High-heat-dissipation energy storage cabinet of photovoltaic power station

Abstract

The utility model discloses a photovoltaic power station high heat dissipation energy storage cabinet, which comprises an energy storage cabinet and a heat dissipation device, the energy storage cabinet comprises a heat preservation cabinet and an electric appliance cabinet, the electric appliance cabinet is fixedly connected inside the heat preservation cabinet, and a cold air channel, an air distribution channel and an air return channel are respectively arranged between the electric appliance cabinet and the heat preservation cabinet. The heat dissipation device comprises an air cooling box, an air cooling assembly and a drying box, the air cooling assembly is arranged in the air cooling box, the air cooling box is fixedly connected to the upper end of the heat preservation cabinet and the upper end of the electric appliance cabinet, and the air cooling box is communicated with the air return channel and the cold air channel. The lower ends of the heat preservation cabinet and the electric appliance cabinet are fixedly connected with a drying box, a drying assembly is arranged in the drying box, and the upper end of the drying box is communicated with the cold air channel and the air distribution channel. The utility model aims to provide the high-heat-dissipation energy storage cabinet which is efficient in heat dissipation, stable in operation and high in reliability.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage cabinets, in particular to a high heat dissipation energy storage cabinet for a photovoltaic power station. Background Art

[0002] With the transformation of the global energy structure and the continuous improvement of clean energy utilization, photovoltaic power generation, as a clean and renewable energy, has seen rapid growth in utilization around the world. As a key facility for converting solar energy into electrical energy, the performance and stability of photovoltaic power stations directly affect the effective utilization of energy and the reliability of power supply.

[0003] In photovoltaic power stations, the role of energy storage systems is crucial. It can not only balance the intermittent and uncertain nature of photovoltaic power generation, but also improve the efficiency of electric energy utilization. However, existing energy storage systems, especially energy storage cabinets, have certain limitations in heat dissipation performance. Since energy storage equipment generates a lot of heat during operation, improper heat dissipation measures will cause overheating of the energy storage equipment, thereby reducing its performance and service life, and may even cause safety accidents.

[0004] To meet this challenge, current energy storage cabinet designs need to consider efficient heat dissipation solutions. However, traditional heat dissipation solutions often fail to meet high-intensity heat dissipation requirements and may increase system complexity and cost. In addition, energy storage cabinets in existing technologies usually fail to fully consider the integration with other components of photovoltaic power plants, resulting in compatibility and low integration efficiency in practical applications.

[0005] Therefore, there is an urgent need for a new type of high heat dissipation energy storage cabinet design for photovoltaic power stations, which can effectively improve the heat dissipation performance of the energy storage system, extend the life of the equipment, reduce system costs, and improve the overall operating efficiency and reliability of the photovoltaic power station energy storage system. In response to the above technical problems, the utility model proposes an innovative solution to overcome the shortcomings of the existing technology and provide a new technical approach for the optimization and upgrading of photovoltaic power station energy storage systems. Utility Model Content

[0006] In view of the above-mentioned deficiencies existing in the prior art, the purpose of the utility model is to provide a high heat dissipation energy storage cabinet with efficient heat dissipation, stable operation and high reliability.

[0007] The technical solution adopted by the utility model to achieve the above-mentioned purpose is: a high heat dissipation energy storage cabinet for a photovoltaic power station, including an energy storage cabinet for a photovoltaic power station and a heat dissipation device located inside the energy storage cabinet, the energy storage cabinet including a heat preservation cabinet and an electrical cabinet, the heat preservation cabinet is used for heat insulation to maintain a stable temperature inside the electrical cabinet, the electrical cabinet is used to prevent energy storage equipment and other electrical components, the electrical cabinet is fixedly connected to the inside of the heat preservation cabinet, a cold air channel is provided between the right outer wall of the electrical cabinet and the inner wall of the heat preservation cabinet, an air distribution channel is provided between the back of the electrical cabinet and the inner wall of the heat preservation cabinet, a return air channel is provided between the left outer wall of the electrical cabinet and the heat preservation cabinet, the air distribution channel and the return air channel are both connected to the inside of the electrical cabinet, the heat dissipation device includes an air cooling box, an air cooling component, and a drying box, the air cooling box is provided with an air cooling component, and the air cooling box is fixedly connected to the heat preservation cabinet and the electrical cabinet. The upper end and the lower end of the air cooling box are provided with an air inlet and an air outlet, the air inlet is connected with the return air duct, the air outlet is connected with the cold air duct, the lower ends of the thermal insulation cabinet and the electrical cabinet are fixedly connected with a drying box, a drying component is arranged in the drying box, the upper end of the drying box is provided with an air guide port and an air supply port, the air guide port is connected with the cold air duct, the air supply port is connected with the air distribution duct. When in use, the energy storage device inside the electrical cabinet runs and releases heat. As the temperature rises, the air cooling component is started, and the hot air in the electrical cabinet is brought into the air cooling box through the return air duct, and the cold air is sent into the cold air duct after being cooled by the air cooling component inside the air cooling box, and the cold air is sent into the drying box by the cold air duct, and enters the air distribution duct after the moisture is removed by the drying component, and finally the air is sent back to the electrical cabinet by the air distribution duct, and the energy storage device is effectively cooled by the cold air sent in.

[0008] In one embodiment, the front of the electrical cabinet is embedded with the front of the thermal insulation cabinet, and one side of the front of the thermal insulation cabinet is hingedly connected to an electrical cabinet door.

[0009] In one of the embodiments, a plurality of air guide plates are fixedly connected inside the electrical cabinet, a connecting frame is fixedly connected to the upper end of the air guide plate, an energy storage device is fixedly connected to the connecting frame, an air inlet slot is provided on the air guide plate at the lower end of the connecting frame, an air inlet pipe is fixedly connected to one side of the air inlet slot, and the other end of the air inlet pipe is connected to an air distribution channel, an air outlet slot is provided in the middle part of the lower end of the air guide plate, an air outlet pipe is fixedly connected to one side of the air outlet slot, and the other end of the air outlet pipe is connected to a return air channel, and grille plates are fixedly connected at the notches of the air outlet slot and the air inlet slot.

[0010] In one embodiment, the air cooling component includes a partition, an evaporator, a condenser, and a compressor. Partitions are fixedly connected in the air cooling box on one side of the air inlet and the air outlet, and circulating fans are fixedly connected on the partitions. The evaporator is fixedly connected in the air cooling box between the partitions, and the compressor and condenser are fixedly connected at the upper end of the air cooling box. The compressor, condenser and evaporator form a refrigeration device together.

[0011] In one embodiment, a plurality of support rods are fixedly connected to the upper end of the air cooling box, and a rain shelter is fixedly connected to the upper end of the support rods.

[0012] In one embodiment, the drying component includes a drawer box and a desiccant. A slide groove is provided on one side of the front end of the drying box. A drawer box is slidably connected in the slide groove. Desiccant is placed in the drawer box. The air supply port is connected to the inside of the slide groove. An air guide cavity is provided at the lower end of the slide groove. The air guide cavity is connected to the air guide port. A filter plate is embedded and connected to the bottom of the drawer box.

[0013] Beneficial effects of the utility model:

[0014] 1. Improved heat dissipation performance: The new energy storage cabinet adopts an optimized heat dissipation structure layout, which can significantly improve the heat dissipation efficiency and ensure that the energy storage equipment can still maintain a suitable operating temperature under high load conditions, thereby extending the equipment life and reducing maintenance costs;

[0015] 2. Improve system reliability: Through more effective heat dissipation design, the utility model reduces the risk of equipment failure and performance degradation due to overheating, enhances the stability and reliability of the entire photovoltaic power station energy storage system, and ensures the continuity and safety of power supply;

[0016] 3. Reduce system costs: The utility model simplifies the installation and maintenance of the energy storage system, reduces labor costs and operating costs. In addition, improving heat dissipation efficiency can also reduce dependence on additional cooling equipment, reducing energy consumption and the overall cost of the system;

[0017] 4. Improve integration efficiency: The design of the new energy storage cabinet takes into account the compatibility with other components of the photovoltaic power station, provides better integration performance, simplifies the system integration process, speeds up the construction and expansion of photovoltaic power stations, and improves the project's return on investment;

[0018] In summary, the design of the high heat dissipation energy storage cabinet for the photovoltaic power station of the utility model provides a comprehensive solution. By optimizing the heat dissipation performance and system integration efficiency, it not only improves the operating efficiency and stability of the photovoltaic power station energy storage system, but also has the dual advantages of economy and environmental protection, which is in line with the current development trend and market demand of the energy industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the connection structure between the insulation cabinet and the electrical cabinet of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the air guide plate of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional connection structure of the air-cooling box of the utility model;

[0023] Figure 5 This is a schematic diagram of the cross-sectional connection structure of the drying box of the utility model.

[0024] In the figure: 1 insulation cabinet, 2 electrical cabinet, 3 cold air channel, 4 air distribution channel, 5 return air channel, 6 air cooling box, 7 drying box, 8 air inlet, 9 air outlet, 10 air guide, 11 air supply outlet, 12 electrical cabinet door, 101 connecting frame, 102 air inlet slot, 103 air inlet duct, 104 air outlet duct, 105 grille plate, 106 air guide plate, 107 air outlet slot, 201 partition, 202 evaporator, 203 condenser, 204 compressor, 205 circulation fan, 301 support rod, 302 awning, 401 drawer box, 402 slide, 403 air guide cavity, 404 filter plate. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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] See also Figure 1-5A high heat dissipation energy storage cabinet for a photovoltaic power station includes an energy storage cabinet for a photovoltaic power station and a heat dissipation device located inside the energy storage cabinet. The energy storage cabinet includes a heat preservation cabinet 1 and an electrical cabinet 2. The heat preservation cabinet 1 is used for heat insulation to maintain a stable temperature inside the electrical cabinet 2. The electrical cabinet 2 is used to prevent energy storage equipment and other electrical components. The electrical cabinet 2 is fixedly connected to the inside of the heat preservation cabinet 1. A cold air channel 3 is provided between the right outer wall of the electrical cabinet 2 and the inner wall of the heat preservation cabinet 1. An air distribution channel 4 is provided between the back of the electrical cabinet 2 and the inner wall of the heat preservation cabinet 1. A return air channel 5 is provided between the left outer wall of the electrical cabinet 2 and the heat preservation cabinet 1. The air distribution channel 4 and the return air channel 5 are both connected to the inside of the electrical cabinet 2. The heat dissipation device includes an air cooling box 6, an air cooling component, and a drying box 7. An air cooling component is provided in the air cooling box 6. The air cooling box 6 is fixedly connected to the upper ends of the heat preservation cabinet 1 and the electrical cabinet 2. An air inlet 8 and an outlet are provided at the lower end of the air cooling box 6. The air vent 9 and the air inlet 8 are connected with the return air duct 5, and the air outlet 9 is connected with the cold air duct 3. The lower ends of the thermal insulation cabinet 1 and the electrical cabinet 2 are fixedly connected with a drying box 7, and a drying component is arranged in the drying box 7. The upper end of the drying box 7 is respectively provided with an air guide 10 and an air supply 11, and the air guide 10 is connected with the cold air duct 3, and the air supply 11 is connected with the air distribution duct 4. When in use, the energy storage device inside the electrical cabinet 2 runs and releases heat. As the temperature rises, the air cooling component starts to start, and the hot air in the electrical cabinet 2 is brought into the air cooling box 6 through the return air duct 5. After the air cooling component inside the air cooling box 6 is cooled, the cold air is sent into the cold air duct 3, and the cold air is sent into the drying box 7 by the cold air duct 3. After the moisture is removed by the drying component, the air enters the air distribution duct 4, and finally the air is sent back to the electrical cabinet 2 by the air distribution duct 4, and the energy storage device is effectively cooled by the cold air sent in.

[0027] In one embodiment, the front of the electrical cabinet 2 is embedded with the front of the thermal insulation cabinet 1 , and a front side of the thermal insulation cabinet 1 is hingedly connected to an electrical cabinet door 12 for facilitating the inspection and maintenance of the energy storage equipment in the electrical cabinet 2 .

[0028] In one embodiment, a plurality of air guide plates 106 are fixedly connected to the interior of the electrical cabinet 2. The air guide plates 106 are installed to guide the air flow, ensuring that the air flows through the energy storage device in a more effective path to improve the heat dissipation effect. The upper end of the air guide plate 106 is fixedly connected to a connecting frame 101 for installing the energy storage device. At the same time, the demand for air flow is taken into consideration to optimize the heat dissipation. The connecting frame 101 is fixedly connected to the energy storage device. The energy storage device is generally used for electrical energy storage, generally including lithium batteries or storage batteries, etc. An air inlet slot 102 is provided on the air guide plate 106 at the lower end of the connecting frame 101. An air inlet pipe 103 is fixedly connected to one side of the air inlet slot 102. The other end of the air inlet pipe 103 is connected to the air distribution channel 4. The air inlet pipe 1 03 guides cold air from the air distribution channel 4 to the air inlet slot 102, the air inlet slot 102 is used to guide cold air to flow to the energy storage device, an air outlet slot 107 is opened in the middle of the lower end of the air guide plate 106, one side of the air outlet slot 107 is fixedly connected to the air outlet pipe 104, the other end of the air outlet pipe 104 is connected to the return air channel 5, the air outlet slot 107 is used to guide hot air away from the energy storage device area, and guide the hot air from the air outlet slot 107 to the return air channel 5 through the air outlet pipe 104, the air outlet slot 107 and the notch of the air inlet slot 102 are fixedly connected with a grille plate 105, the grille plate 105 can prevent foreign matter from entering the air duct, and at the same time can make the air flow more uniform, to prevent the negative impact of direct airflow on the energy storage device.

[0029] In one embodiment, the air cooling assembly includes a partition 201, an evaporator 202, a condenser 203, and a compressor 204. The partition 201 is fixedly connected to the air cooling box 6 on one side of the air inlet 8 and the air outlet 9. The function of the partition 201 is to separate different areas to ensure that the air flow direction can be better controlled. The partition 201 is fixedly connected to a circulation fan 205, which is used to promote the air flow, so that air circulation is formed inside the device, thereby achieving the cooling effect of the equipment. The evaporator 202 is fixedly connected to the air cooling box 6 between the partitions 201. The compressor 204 and the condenser 203 are fixedly connected to the upper end of the air cooling box 6. The compressor 204, the condenser 203 and the evaporator 202 form a refrigeration device with each other. After the compressor 204 compresses the refrigerant, the refrigerant flows to the evaporator 202, where it condenses and releases heat. Subsequently, the refrigerant flows to the condenser 203 through an expansion valve (usually present in such systems, but not explicitly mentioned), where it absorbs heat and evaporates into gas, cooling the air by absorbing heat. Finally, the refrigerant gas returns to the compressor 204 again and the cycle continues.

[0030] In one embodiment, a plurality of support rods 301 are fixedly connected to the upper end of the air cooling box 6, and a rain shelter 302 is fixedly connected to the upper end of the support rods 301. The compressor 204 and the condenser 203 installed on the upper end of the air cooling box 6 can be protected by the rain shelter 302.

[0031] In one embodiment, the drying assembly includes a drawer box 401 and a desiccant. A slide 402 is provided at one side of the front end of the drying box 7. The drawer box 401 is slidably connected in the slide 402. The desiccant is placed in the drawer box 401. The air supply port 11 is connected to the inside of the slide 402. An air guide cavity 403 is provided at the lower end of the slide 402. The air guide cavity 403 is connected to the air guide port 10. A filter plate 404 is connected to the bottom of the drawer box 401. When in use, air enters the air guide cavity 403 from the air guide port 10 and flows through the drawer box 401 in the slide 402. In this process, moisture in the air is absorbed by the desiccant. The dried air is sent out through the air supply port 11. This design is simple and effective, and easy to maintain, because when the desiccant is saturated, it can be reactivated or replaced by simply pulling out the drawer box 401 and replacing the desiccant.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A high heat dissipation energy storage cabinet for a photovoltaic power station, comprising an energy storage cabinet for a photovoltaic power station and a heat dissipation device located inside the energy storage cabinet, characterized in that: The energy storage cabinet comprises a heat preservation cabinet (1) and an electrical cabinet (2); the electrical cabinet (2) is fixedly connected to the interior of the heat preservation cabinet (1); a cold air passage (3) is arranged between the right outer wall of the electrical cabinet (2) and the inner wall of the heat preservation cabinet (1); an air distribution passage (4) is arranged between the back of the electrical cabinet (2) and the inner wall of the heat preservation cabinet (1); a return air passage (5) is arranged between the left outer wall of the electrical cabinet (2) and the heat preservation cabinet (1); the air distribution passage (4) and the return air passage (5) are both connected to the interior of the electrical cabinet (2); the heat dissipation device comprises an air cooling box (6), an air cooling component, and a drying box (7); the air cooling box (6) is provided with an air cooling component; The air cooling box (6) is fixedly connected to the upper ends of the heat preservation cabinet (1) and the electrical cabinet (2); an air inlet (8) and an air outlet (9) are provided at the lower end of the air cooling box (6); the air inlet (8) is connected to the return air channel (5); the air outlet (9) is connected to the cold air channel (3); a drying box (7) is fixedly connected to the lower ends of the heat preservation cabinet (1) and the electrical cabinet (2); a drying component is arranged in the drying box (7); an air guide port (10) and an air supply port (11) are respectively provided at the upper end of the drying box (7); the air guide port (10) is connected to the cold air channel (3); and the air supply port (11) is connected to the air distribution channel (4).

2. A photovoltaic power station high heat dissipation energy storage cabinet according to claim 1, characterized in that: The front part of the electrical cabinet (2) is embedded in the front part of the thermal insulation cabinet (1), and one side of the front part of the thermal insulation cabinet (1) is hingedly connected to an electrical cabinet door (12).

3. A photovoltaic power station high heat dissipation energy storage cabinet according to claim 1, characterized in that: A plurality of air guide plates (106) are fixedly connected inside the electrical cabinet (2); a connecting frame (101) is fixedly connected to the upper end of the air guide plate (106); an energy storage device is fixedly connected to the connecting frame (101); an air inlet slot (102) is provided on the air guide plate (106) at the lower end of the connecting frame (101); an air inlet pipe (103) is fixedly connected to one side of the air inlet slot (102); the other end of the air inlet pipe (103) is connected to an air distribution channel (4); an air outlet slot (107) is provided in the middle of the lower end of the air guide plate (106); an air outlet pipe (104) is fixedly connected to one side of the air outlet slot (107); the other end of the air outlet pipe (104) is connected to a return air channel (5); and grille plates (105) are fixedly connected at notches of the air outlet slot (107) and the air inlet slot (102).

4. A photovoltaic power station high heat dissipation energy storage cabinet according to claim 1, characterized in that: The air cooling component comprises a partition (201), an evaporator (202), a condenser (203), and a compressor (204); a partition (201) is fixedly connected in an air cooling box (6) on one side of the air inlet (8) and the air outlet (9); a circulating fan (205) is fixedly connected to the partition (201); the evaporator (202) is fixedly connected in the air cooling box (6) between the partitions (201); the compressor (204) and the condenser (203) are fixedly connected at the upper end of the air cooling box (6); the compressor (204), the condenser (203), and the evaporator (202) mutually form a refrigeration device.

5. A photovoltaic power station high heat dissipation energy storage cabinet according to claim 1, characterized in that: A plurality of support rods (301) are fixedly connected to the upper end of the air cooling box (6), and a rain shelter (302) is fixedly connected to the upper end of the support rods (301).

6. A photovoltaic power station high heat dissipation energy storage cabinet according to claim 1, characterized in that: The drying component comprises a drawer box (401) and a desiccant; a slide groove (402) is provided at one side of the front end of the drying box (7); the drawer box (401) is slidably connected in the slide groove (402); the desiccant is placed in the drawer box (401); the air supply port (11) is connected to the inside of the slide groove (402); an air guide cavity (403) is provided at the lower end of the slide groove (402); the air guide cavity (403) is connected to the air guide port (10); and a filter plate (404) is embedded and connected at the bottom of the drawer box (401).

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