Efficient heat dissipation solar cell module

Abstract

The utility model discloses an efficient heat dissipation solar cell module, and relates to the technical field of solar cell modules. Comprising an aluminum frame, a back plate is fixedly connected to the inner side wall of the aluminum frame, a solar cell panel is fixedly connected to the upper surface of the back plate, a positioning plate is fixedly connected to the lower surface of the back plate, a junction box is fixedly connected to the outer wall of the positioning plate, and a rectangular opening is formed in the junction box; a sealing plate is hinged to the inner wall of the rectangular opening. When the junction box works in a high-temperature state for a long time, the heat dissipation fan is controlled to operate, the air collection cover is blown through the heat dissipation fan, air flow is conveyed into the junction box through the air supply pipe, air pressure in the junction box is enhanced, and therefore the sealing plate hinged to the inner side of the rectangular opening is blown open, and the junction box can conveniently dissipate heat in time; and the cooling fan stops running, the sealing plate resets under the action of self gravity, and the rectangular opening of the junction box is sealed, so that the safety performance of the junction box is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to solar cell module technical field especially relates to a high -efficient heat dissipation solar cell module. BACKGROUND

[0002] The solar cell module is by high -efficient monocrystal / polycrystal solar cell piece, toughened glass, encapsulating material (EVA, POE etc.), functional backboard, interconnection strip, busbar, junction box and aluminium alloy frame composition. The junction box as between the solar cell module constitutes the solar cell square and the solar charging control device's connecting device, its main function is connecting and protecting solar photovoltaic module, and the power with external line connection of solar cell is generated, and the current generated by solar cell module is conducted.

[0003] The junction box of solar cell module needs to be sealed and waterproof in actual application, ensures the safety of solar cell system when operating, the sealing property of the existing junction box is stronger, and the heat dissipation effect is often poor, and the cable is prone to aging when being used for a long time in high temperature environment, and the safety performance is low. SUMMARY

[0004] The utility model discloses a high -efficient heat dissipation solar cell module, solve the technical problem in the background art.

[0005] To realize the above -mentioned purpose, the utility model provides the following technical scheme: a kind of high -efficient heat dissipation solar cell module, including aluminium frame, the inner side wall of the aluminium frame is fixedly connected with backplate, the upper surface of the backplate is fixedly connected with solar cell panel, the lower surface of the backplate is fixedly connected with positioning plate, the outer wall of the positioning plate is fixedly connected with junction box, rectangular opening is set on the junction box, the inner wall of the rectangular opening is hinged with sealing plate, the lower surface of the backplate is fixedly connected with heat dissipation fan, the heat dissipation fan is below the junction box, the rear side wall of the heat dissipation fan is fixedly connected with wind collecting hood, the outer wall of the wind collecting hood is fixedly connected with air supply pipe, the end of the air supply pipe away from the wind collecting hood extends to the inside of the junction box, the junction box and the wind collecting hood are connected by air supply pipe.

[0006] Preferably, the lower surface of the backplate is fixedly connected with protective cover, rectangular slot is set on the protective cover, the inner wall of the rectangular slot is fixedly connected with dust screen, the protective cover is located the outside of the junction box and the heat dissipation fan.

[0007] Preferably, the left and right side walls of the protective cover are both provided with heat dissipation groove, the outer wall of the protective cover is symmetrically connected with baffle, and the baffle is located the outside of the heat dissipation groove.

[0008] Preferably, the outer wall of the protective cover is symmetrically provided with wiring slot.

[0009] Preferably, the outer wall of the aluminum frame is symmetrically connected with a support.

[0010] Preferably, the bottom of the junction box is provided with a ventilation slot.

[0011] Compared with the related art, the high-efficiency heat-dissipation solar cell module has the following beneficial effects:

[0012] 1. The high-efficiency heat-dissipation solar cell module, when the junction box works in a high-temperature state for a long time, controls the operation of the heat-dissipation fan, blows the air through the heat-dissipation fan to the air collecting cover, transmits the airflow to the junction box through the air supply pipe, enhances the air pressure inside the junction box, blows open the sealing plate hinged to the inner side of the rectangular opening, facilitates the heat dissipation of the junction box in time, and stops the operation of the heat-dissipation fan after heat dissipation, so that the sealing plate is reset by its own gravity, seals the rectangular opening of the junction box, and improves the safety performance of the junction box.

[0013] 2. The high-efficiency heat-dissipation solar cell module, the protective cover is fixed on the back plate through bolts, can prevent the junction box and the heat-dissipation fan from colliding, the rectangular groove is arranged at the bottom of the protective cover, can effectively reduce the possibility of rainwater entering the junction box while playing a ventilation role, and can effectively isolate mosquitoes from entering the inside of the protective cover through the dust screen, avoid the biting of cables by mosquitoes, and reduce the service life of the solar cell module.

[0014] 3. The high-efficiency heat-dissipation solar cell module, the cable is conveniently connected with external equipment through the junction slot and the protective cover, and the heat-dissipation groove is ventilated in real time, so that the junction box is protected through the protective cover, and heat dissipation is realized in time. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is a protective cover structure schematic view of the utility model;

[0017] Figure 3 It is a back plate structure schematic view of the utility model;

[0018] Figure 4 It is a junction box structure schematic view of the utility model;

[0019] Figure 5 It is a positioning plate structure schematic view of the utility model;

[0020] Figure 6 It is an enlarged view of A in the drawing of the utility model.

[0021] In the figure: 1, aluminum frame; 2, support; 3, back plate; 4, solar cell panel; 5, protective cover; 6, rectangular groove; 7, dust screen; 8, wiring groove; 9, baffle; 10, junction box; 11, positioning plate; 12, ventilation groove; 13, sealing plate; 14, cooling fan; 15, air collector; 16, air supply pipe; 17, rectangular opening. DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] Embodiment:

[0024] Please refer to Figures 1-6 The present application provides a technical solution: a high-efficiency heat-dissipation solar cell module, comprising an aluminum frame 1, the inner side wall of the aluminum frame 1 is fixedly connected with a back plate 3, the upper surface of the back plate 3 is fixedly connected with a solar cell panel 4, the lower surface of the back plate 3 is fixedly connected with a positioning plate 11, the outer wall of the positioning plate 11 is fixedly connected with a junction box 10, a rectangular opening 17 is formed in the junction box 10, the inner wall of the rectangular opening 17 is hingedly connected with a sealing plate 13, the lower surface of the back plate 3 is fixedly connected with a cooling fan 14, the cooling fan 14 is located below the junction box 10, the rear side wall of the cooling fan 14 is fixedly connected with an air collector 15, the outer wall of the air collector 15 is fixedly connected with an air supply pipe 16, one end of the air supply pipe 16 away from the air collector 15 extends to the inside of the junction box 10, the junction box 10 and the air collector 15 are connected in communication through the air supply pipe 16, and a ventilation groove 12 is formed in the bottom of the junction box 10.

[0025] In the present embodiment, when the solar cell module is in normal use, the sealing plate 13 on the junction box 10 covers the rectangular opening 17, sealing the rectangular opening 17 of the junction box 10, playing a waterproof role, ensuring the safety of the solar cell system during operation. When the junction box 10 works for a long time in a high-temperature state, the cooling fan 14 is controlled to operate, air is blown through the air collector 15 by the cooling fan 14, the air is transmitted to the junction box 10 through the air supply pipe 16, the air pressure inside the junction box 10 is increased, the sealing plate 13 hinged to the inner side of the rectangular opening 17 is blown open, and the ventilation of the junction box 10 is enhanced by the formation of the ventilation groove 12, facilitating the heat dissipation of the junction box 10. After heat dissipation, the cooling fan 14 stops operating, the sealing plate 13 resets under its own gravity, and continues to cover the rectangular opening 17, closing the rectangular opening 17 of the junction box 10.

[0026] In this embodiment, the lower surface of the back plate 3 is fixedly connected with a protective cover 5, the protective cover 5 is provided with a rectangular slot 6, the inner wall of the rectangular slot 6 is fixedly connected with a dust screen 7, and the protective cover 5 is located outside the junction box 10 and the cooling fan 14;

[0027] The protective cover 5 is fixed on the back plate 3 by bolts, can protect the junction box 10 and the cooling fan 14 from collision, the rectangular slot 6 is arranged at the bottom of the protective cover 5, can effectively reduce the possibility of rain entering the junction box 10 while playing a ventilation role, and the dust screen 7 can effectively isolate mosquitoes from entering the inside of the protective cover 5, avoid mosquitoes gnawing cables, and reduce the service life of the solar cell module;

[0028] In this embodiment, the left and right side walls of the protective cover 5 are provided with cooling slots, the outer wall of the protective cover 5 is symmetrically connected with a baffle 9, the baffle 9 is located outside the cooling slot, the outer wall of the protective cover 5 is symmetrically provided with a wiring slot 8, and the outer wall of the aluminum frame 1 is symmetrically connected with a support 2;

[0029] The wiring slot 8 facilitates the connection of the cable through the protective cover 5 and the external equipment, the baffle 9 protects the cooling slot from water, and the cooling slot ventilates in real time to effectively cool and improve safety performance while protecting the junction box 10 through the protective cover 5.

[0030] Working principle: when the junction box 10 works in a high temperature state for a long time, the cooling fan 14 is controlled to operate, air is blown to the air collecting cover 15 through the cooling fan 14, the air is transmitted to the junction box 10 through the air supply pipe 16, the air pressure inside the junction box 10 is increased, the sealing plate 13 hinged to the inside of the rectangular opening 17 is blown open, and the ventilation of the junction box 10 is enhanced by the arrangement of the ventilation slot 12, which facilitates the heat dissipation of the junction box 10. After the heat dissipation is completed, the cooling fan 14 stops operating, the sealing plate 13 is reset by its own gravity, continues to cover the rectangular opening 17, the rectangular opening 17 of the junction box 10 is closed, the protective cover 5 is fixed on the back plate 3 by bolts, can protect the junction box 10 and the cooling fan 14 from collision, the rectangular slot 6 is arranged at the bottom of the protective cover 5, can effectively reduce the possibility of rain entering the junction box 10 while playing a ventilation role, and the dust screen 7 can effectively isolate mosquitoes from entering the inside of the protective cover 5, avoid mosquitoes gnawing cables, and reduce the service life of the solar cell module, the wiring slot 8 facilitates the connection of the cable through the protective cover 5 and the external equipment, the baffle 9 protects the cooling slot from water, and the cooling slot ventilates in real time to effectively cool and improve safety performance while protecting the junction box 10 through the protective cover 5.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency heat-dissipation solar cell module comprising an aluminum frame (1), characterized in that: The inner side wall of the aluminum frame (1) is fixedly connected with a back plate (3), the upper surface of the back plate (3) is fixedly connected with a solar cell panel (4), the lower surface of the back plate (3) is fixedly connected with a positioning plate (11), the outer wall of the positioning plate (11) is fixedly connected with a junction box (10), a rectangular opening (17) is formed in the junction box (10), the inner wall of the rectangular opening (17) is hingedly connected with a sealing plate (13), the lower surface of the back plate (3) is fixedly connected with a cooling fan (14), the cooling fan (14) is located below the junction box (10), the rear side wall of the cooling fan (14) is fixedly connected with a wind collecting cover (15), the outer wall of the wind collecting cover (15) is fixedly connected with a air supply pipe (16), one end of the air supply pipe (16) away from the wind collecting cover (15) extends to the inside of the junction box (10), the junction box (10) and the wind collecting cover (15) are connected in communication through the air supply pipe (16).

2. The high-efficiency heat-dissipation solar cell module according to claim 1, characterized in that: The lower surface of the back plate (3) is fixedly connected with a protective cover (5), a rectangular groove (6) is formed in the protective cover (5), the inner wall of the rectangular groove (6) is fixedly connected with a dust screen (7), the protective cover (5) is located outside the junction box (10) and the cooling fan (14).

3. The high-efficiency heat-dissipation solar cell module according to claim 2, characterized in that: The left and right side walls of the protective cover (5) are both provided with cooling grooves, the outer wall of the protective cover (5) is symmetrically connected with a baffle (9), and the baffle (9) is located outside the cooling grooves.

4. The high-efficiency heat-dissipation solar cell module according to claim 2, characterized in that: The outer wall of the protective cover (5) is symmetrically provided with a junction groove (8).

5. The high-efficiency heat-dissipation solar cell module according to claim 1, characterized in that: The outer wall of the aluminum frame (1) is symmetrically connected with a support (2).

6. The high-efficiency heat-dissipation solar cell module according to claim 1, characterized in that: The bottom of the junction box (10) is provided with a ventilation groove (12).

Images