14 results about "Wind power generator" patented technology

A reinforcing sheet for wind power generator blades includes a resin layer and a restricting layer laminated on the resin layer.

The invention discloses a multifunctional integrated solar energy and wind energy monitoring street lamp which comprises a lamp pole, an integrated solar energy and wind energy monitoring street lamp device and a support for installing the integrated solar energy and wind energy monitoring street lamp device. The integrated solar energy and wind energy monitoring street lamp device comprises a control box, a solar power generation device, a wind power generation device, an automatic photovoltaic board cleaning device, an electric storage device, a camera and an LED lamp. The camera is connected with a mini-type network monitoring emission processor. LED screens are arranged on the periphery of the control box. The control box is installed on the lamp pole through the support. The multifunctional integrated solar energy and wind energy monitoring street lamp is compact in structure, small in occupied area, multifunctional and capable of greatly facilitating work and life of people; a solar photovoltaic board and a wind power generator supply power, energy is saved, and environment friendliness is achieved; the LED screens are installed to be used for advertising, a network monitoring system can remind a traffic management department in time to adjust the traffic vehicle jam condition, and road traffic safety is facilitated.

A sectional vane for vertical axis wind power generator includes a frame unit and a plurality of vane units. The frame unit is fixedly mounted to a main shaft of the wind power generator, and includes an upper frame member and at least one lower frame member. The upper and lower frame members are provided on inner side with an upper and a lower guide rail, respectively. The vane unit includes a vane body having an upper and a lower guide channel provided on a top and a bottom, respectively, corresponding to the upper and the lower guide rail. The vane units are assembled to the frame unit between the upper and the lower frame member through engagement of the guide channels with the guide rails. The sectional vane can be varied in height and area by providing different numbers of lower frame members and vane units.

The invention provides a fuzzy control method for wind power generation grid-connected running. The fuzzy control method comprises the following steps of firstly, building a wind power generation experiment system, wherein the wind power generation experiment system comprises two groups of wind power generators, two groups of AC/DC rectifiers, two groups of DC/DC converters and a public load, and the two groups of wind power generation devices are used for jointly providing electric energy for the load to use; secondly, building a mathematical model of the wind power generation experiment system according to a physical principle, wherein the mathematical model belongs to an interconnection system with two non-linear sub-systems; and finally, designing a distributed state feedback fuzzy controller based on the mathematical model, and giving out a simulation test platform of the system. With the distributed fuzzy control method provided by the invention, safe and stable running of a wind power generation network can be ensured.

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 discloses a wind power generator automatic turning lifter. The wind power generator automatic turning lifter consists of a lifting rod, a hydraulic system, a rope and a turnover power system; the lifting rode mainly consists of a lifting rod body, extension rods, a cable wind hole, a hydraulic oil pipe fixed hanging hook and a lifting rod support leg; the extension rods positioned at two ends of the lifting rod body respectively realize elongation of single surface of the lifting rod through hydraulic rods; the hydraulic system consists of a hydraulic station, hydraulic pipe branch joints, hydraulic pipe quick joints, hydraulic oil pipes and hydraulic rods; the hydraulic rods positioned at two ends of the lifting rod body are respectively connected with the hydraulic pipe quick joints on the hydraulic station through the hydraulic oil pipes; a pair of hydraulic rods at the middle part of the lifting rod body is respectively connected with the hydraulic pipe branch joints on the hydraulic station through hydraulic oil pipes. The wind power generator automatic turning lifter has the following beneficial effects: the wind power generator automatic turning lifter is reasonable in structure and convenient for installation and operation, and greatly improves the generator turning efficiency and precise control of the generator turning angle.

A method for inhibiting the noise of a downwind type wind generator set based on a variable-helical-angle groove relates to a cylindrical tower truss wind generator set. The position and length of thegroove are determined on a cylindrical tower truss; on the cylindrical tower truss, the helical angle degree of the groove is determined; and the depth and width of the groove and the geometric shapeof the groove are designed. The method not only can inhibit the development of the Karman vortex street of cylindrical wake flow, but also can perform a drag reducing function. The low frequency noise of a paddle tip part is better inhibited by the variable-helical-angle groove on account of the large noise characteristic of the paddle tip part. The method for inhibiting the noise of the downwindtype wind generator set based on the variable helical angle groove has the advantages that the structure is simple, realization is convenient, an extra complicated control system is not needed, the noise reducing effect is remarkable, and the scheme for inhibiting the noise of the downwind type wind generator set is potential.

The invention discloses a conveniently-movable traffic light provided with an emergency power supply and capable of achieving photovoltaic power generation. The traffic light comprises a power storagebox, an LED display lamp and a power generator, wherein truckles are arranged on the lower side surface of the power storage box; a lifting seat is arranged at the middle position of the upper side surface of the power storage box; a wire guide hole is formed in the middle position of the upper side of the lifting seat; a wire winding shaft is arranged on the lower side of the wire guide hole; the power generator with vanes are arranged under a solar cell panel; when the weather is relatively bad, the wind power generator located at a broad crossroad is capable of continuously generating power and supplying the power to a storage battery so as to supplement the deficiency of solar power supply; the solar panel is used for protecting the power generator from radiation and rain and ensuringthe service life of the power generator; a pulley block controlled by a ratchet wheel to wind and unwind the wire is additionally arranged; the height of a display lamp support rod can be conveniently controlled; meanwhile, the weight of the traffic light is reduced; the cost of the traffic light is reduced; the mobility of the traffic light is improved.

The invention relates to a blade and a wind generating set. The blade comprises a blade body, the blade body is axially provided with a blade tip part, a blade root part and a maximum chord length part, the blade tip part and the blade root part are oppositely arranged, the maximum chord length part is located between the blade tip part and the blade root part, and the blade body is in smooth curved surface transition from the maximum chord length part to the blade root part. The length size of the blade root part in the chordwise direction of the blade body is larger than the length size of the blade root part in the width direction of the blade body and smaller than or equal to the length size of the maximum chord length part in the chordwise direction, and the width direction, the axial direction and the chordwise direction are perpendicular to one another. According to the blade and the wind generating set in the embodiment, the wind energy utilization rate of the wind generating set can be guaranteed through the blade, and the power generation benefit of the wind generating set is improved.

The invention discloses a wind-electricity complementary transportation tool which comprises a wind power generator, a charging controller, an energy accumulation storage battery, an inverter, an electricity supply device and a transportation tool body. The wind power generator is arranged on a windward position of the transportation tool body, the charging controller is respectively connected with the wind power generator, the energy accumulation storage battery and the inverter through wires, and the inverter is connected with the electricity supply device. According to the wind-electricity complementary transportation tool, the wind power generator is installed on the windward position of the transportation tool body, wind energy produced in the running process of the transportation tool body is converted into electricity, electricity is supplied to the transportation tool body, original energy consumption of the transportation tool body is reduced, electricity supply pressure is relieved, pollution to the environment is reduced, and compared with the prior art, the wind-electricity complementary transportation tool saves a large amount of traditional energy, improves the use rate of new energy, and meanwhile achieves the energy-saving and environment-friendly effects.

The embodiment of the invention provides a yaw control method and device for a wind generating set, electronic equipment and a storage medium, and belongs to the technical field of control. The method comprises the steps that yaw actions of a draught fan are discretized, an N-way tree about the yaw actions of multiple step lengths is generated, branch sequences meeting sequence invalidation conditions in the N-way tree are cut off, the pruned N-way tree is obtained, and the N-way tree is subjected to yaw control; and according to a set control step length, selecting a control action solution matched with the control step length from the trimmed N-way tree as a target action solution, calculating a control sequence corresponding to each target action solution, and selecting an optimal control sequence from a plurality of control sequences, thereby greatly reducing a searchable solution space of the optimal control sequence, and improving the accuracy of the optimal control sequence. Therefore, the calculation amount and calculation resources in the optimal control sequence acquisition process can be reduced.

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.