CN216414908U - Heat dissipation device of electric vehicle motor controller - Google Patents

Abstract

The utility model provides a heat dissipation device of an electric vehicle motor controller, which comprises a heat dissipation box, a heat dissipation rod and a water cooling pipe, wherein the heat dissipation box is arranged on the heat dissipation rod; the heat dissipation box is provided with an air cooling bin and a water cooling bin, the lower end face of the heat dissipation rod is fixed on the end face of the controller, the heat dissipation rod is sequentially communicated with the water cooling bin and the air cooling bin from bottom to top and extends out of the upper end face of the heat dissipation box through the air cooling bin, the water cooling tube is installed in the water cooling bin and wraps the outer wall of the heat dissipation rod, ventilation openings are symmetrically arranged at the left end and the right end of the air cooling bin, and fans are installed on the ventilation openings.

Description

Heat dissipation device of electric vehicle motor controller

Technical Field

The utility model mainly relates to the technical field of motor controllers, in particular to a heat dissipation device of a motor controller of an electric automobile.

Background

In an electric automobile, a motor system has the characteristics of high power density and high efficiency. The motor controller is an important part of a motor system, the arrangement space of the motor controller is limited, the structure of the motor controller is closed, the working environment is relatively poor, if the motor controller cannot be effectively cooled, the motor controller can generate heat seriously, the performance of the motor system is further influenced, and the vehicle cannot run normally.

The heat abstractor of present motor controller, like patent application No.: 201720179812.6, including casing and apron, be equipped with the heat dissipation runner on the casing, the heat dissipation runner is including setting up a plurality of first basins of upper surface and locating the second basin on the lower surface of casing and be located between two adjacent first basins, two first basins that are located the casing both ends communicate with water inlet and delivery port respectively, the both ends of second basin communicate with first basin respectively, and be equipped with first fin in the second basin, the apron lid closes the uncovered department at the second basin. Cooling liquid enters into first basin from water inlet department in, carries out cooling heat dissipation to the IGBT module of first basin top, then enters into the second basin in, carries out the heat transfer with the first fin in the second basin, the temperature reduces, enter into the first basin at rear once more in, dispel the heat to the IGBT module, the radiating efficiency to the IGBT module has been improved, the life of IGBT module has been prolonged, but this utility model's heat exchange efficiency is slower relatively, the radiating effect is relatively poor, the utensil limitation.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat dissipation device of an electric vehicle motor controller, aiming at solving the problems of relatively low heat exchange efficiency and relatively poor heat dissipation effect.

The utility model adopts the following technical scheme: comprises a heat dissipation box, a heat dissipation rod and a water cooling pipe; the heat dissipation case is equipped with air-cooled storehouse and water-cooled storehouse, the terminal surface is fixed at the controller terminal surface under the heat dissipation pole, supreme intercommunication in proper order is down followed to the heat dissipation pole water-cooled storehouse, air-cooled storehouse to run through air-cooled storehouse and stretch out to heat dissipation case up end, the water-cooled tube is installed in the water-cooled storehouse, and the parcel is in the heat dissipation pole outer wall, the air-cooled left and right ends symmetry is equipped with the vent, the fan is all installed to the vent.

By adopting the technical scheme, the water cooling pipe and the fan respectively act on the heat dissipation rods of the water cooling bin and the air cooling bin, so that the aim of multiple heat dissipation is fulfilled, the heat dissipation efficiency is improved, and a relatively good heat dissipation effect is realized.

Furthermore, the heat dissipation rod is provided with a first heat dissipation column, a second heat dissipation column and a third heat dissipation column, wherein the first heat dissipation column, the second heat dissipation column and the third heat dissipation column are respectively arranged at the lower end, the middle end and the upper end of the heat dissipation rod and are uniformly distributed.

By adopting the technical scheme, the heat exchange efficiency is accelerated through the plurality of heat dissipation columns.

Furthermore, a first heat dissipation column is matched with the water cooling pipe, the first heat dissipation column is matched with the air cooling bin, and a third heat dissipation column extends out of the heat dissipation box to be in air contact with the outer end.

By adopting the technical scheme, the heat exchange is respectively carried out between the plurality of heat dissipation columns and the water cooling pipe, the air cooling bin and the outside air, the purpose of multiple heat exchange is achieved, and the heat dissipation efficiency is accelerated.

Furthermore, the water cooling pipes are circularly connected in the water cooling bin by adopting a double-layer structure.

By adopting the technical scheme, the contact area of the first heat dissipation column with the heat dissipation rod is increased through the water cooling pipe in the circulating connection of the double-layer structure, so that the heat exchange efficiency is improved, and a relatively good heat dissipation effect is achieved.

Further, the rotation directions of the fans in the symmetrical air vents are opposite.

By adopting the technical scheme, the air flowing speed of the air cooling bin is increased, the heat exchange efficiency is increased, and the heat dissipation effect is improved through the set of fans in opposite directions.

Furthermore, filter screens are installed in the air vents.

By adopting the technical scheme, the dust in the heat dissipation is prevented through the filter screen, and the dustproof effect is achieved.

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

1. the water cooling pipe and the fan respectively act on the heat dissipation rods of the water cooling bin and the air cooling bin, so that the aim of multiple heat dissipation is fulfilled, the heat dissipation efficiency is improved, and a relatively good heat dissipation effect is realized.

2. Through a plurality of heat dissipation posts respectively with water-cooled tube, air-cooled storehouse and outside air carry out the heat transfer, reach multiple heat transfer's purpose for the radiating efficiency.

3. Through the water-cooling pipe of bilayer structure cyclic connection, increase with the area of contact of the first heat dissipation post of heat dissipation pole to improve heat exchange efficiency, reach relatively better radiating effect.

4. Through a set of fans in opposite directions, the air flow speed of the air cooling bin is increased, the heat exchange efficiency is increased, and the heat dissipation effect is improved.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a cross-sectional view of the overall construction of the present invention;

FIG. 3 is a schematic view of a water-cooled tube structure according to the present invention;

FIG. 4 is a schematic view of a heat dissipation rod according to the present invention.

In the figure: 1. a heat dissipation box; 11. air cooling; 12. a water cooling bin; 13. a vent; 131. a fan; 132. a filter screen; 2. a heat dissipation rod; 21. a first heat-dissipating stud; 22. a second heat-dissipating stud; 23. a third heat-dissipating stud; 3. a water-cooled tube.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to be limiting of the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

the embodiment of the utility model discloses a heat dissipation device of an electric vehicle motor controller, please refer to fig. 1-4, which comprises a heat dissipation box 1, a heat dissipation rod 2 and a water cooling pipe 3; the heat dissipation case 1 is equipped with air-cooled storehouse 11 and water-cooled storehouse 12, the terminal surface is fixed at the controller terminal surface under the heat dissipation pole 2, supreme intercommunication in proper order is followed to the heat dissipation pole 2 the water-cooled storehouse 12, air-cooled storehouse 11 to run through air-cooled storehouse 11 and stretch out to 1 up end of heat dissipation case, water-cooled tube 3 is installed in the water-cooled storehouse 12, and the parcel is in 2 outer walls of heat dissipation pole, the end-to-end symmetry is equipped with vent 13 about the forced air cooling, fan 131 is all installed to vent 13.

Please refer to fig. 1-4, the heat dissipation rod 2 is provided with a first heat dissipation column 21, a second heat dissipation column 22 and a third heat dissipation column 23, the first heat dissipation column 21, the second heat dissipation column 22 and the third heat dissipation column 23 are respectively arranged at the lower, middle and upper ends of the heat dissipation rod 2 and are uniformly distributed, the first heat dissipation column 21 is matched with the water cooling pipe 3, the first heat dissipation column 21 is matched with the air cooling bin 11, and the third heat dissipation column 23 extends out of the heat dissipation box 1 to be in air contact with the outer end.

Please refer to fig. 2 and fig. 3, the water cooling tubes 3 are circularly connected in the water cooling chamber 12 by a double-layer structure.

Please refer to fig. 2 again, the rotation directions of the fans 131 in the symmetrical ventilation openings 13 are opposite, and the filter screens 132 are installed in the ventilation openings 13.

The implementation principle of the heat dissipation device of the motor controller of the electric automobile provided by the embodiment of the utility model is as follows:

the heat of the controller is led into the heat dissipation rod 2, and then is transmitted to the first heat dissipation column 21, the second heat dissipation column 22 and the third heat dissipation column 23 for heat dissipation; water flows through the double-layer water-cooling pipe 3 and exchanges heat with the first heat dissipation columns 21 which are uniformly distributed in the water-cooling bin 12; starting the fan 131, blowing the airflow into the air cooling bin 11 by the fan 131, and taking away the heat of the uniformly distributed second heat dissipation columns 22 for heat dissipation; the third heat dissipation columns 23 which are uniformly distributed extend out of the heat dissipation box 1 to be in contact with the outside air for heat dissipation, so that the aim of multiple heat dissipation is fulfilled, the heat exchange efficiency is accelerated, and the heat exchange effect is improved.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (6)

1. The utility model provides a heat abstractor of electric automobile machine controller which characterized in that: comprises a heat dissipation box (1), a heat dissipation rod (2) and a water cooling pipe (3);

the heat dissipation box (1) is equipped with air-cooled storehouse (11) and water-cooled storehouse (12), the terminal surface is fixed at the controller terminal surface under heat dissipation rod (2), supreme intercommunication in proper order is followed in heat dissipation rod (2) down water-cooled storehouse (12), air-cooled storehouse (11) to run through air-cooled storehouse (11) and stretch out extremely heat dissipation box (1) up end, install water-cooled tube (3) in water-cooled storehouse (12), and the parcel is in heat dissipation rod (2) outer wall, the end symmetry is equipped with vent (13) about the forced air cooling, fan (131) are all installed in vent (13).

2. The heat dissipation device of an electric vehicle motor controller according to claim 1, wherein: the heat dissipation rod (2) is provided with a first heat dissipation column (21), a second heat dissipation column (22) and a third heat dissipation column (23), wherein the first heat dissipation column (21), the second heat dissipation column (22) and the third heat dissipation column (23) are respectively arranged at the lower end, the middle end and the upper end of the heat dissipation rod (2) and are uniformly distributed.

3. The heat dissipation device of the motor controller of the electric vehicle according to claim 2, wherein: the first heat dissipation column (21) is matched with the water cooling pipe (3), the first heat dissipation column (21) is matched with the air cooling bin (11), and the third heat dissipation column (23) extends out of the heat dissipation box (1) to be in air contact with the outer end.

4. The heat dissipation device of an electric vehicle motor controller according to claim 1, wherein: the water cooling pipes (3) are circularly connected with the water cooling bin (12) by adopting a double-layer structure.

5. The heat dissipation device of an electric vehicle motor controller according to claim 1, wherein: the rotation directions of the fans (131) in the symmetrical ventilation openings (13) are opposite.

6. The heat dissipation device of an electric vehicle motor controller according to claim 1, wherein: and filter screens (132) are arranged in the ventilation openings (13).

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