5215 results about "Coolant" patented technology

The invention relates to the technical field of industrial control, in particular to an intelligent centerless grinding machine cooling system and method for difficult-to-machine materials, and the system comprises a multi-source sensing unit, an edge calculation module, a decision center module, a precise execution module and a digital immune memory bank; compared with the defects that in the prior art, monitoring depends on a single temperature sensor, thermal field sensing is incomplete, thermal damage early warning lags behind and the like, according to the scheme, grinding power frequency spectrum, acoustic emission signals, triaxial vibration and coolant mass spectrum data are collected in real time through a multi-source sensing unit, and a micron-sized temperature field is reconstructed in combination with an edge end space-time diagram convolutional network; full-dimensional monitoring of the grinding thermal-mechanical coupling effect is achieved, and thermal anomaly recognition sensitivity and early warning timeliness are remarkably improved.

A heat pump system for a vehicle may efficiently adjust the temperature of heating elements by using a chiller where a refrigerant and a coolant exchange heat. At the same time, the heat pump system may efficiently perform cooling and heating of a rear seat by using a rear heating, ventilation, and air conditioning (HVAC) module provided with a heat-exchanger.

The invention discloses an automatic machine tool cooling liquid supplementing device based on a liquid level sensor, which is applied to the technical field of automatic machine tool cooling liquid supplementing and comprises a liquid supplementing mechanism and a liquid level detection mechanism, the liquid level detection mechanism is arranged on one side of the liquid supplementing mechanism, and the liquid level detection mechanism is in pipeline connection with the liquid supplementing mechanism; the liquid supplementing mechanism comprises a machine body, a control cabinet and a four-way pipe, and the control cabinet is in signal connection with a liquid supplementing system; the liquid level detection mechanism comprises a circulating box, a fifth liquid supplementing pump, a liquid level sensor, a buffering assembly and a cleaning assembly, the buffering assembly and the cleaning assembly are both located in the fine filtrate area, and a concentration sensor is fixedly connected to the interior of the circulating box; the buffer assembly comprises two sets of limiting blocks and a plurality of fan wheels, the cleaning assembly comprises an air cylinder, a cleaning rod and a motor, the bottom of the cleaning rod is arranged to be in a semicircular shape matched with the radius of a floating ball of the liquid level sensor, and automatic and accurate control over cooling liquid can be achieved.

The invention relates to an electrical / electronic component (10) for a motor vehicle, comprising a housing (12) enclosing a receiving space (14), at least one electrical or electronic component (16) which is received in the receiving space (14), a heat conducting element (18) which is arranged on a surface of the component (16) to be cooled and is designed to conduct heat away from the component (16), and a coolant guide device (20) which is configured to guide a dielectric coolant (22) to the heat conducting element (18), whereby the heat conducting element (18) can be exposed to and surrounded by the coolant (22), whereby heat can be transferred from the heat conducting element (18) to the coolant (22).

Technologies for cooling conformal power delivery structures are disclosed. In one embodiment, an integrated circuit component has a die with a backside power plane mated to it. A lid of the integrated circuit component is mated with the backside power plane, forming a sealed cavity. The lid has an inlet and an outlet, and a channel is defined in the lid for liquid coolant to flow from the inlet, across the backside power plane, and to the outlet. The liquid coolant directly contacts the backside power plane, efficiently removing heat from the backside power plane.

The invention discloses a temperature monitoring and adjusting method based on a phase change microcapsule composite cooling liquid, and relates to the technical field of adjusting control, and the method comprises the steps: calculating the equivalent thermal resistance in the operation process in the continuous circulation operation process of the composite cooling liquid, calculating a comprehensive impedance index by using the equivalent thermal resistance in the operation process and the cooling liquid pressure drop in the operation process; based on the comprehensive impedance index and the hot spot area temperature, the cooling liquid circulation flow velocity and the liquid supply temperature are subjected to segmented adjustment operation, and cooling liquid drop after segmented adjustment, turbidity after segmented adjustment, a cooling liquid circulation flow velocity control value and a liquid supply temperature control value are obtained; according to the method, the comprehensive impedance index is calculated, so that the heat exchange performance change and the flow resistance change of the cooling liquid in the current operation state can be quantified in a unified manner, the common phenomena of adjustment overshoot and response hysteresis in a single temperature control strategy are avoided, and the problem that the heat exchange capacity change and the flow resistance change are difficult to cooperatively judge is solved.

An embodiment heat pump system of a vehicle includes a first cooling device including an electrical component and a first line for circulating a coolant, a second cooling device including a battery module and a second line for circulating the coolant, a HVAC module connected through a refrigerant line and internally provided with an opening / closing door that adjusts a selective flow of ambient air according to a cooling, heating, or heating and dehumidifying mode of a vehicle interior, a heat-exchanger connected to the internal condenser through the refrigerant line, a first expansion valve on the refrigerant line and connecting the heat-exchanger and the evaporator, a compressor connected between the evaporator and the internal condenser through the refrigerant line, an accumulator on the refrigerant line between the evaporator and the compressor, a chiller, a second expansion valve, a third expansion valve, and a second connection line.

The invention discloses a liquid cooling radiator cooling liquid leakage detection method and system, and relates to the technical field of equipment detection, and the method comprises the steps: obtaining the pressure reading of pressure measurement equipment; according to the pressure reading, the pressure change rate is calculated through differential operation; identifying a starting time point of a leakage event according to the pressure change rate; calculating an inherent response delay of the pressure measurement device; compensating the occurrence time sequence of the leakage event according to the inherent response delay to obtain a compensation time sequence; according to the starting time point and the compensation time sequence, the target leakage point position is determined, cooling liquid leakage detection is achieved, and accuracy is improved.

A method of cooling rotor winding end turns extending from a rotor core includes coupling a collar to a rotatable shaft of the rotor core. The collar has a first wall confronting the rotor core, a second wall spaced from and opposing the first wall, a third wall between the first and second walls defining a set of apertures therethrough, a first cavity cooperatively defined by the first, second and third walls, having a first opening opposing the third wall, a fourth wall circumscribing the third wall, a second cavity cooperatively defined by the second, third and fourth walls, the second cavity defining a second opening opposing the second wall. The first and second cavities are in fluid communication, and the rotor winding end turns are receivable into the second cavity. The method includes directing a coolant into the first cavity, and delivering the coolant to the second cavity.

The invention belongs to the technical field of electrochemical energy storage, and provides an immersed energy storage system and a thermal management method thereof, the immersed energy storage system comprises a sealed cabin, a battery module, an immersion liquid, a liquid cooling unit, a cooling liquid, a liquid cooling pipeline, a temperature sensor, an electrical device and a thermal management controller; the non-conductive immersion liquid with the conductivity smaller than 10 <-6 > S / m and the flash point larger than 200 DEG C is adopted to completely wrap the battery module, it is ensured that the energy storage battery cells are located in the same temperature physical environment, the temperature consistency of the system is greatly improved, the problem of uneven heat dissipation is fundamentally solved, the service life of the energy storage cabinet is directly prolonged, the immersion liquid has the flame-retardant characteristic, and the service life of the energy storage cabinet is prolonged. Thermal runaway of a battery cell can be effectively restrained, fire and explosion risks are reduced from the source, system operation safety is guaranteed, meanwhile, the type selection standard of cooling liquid is defined, the design of a sealed cabin is optimized, the heat exchange efficiency is improved through a double-circulation branch of a liquid cooling unit, the key bottleneck of an immersed cooling technology in energy storage system integration is thoroughly solved, and the energy storage system integration efficiency is improved. And full landing of technical advantages is realized.

A stator for an electric machine includes a stator core defining a slot extending in an axial direction from a first end to a second end, a wire disposed in the slot, a coolant pipe disposed in the slot and extending in the axial direction from the first end to the second end, the coolant pipe extending from a pipe inlet to a pipe outlet, and a thermally conductive potting material disposed in the slot between the coolant pipe, the wire, and the stator core.

The invention relates to the technical field of nuclear reactor safety, and particularly discloses a reactor waste heat export, recovery and comprehensive utilization system and method based on a heat pipe, and the system comprises a nuclear energy generation system, a secondary loop energy conversion system, a primary loop waste heat discharge system, a secondary loop waste heat discharge system, and a waste heat recovery and comprehensive utilization system. According to the waste heat recycling system, the heat pipe can be used for heat transfer and storage under the peak regulation operation condition, the nuclear heat use efficiency is remarkably improved, the requirements of various types of energy sources such as electricity and heat are met, and passive export of reactor core waste heat can be achieved through multi-natural-circulation coupling cooperative operation under the condition of a whole-field outage accident. By means of the efficient heat transfer characteristic and the modularization characteristic of the heat pipes, independent operation of the heat pipes can be achieved, the problem of single-point failure of the system can be avoided, meanwhile, separation of a reactor coolant and a cooling medium of a waste heat removal system can be achieved, the inherent safety of a nuclear reactor is remarkably improved, and the requirements of multi-purpose scenes are met; and the purpose of fully utilizing resources is achieved.

Heat sink and heat sink arrangements are provided for an electronic device immersed in a liquid coolant. A heat sink may comprise: a base for mounting on top of a heat-transmitting surface of the electronic device and transferring heat from the heat-transmitting surface; and a retaining wall extending from the base and defining a volume. A heat sink may have a wall arrangement to define a volume, in which the electronic device is mounted. A heat sink may be for an electronic device to be mounted on a surface in a container, in an orientation that is substantially perpendicular to a floor of the container. Heat is transferred from the electronic device to liquid coolant held in the heat sink volume. A cooling module comprising a heat sink is also provided. A nozzle arrangement may direct liquid coolant to a base of the heat sink.

The invention discloses a liquid-phase sweating cooling thermal protection structure based on atomization jet flow, and relates to the field of heat reduction and resistance reduction of active flow control of aerospace high-speed aircrafts, the liquid-phase sweating cooling thermal protection structure comprises a coolant cabin, and cooling spray holes are formed in the cabin wall of the coolant cabin; an atomization vibrating body is fixedly connected to the position, located at the cooling spray hole, of the cabin wall of the cooling agent cabin, the atomization vibrating body can make contact with a cooling agent in the cooling agent cabin, and a driver used for enabling the atomization vibrating body to vibrate is further included. The liquid-phase sweating cooling device works on the basis of the ultrasonic atomization principle, through the effect of the piezoelectric ceramic atomization piece, the liquid coolant generates atomization jet flow and enters a boundary layer outside the aircraft, use of a liquid pumping driving device is avoided, and the light weight degree of the liquid-phase sweating cooling device is improved.

Embodiments of the invention provide a high density liquid cooling system including a rack, primary loop piping including a primary inlet, a primary outlet, a primary loop filter, and a primary bypass valve, and secondary loop piping including a secondary inlet, a secondary outlet, a first pump, a first filter downstream of the first pump, and a secondary bypass valve. The system includes a heat exchanger having a first side and a second side. When the primary bypass valve is open, at least a portion of the fluid in the primary loop piping flows through the primary inlet and the primary outlet without traversing the heat exchanger, and when the secondary bypass valve is open, at least a portion of the fluid in the secondary loop piping flows through the secondary inlet and the secondary outlet without traversing the heat exchanger.

The invention relates to a methanol internal combustion engine high-temperature fuel cell hybrid power system based on double-path waste heat gradient utilization. The invention relates to the technical field of internal combustion engine waste heat recovery and new energy power system integration. The system comprises a fuel tank, a first pump body, a heat exchanger, a methanol internal combustion engine, a turbine, a gas compressor, an air compressor, a reformer, a high-temperature proton exchange membrane fuel cell, an evaporator and a second pump body. A methanol-water vapor mixture generated by heat exchange of a mixed solution of methanol and water and a high-temperature fuel cell stack coolant in a heat exchanger is introduced into a reforming reactor and is subjected to catalytic reforming to produce hydrogen by utilizing waste heat of high-temperature tail gas of an engine, and the produced hydrogen is directly supplied to an anode of a high-temperature fuel cell. Through a double-path methanol distribution strategy, collaborative design of internal combustion engine waste heat recovery, electric pile heat management and reforming hydrogen production is realized, and the comprehensive energy efficiency of the system is improved.

To disclose a fuel cell hybrid electric vehicle thermal management control method, relating to a technical field of fuel cell hybrid electric vehicle thermal management.SOLUTION: A thermal management control method for a fuel cell hybrid electric vehicle optimizes a flow of coolant liquid using an MPC in a multi-input multi-output complex nonlinear system of the fuel cell hybrid electric vehicle to ensure that respective parts are in a normal working temperature range. Then, the method takes inlet and outlet temperatures of the respective parts as state variables and a flow of coolant liquid of a pump of each component as control quantity to cooperatively control the temperatures of the respective parts using an MPC controller and considers relevance of heat management systems of respective circuits to improve the overall performance of the fuel cell hybrid electric vehicle.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of milling, and particularly relates to a high-precision numerical control milling device which comprises a main body framework, a main shaft and a chuck, and further comprises a mounting shell fixedly mounted on the main body framework, the liquid spray head is mounted on the mounting shell; the injection detection assembly is mounted on the mounting shell and comprises a circular plate mounted on the mounting shell; the gas nozzle is mounted on the circular plate, a detection structure is arranged on the gas nozzle, and the detection structure comprises a pressure sensor; according to the invention, the tasks of detection and energy conservation are completed by using gas, and the cooling liquid is focused on the work of cooling and lubrication, so that the two defects of low cooling efficiency and resource waste in the prior art are overcome, and the multiple beneficial effects of prolonging the service life of the cutter and reducing the comprehensive cost are finally realized.

A vehicle thermal management system includes a refrigerant system configured to cause, while refrigerant circulates along a refrigerant line, the refrigerant to sequentially pass through an external condenser and a first expansion valve, a component thermal management system including a battery or a power electric (PE) component connected by a coolant line and configured to perform, using the refrigerant distributed from the refrigerant system and coolant circulating along the coolant line, thermal management on the battery or the power electric (PE) component, and a heat-exchanger including a heat-exchange portion connected to the coolant line and provided to allow the coolant circulating through the component thermal management system to pass through the heat-exchange portion, wherein the heat-exchanger is provided on the refrigerant line between the external condenser and the first expansion valve and performs heat-exchange between the coolant passing through the heat-exchange portion and the refrigerant injected from the refrigerant line.

The invention discloses a fuel cell bipolar plate cooling flow channel optimization method, and relates to the technical field of fuel cells, and the method comprises the following steps: arranging an asymmetric micro vortex generator and a dynamic pressure compensation flow channel in the edge area of a bipolar plate cooling flow channel; the asymmetric micro-vortex generator is composed of rhombic micro-pit arrays distributed at the bottom of the flow channel. According to the fuel cell bipolar plate cooling flow channel optimization method, through collaborative design of an asymmetric micro-vortex generator and a dynamic pressure compensation flow channel, high-kinetic-energy vortex flow is directionally induced in the edge area of the bipolar plate cooling flow channel, and three-dimensional momentum redistribution is realized through section contraction acceleration and flow guide fin suction; the problems of insufficient flow power and low heat dissipation efficiency of a coolant at the edge of a traditional runner are solved, formation of a local high-temperature area at the edge of a fuel cell stack can be inhibited, the aging rate of a membrane electrode assembly is reduced, meanwhile, the spatial uniformity of electrochemical reaction and water management is guaranteed, and the output stability and the operation life of a cell are improved.

A bench clip for a liquid cooling system is disclosed. The bench clip comprises a manifold attached to a liquid coolant fitting. A retention bracket has a first slot that is adapted to receive a tab on the manifold. The retention bracket has a second slot oriented perpendicular to the first slot. A handle is pivotably mounted to a post on the manifold. The handle has a post positioned within the second slot on the retention bracket. The manifold tab is configured to slide within the first slot and the handle post is configured to slide within the second slot in response to movement of the handle. Movement of the manifold tab within the first slot limits the movement of the manifold to a single axis relative to the clip. An attachment end of the retention bracket is configured to engage with a portion of a server chassis.

An ion exchange filter (100) comprising: an outer housing (1) comprising a coolant inlet (2) and a coolant outlet (12); and an ion exchange device (11) configured to be disposed within the outer housing (1). The ion exchange device (11) comprises: an inner housing (5) configured to be inserted within the outer housing (1), the ion exchange filter (100) further comprising an inlet chamber (16) defined between a bottom portion of the inner housing (5) and a bottom portion of the outer housing (1); an ion exchange element (6) disposed within the inner housing (5) and configured to adsorb conductive ions in a coolant liquid; and an upper cover (10) removably connected to the inner housing (5) and to the outer housing (1), the ion exchange filter (100) further comprising an outlet chamber (73) defined between a top portion of the inner housing (5) and the ion exchange element (6).

The invention relates to the technical field of intelligent monitoring and control of energy storage power stations, in particular to a monitoring method and system for thermal runaway protection of an energy storage power station. The method comprises the following steps: a thermal runaway characteristic signal of the liquid-cooled battery unit is synchronously acquired and processed by the photoacoustic module and the infrared imager to obtain CO concentration time sequence data and temperature cloud picture space data; a sparse feature vector fusing gas concentration and temperature features is obtained through filtering, feature extraction and multi-modal fusion processing of the AI intelligent controller; and performing compressed sensing and risk decision model processing on the sparse feature vector fusing the gas concentration and temperature features to form a thermal runaway early warning signal and a positioning result of the liquid-cooled battery unit. The system comprises a liquid cooling box body, an AI intelligent controller, a cooling liquid storage device, a condenser, a circulating pump, an electric valve, a pressure release valve, an infrared imager, a photoacoustic module and a liquid cooling battery unit. According to the method, rapid extraction and reliable identification of the thermal runaway early-stage features are realized.

Provided is a three-dimensional thermal-hydraulic analysis method and system for a reactor core. The method includes: analyzing a type of a reactor core, dividing an outer-layer mesh and a computational mesh, and establishing a conservative mapping relationship and a set of transport equations; decomposing a coolant viscosity-induced frictional effect, and representing a turbulent mixing-induced exchange of a physical quantity through a source term; establishing a three-dimensional set of governing equations including mass, momentum, and energy conservation equations to describe a flow and heat transfer phenomenon within coolant channels, and forming a fully assembled matrix system based on the set of transport equations; setting a boundary condition and an initial condition for a physical field of the reactor core, and setting an initial field; and iteratively solving the fully assembled matrix system, and obtaining a thermal-hydraulic parameter.

[Problem] Reduction of the stirring resistance that arises in a motor in a coolant circulation system in which an oil-containing coolant circulates to cool and lubricate the motor.[Means of solution] A coolant circulation system 100 comprises: a motor 4 with a rotor 41, a stator 42, a rotating shaft 43 and plain bearings 44; a gas-liquid separator 12, which separates a coolant into CO2 and oil; a CO2 passage 22b, through which the CO2 separated by the gas-liquid separator is supplied to a gap between the rotor and the stator to cool the rotor and the stator; mixing channels 24a, through which a mixture of the CO2 and the oil, obtained by mixing the CO2 and the oil separated by the gas-liquid separator, is supplied to gaps between the rotating shaft and the plain bearings to lubricate the plain bearings; and mixing channels 24b, through which the CO2 supplied to the rotor and the stator from the CO2 channel 22b and the mixture of CO2 and oil supplied to the sliding bearings 44 from the mixing channels 24a are returned to the gas-liquid separator.

A heat sink system includes: a container including a cavity; a housing connecting to the container to cover the cavity, wherein one or more of the container or the housing includes an inlet port, and one or more of the container or the housing includes an outlet port; and a cooling module in the cavity between the container and the housing, the cooling module in a flow of coolant from the inlet port to the outlet port, wherein the cooling module includes: first cooling fins with a first cooling fin geometry, and second cooling fins with a second cooling fin geometry, wherein the first cooling fins are upstream of the second cooling fins along the flow of coolant from the inlet port to the outlet port.

The invention provides a multi-heat-source combined energy storage and auxiliary heating system and method for a nuclear fusion device, and belongs to the field of energy conversion and utilization of the nuclear fusion device, and the system comprises a high-temperature heat source storage and supply system which is used for receiving and storing heat of a cladding and a multiplication region coolant, and continuously outputting a high-temperature heat source during the operation and pause of a fusion reactor; the medium-temperature heat source and auxiliary supply system is used for receiving the heat of the divertor coolant and supplementing and outputting the medium-temperature heat source through a medium-temperature auxiliary heater during the suspension period of the fusion reactor; the low-temperature heat source and auxiliary supply system is used for receiving heat of the vacuum chamber coolant and supplementing and outputting a low-temperature heat source through a low-temperature auxiliary heater during the suspension period of the fusion reactor; the high-temperature heat source storage and supply system, the medium-temperature heat source and auxiliary supply system and the low-temperature heat source and auxiliary supply system operate independently. According to the invention, high-temperature heat, medium-temperature heat and low-temperature heat are simultaneously, continuously and stably supplied to the outside during operation and pause of the fusion reactor.

The invention discloses a device and a method for simulating heat exchange and friction resistance measurement of an aviation high-speed motor under different working conditions, and relates to the field of heat management of high-speed rotating equipment. An additional heating sheet is attached to the outer surface of the inner rotor, and different surface structures are detachably assembled on the outer rotor to form a stator and rotor slit flow channel boundary; cooling liquid forms one-inlet and one-outlet forced convection through the radial through hole of the end cover. The rotating speed larger than or equal to 20,000 rpm, runner pressure drop and temperature data are synchronously collected through an axle load type sensor, and the heat exchange coefficient, the flow resistance coefficient and the friction resistance coefficient are calculated in real time based on energy conservation, a Darcy formula and a torque empirical formula. A real rotor surface structure is reproduced under the condition of high-speed rotation, working medium leakage is restrained through mechanical sealing, and runner blockage caused by centrifugal deformation of the surface structure is prevented through the outer rotor designed in an integrally-formed mode; the obtained convective heat transfer-resistance coefficient-friction resistance coefficient all-parameter curved surface database can guide optimization of the cooling flow channel of the aviation motor.

A method and system are provided and include determining a sensed condition. When the sensed condition is below a first threshold and above a second threshold, the second threshold being less than the first threshold, a flow of coolant is started in a coolant loop comprising a first portion of a first heat exchanger. A flow of refrigerant is started in a refrigerant loop by starting a compressor within the refrigerant loop at a first speed.

The present application relates to the technical field of vehicles. Provided are a thermal management system, a battery heating method and apparatus, and an electronic device and a storage medium. When it is necessary to heat a battery, a target heat source capable of providing heat for heating is selected from among a plurality of candidate heat sources of the thermal management system in the present application, and by means of a heat pump cycle of a refrigerant loop and a heat exchanger disposed on a coolant side, heat on a refrigerant side or heat recovered from the coolant side are transferred to a battery water pump branch for battery heating. A target heating loop determined on the basis of a target heat source is used to implement heat transfer of the target heat source, thereby recycling heat in different branches / loops in a thermal management system while meeting a battery heating requirement, reducing the energy consumption of battery heating, and ensuring a low-temperature range of a vehicle.