CN213152722U - Heat dissipation device and photovoltaic inverter - Google Patents
Heat dissipation device and photovoltaic inverter Download PDFInfo
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- CN213152722U CN213152722U CN202022259861.5U CN202022259861U CN213152722U CN 213152722 U CN213152722 U CN 213152722U CN 202022259861 U CN202022259861 U CN 202022259861U CN 213152722 U CN213152722 U CN 213152722U
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- heat dissipation
- copper bar
- heating element
- base plate
- dissipation copper
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Abstract
The utility model discloses a heat abstractor, including the base plate that is used for installing heating element, install the heat dissipation copper bar on the base plate, be fixed with the heat dissipation main part on the heat dissipation copper bar, be equipped with plane laminating district and a plurality of interval arrangement's fin in the heat dissipation main part, the fin is located outside the plane laminating district, and heating element is close to plane laminating district setting, and heating element's pin passes heat dissipation copper bar and is connected with the base plate. The photovoltaic inverter comprises a photovoltaic inverter shell, and a photovoltaic inverter body and the heat dissipation device are arranged in the photovoltaic inverter shell. Through the plane laminating district setting that is close to the heat dissipation main part with heating element, and heating element's pin is connected through heat dissipation copper bar and base plate, and during the partial heat that heating element produced radiates the surrounding environment through the fin, another partial heat transmitted the outside through the heat dissipation copper bar on the base plate, simple to operate, cost are lower, under the prerequisite that does not increase product size almost, have improved the radiating effect greatly.
Description
Technical Field
The utility model relates to a heat abstractor technical field, concretely relates to heat abstractor and photovoltaic inverter.
Background
A photovoltaic inverter is a voltage converter that converts a variable dc voltage generated by a photovoltaic solar panel into a mains frequency ac. How to reduce the heat generation of the photovoltaic inverter and improve the heat dissipation efficiency is a difficult problem of the design of the photovoltaic inverter. Current photovoltaic inverter products seek higher energy densities while requiring smaller size and lighter weight inverters. Under such conditions, higher demands are placed on the design of the heat sink.
In order to achieve efficient heat dissipation, the conventional heat dissipation device generally increases the size of a heat sink to increase the heat dissipation area, or increases the space inside an inverter to accelerate heat dissipation, and selects a fan with higher performance to solve the heat dissipation problem. However, the above method causes problems of increased size and cost of the product, troublesome installation, and the like.
SUMMERY OF THE UTILITY MODEL
For solving the technical defect, the utility model discloses a technical scheme lie in, provide a heat abstractor, including the base plate that is used for installing heating element, install the heat dissipation copper bar on the base plate, be fixed with the heat dissipation main part on the heat dissipation copper bar, be equipped with plane laminating district and a plurality of interval arrangement's fin in the heat dissipation main part, the fin is located outside the plane laminating district, heating element is close to plane laminating district setting, heating element's pin passes heat dissipation copper bar and base connection.
Further, an insulating plate is arranged between the heat dissipation copper bar and the heat dissipation main body.
Further, the plane laminating area is provided with a mounting groove, and the mounting groove is internally matched with an insulating heat conducting fin tightly laminated with the heating element.
Furthermore, the upper surface and the lower surface of the substrate are both provided with heat dissipation copper bars, and the heat dissipation main body and the heating element are located on the upper surface of the substrate.
Further, a bending portion is arranged on the heat dissipation copper bar, a through hole is formed in the bending portion, an installation portion connected with the bending portion in a matched mode is arranged on the substrate, and pins of the heating elements penetrate through the through holes in a matched mode and are connected with the substrate.
Furthermore, the side edge of the heat dissipation copper bar on the upper surface of the base plate is provided with a copper bar extension part, and a gap is reserved between the copper bar extension part and the heat dissipation fin which are positioned on the same side.
Further, the heat dissipation copper bar comprises an inner heat dissipation copper bar and an outer heat dissipation copper bar, the outer heat dissipation copper bar is arranged around the inner heat dissipation copper bar, and an insulation gap is formed between the outer heat dissipation copper bar and the inner heat dissipation copper bar.
The utility model also provides a photovoltaic inverter, including the photovoltaic inverter casing, be equipped with the photovoltaic inverter body in the photovoltaic inverter casing, still be equipped with foretell heat abstractor in the photovoltaic inverter casing.
Compared with the prior art the utility model discloses technical scheme's beneficial effect does:
the utility model provides a pair of heat abstractor, through the plane laminating district setting that is close to the heat dissipation main part with heating element, and heating element's pin is through heat dissipation copper bar and substrate connection, and the partial heat that heating element produced radiates the surrounding environment through the fin in, and another part heat transmits the outside through the heat dissipation copper bar on the base plate, and simple to operate, cost are lower, under the prerequisite that does not increase product size hardly, have improved the radiating effect greatly.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a perspective view of a first orientation of a heat dissipation device according to an embodiment of the present invention;
fig. 2 is a perspective view of a second orientation of a heat dissipation device according to an embodiment of the present invention;
fig. 3 is a perspective view of a third orientation of a heat dissipation device provided in an embodiment of the present invention;
fig. 4 is a schematic structural view of a heat dissipation copper bar provided by the embodiment of the present invention.
The reference numbers are as follows:
1. heating element, 1a, pin, 2, base plate, 3, heat dissipation copper bar, 3a, the portion of bending, 3b, through-hole, 3c, copper bar extension, 31, interior heat dissipation copper bar, 32, outer heat dissipation copper bar, 4, heat dissipation main part, 41, plane laminating district, 42, fin, 5, insulation board, 6, insulating conducting strip.
Detailed Description
The invention will be further explained with reference to the drawings and the specific embodiments.
Example 1
Please refer to fig. 1-4, the utility model provides a heat dissipation device, including the base plate 2 that is used for installing heating element 1, install heat dissipation copper bar 3 on the base plate 2, be fixed with heat dissipation main part 4 on the heat dissipation copper bar 3, be equipped with plane laminating district 41 and a plurality of interval arrangement's fin 42 on the heat dissipation main part 4, fin 42 is located outside plane laminating district 41, heating element 1 is close to plane laminating district 41 and sets up, heating element 1's pin 1a passes heat dissipation copper bar 3 and is connected with base plate 2. Wherein, the plane attaching area 41 is located at one side of the heat dissipating body 4.
Specifically, the substrate 2 is a circuit board, a connecting hole is formed in the circuit board, and the heat dissipation copper bar 3 and the heating element 1 are electrically connected with the circuit board respectively. The heat dissipation copper bar 3 is provided with a bending portion 3a, the bending portion 3a is provided with a through hole 3b, the substrate 2 is provided with an installation portion connected with the bending portion 3a in a matched mode, and the pin 1a of the heating element 1 penetrates through the through hole 3b in a matched mode and is connected with the substrate 2. Wherein, the installation part is an installation hole.
Preferably, an insulating plate 5 is arranged between the bottom of the heat dissipation copper bar 3 and the bottom of the heat dissipation main body 4, and the insulating plate 5 is also arranged between the base plate 2 and the bottom of the heat dissipation copper bar 3. The plane attaching area 41 is provided with a mounting groove, and the mounting groove is internally provided with an insulating heat conducting fin 6 closely attached to the heating element 1 in a matching manner. The heat conduction capability and the insulating property of the heat dissipation device are improved.
Specifically, the heating element 1 is fixed to the insulating heat-conductive sheet 6 to enhance the stability of the structural connection.
Preferably, the upper and lower surfaces of the substrate 2 are both provided with heat dissipation copper bars 3, and the heat dissipation body 4 and the heating element 1 are located on the upper surface of the substrate 2.
Specifically, the copper bar extension portions 3c are arranged on the side edges of the heat dissipation copper bars 3 on the upper surface of the base plate 2, and gaps are reserved between the copper bar extension portions 3c and the heat dissipation fins 42 on the same side, so that the heat dissipation performance of the heat dissipation device is further improved.
As shown in fig. 4, specifically, the heat dissipating copper bar 3 on the upper surface of the substrate 2 includes an inner heat dissipating copper bar 31 and an outer heat dissipating copper bar 32, the outer heat dissipating copper bar 32 is disposed around the inner heat dissipating copper bar 31, and an insulating gap is disposed between the outer heat dissipating copper bar 32 and the inner heat dissipating copper bar 31, so as to realize separate throughflow of different paths and sharing of the heat sink 42.
The bending portions 3a of the inner heat dissipation copper bar 31 and the outer heat dissipation copper bar 32 are exposed outside the heat dissipation body 4 and are close to the plane attachment area 41, and the heating element 1 sequentially penetrates through the through hole 3b of the upper surface heat dissipation copper bar 3, the substrate 2 and the through hole 3b of the lower surface heat dissipation copper bar 3 and then is welded and fixed with the substrate 2 through solder paste.
Specifically, a plurality of heat dissipation copper bars 3 are arranged on the lower surface of the substrate 2 at intervals along the horizontal direction.
The utility model also provides a photovoltaic inverter, including the photovoltaic inverter casing, be equipped with photovoltaic inverter body and heat abstractor in the photovoltaic inverter casing. The heat dissipation device occupies a small size, utilizes the existing space and can realize a better heat dissipation effect.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A heat dissipation device, characterized in that: including base plate (2) that is used for installing heating element (1), install heat dissipation copper bar (3) on base plate (2), be fixed with heat dissipation main part (4) on heat dissipation copper bar (3), be equipped with fin (42) of plane laminating district (41) and a plurality of interval arrangement on heat dissipation main part (4), fin (42) are located outside plane laminating district (41), heating element (1) is close to plane laminating district (41) and sets up, pin (1a) of heating element (1) passes heat dissipation copper bar (3) and is connected with base plate (2).
2. The heat dissipating device of claim 1, wherein: an insulating plate (5) is arranged between the heat dissipation copper bar (3) and the heat dissipation main body (4).
3. The heat dissipating device of claim 1, wherein: the plane laminating district (41) is equipped with the mounting groove, the mounting groove fit in is equipped with insulating conducting strip (6) with heating element (1) close laminating.
4. The heat dissipating device of claim 1, wherein: the upper surface and the lower surface of the base plate (2) are both provided with heat dissipation copper bars (3), and the heat dissipation main body (4) and the heating element (1) are located on the upper surface of the base plate (2).
5. The heat dissipating device of claim 1 or 4, wherein: be equipped with portion of bending (3a) on heat dissipation copper bar (3), be equipped with through-hole (3b) on portion of bending (3a), be equipped with the installation department of being connected with portion of bending (3a) cooperation on base plate (2), pin (1a) cooperation of heating element (1) is passed through-hole (3b) and is connected with base plate (2).
6. The heat dissipating device of claim 4, wherein: copper bar extension parts (3c) are arranged on the side edges of the heat dissipation copper bars (3) on the upper surface of the base plate (2), and gaps are reserved between the copper bar extension parts (3c) and the heat dissipation fins (42) which are located on the same side.
7. The heat dissipating device of claim 1, wherein: the heat dissipation copper bar (3) comprises an inner heat dissipation copper bar (31) and an outer heat dissipation copper bar (32), the outer heat dissipation copper bar (32) is arranged around the inner heat dissipation copper bar (31), and an insulation gap is arranged between the outer heat dissipation copper bar (32) and the inner heat dissipation copper bar (31).
8. The utility model provides a photovoltaic inverter, includes photovoltaic inverter casing, be equipped with photovoltaic inverter body in the photovoltaic inverter casing, its characterized in that: the photovoltaic inverter shell is also internally provided with a heat dissipation device according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259861.5U CN213152722U (en) | 2020-10-12 | 2020-10-12 | Heat dissipation device and photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022259861.5U CN213152722U (en) | 2020-10-12 | 2020-10-12 | Heat dissipation device and photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213152722U true CN213152722U (en) | 2021-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022259861.5U Active CN213152722U (en) | 2020-10-12 | 2020-10-12 | Heat dissipation device and photovoltaic inverter |
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| Country | Link |
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| CN (1) | CN213152722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218499A (en) * | 2020-10-12 | 2021-01-12 | 锦浪科技股份有限公司 | Heat dissipation device and photovoltaic inverter |
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2020
- 2020-10-12 CN CN202022259861.5U patent/CN213152722U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218499A (en) * | 2020-10-12 | 2021-01-12 | 锦浪科技股份有限公司 | Heat dissipation device and photovoltaic inverter |
| CN112218499B (en) * | 2020-10-12 | 2024-07-26 | 锦浪科技股份有限公司 | Heat abstractor and photovoltaic inverter |
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