CN102761004A

CN102761004A - Grounding module and grounding system for electrical cable

Info

Publication number: CN102761004A
Application number: CN2011103916410A
Authority: CN
Inventors: 鲁斌; 崔一峰
Original assignee: 3M Innovative Properties Co
Current assignee: 3M China Ltd
Priority date: 2011-04-26
Filing date: 2011-11-23
Publication date: 2012-10-31
Also published as: CN202474331U; WO2012148566A1

Abstract

A grounding module for an electrical cable comprises a base part, a sharp bulge, a connecting component and a conducting component, wherein the base part comprises a passage for accommodating the electrical cable; the sharp bulge is arranged inside the passage and is used for puncturing a shell of the electrical cable inside the passage; the connecting component is used for connecting the grounding module to a rack; the conducting component is used for connecting the sharp bulge to the connecting component so as to electrically couple the sharp bulge to the rack; and the grounding module further comprises a tightening component which is used for fixing the electrical cable inside the passage of the base part.

Description

The earthing module and the grounding system that is used for cable that are used for cable

Technical field

Earthing module that relate generally to of the present invention is used for cable and the grounding system that is used for cable more specifically, relate to and make cable can be installed on the shelf and the earthing module and the grounding system that are grounded.

Background technology

Cable, for example, coaxial cable is widely used in the signal transmission in communication system.For example, coaxial cable (also being feeder cable) is often used in transmission base band between base station transceiver and the antenna.Coaxial cable between base station transceiver and antenna need be along a shelf, and for example support is installed, and ground connection is good, is beneficial to good signal transmission performance and electrical property.

For realize coaxial cable on support installation and the abundant ground connection of coaxial cable is provided, in traditional scheme, need independent cable clip and grounding apparatus.Cable clip is used to hold coaxial cable and this coaxial cable is rack-mount, and grounding apparatus is used for through independent earth connection coaxial cable ground connection.For with coaxial cable ground connection, at first, through instrument, for example wire stripper is removed the part of the shell of coaxial cable, to expose ground plane; Then, the conductor that earth connection is perhaps had earth connection is connected to this ground plane, so that ground plane is through this ground connection; At last, through the junction of this earth connection of seal member sealing and this ground plane, so that environmental protection to be provided.The sealing parts can be for example stuffing box or band.

In traditional scheme, cable clip and grounding apparatus are the independent modules of two covers, are respectively applied for the function that realizes installation and ground connection, and this has caused expensive and waste of time.

In addition, the earth connection that comprises in the grounding apparatus is often stolen because the value of its constituent material copper is high.In case earth connection is stolen after being cut off, the function of the ground connection of cable can't realize again, thereby influence the signal transmission performance and the electrical property of coaxial cable.

Consider above problem, need improve above-mentioned traditional ground connection and cable connectivity scenario.

Summary of the invention

On the one hand, one embodiment of the present of invention provide a kind of earthing module that is used for cable.This earthing module comprises: base portion, and it comprises passage, is used to hold cable; Be arranged on the sharp projection in this passage, be used for puncturing the shell of this cable that is positioned at this passage; Link is used to make this earthing module to be connected to a shelf; And conductive component, be used for this sharp projection is connected to this link, so that this sharp projection is electrically coupled to this shelf.This earthing module also comprises secure component, is used for this cable is fixed in this passage of this base portion.

On the other hand, one embodiment of the present of invention provide a kind of grounding system that is used for cable, and this system comprises a plurality of stackable earthing modules and screw rod is installed.Each earthing module comprises: base portion, and it comprises passage, is used to hold cable; Be arranged in the sharp projection of this passage, be used for puncturing the shell of this cable that is positioned at this passage; Pass the hole of this base portion, this hole is vertical basically with this passage, is used for this installation screw rod and passes; Conductive component is used for this sharp projection is electrically connected to this installation screw rod; Each earthing module also comprises secure component, is used for this cable is fixed in this passage of this base portion.This installation screw rod is used for should being connected to a shelf by a plurality of stackable earthing modules through the hole of passing these a plurality of stackable earthing modules, thereby makes that these a plurality of earthing modules are provided with adjacent to each other.

The summary of the invention of the invention described above is not intended to describe each disclosed embodiment of the present invention or each implementation.Below detailed description and drawings more specifically example exemplary embodiment of the present invention.

Description of drawings

Can understand embodiments of the invention better with reference to following accompanying drawing.Parts in the accompanying drawing may not be drawn each other in proportion.

Fig. 1 show the earthing module that is used for optical cable according to an aspect of the present invention an example embodiment wait axonometric drawing;

Fig. 2 a show the base portion in the earthing module of Fig. 1 an example embodiment wait axonometric drawing;

Fig. 2 b shows the left view of the base portion among Fig. 2 a;

Fig. 3 a show the sharp projection in the earthing module of Fig. 1 an example embodiment wait axonometric drawing;

Fig. 3 b shows the front view of the sharp projection among Fig. 3 a;

Fig. 4 show sharp projection and conductive component in the earthing module of Fig. 1 combination an example embodiment etc. axonometric drawing;

Fig. 5 show the base portion in the earthing module of Fig. 1 another example embodiment wait axonometric drawing, this base portion has two positioning elements that are arranged at two ends;

Fig. 6 show the base portion in the earthing module of Fig. 1 another example embodiment wait axonometric drawing, this base portion has two positioning elements that are arranged at two ends;

Fig. 7 show the earthing module that is used for cable according to an aspect of the present invention another example embodiment wait axonometric drawing;

Fig. 8 show the base portion in the earthing module of Fig. 7 an example embodiment wait axonometric drawing;

Fig. 9 show the secure component in the earthing module of Fig. 7 an example embodiment wait axonometric drawing;

Figure 10 show the earthing module that is used for cable according to an aspect of the present invention another example embodiment wait axonometric drawing;

Figure 11 show the base portion in the earthing module of Figure 10 an example embodiment wait axonometric drawing;

Figure 12 show the secure component in the earthing module of Figure 10 an example embodiment wait axonometric drawing;

Figure 13 show conductive component and sharp projection in the earthing module of Figure 10 combination an example embodiment etc. axonometric drawing;

Figure 14 show the earthing module that is used for cable according to an aspect of the present invention another example embodiment wait axonometric drawing;

Figure 15 show the grounding system that is used for cable according to another aspect of the present invention an example embodiment wait axonometric drawing;

Figure 16 show the cable that is held by the earthing module of example of the present invention an example embodiment wait axonometric drawing.

In each above-mentioned accompanying drawing, similar Reference numeral should be understood that to represent identical, similar or corresponding feature or function.

Embodiment

In the specific descriptions of following preferred embodiment, will be with reference to the appended accompanying drawing that constitutes the present invention's part.The mode of appended accompanying drawing through example shows and can realize certain embodiments of the present invention.The embodiment of example is not intended to limit according to all embodiment of the present invention.Be appreciated that and under the prerequisite that does not depart from scope of the present invention, can utilize other embodiment, also can carry out the modification of structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and scope of the present invention is limited appended claim.

In following specific descriptions, with reference to appended accompanying drawing.Accompanying drawing has constituted a part of the present invention, in the accompanying drawings the mode through example show can embodiment of the present invention certain embodiments.In this regard, the term of directivity, for example " left side ", " right side " " top ", " bottom ", " preceding ", " back ", " guiding ", " forward ", " delaying " etc. are used with reference to the direction of describing in the accompanying drawing.Therefore the parts of embodiments of the invention can be placed in multiple different direction, and the term of directivity is to be used for the purpose of example and nonrestrictive.Be appreciated that and under the prerequisite that does not depart from scope of the present invention, can utilize other embodiment, also can carry out structural or the logicality modification.Therefore, following specific descriptions are also nonrestrictive, and scope of the present invention is limited appended claim.

Below, for the clearness purpose, example goes out each side of the present invention to use coaxial cable to describe also.Yet, should only be exemplary for example, be appreciated that and recognize the cable that can adopt other types, include but not limited to that biaxial cable, power cable and other have the cable configurations of signal and grounded parts.

In addition, be merely illustrative purpose, being installed on the support of ground connection with earthing module is example is described the each side of earthing module of the present invention.In aspect an example, support can be the part of radio communication tower.In aspect another is interchangeable, the fixed mount or the little installing rack that can connect one or more earthing modules can be connected on the support of ground connection.Be appreciated that except support the shelf of each side of the present invention can be any other ground connection object.

Fig. 1 shows the exemplary embodiment of the earthing module that is used for cable, and the sketch map of cable is shown in figure 16.Fig. 2 a and Fig. 2 b show the exemplary embodiment of middle base portion of the earthing module of Fig. 1.

With reference to Figure 16, cable 80 is coaxial cables, and it comprises inner wire 81, around the dielectric 82 of inner wire 81, is positioned at outer conductor 83 on the insulating barrier 82 (below be called ground plane), and is positioned at the shell 84 on the outer conductor 83.In order to realize the ground connection of cable 80, the shell 84 of at first removing cable 80 to be to expose ground plane 83, then with ground plane 83 ground connection of cable 80.

With reference to figure 1,2a and 2b, earthing module 10 comprises base portion 12, it can be formed through similar approach such as injection mo(u)lding, extrusion process, casting, cut by polymeric material or metal material.Advantageously, base portion 12 can be molded plastic parts.

Base portion 12 comprises passage 122, is used to hold cable 80.Passage 122 can be the Any shape that is suitable for holding cable 80.But when cable 80 when being cylindrical, columniform passage 122 as shown in Figure 2 is more expected.In order to hold cable 80 well, advantageously, the size of the radius of cylindrical channel 122 radius with cable 80 substantially is identical.

Base portion 12 also comprises the sharp projection 124 that is arranged in passage 122.Sharp projection 124 is configured to when cable 80 is mounted and fixed in the passage 122 of base 12, puncture the shell 84 of cable 80.Puncture the shell 84 of cable 80 when sharp projection 124 after, it forms with the ground plane 83 of cable 80 and is electrically connected.In order to reach the function that punctures and conduct electricity, sharp projection 124 can be processed by the metal material with higher hardness usually, for example stainless steel, copper or iron.

Sharp projection 124 can be, for example, and the blade at a pair of interval shown in Fig. 3 a.Advantageously, this can be arranged in the passage 122 with respect to the longitudinal axis of passage 122 blade 124 at interval basically symmetrically.

In order to save material and to reduce the pressure to ground plane 83, this can be forked in the blade 124 at interval each, shown in Fig. 3 a.

In order to ensure this at interval blade 124 is not damaged ground plane 83 in the shell that punctures cable 80 84, shown in Fig. 3 b, this is to can be set to greater than the radius of cable 80 and less than the diameter of cable 80 apart from d between the blade 124 at interval.In addition, this can be with respect to an outward-dipping a little inclination alpha of the plane of reference in the blade 124 at interval each, and wherein, this plane of reference comprises the longitudinal axis of passage 122, and with the bottom vertical of passage 122.Inclination alpha can be in 0 ° to 5 ° scope.Advantageously, inclination alpha is approximately 0.5 °.

When cable 80 is installed in the passage 122, and under the effect of external force, little by little be pushed in the passage 122 this to blade 124 at interval, this begins to thrust the shell 84 of cable 80 to blade 124 at interval.Because this has towards the inclination angle of the sidewall of passage 122 in the blade 124 at interval each, therefore after this punctured the shell 84 of cable 80 to blade 124 at interval, this was to the sidewall strain of blade 124 at interval towards passage 122.The deflection of blade guarantees that the ground plane 83 of cable 80 is not pierced, and helps between this ground plane 83 to blade 124 at interval and cable 80, to obtain stable electrical connection.

In order to ensure the good earth of cable 80, this size at interval blade 124 can be designed to, and when cable 80 is mounted and fixed in the passage 122 of base 12, makes it possible to form good electrical contact with the ground plane 83 of cable 80.

Be appreciated that this only is the example of an example of sharp projection 124 to blade at interval.The structure of any suitable sharp projection all is possible, the tooth of pin or annular for example, and it will be described in following embodiment in more detail.

Base portion 12 also comprises link 126, is used to make earthing module 10 to be connected to the support (not shown).Link 126 can adopt any suitable structure, but generally includes the hole of passing base portion 12 128 shown in Fig. 2 b, is used for allowing to install screw rod 130 and passes.Hole 128 can be set at any horizontal position away from passage 122 on this base 12, yet hole 128 is configured to be basically perpendicular to passage 122 and more expects.

Base portion 12 also comprises conductive component 18 (not shown among Fig. 1, Fig. 2 a-2b).Conductive component 18 is configured to sharp projection 124 is linked to each other with link 126, so that sharp projection 124 is electrically coupled to support.

Conductive component 18 can be any suitable shape.For example; Conductive component 18 can be

shape; It comprises two sidewalls that are substantially parallel to each other; With a base that is connected these two sidewalls, as shown in Figure 4.

This can also be configured to one one body component 19 to blade at interval 124 and conductive component 18, and is as shown in Figure 4.This body component 19 can be one-body molded through traditional injection molding technology and base portion 12, and wherein, conductive component 18 is buried in the base 12, and this stretches out at interval blade 124 passage 122 from base 12, shown in Fig. 2 a.Alternately, base portion 12 can comprise two slits that pass the bottom of link 126 and passage 122 respectively, to be used to insert a body component 19.In this case, in the slit that can insert separately, thereby a body component 19 is assembled in the base 12 through blade 124 with a pair of interval.

In screw rod 130 patchholes 128 are installed or when base 12 is installed on the installation screw rod, conductive component 18 electrically contacts with installation screw rod 130, thereby make this be electrically coupled to blade 124 at interval screw rod 130 is installed.Particularly; For example; Can be provided with two through

hole

139A and 139B on two sidewalls of

shape conductive component 18; Both are in alignment with each other, and are as shown in Figure 4.Conductive component 18 is formed in the base portion 12, so that two through

hole

139A and 139B align with the hole 128 in the link 126, shown in Fig. 2 b, is used for allowing to install screw rod 130 and passes.Groove 136 wound holes 128 are formed on the link 126, to expose the part of conductive component 18, are used to hold the matched and fixed part, for example, and nut, thread spacer or packing ring.When base portion 12 is installed in 130 last times of screw rod are installed, the matched and fixed part is screwed to groove 136 directions and is installed on the screw rod 130 so that base portion 12 is fixed on.In addition, because matched and fixed part and conductive component 18 electrically contact, so this is electrically coupled to installation screw rod 130 to blade 124 at interval through the matched and fixed part.

Screw rod 130 being installed being used for through passing hole 128, with base portion 12, also is earthing module 10, is connected to support, so that this is electrically coupled to support to blade 124 at interval, the ground plane 83 with cable 80 is electrically coupled to support thus.In aspect an example, support can be the part of radio communication tower.Under this situation, for example, the end that screw rod 130 is installed can comprise through nut 134 or other threaded fasteners U-shaped fixed mount 132 fixed thereon, and is as shown in Figure 1.U-shaped fixed mount 132 is configured to be fixed on the support.

One interchangeable aspect in, fixed mount or the little installing rack that can connect earthing module 10 can be connected on the support.Fixed mount or little installing rack can for example comprise that a hole is to hold installation screw rod 130.In the hole that screw rod 130 inserts on fixed mounts or the little installing rack is installed, and subsequently by nut or other threaded fasteners fixedly the time, earthing module 10 is installed on the support.

Be appreciated that hole 128 only is the example of an example of link 126, any suitable form of link all is possible, for example, and clip.

Still with reference to Fig. 1, earthing module 10 also comprises secure component 14, is used for cable 80 is fixed on the passage 122 of base portion 12.Secure component 14 can be a pair of strip-shaped members, for example, a pair of larynx hoop, perhaps lid, with describing in detail among the embodiment hereinafter, perhaps any other suitable mechanical device.

As shown in Figure 1, secure component 14 is a pair of larynx hoop 142A and 142B.When cable 80 was installed in the passage 122 of base portion 12, this was set to respectively be looped around on the two ends and cable 80 of base portion 12 to

larynx hoop

142A and 142B, is used for cable 80 is fixed in the passage 122 of base portion 12.Correspondingly; Base portion 12 also can comprise a pair of outer surface around base portion 12, at the groove 121A and the 121B of the either side of sharp projection 124; Shown in Fig. 2 a and 2b; Being used to holding this to larynx

hoop

142A and 142B, and for this between

larynx hoop

142A and 142B and the cable 80 stable contact being provided.

When this is looped around the two ends of base portion 12 and cable 80 respectively to

larynx hoop

142A and 142B, tighten up the blade 124 that this masterpiece that is produced after to

larynx hoop

142A and 142B is used on the cable 80 cable is pushed to a pair of interval of passage 122.By this way, the blade 124 that the shell 84 of cable 80 is set at a pair of interval in the passage 122 punctures, and this electrically contacts the ground plane 83 of blade at interval 124 with cable 80 thus.

Quantity that it should be noted that the larynx hoop is not restricted to two, can adopt a larynx hoop perhaps more than two larynx hoops.

Be to be further noted that the quantity that is formed on the groove in the base portion 12 is corresponding with the quantity of larynx hoop that is used for cable 80 is fixed on base portion 12.

Still with reference to Fig. 2 a, base portion 12 can also comprise the groove 123 around the blade 124 that is formed at a pair of interval.Groove 123 is filled with encapsulant, to be used for when cable 80 is mounted and fixed on passage 122, for the around openings that is punctured by the blade 124 at a pair of interval on the shell 84 provides sealing.Thisly can reduce environment effectively in parameatal sealing, for example rainwater or moisture are to the influence of the ground connection of cable 80.Encapsulant can be a grease, sealant, hydrophobic elastomeric colloid, the packing ring of clay or soft.

It should be noted that and when making earthing module 10, encapsulant to be filled in the groove 123, when perhaps at the scene cable 80 being installed, encapsulant is filled in the groove 123.

When cable 80 is mounted and fixed in the passage 122, after being extruded, the encapsulant in groove 123 possibly from groove 123, overflow.In this case, base portion 12 may further include the holding tank 129 that is arranged on passage 122 bottoms, is used to hold unnecessary encapsulant.

Alternately, the bottom of groove 123 can be provided with at least one opening that passes base portion 12, makes when cable 80 is mounted and is fixed in the passage 122, and unnecessary encapsulant can be discharged through this at least one opening.

Alternately, after cable 80 was mounted and is fixed in the passage 122, this at least one opening can be used to encapsulant is injected blade 124 groove 123 on every side that is positioned at a pair of interval.

Still with reference to figure 1, earthing module 10 can also comprise two the positioning element 16A and the 16B that are removably mounted on the two ends of base portion 12, and this

positioning element

16A and 16B are used for cable 80 is fixed on the center of the passage 122 of base portion 12.

Positioning element

16A and 16B can for example comprise V-shaped groove 162 and installing component 164, and be as shown in Figure 5.V-shaped groove 162 is configured to when cable 80 is held by passage 122; Cable is remained on correct position; Also be the center of passage 122, and fixing preferably by a pair of

larynx hoop

142A and 142B, thus make the blade 124 at a pair of interval can thrust the shell 84 of cable 80 symmetrically.

Installing component 164 is configured to

positioning element

16A or 16B are installed on the base part 12, and it can comprise, for example a pair of dovetail groove 166A and 166B.Correspondingly; Each end of base portion 12 can comprise a pair of

dovetail slide rail

125A and 125B; When positioning

element

16A or 16B are connected to 12 last times of base portion of earthing module 10, this

dovetail slide rail

125A and 125B match with a pair of

dovetail groove

166A and 166B respectively.Before cable 80 was installed, a pair of

dovetail groove

166A and 166B slipped among a pair of dovetail slide rail 125A and the 125B, and after cable 80 had been installed, this skidded off

dovetail slide rail

125A and 125B from this

dovetail groove

166A and 166B, to reuse.

Alternately, as shown in Figure 6, installing component 164 can comprise hinge 167, and positioning element 16A ' or 16B ' are installed on the base portion 12 through hinge 167.

Base portion 12 also can comprise height indicative section part 127, and is for example at the ledge of

dovetail slide rail

125A or 125B spine, as shown in Figure 5, to be used to indicate the correct installation height of positioning element 16A or 16B.For example, when the top of

dovetail groove

166A and 166B was concordant with ledge,

positioning element

16A or 16B can be considered to be installed in correct height.

The quantity that should be appreciated that positioning element is not limited to two, and a positioning element also is suitable for.

More than the 26S Proteasome Structure and Function of earthing module 10 each several parts has been carried out detailed description, below, with further describing through earthing module 10 method that cable 80 is rack-mount.

At first, rack-mount through the U-shaped fixed mount that will install on the screw rod 130, screw rod 130 will be installed be fixed on the support.

Secondly, insert in the hole 128 of link 126, base portion 12 is assemblied in installs on the screw rod 130 through screw rod 130 will be installed.The base portion 12 of earthing module 10 is fixed on the installation screw rod 130 through the matched and fixed part that is contained in the groove 136.

Then; Through dovetail groove 166A on engagement positioning element 16A and the 16B and dovetail slide rail 125A and the 125B on 166B and the base portion 12; Passage 122 in the base portion 12 of V-shaped groove 162 and earthing module 10 is alignd; Thereby two

positioning element

16A and 16B are installed in the two ends of base portion 12, as shown in Figure 5.Through two

positioning element

16A and 16B, cable 80 can be fixed on the center of the passage 122 of base portion 12.

Then, through tightening up a pair of

larynx hoop

142A and 142B, cable 80 is fixed in the passage 122 of base portion 12 in base portion 12 both sides.When this is tightened up

larynx hoop

142A and 142B; Cable 80 is pushed to the blade 124 at a pair of interval in the passage 122; Thereby make this puncture the shell 84 of cable 80 to blade 124 at interval; And contact, thereby allow the ground plane 83 and the blade 124 at a pair of interval of earthing module 10 to electrically contact with the ground plane 83 of cable 80.

At last, two

positioning element

16A and 16B can be removed from base portion 12.

Through above-mentioned step, cable 80 is installed on the support through earthing module 10.Further, when cable 80 was mounted and fixed in the passage 122 of base portion 12, the shell 84 of cable 80 was punctured by sharp projection 124, and the ground plane 83 of cable 80 is electrically coupled to support thus.Because support ground connection, thereby the ground connection of having realized cable 80.

It should be noted that because of two

positioning element

16A and 16B be optional parts, therefore install and remove the step of two

positioning element

16A and 16B and can omit.

Further it should be noted that and also can after other steps are all accomplished, carry out again the step that screw rod 130 is fixed on the support is installed.

Fig. 7 shows the embodiment of another example of the earthing module that is used for cable.Fig. 8 shows the embodiment of an example of the base portion in the earthing module of Fig. 7.Fig. 9 shows the embodiment of an example of the secure component in the earthing module of Fig. 7.

To Fig. 9, in the embodiment of this example, earthing module 20 comprises base portion 22 and secure component 24 with reference to figure 7.Base portion 22 comprises first passage 222, sharp projection 224, conductive component (not shown), link 226 and groove 223.

The 26S Proteasome Structure and Function of first passage 222, sharp projection 224, conductive component 28, link 226 and groove 223 and the passage among Fig. 1 to Fig. 6 122, sharp projection 124, conductive component 18; Link 126 is identical with the 26S Proteasome Structure and Function of groove 123; For brevity, do not repeat them here.

Earthing module 20 is secure component 24 with the main difference part of earthing module 10.In the embodiment of this example, secure component 24 can comprise lid 242, and is as shown in Figure 9.Lid 242 comprises second channel 244, is used to hold cable 80, and this lid 242 is installed on the base portion 22 with cable 80 then.Lid 242 can be formed through similar approach such as injection mo(u)lding, extrusion process, casting, cut by polymeric material or metal material.Advantageously, lid 242 can be molded plastic parts.

Lid 242 can further comprise two

male part

246A and 246B, and is as shown in Figure 9.Correspondingly; Base portion 22 can further comprise two

female part

248A and 248B; As shown in Figure 8; When lid 242 is installed in 22 last times of base portion, male part 246A on female part 248A on the

base portion

22 and 248B and the

lid

242 and 246B interlock, thus make cable 80 be fixed in the first passage 222.

Lid 242 also can comprise two the positioning element 243A and the 243B of each side of being arranged on lid 242, and it for example can comprise, V-shaped groove.Two

positioning element

243A and 243B are configured to when cable 80 is held by second channel 244, cable 80 is fixed on the center of second channel 244.

Be appreciated that

positioning element

243A and 243B can also be set at each side of base portion 22.By this way, cable 80 at first is installed in the first passage 222 of base portion 22, and lid 242 is installed on the base portion 22 then, so that cable 80 is fixed in the first passage 222 of base portion 22.

Still with reference to Fig. 7, secure component 24 can also comprise fixed part 241, is configured to be installed in 22 last times of base portion when lid 242, and lid 242 and base portion 22 are fixed together.Fixed part 241 for example can be, two larynx hoops, and it tightens up lid 242 to base portion 22, thereby cable 80 is pushed on the sharp projection 224 in the first passage 222.Sharp projection 224 punctures the shell 84 of cable 80, and electrically contacts with ground plane 83 in the cable 80.

More than the 26S Proteasome Structure and Function of the each several part of earthing module 20 has been carried out detailed description, below will be to cable 80 rack-mount methods being described further through earthing module 20.

At first, rack-mount through the U-shaped fixed mount 232 that will install on the screw rod 230, screw rod 230 will be installed be fixed on the support.

Secondly, insert in the hole of link 226, base portion 22 is assemblied in installs on the screw rod 230 through screw rod 230 will be installed.The base portion 22 of earthing module 20 is fixed on through the matched and fixed part and installs on the screw rod 230.

Then, the positioning element 243A and the 243B of each side through being separately positioned on lid 242 are mounted and fixed on cable 80 at the center of the second channel 244 of lid 242.

Then, the mutual interlock through two female part 248A on two male part 246A on the

lid

242 and 246B and the

base portion

22 and 248B is installed in lid 242 and cable 80 on the base portion 22 together.

At last, through fixed part 241, cable 80 is fixed in the first passage 222 of base portion 22.Through tightening up to fixed part 241; Cable 80 is pushed to the sharp projection 224 in the first passage 222; Thereby make sharp projection 224 puncture the shell 84 of cable 80, and contact, thereby the sharp projection 224 that is grounded layer 83 and earthing module 20 electrically contacts with the ground plane 83 of cable 80.

Through above-mentioned step, cable 80 is installed on the support through earthing module 20.Further, when cable 80 was mounted and fixed in the first passage 222 of base portion 22, the shell 84 of cable 80 was punctured by sharp projection 224, and the ground plane 83 of cable 80 is electrically coupled to support thus.Because support ground connection, thereby the ground connection of having realized cable 80.

It should be noted that the step that screw rod 230 is fixed on the support will be installed can be after other steps are all accomplished to be carried out again.

Figure 10 shows the embodiment of another example of the earthing module that is used for cable.Figure 11 shows the embodiment of an example of the base portion in the earthing module of Figure 10.Figure 12 shows the embodiment of an example of the secure component in the earthing module of Figure 10.

With reference to figures 10 to Figure 12, earthing module 30 comprises base portion 32, and it can be formed through similar approach such as injection mo(u)lding, extrusion process, casting, cut by polymeric material or metal material.Advantageously, base portion 32 can be molded plastic parts.

Base portion 32 comprises first passage 322, is used to hold cable 80.In the embodiment of this example, first passage 322 can be cylindrical channel, and is shown in figure 11.

Base portion 32 also comprises the sharp projection 324 that is arranged in the first passage 322.In the embodiment of this example, sharp projection 324 can be annular tooth, and is shown in figure 11.Annular tooth 324 is configured to when cable 80 is mounted and fixed in the first passage 322 of base 32, puncture the shell 84 of cable 80.Puncture the shell 84 of cable 80 when annular tooth 324 after, annular tooth 324 electrically contacts with ground plane 83 formation of cable 80.In order to reach the function that punctures and conduct electricity, annular tooth 324 can be processed by the metal material with higher hardness usually, for example stainless steel, copper or iron.

Base portion 32 also comprises link 326, is used to make earthing module 30 to be connected to the support (not shown).In the embodiment of this example, link 326 can comprise the hole 328 of passing base portion 32, is used for allowing to install screw rod 330 and passes.

Base portion 32 also comprises conductive component 38, is used for annular tooth 324 is connected to link 326, so that annular tooth 324 is electrically coupled to support.In the embodiment of this example, conductive component 38 is banded, and the one of which end links to each other with annular tooth 324, and the other end links to each other with link 326, shown in the dotted line among Figure 11.

When screw rod 330 being installed being inserted in the hole 328 of link 326, or base portion 32 is installed in 330 last times of screw rod is installed, and annular tooth 324 is electrically coupled to through conductive strips 38 screw rod 330 is installed.Particularly, conductive component 38 can for example comprise a hole 371, and is shown in figure 13.Conductive component 38 is formed in the base portion 32, and is shown in figure 11 so that hole 371 aligns with hole 328, is used for allowing to install screw rod 330 and passes.Install on the screw rod 330 when base portion 32 is installed in to install to be fixed on through nut or other threaded fasteners then on the screw rod 330, annular tooth 324 is electrically coupled to installs screw rod 330.

Annular tooth 324 can be configured to a body component 39 with conductive component 38, and is shown in figure 13.This body component 39 can be one-body molded in base portion 32 through traditional injection molding technology, and wherein, conductive component 38 is buried in the base 32, and annular tooth 324 is stretched out from first passage 322.Alternately, can after base portion 32 is by independent injection moulding, a body component 39 be assembled in the base portion 32 of earthing module 30.

Screw rod 330 is installed is used for through passing hole 328, with base portion 32, also promptly, earthing module 30 is connected to support, so that annular tooth 324 is electrically coupled to support, the conductive layer 83 of cable 80 is electrically coupled to support thus.Still with reference to Figure 10, for example, the end that screw rod is installed can comprise through nut 334 or other threaded fasteners U-shaped fixed mount 332 fixed thereon.U-shaped fixed mount 332 is configured to be fixed on the support.

Still with reference to Figure 10, earthing module 30 also comprises the secure component 34 that is used for cable 80 is fixed on the first passage 322 of base portion 32.In the embodiment of this example, secure component 34 can comprise lid 342, and is shown in figure 12, and it can be by forming with base portion 32 identical materials.Lid 342 can comprise the hole of passing wherein 344, is used for allowing to install screw rod 330 and is inserted into lid 342, also comprises second channel 346, is used to hold cable 80.After cable 80 is installed in the first passage 322 of base portion 32; Through will being installed, screw rod 330 is passed in the hole 344 in the lid 342; Lid 342 is installed on the base portion 32, makes second channel 346 in the lid 342 towards the first passage 322 of base portion 32, then; Lid 342 is fixed on through nut or other threaded fasteners to be installed on the screw rod 330, makes cable 80 be fixed in first passage 322 and the second channel 346.

Secure component 34 can further comprise push mechanism 341, is used for being installed in 32 last times of base portion when lid 342, pushes cable 80 in the first passage 322 annular tooth 324, and is shown in figure 12.Push mechanism 341 can comprise promotion packing ring 358 and have externally threaded promotion bolt 359.Correspondingly, lid 342 can further comprise the through hole 354 of the bottom of passing second channel 346, and through hole 354 has internal thread.After promoting bolt 359 and passing through hole 354 and be mounted, promote packing ring 358 and be fixed on the afterbody that promotes bolt 359.

When lid 342 is installed in 32 last times of base portion; Bolt head through promoting bolt 359 is rotated down; Be positioned at the hairclipper packing ring 358 that promotes bolt 359 afterbodys and move to cable 80 directions, thereby to cable 80 application of forces, so that cable 80 is pushed in the first passage 322 of base portion 32.

Alternately, secure component 34 can further comprise fixed part 343, and is shown in figure 14.Fixed part 343 can comprise having externally threaded screw rod 349 on it.Correspondingly, base portion 32 can comprise the projection of stretching out from the lateral wall of first passage 322, has through hole 329 on this projection, and similarly, lid 342 can comprise the projection of stretching out from the lateral wall of second channel 346, has through hole 352 on this projection.Through hole 329 has internal thread with through hole 352, be used for screw rod 349 on external screw thread screw.Pass at lid 342 and screw rod 330 to be installed and to be installed in 32 last times of base portion; Screw rod 349 is threaded in through hole 329 and the through hole 352; The screw-internal thread fit of its external screw thread and through hole 329 and through hole 352 makes lid 342 and base portion 32 be fixed together tightly.Lid 342 is closely together with base portion 32, thereby cable 80 is pushed on the annular tooth 324 in the first passage 322.Annular tooth 324 punctures the shell 84 of cable 80, and electrically contacts with ground plane 83 in the cable 80.

Still with reference to Figure 11, base portion 32 can further comprise the groove 323 that is formed on around the annular tooth 324.Groove 323 is filled with encapsulant, is used for when cable 80 is mounted and fixed on passage 322, for the around openings that is punctured by annular tooth 324 on the shell 84 provides sealing.Thisly can reduce environment effectively in parameatal sealing, for example rainwater or moisture are to the influence of the ground connection of cable 80.

Be appreciated that earthing module 30 can further comprise positioning element, is used for cable 80 is fixed on the center of the first passage 322 of base portion 32.For concise and to the point purpose, do not repeat them here.

More than the 26S Proteasome Structure and Function of earthing module 30 each several parts has been carried out detailed description, below, with further describing through earthing module 30 method that cable 80 is rack-mount.

At first, rack-mount through the U-shaped fixed mount 332 that will install on the screw rod 330, screw rod 330 will be installed be fixed on the support.

Secondly, insert in the hole 328 of link 326, base portion 32 is assemblied in installs on the screw rod 30 through screw rod 330 will be installed.The base portion 32 of earthing module 30 is fixed on through nut or other threaded fasteners and installs on the screw rod 330.

Then, cable 80 is fit in the first passage 322 of pedestal 32.

Then, through the hole 344 that screw rod 330 inserts on the lid 342 will be installed, lid 342 is installed on the pedestal 32.Lid 342 is fixed on through nut or other threaded fasteners to be installed on the screw rod 330.

At last, be screwed down, cable 80 be fixed in the first passage 322 of base portion 32 through bolt head with the promotion bolt 359 of push mechanism 341.Along with the bolt head that promotes bolt 359 is screwed down; Promotion pad 358 promoting bolt 359 afterbodys moves to cable 80 directions; Thereby apply power to cable 80, cable 80 is pushed to the annular tooth 324 in the first passage 322 of base portion 32, of Figure 12.Alternately, through screw rod 349 is screwed in through hole 329 and through hole 352, its external screw thread matches with the internal thread of through hole 329 and through hole 352, thereby cable 80 is fixed in the first passage 322 of base portion 32.Along with screw rod 349 screws in through holes 329 and the through hole 352, lid 342 is held in together with base portion 32, makes bottom 80 be pushed to the annular tooth 324 in the first passage 322 of base portion 32, and is of Figure 12.

Through above-mentioned step, cable 80 is installed on the support through earthing module 30.In addition, through lid 342 and fixed part 341 cable 80 is fixed in the first passage 322 of base portion 32 after, the shell 84 of cable 80 is punctured by sharp projection 324, the ground plane 83 of cable 80 is electrically coupled to support thus.Because support ground connection, thereby the ground connection of having realized cable 80.

It should be noted that further the step that installation screw rod 330 is fixed on the support can execution again after other steps are all accomplished.

Through grounded

parts

10,20 and 30, cable 80 can be installed on the support, and is grounded simultaneously.

According to another aspect of the present invention, a kind of grounding system that is used for cable is provided.Figure 15 show the grounding system that is used for cable an example embodiment wait axonometric drawing.

With reference to Figure 15, grounding system 40 comprises a plurality of stackable earthing modules 42 and construction bolt 44, is used for a plurality of stackable earthing modules 42 are fixed on support.

Each earthing module 42 comprises base portion, like Fig. 2 a, and Fig. 8 or shown in Figure 11, it can be formed through similar approach such as injection mo(u)lding, extrusion process, casting, cut by polymeric material or metal material.

The base portion of each earthing module 42 comprises passage, is used to hold cable, like Fig. 2 a, and Fig. 8 or shown in Figure 11.Passage can be any shape that is fit to hold cable, but when cable when being cylindrical, columniform passage is more favourable.

The base portion of each earthing module 42 also comprises the sharp projection that is arranged in the passage, like Fig. 2 a, and Fig. 8 or shown in Figure 11.This sharp projection is used for when cable is mounted and is fixed on the passage of base portion, puncturing the shell of cable.When the shell of cable was punctured by sharp projection, the ground plane of sharp projection and cable electrically contacted.Sharp projection can be the blade at a pair of interval, shown in Fig. 3 a.Alternately, sharp projection can be annular tooth, and is shown in figure 11.

The base portion of each earthing module 42 also comprises the hole of passing base portion, is used for making that screw rod 44 is installed to be passed, like Fig. 2 b or shown in Figure 11.This hole is vertical basically with passage.

The base portion of each earthing module 42 also comprises conductive component, is used for when screw rod 44 patchholes are installed, and sharp projection is connected to screw rod 44 is installed.Conductive component can be

as shown in Figure 4 shape.Alternately, conductive component also can be a band shape shown in figure 13.

Sharp projection and conductive component can be configured to as Fig. 4 or a body component shown in Figure 13.

Each earthing module 42 also comprises secure component, is used for cable is fixed on the passage of base portion.Secure component can be a pair of larynx hoop, and is as shown in Figure 1.When this is looped around the two ends of base portion 12 and cable 80 respectively to the larynx hoop, be used for pushing cable to the passage sharp projection on the cable thereby tighten up this masterpiece that is produced after to the larynx hoop.

Alternatively, secure component can comprise lid as shown in Figure 7.After cable was installed in the passage of lid, through with two male part on the lid and two female part interlocks on the base portion, lid and cable were fixed on the base portion together, thereby make cable be fixed in the passage of base portion.In addition, secure component can further comprise fixed part as shown in Figure 7, is used for fixing lid and base portion.

Alternately, secure component can comprise lid shown in figure 10.This lid can comprise and be used to allow the through hole that screw rod 44 inserts is installed, and the passage that is used to hold cable.When cable is installed in the passage of base portion, screw rod 44 is installed is passed the hole in the lid through making, lid is installed on the base portion, through nut or other threaded fasteners lid is fixed on then and installs on the screw rod.Further, secure component also can comprise fixed part shown in figure 14, is used for lid and base portion are fixed together.Alternately, secure component can further comprise push mechanism, is used for cable is pushed to the sharp projection of the passage of base portion, and is shown in figure 12.

The base portion of each earthing module 42 can also comprise the groove that is formed at around the sharp projection, like Fig. 2 a, and Fig. 8 and shown in Figure 11.Be filled with encapsulant in the groove, be used for when cable is mounted and fixed on the passage of base portion, for the around openings that is punctured by sharp projection on the shell provides sealing.

Each earthing module 42 also can comprise a pair of positioning element; It is removably mounted on the two ends of base portion; Be used for when cable is held by the passage of base portion; Cable is fixed on the center of passage, thereby makes sharp projection can thrust symmetrically in the shell of cable, like Fig. 5 or shown in Figure 6.Alternately, this can be set at each side of lid to positioning element, and is as shown in Figure 9.

Still with reference to Figure 15, the hole that screw rod 44 is configured to pass respectively the base portion of each earthing module 42 is installed, thereby makes a plurality of stackable earthing modules be provided with adjacent to each other.Screw rod 44 is installed is fixed on the support then, thereby the sharp projection of each earthing module 42 is electrically coupled to support, makes the ground plane of the cable that each earthing module 42 holds be electrically coupled to support thus.

Through grounding system 40, a plurality of cables can be installed on the support and simultaneously and be grounded.

Under the unearthed situation of support that grounding system 40 is connected, grounding system 40 can further comprise earth connection, and the one of which end links to each other with installation screw rod 44.The other end of earth connection is used for ground connection.The ground connection of a plurality of cables that held by a plurality of earthing modules 42 by this way, can only be realized through an earth connection.

Because grounding system 40 only needs the ground connection of an earth connection with a plurality of cables of realizing being held by a plurality of earthing modules 42, thereby saved the cost of earth connection.

The embodiment that is appreciated that foregoing description only is used for describing and unrestricted the present invention, it will be understood by those skilled in the art that to make amendment and be out of shape the present invention, as long as without departing from the spirit and scope of the present invention.Above-mentioned modification and distortion are considered to the scope of the present invention and accompanying claims.Protection scope of the present invention is limited appended claim.In addition, any Reference numeral in the claim should not be understood that limitation of the present invention.Verb " comprises " and element or the step that other beyond the statement in the claim occur do not got rid of in its distortion.Indefinite article " " before element or step is not got rid of and a plurality of such elements or step are occurred.

Claims

1. earthing module that is used for cable, said module comprises:

Base portion, it comprises passage, is used to hold cable; Be arranged on the sharp projection in the said passage, be used for puncturing the shell of the said cable that is positioned at said passage; Link is used to make said earthing module to be connected to a shelf; And conductive component, be used for said sharp projection is connected to said link, so that said sharp projection is electrically coupled to said shelf;

Secure component is used for said cable is fixed in the said passage of said base portion.

2. module according to claim 1; It is characterized in that; Said link comprises the hole of passing said base portion; Be used for allowing to install screw rod and pass, so that said sharp projection is electrically coupled to said installation screw rod, said installation screw rod is used for through passing said hole said earthing module being connected to said shelf.

3. module according to claim 2 is characterized in that, also comprises said installation screw rod, is used for through passing said hole said earthing module being connected to said shelf.

4. module according to claim 1 is characterized in that, also comprises being formed on said sharp projection groove on every side, is used for packing matcrial, and said encapsulant is used for for the around openings that is punctured by said sharp projection on the said shell sealing being provided.

5. module according to claim 4 is characterized in that said encapsulant is a grease, sealant, hydrophobic elastomeric colloid, a kind of in clay and the packing ring.

6. module according to claim 1 is characterized in that, also comprises a pair of positioning element, and the two ends that it is removably mounted on said base portion are used for said cable is fixed on the center of said passage.

7. module according to claim 1; It is characterized in that; Said secure component comprises first strip-shaped members, is set to be looped around said base portion and is arranged on the said cable of said passage, is used for said cable is fixed in the said passage of said base portion.

8. module according to claim 7 is characterized in that said base portion also comprises the groove around the outer surface of said base portion, is used to hold said first strip-shaped members.

9. module according to claim 1 is characterized in that, said secure component comprises and is used to be installed in the lid on the said base portion.

10. module according to claim 9 is characterized in that said secure component also comprises fixed part, is used for fixing said lid and said base portion.

11. module according to claim 9 is characterized in that, said secure component also comprises push mechanism, is used for said cable is pushed to the said sharp projection of said passage.

12. module according to claim 1 is characterized in that, said sharp projection comprises the blade at a pair of interval, and its axle with respect to said passage is arranged in the said passage basically symmetrically.

13. module according to claim 12 is characterized in that, each blade is outward-dipping a little with respect to a plane of reference, the said plane of reference comprise said passage said axle and with the bottom vertical of said passage.

14. a grounding system that is used for cable, said system comprise a plurality of stackable earthing modules and installation screw rod,

Each earthing module comprises:

Base portion, it comprises passage, is used to hold cable; Be arranged in the sharp projection of said passage, be used for puncturing the shell of the said cable that is positioned at said passage; Pass the hole of said base portion, said hole is vertical basically with said passage, is used for said installation screw rod and passes; Conductive component is used for said sharp projection is electrically connected to said installation screw rod;

Secure component is used for said cable is fixed in the said passage of said base portion;

Said installation screw rod is used for through the hole of passing said a plurality of stackable earthing modules said a plurality of stackable earthing modules being connected to a shelf, thereby makes said a plurality of earthing module be provided with adjacent to each other.

15. system according to claim 14; It is characterized in that; Each earthing module also comprises the groove that is formed on around the said sharp projection, is used for packing matcrial, and said encapsulant is used for for the around openings that is punctured by said sharp projection on the said shell sealing being provided.

16. system according to claim 14 is characterized in that, each earthing module also comprises a pair of positioning element, and the two ends that it is removably mounted on said base portion are used for said cable is fixed on the center of said passage.

17. system according to claim 14; It is characterized in that; Said secure component comprises a pair of strip-shaped members, is set to be looped around said base portion and is arranged on the said cable of said passage, is used for said cable is fixed in the said passage of said base portion.

18. system according to claim 14 is characterized in that, said secure component comprises and is used to be installed in the lid on the said base portion.

19. system according to claim 18 is characterized in that, said secure component also comprises fixed part, is used for fixing said lid and said base portion.

20. system according to claim 18 is characterized in that, said secure component also comprises push mechanism, is used for said cable is pushed to the said sharp projection of said passage.

21. system according to claim 14 is characterized in that, said sharp projection comprises the blade at a pair of interval, basic symmetrical being arranged in the said passage of its axle with respect to said passage.

22. system according to claim 14 is characterized in that, also comprises earth connection, the one of which end links to each other with said installation screw rod.