CN109475069B - Controller containing annular flow guide cavity - Google Patents
Controller containing annular flow guide cavity Download PDFInfo
- Publication number
- CN109475069B CN109475069B CN201811114357.7A CN201811114357A CN109475069B CN 109475069 B CN109475069 B CN 109475069B CN 201811114357 A CN201811114357 A CN 201811114357A CN 109475069 B CN109475069 B CN 109475069B
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- Prior art keywords
- controller
- annular flow
- shell
- controller shell
- flow
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses a controller with an annular flow guide cavity, which comprises a controller main body, a controller shell and a fixed auxiliary frame, wherein the controller main body is provided with a plurality of flow guide cavities; the fixed auxiliary frame is arranged on the controller shell, and the controller main body is arranged in the inner cavity of the controller shell; the periphery of the controller shell is provided with a plurality of heat dissipation grooves, the heat dissipation grooves extend along the length direction of the controller shell, a plurality of annular flow guide cavities are arranged in the shell wall of the controller shell, the annular flow guide cavities encircle the inner cavity of the controller shell, the plurality of annular flow guide cavities are distributed in sequence along the length direction of the controller shell, and the heat dissipation grooves are communicated with the annular flow guide cavities. The invention has the advantages of stable structure, excellent air circulation effect and the like.
Description
Technical Field
The invention relates to the technical field of electric vehicle controllers, in particular to a controller with an annular flow guide cavity.
Background
The electric vehicle is generally characterized in that a battery is used as an energy source, electric energy is converted into mechanical energy to move through the cooperation of components such as a controller and a motor, the speed of the vehicle is changed through controlling the size of current, the electric vehicle saves energy, the environment is protected, the consumption scale is expanding year by year, but the current controller has a plurality of problems, such as out-of-control of the controller when rainwater is large, the temperature of the controller is higher after long-term working, short circuit and damage and the like are easy to occur, the thickness of the shell of the current part of the controller is thinner, and deformation and damage are easy to occur in the transportation and installation processes.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a controller with an annular flow guide cavity, which has the characteristics of stable structure and excellent air circulation effect.
The invention provides a controller with an annular flow guide cavity, which comprises a controller main body, a controller shell and a fixed auxiliary frame, wherein the controller main body is provided with a plurality of flow guide grooves;
the fixed auxiliary frame is arranged on the controller shell, and the controller main body is arranged in the inner cavity of the controller shell; the periphery of the controller shell is provided with a plurality of heat dissipation grooves, the heat dissipation grooves extend along the length direction of the controller shell, a plurality of annular flow guide cavities are arranged in the shell wall of the controller shell, the annular flow guide cavities encircle the inner cavity of the controller shell, the plurality of annular flow guide cavities are distributed in sequence along the length direction of the controller shell, and the heat dissipation grooves are communicated with the annular flow guide cavities.
Preferably, the device further comprises a plurality of flow guiding devices, and the flow guiding devices are arranged in the annular flow guiding cavity;
the flow guiding device comprises two mounting rings, a flow guiding column and a gravity ball, wherein the two mounting rings are rotatably arranged in the annular flow guiding cavity, two ends of the flow guiding column are respectively connected with the two mounting rings, the flow guiding column is provided with a flow storage hole, and the gravity ball is arranged in the flow storage hole.
Preferably, the guide column is a triangular prism.
Preferably, the flow guiding device further comprises a flow limiting plate, and the flow limiting plate is arranged in the annular flow guiding cavity and penetrates through the flow storage through hole.
Preferably, the heat sink cross-sectional area increases with increasing depth.
Preferably, a plurality of arc-shaped heat insulation plates are arranged in the controller shell, and the arc-shaped heat insulation plates protrude to one side far away from the center of the inner cavity of the controller shell.
Preferably, the outer periphery of the controller housing is mounted with a plurality of hemispherical protrusions.
The invention has convenient use and stable structure, and effectively stores air circulation. According to the invention, the heat radiating area of the invention is increased by utilizing the cooperation of the heat radiating groove and the annular flow guide cavity, the annular flow guide cavity is communicated with the heat radiating groove to promote the circulation of air near the controller shell, the plurality of annular flow guide cavities are sequentially distributed along the length direction of the controller shell, the influence of the annular flow guide cavity on the overall stability of the invention can be effectively reduced, the heat conducting distance of the inner cavity of the controller shell is reduced by the annular flow guide cavity, the heat radiating effect is not influenced even if the heat radiating cavity is placed obliquely, and the installation requirement of the invention is reduced.
Drawings
FIG. 1 is a schematic diagram of a controller with an annular flow guiding cavity according to the present invention;
FIG. 2 is a cross-sectional view of a controller housing;
figure 3 is an enlarged view of part of a in figure 2,
Detailed Description
Referring to fig. 1, 2 and 3, the controller provided by the invention comprises a controller main body, a controller shell 2 and a fixed auxiliary frame 3, wherein the controller comprises an annular flow guide cavity;
the fixed auxiliary frame 3 is arranged on the controller shell 2, and the controller main body is arranged in the inner cavity of the controller shell 2; the periphery of the controller shell 2 is provided with a plurality of heat dissipation grooves 21, the heat dissipation grooves 21 extend along the length direction of the controller shell 2, a plurality of annular flow guide cavities 22 are arranged in the shell wall of the controller shell 2, the annular flow guide cavities 22 encircle the inner cavity of the controller shell 2, the plurality of annular flow guide cavities 22 are distributed in sequence along the length direction of the controller shell 2, and the heat dissipation grooves 21 are communicated with the annular flow guide cavities 22.
According to the invention, the heat dissipation area of the invention is increased by matching the heat dissipation groove 21 with the annular flow guide cavity 22, the annular flow guide cavity 22 is communicated with the heat dissipation groove 21 to promote the circulation of air near the controller shell 2, the plurality of annular flow guide cavities 22 are sequentially distributed along the length direction of the controller shell 2, the influence of the annular flow guide cavities 22 on the overall stability of the invention can be effectively reduced, and the annular flow guide cavities 22 reduce the heat conduction distance of the inner cavity of the controller shell 2. The invention has convenient use and stable structure, and effectively stores air circulation. After the cooling effect of the invention is improved, the invention is beneficial to better realizing sealing and structural reinforcement.
In this embodiment, the device further comprises a plurality of flow guiding devices, and the flow guiding devices are installed in the annular flow guiding cavity 22;
the flow guiding device comprises two mounting rings 41, a flow guiding column 42, a gravity ball 43 and a flow limiting plate 44, wherein the two mounting rings 41 are rotatably arranged in the annular flow guiding cavity 22, two ends of the flow guiding column 42 are respectively connected with the two mounting rings 41, a flow storage hole is formed in the flow guiding column 42, the gravity ball 43 is arranged in the flow storage hole, the mounting rings 41 and the flow guiding column 42 are matched to increase the heat dissipation area of the flow guiding device, and the outer surface of the flow guiding column 42 is utilized to guide air, for example, the flow guiding column 42 adopts a triangular prism, so that the flow guiding column 42 can play a good role in guiding any case, therefore, the gravity ball 43 is arranged in the flow storage hole, one side of the gravity ball 43 on the flow guiding column 42 is always arranged below the whole under the action of the gravity ball 43, and the air guiding effect of the flow guiding column 42 can be well realized under the principle of combining the heated rising of air. When the vehicle jolts, the mounting ring 41 is rotatably mounted in the annular flow guide cavity 22, so that the flow guide column 42 can jolt, and air circulation can be better promoted.
In this embodiment, the flow-limiting plate 44 is installed in the annular flow-guiding cavity 22 and penetrates through the flow-storing hole, and viscous liquid is injected into the flow-storing hole of the flow-guiding column 42, so that the shaking frequency of the flow-guiding column 42 can be reduced and the damage possibility of the flow-guiding device can be reduced by matching the viscous liquid with the flow-limiting plate 44.
In the present embodiment, the cross-sectional area of the heat dissipation groove 21 increases with the increase of the depth thereof, and the change of the cross-sectional area of the heat dissipation groove 21 can promote the circulation of air in the vicinity of the heat dissipation groove 21, and can reduce the possibility of water stains and the like entering the annular flow guiding chamber 22.
In this embodiment, a plurality of arc-shaped heat insulation boards 23 are installed in the controller housing 2, the arc-shaped heat insulation boards 23 protrude to one side far away from the center of the inner cavity of the controller housing 2, and the arc-shaped heat insulation boards 23 are matched with the arc-shaped heat insulation boards 23 by utilizing the rising principle of hot air, so that the hot air can rise from the middle of the inner cavity of the controller housing 2, and the air in the inner cavity of the controller housing 2 can circulate by descending from the edge of the controller.
In this embodiment, a plurality of hemispherical protrusions 24 are mounted on the periphery of the controller housing 2, and the hemispherical protrusions 24 can further increase the heat dissipation area of the present invention, and avoid the present invention from contacting other planes, which may cause blockage of a part of the heat dissipation grooves 21.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (6)
1. A controller comprising an annular flow directing chamber, characterized by: comprises a controller main body, a controller shell (2) and a fixed auxiliary frame (3);
the fixed auxiliary frame (3) is arranged on the controller shell (2), and the controller main body is arranged in the inner cavity of the controller shell (2); the periphery of the controller shell (2) is provided with a plurality of radiating grooves (21), the radiating grooves (21) extend along the length direction of the controller shell (2), a plurality of annular flow guide cavities (22) are arranged in the shell wall of the controller shell (2), the annular flow guide cavities (22) encircle the inner cavity of the controller shell (2), the plurality of annular flow guide cavities (22) are distributed in sequence along the length direction of the controller shell (2), and the radiating grooves (21) are communicated with the annular flow guide cavities (22);
the device also comprises a plurality of flow guiding devices, and the flow guiding devices are arranged in the annular flow guiding cavity (22);
the flow guiding device comprises two mounting rings (41), a flow guiding column (42) and a gravity ball (43), wherein the two mounting rings (41) are rotatably arranged in the annular flow guiding cavity (22), two ends of the flow guiding column (42) are respectively connected with the two mounting rings (41), a flow storage through hole is formed in the flow guiding column (42), and the gravity ball (43) is arranged in the flow storage through hole.
2. The controller comprising an annular flow-directing chamber of claim 1, wherein: the guide post (42) is a triangular prism.
3. The controller comprising an annular flow-directing chamber of claim 1, wherein: the deflector further comprises a restrictor plate (44), the restrictor plate (44) being mounted within the annular deflector chamber (22) and passing through the flow storage aperture.
4. The controller comprising an annular flow-directing chamber of claim 1, wherein: the cross-sectional area of the heat sink (21) increases with increasing depth.
5. The controller comprising an annular flow-directing chamber of claim 1, wherein: a plurality of arc-shaped heat insulation plates (23) are arranged in the controller shell (2), and the arc-shaped heat insulation plates (23) protrude to one side far away from the center of the inner cavity of the controller shell (2).
6. The controller comprising an annular flow-directing chamber according to any one of claims 1-5, wherein: a plurality of hemispherical protrusions (24) are installed at the periphery of the controller housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114357.7A CN109475069B (en) | 2018-09-25 | 2018-09-25 | Controller containing annular flow guide cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811114357.7A CN109475069B (en) | 2018-09-25 | 2018-09-25 | Controller containing annular flow guide cavity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109475069A CN109475069A (en) | 2019-03-15 |
| CN109475069B true CN109475069B (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811114357.7A Active CN109475069B (en) | 2018-09-25 | 2018-09-25 | Controller containing annular flow guide cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109475069B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274614Y (en) * | 2008-05-28 | 2009-07-15 | 海尔集团公司 | Housing of electric vehicle controller |
| CN102938992A (en) * | 2012-11-28 | 2013-02-20 | 徐州科亚机电有限公司 | Electric vehicle controller case |
| CN102984901A (en) * | 2012-11-28 | 2013-03-20 | 徐州科亚机电有限公司 | Electric motor car controller housing with air cooling equipment and conducting wires internally |
| WO2017095248A1 (en) * | 2015-12-01 | 2017-06-08 | Brevis S.C. Marek Cwikilewicz, Krzysztof Dzieża | Intake ventilator |
| CN108462283A (en) * | 2018-03-14 | 2018-08-28 | 宿州迅驰电子科技有限公司 | A kind of electronic automobile-used shock-absorbing motor |
-
2018
- 2018-09-25 CN CN201811114357.7A patent/CN109475069B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201274614Y (en) * | 2008-05-28 | 2009-07-15 | 海尔集团公司 | Housing of electric vehicle controller |
| CN102938992A (en) * | 2012-11-28 | 2013-02-20 | 徐州科亚机电有限公司 | Electric vehicle controller case |
| CN102984901A (en) * | 2012-11-28 | 2013-03-20 | 徐州科亚机电有限公司 | Electric motor car controller housing with air cooling equipment and conducting wires internally |
| WO2017095248A1 (en) * | 2015-12-01 | 2017-06-08 | Brevis S.C. Marek Cwikilewicz, Krzysztof Dzieża | Intake ventilator |
| CN108462283A (en) * | 2018-03-14 | 2018-08-28 | 宿州迅驰电子科技有限公司 | A kind of electronic automobile-used shock-absorbing motor |
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| Publication number | Publication date |
|---|---|
| CN109475069A (en) | 2019-03-15 |
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