High-capacity high-voltage outdoor energy storage equipment

Abstract

The utility model relates to the technical field of outdoor energy storage equipment, and discloses large-capacity high-voltage outdoor energy storage equipment, which comprises a cabinet body, a main door and a side door are arranged on the front surface of the cabinet body, a rack is fixed in the cabinet body, a module and a high-voltage box are inserted into the rack, the module and the high-voltage box are both fixed on the rack through bolts, and the high-voltage box is fixed on the rack through bolts. According to the large-capacity high-voltage outdoor energy storage equipment, through reasonable layout of the modules, the high-voltage box, the fire fighting system and the air conditioning equipment, the use difficulty and the later maintenance difficulty are effectively reduced, the service life of the modules is prolonged through a module air cooling scheme, and meanwhile the problems that in the prior art, a box body of a battery case is troublesome to install, and the service life of the battery case is prolonged are solved. Meanwhile, convenience of external wiring of the case body is considered, the requirement for outdoor installation of the high-voltage energy storage system is met, the high-voltage energy storage system is suitable for being used outdoors under various weather conditions, and the requirements for integrated installation and use of the battery and the inverter and waterproof and dustproof requirements are considered at the same time.

Description

TECHNICAL FIELD

[0001] The utility model relates to outdoor energy storage equipment technical field, concretely is a kind of large capacity high pressure outdoor energy storage equipment. BACKGROUND

[0002] Some high-pressure energy storage systems inevitably need to be installed outdoors, while also needing to consider the integrated installation and use of batteries and inverters, in addition to waterproof and dustproof requirements, local visual control equipment and remote monitoring functions are also added, in addition to multiple battery packs and high-voltage boxes, the total control box as the core of charging and discharging, the temperature of each battery pack in the equipment needs to be controlled by industrial air conditioning and other temperature control devices, and in some extreme cases, when a single battery experiences thermal runaway, a thermal aerosol fire extinguishing device is needed to effectively handle the thermal runaway smoke, and the entire system needs to be shut down in an emergency, which are important links in energy storage equipment. Therefore, how to reasonably layout the battery module, temperature control device, fire extinguishing device, inverter and other important components in the outdoor energy storage cabinet of the energy storage equipment is a technical problem that needs to be solved at present. When maintaining the energy storage equipment, the cabinet door is easily closed by external forces such as strong winds after the staff opens the cabinet door, which can easily cause harm to the staff, and has certain disadvantages. Therefore, we propose a large capacity high pressure outdoor energy storage equipment. SUMMARY

[0003] The utility model aims at providing a kind of large capacity high pressure outdoor energy storage equipment to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of large capacity high pressure outdoor energy storage equipment, including cabinet, the front of the cabinet is provided with main door and side door, the inside of the cabinet is fixed with rack, the rack is inserted with module and high-voltage box, the module and high-voltage box are all fixed on rack by bolt, the top of the rack is provided with fire control system, fire control system uses thermal aerosol fire extinguishing device, can timely and effectively handle thermal runaway smoke, the main door and the cabinet between are provided with the driven part that avoids the accidental closing of main door, rack is fixed in cabinet, cabinet and rack are combined, rack adopts the form of track, module and high-voltage box are embedded in rack when installing using track sliding-in type, then fixed using bolt, it is convenient for module and high-voltage box to install, and simultaneously wiring uses quick plug, mistake-proof design, module and high-voltage box use copper bar front cross, it is convenient for installation and inspection maintenance, solve the existing battery machine box cabinet installation troublesome, while considering the convenience of wiring.

[0005] Preferably, the right side of the cabinet is provided with eight groups of nuts, which are M8 waterproof nuts, used for inverter installation and fixation.

[0006] Preferably, the main door is provided with air conditioning equipment, and the side door is provided with a screen for interaction and an emergency stop switch. The air conditioning equipment can provide a suitable working environment for the battery, improve the efficiency and service life of the system, and the screen can facilitate human-computer interaction to realize system operation state visualization. In an emergency, the emergency stop switch can be used to shut down the entire system.

[0007] Preferably, the front of the cabinet is provided with a water guide groove, which cooperates with the sealing rubber strips provided on the main door and the side door to effectively improve the overall waterproof and dustproof requirements of the device.

[0008] Preferably, the driven part includes a support rod, one end of the support rod is hinged to the inside of the cabinet, the other end of the support rod is penetrated by a brace and is in sliding connection with the brace, the end of the brace away from the support rod is hinged to the side of the main door close to the cabinet, the side of the brace is penetrated by a driven pawl and is in sliding connection with the driven pawl, the inner wall of the brace is fixed with a spring one, the end of the spring one away from the brace is fixed with the driven pawl, the side of the brace is penetrated by an extrusion rod and is in sliding connection with the extrusion rod, the side of the driven pawl close to the extrusion rod is fixed with a triangular block, the side of the driven pawl away from the triangular block is provided with a clamping groove, the side of the brace is penetrated by an L-shaped clamping rod and is hinged to the L-shaped clamping rod, the inner wall of the brace is fixed with a spring two, the end of the spring two away from the brace is fixed with the L-shaped clamping rod, the inner wall of the support rod is fixed with a driving pawl and a resisting block, when the main door is opened, the main door pulls the brace and the support rod, the brace extends in the support rod, in this process, the driven pawl on the brace is in contact with the driving pawl, the driven pawl is intermittently contacted, cooperates with the spring one to make the driven pawl move back and forth, but at this time, when the main door is pushed to close, the driven pawl can be in contact with the driving pawl, so that the main door cannot be closed but only opened, thereby avoiding the main door from being closed by the wind and hitting the worker when the worker is maintaining and checking the inside of the cabinet. When the main door needs to be closed, the main door is only pulled to the maximum opening angle, at this time, the extrusion rod is in contact with the inner wall of the support rod and moves to the side close to the driven pawl, the extrusion rod is in contact with the triangular block, the driven pawl is pushed to retract into the brace, at this time, the clamping groove on the driven pawl moves to the position of the L-shaped clamping rod, under the action of the spring two, the L-shaped clamping rod is inserted into the clamping groove to limit the driven pawl, the driven pawl is separated from the driving pawl, at this time, the main door can be closed, when the main door is completely closed, the brace is completely retracted into the support rod and is reset, the end of the L-shaped clamping rod outside the brace is in contact with the resisting block, so that the L-shaped clamping rod is rotated, the L-shaped clamping rod is withdrawn from the clamping groove, the limitation of the driven pawl is released, under the action of the spring one, the driven pawl is reset and in contact with the driving pawl again, the device is reset.

[0009] Compared with the prior art, this utility model provides a large-capacity high-voltage outdoor energy storage device, which has the following beneficial effects:

[0010] 1. This large-capacity high-voltage outdoor energy storage device effectively reduces the difficulty of use and maintenance through the rational layout of modules, high-voltage boxes, fire protection systems, and air conditioning equipment. The module air-cooling solution improves the service life of the modules, while solving the problem of complicated battery enclosure installation in existing technologies. It also takes into account the convenience of external wiring of the enclosure, solves the outdoor installation requirements of high-voltage energy storage systems, is suitable for outdoor use under various climatic conditions, and takes into account the integrated installation and use of batteries and inverters as well as waterproof and dustproof requirements.

[0011] 2. This large-capacity high-voltage outdoor energy storage device, through its driven mechanism, pulls the support rod and strut when the main door is opened. The support rod extends out inside the strut. During this process, the driven teeth on the support rod collide with the active teeth. The driven teeth are intermittently collided, and with the help of the spring plate, the driven teeth move back and forth. However, when the main door is pushed to close, the driven teeth can engage with the active teeth, so that the main door cannot be closed but can only be opened. This can prevent staff from being injured by the main door being blown closed by strong winds when they are performing maintenance and inspection on the inside of the cabinet. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall front view of the present invention;

[0013] Figure 2 This is a front view structural diagram of the present invention with the main door and side door removed;

[0014] Figure 3 This is a schematic diagram of the frame, module, high-pressure box and water guide channel of this utility model;

[0015] Figure 4 This utility model Figure 3 Schematic diagram of the enlarged structure of A in the middle;

[0016] Figure 5 This is a schematic diagram of the driven part structure of this utility model;

[0017] Figure 6 This is a cross-sectional view of the connection between the support rod and the strut of this utility model;

[0018] Figure 7 This utility model Figure 6 Schematic diagram of the enlarged structure of B.

[0019] In the figure: 1, cabinet body; 2, driven part; 21, support rod; 22, support rod; 23, driven catch; 24, elastic sheet I; 25, extrusion rod; 26, triangular block; 27, clamping groove; 28, L-shaped clamping rod; 29, elastic sheet II; 210, active catch; 211, abutting block; 3, main door; 4, side door; 5, rack; 6, module; 7, high-voltage box; 8, fire extinguishing system; 9, nut; 10, air conditioning equipment; 11, screen; 12, emergency stop switch; 13, water guide groove. DETAILED DESCRIPTION

[0020] As Figures 1-7 shown, the utility model provides a technical scheme: a kind of large capacity high pressure outdoor energy storage equipment, including cabinet body 1, cabinet body 1 front is provided with main door 3 and side door 4, the inside of cabinet body 1 is fixed with rack 5, rack 5 is inserted with module 6 and high-voltage box 7, module 6 and high-voltage box 7 are all fixed on rack 5 by bolt, the top of rack 5 is provided with fire extinguishing system 8, fire extinguishing system 8 uses hot aerosol fire extinguishing device, can promptly and effectively handle heat runaway flue gas, main door 3 and cabinet body 1 between are provided with the driven part 2 of avoiding main door 3 accidental closing, module 6 is battery module, single module 6 uses 16 string 280Ah battery cell, rated voltage 51.2V, the electric quantity of single module 6 14.3kWh, module 6 is embedded with BMU-ASM, BMU-ASM is combined by BMU being installed on BMU fixed plate, using screw from outside, BMU-ASM is fixed on module 6, realize module 6 overall volume minimization, rack 5 is fixed in cabinet body 1, cabinet body 1 and rack 5 are combined, rack 5 uses the form of track, module 6 and high-voltage box 7 are embedded rack 5 when installation using track sliding-in type, then using bolt is fixed, facilitate module 6 and high-voltage box 7 install, and wiring is simultaneously adopted quick plug, mistake-proof design, module 6 and high-voltage box 7 use copper bar front cross connection, facilitate installation and check maintenance, solve the existing battery machine box cabinet installation trouble, while considering the convenience of wiring, high-voltage box 7 highest pressure resistance design 1500v, uses three-level architecture design, single module uses 16 string 280Ah battery cell, single cluster system highest electric quantity 215kWh, most can be parallelly connected to 20 clusters 4.3MWh;Increase EMS function can realize remote monitoring and upgrade, carry out local monitoring and control, reduce use difficulty and later maintenance difficulty, module 6 uses air cooling, improve the life of module 6 use.

[0021] The right side of the cabinet body 1 is provided with eight groups of nuts 9, which are M8 waterproof nuts, used for inverter installation and fixation. The main door 3 is provided with an air conditioning device 10, and the side door 4 is provided with a screen 11 and an emergency stop switch 12 for interaction. The air conditioning device 10 can provide a suitable working environment for the battery cell, improve the efficiency and service life of the system, the screen 11 facilitates man-machine interaction, realizes system operation state visualization, and through the equipped emergency stop switch 12, the whole system can be emergency shut down in emergency.

[0022] The driven part 2 comprises a support rod 21, one end of the support rod 21 is hinged on the inner side of the cabinet body 1, the other end of the support rod 21 is penetrated by a supporting rod 22 and is in sliding connection with the supporting rod 22, the end of the supporting rod 22 away from the support rod 21 is hinged on the side of the main door 3 close to the cabinet body 1, the side of the supporting rod 22 is penetrated by a driven pawl 23 and is in sliding connection with the driven pawl 23, the inner wall of the supporting rod 22 is fixed with a spring piece one 24, the end of the spring piece one 24 away from the supporting rod 22 is fixed with the driven pawl 23, the side of the supporting rod 22 is penetrated by an extrusion rod 25 and is in sliding connection with the extrusion rod 25, the side of the driven pawl 23 close to the extrusion rod 25 is fixed with a triangular block 26, the side of the driven pawl 23 away from the triangular block 26 is provided with a clamping groove 27, the side of the supporting rod 22 is penetrated by an L-shaped clamping rod 28 and is hinged with the L-shaped clamping rod 28, the inner wall of the supporting rod 22 is fixed with a spring piece two 29, the end of the spring piece two 29 away from the supporting rod 22 is fixed with the L-shaped clamping rod 28, the inner wall of the support rod 21 is fixed with a driving pawl 210 and an abutting block 211, when the main door 3 is opened, the main door 3 pulls the supporting rod 22 and the support rod 21, the supporting rod 22 is stretched in the support rod 21, in this process, the driven pawl 23 on the supporting rod 22 is in abutment with the driving pawl 210, the driven pawl 23 is intermittently abutted, the driven pawl 23 moves back and forth under the cooperation of the spring piece one 24, but when the main door 3 is pushed to close, the driven pawl 23 can be clamped with the driving pawl 210, so that the main door 3 cannot be closed but only opened, so that the staff can be prevented from being hit by the main door 3 closed by the strong wind when the inside of the cabinet body 1 is maintained and inspected, when the main door 3 needs to be closed, the main door 3 is only pulled to open to the maximum state, at this time, the extrusion rod 25 is abutted by the inner wall of the support rod 21 and moves to the side close to the driven pawl 23, the extrusion rod 25 is abutted on the triangular block 26 and pushes the driven pawl 23 to retract into the supporting rod 22, at this time, the clamping groove 27 on the driven pawl 23 moves to the position of the L-shaped clamping rod 28, under the action of the spring piece two 29, the L-shaped clamping rod 28 is inserted into the clamping groove 27 to limit the driven pawl 23, the driven pawl 23 is separated from the driving pawl 210, at this time, the main door 3 can be closed, when the main door 3 is completely closed, the supporting rod 22 is completely retracted into the support rod 21 and is reset, the end of the L-shaped clamping rod 28 outside the supporting rod 22 is abutted by the abutting block 211, so that the L-shaped clamping rod 28 rotates, the L-shaped clamping rod 28 is withdrawn from the clamping groove 27 and releases the limitation on the driven pawl 23, under the action of the spring piece one 24, the driven pawl 23 is reset and recontacts with the driving pawl 210, the device is reset.

[0023] Based on the above embodiment, when the staff needs to maintain the whole device, the main door 3 is opened, the main door 3 pulls the supporting rod 22 and the supporting rod 21, the supporting rod 22 is extended in the supporting rod 21, in this process, the driven tooth 23 on the supporting rod 22 is in contact with the driving tooth 210, the driven tooth 23 is intermittently contacted, and the driven tooth 23 is moved back and forth with the cooperation of the elastic sheet 24, but when the main door 3 is pushed to close, the driven tooth 23 can be engaged with the driving tooth 210, so that the main door 3 cannot be closed but only opened, so that the staff can be prevented from being hit by the main door 3 closed by the strong wind when maintaining the inside of the cabinet 1.

[0024] When the main door 3 needs to be closed, the main door 3 is only pulled to the maximum opening angle, at this time the extrusion rod 25 is in contact with the inner wall of the supporting rod 21 and moves to the side close to the driven tooth 23, the extrusion rod 25 is in contact with the triangular block 26 and pushes the driven tooth 23 to retract into the supporting rod 22, at this time the clamping groove 27 on the driven tooth 23 moves to the L-shaped clamping rod 28, under the action of the elastic sheet 29, the L-shaped clamping rod 28 is inserted into the clamping groove 27 to limit the driven tooth 23, the driven tooth 23 is separated from the driving tooth 210, at this time the main door 3 can be closed, when the main door 3 is completely closed, the supporting rod 22 is completely retracted into the supporting rod 21 and reset, the end of the L-shaped clamping rod 28 outside the supporting rod 22 is in contact with the abutting block 211, so that the L-shaped clamping rod 28 rotates, the L-shaped clamping rod 28 is withdrawn from the clamping groove 27, and the limitation of the driven tooth 23 is released, under the action of the elastic sheet 24, the driven tooth 23 is reset and in contact with the driving tooth 210, and the device is reset.

[0025] The above is a detailed description of the general utility model, but some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, without departing from the spirit of the utility model, the modification or improvement is within the protection scope of the utility model.

Claims

1. A large-capacity high-voltage outdoor energy storage device, comprising a cabinet (1), the front of the cabinet (1) is provided with a main door (3) and a side door (4), characterized in that: The inside of the cabinet body (1) is fixed with a rack (5), the rack (5) is plugged with a module (6) and a high-voltage box (7), the module (6) and the high-voltage box (7) are both fixed on the rack (5) through bolts, the top of the rack (5) is provided with a fire extinguishing system (8), the driven part (2) for avoiding accidental closing of the main door (3) is arranged between the main door (3) and the cabinet body (1), the driven part (2) comprises a supporting rod (21), one end of the supporting rod (21) is hinged to the inside of the cabinet body (1), the other end of the supporting rod (21) is penetrated by a supporting rod (22) and is in sliding connection with the supporting rod (22), the end of the supporting rod (22) away from the supporting rod (21) is hinged to the side of the main door (3) close to the cabinet body (1), the side of the supporting rod (22) is penetrated by a driven pawl (23) and is in sliding connection with the driven pawl (23), the inner wall of the supporting rod (22) is fixed with a spring sheet one (24), the end of the spring sheet one (24) away from the supporting rod (22) is fixed with the driven pawl (23), the side of the supporting rod (22) is penetrated by an extrusion rod (25) and is in sliding connection with the extrusion rod (25), the side of the driven pawl (23) close to the extrusion rod (25) is fixed with a triangular block (26), the side of the driven pawl (23) away from the triangular block (26) is provided with a clamping groove (27), the side of the supporting rod (22) is penetrated by an L-shaped clamping rod (28) and is hinged with the L-shaped clamping rod (28), the inner wall of the supporting rod (22) is fixed with a spring sheet two (29), the end of the spring sheet two (29) away from the supporting rod (22) is fixed with the L-shaped clamping rod (28), the inner wall of the supporting rod (21) is fixed with a driving pawl (210) and an abutting block (211).

2. A large-capacity high-voltage outdoor energy storage device according to claim 1, characterized by: The right side of the cabinet body (1) is provided with eight groups of nuts (9).

3. A large-capacity high-voltage outdoor energy storage device according to claim 1, characterized by: The main door (3) is provided with an air conditioning equipment (10), the side door (4) is provided with a screen (11) and an emergency stop switch (12) for interaction.

4. A large-capacity high-voltage outdoor energy storage device according to claim 1, characterized by: The front of the cabinet body (1) is provided with a water guide groove (13).

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