743 results about "Coolant flow" patented technology

A cooling system for vehicles and a control method thereof improves indoor heating performance and fuel efficiency by controlling a flow rate of a coolant passing through a heater core together with an EGR cooler. A coolant having an increased temperature is first supplied to the heater core side through a flow stagnancy control to rapidly increase the temperature of the coolant flowing in the heater core, thereby improving heating performance. A warm-up feature is improved through an exhaust heat recovery function by a heat exchange between the exhaust gas and the coolant in the EGR cooler, thereby improving efficiency of fuel.

The invention belongs to the field of temperature control, and particularly relates to a reaction kettle temperature control method and system for synthesizing isothiocyanate. The method comprises the following steps: acquiring temperature, material concentration and coolant flow in a kettle in real time, calculating a reaction rate estimated value through a nonlinear mixed model, and calculating an active factor by combining catalyst input time and an index inactivation function; performing unequal weight combination on the three parameters to generate a scheduling variable, and calculating a current value and a second-order difference value of the scheduling variable; selecting a reference state space model according to the current value of the scheduling variable, and correcting the matrix by using a second-order difference value to obtain an LPV model; constructing a quadratic programming optimization problem, wherein an objective function comprises a temperature tracking error penalty term and a control input increment penalty term for adjusting the weight; when the temperature deviation exceeds the threshold value continuously, a control input value penalty term is added; and solving an optimization problem and outputting a first element of the control sequence to a temperature control execution mechanism. According to the invention, the temperature control precision and stability of the isothiocyanate synthesis reaction kettle are improved.

A gas absorption spectrometer is a gas absorption spectrometer that measures sample gas, and includes a resonator 100A including at least two mirrors, a laser light source that emits laser beams for irradiation of the resonator 100A, and a photodetector that detects light taken out of the resonator. The resonator includes an inner chamber 1A where mirrors 21 and 22 are accommodated, the inner chamber defining a measurement space 15 where sample gas is to be introduced, an outer chamber 3 arranged outside inner chamber 1A for vacuum insulation of the measurement space 15 from the outside, and a cooler 9 arranged within the outer chamber 3 at a distance from the inner chamber 1A, the cooler including an internal space where coolant flows.

A rotor (100) for an electric machine (170) is described. The rotor (100) comprises a hollow rotor shaft (110) of a first diameter (D1); a rotor core (140) attached to the hollow rotor shaft (110); a rotor insert (130) arranged in the rotor core (140) such that an annular gap (150) configured to guide a coolant is provided between an inside of the rotor core (140) and an outside of the rotor insert (130); and a first plurality of guiding ribs (210a), configured to guide a coolant flow of a coolant, flowing radially from the hollow rotor shaft (110), along a first axial ending (135a) of the rotor insert (130) to the annular gap (150) of a second diameter (D2), which second diameter (D2) is larger than the first diameter (D1). An electric machine (170) and a vehicle (500) are also described.

A reservoir tank assembly and a heat pump system including the same are disclosed. The reservoir tank assembly may include a reservoir tank configured to remove air contained in a coolant and an adapter fluidly connecting the reservoir tank and a coolant line along which the coolant flows. A part of the coolant flowing along the coolant line is introduced into any one degassing chamber among a plurality of degassing chambers through the adapter. The coolant passing through the plurality of degassing chambers is discharged to the coolant line through the adapter.

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

Carbide-based fuel assembly includes outer structural member of ceramic matrix composite material, the interior surface of which is lined in higher temperature regions with an insulation layer of porous refractory ceramic material. A continuous insulation layer extends the length of the fuel assembly or separate insulation layer sections have a thickness increasing step-wise along the length of the fuel assembly from upper (inlet) section towards bottom (outlet) section. Fuel element positioned inward of the insulation layer and between support meshes has a fuel composition including HALEU and the form of a plurality of individual elongated fuel bodies or one or more fuel monolith bodies containing coolant flow channels. Fuel assemblies are distributively arranged in a moderator block, with upper end of the outer structural member attached to an inlet for propellant and lower end of the outer structural member operatively interfaced with a nozzle forming a nuclear thermal propulsion reactor.

The invention discloses a self-adaptive cutting system of a three-axis linkage bus fillet processing machine, which comprises a working condition sensing module, an intelligent decision module, a numerical control execution module and a data storage module, and is characterized in that the working condition sensing module is used for acquiring working condition data of cutting force, vibration, temperature and main shaft current in real time in a bus fillet milling process; the intelligent decision-making module is used for receiving the data transmitted and collected by the working condition sensing module, judging whether the working condition is abnormal or not in combination with a pre-stored parameter reference and an intelligent algorithm and generating an optimal parameter adjustment scheme; and the numerical control execution module is used for receiving the adjustment instruction of the intelligent decision module and correcting the parameters of the main shaft rotating speed, the shaft feeding rate, the milling depth and the cooling liquid flow in real time. The invention relates to the technical field of busbar machining equipment, and the system integrates closed-loop control of working condition sensing, parameter decision and dynamic adjustment, and can improve the consistency of the machining precision of a busbar fillet, prolong the service life of a cutter, improve the machining efficiency and guarantee the production safety of the busbar.

The invention discloses a precise liquid feeding structure control method applied to a single-phase immersion liquid cooling data center box body, which comprises the following steps: step 1, data acquisition and modeling: acquiring parameters by using a sensor, and simulating a cooling liquid flow path and temperature field distribution through thermal analysis; 2, simulation analysis and problem positioning are carried out, the flow velocity, flow distribution and temperature field of cooling liquid under different loads are simulated, and an unsmooth flow area, a hot spot area and a high-energy-consumption node are positioned; 3, hardware deployment and debugging: adjusting the installation position of a mainboard water pump to optimize the initial axial direction of a cooling liquid, simulating different server loads, and comparing test data with a simulation result to perform fine tuning optimization; 4, dynamically controlling the flow, executing multi-mode control logic based on the temperature parameters, and dynamically adjusting the rotating speed of a main board water pump and the rotating speed of a circulating pump; cooling liquid is forced to flow through the mainboard water pump, flow distribution is optimized in combination with the heat-flow coupling model, and forced flowing of the cooling liquid is achieved.

The present invention relates to a method of connecting a cooler module (4) to a metal plate by a sintering process, wherein the cooler module (4) comprises a metallic housing (5) having a coolant inlet (7), a coolant outlet (8) and a first housing side (9), and within the housing (5) a coolant flow structure (6), and wherein the method comprises the steps of: introducing at least one glycol between the coolant flow structure (6), applying a sinter paste and sintering to join the metal plate and the first housing side (9) under pressure and temperature.

Systems and methods disclosed herein may comprise a bottom hole assembly; and a cable disposed in the wellbore. In examples, the cable may comprise a superconducting material configured to provide at least power to the bottom hole assembly; one or more liquid supply channels configured to supply a fluid to reduce temperature of the superconducting material; and one or more liquid return channels. Further, cryogenic liquid may be pumped through the liquid supply channels.

This invention provides a coolant flow channel plate, relating to the technical field of vehicle thermal management. It includes a cover plate fixed to the top of a main board, with the main board and cover plate welded together at their side edges to form an internal flow channel cavity. The cover plate has refrigeration unit inlet / outlet assemblies on its surface. The main board has, from left to right, a heater pump mounting port, a battery pump mounting port, and a motor pump mounting port. The circuits between the heater pump and battery pump mounting ports, and between the heater pump and motor pump mounting ports, within the internal flow channel cavity are each equipped with a first anti-heat-spreading section. The circuit between the motor pump and battery pump mounting ports forms a variable-diameter section, with a second anti-heat-spreading section at its front end. A guide section is provided on the circuit of the battery pump mounting port. This invention solves the problem of lacking anti-heat-spreading structures at the connection points of circuits in different temperature ranges, achieving the technical effects of reducing vehicle weight, reducing vehicle connection piping, reducing heat loss in the thermal management system, and improving thermal management efficiency.

The invention relates to the technical field of automobile thermal management, and discloses a dynamic thermal management control method, device and equipment for an extended-range automobile and a medium, and the method comprises the steps that the temperature of a warm core side water outlet is determined according to the temperature of a warm core side water inlet of a cabin warm core loop, the flow of warm core cooling liquid and a cabin thermal load; the battery side water outlet temperature is determined according to the battery side water inlet temperature, the battery cooling liquid flow and the battery thermal load of the battery heat exchange loop; according to the warm core side water outlet temperature, the battery side water outlet temperature, the warm core cooling liquid flow and the battery cooling liquid flow, a mixed water temperature calculation value of the junction is determined; and the engine water outlet temperature of the engine cooling loop is obtained, the mixed water temperature calculation value is compared with the engine water outlet temperature, and heat management control is carried out according to the comparison result. According to the invention, sensorless multi-loop thermal management cooperative control is realized, the hardware cost and the failure rate are greatly reduced, and the energy utilization rate is effectively improved.

A device for cooling or temperature control for at least one storage module of a rechargeable battery includes multiple coolant channels, through which a coolant flows in the same direction, and at least one of the coolant channels includes a cross-sectional constriction element with a passage cross-section for the coolant.

A cooling device for an electric drive train component can comprise a coolant inlet port configured to receive gaseous coolant from the electric drive train component, a coolant outlet port configured to deliver liquid coolant to the electric drive train component, a heat exchanger configured to extract heat from the gaseous coolant such that the gaseous coolant is at least partially transformed into liquid coolant, wherein the heat exchanger is fluidically connected to the coolant inlet port and the coolant outlet port such that the heat exchanger is arranged between the coolant inlet port and the coolant outlet port along a coolant flow direction, and a coolant collection channel fluidically connected to the heat exchanger and the coolant outlet port such that the coolant collection channel is arranged between the heat exchanger and the coolant outlet port along the coolant flow direction.

This utility model discloses a high-temperature resistant cooling circulation structure for a fluoroplastic magnetic pump, specifically relating to the field of magnetic pumps. It includes a base, pump body, pump cover, connecting frame, isolation sleeve, inner magnetic rotor, outer magnetic rotor, motor, and impeller. The isolation sleeve, inner magnetic rotor, and outer magnetic rotor are all housed inside the connecting frame. The high-temperature resistant cooling circulation structure of this fluoroplastic magnetic pump features a spiral cooling channel inside the isolation sleeve. The coolant flows directly through the core area of ​​the heat source, rapidly absorbing heat transferred by magnetic eddy currents and high-temperature media through forced convection, thus improving cooling efficiency and effectively blocking heat transfer to the outer magnetic rotor, preventing permanent magnets from demagnetizing and failing due to high temperatures. Copper-nickel alloy heat-conducting fins are welded to the inner wall of the isolation sleeve, combined with a layer of thermally conductive silicone grease, accelerating the conduction of heat from the inner magnetic rotor to the cooling channel. A vacuum cavity is provided between the spiral cooling channel and the outer wall of the isolation sleeve to suppress heat conduction to the outer magnetic rotor, achieving double thermal isolation.

This utility model discloses a continuous deoiling device for microcrystalline wax, including a sealed wax melting tank and a deoiling device. The sealed wax melting tank transports the mixture to the inside of a spiral plate heat exchanger via a variable frequency pump. The spiral plate heat exchanger is connected to a high and low temperature integrated machine, which can circulate and cool the coolant flowing inside the spiral plate heat exchanger. The spiral plate heat exchanger transports the crystallized mixture to the inside of a centrifuge. The centrifuge separates the crystallized wax from the filtrate through centrifugal action, and the separated filtrate enters the sealed filtrate tank for recycling. This utility model can achieve continuous deoiling of microcrystalline wax through the synergistic effect of components such as the sealed wax melting tank, variable frequency pump, spiral plate heat exchanger, and centrifuge. At the same time, the curved structure in the channel of the spiral plate heat exchanger forces the fluid to form a strong spiral flow. The high flow velocity and turbulence can scour the wall surface and prevent wax crystals or impurities from depositing.

A heating, ventilation, and air conditioning (HVAC) system for a vehicle having a rechargeable energy storage system includes a refrigerant circuit in which a refrigerant flow circulates. The refrigerant circuit includes a compressor, an internal condenser, and a chiller heat exchanger. A coolant circuit is fluidly connected to the refrigerant circuit and has a coolant flow circulating therein. The coolant circuit includes the chiller heat exchanger, the internal condenser, a heater core, a rechargeable energy storage system (RESS), and a three-way coolant valve to selectively direct the coolant flow through the RESS and / or bypass the RESS along a bypass passage.

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

The application discloses a quick-release type server liquid cooling circulation module and a locking structure thereof, relates to the technical field of servers, and comprises a server body, a liquid cooling circulation module and a mainboard. The liquid cooling circulation module is fixedly connected to the top of the server body. The liquid cooling circulation module is arranged. The thermal stress in the liquid cooling circulation module is subjected to layered elastic compensation. The dynamic adhesion stability and the heat conduction uniformity between the cold plate in the floating module and the CPU / GPU are improved. Meanwhile, the risk of interface loosening or leakage caused by temperature fluctuation and mechanical vibration is effectively inhibited. The long-term reliability and the thermal management efficiency of the system are enhanced while the quick-release convenience is ensured. The side branch mechanism is arranged. The circulation of liquid is realized through a multi-way valve and a side branch pipe. Even if the delivery channel of the liquid outlet pipe is cut off, there is still a minimum amount of coolant flowing through the cold plate in the floating module. The CPU / GPU is given valuable time for safe shutdown or switching to a backup path, and thermal runaway is fundamentally avoided.

At low temperature, a temperature regulator regulates a flow rate of a coolant to the water-cooled intercooler such that the temperature of the oxygen-containing gas (supercharged air) supplied from the oxygen-containing gas supply machine to the oxygen-containing gas inlet of the fuel cell stack increases as the generated electric power by the fuel cell stack increases (characteristic in FIG. 2).

The invention relates to the technical field of industrial electromechanical manufacturing, and discloses an industrial electromechanical manufacturing cutting and welding device and method.The device comprises a workbench with a supporting frame, the supporting frame is provided with a position adjusting part, and the position adjusting part is provided with a cutting mechanism and a welding mechanism; the fixing part comprises a fixing frame arranged on the working table and a clamping piece arranged in the fixing frame, a first abutting column is arranged at the top of the inner wall of the fixing frame, and a second abutting column is arranged on a clamping head of the clamping piece; the two cooling chains are in lap joint with the interiors of the two fixing frames correspondingly, each cooling chain comprises a plurality of heat conduction blocks which are hinged to one another, and the heat conduction blocks are provided with coolant flow channels which communicate with one another; the rotary driving piece is arranged below the working table, and a rotating wheel is arranged on the rotating shaft; the device can be used for quickly and fully cooling a workpiece, and can adapt to cutting and welding operation of various materials such as high-strength steel, stainless steel or thick-wall pipes, so that the geometric accuracy and the surface quality after welding are synchronously improved; and operation and control are simple and convenient.

This invention discloses a laser-based dynamic balancing device for an EC motor rotor, belonging to the field of laser cutting technology. It includes a frame module, a chuck module, and a balancing module. Two sets of chuck modules are mounted on the frame module to clamp the rotor from both ends of the rotor shaft. The balancing module is movably mounted on one side of the frame module. Each chuck module includes a hollow shaft cylinder and a shaft disc. The shaft disc is rotatably mounted at one end of the hollow shaft cylinder. Several support layers are slidably mounted on the shaft disc along the circumferential direction. Clamps are mounted on the inner diameter ends of the support layers. This invention uses the two sets of chuck modules in the frame module to center and clamp both ends of the EC motor rotor shaft, preventing rotor misalignment. A heat insulation layer is provided between the support layers and the clamps to block heat. The high thermal conductivity copper alloy clamps, combined with the coolant flow channel, efficiently exchange heat, maintaining the shaft at a low temperature and reducing magnet demagnetization.

This application provides a liquid-cooled cable, a charging gun, and a charging pile. The liquid-cooled cable includes a conductor, a first liquid-cooling pipe, and an optical fiber. The first liquid-cooling pipe surrounds the conductor circumferentially, forming a first liquid-cooling channel for coolant flow. The optical fiber contacts the conductor or the first liquid-cooling pipe and extends along the length of the liquid-cooled cable. The optical fiber receives laser signals and outputs backscattered light signals. This application embodiment can monitor the temperature of the liquid-cooled cable in real time along its entire length, ensuring that the liquid-cooled cable operates within a normal temperature range. Furthermore, this can improve the service life of the charging gun and ensure the safety of the charging pile for electric vehicles.

This invention discloses a combined fuel cell and heat pump power generation and heat production system. The system includes: a fuel cell with a hydrogen flow channel, an air flow channel, and a coolant flow channel; a first inlet pipe with its outlet end connected to the inlet end of the hydrogen flow channel; a condenser having a third flow channel and a fourth flow channel; a hydrogen catalytic burner with its inlet end connected to the inlet end of the first inlet pipe via a first branch pipe; a first heat exchanger including a first channel and a second channel, one end of the first channel being connected to the outlet end of the hydrogen catalytic burner, the second channel being connected in series with a water inlet pipe, and the other end of the water inlet pipe being connected to the liquid inlet end of the fourth flow channel; and a second heat exchanger including a third channel and a fourth channel, one end of the third channel being connected to the outlet end of the hydrogen catalytic burner, and the inlet end of the fourth channel being connected to the outlet end of the fourth flow channel. The combined fuel cell and heat pump power generation and heat production system of this invention broadens the range of heat production ratios for combined fuel cell and heat pump systems.

The present invention relates to a rotor (10) for an electric machine of a motor vehicle that is at least partially electrically powered, wherein the rotor (10) comprises a rotor shaft (12) and a rotor lamination stack (14) connected to the rotor shaft (12), wherein the rotor (10) comprises at least one coolant channel (16) formed in the rotor lamination stack (14), wherein the coolant channel (16) extends in the axial direction (20) of the rotor shaft (12) and is formed in a region of the rotor lamination stack (14) close to the rotor shaft. Electric machine (28) with the above rotor (10) and a drive train for a motor vehicle that can be at least partially electrically driven with the above rotor (10). Furthermore, the invention relates to a method for generating a coolant flow through the coolant channel (16) of the above rotor (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.

The present application relates to the field of new energy vehicle thermal management technology, especially to an integrated thermal management module and a vehicle. The integrated thermal management module comprises: a flow channel for conveying coolant is formed inside a flow dividing member; a power assembly is used to provide power for the coolant flowing in the flow channel; a switching assembly is in communication with the flow channel and comprises a first four-way valve and a second four-way valve; a warm air core inlet, a heat exchanger inlet, a heat exchanger outlet, an electric drive system inlet, an electric drive system outlet, a radiator inlet, a radiator outlet, a heater inlet, a heater outlet, a battery water pump inlet and a battery outlet are arranged on the side wall of the flow dividing member and are in communication with the flow channel. The present application has the advantages of simple structure, small size and easy installation, thereby reducing the weight of the whole vehicle, reducing the parts of the whole vehicle, reducing the cost, reducing the pressure loss of the whole vehicle system, improving the thermal efficiency of the thermal management system, making the vehicle energy-saving and comfortable, and improving the cruising range.

An object of the present invention is to provide a propulsion device for a hybrid aircraft that is compact and lightweight.SOLUTION: A propulsion device of a hybrid aircraft according to the present invention includes an engine and a motor that output a rotational force, a gear box that transmits the rotational force, an electric power converter that converts electric power supplied to the motor, and a fuel flow path that supplies fuel to the engine, wherein the propulsion device includes a first coolant flow path that supplies a coolant to the motor and the gear box, a second coolant flow path that supplies a coolant to the electric power converter, and a heat exchanger that is provided in each of the first coolant flow path and the second coolant flow path and performs heat exchange with the fuel flow path.SELECTED DRAWING: Figure 4

An ion exchange filter arrangement (10) comprising: a housing suitable for receiving a coolant (12); a container area (22) for an ion exchange filter (32) which is defined within the housing (12) and is suitable for accommodating an ion exchange filter (32), wherein the ion exchange filter container area (22) forms a first coolant flow path (F1) within the housing (12); and with a bypass line (24) for coolant, which is defined within the housing (12) and forms a second coolant flow path (F2) in a flow arrangement parallel to the first coolant flow path (F1), wherein the second coolant flow path (F2) surrounds the first coolant flow path (F1) and is concentric to the first coolant flow path (F1), further comprising an annular wall (44) which is arranged inside the housing (12) and defines the ion exchanger filter vessel area (22) and the bypass line (24) for the coolant, wherein the ion exchange filter arrangement (10) defines a coolant inlet (56) and a coolant outlet (28) with first (F1) and second coolant flow paths (F2), each path extending from the coolant inlet (56) to the coolant outlet (28) and the annular wall (44) extending longitudinally between the coolant inlet (56) and the coolant outlet (28) to separate the first (F1) and second coolant flow paths (F2) from each other, and wherein the inlets of the first (F1) and second coolant flow paths (F2) communicate with each other at the coolant inlet (56) and outlets of the first (F1) and second coolant flow paths (F2) communicate with each other at the coolant outlet (28), wherein an ion exchange filter (32) is arranged in the ion exchange filter container area (22) of the housing (12), wherein the coolant bypass line (24) is defined at a location radially between an outer side of the annular wall (44) and an inner side of the housing (12), further comprising a container tube (34) defining a coolant inlet and a coolant outlet (52) and having the ion exchange filter (32) attached therein, wherein the container tube (34) contains the annular wall (44) and the bypass line (24) contains a bypass line inlet (54) defined radially from the annular wall (44) and communicating with the coolant inlet (56), wherein the first coolant flow path (F1) defines a first outlet and the second coolant flow path (F2) defines a second outlet near the first outlet, the first and second outlets communicating with each other at the outlet (28) of the casing (12), the second coolant flow path (F2) being capable of generating a localized low-pressure region in the coolant as the coolant from the second flow path (F2) flows past the first outlet, the outlet of the container tube (34) comprising an annular projection (62) extending longitudinally outward from a base region (64) of the container tube (34).