CN216721932U - Waterproof electric vehicle controller - Google Patents
Waterproof electric vehicle controller Download PDFInfo
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- CN216721932U CN216721932U CN202220305222.4U CN202220305222U CN216721932U CN 216721932 U CN216721932 U CN 216721932U CN 202220305222 U CN202220305222 U CN 202220305222U CN 216721932 U CN216721932 U CN 216721932U
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- electric vehicle
- vehicle controller
- circuit board
- heat
- housing
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Abstract
The utility model discloses a waterproof electric vehicle controller, and relates to the technical field of electric vehicle controllers; the technical scheme is as follows: the circuit board is installed in the shell in a sealing mode, a first heat-conducting silica gel body is arranged in the shell, and the first heat-conducting silica gel body is filled between one side of the circuit board for installing the electronic device and the top of the inner side of the shell. The circuit board is hermetically arranged in the shell to carry out waterproof protection on the circuit board and ensure that the electric vehicle controller has enough waterproof grade, and the first heat-conducting silica gel body is filled between one side of the circuit board for mounting the electronic device and the top of the inner side of the shell to ensure the sealing performance of one side of the circuit board for mounting the electronic device and quickly transfer heat generated by the electronic device on the circuit board to the shell, so that the waterproof electric vehicle controller can quickly dissipate heat and improve the reliability of the waterproof electric vehicle controller.
Description
Technical Field
The utility model relates to the technical field of electric vehicle controllers, in particular to a waterproof electric vehicle controller.
Background
The electric vehicle controller has the functions of reverse charging, locked rotor protection, dynamic and static open-phase protection, cruise alarm, high-speed control, mode switching, follow-up abs system and the like, and MOS tubes and other electronic elements with larger heating power on a circuit board are arranged on one side of the circuit board. The existing waterproof electric vehicle controller mostly seals the shell of the electric vehicle controller, although the waterproof protection can be carried out on the electric vehicle controller, the heat is conducted between an electronic device and the shell through gas, the heat dissipation efficiency is low, and the reliability of the electric vehicle controller is affected.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problem of low heat dissipation efficiency of the existing waterproof electric vehicle controller; the utility model provides a waterproof electric vehicle controller which can quickly transfer heat generated by an electronic element of the electric vehicle controller to a shell, so that the waterproof electric vehicle controller can quickly dissipate heat, and the reliability of the waterproof electric vehicle controller is improved.
The utility model is realized by the following technical scheme:
the utility model provides a waterproof electric vehicle controller which comprises a shell and a circuit board, wherein the circuit board is hermetically installed in the shell, a first heat-conducting silica gel body is arranged in the shell, and the first heat-conducting silica gel body is filled between one side of an electronic device installed on the circuit board and the top of the inner side of the shell.
In an optional embodiment, the top of the shell is provided with a heat dissipation plate, and the heat dissipation plate is detachably connected with the shell.
In an optional embodiment, a plurality of heat dissipation fins are arranged at intervals outside the heat dissipation plate.
In an optional embodiment, the first heat conductive silicone body is provided with a sealing hole for a cable to pass through, and the heat dissipation plate is provided with a through hole for a cable to pass through.
In an optional embodiment, the first thermal conductive silicone body has a multilayer structure.
In an optional embodiment, the first heat-conducting silicone body includes an encapsulating layer and a filling layer that are stacked in sequence, and the encapsulating layer is used for filling gaps between the circuit board and the electronic device.
In an optional embodiment, a second heat-conducting silicone body is further disposed in the housing, and the second heat-conducting silicone body is filled between the other side of the circuit board and the bottom of the inner side of the housing.
In an alternative embodiment, the housing is provided with a mounting base plate, and the mounting base plate is detachably connected with the housing.
In an optional embodiment, the housing is made of an aluminum alloy.
The utility model has the following beneficial effects:
the utility model provides a waterproof electric vehicle controller, which comprises a shell and a circuit board, wherein the circuit board is hermetically arranged in the shell to carry out waterproof protection on the circuit board and ensure that the electric vehicle controller has enough waterproof grade, wherein a first heat-conducting silica gel body is arranged in the shell and is filled between one side of the circuit board for mounting an electronic device and the top of the inner side of the shell, so that on one hand, the sealing performance of one side of the circuit board for mounting the electronic device can be ensured, and on the other hand, heat generated by the electronic device on the circuit board can be quickly transferred to the shell through the heat-conducting silica gel, so that the heat can be quickly dissipated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a waterproof electric vehicle controller according to an embodiment of the present invention.
Reference numerals:
the heat dissipation structure comprises a shell 1, a heat dissipation plate 11, a heat dissipation fin 12, a circuit board 2, a first heat conduction silica gel body 3, a potting layer 31, a filling layer 32, a second heat conduction silica gel body 4 and a mounting bottom plate 5.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "vertical," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description of the present application and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, as opposed to a removable connection, or as an integral connection; may be a mechanical connection, may be an electrical connection; may be directly connected to one another, may be indirectly connected through intervening media, and may be internal to both elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Examples
With reference to fig. 1, the present embodiment provides a waterproof electric vehicle controller, which includes a housing 1 and a circuit board 2, the circuit board 2 is hermetically mounted in the housing 1, a first heat conductive silicone body 3 is arranged in the housing 1, and the first heat conductive silicone body 3 is filled between one side of the circuit board 2 where an electronic device is mounted and the top of the inner side of the housing 1.
It can be understood that the housing 1 of the electric vehicle controller is usually made of metal to ensure that the electric vehicle controller can normally dissipate heat, such as the cast iron housing 1, the stainless steel housing 1 or the aluminum alloy housing 1, in this embodiment, the aluminum alloy housing 1 is adopted to reduce the weight of the electric vehicle controller and ensure the corrosion resistance of the housing 1. That is, the housing 1 is made of an aluminum alloy.
Wherein, for being convenient for fill first heat conduction colloidal silica 3, casing 1 top is equipped with heating panel 11, heating panel 11 with casing 1 can dismantle the connection.
In order to improve the heat dissipation efficiency of the electric vehicle controller, a plurality of heat dissipation fins 12 are arranged on the outer side of the heat dissipation plate 11 at intervals.
It can be understood that the first heat conductive silicone body 3 is provided with a sealing hole for the cable to pass through, and the heat dissipation plate 11 is provided with a through hole for the cable to pass through.
Know is that, first heat conduction colloidal silica 3 has better flexibility, and the aperture in sealed hole is less than the external diameter of the cable of wearing to establish to play sealed effect, avoid steam to ooze to circuit board 2 along the cable.
Preferably, the first heat conductive silicone body 3 is of a multilayer structure, so that the thickness of a single layer is reduced, the internal stress of the first heat conductive silicone body 3 during shrinkage is reduced, and the electronic device on the circuit board 2 is prevented from being damaged by the internal stress of the first heat conductive silicone body 3 during shrinkage.
Specifically, first heat conduction colloidal silica 3 is including potting layer 31 and the filling layer 32 that stacks in proper order, potting layer 31 is used for filling the space between 2 electronic device of circuit board.
Further, still be equipped with second heat conduction colloidal silica 4 in the casing 1, second heat conduction colloidal silica 4 fills between 2 opposite sides of circuit board and the inboard bottom of casing 1.
Similarly, the housing 1 is provided with a mounting bottom plate 5, and the mounting bottom plate 5 is detachably connected with the housing 1 so as to facilitate the mounting of the circuit board 2.
It should be understood that, for the sealing of the housing 1, a way of pressing a rubber strip with a plate may be generally adopted, in this example, two sides of the circuit board 2 are respectively disposed on the first heat conductive silicone body 3 and the second heat conductive silicone body 4, and the heat dissipation plate 11 and the mounting bottom plate 5 are correspondingly disposed, so as to stably clamp the circuit board 2 in the housing 1, without adopting screws for fixing, thereby simplifying the mounting of the electric vehicle controller and improving the production efficiency of the electric vehicle controller. And no screw hole communicated with the outside is formed, so that the sealing performance of the electric vehicle controller can be ensured, and the electric vehicle controller has higher IP protection grade.
It should be noted that, heat is conducted between the electronic device of the existing electric vehicle controller and the housing 1 through gas, the heat dissipation efficiency is low, after long-time operation, the temperature is too high, and the reliability of the electric vehicle controller is affected, and in this embodiment, the first heat-conducting silicone body 3 is arranged in the housing 1, and the first heat-conducting silicone body 3 is filled between one side of the circuit board 2 where the electronic device is installed and the top inside the housing 1, on one hand, the sealing performance of one side of the circuit board 2 where the electronic device is installed can be ensured, on the other hand, heat generated by the electronic device on the circuit board 2 can be quickly transmitted to the housing 1 through the heat-conducting silicone, and therefore rapid heat dissipation is achieved.
Therefore, the embodiment can rapidly transfer the heat generated by the electronic element of the electric vehicle controller to the housing 1, so that the waterproof electric vehicle controller can rapidly dissipate the heat, thereby improving the reliability of the waterproof electric vehicle controller.
The foregoing is only a preferred embodiment of the present invention, and the present invention is not limited thereto in any way, and any simple modification, equivalent replacement and improvement made to the above embodiment within the spirit and principle of the present invention still fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a waterproof electric vehicle controller, includes casing (1) and circuit board (2), its characterized in that, circuit board (2) seal installation be in casing (1), be equipped with first heat conduction colloidal silica (3) in casing (1), just first heat conduction colloidal silica (3) fill in circuit board (2) install one side of electron device with between the inboard top of casing (1).
2. The waterproof electric vehicle controller according to claim 1, characterized in that a heat dissipation plate (11) is arranged on the top of the housing (1), and the heat dissipation plate (11) is detachably connected with the housing (1).
3. The waterproof electric vehicle controller according to claim 2, characterized in that a plurality of heat dissipation fins (12) are arranged on the outer side of the heat dissipation plate (11) at intervals.
4. The waterproof electric vehicle controller according to claim 2, wherein the first heat-conducting silicone body (3) is provided with a sealing hole for a cable to pass through, and the heat dissipation plate (11) is provided with a through hole for a cable to pass through.
5. The waterproof electric vehicle controller according to claim 1, characterized in that the first heat conductive silicone body (3) is a multilayer structure.
6. The waterproof electric vehicle controller according to claim 5, wherein the first heat-conducting silicone body (3) comprises a potting layer (31) and a filling layer (32) which are sequentially stacked, and the potting layer (31) is used for filling gaps among the electronic devices of the circuit board (2).
7. The waterproof electric vehicle controller according to claim 1, wherein a second heat-conducting silicone rubber body (4) is further arranged in the housing (1), and the second heat-conducting silicone rubber body (4) is filled between the other side of the circuit board (2) and the bottom of the inner side of the housing (1).
8. The waterproof electric vehicle controller according to claim 7, characterized in that the housing (1) is provided with a mounting baseplate (5), the mounting baseplate (5) being detachably connected with the housing (1).
9. The waterproof electric vehicle controller according to any one of claims 1 to 8, wherein the housing (1) is made of an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305222.4U CN216721932U (en) | 2022-02-15 | 2022-02-15 | Waterproof electric vehicle controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220305222.4U CN216721932U (en) | 2022-02-15 | 2022-02-15 | Waterproof electric vehicle controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216721932U true CN216721932U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220305222.4U Active CN216721932U (en) | 2022-02-15 | 2022-02-15 | Waterproof electric vehicle controller |
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| Country | Link |
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| CN (1) | CN216721932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115604968A (en) * | 2022-10-11 | 2023-01-13 | 山东致胜仪表有限公司（Cn） | Dampproof intelligent water meter and manufacturing process thereof |
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2022
- 2022-02-15 CN CN202220305222.4U patent/CN216721932U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115604968A (en) * | 2022-10-11 | 2023-01-13 | 山东致胜仪表有限公司（Cn） | Dampproof intelligent water meter and manufacturing process thereof |
| CN115604968B (en) * | 2022-10-11 | 2024-05-24 | 山东致胜仪表有限公司 | Dampproof intelligent water meter and manufacturing process thereof |
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