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 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 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 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 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 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 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.