52results about How to "Active cooling" patented technology

The invention provides a rotary electric machine capable of effectively cooling permanent magnets and coils with a simple structure. The rotary electric machine (10) comprises a rotor (20) which has arotor core (21), a plurality of permanent magnets (22) disposed on the rotor core (21), and an end plate (23) disposed so that the inner side surface (23a) contacts an end surface of the rotor core (21); a stator (30) comprising a stator core (31) and a coil (32) disposed on the stator core (31). The stator (30) is disposed on the outer peripheral side of the rotor (20) so as to face the rotor (20). A housing (50) accommodates the rotor (20) and the stator (30) and has a reservoir (51) for storing the liquid therein. The lower part of the rotor (20) is immersed in the reservoir (51). On the end plate (23), a radially extending liquid guide groove (23c) or liquid guide hole (23f) is provided on the outer surface (23b).

An electric straddled vehicle which has, despite the fact that the vehicle is a lightweight and inexpensive vehicle using a small-sized, highly versatile motor, the balance of weight in the left-right in the width direction of the vehicle relative to the vehicle body centerline is optimized. An electric motor (250) is disposed within a cantilever swing arm (214) at a position at which, when viewed from a side of the vehicle body, the electric motor is superposed on the region in which a rear wheel (WR) is projected. A motor driver (216) is disposed within the swing arm (214) so as to straddlethe vehicle body centerline (C) at a position in front of the rear wheel (WR) relative to the vehicle body. The motor driver (216) is disposed in such a manner that the position (G2) of the center ofgravity thereof is offset to the side opposite to the side to which the electric motor (250) is offset from the vehicle body centerline (C). The motor driver (216) is provided behind a rocking shaft (215) relative to the vehicle body at a position close to the rocking shaft (215) and is inserted and mounted to a recess (308) open to the upper surface side of the swing arm (214). An FET (316) for conducting and interrupting an electric current to the motor is at least supported on the lower surface of a lid member (264) of the motor driver (216).

The invention relates to a structure of a turbo-intercooler of an engine, which provides with a turbo-intercooler exhibiting a rectangular form, which the width of the vehicle extends after. Additionally the turbo-intercooler is arranged in the front bumper, so that it overlaps with the lower range of the motorcar radiator, if one regards the vehicle from the front, whereas the upper end of the turbo-intercooler is lower positioned than the upper end of the opening range. The turbo-intercooler and the transmission are in such a way arranged that they overlap themselves mutually, if one regards them from the front of the vehicle out. An inlet range and a passage of the inlet side of the turbo-intercooler are arranged to the engine side, and a discharge opening range and a passage of the discharge opening side of the turbo-intercooler are arranged to the transmission side. The top side of the engine is on a higher level than the upper range of the motorcar radiator. The top side of the transmission is on a higher level than the upper end of the turbo-intercooler, however far down than the upper range of the motorcar radiator. In this way the wind, which flowed through the turbo-intercooler, is led there through to the rear, along the surface of the transmission case. Therefor, the discharge opening side of the turbo-intercooler can be cooled efficiently.

The invention provides a high-thermal conductivity insulating film. The high-thermal conductivity insulating film comprises the following components in percentage by weight: 60-90% of polypropylene material and 40-10% of a high-thermal conductivity material. A common insulating film is added with the material with a high heat conductivity coefficient, so that the insulating film has the dual characteristics of high heat conductivity and insulativity, has a good insulating function and can actively dissipate heat when the battery generates heat, and the safety performance of the battery is improved, and the bottom portion of the insulating film is provided with a plurality of through holes to facilitate electrolyte infiltration without influence of the performances of the battery, and the preparation method is simple and easy to operate.

The present invention discloses a damp-proof power distribution cabinet for rainy areas. The cabinet comprises a shell, an installation chamber is arranged in the shell, ventilation openings are formed in the inner walls of the two sides of the installation chamber respectively, a filter screen is installed in each ventilation opening, a sliding groove is formed in the inner bottom of each ventilation opening, a limiting groove is formed in the inner top of each ventilation opening, an activated carbon plate is arranged in each sliding groove, the upper end and the lower end of each activated carbon plate are fixedly connected with sliding strips, and each sliding strip is slidably connected with the inner wall of the corresponding sliding groove. According to the power distribution cabinet, the activated carbon plate can be lifted in rainy days, active heat dissipation is carried out while wet air is dried, the heat dissipation effect is good, a heat collection structure is further arranged, collected heat can be used for evaporation of water on the drying layer after raining, and the drying effect of the drying layer is guaranteed.

The invention discloses an integrally-formed arc type milling cutter. The milling cutter comprises a connecting head, a liquid inlet, a connecting rod, a work head, a spiral groove, a cutting edge, adustproof net, an air outlet, a connecting block, a groove, a sponge layer, a liquid guide pipe, a sealing cover and a liquid outlet; the milling cutter has the beneficial effects that the sealing cover is unscrewed from the interior of the liquid inlet, cooling liquid is poured into the liquid guide pipe from the liquid inlet, the sealing cover covers the interior of the liquid inlet, exterior dust can be prevented from entering the liquid guide pipe through the liquid inlet, cooling liquid in the liquid guide pipe enters the sponge layer through the liquid outlet, the sponge layer can absorbthe cooling liquid, the arc type milling cutter is arranged on a knife rest through the connecting head, when the arc type milling cutter cuts a workpiece, a large amount of heat absorbed by the arctype milling cutter can be absorbed by the cooling liquid in the sponge layer, the arc type milling cutter is actively cooled, and the service life of the arc type milling cutter can be prolonged.

The present invention provides a rotary electric machine and a method for manufacturing a rotary electric machine that can efficiently cool a permanent magnet and a coil with a simple structure. A rotary electric machine(10) includes a rotor(20), a stator(30) and a case(50). The rotor includes a rotor core(21), a plurality of permanent magnets(22) disposed in the rotor core(21), and an end face plate(23) disposed such that an inside surface(23a) thereof is in contact with an end face of the rotor core(21). The stator(30) includes a stator core(31) and a coil(32) disposed in the stator core(31), and is disposed on an outer peripheral side of the rotor to face the rotor. The case(50) accommodates the rotor(20) and the stator(30), and includes a storage portion(51) for storing liquid therein.A lower part of the rotor(20) is immersed in the storage portion(51), and a liquid guide portion(60) is provided on an outside surface(23b) of the end face plate(23) to extend in a radial direction.

The present invention relates to a device for turning rod-shaped articles in the tobacco processing industry, and particularly turning cigarettes. The device comprises a turning roller, the turning roller comprises a roller shaft driven by a roller driving device and at least one turning sector, the turning sector comprises at least two containing parts for rod-shaped articles to be turned, and the turning section can be arranged rotatably by surrounding an axis of a rotation relative to the turning roller, and thereby turning articles in the at least two containing parts parallelly each other when the turning sector rotates. The device is characterized in an electrical driving device that is arranged and constructed for driving at least one turning sector.

The invention discloses a high-flame-retardant high-insulativity fireproof cable which comprises an armor layer, an outer flame-retardant layer and an outer wrapping layer in sequence from outside to inside, a plurality of cable cores are arranged in the outer wrapping layer, and each cable core comprises an inner wrapping layer, an inner flame-retardant layer, a shielding layer, an insulating layer and a conductor in sequence from outside to inside; a first inner protection layer is arranged outside the armor layer, a second inner protection layer is arranged outside the first inner protection layer, and an outer sheath is arranged outside the second inner protection layer; the cable is also internally provided with a heat conduction unit and a heat dissipation unit. The cable provided by the invention has a good heat dissipation effect and a good flame retardant effect.

The invention relates to the technical field of servo drivers, in particular to a heat dissipation structure of a servo driver, which comprises a machine shell. A partition plate for dividing an inner cavity of the machine shell into a first cavity and a second cavity is fixedly arranged in the inner cavity of the machine shell, and a wind shielding assembly for dividing the first cavity into a driver mounting cavity and an air inlet cavity is arranged on the partition plate. The wind shielding assembly comprises an arc-shaped wind shielding plate fixed to the partition plate, flow guiding plates for guiding the air direction are arranged at the two ends of the wind shielding plate, a dust filtering mechanism extending out of the upper end face of the machine shell is arranged in the air inlet cavity, and a heat dissipation plate is installed on the partition plate. The heat dissipation plate is fixedly provided with heat dissipation fins which penetrate through the partition plate and extend into the second cavity, the second cavity is internally provided with a dust cleaning assembly for cleaning the heat dissipation plate in a sliding mode, and the dust filtering mechanism is provided with a pull rope assembly used for pulling the dust cleaning assembly to move. The air cooling heat dissipation efficiency is improved, and interference of dust on equipment is reduced.

The invention discloses a horizontal servo electric control cabinet element layout system comprising a cabinet body (100), a door plate (13) assembled above a cabinet body (100), a driver installing plate (12) and an element installing plate (11), wherein the driver installing plate (12) and the element installing plate (11) are assembled in the cabinet body (100). At least one row of air inlet and outlet grids 105 are arranged at each of two sides of the cabinet body (100), and an air discharge fan (18) is fixed on an upper middle part of the cabinet body (100) which can be used for active heat dissipation of the cabinet body (100); good electric contact performance can be ensured between the cabinet body (100) and the element installation plate (11), between the cabinet body (100) and the driver installing plate (12) and between the cabinet body (100) and an industrial control computer; the cabinet body is connected with a ground wire for external power supply via a rapid connection plug head (17), electromagnetic compatibility of a whole electric control cabinet (10) is improved, the element installing plate (11) and the driver installing plate (12) are smaller than the cabinet body (100) in terms of dimensions in length direction, and the parts can be easily assembled in the cabinet body (100) after being subjected to wiring operation.

The invention discloses a pressing locking type heat dissipation loudspeaker. The pressing locking type heat dissipation loudspeaker comprises a pressing locking mechanism, an abutting locking mechanism is additionally arranged, an annular threaded groove is formed in the periphery of the bottom of the lower base, an annular threaded head is screwed into the annular threaded groove in a threaded mode, extension rods are installed on the two sides of the lower end of the annular threaded head, and an annular abutting plate is jointly installed at the lower ends of the extension rods; in this way, the annular abutting plate rotationally abuts against or is connected to the lower end of the driving rod in a separated mode, positioning of the driving rod is achieved, and the structural stability of the upper shell and the lower base is achieved.

The invention provides a magnetic heat dissipation device. The heat dissipation device comprises an annular sealing pipeline, wherein magnetic liquid is filled in the annular sealing pipeline; the annular sealing pipeline is provided with at least one horn-shaped electrifying solenoid; the annular sealing pipeline comprises at least one heat absorption section and at least one heat dissipation section, and direct current is introduced into the electrifying solenoid. If there are multiple electrifying solenoids on the annular sealing pipeline, the small end of each electrifying solenoid pointsto the clockwise or counterclockwise direction of the annular sealing pipeline, and the current flowing in all electrifying solenoids is in the same direction. The heat dissipation device adopts the horn-shaped electrifying solenoid as power equipment, and works in an active, efficient and silent heat dissipation mode.

The invention provides an intelligent oil-free air source device for a railway vehicle, which solves the problems of poor information interaction effect and the like of an air source device, and comprises a device main body, the device main body is provided with an air filter connected with an air inlet pipeline, the air filter is connected with an air compressor, and a fan in the air compressor is driven by a motor. The air compressor is connected with the cooler and the double-tower dryer through an air outlet pipeline, the air compressor is provided with a fan, the air compressor and the motor are provided with temperature sensing assemblies, and each temperature sensing assembly comprises a first temperature switch arranged in the motor and a second temperature switch arranged in the air compressor. The air outlet pipeline is provided with a pressure sensing assembly, and the temperature sensing assembly, the pressure sensing assembly, the draught fan and the double-tower dryer are connected with the electric cabinet. The system has the advantages of good information interaction effect, stable operation and the like.

The invention discloses a lithium battery connection heat dissipation guide sheet, which is characterized in that a heat conduction plate body is fixedly connected to the outer side of a heat conduction copper rod in a sleeving mode, a cavity is formed in the heat conduction plate body, air holes communicating with the cavity are evenly formed in the outer side of the heat conduction plate body ina penetrating mode, a water cavity is formed in the bottom of a shell, the top of the water cavity is communicated with the cavity through an air pipe, the outer side of the shell is communicated with a second pipeline through a first pipeline, one side of the second pipeline is communicated with an air inlet of an air pump, and the bottom of the water cavity is communicated with a third pipeline. According to the heat dissipation guide sheet, the heat of a battery accommodating groove is absorbed through the heat conduction metal plate, the heat is transferred to the heat conduction plate body through the heat conduction copper rod, and humidified fog is blown into the cavity through the air pipe, so that moisture in the fog can quickly absorb the heat of the heat conduction plate body,and the heat dissipation effect is improved. According to the heat dissipation guide sheet, through the arrangement of the air pump, the heat dissipation guide sheet can dissipate heat actively, and the heat dissipation speed is increased.