15results about How to "Realize self-cooling" patented technology

The utility model relates to the technical field of oil-immersed power transformers, in particular to a self-cooling oil-immersed power transformer which comprises a power transformer body, cooling fins are fixedly connected to the periphery of the power transformer body, a top seat is connected to the upper end face of the power transformer body in an array mode, and a protection frame is connected to the upper end face of the top seat in a clamped mode. According to the oil-immersed power transformer, the heat dissipation fan can play a role in auxiliary heat dissipation so as to accelerate air flow and enable heat to be dissipated quickly, and then the atomization spray head can cool the cooling fins, so that the heat dissipation effect of the oil-immersed power transformer is improved, and the service life of the oil-immersed power transformer is prolonged. According to the oil-immersed power transformer, two connecting rotating plates are rotationally adjusted through relative movement of two threaded plates, so that two movable blocks at two fixing frames can slowly rotate downwards to drive universal wheels to be attached to the ground, then the universal wheels can be used for moving the whole oil-immersed power transformer, and the using flexibility of the oil-immersed power transformer is improved.

The invention relates to the technical field of photovoltaic base stations, and discloses a self-cooling type photovoltaic base station and a machine room, the self-cooling type photovoltaic base station comprises stand columns, the top ends of the stand columns are provided with transmitting and receiving antennas, the number of the stand columns is two, at least one crosspiece is installed between the two stand columns, and the crosspiece is provided with a machine cabinet. One side of the cabinet is provided with a battery panel which is distributed in an inclined mode, the battery panel is connected with the stand column through a mounting base, the top end of the cabinet is provided with an exhaust channel, and air flowing upwards along the battery panel enters an air inlet of the exhaust channel. According to the invention, blown air enters the exhaust channel arranged at the top end of the cabinet along the inclined cell panel, so that hot air gathered at the top end is taken away, and self-heat dissipation is realized.

The utility model discloses a kind of rock fly-spraying prevention devices special for cannon nose, including connecting cylinder, the flange plate is installed in the connecting cylinder bottom end, the flange plate bottom end is connected with arc cover by mounting plate, the connecting cylinder, the flange plate and the mounting plate top middle part are all set with through slot, the connecting cylinder top end is located in the through slot one week and is equipped with wear-resistant rubber strip, the connecting cylinder is located in the through slot one week and is equipped with baffle, baffle is fixed with ventilation plate between. Advantage lies in: the utility model is designed through ventilation plate and ventilation slot, can effectively guarantee the airflow channel of cannon nose one week, external cold air can be in full contact with cannon nose, cooperate the design of honeycomb heat sink and through-hole, can realize the export of cannon nose around heat, realized the self-heat dissipation of device when cannon nose works, can effectively avoid the problem of excessive speed of hydraulic oil oxidation, guarantee the service life of cannon nose.

The utility model provides a high-temperature motor self-cooling axial flow fan which comprises a fan body, a motor and a first air duct, the fan body is coaxially arranged below the motor, the first air duct is vertically through and coaxially arranged on the outer sides of the fan body and the motor, the high-temperature motor self-cooling axial flow fan further comprises a second air duct and a third air duct, the second air duct is vertically through, and the third air duct is coaxially arranged on the outer side of the fan body and the outer side of the motor. The first air duct is coaxially arranged above the motor, the diameter of the first air duct is smaller than that of the first air duct, and the top end of the first air duct is higher than that of the first air duct; the third air duct is coaxially arranged on the outer side of the motor and located above the fan body, the upper end of the third air duct is open, the lower end of the third air duct is a duct bottom provided with a through hole, and the duct diameter of the third air duct is smaller than that of the first air duct and larger than that of the second air duct. And a motor shaft of the motor is fixedly connected with the fan body through the through hole. According to the axial flow fan, high-temperature gas exhausted by the axial flow fan and low-temperature gas sucked by the motor can be effectively isolated, spontaneous cooling of the motor is achieved, and the working stability of equipment in the high-temperature environment is effectively improved.

The invention discloses a self-cooling type subcritical carbon dioxide refrigeration system which comprises an absorption refrigeration subsystem and a carbon dioxide mechanical compression refrigeration subsystem, and the absorption refrigeration subsystem comprises a heat absorption concentration unit and a dilution refrigeration unit. Compression heat of the carbon dioxide mechanical compression refrigeration subsystem is used for driving operation of the heat absorption concentration unit, a cold source generated by the dilution refrigeration unit is used for condensing a high-pressure refrigerant in the compression refrigeration subsystem into a liquid phase in a subcritical pressure state, and subcritical carbon dioxide refrigeration is achieved. High-temperature sensible heat of the carbon dioxide mechanical compression refrigeration subsystem serves as generation heat of the absorption refrigeration subsystem to concentrate a dilute solution, and then a cold source generated by the absorption refrigeration subsystem condenses a high-pressure refrigerant at an outlet of a compressor at a low temperature under subcritical pressure. The condensation temperature of the carbon dioxide mechanical compression refrigeration subsystem and the outlet pressure of a compressor are reduced, self-cooling of the carbon dioxide refrigeration system is achieved, and meanwhile efficient operation of the carbon dioxide mechanical refrigeration subsystem under the subcritical condition is achieved.

The utility model relates to photovoltaic technology field, concretely relates to a self heat dissipation photovoltaic module. Include: first encapsulation cover board, second encapsulation cover board, cell piece layer and heat conduction structure, it is vacuum space between first encapsulation cover board and second encapsulation cover board, and cell piece layer and heat conduction structure set up in vacuum space, heat conduction structure includes a plurality of heat conduction pipes, a plurality of heat conduction pipes interval setting between cell piece layer and first encapsulation cover board, and / or a plurality of heat conduction pipes interval setting between cell piece layer and second encapsulation cover board, and heat conduction pipe has the heat conduction cavity with external environment intercommunication, and the heat conduction cavity is suitable for heat conduction gas and external cold air circulation. Heat conduction pipe can take away the heat in vacuum space, prolongs the life of photovoltaic module, improves the luminous power of photovoltaic module.

The utility model relates to wind driven generator main gear box technical field, and disclose a kind of wind driven generator main gear box with self-heat dissipation structure, including shell, the surface of shell is provided with heat dissipation component, the left side of shell is provided with centrifugal lubricating component, the centrifugal lubricating component includes connecting disc, plug-in sealing element, sealing plate body and centrifugal oil throwing ring, the connecting disc is fixedly connected in the left side of shell, the left side of shell is slidably connected with inner shaft rod, the centrifugal oil throwing ring is fixedly connected to the surface of inner shaft rod. This wind driven generator main gear box with self-heat dissipation structure is provided with centrifugal lubricating component, can be turned over sealing plate body to oil outlet box direction when using, until magnetic attraction strip is pressed in the top of magnet piece, can be guided, ensure that oil is immersed on the surface of outer gear, also can be splashed to the bearing on right side to the right, play the purpose of lubrication, not prone to jamming after long time use to affect normal use.

The utility model relates to a vacuum pump cooling technical field, concretely is a kind of dry screw vacuum pump circulating cooling device, including frame body, dry screw vacuum pump is installed on the frame body, dry screw vacuum pump is connected heat exchanger by circulating water inlet pipe, and heat exchanger is connected on dry screw vacuum pump by circulating water outlet pipe;The heat exchanger is connected condenser by second medium pipe, and the condenser is connected refrigerant compressor by first medium pipe, and the refrigerant compressor is connected heat exchanger by third medium pipe;The condenser is connected with refrigerant tank.The utility model provides a kind of dry screw vacuum pump circulating cooling device, with two independent closed circulation, can be maintained free;Each structure is relatively compact and is modular design, effectively utilizes space;Realize dry screw vacuum pump self-cooling, can be used in most harsh scenes without cooling water etc.

The invention discloses a display panel and a display device. The display panel comprises a first substrate; the temperature control assembly is arranged on one side of the first substrate and comprises a first electrode which comprises a first sub-electrode and a second sub-electrode which are arranged at an interval and are insulated; the first semiconductor block and the second semiconductor block are arranged on the same side of the first electrode, the first semiconductor block is electrically connected with the first sub-electrode, and the second semiconductor block is electrically connected with the second sub-electrode; a second electrode electrically connecting the first semiconductor block and the second semiconductor block; wherein the first semiconductor block and the second semiconductor block are bipolar semiconductor blocks, and after voltage is applied to the first sub-electrode and the second sub-electrode, the polarity of the end, connected with the second electrode, of the first semiconductor block and the polarity of the end, connected with the second electrode, of the second semiconductor block are different. The temperature control assembly is arranged in the display panel, so that self heat dissipation of the display panel can be realized.

The high-energy-density hydraulic energy accumulator integrated with the heat dissipation function comprises a cylinder body and a piston installed in the cylinder body in a sliding fit mode, and the piston divides an inner cavity of the cylinder body into an oil cavity and an air cavity; the spiral transmission shaft is coaxially arranged with the piston, penetrates through the piston and the cylinder body, is in spiral transmission fit connection with the piston, is in sealed connection with the piston, is in rolling fit connection with the cylinder body, and is in sealed connection with the cylinder body; an oil path channel and a gas path channel which are respectively communicated with the oil cavity and the gas cavity are arranged in the spiral transmission shaft; the air channel end of the spiral transmission shaft is in transmission connection with the heat dissipation mechanism. Self heat dissipation without additional energy driving can be achieved, high energy density can be achieved on the premise that the size is small, and the self-heat-dissipation hydraulic cylinder is particularly suitable for application scenes of mobile hydraulic equipment with limited installation space.

The application discloses a self-cooling pneumatic high-speed spindle applied to a lining glue spraying robot of an aero-engine and a mounting method, which comprises a spindle mounting seat, a rotating spindle, a turbine, a turbine limiting ring, a first bearing, a second bearing, a bearing sleeve, a bearing end cover, an air passage upper plate, an air passage lower plate and a cover plate. The spindle mounting seat is used for fixing the rotating spindle; the turbine is fixed on the rotating spindle and is limited and fixed through the turbine limiting ring connected with the spindle; the first bearing, the bearing sleeve and the second bearing are installed on the rotating spindle; and the lower air passage plate and the upper air passage plate are fixed between the gland and the spindle mounting seat. The high-speed gas drives the turbine to rotate the rotating spindle, performs high-speed rotation and atomization and spraying coating operation on high-viscosity glue liquid, adjusts the gas speed to realize control on the atomization degree of the glue, and meets the requirements of different spraying conditions; and the air spindle is provided with a heat dissipation air passage inside, heat generated by bearing friction is taken away through air flow, and self-cooling of the air spindle is realized.

The invention relates to a self-cooling wafer polishing method. The self-cooling wafer polishing method comprises the following steps: providing a wafer, wherein the Mohs hardness of the wafer is 8-10; fixing the wafer on a polishing pad by using a polishing head, wherein the polishing pad is made of a thermoplastic material; a polishing solution is guided into the side, making contact with the wafer, of the polishing pad through a polishing solution pipeline; the polishing solution does not contain grinding particles; and the polishing disc and the polishing head are rotated, and the wafer is subjected to the polishing process. According to the self-cooling wafer polishing method, self-cooling can be achieved in the polishing process, it is guaranteed that the temperature of the polishing pad is within a low range, the service life of the polishing pad can be effectively prolonged, the problems that a polishing head back film loses efficacy, and the polishing pad is degummed are solved, the wafer scratching risk is reduced, and the wafer polishing quality is improved.

The utility model provides a power head of a monocrystalline silicon grinding all-in-one machine, and belongs to the technical field of monocrystalline silicon processing equipment. Comprising a shell, a power mechanism and a piezoelectric adjusting assembly. The power mechanism is arranged in the shell and comprises a stator assembly and a rotor assembly, the stator assembly is arranged on the outer side of the rotor assembly in a sleeving mode, and the stator assembly can drive the rotor assembly to rotate; the piezoelectric adjusting assembly is arranged between the rotor assembly and the shell and used for eliminating vibration of the rotor assembly. The technical problem that in the prior art, the stability of the power head of the single crystal silicon grinding all-in-one machine is poor is solved, and the technical effects that the stability of the power head of the single crystal silicon grinding all-in-one machine is improved, and the quality of a single crystal silicon finished product is guaranteed are achieved.

The invention relates to a high-temperature fuel gas active cooling device for a high-altitude simulation test of an attitude control engine, and mainly solves the technical problem that an existing cooling device is poor in cooling effect. The cooling device comprises a shell and a plurality of cooling units arranged in the shell. The shell is of a cylindrical structure, the multiple cooling units are arranged side by side in the axial direction of the shell, and each cooling unit comprises a fixing ring and multiple spraying pipes evenly distributed in the circumferential direction of the fixing ring; the spraying pipe is of a hollow structure with one end open and the other end closed, the open end of the spraying pipe is fixed to the shell and extends out of the shell, and the closed end of the spraying pipe is fixed to the fixing ring in the radial direction and extends into the fixing ring. The spraying pipes in every two adjacent cooling units are sequentially arranged in a staggered mode in the radial direction. A plurality of first spraying holes are formed in the side wall of each spraying pipe, and the first spraying holes in all the spraying pipes in each cooling unit face the same direction; and the first spraying holes in the first cooling unit close to the combustion chamber face the combustion chamber.

The utility model relates to the technical field of polishing wheels, and discloses a polishing wheel for a fused zirconia corundum pothook brick, which comprises a mounting rack, a mounting sleeve is rotatably connected to the inside of the rear side of the mounting rack, a polishing wheel body is fixedly connected to the front side of the outside of the mounting sleeve, and a temperature sensor is fixedly connected to the left side of the inside of the mounting rack. A control panel is fixedly connected to the right side of the exterior of the mounting frame, a cooling assembly is arranged on the upper portion of the mounting frame, a grinding mechanism is arranged on the outer side of the grinding wheel body and comprises grinding protruding blocks and a lubricant coating, and the grinding protruding blocks are evenly and fixedly connected to the outer side of the grinding wheel body. Lubricant coatings are arranged on the outer sides of the polishing protruding blocks. According to the polishing wheel for the fused zirconia corundum pothook brick, through cooperation of the temperature sensor, the water storage tank, the water outlet pipe, the control valve and other structures, the polishing wheel for the fused zirconia corundum pothook brick can be self-cooled in the polishing process, and the polishing wheel is prevented from being damaged due to overheating.