102results about How to "Precise cooling" patented technology

The invention discloses a heat pump unit suitable for a granary, and belongs to the field of condensers. A heat pump unit suitable for a granary comprises a main body. An evaporator, a condenser and a compressor are arranged in the main body; a heat dissipation shell is arranged at the upper part of the main body; the plurality of condensers are arranged in the heat dissipation shell; a maintenance mechanism is arranged on one side of each condenser; the maintenance mechanism comprises a spraying pipe and two brush bodies; spraying holes facing the condenser are evenly formed in the side wall of the spraying pipe in the axial direction. A plurality of sealing sleeves are rotationally connected into the spraying pipe in a sealing manner; one sealing sleeve is opposite to one spraying hole; the side wall of the sealing sleeve is provided with a water through hole which can be communicated with the spraying hole; and bristles on the brush body are matched with water sprayed out of the spraying holes, so that the brush body moves on the spraying pipe, the surface of the condenser is deeply cleaned through the bristles and the water, and dust on the surface of the condenser is removed.

The invention discloses a novel three-dimensional packaging structure based on a flexible substrate and a chip heat dissipation method, particularly relates to the technical field of micro three-dimensional integrated circuit packaging structures, and solves the problems that in the prior art, a chip packaging structure is low in integration level and poor in heat dissipation performance, and the manufacturing process of a silicon through hole technology in advanced packaging is complex; in the prior art, a silicon chip needs to be drilled and filled with a conductive material, so that the production cost is increased, the drilling and filling process has extremely high requirements on precision and control, and secondly, signal interference is caused, and a series of signal distortion and crosstalk problems can be caused in the field of high-frequency signals due to the fact that a TSV is vertical; according to the technical scheme, a rigid-flexible combined packaging structure, a rigid metal stable three-dimensional packaging structure and a flexible substrate are adopted, and expensive technologies such as through silicon vias are not used; according to the three-dimensional packaging structure, essence of the rigid substrate and essence of the flexible substrate are respectively taken, dregs are removed, and the rigid substrate and the flexible substrate make up for each other.

The invention discloses a self-adaptive thermal management semiconductor multi-stage heat dissipation packaging control method and system, and belongs to the technical field of semiconductor heat dissipation, and the method specifically comprises the steps: monitoring the core temperature of a semiconductor device in real time through a temperature detection unit by using a thermistor, transmitting the core temperature to a control unit, comparing the core temperature with preset low-temperature, medium-temperature and high-temperature thresholds through the control unit, and outputting the core temperature of the semiconductor device; different levels of heat dissipation control signals are sent to the heat dissipation execution unit according to the result, and the heat dissipation execution unit starts the corresponding primary, intermediate, middle-high-level or high-level heat dissipation module and feeds back the operation state; during operation, the control unit continuously monitors the temperature, evaluates the heat dissipation effect and adjusts the heat dissipation level; when the semiconductor device stops or enters a low-power-consumption standby mode, the semiconductor device sends out a signal to enable the control unit to enable the heat dissipation execution unit to close the heat dissipation module. The method can adaptively regulate and control heat dissipation according to the working state of the semiconductor, guarantees the performance and stability of the device, improves the heat dissipation efficiency, and saves energy.

The utility model discloses an air-cooled energy storage battery cabinet, which relates to the technical field of battery cabinets, and is characterized by comprising a cabinet body and four supporting legs fixedly arranged on the bottom surface of the cabinet body, a ventilation mechanism is arranged in the cabinet body, and a drying mechanism is arranged behind the cabinet body; the technical effects are that wet air can be dried by arranging the drying mechanism, so that the interior of the cabinet body is not moist after the wet air enters the cabinet body, the battery pack is not in a moist environment, the fault rate of the battery pack is reduced, and the service life of the battery pack is prolonged. When air is dried, humid air can be compressed and dried in a freezing mode through the air dryer, the dried air can pass through a drying agent, and therefore secondary drying can be conducted on the air, water in the air is less, the efficiency of the air entering the air suction box can be higher by controlling the impeller to rotate, and the drying effect is better. Therefore, the ventilation effect of the interior of the cabinet body is better.

The invention discloses a clamping device for tensile detection of a metal material, and aims to solve many problems of a traditional clamping device during high-temperature detection. Comprising a base, a first piston cylinder, a second piston cylinder, a clamping plate and a mounting plate, and the mounting plate is hinged with a plurality of rotating rods and clamping jaws and is provided with a driving, fixing and cooling mechanism. The driving mechanism accurately controls the clamping jaw to act through a motor and a gear. The fixing mechanism fixes the angle of the clamping jaw through thermal expansion of the phase-change material. The cooling mechanism comprises a pipeline, an oil pump and a circuit breaking mechanism and achieves lubricating oil circulating cooling and pin shaft lubricating. All the mechanisms work cooperatively, stable clamping, accurate action and effective cooling and lubricating at high temperature are ensured, the detection precision and reliability are improved, the service life of the device is prolonged, and the device is particularly suitable for tensile detection of high-temperature metal materials.

The invention relates to the technical field of vehicle driving motors, and particularly discloses an oil-immersed motor and a vehicle, and the oil-immersed motor comprises a motor housing, a stator assembly, a rotor assembly and a flow regulating valve. According to the oil immersion type motor, the first outlet of the flow adjusting valve is communicated with the stator cooling cavity, and the second outlet of the flow adjusting valve is communicated with the rotor oil way channel, so that the flow of cooling oil entering the stator cooling cavity and the rotor oil way channel can be adjusted by utilizing the flow adjusting valve according to actual working conditions; therefore, the stator assembly and the rotor assembly are subjected to precise heat dissipation, and the heat dissipation effect of the stator assembly and the rotor assembly is improved. The oil immersion type motor can effectively solve the problem that the cooling flow distribution of the stator and the rotor in the motor in the prior art is a fixed value and cannot be changed along with the working condition, so that the heat dissipation effect is poor.

The utility model relates to a hybrid power liquid cooling system which comprises a water cooling system and a refrigerant cooling system. The water cooling system comprises a water pump, a radiator, a heat exchanger and a cooling system which are sequentially connected through pipelines to form circulation. The water cooling system further comprises a feed liquid temperature sensor for monitoring the feed liquid temperature, a return liquid temperature sensor for monitoring the return liquid temperature and an environment temperature sensor for monitoring the environment temperature. The refrigerant cooling system comprises a compressor, and the compressor is sequentially connected with a radiator and a heat exchanger of the water cooling system through pipelines and returns to the compressor to form circulation; cooling liquid is arranged in circulating pipes of the water cooling system and the refrigerant cooling system, and environment temperature sensors are arranged in the circulating pipes. According to the utility model, the use cost can be reduced, the influence of environment temperature or working temperature can be avoided, accurate cooling of the to-be-cooled equipment is realized, and the service life of the to-be-cooled equipment is prolonged.

This utility model relates to an air-cooled refrigeration unit for beer storage, comprising a refrigerated display case and a refrigerated air-cooled unit disposed on the upper side of the refrigerated display case. Multiple support mechanisms are linearly arrayed inside the refrigerated display case. An air supply mechanism is provided at the bottom of the refrigerated air-cooled unit. Each support mechanism includes an air outlet nozzle rotatably fitted inside the refrigerated display case. By setting multiple support mechanisms, the air outlet nozzles can directly spray cold air onto the beer bottles. Multiple air outlet nozzles cool multiple layers of beer bottles one-to-one, facilitating precise cooling of the beer bottles, improving cooling efficiency, and enhancing the uniformity of cooling across multiple layers of beer bottles within the refrigerated display case. The refrigerated air-cooled unit drives multiple air intake holes on the upper part of the U-shaped frame to draw in air, forming a horizontal cold airflow to cool the upper part of the beer bottles, further improving the uniformity and efficiency of cooling.

The utility model discloses a special-shaped hot press device of bamboo products, including device table body, movable seat, clamping frame, hot press molding table and hot press head, movable seat is provided above device table body, clamping frame both are provided on the both sides of movable seat top, device frame body is welded on one side of device table body top, and the hot press molding table and hot press head are welded on the other side of device table body top. An air cylinder is installed at the top of the device frame body, the hot-pressing head is fixed to the output end of the air cylinder, the hot-pressing forming table is fixed to the portion, below the hot-pressing head, of the outer wall of the device frame body, an arc-shaped forming cavity is formed in the top of the hot-pressing forming table, and a gas pipe is installed in the portion, below the arc-shaped forming cavity, of the hot-pressing forming table. And flame spray guns are mounted at the top ends of the gas pipes at equal intervals. According to the utility model, not only can the bamboo canes be supported and shaped, the forming effect is good, the heating uniformity of the bamboo canes is improved, but also the hot press forming part can be accurately cooled, and the cooling effect is obvious.

The application discloses a phased array synthetic jet micro-actuator device, which comprises a substrate, a substrate, a plurality of vibration units and a top cover; the plurality of vibration units are arranged in the space surrounded by the substrate frame along the transverse direction of the substrate; the diaphragm of the plurality of vibration units can generate vibration perpendicular to the surface of the substrate under an applied driving signal; and the input voltages of two adjacent vibration units are opposite; the upper surface of the substrate is sealingly connected with the top cover; the lower surface of the top cover and the vibration upper surface of the plurality of vibration units form a communication airflow channel; along the transverse direction of the substrate, air outlets which are in communication with the airflow channel are respectively arranged on the two end sidewalls of the top cover; along the transverse direction of the substrate, the substrate is provided with an air inlet which penetrates the thickness of the substrate; external airflow can be sucked into the airflow channel through the air inlet; and the vibration units and the air inlet are alternately and spacedly arranged along the transverse direction.

The utility model provides a kind of iron core production transfer device, belong to iron core production technical field, including fixed frame, fixed installation in the fixed frame end part conveying assembly, the cooling assembly used in cooperation with the conveying assembly, the adjusting assembly of being clamped in the side wall of the conveying assembly, and the cleaning assembly being set in the side surface of the conveying assembly and being used in cooperation with the conveying assembly.The utility model passes through conveying assembly, cooling assembly, adjusting assembly and cleaning assembly, significantly improve the efficiency and reliability of iron core transfer, conveying assembly adopts modular design, combined with extrusion spring and bearing seat structure, ensure that iron core is stably conveyed and reduce collision damage;Cooling assembly adjusts cooling machine position by telescopic cylinder, realizes accurate cooling, avoids high-temperature deformation;Adjusting assembly utilizes cylinder to drive conveying roller, flexibly adapts different size iron core, enhances universality;Cleaning assembly adopts pneumatic blowing technology, automatically removes iron core surface debris.

The present application discloses a display heat dissipation method and a display device, the display device includes a lamp board and a plurality of micro heat dissipation devices, the micro heat dissipation devices are arranged on the lamp board, and the heat dissipation method includes the steps of: dividing the lamp board into N*M blocks; obtaining the real-time value of each block, and based on the representative value of each block, controlling the rotation of the micro heat dissipation devices in the corresponding block to adjust the temperature value in each block; wherein N and M are positive integers greater than 1. The present application arranges micro heat dissipation devices on the lamp board, and divides the lamp board into blocks. According to the real-time value and representative value of each block, the micro heat dissipation devices in the corresponding block are controlled to rotate to adjust the temperature value in each block, thereby realizing local heat dissipation and preventing the temperature in some areas of the lamp board from being too high, which affects the service life of the lamp beads on the lamp board.

The present invention discloses a multi-node server data processing device, which relates to the technical field of multi-node servers; it comprises a service cabinet and a plurality of server units, the service cabinet is provided with a cabinet slot for installing a plurality of server units, and a heat dissipation and noise reduction component is installed on the service cabinet; a plurality of support frames are fixedly installed in the cabinet slot, and the server units are placed on a plurality of support frames at the same height through the installation components, and a heat conduction and noise reduction component matched with the heat dissipation and noise reduction component is installed on the server units. The advantages are: under the premise of satisfying the overall required heat dissipation, the vibration and noise generated by air cooling in the device are effectively reduced, the protection of the working environment of the server nodes is improved, and the accuracy of the work of the server nodes is improved.

The utility model discloses an energy storage device which comprises a shell, a flow guide assembly and an energy storage assembly, the shell is provided with a containing cavity, a first air inlet, a first air outlet, a second air inlet and a second air outlet, and the flow guide assembly is arranged in the containing cavity and partitions the containing cavity so that the containing cavity can form a first cavity and a second cavity. The first air inlet, the first cavity and the first air outlet are communicated to form a first heat dissipation channel, the second air inlet, the second cavity and the second air outlet are communicated to form a second heat dissipation channel, the energy storage assembly comprises a battery pack, a first flow guide fan, a converter and a second flow guide fan, and the battery pack and the first flow guide fan are both arranged in the first heat dissipation channel; the converter and the second flow guide fan are arranged in the second heat dissipation channel, and the converter is electrically connected with the battery pack. According to the utility model, the battery pack and the converter are separately cooled through the first cooling channel and the second cooling channel, so that the accurate cooling of the battery pack and the converter is realized, and the cooling efficiency can be effectively improved.

The application discloses a kind of wet friction plate oil tank heat dissipation capacity evaluation method, the method is: step 1, determine the oil tank simulation scheme of m kinds of friction plate;Step 2, in the flow field analysis software, respectively build the friction plate oil tank flow field analysis model corresponding to m kinds of oil tank simulation scheme;Step 3, by changing the heat dissipation rotation speed, cooling flow, obtain the heat dissipation power and oil film shear torque of the oil tank inner surface of the friction plate surface in n kinds of typical heat dissipation rotation speed, p kind of typical cooling flow in m kinds of oil tank simulation scheme, and calculate the heat dissipation coefficient of the friction plate oil tank in the i kind of oil tank simulation scheme;Step 4, compare the oil tank heat dissipation coefficient calculated from m kinds of oil tank simulation scheme, the greatest numerical value of oil tank heat dissipation coefficient is the oil tank simulation scheme with optimal comprehensive heat dissipation performance;The application can meet the design requirement of the fine design of friction plate heat dissipation.

The invention relates to the field of liquid cooling heat dissipation, and particularly discloses a heat dissipation cabinet which comprises a cabinet body and a controller, the cabinet body is provided with a cooling liquid cavity, and the heat dissipation cabinet is characterized in that a heat exchange cavity is formed in the side wall of the cabinet body, and the cabinet body is provided with a cooling liquid circulation system; the cooling liquid circulating system comprises a circulating pump, a liquid outlet pipeline entering the heat exchange cavity and a liquid inlet pipeline entering the cooling liquid cavity, the liquid outlet pipeline is provided with a plurality of branches, the branches are connected with different heights of the cooling liquid cavity, each branch is provided with an electromagnetic valve, a plurality of groups of temperature sensors are further arranged in the cooling liquid cavity, and the temperature sensors are connected with the cooling liquid cavity. Each branch corresponds to one group of temperature sensors, when the corresponding temperature sensor detects that the temperature exceeds a set value, the electromagnetic valve on the corresponding branch is opened, and if the temperature does not exceed the set value, the electromagnetic valve on the branch corresponding to the highest temperature value is opened. The invention has the effect of improving local heat accumulation of the cabinet.

The utility model relates to the electrode paste production technical field, specifically is a kind of cooling device suitable for electrode paste forming equipment, including frame, and the inner tube of frame is rotatably connected by bearing, and outer tube inner wall and inner tube outer wall are attached, and several water spray holes on the same longitudinal line are set in the length direction of outer tube, and the water outlet is set in the length direction of inner tube, and each row of water outlet increases in the width of anticlockwise direction along inner tube, and the aperture of water spray hole is greater than the aperture of water outlet, and the outer end of inner tube is communicated with outer tube and external water source, and the inner tube is rotatably connected with outer tube by sealing bearing at the place of being penetrated, and the outer end of inner tube is driven along its axis of rotation by driving mechanism. The use of the application can change the water spray amount by the rotation of the inner tube, and better cooling can be realized, and the water spray position can be changed by the rotation of the outer tube, and accurate cooling can be ensured, and better cooling can be realized.

The invention discloses a laser additive direction-adjustable heat dissipation device based on the phase change process and a control method, and the device comprises a supporting shell, and a pair of opposite side walls of a shell body of the supporting shell are provided with openings to form a hollow installation space; the mounting assembly is movably mounted on the inner wall of the mounting space, and the position of the mounting assembly can be adjusted relative to the mounting space; the driving end of the driving assembly is connected with the mounting assembly through the transmission assembly, and the driving assembly is used for driving the mounting assembly to move in a preset position track in the mounting space; the spraying assembly is arranged on the mounting assembly and used for spraying a heat dissipation preparation so as to reduce the real-time temperature of the laser generation equipment during laser additive manufacturing; the spraying assembly comprises a spraying piece. The equipment temperature in the laser additive manufacturing process is effectively reduced, the problems of material performance reduction and equipment loss caused by high temperature are solved, and the heat dissipation efficiency and the manufacturing stability are improved.

The invention relates to the technical field of laser therapeutic apparatuses, in particular to a laser therapeutic apparatus convenient for switching output laser, which comprises a laser therapeutic apparatus body, a display module and an optical fiber output joint are arranged outside the laser therapeutic apparatus body, and a control mechanism, a power supply mechanism, a high voltage generation mechanism and a heat dissipation mechanism are arranged inside the laser therapeutic apparatus body. And the laser generating mechanism comprises a holmium laser generator, a thulium laser generator, an optical fiber adapter and a shell. According to the invention, the holmium laser generator and the thulium laser generator are arranged, and the holmium laser generator and the thulium laser generator are quickly switched with the output optical fiber through the optical fiber adapter, so that a user can quickly realize the change of laser types according to actual requirements in an operation process, and better patient service is realized.

The invention relates to the technical field of refrigeration equipment, and provides a control method and device of a refrigerator, the refrigerator and a storage medium, a refrigeration chamber of the refrigerator comprises a plurality of storage areas, each storage area is correspondingly provided with an air door capable of being opened and closed, and the control method comprises the steps that a target storage area of food materials in the refrigeration chamber is obtained, the target storage area is one or more of the multiple storage areas; and based on the target storage area, an air door corresponding to the target storage area is controlled to be opened, and air doors corresponding to other storage areas except the target storage area are controlled to be closed. By controlling the air door corresponding to the target storage area of the food materials to be opened and controlling the air doors of the other storage areas to be closed, cold air can be directly blown to the food materials in the target storage area, rapid and accurate cooling of the food materials is achieved, and the rapid refrigeration requirement of a user is met.

The invention discloses a water-cooling ingot mold device for preparing nanocrystalline master alloy and a control method of the water-cooling ingot mold device, and relates to the technical field of mold cooling. The water-cooling ingot mold device based on nanocrystalline master alloy preparation comprises a water-cooling ingot mold, a plurality of water-cooling pipes are rotatably installed on the water-cooling ingot mold, every two adjacent water-cooling pipes are communicated through a connector, and when cold water is introduced into the water-cooling pipes, the cold water rotates around the axes of the water-cooling pipes; a data acquisition module and a data analysis module are arranged on the water-cooling ingot mold, the data acquisition module is used for acquiring in-mold temperature data of the water-cooling ingot mold in each time period in real time, and the data analysis module is used for analyzing the in-mold temperature data of the water-cooling ingot mold in each time period in real time. A circulating water adjusting valve is arranged on the outer side wall of the water injection end of the water supply pipe and used for adjusting the flow speed of cold water according to the real-time analysis result of the data analysis module. The flow rate of cold water is adjusted in real time through a PID control algorithm.

The embodiment of the invention provides a cooling and heat supply system for superheated steam and a control method of the cooling and heat supply system. The cooling and heat supply system comprises a heat source, a heat supply network heater, a cooling assembly, a detection assembly and a controller. The heat source is used for providing superheated steam. The heating network heater communicates with a heat source through a steam pipeline. And the cooling assembly is arranged between the heat source and the heating network heater, is used for cooling the superheated steam and comprises a control valve. The detection assembly is arranged between the cooling assembly and the heating network heater and used for detecting working parameters of the steam pipeline. The controller is connected with the detection assembly and the control valve, and the controller controls the operation parameters of the cooling assembly according to the working parameters so as to cool the superheated steam to saturated steam or slightly superheated steam.

The present invention relates to the technical field of grinding devices, and in particular to a grinding device for food processing. It comprises a support frame, a fixed shell is fixedly connected to the upper side of the support frame, a grinding disc is rotatably connected in the fixed shell, a dividing frame is fixedly connected in the fixed shell, a filter frame is rotatably connected to the upper side of the dividing frame, a dividing frame fixedly connected to the fixed shell is fixedly connected to the lower side of the dividing frame, and the dividing frame divides the area in the fixed shell where it is located into three parts, and each part is provided with an arc-shaped fixed block in contact with the inner wall of the fixed shell. The present invention utilizes the different apertures of the filter holes on the filter frame to filter materials of different sizes, and transports materials of different sizes to between the corresponding arc-shaped fixed blocks and the grinding disc, so as to accurately grind raw materials of fixed sizes, and avoid the increase of the overall grinding time and the influence of grinding efficiency due to the long grinding time required for large materials when grinding materials.

The utility model discloses a high temperature resistant printed circuit board structure for a vacuum sealer, which comprises a protective shell, an installation groove and a printed circuit board body, the center of the top of the protective shell is provided with the installation groove, the printed circuit board body is embedded in the installation groove, the two sides of the installation groove are provided with movable cavities, and the movable cavities are arranged in the installation groove. Sliding strips are embedded in one side of the movable cavity, clamping blocks are arranged on the opposite sides of the two sets of sliding strips, ventilation openings are formed in the outer walls of the two sides of the protective shell, a first fan is arranged on the side, adjacent to the ventilation openings, of the outer wall of the side, and a controller is arranged on the inner wall of the bottom of the protective shell. The top of the printed circuit board body embedded in the mounting groove can be fixedly connected in an abutting mode through the clamping block, clamping can be canceled by pulling the pull block to achieve disassembly of the circuit board when disassembly needs to be conducted, the first fan or the second fan can be independently controlled by the controller to conduct heat dissipation, and therefore energy consumption can be saved while precise heat dissipation is conducted.

The utility model relates to a firearm cartridge receiver forming tool which comprises a die body and a supporting assembly, the die body and the supporting assembly are matched with each other to form a firearm cartridge receiver die cavity, the supporting assembly adjustably supports the die body above a base, and a plurality of heat exchange inserting columns for temperature control are inserted in a static die body and a movable die body of the die body in an array mode. The input ends of the multiple heat exchange inserting columns communicate with a cooling assembly through forked hoses, the output ends of the multiple heat exchange inserting columns communicate with the input end of a spiral heat preservation pipe wrapping an injection molding material conveying pipe through the forked hoses, and the output end of the spiral heat preservation pipe further communicates with the input end of the cooling assembly so as to construct a circulating temperature control pipeline. And the injection molding material conveying pipe is communicated with the casing mold cavity in a manner of penetrating through the static mold body. According to the utility model, the stability of the mold body can be ensured, and meanwhile, the cooling and demolding of the injection-molded casing workpiece can be quickly completed, so that the production efficiency and quality of the casing workpiece are improved.

The application discloses a low-energy-consumption waste heat recovery type brazing furnace, which comprises a furnace bottom with a ring-shaped cross section, a muffle top with a U-shaped cross section, a plurality of air guide strips fixed to the inner top of the muffle top and distributed in a ring shape with the center of the furnace bottom as the center, an atmosphere nitrogen preheating chamber with a middle line tangent to the middle line of the furnace bottom, a nitrogen pipe communicated with the atmosphere nitrogen preheating chamber, an inlet and an outlet arranged on the side surface of the muffle top, the position of the inlet and the outlet being perpendicular to the atmosphere nitrogen preheating chamber and having an overlapping area with the inside of the atmosphere nitrogen preheating chamber, heating element groups respectively fully arranged on the inner wall of the muffle top and the top wall of the atmosphere nitrogen preheating chamber, water pipes with both ends arranged outside the muffle top and the pipe body arranged on the inner top of the muffle top, and a total controller connected with the heating element groups. The application has the advantages of lower energy consumption and recovery of excess heat.

The utility model provides a high-rigidity main shaft structure of a horizontal machining center, and relates to the technical field of horizontal machining centers, the high-rigidity main shaft structure comprises an annular coil pipe cooling assembly, a self-adaptive reciprocating motion assembly and a shaft body, the annular coil pipe cooling assembly is arranged on one side of the outer wall of the self-adaptive reciprocating motion assembly; the annular coil pipe cooling assembly comprises two connecting plates, a circulating pump is fixedly installed at the tops of the two connecting plates, the liquid outlet end of the circulating pump fixedly communicates with a liquid outlet pipe, and the outer surface wall of the liquid outlet pipe fixedly communicates with a coil pipe. The cooling liquid can flow in the sleeve according to a specific path through the design of the coil pipe, the cooling effect is enhanced, heat generated by high-speed rotation of the main shaft is effectively taken away, deformation of the main shaft caused by overheating is prevented, meanwhile, the high heat generated by a shaft body can be continuously absorbed by the cooling liquid in the circulation process, and the cooling effect is improved. And the temperature of the main shaft body can be effectively reduced.

The utility model relates to the technical field of heat dissipation of permanent magnet all-in-one machines, and discloses an auxiliary heat dissipation mechanism of a permanent magnet all-in-one machine, which comprises a supporting base, a heat conduction copper block is arranged at the upper end of the supporting base, a permanent magnet all-in-one machine shell is arranged at the upper end of the heat conduction copper block, and a permanent magnet all-in-one machine body is arranged in the permanent magnet all-in-one machine shell. Heat dissipation fins are arranged on the left side of the permanent magnet all-in-one machine shell, heat dissipation air channels are arranged between the heat dissipation fins, a mounting plate is arranged between the heat dissipation fins, a heat dissipation fan is arranged at the upper end of the mounting plate, and a temperature sensor is arranged in the permanent magnet all-in-one machine shell. According to the auxiliary heat dissipation mechanism of the permanent magnet all-in-one machine, the temperature is monitored in real time through the temperature sensor, the controller intelligently controls operation of the heat dissipation fan according to a temperature signal, accurate and efficient heat dissipation is achieved, and compared with a traditional heat dissipation mode, the temperature of equipment can be more timely and effectively reduced, and the working efficiency and stability of the equipment are improved.

The invention relates to the technical field of heat dissipation devices of electric power cabinets, in particular to an efficient heat dissipation electric power cabinet for electric power engineering. An electric power cabinet body is fixedly assembled at the top of the center of circle of the cabinet body base, and a positioning heat dissipation structure rotationally mounted on the cabinet body base is assembled on the inner side of the electric power cabinet body; the positioning heat dissipation structure is provided with a cooling structure for heat conduction and cooling of wind power temperature; the positioning heat dissipation structure is provided with a wind direction adjusting structure for guiding and adjusting the wind blowing direction; a drying and ventilating structure for absorbing moisture in inlet air is rotationally assembled on the cabinet body base; according to the device, the wind direction is accurately adjusted, the wind direction adjusting structure adjusts the direction of a wind gathering conical hopper through an electric telescopic rod, it is ensured that wind power of a cooling fan can be accurately blown to high-temperature equipment, the functions of accurate cooling and rotation of a flexible sealing pipe at any angle are achieved, wind direction adjustment is more flexible, and the device adapts to power equipment at different positions.

The invention belongs to the technical field of coal mine underground individual protection, and particularly relates to a mine underground multi-working-condition composite phase change material cooling garment which comprises a cooling garment body, a plurality of cold storage bag side pockets and a plurality of cold storage bags, and the cold storage bag side pockets are arranged at the chest position, the abdomen position and the lower portion of the back of the cooling garment body respectively. The cold storage bag side pocket is used for containing a cold storage bag, and a composite phase change material is packaged in the cold storage bag. The invention further provides a manufacturing method of the mine underground multi-working-condition composite phase change material cooling clothes. The thermal comfort and safety of operators in the high-temperature environment are improved, on-demand regulation and control of the cooling efficiency are achieved through modular design, the effective cooling time is remarkably prolonged, and energy consumption and maintenance cost are reduced. The cooling suit can stably operate under the continuous underground working condition, has good environmental adaptability and reliability, is suitable for different actual working conditions, and has important popularization value and application prospects.