505 results about "Coolant temperature" patented technology

The invention discloses a bimodal adaptive immersion phase change charging station thermal management system, and relates to the technical field of charging station thermal management, and the system comprises a circulation management module which carries out the circulation mapping and optimization operation of a phase change temperature result, and generates a circulation scheme; the immersion cooling module is used for intelligently regulating and controlling the nanometer phase change slurry to flow in an immersion cooling tank in a self-adaptive manner by utilizing a circulation scheme, and dynamically switching between a single-phase liquid cooling mode and a phase change boiling mode to generate heat absorption data; the heat exchange module is used for inputting the heat absorption data into a plate heat exchanger for heat exchange to generate cooling liquid temperature data, and carrying out heat dissipation and waste heat recovery operation of a dry cooler to generate backflow heat data; feature extraction and multi-dimensional nonlinear coupling analysis are carried out on the initial working condition data of the charging station, and iterative optimization is carried out in combination with a pre-training model, so that high-precision prediction of dynamic and multi-modal temperature changes is realized, and a reliable basis is provided for circulation management and cooling mode selection.

The invention discloses a linkage control system and method for cold energy storage and release in an energy storage low-temperature interval, belongs to the technical field of energy storage system temperature control, and aims to solve the problems that traditional energy storage cold energy regulation is lagged, cold energy waste is serious, and dynamic changes of working conditions are difficult to adapt. According to the system and method, cold release judgment is triggered based on the environment temperature and the temperature of an energy storage module, a cold release interval is defined by predicting the environment temperature and the temperature of the energy storage module in a fitting mode, a temperature prediction curve is dynamically corrected in combination with real-time working conditions, cold release subintervals are divided, and a cold release control instruction is generated; and meanwhile, the temperature of the energy storage module is monitored in real time to correct the cooling capacity release control instruction, and a cooling capacity recovery instruction is generated by monitoring the temperature of the cooling liquid. Accurate steady-state control over the temperature of the energy storage module and efficient circulation of the cooling capacity are achieved, and the operation economical efficiency and safety of the energy storage system are remarkably improved.

The invention provides a battery cluster charging and discharging control method and system based on an immersed heat dissipation system. The method comprises the following steps: acquiring multi-source input data; based on the power utilization plan data and the meteorological prediction data, determining the total charge and discharge limit of the energy storage cabinet; partitioning each battery cluster according to the cooling liquid temperature of the battery cluster, the real-time temperature of the battery cluster, the health state of the battery cluster, the charge state of the battery cluster and the spatial position information of the battery cluster to obtain a partitioning result; based on a preset multi-objective optimization algorithm and the total charge and discharge limit, selecting at least one target battery cluster partition from the partition result; at least one target battery cluster partition is controlled to execute charging and discharging, and in the charging and discharging process, a thermal management regulation strategy is adjusted according to the temperature of the monitored object, so that accurate cooperation of charging and discharging and heat dissipation of the battery clusters is realized, it is guaranteed that the battery is always in a suitable working temperature interval, attenuation of the health state of the battery is effectively slowed down, and the service life of the energy storage system is prolonged.

The invention discloses a regulation and control method and device for a vehicle cooling system, and the method comprises the steps: collecting a temperature signal and a flow speed signal of cooling liquid in real time, obtaining an engine rotating speed signal and a load signal, carrying out the fusion processing, and generating a real-time working condition parameter of the system. And on the basis of the real-time working condition parameters of the system, a pre-calibrated degassing flow control mapping table is inquired, target degassing flow is obtained through calculation, and an adjustment value of the opening degree of the degassing channel is determined accordingly. Generating a control instruction to drive an actuator to adjust the opening degree of the degassing channel according to the adjustment value of the opening degree of the degassing channel in combination with an environment temperature signal; and meanwhile, an adjusted cooling liquid temperature feedback signal is collected, and the actual heat state parameter of the system is calculated based on the difference value between the cooling liquid temperature feedback signal and the target temperature. Therefore, the system has the advantages of dynamically responding to the working condition change of the engine, optimizing the flow distribution of the cooling liquid and maintaining the pressure balance of the system, and can effectively improve the heat management efficiency and the system reliability.

A method for managing a charging process of a battery pack for an electric vehicle is provided herein. The method includes initiating a charging cycle for the battery pack, actively managing temperature of the battery pack during the charging cycle by flowing a temperature-controlled coolant through a thermal management system integrated with the battery pack, monitoring state-of-charge (SOC) and temperature of the battery pack, adjusting a charging current and a coolant temperature of the temperature-controlled coolant based on a coupled electro-thermal model to achieve a target SOC and a target temperature range for electric vehicle operation, and terminating the charging cycle based on the target SOC and the target temperature range being achieved within predefined constraints.

The invention provides a temperature cycle endurance test method, device and equipment and a storage medium, relates to the technical field of vehicles, and is used for accurately calculating the temperature cycle number of a motor controller. The method comprises the following steps: acquiring cooling liquid temperature-time data of motor controllers of a plurality of vehicles; based on the cooling liquid temperature-time data of the motor controller of each vehicle, determining temperature difference-cycle number data of the motor controller of each vehicle; based on the temperature difference-cycle number data of the motor controller of each vehicle, the equivalent temperature cycle number corresponding to each vehicle in the temperature cycle endurance test is determined; determining a target temperature cycle index in the temperature cycle endurance test based on the equivalent temperature cycle index corresponding to each of the plurality of vehicles; and performing a temperature cycle endurance test on the test vehicle based on the target temperature cycle number.

The invention discloses a cooperative heat dissipation control method and device for an operation machine and the operation machine, and belongs to the technical field of thermal management of the operation machine. The method comprises the steps that the cooling liquid temperature and the hydraulic oil temperature are obtained; when the cooling liquid temperature is higher than the first cooling liquid target temperature and the hydraulic oil temperature is higher than the hydraulic oil target temperature, a cooling liquid temperature difference value is calculated according to the cooling liquid temperature and the first cooling liquid temperature; calculating a hydraulic oil temperature difference value according to the hydraulic oil temperature and the hydraulic oil target temperature; whether the current cooling liquid temperature difference value and the current hydraulic oil temperature difference value are stable or not is judged according to the cooling liquid temperature difference value and the hydraulic oil temperature difference value; under the condition that the cooling liquid temperature difference value or the hydraulic oil temperature difference value is unstable, a target heat dissipation control strategy is determined according to the unstable condition of the cooling liquid temperature difference value and the hydraulic oil temperature difference value and the current heat dissipation control strategy; and controlling the heat dissipation system to work according to the target heat dissipation control strategy.

The invention discloses a cooling control method and device for immersed liquid cooling energy storage equipment and electronic equipment. The method comprises the following steps: acquiring battery pack temperature information and cooling liquid temperature information of the immersed liquid-cooled energy storage equipment, and determining a thermal load value of the immersed liquid-cooled energy storage equipment according to the battery pack temperature information and the cooling liquid temperature information; establishing a temperature prediction model according to the thermal load value, and determining a temperature change trend of a battery pack in the immersed liquid cooling energy storage equipment in a preset time period through the temperature prediction model; and adjusting cooling control parameters of the circulating cooling system by adopting a self-adaptive segmented control strategy according to the temperature change trend, and cooling the battery pack according to the cooling control parameters. The technical problems that the circulating cooling system of the immersed liquid cooling energy storage equipment in the related technology cannot effectively predict the temperature change trend of the battery pack and dynamically adjust the cooling control parameters, the system energy consumption is high, and it is difficult to ensure that the battery pack runs within the safe working range are solved.

The invention discloses a cooperative control method for the air-fuel ratio, the injection opportunity and the cooling liquid temperature of a hydrogen fuel engine. The cooperative control method comprises the steps that S1, operation condition parameters and combustion state parameters of the hydrogen fuel engine are monitored; s2, based on the operation condition parameters, adaptively determining a target air-fuel ratio, a fuel injection opportunity and a cooling liquid temperature through a preset control strategy; s3, the combustion state and the engine operation condition are evaluated in real time through a closed-loop feedback control system, and the following cooperative adjustment is executed: the hydrogen supply amount is adjusted to maintain the target air-fuel ratio; the hydrogen injection time is adjusted, and the combustion phase is optimized. According to the cooperative control method for the air-fuel ratio, the injection opportunity and the cooling liquid temperature in the hydrogen fuel engine, the target air-fuel ratio, the hydrogen fuel injection opportunity and the engine cooling liquid temperature are comprehensively adjusted under a closed-loop feedback control framework, optimal control over the combustion process under different working conditions is achieved, and therefore the braking heat efficiency of the engine is improved, and the service life of the engine is prolonged. And pollutant emission is reduced, knocking is restrained, and the application requirement for efficient cleaning of the engine is met.

The application discloses a liquid-cooled super-charging charging pile, which comprises a cooling pipeline arranged in a cable, wherein the cooling pipeline comprises an exchange pipeline and a circulating pipeline, and the exchange pipeline is spirally arranged at a main heating position in the cable. The application can switch the internal and external circulation paths of the cooling liquid in the cooling pipeline through a switching end, and the cooling liquid can circulate in the exchange pipeline and the circulating pipeline during the internal circulation, and continuously exchanges heat with the cable. When the temperature of the cooling liquid reaches a set value, the switching end is switched again, the cooling pipeline and the cooling liquid in the heat dissipation component are interacted, the cooling liquid at low temperature enters the cooling pipeline, and the cooling liquid at high temperature enters the heat dissipation component to be circulated and radiated, so that the problems that the traditional liquid-cooled super-charging charging pile directly starts the maximum cooling capacity and the maximum circulation speed during operation, and the excessive cooling capacity increases the power consumption of the liquid-cooled super-charging charging pile are solved.

The application discloses a kind of bimodal adaptive immersion phase change charging station heat management systems, it is related to charging station heat management technical field, including, circulation management module, phase change temperature result is cyclically mapped and optimized operation operation, generates circulation scheme;Immersion cooling module, utilize circulation scheme intelligent regulation and control nano phase change slurry in immersion cooling tank adaptive flow, and dynamically switch between single-phase liquid cooling mode and phase change boiling mode, generate heat absorption data;Heat exchange module, heat absorption data are input into plate heat exchanger and carry out heat exchange, generate cooling liquid temperature data, and carry out dry cooler heat dissipation and waste heat recovery operation, generate backflow heat data;Through to charging station preliminary working condition data feature extraction, multidimensional nonlinear coupling analysis, and combined with pre-training model is iteratively optimized, high-precision prediction to dynamic, multimodal temperature change is realized, provides reliable basis for circulation management and cooling mode selection.

The application discloses a kind of determination methods and program products of core reactivity state, the method includes: the key state parameter in the process of core reaction is collected, key state parameter includes at least one of core power distribution parameter, coolant temperature, coolant density, control rod position, boric acid concentration and burnup;Determine the burnup step of fuel, the evolution process of fissile nuclide and fission product in core is modeled based on the burnup step of fuel and burnup model, to obtain the reactivity parameter related to the burnup of fuel, the burnup model is used to describe the nuclide transmutation and consumption logic of fuel during the operation of core;Corresponding digital twin is constructed with the reactivity state of the core, the reactivity state of the core is mapped by the digital twin based on the reactivity parameter and the key state parameter driving, can realize high-precision, real-time, full life cycle dynamic digital mapping and intelligent detection of core reactivity state.

This invention discloses an intelligent heat dissipation device for photovoltaic power generation in industrial and commercial energy storage, relating to the field of new energy storage technology. It includes several battery packs arranged in a matrix, several spiral tubes attached to the back of the battery packs, a temperature sensing component installed above the spiral tubes for real-time sensing of the outer wall temperature of the battery packs, and a regulating pipe installed on one side of the temperature sensing component to adaptively adjust the temperature of the coolant inside the spiral tubes according to the outer wall temperature of the battery packs. A main pipeline unit for transporting coolant is installed on one side of the regulating pipe, and a low-temperature replenishment unit for replenishing the spiral tubes with low-temperature coolant is installed at the top of the regulating pipe. By diverting the coolant to the main pipeline unit and the low-temperature replenishment unit, and adjusting it as needed, the coolant is matched to the optimal temperature difference between each battery pack, achieving effective heat exchange while avoiding consumption in the low-temperature zone, and extending the coolant flow path in the high-temperature zone to increase the heat exchange effect.

The invention discloses a coolant temperature ultra-high limit fault optimization strategy, relates to a coolant control technology, and solves the technical problems of high fault misjudgment rate, high fault missed judgment risk and poor flexibility of a fault diagnosis strategy with a single temperature threshold. The strategy comprises the steps that engine operation parameters are collected, and the on-off state of a multi-state switch is determined according to the engine operation parameters; and setting a water temperature limit value according to the on-off state of the multi-state switch. The technical problem that a single threshold value adapts to multiple working conditions is solved, and the accuracy of judging the working conditions of the engine is improved.

The utility model discloses a heat guarantee device, electric energy equipment and a vehicle, and relates to the technical field of rail transit air conditioners, a liquid cooling branch of the heat guarantee device comprises a water return sub-branch, a water outlet sub-branch, a second heating branch and one or more first heating branches, and the second heating branch and the one or more first heating branches are arranged in parallel; each first heating branch is provided with a first heater; the second heating branch is provided with a second heater and a flow adjusting part; wherein the heating power of the first heater is Q1, and Q1 is a non-negative number; the heating power of the second heater is Q2, and Q2 is a non-negative number; the number of the first heating branches is N, and N is a natural number greater than 0; the heating power of the heat guarantee device can be adjusted in a stepless mode in the range of {kQ2 + NQ1k belongs to [0, 1]}, and k is the adjusting range of the flow adjusting piece. According to the heat guarantee device, stepless adjustment of the heating power is achieved, the problem that in the prior art, the temperature of cooling liquid is difficult to flexibly adjust through a single high-power electric heater is effectively solved, and therefore the stability and adaptability of temperature control are improved.

The invention relates to an aerospace motor electric control integrated water channel liquid cooling system which comprises a circular shell, an electric control cooling flow channel, a confluence channel and a motor internal flow channel. A cooling liquid flow channel is arranged in the circular shell, the electric control power module is fixedly installed in the shell, and a heat dissipation area of the electric control power module is directly attached to the inner wall of the electric control cooling flow channel. Cooling liquid enters the parallel shunting structure through the liquid inlet, the confluence channel is in seamless butt joint with an internal flow channel of the motor through a communication hole with a preset diameter, and a flow guide slope is machined at the inlet end of the communication hole to reduce fluid impact. The design of the quick-release flange connector and the sealing groove simplifies the assembly process, and the service life of the flow channel is prolonged through the anti-corrosion coating. The temperature sensor is arranged on the inner wall of the liquid outlet and monitors the temperature change of the cooling liquid in real time. According to the invention, the multi-interface defect of traditional hose connection is eliminated, the heat dissipation path and the space utilization rate are optimized, the leakage risk and the pressure loss are effectively reduced, and the requirements of aerospace equipment on light weight, high reliability and extreme environment adaptability are met.

The invention relates to the technical field of industrial detection, in particular to an electric vehicle thermal management method and system. The electric vehicle thermal management detection method comprises the following steps that battery current, battery temperature measured through a cooling system, cooling liquid flow, cooling liquid temperature and loop state signals are collected; calculating battery estimated heating power according to the battery current; the heat exchange power of the cooling system is calculated according to the cooling liquid flow and the cooling liquid temperature; according to the battery estimated heating power, the cooling system heat exchange power, the battery temperature measured through the cooling system and the loop state signal, whether an accidental thermal behavior exists or not is judged; and when the accidental thermal behavior exists, adjusting the detection mode of the thermal state of the battery. The method provided by the invention can improve the accuracy of thermal management detection of the electric vehicle.

The invention discloses an intelligent control method for a multi-fuel-tank fuel system of an agricultural tractor, and relates to the technical field of agricultural machinery fuel control, and the method comprises the following steps: under the control of a processor, taking an ignition switch state as a trigger: obtaining a first environment temperature during power-on, and outputting a fuel pipeline switching valve opening / closing signal in combination with the fuel quantity of a low-grade fuel tank; pre-selecting an oil path; after starting, the heating electromagnetic valve is opened and closed according to the temperature of cooling liquid, and the high-grade fuel tank is switched back based on the temperature of fuel oil, so that heating and closed-loop management of an oil path are realized; and when the power is off, taking a second environment temperature, forcibly switching to a low-grade oil way when the temperature is less than or equal to 4 DEG C, operating for a set time, and then flameout, so that the system retains low-grade fuel oil. By automatically switching fuel oil and heating control, reliable starting and economical operation of the tractor in a low-temperature environment can be ensured, low-grade fuel oil is reserved in a pipeline after flameout, and difficulty in restarting is avoided.

The invention discloses an intelligent partitioned cooling control system and method for an engine cylinder block, and the system comprises a partitioned cooling water channel system which is formed in the cylinder block, comprises at least two cooling loops which are physically isolated or semi-isolated from each other, and is used for independently cooling different thermal load regions on the cylinder block; the flow control device is connected with the partitioned cooling water channel system and used for independently adjusting the flow of the cooling liquid flowing into the at least two cooling loops; the temperature sensing device comprises temperature sensors arranged on at least two different thermal load areas and is used for detecting the temperature of the cooling liquid in the thermal load areas in real time; and the intelligent control unit is in communication connection with the temperature sensing device and the flow control device and used for outputting a flow control instruction to the flow control device based on the temperature of the cooling liquid and the working condition parameters of the engine, and independent closed-loop temperature control over at least different thermal load areas is achieved.

The utility model relates to the technical field of heat dissipation of electronic equipment, in particular to an immersed liquid cooling device and system, a circulation module in the immersed liquid cooling device is connected with a first opening and a second opening on an immersed box body to form a circulation channel of cooling liquid, and the temperature of the cooling liquid at the upper end of the immersed box body is higher after a load is heated, so that the cooling liquid can be cooled. The circulating module pumps out the upper cooling liquid with higher temperature from the first opening and then sends back to immerse the lower part of the box body from the second opening, so that the cooling liquid can continuously and circularly flow around the load, the long-time accumulation of the upper high-temperature cooling liquid is avoided, the uniform distribution of heat is promoted, and the temperature difference of the cooling liquid at the upper end and the lower end of the load is reduced; the condition that the temperatures of the cooling liquid at the upper end and the lower end of the load are inconsistent is effectively improved, the load is located in the cooling liquid environment with the relative uniform temperature, performance consistency of all parts of the load can be kept, the performance reduction or fault risk caused by temperature difference is reduced, and the load can better exert the extreme performance.

This invention relates to an intake air preheating control system for electronically controlled diesel engines used in special vehicles, comprising an engine controller (ECU), a liquid heater, a battery, a liquid heater switch, a relay, and a grille heater. The invention also relates to a control method, comprising the steps of: acquiring coolant temperature, intake air temperature, and atmospheric pressure; calculating a weighted temperature and preheating time; comparing the weighted temperature with a coolant temperature threshold at the end of boiler heating; checking the liquid heater switch closure signal; determining whether the liquid heater should exit the heating process; allowing intake air preheating; setting the preheating time; performing intake air preheating; and ending preheating. This invention effectively improves the cold-start performance of electronically controlled diesel engines in low-temperature environments below -35°C and saves battery power.

The application discloses a fuel cell system and a water state control method thereof, and relates to the technical field of fuel cells.The system comprises a fuel cell stack, a magnetic heat conversion device, a cooling liquid circulation subsystem and a water state control subsystem.The bipolar plate of the fuel cell stack is provided with a cooling liquid flow channel for the cooling liquid at a set temperature.The magnetic heat conversion device is arranged outside the cooling liquid flow channel.The cooling liquid circulation subsystem is communicated with the cooling liquid flow channel in the fuel cell stack through a pipeline.The water state control subsystem can monitor the temperature of the cooling liquid in and out of the fuel cell stack and the spatial distribution of different forms of water in the fuel cell stack, and can control the working state of the cooling liquid circulation subsystem and the working state of the magnetic heat conversion device according to the temperature and the water state distribution information.The fuel cell system and the water state control method thereof can realize low-temperature rapid cold start and uniform distribution of the water state between single cells and in the single cells in the normal operation process, avoid the occurrence of local water flooding or membrane dry failure, and further improve the output performance and service life of the fuel cell system.

The present application relates to the technical field of fuel cell, and provides a fuel cell system and a control method and a control device thereof. The control method comprises the following steps: after receiving a start request, determining a start mode of the fuel cell system, and sending a corresponding start command; when the start command is a cold start command, starting a cooling liquid pump and a cooling liquid heater in a cooling module, making the cooling liquid flow through a stack and a hydrogen circulation pump, and starting a hydrogen module and an air module to supply hydrogen and air to the stack; starting a load of the stack according to a preset load current, and adjusting the load current of the stack according to a minimum voltage of a single cell in the stack during the load process, so that the stack does not occur single low; when the cooling liquid temperature in the cooling module is greater than a first preset temperature threshold, the system cold start is completed, and a normal working process is entered. The present application can reduce the possibility of single low of the stack during the cold start process, and can improve the use quality of the fuel cell system.

A method for etching features in a stack below a patterned mask in an etch chamber is provided. The stack is cooled with a coolant with a coolant temperature below −20° C. An etch gas is flowed into the etch chamber. A plasma is generated from the etch gas. Features are selectively etched into the stack with respect to the patterned mask.

A coolant distributor valve for a vehicle cooling system includes a housing including a valve body portion and an electronics portion. A valve is disposed in the valve body portion. A printed circuit board (PCB) is disposed in the electronic portion. The temperature sensor is electrically connected to the PCB. The temperature sensor is configured to detect a coolant temperature within the valve body portion.

The application discloses a kind of even temperature liquid-cooled battery energy storage cabin, belong to battery energy storage cabin technical field, the application includes battery cabin body and the support seat at the bottom of battery cabin body, the side of the battery cabin body is provided with protective cabin door, and support seat is fixed with support bottom plate above, the support bottom plate is connected with partition frame, one end of the battery cabin body is fixed with refrigeration module, and water pump and primary refrigeration water tank are arranged in refrigeration module, and the upper end of water inlet pipe is installed with first drainage pipe, the shunt pipe of the side of first drainage pipe is connected with battery internal cooling pipeline water inlet.The even temperature liquid-cooled battery energy storage cabin, through the setting of cooling pipeline, the battery pack in the cabin body can be liquid-cooled cooling, while setting secondary cooling component in the latter half of cooling pipeline, using the secondary cooling of the latter half of cooling pipeline, prevent the temperature difference of cooling liquid and cause the temperature difference of battery in different regions too large.

The invention provides hydrogen fuel stack thermal management equipment and method for a movable hydrogen production device, and a hydrogen fuel stack of the movable hydrogen production device is provided with a cooling liquid outlet, a cooling liquid inlet and a stack temperature sensor. The heat management equipment comprises a waste heat unit, a cooling liquid circulation loop pipeline and a control unit; the cooling liquid circulation loop pipeline is connected to the cooling liquid inlet from the cooling liquid outlet and is filled with cooling liquid; the control unit is electrically connected with the electric pile temperature sensor; the waste heat unit comprises a waste heat exchanger, a cylinder body, a piston, a heat dissipation assembly and a semiconductor chilling plate. According to the heat management equipment and method, the waste heat unit is additionally arranged, and the functions of rapid cooling liquid temperature adjustment, efficient energy recovery, intelligent heat management control and the like can be achieved.

This utility model discloses a spring-loaded NTC temperature sensor for automotive coolant, relating to the field of sensor technology. It includes a brass housing, a connector plastic shell mounted on the top of the brass housing, a terminal mounted on the bottom of the connector plastic shell, a thermally conductive material injected into the inner wall of the bottom of the brass housing, an NTC thermistor connected inside the thermally conductive material, an encapsulation material covering the outer wall of the NTC thermistor, a connection between the top of the NTC thermistor and the bottom of the terminal, and a washer mounted on the top of the brass housing. In this utility model, the resistance leads, solder joints, and terminals are encapsulated to protect the strength of the resistance leads while meeting insulation, pressure resistance, moisture-proof, and waterproof requirements. The brass housing is very thin, and the bottom is filled with thermally conductive material, ensuring the sensor has a sensitive and fast response time, improving the safety and reliability of the coolant piping system.

The invention relates to a cold start method of a vehicle, electronic equipment and the vehicle, and is applied to the technical field of vehicle control. The cold starting method of the vehicle comprises the steps that in response to a starting instruction of a fuel cell, the first cooling liquid temperature of cooling liquid of the fuel cell at a water outlet is obtained; under the condition that the first cooling liquid temperature is within a preset cooling liquid temperature range, the internal electric pile temperature of the fuel cell is obtained, and the preset cooling liquid temperature range is a temperature range between a first water outlet temperature critical threshold value corresponding to a normal-temperature cold start mode and a second water outlet temperature critical threshold value corresponding to a low-temperature cold start mode; selecting a target cold start mode of the fuel cell from a normal-temperature cold start mode or a low-temperature cold start mode based on the internal stack temperature; and controlling the fuel cell to start according to the target cold start mode. Therefore, the adaptive cold start mode can be accurately determined, and the problem that the energy consumption of the whole vehicle is increased or the cold start fails is avoided.

The invention relates to the technical field of aluminum alloy liquid cooling plate machining, in particular to an aluminum alloy liquid cooling plate efficient precision stamping forming device and a working method thereof, and the aluminum alloy liquid cooling plate efficient precision stamping forming device comprises a base, a mold assembly, a temperature control system and an auxiliary supporting mechanism. The die assembly achieves high-precision forming through the micro air bag and the runner forming unit, the temperature control system adjusts the temperature of cooling liquid so as to optimize temperature field distribution, and the auxiliary supporting mechanism adapts to different thickness machining requirements. The working method comprises the steps of pressure and temperature real-time monitoring, runner forming, quality detection and the like. The plate can be effectively prevented from being deformed or warped, the runner is prevented from being collapsed or blocked, the forming precision and the cooling performance are improved, and the requirements for efficient heat dissipation and light weight of the power battery liquid cooling plate are met.