Auxiliary cooling device for electric vehicle controller and electric vehicle

Abstract

The utility model relates to electric motor car controller technical field especially, electric motor car controller's supplementary cooling device and electric motor car of kind are provided, electric motor car controller's supplementary cooling device's structure includes device support, cover is established in the top of controller and the first end part of controller, the device support is opened with the vent hole at the position of corresponding the first end part of controller, be provided with a plurality of heat dissipation plates on the device support, and the fan is set up at the vent hole, the fan faces the first end part of controller. Electric motor car controller's supplementary cooling device and electric motor car can solve the problem that natural air cooling is difficult to satisfy the cooling demand of user to electric motor car controller.

Description

Technical Field

[0001] This application relates to the field of electric vehicle controller technology, and in particular to an auxiliary cooling device for an electric vehicle controller and an electric vehicle. Background Technology

[0002] As a key component of electric vehicles, the controller plays a crucial role in the vehicle's operation. Currently, most electric vehicle controllers on the market primarily use natural air cooling for heat dissipation.

[0003] However, this method has significant shortcomings in practical applications: when natural air cooling is needed to cool the controller, the user must stop the electric vehicle, and the cooling process takes a considerable amount of time. This not only significantly affects the normal use of the electric vehicle but also makes it difficult to fully guarantee the safety and performance stability of the controller. Utility Model Content

[0004] In view of this, the purpose of this application is to provide an auxiliary cooling device for an electric vehicle controller and an electric vehicle, so as to solve the problem that natural air cooling cannot meet the cooling needs of users for electric vehicle controllers.

[0005] According to a first aspect of the present invention, an auxiliary cooling device for an electric vehicle controller is provided, wherein the auxiliary cooling device for the electric vehicle controller includes: a device bracket covering the top of the controller and the first end of the controller, the device bracket having a ventilation hole at a position corresponding to the first end of the controller, and a plurality of heat dissipation plates disposed on the device bracket; and a fan disposed at the ventilation hole, the fan facing the first end of the controller.

[0006] Preferably, the device support includes: a first plate portion covering the top of the controller and connected to the controller; and a second plate portion covering a first end of the controller and connected to the first plate portion, the second plate portion being perpendicular to the first plate portion.

[0007] Preferably, the plurality of heat sinks include a first heat sink, which is disposed on the side of the first plate portion near the controller, the plurality of first heat sinks protruding from the first plate portion, and the plurality of first heat sinks are spaced apart along the length direction of the first plate portion.

[0008] Preferably, the plurality of heat sinks include a second heat sink, which is disposed on the side of the second plate portion away from the controller, the plurality of second heat sinks protruding from the second plate portion, and the plurality of second heat sinks are spaced apart along the length direction of the second plate portion.

[0009] Preferably, a flat plate is provided on the side of the second plate that is away from the controller, the ventilation hole is formed in the center of the flat plate, the second heat sink is provided on both sides of the flat plate, and the fan is mounted on the flat plate.

[0010] Preferably, there are two plate sections, which are spaced apart along the length of the second plate section, and the two fans are respectively mounted on the two plate sections.

[0011] Preferably, the first heat sink is disposed in the middle of the first plate portion, and the first heat sink is in contact with the top of the controller. A positioning component is also provided on the outer periphery of the first plate portion, and the first plate portion is mounted to the controller through the positioning component.

[0012] Preferably, the positioning component includes a boss portion, two boss portions are respectively disposed at both ends of the first plate portion in the length direction, the two boss portions are respectively in contact with the connecting plates located at both ends of the controller, the boss portion is provided with a positioning pin, the connecting plate is provided with a first positioning hole, and the two positioning pins are simultaneously inserted into the two first positioning holes.

[0013] Preferably, the positioning component further includes a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are respectively disposed at both ends of the length direction of the first plate, the first mounting hole and the second mounting hole correspond to the positions of the second positioning holes located at both ends of the controller, the first mounting hole is a circular hole and the second mounting hole is an oblong hole.

[0014] According to a second aspect of the present invention, an electric vehicle is provided, wherein the electric vehicle includes a controller and an auxiliary cooling device for the electric vehicle controller as described above, the auxiliary cooling device for the electric vehicle controller being installed on the controller.

[0015] This utility model discloses an auxiliary cooling device for an electric vehicle controller and an electric vehicle. The device bracket covers the top of the controller and its first end. The bracket has ventilation holes at the corresponding positions of the first end of the controller, and multiple heat dissipation plates are mounted on the bracket. The bracket contacts the controller to accelerate heat dissipation. A fan is positioned at the ventilation holes, facing the first end of the controller. The fan generates airflow, which passes through the ventilation holes to reach the controller and carry away heat, thereby cooling the controller. This effectively solves the problem that natural air cooling is insufficient to meet the cooling needs of users for electric vehicle controllers.

[0016] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of an auxiliary cooling device for an electric vehicle controller according to the present invention.

[0019] Figure 2 This is a schematic diagram from another angle of the auxiliary cooling device for the electric vehicle controller according to this utility model.

[0020] Figure 3 This is a schematic diagram of the auxiliary cooling device for an electric vehicle controller according to this utility model installed on the controller.

[0021] Reference numerals: 1-device bracket; 10-ventilation hole; 11-first plate; 12-second plate; 2-fan; 31-first heat sink; 32-second heat sink; 40-protrusion; 400-locating pin; 41-first mounting hole; 42-second mounting hole; 5-controller; 50-connecting plate; 51-first positioning hole; 52-second positioning hole. Detailed Implementation

[0022] The following detailed embodiments are provided to help the reader gain a comprehensive understanding of the methods, apparatus, and / or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and / or systems described herein will be apparent after understanding the disclosure of this application. For example, the order of operations described herein is merely illustrative and is not limited to the order set forth herein; changes that will be apparent after understanding the disclosure of this application are possible, except for operations that must occur in a specific order. Furthermore, for clarity and brevity, descriptions of features known in the art may be omitted.

[0023] The features described herein may be implemented in different forms and should not be construed as being limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many feasible ways of implementing the methods, apparatus, and / or systems described herein that will be apparent upon understanding the disclosure of this application.

[0024] Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on" another element, "connected to" another element, "bonded to" another element, "on" another element, or "covering" another element, it may be directly "on" another element, "connected to" another element, "bonded to" another element, "on" another element, or "covering" another element, or there may be one or more other elements in between. In contrast, when an element is described as being "directly on" another element, "directly connected to" another element, "directly bonded to" another element, "directly on" another element, or "directly covering" another element, there may be no other elements in between.

[0025] As used herein, the term “and / or” includes any one of the relevant items listed and any combination of any two or more items.

[0026] Although terms such as “first,” “second,” and “third” may be used herein to describe individual components, assemblies, regions, layers, or parts, these components, assemblies, regions, layers, or parts are not limited by these terms. Rather, these terms are used only to distinguish one component, assembly, region, layer, or part from another. Therefore, without departing from the teachings of the examples described herein, the first component, assembly, region, layer, or part referred to as the second component, assembly, region, layer, or part may also be referred to as the second component, assembly, region, layer, or part.

[0027] For ease of description, spatial relation terms such as “above,” “upper,” “below,” and “lower” are used herein to describe the relationship between one element and another, as shown in the accompanying drawings. Such spatial relation terms are intended to include not only the orientation depicted in the drawings but also different orientations of the device during use or operation. For example, if the device in the drawings is flipped, an element described as being “above” or “upper” relative to another element will subsequently be “below” or “lower” relative to that other element. Therefore, the term “above” includes both “above” and “below” orientations depending on the spatial orientation of the device. The device may also be positioned in other ways (e.g., rotated 90 degrees or in other orientations), and the spatial relation terms used herein will be interpreted accordingly.

[0028] The terminology used herein is for the purpose of describing various examples only and is not intended to limit the examples. Unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. The terms “comprising,” “including,” and “having” enumerate the stated features, quantities, operations, components, elements, and / or combinations thereof, but do not exclude the presence or addition of one or more other features, quantities, operations, components, elements, and / or combinations thereof.

[0029] Variations in the shapes shown in the accompanying drawings may occur due to manufacturing techniques and / or tolerances. Therefore, the examples described herein are not limited to the specific shapes shown in the accompanying drawings, but include changes in shape that may occur during manufacturing.

[0030] The features of the examples described herein can be combined in various ways that will be apparent upon understanding the disclosure of this application. Furthermore, although the examples described herein have a wide variety of constructions, other constructions are possible, as will be apparent upon understanding the disclosure of this application.

[0031] like Figures 1 to 3 As shown, according to a first aspect of the present invention, an auxiliary cooling device for an electric vehicle controller is provided, the auxiliary cooling device for an electric vehicle controller including a device bracket 1 and a fan 2.

[0032] In the following description, reference will be made to Figures 1 to 3 The specific structure of the components of the auxiliary cooling device used in electric vehicle controllers and the connection relationship of the components are described in detail.

[0033] like Figures 1 to 3 As shown, in this embodiment, the device bracket 1 can cover the top of the controller 5 and the first end of the controller 5. The first end of the controller 5 can be the end in the width direction of the controller 5. The device bracket 1 can have a ventilation hole 10 at the position corresponding to the first end of the controller 5 for ventilation and heat dissipation. The device bracket 1 can also be provided with multiple heat dissipation plates to improve the heat dissipation speed of the device bracket 1. The device bracket 1 can be in contact with the controller 5 to accelerate the heat dissipation of the controller 5. The fan 2 can be set at the ventilation hole 10, and the fan 2 can face the first end of the controller 5 to generate airflow. The airflow can reach the controller 5 through the ventilation hole 10 of the device bracket 1 and carry away the heat generated by the controller 5, thereby cooling the controller 5.

[0034] Preferred, such as Figures 1 to 3As shown, in this embodiment, the device bracket 1 may include a first plate portion 11 and a second plate portion 12. The first plate portion 11 may cover the top of the controller 5. The shape of the first plate portion 11 may be approximately rectangular. The first plate portion 11 may contact the top of the controller 5 for heat exchange. The first plate portion 11 is connected to the controller 5, allowing the auxiliary cooling device for the electric vehicle controller to be fixed to the controller 5. The second plate portion 12 may cover the first end of the controller 5. The shape of the second plate portion 12 may be approximately rectangular, and the long side of the second plate portion 12 is connected to the long side of the first plate portion 11. Preferably, the second plate portion 12 may be integrally formed with the first plate portion 11, and the second plate portion 12 may be perpendicular to the first plate portion 11.

[0035] Preferred, such as Figures 1 to 3 As shown, in this embodiment, the plurality of heat sinks may include first heat sinks 31, and the number of first heat sinks 31 may be multiple. Specifically, the plurality of first heat sinks 31 may be disposed on the side of the first plate portion 11 near the controller 5. The first heat sinks 31 may protrude from the first plate portion 11. Preferably, the first heat sinks 31 may be disposed perpendicular to the first plate portion 11, and the length direction of the first heat sinks 31 may be perpendicular to the length direction of the first plate portion 11. The length of the first heat sinks 31 is less than the width of the first plate portion 11, and the plurality of first heat sinks 31 may be disposed at intervals along the length direction of the first plate portion 11, thereby enabling as many first heat sinks 31 as possible to be disposed on the plate surface of the first plate portion 11.

[0036] Preferred, such as Figures 1 to 3 As shown, in this embodiment, the plurality of heat sinks may further include second heat sinks 32, and the number of second heat sinks 32 may be plurality of. Specifically, the plurality of second heat sinks 32 may be disposed on the side of the second plate portion 12 away from the controller 5. The second heat sinks 32 may protrude from the second plate portion 12. Preferably, the second heat sinks 32 may be disposed perpendicular to the second plate portion 12, and the length direction of the second heat sinks 32 may be perpendicular to the length direction of the second plate portion 12. The two ends of the first heat sink 31 in the length direction may extend to the two ends in the width direction of the second plate portion 12. The plurality of second heat sinks 32 may be disposed at intervals along the length direction of the second plate portion 12.

[0037] Further optimized, such as Figures 1 to 3As shown, in this embodiment, a square flat plate can be provided on the second plate 12. This flat plate can be located on the side of the second plate 12 away from the controller 5, for mounting the fan 2. Mounting holes for bolts can be provided at the four corners of the flat plate. The ventilation hole 10 can be formed in the center of the flat plate. Multiple second heat sinks 32 can be provided on both sides of the flat plate. The fan 2 (for ease of showing its internal structure)... Figure 1 The fan 2 (not shown) may have a block-shaped frame on its exterior. The four corners of the frame are bolted to the flat plate. In this case, the fan 2 can face the ventilation hole 10 to blow air into the ventilation hole 10 for heat dissipation.

[0038] Furthermore, preferably, such as Figures 1 to 3 As shown, in this embodiment, the number of flat plates on the second plate portion 12 can be two. Specifically, the two flat plates can be arranged at intervals along the length of the second plate portion 12. Second heat sinks 32 are provided between the two flat plates and on both sides of the flat plates. Two ventilation holes 10 can be respectively arranged in the center of the two flat plates, so that two fans 2 can be mounted on the two flat plates.

[0039] In addition, preferred, such as Figure 2 and Figure 3 As shown, in this embodiment, the first heat sink 31 can be disposed in the middle of the first plate portion 11, and the end of the first heat sink 31 can contact the top of the controller 5 to facilitate heat exchange between the first plate portion 11 and the controller 5. A positioning component can also be disposed on the outer periphery of the first plate portion 11, through which the first plate portion 11 can be mounted on the controller 5.

[0040] Preferred, such as Figure 2 and Figure 3 As shown, in this embodiment, the positioning component may include two square bosses 40. The two bosses 40 may be respectively disposed at both ends of the first plate portion 11 along its length. The two bosses 40 may protrude from the surface of the first plate portion 11 and respectively contact two connecting plates 50 located at both ends of the controller 5. Positioning pins 400 may be provided on the bosses 40, and first positioning holes 51 may be provided on the connecting plates 50 of the controller 5. The two positioning pins 400 can simultaneously pass through the two first positioning holes 51, thereby achieving positioning of the first plate portion 11 at its installation position.

[0041] Further optimized, such as Figure 2 and Figure 3As shown, in this embodiment, the positioning component may further include a first mounting hole 41 and a second mounting hole 42. The first mounting hole 41 and the second mounting hole 42 may be respectively located at both ends of the first plate portion 11 along its length. A second positioning hole 52 may be provided on the connecting plate 50 of the controller 5. The first mounting hole 41 and the second mounting hole 42 may correspond to the positions of the second positioning holes 52 located at both ends of the controller 5. This arrangement allows both ends of the first plate portion 11 to be fixed to the connecting plates 50 at both ends of the controller 5 by bolts. Preferably, the first mounting hole 41 may be a circular hole, and the second mounting hole 42 may be an oblong hole, which facilitates the assembly between the first plate portion 11 and the connecting portion.

[0042] Furthermore, according to a second aspect of this utility model, an electric vehicle is provided, the electric vehicle including a controller 5 and an auxiliary cooling device for the electric vehicle controller as described above. The auxiliary cooling device for the electric vehicle controller can be installed on the controller 5.

[0043] During use, the auxiliary cooling device for the electric vehicle controller can exchange heat with the controller 5 through contact and accelerate heat dissipation through the heat sink. The fan 2 of the auxiliary cooling device for the electric vehicle controller can generate airflow to remove the heat from the controller 5. Specifically, the fan 2 can be turned on when the temperature of the controller 5 is higher than the preset temperature to dissipate heat from the controller 5, and turned off when the temperature of the controller 5 is lower than the preset temperature to save power.

[0044] Finally, it should be noted that the above-described embodiments are merely specific implementations of this application, used to illustrate the technical solutions of this application, and not to limit them. The protection scope of this application is not limited thereto. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that any person skilled in the art can still modify or easily conceive of changes to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features, within the technical scope disclosed in this application. Such modifications, changes, or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application, and should all be covered within the protection scope of this application. Therefore, the protection scope of this application should be determined by the protection scope of the claims.

Claims

1. An auxiliary cooling device for an electric vehicle controller, disposed in the controller, characterized in that, The auxiliary cooling device for the electric vehicle controller includes: A device bracket, covering the top of the controller and the first end of the controller, has ventilation holes at positions corresponding to the first end of the controller, and multiple heat dissipation plates are provided on the device bracket; and A fan is disposed at the ventilation hole, and the fan faces the first end of the controller.

2. The auxiliary cooling device for electric vehicle controller according to claim 1, characterized in that, The device support includes: A first plate, covering the top of the controller, is connected to the controller; and A second plate covers the first end of the controller, the second plate is connected to the first plate, and the second plate is perpendicular to the first plate.

3. The auxiliary cooling device for an electric vehicle controller according to claim 2, characterized in that, The plurality of heat sinks include a first heat sink disposed on the side of the first plate portion near the controller, the plurality of first heat sinks protruding from the first plate portion, and the plurality of first heat sinks being spaced apart along the length direction of the first plate portion.

4. The auxiliary cooling device for electric vehicle controller according to claim 3, characterized in that, The plurality of heat sinks include a second heat sink disposed on the side of the second plate portion away from the controller, the plurality of second heat sinks protruding from the second plate portion, and the plurality of second heat sinks being spaced apart along the length direction of the second plate portion.

5. The auxiliary cooling device for electric vehicle controller according to claim 4, characterized in that, A flat plate is provided on the side of the second plate that is away from the controller. The ventilation hole is formed in the center of the flat plate. The second heat sink is provided on both sides of the flat plate. The fan is mounted on the flat plate.

6. The auxiliary cooling device for electric vehicle controller according to claim 5, characterized in that, There are two plate sections, which are spaced apart along the length of the second plate section, and the two fans are respectively mounted on the two plate sections.

7. The auxiliary cooling device for electric vehicle controller according to claim 3, characterized in that, The first heat sink is disposed in the middle of the first plate portion and is in contact with the top of the controller. A positioning component is also disposed on the outer periphery of the first plate portion, and the first plate portion is mounted to the controller through the positioning component.

8. The auxiliary cooling device for electric vehicle controller according to claim 7, characterized in that, The positioning component includes a boss portion, with two boss portions respectively disposed at both ends of the length direction of the first plate portion. The two boss portions respectively contact the connecting plates located at both ends of the controller. The boss portion is provided with a positioning pin, and the connecting plate is provided with a first positioning hole. The two positioning pins are simultaneously inserted into the two first positioning holes.

9. The auxiliary cooling device for electric vehicle controller according to claim 7, characterized in that, The positioning component further includes a first mounting hole and a second mounting hole, which are respectively located at both ends of the first plate in the length direction. The first mounting hole and the second mounting hole correspond to the positions of the second positioning holes located at both ends of the controller. The first mounting hole is a circular hole and the second mounting hole is an oblong hole.

10. An electric vehicle, characterized by The electric vehicle includes a controller and an auxiliary cooling device for the electric vehicle controller according to any one of claims 1 to 9, wherein the auxiliary cooling device for the electric vehicle controller is installed on the controller.

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