184results about How to "Reduce wind area" patented technology

A rotary vane vertical wind driven generator outputs power by a vertical and horizontally rotating rotor, the rotor consists of a transmission shaft and a multiplate rotary vane annular array, the rotary vanes are divided into two kinds, one is unilateral rotating rotary vanes and the other is central shaft rotating rotary vanes. The wind energy generator has four technical proposals: the first is that the rotor consists of the unilateral rotating rotary vanes, wind area of the vanes is changed by a bumper guard, an expansion plate and a gear cluster, which causes the rotor to be unilaterally under stress, thus generating rotary motion; the second is that the rotor consists of the central shaft rotating rotary vanes, the rotor is unilaterally under stress by a wind shield, thus generating the rotary motion; the third is that the rotor consists of the central shaft rotary vanes, a shield plate is employed to protect the external cambered surface of a windward rotary vane from acting force, internal face of another shield plate inducts the wind to act on the internal cambered surface of the windward rotary vane so as to cause the rotor to be unilaterally under stress, thus generating the rotary motion; and the fourth is that the first and the second technical proposals are enlarged to perform multilayer and multiplate array mounting on the vanes.

The invention discloses an anti-typhoon operation control method of a wind power generator group, including: typhoon forecast signals are received; before the coming of a typhoon, blades are feathered, the generator cabin is controlled to actively drift and assure the tail part of the generator cabin of facing to wind, thus releasing a drift brake and stopping; when the typhoon comes, by the function of the tail rudder of the blades, the windward angle of the tail part of the generator cabin is continuously adjusted, thus realizing a free drift of the generator cabin according to wind direction. Due to the feathering of blades before the coming of the typhoon, by controlling the active drift of the generator cabin, the head part of the generator cabin rotates to downwind direction from where the typhoon comes, thus the free drift of the generator cabin is well prepared by the tail part of the blades; when the typhoon comes, the free drift of the generator cabin is realized by depending on the aerodynamical moment applied to the blades, and the windward angle of the tail part of the generator cabin is continuously adjusted by the function of tail rudder of the blades to reduce wind load, blade root bending moment, and overturning moment applied to the generator group, thus preventing any damage to the generator group. On the basis, the invention additionally discloses an anti-typhoon operation control device of a wind power generator group and a wind power generator group using the device.

This invention relates to a vertical axis sail-type windmill power transfer device for efficiently harvesting wind power by increasing the effective surface of interaction with the wind where the sails are formed by a plurality of pairs of blades permanently attached to freely rotating horizontal rods penetrating the vertical output shaft with pivot offset of the center of the weight which causes the blades to self-adjust when impacted by wind so that one blade assumes a driving position while the other—a leeward position. The invention has a modular-type structure which permits for a variety of configurations and allows for photovoltaic cells to be placed on the blades in order to complement the production of wind energy with solar energy.

The invention discloses a solar energy automatically tracking device and a control system of the solar energy automatically tracking device. The solar energy automatically tracking device comprises a base, a solar energy receiving plate bracket, a photosensitive sensor and a control unit. The photosensitive sensor is arranged on the solar energy receiving plate bracket and connected with the control unit, a set of hydraulic cylinders are arranged on the base, and push rods of the hydraulic cylinders are connected with the solar energy receiving plate bracket through spherical hinges. Sliding chutes are formed in the solar energy receiving plate bracket, shafts which are hinged to solar energy receiving plates are arranged in the sliding chutes, and the control unit is connected with controllers of the hydraulic cylinders and controls the stroke of the push rods of the hydraulic cylinders. Hydraulic control is adopted, the solar energy receiving plates can be made large, and stability of the system is good. The solar energy receiving plates can be folded, in strong breeze and other severe weather, the solar energy receiving plates are folded under the control of the control unit, therefore, external force acted on a photovoltaic system is reduced, and stability of the system is improved. The solar energy receiving plates are always perpendicular to sunlight, so that the utilization rate of solar energy is increased.

The invention discloses a photovoltaic power generation apparatus. The photovoltaic power generation apparatus comprises a base, a first fixed block and a second fixed block, a pair of guide rods and a sliding plate, wherein the lower part of the first fixed block is hinged with the base; a sleeve is fixed at the lower part of the second fixed block; a nut is coaxially fixed in the sleeve; a rotary screw rod is perpendicularly arranged on the base; the screw rod extends into the sleeve and is meshed with the nut; the screw rod rotates under the drive of a motor; the two ends of the pair of the guide rods are connected with the first fixed block and the second fixed block respectively; a sliding groove matched with each guide rod is formed in each of the left and right sides of the sliding plate separately; multiple rectangular mounting openings are formed in the sliding plate in an up-and-down penetration manner; a rectangular plate having the same dimension and shape as the rectangular mounting opening is hinged with the lower edge of each rectangular mounting opening separately; a supporting plate is fixed on the lower edge of each rectangular mounting opening; the lower surface of the rectangular plate and the upper surface of the supporting plate are fixed with the two ends of a telescopic rod; and a solar cell panel is paved on the upper surface of the rectangular plate. The photovoltaic power generation apparatus has excellent windproof and wind-resistant performance.

The invention discloses a wind-resistant advertising board comprising a frame and a main board. The main board is composed of a plurality of blades arranged side by side. The blades are hinged to the frame. The frame is provided with a steering driving assembly for inducing wind power to drive the blades to rotate. The steering driving assembly comprises a plurality of gears, racks and a sliding block. The gears are fixed to the plurality of blades. The sliding block extends and has a first windward piece. A windward surface of the first windward piece is parallel to the main board. The sliding block is driven by wind to slide in a direction vertical to the arrangement direction of the blades. The racks are intermeshed with the plurality of gears. The racks are hinged to the sliding block via draw bars. When the sliding block is moving in a first sliding chute back and forth, the sliding block drives the racks to move in the arrangement direction of the blades. The first sliding chute is provided with elastic components to keep the sliding block to reset. The advertising board can be normally used under the normal or breeze condition and is capable of dispelling wind when subject to large head-on wind, and wind resistance of the advertising board is improved.

The invention provides a method for preventing a wind generating set from runaway. After a fan master control system sends a variable pitch instruction for certain time, a pitch control system cannot be tracked in real time and is considered as failure when the rotating speed of a wind wheel exceeds a given value. According to the method, under the condition that the pitch control system of the fan fails, the fan is controlled to yaw for 90-degree crosswind, accordingly, the wind energy absorption of the wind wheel is maximum, the rotating speed of the wind wheel is rapidly reduced, and the fan can be protected from being damaged to the greatest extend after failure of variable pitch of the fan.

The invention relates to a hydraulic oblique push type offshore wind turbine installation system. The installation system comprises a wind turbine installation ship, a rotating device, a hydraulic system and wind turbine arrangement lifting devices, tail supporting columns are vertically arranged at the tail part of a deck, and tail rails are arranged on the tail supporting columns; the rotating device comprises gear lifting devices, rotating arms and mechanical arms, the gear lifting devices slide up and down along the tail rails, and one ends of the rotary arms are hinged to the gear liftingdevices; the hydraulic system comprises hydraulic power devices, hydraulic bases and hydraulic rods hinged to the hydraulic bases, the top ends of the hydraulic rods are hinged to the rotating arms,and the hydraulic power devices drive the hydraulic rods to stretch and push the rotating arms to rotate; and whole wind turbines are horizontally arranged on the wind turbine arrangement lifting devices, and the mechanical arms hold and lift tower drums of the wind turbines. According to the hydraulic oblique push type offshore wind turbine installation system, after the mechanical arms hold thetower drums of the wind turbines, the hydraulic system pushes upwards the rotating arms to rotate around a tail cross beam, meanwhile, the tail cross beam can move up and down along the tail rails, and the two ends of each rotary arm can work cooperatively, so that installation time of one offshore wind turbine can be effectively shortened.

The invention relates to building engineering machines, in particular to a tower crane with a wind-proof structure. A crane boom and a balance arm are rotatably arranged on a rotary table, and a first guyed tower and a second guyed tower are arranged at the top of the top end of the crane boom and the top of the top end of the balance arm. A first cord stretching device and a second cord stretching device are arranged at the tops of the towers. The first guyed tower and the first cord stretching device are connected through a first cord, and the second guyed tower and the second cord stretching device are connected through a second cord. A balance weight lifting device is arranged at the top in a jacking sleeve frame, and can vertically move in standard knots. A balance weight slideway matching the balance weight lifting device is arranged on the balance arm, a first cord lifter and a second cord lifter are arranged on the crane boom and the balance arm respectively, and fixed hooks matching the first cord lifter and the second cord lifter are arranged on a base. A balance weight can be fast mounted and dismounted in typhoon weather or other strong wind states, and after the balance weight is dismounted, the crane boom and the balance arm can be bent to reduce the wind area and keep the gravity center of a tower body stable.

The invention discloses a wind-resistant advertising board. The wind-resistant advertising board comprises a bracket fixed on a roof and a plurality of frames used for placing advertising board bodies, wherein an opening is arranged in the bracket, the frames are positioned in the opening, the frames and the bracket are in sliding connection, and the frames are in hinging connection; a fixing column is arranged on the side wall of the opening, and the fixing column is hinged to the closest frame; the bracket is provided with a driving assembly used for enabling the frames to slide relative tothe bracket; and the roof is further provided with a control device used for controlling the driving assembly to work. By placing the advertising board bodies on the frames, to-and-fro pedestrians cansee the advertising board, so that a very good propagandizing effect is achieved; when strong wind comes, the control device is started and then the driving assembly positioned on the bracket is controlled to work; and under the driving of the driving assembly, the frames can move towards the direction close to the fixing column, then the folding of the frame is realized, therefore, the wind areaof the advertising board is greatly reduced, thus the advertising board is seldom damaged, and finally, the loss of merchants is reduced.

The invention belongs to the technical field of environment monitoring, and especially relates to high-stability environmental protection monitoring equipment. The equipment comprises a bottom plate;a supporting rod is mounted above the bottom plate; a display screen is mounted above the middle part of the supporting rod through a rotating assembly; a guide assembly is mounted on the outer side of the rotating assembly and located between two display screens; a rotating assembly is arranged in the middle of the supporting rod below the display screens; and a supporting assembly is arranged atthe edge part of the supporting rod below the rotating assembly. The high-stability environmental protection monitoring equipment is scientific and reasonable and safe and convenient to use, by arrangement by means of the rotating assembly, in windy weather, wind acting on the display screens can provide power for rotation of the rotating assembly, so that the rotating assembly can be driven to rotate, the display screens are driven to rotate, the side edges of the display screens face the wind, the wind areas of the display screens are reduced, the wind area of the whole monitoring equipmentis reduced, and the whole equipment is more stable in strong wind weather.

The invention discloses a blade automatically-opening/closing device of a vertical-axis wind-driven generator wind wheel, which comprises the wind wheel. The wind wheel comprises blades; the number of the blades is plural; the blades are hinged with the wind wheel, wherein rotating devices and positioning devices are arranged at hinging parts of the blades and the wind wheel; the rotating devices enable the hinging parts of the blades and the wind wheel to axially rotate; and the positioning devices lock rotating angles of the blades. The blade automatically-opening/closing device further comprises a control device, wherein the control device is respectively connected with the rotating devices and the positioning devices. The blade automatically-opening/closing device of the vertical-axis wind-driven generator wind wheel has the beneficial effects that: the blades of the wind-driven generator wind wheel can be automatically opened or closed according to a wind speed, the wind wheel is of a cylinder after the blades of the wind wheel are closed, so that the wind area is small, and the wind wheel is protected from being damaged when the wind speed is too fast.

The invention discloses a power generation device to thoroughly solve the problem of the rotating overpseed of generator sets. The power generation device comprises a stand column and at least one generator set located on the same column. Each generator set comprises a support, blades connected with the support and a generator rotationally generating power through the blades. Each generator set further comprises an adjusting device located on the support, wherein the adjusting device is used for moving or rotating the blades so as to adjust the windward area of the blades according to the windspeed. By means of the wind power generation device, when the wind force is too large, the effective windward area can be reduced to zero, the stability of the device and applicability of the devicein various environments are improved, and the service life of the device is prolonged. A solar cell panel can be laid on the outer surface of the power generation device, the device can collect wind energy and solar energy at the same time, and wind force and solar energy combined power generation is achieved. All the parts of the generator sets in the power generation device are directly connected with the stand column or directly connected with the stand column through bearings, demounting and assembling are convenient, application and popularization are facilitated, and very high practicability is achieved.

The invention relates to a tracking concentrating solar receiving device which belongs to the technical field of solar utilization. The system comprises a plurality of concentrating solar receiving units installed on a plane framework, wherein every two adjacent solar receiving units realize linkage by connecting carriages at the same sides of the solar receiving units by a parallelogram mechanism through a hinge, a rotating shaft of each solar receiving unit in the plane framework is vertical to an east-west direction, the rotating shafts and the horizontal plane form the same included angle, the included angle is a fixed included angle or an included angle which can be manually regulated or an included angle which is automatically regulated by a motor, and the concentrating solar receiving units can carry out heating or power generation by sunlight or carry out heating and power generation simultaneously. The invention has the advantages of simple structure, lower cost, convenient use, high reliability and the like and is beneficial to large-scale popularization and utilization.

The invention discloses an outdoor wind-resistant device, which comprises a tent cloth and a support device, wherein a lifting device is arranged above the tent cloth; the tent cloth is also providedwith an embedded element; the support device comprises support frames, a first telescopic rod and a second telescopic rod; one end of the support frame is inserted into the ground and the other end extends away from the ground, a plurality of support frames are fixedly connected with each other to form a polygonal structure, one ends of the plurality of support frames, away from the ground, is fixedly connected with an accommodating groove, the lifting device comprises a moving block for driving the first telescopic rod and the second telescopic rod to slide outwards, a rack for driving the moving block to slide and a transmission gear matched with the rack, wherein the side wall of the accommodating groove is provided with an accommodating cavity for accommodating the rack and the transmission gear, a driver is arranged on the transmission gear; when the driver drives the transmission gear to rotate, the rack starts to roll and drive the moving block to slide outwards along the lengthdirection of the accommodating cavity so as to lift the first telescopic rod and the second telescopic rod.

The invention is a high altitude conformity spherical cavity turbo type wind-driven generator, relating to new energy utilization. The invention embeds a conductor coil in the fan blade of spherical cavity turbo type wind-driven generator, a conductor coil is winded on the center shaft of the spherical cavity turbo type wind-driven generator, after the conductor coil on the center sahft switches on current, magnetic field is generated, or a permanent magnet is mounted on the cneter shaft, thereby the traditional wind-driven generator composed of a wind machine and a generator is integrated into an integrated device. The helium balloon rises the conformity spherical cavity turbo type wind-driven generator to the high altitude and uses the advatages that the spherical cavity turbo type wind-driven generator has low starting wind speed, high safe wind spped and directional rotation, and adequately uses the high altitude wind energy to generate electricity. The electric energy is transported to the electric appliance on the ground by the cable. The invention settles the problems that the wind machine in prior art is not high away from the ground, so it is not used in area without strong wind on the ground surface.

The invention discloses a wind-resistant clothes hanger which comprises a mounting rack and a plurality of clothes hanging rods, wherein the mounting rack is mounted on an external facade of a house;the clothes hanging rods are in telescopic connection with the mounting rack; the mounting rack comprises a first half plate and a second half plate; the first half plate is hinged with the second half plate; a locking component is arranged on the first half plate; the locking component is used for locking and supporting the first half plate and the second half plate; the locking component comprises an insert as an electromagnet; a wind sensing component, a microswitch and a power supply are arranged on the mounting rack; the electromagnet is coupled with the microswitch and a power supply mutually; the wind sensing component drives the microswitch to power off the power supply and an electromagnetic circuit when sensing a wind threshold; the electromagnet and a magnet body are mutually sucked; the electromagnet is moved outside an insertion hole; a rotating shaft is driven to rotate by the second half plate and the clothes hanging rods under the action of a gravity; the second half plate and the clothes hanging rods are close to a wall. Therefore, a wind receiving area is reduced, the wind-resistant clothes hanger can be solidly mounted on the wall in bad weather, and potential safety hazard can be reduced.

The invention discloses a vaneless fan lamp, which comprises a fixing device, a base, a body, a machine head, an air outlet part and a lighting part, wherein, the vaneless fan lamp comprises a fixingdevice, a base, a body, a machine head, an air outlet part and a lighting part. The fixing device is used for fixing the vaneless fan lamp, the base is used for realizing the reciprocating rotation ofthe vaneless fan lamp around the axis, and the power device and other functional components are accommodated in the machine body for realizing the functions of air purification and air heating, etc.The power device in the machine body is used for generating high-pressure air flow, and the high-pressure air flow is guided to the three-way structure in the machine head. The high-pressure air flowentering the three-way structure is guided to the air outlets through the two outlets of the three-way structure. The two high-pressure air streams are ejected from the air outlet of the air outlet part under the action of the high pressure to generate a high-speed air stream. High-speed air currents can drive the surrounding air to flow together to generate wind power. A light part is mounted onthat low part of the machine head, and the lighting part includes a light source, so that the function of luminous lighting can be realized.

The invention discloses a wind resisting traffic sign. The wind resisting traffic sign comprises an indicating board and a supporting rod; the indicating board is fixedly connected to one end of the supporting rod; the indicating board comprises a frame; a through window is formed in the frame; a flexible display screen is arranged in the through window; a sliding rod is fixedly connected to one side edge of the flexible display screen; the other opposite side edges are arranged on a winding mechanism; the sliding rod is slidingly connected between the upper and lower side edges of the throughwindow; a wind measuring device is also arranged on the frame; the wind measuring device is linked with the winding mechanism to drive the winding mechanism to wind the flexible display screen. According to the wind resisting traffic sign, the wind resisting performance of the traffic sign can be improved.

The invention discloses a wind-resistant damping railing. The wind-resistant damping railing comprises upright columns and cross bars, the cross bars comprise the upper cross bars and the lower crossbars, and billboards are arranged between the upper cross bars and the lower cross bars; rotating assemblies are arranged at the upper portions of the upright columns and include rotating columns andwind receiving plates; when subjected to the action of a wind force, the wind receiving plates rotate together with the rotating columns; blind holes for allowing the rotating columns to insert into are formed in the upright columns, and one ends of the rotating columns are inserted into the blind holes; bearings are arranged on the blind holes; first sliding slots for allowing the cross bars to insert into are formed in the upright columns; second sliding slots are formed in both sides of the upper portions of the first sliding slots respectively; driving assemblies are arranged on the rotating columns and include first protrusion blocks and connecting blocks; when rotating under the action of the wind force, the rotating columns drive second convex blocks to move upwards and correspondingly drive the cross bars in the first sliding slots to slide upwards into the second sliding slots; after entering the second sliding slots, the cross bars move under the action of the wind force so that the wind receiving area can be reduced, and the wind resistance of the railing is correspondingly increased.

The invention discloses a photovoltaic panel system with a windproof function. The photovoltaic panel system comprises a house, a main ridge and a photovoltaic panel system body. The photovoltaic panel system comprises fixing frames arranged on the outer walls of the two sides of the house, a shell arranged above the house, supports arranged on the two sides of the shell, inserting pieces arrangedbelow the supports, screws used for fixing the inserting pieces and the fixing frames, and supporting pieces arranged below the shell. The plurality of photovoltaic panel array groups are arranged onthe roof of the house, and the storage device is used for storing the photovoltaic panel array groups; the supporting pieces are arranged on the main ridge in a sleeving manner; through the arrangement of the supporting pieces, the heaviest part in the whole photovoltaic panel system is placed at the firmer main ridge position, so that the overall stability of the device is improved, meanwhile, the photovoltaic panel array set is stored through the storage device, the windward area in the typhoon day is reduced, the firmness degree in the typhoon day is improved, the stability of the device in the typhoon day is improved, and safety of instruments is ensured.

The invention belongs to the technical field of electrical equipment and in particular relates to a foreign body removal device for a high voltage transmission line. Aiming at solving the technical problems that an existing electric transmission line cleaning device is difficult to clean foreign bodies on a transmission line and especially cleaning effect is poor for wound foreign bodies such as plastic bags, the following scheme is put forward, namely the foreign body removal device for the high voltage transmission line comprises a power box, the two sides of the power box are respectively rotatably connected with an arc-shaped balance bar by virtue of a spindle, the bottom of each arc-shaped balance bar is fixedly connected with a counterweight plate, a first rotary rod is rotatably connected between the bottoms of the two counterweight plates by virtue of a spindle, one side of the first rotary rod is fixedly connected with a first cleaning rod, one end of the first cleaning rod isrotatably connected with a rotary groove by virtue of a spindle, and one end of the rotary groove is fixedly connected with a sliding column. In the foreign body removal device provided by the invention, an arc-shaped triangular knife is arranged, the plastic bags on the transmission line are cut by virtue of the arc-shaped triangular knife, and tiny foreign bodies on the transmission line are seamlessly cleaned by virtue of coordination of a ring-shaped scrubbing brush and a brush substrate, so that the cleaning effect is improved.