740results about How to "Meet cooling needs" patented technology

The invention relates to the technical field of liquid cooling, in particular to a distributed full liquid cooling device which comprises a liquid cooling distribution module, a liquid supply main pipe, a liquid return main pipe and a plurality of liquid cooling modules, and the liquid cooling distribution module adjusts the flow speed of low-temperature cooling liquid in the liquid supply main pipe according to the total heating value, so that the overall heat dissipation balance of a system is guaranteed; the cooling liquid inlet flow of each liquid cooling unit is accurately regulated and controlled based on the inlet and outlet liquid temperature difference and the real-time liquid supply mass flow of the liquid cooling units in the liquid cooling module and the real-time reference power of the electronic equipment, so that the heat dissipation requirement of the single liquid cooling module can be met; meanwhile, the liquid cooling distribution module can control the opening state of the jet flow unit according to the surface temperature of the heating element in the electronic equipment, and local enhanced cooling can be conducted on the heating element. According to the distributed full liquid cooling device, accurate control from a global system to a local system is realized through distributed management, and heat dissipation requirements of different levels can be met.

The invention provides a multifunctional electric energy metering box, and relates to the technical field of electric energy metering boxes, the multifunctional electric energy metering box comprises an electric energy metering box, communication grooves are formed in two side walls of the electric energy metering box, first inner grooves are formed in the two communication grooves, and first heat dissipation openings and second heat dissipation openings are formed in two side walls of the electric energy metering box; the two second heat dissipation openings are located below the two first heat dissipation openings, an electric energy metering box door is hinged to the electric energy metering box, an observation window and a control panel are arranged on the electric energy metering box door, a containing groove is formed in the side wall of the electric energy metering box, a protective cover is fixedly installed on the side wall of the electric energy metering box, and the protective cover is located over the containing groove. The top of the inner wall of the electric energy metering box is fixedly provided with a fixed box body. The self-adaptive mechanism of the equipment reduces faults caused by overheating or moisture, reduces the maintenance cost, protects electrical elements, ensures the stable operation of the whole system, and improves the reliability and stability of the equipment.

The invention relates to the technical field of refrigerating system control, discloses a load distribution control method, system and equipment for a refrigerating host parallel system, and aims to solve the problem of how to find the number of operating refrigerating host nodes corresponding to an optimal energy efficiency value in the parallel system. The method comprises the following steps: acquiring a three-dimensional performance array table corresponding to inlet and outlet temperatures, load rates and energy efficiency values of each refrigeration host; the real-time refrigerating capacity of each refrigerating main machine is obtained, the real-time total refrigerating capacity of the system is determined, and the range of the number of the main machines needing to operate is determined by combining the rated refrigerating capacity and the minimum refrigerating capacity of the main machines; determining the energy efficiency value in the table corresponding to each host under each corresponding number of host combinations in the number range, calculating the total energy efficiency value of each corresponding number of host combinations, and obtaining the number of hosts corresponding to the maximum total energy efficiency value as the optimal number of running hosts; and loading and unloading are carried out based on the current operation number and the optimal operation number. By means of the method, the system meets the refrigeration requirement and meanwhile reaches the optimal energy efficiency value.

The invention discloses a preparation process of a high-thermal-conductivity composite substrate, and the process comprises the steps: fixing a pre-prepared skeleton on an insulating base layer, and enabling branches of the skeleton and the surface of the insulating base layer to jointly define a plurality of heat dissipation spaces; dividing the plurality of heat dissipation spaces into at least one high heat dissipation space and at least one low heat dissipation space according to the layout and heating characteristics of a predetermined electronic component; a first heat-conducting filler is injected into the high-heat-dissipation space, a second heat-conducting filler is injected into the low-heat-dissipation space, curing treatment is conducted, the heat conductivity coefficient of the first heat-conducting filler is larger than that of the second heat-conducting filler, and the first heat-conducting filler and the second heat-conducting filler are combined with the framework to form a heat-conducting layer; a functional layer of the printed circuit board is fixed on the surface of the heat conduction layer, the area, corresponding to the high-heat-dissipation space, of the functional layer is used for installing high-heat-dissipation electronic elements, and the area, corresponding to the low-heat-dissipation space, of the functional layer is used for installing low-heat-dissipation electronic elements According to the technical scheme, different heat conduction measures can be adopted for different heating elements.

The invention discloses a commercial vehicle thermal management system and a control method thereof.The system comprises an electric control unit, an engine cooling loop, a hydraulic retarder cooling loop, a cooling loop on-off unit and a temperature detection unit, and the cooling loop on-off unit is used for connecting and disconnecting the hydraulic retarder cooling loop and the engine cooling loop and / or connecting and disconnecting the hydraulic retarder cooling loop and the engine cooling loop; the cooling loop on-off unit is used for bypassing a hydraulic retarder cooling loop; the temperature detection unit is used for detecting the environment temperature, the cooling liquid temperature and / or the cylinder cover temperature. The electric control unit controls the heat management valve, the electronic water pump, the electronic fan and the air inlet grid switch according to temperature signals. And the electric control unit controls the cooling loop on-off unit according to the working state of the hydraulic retarder so as to connect and disconnect the hydraulic retarder cooling loop and the engine cooling loop. Therefore, the engine and the hydraulic retarder share one set of cooling loop, and the cooling loop is switched on and off according to the working state of the hydraulic retarder, so that the vehicle has good heat dissipation performance.

The embodiment of the utility model provides a heat dissipation framework, a plug-in frame, network equipment and a communication system, relates to the technical field of communication, and is used for ensuring the heat dissipation requirement before and after network upgrading and reducing the cost at the same time. The heat dissipation framework comprises a heat dissipation frame body, at least one limiting piece and at least one fan box. The heat dissipation frame body is provided with a heat dissipation cavity. The heat dissipation frame comprises a first cavity wall and a second cavity wall which are oppositely arranged. And a first ventilation opening communicated with the heat dissipation cavity is formed in the heat dissipation frame body. The limiting piece is located in the heat dissipation cavity, and the limiting piece is arranged on the first cavity wall. A first containing cavity is formed between the surface of the side, away from the first cavity wall, of the limiting piece and the second cavity wall. The limiting piece divides the heat dissipation cavity into a second containing cavity and a third containing cavity in the extending direction of the limiting piece. The fan box is located in the heat dissipation cavity, and an air opening of the fan box faces the first ventilation opening. The fan box is in sliding fit with the limiting piece in the extending direction of the limiting piece.

The invention provides a seabed data center double-loop cooling system suitable for a shallow sea area, and the system comprises a heat exchanger which is respectively communicated with a pressure reducing valve, a cooling working medium storage box and a compressor through a first circulation loop; the heat exchanger is provided with an open-loop cooling channel, seawater circulates in the open-loop cooling channel, and the cooling working medium in the circulation loop is cooled through the seawater. Seawater can also directly cool the subsea data center cooling housing through the second circulation loop via valve control. According to the invention, the cooling requirements of the seabed data center can be met at different seawater temperatures through the two circulation loops, and meanwhile, the energy consumption and the PUE value of the cooling system are reduced.

An integrated electric wheel with a cooling function comprises a hub motor with a cooling water channel, a planetary reducer connected with a rotating shaft of the hub motor, a hub connected with the output end of the planetary reducer and a brake fixed to the hub, and is characterized in that the cooling water channel in the hub motor extends forwards to the periphery of the planetary reducer; and the planetary reducer is circularly cooled, and an oil guide assembly for collecting oil liquid thrown out in the circumferential direction and conducting lubricating and heat dissipation on the planetary reducer is assembled on the planetary reducer. Lubricating and radiating efficiency of parts close to the center of the speed reducer is effectively improved, temperature rise and part abrasion in the speed reducer are slowed down, the probability of abnormal transmission caused by bearing sintering and gear abrasion due to high temperature is effectively reduced, transmission reliability of the planetary speed reducer is improved, and the service life of the planetary speed reducer is prolonged. Integrated optimization of multiple structures of the electric wheel is formed, the integration degree is improved, whole vehicle arrangement is facilitated, the power density of the electric wheel is improved, and the cruising ability of the electric wheel is improved.

The invention provides an electric drive cooling control method and device, electronic equipment and a storage medium, and belongs to the technical field of new energy automobiles. The method comprises the following steps: acquiring reference parameters, wherein the reference parameters comprise a current torque value of a driving motor, a torque estimated value corresponding to a preset time node of the driving motor and a torque change rate; based on the reference parameters, determining the cooling flow required at present and the cooling flow required by the preset time node; and the actual output flow of cooling liquid used for cooling an electric drive system is adjusted based on the currently needed cooling flow and the cooling flow needed by the preset time node, and the electric drive system comprises a drive motor and a motor controller. By means of the method, the appropriate cooling liquid flow can be smoothly provided in time, so that the cooling requirement of the electric drive system is rapidly and stably met, the problems that the cooling liquid is not provided in time, and the cooling liquid flow changes suddenly are solved, the damage probability of the electric drive system is reduced, and the service life of the electric drive system is prolonged.

The invention discloses a dual-mode driving parking air conditioning system for a military fuel vehicle and a refrigeration method, and the system comprises a compressor and support module, a condensation heat dissipation module, an evaporator and pipeline module, a power supply and wiring harness module and a liquid storage module, the power source and wire harness module serves as the core of the system to support a chassis power drive mode and a mains supply mode, the power source and wire harness module comprises a dual-mode integrated air conditioner comprehensive power source (16) providing power for the dual-mode integrated compressor (1) and a connecting wire harness (24) providing power for the dual-mode integrated air conditioner comprehensive power source (16), and the connecting wire harness (24) is externally connected with a mains supply through an input aviation plug (4). During driving, the engine drives the compressor to rotate through the transmission belt (3); during parking, the electric drive controller (106) of the compressor converts the commercial power AC220V into the power supply voltage DC300V required by the compressor to drive the compressor to work, so that two working modes of power take-off by a chassis transmission belt during driving and power supply by the commercial power during parking are realized, and the refrigeration requirements during driving and parking are met.

The invention relates to the technical field of electronic device cooling, and provides an intelligent bionic surface heat dissipation device. The intelligent bionic surface heat dissipation device comprises a base body, the base body is provided with a heat dissipation face and a cavity formed in the base body, a plurality of liquid drainage holes are formed in the heat dissipation face to form a capillary structure, and the liquid drainage holes are communicated with the cavity; the heat dissipation medium is accommodated in the cavity; the plug is arranged on the base body, and the plug can be switched between a first working position and a second working position along with temperature changes; under the condition that the plug is located at the first working position, the drain hole is plugged by the plug; and under the condition that the plug is located at the second working position, the drain hole is opened by the plug, and the heat dissipation medium can be discharged to the heat dissipation surface from the drain hole under the action of capillary force. The intelligent bionic surface heat dissipation device imitates the perspiration process of the human body, the base body is endowed with the heat dissipation capacity adjusting function, the heat dissipation capacity can be adjusted along with changes of the working conditions, and the heat dissipation requirement of electronic devices under the variable working conditions of the ship is met.

The utility model discloses a mixing device for ceramic tile back adhesive production, which comprises a stirring tank, a mixing assembly is arranged on the inner side of the stirring tank, the mixing assembly comprises a servo motor, a stirring rod, a stirring blade, a driven rod, a stirring sleeve, a driving rod and a supporting frame, the servo motor is mounted on the top of the stirring tank, and the stirring blade is mounted on the stirring sleeve. The stirring rod is connected to the output end of the servo motor, the stirring blades are arranged on the outer side of the stirring rod, the driven rods are connected to the two sides of the stirring rod, the stirring sleeve is arranged on the driven rods, the driving rod is arranged on the stirring sleeve, the supporting frame is arranged at the bottom end of the stirring tank, and the water bath assembly is arranged outside the stirring tank. The water bath assembly comprises an interlayer, a gap and a water tank, the interlayer is arranged on the outer side of the stirring tank, the gap is formed between the interlayer and the stirring tank, and the water tank is arranged on one side of the stirring tank, so that the technical problem that the existing device mentioned in the background technology is insufficient in the stirring process of the tile gum is solved.

The invention provides a system and method for controlling the temperature of a domain controller, and belongs to the technical field of domain controller temperature control, the system comprises a domain controller, a sensor module and an actuator module, the input end of the domain controller is connected with the output end of the sensor module, and the output end of the domain controller is connected with the input end of the actuator module; the sensor module inputs environment information to the domain controller, and the domain controller outputs a control instruction to the actuator module. In the working process, the domain controller detects the environment temperature through the environment temperature sensor, and the domain controller records current data of the system-on-chip; the domain controller processes the current data, and simulates and calculates the temperature of the system-on-chip; and the domain controller takes corresponding measures according to the temperature of the system-on-chip. According to the invention, the cooling requirement of the domain controller is met, the temperature control is more accurate, and the protection effect and the safety of the automobile are improved.

The invention relates to an underwater data center thermal management method, which comprises the following steps: S1, starting a gas-liquid alternate heat dissipation device, and operating a system embedded with the method; s2, acquiring a first detection parameter and performing calculation, and judging a working mode adopted by the device based on a calculation result, wherein the working mode is a liquid cooling working mode or an air cooling working mode; s3, if the working mode is liquid cooling, collecting a second detection parameter, and determining the pump power of the water pump in combination with a PID control algorithm and a PWM control technology; if the working mode is air cooling, a third detection parameter is collected, and the fan motor power is determined by combining a PID control algorithm and a PWM control technology; s4, periodically judging and updating the working mode of the device; and if the switching frequency of the working mode of the device in the first time threshold value exceeds a first frequency threshold value, forcing the device to operate the liquid cooling working mode until the operation duration of the liquid cooling working mode exceeds a second time threshold value. The method is beneficial to improving the heat dissipation capability and energy efficiency of the underwater data center.

The utility model relates to a fresh air refrigerating machine with an efficient condensation heat dissipation function. The fresh air refrigerating machine comprises a refrigerant circulation flow path, a fresh air flow path and a condensation heat dissipation air flow path. The refrigerant circulating flow path comprises a first refrigerant circulating flow path and a second refrigerant circulating flow path; the first refrigerant circulating flow path comprises a first compressor, a condenser refrigerant channel first module, a first throttling element and a refrigerant channel of a first evaporator; the second refrigerant circulating flow path comprises a second compressor, a condenser refrigerant channel second module, a second throttling element and a refrigerant channel of a second evaporator; condensation heat dissipation air flow paths are symmetrically distributed on the two sides, and four condensers distributed in a staggered mode are arranged on the condensation side of the fresh air refrigerating machine. Compared with the prior art, the efficient condensation heat dissipation mode is adopted, the four heat exchangers are arranged on the condensation side and are ingeniously arranged and reasonably distributed to the two refrigerant circulation loops, and better heat exchange matching of the refrigerant side and the air side is achieved.

The invention provides a vehicle-mounted high-power air conditioner power supply system and method, and belongs to the technical field of vehicle power supply, and the system comprises a first air conditioner system which is mechanically connected with an engine, and the engine is mechanically connected with a first generator and a second generator and is used for receiving a driving power utilization control instruction; an engine is controlled to work based on a driving power utilization control instruction, a first power generator and a second power generator are driven to generate power through work of the engine, the first power generator is electrically connected with a vehicle chassis battery, the second power generator is electrically connected with a storage battery, the storage battery is electrically connected with a first input end of an AC / DC conversion module, and a first output end of the AC / DC conversion module is electrically connected with a second output end of the AC / DC conversion module. The AC / DC conversion module is electrically connected with the second air conditioning system, and the external power supply module is electrically connected with the second input end of the AC / DC conversion module and used for receiving the parking power utilization control instruction and supplying power to the AC / DC conversion module based on the parking power utilization control instruction.

The heat dissipation device comprises a circuit board, a water cooling plate, a memory heat dissipation assembly and a plurality of water conveying pipes, and the circuit board is provided with a CPU installation position and a memory bank installation position; the water cooling plate is fixed to the circuit board and located at the top of the CPU installation position, and a first water flowing cavity is formed in the water cooling plate. The memory heat dissipation assembly comprises two heat dissipation frames and a heat conduction piece, the two heat dissipation frames are fixed to the circuit board and located on the two opposite sides of the memory bank installation position respectively, a second water flowing cavity is formed in each heat dissipation frame, one end of the heat conduction piece is detachably fixed to one heat dissipation frame, and the other end of the heat conduction piece is detachably fixed to the other heat dissipation frame; the heat-conducting fins are used for exchanging heat with the memory banks mounted on the memory bank mounting positions and the two heat dissipation racks; the multiple water conveying pipes are used for communicating the first water flowing cavity with the two second water flowing cavities so as to form a water flowing channel. According to the technical scheme, efficient water-cooling heat dissipation of the CPU and the memory bank can be achieved at the same time.

The utility model discloses a vehicle front end cooling system which comprises an air inlet grille located at the front end of a vehicle and further comprises an engine, a radiator and an intercooler which are arranged in a front cabin of the vehicle. The engine is provided with a liquid cooling channel and an air cooling channel; the radiator is communicated with the liquid cooling channel, and the radiator is used for cooling the cooling medium in the liquid cooling channel; the intercooler communicates with the air cooling channel and is used for cooling a cooling medium in the air cooling channel; a main ventilation structure for guiding air to sequentially pass through the air inlet grille, the radiator and the engine is arranged in the front cabin; an air cooling channel for guiding air to pass through the intercooler is further arranged in the front cabin, and an air inlet of the air cooling channel is located at the front end of the vehicle. The air cooling channel does not communicate with the main ventilation structure, the heat dissipation efficiency of the front end of the vehicle can be improved, and then the requirement for power economy is met.

The invention discloses a pressure-shear tester oil pressure monitoring system and method based on scene analysis, and belongs to the technical field of oil pressure monitoring control, and the method specifically comprises the steps: collecting related data of a pressure-shear tester, including oil pressure data, load data, temperature data and displacement data, and preprocessing the collected related data of the pressure-shear tester, the method comprises the following steps: extracting different scene modes in a classified manner according to pre-processed related data of the compression-shear testing machine, an operation mode of the compression-shear testing machine and an external environment condition, establishing an oil pressure monitoring model based on scene analysis, predicting an oil pressure value in real time, and adjusting oil pressure in real time by utilizing an oil pressure control adjustment strategy based on an oil pressure prediction result. In the oil pressure monitoring process, automatic alarming is carried out on abnormal conditions, and an oil pressure control adjustment strategy is optimized based on historical data collected in the test process; according to different test conditions, the oil pressure variable quantity can be calculated in real time, the oil pressure can be accurately adjusted, and different test requirements can be met.

The utility model discloses a 3D printing efficient heat dissipation mechanism and a 3D printer, the 3D printing efficient heat dissipation mechanism comprises an effector shell, the effector shell comprises an upper shell and a lower shell, the upper shell is provided with an air guide pipe, and the lower shell is provided with an air distribution device; an air inlet is formed in the upper end of the air guide pipe and connected with an external air supply device through an air supply pipeline. An air outlet is formed in the lower end of the air guide pipe; the air distribution device comprises an air duct, the air duct is connected with an air outlet of the air guide pipe, and the air duct is provided with a first exhaust structure for dissipating heat of the nozzles. According to the utility model, air is supplied to the air guide pipe through the external air supply device, and the air is conveyed to the air duct of the air distribution device by the air guide pipe and is exhausted from the air exhaust structure, so that the air quantity and the air speed of an actual acting part can be increased, the heat dissipation efficiency of the 3D printer during printing is ensured, the overall weight of the effector is reduced, and the occupied space is small.

The invention relates to a dynamic self-adaptive water chilling unit energy-saving adjusting method and system which are used for solving the problem that the energy consumption of the system is too high due to the fact that a water chilling unit operates for a long time under the fixed working condition, and the method comprises the steps that the return water flow, the return water temperature and the water supply temperature of chilled water are obtained; calculating the current cooling load of the system based on the return water flow and the supply and return water temperature; determining a cooling load correction temperature according to the maximum cooling load and the current cooling load; acquiring a preset target relative humidity and an actual average relative humidity, and determining a dehumidification correction temperature according to the preset target relative humidity and the average relative humidity; determining a water outlet temperature correction value based on the cold load correction temperature and the dehumidification correction temperature; according to the outlet water temperature correction value, the preset standard working condition water supply temperature is corrected; and the chilled water outlet temperature of the water chilling unit is adjusted according to the chilled water outlet temperature target value. According to the method, the outlet water temperature is adjusted, the refrigeration requirement is met, the dehumidification effect is considered, and the overall energy efficiency of the system is improved.

The invention discloses an explosion-proof motor with a cooling shaft structure, and relates to the technical field of motors, the explosion-proof motor comprises a mounting bottom plate, the upper end surface of the mounting bottom plate is fixedly connected with an explosion-proof outer shell, the upper end of the interior of the explosion-proof outer shell is provided with an explosion-proof inner shell, the interior of the explosion-proof inner shell is provided with a stator assembly, and the interior of the explosion-proof inner shell is rotatably connected with a motor shaft. A rotor assembly is arranged at the position, located in the anti-explosion inner shell, of the motor shaft. The end, located in the explosion-proof shell, of the motor shaft is fixedly connected with an end shaft, the end, away from the motor shaft, of the end shaft is fixedly connected with a six-edge shaft, a heat exchange channel is formed in the motor shaft, and a communication channel is formed in the end shaft. According to the invention, through the arrangement of the connection joint, the cold shaft assembly, the heat exchange channel, the communication channel and the communication hole, the motor shaft and the interior of the explosion-proof inner shell can be cooled during working, so that internal cooling can be realized, and the conditions of overheating and thermal damage of the motor shaft are avoided.

The embodiment of the utility model discloses an optical module and optical communication equipment. The optical module comprises a shell, a substrate and a device, wherein the substrate and the device are located in the shell; the substrate is fixedly connected with the shell, the plurality of devices are arranged on the substrate, and the devices are jointed with the inner wall of the shell, so that the working heat of the device side is exchanged to the shell side; at least the shell part, connected with the device, of the shell is provided with a hollow cavity for containing a phase change working medium, so that an integrated two-phase heat exchange shell is formed. According to the arrangement, heat generated by the device side is conducted to the shell side, the phase change working medium in the hollow cavity can be heated and vaporized, and the cavity is filled with the gas working medium carrying heat, and the gas working medium makes contact with the low-temperature side wall face forming the hollow cavity and is rapidly condensed. Based on the integrated two-phase heat exchange shell structure, the heat conduction efficiency of the shell can be improved, and the temperature equalization capability of the optical module shell is enhanced. On the whole, the heat dissipation capability of the optical module can be effectively improved.

The utility model discloses a heat source water segmented cooling type two-stage two-class absorption heat pump, and belongs to the technical field of heat exchange equipment. Comprising a first-stage condenser, a second-stage condenser, a first-stage regenerator, a second-stage regenerator, a low-pressure evaporator, a low-pressure absorber, a high-pressure evaporator, a high-pressure absorber, a low-temperature heat exchanger, a high-temperature heat exchanger, a solution pump, a first-stage refrigerant feeding pump, a second-stage refrigerant feeding pump, a refrigerant circulating pump and a flash tank. The structure and process of heat source water segmented cooling and two-stage absorption and evaporation are adopted, refrigerant water circulation is conducted in a low-pressure absorber pipe, solution circulation is conducted outside the low-pressure absorber pipe, no heat transfer pipe is arranged in a high-pressure evaporator, the high-pressure evaporator conducts heat exchange in a refrigerant water flash evaporation mode, and refrigerant water flows through gravity and density difference; power devices such as a circulating pump do not need to be configured, the unit cost is reduced, heat source water cascade efficient utilization is achieved, the output grade and output of steam are improved, the heat exchange efficiency of the unit is improved, energy waste is avoided, and meanwhile stable operation of the unit can be guaranteed.

The invention discloses a preparation method of anti-aging organic silicon gel prepared from high-thermal-conductivity filler, which comprises the following steps: carrying out surface activation on boron nitride and silicon nitride by adopting surface plasma treatment; by adopting a nano coating technology, a thin organic coating layer is formed on the surface of the filler, and the uniform dispersity of the filler in a silicon matrix is optimized; the preparation method comprises the following steps: pre-mixing part of filler with vinyl silicone oil, primarily dispersing by using a high-speed shear mixer, and then adding hydrogen-containing silicone oil for secondary mixing; carrying out mixing and dispersing treatment under a vacuum condition, thoroughly dispersing the filler in a vacuum environment by utilizing ultrasonic waves, and carrying out degassing treatment at the same time; adding an anti-aging agent, an ultraviolet light absorber and a wetting agent, then adding a platinum catalyst and a curing accelerator, and adjusting the crosslinking speed; and injecting the mixed organic silicon gel material into a mold, and carrying out pre-curing treatment. By adopting the high-thermal-conductivity filler and optimizing the surface treatment and dispersion process of the filler, the heat dissipation capability and the aging resistance are remarkably improved.

The invention provides a centralized power supply device for fire-fighting emergency lighting, and relates to the technical field of emergency lighting light source control, the centralized power supply device comprises an inner cabinet body and an intelligent regulator, the lower end of the inner cabinet body is provided with an outer edge part, the outer side of the inner cabinet body is sleeved with an outer cabinet body, a heat dissipation cavity is formed between the outer cabinet body and the inner cabinet body, and the upper end of the outer cabinet body is provided with an air cooling assembly; liquid cooling assemblies are installed on the two sides in the outer cabinet body, an intelligent controller is installed on the inner side of the inner cabinet body through a fixing frame, a control algorithm and a BMS battery management system are preset in the intelligent controller, a main battery bin and a standby battery bin are installed on the two sides in the inner cabinet body respectively, and a first ATS change-over switch is installed on the inner side of the inner cabinet body. The input end of the first ATS change-over switch is electrically connected with the main battery compartment and the standby battery compartment; by introducing a regulation and control algorithm, the air cooling assembly and the liquid cooling assembly can be intelligently regulated according to the temperature and the load of the centralized power supply device in the working process, so that the waste of electric energy is reduced.

The invention provides an active antenna unit structure applied to a base station. Comprising an upper casing assembly, a lower casing assembly, and a transceiver board and an antenna assembly which are packaged between the upper casing assembly and the lower casing assembly. The upper casing assembly and the lower casing assembly are provided with heat dissipation teeth located in the packaging outer environment, the transceiving board is integrated with at least one of a transceiving chip, a power supply, a filter and a power amplifier, and at least one of the transceiving chip, the power supply, the filter and the power amplifier is in contact with the lower casing assembly and / or the upper casing assembly through a heat conduction material. Heat dissipation is carried out through the heat dissipation teeth of the lower machine shell assembly and / or the upper machine shell assembly. Compared with an active antenna unit of a traditional framework, the active antenna unit structure can reduce the influence of a thermal cascade effect on heat dissipation of a whole machine, heat of components such as a transceiver chip, a power supply, a filter and a power amplifier is conducted to the external environment more efficiently, and the whole machine is lighter under the same heat dissipation capacity.

The invention relates to the technical field of data center cooling, and provides a vortex air storage device, an air storage system, a zero-energy-consumption data center and a method. The vortex air storage device comprises an air storage chamber, an air inlet and an air outlet, the air inlet and the air outlet are communicated with the air storage chamber, the air inlet is used for receiving natural air, and the air outlet is used for supplying air to a machine room of the zero-energy-consumption data center; an air guide piece is arranged in the air storage chamber and used for guiding natural air to circularly flow in the air storage chamber in a vortex mode. According to the invention, the problems of high cost and large energy consumption of existing refrigeration and cooling of the data center are effectively solved, a stable wind field can be provided for the data center by utilizing collected natural wind, the equipment cost is low, the refrigeration and cooling of the data center can be realized without additionally consuming electric energy, and the refrigeration effect is ensured.

The embodiment of the invention provides a vehicle high-voltage electronic fan control method and device, equipment and a storage medium. The method comprises the steps that according to the target temperature set by an air conditioner and the environment temperature in a cab, the first minimum fan rotating speed needed by heat dissipation of a condenser is determined; according to the water temperature of the engine, the second minimum fan rotating speed needed by heat dissipation of the radiator is determined; according to the air inlet temperature of the engine, the third minimum fan rotating speed needed by heat dissipation of the intercooler is determined; and the maximum one of the first minimum fan rotating speed, the second minimum fan rotating speed and the third minimum fan rotating speed is determined as the target rotating speed, and the high-voltage electronic fan is controlled to operate at the target rotating speed. According to the method, the heat dissipation requirement of the current real-time running working condition of the vehicle can be met, and the energy consumption of the high-voltage electronic fan can be reduced due to the fact that the rotating speeds of the three fans are all the minimum fan rotating speeds.

The utility model provides a cabinet assembly and an energy storage device, the cabinet assembly is used for the energy storage device, the energy storage device comprises an energy storage conversion assembly and a temperature control assembly, the cabinet assembly comprises a cabinet body, the cabinet body is provided with a heat dissipation cavity, an air inlet and an air outlet, and the heat dissipation cavity is communicated with the air inlet and the air outlet; the partition plate assembly is arranged in the cabinet body and divides the heat dissipation cavity into a first air duct and a second air duct, the first air duct communicates with the air inlet and the air outlet, the second air duct communicates with the air inlet and the air outlet, the energy storage variable flow assembly is located in the first air duct, and the temperature control assembly is located in the second air duct. The heat dissipation cavity is divided into the two independent air channels through the partition plate assembly, the two independent air channels are used for conducting heat dissipation on the energy storage flow conversion assembly and the temperature control assembly respectively, the air inlet amount requirements of the energy storage flow conversion assembly and the temperature control assembly are met, and therefore the problem that the heat dissipation effect of the energy storage flow conversion assembly is affected due to the fact that the suction force of a fan of the temperature control assembly is large can be remarkably solved; the heat dissipation effect of the energy storage device is effectively improved, and efficient heat dissipation is achieved.