CN113794081A - Multi-component electronic product interconnection method and structure - Google Patents
Multi-component electronic product interconnection method and structure Download PDFInfo
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- CN113794081A CN113794081A CN202110939165.5A CN202110939165A CN113794081A CN 113794081 A CN113794081 A CN 113794081A CN 202110939165 A CN202110939165 A CN 202110939165A CN 113794081 A CN113794081 A CN 113794081A
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- 230000014616 translation Effects 0.000 claims description 5
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- 238000012545 processing Methods 0.000 abstract description 10
- 238000012423 maintenance Methods 0.000 abstract description 7
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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
Abstract
Compared with the traditional interconnection method, the invention provides a movable switching bracket design, can realize the position adjustment function of multi-direction translation and small-angle rotation of the low-frequency connector, and meets the requirement of plug-in under the conditions of multi-component, multi-connector direction arrangement and complex combination mode. The invention realizes the position adjustment requirement when the miniaturized connector is assembled and welded with the PCB and reduces the difficulty when the pin of the connector and the through hole of the PCB are penetrated. The connector maintenance and replacement efficiency can be greatly improved, the damaged single connector and the PCB can be maintained or replaced after being desoldered, the high-temperature desoldering operation of the interconnection box body is avoided, and the installation reliability of other connectors cannot be influenced. The method can eliminate the negative effects caused by part processing errors and multi-component assembly accumulated errors, reduce the requirements on part processing precision and assembly precision, and improve the assembly efficiency.
Description
Technical Field
The invention aims at the improved design of the electrical interconnection mode of a plurality of functional component integrated electronic products, and is suitable for the low-frequency interconnection requirements of miniaturized, systematized and multi-component electronic products.
Background
The multi-component electronic product adopts the integrated design of modular functional components and adopts the interconnection scheme of combining a miniaturized low-frequency connector with the internal wiring of a circuit board. According to the scheme, a method that conventional electronic products are interconnected by using external low-frequency cables is abandoned, the functional components are interconnected by adopting a low-frequency connector, and the single-machine miniaturization and integration design is realized. According to the interconnection method, the miniaturized low-frequency connector is welded with the interconnection box body, the functional components and the connector are inserted in an opposite mode, then the circuit board is installed in the interconnection box body, pins of the miniaturized low-frequency connector penetrate through holes of the circuit board and then are welded with the circuit board, and therefore electrical interconnection between the functional components is achieved.
Because of the unable adjustment in position behind low frequency connector and the welding of interconnection box body, it is more difficult that the connector pin passes through the circuit board via hole in the circuit board process of packing into, and the multi-functional subassembly is assembled the back product bottom surface plane degree and also can't adjust if unsatisfied the requirement. If the number of functional components is large, the functional components and the connector cannot be inserted into each other due to accumulated processing and assembling errors. When a connector in a multi-component electronic product needs to be maintained and replaced, a circuit board and all low-frequency connectors are firstly needed to be desoldered, and then the damaged low-frequency connectors and the interconnection box body are desoldered, so that the maintenance efficiency is low, and the desoldering process can influence the welding quality of other low-frequency connectors due to high-temperature operation.
In order to solve the difficulty in the assembling process, the conventional method is to improve the processing precision of the interconnection box body and the functional component box body and ensure higher assembling precision at the same time. The method has the advantages of high processing difficulty and high cost. Another solution is to make the functional components position adjustable by a reasonable tolerance design. If a designed gap is reserved between the components, fine adjustment is carried out in one direction through the reserved gap during assembly. Considering the stability requirement after the assembly, the clearance value between the functional components is generally 0.1-0.2 mm, 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 functional components is increased, the design directions of the low-frequency connector are in an orthogonal relation, a specific combination mode is provided for multiple components, and the like, the method is not applicable any more, and the condition that the low-frequency connector and the functional components cannot be inserted into each other is easy to occur. The above two methods also do not improve the maintenance efficiency.
In the publicly published documents and publications, no patent for solving the above problems has been found. The following inventions are related to the present invention, and the following details are provided:
1. application No. < panel connector, adaptor connector, panel-adaptor connector assembly and RU box >: 201710773005.1, the RU box of the invention comprises a box body, a panel connector, a printed board, a contact element on the printed board and a switching connector, wherein the panel connector and the contact element on the printed board face the same direction, and the switching connector is inserted along the opposite direction of the direction to realize the conductive connection between the panel connector and the printed board, the switching connector is pulled out to realize the power failure, when the printed board needs to be removed, the switching connector only needs to be pulled out, so that the installation and the removal of the printed board do not depend on the installation and the removal of the panel connector, a specific disassembly and assembly sequence is not needed, and the disassembly and the assembly of the printed board are very convenient. The invention realizes the disassembly of the printed board by adding the adapter connector without depending on the assembly and disassembly of the panel connector,
2. application No.: 201520258108.0, the patent can conveniently and quickly convert the plug connector into a radio frequency coaxial connector, which is convenient for users to use, and the external dimension can be greatly reduced, and the assembly space is saved; 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 No.: 201510816536.5 to provide a connector support structure and an adapter which facilitate the connection between a connector held on a wiring board and a mating connector and improve the work efficiency.
4. Application No. of a light spring type high-tolerance high-low frequency mixed connector: 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 capability of the double-female radio frequency connector during radio frequency signal interconnection can be improved.
5. Detachable connector mechanism application No.: 201721667377.8, the connector mechanism can be dismantled to this patent overall structure design is simple reasonable, connects between the spare part stably, the effectual effect of having realized waterproof anticreep, and the flexible operation is convenient, has stronger practicality.
6. Application No.: 201310238380.8, the connector bracket comprises a fixing part for fixing a connector and a locking part for locking and connecting with other devices, the fixing part and the locking part are integrally formed. By means of the connector support, the connector can be installed and fixed at any feasible position in the electronic equipment.
Through the analysis of the above patents, the patents 1, 2 and 3 mainly improve the assembly efficiency, and do not relate to the multi-component assembly and the solution of the part processing error and the installation error. Patent 4 is to improve the axial tolerance capability of the radio frequency connector. Patent 5 can realize that the connector can be dismantled, waterproof anticreep mainly is to the optimal design of connector function itself, does not relate to the subassembly equipment. Patent 6 is designed for supporting the connector, and does not relate to position adjustment during assembly of multiple components.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, the method and the structure for interconnecting the multi-component electronic products are provided, the position of the low-frequency connector can be adjusted when the multi-component electronic products are assembled by the design of the movable switching support, and the design requirement of a complex multi-component integrated single machine is met.
The technical solution of the invention is as follows:
a multi-component electronic product interconnection method comprises the following steps:
(1) designing a movable switching bracket;
(2) welding the low-frequency connector with the movable adapter bracket to form a connector welding assembly, so that the low-frequency connector is separated from the interconnected box body;
(3) the welded connector welding assembly penetrates through a through hole designed on the interconnected box body, the connector welding assembly and the through hole are pre-fixed in a screw or bonding mode, and the position and the angle are adjusted for the first time;
(4) sequentially plugging a plurality of functional components with a low-frequency connector to realize electrical interconnection;
(5) the circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through the through holes in the circuit board, the position and the angle of the connector welding assembly are adjusted again according to needs when the pin holes are matched, and then secondary adjustment is completed;
(6) after the adjustment is finished, finally fastening the connector welding assembly and 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.
Furthermore, according to the clearance value that needs reasonable in design between interconnection box body via hole and the connector welding subassembly, connector welding subassembly can two direction translations and small-angle rotation during the equipment, realizes the position control of low frequency connector.
Further, the clearance value range between interconnection box body via hole and the connector welding assembly is: 0.2 mm-0.5 mm.
Furthermore, 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 molded surface 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 is connected in a welding mode.
Furthermore, a plurality of functional components are arranged in parallel, and the clearance range is as follows: 0.05 mm-0.1 mm. Compared with the prior art, the gap value of the functional components is reduced 1/2, which is more beneficial to product miniaturization, and especially has obvious advantages when the number of the functional modules is large. When the clearance value of the functional components is reduced, the self rigidity and the damping of the product can be improved, and the mechanical resistance of the product is 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 need to be maintained or replaced after being subjected to desoldering, and the integral high-temperature desoldering of the interconnection box body is avoided.
Further, the present invention also provides an interconnection structure of a multi-component electronic product, comprising: the circuit board, the connector welding assembly, the interconnection box body and the functional assembly; the connector welding assembly further comprises a low-frequency connector and a movable adapter bracket;
the low-frequency connector is welded with the movable adapter bracket to form an integral structure of a connector welding assembly, so that decoupling between the low-frequency connector and the interconnected box body is realized; the connector welding assembly is pre-fixed on the interconnection box body through screws or other fastening modes, the functional assembly is sequentially inserted into the low-frequency connector welding assembly, and the position and the angle of the connector welding assembly are adjusted according to the assembly requirement, 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 the through holes in the circuit board, and the position and the angle of the connector welding assembly are adjusted again according to needs when the pin holes are matched; and after the adjustment is finished and the assembly is completed, finally fastening the connector welding assembly and the interconnection box body through screws or other fastening modes, and then welding the pins of the low-frequency connector and the circuit board to complete the electrical interconnection.
Furthermore, 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 molded surface 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 is connected in a welding mode.
Furthermore, be provided with the via hole on the interconnection box body, the jack end of connector welding subassembly passes via hole on the interconnection box body designs the clearance according to adjustment needs between the via hole on connector welding subassembly and the interconnection box body, but connector welding subassembly two direction translations and small-angle rotation during the equipment realize the position control of low frequency connector.
Furthermore, a plurality of functional components are arranged in parallel, and the clearance range is as follows: 0.05 mm-0.1 mm.
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 through the design of the movable switching bracket, and meets 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 relation. The problem of unable equipment that processing, assembly accumulative error arouse when having solved the electrical interconnection of multi-component electronic product improves equipment and maintenance efficiency.
(2) The invention eliminates the hard connection relation between the low-frequency connector and the interconnected 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 plug-in positions under the conditions of multi-component, multi-connector direction arrangement and complex combination mode.
(3) The invention can meet the position adjustment requirement when the low-frequency connector and the circuit board are welded and assembled, and reduces the difficulty when the pin of the connector and the through hole of the circuit board penetrate.
(4) The method can greatly improve the maintenance and replacement efficiency of the low-frequency connector. Only need can maintain or change after single connector that will damage and the circuit board desolder, avoided the whole high temperature desoldering operation of interconnection box body, can not influence the reliability of other low frequency connectors.
(5) The method can eliminate the negative effects caused by part processing errors and multi-component assembly accumulated errors, reduce the requirements on part processing precision and assembly precision, and improve the 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 connector weld assembly of the present invention.
Detailed Description
The invention designs a connector switching bracket, firstly, a low-frequency connector is welded with the switching bracket, and the low-frequency connector is separated from an interconnection box body. The welded connector welding assembly penetrates through a through hole designed in the interconnected box body, and the welded connector welding assembly and the through hole are pre-fixed through screws or other fixing modes. The gap value between the interconnecting box body via hole and the connector welding assembly is reasonable in design according to adjustment needs, the connector welding assembly can translate in two directions and rotate at a small angle during assembly, and the position of the low-frequency connector is adjusted. And the functional components are sequentially plugged into the low-frequency connector to realize electrical interconnection. And 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 after the electrical interconnection is realized, and 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 bracket;
as shown in fig. 2, the movable adapter bracket is a rectangular frame structure, the two sides of the movable adapter bracket are provided with screw connection positions, the inner profile of the movable adapter bracket is matched with the flange of the low-frequency connector, and the inner side of the movable adapter bracket is provided with a limit structure.
(2) Welding the low-frequency connector with the movable adapter bracket to form a connector welding assembly, so that the low-frequency connector is separated from the interconnected box body;
the invention eliminates the hard connection relation between the low-frequency connector and the interconnected 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 plug-in positions under the conditions of multi-component, multi-connector direction arrangement and complex combination mode.
(3) The welded connector welding assembly penetrates through a through hole designed on the interconnected box body, the connector welding assembly and the through hole are pre-fixed in a screw or bonding mode, and the position and the angle are adjusted for the first time;
the gap value between the interconnecting box body via hole and the connector welding assembly is reasonable in design according to adjustment needs, the connector welding assembly can translate in two directions and rotate at a small angle during assembly, and the position of the low-frequency connector is adjusted.
Preferably, in order to achieve a better effect, the gap value range between the interconnection box body via hole and the connector welding assembly is set as follows: 0.2 mm-0.5 mm.
(4) Sequentially plugging a plurality of functional components with a low-frequency connector to realize electrical interconnection;
a plurality of functional components are arranged in parallel, and the clearance range is as follows: 0.05 mm-0.1 mm. Compared with the prior art, the gap value of the functional components is reduced 1/2, which is more beneficial to product miniaturization, and especially has obvious advantages when the number of the functional modules is large. When the clearance value of the functional components is reduced, the self rigidity and the damping of the product can be improved, and the mechanical resistance of the product is improved.
(5) The circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through the through holes in the circuit board, the position and the angle of the connector welding assembly are adjusted again according to needs when the pin holes are matched, and then secondary adjustment is completed;
the invention can meet the position adjustment requirement when the low-frequency connector and the circuit board are welded and assembled, and reduces the difficulty when the pin of the connector and the through hole of the circuit board penetrate.
(6) After the adjustment is finished, finally fastening the connector welding assembly and 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, only the damaged single low-frequency connector and the circuit board need to be maintained or replaced after being subjected to desoldering, and the integral high-temperature desoldering of the interconnection box body is avoided.
The invention realizes the position adjustment of the low-frequency connector during the assembly of multiple components through the design of the movable switching bracket, and meets 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 relation. The problem of unable equipment that processing, assembly accumulative error arouse when having solved the electrical interconnection of multi-component electronic product improves equipment and maintenance efficiency.
As shown in fig. 1, the multi-component electronic product interconnection structure provided by the present invention includes: the circuit board 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 further comprises a low-frequency connector 5 and a movable adapter bracket 6;
the low-frequency connector 5 is welded with the movable adapter bracket 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 assembly 4 is sequentially inserted into the low-frequency connector welding assembly 2, and the position and the angle 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 the through holes in the circuit board 1, and the position and the angle of the connector welding assembly 2 are adjusted again according to needs when the pin holes are matched; and after the adjustment is finished and the assembly is completed, finally fastening the connector welding assembly 2 and the interconnection box body 3 through screws or other fastening modes, and then welding the pins of the low-frequency connector and the circuit board 1 to complete the electrical interconnection.
The invention relates to a method for interconnecting a multi-component electronic product, wherein the shapes, the connector positions and the like of functional components 4 can be the same or different.
The working principle and the assembling process of the multi-component electronic product interconnection structure are as follows:
firstly, welding (depending on the use environment, also can bonding) the low-frequency connector 5 and the switching bracket 6 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 connector position adjustment in the subsequent assembly process becomes possible. The connector weld assemblies 2 are pre-fixed to the interconnect cassette 3 by screws or other fastening means. With functional component 4 in proper order with low frequency connector welding subassembly 2 to inserting, adjust connector welding subassembly 2's position and angle according to the equipment needs this moment, accomplish all functional component 4 and low frequency connector's electrical interconnection. The circuit board 1 is arranged in the interconnection box body 3, pins on the low-frequency connector penetrate through holes in the circuit board 1, and the position and the angle of the connector welding assembly 2 can be adjusted again as required when the pin holes are matched. After the adjustment is finished and the assembly is completed, 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 pins of the low-frequency connector and the circuit board 1 are welded to complete the electrical interconnection.
The method can greatly improve the maintenance and replacement efficiency of the low-frequency connector. Only need can maintain or change after single connector that will damage and the circuit board desolder, avoided the whole high temperature desoldering operation of interconnection box body, can not influence the reliability of other low frequency connectors.
Claims (10)
1. A multi-component electronic product interconnection method is characterized by comprising the following steps:
(1) designing a movable switching bracket;
(2) welding the low-frequency connector with the movable adapter bracket to form a connector welding assembly, so that the low-frequency connector is separated from the interconnected box body;
(3) the welded connector welding assembly penetrates through a through hole designed on the interconnected box body, the connector welding assembly and the through hole are pre-fixed in a screw or bonding mode, and the position and the angle are adjusted for the first time;
(4) sequentially plugging a plurality of functional components with a low-frequency connector to realize electrical interconnection;
(5) the circuit board is arranged in the interconnection box body, pins of the connector welding assembly penetrate through the through holes in the circuit board, the position and the angle of the connector welding assembly are adjusted again according to needs when the pin holes are matched, and then secondary adjustment is completed;
(6) after the adjustment is finished, finally fastening the connector welding assembly and 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.
2. The method of claim 1, further comprising: the gap value between the interconnecting box body via hole and the connector welding assembly is reasonable in design according to adjustment needs, the connector welding assembly can translate in two directions and rotate at a small angle during assembly, and the position of the low-frequency connector is adjusted.
3. A method of interconnecting multiple-component electronics according to claim 2, wherein: the clearance value range between interconnection box body via hole and the connector welding assembly is: 0.2 mm-0.5 mm.
4. The method of claim 1, further comprising: the movable switching support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable switching support, an inner side molded surface 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 into the movable switching support, the movable switching support is limited through the limiting structure and then is connected in a welding mode.
5. The method of claim 1, further comprising: a plurality of functional components are arranged in parallel, and the clearance range is as follows: 0.05 mm-0.1 mm.
6. The method of claim 1, further comprising: when the low-frequency connector is damaged and needs to be maintained, only the damaged single low-frequency connector and the circuit board need to be maintained or replaced after being subjected to desoldering, and the integral high-temperature desoldering of the interconnection box body is avoided.
7. 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 adapter bracket (6);
the low-frequency connector (5) is welded with the movable adapter bracket (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 assembly (4) is sequentially inserted into the low-frequency connector welding assembly (2), and the position and the angle of the connector welding assembly (2) are adjusted according to the assembly requirement to complete the electrical interconnection of all the functional assemblies (4) and the low-frequency connector;
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 the position and the angle of the connector welding assembly (2) are adjusted again according to needs when pin holes are matched; and after the adjustment is finished and the assembly is finished, finally fastening the connector welding assembly (2) and the interconnection box body (3) through screws or other fastening modes, and then welding the pins of the low-frequency connector and the circuit board (1) to finish the electrical interconnection.
8. The multi-component electronic interconnect structure of claim 7, wherein: the movable switching support is of a rectangular frame structure, screw connection positions are arranged on two sides of the movable switching support, an inner side molded surface 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 into the movable switching support, the movable switching support is limited through the limiting structure and then is connected in a welding mode.
9. The multi-component electronic interconnect structure of claim 7, wherein: be provided with the via hole on the interconnection box body, the jack end of connector welding assembly passes via hole on the interconnection box body designs the clearance according to the adjustment needs between the via hole on connector welding assembly and the interconnection box body, but connector welding assembly two direction translations and small-angle rotation during the equipment realize the position control of low frequency connector.
10. The multi-component electronic interconnect structure of claim 7, wherein: a plurality of functional components are arranged in parallel, and the clearance range is as follows: 0.05 mm-0.1 mm.
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