CN219628226U - Power inverter capable of improving heat dissipation efficiency - Google Patents
Power inverter capable of improving heat dissipation efficiency Download PDFInfo
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- CN219628226U CN219628226U CN202320548851.4U CN202320548851U CN219628226U CN 219628226 U CN219628226 U CN 219628226U CN 202320548851 U CN202320548851 U CN 202320548851U CN 219628226 U CN219628226 U CN 219628226U
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- inverter
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- heat dissipation
- radiator
- aluminum plate
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Abstract
The utility model discloses a power inverter for improving heat dissipation efficiency, which comprises a power cover plate and a power bottom plate, wherein the power cover plate is connected with the power bottom plate through power side panels, and a radiator is connected between the power side panels at two sides; the upper end face of the radiator is connected with an inversion module, the inversion module comprises an inversion circuit board and a heat-dissipating aluminum plate, the heat-dissipating aluminum plate is connected to the upper end of the radiator, and the upper end of the heat-dissipating aluminum plate is connected with the inversion circuit board through an inversion power device. The inverter circuit board, the heat dissipation aluminum plate and the inverter power device form an inverter module, so that the inverter module is convenient to transplant on various power inverter products. The radiator of the power inverter is used for radiating heat, so that the capacity of the radiator is larger, and the radiating effect is better. And the panel of the power inverter is not required to be provided with an air inlet and outlet grid, so that one surface of the structure with the inverter power device can keep the original closed structure, and the effect of electromagnetic compatibility test is ensured.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted integrated power supplies, in particular to a power inverter capable of improving heat dissipation efficiency.
Background
The power inverter, namely a vehicle-mounted power supply, can convert DC12V direct current into AC220V alternating current which is the same as mains supply and is supplied to common electric appliances for use. The power inverter is not only suitable for vehicle-mounted systems, but also can be used for converting DC12V into AC220V alternating current as long as the occasion of DC12V direct current power supply is available, thereby bringing convenience to the life of people.
The radiator of the existing power inverter is often arranged on an internal inverter printed board, an inverter power device of the radiator is attached to the radiator, and forced air cooling and heat dissipation are carried out on the radiator by combining an external fan. However, since the power inverter uses more inductance and capacitance devices, and has larger volume and size, the air duct of the radiator is easily affected if the layout is not good. In addition, because external fans are required to dissipate heat, the vehicle-mounted power supply cannot be completely shielded, and air inlet and air outlet of the air grid are required to be opened on the front side panel and the rear side panel, so that the electromagnetic compatibility effect of the power inverter is directly affected.
Disclosure of Invention
The summary of the utility model is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the utility model is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
Aiming at the problems and the defects existing in the prior art, the utility model provides a power inverter capable of improving heat dissipation efficiency. The inverter module formed by the inverter circuit board and the heat dissipation aluminum plate is connected to the upper end of the radiator, and the power inverter panel is not required to be provided with an air inlet and outlet grid, so that the closed structure of the power inverter can be maintained, the effect of electromagnetic compatibility test is stabilized, and the problems in the background technology are solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the radiator is connected between the power supply side panels at two sides; the upper end face of the radiator is connected with an inversion module, the inversion module comprises an inversion circuit board and a heat-dissipating aluminum plate, the heat-dissipating aluminum plate is connected to the upper end of the radiator, and the upper end of the heat-dissipating aluminum plate is connected with the inversion circuit board through an inversion power device.
Further, the inverter circuit board and the heat dissipation aluminum plate are arranged vertically opposite to each other, and the inverter circuit board and the heat dissipation aluminum plate are the same in size. The size of the inverter circuit board is the same as that of the heat dissipation aluminum plate, the inverter circuit board is connected to the power supply side panel on one side of the inverter circuit board, and the heat dissipation aluminum plate is positioned below the inverter circuit board. The inversion power device mounting holes formed in the heat-dissipating aluminum plate correspond to the pin mounting holes in the inversion circuit board, so that the inversion power device can be firmly fixed between the inversion circuit board and the heat-dissipating aluminum plate, and the stability of the whole structure is improved.
Further, an insulating heat-conducting gasket is arranged between the inversion power device and the heat-dissipating aluminum plate. The insulating heat-conducting gasket is a high-performance gap filling heat-conducting material, and has good viscosity, flexibility, compression performance and excellent heat conductivity. The insulating heat-conducting gasket is arranged at the transmission interface between the inversion power device and the heat-dissipating aluminum plate, so that the air between the inversion power device and the heat-dissipating aluminum plate can be discharged in an assisted manner, and the inversion power device and the heat-dissipating aluminum plate are fully contacted with each other, so that the best heat conduction and heat dissipation purposes are achieved.
Further, heat conduction silicone grease is coated between the heat dissipation aluminum plate and the radiator. The heat conducting silicone grease is also called as heat dissipating paste, and is a high heat conducting and insulating organic silicon material. The heat-conducting silicone grease takes organic silicone as a main raw material, and is added with materials with excellent heat resistance and heat conduction performance. And heat conduction silicone grease is smeared between the heat dissipation aluminum plate and the radiator and is used for heat conduction and heat dissipation of the inversion power device above the heat dissipation aluminum plate, so that the stability of the electric performance of the heat dissipation aluminum plate and the radiator is ensured.
Further, the rear side of the radiator is connected with a cooling fan. The heat dissipating fan is connected below the heat sink, and the heat dissipating fan is positioned as aligned as possible to the center of the heat sink. When the radiator is used, the air speed and the air quantity around the radiator are increased through the radiating fan, so that the overall radiating capacity of the radiator is improved.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has simple structure and effectively improves the stability during installation and use. The improved power inverter does not need to be additionally connected with a radiator and a radiator fan on the inverter circuit board, and the whole weight, the whole volume and the whole cost of the power inverter are greatly reduced. The inverter circuit board, the heat dissipation aluminum plate and the inversion power device form an inversion module, so that the inverter circuit board, the heat dissipation aluminum plate and the inversion power device are convenient to transplant on various power inverter products. In particular, by using the radiator of the power inverter to radiate heat, the capacity of the radiator is larger, the radiating effect is better, and the panel of the power inverter is not required to be provided with an air inlet and outlet grid, so that one surface of the power inverter with the inverter power device can keep the original closed structure, and the effect of an electromagnetic compatibility test is ensured.
Drawings
FIG. 1 is a diagram showing a connection structure of a radiator according to the background art of the utility model;
fig. 2 is a connection structure diagram of a radiator in the present utility model.
Marked in the figure as: 1. a power cover plate; 2. a power supply base plate; 3. a power supply side panel; 4. a heat sink; 5. a heat-dissipating aluminum plate; 6. a heat radiation fan; 7. an inverter circuit board; 8. an inverter power device.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.
It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.
Examples
The power inverter for improving heat dissipation efficiency provided in this embodiment is shown in fig. 1-2: including power apron 1 and power bottom plate 2, be connected through power side board 3 between power apron 1 and the power bottom plate 2, radiator 4 is connected between the power side board 3 of both sides, and place the fin of radiator 4 downwards, the upper end of radiator 4 is connected with inverter module, inverter module includes inverter circuit board 7 and heat dissipation aluminum plate 5, heat dissipation aluminum plate 5 connects the upper end at radiator 4, inverter circuit board 7 is then connected through inverter power device 8 to heat dissipation aluminum plate 5's upper end.
The embodiment further includes that the inverter circuit board 7 and the heat dissipation aluminum plate 5 are disposed vertically opposite to each other, and the inverter circuit board 7 is the same size as the heat dissipation aluminum plate 5. The size of the inverter circuit board 7 is the same as that of the heat-dissipating aluminum plate 5, and the mounting holes of the inverter power devices 8 formed in the heat-dissipating aluminum plate 5 correspond to the pin mounting holes in the inverter circuit board 7, so that the inverter power devices 8 can be firmly fixed between the inverter circuit board 7 and the heat-dissipating aluminum plate 5, and the stability of the whole structure is improved.
The embodiment further comprises that an insulating heat conduction gasket is arranged between the inverter power device 8 and the heat dissipation aluminum plate 5, and heat conduction silicone grease is coated between the heat dissipation aluminum plate 5 and the heat radiator 4. The insulating heat-conducting gasket is arranged at the transmission interface between the inversion power device 8 and the heat-dissipating aluminum plate 5, so that air between the inversion power device 8 and the heat-dissipating aluminum plate 5 can be discharged in an assisted mode, the inversion power device 8 and the heat-dissipating aluminum plate 5 are fully contacted, and therefore the best heat conduction and heat dissipation purposes are achieved. And heat conduction silicone grease is smeared between the heat dissipation aluminum plate 5 and the radiator 4 and is used for heat conduction and heat dissipation of the inverter power device 8 above the heat dissipation aluminum plate 5, so that the stability of the electric appliance performances of the heat dissipation aluminum plate 5 and the radiator 4 is ensured.
The present embodiment further includes a heat radiation fan 6 connected to the rear of the heat sink 4. The heat radiation fan 6 is attached below the heat sink 4, and the position of the heat radiation fan 6 is aligned with the center position of the heat sink 4 as much as possible. When in use, the air speed and the air quantity around the radiator 4 are increased by the cooling fan 6, so that the overall cooling capacity of the radiator 4 is improved.
Implementation and workflow:
before assembly, the circuit board manufacturer is used for punching pin mounting holes of all inverter power devices 8 on the inverter circuit board 7 in advance, and simultaneously, the heat dissipation aluminum plate 5 is also used for punching the mounting holes of all inverter power devices 8, so that the pin holes on the inverter circuit board 7 correspond to the mounting position holes on the heat dissipation aluminum plate 5.
When in assembly, the inverter power device 8 is connected and assembled on the heat dissipation aluminum plate 5, and the connection pins of the inverter power device 8 extend out of the pin holes on the inverter circuit board 7 for connection. Then, an insulating heat conduction gasket is placed between the inversion power device 8 and the heat dissipation aluminum plate 5, and the inversion power device 8, the heat dissipation aluminum plate 5 and the inversion circuit board 7 form an inversion module. And finally, connecting and installing the inversion module at the upper end of the radiator 4, and smearing heat-conducting silicone grease between the heat-dissipating aluminum plate 5 and the radiator 4.
All inverter power devices 8 of the radiator 4 are welded on the back surface of the inverter circuit board 7, and a heat-dissipating aluminum plate 5 with the same size as the inverter circuit board 7 is attached. The inverter circuit board 7, the inverter power device 8 and the heat dissipation aluminum plate 5 form an inverter module, and the inverter module is attached to the high-power radiator 4 of the power inverter. The auxiliary heat dissipation is carried out by combining the heat dissipation fan 6 of the power inverter, so that the wind speed and the wind quantity around the radiator can be increased, and the overall heat dissipation capacity of the radiator is improved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like should be construed broadly, as for example, the terms fixed, removable, or integral; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can lead the interior of two elements to be communicated or lead the two elements to be in interaction relationship. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The above is only a preferred embodiment of the present utility model, and other embodiments of the present utility model are also possible. It should be understood that modifications of the above-described embodiments, or equivalent substitutions of some technical features thereof may be made by those skilled in the art, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (5)
1. The utility model provides a promote radiating efficiency's power inverter which characterized in that: the power supply cover plate (1) is connected with the power supply bottom plate (2) through a power supply side panel (3), and the radiator (4) is connected between the power supply side panels (3) at two sides; the upper end face of radiator (4) is connected with inverter module, inverter module includes inverter circuit board (7) and heat dissipation aluminum plate (5), and heat dissipation aluminum plate (5) are connected the upper end of radiator (4), inverter circuit board (7) is then connected through inverter power device (8) to the upper end of heat dissipation aluminum plate (5).
2. The power inverter for improving heat dissipation efficiency according to claim 1, wherein: the inverter circuit board (7) and the heat dissipation aluminum plate (5) are arranged vertically opposite, and the sizes of the inverter circuit board (7) and the heat dissipation aluminum plate (5) are the same.
3. The power inverter for improving heat dissipation efficiency according to claim 1, wherein: an insulating heat conduction gasket is arranged between the inversion power device (8) and the heat dissipation aluminum plate (5).
4. The power inverter for improving heat dissipation efficiency according to claim 1, wherein: and heat conduction silicone grease is coated between the heat dissipation aluminum plate (5) and the radiator (4).
5. The power inverter for improving heat dissipation efficiency according to claim 1, wherein: the rear side of the radiator (4) is connected with a cooling fan (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320548851.4U CN219628226U (en) | 2023-03-20 | 2023-03-20 | Power inverter capable of improving heat dissipation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320548851.4U CN219628226U (en) | 2023-03-20 | 2023-03-20 | Power inverter capable of improving heat dissipation efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219628226U true CN219628226U (en) | 2023-09-01 |
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ID=87775705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320548851.4U Active CN219628226U (en) | 2023-03-20 | 2023-03-20 | Power inverter capable of improving heat dissipation efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219628226U (en) |
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2023
- 2023-03-20 CN CN202320548851.4U patent/CN219628226U/en active Active
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