CN110504570B - Flexible floating microcircuit switching device - Google Patents
Flexible floating microcircuit switching device Download PDFInfo
- Publication number
- CN110504570B CN110504570B CN201910788062.6A CN201910788062A CN110504570B CN 110504570 B CN110504570 B CN 110504570B CN 201910788062 A CN201910788062 A CN 201910788062A CN 110504570 B CN110504570 B CN 110504570B
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- Prior art keywords
- wire rope
- steel wire
- base
- positioning pin
- mounting hole
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
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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
- H01R13/502—Bases; Cases composed of different pieces
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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
-
- 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
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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
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
Abstract
The invention discloses a flexible floating microcircuit switching device which comprises a support, a positioning pin, a base, a steel wire rope and a dielectric plate, wherein the support is fixedly connected with the positioning pin; comprises a bracket, a positioning pin, a base, a steel wire rope and a dielectric slab. The upper end of the bracket is provided with a medium plate, two sides of the lower end of the bracket are provided with a positioning pin and a steel wire rope, the lower ends of the positioning pin and the steel wire rope are arranged on the base, and a spring is sleeved outside the positioning pin; one side of the lower ends of every two brackets is connected with a base. The positioning pin is movably connected with the support and fixedly connected with the base, and the steel wire rope is fixedly connected with the support and the base. The design of the spring ensures the redundancy and pressing force in the blind plugging direction, and the function of positioning restraint is achieved through the connection limitation of the steel wire rope. Meanwhile, the steel wire rope realizes the fixed constraint of the support and the base and meets the requirement of flexible floating.
Description
Technical Field
The invention relates to a flexible floating microcircuit switching device, and belongs to the technical field of microwaves.
Background
Microcircuits are widely used in electronic equipment systems, and are responsible for high-density and high-quality high-speed signal transmission. With the development of a new generation of active phased array radar antenna microwave system in the direction of high power, multiple functions and high integration, the space of equipment in a plane is narrow, the system integration complexity is higher and higher, the requirements on the applicability, reliability and environmental adaptability of a microcircuit switching device are higher and higher, and the high-speed transmission of vertical connection between boards and the vertical interconnection between microwave modules become a key problem.
In response to the above requirements of electronic devices, the redundancy, the reliability and the modular design gradually become the basic trend of the microcircuit switching device. The current switching device has few blind-mate designs for realizing flexible floating, and is particularly suitable for occasions where high-precision press-fit contact is needed for a dielectric plate.
Disclosure of Invention
Aiming at the defects, the invention provides the flexible floating microcircuit switching device, which realizes the radial and axial flexible floating adjustment, not only achieves the aims of high redundancy and high-precision connection, but also realizes quick replacement and design expansion, and is convenient to maintain and reuse. This flexible unsteady microcircuit switching device can satisfy multiple application demand, especially the occasion that the dielectric plate needs high accuracy pressfitting contact, utilizes the design of three-dimensional floating, and radial floating capacity can be adjusted according to the fit clearance of locating pin, and axial floating capacity accessible designs the spring realization of different compressional capacities, and the redundancy is high, the good reliability.
In order to solve the problems, the invention adopts the following technical scheme: the flexible floating microcircuit switching device is characterized by comprising a support, a positioning pin, a base, a steel wire rope and a dielectric plate; comprises a bracket, a positioning pin, a base, a steel wire rope and a dielectric slab. The upper end of the bracket is provided with a medium plate, two sides of the lower end of the bracket are provided with a positioning pin and a steel wire rope, the lower ends of the positioning pin and the steel wire rope are arranged on the base, and a spring is sleeved outside the positioning pin; one side of the lower ends of every two brackets is connected with a base. The positioning pin is movably connected with the support and fixedly connected with the base, and the steel wire rope is fixedly connected with the support and the base. The design of the spring ensures the redundancy and pressing force in the blind plugging direction, and the function of positioning restraint is achieved through the connection limitation of the steel wire rope. Meanwhile, the steel wire rope realizes the fixed constraint of the support and the base and meets the requirement of flexible floating.
The upper end of the support is provided with a positioning column and a medium plate mounting hole, and the medium plate is provided with the positioning column through the oblique diagonal angle to realize the guiding and positioning functions of medium plate mounting. The dielectric plate mounting hole is used for mounting the dielectric plate, and the design is convenient to disassemble and assemble.
The middle part of the bracket is a cavity, which not only can arrange cables, but also provides an operation space for the installation and connection of the dielectric slab,
and simultaneously plays a role in weight reduction.
The lower end of the bracket is provided with a big lug connecting plate and a small lug connecting plate which extend outwards, and the two big lug connecting plates and the small lug connecting plate are arranged in a diagonal manner; the big lug connecting plate is provided with a clearance hole and a steel wire rope mounting hole I which are matched with the positioning pin, and the small lug connecting plate is also provided with a steel wire rope mounting hole I. The arrangement of the positioning pin splicing device not only facilitates modular expansion splicing, maximizes the utilization space, reduces the size and the weight, but also facilitates the installation of the positioning pin. The radial floating is realized through the clearance allowance of the clearance hole matched with the positioning pin, and the radial redundancy of the switching device is ensured.
The whole base is T-shaped, and two sides of the neck are arc-shaped; the Y axle direction is equipped with the locating pin mounting hole in the middle of the base, and base upper end both sides are equipped with wire rope mounting hole II, and neck arc design provides bigger operating space for wire rope's installation.
Wire rope one end is passed wire rope mounting hole I, and the upper end that just is located wire rope mounting hole I on wire rope is provided with stopper, lower extreme and is equipped with the hex head screw of band-pass hole, and hex head screw one end is passed wire rope mounting hole I back and is passed through the screw thread with the stopper and be connected, and the equipment mode is when guaranteeing that wire rope is fixed like this, is convenient for dismantle the equipment fast.
The base is provided with a steel wire rope mounting hole II, the other end of the steel wire rope penetrates through the steel wire rope mounting hole II, a limiting block is arranged at the lower end, located in the steel wire rope mounting hole II, of the steel wire rope, a hexagon screw with a through hole is arranged at the upper end of the steel wire rope, one end of the hexagon screw penetrates through the steel wire rope mounting hole II and then is connected with the limiting block through threads, and the base is convenient to disassemble and assemble.
The cavity of the bracket is provided with an opening, so that the cable can be conveniently arranged and observed, and the bracket has an error-proof design.
The springs on each side of the bracket are preferably two, so that a better supporting and balancing effect is achieved.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the constraint matching of the positioning pins, the flexible floating design with large redundancy is realized, and the over-constraint caused by multi-stage blind plugging can be prevented.
The spring can ensure that the dielectric plate can meet the synchronous contact under different pressing forces, such as manual pressing or pneumatic pressing.
The steel wire rope realizes the fixed constraint of the bracket and the base, and simultaneously meets the requirement of flexible floating.
The support and the base meet the requirements of cable layout and routing, the structural form can be quickly replaced and designed and expanded, modular disassembly can be realized, and the support and the base are convenient to maintain and reuse.
The device can realize high-precision pressing of the dielectric plate in a redundancy range while ensuring three-dimensional floating. The integrated level is high, the quality is very light, has satisfied the requirement that microwave system redundancy is high, highly integrated.
The method has wide application prospect in the fields of high-precision synchronous contact technology of radar microsystem circuits, large-scale integrated circuit testing, chip testing application and the like.
Drawings
FIG. 1 is a schematic structural diagram of a flexible floating microcircuit adapter;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a perspective view of FIG. 1;
FIG. 5 is a schematic structural view of a stent;
FIG. 6 is a side view of FIG. 5;
FIG. 7 is a top view of FIG. 5;
FIG. 8 is a bottom view of FIG. 5;
FIG. 9 is a schematic structural view of a base;
FIG. 10 is a side view of FIG. 9;
FIG. 11 is a top view of FIG. 9;
FIG. 12 is a bottom view of FIG. 9;
FIG. 13 is a schematic view of the assembled installation of steel cables;
FIG. 14 is a schematic structural view of a hex screw;
FIG. 15 is a top view of FIG. 14;
fig. 16 is a cross-sectional view of fig. 14.
Wherein, 1 is a bracket, 2 is a positioning pin, 3 is a spring, 4 is a base, 5 is a steel wire rope, 6 is a medium plate, and 7 is a connecting plate; 1-1 is a clearance hole matched with a positioning pin, 1-2 is a medium plate mounting positioning column, 1-3 is a medium plate mounting hole, 1-4 is a steel wire rope mounting hole I, 1-5 is a cavity, 1-6 is a big lug connecting plate, 1-7 is a small lug connecting plate, and 1-8 is a support opening; 4-1 is a positioning pin flange fixing hole, 4-2 is a positioning pin fixing hole, 4-3 is a steel wire rope mounting hole II, 4-4 is a neck, 4-5 is an interface board connecting hole, and 4-6 is an interface board connecting column; 5-1 is a limiting block, 5-2 is a hexagon screw, and 5-3 is a through hole.
Detailed Description
The invention is further elucidated below.
As shown in fig. 1 to 16, the invention provides a flexible floating microcircuit adapter device, which comprises a bracket 1, a positioning pin 2, a base 4, a steel wire rope 5 and a dielectric plate 6. The upper end of the bracket 1 is provided with a medium plate 6, two sides of the lower end of the bracket 1 are provided with a positioning pin 2 and a steel wire rope 5, the lower ends of the positioning pin 2 and the steel wire rope 5 are arranged on the base 4, and the positioning pin is sleeved with a spring 3; one side of the lower ends of every two brackets is connected with a base 4. The positioning pin 2 is movably connected with the support 1 and fixedly connected with the base 4, and the steel wire rope 5 is fixedly connected with the support 1 and the base 4.
As shown in fig. 5 to 8, the upper end of the support 1 is provided with a medium plate mounting positioning column 1-2 and a medium plate mounting hole 1-3, the medium plate is limited on the support 1 through the medium plate mounting positioning column 1-2, and then passes through the medium plate mounting hole 1-3 through a screw to be mounted at the upper end of the support 1. The medium plate can be designed into various interface forms, such as fuzz buttons, spring pins and the like, and is particularly suitable for the requirement of high-precision pressing.
The middle part of the bracket 1 is a cavity 1-5 for arranging cables. Two sides of the lower end of the bracket 1 are provided with a large lug connecting plate 1-6 and a small lug connecting plate 1-7 which extend outwards, and the two large lug connecting plates 1-6 and the small lug connecting plates 1-7 are arranged in a diagonal manner; the big lug connecting plate 1-6 is provided with a clearance hole 1-1 matched with the positioning pin and a steel wire rope mounting hole I1-4, the small lug connecting plate 1-7 is also provided with a steel wire rope mounting hole I1-4, and the cavity of the bracket 1 is also provided with an opening 1-8.
As shown in fig. 9 to 12, the base 4 is generally T-shaped, and two sides of the neck 4-4 are arc-shaped; a positioning pin mounting hole 4-2 is formed in the middle of the base 4 in the Y-axis direction, and steel wire rope mounting holes II 4-3 are formed in two sides of the upper end of the base 4. Still be equipped with locating pin flange fixed orifices on the base 4, the locating pin flange passes through locating pin flange fixed orifices to be connected on base 4.
And after the positioning pin 2 passes through the clearance hole 1-1 matched with the positioning pin, the spring 3 is sleeved on the positioning pin, and then the positioning pin passes through the positioning pin mounting hole 4-2 and is fixed through a positioning pin flange.
The interface board (or the test board) is positioned by the interface board connecting columns 4-6, and is fixed at the two sides of the lower end of the base 4 by inserting screws into the interface board connecting holes 4-5.
As shown in fig. 13 to 16, one end of the steel wire rope 5 penetrates through the steel wire rope mounting hole i 1-4, a limiting block 5-1 is arranged on the steel wire rope 5 and located at the upper end of the steel wire rope mounting hole i 1-4, a hexagon screw 5-2 with a through hole 5-3 is arranged at the lower end of the steel wire rope 5, and one end of the hexagon screw 5-2 penetrates through the steel wire rope mounting hole i 1-4 and then is connected with the limiting block 5-1 through threads.
The base 4 is provided with a steel wire rope mounting hole II 4-3, the other end of the steel wire rope 5 penetrates through the steel wire rope mounting hole II 4-3, a limiting block 5-1 is arranged on the steel wire rope 5 and located at the lower end of the steel wire rope mounting hole II 4-3, a hexagon screw 5-2 with a through hole is arranged at the upper end of the steel wire rope, and one end of the hexagon screw 5-2 penetrates through the steel wire rope mounting hole II 4-3 and then is connected with the limiting block 5-1 through threads.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A flexible floating microcircuit switching device is characterized by comprising a support, a positioning pin, a base, a steel wire rope and a dielectric plate; the upper end of the bracket is provided with a medium plate, two sides of the lower end of the bracket are provided with a positioning pin and a steel wire rope, the lower ends of the positioning pin and the steel wire rope are arranged on the base, and a spring is sleeved outside the positioning pin; one side of the lower end of each two brackets is connected with the same base through a positioning pin and a steel wire rope; the positioning pin is movably connected with the support and fixedly connected with the base, the steel wire rope is fixedly connected with the support, and the steel wire rope is fixedly connected with the base.
2. The flexible floating microcircuit switching device of claim 1 wherein said bracket has dielectric plate mounting holes at its upper end; the middle part of the bracket is a cavity; the lower end of the bracket is provided with a big lug connecting plate and a small lug connecting plate which extend outwards, and the two big lug connecting plates and the small lug connecting plate are arranged in a diagonal manner; the big lug connecting plate is provided with a clearance hole and a steel wire rope mounting hole I which are matched with the positioning pin, and the small lug connecting plate is also provided with a steel wire rope mounting hole I.
3. The device according to claim 2, wherein said base is generally T-shaped, and said neck is arcuate on either side; the Y-axis direction is equipped with the locating pin mounting hole in the middle of the base, and base upper end both sides are equipped with wire rope mounting hole II.
4. The flexible floating microcircuit adapter device according to claim 2, wherein one end of the steel wire rope passes through the steel wire rope mounting hole I, a limiting block is arranged on the steel wire rope and located at the upper end of the steel wire rope mounting hole I, a hexagon screw with a through hole is arranged at the lower end of the steel wire rope, and one end of the hexagon screw passes through the steel wire rope mounting hole I and then is connected with the limiting block through threads.
5. The flexible floating microcircuit switching device according to claim 1, wherein a steel wire rope mounting hole II is formed in the base, the other end of the steel wire rope penetrates through the steel wire rope mounting hole II, a limiting block is arranged on the steel wire rope and located at the lower end of the steel wire rope mounting hole II, a hexagon screw with a through hole is arranged at the upper end of the steel wire rope, and one end of the hexagon screw penetrates through the steel wire rope mounting hole II and then is connected with the limiting block through threads.
6. The flexible floating microcircuit adapter device of claim 1 wherein said support has dielectric plate mounting posts at its upper end.
7. The flexible floating microcircuit adapter device of claim 1 wherein said housing of said bracket is provided with an opening.
8. A flexible floating microcircuit switching device according to claim 1 and wherein two springs are provided on each side of said carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788062.6A CN110504570B (en) | 2019-08-26 | 2019-08-26 | Flexible floating microcircuit switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910788062.6A CN110504570B (en) | 2019-08-26 | 2019-08-26 | Flexible floating microcircuit switching device |
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| Publication Number | Publication Date |
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| CN110504570A CN110504570A (en) | 2019-11-26 |
| CN110504570B true CN110504570B (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910788062.6A Active CN110504570B (en) | 2019-08-26 | 2019-08-26 | Flexible floating microcircuit switching device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465184A (en) * | 2020-04-02 | 2020-07-28 | 苏州浪潮智能科技有限公司 | PCB mutual insertion plate capable of floating connection |
| CN114792904B (en) * | 2022-03-31 | 2023-12-29 | 上海精积微半导体技术有限公司 | Connector for chip test of floating butt joint |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005129453A (en) * | 2003-10-27 | 2005-05-19 | Smk Corp | Connector with floating structure |
| CN1869711A (en) * | 2005-02-04 | 2006-11-29 | 捷讯研究有限公司 | Probe assembly with multi-directional freedom of motion and mounting assembly therefor |
| CN202231261U (en) * | 2011-09-28 | 2012-05-23 | 普天新能源有限责任公司 | Floating connecting device of electric automobile power battery box |
| CN106532303A (en) * | 2015-09-10 | 2017-03-22 | 贵州航天电器股份有限公司 | Floating plug-in electrical connector |
| CN206789797U (en) * | 2017-05-25 | 2017-12-22 | 临沂矿业集团有限责任公司 | A kind of electrical connection arrangement |
| CN207020253U (en) * | 2017-05-18 | 2018-02-16 | 中国电子科技集团公司第十四研究所 | A kind of active phase array antenna mechanical-electric coupling test system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006147305A (en) * | 2004-11-18 | 2006-06-08 | Mitsumi Electric Co Ltd | Floating connector |
| US7458837B2 (en) * | 2006-01-13 | 2008-12-02 | Advantest Corporation | Connector housing block, interface member and electronic device testing apparatus |
-
2019
- 2019-08-26 CN CN201910788062.6A patent/CN110504570B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005129453A (en) * | 2003-10-27 | 2005-05-19 | Smk Corp | Connector with floating structure |
| CN1869711A (en) * | 2005-02-04 | 2006-11-29 | 捷讯研究有限公司 | Probe assembly with multi-directional freedom of motion and mounting assembly therefor |
| CN202231261U (en) * | 2011-09-28 | 2012-05-23 | 普天新能源有限责任公司 | Floating connecting device of electric automobile power battery box |
| CN106532303A (en) * | 2015-09-10 | 2017-03-22 | 贵州航天电器股份有限公司 | Floating plug-in electrical connector |
| CN207020253U (en) * | 2017-05-18 | 2018-02-16 | 中国电子科技集团公司第十四研究所 | A kind of active phase array antenna mechanical-electric coupling test system |
| CN206789797U (en) * | 2017-05-25 | 2017-12-22 | 临沂矿业集团有限责任公司 | A kind of electrical connection arrangement |
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| CN110504570A (en) | 2019-11-26 |
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Effective date of registration: 20210113 Address after: Room 1401, 14 / F, block a, building 1, Guorui building, No. 359, Jiangdong Middle Road, Jianye District, Nanjing City, Jiangsu Province, 210019 Patentee after: Nanjing Guorui Defense System Co.,Ltd. Address before: 210000 8 Guorui Road, Yuhuatai District, Nanjing, Jiangsu Province Patentee before: CHINA ELECTRONICS TECHNOLOGY GROUP CORPORATION NO. 14 Research Institute |