379 results about "Coolant pump" patented technology

The invention discloses a lithium ion battery immersed liquid cooling regulation and control method and device, terminal equipment and a storage medium, and relates to the field of lithium ion batteries, and the method comprises the steps: obtaining the current temperature data, historical temperature data and cooling liquid fluid parameters of a distributed array in a lithium ion battery, and determining the current temperature field distribution and predicted temperature field distribution; constructing a state space, and inputting the state space into the reference decision model, so that the model outputs corresponding actions according to the current state space by taking the minimum temperature difference of the battery module and the minimum cooling energy consumption as awards; according to the corresponding action, the micro electromagnetic valve and the cooling liquid pump are subjected to benchmark regulation and control; acquiring temperature data after reference regulation and control, and determining temperature deviation in combination with a preset temperature requirement; and regulating and controlling according to the temperature deviation. By implementing the method and the device, the stability of global temperature control is improved, so that the problem of temperature interference on other areas due to cooling liquid flow coupling caused by directly adjusting the opening degree of the valve according to local temperature difference in the prior art is solved.

A heat pump arrangement and a method of operating a heat pump arrangement. The heat pump arrangement has a refrigerant circuit and a coolant circuit, wherein the coolant circuit is configured for indirect battery heating. The refrigerant circuit includes a compressor, a heating condenser, a 3 / 2-way expansion valve, an external heat exchanger, at least one evaporator with an associated expansion element as well as a 3 / 2-way expansion valve arranged in parallel to the evaporator, and a battery chiller. The coolant circuit includes a coolant cooler and a battery heat exchanger with an associated coolant pump and at least one drive train cooler with an associated coolant pump arranged in parallel to the battery heat exchanger.

A cooling system, comprising: - a first cooling circuit (10), the first cooling circuit having a first coolant pump (12); - a second cooling circuit (20), the second cooling circuit having a second coolant pump (22); - an expansion tank (30), the expansion tank being provided with an expansion chamber (31) for accumulating coolant, wherein the expansion chamber is connected to the second cooling circuit (20) so as to allow the expansion chamber to receive coolant from the second cooling circuit; and - a degassing device (40), the degassing device being arranged in the first cooling circuit for separating bubbles from the coolant circulating therein. The degassing device (40) is located at a position lower than the expansion tank (30) and is connected to the expansion chamber (31) via a static pipeline (5) so as to allow the bubbles separated from the coolant in the degassing device to migrate upward in the static pipeline towards the expansion chamber.

A thermal management system for a vehicle, comprising a controller, a first coolant circuit with a first coolant pump, a second coolant circuit with a second coolant pump, and a multiway valve that completes each of the coolant circuits. The first coolant pump, the second coolant pump, and the multiway valve can be automatically actuated by the controller. The first coolant circuit and the second coolant circuit can be fluidically connected to one another by the multiway valve as a function of the actuation of the multiway valve. The first coolant pump, the second coolant pump, and the multiway valve are matched to one another such and can be operated such that a coolant circulates essentially in the first coolant circuit when the first coolant pump is switched on and when the second coolant pump is switched off.

The invention belongs to the technical field of metering boxes, and particularly relates to a multifunctional electric energy metering box which comprises a box body, a metering unit, a monitoring unit, a protection unit and an anti-theft unit. The mounting plate is arranged at the position close to the bottom of the box body, a fan is arranged at the bottom of the mounting plate, the mounting plate and the bottom of the box body form a sealed space, cooling liquid is stored at the bottom of the box body, and air suction pipes are evenly arranged on the two sides of the box body; the water pump is started to pump the cooling liquid into the water bag corresponding to the high-temperature area, the water bag begins to swell until the water bag swells to the maximum, the cooling liquid in the water bag is sprayed out through the nozzle, the nozzle sprays the mist cooling liquid to the cooling fins, water mist sprayed out of the nozzle is composed of a large number of tiny water drops, the surface area is larger compared with large water drops, and the cooling effect is better. According to the metering box, the contact area with air in the box body is wider, the evaporation speed is higher, heat of the surrounding environment can be absorbed in a short time, the heat dissipation capacity of individual electric appliances is improved in a targeted mode through a detection mode, and therefore the heat dissipation effect of the metering box is improved.

This invention belongs to the field of metering box technology, specifically a multifunctional electricity metering box, including a box body, a metering unit, a monitoring unit, a protection unit, and an anti-theft unit; a mounting plate, which is located near the bottom of the box body, with a fan at the bottom of the mounting plate, the mounting plate and the bottom of the box body forming a sealed space, the bottom of the box body storing coolant, and suction pipes evenly arranged on both sides of the box body; a water pump is started to pump coolant into the water bladder corresponding to the high-temperature area, the water bladder begins to inflate until it expands to its maximum, and the coolant inside the water bladder is sprayed out through nozzles, the nozzles spray a mist of coolant onto the heat sink, the water mist sprayed from the nozzles consists of a large number of tiny water droplets, which have a larger surface area than large water droplets, a wider contact area with the air inside the box, and a faster evaporation rate, can absorb heat from the surrounding environment in a short time, and improve the heat dissipation capacity of individual electrical appliances through detection, thereby improving the heat dissipation effect of the metering box.

The invention relates to a heat pump system W for an electrically operated vehicle, comprising a coolant side and a refrigerant side, wherein the coolant side has a first flow section (10) with a first heat exchanger (12), a second flow section (20) with a second heat exchanger (22), a bypass flow section (25) for bypassing the second heat exchanger (22) in terms of flow, a third flow section (30) with a third heat exchanger (32), a fourth flow section (40), a coolant pump system K and a valve system V, wherein, in a first operating state, a coolant flow flows through the first flow section (10) with the first heat exchanger (12), then through the bypass flow section (25) and / or through the second flow section (20) with the second heat exchanger (22), and then through the fourth flow section (40), and, in a second operating state, a coolant flow flows through the first flow section (10), then through the bypass flow section (25) and / or through the second flow section (20) and then through the third flow section (30) with the third heat exchanger (32).

The invention provides a combined heat dissipation device capable of switching an air cooling mode and a liquid cooling mode and a combined heat dissipation method, and relates to the technical field of chip heat dissipation, the combined heat dissipation device comprises a cold plate heat exchanger and a cooling liquid pump, the cold plate heat exchanger comprises a cold plate and a cooling liquid pump, and the cold plate is provided with a cooling liquid inlet and a cooling liquid outlet; the cooling liquid pump is connected with the cooling liquid outlet through a first liquid conveying pipeline, and an electronic valve is arranged on the first liquid conveying pipeline; the air-cooled heat exchanger comprises a fan blade frame, a fan blade group and a driving motor, the fan blade frame is arranged on the cold plate, the fan blade group and the driving motor are mounted on the fan blade frame, and the driving motor drives the fan blade group to rotate; the temperature controller comprises a controller, an intelligent prediction module and a plurality of temperature sensors, the temperature sensors are arranged on the cold plate at intervals, and the controller is electrically connected with the cooling liquid pump, the electronic valve, the driving motor and the temperature sensors. According to the combined heat dissipation device and method for switching the air cooling mode and the liquid cooling mode, the temperature adjustment range is larger, and the application range is wider.

A charging station for electric vehicles comprising a plurality of charge terminals located above ground and a plurality of charging pods located below ground, each connected to a charge terminal. Each charging pod includes an electric vehicle charger having a plurality of electronic charging components. A plurality of heat exchange plates are located over the electronic charging components. Each heat exchange plate includes a coolant inlet and a coolant outlet connected to ends of the heat exchange plate. A coolant input line connects to the coolant inlet; a coolant output line connects to the coolant outlet. A cooling system includes a coolant supply tank holding a coolant, and a coolant pump. A plurality of geothermal coils are fluidly connected between the coolant output line and the coolant pump. The plurality of geothermal coils are buried at a below ground depth of about 15 m to 20 m.

The invention relates to a heat pump system W for an electrically powered vehicle, comprising a coolant side and a refrigerant side in heat transfer connection therewith, wherein the coolant side has a first flow section (10) with a first heat source (12), a second flow section (20) with a second heat source (22), a third flow section (30) with a first heat exchanger (32), a fourth flow section (40), a fifth flow section (50) with a second heat exchanger (52), a coolant pump system K and a valve system V with at least two valves V1, V2, wherein the heat pump system is designed such that, in a first operating state, a coolant flow flows through the first heat source (12) and / or through the second heat source (22), then through the valve V1 and then through the first heat exchanger (32),and in a second operating state, on the one hand, a first coolant flow flows through the first heat source (12) and / or through the second heat source (22), then through the valve V1 and then through the fourth flow section (40).

The invention relates to a pump device, in particular a coolant pump device, with at least one housing unit (10), with at least one bearing pin (12) which is connected to the housing unit (10), with at least one rotor (14) which is configured to rotate around the bearing pin (12) during operation, and which is configured to radially convey a fluid (44), in particular coolant, from a low-pressure area (16) of the housing unit (10) to a high-pressure area (18) of the housing unit (10), with at least one pump return chamber (22) which is fluidically connected to the high-pressure area (18), and with at least one radial bearing (26) via which the rotor (14) is mounted on the bearing pin (12). At least one fluid channel (24) is proposed which fluidically connects the pump return chamber (22) with the low-pressure area (16) and which is formed at least sectionally by an annular gap (28) of the radial bearing (26).

A vehicle cooling system includes a heat exchanger, upper and lower coolant hoses extending between the heat exchanger and a vehicle power system for carrying liquid coolant to and from the vehicle power system, and an expansion tank fluidly coupled to the lower coolant hose. The vehicle cooling system further includes an active coolant monitoring system that includes a coolant leak sensor that detects leakage of the liquid coolant from the vehicle cooling system and a coolant contamination sensor that detects contamination of the of liquid coolant. The vehicle cooling system further includes an electronically controllable coolant flow shutoff valve in series with the lower coolant hose adjacent a lower coolant outlet of the heat exchanger. The electronically controllable coolant flow shutoff valve is closed when the coolant pump is off and open when the coolant pump is on.

The invention provides a bearing fault detection method and device for a reactor coolant pump and related equipment. The method comprises the steps that multiple pieces of equipment operation index data of a thrust bearing are acquired; performing dimensionless processing on the operation index data of each piece of equipment to obtain a corresponding dimensionless index matrix; performing fuzzification processing on each dimensionless index matrix to obtain the state probability of each piece of equipment operation index data in different equipment state levels; performing evidence fusion on the state probability of the operation index data of each device to obtain a target probability distribution function; and determining the bearing fault state of the reactor coolant pump according to the target probability distribution function. The bearing fault detection accuracy of the reactor coolant pump can be improved.

The invention discloses a vehicle cooling liquid leakage monitoring method and system, and belongs to the technical field of vehicle cooling. The method comprises the following steps: acquiring a coolant pump duty ratio sequence of the vehicle cooling system in a plurality of continuous preset time periods in real time; the duty ratio standard deviation of each preset time period is calculated according to the coolant pump duty ratio sequence; whether the duty ratio standard deviation in each preset time period is larger than a standard deviation threshold value or not is judged; and when the duty ratio standard deviation in the at least two preset time periods is larger than the standard deviation threshold value, whether the cooling liquid leaks or not is judged according to whether the at least two continuous preset time periods exist or not. According to the method, whether the cooling liquid leaks or not is determined based on the duty ratio and the time, the leakage of the cooling liquid of the cooling system can be accurately and continuously monitored in real time, missing detection and false detection are effectively prevented, and the problem that the leakage of the cooling liquid cannot be accurately and continuously monitored in real time through a traditional method is solved.

A submerged liquid-cooled modular battery system (100) comprising a battery enclosure (102) with a pair of open faces (104), a plurality of end plates (106), a plurality of sealing nuts (108), an aluminium casing (114), a pressure equalization valve (116), and a pair of handles (126). The battery enclosure (102) is front portion of the submerged liquid-cooled modular battery system (100), and comprises of a pair of open faces (104). The battery enclosure (102) is configured to enclose a plurality of battery modules. A coolant pump (146) is provided which is configured to provide a passage for dielectric coolant to circulate through the plurality of battery current collector plates (132), and intake dielectric coolant from bottom of at least one battery module, and pump the dielectric coolant inside a battery assembly (128).

The invention relates to the field of immersed liquid cooling systems, and discloses a performance evaluation device and method for an immersed liquid cooling system, and the performance evaluation device for the immersed liquid cooling system comprises a plate heat exchanger; the cooling liquid circulating unit comprises a liquid cooling case and a cooling liquid pump, the liquid cooling case, the cooling liquid pump and the plate heat exchanger are connected through pipelines, and the pipelines are provided with flow regulating valves, pressure gauges and temperature sensors; by means of the testing device and method, various influence factors such as the chip size, the power density, the cooling liquid flow speed and internal disturbance can be tested, the performance of the immersed liquid cooling system can be comprehensively evaluated, and a scientific basis is provided for system design and optimization. And comprehensive monitoring and intelligent diagnosis of the immersed liquid cooling system can be realized by combining a deep fault diagnosis and health monitoring system, potential problems in the system can be found in time, fault occurrence can be predicted, and maintenance suggestions can be provided.

An outboard motor includes a drive source, a motor controller, a coolant tube, a pump, and an air vent. The drive source includes an electric motor. The motor controller is higher than the electric motor and controls the electric motor. The coolant tube includes at least a portion of a coolant flow path through which the coolant that cools the electric motor and the motor controller circulates. The pump is connected to the coolant tube to pump the coolant. The air vent is located at an uppermost portion of the coolant flow path. The coolant pumped by the pump through the coolant flow path flows in an order of the motor controller, the air vent, and the electric motor.

The invention provides a charging pile cooling system and a control method thereof, and belongs to the technical field of charging piles.The charging pile cooling system comprises a cooling liquid pump, a cooling liquid pump inlet pipeline and a cooling liquid pump outlet pipeline, and the cooling liquid pump outlet pipeline is installed between the water outlet end of the cooling liquid pump and a charging gun; the cooling liquid pump inlet pipeline is installed between the charging gun and the water inlet end of the cooling liquid pump. The charging pile cooling system further comprises an air temperature sampling sensor, a gun temperature sampling sensor, a cooling liquid pump inlet sampling sensor, a cooling liquid pump outlet sampling sensor, a cooling fan, a charging control module and a power module. The operation states of the cooling liquid pump and the fan of the charging pile can be dynamically adjusted, quicker and more accurate temperature regulation and control are realized, and the working temperature of the high-charging-power liquid-cooling direct-current charging pile is effectively reduced.

The invention provides a test device and method for measuring the heat exchange performance of a thermosyphon evaporator, and belongs to the technical field of heat exchangers. The device comprises a refrigeration compressor, an oil-gas separator, a high-pressure condenser, a cooling tower, a circulating water tank, a circulating water pump, a liquid reservoir, a gas-liquid separator, a thermosyphon evaporator, a secondary refrigerant water tank, a secondary refrigerant pump and a mixing tank which are communicated with one another, and monitoring the measuring instrument for the test according to a specified time interval and recording data through the computer, and calculating the total heat transfer coefficient of the thermosyphon evaporator. By adjusting the height of the gas-liquid separator and utilizing the ratio of the mass flow measured at the liquid inlet of the thermosyphon evaporator to the gas mass flow of the gas-liquid two-phase flow measured at the gas outlet of the thermosyphon evaporator, the refrigerant circulation multiplying power under different liquid column static pressure heads is measured and calculated, and better test data support can be provided for the pipeline design of the thermosyphon evaporator.

An actively-cooled heat shield system includes a heat shield, a tank, a pump, a heat exchanger, and a turbine. The heat shield defines a windward side of a vehicle. The tank stores a coolant. The pump receives the coolant from the tank and outputs a pressurized coolant. The heat exchanger is integrally connected with the heat shield. The heat exchanger receives the pressurized coolant from the pump, transfers heat from the heat shield to the pressurized coolant to generate a heated fluid, and outputs the heated fluid. The turbine includes an inlet, a shaft, and an outlet. The inlet receives the heated fluid output from the heat exchanger. The shaft is coupled to the pump and includes turbine blades. The shaft rotates and powers the pump when the heated fluid received from the heat exchanger acts on the turbine blades. The outlet outputs the heated fluid.

A cooling system for an aircraft fuel cell system includes a coolant pump to circulate coolant through the cooling system and a radiator to reject heat to ambient air. A cooler zone is provided downstream of the radiator, comprising a plurality of parallel cooling branches. A warmer zone is provided downstream of the cooler zone, the warmer zone including a fuel cell stack. A bypass valve is arranged to provide coolant to the warmer zone from upstream of the radiator. A restrictor may be arranged to provide coolant to the warmer zone from downstream of the radiator.

A system for cooling electronic components in a cooling fluid immersion environment includes a container, a support, a conduit, and a pump. The container retains a first cooling fluid. The support suspends the electronic components in the container. The conduit transports the cooling gas into the container. The conduit includes an inlet section, a middle section, and an outlet section. The inlet section includes a conduit inlet positioned outside of the container. The outlet section includes outlets. The outlet section is submersed in the first cooling fluid within the container and beneath the electronic components such that the cooling gas exits the conduit and enters the first cooling fluid. The pump pressurizes and directs the cooling gas into and out of the conduit. The conduit is positioned downstream of the pump.

The present invention provides a vehicle air conditioning system and vehicle with a photothermal defrost function. The vehicle air conditioning system with a photothermal defrost function includes a first heat exchange system and a fin heat exchanger outside the vehicle compartment, a second heat exchange system, a third heat exchange system, a control module, and an infrared light source. The first heat exchange system includes a compressor, a condenser, a throttle valve, and a first evaporator, which are sequentially connected to form a closed loop. The second heat exchange system includes a first internal heat exchanger, a coolant pump, and a first heat exchange section, which are sequentially connected to form a first loop. The third heat exchange system includes a refrigerant pump, a second heat exchange section, a second evaporator, and a second internal heat exchanger, which are sequentially connected to form a second loop. The fin heat exchanger includes a first fin having a carbon nanotube deposited layer, and the infrared light source is used to irradiate and heat the first fin. The vehicle air conditioning system of the present invention improves the safety of the vehicle air conditioning system and also has a strong defrost capability.

The application discloses a high-temperature and high-pressure combustion chamber spectrum characteristic transmission device based on a special optical fiber probe head, which comprises an optical fiber probe head, a light guide optical fiber, a light emitting characteristic analysis device and a cooling liquid pump; the optical fiber probe head comprises high-transmittance optical glass, a metal cooling sleeve and an optical flange; the high-transmittance optical glass can transmit ultraviolet-visible light with a wavelength of 100-760 nm; the metal cooling sleeve comprises a cylindrical sleeve and a connecting cap; the cylindrical sleeve is coaxially arranged on the outer periphery of the high-transmittance optical glass and is sealingly arranged in a probe head mounting hole; the light guide optical fiber can collect the ultraviolet-visible light transmitted through the high-transmittance optical glass and is connected with the light emitting characteristic analysis device; and the cylindrical sleeve and the connecting cap are both provided with cooling channels connected with the cooling liquid pump. The application can analyze the chemical reaction light emitting characteristics in the high-temperature and high-pressure combustion chamber in real time, is especially suitable for monitoring the spontaneous radiation characteristics of OH*, CH* and C2* groups generated in the combustion process, and thus can determine the reaction region and the reaction heat release.

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.

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.

Aspects of the invention relate to a thermal management system for an electric vehicle comprising a battery unit (7) and an electric drive unit (5-1, 5-2), the thermal management system comprising: a coolant network (17, 19) for supplying coolant to the battery unit (7) and the electric drive unit (5-1, 5-2), the coolant network comprises a first heat exchanger (13) having a battery supply conduit (20) for supplying the coolant to the battery cells (7) and a battery bypass conduit (21) for bypassing the coolant around the battery cells (7), the coolant network further comprises a second heat exchanger (15) having a heat exchanger supply conduit for supplying coolant to the second heat exchanger (15) and a heat exchanger bypass conduit (27) for causing coolant to bypass the second heat exchanger (15); a coolant pump (55) for receiving coolant from the second heat exchanger (15) and / or the heat exchanger bypass conduit (27) and for supplying coolant through a coolant network (17, 19); control valve means for controlling the circulation of coolant through the coolant network (17, 19), the control valve means (33) comprising a proportional control valve (39) configured to control the proportion of coolant flowing through the heat exchanger supply conduit and / or the heat exchanger bypass conduit (27); a temperature sensor (ST1) for determining a temperature of the coolant upstream of the coolant pump (55) and downstream of the second heat exchanger (15), and for outputting a temperature sensor output signal (STO) indicative of the determined temperature; and a controller (150) for receiving the temperature sensor output signal (ST1) and for controlling the control valve arrangement in response to the determined temperature to ensure that the temperature of the coolant at the coolant pump (55) is maintained at a desired temperature level.

The optical amplifier comprises an amplification chamber, a first pump, a first heat exchanger, a second pump, and a novel catalyst module. The amplification chamber is configured to receive a laser beam and output an amplified laser beam. The first pump is configured to pump a gain medium into the gain medium system. The second pump is configured to pump a cooling fluid into the first heat exchanger. The first heat exchanger is positioned to transfer heat from the gain medium to the cooling fluid after the gain medium has passed through the amplification chamber. The novel catalyst module comprises a body and a catalyst disposed within the body. The body constitutes part of the gain medium system and is located downstream of the amplification chamber and upstream of the first heat exchanger. During use, the gain medium is adjacent to or in contact with the catalyst.

The invention discloses a method and system for improving energy conversion efficiency of a hydrogen fuel cell, and relates to the technical field of hydrogen fuel cells, and the system comprises a temperature sensor module which senses the temperature and distribution condition of the hydrogen fuel cell; and the stack heat modeling module is used for modeling temperature distribution caused by start and stop and power adjustment of a cooling liquid pump for injecting cooling liquid into the cooling pipeline, and the model can adapt to different working conditions of the battery. According to the invention, through accurate temperature regulation and control, the temperature of each part of the cell stack is uniformly maintained in an optimal working range, the generation of thermal stress is effectively reduced, the cooling pipelines are arranged in a #-shaped grid shape, and the flowing path and flow of the cooling liquid can be adjusted in real time through the multi-way valve, so that the device has more flexible working condition adaptability, and the working efficiency is improved. And therefore, the heat dissipation requirement can be met more efficiently, and the temperature of each part of the battery can enter the optimal working range more quickly.

A cooling system for an aircraft fuel cell system includes a coolant pump to circulate coolant through the cooling system and a radiator to reject heat to ambient air. A cooler zone is provided downstream of the radiator, comprising a plurality of parallel cooling branches. A warmer zone is provided downstream of the cooler zone, the warmer zone including a fuel cell stack. A bypass valve is arranged to provide coolant to the warmer zone from upstream of the radiator. A restrictor may be arranged to provide coolant to the warmer zone from downstream of the radiator.