34results about How to "Improve the cooling effect of water cooling" patented technology

The invention discloses a self-heat-dissipation system for a switched reluctance motor. The self-heat-dissipation system comprises a switch reluctance motor shell, the switch reluctance motor shell issleeved with a fixing plate., the fixed plate is fixedly connected with the switched reluctance motor shell, a heat conduction plate is fixedly connected to the inner side of the fixed plate, a cooling pipeline is arranged in the heat conduction plate, a circulating water cooling mechanism communicated with the cooling pipeline is arranged on the outer side of the fixing plate, a rear cover shellis arranged at the rear end of the switched reluctance motor shell, the switched reluctance motor shell is detachably connected with the rear cover shell through a mounting mechanism, and a heat dissipation mechanism is arranged in the rear cover shell. The self-heat-dissipation system is reasonable in structural design, the purpose of circuit conduction is achieved through mercury rising along with temperature rising of the switched reluctance motor, the good heat dissipation effect of air cooling heat dissipation and water cooling heat dissipation is achieved, the temperature in the switched reluctance motor shell is prevented from being too high, and operation of the switched reluctance motor is facilitated.

The invention discloses a novel radiator structure which comprises a heat conduction plate, an S-shaped cavity is formed in the heat conduction plate, six rotating shafts are arranged in the S-shaped cavity, every two of the six rotating shafts are symmetrically arranged, first arc-shaped blades are fixedly installed on the six rotating shafts, and a plurality of first radiating fins are fixedly installed at the top of the heat conduction plate at equal intervals. Two stand columns are fixedly installed at the top of the heat conduction plate, the same transverse plate is fixedly installed at the top ends of the two stand columns, and a liquid storage tank and a motor are fixedly installed at the top of the transverse plate. The novel radiator structure is reasonable in design and good in practicability, heat generated by a CPU is absorbed through the heat conduction plate and the multiple first heat dissipation fins, efficient heat dissipation can be achieved through air cooling heat dissipation and water cooling heat dissipation, the heat dissipation effect and heat dissipation efficiency are improved, the heat dissipation performance is enhanced, the surfaces of the multiple first heat dissipation fins can be effectively cleaned, and the dust is prevented from being gathered on the plurality of first heat dissipation fins to influence the heat dissipation effect.

The invention discloses an air-cooling and water-cooling dual-purpose heat sink. The heat sink comprises a substrate, wherein one surface of the substrate bulges outwards to form a heat conducting surface tightly contacted with a heating element, the other surface of the substrate extends upwards to form multiple strip-shaped fins, the strip-shaped fins are arranged on the substrate to form multiple wave-shaped channels in parallel from bottom to top and multiple linear channels in parallel from left to right, and an outer frame surrounding the strip-shaped fins is detachably mounted on the other surface of the substrate; an air-cooling outer frame of fans and a water-cooling casing can be arranged at the upper end and the lower end of the outer frame respectively, the strip-shaped fins are sealed and surrounded by the water-cooling casing, and water pipe joints are arranged at the upper end and the lower end of the water-cooling casing respectively. The heat sink has the advantages ofbeing good in heat sinking effect and capable of realizing water-cooling or air-cooling heat sinking.

The invention discloses a strong heat dissipation type high-voltage switch cabinet and a working method thereof. The strong heat dissipation type high-voltage switch cabinet comprises a switch cabinetouter cabinet body, a switch cabinet door, a bottom support, a top support, a sealing fixed base, a sealing rotating base, a first partition plate, a second partition plate, a heat dissipation fan and an inner cabinet body. A plurality of groups of supporting legs are arranged at the bottom of the switch cabinet outer cabinet body; the upper end and the lower end of the switch cabinet outer cabinet body are respectively provided with a top heat dissipation port and a bottom heat dissipation port. The left end and the right end of the switch cabinet outer cabinet body are respectively providedwith a side heat dissipation port. The switch cabinet door is rotatably connected to the front end of the switch cabinet outer cabinet body. The switch cabinet door is provided with a door handle anda switch lock. The upper and lower end heat dissipation ports are driven to be opened and closed at the same time through a set of motors, driving energy consumption is reduced, the heat dissipationeffect is ensured, the upper and lower end heat dissipation ports are opened and closed according to needs, heat dissipation and moisture prevention of the switch cabinet are effectively achieved, water cooling heat dissipation is conducted while air cooling heat dissipation is conducted, and the super-strong heat dissipation effect of the switch cabinet is achieved.

The invention discloses a polypropylene fiber spinning device and a spinning method. The polypropylene fiber spinning device comprises a spinning device body, a processing box is fixedly installed at the output end of the spinning device body, an inlet is formed in the inner wall of the left side of the processing box, an outlet is formed in the inner wall of the right side of the processing box, an air cooling assembly is arranged on the processing box, a hollow guide roller is arranged in the processing box, the two ends of the hollow guide roller are both of a closed structure, hollow rotating shafts are fixedly installed at the two ends of the hollow guide roller, and the two hollow rotating shafts both communicate with the interior of the hollow guide roller. The polypropylene fiber spinning device is reasonable in design and good in practicability, the integrated operation of cooling solidification and spinning oiling on the produced polypropylene fiber silk yarn can be achieved, the spinning efficiency is improved, the produced polypropylene fiber silk yarn can be rapidly and effectively cooled and solidified, and the polypropylene fiber yarns can be quickly and uniformly oiled, so that the spinning quality is improved.

The invention discloses an efficient heat dissipation structure of a cabinet type 5G base station construction computing unit, and the structure comprises a cabinet body, wherein a mounting cavity isformed in the cabinet body, a plurality of mounting plates are mounted in the mounting cavity, a circulating cavity is formed in the cabinet body, a water tank is mounted in the circulating cavity, and a heat dissipation groove is formed in the left end of the cabinet body; a water collecting cavity, a vertical cavity and a square cavity are sequentially formed in the upper end of the cabinet bodyfrom left to right, the vertical cavity is located on the right side of the water collecting cavity, the square cavity is located on the right side of the vertical cavity, a compression cavity is formed in the cabinet body, and the compression cavity is located above the square cavity. The structure dissipates the heat in the cabinet body through water cooling, and water resource waste is reducedthrough cyclic utilization of water; meanwhile, gas in the folding air bag is sprayed out of the heat dissipation groove, the flow speed of the gas in the heat dissipation groove is increased, heat dissipation of the heat dissipation fins is made to be fast, the heat dissipation fins are made to be in a high-heat-dissipation state all the time, and the overall water-cooling heat dissipation effect is improved.

The invention discloses a refining furnace which comprises an electrode, a furnace body and a furnace cover. A slag discharging port, an iron discharging port and a charging port are formed in the furnace body. The furnace cover is arranged on the furnace body and seals the furnace body, and comprises an inner furnace cover body and an outer furnace cover body, and an electrode hole for allowing the electrode to penetrate is formed in the inner furnace cover body. The electrode movably penetrates the electrode hole, and the inner furnace cover body is coaxially sleeved with the outer annular furnace cover body. The inner furnace cover body is in an inverted frustum shape, and the shape of a cavity in the outer annular furnace cover body is matched with the appearance of the inner furnace cover body. A first cooling chamber is formed in the inner furnace cover body, and a first water inlet and a first water outlet communicating with the first cooling chamber are formed in the inner furnace cover body. A second cooling chamber is formed in the outer annular furnace cover body, and a second water inlet and a second water outlet communicating with the second cooling chamber are formedin the outer annular furnace cover body. According to the refining furnace, slag is not likely to be bonded on the furnace cover, the furnace cover is easy to clean, and the service life of the furnace cover is prolonged; and the cooling effect is good, and repairing is convenient.

The invention discloses a kitchen air conditioning system. The kitchen air conditioning system comprises an air conditioning unit, a compressor, a condenser, an evaporator and a fan, the air conditioning unit is provided with an air inlet and an air outlet, and the evaporator and the fan are installed in the air conditioner unit; and the kitchen air conditioning system is characterized in that thecompressor and the condenser are arranged below a kitchen bench top, a condenser water inlet pipe and a condenser water outlet pipe are arranged on the condenser, the condenser water inlet pipe is used for being communicated with a cold water inlet pipe which is arranged below a water tank arranged on the bench top, and the condenser water outlet pipe is used for being communicated with a drain pipe below the water tank. The kitchen air conditioning system has the advantages that the compressor and the condenser are arranged below the kitchen bench top, so that the size of the air conditioning unit is reduced; and in addition, the condenser water inlet pipe of the condenser is communicated with the cold water inlet pipe which is below the water tank, the water outlet pipe of the condenseris communicated with the drain water pipe which is below the water tank, and therefore water-cooling heat dissipation can be carried out on the condenser through external cold water, and the water-cooling heat dissipation effect is good.

The invention discloses efficient water-cooling heat dissipation liquid for computers. The efficient water-cooling heat dissipation liquid is prepared from distilled water, benzotriazole, ethyl alcohol, potassium borate, triethanolamine, potassium phosphate, potassium permanganate, potassium carbonate, polymethylacrylic acid, trisodium phosphate, calcium chloride, potassium hydroxide and propyleneglycol. Compared with the prior art, the efficient water-cooling heat dissipation liquid prepared according to the formulation and the method has advantages of high efficiency in heat conduction, quickness in heat absorption and heat dissipation in radiators, improvement of water-cooling heat dissipation performances of the computers and high popularization and application values.

The invention relates to the technical field of generators, in particular to a double-stator generator. The technical problems that the heat dissipation effect is poor, noise cannot be removed, and waste gas emission causes pollution are solved. In order to solve the technical problems, the double-stator generator is provided, the double-stator generator is composed of a heat dissipation and noise reduction mechanism and a waste gas purification mechanism, heat dissipation can be conducted on the generator when the generator works through a heat dissipation box, a semiconductor refrigerator and a refrigeration ring pipe, and the refrigeration ring pipe is wound on a supporting plate, so that heat dissipation is conducted on the generator when the generator works. The shock absorber, the partition plate and the shock absorption spring can protect and absorb shock when the generator works, noise can be effectively prevented from being transmitted out through the storage box and sound insulation cotton arranged in the storage box, pollution to the environment is prevented, waste gas generated when the generator works is filtered and disinfected through the filter screen, and the waste gas is prevented from being polluted. And waste gas can be cooled through the interior of the heat dissipation box and then discharged, and a connecting ring, a sliding block and a clamping block are arranged, so that the filter screen can be conveniently disassembled and replaced.

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 portable modular surveying and mapping data acquisition device, and belongs to the technical field of data acquisition, the portable modular surveying and mapping data acquisition device comprises an acquisition machine body, a base and a mounting seat, a telescopic rod is arranged on the base, an outer protective shell is fixedly mounted at the top end of the telescopic rod, and a driving motor is fixedly mounted in the outer protective shell; a mounting seat is fixedly mounted at one end of an output shaft of the driving motor, a collecting machine body is arranged in the mounting seat, and a water taking assembly is fixedly mounted at the top of the collecting machine body; according to the device, the water taking assembly is arranged outside, the water taking assembly can achieve the natural water taking function, the design is ingenious, the traditional heat dissipation structure design is abandoned, water taking can be conducted through heat generated by working of the device, the obtained water source can be reversely supplemented to the device, the good water cooling heat dissipation effect is provided for the device, and the water-cooling heat dissipation effect and the water-cooling heat dissipation effect supplement each other; the use effect of the device is greatly improved, electric energy is not consumed additionally, the collected water source can be used for cleaning the outside of the device, and the use effect is good.

The invention discloses a rack type server main board based on a Loongson 3A4000. A plurality of groups of mounting through holes are formed in a main board base; the main board base is fixedly mounted on a main board mounting box through mounting bolts; a Z-shaped bracket is fixedly mounted on the main board base through the mounting bolts; the upper end of the U-shaped bracket is fixedly connected with a mounting support plate; and chutes are formed in vertical plates at the two ends of the U-shaped bracket. The mounting support plate is connected to the main board base through the mountingbolts; a cooling pipe connecting base is connected into the U-shaped bracket in a sliding mode. A server mainboard is convenient and fast to mount and dismount, later overhaul and maintenance of the mainboard are facilitated, the heat dissipation effect of the mainboard is improved by arranging air cooling and water cooling heat dissipation, and therefore the use performance of the mainboard is improved, the cleaning brush is arranged to clean and remove dust on the mainboard, and the service life of the mainboard is guaranteed.

The present invention discloses a tube extruding eye die for production of wires and cables. The eye die comprises first installation support arms, a die core, a vacuum pump and a die sleeve. The diecore is installed at the central location of one end of the internal portion of the die sleeve, one end, close to the die sleeve, of the die core is provided with a long-tube die core nozzle, a putting groove is arranged at the center location of the internal portion of the die core at one end, far away from the die sleeve, of the long-tube die core nozzle, the top end and the bottom end at one end, far away from the die sleeve, of the die core are both provided with the first installation support arms, a mold cavity is arranged at one end, close to the die core, of the internal portion of theside wall of the die sleeve, a cooling water tube is uniformly winded at the internal portion of the side wall of the die sleeve at the outer side of the mold cavity, the vacuum pump is installed atthe center location of the top end of the die sleeve, and the output end of the vacuum pump communicates with the internal portion of the die cavity through a connection tube. Through installation ofthe first installation support arms, the second installation support arms and a fixed bolt, the device is convenient to be fixedly installed with corresponding devices so as to enhance the functionality of the device.

The invention provides a high-efficiency motor heat dissipation device for ocean engineering, belongs to the technical field of ocean engineering, and solves the problem that an existing heat dissipation device is poor in heat dissipation effect. The high-efficiency motor heat dissipation device for ocean engineering comprises a shell and a motor body, a base is bolted to the bottom of the inner wall of the shell, a storage groove is formed in the top of the base, the motor body is located above the placement groove, a cooling cavity is formed in the base, a box is bolted to the bottom of the shell, and a water tank is arranged in the box. A micro water pump is fixed to the left side of the bottom of the inner wall of the box body, the right side of the micro water pump communicates with the water tank, the top of the micro water pump communicates with a liquid pipe, and one end of the liquid pipe penetrates through the base and extends into the cooling cavity. According to the invention, when the working temperature of the motor is too high, the motor is subjected to effective heat dissipation treatment in various heat dissipation modes, so that the motor is kept in a reasonable temperature range, and parts in the motor are protected from being damaged due to too high temperature.

The invention discloses a cooling structure for robot stirring friction welding. The cooling structure comprises a driving shell, a single-chip microcomputer, a box body and a water cooling block; a first water outlet pipe is arranged at the middle position of the top end of the driving shell, and the top end of the first water outlet pipe is fixedly provided with a first connecting pipe through afirst flange plate; a liquid injection port is formed in one end of the top of the driving shell, the water cooling block is installed above the driving shell, and the interior of the first connecting pipe is in communication with the interior of the water cooling block; and a box body is installed below the water cooling block, and the top end of the interior of the box body is in communicationwith the interior of the water cooling block through a second connecting pipe. According to the cooling structure, a fan is installed, so that the device is capable of achieving a good heat dissipation effect on a heating end metal conductor, and the heating end metal conductor is prevented from affecting the working effect of a refrigeration end metal conductor of the device due to the fact thatthe heat dissipation is too slow, and therefore the use effect of the device is further improved.

The invention relates to the technical field of network switches, and discloses a network switch with an anti-electromagnetic interference function, which comprises a main shell, a heat dissipation device is arranged in the main shell, a bottom plate is fixedly mounted at the bottom of the main shell through screws, and the heat dissipation device comprises a circulating pipe, a water pump and a promoting device. And a circulating pipe is arranged on the upper side of the interior of the main shell, a water pump is fixedly installed on the circulating pipe, and a promoting device is fixedly connected to the right side of the circulating pipe. According to the network switch with the anti-electromagnetic interference function, through the cooperation among the water pump, the circulating pipe, the spacer and the branch pipe, the purpose of carrying out water-cooling heat dissipation on the interior of the network switch is achieved, the branch pipe is arranged on the outer side of the main shell, and the head of the branch pipe is in a spherical shape; and when the water flow in the circulating pipe flows into the branch pipe, efficient heat dissipation is carried out, the water-cooling heat dissipation effect is further improved, and therefore the problem that the service life is short is solved.

The invention discloses a multi-inductor water cooling device, which comprises a shell and water cooling pipes. The shell comprises an upper opening and a lower opening and is placed on the water cooling plates, and an inductor is placed in a cavity formed by the shell and the water cooling plates; the water cooling pipes are arranged in all the wall faces of the shell. The multi-inductor water-cooling device can be applied to high-power application occasions, the water-cooling heat dissipation effect is better than that of natural cooling and air cooling, noise is avoided, the multi-inductor water-cooling device is not limited by environments, and the reliability and operation stability of devices can be effectively guaranteed. The shell is designed according to the shape of inductors, and a plurality of inductors share one shell, so that a certain space is saved, and high power density is realized. An inductance lead is connected with a flexible braided copper strip, so that the inductance lead can be led out from an outlet more conveniently.

The invention discloses a rack-type server mainboard based on Loongson 3A4000. The mainboard base is provided with several sets of installation through holes, and the mainboard base is fixedly installed on the mainboard installation box through the installation bolts. A Z-shaped bracket is fixedly installed on the main board base through the mounting bolts, the upper end of the U-shaped bracket is fixedly connected with a mounting support plate, and slide grooves are arranged on the vertical plates at both ends of the U-shaped bracket. The mounting support plate is connected to the main board base through mounting bolts, and the cooling pipe connection seat is slidably connected in the U-shaped bracket. The server main board of the present invention is convenient and quick to install and disassemble, which is beneficial to the maintenance and repair of the main board in the later stage. , setting air cooling and water cooling to improve the heat dissipation effect of the motherboard, thereby improving the performance of the motherboard, cleaning and removing dust from the motherboard by setting a cleaning brush to ensure the service life of the motherboard.

The invention discloses a storage tank for chemical production. The storage tank for chemical production comprises a storage tank body, a cooling water tank, supporting legs, a collection guide ring, a collection guide port, an annular filter screen, a mounting seat, a large bevel gear with a shaft, an upper stirring paddle, a small bevel gear with a shaft, a first gear, a gear ring, an upper support ring, a hollow scraper, a lower support ring, a power generation part and a control part, the vertical cooling water tank is connected to the outer wall of the storage tank body in a sleeving mode, a plurality of vertical supporting legs are fixed to the bottom end of the cooling water tank, the horizontal collection guide ring is fixed to the top of the cooling water tank, the vertical collection guide port penetrates through the left portion of the collection guide ring, and the horizontal annular filter screen is fixed to the top end of the cooling water tank. Rainwater is efficiently utilized, the purpose of water cooling is achieved, meanwhile, the rainwater can be utilized for power generation, the multiple functions of automatic drainage, automatic water storage and automatic cleaning are achieved through the rainwater, and the device is more environmentally friendly and efficient.

The invention discloses a ten-path medium-power shielding device capable of avoiding a sparking phenomenon. The shielding device comprises a shielding device body, four pedestals which are symmetrically arranged in pairs are fixedly mounted at the bottom of the shielding device body, and a transverse partition plate is fixedly mounted in the shielding device body. The shielding device is reasonable in design and good in practicability, effective air cooling heat dissipation can be conducted on the interior of the shielding device body, effective water cooling heat dissipation can also be conducted on the interior of the shielding device body, when air cooling heat dissipation and water cooling heat dissipation are conducted on the interior of the shielding device body at the same time, the heat dissipation effect is better, the heat dissipation efficiency is higher, and the ignition phenomenon caused by gradual rising of the internal temperature of the shielding device body is avoided; and two air inlet holes and two air outlet holes can be blocked when the shielding device body is used in a humid air environment or in cloudy and rainy days, so the effective waterproof and moistureproof effects can be achieved, and the sparking phenomenon caused by short circuit due to the fact that water vapor enters the shielding device body is avoided.

The invention discloses a metal plate mold with a heat dissipation function. The metal plate mold with the heat dissipation function comprises a lower mold body, a heat dissipation cavity, a mold cavity and an upper mold body. The upper mold body is installed at the top end of the lower mold body, the mold cavity is arranged between the upper mold body and the lower mold body, the heat dissipationcavity is arranged on the side, close to the mold cavity, of the top end of the interior of the lower mold body, and communicating water cooling heat dissipation pipes are uniformly arranged in the heat dissipation cavity. A water inlet communicating with the water cooling heat dissipation pipes is arranged at one end of one side of the lower mold body, and a water outlet communicating with the water cooling heat dissipation pipes is arranged at the other end of one side of the lower mold body. By installing fixed supporting feet, first fixing bolts, a mounting base and third fixing bolts, the upper mold body and the lower mold body can be conveniently fixed and installed on corresponding mechanical equipment according to the needs of a user, thus the functionality of the metal plate moldwith the heat dissipation function is enhanced, and long-term popularization of the metal plate mold with the heat dissipation function is facilitated.

The invention discloses a motor cooling assembly for a submersible water pump, which includes a cylinder shell, a heat dissipation base and a docking clamping tube. A motor is fixedly installed on the outer surface of the lower end of the cylinder shell, and the heat dissipation base is fixedly sleeved outside the bottom of the motor. On the surface, the inner surfaces of both ends of the heat dissipation base are fixedly sleeved with cylindrical pipe heads, and one end of the heat dissipation base is provided with a sealing cover, and the heat dissipation base and the sealing cover are connected through the cylindrical pipe head. The docking tube is fixedly sleeved in the middle of the side outer surface of the sealing cover, the outer surface of one end of the docking tube is fixedly installed with a first threaded ring, and the outer surface of the other end of the docking tube is fixedly installed with a connecting card seat A motor cooling assembly for a submersible water pump according to the present invention can make the motor cooling assembly for a submersible water pump have an auxiliary heat dissipation structure to improve its heat dissipation effect, and at the same time make it have a spliced ​​combined fixed structure to increase its scope of application.

The invention discloses a big data cloud computing all-in-one machine which comprises an all-in-one machine box body and a data cloud processor; the four corners of the bottom end of the all-in-one machine box body are each provided with a convenient-to-move structure, a keyboard is arranged on one side of a display panel, the two ends of the keyboard are each provided with a movable matching rod, and one side of each movable matching rod is provided with an assembly frame. Three limiting grooves are formed in the bottom face of a sliding rail. And the data cloud processor is installed in the middle of the interior of the all-in-one machine box body, the tail end of a heat dissipation cooling pipe is connected with a load-bearing heat dissipation box, and a circulating water pump is installed above the load-bearing heat dissipation box. Cooling water can be fully circulated through the circulating water pump by arranging the heat dissipation cooling pipe, meanwhile, heat in the data cloud processor can be taken away by tight attachment between the data cloud processor and the heat dissipation cooling pipe, and meanwhile, the bearing heat dissipation box with the interior being of a layered structure can achieve the effect of a balancing weight, so that the stability of the all-in-one machine can be guaranteed, and the layered structure can prevent cooling water from shaking.

A grain groove cooling bed machine comprises a frame, a belt transmission system, a charging hole, a discharge hole, a mixing machine and a bending machine. A tank is installed in the middle of the belt transmission system; a water inlet is arranged in the front part of the water tank; a water outlet is arranged at the rear part of the water tank; and three temperature detectors are arranged between the mixing machine and the bending machine. The invention adopts a water cooling way, which has advantages of no direct contact with steamed materials, no pollution to the materials, insurance of purity of the material, and good water cooling effect.

The invention provides an intelligent sound-control brushless direct current motor, and relates to the technical field of motors. The intelligent sound control brushless direct current motor comprises a motor shell and an electric control bin, wherein the electric control bin is arranged above the motor shell, a stator is arranged in the motor shell, a winding is arranged in the stator, a permanent magnet rotor is rotatably arranged in the stator, a rotating shaft is arranged in the permanent magnet rotor, and the two ends of the motor shell are provided with an end cover and a sealing cover respectively. According to the invention, an electric control bin is arranged on a motor shell, a microphone receives voice data of an operator under the action of a voice control assembly, an audio recognition chip recognizes audio received by the microphone, reads preset instruction data in a storage and transmits the preset instruction data to a single-chip microcomputer, and the single-chip microcomputer starts an FET circuit according to an instruction, controls a winding to be electrified and opened to generate a magnetic field so as to drive the permanent magnet rotor to rotate, and can start a pulse width modulation chip according to the instruction to control the voltage at the two ends of the winding so as to adjust the rotating speed, so that voice control is facilitated, and more intelligence is achieved.

The invention discloses a rapid cooling device for a circuit board after welding, and relates to the technical field of rapid cooling after circuit board welding. The device comprises a shell heat preservation device, a communication device, a fixing structure, an air cooling heat dissipation device, a placement frame structure, a heat exchange device, a pressurization structure and a water adding structure. The upper surface of a cylindrical support is connected with the lower surface of a heat preservation box body, the lower surface of a dust shielding plate is connected with the upper surface of the heat preservation box body, and a mounting notch is formed in the surface of one side of the heat preservation box body; a pivot rod is connected with the mounting notch, and a rotating ring is mounted on the outer surface of the pivot rod. According to the present invention, by arranging the heat preservation box body and the dust shielding plate, the heat preservation box body can conduct long-time heat preservation on the internal low-temperature environment, so that the internal cooling effect is sustainable, a welded circuit board can be completely cooled through long-time cooling, and the cooling effect is remarkable; the internal temperature is low all the time through the heat preservation box body, so that the energy is efficiently utilized, and the energy consumption is reduced; the dust shielding plate can effectively prevent dust from falling into the circuit board.

The invention relates to the technical field of switches, and discloses an Internet-of-Things switch heat dissipation structure device which comprises a shell, a switch button is fixedly installed on the front portion of the shell, a water tank is fixedly connected to the bottom wall of the interior of the shell, a driving mechanism is arranged in the shell, and a flip cover is rotatably connected to the upper surface of the shell. A plug wire end is fixedly mounted at the rear part of the shell, a main board is arranged in the shell, cooling fins are fixedly mounted on the upper surface of the main board, a fixing mechanism is arranged at the top of the main board, a cooling mechanism is arranged in the water tank, and a cooling groove is formed in the left side of the shell. According to the heat dissipation structure device of the Internet-of-Things switch, heat is dissipated at the same time through the exchangeability of air cooling and water cooling, so that the effect of efficient air cooling and heat dissipation of the switch is achieved, the overall working performance of the switch is improved, the overall heat dissipation performance of the switch is improved, and the network operation speed of the switch is increased.