CN209914192U - Multilayer circuit board for switching power supply - Google Patents
Multilayer circuit board for switching power supply Download PDFInfo
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- CN209914192U CN209914192U CN201920598078.6U CN201920598078U CN209914192U CN 209914192 U CN209914192 U CN 209914192U CN 201920598078 U CN201920598078 U CN 201920598078U CN 209914192 U CN209914192 U CN 209914192U
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- circuit board
- layer circuit
- switching power
- power supply
- cooling
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Abstract
The utility model discloses a multilayer circuit board for switching power supply, including upper circuit board, the below of upper circuit board is provided with the middle level circuit board, the below of middle level circuit board is provided with lower floor's circuit board, upper circuit board, middle level circuit board and lower floor's circuit board pass through the spliced pole and link to each other, are connected with a plurality of between upper circuit board and the middle level circuit board and lead electrical pillar, also are connected with a plurality of electrical pillar of leading between middle level circuit board and the lower floor's circuit board, set up in upper circuit board, middle level circuit board and the lower floor's circuit board. The utility model relates to a simple structure, convenient assembly, the cooling effect is good, stable performance's multilayer circuit board for switching power supply.
Description
Technical Field
The utility model relates to a circuit board technical field specifically is a multilayer circuit board for switching power supply.
Background
Circuit boards used in switching power supplies are classified into three major categories, a single-sided board, a double-sided board, and a multilayer wiring board, in terms of the number of layers. The multilayer board refers to a printed board having three or more conductive pattern layers laminated with an insulating material therebetween at intervals, and the conductive patterns therebetween are interconnected as required. The multilayer circuit board is a product of the development of electronic information technology in the directions of high speed, multifunction, large capacity, small volume, thinning and light weight. At present, most of multilayer circuit boards used in the existing switching power supply have the defect of poor heat dissipation performance, and heat in an area between adjacent circuit boards is difficult to dissipate, so that elements of the multilayer circuit boards are easy to age, and the service life of the multilayer circuit boards is shortened. Therefore, a novel multilayer circuit board for a switching power supply is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a switching power supply uses multilayer circuit board to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a multilayer circuit board for switching power supply, includes upper circuit board, the below of upper circuit board is provided with the middle level circuit board, the below of middle level circuit board is provided with the lower floor's circuit board, upper circuit board, middle level circuit board and lower floor's circuit board pass through the spliced pole and link to each other, are connected with a plurality of between upper circuit board and the middle level circuit board and lead electrical pillar, also are connected with a plurality of electrical pillar of leading between middle level circuit board and the lower floor's circuit board, set up in upper circuit board, middle level circuit board and the.
Preferably, cooling body includes a set of cooling tube that sets up side by side, the cooling tube is the ring pipe of end to end intercommunication, and the cooling tube is close to the upper and lower terminal surface range of upper circuit board, middle level circuit board and lower floor's circuit board, and cooling body still includes the condensation plate, the condensation plate sets up the top at upper circuit board, and the condensation plate contacts with the surface of cooling tube, is provided with heat dissipation aluminum fin on the up end of condensation plate.
Preferably, be provided with a set of installation screw hole on the lower terminal surface of upper circuit board and on the up end of lower floor's circuit board, the upper and lower end of spliced pole is provided with the installation threaded rod, the cooperation of installation threaded rod is installed in the installation screw hole, be provided with a set of perforation in the middle level circuit board, the spliced pole passes from the perforation, the middle section of spliced pole sets up the boss, the boss supports on the lower terminal surface of middle level circuit board, and lock nut is installed in the cooperation on the installation threaded rod of spliced pole upper end, lock nut compresses tightly on the up end of middle level circuit board, is provided with the installation draw-in groove on the spliced pole, the appearance of installation draw-in.
Preferably, a group of connecting threaded holes are formed in the lower end face of the upper circuit board, the upper end face of the lower circuit board and the upper and lower end faces of the middle circuit board, connecting threaded rods are arranged at the upper and lower ends of the conductive column, the connecting threaded rods are installed in the connecting threaded holes in a matched mode, a second installing clamping groove is formed in the conductive column, and the second installing clamping groove is hexagonal-prism-shaped.
Preferably, a support plate is clamped between the upper layer circuit board and the middle layer circuit board and between the middle layer circuit board and the lower layer circuit board, a support plate is also clamped between the upper layer circuit board and the condensation plate, a plurality of round holes are formed in the support plate, and the cooling pipe penetrates through the round holes.
Preferably, the cooling pipe is made of PPR material.
Compared with the prior art, the beneficial effects of the utility model are that: in the utility model, the cooling mechanism can accelerate the heat dissipation of the upper circuit board, the middle circuit board and the lower circuit board, and the heat dissipation aluminum fins are used for increasing the cooling speed of the condensing plate in the cooling mechanism, so that the elements on the circuit board are always in the normal working temperature, thereby being beneficial to improving the stability of the circuit board and prolonging the service life of the circuit board; the connecting column enables the connection among the upper layer circuit board, the middle layer circuit board and the lower layer circuit board to be firmer. The utility model relates to a simple structure, convenient assembly, the cooling effect is good, stable performance's multilayer circuit board for switching power supply.
Drawings
Fig. 1 is a schematic structural view of a multilayer circuit board for a switching power supply;
FIG. 2 is a schematic view of a portion of the structure at K in FIG. 1;
FIG. 3 is a schematic view of a portion of the structure of FIG. 1 at L;
fig. 4 is a schematic structural diagram of a support plate in a multilayer circuit board for a switching power supply.
In the figure: 1-cooling mechanism, 2-cooling pipe, 3-condensation plate, 4-radiating aluminum fin, 5-support plate, 6-conductive column, 7-connection column, 8-upper layer circuit board, 9-middle layer circuit board, 10-lower layer circuit board, 11-round hole, 12-perforation, 13-boss, 14-locking nut, 15-installation threaded rod, 16-installation clamping groove, 17-installation threaded hole, 18-second installation clamping groove, 19-connection threaded rod and 20-connection threaded hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a multilayer circuit board for switching power supply, includes upper circuit board 8, the below of upper circuit board 8 is provided with middle level circuit board 9, the below of middle level circuit board 9 is provided with lower floor's circuit board 10, upper circuit board 8, middle level circuit board 9 and lower floor's circuit board 10 link to each other through spliced pole 7, are connected with a plurality of electrical pillar 6 of leading between upper circuit board 8 and the middle level circuit board 9, also are connected with a plurality of electrical pillar 6 between middle level circuit board 9 and the lower floor's circuit board 10, set up in upper circuit board 8, middle level circuit board 9 and the lower floor's circuit board 10 and install.
In the working process, the cooling mechanism 1 can accelerate the heat dissipation of the upper layer circuit board 8, the middle layer circuit board 9 and the lower layer circuit board 10, so that elements on the circuit boards are always in normal working temperature, and the stability of the circuit boards is improved and the service life of the circuit boards is prolonged; the connecting column 7 enables the connection among the upper layer circuit board 8, the middle layer circuit board 9 and the lower layer circuit board 10 to be firmer, and the conductive column 6 is used for connecting circuits among the upper layer circuit board 8, the middle layer circuit board 9 and the lower layer circuit board 10.
Preferably, cooling body 1 includes a set of cooling tube 2 that sets up side by side, cooling tube 2 is the ring pipe of end to end intercommunication, and cooling tube 2 is close to the upper and lower terminal surface range of upper circuit board 8, middle level circuit board 9 and lower floor's circuit board 10, and cooling body 1 still includes condensing plate 3, condensing plate 3 sets up the top at upper circuit board 8, and condensing plate 3 contacts with the surface of cooling tube 2, is provided with heat dissipation aluminum fin 4 on condensing plate 3's the up end.
Pure water circulates in the cooling pipe 2, the water in the cooling pipe 2 rises after absorbing heat emitted by the circuit board and evaporating, is cooled by the condensing plate 3 when rising below the condensing plate 3, and flows back to the bottom of the cooling pipe 2 after cooling, and the heat-dissipating aluminum fins 4 are used for increasing the cooling speed of the condensing plate 3.
Preferably, be provided with a set of installation screw hole 17 on the lower terminal surface of upper circuit board 8 and the up end of lower floor's circuit board 10, the upper and lower end of spliced pole 7 is provided with installation threaded rod 15, installation threaded rod 15 cooperation is installed in installation screw hole 17, be provided with a set of perforation 12 in the middle level circuit board 9, spliced pole 7 passes from perforation 12, the middle section of spliced pole 7 sets up boss 13, boss 13 supports on the lower terminal surface of middle level circuit board 9, and lock nut 14 is installed in the cooperation on the installation threaded rod 15 of spliced pole 7 upper end, lock nut 14 compresses tightly on the up end of middle level circuit board 9, is provided with installation card slot 16 on the spliced pole 7, installation card slot 16's appearance is hexagonal prism.
The screwing directions of the mounting threaded rod 15 at the upper end and the lower end are opposite, the mounting threaded rod 15 can be screwed into the mounting threaded hole 17 by screwing the mounting clamping groove 16 with a wrench, and the boss 13 is matched with the locking nut 14 to clamp the middle-layer circuit board 9.
Preferably, a group of connection threaded holes 20 are formed in the lower end surface of the upper circuit board 8, the upper end surface of the lower circuit board 10, and the upper end surface and the lower end surface of the middle circuit board 9, connection threaded rods 19 are arranged at the upper end and the lower end of the conductive column 6, the connection threaded rods 19 are installed in the connection threaded holes 20 in a matching manner, a second installation clamping groove 18 is formed in the conductive column 6, and the second installation clamping groove 18 is hexagonal prism-shaped.
The upper end and the lower end of the connecting threaded rod 19 are opposite in rotating direction, and the connecting threaded rod 19 can be screwed into the connecting threaded hole 20 by screwing the second mounting clamping groove 18 with a wrench. The conductive column 6 is made of pure copper material and has good conductivity.
Preferably, a supporting plate 5 is clamped between the upper layer circuit board 8 and the middle layer circuit board 9 and between the middle layer circuit board 9 and the lower layer circuit board 10, the supporting plate 5 is also clamped between the upper layer circuit board 8 and the condensation plate 3, a plurality of circular holes 11 are formed in the supporting plate 5, and the cooling pipe 2 penetrates through the circular holes 11.
The supporting plate 5 is used for fixing the cooling pipes 2, so that the cooling pipes 2 are orderly arranged.
Preferably, the cooling pipe 2 is made of PPR material.
The cooling pipe 2 made of the PPR material has good heat resistance.
The utility model discloses a theory of operation is: the utility model relates to a multilayer circuit board for switching power supply, in the course of working, cooling body 1 can accelerate the heat dissipation of upper circuit board 8, middle level circuit board 9 and lower floor's circuit board 10, make the component on the circuit board be in the normal operating temperature all the time, help to improve the stability of the circuit board and lengthen the life cycle of the circuit board; the connecting column 7 enables the connection among the upper layer circuit board 8, the middle layer circuit board 9 and the lower layer circuit board 10 to be firmer, and the conductive column 6 is used for connecting circuits among the upper layer circuit board 8, the middle layer circuit board 9 and the lower layer circuit board 10. Pure water circulates in the cooling pipe 2, the water in the cooling pipe 2 rises after absorbing heat emitted by the circuit board and evaporating, is cooled by the condensing plate 3 when rising below the condensing plate 3, and flows back to the bottom of the cooling pipe 2 after cooling, and the heat-dissipating aluminum fins 4 are used for increasing the cooling speed of the condensing plate 3. The screwing directions of the mounting threaded rod 15 at the upper end and the lower end are opposite, the mounting threaded rod 15 can be screwed into the mounting threaded hole 17 by screwing the mounting clamping groove 16 with a wrench, and the boss 13 is matched with the locking nut 14 to clamp the middle-layer circuit board 9. The upper end and the lower end of the connecting threaded rod 19 are opposite in rotating direction, and the connecting threaded rod 19 can be screwed into the connecting threaded hole 20 by screwing the second mounting clamping groove 18 with a wrench. The conductive column 6 is made of pure copper material and has good conductivity. The supporting plate 5 is used for fixing the cooling pipes 2, so that the cooling pipes 2 are orderly arranged. The cooling pipe 2 made of the PPR material has good heat resistance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A multilayer circuit board for a switching power supply, comprising an upper layer circuit board (8), characterized in that: the improved LED lamp is characterized in that a middle-layer circuit board (9) is arranged below the upper-layer circuit board (8), a lower-layer circuit board (10) is arranged below the middle-layer circuit board (9), the upper-layer circuit board (8), the middle-layer circuit board (9) and the lower-layer circuit board (10) are connected through connecting columns (7), a plurality of conductive columns (6) are connected between the upper-layer circuit board (8) and the middle-layer circuit board (9), a plurality of conductive columns (6) are also connected between the middle-layer circuit board (9) and the lower-layer circuit board (10), and a cooling mechanism (1) is arranged and installed in the upper-layer circuit board (8), the middle.
2. The multilayer circuit board for a switching power supply according to claim 1, characterized in that: cooling body (1) is including a set of cooling tube (2) that set up side by side, cooling tube (2) are the ring pipe of end to end intercommunication, and cooling tube (2) are close to the upper and lower terminal surface range of upper circuit board (8), middle level circuit board (9) and lower floor's circuit board (10), and cooling body (1) still includes cold plate (3), cold plate (3) set up the top in upper circuit board (8), and cold plate (3) contact with the surface of cooling tube (2), are provided with heat dissipation aluminum fin (4) on the up end of cold plate (3).
3. The multilayer circuit board for a switching power supply according to claim 1, characterized in that: a group of mounting threaded holes (17) are arranged on the upper end surface of the lower layer circuit board (8) and the upper end surface of the lower layer circuit board (10), the upper end and the lower end of the connecting column (7) are provided with mounting threaded rods (15), the mounting threaded rods (15) are arranged in mounting threaded holes (17) in a matching way, a group of through holes (12) are arranged in the middle layer circuit board (9), the connecting column (7) penetrates through the through holes (12), a boss (13) is arranged at the middle section of the connecting column (7), the boss (13) is propped against the lower end face of the middle-layer circuit board (9), a locking nut (14) is arranged on a mounting threaded rod (15) at the upper end of the connecting column (7) in a matching way, the locking nut (14) is tightly pressed on the upper end face of the middle-layer circuit board (9), an installation clamping groove (16) is formed in the connecting column (7), and the installation clamping groove (16) is hexagonal prism-shaped.
4. The multilayer circuit board for a switching power supply according to claim 1, characterized in that: the lower terminal surface of upper circuit board (8), the up end of lower floor's circuit board (10) on and be provided with a set of connecting screw hole (20) on the upper and lower terminal surface of middle level circuit board (9), it is provided with connecting threaded rod (19) to lead the upper and lower both ends of electrical pillar (6), connecting threaded rod (19) cooperation is installed in connecting screw hole (20), is provided with second installation slot (18) on electrically conductive pillar (6), the appearance of second installation slot (18) is hexagonal prism form.
5. The multilayer circuit board for a switching power supply according to claim 2, characterized in that: the cooling device is characterized in that a supporting plate (5) is clamped between the upper layer circuit board (8) and the middle layer circuit board (9) and between the middle layer circuit board (9) and the lower layer circuit board (10), the supporting plate (5) is also clamped between the upper layer circuit board (8) and the condensation plate (3), a plurality of round holes (11) are formed in the supporting plate (5), and the cooling pipe (2) penetrates through the round holes (11).
6. The multilayer circuit board for a switching power supply according to claim 2, characterized in that: the cooling pipe (2) is made of PPR materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598078.6U CN209914192U (en) | 2019-04-28 | 2019-04-28 | Multilayer circuit board for switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920598078.6U CN209914192U (en) | 2019-04-28 | 2019-04-28 | Multilayer circuit board for switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209914192U true CN209914192U (en) | 2020-01-07 |
Family
ID=69046098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920598078.6U Expired - Fee Related CN209914192U (en) | 2019-04-28 | 2019-04-28 | Multilayer circuit board for switching power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209914192U (en) |
-
2019
- 2019-04-28 CN CN201920598078.6U patent/CN209914192U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 Termination date: 20210428 |