Integrated dual-channel heat dissipating photovoltaic junction box device

Abstract

The utility model relates to photovoltaic junction box technical field, and disclose integrated double -channel heat dissipation photovoltaic junction box device, solve the problem that the current photovoltaic junction box does not heat dissipation comprehensively and low heat dissipation efficiency, it includes lower casing and upper casing, one end of lower casing is provided with heat dissipation component no.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic junction box technology, specifically an integrated dual-channel heat dissipation photovoltaic junction box device. Background Technology

[0002] A photovoltaic junction box connects the electricity generated by solar cells to external lines and conducts the current generated by the photovoltaic module. The junction box typically contains components such as circuit boards, diodes, and terminals. Therefore, the junction box generates heat during normal operation. Existing heat dissipation methods generally utilize a heat-conducting plate and a cooling fan to indirectly transfer heat. The cooling fan dissipates heat from the heat sink, indirectly cooling the internal diodes, terminals, and other components. However, this method suffers from incomplete heat dissipation and low efficiency. Therefore, this application proposes an integrated dual-channel heat dissipation photovoltaic junction box device. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, this utility model provides an integrated dual-channel heat dissipation photovoltaic junction box device, which effectively solves the problems of incomplete heat dissipation and low heat dissipation efficiency of existing photovoltaic junction boxes.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an integrated dual-channel heat dissipation photovoltaic junction box device, comprising a lower housing and an upper housing, the lower housing and the upper housing being connected by several bolts; a heat dissipation component 1 is fixedly installed at one end of the lower housing, and an exhaust port 1 is fixedly installed at the end of the lower housing away from the heat dissipation component 1; a heat dissipation component 2 is fixedly installed at one end of the upper housing, and an exhaust port 2 is fixedly installed at the end of the upper housing away from the heat dissipation component 2; a central insulating support plate is installed at the top inside the lower housing, forming a first heat dissipation channel between the central insulating support plate and the lower housing that communicates with the heat dissipation component 1 and the exhaust port 1; a second heat dissipation channel is formed between the central insulating support plate and the upper housing that communicates with the heat dissipation component 2 and the exhaust port 2; a microcontroller electrically connected to the heat dissipation component 1 and the heat dissipation component 2 is installed at the bottom inside the lower housing; and temperature and humidity sensors are installed inside both the first and second heat dissipation channels.

[0005] Both heat dissipation component one and heat dissipation component two consist of an air inlet shroud, several cooling fans, an air filter element, and an electric heating grid. The cooling fans are connected to one end inside the air inlet shroud, the air filter element is inserted into the inside of the air inlet shroud, and the electric heating grid is fixedly connected to the middle position inside the air inlet shroud.

[0006] Preferably, L-shaped support legs are fixedly provided at each of the four corners of the bottom end of the lower housing.

[0007] Preferably, a plurality of overhead support columns are fixedly installed at the bottom of the lower housing, and the central insulating support plate is connected to the overhead support columns by bolts.

[0008] Preferably, the air inlet shroud is provided with an air inlet protective net at one end near the cooling fan, and the top of the air inlet shroud near the cooling fan has a plug slot that matches the air filter element.

[0009] Preferably, the top of the air filter element is provided with a strip support plate, and the bottom side of the strip support plate is provided with a rubber sealing ring. The strip support plate is connected to the air inlet cover by a number of bolts.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] (1) In operation, by setting a central insulating support plate, components such as circuit boards, diodes, and terminals can be installed and fixed. By setting a first heat dissipation channel, a second heat dissipation channel, an exhaust port one, an exhaust port two, and heat dissipation components one and two consisting of an air inlet cover, several cooling fans, an air filter core, and an electric heating mesh, direct air supply can be achieved, thereby achieving direct heat dissipation of components such as circuit boards, diodes, and terminals, effectively improving heat dissipation efficiency. The air filter core can filter the incoming air to prevent dust and impurities from entering. The electric heating mesh can dehumidify when the humidity is too high.

[0012] (2) By setting the insertion slot, the air filter element can be inserted and the air filter element can be disassembled and replaced. By setting the strip support plate, the air filter element can be supported and the insertion slot can be sealed to prevent dust from entering. Attached Figure Description

[0013] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0014] In the attached diagram:

[0015] Figure 1 This is one of the structural schematic diagrams of the integrated dual-channel heat dissipation photovoltaic junction box device of this utility model;

[0016] Figure 2 This is the second schematic diagram of the integrated dual-channel heat dissipation photovoltaic junction box device of this utility model;

[0017] Figure 3 This is a schematic diagram of the connection structure between the air inlet cover, the cooling fan, and the electric heating grid of this utility model;

[0018] Figure 4 This is a schematic diagram of the connection structure between the air filter element and the strip support plate of this utility model;

[0019] In the diagram: 1. Lower housing; 2. Upper housing; 3. Bolt 1; 4. Heat dissipation component 1; 5. Exhaust vent 1; 6. Heat dissipation component 2; 7. Exhaust vent 2; 8. Central insulating support plate; 9. First heat dissipation channel; 10. Second heat dissipation channel; 11. Microcontroller; 12. Air inlet shroud; 13. Cooling fan; 14. Air filter element; 15. Electric heating mesh; 16. L-shaped support leg; 17. Overhead support column; 18. Bolt 1; 19. Air inlet protective mesh; 20. Insertion slot; 21. Strip support plate; 22. Rubber sealing ring; 23. Bolt 2; 24. Temperature and humidity sensor. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.

[0021] Depend on Figures 1 to 4 The present invention discloses an integrated dual-channel heat dissipation photovoltaic junction box device, comprising a lower housing 1 and an upper housing 2, which are connected by several bolts 3. A heat dissipation component 4 is fixedly installed at one end of the lower housing 1, and an exhaust vent 5 is fixedly installed at the end of the lower housing 1 away from the heat dissipation component 4. A heat dissipation component 6 is fixedly installed at one end of the upper housing 2, and an exhaust vent 7 is fixedly installed at the end of the upper housing 2 away from the heat dissipation component 6. A central insulating support plate 8 is installed at the top inside the lower housing 1, forming a first heat dissipation channel 9 between the central insulating support plate 8 and the lower housing 1, which communicates with the heat dissipation component 4 and the exhaust vent 5. A second heat dissipation channel 10 is formed between the central insulating support plate 8 and the upper housing 2, which communicates with the heat dissipation component 6 and the exhaust vent 7. A microcontroller 11 electrically connected to the heat dissipation component 4 and the heat dissipation component 6 is installed at the bottom inside the lower housing 1. Temperature and humidity sensors 24 are installed inside both the first heat dissipation channel 9 and the second heat dissipation channel 10.

[0022] In use, the circuit board, diodes, terminals and other components are connected to the central insulating support plate 8. The central insulating support plate 8 separates the lower housing 1 and the upper housing 2 to form the first heat dissipation channel 9 and the second heat dissipation channel 10, thereby achieving comprehensive heat dissipation through dual channels. Heat dissipation component 1 4 and heat dissipation component 2 6 enable air intake, and exhaust port 1 5 and exhaust port 2 7 enable air exhaust. Temperature and humidity sensor 24 can monitor the temperature and humidity inside the first heat dissipation channel 9 and the second heat dissipation channel 10.

[0023] Both heat dissipation component 1 4 and heat dissipation component 2 6 consist of an air inlet shroud 12, several cooling fans 13, an air filter element 14 and an electric heating mesh 15. The cooling fans 13 are connected to one end inside the air inlet shroud 12, the air filter element 14 is inserted into the inside of the air inlet shroud 12, and the electric heating mesh 15 is fixedly connected to the middle position inside the air inlet shroud 12.

[0024] The cooling fan 13 allows air to enter, the air filter 14 filters the air to improve the cleanliness of the air, and the electric heating mesh 15 enables heating and dehumidification.

[0025] L-shaped support legs 16 are fixedly installed at the four corners of the bottom of the lower housing 1 to support and fix the lower housing 1.

[0026] Several overhead support columns 17 are fixedly installed at the bottom inside the lower housing 1. The central insulating support plate 8 is connected to the overhead support columns 17 by bolts 18, which can suspend the central insulating support plate 8 and improve the stability of the central insulating support plate 8.

[0027] An air intake shroud 12 is provided with an air intake protective net 19 at one end near the cooling fan 13, which can play a protective role. The top of the air intake shroud 12 is provided with a plug-in slot 20 that matches the air filter element 14 at one end near the cooling fan 13, which can facilitate the plugging in of the air filter element 14.

[0028] The top of the air filter element 14 is provided with a strip support plate 21, and the bottom side of the strip support plate 21 is provided with a rubber sealing ring 22. The strip support plate 21 is connected to the air inlet cover 12 by several bolts 23. The strip support plate 21 can be glued to the air filter element 14, which facilitates the removal and placement of the air filter element 14. The rubber sealing ring 22 can improve the sealing at the connection between the strip support plate 21 and the insertion groove 20, and the bolts 23 can improve the installation stability of the strip support plate 21.

[0029] During operation, the central insulating support plate allows for the installation and fixation of components such as circuit boards, diodes, and terminals. The inclusion of a first heat dissipation channel, a second heat dissipation channel, exhaust vent one, exhaust vent two, and heat dissipation components one and two (comprising an air inlet shroud, several cooling fans, an air filter, and an electric heating grid) enables direct airflow, effectively improving heat dissipation efficiency for the circuit boards, diodes, and terminals. The air filter filters the incoming air, preventing dust and impurities from entering. The electric heating grid dehumidifies the air when humidity is high. The insertion slots allow for the insertion and replacement of the air filter. The strip support plate supports the air filter and seals the insertion slots, preventing dust from entering.

Claims

1. Integrated dual channel heat dissipating photovoltaic junction box device comprising a lower housing (1) and an upper housing (2), characterized in that: The lower housing (1) and the upper housing (2) are connected by several bolts (3). A heat dissipation component (4) is fixedly installed at one end of the lower housing (1), and an exhaust vent (5) is fixedly installed at the end of the lower housing (1) away from the heat dissipation component (4). A heat dissipation component (6) is fixedly installed at one end of the upper housing (2), and an exhaust vent (7) is fixedly installed at the end of the upper housing (2) away from the heat dissipation component (6). A central insulating support plate (8) is installed at the top of the interior of the lower housing (1). The central insulating support plate (8) and the... A first heat dissipation channel (9) is formed between the lower housing (1) and the heat dissipation component 1 (4) and the exhaust port 1 (5). A second heat dissipation channel (10) is formed between the central insulating support plate (8) and the upper housing (2) and the heat dissipation component 2 (6) and the exhaust port 2 (7). A microcontroller (11) electrically connected to the heat dissipation component 1 (4) and the heat dissipation component 2 (6) is provided at the bottom inside the lower housing (1). Temperature and humidity sensors (24) are provided inside both the first heat dissipation channel (9) and the second heat dissipation channel (10). Both heat dissipation component one (4) and heat dissipation component two (6) consist of an air inlet shroud (12), several cooling fans (13), an air filter (14), and an electric heating mesh (15). The cooling fans (13) are connected to one end inside the air inlet shroud (12), the air filter (14) is inserted into the inside of the air inlet shroud (12), and the electric heating mesh (15) is fixedly connected to the middle position inside the air inlet shroud (12).

2. The integrated dual-channel heat dissipation photovoltaic junction box device according to claim 1, characterized in that: The lower housing (1) is fixedly provided with L-shaped support legs (16) at the four corners of its bottom end.

3. The integrated dual access heat sink photovoltaic junction box apparatus of claim 1, wherein: The bottom of the lower housing (1) is fixedly provided with several overhead support columns (17), and the central insulating support plate (8) is connected to the overhead support columns (17) by bolts (18).

4. The integrated dual access heat sink photovoltaic junction box apparatus of claim 1, wherein: The air intake shroud (12) is provided with an air intake protective net (19) at one end near the cooling fan (13), and a plug slot (20) matching the air filter element (14) is provided at the top end of the air intake shroud (12) near the cooling fan (13).

5. The integrated dual access heat sink photovoltaic junction box apparatus of claim 1, wherein: The top of the air filter element (14) is provided with a strip support plate (21), and the side of the bottom end of the strip support plate (21) is provided with a rubber sealing ring (22). The strip support plate (21) is connected to the air inlet cover (12) by several bolts (23).

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