CN113690679A - Small-sized multi-channel blind-mating interconnection low-frequency connector - Google Patents
Small-sized multi-channel blind-mating interconnection low-frequency connector Download PDFInfo
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- CN113690679A CN113690679A CN202110974242.0A CN202110974242A CN113690679A CN 113690679 A CN113690679 A CN 113690679A CN 202110974242 A CN202110974242 A CN 202110974242A CN 113690679 A CN113690679 A CN 113690679A
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- 230000007704 transition Effects 0.000 claims description 10
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 description 22
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000003491 array Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 5
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000011257 shell material Substances 0.000 description 4
- KGWWEXORQXHJJQ-UHFFFAOYSA-N [Fe].[Co].[Ni] Chemical compound [Fe].[Co].[Ni] KGWWEXORQXHJJQ-UHFFFAOYSA-N 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000001788 irregular Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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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
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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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
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
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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
- H01R13/46—Bases; Cases
- H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
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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
- H01R13/64—Means for preventing incorrect coupling
- H01R13/642—Means for preventing incorrect coupling by position or shape of contact members
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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
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
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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
- H01R25/00—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
- H01R25/006—Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits the coupling part being secured to apparatus or structure, e.g. duplex wall receptacle
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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
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/02—Connectors or connections adapted for particular applications for antennas
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to the field of low-frequency connectors, in particular to a small multi-channel blind-mate interconnection low-frequency connector which comprises a connector plug unit, wherein the connector plug unit comprises at least 4 plugs fixedly arranged together, and all the plugs are distributed in a central symmetry manner; the connector socket unit comprises a plurality of sockets, the sockets correspond to the plugs one by one, jacks are arranged on the sockets, and the plugs can be inserted into the jacks to be installed together with the sockets; the connector plug unit and the connector socket unit are matched and installed to form a blind-mating interconnection connector pair. The invention has the advantages that: the connector is small in size and simple in structure, is suitable for a structure of multi-stage vertical blind matching interconnection of the satellite-borne phased array, and ensures application of a high-integration satellite-borne phased array technology.
Description
Technical Field
The invention relates to the field of low-frequency connectors, in particular to a small multi-channel blind-mate interconnection low-frequency connector.
Background
The phased array system becomes the main system of the radar at the present stage due to the flexibility of wave beams and the convenience of extensible array surfaces. However, the phased array system has a compact structure, a small volume and a light weight requirement, and particularly when applied to a satellite-borne millimeter wave environment, the phased array system has severe requirements on the light weight and the small size of a load, the advantages and the difficulties of the phased array system are difficult to balance for a long time when applied to a satellite-borne product, the advantages of the phased array system are exerted, the difficulties of the phased array system are solved, and the phased array system is a technical premise that the phased array system is widely applied to the satellite-borne product. The compact structural architecture of the phased array puts high requirements on signal interconnection between functional modules and components.
In the phased array system in the prior art, interconnection is mostly realized by adopting a plug and socket matching mode, for example, chinese patent application with publication number CN112582818A discloses a low frequency connector and a KA band phased array antenna, which include a plug and a socket that are mutually inserted, the plug is used for being arranged on a wave control board, the socket is used for being arranged on a subarray, and the wave control board and the subarray are electrically connected through the mutual insertion of the plug and the socket. The wave control panel is provided with a plug, the subarray is provided with a socket, the plug and the socket are oppositely plugged, the wave control panel and the subarray can be conducted, and power supply and control signal blind plugging interconnection between the array and the wave control panel is achieved.
For another example, chinese patent application with publication No. CN112599987A discloses a KA-band phased array antenna, which includes a wavefront, a structural support, and a wave-controlled power dividing module, which are stacked in sequence, where the wavefront includes a plurality of sub-arrays, and the sub-arrays and the wave-controlled power dividing module are connected with each other by blind-mating through a low-frequency connector and a radio-frequency connector, which respectively pass through the structural support. The low-frequency connector comprises sockets arranged in array gaps of the chips and plugs correspondingly arranged on the wave control board, and the sub-arrays are electrically connected with the wave control board through the plug and the socket in opposite insertion.
Then as the chinese utility model patent of publication No. CN212136697U discloses an active phased array antenna low frequency interconnect structure of super large array face, wherein respectively all be provided with first low frequency connector on the TR module, each all be provided with on the ripples accuse distributing plate with the TR module assorted second low frequency connector that is connected, first low frequency connector with the second low frequency connector adopts plug-in to connect. The first low-frequency connector is a first low-frequency socket, and the second low-frequency connector is a first low-frequency plug.
The traditional low-frequency connector is matched with standard 9-core, 15-core, 21-core and other contact elements in number, the contact element interval is 1.27mm, and the size is large. In addition, more application forms of the method are that electric signals of two channels between two components are independently interconnected, the problems of line throwing length and path planning are mainly considered through the switching of cables, the method is complicated, or the problem of one-to-one blind matching is singly considered, the application scene is limited, the method is not suitable for a structure of multi-stage vertical blind matching interconnection of a satellite-borne phased array, and the application of a high-integration satellite-borne phased array technology is influenced. To a certain extent, the problems of microminiaturization of the connector and interconnection of the connection pair are solved, and the problem of the architecture of the phased array system is solved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows:
the connector in the prior art is large in size and complex in structure, is not suitable for a multi-stage vertical blind matching interconnection framework of a satellite-borne phased array, and solves the technical problem that the application of a high-integration satellite-borne phased array technology is influenced.
The invention solves the technical problems by the following technical means: a small-sized multi-channel blind-mate interconnection low-frequency connector comprises a connector plug unit, wherein the connector plug unit comprises at least 4 plugs which are fixedly arranged together, and all the plugs are distributed in a central symmetry manner;
the connector socket unit comprises a plurality of sockets, the sockets correspond to the plugs one by one, jacks are arranged on the sockets, and the plugs can be inserted into the jacks to be installed together with the sockets;
the connector plug unit and the connector socket unit are matched and installed to form a blind-mating interconnection connector pair.
When the small-sized multi-channel blind-mate interconnection low-frequency connector is actually applied, 4 plugs are integrated to form a connector plug unit, two groups of plugs are distributed in a central symmetry mode, the connector plug unit can be ensured to be matched with a corresponding connector socket unit even when rotating 180 degrees, the use is convenient, and a blind-mate interconnection connector pair formed by the connector plug unit and the connector socket unit in a matched installation mode can be expanded according to actual requirements so as to meet actual interconnection requirements. The invention solves the problem of light small-sized multi-channel low-frequency blind matching interconnection of a satellite-borne phased array system, the multi-channel blind matching interconnection low-frequency connector can be applied to phased array systems of various specifications, and the miniaturized, multi-channel and easily-expanded design framework of the multi-channel blind matching interconnection low-frequency connector is particularly suitable for millimeter wave satellite-borne phased arrays and realizes high-reliability blind matching interconnection of electric signals in narrow space. In addition, based on the unified design concept of structural interconnection and electrical interconnection, the invention can expand the plugs on the plug units of the connector or adjust the unit spacing according to the array surface size of the phased array and the requirement of a vertical blind-mating framework so as to quickly construct connector pairs suitable for different phased array systems, the socket can be directly welded on a micro component module due to the miniaturization of the socket, the multichannel integrated design of the plug and the multichannel independent design framework of the socket enhance the flexibility of the application form of the blind-mating interconnection of the connector to a certain extent. The vertical blind-mate interconnection framework is particularly suitable for high-density, miniaturized and light-weight vertical blind-mate interconnection frameworks of satellite-borne millimeter wave assemblies, the plugging and pulling are soft, the connection is reliable, the design is easy to process, the labor and time cost of a phased array complete machine system can be reduced due to the application of the interconnection framework, the technical risk that hidden technical risks are brought due to wiring redundancy caused by the fact that multiple cables of interconnection interfaces of the phased array framework are connected in a switching mode is avoided, and the reliability and the safety of the whole system after multi-level blind-mate are improved.
Preferably, the connector plug unit comprises a mounting flange, and the plugs are all arranged on the mounting flange.
Preferably, the 4 plugs in the same connector plug unit are distributed on the same straight line.
Preferably, the cross-sectional shapes of the plug and the jack on the socket are both special-shaped cross-sections, the special-shaped cross-sections can be superposed with the special-shaped cross-sections before rotation only when the plug and the jack on the socket rotate by n × 360 degrees, wherein n is a natural number.
The cross-sectional shapes of the plug and the jack on the socket are both set to be special-shaped cross sections, so that the plug can be ensured to be inserted into the jack only in one fixed posture, the installation error of the plug or the socket is prevented, and the accurate connection is ensured.
Preferably, the cross-sectional shapes of the plug and the jack on the socket are both the shapes formed by right-angle trapezoid chamfers.
Preferably, the plug is provided with a plurality of pin holes, and each pin hole is internally provided with a pin;
plug bushes are arranged in the jacks and correspond to the contact pins one by one, and when the plug is inserted into the jacks, the contact pins can be inserted into the corresponding plug bushes.
Optimally, each plug is provided with 3 pin holes, and 3 pins in the 3 pin holes are distributed in a triangular manner;
each jack is internally provided with 3 plug bushes, and the 3 plug bushes are distributed in a triangular manner.
The triangular arrangement structure ensures the operability of the pin (namely the plug bush) at the tail end of the socket during the overlapping of the gold wires and the spacious space during the wiring.
Optimally, the distance between two adjacent contact pins on the same plug is 1 mm;
the distance between two adjacent plug bushes on the same socket is 1 mm.
The distance between the contact pins and the distance between the plug bushes are set to be 1mm, so that the whole structure is more compact, and the whole volume is smaller.
Preferably, the plug comprises a transition end and a plugging end, the cross section size of the transition end is larger than that of the plugging end, and the plugging end can be inserted into the jack.
During actual installation, the plugging end is inserted into the jack, the plugging end serves as an electrical meshing surface and a mechanical guide post of a plugging interface, and sufficient rigidity and strength are guaranteed due to optimized structural design and material selection.
Preferably, the socket is provided with a flange, and the flange is positioned at one end of the jack opening.
The invention has the advantages that:
1. when the small-sized multi-channel blind-mate interconnection low-frequency connector is actually applied, 4 plugs are integrated to form a connector plug unit, two groups of plugs are distributed in a central symmetry mode, the connector plug unit can be ensured to be matched with a corresponding connector socket unit even when rotating 180 degrees, the use is convenient, and a blind-mate interconnection connector pair formed by the connector plug unit and the connector socket unit in a matched installation mode can be expanded according to actual requirements so as to meet actual interconnection requirements. The invention solves the problem of light small-sized multi-channel low-frequency blind matching interconnection of a satellite-borne phased array system, the multi-channel blind matching interconnection low-frequency connector can be applied to phased array systems of various specifications, and the miniaturized, multi-channel and easily-expanded design framework of the multi-channel blind matching interconnection low-frequency connector is particularly suitable for millimeter wave satellite-borne phased arrays and realizes high-reliability blind matching interconnection of electric signals in narrow space. In addition, based on the unified design concept of structural interconnection and electrical interconnection, the invention can expand the plugs on the plug units of the connector or adjust the unit spacing according to the array surface size of the phased array and the requirement of a vertical blind-mating framework so as to quickly construct connector pairs suitable for different phased array systems, the socket can be directly welded on a micro component module due to the miniaturization of the socket, the multichannel integrated design of the plug and the multichannel independent design framework of the socket enhance the flexibility of the application form of the blind-mating interconnection of the connector to a certain extent. The vertical blind-mate interconnection framework is particularly suitable for high-density, miniaturized and light-weight vertical blind-mate interconnection frameworks of satellite-borne millimeter wave assemblies, the plugging and pulling are soft, the connection is reliable, the design is easy to process, the labor and time cost of a phased array complete machine system can be reduced due to the application of the interconnection framework, the technical risk that hidden technical risks are brought due to wiring redundancy caused by the fact that multiple cables of interconnection interfaces of the phased array framework are connected in a switching mode is avoided, and the reliability and the safety of the whole system after multi-level blind-mate are improved.
2. The cross-sectional shapes of the plug and the jack on the socket are both set to be special-shaped cross sections, so that the plug can be ensured to be inserted into the jack only in one fixed posture, the installation error of the plug or the socket is prevented, and the accurate connection is ensured.
3. The triangular arrangement structure ensures the operability of the pin (namely the plug bush) at the tail end of the socket during the overlapping of the gold wires and the spacious space during the wiring.
4. The distance between the contact pins and the distance between the plug bushes are set to be 1mm, so that the whole structure is more compact, and the whole volume is smaller.
5. During actual installation, the plugging end is inserted into the jack, the plugging end serves as an electrical meshing surface and a mechanical guide post of a plugging interface, and sufficient rigidity and strength are guaranteed due to optimized structural design and material selection.
Drawings
FIG. 1 is a schematic diagram of a small multi-channel blind mate interconnect low frequency connector according to an embodiment of the present invention;
FIGS. 2 and 3 are exploded views of a small multichannel blind mate interconnection low frequency connector according to an embodiment of the present invention;
FIG. 4 is a top view of a connector plug unit in an embodiment of the present invention;
FIG. 5 is a bottom view of the connector plug unit in an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a bottom view of the connector receptacle unit of the present embodiment;
FIG. 8 is a top view of a connector receptacle unit in an embodiment of the present invention;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;
FIG. 10 is a schematic diagram of a small-sized multi-channel blind-mate interconnection low-frequency connector according to an embodiment of the present invention in practical use;
FIG. 11 is a top view of a small multi-channel blind mate interconnection low frequency connector according to an embodiment of the present invention in practical use;
FIG. 12 is a cross-sectional view taken at C-C of FIG. 11;
FIG. 13 is an enlarged view of a portion D of FIG. 12;
fig. 14 is a schematic layout diagram of a small-sized multi-channel blind-mate interconnection low-frequency connector in an embodiment of the present invention in practical application;
wherein,
a connector plug unit-1; a mounting flange-11; a plug-12; mounting holes-111; a dowel hole-112; a pin insertion hole-121; pin-122; transition end-123; plug end-124;
a connector receptacle unit-2; a socket-21; a jack-211; a plug bush-212; flange-213.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the small-sized multi-channel blind-mate interconnection low-frequency connector comprises a connector plug unit 1 and a connector socket unit 2.
The connector plug unit 1 comprises at least 4 plugs 12 fixedly mounted together, as shown in fig. 2 and 3, and in this embodiment, each connector plug unit 1 comprises 4 plugs 12 fixedly mounted together, as shown in fig. 5, and all the plugs 12 are distributed in a central symmetry manner.
Specifically, as shown in fig. 3 and 4, the connector plug unit 1 includes a mounting flange 11, and the plugs 12 are disposed on the mounting flange 11. The 4 plugs 12 in the same connector plug unit 1 are distributed on the same straight line. The mounting flange 11 is of a strip-shaped plate-shaped structure, and the width of the mounting flange 11 is 4.5mm, and the length of the mounting flange is 26.3 mm. The plug 12 has a height of 8mm (including a mounting flange 11 thickness of 2 mm). The total weight of the connector plug unit 1 was 1.6 g.
As shown in fig. 2, three mounting holes 111 with a diameter of 1.8mm are formed in the mounting flange 11, and two positioning pin holes 112 with a diameter of 1mm are also formed in the mounting flange 11. The shell material of the plug 12 is preferably iron-cobalt-nickel glass sealing alloy 4J 29.
As shown in fig. 2, the connector receptacle unit 2 includes a plurality of receptacles 21, the receptacles 21 correspond to the plugs 12 one by one, the receptacles 21 are provided with insertion holes 211, and the plugs 12 can be inserted into the insertion holes 211 and then mounted together with the receptacles 21; the connector plug unit 1 and the connector socket unit 2 are installed in a matched mode to form a blind-matching interconnection connector pair.
As shown in fig. 5 and 8, the cross-sectional shapes of the plug 12 and the insertion hole 211 on the socket 21 are both irregular cross-sections, which can be overlapped with the irregular cross-section before rotation only when the plug is rotated by n × 360 °, where n is a natural number.
As shown in fig. 5 and 8, the cross-sectional shapes of the insertion holes 211 of the plug 12 and the socket 21 are both formed by right-angled trapezoidal chamfers.
As shown in fig. 3 and 5, the plug 12 is provided with a plurality of pin holes 121, and each pin hole 121 is provided with a pin 122;
as shown in fig. 2, 8 and 9, sockets 212 are provided in the sockets 211, the sockets 212 correspond to the pins 122 one to one, and when the plug 12 is inserted into the socket 211, the pins 122 can be inserted into the corresponding sockets 212.
As shown in fig. 3 and 5, each plug 12 is provided with 3 pin holes 121, and 3 pins 122 in the 3 pin holes 121 are distributed in a triangular shape;
as shown in fig. 2, 8 and 9, 3 sockets 212 are arranged in each socket 211, and the 3 sockets 212 are distributed according to a triangle. The pin at the rear end of the socket (i.e. the rear end of the sleeve 212) is designed to be two long and one short, the length of the pin 1 and the pin 2 extending from the end of the plug 12 is 2.4mm, and the length of the pin 3 extending from the end of the plug 12 is 1.5 mm. With reference to fig. 3 and 7, the tail end of the pin is designed with a 0.9mm long plane wedge, so that operability and wide routing space of the pin at the tail end of the socket during gold wire lapping are ensured.
The distance between two adjacent pins 122 on the same plug 12 is 1 mm; the distance between two adjacent sockets 212 on the same socket 21 is 1 mm.
As shown in fig. 2 and 6, the plug 12 includes a transition end 123 and a plug end 124, the cross-sectional dimension of the transition end 123 is larger than that of the plug end 124, and the plug end 124 can be inserted into the insertion hole 211. The length of the plugging end 124 is 3.5mm, and the length of the transition end 123 is 2.5 mm.
As shown in fig. 2, the socket 21 is provided with a flange 213, and the flange 213 is located at one end of the opening of the insertion hole 211. The shape of the flange 213 is a rectangular shape with four corners chamfered, and the flange 213 has a length of 4.25mm and a width of 4.12mm, and weighs 0.4g per socket 21. The shell material of the socket 21 is preferably iron-cobalt-nickel glass sealing alloy 4J29 matched with the plug, the surface of the shell material is plated with gold of 0.5-0.8 microns, and the shell material is a single-channel light and small sealed welding connector socket.
When the plug and the socket are in blind matching and interconnection, the transition end of the plug is relied on, and after the plug and the socket are engaged, the assembly allowance of 0.3mm is reserved in the axial direction, so that the overlarge axial pressing force is avoided, and the interconnection reliability is ensured. The connector plug is designed with a structural form of a transition end and a plug end, the materials are all iron-cobalt-nickel glass sealing alloy 4J29 with high strength, when the connector plug is matched with a socket and then has axial external force, the structure and the materials jointly provide enough rigidity guarantee, the connection reliability and the axial floating space are guaranteed, and meanwhile, the materials have good thermal expansion resistance.
Referring to fig. 10 to 14, in practical application, this embodiment is a typical 16-channel multi-component vertical blind-mate interconnection case in a satellite-borne Ka-band phased array system, four sets of connector plug units 1 are installed at the lower end of a module 3, specifically, an installation flange 11 of each connector plug unit 1 is installed at the lower end of a housing of the module 3 through 3 pan head screws M1.6 and through an installation hole 111, and a positioning pin passes through a positioning pin hole 112 to realize positioning. The tail end is wired to the module printed board.
As shown in fig. 10, 12 and 14, the four sets of connector plug units 1 are arranged in a row, the four sets of connector receptacle units 2 corresponding to the four sets of connector plug units 1 are respectively soldered to the corresponding components 4, and the tail ends are lap-soldered to the component microstrip board. Considering the optimal design of the phased array structure and the common high-density antenna unit arrangement form, the phased array is suitable for a few and not suitable for a plurality of types of 'assemblies', and one 'assembly' is usually rotated by 180 degrees for repeated use, so that the development cost of the phased array is reduced, and the development period is shortened.
After the 4 groups of connector plug units 1 are installed, a low-frequency connection plug framework containing 16 plugs and 48 cores is formed, and the structural design ensures the unit spacing precision of the assembled passage.
As shown in fig. 12 and 13, in this embodiment, two kinds of components 4 are provided, namely, a first component 41 and a second component 42, in this embodiment, from left to right, of four components corresponding to each connector plug unit 1, the four components are sequentially arranged in the manner of the second component 42, the first component 41, the second component 42, and the first component 41, and the socket 21 is provided on the corresponding component, and it is ensured that the socket 21 can be plugged into the plug 12 in the connector plug unit 1.
Specifically, in the present embodiment, two second modules 42 are identical in structure in the modules corresponding to the same connector plug unit 1, and the two second modules differ only in that one of the second modules is arranged by being rotated 180 ° with respect to the other, and the two first modules 41 are arranged similarly.
The socket can be directly welded on the micro-assembly due to miniaturization, and the multichannel integrated design of the plug and the multichannel independent design framework of the socket enhance the flexibility of the blind-mate interconnection application form of the connector to a certain extent.
The working principle is as follows:
when the small-sized multi-channel blind-mate interconnection low-frequency connector is practically applied, 4 plugs 12 are integrated to form a connector plug unit 1, the two groups of plugs 12 are distributed in a central symmetry mode, the connector plug unit 1 can still be matched with the corresponding connector socket unit 2 after rotating 180 degrees, the use is convenient, and a blind-mate interconnection connector pair formed by the connector plug unit 1 and the connector socket unit 2 in a matched installation mode can be expanded according to practical requirements so as to meet the practical interconnection requirements. The invention solves the problem of light small-sized multi-channel low-frequency blind matching interconnection of a satellite-borne phased array system, the multi-channel blind matching interconnection low-frequency connector can be applied to phased array systems of various specifications, and the miniaturized, multi-channel and easily-expanded design framework of the multi-channel blind matching interconnection low-frequency connector is particularly suitable for millimeter wave satellite-borne phased arrays and realizes high-reliability blind matching interconnection of electric signals in narrow space. In addition, based on the unified design concept of structural interconnection and electrical interconnection, the invention can expand the plug 12 on the plug unit 1 of the connector or adjust the unit spacing according to the array surface size of the phased array and the requirement of a vertical blind-mating framework so as to realize the rapid construction of a connector pair suitable for different phased array systems, the socket can be directly welded on a micro component module due to the miniaturization of the socket, the multichannel integrated design of the plug and the multichannel independent design framework of the socket enhance the flexibility of the application form of the blind-mating interconnection of the connector to a certain extent. The vertical blind-mate interconnection framework is particularly suitable for high-density, miniaturized and light-weight vertical blind-mate interconnection frameworks of satellite-borne millimeter wave assemblies, the plugging and pulling are soft, the connection is reliable, the design is easy to process, the labor and time cost of a phased array complete machine system can be reduced due to the application of the interconnection framework, the technical risk that hidden technical risks are brought due to wiring redundancy caused by the fact that multiple cables of interconnection interfaces of the phased array framework are connected in a switching mode is avoided, and the reliability and the safety of the whole system after multi-level blind-mate are improved.
The sectional shapes of the plug 12 and the jack 211 on the socket 21 are both set to be irregular sections, so that the plug 12 can be ensured to be inserted into the jack 211 only in one fixed posture, the mounting error of the plug 12 or the socket 21 is prevented, and the accurate connection is ensured.
The triangular arrangement structure ensures the operability of inserting and sleeving the pins at the tail end of the socket in the overlapping process of the gold wires and the spacious space in wiring.
The distance between the pins 122 and the distance between the plug bushes 212 are set to be 1mm, so that the overall structure is more compact and the overall volume is smaller.
During actual installation, the plugging end 124 is inserted into the insertion hole 211, and the plugging end 124 serves as an electrical engagement surface and a mechanical guide post of a plugging interface, so that the optimized structural design and material selection bring sufficient rigidity and strength guarantee.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a small-size multichannel blind mate interconnection low frequency connector which characterized in that: the connector plug unit comprises a connector plug unit (1), wherein the connector plug unit (1) comprises at least 4 plugs (12) fixedly arranged together, and all the plugs (12) are distributed in a central symmetry manner;
the connector socket unit (2) comprises a plurality of sockets (21), the sockets (21) correspond to the plugs (12) one by one, the sockets (21) are provided with jacks (211), and the plugs (12) can be inserted into the jacks (211) and then are installed together with the sockets (21);
the connector plug unit (1) and the connector socket unit (2) are installed in a matched mode to form a blind-matching interconnection connector pair.
2. A miniature multichannel blind mate interconnection low frequency connector according to claim 1, wherein: the connector plug unit (1) comprises a mounting flange (11), and the plugs (12) are arranged on the mounting flange (11).
3. A miniature multichannel blind mate interconnection low frequency connector according to claim 1, wherein: the 4 plugs (12) in the same connector plug unit (1) are distributed on the same straight line.
4. A miniature multichannel blind mate interconnection low frequency connector according to claim 1, wherein: the cross-sectional shapes of the plug (12) and the plug hole (211) on the socket (21) are both special-shaped cross sections, the special-shaped cross sections can be superposed with the special-shaped cross sections before rotation only when the plug is rotated by n x 360 degrees, wherein n is a natural number.
5. The miniature multichannel blind mate interconnection low frequency connector according to claim 4, wherein: the cross sections of the plug (12) and the plug hole (211) on the socket (21) are both in the shape formed by right-angle trapezoid chamfers.
6. A miniature multichannel blind mate interconnection low frequency connector according to claim 1, wherein: the plug (12) is provided with a plurality of pin holes (121), and each pin hole (121) is internally provided with a pin (122);
plug bushes (212) are arranged in the plug holes (211), the plug bushes (212) correspond to the plug pins (122) one by one, and when the plug (12) is inserted into the plug holes (211), the plug pins (122) can be inserted into the corresponding plug bushes (212).
7. The miniature multichannel blind mate interconnection low frequency connector according to claim 6, wherein: each plug (12) is provided with 3 pin holes (121), and 3 pins (122) in the 3 pin holes (121) are distributed in a triangular manner;
each jack (211) is internally provided with 3 plug bushes (212), and the 3 plug bushes (212) are distributed in a triangular manner.
8. A miniature multichannel blind mate interconnection low frequency connector according to claim 7, wherein: the distance between two adjacent contact pins (122) on the same plug (12) is 1 mm;
the distance between two adjacent plug bushes (212) on the same socket (21) is 1 mm.
9. A miniature multichannel blind mate interconnection low frequency connector according to claim 1, wherein: the plug (12) comprises a transition end (123) and a plugging end (124), the cross section of the transition end (123) is larger than that of the plugging end (124), and the plugging end (124) can be inserted into the jack (211).
10. A miniature multichannel blind mate interconnection low frequency connector according to claim 1, wherein: a flange (213) is arranged on the socket (21), and the flange (213) is positioned at one end of the opening of the jack (211).
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| CN202110974242.0A CN113690679B (en) | 2021-08-24 | 2021-08-24 | Small-sized multichannel blind-mate interconnection low-frequency connector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118278147A (en) * | 2024-06-04 | 2024-07-02 | 中国电子科技集团公司第三十八研究所 | Phased array antenna blind matching interconnection reliability evaluation method and system |
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| CN118278147B (en) * | 2024-06-04 | 2024-08-06 | 中国电子科技集团公司第三十八研究所 | Phased array antenna blind matching interconnection reliability evaluation method and system |
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| Publication number | Publication date |
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| CN113690679B (en) | 2023-12-05 |
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