CN213718493U

CN213718493U - Heat radiator for high-power electronic power device

Info

Publication number: CN213718493U
Application number: CN202021548258.2U
Authority: CN
Inventors: 梅洹
Original assignee: Chengdu Jinhuanke Technology Co ltd
Current assignee: Chengdu Jinhuanke Technology Co ltd
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-07-16
Anticipated expiration: 2030-07-30

Abstract

The utility model provides a heat abstractor of high-power electronic power device. The heat sink of the electronic power device of high-power, comprising: a first case; the two supporting bars are fixedly arranged on the inner wall of the bottom of the first box body; the second box body is fixedly arranged at the tops of the two supporting bars; the motor is fixedly arranged at the bottom of the first box body; the first rotating rod is fixedly arranged on an output shaft of the motor, and the top end of the first rotating rod extends into the first box body; the first conical gear is fixedly sleeved on the first rotating rod; the exhaust fan, exhaust fan fixed mounting is on first rotation pole. The utility model provides a heat abstractor of high-power electronic power device has convenient to use, can actuate external air current and circulate radiating advantage.

Description

Heat radiator for high-power electronic power device

Technical Field

The utility model relates to an electric power device technical field especially relates to a heat abstractor of high-power electron electric power device.

Background

The power electronic device is also called a power semiconductor device, and is mainly used for high-power electronic devices in the aspects of electric energy conversion and control circuits of power equipment, and the electronic power devices often generate a large amount of heat during operation.

However, in the prior art, the conventional electronic power device does not have a special heat dissipation device, so that heat dissipation is slow, and excessive heat may affect normal operation of the electronic power device, or even may seriously damage the electronic power device.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a convenient to use, can actuate external air current and carry out the heat abstractor of circulating heat dissipation's high-power electronic power device.

In order to solve the technical problem, the utility model provides a heat abstractor of high-power electronic power device, include: a first case; the two supporting bars are fixedly arranged on the inner wall of the bottom of the first box body; the second box body is fixedly arranged at the tops of the two supporting bars; the motor is fixedly arranged at the bottom of the first box body; the first rotating rod is fixedly arranged on an output shaft of the motor, and the top end of the first rotating rod extends into the first box body; the first conical gear is fixedly sleeved on the first rotating rod; the exhaust fan is fixedly arranged on the first rotating rod; the two driving rods are respectively and rotatably arranged on the corresponding supporting bars; the two second bevel gears are respectively and fixedly arranged at one ends of the two driving rods, and the first bevel gear is meshed with the two second bevel gears; the two first belt pulleys are fixedly arranged at one ends of the two driving rods respectively; the two second rotating rods are rotatably arranged in the first box body, and one end of each second rotating rod extends out of the first box body; the two second belt pulleys are respectively fixedly sleeved on the corresponding second rotating rods; the two drawstrings are sleeved on the corresponding first belt pulley and the second belt pulley respectively; the two induced fans are respectively and fixedly arranged on the corresponding second rotating rods; and the two brushes are respectively and fixedly arranged at one end of the corresponding second rotating rod.

Preferably, the bottom of the second box body is provided with a first rotating groove, and the first rotating rod is connected with the first rotating groove.

Preferably, the two sides of the second box body are provided with second rotating grooves, and one ends of the two second rotating rods are respectively and rotatably connected with the corresponding second rotating grooves.

Preferably, the bottom and the two sides of the first box body are fixedly provided with first air leakage nets, the bottom and the two sides of the second box body are fixedly provided with second air leakage nets, and the two brushes are respectively contacted with the corresponding second air leakage nets.

Preferably, the bottom of the second box body is fixedly provided with two supporting blocks, and the two driving rods are respectively and rotatably connected with the corresponding supporting blocks.

Preferably, rotate on first box and the second box and install two internal thread pipes, internal thread intraductal threaded mounting has the screw rod, the one end of screw rod extends to interior second box in and fixed mounting have the stripper plate, fixed mounting has a plurality of hollow tubes on first box and the second box, slidable mounting has the locating lever in the hollow tube, the one end of locating lever extend to in the second box and with stripper plate fixed connection.

Preferably, the top and the bottom of locating lever have all been seted up the spacing groove, slidable mounting has the stopper in the spacing groove, the stopper is connected with the inner wall fixed connection of hollow tube.

Compared with the prior art, the utility model provides a heat abstractor of high-power electronic power device has following beneficial effect:

the utility model provides a heat abstractor of high-power electronic power device cooperatees through motor, first dwang, first conical gear, exhaust fan, actuating lever, second conical gear, first belt pulley, second dwang, second belt pulley, stretching strap and induced air fan, can form an annular air current at second box and external, and the heat extraction that looses is carried out electronic power device on a continuous basis.

Drawings

Fig. 1 is a schematic front sectional view of a first embodiment of a heat dissipation device for a high-power electronic power device according to the present invention.

Reference numbers in the figures: 1. a first case; 2. a supporting strip; 3. a second case; 4. a motor; 5. a first rotating lever; 6. a first bevel gear; 7. an exhaust fan; 8. a drive rod; 9. a second bevel gear; 10. a first pulley; 11. a second rotating lever; 12. a second pulley; 13. pulling the belt; 14. a fan guide; 15. and a brush.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

The first embodiment:

referring to fig. 1, in a first embodiment of the present invention, a heat dissipation device for a high power electronic power device includes: a first case 1; the two supporting bars 2 are fixedly arranged on the inner wall of the bottom of the first box body 1; the second box body 3 is fixedly arranged at the tops of the two supporting bars 2; the motor 4 is fixedly arranged at the bottom of the first box body 1; the first rotating rod 5 is fixedly arranged on an output shaft of the motor 4, and the top end of the first rotating rod 5 extends into the first box body 1; the first bevel gear 6 is fixedly sleeved on the first rotating rod 5; the exhaust fan 7 is fixedly arranged on the first rotating rod 5; the two driving rods 8 are respectively and rotatably arranged on the corresponding supporting bars 2; two second bevel gears 9, wherein the two second bevel gears 9 are respectively fixedly arranged at one end of two driving rods 8, and the first bevel gear 6 is meshed with the two second bevel gears 9; the two first belt pulleys 10 are respectively and fixedly arranged at one end of the two driving rods 8; the two second rotating rods 11 are rotatably installed in the first box body 1, and one end of each second rotating rod 11 extends out of the first box body 1; the two second belt pulleys 12 are respectively fixedly sleeved on the corresponding second rotating rods 11; the two drawstrings 13 are respectively sleeved on the corresponding first belt pulley 10 and the second belt pulley 12; the two induced fans 14 are respectively and fixedly arranged on the corresponding second rotating rods 11; two brushes 15, two brushes 15 are respectively and fixedly arranged at one end of the corresponding second rotating rod 11.

The bottom of the second box body 3 is provided with a first rotating groove, and the first rotating rod 5 is connected with the first rotating groove.

And two second rotating grooves are formed in two sides of the second box body 3, and one ends of the two second rotating rods 11 are respectively and rotatably connected with the corresponding second rotating grooves.

The bottom and both sides of first box 1 all fixed mounting have first net that leaks, the bottom and both sides of second box 3 all fixed mounting have the second net that leaks, and two brushes 15 contact with the second net that leaks that corresponds respectively.

Two supporting blocks are fixedly installed at the bottom of the second box body 3, and the two driving rods 8 are respectively and rotatably connected with the corresponding supporting blocks.

The utility model provides a heat abstractor of high-power electronics power device's theory of operation as follows:

when the device is used, an electronic power device is placed in the second box body 3, then the motor 4 is started, the motor 4 drives the first rotating rod 5 to rotate through the output shaft, the first rotating rod 5 drives the first bevel gear 6 and the exhaust fan 7 to rotate, the first bevel gear 6 drives the two second bevel gears 9 to rotate, the two second bevel gears 9 respectively drive the corresponding driving rods 8 to rotate, the driving rods 8 drive the first belt pulley 10 to rotate, the first belt pulley 10 drives the second belt pulley 12 to rotate through the drawstring 13, the second belt pulley 12 drives the induced fan 14 and the hairbrush 15 to rotate through the second rotating rod 11, the induced fan 14 drives the external air flow to the second box body 3 through rotation to dissipate heat of the electronic power device, the hairbrush 15 can sweep away dust attached to the second air leakage net while rotating, meanwhile, the exhaust fan 7 can discharge heat flow in the second box body 3 through rotation, thereby completing the heat dissipation work of the electronic power device.

through the cooperation of the motor 4, the first rotating rod 5, the first bevel gear 6, the exhaust fan 7, the driving rod 8, the second bevel gear 9, the first belt pulley 10, the second rotating rod 11, the second belt pulley 12, the pull belt 13 and the induced fan 14, an annular airflow can be formed between the second box body 3 and the outside, and heat dissipation and heat extraction can be continuously performed on the electronic power device.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A heat sink for high power electronic power devices, comprising:

a first case;

the two supporting bars are fixedly arranged on the inner wall of the bottom of the first box body;

the second box body is fixedly arranged at the tops of the two supporting bars;

the motor is fixedly arranged at the bottom of the first box body;

the first rotating rod is fixedly arranged on an output shaft of the motor, and the top end of the first rotating rod extends into the first box body;

the first conical gear is fixedly sleeved on the first rotating rod;

the exhaust fan is fixedly arranged on the first rotating rod;

the two driving rods are respectively and rotatably arranged on the corresponding supporting bars;

the two second bevel gears are respectively and fixedly arranged at one ends of the two driving rods, and the first bevel gear is meshed with the two second bevel gears;

the two first belt pulleys are fixedly arranged at one ends of the two driving rods respectively;

the two second rotating rods are rotatably arranged in the first box body, and one end of each second rotating rod extends out of the first box body;

the two second belt pulleys are respectively fixedly sleeved on the corresponding second rotating rods;

the two drawstrings are sleeved on the corresponding first belt pulley and the second belt pulley respectively;

the two induced fans are respectively and fixedly arranged on the corresponding second rotating rods;

and the two brushes are respectively and fixedly arranged at one end of the corresponding second rotating rod.

2. The heat dissipating device for high power electronic power devices as claimed in claim 1, wherein the bottom of the second housing defines a first rotating slot, and the first rotating rod is connected to the first rotating slot.

3. The heat dissipating device for high-power electronic power devices as claimed in claim 1, wherein the second box has second rotating slots formed on both sides thereof, and one end of each of the two second rotating rods is rotatably connected to the corresponding second rotating slot.

4. The heat dissipating device for high power electronic power devices as recited in claim 1, wherein the first box has a first air leakage net fixed to the bottom and both sides of the first box, the second box has a second air leakage net fixed to the bottom and both sides of the second box, and the two brushes are in contact with the corresponding second air leakage nets respectively.

5. The heat dissipating device for high power electronic power devices as claimed in claim 1, wherein two supporting blocks are fixedly installed at the bottom of the second housing, and the two driving rods are respectively rotatably connected to the corresponding supporting blocks.