195results about How to "Speed up circulation" patented technology

The utility model relates to the technical field of bus ducts, and discloses a bus duct with a heat dissipation structure, which comprises a bus duct body, a top plate positioned at the top of the bus duct body and connecting modules positioned on two sides of the bus duct body, and one side, far away from the connecting modules, of the bus duct body is provided with a flow guide assembly in sliding connection with a chute. A through hole is formed in the side, close to the flow guide assembly, of the bus duct body, and a heat dissipation assembly is arranged on the side, away from the bus duct body, of the through hole. According to the bus duct with the heat dissipation structure, the sealing rubber strips are rapidly installed in the grooves, then the heat conduction plates and the through holes are arranged in an inserted connection mode, expansion buckles and positioning holes are matched to serve as matching components, rapid installation of the heat conduction plates and the bus duct body can be achieved, and then locking blocks and the expansion buckles serve as the matching components, so that the heat dissipation structure is formed. The heat conduction plate and the bus duct body can be quickly fixed, and the heat conduction plate and the bus duct body can be quickly disassembled when the heat dissipation assembly is cleaned in the later period.

The application discloses a heat dissipation reinforced movable television background wall, which comprises a base wall, an outer frame, an inner wall, a television and a heat dissipation assembly. First and second hollow rotating shafts are arranged on opposite sides of the outer frame, the first hollow rotating shaft is rotatably installed on the base wall, and the second rotating shaft is connected with the output end of a driving motor. Third and fourth hollow rotating shafts are arranged on opposite sides of the inner wall, the third hollow rotating shaft is arranged in the first hollow rotating shaft, the third and first hollow rotating shafts are coaxially arranged, and the fourth rotating shaft is rotatably installed on the outer frame. A temperature and humidity sensor is arranged on the bottom surface of the installation groove, and the temperature and humidity sensor is arranged on the back of the television. A fan is arranged in the side frame of the outer frame. Compared with the prior art, the application can effectively prevent the temperature of the television from being too high and timely realize heat dissipation of the television.

The utility model relates to the technical field of traditional Chinese medicinal material planting facilities, concretely is the sunshade and insect prevention integrated shed frame of traditional Chinese medicinal material, including the shed frame body, the both sides of shed frame body all install a plurality of side components, the side component includes the fixed mounting frame with the shed frame body, installs the blowing assembly in the mounting frame, and the electric shock net is fixed with in the blowing assembly outside in the mounting frame inside, and a plurality of lighting lamp boards are installed on the mounting frame inner wall, the top of shed frame body is equipped with a top sunshade component. The utility model discloses a side component including blowing assembly, electric shock net and lighting lamp board is arranged on the both sides of shed frame body, and the sunshade component and drive mechanism of folding top are combined, and the integration design of sunshade and insect prevention function is realized. Side component can utilize lighting lamp board to attract pest, then kill pest through electric shock net, and blowing assembly can promote the air circulation in the shed simultaneously, and top sunshade component can adjust the sunshade area according to the demand.

This invention relates to the field of semi-solid-state battery technology, and more particularly to a free radical in-situ polymerization semi-solid-state battery, comprising a protective housing, a top assembly on the top of the protective housing, and a protective cover on the top of the protective cover, with an installation pipe fixedly connected to the top of the protective cover. Through the coordinated use of the protective cover, a fan body, a temperature detector, a relay, a partition plate, and side guards, the fan body, located within the installation pipe, is activated by the relay when the temperature detector detects that the internal temperature exceeds a threshold, accelerating airflow and preventing heat accumulation inside the protective housing. The partition plate more effectively protects the internal batteries and also provides insulation to a certain extent, preventing heat interference between adjacent batteries. The side guards further expand the heat dissipation area, providing strong support for the stable operation of the battery.

The utility model discloses a motor end cover structure, which relates to the technical field of motor end covers and comprises a motor end cover main body, a plurality of fixing plates distributed in an annular array are mounted at the rear part of the outer surface of the motor end cover main body, and mounting holes are formed in the plurality of fixing plates. The upper portion and the lower portion of the front inner wall of the motor end cover body are each provided with a plurality of heat dissipation holes, the heat dissipation holes extend to the front side of the motor end cover body, the upper portion and the lower portion of the front end of the motor end cover body are each provided with a screen, and the left portion and the right portion of the front end of the motor end cover body are jointly provided with a U-shaped frame. And a connecting shaft is movably arranged in the U-shaped frame in a sleeving manner. According to the utility model, the baffle plate, the brush and the connecting shaft cooperate with each other to block the front of the screen, so that dust, metal chips or other impurities are prevented from passing through the heat dissipation holes to pollute the interior of the motor, and the performance and normal use of the motor are ensured.

The utility model discloses a VOCs organic waste gas treatment device which comprises a carbon box, clamping seats are fixedly connected to the two sides of the inner side face of the carbon box, activated carbon adsorption plates are clamped in the clamping seats, and a conveying pipe is fixedly connected to the bottom of the inner side face of the carbon box. According to the VOCs organic waste gas treatment device, an activated carbon adsorption plate, a fresh air heat exchanger, a fan and a combustion furnace are arranged, the activated carbon adsorption plate adsorbs organic components in waste gas into micropores of activated carbon for concentration, filtered clean gas reaches the standard and is discharged, and fresh air is heated to a preset value through the fresh air heat exchanger and then enters a carbon box through a second air inlet pipe; organic waste gas subjected to desorption treatment is purged, meanwhile, VOCs organic waste gas is conveyed into a combustion furnace through a gas collecting pipe and a gas collecting hood through a draught fan, the VOCs organic waste gas is decomposed into carbon dioxide and water vapor after being subjected to catalytic combustion, and finally the VOCs organic waste gas is conveyed to a fresh air heat exchanger through a connecting pipe to be discharged after being subjected to heat exchange and cooling and reaching the standard, so that an activated carbon adsorption plate can be recycled; and the use cost is reduced.

This utility model discloses a coffee bean stirring mechanism and a coffee roaster. The coffee bean stirring mechanism includes a roasting tray, a stirring motor, and a stirring assembly. A connecting seat is connected to a connecting rod, and stirring blades are distributed on the connecting rod. The stirring blades have radially arranged ventilation holes, and the stirring groove wall of the roasting tray has ventilation holes. The stirring blades of this application have multiple ventilation holes arranged radially along the center. During rotation, these holes guide hot airflow through the coffee bean layer, preventing localized heat accumulation. Simultaneously, the ventilation holes reduce the rotational resistance of the stirring blades, allowing the coffee beans to form a three-dimensional tumbling trajectory under the combined action of airflow and mechanical stirring, significantly improving the uniformity of heating.

The utility model discloses a rust-proof anchor windlass which comprises an engine, a speed reducer and an anchor chain wheel. The engine and the speed reducer are connected through the coupler, and the speed reducer and the cable lifter are connected through the gearbox. A protective shell is arranged on the periphery of the cable lifter and composed of side plates, a top cover and a bottom plate. An air inlet channel extends from the right side plate, and a fan is mounted in the air inlet channel; vent holes are formed in the tops of the side plates; the top cover is hinged to the side plates through hinges, and baffles extend downwards from the periphery of the top cover. A hole is formed in the rear side plate, and an anchor chain is arranged in the hole and connected with an anchor chain wheel. Through the synergistic effect of the engine, the speed reducer, the gear box and the cable lifter, dragging, anchor weighing and anchor dropping operations of an anchor chain are achieved; meanwhile, through the design of the protective shell, the cable lifter and the anchor chain are effectively prevented from being corroded by the external environment, particularly rusting is prevented, the service life of the cablelifter is prolonged, and the reliability of the cablelifter is improved.

The invention provides a temperature control device and method for AR glasses and the AR glasses, and the device comprises a temperature control module, a temperature detection module, a controller and a wearing detection module, and achieves the intelligent regulation and control of the face environment temperature in the wearing process of the AR glasses. The temperature control module is integrated with the piezoelectric fan and arranged on the inner side of the connecting position of the glasses legs and the lenses, a rhombic blowing area covering the whole face can be formed by matching with the air outlet in the specific direction, circulation of air around the face is effectively accelerated, and the sensible temperature is reduced. The wearing detection module can accurately recognize the wearing state of the user, and invalid operation of the device in a non-wearing state is avoided; the temperature detection module collects the face environment temperature in real time, and the controller matches the temperature control grade and controls the temperature control module to start and stop and adjust the air volume according to the comparison result of temperature data and a preset threshold value. The whole device is simple in structure and reasonable in design, the original appearance and wearing comfort of the AR glasses are not affected, the face environment temperature can be accurately adjusted, and the use experience of a user is remarkably improved.

The utility model discloses a combined feeder cabinet relates to the technical field of electric power equipment, the utility model discloses a feeder cabinet body, heat dissipation box and protective door still include: the one side of heat dissipation box upper end is provided with the chute, the inside slide of chute is connected with the slide, and the side end of slide is provided with adjusting mechanism, and the inside of heat dissipation box is provided with heat dissipation mechanism, and the inside of feeder cabinet body is provided with slide rod, and the outer wall of slide rod is equipped with the sleeve, and the inside fixed connection of feeder cabinet body has the sliding block, and the upper end sliding connection of sliding block has the assembly plate. Install the connecting rod, when the temperature of feeder cabinet body inside is too high, start motor, make its below heat dissipation fan operation, utilize heat dissipation fan to ventilate feeder cabinet body inside, and cooperate with the air -flow of ventilation baffle can accelerate feeder cabinet body inside, accelerate the heat loss of feeder cabinet body inside, and set up the dust screen of heat dissipation box's lower end dustproof air that enters to feeder cabinet body.

This invention discloses an automatic safety inspection device for central air conditioning outdoor units, belonging to the field of air conditioning outdoor unit detection technology. It includes: a handheld support assembly comprising a support plate and a handheld lever fixed to the side wall of the support plate, with a display host fixedly mounted on the handheld lever; and an external insulation assembly comprising an insulation side plate fixedly mounted on the support plate, with an external insulation cover fixedly connected to the side of the insulation side plate away from the handheld lever, the side of the external insulation cover away from the insulation side plate being open. By setting up the external insulation assembly, internal insulation assembly, and shrinkage adjustment assembly, when using this safety inspection device for inspection, the vent is sealed to form a closed insulation cavity in low-temperature environments, and the vent is opened to allow air circulation, reducing the internal temperature. This reduces the temperature drift of the Hall current sensor due to the influence of the operating environment temperature, improves detection accuracy, and thus helps to improve the accuracy of leakage safety detection of central air conditioning outdoor units.

This invention discloses a catalytic reactive distillation unit, apparatus, and method. The catalytic reactive distillation unit includes: a reaction mass transfer channel, the upper end of which receives low-temperature liquid-phase reactants flowing downwards, and the lower end of which receives high-temperature gas phase flowing upwards; the reaction mass transfer channel contains a catalyst layer and a packing layer, with the catalyst layer positioned above the packing layer, and a first space between them; and a rising gas bypass, located outside the reaction mass transfer channel and connected to the first space. The liquid-phase products after the catalytic reaction merge with the high-temperature gas phase in the packing layer and undergo gas-liquid mass transfer. The rising gas phase after mass transfer carries the light components from the liquid-phase products into the rising gas bypass, completing mass transfer separation. This invention, through the setting of the rising gas bypass, not only increases the gas phase flow rate and effectively reduces the pressure drop within the reaction mass transfer channel, but also effectively solves the space occupation problem of the equipment. This invention can clean the blockage of the catalyst filter without additional power and can realize online replacement of the catalyst and / or packing.

The invention discloses a transformer capable of reducing loss, and relates to the technical field of transformers, the transformer comprises a shell and an adjusting assembly, a guide plate is arranged at the upper part in the shell, a housing is arranged in the middle of the guide plate, the adjusting assembly is arranged at the inner side of the housing, the adjusting assembly comprises a shaft rod, and the shaft rod is arranged at the inner side of the housing; an adjusting cavity is formed in the lower portion of the shaft rod. When the device is used, the device can be automatically adjusted according to the temperature change in the transformer, so that when the temperature rises, the circulating flowing speed of oil liquid is increased, heat dissipation is accelerated, the heat dissipation efficiency of the device is positively correlated to be matched with the temperature change of the device, it is guaranteed that the device can dissipate heat in time, and the service life of the device is prolonged. According to the device, the temperature of the oil liquid is increased, additional loss increase caused by too high temperature is avoided, oil sludge mingled in the oil liquid can be separated and removed when the oil liquid is circulated, and the situation that the oil sludge adheres to the device, the heat dissipation performance of the device is reduced or the additional loss of the device is increased is avoided.

The invention relates to the technical field of glass substrates, and discloses an LED display screen based on a glass substrate and a preparation method thereof.The LED display screen comprises a heat dissipation box, the heat dissipation box is fixedly connected to the rear side of a mounting frame, the left side and the right side of the heat dissipation box communicate with first heat dissipation plates, and a motor is fixedly connected to the top of each first heat dissipation plate; the output end of the motor penetrates through the first heat dissipation plate and is fixedly connected with a first gear, the top of the inner side of the heat dissipation box is rotationally connected with a plurality of second gears, the first gear and the second gears are connected in a meshed mode, and the bottom of the first gear is fixedly connected with an air plate. After a motor is started, a first gear rotates along with the motor and drives an air plate to rotate, airflow formed by rotation of the air plate is used for dissipating heat of the device, meanwhile, the first gear drives a second gear and a reciprocating rod to rotate through the meshing effect, a guide plate is promoted to move up and down along a mounting frame, and therefore the liquidity and the mixing degree of cooling liquid in the frame are enhanced; and the heat dissipation effect of the device is further improved.

The invention discloses a theme style sharing method and device and a server, and relates to the technical field of computers.The method comprises the steps that a first terminal adjusts configuration parameters of a local artificial intelligence model in response to personalized configuration operation on theme styles, and style configuration parameters are obtained; wherein the artificial intelligence model generates a target digital asset of a personalized theme style corresponding to the personalized configuration operation under the condition that the artificial intelligence model runs based on the style configuration parameters; performing structured processing on the style configuration parameters to generate a style configuration file; and sharing the style configuration file to a second terminal to enable the second terminal to restore the style configuration parameters based on the style configuration file, and generating a target digital asset based on a local artificial intelligence model and the style configuration parameters of the second terminal to reproduce the personalized theme style. According to the method and the device, the user can be supported to perform personalized creation on the theme style and perform efficient sharing on the creation result, and meanwhile, the shared theme style can be ensured to be accurately reproduced at the receiving end.

The utility model discloses a kind of corrosion-resistant stainless steel forgings, including stainless steel forging body, the tray of being placed in the lower end of stainless steel forging body, the protective shell of being placed in the upper end of tray, the first groove of being opened in the upper end of protective shell, the outer protection cylinder of being fixedly connected in the bottom surface of the inner wall of first groove, multiple limit cylinders being fixedly connected in the bottom surface of the inner wall of first groove, multiple limit posts being fixedly connected in the upper end of tray, rubber cylinder and multiple through holes being opened in the lower end of protective shell and being placed in the inner wall of outer protection cylinder, the upper end of stainless steel forging body is provided with the protection mechanism for protecting stainless steel forging body, handle is fixedly connected in the upper end of protection mechanism;The upper end of stainless steel forging body is opened with cylindrical groove, rubber cylinder inner wall and stainless steel forging body side wall are attached;Limit post upper end passes through through hole and extends to the inner wall of limit cylinder. The utility model has the advantages of good moisture-proof effect, anti-collision and protection mechanism can be quickly disassembled.

The utility model discloses a pearl orchid tree Qianlong tribute tea is with dehydration device for making, including base, the top of base is equipped with dehydration tank, the inside of dehydration tank is equipped with the mechanism of turning over that turns over tea leaf, and the mechanism of turning over includes the same placement bucket fixed in the both ends of dehydration tank inner wall, and the inner wall one end of is fixed with fixed plate, and the one end swing joint of fixed plate has the swivel lever, and the other end swing joint of swivel lever and placement bucket's inner wall other end, and the outer wall fixed of swivel lever has a plurality of fixed axle, and the outer wall of a plurality of fixed axle all fixed has a plurality of silica gel turning over shovel, and one end of dehydration tank is installed with speed -reducing motor, and the output shaft of speed -reducing motor and swivel lever one end fixed connection. The utility model has realized the effect of pearl orchid tree Qianlong tribute tea to heat dehydration sufficiently, prevents the accumulation of tea leaf immobile and influences dehydration efficiency, has improved the efficiency of pearl orchid tree Qianlong tribute tea dehydration processing to the air circulation, and has helped betterly taken away moisture.

The utility model discloses a built -in quick dismouting battery suitable for exploring unmanned plane, including polymer lithium battery battery group, battery shell, battery shell cover plate no.

The utility model discloses a cervical vertebra deep sleep traction pillow, including pillow body, be provided with head support area on the pillow body, the pillow body front is provided with neck support area, the head support area front both sides are provided with the lateral sleep area, and the neck support area both sides are provided with the shoulder department adhesion area, the lateral sleep area bottom is provided with the arm placement area, the head support area inboard is provided with the hollow air -permeable guide hole, the head support area rear is provided with the auxiliary area, the utility model: through the special design of head support area, lateral sleep area, neck support area, shoulder department adhesion area etc. each area makes it can be closely combined with human head, neck, shoulder part etc. position, satisfies the demand of different body shape and sleeping posture crowd, provides effective support for cervical vertebra, reduces the cervical vertebra soreness, stiff neck etc. situation that appears when the user sleeps, and hollow air -permeable guide hole can promote air circulation, improves the air -permeable performance of pillow.

This utility model relates to a quick-assembly and disassembly device, specifically a safety protection device that allows for quick assembly and disassembly. It includes a protective cover with mounting plates symmetrically arranged at both ends. A wire-binding component is fixedly mounted on the side wall of each mounting plate. The wire-binding component includes a first wire clamp and a second wire clamp with identical structural shapes. The two wire-binding components are detachably mounted at both ends of the protective cover. A gravity locking rod is fixedly mounted on the side wall of the first wire clamp, used to achieve gravity locking with both ends of the protective cover. Both the first and second wire clamps have wire outlets through which the wire bundle passes. The arrangement of a movable rod and magnets allows the wire outlets to open and close flexibly. When the movable rod rotates and the first and second magnets attract each other, the wire outlets close, preventing the wire bundle from coming out and protecting it from external interference. When it is necessary to organize the wire bundle, pulling the movable rod separates the magnets, opening the wire outlets for easy wire organization and threading.

The application discloses a double-layer bidirectional wind wheel, which comprises a body and a plurality of blades arranged on the body, wherein each blade is formed as an arc-shaped wind collecting surface, and each blade comprises a first blade and a second blade arranged along the height direction of the wind wheel, and the wind collecting surface of the first blade is arranged reversely to the wind collecting surface of the second blade. The application further discloses a double-layer bidirectional fan shell and a double-layer bidirectional fan comprising the wind wheel and the fan shell. The double-layer bidirectional wind wheel, the fan shell and the fan of the application can realize bidirectional air outlet, and the air outlet is uniform and pressure balanced. Meanwhile, the wind energy loss is small, and the efficiency is high.

The utility model relates to the technical field of transformers, in particular to an efficient transformer heat dissipation device which comprises a transformer body, light steel keels, fastening screws, fixing grooves, abutting plates, mounting grooves, mounting plates and threaded grooves. Two sets of light steel keels are symmetrically installed on the two sides of the lower surface of the transformer body, the rear ends of the light steel keels are fixedly connected with abutting plates used for fixing the transformer body, fixing grooves are formed in the front ends of the upper surfaces of the light steel keels, and installation grooves are formed in the centers in the light steel keels. According to the transformer, the transformer body and the heat dissipation structure which can be installed separately are arranged, rapid disassembly and assembly are achieved through the fixing grooves, the threaded grooves, fastening screws and other assemblies, installation and maintenance of equipment are greatly facilitated, and the transformer is convenient to install and maintain. By installing the fan structure, air circulation is actively promoted, the heat dissipation effect is enhanced, meanwhile, the air exchange efficiency is improved through the design of the ventilation grooves, and the temperature can be reduced more effectively.

The utility model relates to mobile power supply technical field especially relates to a wireless magnetic attraction charging frame of wireless magnetic attraction mobile power supply, including bottom plate, the chute of setting on the bottom plate, the first line body of setting in the bottom plate one end, the plug of setting on the first line body, the rotary disc of setting on the bottom plate, the shaft body of setting on the rotary disc and the magnetic attraction charging end of setting on the rotary disc. The utility model discloses through the setting of small fan and rotating lever, when mobile power supply is followed the direction of first support plate and magnetic attraction charging end butt -joint, small fan starts under the power connection of second line body simultaneously, and the heat dissipation of mobile power supply back on first support plate is carried out, improves the air flow of mobile power supply bottom, reduces the low charging efficiency and charging burden that magnetic attraction charging end appears, and rotating lever can adjust the angle of first support plate on rotary disc, indirectly improves the reserved space of mobile power supply bottom, and further improves the heat dissipation range and efficiency of small fan.

The utility model belongs to the technical field of leg maintenance, specifically discloses a calf partition support device, including the cylinder sock main part, be used for the upper pressure covering department of the gastrocnemius and be used for forming the support department of elastic gradient, the upper pressure covering department sets up in the back side middle upper portion of cylinder sock main part, the support department is arranged in the circumferential side of upper pressure covering department, a plurality of wrinkle structures that muscle muscle expansion contraction volume matches are arranged in the outside of support department of cylinder sock main part, when muscle protuberance, wrinkle unfolds along with it, reduce the pressure fluctuation rate when moving, ensure that the gastrocnemius area pressure reaches the standard rate, eliminate the risk of ankle joint overpressure simultaneously, and its wrinkle structure can be convenient ventilation, reduce skin humidity.

The utility model discloses a leather shoes with massage function, which comprises a leather shoe composed of a shoe sole and a shoe body, the upper surface of the shoe sole is fixedly connected with an insole, one end of the upper surface of the insole is fixedly connected with a plurality of first protrusions, the other end of the upper surface of the insole is fixedly connected with a second protrusion, one end of the shoe body is fixedly connected with a wear-resistant pad, and the lateral wall surface of the shoe body is provided with a plurality of air holes. The leather shoes with massage function can accelerate blood circulation and effectively improve foot swelling caused by long sitting or standing, relieve whole body fatigue, reduce fatigue during walking, and improve the comfort after wearing the leather shoes, which is beneficial to the wearing and working.

The invention belongs to the field of heart nursing, and particularly relates to a heart nursing device with a phototherapy function, the heart nursing device comprises a shell and a movable patch used for being pasted to a human body, the shell is connected with the movable patch through a magnetic attraction buckle, and an irradiation hole is formed in the movable patch; a plurality of irradiation windows are formed in the bottom of the shell and correspond to the irradiation holes; a power supply part, a driving plate and a lamp panel are arranged in the shell, a display window is formed in the top of the shell, a plurality of illuminators are arranged on the lamp panel and correspond to the illumination window, a charging pcb is arranged on the driving plate, the power supply part and the lamp panel are electrically connected with the driving plate, a connecting hole is formed in the side edge of the shell, and the connecting hole is communicated with the display window. A connecting piece is arranged at the position of the connecting hole and used for being connected with a hanging rope, the device can be fixed to the heart of the human body through the movable patch, light therapy is conducted on the heart through the irradiation window, and therefore the effects of assisting in treating cardiovascular and cerebrovascular diseases, promoting blood circulation, expanding blood vessels and avoiding symptom aggravation are achieved. And a connecting piece penetrates through a hanging rope to be worn on the human body, so that the anti-falling device is further prevented from falling off, and the anti-falling device is easy to carry.

The application relates to the technical field of medical devices, in particular to a multifunctional turning-over pad, which comprises a cotton pad, the bottom of the cotton pad is provided with a supporting assembly, and the left and right sides of the supporting assembly are provided with transfer assemblies; the multifunctional turning-over pad can be used for providing buffer support for the body of a patient through a honeycomb-shaped through-hole structure of a breathable soft pad, and the overall supporting force is enhanced through an arc-shaped edge structure made of a high-molecular composite material of a hard supporting plate. Meanwhile, a tension belt and a bending plate are matched with metal hooks of the transfer assemblies through positioning holes, so that the supporting assembly can dynamically adjust the body position of the patient in the transfer process through the elastic nylon woven structure of the tension belt, thereby achieving the effect that the device can safely transfer and fix the body position of the patient through the synergistic effect of the supporting assembly and the transfer assembly.

The utility model belongs to the technical field of child safety protection articles, and particularly relates to an adjustable child anti-collision head protector which comprises a cap body, the cap body comprises a main body supporting frame, a first cap circumference adjusting portion and a second cap circumference adjusting portion, and the main body supporting frame wraps the outer surface of the first cap circumference adjusting portion and the outer surface of the second cap circumference adjusting portion. The first cap circumference adjusting part and the second cap circumference adjusting part are connected through a telescopic elastic piece and used for adjusting the cap circumference of the cap body, protruding ribs are formed on the inner surfaces of the first cap circumference adjusting part and the second cap circumference adjusting part, and receding grooves corresponding to the protruding ribs are formed in the outer surfaces of the first cap circumference adjusting part and the second cap circumference adjusting part. Limitation of a traditional built-in supporting frame is broken through, the shock resistance is improved, meanwhile, the wearing comfort is remarkably improved through the three-dimensional ventilation design, and the child head protection device meets the requirement for multi-scene child head protection.

The utility model discloses a kind of high-efficiency cooling devices for power transformer, including shell, the upper end of the shell is movably connected with upper cover, iron core is movably connected in the shell, waterproof cooling fin of movable connection is sleeved on the iron core, multiple drain holes are opened in the shell, the lower end of the shell is fixedly connected with symmetrical base, the side of the shell is erected with the water reservoir of movable connection, vibrator is movably connected in the lower end of the water reservoir, the side of the twentieth cross is fixedly connected with first rotating rod, second fan blade of movable connection is sleeved on the first rotating rod, multiple three-phase windings are sleeved on the iron core, multiple data lines are fixedly connected on the iron core, multiple cooling pipes are fixedly connected and penetrated on the waterproof cooling fin. Through the above structure, accelerate the air circulation inside and outside shell, improve cooling efficiency, effectively guarantee the stable operation of transformer, prolong the service life of equipment.

The utility model relates to the technical field of aluminum ingot production, and provides an aluminum liquid filtering and purifying device for aluminum ingot production, which comprises a filtering mechanism and a heating assembly, the filtering mechanism comprises a tank body, a rotating structure and a plurality of filtering net cylinders, the tank body comprises a filtering tank and a liquid outlet tank which are connected up and down, the rotating structure is installed in the filtering tank, and the filtering net cylinders are erected on the rotating structure at intervals; a plurality of liquid outlets communicated with the liquid outlet tank are formed in the bottom of the rotating structure and correspond to the filter screen cylinder; the heating assembly comprises a mounting shell and an air heater, the mounting shell is clamped on the side wall of the filtering tank and extends into the filtering tank, the air heater is mounted in the mounting shell through a heat insulation disc, and a heat dissipation cavity is formed in the heat insulation disc; the utility model solves the problems that the molten aluminum splashes and is easy to cool and solidify, and has the advantages of simple structure and low manufacturing cost.