309results about "Cell temperature control" patented technology

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.

The present application belongs to the technical field of batteries. Provided are a battery heating method, a circuit, a battery system and an electrical apparatus. A battery comprises a first battery pack and a second battery pack connected in series, a positive electrode of the battery being connected to a first end of a switch circuit, and a negative electrode of the battery being connected to a second end of the switch circuit; the switch circuit is further connected to a first end of a first energy storage circuit, and a second end of the first energy storage circuit is connected to the midpoint of the first battery pack and the second battery pack. The battery heating method comprises: acquiring the temperature of the battery; and in response to the battery temperature being less than a preset temperature threshold, controlling, by means of the switch circuit, the battery to be in a first heating stage so as to heat the battery, the first heating stage comprising: by means of the switch circuit, repeatedly executing the steps of charging the first energy storage circuit by means of the first battery pack and charging the second battery pack by means of the first energy storage circuit for N1 times, where N1 is a positive integer greater than 1. The battery heating method of the present application can improve the self-heating efficiency for batteries.

Mobile container (1) for charging at least one battery (2), comprising an enclosure (3) that defines a cargo space (4) and has a closable charging opening (5), a battery charging station (10) arranged in the cargo space (4) which has a receptacle (11) for an energy converter (12) and a battery receptacle (13) into which a battery (2) can be inserted via the charging opening (5), wherein a power supply system (30) is arranged within the cargo space (4) which can be electrically connected to the energy converter (12), wherein a ventilation system (20) is provided to extract gases generated during the charging process of the battery (2) from the cargo space (4), wherein the ventilation system (20) has a monitoring unit (24) to check an airflow in the ventilation system (20), wherein the power supply system (30) is de-energized if the airflow falls below a limit value, wherein the Battery charging station (10) has a base element (16),on which the energy converter (12) can be positioned, wherein the base element (16) is arranged above the battery receptacle (13), wherein a collection device (6) is arranged below the battery receptacle (13) to collect any medium that may escape from the battery (2) and / or the energy converter (12), wherein the battery receptacle (13) has through-openings so that any medium that may escape from the battery (2) can enter the collection device (6), wherein the battery receptacle (13) has a support surface (14) for the battery (2) which makes it possible to move the battery (2) translationally in the battery receptacle (13), wherein the support surface (14) has movably mounted transport elements (15), wherein a plurality of battery charging positions (10) are provided within the charging space (4), wherein the transport elements (15) are rollers for moving the individual batteries (2) within the respective battery charging position (10).

The present invention relates to a method for heat dissipation from a high-voltage (HV) battery (11), in which a mini-channel cooling system is formed by a plurality of mini-channels (15), a coolant, a coolant pump pumping the coolant through the mini-channels, a heat exchanger, and a control unit, in which several energy storage cells (12) and several mini-channels are arranged in a housing of the HV battery, in which the mini-channels are partially connected to an outer surface of the energy storage cells (16), in which the coolant is formed by a mixture of a nano-liquid (13) and a phase-change fluid (14), and in which the coolant flow is controlled by the control unit such that an operating temperature range is maintained at the energy storage cells. Furthermore, a device with which the method can be carried out is presented.

Title: Thermal Regulation Device The invention relates to a thermal regulation device (1) for temperature-sensitive components, these components being in particular intended for energy storage and being able to be battery cells, particularly for vehicles, this thermal regulation device comprising: a housing (2) forming an enclosure configured to receive one or more components immersed in a dielectric fluid, the housing (2) being configured to be able to be placed on a base (300) which carries at least one dielectric fluid supply nozzle and one dielectric fluid discharge nozzle, and the housing (2) having a lower face facing the base (300), once placed on this base (300),a dielectric fluid circuit passing through the enclosure and having a fluid inlet (11) and a fluid outlet on the underside of the housing (2) so that they can be fluidly connected, when the housing (2) is placed on the base (300), respectively to the dielectric fluid supply and dielectric fluid outlet of the base (300). Figure for the abbreviation: Fig. 2,

The application discloses a metal ion battery active heat management system with built-in heat conduction sheets, comprising a temperature sensor, a heat conduction path, a heat exchange module and a main control module; the heat conduction sheets are arranged at the position close to the pole sheet of the cell monomer of the metal ion battery pack, the heat conduction sheets are provided with heat exchange ears, and the heat exchange ears of all the cell monomers after being overlapped are collectively heat exchange interfaces; the temperature sensor is arranged at the heat exchange interfaces; the heat conduction path is connected between the heat exchange interfaces and the heat exchange module, the metal ion battery pack exchanges heat with the heat exchange module through the heat exchange interfaces and the heat conduction path; the main control module receives the temperature monitored by the temperature sensor and controls the heat exchange module to heat or cool all the pole sheets in the metal ion battery pack through the heat conduction path. The application adds the heat conduction sheets as heat conduction media, actively monitors and controls the internal temperature of the battery, solves the technical problem that the temperature affects the metal ion battery, and improves the safety, service life and availability of the equipment.

A cooling system for a battery pack includes a plurality of thermal cooling channels, an inlet flow channel in fluid communication with each one of the plurality of thermal cooling channels, an exit flow channel in fluid communication with each one of the plurality of thermal cooling channels; and a varistor, in communication with a controller, positioned on one of the plurality of thermal cooling channels and adapted to generate a force change signal in response to pressure increase within a thermal cooling channel and to communicate the force change signal to the controller, the controller adapted to receive the force change signal, identify the occurrence of battery cell venting and a thermal propagation event based on the force change signal, and alter flow of coolant through the plurality of thermal cooling channels.

This application provides a thermal management system, an energy storage system, and a photovoltaic inverter system. The thermal management system includes a coolant system, a refrigerant system, a heat exchange component, and a load-bearing component. The coolant system includes a coolant flow channel plate and a plurality of coolant end components. The refrigerant system includes a refrigerant flow channel plate and a plurality of refrigerant end components. The heat exchange component is configured to perform heat exchange between the coolant system and the refrigerant system. The plurality of coolant end components and the refrigerant flow channel plate are mounted on a same side of the coolant flow channel plate. The load-bearing component is fastened to the coolant flow channel plate, and the load-bearing component includes a mounting through hole. The components of the thermal management system are integrated. This can reduce mounting and maintenance complexity. The coolant flow channel plate that is easy to manufacture and has low costs is used as a mounting base. A coolant circulation system and a plurality of components in the refrigerant system are mounted on the coolant flow channel plate, and the load-bearing component made of metal is independently disposed on the coolant flow channel plate. This can reduce a size of the refrigerant flow channel plate, thereby reducing manufacturing difficulty and costs of the refrigerant flow channel plate.

The application provides an electric vehicle thermal management system, method and electric vehicle. The electric vehicle thermal management system comprises a front-end cooling module of a vehicle external gas heat exchange assembly and a liquid heat dissipation assembly, a heating core and a liquid cooling device respectively arranged in an air conditioner of a passenger cabin of the electric vehicle, a first refrigerant circulation loop, a first cooling liquid heat exchange assembly and a second refrigerant circulation loop. The first refrigerant circulation loop comprises an electric compressor, the first cooling liquid heat exchange assembly, a first electronic expansion valve, the vehicle external gas heat exchange assembly and a second cooling liquid heat exchange assembly connected in sequence through a first refrigerant pipeline; the first cooling liquid heat exchange assembly is connected to the heating core through a first cooling liquid pipeline; the second refrigerant circulation loop comprises the electric compressor, the first cooling liquid heat exchange assembly, a second electronic expansion valve and the second cooling liquid heat exchange assembly connected in sequence through a second refrigerant pipeline; and the second cooling liquid heat exchange assembly is connected to the liquid cooling device through a second cooling liquid pipeline.

This application provides an integrated circulating cooling system for marine power supplies, comprising: a water filtration assembly, a heat exchange assembly, and a controller; multiple filtration units in the water filtration assembly are arranged in sections along a water delivery pipeline; a flow regulating valve is installed at the inlet end of the water delivery pipeline, and a check valve is installed at the outlet end; a water pump is connected to the flow regulating valve; the circulation loop in the heat exchange assembly is in close contact with the periphery of the marine power supply; one side of the plate heat exchanger is in contact with the bottom channel of the circulation loop, and the other side is in contact with the outer wall of the water delivery pipeline; two temperature sensors are respectively installed in the battery compartment environment and on the outer wall of the water delivery pipeline; the sensor signal acquisition terminal of the controller is electrically connected to the two temperature sensors, and the control signal output terminal is electrically connected to the water pump and the flow regulating valve. The system described in this application adopts a high-efficiency heat dissipation, corrosion resistance, and lightweight design, which can meet the high requirements of the marine industry for power system cooling.

The invention relates to a battery cooling method in which heat is extracted from battery cells (320) of a traction battery (300) housed in a battery housing (310), wherein compressed air is provided in a compressed air reservoir (400), the compressed air is introduced into the battery housing (310) through a compressed air line (410), the compressed air is passed over the battery cells (320) in the battery housing (310), and the compressed air is discharged from the battery housing (310). The invention further relates to a battery arrangement (200) comprising an arrangement of battery cells (320) of a traction battery (300) housed in a battery housing (310), wherein the battery housing (310) is connected to a compressed air reservoir (400) by means of a compressed air line (410) which can be shut off by a switching valve (420), and the battery housing (310) has an outlet opening (330), and a vehicle (100) with such a battery arrangement (200).

The battery case ventilation arrangement (1) includes a mounting body (2) that covers an opening in the case from above and a perimeter of the opening defined by a wall (P) of the case. A channel is provided in the body extending to a cover (3). The channel guides a gaseous exhaust (FG) from inside the case, and the cover can be ejected in the event of high overpressure. A protective grille or component (4), typically metallic and thus thermally resistant, provides fire protection by being positioned under the body (2) opposite the cover. The component (4) includes fasteners (5) that engage inside the case and seal the channel from below while being independently attached to the wall (P) of the case, in order to maintain protection even if the body connecting to the wall (P) at the periphery of the component melts. (See diagram: Figure 2)

Intelligent manufacturing systems for the optimized curing of adhesives for battery assemblies, methods for manufacturing / using such systems, and stored instructions for automating the operation of such systems are presented. One method for assembling a battery module involves aligning a stack of battery cells on a workpiece carrier and compressing the cell stack to a predefined length. Module housing side plates are positioned on opposite lateral sides of the compressed cell stack, and a thermosetting structural adhesive (SAM) is injected between the side plates and the lateral sides of the cell stack. A conductive heating system heats the module housing side plates to cure the SAM. While the side plates are heating, a cell thermal conditioning system cools a selected surface of the compressed cell stack.After determining that a monitored curing time has reached a predefined curing time, the system interrupts the heating of the side plates and the cooling of the battery cells.

Disclosed herein is a method and system for controlling temperature variations across a battery pack of a vehicle. The method comprises receiving cooling inlet parameters associated with a cell cooling plate and cell parameters of a plurality of cells of the battery. Further, the method comprises determining the temperature at the cell cooling plate interface by applying a Physical Informed Neural Network (PINN) model. Based on the determined temperature, the method calculates a maximum temperature deviation across each cell. Thereafter, the method comprises determining at least one of an optimal coolant inlet flow rate and an optimal coolant inlet temperature for the cell cooling plate interface when the maximum temperature deviation exceeds a temperature threshold value. Finally, the method comprises controlling the temperature variations across the battery pack based on the determined optimal coolant inlet flow rate and the optimal coolant inlet temperature.

This invention relates to the field of electric vehicle technology and discloses a battery thermal management method, system, device, and electronic device for dual-gun coordinated charging. The method includes: acquiring current data from a dual-gun charging station and temperature field data of the battery pack; reconstructing the spatial temperature distribution of the battery pack based on the current data and temperature field data, and extracting thermal state characteristic parameters; predicting the temperature field change trend of the battery pack over a future period based on the current data, thermal state characteristic parameters, and a preset battery thermal model; and dynamically generating a first control command for adjusting the current distribution ratio of the dual guns and a second control command for optimizing the working strategy of the battery cooling system based on the thermal state characteristic parameters and the temperature field change trend, so as to coordinate the management of the battery pack temperature field. This invention achieves deep coordination between dual-gun charging and battery cooling, improving charging efficiency and extending battery life while ensuring battery thermal safety.

The application relates to the battery technical field and provides a control device, a thermal management system and energy storage equipment. The thermal management system comprises a control device, a refrigerant unit and a heat exchange unit. Heat exchange fluid in a heat exchange flow path can exchange heat with refrigerant in a refrigerant flow path. The control device comprises a box body, a control module and a heat exchange structure. The box body forms a placing cavity and an assembly opening. The assembly opening is communicated with the placing cavity. The control module is arranged in the placing cavity. The heat exchange structure seals the assembly opening. The heat exchange structure comprises a fluid channel. The fluid channel is communicated with the heat exchange flow path. The heat exchange flow path is used for heat exchange with a battery monomer. Heat exchange fluid in the heat exchange flow path can flow through the fluid channel, so that the heat exchange fluid exchanges heat with the control module, and the control module is cooled or heated. The heat exchange structure seals the assembly opening. The heat exchange structure can occupy as little space as possible in the placing cavity.

Battery module comprising: a cell assembly comprising a plurality of battery cells; and a compression pad assembly located between the plurality of battery cells, wherein the compression pad assembly comprises a heat blocking unit in which at least one hollow section is formed, wherein the heat blocking unit comprises a body section formed from a metal material, wherein the body section is produced by extrusion, and wherein the at least one hollow section in the body section is formed by extrusion and extends long in an extrusion direction in the body section, and wherein the body section is located between the plurality of battery cells.

The invention belongs to the field of electrochemical energy storage systems, and particularly discloses a mixed heat management system of a container type energy storage system, which comprises an air inlet device, a centrifugal exhaust fan, a temperature and humidity sensing assembly and a control module, and is characterized in that the air inlet device and the centrifugal exhaust fan are arranged on a container body and are directly communicated to form a heat exchange channel; the temperature and humidity sensing assembly is arranged on the container and used for detecting the environment temperature, the environment humidity and the battery cell temperature. The control module is connected with the air inlet device, the centrifugal exhaust fan and the temperature and humidity sensing assembly, and when the environment temperature is larger than T3 and smaller than or equal to T2 and the environment humidity is smaller than preset humidity, the control module is used for controlling the air inlet device to be started to introduce low-temperature airflow for heat exchange and controlling the centrifugal exhaust fan to be started to exhaust heat exchange airflow. The operation efficiency of the energy storage system can be improved.

The application discloses a kind of energy storage battery temperature control method and system based on thermal coupling model, it is related to data analysis technical field, the method includes: the electrical data and temperature data of energy storage battery are filtered and handled;Determine ohmic heat and reversible heat based on the electrical data and temperature data to determine target heating power;Based on target heating power, construct heat diffusion model, set the boundary condition of convection heat transfer form, construct temperature control optimization model based on heat diffusion model and boundary condition;Temperature distribution analysis in future time domain is carried out based on temperature control optimization model;Objective function and constraint condition are constructed, power scheduling analysis is carried out based on temperature distribution information, objective function and constraint condition, and temperature control processing of energy storage battery is carried out based on power scheduling information.The application significantly reduces the auxiliary operation energy consumption of energy storage system, to realize the efficient, safe and intelligent operation of energy storage system.

The present application relates to a heat management system and a manufacturing method for the heat management system, the manufacturing method for the heat management system including a process of depressurizing air inside a first flow path and a second flow path of the heat management system from a supply device included in the heat management system in a state where the first flow path and the second flow path do not flow a coolant. The first flow path and the second flow path are configured to flow the coolant inside. The manufacturing method includes a process of injecting the coolant to which a higher pressure than atmospheric pressure is applied to the supply device to supply the coolant to both the first flow path and the second flow path that are depressurized by the supply device.

An energy storage device comprises an energy storage module with an energy storage cell; a heat exchanger element that exchanges heat with the energy storage module; a thermally conductive material that is in contact with both the energy storage module and the heat exchanger element; at least one temperature sensor for detecting the temperature of the energy storage cell; and a determination unit that performs a determination process to determine whether there is an anomaly in the thermally conductive material when the energy storage cell is not being charged and discharged, wherein if the determination process determines that a magnitude of a rate of change in a detected value of the at least one temperature sensor is less than a threshold value, the determination unit determines that an anomaly occurs in the thermally conductive material.

This utility model discloses an AC liquid cooling device for power batteries in new energy rail locomotives, relating to the field of power battery thermal management technology. It aims to solve the problem in existing technologies where thermal management systems directly draw power from the power source, leading to malfunctions that affect power battery performance and even the entire locomotive's operation. The technical solution involves integrating the device into a sheet metal frame, resulting in a compact structure with high integration. It adjusts the operating mode according to the battery's required temperature, improving energy efficiency and facilitating installation and maintenance. The housing contains a battery cooler and an electrical control box, and also includes a water circulation loop and a refrigerant circulation loop. Under the control of the electrical control box, the temperature of the locomotive's power battery is controlled through the water and refrigerant circulation loops. Utilizing a step-down module and a rectifier module in the main control box, it can share AC power with other AC equipment on the locomotive, making it convenient to use, install, and maintain, with a simple and effective control method.

A fluid collecting component includes an apparatus body, where the apparatus body is provided with a main inlet, a main outlet, a plurality of branch inlets, and a plurality of branch outlets, where the plurality of branch outlets are in communication with the main outlet; an extension flow channel is formed inside the apparatus body; one end of the extension flow channel is in communication with the main inlet, and the other end thereof extends toward a side away from the main inlet; one of the plurality of branch inlets are in communication with the main inlet, and the others are in communication with the extension flow channel; the number of the branch inlets is equal to the number of the branch outlets, and the branch inlets are in one-to-one correspondence to the branch outlets; and the branch inlets are adjacent to the corresponding branch outlets.

To provide a diagnostic method of a power storage system which allows appropriate diagnosis of all of a plurality of power storage facilities without simultaneously stopping operations in all of the plurality of power storage facilities.SOLUTION: According to an embodiment, a part of a plurality of power storage facilities is allocated to measurement target facilities and at least a part of the facilities other than the measurement target facilities is allocated to operation facilities in a diagnostic method of a power storage system. Then, each of the measurement target facilities is charged and discharged by transfer of power between the power storage system and other power storage facilities, and measurement data for each of the measurement target facilities is measured. Then, allocation of the measurement target facilities and the operation facilities, and measurement of the measurement data for each of the measurement target facilities are repeated by sequentially changing the power storage facilities to be allocated to the measurement target facilities until the measurement data is measured for all the plurality of power storage facilities.SELECTED DRAWING: Figure 2

The application discloses a new energy automobile battery liquid cooling and heat management system, relates to the technical field of new energy automobile battery heat management, and comprises a shell, which is internally provided with battery packs which are distributed at intervals; a plug connector is installed on the shell and electrically connected with the battery packs; a cooling plate is attached to the bottom of the battery packs, the inside of the cooling plate is provided with a flow channel for the flow of cooling liquid, and the flow channel is configured as a serpentine flow channel; a circulating driving module is used for driving the circulation of the cooling liquid and comprises a cooling liquid tank and a water pump; a plurality of temperature sensors are installed on the battery packs and used for monitoring the temperature of the battery packs; and a heat dissipation module is arranged on the loop of the cooling liquid and used for dissipating heat of the cooling liquid flowing therethrough; the application realizes efficient and uniform cooling and precise heat management of the battery packs by optimizing the flow channel structure of the cooling plate and an intelligent temperature control strategy, and the system reliability is improved.

Immersion cooling system, characterized in that the immersion cooling system comprises: an immersion control system and an electrochemical energy storage system; wherein the immersion control system comprises a pump control unit, a circulation pump and an immersion fluid storage unit, wherein the electrochemical energy storage system comprises a predetermined number of cluster immersion tanks, the cluster immersion tanks consisting of a corresponding number of honeycomb cells; wherein the electrochemical energy storage system acquires predicted temperature information for each cluster immersion tank and sends the predicted temperature information to the immersion cooling system, wherein the predicted temperature information of the cluster immersion tank comprises the predicted temperature information of all honeycomb cells in the cluster immersion tank; wherein the predicted temperature information is determined by cluster control units corresponding to each cluster immersion tank;wherein the pump control unit determines a corresponding target flow rate information based on the predicted temperature information and sends the target flow rate information to the circulation pump; wherein the circulation pump transports an immersion fluid in the immersion fluid storage unit, based on the target flow rate information, into each cluster immersion vessel of the electrochemical energy storage system to achieve the cooling treatment of batteries in each cluster immersion vessel.

The embodiment of the application provides a liquid cooling flow channel reconstruction method and system under a high-density battery cell array, and belongs to the technical field of battery thermal management. The method comprises the following steps: constructing a liquid cooling flow channel structure comprising a plurality of main cooling branches and at least two controllable branch channels; acquiring real-time temperature data of each battery cell module in a set period, and determining temperature variation based on the temperature data; determining a hot spot area of the battery cell module area based on the temperature variation and a preset thermal distribution judgment rule; controlling the electric control adjusting element according to the position of the hot spot area and the temperature variation, and adjusting the flow distribution of the cooling liquid in the controllable branch channel; and based on the flow distribution result, performing dynamic reconstruction of the liquid cooling flow channel structure. The scheme of the application realizes dynamic regulation and control of the cooling flow and adaptive reconstruction of the flow channel structure under the high-density battery cell array, thereby effectively improving the local thermal anomaly response capability and the overall thermal management efficiency.