52results about How to "Active cooling" patented technology

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 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).

A circuit device which enables formation of a minute pattern while securing a current capacity and has excellent heat release properties, and a manufacturing method thereof are provided. In a circuit device of the present invention, among multiple wiring layers, a first wiring layer is formed of a thin first conductive pattern and a thick second conductive pattern. Therefore, formation of the minute patterns is realized while securing the current capacity. Moreover, a small-signal circuit element is mounted on the first conductive pattern, and a large-current circuit element is mounted on the second conductive pattern. Thus, circuit elements having different sizes of currents to be handled are mounted on the same board. Furthermore, heat release properties are improved by the second conductive pattern which is formed to be thick.

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 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 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.

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).

A fast heat dissipation LED lamp, comprising a lower housing, a fan device, an upper housing device, a baffle device, a light emitting device, a flow guide device and a power supply device, the lower housing is provided with pins, a first fixing rod, a second A through hole, a first cross bar, and bolts, the fan device includes a fan frame, a first pipe, a fan, a second fixing rod, a third fixing rod and a first fixing ring, and the upper casing device includes an upper casing and a first bracket , flat glass, a first fixed block, a second cross bar and an air outlet pipe, the baffle device includes a first vertical bar, a first spring and a baffle, and the light emitting device includes a lens element, an LED lamp, an aluminum substrate, a closing plate, a second The fixed block, the support ring, the flow guide device includes a filter frame, the water tank, the first connecting rod, the second connecting rod, the guide block and the third connecting rod, the power supply device includes a fixed frame, a curved plate, a power module and cables, the The invention can effectively dissipate heat for the heating element in the LED lamp, and the heat dissipation effect is good and fast.

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 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).

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.