200 results about "Thermal control system" patented technology

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 AI-based server power consumption dynamic optimization and cooperative heat dissipation control system, which belongs to the technical field of computer system optimization, and comprises a multi-source data acquisition module for acquiring server hardware, machine room environment and heat dissipation equipment data in real time through a distributed sensor and a software probe; the AI intelligent analysis and decision module constructs a hybrid intelligent framework, extracts multi-dimensional features to predict power consumption and temperature trends, and generates a comprehensive optimization decision; the power consumption dynamic adjustment module adjusts hardware parameters and cooperates with process scheduling; the cooperative heat dissipation control module dynamically adjusts heat dissipation equipment; and the running state monitoring and feedback module monitors data, compares the data with a threshold value, and performs early warning and feedback in case of abnormality. Through multi-module collaboration and AI enabling, intelligent dynamic collaborative management of power consumption and heat dissipation is realized, data acquisition is accurate, power consumption is balanced, operation cost and energy consumption are reduced, and requirements of data centers of different scales are met.

The invention provides a high-power electric heating fused salt heat storage control system which comprises a fused salt electric heating and electric heat tracing device and a central control unit, and the central control unit is directly connected with a core control system for electric heating power dynamic adjustment, fused salt temperature gradient control, electric heat tracing pipeline safety protection and the like. The method comprises the following steps: firstly, based on power grid frequency deviation, generating an electric heating power instruction through droop control and a dead zone link; secondly, establishing a fused salt temperature-flow-power kinetic equation, and identifying a nonlinear surge excitation source; and finally, designing a flexible voltage source type converter control law of the electric heat tracing power supply by adopting an all-drive control theory, directly counteracting a nonlinear term of the system, and converting an original equation into a linear stable system. According to the method, the influence of nonlinear factors on surge and other phenomena is eliminated, the surge problem of small-mass and small-flow fused salt is effectively solved, and the energy efficiency and reliability of the system are improved.

The invention belongs to the technical field of aluminum-silicon-based metal materials, and particularly relates to a high-thermal-conductivity composite metal material and a preparation method and application thereof, and the high-thermal-conductivity composite metal material is suitable for heat dissipation requirements of 5G communication equipment, electric vehicle power batteries, spacecraft thermal control systems and the like. A nanocrystalline aluminum alloy matrix is formed by aluminum, magnesium, silicon, scandium and other metal elements, and the problems of anisotropy, obvious thermal response lag, obvious poor cycling stability, boiling critical phenomenon and the like do not exist; meanwhile, the nanocrystalline aluminum alloy matrix comprises a high-density dislocation grid, so that the overall heat transfer efficiency is further improved; in addition, a micro-channel is formed in the nanocrystalline aluminum alloy matrix, liquid metal is poured into the micro-channel to serve as a phase change working medium, and therefore the synergistic effect of active heat transportation and passive heat conduction is achieved. The catalyst layer is used for promoting evaporation-condensation circulation of liquid metal and strengthening phase change heat transfer of a liquid metal working medium; the interface bonding and wettability are enhanced, and the attachment of liquid metal and the channel wall is improved; and phase change working medium oxidation and side reaction are inhibited.

The invention relates to the technical field of thermal control of spacecrafts, and discloses a satellite battery phase change thermal control system based on Joule thermal effect and high-orientation heat conduction framework cooperative regulation, and the system is characterized in that a resistance heating unit, a high-orientation graphene heat conduction framework and a composite phase change material are tightly coupled; and bidirectional temperature adjustment of the spaceflight lithium ion battery in an extreme temperature environment is realized. When the battery needs to be heated at low temperature, the resistance wire is electrified to generate heat, the heat is quickly and uniformly diffused by virtue of ultrahigh thermal conductivity in the oriented graphene film surface, and a heating network is constructed; when heat dissipation is needed at high temperature, the composite phase change material absorbs heat and stores energy through solid-liquid phase change, and the high-orientation heat conduction framework guides heat to be directionally conducted to the water cooling plates on the two sides, so that a heat dissipation channel is formed. By means of the synergistic effect of electric-heat conversion and directional heat conduction, rapid uniform-temperature heating and directional dredging heat dissipation of the battery are achieved, the problem that a traditional aviation lithium battery is low in heat management efficiency is solved, and the temperature adaptability and working stability of a battery system are improved.

The invention relates to the technical field of space satellite thermal control, in particular to a space satellite thermal control system based on self-adaptive thermal transport, which comprises a thermochromic intelligent thermal control coating coated on the whole outer surface of a space satellite, the variable-direction active heat compensation pump loop is arranged in the space satellite; the variable-direction active heat compensation pump loop is arranged between the satellite main illuminated face and the satellite main nightside and used for conducting heat transfer between the satellite main illuminated face and the satellite main nightside. The structure is simple, a basic frame of a heat control system is built, through cooperation of coating covering and a heat pump loop, regulation and transfer of satellite surface heat are preliminarily achieved, the temperature difference of the satellite outer surface is effectively reduced, the temperature uniformity of the outer surface is improved, effective guarantee is provided for a space satellite to avoid detection of an infrared detector, and the application range is wide. And the space satellite is safer and more hidden.

The invention provides a battery heating control system, method and device, electronic equipment and a storage medium. The system comprises a refrigerant loop, a cooling liquid loop and a controller, the cooling liquid loop comprises a first valve as well as a battery branch, a motor branch, a battery cooler branch, a condenser branch and a low-temperature radiator branch which are connected to the first valve; the refrigerant loop comprises a compressor and a third electronic expansion valve connected to the two ends of the compressor in parallel. A cooler in the battery cooler branch and a condenser in the condenser branch are connected in series and then are connected to the two ends of the compressor; the controller is used for controlling the conduction state of the first valve and the state of the third electronic expansion valve when it is detected that the battery needs to be heated. Various battery heating modes are achieved by controlling the first valve and the third electronic expansion valve, the battery heating device adapts to diversified use scenes, the heating efficiency can be improved, dependence on a heater is avoided, the cost is effectively reduced, and the endurance mileage of the vehicle under the low-temperature condition is increased.

The application relates to a Mars spacecraft temperature control system and method, and relates to a temperature control system and method. In order to solve the problem that an existing Mars spacecraft temperature control system cannot guarantee accurate planning and flexible operation of the Mars spacecraft under the condition of limited energy budget, cannot maximize temperature control energy, and cannot meet the corresponding allowable temperature limit of different temperature control modes in a variable temperature control scene, the temperature control system comprises a base station subsystem, a spacecraft subsystem and an operating environment system; the base station subsystem is composed of a first temperature measurement module, a first temperature adjustment module and a base station control module; and the spacecraft subsystem is composed of a second temperature control module, a second temperature adjustment module and a spacecraft control module. The application belongs to the technical field of spacecraft thermal management.

A thermal control system for a battery system includes a heating control module configured to generate an alternating current (AC) heating current and heat the battery system to a desired temperature by applying this AC heating current. The heating control module is configured to control the shape of the AC heating current to cause a component of the battery system to emit a selected sound pattern with a chosen frequency, amplitude, and shape.

The utility model discloses a new energy heat control system's liquid inlet module and the fluid connector of using it. The fluid connector's liquid inlet module includes plug shell, a plurality of liquid inlet pieces and anti -loose subassembly, is equipped with the axial positioning guide slot in the first axle hole of a plurality of first axle holes of plug shell, and the radial lug of liquid inlet piece is connected positioning guide slot and is positioned shoulder and is pasted the inner chamber wall of plug shell, and the self -locking closure of liquid inlet piece can be pushed by external force and make liquid enter, and anti -loose subassembly includes screw hole block, anti -loose gasket and lock connecting piece, and the outer wall of screw hole block is equipped with a plurality of horizontal perforation, and screw hole block connects screw thread section and makes anti -loose gasket closely and pastes the front end wall of plug shell, and lock connecting piece passes through the perforation of adjacent screw hole block and both ends head locking forms the fixed ring, thereby forms the reliable connection structure of double anti -loose. The utility model has the effect that fastening reliable connection, long -term use has no leakage, and the high flow rate liquid cooling phenomenon is suitable.

A fluid thermal control system for a gas turbine engine is provided. The gas turbine engine has a compressor section and an engine fluid source that produces a flow of engine fluid. The fluid thermal control system includes an airflow inlet, an airflow outlet, a heat exchanger, an airflow inlet valve, and a bleed air valve. The heat exchanger permits heat transfer between a heat exchanger airflow and the flow of engine fluid. The airflow inlet valve permits the airflow from the source of airflow to engage with the heat exchanger as at least part of the heat exchanger airflow. The bleed air valve is controllable between closed and open configurations. The bleed air valve is in communication with the compressor section and is configured to receive compressor bleed air. In the open configuration, the bleed air valve allows compressor bleed air to engage with the heat exchanger.

This invention relates to an intake air preheating control system for electronically controlled diesel engines used in special vehicles, comprising an engine controller (ECU), a liquid heater, a battery, a liquid heater switch, a relay, and a grille heater. The invention also relates to a control method, comprising the steps of: acquiring coolant temperature, intake air temperature, and atmospheric pressure; calculating a weighted temperature and preheating time; comparing the weighted temperature with a coolant temperature threshold at the end of boiler heating; checking the liquid heater switch closure signal; determining whether the liquid heater should exit the heating process; allowing intake air preheating; setting the preheating time; performing intake air preheating; and ending preheating. This invention effectively improves the cold-start performance of electronically controlled diesel engines in low-temperature environments below -35°C and saves battery power.

The invention relates to the technical field of intelligent management of power generation enterprises, in particular to an on-line cooperative heat supply control system and method of a cooperative network system.The cooperative network system is composed of a plurality of heat supply units and comprises a collecting part, a data processing part and a data processing part, heat supply data and environment temperature change data of each unit and power grid load change data of the collaborative network system are collected; and the control part is used for identifying the actual state of each unit based on the heat supply data, the environment temperature change data and the power grid load change data, forming an optimal combination scheme under various heat supply modes and peak regulation modes, generating an online cooperative heat supply control instruction and controlling each unit to work. Therefore, the problems that in the related technology, a peak regulation means only focuses on deep peak regulation, the unit tip peak capacity is weakened, an online cooperation scheme is lacked after multi-mode transformation, then the deep peak regulation and the high rated load output capacity need to be considered in flexible transformation of the heat supply unit, and it is difficult for a power generation enterprise to achieve economic benefit maximization through cooperation are solved.

This invention discloses an instant hot water supply control system and its control method, comprising a water tank, a main water supply pipe, and a return water pipe. Multiple tiered branch pipes are connected in parallel to the main water supply pipe, each tiered branch pipe is connected to several user branch pipes, and each user branch pipe is connected to several water usage points. Each water usage point is equipped with an electrically controlled valve, a hot water pipe, a tap water pipe, and a water outlet. The system controls the water flow through the electrically controlled valve. When hot water is needed, the electrically controlled valve connects the hot water pipe to the tap water pipe, pushing the cold water in the hot water pipe in reverse direction until all the cold water in the pipes between the tiered inlets and the water usage points is pushed back into the tap water pipe. After the hot water fills the space created by the released cold water, the electrically controlled valve disconnects the hot water pipe from the tap water pipe, and the user can then turn on the tap to get hot water. This is a convenient and comfortable hot water supply system device with a good user experience, and it is also environmentally friendly and energy-saving.

The utility model relates to the technical field of heat sinks, in particular to a low-flow-resistance nitrogen expansion plate heat sink, which comprises a cylinder body, two groups of liquid inlet assemblies and two groups of liquid collecting assemblies, the liquid inlet assembly comprises a liquid inlet pipe, two shunt pipes and a three-way pipe; the two flow dividing pipes are located on the same axial side of the barrel in parallel and communicate with the two expansion plates located on the same side correspondingly. The two flow dividing pipes are communicated with the liquid inlet pipe through a three-way pipe, and the airflow direction in the flow dividing pipe far away from the liquid inlet pipe is consistent with the airflow direction in the liquid inlet pipe; a rectification section is arranged in the three-way pipe; the liquid collecting assembly comprises a liquid outlet pipe and two collecting pipes, and the two collecting pipes are located on the same side of the axial direction of the cylinder body in parallel and communicate with the two expansion plates located on the same side correspondingly; according to the utility model, the uniformity of temperature distribution in the heat sink can be ensured, the local overheating or supercooling phenomenon can be effectively avoided, and the stability and reliability of the whole thermal control system can be improved.

A method and system for estimating a temperature of a clutch and a maximum temperature of a clutch are described. In one example, the maximum temperature of the clutch is based on phases of a transmission gear shift. The transmission gear shift may include a power-on downshift and a power-on upshift.

The invention relates to a cylindrical array fin evaporator, the evaporator comprises an evaporator upper plate and an evaporator lower plate, the evaporator lower plate is provided with a fin array, the fin array is cylindrical, and the evaporator upper plate comprises an inlet, a working medium shunting section, a manifold drainage plate, a working medium converging section and an outlet; the cylindrical array fins are located in the middle of the evaporator lower plate and extend upwards, and the positions of the cylindrical array fins correspond to the positions of the manifold drainage plates in the evaporator upper plate. The novel manifold evaporator is arranged, the cylindrical array fins are adopted in the manifold evaporator, the working medium can flow along the fins, and the heat exchange efficiency of the new energy automobile thermal control system is further improved.

The application discloses a kind of modular molten salt energy storage steam heat release control method and system, it is related to molten salt energy storage technical field, including establishing the BP neural network model of modular molten salt energy storage heat release control system, training BP neural network model;Definition is normalized after output error, according to output error analysis BP neural network model;Variable rate adjustment technology is used to process the BP neural network model after analysis, establish the mathematical model of actual object opposite to it, complete the steam heat release control of modular molten salt energy storage.The application effectively improves the steam heat release control precision and response speed of modular molten salt energy storage system, ensures the stability and reliability of control system, realizes fine control to molten salt pump frequency, optimizes the heat exchange process of molten salt and water vapor, significantly improves the overall efficiency of energy storage system, reduces energy loss.

The application relates to a new energy automobile "three-electricity" thermal control system based on a loop heat pipe in the technical field of new energy automobile thermal management, which comprises three-electricity components and a loop heat pipe; the three-electricity components comprise an electric drive, an electric control and a battery pack; the loop heat pipe comprises an evaporator assembly, a main condenser, a secondary condenser, a cold plate assembly, a pipeline system and a stop valve; the cold plate assembly comprises an electric control cold plate group and a battery pack cold plate group. The loop heat pipe in the application forms a self-adapting passive phase change heat transfer two-phase fluid loop in the three-electricity components, does not need to provide additional power consumption by a pump, has better energy-saving effect, only needs to control the temperature of a liquid accumulator, and has simple control logic; the system thermal resistance is small, and the temperature uniformity can be guaranteed to be within 1 DEG C.

This invention provides a compressed air energy supply system and method. The system includes a compressor unit, a first heat exchanger, an air storage device, a heat storage device, a heating device, a regenerative unit, and a control system. The control system comprises an independently controlled air storage control system and a heat storage control system. The compressor unit, the first heat exchanger, the air storage device, and the heat storage device are connected to form a heat storage circulation loop. The heating device is connected to the heat storage device via a heat release pipeline. The regenerative unit recovers the return water from the heating supply and / or the waste heat from the motor cooling to preheat the air drawn into the compressor unit. This invention employs a gas-heat decoupling method, storing the pressure potential energy and compression heat of compressed air separately, achieving independent and flexible control of gas and heat supply in terms of time and scale. Simultaneously, the regenerative unit utilizes internal low-grade waste heat to preheat the intake air in stages, further increasing the compressed exhaust temperature through the heat pump effect, significantly improving the overall energy utilization efficiency of the system.

Systems and methods can provide a serial fluid flow loop in a liquid-assisted air-cooled thermal control system in order to balance thermal gradients in the thermal control system.

A heating control circuit, a heating control system, and a vehicle. The heating control circuit comprises an input sub-circuit and a driving sub-circuit. The input sub-circuit is configured to receive a first control signal, to be turned on in response to the first control signal, to output a second control signal, and to be turned off in response to not receiving the first control signal. A first end of the driving sub-circuit is connected to a heating member, the heating member is connected to a power supply end, a second end of the driving sub-circuit is connected to a first ground end, and a third end of the driving sub-circuit is connected to the input sub-circuit to receive the second control signal. The driving sub-circuit is configured to be turned on in response to a second control signal, so that a path is formed between the power supply end and the first ground end, or to be turned off when the input sub-circuit is turned off.

The invention discloses a liquid metal passive self-driven thermal control system and method based on thermoelectric effect and magnetic field cooperation, and belongs to the technical field of thermal control of electronic equipment. The two end faces of the thermoelectric module are tightly attached to the heating device and the cold plate respectively. The thermoelectric module comprises a ceramic substrate, and an electrode is electroplated on the surface of the ceramic substrate; between the ceramic substrates, the thermoelectric crystal grains are electrically connected in series and thermally connected in parallel to form a columnar array, the columnar array is welded on the electrodes, and an external wire is welded. The electrode is embedded into the wall surface of the cold plate and connected with the output end of the thermoelectric module, the potential difference generated by the thermoelectric module is applied to the electrode, and current is formed in the liquid metal; the liquid metal working medium is sealed in the cold plate, the electrified liquid metal working medium is subjected to the effect of Lorentz force under the effect of an external magnetic field, liquid metal is driven to flow in one direction, and heat exchange is enhanced. Reliable technical support is provided for efficient heat dissipation of the electronic equipment.

This application belongs to the field of heating station heat load prediction technology, and particularly relates to a method, system, equipment, and medium for dynamic compensation prediction of heating stations under extreme weather conditions. The method includes: acquiring current multi-source real-time meteorological data; analyzing the multi-source real-time meteorological data based on an early warning algorithm; determining whether an extreme weather warning has been triggered based on the analysis results; if the determination result indicates that an extreme weather warning has been triggered, calculating the building thermal inertia correction factor for the target heating area; obtaining historical compensation strategies based on a historical similar scenario matching mechanism; calculating a dynamic compensation coefficient by combining the weather warning level, the building thermal inertia correction factor, and the historical compensation strategy; and correcting the basic heat load prediction value based on the dynamic compensation coefficient to generate a final heating load prediction result; and sending the final heating load prediction result to the heating control system to adjust the heating output. This application improves heating quality.

A system for a gas turbine engine includes a gearbox including a coolant inlet, a coolant outlet, and a metal portion, a first coolant supply line in fluid communication with the coolant inlet of the gearbox, a first temperature sensor in thermal communication with the first coolant supply line, a second coolant supply line in fluid communication with the coolant outlet of the gearbox, a second temperature sensor in thermal communication with the second coolant supply line, a third temperature sensor in thermal communication with the metal portion of the gearbox, a bypass line coupling the first coolant supply line to the second coolant supply line, a bypass valve disposed at a junction of the second coolant supply line and the bypass line, and a controller configured to actuate the bypass valve.

The invention relates to the technical field of heat dissipation control, in particular to a server heat dissipation control system which comprises a high-precision real-time temperature acquisition module, an intelligent heat dissipation control core module, a heat dissipation execution driving module and a heat dissipation parameter adjustment increment dynamic optimization module. After the driving signal is output, the change rate of a plurality of continuous sampling points is calculated, and the change trend of the real-time temperature in the server after the heat dissipation equipment is driven is analyzed; setting a sampling interval, constructing a temperature sequence, and calculating a temperature change rate in the temperature sequence; setting a rate threshold value, adjusting an increment, and adjusting parameters of the current heat dissipation equipment; if the temperature change rate in the temperature sequence is smaller than the rate threshold value, the heat dissipation execution driving module calculates adjacent real-time temperature change rates in the temperature sequence, the adjacent real-time temperature change rates are sequentially compared with the rate threshold value, and the mode of adjusting the parameters of the current heat dissipation equipment is analyzed again.

The utility model belongs to the technical field of thermoelectric conversion, and particularly relates to a separation type heat pipe power generation and thermal control system which comprises an evaporator, a condenser and a generator, the evaporator is connected with the condenser through a steam pipe, the condenser is connected with the evaporator through a liquid return pipe, and the generator comprises a rotor part and a stator part. The rotor part is rotatably arranged in the steam pipe through a support, a gap for steam to flow is arranged between the side face of the rotor part and the inner wall of the steam pipe and / or on the support, blades are arranged at the end, facing the evaporator, of the rotor part, and the stator part is arranged outside the steam pipe and corresponds to the rotor part in position. The energy utilization of steam in the separated heat pipe is more sufficient, the energy waste is reduced, the utilization rate is improved, the heat transfer performance of the separated heat pipe is improved, the service life of the separated heat pipe is prolonged, and the operation reliability of the system is higher.

The invention provides a heat supply control system which comprises a plurality of steam turbine pressure cylinders, a plurality of heat supply devices and a plurality of heat supply devices. The distribution mixing assembly is provided with a plurality of first inlets and a plurality of first outlets, and each first inlet is communicated with a steam extraction opening of the corresponding steam turbine pressure cylinder through a first pipeline; each heat supply assembly communicates with the corresponding first outlet through a second pipeline; and the control unit is used for obtaining the heat supply parameters of each heat supply assembly and the running state of the steam turbine, and controlling the flow of steam injected into each first inlet according to the heat supply requirements of heat supply users connected with each heat supply assembly, the heat supply parameters and the running state. By means of the method and device, the steam extraction flow is accurately and flexibly adjusted, and the adaptability of a steam turbine unit to heat supply demand changes is improved.

The disclosure describes apparatus and methods for multiplexed amplification and detection of nucleic acid targets in a sample. Embodiments of the present disclosure include a mechanical system configured to provide loading, vertical positioning and clamping of a chip; a thermal control system configured to maintain distinct temperatures of the chip, and an optical fluorescence imaging system.