Energy storage cabinet

Abstract

The utility model discloses the field of outdoor energy storage cabinets, and aims to overcome the defects that a current transformer and a transformer are generally transported and installed in a split manner, are difficult to install, increase the field installation cost and are high in error rate of field wiring and installation. The cabinet comprises a cabinet body, a transformer, a converter and a battery module, the cabinet body comprises an equipment cabin used for accommodating the transformer and the converter, an energy storage cabin used for accommodating the battery module and a temperature control cabin used for cooling the transformer, the converter and the battery module, and the equipment cabin is located at the top of the energy storage cabin. And the temperature control cabin is arranged on one side of the equipment cabin and the energy storage cabin. According to the utility model, the integrated structure arrangement of the energy storage unit, the converter and the transformer can be realized, thereby reducing the deployment difficulty, reducing the outdoor wiring of the energy storage unit, the converter and the transformer, and improving the reliability.

Description

Technical Field

[0001] The utility model relates to the field of outdoor energy storage cabinets, and more specifically, to an energy storage cabinet. Background Art

[0002] Excessive consumption of fossil fuels leads to the emission of greenhouse gases in the environment, which eventually leads to energy crisis and global warming. Renewable energy sources such as solar energy, wind energy, geothermal energy and biofuels provide effective solutions to these problems. However, almost all renewable energy sources have the problem of uneven and discontinuous energy output. With the rapid increase in the demand for electricity in industrial production and residents' lives, the difference between the peak and valley of electricity consumption during the day and night is increasing. Energy storage systems provide a new path to solve the problems of unstable power output and imbalance between the peak and valley of power supply and demand. They play an important and pivotal role in charging and power supply, and have a positive impact on the construction and operation of the power system. This has brought huge development space to the energy storage market.

[0003] At present, the converters and transformers of energy storage cabinets, which account for a large share of the energy storage market, are usually transported and installed in a split manner. Although transportation is convenient, the equipment is heavy and difficult to install, which increases the on-site installation costs, and the error rate of on-site wiring and installation is relatively high.

[0004] The present application aims to provide an energy storage cabinet that can realize an integrated structural arrangement of an energy storage unit, a converter, and a transformer, thereby reducing deployment difficulty, reducing outdoor connections of the energy storage unit, the converter, and the transformer, and improving reliability. Summary of the invention

[0005] The utility model overcomes the shortcomings that converters and transformers are usually transported and installed in a split manner, which is difficult to install, increases the on-site installation cost, and has a high error rate in on-site wiring and installation. It provides an energy storage cabinet that can realize the integrated structural arrangement of the energy storage unit and the converter and transformer, thereby reducing the deployment difficulty, reducing the outdoor connection of the energy storage unit and the converter and transformer, and improving reliability.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] An energy storage cabinet comprises a cabinet body, a transformer, a converter and a battery module. The cabinet body comprises an equipment compartment for accommodating the transformer and the converter, an energy storage compartment for accommodating the battery module and a temperature control compartment for dissipating heat from the transformer, the converter and the battery module. The equipment compartment is located on the top of the energy storage compartment, and the temperature control compartment is arranged on one side of the equipment compartment and the energy storage compartment.

[0008] By placing the transformer, converter and battery module in the same cabinet, on-site installation is eliminated, deployment costs are reduced, floor space is reduced, and system integration rate is improved. Secondly, the cables between the transformer, converter and battery module can be placed in the cabinet instead of being exposed outdoors, which is safer and more reliable.

[0009] Preferably, along the height direction, the temperature control cabin is provided with a first heat dissipation chamber and a second heat dissipation chamber which are isolated from each other. The first heat dissipation chamber is connected to the equipment cabin to form a heat dissipation duct. The side wall of the second heat dissipation chamber is provided with an air inlet and an air return port which are connected to the energy storage cabin. The second heat dissipation chamber is provided with an air conditioner, which is respectively connected to the air inlet and the air return port. The air inlet and the air return port are arranged at both ends of the second heat dissipation chamber in the front and rear directions.

[0010] The first heat dissipation chamber of the temperature control cabin forms an air duct with the equipment cabin. The air conditioner of the second heat dissipation chamber is connected to the air inlet and the air return port, receives the hot air in the energy storage cabin, and discharges the cold air to the energy storage cabin. The battery module exchanges heat with the surrounding air, takes away its own heat and lowers the temperature. After the cold air is heated, it is discharged from the air return port and returns to the air conditioner for the next cooling.

[0011] Preferably, ventilation holes are provided on the cabin plate at the front of the equipment cabin, and air duct shutters are provided in front of the transformer and the converter, which are connected to the outside world through the ventilation holes, and the air duct shutters are used to protect the equipment from rainwater intrusion.

[0012] Preferably, the converter is arranged in a converter cabin, the converter cabin is connected to the first heat dissipation chamber through an air duct hole, the front of the converter cabin is open, and a negative pressure fan is installed in the air duct hole. The negative pressure fan forces air circulation, and the airflow is restricted through the converter cabin, so that the air duct only passes through the converter with a higher temperature, and the transformer is cooled passively.

[0013] Preferably, the converter is arranged at one end of the equipment compartment close to the temperature control compartment. The above technical features simplify the air duct design.

[0014] Preferably, an isolation fence is provided outside the transformer. The above technical features reduce the possibility of contact with people during maintenance.

[0015] Preferably, the side wall of the first heat dissipation chamber is provided with an air outlet, and along the wind direction of the heat dissipation air duct, the first heat dissipation chamber is provided with a plurality of air duct shutters to prevent rainwater from intruding and entering the equipment cabin.

[0016] Compared with the prior art, the beneficial effects of the present invention are: (1) the converter, transformer and battery module are integrated in an integrated cabinet, and the integrated structure is arranged, thereby reducing the difficulty of deployment; (2) the equipment and battery module are cooled by forced ventilation and air conditioning refrigeration, the air duct is concentrated, and the equipment and batteries are effectively maintained within a suitable temperature range. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is a schematic diagram of removing the hatch door of the equipment compartment of the present invention;

[0019] Figure 3 The utility model Figure 2 Cross-section at AA in the middle;

[0020] In the figure:

[0021] Equipment cabin 1, energy storage cabin 2, temperature control cabin 3, first heat dissipation chamber 4, second heat dissipation chamber 5, air inlet 6, air return outlet 7, air duct louver 8, ventilation hole 9, air outlet 10. DETAILED DESCRIPTION

[0022] The present disclosure is further described below in conjunction with the accompanying drawings and embodiments.

[0023] It should be noted that the following detailed descriptions are illustrative and are intended to provide further explanation of the present application. Unless otherwise specified, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present application belongs.

[0024] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0025] In the present disclosure, terms such as "fixed connection", "connected", "connection", etc. should be understood in a broad sense, indicating that it can be fixedly connected, integrally connected or detachably connected; it can be directly connected or indirectly connected through an intermediate medium. For relevant scientific research or technical personnel in this field, the specific meanings of the above terms in the present disclosure can be determined according to specific circumstances, and they cannot be understood as limitations on the present disclosure.

[0026] Example:

[0027] An energy storage cabinet, Figures 1 to 3As shown, it includes a cabinet, a transformer, a converter and a battery module. The cabinet includes an equipment cabin 1 for accommodating the transformer and the converter, an energy storage cabin 2 for accommodating the battery module and a temperature control cabin 3 for dissipating heat for the transformer, the converter and the battery module. The equipment cabin 1 is located at the top of the energy storage cabin 2, and the temperature control cabin 3 is arranged on one side of the equipment cabin 1 and the energy storage cabin 2. Among them, along the height direction, the temperature control cabin 3 is provided with a first heat dissipation chamber 4 and a second heat dissipation chamber 5 that are isolated and arranged. The first heat dissipation chamber 4 is connected to the equipment cabin 1 and forms a heat dissipation air duct. The side wall of the second heat dissipation chamber 5 is provided with an air inlet 6 and an air return port 7 that are connected to the energy storage cabin 2. The second heat dissipation chamber 5 is provided with an air conditioner, and the air conditioner is connected to the air inlet 6 and the air return port 7 respectively. The air inlet 6 and the air return port 7 are arranged at both ends of the second heat dissipation chamber in the front and rear directions. A vent 9 is provided on the cabin plate at the front of the equipment cabin 1, and a duct louver 8 is provided in front of the transformer and the converter. It is connected to the outside through the vent 9, and the duct louver 8 is used to protect the equipment from rainwater intrusion. The first heat dissipation chamber 4 of the temperature control cabin 3 forms an air duct with the equipment cabin 1. The air conditioner of the second heat dissipation chamber 5 is connected to the air inlet 6 and the air return port 7, receives the hot air in the energy storage cabin 2, and discharges the cold air to the energy storage cabin 2. The battery module exchanges heat with the surrounding air, takes away its own heat, and lowers the temperature. After the cold air is heated, it is discharged from the air return port 7 and returned to the air conditioner for the next cooling. The inverter is set at one end of the equipment cabin 1 close to the temperature control cabin 3. The above technical features simplify the air duct design.

[0028] In some embodiments, the converter is arranged in a converter cabin, and the converter cabin is connected to the first heat dissipation chamber 4 through an air duct hole, the front of the converter cabin is open, and a negative pressure fan is installed in the air duct hole. The air circulation is forced by the negative pressure fan, and the air flow is restricted by the converter cabin, so that the air duct only passes through the converter with a higher temperature, and the transformer is passively cooled. The side wall of the first heat dissipation chamber 4 is provided with an air outlet 10, and the first heat dissipation chamber 4 is provided with a plurality of air duct shutters 8 along the wind direction of the heat dissipation air duct to prevent rainwater from invading and entering the equipment cabin 1.

[0029] In some embodiments, an isolation fence is provided outside the transformer. The above technical features reduce the possibility of contact with people during maintenance.

[0030] By placing the transformer, converter and battery module in the same cabinet, on-site installation is eliminated, deployment costs are reduced, floor space is reduced, and system integration rate is improved. Secondly, the cables between the transformer, converter and battery module can be placed in the cabinet instead of being exposed outdoors, which is safer and more reliable.

[0031] The above-described embodiments are only preferred solutions of the present invention and are not intended to limit the present invention in any form. Other variations and modifications are possible without exceeding the technical solutions described in the claims.

Claims

1. An energy storage cabinet, characterized in that: It includes a cabinet, a transformer, an inverter and a battery module. The cabinet includes an equipment cabin for accommodating the transformer and the inverter, an energy storage cabin for accommodating the battery module and a temperature control cabin for dissipating heat to the transformer, the inverter and the battery module. The equipment cabin is located on the top of the energy storage cabin, and the temperature control cabin is arranged on one side of the equipment cabin and the energy storage cabin.

2. An energy storage cabinet according to claim 1, characterized in that: Along the height direction, the temperature control cabin is provided with a first heat dissipation chamber and a second heat dissipation chamber which are isolated from each other. The first heat dissipation chamber is connected to the equipment cabin to form a heat dissipation duct. The side wall of the second heat dissipation chamber is provided with an air inlet and an air return port which are connected to the energy storage cabin. The second heat dissipation chamber is provided with an air conditioner which is respectively connected to the air inlet and the air return port. The air inlet and the air return port are arranged at both ends of the second heat dissipation chamber in the front and rear directions.

3. The energy storage cabinet according to claim 1, characterized in that: There are ventilation holes on the panel at the front of the equipment compartment, and air duct shutters are provided in front of the transformer and converter.

4. The energy storage cabinet according to claim 3, characterized in that: The converter is arranged in the converter cabin, the converter cabin is connected with the first heat dissipation chamber through an air duct hole, the front of the converter cabin is open, and a negative pressure fan is installed in the air duct hole.

5. The energy storage cabinet according to claim 4, characterized in that: The converter is arranged at one end of the equipment cabin close to the temperature control cabin.

6. The energy storage cabinet according to claim 1, characterized in that: An isolation fence is installed outside the transformer.

7. An energy storage cabinet according to any one of claims 1 to 6, characterized in that: The side wall of the first heat dissipation chamber is provided with an air outlet, and along the wind direction of the heat dissipation air duct, the first heat dissipation chamber is provided with a plurality of air duct shutters.

Images