2713results about "Cell temperature control" patented technology

The invention provides a new energy automobile battery thermal management method and system based on big data. The method comprises the steps that real-time data flow and a historical temperature change curve in a battery pack are collected in real time through a distributed sensor array; inputting a pre-trained time sequence prediction model, outputting a predicted temperature change curve and calculating a real-time temperature rise slope; obtaining an environment comprehensive compensation amount according to the environment temperature and the battery health state, and subtracting the environment comprehensive compensation amount from the basic safety threshold value to obtain a dynamic safety threshold value; determining a dynamic temperature compensation amount through a preset slope grading mechanism, and subtracting the dynamic temperature compensation amount from the dynamic safety threshold to obtain an advanced intervention temperature point; and when the temperature of the battery pack reaches the advanced intervention temperature point, a graded cooling system is started, and cooling power grades are dynamically switched according to the growth interval where the real-time temperature rise slope is located. The battery temperature is accurately controlled, and the energy consumption is remarkably reduced.

The invention relates to the technical field of electric vehicle power battery thermal management, and discloses a temperature change-based power battery thermal management system, which comprises a thermal simulation pre-judgment end, a sensor network end, a dynamic liquid cooling control end, a BMS decision end and a fault diagnosis module, aiming at the technical defects of out-of-control temperature difference, response hysteresis and leakage risk caused by static flow channel design of the existing liquid cooling system, breakthrough is realized through a three-dimensional technical architecture: a CFD (Computational Fluid Dynamics) prejudgment layer: automatically calibrating sensor distribution points based on temperature field standard deviation, and improving temperature difference identification precision; according to the dynamic valve control layer, an electromagnetic three-way reversing valve is adopted to execute a directional temperature control strategy, an edge battery cell is preferentially introduced under the low-temperature working condition, and heat dissipation is enhanced under the high-temperature working condition; according to the redundant safety layer, the valve body and the pipeline are integrally formed, the leakage rate is reduced, and flow maintenance under single-point failure is achieved through a double-water-inlet parallel pump source. The method has the effects of improving the convergence speed of temperature difference between modules, reducing the attenuation rate of battery life and reducing the risk probability of thermal runaway.

An energy storage device and an energy storage system. The energy storage device comprises a first module (1) and a second module (2). The first module (1) comprises a first compartment body (11) and a first battery device (12), wherein the first compartment body (11) accommodates the first battery device (12). The second module (2) comprises a second compartment body (20) and a first heat exchange assembly (220), wherein the second compartment body (20) accommodates the first heat exchange assembly (220). The second module (2) is stacked on the upper side of the first module (1), and the second compartment body (20) is connected to the first compartment body (11). In the structure described above, since the energy storage device comprises the first module (1) and the second module (2), which are stacked, and the first module (1) and the second module (2) comprise the first compartment body (11) for accommodating the first battery device (12), and the second compartment body (20) for accommodating the first heat exchange assembly (220), respectively, during assembly of the energy storage device, it is only necessary to connect the first compartment body (11) in the assembled first module (1) to the second compartment body (20) in the assembled second module (2), without needing to install each functional component of the energy storage device at an installation site, thereby being conducive to improving the installation convenience of the energy storage device.

The invention discloses an active prediction type modular battery thermal management system, which comprises the following steps: a liquid path and electrical connection module, a data acquisition module, a communication transmission module, a working condition identification module, a feedback control module, a cooperative control module, an execution adjustment module, a state feedback module, an exception handling module, a redundancy switching module and the like. A prediction control instruction is generated by combining a working condition recognition result, a fusion control quantity is formed by the prediction control instruction and temperature feedback, amplitude limiting control is conducted according to thermal power evaluation and a set threshold value, coordinated adjustment of a pump, a valve and a bypass assembly is achieved, and if recognition fails or data is abnormal, the system automatically freezes prediction control and executes closed-loop adjustment only depending on feedback. And the standby device takes over the fault after fault judgment, so that continuous operation and safety maintenance of the system are guaranteed. The system has a modular structure and complete maintenance process support.

The invention discloses a land energy storage container self-adaptive liquid cooling heat dissipation device and method, the device comprises a liquid cooling unit, a self-adaptive circulation pipeline, a variable flow pump valve group, a distributed temperature sensing module and a BMS main control module, through data monitoring, model establishment, thermal load prediction, selection of a proper cooling mode, and introduction of reasonable compensation, the self-adaptive liquid cooling heat dissipation of the land energy storage container is realized. And the variable-frequency circulating pump and the valve body are adjusted and combined for execution. Through multi-parameter fusion control, dynamic impedance matching and intelligent algorithm optimization, a cooperative control mode of a variable orifice regulating valve and a variable frequency circulating pump is innovatively adopted, and dynamic matching of cooling loop impedance is achieved; through temperature field modeling, heat dissipation demand grading prediction, a cooling parameter self-optimization algorithm and fault self-diagnosis, the balance degree of the temperature field is effectively improved, heat dissipation energy consumption is reduced, environmental adaptability is enhanced, and meanwhile the method has the advantages of being high in reliability, wide in environmental adaptability and low in operation and maintenance cost.

The invention discloses a military battery operation adjusting system based on extreme environment identification and detection, and relates to the technical field of military power management, the system comprises an environment sensing module, an environment identification and decision module, a thermal management execution module and a battery management module; the environment sensing module is used for collecting environment data such as temperature, humidity, wind speed, dust concentration and solar radiation intensity in real time; the environment recognition and decision module adopts a BP neural network and fuzzy control logic to recognize and classify working condition states, and outputs a control strategy in combination with a PID adjustment algorithm; the heat management execution module realizes heating, heat dissipation and sand prevention operation according to the instruction; and the battery management module dynamically adjusts a charging and discharging strategy according to the identification state. Self-adaptive adjustment of battery temperature and energy management can be realized under extreme working conditions, the system stability is improved, the service life is prolonged, and the system is suitable for battery management in severe environments such as desert, high temperature, low temperature, strong wind and sand, high radiation and the like.

The invention relates to the technical field of lithium ion battery safety, and discloses a lithium ion battery thermal runaway multi-cascade emergency response prevention system. The system comprises a thermal signal monitoring module, a thermal diffusion prediction module, an emergency suppression module, a pressure balance module and a multi-mode linkage module. The thermal signal monitoring module obtains multi-dimensional temperature data, identifies abnormity and generates a thermal runaway early warning signal; the thermal diffusion prediction module combines the early warning signal and the battery module structure parameters to calculate the thermal propagation path and rate and generate a prediction result; the emergency suppression module matches a suppression medium according to a prediction result, and calculates a dose putting strategy to form a suppression scheme; the pressure balance module obtains pressure data, analyzes the change rate and distribution, adjusts a pressure release valve strategy in combination with a suppression scheme, and generates a pressure regulation and control instruction; and the multi-mode linkage module integrates data and a scheme, and generates a system-level emergency response instruction based on a pressure regulation and control instruction to realize thermal runaway multi-level joint prevention.

The invention relates to the technical field of thermal management of energy storage power stations, and discloses an immersion phase change and jet flow cooperative reinforcement thermal management system of an energy storage power station. An immersed phase-change cooling tank body of the system contains an energy storage battery pack and a low-boiling-point fluorinated liquid cooling liquid, so that the whole battery pack is immersed in the immersed phase-change cooling tank body; the condensation recovery device is connected with a steam outlet condensation vaporization medium; the liquid storage distribution unit comprises a main liquid storage tank and a special liquid storage tank, the main liquid storage tank is connected with the condensation recovery device, and the special liquid storage tank is connected with the bottom of the tank body through an electromagnetic drain valve; the multi-layer jet strengthening module comprises a top-layer annular jet pipeline, a bottom-layer annular jet pipeline and a middle-layer annular jet pipeline, the top-layer annular jet pipeline and the bottom-layer annular jet pipeline are connected with a main liquid storage tank and reflow through a circulating pump, and the middle-layer annular jet pipeline is connected with a special liquid storage tank driven by a high-pressure pump and provided with The temperature monitoring array acquires the real-time surface temperature of the battery pack in a distributed manner The dynamic control center is connected with all the modules. According to the system, efficient and uniform heat management of the energy storage battery pack is realized through cooperation of phase change and jet flow.

The invention relates to the technical field of energy storage module temperature control, in particular to an energy storage module multi-environment temperature automatic regulation and control unit and a regulation and control method thereof.The energy storage module multi-environment temperature automatic regulation and control unit comprises an external protection frame body installed on the outer side of an energy storage module, and an internal heat exchange flow channel used for adjusting the heating value of the energy storage module is arranged in the external protection frame body. According to the energy storage module multi-environment temperature automatic regulation and control unit and the regulation and control method thereof provided by the invention, by adopting the liftable cover body structure design, the heat exchange mode of the energy storage module can be changed according to the temperature change of the internal environment and the external environment, so that the regulation and control performance of the energy storage module at different environment temperatures is improved, and the applicability is improved; the flow direction of an internal heat exchange runner is changed through lifting adjustment of the upper lifting cover, so that heat loss is switched, and the energy consumption of the energy storage module is reduced; and by adopting an automatic regulation and control mode, the operation accuracy can be improved.

The invention discloses an energy storage power station battery heat flow digital twinborn simulation and cooling capacity adaptive control method, and relates to the technical field of battery heat flow data processing. The energy storage power station battery heat flow digital twinborn simulation and cooling capacity self-adaptive control method comprises the steps that S1, battery characteristic data and cooling characteristic data are collected and preprocessed, and a standardized heat state data set is constructed; s2, evaluating the overall heat flux density of the battery, and dynamically adjusting the rotating speed of a cooling pump and refrigerant flow distribution; s3, analyzing simulation precision, and correcting cooling boundary conditions in real time; s4, the cooling demand intensity is analyzed, and a graded adjusting instruction of the refrigerant flow and the pump speed is generated based on the demand analysis result; and S5, a cooling capacity distribution instruction is generated and verified, issuing execution is carried out, and preventive adjustment is carried out. The problems that most of current heat management systems lack heat flow multi-dimensional space perception and model coupling capacity, three-dimensional heat distribution cannot be mapped in real time, and fine regulation and control and early recognition of abnormal heat distribution are limited are solved.

In the field of refrigeration unit technologies, an energy storage cabinet is provided that includes a liquid cooling unit. The energy storage cabinet is configured to accommodate the liquid cooling unit and at least one of a battery pack or a power converter. The energy storage cabinet includes a cabinet body and a cabinet door, the cabinet door being configured to close the cabinet body. The cabinet body is configured to secure at least one of the battery pack or the power converter, and the liquid cooling unit is secured to a side of the cabinet door that faces the battery pack or the power converter.

A battery heating system includes: a temperature monitoring circuit configured to output a temperature monitoring signal; a voltage conversion circuit configured to receive a first voltage that is input by a power supply or a second voltage that is input by a to-be-heated battery; and a control circuit configured to receive the temperature monitoring signal and output a control signal. The voltage conversion circuit is configured to perform boosting processing or bucking processing on the first voltage based on the control signal or perform boosting processing or bucking processing on the second voltage based on the control signal to enable the to-be-heated battery to receive a charging current from the power supply in a first time segment using the voltage conversion circuit and the to-be-heated battery to output a discharging current to the power supply in a second time segment using the voltage conversion circuit.

Systems and methods are provided for testing and / or validating anti-propagation systems designed to mitigate a thermal runaway condition in lithium-ion batteries. A system comprises a first temperature sensor for detecting a temperature of a trigger battery cell within the battery module and a heater removably couplable to a substantially central portion of the trigger cell and configured to heat the trigger cell to a threshold temperature. The system further comprises a second temperature sensor for detecting a temperature of a test battery cell adjacent to the trigger cell within the battery module. The trigger cell undergoes a thermal runaway condition upon reaching the threshold temperature. The system may further comprise a controller for controlling the rate of heating of the trigger cell. The system ensures that the trigger cell will breach via the pressure release valve or cell vent after reaching the threshold temperature.

The application provides a new energy heavy truck battery pack, a thermal management unit and a method, belongs to the technical field of new energy batteries, and is used for solving the technical problem that the existing thermal management system can only perform thermal management on the whole battery and cannot perform balanced thermal management according to temperature differences of each module. Cooling outlet pipes of the module heat exchange plates are connected with battery cooling medium outlet pipes through active cooling medium distributors, the active cooling medium distributor comprises a shell, a communication mechanism and an active adjusting mechanism, each communication mechanism is arranged in parallel in the shell and communicates the battery cooling medium outlet pipe and the module cooling medium outlet pipes of each heat exchange plate; the active adjusting mechanism is movably arranged in the shell, the moving direction is consistent with the distribution direction of the communication mechanism, the active adjusting mechanism can be moved to the position of each communication mechanism and adjust the effective flow cross section of the corresponding communication mechanism. The technical effect of realizing temperature balanced regulation and control among modules, improving the charging and discharging performance of the battery pack and prolonging the overall service life is achieved.

The invention belongs to the technical field of storage and charging equipment, and particularly relates to a storage and charging all-in-one machine which comprises a shell cooling mechanism, the interior of a shell is divided into a battery bin and an inversion bin, a battery module is arranged in the battery bin and comprises a plurality of stacked battery cells, an alternating-current and direct-current inverter is arranged in the inversion bin, and the battery cells are connected with the alternating-current and direct-current inverter. And the AC / DC inverter is electrically connected with the battery module. According to the invention, a closed-loop liquid cooling circulation system is adopted, heat conduction liquid can rapidly take away heat when the battery cell works, performance degradation or potential safety hazards of the battery cell caused by too high temperature are avoided, the heat dissipation area is increased through the design of the circuitous and surrounding insulating heat conduction pipe, and the cooling efficiency is obviously higher than that of a traditional air cooling scheme in cooperation with constant temperature control of the industrial water cooler. The shell is divided into the battery bin and the inverter bin, the battery module and the alternating current and direct current inverter are arranged in a partitioned mode, mutual interference of heat generated when the battery and the inverter work can be properly avoided, maintenance of all parts is facilitated, and the operation stability of equipment is improved.

An automobile thermal management system comprises a refrigerant circulating system, a cabin cooling liquid circulating system and a passenger cabin cooling liquid circulating system which are connected with one another, a four-way reversing valve component is adopted in an agent side module or assembly, and a water path system is simplified while the agent side loop reversing function is achieved through a plate heat exchanger; compared with the prior art, the number of the water valves is greatly reduced, so that high quality risks such as inner leakage, heat leakage and high mode switching frequency caused by the quality of the water valves are reduced, and the quality risks are greatly reduced after the water valves are simplified.

The utility model relates to the technical field of power batteries, and discloses a heating and cooling system integrated structure and a battery thermal management system, the heating and cooling system integrated structure comprises a refrigeration base material, a first insulating film, a heating core body and a second insulating film, the first insulating film is attached to the refrigeration base material, the heating core body is attached to the first insulating film, and the second insulating film covers the heating core body. As only one layer of insulating film is arranged between the heating core body and the refrigeration base material, compared with the prior art, the heat transfer medium between the heating core body and the refrigeration base material is less, and the heat transfer efficiency is high.

A battery pack is provided and includes a battery pack housing defining a pair of side walls. and a plurality of modules positioned in the battery pack housing in a row along the side walls. Each of the modules includes a module housing that extends between the side walls. Each of modules contains a first plurality of cells that are all electrically connected to one another. and a second plurality of cells that are all electrically connected to one another, and which are electrically isolated from the first plurality of cells. Cell biasing members bias the cells toward the busbar for improved connectivity and tension rods prevent deformation of the modules from thermal expansion.

The utility model provides a battery pack and electric equipment. The battery pack comprises a box body, a battery cell assembly and a first heat exchange component, the box body has an accommodating space; the battery cell assembly is at least partially arranged in the accommodating space; the first heat exchange part covers the battery cell assembly and is used for exchanging heat with the battery cell assembly; wherein the box body is provided with a first positioning structure, the first heat exchange component is provided with a second positioning structure, and the first positioning structure is matched with the second positioning structure so as to be used for positioning in the process that the first heat exchange component covers the battery cell assembly. The battery pack provided by the embodiment of the utility model has the advantage that the mounting position precision of the first heat exchange component is high.

The utility model discloses a battery and relates to the technical field of energy storage equipment, the battery comprises a battery cell and a heating film attached to one side of the battery cell, one end of the heating film is provided with a bending lug, the bending lug is connected with a temperature protector, and the temperature protector is attached to one side, far away from the heating film, of the battery cell; the temperature protector controls the heating state of the heating film. The bending lugs are arranged, so that the structure is simpler and more compact, the improvement cost is reduced, the temperature protector can be tightly attached to the battery core on the premise of being far away from the heating film, the influence of the heating temperature of the heating film on the temperature protector is reduced, and the control precision and the reliability of the temperature protector are improved. In addition, when the heating film heats the battery cell to the set temperature, the temperature protector is disconnected, and the heating film stops heating, so that the risk of failure of the battery cell caused by too high temperature is prevented, the failure rate can be reduced, and the reliability of the battery is improved. Therefore, the battery designed by the utility model can simultaneously meet the improvement requirements of high reliability and low cost.

The invention discloses a hybrid power vehicle collaborative thermal management method and system based on energy flow intelligent perception. The method comprises the following steps: sensing and predicting multi-dimensional energy flow characteristics of an engine in real time through a pre-trained time sequence neural network model; the predicted value is used as a feedforward signal, real-time temperature feedback of the power battery is combined, and a thermal management cooperative control instruction is generated through feedforward-feedback cooperative decision logic; and finally, a heat exchange path between the engine cooling system and the battery heat management system and respective execution mechanisms are dynamically adjusted, so that prospective active cooperative temperature control is realized. The problems of passive response, control delay and low energy efficiency of an existing thermal management system are solved, and accurate and efficient two-way optimization management of the thermal states of the engine and the battery is achieved.

The invention belongs to the technical field of energy storage batteries, and discloses an energy storage battery immersed cooling experiment platform and a temperature feedback control method, and the method comprises the steps: after a stable circulation cooling loop is formed, a PLC (Programmable Logic Controller) controls the rotating speed of a gear pump to obtain a normal cooling flow Qn; the normal cooling flow Qn is kept to be executed, and a normal working circulation cooling loop is formed; the data collector collects the flow, the temperature of the center point of the battery, the temperature of the cooling medium in the immersion container and the pressure in the immersion container in real time and conducts cooling medium temperature feedback partition control based on a preset temperature feedback partition control algorithm according to the real-time temperature of the energy storage battery. The core defects that in the prior art, an existing air cooling / cold plate liquid cooling / direct cooling technology is poor in temperature uniformity, a flowing dead zone exists in an immersed technology, and temperature and heat dissipation integrated utilization is insufficient are effectively overcome.

The invention discloses a comprehensive energy intelligent dual-mode dynamic heat dissipation energy storage cabinet, and relates to the field of energy storage cabinets, the comprehensive energy intelligent dual-mode dynamic heat dissipation energy storage cabinet comprises a cabinet body, the cabinet body is divided into at least two independent heat dissipation areas in the vertical direction, a flow guide partition plate is arranged between layers, and a continuous airflow channel is formed; the dual-mode heat dissipation system comprises an air cooling system and a liquid cooling system. The battery pack group comprises a plurality of battery packs arranged in the heat dissipation area, and the battery packs are arranged in each layer in a staggered manner; the cold plate is arranged at the bottom of the battery pack, a runner is arranged in the cold plate, the cold plate is connected with the liquid cooling system, and a plurality of ventilation holes are formed in a non-runner area of the cold plate; the phase change layer is arranged in the shell of the battery pack; and the control unit is used for controlling the operation of the dual-mode heat dissipation system according to the temperature data. The wavy flow guide partition plates and the battery packs are arranged in a staggered manner, so that an optimized airflow path is formed, the heat dissipation effect is enhanced, and the space is saved.

The invention discloses a thermal management control method and device of a solid-state battery, a vehicle and a computer readable storage medium. The solid-state battery is internally provided with a phase change material; the method comprises the following steps: monitoring the state change of the phase change material in real time; predicting thermal load distribution of the solid-state battery by adopting a dynamic thermal load estimation algorithm based on the state change of the phase change material, and generating a prediction result; according to the dynamic thermal load estimation algorithm, thermal load distribution in the solid-state battery is calculated in real time by establishing a coupling relationship between a phase change material state change parameter and a heat conduction equation; and generating a self-adaptive control strategy based on the prediction result of the thermal load distribution so as to adjust the operation parameters of the thermal management system. By applying the technical scheme of the invention, the problems that the thermal management system cannot accurately sense the internal thermal state of the battery, response lags behind, the prediction capability is lacked and full life cycle optimization cannot be realized can be solved.

The invention belongs to the technical field of thermal management of immersed liquid-cooled batteries, and particularly relates to a battery module temperature equalization and flow resistance self-adaptive liquid cooling system based on temperature and flow velocity monitoring. Multi-point temperature information of a battery module is obtained through a temperature monitoring unit, and a temperature equalization index is calculated; the flow resistance change of the liquid cooling loop is judged by combining the flow speed monitoring unit with the running state of the circulating cooling pump, and the central control unit dynamically adjusts the rotating speed of the circulating cooling pump and / or controls the flow channel adjusting assembly to switch the cooling liquid flow channel based on the combination result of the temperature uniformity state and the flow resistance state. Therefore, the temperature consistency of the battery module and the self-adaptive control of the flow resistance of the liquid cooling system are realized under different operation conditions, the cooling of a key area can be enhanced when local hot spots exist, the flow path is optimized and the energy consumption is reduced when the flow resistance is increased or the load is relatively low, the thermal safety, the operation stability and the energy efficiency level of the battery system are improved, and the service life of the battery system is prolonged. The method is suitable for liquid cooling heat management scenes of high-energy-density batteries.

The utility model provides a heat management component and a battery pack, and relates to the technical field of batteries. The heat management component comprises a current collector, a heat management plate and a connecting adhesive layer; the current collector is provided with an inner cavity and an insertion hole communicated with the inner cavity; the heat management plate is provided with a flow channel, one end of the heat management plate is inserted into the insertion hole, and the flow channel communicates with the inner cavity; the connecting glue layer is arranged between the inner wall of the inserting hole and the heat management plate, and the outer wall of the heat management plate and the inner wall of the inserting hole are connected in a sealed mode through the connecting glue layer. The heat management plate and the current collector are glued, so that the assembling steps of the heat management component can be simplified, the time for connecting and fixing the heat management plate and the current collector can be shortened, and the assembling and forming efficiency of the heat management component can be improved.

A thermal management system includes: an electrical storage device configured to exchange heat with a first flow path; a drive device configured to exchange heat with a second flow path; a radiator provided on a third flow path; a chiller device provided on a fourth flow path; and a switching device. In the thermal management system, during heating control for the electrical storage device, the switching device are controlled so that a connection flow path connecting the first flow path and the fourth flow path is formed and that the connection flow path, the second flow path, and the third flow path are disconnected from and independent of each other.

The invention relates to the technical field of electric power engineering, in particular to a non-step-in liquid cooling phosphoric acid and all-vanadium liquid flow energy storage power station cooperative control system in butt joint with a 220KV transformer substation. Comprising a hybrid energy storage module, a non-stepping intelligent liquid cooling module, a multi-strategy cooperative control module and a substation deep cooperative interface module. The multi-strategy cooperative control module is used for constructing a multi-stage cooperative control architecture, generating control strategies adapted to different operation scenes by fusing multi-source data, and realizing multi-module cooperative operation optimization; lithium iron phosphate and all-vanadium liquid flow energy storage units are connected in parallel through a direct-current bus, and a short-time high-power response-long-time deep energy storage characteristic complementary system is constructed; through cooperative operation of the hybrid energy storage module, limitation of a single battery type on power or capacity is avoided; a'monitoring-evaluation-response 'totally-closed active safety chain is formed, and the temperature can be kept stable and potential safety hazards can be eliminated without manual intervention in the whole process.

The invention relates to the technical field of lithium ion battery thermal management, and discloses a lithium ion battery liquid cooling and heating management system and a multi-objective optimization design method thereof. The method comprises the steps that an electricity-heat-flow coupling simulation model is established and verified; determining design variables and sampling to obtain a performance index sample set; training an agent model to establish rapid mapping from variables to indexes; and carrying out multi-objective optimization based on the proxy model to obtain a Pareto solution set and deciding a final scheme. The system is an entity designed by adopting the method, and comprises a battery module, a bottom liquid cooling plate with a built-in liquid cooling pipe and an independent liquid cooling pipe surrounding the outer side of the module. By integrating simulation, an agent model and multi-objective optimization, the problem that multi-objectives such as temperature uniformity, energy consumption and structure compactness in liquid cooling system design are difficult to collaboratively optimize is solved, the crossing from experience trial and error to automatic global optimization is realized, the designed double-loop cooling system ensures heat dissipation safety, and the design efficiency is improved. The energy consumption and the material cost are obviously reduced.

A domain controller (203) and an energy storage system (200) are provided. The domain controller (203) is used for the energy storage system (200), the energy storage system (200) comprises an energy storage unit (201) and a non-energy storage unit (202), the non-energy storage unit (202) comprises a thermal management unit and a fire fighting unit, and the non-energy storage unit (202) is used for assisting the energy storage unit (201); the domain controller (200) integrates a management module (2011) of the energy storage unit (201) and a management module (2021) of the non-energy storage unit (202) and is used for managing the non-energy storage unit (202) according to state information of the energy storage unit (201), the management strategy of the energy storage system (200) can be reasonably adjusted, and efficient energy-saving management of the energy storage system (200) is achieved.