CN103117469B - A kind of radio frequency coaxial electric connector with contact element - Google Patents
A kind of radio frequency coaxial electric connector with contact element Download PDFInfo
- Publication number
- CN103117469B CN103117469B CN201310055102.9A CN201310055102A CN103117469B CN 103117469 B CN103117469 B CN 103117469B CN 201310055102 A CN201310055102 A CN 201310055102A CN 103117469 B CN103117469 B CN 103117469B
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- Prior art keywords
- plug
- socket
- contact
- contact element
- outer conductor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Abstract
A kind of radio frequency coaxial electric connector with contact element, contact element (14) is set between plug outer conductor (11) and socket outer conductor (22), contact element (14) is cylindrically, its anterior cantilever beam being divided into multiple elasticity by axial profile groove (142), its rear portion is circular contact ring (143)；The front end of cantilever beam is provided with the ring-shaped contact (141) of radially outwardly projecting；In the plug first step hole (113) that contact element (14) is arranged in being fixed on plug outer conductor (11) by contact ring (143) interference fit at rear portion, by the ring-shaped contact (141) of the cantilever beam of front elastic and the tight Elastic Contact in socket first step hole (221) medial wall.Described radio-frequency (RF) coaxial connection has contact element (14), can improve the passive inter-modulation performance that radio-frequency (RF) coaxial connects.
Description
Technical field
The present invention relates to radio frequency (RF) coaxial connector technical field, particularly relate to a kind of radio frequency coaxial electric connector with contact element, particularly relate to the passive intermodulation of radio frequency coaxial electric connector, impedance matching and sealing.
Background technology
Chinese patent ZL200810068882.X and ZL03103882.4 discloses the technical scheme of the passive inter-modulation performance improving radio frequency (RF) coaxial connector.In ZL200810068882.X, it is not in contact with element between two outer conductors connecting unit, but ensures that the contact surface of two outer conductors fits tightly by increasing an auxiliary nut and elastic washer, improve the passive inter-modulation performance that two unit connect.In ZL03103882.4, adapter two connects and arranges a resilient contact element of annular disk-shaped tool between the outer conductor of unit, and two outer conductors are all and the closed circumference circular route close contact of contact element, the passive inter-modulation performance of raising adapter.
Above-mentioned patented technology, in order to improve the passive inter-modulation performance of adapter, is respectively adopted different structures and realizes closely and stably connecting between plug outer conductor and socket outer conductor, improve the passive inter-modulation performance of radio frequency (RF) coaxial connector with this.
The present invention uses different structures to improve the passive inter-modulation performance of radio frequency (RF) coaxial connector, improves impedance matching performance and the sealing property of adapter of radio frequency (RF) coaxial connector.
Summary of the invention
The first object of the present invention is to provide a kind of radio frequency coaxial electric connector with contact element, improves the passive inter-modulation performance after the plugging together of plug and socket or third order intermodulation performance.
In order to reach this first purpose, described radio frequency coaxial electric connector adopts the following technical scheme that
A kind of radio frequency coaxial electric connector with contact element, including plug (1) and socket (2), plug (1) includes plug outer conductor (11), plug insulator (13), plug inner conductor (17), socket (3) includes socket outer conductor (22), socket dielectric (23), socket inner wire (24), it is characterized in that: contact element (14) is set between plug outer conductor (11) and socket outer conductor (22), contact element (14) is cylindrically, its anterior cantilever beam being divided into multiple elasticity by axial profile groove (142), its rear portion is circular contact ring (143)；The cantilever beam of contact element (14) is axially extended from contact ring (143), and the front end of cantilever beam is provided with the ring-shaped contact of radially outwardly projecting (141)；In the plug first step hole (113) that contact element (14) is arranged in being fixed on plug outer conductor (11) by contact ring (143) interference fit at rear portion, with the tight Elastic Contact of its sidewall in the socket first step hole (221) arranged in stretching into socket outer conductor (22) by the ring-shaped contact (141) of the cantilever beam of front elastic.
Preferably, contact element (14) is made up of resilient copper alloy.
Preferably, ring-shaped contact (141) contacts with socket first step hole (221) medial wall and contacts into ring-type linear contact lay or face.
Preferably, behind plug first step hole (113), it is provided with plug second step hole (114), is in succession provided with plug the 3rd stepped hole (112), plug the 4th stepped hole (111) plug first step hole (113) is front；The external diameter of plug the 4th stepped hole (111) is more than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is more than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is more than the external diameter in plug second step hole (114)；Plug second step hole (114) accommodates and locking-type plug insulator (13).
Contrast prior art ZL03103882.4, the tight Elastic Contact of sidewall in the socket first step hole (221) in ring-shaped contact (141) and socket outer conductor, and can be ring-type linear contact lay or face contact, it is possible not only to increase substantially the passive inter-modulation performance of radio frequency (RF) coaxial connector or third order intermodulation performance, and the transmission high power characteristics of radio frequency (RF) coaxial connector can be improved.
The second object of the present invention is to provide a kind of radio frequency coaxial electric connector with contact element, reduces the space that adapter length direction needs to take, improves the impedance matching performance of radio frequency (RF) coaxial connector, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
In order to reach this second purpose, described radio frequency coaxial electric connector adopts the following technical scheme that
Further, described plug insulator (13) is at least partially contained in contact element (14), in the plug inner conductor (17) between the two ends of plug insulator (13), arranges the inner wire groove (171) of annular.
Preferably, a part for the plug inner conductor (17) that described inner wire groove (171) is surrounded is set to broad in the middle, the structure that two is little.
Contrast technical scheme as shown in Figure 4, plug insulator (13) is positioned at after contact element (14), technique scheme, owing to plug insulator (13) is at least partially contained in contact element (14), the plug insulator (13) of locking-type plug inner wire (17) can reduce, toward reach, the space taken required for adapter length direction.Meanwhile, in the plug inner conductor (17) between the two ends of plug insulator (13), the inner wire groove (171) of annular is set, helps compensate for impedance matching, reduce the standing-wave ratio of radio frequency (RF) coaxial connector.Preferably, a part for the plug inner conductor (17) surrounded by inner wire groove (171) is set to broad in the middle, the structure that two is little, is more conducive to the raising of impedance matching performance, reduces the standing-wave ratio of radio frequency (RF) coaxial connector.
The third object of the present invention is to provide a kind of radio frequency coaxial electric connector with fast locking device, improves the sealing property of radio frequency (RF) coaxial connector, prevents gaseous state, the material of liquid or dust outside connecting from entering inside adapter, affects the electric property of adapter.
In order to reach the 3rd purpose, described radio frequency coaxial electric connector adopts the following technical scheme that
Further, it is provided with one to seal cap (3) and be threaded connection and be fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket outer conductor (22) arranges socket seal groove (224), built-in second sealing ring of socket seal groove (224) (5), plug outer conductor (11) arranges spigot seal groove (112), built-in 3rd sealing ring (4) of spigot seal groove (119)；After described plug (1) and socket (2) plug together, the inwall sealing cap (3) two extrudes the second sealing ring (5) and the 3rd sealing ring (4) respectively, it is achieved the sealing of adapter.
Contrast prior art ZL200820096613.X, by arranging sealing cap (3), socket seal groove (224), spigot seal groove (112), and at built-in second sealing ring of socket seal groove (224) (5), built-in 3rd sealing ring (4) of spigot seal groove (119), serves effect for hermetically sealed connector.
Accompanying drawing explanation
Fig. 1 show the structural representation that the plug and socket docking of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention connects
Fig. 2 show the structural representation of the contact element of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention
Fig. 3 show the socket schematic diagram of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention
Fig. 4 show the plug construction schematic diagram of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention
Fig. 5 show another structural representation of plug of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention
Fig. 6 show the sealed structural representation connected according to a kind of radio-frequency (RF) coaxial with contact element of the present invention
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, a kind of radio frequency coaxial electric connector with contact element of the present invention is described in further detail:
For radio frequency coaxial electric connector, have structure miscellaneous in the prior art locks attachment means soon, to realize, the quick connection lock of the plug and socket of radio frequency (RF) coaxial connector is tight and sharp separation, locks connected mode soon as disclosed in Chinese patent ZL03103882.4.Of this sort locks connected mode soon, after plug and socket plug together locking, cannot ensure directly to be in close contact between plug outer conductor and socket outer conductor, therefore, apply the radio frequency (RF) coaxial connector of such fast lock connected mode, it is impossible to guarantee that it has good passive inter-modulation performance or third order intermodulation performance.
The structural representation connected for the plug and socket docking of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention as shown in Figure 1, shown in figure, described radio frequency coaxial electric connector is again provided with above-mentioned similar fast locking device.In order to solve the problems referred to above, guarantee that between two outer conductors, contact is good, improving the passive inter-modulation performance of radio frequency coaxial electric connector, the present invention takes the technology identical with Chinese patent ZL03103882.4 to conceive, sets up an elastic contact element between plug outer conductor and socket outer conductor.
It is the structural representation of the contact element of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention as shown in Figure 2, shown in figure, contact element 14 is cylindrically, its anterior cantilever beam being divided into multiple elasticity by axial profile groove 142, its rear portion is circular contact ring 143.The cantilever beam of contact element 14 is axially extended from contact ring 143, and the front end of cantilever beam is provided with the ring-shaped contact 141 of radially outer projection.
As shown in Figure 1, contact element 14 is arranged between plug outer conductor 11 and socket outer conductor 22, in the plug first step hole 113 that contact element 14 is arranged in being fixed on plug outer conductor 11 by contact ring 143 interference fit at rear portion, with the tight Elastic Contact of its sidewall in the socket first step hole 221 arranged in stretching into socket outer conductor 22 by the ring-shaped contact 141 of the cantilever beam of front elastic.Contact element 14 is made up of resilient metal, such as a kind of suitably copper alloy.
As shown in Figure 3 for the socket schematic diagram of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention, shown in figure, described socket 3 includes the component parts such as socket outer conductor 22, socket dielectric 23, socket inner wire 24.As shown in Figure 4 for the plug construction schematic diagram of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention, shown in figure, described plug 1 includes the component parts such as plug outer conductor 11, plug insulator 13, plug inner conductor 17.
In this embodiment, in plug outer conductor 11 in addition to above-described plug first step hole 113 is set, behind plug first step hole 113, it is provided with plug second step hole 114, before plug first step hole 113, is in succession provided with plug the 3rd stepped hole 112, plug the 4th stepped hole 111.The external diameter of plug the 4th stepped hole 111 is more than the external diameter of plug the 3rd stepped hole 112, and the external diameter of plug the 3rd stepped hole 112 is more than the external diameter in plug first step hole 113, and the external diameter in first step hole 113 is more than the external diameter in plug second step hole 114.Plug first step hole 113 is used for fixing contact element 14, and guarantee electrical contact tight and stable between contact element 14 and plug outer conductor, plug second step hole 114 is for accommodating and locking-type plug insulator 13, plug the 3rd stepped hole 112 is for the contact ring 143 through contact element 14, and plug the 4th stepped hole 111 is for receiving a part for socket outer conductor 22.
Further, the space taken to reduce adapter length direction to need, improve the impedance matching performance of radio frequency (RF) coaxial connector, reduce the standing-wave ratio of radio frequency (RF) coaxial connector, as shown in Figure 5 for another structural representation of plug of a kind of radio frequency coaxial electric connector embodiment with contact element according to the present invention, shown in figure, being positioned at after contact element 14 in plug insulator 13 is at least partially contained in contact element 14 rather than as shown in Figure 4.Meanwhile, in the plug inner conductor 17 between the two ends of plug insulator 13, the inner wire groove 171 of annular is set.Further, a part for the plug inner conductor (17) that described inner wire groove 171 is surrounded is set to broad in the middle, and the structure that two is little can preferably be favorably improved the impedance matching performance of radio frequency (RF) coaxial connector.
In order to improve the sealing property of radio frequency (RF) coaxial connector, prevent the gaseous state outside connecting, the material of liquid or dust enter inside adapter, affect the electric property of adapter, as shown in Figure 6 for the sealed structural representation connected according to a kind of radio-frequency (RF) coaxial with contact element of the present invention, shown in figure, arrange one to seal cap 3 and be threaded connection and be fixed on socket outer conductor 22, sealing cap 3 is tubulose, socket outer conductor 22 arranges socket seal groove 224, built-in second sealing ring 5 of socket seal groove 224, plug outer conductor 11 arranges spigot seal groove 112, built-in 3rd sealing ring 4 of spigot seal groove 119.After above-mentioned plug 1 plugs together with socket 2, the inwall sealing cap 3 two extrudes the second sealing ring 5 and the 3rd sealing ring 4 respectively, it is achieved the sealing of adapter.
Claims (6)
1. a radio frequency coaxial electric connector with contact element, including plug (1) and socket (2), plug (1) includes plug outer conductor (11), plug insulator (13), plug inner conductor (17), socket (3) includes socket outer conductor (22), socket dielectric (23), socket inner wire (24), contact element (14) is set between plug outer conductor (11) and socket outer conductor (22), contact element (14) is cylindrically, its anterior cantilever beam being divided into multiple elasticity by axial profile groove (142), its rear portion is circular contact ring (143)；The cantilever beam of contact element (14) is axially extended from contact ring (143), and the front end of cantilever beam is provided with the ring-shaped contact of radially outwardly projecting (141)；In the plug first step hole (113) that contact element (14) is arranged in being fixed on plug outer conductor (11) by contact ring (143) interference fit at rear portion, with the tight Elastic Contact of its sidewall in the socket first step hole (221) arranged in stretching into socket outer conductor (22) by the ring-shaped contact (141) of the cantilever beam of front elastic, it is characterized in that: behind plug first step hole (113), be provided with plug second step hole (114), in succession it is provided with plug the 3rd stepped hole (112) plug first step hole (113) is front, plug the 4th stepped hole (111)；The external diameter of plug the 4th stepped hole (111) is more than the external diameter of plug the 3rd stepped hole (112), the external diameter of plug the 3rd stepped hole (112) is more than the external diameter in plug first step hole (113), and the external diameter of first step hole (113) is more than the external diameter in plug second step hole (114)；Plug second step hole (114) accommodates and locking-type plug insulator (13).
Radio frequency coaxial electric connector the most according to claim 1, it is characterised in that: contact element (14) is made up of resilient copper alloy.
Radio frequency coaxial electric connector the most according to claim 1, it is characterised in that: ring-shaped contact (141) contacts with socket first step hole (221) medial wall and contacts into ring-type linear contact lay or face.
4. according to the arbitrary described radio frequency coaxial electric connector of claims 1 to 3, it is characterized in that: described plug insulator (13) is at least partially contained in contact element (14), in plug inner conductor (17) between the two ends of plug insulator (13), the inner wire groove (171) of annular is set.
Radio frequency coaxial electric connector the most according to claim 4, it is characterised in that: a part for the plug inner conductor (17) that described inner wire groove (171) is surrounded is set to broad in the middle, the structure that two is little.
6. according to the arbitrary described radio frequency coaxial electric connector of claims 1 to 3, it is characterized in that: be provided with one and seal cap (3) and be threaded connection and be fixed on socket outer conductor (22), sealing cap (3) is tubulose, socket outer conductor (22) arranges socket seal groove (224), built-in second sealing ring of socket seal groove (224) (5), plug outer conductor (11) arranges spigot seal groove (112), built-in 3rd sealing ring (4) of spigot seal groove (119)；After described plug (1) and socket (2) plug together, the inwall sealing cap (3) two extrudes the second sealing ring (5) and the 3rd sealing ring (4) respectively, it is achieved the sealing of adapter.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055102.9A CN103117469B (en) | 2013-02-21 | 2013-02-21 | A kind of radio frequency coaxial electric connector with contact element |
| PCT/CN2014/072054 WO2014127708A1 (en) | 2013-02-21 | 2014-02-13 | Radio-frequency coaxial electric connector with contact element |
| EP14753640.3A EP2961004B1 (en) | 2013-02-21 | 2014-02-13 | Radio-frequency coaxial electric connector with contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055102.9A CN103117469B (en) | 2013-02-21 | 2013-02-21 | A kind of radio frequency coaxial electric connector with contact element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103117469A CN103117469A (en) | 2013-05-22 |
| CN103117469B true CN103117469B (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310055102.9A Active CN103117469B (en) | 2013-02-21 | 2013-02-21 | A kind of radio frequency coaxial electric connector with contact element |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2961004B1 (en) |
| CN (1) | CN103117469B (en) |
| WO (1) | WO2014127708A1 (en) |
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| CN103117469B (en) * | 2013-02-21 | 2016-08-03 | 上海航天科工电器研究院有限公司 | A kind of radio frequency coaxial electric connector with contact element |
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| CN103414055A (en) * | 2013-08-12 | 2013-11-27 | 上海航天科工电器研究院有限公司 | Connector with rapid unlocking function |
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| DE102015209301A1 (en) * | 2015-05-21 | 2016-11-24 | Em-Motive Gmbh | Socket for receiving a multi-phase plug |
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| US10141688B2 (en) | 2016-04-15 | 2018-11-27 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Plug connector with resilient engagement element and seal |
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| CN108736203A (en) * | 2018-07-28 | 2018-11-02 | 中国电子科技集团公司第四十研究所 | A kind of high-performance floating blind inserting radio frequency coaxial connector |
| CN109301631B (en) * | 2018-10-23 | 2023-09-01 | 苏州华旃航天电器有限公司 | Flexible five-layer dielectric coaxial electric connector and manufacturing process thereof |
| CN109659756B (en) * | 2018-12-28 | 2024-03-08 | 上海航天科工电器研究院有限公司 | Stable intermodulation type radio frequency connector |
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| CN109672039A (en) * | 2019-01-09 | 2019-04-23 | 吴通控股集团股份有限公司 | A kind of radio frequency (RF) coaxial connector |
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| CN112864749B (en) * | 2021-01-05 | 2022-09-20 | 北京格润海泰科技有限公司 | Fast-maintenance fast-plugging precise millimeter wave test adapter |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2961004B1 (en) | 2021-05-05 |
| WO2014127708A1 (en) | 2014-08-28 |
| EP2961004A1 (en) | 2015-12-30 |
| EP2961004A4 (en) | 2017-01-25 |
| CN103117469A (en) | 2013-05-22 |
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