249 results about "Excessive Cooling" patented technology

The invention discloses an ATS cooling system control method based on whole vehicle VCU control, and aims to achieve intelligent scheduling of a cooling system by optimizing cooperative control of an engine, a battery and a transmission so as to meet the requirements of modern vehicles on the aspects of high efficiency, high reliability and low energy consumption, and achieve intelligent scheduling of the cooling system according to the temperature control requirement difference of different parts. A multi-objective optimization scheduling strategy is provided, the flow of cooling liquid, the rotating speed of a fan and the pump speed can be adjusted in real time, and the working temperature of an engine, a battery and a transmission is accurately controlled. Through a self-adaptive control algorithm and a real-time feedback mechanism, the cooling system can be dynamically adjusted according to the real-time working condition of the vehicle and the environment change, the response speed of the system is increased, the energy consumption is reduced, and overcooling is avoided. And a fault early warning and predictive maintenance method is adopted, so that the reliability and the safety of the system are effectively improved. By optimizing cooperative work of the cooling system, the energy efficiency of the vehicle can be improved, the service life of parts is prolonged, and energy loss is reduced.

The invention discloses a dynamic load adaptive charging pile liquid cooling control method, relates to the technical field of thermal management, and solves the problems of temperature prediction deviation, local hot spot leak detection and protective supercooling caused by a simplified thermal model based on fixed parameters and key temperature points under rapid load fluctuation. Parameterization time-varying heat supply network parallel multi-rate observation is constructed, a heat exchange coefficient and node heat capacity are identified and calibrated through recursion with physical constraints, transmission time delay is merged into an extended state in an explicit mode, short-window high-frequency sampling and local temperature field reconstruction are triggered based on residual errors, and the time-varying heat supply network parallel multi-rate observation is achieved. A control sequence is issued in parallel by adopting hierarchical rolling type control with a second-order moment uncertainty constraint; based on the scheme, the short-term temperature field prediction precision and the local hot spot identification capability are improved, and the cooling resource directional utilization efficiency and the charging system operation continuity are remarkably improved.

The invention discloses a server heat dissipation control method and device, computer equipment and a storage medium, and relates to the technical field of server heat dissipation, and the method comprises the steps: predicting first load prediction information and prediction thermal power based on the working state information of a server; and determining configuration parameters of the heat dissipation assembly according to the predicted thermal power and the working state information. And the cooling medium entering the server in the heat dissipation assembly is adjusted according to the configuration parameters, so that the actual load change of the server is accurately matched, and the server is prevented from being excessively cooled or insufficiently cooled. The problem that the performance of the server is affected due to over-cooling or insufficient cooling caused by the fact that cooling regulation and control are difficult to accurately match actual load changes is solved. According to the method, the load and the thermal power of the server can be predicted, the future heat dissipation requirement of the server is determined according to the predicted thermal power and the working state information of the server, the heat dissipation assembly is adjusted in time, and the situation that the heat dissipation requirement of the server is suddenly changed, so that the server is excessively cooled or insufficiently cooled is avoided.

The invention relates to the technical field of pump valve production equipment, in particular to a pump valve casting rapid cooling device which comprises an inner barrel with supporting legs and a liquid discharging pipe at the bottom, a water barrel internally provided with a cavity is connected to the outer portion of the inner barrel, a lifting frame is arranged in the inner barrel in a sliding mode, and a driving piece I used for driving the lifting frame to ascend and descend is installed on the inner wall of the inner barrel. A lower die is installed on the top of the lifting frame, a lifting mechanism is arranged on the top of the lifting frame, an upper die is installed on the lifting mechanism, a driving mechanism is arranged outside the inner cylinder, two cylinder covers capable of being opened and closed are arranged on the driving mechanism, and a cooling mechanism is arranged on the inner cylinder. When the temperature of the lower die and the upper die is too high, external air can be supplied to carry out air cooling on the lower die and the upper die in advance, and after the temperature of the lower die and the upper die is reduced to a certain level, cooling water is supplied to carry out water cooling on the lower die and the upper die, so that the cooling safety and efficiency can be guaranteed, and the production efficiency is improved. And the risk of casting cracking or deformation caused by too high cooling speed can be reduced.

The invention discloses a conveying device for extruder material cooling and a working method thereof, and relates to the field of thermoplastic pipeline processing.The conveying device comprises a water collecting tank, a first-stage cooling tank and a second-stage cooling tank are arranged in the water collecting tank, a spiral air duct pipe is arranged in the water collecting tank, and a plurality of spray cooling assemblies are arranged in the spiral air duct pipe; multiple sets of small exhaust fans are arranged at the position, located at one end of the spiral air duct pipe, of the top of the water collecting tank, a distance adjusting mechanism is arranged at the bottom of the water collecting tank, a fixing mechanism is rotationally connected to the top of the distance adjusting mechanism and connected with a driving assembly, and a bearing mechanism is movably installed in the driving assembly; a water absorption assembly is arranged outside the bearing mechanism. The first-stage cooling tank and the second-stage cooling tank are arranged for primarily cooling extruded materials, deformation caused by too fast cooling of the extruded materials is avoided, the spiral air duct pipe and the spray cooling assembly are arranged for further cooling the extruded materials, and waste of water resources can be reduced while efficient cooling of the extruded materials can be guaranteed.

The invention discloses a street lamp die casting and an intelligent die casting production method thereof, and relates to the technical field of street lamp production, the street lamp die casting comprises a lamp shell main body, the lamp shell main body is of a structure with a closed top surface and an open bottom end, and the lamp shell main body is internally provided with a first mounting cavity for mounting a lamp and a second mounting cavity for mounting an electric appliance element; a mounting portion used for being connected with a lamp pole is arranged on the side wall of the lamp shell body, a plurality of radiating fins protruding outwards are arranged on the top face of the lamp shell body, and the lamp shell body, the first mounting cavity, the second mounting cavity, the mounting portion and the radiating fins are integrally formed in a die-casting mode. In order to solve the problem that the heat dissipation fins are prone to being overcooled, the special cooling channel and the sliding plug control structure are designed, the temperature sensing adjusting assembly is combined, the cooling strategy can be flexibly adjusted according to the actual cooling requirements of heat dissipation fin areas in different die casting stages, the overcooling problem caused by overall cooling of the heat dissipation fins is effectively solved, and the service life of the heat dissipation fins is prolonged. The casting quality is obviously improved.

The invention belongs to the technical field of battery energy storage devices, and particularly relates to a battery energy storage device with circular flow heat dissipation, which comprises a bottom plate, the upper end of the bottom plate is fixedly connected with a placement table through a first support rod, and the upper end of the placement table is fixedly connected with a circular flow channel and an annular flow channel; a plurality of linear runners which are distributed in a circumferential array manner are fixedly communicated between the circular runner and the annular runner; the circular flow channel, the linear flow channel and the annular flow channel jointly form a cooling channel, the cooling channel is filled with cooling liquid, and the position, located above the cooling channel, of the containing table is fixedly connected with a containing frame. By arranging the placing frames corresponding to the cooling channels, a differentiated conduction path of'central concentrated heat absorption-peripheral distributed heat dissipation 'is formed, the problems of insufficient central heat dissipation and energy waste of peripheral over-cooling caused by a traditional uniform flow channel are effectively solved, and differentiated precise heat dissipation of modules at the center and the peripheral side of the battery pack is realized.

The invention discloses an automobile gearbox shell casting device, and relates to the technical field of automobile shell casting, the automobile gearbox shell casting device comprises a door-shaped support, the inner wall of the door-shaped support is fixedly provided with a lower mold through a plurality of connecting rods, the bottom surface of the lower mold is provided with a bottom plate, an upper mold is arranged above the lower mold, and the upper mold is fixedly connected with the door-shaped support. An air cylinder is fixedly installed on the top face of the door-shaped support, and the output end of the air cylinder is connected with the top face of the upper die. The cooling adjusting assembly is arranged in the lower mold, the cooling adjusting assembly comprises a main cooling pipe, the distance between the cooling pipe and the casting shell can be dynamically adjusted by arranging the cooling adjusting assembly, and the casting quality of the gearbox shell is remarkably optimized by combining real-time temperature and thickness detection; and aiming at the problem of local overheating or supercooling caused by wall thickness difference, the device can adaptively adjust the cooling intensity, so that a thick-wall area is quickly cooled, and a thin-wall area is prevented from being supercooled.

The invention discloses a transformer oil tank, and relates to the technical field of power transformers, the transformer oil tank comprises an oil tank body and a plurality of groups of fin mechanisms, and each group of fin mechanism comprises radiating fins with cavities formed inside. The cooling fins with the cavities are arranged on the outer side of the oil tank body, the slidable adjusting plate and the driving assembly are matched, the effective oil storage volume of the cooling fins can be flexibly adjusted according to the environment temperature, the maximum cooling area is guaranteed in the non-low-temperature environment so that efficient cooling can be achieved, the cooling contact area is reduced in the low-temperature environment, and the service life of the oil tank is prolonged. Wax precipitation and viscosity increase caused by excessive cooling of the cooling oil are avoided, so that the insulating property and the circulating fluidity of the cooling oil are maintained, the circulating stirring mechanism can promote efficient circulation of the cooling oil between the oil tank and the fins under driving of the driving mechanism, and the heat dissipation efficiency is further improved; the problems of heat dissipation and insulation performance of the oil-immersed transformer in a low-temperature environment are effectively solved, and the operation reliability and environmental adaptability of equipment are improved.

The invention discloses a self-adaptive control method and system for lift and heat dissipating capacity, and relates to the technical field of thermal management, the current height difference between a power head and a water pump is determined, and then the target lift of the water pump is determined in combination with local resistance and on-way resistance of cooling liquid in a whole cooling loop; the rotating speed of the water pump is dynamically adjusted according to the target lift, so that the actual lift of the water pump is matched with the target lift, it can be ensured that cooling liquid can circulate with sufficient pressure and flow under different working conditions, and the conditions of insufficient circulation of the cooling liquid and too high energy consumption are effectively avoided. By monitoring the current environment temperature and the load current of the power head, the target heat dissipating capacity can be dynamically determined according to the environment temperature and the load current; and the rotating speed of the fan in the radiator is dynamically regulated and controlled according to the target heat dissipating capacity, so that it can be ensured that the radiator can dissipate heat with appropriate air volume under different working conditions, and the situation that a motor is overheated or overcooled is effectively avoided.

The invention discloses an industrial mainboard computer heat dissipation optimization method based on AI regulation and control, and particularly relates to the technical field of industrial mainboard heat dissipation regulation and control. A multi-source sensor is used for synchronously collecting temperature, performance load, cooling feedback and environment data, a dynamic heat map is generated based on mainboard physical layout, a hot spot area is identified and predicted, and the heat dissipation optimization of an industrial mainboard computer is realized. Global temperature monitoring is realized, and local overheating is effectively prevented; the load and temperature of a future time window are predicted through a hybrid prediction model, the fan rotating speed is adjusted in advance in combination with feedforward control, and delayed response is avoided; a multi-objective optimization model is constructed, an optimal fan rotating speed sequence is solved under constraint conditions of temperature upper limit and power consumption limit, feedback compensation and feedforward control are combined, cooling requirements are accurately distributed, excessive cooling is effectively avoided, energy consumption is reduced, and meanwhile the heat dissipation effect is guaranteed. Reactive type control based on the threshold value is converted into predictive type control based on the AI, and the response speed and accuracy are remarkably improved.

The invention relates to the technical field of mooncake processing, and discloses a mooncake stuffing conveying device and method.The mooncake stuffing conveying device comprises a bottom table and a rotating disc, a rotating control mechanism is connected to the rotating disc in a penetrating mode, the rotating control mechanism is arranged below the bottom table, and four heat preservation pads are arranged on the rotating disc. By the adoption of the storage hopper, the push plate, the slitting plate, the baffle, the discharging hole, the extrusion block and the moving rod, the taste and appearance of mooncakes are improved, intermittent rotation of the connecting gear is controlled through the driving wheel set, intermittent smoothness of discharging and rotary conveying of raw materials in the storage hopper is achieved, uniform conveying of stuffing is guaranteed through the design, and the production efficiency is improved. The problems of uneven temperature and too fast surface cooling caused by continuous conveying are solved, the whole device is compact in structure and easy and convenient to operate, efficient and stable mooncake stuffing conveying can be achieved, waste and the defective rate in the mooncake making process are greatly reduced through accurate control and dense stuffing design, and the production efficiency is improved.

The utility model provides an injection mold capable of rapidly cooling, which relates to the technical field of injection mold cooling systems, and comprises a first cooling waterway constructed on an upper mold core or a lower mold core and two first connecting waterways vertically constructed on the upper mold core or the lower mold core, the first connecting waterways are communicated with the first cooling waterway, and the second connecting waterways are communicated with the second cooling waterway. According to the mold, through the pipe joint, the first water pipe and the first water nozzle, the purposes that in the prior art, a mold is punched in a mold plate, and a sealing ring is arranged to be connected with the first connecting water path are achieved, and the problem that the sealing ring leaks water due to the high temperature and the too large cooling water pressure is solved; the effect of high-sealing connection is achieved, and the effect brings the advantage that the flowing speed of cooling liquid can be increased for the mold, and the purpose of achieving rapid cooling of the mold is achieved.

The invention relates to the technical field of metal processing equipment, in particular to a metal processing U-drill bit and equipment thereof.The metal processing U-drill bit comprises a U-drill bit body, a pair of chip grooves are formed in the periphery of the U-drill bit body, and blade mounting grooves communicating with the chip grooves are symmetrically formed in the top end of the U-drill bit body; the metal machining equipment comprises a base, the top of the base is fixedly connected with a machining table, the top of the machining table is symmetrically and fixedly connected with jacking sliding rails, and the tops of the two jacking sliding rails are slidably connected with a feeding clamp. Through cooperation of the adjusting sliding block and the adjusting screw rod, when a high-hardness workpiece is machined, even if the rotating speed is reduced to avoid tool overload, the supply amount of cooling liquid can still be supplemented by increasing the stroke of the T-shaped piston rod; when a low-hardness workpiece is machined, the output of the cooling liquid is controlled by reducing the stroke of the T-shaped piston rod, so that the cooling requirement of low cutting heat is met, and chip splashing and resource waste caused by excessive cooling liquid are avoided.

The utility model relates to the technical field of mixing reaction kettles, in particular to an efficient cooling, stirring and mixing reaction kettle which comprises a stirring mechanism, a cooling mechanism, a moving mechanism and an operation barrel, through the design that the inner bottom end of the stirring barrel is inclined to a discharging port, discharging of processed materials is facilitated, and waste caused by material residues is avoided. The use convenience and the economic benefit of the reaction kettle are improved. The water inlet is connected with an external water source and a water pump, so that cold water enters the spiral cold water pipe, and as the spiral cold water pipe is arranged around the outer wall of the stirring barrel, heat generated in the stirring barrel can be rapidly taken away in the cold water circulation process in cooperation with the stirring effect of the stirring mechanism, and rapid cooling of materials is achieved; therefore, the use safety and the operation efficiency of the reaction kettle are improved. Through the arrangement of the temperature sensor, the temperature change in the stirring barrel can be observed in real time, so that the operation duration of the cooling mechanism is adjusted, the influence on the material reaction effect due to excessive cooling is avoided, and the practical effect of the reaction kettle is improved.

The utility model provides a wafer bearing device and thin film deposition equipment, and relates to the technical field of chemical vapor deposition equipment. The wafer bearing device comprises a wafer bearing body and a cooling structure, the wafer bearing body is provided with a wafer placing area, and the wafer placing area is used for placing a to-be-deposited wafer; the cooling structure is connected with the wafer bearing body, the cooling structure and the wafer to be deposited are located on the two opposite sides of the wafer bearing body respectively, and the orthographic projection of the cooling structure on the wafer bearing body is arranged on the periphery of the wafer containing area in a surrounding mode. The wafer bearing device can improve the problem of supercooling of the film, thereby reducing the risk of cracking of the film.

The utility model provides an oil cooling motor oil guide structure, a motor and a vehicle, and relates to the technical field of vehicle parts, the oil cooling motor oil guide structure comprises an oil guide ring, the oil guide ring is used for being arranged at the axial end part of a stator iron core, the oil guide ring is used for forming an oil cavity with a motor shell, a section of arc-shaped wall body of the oil guide ring is provided with a plurality of oil spraying holes, and the oil spraying holes are communicated with the oil cavity. The multiple oil spraying holes are formed in the circumferential direction of the oil guide ring at intervals and communicate with the oil cavity. When the axis of the motor is horizontally arranged, namely the axis of the stator core is horizontally arranged, the section of arc-shaped wall body, provided with the oil spraying holes, of the oil guide ring can be located above the arc-shaped wall body not provided with the oil spraying holes, cooling oil sprayed out of the upper oil spraying holes flows to the lower winding under the action of gravity after cooling the upper winding, and therefore the cooling effect of the motor is improved. Therefore, the cooling of the lower winding is realized, excessive cooling oil can be effectively prevented from gathering at the lower part of the stator winding, the upper part and the lower part of the stator winding can be uniformly cooled, and the performance of the motor is better ensured.

The invention relates to the technical field of battery protection plates, in particular to an energy storage battery protection plate of an integrated radiator, which comprises a circuit board and a radiator arranged at the top of the circuit board, the radiator comprises a bottom plate, a liquid cooling pipe, a pumping box and a cold water box; the liquid cooling pipe, the pumping box and the cold water box are arranged on the bottom plate; a sliding base is slidably arranged on the machine base in the length direction. The sliding seat is provided with a driving frame; a limiting groove is formed in the side wall of the machine base. The driving frame is movably arranged in the limiting groove; the limiting groove comprises a plurality of first deformation grooves and second deformation grooves which are alternately connected; the machine base is provided with a driving piece used for driving the sliding base to slide. The first deformation groove and the second deformation groove can deform according to the temperature of the circuit board, so that the wave crest position and the wave trough position of the limiting groove are changed, the lifting amount of the driving frame and the pressing rod is changed, the cold water pumping amount and speed of the pumping box can be changed, and finally cooling can be conducted according to the temperature of the circuit board; and unnecessary energy consumption and supercooling are avoided.

The boiler pipeline welding device for building construction comprises a bottom plate, a fixing assembly is arranged at the top of the bottom plate, a welding mechanical arm is fixedly installed at the top of the bottom plate, a gas injection assembly is arranged at the top of the welding mechanical arm, and a cleaning assembly is arranged on the outer side of the gas injection assembly. The gas injection assembly comprises a top block. The invention relates to the technical field of boiler pipeline welding. According to the boiler pipeline welding device for building construction, plasma and molten pools in different ranges generated during welding can be automatically matched according to different thicknesses of boiler pipelines, for thick pipelines, the length of a gas nozzle is increased, the range of blown gas is wider, and a large-area welding area can be effectively covered; for a thin pipeline, the length of the air tap is shortened, the situation that the thin pipeline is overcooled or impacted due to the fact that the gas flow is too large is avoided, and the universality and the welding effect of the welding device on pipelines of different specifications are improved through the self-adaptive adjusting function.

The invention discloses a cooling device of an electric welding machine and a using method of the cooling device, relates to the field of welding, and solves the problems that when an existing cooling device of the electric welding machine is used, the position of a nozzle is difficult to switch for use, and the service life of a welding gun is difficult to prolong. The welding gun is fixedly connected with a water cooling pipe and a water return pipe, the switching mechanism comprises a rotating disc, nozzles and a conveying part, and the cooling mechanism comprises a spiral pipe and a connecting pipe. When the temperature of one group of nozzles is continuously higher than a set value, the rotating disc is driven to rotate, the positions of the nozzles are switched, and the two groups of nozzles are alternately used; and meanwhile, in the switching process, switching of the position of the welding wire and switching conveying of protective gas can be guaranteed, cooling water in the water cooling pipe is conveyed into the spiral pipe in the running nozzle for water cooling, output water circulates into the other set of spiral pipe through the connecting pipe to conduct heat preservation on the nozzle, and too fast cooling is avoided.

A steel pipe quenching device for a crane boom relates to the technical field of quenching devices and comprises a base, a U-shaped support and a U-shaped seat are fixedly arranged at the top of the base, a lifting plate and a supporting plate are vertically arranged on the inner wall of the U-shaped support in a sliding mode, the supporting plate is fixedly arranged on the inner wall of the U-shaped support, and a plurality of supporting rods are fixedly arranged on the top of the supporting plate and the bottom of the lifting plate in the circumferential direction. A sliding plate is vertically arranged in the U-shaped seat in a sliding mode, an induction coil and a cooling ring which are fixedly arranged are vertically arranged at the end of the sliding plate, the induction coil is electrically connected with an external power source, a cooling column which moves synchronously with the cooling ring is arranged in the cooling ring, and an outer water passing groove and an inner water passing groove are correspondingly formed in the inner wall of the cooling ring and the outer wall of the cooling column. A plurality of annular labyrinth grooves are formed in the positions, located on the upper and lower sides of the outer water through groove, of the inner wall of the cooling ring and the positions, located on the upper and lower sides of the inner water through groove, of the outer wall of the cooling column. The steel pipe quenching device solves the problem that an existing steel pipe quenching device overcools a steel pipe when quenching the steel pipe; and cooling of the steel pipe is not uniform.

The application discloses a liquid-cooled super-charging charging pile, which comprises a cooling pipeline arranged in a cable, wherein the cooling pipeline comprises an exchange pipeline and a circulating pipeline, and the exchange pipeline is spirally arranged at a main heating position in the cable. The application can switch the internal and external circulation paths of the cooling liquid in the cooling pipeline through a switching end, and the cooling liquid can circulate in the exchange pipeline and the circulating pipeline during the internal circulation, and continuously exchanges heat with the cable. When the temperature of the cooling liquid reaches a set value, the switching end is switched again, the cooling pipeline and the cooling liquid in the heat dissipation component are interacted, the cooling liquid at low temperature enters the cooling pipeline, and the cooling liquid at high temperature enters the heat dissipation component to be circulated and radiated, so that the problems that the traditional liquid-cooled super-charging charging pile directly starts the maximum cooling capacity and the maximum circulation speed during operation, and the excessive cooling capacity increases the power consumption of the liquid-cooled super-charging charging pile are solved.

The invention relates to a wind power generation equipment unit cooling system which is used for cooling a hub and comprises an equipment temperature monitoring unit, a hub internal temperature monitoring unit, a temperature analysis unit, a liquid cooling control unit, liquid cooling equipment, an air cooling control unit and a heat conduction pipe. The temperature analysis unit analyzes and judges the received temperature data in real time, and when the equipment temperature or the environment temperature in the hub exceeds a set threshold value, a corresponding cooling control strategy is started. If the temperature of the equipment is too high, the liquid cooling control unit is started preferentially, and the working state of the liquid cooling equipment is adjusted; and if the overall temperature in the hub rises fast, rapid cooling cannot be achieved only through heat dissipation of the rotating side wall of the hub, at the moment, the air cooling control unit is started at the same time, opening and closing of the heat conduction pipe are controlled, and heat dissipation is conducted. The invention further relates to a wind power generation equipment unit cooling method. By means of the method and system, the equipment temperature and the environment temperature can be accurately mastered, the temperature analysis unit makes accurate judgment according to real-time data, accurate control over the cooling system is achieved, and excessive cooling or insufficient cooling is avoided.

The utility model provides a baking and aroma improving device for peanut oil squeezing, the baking and aroma improving device comprises a baking shell and a heating box arranged in the baking shell, the top wall of the heating box is provided with a feed inlet, and the heating box is of a double-layer structure and comprises a first box body and a second box body wrapping the first box body; a first rotating part is connected between the inner side wall of the second box body and the outer side wall of the first box body, and a second rotating part is connected between the outer bottom wall of the second box body and the inner bottom wall of the baking shell, so that the first box body rotates around a shaft based on the horizontal first rotating part; the second box body rotates around the shaft based on a vertical second rotating part; the heat preservation effect can be improved, heating is more uniform, the situation that fragrance is difficult to produce due to too fast cooling is reduced, heating and baking are more uniform, and the oil yield and fragrance emission are further improved.

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.

The utility model relates to the technical field of air conditioning equipment, in particular to a water pan and air conditioning equipment comprising the water pan, and aims to solve the problem that an existing water pan is poor in heat preservation performance. Therefore, the water pan comprises the water receiving layer and the heat preservation layer, the water receiving layer and the heat preservation layer are integrally arranged or fixedly connected, the sealing cavity is formed between the water receiving layer and the heat preservation layer, the sealing cavity is arranged between the water receiving layer and the heat preservation layer, and the water receiving layer and the heat preservation layer can be separated through the sealing cavity. According to the air conditioning equipment, the sealing cavity and the heat preservation layer can prevent cold transfer to the maximum extent, the heat preservation capacity of the water pan is improved, condensate water generated by the outer wall of the water pan due to supercooling can be prevented, and then the condensate water can be prevented from dropping into the air conditioning equipment to damage electronic elements in the air conditioning equipment.

The invention relates to the field of sound box heat dissipation, and particularly discloses an active heat dissipation sound box with an adjustable sound production angle, which comprises a base, a water storage assembly is movably arranged on the base, a sound box body is arranged on the water storage assembly, a sound production assembly is arranged on the sound box body, and a heat conduction insulation assembly is arranged in the sound box body. A power amplifier circuit board connected with the heat conduction and insulation assembly is arranged in the sound box body, and a primary heat dissipation assembly is arranged on the heat conduction and insulation assembly. According to the invention, the multi-stage heat dissipation effect of the sound box body can be realized, the device is adaptively adjusted according to the heat dissipation temperature, the quick response switching effect of multiple modes is realized, and the dynamic adjustment effect based on the temperature gradient is realized, so that the phenomena of excessive cooling and insufficient cooling are avoided, the control and adjustment capability of the system is improved, and the energy waste is avoided. The heat dissipation efficiency and the heat dissipation effect of the system are improved, the heat dissipation system is protected, and the service life of the heat dissipation system is prolonged.

The invention relates to the technical field of semiconductor aging tests, in particular to a semiconductor aging test box and a test method thereof.The semiconductor aging test box is used for applying a simulation working environment to a to-be-tested device and conducting electrical parameter monitoring, the semiconductor aging test box comprises a box body, a partition plate, a cold box and a distribution plate, and the cold box is opposite to the to-be-tested device installed on the partition plate; the distribution plate divides the inner cavity of the cold box into a high-pressure layer and a refrigerating layer, the high-pressure layer is far away from the partition plate relative to the refrigerating layer, the high-pressure layer is communicated with refrigerating fluid, and the refrigerating fluid is injected into the refrigerating layer at high pressure through the hollowed-out distribution plate. The heating power of the corresponding area of the to-be-tested device is adapted by adjusting the number and the size of the local holes of the distribution plate. According to the invention, the distribution plate and the column plate are customized, and the nozzles and the columns with different densities are configured in corresponding areas according to the heating power of the device, so that the purpose of on-demand heat dissipation of non-uniform heat on the semiconductor is achieved, local overheating is avoided, and ultra-amplitude cooling of a low-heating area is avoided at the same time.

The invention discloses a multi-medium heat exchanger for a new energy automobile and a control method of the multi-medium heat exchanger, and relates to the technical field of heat exchangers. A pair of edge sealing plates are fixedly installed between the two ends of a pair of collecting pipes respectively to form a frame-shaped structure serving as a rack; the heat dissipation flow channel is fixedly installed in the frame-shaped structure, and a heat dissipation inner cavity in the heat dissipation flow channel is divided into a plurality of branch flow channels through a plurality of partition plates arranged in parallel. An adjusting bin and an adjusting mechanism are further arranged, an adjusting inner cavity in the adjusting bin is divided into two adjusting cavities through an adjusting block driven by the adjusting mechanism, and the opening degree of each adjusting cavity is adjusted by changing the number of the communicated sub-runners. The flow of the heat dissipation flow channel can be distributed to different media through the adjusting mechanism and the adjusting block according to actual needs, so that the medium channel has adjustability, the heat exchange capacity of the heat dissipation flow channel is fully utilized, the problem of excessive cooling or insufficient heat supply existing in a fixed flow channel in the prior art is solved, and the service life of the heat dissipation flow channel is prolonged. The overall heat exchange efficiency of the heat exchanger is effectively improved.

A reliable aerosol fire extinguishing device and a fire extinguishing method. The device comprises an upper cover, a lower cover and a cylinder, wherein an aerosol fire extinguishing generating agent is provided on the lower cover, and the aerosol fire extinguishing generating agent is in contact with an actuating mechanism, characterized in that a cooling cartridge is provided in the cylinder and contains a coolant; the bottom of the cooling cartridge is connected to the inner wall of the cylinder by means of a spacer mesh; a piston ring is sleeved on the cooling cartridge, and the piston ring is located between the cooling cartridge and the cylinder; and several through holes are provided in the outer wall of the cooling cartridge. The piston ring can prevent the outer wall of the cooling cartridge from being extensively blocked by a molten coolant; by means of the piston ring continuously moving upwards, the release stability of the aerosol fire extinguishing agent can be ensured, and the probability of the aerosol fire extinguishing agent being excessively cooled can also be reduced.