91results about How to "Realize air cooling" patented technology

The invention discloses a forced air cooling disc type motor. The motor comprises a front end cover, a casing and a rear end cover. A plurality of air outlet holes are evenly formed in the side wall of the casing. A front end cover is mounted at the left side end of the casing; a rear end cover is installed at the right side end of the casing, a rotor mechanism matched with the rear end cover is installed in the embedded middle of the casing, a stator mechanism matched with the rotor mechanism is installed on the edge of an inner cavity of the casing, and an inner cavity of the front end coveris rotationally connected with a planetary gear mechanism matched with the rotor mechanism through a second bearing. The magnetic steel interacts with the stator mechanism; the driving bracket is matched with the rotating shaft to rotate on the rear end cover; the fan mechanism is driven to work, external air is driven to enter the inner cavity of the machine shell through the first air inlet hole, the second air inlet hole and the first ventilation hole, the air is finally exhausted through the air outlet hole, heat generated by operation of the whole device can be taken away through flowingair, and air cooling of the whole device is achieved.

The invention provides a micro-channel heat dissipation system and a manufacturing method thereof. The manufacturing method of the micro-channel heat dissipation system comprises the following steps:forming a first signal interconnection system and a first micro-channel heat dissipation system on at least one passive device; forming a second signal interconnection system on a signal interconnection board; electrically connecting the first signal interconnection system with the second signal interconnection system; connecting at least one active chip to the passive device, enabling the activechip to be provided with a third signal interconnection system, and enabling the first signal interconnection system to electrically connected with the third signal interconnection system; forming a second micro-channel heat dissipation system on the signal interconnection plate; and communicating the first micro-channel heat dissipation system with the second micro-channel heat dissipation systemto form a heat dissipation fluid passage.

The invention provides a dual-purpose heat exchange multi-connection air conditioner device which comprises a compressor, a four-way valve, an indoor air cooled heat exchanger and an outdoor heat exchanging system. The outdoor heat exchanging system comprises a dual-purpose heat exchanger and a soil heat exchanger, wherein the soil heat exchanger is connected with the dual-purpose heat exchanger through an anti-freezing aqueous solution pipeline. The dual-purpose heat exchanger comprises a heat exchanger fan, fins, a refrigerating fluid channel and a water pump, an anti-freezing aqueous solution channel is formed in the refrigerating fluid channel, the soil heat exchanger is connected with the anti-freezing aqueous solution channel in series, the water pump is arranged on the anti-freezing aqueous solution pipeline, the fins are arranged on the outer side of the pipe wall of the refrigerating fluid channel in a welding mode, the heat exchanger fan is located above the refrigerating fluid channel, and outdoor air flows through the outer side pipe wall of the refrigerating fluid channel and the fins under the action of the suction force of the heat exchanger fan. By means of the dual-purpose heat exchange multi-connection air conditioner device, the building heat supplying problems that in winter, in part of northern areas, no heating municipal heat source exists and a low-temperature heat pump unit is too low in heating efficiency are solved, and the problem that soil heat supplying is invalid due to cold and hot load imbalance of a ground-source heat pump system in summer and winter is solved as well.

The invention relates to a sticky smoke dust removal system and method for actively regenerating pre-sprayed powder for a coke oven. The tops of bag type dust removers are provided with purified gas outlets; the purified gas outlets are connected with a dust removal fan, a muffler and a chimney in sequence; the lower parts of dust removal chambers of the bag type dust removers are provided with smoke dust inlets; the smoke dust inlets are connected with dust remover inlet pipelines; the dust remover inlet pipelines in front of the smoke dust inlets are provided with pre-sprayed powder inlets;the pre-sprayed powder inlets are connected with a powder exhaust nozzle of a powder active regeneration and jetting integrated device through powder conveying pipelines; the bottoms of ash bins of the bag type dust removers are provided with ash outlets; the ash outlets are connected with a mill dust inlet and a mill dust bin of the powder active regeneration and jetting integrated device respectively through a scraper. The sticky smoke dust removal system is used, through configuring the powder active regeneration and jetting integrated device, for realizing the automatic addition, the excess material outward delivery, the active pyrolysis and regeneration, the automatic spray coating, the output amount regulation and the recycling of the pre-sprayed powder in the dust removal system; the pre-sprayed powder does not need to be externally supplemented, and thus, the reliable and stable running of the dust removal system is ensured.

A longitudinal excitation type ultrasonic vibration milling cutter handle device comprises a conductive slip ring, an ultrasonic vibration milling transducer and a non-standard BT50 cutter handle, wherein the ultrasonic vibration milling transducer is connected with the non-standard BT50 cutter handle by the aid of a flange, and the conductive slip ring is fixed on the non-standard BT50 cutter handle by the aid of bolts finally. With the adoption of the device, the problem of heating of the ultrasonic vibration milling transducer is solved through air cooling, so that the ultrasonic vibration milling transducer can work stably for a long time; meanwhile, the device can be connected with a traditional milling machine and a traditional machining center conveniently, high-frequency ultrasonic vibration milling can be realized, and efficient, high-quality and high-precision milling can be performed on titanium alloys, composite materials, hard and brittle materials and the like. The device has the popularization and application value in the field of milling, particularly the technical field of aerospace engineering.

The invention discloses a new energy automobile water-cooled condenser which comprises a condenser body and a draught fan assembly. The condenser body comprises an outer pipe and an inner pipe which are fixedly installed in a sleeve manner, a refrigerant flowing channel is formed in an inner cavity of the inner pipe, a water flowing channel is formed in a space between the inner pipe and the outerpipe, the two ends of the outer pipe are provided with a water inlet connector and a water outlet connector, the two ends of the inner pipe are provided with a refrigerant inlet connector and a refrigerant outlet connector, the water inlet connector and the water outlet connector both communicate with the water flowing channel, the refrigerant inlet connector and the refrigerant outlet connectorboth communicate with the refrigerant flowing channel, heat conduction fins are arranged outside the outer pipe, and the draught fan assembly is arranged on one side of the condenser body to be used for blowing air to or sucking air from the condenser body. By means of the water-cooled condenser, the inner pipe and the outer pipe which are installed in the sleeve manner are used for achieving heatexchange between medium water and a high temperature refrigerant, heat in the high temperature refrigerant is conveniently recovered, utilization of thermal energy in a new energy automobile is morereasonable, and the aim of energy saving is achieved.

The invention relates to the field of a battery, in particular to a soft-package power battery module. The battery module comprises tray end covers, battery cores, single trays, tray side connection plates, battery core conductive connection sheets and tray connection buckles, wherein the plurality of single trays and the tray end covers at the two ends are assembled to form a tray main body by the tray side connection plates and the tray connection buckles, the battery cores are fixedly embedded between the tray end covers and the single trays as well as between every two adjacent single trays, the tray side connection plates are clamped and connected onto the side surface after the tray end covers and the single trays are assembled, the battery core conductive connection sheets comprise an upper layer and a lower layer, and electrodes of all battery cores are connected together by a plurality of bolts. The battery module is simple in structure and is convenient to install, and the subsequent maintenance and repair of battery modules are facilitated; and the key lies that the battery modules can be randomly combined without limitation of quantity in series / parallel connection, the design cost and the die cost are greatly reduced, product serialization and standardization are promoted, pressure can be timely relieved when the battery encounters an accident, and no potential risk is generated.

The invention relates to the technical field of frequency converter devices, and discloses a frequency converter capable of preventing high-temperature damage and a using method thereof. Through the arrangement of a temperature conduction wire and the like, when the temperature is higher than the rated temperature set by a central processing unit, the central processing unit starts a cooling system in time to cool the whole frequency converter to prevent the frequency converter from being burnt due to high temperature; by starting a motor, an input shaft rotates, then a driving gear rotates along with the input shaft, the driving gear drives a driven gear to rotate, and therefore a transmission shaft drives a transmission belt wheel to rotate, and by arranging a second transmission belt, the transmission shaft and a driven shaft drive two air-cooled heat dissipation fans to rotate correspondingly, and overall air-cooled cooling of the circuit bottom plate is achieved. And through the arrangement of a first transmission belt and the like, a cooling shaft drives a water tank heat dissipation fan to rotate, then the water tank heat dissipation fan conducts air cooling on cooling liquid, and therefore it is guaranteed that the cooling liquid keeps low temperature and is pumped back by a cooling pump to be recycled.

The invention relates to a wind power tower which belongs to the field of wind power generation equipment. The wind power tower comprises a tower body, ventilating pipes, an insulator and a wind damper, wherein a lightning arrester is arranged outside the tower body and is fixedly connected with the tower body by the insulator; the ventilating pipes are fixedly connected to the inner wall of the tower body, and a filter screen is arranged on one end of each ventilating pipe; an air supply pipe is connected with a lower flat partition, a fan A is arranged on the top end of the air supply pipe, an air outlet pipe is connected with an upper flat partition, a fan B is arranged on the top end of the air outlet pipe, the lower ends of the air outlet pipe and the air supply pipe are connected with the upper surface and the side surface of an operating room, respectively, and the insulator, a frequency converter, an electric reactor, a transformer and a temperature control device are arranged in the operating room; the wind damper is arranged at the upper part of the wind power tower, and the distance from the wind damper to the bottom of the wind power tower is about three quarters of the length of the wind power tower; lightning stroke can be led into underground by the lightning arrester so as to prevent the tower body and equipment in the tower body from being damaged; the ventilating pipes, the air supply pipe, the air outlet pipe, the fan A and the fan B are matched with one another so as to effectively dissipate heat and cool; the wind damper can be used to relieve earthquake shaking and rocking of the tower body due to strong wind.

The invention discloses an embedded outdoor power distribution cabinet which comprises a cabinet body and an underground water tank, and a water cooling mechanism and a heat absorption mechanism are arranged between the cabinet body and the underground water tank. The underground water tank is pre-buried under the ground, distilled water in the underground water tank is cooled in a low-temperatureenvironment, the pre-buried power distribution cabinet body is fixedly arranged on the underground water tank in a sleeving mode, and the heat conduction bearing plate capable of absorbing and conducting heat on high-temperature heat is arranged in the cabinet body so as to heat evaporated liquid in the sealing box; under the expansion effect, distilled water is driven to flow into a cooling cavity in the cabinet body, so that the cabinet body is subjected to water cooling; a driving impeller driven by directionally flowing distilled water to rotate is arranged in the cooling cavity, and high-speed rotation of a wind wheel is realized by utilizing a driving gear and a driven gear which are in meshed connection, so that air-cooling heat dissipation is realized; an ethylene glycol aqueous solution with evaporation and heat absorption properties is sprayed on the heat absorption plate, so that high-temperature heat in the cabinet body is rapidly consumed.

The invention discloses a new energy automobile battery pack damping device, and belongs to the technical field of battery pack damping. The new energy automobile battery pack damping device comprisesa box body, a protective cover and a damping shell; the protective cover and the damping shell are both fixedly connected in the box body, and the protective cover is located above the damping shell;the side wall of the box body is connected with a blowing fan through a supporting plate; one side of the side wall, far away from the blowing fan, of the box body is connected with an exhaust fan; the air outlet end of the blowing fan is connected with symmetrical conveying pipes through a guide pipe; one ends, far away from the blowing fan, of the conveying pipes run through the box body and the side wall of the protective cover in sequence and extend into the protective cover; and one ends, arranged in the protective cover, of the conveying pipes are connected with symmetric air injectionpipes. The battery pack is buffered and protected through a plurality of procedures, so that adverse effects caused by bumping to the battery pack in the running process of the new energy automobile are effectively reduced; and meanwhile, the battery pack can be effectively cooled.

The invention discloses a sheet bar class part hot blanking system with a multi-station pressure cold rotary disc and a sheet bar class part hot blanking process. The system comprises an induction heating device, a hot blanking die device and a multi-station pressure cold rotary disc device; the hot blanking die device comprises a male die and a female die which are used in cooperation, and the upper end face of the male die is tightly attached to a male die base plate; a plurality of evenly-distributed rubber springs are connected to the lower portion of a male die fixing plate, and a stripper plate is arranged at the lower portion of each rubber spring; a plurality of grooves corresponding to multiple unloading bolt positions are formed in a male die upper plane; and each groove is provided with an elastic ejection pin and a positioning pin. The multi-station pressure cold rotary disc is composed of a stepping motor, an upper pressure disc, a lower pressure disc, hydraulic ascendingand descending rod and an air spraying device. By means of the sheet bar class part hot blanking system and process, the part shaping accuracy is improved, the hardness and the abrasive resistance arehigh, the part production efficiency is improved, and the production cost is saved.

The invention discloses an inner flow-guiding vehicle body and a tricycle thereof. The inner flow-guiding vehicle body comprises a hood head, an instrument panel, an engine shield, a left flow-guiding plate and a right flow-guiding plate, wherein an air-inlet grille is arranged on the hood head; a front edge part of the instrument panel is fixed above the air-inlet grille of the hood head; the left flow-guiding plate and the right flow-guiding plate are correspondingly fixed on the left side or right side of the air-inlet grille of the hood head and the bottom surface of the instrument panel; and the front edge part of the engine shield is fixed on rear edge parts of the instrument panel, the left flow-guiding plate and the right flow-guiding plate. The inner flow-guiding vehicle body is mounted on the tricycle. The inner flow-guiding vehicle body and the tricycle thereof provided by the invention can guide the cooling air entering into the vehicle body through the air-inlet grille to an engine, so as to utilize the convection between the vehicle and the outside air during a driving process of the vehicle to perform air-cooling radiation on the engine, promote the radiating effect of the engine, improve the working environment of the engine, increase the dynamic performance of the engine and further greatly promote the use performance of the vehicle.

The invention relates to the field of electric appliance equipment, in particular to an efficient intelligent printer. According to the technical scheme, the efficient intelligent printer comprises an outer protection box and a base connected to the lower portion of the outer protection box; the outer protection box comprises an inner cavity; a printer body is arranged in the inner cavity; a rack is further included and provided with a heat radiation base plate; the outer protection box is connected with the rack through the heat radiation base plate; a display screen, a light supplementary lamp and induction devices are arranged on the heat radiation base plate; and the induction devices are used for detecting the surrounding environment, and the printer body is started when someone exists around. According to the efficient intelligent printer, communication is convenient, and printing is rapid; meanwhile, the outer protection box is arranged on the periphery of the printer body, so that the comprehensive performance such as insect prevention, filtering and heat radiation is improved; and the induction devices are included, and therefore the printer body can be controlled to be stopped and started.

The invention discloses a lithium battery cell with a good heat dissipation effect and a protection function in the technical field of lithium batteries. A cell body is arranged in an inner cavity ofa cell shell, a front baffle is arranged on the left side wall of the cell shell, a rear baffle is arranged on the right side wall of the cell shell, and two heat dissipation fans are installed on theinner wall of the front baffle. A heat dissipation aluminum plate is inserted between the cell bodies, the liquid cooling pipes are arranged on the surfaces of the two ends of the cell bodies and attached to the surfaces of the two ends of the cell bodies, buffer strips are embedded in the surface of the damping shell in a sliding mode, elastic buffer blocks are arranged on the side walls of thebuffer strips at equal intervals, two buffer columns are symmetrically arranged on the side walls of the other faces of the buffer strips, the buffer column is inserted to the cavity of a damping sleeve, and the other end of a damping spring is fixedly connected with the inner wall of thedamping sleeve. The advantages that the heat dissipation effect is good, the lithium battery cell can be protected, and the service life of the lithium battery cell is prolonged can be achieved.

The invention discloses a solid-state switch circuit suitable for a direct-current transformer, an air-cooled solid-state switch module and a fault protection system, and the solid-state switch circuit comprises an IGBT switch unit which is connected in series with a direct-current positive bus, a first fly-wheel diode, a discharge resistor and a direct-current capacitor which are connected in parallel between the direct-current positive bus and a direct-current negative bus, and a controller; the controller controls the on-off state of the IGBT switch unit according to a received external instruction signal or a line operation state signal, and can control the IGBT switch unit to disconnect the line when the line where the solid-state switch is located breaks down. After the solid-state switch is shut down, the fly-wheel diode can carry out freewheeling on short-circuit current, the discharging resistor carries out discharging on the direct-current capacitor, and the direct-current capacitor can provide direct-current voltage support. The solid-state switch has the characteristic of stable operation during steady-state operation and fault current-limiting operation. The air-cooled solid-state switch module can be conveniently expanded during application, and the power supply reliability of a user is guaranteed when the low-voltage side of the direct-current transformer is short-circuited.

The invention relates to the technical field of cooling equipment, and discloses a closed cooling tower and a cooling method. The closed cooling tower comprises a cooling tower shell, a first heat exchanger, a circulating water pipe and a spraying device, wherein the cooling tower shell is provided with an air inlet and an air outlet, the first heat exchanger and the spraying device are both fixedto the interior of the cooling tower shell, the first heat exchanger is provided with a second water inlet and a second water outlet, the first end of the circulating water pipe communicates with theinterior of the cooling tower shell, the second end of the circulating water pipe is connected with the spraying device, and the spraying device is located above the first heat exchanger. The coolingmethod comprises the steps that evaporation cooling is conducted through outdoor air energy in spring, summer and autumn, and air cooling is conducted in winter. According to the closed cooling towerand the cooling method, the outdoor air energy can be utilized, and annual cooling of hot water is achieved.

The invention discloses an automobile brake drum pouring device. The automobile brake drum pouring device comprises a supporting frame; transverse plates are fixed to the lower parts of the two sidesof the inner wall of the supporting frame; a recycling box is mounted on the transverse plates; a pouring mold shell is assembled at the top of the recycling box; a plurality of air holes are formed in the side walls of the two sides of the pouring mold shell; a plurality of water outlet holes are formed in the bottom of the pouring mold shell and the top of the recycling box correspondingly; an air heater and an air cooler are arranged on the two sides of the pouring mold shell correspondingly; and reciprocating mechanisms are connected to the air heater and the air cooler correspondingly; awater tank is fixed to one side of the top of the supporting frame; a water pump is assembled on the inner bottom wall of the water tank; a spraying cover is connected to the water outlet end of the water pump; the spraying cover is located right above the pouring mold shell; and cold air pipes are fixed to the upper part of one side of the inner wall of the water tank and the air inlet end of theair cooler. According to the automobile brake drum pouring device, uniform heat absorption and heat dissipation of the pouring mold shell are achieved, the cooling effect is improved, the product quality is guaranteed through all-around uniform cooling, the design is reasonable, the practicability is high, and the automobile brake drum pouring device is suitable for popularization.

The invention belongs to the technical field of electric equipment, and particularly relates to a ventilated electric motor. The ventilated electric motor comprises a base, a stator and a rotor. A front end cover and a rear end cover are arranged at two ends of the base respectively. A plurality of first air inlets are arranged at the position, close to the front end cover, of the base. A positioning shaft sleeve is arranged in the rear end cover. An air outlet is arranged at the center of the rear end cover. One end of the rotor penetrates the positioning shaft sleeve to fasten a fan coaxially. The fan is located in the air outlet. An air duct is arranged between the stator and each of the base, the front end cover, the rear end cover and the rotor. A connection component is arranged on the inner side of the base. The outer wall of the stator is in close touch connection with the connection component. The ventilated electric motor has the advantages that structures of the base, the stator and the rotor are improved, and the air ducts are reversed in the electric motor, around the stator and around the rotor, so that air cooling of the surfaces of the rotor and the stator is realized, and cooling effect is obvious.

The invention discloses an efficient household ventilating fan with a motor forced ventilation and integral heat dissipation structure. The ventilating fan comprises a motor, a wind wheel, a volute and a base, wherein the wind wheel and a rotating shaft of the motor are fixed together through the base, the motor and the volute are fixedly connected with each other, and the motor is completely arranged in the volute. By the ventilating fan, airflow which is generated when a blower of the ventilating fan rotates can forcefully ventilate and dissipate the heat of a motor housing, the unsafety factors of overhigh temperature rise and the like which are caused by poor heat dissipation condition when an embedded mounting ventilating fan operates are effectively solved, a heat dissipation effect is improved, the motor temperature rise and energy consumption are lowered, the service life of the motor is prolonged, and the efficiency of the whole ventilating fan is increased, and the product safety is ensured. Moreover, compared with the prior art, the efficient household ventilating fan also has the characteristics of convenience in maintenance and easiness in motor changing.

The invention discloses a protection device with an efficient heat dissipation function for electrical equipment. The protection device comprises an electrical equipment housing. A rain collecting boxis fixedly connected to one side of the top end of the electrical equipment housing; the front surface of the rainwater collecting box is slidably connected with an arc-shaped shielding plate; one side of the top end of the arc-shaped shielding plate is fixedly connected with a power plate; a rain gutter is dug in the top end of the power plate; a plurality of strip-shaped grooves are formed in the back surface of the electrical equipment housing; and the inner walls of the strip-shaped grooves are fixedly connected with a dustproof net. According to the protection device with the efficient heat dissipation function for the electrical equipment, a plurality of cold water pipes are arranged to be matched with the communicating pipe, and after rainwater flows in, the rainwater can flow slowly, so that the water cooling effect is achieved, and the heat dissipation capacity of the electrical equipment is greatly enhanced; and by arranging the rainwater collecting box and the power plate,under the cooperation of the arc-shaped shielding plate and the extension spring, the arc-shaped shielding plate can be driven to slide downwards through the gravity and impact force of the rainwaterin rainy days, and the rainwater is collected.

The invention relates to a relevant device of a mechanical machine tool and more particularly relates to a multifunctional clamp used for a mechanical machine tool. The multifunctional clamp can be used for achieving transverse clamping. The multifunctional clamp can be used for achieving longitudinal clamping. A transverse clamping device of the multifunctional clamp can be used for adjusting theheight, and a longitudinal adjusting device of the multifunctional clamp can be recycled when being not used. The multifunctional clamp can be used for adjusting the angle and can be automatically fixed to a machine tool face. The multifunctional clamp can be used for achieving air cooling during work, a part transverse clamp is connected with an air cooling device, a part longitudinal clamp is connected with the air cooling device, the part longitudinal clamp is connected with an angle adjusting device, a fixed base is connected with the angle adjusting device, and the fixed base is connected with a fixing device.

The invention relates to a new energy automobile generator automatic heat dissipation and cooling mechanism which is arranged on a generator mechanism, the generator mechanism comprises a generator and a rotating shaft arranged at the power input end of the generator, and the automatic heat dissipation and cooling mechanism comprises a box body, a transmission mechanism, an air cooling mechanism and a liquid cooling mechanism. The box body is provided with a cavity, an air outlet and an air inlet, the air outlet and the air inlet are communicated with the cavity, and the transmission mechanism comprises a first fixed meshing sleeve, a second fixed meshing sleeve, a first clutch assembly, a second clutch assembly and a driving assembly. The driving assembly is used for driving the first clutch assembly to be meshed with or separated from the first fixed meshing sleeve and driving the second clutch assembly to be meshed with or separated from the second fixed meshing sleeve; the air cooling mechanism comprises a heat dissipation fan arranged at the air inlet, the liquid cooling mechanism comprises a circulating pump, a cooling coil and a cooling water tank, the situation that the span of the heating range of the generator is large can be effectively handled, effective heat dissipation can be carried out, the power consumed by heat dissipation can be effectively controlled, and the use reliability is improved.

The invention discloses an outdoor power transformation box assembled in a monsoon climate zone. The outdoor power transformation box comprises a case and an air bellow which are fixedly connected, wherein an air inlet hole and an air outlet hole are respectively formed in the case, an air inlet and an air outlet are respectively formed in the air bellow, and an air cooling assembly and a heat absorption assembly are respectively arranged between the case and the air bellow. Wind power entering the air bellow drives a driving wind wheel and a main shaft to rotate, and the cold air wind wheel located below the transformer is arranged in the lower end of the case so as to achieve air-cooling heat dissipation; a reciprocating swing rod is driven by a plane rotating disc to perform reciprocating deflection, so a dipping plate connected with a driven rack realizes reciprocating horizontal movement under the driving action of a driving half gear, thereby realizing contact with a high-temperature electric transducer multiple times; and a continuously rotating pressure applying cam is used for applying pressure to soft package, so cooling liquid can be uniformly smeared on the transformer through the dipping plate, and the evaporation of the cooling liquid is used for absorbing and consuming the high-temperature heat on the transformer so as to realize physical cooling.

The invention discloses an energy-saving motor with a heat dissipation function, and relates to the technical field of energy-saving motors, the energy-saving motor comprises a front shell, a stator, a rotor and a transmission shaft are arranged in the front shell, the two ends of the transmission shaft penetrate through the front shell and extend to the outside of the front shell, and a rear shell is fixedly arranged at the left end of the front shell. The left end of the transmission shaft extends into the rear shell, a trigger type transmission mechanism is arranged in the rear shell, the left end of the transmission shaft drives the trigger type transmission mechanism to rotate, and an air cooling heat dissipation mechanism is detachably arranged on the left side of the trigger type transmission mechanism. And a water-cooling heat dissipation mechanism is arranged between the trigger type transmission mechanism and the air-cooling heat dissipation mechanism. According to the invention, the air-cooling heat dissipation mechanism and the water-cooling heat dissipation mechanism can be prevented from invalid work when the device can automatically dissipate heat in a low-temperature environment, so that the situation that the power of the device is reduced due to invalid work is avoided, and the normal use of the device is ensured.

The invention discloses a high-pressure oil-free air compressor and belongs to the technical field of air compressors. The high-pressure oil-free air compressor aims to achieve a good mute effect and a high pressure value. The high-pressure oil-free air compressor is characterized by comprising an air compressor main machine and an air storage tank which are connected, wherein the air compressor main machine comprises a crankcase and an air cylinder which are connected, the crankcase is provided with an outward extension portion, the outward extension portion is provided with a cylinder seat connected with the air cylinder, the circumferential side of the air cylinder is provided with a plurality of fixing barrels, the fixing barrels are arranged in an annular array along the circumferential side of the air cylinder, the circumferential side of the air cylinder is further provided with a plurality of strip-shaped first cooling fins, each cooling fin is arranged between the two corresponding adjacent fixing barrels, one side of each first cooling fin is connected with the outer wall of the air cylinder, the other side of each first cooling fin is provided with a second cooling fin, the first cooling fins are perpendicular to the second cooling fins, a cooling flow channel is formed between every two adjacent first cooling fins, a crank is provided with a front fan arranged in the crankcase, and the cylinder seat is provided with air guide holes enabling the inner portion of the crankcase to communicate with the cooling flow channels.

The invention relates to a heat dissipation type LED lamp which comprises a substrate, a control panel, a heat dissipation shell, a heat dissipation fan and a lampshade. A plurality of LED lamp beadsare integrated on the surface of the substrate. The control panel is electrically connected with the LED lamp beads. The lampshade comprises a lampshade body, a connecting cover and a lampshade plate,the bottom end of the lampshade body extends inwards to form a guide wall, the connecting cover is installed in the guide wall in a lifting and sliding mode, and a plurality of telescopic connectingrods and foldable nickel-titanium alloy memory metal sheets are connected between the top end of the connecting cover and the top of an inner cavity of the lampshade body. The connecting cover comprises a medium cover, an airtight inner cavity is formed in the medium cover, and heat dissipation medium liquid is packaged in the inner cavity of the medium cover; the substrate is mounted at the top of the mounting cavity of the medium cover, and a heat-conducting silicone grease layer is fixed between the substrate and the inner side wall of the medium cover; the lampshade plate is mounted at thebottom of the mounting cavity of the medium cover; ventilation intervals are formed between the substrate and the top of the lampshade, a plurality of ventilation holes are formed in the side wall ofthe lampshade body, and ventilation openings are formed in the top of the lampshade body. The water-cooling heat dissipation function and the air-cooling heat dissipation function are combined, and the heat dissipation effect is effectively improved.

The invention discloses a heat dissipation mechanism which comprises an air inlet formed in the bottom of a shell, an air outlet formed in the top of the shell, a mounting plate arranged in the shell and used for mounting a PCBA, a radiator arranged on the top of the mounting plate and used for dissipating heat of the PCBA, and a fan arranged on the top of the radiator and used for conducting forced convection heat dissipation on the radiator through airflow. A suction opening of the fan is communicated with the air inlet through the radiator, and an exhaust opening of the fan is communicated with the air outlet. Thus, by means of the air inlet formed in the bottom of the shell and the air outlet formed in the top of the shell, an almost-vertical air flow channel distributed in the vertical direction is formed in the shell, cold air can rapidly flow in the shell, heat exchange inside and outside the shell is rapidly completed, the air flow channel is simplified, and the air flow speed is increased. Meanwhile, heat can be dissipated to the outside in time, heat is prevented from being accumulated in the shell, and the size of the shell is prevented from being increased. The invention also discloses a head-mounted display device, which has the above beneficial effects.

The invention discloses a push plate type clutch with a heat-dissipating function. The push plate type clutch comprises a fixed plate, a fixed rack, an air bag and a separation and reunion assembly, wherein the fixed plate comprises an upper fixed plate and a lower fixed plate, a driving gear ring is arranged on the lower fixed plate, the separation and reunion assembly and the air bag are arranged on the driving gear ring in a sleeving manner successively and are fixed through the upper fixed plate and a first fixed bolt, an inner gear ring is arranged on the fixed rack, and the inner gear ring is arranged on the separation and reunion assembly in a sleeving manner to connect the separation and reunion assembly to the inner gear ring. By matching the fixed plate, the fixed rack, the air bag and the separation and reunion assembly, a braking operation on a high power machine is achieved, and meanwhile, groups of air inlet channels penetrating the side wall of the inner gear ring are arranged on the inner gear ring, so that air cooling of the separation and reunion assembly is achieved to prevent a condition that a braking effect is reduced and a braking time is prolonged due to overheat of a metal plate and a friction sheet.

The invention relates to the technical field of engines, and discloses an intelligent engine thermal management system with an environment temperature monitoring function. The engine management mechanism comprises an engine body, an engine warming mechanism and a cooling mechanism; the surface of the engine body is sleeved with a cooling water jacket; the cooling mechanism comprises a water pump and a cooling fan; the output end of the water pump communicates with an expansion water tank through a connecting pipe; the output end of the expansion water tank communicates with a drainage pipe; one end of the drainage pipe and the input end of the water pump communicate with thermostats; the thermostats and the cooling water jacket form a cooling liquid flow channel through connecting pipes; the engine warming mechanism includes a mounting seat and an engine warming fan; the engine warming fan is installed at the end of the mounting seat; and two airflow channels are formed in the inner side wall of the mounting seat. According to the intelligent engine thermal management system with the environment temperature monitoring function, through the arrangement of the engine warming mechanism and the cooling mechanism, the air cooling and preheating functions can be achieved while engine water cooling is achieved.