Energy storage device

Abstract

The utility model provides an energy storage device which comprises a battery cabinet, a power cabinet and a control cabinet, the power cabinet is arranged on one side of the control cabinet, the battery cabinet is arranged on the other side of the control cabinet, the battery cabinet is used for storing or releasing electric energy, the battery cabinet is provided with a battery cabin, a cold air cabin, a hot air cabin and an air return duct, and the air return duct is arranged on the top of the battery cabin. The cold air cabin is arranged on one side of the battery cabin, the hot air cabin is arranged on the other side of the battery cabin, one end of the air return duct is communicated with the hot air cabin, the other end of the air return duct is communicated with the cold air cabin, the hot air cabin is communicated with the battery cabin, and the cold air cabin is communicated with the battery cabin. The power converter is used for converting direct current in the battery cabin into alternating current or converting externally input alternating current into direct current, the control cabinet is provided with a control device, and the control device is used for controlling electrical components in the battery cabinet and the power cabinet, so that the energy storage function can be integrally and intelligently managed, and the stability of the energy storage device is improved.

Description

Technical Field

[0001] This utility model relates to the field of energy storage cabinets, and more particularly to an energy storage device. Background Technology

[0002] With the development of renewable energy and the advancement of energy storage technology, energy storage systems are being used more and more widely in power systems. However, existing energy storage systems are usually designed with a decentralized layout, lacking effective integrated management and intelligent control, resulting in low system efficiency and difficulty in guaranteeing safety and stability. Utility Model Content

[0003] The purpose of this utility model is to solve at least one of the technical problems existing in the prior art, and to provide an energy storage device that, through the organic combination and efficient collaboration between various components, integrates and intelligently manages the energy storage function, optimizes the efficiency of power utilization, and improves the safety and stability of the energy storage device.

[0004] To achieve the above objectives, in a first aspect, embodiments of the present invention provide an energy storage device, comprising:

[0005] A battery cabinet is used to store or release electrical energy. The battery cabinet has a battery compartment, a cold air compartment, a hot air compartment, and a return air duct. The return air duct is located on the top of the battery compartment, the cold air compartment is located on one side of the battery compartment, the hot air compartment is located on the other side of the battery compartment, one end of the return air duct is connected to the hot air compartment, the hot air compartment is connected to the battery compartment, and the cold air compartment is connected to the battery compartment.

[0006] The power cabinet and battery cabinet are located on one side of the power cabinet. The power cabinet is equipped with a power converter, which is used to convert the DC power in the battery compartment into AC power or convert the external AC power into DC power.

[0007] The control cabinet and battery cabinet are located on the other side of the control cabinet. The control cabinet is equipped with a control device, which is used to control the electrical components in the battery cabinet and power cabinet.

[0008] Furthermore, in some embodiments, the cooler is located at the rear door of the battery cabinet. The cooler is used to cool and dissipate heat from the battery cabinet. The cooler's cooling air outlet is connected to the cold air chamber, and the cooler's hot air recovery outlet is connected to the other end of the return air duct.

[0009] Furthermore, in some embodiments, the battery compartment is provided with multiple battery modules, which are stacked and connected in series. The cold air compartment is used to receive cold air from the cooler and deliver cold air to the battery modules, while the hot air compartment is used to receive hot air from the battery modules and deliver the hot air to the return air duct.

[0010] Furthermore, in some embodiments, the energy storage device also includes a high-voltage box located at the lower end of the battery cabinet. The high-voltage box is connected to multiple battery modules and includes a circuit breaker, a DC contactor, a fuse, a shunt, and a battery management system.

[0011] Furthermore, in some embodiments, the control cabinet is equipped with a UPS power supply device located at the upper part of the control cabinet, which is used to provide temporary power when the external power supply is interrupted.

[0012] Furthermore, in some embodiments, the control cabinet also includes a display screen located below the UPS power supply equipment. The display screen is used to display the operating parameters, status information, and control interface of the energy storage device.

[0013] Furthermore, in some embodiments, the control cabinet also includes a control switch located below the display screen, which is used to control the charging and discharging process within the battery cabinet.

[0014] Furthermore, in some embodiments, the control cabinet also includes status indicator lights located at the upper end of the front door of the control cabinet. The status indicator lights are used to indicate the operating status of the energy storage device, including battery status, charging / discharging status, and fault alarm status.

[0015] Furthermore, in some embodiments, the energy storage device also includes a lifting ring disposed on the top of the energy storage device.

[0016] Furthermore, in some embodiments, the battery module is a lithium iron phosphate battery.

[0017] On the one hand, an energy storage device according to an embodiment of the present utility model has at least the following beneficial effects: It comprises a battery cabinet, a power cabinet, and a control cabinet. The power cabinet is located on one side of the control cabinet, and the battery cabinet is located on the other side of the control cabinet. The battery cabinet is used to store or release electrical energy. The battery cabinet includes a battery compartment, a cold air compartment, a hot air compartment, and a return air duct. The return air duct is located at the top of the battery compartment. The cold air compartment is located on one side of the battery compartment, and the hot air compartment is located on the other side of the battery compartment. One end of the return air duct is connected to the hot air compartment, and the other end of the return air duct is connected to the cold air compartment. The hot air compartment is connected to the battery compartment, and the cold air compartment is connected to the battery compartment. The power cabinet is equipped with a power... The power converter is used to convert DC power in the battery compartment into AC power or convert external AC power into DC power. The control cabinet is equipped with a control device to control the electrical components in the battery cabinet and power cabinet. Based on the integrated design of the battery cabinet, power cabinet and control cabinet, the energy storage function can be managed in an integrated and intelligent manner, optimizing the energy utilization efficiency. At the same time, based on the cold air chamber, hot air chamber and return air duct, a circulating air duct system is formed inside the battery cabinet to realize the circulation of air and ensure that the heat inside the battery cabinet is quickly discharged, further improving the safety and stability of the energy storage device.

[0018] Other features and advantages of this invention will be set forth in the following description and will be apparent in part from the description. The objectives and other advantages of this invention can be realized and obtained through the structures particularly pointed out in the description and the accompanying drawings. Attached Figure Description

[0019] The accompanying drawings are provided to further understand the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this utility model to explain the technical solution of this utility model, and do not constitute a limitation on the technical solution of this utility model.

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0021] Figure 1 This is a front view of an energy storage device provided in some embodiments of this utility model;

[0022] Figure 2 This is a rear view of an energy storage device provided in some embodiments of this utility model;

[0023] Figure 3 This is a front disassembly view of an energy storage device provided in some embodiments of this utility model;

[0024] Figure 4 This is a side disassembly view of an energy storage device provided in some embodiments of this utility model.

[0025] Reference numerals: Battery cabinet 10, Refrigerator 11, Battery compartment 12, Battery module 121, High voltage box 13, Cold air compartment 14, Hot air compartment 15, Return air duct 16, Control cabinet 20, Control device 21, UPS power supply equipment 22, Display screen 23, Control switch 24, Status indicator light 25, Power cabinet 30, Power converter 31, Lifting ring 40. Detailed Implementation

[0026] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0027] In the description of this utility model, the use of "first" and "second" is for the purpose of distinguishing technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the order of the indicated technical features. It should be understood that such data can be interchanged where appropriate so that the embodiments of the utility model described herein can be implemented in orders other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0028] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0029] With the development of renewable energy and the advancement of energy storage technology, energy storage systems are being used more and more widely in power systems. However, existing energy storage systems are usually designed with a decentralized layout, lacking effective integrated management and intelligent control, resulting in low system efficiency and difficulty in guaranteeing safety and stability.

[0030] Based on this, this utility model embodiment provides an energy storage device. The energy storage device comprises a battery cabinet, a power cabinet, and a control cabinet. The power cabinet is located on one side of the control cabinet, and the battery cabinet is located on the other side of the control cabinet. The battery cabinet is used to store or release electrical energy. The battery cabinet includes a battery compartment, a cold air compartment, a hot air compartment, and a return air duct. The return air duct is located on the top of the battery compartment. The cold air compartment is located on one side of the battery compartment, and the hot air compartment is located on the other side of the battery compartment. One end of the return air duct is connected to the hot air compartment, and the other end is connected to the cold air compartment. The hot air compartment is connected to the battery compartment, and the cold air compartment is connected to the battery compartment. The power cabinet includes a power converter. The power converter is used to convert DC power in the battery compartment into AC power or convert external AC power into DC power. The control cabinet is equipped with a control device to control the electrical components in the battery cabinet and power cabinet. Based on the integrated design of the battery cabinet, power cabinet and control cabinet, the energy storage function can be managed in an integrated and intelligent manner, optimizing the energy utilization efficiency. At the same time, based on the cold air chamber, hot air chamber and return air duct, a circulating air duct system is formed inside the battery cabinet to realize the circulation of air and ensure that the heat inside the battery cabinet is quickly discharged, further improving the safety and stability of the energy storage device.

[0031] Therefore, the embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0032] Reference Figure 1 , Figure 2 and Figure 3 As shown, Figure 1 This is an overall structural diagram of the energy storage device provided in some embodiments of this utility model. Figure 2 This is an enlarged view of the wind deflector provided in some embodiments of this utility model. Figure 3 This is a partial exploded view of an energy storage device provided in some embodiments of the present invention. The energy storage device includes a battery cabinet 10, a control cabinet 20, and a power cabinet 30. The power cabinet 30 is located on one side of the control cabinet 20, and the battery cabinet 10 is located on the other side of the control cabinet 20. The battery cabinet 10 is used to store or release electrical energy. The power cabinet 30 is equipped with a power converter 31, which is used to convert the DC power in the battery compartment 12 into AC power or to convert the AC power input from the outside into DC power. The control cabinet 20 is equipped with a control device 21, which is used to control the electrical components in the battery cabinet 10 and the power cabinet 30. Based on the integrated design of the battery cabinet 10, the power cabinet 30, and the control cabinet 20, the energy storage function can be managed in an integrated and intelligent manner, optimizing the energy utilization efficiency and improving the safety and stability of the energy storage device.

[0033] The battery cabinet 10 includes a battery compartment 12, a cold air compartment 14, a hot air compartment 15, a return air duct 16, and a cooler 11. The return air duct 16 is located on the top of the battery compartment 12, the cold air compartment 14 is located on one side of the battery compartment 12, and the hot air compartment 15 is located on the other side of the battery compartment 12. One end of the return air duct 16 is connected to the hot air compartment 15, and the other end of the return air duct 16 is connected to the cold air compartment 14. The hot air compartment 15 is connected to the battery compartment 12, and the cold air compartment 14 is connected to the battery compartment 12. The cooler 11 is located at the rear door of the battery cabinet 10. The cooler 11 is used to cool and dissipate heat from the battery cabinet 10. The cooling air outlet of the cooler 11 is connected to the cold air compartment 14, and the hot air recovery port of the cooler 11 is connected to the other end of the return air duct 16.

[0034] Furthermore, the battery compartment 12 is provided with multiple battery modules 121, which are stacked and connected in series. The cold air compartment 14 is used to receive the cold air from the cooler 11 and deliver the cold air to the battery modules 121. The hot air compartment 15 is used to receive the hot air from the battery modules 121 and deliver the hot air to the return air duct 16. The cold air chamber 14 collects the cold air from the cooler 11 and distributes it evenly to each battery module 121, thereby reducing the operating temperature of the battery module 121 and ensuring that the temperature of each battery module 121 is controlled within a reasonable range to prevent overheating. At the same time, the hot air chamber 15 collects the hot air from the battery module 121 and gathers it into the return air duct 16, and finally transfers the hot air to the hot air recovery port of the cooler 11. Thus, based on the cold air chamber 14, the hot air chamber 15, and the return air duct 16, a circulating air duct system is formed inside the battery cabinet 10 to achieve air circulation and ensure that the heat inside the battery cabinet 10 is quickly discharged, further improving the safety and stability of the energy storage device.

[0035] It should be noted that battery module 121 is a lithium iron phosphate battery.

[0036] Furthermore, the energy storage device is also equipped with a high-voltage box 13, which is located at the lower end of the battery cabinet 10. The high-voltage box 13 is connected to multiple battery modules 121. The high-voltage box 13 is equipped with a circuit breaker, a DC contactor, a fuse, a shunt, and a battery management system. The high-voltage box 13 is used to control the charging and discharging circuit of the battery module 121, as well as to detect the voltage, current, and other states of the battery module 121. Thus, the high-voltage box 13 can be used to control and protect the battery module 121.

[0037] Furthermore, the control cabinet 20 is equipped with a UPS power supply device 22, which is located at the upper part of the control cabinet 20. The UPS power supply device 22 is used to provide temporary power when the external power supply is interrupted, thereby providing temporary power support when the external power supply is interrupted, ensuring the continuous operation of the control power system and important equipment, and preventing data loss and internal equipment failure.

[0038] Furthermore, the control cabinet 20 also includes a display screen 23, which is located below the UPS power supply equipment 22. The display screen 23 is used to display the operating parameters, status information and control interface of the energy storage device, thereby enabling users to operate the energy storage device in real time.

[0039] Furthermore, the control cabinet 20 also includes a control switch 24, which is located below the control device 21. The control switch 24 is used to control the charging and discharging process inside the battery cabinet 10, thereby ensuring the safe transmission of electrical energy and the stable operation of the energy storage device.

[0040] Furthermore, the control cabinet 20 also includes a status indicator light 25, which is located at the upper end of the front door of the control cabinet 20. The status indicator light 25 is used to indicate the operating status of the energy storage device, including battery status, charging and discharging status and fault alarm status.

[0041] Furthermore, the energy storage device also includes a lifting ring 40, which is located on the top of the energy storage device, thereby facilitating the movement and installation of the energy storage device and ensuring its stability and safety.

[0042] It should be understood that in this utility model, "at least one (item)" refers to one or more, and "more than one" refers to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, "A and / or B" can represent three cases: only A exists, only B exists, and both A and B exist simultaneously, where A and B can be singular or plural. The character " / " generally indicates that the preceding and following related objects are in an "or" relationship. "At least one (item) of the following" or similar expressions refer to any combination of these items, including any combination of single or plural items. For example, at least one (item) of a, b, or c can represent: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, and c can be single or multiple.

[0043] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An energy storage device, characterized in that, include: A battery cabinet is used to store or release electrical energy. The battery cabinet is provided with a battery compartment, a cold air compartment, a hot air compartment, and a return air duct. The return air duct is located on the top of the battery compartment, the cold air compartment is located on one side of the battery compartment, the hot air compartment is located on the other side of the battery compartment, one end of the return air duct is connected to the hot air compartment, the hot air compartment is connected to the battery compartment, and the cold air compartment is connected to the battery compartment. A power cabinet, wherein the battery cabinet is located on one side of the power cabinet, and the power cabinet is equipped with a power converter, which is used to convert the DC power in the battery compartment into AC power or to convert the externally input AC power into DC power; A control cabinet, wherein the battery cabinet is located on the other side of the control cabinet, and the control cabinet is equipped with a control device for controlling the electrical components in the battery cabinet and the power cabinet.

2. The energy storage device according to claim 1, characterized in that, The battery cabinet also includes a cooler, which is located at the rear door of the battery cabinet. The cooler is used to cool and dissipate heat from the battery cabinet. The cooler's air outlet is connected to the cold air chamber, and the cooler's hot air inlet is connected to the other end of the return air duct.

3. The energy storage device according to claim 2, characterized in that, The battery compartment is provided with multiple battery modules, which are stacked and connected in series. The cold air compartment is used to receive cold air from the cooler and deliver it to the battery modules. The hot air compartment is used to receive hot air from the battery modules and deliver it to the return air duct.

4. The energy storage device according to claim 3, characterized in that, The energy storage device is also equipped with a high-voltage box, which is located at the lower end of the battery cabinet. The high-voltage box is connected to multiple battery modules and is equipped with a circuit breaker, a DC contactor, a fuse, a shunt, and a battery management system.

5. The energy storage device according to claim 1, characterized in that, The control cabinet is equipped with a UPS power supply device, which is located at the upper part of the control cabinet and is used to provide temporary power when the external power supply is interrupted.

6. The energy storage device according to claim 5, characterized in that, The control cabinet also includes a display screen located below the UPS power supply equipment. The display screen is used to display the operating parameters, status information, and control interface of the energy storage device.

7. The energy storage device according to claim 1, characterized in that, The control cabinet also includes a control switch, which is used to control the charging and discharging process within the battery cabinet.

8. The energy storage device according to claim 1, characterized in that, The control cabinet also includes status indicator lights, which are located on the upper part of the front door of the control cabinet. The status indicator lights are used to indicate the operating status of the energy storage device, including battery status, charging and discharging status, and fault alarm status.

9. The energy storage device according to claim 1, characterized in that, The energy storage device also includes a lifting ring, which is located at the top of the energy storage device.

10. The energy storage device according to claim 3, characterized in that, The battery module is a lithium iron phosphate battery.

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