CN105702488A - Internal feedback apparatus for control and protection switching device - Google Patents
Internal feedback apparatus for control and protection switching device Download PDFInfo
- Publication number
- CN105702488A CN105702488A CN201610190552.2A CN201610190552A CN105702488A CN 105702488 A CN105702488 A CN 105702488A CN 201610190552 A CN201610190552 A CN 201610190552A CN 105702488 A CN105702488 A CN 105702488A
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- China
- Prior art keywords
- contact
- internal feedback
- supporter
- feedback device
- contacts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
Abstract
The invention provides an internal feedback apparatus for a control and protection switching device. The internal feedback apparatus comprises a bracket, a contact support part, static contact bracket groups and a shell, wherein the contact supporting part is mounted in the bracket; the contact supporting part is equipped with moving contacts; the static contact bracket groups are equipped with static contacts; the moving contacts and the static contacts form a contact group; the bracket, the contact supporting part and the static contact bracket groups are accommodated in the shell; the contact supporting part is provided with a switching mechanism; the switching mechanism extends out of the shell; and the switching mechanism drives the contact supporting part to move so as to change the state of the contact group. The internal feedback apparatus adopts direct connection type feedback, which is different from the conventional lever structure; the internal feedback apparatus is mounted in the switching device, so that small volume, convenient wiring and less transmission links are realized; and meanwhile, the internal feedback apparatus is directly connected with an executing mechanism, so that the reliability of signal transmission is improved.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly, it relates to the feedback device of device for switching。
Background technology
Control and protective switching device is a kind of staple product of Low Voltage Electrical Apparatus; this product is integrated with control and the defencive function of device for switching; the such as combination of chopper, catalyst and thermorelay, it is possible to be all-in-one-piece device for switching, it is also possible to be made up of discrete device。All-in-one-piece this kind of device for switching has the advantage that volume is little, function is strong。
Generally such switching device is with auxiliary device, and its auxiliary device is usually designed to supplementary module pattern, is contained in outside side or the shell of switching device, it is possible to be built in the inside of switching device, can be used for indicating the state of switching device。The auxiliary device of such as chopper is generally associated with the state of its main contact, is used for indicating the states such as connection, disjunction and dropout。The auxiliary device of catalyst generally operates the state of electric magnet and is associated with it, for connection and the disjunction of detector bar。Prior art is arranged on the auxiliary device outside switching device, except associated touch head status, also need to connect and fixing, therefore its volume is all bigger, corresponding amount of parts is also more, even if being installed on the auxiliary device in switch internal space, is mostly the pattern of module, adopting lever construction transmission, the space taken is all bigger。As all-in-one-piece control and protective switching device, owing to its signal source needing transmission is distributed in different aspects, therefore often cause wiring longer in the design, connect the defect of inconvenience。
Summary of the invention
The present invention proposes the internal feedback device of a kind of control and protective switching device; including: support, contact supporter, stationary contact bracket group and shell; contact supporter is arranged in support; contact supporter has moving contact; stationary contact bracket group has static contact; moving contact and static contact form sets of contacts, and support, contact supporter, stationary contact bracket group are contained in shell。Having switching mechanism on contact supporter, switching mechanism extends to outside shell, drives contact supporter to move by switching construction, changes the state of sets of contacts。
In one embodiment, contact supporter is provided with dynamic tactile bridge group, moving contact spring, main spring。Having several moving contact groove on contact supporter, dynamic tactile bridge group and moving contact spring are arranged in moving contact groove, install a dynamic bridge that touches, dynamic tactile bridge moving contact spring mounted below in each moving contact groove；Dynamic touching has moving contact on bridge；The bottom of contact supporter has main spring。
In one embodiment, stationary contact bracket group is arranged along the outer wall of support, and several stationary contact bracket groups have different height, and each stationary contact bracket has static contact。The position of the height of each stationary contact bracket group tactile bridge dynamic with respectively is corresponding, and static contact and a dynamic moving contact touched on bridge in a stationary contact bracket group form a pair sets of contacts。
In one embodiment, the internal feedback device of control and protective switching device is arranged on master control borad, and master control borad also has actuator and binding post。
In one embodiment, actuator drives described switching mechanism, drives contact supporter to move, changes the state of sets of contacts。Letter report binding post realizes duty letter report, and operation binding post realizes make-break operation。
In one embodiment, actuator separates in switching mechanism, and in an ON state, sets of contacts closes this internal feedback device。Actuator rotates lower crush-cutting converting mechanism, and lower pressure contact supporter is to the first height, and this internal feedback device is in trip status, and sets of contacts disconnects, keep between moving contact and static contact dropout open from。Actuator rotates lower crush-cutting converting mechanism, and lower pressure contact supporter is to the second height, and this internal feedback device is closed, and sets of contacts disconnects, remain turned-off out between moving contact and static contact from。
In one embodiment, close make and break from more than dropout open from。
In one embodiment, actuator is connected to operating mechanism by gear mechanism。
The internal signal feedback device of the control and protective switching device of the present invention; employing associated mode feeds back; it is different from the lever construction of generally employing; it is arranged in the inside of device for switching; purpose is to realize small size so that easy-to-connect, reduces transmission link; it is directly associated with actuator simultaneously, increases the reliability of transmission signal。
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage will be become apparent by the description below in conjunction with drawings and Examples, and accompanying drawing labelling identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 discloses the mounting structure figure of the internal feedback device of the control and protective switching device according to one embodiment of the invention。
Fig. 2 a and Fig. 2 b discloses the decomposition chart of the internal feedback device of the control and protective switching device according to one embodiment of the invention。
Fig. 3 discloses the use state diagram of the internal feedback device of the control and protective switching device according to one embodiment of the invention。
Fig. 4 discloses the internal feedback device of the control and protective switching device according to one embodiment of the invention structure in an ON state。
Fig. 5 discloses the internal feedback device of the control and protective switching device according to one embodiment of the invention and is in the structure of trip status。
Fig. 6 discloses the structure that the internal feedback device of the control and protective switching device according to one embodiment of the invention is closed。
Detailed description of the invention
The present invention proposes the internal feedback device of a kind of control and protective switching device, including: support, contact supporter, stationary contact bracket group, dynamic tactile bridge group, moving contact spring, main spring。Having several moving contact groove on contact supporter, dynamic tactile bridge group and moving contact spring are arranged in moving contact groove, install a dynamic bridge that touches, dynamic tactile bridge moving contact spring mounted below in each moving contact groove。Dynamic touching has moving contact on bridge。Having switching mechanism on contact supporter, switching mechanism coordinates with actuator to change the state of sets of contacts。The bottom of contact supporter has main spring。Contact supporter is positioned at support。Stationary contact bracket group is arranged along the outer wall of support, and several stationary contact bracket groups can have different height, and each stationary contact bracket has static contact。The position of the height of each stationary contact bracket group tactile bridge dynamic with respectively is corresponding。Static contact and a dynamic moving contact touched on bridge in one stationary contact bracket group form a pair sets of contacts。The contact supporter of support and its inner containment and moving contact group, the stationary contact bracket group of disposed outside is installed along with on master control borad。Shell covers above-mentioned support, contact supporter, moving contact group and stationary contact bracket group, forms internal feedback device。It should be noted that have groove on shell, stretching out for switching mechanism and coordinate with actuator outside shell, switching mechanism has enough spaces and can move to complete switching。This internal feedback device is directly installed on master control borad, is positioned at the inside of device for switching。In transmission, the actuator being positioned on master control borad connects in operating mechanism either directly through gear structure, does not use lever construction, and transmission is relatively reliable, and volume is also less。Actuator regulates the position of contact supporter by switching mechanism together with main spring, changes contact state。Master control borad is also integrated with binding post。
The mounting structure figure of the internal feedback device of the control and protective switching device according to one embodiment of the invention is disclosed with reference to Fig. 1, Fig. 2 a and Fig. 2 b, Fig. 1。Fig. 2 a and Fig. 2 b discloses the decomposition chart of the internal feedback device of the control and protective switching device according to one embodiment of the invention。Wherein Fig. 2 a discloses contact supporter, stationary contact bracket group after removing shell, the dynamic structure touching bridge group, moving contact spring, main spring and switching mechanism。Fig. 2 b discloses the structure chart of this internal feedback device after assembling shell。As shown in Figure 2 a, contact supporter 102 has several moving contact groove, in the illustrated embodiment, contact supporter 102 has two moving contact grooves。Dynamic tactile bridge group and moving contact spring are arranged in moving contact groove, install a dynamic bridge that touches, dynamic tactile bridge moving contact spring mounted below in each moving contact groove。In the illustrated embodiment, two dynamic tactile bridges: the first dynamic tactile bridge 106 and the second dynamic bridge 107 that touches are separately mounted in two moving contact grooves on contact supporter 102。First dynamic touches in the moving contact groove that bridge 106 is mounted above, first dynamic touch bridge 106 be installed below the first moving contact spring 109。Second dynamic touches in the moving contact groove that bridge 107 is arranged on lower section, second dynamic touch bridge 107 be installed below the second moving contact spring 110。First dynamic touching each has moving contact on bridge 106 and the second dynamic tactile bridge 107, is illustrated within the contact of the dynamic disc-shaped touching bridge two ends in the drawings。First moving contact spring 109 and the second moving contact spring 110 apply spring force upwards to the first dynamic tactile bridge 106 and the second dynamic bridge 107 that touches respectively so that the dynamic bridge that touches is all the time by the position of jacking to the top of moving contact groove。The bottom of contact supporter 102 has main spring 111。Contact supporter 102 has switching mechanism 121, and switching mechanism 121 is positioned on a side of contact supporter 102, and switching mechanism 121 is outward extending projection。Switching mechanism 121 coordinates with to change the state of sets of contacts with actuator 103 (with reference to Fig. 1), described in detail below。
With reference to Fig. 1, contact supporter shown in Fig. 2 a, stationary contact bracket group, dynamic tactile bridge group, moving contact spring and main spring are all in support 101, but support 101 is not the structure of closing, still it can be seen that the first dynamic bridge 106 and second that touches stretched out from support 101 moves tactile bridge 107 from Fig. 1。The outside of support 101 is provided with stationary contact bracket group, and static contact is arranged along the outer wall of support。In the illustrated embodiment, it is provided with two stationary contact bracket groups: the first stationary contact bracket group 105 and the second stationary contact bracket group 104, the first stationary contact bracket group 105 is higher, and the second stationary contact bracket group 104 is relatively low。Stationary contact bracket has static contact。The position of the height of stationary contact bracket group tactile bridge dynamic with respectively is corresponding。It should be noted that the first stationary contact bracket group 105 includes two the independent supports being positioned at both sides, same, the second stationary contact bracket group 104 also includes two the independent supports being positioned at both sides, to coordinate with the moving contact on both sides on dynamic tactile bridge。First stationary contact bracket group 105 corresponding first is dynamic touches bridge 106, and the second stationary contact bracket group 104 corresponding second is dynamic touches bridge 107。As it can be seen, stationary contact bracket group is touching height bending corresponding to bridge horizontal expansion with dynamic, the bottom surface of bending part has the contact of disc-shaped as static contact。Static contact and a dynamic moving contact touched on bridge in one stationary contact bracket group form a pair sets of contacts。First stationary contact bracket group 105 and the first dynamic bridge 106 that touches form the first sets of contacts, and the second stationary contact bracket group 104 and the second dynamic bridge 107 that touches form the second sets of contacts。As it is shown in figure 1, the contact supporter of support 101 and its inner containment and moving contact group, the stationary contact bracket group of disposed outside is installed along with on master control borad 108。Shell 112 covers above-mentioned support 101, contact supporter 102, moving contact group and stationary contact bracket group, forms internal feedback device, as shown in Figure 2 b。Equally as shown in Figure 2 b, shell 112 having groove in the side of corresponding switching mechanism 121, groove stretches out for switching mechanism 121 that shell 112 is outer to be coordinated with actuator 103, and groove makes switching mechanism 121 have enough spaces to move to complete switching。
Fig. 3 discloses the use state diagram of the internal feedback device of the control and protective switching device according to one embodiment of the invention。As it is shown on figure 3, master control borad 108 is provided with internal feedback device 116, actuator 103, letter report binding post 114 and operation binding post 115。The two ends of actuator 103 all have gear structure, and the gear structure 131 of actuator the first end is for coordinating with switching mechanism 121。The gear structure 132 of actuator the second end is for linking with the gear 113 in operating mechanism。As it can be seen, the gear structure 132 of actuator the second end is engaged with the gear 113 in operating mechanism, after gear 113 rotates according to the action of operating mechanism, driven gear structure 132 rotates, and then driven gear structure 131 rotates。Gear structure 131 contacts with switching mechanism 121 after rotating, and changes the state of sets of contacts by regulating the position of contact supporter。Master control borad 108 can be the form of circuit board, and such static contact group is directly weldingly fixed on master control borad 108。Master control borad 108 is also integrated with binding post, including letter report binding post 114 and operation binding post 115。Letter report binding post 114 realizes duty letter report, and operation binding post 115 realizes make-break operation。
Fig. 4～Fig. 6 discloses the structure chart of the duty of the internal feedback device of the control and protective switching device according to one embodiment of the invention。The wherein structure being in on-state (ON) shown in Fig. 4, Fig. 5 is in the structure of trip status (TRIP), and Fig. 6 is the structure of closed mode (OFF)。
With reference to shown in Fig. 4, internal feedback device is in connection (ON) state。In this case, actuator 103 separates with switching mechanism 121, and switching mechanism 121 is not subjected to the pressure of actuator 103。Under the effect of main spring 111, contact supporter 102 entirety is by jack-up upward。Under the effect of moving contact spring, the first dynamic tactile bridge 106 and the second shake-up bridge 107 maintain the top of moving contact groove。First dynamic tactile bridge 106 and the first stationary contact bracket group 105, the second dynamic bridge 107 that touches all contacts with the second stationary contact bracket group 104, and the first sets of contacts and the second sets of contacts are kept closed。Letter report binding post 114 and operation binding post 115 carry out corresponding letter report and operation。
With reference to shown in Fig. 5, internal feedback device is in dropout (TRIP) state。In this case, actuator 103 rotates (be illustrated as and rotate clockwise) under the drive of the gear 113 shown in Fig. 3, and actuator 103 touches switching mechanism 121, is pressed downward against by switching mechanism 121。The spring force of main spring 111, contact supporter 102 is overcome to be compressed to the first height。First dynamic touches bridge 106 and the first stationary contact bracket group 105, and the second dynamic tactile bridge 107 and the second stationary contact bracket group 104 all separate, and be maintained at dropout open from。First sets of contacts and the second sets of contacts all disconnect。Letter report binding post 114 and operation binding post 115 carry out corresponding letter report and operation。
With reference to shown in Fig. 6, internal feedback device is in dropout (OFF) state。In this case, actuator 103 is rotated further (be illustrated as and continue to rotate clockwise) under the drive of the gear 113 shown in Fig. 3 on the basis of Fig. 5, and switching mechanism 121 is pressed by actuator 103 further downward。Continue to overcome the spring force of main spring 111, contact supporter 102 to be compressed to the second height。First dynamic touches bridge 106 and the first stationary contact bracket group 105, and second dynamic touches bridge 107 and the second stationary contact bracket group 104 all separates, and be maintained at close make and break from。Comparison diagram 5 and Fig. 6 are visible, between sets of contacts close make and break from distance more than thread off open from distance。First sets of contacts and the second sets of contacts all disconnect。Letter report binding post 114 and operation binding post 115 carry out corresponding letter report and operation。
The internal signal feedback device of the control and protective switching device of the present invention; employing associated mode feeds back; it is different from the lever construction of generally employing; it is arranged in the inside of device for switching; purpose is to realize small size so that easy-to-connect, reduces transmission link; it is directly associated with actuator simultaneously, increases the reliability of transmission signal。
Above-described embodiment is available to be familiar with person in the art and realizes or use the present invention's; those skilled in the art can be without departing from the present invention in the case of the inventive idea; above-described embodiment is made various modifications or change; thus protection scope of the present invention is not limit by above-described embodiment, and the maximum magnitude of the inventive features that claims are mentioned should be consistent with。
Claims (9)
1. the internal feedback device of a control and protective switching device; it is characterized in that; including: support, contact supporter, stationary contact bracket group and shell; described contact supporter is arranged in support; contact supporter has moving contact; having static contact, moving contact and static contact in stationary contact bracket group and form sets of contacts, support, contact supporter, stationary contact bracket group are contained in shell；
Having switching mechanism on contact supporter, switching mechanism extends to outside shell, drives contact supporter to move by switching construction, changes the state of sets of contacts。
2. the internal feedback device of control and protective switching device as claimed in claim 1, it is characterised in that be provided with dynamic tactile bridge group, moving contact spring, main spring on described contact supporter；
Having several moving contact groove on contact supporter, dynamic tactile bridge group and moving contact spring are arranged in moving contact groove, install a dynamic bridge that touches, dynamic tactile bridge moving contact spring mounted below in each moving contact groove；Dynamic touching has moving contact on bridge；The bottom of contact supporter has main spring。
3. the internal feedback device of control and protective switching device as claimed in claim 2, it is characterised in that stationary contact bracket group is arranged along the outer wall of support, and several stationary contact bracket groups have different height, and each stationary contact bracket has static contact；
The position of the height of each stationary contact bracket group tactile bridge dynamic with respectively is corresponding, and static contact and a dynamic moving contact touched on bridge in a stationary contact bracket group form a pair sets of contacts。
4. the internal feedback device of control and protective switching device as claimed in claim 3, it is characterised in that the quantity of described sets of contacts is two。
5. the internal feedback device of control and protective switching device as claimed in claim 3, it is characterised in that the internal feedback device of described control and protective switching device is arranged on master control borad, and described master control borad also has actuator and binding post。
6. the internal feedback device of control and protective switching device as claimed in claim 3, it is characterised in that
Described actuator drives described switching mechanism, drives contact supporter to move, changes the state of sets of contacts；
Described letter report binding post realizes duty letter report, and described operation binding post realizes make-break operation。
7. the internal feedback device of control and protective switching device as claimed in claim 3, it is characterised in that
Described actuator separates in switching mechanism, and in an ON state, sets of contacts closes this internal feedback device；
Described actuator rotates lower crush-cutting converting mechanism, and lower pressure contact supporter is to the first height, and this internal feedback device is in trip status, and sets of contacts disconnects, keep between moving contact and static contact dropout open from；
Described actuator rotates lower crush-cutting converting mechanism, and lower pressure contact supporter is to the second height, and this internal feedback device is closed, and sets of contacts disconnects, remain turned-off out between moving contact and static contact from。
8. the internal feedback device of control and protective switching device as claimed in claim 7, it is characterised in that
The make and break of described pass from more than described dropout open from。
9. the internal feedback device of control and protective switching device as claimed in claim 7, it is characterised in that described actuator is connected to operating mechanism by gear mechanism。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190552.2A CN105702488B (en) | 2016-03-30 | 2016-03-30 | The internal feedback device of control and protective switching device |
| PCT/CN2017/077635 WO2017167085A1 (en) | 2016-03-30 | 2017-03-22 | Internal feedback apparatus for control and protection of electrical switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610190552.2A CN105702488B (en) | 2016-03-30 | 2016-03-30 | The internal feedback device of control and protective switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105702488A true CN105702488A (en) | 2016-06-22 |
| CN105702488B CN105702488B (en) | 2018-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610190552.2A Active CN105702488B (en) | 2016-03-30 | 2016-03-30 | The internal feedback device of control and protective switching device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105702488B (en) |
| WO (1) | WO2017167085A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017167085A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Internal feedback apparatus for control and protection of electrical switching device |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666164B (en) * | 2018-03-20 | 2023-12-26 | 浙江正泰电器股份有限公司 | Rotary electrical switch contact system and rotary electrical switch |
| CN110265264B (en) * | 2019-05-27 | 2024-03-19 | 浙江格蕾特电器股份有限公司 | Novel moving contact assembly and relay |
| CN113643916B (en) * | 2021-08-10 | 2023-11-21 | 雷顿电气科技有限公司 | Slide-in type double-power-supply change-over switch |
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| CN105702488B (en) * | 2016-03-30 | 2018-03-27 | 上海电科电器科技有限公司 | The internal feedback device of control and protective switching device |
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- 2016-03-30 CN CN201610190552.2A patent/CN105702488B/en active Active
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2017
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| US4939495A (en) * | 1989-12-19 | 1990-07-03 | Texas Instruments Incorporated | Circuit breaker with auxiliary status indicating switch |
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| US6232859B1 (en) * | 2000-03-15 | 2001-05-15 | General Electric Company | Auxiliary switch mounting configuration for use in a molded case circuit breaker |
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| WO2017167085A1 (en) * | 2016-03-30 | 2017-10-05 | 上海电科电器科技有限公司 | Internal feedback apparatus for control and protection of electrical switching device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017167085A1 (en) | 2017-10-05 |
| CN105702488B (en) | 2018-03-27 |
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