CN220753416U

CN220753416U - IGBT high-efficient radiator

Info

Publication number: CN220753416U
Application number: CN202322308237.3U
Authority: CN
Inventors: 胡风华
Original assignee: Hefei Huituo Power System Automation Co ltd
Current assignee: Hefei Huituo Power System Automation Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-04-09
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses an IGBT high-efficiency radiator, which comprises a shell, wherein one side of the shell is provided with an air inlet, the other side of the shell is provided with an air outlet, a fan is fixedly arranged on the inner wall of the air outlet, a PCB (printed circuit board) is fixedly arranged on the bottom surface of the inner part of the shell, an IGPT module is arranged on the PCB, the top of the IGPT module is fixedly provided with a radiator, the top of the radiator is fixedly provided with a water storage tank, and a water storage sponge is arranged in the water storage tank. According to the utility model, the air channel is formed by the air inlet, the radiator, the fan and the air outlet, hot air in the radiator is sucked by the fan and is discharged through the air outlet, and the air entering from the air inlet at normal temperature is continuously subjected to heat exchange with the radiating fins, so that the radiating effect of the radiator is accelerated; the water storage sponge is filled with water and placed in the water storage tank, the radiator conducts a large amount of heat into the water, the water evaporates to take away the heat, the purpose of rapid cooling is achieved, the whole structure is simple, and the production and manufacturing cost is low.

Description

IGBT high-efficient radiator

Technical Field

The utility model relates to the technical field of IGBT heat dissipation, in particular to an IGBT high-efficiency radiator.

Background

The IGBT is an insulated gate bipolar transistor, is a compound full-control voltage driven power semiconductor device formed by a BJT bipolar transistor and a MOS insulated gate field effect transistor, has the advantages of high input impedance of the MOSFET and low conduction voltage drop of the GTR, and can generate a large amount of heat in use, and needs to be radiated in an auxiliary way through a radiator.

Disclosure of Invention

The utility model aims to provide an IGBT high-efficiency radiator for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-efficient radiator of IGBT, includes the shell, shell one side is equipped with the air intake opposite side and is equipped with the air exit, air exit inner wall fixed mounting has the fan, the inside bottom surface fixed mounting of shell has the PCB board, be equipped with the IGPT module on PCB board (3), IGPT module top fixed mounting has the radiator, radiator top fixed mounting has the aqua storage tank, the inside water storage sponge that has placed of aqua storage tank.

Preferably, the radiator is rectangular and internally provided with a plurality of radiating fins, the distribution direction of the radiating fins is perpendicular to the IGPT module, a plurality of radiating grooves are arranged between the two radiating fins, and the radiating grooves penetrate through two sides of the radiator.

Preferably, the top of the water storage tank is flush with the top of the boss, fixing plates are arranged on two sides of the bottom of the water storage tank, and fixing holes are formed in the fixing plates.

Preferably, the top of the shell is provided with a square notch, the edge of the square notch is provided with a boss, the inner side of the boss is provided with a sealing groove, and a sealing ring is arranged in the sealing groove.

Preferably, a layer of heat conduction silicone grease is smeared between the radiator and the IGPT module.

Preferably, the water storage sponge is uniformly provided with a plurality of through holes.

Preferably, the air inlet is provided with a plurality of air inlet grooves, and the air inlet grooves are rectangular and uniformly and transversely distributed.

Preferably, the exhaust outlet is provided with an exhaust groove, and the exhaust groove is circular and has a size similar to that of the fan.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the air channel is formed by the air inlet, the radiator, the fan and the air outlet, hot air in the radiator is sucked by the fan and is discharged through the air outlet, and the air entering from the air inlet at normal temperature is continuously subjected to heat exchange with the radiating fins, so that the radiating effect of the radiator is accelerated.

2. The water storage sponge is filled with water and placed in the water storage tank, the radiator conducts a large amount of heat into the water, the water evaporates to take away the heat, the purpose of rapid cooling is achieved, the whole structure is simple, and the production and manufacturing cost is low.

Drawings

FIG. 1 is a schematic view of the internal structure of the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

FIG. 3 is a schematic view of the housing structure of the present utility model;

FIG. 4 is a schematic view of a water storage tank according to the present utility model;

fig. 5 is a schematic view of the structure of the absorbent sponge of the present utility model.

In the figure: 1. a housing; 11. an air inlet; 111. an air inlet groove; 12. an air outlet; 121. an exhaust groove; 13. a square notch; 14. a boss; 15. sealing grooves; 2. a fan; 3. a PCB board; 4. a heat sink; 41. a heat radiation fin; 42. a heat sink; 5. an IGTP module; 6. heat conductive silicone grease; 7. a water storage sponge; 71. a through hole; 8. a water storage tank; 81. a fixing plate; 9. and (3) a sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a high-efficient radiator of IGBT, including shell 1, shell 1 one side is equipped with the air intake 11 opposite side and is equipped with air exit 12, air intake 11 is equipped with a plurality of air inlet grooves 111, air inlet groove 111 is rectangle and even transverse distribution, air exit 12 is equipped with air exhaust groove 121, air exhaust groove 121 is circular and the size is close with the fan, air exit 12 inner wall fixed mounting has fan 2, shell 1 inside bottom surface fixed mounting has PCB board 3, be equipped with IGPT module 5 on the PCB board 3, IGPT module 5 top fixed mounting has radiator 4, it has one deck heat conduction silicone grease 6 to scribble between radiator 4 and the IGPT module 5, heat conduction silicone grease 6 can fill the tiny pothole part of faying of IGPT and radiator 4, have higher heat conduction effect, radiator 4 is the aluminium alloy, it is cuboid and inside is equipped with a plurality of radiator fin 41 through the extrusion die processing, radiator fin 41 distribution direction perpendicular to IGPT module 5, be equipped with a plurality of radiator 42 between two radiator fin 41, radiator 42 runs through radiator 4 both sides, consequently, air intake 11, radiator 42 and mouth 12 just form the air intake and radiator 4 and the air duct 12 has been followed the air-out of radiator fan 2 and has been carried out the air-out heat exchange process from the radiator 4, this radiator 4 has been followed the air intake and has been continued the air-out the air-cooling process.

The radiator 4 top fixed mounting has aqua storage tank 8, aqua storage tank 8 bottom both sides are equipped with fixed plate 81, be equipped with fixed orifices 82 on the fixed plate 81, the screw passes through fixed orifices 82 to be fixed aqua storage tank 8 on radiator 4, the shell 1 top is equipped with square notch 13, square notch 13 edge is equipped with boss 14, the boss 14 inboard is equipped with seal groove 15, install sealing ring 9 in the seal groove 15, sealing ring 9 has waterproof effect, can prevent that water from penetrating into shell 1 inside through the clearance between aqua storage tank 8 and the boss 14, aqua storage tank 8 top flushes with boss 14 top, aqua storage tank 8 inside has placed water storage sponge 7, evenly distributed has a plurality of through-hole 71 on the water storage sponge 7, water storage sponge 7 has can store a large amount of moisture effect, if the overlength of time leads to radiator 4 when lasting high temperature, place in aqua storage tank 8 after taking out water storage sponge 7, radiator 4 will be a large amount of heat conduction to the water, the water evaporation takes away heat, realize quick cooling purpose.

The working principle and the using flow of the utility model are as follows: when the radiator is used, a layer of heat conduction silicone grease 6 is smeared between the radiator 4 and the IGPT module 5, the heat generated by the IGPT is transferred to the radiator 4 through the heat conduction silicone grease 6, a plurality of heat dissipation fins 41 are arranged in the radiator 4, the heat dissipation fins 41 and air are subjected to heat exchange to dissipate the heat into the heat dissipation groove 42, an air inlet 11 is formed in one side of the shell, an air outlet 12 is formed in the other side of the shell, therefore, the air inlet 11, the heat dissipation groove 42 and the air outlet 12 form an air channel, the fan 2 is fixedly arranged at the air outlet 12, hot air in the heat dissipation groove 42 is sucked by the fan 2 and is discharged through the air outlet 12, normal-temperature air enters from the air inlet 11 to continue to conduct heat exchange with the heat dissipation fins 41, the process is that an air cooling system accelerates the heat dissipation effect of the radiator 4, a water storage groove 8 is fixedly arranged at the top of the radiator 4, the water storage sponge 7 is placed in the water storage groove 8 after the water storage sponge 7 is taken out for being fully, and a large amount of heat is conducted into water if the radiator 4 is continuously heated when the working time of the IGPT module 5 is long, and the purpose of quickly cooling is achieved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient radiator of IGBT, includes shell (1), its characterized in that: the utility model discloses a water storage device, including shell (1), air intake (11), air exit (12) inner wall fixed mounting has fan (2), the inside bottom surface fixed mounting of shell (1) has PCB board (3), be equipped with IGPT module (5) on PCB board (3), IGPT module (5) top fixed mounting has radiator (4), radiator (4) top fixed mounting has aqua storage tank (8), aqua storage tank (8) inside has been placed water storage sponge (7).

2. The IGBT high efficiency heat sink of claim 1 wherein: the radiator (4) is rectangular, a plurality of radiating fins (41) are arranged in the radiator, the distribution direction of the radiating fins (41) is perpendicular to the IGPT module (5), a plurality of radiating grooves (42) are formed between the two radiating fins (41), and the radiating grooves (42) penetrate through two sides of the radiator (4).

3. The IGBT high efficiency heat sink of claim 1 wherein: the novel sealing device is characterized in that a square notch (13) is formed in the top of the shell (1), a boss (14) is arranged at the edge of the square notch (13), a sealing groove (15) is formed in the inner side of the boss (14), and a sealing ring (9) is arranged in the sealing groove (15).

4. An IGBT high efficiency radiator as claimed in claim 3, wherein: the top of the water storage tank (8) is flush with the top of the boss (14), fixing plates (81) are arranged on two sides of the bottom of the water storage tank (8), and fixing holes (82) are formed in the fixing plates (81).

5. The IGBT high efficiency heat sink of claim 1 wherein: a layer of heat conduction silicone grease (6) is smeared between the radiator (4) and the IGPT module (5).

6. The IGBT high efficiency heat sink of claim 2 wherein: a plurality of through holes (71) are uniformly distributed on the water storage sponge (7).

7. The IGBT high efficiency heat sink of claim 1 wherein: the air inlet (11) is provided with a plurality of air inlet grooves (111), and the air inlet grooves (111) are rectangular and uniformly and transversely distributed.

8. The IGBT high efficiency heat sink of claim 1 wherein: the exhaust outlet (12) is provided with an exhaust groove (121), and the exhaust groove (121) is round and has a size similar to that of the fan.