101 results about "Battery room" patented technology

An assembly structure of a crutch handle includes a handle body, a top case, and an upper cover. The handle body is T-shaped and has a grip part and an assembly part. The grip part is provided with a hollow accommodation space. A battery room is communicated between the accommodation space and the assembly part to provide storage space for a battery, the accommodating space is defined as a circuit board room and a motor room to install an eccentric motor and a circuit board. The crutch handle of the present invention has the additional function of vibration or heating, which helps to improve the practicality of the structure. Moreover, the structure is simple and easy for the user to disassemble and assemble.

A method is disclosed for managing and safeguarding a battery environment. The method includes continuous monitoring of individual battery voltages in a battery room and automatic isolation of defective batteries, employing a controller-solenoid switch mechanism responsive to voltage abnormalities. The methodology accounts for the state of battery charging, invoking fan activation when charging occurs or hydrogen levels rise. Also disclosed is a system for managing a battery system in a battery room and isolating defective batteries. Enhanced system features include hydrogen sensors strategically placed throughout, including the ceiling, with outcome-driven fan operation and comprehensive notification mechanisms to inform on-site personnel of gas release locations, maintaining a secure and efficient battery room environment.

The invention belongs to the technical field of lithium metal batteries, and relates to preparation of an ultrathin polymer electrolyte with a wide electrochemical window and application of the ultrathin polymer electrolyte in a solid-state lithium metal battery, a preparation method comprises the following steps: firstly, coating a substrate with polymer slurry, and then soaking, stripping and drying to obtain a porous membrane matrix; the preparation method comprises the following steps: mixing an electrolyte, a conductive lithium salt, a cross-linking agent, 4-fluorine-alpha-methyl styrene and an initiator to obtain an electrolyte precursor solution; and then supporting the electrolyte precursor liquid on the porous membrane substrate, and carrying out in-situ polymerization and curing to obtain the polymer electrolyte. Compared with the prior art, the thickness of the polycarbonate solid electrolyte is 7.8 microns, and the polycarbonate solid electrolyte shows high room-temperature ionic conductivity, a wide electrochemical window and excellent dendritic crystal resistance. And the corresponding 4.5 V high-voltage LiLCO solid-state battery can stably circulate for 1500 circles at room temperature. The electrolyte is ultrathin, the preparation process is simple, the scale is easy to enlarge, and the electrolyte shows a good practical application prospect.

Provided is a station building-based energy storage power station safety protection structure, comprising a plurality of battery clusters arranged within a battery room, the plurality of battery clusters being arranged in an array. A cooling air duct is arranged, within the configuration of a station building, at the rear of the battery clusters. The cooling air duct is provided with cold air outlets corresponding to each battery cluster row. Auxiliary air ducts, which connect to the cold air outlets, are provided and correspond to each battery cluster row. An air exchange vent is provided on each auxiliary air duct at an end facing away from the cooling air duct, and a waste heat utilization plate heat exchanger apparatus is arranged on an inner wall of the battery room, on a side furthest from the cold air outlets. A fire extinguishing system is provided within the station building, the fire extinguishing system comprising a plurality of aerosol fire-extinguishing apparatuses arranged on the inner walls of the station building, and a foam fire-extinguishing system arranged above the battery clusters. A sensor group is arranged on a top wall within the battery room, and the sensor group and the fire extinguishing system are electrically connected to a single controller.

The utility model provides a battery room fire extinguishing system which comprises a battery room body and further comprises an opening and closing cabin door on one side of the battery room body, a plurality of sets of bearing supporting plates are installed in the battery room body, placing plates are installed at the tops of the bearing supporting plates, and battery boxes are movably connected to the tops of the placing plates in an inserted mode. A plurality of groups of box body partition plates are arranged in an inner cavity of the battery box; a device base is arranged on one side of the battery room body, a foam tank is mounted at the top of the device base, an infusion pump is further mounted at the top of the device base, multiple groups of liquid injection pipes are arranged on the other side of the battery box, liquid injection nozzles are mounted at the tail ends of the multiple groups of liquid injection pipes, and normally closed electromagnetic valves are mounted on the outer sides of the multiple groups of liquid injection pipes; according to the utility model, the inner cavities of the battery box are divided by the plurality of groups of box body clapboards, so that batteries can be independently stored, each divided battery cavity is provided with an independent temperature control switch and an independent temperature sensor, and the sensors receive temperature abnormal signals to quickly start a fire extinguishing program so as to accurately and efficiently extinguish fire of the batteries on fire.

The application discloses a kind of leakage detection methods of liquid cooling system, it is related to leakage detection technical field, including, in the backwater port of liquid cooling unit, pressure sensor is arranged, the pressure in backwater pipeline is monitored in real time;Water immersion sensor is laid out in the low-lying area of battery chamber and electrical chamber, is connected with DC24V power supply line by water immersion rope, for detecting liquid leakage state;Simultaneously, insulation detection module is configured, for measuring the insulation resistance of high-voltage busbar to ground in system.Through two-way detection mechanism, it is combined to judge that backwater pressure is lower than preset threshold value or water immersion sensor output alarm and insulation resistance anomaly, once judging that leakage fault occurs, system executes protection action including PCS emergency stop, direct current circuit breaker tripping and battery disconnecting;The application overcomes the problem of single monitoring means in the prior art, such as slow reaction, false negative or false positive, etc., realizes fault judgment and protection action at the initial stage of leakage, thereby improving the safety and reliability of liquid cooling system operation.

The invention discloses a high-safety battery pack which comprises a shell and a plurality of batteries, an upper cover plate is arranged at the upper end of the shell, a lower cover plate is arranged at the lower end of the shell, the interior of the shell is divided into a plurality of mutually independent battery chambers through partition plates, the batteries are placed in the battery chambers respectively, a supporting plate is arranged in the lower end of each battery chamber, and a plurality of pre-opening areas are arranged on the lower cover plate. The periphery of the pre-opening area is provided with a thinning groove. According to the high-safety battery pack disclosed by the invention, the pre-opening area can quickly and accurately release thermal runaway gas, so that shell damage and fire spreading are avoided; the conical supporting column gives consideration to supporting, heat dissipation and buffering, and not only guides airflow but also prevents the battery from expanding and cracking; the silicon-based damping paste realizes damping and heat dissipation, and can be cured and insulate heat at high temperature; the independent battery chamber and the cooling fins optimize heat dissipation, the problems of thermal runaway, unbalanced heat dissipation and shock absorption, insufficient fire prevention and the like of a traditional battery pack are effectively solved, the service life of the battery is prolonged, and the application safety is improved.

The invention relates to a mobile energy storage and charging integrated cabin, and belongs to the technical field of charging cabins, the mobile energy storage and charging integrated cabin comprises an energy storage cabin, the interior of the energy storage cabin is sequentially divided into a cable chamber, a confluence control chamber, a battery chamber, a PCS chamber and a charging pile chamber, a battery module is arranged in the battery chamber, and the battery chamber is located in the middle of the energy storage cabin; a cable reel and an alternating current external socket are arranged in the cable chamber, a control confluence cabinet is arranged in the confluence control chamber, a vehicle-mounted energy storage converter is arranged in the PCS chamber, and a charging pile body and a quick-locking type charging gun access port are arranged in the charging pile chamber. An external cable, an energy storage battery, a power converter (PCS) and a charging pile body are integrated in the energy storage cabin, so that integrated configuration of energy storage, power supply and quick charging is realized, and the problem of discretization of functional modules is solved; in consideration of the problem of vibration of internal equipment, the battery module with heavy mass is adjusted to the middle of the cabin body, so that the configuration of charging and discharging on two sides is formed, the weight structure layout is optimized, and the vibration amplitude in the moving process is reduced.

The utility model discloses a station building type energy storage power station, which comprises an automation chamber, energy storage converter chambers and battery chambers, the energy storage converter chambers and the battery chambers are sequentially arranged on the left side and the right side of the automation chamber, battery racks are mounted in the battery chambers, battery clusters are arranged on the battery racks side by side, and each battery cluster comprises a plurality of single battery packs which are sequentially connected from bottom to top. An energy storage converter PCS and a confluence cabinet are installed in the energy storage conversion chamber, a battery management system BMS and a frame-type circuit breaker are arranged in the confluence cabinet, each battery cluster is connected with the direct current side of the PCS through the frame-type circuit breaker in the confluence cabinet and connected with a communication interface of the PCS through the BMS in the confluence cabinet, a secondary cabinet is arranged in the automation chamber, and a battery pack is arranged in the secondary cabinet. An energy management system (EMS) is installed in the secondary cabinet, and the EMS is connected with the BMS and the PCS through signal lines. According to the utility model, through the measures of functional area separation, efficient communication management, multiple safety protection, energy conversion efficiency improvement, intelligent energy management and the like, the operation and maintenance efficiency, the safety and the energy utilization efficiency are improved.

The utility model relates to the technical field of battery steel structures, and discloses an anti-drop steel structure for a hydrogen battery chamber of a hydrogen energy locomotive, which comprises a chassis, an electric storage tank for placing is arranged at the top of the chassis, and the battery chamber for storing energy is clamped and mounted in the electric storage tank. A sealing plate is fixedly installed at the position, corresponding to the power storage tank and the battery chamber, of the top of the chassis, the inner wall face of the sealing plate abuts against the top of the battery chamber, and the device further comprises a fixing assembly and a protection assembly. The anti-vibration and anti-collision capabilities are enhanced, the stability and the safety of the battery chamber in the long-term use process are ensured, and the battery chamber is more practical.

The utility model relates to the technical field of energy equipment, in particular to a light, storage and firewood integrated container which comprises a container body, partition plates are arranged in the container body, and the interior of the container body is divided into an energy storage battery chamber, a diesel generator chamber and a photovoltaic storage chamber through the partition plates. A diesel generator is arranged in the diesel generator chamber, an installation support used for installing energy storage components is arranged in the energy storage battery chamber, a photovoltaic support is arranged in the photovoltaic storage chamber, a photovoltaic panel is installed on the photovoltaic support, and a rotation adjusting mechanism is arranged between the photovoltaic support and the container body. The interior of the container body is divided into the energy storage battery chamber, the diesel generator chamber and the photovoltaic storage chamber by arranging the partition plates, and the space in the container body is reasonably divided; and the rotation adjusting bracket is arranged to rotate the photovoltaic bracket and adjust the angle, so that the angle adjusting range is widened, the photovoltaic panel is more effectively contacted with sunlight, and the use convenience is improved.

The present invention addresses the problem in which when a lead-acid battery is used in a low temperature region, said lead-acid battery having a plurality of cell chambers arranged along the lamination direction of laminates constituting electrode plate groups housed in the cell chambers, the negative electrode plates constituting the electrode plate groups stored in the cell chambers at both ends in the lamination direction are more easily affected by low temperatures than the negative electrode plates constituting the electrode plate groups stored in the cell chambers other than the cell chambers at both ends in the lamination direction, and thus high rate electrical discharge performance of the lead-acid battery itself may become insufficient.　The present invention is characterized in that the BET specific surface area X of the negative electrode plates of the laminates constituting the electrode plate groups housed in the cell chambers at both ends in the lamination direction is 1.00 m2 / g or less, the BET specific surface area Y of the negative electrode plates constituting the electrode plate groups housed in the cell chambers other than the cell chambers at both ends in the lamination direction is at least 0.50 m2 / g and less than 1.00 m2 / g, and the ratio of X / Y is more than 1.00 and at most 1.60.

The utility model discloses a parking starting battery pack structure, and belongs to the technical field of battery packs. Comprising a battery module, a circuit module, a box-type shell provided with a battery containing cavity and an upper cover capable of blocking a top opening of the battery containing cavity, the battery containing cavity comprises a battery chamber where the battery module can be embedded and a wiring chamber capable of storing the circuit module, and a front baffle capable of abutting against the side edge of the battery module is arranged on the box-type shell; reinforcing ribs are arranged on the side wall and the bottom of the battery chamber; pressing sheets capable of pressing the tops of the battery modules are arranged on the reinforcing ribs; a partition plate and an elastic insulating sheet are arranged between the side wall of the battery chamber and the battery module; heating pieces are arranged on the inner interlayer and the outer side of the battery module, and an external assembly which can be electrically connected with the battery module and the circuit module is arranged outside the upper cover; the parking starting battery pack structure can solve the problems that a battery pack structure in the prior art is poor in environmental adaptability and cannot effectively resist vibration impact.

The present invention provides an optimization design method for a large-capacity station-type energy storage power station, comprising the following steps: step S1, capacity matching calculation, defining a first input package, and outputting various installed capacities of the energy storage station; step S2, determining whether the battery over-matching ratio value after the capacity calculation output result of step S1 satisfies the requirement of being between a minimum set value and a maximum set value of the battery over-matching ratio; step S3, building matching calculation, defining a second input package, and outputting parameters related to the energy storage building; step S4, determining whether the battery room over-matching ratio value of the energy storage building layout output result of step S3 is greater than or equal to the minimum set value of the battery room over-matching ratio; the present invention can perform capacity matching calculation, building matching calculation, system matching calculation, and economic matching calculation respectively by setting input parameters, and obtain the optimal design scheme for a large-capacity station-type energy storage power station under the selected capacity.

The invention provides a robot battery mounting device, which comprises a base, a charging cabinet is fixedly mounted at the top of the base, placing chambers are uniformly distributed on the front surface of the charging cabinet, AGV robots are placed in the placing chambers, and a recovery unit is fixedly mounted on the base on one side of the AGV robots; the output end of the recycling unit extends into the containing chamber and is in butt joint with the placed AGV robot, a containing frame is fixedly installed on the portion, on the other side of the AGV robot, of the base, a carrying tray used for switching installation is placed in the containing frame, and an installation unit is fixedly installed on the front side of the top of the base. And the AGV robot is located on the front side of the base. The air channel of the AGV robot is communicated with the spring connector, the flow guide channel is matched to achieve the dual functions of impurity cleaning and suction and battery air-cooling heat dissipation, the battery installation chamber provides a protection and installation space for the battery module, the surrounding type flow guide channel enables air flow to evenly flow through the battery chamber, efficient air-cooling cooling is achieved, and high-temperature aging of the battery is avoided.

To provide a combine harvester capable of preventing breakage of a battery by suppressing movement of the battery during traveling of the combine harvester.SOLUTION: A storage chamber (31) for storing a battery (40) for supplying electric power to a starter of an engine (E) is formed below a floor (30) of a steering part (5), and a mounting member (51) for mounting the battery (40) is provided in the storage chamber (31). The front portion of the placement member (51) is fixed to the front 31A (side 31R) of the storage room (31), the right portion of the placement member (51) is fixed to the right 31R (side wall) of the storage room (31), the locking member (55) extending from the right wall (side wall) of the storage room (31) toward the battery (40) is provided, and the upper portion of the battery (40) is locked by the locking member (55).SELECTED DRAWING: Figure 8

1. Name of the product in this design: Fire extinguishing device for battery room of power supply facility. 2. Purpose of this design: This design is intended for use as a fire extinguishing device in the battery room of a power supply facility. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

An electric power tool includes a main body section with a battery compartment into which a battery is inserted from above and covered by a cover; an electric work section at a front of the main body section that operates using battery power; a front handle positioned above the main body section and ahead of the battery compartment, including a first part extending in a crossing direction intersecting front-rear and up-down directions; and a rear handle extending rearward from the main body section, wherein the battery stored in the battery compartment protrudes above a virtual plane that contacts upper regions of both the front handle's first part and the rear handle.

The invention provides an underwater lithium ion power battery toxic and harmful gas treatment system and method.The system comprises an inert gas filling system, an oxygen elimination and disinfection system and an inerting system control system, the inert gas filling system comprises a nitrogen cylinder and an inert gas filling pipeline, and the inert gas filling pipeline is communicated with the nitrogen cylinder and a storage battery chamber; nitrogen is conveyed to the storage battery chamber; the oxygen-eliminating and disinfecting system comprises an oxygen-eliminating and disinfecting pipeline, and two ends of the oxygen-eliminating and disinfecting pipeline are respectively communicated with the storage battery chamber to form closed circulation; the inerting system control system controls on-off and flow of an inert gas filling pipeline and controls starting and stopping of an oxygen elimination and disinfection program, the oxygen concentration can be controlled, harmful and toxic gas can be removed in time, and explosion accidents caused by gas leakage due to thermal runaway in a storage battery chamber are avoided.

The utility model discloses an air cooling energy storage outdoor cabinet, relates to the energy storage outdoor cabinet technology field, and comprises a cabinet body main frame, the cabinet body main frame comprises a combined partition plate segmentation member, the segmentation member comprises a top beam, a first partition plate and a second partition plate, a support assembly is fixedly connected on a pedestal of the cabinet body main frame, and the top beam is fixedly connected with the support assembly. The supporting assembly comprises two first supporting columns and two second supporting columns, and the two top beams are fixed to the top end of the supporting assembly. The cabinet body main frame is arranged, the cabinet body main frame comprises the top beam, the first partition plate and the second partition plate, the air conditioner chamber is formed between the top beam and the first partition plate, the battery chamber is formed between the first partition plate and the second partition plate, and the electrical chamber is directly formed between the second partition plate and the base, so that the space is fully utilized; and a plurality of adjustable battery brackets are mounted in the battery chamber, so that the batteries with different sizes can be fastened, the space is saved, and the density of the batteries is increased.

The present invention belongs to the technical field of solar controllers, and particularly relates to a solar outdoor controller, including: an upper cover body; a solar panel, which is arranged on the outer end face of the upper cover body; a lower cover body, which is connected to the upper cover body, and a control circuit and a storage battery are arranged between the upper cover body and the lower cover body; a dry battery chamber, a battery cavity is formed by the lower cover body concave into the upper cover body; a battery cover, a battery cover is buckled on the dry battery chamber, and a sealing piece is arranged on the battery cover; a quick-release connection component, a quick-release connection component is arranged at the connection between the upper cover body and the lower cover body; the setting of the battery slot is used to place dry batteries, which can provide electrical energy for electrical components when the electrical energy stored in the storage battery is insufficient; and the setting of the quick-release connection component can facilitate the assembly and maintenance of the overall controller and can ensure the sealing performance at the connection between the upper cover body and the lower cover body.

The application discloses a UPS battery room inert gas protection system and belongs to the field of UPS battery room safety protection. The protection system comprises a battery room, a gas detector arranged in the battery room, an air inlet pipe, an adjusting valve arranged between an inert gas pipe network and the air inlet pipe, a gas exchange assembly, an air inlet assembly and an air exhaust assembly, the air inlet assembly comprising an air inlet fan and an air inlet valve, the air exhaust assembly comprising an air exhaust fan and an air exhaust valve, and a control box in communication connection with the gas detector, the adjusting valve, the gas exchange assembly and the door of the battery room. The application aims to reduce the risk of fire and explosion of the UPS battery room.

Mobile fluid pump unit (1) comprising a bottom construction (10), a machine housing (50) on the bottom construction (10) that bounds a machine room (53), and inside the machine room (53) a fluid pump (101) and an electric motor (105) for driving the fluid pump (101), wherein the bottom construction (19) comprises a bottom container (11) with an internal battery chamber (17), an electric battery pack (106) with a battery pack top side (108) in the internal battery chamber (17), and a bottom shell (60) that covers the battery pack top side (108) and that bounds a bottom of the machine room (53), wherein the bottom shell (60) comprises a shell bottom wall (61) that extends above the battery pack top side (108), and that merges into a fluid collecting gutter (67), wherein the fluid collecting gutter (67) comprises a gutter bottom wall (65) that extends along the electric battery pack (106) and below the battery pack top side (108).

The hydrogen removal scrubber utilises a catalyst bed and is a specialised system designed to efficiently remove hydrogen from a gas stream. The catalyst bed may be a hydrogen scavenger or hydrogen pu

The utility model provides a mobile energy storage cabin based on a semitrailer platform, which belongs to the technical field of mobile energy storage and comprises a box body, a battery chamber is arranged in the middle of the box body, a high-voltage box is mounted at the bottom of the battery chamber, and a battery pack electrically connected with the high-voltage box is mounted above the high-voltage box. A PCS chamber is arranged at the head of the box body, an energy storage converter is arranged in the PCS chamber and electrically connected with the high-voltage box, and a confluence control and fire protection chamber is arranged between the PCS chamber and the battery chamber; a cable reel chamber is arranged on the lower side of the tail of the box body, a cable reel is arranged in the cable reel chamber, a cable on the cable reel is electrically connected with the energy storage converter, and a liquid cooling unit chamber is arranged above the cable reel chamber. The beneficial effects are that the energy storage unit is high in independence, the independent battery pack is sufficient in capacity, and bidirectional energy transmission is supported. A bidirectional reversible energy transmission channel is constructed, and the scene adaptability is excellent.

The invention belongs to the technical field of energy storage containers, and particularly relates to an alpine region energy storage container heat management device and method. The interior of the container is divided into an equipment chamber and a battery chamber; a group of electric power cabinets are mounted in the equipment room; a group of energy storage batteries are mounted in the equipment chamber; the heat management assembly comprises a heat preservation box, a main air pipe, a draught fan, a heat collection cover and branch air pipes. An air guide cavity is formed in the side wall of the heat preservation box. And a group of guide holes are uniformly distributed between the inner wall of the heat preservation box and the air guide cavity. A heat management assembly is established between an equipment chamber and a battery chamber, point-to-point waste heat collection and use between an electric power cabinet and an energy storage battery are achieved, the whole heat transfer process is carried out in a closed system formed by a heat collection cover, a main air pipe, branch air pipes and a heat preservation box, the heat collection efficiency and the utilization degree can be improved, and the energy consumption is reduced. And the heating uniformity of the energy storage battery is promoted, and the use requirement of the battery is met.

An apparatus for manufacturing a secondary battery includes an impregnation chamber including a first pressure chamber and a second pressure chamber, the first pressure chamber being configured to accommodate a first gas room of the secondary battery, the second pressure chamber being configured to accommodate a second gas room of the secondary battery, and the secondary battery including a cell room accommodating an electrode assembly with an electrolyte, and a pressure generator, the impregnation chamber being configured to have magnitudes of internal pressures of the first pressure chamber and the second pressure chamber changeable by the pressure generator, such that the electrolyte accommodated in the secondary battery flows between the first gas room and the second gas room and the electrode assembly accommodated in the cell room of the secondary battery is impregnated with the electrolyte.

The invention provides a technology capable of preventing the concentration of fuel gas at the position of an ignition source from increasing even if leakage of the fuel gas occurs in a fuel cell system, or a technology capable of easily realizing optimization of heat balance in the fuel cell system, or a technology capable of appropriately performing ventilation in the fuel cell system. An exemplary fuel cell system is provided with a case having: a fuel cell chamber in which a fuel cell module is disposed; and an electrical installation chamber which is separated from the fuel cell chamber and in which a plurality of electrical devices are arranged. The housing is provided with a fuel cell chamber ventilation path through which the fuel cell chamber is ventilated, and a plurality of electrical installation chamber ventilation paths through which the electrical installation chamber is ventilated. Furthermore, the housing has a ventilation path for internal ventilation, an inlet of the ventilation path is provided in a side surface of the housing, and an outlet of the ventilation path is provided in an upper surface of the housing.

To provide a long-life lead acid storage battery.SOLUTION: A lead acid storage battery includes: an electrode plate group 30 housed in a plurality of cell chambers 24; and an electrolytic solution. Each electrode plate group includes: a positive electrode intermediate electrode column 34P extending from a positive electrode strap 32P along a partition wall 23; and a negative electrode intermediate electrode column 34N extending from a negative electrode strap 32N along the partition wall. The positive electrode intermediate electrode column and the negative electrode intermediate electrode column are connected by an intercell connection part 35 penetrating the partition wall, a liquid surface of the electrolytic solution is disposed below a lower end of the intercell connection part. The positive electrode strap includes a fragile part 36 in which a groove 37 recessed from an upper surface is formed. When a direction in which the positive electrode plate 30P and the negative electrode plate 30N are arranged in each cell chamber is a first direction, a length of the positive electrode strap in the first direction excluding the positive electrode intermediate electrode column is W, a distance L1 between the fragile part and the positive electrode intermediate electrode column in the first direction is 0.15 W or more. The fragile part is disposed at a position closer to the positive electrode intermediate electrode column than an ear part of the positive electrode plate disposed at a position farthest from the positive electrode intermediate electrode column in the first direction.SELECTED DRAWING: Figure 4

The utility model relates to the technical field of energy storage, in particular to a modularized lithium ion battery energy storage cabin which comprises a cabin body, a battery chamber and an equipment chamber are arranged in the cabin body, a partition plate is arranged between the battery chamber and the equipment chamber, and the battery chamber comprises a plurality of battery racks distributed in the length direction of the cabin body. Two groups of battery clusters can be placed on each battery rack along the height direction of the cabin body, each group of battery clusters comprises a plurality of battery modules, and all the battery clusters are equally divided into two sets of battery stacks; a high-voltage box guide rail for mounting a high-voltage box is arranged below each battery rack, and a high-voltage box cover plate is arranged between the battery rack and the high-voltage box guide rail of the high-voltage box; the equipment chamber is located on one side of the cabin body in the length direction, the side, located on the cabin body in the length direction, of the equipment chamber is open, and the equipment chamber is divided into a liquid cooling chamber and an electrical chamber in the width direction of the cabin body. The modular design of one rack with two clusters and one cabin with two stacks is adopted, the spatial layout is reasonable, and the expansibility, compatibility and environmental applicability are high.