CN107910730B - Isolation method of push-in type radio frequency coaxial connector and push-in type radio frequency coaxial connector - Google Patents
Isolation method of push-in type radio frequency coaxial connector and push-in type radio frequency coaxial connector Download PDFInfo
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- CN107910730B CN107910730B CN201711214513.2A CN201711214513A CN107910730B CN 107910730 B CN107910730 B CN 107910730B CN 201711214513 A CN201711214513 A CN 201711214513A CN 107910730 B CN107910730 B CN 107910730B
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- module
- push
- coaxial connector
- radio frequency
- plug
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- 238000002955 isolation Methods 0.000 title claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 52
- 125000006850 spacer group Chemical group 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a push-in type radio frequency coaxial connector isolation method, wherein the push-in type radio frequency coaxial connector is used for connecting a first module and a second module, at least one pair of socket holes are oppositely arranged on the connecting surfaces of the first module and the second module, the push-in type radio frequency coaxial connector comprises a socket arranged in each pair of socket holes and a plug used for connecting each pair of sockets, a metal isolation sheet is arranged between the connecting surfaces of the first module and the second module, a plug hole with the same outer diameter as the plug is arranged on the metal isolation sheet relative to the position of each plug, and the metal isolation sheet is used for filling a gap between the connecting surfaces of the first module and the second module. In the invention, the metal isolation sheet is grounded by contacting with the shell, so that the metal isolation sheet has good shielding property on radio frequency signals, and the leakage of the radio frequency signals is effectively reduced.
Description
Technical Field
The invention relates to the technical field of radio frequency coaxial connectors, in particular to a push-in radio frequency coaxial connector isolation method and a push-in radio frequency coaxial connector.
Background
The push-in type radio frequency coaxial connector has the characteristics of small volume, light weight, excellent shock resistance, wide working frequency band and the like, has wide application in microwave circuit design, and has wide application prospect and market. Because push-in type radio frequency coaxial connector relies on directly pushing to realize electric connection, there is great gap between the connectors, so its isolation is far worse than screw locking joint, very easily causes signal leakage when using in miniaturized microwave subassembly, influences signal purity.
Fig. 1 is a schematic diagram of a push-in rf coaxial connector interconnection, in which multiple rf signals between a first module and a second module need to be interconnected by a connector, and a certain gap is inevitably formed between a plug and a socket because the plug and the socket are interconnected by a push-in connector, and the leakage is more serious as the frequency of the rf signal is higher, although the gap is smaller, the rf signal can still leak out through the gaps due to the diffraction effect of the rf signal.
Therefore, how to reduce leakage of radio frequency signals has become a urgent problem to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to solve the technical problems that: how to reduce leakage of radio frequency signals.
In order to solve the technical problems, the invention adopts the following technical scheme:
The push-in type radio frequency coaxial connector isolation method comprises the steps that a metal isolation sheet is arranged between the connecting surfaces of the first module and the second module, plug holes with the same outer diameter as those of the plugs are formed in the positions, corresponding to the positions of the plugs, of the metal isolation sheet, and the metal isolation sheet is used for filling gaps between the connecting surfaces of the first module and the second module.
Preferably, the edge of the socket hole is provided with a stepped groove, a raised stepped structure is arranged on the metal isolation sheet at a position corresponding to the stepped groove, and the stepped structure is embedded into the stepped groove.
Preferably, the metal isolation sheet is aluminum alloy or copper alloy, the metal is easy to process, the precision is easy to control, the conductivity is good, and the high radio frequency signal shielding performance can be realized.
Preferably, the thickness of the metal separation sheet is the distance between the two shielding surfaces of the first module and the second module, and the distance is more than or equal to 0.5mm, so that the metal separation sheet is convenient to manufacture and install.
The utility model provides a push-in radio frequency coaxial connector, push-in radio frequency coaxial connector is used for connecting first module and second module, first module reaches be provided with at least a pair of socket hole relatively on the junction surface of second module, push-in radio frequency coaxial connector is including setting up in every to the socket in the socket hole, be used for connecting every to the plug of socket and set up the metal spacer between the junction surface of first module and second module, be provided with on the metal spacer for every the position of plug with the plug hole that the plug external diameter is the same, the metal spacer is used for filling gap between the junction surface of first module and second module.
Preferably, the edge of the socket hole is provided with a stepped groove, a raised stepped structure is arranged on the metal isolation sheet at a position corresponding to the stepped groove, and the stepped structure is embedded into the stepped groove.
Preferably, the metal spacer is an aluminum alloy or a copper alloy.
Preferably, the thickness of the metal separation sheet is the distance between the two shielding surfaces of the first module and the second module, and the distance is more than or equal to 0.5mm.
In summary, the invention discloses a push-in type rf coaxial connector isolation method, wherein the push-in type rf coaxial connector is used for connecting a first module and a second module, at least one pair of socket holes are oppositely arranged on the connection surfaces of the first module and the second module, the push-in type rf coaxial connector comprises a socket arranged in each pair of socket holes and a plug for connecting each pair of sockets, a metal isolation sheet is arranged between the connection surfaces of the first module and the second module, a plug hole with the same outer diameter as the plug is arranged on the metal isolation sheet relative to each plug, and the metal isolation sheet is used for filling a gap between the connection surfaces of the first module and the second module. In the invention, the metal isolation sheet is grounded by contacting with the shell, so that the metal isolation sheet has good shielding property on radio frequency signals, and the leakage of the radio frequency signals is effectively reduced.
Drawings
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings, in which:
Fig. 1 is a schematic structural diagram of a module one and a module two connected by a push-in rf coaxial connector in the prior art;
fig. 2 is a schematic structural view of a push-in rf coaxial connector according to the present disclosure;
FIG. 3 is an enlarged view of a portion of a push-in RF coaxial connector of the present disclosure;
Fig. 4 is a diagram showing a comparison of simulation results of a push-in rf coaxial connector according to the present invention and a conventional push-in rf coaxial connector;
fig. 5 is a schematic connection diagram of a push-in rf coaxial connector according to the present disclosure.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 2, the invention discloses a push-in type rf coaxial connector isolation method, wherein the push-in type rf coaxial connector is used for connecting a first module 1 and a second module 2, at least one pair of socket holes 3 are oppositely arranged on the connection surfaces of the first module 1 and the second module 2, the push-in type rf coaxial connector comprises a socket arranged in each pair of socket holes 3 and a plug 4 used for connecting each pair of sockets, a metal isolation sheet 5 is arranged between the connection surfaces of the first module 1 and the second module 2, a plug 4 hole with the same outer diameter as the plug 4 is arranged on the metal isolation sheet 5 relative to each plug 4, and the metal isolation sheet 5 is used for filling a gap between the connection surfaces of the first module 1 and the second module 2.
In the invention, the metal isolation sheet 5 is grounded by contacting with the shell, so that the shielding performance on radio frequency signals is good, and the leakage of the radio frequency signals is effectively reduced. The first and second modules in the present invention are used to refer to two elements connected by a push-in rf coaxial connector, and do not refer to a certain component.
As shown in FIG. 4, the isolation degree is optimized by more than 20dB by adopting the method disclosed by the invention, the isolation effect is obvious, and the leakage of radio frequency signals is effectively reduced. In fig. 4, the abscissa indicates frequency, the ordinate indicates isolation, curve a indicates a prior art isolation simulation curve, and curve B indicates an isolation simulation curve of the structure of the present invention.
In specific implementation, the edge of the socket hole 3 is provided with a stepped groove, the position of the metal spacer 5 corresponding to the stepped groove is provided with a raised stepped structure 51, and the stepped structure 51 is embedded into the stepped groove.
The step structure 51 is adopted, so that the radio frequency signal path is increased, the discontinuity is increased, the leakage signal can be effectively restrained, and the leakage of the radio frequency signal is further reduced.
In the concrete implementation, the metal spacer 5 is aluminum alloy or copper alloy, the metal is easy to process, the precision is easy to control, the conductivity is good, and the high radio frequency signal shielding performance can be realized.
In the concrete implementation, the thickness of the metal spacer 5 is the distance between the two shielding surfaces of the first module 1 and the second module 2, and the distance is more than or equal to 0.5mm, so that the production, the manufacture and the installation are convenient.
As shown in fig. 2, the invention further discloses a push-in type rf coaxial connector, which is used for connecting the first module 1 and the second module 2, at least one pair of socket holes 3 are oppositely arranged on the connection surfaces of the first module 1 and the second module 2, the push-in type rf coaxial connector comprises a socket arranged in each pair of socket holes 3, a plug 4 for connecting each pair of sockets, and a metal isolation sheet 5 arranged between the connection surfaces of the first module 1 and the second module 2, the position of the metal isolation sheet 5 relative to each plug 4 is provided with a plug 4 hole with the same outer diameter as the plug 4, and the metal isolation sheet 5 is used for filling a gap between the connection surfaces of the first module 1 and the second module 2.
In specific implementation, the edge of the socket hole 3 is provided with a stepped groove, the position of the metal spacer 5 corresponding to the stepped groove is provided with a raised stepped structure 51, and the stepped structure 51 is embedded into the stepped groove.
As shown in fig. 5, the first module 1 and the second module 2 are folded toward the push-in rf coaxial connector, so as to complete the connection of the first module 1 and the second module 2.
Preferably, the metal spacer 5 is an aluminum alloy or a copper alloy.
Preferably, the thickness of the metal spacer 5 is the distance between the shielding surfaces of the first module 1 and the second module 2, and the distance is more than or equal to 0.5mm.
Finally, it is noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be understood that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. The push-in type radio frequency coaxial connector isolation method is characterized in that the push-in type radio frequency coaxial connector is used for connecting a first module and a second module, at least one pair of socket holes are oppositely formed in the connecting surface of the first module and the connecting surface of the second module, the push-in type radio frequency coaxial connector comprises a socket arranged in each pair of socket holes and a plug used for connecting each pair of sockets, a metal isolation sheet is arranged between the connecting surfaces of the first module and the second module, a plug hole with the same outer diameter as the plug is formed in the position, corresponding to each plug, of the metal isolation sheet, and the metal isolation sheet is used for filling a gap between the connecting surfaces of the first module and the second module; the metal isolation sheet is grounded in contact with the shell; the edge of the socket hole is provided with a stepped groove, a raised stepped structure is arranged on the metal isolation sheet at a position corresponding to the stepped groove, and the stepped structure is embedded into the stepped groove; the metal spacer is an aluminum alloy or a copper alloy.
2. The method of isolating a push-in rf coaxial connector of claim 1, wherein the metal spacer has a thickness that is greater than or equal to 0.5mm from a distance between the shielding surfaces of the first module and the second module.
3. The push-in radio frequency coaxial connector is characterized in that the push-in radio frequency coaxial connector is used for connecting a first module and a second module, at least one pair of socket holes are oppositely formed in the connecting surface of the first module and the connecting surface of the second module, the push-in radio frequency coaxial connector comprises a socket arranged in each pair of socket holes, a plug used for connecting each pair of sockets and a metal isolation sheet arranged between the connecting surfaces of the first module and the second module, plug holes with the same outer diameter as the plug are formed in the positions, corresponding to the plug, of the metal isolation sheet, and the metal isolation sheet is used for filling gaps between the connecting surfaces of the first module and the second module; the metal isolation sheet is grounded in contact with the shell; the edge of the socket hole is provided with a stepped groove, a raised stepped structure is arranged on the metal isolation sheet at a position corresponding to the stepped groove, and the stepped structure is embedded into the stepped groove; the metal spacer is an aluminum alloy or a copper alloy.
4. The push-in rf coaxial connector of claim 3, wherein the metal spacer has a thickness that is greater than or equal to 0.5mm from a distance between the shielding surfaces of the first module and the second module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214513.2A CN107910730B (en) | 2017-11-28 | 2017-11-28 | Isolation method of push-in type radio frequency coaxial connector and push-in type radio frequency coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711214513.2A CN107910730B (en) | 2017-11-28 | 2017-11-28 | Isolation method of push-in type radio frequency coaxial connector and push-in type radio frequency coaxial connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107910730A CN107910730A (en) | 2018-04-13 |
| CN107910730B true CN107910730B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711214513.2A Active CN107910730B (en) | 2017-11-28 | 2017-11-28 | Isolation method of push-in type radio frequency coaxial connector and push-in type radio frequency coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107910730B (en) |
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| CN203277782U (en) * | 2013-05-22 | 2013-11-06 | 陕西华达科技股份有限公司 | Novel integrated radio frequency coaxial electric connector |
| CN103401099A (en) * | 2013-08-06 | 2013-11-20 | 临沂市海纳电子有限公司 | Connector with shielding contact spring |
| CN207426345U (en) * | 2017-11-28 | 2018-05-29 | 中电科技集团重庆声光电有限公司 | Push-in type radio frequency (RF) coaxial connector |
Family Cites Families (14)
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| US6494744B1 (en) * | 2001-06-11 | 2002-12-17 | Wieson Electronic Co., Ltd. | Connector assembly |
| JP3946096B2 (en) * | 2001-09-11 | 2007-07-18 | 株式会社オートネットワーク技術研究所 | Shield connector |
| CN2658969Y (en) * | 2003-09-11 | 2004-11-24 | 庞斌 | Rectangular electric connector having isolating structure |
| US20060110977A1 (en) * | 2004-11-24 | 2006-05-25 | Roger Matthews | Connector having conductive member and method of use thereof |
| CN101217223A (en) * | 2007-01-04 | 2008-07-09 | 南京依纳科技有限公司 | Small RF coaxial connector |
| JP5084706B2 (en) * | 2007-12-03 | 2012-11-28 | 日本電気株式会社 | COAXIAL CONNECTOR CONNECTION STRUCTURE, HIGH FREQUENCY DEVICE PROVIDED WITH SAME STRUCTURE AND COAXIAL CONNECTOR CONNECTION STRUCTURE |
| CN201369459Y (en) * | 2008-10-31 | 2009-12-23 | 芯通科技（成都）有限公司 | High-frequency interconnecting device |
| CN102544918A (en) * | 2010-12-20 | 2012-07-04 | 西安金波科技有限责任公司 | Leakproof symmetrical multi-processing (SMP) radio frequency coaxial adapter |
| CN103280644A (en) * | 2013-04-22 | 2013-09-04 | 华为机器有限公司 | Radio-frequency connector |
| CN203660127U (en) * | 2013-12-31 | 2014-06-18 | 罗森伯格（上海）通信技术有限公司 | Coplanar connector |
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| CN105356149B (en) * | 2015-12-04 | 2019-01-18 | 中国电子科技集团公司第四十研究所 | Pushing self-locking formula radio frequency connector |
| CN205509147U (en) * | 2016-02-22 | 2016-08-24 | 绵阳昱丰电子科技有限公司 | Take shielding layer connector component |
| CN206558803U (en) * | 2017-02-24 | 2017-10-13 | 中山市锦晖电线电缆有限公司 | A kind of full-shield HDMI pin ends |
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- 2017-11-28 CN CN201711214513.2A patent/CN107910730B/en active Active
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| CN203277782U (en) * | 2013-05-22 | 2013-11-06 | 陕西华达科技股份有限公司 | Novel integrated radio frequency coaxial electric connector |
| CN103401099A (en) * | 2013-08-06 | 2013-11-20 | 临沂市海纳电子有限公司 | Connector with shielding contact spring |
| CN207426345U (en) * | 2017-11-28 | 2018-05-29 | 中电科技集团重庆声光电有限公司 | Push-in type radio frequency (RF) coaxial connector |
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| Publication number | Publication date |
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| CN107910730A (en) | 2018-04-13 |
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Effective date of registration: 20201228 Address after: 400060 Chongqing Nanping Nan'an District No. 14 Huayuan Road Applicant after: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO.26 Research Institute Address before: 401332 No.23, Xiyong Avenue, Xiyong micro power park, Shapingba District, Chongqing Applicant before: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION CHONGQING ACOUSTIC-OPTIC-ELECTRONIC Co.,Ltd. |
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