59results about How to "Reasonable heat dissipation" patented technology

The invention discloses a multifunctional air compressor which comprises a machine case, an air inlet device, a motor, a pressurization air filter, a compressor, an oil-gas separator, a total heat recovery water heater and a centrifugal gas-liquid separator. The air inlet device, the motor, the pressurization air filter, the compressor, the oil-gas separator, the total heat recovery water heater and the centrifugal gas-liquid separator are arranged in the machine case. Air outside the machine case enters the machine case after dust filtering of a filter bag and noise elimination of a noise elimination pressure relief device, heat in the machine case is collected by a motor cooling heat collection cover and is conveyed into the pressurization air filter through a heat collection and air supply pipe, heat energy of gas and radiation heat energy of equipment are recycled, and cold oil is conveyed to the compressor through an oil return pipe after hot oil in a separator engine oil conveying pipe is cooled by the total heat recovery water heater. According to the multifunctional air compressor, three kinds of heat are recycled, the generated gas rises and is improved by more than 10 percent, gas input is smooth and small in resistance, the whole energy-saving equipment is arranged in the machine case, air for cooling is reduced, cooling electricity consumption is reduced, electricity used by the air compressor is less, and the energy efficiency ratio is high. The good vibration and noise reduction and cooling effects are achieved.

The invention discloses a double-layered fork-shaped radial gas hydrodynamic bearing based on a 3D printing technology. The double-layered fork-shaped radial gas hydrodynamic bearing is composed of two main elements including an integrated variable material bearing body (1) and a top-layer foil sheet (2), wherein the top-layer foil sheet (2) is of a thin-wall non-sealed annular structure, an outward stretching structure is formed at an opening of the top-layer foil sheet (2), and the top-layer foil sheet (2) is fixed with an inner fork-shaped structure of the integrated variable material bearing body (1) by welding or sticking. The integrated variable material bearing body (1) is integrally printed to be molded by applying the 3D printing technology, is a variable material distributed entity, and is mainly composed of four parts including an inner fork-shaped structure (3), an inner annular non-closed structure (4), an outer fork-shaped structure (5) and an outer annular closed structure (6) from inside to outside. A double-layered fork-shaped complicated structure of the bearing can meet relatively large rigidity and can obtain a relatively large bearing capability. The structure has deformation of a plurality of positions and has relatively large damping, and furthermore, relatively large coulomb damping exits between the inner layer fork shape structure and the top-layer foil sheet in a working process, so that the bearing has a relatively strong anti-impact capability. The double-layered fork-shaped radial gas hydrodynamic bearing has a plurality of hollow structures, so that materials are saved, the cost is reduced, the heat dissipation can also be increased, and the temperature rising of the bearing under high-speed running is reduced.

The invention discloses electric hair clippers and a controlling method. The electric hair clippers comprise a shell (1), an upper cutter blade (2), a lower cutter blade (3), an electric motor (4) and an offset head (5), wherein the upper cutter blade (2), the lower cutter blade (3), the electric motor (4) and the offset head (5) are all arranged on the shell (1); an output shaft (6) of the electric motor (4) is connected with the upper cutter blade (2) by the offset head (5); a heat radiating fin (7) is arranged on the lower cutter blade (3); and a fan (8) for blowing the heat radiating fin (7) is arranged on the output shaft (6) of the electric motor (4). The key points of the method are that two switches are controlled according to room temperature T0 and cutter blade temperature Tx so as to realize switching of working modes of the fan (8). According to the electric hair clippers and the controlling method, the phenomenon that the cutter blades are heated in long-term working state so as to burn the skin can be avoided.

The invention discloses electric hair clippers and a controlling method. The electric hair clippers comprise a shell (1), an upper cutter blade (2), a lower cutter blade (3), an electric motor (4) and an offset head (5), wherein the upper cutter blade (2), the lower cutter blade (3), the electric motor (4) and the offset head (5) are all arranged on the shell (1); an output shaft (6) of the electric motor (4) is connected with the upper cutter blade (2) by the offset head (5); a heat radiating fin (7) is arranged on the lower cutter blade (3); and a fan (8) for blowing the heat radiating fin (7) is arranged on the output shaft (6) of the electric motor (4). The key points of the method are that two switches are controlled according to room temperature T0 and cutter blade temperature Tx so as to realize switching of working modes of the fan (8). According to the electric hair clippers and the controlling method, the phenomenon that the cutter blades are heated in long-term working state so as to burn the skin can be avoided.

The invention discloses a large-scale video matrix exchange board and video processing board connecting structure which comprises a video matrix switching board, a video input-output processing board and a video channel connecting board. A first video channel connector is mounted at the upper end of one edge of the video channel connecting board and connected with the video matrix switching board, and two second video channel connectors are mounted in the middle of the other edge of the video channel connecting board and connected with the video input-output processing board. The connecting structure can realize a matrix function while having reasonable heat channels for heat radiation, input-output board cards are compatible with board cards for small-scale matrix cabinets, and the connecting structure does not need to be designed solely, thereby being reasonable in structure.

The purpose of the present invention is to provide a dual-shaft dual-motor ship ammonia-electric hybrid power system with waste heat utilization, including ammonia fuel engine, reversible motor, motor, diesel generator set, storage battery, capacitor, fuel cell, propeller, liquid ammonia storage and supply Devices, substation devices, ship power grids, ship loads, ship cooling systems and waste heat systems. The invention can realize the mixed propulsion of the ammonia fuel engine and the motor and the coordinated power supply of the diesel generator set and the energy storage unit, and at the same time realize the multi-stage utilization of the energy storage unit and the engine cold energy, and the waste heat system can realize the multi-gradient utilization of heat energy, reducing the The energy consumption of the ship improves the efficiency of the whole ship and improves the scope of application of the system.

The invention provides a heat dissipation structure of a high-density digital power supply and a power supply assembly. The heat dissipation structure comprises a 3U case, a red copper radiator, a flow guide cover and a vapor chamber radiator, wherein functional modules form a convective heat exchange path in a cavity of the power supply case, the red copper radiator can rapidly exchange heat generated by a rectifier diode and an absorption resistor to the outside of the box body in an air convection mode, the vapor chamber radiator can further rapidly exchange heat generated by an insulated gate bipolar transistor to the outside of the box body in an air convection mode, therefore, the temperature rise of a heat-sensitive device mounting area of a rectifying circuit layout is reduced. Theheat dissipation structure is advantaged in that a heat dissipation channel is redefined and is improved on the basis of an original channel, temperatures of a rectifier diode, a resistor mounting area and an insulated gate bipolar transistor are reduced, and the service life of the device is prolonged; the working temperature of a power tube is reduced, and problems of power tube failure and system high-temperature shutdown protection are effectively solved.

The invention provides a rotating type bulb base which comprises a mounting support, a rotating frame, a bulb fixing cover used for mounting a bulb and a radiating fan, and a driving device. The rotating frame is arranged on the mounting support. The bulb fixing cover is fixedly arranged on the rotating frame. The bulb fixing cover and the rotating frame form a rotating combination which is arranged on the mounting support in a rotating mode. The driving device is connected to the rotating combination and is used for driving the rotating combination to rotate. When the projection direction of the bulb needs to be changed, only by driving of the driving device, the rotating combination body can rotate by 360 degrees freely, accordingly, the bulb is driven to rotate to the needed angle position, meanwhile, the bulb is fixed on the bulb fixing cover, the radiating fan and the bulb arranged on the bulb fixing cover are fixed in arranged position, and therefore even if the projection direction of the bulb is changed, the radiating fan can carry out reasonable radiating at the positions where temperature is highest and lowest in the bulb. The invention further provides a projector with the rotating type bulb base.

The invention discloses a motor controller heat dissipation protection device, which comprises a motor controller and a support. A heat dissipation mechanism and a supporting protection mechanism arearranged on the support. The heat dissipation mechanism is located above the supporting protection mechanism. The supporting protection mechanism mainly comprises a plurality of supporting columns, abaffle and a screen plate. The supporting columns are arranged on the left side and the right side of the support respectively and are separated at equal intervals. Circular through holes corresponding to the supporting columns in position are formed in the upper wall face of the baffle. The baffle is inserted into the supporting columns through the circular through holes. The reasonable heat dissipation can be carried out on the motor controller conveniently when the motor controller is used. The service life of the motor controller is prolonged. The surrounding high-temperature air flow is improved, and the motor controller is convenient to install.

The invention relates to an underground water source radiation plate type air conditioning system, which comprises an underground water radiant ceiling system, a freezing water system and a displacement ventilation system, and is characterized in that the underground water radiation ceiling system comprises an underground water inlet pipe, a life water tank, an air cooler and a ceiling radiation unit; the outlet end of the underground water inlet pipe is divided into a first bypass pipeline, a first bypass branch and a second bypass pipeline; the first bypass pipeline is connected with the ceiling radiation unit, the second bypass pipeline is connected with the life water tank, the first bypass branch is connected with the air cooler, and the water outlet of the air cooler is accessed into the first bypass pipeline; the freezing water system comprises a refrigeration unit and a combined air conditioning unit; the displacement ventilation system comprises the air cooler, the combined air conditioning unit, a plenum box, a 70-DEG C fire protective valve and displacement ventilators. The underground water source radiant panel air conditioning system has the advantages of energy economization and good comfort, and is applicable to buildings taking underground water as a main water supply source in cold regions or regions hot in summer and cold in winter.

The purpose of the present invention is to provide a single-shaft dual-motor marine ammonia-electric hybrid power system, which includes an ammonia fuel engine, a first reversible motor, a second reversible motor, a diesel generator set, a storage battery, a capacitor, a propeller, a storage and supply device for liquid ammonia, Substation device, ship power grid, ship load, third reversible motor, ship cooling system. The ammonia fuel engine is connected to the first reversible motor through a belt crankshaft, and connected to the second reversible motor through a clutch shaft, and the reversible motor is connected to a gear box through a clutch to drive a variable-pitch propeller. The first reversible motor and the second reversible motor are connected to the ship power grid through two energy feeding circuits. The invention can realize the mixed propulsion of the ammonia fuel engine and the motor and the coordinated power supply of the diesel generator set and the energy storage unit, and at the same time realize the multi-level utilization of the energy storage unit and the cold energy of the engine, reduce the energy consumption of the ship, improve the efficiency of the whole ship, and improve the efficiency of the whole ship. the scope of application of the system.

The invention discloses a wall-hanging desk-type integrated computer, and mainly relates to the field of computers. The wall-hanging desk-type integrated computer comprises an integrated computer body, a wall support and a cooling device, air inlet holes and air outlet holes are formed in the back of the integrated computer body, an adjusting gear is arranged in the wall support, the cooling device comprises a computer body connection part, a middle connection part and a vertical connection part, the computer body connection part is detachably connected with the integrated computer body, a cooling fan is arranged inside the middle connection part, veering teeth which are matched with the adjusting gear are arranged at the top of the vertical connection part, the bottom of the vertical connection part is hinged to the bottom face of the wall support, and vent holes are formed in the outer side face of the vertical connection part. The wall-hanging desk-type integrated computer has the advantages that when the desk-type integrated computer serves as a television, the integrated computer body can be conveniently hung on the wall, the angle of a display screen of the integrated computer body can be adjusted according to needs, it is avoided that the screen of the television reflects light, and watching is more convenient and comfortable; heat dissipation and cooling can be more reasonably and effectively conducted.

The invention discloses a three-dimensional LED circuit board and an LED illumination device which are used in the technical field of LED illumination. The LED illumination device comprises a lamplight housing. A connecting pillar is arranged at the bottom of the lamplight housing. A lamp holder is arranged at the bottom of the connecting pillar. A contact is arranged at the bottom of the lamp holder. The left side and the right side of an inner chamber of the lamplight housing are each provided with a support plate. The two support plates are the same in structure. According to the three-dimensional LED circuit board and the LED illumination device, through cooperation between a heat dissipation hole and a heat dissipation fan, heat generated in the LED illumination device can be conducted out in time; meanwhile, when the LED illumination device is used for a long time, a good heat dissipation effect can still be guaranteed, and the situation that the heat is not dissipated in time due to heat storage is avoided; and a central processor is electrically connected with the heat dissipation fan, the heat dissipation fan can be controlled to work and stop through the central processor, thus heat dissipation of the heat dissipation fan can be controlled, it is guaranteed that the heat dissipation fan can conduct heat dissipation reasonably, and energy is saved.