1268 results about "Coolant temperature" patented technology

The invention discloses an operation condition optimization method and system of a charging facility liquid cooling system, and relates to the technical field of data processing. The method comprises the following steps: acquiring charging load data of a plurality of heating devices in the liquid cooling system of the charging facility and environment temperature data of the environment; determining a target cooling liquid flow of the heating device based on a load voltage and a load current in the charging load data, and determining a target cooling liquid temperature of the heating device based on the environment temperature data; receiving the charging temperature of each heating device; and correspondingly adjusting the pump speed of a circulating pump in the liquid cooling system of the charging facility and the rotating speed of a radiator fan of each heating device by combining the target cooling liquid flow and the target cooling liquid temperature of each heating device, so as to cool each heating device until the charging temperature of each heating device is within a preset charging temperature range. By implementing the technical scheme provided by the invention, the effect of improving the liquid cooling efficiency of the liquid cooling system based on the charging facility is achieved.

A heat pump system of a vehicle includes a first cooling device including a battery module and a first line for circulating a coolant, an air conditioner unit including a compressor, an internal condenser, a main heat exchanger, a first expansion valve, and an evaporator that are interconnected through a refrigerant line for circulating a refrigerant, and a chiller connected to the first cooling device through the first line, connected to the refrigerant line through a first connection line, and configured to adjust a coolant temperature through heat-exchanging a selectively introduced coolant with the refrigerant. The air conditioner unit further includes a second expansion valve, a first valve, a second valve, a second connection line, a third connection line, and a fourth connection line.

The invention provides a pressurized water reactor scale-caused axial power offset risk coupling calculation method and device. The method comprises the following steps: performing corrosion scale thickness deposition simulation by using a first calculation module, and calculating to obtain cooling liquid temperature distribution in the axial direction of a fuel rod and corrosion scale deposition thickness distribution in the axial direction of the fuel rod; a second calculation module is used for carrying out enrichment simulation on boron elements in the corrosion scale deposits and calculating the boron concentration distribution condition in the corrosion scale deposits of each layer in the axial direction; and performing fuel rod axial power distribution simulation by using a third calculation module, and calculating to obtain a scale-caused axial power offset value according to the corrosion scale thickness distribution and the boron concentration distribution condition. The scale-caused axial power offset value is predicted by adopting a multi-module, multi-physical-field and multi-scale coupled calculation method, so that the technical problem of how to comprehensively consider the effects of multiple scales and multiple physical fields to predict and analyze corrosion scale deposition is solved.

The invention belongs to the technical field of liquid cooling system control, and discloses a rotating speed prediction and control method for a charging gun liquid cooling system, and the method comprises the steps: obtaining the performance parameters of key parts, including a radiator, a water pump, a fan, a gun line and a liquid storage tank, in the liquid cooling system; inputting the performance parameters into the one-dimensional simulation model to obtain the highest temperature Tcoolant of the cooling liquid under different working conditions; on the basis of the Tcoolants under different working conditions, the relationship between the different working conditions and the Tcoolants is fitted, so that a rotating speed prediction model is obtained; the environment temperature and the gun line resistor heating power under the target working condition are input into the rotating speed prediction model, under the constraint met by Tcoolant, multiple sets of rotating speed combinations meeting the constraint are obtained through prediction, and the rotating speed combination enabling the total energy consumption of the liquid cooling system to be the lowest is selected from the multiple sets of rotating speed combinations to serve as the optimal rotating speed combination of the target working condition; and during charging, the fan rotating speed and the water pump rotating speed are regulated and controlled in real time based on the optimal rotating speed combination. The system has the advantages of advanced adjustment, quick response, energy conservation, high efficiency and the like.

The invention relates to the technical field of adaptive control, in particular to an AI-based adaptive phase change liquid cooling fault control method and system, and the method comprises the following steps: obtaining the temperature, flow velocity and phase change state data of a cooling liquid, monitoring the phase change time from a liquid state to a gel state under different flow velocities and temperature conditions in real time, calculating the phase change delay time increment of adjacent periods, and calculating the phase change delay time increment of the adjacent periods. And obtaining a phase change delay time change trend analysis result. According to the method, the phase change time of the cooling liquid under different flow velocity and temperature conditions is monitored in real time, the heat exchange behavior of the cooling agent can be predicted more accurately, the descending trend of the cooling capacity has quantitative analysis capacity, and on the basis of construction of the heat absorption rate time sequence and change rate analysis, the abnormal fluctuation degree of the heat absorption rate is combined. And the pump speed, flow distribution and flow paths of the coolant are dynamically adjusted, the heat dissipation requirements under different working conditions can be met, and the cooling scheme can be adaptively optimized according to the running trend.

The invention relates to the technical field of electric workover rig thermal management, and discloses a workover pump truck electric drive thermal management method and system, and the system comprises a multi-source temperature collection module, an operation state monitoring module, a thermal management analysis module, a strategy matching engine module, a dynamic execution control module, a feedback optimization module, and a prediction decision module. The method comprises the following steps: acquiring environment temperature, motor temperature, battery temperature and cooling liquid temperature data; obtaining motor power, battery current and a vehicle operation mode; generating a thermal management demand level based on the temperature and the operating parameters; matching natural cooling, air cooling or liquid cooling strategies according to grades; cooling operation is executed, the temperature change rate is calculated in real time, and the cooling intensity is dynamically adjusted; when the threshold value is exceeded, liquid cooling cooperative control is started; predicting a thermal load trend through an LSTM model, generating a dynamic cooling plan, and optimizing an execution priority; and a thermal management efficiency evaluation report is output, so that the operation reliability and energy efficiency of the electrically-driven workover pump truck are improved.

The embodiment of the invention provides a heat management device and an energy storage cabinet. The heat management device is used for the energy storage cabinet and comprises a first loop unit, a second loop unit, a multi-way valve and a phase change heat storage unit. The first loop unit comprises a first heat exchange pipeline, and the first heat exchange pipeline is used for exchanging heat with an energy storage device of the energy storage cabinet; the second loop unit comprises a second heat exchange pipeline; the phase change heat storage unit comprises a first flow channel, a second flow channel and a phase change part, the first flow channel can selectively communicate with the first heat exchange pipeline through a multi-way valve, and the second flow channel directly communicates with the second heat exchange pipeline; the phase change part is in heat conduction contact with the first flow channel and the second flow channel. The heat management device is arranged, and the phase change part is in heat conduction contact with the flow channel, so that efficient heat exchange between the phase change material and the cooling liquid in the flow channel can be realized. When the temperature of the cooling liquid in the flow channel rises, the phase change material absorbs heat and generates phase change, and vice versa, so that the temperature fluctuation in the flow channel is balanced.

The invention discloses a battery coolant temperature estimation method, device and system, and the method comprises the steps: firstly determining an initial temperature value of a coolant based on the temperature of a battery cell, the environment temperature, and the interval time between the last power-off and the current power-on; determining a battery heating power variation and a battery cooling power variation from the current moment to a target moment based on the battery thermal management state at the current moment, the heat exchange parameters from the battery cell to the cooling liquid and the heat exchange parameters from the environment where the vehicle is located to the cooling liquid; according to the method, the predicted temperature value of the battery coolant at the target moment is determined, the future temperature state of the battery is estimated by distinguishing the working condition scene and the thermal management scene of the vehicle, and then the temperature of the battery coolant at the target moment is predicted by estimating the future temperature state of the battery. According to the invention, the temperature of the battery coolant at the target moment can be accurately estimated without participation of a battery coolant temperature sensor.

Disclosed in the present invention are a liquid cooling system for a charging pile and a control method and control device for a liquid cooling system. The system comprises: a water pump, a water outlet of which is connected to a water inlet of a liquid cooling power module of a charging pile; a water tank, a water outlet of which is connected to a water inlet of the water pump, a coolant being stored in the water tank; a heat exchanger, which has a coolant inlet connected to a water outlet of the liquid cooling power module and a coolant outlet connected to a water inlet of the water tank; an output-coolant temperature sensor, which is arranged at the water outlet of the water pump and is configured to acquire the temperature of the output coolant; and N liquid cooling loops connected in parallel, wherein the N liquid cooling loops share one heat exchanger and one condenser, and the N liquid cooling loops are sequentially connected on the basis of the temperature of the output coolant, so as to cool the coolant that flows into the heat exchanger, where N is a positive integer greater than or equal to 2. The liquid cooling system of the present invention is constituted by the plurality of liquid cooling loops connected in parallel, so that the refrigeration and heat dissipation effects are good, and the reliability of the system is relatively high.

The invention discloses an intelligent thermal management method and system for a power battery, and the method comprises the steps: obtaining current vehicle driving state data, and recognizing whether a vehicle enters a driving mode or not and whether a driving thermal management process is started or not; obtaining current driving working condition state data, and calculating vehicle demand power and battery allowable power based on the vehicle historical power and the current power data; obtaining current power battery temperature state data, judging a current driving thermal management requirement, and adaptively switching a management process corresponding to a thermal management strategy; and obtaining the current temperature of the cooling liquid at the inlet of the power battery, and judging whether to start thermal management or perform thermal cycle. According to the method, by judging the relation between the whole vehicle demand power and the battery allowable discharge power, under the condition that the whole vehicle power use and the battery safety are not affected, the heat management starting frequency is reduced to optimize the heat management energy consumption; heat management energy is fully utilized, the purpose of meeting the required power of the whole vehicle is achieved, unnecessary heat management can be effectively reduced, and heat management energy consumption is reduced.

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.

A cooling manifold for distributing liquid coolant to a plurality of liquid cooled information handling systems includes a temperature sensor, a pressure sensor, and a flow meter for detecting coolant temperature, pressure, and flow rate respectively. The cooling manifold may further be associated with a data acquisition device configured to convert signals representing temperature, pressure, and flow rate from the sensors to data signals and transmit the data signals to a data center building management system via a power distribution unit.

The utility model discloses an air conditioning system matched with a cryogenic liquid gasification process. The air conditioning system comprises a first gasifier, a liquid outlet pipe, an air supply pipe, a cooling liquid supply pipe, a cooling liquid return pipe, a heat exchanger, a fan, a controller, an environment temperature sensor, a circulating liquid inlet pipe, a circulating liquid outlet pipe, a cooling liquid supply source, a cooling liquid temperature sensor and a circulating pump. The air conditioning system can utilize cold energy generated by gasification of cryogenic liquid to refrigerate, is particularly suitable for cryogenic liquid tank trucks using the cryogenic liquid as power fuel, can replace a traditional vehicle-mounted air conditioner to refrigerate, can also realize a heating function, eliminates a high-power-consumption part, namely a compressor, necessary for conventional vapor compression refrigeration cycle, and is energy-saving and environment-friendly. Therefore, the energy consumption can be greatly reduced, and considerable energy-saving and emission-reducing benefits are brought; and only cooling liquid is used as a refrigerant medium for transferring cold energy, the functions of cooling, heating and cryogenic liquid gasification of the air conditioner can be achieved only through one medium, the structure is simple, and the cost is low.

Disclosed in the present application are a cooling control method and system for a vehicle-mounted power source system, and a vehicle and a storage medium. The method comprises: acquiring, in real time, an operation state of a vehicle-mounted power source system, the temperature of a cooling liquid at a water inlet, the temperature of an internal device, and a real-time input voltage, input current, output voltage and output current of the vehicle-mounted power source system in the current operation mode; calculating a theoretical cooling flow demand corresponding to the current operation mode of the vehicle-mounted power source system, and calculating a target cooling flow demand value of the vehicle-mounted power source system; and looking up a relationship table between the duty ratio and the flow of a water pump according to the target cooling flow demand value, so as to obtain a real-time target duty ratio of the water pump, and on the basis of the real-time target duty ratio of the water pump, controlling the operation of the water pump by means of a closed loop. By means of the present application, adaptive and active flow adjustment can be performed on a vehicle-mounted power source system.

The utility model discloses a multifunctional distribution transformer which comprises a bottom plate, the inner wall of the bottom plate is in sliding connection with a limiting shaft, the top end of the limiting shaft is fixedly connected with a fixing plate, the top face of the fixing plate is fixedly connected with a transformer body, and a liquid changing assembly is started to inject cooling liquid into a liquid storage tank. The transformer body operates to generate vibration, the limiting shaft is pushed by the fixing plate to slide downwards along the bottom plate to extrude the elastic damping mechanism, the vibration force is reduced through resilience force and friction force generated by the elastic damping mechanism, and the refrigeration assembly is started to reduce the temperature of cooling liquid. The water circulation mechanism is started to drive the cooling liquid to circularly and quickly cool and dissipate heat of the transformer body through the circulation pipe and the heat dissipation fins, so that the purpose of conveniently performing multifunctional vibration reduction and heat dissipation protection work on the distribution transformer is achieved, and vibration force and heat generated by operation of the transformer are avoided; the transformer is easy to damage due to overheating in a high-temperature environment, and the service life of a fixed part of the transformer is shortened.

The invention relates to a PID calibration control method and system based on engine hydraulic buffer control and an energy-saving strategy, and relates to the technical field of vehicle control. The method comprises the steps that the real-time cooling liquid temperature and the real-time air inlet temperature are obtained through a cooling liquid temperature sensor and an air inlet temperature sensor correspondingly; according to the preset corresponding relation between the cooling liquid temperature and the fan rotating speed and the corresponding relation between the engine air inlet temperature and the fan rotating speed, first / second target rotating speeds corresponding to the real-time cooling liquid temperature and the real-time air inlet temperature are determined; based on the first target rotating speed and the second target rotating speed, the fan control basic rotating speed is determined, and the real-time temperature of the engine is determined based on the real-time cooling liquid temperature and the real-time air inlet temperature; and based on the preset engine target temperature, the engine real-time temperature and the fan control basic rotating speed, a preset PID control algorithm is executed so as to adjust the actual rotating speed of the engine cooling fan. By means of the method, control over the engine cooling fan can be more intelligent and accurate.

The invention relates to the technical field of grease production, and discloses a temperature control device and method for grease production, and the device comprises a tank body which is internally provided with a stirring main body and at least four turbulent flow main bodies, and the turbulent flow main bodies are arranged at the outer side of the stirring main body; the liquid supply main body is used for providing cooling liquid for the stirring main body, two flow channels are formed in the stirring main body, and the two flow channels communicate with the liquid supply main body through the valve body; the temperature sensor is arranged in the tank body and is used for detecting the temperature uniformity of the grease in the tank body; and the control module is used for controlling the valve body to switch the flowing direction of the cooling liquid in the two flow channels when the grease temperature uniformity detected by the temperature sensor does not meet the set condition. According to the invention, grease can be fully stirred, the flowing direction of cooling liquid can be controlled according to the temperature uniformity of the grease in the tank body, and the temperature consistency of the grease in all positions in the tank body is improved, so that the control precision of the temperature of the cooling liquid is improved, the crystallization separation effect of solid fat is ensured, and the production quality of the grease is improved.

The invention provides a control method of a heat dissipation system of a vehicle, the heat dissipation system of the vehicle and the vehicle, and the heat dissipation system comprises a heat dissipation device which is used for carrying out circulating heat dissipation on a target part through cooling liquid; the plurality of cooling fans are used for cooling the radiator; the radiator is provided with a first temperature sensor, a second temperature sensor and a third temperature sensor, and the first temperature sensor is used for detecting the ambient temperature around the radiator; the second temperature sensor is used for detecting the temperature of the cooling liquid in the radiator after circulating heat dissipation; the third temperature sensor is used for detecting the target temperature of the cooling liquid in the radiator after circulating heat dissipation; and the controller is used for controlling the plurality of cooling fans to start working according to a preset sequence according to the environment temperature, the cooling liquid temperature and the target temperature.

The invention belongs to the field of vehicles, and discloses a thermal management control method and device for a vehicle. The method comprises the steps that current thermal management parameters of a target vehicle are obtained, and the current thermal management parameters comprise the current battery body temperature, the current battery water inlet temperature, the current engine cooling liquid temperature, the current environment temperature, the current charging mode and the current passenger compartment air conditioner on-off state; acquiring a current weight coefficient corresponding to the current thermal management parameter, and determining a current refrigeration mode of a power battery and a passenger compartment of the target vehicle according to the current thermal management parameter and the current weight coefficient; and according to the current refrigeration mode, a power battery and / or a passenger compartment of the target vehicle are / is refrigerated. By adopting the method, the corresponding refrigeration mode can be determined for refrigeration according to the current thermal management parameter of the target vehicle.

The invention provides an energy storage battery liquid cooling dual-mode heat management and battery storage space heat recovery temperature and humidity coordinated regulation and control system and method. The system is composed of a heat pipe cooling module, a steam compression refrigeration cycle module and a module for waste heat recovery and runner regeneration. The heat pipe cooling module and the circulating pump form a natural cooling loop through the liquid cooling plate and the heat pipe heat exchanger; the vapor compression refrigeration cycle module efficiently and rapidly reduces the temperature of cooling liquid through a phase change refrigeration working medium. And the waste heat recovery module uses condensation waste heat for rotary wheel dehumidification regeneration. The system automatically switches double modes according to the temperature of cooling liquid: heat pipe energy-saving cooling is started when the temperature is lower than or equal to 35 DEG C, steam compression refrigeration is switched when the temperature is higher than 35 DEG C, and condensation waste heat of the two modes preheats regenerated air through a heat pipe heat exchanger, then the temperature is supplemented to the regeneration temperature through an electric heater, a rotating wheel is driven to dehumidify, and dry air is fed into a battery cabin. The method gives consideration to energy efficiency and thermal safety, and is suitable for thermal management and space humidity regulation and control of an energy storage battery system.

The invention relates to a liquid cooling system and method and computer equipment. Comprising a temperature acquisition module, a pressure acquisition module, a control center and a liquid supply module, the control center is respectively connected with the temperature acquisition module, the pressure acquisition module and the liquid supply module; the temperature acquisition module is used for acquiring the temperature information of the monitored equipment and the cooling liquid temperature of the liquid supply module; the pressure acquisition module is used for acquiring air pressure information of the monitored equipment; the pressure acquisition module further comprises a feedback unit, and the feedback unit is used for feeding back the pressure acquisition working state of the pressure acquisition module; the control center is used for carrying out accuracy detection on the temperature acquisition module based on the air pressure information and the obtained standard environment parameters; and the control center is also used for controlling the liquid supply module to perform liquid cooling treatment on the monitored equipment based on the temperature information, the air pressure information, the accuracy detection result and the pressure acquisition working state. According to the invention, the safety and reliability of the liquid cooling system can be improved.

A thermal system includes a high temperature coolant loop thermally coupled to a heater core configured for thermal exchange with an airflow into a cabin of the vehicle, and an air conditioning (A / C) loop having a compressor, a condenser, a first expansion device for a heat exchanger, a second expansion device for a chiller, and a third expansion device for an evaporator. The high temperature coolant loop is thermally coupled to the condenser. A controller includes one or more processors and is programmed to perform a window fogging prevention operation by controlling a speed of the compressor such that (i) a coolant temperature at the heater core reaches a first predetermined target temperature, and (ii) a coolant temperature at the evaporator does not fall below a second predetermined target temperature.

The present invention relates to the technical field of heat dissipation of electronic equipment, and in particular to a liquid-cooled heat dissipation device and a liquid-cooled heat dissipation method. When the temperature of a heating device is too high, the phase change material inside a heat storage unit can absorb a certain amount of heat without significantly increasing the temperature, thereby slowing down the heating rate of the coolant, thereby having a good auxiliary effect on the cooling effect of the coolant, stabilizing the temperature of the coolant output by the liquid storage module, and ensuring the effective operation of the liquid-cooled heat dissipation device; at the same time, when the heat dissipation module fails and cannot work normally, and when it is detected that the temperature of the coolant output from the liquid storage module continues to rise, the present invention starts the corresponding mechanical device in the emergency heat storage module, so that a plurality of heat storage units absorb the heat in the liquid storage module in turn, thereby maintaining the stability of the temperature of the coolant output by the liquid storage module, achieving the effect of double heat dissipation protection, and ensuring good heat dissipation and normal operation of the heating device.

The invention belongs to the technical field of nuclear fuel assembly design, and particularly relates to a high-safety fuel assembly capable of measuring temperature and conducting strong flow guiding. Comprising a temperature-measurable instrument tube, a strong flow-guiding grillwork, a fuel rod, a guiding tube, a foreign-matter-catching-preventing lower tube seat, a low-pressure-drop upper tube seat and a connecting structure thereof. Through the arrangement of the structure and the connection of all the components, the high thermotechnical safety margin of the fuel assembly is realized. By arranging the temperature-measurable instrument tube, a temperature sensor can be placed in the temperature-measurable instrument tube, the temperature of a coolant entering the temperature-measurable instrument tube from the radially uniformly distributed drain holes can be continuously measured on line in real time, the actual thermotechnical safety margin of the fuel assembly can be known, operation can be fed back, operation strategy optimization can be guided, and transient state and low accident incidence of the fuel assembly are realized; by measuring and feeding back the coolant temperature of the hot spot part of the fuel assembly, the fuel assembly and the power plant can operate at safe and as high as possible parameters for a long time based on the mastered safety margin, and the economical efficiency of the nuclear power plant is improved.

The invention relates to the technical field of liquid cooling heat dissipation, in particular to an air-water cooling and heat storage integrated heat dissipation device and heat dissipation method.The air-water cooling and heat storage integrated heat dissipation device comprises a cooling module and an emergency module, and the emergency module comprises an energy storage unit and an emergency water pump; the cooling module is used for cooling the cooling liquid flowing through the load; when the cooling module breaks down, the input end and the output end of the cooling module are closed, the emergency water pump is opened, and cooling liquid flowing through the load is cooled through the emergency water pump and the energy storage unit; the emergency module is added in the heat dissipation device, the energy storage unit in the emergency module can absorb redundant cooling capacity when the temperature of the cooling liquid is low, after the cooling module breaks down, circulation of the cooling liquid can be maintained through the emergency water pump, and the cooling capacity stored in the energy storage unit can be used for continuously cooling the load; the risk of equipment failure caused by the heat dissipation problem is greatly reduced, the reliability and the stability of equipment operation are improved, and the economic loss and the service influence caused by equipment shutdown are reduced.

The invention provides a power battery temperature control method and device, a vehicle, electronic equipment and a medium, and the method comprises the steps: obtaining a charging target SOC and a battery temperature threshold value of a power battery, collecting a current battery SOC and a current battery temperature of the power battery, and a current cooling liquid temperature of a cooling liquid, the battery SOC and the battery temperature of the power battery are subjected to iterative calculation according to the collected data until the battery SOC obtained through iterative calculation reaches the charging target SOC so as to obtain the estimated battery temperature of the power battery at the end of charging, and if the estimated battery temperature is larger than a battery temperature threshold value, the cooling liquid is controlled to cool the power battery; according to the method, the battery temperature at the end of charging can be accurately pre-estimated, the overhigh battery temperature can be pre-judged in advance, the cooling liquid can be immediately triggered to cool the power battery once the overhigh battery temperature is pre-judged, the overhigh temperature of the power battery in the charging process can be effectively avoided, and the charging efficiency and safety of the power battery are ensured.

The invention discloses an anti-icing method for an engine air inlet system, the engine air inlet system and a vehicle, and belongs to the technical field of engines. According to the anti-icing method for the engine air inlet system, the engine air inlet system and the vehicle, when the engine is in low-temperature cold start, the water vapor content in the engine air inlet system is reduced by reducing the torque of the engine; and / or the speed of the vehicle is reduced, so that the situation that the temperature of cooling liquid in a water jacket of the engine rises too slowly due to the fact that the vehicle purges the engine windward is avoided; when the temperature of the cooling liquid in the water jacket of the engine is low, adverse factors causing icing of an air inlet system of the engine are weakened, and the icing risk is reduced; when the temperature of the engine is too low, the temperature of the cooling liquid in the water jacket of the engine is high, the EGR mixer and the air inlet mixer are heated through waste heat of the engine, the problem that water separated out of high-temperature waste gas is frozen is solved, the purpose of preventing freezing can be achieved, cost is low, and system robustness is high.

The invention relates to the technical field of energy storage, and provides a cooling circulation method and an energy storage system.The method comprises the steps that the temperature of cooling liquid is obtained; under the condition that the temperature of the cooling liquid is smaller than the threshold temperature of the cooling liquid, an external water pump is started to increase the flow speed of the cooling liquid to a preset flow speed range, and the external water pump is installed on a main circuit between the liquid cooling unit and the battery pack; and when the temperature of the cooling liquid is larger than or equal to the threshold temperature of the cooling liquid, the external water pump is closed. According to the method, under the condition that the temperature of the cooling liquid is lower than a threshold value, namely, the viscosity of the cooling liquid is too large, the flow speed of the cooling liquid becomes slow, and the cooling effect is poor, the flow speed of the cooling liquid is increased by opening an external water pump between the liquid cooling unit and the battery pack, the flow speed of the cooling liquid can be kept within the flow speed range needed by cooling, and the cooling effect is kept; the problem that in the prior art, the viscosity of immersion liquid is increased and the flow speed is decreased under the low-temperature working condition, and consequently the cooling effect is reduced is solved.