4467 results about "Air cooling" patented technology

The present invention relates to the technical field of control cabinets, and provides an electrical control cabinet for a thermal power plant, comprising an electrical control cabinet, wherein the electrical control cabinet is provided with a plurality of ventilation openings, a heat absorption plate is fixedly mounted on an inner wall of the electrical control cabinet, a heat dissipation structure is mounted on the heat absorption plate, four connecting bases are symmetrically and fixedly mounted on a top side of the electrical control cabinet, a ventilation structure is mounted on the four connecting bases, two mounting frames are symmetrically and fixedly mounted on the top side of the electrical control cabinet, and an anti-snow structure is mounted on the two mounting frames. According to the present invention, heat dissipation is achieved by means of a combination of heat conduction and air cooling, thereby further improving the heat dissipation effect of the electrical control cabinet. When the present invention is used in winter, if the ambient temperature is low, a fan and an electric heating tube can be turned on to heat internal equipment within the electrical control cabinet, so as to prevent any impact on the operation of the equipment due to excessively low temperatures; when the present invention is used outdoors, a protective metal roof can be employed for snow protection. Furthermore, the present invention also includes a snow removal function.

The invention relates to the technical field of electric welding machines, in particular to a dynamic heat dissipation control method and system for an intelligent electric welding machine. A heat load real-time calculation and heat accumulation trend prediction step; a dynamic collaborative heat dissipation strategy generation and execution step: dynamically generating and executing an air cooling heat dissipation strategy, an air cooling and liquid cooling collaborative heat dissipation strategy or a protective heat dissipation strategy according to a comparison result; wherein the control parameters of the air cooling heat dissipation strategy are determined according to the difference value between the predicted temperature and the corresponding threshold value and the environment temperature; the control parameters of the air cooling and liquid cooling collaborative heat dissipation strategy are determined according to the difference value between the predicted temperature and the corresponding threshold value and the environment humidity; and a heat dissipation effect feedback and self-adaptive calibration step. Real-time sensing, thermal load prediction, a dynamic heat dissipation strategy and feedback calibration are combined, the heat dissipation strategy can be dynamically adjusted according to the working environment and the operation state of the electric welding machine, and the stability and reliability of equipment are improved.

The invention discloses a sleeve type annular cathode open type air cooling hydrogen fuel cell, and belongs to the technical field of hydrogen fuel cells. The air cooling module is vertically arranged on the rack, and the air cooling module comprises an inner cooling bin and an outer cooling bin coaxially arranged outside the inner cooling bin; an air cavity for conduction of an air source is defined between the inner cooling bin and the outer cooling bin; the hydrogen fuel cell stack is vertically arranged in the inner cooling bin; the inner cooling bin is a hollow rectangular shell with two open ends, and a through hole through which an air source is conducted to the hydrogen fuel cell stack is formed in the side wall in a penetrating manner; the outer cooling bin is a hollow rectangular shell with two open ends; the air suction module is vertically arranged in the middle of the inner cooling bin; and the air supply module is vertically arranged in the air cavity in a sliding mode, and the air supply module comprises an upper limiting unit and a lower limiting unit which are arranged in the air cavity in a sliding mode. According to the invention, efficient heat dissipation can be carried out on the hydrogen fuel cell stack, the heat dissipation section can be dynamically adjusted, and the heat dissipation efficiency is high.

The invention discloses a fuel cell heat and humidity integrated management system and an evaporation phase change cooling method thereof, and belongs to the technical field of fuel cell heat management. The system comprises an air cooling and humidifying module, a heat dissipation, evaporation and phase change module and a water recovery and distribution module. The air cooling and humidifying module distributes compressed air to an ultrasonic atomizing nozzle to be mixed with atomized water, and cooling and humidifying of main path air are achieved. The heat dissipation evaporation phase change module sprays atomized water to the surfaces of ATS radiator fins, and heat dissipation is enhanced through evaporation phase change. And the water recovery and distribution module recovers moisture in wet air at an electric pile outlet through condensation and intelligently distributes the moisture to the two atomization systems. A traditional intercooler and a traditional membrane humidifier are omitted, the air flow resistance is reduced by 15-20%, the heat dissipation efficiency is improved by 10% or above, the weight of the system is reduced by 8%, closed-loop utilization of reaction water is achieved, and the system is particularly suitable for fuel cell systems of mobile carriers such as vehicles and unmanned aerial vehicles.

The invention relates to the technical field of manufacturing of engineering machinery parts, and discloses an engineering machinery driving wheel made of a medium carbon alloy cast steel material. The invention also discloses a preparation process of the engineering machinery driving wheel material, which comprises the following steps: S1, casting treatment: melting the medium carbon alloy steel material, and casting into a driving wheel blank; s2, normalizing heat treatment: carrying out normalizing heat treatment on the driving wheel blank; s3, rough machining treatment; s4, quenching treatment: carrying out induction quenching treatment; and S5, finish machining treatment. The synergistic effect of alloy elements in a medium carbon alloy cast steel material is combined with an optimized air cooling process, so that the cast steel is normalized to obtain a uniform structure which mainly contains superfine pearlite and contains extremely little ferrite, the matrix hardness is stable, and the requirement of a high-performance driving wheel is completely met; after the process route is improved, tempering and shot blasting and flaw detection procedures after tempering are canceled; the technological process is greatly shortened, material turnover is reduced, and the production efficiency is improved.

The utility model relates to an efficient heat dissipation type motor, which comprises a stator and a main shaft, the outer end of the stator is fixedly connected with a heat dissipation shell, the outer end of the heat dissipation shell is fixedly connected with a plurality of heat dissipation fins which are distributed in a circumferential array around the axis of the stator, and the outer end of the heat dissipation shell is fixedly connected with a front end cover through screws. A heat absorption cavity is formed in the front end cover, a plurality of hollow heat absorption rings are fixedly connected to the end, close to the stator, of the front end cover, the heat absorption cavity and the heat absorption rings are filled with phase change materials, an overflowing ring is fixedly connected to the end, away from the stator, of the front end cover, and a plurality of phase change circulating pipes are fixedly connected to the outer end of the front end cover. According to the utility model, the collaborative design of multiple heat dissipation mechanisms is adopted, the heat dissipation efficiency of the motor is significantly improved through the organic combination of phase change material heat storage, forced air cooling and heat conduction and dissipation, and the technical problem of insufficient heat dissipation of a high-power motor is effectively solved.

The invention relates to the technical field of intelligent fire extinguishing control of energy storage power stations, in particular to a method and system for plasma protection of thermal runaway of an air-cooled energy storage power station. The method comprises the following steps: processing real-time data acquired by a multi-source sensor through a dynamic risk assessment model to obtain a risk level and an early warning level; an initial control instruction for the plasma generator and the air cooling and refrigerating system is formed according to the risk level and the early warning level; the initial control instruction is processed to form a driving control signal; a control signal is subjected to cooperative execution processing to obtain a high-energy active particle jet flow, a forced airflow and a refrigeration effect. The system comprises an air cooling box body, a battery, a fan, a plasma generator, an ejector, an intelligent controller, a compressor, a gas-liquid separator, a heat exchanger, an electronic expansion valve, a drying filter, a gas sensor and a pressure sensor valve. The safety and reliability of the energy storage power station are improved.

The invention discloses a directional heat dissipation power distribution cabinet with adjustable air deflectors, which relates to the technical field of equipment for power distribution cabinets and comprises a cabinet body and a heat dissipation unit arranged in the cabinet body. The heat dissipation unit comprises a directional heat dissipation assembly used for carrying out fixed-point jet cooling on key heating elements, an air guide assembly used for optimizing overall airflow organization in the cabinet, and a water cooling assembly used for carrying out pre-cooling on cooling airflow of the directional heat dissipation assembly. The directional heat dissipation assembly comprises a fan at least arranged on the top wall in the cabinet body, an air supply pipe communicated with an outlet of the fan, and an annular air pipe arranged in the power distribution cabinet and communicated with the air supply pipe. Through cooperation of the directional heat dissipation assembly and the water cooling assembly, air blown out of the air blowing pipe at the tail end of the telescopic air column is no longer ambient temperature air but low-temperature cold air cooled in advance through the liquid cooling system. According to the pre-cooling type directional air supply mechanism, the heat dissipation efficiency and the limit capacity of air cooling are greatly improved.

The invention provides an air-cooled axial flux motor. The air-cooled axial flux motor comprises a rotating shaft, a stator, a first rotor and a second rotor, two ends of the motor shell are respectively provided with a first air vent and a second air vent; each rotor comprises a rotor disc and a magnetic steel assembly; a plurality of radial flow fan blades are arranged on the side, away from the stator, of the rotor disc in the circumferential direction, and a first air channel is formed between every two adjacent radial flow fan blades. The rotor disc is provided with air passing holes in one-to-one correspondence with the first air ducts, and the air passing holes are axially communicated with the stator shaft hole; the radial flow fan blades on the two rotor discs are configured to be installed in the back-to-back direction. Therefore, when the motor works, a radial-axial-radial airflow cooling path can be formed in the motor shell, so that direct air cooling of the stator and the rotor is realized; the fan blades are completely integrated in the motor and are driven by the rotation of the rotor, so that the dependence on an external fan is effectively eliminated, and the increase of an additional mounting space is avoided; and the self-adaptive adjustment of the cooling intensity can be realized.

The invention discloses a hydraulic mechanical heat dissipation device in the field of hydraulic heat dissipation equipment. The hydraulic mechanical heat dissipation device comprises a heat dissipation pipe, a collection unit and a control unit. A liquid cooling mechanism is communicated in the heat dissipation pipe, and an air cooling mechanism is arranged outside the heat dissipation pipe; the acquisition unit is used for acquiring temperature of hydraulic oil in two ends of the radiating pipe; and the control unit is used for controlling the cooling amplitude of the liquid cooling mechanism and / or the air cooling mechanism based on the temperature acquired by the acquisition unit. According to the scheme, the heat dissipation power can be automatically and flexibly adjusted according to the actual temperature condition of the hydraulic system, so that the heat dissipation accuracy is improved.

The invention discloses a piezoelectric air cooling device based on a piezoelectric film PZT technology, and relates to the technical field of MEMS. The device adopts a two-layer packaging structure of a piezoelectric cantilever beam MEMS chip and a PCB (Printed Circuit Board) with a vent hole. A cantilever beam of the MEMS chip is integrated with an SOI top silicon layer and an ultrathin PZT driving stack, low rigidity and high driving force are achieved, and the surface of the cantilever beam is covered with a PDMS flexible sealing layer to achieve dynamic sealing. When the device works, the cantilever beam is driven to resonate in an ultrasonic frequency band, and efficient synthetic jet is generated at the vent hole by periodically changing the volume of the pump cavity. The technical bottleneck that miniaturization and high performance are difficult to consider at the same time is broken through, and the device has the advantages of being compact in structure, mute and efficient and is suitable for precise heat dissipation of miniature electronic equipment.

The invention provides a large megawatt fan converter heat dissipation device and method based on seawater cooling, the large megawatt fan converter heat dissipation device comprises a cooling circulation system connected with a converter, the cooling circulation system is connected with an external heat exchanger, and a cooling medium circulates between the converter and the external heat exchanger through the cooling circulation system; and a control three-way valve is arranged in the cooling circulation system to control the flow of a cooling medium participating in heat exchange so as to realize temperature adjustment. In order to cool a converter of a high-power wind turbine generator, three external cooling system control schemes are listed: an external cooling system is an independent air-cooling heat dissipation system, the external cooling system is an independent seawater cooling heat dissipation system, and the external cooling system is an air-cooling and seawater cooling heat dissipation system; the heat dissipation capability of the high-power wind turbine generator converter is ensured, the operation stability of the wind turbine generator core part converter is improved, faults caused by high operation temperature of the converter are reduced, the wind turbine generator is enabled to operate reliably, and the availability of the wind turbine generator is improved.

The invention belongs to the technical field of new energy automobile charging equipment, and relates to a charging pile power adaptive adjustment system and method based on temperature feedback, and the method comprises the steps: carrying out the data fusion of a plurality of collected temperature values through employing a Kalman filtering algorithm, and obtaining a target temperature fusion value representing the overall thermal state of a charging pile; the target temperature fusion value is compared with a preset temperature safety threshold value, and the output power of the charging pile is dynamically adjusted according to a comparison result; the future temperature trend is predicted through a charging pile internal temperature prediction model and an air cooling / liquid cooling cooperative temperature adjustment mechanism, and a system can take actions in advance before the temperature does not reach a dangerous threshold but is determined to exceed the standard, so that the passive situation of traditional thermal management is thoroughly changed, real preventive control is realized, and the safety of the system is improved. The output power can be actively reduced when it is detected that the temperature in the pile rises, and overheating damage is prevented; and when the temperature returns to normal, the original power is automatically recovered, so that the reliability and the service life of the charging pile are improved.

The invention relates to the technical field of electric energy metering boxes, in particular to a box group type electric energy metering box which comprises a metering box body and a lifting fixing frame, a second sliding groove is formed in the inner wall of the lifting fixing frame and penetrates through the lifting fixing frame, and a crosswind cooling fan is installed on the inner wall of the second sliding groove in a sliding mode. The electric energy meter cleaning device has the advantages that the longitudinal cleaning brush conducts transverse left-right dust sweeping operation on the inner walls of a plurality of ventilation grooves formed in the mounting frame for mounting the electric energy meter, and in the dust sweeping process, dust on the inner walls of the ventilation grooves is removed, so that dust on the inner walls of the ventilation grooves is removed, and the dust on the inner walls of the ventilation grooves is removed. The two longitudinal cleaning brushes brush all corners of the ventilation groove in a wave sweeping track in the ascending process, the transverse cleaning brush on the outer wall of the transverse air cooling fan can brush the ventilation groove from bottom to top in the longitudinal direction, and dust in the ventilation groove is further removed more evenly through vertical brushing.

The invention provides a PT ferromagnetic resonance overvoltage suppression system and method based on graded damping. The system comprises a secondary resonance elimination module, the secondary resonance elimination module comprises a three-stage damping branch circuit which is connected in series with an open triangle of a voltage transformer, the three-stage damping branch circuit comprises a first current-sensitive resonance eliminator, a second current-sensitive resonance eliminator and a fixed resistor which are connected in parallel, and a branch circuit of the first current-sensitive resonance eliminator is connected in series with a first switch; a branch of the second flow-sensitive resonance eliminator is connected in series with a second switch, and a branch of the fixed resistor is connected in series with a third switch; the fan is used for carrying out air cooling on the first flow-sensitive resonance eliminator, the second flow-sensitive resonance eliminator and the fixed resistor; and the control module is used for controlling on or off of the first switch, the second switch and the third switch. Resonance early recognition is achieved through transient energy comprehensive criteria, three-level damping dynamic switching and fan intelligent temperature control are combined, and the three core problems of response lag, insufficient heat dissipation and weak self-adaption in ferromagnetic resonance suppression are solved.

The invention discloses an efficient cooling driving motor for an electric industrial vehicle, which comprises a motor main body, the motor main body comprises a stator and a rotor, and the end part of a non-bearing end of a rotor rotating shaft is of a hollow structure; and the water cooling assembly comprises a rotating block, a liquid inlet pipe and a liquid outlet ring, a plurality of cooling pipes are arranged on the outer side of the rotating block in the circumferential direction, and one end of each cooling pipe is connected with the liquid outlet ring in a penetrating mode through the two sides of the stator. Cooling liquid firstly flows through the rotating hollow rotating shaft of the rotor to directly absorb eddy-current loss of a rotor core and winding heat, then is shunted to the cooling pipes on two sides of the stator through the rotating block, and absorbs heat of the stator core and the winding through the stator position, so that synchronous water cooling of a rotating part and a static part is realized; and an internal water cooling-external air cooling three-dimensional heat dissipation network is formed by matching with the air cooling assembly, so that the internal temperature difference of the motor is greatly reduced, performance degradation caused by local overheating is effectively inhibited, and a core guarantee is provided for high-power-density application and long-service-life operation of the motor.

This application belongs to the technical field of air compressor safety, and particularly relates to a safety operation method for a piston air compressor. A safety operation method for a piston air compressor includes the following steps: S1, a flexible baffle is provided on an air-cooled plate cooler connected to the piston air compressor; S2, temperature data of each cooling unit at the current moment is obtained, and at the same time, the temperature change trend and the opening area change trend of the air outlet end of each cooling unit are obtained; S3, according to the pressure dew point temperature of the air outlet end of each cooling unit at the current moment, the opening area of each cooling unit at the current moment is adjusted to change the coverage degree of the flexible baffle on the air-cooled flow channels of each cooling unit at the next moment, so that the temperature of the air outlet end of each cooling unit is always above the corresponding pressure dew point temperature. This application can尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。 It should be noted that there is an unclear part in the original Chinese text "尽量避免活塞式空压机在运行的过程中发生冰堵或油乳化,保证活塞式空压机的安全运行。" which may need to be further clarified for a more accurate translation. The above translation is based on the best understanding of the current text.

The invention discloses a heat dissipation system and method for a sealed motor, and belongs to the technical field of sealed motors and transmission devices. The system comprises a motor unit, a multistage gearbox unit, a liquid cooling unit, an air cooling unit, a plurality of groups of sensors and a controller. The liquid cooling unit is integrated in the motor outer cover, and the air cooling unit is installed on the motor radiating ribs. According to the method, the total heating power and the variable target temperature of the system are dynamically calculated by collecting the current, the temperature and the rotating speed of the motor and gear signals of the gear box in real time, the required heat dissipation power is calculated in real time through a nonlinear function based on the temperature difference, and then heat dissipation resources of the air cooling unit and the liquid cooling unit are cooperatively distributed with the optimal energy efficiency ratio. According to the invention, feedforward prediction temperature control of dynamic working conditions is realized, the problems of heat dissipation lag, low energy efficiency and overheating risk of the sealed motor under complex load and multi-gear operation are solved, and the reliability, adaptability and overall energy efficiency of the system are significantly improved.

The invention provides a linear motor temperature control method and system based on air cooling heat dissipation, and relates to the technical field of motor temperature control, and the method comprises the steps: dividing a linear motor into a plurality of temperature control regions, and configuring an independent control execution unit for each region; predicting a temperature trend based on the LSTM; a multi-agent reinforcement learning control network is constructed, and each agent calculates an optimal control strategy based on deep Q learning; generating an overall airflow regulation strategy through a collaborative optimization algorithm; dynamically adjusting the opening of the electric adjusting valve and the rotating speed of the fan. Accurate temperature control is achieved, the heat dissipation efficiency is improved, and the service life of equipment is prolonged.

The invention belongs to the technical field of data processing, and particularly relates to a real-time control simulation system for air cooling island freezing prevention, and the system obtains a temperature field, a back pressure field and a fan operation state in a target area in real time through a monitoring module; the analysis module constructs a space-time distribution field of the temperature and the back pressure according to the temperature and the back pressure, and further fuses the space-time distribution field into a temperature-back pressure causal distribution mapping field; the inversion module carries out fault type discrimination based on the mapping field and a back pressure abnormity identification model, and generates an inversion mapping space containing an early warning level, starting time, air volume, air speed and air direction in combination with a fan operation inversion function; the response simulation module performs real-time anti-freezing control by applying a strengthening adjustment strategy and a simulation algorithm, so that the temperature and the back pressure are maintained in a standard interval; according to the invention, intelligent identification, accurate prediction and self-adaptive regulation and control of the air cooling island freezing injury risk are realized, and the accuracy of anti-freezing control and the reliability of system operation are effectively improved.

The embodiment of the invention relates to the technical field of steam turbine cold end optimization, in particular to an air cooling unit spray cooling cooperative control method and device, equipment and a medium. And the spraying cooling amount needed for achieving the target back pressure is calculated based on a thermodynamic characteristic model, so that a feedforward spraying water amount control scheme is formulated, the predicted working condition and the spraying scheme are comprehensively considered, the rotating speed of the air cooling fan is optimized and set through a decision optimization model, and cooperative control over the fan and a spraying system is achieved. By means of the method, advanced and accurate control over the spraying water amount and the rotating speed of the draught fan is achieved. The collaborative optimization strategy ensures that the system can operate in an economic mode under different working conditions, that is to say, on the premise of meeting the backpressure constraint, the overall economic operation level of the system is remarkably improved while safe and efficient operation of a unit is ensured by weighing the fan power consumption cost and the spraying water consumption cost.

The invention discloses a laser die-cutting machine capable of cutting an elastic film, and relates to the field of laser die-cutting machines, the laser die-cutting machine comprises a case, a first moving table capable of transversely and vertically moving and a second moving table capable of longitudinally moving are arranged in the case, a mounting frame is fixed on the first moving table, and a laser cutting head is arranged at the bottom end of the mounting frame; a fixing base coaxial with the laser cutting head is arranged at the bottom end of the mounting frame, and the bottom end of the fixing base is connected with an air blowing box and an air suction box which are oppositely arranged. When the stainless steel plate with the single face coated with the film is cut, high-power laser can be directly used for cutting the stainless steel plate at a time, high-speed airflow synchronously blown out by the air cooling mechanism can effectively restrain heat shrinkage of the elastic film caused by high temperature, material deformation and irregular edge cutting are avoided, the machining efficiency is remarkably improved while the high-power laser penetrates through the stainless steel plate, and the production cost is reduced. Repeated positioning errors and operation cost of equipment are reduced, and integrated efficient precision machining of the film-coated metal plate is achieved.

The invention belongs to the technical field of titanium and titanium alloy machining, and relates to a Ti65 alloy large-specification bar capable of improving the flaw detection level and a forging technology of the Ti65 alloy large-specification bar. The forging technology comprises the following steps that a Ti65 cast ingot is heated to 1150-1200 DEG C, and air cooling is conducted after one-heating-time, one-upsetting-one-drawing cogging is conducted; the blank is heated to a beta-phase region, and air cooling is conducted after one-heating-time one-upsetting-one-drawing forging is conducted; the blank is heated to an alpha + beta phase region for heat preservation and then is subjected to oil cooling; the blank is heated to an alpha + beta phase region to be subjected to one-heating-number two-upsetting and two-drawing forging, and then air cooling is conducted; the blank is heated to a beta-phase region for heat preservation and then is subjected to oil cooling; the blank is heated to an alpha + beta phase region to be subjected to four to six heating times, one-upsetting and one-drawing forging, and then air cooling is conducted; and heating the blank to an alpha + beta phase region for forming. The Ti65 alloy bar with the diameter of 300-450 mm prepared by the process has a uniform equiaxed structure and a good flaw detection level, and the clutter level of manual semi-sonic path distance flaw detection by adopting a flat-bottomed hole with the diameter of phi 1.2 in the diameter direction is lower than-9 db.

The invention provides a propelling device and an aircraft. The propelling device comprises a motor, a movable blade assembly, a stationary blade frame assembly and a duct cylinder with an air duct, and the motor is installed in the air duct through the stationary blade frame assembly; the movable blade assembly is installed on a driving shaft of the motor, and the movable blade assembly is used for generating propulsive force when driven by the motor to rotate and guiding airflow to conduct air cooling heat dissipation on the motor. When the movable blade assemblies rotate, the aircraft can be jointly propelled to run through the pushing force generated by rotation of the movable blade assemblies and the pushing force generated by lift augmentation of the duct cylinders; the air flow entering the air duct can flow through the motor in an accelerated manner in the axial direction of the driving shaft of the motor, so that air-cooled heat dissipation of the motor is realized, and the heat dissipation efficiency of the motor is improved; and the structure is simple, and the weight is reduced.

The invention discloses a control method and system for intelligent matching of the fan frequency and the roller way speed of a high-speed wire air cooling roller way, and relates to the technical field of rolled steel cooling. The method comprises the following steps: designing eight subsystems: a finished product coil head and middle-rear section fan frequency optimization system, a roller way crawling frequency optimization system, an air cooling roller way global acceleration and gradient connection speed system, a fan-roller way speed interval matching correction system, an interval temperature drop quantitative identification system and an interval optimal frequency-speed system; segmented frequency slope control, accurate recognition of the crawling state, rolling line linkage speed increasing, temperature drop difference value correction and double-variable optimal control are achieved. The problems of scattered coil blowing, uneven cooling, high energy consumption and unstable quality caused by existing fixed parameter control are solved, it can be guaranteed that finished product coils are cooled evenly, the scattered coil distance is reasonable, the performance stability is improved, meanwhile, power consumption is saved, the production cost of ton steel is reduced, and the device is suitable for the double-high-wire finished product scattered coil cooling and conveying procedure of a steel rolling mill.

A smoothing appliance has a portable housing including a handle and a smoothing head connected to the handle. The portable housing further includes:a steam circuit including a steam generator; andan air intake circuit extending between at least one intake port and at least one air intake vent. The portable housing includes a fan configured to be rotated by a motor, both disposed in the smoothing head. Tthe smoothing head includes a treatment side which includes at least one steam vent connected to the steam circuit and at least one intake port forming the intake air inlet of the air intake circuit. Tthe smoothing head includes an air cooling circuit for the motor extending between at least one cooling air inlet port and at least one cooling air vent disposed in the smoothing head, the cooling circuit being separate and distinct from the air intake circuit.

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to a storage and protection unmanned aerial vehicle battery cooling device which comprises an unmanned aerial vehicle body, a battery main body, a battery jar, a hollowed-out frame, an air guide plate and a servo motor, the battery jar penetrates through the surface of the unmanned aerial vehicle body, the bottom of the battery jar supports the battery main body through the hollowed-out frame to achieve bottom air cooling, and a front heat dissipation window corresponds to the front surface of the battery main body. The cooling air duct is arranged on the rear side of the battery groove and penetrates through the side air opening, an air guide plate is rotationally installed in the side air opening and connected with a shifting plate through an extension rod, the shifting plate synchronously adjusts the angle of the air guide plate through a double-threaded rod driven by a servo motor, machine arms and propellers are arranged at the four corners of the unmanned aerial vehicle body to provide flight power, and a storage bin and supporting legs are arranged at the bottom of the unmanned aerial vehicle body. The storage bin is used for storing agricultural articles, the supporting legs guarantee the stability during shutdown, and the whole device realizes uniform cooling of multiple surfaces of the battery.

The invention belongs to the field of direct air cooling unit backpressure optimization and control, particularly relates to a direct air cooling unit backpressure optimization and control method based on digital twinning, and aims to realize real-time optimization and accurate control of backpressure under variable working conditions. The method comprises the steps that operation parameters of the direct air cooling unit are collected in real time, and standardized operation data are obtained after data preprocessing; and constructing a digital twinborn model containing a dynoNet parameter identification model on the basis of a mechanism modeling and data-driven fusion mode. And simulating the back pressure of the unit by using the standardized operation data, and monitoring an error between a simulated back pressure value and an actually measured back pressure value. And when the error exceeds a set threshold value, an online parameter identification and model correction mechanism is triggered. And utilizing the corrected digital twinborn model to carry out optimization solution by taking comprehensive economic benefit maximization as a target, and determining an optimal backpressure set value under the current working condition. And the optimal backpressure set value is used as a tracking target of model prediction control, and a model prediction control algorithm is adopted to realize optimal adjustment of the backpressure.

The application relates to the technical field of permanent magnet motors, and discloses a heat dissipation type permanent magnet motor which comprises a machine body, a cooling cover for heat dissipation of the permanent magnet motor is fixedly connected to the outside of the machine body, and a purification shell for processing flowing air is fixedly connected to the outside of the cooling cover. The heat generated by the machine body during operation can be directly conducted and dissipated to air through the heat conduction strip. The memory metal strip senses the emergency overheating of the machine body during operation, so that the bending plate moves to trigger the contact to complete the temperature sensing of the machine body. The pulp plate runs to guide the external air into the cooling channel inside the heat conduction strip to perform air cooling heat dissipation, so that the permanent magnet motor adopts the combination mode of the heat dissipation fin and the emergency air cooling heat dissipation, the heat dissipation effect of the permanent magnet motor is improved, the filter plate filters and removes dust in the flowing air, the screw rod moves to make the nozzle move to perform high-pressure air blowing on the dust filtered and gathered in the filter plate, and the air dust filtered by the air cooling heat dissipation of the permanent magnet motor is automatically cleaned.

The utility model relates to the field of cases, in particular to a case with a quick-change air cooling module, which comprises a case body internally provided with a mounting cavity; the heat dissipation flow channel is arranged in the box body, is provided with an air inlet and an air outlet, and comprises a fan module mounting cavity, and a heat dissipation cavity opening allowing a fan module to be inserted and pulled is formed in the side wall of the fan module mounting cavity; the fan module is assembled in the fan module mounting cavity in a pluggable mode and comprises a mounting frame and a fan fixedly connected to the mounting frame, an exhaust port is formed in the side wall of the mounting frame, and the exhaust port communicates with the downstream of the heat dissipation flow channel; the problems that an existing fan is tedious in maintenance process, long in downtime and the like are solved in a targeted mode, convenience, high efficiency, safety and universality of fan maintenance are achieved through tool-free disassembly and assembly, the maintenance time is shortened, cost and safety risks are reduced, and the strict requirements of aviation or military equipment for equipment operation and maintenance convenience and operation reliability are met.