357 results about "Cooling power" patented technology

The invention provides a new energy automobile battery thermal management method and system based on big data. The method comprises the steps that real-time data flow and a historical temperature change curve in a battery pack are collected in real time through a distributed sensor array; inputting a pre-trained time sequence prediction model, outputting a predicted temperature change curve and calculating a real-time temperature rise slope; obtaining an environment comprehensive compensation amount according to the environment temperature and the battery health state, and subtracting the environment comprehensive compensation amount from the basic safety threshold value to obtain a dynamic safety threshold value; determining a dynamic temperature compensation amount through a preset slope grading mechanism, and subtracting the dynamic temperature compensation amount from the dynamic safety threshold to obtain an advanced intervention temperature point; and when the temperature of the battery pack reaches the advanced intervention temperature point, a graded cooling system is started, and cooling power grades are dynamically switched according to the growth interval where the real-time temperature rise slope is located. The battery temperature is accurately controlled, and the energy consumption is remarkably reduced.

The invention provides a split type direct-current charging pile liquid cooling heat dissipation system, and belongs to the technical field of direct-current charging piles, a closed liquid cooling circulation system is constructed through equipment such as a liquid cooling circulation pump, a radiator assembly and a temperature sensor array, and active temperature control is realized by adopting a temperature pre-adjusting module as a core. The system firstly collects power and temperature data to establish a power heat effect function to describe a power-temperature relationship, and extracts temperature time sequence characteristics through a heat situation sensing model by adopting an improved time sequence convolutional network to configure a self-adaptive receptive field adjustment mechanism to capture different time scale change modes; and constructing a double-layer optimization framework in combination with a temperature control game model to solve a Nash equilibrium solution, and calculating an optimal cooling adjustment vector including advanced cooling time and cooling power parameters. And a change curve is generated through real-time monitoring and dynamic correction and is converted into a control instruction, the frequency converter is controlled to adjust the rotating speed of the circulating pump and the opening of the flow valve, and advanced adjustment before temperature change is achieved to eliminate response lag.

The invention relates to a semi-immersed semi-cold plate type mixed liquid cooling power supply module, which comprises a device cavity, a cooling liquid flowing cavity, a first heating assembly and a second heating assembly, the device cavity is filled with a gas medium, and the cooling liquid flowing cavity is filled with cooling liquid; the cooling liquid flowing cavity is arranged in the device cavity, the first heating assembly is contained in the cooling liquid flowing cavity and is immersed in the cooling liquid, and the second heating assembly is contained in the device cavity and is contained outside the cooling liquid flowing cavity. The second heating assembly is arranged on the outer wall of the cooling liquid flowing cavity. Through the cavity-in-cavity structure, the heat dissipation requirement of the first heating assembly contained in the cooling liquid flowing cavity and immersed in the cooling liquid is met, and the heat dissipation requirement of the second heating assembly arranged on the side wall, making contact with the gas medium, of the cooling liquid flowing cavity is also met; and the advantages of cold plate type liquid cooling and immersed liquid cooling can be combined respectively.

The invention discloses an axle staged cooling system, an axle staged cooling assembly and an engineering vehicle. The axle staged cooling system comprises an engine first-stage cooling system, an engine second-stage cooling system, an axle first-stage cooling system and an axle second-stage cooling system. Each stage of cooling system controls cooling water and oil path trend through a thermolator in each loop, controls axle cooling oil and engine cooling water to exchange heat, and meets different cooling requirements of an axle. The temperature sensor in each loop outputs water and oil temperature signals to a motor of the cooling fan, so that the rotating speed of the fan is increased to different degrees along with the temperature rise of each cooling system, and different cooling powers are matched. According to the grading system, the engine and the axles can work at the proper temperature at the same time, the two heat exchangers cool cooling oil of the front axle, cooling oil of the middle axle and cooling oil of the rear axle respectively, the cooling capacity of the front axle is improved, the braking effectiveness of the front axle is guaranteed, and rollover caused by serious backward movement of the gravity center of a vehicle during emergency braking is prevented.

The present disclosure relates to a water-cooled integrated charger and discharger, which provides a charger and discharger comprising: a charging and discharging jig configured to charge and discharge a battery; a water-cooled power supply part configured to supply a power source to the charging and discharging jig and configured to be cooled with water; and a chiller connected to the water-cooled power supply part through a water-supply pipe and a drainpipe, and configured to release heat energy generated from the water-cooled power supply part to an exterior environment.

The invention relates to an intelligent refrigeration control method based on dynamic computing power distribution, electronic equipment and a computer storage medium. The method comprises the following steps: acquiring a whole-network multi-dimensional data stream, acquiring data in real time through a distributed sensor network, and performing multi-source data fusion and space-time alignment to form a monitoring data set; according to the monitoring data set, a temperature field is generated based on computational fluid dynamics (CFD), and through automatic closing of a cold and hot channel, the air supply amount is adjusted to be matched with a thermal load; predicting a high-load area based on a load prediction model, and dynamically migrating computing power to a low-temperature area or dormant redundant nodes in combination with real-time temperature distribution; a multi-target optimal regulation and control model is constructed, and based on reinforcement learning, the coupling relation among the IT load, the environmental parameters and the refrigeration power consumption is continuously optimized; through energy consumption statistics and analysis, automatic early warning is carried out on abnormal energy consumption and local overheating, and a thermal anomaly area is dynamically displayed through a multi-dimensional chart. According to the invention, deep collaboration of the computing power of the data center and the refrigeration system is realized.

The invention relates to the technical field of power equipment, in particular to an intelligent thermal management system for a cleaning robot, which comprises a state sensing unit, a risk assessment unit, a thermal state calculation unit, a data decision unit, an execution unit and a feedback correction unit, and is characterized in that the state sensing unit is used for acquiring internal temperature and humidity and key component temperature; the risk assessment unit calculates the characterization values of the dew formation trend and the overheating trend; the thermal state calculation unit quantifies the overall thermal state of the system; the data decision-making unit determines the actual adjustment amount of the heating and cooling power according to the parameters; the execution unit comprises a heating module, a cooling module and a load management module and correspondingly adjusts output power. And the feedback correction unit corrects the thermal state according to the operation deviation. According to the invention, through multi-parameter fusion decision and dynamic power adjustment, collaborative management of heat dissipation and condensation prevention is realized, and the working reliability of the cleaning robot in a severe environment is improved.

The invention relates to a cooler for cooling power semiconductors by means of a cooling fluid, comprising a cover plate, which can be provided on a power semiconductor; a channel plate, which is designed to form, together with the cover plate, a closed cooling channel for the cooling fluid; an insert, which is provided in the cooling channel, said insert being designed to increase the contact surface between the cooling fluid and the cooler; and a stiffening plate, which lies opposite the cover plate on a connection surface on the channel plate, said stiffening plate having a specified thickness which is designed to adapt the stiffness of the cooler in order to allow a constant stiffness for different cooling channel geometries.

The present invention relates to a cooling fin arrangement (1) of a cooler, through which fluid can flow, for cooling power electronics (200). The cooling fin arrangement (1) comprises at least one cooling fin (10), which is formed from a wave profile that periodically repeats in a direction of repetition (501), the direction of repetition (501) being perpendicular to a flow direction (500). The invention also relates to a cooler, through which fluid can flow, for cooling power electronics (200), the cooler comprising a cooling fin arrangement (1) of this type, and to a power electronic assembly (1000), comprising power electronics (200) and a cooler (100) of this type, through which fluid can flow.

The application discloses a transformer operation state monitoring and fault early warning method based on state index calculation, relates to the technical field of transformer operation state monitoring, and aims to solve the problem of reduced accuracy of potential fault identification. In the transformer operation process, winding temperature is collected to calculate temperature rise trend and monitor vibration state, vibration frequency is obtained, operation stress coefficient is calculated in combination with the temperature rise trend and the vibration frequency, the electric conductivity of insulation oil in the oil circulation pipeline is detected, the state index is generated by comprehensively considering the electric conductivity and the operation stress coefficient, and the transformer operation state is classified accordingly. When the state is warning, multiple groups of different cooling powers are inputted, the monitoring time is set, the corresponding radiator outlet air temperature is collected, the power change amount and the outlet air temperature difference change amount are calculated after the cooling powers are sorted, the heat dissipation characteristics are comprehensively evaluated, and it is judged whether a fault warning signal is generated, so that early warning of potential faults of the transformer is realized, and operation safety and reliability are improved.

The present invention relates to a fluid-permeable cooler (100) for cooling a power module (208) that comprises a power substrate. The fluid-permeable cooler (101) comprises a first metal part (101), a second metal part (102) and a cooling structure (1). The first metal part (101) and the second metal part (102) are interconnected by means of a soldering process and define a cooling channel (111) which is permeable by a fluid and in which the cooling structure (1) is located.The first metal part (101) comprises a receiving region (109) to which the power module (208) can be attached. The first metal part (101) is made from a metal material which has an expansion coefficient that is greater than the expansion coefficient of the power substrate (208). The invention also relates to a power electronics assembly (1000) having a cooler (100) of this kind and a power module (200).

Program workload hints are sent from a processor to a sub-ambient cooling controller at or before the start of the program to enable the sub-ambient cooling device so that required cooling of the processor integrated circuit is anticipated before a significant temperature rise in the processor occurs. Program workload hints are used instead of processor temperature so that thermal lag is reduced, thereby reducing processor temperature rise. In addition, power to the sub-ambient cooling device may be turned off near or at completion of the program to minimize cooling power used. Multiple processors may share sub-ambient cooling device fans during thermal load diversity of the processors running programs at different times.

A cooling device cools a power semiconductor device. The cooling device includes a tank that accommodates a power semiconductor device, insulating oil, and a refrigerant liquid having a boiling point temperature lower than a boiling point temperature of the insulating oil and a specific gravity larger than a specific gravity of the insulating oil. The insulating oil and the refrigerant liquid are stored in the tank in a mixed state to cool the power semiconductor device.

The invention discloses a double-circulation liquid-cooled power battery thermal management system and a control method, and relates to the technical field of power battery thermal management, the system comprises a thermal management platform, and the thermal management platform is in communication connection with the following modules: a data acquisition and analysis module, which is used for collecting battery basic data associated with a thermal generation rate, performing preprocessing to form a comprehensive data set; and the heat generation rate prediction module is used for collecting battery historical data and environment temperature parameters. According to the method, the battery historical data and the environment temperature parameters are combined, the LSTM neural network is utilized to construct the data driving model, the battery heat generation rate in the future 5-10 minutes is predicted, the system can start the cooling or heating function 1-2 minutes ahead of time based on the prediction result, passive response is converted into active prediction, and the prediction efficiency is improved. Therefore, the system can deal with the change of the thermal state of the battery more timely, the problem of local temperature overrun caused by slow response speed is avoided, and the safety and stability of the battery are improved.

The invention is suitable for the technical field of energy management of new energy automobile power systems, and provides an intelligent energy consumption optimization method and system for a new energy automobile power system.The method comprises the steps that needed pre-cooling energy is calculated based on the pre-cooling power adjustment amount, and when a target vehicle starts to decelerate and enters a shielded vehicle following working condition, the pre-cooling energy is calculated according to the pre-cooling power adjustment amount; and the part, used for meeting the precooling energy, in the brake recovery energy generated in the process is directly distributed to a compressor through a direct-current bus, so that the precooling power adjustment amount is achieved. Active optimization of the energy flow of the power system is achieved, the energy utilization efficiency of the whole vehicle is effectively improved, the battery energy consumption is reduced, the cruising ability is prolonged, and meanwhile the stability and reliability of the power system under the cold chain transportation working condition are improved.

The invention, which relates to the technical field of the charging pile, discloses an integrated liquid cooling system charging pile comprising a pile body and a power module arranged in the pile body. The liquid cooling system is arranged in the pile body, the liquid cooling system comprises a liquid cooling box and a heat dissipation mechanism, the liquid cooling box is connected to the power module through a cooling pipe so as to cool the power module, liquid flows back to the liquid cooling box through a liquid return pipe, and the heat dissipation mechanism is located between the liquid return pipe and a connecting part of the liquid cooling box; the flow guide mechanism is arranged on the pile body, the flow guide mechanism comprises an air inlet and an air outlet which are formed in the pile body, an air inlet fan and an air outlet fan are arranged in the air inlet and the air outlet respectively, and the opening direction of the air inlet and the opening direction of the air outlet are obliquely arranged relative to the vertical side face of the pile body. According to the invention, liquid cooling and air cooling cooperative heat dissipation is adopted, while active liquid cooling is carried out on the power module, directional air flow is utilized to carry out auxiliary air cooling on the power module, and the heat dissipation efficiency is improved.

The invention discloses a power battery liquid cooling temperature judgment method and system. The method comprises the following steps: collecting current data of a power battery, judging the charging and discharging state of the power battery, and calculating and outputting working state data; state data of the power battery and the cooling liquid are collected, and a state parameter set is obtained; analyzing the state parameter set and the working state data to obtain a temperature change trend parameter, and calculating and outputting a temperature state score; a historical temperature database is preset, the temperature state is compared with the historical temperature database, and a temperature judgment result is output. The method is used for solving the technical problems that in the prior art, temperature judgment is difficult to adapt to complex and changeable operation working conditions of a power battery, and the high-precision temperature management requirement cannot be met.

The invention discloses an automatic efficient cooling electric power electrical control cabinet, and relates to the technical field of electronic power component manufacturing, the automatic efficient cooling electric power electrical control cabinet comprises a main body cabinet, side supports are fixedly mounted on the two sides of the interior of the main body cabinet, a mounting rack is mounted between the two side supports, and a heat dissipation assembly is mounted on the rear side of the main body cabinet. A telescopic rod is driven by telescopic control equipment to drive an adjusting plate to move, and a fitting frame can be automatically adapted according to the actual position of a component on a mounting frame under the cooperation of a reset spring and a fixed clamping plate: when the fitting frame makes contact with the component, under the limiting effect of the component, the fitting frame is finely adjusted through the reset spring and triggers a closed adjusting piece to be opened, and then the component is attached to the fitting frame; the heat generated by the components is directly discharged by the heat dissipation module through the communication port, the fixed clamping plate and the heat dissipation air cavity, so that point-to-point accurate cooling is realized, local heat accumulation is avoided, and the heat generated by the components can be effectively prevented from spreading and diffusing in the cabinet to influence other components.

A system for providing mechanical and / or electric power from heat power. A heat medium is arranged in a flow circuit comprising: a condensation channel, a pump channel, an evaporation channel and a turbine channel, substantially in a Rankine cycle. Heating power is provided for evaporation of the heat medium and cooling power is provided for condensation of the heat medium. The pump channel is arranged in the liquid phase portion and a turbine device is arranged in the gas phase portion. The pump channel generates a pressure due to the rotation. The turbine channel comprises a turbine device. The flow circuit is closed so that no heat medium may escape to the surroundings.

The invention discloses cutting equipment with a cooling function for metal processing, and relates to the technical field of cutting equipment.The cutting equipment comprises a rack, a moving mechanism is installed on the rack, a cutting mechanism is installed on the moving mechanism, and a cooling mechanism matched with the cutting mechanism is installed on the moving mechanism; the device comprises a rack, a workbench is installed on the rack, a plurality of liquid leakage holes are formed in the workbench, a filtering mechanism is installed at the position, located below the workbench, in the rack, and a processing mechanism matched with the filtering mechanism is installed on the rack. The full-process collaborative optimization of cutting, cooling and waste liquid recycling and filtering is achieved, an additional cooling power source is not needed, the structure is simple, energy consumption is low, cooling uniformity and machining precision are high, the cooling liquid recycling rate is high, the maintenance period is long, and diversified metal machining requirements are met.

This invention discloses an automatic opening and closing air vent and cooling cabinet based on zoned temperature within the cabinet, belonging to the field of electrical equipment heat dissipation technology. The air vent includes components such as a base, crankshaft, movable air baffle, and electromagnet, achieving precise 90° opening and closing via electromagnet drive. The movable air baffle can be either perforated or non-perforated, depending on requirements. The cooling cabinet includes the aforementioned air vent, cooling fan, air duct, cabinet body, and temperature controller. The cabinet body is divided into multiple independent chambers, each equipped with an air vent and temperature probe. The temperature controller automatically controls the opening and closing of the air vent based on the chamber temperature. This invention enables precise and concentrated delivery of cold air to high-temperature areas, solving the problems of inaccurate heat dissipation, high cost, and low efficiency of existing cooling cabinets. It improves cooling efficiency, reduces cooling power requirements, and features a simple, reliable, and easy-to-maintain system, making it suitable for local deployment scenarios of electrical equipment with high heat dissipation requirements, such as AI hardware.

The application provides a performance testing device and testing method for a liquid-cooled power supply, the performance testing device comprising: a first liquid storage tank for storing cooling liquid; a second liquid storage tank for placing a testing power supply; and a pipeline assembly comprising a pipeline and a hydraulic element arranged on the pipeline, the pipeline being arranged between the first liquid storage tank and the second liquid storage tank; wherein when the performance testing device tests the testing power supply, the hydraulic element is started to enable the first liquid storage tank and the second liquid storage tank to realize the flow of the cooling liquid through the pipeline, so that the testing power supply is in the cooling liquid environment of the second liquid storage tank. Thus, the performance testing result of the liquid-cooled power supply can be closer to the actual performance of the testing power supply under actual operation conditions, so that the testing result is more scientific and convincing.

This application relates to the field of industrial air conditioning, specifically a temperature and humidity gradient sensing-based self-regulating industrial variable frequency air conditioning system. The system includes an outdoor heat exchange unit, a refrigeration unit, a multi-stage air duct delivery unit, a terminal airflow regulation unit, a distributed environmental sensing unit, and a core controller. The outdoor heat exchange unit is coupled to the refrigeration unit via a circulating refrigerant pipeline, and its core function is to exhaust the heat generated by the refrigeration unit to the outdoor environment to cool the circulating refrigerant. The refrigeration unit includes a compressor, a variable frequency drive motor to drive the compressor, and cold air outlets for generating cool air. This system aims to acquire temperature and humidity gradient information for different areas within the factory through a distributed environmental sensing network, and, combined with the system's own operational status data, to perform multi-stage coordinated closed-loop regulation of airflow distribution, airflow direction, and cooling power. This achieves efficient, uniform, and adaptive control of the temperature and humidity field within the factory space, and improves the system's overall energy efficiency and operational stability.

The invention relates to a method for determining a cooling power of a cooling system (4) of a battery pack (2), comprising the following steps: - determining a predefined calibration profile (10); - applying the calibration profile (10) to the battery pack (2); - determining a reference temperature of the battery pack (2); - activating the cooling system (4); - determining a cooling saturation temperature of the battery pack (2); - comparing the cooling saturation temperature and the reference temperature in order to determine the cooling power. The invention also relates to a cooling system (4) of a battery pack (2), comprising a control unit (6) which is designed to carry out the method according to the invention and which controls at least one pump unit (8) in order to deliver coolant within the cooling system (4).

The invention provides a driving device and an electric vehicle, a shell of the driving device is used for accommodating a motor controller, and the motor controller is used for being electrically connected with a power battery of the electric vehicle and used for being electrically connected with a stator winding of a generator of the electric vehicle or a stator winding of a driving motor. A power module of the motor controller is fixed to the inner wall of the shell. Wherein a part of the inner wall of the shell is used for enclosing the heat dissipation plate to form a heat dissipation flow channel, the heat dissipation plate is stacked between the power module and the part of the inner wall of the shell, and the heat dissipation flow channel is used for circulation of cooling liquid and cooling of the power module. A part of the inner wall of the shell used for containing the motor controller is reused to enclose the heat dissipation plate to form the heat dissipation flow channel for cooling the power module, so that structural parts forming the heat dissipation flow channel can be reduced, the arrangement between the shell and the power module is more compact, the size of the driving device in the stacking direction of the heat dissipation flow channel and the power module can be reduced, and the service life of the driving device is prolonged. The miniaturization of the driving device is facilitated, and the layout of the driving device in the whole vehicle is facilitated.

The utility model discloses a sterilization device for sea-buckthorn primary pulp, which comprises a sterilization heating box, two heat insulation plates are welded in the middle of an inner cavity of the sterilization heating box, the inner cavity of the sterilization heating box is divided into three continuous spaces, namely a heating cavity, a connecting cavity and a sterilization cavity, and a spiral heating pipe is fixedly mounted in the heating cavity; and a spiral sterilization pipe is fixedly mounted in the sterilization cavity. According to the utility model, the temperature of primary pulp is raised to 90 DEG C in a short time through the spiral heating pipe, so that the heating efficiency is improved; microorganisms in the primary pulp are fully killed through the spiral sterilization tube, and heat-sensitive nutritional ingredients are prevented from being damaged by high temperature for a long time; rapid cooling of the primary pulp is achieved through the cooling pipe, and secondary damage to nutrition caused by continuous heat action is reduced; the multiple temperature sensors monitor the temperature in the heating, sterilizing and cooling stages in real time, the feeding speed, the water suction pump power, the heater temperature and the semiconductor refrigeration power are dynamically adjusted in combination with the industrial computer, and whole-process precise temperature control is achieved.

The application discloses an integrated 3D printing galvanometer system and belongs to the field of additive manufacturing. Aiming at the problems existing in the traditional 3D printer galvanometer, such as large volume caused by the outer shell and the cooling system, light field splicing deviation caused by installation and debugging difference, high cooling power consumption, pipeline complexity and easy leakage, and condensate water damage to equipment in high humidity environment, etc. The system of the application contains a galvanometer, a laser head array, a fixed base plate and other components. The galvanometer contains X and Y sub-galvanometers arranged vertically, and a laser head. Each component is fixed on a high-precision fixed base plate. The shell is sealed, one side of the metal surface is provided with an inner and outer fan and a cooling device (such as a semiconductor heat sink), and a detachable and replaceable desiccant box is further arranged. The application has the beneficial effects of compact volume, low energy consumption, high splicing precision and condensation prevention, and is suitable for medium and large 3D printers using multiple galvanometers.

The invention provides a heat exchange cooling power generation device which mainly utilizes a heat exchanger, a chimney, a wind driven generator and energy storage equipment to complete cooling and power generation, and waste heat recovery and zero-carbon energy are achieved. The heat exchanger is used for heating air and cooling high-temperature materials; the hot air generates wind power in the wind power pipeline, and the wind power pushes the wind power generator to generate power; the larger the temperature difference is, the larger the wind power generated by the wind power pipeline is, and the more the generated power is.

The application discloses a central heat source type water electrolysis hydrogen production waste heat recovery system and a recovery method, and belongs to the field of water electrolysis hydrogen production energy saving. The application is provided with multiple independent water electrolysis hydrogen production units matched with a unified central waste heat recovery and circulating heat exchange unit. The heat exchange medium centrally collects the waste heat carried by the electrolyte of all electrolytic cells, and the waste heat grade is raised through a compressor. The high-temperature and high-grade heat exchange medium can be distributed to a steam boiler for power generation, high-salt wastewater concentration treatment and other heat supply scenes. In addition, the waste heat recovery system of the application is matched with high and low temperature double group regulating valves, which can flexibly distribute the heat supply of each waste heat equipment, and can independently regulate and control the heat extraction of each water electrolysis hydrogen production unit and stabilize the electrolysis temperature. The application cancels the independent cooling equipment of each water electrolysis hydrogen production unit, greatly reduces the equipment investment and cooling power consumption, realizes the resourceful and high value utilization of the originally directly discharged electrolysis waste heat, significantly improves the comprehensive energy utilization rate of the system, and is suitable for the popularization and application of megawatt to gigawatt scale green hydrogen projects.

This invention discloses a closed-loop control system and method for the internal temperature of a rotating component based on temperature calibration. The method includes: collecting the operating parameters, structural property parameters, and actual internal temperature values ​​of the rotating component under laboratory conditions, constructing a dataset and dividing it into a training set and a test set; constructing a multivariate nonlinear regression model based on the first law of thermodynamics and Fourier's law of thermal conduction, fusing the operating parameters and structural property parameters; optimizing the model parameters using the training set and evaluating the model accuracy using the test set; in actual operation, collecting the operating parameters and structural property parameters in real time, inputting the optimized model to calibrate the internal temperature in real time; using the calibrated temperature as a feedback signal, dynamically adjusting the PID control parameters according to the rotational speed to regulate the cooling power, thus achieving closed-loop control. This invention achieves non-invasive real-time calibration of the internal temperature by constructing a multivariate nonlinear regression model and dynamically adjusting the PID parameters according to the rotational speed conditions, realizing precise temperature control and energy efficiency optimization.