CN111900560A - Fast-assembling type heavy current printed board subassembly - Google Patents
Fast-assembling type heavy current printed board subassembly Download PDFInfo
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- CN111900560A CN111900560A CN202010497820.1A CN202010497820A CN111900560A CN 111900560 A CN111900560 A CN 111900560A CN 202010497820 A CN202010497820 A CN 202010497820A CN 111900560 A CN111900560 A CN 111900560A
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- printed board
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- connector
- current connector
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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
- H01R12/71—Coupling devices for rigid printing circuits or like structures
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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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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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
- H01R27/00—Coupling parts adapted for co-operation with two or more dissimilar counterparts
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
A fast-assembly type high-current printed board assembly comprises a first printed board assembly and a second printed board assembly, wherein the first printed board assembly comprises a first printed board, a first high-current connector, a first low-current connector, a high-current connector and a low-current connector; the second printed board assembly comprises a second printed board, a second high-current connector and a second low-current connector; the first printed board is in parallel insertion connection with the second printed board, the second high-current connector is in matched electrical insertion connection with the first high-current connector, and the second low-current connector is in matched electrical insertion connection with the first low-current connector; the invention can realize the synchronous matching transmission of large and small currents through the two printed board assemblies without mutual interference, and eliminates the safety risk brought by copper bars, bus bars or welding wires.
Description
Technical Field
The invention belongs to the technical field of computers, and particularly relates to a fast-assembly type large-current printed board assembly.
Background
The printed board assembly is a printed board which is provided with electronic components and mechanical fasteners and completes all processes such as welding, coating and the like; printed board assemblies have become popular among intelligent electronic products;
because the overcurrent capacity of the printed wire is limited, when large current needs to be transmitted, the printed board is connected with an external interface in a mode of adding a copper bar and a bus bar or welding a wire; this has the disadvantage of being rigid in assembly, not easy to disassemble, not easy to replace and requiring a large space.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a quick-mounting type large-current printed board assembly, which has the following specific technical scheme:
a fast-assembly type high-current printed board assembly comprises a first printed board assembly and a second printed board assembly, wherein the first printed board assembly comprises a first printed board, a first high-current connector, a first small-current connector, a high-current connector and a small-current connector, the first high-current connector, the first small-current connector, the high-current connector and the small-current connector are all mounted on the surface of the first printed board at intervals, the first high-current connector is electrically connected with the high-current connector, the first small-current connector is electrically connected with the small-current connector, and the high-current connector and the small-current connector are used for connecting external equipment;
the second printed board assembly comprises a second printed board, a second high-current connector and a second low-current connector; the first printed board is in parallel insertion connection with the second printed board, the second high-current connector is in matched electrical insertion connection with the first high-current connector, and the second low-current connector is in matched electrical insertion connection with the first low-current connector.
Furthermore, the first high-current connector comprises a first base and a high-current insertion tube, the first base is arranged on the surface of the first printed board, the high-current insertion tubes distributed in a rectangular array are arranged on the surface of the first base, the high-current insertion tubes distributed in the rectangular array are vertically arranged on the surface of the second high-current connector, and the high-current insertion tubes are relatively electrically inserted into the high-current insertion tubes.
Furthermore, the surface of the second printed board is provided with an inwards concave accommodating groove, the large-current contact pin is arranged in the accommodating groove, the large-current contact pin extends out of the surface of the second printed board, and the large-current insertion tube extends into the accommodating groove.
Further, the surperficial both ends symmetry of first base is equipped with the heavy current registration arm, the heavy current registration arm symmetry is arranged in the both sides of heavy current intubate, the surperficial symmetry of second printing board is equipped with the heavy current reference column, the heavy current reference column symmetry is arranged in the both sides of heavy current contact pin, the heavy current registration arm with the cooperation of heavy current reference column is pegged graft.
Further, the first low-current connector comprises a second base and a low-current power strip; the second base is arranged on the surface of the first printed board, the surface of the second base is provided with a low-current power strip, the area of the small current socket is smaller than that of the second base, the small current socket and the second base are arranged in a ladder way, the inside of the small current socket is provided with small current jacks distributed in a rectangular array, the second small current connector comprises a small current socket and a small current pin, the small current socket is arranged on the surface of the second printed board, a slot is arranged inside the small current socket, the inside of the slot is provided with small current pins distributed in a rectangular array, the small current pins are embedded in the slot, the low-current power strip is inserted into the slot, the low-current contact pin is electrically inserted into the low-current jack relatively, and the low-current socket abuts against the surface of the second base.
Furthermore, the two ends of the surface of the second base are vertically provided with small current positioning columns, the small current positioning columns are arranged at the two ends of the small current socket at intervals, small current positioning holes are formed in the two ends of the small current socket, and the small current positioning columns are inserted into the small current positioning holes relatively.
Furthermore, an outer positioning hole is formed in the side edge of the surface of the first printed board, an outer positioning column is vertically arranged at the side edge of the surface of the second printed board, and the outer positioning column is relatively inserted into the outer positioning hole.
Furthermore, radiating fins are vertically distributed on the outer side face of the second printed board.
The invention has the beneficial effects that:
1. the large current is transmitted through the second large current connector, the first large current connector and the large current connector, and the small current is transmitted through the second small current connector, the first small current connector and the small current connector, so that the large current and the small current are synchronously matched and transmitted through the two printed board assemblies without mutual interference, copper bars, bus bars and wires are not needed, and the safety risk caused by the copper bars, the bus bars or the welding wires is eliminated;
2. the two printed board assemblies are fixedly inserted, so that the assembly difficulty is reduced, the printed board assemblies can be disassembled and replaced according to maintenance requirements, and the structure is flexible and changeable;
3. through the mode of two printed board assemblies for inserting and transmitting, the occupied space can be reduced in a very small height area, and the space is effectively saved.
Drawings
Fig. 1 is a schematic structural diagram of a fast-assembly high-current printed board assembly of the invention;
FIG. 2 illustrates a first printed board assembly configuration of the present invention;
FIG. 3 illustrates a schematic cross-sectional view of a first printed board assembly of the present invention;
FIG. 4 shows a first low current connector configuration of the present invention;
FIG. 5 illustrates a second printed board assembly construction of the present invention;
FIG. 6 illustrates a schematic cross-sectional view of a second printed board assembly of the present invention;
FIG. 7 shows a second low current connector configuration of the present invention;
shown in the figure: 1. a first printed board assembly; 11. a first printed board; 111. an outer positioning hole; 12. a first high current connector; 121. a first base; 122. inserting a large current tube; 123. a large-current positioning tube; 13. a first low current connector; 131. a second base; 1311. a small current positioning column; 132. a low current socket; 1321. a low current jack; 14. a high current terminal; 15. a low current junction; 2. a second printed board assembly; 21. a second printed board; 211. an outer locating post; 212. a receiving groove; 213. a heavy current positioning column; 22. a second high current connector; 221. inserting a large-current pin; 23. a second low current connector; 231. a low current socket; 2311. positioning the small current hole; 2312. a slot; 232. a small current pin is inserted; 24. and (4) radiating fins.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the description of the specific embodiments is intended to be illustrative of the invention and is not intended to limit the invention.
As shown in fig. 1 to 7, a fast-assembly type large-current printed board assembly includes a first printed board assembly 1 and a second printed board assembly 2, where the first printed board assembly 1 includes a first printed board 11, a first large-current connector 12, a first small-current connector 13, a large-current connector 14, and a small-current connector 15, the first large-current connector 12, the first small-current connector 13, the large-current connector 14, and the small-current connector 15 are all mounted on a surface of the first printed board 11 at intervals, the first large-current connector 12 is electrically connected to the large-current connector 14, the first small-current connector 13 is electrically connected to the small-current connector 15, and the large-current connector 14 and the small-current connector 15 are used for connecting external devices;
the second printed board assembly 2 comprises a second printed board 21, a second high-current connector 22 and a second low-current connector 23; the first printed board 11 and the second printed board 21 are inserted in parallel, the second high-current connector 22 is electrically inserted in a matching manner with the first high-current connector 12, and the second low-current connector 23 is electrically inserted in a matching manner with the first low-current connector 13; the heavy current passes through second heavy current connector 22, first heavy current connector 12 and the transmission of heavy current joint 14, the undercurrent passes through second undercurrent connector 23, first undercurrent connector 13, undercurrent joint 15 transmission, thereby realize big, the undercurrent passes through the synchronous cooperation transmission of two printed board subassemblies, mutual noninterference, need not the busbar, the wire, the copper bar has been eliminated, the safety risk that the busbar or welding wire brought, two printed board subassemblies are pegged graft fixedly, the effectual space of having practiced thrift, the assembly degree of difficulty has been reduced, can dismantle the change printed board subassembly according to the maintenance needs, the structure is nimble changeable.
As shown in fig. 2 and 5, the first high-current connector 12 includes a first base 121 and a high-current insertion tube 122, the first base 121 is disposed on the surface of the first printed board 11, the high-current insertion tubes 122 are arranged on the surface of the first base 121 in a rectangular array, the high-current insertion tubes 221 are arranged on the surface of the second high-current connector 22 in a perpendicular manner, and the high-current insertion tubes 221 are relatively electrically inserted into the high-current insertion tubes 122; the large-current insertion pin 221 and the large-current insertion tube 122 are matched and plugged, so that large current transmission can be realized.
As an improvement of the above technical scheme, the surface of the second printed board 21 is provided with an inward concave receiving groove 212, the large-current pins 221 are all arranged inside the receiving groove 212, the receiving groove 212 can also enable the large-current pins 221 to fully leak outwards, so that the large-current pins 221 can be conveniently plugged with the large-current insertion tubes 122, the plugging space is increased, and on the other hand, the receiving groove 212 can form a cavity outside each large-current pin 221, so that the heat dissipation space is increased, and heat accumulation during large-current transmission is avoided;
the large-current pin 221 extends out of the surface of the second printed board 21, and the large-current pin 122 extends into the receiving groove 212; the large-current pin 221 and the large-current inserting tube 122 extend outwards, so that the large-current pin 221 and the large-current inserting tube 122 can be overlapped in a staggered mode, the large-current pin 221 and the large-current inserting tube 122 can be conveniently inserted into each other, the overlapped inserting surface is increased, and the inserting strength is improved.
As an improvement of the above technical solution, two ends of the surface of the first base 121 are symmetrically provided with large-current positioning tubes 123, the large-current positioning tubes 123 are symmetrically disposed on two sides of the large-current insertion tube 122, the surface of the second printed board 21 is symmetrically provided with large-current positioning posts 213, the large-current positioning posts 213 are symmetrically disposed on two sides of the large-current insertion pin 221, and the large-current positioning tubes 123 are inserted in the large-current positioning posts 213 in a matching manner; by matching the large-current positioning column 213 and the large-current positioning tube 123, the first large-current connector 12 and the second large-current connector 22 can be accurately and quickly plugged, so that blind insertion can be realized, and the plugging speed is increased.
As an improvement of the above technical solution, an outer positioning hole 111 is formed in a side edge of the surface of the first printed board 11, an outer positioning column 211 is vertically arranged on a side edge of the surface of the second printed board 21, and the outer positioning column 211 is relatively inserted into the outer positioning hole 111; the outer positioning columns 211 and the outer positioning holes 111 can improve the fixing strength and the fixing precision of the peripheries of the first printed board 11 and the second printed board 21.
As an improvement of the above technical solution, heat dissipation fins 24 are vertically distributed on the outer side surface of the second printed board 21; the radiating speed of the printed board assembly can be improved through the radiating fins, and stable transmission of large current and small current is guaranteed.
As shown in fig. 2 and 5, the first low current connector 13 includes a second base 131, a low current socket 132; the second substrate 131 is disposed on the surface of the first printed board 11, the surface of the second substrate 131 is provided with a small current socket 132, the area of the small current socket 132 is smaller than the area of the second substrate 131, the small current socket 132 and the second substrate 131 are arranged in a step manner, small current jacks 1321 distributed in a rectangular array are formed in the small current socket 132, the second small current connector 23 includes a small current socket 231 and a small current pin 232, the small current socket 231 is disposed on the surface of the second printed board 21, a slot 2312 is formed in the small current socket 231, small current pins 232 distributed in a rectangular array are disposed in the slot 2312, the small current pins 232 are embedded in the slot 2312, the small current socket 132 is inserted in the slot 2312, and the small current pins 232 are relatively electrically inserted in the small current jacks 1321, the small current socket 231 abuts against the surface of the second base 131; the cooperation that utilizes undercurrent contact pin 232 and undercurrent to insert row 132 can realize the electric property transmission of undercurrent to insert row 132, slot 2312 unsmooth complex mode through the undercurrent, can effectual improvement cooperation intensity, cooperation contact surface, stair structure also make the assembly precision higher, and the assembly is more simple and convenient.
As shown in fig. 4 and 7, small current positioning posts 1311 are vertically disposed at two ends of the surface of the second base 131, the small current positioning posts 1311 are disposed at two ends of the small current socket 132 at intervals, small current positioning holes 2311 are disposed at two ends of the small current socket 231, and the small current positioning posts 1311 are inserted into the small current positioning holes 2311; the blind mating of the first low current connector 13 and the second low current connector 23 can be realized by the cooperation of the low current positioning post 1311 and the low current positioning hole 2311.
The size and specification of each conductive part in the high-current connector provided by the invention are multiple times of those of a low-current connector; thereby ensuring that large current can be stably transmitted.
In the implementation of the invention, during assembly, the second printed board assembly 2 is inserted into the first printed board assembly 1, the second printed board 21 is inserted into the first printed board 11 in parallel, and the outer positioning column 211 is inserted into the outer positioning hole 111 in a matching manner;
during the plugging, the second high-current connector 22 is inserted into the first high-current connector 12, the high-current insertion tube 122 extends into the receiving groove 212, the high-current insertion tube 221 is relatively inserted into the high-current insertion tube 122, and the high-current positioning post 213 is inserted into the high-current positioning tube 123; the small current socket 231 is inserted outside the small current socket 132, the small current socket 132 is inserted into the slot 2312, the small current pin 232 is inserted into the small current jack 1321, the end surface of the small current socket 231 abuts against the top surface of the second base 131, and the small current positioning column 1311 is inserted into the small current positioning hole 2311;
therefore, the quick blind insertion of the first printed board assembly 1 and the second printed board assembly 2 can be completed, and finally, the large-current connector 14 and the small-current connector 15 are connected with external equipment;
when the printed board assembly works, large current is transmitted through the second large current connector 22, the first large current connector 12 and the large current connector 14, small current is transmitted through the second small current connector 23, the first small current connector 13 and the small current connector 15, and large current and small current are transmitted through the two printed board assemblies in a synchronous matching mode; the safety and stability are realized, and the heat generated in the working process is quickly led out through the radiating fins 24;
when equipment needs to be maintained or replaced, only the external equipment needs to be separated from the large-current connector 14 and the small-current connector 15, and then the first printed board assembly 1 and the second printed board assembly 2 are separated by force up and down, so that the disassembly and the maintenance are simple and efficient.
The printed board assemblies are interconnected in a blind plugging mode through the connectors, so that the occupied space is reduced, the assembly difficulty is reduced, and the safety risk caused by the addition of copper bars, bus bars or welding wires is reduced; the printed board assemblies are stacked through the connectors or the flexible printed boards, so that space can be greatly saved, and assembly difficulty is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides a fast-assembling type heavy current printed board subassembly which characterized in that: the printed circuit board comprises a first printed board assembly (1) and a second printed board assembly (2), wherein the first printed board assembly (1) comprises a first printed board (11), a first large-current connector (12), a first small-current connector (13), a large-current connector (14) and a small-current connector (15), the first large-current connector (12), the first small-current connector (13), the large-current connector (14) and the small-current connector (15) are all installed on the surface of the first printed board (11) at intervals, the first large-current connector (12) is electrically connected with the large-current connector (14), the first small-current connector (13) is electrically connected with the small-current connector (15), and the large-current connector (14) and the small-current connector (15) are used for connecting external equipment;
the second printed board assembly (2) comprises a second printed board (21), a second high-current connector (22) and a second low-current connector (23); the first printed board (11) and the second printed board (21) are parallelly inserted, the second high-current connector (22) is electrically inserted in a matched mode with the first high-current connector (12), and the second low-current connector (23) is electrically inserted in a matched mode with the first low-current connector (13).
2. The quick-install high-current printed board assembly according to claim 1, wherein: the first high-current connector (12) comprises a first base (121) and high-current insertion tubes (122), the first base (121) is arranged on the surface of the first printed board (11), the high-current insertion tubes (122) distributed in a rectangular array are arranged on the surface of the first base (121), the high-current insertion tubes (221) distributed in a rectangular array are perpendicularly arranged on the surface of the second high-current connector (22), and the high-current insertion tubes (221) are electrically inserted into the high-current insertion tubes (122) relatively.
3. The quick-install high-current printed board assembly according to claim 2, wherein: the surface of the second printed board (21) is provided with an inwards concave accommodating groove (212), the large-current contact pins (221) are arranged inside the accommodating groove (212), the large-current contact pins (221) extend out of the surface of the second printed board (21), and the large-current insertion tubes (122) extend into the accommodating groove (212).
4. A quick-install high-current printed board assembly according to claim 3, wherein: the surperficial both ends symmetry of first base (121) is equipped with heavy current registration arm (123), heavy current registration arm (123) symmetry is arranged in the both sides of heavy current intubate (122), the surperficial symmetry of second printing board (21) is equipped with heavy current reference column (213), heavy current reference column (213) symmetry is arranged in the both sides of heavy current contact pin (221), heavy current registration arm (123) with heavy current reference column (213) cooperation is pegged graft.
5. The quick-install high-current printed board assembly according to claim 2, wherein: the first low-current connector (13) comprises a second base (131), a low-current socket (132); the second base (131) is arranged on the surface of the first printed board (11), the surface of the second base (131) is provided with a small current socket (132), the area of the small current socket (132) is smaller than that of the second base (131), the small current socket (132) and the second base (131) are arranged in a ladder manner, small current jacks (1321) distributed in a rectangular array manner are formed in the small current socket (132), the second small current connector (23) comprises a small current socket (231) and small current pins (232), the small current socket (231) is arranged on the surface of the second printed board (21), a slot (2312) is formed in the small current socket (231), the small current pins (232) distributed in the rectangular array manner are arranged in the slot (2312), and the small current pins (232) are embedded in the slot (2312), the low-current power strip (132) is inserted into the slot (2312), the low-current pin (232) is relatively electrically inserted into the low-current jack (1321), and the low-current socket (231) abuts against the surface of the second base (131).
6. The quick-install high-current printed board assembly according to claim 5, wherein: two ends of the surface of the second base (131) are vertically provided with small current positioning columns (1311), the small current positioning columns (1311) are arranged at two ends of the small current power strip (132) at intervals, two ends of the small current socket (231) are provided with small current positioning holes (2311), and the small current positioning columns (1311) are inserted into the small current positioning holes (2311) relatively.
7. The quick-install high-current printed board assembly according to claim 5, wherein: an outer positioning hole (111) is formed in the side edge of the surface of the first printed board (11), an outer positioning column (211) is vertically arranged on the side edge of the surface of the second printed board (21), and the outer positioning column (211) is relatively inserted into the outer positioning hole (111).
8. The quick-install high-current printed board assembly according to claim 1, wherein: and heat radiating fins (24) are vertically distributed on the outer side surface of the second printed board (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010497820.1A CN111900560B (en) | 2020-06-04 | 2020-06-04 | Fast-assembling type heavy current printed board subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010497820.1A CN111900560B (en) | 2020-06-04 | 2020-06-04 | Fast-assembling type heavy current printed board subassembly |
Publications (2)
| Publication Number | Publication Date |
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| CN111900560A true CN111900560A (en) | 2020-11-06 |
| CN111900560B CN111900560B (en) | 2021-12-28 |
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| CN202010497820.1A Active CN111900560B (en) | 2020-06-04 | 2020-06-04 | Fast-assembling type heavy current printed board subassembly |
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| DE102014224696A1 (en) * | 2014-12-03 | 2016-06-09 | Zf Friedrichshafen Ag | Circuit carrier assembly and method of making a circuit carrier assembly |
| CN205159695U (en) * | 2015-11-27 | 2016-04-13 | 深圳市速联连接器有限公司 | Can dismantle and load in mixture template to board connector |
| CN106785744A (en) * | 2017-01-22 | 2017-05-31 | 陈以勒 | A kind of modularization printed board type rectangle mixed plug connector |
| CN206422345U (en) * | 2017-01-22 | 2017-08-18 | 陈以勒 | A kind of modularization printed board type rectangle mixed plug connector |
| CN206451951U (en) * | 2017-01-22 | 2017-08-29 | 陈以勒 | A kind of modular rectangle floating hybrid-assembling socket connector |
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| CN111900560B (en) | 2021-12-28 |
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