CN214852485U - Electric vehicle controller and electric vehicle - Google Patents
Electric vehicle controller and electric vehicle Download PDFInfo
- Publication number
- CN214852485U CN214852485U CN202121235090.4U CN202121235090U CN214852485U CN 214852485 U CN214852485 U CN 214852485U CN 202121235090 U CN202121235090 U CN 202121235090U CN 214852485 U CN214852485 U CN 214852485U
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- heat
- circuit board
- radiator
- electric vehicle
- vehicle controller
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Abstract
The utility model relates to an electric motor car technical field especially relates to an electric vehicle controller and electric motor car. The electric vehicle controller comprises a radiator, a circuit board, a heating device and heat conducting glue, wherein the circuit board is arranged on the radiator and is parallel to the bottom surface of the radiator; the heating device is arranged on the circuit board; the heat-conducting glue is arranged between the circuit board and the radiator, and two ends of the heat-conducting glue are respectively abutted against the circuit board and the radiator. The circuit board is provided with a heating device, and heat conducting glue is arranged between one surface of the circuit board, which is close to the radiator, and the radiator. Therefore, heat generated by the circuit board and the heating device is transferred to the radiator through the heat conducting glue, the heat radiating capacity of the radiator is fully exerted, and the stability of the circuit board and the heating device on the circuit board is reduced; in addition, the heat-conducting glue can also play a supporting role on the circuit board, thereby being beneficial to enhancing the stability of the controller and improving the anti-falling and vibration capabilities of the controller.
Description
Technical Field
The utility model relates to an electric motor car technical field especially relates to an electric vehicle controller and electric motor car.
Background
In the existing electric vehicle controller, a main body part mainly comprises a circuit board and a radiator, the circuit board is only contacted with the radiator through an end part, a heating device is connected to the circuit board through tin soldering, and the heating device comprises but is not limited to a power tube, a chip, a current-carrying copper bar, a wiring terminal, a sampling resistor and the like.
There are two main ways of heat dissipation of heat generating devices: 1) air convection; 2) the heat is conducted to the radiator from the connecting end of the circuit board and the radiator, and the heat is radiated through the radiator. The above two heat dissipation methods have obvious disadvantages: except the power tube, the heat of other heating devices can only be transferred to the radiator through air or a circuit board, and the mode has poor heat dissipation, easily causes heat accumulation of the heating devices and temperature rise. The excessive temperature of each component in the controller can not only increase the failure risk and reduce the service life of the controller, but also cause the phenomena of insufficient output power, difficult climbing, shutdown and the like in the driving process of the electric vehicle, and can also generate safety accidents in serious cases.
Therefore, there is a high necessity for an electric vehicle controller to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric vehicle controller improves the circuit board and the radiating effect of the device that generates heat on it, improves the stability of controller performance.
Another object of the utility model is to provide an electric motor car, through using above-mentioned electric vehicle controller, can improve electric motor car power output's stability, avoid appearing power not enough, climbing difficulty and shut down the phenomenon.
In order to realize the purpose, the following technical scheme is provided:
in a first aspect, an electric vehicle controller is provided, including:
a heat sink;
the circuit board is arranged on the radiator and is parallel to the bottom surface of the radiator;
a heat generating device mounted on the circuit board;
and the heat-conducting glue is arranged between the circuit board and the radiator, and two ends of the heat-conducting glue are respectively abutted against the circuit board and the radiator.
As an alternative of the electric vehicle controller, a glue groove is formed in the bottom surface of the radiator, and part of the heat-conducting glue is accommodated in the glue groove.
As an alternative to the electric vehicle controller, the thermally conductive paste includes at least a first portion extending in an extending direction of the heat sink.
As an alternative of the electric vehicle controller, the heat conducting glue further includes second portions, and at least two of the second portions are disposed on the first portion at intervals in parallel in an extending direction of the heat sink.
As an alternative of the electric vehicle controller, the heat-conducting glue is paste-like heat-conducting glue.
As an alternative of the electric vehicle controller, the shore hardness of the heat conducting glue is greater than 30 degrees.
As an alternative of the electric vehicle controller, the shore hardness of the heat-conducting glue is not more than 30 degrees, and a rigid support column is arranged in the heat-conducting glue.
As an alternative of the electric vehicle controller, the radiator is U-shaped, the circuit board is parallel to the bottom surface of the U-shaped radiator, mounting bosses are arranged on two side walls of the radiator, and the edges of the circuit board are overlapped on the mounting bosses.
As electric vehicle controller's alternative, the radiator is the U type, the circuit board with the bottom surface of U type is parallel, be provided with the brace table on the bottom surface of radiator, be provided with the step face on the lateral wall of brace table, be provided with the installation boss on the lateral wall of radiator, the one end of circuit board is taken and is established on the installation boss, and the other end is taken and is established on the step face.
As an alternative of the electric vehicle controller, the radiator is U-shaped, the electric vehicle controller further comprises an end cover and an upper cover, two ends of the radiator are fixedly connected with the end cover in a detachable manner and form a frame structure with one open end, and the upper cover is arranged at the open end of the frame structure.
As an alternative of the electric vehicle controller, the electric vehicle controller further comprises a sealing gasket, and the sealing gasket is arranged between the end cover and the radiator.
As an alternative scheme of the electric vehicle controller, a plurality of heat dissipation teeth arranged in parallel at intervals are arranged on the outer wall of the heat radiator, a positioning block is arranged on the sealing gasket, and the positioning block can be accommodated between two adjacent heat dissipation teeth.
In a second aspect, an electric vehicle is provided, comprising an electric vehicle controller as described above.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an electric vehicle controller, which comprises a radiator, a circuit board, a heating device and heat conducting glue, wherein the circuit board is arranged on the radiator and is parallel to the bottom surface of the radiator; the heating device is arranged on the circuit board; the heat-conducting glue is arranged between the circuit board and the radiator, and two ends of the heat-conducting glue are respectively abutted against the circuit board and the radiator. The heating device is arranged on the circuit board, and then the heat conducting glue is arranged between the circuit board and the radiator, so that heat generated by the circuit board and the heating device is transferred to the radiator through the heat conducting glue, the heat radiating capacity of the radiator is fully exerted, and the stability of the circuit board and the heating device on the circuit board is reduced; in addition, the heat-conducting glue can also play a supporting role on the circuit board, thereby being beneficial to enhancing the stability of the controller and improving the anti-falling and vibration capabilities of the controller.
The utility model provides an electric motor car through using above-mentioned electric vehicle controller, can improve electric motor car power output's stability, avoids appearing power not enough, climbing difficulty and shut down the phenomenon.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electric vehicle controller according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a heat sink, a circuit board, and a heating device provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heat sink according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a heat-conducting adhesive according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a gasket according to an embodiment of the present invention.
Reference numerals:
1-a radiator; 11-glue groove; 12-a support table; 121-step surface; 13-mounting a boss; 14-heat dissipation teeth; 15-connecting holes; 16-limiting convex strips;
2-a circuit board;
3-a heat generating device; 31-a power tube; 32-current carrying copper bars; 33-a connecting terminal; 34-a sampling resistor;
4-heat-conducting glue; 41-first part; 42-a second portion;
5-end cover;
6-a sealing gasket; 61-a positioning block;
7-covering;
8-a support member.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution of the present invention is further described below by referring to the drawings and the detailed description.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1-2, the present embodiment provides an electric vehicle controller, which includes a heat sink 1, a circuit board 2, a heat generating device 3 and a heat conducting adhesive 4, wherein the circuit board 2 is mounted on the heat sink 1 and is parallel to a bottom surface of the heat sink 1; the heat generating device 3 is mounted on the circuit board 2; the heat conducting glue 4 is arranged between the circuit board 2 and the bottom surface of the radiator 1, and two ends of the heat conducting glue 4 are respectively abutted against the circuit board 2 and the radiator 1. The heating device 3 is arranged on the circuit board 2, and then the heat conducting glue 4 is arranged between the circuit board 2 and the radiator 1, so that heat generated by the circuit board 2 and the heating device 3 is transferred to the radiator 1 through the heat conducting glue 4, the heat dissipation capability of the radiator 1 is fully exerted, and the stability of the circuit board 2 and the heating device 3 thereon is reduced; in addition, the heat conducting glue 4 can also support the circuit board 2, so that the stability of the controller is enhanced, and the falling resistance and vibration resistance of the controller are improved.
Further, the electric vehicle controller further comprises an end cover 5 and an upper cover 7, the radiator 1, the two end covers 5 and the upper cover 7 are combined to form a shell of the controller, wherein the radiator 1 is U-shaped, the two ends of the radiator 1 are fixedly connected with the end covers 5 in a detachable mode and form a frame structure with one open end, and the upper cover 7 covers the open end of the frame structure. Furthermore, the end face of the heat sink 1 is provided with a connecting hole 15, and the end cover 5 and the heat sink 1 are detachably and fixedly connected at the connecting hole 15 through a screw.
The "bottom surface of the heat sink 1" refers to a surface of the heat sink 1 serving as a bottom surface of the controller, and in fig. 1, is a surface of the heat sink 1 which is away from the upper cover 7 and is substantially parallel to the upper cover 7.
The heat generating device 3 includes, but is not limited to, a power tube 31, a current carrying copper bar 32, a connection terminal 33, and a sampling resistor 34. Through set up heat-conducting glue 4 between circuit board 2 and radiator 1, strengthened circuit board 2's heat-sinking capability, effectively reduced the temperature of power tube 31, current-carrying copper bar 32, electric capacity, sampling resistor 34, chip, improved electric vehicle controller whole heat dispersion and reduced the inefficacy risk.
Preferably, the heating device 3 is arranged on one side surface of the circuit board 2 far away from the bottom surface of the radiator 1, and then the heat-conducting glue 4 is arranged between the other side surface of the circuit board 2 and the radiator 1, so that the heat of the heating device 3 and the circuit board 2 can be transmitted to the radiator 1 through the heat-conducting glue 4, and the heat dissipation effect is improved.
As shown in fig. 3-4, a glue groove 11 is formed on the bottom surface of the heat sink 1, and a part of the heat-conducting glue 4 is accommodated in the glue groove 11, so that the paste-like heat-conducting glue can be conveniently processed, and the heat-conducting glue 4 can be limited or identified.
Preferably, the heat-conducting glue 4 is paste-shaped heat-conducting glue, is easy to process, can realize automatic production, has high efficiency and can simplify the process. The paste-like heat-conducting adhesive has excellent insulativity and certain heat conductivity, the heat conductivity coefficient is more than 0.6W/m.K, the paste-like heat-conducting adhesive can be cured after a certain time, the paste-like heat-conducting adhesive has elasticity, toughness and hardness after being cured, the hardness is more than 30shore A, and under the condition that the wiring terminal 33 is stressed, the paste-like heat-conducting adhesive plays a role in supporting the circuit board 2 due to certain hardness, so that the circuit board 2 can be prevented from cracking and being damaged. Meanwhile, the paste-shaped heat-conducting adhesive has a good bonding effect on the circuit board 2 and the radiator 1 after being cured, and is beneficial to enhancing the anti-falling and anti-vibration performance of the electric vehicle controller.
Preferably, the heat conducting glue 4 has adhesiveness, and the glue is not recoverable after being damaged after being disassembled.
Illustratively, the shore hardness of the thermal conductive adhesive 4 is greater than 30 degrees, so as to support the circuit board 2. In other embodiments, the shore hardness of the thermal conductive adhesive 4 may also be not greater than 30 degrees, and at this time, a rigid support column needs to be disposed in the thermal conductive adhesive 4 to support the circuit board 2.
Optionally, the thermally conductive glue 4 comprises a first portion 41, the first portion 41 extending in the extension direction of the heat sink 1. Preferably, the heat conductive adhesive 4 further includes second portions 42, and at least two second portions 42 are disposed on the first portion 41 in parallel at intervals along the extending direction of the heat sink 1. Through the subregion between circuit board 2 and radiator 1 be provided with heat conduction glue 4, when improving heat conduction glue 4 transfer heat, guarantee the circulation of air between circuit board 2 and the radiator 1, can also reduce the cost. In the present embodiment, the shape of the glue groove 11 matches the shape of the thermally conductive glue 4.
Optionally, the heat sink 1 is U-shaped, the circuit board 2 is parallel to the bottom surface of the U-shaped, the two side walls of the heat sink 1 are both provided with mounting bosses 13, and the edge of the circuit board 2 is erected on the mounting bosses 13, so that the circuit board 2 and the heat sink 1 can be conveniently mounted. It is further preferred that the distance between the end of the circuit board 2 and the side wall of the heat sink 1 is larger than 1 mm.
Optionally, the heat sink 1 is U-shaped, the circuit board 2 is parallel to the bottom surface of the U-shaped, the bottom surface of the heat sink 1 is provided with a support table 12, a side wall of the support table 12 is provided with a step surface 121, a side wall of the heat sink 1 is provided with a mounting boss 13, one end of the circuit board 2 is erected on the mounting boss 13, and the other end of the circuit board 2 is erected on the step surface 121.
Optionally, the electric vehicle controller further comprises a support 8 disposed between the circuit board 2 and the heat sink 1 for supporting the circuit board 2. Preferably, the bottom surface of the heat sink 1 is further provided with a limiting protruding strip 16, two limiting protruding strips 16 are arranged in parallel at intervals, and the supporting member 8 is accommodated between the two limiting protruding strips 16 so as to limit the supporting member 8.
As shown in fig. 5 and fig. 1, the electric vehicle controller further includes a gasket 6, and the gasket 6 is disposed between the end cover 5 and the radiator 1 to improve the sealing performance of the connection portion between the end cover 5 and the radiator 1.
Further, the outer wall of the heat radiator 1 is provided with a plurality of heat dissipation teeth 14 arranged in parallel at intervals, the sealing gasket 6 is provided with a positioning block 61, and the positioning block 61 can be accommodated between two adjacent heat dissipation teeth 14, so that the sealing gasket 6 is mounted in a limited manner, and the assembly efficiency is improved.
The embodiment also provides an electric vehicle, which comprises the electric vehicle controller, and the stability of the power output of the electric vehicle can be improved by applying the electric vehicle controller, so that the phenomena of insufficient power, climbing difficulty and shutdown are avoided.
It should be noted that the electric vehicle provided in this embodiment may be a two-wheeled electric vehicle.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. An electric vehicle controller, comprising:
a heat sink (1);
the circuit board (2) is arranged on the radiator (1) and is parallel to the bottom surface of the radiator (1);
a heat generating device (3) mounted on the circuit board (2);
and the heat-conducting glue (4) is arranged between the circuit board (2) and the radiator (1), and two ends of the heat-conducting glue (4) are respectively abutted against the circuit board (2) and the radiator (1).
2. The electric vehicle controller according to claim 1, characterized in that a glue groove (11) is arranged on the bottom surface of the radiator (1), and part of the heat-conducting glue (4) is accommodated in the glue groove (11).
3. An electric vehicle controller according to claim 1, characterised in that the thermally conductive glue (4) comprises at least a first portion (41), the first portion (41) extending in the extension direction of the heat sink (1).
4. An electric vehicle controller according to claim 3, characterized in that the thermally conductive glue (4) comprises further second portions (42), at least two of the second portions (42) being arranged in parallel spaced apart on the first portion (41) in the extension direction of the heat sink (1).
5. The electric vehicle controller according to claim 1, characterized in that the heat-conducting glue (4) is paste-like heat-conducting glue.
6. The electric vehicle controller according to claim 5, characterized in that the Shore hardness of the heat-conducting glue (4) is greater than 30 degrees; or
The Shore hardness of the heat-conducting glue (4) is not more than 30 degrees, and a rigid supporting column is arranged in the heat-conducting glue (4).
7. The electric vehicle controller according to claim 1, wherein the heat sink (1) is U-shaped, the circuit board (2) is parallel to the bottom surface of the U-shaped, mounting bosses (13) are arranged on both side walls of the heat sink (1), and edges of the circuit board (2) are overlapped on the mounting bosses (13).
8. The electric vehicle controller according to claim 1, wherein the heat sink (1) is U-shaped, the circuit board (2) is parallel to the bottom surface of the U-shaped, a support platform (12) is disposed on the bottom surface of the heat sink (1), a step surface (121) is disposed on one side wall of the support platform (12), a mounting boss (13) is disposed on the side wall of the heat sink (1), one end of the circuit board (2) is overlapped on the mounting boss (13), and the other end is overlapped on the step surface (121).
9. The electric vehicle controller according to claim 1, wherein the radiator (1) is U-shaped, the electric vehicle controller further comprises an end cover (5) and an upper cover (7), both ends of the radiator (1) are detachably and fixedly connected with the end cover (5) and form a frame structure with one open end, and the upper cover (7) covers the open end of the frame structure.
10. An electric vehicle comprising an electric vehicle controller according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121235090.4U CN214852485U (en) | 2021-06-03 | 2021-06-03 | Electric vehicle controller and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121235090.4U CN214852485U (en) | 2021-06-03 | 2021-06-03 | Electric vehicle controller and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214852485U true CN214852485U (en) | 2021-11-23 |
Family
ID=78800453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121235090.4U Withdrawn - After Issue CN214852485U (en) | 2021-06-03 | 2021-06-03 | Electric vehicle controller and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214852485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114760815A (en) * | 2022-04-08 | 2022-07-15 | 合肥阳光电动力科技有限公司 | Embedment base plate, current conversion module and current conversion device |
-
2021
- 2021-06-03 CN CN202121235090.4U patent/CN214852485U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114760815A (en) * | 2022-04-08 | 2022-07-15 | 合肥阳光电动力科技有限公司 | Embedment base plate, current conversion module and current conversion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211123 Effective date of abandoning: 20230913 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20211123 Effective date of abandoning: 20230913 |