49 results about "Mechanical fan" patented technology

The invention discloses a semiconductor refrigerating module provided with solid-state fans. The semiconductor refrigerating module comprises semiconductor refrigerating pieces and heat dissipation assemblies. The hot end faces and the cold end faces of the semiconductor refrigerating pieces are provided with the heat dissipation assemblies respectively. At least one heat dissipation assembly is provided with the solid-state fan. The invention further discloses a refrigerating container comprising the semiconductor refrigerating module. According to the semiconductor refrigerating module provided with the solid-state fans and the refrigerating container comprising the semiconductor refrigerating module, the solid-state fans are based on the corona discharge principle, mechanical movement components are omitted, and vibration and noise caused by a mechanical fan are avoided; meanwhile, the solid-state fans are low in working current and low in power consumption, heat dissipation fin plates can be utilized directly to serve as collector electrodes, and therefore the overall size and weight of a heat dissipation system are greatly reduced; in addition, the air speed can be changed by changing the voltage applied to discharge electrodes, the distance between the discharge electrodes and an electrode plate, and the distance between the discharge electrodes. The semiconductor refrigerating module provided with the solid-state fans and the refrigerating container comprising the semiconductor refrigerating module have the advantages that the structure is more compact and lighter, the operation process is free of vibration and noise, the efficiency is higher, the air speed is easy to control, and design and optimization can be conducted with higher degree of freedom according to requirements.

The invention discloses a control method, device and system of an electric control silicone oil mechanical fan, and a storage medium. The method and device are applied to a vehicle, the electric control silicone oil mechanical fan is integrated in the vehicle, and the method comprises the steps that whole vehicle parameter information of the vehicle is collected through an engine control unit; thetarget rotating speed of the electric control silicone oil mechanical fan is determined according to the whole vehicle parameter information; and the electric control silicone oil mechanical fan is controlled to rotate based on the target rotating speed. By means of the technical scheme, the rotating speed of the electric control silicone oil mechanical fan can be adjusted according to the wholevehicle parameter information, the heat dissipation requirement of a vehicle engine for the fan under most working conditions can be met, and the purposes of energy conservation and noise reduction are achieved.

The invention discloses an APU system module cooling device and a method. The cooling device comprises an engine cooling water circuit, an engine intake cooling air circuit and an engine cooling water circuit, and the three cooling modules are of independence and noninterference; in addition, a traditional mechanical water pump is changed to a controllable water pump, so that the power consumption of a cooling system under the low speed working condition of an APU assembly is reduced; a traditional mechanical fan is changed to an electronic fan which is controlled in a blocking manner; the series connection of traditional cooling modules is changed into parallel connection, and the cooling modules are additionally provided with water inlet and outlet temperature sensors and air inlet and outlet temperature sensors; the traditional mechanical water pump is changed to the controllable electronic water pump and an electric control silicone oil pump. The cooling method is used for separately controlling engine cooling, engine intake cooling and generator cooling, and the speed of the electronic fan and the water pump is controlled by a control unit through the temperature sensors, and the system is controlled within the optimal working temperature range.

The invention discloses a thermal management system and a thermal control method of a high-power fuel cell commercial vehicle. The thermal management system comprises a fuel cell module, wherein a water outlet of the fuel cell module is connected with a water outlet of an electric control reversing valve through a water outlet temperature sensor; a first outlet of the electric control reversing valve is connected with a heating module, and a second outlet is connected with a heat dissipating device; the heating module and the water outlet connected with the heat dissipating device are both connected with a water inlet of a medium-high pressure electronic water pump; and an outlet of the medium-high pressure electronic water pump is connected with a water inlet of a fuel cell module througha water inlet temperature sensor. According to the thermal management system and the thermal control method, the heat dissipating device is adopted to match the technical route of a large-diameter mechanical fan plus a medium-high voltage speed regulating drive motor and a small-cycle series heating module through large circulation of cooling liquid; under the control of a controller, the fuel cell is always in an optimal working temperature range by using the medium-high voltage speed regulating medium-high voltage electronic water pump, an electric control reversing valve, a power converter, a fuel cell inlet and outlet water temperature sensor and the like; and the heat dissipation capacity of the whole vehicle is greatly improved and the market demand is met.

A noise producing fan with low air movement or variable air movement is provided. The device comprises a conventional mechanical fan that is adapted to provide a soothing and steady volume of ambient noise for a user to block out background noise and sleep comfortably. The mechanical fan includes several embodiments, including different fan blade arrangements, means of interchanging fan blades on the mechanical fan hub, different fan shrouds that allow for access to the fan hub, and finally an imbalanced fan hub that creates an oscillatory motion to increase noise production. The fan blades for low air movement and efficient noise generation are flat or perforated, and secure to the fan hub as it oscillates and rotates within the mechanical fan housing.

The invention discloses a B-ultrasonic electromagnetic mechanical fans scanning device which is characterized in that the scanning device is composed by a housing component comprising an outer bushing, a front bushing and a seal gasket, a micro-telescopic magnet component comprising a telescopic electromagnetic rod and a locking nut, a steering mechanism component of central axial movement comprising a central axis, a bearing group, a pin column, a lever, a hinge pin, an inner housing and a pressure board, a sensor component for alternator position feedback comprising a photoelectric encoder, a photoelectric code disc and a circuit board, a conversion connector component comprising a switch socket, a switch plug and an ultrasonic transducer probe, wherein, the housing component is connected with the steering mechanism component of central axial movement, the micro-telescopic magnet component is connected with the housing component, the sensor component for alternator position feedback is connected with the steering mechanism component of central axial movement, and the conversion connector component is connected with the steering mechanism component of central axial movement.

The invention relates to a B-shaped ultrasonic location reaction type mechanical fan scanning probe device which comprises an outer casing, a DC drive motor group, a bevel gear commutating group, a probe swinging angle location reaction type sensor group and an adapter substitute. The outer casing is connected with the DC drive motor group; the DC drive motor group is vertically provided with an ultrasonic transducing probe oscillation axis, the bevel gear commutating group is vertically provided with the DC drive motor group, the probe swinging angle location reaction type sensor group is provided with the bevel gear commutating group in a coaxial way, i.e. the coaxial location relation is formed with an ultrasonic transducing probe; the adapter substitute is vertically and firmly provided with a bevel gear commutating group axis. The device is mainly characterized in that the device is provided with a terminal location reaction type sensor, i.e. a photoelectrical coder, the accurate angle location information of the terminal ultrasonic transducing probe left and right swinging is accurately measured, and outputted in an impulse signal way of the 90 degrees phase differencebetween two routes, thereby knowing the angle and the direction information of the swinging.

An illumination balloon which has an inflatable bladder surrounding an assembly that includes a frame comprised of hollow tubes, lighting sources, and mechanical fan for inflating said bladder. The lighting sources are staggered along the frame so that each is unimpeded from the fixtures and bulbs of the other lighting sources. The mechanical fan does require a transformer to step up or step down the voltage received from an external power supply. Wiring to energize the lighting sources and mechanical fan are threaded through the hollow tubes of the frame.

The invention discloses an engine heat management electromagnetic speed regulation energy-saving fan system which is composed of four mechanical fans with low noise and long service life, a transmission belt, an electromagnetic speed regulation clutch, fan covers, a water tank, an engine, a clutch transmission belt, a water temperature sensor and a clutch controller. According to the engine heat management electromagnetic speed regulation energy-saving fan system, the shortages that in a existing system in the prior art, a silicone oil clutch is low in control accuracy and high in noise, an electromagnetic fan clutch is high in fault rate and high in noise and an electronic fan is large in power consumption are overcome, the engine heat management electromagnetic speed regulation energy-saving fan system has the advantages of being high in energy utilization, long in service life and high in reliability.

The invention provides a dust removing structure of a rotary water tank cover and a harvester. The dust removing structure of the rotary water tank cover comprises a mechanical fan, a water tank, a water tank cover and an auxiliary rotating fan, wherein the mechanical fan is arranged in the water tank; the auxiliary rotating fan is arranged in the water tank cover; the water tank is in attaching connection with the water tank cover; and a dust exhausting channel is arranged on the side of the auxiliary rotating fan along the side of the water tank cover and the side of the water tank. The mechanical fan is adopted to drive the auxiliary rotating fan, so that sundries can be effectively removed, extra addition of a motor structure is avoided, and the dust removing structure of the rotary water tank cover is enabled to realize the advantages of higher simplicity and compactness, lower cost and better stability; and meanwhile, a power source is provided for the mechanical fan by combination with an engine, so that the harvester is better in reliability and lower in space requirement.

The invention relates to a clay tile blank supporting and drying device, which comprises a roller type drying kiln and a tile blank support frame, wherein the roller type drying kiln comprises a roller and air delivery pipes, the roller is formed by arranging a plurality of roller bars, each roller bar is driven by a motor to rotate towards the same direction, the tile blank support frame is provided with a plurality of ventilating holes, and is provided with a boss according to the shape of a tile blank, the hot air is pressurized by a mechanical fan, the upper and lower surfaces of the tile blank are heated in a synchronous air convection way through the air delivery pipes, and then the air pressure at the surface of the tile blank is smaller than the air pressure in the tile blank. The clay tile blank supporting and drying device has the advantage that as the roller type drying kiln single layer control technology and the tile blank support frame horizontal type quick drying technology are adopted, the production cycle of clay tile is greatly shortened, and the product quality and production efficiency are improved.

A circulation cooking device includes a housing and two casings. Within the housing and the casings, there are provided two sets of a wheel control device, a temperature limiting thermostat, a circuit board for switch control, a mechanical fan for drawing cold air in and expelling hot air out, a main circuit board configured to activate heating and agitation; a drive source for agitation and testing, a support for heating member, an electric heating member, a fan blade assembly, and an inlet device. The circulation cooking device can mounted on a large container by a seat for single container or two small containers by a seat for double container.

A method and apparatus for dispensing of hand lotion and air freshener in a combined unit for home and office. Air freshener may be passively dispersed at a controlled rate from the apparatus, or may be actively dispersed when a user pumps the apparatus to receive a measured quantity of hand lotion. Dispersion may be implemented using a mechanical fan or compression of a sponge, for example.

The invention relates to an electromagnetic type electronic control silicone oil clutch mechanical fan system, a control method thereof, electronic equipment and a storage medium. The method comprises the steps that working state signals of an engine are collected, and the working state signals comprise the water temperature of the engine, the oil temperature of a gearbox and the rotating speed of the engine; generating a clutch signal of an electromagnetic clutch based on the working state signal of the engine; and controlling an electromagnetic clutch of the electromagnetic type electric control silicone oil clutch based on the electromagnetic clutch clutch signal to realize transmission of the engine power to the mechanical fan. The problems of load increase, oil consumption increase, poor driving perception, fan overspeed damage and the like caused by speed-following operation in low-temperature starting, starting acceleration, warm-up stages and overspeed overtaking processes of an existing electric control silicone oil fan are solved, efficient operation of the electric control silicone oil fan is achieved, and the full-time-domain working efficiency of the mechanical fan is improved.

The invention discloses a subway tunnel ventilation system and a control method. The subway tunnel ventilation system is used for a slope interval tunnel, and the subway tunnel ventilation system comprises a station tunnel ventilation unit and an interval tunnel ventilation unit; the station tunnel ventilation unit comprises a heat exhaust air channel and a first communication air channel communicating with the heat exhaust air channel, and the heat exhaust air channel is provided with a heat exhaust fan; the interval tunnel ventilation unit comprises a piston air channel and a mechanical air channel which can communicate with the station tunnel ventilation unit, the piston air channel and the mechanical air channel are arranged at the two ends of a station respectively, and the mechanical air channel is provided with a tunnel fan. By adjusting the quantity ratio of mechanical fans on the upper side and the lower side of a gradient section, the ventilation quantity difference required by different ventilation directions of a tunnel fire in the gradient section is matched, the quantity of tunnel fans is reduced, and the construction cost of the subway tunnel ventilation system is reduced; when the tunnel fan breaks down, the heat exhaust air channel replaces the mechanical air channel where the fault tunnel fan is located, and the application range and stability of the subway tunnel ventilation system are improved.

The invention discloses an automatic cleaning system and method for a radiator of an off-road vehicle.The vehicle-mounted system comprises a conversion gear train, an electromagnetic telescopic valve, a mechanical fan, a windshield washer, a wind pressure sensor and a water pump, the conversion gear train is in transmission connection with an engine and used for transmitting power to the mechanical fan, and a forward gear set and a reverse gear set are arranged in the conversion gear train; the two gear sets are used alternately, the power steering direction output by the conversion gear train to the mechanical fan can be changed, and therefore the better cleaning effect is achieved, a detergent solution is stored in the washing kettle, before the mechanical fan works, the detergent solution is pumped to a spray head at the end through a water pipe by a water pump, and high-pressure water flow is finally sprayed to a radiator, thereby realizing wetting and cleaning to dust on the radiator. The air pressure sensor can detect the air pressure near the radiator, people in the vehicle are helped to judge whether too much dust is attached to the radiator or not and whether the radiator is blocked or not, and the problems that the cleaning effect of the vehicle radiator is poor and the performance of the radiator cannot be monitored in real time are solved.

An electronic system is configurable to accommodate either of a mechanical air mover and an EHD air mover within an enclosure. At least one of a plurality of electronic components is selectively configurable to alternately accommodate the mechanical air mover or the EHD air mover within the enclosure. The mechanical fan or EHD is positioned to motivate air flow along a air flow path between inlet and outlet ventilation boundaries of the enclosure. A connector for a respective one of the electronic components allows for selective configuration in an alternate orientation of the respective one of the electronic components to accommodate a difference in geometry between the EHD air mover and the mechanical air mover.

The invention relates to the technical field of engineering machinery, in particular to a fan system for engineering machinery and a control method. The fan system for the engineering machinery involves a signal acquisition module, a fan control module, and a fan group, wherein the signal acquisition module is used for acquiring a temperature signal and a working condition signal of a whole vehicle; the fan control module is electrically connected with the signal acquisition module; the fan group is electrically connected with the fan control module; and the fan control module is configured to control the fan group according to the temperature signal and the working condition signal. The fan system can adjust the rotating speed of the fan group according to different working conditions, so that the working efficiency of the whole vehicle is ensured.