CN113937553A - Multi-channel radio frequency sealing input and output device based on BMA connector - Google Patents
Multi-channel radio frequency sealing input and output device based on BMA connector Download PDFInfo
- Publication number
- CN113937553A CN113937553A CN202111237886.8A CN202111237886A CN113937553A CN 113937553 A CN113937553 A CN 113937553A CN 202111237886 A CN202111237886 A CN 202111237886A CN 113937553 A CN113937553 A CN 113937553A
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- Prior art keywords
- bma
- connector
- radio frequency
- panel
- sealed
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6271—Latching means integral with the housing
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention discloses a multi-channel radio frequency sealing input and output device based on a BMA connector, which comprises a sealing cabinet, a BMA jack connector, a BMA pin connector and a sealing ring, wherein the BMA jack connector is connected with the BMA pin connector; the BMA jack connector is arranged on a quick plug-in module in the sealed case and serves as a free end; the BMA pin connector is arranged on a panel of the sealed case and serves as a fixed end; meanwhile, a groove is formed in the mounting position of the BMA pin connector on the panel of the sealing case, and the sealing ring is mounted in the groove; the invention can realize the input and output of multi-channel radio frequency signals on the panel of the sealed case, and simultaneously, the module in the sealed case is still in a quick plug-in type without increasing the complexity of the sealed case.
Description
Technical Field
The invention relates to the field of microwave transmission in the electronic industry, in particular to a multi-channel radio frequency sealing input and output device based on a BMA connector.
Background
Currently, in the field of microwave transmission in the electronic industry, a BMA connector is a radio frequency connector with blind plugging and floating characteristics, and is widely applied to microwave radio frequency signal transmission between a module and a chassis. The BMA connectors are applied between the modules and the chassis in an array mode, transmission of multiple radio frequency signals can be achieved, the modules can be quickly connected and separated from the chassis due to the blind plugging characteristic of the BMA connectors, and the modules are conveniently installed in the chassis and detached and replaced. Meanwhile, the floating characteristic of the BMA connector enables each channel of the multi-channel radio frequency to still keep phase consistency under the conditions of vibration and the like, so that the BMA connector can be applied to equipment with phase consistency requirements. With the further expansion of the application range of electronic devices, higher requirements are put on the environmental adaptability of the electronic devices. For an electronic equipment enclosure applied outdoors, in order to prevent water vapor in the air from entering the enclosure and causing harmful effects on components in the enclosure, the enclosure is generally designed as a sealed enclosure. The chassis of the electronic device generally needs to input and output various signals, which requires that various signal input and output interfaces on the panel of the sealed chassis need to realize input and output of signals in a sealed manner.
However, in the current BMA connector application, the jack terminal (K terminal) is generally used as a fixed terminal, and the pin terminal (J terminal) is used as a free terminal, and the pin of the free terminal is generally used to align with the jack of the fixed terminal. Because BMA connector's floating structure design is at the jack end, the inner core of jack end connector can be by jack-up when the contact pin terminal pair jack end, can have the clearance between jack end connector inner core and its casing. According to the current application form of the BMA connector, the plug jack end of the BMA connector is applied to the panel of the sealed cabinet to serve as a fixed end, and when the pin end of the BMA connector is plugged into the plug jack end, the gap generated by the plug jack end can damage the sealing performance of the cabinet. This results in the inability to directly use BMA connectors on the chassis panel as rf input/output interfaces in accordance with current BMA connector implementations. If the BMA connector is used in the sealed case, a rear mounting plate needs to be designed in the sealed case, the BMA connector is mounted on the rear mounting plate, the rear mounting plate is connected with a case panel through a radio frequency cable, and the case panel realizes input and output of radio frequency signals through other connectors capable of realizing sealing, so that the complexity and the material cost of the case are increased.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a multi-channel radio frequency sealed input and output device based on a BMA connector aiming at the input and output requirements of multi-channel radio frequency signals on a sealed case panel internally provided with a quick plug-in module in electronic equipment.
The purpose of the invention is realized by the following scheme:
a multi-path radio frequency sealing input and output device based on a BMA connector comprises a sealing cabinet, a BMA jack connector, a BMA pin connector and a sealing ring; the BMA jack connector is arranged on a quick plug-in module in the sealed case and serves as a free end; the BMA pin connector is arranged on a panel of the sealed case and serves as a fixed end; meanwhile, a groove is formed in the mounting position of the BMA pin connector on the panel of the sealing case, and the sealing ring is mounted in the groove.
Further, the BMA jack connector is composed of a shell and a core.
Further, the BMA pin connector is of an integrated structure.
Further, the seal ring comprises an O-ring seal.
Furthermore, a BMA pin connector arranged on a panel of the sealed case and a BMA jack connector arranged on the quick plug-in module can not generate a gap when being plugged, and meanwhile, the sealing ring plays a role in sealing the flange part of the BMA pin connector under the compression action of the BMA pin connector and the panel.
Further, the seal ring comprises an O-ring seal.
The beneficial effects of the invention include:
the invention can be applied to multi-channel radio frequency transmission between the plug-in module and the sealed case panel, and realizes the input and output of radio frequency signals in a sealed mode through the input and output interface on the case panel, thereby avoiding the harmful influence on the components in the case caused by the vapor in the air entering the case through the radio frequency input and output interface on the case panel, improving the environmental adaptability of the case and enabling the case to be used in the severe conditions such as the open air; on the other hand, the structure form of the quick plug-in module in the case can be kept, and the structure of the sealed case is simplified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a BMA receptacle connector according to an embodiment of the present invention; wherein, (a) is a front view, and (b) is a left view;
FIG. 2 is a schematic diagram of a BMA pin connector according to an embodiment of the present invention; wherein, (a) is a front view, and (b) is a left view;
FIG. 3 is a schematic diagram of an embodiment of a multi-channel RF-sealed I/O device based on a BMA connector according to an embodiment of the present invention; wherein, (a) is a front view, (b) is a left view, and (c) is a local enlarged sectional view at the position I;
in the figure, 1-BMA jack connector, 11-shell, 12-inner core, 2-BMA pin connector, 3-sealing ring, 4-quick plug-pull type module, 5-sealing cabinet, 51-panel and 52-groove.
Detailed Description
All features disclosed in all embodiments in this specification, or all methods or process steps implicitly disclosed, may be combined and/or expanded, or substituted, in any way, except for mutually exclusive features and/or steps.
A multi-path radio frequency sealing input and output device based on a BMA connector comprises a sealing cabinet 5, a BMA jack connector 1, a BMA pin connector 2 and a sealing ring 3; the BMA jack connector 1 is arranged on the quick plug-in module 4 in the sealed case 5 as a free end; the BMA pin connector 2 is arranged on the panel 51 of the sealed case 5 as a fixed end; meanwhile, a groove 52 is arranged on the panel 51 of the sealed case 5 at the mounting position of the BMA pin connector 2, and the sealing ring 3 is mounted in the groove 52.
In other embodiments of the present invention, it should be noted that the BMA receptacle connector 1 is composed of a housing (11) and a core (12).
In other embodiments of the present invention, it should be noted that the BMA pin connector 2 is an integral structure.
In other embodiments of the present invention based on the above embodiments, it should be noted that the sealing ring 3 includes an O-ring.
In other embodiments of the present invention, it should be noted that, when the BMA pin connector 2 mounted on the panel 51 of the sealed chassis 5 and the BMA jack connector 1 mounted on the quick-connect/disconnect module 4 are plugged into each other, no gap is generated therebetween, and the sealing ring 3 is compressed by the BMA pin connector 2 and the panel 51 to seal the flange portion of the BMA pin connector 2. In this embodiment, it should be noted that the seal ring 3 includes an O-ring seal.
Fig. 1 shows a BMA receptacle connector 1 according to an embodiment of the present invention, which is characterized in that the connector includes a housing and an inner core, and when the connector is inserted into a BMA pin connector 2, a gap is generated between the inner core and the housing, and the generated gap does not affect an electrical performance index, but affects the sealing performance of a mounting position where the inner core is located.
Fig. 2 shows a BMA pin connector 2 according to an embodiment of the present invention, which is characterized in that the connector is an integral structure, and the structural form of the connector is not changed when the connector is mated with the BMA receptacle connector 1.
The working process of the invention is as follows: as shown in fig. 3, the BMA receptacle connector 1 is mounted on the quick-connect/disconnect module 4, the BMA pin connector 2 is mounted on the panel 51 of the sealed housing 5, and the packing 3 (e.g., O-ring) is mounted on the groove 52 of the panel 51 of the sealed housing 5 at the position where the BMA pin connector 2 is mounted. When the BMA jack connector 1 installed on the quick plug-in module 4 and the BMA pin connector 2 installed on the panel 51 of the sealed chassis 5 are plugged, the inner core of the BMA jack connector 1 is jacked up, a gap is generated between the inner core and the housing, but because the quick plug-in module 4 is wholly located in the inner space of the sealed chassis 5, the gap does not damage the sealing performance of the sealed chassis 5. The BMA pin connector 2 installed on the panel 51 of the sealing case 5 is of an integrated structure, a gap is not generated between the BMA pin connector 2 and the BMA jack connector 1 installed on the quick plug-in module 4 when the BMA jack connector and the panel 51 are plugged, meanwhile, the sealing ring 3 plays a role in sealing the flange part of the BMA pin connector 2 under the compression action of the BMA pin connector 2 and the panel 51, therefore, all installation parts of the BMA pin connector 2 on the panel 51 of the sealing case 5 are sealed, and the sealed input and output of multi-channel radio frequency are realized. Meanwhile, the radio frequency signal between the quick plug-in module 4 and the panel 51 of the sealed case 5 is still transmitted through the floating blind-mate connector, BMA, the quick plug-in module 4 still has the characteristic of quick plug-in when being installed, detached and replaced in the sealed case 5, and a rear mounting plate does not need to be added in the sealed case 5.
The parts not involved in the present invention are the same as or can be implemented using the prior art.
The above-described embodiment is only one embodiment of the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be easily made based on the application and principle of the present invention disclosed in the present application, and the present invention is not limited to the method described in the above-described embodiment of the present invention, so that the above-described embodiment is only preferred, and not restrictive.
Other embodiments than the above examples may be devised by those skilled in the art based on the foregoing disclosure, or by adapting and using knowledge or techniques of the relevant art, and features of various embodiments may be interchanged or substituted and such modifications and variations that may be made by those skilled in the art without departing from the spirit and scope of the present invention are intended to be within the scope of the following claims.
Claims (6)
1. A multi-path radio frequency sealing input and output device based on a BMA connector comprises a sealing cabinet (5), and is characterized by comprising a BMA jack connector (1), a BMA pin connector (2) and a sealing ring (3); the BMA jack connector (1) is arranged on a quick plug-in module (4) in a sealed case (5) and serves as a free end; the BMA pin connector (2) is arranged on a panel (51) of the sealed case (5) to be used as a fixed end; meanwhile, a groove (52) is formed in the mounting position of the BMA pin connector (2) on the panel (51) of the sealed case (5), and the sealing ring (3) is mounted in the groove (52).
2. The BMA connector-based multi-radio frequency sealed input and output device according to claim 1, wherein the BMA receptacle connector (1) is composed of a two-body structure of a shell (11) and a core (12).
3. The BMA connector-based multi-radio frequency sealed input-output device according to claim 1, wherein the BMA pin connector (2) is a unitary structure.
4. The BMA connector-based multi-radio frequency sealed input-output device according to claim 1, wherein the sealing ring (3) comprises an O-ring.
5. The multi-channel radio frequency sealed input and output device based on the BMA connector according to any one of claims 1 to 3, characterized in that the BMA pin connector (2) installed on the panel (51) of the sealed cabinet (5) and the BMA jack connector (1) installed on the quick plug-in module (4) do not generate a gap when being plugged, and the sealing ring (3) plays a role in sealing the flange part of the BMA pin connector (2) under the compression action of the BMA pin connector (2) and the panel (51).
6. The BMA connector-based multi-radio frequency sealed input and output device according to claim 5, wherein the sealing ring (3) comprises an O-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237886.8A CN113937553B (en) | 2021-10-25 | 2021-10-25 | Multipath radio frequency sealing input/output device based on BMA connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111237886.8A CN113937553B (en) | 2021-10-25 | 2021-10-25 | Multipath radio frequency sealing input/output device based on BMA connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113937553A true CN113937553A (en) | 2022-01-14 |
| CN113937553B CN113937553B (en) | 2023-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111237886.8A Active CN113937553B (en) | 2021-10-25 | 2021-10-25 | Multipath radio frequency sealing input/output device based on BMA connector |
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| Country | Link |
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| CN (1) | CN113937553B (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4227765A (en) * | 1979-02-12 | 1980-10-14 | Raytheon Company | Coaxial electrical connector |
| US5026302A (en) * | 1990-06-08 | 1991-06-25 | W. L. Gore & Associates, Inc. | Connector |
| CN1322039A (en) * | 2000-03-31 | 2001-11-14 | 特克特朗尼克公司 | Electronic interconnected adapter for high-speed signal and data transfer |
| US6468100B1 (en) * | 2001-05-24 | 2002-10-22 | Tektronix, Inc. | BMA interconnect adapter |
| US6488545B1 (en) * | 2001-09-14 | 2002-12-03 | Tektronix, Inc. | Electrical signal interconnect assembly |
| CN201466409U (en) * | 2009-05-19 | 2010-05-12 | 武汉德威斯电子技术有限公司 | radio-frequency coaxial connector |
| CN101916948A (en) * | 2010-08-12 | 2010-12-15 | 芯通科技（成都）有限公司 | Blind-mating connection device in remote radio unit |
| CN201717423U (en) * | 2010-04-27 | 2011-01-19 | 芯通科技（成都）有限公司 | Radio frequency remote unit |
| CN101997208A (en) * | 2010-12-06 | 2011-03-30 | 西安富士达科技股份有限公司 | Floatable radio frequency coaxial adapter |
| CN201853914U (en) * | 2010-08-02 | 2011-06-01 | 陕西华达通讯技术有限公司 | BMA-series floating blind-mate type RF (radio frequency) coaxial socket connector |
| CN104124565A (en) * | 2014-08-04 | 2014-10-29 | 中国工程物理研究院总体工程研究所 | Explosion-proof hermetic switching device for radiofrequency cable |
| CN106229775A (en) * | 2016-08-29 | 2016-12-14 | 中天射频电缆有限公司 | Quick blind-mate and the radio frequency (RF) coaxial connector of floating type installation and method of attachment |
| CN206490236U (en) * | 2017-02-15 | 2017-09-12 | 合肥凯利科技投资有限公司 | A kind of water-proof type fast-wiring controller for electric vehicle |
| CN110690627A (en) * | 2019-10-14 | 2020-01-14 | 西安天泽利华电子科技有限公司 | Blind-plugging self-locking connector |
| CN111432584A (en) * | 2020-03-27 | 2020-07-17 | 深圳市泰士特科技股份有限公司 | Combined wiring connection tray device |
| CN111490398A (en) * | 2020-03-25 | 2020-08-04 | 中国电子科技集团公司第二十九研究所 | Cluster radio frequency connector with electromagnetic compatibility, sealing performance and floating performance |
| CN111653898A (en) * | 2020-06-19 | 2020-09-11 | 成都宏明电子股份有限公司 | Anti-loosening sealing electric connector special for case |
-
2021
- 2021-10-25 CN CN202111237886.8A patent/CN113937553B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4227765A (en) * | 1979-02-12 | 1980-10-14 | Raytheon Company | Coaxial electrical connector |
| US5026302A (en) * | 1990-06-08 | 1991-06-25 | W. L. Gore & Associates, Inc. | Connector |
| CN1322039A (en) * | 2000-03-31 | 2001-11-14 | 特克特朗尼克公司 | Electronic interconnected adapter for high-speed signal and data transfer |
| US6468100B1 (en) * | 2001-05-24 | 2002-10-22 | Tektronix, Inc. | BMA interconnect adapter |
| US6488545B1 (en) * | 2001-09-14 | 2002-12-03 | Tektronix, Inc. | Electrical signal interconnect assembly |
| CN201466409U (en) * | 2009-05-19 | 2010-05-12 | 武汉德威斯电子技术有限公司 | radio-frequency coaxial connector |
| CN201717423U (en) * | 2010-04-27 | 2011-01-19 | 芯通科技（成都）有限公司 | Radio frequency remote unit |
| CN201853914U (en) * | 2010-08-02 | 2011-06-01 | 陕西华达通讯技术有限公司 | BMA-series floating blind-mate type RF (radio frequency) coaxial socket connector |
| CN101916948A (en) * | 2010-08-12 | 2010-12-15 | 芯通科技（成都）有限公司 | Blind-mating connection device in remote radio unit |
| CN101997208A (en) * | 2010-12-06 | 2011-03-30 | 西安富士达科技股份有限公司 | Floatable radio frequency coaxial adapter |
| CN104124565A (en) * | 2014-08-04 | 2014-10-29 | 中国工程物理研究院总体工程研究所 | Explosion-proof hermetic switching device for radiofrequency cable |
| CN106229775A (en) * | 2016-08-29 | 2016-12-14 | 中天射频电缆有限公司 | Quick blind-mate and the radio frequency (RF) coaxial connector of floating type installation and method of attachment |
| CN206490236U (en) * | 2017-02-15 | 2017-09-12 | 合肥凯利科技投资有限公司 | A kind of water-proof type fast-wiring controller for electric vehicle |
| CN110690627A (en) * | 2019-10-14 | 2020-01-14 | 西安天泽利华电子科技有限公司 | Blind-plugging self-locking connector |
| CN111490398A (en) * | 2020-03-25 | 2020-08-04 | 中国电子科技集团公司第二十九研究所 | Cluster radio frequency connector with electromagnetic compatibility, sealing performance and floating performance |
| CN111432584A (en) * | 2020-03-27 | 2020-07-17 | 深圳市泰士特科技股份有限公司 | Combined wiring connection tray device |
| CN111653898A (en) * | 2020-06-19 | 2020-09-11 | 成都宏明电子股份有限公司 | Anti-loosening sealing electric connector special for case |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113937553B (en) | 2023-09-22 |
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