Liquid cooling energy storage cabinet

Abstract

The utility model relates to the technical field of energy storage cabinet design, in particular to a liquid cooling energy storage cabinet which comprises a cabinet body, a power supply module, a cooling module and a function module, the cabinet body is provided with a vertical partition plate, the vertical partition plate divides the cabinet body into a battery bin and a function bin, the power supply module is arranged in the battery bin, and the function module is arranged in the function bin. According to the utility model, the space is divided into the battery compartment and the functional compartment through the vertical partition plate, so that the power supply module and the functional module are effectively isolated, the influence of heating of the battery compartment on the operation of the functional module is avoided, and the safety and reliability of the whole operation are improved. Meanwhile, the high-voltage box and the battery pack are separated through the transverse partition plate, the internal space layout is further optimized, and interference of high-voltage electrical equipment is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to outdoor energy storage cabinet design technical field especially relates to a liquid cooling energy storage cabinet. BACKGROUND

[0002] With the rapid development of new energy industry, energy storage technology is increasingly widely used in energy systems. As an important part of the energy storage system, the structural design and functional integration of the energy storage cabinet directly affect the operation efficiency, safety and maintenance convenience of the system.

[0003] The existing energy storage cabinet integrates battery packs, converters (PCS), battery management systems (BMS), energy management systems (EMS), monitoring and control systems and other auxiliary systems. The efficient integration and rational layout of these functional modules are the core problems of energy storage cabinet design. Currently, the structural design of the energy storage cabinet is mainly based on columns and beams, and the cabinet body frame is formed by welding and bolt connection, and then the functional components are fixed inside the cabinet body. However, this traditional design has many shortcomings. The battery compartment and PCS compartment are usually arranged in the same area, and the heat generated by the battery may affect the operation of the PCS and cause safety hazards. The air conditioner installed in the battery compartment also easily causes uneven heat dissipation inside the cabinet. The current structural design of the existing energy storage cabinet has obvious shortcomings in appearance, functional integration, safety and maintenance convenience, and a new design scheme is urgently needed to solve these problems and optimize the overall performance and user experience of the energy storage cabinet. SUMMARY

[0004] The present patent proposes a new energy storage cabinet structural design to solve the problems of complex structure and poor heat dissipation in the existing energy storage cabinet structural design.

[0005] The utility model discloses the following technical scheme realizes:

[0006] A liquid cooling energy storage cabinet, comprising a cabinet body, a power supply module, a cooling module and a functional module, the cabinet body is provided with a vertical partition, the vertical partition divides the cabinet body into a battery compartment and a functional compartment, the power supply module is arranged in the battery compartment, and the cooling module and the functional module are arranged in the functional compartment; the power supply module comprises battery packs and a high-voltage box arranged in sequence from top to bottom, the battery packs and the high-voltage box are separated by a horizontal partition, and the high-voltage box comprises a BMS; the cooling module comprises a liquid cooling unit and a liquid cooling hose, one end of the liquid cooling hose is connected to the liquid cooling unit, and the other end is connected to the heat dissipation plate of the battery pack; the functional module comprises an UPS, an EMS and a PCS, the liquid cooling unit is arranged above the UPS, the EMS is arranged on one side of the UPS, and the PCS is arranged below the UPS; the battery packs are communicatively connected to the high-voltage box, the high-voltage box is communicatively connected to the PCS, the PCS is electrically connected to a grid-connected line, the EMS and the UPS respectively, and the UPS is electrically connected to the liquid cooling host.

[0007] Further, the fire-fighting device is arranged above the battery pack, and the fire-fighting device is separated from the battery pack by the transverse partition plate.

[0008] Further, the power module is arranged on one side of the UPS, the UPS is electrically connected with the power module, and the power module is electrically connected with the fire-fighting device and the EMS respectively.

[0009] Further, the switch, the serial port server, the water intrusion sensor and the temperature and humidity sensor are arranged, the EMS is in communication connection with the switch, the switch is in communication connection with the serial port server, the serial port server is in communication connection with the water intrusion sensor, the temperature and humidity sensor and the high-voltage box respectively, and the high-voltage box is in communication connection with the liquid cooling unit and the fire-fighting device.

[0010] Further, the switch is in communication connection with the PCS, and the PCS is in communication connection with the high-voltage box.

[0011] Further, the air cooling device comprises a plurality of fans, each fan is arranged on one side of the UPS and one side of the PCS respectively, and each fan is electrically connected with the UPS.

[0012] Further, the cabinet body comprises a cross beam top cover, a side plate, a front door plate, a rear door plate, a bottom plate and a stand column, the cross beam top cover, the side plate and the bottom plate are sequentially connected by bolts to form a frame body, the side plate is connected with the stand column by bolts, the front door plate and the rear door plate are hinged with the side plate respectively, and the cross beam top cover, the side plate, the front door plate, the rear door plate and the bottom plate are uniformly provided with sealing rubber strips along the sides, and the front door plate and the rear door plate are respectively provided with louvers.

[0013] Further, the bottom plate comprises a plurality of channel steels, a plurality of reinforcing ribs and a mounting plate, the plurality of channel steels are cross-welded at 90 degrees, the plurality of reinforcing ribs are arranged between the channel steels, and the mounting plate is welded to the top of the channel steels.

[0014] Further, the cross beam top cover is provided with an ear, the bottom of the ear is connected with the cross beam in the cross beam top cover by bolts, and the two sides of the ear are welded with the cross beam top cover.

[0015] Advantages of the utility model:

[0016] (1) the utility model discloses a liquid cooling energy storage cabinet, which divides the space into a battery compartment and a functional compartment through a vertical partition plate, effectively isolates the power supply module and the functional module, avoids the influence of heat generation of the battery compartment on the operation of the functional module, and improves the safety and reliability of overall operation.

[0017] (2) The utility model provides a kind of liquid cooling energy storage cabinet, using liquid cooling technology, through liquid cooling unit and liquid cooling hose and battery pack heat dissipation plate connection, can efficiently take away the heat generated when battery pack runs, solve the problem of uneven heat dissipation of traditional energy storage cabinet.Liquid cooling unit is arranged above UPS, save space and improve heat dissipation efficiency, ensure that the temperature inside energy storage cabinet is balanced, prolong the service life of equipment;

[0018] (3) The utility model discloses a kind of liquid cooling energy storage cabinet, fire-fighting device is set on battery pack, and is isolated with battery pack by horizontal partition, ensure that fire risk can be controlled in time during the operation of battery.The fire-fighting device is electrically connected with EMS and power module, to form a perfect fire safety management mechanism, further improve the safety performance of energy storage cabinet;

[0019] (4) The utility model discloses a kind of liquid cooling energy storage, cabinet function module is installed position with the way of hierarchical layout optimization, UPS and EMS, PCS are located in different regions respectively, improve the convenience of equipment operation and maintenance.PCS and grid-connected line, EMS, UPS between communication and electric connection path are reasonably arranged, reduce line complexity, simplify construction and maintenance work;

[0020] (5) The utility model discloses a kind of liquid cooling energy storage cabinet, configure switch, serial server and water intrusion sensor, temperature and humidity sensor and other equipment, realize intelligent monitoring by the communication connection of EMS and switch, can monitor the environmental conditions inside cabinet body and electrical equipment operating state in real time, further guarantee the stability and safety of system;

[0021] (6) The utility model discloses a kind of liquid cooling energy storage cabinet, cabinet body uses the frame structure of bolt connection crossbeam top cover, side plate, bottom plate, is designed in collaboration with sealing rubber strip and louver, ensure good sealing performance, prevent the influence of external environment to equipment.Lug is fixed by bolt and welding, enhance the bearing capacity of top cover, meet the actual demand of transportation and installation. DRAWINGS

[0022] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in embodiment description, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, other drawings can also be obtained according to these drawings.

[0023] Figure 1 It is the front structure schematic view of the utility model discloses a kind of liquid cooling energy storage cabinet;

[0024] Figure 2 It is the front internal structure schematic view of the utility model discloses a kind of liquid cooling energy storage cabinet;

[0025] Figure 3 A side internal structure sectional view of the liquid-cooled energy storage cabinet is provided for the utility model;

[0026] Figure 4 A whole electrical connection schematic diagram of the liquid-cooled energy storage cabinet is provided for the utility model;

[0027] Figure 5 A control electrical connection schematic diagram of the liquid-cooled energy storage cabinet is provided for the utility model.

[0028] In the drawing, 1-cabinet body, 2-battery pack, 3-high voltage box, 4-liquid cooling unit, 5-UPS, 6-EMS, 7-PCS, 8-fire fighting device, 9-power module, 10-switch, 11-serial server, 12-water intrusion sensor, 13-temperature and humidity sensor, 14-lifting lug. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with examples and drawings, and the illustrative embodiment and its explanation of the utility model are only used for explaining the utility model, and not as the limitation of the utility model.

[0030] Example 1

[0031] Reference Figures 1-3 A liquid-cooled energy storage cabinet, including cabinet body 1, power supply module, cooling module, functional module, the cabinet body 1 is provided with vertical partition, the vertical partition divides cabinet body 1 into battery compartment and function compartment, the power supply module is arranged in battery compartment, the cooling module and functional module are arranged in function compartment, the cabinet body 1 includes crossbeam top cover, side plate, front door plate, rear door plate, bottom plate, stand, the crossbeam top cover, side plate, bottom plate are sequentially connected by bolt and constitute frame, the side plate is connected with stand by bolt, the front door plate and rear door plate are hinged with side plate respectively, the crossbeam top cover, side plate, front door plate, rear door plate, bottom plate side are evenly provided with sealing rubber strip, the front door plate and rear door plate are provided with louver respectively.

[0032] The energy storage cabinet overall frame in the embodiment adopts modular design, and is constituted by crossbeam top cover, side plate, door plate, bottom plate and stand, the space in the cabinet body 1 is divided into multiple independent functional areas by partition, including battery compartment, PCS7 compartment, BMS compartment, EMS6 compartment and UPS5 compartment and other functional module areas. The partition, door plate and side plate are all added thermal insulation cotton, form heat insulation layer, improve the temperature control effect in the cabinet body 1, the top cover is closely matched with the side plate and door plate by bending and buckling mode, form effective structure waterproof.

[0033] The side plate and the top cover are bolted, the frame is easy to leak water, the full welding treatment is carried out, and transparent waterproof glue is coated at the welding seam, so that the sealing performance is further enhanced. The lug 14 is first fixed and connected to the top cover of the cross beam by bolts, and then full welding treatment is carried out to ensure strength and waterproof performance. The side plate is made of a large piece of sheet metal and is connected to the stand column by bolts, and is sealed by a waterproof rubber strip, and the compression amount of the rubber strip is greater than 4mm, so as to ensure the sealing effect. The door plate and the air inlet and outlet are provided with sealing rubber strips to increase the waterproof performance of the structure. The base is made of a 10# channel steel structure, and reinforcing ribs and forklift holes are additionally provided to improve the carrying capacity of the cabinet 1 and the transportation convenience. The mounting plate part is used by combining the partial welding and full welding, which not only ensures the structural strength, but also improves the sealing performance.

[0034] The cooling system in the embodiment adopts a combination of liquid cooling and air cooling according to the needs of different functional areas. The battery compartment is provided with a liquid cooling system, and the liquid cooling unit 4 is connected to the heat sink of the battery pack 2 through a liquid cooling hose to accurately control the battery temperature and avoid overheating. The functional module area including PCS7, EMS6 and UPS5 adopts air cooling. The air cooling system realizes ventilation and heat dissipation through the waterproof louver window arranged in the auxiliary door. The louver window at the door plate position is designed after accurate calculation to ensure that the ventilation area meets the heat dissipation needs and realizes waterproofing in structure.

[0035] The side plate of the battery compartment of the energy storage cabinet is designed with an opening for arranging cables, which avoids the problem of high difficulty in traditional underground wiring construction. The secondary line arrangement of other module areas is carried out through the openings in the stand column and reinforcing ribs to ensure that the cables are horizontal and vertical, the layout is beautiful, and the construction and maintenance are convenient.

[0036] Embodiment 2

[0037] The embodiment proposes a circuit structure of a liquid-cooled energy storage cabinet on the basis of embodiment 1.

[0038] In the embodiment, through the synergistic effect of the power supply module, the cooling module, the functional module and the auxiliary equipment, the energy storage cabinet realizes efficient, safe and stable operation.

[0039] A liquid-cooled energy storage cabinet, comprising:

[0040] A power supply module, which mainly includes a battery pack 2 and a high-voltage box 3 arranged in sequence from top to bottom. The battery pack 2 and the high-voltage box 3 are separated by a horizontal partition, and the high-voltage box 3 is integrated with a battery management system BMS.

[0041] The battery pack 2 is responsible for storing electrical energy and providing electrical energy support for the energy storage system. The operating state of the battery pack 2 (such as voltage, current, temperature, etc.) is monitored in real time by the BMS.

[0042] High-voltage box 3, built-in BMS module, receives operation data from battery pack 2, monitors battery status in real time, performs battery charging and discharging protection, fault diagnosis and early warning, and sends data to energy management system EMS 6 through a communication interface.

[0043] Cooling module, cooling module includes liquid cooling unit 4 and liquid cooling hose, for providing efficient heat dissipation for battery pack 2, the model of the liquid cooling unit 4 is LCI-30CR-10Z3-1227, the liquid cooling unit 4 is arranged above the UPS 5 of the functional module, connected with the battery pack 2, provides circulating cooling liquid for the heat dissipation plate of the battery pack 2, ensures temperature control of the battery during efficient charging and discharging, one end of the liquid cooling hose is connected with the liquid cooling unit 4, the other end is connected with the heat dissipation plate of the battery pack 2, forming a stable liquid cooling circulation system.

[0044] Functional module, the functional module includes energy storage converter (PCS7), energy management system (EMS6) and uninterruptible power supply (UPS5), the model of the PCS7 is INPPCS7-100 / 0.4-W-25-C1, the model of the EMS6 is IMGCB01, and the model of the UPS5 is C1KS2021. Among them, the PCS7 energy storage converter is arranged below the UPS5, responsible for realizing the bidirectional electric energy flow of the battery and the power consumption side equipment. The PCS7 supports functions such as fast charging and discharging, energy optimization management and peak load shifting. Through a communication interface, the real-time charging and discharging state is uploaded to the EMS6, and the control instruction issued by the EMS6 is received.

[0045] The EMS6 energy management system is arranged on one side of the UPS5, and is the core management system of the energy storage cabinet. The EMS6 communicates with the PCS7, BMS, cooling module and fire extinguishing device 8 to monitor the running state of the energy storage cabinet in real time, including battery capacity, power, temperature and fault conditions. According to the preset strategy, the EMS6 dynamically controls the charging and discharging, heat dissipation and safety protection of the energy storage cabinet, to ensure the safe and stable operation of the energy storage cabinet.

[0046] The UPS5 uninterruptible power supply is arranged at the center position of the functional module area, supports stable power supply of the liquid cooling unit 4, EMS6 and air cooling device, and provides internal short-time power failure protection function of the energy storage cabinet.

[0047] The auxiliary functional module includes: fire extinguishing device 8, the fire extinguishing device 8 is arranged above the battery pack 2 and is separated from the battery pack 2 by a transverse partition. When detecting emergency conditions such as battery overheating and fire, the fire extinguishing device 8 triggers the fire extinguishing action through the control of the EMS6, effectively inhibiting the safety hazard.

[0048] The air cooling device is arranged with multiple fans around the functional modules, i.e., the PCS7, the EMS6 and the UPS5, is powered by the UPS5 and is connected with the heat dissipation to discharge hot air. The door plate position is designed with a waterproof shutter to ensure the air cooling heat dissipation effect and realize the waterproof function.

[0049] The power module 9 is arranged on one side of the UPS5, provides auxiliary power for the fire-fighting device 8, the EMS6 and other equipment and ensures the continuity of the operation of the key modules.

[0050] The sensor system includes a water intrusion sensor 12 and a temperature and humidity sensor 13, respectively monitors the water immersion and the temperature and humidity state in the energy storage cabinet and transmits data to the EMS6 to realize dynamic adjustment and alarm through the EMS6.

[0051] The communication equipment includes a switch 10 and a serial server 11, is responsible for connecting the EMS6 and various modules (such as the PCS7, the BMS and the cooling module), realizes the rapid transmission of data and the coordinated control between systems.

[0052] The BMS monitors the state of the battery pack 2 in real time, uploads data to the EMS6; the PCS7 performs dynamic charging and discharging adjustment according to the instruction of the EMS6 and uploads real-time electric energy flow data; the EMS6 comprehensively analyzes the data from the BMS, the PCS7, the cooling module and the fire-fighting device 8, optimizes the energy management, the cooling control and the safety protection according to the preset strategy. When the battery temperature rises, the EMS6 starts the liquid cooling unit 4 to rapidly cool; when abnormal conditions such as water intrusion or high temperature are detected, the EMS6 triggers the fire-fighting device 8 and the alarm system to ensure the safe operation of the energy storage cabinet.

[0053] In summary, the liquid-cooled energy storage cabinet of the embodiment is comprehensively optimized in structure, cooling system, cable arrangement and functional module, not only improves the sealing and waterproof performance of the cabinet 1, but also realizes the accurate management of internal temperature control through the cooling scheme combining liquid cooling and air cooling. The optimization of the cable arrangement reduces the construction complexity, enhances the overall aesthetic appearance and maintainability; the introduction of the EMS6 system realizes remote monitoring and intelligent management, provides efficient, safe and reliable operation guarantee for the energy storage cabinet.

[0054] The basic principle and main features of the utility model and the advantages of the utility model are shown and described. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid-cooled energy storage cabinet, comprising a cabinet body, a power supply module, a cooling module, a function module, characterized in that, The cabinet body is provided with a vertical partition plate, which separates the cabinet body into a battery compartment and a function compartment, the power supply module is arranged in the battery compartment, and the cooling module and the function module are arranged in the function compartment; The power supply module comprises a battery pack and a high-voltage box arranged in sequence from top to bottom, the battery pack and the high-voltage box are separated by a horizontal partition plate, and the high-voltage box comprises a BMS; The cooling module comprises a liquid cooling unit and a liquid cooling hose, one end of the liquid cooling hose is connected to the liquid cooling unit, and the other end is connected to a heat dissipation plate of the battery pack; The function module comprises a UPS, an EMS and a PCS, the liquid cooling unit is arranged above the UPS, the EMS is arranged on one side of the UPS, and the PCS is arranged below the UPS; The battery pack is in communication connection with the high-voltage box, the high-voltage box is in communication connection with the PCS, the PCS is electrically connected to a grid-connected line, the EMS and the UPS respectively, and the UPS is electrically connected to the liquid cooling host.

2. The liquid-cooled energy storage cabinet of claim 1, wherein, Further comprising a fire-fighting device, which is arranged above the battery pack and separated from the battery pack by a horizontal partition plate.

3. The liquid-cooled energy storage cabinet of claim 1, wherein, Further comprising a power module, which is arranged on one side of the UPS, the UPS is electrically connected to the power module, and the power module is electrically connected to the fire-fighting device and the EMS respectively.

4. The liquid-cooled energy storage cabinet of claim 1, wherein, Further comprising a switch, a serial port server, a water intrusion sensor and a temperature and humidity sensor, the EMS is in communication connection with the switch, the switch is in communication connection with the serial port server, the serial port server is in communication connection with the water intrusion sensor, the temperature and humidity sensor and the high-voltage box respectively, and the high-voltage box is in communication connection with the liquid cooling unit and the fire-fighting device.

5. A liquid-cooled energy storage tank according to claim 4, wherein, The switch is in communication connection with the PCS, and the PCS is in communication connection with the high-voltage box.

6. The liquid-cooled energy storage cabinet of claim 1, wherein, Further comprising an air cooling device, which comprises a plurality of fans, each of the fans is arranged on one side of the UPS and one side of the PCS respectively, and each of the fans is electrically connected to the UPS.

7. The liquid-cooled energy storage cabinet of claim 1, wherein, The cabinet body comprises a cross beam top cover, a side plate, a front door plate, a rear door plate, a bottom plate and a stand, the cross beam top cover, the side plate and the bottom plate are sequentially connected by bolts to form a frame body, the side plate is connected to the stand by bolts, the front door plate and the rear door plate are hinged to the side plate, and the cross beam top cover, the side plate, the front door plate, the rear door plate and the bottom plate are all provided with sealing rubber strips, and the front door plate and the rear door plate are both provided with louvers.

8. The liquid-cooled energy storage cabinet of claim 7, wherein, The bottom plate comprises a plurality of channel steels, a plurality of reinforcing ribs and a mounting plate, the plurality of channel steels are cross-welded at 90 degrees, the plurality of reinforcing ribs are arranged between the channel steels, and the mounting plate is welded to the top of the channel steels.

9. The liquid-cooled energy storage cabinet of claim 7, wherein, A lifting lug is arranged on the cross beam top cover, the bottom of the lifting lug is connected to a cross beam in the cross beam top cover by bolts, and the two sides of the lifting lug are welded to the cross beam top cover.

Images