Energy storage device suitable for distributed power generation

Abstract

The utility model discloses an energy storage device suitable for distributed power generation, which comprises an energy storage cabinet, a fixing frame is arranged in the energy storage cabinet, partition plate frames are arranged on the fixing frame in a layered manner, the partition plate frames and the fixing frame divide the internal space of a cabinet body into a plurality of rectangular accommodating spaces, and drawing frames are arranged in the rectangular accommodating spaces. The utility model relates to the technical field of energy storage equipment, battery packs are stored and placed through the drawing frame, layering and interval placement of the battery packs can be achieved, the battery packs do not make direct contact with one another, the battery packs do not make direct contact with the side wall of an energy storage cabinet, scratching can be effectively avoided, and the battery packs are convenient to take and place; an elastic supporting component is arranged on the rear side of the drawing frame, and a limiting locking piece is arranged on the front side of the drawing frame, so that the drawing frame can be limited and locked, the drawing frame can be limited and fixed, and the drawing frame is prevented from slipping off; an air-cooling heat dissipation mechanism is arranged at the lower part of the energy storage cabinet, so that the operation stability and safety of the battery pack are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy storage device technical field, concretely to a kind of energy storage device suitable for distributed power generation. BACKGROUND

[0002] Photovoltaic power generation is influenced by light, weather and other factors, and the output power presents volatility and intermittency. Distributed photovoltaic without energy storage may cause voltage fluctuation, frequency deviation and other problems. Configuring energy storage system can reduce the impact on the power grid and improve system stability through peak clipping, power smoothing and other functions. Currently, battery pack (electrochemical energy storage system) is widely used in distributed photovoltaic power station as an energy storage solution to achieve flexible storage and efficient use of electric energy. As the core component of the energy storage system, the battery pack is usually placed in the energy storage cabinet in a storage manner. The existing battery pack storage device often lacks sufficient isolation measures, resulting in contact and friction between the battery packs and between the battery packs and the inner wall of the energy storage cabinet during installation and disassembly, thereby increasing the risk of damage to the battery pack and making maintenance work inconvenient. In view of this, the present case is generated after in-depth research on the above problems. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides an energy storage device suitable for distributed power generation, which solves the problems raised in the background art.

[0004] To achieve the above purpose, the utility model realizes the following technical scheme: an energy storage device suitable for distributed power generation, comprising an energy storage cabinet, a fixed frame is arranged inside the energy storage cabinet, a partition frame is arranged in layers on the fixed frame, the partition frame and the fixed frame divide the internal space of the cabinet into a plurality of rectangular accommodation spaces, a pull-out frame is arranged in the rectangular accommodation space, the pull-out frame is connected to the fixed frame through sliding guide pieces on both sides, a spring support member is arranged on the side of the rear end of the pull-out frame close to the back plate of the cabinet, limit locking pieces are symmetrically arranged on the front side wall surface of the fixed frame, one end of the limit locking piece is connected to the front side wall surface of the pull-out frame, a forced air cooling mechanism is arranged at the lower part of the energy storage cabinet, and a heat dissipation hole is formed in the side wall of the energy storage cabinet.

[0005] The pull-out frame is a light alloy groove type frame structure, silica gel protection strips are attached to the inner alloy plate of the pull-out frame, a plurality of partition plates are arranged horizontally at intervals in the pull-out frame, rubber wear-resistant strips are arranged on the side walls of the partition plates, and a handle is arranged on the front side wall surface of the pull-out frame.

[0006] The sliding guide piece includes a guide rail and a sliding groove, the guide rail is symmetrically arranged on the inner side wall surface of the fixed frame, and the sliding groove is welded on both sides of the pull-out frame and slidably connected with the guide rail.

[0007] The elastic support member comprises a sleeve base, a compression spring, a pushing column and a rubber pad, the sleeve base is welded on the rear side wall surface of the pull-out frame, the compression spring is arranged in the sleeve base, the pushing column is slidingly inserted into the opening end of the sleeve base and connected with the compression spring, and the rubber pad is fixedly arranged on one end of the pushing column and attached to the back plate of the cabinet.

[0008] The limiting and locking member comprises a fixing base, a rotating pin and a locking block, the fixing base is welded on the front side wall surface of the fixing frame, the rotating pin is rotatably arranged on the fixing base, and the locking block is fixedly connected with the rotating pin at one end and is clamped with the front side wall surface of the pull-out frame at the other end.

[0009] The air-cooled heat dissipation mechanism comprises a hollow base, a heat dissipation fan is embedded in the side of the hollow base, a through-type heat dissipation air duct is arranged between the upper end surface of the hollow base and the lower end surface of the energy storage cabinet, and a heat exchange and cooling assembly is arranged on the air inlet end of the heat dissipation fan.

[0010] The heat exchange and cooling assembly comprises an air inlet bin, a heat exchange coil pipe, a circulating pump, a water tank and a semiconductor refrigeration sheet, the air inlet bin is arranged on the air inlet end of the heat dissipation fan, the heat exchange coil pipe is arranged in the air inlet bin and connected with the water tank at one end, the inlet end of the circulating pump is connected with the water tank and the outlet end is connected with the heat exchange coil pipe, a rectangular notch is formed in the side wall of the water tank, and the semiconductor refrigeration sheet is embedded in the rectangular notch.

[0011] The energy storage device suitable for distributed power generation has the following beneficial effects: the energy storage device suitable for distributed power generation improves the existing energy storage cabinet, sets the fixing frame and the partition frame in the energy storage cabinet, divides the fixing frame into a plurality of square accommodation spaces by the partition frame, slidingly sets the pull-out frame in the square accommodation space, stores and places the battery pack through the pull-out frame, can realize layered and interval placement of the battery pack, and the battery packs and the energy storage cabinet side wall are not in direct contact, so that scratches can be effectively avoided and the battery pack is convenient to take and place; the elastic support member is arranged on the rear side of the pull-out frame, the limiting and locking member is arranged on the front side, the limiting and locking of the pull-out frame can be realized, the limiting and fixing of the pull-out frame can be realized, and the pull-out frame is prevented from slipping off; the air-cooled heat dissipation mechanism is arranged at the lower part of the energy storage cabinet, cold air is blown into the cabinet through the lower part of the cabinet, heat in the cabinet is blown out through the heat dissipation holes in the side wall of the energy storage cabinet, the internal environment of the cabinet is cooled, and the operation stability and safety of the battery pack are improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the energy storage device suitable for distributed power generation.

[0013] Figure 2 It is an axonometric structure schematic view of the pull-out frame.

[0014] Figure 3 The utility model discloses a three-dimensional structure schematic diagram of pull-out frame.

[0015] Figure 4 The utility model discloses a partial side view structure schematic diagram of heat exchange cooling component.

[0016] Figure 5 The utility model discloses a cross section structure schematic diagram of elastic support member.

[0017] Figure 6 The utility model discloses a position a partial enlarged structure schematic diagram. Figure 1

[0018] In the drawing: 1, energy storage cabinet;2, fixed frame;3, partition frame;4, pull-out frame;5, heat dissipation hole;6, silica gel protection strip;7, partition plate;8, rubber wear-resistant strip;9, handle;10, guide rail;11, sliding slot;12, sleeve seat;13, compression spring;14, push column;15, rubber pad;16, rotating pin;17, locking block;18, hollow base;19, heat dissipation fan;20, air inlet bin;21, heat exchange coil;22, circulating pump;23, water tank;24, semiconductor refrigeration sheet. Specific implementation

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor are within the protection scope of the utility model.

[0020] Embodiment: combine with the drawing of specification Figures 1-6 ​It can be known that the energy storage device suitable for distributed power generation is specifically designed, the fixed frame 2 is arranged in the energy storage cabinet 1, the partition frame 3 is arranged in layers on the fixed frame 2, the fixed frame 2 and the partition frame 3 separate the internal space of the cabinet body into a plurality of rectangular accommodation spaces, the pull-out frame 4 is arranged in the rectangular accommodation space, the pull-out frame 4 is connected with the fixed frame 2 through the sliding guide on both sides, the sliding guide includes a guide rail 10 and a sliding groove 11, the guide rail 10 is symmetrically arranged on the inner side wall surface of the fixed frame 2, the sliding groove 11 is welded on both sides of the pull-out frame 4 and is in sliding cooperation with the guide rail 10, the elastic support member is arranged on the rear end of the pull-out frame 4 close to the side of the back plate of the cabinet body, the limiting locking piece is symmetrically arranged on the front side wall surface of the fixed frame 2, one end of the limiting locking piece is in clamping cooperation with the front side wall surface of the pull-out frame 4, the wind cooling mechanism is arranged at the lower part of the energy storage cabinet 1, and the heat dissipation holes 5 are formed in the side wall of the energy storage cabinet 1; wherein the pull-out frame 4 is a light alloy groove type frame structure, the silica gel protection strips 6 are attached to the inner side alloy plate of the pull-out frame 4, a plurality of partition plates 7 are arranged in the pull-out frame 4 in a horizontal interval, the rubber wear-resistant strips 8 are arranged on the side walls of the partition plates 7, the handle 9 is arranged on the front side wall surface of the pull-out frame 4, the existing energy storage cabinet 1 is improved, the fixed frame 2 and the partition frame 3 are arranged in the energy storage cabinet 1, the fixed frame 2 is separated into a plurality of rectangular accommodation spaces by the partition frame 3, the pull-out frame 4 is arranged in the rectangular accommodation space in a sliding mode, the battery pack is placed in the pull-out frame 4, the battery pack can be placed in layers and intervals, and the battery pack and the energy storage cabinet 1 are not in direct contact, so that scratches can be effectively avoided and the battery pack can be easily taken and placed; the elastic support member is arranged on the rear side of the pull-out frame 4, the limiting locking piece is arranged on the front side, the limiting locking of the pull-out frame 4 can be realized, the limiting fixation of the pull-out frame 4 can be realized, and the pull-out frame 4 is prevented from slipping off; the wind cooling mechanism is arranged at the lower part of the energy storage cabinet 1, the cold air is blown into the lower part of the cabinet body, the heat in the internal space of the cabinet body is blown out through the heat dissipation holes 5 in the side wall of the energy storage cabinet 1, the internal environment of the cabinet body is cooled, and the operation stability and safety of the battery pack are improved.

[0021] In the implementation process, as a preferred setting, the elastic support member includes a sleeve seat 12, a compression spring 13, a push column 14 and a rubber pad 15. The sleeve seat 12 is welded on the rear wall surface of the pull frame 4. The compression spring 13 is arranged in the sleeve seat 12. The push column 14 is slidingly inserted into the opening end of the sleeve seat 12 and connected with the compression spring 13. The rubber pad 15 is fixedly arranged at one end of the push column 14 and attached to the back plate of the cabinet. The limiting and locking member includes a fixed seat, a rotating pin 16 and a locking block 17. The fixed seat is welded on the front wall surface of the fixed frame 2. The rotating pin 16 is rotatably arranged on the fixed seat. The locking block 17 is fixedly connected with the rotating pin 16 at one end and is clamped with the front wall surface of the pull frame 4 at the other end. In use, the distributed photovoltaic power station energy storage battery pack is placed in the pull frame 4. The pull frame 4 is pushed to move to the inside of the cabinet. When the rubber pad 15 abuts against the back plate of the cabinet, the operator continuously pushes the pull frame 4, so that the push column 14 slides into the sleeve seat 12, thereby extruding the compression spring 13. After the pull frame 4 is completely pushed into the fixed frame 2, the locking blocks 17 on both sides are rotated to lock the pull frame 4. At this time, the compression spring 13 is in a compressed state. The reset elastic force of the compression spring 13 will push the push column 14, thereby achieving the limiting and locking of the pull frame 4.

[0022] In the implementation process, as a preferred setting, the elastic support member includes a sleeve seat 12, a compression spring 13, a push column 14 and a rubber pad 15. The sleeve seat 12 is welded on the rear wall surface of the pull frame 4. The compression spring 13 is arranged in the sleeve seat 12. The push column 14 is slidingly inserted into the opening end of the sleeve seat 12 and connected with the compression spring 13. The rubber pad 15 is fixedly arranged at one end of the push column 14 and attached to the back plate of the cabinet. The limiting and locking member includes a fixed seat, a rotating pin 16 and a locking block 17. The fixed seat is welded on the front wall surface of the fixed frame 2. The rotating pin 16 is rotatably arranged on the fixed seat. The locking block 17 is fixedly connected with the rotating pin 16 at one end and is clamped with the front wall surface of the pull frame 4 at the other end. In use, the distributed photovoltaic power station energy storage battery pack is placed in the pull frame 4. The pull frame 4 is pushed to move to the inside of the cabinet. When the rubber pad 15 abuts against the back plate of the cabinet, the operator continuously pushes the pull frame 4, so that the push column 14 slides into the sleeve seat 12, thereby extruding the compression spring 13. After the pull frame 4 is completely pushed into the fixed frame 2, the locking blocks 17 on both sides are rotated to lock the pull frame 4. At this time, the compression spring 13 is in a compressed state. The reset elastic force of the compression spring 13 will push the push column 14, thereby achieving the limiting and locking of the pull frame 4.

[0023] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. An energy storage device suitable for distributed power generation comprising an energy storage cabinet, characterized in that, The energy storage cabinet is provided with a fixed frame, the fixed frame is provided with a partition frame in layers, the partition frame and the fixed frame divide the internal space of the cabinet body into a plurality of square accommodation spaces, a pull-out frame is arranged in the square accommodation space, the pull-out frame is connected with the fixed frame through sliding guide pieces on both sides, an elastic support member is arranged on the side of the rear end of the pull-out frame close to the back plate of the cabinet body, limit locking pieces are symmetrically arranged on the front side wall surface of the fixed frame, one end of the limit locking piece is connected with the front side wall surface of the pull-out frame, a wind cooling heat dissipation mechanism is arranged at the lower part of the energy storage cabinet, and heat dissipation holes are formed in the side wall of the energy storage cabinet. The pull-out frame is a light alloy groove type frame structure, silica gel protection strips are attached to the inner alloy plate of the pull-out frame, a plurality of partition plates are arranged in the pull-out frame in a horizontal interval, rubber wear-resistant strips are arranged on the side walls of the partition plates, and a handle is arranged on the front side wall surface of the pull-out frame.

2. The energy storage device of claim 1, wherein, The sliding guide piece comprises a guide rail and a sliding groove, the guide rail is symmetrically arranged on the inner side wall surface of the fixed frame, and the sliding groove is welded on both sides of the pull-out frame and is in sliding cooperation with the guide rail.

3. The energy storage device of claim 1, wherein, The elastic support member comprises a sleeve seat, a compression spring, a pushing column and a rubber pad, the sleeve seat is welded on the rear side wall surface of the pull-out frame, the compression spring is arranged in the sleeve seat, the pushing column is slidingly inserted into the opening end position of the sleeve seat and is connected with the compression spring, and the rubber pad is fixedly arranged on one end of the pushing column and is attached to the back plate of the cabinet body.

4. The energy storage device of claim 1, wherein, The limit locking piece comprises a fixed seat, a rotating pin and a locking block, the fixed seat is welded on the front side wall surface of the fixed frame, the rotating pin is rotatably arranged on the fixed seat, one end of the locking block is fixedly connected with the rotating pin, and the other end is connected with the front side wall surface of the pull-out frame.

5. The energy storage device of claim 1, wherein, The wind cooling heat dissipation mechanism comprises a hollow base, a heat dissipation fan is embedded in the side of the hollow base, a through-type heat dissipation air duct is arranged between the upper end surface of the hollow base and the lower end surface of the energy storage cabinet body, and a heat exchange cooling assembly is arranged on the air inlet end of the heat dissipation fan.

6. An energy storage device suitable for distributed power generation according to claim 5, wherein, The heat exchange cooling assembly comprises an air inlet bin, a heat exchange coil, a circulating pump, a water tank and a semiconductor refrigeration sheet, the air inlet bin is arranged on the air inlet end of the heat dissipation fan, the heat exchange coil is arranged in the air inlet bin and is connected with the water tank at one end, the inlet end of the circulating pump is connected with the water tank, the outlet end is connected with the heat exchange coil, a rectangular notch is formed in the side wall of the water tank, and the semiconductor refrigeration sheet is embedded in the rectangular notch.

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