CN210042652U - Heat radiation structure of electric vehicle controller - Google Patents
Heat radiation structure of electric vehicle controller Download PDFInfo
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- CN210042652U CN210042652U CN201920282805.8U CN201920282805U CN210042652U CN 210042652 U CN210042652 U CN 210042652U CN 201920282805 U CN201920282805 U CN 201920282805U CN 210042652 U CN210042652 U CN 210042652U
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- heat dissipation
- circuit board
- power tube
- dissipation shell
- shell
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Abstract
The utility model discloses an electric vehicle controller heat radiation structure, including the heat dissipation shell, the circuit board assembles in the heat dissipation shell, and heat dissipation shell surface evenly is equipped with a plurality of radiating grooves, heat dissipation shell inner wall is equipped with and blocks the blend stop, blocks the blend stop and carries on spacingly and support to the power tube on the circuit board for the position of power tube is injectd, installs the unsettled setting of circuit board in the heat dissipation shell of power tube simultaneously. The utility model discloses circuit board and heat dissipation shell can not contact during the application, can avoid solder joint and the unexpected contact of heat dissipation shell to lead to the condition that the circuit board became invalid on the circuit board, the assembly of being convenient for simultaneously, the radiating effect is good.
Description
Technical Field
The utility model relates to an electric vehicle controller field specifically is an electric vehicle controller heat radiation structure.
Background
The electric vehicle controller is a central control part of an electric vehicle, and because the electric vehicle controller works for a long time, components of the electric vehicle controller generate heat, and if the electric vehicle controller does not have good heat dissipation, the electric vehicle controller is easy to damage due to overhigh temperature. Most of controller shells used in the prior market are lead-out wire cavity type heat dissipation shells, a circuit board is arranged in the heat dissipation shells, a heating device (power tube) on the circuit board is tightly attached to an inner cavity of the heat dissipation shells, end covers are arranged at two ends of each heat dissipation shell, holes are formed in the end covers, and lead-out wires on the circuit board penetrate out of the holes of the end covers to be electrically connected with the outside. The power tube on the circuit board is a main heating device, therefore, the power tube is usually welded on two sides of the circuit board, and the design idea of the circuit board is always how to integrate more functions into a circuit board which is as small as possible, and the compact size can be kept, so that in the actual circuit board component installation work, the power tube is bent outwards after the power tube is installed, so as to save the residual space of the circuit board.
Because the power tube on the circuit board is more than one, in order to make it cling to the inner cavity of the heat dissipation shell to ensure a good heat dissipation effect and facilitate assembly, chinese patent document CN205566898U discloses a spring plate compression type power tube heat dissipation device, which compresses a plurality of power tubes on the side wall of the inner cavity of the heat dissipation shell through the cooperation of a spring plate clamping groove and a 7-shaped spring plate, so as to ensure a good heat dissipation effect, and simultaneously can ensure that the installation positions of the plurality of power tubes are consistent, the power tubes are simple and stable to install, and the assembly efficiency is improved. However, in this patent, the power tube insulating housing is tightly attached to the side wall of the heat dissipation housing, i.e. the power tube needs to be kept upright, and under the condition that the same function is ensured, the area of the circuit board needs to be increased, and the volume of the natural heat dissipation housing also needs to be increased to match the circuit board, which undoubtedly increases the production cost. Meanwhile, the circuit board is required to be arranged in the circuit board clamping groove for position limitation, and due to the fact that the heat dissipation shell is conductive, welding points are fully distributed on the circuit board, the situation that the welding points on the circuit board are in accidental contact with the heat dissipation shell can occur, and the circuit board is caused to lose efficacy.
Chinese patent document CN109195370A discloses an external buckled electric vehicle controller structure, which has a power tube supporting step to cooperate with a bent power tube, and solves the problem that the power tube needs to be vertically installed, but in this patent, a circuit board is placed between a left supporting step and a right supporting step for position limitation, and the condition that the circuit board fails due to accidental contact between a welding spot on the circuit board and a heat dissipation shell still exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art's above-mentioned problem, provide an electric vehicle controller heat radiation structure, circuit board and heat dissipation shell can not contact when it uses, can avoid solder joint and the unexpected condition that contacts lead to the circuit board inefficacy of heat dissipation shell on the circuit board, the assembly of being convenient for simultaneously, the radiating effect is good.
The purpose of the utility model is mainly realized through the following technical scheme:
the utility model provides an electric vehicle controller heat radiation structure, includes the heat dissipation shell, and the circuit board assembles in the heat dissipation shell, and heat dissipation shell surface evenly is equipped with a plurality of radiating grooves, heat dissipation shell inner wall is equipped with and blocks the blend stop, blocks the blend stop and carries on spacingly and support to the power tube on the circuit board for the position of power tube is injectd, and the unsettled setting in the heat dissipation shell of circuit board of installation power tube simultaneously.
Furthermore, the power tube is attached to the inner wall of the heat dissipation shell, and the elastic sheet is arranged in the heat dissipation shell and used for compressing the power tube, so that the power tube is fixed.
Further, the heat dissipation shell inner wall is equipped with the holding tank, and the circuit board is unsettled to be located in the holding tank, is equipped with the heat dissipation platform of slope on the heat dissipation shell inner wall of holding tank both sides respectively, and the power tube is laminated with the heat dissipation platform, and the one side of heat dissipation platform orientation holding tank is located to the barrier strip.
Furthermore, the surface of the blocking strip is provided with a heat conduction insulating layer.
Furthermore, the radiating table is obliquely arranged corresponding to the radiating groove on the outer surface of the radiating shell, and the depth of the radiating table is sequentially reduced along the direction from the radiating table to the accommodating groove.
Further, the heat dissipation shell is a tensile aluminum shell.
To sum up, the utility model discloses following beneficial effect has: the power tube is supported and limited by the blocking strips, and the circuit board is directly supported and limited by the heat dissipation shell in the prior art, so that the circuit board can be suspended in the heat dissipation shell and does not directly contact with the heat dissipation shell, and the condition that the circuit board fails due to the fact that welding spots on the circuit board are accidentally contacted with the heat dissipation shell is avoided. In addition, the blocking strips are convenient for quick and accurate assembly of the circuit board, the assembly difficulty is reduced, and the assembly accuracy and the production efficiency are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the circuit board according to an embodiment of the present invention.
In the figure: 1-radiating shell, 2-radiating groove, 3-accommodating groove, 4-radiating table, 5-blocking strip and 6-elastic sheet clamping groove.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "coupled" are intended to be inclusive and mean, for example, that is, fixedly coupled, removably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
the utility model provides an electric vehicle controller heat radiation structure, includes heat dissipation shell 1, and the circuit board assembles in heat dissipation shell 1, and 1 surfaces of heat dissipation shell evenly are equipped with a plurality of radiating grooves 2, and heat dissipation shell 1 is tensile aluminum hull. The inner wall of the heat dissipation shell 1 is provided with a blocking strip 5, the blocking strip 5 limits and supports the power tube on the circuit board, so that the position of the power tube is limited, and the circuit board provided with the power tube is suspended in the heat dissipation shell 1. Through supporting and spacing the power tube, replace among the prior art directly to support and spacing the circuit board for the circuit board can be unsettled in heat dissipation shell 1, and direct contact heat dissipation shell 1 not, thereby avoided the unexpected and 1 contact condition that leads to the circuit board inefficacy of the welding spot on the circuit board of heat dissipation shell.
The power tube is attached to the inner wall of the heat dissipation shell 1, and the elastic sheet is arranged in the heat dissipation shell 1 and compresses the power tube, so that the power tube is fixed, and the circuit board is also fixed.
Specifically, as shown in fig. 1 and fig. 2, the inner wall of the heat dissipation housing 1 is provided with a holding groove 3, the inner walls of the heat dissipation housing 1 at the two sides of the holding groove 3 are respectively provided with an inclined heat dissipation platform 4, the circuit board is held in the holding groove 3, the power tubes at the two sides of the circuit board are bent and then attached to the heat dissipation platform 4, the blocking strip 5 is arranged at one side of the heat dissipation platform 4 facing the holding groove 3, the bottom end of the power tube housing is abutted to the blocking strip 5, and the blocking strip 5 supports the power tubes. In addition, the blocking strips 5 also play a role in limiting the position of the power tube when the power tube is attached to the heat dissipation platform 4, so that the position of the circuit board is limited, the circuit board can be rapidly and accurately assembled in place conveniently, the assembly difficulty is reduced, and the assembly accuracy and the production efficiency are improved.
The inner walls of the heat dissipation shells 1 on the side, far away from the accommodating groove 3, of the two heat dissipation tables 4 are respectively provided with an elastic sheet clamping groove 6, one end of each elastic sheet is clamped into the elastic sheet clamping groove 6, the other end of each elastic sheet is tightly pressed on the power tube, so that the power tube and the heat dissipation tables 4 are tightly attached to dissipate heat quickly, and meanwhile, the power tube is fixed to fix the circuit board.
It should be noted that, the size of the accommodating groove 3 is slightly larger than that of the circuit board, so that the circuit board can be suspended in the accommodating groove 3 and not contacted therewith, that is, not contacted with the heat dissipation housing 1, thereby avoiding the situation that the circuit board fails due to accidental contact between the solder joint on the circuit board and the heat dissipation housing 1.
It should be noted that the power tube housing is an insulating housing, and the circuit board is not affected by the attachment of the power tube and the heat dissipation platform 4.
It should be noted that the height of the blocking strip 5 should be smaller than the distance from the power tube pins to the edge of the housing, so as to ensure that the power tube can be attached to the heat dissipation stage 4. Of course, the distance between the two blocking bars 5 is matched with the distance between the power tubes bent at the two sides of the circuit board, so as to ensure that the position of the circuit board can be correctly defined.
Furthermore, the surface of the blocking strip 5 is provided with a heat conduction insulating layer to ensure that accidental electric conduction between the power tube pins and the blocking strip 5 cannot occur, and the heat conduction insulating layer can be made of beryllium oxide ceramics.
Furthermore, because the power tube has large heat productivity, in order to improve the heat dissipation effect without increasing the volume of the heat dissipation shell 1, the heat dissipation platform 4 is obliquely arranged corresponding to the heat dissipation groove 2 on the outer surface of the heat dissipation shell 1, so that the depth of the heat dissipation groove 2 under the same volume is increased, the contact area between air and the heat dissipation groove 2 is increased, and a better heat dissipation effect is achieved. In addition, because the heat dissipation platform 4 is the slope, the heat dissipation platform 4 corresponds the heat dissipation groove 2 degree of depth of heat dissipation shell 1 surface and reduces along heat dissipation platform 4 to holding tank 3 direction in proper order to guarantee that heat dissipation shell 1 is whole to be regular shape, be convenient for deposit.
It should be noted that the heat sink 2, the heat sink table 4, the blocking strip 5, the spring clip groove 6 and the heat sink housing 1 are integrally formed.
Parts not described in the above modes can be realized by adopting or referring to the prior art.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments thereof. To the utility model belongs to the technical field of the ordinary skilled person say, do not deviate from the utility model discloses a other embodiments that reach under the technical scheme all should be contained the utility model discloses a within the scope of protection.
Claims (6)
1. The utility model provides an electric vehicle controller heat radiation structure, includes heat dissipation shell (1), and the circuit board assembles in heat dissipation shell (1), and heat dissipation shell (1) surface evenly is equipped with a plurality of radiating grooves (2), its characterized in that: the inner wall of the heat dissipation shell (1) is provided with a blocking strip (5), the blocking strip (5) limits and supports the power tube on the circuit board, so that the position of the power tube is limited, and the circuit board provided with the power tube is suspended in the heat dissipation shell (1).
2. The electric vehicle controller heat dissipation structure of claim 1, wherein: the power tube is attached to the inner wall of the heat dissipation shell (1), and the elastic sheet is arranged in the heat dissipation shell (1) and used for compressing the power tube, so that the power tube is fixed.
3. The electric vehicle controller heat dissipation structure according to claim 2, wherein: the inner wall of the heat dissipation shell (1) is provided with a holding tank (3), the circuit board is suspended in the holding tank (3), the inner walls of the heat dissipation shell (1) on the two sides of the holding tank (3) are respectively provided with a heat dissipation platform (4) inclined, the power tube is attached to the heat dissipation platform (4), and the blocking strip (5) is blocked at one side of the heat dissipation platform (4) facing the holding tank (3).
4. A heat dissipation structure of an electric vehicle controller according to claim 3, wherein: and a heat conduction insulating layer is arranged on the surface of the blocking strip (5).
5. The electric vehicle controller heat dissipation structure of claim 4, wherein: the heat dissipation platform (4) is obliquely arranged corresponding to the heat dissipation groove (2) on the outer surface of the heat dissipation shell (1), and the depth of the heat dissipation platform is reduced in sequence along the direction from the heat dissipation platform (4) to the accommodating groove (3).
6. The electric vehicle controller heat dissipation structure of claim 5, wherein: the heat dissipation shell (1) is a tensile aluminum shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282805.8U CN210042652U (en) | 2019-03-06 | 2019-03-06 | Heat radiation structure of electric vehicle controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920282805.8U CN210042652U (en) | 2019-03-06 | 2019-03-06 | Heat radiation structure of electric vehicle controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210042652U true CN210042652U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920282805.8U Active CN210042652U (en) | 2019-03-06 | 2019-03-06 | Heat radiation structure of electric vehicle controller |
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| CN (1) | CN210042652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291952A (en) * | 2020-10-09 | 2021-01-29 | 温岭市九洲电机制造有限公司 | Controller of electric vehicle |
-
2019
- 2019-03-06 CN CN201920282805.8U patent/CN210042652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112291952A (en) * | 2020-10-09 | 2021-01-29 | 温岭市九洲电机制造有限公司 | Controller of electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heat dissipation structure of electric vehicle controller Effective date of registration: 20201010 Granted publication date: 20200207 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU JINHUANKE TECHNOLOGY Co.,Ltd. Registration number: Y2020980006679 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220815 Granted publication date: 20200207 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU JINHUANKE TECHNOLOGY CO.,LTD. Registration number: Y2020980006679 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A heat dissipation structure for electric vehicle controllers Effective date of registration: 20230508 Granted publication date: 20200207 Pledgee: Chengdu SME financing Company Limited by Guarantee Pledgor: CHENGDU JINHUANKE TECHNOLOGY CO.,LTD. Registration number: Y2023980040066 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |