25results about How to "Reduce air temperature" patented technology

The explosion-proof cooling device for the underground coal mine comprises a frame, an air-cooled condenser, a compressor unit, a shell-and-tube evaporator and a base are installed in the frame, and a programmable control box is installed at the left end of the frame; the air-cooled condenser is used for heat dissipation and cooling of coolant compressed gas; the compressor unit is used for compressing a gas refrigerant and comprises an oil separator, a double-screw compressor, a first motor, a double-loop reversible vacuum electromagnetic starter, a liquid storage tank, a first drying filter and a second drying filter; the shell-and-tube evaporator is used for heat exchange between high-temperature nitrogen and a low-temperature refrigerant. According to the cooling device, a refrigerant used when the cooling device works can be recycled, the investment of resources and cost of the part is reduced, the refrigeration cost is saved, nitrogen in the device can rapidly and continuously release low-temperature nitrogen, the air temperature in a large range of a mining area is efficiently achieved, air is inerted, the oxidation spontaneous combustion rate of coal is reduced, and gas explosion is restrained; the mining area safety is improved.

The invention discloses an axial disc type permanent magnet motor phase change cooling method and structure. According to the cooling method, the rotation kinetic energy of the rotating shaft in the axial disc type permanent magnet motor is utilized, air flow is generated when the rotating shaft rotates, the air flow is introduced into the rotating shaft and cooled in the rotating shaft through the phase change material, and then the low-temperature air flow enters the air gap between the stator and the rotor, flows through the surface of the stator and the surface of the rotor along the air gap and then returns to the back face of the rotor to be discharged. According to the cooling structure, exhaust holes are formed in a shell of the axial disc type permanent magnet motor, an airflow channel is formed in the rotating shaft, the end, in the rotating shaft, of the airflow channel is communicated with the interior of the rotor, and phase-change materials are arranged in the airflow channel. On the basis of the internal structure of the motor, the temperature of air entering the motor is reduced through the characteristics of the phase change material, the cooling efficiency is improved, and the production cost and the maintenance cost are reduced.

The invention relates to the technical field of fan cabins, and provides a wind driven generator cabin structure capable of preventing wind sand invasion, which comprises a cabin cover, a bottom cabin is arranged below the cabin cover, the bottom cabin is provided with a ventilation pipe communicated with the cabin cover, and a filtering assembly is arranged in the ventilation pipe; the filtering assembly comprises a net-shaped filtering belt, a first belt wheel and a second belt wheel, the net-shaped filtering belt is connected with the first belt wheel and the second belt wheel in a winding mode, and the net-shaped filtering belt is matched with the inner diameter of the ventilation pipe for shielding; the wind-driven impeller is arranged outside the ventilation pipe and coaxially connected with the first belt wheel, and the wind-driven impeller rotates to drive the first belt wheel and the net-shaped filter belt to rotate circularly; the ventilating pipe is externally connected with a sand discharging pipe with a downward pipe opening, and the pipe opening of the sand discharging pipe is close to the lower end of the net-shaped filtering belt. Self-cleaning of the filter screen can be achieved, normal ventilation and filtering effects are guaranteed, and the phenomenon of filtering blockage is avoided.

The utility model provides an air filter air inlet device which comprises an air filter box arranged in a machine box, an air filter air outlet is formed in the air filter box, an outer air inlet is formed in the side wall of the machine box, an air filter channel is formed in the air filter box, the air filter air outlet is connected with an air inlet of an air compressor through an air inlet pipe, and an inner air inlet is formed in the air filter box. The inner air inlet is communicated with the interior of the machine box and the air filtering channel, sliding grooves are formed in the two sides of the inner air inlet, a cover plate is arranged in the sliding grooves in a sliding mode, a driving mechanism is arranged on the air filtering box and drives the cover plate to move in the sliding grooves so as to control the position, covering the inner air inlet, of the cover plate, and a temperature sensor is arranged in the air filtering channel. The air temperature in the air filtering channel is detected in real time through the temperature sensor and is fed back to the main machine, the driving mechanism is controlled to work, then the cover plate is controlled to move along the sliding groove, the opening and closing degree of the inner air inlet is adjusted, and then the amount of hot air flowing into the air filtering channel in the machine box is controlled. Therefore, the temperature of air in the air filter channel is controlled.

The present application relates to a highly efficient heat dissipation control cabinet, and relates to the field of control cabinets, which includes a cabinet body, a working chamber is arranged in the cabinet body, a first rack is arranged in the working chamber, a slide rail is arranged on the first rack, a first slider is slidably arranged in the slide rail, a first slide groove is arranged on the inner wall of the working chamber, and a second slider is slidably arranged in the first slide groove; a heat dissipation component is arranged between the first slider and the second slider, and the heat dissipation component includes a cooling cylinder; a liquid storage chamber for placing coolant is arranged in the cooling cylinder, and two heat exchange chambers are also arranged in the cooling cylinder, and the ends of the heat exchange chambers away from each other are each provided with a first heat exchange hole; two heat exchange boxes are arranged on the first rack, dry ice is placed in the heat exchange boxes, and the sides of the two heat exchange boxes close to the slide rail are each provided with a second heat exchange hole, and a heat exchange pipe is fixedly inserted in the second heat exchange hole, and the end of the heat exchange pipe away from the heat exchange box can be slid and inserted in the first heat exchange hole in a horizontal direction. The present application has the effect of improving the low heat dissipation efficiency of the control cabinet.

The utility model belongs to the technical field of air conditioners, and particularly discloses an air conditioner outdoor unit which comprises an air conditioner shell and a spraying system. The air conditioner shell is provided with an air inlet, an air outlet and an air inlet grid. The air inlet grid is arranged at the air inlet; the spraying system comprises an in-machine spraying main pipe, an out-machine spraying main pipe, a plurality of spraying branch pipes and a plurality of nozzles; the built-in spray main pipe is located on the inner side of the air conditioner shell, the spray branch pipes are arranged on the air inlet grid, the nozzles are arranged on the spray branch pipes, and the built-out spray main pipe is communicated with the spray branch pipes through the built-in spray main pipe. The spray nozzles on the spray branch pipes spray water mist to the air inlet of the air conditioner outdoor unit, so that the air temperature at the air inlet of the air conditioner outdoor unit is reduced, the heat dissipation environment of the air conditioner outdoor unit is improved, and the air conditioning effect is guaranteed; the spraying branch pipes serve as a part of the protective grid, extra space on the outer side of the shell does not need to be occupied, a spraying pipeline support does not need to be additionally built, the construction work amount is reduced, and installation of a spraying system on site is facilitated.

The invention provides an air conditioner, a control method and device of the air conditioner and a readable storage medium. The air conditioner comprises an air conditioner body, the air conditioner body comprises a first air inlet channel, a first air outlet channel and a heat exchanger, and air is blown out from the first air outlet channel after entering the heat exchanger through the first air inlet channel for heat exchange; the heat recovery unit is arranged on the air conditioner body, the heat recovery unit comprises a first air duct and a second air duct which are adjacently arranged and separated from each other, the first air inlet channel communicates with the outside through the first air duct, and the first air outlet channel communicates with the outside through the second air duct. The problem solved by the invention is that the comfort of user experience in a dehumidification mode cannot be improved by the technical scheme in the related technology.

The invention relates to a semiconductor vehicle-mounted cold and warm box with an efficient heat exchange structure. The semiconductor cooling and heating box solves the technical problems that an existing semiconductor cooling and heating box in a single direct cooling or air cooling heat exchange mode cannot achieve rapid heating and cooling of loads in the box and the like. Comprising a cold-warm box inner shell with a containing cavity, the lower end of the cold-warm box inner shell is sealed through a cold-end heat preservation layer, a circulation cavity is formed in the lower end of the cold-warm box inner shell, the circulation cavity is communicated with the containing cavity through an air cooling circulation structure, cold-end fins are arranged at the lower end of the cold-warm box inner shell, and the upper ends of the cold-end fins are provided with containing faces. The lower ends of the cold-end fins are connected with the thermoelectric refrigeration assembly through the cold conduction block. The direct cooling and air cooling combined heat exchanger has the advantages that a direct cooling and air cooling combined heat exchange mode is adopted during working, meanwhile, the contact area of a load and a direct cooling area is increased, the heat exchange capacity of the load can be further improved through an air cooling circulation structure, and the load placed in the heat exchanger can be heated and cooled more quickly.

The utility model discloses a back plate assembly and display equipment, the back plate assembly comprises a back plate body, a rear shell, a computer module and a heat dissipation device, the rear shell comprises a bottom plate and a side plate which are connected, the side plate is connected with the back plate body, the side plate is matched with the bottom plate and the back plate body to define a mounting cavity, and the side plate is provided with an air outlet communicated with the mounting cavity; the computer module is accommodated in the mounting cavity; the heat dissipation device is provided with an air duct, an air suction port and an air exhaust port, the air suction port and the air exhaust port are communicated with the air duct, the heat dissipation device is connected with the backboard body, the air suction port is opposite to and communicated with the air outlet, and the heat dissipation device is used for driving airflow exhausted from the heat dissipation device to flow into the air duct through the air outlet and the air suction port in sequence and to be exhausted from the air exhaust port. According to the technical scheme, the heat dissipation efficiency of the computer module can be improved, so that the temperature of the computer module is reduced, and normal operation of the computer module is guaranteed.

The utility model discloses a low-lying ponding-proof box-type substation, which belongs to the technical field of electrical equipment and comprises a ventilation base. The box body is fixedly connected to the upper surface of the ventilation base and is used for mounting and placing electrical equipment; the heat exchange base is fixedly connected with the lower surface of the ventilation base and used for absorbing heat of airflow in the ventilation base. The air guide assembly is fixed to the upper surface of the ventilation base in a penetrating mode and used for guiding external air to flow. The utility model provides a box-type substation solution with a fire structure and high heat dissipation efficiency. Firstly, external accumulated water is effectively prevented from entering due to the design of the closed box body; the ventilation base created by the air guide assembly sucks air from the air inlet by utilizing a negative pressure environment, and the air and hot air in the box body form rising airflow, so that cold air is replaced from bottom to top. When the external temperature is high, cool underground water is pumped out through the water pumping pipe and pumped to the heat exchange base through the pump body to reduce the air temperature, and the heat dissipation effect is optimized.

The invention discloses a combined cycle unit all-working-condition operation system based on electric energy storage driving and a method thereof. The system comprises a gas turbine, a compressor, a waste heat boiler, a gas turbine and an electrochemical energy storage electric module, wherein the compressor and the electrochemical energy storage electric module provide electric power for the compressor; on one hand, off-peak electricity is stored through a battery, an electric drive heat pump is driven during peak operation, inlet air of a gas turbine is heated or cooled according to the actual operation working condition of the combined cycle unit, and the purposes of improving the operation efficiency of the combined cycle unit and strengthening the peak capacity of the unit are achieved. And secondly, when the gas turbine runs in winter, high-temperature condensed water of the back-pressure steam turbine is utilized in a gradient manner, low-grade waste heat circulation is established, and the running efficiency of the unit under partial load is improved. The operation efficiency, stability and flexibility of the combined cycle unit are improved, and especially under the condition that new energy output and load fluctuation are large, optimized operation of the unit is achieved through assistance of the electric energy storage system.

The utility model discloses a meteorological monitoring device, which belongs to the field of meteorological monitoring and comprises a support cylinder and a meteorological monitoring mechanism mounted on the support cylinder through a support. Two wire grooves are formed in the support, through holes corresponding to the wire grooves are formed in the supporting cylinder, a wire arranging opening corresponding to a wire inlet of the collector box body is formed in the side, away from the collector box body, of the supporting cylinder, and a wire separating assembly used for separating wires is arranged in the wire arranging opening; the branching assembly comprises a second wire arrangement plate fixed in the wire arrangement opening, a plurality of branching grooves are formed in the end, away from the wire arrangement opening, of the second wire arrangement plate, the two sides of a port of each branching groove are fixedly connected with clamping plates, and one end of each clamping plate is fixedly connected with a wire plate. By utilizing the toughness of the clamping plate and the lead plate, the lead can be conveniently installed, and the lead can be ensured to be positioned in the branching groove; the adjacent wires can be conveniently separated through the wire separating assembly, the wires can be conveniently overhauled and replaced, and meanwhile the phenomenon that the wires are wound is avoided.

The present invention discloses a sample cooling device for room temperature fatigue test, which belongs to the technical field of material mechanical property test. The cooling device includes three parts: an air compressor, a support component and a cooling ring; the air compressor is used to provide cooling source compressed air, which is transported to the cooling ring through the support component, and then sprayed onto the surface of the fatigue sample through the exhaust port opened on the cooling ring, thereby achieving cooling of the sample to be tested. The device can effectively use compressed air to evenly cool the sample to be tested, and will not affect the organizational properties of the material during the test, thereby greatly increasing the test frequency, thereby accelerating the test cycle and reducing the test cost.

The utility model discloses an axial flow fan, which comprises a barrel body, the motor is arranged in the cylinder body; the output end of the motor is connected with the fan blades; a net cover is detachably connected to the end face of the barrel, fixing arms are distributed on the net cover in the circumferential direction, connecting holes are formed in the fixing arms and comprise guide holes and arc-shaped limiting holes, the guide holes are communicated with the arc-shaped limiting holes, a limiting pin is arranged on the end face of the barrel and comprises a limiting part and a blocking part, and the blocking part is arranged on the limiting part. The section diameter of the blocking part is larger than that of the limiting part, the guide hole corresponds to the blocking part, and the arc-shaped limiting hole corresponds to the limiting part. The net cover is novel in structure, easy to disassemble and assemble, labor-saving, convenient and high in practicability.

This utility model provides an air-cooled temperature-regulating dehumidifier, relating to the field of air conditioning technology. The air-cooled temperature-regulating dehumidifier includes a compressor, an outdoor condenser, an expansion valve, an evaporator, a condensate pan, and a sprayer. The compressor, outdoor condenser, expansion valve, and evaporator are connected sequentially end-to-end, and the evaporator, condensate pan, and sprayer are connected sequentially. The condensate pan collects condensate produced by the evaporator, and the sprayer sprays the condensate onto the outdoor condenser. This air-cooled temperature-regulating dehumidifier can reduce the air temperature passing through the outdoor condenser, thereby lowering the condensation temperature, improving cooling efficiency, and saving energy.

A wind turbine cooling system and a wind power equipment, the wind turbine cooling system is used for cooling the wind turbine accommodated in a shell, the blade of the wind turbine is arranged outside the shell and at the front end position of the shell; comprising: air inlet, the air inlet is arranged at the bottom position of the shell, at least one air inlet is arranged close to the front end position of the shell; first air outlet, the first air outlet is arranged at the top position of the shell and / or the rear end of the shell; fan, the fan is arranged on the first air outlet, drives the air in the shell to be discharged through the first air outlet. By the above, by arranging the air inlet and the first air outlet on the shell, the cold air from the outside can enter the shell through the air inlet, and is discharged through the first air outlet after heat exchange with the wind turbine. Therefore, the air temperature in the shell can be reduced, and the heat dissipation efficiency of the wind turbine is improved.

The invention relates to the technical field of servo motors, in particular to a direct-drive servo motor which comprises a motor shell, a rotor is rotationally arranged in the motor shell, a stator is arranged on the inner wall of the motor shell around the rotor, a noise reduction shell covers the outer side of the motor shell, and a sound insulation interlayer is arranged in the noise reduction shell. A cooling shell is arranged between the noise reduction shell and the motor shell, a cooling cavity is formed in the cooling shell, a cooling water tank is installed at the rear end of the motor shell, a water pump is arranged in the cooling water tank, the water outlet end of the water pump is communicated with the cooling cavity, and the water inlet end of the cooling water tank is communicated with the cooling cavity. And a cooling mechanism for cooling the cooling water tank is mounted on the surface of the cooling water tank. The problem that in the prior art, a sound insulation material is simply used for wrapping a servo motor to improve the noise reduction effect, and consequently the heat dissipation performance is reduced is solved.

The utility model discloses a liquid chromatograph with high -efficient heat dissipation function, including liquid chromatograph, the both sides of liquid chromatograph are equipped with exhaust heat dissipation hole, the back of liquid chromatograph is fixedly installed and admits the heat dissipation structure, the heat dissipation structure includes cooling box, heat dissipation fan, exhaust port, drying structure, first rectangle frame, filter screen and cooling structure, cooling structure installs in the inside of cooling box, cooling structure includes liquid inlet valve, liquid outlet valve, coil pipe and fin, heat dissipation fan installs cooling box one end outer surface, the exhaust port is equipped with cooling box one side outer surface away from heat dissipation fan one end, drying structure is fixed in the exhaust port, the utility model discloses a liquid chromatograph with high -efficient heat dissipation function, through setting admits the heat dissipation structure, it is convenient to utilize liquid cooling mode to cool air, then utilizes the air of cooling down to the inside of liquid chromatograph and carries out heat dissipation, improves the efficiency of cooling down.

The utility model discloses a commercial floor type air cooler which comprises an outer shell, an air inlet, an air outlet, a fan, an air inlet, an air outlet, an air inlet and an air outlet. Supporting legs are symmetrically distributed on the shell; an air partition plate is arranged in the outer shell and divides the inner space of the outer shell into an evaporation cavity and an air inducing cavity, an evaporation coil is arranged in the evaporation cavity, liquid refrigerant is contained in the evaporation coil, one end of the evaporation coil is communicated with the air inlet, the other end of the evaporation coil is communicated with the air inducing cavity, and the air inducing cavity is communicated with the air outlet. The floor type refrigerator is novel in structure, adopts a floor type structure, can be mounted by being attached to the wall of a refrigerator plate, is convenient to mount, and does not occupy too much effective space of the refrigerator.

This application relates to a multi-stage indirect cooling water-saving system utilizing dry air energy recovery, comprising a combined dry and wet cooling tower and an energy recovery device. The combined dry and wet cooling tower includes a dry cooler and an evaporative cooling device, the evaporative cooling device including a water collection tray. The energy recovery device includes an air-cooled area and an air inlet area. The air-cooled area is equipped with an air-to-water heat exchanger, which is connected to the circulating water inlet pipe and the air-cooled outlet main pipe. The air inlet area has a first air inlet and is equipped with a pre-cooling circulating cooling device, the storage tank of which is connected to the water collection tray. The circulating water to be cooled after heat exchange with the dry cooler and the energy recovery device is introduced into the inlet of the evaporative cooling device, and the circulating water to be cooled after heat exchange with the evaporative cooling device is led out through the circulating water outlet pipe. This application can slow down the increase of water concentration ratio, thereby reducing the frequency of blowdown and water replenishment, ultimately achieving the goal of reducing circulating water consumption.

The invention relates to a wet film humidifying system additionally arranged at an air inlet of a precise air conditioner condenser. The wet film humidifying system comprises a condenser body, a wet film humidifier for cooling the condenser body, a water spraying system for providing cooling water for the wet film humidifier and a water tank for collecting wet film spraying water. A wet film humidifier is installed at the rear end of the condenser body, a high-water-absorption wet film is vertically laid in the wet film humidifier, and a water distributor is installed on the top of the wet film humidifier and used for evenly distributing water flow. Water permeates downwards along the wet film under the action of gravity, and water is absorbed by the wet film to form a uniform water film. The heat exchange effect of the air conditioner condenser can be improved, the influence of the heat island effect on the condenser is avoided, the frequency of high-pressure protection warning of the compressor is reduced, and the maintenance and repair cost of the air conditioner is reduced.

The utility model provides a negative-pressure heat dissipation structure of a working vehicle. The negative-pressure heat dissipation structure comprises an engine; the cooling fan is arranged at the front end of the engine, and the cooling fan comprises a wind scooper; the transmission case is arranged at the rear end of the engine, the transmission case is provided with an air inlet pipe and an air outlet pipe, the air outlet pipe is communicated with the transmission case and the wind scooper, and the air inlet pipe extends from the transmission case and is communicated with the outside of the transmission case; the clutch assembly comprises a clutch shell and a first pressing disc, a dust discharging opening is formed in the radial outer end of the clutch shell, and a blade part protruding in the axial direction is arranged on the end face of the first pressing disc. Ventilation and heat dissipation of the clutch are effectively improved, the temperature of air in the clutch cavity is reduced, dust in the clutch cavity is discharged in time, the contact quality of a friction plate and a pressure plate is improved, and the service life of the clutch is prolonged.

The invention discloses a kitchen appliance and a control method and related device thereof, and relates to the technical field of kitchen equipment. The kitchen appliance comprises a range hood module, a refrigeration module, a fresh air module, a control module and a machine body, the machine body comprises a first cavity, a second cavity and a third cavity; an evaporator of the refrigeration module is arranged in the first cavity, and a condenser and a compressor are arranged in the second cavity; a mixed air supply outlet is formed in the machine body, the machine body is pivoted with an air guide structure at the mixed air supply outlet, and the control module is configured to control starting and stopping of the refrigeration module according to the outdoor temperature and the indoor temperature of a kitchen area where the kitchen electric appliance is located; and the operation mode of the fresh air module, the operation mode of the air guide structure and the operation mode of the refrigeration module in the open state are correspondingly controlled. The kitchen appliance control method and the related device adopt the kitchen appliance. The invention provides a kitchen appliance, a control method thereof and a related device, and aims to solve the problems of fresh air, high temperature and oil smoke in a kitchen in the cooking process at present.

This invention relates to the field of 2G / 3G / 4G / 5G base station air conditioning technology, and more particularly to a single-cabinet intelligent air conditioner for base stations. The single-cabinet intelligent air conditioner includes a refrigerant subsystem, ventilation components, electrical control components, and a metal cabinet. In the refrigerant subsystem, the exhaust port of the electric compressor is connected to the inlet end of the compressor exhaust pipe. The outlet end of the compressor exhaust pipe is connected to the inlet end of the condenser assembly. The outlet end of the condenser assembly is connected to the inlet end of the evaporation pipe. The outlet end of the evaporation pipe is connected to the inlet end of the expansion valve. The outlet end of the expansion valve is connected to the inlet end of the evaporator core. The outlet end of the evaporator core is connected to the inlet end of the compressor suction pipe. This invention, by setting up a refrigerant subsystem, ventilation components, electrical control components, and a metal cabinet, achieves the function of cooling or ventilating the base station cabinet, thereby reducing the air temperature inside the base station cabinet, cooling the hot air inside the base station cabinet, and ensuring that the communication or other electrical components inside the base station cabinet are at a suitable operating temperature.

A refrigerant subsystem comprises an electric compressor and a condenser assembly, an exhaust port of the electric compressor is connected with the inlet end of an exhaust pipe of the compressor, the outlet end of the exhaust pipe of the compressor is connected with the inlet end of the condenser assembly, and the outlet end of the condenser assembly is connected with the inlet end of a cold steam pipeline. The outlet end of the cold steam pipeline is connected with the inlet end of the expansion valve, the outlet end of the expansion valve is connected with the inlet end of the evaporator core body, the outlet end of the evaporator core body is connected with the inlet end of the air suction pipe of the compressor, and the outlet end of the air suction pipe of the compressor is connected with an air suction port of the electric compressor, so that a refrigerant subsystem circulation loop is formed; the controller is electrically connected with the electric compressor, the condensate fan, the air blower, the liquid crystal display screen and all the sensors. According to the utility model, the refrigeration or dehumidification function in the energy storage battery cabin can be realized, so that the battery or other electric appliance components in the energy storage battery cabin are in a proper environment working temperature.