36results about How to "Avoid wind resistance" patented technology

The present invention discloses a communication antenna automatic orientation apparatus and method, wherein the apparatus comprises: a target base station geographical storage for storing the corresponding relation between the spatial location information on the air lane and the identifier of a target base station; a sensor for confirming current spatial location information of the aircraft; an aircraft spatial orientation sensor for confirming a current spatial orientation of the aircraft; a master controller for confirming a target direction of a directional antenna according to the current spatial location information, the corresponding relation and the current spatial orientation and sending an instruction carrying the target direction; an automatic antenna directional system for receiving the instruction and driving the directional antenna according to the target direction so as to enable the directional antenna to receive a signal from a ground base station in the target direction; a wide aperture antenna for receiving the signal from the ground base station in omni-direction; and a mobile communication terminal for processing the signal received by the wide aperture antenna and the signal received by the directional antenna.

The invention discloses a single-power driven double-generator set using an electric injection system. The double-generator set comprises a generator back cover, a left cooling fan, a left generator, a left wind scooper, an engine, a right generator, a right cooling fan and a right wind scooper, wherein the left generator comprises a left generator rotor and a left generator stator; the engine comprises a main shaft and an engine end cover; the right generator comprises a right generator stator and a right generator rotor; the left wind scooper is fixed on the engine end cover; the left generator stator is fixed on the left wind scooper and positioned in the left generator rotor; the left cooling fan is positioned between the left generator rotor and the generator back cover; the right generator stator is positioned in the right generator rotor; the right cooling fan is fixed on the main shaft through the right generator rotor; and the right generator and the right cooling fan are positioned in the right wind scooper. On the premise of not changing the main structure of a petrol engine, the double-generator set conveniently realizes the replacement of the conventional mechanically-controlled fuel control system by using an electronic control fuel injection device.

A floating light (10) to aid a night time fisherman. The floating light (10) is maneuverable by remote control (20). The floating light (10) includes a battery operated directional light (13) mounted onto a floating vessel. The directional light (13) is directed at the surface of the water or just above the surface so that a fisherman is able to illuminate a desired area when fishing at night to safely illuminate obstacles. The floating light (10) desirably operates at “casting distance” and has a smooth low profile. The floating light (10) may include a motor driven propeller (14) and rudder (15) operably connected to a radio remote control receiver (45). A radio remote control transmitter (27) operable by the fisherman transmits signals to the receiver (45) on the floating light (10) to direct the motion of the floating light (10).

The invention discloses an efficient high blast pressure range hood. The efficient high blast pressure range hood is characterized in that: a draught fan is arranged in a range hood outer shell; the outer shell of the draught fan is connected and sealed with the range hood outer shell; a lead air channel and a mold cavity are connected and assembled to form the outer shell of the draught fan; an air inlet and an air outlet of the draught fan are on the same axis; a motor of the draught fan is fixed in the outer shell of the draught fan; the motor drives a wind wheel connected with a motor shaft to rotate in the mold cavity of the draught fan; a large-sized LED lamp panel is arranged at the lower part inside the range hood outer shell; the interval between the large-sized LED lamp panel and the range hood outer shell forms an air inlet of the range hood; the distance zone between the large-sized LED lamp panel and the range hood outer shell end face forms an air inlet guide zone of the range hood; a guide air channel is arranged in front of an air inlet end of the wind wheel of the draught fan; a plurality of guide plates are arranged at the back of an air outlet end of the wind wheel; the sectional area of an air inlet of the wind wheel is smaller than the sectional area of an air outlet of the wind wheel; the radial section of each blade of the wind wheel is convex, and the convex direction is the rotating direction of the wind wheel.

The invention relates to a lifting type anti-toppling large portal type display frame. The display frame comprises a support, a publicity page, a rotating shaft, a counterweight rod and a winding device, wherein the rotating shaft is detachably arranged at the top of the frame column of the support in a penetrating manner and is rotationally connected with a frame, the winding device is arranged at the end part of the rotating shaft protruding out of the frame column, and the counterweight rod is clamped in the groove of the support; the winding device comprises a worm wheel, a worm, a drivingshaft and fan blades, wherein the worm wheel is fixedly connected with the end part of the rotating shaft, the worm is meshed with the worm wheel, two ends of the worm are rotatably connected with lugs on the side wall of the frame column, a functional hole is formed in the worm, the driving shaft penetrates through the functional hole, and two ends of the driving shaft are respectively connectedwith two fan blades with opposite rotating directions. The lifting type anti-toppling large portal type display frame can automatically roll up the publicity page when strong wind comes, eliminates the wind resistance of the publicity page caused by wind blowing, ensures the safety and stability of the display frame for publicity, and the lifting type anti-toppling large portal type display frameis suitable for roof advertisement and outdoor large-scale standing advertisement.

The invention relates to a centrifugal humidifying dust removal filtering device.The centrifugal humidifying dust removal filtering device comprises a centrifugal dust removal cylinder and an atomizing and humidifying device, the centrifugal dust removal cylinder is installed on the upper portion of a garbage collecting tank of a road sweeper and comprises an outer cylinder body and an inner cylinder body, the upper end of the outer cylinder body and the upper end of the inner cylinder body are opened, a conical material guide hopper is arranged at the bottom of the inner cylinder body, and a motor and a centrifugal impeller are installed in the inner cylinder body; a motor protective cover is installed at the outer side of the motor, and a dust removal top cover used for adjusting the axial airflow of the cylinder bodies into radial airflow is arranged in the linear direction of an air outlet, communicated with the atmosphere, of the outer cylinder body; the atomizing and humidifying device comprises a water storage tank, a high-pressure water pump and an atomizing nozzle communicated with the high-pressure water pump, and the atomizing nozzle is located below the conical material guide hopper.The centrifugal humidifying dust removal filtering device has the advantages of being simple in structure, convenient to install and use, low in cost, low in energy consumption, good in dust removal effect, convenient to maintain and the like.

The invention provides an air conditioner indoor unit, an air conditioner and a cleaning method of the air conditioner indoor unit. The air conditioner indoor unit comprises an evaporator and further comprises a shell provided with a cleaning fixed window, a cross-flow wind wheel arranged in the shell, a rotary volute movably arranged on the cleaning fixed window and a cleaning mechanism arranged on the side, away from the cross-flow wind wheel, of the rotary volute; and when the rotary volute opens the cleaning fixed window, the rotary volute is arranged towards the cross-flow wind wheel. The position of the cleaning mechanism relative to the shell and the cross-flow wind wheel is adjusted by rotating the rotary volute; when the cross-flow wind wheel needs to be cleaned, the rotary volute opens the cleaning fixed window, and at the moment, the rotary volute faces the cross-flow wind wheel, that is, the cleaning mechanism faces the cross-flow wind wheel; and when cleaning is completed, the rotary volute rotates to close the cleaning fixed window, then the cleaning mechanism is prevented from forming wind resistance in the shell, and normal operation of the air conditioner indoor unit is guaranteed.

The invention relates to a method and device for controlling an unmanned aerial vehicle based on a vehicle and the vehicle, the unmanned aerial vehicle is in communication connection with the vehicle,a storage device used for storing the unmanned aerial vehicle is arranged in the vehicle. The method comprises the steps that a trigger instruction used for controlling the unmanned aerial vehicle isreceived; the storage device is moved out of the vehicle; the storage device is started; and the unmanned aerial vehicle is controlled to take off from the storage device or land on the storage device. The unmanned aerial vehicle can be stored in the storage device in the vehicle, and wind resistance caused when the unmanned aerial vehicle is parked at the top of the vehicle is avoided. And the whole process is automatically carried out, and the unmanned aerial vehicle does not need to be manually controlled to take off or land through a terminal, so that the unmanned aerial vehicle can be safely released to execute a specific task under the conditions that only one driver is in the vehicle and the vehicle is in a running state.

The invention discloses a long-life high-temperature plasma torch medical waste harmless treatment system. Medical waste is crushed and transmitted to a main combustion furnace through a waste feedingsystem. The main combustion furnace burns from top to bottom, after the medical waste enters the main combustion furnace, the medical waste is incinerated by two layers of plasma guns installed circumferentially in the main combustion furnace; waste gas generated by incineration enters a auxiliary combustion furnace for further incineration, the finally generated tail gas enters a tail gas treatment system for purification and then is discharged through an induced draft fan; and normal temperature air is subjected to heat exchange with the tail gas generated after secondary incineration in the auxiliary combustion furnace through a heat exchanger, and the heated air is introduced into the upper part inside the main combustion furnace. An air supply system is used to supply hot air to themain combustion furnace or normally warm air to the auxiliary combustion furnace. According to the long-life high-temperature plasma torch medical waste harmless treatment system, harmless treatment of medical waste garbage can be completely realized, and meanwhile, heat energy of combustion substances can be utilized to generate electricity or be recycled to participate in baking and secondary combustion, thus achieving the purposes of energy conservation and emission reduction.

The invention belongs to the field of flight products, and specifically discloses an aircraft with foldable rotor wings. The aircraft comprises an aircraft body, the rotor rings and a jet engine, wherein the jet engine is installed at the tail of the aircraft body; the rotor wings are rotatably installed on two sides of the aircraft body through rotating shafts; each rotor wing comprises a rotor wing shaft, a rotor wing blade and a substrate, each substrate comprises a fixed seat and a rotating part, each rotating part is movably connected with the corresponding fixed seat, and each rotor wingblade is connected with the corresponding rotating part through a rotary pin. Moreover, the invention also discloses a flight mode of the aircraft. According to the aircraft disclosed by the invention, the rotor wings can rotate to be parallel or vertical to the horizontal plane in the flight process, the rotor wing blades can realize unfolding and folding, the vertical lifting and air suspensioncapacities of an ordinary tilt aircraft are maintained, and the wind drag generated by the rotor wing blades in the forwarding process is also overcome, so that the flight speed of the aircraft is increased.

The invention provides a wall-mounted indoor unit of an air conditioner. The indoor unit comprises a housing, an air duct and at least one air diffusing baffle plate, wherein an air outlet is formed in the bottom on the front side of the housing, and a plurality of air diffusing holes are formed in an area, close to the air outlet, of the bottom wall of the housing; the air duct is formed in the housing for guiding a blowing air flow to the air outlet, and at least one bypass opening facing the plurality of air diffusing holes is formed in the bottom wall of the air duct; and a plurality of second air diffusing holes are formed in each air diffusing baffle plate and the air diffusing baffle plate is rotatably mounted on the bottom wall of the air duct to open the bypass opening rotatably to make the air diffusing baffle plate be in a closed state, so that the blowing air flow is blown out through the second air diffusing holes and the first air diffusing holes successively.

A buffering device for an airship comprises a buffering air cushion and an inflation device, wherein the buffering air cushion comprises an inflatable framework structure and an outer bag arranged outside the framework structure in a sleeving mode, an inflation opening connected with the inflation device is formed in the framework structure, and an exhaust hole and a connecting piece used for being connected with the airship are arranged on the outer bag. According to momentum and energy conservation, when the airship lands, the formed outer bag is compressed to exhaust air from the exhaust holes, the exhausted air has enough speed to carry certain energy, impact energy of the airship on the ground is absorbed, and therefore buffer protection of the airship is achieved.

The invention provides a wall-mounted type air-conditioner indoor unit which comprises a shell and a wind channel. A wind outlet is formed in the bottom of the front side of the shell. Multiple firstwind dissipating holes are formed in the area, close to the wind outlet, of the bottom wall of the shell. The wind channel is formed in the shell, communicates with the wind outlet and is used for guiding wind supply airflow to the wind outlet. Multiple second wind dissipating holes are formed in the rear wall of the wind channel, so that some wind supply airflow is allowed to enter a partition space between the rear wall of the wind channel and the bottom wall of the shell through the multiple second wind dissipating holes, and then to be blown into a room from the partition space through themultiple first wind dissipating holes. The wall-mounted type air-conditioner indoor unit achieves comfort wind supply.

The invention provides a central air-conditioning system applying an ultrafine particle purifying device. The system is characterized by comprising a central air-conditioning system and an ultrafine particle purifying device. The ultrafine particle purifying device is arranged in an air flue of the central air-conditioning system, and comprises a fan, a purifying cavity with an air inlet and an air outlet, and an ultrafine particle filtering device. The ultrafine particle filtering device is arranged on the air inlet of the purifying cavity. The fan is arranged on the air outlet of the purifying cavity. An air-out direction of the fan is toward the downstream end of the air flue. The cross section of the air flue on the position where the ultrafine particle purifying device is in is shielded partially by the ultrafine particle purifying device, and an airflow channel is reserved for ventilation.