308 results about "Cooling cycle" patented technology

The invention discloses a control method for a cooling circulation system of a multi-core processor, and relates to the technical field of computer hardware heat dissipation, and the control method comprises the following steps: the multi-core processor is responsible for executing a calculation task; the sensor module monitors the temperature of each core; the cooling system control module is used for receiving data from the temperature sensor and the load monitoring module, calculating the cooling requirement of each core according to the data and commanding a cooling unit to adjust; the cooling unit is used for adjusting cooling equipment to reduce the temperature of the processor according to an instruction of the control unit; and the debugging interface is used for monitoring the state of the system and displaying the temperature, the load and the cooling resource distribution condition of each core. The method has the beneficial effects that the rotating speed of the fan, the liquid cooling flow and the working state of the heat pipe system can be accurately controlled by combining the accurate analysis of the load change and the temperature data, the heat dissipation efficiency of the processor is improved, and the energy waste is reduced.

The invention belongs to the technical field of ship bearings, and particularly relates to a ship bearing radial loading test bench and method for simulating ice load and water immersion working conditions, and the method comprises the steps: installing a to-be-tested intermediate bearing on a test platform, enabling the intermediate bearing to sleeve a test shaft, starting a cooling water circulation system to control the flow, cooling water enters a cooling water coil pipe to establish oil pool cooling circulation; a driving motor is started; a test shaft stably operates through equipment such as a reduction gearbox and the like; a dynamic pressure lubrication state is established, a radial dynamic load or a stable constant load is applied through a hydraulic loading system to simulate an icebreaking load working condition, and a simulated water body is injected into a water tank; the test conditions of the intermediate bearing in a ship immersion environment are constructed through water pressure adjustment, the temperatures of lubricating oil, a bearing bush and cooling water are monitored in real time, the loading force is adjusted through feedback data, and the performance of the intermediate bearing is judged after the test is finished. The problems that ice excitation and soaking environment simulation are insufficient and a loading structure is eccentric in the prior art are solved, and high-precision cooling and thermal stability evaluation are achieved.

The invention relates to the technical field of task scheduling, in particular to a task scheduling optimization system for a smelting process, which comprises a furnace temperature identification module, a hot load analysis module, a load screening module, a sorting regulation and control module and a task joint control module. According to the method, a stable operation section is screened based on thermocouple time sequence temperature difference fluctuation characteristics, task identification is ensured to be in tight fit with a real metallurgical process state, furnace profile thermal parameters and raw material attributes are introduced to dynamically estimate task thermal loads, and the heat adaptation relation between tasks and equipment is determined; safety load interval limitation is set in the screening task and furnace body combination process, the safety and matching precision of resource allocation are improved, meanwhile, cooling period limitation is embedded in task sorting to recognize delay tasks, scheduling continuity and task connection reasonability are enhanced, the capacity of a scheduling strategy for responding to actual operation constraints is improved, and the service life of the scheduling strategy is prolonged. The overall optimization of accurate task screening, reasonable load distribution and ordered scheduling sequence is realized.

The invention relates to the technical field of immersion liquid cooling control, in particular to an immersion liquid cooling data control method and system combining photovoltaic and low-temperature waste heat power generation, and the method comprises the steps: transmitting low-temperature waste heat generated by the operation of a server to a liquid cooling circulation system, capturing solar radiation energy through a synchronous photovoltaic module, forming basic energy input, and transmitting the basic energy input to a server; generating a symbiotic energy substrate; the symbiotic energy substrate drives dual-path conversion, and photovoltaic electric energy is directly supplied to a cooling system pump set and a control unit to maintain liquid cooling circulation; afterheat pushes an expansion unit to generate power through organic working medium gasification, so that energy consumption of a cooling system is supplemented, and an energy flow self-driving system is formed; operation parameters of the energy flow self-driven system are input into the control core, and a three-state strategy is dynamically executed based on the load state and photovoltaic output. The system comprises a liquid cooling cabinet, a CDU control unit, a PLC, a solar panel, a photovoltaic cell, an illumination intensity sensor, a waste heat recovery device, a mode switcher and the like. According to the invention, system operation mode switching time delay is eliminated.

The invention discloses a Cu-based oxide loaded Cu-based alloy and a preparation method and application thereof. Uniformly mixing a Cu source and a second metal source in a solvent, and then centrifuging and drying to obtain a solid precursor; placing the obtained solid precursor in a Joule heating graphite groove, raising the temperature to 600-800 DEG C by using Joule heat generated by pulse discharge under a protective atmosphere, then cooling to room temperature, and circulating heating-cooling for 5-7 times to prepare the Cu-based oxide loaded Cu-based alloy, the method is extremely high in synthesis speed, simple to operate and extremely low in energy consumption, and the obtained material shows excellent catalytic activity and stability in an electro-catalysis carbon dioxide reduction reaction.

According to the equipment and the method, hydrogen is pre-cooled with a mechanical low-temperature pre-cooling cycle and a helium cycle through a first-stage heat exchanger, is subjected to ortho-secondary conversion through a second heat exchanger, a fourth heat exchanger and a fifth heat exchanger, and is subjected to heat exchange with cold helium discharged from a first turbo expander in the helium cycle; and liquid hydrogen generated after the liquid hydrogen enters the liquid hydrogen throttling valve to be throttled enters the liquid storage tank, and the hydrogen liquefaction process is completed. Helium entering and exiting the helium circulation low-temperature compressor unit is subjected to mechanical low-temperature precooling, the compression work is reduced through helium low-temperature compression, the expansion work is recycled through the turbo expander, and the thermodynamic efficiency of the system is improved; the hydrogen liquefying system only depends on the cooling capacity provided by the helium circulating system and the mechanical low-temperature pre-cooling circulating system, hydrogen liquefying can be completed without compression, and the system safety is improved; the helium circulation low-temperature compressor unit and the mechanical low-temperature compressor both adopt oil-free gas suspension centrifugal compressors, so that the problems of oil removal and oil return are avoided, and the reliability is remarkably improved.

The invention relates to a magnetic suspension bearing, a compressor and an air compressor, and the magnetic suspension bearing comprises a support assembly which is used for being fixedly connected with a shell of the compressor; the bearing stator assembly is mounted on the support assembly; wherein the support assembly is provided with at least one liquid cooling flow channel, and at least part of the liquid cooling flow channel is arranged opposite to the bearing stator assembly in the axial direction of the magnetic suspension bearing. According to the magnetic suspension bearing disclosed by the invention, the cooling liquid in the liquid cooling flow channel circularly flows, so that the cooling liquid exchanges heat with the support assembly which generates heat, the heat is absorbed, and the temperature of the magnetic suspension bearing is reduced. And the cooling liquid absorbing heat flows out of the flow channel, is cooled by an external heat dissipation device and then flows into the flow channel again to form continuous cooling circulation, so that the temperature of the magnetic suspension bearing is effectively controlled, and the influence of local high temperature on the performance and the service life of the compressor is avoided.

The invention relates to the field of intelligent distribution boxes, and discloses a modularized intelligent distribution box based on liquid cooling circulation, which comprises a box body and electrical elements arranged in the box body, and a liquid cooling piece is arranged in the box body; the liquid cooling piece is communicated with a circulating liquid supply mechanism buried underground; the box body is provided with a scraping mechanism for scraping liquid from the liquid-cooled part, and the liquid scraped by the scraping mechanism is discharged out of the box body; the scraping mechanism comprises a magnetic ring, and the magnetic ring magnetically acts on liquid in the liquid cooling part; a rotational flow piece which moves along with the movement of the magnetic ring is arranged in the liquid cooling piece, and the rotational flow piece moves along with the movement to scrape the inner wall of the liquid cooling piece. Condensate water on the surface of the heat exchange pipe is removed through the scraping mechanism, and the humidity in the box is controlled through inclined design of the shunting box and the collecting box, guide of the protection plate and the discharge port, so that heat exchange efficiency reduction and electric appliance insulation risks are avoided; the external scraping shell and the internal rotational flow piece are linked through the magnetic ring, the inside and outside of the pipe are synchronously cleaned, a magnetic field changes mineral crystal forms to reduce scale, turbulence scouring keeps clean, and the heat exchange effect is maintained.

The invention discloses an immersion phase change cooling device and cooling method for a net-forming type energy storage converter. The device comprises a power module phase change cooling unit, a condensation module, a liquid storage tank and a heat exchanger, the power module heating element is soaked in a refrigerant of the power module phase change cooling unit, the refrigerant absorbs heat and is heated to generate phase change vaporization, and a liquid refrigerant is converted into a gas refrigerant to be used for reducing the temperature of the power module heating element. A gaseous refrigerant flows to a condensation module, the condensation module exchanges heat with the gaseous refrigerant, so that the gaseous refrigerant is converted into a liquid refrigerant through phase change, and the liquid refrigerant flows to a heat exchanger and exchanges heat with air in the cabinet to reduce the temperature of elements in the cabinet; and the liquid refrigerant continues to flow into the power module phase change cooling unit to cool the power module, so that the immersion phase change cooling circulation process of the structure network type energy storage converter is realized. According to the invention, through phase-change heat exchange, the heat dissipation problem of sudden increase of heat consumption caused by short-time multi-time overload of the grid-forming type energy storage converter is solved, and the heat dissipation efficiency and reliability are improved.

The invention provides a cooling system of a hybrid electric vehicle and a cooling circulation control method, and relates to the technical field of automobiles. The cooling system comprises an engine circulation device, an electric drive circulation device and a coupling heat exchanger. In the engine circulating device, an engine radiator, a first electric water pump and an engine are sequentially connected, the engine, a second electric water pump, a first three-way valve, a second loop of the coupling heat exchanger and a second three-way valve are sequentially connected, one end of a heating ventilation air conditioner is connected to the third end of the first three-way valve, and the heating ventilation air conditioner is connected with the second loop of the coupling heat exchanger in parallel. The third end of the second three-way valve is connected between the engine and the second electric water pump; in the electric driving circulating device, a motor radiator, a first loop of a coupling heat exchanger, an electric control mechanism, an electric driving mechanism and a third electric water pump are sequentially connected; the first loop and the second loop of the coupling heat exchanger are mutually independent. According to the cooling system, the technical effects of improving the heat exchange capacity of the hybrid electric vehicle and reducing the heat dissipation power are achieved.

The invention relates to the technical field of motors, and discloses an oil injection direct-cooling heat dissipation structure which is installed inside a motor, an inner cavity of the motor is provided with a stator iron core used for fixing a metal coil, an oil inlet is formed in a machine base, an oil channel is formed in the annular wall of the stator iron core, and the oil injection direct-cooling heat dissipation structure further comprises two oil injection rings symmetrically arranged on the two sides of the stator iron core; the cooled oil passing through the interior of the iron core reaches the top ends of the two sides of the oil channel, enters the oil guide pipes from the top ends and finally reaches the oil injection rings symmetrically arranged on the two sides of the stator iron core. And the oil injection ring sprays and cools the end parts of the rotor and the stator iron core coil. Therefore, the cooling oil completes the cooling task of all the key heating areas. And the cooling oil after heat exchange is collected to the bottom of the motor under the action of gravity. Collected oil liquid is subjected to heat dissipation through an external cooling system, and is pumped into the oil inlet through the oil pump after being cooled, so that a complete cooling cycle is formed.

The invention discloses ultrahigh-temperature material single-phase Hf < x > Ta < 1-x > C powder and a preparation method thereof. The preparation method comprises the following steps: carrying out wet ball milling on Hf < C > powder and TaC powder, heating, stirring, grinding and sieving to obtain mixed powder; granulating the mixed powder, drying and sieving to obtain agglomerated powder; carrying out high-temperature Joule heat treatment on the agglomerated powder in an environment with a vacuum degree of less than 0.093 MPa by adopting a multi-time heating-cooling circulation Joule heat technology, so that TaC and HfC are mutually diffused in the high-temperature Joule heat treatment process and are completely subjected to solid solution to obtain single-phase Hf < x > Ta < 1-x > C powder with good uniformity; the preparation method disclosed by the invention has the characteristics of simple equipment operation, controllable reaction process, short reaction time and low energy consumption.

The invention relates to a combined heat dissipation system and a server. The combined heat dissipation system comprises an oil tank, a heat exchanger, a pump, a fan, a first temperature detection device and a controller, the oil tank, the heat exchanger and the pump can achieve liquid cooling circulation, and under the condition that the controller receives that the actual temperature of a heat dissipation area of a device to be cooled is higher than the starting temperature, the controller can start the pump; the heat dissipation area is cooled through liquid cooling circulation; after the pump is started, the controller can adjust the output flow of the pump according to the actual temperature, so that the cooling amount of liquid cooling circulation is matched with the heating amount of the heat dissipation area; when the actual temperature received by the controller is higher than the safe temperature, the controller can start the fan to cool the heat exchanger and the pump.

The application provides a ship cooling device and a ship cooling system, which comprise: an air conditioner refrigeration cycle device, a urea cooling device, a first urea cooling cycle pipeline and a urea cabin; the first urea cooling cycle pipeline is drawn from a main cooling cycle pipeline of the air conditioner refrigeration cycle device and connected to the urea cooling device; the urea cabin is connected to the urea cooling device; the urea cabin is used for storing urea solution; the air conditioner refrigeration cycle device is used for forming a refrigerant cycle to provide refrigerating capacity for the ship and the urea cooling device; and the urea cooling device is used for forming a urea refrigerant cycle through the first urea cooling cycle pipeline and the air conditioner refrigeration cycle device to cool the urea solution in the urea cabin. In this way, the urea cooling device and the air conditioner refrigeration cycle device are combined together to form the ship cooling device, so that the cooling of the ship and the urea cabin under extreme temperature and environment can be realized, and cost can be saved.

The invention relates to the technical field of aviation equipment, in particular to an electric gas compressor system and a cooling method thereof.The electric gas compressor system comprises a heat insulation cover and further comprises a gas compressor, a motor, a turbine, a first heat exchanger and a second heat exchanger which are fixed in the heat insulation cover; the outlet is communicated with a hot side runner inlet of the second heat exchanger; a hot side runner outlet of the second heat exchanger is communicated with an inner cavity of a shell of the motor through a cooling air channel, and the cavity is communicated with an airflow inlet of the turbine; the air compressor, the motor, the turbine and the two-stage heat exchanger are integrated in the heat insulation cover, open type cooling circulation without an external cold source is constructed, self-cooling of the motor and a bearing is achieved, a relatively low-temperature environment is built in the heat insulation cover, and the problem that an existing electric air compressor generally lacks effective self-cooling capacity, and the service life of the air compressor is prolonged is solved. And active heat management cannot be carried out on heat-sensitive parts such as motor windings and bearings by utilizing own airflow.

The invention relates to the field of molds, in particular to a double-color mold which comprises a base, at least two cooling assemblies, at least two fixed molds and at least two movable molds, the movable molds and the fixed molds are in one-to-one correspondence and are slidably connected to the surfaces of the fixed molds, and each cooling assembly comprises a power rod, a cooling piston, a first one-way valve and a second one-way valve. The end of the power rod is connected to the surface, facing the fixed mold, of the movable mold, a ventilation cavity for the cooling piston to slide is formed in the inner wall of the power cavity, a first air inlet channel is formed in the surface of the fixed mold, a first one-way valve is connected to the inner wall of the first air inlet channel, a first air outlet channel is formed in the surface of the fixed mold, and a second one-way valve is connected to the inner wall of the first air outlet channel. Through the arrangement of the power rod, the cooling piston, the first one-way valve and the second one-way valve, cooling of the fixed mold is further improved, the first ventilation channel is located between the ventilation cavity and the mold cavity, so that the mold cavity is located on the inner wall of the fixed mold and is not prone to temperature rise, the cooling period for cooling sizing materials in the mold cavity to form a product is shortened, and therefore the machining cost of the product is reduced.

The utility model relates to the technical field of still kettles, in particular to a still kettle. Comprising a kettle body and a kettle cover, the kettle cover is mounted at one end, close to the feeding hole, of the kettle body; a mounting frame is fixedly mounted at the upper end of the kettle body; the kettle cover is rotationally connected with the mounting frame through a rotating rod; through the arrangement of the push plate and the vortex tube, the push plate can push steam entering the mounting shell to flow into the vortex tube, so that the steam flowing into the vortex tube is compressed to release heat, after the steam in the vortex tube releases heat, the air channel is controlled to be opened, so that cooled gas in the vortex tube is conveyed into the kettle body, and the operation is repeated, so that the steam in the vortex tube is cooled. Therefore, the temperature of the steam in the kettle body is reduced while the stability of the air pressure in the kettle body is ensured, and the damage to equipment caused by too fast change of the air pressure is avoided; and the reduction of the steam temperature in the kettle body can be accelerated, so that the cooling period is shortened, and the maintenance production efficiency of the calcium silicate board is improved.

The invention provides an air-suspension variable-frequency centrifugal water chilling unit starting control method, which is realized by an air-suspension variable-frequency centrifugal water chilling unit system, and the air-suspension variable-frequency centrifugal water chilling unit system comprises a system main path cycle, a compressor air supply cycle, a motor cooling cycle and a frequency converter cooling cycle. The method has the beneficial effects that the problem that a compressor bearing and a sealing system are damaged due to surge, stall, suction liquid carrying, current overload and the like in the starting process of the compressor of the air-suspension variable-frequency centrifugal water chilling unit can be solved.

This invention relates to the field of hydraulic system cooling technology and discloses a hydraulic system with multiple cooling structures, including a base plate frame. Two feet are fixedly connected to the upper surface of the base plate frame, and a cooling water tank is fixedly connected to the top of each foot. A third cooling mechanism for cooling hydraulic oil is provided inside the cooling water tank. A lower fixed plate is fixedly connected to the outer circumference of the cooling water tank, and a rotating cylinder is rotatably connected to the upper surface of the lower fixed plate. A second cooling mechanism for cooling hydraulic oil is provided inside the rotating cylinder. This invention not only enables multiple cooling cycles for the hydraulic oil, ensuring complete cooling and preventing overheating and deterioration, but also allows for more comprehensive contact between the hydraulic oil and the cooling water pipes, further improving the cooling effect of the third cooling mechanism. Furthermore, it allows for more comprehensive contact between the cooling water and the oil inlet pipe, thereby further improving the cooling effect of the second cooling mechanism.

To provide a refrigeration cycle system that can suppress malfunctions of the four-way valve at low ambient temperatures. [Solution] The refrigeration cycle device comprises a four-way valve and a control unit. The four-way valve has a compressor, an indoor heat exchanger, an expansion valve, and an outdoor heat exchanger, and switches the direction of flow of the refrigerant that is circulated by the compressor in a refrigerant circuit and connected to the refrigerant circuit. The control unit controls the compressor and switches between heating operation, in which the refrigerant is circulated in a heating cycle, cooling operation, in which the refrigerant is circulated in a cooling cycle with the opposite flow direction to the heating cycle, and defrosting operation, in which frost has formed on the outdoor heat exchanger due to heating operation is removed in the cooling cycle, by switching the four-way valve. When the control unit receives an operation stop signal and is performing defrosting operation, it stops the compressor after performing heating operation for a predetermined time or longer after the completion of defrosting operation.

The invention relates to the technical field of high-temperature gas cooled reactor cooling, in particular to a cooling circulation device, a high-temperature gas cooled reactor comprehensive cooling system and a using method. A cooling circulation device comprises a liquid inlet circulation pipeline; a liquid outlet circulation pipeline; the circulating pump set is arranged between the liquid inlet circulating pipeline and the liquid outlet circulating pipeline, one end of the liquid inlet circulating pipeline is suitable for being communicated with the first liquid inlet main pipeline, one end of the liquid outlet circulating pipeline is suitable for being communicated with the first liquid inlet main pipeline, and cooling liquid flows in the first liquid inlet main pipeline; a first valve is arranged on the first liquid inlet main pipeline between the liquid inlet circulating pipeline and the liquid outlet circulating pipeline, and the communicating position of the liquid inlet circulating pipeline and the first liquid inlet main pipeline is located on the upstream of the communicating position of the liquid outlet circulating pipeline and the first liquid inlet main pipeline. The invention provides a cooling circulation device, a high-temperature gas cooled reactor comprehensive cooling system and a use method, and aims to solve the problems that power pumps and pipelines need to be additionally arranged when each system of a reactor is in an active state, the arrangement is complicated, and the cost is increased.

The present invention provides a heating and refrigeration cycle machine with an efficient cooling and heat dissipation mechanism, which relates to the field of heat dissipation technology, and comprises: a box body; a vertical air inlet is arranged at the upper end of the box body, an end shell is fixed to the right end of the box body, and a transverse air inlet is arranged at the right end of the end shell; a heat dissipation roller is driven to rotate by a high-speed motor, and the strong centrifugal force generated by the rotation can make the coolant be thrown out in the radial direction to fully exchange heat with the surrounding air, and the setting of the two-way air inlet structure expands the air inlet area, and the flow rate of the air inlet can be controlled by turning the lever; when the heat dissipation roller rotates at a high speed, the centrifugal force generated by the rotation can be fully utilized to throw dust particles attached to the surface of the heat dissipation fin to the outside, and at the same time, the spiral surface can also guide the air to flow along the surface of the heat dissipation fin, thereby prolonging the contact time between the air and the heat dissipation fin and enhancing the convection heat exchange effect; the surface of the heat dissipation fin is provided with a hydrophobic nano coating to realize the self-cleaning function and reduce the maintenance cost.

The utility model discloses a shaft core cooling assembly, main shaft and machine tool, including machine body part and shaft core part, the shaft core part is supported on the machine body part through the bearing, the shaft core cooling assembly forms the independent assembly that can be dismantled on the main shaft, the shaft core part extends from the first end to the second end along the axial direction, and the shaft core part extends from the first end to the second end along the axial direction. A connecting end face used for being connected with a spindle core of a spindle is formed at the second end of the spindle core component, the spindle core component is provided with a cooling flow channel extending to the connecting end face, and the machine body component is provided with a cooling connector communicated with the cooling flow channel. According to the technical scheme, the detachable cooling module used for cooling circulation of the spindle core is adopted, is independent of the structure of the spindle, and has the advantages of being simple in structure, high in stability and convenient to mount and dismount. The cooling device can be applied to high / low rotating speed of various spindles, can bear higher cooling water pressure, and is better in cooling effect.

The application provides a heat management method and an absorption type combined cooling and heating system, and comprises the following steps: detecting the ambient temperature in a factory building; if the ambient temperature is less than a first temperature threshold, controlling a first three-way valve, a second three-way valve, a third three-way valve, a fourth three-way valve and a four-way valve to switch to a heating switch state respectively, so that the waste heat generated by auxiliary equipment and steam waste heat are used as a heating source for driving a heating cycle, and the heating cycle is completed through a circulating working medium; if the ambient temperature is greater than a second temperature threshold, controlling the first three-way valve, the second three-way valve, the third three-way valve, the fourth three-way valve and the four-way valve to switch to a cooling switch state respectively, so that the steam waste gas and heat absorbed from cooling water in a cooling cycle are used as a heating source for driving the cooling cycle, and the cooling cycle is completed through the circulating working medium. The steam waste gas, a hot water production and distribution system and a cooling water system are integrated as a whole, and the energy utilization rate is improved by switching the operation mode of the whole system.

The present application relates to a large vacuum pump motor drive device, a control method and a suction and pressure conveying vehicle, which relates to the technical field of suction and pressure conveying vehicles, including a vacuum pump for sucking and discharging dust; a drive motor for connecting to a vehicle battery, the drive motor being connected to a vacuum pump for driving the vacuum pump to operate; a cooling mechanism, which includes an air cooler, a cooling water tank and a cooling pipe, the cooling pipe being wrapped around the drive motor and connected to the cooling water tank, the air cooler being arranged at one end of the drive motor, the cooling water tank being located between the air cooler and the drive motor, and the air cooler being used to cool the drive motor and the cooling water tank. When the temperature of the drive motor is less than a set value, the air cooler directly cools the drive motor, and when the temperature of the drive motor is greater than a set value, the coolant starts to circulate through the cooling pipe to cool the drive motor, and the air cooler cools the coolant entering the cooling water tank, thereby ensuring a cooling effect at different temperatures. At the same time, when only a small amount of cooling is required, there is no need to start the liquid cooling cycle.

The utility model discloses a cooling device before tobacco lamina boxing, which comprises a storage shell, a cavity is formed in the storage shell, a heat dissipation component is rotatably arranged in the cavity and is communicated with a feed port arranged at the top of the storage shell, and the tobacco lamina entering the heat dissipation component from the feed port is cooled by a fan of the heat dissipation component; a mounting frame penetrating through the storage shell is arranged on the lower side of a discharging port of the heat dissipation assembly, the outer wall of the mounting frame is rotationally connected with a conveying belt, and the cooled tobacco lamina falls to the conveying belt from the discharging port by rotating the heat dissipation assembly and is conveyed by the conveying belt. Through the cooperative use of the heat dissipation assembly, the external fan accelerates the heat dissipation efficiency of the tobacco lamina, shortens the cooling period, prevents the tobacco lamina in the inner shell from being stacked together, and ensures the heat dissipation efficiency of the fan to the tobacco lamina.

The invention discloses a multi-mode switching type new energy power control cabinet with enhanced heat dissipation and moisture resistance. The multi-mode switching type new energy power control cabinet comprises a cabinet body, a heat dissipation assembly arranged in the cabinet body, a drying box and a transmission assembly, the transmission assembly comprises a toothed bar, a gear and a first telescopic suite, when the humidity is too high, the drying box moves downwards to seal the meshes to isolate moisture, the heat dissipation assembly forms efficient liquid cooling circulation to achieve cooling and dehumidification, and automatic transmission connection of the heat dissipation assembly and the drying box is completed through the first telescopic suite.

The utility model provides a water cooling mechanism for an ion implanter, which comprises a first cooling seat body, a second cooling seat body, a switching communication pipeline and an external inlet and outlet pipeline, and is provided with a first circulating water path and a second circulating water path which are arranged around the outer sides of respective avoidance ports, so that cooling water can be fully contacted and take away heat, and the service life of the water cooling mechanism is prolonged. The first cooling seat body and the second cooling seat body are efficiently cooled, then the temperature of a key component ion source of the ion implanter is effectively controlled, the first cooling seat body and the second cooling seat body are connected through the switching communication pipeline to form a complete cooling cycle, and the service life of the ion implanter is prolonged. Meanwhile, the avoiding through openings are formed in the middles of the guide connecting rod columns to contain the guide connecting rod columns, the structure is compact, the flowing path of cooling water can be reduced, the cooling efficiency is improved, the cooling device is communicated with cold water supply equipment through an external inlet and outlet pipeline, the flow and temperature of the cooling water can be adjusted according to actual needs, and the cooling requirements under different working conditions are met.

The invention discloses an aircraft wing anti-icing and de-icing PID temperature control device and method and an aircraft, and belongs to the technical field of industrial equipment de-icing equipment.The aircraft wing anti-icing and de-icing PID temperature control device comprises a heating module, a temperature collecting module, an on-off module and a PID controller, the surface of an aircraft body structure is divided into a plurality of independent areas which at least comprise a windward area and a leeward area, the windward area and the leeward area are each provided with a heating module, the PID controller is electrically connected with the temperature collecting module and the on-off module, the temperature collecting module can measure the temperature of the windward area and the temperature of the leeward area and transmit temperature signals to the PID controller, and the PID controller can control on-off of the on-off module. According to the invention, the heating zone can be controlled according to the temperature difference between the windward side and the leeward side of the machine body structure, the heating and cooling period does not need to be manually set, automatic response can be carried out along with the environment change, and the electric energy loss caused by the excessive heating of the leeward side of the machine body structure is saved.

The present invention discloses a motor for a high-speed pump. By setting the inside of the motor shaft as a hollow structure, through holes are radially formed at the joints of the motor shaft where the thrust ring, the first bearing and the second bearing are connected. An internal medium channel is formed between the shielding sleeve and the motor rotor assembly, and a cooling medium is pre-stored in the medium channel. The internal medium channel is connected to the hollow part of the motor shaft through the through holes. When the motor rotates, the cooling medium forms an internal cooling cycle in the motor, taking away the heat generated by bearing friction, the motor rotor and the motor stator. Epoxy resin is potted between the stator winding and the inner and outer casings, greatly improving the heat dissipation capacity of the winding. The present invention improves the service life of the bearing system, prevents the demagnetization of the magnetic steel, and can also significantly reduce the running noise and vibration of the motor. There is no leakage risk, no mechanical seal and no maintenance required, improving the motor efficiency and expanding the application range of the motor.