7979 results about "Cooling efficiency" patented technology

The invention provides a machine room energy consumption optimization method and system based on temperature monitoring, and relates to the technical field of energy consumption optimization, and the method comprises the steps: collecting the temperature data of a machine room in real time, continuously monitoring the temperature gradient of each region, carrying out the fusion processing, and constructing a three-dimensional dynamic temperature distribution model; a hot spot area, an airflow dead angle and a cooling capacity waste area are identified through a deep learning algorithm, a flowing track and a mixing process of cold and hot air in a machine room are predicted through a track regression neural network in combination with machine room layout and equipment distribution, and a machine room temperature control strategy set is generated through adaptive neural fuzzy reasoning, correction and updating of a prediction result; and by taking minimum energy consumption and maximum refrigeration efficiency as optimization objectives and taking a safe operation temperature range of equipment in the machine room as a constraint condition, a plurality of parameters are jointly adjusted through a temperature control optimization algorithm to obtain an optimal temperature control curve, and the optimal temperature control curve is converted into a refrigeration system control instruction, so that collaborative optimization of the temperature and the energy consumption of the machine room is realized.

The invention relates to the technical field of temperature equalization control, and discloses a temperature equalization control method and device for a liquid cooling over-charging system. The method comprises the following steps: carrying out grid division on the liquid cooling overcharge system, inputting thermophysical parameters, and obtaining a temperature field calculation matrix through finite difference time domain analysis; establishing a two-layer distributed control network of a station-level control layer and a pile-level control layer based on the temperature field calculation matrix; acquiring real-time temperature data of the two layers of distributed control networks, and performing temperature field mapping to obtain temperature field distribution data; performing linear prediction and nonlinear prediction calculation on the temperature field distribution data to obtain a temperature change trend and a temperature extreme point; the target temperature is calculated according to the temperature change trend and the temperature extreme point, the cascade PID controller is adopted to adjust the rotating speed of the cooling liquid pump, and the temperature balance control parameters are obtained, station-level and pile-level cooperative control is achieved, cooling resources among the multiple charging piles are reasonably distributed, and the overall cooling efficiency of the system is improved.

The invention relates to the technical field of temperature regulation and control, in particular to a liquid cooling control method and system of a battery control device, in the liquid cooling control method and system, through real-time collection and area screening of temperature and power data, accurate recognition of a high-temperature area is achieved, a clear cooling requirement partition is provided, and the cooling requirement of a battery is met. A dynamic adjustment strategy of pressure and flow parameters of the liquid cooling pump is optimized through a genetic algorithm, the cooling response speed and control precision are improved while energy consumption and cooling efficiency are effectively balanced, the pump speed and the valve opening degree are adjusted in real time, temperature changes are rapidly responded through automatic control, gradual implementation of a cooling target is ensured, and the cooling efficiency is improved. The hysteresis in the heat management process is reduced, the temperature control effect is continuously evaluated through a fuzzy control algorithm, the cooling intensity is dynamically adjusted according to the monitoring result, efficient cooling is ensured, meanwhile, equalization of temperature distribution is achieved, and a systematic heat management framework is established through long-term data monitoring and continuous optimization of cooling operation. And efficient and stable operation of temperature management is realized.

Embodiments of substrate supports having electrostatic chucks (ESCs) for use in substrate process chambers are provided herein. In some embodiments, a substrate support includes: an electrostatic chuck (ESC) having a top surface and a plurality of mesas extending upward from the top surface, wherein an upper surface of the plurality of mesas define a substrate support surface, wherein a total surface area of the substrate support surface is about 18 to about 40 percent a total surface area of the upper surface, and wherein the ESC includes a plurality of backside gas openings extending through the ESC; and one or more chucking electrodes disposed in the ESC.

The invention discloses an aircraft wheel cooling method and device, and the method comprises the steps: collecting the temperature of a brake disc and the air pressure of a hub in real time through a temperature and pressure sensor, calculating the temperature change rate and the pressure difference through an embedded processing module, and generating a thermodynamic initial parameter set; calculating a thermal stress distribution value of the brake disc based on the initial parameter set, and generating a cooling liquid flow and spraying angle instruction set in combination with a material threshold database; the opening degree of an annular pipeline piezoelectric valve is regulated according to an instruction set, an injection area is regulated according to flow velocity-surface area heat exchange efficiency, and waste heat is synchronously recovered to optimize power consumption; the thermal infrared imager obtains temperature field distribution, the initial parameter tolerance range is compared, the spraying angle and the flow instruction are corrected through a fuzzy PID algorithm, and temperature gradient errors are eliminated; and based on the temperature drop rate, the pressure stability and the waste heat recovery efficiency, an efficiency index is generated by using a neural network scoring model, and algorithm weights and piezoelectric valve response parameters are dynamically adjusted. The cooling efficiency is effectively improved, and the thermal stress risk is reduced.

The invention relates to the field of machine room water pump control methods, in particular to an efficient machine room water pump frequency conversion control system and method. Modules of intelligent prediction and optimization, dynamic pressure and flow control, multi-sensor fusion, fault prediction and adaptive control, energy management and optimization and the like are integrated; and prospective and self-adaptive operation of the cooling system is realized. The system not only can predict the cooling demand according to historical data and real-time environmental parameters and adjust the working state in advance, but also can monitor and accurately control the pressure and flow of the cooling water system in real time and ensure the cooling efficiency. Through multi-sensor fusion, the system comprehensively monitors the operation state, and in combination with fault prediction and adaptive control, potential faults can be prevented, and the system stability is guaranteed. The energy management and optimization module intelligently dispatches operation of a cooling water tower fan and a cooling water pump, efficient utilization of energy is achieved, and the energy efficiency and reliability of the cooling system are remarkably improved on the whole.

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

The invention discloses a high-integration-level and efficient-cooling external rotor motor ducted fan system, which belongs to the technical field of ducted fans and comprises a motor stator winding and a fan external rotor integrated part integrally formed by fan blades and a motor external rotor turntable, the integrated shell is integrally formed by a motor inner stator sleeve, a ducted nacelle, a motor controller main shell and a plurality of groups of ducted stationary blades; a cooling structure is mounted on the integrated shell; a motor stator winding is fixedly connected to the outer wall of one end of the integrated shell, the front flow guide cover is fixedly connected to the fan outer rotor integrated part, and the rear flow guide cover is installed at the other end of the integrated shell. And the integrated shell is rotationally connected with the fan outer rotor integrated piece. The system is low in noise, high in integration level, high in system reliability, high in system cooling efficiency, high in power level compatibility and high in expandability.

The technical scheme of the invention relates to the technical field of data processing, in particular to a method for improving the rapid cooling efficiency of a high-temperature graphite furnace, and the method comprises the steps: carrying out the time axis normalization processing based on a cubic spline interpolation algorithm, combining an adaptive Kalman filter, fusing multi-source data, and generating a time-synchronized three-dimensional temperature field reconstruction matrix; the problem of temperature field reconstruction lag caused by insufficient time sequence alignment precision of multi-modal sensing data is solved. And the reinforcement learning network dynamically optimizes the control parameter weight through the residual feature map, preferentially corrects the deviation of the rotating speed of the induced draft fan and the gas injection angle in a high-error region, and feeds back the deviation to the thermodynamic simulation model for online iterative updating of the specific heat capacity parameters of the material, so that model prediction and dynamic calibration of the actually measured thermal field are realized. Through multi-source data alignment, closed-loop feedback and cooperative control architecture, the timeliness and execution precision of cooling path planning are remarkably improved, and the cooling efficiency and equipment reliability of the high-temperature graphite furnace are optimized.

The invention discloses a high-heat-dissipation integrated ducted fan electric propulsion system, which belongs to the technical field of ducted fans and comprises a motor controller, a motor, a motor front bearing, a motor rear bearing, a front fairing, a rear fairing and an integrated fan rotating shaft integrally formed by fan blades and a motor rotating shaft. The integrated nacelle motor shell is integrally formed by a motor shell, a ducted nacelle and a plurality of groups of ducted stationary blades; cooling devices are mounted on the motor shell and the motor controller; the cooling device comprises a cooling water channel and a water cooling cavity; a cooling water channel is arranged on the motor shell; the motor controller is provided with a water cooling cavity, and the cooling water channel is communicated with the water cooling cavity; the front fairing is connected to the left end of the integrated fan rotating shaft, and the rear fairing is connected to the right end of the motor controller. The integrated level is high, the size and the weight are reduced by reducing connecting parts, and the power density is high; the system reliability is high; the system cooling efficiency is high; and the power level compatibility and the expandability are high.

The invention discloses a multistage safety response control method of an industrial and commercial liquid cooling energy storage system, and relates to the technical field of electric energy storage systems, a sensor network collects an operation state data time sequence matrix, and abnormal data cleaning is carried out on the time sequence matrix; the method comprises the following steps: preprocessing a vibration signal of a cooling system, extracting characteristic data of abnormal vibration through Fourier transform and energy distribution analysis, and positioning a time-frequency distribution abnormal region; generating a time sequence multivariable data set according to the characteristic data of the abnormal vibration, determining a cause label according to the fused time sequence multivariable data set, obtaining the inherent frequency and the resonant frequency of the cooling system in combination with simulation analysis, and matching and determining the cause of the abnormal vibration; an LSTW neural network is used for predicting the abnormal resonance risk, and corresponding countermeasures are taken for the cooling network according to the prediction result; unnecessary vibration caused by error adjustment is avoided, the relation between cooling efficiency and safety is balanced, and unnecessary power loss is reduced.

The invention relates to the technical field of direct-current transformers, in particular to a direct-current transformer for a power distribution network, which comprises an iron core, a coil and insulating oil, an insulating assembly is arranged between the coil and the iron core, and the insulating assembly comprises an insulating paperboard, an insulating cushion block, an insulating contour semi-ring and a semi-ring groove, the insulating paper board is of a structure with a round inner wall and an octagonal outer wall. Through the unique design of the insulating paperboards, the insulating partition strips and the insulating partition blocks, the longitudinal oil ducts and the transverse oil ducts are effectively reserved, the oil flow path of the transformer is optimized, the cooling efficiency is improved, and stable operation of the transformer is ensured; through the bisection splicing structure of the insulating cardboard and the overturning action of the insulating parting strip, the quick clamping assembly of the insulating cardboard and the iron core is realized, the time for adapting the winding on site is saved, the tightness and uniformity of the winding are improved, and the reliability and safety of the transformer are enhanced.

The invention relates to the technical field of automatic control, in particular to an automatic control method of a BOG low-temperature recovery system for a storage tank for an LNG (liquefied natural gas) ship, which comprises the following steps: acquiring BOG pressure fluctuation data and temperature difference trend, analyzing pressure rise rate and cooling efficiency change, identifying a pressure peak value and a cooling lag section, screening a low-efficiency section and marking an optimization unit. And identifying an energy matching degree, analyzing energy loss distribution, identifying an over-limit node and a fault signal, and obtaining an energy and fault synchronous control table. According to the system, through real-time data monitoring and intelligent analysis, the BOG recovery process can be accurately controlled, energy circulation and cooling treatment can be optimized, the efficiency of a low-temperature recovery system can be improved, BOG pressure and temperature difference changes can be monitored, pressure fluctuation and cooling lag can be analyzed, continuous improvement of condensation efficiency can be ensured, control parameters can be accurately adjusted, energy loss is avoided, and the energy efficiency of equipment can be improved; energy consumption and equipment fault management are optimized, and efficient and safe operation of the low-temperature recovery system is ensured.

The invention discloses a high-temperature superconducting coil structure, and relates to the technical field of superconducting magnets, and the main points of the technical scheme are that the high-temperature superconducting coil structure comprises a solenoid superconducting coil which is arranged in a layer winding manner and is internally provided with a first cooling channel arranged along the axis direction of a wire; the shunt bypasses are arranged on the solenoid superconducting coil at intervals, and second cooling channels are arranged in the shunt bypasses; wherein the shunt bypass and the solenoid superconducting coil are connected in a lap joint mode to form a connector, and at least one longitudinal cooling hole for communicating the first cooling channel with the second cooling channel is formed in the connector. While the inherent thermal stability and safety of the magnet are improved, the number of coil joints is greatly reduced, and heat generated by the joints is reduced; the superconducting magnet is divided into multiple sections by the shunt bypasses which are connected in parallel, and the shunt bypasses serve as a refrigerant inlet and outlet of the magnet and also serve as a rapid energy release and energy transfer loop during magnet quenching protection, so that the cooling efficiency of the magnet is improved, and the energy release speed of a magnet quenching section is increased.

The invention relates to the technical field of new energy ships, in particular to a new energy ship power battery cabin cooling system which comprises a cooling box body, the cooling box body wraps a power battery, a fluid cavity channel used for cooling liquid circulation is formed in the cooling box body, and a water cooling system comprises a water pump and a pipeline connected with the cooling box body. The water pump pumps a cooling water source from the water tank and circulates through the fluid cavity channel to take away heat generated by the power battery, the phase change material module is arranged in the cooling box body, and a phase change material absorbs the heat and generates phase change when the temperature of the battery reaches a preset value so as to reduce the temperature generated by the battery; the intelligent control system comprises a temperature sensor, a flow sensor and a central control unit, monitors temperature and flow data of the power battery and the cooling system in real time, and dynamically adjusts operation of the water pump, the flow of cooling water and the working state of the heat energy recovery module. The cooling efficiency and the energy utilization rate of the system are comprehensively improved.

The invention belongs to the field of thermal control and energy conservation of energy storage cabinets, and particularly relates to an intelligent energy-saving control method and system for a liquid-cooled thermal management system of an energy storage cabinet, and the method comprises the steps: obtaining the working state data of the energy storage cabinet and the data of the thermal management system, and introducing an electrothermal conversion model and an energy-saving cooling control model at the same time; secondly, based on the working state data of the energy storage cabinet and an electrothermal conversion model, accurately calculating electrothermal conversion efficiency and a charge-discharge-temperature rise mapping space; thirdly, inputting data of the charging and discharging-heating mapping space and the thermal management system into the energy-saving cooling control model, and generating a first cooperative control parameter and instruction; and finally, parameters and instructions are fed back to a cooperative control device, so that the state change time point and the cooling output power of the liquid cooling unit are accurately controlled, and the boosting rate of the energy storage cabinet is adjusted. According to the method, the accurate time point of cooling is effectively mastered through the accurate mapping space of the heating and cooling processes, the cooling efficiency is improved, and the cooling energy consumption is reduced.

The invention relates to the technical field of liquid cooling energy storage control, in particular to an efficient liquid cooling energy storage system and a control method thereof, and the system comprises a path monitoring module, a path recognition module, an abnormality marking module, a switching execution module and a path reinspection module. According to the method, through combined calculation of the main channel pressure change rate and the outlet pressure deviation value, early recognition of the cooling efficiency attenuation trend is achieved, the channel abnormity sensing precision is improved, the temperature recovery rate is introduced to serve as a heat release accumulation criterion, the dynamic judgment capacity for heat retention is enhanced, and the cooling efficiency is improved through a double abnormity parallel judgment mode. Misjudgment is avoided, early warning accuracy is improved, main and standby channel switching is implemented, an independent cooling path structure is formed, pressure and temperature fluctuation is dynamically rechecked after a standby path is started, stable switching is ensured, the continuous monitoring capacity is achieved, and a parameter trend recognition, path reconstruction and state verification closed-loop mechanism is integrally constructed. And the operation stability and the thermal control reliability of the energy storage system are improved.

The invention provides a water-cooling heat dissipation vehicle-mounted device and an electric vehicle. A shell of the vehicle-mounted device comprises an integrated shell, and the integrated shell comprises an electrical containing groove and an internal water inlet channel. Wherein the electrical containing groove is used for containing the integrated support and the first circuit board, the first circuit board is used for bearing at least one electrical assembly in the vehicle-mounted charger or the motor controller, and the integrated support is arranged between the first circuit board and the groove bottom of the electrical containing groove. The integrated support comprises a support water channel inlet and at least one radiator water channel connector, the support water channel inlet is used for receiving cooling water output by the outlet of the internal water inlet channel, and each radiator water channel connector is used for conveying cooling liquid to at least one of a water cooling radiator of the vehicle-mounted charger or a water cooling radiator of the motor controller. The water cooling radiator of the vehicle-mounted charger and the water cooling radiator of the motor controller are communicated with the internal water inlet channel of the integrated shell through the integrated support, so that the vehicle-mounted device is small in size under the condition that the cooling efficiency of the vehicle-mounted device is improved.

The invention relates to the technical field of liquid cooling heat dissipation, in particular to a liquid cooling fin type heat dissipation structure for a processor and a manufacturing method.The liquid cooling fin type heat dissipation structure comprises a composite fin unit, a nano-porous thermal interface layer and a double-phase cooling runner, and the composite fin unit is composed of a plurality of heat dissipation fins; the heat dissipation fins are made of a silicon carbide particle reinforced copper-based double-gradient nano-structure composite material; the nano-porous thermal interface layer is arranged on the outer surface of the heat dissipation fins; the double-phase cooling flow channel is arranged in the heat dissipation fins and comprises a main cooling channel, a micro-jet branch pipe and a spiral fractal flow channel. According to the double-phase cooling flow channel, the main cooling channel, the micro-jet branch pipes and the spiral fractal flow channel are matched with one another, the main cooling channel extends in the length direction of the fins, it is ensured that cooling liquid can evenly flow in the fins, the contact area of the cooling liquid and the fins is increased, and the cooling efficiency is improved.

The invention discloses a rapid remodeling probe assembly for lithium battery charge and discharge detection, which integrates a probe mounting plate, a pressing assembly, a probe mechanism and an induction driving assembly, and is characterized in that a temperature sensor in the probe mechanism is electrically connected with a linear driver, a first electric push rod and a second electric push rod; the device is allowed to quickly respond when detecting abnormal temperature, emergency intervention is performed through the abnormal protection assembly and the cooling assembly, overheating of the battery is effectively prevented, the cooling efficiency and safety are greatly improved through the design of the cooling assembly, meanwhile, the arc extinction function designed in the abnormal protection assembly is mainly achieved through a hollow structure of a sealed injection push rod, and the service life of the device is prolonged. Nitrogen is quickly released through the control valve, and the arc extinguishing hose directly delivers the nitrogen to an arc generation area to quickly extinguish the arc, so that the safety and reliability of the whole equipment are remarkably improved, the continuity and stability of the battery test process are ensured, and the equipment can efficiently and safely adapt to continuously changing test requirements.

The invention relates to the technical field of forklifts, in particular to a wheel edge driving system driven by a hydraulic motor and a forklift. The wheel edge driving system driven by the hydraulic motor comprises a clutch assembly, an input connecting shaft and a speed reduction adjusting assembly. Efficient power transmission can be achieved, large torque can be effectively borne, rapid power switching and control can be achieved, the requirements under different working conditions are met, the controllability and flexibility of a vehicle are improved, in addition, the flow rate of cooling lubricating oil in the rotating output hole, the hollow conical cavity, the speed reduction cavity and the clutch control cavity can be increased, and the service life of the vehicle is prolonged. Therefore, the cooling efficiency is improved, the cooling liquid can be evenly distributed in the equipment, the local overheating phenomenon is avoided, effective heat dissipation is achieved, performance reduction or faults caused by too high temperature in long-time operation of the equipment are prevented, and the reliability of the equipment is improved.

The utility model relates to a heat exchange device, a robot heat management system and a robot, the heat exchange device comprises a sealing sleeve, a piston, a driving element, a first valve, a second valve and a controller, the sealing sleeve is provided with a sealing cavity, and a power element and the piston are arranged at the two ends of the sealing cavity respectively; the piston divides the sealing cavity into a heat exchange cavity provided with the power element and a compression cavity far away from the power element. The heat exchange cavity is provided with a liquid inlet and an air outlet. When the controller controls the first valve and the second valve to be switched off and the piston moves in the direction away from the power element, the heat exchange cavity expands, and the liquid refrigerant in the heat exchange cavity can be changed into a gas state in a phase mode. When the controller controls the first valve to be switched off, the second valve to be switched on and the piston moves in the direction close to the power element and extrudes the heat exchange cavity, the refrigerant can be discharged through the air outlet. According to the heat exchange device, the robot heat management system and the robot, the problems that a heat management system is large in size and low in cooling efficiency are solved.

The invention provides an air-cooling and water-cooling integrated dry-type transformer, and relates to the field of transformers. The air-cooling and water-cooling integrated dry-type transformer comprises a transformer body, an annular gap is reserved between a primary winding insulating layer and a secondary winding insulating layer of the transformer body, a cooling pipeline is installed in the annular gap, a liquid inlet channel and a liquid outlet channel are arranged in the cooling pipeline, and the section of the cooling pipeline is in an 8 shape; according to the air-cooling and water-cooling integrated dry-type transformer, air cooling and water cooling are cooperatively used for heat dissipation, the heat dissipation efficiency is improved, the 8-shaped cooling pipeline is arranged, cooling liquid circularly absorbs heat of the winding through the liquid inlet channel and the liquid outlet channel, the spiral design increases the contact area and duration, the air cooling channel conducts double air cooling on the surface of the winding and the surface of the cooling liquid pipeline through the air spraying holes, and the cooling efficiency is improved. And the splayed structure of the gas spraying holes promotes gas-liquid heat exchange, the synergistic effect of assisting water cooling with air cooling and promoting air cooling with water cooling is formed, and the heat dissipation efficiency is greatly improved.

The present invention discloses a stator assembly and an axial magnetic field motor. When the stator assembly of the present invention is used, the coolant enters the liquid inlet cavity from the liquid inlet, enters the first cooling space through the first intermediate liquid inlet, then enters the second cooling space through the cooling channel, then enters the first cooling space through the cooling channel, then enters the liquid outlet cavity through the second intermediate liquid inlet, and finally flows out from the liquid outlet. The coolant can directly contact and exchange heat with the stator core in the process of flowing in the first cooling space, the cooling channel and the second cooling space, thereby improving the cooling efficiency of the motor and extending the service life of the motor.

Disclosed in the present invention is a heat dissipation structure integrating a heat dissipation plate and a phase change heat transfer device, comprising a heat dissipation plate and a vapor chamber. The heat dissipation plate is provided with a flow channel allowing for flowing of a dielectric material, an inlet allowing for flowing of the dielectric material into the flow channel, and an outlet allowing for flowing of the dielectric material from the flow channel. In addition, the upper end surface of the heat dissipation plate is further provided with an opening, and the vapor chamber is blocked on the opening in the upper end surface of the heat dissipation plate to directly perform contact heat transfer with the dielectric material in the heat dissipation plate. The present invention can efficiently solve the problem of insufficient heat exchange efficiency between the vapor chamber and a cooling medium material during composite heat dissipation of the vapor chamber and the heat dissipation plate, and effectively improve the cooling efficiency of the composite heat dissipation mode of the vapor chamber and the heat dissipation plate. Since the vapor chamber has high structural requirements, there is no need to make significant modifications to components, and in the present application, there is no need to change the internal structure of the vapor chamber, thereby making the production and processing easier to implement.

The invention belongs to the technical field of crossing of intelligent manufacturing and thermal control systems, particularly relates to an intelligent cooling control system for a bionic micro-channel mold, and aims to solve the problems of low mold cooling efficiency, non-uniform temperature distribution, high energy consumption and the like. The system comprises a bionic microchannel mold body, a distributed temperature sensing network, a multi-area independent flow regulation and control module, a cooling medium dynamic supply unit and a central intelligent decision controller. Through cooperation of a bionic fractal micro-channel structure, partition flow regulation and control and an intelligent algorithm, fine regulation and control of a temperature field are achieved, the cooling efficiency is improved, energy consumption is reduced, and the self-adaptive optimization and fault redundancy capacity is achieved.

The invention discloses an air conditioner outer shell injection molding mold, relates to the technical field of air conditioner outer shell molds, and aims to solve the technical problems that waste heat of an electric heating element affects the cooling effect, the cooling efficiency is easily reduced, the whole production cycle is further prolonged, and the production efficiency is reduced. A fixed mold assembly and a movable mold assembly are arranged in the supporting table, a lifting assembly is arranged on the top face of the supporting table, a heating assembly is arranged in the movable mold assembly, a synchronous transmission assembly is arranged on the side of the movable mold assembly, and the top of the heating assembly is in transmission fit with the lifting assembly through a linkage assembly. The movable mold assembly is composed of a first side mold, a second side mold and a center mold. The mold has the advantages that the heating assembly and the center mold are separated, the situation that waste heat on the heating assembly affects the cooling effect is effectively avoided, the cooling efficiency is improved, and then the production efficiency is improved.

The invention relates to the technical field of vapor-liquid two-phase cooling, and discloses a vapor-liquid two-phase cooling method and system based on phase change immersion. The method comprises the following steps: acquiring a multi-modal monitoring data set of a target cooling system; performing spatial gradient feature extraction, transient response analysis and motion mode analysis processing on the data to obtain a temperature field feature matrix, a thermal load fluctuation vector and a bubble dynamics feature sequence; performing multi-physical field coupling processing on the features to generate a fusion cooling state feature set; a pre-configured multi-phase flow simulation model is called to carry out cooling efficiency evaluation, and a cooling efficiency index set containing the correlation mapping relation between the working medium flow characteristics and the heat exchange efficiency is generated; performing collaborative anomaly traceability processing based on the mapping relationship, and generating a phase change anomaly traceability report for identifying an abnormal boiling region and a working medium flow defect mode; and generating a cooling parameter self-adaptive control strategy according to the traceability report, and sending the cooling parameter self-adaptive control strategy to a cooling control system to execute real-time parameter adjustment.

An oil-cooled powertrain (10) and an electric vehicle (1). The oil-cooled powertrain (10) comprises a reducer (300), a motor (100) and an oil pipe (340). The reducer (300) comprises a reducer input shaft (330), the motor (100) comprises a motor shaft (140), the reducer input shaft (330) is fixedly connected to the motor shaft (140), and the motor shaft (140) is used for transmitting power to the reducer input shaft (330). The reducer input shaft (330) comprises a reducer shaft cavity (331), the reducer shaft cavity (331) is used for accommodating the oil pipe (340) and part of the motor shaft (140), the oil pipe (340) is relatively fixed to the reducer input shaft (330), the motor shaft (140) comprises a motor shaft cavity (143), and the oil pipe (340) is used for conveying coolant oil to the motor shaft cavity (143). Along the shaft direction of the motor (100), the reducer shaft cavity (331) runs through the reducer input shaft (330), and the motor shaft cavity (143) runs through the motor shaft (140). The oil pipe (340) and the motor shaft (140) are arranged in the shaft direction of the motor (100), and the oil pipe (340) is communicated with the motor shaft cavity (143). By providing the oil pipe (340) in the reducer shaft cavity (331), the coolant oil is conveyed from the reducer (300) to the motor (100), so that the coverage range of the coolant oil in the oil-cooled powertrain (10) is expanded, and the cooling efficiency can be improved.

The invention discloses a 3D printer with an auxiliary stripping function and a using method, and particularly relates to the technical field of 3D printing.The 3D printer with the auxiliary stripping function comprises a gantry rack, a two-axis moving table is installed on the gantry rack, a printing head is installed at the output end of the two-axis moving table, and a Y-axis electric sliding table is installed at the bottom of the gantry rack. The stripping mechanism is formed by splicing the multiple heating plates, a worker can control opening and closing of the multiple heating plates according to the size of a 3D printing product, so that dynamic heating adjustment in different space ranges is formed, the difficulty that waste is caused and the follow-up cooling difficulty is increased is avoided, the mode that the heating units are completely separated from the tray is adopted, and the working efficiency is improved. The cooling efficiency is synchronously improved, the pretreatment mechanism is additionally arranged on the tray, switching control over a cleaning piece and a treatment piece can be completed through cooperation of a control shaft and two friction wheels, and through the design, intermittent cleaning and pretreatment operation can be completed on the tray.