CN216413062U

CN216413062U - Heat discharging device for IGBT

Info

Publication number: CN216413062U
Application number: CN202122728020.9U
Authority: CN
Inventors: 刘涛; 袁先亮
Original assignee: Hv Hipot Electric Co ltd
Current assignee: Hv Hipot Electric Co ltd
Priority date: 2021-11-09
Filing date: 2021-11-09
Publication date: 2022-04-29
Anticipated expiration: 2031-11-09

Abstract

The utility model discloses a heat discharging device for an IGBT, relates to the technical field of IGBT insulated gate bipolar transistors, and aims to solve the problems that the existing IGBT is large in energy consumption, and is not environment-friendly and energy-saving enough when in operation. The utility model discloses an IGBT (insulated gate bipolar transistor) operation device, including IGBT operation device main part, central baffle, first cavity, second cavity, first cavity and second cavity, the inside of IGBT operation device main part is provided with central baffle, one side of central baffle is provided with first interior cavity, the opposite side of central baffle is provided with the cavity in the second, the inside of central baffle is provided with the output hole groove, and the output hole groove forms with central baffle integral type, the inside of first interior cavity is provided with the second insulation base plate, the up end of second insulation base plate is provided with the IGBT crystalline tube, and the IGBT crystalline tube is provided with threely, and the IGBT crystalline tube all with second insulation base plate threaded connection, the inside both sides of first interior cavity all are provided with first guide plate, and first guide plate is provided with two, the top of second insulation base plate is provided with the second guide plate.

Description

Heat discharging device for IGBT

Technical Field

The utility model relates to the technical field of IGBT insulated gate bipolar transistors, in particular to a heat discharging device for an IGBT.

Background

At present, with the rapid development of power electronic technology, the heat flow density of an IGBT device is increasing, for example, a cooling device for IGBT model heat dissipation with application number 201821274113.0, a heat dissipation plate, a top surface of which is provided with an installation part connected with an IGBT model, a bottom surface of the heat dissipation plate is hollowed to be provided with a liquid storage tank, a cover plate for sealing the liquid storage tank is arranged on the bottom surface of the heat dissipation plate, two sides of the cover plate are respectively provided with a water inlet joint and a water outlet joint which can be communicated with the liquid storage tank in a protruding manner, the port parts of the water inlet joint and the water outlet joint are provided with connecting threads, and a sealing gasket is arranged between the cover plate and the heat dissipation plate; according to the cooling device for the heat dissipation of the IGBT model, the heat dissipation plate absorbs the heat generated by the IGBT model, and the water cavity is arranged in the heat dissipation plate for water cooling, so that the heat dissipation effect is good; the heat dissipation plate and the cover plate are convenient to connect, the sealing performance is good,

however, when the IGBT operates in the above device, the energy consumption of each item is large, and the problem of environmental protection and energy saving is not enough; therefore, the existing requirements are not met, for which we propose a heat drain for IGBTs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat discharging device for an IGBT (insulated gate bipolar translator), which aims to solve the problems that the existing IGBT in the background art has high energy consumption and is not environment-friendly and energy-saving enough when in operation.

In order to achieve the purpose, the utility model provides the following technical scheme: a heat discharging device for an IGBT comprises an IGBT operating device main body, wherein a central baffle is arranged inside the IGBT operating device main body, a first inner cavity is arranged on one side of the central baffle, a second inner cavity is arranged on the other side of the central baffle, an output hole groove is formed inside the central baffle, the output hole groove and the central baffle are integrally formed, a second insulating substrate is arranged inside the first inner cavity, an IGBT crystal tube is arranged on the upper end face of the second insulating substrate, three IGBT crystal tubes are arranged, the three IGBT crystal tubes are in threaded connection with the second insulating substrate, first guide plates are arranged on two sides inside the first inner cavity, two first guide plates are arranged, a second guide plate is arranged above the second insulating substrate, three second guide plates are arranged, and a condenser tube is arranged on each of the three second guide plates, and the condenser pipe is provided with six, six the condenser pipe all with second guide plate fixed connection, the inside of cavity is provided with radiator fan in the second, and radiator fan is provided with two, two radiator fan's one end all is provided with the motor, and motor and radiator fan's one end electric connection.

Preferably, the upper end surface of the IGBT operating device body is provided with a first insulating substrate, the first insulating substrate is in threaded connection with the IGBT operating device body through first hexagon bolts, and the number of the first hexagon bolts is four.

Preferably, the upper end surface of the first insulating substrate is provided with three resin outer cover plates, the upper end surfaces of the three resin outer cover plates are provided with output ports, and the output ports and the resin outer cover plates are integrally formed.

Preferably, the two sides of the upper end face of the IGBT operating device main body are provided with four auxiliary terminal heads, and the four auxiliary terminal heads are fixedly connected with the IGBT operating device main body.

Preferably, the front end face of the IGBT operation device main body is provided with a reserved hole groove, and the reserved hole groove and the IGBT operation device main body are integrally formed.

Preferably, one side of IGBT running device main part is provided with the closing cap board, the four sides of closing cap board all are provided with the stationary blade, and the stationary blade is provided with four, four the stationary blade all forms with the four sides integral type of closing cap board, four the stationary blade all is through second hex bolts and IGBT running device main part threaded connection, and second hex bolts is provided with four, the inside both sides of closing cap board all are provided with filter screen mechanism, and filter screen mechanism is provided with two.

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

1. according to the utility model, through the arrangement of the first guide plate, the second guide plate, the condenser pipe, the cooling fan and the motor, external gas is conveyed into the device through the reserved hole groove, then the gas is conveyed by the first guide plate and the second guide plate, the condenser pipe arranged in the conveying process is opened to perform a cooling effect on the gas, so that the absorption of heat dissipated during the operation of the IGBT crystal tube can be increased, finally the gas flows to the second inner cavity through the arranged output hole groove, and the motor in the second inner cavity drives the cooling fan to rotate, so that the internal gas is output, the heat emission efficiency of the IGBT crystal tube is efficiently maintained, and the problems of large energy consumption, environmental protection and energy saving during the operation of the existing IGBT are avoided.

2. Through the central baffle that sets up between the first interior cavity that sets up and the second interior cavity, can effectually avoid inside gas to scurry indiscriminately, influence emission efficiency, and the first insulation base plate and the second insulation base plate that set up, the security performance when the improvement staff of maximize uses reduces personnel injured's probability.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the side view of the internal structure of the IGBT operating device main body of the utility model;

FIG. 3 is a schematic view of the front internal structure of the IGBT operating device main body according to the present invention;

FIG. 4 is a partial structural view of a heat dissipation fan according to the present invention;

in the figure: 1. an IGBT operating device main body; 2. a first insulating substrate; 3. a first hexagon bolt; 4. a resin outer cover plate; 5. an output port; 6. an auxiliary terminal head; 7. reserving a hole groove; 8. sealing the cover plate; 9. a fixing sheet; 10. a second hexagon bolt; 11. a filter screen mechanism; 12. a first inner cavity; 13. a first baffle; 14. a second baffle; 15. a condenser tube; 16. a second insulating substrate; 17. an IGBT (insulated gate bipolar transistor) crystal tube; 18. an output orifice slot; 19. a central baffle; 20. a heat radiation fan; 21. a motor; 22. a second interior chamber.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an embodiment of the present invention is shown: a heat discharging device for IGBT comprises an IGBT operating device main body 1, a central baffle plate 19 is arranged inside the IGBT operating device main body 1, a first inner cavity 12 is arranged on one side of the central baffle plate 19, a second inner cavity 22 is arranged on the other side of the central baffle plate 19, an output hole groove 18 is arranged inside the central baffle plate 19, the output hole groove 18 and the central baffle plate 19 are integrally formed, a second insulating substrate 16 is arranged inside the first inner cavity 12, IGBT crystal tubes 17 are arranged on the upper end face of the second insulating substrate 16, three IGBT crystal tubes 17 are arranged, the three IGBT crystal tubes 17 are all in threaded connection with the second insulating substrate 16, first guide plates 13 are arranged on two sides inside the first inner cavity 12, two first guide plates 13 are arranged, a second guide plate 14 is arranged above the second insulating substrate 16, three second guide plates 14 are arranged, the three second guide plates 14 are all provided with condensing tubes 15, six condensation pipes 15 are arranged, the six condensation pipes 15 are fixedly connected with the second guide plate 14, two cooling fans 20 are arranged inside the second inner cavity 22, one ends of the two cooling fans 20 are provided with motors 21, and the motors 21 are electrically connected with one ends of the cooling fans 20.

Further, the up end of IGBT running device main part 1 is provided with first insulation substrate 2, and first insulation substrate 2 is through first hex bolts 3 and 1 threaded connection of IGBT running device main part, and just first hex bolts 3 are provided with four, the setting of first hex bolts 3 for it is comparatively convenient to install or dismantle.

Further, the upper end face of the first insulating substrate 2 is provided with the outer cover plate 4 of resin, the outer cover plate 4 of resin is provided with three, the upper end face of the outer cover plate 4 of three resin is provided with the output port 5, and the output port 5 and the outer cover plate 4 of resin are integrally formed, and the integral formation enables the object to reduce the generation of fracture surfaces.

Further, the two sides of the upper end face of the IGBT operation device main body 1 are provided with four auxiliary terminal heads 6, the four auxiliary terminal heads 6 are fixedly connected with the IGBT operation device main body 1, and the articles are stably connected through the fixed connection.

Further, the front end face of the IGBT operating device main body 1 is provided with a reserved hole groove 7, the reserved hole groove 7 and the IGBT operating device main body 1 are integrally formed, and the objects are enabled to reduce the generation of fracture surfaces due to the integral forming.

Further, one side of IGBT operation device main part 1 is provided with closing cap board 8, the four sides of closing cap board 8 all are provided with stationary blade 9, and stationary blade 9 is provided with four, four stationary blades 9 all form with closing cap board 8's four sides integral type, four stationary blades 9 all pass through second hex bolts 10 and IGBT operation device main part 1 threaded connection, and second hex bolts 10 are provided with four, the inside both sides of closing cap board 8 all are provided with filter screen mechanism 11, and filter screen mechanism 11 is provided with two, filter screen mechanism 11's setting, can effectually avoid the entering of outside article.

The working principle is as follows: during the use, be connected the wind gap of reservation hole groove 7 with the outside, blow in gaseous first interior cavity 12 that gets into this IGBT running device main part 1 inside by external device, gaseous back that gets into, the walking of the gaseous first guide plate 13 and the second guide plate 14 guide that set up, and the condenser pipe 15 that sets up in second guide plate 14 one side can effectually carry out the refrigeration effect to gas, thereby increase absorption and the emission efficiency to IGBT brilliant pipe 17 exhaust heat in service, gaseous finally gets into in the second interior cavity 22 through output hole groove 18, inside the quick discharge the device by radiator fan 20, thereby reach the effect of high-efficient heat emission.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims

1. A heat discharging device for an IGBT, comprising an IGBT operating device body (1), characterized in that: the IGBT operating device is characterized in that a central baffle (19) is arranged inside the IGBT operating device main body (1), a first inner cavity (12) is arranged on one side of the central baffle (19), a second inner cavity (22) is arranged on the other side of the central baffle (19), an output hole groove (18) is formed inside the central baffle (19), the output hole groove (18) and the central baffle (19) are integrally formed, a second insulating substrate (16) is arranged inside the first inner cavity (12), an IGBT crystal tube (17) is arranged on the upper end face of the second insulating substrate (16), the number of the IGBT crystal tubes (17) is three, the IGBT crystal tubes (17) are all in threaded connection with the second insulating substrate (16), first guide plates (13) are arranged on two sides inside the first inner cavity (12), the number of the first guide plates (13) is two, and second guide plates (14) are arranged above the second insulating substrate (16), and second guide plate (14) are provided with threely, three second guide plate (14) all are provided with condenser pipe (15), and condenser pipe (15) are provided with six, six condenser pipe (15) all are fixed even with second guide plate (14), the inside of cavity (22) is provided with radiator fan (20) in the second, and radiator fan (20) are provided with two, two the one end of radiator fan (20) all is provided with motor (21), and the one end electric connection of motor (21) and radiator fan (20).

2. A heat discharging device for IGBT according to claim 1, characterized in that: the IGBT operating device is characterized in that a first insulating substrate (2) is arranged on the upper end face of the IGBT operating device main body (1), the first insulating substrate (2) is in threaded connection with the IGBT operating device main body (1) through first hexagonal bolts (3), and the number of the first hexagonal bolts (3) is four.

3. A heat discharging device for IGBT according to claim 2, characterized in that: the upper end face of the first insulating base plate (2) is provided with a resin outer cover plate (4), the number of the resin outer cover plates (4) is three, the upper end face of the resin outer cover plate (4) is provided with an output port (5), and the output port (5) and the resin outer cover plate (4) are integrally formed.

4. A heat discharging device for IGBT according to claim 1, characterized in that: the IGBT operation device is characterized in that auxiliary terminal heads (6) are arranged on two sides of the upper end face of the IGBT operation device main body (1), four auxiliary terminal heads (6) are arranged, and the auxiliary terminal heads (6) are fixedly connected with the IGBT operation device main body (1).

5. A heat discharging device for IGBT according to claim 1, characterized in that: the front end face of the IGBT operation device main body (1) is provided with a reserved hole groove (7), and the reserved hole groove (7) and the IGBT operation device main body (1) are integrally formed.

6. A heat discharging device for IGBT according to claim 1, characterized in that: one side of IGBT operation device main part (1) is provided with closing cap board (8), the four sides of closing cap board (8) all are provided with stationary blade (9), and stationary blade (9) are provided with four, four stationary blade (9) all form with the four sides integral type of closing cap board (8), four stationary blade (9) all are through second hex bolts (10) and IGBT operation device main part (1) threaded connection, and second hex bolts (10) are provided with four, the inside both sides of closing cap board (8) all are provided with filter screen mechanism (11), and filter screen mechanism (11) are provided with two.