15 results about "Wind direction" patented technology

The electronic element and device powder covering machine based on one heating mechanism with wind direction and wind speed control includes one frame, one fluidized bed, one heating mechanism and one powder soaking mechanism. The heating mechanism includes one heating furnace, one heat flow homogenizing mechanism on the heating furnace, and one heating and insulating box. The heating furnace is provided with heating elements and a hot blast circulating passage; the heating and insulating box includes a wind hood, a centrifugal fan, an inner container and a casing. The present invention is used to heat electronic element and device with hot blast in the temperature uniformity within 1 deg.c.

The invention relates to windshield speed-reducing device and method of a wind power generator. When a wind power generator encounters wind power which is larger than safe wind speed, a fan and a cabin are steered by the start of a windshield device so that the rotating plane of the fan is parallel to the direction of wind. The wind power generator comprises a pylon; a cabinet is assembled on the top end of the pylon; and the front end of the cabinet (11) is provided with a fan. The windshield device comprises an aerovane, a processor and a steering controller, wherein the aerovane is installed on the wind power generator and generates a wind direction and wind speed signal; the processor is installed on the wind power generator and coupled with the aerovane, receives the wind direction and wind speed signal, calculates a deflecting angle of the cabinet of the wind power generator according to the wind direction and wind speed signal and converts the deflecting angle into a deflecting angle signal; and the steering controller is installed on the wind power generator, used for controlling the deflection of the cabinet and coupled with the processor, receives the deflecting angle signal and controls the cabinet to deflect in a preset angle.

The invention provides a clamping spring type air outlet for a car roof. The clamping spring type air outlet comprises a body and an air outlet, wherein the air outlet is arranged in the body, the air outlet is internally provided with a separating plate, the body is provided with a clamping spring type switch, the moving of the separating plate is controlled by the clamping spring type switch, and thus the opening and the closing of the air outlet can be controlled. According to the clamping spring type air outlet provided by the invention, the position of the separating plate is controlled by the clamping spring type switch, and thus the wind direction of the air outlet can be changed; the body is provided with an illumination lamp, the illumination lamp can be switched on when in need of illumination, the position of the illumination lamp can be adjusted as the illumination lamp is of a rotary type, and thus a position needing to be illuminated can be illuminated.

The invention discloses a large-rope-capacity winding drum which comprises a winding drum body, a rope feeding end plate and a blocking plate on the other side. A rope folding groove is arranged on the winding drum body, a rope feeding gap is formed in the winding drum body or the rope feeding end plate, the inner side faces of the rope feeding end plate and the blocking plate are further respectively provided with rope supplementing protrusions which are concentrically distributed from inside to outside and from a first layer to an mth layer respectively, and the m is a maximum winding layer number of the winding drum. Each layer of rope supplementing protrusions consists of A-side protrusions arranged on the rope feeding end plate and B-side protrusions arranged on the blocking plate, and the height of the rope supplementing protrusions and the outer diameters of concentric circles where the protrusions are located change according to the winding directions and diameter rules of steel wire ropes, so that the rope supplementing protrusions of corresponding layers restrain the ropes between the rope feeding end plate and the blocking plate when all of layers of steel wire ropes are wound on the winding drum. The large-rope-capacity winding drum is simple in structure, can be used for modifying old winding drums and adopt new winding drum design and is especially suitable for a hoisting mechanism with the requirement for winding of ultra-long steel wire ropes, and the multiple layers of steel wire ropes are not in a mess during winding.

The invention relates to a shielding structure for a medium-voltage cable. The shielding structure sequentially comprises a copper-wire sparse winding layer, a copper strip wrapping layer and a nonwoven wrapping layer from the inside to the outside, wherein the copper-wire sparse winding layer is formed by sparse winding of n copper wires of which the diameters are d1; the sparse winding direction of the copper wires is toward the right; the distance between every two adjacent copper wires is l1; the sparse winding pitches of the copper wires are S1; the sparse winding outside diameter is D1; the copper strip wrapping layer is formed by wrapping a copper strip of which the thickness is d2 and the width is b2; the wrapping direction of the copper strip is toward the left; the wrapping pitch of the copper strip is S2; the nonwoven wrapping layer is formed by wrapping a layer of nonwoven of which the thickness is d3 and the width is b3; the wrapping direction of the nonwoven is toward the right; the wrapping pitch of the nonwoven is S3, wherein d1 is 1.03mm; l1 is smaller than or equal to 4mm; S1 is smaller than or equal to 6D1 and greater than or equal to (n-1)*l1+2*d1; d2 is 0.1mm; b2 is 40mm; S2 is smaller than or equal to b2 and greater than or equal to b2/3; d3 is 0.2mm; b3 is 50mm; and S3 is 32mm. The shielding inhibition coefficient is reduced through optimizing the structures of the copper-wire sparse winding layer, the copper strip wrapping layer and the nonwoven wrapping layer in a shielding layer, so that the shielding effect of the shielding layer is improved.

The universal wind power generation device comprises a fan blade rotating part, the fan blade rotating part comprises a rotating shaft and a metal frame, the rotating shaft is evenly provided with a plurality of arc-shaped blades, and the arc-shaped blades are fixedly connected with the rotating shaft; and one end of the rotating shaft is provided with a transmission connecting piece. The number of the arc-shaped blades is four, each arc-shaped blade is of a double-layer structure and comprises a metal net blade and a soft rubber layer, the soft rubber layers are located on the concave face sides of the arc-shaped blades, and the metal net blades are located on the convex face sides of the arc-shaped blades. The soft rubber layer comprises a plurality of soft rubber pieces which are evenly distributed, the soft rubber pieces are rotationally connected with the metal net blades, and the transmission connecting piece is used for being connected with a generator. The arc-shaped blades with the windward concave surfaces can be pushed by wind power to rotate, and the soft rubber sheets on the arc-shaped blades with the windward convex surfaces can be opened to play a role in filtering wind power, so that the thrust obtained by the concave surfaces is always greater than the thrust obtained by the convex surfaces regardless of the wind direction in any direction, and the four arc-shaped blades can keep rotating in one direction.

Provided is an unlocking device for lifting of car window glass. An annular groove is formed in each winding wheel, and a steel wire rope can be wound in the annular grooves. An annular ring is arranged at one end of the steel wire rope and arranged on a base in a sleeving mode. A round folding plate is arranged under the base, a central fixing plate is arranged in the round folding plate, and N sector plates identical in shape are connected to the central fixing plate in the circumferential direction of the central fixing plate. A connection rod is arranged below the sector plates in a hinged mode, and the diameter of the annular ring is larger than that of the central fixing plate. The unlocking device has the following beneficial effects that two motors are used for controlling the vertical rope winding directions of the steel wire rope to achieve lifting of the car window glass; the sector plates are folded along with descending of a sliding block, the annular ring is separated from the base under the action of gravity, and the action of force between the whole steel wire rope and the winding wheels does not exist, so that the glass is descended to achieve the self-rescue effect through the action of manual force under the condition that a car has no power.

The invention relates to an automatic retracting wind turbine blade and a control method thereof. The wind turbine blade comprises a fixed blade and a telescopic blade, a data monitoring platform receives wind speed data and wind direction data acquired by a wind speed measuring device and transmits the data to a processor, the processor calculates the telescopic length of the blade according to the wind speed data and the wind direction data, and a blade retraction control system controls the telescopic blade to stretch or retract. The control method comprises the following steps: acquiring atraining data set; constructing and training a machine learning model; acquiring wind speed data and wind direction data in real time, and calculating blade telescopic length based on the machine learning model; and controlling the telescopic blade to stretch or retract by the blade telescopic control system Compared with the prior art, the blade telescopic length is calculated according to the wind speed data and the wind direction data based on the machine learning model, control is more accurate, the optimal blade telescopic length under the current wind speed and the current wind direction can be obtained, the blades cannot be damaged, wind energy can be captured more effectively, and the power generation efficiency is improved.

An air conditioner and a control method of the same are provided to change flowing of discharged air by controlling opening and closing operation of a plurality of outlets. An air conditioner includes discharge louvers opening and closing a plurality of outlets discharging air having exchanged heat in an indoor heat exchanger into an indoor space; louver motors(23b,24b,25b,26b) driving the discharge louvers; and a control part(30) controlling opening and closing operation for the outlets to change flowing of air discharged into the indoor space. A method includes a normal operating mode in which all of the outlets are opened to discharge air having exchanged heat; and a wide mode in which the outlets are successively opened or closed to change flowing of air having exchanged heat. Wind direction is successively changed thereby to generate wind like natural wind to allow a user to feel cozy. Air having exchanged heat is focused thereby to reach wide range so as to rapidly and evenly cool the indoor space.

The invention provides a double-beam bridge crane which is unlikely to be limited by the height of a plant. The double-beam bridge crane comprises a trolley, a coiling block and a steel wire, wherein the coiling block is arranged on a left beam end and is connected with a motor; the steel wire is wound with a first plane spiral coil and a second spiral coil on the coiling block on the left beam end, and the winding directions of the first plane spiral coil and the second spiral coil are the same; a first trolley wheel and a second trolley wheel are fixed on one side, on a main beam, of the trolley, and a fixed pulley is fixed on one side, on another main beam, of the trolley; a horizontal fixed pulley is fixed on a right beam end; and after forming the first plane spiral coil, the steel wire sequentially bypasses the first trolley wheel, a first movable pulley, the fixed pulley, a second movable pulley, the second trolley pulley and the horizontal fixed pulley and finally winds the coiling block to form the second plane spiral coil. According to the crane, the original operation mechanisms and hoisting mechanism are not used, so that the trolley is lightened and lowered, then the complete machine is lowered, and thus a trolley frame is relatively light and convenient.

The invention discloses a crosswind yaw control method and system for a wind generating set and related components. The crosswind yaw control method comprises the following steps that when the rotating speed of an impeller exceeds a preset rotating speed limit value, whether blades are stuck or not is judged; if yes, a crosswind yaw instruction is generated so that the impeller can be controlled to swing by a preset angle in the preset direction. According to the crosswind yaw control method for the wind generating set, crosswind yaw operation is conducted under the conditions that the wind generating set is over-speeding and the blades are stuck, the impeller of the wind generating set is prevented from directly facing the wind direction, then the situation that the rotating speed of thewind generating set is continuously increased in emergency is avoided, and safety is improved.