CN220858784U - Photovoltaic inverter heat radiation structure - Google Patents
Photovoltaic inverter heat radiation structure Download PDFInfo
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- CN220858784U CN220858784U CN202322517526.4U CN202322517526U CN220858784U CN 220858784 U CN220858784 U CN 220858784U CN 202322517526 U CN202322517526 U CN 202322517526U CN 220858784 U CN220858784 U CN 220858784U
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- Prior art keywords
- lower shell
- heat dissipation
- photovoltaic inverter
- inferior valve
- air
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- 230000005855 radiation Effects 0.000 title claims description 15
- 230000017525 heat dissipation Effects 0.000 claims abstract description 33
- 239000004065 semiconductor Substances 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000005057 refrigeration Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Inverter Devices (AREA)
Abstract
The utility model discloses a radiating structure of a photovoltaic inverter, which belongs to the technical field of photovoltaic inverters and comprises a lower shell, wherein one end of the lower shell is provided with a plurality of air inlets, one end of the lower shell is fixedly connected with an air inlet cover, one end of the air inlet cover is fixedly sleeved with a semiconductor refrigerating sheet, and a heating surface of the semiconductor refrigerating sheet extends to the outside of the air inlet cover and is fixedly connected with radiating fins. In the utility model, the heat in the inner cavity of the lower shell is led out through the heat dissipation plate, in addition, when the temperature in the lower shell reaches a preset value, the heat dissipation fan is used for exhausting hot air in the lower shell, external air enters the lower shell from the semiconductor refrigerating sheet and the heat dissipation fan, the air is cooled through the cold guide fins of the refrigerating surface of the semiconductor refrigerating sheet, and the cooled air is used for exchanging heat with the inner cavity of the lower shell, so that the cooling of the photovoltaic inverter is realized, and the practicability is improved.
Description
Technical Field
The utility model relates to the technical field of photovoltaic inverters, in particular to a photovoltaic inverter heat dissipation structure.
Background
The photovoltaic inverter can convert variable direct voltage generated by the photovoltaic solar panel into an inverter of alternating current with the mains frequency, and the inverter can be fed back to a commercial power transmission system or used by an off-grid power grid, the photovoltaic inverter is composed of a shell and a photovoltaic inverter instrument, the photovoltaic inverter instrument in the shell generates heat during operation, the heat needs to be dissipated timely, and the service life and the service efficiency of the photovoltaic inverter instrument are prevented from being influenced by the heat.
Through searching, the utility model patent with the bulletin number of CN208581170U discloses a photovoltaic inverter heat radiation structure, which comprises a shell, wherein the shell comprises an upper shell, a lower shell, a left baffle and a right baffle, the upper shell, the lower shell, the left baffle and the right baffle form a cavity, an air outlet hole is formed in the right baffle, a fan is arranged in the cavity relative to the air outlet hole, a heat radiation component is arranged between the fan and the left baffle, and the heat radiation component comprises a heat radiation plate perpendicular to the right baffle. This structure can be high-efficient dispel the heat to the inside electrical component of dc-to-ac converter.
However, the above patent has the following disadvantages: the effect of introducing air with natural temperature into the shell for cooling through the fan is limited, and the effect is poor when the temperature of the external air is hot; and the temperature on the shell radiating ribs naturally dissipates heat slowly, so that the heat dissipation speed is influenced. Therefore, we propose a photovoltaic inverter heat dissipation structure.
Disclosure of utility model
Aiming at the problems in the prior art, the utility model aims to provide a radiating structure of a photovoltaic inverter.
In order to solve the problems, the utility model adopts the following technical scheme:
The utility model provides a photovoltaic inverter heat radiation structure, includes the inferior valve, a plurality of inlet port has been seted up to the one end of inferior valve, the one end fixedly connected with inlet hood of inferior valve, the one end fixed sleeve of inlet hood has semiconductor refrigeration piece, the heating face of semiconductor refrigeration piece extends to the outside of inlet hood and fixedly connected with radiating fin, the cooling face of semiconductor refrigeration piece extends to the inboard of inlet hood and fixedly connected with cooling fin, the other end fixed mounting of inferior valve has the radiator fan, the tip of inferior valve is provided with heat dissipation mechanism, the both sides of inferior valve are fixed sleeve of heating panel respectively.
As a preferable scheme of the utility model, the heat dissipation mechanism comprises a diversion box fixedly connected with the other end of the lower shell, two ends of the diversion box respectively extend to two sides of the lower shell, and two ends of the inner side surface of the diversion box are respectively provided with a diversion trench.
As a preferable scheme of the utility model, the inner wall of the lower shell is fixedly provided with a temperature sensor, and the inner wall of the lower shell is fixedly provided with a controller.
As a preferable scheme of the utility model, the bottom surface of the inner cavity of the lower shell is provided with a plurality of support screw columns, and the top ends of the support screw columns are fixedly provided with a photovoltaic inverter.
As a preferable scheme of the utility model, the top and the bottom of the inner cavity of the air inlet cover are provided with filter screens.
As a preferable mode of the utility model, the top of the lower shell is fixedly provided with an upper shell.
Compared with the prior art, the utility model has the advantages that:
(1) In the utility model, the heat in the inner cavity of the lower shell is conducted out through the heat dissipation plate, in addition, when the temperature in the lower shell reaches a preset value, hot air in the lower shell is exhausted through the heat dissipation fan, external air enters the lower shell from the semiconductor refrigerating sheet and the heat dissipation fan, the air is cooled through the cold conduction fins of the refrigerating surface of the semiconductor refrigerating sheet, and the cooled air is used for exchanging heat for the inner cavity of the lower shell, so that the cooling of the photovoltaic inverter is realized.
(2) According to the utility model, through the cooperation of the diversion box and the diversion trench, when the heat radiation fan discharges the hot air in the lower shell, the diversion trench is utilized to conduct diversion of the hot air, so that the hot air blows to the heat radiation plate to blow away the heat on the heat radiation plate, and therefore, the heat radiation on the heat radiation plate is accelerated, and the practicality is good.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is a schematic cross-sectional view of the lower shell of the present utility model;
Fig. 4 is a schematic view of the structure of the lower case of the present utility model.
The reference numerals in the figures illustrate:
1. A lower case; 2. an upper case; 3. a heat dissipation fan; 4. an air inlet hole; 5. an air inlet cover; 6. a semiconductor refrigeration sheet; 7. a cold guide fin; 8. a heat radiation fin; 9. a filter screen; 10. a heat dissipation mechanism; 11. a heat dissipation plate; 12. a diversion box; 13. a diversion trench; 14. supporting the threaded column; 15. a photovoltaic inversion instrument; 16. a temperature sensor; 17. and a controller.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
Referring to fig. 1-4, a heat dissipation structure of a photovoltaic inverter includes a lower shell 1, one end of the lower shell 1 is provided with a plurality of air inlet holes 4, one end of the lower shell 1 is fixedly connected with an air inlet cover 5, one end of the air inlet cover 5 is fixedly sleeved with a semiconductor cooling plate 6, a heating surface of the semiconductor cooling plate 6 extends to the outside of the air inlet cover 5 and is fixedly connected with a heat dissipation fin 8, a cooling surface of the semiconductor cooling plate 6 extends to the inner side of the air inlet cover 5 and is fixedly connected with a cold guide fin 7, the other end of the lower shell 1 is fixedly provided with a heat dissipation fan 3, the end part of the lower shell 1 is provided with a heat dissipation mechanism 10, and two sides of the lower shell 1 are fixedly sleeved with heat dissipation plates 11 respectively.
Specifically, referring to fig. 2, the heat dissipation mechanism 10 includes a diversion box 12 fixedly connected to the other end of the lower casing 1, two ends of the diversion box 12 respectively extend to two sides of the lower casing 1, and two ends of an inner side surface of the diversion box 12 are respectively provided with a diversion trench 13.
In this embodiment, the air blown out from the heat dissipation fan 3 is guided by the guide grooves 13, and the air is guided to the heat dissipation plate 11.
Specifically, referring to fig. 2, a temperature sensor 16 is fixedly installed on the inner wall of the lower case 1, and a controller 17 is fixedly installed on the inner wall of the lower case 1.
In this embodiment, the temperature of the inner cavity of the lower case 1 is detected by the controller 17, and the heat radiation fan 3 and the semiconductor refrigeration sheet 6 are controlled by the controller 17.
Specifically, referring to fig. 3, a plurality of support screw columns 14 are disposed on the bottom surface of the inner cavity of the lower housing 1, and a photovoltaic inverter 15 is fixedly mounted on top of the support screw columns 14.
In this embodiment, the photovoltaic inverter apparatus 15 is supported by the support screw column 14, so that the photovoltaic inverter apparatus 15 is installed in the inner cavity of the lower case 1.
Specifically, referring to fig. 1, filter screens 9 are disposed at the top and bottom of the inner cavity of the air intake cover 5.
In this embodiment, the dust in the air is filtered by the filter screen 9, so as to prevent the dust from entering the inner cavity of the lower shell 1 from the air inlet hole 4.
Specifically, referring to fig. 1, an upper case 2 is fixedly installed on top of a lower case 1.
In this embodiment, the photovoltaic inverter apparatus 15 is installed by removing the upper case 2.
Working principle: when the photovoltaic inverter device is used, the photovoltaic inverter device 15 operates to generate heat, the heat in the inner cavity of the lower shell 1 is dissipated through the heat dissipation plate 11, the temperature in the lower shell 1 is detected by the temperature sensor 16, when the temperature in the lower shell 1 reaches a preset value, the heat dissipation fan 3 and the semiconductor refrigerating sheet 6 are controlled by the controller 17 to be started, the refrigerating surface of the semiconductor refrigerating sheet 6 is enabled to generate coldness and conduct onto the cold guide fins 7, meanwhile, the heat in the lower shell 1 is led out by the heat dissipation fan 3, in addition, the inner cavity of the lower shell 1 generates negative pressure to enable outside air to enter from the top and the bottom of the air inlet cover 5 and the air inlet 4, dust in the air is filtered by the filter screen 9, the air is cooled by the coldness and the coldness of the air on the cold guide fins 7, the cooled air enters into the photovoltaic inverter device 15 in the inner cavity of the lower shell 1 from the air inlet 4, in addition, the hot air blown out by the heat dissipation fan 3 is guided by the guide grooves 13, and the guided wind blows the heat outside the heat dissipation plate 11, and the heat is dissipated.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution and the modified concept thereof, within the scope of the present utility model.
Claims (6)
1. The utility model provides a photovoltaic inverter heat radiation structure, includes inferior valve (1), its characterized in that: a plurality of inlet ports (4) have been seted up to the one end of inferior valve (1), the one end fixedly connected with inlet cap (5) of inferior valve (1), the one end of inlet cap (5) is fixed to be cup jointed semiconductor refrigeration piece (6), the heating face of semiconductor refrigeration piece (6) extends to the outside of inlet cap (5) and fixedly connected with radiating fin (8), the cooling face of semiconductor refrigeration piece (6) extends to the inboard of inlet cap (5) and fixedly connected with cooling fin (7), the other end fixed mounting of inferior valve (1) has radiator fan (3), the tip of inferior valve (1) is provided with cooling mechanism (10), the both sides of inferior valve (1) are fixed respectively to have cup jointed heating panel (11).
2. The photovoltaic inverter heat dissipation structure of claim 1, wherein: the heat dissipation mechanism (10) comprises a diversion box (12) fixedly connected to the other end of the lower shell (1), two ends of the diversion box (12) respectively extend to two sides of the lower shell (1), and two ends of the inner side surface of the diversion box (12) are respectively provided with diversion trenches (13).
3. The photovoltaic inverter heat dissipation structure of claim 1, wherein: the inner wall of the lower shell (1) is fixedly provided with a temperature sensor (16), and the inner wall of the lower shell (1) is fixedly provided with a controller (17).
4. The photovoltaic inverter heat dissipation structure of claim 1, wherein: the bottom surface of inferior valve (1) inner chamber is provided with a plurality of support screw thread post (14), the top fixed mounting of support screw thread post (14) has photovoltaic contravariant instrument (15).
5. The photovoltaic inverter heat dissipation structure of claim 1, wherein: the top and the bottom of the inner cavity of the air inlet cover (5) are respectively provided with a filter screen (9).
6. The photovoltaic inverter heat dissipation structure of claim 1, wherein: an upper shell (2) is fixedly arranged at the top of the lower shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322517526.4U CN220858784U (en) | 2023-09-16 | 2023-09-16 | Photovoltaic inverter heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322517526.4U CN220858784U (en) | 2023-09-16 | 2023-09-16 | Photovoltaic inverter heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220858784U true CN220858784U (en) | 2024-04-26 |
Family
ID=90746478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322517526.4U Active CN220858784U (en) | 2023-09-16 | 2023-09-16 | Photovoltaic inverter heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220858784U (en) |
-
2023
- 2023-09-16 CN CN202322517526.4U patent/CN220858784U/en active Active
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