CN113794081B - Multi-component electronic product interconnection method and structure - Google Patents
Multi-component electronic product interconnection method and structure Download PDFInfo
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- 238000012546 transfer Methods 0.000 claims description 15
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- 239000000853 adhesive Substances 0.000 claims description 3
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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
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
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Abstract
Compared with the traditional interconnection method, the invention provides a movable switching support design, which can realize the position adjustment functions of multi-direction translation and small-angle rotation of a low-frequency connector and meet the requirement of inserting under the conditions of multi-component and multi-connector direction arrangement and complex combination modes. The invention realizes the position adjustment requirement when the miniaturized connector is assembled and welded with the PCB, and reduces the difficulty when the pins of the connector are penetrated with the through holes of the PCB. The connector maintenance and replacement operation efficiency can be greatly improved, only a damaged single connector and the PCB can be maintained or replaced after being unwelded, the operation of the interconnection box body Wen Jiehan is avoided, and the installation reliability of other connectors can not be affected. The method can eliminate negative effects caused by part machining errors and multi-component assembly accumulated errors, reduce requirements on part machining precision and assembly precision, and improve assembly efficiency.
Description
Technical Field
The invention is an improved design of an electric interconnection mode of integrated electronic products with a plurality of functional components, and is suitable for low-frequency interconnection requirements of miniaturized, systematic and multi-component electronic products.
Background
The multi-component electronic product adopts a modularized functional component integrated design and adopts an interconnection scheme of combining a miniaturized low-frequency connector with wiring inside a circuit board. The scheme abandons the method of interconnecting the conventional electronic products by using external low-frequency cables, and realizes the interconnection of functional components by using the low-frequency connector, thereby realizing the miniaturization and integration design of a single machine. The interconnection method comprises the steps of firstly welding a miniaturized low-frequency connector with an interconnection box body, then inserting a functional component and the connector in pairs, then loading a circuit board into the interconnection box body, and welding pins of the miniaturized low-frequency connector with the circuit board after penetrating through holes of the circuit board so as to realize electrical interconnection among the functional components.
Because the position of the low-frequency connector and the interconnection box body after welding can not be adjusted, the pin of the connector passes through the via hole of the circuit board in the process of loading the circuit board, and the flatness of the bottom surface of the product after the assembly of the multifunctional component can not be adjusted if the flatness of the bottom surface of the product does not meet the requirement. If more functional components are encountered, the functional components and the connector cannot be inserted due to the accumulation of machining assembly errors. When one connector in the multi-component electronic product needs to be maintained and replaced, the circuit board and all the low-frequency connectors are firstly subjected to welding and then the damaged low-frequency connectors and the interconnection box body are subjected to welding, so that the maintenance efficiency is low, and the welding quality of other low-frequency connectors can be influenced due to the high-temperature operation in the welding process.
In order to solve the difficulty in the assembly process, the conventional method is to improve the machining precision of the interconnected box body and the functional component box body and ensure higher assembly precision. The method has the advantages of high processing difficulty and high cost. Another solution is to implement the functional component position adjustment through a reasonable tolerance design. If a design gap is reserved between the components, fine adjustment is performed in one direction through the reserved gap during assembly. Considering the stability requirement of the assembled components, the clearance value between the functional components is generally between 0.1 and 0.2mm, and the mode can be adopted when the number of the functional components is small and the combination mode is simple. When the number of the functional components is increased, the design direction of the low-frequency connector is in an orthogonal relationship, the multiple components are in a specific combination mode and other complex conditions, the method is not applicable any more, and the situation that the low-frequency connector and the functional components cannot be inserted easily occurs. The two methods are not improved for improving the maintenance efficiency.
In the publicly disclosed documents and publications, no patent of the invention has been found that can solve the above-mentioned problems. The following inventions are slightly related to the above inventions, and the specific contents are as follows:
1. Panel connector, adapter connector, panel-adapter connector assembly and RU box application No.: 201710773005.1 the RU box of the invention comprises a box body, a panel connector, a printed board, contact pieces on the printed board and a transfer connector, wherein the contact pieces on the panel connector and the printed board face the same direction, the panel connector and the printed board are connected in a conductive manner by inserting the transfer connector along the opposite direction of the direction, and the power failure is realized by pulling out the transfer connector. The invention realizes the disassembly of the printed board by adding the scheme of the adapter connector without depending on the installation and the disassembly of the panel connector,
2. Application number of the novel connector conversion device is: 201520258108.0, this patent can be convenient and fast change the plug connector into the coaxial connector of radio frequency, facilitate users to use, and it can also reduce the overall dimension greatly, save the assembly space; in addition, the manufacturing process is simple, the production efficiency can be effectively improved, and the production cost is reduced.
3. Support structure and adapter for connector application number: 201510816536.5 to provide a support structure of a connector and an adapter, which facilitate the connection work of the connector held on a wiring board and a counterpart connector and improve the work efficiency.
4. Application number of the light spring type high-tolerance high-low frequency mixed connector is as follows: 201922069404.7, the spring type double-female radio frequency connector in the patent adopts a spring type structure, and compared with a fixed type double-female radio frequency connector, the axial tolerance capacity of the double-female radio frequency connector during radio frequency signal interconnection can be improved.
5. Detachable connector mechanism application number: 201721667377.8, this patent can dismantle connector mechanism overall structure design is simple reasonable, connects stably between the spare part, and the effectual waterproof anticreep's of having realized effect, the flexible operation is convenient, has stronger practicality.
6. Connector holder and connector combination application number: 201310238380.8, the connector bracket includes a fixing portion for fixing a connector and a locking portion for locking connection with another device, where the fixing portion and the locking portion are integrally formed. By means of the connector holder, the connector can be mounted and fixed in any feasible position in the electronic device.
As is clear from the analysis of the above patents, the patent nos. 1,2 and 3 mainly improve the assembly efficiency, and do not involve the assembly of multiple components, the resolution of the machining errors and the mounting errors of parts. Patent 4 is directed to improving the axial tolerance capability of a radio frequency connector. The patent 5 can realize that the connector is detachable, waterproof and anti-drop, mainly is the optimal design to the function of the connector itself, and does not involve assembly. Patent 6 is a design for supporting a connector and does not involve positional adjustment at the time of assembly of multiple components.
Disclosure of Invention
The technical solution of the invention is as follows: the defects of the prior art are overcome, the multi-component electronic product interconnection method and structure are provided, the position of the low-frequency connector is adjustable when the multi-component electronic product is assembled through the design of the movable switching support, and the design requirement of a complex multi-component integrated single machine is met.
The technical scheme of the invention is as follows:
a multi-component electronic product interconnection method comprises the following steps:
(1) Designing a movable switching support;
(2) Welding the low-frequency connector and the movable switching support to form a connector welding assembly, so as to separate the low-frequency connector from the interconnection box body;
(3) The welded connector welding assembly passes through a through hole designed on the interconnection box body, and is pre-fixed by a screw or an adhesive mode, and the first position and the angle are adjusted at the moment;
(4) A plurality of functional components are inserted with the low-frequency connector in sequence to realize electrical interconnection;
(5) The circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through holes in the circuit board, the position and the angle of the connector welding assembly are adjusted again according to requirements when pin holes are matched, and the second adjustment is completed at the moment;
(6) After the adjustment is finished, the connector welding assembly is finally fastened with the interconnection box body;
(7) And welding pins of the connector welding assembly with the circuit board, and welding the circuit board with the interconnection box body to complete final electrical interconnection.
Further, reasonable gap values are designed between the via holes of the interconnected box body and the connector welding assembly according to adjustment requirements, and the connector welding assembly can translate in two directions and rotate at a small angle during assembly, so that the position adjustment of the low-frequency connector is realized.
Further, the range of gap values between the interconnect cassette via and the connector solder assembly is: 0.2 mm-0.5 mm.
Further, the movable switching support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable switching support, the inner side profile of the movable switching support is matched with the flange of the low-frequency connector, a limiting structure is arranged on the inner side of the movable switching support, and when the low-frequency connector is installed in the movable switching support, the movable switching support is limited through the limiting structure and then welded and connected.
Further, a plurality of functional components are placed in parallel, and the clearance range is: 0.05mm to 0.1mm. Compared with the prior art, the clearance value of the functional component is reduced by 1/2, which is more beneficial to miniaturization of products, and particularly has obvious advantages when the number of the functional modules is more. When the clearance value of the functional component is reduced, the rigidity and the damping of the product can be improved, and the resistance and the mechanical performance of the product are improved.
Furthermore, when the low-frequency connector is damaged and needs to be maintained, only the damaged single low-frequency connector and the circuit board can be maintained or replaced after being unwelded, and the whole height Wen Jiehan of the interconnected box body is avoided.
Furthermore, the invention also provides a multi-component electronic product interconnection structure, which comprises: the device comprises a circuit board, a connector welding assembly, an interconnection box body and a functional assembly; the connector welding assembly comprises a low-frequency connector and a movable switching bracket;
The low-frequency connector is welded with the movable switching support to form a connector welding assembly integral structure, so that decoupling between the low-frequency connector and the interconnection box body is realized; the connector welding assembly is pre-fixed on the interconnection box body through screws or other fastening modes, the functional assemblies are inserted with the low-frequency connector welding assembly in sequence, and at the moment, the positions and angles of the connector welding assembly are adjusted according to assembly requirements, so that the electrical interconnection of all the functional assemblies and the low-frequency connector is completed;
The circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through holes in the circuit board, and the position and the angle of the connector welding assembly are adjusted again according to requirements when pin holes are matched; after the adjustment is finished, the connector welding assembly and the interconnection box body are finally fastened through screws or other fastening modes, and then the low-frequency connector pins and the circuit board are welded to complete electrical interconnection.
Further, the movable switching support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable switching support, the inner side profile of the movable switching support is matched with the flange of the low-frequency connector, a limiting structure is arranged on the inner side of the movable switching support, and when the low-frequency connector is installed in the movable switching support, the movable switching support is limited through the limiting structure and then welded and connected.
Further, through holes are formed in the interconnection box body, the jack ends of the connector welding assemblies penetrate through the through holes in the interconnection box body, gaps are designed between the connector welding assemblies and the through holes in the interconnection box body according to adjustment requirements, and the connector welding assemblies can translate in two directions and rotate at a small angle during assembly, so that position adjustment of the low-frequency connector is achieved.
Further, a plurality of functional components are placed in parallel, and the clearance range is: 0.05mm to 0.1mm.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention realizes the position adjustment of the low-frequency connector during the assembly of multiple components by the design of the movable switching support, thereby meeting the design requirement of a complex multiple component integrated single machine. Compared with the traditional hard connection methods such as welding, bonding and the like, the design can realize the position adjustment of the low-frequency connector and meet the assembly requirements of multiple components and complex interconnection relations. The problem that the multi-component electronic product cannot be assembled due to accumulated machining and assembling errors during electrical interconnection is solved, and the assembly and maintenance efficiency is improved.
(2) The invention eliminates the hard connection relation between the low-frequency connector and the interconnection box body, realizes the position adjustment function of multi-direction translation and small-angle rotation of the low-frequency connector, and can realize the matching of the insertion positions under the conditions of multi-component, multi-connector direction arrangement and complex combination modes.
(3) The invention can realize the position adjustment requirement when the low-frequency connector and the circuit board are welded and assembled, and reduces the difficulty when the pins of the connector and the through holes of the circuit board are penetrated.
(4) The method can greatly improve the maintenance and replacement operation efficiency of the low-frequency connector. Only the damaged single connector and the circuit board are required to be disassembled for maintenance or replacement, so that the operation of the whole high Wen Jiehan of the interconnected box body is avoided, and the reliability of other low-frequency connectors is not affected.
(5) The method can eliminate negative effects caused by part machining errors and multi-component assembly accumulated errors, reduce requirements on part machining precision and assembly precision, and improve assembly efficiency.
Drawings
FIG. 1 is a schematic diagram of an interconnection structure of a multi-component electronic product according to the present invention;
Fig. 2 is a diagram of a welded assembly of a connector according to the present invention.
Detailed Description
The invention designs a connector switching support, and firstly, a low-frequency connector and the switching support are welded to realize the separation of the low-frequency connector and an interconnection box body. The welded connector welding assembly passes through the through holes designed on the interconnected box body and is pre-fixed by screws or other fixing modes. The clearance value which is reasonably designed according to adjustment requirements is arranged between the through hole of the interconnection box body and the welding component of the connector, and the welding component of the connector can translate in two directions and rotate at a small angle during assembly, so that the position adjustment of the low-frequency connector is realized. And the functional components are sequentially inserted with the low-frequency connector to realize electrical interconnection. And after the low-frequency connector and the functional component are electrically interconnected, the low-frequency connector and the functional component are finally fastened with the circuit board or the interconnection box body through screws or other fixing modes, so that the assembly is completed.
Specifically, the invention provides a multi-component electronic product interconnection method, which comprises the following steps:
(1) Designing a movable switching support;
As shown in fig. 2, the movable switching support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable switching support, the inner side profile of the movable switching support is matched with the flange of the low-frequency connector, a limiting structure is arranged on the inner side of the movable switching support, and when the low-frequency connector is installed in the movable switching support, the movable switching support is limited through the limiting structure and then welded and connected.
(2) Welding the low-frequency connector and the movable switching support to form a connector welding assembly, so as to separate the low-frequency connector from the interconnection box body;
the invention eliminates the hard connection relation between the low-frequency connector and the interconnection box body, realizes the position adjustment function of multi-direction translation and small-angle rotation of the low-frequency connector, and can realize the matching of the insertion positions under the conditions of multi-component, multi-connector direction arrangement and complex combination modes.
(3) The welded connector welding assembly passes through a through hole designed on the interconnection box body, and is pre-fixed by a screw or an adhesive mode, and the first position and the angle are adjusted at the moment;
the clearance value which is reasonably designed according to adjustment requirements is arranged between the through hole of the interconnection box body and the welding component of the connector, and the welding component of the connector can translate in two directions and rotate at a small angle during assembly, so that the position adjustment of the low-frequency connector is realized.
Preferably, in order to obtain a better effect, in the present invention, a range of gap values between the interconnection box via and the connector welding assembly is set as follows: 0.2 mm-0.5 mm.
(4) A plurality of functional components are inserted with the low-frequency connector in sequence to realize electrical interconnection;
The functional components are arranged in parallel, and the clearance range is as follows: 0.05mm to 0.1mm. Compared with the prior art, the clearance value of the functional component is reduced by 1/2, which is more beneficial to miniaturization of products, and particularly has obvious advantages when the number of the functional modules is more. When the clearance value of the functional component is reduced, the rigidity and the damping of the product can be improved, and the resistance and the mechanical performance of the product are improved.
(5) The circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through holes in the circuit board, the position and the angle of the connector welding assembly are adjusted again according to requirements when pin holes are matched, and the second adjustment is completed at the moment;
the invention can realize the position adjustment requirement when the low-frequency connector and the circuit board are welded and assembled, and reduces the difficulty when the pins of the connector and the through holes of the circuit board are penetrated.
(6) After the adjustment is finished, the connector welding assembly is finally fastened with the interconnection box body;
(7) And welding pins of the connector welding assembly with the circuit board, and welding the circuit board with the interconnection box body to complete final electrical interconnection.
When the low-frequency connector is damaged and needs to be maintained, maintenance or replacement can be performed only by means of unwelding the damaged single low-frequency connector and the circuit board, and the whole height Wen Jiehan of the interconnected box body is avoided.
The invention realizes the position adjustment of the low-frequency connector during the assembly of multiple components by the design of the movable switching support, thereby meeting the design requirement of a complex multiple component integrated single machine. Compared with the traditional hard connection methods such as welding, bonding and the like, the design can realize the position adjustment of the low-frequency connector and meet the assembly requirements of multiple components and complex interconnection relations. The problem that the multi-component electronic product cannot be assembled due to accumulated machining and assembling errors during electrical interconnection is solved, and the assembly and maintenance efficiency is improved.
As shown in fig. 1, the multi-component electronic product interconnection structure provided by the present invention includes: a circuit board 1, a connector welding assembly 2, an interconnection box body 3 and a functional assembly 4; the connector welding assembly 2 comprises a low-frequency connector 5 and a movable switching bracket 6;
The low-frequency connector 5 is welded with the movable switching support 6 to form an integral structure of the connector welding assembly 2, so that decoupling between the low-frequency connector 5 and the interconnection box body 3 is realized; the connector welding assembly 2 is pre-fixed on the interconnection box body 3 through screws or other fastening modes, the functional assemblies 4 are inserted with the low-frequency connector welding assembly 2 in sequence, and at the moment, the positions and angles of the connector welding assembly 2 are adjusted according to assembly requirements, so that the electrical interconnection of all the functional assemblies 4 and the low-frequency connector is completed;
The circuit board 1 is arranged in the interconnection box body 3, pins of the connector welding assembly 2 penetrate through holes in the circuit board 1, and when pinholes are matched, the position and the angle of the connector welding assembly 2 are adjusted again according to requirements; after the adjustment is finished, the connector welding assembly 2 and the interconnection box body 3 are finally fastened through screws or other fastening modes, and then the low-frequency connector pins and the circuit board 1 are welded to complete electrical interconnection.
The invention relates to a method for interconnecting multi-component electronic products, wherein the shapes, the positions of connectors and the like of functional components 4 can be the same or different.
The working principle and the assembly process of the multi-component electronic product interconnection structure are as follows:
Firstly, the low-frequency connector 5 and the movable switching support 6 are welded (or bonded according to the use environment) to form the connector welding assembly 2, and compared with the traditional scheme, the decoupling between the low-frequency connector 5 and the interconnection box body 3 is realized, so that the position adjustment of the connector in the subsequent assembly process is possible. The connector welding assembly 2 is pre-fixed to the interconnect cassette 3 by screws or other fastening means. The functional components 4 are inserted with the low-frequency connector welding components 2 in sequence, and the positions and angles of the connector welding components 2 are adjusted according to assembly requirements at the moment, so that the electrical interconnection of all the functional components 4 and the low-frequency connectors is completed. The circuit board 1 is arranged in the interconnection box body 3, pins on the low-frequency connector penetrate through holes on the circuit board 1, and the position and the angle of the connector welding assembly 2 can be adjusted again according to requirements when pinholes are matched. After the adjustment is finished, the connector welding assembly 2 and the interconnection box body 3 or the circuit board 1 are finally fastened through screws or other fastening modes, and then the low-frequency connector pins and the circuit board 1 are welded to complete electrical interconnection.
The method can greatly improve the maintenance and replacement operation efficiency of the low-frequency connector. Only the damaged single connector and the circuit board are required to be disassembled for maintenance or replacement, so that the operation of the whole high Wen Jiehan of the interconnected box body is avoided, and the reliability of other low-frequency connectors is not affected.
Claims (3)
1. A multi-component electronic product interconnection method is characterized by comprising the following steps:
(1) Designing a movable switching support;
The movable transfer support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable transfer support, the inner side profile of the movable transfer support is matched with the flange of the low-frequency connector, a limiting structure is arranged on the inner side of the movable transfer support, and when the low-frequency connector is arranged in the movable transfer support, the movable transfer support is limited through the limiting structure and then connected in a welding mode;
(2) Welding the low-frequency connector and the movable switching support to form a connector welding assembly, so as to separate the low-frequency connector from the interconnection box body;
(3) The welded connector welding assembly passes through a through hole designed on the interconnection box body, and is pre-fixed by a screw or an adhesive mode, and the first position and the angle are adjusted at the moment;
(4) A plurality of functional components are inserted with the low-frequency connector in sequence to realize electrical interconnection;
(5) The circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through holes in the circuit board, the position and the angle of the connector welding assembly are adjusted again according to requirements when pin holes are matched, and the second adjustment is completed at the moment;
(6) After the adjustment is finished, the connector welding assembly is finally fastened with the interconnection box body;
(7) Welding pins of the connector welding assembly with the circuit board, and welding the circuit board with the interconnection box body to complete final electrical interconnection;
the clearance value between the via hole of the interconnected box body and the connector welding assembly is designed reasonably according to the adjustment requirement, and the connector welding assembly can translate in two directions and rotate at a small angle during assembly, so that the position adjustment of the low-frequency connector is realized;
the range of gap values between the interconnect cassette via and the connector weld assembly is: 0.2 mm-0.5 mm;
the functional components are arranged in parallel, and the clearance range is as follows: 0.05mm to 0.1mm.
2. The method of interconnecting multi-component electronic products of claim 1, wherein: when the low-frequency connector is damaged and needs to be maintained, maintenance or replacement can be performed only by means of unwelding the damaged single low-frequency connector and the circuit board, and the whole height Wen Jiehan of the interconnected box body is avoided.
3. A multi-component electronic product interconnect structure, comprising: the connector comprises a circuit board (1), a connector welding assembly (2), an interconnection box body (3) and a functional assembly (4); the connector welding assembly (2) comprises a low-frequency connector (5) and a movable switching bracket (6);
The low-frequency connector (5) is welded with the movable switching support (6) to form an integral structure of the connector welding assembly (2), so that decoupling between the low-frequency connector (5) and the interconnection box body (3) is realized; the connector welding assembly (2) is pre-fixed on the interconnection box body (3) through screws or other fastening modes, the functional assemblies (4) are sequentially inserted with the low-frequency connector welding assembly (2), and at the moment, the positions and angles of the connector welding assembly (2) are adjusted according to assembly requirements, so that the electrical interconnection of all the functional assemblies (4) and the low-frequency connector is completed;
The circuit board (1) is arranged in the interconnection box body (3), pins of the connector welding assembly (2) penetrate through holes in the circuit board (1), and when pinholes are matched, the position and the angle of the connector welding assembly (2) are adjusted again according to requirements; after the adjustment is finished, the connector welding assembly (2) and the interconnection box body (3) are finally fastened through screws or other fastening modes, and then the low-frequency connector pins and the circuit board (1) are welded to finish electrical interconnection;
The movable transfer support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable transfer support, the inner side profile of the movable transfer support is matched with the flange of the low-frequency connector, a limiting structure is arranged on the inner side of the movable transfer support, and when the low-frequency connector is arranged in the movable transfer support, the movable transfer support is limited through the limiting structure and then connected in a welding mode;
The connector welding assembly is provided with a through hole, the jack end of the connector welding assembly penetrates through the through hole on the interconnection box, a gap is designed between the connector welding assembly and the through hole on the interconnection box according to adjustment requirements, and the connector welding assembly can translate in two directions and rotate at a small angle during assembly, so that the position adjustment of the low-frequency connector is realized;
the functional components are arranged in parallel, and the clearance range is as follows: 0.05mm to 0.1mm.
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| CN202110939165.5A CN113794081B (en) | 2021-08-16 | 2021-08-16 | Multi-component electronic product interconnection method and structure |
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