CN216111108U

CN216111108U - Automatic power supply control device of wind driven generator yaw system

Info

Publication number: CN216111108U
Application number: CN202122552014.2U
Authority: CN
Inventors: 武丹霞; 肖思; 沙建娇
Original assignee: Yunnan Chensheng Electric Power Design Consulting Co ltd
Current assignee: Yunnan Chensheng Electric Power Design Consulting Co ltd
Priority date: 2021-10-22
Filing date: 2021-10-22
Publication date: 2022-03-22
Anticipated expiration: 2031-10-22

Abstract

The utility model discloses an automatic power supply control device for a yaw system of a wind driven generator, and relates to the technical field of wind driven generators. The wind speed and direction tracking device comprises a tower, wherein the upper surface of the tower is rotatably connected with a wind direction tracking device, the upper surface of the wind direction tracking device is fixedly connected with a cabin, an anemorumbometer is fixedly arranged at the position, close to the edge, of the upper surface of the outer part of the cabin, a blade is fixedly arranged at one side, far away from the anemorumbometer, of the cabin, and a storage battery is fixedly arranged at one side, close to the anemorumbometer, of the inner part of the cabin. The automatic power supply of the yaw system is realized by using the anemorumbometer; through the use of the thermistor, the unnecessary damage loss caused by the working failure of normal temperature equipment in low temperature and severe environment is avoided.

Description

Automatic power supply control device of wind driven generator yaw system

Technical Field

The utility model belongs to the technical field of wind driven generators, and particularly relates to an automatic power supply control device for a yaw system of a wind driven generator.

Background

Wind power generation refers to converting kinetic energy of wind into electric energy, wind energy is a clean and pollution-free renewable energy source and is utilized by people for a long time, water is pumped and ground mainly through a windmill, and people are interested in how to utilize wind to generate electricity; the wind power generation is very environment-friendly, and the wind energy is huge, so that the wind power generation is increasingly paid attention by various countries in the world.

The patent specification with the application number of CN201621041300.5 discloses a yaw control device of a wind driven generator, which comprises a fan tower cylinder, wherein a supporting ring frame is fixed at the top end of the fan tower cylinder, a generator bin supporting ring is arranged above the supporting ring frame, and the generator bin supporting ring is arranged on the supporting ring frame; a yaw motor is arranged on the outer side of the support ring of the generator bin, a gear is arranged on an output shaft of the yaw motor, and the gear is meshed with a rack arranged on the circumference of the support ring frame; a line concentration insulating pipe is arranged at the axis of the generator bin supporting ring, a rolling bearing is sleeved on the line concentration insulating pipe, and the rolling bearing is connected with the generator bin supporting ring through a plurality of upper supporting rods; a plurality of electric rings respectively connected with the upper supporting rod are also arranged on the line concentration insulating pipe; firstly, the utility model reduces the manpower imperfection of the automatic power supply operation yaw motor and the monitoring device is also imperfect, thus easily causing the damage of the device blade; secondly, when the ambient temperature is low, some devices can be caused to be out of order and cannot be controlled, so the novel use method should consider the influence of the ambient temperature, the service life of the device is convenient to prolong, and unnecessary loss is reduced.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic power supply control device for a yaw system of a wind driven generator, aiming at the problems in the related art and aiming at overcoming the technical problems in the prior related art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an automatic power supply control device of a yaw system of a wind driven generator, which comprises a tower, wherein the upper surface of the tower is rotatably connected with a wind direction tracking device, the upper surface of the wind direction tracking device is fixedly connected with a cabin, the upper surface of the outer part of the cabin, which is close to the edge, is fixedly provided with an anemorumbometer, one side of the cabin, which is far away from the anemorumbometer, is fixedly provided with blades, and one side of the inner part of the cabin, which is close to the anemorumbometer, is fixedly provided with a storage battery.

Furthermore, a gear bearing is fixedly installed inside the wind direction tracking device, and a yaw motor is meshed on the inner side of the gear bearing.

Further, the anemorumbometer uses a PTC100 thermistor.

Furthermore, the wind speed anemoscope is provided with wind cups for sensing wind speed, and the number of the wind cups is not less than 3.

Further, the tower is located closer to one side of the blade.

Further, the number of the blades is not less than 2.

Further, the yaw motor is controlled by the battery, and the battery discharge is controlled by the anemorumbometer.

The utility model has the following beneficial effects:

the automatic power supply of the yaw system is realized through the use of the anemorumbometer; through the use of the thermistor, the unnecessary damage loss caused by the working failure of normal temperature equipment in low temperature and severe environment is avoided.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive work.

FIG. 1 is a general schematic illustration of the practice of the present invention;

FIG. 2 is a partial cross-sectional view of an embodiment of the present invention;

FIG. 3 is a schematic view of the interior of the wind direction tracking device in the practice of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 1 in the practice of the present invention;

fig. 5 is an enlarged view of portion B of fig. 3 in the practice of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a tower; 2. a wind direction tracking device; 3. a nacelle; 4. an anemorumbometer; 5. a blade; 6. a storage battery; 7. a gear bearing; 8. a yaw motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments obtained by a person skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open", "upper", "lower", "top", "middle", "inner", and the like, indicate positional or orientational relationships and are used merely for convenience in describing the utility model and for simplicity in description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.

Referring to fig. 1-5, the utility model relates to an automatic power supply control device for a yaw system of a wind driven generator, which comprises a tower 1, wherein a wind direction tracking device 2 is rotatably connected to the upper surface of the tower 1, a nacelle 3 is fixedly connected to the upper surface of the wind direction tracking device 2, an anemoscope 4 is fixedly mounted on the upper surface of the outer portion of the nacelle 3 near the edge, a blade 5 is fixedly mounted on one side of the nacelle 3 far away from the anemoscope 4, and a storage battery 6 is fixedly mounted on one side of the inner portion of the nacelle 3 near the anemoscope 4.

In one embodiment, for the wind direction tracking device 2, a gear bearing 7 is fixedly installed inside the wind direction tracking device 2, and a yaw motor 8 is engaged inside the gear bearing 7, so that the yaw motor 8 drives the gear bearing 7 engaged therewith to rotate when operating and rotating, and simultaneously drives the nacelle 3 connected with the secondary wheel bearing to rotate, thereby realizing better power generation through proper wind direction rotation.

In one embodiment, the anemorumbometer 4 uses the PTC100 thermistor, so that the PTC100 thermistor senses temperature changes, heats up with the temperature decrease, and reduces with the temperature increase, thereby effectively removing the phenomenon that the anemorumbometer 4 freezes due to ice and snow weather, and further avoiding the anemorumbometer 4 from malfunctioning in a low-temperature and severe environment. In addition, during specific application, a heater is preferably added at some key parts of the wind driven generator to regulate and control the temperature, so that the wind driven generator can normally operate at low temperature.

In an embodiment, for the above-mentioned anemorumbometer 4, the wind speed sensing component of the anemorumbometer 4 is a wind cup, the number of the wind cups is not less than 3, so that the rotation is independent of the wind direction, the concave surface and the convex surface receive different wind pressures, the wind cup starts to rotate when receiving a torsional force, the rotation speed and the wind speed form a certain proportion, and even if the rotation of the blade 5 is stopped, the phenomenon that the rotation speed of the blade 5 is high due to an overlarge wind speed, the centrifugal force is large, and casualties or damage of the wind turbine generator is avoided.

In one embodiment, the tower 1 is located closer to the blade 5 than the tower 1, so that the blade 5 is heavier, the center of the blade is offset from the direction of the blade 5, and the tower 1 is located to reasonably distribute the force generated at the upper part, thereby improving the stability of the wind turbine.

In one embodiment, the number of the blades 5 is not less than 2, so that the blades 5 convert natural wind energy into kinetic energy, and then convert the kinetic energy into electric energy, thereby realizing wind power generation.

In one embodiment, for the upper yaw motor 8, the yaw motor 8 is controlled by the storage battery 6, and the discharge of the storage battery 6 is controlled by the anemorumbometer 4, so that the anemorumbometer 4 senses the wind speed and transmits the wind speed to the controller, so that the storage battery 6 storing electric energy supplies power to the yaw motor 8 to drive the nacelle 3 and the internal and external components to rotate, and further, the one-step control is performed to realize automatic power supply. In addition, when the wind driven generator is used specifically, a diesel generator can be preferably additionally arranged, and the wind driven generator is prevented from being damaged due to insufficient power of the storage battery 6.

In summary, according to the above technical solution of the present invention, wind energy is converted into kinetic energy by the blades 5, and then the kinetic energy is converted into electric energy by the generator inside the nacelle 3, and a part of the generated electric energy charges the storage battery 6, and another part of the generated electric energy is stored; anemorumbometer 4 responds to outside wind speed and direction and transmits to the controller, make battery 6 that stores the electric energy supply power to yaw motor 8 and operate and drive cabin 3 and inside and outside components and rotate, step by step control, realize yaw system's automatic power supply, meet the strong wind day, anemorumbometer 4 responds to and exceeds the default, transmit the controller immediately and make blade 5 stop, it is big to avoid the too big rotatory speed of blade 5 centrifugal force that leads to of wind speed, cause casualties or aerogenerator damage, anemorumbometer 4 has used PTC100 thermistor, can respond to the temperature change and heat along with the reduction of temperature, reduce along with the increase of temperature, effectively detach influences the phenomenon that anemorumbometer 4 freezes because of ice and snow weather, avoid anemorumbometer 4 at low temperature, the malfunction of working under adverse circumstances, cause aerogenerator damage.

By the technical scheme, 1, automatic power supply of the yaw system is realized by using the anemorumbometer 4; 2. through the use of the thermistor, the unnecessary damage loss caused by the working failure of normal temperature equipment in low temperature and severe environment is avoided.

In the description of the present specification, reference to the description of "one embodiment," "an example," "a specific example" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to help illustrate the utility model. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and its practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An automatic power supply control device of a wind driven generator yaw system comprises a tower (1), and is characterized in that: pylon (1) upper surface rotates and is connected with wind direction tracking device (2), wind direction tracking device (2) upper surface fixed connection has cabin (3), cabin (3) outside upper surface is close to marginal position department fixed mounting and has anemorumbometer (4), keep away from cabin (3) one side fixed mounting of anemorumbometer (4) has blade (5), cabin (3) inside is close to anemorumbometer (4) one side fixed mounting has battery (6).

2. The automatic power supply control device of the wind driven generator yaw system according to claim 1, characterized in that a gear bearing (7) is fixedly installed inside the wind direction tracking device (2), and a yaw motor (8) is engaged inside the gear bearing (7).

3. An automatic power supply control device of a wind turbine yaw system according to claim 1, characterized in that the anemorumbometer (4) uses PTC100 thermistors.

4. The automatic power supply control device of the wind driven generator yaw system is characterized in that the wind speed anemoscope (4) is provided with wind cups, and the number of the wind cups is not less than 3.

5. An automatic power supply control device of a wind driven generator yaw system according to claim 1, characterized in that the tower (1) is located close to one side of the blades (5).

6. An automatic power supply control device of a wind driven generator yaw system according to claim 1, characterized in that the number of the blades (5) is not less than 2.

7. An automatic power supply control device for a wind turbine yaw system according to claim 2, characterized in that the yaw motor (8) is controlled by the accumulator (6), and the discharge of the accumulator (6) is controlled by the anemoscope (4).