71results about How to "Prevent affecting the cooling effect" patented technology

The invention discloses a scroll heat radiation structure of a scroll fluid machine and a manufacturing method of the scroll heat radiation structure. The scroll heat radiation structure comprises a rolling scroll and a fixed scroll which is positioned on one side of the rolling scroll and is meshed with the rolling scroll, wherein the rolling scroll is provided with a rolling end plate; the fixed scroll is provided with a fixed end plate; a compressing chamber is formed between the fixed end plate and the rolling end plate; a plurality of heat radiation sheets are arranged on the end surface of the rolling end plate or / and the fixed end plate far from the compressing chamber; a nano coating is arranged on each heat radiation sheet of any one of the rolling scroll and the fixed scroll; the nano coating has the effects of improving heat conduction or preventing dust from adhering. Therefore, due to adoption of the scroll heat radiation structure of the scroll fluid machine and the manufacturing method of the scroll heat radiation structure, the heat radiation effects of the heat radiation sheets are improved.

The invention relates to a heat dissipation type electronic computing device for an office space. The heat dissipation type electronic computing device includes a shell and a switch, and the shell isin a cuboid shape. The switch is arranged on one side of the shell; a heat dissipation mechanism and a cleaning mechanism are arranged on the shell; the cleaning mechanism is located at the top of theshell. The heat dissipation mechanism is located on the side, away from the switch, of the shell. The heat dissipation mechanism comprises a water tank, an extrusion disc, a mounting plate, a fixed pipe, a connecting pipe, a moving pipe, a sealing block and a pushing assembly; the cleaning mechanism comprises a transmission assembly, a connecting bearing, a rotating shaft, a scraping rod, a connecting ring and two magnet blocks. According to the heat dissipation type electronic computing equipment for the office space, the heat dissipation function is achieved through the heat dissipation mechanism, and in addition, the dust removal function is achieved through the cleaning mechanism.

The invention relates to an electrical control module heat dissipation device comprising an electrical control box, an electrical control module, a fan and a radiator arranged in an outdoor unit body. The electrical control module is arranged on the outer wall of the electrical control box, the fan is arranged over the electrical control module and the radiator, and the radiator is arranged at one end, away from the electrical control box, of the electrical control module. An air inlet and an air outlet are arranged on the radiator, and the air inlet and the air outlet of the radiator are respectively located at two opposite ends of the electrical control module. Air can be led into a power module in the electrical control box in the outdoor unit body through the radiator arranged on the power module in the electrical control box, the heat dissipation process of the radiator on the power module is accelerated, and accordingly the electrical control module most serious in heat emission is cooled independently and efficiently so as to guarantee that the electrical control module can work at the most appropriate temperature.

The invention relates to a high-efficiency heat dissipation transformer, belonging to the technical field of transformers. The invention comprises a transformer housing, A window orientation device for detecting the highest heat dissipation efficiency is arranged above the transformer cabinet. the winding is arranged in the transformer box, Iron core, motor I, Motor II1, Control unit, the transformer box is provided with a louver vent in four planes perpendicular to the ground, The shutter grille blade of the shutter vent is fixed on the rotating shaft of the shutter, the rotating shafts in four directions are controlled to rotate by the motor I and the motor II 1, respectively, and the side wall of the transformer box is provided with a control device, which is respectively connected withthe window orientation device, the motor I and the motor II 1 for detecting the highest heat dissipation efficiency. The invention solves the problem that the heat dissipation performance of the existing transformer is affected by the hot air return phenomenon, which leads to poor heat dissipation effect, improves the protection effect of the transformer, and prolongs the service life of the transformer.

The invention relates to an outside-valve air-cooling system auxiliary spraying device of a converter transformer substation. The outside-valve air-cooling system auxiliary spraying device is characterized by comprising a water source, wherein the water source is connected with an inlet of a vertical centrifugal pump (1) through a precise filter (2), an outlet of the vertical centrifugal pump (1) is communicated with a spraying water pipe, the spraying water pipe is commucnited with at least one spray head (4), and the spray head (4) is arranged above an air cooler finned tube in the outside-valve air-cooling system auxiliary spraying device of the converter transformer substation. For preventing trip caused by ultra-high cooling water inlet valve temperature of a valve cooling system, the operating reliability of the device is improved. The outside-valve air-cooling system auxiliary spraying device of the converter transformer substation can effectively reduce the inlet valve temperature of a converter valve.

The invention belongs to the field of electricity meters, particularly relates to an intelligent electricity meter convenient to maintain, and aims to overcome the defect that when an existing electricity meter is maintained, dismounting operation is tedious, the intelligent electricity meter comprises a shell and an electricity meter body, the inner wall of one side of the shell is fixedly connected with a plurality of insulating columns, and the other ends of the insulating columns are fixedly connected with insulating plates; the two sides of the insulating plate are both fixedly connected with wiring boards, the two sides of the shell are both fixedly connected with blocking frames, the blocking frames are located on one sides of the wiring boards, one side of the insulating plate is fixedly connected with a plurality of wiring shells, contact pieces are arranged in the wiring shells, one side of the ammeter body is fixedly connected with a plurality of wiring columns, according to the invention, the electric meter body can be quickly demounted in a power-off manner, maintenance of the electric meter body is facilitated, people can be prevented from mistakenly touching the contact piece to cause electric shock, the use safety of the product is improved, dust on the filter screen can be knocked down, and the heat dissipation effect of the product is improved.

The invention discloses a protecting device with a heat dissipation function for electromechanical equipment. The protecting device comprises a shell, fixing frames and rotating motors. Mounting plates are fixed to the edge side of the shell. Mounting holes are reserved in the fixing frames. The rotating motors are fixed to the inner side of the shell. Air-permeable dustproof nets are mounted in heat dissipation lateral grooves. Storage batteries are fixed to the inner side of the bottom of the shell, and a baffle groove is formed in the bottom of the edge side of the shell. Air-permeable grooves are reserved on a sealing plate. A water pipe groove is formed in the inner wall of the shell, a sound absorption plate is mounted in the shell, a top cover is arranged at the upper end of the shell, and an electric push rod is mounted in the shell. According to the protecting device with the heat dissipation function for the electromechanical equipment, an air conditioner external unit is subjected to heat dissipation treatment through air cooling and water cooling, and the protecting device has a dustproof function while being convenient to demount and mount; and by arranging the electric push rod and the top cover, accumulated snow on the top cover can be automatically cleared, and the service life of the device is prolonged.

The invention relates to a transformer, belonging to the field of transformers. The transformer includes a a transformer case, a turbine natural ventilator which is arranged above the transformer caseand can fully utilize the heat dissipation efficiency improved by natural air flow and chimney effect, a cylindrical ventilation duct connecting the turbine natural ventilator and the inside of the transformer case. The transformer also provides a winding and an iron core arranged in the transformer case. A ventilation window capable of ventilating and preventing rain and dust is arranged in eachof four planes perpendicular to the ground of the transformer case according to the internal structure of the transformer and the characteristics of air flow. The turbine natural ventilator of the present invention can accelerate air flow in any parallel direction and convert the same into bottom-to-top vertical air flow; with the side ventilation window the chimney effect is adopted to improve the exhaust speed of hot air in the transformation case from the upper turbine natural ventilator, and the cold air from the outside is entrapped from the side ventilation window, which makes the heatdissipation more efficient and reduces the heat dissipation operation cost.

The invention discloses a wire drawing machine controller system, and belongs to the technical field of wire drawing machines. The wire drawing machine controller system is characterized in that an upper cover is hinged to the left side of the upper end of a shell through a hinge; a storage groove is arranged in the upper end of the shell; adjusting holes are arranged in the inner wall of the sideface of the storage groove; the adjusting holes are vertically distributed at an equal interval; a mounting plate is slidably connected in the storage groove; symmetrical grooves are arranged in thetwo ends of the mounting plate; a spring is connected in each groove in a contact manner; a limiting block is connected to the left end of each spring in a contact manner; a chuck is fixedly connectedto the left side of each limiting block; an arranged filter plate is provided with a quick sealing installation and disassembly function, a user can conveniently clean a filter screen, the influenceof the blockage of a mesh of the filter screen on the heat dissipation effect is prevented, and the convenience for use of the filter plate is improved; and furthermore, the arranged mounting plate has the functions of vertical movement and automatic positioning, when the user overhauls the controller system, the mounting plate can be moved upwards to increase the working space, and the overhaul efficiency is improved.

The invention belongs to the field of digital accessories, in particular to a sweat stain prevention type breathable cooling mouse. The mouse comprises a shell and a bottom plate, a cooling liquid pipe is arranged on the upper surface of the bottom plate in a snake shape; a heat dissipation cavity is formed in the shell. The cooling liquid pipe and the heat dissipation cavity are filled with cooling liquid. The heat dissipation cavity is communicated with the cooling liquid pipe; a sliding block is connected into the heat dissipation cavity in a sealed and sliding mode. A one-way conduction valve is arranged in the sliding block, an air suction cavity is formed above the heat dissipation cavity, a sealing plate is connected to the inner side wall of the air suction cavity in a sealed and sliding mode, the sliding block and the sealing plate are both made of magnetic materials, the sealing plate is a permanent magnet with opposite magnetic poles at the two ends, and a one-way conductionpipe is arranged in the sealing plate in a penetrating mode. The temperature in the shell can be reduced through flowing of cooling liquid, air is blown to the upper portion of the shell through theexhaust pipe, the blown air blows the hand of a user, sweat stains in the hand of the user can be eliminated, and the use comfort degree of the mouse is improved.

The invention discloses a motor with a two-way type air cooling structure. The motor comprises a motor body and a driving control box fixed on the motor body, wherein the motor body comprises a base, a hood casing arranged at the rear part of the base and a fan arranged in the hood casing; a plurality of box body radiating ribs are arranged on the surface of one side, close to the motor body, of the control box, and projections of the box body radiating ribs in the radial direction of the motor body are positioned in the outer edge range of the hood casing. According to the motor disclosed by the invention, heat generated in the control box is conducted through the box body radiating ribs; the box body radiating ribs are arranged on one side, close to the motor body, of the control box, so that a distance between two heating sources can be ensured, and the situation that the operating condition of the motor is affected due to heat accumulation at the contact position between the motor body and the control box is avoided; an original one-way air cooling structure in which air blown by the fan only flows in the direction of machine body radiating ribs is transformed into the two-way air cooling structure in which the air path simultaneously flows through the machine body radiating ribs and the box body radiating ribs, and the motor is simple to transform.

The invention provides a novel nonlinear analog circuit fault diagnosis device. The novel nonlinear analog circuit fault diagnosis device comprises: a shell and a sealing plate; an oscilloscope main body, wherein two sides of the oscilloscope main body are fixed between two sides of the inner wall of the shell, and the front surface of the shell is movably connected with a cover plate; and a through hole, wherein the through hole is formed in the back surface of the shell, and a cooling fan is arranged in the through hole. According to the novel non-linear analog circuit fault diagnosis deviceprovided by the invention, the oscilloscope main body can be cooled by starting the cooling fan, and external dust can be prevented from entering the oscilloscope main body by arranging the dustproofcover, so that the service life of the oscilloscope main body is prolonged, and the cooling effect is prevented from being influenced by dust attached to the cooling fan; when the dustproof cover isblocked, the dustproof cover can be detached, cleaned or replaced, the operation steps are simple, only the second connecting rod needs to be pulled, and the detaching efficiency is improved.

The invention discloses a vehicle power supply which comprises a supply shell. Power supply equipment is installed in the supply shell, heat dissipation holes are formed in the side wall of the supplyshell, an exhaust pipe communicated with the interior of the supply shell is fixedly connected to the supply shell, and a windward pipe communicated with the interior of the exhaust pipe is fixedly connected to the side wall of the exhaust pipe. A liquid storage tank is formed in the inner wall of the supply shell, an air inlet pipe is arranged at the inner top of the liquid storage tank, a liquid pumping barrel is fixedly connected to the upper end of the supply shell, and an electromagnet and an iron sheet are fixedly connected to the two opposite side walls of the liquid pumping barrel respectively. By arranging the windward pipe, the exhaust pipe and other components, the windward pipe extends out of a vehicle during installation, and when the vehicle runs, air flows in the windward pipe at a high speed, so that the air flow rate in the windward pipe is high, the air flow rate in the exhaust pipe is low, and hot air in the power supply can be brought out, and high temperature caused by heat accumulation in the power supply is prevented.

The invention discloses a control module unit mold of an automobile power-assisted steering system, and particularly relates to the technical field of automobiles. The control module unit mold comprises a shell, two vertical plates are fixedly connected to the rear side of the interior of the shell, two filter screen plates are fixedly connected between the two vertical plates, and a heat dissipation mechanism and a moving mechanism are arranged in the shell; the heat dissipation mechanism comprises a first rotating shaft, and the two filter screen plates are both located at the bottom of thefirst rotating shaft. A motor works to drive a second rotating shaft to rotate, so that the first rotating shaft is driven to rotate, then fan blades are driven to rotate, the fan blades rotate to generate wind to dissipate heat of the control module between the two filter screen plates, the control module is placed between the two filter screen plates, and then a handle is rotated to drive a threaded column to rotate; the threaded column rotates to drive an inserting plate to move horizontally, so that the inserting plate moves into the automobile, the shell is fixed, heat dissipation is facilitated, the service life of the control module is prolonged, and meanwhile mounting and dismounting are easy, and maintenance is convenient.

The invention discloses a data processing method and device based on a triple quadrupole mass spectrometer. The device comprises a signal conditioning circuit module and an FPGA chip. According to the data processing device based on the triple quadrupole mass spectrometer, when the device is used for a long time, internal electronic devices can generate heat, the change of heat enables an elliptical air bag to deform, the deformation of the elliptical air bag can press a rotating straight rod to drive a limiting ball to move along the interior of an arc-shaped elastic pipe, and under the action of the movement of the limiting ball, the arc-shaped elastic pipe can rotate; the arc-shaped elastic pipes can be deformed, the movable balls can be pushed to move out of the heat dissipation holes, the heat dissipation holes are exposed to achieve exchange of internal and external gas, and therefore the purpose of heat dissipation is achieved, and due to the arrangement, when the device is not used, the heat dissipation holes are in a closed state, external dust is prevented from entering the device along with the gas, and the service life of the device is prolonged. Therefore, the use of the device is influenced.

The invention discloses an excavator for a mine, and belongs to the technical field of excavators. The excavator for the mine comprises a mounting box, an air inlet is formed in the mounting box, a filter net is fixedly connected into the air inlet, a sweeping shaft is rotatably connected to the filter net, a sweeping rod is fixedly connected to the sweeping shaft, the bottom of the filter net isfixedly connected with a rotating shaft, the rotating shaft is rotatably connected with a dust falling rod matched with the sweeping rod, a box door is rotatably connected to the mounting box, the boxdoor is fixedly connected with a driving motor, the driving motor is connected with a driving shaft, the driving shaft is connected with an air suction piece, the driving shaft is matched with the sweeping shaft, the bottom of the mounting box is slidingly connected with a dust collection box, the side wall of the mounting box is fixedly connected with an air guide shaft, the end, away from the mounting box, of the air guide pipe is fixedly provided with a blowing opening matched with the excavator body, the excavator is excellent in dust removal effect, the function of vertical blowing of cooling fins can be achieved, cooling fin cavity blockage is prevented, and the dust amount in the mine is reduced while the cooling capacity is improved.

The invention discloses a novel heat dissipation device which comprises a box body, wherein an air inlet cavity with the left side communicating with the outside is formed in the upper portion of thebox body, a noice-cancelling pipe communicating with the air inlet cavity and provided with a leftward opening is arranged on the left side of the air inlet cavity, and a power cavity is formed in theupper right corner of the interior of the box body, and a fan power motor is fixedly disposed on the right end wall of the power cavity. In the invention, the hot air around the heating equipment ispumped away, and cold air is sent back to the heating equipment after cooling treatment, so that the heat dissipation effect is achieved; dust attached to fan blades can be automatically removed without detachment of a heat dissipation device for cleaning, so that the device is convenient to use, the heat dissipation effect can be improved and the service life of the radiator is prolonged; in addition, water drops cooled down from hot air can be collected and discharged out of the device regularly, and the situation that the heat dissipation effect is affected due to excessively high humiditycan be prevented.

The invention discloses a brushless motor base structure, and relates to the technical field of motor bases. Comprising a mounting base, a groove is formed in the top of the mounting base, a motor body is fixedly mounted on the inner wall of the groove, a transmission shaft is fixedly mounted at the output end of the motor body, and a gear is fixedly mounted on the outer wall of the transmission shaft; and a sealing cover plate penetrates through the inner wall and the outer wall of the groove, is rotationally mounted on the groove and is fixedly connected with the inner wall of the mounting base through a first torsional spring. According to the brushless motor base structure, when a motor body works, a gear can be driven to rotate, when the gear rotates, a rack plate can be driven to move downwards, the rack plate can drive a sealing cover plate to rotate anticlockwise through transmission of a first connecting rod, and the sealing cover plate can open a groove of a mounting base; and normal heat dissipation of the motor body is not influenced when the motor body works, so that the service life of the motor body is prolonged.

Improved outdoor distribution box. The present invention has a closed structure, the air inside and outside the box does not circulate, and the heat in the cabinet is brought out of the cabinet through the semiconductor refrigeration sheet in the heat dissipation device, and the rainwater, dust, and insects are prevented from entering the box while heat dissipation is carried out; the first fan makes The air flow in the box lowers the overall temperature inside the cabinet, and the second fan blows away the heat from the hot end of the semiconductor cooling chip, and uses a filter to prevent excessive dust outside the cabinet from adhering to the second fan and the hot end of the semiconductor cooling chip, affecting heat radiation.

The invention relates to a set top box with a dustproof function, the set top box comprises a main body and a plurality of plugging ports, the set top box also comprises a dustproof mechanism and a dedusting mechanism, the dustproof mechanism comprises a fixed magnetic strip and a plurality of dustproof assemblies, and each dustproof assembly comprises a rotating unit, a dustproof plate, a transmission disc, a first bearing, a transmission shaft and a transmission unit. The dust removal mechanism comprises a driving assembly, a connecting assembly, a fixing ring, two fixing rods and two dust removal assemblies, each dust removal assembly comprises a dust removal rod, a rolling ball, a first spring and two telescopic rods, the set top box with the dustproof function realizes the function of shielding the insertion port through the dustproof mechanism, so that dust in air cannot be attached to the insertion port, the phenomenon of poor plugging is avoided, and the reliability of the equipment is improved. Through the dust removal mechanism, the function of removing dust above the main body is achieved, the situation that the heat dissipation effect of the main body is affected due to dust accumulation above the main body is prevented, and then the reliability of the equipment is improved.

The invention relates to the technical field of network security equipment protection, and discloses a modularized integrated multifunctional network security protection device, which comprises a shell, a fixed structure is arranged in the shell, and the fixed structure comprises a baffle plate, a limiting plate, a base, a knob, a sliding block, a connecting shaft, a threaded rod, a soft cushion, a fixed shell, a movable plate and a wiring groove. When a rotating force is applied to the rotary knob, the rotary knob can control the threaded rod to rotate and drive the sliding block to horizontally move front and back. The modularized integrated multifunctional network security protection device provided by the invention is provided with a fixing structure and a connecting structure; the fixing structure can firmly fix the network security protection hardware equipment in the shell, the shell can realize single placement of the security equipment, the situation that a plurality of security equipment are overlapped together during use is avoided, and the connecting structure can connect a plurality of shells together, so that the shells are connected more fixedly.

The invention discloses an outdoor solar communication box for building construction, which comprises a communication box body, a supporting block is fixedly mounted on the upper side of the communication box body, a ceiling is fixedly mounted on the upper side of the supporting block, a solar panel is mounted on the outer side of the ceiling, a mounting block is fixedly mounted on one side of the communication box body, and a mounting plate is fixedly mounted on one side of the mounting block. Uniformly distributed mounting holes are formed in the surface of the mounting plate, a heat dissipation mechanism is arranged in the communication box body, and a moving mechanism is arranged at the bottom of the communication box body. Through the arrangement of an electric push rod and a cleaning brush, dust attached to the surface of the filter screen can be conveniently cleaned, in cooperation with the arrangement of a storage box, the cleaned dust can be collected, and the situation that when the outdoor solar communication box is used outdoors for a long period, too much dust is attached to the surface of the filter screen to block the filter screen and affect the heat dissipation effect is prevented; and by arranging the moving mechanism, lifting of the universal wheels can be realized, so that the flexibility of the communication box is enhanced, and the communication box is convenient to use.

The invention relates to the technical field of illumination, and in particular relates to a high-power LED car lamp. The high-power LED car lamp comprises an LED light source assembly, a heat conduction pipe used for mounting the LED light source assembly, a heat dissipator used for dissipating heat, a cooling fan used for accelerating heat dissipation, and a clamping base assembly used for mounting and positioning the LED car lamp, wherein the heat dissipator comprises a heat dissipating main body and heat dissipating structures, each heat dissipating structure comprises a main reinforcing bar uniformly distributed around the axis of the heat dissipator and a heat dissipating fin vertical to the main reinforcing bar, first cooling air channels with equal intervals are formed between theadjacent dissipating fins, the first cooling air channels of the adjacent dissipating structures are vertical to each other, the heat conduction pipe is provided with a pipe body and a heat conductionplate, the heat conduction plate is arranged in the pipe and forms a second heat dissipating air channel with the pipe body, a heat dissipating base is further arranged at one end of the pipe body, afirst air opening communicating with the first heat dissipating air channel is arranged at the position, connecting with the heat dissipating base, on the pipe body, and a second air opening communicating with the first air opening and the second heat dissipating air channel is arranged at the connecting part of the heat dissipating base. The structure is good in heat dissipation, and thus the service life of the LED car lamp is prolonged.

An integrated illuminating and irradiating structure comprises a radiating member, a PCB, LED chips and an adhesive layer, the radiating member comprises a body, and a reflection layer is arranged on the surface of the body. The LED chips are arranged on the reflection layer, and the PCB is equipped with a plurality of hollow parts and is arranged on the reflection layer of the radiating member. The adhesive layer is arranged between the PCB and the reflection layer, and the LED chips are accommodated in the hollow parts correspondingly and are electrically connected with the PCB. In the above integrated illuminating and irradiating structure, the LED chips are connected with the radiating member directly, so that the heat can be radiated out from the radiating member directly. Moreover, the reflection layer is arranged on the surface of the radiating member, when the LED chips emit light, on one hand, the reflection layer can reflect out the light rays which are irradiated on the reflection layer, so that the light rays are prevented from irradiating on the surface of the radiating member to generate a lot of heat and influence a heat radiation effect; on the other hand, the reflection layer enables the illumination effect of the integrated illuminating and irradiating structure to be improved.

The invention discloses a heater with a dust removal function. The heater comprises a heater main body and a telescopic drying rack arranged at the front end of the heater main body; an air outlet isformed in the upper part of the front end of the heater main body; a motor and a transmission mechanism are arranged at the right end in the heater main body, and the motor is electrically connected with the heater main body; the transmission mechanism comprises a fourth gear in key connection with an output shaft of the motor, and the lower end of the fourth gear is engaged with a third gear; thelower end of the third gear is provided with a first movable groove and a second movable groove which is located below the first movable groove; the left and right sides of the first movable groove communicate with a first sliding groove and a second sliding groove correspondingly; and the first movable groove is internally provided with a duplex gear matched with the third gear. The heater has the advantages that when the heater is started, the front and rear surfaces of the heater can be dusted back and forth by pulling a cover, and thus the situations that clothes are stained with dust onthe heater, and the heat dissipation effect is affected are prevented.

The invention discloses an integrated radiator for oil immersed power equipment, which comprises a substrate, a corrugated oil tank fixedly mounted in the middle of the top of the substrate, a water cooling device fixedly mounted on the left side of the top of the substrate, an energy storage device fixedly mounted on the right side of the top of the substrate, and an air cooling device fixedly mounted on the top of the corrugated oil tank. An endurance device is fixedly installed at the top of the air cooling device, a cooling oil tank is fixedly installed in the middle of the interior of the corrugated oil tank, the left side of the bottom of the cooling oil tank communicates with the right side of the bottom of the water cooling device, insulating oil is arranged in the cooling oil tank, and a winding is fixedly installed in the middle of the bottom of the interior of the cooling oil tank; and corrugated heat dissipation plates are fixedly mounted on the inner walls of the two sides of the corrugated oil tank, the equipment is high in practicability and safety, meanwhile, intelligent fire prevention and heat dissipation can be achieved, an alarm can be given in time when a fault occurs, and the equipment is high in practicability, wide in application prospect and worthy of application and popularization.

The invention relates to the field of engineering machinery, in particular to a power system with reverse blow-down capacity, a vehicle body and an aerial work platform. The power system comprises a first box, an engine, a cooler and a fan assembly arranged between the engine and the cooler, wherein the first box is provided with vent holes; the engine, the cooler and the fan assembly are all arranged in the first box; the fan assembly comprises fan blades, a driving device for driving the fan blades to rotate and a control valve group for controlling the rotating direction of the driving device; a cooling connection pipe allowing circulation of a coolant is arranged between the engine and the cooler. Therefore, sundries or dust in the power system are cleaned automatically, the cleaning efficiency is higher, the labor intensity is lower, cleaning is more complete and the cleaning effect is better, the internal burning rate of the engine and the output power of the engine can be increased, pollutants in exhaust gas can be reduced, energy saving and environmental protection are realized, and a better cooling effect is realized.