198results about How to "Affect cooling effect" patented technology

The invention relates to a novel computer mainframe box, which effectively solves the problems that an existing computer mainframe box is poor in heat dissipation effect, and a large number of electric resources are wasted. According to the technical scheme, the heat dissipation device comprises a mainframe box, a heat dissipation box is fixed to one side of the mainframe box, heat dissipation fans are arranged at the front end and the rear end of the heat dissipation box, heat dissipation pipes are installed in the mainframe box and penetrate through the mainframe box to be arranged in the heat dissipation box, and condensing agents are contained in the heat dissipation pipes; A temperature control adjusting device is arranged in the main case, the heat dissipation pipe is connected witha flow adjusting device arranged in the main case, the heat dissipation pipe is connected with a flow speed adjusting device arranged in the heat dissipation box, the flow speed adjusting device comprises an impeller arranged in the heat dissipation pipe in a running fit mode, and the impeller is controlled by a motor to rotate. The mainframe box is ingenious in structure, high in practicability and good in heat dissipation effect.

Disclosed is a heat pipe which comprises a first substrate including at least a first short fim slice and at least a first long fim slice and a second substrate including at least a second short fim slice and at least a second long fim slice, wherein, plough grooves between adjacent short and long fim slices form flowage channels for operating fluids, the first and the second long fim slices are respectively connected with corresponding plough grooves on the second substrate and the first substrate, and the long fim slices are connected with the corresponding plough grooves through welding manner.The method for fabricating the heat pipe comprises 1) providing a flat plate which includes a substrate and a short and a long fim slices arranged on the substrate, with plough grooves formed between the short and the long fim slices; 2) buckling a first part of the flat plate towards a second part of the flat plate to contact the long fim slices on the first part and the second part respectively with the corresponding plough grooves on the second part and the first part; 3) connecting the long fim slice with the corresponding plough groove through welding manner; and 4) sealing the two terminal parts of the flat plate.

The invention discloses an explosion-proof industrial LED lamp. The explosion-proof industrial LED lamp comprises a lamp body, wherein a circuit board is fixedly connected to the interior of the lampbody, a liquid storage pipe is arranged inside the lamp body, a piston is movably arranged inside the liquid storage pipe, the liquid storage pipe is filled with an expansion liquid, a connecting rodis fixedly connected to the upper side wall of the piston, a heat dissipation block is fixedly connected to the upper end of the connecting rod, a through opening matched with the heat dissipation block in size is formed in the upper side wall of the lamp body, a plurality of heat dissipation flow channels are formed in the heat dissipation block, an extendable spring is fixedly connected betweenthe lower side wall of the heat dissipation block and the inner wall of the lamp body, and two openings are symmetrically formed in the outer wall of the lamp body. According to the explosion-proof industrial LED lamp, when the temperature in the lamp body is high, the heat dissipation block is pushed out to communicate with the outside, air convection heat dissipation is carried out through the heat dissipation flow channels, when the temperature of the lamp body rises continuously, top rods are triggered to move to enable rotating plates to rotate, the openings are opened, the convection area is increased, double insurance is achieved, the use safety of the lamp body is guaranteed, and lamp body damage and safety accidents are avoided.

A high-power adjustable pulse fiber laser disclosed by the present invention comprises a shell, an alarm lamp, a water pump and a fiber laser body. The top of the shell is fixedly connected with the bottom of the alarm lamp, the outer side wall of the shell is fixedly connected with a water tank, and the inner side wall of the water tank is fixedly connected with the top of the water pump. A connecting plate is fixedly connected to the inner side wall of the water tank, a water pumping pipe is fixedly connected to one end of the water pump, a fan is driven to rotate through flowing of cooling liquid in the water cooling pipe, then external air starts to enter through an air inlet, and the air pushes a cleaning plate to slide upwards. When the water pump does not work, the cleaning plate can drive bristles to clean the outer surface of the filter screen under the action of self gravity, good heat dissipation of the interior of the shell is guaranteed, when the temperature reaches a certain degree, an air pressure switch mechanism starts to work, a circuit is connected, an alarm starts to work, personnel are reminded to close the device, and the service life of the device is prolonged.

The invention discloses a cooling device for a numerical control fan, and belongs to the technical field of fan cooling. The cooling device comprises a casing. An impeller is arranged inside the casing. An air inlet is formed in the surface, corresponding to the position of the impeller, of the casing. The surface, corresponding to the air inlet, of the casing is detachably connected with a purification device. Through the effective coordination of the designed purification device, spiral tubes, refrigeration fins, coolant and a noise reduction shield, impurities can be prevented from adheringto a bearing box, so as to not only prevent the impurities from increasing the friction between a spindle and a bearing in the bearing box, but also ensure the cooling effect of air flowing in an airchannel on cooling water or lubricating oil flowing in the cooling channel. A motor can be cooled. To a certain extent, the cooling device can reduce the heat generated by the motor during operationand is transmitted to the bearing in the bearing box through the spindle, so that the bearing in the bearing box can be further protected and the stability of the bearing in the bearing box can be ensured.

The invention discloses an intelligent home control system based on 5G Internet of Things, and belongs to the field of smart home control. The intelligent home control system comprises a shell, wherein a display screen arranged at the rear end of the shell, a microphone is arranged at the rear end of the shell and located at the upper right corner of the rear end of the shell, a temperature sensorinstalled at the left portion of the upper end of the shell, a humidity sensor is installed on the right portion of the upper end of the shell, filter screens are symmetrically arranged at left end and right end of the shell, cooling fans are symmetrically arranged in the shell left and right, a circuit board is arranged in the shell, a power supply is arranged at the bottom in the shell, fixingcovers are symmetrically arranged at the left end and the right end of the shell, heat dissipation holes are formed in the middles of the fixing covers, threaded rods are vertically arranged in the fixing covers, and a motor is mounted at the upper end of the threaded rod. According to the invention, dust is prevented from entering the shell through the filter screens so as to prolong the servicelife of the circuit board, and the motor drives the brush to brush the dust on the surface of the filter screen into the collection frame, so that the filter screen is prevented from being blocked bythe dust to influence the heat dissipation effect.

The invention provides a medical endoscope cold light source system comprising a power input interface, an LED source module and a cold light source control panel. The LED source module comprises an LED light-emitting chip, a junction temperature measurement sensor and a semiconductor refrigerator sheet, wherein the junction temperature measurement sensor is used for measuring junction temperature of the LED light-emitting chip in real time and the semiconductor refrigerator sheet is used for refrigerating the LED light-emitting chip. The cold light source control panel is electrically connected with the LED source module and drives the LED source module to operate so as to acquire real-time junction temperature of the LED light-emitting chip, measured with the junction temperature measurement sensor, and to compare to preset operating temperature; when the real-time junction temperature deviates the preset operating temperature, the semiconductor refrigerator sheet is controlled to operate. The system is capable of controlling the temperature of the LED light-emitting chip in real time according to life features of the LED light-emitting chip and dissipating heat through the semiconductor refrigerator sheet, has no influence on heat dissipation effect due to changes in ambient temperature, and allows the LED light-emitting chip to operate in the optimal state. The invention further provides a temperature control system and a medical endoscope.

The invention discloses an easy-to-radiate chip packaging structure and a packaging method thereof, and belongs to the technical field of electronic components. The easy-to-radiate chip packaging structure is characterized by comprising a lower box body, wherein an upper box body is clamped to the top of the lower box body, two clamping devices are arranged on each of the two sides of the lower box body, the clamping device penetrates through the lower box body and is connected with the upper box body in a clamped mode, a mounting assembly is fixedly connected to the inner bottom wall of the lower box body, and a chip body is arranged on the inner bottom wall of the mounting assembly. According to the invention, by arranging a pushing device, when a chip body works, a cover plate can be driven to ascend to generate deformation, so that conversion can be carried out according to the working condition of the chip body, sealing and dust prevention are achieved when the chip body does notwork, dust is prevented from entering the chip body, heat dissipation is carried out in time when the chip body works, the heat dissipation effect is good, and the service life of the device is prolonged; and through holes in the surface of the pushing device can drive the cover plate to move up and down, so that and flowing of air between the upper box body and the lower box body can be accelerated, and heat dissipation effect is better.

The invention discloses an LED split type module lamp which comprises a light management module, a light source module, a heat-radiating module and a housing, wherein the housing is provided with a cavity structure with an opened side, the heat-radiating module is arranged in a cavity of the cavity structure, a penetrating structure communicated with outside is arranged on the wall of the cavity,the light source module is fixed with the heat-radiating module, an emergent light side points at the opened side of the cavity, one end of the light management module is connected with the housing through a hinge mechanism and enables the light management module to rotate around the hinge mechanism for covering the opened side so as to cover and buckle the light source module, and the other end of the light management module is fixed with the housing through a wrench buckle. The power drive module, the light source module, the heat-radiating module and the light management module are subjected to split module design, thus the LED split type module lamp is easy to disassemble and replace, and is easy to realize expansion application of a large-power LED split type module lamp.

The invention discloses video decoding equipment based on a self-adaptive video decoding method. The video decoding equipment comprises an equipment shell, a decoder is arranged in the equipment shell, frame openings are formed in the opposite side walls of the equipment shell, a filter screen is fixedly connected to the side walls of the frame openings, a first cleaning device for cleaning the filter screen is installed on the equipment shell, and a damping device for damping the equipment shell is installed on the equipment shell. A first bevel gear, a second bevel gear, a reciprocating leadscrew, a sliding block and an L-shaped plate are arranged; the sliding block can drive the L-shaped plate to slide up and down on the inner wall of the U-shaped groove; first bristles on the side wall of the L-shaped plate are used for cleaning dust on the side wall of the filter screen; by arranging the rotating shaft, the negative-pressure impeller, the filter plate and the dust suction pipe, negative pressure exists in the circular groove when the negative-pressure impeller rotates quickly, so that dust scraped off from the filter screen is sucked into the first semicircular groove throughthe dust suction holes and the dust suction pipe, and the dust scraped off from the filter screen is prevented from flying everywhere.

The invention relates to the technical field of motors, in particular to a motor with an anti-corrosion driving shaft. The motor comprises a motor body, wherein a driving shaft is arranged on the motor body, an abutting mechanism is installed on the driving shaft, a plurality of sets of fixing mechanisms are installed on the motor body, a lubricating mechanism is installed on the motor body, an oil injection mechanism is installed in the lubricating mechanism, and the motor body is connected with a dustproof mechanism and is provided with a sealing mechanism. Through the effect of the fixing mechanisms, the motor and external equipment can be conveniently installed and fixed; an external gear can be conveniently installed under the effect of the abutting mechanism, and the gear can be stably clamped and conveniently disassembled; under the effect of the sealing mechanism, an external cable of the motor can be conveniently sealed to prevent water from entering the interior of the motor to cause damage; the motor and the driving shaft are indirectly lubricated under the action of the lubricating mechanism, so the working efficiency of the motor is improved; and lubricating oil is conveniently injected under the action of the oil injection mechanism, and the lubricating oil is prevented from overflowing.

The invention provides a radiating control method of a refrigerator and the refrigerator. The radiating control method of the refrigerator comprises the steps that a running signal and running duration of a compressor are obtained; according to the running signal, when it is determined that the compressor is stated, a first cooling draught fan is controlled to be started; whether the running duration of the compressor is longer than or equal to a first preset duration or not is judged; and if the running duration of the compressor is longer than or equal to the first preset duration, a secondcooling draught fan is controlled to be started, so that radiating of a compressor bin is carried out. According to the scheme, an air inlet flue and an air outlet flue are arranged at the bottom of abox, cold air entering the compressor bin is prevented from being mixed with hot air discharged from the compressor bin, and reduction of the heat exchange efficiency of a condenser is avoided. The second cooling draught fan is started slightly later than the first cooling draught fan, the cold air entering the compressor bin can be prevented from being directly discharged, the cold air can be sufficiently used, the temperature of the compressor bin is effectively reduced, the radiating control method is more reasonable, and the radiating effect of the refrigerator is strengthened.

The invention discloses an energy recovery system and method for an automobile engine. The energy recovery system for the automobile engine comprises an electric-control pump, a steam turbine, a condenser, a liquid storage tank, a controller, a pressure-limiting valve, an energy recovery mechanism, a first heat exchanger, a coolant temperature sensor, a second heat exchanger and a working medium temperature sensor. The coolant temperature sensor, the working medium temperature sensor and the electric-control pump are electrically connected with the controller. The energy recovery mechanism is installed on an output shaft of the steam turbine. The liquid storage tank, the electric-control pump, the first heat exchanger, the second heat exchanger, the pressure-limiting valve, the steam turbine and the condenser form a circuiting flow channel for working media. In the flowing process of the working media, heat of the engine is absorbed through the first heat exchanger and the second heat exchanger, and the energy recovery mechanism is driven by the steam turbine to recover energy. According to the energy recovery system and method, redundant heat of a cooling system and an exhausting system can be fully recovered, the energy utilization rate of fuel oil is increased, and meanwhile normal cod starting of the engine is prevented from being affected.

The invention relates to a radiator fan, which comprises a fan frame, an inner rotor motor, at least an impeller and a circuit wafer. The fan frame is provided with an outer frame, the inner side of the outer frame forms a hollow motor shell in an integrative molding way. The inner rotor motor is combined with the interior of the motor shell and comprises a rotor and a stator. The rotor is rotatably contained in the stator and is provided with a rotating shaft and a magnetic component. The rotating shaft penetrates out to the outer of the motor shell. The magnetic component is combined with the rotating shaft and is aligned with the stator. The impeller is combined with the rotating shaft and arranged in the external part of the motor shell. The circuit wafer is electrically connected with the stator; thereby, the inner rotor motor can be used for driving the impeller to rotatably move, and then provides better heat dissipation effect.

The invention relates to the field of nonferrous metal processing, in particular to a preparation method of a silver-containing copper bar for a large-capacity phase regulator. The preparation methodcomprises the following steps: material preparation; step 2, up-drawing continuous casting; step 3, continuous extrusion; step 4, finished product drawing. The scheme has the beneficial effects that the resistivity of the silver-containing copper bar product is controlled within 0.01765-0.01898 omega.m / m<2>, the conductivity deviation is small, and the use demands of a rotor coil of the large-capacity air-cooled phase regulator are met.

The invention aims to solve the problem that an existing device records things on both sides of a road inconveniently when walking outdoors, and discloses a portable notebook casing convenient to record. The notebook casing comprises a square frame, a sucking disk, a sealing ring, a conduit, a rotating shaft, through holes, a connecting pipe, a second universal tube, a first universal tube, a first air bag and an air inlet pipe, a guiding cylinder is fixedly arranged in the middle of the lower side of a base plate, the other end of the guiding cylinder is provided with a connecting rod, and the other end of the connecting rod is fixedly provided with a supporting cylinder. According to the portable notebook casing, by arranging the first universal tube and the second universal tube, the angles of a second retro-reflector and a first retro-reflector are convenient to adjust, thus when a user walks outside, the user only needs to look up for recording conveniently, the work efficiency isimproved, the sucking disk is arranged, accordingly a notebook computer is adsorbed and fixed, the stabilization of the notebook computer is improved, and at the same time, the heat dissipation of the notebook computer is better achieved.

The invention discloses an oil and gas field intelligent block chain processing server and a use method thereof. The oil and gas field intelligent block chain processing server comprises a box body and a ventilation mechanism, the ventilation mechanism used for controlling the exhaust air rate is arranged in the box body, a filter plate is arranged on the inner wall of the box body, a supporting rod is rotationally connected to one side of the filter plate, and fan blades are fixedly connected to one end of the supporting rod; a worm wheel is fixedly connected to the outer side of the supporting rod, a worm meshed with the worm wheel is rotatably connected to the interior of the box body, a supporting plate is fixedly connected to the interior of the box body, a heat conduction plate is fixedly connected to the inner wall of the supporting plate, and a cooling pipe is fixedly connected to the position, located on one side of the heat conduction plate, in the supporting plate; through the fan blades, the worm gear, the worm, the water pump, the heat conducting plate, the cooling pipe, the water pump and other structures, the server body can be rapidly cooled, and the situation that normal operation of the server body is affected by too high temperature, and even server damage is caused is avoided.

The invention relates to an electrical cabinet, in particular to an electrical cabinet capable of automatically cleaning a dust screen. The technical problem to be solved by the invention is to provide the electrical cabinet capable of automatically cleaning the dust screen, which does not need to manually clean the dust screen. The electrical cabinet capable of automatically cleaning a dust screen comprises an electrical cabinet body; an electrical cabinet dust screen which is arranged on the electrical cabinet body in a sliding manner; a moving assembly which is mounted on the electrical cabinet body; and a cleaning assembly which is installed on the electrical cabinet body. The electrical cabinet is provided with a gear and a rack, so a rolling brush can rotate, then the rolling brush cleans an electrical cabinet dustproof net more thoroughly, and the situation that the heat dissipation effect of an electrical cabinet is affected due to the fact that cleaning is not thorough is prevented; through cooperation of the first circular block and the second circular block, the electrical cabinet dustproof net is shaken, so that dust is prevented from adhering to the electrical cabinetdustproof net, and the dust suction assembly can suck the dust conveniently.

The invention provides a method for processing a thermoelectric separation substrate for an LED. The method can prevent the overflowed glue generated in the manufacturing process of the thermoelectricseparation substrate from affecting the heat dissipation effect of the thermoelectric separation substrate, and includes the following steps of: cutting a copper substrate; drilling an alignment toolhole on the copper substrate, covering the copper substrate with a dry film, performing exposure and development, performing depth-controlling etching on the exposed and developed copper substrate, forming, on the copper substrate, a boss in contact with and thermally conductive with the LED; browning the copper substrate, attaching a PP sheet to the copper substrate, windowing the PP sheet at aposition corresponding to the boss; covering the PP sheet with a layer of copper foil, wherein the copper foil, the PP sheet, the copper substrate are laminated from top to bottom; performing a dry film pretreatment on the copper foil, attaching the dry film, performing exposure and development, removing the copper foil on the dry film of the boss by etching and windowing, manufacturing a circuit,and then removing the dry film on the boss to expose the boss.

The invention relates to the technical field of electrical equipment, and discloses an energy-saving and environment-friendly device for electrical equipment protection and heat dissipation. The device comprises a rack, the bottom wall of the rack is movably connected with supporting rods, the top ends of the supporting rods are movably connected with sliding bins, and the inner walls of the sliding bins are movably connected with magnetic plates, and the opposite surfaces of the magnetic plates are fixedly connected with buffer brackets. According to the energy-saving and environment-friendlydevice for electrical equipment protection and heat dissipation, after the sliding bins are separated from contacts, the magnetism of fixed magnetic blocks is weakened, the magnetic plates slide oppositely under the action of the buffer brackets, air between the magnetic plates is extruded into air bags, the air bags expand after being inflated, and the fixing strength of electrical equipment isenhanced; and through cooperation with the combined action of energy absorption supports, the purpose of protecting the electrical equipment is achieved, unstable connection of internal elements of the electrical equipment in a long-term vibration environment is avoided, and stable operation of the electrical equipment is guaranteed.

The invention discloses a display interface information device for measuring instrument detection equipment, and belongs to the field of measuring instrument detection equipment. A display interface information device for measuring instrument detection equipment comprises a box body, wherein the inner wall of the box body is fixedly connected with a partition plate, the box body is provided with a driving mechanism, the box body is rotationally connected with a lead screw, the lead screw is fixedly connected with a third belt wheel, the lead screw is in threaded connection with an inclined block, the inclined block is slidably connected to the box body, the partition plate is slidably connected with a sliding rod, a placement table is fixedly connected to the top of the sliding rod, an anti-falling plate is fixedly connected to the end, far away from the placement table, of the sliding rod, a first rolling wheel is fixedly connected to the outer wall of the anti-falling plate, the sliding rod is sleeved with a first reset spring, and two ends of the first reset spring abut against the outer walls of the partition plate and the anti-falling plate correspondingly. The device is easy to operate, effectively protects the display and avoids dust deposition at the same time, so that the display cannot be damaged due to overheating, and thereby, the service life of the display is greatly prolonged.

The invention discloses an auxiliary protecting device for an LED street lamp. The auxiliary protecting device comprises a protecting frame, a first fan, an electric push rod, a street lamp shell, heat-dissipating fins, a strip brush, a connecting rod, a spring, a connecting plate, a cleaning plate, a rod sleeve, a push rod, a fixing frame, a cam, an output shaft, a motor, a second fan, a strip plate and bristles. According to the auxiliary protecting device for the LED street lamp, the structure is reasonable, the design is novel, gaps between the heat-dissipating fins can be effectively cleaned through the bristles on the strip plate, the phenomenon of dust accumulation of the gaps between the heat-dissipating fins is avoided, and thus the influence on the heat-dissipating effect of theheat-dissipating fins is avoided; through the first fan, flowing of air at the top of the heat-dissipating fins can be effectively accelerated, the air pressure in the gaps between the heat-dissipating fins can be reduced, and the phenomenon that dust in the air enters the gaps between the heat-dissipating fins can be reduced; through the second fan, the heat dissipating effect of the heat-dissipating fins can be effectively improved, and LED lamp beads in the street lamp shell are protected; and through the strip brush, the bottom of the street lamp shell can be effectively cleaned, and the situation that the bottom of the street lamp shell is stained with the dust and thus the lighting effect of the street lamp is influenced is avoided.

The invention discloses a coal-based natural gas flue gas multi-point replacement desulfurization device and a use method thereof, and belongs to the technical field of flue gas desulfurization. A flue gas distribution mechanism is distributed on the pipe wall of a rectangular pipe; therefore, flue gas introduced into a desulfurization box is effectively subjected to a multi-point distribution treatment; when a liquid desulfurization alkaline medicine is sprayed downwards; the liquid medicine can be in full and uniform contact with the flue gas subjected to multi-point diffusion; after sufficient neutralization, the sulfur element in the flue gas is replaced; multi-point desulfurization operation is realized, the low desulfurization efficiency caused by non-uniform local desulfurization iseffectively avoided; besides, desulfurized gas is introduced into a circulating cooling pipe, high-temperature water vapor in the gas is cooled and liquefied, a gas cooling treatment is effectively achieved, water drops formed by liquefaction are guided downwards and adsorbed and dried by adsorption cotton, water mist is easy to remove, and the effect is good.

The invention discloses a power battery compartment for a new energy vehicle. The new energy automobile comprises a power battery compartment body and a battery box arranged in the power battery compartment body, wherein the power battery compartment body is provided with a first air inlet communicated with a compartment of the new energy vehicle and an air outlet communicated with the outside of the compartment, a power battery is arranged in the battery box, a second air inlet is arranged at the position close to the first air inlet of the battery box, and an exhaust fan is arranged at the position close to the air outlet of the battery box. A partition plate for preventing air flow short circuit is arranged between the power battery compartment body and the battery box. The power battery compartment utilizes air-conditioning air in the compartment to cool the power battery, the air-conditioning air in the compartment is kept within a certain temperature range and does not change with the changing environment outside the compartment, the cooling effect of the power battery is effectively ensured, the influence of the power battery on a vehicle body and a chassis structure is reduced, and the comfort degree of an in-vehicle environment is improved.

The invention discloses a remote teaching device based on cloud computing, and the device comprises a remote teaching device body, an air inlet hole is formed in the inner wall of one side of the remote teaching device body, a first dustproof net is fixedly installed in the air inlet hole, a fixed seat is fixedly installed on the inner wall of the bottom of the remote teaching device body, and a cavity is formed in the fixed seat. A fixing groove is formed in the side, close to the first dustproof net, of the fixing base and communicates with the air inlet hole. The remote teaching device is reasonable in design and good in practicability, the heat dissipation efficiency of the remote teaching device body is improved by performing effective air-cooling heat dissipation and water-cooling heat dissipation on the interior of the remote teaching device body, and electrical element damage caused by too high temperature in the remote teaching device body is avoided; during the heat dissipation process, good dust removal and dehumidification efficiency can be achieved, and the phenomenon that dust and water vapor enter the remote teaching device body to cause short circuit of electrical elements is avoided.

The invention relates to the technical field of waste heat recovery heaters, in particular to a flue waste heat recovery heater which comprises a box body. A heat dissipation barrel is arranged in thebox body, an air pipe network is arranged in the heat dissipation barrel, the air inlet end of the air pipe network is connected with a filter box, one side of the filter box communicates with an airblower, and a first scraper and a second scraper are rotationally arranged in the box body and make contact with the outer wall and the inner wall of the heat dissipation barrel correspondingly. According to the flue waste heat recovery heater, heat carried by flue gas in a flue can be utilized, the utilization rate of heat energy is increased, the side walls of the heat dissipation barrel can bescraped, the heat dissipation effect of the heat dissipation barrel is improved, and the use practicability of the heat dissipation barrel is improved.

The invention belongs to the field of electromechanical equipment, and particularly relates to a dustproof heat dissipation device for electromechanical equipment. The dustproof heat dissipation device comprises a shell, wherein a suction fan is mounted on the inner top surface of the shell; an air outlet of the suction fan extends out of the shell, and an air inlet of the suction fan is fixedly communicated with a corrugated pipe; the other end of the corrugated pipe is rotatably connected with a vertically-arranged suction pipe; the inner side wall of the suction pipe is fixedly connected with a horizontally-arranged fan; a semi-gear ring coaxially and fixedly sleeves the suction pipe; the inner side walls of the two sides of the shell are fixedly connected with racks; the semi-gear ringis engaged with the two racks correspondingly, and two vertically-arranged air inlet grooves are formed in the side walls of the shell. According to the present invention, the suction pipe reciprocates left and right in the horizontal direction to suck air in different directions of the electromechanical equipment, so that the uniform heat dissipation of the electromechanical equipment is guaranteed, dust attached to the surface of a dust filter screen can be shaken off, and the situation that the heat dissipation effect of the electromechanical equipment is affected due to blockage of the air inlet groove caused by dust accumulation, is avoided.

The invention discloses a high-voltage lead structure and lead method for a coal mine transformer. The high-voltage lead structure comprises a box body, wherein a left end and a right end of the box body both are connected with a threaded rod in a penetrating way, the interior of an upper end of the box body is fixedly connected with a second horizontal rod, a groove is formed in the second horizontal rod, one end, near to a high-voltage line body, of an insulation spring is fixedly connected with a fixed block, an upper end of the second horizontal rod is fixedly connected with a left end ofthe insulation spring, a first bevel gear is arranged at a right upper end of the box body, a right end of the first bevel gear is contacted with a second bevel gear, a front end of the box body is fixedly connected with a cooling plate, first horizontal rods at the left end and the right end of the box body are connected by a belt, and the left end and the right end of a bottom end of the box body both and a pulley are movably connected to a bottom end of the box body. By the high-voltage lead structure for the coal mine transformer, the high-voltage line is convenient to fix, the coal mine transformer is convenient to move and fix, and dust on an outer surface of the cooling device is convenient to clean.

The invention discloses an intelligent high-voltage ring main unit, and relates to the technical field of ring main units. The intelligent high-voltage ring main unit comprises a cabinet body, whereina plurality of heat dissipation pieces are arranged on the side wall of the cabinet body, each heat dissipation piece comprises a fixing cylinder, a heat dissipation pipe and a heat dissipation nozzle, the fixing cylinders are fixed in positioning holes in the side wall of the cabinet body, the end, which is located in the cabinet body, of each fixing cylinder is sleeved with the heat dissipationnozzle, and the end, which is located outside the cabinet body, of each fixing cylinder is sleeved with the heat dissipation pipe; the bottom of the cabinet body is provided with a base, and a dust cleaning piece is inserted into the base. The pipe wall of the heat dissipation pipe protrudes outwards to form heat dissipation protrusions. Object conduction and heat dissipation in the cabinet bodyare facilitated through the heat dissipation nozzles and the heat dissipation pipes, the heat dissipation area is increased through the heat dissipation protrusions, the heat dissipation effect is improved, the heat dissipation is simple and convenient, and the heat dissipation nozzles and the heat dissipation pipes are convenient to assemble and disassemble and convenient to use. The dust cleaning piece is simple in structure, convenient to use, high in dust sticking capacity and good in dust cleaning effect.

The invention discloses a power electrical transformer with good safety performance and relates to the technical field of power electrical transformers. The transformer comprises a transformer main body, three fixing frames and a plurality of cooling fins, wherein the three fixing frames are welded to a front end, a rear end and one side of the transformer body correspondingly, multiple cooling fins are evenly and fixedly arranged at the front end, the rear end and one side of the transformer body, a shell is fixedly arranged at a front end of the transformer body, an exhaust fan is fixedly arranged in the shell, a first bent pipe is fixedly arranged on one side of the shell, one end of the first bent pipe penetrates through one side of the shell and is arranged on the front side of the exhaust fan, the first bent pipe is fixedly arranged at an outer end of the transformer body, and a heat dissipation mechanism is arranged at a top end of the transformer body. The transformer is advantaged in that heat is absorbed through cooling fins, the cooling fins are cooled through wind power generated by the exhaust fan, meanwhile, collected rainwater is subjected to heat exchange, the evaporation rate of the rainwater is increased, heat of the transformer body is absorbed, then the transformer body is cooled, and safety is improved.