CN113555652A - Microwave signal connector translation stress release structure and assembly method thereof - Google Patents
Microwave signal connector translation stress release structure and assembly method thereof Download PDFInfo
- Publication number
- CN113555652A CN113555652A CN202110751836.5A CN202110751836A CN113555652A CN 113555652 A CN113555652 A CN 113555652A CN 202110751836 A CN202110751836 A CN 202110751836A CN 113555652 A CN113555652 A CN 113555652A
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- China
- Prior art keywords
- transmission structure
- socket
- type transmission
- plug
- microwave plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/04—Fixed joints
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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
- H01R13/621—Bolt, set screw or screw clamp
- H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
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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
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to a translation stress release structure of a microwave signal connector and an assembly method thereof, which are suitable for the transitional connection condition of a lap joint line and a copper-clad layer on the surface of a printed board. The plug-type transmission structure comprises a lap joint wire, a microwave plate and a base, and the socket-type transmission structure comprises a pressing block, a soft metal strip, an upper-layer microwave plate, a copper-clad layer on the surface of a printed board, a lower-layer microwave plate and the base. The invention can ensure that the lap joint line is in full surface contact with the copper clad layer on the surface of the printed board, and meanwhile, the fatigue of a transitional connection structure can not be caused, thereby increasing the reliability of high-power microwave signal transmission.
Description
Technical Field
The invention belongs to the technical field of radars.
Background
In radar transmitters, especially solid state transmitters, the high power microwave signal transmission line may be a waveguide, a microstrip line, a stripline. The microwave signal connectors between the microstrip lines, between the strip lines, and between the microstrip lines are generally lapped and then welded, and the welded connectors have good conductivity and certain mechanical strength. However, the mismatch of the thermal expansion coefficients of the overlap line of the microwave signal connector and the printed board material can cause fatigue of the transitional connection structure and the copper-coated layer on the surface of the printed board falls off, thereby causing the microwave circuit to be broken and ignited, and burning the device.
Disclosure of Invention
The invention relates to a translation stress release structure of a microwave signal connector and an assembly method thereof, which are suitable for the transitional connection condition of a lap joint line and a copper-clad layer on the surface of a printed board and mainly used for solving the problems of the fatigue of the transitional connection structure, the copper-clad layer on the surface of the printed board and the falling off of a microwave circuit, the ignition and the burning of devices caused by the mode that the lap joint line and the printed board are overlapped and then welded.
The technical scheme of the invention is as follows:
a translational stress relief structure of a microwave signal connector comprises a plug-type transmission structure with a crossover wire, a socket-type transmission structure matched with the crossover wire, conductive grease and a fastening screw, wherein the plug-type transmission structure with the crossover wire comprises the crossover wire, a microwave plate, a base, the thickness of the crossover wire is 2 times larger than that of a copper-clad layer on the surface of a printed board, the socket-type transmission structure matched with the crossover wire is designed according to the plug-type transmission structure with the crossover wire, the socket-type transmission structure matched with the crossover wire comprises a pressing block, a soft metal strip, an upper microwave plate, a copper-clad layer on the surface of the printed board, a lower microwave plate, the base, one part of the soft metal strip is clamped between the upper microwave plate and the pressing block of the socket part, and the other part is clamped between the upper microwave plate and the pressing block of the rear end, the lower microwave plate and the base are respectively a whole piece of material, the outer edges of the lower microwave plate and the base are aligned, the upper microwave plate and the pressing block of the socket part are aligned with the lower microwave plate, the outer edges of the base are aligned, the pressing block, the upper microwave plate, the lower microwave plate, the base is provided with screw holes, the horizontal projection positions of the holes are overlapped, the pressing block, the soft metal strip, the upper microwave plate, the lower microwave plate is provided with light holes, the base is provided with screw holes, the groove depth H2 of the upper microwave plate of the socket-type transmission structure is smaller than the thickness H1 of the overlapping wire of the plug-type transmission structure, the groove length L2 of the upper microwave plate of the socket-type transmission structure is larger than the length L1 of the overlapping wire of the plug-type transmission structure, and the groove width D2 of the upper microwave plate of the socket-type transmission structure is larger than the width D1 of the overlapping wire of the plug-type transmission structure.
A method for assembling translation stress releasing structure of microwave signal connector includes taking down upper microwave plate and press block of socket part, turning over soft metal strip upwards, applying small quantity of conductive lubricating grease on surface of overlap line of plug, inserting plug into socket, placing upper microwave plate to press groove of upper microwave plate on overlap line, turning over soft metal strip downwards, laying flat on upper microwave plate, placing press block and fixing whole socket part after fastening screw is passed through each layer of open hole.
The invention has the technical characteristics and obvious advantages that:
1. a small amount of conductive lubricating grease is coated on the outer surface of the connecting wire of the plug, so that the connecting wire can be in full surface contact with a copper-clad layer on the surface of a printed board, the loss of a conductor is small, and the insertion loss of a microwave signal is low.
2. The size of the matching socket ensures that the fastening screw can compress the lapping wire, and the conductive grease ensures that the copper-clad layer on the surface of the printed board and the lapping wire still can be ensured to move horizontally relatively under the condition that the matching socket compresses the lapping wire. When the temperature impact is experienced, the deformation of the lap joint line is inconsistent with that of the copper clad layer on the surface of the printed board, compared with the traditional method for welding the lap joint line and the copper clad layer on the surface of the printed board, the invention can timely release the shearing force generated by the inconsistent deformation of the lap joint line and the copper clad layer on the surface of the printed board, can not cause the fatigue of a transitional connection structure, and increases the reliability of high-power microwave signal transmission.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
Fig. 1 shows a schematic representation of a transmission structure in the form of a plug with a crossover.
Fig. 2 is a schematic diagram of a transmission structure in the form of a receptacle for a matching jumper.
Fig. 3 is a translational stress relief structure for a microwave signal connector.
The microwave board comprises a 1-lap joint line, a 2-microwave board, a 3-base, a 4-press block, a 5-soft metal strip, a 6-upper microwave board, a 7-printed board surface copper coating layer, a 8-lower microwave board, a 9-base, a 10-screw hole, H1-lap joint line thickness, an L1-lap joint line length, a D1-lap joint line width, an H2-upper microwave board groove depth, an L2-upper microwave board groove length and a D2-upper microwave board groove width.
Detailed Description
The invention provides a translation stress releasing structure of a microwave signal connector and an assembling method thereof, and the embodiment is as follows (see the attached drawings):
1. a translational stress relief structure of a microwave signal connector comprises a transmission structure in the form of a plug with a crossover 1, a transmission structure in the form of a socket matched with the crossover 1, conductive grease and a fastening screw.
2. The plug-type transmission structure with the overlapping wire 1 comprises the overlapping wire 1, a microwave board 2 and a base 3, wherein the thickness of the overlapping wire 1 is 2 times larger than that of a copper-clad layer 7 on the surface of a printed board, and the socket-type transmission structure matched with the overlapping wire 1 is designed according to the plug-type transmission structure with the overlapping wire 1.
3. Wherein the socket-type transmission structure of the matching overlapping wire 1 comprises a pressing block 4, a soft metal strip 5, an upper microwave plate 6, a printed board surface copper coating layer 7, a lower microwave plate 8, a base 9, a part of the soft metal strip 5 is clamped between the upper microwave plate 6 and the pressing block 4 of the socket part, the other part is clamped between the upper microwave plate 6 and the pressing block 4 at the rear end, the soft metal strip 5 is used for connecting front and rear horizontal planes, so that microwave signal horizontal planes are continuous, the lower microwave plate 8 and the base 9 are respectively a whole block of material, the outer edges of the upper microwave plate 6 and the pressing block 4 are aligned with the outer edges of the lower microwave plate 8 and the base 9, the pressing block 4, the upper microwave plate 6, the lower microwave plate 8 and the base 9 are provided with screw holes 10, the horizontal projection positions of the holes are overlapped, the pressing block 4 and the soft metal strip 5, the upper microwave board 6, the lower microwave board 8 are provided with unthreaded holes, and the base 9 is provided with threaded holes.
4. The groove depth H2 of the upper microwave board 6 of the transmission structure in the form of the socket is less than the crossover 1 thickness H1 of the transmission structure in the form of the plug, the groove length L2 of the upper microwave board 6 of the transmission structure in the form of the socket is greater than the crossover 1 length L1 of the transmission structure in the form of the plug, and the groove width D2 of the upper microwave board 6 of the transmission structure in the form of the socket is greater than the crossover 1 width D1 of the transmission structure in the form of the plug.
5. During assembly, an upper microwave plate 6 and a pressing block 4 of a socket part are taken down, a soft metal strip 5 is turned upwards, a small amount of conductive lubricating grease is smeared on the outer surface of a lap joint line 1 of a plug, then the plug is inserted into the socket, after the plug is inserted, the horizontal distance of a gap between the plug and the socket is smaller than 1mm, the upper microwave plate 6 is placed, a groove of the upper microwave plate 6 is pressed on the lap joint line 1, the soft metal strip 5 is turned downwards, the upper microwave plate 6 is laid on the upper microwave plate 6, the pressing block 4 is placed, and after fastening screws penetrate through each layer of open holes, the whole socket part is fixed.
Claims (2)
1. The utility model provides a microwave signal connector translation stress release structure which characterized in that: the transmission structure comprises a plug-type transmission structure with a crossover wire, a socket-type transmission structure matched with the crossover wire, conductive grease and a fastening screw, wherein the plug-type transmission structure with the crossover wire comprises the crossover wire, microwave plates, a base, the thickness of the crossover wire is more than 2 times of the thickness of a copper-clad layer on the surface of a printed board, the socket-type transmission structure matched with the crossover wire is designed according to the plug-type transmission structure with the crossover wire, the socket-type transmission structure matched with the crossover wire comprises a pressing block, a soft metal strip, an upper microwave plate, a copper-clad layer on the surface of the printed board, a lower microwave plate, the base, one part of the soft metal strip is clamped between the upper microwave plate and the pressing block of the socket part, the other part is clamped between the upper microwave plate and the pressing block at the rear end, and the lower microwave plate and the base are respectively a whole material, the outer edges of the upper microwave plate and the pressing block of the socket part are aligned with the outer edges of the lower microwave plate and the base, the pressing block, the upper microwave plate and the lower microwave plate are provided with screw holes, the horizontal projection positions of the holes are overlapped, the pressing block, the soft metal strip and the upper microwave plate are provided with unthreaded holes, the base is provided with threaded holes, the groove depth H2 of the upper microwave plate of the socket-type transmission structure is smaller than the thickness H1 of the overlapping line of the plug-type transmission structure, the groove length L2 of the upper microwave plate of the socket-type transmission structure is larger than the length L1 of the overlapping line of the plug-type transmission structure, and the groove width D2 of the upper microwave plate of the socket-type transmission structure is larger than the width D1 of the overlapping line of the plug-type transmission structure.
2. The method of assembling a translational stress relief structure for a microwave signal connector as recited in claim 1, further comprising: during assembly, an upper microwave plate and a pressing block of the socket part are taken down, the soft metal strip is turned upwards, a small amount of conductive lubricating grease is smeared on the surface of the lap joint line of the plug, then the plug is inserted into the socket, after the plug is inserted, a gap between the plug and the socket is not too large, the upper microwave plate is placed, a groove of the upper microwave plate is pressed on the lap joint line, the soft metal strip is turned downwards, the soft metal strip is laid on the upper microwave plate, the pressing block is placed, and after fastening screws penetrate through the open holes of all layers, the whole socket part is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751836.5A CN113555652A (en) | 2021-07-02 | 2021-07-02 | Microwave signal connector translation stress release structure and assembly method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751836.5A CN113555652A (en) | 2021-07-02 | 2021-07-02 | Microwave signal connector translation stress release structure and assembly method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113555652A true CN113555652A (en) | 2021-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110751836.5A Pending CN113555652A (en) | 2021-07-02 | 2021-07-02 | Microwave signal connector translation stress release structure and assembly method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113555652A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2616973A1 (en) * | 1987-06-22 | 1988-12-23 | Riviere Luc | MICROWAVE TRANSMISSION LINE WITH TWO COPLANAR CONDUCTORS |
| CN110416680A (en) * | 2019-07-20 | 2019-11-05 | 中国船舶重工集团公司第七二四研究所 | A kind of half coaxial microband combined radio frequency transmission line structure |
| CN111769411A (en) * | 2020-06-12 | 2020-10-13 | 中国船舶重工集团公司第七二四研究所 | Radio frequency coaxial connector connected with composite material strip line in compression joint mode |
-
2021
- 2021-07-02 CN CN202110751836.5A patent/CN113555652A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2616973A1 (en) * | 1987-06-22 | 1988-12-23 | Riviere Luc | MICROWAVE TRANSMISSION LINE WITH TWO COPLANAR CONDUCTORS |
| CN110416680A (en) * | 2019-07-20 | 2019-11-05 | 中国船舶重工集团公司第七二四研究所 | A kind of half coaxial microband combined radio frequency transmission line structure |
| CN111769411A (en) * | 2020-06-12 | 2020-10-13 | 中国船舶重工集团公司第七二四研究所 | Radio frequency coaxial connector connected with composite material strip line in compression joint mode |
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Application publication date: 20211026 |
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