CN101964487A - Phase-adjustable radio frequency coaxial connector - Google Patents
Phase-adjustable radio frequency coaxial connector Download PDFInfo
- Publication number
- CN101964487A CN101964487A CN 201010281143 CN201010281143A CN101964487A CN 101964487 A CN101964487 A CN 101964487A CN 201010281143 CN201010281143 CN 201010281143 CN 201010281143 A CN201010281143 A CN 201010281143A CN 101964487 A CN101964487 A CN 101964487A
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- outer conductor
- radio frequency
- sleeve
- screw
- coaxial connector
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses a phase-adjustable radio frequency coaxial connector which comprises an outer conductor (1) and an inner conductor (7), wherein the inner conductor (7) is arranged in a dielectric body (6); the dielectric body (6) is arranged in the outer conductor (1); a transfer needle (8) is connected with a core wire of a cable (10); the inner conductor (7) and the transfer needle (8) form an inner conductor sliding contact pair; an adjusting turnbuckle (3) is arranged at the tail end of a connector; the adjusting turnbuckle (3) is respectively connected with the outer conductor (1) and a sleeve (5); the rotation of the turnbuckle (3) is adjusted to drive the inner conductor sliding contact pair to telescope and the sleeve (5) to move in the outer conductor (1) to adjust the length of the connector; and a locking screw (4) locks the adjusting turnbuckle (3), the outer conductor (1) and the sleeve (5). The invention can simplify the phase matching process, improve the matching accuracy and reduce the production cost, and has small volume, convenient adjustment, large adjustment range, high accuracy, low insertion loss, low voltage standing wave ratio and high stability.
Description
Technical field
The present invention relates to radio frequency connector, relate in particular to a kind of phase place tunable radio frequency coaxial connector.
Background technology
In the phase matched system of phased array radar and electronic countermeasures, require cable/connector assembly to have accurate electrical length.Not that the length of strict control cable assembly makes it satisfy certain tolerance, can also achieve the goal under the situation of too strictness than low-frequency range and phase place requirement.(12.4GHz～18.0GHz), at this moment the length of the method control cable assembly by the machine finish tolerance far can not satisfy the accurately requirement of coupling of phase place when upper limiting frequency is brought up to X-band or Ku wave band.The user in use need cut cable/connector assembly, assembles, test etc., for the phase accuracy coupling of many groups cable, and time that this process need is a large amount of and manpower and materials.How to improve cable assembly phase matched precision, along with the raising of operating frequency is more and more outstanding.
Summary of the invention
The objective of the invention is: a kind of phase place tunable radio frequency coaxial connector is provided, and it can simplify the phase matched technology of cable/connector assembly, improves its phase matched precision, reduces production costs; And volume is small and exquisite, easy to adjust, and adjustable range is big, degree of regulation is high, and the insertion loss is low, and voltage standing wave ratio is little, and stability is high.
Technical scheme of the present invention is: a kind of phase place tunable radio frequency coaxial connector, it comprises outer conductor, inner wire, dielectric, switching pin, Adjusting bolt Adjusting screw, sleeve, described inner wire is arranged in the dielectric, dielectric is arranged in the outer conductor, the heart yearn of switching pin and cable is connected, and it is right that inner wire and switching pin constitute the inner wire sliding contact; Barrel forward end penetrates with in the outer conductor, and afterbody stretches out outer conductor, and Adjusting bolt Adjusting screw is arranged at the connector tail end, and Adjusting bolt Adjusting screw links to each other with outer conductor by back-up ring, and Adjusting bolt Adjusting screw is connected with sleeve by screw thread; Rotation by Adjusting bolt Adjusting screw drives the inner wire sliding contact to flexible and sleeve moving to regulate the length of connector in outer conductor.
Below technique scheme is further explained:
Described Adjusting bolt Adjusting screw is provided with screw hole, is provided with lock-screw in the screw hole, and lock-screw becomes flexible Adjusting bolt Adjusting screw, outer conductor, sleeve locking preventing.
The heart yearn of described switching pin, dielectric pad and cable is welded to connect.
The front end interface of described radio frequency (RF) coaxial connector is the BMA interface.
High impedance compensation is adopted in internal diameter sudden change place of external diameter sudden change place of described inner wire and outer conductor, has guaranteed impedance basically identical on the transmission face.
Phase place tunable radio frequency coaxial connector of the present invention, the inner wire dielectric of packing in the outer conductor of together packing into, adopts and irritates the epoxy glue mode three is fixed.Adjusting bolt Adjusting screw is connected with outer conductor, by the rotation of Adjusting bolt Adjusting screw, drives sleeve and moves in outer conductor, the inner wire contact is to flexible thereupon, guaranteed outer, internal diameter etc. impedance variation, regulate put in place after, with lock-screw Adjusting bolt Adjusting screw and outer conductor, sleeve are fixed.
Advantage of the present invention is:
1, phase place tunable radio frequency coaxial connector of the present invention according to the computing formula of electrical length, is finished the disposable assembling of cable/connector assembly, and the gap on its length compensates by the length of regulating this connector.
2, phase place tunable radio frequency coaxial connector of the present invention, the Adjusting bolt Adjusting screw length change amount that rotates a circle is 0.35mm, and the Adjusting bolt Adjusting screw phase place that whenever turns around only changes 7.6 ° when 18GHz, improves the precision of phase matched greatly.Adopted the compensation of high impedance section at each step place that produces owing to the internal and external conductor vary in diameter, reduced reflection loss, the characteristic impedance precision is controlled at 50 ± 0.5 ohm.
3, phase place tunable radio frequency coaxial connector of the present invention, simplify the phase matched technology of cable/connector assembly greatly and improve its phase matched precision greatly, reduce production costs, and it is small and exquisite to have volume, easy to adjust, and adjustable range is big, the degree of regulation height, the insertion loss is low, and voltage standing wave ratio is little, characteristics such as stable height.In addition, this connector has no special requirements, and is beneficial to production in enormous quantities.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is the external form schematic diagram of the embodiment of the invention;
Fig. 2 is the structural representation (analysing and observe) of the embodiment of the invention.
Wherein: 1 outer conductor; 2 nuts; 3 Adjusting bolt Adjusting screws; 4 lock-screws; 5 sleeves; 6 dielectrics; 7 inner wires; 8 switching pins; 9 dielectric pad; 10 cables; 11 back-up rings.
Embodiment
Embodiment: as shown in Figure 1 and Figure 2, a kind of phase place tunable radio frequency coaxial connector, the front end interface of radio frequency (RF) coaxial connector is the BMA interface, and it comprises outer conductor 1, nut 2, inner wire 7, dielectric 6, switching pin 8, dielectric pad 9, Adjusting bolt Adjusting screw 3, sleeve 5, lock-screw 4, back-up ring 11.
Inner wire 7 is arranged in the dielectric 6, and dielectric 6 is arranged in the outer conductor 1, the heart yearn welding of switching pin 8, dielectric pad 9 and cable 10, and it is right that inner wire 7 and switching pin 8 constitute the inner wire sliding contact.Sleeve 5 front ends penetrate with in the outer conductor 1, and afterbody stretches out outer conductor 1.
Adjusting bolt Adjusting screw 3 is located at the connector tail end, and Adjusting bolt Adjusting screw 3 links to each other with outer conductor 1 by back-up ring 11, and Adjusting bolt Adjusting screw 3 is connected with sleeve 5 by screw thread.Rotation by Adjusting bolt Adjusting screw 3 drives the inner wire sliding contact to flexible and sleeve 5 moving to regulate the length of connector in outer conductor 1.
Adjusting bolt Adjusting screw 3 is provided with screw hole, is provided with lock-screw 4 in the screw hole, and lock-screw 4 and epoxy glue become flexible 5 lockings of Adjusting bolt Adjusting screw 3, outer conductor 1, sleeve preventing.
High impedance compensation is adopted in internal diameter sudden change place of external diameter sudden change place of inner wire 7 and outer conductor 1, has guaranteed impedance basically identical on the transmission face.
Add man-hour, in the dielectric 6 of earlier inner wire 7 being packed into, dielectric 6 is packed in the outer conductor 1, by fixing inner wire 7, dielectric 6, outer conductor 1 three's the position of anchor clamps, pour into epoxy glue to full then, wipe unnecessary glue with packing element, advance baking oven baking 1～2h, obtain the outer conductor component.With the heart yearn welding of switching pin 8, dielectric pad 9 and cable 10, right with inner wire 7 formation inner wire sliding contacts, Adjusting bolt Adjusting screw 3 links to each other with outer conductor 1 by back-up ring 11, is connected with sleeve 5 by screw thread.Rotation by Adjusting bolt Adjusting screw 3 drives the inner wire sliding contact to flexible and sleeve 5 moving to regulate the length of connector in outer conductor 1.After regulating, lock-screw 4 and epoxy glue are locked to prevent under various environment Adjusting bolt Adjusting screw 3, outer conductor 1, sleeve 5 loosening.
Should be pointed out that for the present invention also to have the embodiment of multiple conversion and remodeling, be not limited to the specific embodiment of above-mentioned execution mode through proving absolutely.The foregoing description is as just explanation of the present invention, rather than restriction.In a word, protection scope of the present invention should comprise those conspicuous to those skilled in the art conversion or substitute and remodeling.
Claims (5)
1. phase place tunable radio frequency coaxial connector, it is characterized in that: it comprises outer conductor (1), inner wire (7), dielectric (6), switching pin (8), Adjusting bolt Adjusting screw (3), sleeve (5), described inner wire (7) is arranged in the dielectric (6), dielectric (6) is arranged in the outer conductor (1), the heart yearn of switching pin (8) and cable (10) is connected, and it is right that inner wire (7) and switching pin (8) constitute the inner wire sliding contact; Sleeve (5) front end penetrates with in the outer conductor (1), and afterbody stretches out outer conductor (1), and Adjusting bolt Adjusting screw (3) is arranged at the connector tail end, and Adjusting bolt Adjusting screw (3) links to each other with outer conductor (1) by back-up ring (11), and Adjusting bolt Adjusting screw (3) is connected with sleeve (5) by screw thread; Rotation by Adjusting bolt Adjusting screw (3) drives the inner wire sliding contact to flexible and sleeve (5) moving to regulate the length of connector in outer conductor (1).
2. phase place tunable radio frequency coaxial connector according to claim 1, it is characterized in that: described Adjusting bolt Adjusting screw (3) is provided with screw hole, be provided with lock-screw (4) in the screw hole, lock-screw (4) is with Adjusting bolt Adjusting screw (3), outer conductor (1), sleeve (5) locking.
3. phase place tunable radio frequency coaxial connector according to claim 1 is characterized in that: the heart yearn of described switching pin (8), dielectric pad (9) and cable (10) is welded to connect.
4. phase place tunable radio frequency coaxial connector according to claim 1 is characterized in that: the front end interface of described radio frequency (RF) coaxial connector is the BMA interface.
5. phase place tunable radio frequency coaxial connector according to claim 1 is characterized in that: high impedance compensation is adopted in internal diameter sudden change place of external diameter sudden change place of described inner wire (7) and outer conductor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010281143 CN101964487A (en) | 2010-09-14 | 2010-09-14 | Phase-adjustable radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010281143 CN101964487A (en) | 2010-09-14 | 2010-09-14 | Phase-adjustable radio frequency coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101964487A true CN101964487A (en) | 2011-02-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010281143 Pending CN101964487A (en) | 2010-09-14 | 2010-09-14 | Phase-adjustable radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101964487A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255149A (en) * | 2011-05-13 | 2011-11-23 | 广州国联通信有限公司 | Crimp-type coaxial connector and connection method thereof |
| CN103840340A (en) * | 2014-03-19 | 2014-06-04 | 四川永贵科技有限公司 | Phase-adjustable coaxial connector |
| CN109149297A (en) * | 2017-06-16 | 2019-01-04 | 广濑电机株式会社 | coaxial connector assembly |
| CN110112525A (en) * | 2019-06-11 | 2019-08-09 | 镇江市华展电子科技有限公司 | A kind of inner conductor can be along the connector for being displaced adjusting axially back and forth |
-
2010
- 2010-09-14 CN CN 201010281143 patent/CN101964487A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255149A (en) * | 2011-05-13 | 2011-11-23 | 广州国联通信有限公司 | Crimp-type coaxial connector and connection method thereof |
| CN103840340A (en) * | 2014-03-19 | 2014-06-04 | 四川永贵科技有限公司 | Phase-adjustable coaxial connector |
| CN109149297A (en) * | 2017-06-16 | 2019-01-04 | 广濑电机株式会社 | coaxial connector assembly |
| CN109149297B (en) * | 2017-06-16 | 2021-09-07 | 广濑电机株式会社 | Coaxial connector assembly |
| CN110112525A (en) * | 2019-06-11 | 2019-08-09 | 镇江市华展电子科技有限公司 | A kind of inner conductor can be along the connector for being displaced adjusting axially back and forth |
| CN110112525B (en) * | 2019-06-11 | 2024-02-13 | 镇江市华展电子科技有限公司 | Connector with inner conductor capable of being adjusted in axial front-back displacement mode |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110202 |