Heat dissipation device for photovoltaic module and photovoltaic module comprising same

Abstract

The utility model relates to a heat dissipation device used for a photovoltaic assembly, the heat dissipation assembly is arranged on a backlight surface of a photovoltaic panel used for power generation of the photovoltaic assembly, the heat dissipation device comprises a fixing plate, the fixing plate is of a rectangular structure, the size of the fixing plate is matched with that of the photovoltaic panel to be subjected to heat dissipation, and fixing holes are arranged near four vertexes of the fixing plate. The fixing plate is fixedly connected with the photovoltaic panel through the fixing holes, and heat dissipation protrusions are arranged on the face, back on to the photovoltaic panel, of the fixing plate and used for increasing the heat dissipation area. And the heat dissipation mechanism is provided with a contact pipe, the contact pipe is arranged between the fixing plate and the photovoltaic panel, and the contact pipe is connected with the connecting pipe and used for leading out heat of the photovoltaic panel. According to the heat dissipation device for the photovoltaic module, the heat dissipation efficiency can be improved, so that the photovoltaic panel is protected, and the service life of the photovoltaic module is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic radiators, and in particular to a heat dissipation device for a photovoltaic module and a photovoltaic module comprising the device. Background Art

[0002] Photovoltaic modules are key components for solar power generation. They convert solar energy into electrical energy and are the core components of solar power generation systems. Photovoltaic modules use the energy of solar photons to generate electric current. This is achieved through the photovoltaic effect in semiconductor materials. When sunlight shines on the solar cells of photovoltaic modules, photons excite electrons, thereby generating electric current.

[0003] However, long-term operation of PV modules at high temperatures will cause rapid aging of the PV modules, shorten the service life of the PV modules, or lead to increased maintenance and power generation costs.

[0004] To address this problem, the existing Chinese patent CN219124176U provides a photovoltaic module radiator based on a micro heat pipe array. The device is connected to the back of the photovoltaic module body through micro heat pipes and uses a cooling fan to dissipate heat from the cooling fins. However, its heat dissipation efficiency is not high, its heat dissipation area is not large enough, and the heat dissipation speed is low.

[0005] Therefore, there is an urgent need to develop a heat dissipation device with a higher heat dissipation speed for use in photovoltaic modules to extend the service life of the photovoltaic modules. Summary of the invention

[0006] The technical problem to be solved by the utility model is how to provide a heat dissipation device with higher heat dissipation speed for use in photovoltaic modules to extend the service life of the photovoltaic modules.

[0007] In order to solve the above technical problems, according to one aspect of the utility model, a heat dissipation device for a photovoltaic module is provided, the heat dissipation module is arranged on the backlight surface of the photovoltaic panel of the photovoltaic module for power generation, the heat dissipation device comprises: a fixing plate, the fixing plate is a rectangular structure, the size of which matches the photovoltaic panel to be cooled, fixing holes are arranged near four vertices of the fixing plate, the fixing plate is fixedly connected to the photovoltaic panel through the fixing holes, wherein a heat dissipation protrusion is arranged on the side of the fixing plate facing away from the photovoltaic panel, so as to increase the heat dissipation area; a heat dissipation mechanism, the heat dissipation mechanism has a contact tube, the contact tube is arranged between the fixing plate and the photovoltaic panel, the contact tube is connected to the connecting tube, and is used to export the heat of the photovoltaic panel.

[0008] According to an embodiment of the utility model, the heat dissipation mechanism may also include: a water storage component having a water tank and a connecting port, the contact tube is connected to the water tank through the connecting tube and the connecting port, so as to introduce the heat on the photovoltaic panel into the water tank and the water in the water tank.

[0009] According to an embodiment of the utility model, the water tank may further include a heat dissipation component for dissipating heat for the water tank.

[0010] According to an embodiment of the present utility model, the heat dissipation component may include: a heat sink.

[0011] According to an embodiment of the present invention, the heat sinks may be arranged in parallel in a plurality of groups and vertically disposed on the outer surface of the water storage tank on a side away from the photovoltaic panel.

[0012] According to the embodiment of the utility model, a heat dissipation hole can be provided in the middle of the heat dissipation fin to facilitate air circulation between the heat dissipation fins and to facilitate heat dissipation.

[0013] According to an embodiment of the utility model, the heat dissipation protrusions may be hemispherical, and the heat dissipation protrusions are evenly distributed on a surface of a side of the fixing plate away from the photovoltaic panel.

[0014] According to an embodiment of the utility model, the cross-section of the contact tube may be rectangular so as to better fit the photovoltaic panel and have a large contact area, which is beneficial for heat conduction.

[0015] According to an embodiment of the present invention, the material of the contact tube may be copper.

[0016] According to another aspect of the utility model, a photovoltaic assembly is provided, comprising the above heat dissipation device for the photovoltaic assembly, wherein the heat dissipation device is installed on the backlight surface of the photovoltaic panel of the photovoltaic assembly for power generation.

[0017] Compared with the prior art, the technical solution provided by the embodiment of the utility model can at least achieve the following beneficial effects:

[0018] The utility model makes the contact tube contact with the photovoltaic component, so that part of the heat in the contact tube is transferred to the fixed plate. The fixed plate is provided with a plurality of heat dissipation protrusions to increase the surface area of ​​the fixed plate, thereby dissipating the heat in the fixed plate and improving its heat dissipation efficiency.

[0019] The utility model fixes the fixing plate through the fixing holes, so that the contact tube contacts the photovoltaic component that needs heat dissipation, and can better conduct the heat generated by the photovoltaic component. The contact tube is connected to the water tank through the connecting tube. Since water has a large specific heat capacity, the heat of the fixing plate can be better transferred into the water through the connecting tube. In addition, the top of the water tank is provided with heat dissipation fins and heat dissipation holes, which is beneficial to the heat dissipation of the water tank, reduces the temperature of the water tank, and reduces the water temperature inside the water tank, thereby improving the heat dissipation efficiency, protecting the photovoltaic panel, and extending the service life of the photovoltaic component. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings in the following description only relate to some embodiments of the present utility model, rather than limiting the present utility model.

[0021] Figure 1 Schematic diagram showing a heat dissipation device for a photovoltaic module according to an embodiment of the utility model;

[0022] Figure 2 yes Figure 1 Schematic diagram of the back side;

[0023] Figure 3 is an exploded view of a heat dissipation device according to an embodiment of the utility model;

[0024] Figure 4 Schematic diagram of a water storage tank according to an embodiment of the utility model. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Unless otherwise defined, the technical or scientific terms used herein shall have the common meanings understood by persons with ordinary skills in the field to which the utility model belongs. The words "first", "second" and similar words used in the patent application specification and claims of the utility model do not indicate any order, quantity or importance, but are only used to distinguish different components. Similarly, words such as "one" or "a" do not indicate a quantity limitation, but indicate the existence of at least one.

[0027] Figure 1 is a schematic diagram showing a heat dissipation device for a photovoltaic module according to an embodiment of the utility model; Figure 2 yes Figure 1 Schematic diagram of the back side.

[0028] The heat dissipation component 24 for the photovoltaic module is arranged on the backlight surface of the photovoltaic panel used for power generation of the photovoltaic module. Figures 1 to 2 As shown, the heat dissipation device for photovoltaic modules includes: a fixing plate 1 and a heat dissipation mechanism 2.

[0029] The fixing plate 1 is a rectangular structure, and its size matches the photovoltaic panel to be cooled. Fixing holes 4 are arranged near the four vertices of the fixing plate 1, and the fixing plate 1 is fixedly connected to the photovoltaic panel through the fixing holes 4. A heat dissipation protrusion 3 is arranged on the side of the fixing plate 1 facing away from the photovoltaic panel to increase the heat dissipation area.

[0030] The heat dissipation mechanism 2 has a contact tube 21 . The contact tube 21 is arranged between the fixing plate 1 and the photovoltaic panel. The contact tube 21 is connected to a connecting tube 22 for dissipating the heat of the photovoltaic panel.

[0031] According to one or some embodiments of the present invention, the heat dissipation protrusions 3 are hemispherical, and the heat dissipation protrusions 3 are evenly distributed on a surface of one side of the fixing plate 1 away from the photovoltaic panel.

[0032] The utility model makes the contact tube 21 contact with the photovoltaic module, so that part of the heat in the contact tube 21 is transferred to the fixed plate 1. The fixed plate 1 is provided with multiple heat dissipation protrusions 3 to increase the surface area of ​​the fixed plate 1, thereby dissipating the heat in the fixed plate 1 and improving its heat dissipation efficiency.

[0033] Figure 3 is an exploded view of a heat dissipation device according to an embodiment of the utility model.

[0034] like Figure 3 As shown, the heat dissipation mechanism 2 further includes: a water storage component 23 having a water storage tank 231 and a connection port 232 .

[0035] The contact tube 21 is connected to the water tank 231 through the connecting tube 22 and the connecting port 232 , so as to introduce the heat on the photovoltaic panel into the water tank 231 and the water in the water tank 231 .

[0036] According to one or some embodiments of the present invention, the water tank 231 further includes a heat dissipation component 24 for dissipating heat for the water tank 231 .

[0037] Figure 4 Schematic diagram of a water tank according to an embodiment of the utility model.

[0038] like Figure 4 As shown, the heat dissipation assembly 24 includes: a heat sink 241 .

[0039] According to one or some embodiments of the present invention, the heat sinks 241 are arranged in parallel in a plurality of groups and are vertically disposed on the outer surface of the water tank 231 on a side away from the photovoltaic panel.

[0040] According to one or some embodiments of the present invention, a heat dissipation hole 242 is provided in the middle of the heat dissipation fin 241 to facilitate air circulation between the heat dissipation fins 241 and to facilitate heat dissipation.

[0041] The utility model fixes the fixing plate 1 through the fixing hole 4, so that the contact tube 21 contacts the photovoltaic module that needs heat dissipation, and can better conduct the heat generated by the photovoltaic module. The contact tube 21 is connected to the water tank 231 through the connecting tube 22. Since water has a large specific heat capacity, the heat of the fixing plate 1 is better transferred into the water through the connecting tube 22. In addition, the top of the water tank 231 is provided with a heat sink 241 and a heat dissipation hole 242, which is conducive to the heat dissipation of the water tank 231, so that the temperature of the water tank 231 is reduced, and the water temperature inside the water tank 231 is reduced, thereby improving the heat dissipation efficiency. It can protect the photovoltaic panel and extend the service life of the photovoltaic module.

[0042] According to one or some embodiments of the present invention, the cross-section of the contact tube 21 is rectangular so as to better fit the photovoltaic panel and have a large contact area, which is beneficial for heat conduction.

[0043] According to one or some embodiments of the present invention, the contact tube 21 is made of copper.

[0044] According to another aspect of the utility model, a photovoltaic assembly is provided, comprising the above heat dissipation device for the photovoltaic assembly, wherein the heat dissipation device is installed on the backlight surface of the photovoltaic panel of the photovoltaic assembly for power generation.

[0045] The above description is merely an exemplary embodiment of the present invention and is not intended to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A heat dissipation device for a photovoltaic module, characterized in that: The heat dissipation device is arranged on the backlight surface of the photovoltaic panel of the photovoltaic assembly for power generation, and the heat dissipation device comprises: A fixing plate, the fixing plate is a rectangular structure, the size of which matches the photovoltaic panel, the fixing plate is provided with fixing holes near four vertices, the fixing plate is fixedly connected to the photovoltaic panel through the fixing holes, wherein a heat dissipation protrusion is provided on a side of the fixing plate facing away from the photovoltaic panel, for increasing the heat dissipation area; The heat dissipation mechanism comprises a contact tube, the contact tube is arranged between the fixing plate and the photovoltaic panel, the contact tube is connected to the connecting tube, and is used for dissipating the heat of the photovoltaic panel.

2. The heat dissipation device for photovoltaic modules according to claim 1, characterized in that: The heat dissipation mechanism also includes: a water storage component having a water storage tank and a connecting port, and the contact pipe is connected to the water storage tank through the connecting pipe and the connecting port, so as to guide the heat on the photovoltaic panel into the water storage tank and the water in the water storage tank.

3. The heat dissipation device for photovoltaic modules according to claim 2, characterized in that: The water tank also includes a heat dissipation component for dissipating heat for the water tank.

4. The heat dissipation device for photovoltaic modules according to claim 3, characterized in that: The heat dissipation component includes: a heat sink.

5. The heat dissipation device for photovoltaic modules according to claim 4, characterized in that: The heat sinks are arranged in parallel in a plurality of groups and are vertically arranged on the outer surface of the water storage tank at a side away from the photovoltaic panel.

6. The heat dissipation device for photovoltaic modules according to claim 5, characterized in that: A heat dissipation hole is arranged in the middle of the heat dissipation fin to facilitate air circulation between the heat dissipation fins and to facilitate heat dissipation.

7. The heat dissipation device for photovoltaic modules according to claim 1, characterized in that: The heat dissipation protrusions are hemispherical and are evenly distributed on a surface of a side of the fixing plate away from the photovoltaic panel.

8. The heat dissipation device for photovoltaic modules according to claim 1, characterized in that: The cross section of the contact tube is rectangular so as to better fit the photovoltaic panel, with a large contact area, which is beneficial for heat conduction.

9. The heat dissipation device for photovoltaic modules according to claim 1, characterized in that: The contact tube is made of copper.

10. A photovoltaic module, characterized in that: It comprises a heat dissipation device for a photovoltaic module as described in any one of claims 1 to 9, wherein the heat dissipation device is installed on the backlight surface of a photovoltaic panel of the photovoltaic module for generating electricity.

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