CN212544408U - Controller and heat radiation structure thereof - Google Patents
Controller and heat radiation structure thereof Download PDFInfo
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- CN212544408U CN212544408U CN202021581484.0U CN202021581484U CN212544408U CN 212544408 U CN212544408 U CN 212544408U CN 202021581484 U CN202021581484 U CN 202021581484U CN 212544408 U CN212544408 U CN 212544408U
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Abstract
The utility model discloses a controller and heat radiation structure thereof, including the heat dissipation casing, one side face of heat dissipation casing is provided with the horizontal boss that is used for installing power element the opposite side face of heat dissipation casing is provided with the water course structure, the water course structure has water course entry and water course export, its characterized in that: the water channel inlet is connected with the inlet main water channel, the water channel outlet is connected with the outlet main water channel, a plurality of shunt channels which are connected in parallel are arranged between the inlet main water channel and the outlet main water channel, each shunt channel transversely penetrates through the transverse boss respectively, and the shunt channels are arranged in a wave shape along the flow channel of the water flow direction. The utility model provides a controller and heat radiation structure of controller, the radiating effect is good water resistance is low.
Description
Technical Field
The utility model relates to a heat radiation structure especially relates to the water-cooling heat radiation structure who carries out the cooling to its electric elements on the machine controller.
Background
The new energy electric automobile is more and more widely applied, and the requirement on an electric automobile controller is higher and higher. The controller of the electric vehicle is a core component for controlling the starting, running, advancing and retreating, speed stopping of the motor of the electric vehicle and other electronic devices of the electric vehicle. The controller controls the motor of the electric automobile through various power elements such as capacitors, resistors, sensors and the like arranged in the controller. And a large amount of heat can be sent out in the working process of each power element, so that the generated heat needs to be taken away in time to ensure that the power elements can work normally, and the power elements are prevented from being burnt out due to high temperature to influence the work of the controller. In the prior art, the circuit elements of the controller are usually cooled by water.
For example, chinese patent CN208638862U discloses a temperature equalization radiator and a motor controller, and specifically discloses: the cooling device comprises a shell with a cooling liquid inlet and a cooling liquid outlet, and a cover plate detachably connected with the shell, wherein a heating module is installed on the outer side of the cover plate, a plurality of cooling branches are arranged in the shell, each cooling branch comprises two adjacent cooling liquid flow channels, and the cooling liquid flow channels of the plurality of cooling branches are arranged side by side; the two cooling liquid flow channels of each cooling branch are connected in series, and the flow directions of the cooling liquid in the two cooling liquid flow channels are opposite; the first ends of the cooling branches are respectively connected with the cooling liquid inlet, and the second ends of the cooling branches are respectively connected with the cooling liquid outlet.
The water channel structure in the above patent is complicated in arrangement, and the normal flow of the water channel can be ensured only by high water pressure, so that the pressure of the water pump is high.
And chinese patent CN107104086A discloses a liquid cooling heat sink and a motor controller, and specifically discloses a liquid cooling heat sink and a motor controller including a substrate and a cooling liquid channel located in the substrate, the substrate is provided with at least one heat conduction boss protruding from the upper surface of the substrate, the side surface of the heat conduction boss is provided with a first installation position for installing a power device, a boss water channel is provided in the heat conduction boss, and the boss water channel constitutes the first part of the cooling liquid channel.
The water channel in the patent has long flow, excessive turning positions and large heat loss, so that the heat dissipation effect is poor. And the normal flow of the water channel can be ensured only by high water pressure, and the pressure of the water pump is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a heat radiation structure of controller that radiating efficiency is high and water resistance is little.
In order to achieve the above object, the present invention is realized as follows: the utility model provides a heat radiation structure of controller, includes the heat dissipation casing, one side face of heat dissipation casing is provided with the horizontal boss that is used for installing power element the opposite side face of heat dissipation casing is provided with the water course structure, the water course structure has water course entry and water course export, its characterized in that: the water channel inlet is connected with the inlet main water channel, the water channel outlet is connected with the outlet main water channel, a plurality of shunt channels which are connected in parallel are arranged between the inlet main water channel and the outlet main water channel, each shunt channel transversely penetrates through the transverse boss respectively, and the shunt channels are arranged in a wave shape along the flow channel of the water flow direction. The heat radiation structure that adopts above-mentioned mode to set up through the setting mode of main water course and water diversion channel, can the furthest must take away the produced heat of power component to the water course structure that above-mentioned mode set up, the water resistance is little, and the raise dust is big, can also reduce the burden of water pump when satisfying the requirement of controller pressure loss.
In order to further reduce water resistance and improve the heat dissipation effect, an arc-shaped chamfer is arranged on the inlet side of the water channel, which is away from the water flow inlet end of the water diversion channel, and an inclined plane or a plane is arranged on the inlet side, which faces the water channel, of the water flow inlet end of the water diversion channel.
In order to further reduce water resistance and improve the heat dissipation effect, an arc-shaped chamfer is arranged on the side, facing the water channel, of the water outlet end of the water diversion channel, and an inclined plane or a plane is arranged on the side, facing the water channel, of the water outlet end of the water diversion channel.
In order to further improve the heat dissipation effect, the flow of each water diversion channel is the same.
In order to further ensure the stability of water flow and avoid swirling flow, a deflection water channel which deflects towards one side is arranged at the joint of the water channel inlet and the inlet main water channel, and a deflection water channel which deflects towards one side is arranged at the joint of the water channel outlet and the outlet main water channel.
In order to further improve the heat dissipation effect, the cross section area of the inlet main water channel or the outlet main water channel is larger than the sum of the cross section areas of the water diversion channels.
In order to further improve the heat dissipation effect and reduce water resistance, the water channel inlet and the water channel outlet are arranged on the same side of the heat dissipation shell, the inlet main water channel and the outlet main water channel are arranged in parallel, and the water diversion channels are arranged in parallel.
In order to further improve the heat dissipation effect, a water diversion channel is arranged on the mounting boss on the outermost side, and two parallel water diversion channels are arranged on the rest mounting bosses.
A controller comprises the heat dissipation structure, a power element installation cavity is formed between every two adjacent installation bosses, and a water diversion channel is arranged in the installation bosses and close to a power element.
Has the advantages that:
the utility model discloses a controller and heat radiation structure of controller has adopted the water-cooling heat dissipation mode. And through the arrangement mode of the series-parallel main water channel water diversion channel, the water diversion channel is arranged on the inner side surface of each mounting boss provided with the power element, and the flow channel of each water diversion channel adopts a wave-shaped design, so that when the cooling liquid flows to the middle of the water diversion channel, the cooling liquid can continuously impact the corrugated side wall of the water diversion channel by utilizing the water flow pressure, further the heat generated by the power element during working can be taken away to the maximum degree, and the heat dissipation effect is good.
Moreover, through the structural design of the water channel, the main water channel is provided with a deflection water channel, the inlet side of the back water channel of the water flow inlet end of the water diversion channel is provided with an arc-shaped chamfer, and the inlet side of the water inlet channel is provided with an inclined plane or a plane; an arc chamfer is arranged on the side of the water outlet of the water flow outlet end of the water diversion channel, and an inclined plane or a plane is arranged on the side of the water outlet of the water channel; the water resistance can be reduced, and the pressure loss is ensured to be within the standard range of the controller; and moreover, the water flow in each set of water diversion channel can be ensured to be sufficient, the swirling flow at the joint of the main water channel and the water diversion channel is avoided, and the stability of the water flow is ensured. The heat dissipation effect is improved.
Drawings
FIG. 1 is a first isometric view of a heat sink housing of a controller according to an embodiment;
FIG. 2 is a second isometric view of the heat sink housing of the controller of the embodiment;
FIG. 3 is a top view of a heat sink housing of the controller of an embodiment;
FIG. 4 is an enlarged view B of FIG. 3;
fig. 5 is an enlarged view C of fig. 3.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or replacements within the basic spirit of the embodiments still fall within the scope of the present invention claimed in the claims.
Example (b): as shown in fig. 1 to 5, the present embodiment provides a heat dissipation structure for dissipating heat from a power element on a motor controller. The motor controller can be applied to new energy automobiles, motor tricycles or other products needing to be provided with motors. The controller in this embodiment adopts a water cooling method to dissipate heat.
The heat radiation structure of the controller of this embodiment, including heat dissipation casing 1, heat dissipation casing is the basis that is used for installing controller power component, one side face of heat dissipation casing is provided with the protruding boss 11 that is used for installing the casing that makes progress all around, the boss encloses the synthetic cavity that is used for installing power component be provided with the horizontal boss 12 that is used for installing power component in the cavity, terminal surface about horizontal boss with the boss is connected. The other side face of heat dissipation casing is provided with water course structure 2, the water course structure has water course entry 21 and water course export 22, the water course entry is connected with entry main water course 23, the water course export is connected 24 with export main water course be provided with many parallelly connected water diversion channels 25 between entry main water course and the export main water course. The inlet main water channel and the outlet main water channel are arranged along bosses at two sides, and each water diversion channel transversely penetrates through the transverse boss and is connected with the main water channel. Specifically, the main water channel is arranged along the longitudinal direction, and the water distribution channels are arranged in parallel along the transverse direction. And the runner of the water diversion channel along the water flow direction is arranged in a wave shape.
And because a power element mounting cavity is formed between two adjacent transverse bosses, when the power element is mounted in the power element mounting cavity for working, the generated heat is firstly transferred to the mounting bosses. Therefore, the water diversion channel is arranged on the mounting boss, so that heat dissipation of the power element can be realized.
In this embodiment, only one side of the horizontal bosses disposed at both sides is provided with the power element, so that only one water diversion channel is disposed in each of the horizontal bosses at both sides. And because the power elements are arranged on both sides of the transverse boss positioned in the middle part, two water diversion channels are arranged in the transverse boss in the middle part, and the two water diversion channels are arranged close to the side wall of the transverse boss as much as possible.
As is well known to those skilled in the art, the power element cannot contact with water, and therefore, neither the main water channel nor the branch water channel penetrates through the side of the heat dissipation housing where the power element is installed, but the depth of the water channel is increased as much as possible while ensuring the strength, thereby improving the heat dissipation effect. In this embodiment, since the height of the mounting bosses is higher than the heights of the bosses on the two sides, the depth of the water diversion channel can be larger than that of the main water channel, but the joint of the bottom surface of the water diversion channel and the bottom surface of the main water channel is in smooth transition joint.
As another embodiment in this embodiment, an arc-shaped chamfer a26 is disposed on an inlet side of a water channel behind the water flow inlet end of the water diversion channel, an inclined plane or a plane a27 is disposed on an inlet side of a water channel facing the water flow inlet end of the water diversion channel, the water diversion channel near the water channel inlet may be set to be an inclined plane to introduce the water flow with larger kinetic energy into the water diversion channel, and the water diversion channel far from the water channel opening may be set to be a plane to introduce the water flow with smaller kinetic energy into the water diversion channel. As another implementation manner in this embodiment, an arc-shaped chamfer B28 is provided on a side of the water outlet end of the water diversion channel opposite to the water outlet side, and an inclined surface or a plane B29 is provided on a side of the water outlet end of the water diversion channel opposite to the water outlet side. The diversion channel near the inlet of the water channel can be set to be an inclined plane so as to lead the water flow with larger kinetic energy out of the diversion channel, and the diversion channel at the far water channel opening can be set to be a plane so as to lead the water flow with smaller kinetic energy out of the diversion channel. And the flow of each water diversion channel can be designed to be the same through software simulation. Such design can make rivers smoothly flow into the water knockout drum by main water course in, and guarantee that each water course all has better radiating effect.
In another embodiment of the present invention, a deflection waterway a31 is provided at a junction between the waterway inlet and the inlet main waterway, and a deflection waterway B32 is provided at a junction between the waterway outlet and the outlet main waterway. Through the design, water flow can smoothly flow into the main water channel from the water channel inlet, and the occurrence of swirling flow is avoided.
As another implementation in this embodiment, the cross-sectional area of the inlet or outlet main channel is greater than the sum of the cross-sectional areas of the shunt channels.
As another implementation manner in this embodiment, the water channel inlet and the water channel outlet are disposed on the same side of the heat dissipation housing, the inlet main water channel and the outlet main water channel are disposed in parallel, and the water diversion channels are disposed in parallel.
In the heat dissipation structure of the controller according to this embodiment, the cooling water flows from the inlet of the water channel into the inlet main water channel through the deflection water channel, flows from the inlet main water channel into each of the branch water channels, flows into the outlet main water channel through the branch water channels, and finally flows out from the outlet of the water channel.
The setting mode of this embodiment through the series-parallel main water course diversion channel, sets up the diversion channel through the medial surface at each installation boss that is provided with power component to the runner of each diversion channel adopts the wave design, makes when the flow of diversion channel flows, can utilize rivers pressure to strike the corrugated lateral wall of diversion channel constantly, and then the heat that the power component during operation produced must be taken away to the at utmost, and the radiating effect is good.
Moreover, through the structural design of the water channel of the embodiment, a deflection water channel is arranged at the main water channel, an arc-shaped chamfer is arranged on the inlet side of a back water channel at the water flow inlet end of the water diversion channel, and an inclined plane is arranged on the inlet side of a water inlet channel; an arc chamfer is arranged on the side of the water outlet of the back water channel at the water flow outlet end of the water diversion channel, and an inclined plane is arranged on the side of the water outlet of the water channel; the water resistance can be reduced, the pressure loss is guaranteed to be within the standard range of the controller, and the pressure of the water pump is relieved. And moreover, the water flow in each set of water diversion channel can be ensured to be sufficient, the swirling flow at the joint of the main water channel and the water diversion channel is avoided, the stability of the water flow is ensured, and the heat dissipation effect is improved.
Claims (24)
1. The utility model provides a heat radiation structure of controller, includes the heat dissipation casing, one side face of heat dissipation casing is provided with the horizontal boss that is used for installing power element the opposite side face of heat dissipation casing is provided with the water course structure, the water course structure has water course entry and water course export, its characterized in that: the water channel inlet is connected with the inlet main water channel, the water channel outlet is connected with the outlet main water channel, a plurality of shunt canals which are connected in parallel are arranged between the inlet main water channel and the outlet main water channel, each shunt canal transversely penetrates through the transverse boss respectively, and the shunt canals are arranged in a wave shape along the flow channel of the water flow direction.
2. The heat dissipation structure of a controller according to claim 1, wherein: an arc-shaped chamfer is arranged on the inlet side of the back water channel of the water flow inlet end of the water diversion channel, and an inclined plane or a plane is arranged on the inlet side of the water channel facing the water flow inlet end of the water diversion channel.
3. The heat dissipation structure of a controller according to claim 1 or 2, wherein: an arc-shaped chamfer is arranged on the side, facing the water channel, of the water flow outlet end of the water diversion channel, and an inclined plane or a plane is arranged on the side, facing the water channel, of the water flow outlet end of the water diversion channel.
4. The heat dissipation structure of a controller according to claim 1 or 2, wherein: the flow of each water diversion channel is the same.
5. The heat dissipation structure of a controller according to claim 3, wherein: the flow of each water diversion channel is the same.
6. The heat dissipation structure of a controller according to claim 1, 2 or 5, wherein: the joint of the water channel inlet and the inlet main water channel is provided with a deflection water channel deflected to one side, and the joint of the water channel outlet and the outlet main water channel is provided with a deflection water channel deflected to one side.
7. The heat dissipation structure of a controller according to claim 3, wherein: the joint of the water channel inlet and the inlet main water channel is provided with a deflection water channel deflected to one side, and the joint of the water channel outlet and the outlet main water channel is provided with a deflection water channel deflected to one side.
8. The heat dissipation structure of a controller according to claim 4, wherein: the joint of the water channel inlet and the inlet main water channel is provided with a deflection water channel deflected to one side, and the joint of the water channel outlet and the outlet main water channel is provided with a deflection water channel deflected to one side.
9. The heat dissipation structure of a controller as claimed in claim 1, 2, 5, 7 or 8, wherein: the cross section area of the inlet main water channel or the outlet main water channel is larger than the sum of the cross section areas of the water diversion channels.
10. The heat dissipation structure of a controller according to claim 3, wherein: the cross section area of the inlet main water channel or the outlet main water channel is larger than the sum of the cross section areas of the water diversion channels.
11. The heat dissipation structure of a controller according to claim 4, wherein: the cross section area of the inlet main water channel or the outlet main water channel is larger than the sum of the cross section areas of the water diversion channels.
12. The heat dissipation structure of a controller according to claim 6, wherein: the cross section area of the inlet main water channel or the outlet main water channel is larger than the sum of the cross section areas of the water diversion channels.
13. The heat dissipation structure of a controller according to claim 1, 2, 5, 7, 8, 10, 11, or 12, wherein: the water channel inlet and the water channel outlet are arranged on the same side of the heat dissipation shell, the inlet main water channel and the outlet main water channel are arranged in parallel, and the water diversion channels are arranged in parallel.
14. The heat dissipation structure of a controller according to claim 3, wherein: the water channel inlet and the water channel outlet are arranged on the same side of the heat dissipation shell, the inlet main water channel and the outlet main water channel are arranged in parallel, and the water diversion channels are arranged in parallel.
15. The heat dissipation structure of a controller according to claim 4, wherein: the water channel inlet and the water channel outlet are arranged on the same side of the heat dissipation shell, the inlet main water channel and the outlet main water channel are arranged in parallel, and the water diversion channels are arranged in parallel.
16. The heat dissipation structure of a controller according to claim 6, wherein: the water channel inlet and the water channel outlet are arranged on the same side of the heat dissipation shell, the inlet main water channel and the outlet main water channel are arranged in parallel, and the water diversion channels are arranged in parallel.
17. The heat dissipation structure of a controller according to claim 9, wherein: the water channel inlet and the water channel outlet are arranged on the same side of the heat dissipation shell, the inlet main water channel and the outlet main water channel are arranged in parallel, and the water diversion channels are arranged in parallel.
18. The heat dissipation structure of a controller as claimed in claim 1, 2, 5, 7, 8, 10, 11, 12, 14, 15, 16 or 17, wherein: the mounting boss on the outermost side is provided with a water diversion channel, and the rest mounting bosses are provided with two parallel water diversion channels.
19. The heat dissipation structure of a controller according to claim 3, wherein: the mounting boss on the outermost side is provided with a water diversion channel, and the rest mounting bosses are provided with two parallel water diversion channels.
20. The heat dissipation structure of a controller according to claim 4, wherein: the mounting boss on the outermost side is provided with a water diversion channel, and the rest mounting bosses are provided with two parallel water diversion channels.
21. The heat dissipation structure of a controller according to claim 6, wherein: the mounting boss on the outermost side is provided with a water diversion channel, and the rest mounting bosses are provided with two parallel water diversion channels.
22. The heat dissipation structure of a controller according to claim 9, wherein: the mounting boss on the outermost side is provided with a water diversion channel, and the rest mounting bosses are provided with two parallel water diversion channels.
23. The heat dissipation structure of a controller according to claim 13, wherein: the mounting boss on the outermost side is provided with a water diversion channel, and the rest mounting bosses are provided with two parallel water diversion channels.
24. A controller comprising the heat dissipating structure of any of the preceding claims, wherein: and a power element mounting cavity is formed between every two adjacent mounting bosses, and the water diversion channel is arranged in the mounting bosses and close to the power element.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019224632872 | 2019-12-31 | ||
| CN201922463287 | 2019-12-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212544408U true CN212544408U (en) | 2021-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021581484.0U Active CN212544408U (en) | 2019-12-31 | 2020-08-03 | Controller and heat radiation structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212544408U (en) |
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2020
- 2020-08-03 CN CN202021581484.0U patent/CN212544408U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230817 Address after: 400054 Second Floor of 12 Blocks 126 Yunan Avenue, Banan District, Chongqing Patentee after: Chongqing Zongshen Jiyan Mechanical and Electrical Technology Co.,Ltd. Address before: 400054 2nd floor, building 7, 126 Yunan Avenue, Banan District, Chongqing Patentee before: Chongqing Zongshen Electronic Technology Co.,Ltd. |