CN202737077U - Directional coupler - Google Patents
Directional coupler Download PDFInfo
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- CN202737077U CN202737077U CN 201220209429 CN201220209429U CN202737077U CN 202737077 U CN202737077 U CN 202737077U CN 201220209429 CN201220209429 CN 201220209429 CN 201220209429 U CN201220209429 U CN 201220209429U CN 202737077 U CN202737077 U CN 202737077U
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- connector
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- mobile jib
- fixed mount
- directional coupler
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Abstract
The utility model discloses a directional coupler. The directional coupler comprises a cavity, a first connector, a second connector, a third connector, a cavity plate, a main rod and an auxiliary rod, wherein the cavity plate covers the cavity, the main rod is parallel with the auxiliary rod and arranged in the cavity along the direction in parallel with the side wall of the cavity; also comprises a fixation rack sleeved on the main rod and the auxiliary rod, wherein screw threads are arranged on the two ends of the main rod, and two ends of the main rod are screwed with the first connector and the second connector. The directional coupler has features of high isolation degree, good three-order intermodulation, accordance with ROSH standard, low production cost, strong reliability, relatively good practicability, and large-scale production.
Description
Technical field
The utility model relates to the mobile communication technology field, relates in particular to a kind of directional coupler, is mainly used in the mobile communication cell net.
Background technology
Directional coupler is a kind of general microwave/millimeter wave parts, can be used for isolation, separation and the mixing of signal, such as monitoring, source power output fixed ampllitude, signal source isolation, the transmission of power and the sweep check of reflecting etc.Directional coupler is made of transmission line, and coaxial line, rectangular waveguide, circular waveguide, strip line and microstrip line all can consist of directional coupler, so of a great variety from the structure directional coupler, widely different.But mainly be divided into four kinds from its coupled structure, i.e. aperture coupling, parallel coupling, branch's coupling and coupling double T.The principle of directional coupler is that the power that transmits in the main line is coupled to by-pass by number of ways, and interfere with each other and in by-pass only along a direction transmission.
On December 23rd, 2009, disclosed Chinese patent CN201369382Y disclosed a kind of cavity directional coupler, it comprises that mainly cavity, three connectors, the first conductor that is parallel to each other, the second conductor, cavitys cover, the end walls of described cavity is fixed with respectively described two connectors, is fixed with the 3rd connector on the sidewall of cavity; Described the first conductor, the second conductor are along parallel being arranged in the cavity of cavity wall direction; Be provided with three decks on another sidewall of described cavity, three decks are respectively equipped with fluting, and described the first conductor, the second conductor are connected with the deck cassette by described fluting respectively.There is following defective at least in above-mentioned patent:
1, the first conductor and the second conductor are approximate rectangular strip, and the two ends of the first conductor connect respectively two connectors by the form of welding usually.Because the volume of the first conductor and connector is little and the first conductor is positioned at the impact of the factors such as cavity, deviation easily appears when the first conductor and connector welding, affect the processing of signal, and the dismounting of the first conductor after the welding and the second conductor is inconvenient, difficult in maintenance.
2, the sidewall at cavity arranges a plurality of decks, and by difference clamping the first conductor of the fluting on the deck and the second conductor.Because deck is to be stuck in the cavity in the groove of two relative sidewalls, during the vibration of cavity finder, deck can teetertotter in above-mentioned groove, and then make bumping of deck and the first conductor and the second conductor, the possibility of result of collision damages the processing that the first conductor and the second conductor directly affect signal, makes the degree reduction of its consistency and reliability; And groove a plurality of and that deck is suitable need be set on the sidewall of cavity, and cause the complex structure of cavity directional coupler, improved the difficulty of its suitability for industrialized production, practicality reduces.
The utility model content
The technical problem that the utility model mainly solves is the Welding Structure of the first conductor and connector and affected its processing and reliability to signal at the interface arrangment of the deck of cavity and groove and the first conductor, the second conductor in the cavity directional coupler in the prior art, has proposed a kind of directional coupler.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of directional coupler is provided, comprise cavity, the first connector, the second connector, the 3rd connector, the cavity plate, mobile jib and secondary bar, be stamped the cavity plate on the described cavity, described mobile jib is parallel to each other with secondary bar and is arranged in the cavity along the direction parallel with cavity wall, the two ends of described cavity are fixedly connected with respectively the first connector, the second connector, one sidewall of described cavity is fixedly connected with the 3rd connector, the two ends of described mobile jib are fixedly connected with respectively the first connector, the second connector, one end of described secondary bar connects the 3rd connector, also comprise fixed mount, described fixed mount is socketed on mobile jib and the secondary bar, the end at described mobile jib two ends is equipped with screw thread, and the two ends of described mobile jib are threaded with the first connector and the second connector.
Wherein, an end of described fixed mount is provided with through hole, and described secondary bar cross-under is in the through hole, and the end of the described fixed mount other end is provided with U-shaped opening, and described mobile jib is sticked in U-shaped opening part.
Wherein, the bottom of described cavity also is provided with groove and stopper slot, and described fixed mount comprises the first fixed mount and the second fixed mount that is positioned at mobile jib and secondary bar two ends, and described the first fixed mount is supported recess sidewall, and described the second fixed mount is sticked in the described stopper slot.
Wherein, the end at described mobile jib two ends is equipped with external screw thread, and described the first connector and the second connector are equipped with the internal thread adaptive with described external screw thread.
Wherein, the shape of described mobile jib and secondary bar is cylindric.
Wherein, comprise that also one is fixed in the resistance of cavity wall end, described resistance is electrically connected the secondary boom end near the second connector.
Wherein, described cavity plate is provided with circular hole, and described cavity is provided with the screw of internal thread, and screw passes circular hole and cooperates with screw described cavity plate and cavity are fixed.
Useful technique effect of the present utility model is: be different from the prior art Welding Structure of the first conductor and connector in the cavity directional coupler and affected its processing to signal at the interface arrangment of the deck of cavity and groove and the first conductor, the second conductor, a kind of directional coupler of the utility model, employing arranges fixed mount at mobile jib and secondary bar, and define mobile jib and secondary bar relative position by fixed mount, when directional coupler vibrated, fixed mount and mobile jib and secondary bar vibrated simultaneously.Fixed mount is little to the collision active force of mobile jib and secondary bar, and mobile jib and secondary bar are not fragile, to improve the reliability of coupler.In addition, also adopt and screw thread is set in the end, two ends of mobile jib and is fixedly connected with the first connector and the second connector by screw thread, fixed effect is better, and easily dismounting, be convenient to safeguard, the main contraposition that makes mobile jib and the first connector and the second connector is accurate, need not to add tuning plug and regulates the mobile jib position, can further improve its reliability of coming across.In sum, the utlity model has that degree of isolation is high, third order intermodulation good, meet the characteristics of ROSH standard, satisfy simultaneously that production cost is low, reliability is strong, have better practicality, can produce on a large scale.
Description of drawings
Fig. 1 is the structural representation of the utility model directional coupler;
Fig. 2 is the structural representation of the utility model one embodiment.
Label declaration:
The 1-cavity, 2-cavity plate, 31-the first connector, 32-the second connector, 33-the 3rd connector, 4-mobile jib, the secondary bar of 5-, 61-the first fixed mount, 62-the second fixed mount, 7-stopper slot, 8-groove, 9-resistance.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, being realized purpose and effect, below in conjunction with execution mode and cooperate accompanying drawing to give in detail explanation.
See also Fig. 1, the directional coupler of present embodiment, comprise cavity 1, the first connector 31, the second connector 32, the 3rd connector 33, cavity plate 2, mobile jib 4 and secondary bar 5, mobile jib 4 is parallel to each other with secondary bar 5, be stamped cavity plate 2 on the described cavity 1, described mobile jib 4 and secondary bar 5 are arranged in the cavity 1 along the direction with cavity 1 parallel sidewalls, the two ends of described cavity 1 are fixedly connected with respectively the first connector 31, the second connector 32, one sidewall of described cavity 1 is fixedly connected with the 3rd connector 33, the two ends of described mobile jib 4 are fixedly connected with respectively the first connector 31, the second connector 32, one end of described secondary bar 5 connects the 3rd connector 33, above-mentioned coupler also comprises fixed mount, described fixed mount is socketed on mobile jib 4 and the secondary bar 5, described mobile jib 4 and secondary bar 5 are fixedly connected with by fixed mount, the end at described mobile jib 4 two ends is equipped with screw thread, and the two ends of described mobile jib 4 are threaded with the first connector 31 and the second connector 32.Mobile jib 4 is connected by fixed mount with secondary bar 5 and mobile jib 4 and the first connector 31 and the second connector 32 are spirally connected, and can guarantee coupler reliability in use.
Consult Fig. 2, in a specific embodiment, an end of described fixed mount is provided with through hole, and described secondary bar 5 cross-under are in the through hole, and the end of the described fixed mount other end is provided with U-shaped opening, and described mobile jib 4 is connected in U-shaped opening part.Concrete, the bottom of described cavity 1 also is provided with groove 8 and stopper slot 7, described fixed mount comprises the first fixed mount 61 and the second fixed mount 62 that is positioned at mobile jib 4 and secondary bar 5 two ends, described the first fixed mount 61 is supported groove 8 sidewalls, limit the first fixed mount 61 along the axial motion of mobile jib 4 with secondary bar 5, described the second fixed mount 62 is fastened in the described stopper slot 7, limits the axial motion that the second fixed mount 62 prolongs mobile jib 4 and secondary bar 5.The end at described mobile jib 4 two ends is equipped with external screw thread, described the first connector 31 and the second connector 32 are equipped with the internal thread adaptive with described external screw thread, in addition, the end at described mobile jib 4 two ends is equipped with internal thread, and it also is feasible scheme that described the first connector 31 and the second connector 32 are equipped with the adaptive external screw thread of described internal thread.Described mobile jib 4 is cylindric with the shape of secondary bar 5.Comprise also in the above-mentioned directional coupler that one is fixed in the resistance 9 of cavity 1 sidewall end, secondary bar 5 ends that described resistance 9 is electrically connected near the second connector 32.Described cavity plate 2 is provided with a plurality of circular holes, a plurality of circular holes are arranged on the extension week side of ash wall body plate, described cavity 1 is provided with the screw of internal thread, screw passes circular hole and cooperates described cavity plate 2 fixing with cavity 1 with screw, good sealing effect prevents that effectively extraneous dust from entering the coupling effect that affects directional coupler.
The utility model is different from the prior art Welding Structure of the first conductor and connector in the cavity directional coupler and has affected its processing to signal at the interface arrangment of the deck of cavity and groove and the first conductor, the second conductor, a kind of directional coupler of the utility model, employing is fixed by socket frame at mobile jib and secondary bar, and define mobile jib and secondary bar relative position by fixed mount, when directional coupler vibrated, fixed mount and mobile jib and secondary bar vibrated simultaneously.Fixed mount is little to the collision active force of mobile jib and secondary bar, and mobile jib and secondary bar are not fragile, to improve the reliability of coupler.In addition, also adopt and screw thread is set in the end, two ends of mobile jib and is fixedly connected with the first connector and the second connector by screw thread, fixed effect is better, and easily dismounting, be convenient to safeguard, the main contraposition that makes mobile jib and the first connector and the second connector is accurate, need not to add tuning plug and regulates the mobile jib position, can further improve its reliability of coming across.In sum, the utlity model has that degree of isolation is high, third order intermodulation good, meet the characteristics of ROSH standard, satisfy simultaneously that production cost is low, reliability is strong, have better practicality, can produce on a large scale.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. directional coupler, comprise cavity, the first connector, the second connector, the 3rd connector, the cavity plate, mobile jib and secondary bar, be stamped the cavity plate on the described cavity, described mobile jib is parallel to each other with secondary bar and is arranged in the cavity along the direction parallel with cavity wall, the two ends of described cavity are fixedly connected with respectively the first connector, the second connector, one sidewall of described cavity is fixedly connected with the 3rd connector, the two ends of described mobile jib are fixedly connected with respectively the first connector, the second connector, one end of described secondary bar connects the 3rd connector, it is characterized in that, also comprise fixed mount, described fixed mount is socketed on mobile jib and the secondary bar, the end at described mobile jib two ends is equipped with screw thread, and the two ends of described mobile jib are threaded with the first connector and the second connector.
2. directional coupler according to claim 1 is characterized in that, an end of described fixed mount is provided with through hole, and described secondary bar cross-under is in the through hole, and the end of the described fixed mount other end is provided with U-shaped opening, and described mobile jib is connected in U-shaped opening part.
3. directional coupler according to claim 2, it is characterized in that, the bottom of described cavity also is provided with groove and stopper slot, described fixed mount comprises the first fixed mount and the second fixed mount that is positioned at mobile jib and secondary bar two ends, described the first fixed mount is supported recess sidewall, and described the second fixed mount is sticked in the described stopper slot.
4. directional coupler according to claim 1 is characterized in that, the end at described mobile jib two ends is equipped with external screw thread, and described the first connector and the second connector are equipped with the internal thread adaptive with described external screw thread.
5. directional coupler according to claim 1 is characterized in that, the shape of described mobile jib and secondary bar is cylindric.
6. directional coupler according to claim 1 is characterized in that, comprises that also one is fixed in the resistance of cavity wall end, and described resistance is electrically connected the secondary boom end near the second connector.
7. each described directional coupler is characterized in that according to claim 1～6, and described cavity plate is provided with circular hole, and described cavity is provided with the screw of internal thread, and screw passes circular hole and cooperates with screw described cavity plate and cavity are fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209429 CN202737077U (en) | 2012-05-10 | 2012-05-10 | Directional coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220209429 CN202737077U (en) | 2012-05-10 | 2012-05-10 | Directional coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202737077U true CN202737077U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220209429 Expired - Fee Related CN202737077U (en) | 2012-05-10 | 2012-05-10 | Directional coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202737077U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466331A (en) * | 2014-12-10 | 2015-03-25 | 安徽蓝麦通信科技有限公司 | Adjustment-free base station coupler |
| CN108987871A (en) * | 2018-08-30 | 2018-12-11 | 安徽禄讯电子科技有限公司 | A kind of coaxial line coupler |
-
2012
- 2012-05-10 CN CN 201220209429 patent/CN202737077U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466331A (en) * | 2014-12-10 | 2015-03-25 | 安徽蓝麦通信科技有限公司 | Adjustment-free base station coupler |
| CN108987871A (en) * | 2018-08-30 | 2018-12-11 | 安徽禄讯电子科技有限公司 | A kind of coaxial line coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAYANG TECHNOLOGY DEVELOPMENT CO., LTD. Free format text: FORMER NAME: SHENZHEN HUAYANG COMMUNICATION TECHNOLOGY CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Chiwan Shekou Shao Di Road No. 1 Chiwan Industrial Park E Building 1 floor Patentee after: Shenzhen Hua Yang Communications, Inc Address before: 518000 Guangdong city of Shenzhen province Nanshan District Shekou Shao Di Road No. 1 Chiwan Industrial Park E Building 1 floor Patentee before: Shenzhen Huayang Communication Technology Co., Ltd. |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHENZHEN HUAYANG COMMUNICATION TECHNOLOGY CO., LTD Free format text: FORMER NAME: HUAYANG TECHNOLOGY DEVELOPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Chiwan Shekou Shao Di Road No. 1 Chiwan Industrial Park E Building 1 floor Patentee after: Shenzhen Huayang Communication Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Chiwan Shekou Shao Di Road No. 1 Chiwan Industrial Park E Building 1 floor Patentee before: Shenzhen Hua Yang Communications, Inc |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |