867 results about "Thermal techniques" patented technology

The invention relates to the technical field of data center heat dissipation, and particularly provides a single-phase and two-phase immersion liquid cooling method and system based on AI intelligent decision, and the method comprises the steps: injecting coupled data into a dynamic feature extraction engine, and outputting a thermodynamic state evolution tensor which comprises the characteristics of a temperature change rate, a load-heat flux density coupling coefficient and the like; the thermodynamic state evolution tensor is input into the deep neural network model, the temperature and pressure matched with the current thermodynamic state evolution tensor are calculated, and a closed-loop control instruction set capable of being executed by equipment is generated; a closed-loop control instruction set is injected into an execution mechanism set, execution mechanisms execute power reconstruction and flow channel switching according to instructions, gaseous fluorinated liquid is liquefied and flows back through an efficient condenser in a two-phase mode, and heat dissipation mode self-adaptive switching and heat cycle reconstruction are achieved. The system comprises a server, an AI algorithm controller, a cooling liquid storage device, a condenser, a circulating pump, an electric valve, a pressure release valve and a temperature sensor. The heat dissipation efficiency and the system reliability are remarkably improved.

The invention discloses a control method for a cooling circulation system of a multi-core processor, and relates to the technical field of computer hardware heat dissipation, and the control method comprises the following steps: the multi-core processor is responsible for executing a calculation task; the sensor module monitors the temperature of each core; the cooling system control module is used for receiving data from the temperature sensor and the load monitoring module, calculating the cooling requirement of each core according to the data and commanding a cooling unit to adjust; the cooling unit is used for adjusting cooling equipment to reduce the temperature of the processor according to an instruction of the control unit; and the debugging interface is used for monitoring the state of the system and displaying the temperature, the load and the cooling resource distribution condition of each core. The method has the beneficial effects that the rotating speed of the fan, the liquid cooling flow and the working state of the heat pipe system can be accurately controlled by combining the accurate analysis of the load change and the temperature data, the heat dissipation efficiency of the processor is improved, and the energy waste is reduced.

The invention relates to the technical field of heat supply, and provides an intelligent scheduling method and system for multi-energy cooperative heat supply, and the method comprises the steps: constructing a multi-time scale division mechanism, processing time scales, and dividing the time scales into a long-term time scale, a medium-term time scale and a short-term time scale; aiming at a long-term time scale, constructing an LSTM-Transfer hybrid model to predict renewable energy output and thermal load demand; for the mid-term time scale, dynamic rolling optimization is adopted, and multi-objective optimization is achieved through an NSGA-III algorithm; and for the short-term time scale, constructing a deep reinforcement learning DRL model, and performing dynamic compensation control through the deep reinforcement learning DRL model. According to the method, different processing strategies are used for different time scales, collaborative optimization can be carried out on multi-energy heat supply on multiple time scales, and the overall scheduling effect is improved.

The invention discloses a cold plate-immersion liquid cooling cooperative heat dissipation method based on steam zone coupling modeling, and relates to the technical field of cooperative heat dissipation. Comprising the following steps of S1, collecting collaborative heat dissipation monitoring data of each key position in real time, and performing data preprocessing; s2, the comprehensive risk of the steam area is judged, and a risk cooling adjustment instruction is issued according to the comprehensive risk judgment result; s3, receiving a risk cooling adjustment instruction, carrying out collaborative heat dissipation, evaluating the collaborative heat dissipation capability, adjusting the rotating speed of a circulating pump and the opening degree of a valve, and requesting condensation backflow adjustment; s4, judging the adjusting quantity of condensation reflux, executing reflux adjustment and performing safety monitoring; and S5, continuously monitoring the data of each link, and carrying out anomaly detection on the state of each link to realize anomaly regulation and control. The problems that in an existing single-phase cold plate or two-phase immersion liquid cooling mode, steam accumulation is prone to occurring in a high-heat-flow scene, so that the pressure intensity is increased, the boiling point is increased, and the heat exchange efficiency is reduced, and then the operation reliability of equipment is affected are solved.

The invention relates to the field of crude oil heating, in particular to a full-automatic electric heating system and device based on the integrated heat storage technology, and the system comprises a temperature scale module, a heating module and a heat storage module. The heating module is provided with all temperature control nodes of the oil gathering pipeline, target temperature difference compensation, pipe section heat loss compensation and a flow velocity correction factor are integrated, and adaptive electric heating power of all the temperature control nodes of the oil gathering pipeline is generated through a reverse cascade feedback control algorithm. The heat storage module continuously collects temperature field characteristics, operation condition characteristics and medium thermal attributes of the oil gathering pipeline, judges whether heat storage operation is triggered or not through multi-dimensional coupling evaluation, distributes heat storage media through a priority algorithm, drives a valve to switch and execute adaptive heat storage operation, and achieves precise temperature field regulation and control and energy efficiency optimization of the oil gathering pipeline. And stable crude oil transportation is guaranteed.

The invention discloses a transistor high-power electromagnetic heat model optimization system based on deep learning, and relates to the technical field of electromagnetic heat. Comprising an input module, a deep learning module, a global optimization module, an online adaptive module and a real-time simulation module. The input module obtains various key parameters and constructs a high-dimensional input space; the deep learning module constructs a deep learning model by embedding a physical constraint and uncertainty quantization mechanism; the global optimization module is used for carrying out global search on design parameters, rapidly evaluating a target function by utilizing an agent model, and searching a Pareto optimal solution in a design parameter space; the online adaptive module is used for drift detection and updating; the real-time simulation module simulates an electromagnetic field and a thermal field in real time, and data exchange ensures timely synchronization of boundary data through dynamic scheduling and load balancing; all the modules cooperate with one another through data and feedback, and a complete, closed-loop and continuously self-adaptive updating optimization system is achieved.

The invention belongs to the technical field of heating devices, and discloses a thick film heater adopting an indirect heat dissipation technology, which comprises a main shell and a film heating plate, the film heating plate is connected with a radiator, the radiator is connected with heat dissipation fins, the inner side of a heating cavity is connected with a sealing element, and the main shell is connected with a water inlet pipe and a water outlet pipe. A heat dissipation water channel is defined by the heat dissipation device, the heat dissipation fins and the water closing plate, the main shell is connected with a PCBA circuit control board, and the main shell is connected with a low-voltage connector and a high-voltage connector. According to the technical scheme, due to the arrangement of the radiator and other structures, the situation that the radiating fins are directly welded to the heating plate to cause deformation of the heating plate to affect the heating effect or insulation faults is avoided, the radiator and the radiating fins are integrally die-cast, the heat exchange area is greatly increased, the heat exchange coefficient is increased, the heater cannot be locally overheated, and the service life of the heater is prolonged. The tolerance robustness of bubbles existing in a whole vehicle cooling liquid system is enhanced, and the use stability of the heater is greatly improved.

The invention discloses a heat dissipation equipment control method and device, equipment and a storage medium, and relates to the technical field of heat dissipation, and the method comprises the steps: collecting the actual operation feature data of heat dissipation equipment at a preset time interval, carrying out the feature processing of the actual operation feature data, obtaining the time sequence feature data of the heat dissipation equipment, and obtaining the time sequence feature data of the heat dissipation equipment; when a preset number of time sequence feature data is continuously collected, predicted operation feature data is obtained through a time sequence prediction model according to the time sequence feature data of the heat dissipation equipment, the predicted operation feature data and the time sequence feature data serve as input of a reinforcement learning model, and a control strategy of the heat dissipation equipment is generated; and the heat dissipation equipment is controlled according to the control strategy, so that the technical problem that the heat dissipation effect of the equipment load is reduced can be solved, and the heat dissipation effect is improved.

The utility model relates to a heat dissipation structure of a linear motor based on a T-shaped vapor chamber, and relates to the technical field of heat dissipation of linear motors, the linear motor comprises a base, a stator and a rotor which are matched with each other are arranged on the base, and the rotor is connected with a sliding block and arranged on the stator through a linear guide rail. The rotor comprises T-shaped vapor chambers, heat conduction gaskets, rotor iron cores, windings, cooling water pipes, silicon steel sheets and liquid cooling plates, the windings are arranged on rotor iron core teeth, through holes are formed in the positions, between the adjacent windings, of the iron cores up and down, the T-shaped vapor chambers are vertically and symmetrically inserted into the iron core holes, and the surfaces of the lower ends of the T-shaped vapor chambers are attached to the adjacent windings; a heat conduction gasket is laid on the upper portion of the T-shaped soaking plate and connected with a liquid cooling plate with a built-in cooling water pipe, and the condensation end of the T-shaped soaking plate, the heat conduction gasket, the cooling water pipe and the liquid cooling plate are all arranged in a silicon steel sheet groove. According to the utility model, heat in the winding and the iron core can be uniformly distributed, and the heat dissipation efficiency of the linear motor is improved.

The invention discloses an intelligent building heating and ventilation automatic control method and system based on digital twinning, and relates to the technical field of intelligent heat supply. The method comprises the specific steps that entity data of a building and a heat supply system are obtained, a building heat supply system twinborn model is constructed, and a digital twinborn automatic control system is constructed based on the building heat supply system twinborn model; deploying a multi-modal sensing network, and constructing a distributed data monitoring system; real-time data collected by the distributed data monitoring system is input into the digital twin automatic control system, and a dynamic control strategy is generated in combination with historical data; and the heat supply system is controlled to execute actions based on the dynamic control strategy, and feedback data are sent to the digital twin automatic control system for control strategy optimization. According to the invention, the response speed of the system is obviously improved, and the adaptability to complex and changeable environments is enhanced.

The invention relates to the technical field of industrial computer heat dissipation, in particular to an industrial computer memory and storage collaborative heat dissipation system which is used for solving the problems that in the prior art, temperature distribution modeling and state evaluation cannot be achieved, thermal state categories cannot be divided by integrating a temperature threshold value and an operation state, and the equipment health judgment accuracy is reduced. According to the invention, a temperature control monitoring module constructs a thermal field model by using operation state and thermal behavior data, divides hardware units, establishes a heat conduction path, realizes temperature distribution modeling and state evaluation, calculates thermal power density through standardized parameters, and solves steady-state temperature by using a numerical method in combination with boundary conditions and a cooling model. Structured temperature information is output, a temperature threshold value and an operation state are integrated to divide thermal state categories, and the equipment health judgment accuracy is improved.

The invention relates to the technical field of heat dissipation of energy storage systems, and discloses an immersed liquid cooling device, an energy storage system and a heat management method. The immersed liquid cooling device comprises a box body, a fluid circulation structure and a liquid level adjusting structure. The box body is provided with a plurality of liquid cooling spaces which are sequentially arranged along a preset direction and are isolated from one another, and each liquid cooling space is used for accommodating a battery module; the fluid circulation structure is connected to the box body and comprises a liquid inlet pipeline, a series flow pipeline and a liquid outlet pipeline, the liquid inlet pipeline is used for supplying cooling liquid, the series flow pipeline is used for conveying the cooling liquid, and the liquid outlet pipeline is used for discharging the cooling liquid. One of the two liquid cooling spaces farthest from each other in the preset direction is communicated with the liquid inlet pipeline, the other liquid cooling space is communicated with the liquid outlet pipeline, and the two adjacent liquid cooling spaces are communicated with each other through a series flow pipeline. According to the immersed liquid cooling device, the energy storage system and the thermal management method provided by the invention, the temperatures of different battery modules in the energy storage system can be favorably controlled.

The invention belongs to the technical field of heat exchange, and particularly relates to a liquid metal enhanced heat exchange pipeline which comprises a pipeline body, an auxiliary heat exchange cavity and liquid metal. One end of the auxiliary heat exchange cavity is arranged on the pipeline body, and the other end of the auxiliary heat exchange cavity is far away from the pipeline body; the auxiliary heat exchange cavity is filled with the liquid metal. The auxiliary heat exchange cavity is filled with the liquid metal, and compared with a traditional cooling medium, the liquid metal can transfer heat more quickly by means of the ultrahigh heat conductivity of the liquid metal, the heat resistance is reduced, and the overall heat exchange efficiency is improved. In addition, due to the high thermal conductivity of the liquid metal and the optimized heat exchange structure, efficient heat exchange can be achieved in a more compact space, and the requirement for additional cooling fins or heat exchange assemblies is reduced. And compared with a traditional heat exchanger, the heat exchange power density of unit volume is higher, the heat exchanger is suitable for high-power electronic equipment, spaceflight heat dissipation systems and new energy heat exchange equipment, and the requirements for miniaturization and efficient heat dissipation are met.

The invention relates to the technical field of plate heat exchange, in particular to a calculation method of a plate heat exchanger, which comprises the following steps: S1, converting pressure and temperature data into pressure and enthalpy values, setting boundary conditions, determining a hot side and a cold side of the heat exchanger according to the boundary conditions, and setting non-boundary values by segmentally applying energy conservation to obtain geometric parameters and empirical constants; s2, obtaining physical property parameters of the fluid by using a two-dimensional grid linear interpolation method, and obtaining the physical property parameters of the fluid by taking the enthalpy value and the pressure as coordinates; and S3, determining the effective area required by each section, and obtaining a local heat transfer coefficient and a pressure drop when the volume requirement is met under the fluid physical property parameters and the channel flow velocity. According to the method, the problem that the calculation speed of a calculation program is low when the performance of the brazing sheet heat exchanger is evaluated under different working conditions is solved through unique grid division in the plate heat exchanger and rapid calling of fluid physical properties, the calculation error value is effectively reduced, an accurate check result is obtained within ten iteration steps, and the calculation cost is saved.

The invention belongs to the technical field of intelligent heat supply, and provides a green power consumption heat storage and release matching control method and system based on a water heat storage boiler, and the method comprises the steps: firstly obtaining a heat load prediction sequence and an electric power spot market price prediction sequence of a heat supply system; secondly, regarding the heat supply network as a graph structure composed of nodes and pipelines, and establishing a pipe network dynamic model for describing the hydraulic and thermal characteristics of the heat supply pipe network; and finally, with the purpose of minimizing the comprehensive operation cost of the heat supply system in the whole scheduling period, and with the whole network heat balance, heat source operation, centralized heat storage device operation, heat supply network safety and user comfort as constraint conditions, solving to obtain a source network load storage cooperative control strategy. The purpose of integrated collaborative optimization of the heat source, the energy storage, the pipe network and the load is achieved, a scheduling strategy with better economical efficiency can be generated, and the problems that the absorption capacity is insufficient, and the overall operation economical efficiency of the system is not high are solved.

The invention provides a three-period minimal curved surface change heat exchanger for airborne intermittent high-heat-flux surface heat dissipation, and belongs to the technical field of phase change heat storage. According to the technical key points, the flow channels are divided into hot fluid flow channels allowing hot fluid to pass through and preventing cold fluid from flowing and cold fluid flow channels allowing cold fluid to pass through and preventing hot fluid from flowing, and the hot fluid flow channels and the cold fluid flow channels intersect in direction and are alternately arranged to form effective heat exchange channels. A phase change material is packaged in a hot fluid flow channel by adopting a three-period extremely-small curved surface structure, and the structure is used as a primary heat exchange surface, so that rapid heat exchange between the phase change material and hot fluid is promoted, and the heat storage rate is increased; cooperative disturbance structures matched with the three-period extremely-small curved surfaces are arranged in the cold fluid flow channels, heat exchange between the phase-change materials and the cold fluid is further promoted, and the heat dissipation rate is increased. The device has the advantages of being compact in structure and high in heat storage / release rate, and the requirements of high-power equipment in the instantaneous heat storage and dissipation process are effectively met.

The invention relates to the technical field of tractor heat dissipation, in particular to a modular integrated tractor heat management method which comprises the steps that an engine radiator, a condenser, an engine oil radiator and a hydraulic radiator are arranged on the air outlet side of a cooling fan with the fan blade angle adjustable in a centralized mode; when the tractor operates in a working condition state, actual temperature data of an engine heat dissipation module, a transmission system heat dissipation module, a hydraulic system heat dissipation module and an air conditioning system heat dissipation module are collected; preset temperature difference data and preset fan rotating speed data corresponding to the working condition state are obtained; calculating an actual temperature difference value corresponding to the preset temperature difference value; and judging the actual temperature difference value of each item and the corresponding preset temperature difference value in real time, and controlling the wind direction and the rotating speed of the cooling fan in real time according to the judgment result. The invention further provides an electro-hydraulic control heat dissipation system applying the thermal management method. Heat dissipation and reverse blowing cleaning self-cleaning are carried out on all radiators of the tractor, the power loss is reduced, and the energy loss is reduced.

The invention discloses a manufacturing method of a reconfigurable LPCAMM storage device, and relates to the technical field of production of storage devices, and the manufacturing method of the reconfigurable LPCAMM storage device realizes comprehensive improvement of technical performance, production efficiency and commercial value through an innovative modular hierarchical architecture and process collaborative design. On the basis that the compact characteristic of a traditional LPCAMM is kept, through the dual effects of mechanical guiding and elastic compensation, the sub-board assembly precision is improved, through the collaborative design of a self-compensation contact array of the detachable storage sub-board and a heat dissipation strengthening layer (S200), the ultra-long plugging service life is achieved, and through the combination of three-dimensional microstructure heat dissipation and the phase change heat storage technology, the phase change heat storage performance is improved. The working temperature of the device is reduced, the thermal resistance value is reduced, the thermal management bottleneck of a high-density storage module is broken through, and a complete solution with high reliability, maintainability and cost effectiveness is provided for large-scale application of the LPCAMM technology in emerging markets such as cloud computing terminals and industrial Internet of Things equipment.

The invention provides an optimal scheduling method for a heat supply pipe network based on fused salt heat storage, and belongs to the technical field of intelligent heat supply, and the method specifically comprises the steps: dividing a heat supply area of the heat supply pipe network according to heat supply adjustment areas of different fused salt heat storage devices, so as to obtain matching adjustment areas of the different fused salt heat storage devices, the fused salt heat storage devices, not running in the working interval, of the heat supply pipe network serve as problem heat storage devices, and when it is determined that adjustment of the heat supply pipe network needs to be carried out according to the number of the problem heat storage devices and the deviation values of the different problem heat storage devices and the working interval; and a scheduling strategy is generated by utilizing the deviation value between the problem heat storage device and the working interval and the heat supply requirements of different matched adjustment areas, so that the operation reliability of the heat supply pipe network is realized.

The invention provides a control method and device which can be applied to the technical field of server heat dissipation. The control method comprises the following steps: processing a plurality of pieces of obtained initial temperature data of a plurality of detection points in at least one power supply unit, and determining target temperature data in the plurality of pieces of initial temperature data; processing the target temperature data, the environmental data of the power supply unit and the related load data to obtain temperature features, environmental features and load features for the plurality of fluctuation types; obtaining a temperature prediction result of the power supply unit at the later moment based on the temperature characteristics, the environment characteristics and the load characteristics; and controlling the flow of the liquid cooling device in the power supply unit based on the temperature prediction result.

The invention discloses an efficient transformer heat dissipation device, relates to the technical field of transformer heat dissipation, and provides the following scheme that the efficient transformer heat dissipation device comprises a transformer body and further comprises air cooling mechanisms arranged on the two sides of the transformer body and used for conducting rapid air cooling on the transformer body; the liquid cooling mechanism is arranged on one side of the top of the transformer body and used for conducting liquid cooling on the transformer body, and one side of the liquid cooling mechanism is overlapped with the air cooling mechanism; and the liquid return cooling mechanism is arranged on one side of the transformer body. According to the invention, the air cooling mechanism and the liquid cooling mechanism are superposed and cooperated, so that the heat dissipation requirement of the high-capacity transformer can be quickly met, the liquid return cooling mechanism realizes closed-loop circulation of cooling liquid, frequent liquid supplement is avoided, the operation and maintenance cost is reduced, waste liquid discharge is reduced, and the environment-friendly requirement is met; the running state of equipment can be dynamically adjusted according to the real-time temperature of the transformer, the heat dissipation effect is guaranteed, energy consumption is reduced, and the service life of the equipment is prolonged.

The present invention discloses a heat exchange and enhanced heat storage system using a heat pipe, which relates to the field of variable heat storage technology, and includes an evaporation module, which is used for a liquid working medium to absorb heat and evaporate into a gaseous state to achieve heat transfer; a cooling module, which is used to achieve condensation of the gaseous working medium to achieve heat release; a conversion module, which is used to promote the circulation of the working medium in the system to achieve heat absorption and release; a monitoring module, which automatically adjusts the air flow and working medium circulation according to temperature changes; a liquid storage module: used to store liquid refrigerant to achieve refrigeration system cyclic operation; a phase change heat transfer module: used to store phase change materials. The present invention allows the system to operate flexibly under different heat load conditions and adapt to different cooling and heating requirements through the coordination between the cooling module, the evaporator and the conversion module, thereby improving the heat conduction efficiency and ensuring the overall energy storage and release efficiency.

The invention belongs to the technical field of fluid mixing heat exchange, and particularly relates to a low-flow-resistance jet spray type liquid cooling low-temperature gas supply device and application thereof. Comprising a gas diversion system and a liquid supply system; the gas diversion system comprises a pre-cooling pipeline and a hemispherical diversion structure arranged in the pre-cooling pipeline; the precooling pipeline comprises an air inlet and an air outlet; the liquid supply system is arranged around the gas inlet end of the pre-cooling pipeline, communicates with the pre-cooling pipeline through a nozzle system arranged in the circumferential direction and is used for spraying liquid nitrogen into the pre-cooling pipeline so as to cool gas to be cooled; the hemispherical flow guide structure is arranged at the air inlet end of the pre-cooling pipeline, and the spherical face side of the hemispherical flow guide structure faces the air inlet and is used for guiding sprayed liquid nitrogen. In the working process, the temperature uniformity and the total pressure recovery coefficient are high, and the temperature distortion rate is low.

The invention relates to the technical field of phase change heat storage, in particular to a simulation method for enhancing a lung groove imitating blood vessel fin phase change heat storage system through nanofluid. The method comprises the following steps: firstly, establishing a three-dimensional physical model of the phase change heat storage enhanced heat transfer system simulating lung groove blood vessel fins, performing simulation analysis on the three-dimensional model, comparing a simulation result with an experimental result, and adjusting parameters of the simulation model to improve the accuracy of the simulation result; different nano-fluids are selected through the optimized simulation analysis platform to carry out enhanced heat transfer research on the TES, and the influence of the volume fraction of the nano-particles, the variety of the nano-particles, the temperature of the heat transfer fluid (HTF) and the initial speed on liquid phase distribution, temperature distribution, melting characteristics and kinetic energy consumption of the TES is analyzed. And finally, performing three-objective optimization on the kinetic energy, the TES heat storage amount and the melting time to obtain an objective function and an optimal value, and providing a certain reference basis for TES multi-objective optimization under the condition that the working medium is the nanofluid.

The utility model discloses an integrated grading flash evaporation deep heat recovery device for high-salt, high-scale and high-corrosion slurry, and belongs to the technical field of industrial energy conservation and desulfurization slurry waste heat heat supply. According to the integrated equipment, in order to solve the problems that due to graded flash evaporation and graded heat removal, the final-stage vacuumizing difficulty is too large, equipment assemblies are too many, the occupied area is too large, the manufacturing cost is too high, and operation and maintenance are difficult, flash evaporation tanks are combined into an integral graded flash evaporation tank, and a flash evaporation steam heater is combined into an integral graded heater; furthermore, all the components are combined into an integrated tank body, and all functional areas are separated by adopting partition plates. A first-stage special micro-differential pressure vacuum pump is added, and non-condensable gas of the last-stage heater is pumped out and sent to an inlet of the previous-stage heater or a conventional vacuum pump; alkaline water is sprayed to a space, where non-condensable gas is enriched, of a final-stage heater to absorb SO2 and reduce partial pressure, so that the temperature of a concentrated slurry outlet and the smoke exhaust temperature of a final-stage flash tank can be greatly reduced. The device is suitable for the fields of coal-fired boilers, sintering machines and industrial kilns requiring waste heat recovery.

The invention relates to a multi-zone heating device and a heating method thereof, and belongs to the technical field of multi-zone heating, and the multi-zone heating method comprises the following steps: S100, manufacturing the multi-zone heating device, and enabling a central heating unit, a first heating unit and a second heating unit to work, the central circular area, the first annular area and the second annular area are heated through heat conduction and / or heat radiation; s200, a first temperature sensor monitors the center temperature of the center circular area, a plurality of second temperature sensors monitor the temperature of the first annular area to obtain a first temperature data set, and a plurality of third sensors monitor the temperature of the first annular area to obtain a second temperature data set; and S300, after the central temperature, the first temperature data set and the second temperature data set are controlled to be in a preset value or a preset range, the central heating unit, the first heating unit and the second heating unit heat the wafer. According to the invention, the multi-zone heating design can be realized, and the temperatures of different zones are allowed to be independently adjusted.

The present invention relates to the technical field of heat dissipation of electronic equipment, and in particular to a liquid-cooled heat dissipation device and a liquid-cooled heat dissipation method. When the temperature of a heating device is too high, the phase change material inside a heat storage unit can absorb a certain amount of heat without significantly increasing the temperature, thereby slowing down the heating rate of the coolant, thereby having a good auxiliary effect on the cooling effect of the coolant, stabilizing the temperature of the coolant output by the liquid storage module, and ensuring the effective operation of the liquid-cooled heat dissipation device; at the same time, when the heat dissipation module fails and cannot work normally, and when it is detected that the temperature of the coolant output from the liquid storage module continues to rise, the present invention starts the corresponding mechanical device in the emergency heat storage module, so that a plurality of heat storage units absorb the heat in the liquid storage module in turn, thereby maintaining the stability of the temperature of the coolant output by the liquid storage module, achieving the effect of double heat dissipation protection, and ensuring good heat dissipation and normal operation of the heating device.

The invention provides a plate heat exchanger, a heat pump system and a defrosting control method of the heat pump system, and relates to the technical field of heat exchange. The plate heat exchanger is provided with an anti-freezing heating runner, one part of the anti-freezing heating runner is located between a first refrigerant opening and a first edge section, closest to the first refrigerant opening, of the plate heat exchanger, and the other part of the anti-freezing heating runner is located between a second refrigerant opening and a second edge section, closest to the second refrigerant opening, of the plate heat exchanger. Therefore, when the plate heat exchanger is used in a heat pump system, the anti-freezing heating flow channel can be connected to the exhaust port of the compressor of the refrigerant circulating flow channel, so that a high-temperature and high-pressure refrigerant is utilized to heat a local easy-to-freeze area of the water flow channel, and the water flow channel can be prevented from being frozen to a certain extent at least; therefore, the cracking risk of the heat exchange plate is reduced, the working reliability of the heat pump system is improved, the heat pump system is prevented from being damaged, and the heat exchange efficiency of the plate heat exchanger can be improved.

The application discloses finned tube type phase change heat storage equipment, including heat storage shell, both ends of heat storage shell are provided with sealing end plate, two sealing end plates are arranged, the inside of heat storage shell between two sealing end plates is provided with partition layer, the middle of heat storage shell is provided with coaxial center flow pipe, the opposite ends of center flow pipe are sealed and penetrated through sealing end plate through sealing sleeve, the space between partition layer and center flow pipe is set as phase change heat storage cavity, the inside of partition layer and the outside of center flow pipe are provided with heat transfer fin, the application belongs to phase change heat storage technical field, the purpose of the application is to solve the problems of low heat storage efficiency and poor equipment stability in prior art, the technical effects are as follows: double flow makes phase change heat storage efficiency improved, double cavity phase change heat storage material is arranged in heat storage equipment, heat storage energy efficiency is high, fin strengthens phase change heat storage and structural support, equipment is stable, and has good sealing and plugging performance.