210 results about "Insufficient Cooling" patented technology

The invention relates to the technical field of hot galvanizing, and discloses an automobile hot galvanizing process parameter optimization method and system based on artificial intelligence, and the method comprises the steps: carrying out window division processing on initial cooling parameters, constructing a cooling rate matrix, and finely depicting heat exchange states of different cooling sections; the problem of insufficient cooling control precision under different cooling speed alternating conditions is solved, a microscopic image is combined to extract the grain main axis direction, calculate the mean value and range of included angles, generate a consistency index set and quantitatively describe the dispersion problem in the grain growth direction, the cooling speed and the consistency index are jointly matched, and a cooling speed structure offset matrix is constructed. The method comprises the following steps: identifying a space mutation region, accurately positioning abnormal coarse or abnormal arrangement positions of crystal grains, and finally screening target cooling parameters according to a cooling index value corresponding to an abnormal region to realize local adjustment of a cooling process, thereby reducing the abnormal growth rate of the crystal grains and improving the direction consistency of the crystal grains.

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.

The invention discloses a rolled piece temperature control system based on a steel rolling process, which relates to the technical field of steel rolling and comprises a detection module, a control module, an execution module and a cooling module, the detection module comprises infrared thermometer arrays, an ultrasonic thickness gauge, an electromagnetic flowmeter, a pressure transmitter and a thermal resistance thermometer, and the infrared thermometer arrays are used for being arranged in front of and behind a cooling section and respectively collecting initial temperatures before entering a cooling system. Through the self-adaptive PID algorithm, the finite difference heat conduction model and the Smith pre-estimation compensation strategy are combined, the problem of control delay caused by the large lag characteristic in the cooling process is solved, control parameters can be dynamically adjusted according to the rolling speed, the steel grade characteristic and the like, temperature adjustment better fits the actual working condition, and the control precision is improved. The phenomenon of supercooling or insufficient cooling in a traditional control mode is fundamentally avoided, and the uniformity and stability of the performance of rolled pieces are guaranteed.

The invention discloses a current rotating speed mapping control method of a liquid cooling system, and relates to the technical field of liquid cooling systems, and the control method comprises the steps: constructing a double-domain model of a motor domain and a thermal load domain, carrying out the online identification of a liquid path impedance parameter in an operation process, and obtaining a current rotating speed mapping model; a target rotating speed instruction is generated in combination with a current-rotating speed mapping reference result and a thermal load flow estimation result, self-adaptive pump speed control is achieved through weight adjustment and smooth constraint driven by residual errors, and meanwhile baseline mapping and a pump family curve are dynamically updated through a memory buffering and batch reestimation mechanism; according to the invention, the self-adaptive capability and the cooling control stability of the liquid cooling system under complex working conditions are obviously improved, and the contradiction between insufficient cooling and energy consumption increase is effectively avoided.

The utility model discloses a midsole secondary foaming forming machine cooling device which comprises a base, the top of the base is fixedly connected with a fixing block, one side of the fixing block is provided with a round through groove, a placing assembly used for placing a mold is arranged in the round through groove, the top of the base is fixedly connected with a bearing seat, and the bearing seat is provided with a bearing block. A cylinder is rotationally connected into the bearing seat through a bearing, a cavity is formed in the cylinder, a spiral pipe is fixedly connected into the cavity, and a connecting frame is fixedly connected to the inner wall of the cylinder. According to the utility model, the surface of the mold can be uniformly cooled through rotating centrifugal force, the problems of local supercooling and insufficient cooling of the mold are reduced, the deviation of medium and low density is reduced, the rotating speed required by different foaming materials can be matched, the rotating speed adjusting time is shortened, and the convenience of the device is improved; and the placing frame can be pushed to the middle of the cylinder, so that the production efficiency of the device is improved.

The present invention discloses a tableting device for powder coating production, and relates to a tableting device comprising an equipment frame, a panel fixedly connected to the equipment frame, a driving roller and a driven roller rotatably connected to the panel, the driving roller and the driven roller being connected via a gear transmission, the driving roller and the driving motor being connected via a gear transmission, the driving roller and the driven roller both comprising a rotating extrusion roller body, the outer edges of the extrusion roller bodies being provided with cooling channels for supplying cool air, and a cooling fan being further provided on the equipment frame for supplying air to the cooling channels. By providing cooling channels on the driving roller and the driven roller, the cooling airflow provided by the cooling fan can be injected into the cooling channels in real time. Based on the structural arrangement of the air distribution mechanism, the cooling airflow can be directly injected into the extrusion surface between the driving roller and the driven roller, thereby avoiding insufficient cooling and providing a guarantee for the continuous tableting of the powder coating.

The oil return structure and equipment are used for oil return of a motor and / or a gearbox, the motor and the gearbox are each provided with a machine shell and a rotating shaft, an inner oil cavity is formed in each machine shell, each inner oil cavity is provided with a first oil liquid level face, and an oil seal body used for sealing an opening of each inner oil cavity is arranged on each rotating shaft. The oil return structure comprises a negative pressure section and an oil throwing section which are arranged on the rotating shaft, an oil throwing structure which is arranged on the machine shell and corresponds to the oil throwing section, and a negative pressure structure which is arranged on the machine shell and corresponds to the negative pressure section. The scheme can effectively solve the problems of insufficient cooling caused by oil seal abrasion and oil leakage of the oil-cooled motor and damage to an insulation system caused by oil entering the motor due to oil leakage when the motor is matched with a gearbox, and improves the service life and stability of the motor.

The invention discloses a combustion chamber regenerative cooling type turbofan engine system based on methanol fuel, relates to the technical field of aero-engines, and solves the problems that a traditional aero-engine is insufficient in cooling capacity and large in pollution. An air inlet channel, a fan, an air compressor system, a combustion chamber, a turbine system and an exhaust nozzle are sequentially communicated, and the outlet end of the exhaust nozzle is communicated with the atmosphere; the fan, the gas compressor system and the turbine system are connected through a shaft; a regeneration cooling channel is arranged in the combustion chamber, the methanol fuel tank is communicated with the regeneration cooling channel, methanol absorbs heat and evaporates in the regeneration cooling channel and is cracked to form mixed gas at the same time, and the mixed gas and air are combusted after being mixed. The regenerative cooling technology is applied to the turbofan engine, methanol serves as fuel and coolant, heat of a combustion chamber is absorbed to be evaporated and vaporized, meanwhile, the methanol is cracked to form mixed gas for combustion, dependence of a traditional engine on cooling air is reduced, the heat efficiency of the engine is improved, and meanwhile the combustion performance of methanol fuel is enhanced.

This invention discloses a prefabricated atmospheric pressure refrigeration system, relating to the field of refrigeration system technology. It includes: a power grid information interaction module, used to acquire real-time data on off-peak electricity hours, the maximum allowable load during those hours, and power grid load fluctuations; preprocessing the acquired data to obtain standardized power grid data; and a cooling demand prediction module, used to calculate the hourly cooling demand assessment value for the next day based on the system's historical hourly total cooling capacity data, real-time environmental parameters, and the operating plans of major terminal equipment, using a preset prediction model, and outputting the system's total cooling demand curve and peak cooling capacity. This invention, by calculating the next day's cooling demand assessment value and combining it with historical hourly cooling capacity, real-time temperature and humidity, and equipment operating plans, can accurately predict the cooling demand for each time period of the next day, ensuring that cooling capacity preparation matches the actual cooling scenario, avoiding insufficient cooling supply that could affect production or office cooling, and also avoiding excessive cooling capacity storage that could lead to energy waste.

A water block pressure regulation structure includes a top cover internally defining a water-out compartment, a pressure reduction chamber and a water-in compartment; a heat absorbing member; and a partitioning plate superposed on the heat absorbing member to define a heat exchange chamber between them, and including a buffer space communicable with the heat exchange chamber via first and second bores formed on the partitioning plate. The first and second bores are openable and closeable by first and second valves fitted therein, respectively. The water-in and water-out compartments communicate with the heat exchange chamber via first and second penetrating openings on the partitioning plate. When the heat exchange chamber internally has high pressure or insufficient cooling liquid, the first and second valves automatically open to communicate the buffer space with the heat exchange chamber, and accordingly regulate the pressure and cooling liquid in the heat exchange chamber.

The utility model relates to the technical field of rolling mill guides and guards, and discloses a rolling mill guide and guard assembly capable of achieving temperature-controllable cooling. The rolling mill guide and guard assembly with the controllable temperature cooling function comprises a guide and guard assembly, a filtering and cooling assembly is installed at the upper end of the guide and guard assembly, a collecting tank is installed at the upper end of the filtering and cooling assembly, a filtering net is installed in the collecting tank, a cooling box is installed at the lower end of the collecting tank, and a protection plate is installed in the cooling box. A circulating pipe is installed on the left side of the cooling box, a connecting pipe is installed at the upper end of the circulating pipe, a pressure stabilizing assembly is connected to the left side of the filtering and cooling assembly, a water outlet pipe is installed at the upper end of the pressure stabilizing assembly, and a pressure stabilizing pump is installed at the upper end of the water outlet pipe. Large-particle impurities contained in water or oxide scale falling off from the surface of a rolled piece may block an injection orifice, so that cooling is insufficient, and the service life of a guide and guard device is affected.

This ensures that insufficient cooling of the multiple storage containers located above the main storage unit is prevented. [Solution] The horizontal refrigerator 10R comprises a plurality of storage containers 80R provided above the storage body 11R so as to cover the top opening 11R2, a circulation fan 35 for circulating air in the storage chamber 13R, a cold air duct 40 provided in the storage body 11R between the storage chamber 13R and the top opening 11R2, defining a flow path 45 through which cold air blown out by the circulation fan 35 flows in and heads toward the plurality of storage containers 80R, and a plurality of auxiliary fans 60, each provided between the cold air duct 40 and the plurality of storage containers 80R, which change the direction of the airflow so that a portion of the cold air flowing into the cold air duct 40 heads toward the plurality of storage containers 80R, and the plurality of auxiliary fans 60 are provided at intervals along the extending direction of the flow path 45.

The utility model discloses a combined type cavity coupler, and specifically relates to the cavity coupler field, the combined type cavity coupler comprises an upper shell, a lower shell, a wiring terminal, a main guide rod and a coupling rod, the upper shell is movably connected with the lower shell, the internal space of the upper shell and the internal space of the lower shell are combined to form an inner cavity, the main guide rod and the coupling rod are located in the inner cavity, and the wiring terminal is connected with the coupling rod. The wiring ends are installed on the outer wall of the lower shell, the wiring ends are connected through the main guide rod and the coupling rod, a plurality of metal fins are installed at the bottom of the inner cavity, a metal pipeline penetrates through the metal fins, and the interior of the metal pipeline is hollow to form a first channel. Through the heat conduction design of the modularized shell, the metal fins, the metal pipeline and a plurality of channels and in combination with active air flow circulation of the cooling fan, the temperature of the inner cavity is remarkably reduced, signal attenuation or element damage caused by overheating is avoided, the heat dissipation system is efficiently compounded, the internal structure is stabilized, and the service life is prolonged. The problems that a traditional integrated coupler is difficult to maintain and insufficient in heat dissipation are solved.

The invention discloses a motor main shaft for a high-power motor, which comprises a hollow rotating shaft, a first fixed pipe, a second fixed pipe and a third fixed pipe, and the third fixed pipe is connected with a plurality of spray pipes. According to the motor spindle, heat of the rotating shaft is taken away through flowing of the cooling liquid, when heat dissipation is insufficient, atomized liquid can be sprayed out through the spray pipe and rapidly vaporized through airflow to take away heat, vaporization directly occurs near the rotating shaft, and therefore the cooling effect is better. According to the requirement for the heat dissipation effect, the position of the piston unit can be adjusted, so that the using number of the spray pipes is adjusted, and the evaporation cooling capacity is adjusted.

The utility model discloses a cooling tower for air separation equipment, and belongs to the field of cooling of air separation equipment. A cooling tower for an air separation plant comprises a shell, a gas conveying pipe is arranged at the top of the shell, a gas outlet pipe is arranged on one side of the shell, and a guide assembly is arranged on the inner side of the shell. By arranging the guide assembly, a first cooling layer and a second cooling layer, gas cooling duration control is effectively improved; the first temperature sensor is installed to monitor the gas outlet temperature in real time, and the control system is matched to adjust the rotating speed of the fan to enhance or weaken the gas flowability, so that the contact area and contact time of the gas and the heat exchanger are increased or shortened, the heat exchange efficiency is improved, and efficient cooling is achieved; the cooling process is monitored in real time and accurately controlled, the stability of the cooling effect is ensured, energy waste is avoided, meanwhile, it is ensured that gas is evenly distributed in the cooling tower, and the problem of local overheating or insufficient cooling is solved.

The utility model belongs to the technical field of feed granulating and cooling, particularly relates to a feed granulating and cooling device, and aims to solve the problems that the cooling effect becomes poor due to the fact that existing feed granules stay in a box for a short time and the feed granules are not screened during discharging. Through holes are formed in the top and the bottom of the feed cooling box and used for feeding and discharging, and an air inlet and an air outlet are formed in the two sides of the feed cooling box. According to the pellet feed cooling device, through the arrangement of the conveying assemblies which are arranged in a staggered mode, the time of pellet feed in the feed cooling box is prolonged, the time of cold air blowing is longer, and the cooling effect is improved; according to the feed cooling device, automatic discharging of cooled feed is achieved through the vibration assembly, meanwhile, fine and unqualified feed particles are screened, and through the air cooler and the cyclone dust removal device arranged at the air inlet and the air outlet of the feed cooling box, not only is the cooling effect improved, but also dust in blown hot air can be effectively reduced.

A safety protection system of a lifeboat diesel engine set comprises a signal alarm unit, a starting protection unit and an operation protection unit. When the diesel engine set is in a standby state or in a starting state, signals such as low water level, or / and low oil level, or / and high water temperature, or / and starting overtime and the like occur, the signal alarm unit gives an alarm, the starting protection unit disconnects a diesel engine starting circuit, and the diesel engine set cannot be started; when the diesel engine set is in standby and starting, oil pressure is low, and the diesel engine set can be normally started; when the diesel engine set runs, signals such as low water level, or / and low oil level, or / and high water temperature, or / and low oil pressure occur, the signal alarm unit gives an alarm, and the running protection unit stops the diesel engine in a delayed manner; therefore, the problem that the diesel engine and the gear box are overheated and fail due to insufficient cooling and lubricating protection of the diesel engine and no lubricating protection on the gear box is solved; false alarming is carried out before the diesel engine is standby and started successfully due to low oil pressure; and safe operation of the lifeboat diesel engine set is met.

The utility model discloses a filler arrangement structure capable of reducing airflow resistance in a cooling tower, which comprises a cooling tower, a filler cooling mechanism is arranged in the cooling tower, a water tank is arranged on one side of the cooling tower, a spray pump is arranged on the water tank, a water return mechanism is arranged at the bottom of the inner side of the cooling tower, and the water return mechanism is connected with the cooling tower. The filler cooling mechanism comprises an inner-area filler, an outer-area filler and a fixing frame, a height difference exists between the inner-area filler and the outer-area filler, and the inner-area filler and the outer-area filler are both S-wave fillers. According to the filler arrangement structure capable of reducing the airflow resistance in the inner area of the cooling tower, the airflow resistance can be reduced by reducing the height of the filler in the inner area, air distribution is homogenized, the heat dissipation capacity of the outer area can be improved by increasing the height of the filler in the outer area, and when heat dissipation is insufficient, the driving motor rotates the auxiliary fan out of the protective cover to conduct auxiliary heat dissipation on the filler; and air flow is promoted, and the heat dissipation effect is effectively improved.

The invention discloses a laser cutting mechanical arm capable of cooling, and belongs to the technical field of mechanical arms, the laser cutting mechanical arm comprises a mechanical arm body, a vibration detection unit, a control unit and a cooling liquid conveying unit; the vibration detection unit is arranged on the mechanical arm body and comprises a piezoelectric type electric control vibration sensor, and the piezoelectric type electric control vibration sensor is electrically connected with the control unit; and the control unit is used for receiving an output value of the vibration detection unit and regulating and controlling the amount of the cooling liquid output by the cooling liquid conveying unit, so that the amount of the cooling liquid required by the mechanical arm during laser cutting operation is dynamically regulated, dynamic self-adaptive regulation and control of the output amount of the cooling liquid are realized, and the cooling intensity is regulated in real time according to vibration changes in the cutting process. The problem that a traditional fixed cooling mode is not matched with the actual cooling requirement is effectively solved, and core components are prevented from being damaged due to overheating caused by insufficient cooling.

The invention relates to the technical field of underground engineering construction environment guarantee, and discloses a subway underground excavation station environment control system and method based on stratum cold energy utilization, and the system comprises a cold source acquisition and air supply system, an air exhaust and purification system, an auxiliary cooling system, an environment sensing system and an intelligent control system. The cold source acquisition and air supply system is used for acquiring low-temperature air from the penetrated interval tunnel and conveying the low-temperature air to a construction area of the subway underground excavation station; the exhaust and purification system is used for sucking air in a station construction area, purifying the air and then discharging the air; the auxiliary cooling system is used for conducting secondary cooling on low-temperature air when cold supply is insufficient. The environment sensing system is used for collecting environment data of a construction area and transmitting the environment data to the intelligent control system. The intelligent control system is connected with all the systems and generates a control instruction after receiving environment data so as to regulate and control the cold source to obtain the air supply amount of the air supply system, the exhaust air amount of the exhaust and purification system and start and stop of the auxiliary cooling system.

The invention discloses a variable frequency motor, which belongs to the technical field of motors, and comprises a casing and a rear casing, a stator is arranged in the casing, a temperature sensor is arranged on one side of the stator, an air cooling mechanism and a water cooling mechanism are arranged in the rear casing, and the air cooling mechanism comprises a fixing frame, a driving motor, a driving shaft and fan blades. A linkage mechanism and a transmission mechanism are arranged on the outer side of the driving shaft, and the water cooling mechanism comprises a cooling pipe and two compression boxes. The temperature of the stator is monitored in real time through the temperature sensor, and the controller intelligently adjusts the rotating speed of the driving motor to dynamically adjust the air cooling strength, so that the problem of overheating caused by insufficient heat dissipation under the low-speed and large-torque working condition is effectively solved; and meanwhile, an air cooling and water cooling synergistic heat dissipation mechanism is innovatively integrated, when the temperature or the rotating speed reaches a threshold value, a linkage mechanism is automatically coupled, and a transmission mechanism converts rotating motion into piston reciprocating motion to drive cooling liquid to circularly flow between a compression box and a cooling pipe penetrating through a stator to efficiently take away core heat.

The invention relates to the technical field of heat pump units, and discloses a circulating type steam heat pump unit and a control method thereof.The circulating type steam heat pump unit effectively solves the technical problem that a compressor of a traditional unit is insufficient in cooling by constructing a linkage structure of oil way circulation and water side heat exchange. Accurate cooling is directly carried out on the high-temperature operation working condition of the compressor, the damage risk caused by overheating of the compressor and accessories is greatly reduced, and the operation reliability of a unit is remarkably improved; meanwhile, heat generated in the oil way cooling process is efficiently recycled for steam water replenishing and preheating, heat waste caused by a traditional external cooling mode is avoided, the heating capacity and heating efficiency of the unit are improved, and overall energy consumption is reduced; the electric connection design of the control device and all the mechanisms lays a solid structure foundation for subsequent accurate regulation and control, it is guaranteed that parameters in all links of cooling, preheating and steam production are highly matched, it is guaranteed that all the mechanism units of the circulating steam heat pump unit operate cooperatively and orderly, and the stability of the unit during working is improved.

The invention discloses a power station cooling system utilizing surplus cooling capacity at night and an operation method of the power station cooling system. The power station cooling system comprises an original cooling device, a surface condenser, a layered reservoir, a condenser cooling loop and a night cold accumulation loop. The original cooling device is a cooling tower I comprising two sets of cooling assemblies, or is a direct air cooling and condensing system and a cooling tower II comprising a set of cooling assembly; cooling water on the upper layer of the layered reservoir is cooled by a set of cooling assembly through a night cold storage loop and then stored at the bottom of the layered reservoir, and environmental cold energy is stored by utilizing the surplus heat exchange capacity of a power plant at night; surface type condenser outlet cooling water is cooled by a cooling tower through a condenser cooling loop, is mixed with low-temperature cooling water stored at night, and is introduced into a surface type condenser inlet; or the water supply of the cooling tower to the surface type condenser is cut off, and the low-temperature cooling water stored at night is fully introduced into the surface type condenser, so that the insufficient cooling capacity in the peak period in the daytime is compensated, and the cross-period transfer of the cooling capacity is realized.

A water block pressure regulation structure includes a top cover internally defining a water-out compartment, a pressure reduction chamber and a water-in compartment; a heat absorbing member; and a partitioning plate superposed on the heat absorbing member to define a heat exchange chamber between them, and including a buffer space communicable with the heat exchange chamber via first and second bores formed on the partitioning plate. The first and second bores are openable and closeable by first and second valves fitted therein, respectively. The water-in and water-out compartments communicate with the heat exchange chamber via first and second penetrating openings on the partitioning plate. When the heat exchange chamber internally has high pressure or insufficient cooling liquid, the first and second valves automatically open to communicate the buffer space with the heat exchange chamber, and accordingly regulate the pressure and cooling liquid in the heat exchange chamber.

The invention provides a foam box injection molding device facilitating cooling treatment, and relates to the technical field of injection molding. An air dispersing part is arranged in the injection molding part; an air inlet part is arranged in the air dispersing part; a displacement part is arranged in the injection molding part; an inner cooling part is arranged on the displacement part; in the injection molding process, cold air is conveyed to the air passing groove through the air dispersing through holes of the air passing pipe, so that the cold air is uniformly dispersed around the fixing plate; during demolding, the butt joint inserting block sprays cold air to the surfaces of the foam box and the cooling module to achieve synchronous cooling of the inner layer and the outer layer of a product, meanwhile, the air passing pipe, the butt joint inserting block and other structures are matched to enable the cold air to evenly cover the surface of the foam box, local overcooling or insufficient cooling is avoided, and the problem that heat transfer can only be conducted from the outer layer to the inner layer of the product step by step, and cooling is not sufficient is solved. The problems that the temperature gradient and the heat conduction lag phenomenon exist in the product cooling process, the product cooling period is greatly prolonged, and the production efficiency of equipment is reduced are solved.

The invention discloses a control method for cooperative operation of a water chilling unit and a full variable frequency pump tower, and the method comprises the steps: collecting personnel trajectory data, extracting trajectory spatial-temporal characteristics, calculating the total spatial density, mapping the total spatial density value to a color space, thereby generating static thermodynamic diagrams, arranging the static thermodynamic diagrams according to a time sequence, and generating a spatial-temporal evolution thermodynamic diagram, splicing the space-time characteristics of the track into a characteristic vector, and outputting predicted load impact by the prediction model; collecting temperature data and equipment heat productivity, and calculating original refrigerating capacity; correcting the original refrigerating capacity according to the predicted impact curve to obtain a target refrigerating capacity; adjusting the rotating speed of a fan of the full-variable-frequency pump tower according to the target refrigerating capacity; the load impact is accurately predicted, the target refrigerating capacity is calculated, the operation parameters of the refrigerating system can be more accurately adjusted according to the personnel track and the equipment heating condition, excessive refrigeration or insufficient refrigeration is avoided, unnecessary energy consumption is reduced, and cooperative control over the rotating speed of the water chilling unit and the rotating speed of the full-variable-frequency pump tower fan is achieved.

The invention relates to the technical field of energy storage power supply cooling, and provides an energy storage power supply heat dissipation control method and system and an energy storage power supply. The energy storage power supply heat dissipation control method comprises the steps of determining real-time required power of a server based on a working mode of the server; based on the real-time required power, the heat production amount of the energy storage power supply is determined; based on the heat production amount of the energy storage power supply, working parameters of the cooling liquid conveying assembly are determined; and based on the working parameters of the cooling liquid conveying assembly, working of the cooling liquid conveying assembly is controlled. According to the heat dissipation control method for the energy storage power supply, efficient heat dissipation control over the energy storage power supply is achieved by intelligently adjusting the flowing speed and temperature of the cooling liquid, and the intelligent degree is improved. And the heat dissipation strategy is dynamically adjusted according to the load of the server, excessive cooling or insufficient heat dissipation is avoided, the operation intensity of the cooling liquid conveying assembly is reduced when the load is low, and unnecessary energy waste is reduced.

The utility model discloses a cooling device and a cooling trolley for a construction foundation. The cooling device comprises a carrier, a water storage tank, a water pump, a fixed seat, an upper water gun and a lower water gun; the water storage tank, the water pump, the fixed seat and the upper water gun are respectively mounted on the carrier; the upper water gun obliquely faces the front side or the rear side of the carrier, the upper water gun is connected to the water storage tank through an upper water conveying pipeline, and a water pump is arranged on the upper water conveying pipeline; the output end of the upper water gun is located on the top and located above the fixing base. The fixing seat is provided with a lower fixing groove, and the notch of the lower fixing groove faces the left side and the right side of the carrying frame respectively; the lower water gun is communicated with the water storage tank through a lower water conveying pipeline, and a water pump is arranged on the lower water conveying pipeline; the lower water gun is movably arranged in the lower fixing groove, and the output end of the lower water gun moves to stretch out of or be contained in the lower fixing groove. According to the scheme, the problem that the cooling degree is insufficient due to the fact that only water is sprayed to the surface of an existing construction foundation is solved.

To provide an air conditioner capable of suppressing insufficient cooling / heating and excessive cooling / heating in a precooling / preheating operation by performing the precooling / preheating operation for an appropriate operation time in consideration of a heat capacity of a structure of a living room.SOLUTION: The pre-cooling / pre-heating operation control means includes a target structural body temperature estimating means (S130) for estimating a target structural body temperature of a structural body constituting the room based on a room temperature of the room and a comfort indicator of the room, a required time estimating means (S150) for estimating a required operation time of the pre-cooling / pre-heating operation mode based on the target structural body temperature, and a pre-cooling / pre-heating operation executing means (S180 to S230) for executing the pre-cooling / pre-heating operation mode based on the required operation time. 200.SELECTED DRAWING: Figure 2

The invention relates to the technical field of motors, in particular to a water-cooled backpack frequency conversion integrated motor and a control method thereof.The water-cooled backpack frequency conversion integrated motor specifically comprises a motor body, the front surface of the motor body is fixedly connected with a frequency converter, and the left side of the upper surface of the motor body is fixedly connected with a high-voltage power transformation box; the upper surface of the motor main body is fixedly connected with a junction box on one side of the high-voltage power transformation box, and is provided with a cooling pipe; water cooling is adopted to dissipate heat of the motor main body and the frequency converter, intelligent control is performed on the frequency converter and the water pump, namely, the operation frequency of the motor is adjusted according to the load condition so as to reduce energy consumption and ensure stable operation of the motor, and the working conditions of the frequency converter and the water pump are analyzed in an information progressive mode. And judging whether the two can continuously, stably and synergistically cool or not, so as to realize effective temperature control with the lowest heat dissipation energy consumption, and avoid energy consumption waste or performance loss caused by excessive heat dissipation or insufficient heat dissipation.