CN201708240U - Broadband electric bridge - Google Patents
Broadband electric bridge Download PDFInfo
- Publication number
- CN201708240U CN201708240U CN2010202116461U CN201020211646U CN201708240U CN 201708240 U CN201708240 U CN 201708240U CN 2010202116461 U CN2010202116461 U CN 2010202116461U CN 201020211646 U CN201020211646 U CN 201020211646U CN 201708240 U CN201708240 U CN 201708240U
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- CN
- China
- Prior art keywords
- electric bridge
- bridge body
- broadband
- cover plate
- inner wire
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Abstract
The utility model discloses a broadband electric bridge, which comprises an electric bridge body, a cover plate, inner conductors and four joints, wherein the electric bridge body is provided with a chamber, the cover plate is sealed and fixed to the electric bridge body, the inner conductors are disposed in the chamber, and the joints are penetratingly arranged on the electric bridge body and connected with the inner conductors. Two sides of the electric bridge are respectively provided with two joints, the two inner conductors are crossed and fixed via an insulation part, and two ends of each inner conductor are respectively connected to two joints located at a diagonal position. The inner conductors in the electric bridge are crossed and fixedly connected and then fixedly connected with the four joints by means of crossing coupling to realize power distribution of the electric bridge, thereby realizing low insertion loss, high power and fine electric performance, enabling third order intermodulation index to meet requirements lower than -150 dBc by more than 98% and achieving strong practicability.
Description
Technical field
The utility model belongs to wireless telecommunications device technology field, more particularly, relates to a kind of broadband electric bridge.
Background technology
The wideband electric bridge is a kind of signal deciliter road device of wireless telecommunications system, and its basic function is exactly deciliter signal of two frequency bands, and passes through with minimal losses, reduces the communication network cost.Along with the development of mobile communication technology, speed and bandwidth requirement are higher, and also tighter to the communication network requirement, wherein third order intermodulation is an important index.Existing electric bridge is made up of structural members such as chamber, radio-frequency joint, inner wires, and wherein inner wire is set in parallel in the chamber and with radio-frequency joint and is connected.The bridge structure that above-mentioned inner wire be arranged in parallel, it is poor to insert loss and third order intermodulation index, when realizing that passband is the signal deciliter road of 800MHz～2500MHz, third order intermodulation generally can only satisfy-120dBc～-130dBc, overall qualification rate is not high, the requirement of high performance communication network can not be satisfied, the demand for development of follow-up 4G, 5G can not be satisfied.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of insertion loss little, electrical performance indexes good broadband electric bridge.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of broadband electric bridge is provided, it comprises an electric bridge body with chamber, be sealingly fastened in cover plate on the electric bridge body, be located at the inner wire in the described chamber and be arranged on the electric bridge body and the joint that is connected with described inner wire, described joint is four, be provided with two in each correspondence of the both sides of electric bridge body, described inner wire is two, and the two ends of fixing each inner wire of back by insulating part intersection are connected on two joints that are positioned at diagonal position.
Further, the both sides of described electric bridge body one-body molded respectively have can hold the socket that described joint penetrates described chamber.
Further, described joint is provided with water proof ring.
Further, the two ends of described inner wire are connected and fixed by screw and described joint respectively, and described screw surface is silver coated.
Particularly, the corresponding screw that is provided with on described electric bridge body and the described cover plate, described electric bridge body is connected by the screw that screws in described corresponding screw with cover plate.
Further, described cover plate and described electric bridge body mating surface are provided with a groove, are provided with the water proof ring that can snap in described groove between described electric bridge body and the described cover plate.
Further, described insulating part is a plastic cement screw.
In the utility model, intersect the inner wire in the electric bridge fixedly connected, fixedly connected with four joints again when realizing the electric bridge power division by this cross-couplings, the insertion loss is little, high power, electrical property is good, and the third order intermodulation index can satisfy the requirement less than-150dBc more than 98%, practical.
Description of drawings
Fig. 1 is the vertical view of the broadband electric bridge that provides of the utility model;
Fig. 2 is the vertical view after broadband electric bridge that the utility model provides is removed cover plate;
Fig. 3 is that socket and joint are installed cross-sectional schematic in the broadband electric bridge that provides of the utility model;
Fig. 4 is the upward view of the broadband electric bridge cover plate that provides of the utility model;
Fig. 5 is the installation cutaway view of electric bridge body and cover plate in the broadband electric bridge that provides of the utility model.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
With reference to Fig. 1, Fig. 2, a kind of low intermodulation broadband electric bridge that provides for the utility model, it comprises an electric bridge body 1 with chamber 11, be sealingly fastened in cover plate 2 on the electric bridge body 1, be located at the inner wire 3 in the described chamber 11 and be arranged on the electric bridge body 1 and the joint 4 that is connected with described inner wire 3, described joint 4 is four, be provided with two in each correspondence of the both sides of electric bridge body 1, described inner wire 3 is two, and the two ends of fixing each inner wire 3 of back by an insulating part 5 intersections are connected on two joints 4 that are positioned at diagonal position.In the utility model, intersect the inner wire in the electric bridge fixedly connected, fixedly connected with four joints again when realizing the electric bridge power division by this cross-couplings, the insertion loss is little, high power, electrical property is good, and the third order intermodulation index can satisfy the requirement less than-150dBc more than 98%, practical.
Below each part of the utility model is further described.
With reference to Fig. 2, Fig. 3, described electric bridge body 1 is a rectangular box structure, and the chamber 11 that has in it is rectangular shape.The both sides of described electric bridge body 1 longer edges are respectively equipped with the socket 12 with described chamber 11 perforations.Described joint 4 stretches in the described chamber 11 by described socket 12.Described joint 4 is provided with the water proof ring (not shown) that improves sealing and water proofing property.In the present embodiment, described electric bridge body 1 adopts aluminium alloy one die cast with socket 12.The electric bridge body 1 internal structure precision height that adopts this mode to produce, high conformity, and cost is low when producing in batches.But simultaneously, behind the die cast, the chamber 11 of electric bridge body 1 has 1 ° pattern draft, this moment cavity is carried out corresponding postorder and handles, and make its electrical performance indexes that satisfies electric bridge integral body, and the design of concrete electrical property is decided by concrete condition.The impedance transformer that described inner wire 3 forms for the warp cutting, port Impedance respectively is 50 Ω.The insulating part 5 that connects two inner wires 3 is a plastic screw 51, after fixing by plastic screw 51 intersections, two inner wires 3 are " X " shape, the two ends of each inner wire 3 are again respectively with fixing by screw 6 by being positioned at the joint 4 that electric bridge body 1 diagonal positions place socket 12 stretches into, simultaneously for satisfying requirement on electric performance, silver coated (not shown) on the described screw 6.In the present embodiment, described inner wire 3 is gone back milling manufacturing of available metal sheet or rheo-die-casting moulding, and its shape can be setting according to the relevant parameters such as bandwidth of the low intermodulation wideband electric bridge of reality.
With reference to Fig. 1, Fig. 2, Fig. 4, described electric bridge body 1 is provided with screw 7 with described cover plate 2 correspondence positions, and described electric bridge body 1 is fixedlyed connected by the screw 6 that screws in described corresponding screw 7 with cover plate 2.
Further, with reference to Fig. 4, Fig. 5, in the present embodiment, described cover plate 2 is provided with a groove 21 with described electric bridge body 1 mating surface, is provided with the water proof ring (not shown) that can snap in described groove 21 between described electric bridge body 1 and the described cover plate 2.By water proof ring is set, guaranteed the excellent sealing between cover plate 2 and the electric bridge body 1, improved classification of waterproof.
To sum up, the broadband electric bridge that this enforcement is novel, assembling is simple, and need not debugging after the assembling can use, the production efficiency height, the fixedly connected structure of while inner wire intersection, the insertion loss is little, high power, wideband section, electrical property is good, satisfies mobile communications operator's various index requests.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (7)
1. broadband electric bridge, comprise an electric bridge body with chamber, be sealingly fastened in cover plate on the electric bridge body, be located at the inner wire in the described chamber and be arranged on the electric bridge body and the joint that is connected with described inner wire, it is characterized in that: described joint is four, be provided with two in each correspondence of the both sides of electric bridge body, described inner wire is two, and the two ends of fixing each inner wire of back by insulating part intersection are connected on two joints that are positioned at diagonal position.
2. a kind of broadband as claimed in claim 1 electric bridge is characterized in that: the both sides of described electric bridge body are one-body molded respectively to be had and can hold the socket that described joint penetrates described chamber.
3. a kind of broadband as claimed in claim 1 or 2 electric bridge, it is characterized in that: described joint is provided with water proof ring.
4. a kind of broadband as claimed in claim 1 or 2 electric bridge is characterized in that: the two ends of described inner wire are connected and fixed by screw and described joint respectively, and described screw surface is silver coated.
5. a kind of broadband as claimed in claim 1 electric bridge is characterized in that: the corresponding screw that is provided with on described electric bridge body and the described cover plate, described electric bridge body is connected by the screw that screws in described corresponding screw with cover plate.
6. a kind of broadband as claimed in claim 1 electric bridge is characterized in that: described cover plate and described electric bridge body mating surface are provided with a groove, are provided with the water proof ring that can snap in described groove between described electric bridge body and the described cover plate.
7. a kind of broadband as claimed in claim 1 electric bridge is characterized in that: described insulating part is a plastic cement screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202116461U CN201708240U (en) | 2010-06-01 | 2010-06-01 | Broadband electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202116461U CN201708240U (en) | 2010-06-01 | 2010-06-01 | Broadband electric bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201708240U true CN201708240U (en) | 2011-01-12 |
Family
ID=43445394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202116461U Expired - Fee Related CN201708240U (en) | 2010-06-01 | 2010-06-01 | Broadband electric bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201708240U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403559A (en) * | 2011-11-16 | 2012-04-04 | 合肥威科电子技术有限公司 | Low intermodulation air medium bridge group for communication |
| CN103928737A (en) * | 2014-03-27 | 2014-07-16 | 武汉虹信通信技术有限责任公司 | Wideband four-input four-output electric bridge |
| CN108695582A (en) * | 2018-06-20 | 2018-10-23 | 深圳市深大唯同科技有限公司 | A kind of integrated coaxial line broadband cross device of medium |
| CN109066035A (en) * | 2018-08-06 | 2018-12-21 | 安徽禄讯电子科技有限公司 | A kind of strip line not equal part power splitter |
| CN118659108A (en) * | 2024-08-19 | 2024-09-17 | 南京纳特通信电子有限公司 | High-power bridge synthesizer, design method and assembly method |
-
2010
- 2010-06-01 CN CN2010202116461U patent/CN201708240U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403559A (en) * | 2011-11-16 | 2012-04-04 | 合肥威科电子技术有限公司 | Low intermodulation air medium bridge group for communication |
| CN103928737A (en) * | 2014-03-27 | 2014-07-16 | 武汉虹信通信技术有限责任公司 | Wideband four-input four-output electric bridge |
| CN108695582A (en) * | 2018-06-20 | 2018-10-23 | 深圳市深大唯同科技有限公司 | A kind of integrated coaxial line broadband cross device of medium |
| CN108695582B (en) * | 2018-06-20 | 2024-02-06 | 中天宽带技术有限公司 | Dielectric integrated coaxial line broadband cross device |
| CN109066035A (en) * | 2018-08-06 | 2018-12-21 | 安徽禄讯电子科技有限公司 | A kind of strip line not equal part power splitter |
| CN118659108A (en) * | 2024-08-19 | 2024-09-17 | 南京纳特通信电子有限公司 | High-power bridge synthesizer, design method and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20150601 |
|
| EXPY | Termination of patent right or utility model |