CN209861428U - Heat dissipation device for high-frequency switching power supply - Google Patents
Heat dissipation device for high-frequency switching power supply Download PDFInfo
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- CN209861428U CN209861428U CN201920160700.5U CN201920160700U CN209861428U CN 209861428 U CN209861428 U CN 209861428U CN 201920160700 U CN201920160700 U CN 201920160700U CN 209861428 U CN209861428 U CN 209861428U
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- mounting box
- power supply
- switching power
- frequency switching
- heat dissipating
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Abstract
The utility model discloses a heat abstractor for high frequency switching power supply relates to the radiating technical field of switching power supply, including the mounting box of rectangle box body structure and the circuit board of installing in the mounting box, the cooling tube is installed along mounting box circumference to the mounting box is inside, the cooling tube becomes many circles and spirals around the circuit board, the mounting box is stretched out respectively at the upper and lower both ends of cooling tube. The utility model has the advantages of good heat dissipation effect.
Description
Technical Field
The utility model belongs to the technical field of switching power supply radiating technique and specifically relates to a heat abstractor for high frequency switching power supply is related to.
Background
The high-frequency switching power supply is also called as a switching mode rectifier SMR, high-efficiency and energy-saving through high-frequency work of a MOSFET or an IGBT, the working efficiency reaches more than 90%, high efficiency and miniaturization are achieved, the high-frequency switching power supply can generate a lot of heat in the operation process, and if the heat cannot be dissipated timely, the working efficiency of the high-frequency switching power supply can be affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat abstractor for high frequency switching power supply has the advantage that the radiating effect is good.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a heat abstractor for high frequency switching power supply, includes the mounting box of rectangle box body structure and installs the circuit board in the mounting box, the cooling tube is installed along mounting box circumference to the mounting box is inside, the cooling tube becomes many circles and spirals around the circuit board, the mounting box is stretched out respectively at the upper and lower both ends of cooling tube.
By adopting the technical scheme, the method has the advantages that,
the utility model discloses further set up to: the cooling pipe is filled with cold water and flows into the upper end and flows out of the lower end.
Through adopting above-mentioned technical scheme, lead to water and come to carry out the heat exchange cooling to inside, the specific heat capacity of water is big, and the heat of taking away is many, does not pollute simultaneously, advances the lower extreme by the upper end and flows out, and the time of exchange increases.
The utility model discloses further set up to: and a fan arranged along the height direction of the mounting box is fixedly arranged between the cooling pipe and the mounting box and close to the water outlet of the cooling pipe.
Through adopting above-mentioned technical scheme, the fan can blow hot gas to the cooling tube on, can carry out more removals with hot gas and cooling tube and transfer the heat, and the fan also can dispel the heat simultaneously.
The utility model discloses further set up to: a plurality of rectangular holes are formed in the inner wall of the mounting box, opposite to the fan, along the length direction of the mounting box.
Through adopting above-mentioned technical scheme, come to derive the steam that the fan blew out through the rectangular hole, avoid causing the inside steam overstock of mounting box.
The utility model discloses further set up to: and a filter screen is embedded in the rectangular hole.
Through adopting above-mentioned technical scheme, the heat can attract some little bugs, installs the filter screen and can avoid the bugs to enter into in the mounting box, avoids causing the damage to inside circuit board.
The utility model discloses further set up to: the top in rectangular hole is provided with the baffle of fixing on the mounting box surface along the length direction in rectangular hole, the baffle cross-section just shelters from the rectangular hole for the arc.
Through adopting above-mentioned technical scheme, the baffle will be followed the dust that blows off in the filter screen and sheltered from, avoids the dust in disorder to fly.
The utility model discloses further set up to: a rectangular groove is formed in the bottom plate of the mounting box between the cooling pipes along the length direction of the mounting box, and the circuit board is mounted in the rectangular groove.
Through adopting above-mentioned technical scheme, it has the rectangular channel to place the circuit board to open, and the location circuit board is installed to the convenience.
The utility model discloses further set up to: the mounting box is close to both sides of up end and has opened along mounting box length direction has the inserting groove, the inserting groove communicates with the one end of mounting box, the grafting has the top cap in the pegging graft.
Through adopting above-mentioned technical scheme, the mode that the top cap adopted the grafting compares tradition and passes through bolt fixed mounting, conveniently dismantles, can regularly clear up the fan.
The utility model discloses further set up to: the top cover is inserted into the inserting groove along the length direction of the mounting box, a convex block is integrally formed on the lower surface of one end of the top cover downwards along the height direction of the top cover, and a bolt is screwed in the middle of the convex block and fixedly connected with the mounting box.
Through adopting above-mentioned technical scheme, top cap integrated into one piece has the lug, can be complete live the mounting box is sealed, prevents that debris such as dust, worm from falling into in the mounting box, fixes through making things convenient for top cap and mounting box.
The utility model discloses further set up to: and a round hole is formed in the other end face, far away from the convex block, of the mounting box.
Through adopting above-mentioned technical scheme, derive the wire from the round hole and comb, place the wire and take place the winding.
To sum up, the utility model discloses a beneficial technological effect does:
1. the cooling pipe and the fan which are arranged in a winding mode have the advantages that the heat of the circuit board and the heat of the circuit board in the mounting box can be fully exchanged, and the heat dissipation effect is good;
2. the top cap adopts the mode of pegging graft to install on the mounting box, makes things convenient for the top cap to dismantle, is convenient for to the dismantlement clearance of fan.
Drawings
Fig. 1 is an exploded view of a heat dissipation device for a high-frequency switching power supply according to the present invention.
Fig. 2 is a schematic structural diagram of a part of a heat dissipation device for a high-frequency switching power supply according to the present invention.
Fig. 3 is a schematic view of the installation of a part of the structure of a heat dissipation device for a high-frequency switching power supply according to the present invention.
Fig. 4 is a partially enlarged view of a portion a in fig. 3.
Fig. 5 is an installation diagram of the overall structure of the heat dissipation device for a high frequency switching power supply according to the present invention.
In the figure, 1, a box is installed; 11. a rectangular hole; 12. filtering with a screen; 13. a baffle plate; 14. a rectangular groove; 15. inserting grooves; 16. a top cover; 161. a bump; 17. a circular hole; 2. a cooling tube; 3. a fan; 4. a circuit board.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and fig. 2, for the utility model discloses a heat abstractor for high frequency switching power supply, including the mounting box 1 of rectangle box body structure, it has the rectangular channel 14 that is same center with mounting box 1 to open along the length direction of mounting box 1 on the bottom plate of mounting box 1, places the chucking in rectangular channel 14 and has circuit board 4.
Referring to fig. 2 and 3, a cooling pipe 2 is installed in the installation box 1 along the circumferential direction of the rectangular groove 14, the section of the cooling pipe 2 is circular, the cooling pipe 2 is coiled around the rectangular groove 14 in multiple circles, the upper end and the lower end of the cooling pipe 2 extend out of the installation box 1 respectively, cold water is introduced from the upper end of the cooling pipe 2 and then flows out from the lower end of the cooling pipe 2, and the two ends of the cooling pipe 2 are respectively arranged at the two ends of the installation box 1.
As shown in fig. 4, a fan 3 is fixedly mounted between the cooling tube 2 and the mounting box 1 through screws at a position close to a water outlet at the lower end of the cooling tube 2 along the height direction of the mounting box 1, four rectangular holes 11 which are equal in length and aligned at two ends are formed in the inner wall of the mounting box 1 opposite to the fan 3 along the length direction of the mounting box 1, a filter screen 12 is mounted in each rectangular hole 11 in an embedded manner, a baffle 13 which is welded and fixed with the mounting box 1 is arranged above each rectangular hole 11 along the length direction of the rectangular hole 11, the cross section of each baffle 13 is arc-shaped, and the length of each baffle 13 is the same as that of the rectangular hole.
The mounting box comprises a mounting box 1, a plugging groove 15 is formed in the upper end face of the mounting box 1 along the length direction of the mounting box 1, the cross section of the plugging groove 15 is rectangular, the plugging groove 15 is communicated with one end of the mounting box 1, a top cover 16 is plugged in the mounting box 1 through the plugging groove 15, a plugging block matched with the plugging groove 15 is arranged at the position, corresponding to the plugging groove 15, of the lower surface of the top cover 16, a convex block 161 is formed downwards and integrally at the end part of the top cover 16 along the middle position perpendicular to the top cover 16, the convex block 161 is rectangular, and the top cover 16 is fixedly connected with the mounting box 1 through inserting a bolt at the center. A round hole 17 is opened on the other end face of the mounting box 1 far away from the bump 161 for combing the conducting wire of the circuit board 4.
The implementation principle of the embodiment is as follows: when using, with cooling tube 2 intercommunication, flow into cold water through the upper end and the lower extreme flows out and exchanges with the heat in mounting box 1, install fan 3 in mounting box 1 simultaneously, cool down mounting box 1 through the rotation of fan 3. The top cover 16 adopts a plug-in mode, is convenient to detach, and periodically blows and cleans dust for the internal fan 3.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a heat abstractor for high frequency switching power supply, includes mounting box (1) of rectangle box body structure and circuit board (4) of installing in mounting box (1), its characterized in that: the cooling tube (2) is installed along installation box (1) circumference in installation box (1), cooling tube (2) become many circles and circle around circuit board (4), the upper and lower both ends of cooling tube (2) stretch out installation box (1) respectively.
2. The heat dissipating apparatus for a high-frequency switching power supply according to claim 1, wherein: the cooling pipe (2) is filled with cold water and flows into the upper end and flows out of the lower end.
3. The heat dissipating device for a high-frequency switching power supply according to claim 2, wherein: a fan (3) arranged along the height direction of the mounting box (1) is fixedly mounted between the cooling pipe (2) and the mounting box (1) and close to a water outlet of the cooling pipe (2).
4. The heat dissipating apparatus for a high-frequency switching power supply according to claim 3, wherein: a plurality of rectangular holes (11) are formed in the inner wall, opposite to the fan (3), of the mounting box (1) along the length direction of the mounting box (1).
5. The heat dissipating apparatus for a high-frequency switching power supply according to claim 4, wherein: a filter screen (12) is embedded in the rectangular hole (11).
6. The heat dissipating apparatus for a high-frequency switching power supply according to claim 5, wherein: the top of rectangular hole (11) is provided with baffle (13) of fixing on mounting box (1) surface along the length direction of rectangular hole (11), baffle (13) cross-section just shelters from rectangular hole (11) for the arc.
7. The heat dissipating apparatus for a high-frequency switching power supply according to claim 1, wherein: a rectangular groove (14) is formed in the bottom plate of the mounting box (1) between the cooling pipes (2) along the length direction of the mounting box (1), and the circuit board (4) is mounted in the rectangular groove (14).
8. The heat dissipating apparatus for a high-frequency switching power supply according to claim 1, wherein: the mounting box (1) is close to both sides of the upper end face and is opened with inserting grooves (15) along the length direction of the mounting box (1), the inserting grooves (15) are communicated with one end of the mounting box (1), and a top cover (16) is inserted in the inserting grooves (15).
9. The heat dissipating apparatus for a high-frequency switching power supply according to claim 8, wherein: the top cover (16) is inserted into the inserting groove (15) along the length direction of the mounting box (1), a convex block (161) is integrally formed on the lower surface of one end of the top cover (16) downwards along the height direction of the top cover (16), and a bolt is screwed in the middle of the convex block (161) to be fixedly connected with the mounting box (1).
10. The heat dissipating apparatus for a high-frequency switching power supply according to claim 9, wherein: and a round hole (17) is formed in the other end face, far away from the bump (161), of the mounting box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160700.5U CN209861428U (en) | 2019-01-30 | 2019-01-30 | Heat dissipation device for high-frequency switching power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920160700.5U CN209861428U (en) | 2019-01-30 | 2019-01-30 | Heat dissipation device for high-frequency switching power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209861428U true CN209861428U (en) | 2019-12-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920160700.5U Active CN209861428U (en) | 2019-01-30 | 2019-01-30 | Heat dissipation device for high-frequency switching power supply |
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| CN (1) | CN209861428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825360A (en) * | 2021-08-30 | 2021-12-21 | 中航光电科技股份有限公司 | Self-circulation liquid-through type liquid cooling case |
-
2019
- 2019-01-30 CN CN201920160700.5U patent/CN209861428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113825360A (en) * | 2021-08-30 | 2021-12-21 | 中航光电科技股份有限公司 | Self-circulation liquid-through type liquid cooling case |
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