CN105098298A - Phase shifter and antenna - Google Patents
Phase shifter and antenna Download PDFInfo
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- CN105098298A CN105098298A CN201510454981.1A CN201510454981A CN105098298A CN 105098298 A CN105098298 A CN 105098298A CN 201510454981 A CN201510454981 A CN 201510454981A CN 105098298 A CN105098298 A CN 105098298A
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- phase shifter
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- cavity
- coaxial cable
- ground block
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Abstract
The embodiment of the invention discloses a phase shifter and an antenna. The invention relates to the field of communication. A metal cavity and a metal grounding block are respectively connected through metal connecting pieces, thereby achieving the common grounding of the metal cavity, a coaxial cable and a metal grounding block, thereby enabling the grounding structure of the phase shifter to be simple, enabling the machining to be convenient, saving the cost, and enabling the structural layout to be more reasonable. The phase shifter comprises a grounding structure, the coaxial cable, and the metal cavity, wherein the grounding structure comprises a metal connecting part and a metal grounding block. The metal grounding block is electrically connected with an external conductor of the coaxial cable, and the metal connecting part is connected with the metal cavity and the metal grounding block, thereby achieving the common grounding of the metal cavity, the coaxial cable and the metal grounding block.
Description
Technical field
The present invention relates to the communications field, particularly relate 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, metallic ground block, wherein metallic ground block is electrically connected with coaxial cable.At present, realize metallic cavity, metallic ground block, coaxial cable structure altogether be generally: the lateral opening hole that metallic cavity area is little, metallic ground block is arranged on tapping and is connected with metallic cavity side seal; The upper and lower surface of metallic cavity is fixedly connected with metallic ground block, thus realizes metallic cavity, metallic ground block, coaxial cable altogether.
Inventor finds cavity phase shifter of the prior art, and at least there are the following problems:
1, ground structure is complicated;
2, the lateral opening hole in metallic cavity is needed, and the perforate needs of metallic cavity side and metallic ground Block-matching, just can make metallic ground block and metallic cavity side seal, processed complex, difficult design;
3, due to the upper surface of metallic cavity be connected with screw or other interface units time, perception is more responsive, metallic cavity self-energy is easily revealed, standing wave debug difficulties and consistency is poor to cause junction to hold, so need to do special processing to metallic cavity upper surface junction, cause manufacturing procedure complicated, processing cost is high, phase shifter poor stability.
Summary of the invention
The invention provides a kind of phase shifter, antenna, be fixedly connected with metallic cavity with metallic ground block respectively by metal connecting piece, realize metallic cavity and coaxial cable and metallic ground block altogether, such 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 metallic ground block, described metallic ground block is electrically connected with the outer conductor of described coaxial cable, described metal connecting piece connects described metallic cavity and described metallic ground block respectively, realize described metallic cavity and described coaxial cable and described ground structure commonly.
In the implementation that the first is possible, above-mentioned metallic ground block 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 implementation that the second is possible, 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 metallic ground block.
In conjunction with any one mode in the cards above-mentioned, in the implementation that the third is possible, be provided with conductor in above-mentioned metallic cavity, above-mentioned coaxial cable is through the sidewall of described metallic cavity, and the inner wire of this coaxial cable is electrically connected with the conductor in this metallic cavity.
In conjunction with the third mode in the cards, in the 4th kind of possible implementation, the above-mentioned metallic cavity outer surface being positioned at above-mentioned coaxial cable and above-mentioned conductor link position is provided with perforate.
In conjunction with first aspect, in the 5th kind of possible implementation, between above-mentioned metallic ground block and above-mentioned metallic cavity, be provided with gap.
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 every 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 metallic ground block being 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, for electromagnetic radiation wave beam;
And the phase shifter described in above-mentioned any one to be connected with described antenna element, for regulating the angle of the electromagnetic beam of described antenna element radiation.
The phase shifter that the embodiment of the present invention provides, antenna, by metal connecting piece connection metal cavity and metallic ground block respectively, realize metallic cavity and coaxial cable and metallic ground block altogether, make the ground structure of phase shifter simple, easy to process.The ground structure solving phase shifter in prior art is complicated, and manufacturing procedure is complicated, and processing cost is high, the problem of phase shifter poor stability.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of phase shifter that Fig. 1 provides for the embodiment of the present invention;
The structural representation of the another kind of phase shifter that Fig. 2 provides for the embodiment of the present invention;
The structure chart of a kind of antenna that Fig. 3 provides for the embodiment of the present invention;
The structure chart of a kind of base station that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 1, be the structure chart of a kind of phase shifter 100 that the embodiment of the present invention provides, comprise: ground structure 10, coaxial cable 20, metallic cavity 30, wherein,
Ground structure 10, comprise: metal connecting piece 101 and metallic ground block 102, metallic ground block 102 is electrically connected with the outer conductor 201 of coaxial cable 20, metal connecting piece 101 is connection metal cavity 30 and metallic ground block 102 respectively, realize metallic cavity 30 and coaxial cable 20 and metallic ground block 102 commonly.
Below the realization on common ground is described in detail.
See Fig. 1, exemplary, metallic cavity 30 can be cuboid, comprises 6 faces, and in the present embodiment, title face 70 and parallel with face 70 face are the outer surface of metallic cavity 30, claims four faces vertical with face 70 to be the side of metallic cavity 30.
Optionally, metallic ground block 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, metallic ground block 102 by being fixedly connected with metal connecting piece 101, thus realize with metallic cavity 30 commonly.Wherein, metal connecting piece 101 can be sheet, also can be block, 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, in the process can processed at phase shifter 100, by one-body molded to metal connecting piece 101 and metallic cavity 30, thus reduce manufacturing procedure.In addition, the mode that metal connecting piece 101 is fixedly connected with metallic cavity 30 does not also limit, and such as, can be fixedly connected with by metal connecting piece 101 with screw or other interface units with metallic ground block 102.
Exemplary, coaxial cable 20 can comprise coaxial inner wire 202 and outer conductor 201, metallic ground block 102 is electrically connected with the outer conductor 201 of coaxial cable 20, realize metallic ground block 102 and coaxial cable 20 commonly, and then realize metallic cavity 30, coaxial cable 20 and metallic ground block 102 commonly.
Wherein, the electricity mode in succession of the present embodiment to the outer conductor 201 and metallic ground block 102 that realize coaxial cable 20 does not limit, can be welding or other can realize be electrically connected mode.Such as, coaxial cable 20 can by the electrical connection of the outer conductor 201 with metallic ground block 102 that realize coaxial cable 20 through the inside of metallic ground block 102.
In addition, be provided with conductor 40 in metallic cavity 30, the inner wire 202 of coaxial cable 20 is electrically connected with the conductor 40 in metallic cavity 30.Such as, coaxial cable 20 is through after metallic ground block 102, and coaxial cable 20 enters metallic cavity 30 through the sidewall of metallic cavity 30 again, and the inner wire 202 of coaxial cable 20 is electrically connected with the conductor 40 in metallic cavity 30 in metallic cavity 30 inside.
Relative to prior art, the ground structure 10 that above-described embodiment provides is simple, and be connected with metallic cavity 30 by metal connecting piece 101 due to metallic ground block 102, instead of be directly connected with metallic cavity 30, so do not need to carry out extra processing to metallic cavity 30, such as do not need to carry out perforate to the side of metallic cavity 30, do not need to carry out special processing to the surface of metallic cavity 30 yet, both the manufacturing procedure of phase shifter had been decreased, reduce processing cost, turn avoid prior art because of lateral opening hole not to mate with metallic ground block 102 and defect to the improper phase shifter poor stability brought of the surface treatment of metallic cavity 30.
See Fig. 1, optionally, the outer surface being positioned at the metallic cavity 40 of the inner wire 202 of coaxial cable 20 and conductor 40 link position of metallic cavity 30 is provided with perforate 50, and for obtaining stable electromagnetic field, the quantity of perforate 50 is equal with the quantity of coaxial cable 20.
Exemplary, perforate 50 can also be used for facilitating coaxial cable 20 and the electrical connection of conductor 40, such as, can be welded with conductor 40 by perforate 50 pairs of coaxial cables 20.Wherein, the shape of perforate 50 does not limit, and such as, perforate 50 can be circular or rectangle or other shapes, and its size can be determined according to actual needs.See Fig. 1, the quantity of perforate 50 is 2.
Exemplary, relative to prior art, show as the processing of metallic cavity 30: in metallic cavity 30 Surface Machining perforate 50, simplicity of design, it is convenient to realize.
See Fig. 1, optionally, between metallic ground block 102 and metallic cavity 30, gap 60 can be provided with, for avoiding the generation of intermodulation.
Exemplary, during insufficient pressure when metal and Metal Contact and between the two, intermodulation issues can be produced, compared with prior art, between metallic ground 102 with metallic cavity 30, arrange gap 60 can avoid metallic ground 102 directly to contact with metallic cavity 30, and then the generation of intermodulation can be avoided, make the performance of described phase shifter 100 better.
Optionally, coaxial cable 20 has two at least, and every two coaxial cables 20 connect same metallic ground block 102.
Exemplary, according to actual needs, phase shifter 100 can adopt the mode of multiple-input and multiple-output, the metallic ground block 102 of each ground structure 10 can connect one or two coaxial cables 20 simultaneously, consider, optionally, see Fig. 2 from cost-saving angle, a metallic cavity 30 arranges multiple ground structure 10, and the metallic ground block 102 of each ground structure 10 connects two coaxial cables 20 respectively.Such as, phase shifter 100 adopts 1 to input 15 modes exported, metallic cavity 30 is arranged 8 ground structures 10, the metallic ground block 102 of each ground structure 10 connects two coaxial cables 20 respectively, wherein a coaxial cable 20 is for input electrical signal, and other 15 coaxial cables 20 are for exporting the signal of telecommunication.
See Fig. 2, optionally, 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, the probability that different coaxial cable 20 is intersected reduces, so reduce signal coupling between different coaxial cable 20, thus improves the performance of phase shifter 100.And wire structures is more attractive in appearance when being arranged on by ground structure 10 on the long side of phase shifter 100 length.
Optionally, when ground structure 10 is at least two and is even number, ground structure 10 can be symmetrically distributed on two large sides of phase shifter 100 length.
Exemplary, ground structure 10, can be symmetrical or to be asymmetricly distributed on two large sides of phase shifter 100 length according to actual needs, consider from the aesthetic measure of wire structures, preferably, see Fig. 2, when ground structure 10 is at least two and is even number, ground structure 10 can be symmetrically distributed on two large sides of phase shifter 100 length, such as, 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, the metallic ground block 102 being positioned at the same side of phase shifter 100 connects same metal connecting piece 101.See Fig. 2, four the metallic ground blocks 102 being positioned at phase shifter 100 the same side connect same metal connecting piece 101 respectively, can reduce manufacturing procedure like this.
In addition, phase shifter 100 can comprise the double layer of metal cavity 30 overlapped, optionally, can jointly connect a metal connecting piece 101 in the junction of the same side of double layer of metal cavity 30, be respectively arranged with the metallic ground block be 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 present invention provides, by metal connecting piece 101 connection metal cavity 30 and metallic ground block 102 respectively, realize metallic cavity 30 and coaxial cable 20 and metallic ground block 102 altogether, such that the ground structure of phase shifter 100 is simple, easy to process, topology layout is more reasonable.The ground structure solving phase shifter in prior art is complicated, and manufacturing procedure is complicated, and processing cost is high, the problem of phase shifter poor stability.
See Fig. 3, be the structural representation of a kind of antenna 80 that the embodiment of the present invention provides, comprise:
Antenna element 200, for electromagnetic radiation wave beam;
And any one phase shifter 100 described in the above-described embodiment to be connected with antenna element 200, for regulating the angle of the electromagnetic beam of described antenna element 200 radiation.
The antenna 80 that the embodiment of the present invention provides, comprise phase shifter 100, this phase shifter 100 is by metal connecting piece connection metal cavity and metallic ground block respectively, realize metallic cavity and coaxial cable and metallic ground block altogether, make the ground structure of phase shifter simple, easy to process, and then make the structure of antenna 80 simple, easy to process, cost reduces, and topology layout is more reasonable.The ground structure solving phase shifter in prior art is complicated, and manufacturing procedure is complicated, and processing cost is high, and the antenna structure that phase shifter poor stability causes is complicated, the problem of manufacturing procedure complexity and poor stability.
See Fig. 4, be the structural representation of a kind of base station 90 that the embodiment of the present invention provides, comprise: the antenna 80 described in above-described embodiment.
The base station 90 that the embodiment of the present invention provides, comprise antenna 80, this antenna 80 comprises phase shifter, this phase shifter, by metal connecting piece connection metal cavity and metallic ground block respectively, realizes metallic cavity and coaxial cable and metallic ground block altogether, makes the ground structure of phase shifter simple, easy to process, and then make the structure of base station 90 simple, easy to process, cost reduces, and topology layout is more reasonable.The ground structure solving phase shifter in prior art is complicated, and manufacturing procedure is complicated, and processing cost is high, and the architecture of base station that 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 realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, 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 (9)
1. a phase shifter, is characterized in that, comprising: metal connecting piece, metallic ground block, coaxial cable and metallic cavity, wherein,
Described metallic ground block is electrically connected with the outer conductor of described coaxial cable, described metal connecting piece and described metallic cavity one-body molded, described metal connecting piece is connected with described metallic ground block;
Described metallic ground block and described metal connecting piece are positioned at the outside of the same side of described metallic cavity;
Be provided with conductor in described metallic cavity, the inner wire of described coaxial cable is electrically connected with the conductor in described metallic cavity.
2. phase shifter according to claim 1, is characterized in that, described metal connecting piece is sheet, and the surface of described metal connecting piece is connected with described metallic ground block.
3. the phase shifter according to any one of claim 1-2, is characterized in that, is provided with conductor in described metallic cavity, and described coaxial cable is through the sidewall of described metallic cavity, and the inner wire of described coaxial cable is electrically connected with the conductor in described metallic cavity.
4. phase shifter according to claim 3, is characterized in that,
The outer surface being positioned at the described metallic cavity of the inner wire of described coaxial cable and the conductor link position of described metallic cavity is provided with perforate.
5. phase shifter according to claim 1, is characterized in that,
Gap is provided with between described metallic ground block and described metallic cavity.
6. phase shifter according to claim 1, is characterized in that, described coaxial cable has two at least, and every two described coaxial cables connect same metallic ground block.
7. phase shifter according to claim 1, is characterized in that, described metallic ground block is at least two, and the metallic ground block being positioned at the same side of described phase shifter connects same metal connecting piece.
8. phase shifter according to claim 1, is characterized in that, described ground structure is positioned on the large side of described phase shifter length.
9. an antenna, is characterized in that, comprising:
Antenna element, for electromagnetic radiation wave beam;
And the phase shifter as described in any one of claim 1-8 to be connected with described antenna element, for regulating the angle of the electromagnetic beam of described antenna element radiation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510454981.1A CN105098298B (en) | 2012-09-25 | 2012-09-25 | A kind of phase shifter, antenna |
Applications Claiming Priority (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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| CN201210361218.0A Division CN102881963B (en) | 2012-09-25 | 2012-09-25 | Phase shifter and antenna |
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| CN105098298A true CN105098298A (en) | 2015-11-25 |
| CN105098298B CN105098298B (en) | 2018-12-14 |
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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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105720329A (en) * | 2016-03-23 | 2016-06-29 | 武汉虹信通信技术有限责任公司 | Phase shift for isolating heat transfer between welding point and large heat capacity cavity |
| CN111883880A (en) * | 2020-07-31 | 2020-11-03 | 武汉虹信科技发展有限责任公司 | Phase shifter and base station antenna |
Families Citing this family (5)
| 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 |
| CN105449328B (en) * | 2015-11-30 | 2018-09-07 | 华为技术有限公司 | A kind of interconnection 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 |
| CN111370814B (en) * | 2018-12-26 | 2021-12-17 | 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 |
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| CN105720329A (en) * | 2016-03-23 | 2016-06-29 | 武汉虹信通信技术有限责任公司 | Phase shift for isolating heat transfer between welding point and large heat capacity cavity |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102881963B (en) | 2015-07-08 |
| CN105098298B (en) | 2018-12-14 |
| CN102881963A (en) | 2013-01-16 |
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