CN209949708U - Heat radiator for motor controller - Google Patents
Heat radiator for motor controller Download PDFInfo
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- CN209949708U CN209949708U CN201821579718.0U CN201821579718U CN209949708U CN 209949708 U CN209949708 U CN 209949708U CN 201821579718 U CN201821579718 U CN 201821579718U CN 209949708 U CN209949708 U CN 209949708U
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- 239000007788 liquid Substances 0.000 claims abstract description 72
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000000110 cooling liquid Substances 0.000 claims abstract description 26
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 239000012530 fluid Substances 0.000 claims description 24
- 230000000694 effects Effects 0.000 abstract description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- 230000006872 improvement Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model relates to a heat dissipation device of a motor controller, in particular to a heat dissipation device of a motor controller of a passenger car, which comprises a shell; the flow channel comprises a cooling cavity arranged in the shell, and a flow channel inlet and a flow channel outlet which are arranged on the shell; the shell is provided with a liquid inlet cavity and a liquid outlet cavity, the liquid inlet cavity is provided with the runner inlet, and the liquid outlet cavity is provided with the runner outlet. The utility model discloses can dispel the heat to the machine controller of passenger car, the cooling liquid flows evenly, and the radiating effect is good.
Description
Technical Field
The utility model relates to a motor controller's heat abstractor, especially passenger car's motor controller's heat abstractor.
Background
The pure electric passenger vehicle is a new vehicle taking electric power as energy, and the engine of the pure electric passenger vehicle mainly uses electric energy, so that the pure electric passenger vehicle is an environment-friendly vehicle with no pollution and low consumption. Motor controllers for passenger vehicles are usually controlled by IGBT modules, and the controllers generate a certain amount of heat during operation. If heat is built up, the temperature of the motor controller can rise, and excessive temperatures can affect the proper use of the device and can also damage the components.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model provides a motor controller's heat abstractor can dispel the heat to the motor controller of passenger car, and the cooling liquid flows evenly, and the radiating effect is good.
The utility model provides a machine controller's heat abstractor, include:
a housing; and
a flow passage disposed within the housing, the flow passage including a cooling cavity disposed within the housing, and a flow passage inlet and a flow passage outlet disposed on the housing;
the shell is provided with a liquid inlet cavity and a liquid outlet cavity, the liquid inlet cavity is provided with the runner inlet, and the liquid outlet cavity is provided with the runner outlet.
The utility model is further improved in that the shell comprises an upper plate body and a lower shell body connected with the upper plate body, and a rectangular mounting opening is arranged on the upper plate body;
the two ends of the mounting port are respectively provided with the liquid inlet cavity and the liquid outlet cavity, and the cooling cavity is arranged between the liquid inlet cavity and the liquid outlet cavity.
The utility model is further improved in that the liquid inlet cavity is a groove with a quadrangular cross section, and a first end plate which is perpendicular to the upper plate body is arranged in the liquid inlet cavity; the flow channel inlet is disposed on the first end plate.
The utility model is further improved in that a first bevel edge opposite to the first end plate is arranged in the liquid inlet cavity, and the first bevel edge is arranged at one side connected with the cooling cavity;
the first bevel edge has a certain inclination angle in the depth direction of the liquid inlet cavity, so that the liquid inlet cavity forms a funnel-shaped groove.
The utility model discloses a further improvement lies in, it is the recess of rectangle for the cross section to go out the liquid chamber, go out the liquid intracavity be provided with the perpendicular second end plate that sets up of last plate body, the runner export sets up on the second end plate.
The utility model is further improved in that a second bevel edge opposite to the second end plate is arranged in the liquid outlet cavity, and the second bevel edge is arranged at one side connected with the cooling cavity;
the second bevel edge has a certain inclination angle in the depth direction of the liquid outlet cavity, so that the liquid outlet cavity forms a funnel-shaped groove.
The utility model is further improved in that the flow channel inlet is arranged at one side of the lower part of the first end plate; the flow channel outlet is arranged in the middle of the lower part of the second end plate; wherein the positions of the flow channel inlet and the flow channel outlet are asymmetric.
The utility model discloses a further improvement lies in, first hypotenuse is following set up certain inclination on the width direction of last face, make it is close to in the sap cavity one side of runner entry is narrower, keeps away from one side broad of runner entry.
The utility model discloses a further improvement lies in, the circulation has cooling liquid in the runner, cooling liquid gets into the sap cavity from fluid entry, then gets into the cooling chamber by going into the sap cavity, gets into out the sap cavity from the cooling chamber after that, flows out by the fluid outlet at last.
The utility model discloses a further improvement lies in, the cooling liquid is 50% ethylene glycol solution.
Compared with the prior art, the utility model has the advantages of:
a machine controller's heat abstractor, can dispel the heat to the machine controller of passenger car, the cooling liquid flows evenly, the radiating effect is good. Because the import and export of cooling liquid is inhomogeneous, through setting up the inclination of first hypotenuse, can make cooling liquid evenly get into to balanced velocity of flow improves the radiating effect.
Drawings
Fig. 1 is a schematic structural view of a heat dissipating device of a motor controller according to an embodiment of the present invention, showing the structures of a fluid inlet chamber and a fluid inlet port;
fig. 2 is a schematic structural view of a heat dissipating device of a motor controller according to an embodiment of the present invention, showing the structures of a liquid outlet chamber and a fluid outlet;
fig. 3 is a schematic cross-sectional structure view of a heat sink of a motor controller according to an embodiment of the present invention, showing the structure of a first bevel edge and a second bevel edge;
fig. 4 is a schematic top view of a heat dissipation device of a motor controller according to an embodiment of the present invention.
In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.
The meaning of the reference symbols in the drawings is as follows: 1. the cooling device comprises a shell, 2, a liquid inlet cavity, 3, a liquid outlet cavity, 4, a cooling cavity, 11, an upper plate body, 12, a lower shell, 13, a mounting port, 14, a supporting component, 21, a first end plate, 22, a first bevel edge, 23, a fluid inlet, 31, a second end plate, 32, a second bevel edge, 33 and a fluid outlet.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 schematically shows a heat dissipation device of a motor controller according to an embodiment of the present invention. According to the utility model discloses a motor controller's heat abstractor can dispel the heat to the motor controller of passenger car, and the cooling liquid flows evenly, and the radiating effect is good.
As shown in fig. 1, the heat dissipation device for a motor controller according to the present embodiment includes a housing 1. The housing 1 is connected to a passenger car controller, such as the bottom surface of an IGBT substrate. A flow channel is arranged in the shell 1, and the flow channel is constructed to be capable of cooling liquid and taking away heat generated in the working process of the controller, so that the IGBT arranged on the shell 1 keeps a low temperature. The flow path includes a cooling chamber 4 provided in the housing 1, and a fluid inlet 23 and a fluid outlet 33 provided on the housing 1. The cooling liquid flows from the fluid inlet 23 into the housing 1, through the cooling chamber 4 and finally out through the fluid outlet 33. In this embodiment, the casing 1 is provided with a liquid inlet cavity 2 and a liquid outlet cavity 3, the liquid inlet cavity 2 is provided with the flow channel inlet, and the liquid outlet cavity 3 is provided with the flow channel outlet.
In the heat sink of the motor controller according to the present embodiment, the cooling liquid enters the fluid inlet 23 through the liquid inlet chamber 2, and the cooling liquid enters the cooling chamber 4 through the fluid inlet 23. The cooling liquid absorbs heat generated in the working process of the passenger car controller in the cooling cavity 4, and after the heat is absorbed, the cooling liquid flows out from the flow passage outlet. Thereby accomplishing the heat dissipation of the passenger car controller.
In one embodiment, as shown in fig. 1 and 2, the housing 1 includes an upper plate 11, and a lower housing 12 connected to the upper plate 11. The upper plate body 11 is a flat plate structure, and the lower shell 12 is disposed below the upper plate body 11, and the edge of the lower shell is connected to the upper plate body 11 in a sealing manner. The upper plate body 11 is provided with a mounting port 13, and the mounting port 13 is used for connecting a controller or other components. The mounting opening 13 is rectangular, and the length direction of the rectangle is along the length direction of the upper plate body 11 and is arranged in the middle of the upper plate body 11. Two grooves are respectively arranged at two ends of the mounting port 13 and are used as the liquid inlet cavity 2 and the liquid outlet cavity 3. The liquid inlet cavity 2 is communicated with the inside of the shell 1 through a fluid inlet 23, and the liquid outlet cavity 3 is communicated with the inside of the shell 1 through a fluid outlet 33. The middle part of installing port 13 is provided with cooling chamber 4, cooling chamber 4 sets up go into liquid chamber 2 with go out the liquid chamber 3 support. The position of the cooling chamber 4 of the mounting port 13 is sealed, and the cooling chamber 4 is communicated with the outside of the housing 1 through the fluid inlet 23 and the fluid outlet 33.
In one embodiment, as shown in fig. 1, the cross section of the liquid inlet chamber 2 is a quadrilateral groove, and in this embodiment, the cross section is based on the plane of the upper plate 11, and the plane parallel to the plane is the cross section. A first end plate 21 is arranged in the liquid inlet cavity 2, and the first end plate 21 is arranged at the end part of the liquid inlet cavity 2 and is positioned on one side far away from the cooling cavity 4. The first end plate 21 is perpendicular to the upper plate 11, and is disposed below the upper plate 11 in a direction extending into the housing 1. The flow channel inlet is provided in the first end plate 21.
In a preferred embodiment, a bevel edge is provided in the inlet chamber 2, which bevel edge is located in the inlet chamber 2 on a face opposite the first end plate 21, and the first bevel edge 22 is provided on the side where the cooling chamber 4 is connected, i.e. on the side close to the centre of the upper plate body 11. The first inclined edge 22 has a certain inclination angle in the depth direction of the liquid inlet cavity 2, and the depth direction of the liquid inlet cavity 2 is the same as the downward extending direction of the first end plate 21. In the present embodiment, the first oblique side 22 is provided below the upper plate body 11 in a position where the upper plate body 11 is parallel to the horizontal plane, and the lower portion of the first oblique side 22 is inclined in a direction approaching the first end plate 21. The first sloping edge 22 forms a funnel-shaped recess in the liquid inlet chamber 2. The distance between the upper portion of the first oblique side 22 and the upper portion of the first end plate 21 is smaller than the distance between the lower portion of the first oblique side 22 and the lower portion of the first end plate 21.
In the heat dissipation device of the motor controller according to the embodiment, when the cooling liquid flows into the cooling cavity 4 by arranging the first inclined edge 22, due to the effect of the inclined surface, the fluid is uniformly distributed in the liquid inlet cavity, the cooling liquid is prevented from directly flowing to the outlet from the inlet 23 on the first end plate 21, the cooling liquid in the liquid inlet cavity far away from the inlet 23 hardly flows or swirls are prevented, and therefore the heat dissipation effect is better.
In a preferred embodiment, the flow channel inlet is provided at one side of the lower portion of the first end plate 21. In this embodiment, the width of the flow channel inlet is about the same as the width of the first end plate 21. The flow channel inlet is arranged on one side of the first end plate 21 in the width direction, so that the flow channel inlet is more matched with the connecting position of other parts of the passenger car controller.
In one embodiment, as shown in fig. 2, the liquid outlet cavity 3 is a groove with a rectangular cross section, and the cross section of the upper plate body 11 is parallel to the cross section. A second end plate 31 is arranged in the liquid inlet cavity 2, the second end plate 31 is perpendicular to the upper plate body 11, and a fluid outlet 33 is arranged on the second end plate 31.
In a preferred embodiment, as shown in fig. 3 and 4, a second inclined edge 32 is provided in the outlet chamber 3, and the second inclined edge 32 is disposed opposite to the second end plate 31 and is located at a side connected to the cooling chamber 4. The second inclined edge 32 has a certain inclination angle along the depth direction of the liquid outlet chamber 3, and the depth direction of the liquid outlet chamber 3 is the same as the direction in which the second end plate 31 extends downwards. In the present embodiment, the second inclined edge 32 is provided below the upper plate body 11 in a position where the upper plate body 11 is parallel to the horizontal plane, and the lower portion of the second inclined edge 32 is inclined in a direction approaching the second end plate 31. The second bevelled edge 32 forms a funnel-shaped recess in the outlet chamber 3. The distance between the upper portion of the second inclined edge 32 and the upper portion of the second end plate 31 is smaller than the distance between the lower portion of the second inclined edge 32 and the lower portion of the second end plate 31. The flow of the exiting cooling liquid is made more uniform by providing said second sloping edge 32.
In a preferred embodiment, the flow channel outlet is provided in the middle of the lower part of the second end plate 31. The flow channel outlet is preferably of rectangular configuration and is disposed in the middle of the second end plate 31. To correspond to other devices connected to the heat sink of the motor controller.
In one embodiment, the first inclined edge 22 is inclined at a certain angle along the width direction of the upper plate surface, so that the side of the liquid inlet chamber 2 close to the flow channel inlet is narrower, and the side far away from the flow channel inlet is wider.
In the heat dissipation device of the motor controller according to this embodiment, a certain inclination angle is set, and an asymmetric flow channel shape is formed by the inclination angle, so that after the cooling liquid flows in from the upper right corner in the drawing, the cooling liquid is guided to the lower right corner region by the asymmetric shape, so that the pressure of the cooling liquid in the liquid inlet cavity 2 is uniform, and the uniform distribution of the flow velocity and the flow rate of the whole cooling cavity 4 is ensured. With the technical solution according to this embodiment, the flow and pressure in the flow channel are still evenly distributed in case the water channel inlet is offset to a corner.
In one embodiment, the flow channel is filled with a cooling liquid, which enters the flow channel from the inlet chamber 2, enters the cooling chamber 4 through the fluid inlet 23, and exits through the fluid outlet. In a preferred embodiment, the cooling liquid is preferably a 50% glycol solution. Of course, other fluids capable of conducting heat are possible.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (9)
1. A heat sink for a motor controller, comprising:
a housing (1); and
a flow channel arranged in the housing (1), the flow channel comprising a cooling chamber (4) arranged in the housing (1), and a flow channel inlet and a flow channel outlet arranged on the housing (1);
the liquid inlet cavity (2) and the liquid outlet cavity (3) are arranged on the shell (1), the flow channel inlet is formed in the liquid inlet cavity (2), and the flow channel outlet is formed in the liquid outlet cavity (3).
2. The heat dissipation device of the motor controller according to claim 1, wherein the housing (1) comprises an upper plate body (11) and a lower housing (12) connected with the upper plate body (11), and a rectangular mounting opening (13) is formed in the upper plate body (11);
the two ends of the mounting port (13) are respectively provided with the liquid inlet cavity (2) and the liquid outlet cavity (3), and the cooling cavity (4) is arranged between the liquid inlet cavity (2) and the liquid outlet cavity (3).
3. The heat dissipation device of the motor controller according to claim 2, wherein the liquid inlet chamber (2) is a groove with a quadrangular cross section, and a first end plate (21) perpendicular to the upper plate body (11) is arranged in the liquid inlet chamber (2); the flow channel inlet is provided on the first end plate (21).
4. The heat sink of a motor controller according to claim 3, wherein a first inclined edge (22) is provided in the liquid inlet chamber (2) opposite to the first end plate (21), the first inclined edge (22) being provided on a side connecting the cooling chamber (4);
wherein the first inclined edge (22) has a certain inclined angle in the depth direction of the liquid inlet cavity (2), so that the liquid inlet cavity (2) forms a funnel-shaped groove.
5. The heat dissipation device of a motor controller according to claim 3 or 4, wherein the liquid outlet cavity (3) is a groove with a rectangular cross section, a second end plate (31) perpendicular to the upper plate body (11) is arranged in the liquid outlet cavity (3), and the flow channel outlet is arranged on the second end plate (31).
6. The heat sink of a motor controller according to claim 5, wherein a second inclined edge (32) is provided in the liquid outlet chamber (3) opposite to the second end plate (31), the second inclined edge (32) being provided at a side connecting the cooling chamber (4);
wherein the second bevel edge (32) has a certain inclination angle in the depth direction of the liquid outlet cavity (3), so that the liquid outlet cavity (3) forms a funnel-shaped groove.
7. The heat dissipating device of a motor controller according to claim 6, wherein the flow channel inlet is provided at one side of a lower portion of the first end plate (21); the flow channel outlet is arranged in the middle of the lower part of the second end plate (31); wherein the positions of the flow channel inlet and the flow channel outlet are asymmetric.
8. The heat sink for motor controllers according to claim 4, wherein the first inclined edge (22) is inclined at an angle along the width direction of the upper plate body, so that the side of the liquid inlet chamber (2) close to the flow channel inlet is narrower and the side far from the flow channel inlet is wider.
9. The heat sink for a motor controller according to claim 1, wherein the flow channel is circulated with a cooling liquid, and the cooling liquid enters the liquid chamber (2) from the fluid inlet (23), then enters the cooling chamber (4) from the liquid chamber (2), then enters the liquid outlet chamber (3) from the cooling chamber (4), and finally exits from the fluid outlet (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579718.0U CN209949708U (en) | 2018-09-27 | 2018-09-27 | Heat radiator for motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821579718.0U CN209949708U (en) | 2018-09-27 | 2018-09-27 | Heat radiator for motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209949708U true CN209949708U (en) | 2020-01-14 |
Family
ID=69119005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821579718.0U Active CN209949708U (en) | 2018-09-27 | 2018-09-27 | Heat radiator for motor controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209949708U (en) |
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2018
- 2018-09-27 CN CN201821579718.0U patent/CN209949708U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240117 Address after: Room 528-40, Building 1, Longxin International, No. 255 Tongxia Road, Tongtangwan Street, Shifeng District, Zhuzhou City, Hunan Province, 412000 Patentee after: Hunan CRRC Times Electric Drive Technology Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. |