CN102881963A - Phase shifter and antenna - Google Patents
Phase shifter and antenna Download PDFInfo
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- CN102881963A CN102881963A CN2012103612180A CN201210361218A CN102881963A CN 102881963 A CN102881963 A CN 102881963A CN 2012103612180 A CN2012103612180 A CN 2012103612180A CN 201210361218 A CN201210361218 A CN 201210361218A CN 102881963 A CN102881963 A CN 102881963A
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- phase shifter
- metallic cavity
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Abstract
The embodiment of the invention discloses a phase shifter and an antenna, and relates to the field of communication. A metal cavity and a metal grounding block are connected through a metal connecting piece to realize the common ground of the metal cavity, a coaxial cable and the metal grounding block, so that a grounding structure of the phase shifter is simple in structure and convenient to process; and therefore, the cost is saved, and the structural layout is reasonable. The phase shifter comprises the grounding structure, the coaxial cable and the metal cavity, wherein the grounding structure comprises the metal connecting piece and the metal grounding block; the metal grounding block is electrically connected with an outer conductor of the coaxial cable; and the metal connecting piece is connected with the metal cavity and the metal grounding block respectively, so that the common ground of the metal cavity, the coaxial cable and the metal grounding block is realized.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of phase shifter, antenna.
Background technology
Phase shifter is the necessary assembly of antenna, regulates the angle of antenna beam by the relative phase between the signal that changes antenna element, thus optimizing communication network.
Cavity phase shifter comprises: metallic cavity, coaxial cable, metal connecting plot, wherein the metal connecting plot is electrically connected with coaxial cable.At present, realize that metallic cavity, metal connecting plot, coaxial cable structure altogether are generally: the lateral opening hole that the metallic cavity area is little, metal connecting plot are arranged on tapping and are connected with the metallic cavity side seal; The upper and lower surface of metallic cavity is fixedly connected with the metal connecting plot, thereby realizes metallic cavity, metal connecting plot, coaxial cable altogether.
The inventor finds cavity phase shifter of the prior art, and there are the following problems at least:
1, ground structure is complicated;
2, need to be at the lateral opening hole of metallic cavity, and the perforate of metallic cavity side need to metal connecting plot coupling, could be so that metal connecting plot and metallic cavity side seal, processed complex, difficult design;
3, because the upper surface of metallic cavity when being connected with screw or other interface units, cause that the junction holds that perception is relatively more responsive, the metallic cavity self-energy is easily revealed, standing wave debug difficulties and consistency be poor, so need to do special processing to metallic cavity upper surface junction, cause manufacturing procedure complicated, processing cost is high, the phase shifter poor stability.
Summary of the invention
The invention provides a kind of phase shifter, antenna, be fixedly connected with metallic cavity with the metal connecting plot respectively by metal connecting piece, realize metallic cavity and coaxial cable and metal connecting plot altogether, so that the ground structure of phase shifter is simple, manufacturing procedure is simple, processing cost reduces.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect provides a kind of phase shifter, comprising: ground structure, coaxial cable, metallic cavity, wherein,
Described ground structure, comprise: metal connecting piece and metal connecting plot, described metal connecting plot is electrically connected with the outer conductor of described coaxial cable, described metal connecting piece connects respectively described metallic cavity and described metal connecting plot, realizes the common ground of described metallic cavity and described coaxial cable and described ground structure.
In the possible implementation of the first, above-mentioned metal connecting plot and above-mentioned metal connecting piece are positioned at the same side of above-mentioned metallic cavity, and this metal connecting piece is fixedly connected with the side of this metallic cavity.
In conjunction with the first mode in the cards, in the possible implementation of the second, above-mentioned metal connecting piece is sheet, and the side of this metal connecting piece is connected with the side of above-mentioned metallic cavity, and the surface of this metal connecting piece is connected with above-mentioned metal connecting plot.
In conjunction with above-mentioned any mode in the cards, in the third possible implementation, be provided with conductor in the above-mentioned metallic cavity, above-mentioned coaxial cable passes the sidewall of described metallic cavity, and the conductor in the inner wire of this coaxial cable and this metallic cavity is electrically connected.
In conjunction with the third mode in the cards, in the 4th kind of possible implementation, be positioned on the above-mentioned metallic cavity outer surface of above-mentioned coaxial cable and above-mentioned conductor link position and be provided with perforate.
In conjunction with first aspect, in the 5th kind of possible implementation, be provided with the gap between above-mentioned metal connecting plot and the above-mentioned metallic cavity.
In conjunction with the 4th kind of mode in the cards, in the 6th kind of possible implementation, above-mentioned coaxial cable has two at least, and per two described coaxial cables connect same described ground structure.
In conjunction with first aspect, in the 7th kind of possible implementation, above-mentioned ground structure is at least two, and the metal connecting plot that is positioned at the same side of this phase shifter connects same metal connecting piece.
In conjunction with first aspect, in the 8th kind of possible implementation, above-mentioned ground structure is positioned on the large side of this phase shifter length.
Second aspect provides a kind of antenna, comprising:
Antenna element is used for the electromagnetic radiation wave beam;
And above-mentioned each the described phase shifter that is connected with described antenna element, for the angle of the electromagnetic beam of regulating described antenna element radiation.
The phase shifter that the embodiment of the invention provides, antenna by metal connecting piece difference connection metal cavity and metal connecting plot, are realized metallic cavity and coaxial cable and metal connecting plot altogether, so that the ground structure of phase shifter is simple, easy to process.Solved the ground structure complexity of phase shifter in the prior art, manufacturing procedure is complicated, and processing cost is high, the problem of phase shifter poor stability.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of a kind of phase shifter that Fig. 1 provides for the embodiment of the invention;
The structural representation of the another kind of phase shifter that Fig. 2 provides for the embodiment of the invention;
The structure chart of a kind of antenna that Fig. 3 provides for the embodiment of the invention;
The structure chart of a kind of base station that Fig. 4 provides for the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Referring to Fig. 1, the structure chart of a kind of phase shifter 100 that provides for the embodiment of the invention comprises: ground structure 10, coaxial cable 20, metallic cavity 30, wherein,
The below is elaborated to the realization on common ground.
Referring to Fig. 1, exemplary, metallic cavity 30 can be cuboid, comprises 6 faces, and title face 70 and a outer surface that face be metallic cavity 30 parallel with face 70 in the present embodiment claim four the sides that face be metallic cavity 30 vertical with face 70.
Optionally, metal connecting plot 102 and metal connecting piece 101 are positioned at the outside of the same side of metallic cavity 30, metal connecting piece 101 is fixedly connected with the side of metallic cavity 30, and metal connecting plot 102 is by being fixedly connected with metal connecting piece 101, thereby realizes the common ground with metallic cavity 30.Wherein, metal connecting piece 101 can be sheet, also can be bulk, do not limit at this, the metal connecting piece 101 in the present embodiment is laminated structure, and the side of metal connecting piece 101 is connected with the side of metallic cavity 30, optionally, can be in the process of phase shifter 100 processing, metal connecting piece 101 and metallic cavity 30 is one-body molded, thus reduce manufacturing procedure.In addition, metal connecting piece 101 does not limit with the mode that metallic cavity 30 is fixedly connected with yet, and for example, can metal connecting piece 101 be fixedly connected with metal connecting plot 102 with screw or other interface units.
Exemplary, coaxial cable 20 can comprise coaxial inner wire 202 and outer conductor 201, metal connecting plot 102 is electrically connected with the outer conductor 201 of coaxial cable 20, realize the common ground of metal connecting plot 102 and coaxial cable 20, and then realize the common ground in metallic cavity 30, coaxial cable 20 and metal connecting plot 102.
Wherein, the present embodiment does not limit the outer conductor 201 of the realizing coaxial cable 20 electricity mode in succession with metal connecting plot 102, can be that welding or other can be realized the mode that is electrically connected.For example, coaxial cable 20 can be realized the outer conductor 201 of coaxial cable 20 and being electrically connected of metal connecting plot 102 by the inside of passing metal connecting plot 102.
In addition, be provided with conductor 40 in the metallic cavity 30, the conductor 40 in the inner wire 202 of coaxial cable 20 and the metallic cavity 30 is electrically connected.For example, coaxial cable 20 passes after the metal connecting plot 102, and the sidewall that coaxial cable 20 passes metallic cavity 30 again enters metallic cavity 30, so that the inner wire 202 of coaxial cable 20 is electrically connected at metallic cavity 30 conductors 40 inner and in the metallic cavity 30.
With respect to prior art, the ground structure 10 that above-described embodiment provides is simple, and because connection is connected by metal connecting piece 101 in metal connecting plot 102 with metallic cavity, rather than directly be connected with metallic cavity 30, so do not need metallic cavity 30 is carried out extra processing, for example do not need perforate is carried out in the side of metallic cavity 30, do not need special processing is carried out on the surface of metallic cavity 30 yet, both reduced the manufacturing procedure of phase shifter, reduce processing cost, avoided again prior art because of lateral opening hole and does not mate in metal connecting plot 102 and to the defective of the surface treatment of the metallic cavity 30 improper phase shifter poor stability that brings.
Referring to Fig. 1, optionally, be positioned on the outer surface of metallic cavity 40 of conductor 40 link positions of the inner wire 202 of coaxial cable 20 and metallic cavity 30 and be provided with perforate 50, be used for obtaining stable electromagnetic field, the quantity of perforate 50 equates with the quantity of coaxial cable 20.
Exemplary, perforate 50 can also be used for making things convenient for being electrically connected of coaxial cable 20 and conductor 40, for example can weld by 50 pairs of coaxial cables of perforate 20 and conductor 40.Wherein, the shape of perforate 50 does not limit, and for example, perforate 50 can be circle or rectangle or other shapes, and its size can be determined according to actual needs.Referring to Fig. 1, the quantity of perforate 50 is 2.
Exemplary, with respect to prior art, the processing of metallic cavity 30 is shown as: get final product in metallic cavity 30 Surface Machining perforates 50, simplicity of design, it is convenient to realize.
Referring to Fig. 1, optional, can be provided with gap 60 between metal connecting plot 102 and the metallic cavity 30, be used for avoiding the generation of intermodulation.
Exemplary, when metal and Metal Contact and insufficient pressure between the two, can produce the intermodulation problem, compared with prior art, between metal ground connection 102 and metallic cavity 30 gap 60 being set can avoid metal ground connection 102 directly to contact with metallic cavity 30, and then can avoid the generation of intermodulation, so that the performance of described phase shifter 100 is better.
Optionally, coaxial cable 20 has two at least, and per two coaxial cables 20 connect same metal connecting plot 102.
Exemplary, according to actual needs, phase shifter 100 can adopt the mode of multiple-input and multiple-output, the metal connecting plot 102 of each ground structure 10 can connect one or two coaxial cables 20 simultaneously, consider from the angle of saving cost, optional, referring to Fig. 2, a metallic cavity 30 a plurality of ground structures 10 are set, the metal connecting plot 102 of each ground structure 10 connects respectively two coaxial cables 20.For example, phase shifter 100 adopts the mode of 15 outputs of 1 input, 8 ground structures 10 are set on the metallic cavity 30, the metal connecting plot 102 of each ground structure 10 connects respectively two coaxial cables 20, wherein a coaxial cable 20 is used for input electrical signal, and other 15 coaxial cables 20 are used for output electrical signals.
Referring to Fig. 2, optional, ground structure 10 can be positioned on the large side of phase shifter 100 length.
Exemplary, when ground structure 10 is arranged on the large side of phase shifter 100 length, so that the probability that different coaxial cable 20 intersects reduces, thus reduce signal coupling between the different coaxial cables 20, thus the performance of phase shifter 100 improved.And wire structures is more attractive in appearance on ground structure 10 being arranged on the long side of phase shifter 100 length the time.
Optionally, be at least two and when the even number, ground structure 10 can be symmetrically distributed on two large sides of phase shifter 100 length when ground structure 10.
Exemplary, ground structure 10, symmetrical or asymmetric being distributed on two large sides of phase shifter 100 length considered from the aesthetic measure of wire structures according to actual needs, and be preferred, referring to Fig. 2, when ground structure 10 is at least two and when the even number, ground structure 10 can be symmetrically distributed on two large sides of phase shifter 100 length, for example, phase shifter 100 is provided with 8 ground structures 10, is symmetrically distributed in respectively on two large sides of phase shifter 100 length.
Optionally, be positioned at the same metal connecting piece 101 of metal connecting plot 102 connections of the same side of phase shifter 100.Referring to Fig. 2, four metal connecting plot 102 that are positioned at phase shifter 100 the same sides connect respectively same metal connecting piece 101, can reduce manufacturing procedure like this.
In addition, phase shifter 100 can comprise the double layer of metal cavity 30 that overlaps, optionally, can be in the junction of the same side of double layer of metal cavity 30 jointly connect a metal connecting piece 101, be respectively arranged with the metal connecting plot that is connected with metal connecting piece 101 in this side of double layer of metal cavity 30.
The phase shifter 100 that the embodiment of the invention provides, by metal connecting piece 101 difference connection metal cavitys 30 and metal connecting plot 102, realize metallic cavity 30 and coaxial cable 20 and metal connecting plot 102 altogether, so that the ground structure of phase shifter 100 is simple, easy to process, topology layout is more reasonable.Solved the ground structure complexity of phase shifter in the prior art, manufacturing procedure is complicated, and processing cost is high, the problem of phase shifter poor stability.
Referring to Fig. 3, the structural representation of a kind of antenna 80 that provides for the embodiment of the invention comprises:
And described any phase shifter 100 of the above-described embodiment that is connected with antenna element 200, for the angle of the electromagnetic beam of regulating described antenna element 200 radiation.
The antenna 80 that the embodiment of the invention provides, comprise phase shifter 100, this phase shifter 100 is by metal connecting piece difference connection metal cavity and metal connecting plot, realize metallic cavity and coaxial cable and metal connecting plot altogether, so that the ground structure of phase shifter is simple, easy to process, and then so that antenna 80 simple in structure, easy to process, cost, topology layout is more reasonable.Solved the ground structure complexity of phase shifter in the prior art, manufacturing procedure is complicated, and processing cost is high, and the antenna structure that the phase shifter poor stability causes is complicated, the problem of manufacturing procedure complexity and poor stability.
Referring to Fig. 4, the structural representation of a kind of base station 90 that provides for the embodiment of the invention comprises: the described antenna 80 of above-described embodiment.
The base station 90 that the embodiment of the invention provides, comprise antenna 80, this antenna 80 comprises phase shifter, this phase shifter is realized metallic cavity and coaxial cable and metal connecting plot altogether, so that the ground structure of phase shifter is simple, easy to process by metal connecting piece difference connection metal cavity and metal connecting plot, and then so that base station 90 simple in structure, easy to process, cost, topology layout is more reasonable.Solved the ground structure complexity of phase shifter in the prior art, manufacturing procedure is complicated, and processing cost is high, and the architecture of base station that the phase shifter poor stability causes is complicated, the problem of manufacturing procedure complexity and poor stability.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
The above; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (10)
1. a phase shifter is characterized in that, comprising: ground structure, coaxial cable, metallic cavity, wherein,
Described ground structure, comprise: metal connecting piece and metal connecting plot, described metal connecting plot is electrically connected with the outer conductor of described coaxial cable, described metal connecting piece connects respectively described metallic cavity and described metal connecting plot, realizes described metallic cavity and described coaxial cable and described metal connecting plot altogether.
2. phase shifter according to claim 1 is characterized in that, described metal connecting plot and described metal connecting piece are positioned at the same side of described metallic cavity, and described metal connecting piece is fixedly connected with the side of described metallic cavity.
3. phase shifter according to claim 2 is characterized in that, described metal connecting piece is sheet, and the side of described metal connecting piece is connected with the side of described metallic cavity, and the surface of described metal connecting piece is connected with described metal connecting plot.
4. each described phase shifter is characterized in that according to claim 1-3, is provided with conductor in the described metallic cavity, and described coaxial cable passes the sidewall of described metallic cavity, and the conductor in the inner wire of described coaxial cable and the described metallic cavity is electrically connected.
5. phase shifter according to claim 4 is characterized in that,
Be positioned on the outer surface of described metallic cavity of conductor link position of the inner wire of described coaxial cable and described metallic cavity and be provided with perforate.
6. phase shifter according to claim 1 is characterized in that,
Be provided with the gap between described metal connecting plot and the described metallic cavity.
7. phase shifter according to claim 1 is characterized in that, described coaxial cable has two at least, and per two described coaxial cables connect same metal connecting plot.
8. phase shifter according to claim 1 is characterized in that, described metal connecting plot is at least two, and the metal connecting plot that is positioned at the same side of described phase shifter connects same metal connecting piece.
9. phase shifter according to claim 1 is characterized in that, described ground structure is positioned on the large side of described phase shifter length.
10. an antenna is characterized in that, comprising:
Antenna element is used for the electromagnetic radiation wave beam;
And be connected with described antenna element such as each described phase shifter of claim 1-9, be used for regulating the angle of the electromagnetic beam of described antenna element radiation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454981.1A CN105098298B (en) | 2012-09-25 | 2012-09-25 | A kind of phase shifter, antenna |
| CN201210361218.0A CN102881963B (en) | 2012-09-25 | 2012-09-25 | Phase shifter and antenna |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210361218.0A CN102881963B (en) | 2012-09-25 | 2012-09-25 | Phase shifter and antenna |
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| CN201510454981.1A Division CN105098298B (en) | 2012-09-25 | 2012-09-25 | A kind of phase shifter, antenna |
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| CN102881963A true CN102881963A (en) | 2013-01-16 |
| CN102881963B CN102881963B (en) | 2015-07-08 |
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| CN201510454981.1A Active CN105098298B (en) | 2012-09-25 | 2012-09-25 | A kind of phase shifter, antenna |
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| CN104681896A (en) * | 2015-03-23 | 2015-06-03 | 武汉虹信通信技术有限责任公司 | Integrated multipath dielectric phase shifter |
| CN105449328A (en) * | 2015-11-30 | 2016-03-30 | 华为技术有限公司 | Interconnecting structure |
| CN106848498A (en) * | 2015-12-04 | 2017-06-13 | 江苏省东方世纪网络信息有限公司 | Phase shifter |
| WO2020135506A1 (en) * | 2018-12-26 | 2020-07-02 | 华为技术有限公司 | Phase shifter and antenna |
| WO2020147955A1 (en) | 2019-01-17 | 2020-07-23 | Huawei Technologies Co., Ltd. | A phase shift assembly and an antenna |
Families Citing this family (2)
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| CN105720329B (en) * | 2016-03-23 | 2018-05-11 | 武汉虹信通信技术有限责任公司 | A kind of phase shifter for isolating solder joint and the heat transfer of big thermal capacitance cavity |
| CN111883880B (en) * | 2020-07-31 | 2021-10-26 | 武汉虹信科技发展有限责任公司 | Phase shifter and base station antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104681896A (en) * | 2015-03-23 | 2015-06-03 | 武汉虹信通信技术有限责任公司 | Integrated multipath dielectric phase shifter |
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| WO2020147955A1 (en) | 2019-01-17 | 2020-07-23 | Huawei Technologies Co., Ltd. | A phase shift assembly and an antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105098298A (en) | 2015-11-25 |
| CN102881963B (en) | 2015-07-08 |
| CN105098298B (en) | 2018-12-14 |
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