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3547 results about "Computer fan" patented technology

A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component. Both axial and sometimes centrifugal (blower/squirrel-cage) fans are used in computers. Computer fans commonly come in standard sizes, and are powered and controlled using 3-pin or 4-pin fan connectors.

Energy storage battery pack equalization control method

The invention discloses an energy storage battery pack equalization control method, which belongs to the field of energy storage battery packs, and comprises the following steps: S1, constructing a multi-physics field-aging coupling model; s2, based on a multi-physical field-aging coupling model, space-time-frequency domain joint state estimation and unbalanced pattern recognition are realized; s3, formulating optimal equalization topology and control parameters according to space-time-frequency domain joint state estimation and an unbalanced mode recognition result; s4, establishing an electric-thermal-fluid multi-physics field coupling control model, and optimizing equalization current regulation and control, liquid cooling flow velocity and cooling fan rotating speed based on the optimal equalization topology and control parameters; and S5, optimizing the full life cycle of the digital twin drive. By adopting the equalization control method for the energy storage battery pack, the efficient coordination of the energy storage battery pack from dynamic modeling, accurate state estimation and intelligent equalization decision to full life cycle management is realized, and the equalization efficiency and the system reliability are remarkably improved.
Owner:华能陇东能源有限责任公司

Server, and aerodynamic-noise and heat-dissipation optimization control system therefor

Disclosed in the present application are a server, and an aerodynamic-noise and heat-dissipation optimization control system therefor. The system comprises a heat dissipation fan, a temperature measurement module, a noise measurement module, a power consumption measurement module, a controller and a phase-change air guide cover, wherein the aerodynamic area of the heat dissipation fan is adjustable; the temperature measurement module is used for measuring the temperature of a case; the noise measurement module is used for measuring the noise inside the case; the power consumption measurement module is used for acquiring a load requirement of a program currently running in a server; and the controller is used for adjusting the working condition of the heat dissipation fan, analyzing the lowest operating power of each server assembly on the basis of the load requirement when internal noise reaches a preset threshold value, and adjusting the current power of each server assembly on the basis of the lowest operating power. The phase-change air guide cover is used for guiding air and absorbing heat by means of a phase-change material.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Automatic detecting and cleaning system for cooling fan

The invention relates to the technical field of automatic detection data processing, in particular to a cooling fan automatic detection cleaning system which comprises an electromagnetic compatibility strengthening sensing module, a multi-physical field feature decoupling module, a layered fault diagnosis module, a dynamic cleaning strategy generation module, an anti-corona cleaning execution module and a closed loop feedback optimization module. Temperature field distribution, mechanical vibration signals and partial discharge characteristics are collected in real time through a distributed sensing network and are subjected to tensor fusion with SVG operation parameters to generate a multi-physical field joint characteristic space, and a closed-loop feedback module associates cleaning efficiency data with fault characteristics, reversely corrects model parameters and optimizes a cleaning strategy. According to the invention, traditional threshold limitation is broken through, and closed-loop control of electromagnetic interference suppression, unknown fault dynamic diagnosis and cleaning accurate response is realized.
Owner:HUANENG QINGTONGXIA NEW ENERGY POWER CO LTD

Temperature-controllable electric energy meter and method

The invention relates to the technical field of electric energy meters, and provides a temperature-controllable electric energy meter and method, a box body is internally provided with a positive-pressure heat dissipation mechanism, the positive-pressure heat dissipation mechanism comprises an air inlet pipe, the air inlet pipe is arranged in the box body and located below an electric energy metering module, one end of the air inlet pipe is closed, and the other end of the air inlet pipe penetrates through the side wall of the box body and is communicated with the outside; the mounting box covers the air inlet pipe, a plurality of cooling fans are arranged in the mounting box, and the cooling fans are used for sucking air flow in the air inlet pipe and discharging the air flow through the air outlet; the shielding part is arranged at the top of the box body and used for blocking the exhaust port, the shielding part is used for forming a positive pressure environment in the box body, and the shielding part can be opened when the internal pressure of the box body is larger than preset pressure so that gas in the box body can be exhausted through the exhaust port. Through cooperation of the positive pressure heat dissipation mechanism and the shielding piece, a dynamic positive pressure environment is constructed in the box body, external dusty air can be prevented from invading through gaps or heat dissipation holes from the source, and the problem of dust accumulation caused by heat dissipation of a traditional electric energy meter is thoroughly solved.
Owner:SHIJIAZHUANG KE ELECTRIC

Efficient heat dissipation assembly and electronic equipment

The invention belongs to the technical field of heat dissipation of electronic equipment, and particularly discloses an efficient heat dissipation assembly and electronic equipment, the heat dissipation assembly comprises a heat dissipation substrate tightly attached to the surface of a heating element, a vapor chamber is tightly attached to the face, away from the heating element, of the heat dissipation substrate, and heat dissipation fins and a heat dissipation fan are sequentially connected to the face, away from the heat dissipation substrate, of the vapor chamber; the vapor chamber comprises a shell, a cover plate and a liquid absorbing core, the cover plate is sealed on the shell, a vacuum cavity is formed in the cover plate, the vacuum cavity is filled with a two-phase fluid working medium, the liquid absorbing core is arranged in the vacuum cavity, the upper surface and the lower surface of the liquid absorbing core are tightly attached to the cover plate and the shell respectively, and a plurality of hollow steam cavities are formed in the liquid absorbing core. The electronic equipment comprises the efficient heat dissipation assembly. Through the synergistic effect of the heat dissipation substrate tightly attached to the heating element, the vapor chamber containing the two-phase fluid working medium and the multiple layers of heat dissipation fins, the structure compactness is guaranteed, and meanwhile efficient heat conduction and rapid heat dissipation are achieved.
Owner:DAS SOLAR CO LTD

Light-weight motor heat dissipation structure

The invention relates to the technical field of motor heat dissipation, and discloses a lightweight motor heat dissipation structure, which comprises a shell, a stator structure, a rotor structure and a heat dissipation fan, cooling oil in the liquid storage tank is guided into the annular guide groove, the multiple sets of vortex grooves are diffused to the outside in a vortex mode, the cooling oil can be sprayed out to the turbofan blades at the inner diameter position in an accelerated mode through the conical liquid outlet holes in the inner wall of the annular guide groove, and therefore the turbofan blades at the lower portion can conduct vortex rotation; the introduced cooling oil can quickly flow from one side of the stator structure to the other side along the coil gap, so that the flow speed of the cooling oil in the inner cavity of the shell can be accelerated from one side of the stator structure, and the cooling and heat exchange efficiency of the compact coil in the stator structure is improved; the turbofan blades and the vortex grooves can enable cooling oil liquid to be diffused in a vortex mode to flow in the same direction with a rotating shaft in the rotor structure, and therefore the situation that the cooling oil liquid is guided into an inner cavity of the machine shell and influences the rotating speed of the rotor structure is avoided.
Owner:JIAXING AITAIDE GRP CO LTD

Speed regulation driving and anomaly detection circuit of cooling fan

The invention belongs to the technical field of integrated circuits, and particularly relates to a speed regulation driving and anomaly detection circuit of a cooling fan. Comprising a current expansion driving module for providing a voltage FCC stabilized by an LDO for a fan and performing current expansion on an output current of the LDO to drive the fan; the logic control module is connected with the current expansion driving module and is used for adjusting a control signal ADJlt; n: 0gt; the value of the voltage FCC output by the LDO is changed, so that the speed of the fan is regulated; and the sampling detection module is connected with the logic control module and the VIN port of the LDO, samples the current of the fan through a sampling resistor, converts the current into a voltage V0, compares the voltage V0 with a reference voltage Vref, and outputs a voltage signal to the level shift circuit. The speed-adjustable fan driving circuit is integrated, detection of various abnormal states of the fan is achieved, and the speed-adjustable fan driving circuit has the outstanding advantages of being simple in PCB layout and low in cost.
Owner:WUXI I CORE ELECTRONICS

Fan module and server

The invention relates to the technical field of servers, and discloses a fan module and a server, and the fan module comprises a module main body which comprises a cooling fan; a first connector is arranged on the mounting seat; the mounting seat is connected to the module main body through the movable connecting structure and can move along the plugging direction of the first connector; and the elastic piece is supported between the module main body and the mounting seat. When the butt joint gap between the first connector and the second connector between the server is large, the elastic piece can push the mounting base to move towards the second connector based on the elastic force characteristic of the elastic piece and deepen the engagement between the first connector and the second connector. The problems that a connector of a fan module is prone to being insufficient in contact area with a connector of a server, the through-current capacity of the connector is reduced, local accumulated temperature is generated, even terminals of the connector are possibly melted down due to high temperature, system overheating downtime is caused, and potential safety hazards exist are solved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Excavator heat dissipation control method and system based on environment temperature and working conditions

The invention discloses an excavator heat dissipation control method and system based on environment temperature and operation working conditions. The excavator heat dissipation control method comprises the steps that S1, the operation working conditions of an excavator are divided into five working conditions including the super-heavy load working condition, the heavy load working condition, the medium load working condition, the light load working condition and the super-light load working condition; s2, the external environment temperature is divided into 10 gears; s3, according to the environment temperature and the operation working condition, the heat dissipation requirement is divided into 10 gears; s4, the rotating speed of the cooling fan is adjusted according to the cooling requirement gear, so that the cooling requirement is accurately matched with the rotating speed of the cooling fan; and S5, whether the temperature of the working medium in the excavator is larger than a high-temperature threshold value or not is judged, if yes, heat dissipation is conducted according to the corresponding heat dissipation fan rotating speed obtained through the heat balance test, and if not, heat dissipation is conducted according to the actual heat dissipation requirement gear standard. The problem of heat dissipation redundancy caused by single parameter control is solved, and dynamic matching of the rotating speed of the fan and the composite heat dissipation requirement is achieved. And the energy consumption under the low-load working condition and the cold environment is reduced, and the risk of insufficient heat dissipation under the high-temperature heavy-load working condition is avoided.
Owner:XUZHOU XCMG MINING MACHINERY CO LTD

Intelligent heat dissipation control method and control system of photovoltaic inverter

The invention discloses an intelligent heat dissipation control method and system of a photovoltaic inverter, and relates to the technical field of heat dissipation control of photovoltaic inverters, and the method comprises the following steps: collecting the temperature of parts in the photovoltaic inverter and the temperature of the environment in the photovoltaic inverter through a temperature sensor, collecting an internal thermal imaging image, and carrying out the first screening processing; establishing a thermal imaging temperature correction model; performing temperature correction processing on the thermal imaging image in the photovoltaic inverter to obtain corrected thermal imaging temperature data; dynamically controlling a cooling fan of the photovoltaic inverter; the method is used for solving the problems that when heat dissipation control is carried out by measuring the internal temperature of the photovoltaic inverter in an existing photovoltaic inverter heat dissipation control technology, error correction cannot be carried out on a thermal imaging image through the thermal imaging image and a temperature sensor, accurate internal overall temperature information of the photovoltaic inverter cannot be obtained, and then heat dissipation control cannot be carried out.
Owner:SUZHOU CITY YAOFENG ELECTRON LTD CO

Heat dissipation method of server, electronic equipment, computer storage medium and product

The invention discloses a heat dissipation method of a server, electronic equipment, a computer storage medium and a product, and relates to the technical field of server heat dissipation, and the heat dissipation method of the server predicts multiple temperatures of the server in a future time domain based on a heat dissipation prediction model, and then constructs a target function in combination with a preset optimization function after adaptive weight update, and determining the target rotating speed of the current control period by optimizing and solving the target function, wherein the target rotating speed is used for controlling the cooling fan of the server. Therefore, according to the method, the heat dissipation of the server is controlled by adopting a model prediction control algorithm, the target rotating speed is determined by predicting future behaviors of the system, the problem of temperature regulation lag in related technologies is solved, and meanwhile, real-time adaptive adjustment is performed on the weight coefficient of the preset optimization function based on the actual temperature and the target temperature, so that the control accuracy is improved. Optimization of multiple targets such as temperature and energy consumption can be achieved, and the temperature control effect is further improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Piezoelectric cooling fan

The invention relates to the technical field of electronic equipment, and discloses a piezoelectric cooling fan which comprises a piezoelectric element, a vibration plate, a supporting frame, a jet flow plate and an air outlet plate. The supporting frame is provided with a cavity with the two sides open in the first direction. The vibration plate and the jet flow plate are arranged on the two sides, in the first direction, of the cavity in a covering mode respectively and connected with the supporting frame, and jet flow holes are formed in the jet flow plate. The piezoelectric element is attached to the side, away from the cavity in the first direction, of the vibrating plate and / or the side, away from the cavity in the first direction, of the jet plate, a center hole is formed in the piezoelectric element, and the air outlet plates are arranged on the side, away from the cavity in the first direction, of the jet plate at intervals. The air outlet plate is provided with air outlet holes communicated with the jet flow holes. According to the piezoelectric cooling fan, fatigue cracks caused by long-time use of the piezoelectric element can be avoided, and the service life of a product is greatly prolonged.
Owner:AUDIOWELL ELECTRONICS GUANGDONG

Constant-temperature air bath box based on mean value coordination controller and top cover refrigeration

The invention discloses a constant-temperature air bath box based on a mean value coordination controller and top cover refrigeration. The constant-temperature air bath box comprises a ceramic heating sheet module, a circulating water refrigerating unit, a temperature acquisition device and a top cover semiconductor refrigerator TEC auxiliary cooling system. The temperature control system adopts proportion-integration-differentiation (PID) control based on mean value coordination, and comprises a controller for controlling the mean value tracking set value of each path of temperature measurement value and a controller for eliminating the deviation between each path of temperature measurement value and the mean value. When the TEC refrigeration sheet and the cooling fan on the top cover of the constant temperature box work, heat of upper-layer air in the constant temperature box is dissipated to the outside, the situation that the upper portion is hot and the lower portion is cold due to natural convection of air in the box is reduced, and the uniformity and the stability of the temperature are improved. According to the temperature control system, the temperature coupling effect between the heating pieces is fully considered, and the accuracy and uniformity of temperature control are improved; and meanwhile, each hot module and each cold module have certain symmetry, so that the setting difficulty of control parameters is effectively reduced.
Owner:SUZHOU UNIV OF SCI & TECH

LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring and medium

The invention provides an LED lamp adaptive speed regulation heat dissipation method and system based on real-time junction temperature monitoring. The method comprises the following steps: S100, acquiring a PWM signal or an analog signal of an LED driving command signal in real time; s200, on the basis of the change of the driving instruction signal, feedforward prediction is carried out by using a dynamic thermal inertia mapping model, and a feedforward fan control quantity is generated; s300, LED junction temperature is monitored in real time through a forward voltage method, and feedback fan control quantity is generated through a feedback controller according to the deviation between the real-time junction temperature and the target junction temperature; and S400, synthesizing the feedforward control quantity and the feedback control quantity to generate a fan PWM control signal, outputting the fan PWM control signal to a fan driving circuit, and adjusting the rotating speed of the cooling fan. According to the method, driving signals and junction temperature information are processed in parallel, and feedforward and feedback control is combined, so that self-adaptive accurate regulation and control are realized, thermal load change is quickly responded, system lag is effectively inhibited, and LED heat dissipation performance is optimized.
Owner:YUEYING INNOVATION TECH (GUANGDONG) CO LTD

Cooling fan motor starting current limiting method, device and equipment

The invention relates to the technical field of motor current limiting, and discloses a cooling fan motor starting current limiting method, device and equipment, and the method comprises the steps: carrying out the starting power calculation of a radiator, and obtaining a drive power prediction value; rotor angle position detection and blade aerodynamic resistance calculation are carried out, and aerodynamic load distribution parameters of all phase change points are obtained; performing starting current limitation to obtain a current limitation control instruction; performing motor commutation time sequence control to obtain a basic commutation control signal, and meanwhile, monitoring a starting torque abnormal increment to obtain a reverse airflow recognition result; according to the method, the current limit value is increased in the emergency mode to accelerate the starting response, the current limit is reduced in the energy-saving mode to reduce the energy consumption, and the starting current phase difference compensation is carried out to obtain a reverse airflow compensation control parameter and fuse the reverse airflow compensation control parameter with the basic phase-change control signal to obtain a target phase-change control signal. And the intelligent balance between the starting performance and the energy efficiency is realized.
Owner:SHENZHEN HUAXIA HENGTAI ELECTRONICS

Electric automobile motor and driver integrated intelligent cooling system and control method

The invention relates to the technical field of electric vehicle thermal management, discloses an electric vehicle motor and driver integrated intelligent cooling system and a control method, and aims at solving the problems that an existing motor driver thermal management system is low in cooling efficiency, high in energy consumption, complex and insufficient in space utilization rate. The method comprises the following steps: acquiring operation, thermal state and environment data; constructing a collaborative thermal model and predicting a thermal load; generating an optimal cooling strategy based on the predicted value and the target; the cooling liquid pump, the three-way valve and the cooling fan are adjusted, and cooling resources are dynamically distributed to achieve collaborative cooling. The system comprises a data acquisition module, a collaborative thermal model construction prediction module, an intelligent decision control module and an integrated cooling circulation execution module. By the adoption of the technical scheme, the cooling performance can be effectively improved, system energy consumption and complexity are reduced, space layout is optimized, the service life of parts is prolonged, and the reliability, the power performance and the endurance of the whole vehicle are improved.
Owner:HUBEI MALPASS POWER TECH CO LTD

Composite cold plate-phase change cold storage coupled liquid cooling server heat dissipation device

The invention discloses a composite cold plate-phase change cold storage coupled liquid cooling server heat dissipation device, which comprises a composite plate assembly, the composite plate assembly comprises a cold plate seat, a cold plate module, a phase change cooling module, an input port, an output port and an assembling mechanism, the cold plate seat is internally provided with a supporting and lining groove, and the supporting and lining groove is internally provided with a supporting and lining groove; the phase change cooling module is installed at the lower end of the cold plate module in an embedded mode, the input port and the output port are installed on the upper end face of the cold plate module, the lower end face of the cold plate module is movably connected with the upper end face of the supporting and lining groove, and the cold plate module is connected with an inner cavity of the cold plate base in a sleeved mode. A first connecting pipe is installed between the circulating pump and the output port and used for circulating cooling liquid in the circulating pump, and the cold storage assembly comprises a liquid storage box, a cover plate, cooling fins and a cooling fan. Through the coupling design of the composite cold plate and the phase change material, efficient absorption, dynamic buffering and multi-stage recovery of heat of the server are achieved, and the bottleneck of traditional liquid cooling heat dissipation is broken through.
Owner:ZHEJIANG WULUO SMART CITY TECHNOLOGY CO LTD

Intelligent control cooling fan driving method

The invention discloses an intelligent control cooling fan driving method, relates to the technical field of intelligent cooling, and solves the problems that the working mode of a traditional fan is irrelevant to an electric control working state, the fan always runs at the maximum rotating speed after electric control is started, and electric energy is wasted. The cooling fan driving method comprises the steps that the controller conducts power sampling and dynamic calibration on the direct-current side and the alternating-current side of the inverter circuit respectively, and voltage and current are obtained; calculating corresponding power and a power loss value according to the corresponding voltage and current on the two sides, performing temperature compensation on the power loss value according to the junction temperature of the field effect transistor to obtain real-time power loss, and recording loss duration; according to the environment temperature, a loss power threshold value and a loss time threshold value are preset and compared with the real-time power loss and the loss duration time, and meanwhile the real-time power loss and the loss duration time are stored to the controller; and establishing a nonlinear mapping model of the PWM duty ratio and the voltage of the electric control high-power output port, and regulating and controlling the rotating speed of the fan in combination with a multi-stage speed regulation mechanism so as to complete the driving control of the fan.
Owner:ZHENGZHOU JIACHEN ELECTRIC CO LTD

Heat dissipation optimization method and system for air conditioner control panel

The invention relates to a heat dissipation optimization method and system for an air conditioner control panel, and belongs to the technical field of energy-saving air conditioner heat dissipation. Comparing the real-time temperature data with a preset temperature threshold value, and determining a heat dissipation mode; when the real-time temperature data is lower than a first threshold value, a first-stage heat dissipation mode is started, a heat dissipation fan is controlled to operate at the lowest rotating speed, and a basic heat conduction path of a cooling fin is activated; when the real-time temperature data is between a first threshold value and a second threshold value, a second-stage heat dissipation mode is started, the rotating speed of a heat dissipation fan is adjusted to be in linear proportion to the real-time temperature data, and an expansion heat conduction path of a cooling fin is started to increase the heat dissipation area; and when the real-time temperature data exceeds a second threshold value, starting a three-stage heat dissipation mode, switching to phase change material auxiliary heat dissipation, controlling a heat dissipation fan to operate at the maximum rotating speed, dynamically adjusting the heat conduction efficiency of a heat dissipation sheet through a pulse width modulation signal, and triggering a temperature alarm signal.
Owner:SHENZHEN JINYE HARDWARE PROD FACTORY

Heat dissipation fan optimization method and apparatus, and electronic device and storage medium

The present application relates to the technical field of computers. Disclosed are a heat dissipation fan optimization method and apparatus, and an electronic device and a storage medium. The method comprises: acquiring a first optimization parameter sample set of a heat dissipation fan; on the basis of the first optimization parameter sample set, performing simulation calculation on a performance parameter of the heat dissipation fan; on the basis of a simulation result of the performance parameter and a simulation result of a noise parameter, selecting a target optimization index that is positively correlated with the noise parameter; performing heat dissipation performance simulation calculation and target optimization index simulation calculation of the heat dissipation fan, so as to obtain a heat dissipation performance simulation result and a target optimization index simulation result; and on the basis of the heat dissipation performance simulation result and the target optimization index simulation result, determining a target optimization strategy for the heat dissipation fan, so as to optimize the heat dissipation fan according to the target optimization strategy. A target optimization index is selected to replace a noise parameter, and a target optimization strategy for a heat dissipation fan is then determined on the basis of a simulation result of the target optimization index, so that the optimization efficiency of the heat dissipation fan is improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

refrigerator

A refrigerator may include: a body, a storage compartment inside the body, a thermoelectric module on an upper portion of the storage compartment and including: a thermoelectric element including: a heating and a cooling portion, a dissipating and a cooling sink in contact with the heating and cooling portion, respectively; a heat dissipation (HD) fan configured to generate an airflow, a HD duct having an inlet and outlet, the HD duct on an upper surface of the body and configured to guide the airflow through the inlet to the dissipating sink to exchange heat with the dissipating sink, and then out the outlet; and a dust filter mountable on the inlet and configured so that, with the dust filter mounted on the inlet and the HD fan generating the airflow, the dust filter prevents foreign substances in the airflow from entering inside the HD duct through the air inlet.
Owner:SAMSUNG ELECTRONICS CO LTD

Cooling fan with side suction type flow channel

The utility model relates to the technical field of fans, in particular to a cooling fan with a side suction type flow channel, which comprises a base, a side suction type flow channel, a side suction type flow channel and a side suction type flow channel, the rotor is rotationally arranged in the accommodating cavity and is provided with an axis; the stator is fixedly arranged in the accommodating cavity and is coaxial with the rotor; the stator is provided with a shaft tube part corresponding to the axis, a first bearing is arranged in the shaft tube part, and the axis is sleeved with the first bearing; the base is provided with at least one side suction type flow channel, and the side suction type flow channel forms an air inlet in the surface, facing the air inlet side, of the base and forms an air outlet in the cavity wall of the containing cavity. An included angle is formed between the extending direction of the axis of the air inlet and the extending direction of the axis of the air outlet. Through the arrangement of the side suction type flow channel, the air inflow in unit time is increased, the performance and efficiency of the fan are improved, more air flows more effectively take away heat, and the heat dissipation effect is improved.
Owner:SUZHOU FORCECON ELECTRIC

High-power stadium LED lighting ceiling lamp with high heat dissipation performance

The invention discloses a high-power stadium LED lighting ceiling lamp with high heat dissipation performance, and relates to the technical field of LED lighting ceiling lamps. The LED lamp comprises a lamp shell and an LED lamp panel, a heat insulation plate, a circulating pipe and a cooling fan which are sequentially distributed are arranged in the lamp shell, a heat conduction barrel is arranged on the heat insulation plate, the LED lamp panel is arranged on the heat conduction barrel, a plurality of heat conduction fins are arranged on the heat conduction barrel, and an air inlet, an exhaust pipe and a micro water pump are arranged on the lamp shell. The input end of the micro water pump communicates with the heat conduction cylinder through a pipeline, and a plurality of cooling fins are arranged on the circulating pipe. According to the LED lamp panel, a passive heat dissipation mode (for example, natural heat diffusion only depends on cooling fins or radiators) which is commonly depended on in the prior art is abandoned, an air cooling system and a liquid cooling system are innovatively and efficiently coordinated to work, active multi-stage heat dissipation of the LED lamp panel is achieved, and compared with a traditional passive heat dissipation scheme, the LED lamp panel has the advantages of being high in heat dissipation efficiency and good in heat dissipation effect. The internal temperature of the lamp can be obviously prevented from rising, and the heat dissipation efficiency is greatly improved.
Owner:NANTONG NINGRAN OPTOELECTRONICS TECHNOLOGY CO LTD

Bottom die cooling disc of automobile hub gravity casting die

The utility model discloses a bottom die cooling disc of an automobile hub gravity casting die, which belongs to the technical field of automobile contour casting and comprises a bottom die body, a cooling pipe is arranged in the bottom die body, a liquid storage tank is fixedly connected to the bottom surface of the bottom die body, one end of the cooling pipe is fixedly communicated with the upper surface of the liquid storage tank, and the other end of the cooling pipe is fixedly communicated with the liquid storage tank. An auxiliary water pump is arranged in the liquid storage tank, the other end of the cooling pipe penetrates through the liquid storage tank and fixedly communicates with the water outlet end of the auxiliary water pump, four auxiliary cylinders are fixedly connected to the bottom face of the liquid storage tank, and a semiconductor chilling plate and a cooling fan are fixedly connected to the inner wall of each auxiliary cylinder. The bottom face of each semiconductor chilling plate is fixedly connected with a cooling fin. According to the bottom die cooling disc of the automobile hub gravity casting die, through cooperation of a plurality of assemblies, the efficient cooling capacity is achieved, long-time cooling is not needed during contour production, the contour production efficiency is effectively improved, and the effects of increasing production benefits and improving the using effect are achieved.
Owner:KUNSHAN ZHONGYITE MACHINERY IND

Condensate water ultrasonic atomization cooling device

The utility model discloses a condensate water ultrasonic atomization cooling device, which relates to the field of air conditioners and is characterized in that a radiator, a circulating pump and a water cooling head are connected through pipelines to form a cooling loop; a water supply port of the water collecting tank is in pipeline connection with the ultrasonic atomization head and the drainage electromagnetic valve; the internal temperature and humidity sensor, the external temperature and humidity sensor and the water level sensor are electrically connected with an input port of the main control board; the ultrasonic atomization driving plate, the cold air fan, the drainage electromagnetic valve, the circulating pump, the cooling fan and the semiconductor chilling plate are electrically connected with an output port of the main control panel; the ultrasonic atomization head is electrically connected with the ultrasonic atomization driving plate; the heat dissipation efficiency of the radiator is improved through condensate water ultrasonic atomization cooling, an external temperature and humidity sensor and a main control board are arranged to accurately control the spraying amount of an ultrasonic atomization head, the condensate water utilization rate is improved, a low-temperature protection mechanism is arranged, and the energy efficiency ratio is improved through control of a PID algorithm in the refrigeration process.
Owner:陈平

Power electronic transformer with shielding structure

The invention relates to the technical field of transformers, in particular to a power electronic transformer with a shielding structure, which mainly comprises a transformer body, a radiator is fixedly mounted on the side surface of the transformer body, a cooling fan is fixedly mounted at the end part of the radiator, and a weak current box is fixedly mounted at the end part of the transformer body. Double oil mist separation is achieved through the deoiler, one is that spiral ascending airflow is formed through guiding of the jet pipe, oil mist in gas is removed according to the centrifugal demisting principle, and the other is that residual oil mist in the gas is secondarily intercepted through the filter element pipe, so that the oil mist in respiratory airflow can be effectively removed, the oil mist interception efficiency is remarkably improved, and the oil mist separation efficiency is greatly improved. Meanwhile, the elastic membrane of the buffer can absorb sudden pressure change of the oil conservator through elastic deformation, so that the pressure fluctuation amplitude is reduced when the load changes suddenly, pulverization or structural damage of the drying agent caused by strong airflow impact is avoided, it is ensured that the moisture absorption drying agent is always in a clean and stable working environment, and the efficient dehumidification capacity is maintained.
Owner:SHANDONG LUKONG ELECTRIC POWER EQUIP CO LTD +1

Energy storage battery module management device for energy storage power station

The invention discloses an energy storage battery module management device for an energy storage power station, and relates to the technical field of energy storage power stations, the energy storage battery module management device comprises a box body, the front surface of the box body is provided with a box door, the front surface of the box door is provided with an intelligent controller and an environment sensor, the intelligent controller and the environment sensor are electrically connected through a wire, and the inner wall of the box body is provided with two groups of slide rails. External environment parameters and real-time temperature data of all areas in the box body can be fused and analyzed through the intelligent controller, when the temperature of an energy storage battery pack exceeds a threshold value, the rotating speed and power of a cooling fan in a cooling assembly are accurately regulated and controlled according to the temperature difference of all the areas, targeted cooling is achieved, and when the external environment is appropriate, natural ventilation is automatically switched to be dominated, so that energy is saved. The low-power cooling fan is only used for assistance, the problems of heat dissipation blind areas and resource waste caused by traditional single-point temperature measurement are solved, accurate temperature control is achieved, battery performance degradation and safety risks are avoided, meanwhile, energy consumption is greatly reduced, the operation cost is reduced, and the service life of equipment is prolonged.
Owner:JIANGSU SUWO POWER NEW ENERGY CO LTD

Flight case liquid cooling heat dissipation temperature control optimization method, system and equipment

The invention relates to the technical field of temperature control optimization, and discloses an aviation case liquid cooling heat dissipation temperature control optimization method, system and equipment, and the method comprises the steps: collecting instantaneous temperature data, temperature change rate data and thermal load data through a temperature sensor array on the surface of an aviation case; calculating to obtain an instantaneous temperature deviation value, a temperature change rate deviation value and a thermal load deviation value; generating a temperature tracking prediction value based on the instantaneous temperature deviation value, the temperature change rate deviation value and the thermal load deviation value; and liquid cooling heat dissipation parameter collaborative optimization is executed based on the temperature tracking predicted value, an optimal parameter control strategy is determined, and the flight box liquid cooling pump rotating speed, the adjusting valve opening degree and the heat dissipation fan frequency are synchronously adjusted according to the optimal parameter control strategy, so that intelligent collaborative optimization of the liquid cooling pump rotating speed, the adjusting valve opening degree and the heat dissipation fan frequency is realized; and the stability and the reliability of the aviation case liquid cooling heat dissipation temperature control system are improved.
Owner:SHENZHEN T-BRISUN CASE CO LTD

Modularized integrated tractor thermal management method and electro-hydraulic control heat dissipation system

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.
Owner:FIRST TRACTOR

Processor heat dissipation system

The utility model discloses a processor heat radiation system, comprising a heat conduction plate, the bottom surface of which is used for abutting against a processor in a heat conduction manner; the first radiator comprises a first heat conduction pipe and a plurality of first radiating fins, the plurality of first radiating fins are connected to the first heat conduction pipe, and the first heat conduction pipe is in heat conduction connection with the heat conduction plate; the semiconductor refrigeration sheet is provided with a refrigeration surface and a heat dissipation surface which are arranged back to back, and the refrigeration surface abuts against the top surface of the heat conduction plate; the second radiator comprises a second heat conduction pipe and a plurality of second radiating fins, the plurality of second radiating fins are connected to the second heat conduction pipe, and the second heat conduction pipe is in butt joint with the radiating surface in a heat conduction manner; and the cooling fan is used for driving airflow to flow through the first cooling fins and the second cooling fins. According to the processor heat dissipation system, the heat dissipation effect on the processor can be improved, and the overall structure of the processor heat dissipation system is simpler and more compact.
Owner:SHENZHEN HAIRUI TECHNOLOGY CO LTD