A grid-connected energy storage outdoor cabinet

Abstract

The utility model relates to the technical field of energy storage equipment, and specifically discloses a grid-connected energy storage outdoor cabinet, including a cabinet, a door panel is provided at the front end of the cabinet, a PCS module, an EMS system, an electric meter, a lightning arrester, a circuit breaker, a BMS module and several groups of battery modules are sequentially arranged in the cabinet, several cascade cabinets adapted to the battery modules are arranged in the cabinet, the battery modules are installed on the cascade cabinet, several air conditioning modules are arranged on the cabinet, and several air conditioning heat dissipation outlets connected to the air conditioning modules are opened at the front and rear ends of the cabinet. The utility model has a simple structure, high integration, small footprint, and is easy to install and maintain. It can be flexibly selected according to the power consumption of different users. If capacity expansion is required in the future, it only needs to increase the number of cascade cabinets, which is easy to expand capacity and is very convenient to install and disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage equipment, in particular to a grid-connected energy storage outdoor cabinet. Background Art

[0002] As peak-valley electricity prices continue to widen in various regions, the economic benefits of peak-valley price arbitrage for small factories and industrial parks have become increasingly obvious. As a result, medium and large-scale energy storage has emerged. The conventional method uses indoor rack-mounted battery stacks or container-type energy storage, which has the problems of occupying factory land and difficulty in expanding capacity. Utility Model Content

[0003] The technical problem to be solved by the utility model is that, in view of the above-mentioned defects of the prior art, a grid-connected energy storage outdoor cabinet is provided, which has a streamlined structure, a high degree of integration, a small footprint, is easy to install and maintain, can be flexibly selected according to the power consumption of different users, and if capacity expansion is needed in the future, it only needs to increase the number of cascade cabinets. The capacity is easy to expand, and installation and disassembly are very convenient.

[0004] In order to solve the above technical problems, the technical solution of the utility model is:

[0005] A grid-connected energy storage outdoor cabinet comprises a cabinet body, a door panel is arranged at the front end of the cabinet body, a PCS module, an EMS system, an electric meter, a lightning arrester, a circuit breaker, a BMS module and several groups of battery modules are arranged in sequence in the cabinet body, several cascade cabinets adapted to the battery modules are arranged in the cabinet body, the battery modules are mounted on the cascade cabinets, several air-conditioning modules are arranged on the cabinet body, and several air-conditioning heat dissipation outlets connected to the air-conditioning modules are opened at the front and rear ends of the cabinet body.

[0006] Preferably, the cascade cabinet comprises a battery module pressure plate, a battery module limiting member and a battery module supporting plate, and the battery module limiting member and the battery module pressure plate are both connected to the battery module supporting plate.

[0007] Preferably, the battery module support plate, the battery module pressure plate and the battery module limiting member are sequentially arranged to form a plurality of battery module installation concave cavities, and the battery module is installed in the battery module installation concave cavities.

[0008] Preferably, a BMS bracket and a PCS bracket are provided inside the cabinet, and the BMS module and the PCS module are installed on the BMS bracket and the PCS bracket respectively.

[0009] Preferably, a top plate is provided at the upper end of the cabinet, a bottom plate is provided at the bottom of the cabinet, a plurality of hanging rings are provided at the upper end of the top plate, and a plurality of mounting fixtures are provided on the side of the bottom plate.

[0010] Preferably, a handle is provided on the door panel, and the door panel is connected to the cabinet body via a hinge.

[0011] By adopting the above technical scheme, the utility model provides a grid-connected energy storage outdoor cabinet, which has the following beneficial effects: a door panel is arranged at the front end of the cabinet body in the grid-connected energy storage outdoor cabinet, and a PCS module, an EMS system, an electric meter, a lightning arrester, a circuit breaker, a BMS module and several groups of battery modules are arranged in sequence in the cabinet body, and several cascade cabinets compatible with the battery modules are arranged in the cabinet body, and the battery modules are installed on the cascade cabinets, and several air-conditioning modules are arranged on the cabinet body. Several air-conditioning heat dissipation outlets connected with the air-conditioning modules are opened at the front and rear ends of the cabinet body. The overall structure is streamlined, the integration is high, the footprint is small, and it is easy to install and maintain. It can be flexibly selected according to the power consumption of different users. If capacity expansion is needed in the future, it only needs to increase the number of cascade cabinets, which is easy to expand the capacity and is very convenient to install and disassemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded view of the utility model;

[0013] Figure 2 It is a three-dimensional diagram of the utility model;

[0014] In the figure, 1-cabinet, 2-door panel, 3-PCS module, 4-EMS system, 5-electric meter, 6-lightning arrester, 7-circuit breaker, 8-BMS module, 9-battery module, 10-cascade cabinet, 11-air conditioning module, 12-air conditioning heat dissipation outlet, 13-battery module pressure plate, 14-battery module limiter, 15-battery module support plate, 16-BMS bracket, 17-PCS bracket, 18-top plate, 19-bottom plate, 20-hanging ring, 21-installation fixture, 22-handle. DETAILED DESCRIPTION

[0015] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in each implementation method of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0016] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0017] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0018] like Figure 1-2 As shown, the grid-connected energy storage outdoor cabinet includes a cabinet 1, a door panel 2 is provided at the front end of the cabinet 1, a PCS module 3, an EMS system 4, an electric meter 5, a lightning arrester 6, a circuit breaker 7, a BMS module 8 and several groups of battery modules 9 are sequentially arranged in the cabinet 1, a plurality of cascade cabinets 10 adapted to the battery modules 9 are arranged in the cabinet 1, and the battery modules 9 are installed on the cascade cabinets 10, a plurality of air-conditioning modules 11 are arranged on the cabinet 1, and a plurality of air-conditioning heat dissipation outlets 12 connected to the air-conditioning modules 11 are opened at the front and rear ends of the cabinet 1. It can be understood that the cabinet body 1, the door panel 2 and the cascade cabinet 10 can all be made of stainless steel, etc., the PCS module 3 can be a universal energy storage converter, etc., the EMS system 4 can be a universal power management system, etc., the electric meter 5 can be a universal electric meter, etc., the lightning arrester 6 can be a universal lightning arrester, etc., the circuit breaker 7 can be a universal circuit breaker, etc., the BMS module 8 can be a universal BMS module, etc., the battery module 9 can be a lithium iron phosphate battery, etc., and the air-conditioning module 11 can be a universal modular air-conditioning unit, etc.

[0019] Specifically, the cascade cabinet 10 includes a battery module pressing plate 13, a battery module limiting member 14 and a battery module supporting plate 15, and the battery module limiting member 14 and the battery module pressing plate 13 are connected to the battery module supporting plate 15; the battery module supporting plate 15, the battery module pressing plate 13 and the battery module limiting member 14 are sequentially arranged to form a plurality of battery module installation concave cavities, and the battery module 9 is installed in the battery module installation concave cavities; the cabinet 1 is provided with a BMS Bracket 16 and PCS bracket 17, the BMS module 8 and PCS module 3 are respectively installed on the BMS bracket 16 and PCS bracket 17; a top plate 18 is provided at the upper end of the cabinet 1, a bottom plate 19 is provided at the bottom of the cabinet 1, a plurality of hanging rings 20 are provided at the upper end of the top plate 18, and a plurality of mounting fixtures 21 are provided on the side of the bottom plate 19; a handle 22 is provided on the door panel 2, and the door panel 2 is connected to the cabinet 1 through a hinge. It can be understood that the cabinet 1 is cooled and dissipated by air-conditioning modules at the front and back to achieve the purpose of controlling the battery temperature within the target range; the number of battery modules 9 is at least 32 groups; it can be flexibly selected according to the power consumption of different customers, and future expansion only requires increasing the number of cascade cabinets. Standard communication interfaces can be used to facilitate system management and scheduling, and all data are connected to the cloud platform for real-time monitoring to achieve unattended operation. The product integrates battery, BMS, PCS, thermal management, fire protection, EMS and other subsystems. Cloud products use big data, cloud computing, artificial intelligence and other digital information technologies to provide a variety of interactive methods with owners, general contractors, integrators, operation and maintenance companies, power grid companies, power sales companies and other participants, providing users with targeted system solutions.

[0020] It can be understood that the utility model has a reasonable design, unique structure, streamlined overall structure, high integration, small footprint, easy installation and maintenance, and can be flexibly selected according to the power consumption of different users. If capacity expansion is needed in the future, it only needs to increase the number of cascade cabinets. It is easy to expand capacity and is convenient to install and disassemble.

[0021] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and variations of these embodiments are made without departing from the principles and spirit of the present invention, and still fall within the scope of protection of the present invention.

Claims

1. A grid-connected energy storage outdoor cabinet, comprising a cabinet, a door panel is provided at the front end of the cabinet, a PCS module, an EMS system, an electric meter, a lightning arrester, a circuit breaker, a BMS module and a plurality of battery modules are sequentially arranged in the cabinet, characterized in that: A plurality of cascade cabinets compatible with the battery module are arranged in the cabinet, the battery module is installed on the cascade cabinet, a plurality of air-conditioning modules are arranged on the cabinet, and a plurality of air-conditioning heat dissipation outlets connected with the air-conditioning modules are opened at the front and rear ends of the cabinet.

2. The grid-connected energy storage outdoor cabinet according to claim 1 is characterized in that: The cascade cabinet comprises a battery module pressing plate, a battery module limiting member and a battery module supporting plate, and the battery module limiting member and the battery module pressing plate are both connected to the battery module supporting plate.

3. The grid-connected energy storage outdoor cabinet according to claim 1 is characterized in that: The battery module support plate, the battery module pressure plate and the battery module limiting member are sequentially arranged to form a plurality of battery module installation concave cavities, and the battery module is installed in the battery module installation concave cavities.

4. The grid-connected energy storage outdoor cabinet according to claim 1 is characterized in that: A BMS bracket and a PCS bracket are arranged inside the cabinet, and the BMS module and the PCS module are respectively installed on the BMS bracket and the PCS bracket.

5. The grid-connected energy storage outdoor cabinet according to claim 1 is characterized in that: The upper end of the cabinet is provided with a top plate, the bottom of the cabinet is provided with a bottom plate, the upper end of the top plate is provided with a plurality of hanging rings, and the side surface of the bottom plate is provided with a plurality of installation fixings.

6. The grid-connected energy storage outdoor cabinet according to claim 1 is characterized in that: A handle is provided on the door panel, and the door panel is connected to the cabinet body through a hinge.

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