CN201345404Y - Microwave directional coupler with crimp type connector - Google Patents
Microwave directional coupler with crimp type connector Download PDFInfo
- Publication number
- CN201345404Y CN201345404Y CNU2008203032019U CN200820303201U CN201345404Y CN 201345404 Y CN201345404 Y CN 201345404Y CN U2008203032019 U CNU2008203032019 U CN U2008203032019U CN 200820303201 U CN200820303201 U CN 200820303201U CN 201345404 Y CN201345404 Y CN 201345404Y
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- coupling bar
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Abstract
Disclosed is a microwave directional coupler with a crimp type connector, wherein a coupler body is a cavity structure, an air medium is filled in the cavity, an isolating terminal and a pair of coupling bars are disposed in the cavity, the body is externally connected with radio frequency connectors of an input end, an output end and a coupling end, and a cover plate is covered on the body. The microwave directional coupler with a crimp type connector is characterized in that the body is provided with bosses (1-1) at the positions of the three ports, stepped holes running through the cavity wall are arranged in the bosses (1-1), large through holes (1-2) are arranged close to the outer side of the cavity, small through holes (1-3) are arranged close to the inner side of the cavity, the tail portion of an outer conductor of a radio frequency connector (2) is in interference fit with the stepped holes, and a step (1-4) is formed between each boss (1-1) and the lateral wall of the body (1). The utility model has the advantages that the coupler has lower cost and better directivity, compensates discontinuity of the coupling bars, and resolves problems of transition between the connector and the coupling bars and the like well.
Description
Technical field
The utility model relates to the passive device in a kind of microwave communication device, more precisely is a kind of microwave directive coupler with compression connector.
Background technology
Along with the development of advanced information society, people are urgent day by day to the demand of radio communication.The microwave circuit system is the important component part of wireless communication system.The application of microwave directive coupler in the microwave circuit system is very extensive, and especially the smooth coupler of the degree of coupling is having important use aspect microwave signal extraction and the signal monitoring in the broadband.
Chinese patent literature ZL 200520140032.8 discloses a kind of stepped cavity directional coupler, input port is set respectively on the coupler body, output port, coupling port and isolated port, chamber body is the air dielectric chamber, transmission conduction band and coupling conduction band are arranged in the chamber, it is characterized in that adopting the coupling of narrow limit, the transmission conduction band at coupling position place is arranged on the same horizontal bedding with the coupling conduction band, between section rectangular transmission conduction band and coupling conduction band, coupling is formed between its relative narrow limit, transmission conduction band and coupling conduction band are up and down the air dielectric chamber of symmetry, and the cavity madial wall in air dielectric chamber is the stepped construction with different depth.Its weak point is: coupler is very high to the performance index requirement of device, as the selection of device material, and the transition between raising, connector and the coupling bar of the compensation that has the coupling bar discontinuity on the index of device, directivity etc.In addition, because this serial coupler application is very extensive, so as much as possible reducing cost.And described stepped cavity directional coupler is done in these areas obviously is not enough.
The utility model content
The utility model has remedied the deficiencies in the prior art part, provide that a kind of degree of coupling is smooth, high power capacity, low differential loss, cost is lower, directivity is more excellent, and compensated the coupling bar discontinuity and well solved the microwave directive coupler of the band compression connector of the problems such as transition between connector and the coupling bar.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of microwave directive coupler with compression connector, the coupler body is made as cavity body structure, it in the chamber air dielectric, and built-in isolation end and a pair of coupling bar, this external connection input, output, coupled end three end-fires are connector frequently, cover plate is covered on the body, it is characterized in that described body is provided with boss in three ports, be provided with stepped hole in the boss and connect the chamber wall, by the cavity outside is large through-hole, by the cavity inboard is small through hole, and the outer conductor afterbody of radio frequency connector and stepped hole are interference fit, and boss and body sidewall leave step.Adopt the cavity directional coupling structure, thereby utilize air not need to fill medium in kind as medium, realize coupling by coupling bar, cost reduces, inserts advantages such as loss is low, power capacity is big.Boss is set, and connector directly is crimped on boss
In the large through-hole, the connector that the more original flanged dish of cost is screwed is much lower, and with the direct crimping of hydraulic press, has improved production efficiency.Be provided with step, better tightness between body and the cover plate has reduced extraneous interference, has improved the directivity of coupler.
As preferred embodiment of the present utility model, the outer conductor afterbody of described radio frequency connector is made as the annular knurl structure, and sets up boss portion, and boss portion and small through hole are suitable, and outer conductor inside is set to stepped cavity and connects.The annular knurl structure is set, easier interlock in the time of crimping.Boss portion is set, makes that fixing of connector is more stable, it is compacter to make that also connector is connected with body.
As preferred embodiment of the present utility model, be separated with insulating barrier in the middle of described radio frequency connector outer conductor and the inner wire, insulating barrier is outside equipped with chimb and outer conductor inner step chamber is suitable, and the insulating barrier afterbody extends above boss portion, and the inner wire afterbody extends above insulating barrier.Chimb is set in stepped cavity, be difficult for slides in order better to fix insulating barrier, thus the indirect inner wire of having fixed.The rear portion all is provided with the part that grows, and purpose makes inner wire not contact with the chamber wall, also is connected between inner wire and the coupling bar easily.
As preferred embodiment of the present utility model, the upper side wall of cavity is provided with adjusting screw(rod) (4) near coupling bar inter-stage place.Purpose can slightly be regulated the coupling bar spacing, remedies that coupling bar spacing alignment error causes coupling error in the production.
As preferred embodiment of the present utility model, described coupling bar is set to the asymmetric parallel coupling of two-stage, and coupling bar (6) is welding with the connected mode of inner wire (11) protuberance.It has media supports, and strutting piece thickness equals coupling bar to chamber sidewall distance.The asymmetric parallel coupling bar of this design two-stage is in order to satisfy the requirement that obtains wideer frequency bandwidth, and media supports has guaranteed flat shape between coupling bar.
As preferred embodiment of the present utility model, described isolation end is made up of circuit board and built-in power resistance.Purpose is to make power capacity enough big, can bear enough big power to guarantee communication system.
As preferred embodiment of the present utility model, described cover plate is provided with the groove that matches with boss, and the screw place on the cover plate is provided with the semicircular opening groove.Purpose of design makes overall structure compact more attractive in appearance like this, also installs easily, saves material.
Useful effect of the present utility model is: adopt compression connector, built-in isolation end, make media supports with polytetrafluoroethylene, the kirsite coupling bar, adjusting screw(rod) etc. is set, make that this coupler cost is lower, directivity is more excellent, and compensated the coupling bar discontinuity and well solved problems such as transition between connector and the coupling bar.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model main body structure schematic diagram;
Fig. 3 is the body construction schematic diagram body before the unassembled device;
Fig. 4 is the three-view diagram of Fig. 3, and Fig. 4 A is a left view, and Fig. 4 B is a right view, and Fig. 4 C is a upward view;
Fig. 5 is the structural representation of the utility model connector;
Fig. 6 is the cutaway view of Fig. 5.
As scheming: main body 1 boss 1-1 large through-hole 1-2 small through hole 1-3 step 1-4 media supports 1-5 connector 2 input 2-1 output 2-2 coupled end 2-3 cover plates 3 semicircular opening groove 3-1 adjusting screw(rod)s 4 isolation ends 5 coupling bars 6 circuit boards 7 resistance 8 outer conductors 9 annular knurl structure 9-1 boss portion 10 inner wires, 11 insulating barriers 12
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.
As shown in Figure 1, have 3 grooves of embedding mutually on the cover plate 3 with corresponding 3 boss 1-1, embedding back shroud 3 can not be relatively and main body 1 slip, 5 groups of symmetry screw 3-1 places on the cover plate 3 all have the semicircular opening groove, one strip pit is arranged in the middle of the cover plate 3, also be provided with unidimensional strip pit on the back side of corresponding main body 1, cover plate 3 is die casting aluminium direct forming.
As Fig. 4, Fig. 5, shown in Figure 6, outer conductor 9 afterbodys of radio frequency connector 2 are made as annular knurl structure 9-1, and set up boss portion 10, when boss portion 10 installs and the small through hole 1-3 interference fit on the cavity wall, the stepped cavity that outer conductor 9 inside are set to connect, insulating barrier 12 and inner wire 11 are built in wherein, connector 2 outer conductors 9 and the inner wire 11 middle insulating barriers 12 that are separated with, insulating barrier 12 is outside equipped with chimb and withstand in outer conductor 9 inner step chambeies, anti-sliding stop, insulating barrier 12 rear portions extend above boss portion 10, and inner wire 11 rear portions extend above insulating barrier 12, after the connector crimping was finished, it is existing in cavity that insulating barrier 12 and inner wire 11 all lean out small through hole 1-3.
As Fig. 2, shown in Figure 4, coupler body 1 is designed to cavity body structure die casting aluminium direct forming, is air dielectric in the chamber; Body 1 outer input 2-1, output 2-2, the equal crimping radio frequency connector 2 of coupled end 2-3 three ends of being provided with, body 1 is provided with boss 1-1 in three ports, be provided with stepped hole among the boss 1-1 and connect the chamber wall, by the cavity outside is large through-hole 1-2, by the cavity inboard is small through hole 1-3, fastens in main body 1 with the direct crimp connector 2 of hydraulic press, and annular knurl structure 91 is buckled among the large through-hole 1-2, boss portion 10 is buckled among the small through hole 1-3, and boss 1-1 and body 1 sidewall leave step 1-4; Isolation end 5 is built in wherein, is made up of circuit board 7 and built-in power resistance 8, fixes with screw.A pair of coupling bar 6 is shaped for the kirsite rheo-die-casting, adopts the asymmetric parallel coupling of two-stage, utilizes the coupling of narrow limit, and PTFE medium strutting piece 1-5, strutting piece 1-5 thickness equal coupling bar 6 to chamber sidewall distance, so that guarantee that coupling bar 6 is parallel; The good connector of crimping 2 back inner wires 11 are that to lean out small through hole 1-3 existing in cavity, and scolding tin adopts Pb-free solder, inner wire scolding tin on the silver-plated kirsite coupling bar 6 of appearance.The upper side wall of cavity is provided with adjusting screw(rod) 4 near coupling bar inter-stage place, the hole that sidewall has an internal thread be provided with externally threaded adjusting screw(rod) 4 interlocks, be enclosed within on 4 of the adjusting screw(rod)s with polytetrafluoroethylene.
Above-described only is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not breaking away under the technical characterictic prerequisite of the utility model important improvement; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (7)
1. microwave directive coupler with compression connector, the coupler body is made as cavity body structure, it in the chamber air dielectric, and built-in isolation end and a pair of coupling bar, this external connection input, output, coupled end three end-fires are connector frequently, cover plate is covered on the body, it is characterized in that, described body (1) is provided with boss (1-1) in three ports, being provided with stepped hole in the boss (1-1) and connecting the chamber wall, is large through-hole (1-2) by the cavity outside, is small through hole (1-3) by the cavity inboard, outer conductor (9) afterbody and the stepped hole of radio frequency connector (2) are interference fit, and boss (1-1) leaves step (1-4) with body (1) sidewall.
2. the microwave directive coupler of band compression connector according to claim 1, it is characterized in that, outer conductor (9) afterbody of described radio frequency connector (2) is made as annular knurl structure (9-1), and set up boss portion (10), boss portion (10) is suitable with small through hole (1-3), and outer conductor (9) inside is set to stepped cavity and connects.
3. the microwave directive coupler of band compression connector according to claim 1 and 2, it is characterized in that, described radio frequency connector (2) outer conductor (9) and the middle insulating barrier (12) that is separated with of inner wire (11), insulating barrier (12) is outside equipped with chimb and outer conductor (9) inner step chamber is suitable, insulating barrier (12) afterbody extends above boss portion (10), and inner wire (11) afterbody extends above insulating barrier (12).
4. the microwave directive coupler of band compression connector according to claim 3 is characterized in that, the upper side wall of cavity is provided with adjusting screw(rod) (4) near coupling bar inter-stage place.
5. the microwave directive coupler of band compression connector according to claim 1, it is characterized in that, described coupling bar (6) is set to the asymmetric parallel coupling of two-stage, coupling bar (6) is welding with the connected mode of inner wire (11) protuberance, it has media supports (1-5), and strutting piece (1-5) thickness equals coupling bar (6) to chamber sidewall distance.
6. the microwave directive coupler of band compression connector according to claim 1 is characterized in that, described isolation end (5) is made up of circuit board (7) and built-in power resistance (8).
7. the microwave directive coupler of band compression connector according to claim 1 is characterized in that, described cover plate (3) is provided with the groove that matches with boss (1-1), and the screw place on the cover plate (3) is provided with semicircular opening groove (3-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203032019U CN201345404Y (en) | 2008-12-08 | 2008-12-08 | Microwave directional coupler with crimp type connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203032019U CN201345404Y (en) | 2008-12-08 | 2008-12-08 | Microwave directional coupler with crimp type connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201345404Y true CN201345404Y (en) | 2009-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203032019U Expired - Fee Related CN201345404Y (en) | 2008-12-08 | 2008-12-08 | Microwave directional coupler with crimp type connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201345404Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903993A (en) * | 2011-06-03 | 2013-01-30 | 深圳光启高等理工研究院 | Directional coupler |
| CN102956950A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | Metamaterial-based directional coupler |
| CN104022323A (en) * | 2014-05-19 | 2014-09-03 | 镇江市明基电子有限公司 | Low-intermodulation coupler cavity |
| CN104979611A (en) * | 2015-07-29 | 2015-10-14 | 胡雨思 | Adjustable directional coupler |
| CN104993206A (en) * | 2015-07-29 | 2015-10-21 | 胡雨思 | Miniaturized directional coupler |
| CN106384866A (en) * | 2016-11-28 | 2017-02-08 | 北京北广科技股份有限公司 | Improved box type ceramic directional coupler |
| CN106910969A (en) * | 2017-04-25 | 2017-06-30 | 四川省韬光通信有限公司 | A kind of Medium Wave Guide coupled structure and multistage dielectric waveguide filter |
| CN112072254A (en) * | 2020-09-09 | 2020-12-11 | 合肥海特微波科技有限公司 | Miniaturized multi-step cavity broadband 5G coupler |
| CN115101913A (en) * | 2022-07-25 | 2022-09-23 | 河北优圣通信科技有限公司 | Direct current coupler |
-
2008
- 2008-12-08 CN CNU2008203032019U patent/CN201345404Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903993A (en) * | 2011-06-03 | 2013-01-30 | 深圳光启高等理工研究院 | Directional coupler |
| CN102903993B (en) * | 2011-06-03 | 2015-01-21 | 深圳光启高等理工研究院 | Directional coupler |
| CN102956950A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | Metamaterial-based directional coupler |
| CN104022323A (en) * | 2014-05-19 | 2014-09-03 | 镇江市明基电子有限公司 | Low-intermodulation coupler cavity |
| CN104979611A (en) * | 2015-07-29 | 2015-10-14 | 胡雨思 | Adjustable directional coupler |
| CN104993206A (en) * | 2015-07-29 | 2015-10-21 | 胡雨思 | Miniaturized directional coupler |
| CN106384866A (en) * | 2016-11-28 | 2017-02-08 | 北京北广科技股份有限公司 | Improved box type ceramic directional coupler |
| CN106910969A (en) * | 2017-04-25 | 2017-06-30 | 四川省韬光通信有限公司 | A kind of Medium Wave Guide coupled structure and multistage dielectric waveguide filter |
| CN112072254A (en) * | 2020-09-09 | 2020-12-11 | 合肥海特微波科技有限公司 | Miniaturized multi-step cavity broadband 5G coupler |
| CN115101913A (en) * | 2022-07-25 | 2022-09-23 | 河北优圣通信科技有限公司 | Direct current coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091111 Termination date: 20131208 |