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 is a computer chip cooling device that reduces the temperature by solute dissolution, which comprises: a liquid storage tank holding the solute solution, many radiating ribs installed on the radiating surface of the liquid storage tank and a cooling fan installed above the radiating surface; a condenser can also be installed between the radiating surface and the radiating fan, and radiating ribs are installed on the external surface of a condenser casing; a cold end of the condenser casing is connected with the inlet of a micro pump, and the outlet of the micro pump is connected with the liquid storage tank; a hot end of the condenser casing is connected with the liquid storage tank; an elastic valve is hung on the top in the liquid storage tank; its manufacture technique is simple and it has the advantages of wide controllable temperature range, high radiating speed, operating simplicity, structure simplicity, low cost, etc; and it can meet the requirement of computer application with the daily increase of heating density.

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 relates to a housing device for a motor (such as a motor and / or a generator), comprising a housing (110) having a stator holding area (120); a stator (140) arranged in the stator holding area (120) of a housing (110); and a cooling sleeve (130) configured for liquid cooling of a stator (140), wherein the outer wall of the stator (140) forms an internal cooling sleeve surface of the cooling sleeve (130).

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 mainly relates to the technical field of fireproof coatings, in particular to an environment-friendly fireproof coating and a preparation method thereof.The environment-friendly fireproof coating comprises a coating base material and a fire extinguishing agent microcapsule, and the fire extinguishing agent microcapsule is broken after being exposed to the temperature not lower than 75 DEG C and / or an open fire environment and can be vaporized to release a fire extinguishing material to achieve the purposes of cooling and / or fire prevention and / or fire extinguishment. In order to break through the current situation that the traditional fireproof, fire-extinguishing and flame-retardant coating can only prevent spreading of an ignition area but is difficult to sensitively and actively extinguish fire in a short time, the invention provides a plurality of coatings and / or coating films which can actively cool, prevent fire and extinguish fire, have short response time, stably exist fire-extinguishing components in the coatings and / or coating films and can be repeatedly triggered to extinguish fire.

The invention provides a router. The router comprises a router body; a phase change heat dissipation piece which comprises a phase-change material and an outer packaging shell for packaging the phase-change material and is in contact with the router body, wherein the phase-change material absorbs the heat emitted by the router body and generates phase change when the phase-change material reachesthe phase-change temperature, and the phase-change material subjected to phase change exchanges heat with the outside. According to the scheme, the heat exchange of the router body is achieved throughthe heat absorption and heat dissipation of the phase-change heat dissipation piece, and due to the fact that the phase-change material in the phase-change heat dissipation piece can absorb and release a large amount of latent heat, the active and rapid heat dissipation of the router body is achieved.

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 provides a high voltage distribution box, which relates to the field of automotive high voltage electrical systems. The high voltage distribution box comprises a box body, a fan bottom bin, a fan, a mounting plate, a heating device, a fan switch, and a temperature detection device, wherein the side surfaces of the box body are provided with air outlets; the fan bottom bin is fixedly connected with the box body; the box body and the fan bottom bin form accommodating space; the fan is arranged in the accommodating space and is fixedly arranged on the fan bottom bin; the mounting plate is arranged above the fan, and the mounting plate is fixedly connected with the box body; the heating device and the fan switch are fixed on the mounting plate; the temperature detection device is arranged in the accommodating space; and the temperature detection device and the fan switch are respectively connected with a battery management system. The temperature in the accommodating space is detected through the temperature detection device, the battery management system judges the temperature, if the temperature is higher than a preset value, the fan works, air enters from air inlets and air is exhausted from the air outlets in the side surfaces of the box body, or otherwise, the fan stops working. Thus, the fan can be prevented from being in a constant working state, the temperature in the high voltage distribution box can be effectively reduced, and the service life of an electrical device can be prolonged.

The invention discloses a magnetorheological fluid damper with an active heat dissipation function, and belongs to the technical field of dampers. According to the magnetorheological fluid damper, through arrangement of a linkage rack, a supporting rotating shaft and a linkage gear, when the damper works, movement of a piston head can enable the polarity of the end, close to a thin-skin sealing sleeve, of a driving and adjusting magnet to continuously turn, so that the direction of the magnetic acting force between the driving and adjusting magnet and an embedded magnet is continuously changed, then the end, in contact with a magnetorheological fluid, of a heat dissipation rod can continuously move to the outside of a cylinder body and is in direct contact with air with a relatively low external temperature, then heat dissipation can be actively carried out, the heat dissipation efficiency of the damper is greatly improved, and the damper is prevented from being damaged due to temperature sensing; and when the damper is in a working state for a long time, an elastic balloon can be heated to expand, and a refrigerating ball is extruded into water in an annular cavity, so that a refrigerating effect is provided based on the characteristic that a large amount of heat can be absorbed when saltpeter is dissolved in the water, and then the heat dissipation efficiency of the damper can be further improved.

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 moisture-proof power distribution cabinet for rainy areas, which comprises a casing, and an installation chamber is arranged inside the casing, and ventilation openings are arranged on the inner walls of both sides of the installation chamber, and each of the ventilation openings is installed There is a filter screen, the inner bottom of each vent is provided with a sliding groove, the inner top of each vent is provided with a limiting groove, each of the sliding grooves is provided with an activated carbon plate, and each of the vents The upper and lower ends of the activated carbon plate are fixedly connected with sliding bars, and each of the sliding bars is slidably connected with the inner wall of the corresponding sliding groove. The power distribution cabinet will raise the activated carbon plate in rainy days to dry the humid air and actively dissipate heat. The evaporation of water on the drying layer ensures the drying effect of the drying layer.

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.

Provided is an electric vehicle that realizes a light electric straddled vehicle using a motor with a small size, and optimizes the left and right weight balances in the width direction of the vehicle with respect to the vehicle body centerline. The electric motor (250) is disposed inside a swing arm (124) of a cantilever type at a position overlapping a projection area of a rear wheel WR when seen from the side portion of the vehicle body. The motor driver (216) is disposed inside the swing arm (124) so that the vehicle body centerline (C) passing through at the front side of the vehicle body in the rear wheel (WR). The position (G2) of the center of gravity of the motor driver (216) is disposed to be offset in the direction opposite to the offset direction of the electric motor (250) with respect to the vehicle body centerline (C).

The present invention provides a rotating electric machine capable of efficiently cooling permanent magnets and coils with a simple structure, and a method of manufacturing the rotating electric machine. A rotating electric machine (10) includes a rotor (20) having a rotor core (21), a plurality of permanent magnets (22) arranged on the rotor core (21), and an inner surface (23a) arranged so that the rotor core ( 21) an end plate (23) in contact with the end surface; a stator (30) having a stator core (31) and a coil (32) disposed on the stator core (31), and the stator is on the outer periphery of the rotor (20) The side is arranged to face the rotor (20); and the casing (50) accommodates the rotor (20) and the stator (30), and has a storage part (51) storing liquid therein. The lower part of the rotor (20) is immersed in the storage part (51), and the liquid guide part (60) extending in the radial direction is provided on the outer surface (23b) of the end plate (23).

The invention discloses a heat dissipation device, comprising an output seat, a cavity is arranged inside the output seat, a pinch tube is plugged into the upper end of the output seat, a heat conduction component is clamped and installed in the output seat, the output seat The upper end of the seat is provided with an air outlet, the air outlet is located above the heat conduction assembly, and the air outlet communicates with the heat conduction assembly, the lower end of the heat conduction assembly is fixedly installed with a heat dissipation assembly, the heat conduction assembly communicates with the heat dissipation assembly, and the rotating The upper end of the shaft passes through the heat conduction assembly and the heat dissipation assembly and is located in the pinch tube. The lower end of the rotating shaft is fixedly equipped with a clutch cup. The clutch cup is provided with an air inlet hole, and the partition plate is provided with a vent hole. In the present invention, the heat conduction component is communicated with the heat dissipation component and the air outlet is connected with the heat conduction component to form an air duct, which achieves the effect of integrated heat dissipation, can dissipate heat quickly, and integrates it into the output shell, saving space and making it more convenient to carry .

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 present invention provides a rotating electrical machine capable of efficiently cooling permanent magnets and coils with a simple structure. A rotating electric machine (10) includes a rotor (20) having a rotor core (21), a plurality of permanent magnets (22) arranged on the rotor core (21), and an inner surface (23a) arranged so that the rotor core ( 21) an end plate (23) in contact with the end surface; a stator (30), which has a stator core (31) and a coil (32) configured on the stator core (31), and the stator (30) is placed on the rotor (20 ) is disposed so as to face the rotor (20); and a housing (50) that accommodates the rotor (20) and the stator (30) and has a storage portion (51) that stores liquid inside. The lower part of the rotor (20) is immersed in the storage part (51), and on the end plate (23), a liquid guide groove (23c) or a liquid guide hole (23f) extending radially is provided on the outer surface (23b).

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.

An actively radiating battery pack charging / discharging control system provided by the present invention comprises a microcontroller, a signal acquisition device, a charging / discharging control circuit and a synthetic jet drive circuit, and the signal acquisition device comprises a voltage collector and a current collector of a battery pack, a stabilization sensor arranged inside a battery box body and a voltage sampling circuit connected with a synthetic jet device. The output end of the signal acquisition device is connected with the input end of the microcontroller via an A / D converter, and the output end of the microcontroller is connected with the charging / discharging control circuit and the synthetic jet drive circuit. The synthetic jet drive circuit comprises a drive circuit connected with the output end of the microcontroller, an inverter circuit connected with the battery pack and a filter circuit connected with the output end of the inverter circuit, and the output end of the filter circuit is connected with the synthetic jet device. According to the present invention, the synthetic jet device radiates the heat in the interior of a battery box actively, thereby improving a heat radiation effect, and prolonging the service life of a battery.

The invention discloses a wooden mobile phone holder with an earphone winding device, which comprises a wooden cuboid base, and a square mobile phone slot for placing a mobile phone is arranged in the base, and the mobile phone slot runs through the left and right sides of the base. The front of the base is provided with a square opening connected to the mobile phone slot, the height of the square opening is consistent with the height of the mobile phone slot, and the corners of the square opening are provided with baffles; the top of the base is fixed with an earphone winder A cooling tank is provided on the back of the base, and a cooling device is installed in the cooling tank, and a number of ventilation holes connected to the cooling tank are also provided in the mobile phone tank. The invention provides a wooden mobile phone holder with an earphone wire winder to realize the simple and fast fixed placement of the mobile phone, configure the wire winder for the mobile phone holder, and simultaneously actively dissipate heat from the mobile phone.