CN219431967U

CN219431967U - Wind driven generator speed control device

Info

Publication number: CN219431967U
Application number: CN202320405229.8U
Authority: CN
Inventors: 田彩芳; 王斌
Original assignee: Guoxing Century Chengdu Industrial Development Co ltd
Current assignee: Guoxing Century Chengdu Industrial Development Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-28
Anticipated expiration: 2033-03-07

Abstract

The utility model discloses a wind driven generator speed control device, which comprises a support column, wherein a power generation mechanism and a speed control mechanism are fixedly connected to the support column, the power generation mechanism can blow a fan blade to rotate through wind and increase the speed through the speed increasing mechanism, so that a generator can generate power, the power generation efficiency is maximized, the speed control mechanism can control the rotating speed of the fan blade according to the internal temperature and the strength of a point ball, so that the damage of a device and the overlarge current strength are prevented.

Description

Wind driven generator speed control device

Technical Field

The utility model relates to the field of wind power generation, in particular to a speed control device of a wind power generator.

Background

The existing wind driven generator speed control device has certain defects when in use, is inconvenient to use, is easy to have high temperature in a generator set, and can cause damage to internal devices if a fan blade is continuously rotated, so an automatic speed control device is needed to be added, the current intensity requirement is exceeded when the fan blade is too fast, and the fan blade is also required to be decelerated to achieve proper current intensity, so the device capable of automatically controlling the speed is needed to replace the existing device;

in this regard, the patent with publication number CN201198815Y discloses a braking device for a wind driven generator, which comprises an electromagnetic braking mechanism arranged between a rotating shaft of the wind driven generator and a frame or a casing of the wind driven generator. According to the utility model, the tail end of the rotating shaft of the wind driven generator extends out of the shell, the attraction electromagnetic brake mechanism is additionally arranged between the tail end of the extending rotating shaft and the tail end face of the shell, and the rotating shaft is decelerated and stopped by the friction force between attraction surfaces of the attraction electromagnetic brake mechanism. The friction surfaces are arranged outside the casing, and the mechanism is generally started when the wind force is excessive, so that heat generated between the friction surfaces can be rapidly dissipated. The working time of the electromagnetic block can be controlled by a temperature or current sensor arranged in the generator, and when the temperature or current meets the design requirement, the electromagnetic block stops working, and the brake block is released, so that the wind driven generator can continue working. The utility model has simple structure, high stability, high reliability and low cost;

the brake device of the wind driven generator in the above case does not solve the problem that the device is damaged easily due to the too high internal temperature and the current is too strong due to the fast wind She Zhuaisu.

Disclosure of Invention

The utility model aims to provide a speed control device of a wind driven generator, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wind-driven generator speed control device, includes the support column, fixedly connected with power generation facility and accuse speed mechanism on the support column, power generation facility can be through wind blowing fan blade rotation, through speed increasing mechanism's acceleration rate to make the generator generate electricity, maximize the efficiency of electricity generation, accuse speed mechanism can control the rotational speed of fan blade according to inside temperature and nodulizing intensity, thereby prevent that the device from damaging and current intensity is too big.

The utility model provides a wind power generation device, including the support column, support column up end fixedly connected with cabin, be equipped with the power generation chamber in the cabin, terminal surface fixedly connected with generator under the power generation chamber, the generator front side is equipped with fixedly connected with the speed increasing mechanism of terminal surface under the power generation chamber, speed increasing mechanism with be equipped with high-speed axle between the generator, speed increasing mechanism front side rotates and is connected with the low-speed axle that the other end is located the outside, speed increasing mechanism can with follow after the rotational speed acceleration of low-speed axle high-speed axle output, low-speed axle fixedly connected with is located the wheel hub in the outside, wheel hub fixedly connected with three evenly distributed's fan blade, the fan blade can rotate through wind-force to wind power generation carries out.

The speed control mechanism comprises a fixed block fixedly connected with the front end surface of the engine room, an electromagnetic cavity is arranged in the fixed block, a coil is fixedly connected in the electromagnetic cavity, magnetism can be generated after the coil is electrified, a fixed friction plate is fixedly connected with the front end surface of the fixed block, a speed reducing block is fixedly connected with the front side of the fixed block, a return spring is fixedly connected with the rear end surface of the speed reducing block, a speed reducing friction plate is fixedly connected with the other end of the return spring, the speed reducing friction plate can contact with the fixed friction plate after the coil is electrified, the rotating speed of the low speed shaft is reduced through mutual friction, and accordingly speed control effect can be achieved, and the speed reducing friction plate is in sliding connection with the low speed shaft.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model can utilize wind power to rotate the fan blade through the supporting column, the fan blade and the speed increasing mechanism, and then generate electricity after the fan blade is accelerated by the speed increasing mechanism, so that the maximum efficiency wind power generation is realized.

Drawings

FIG. 1 is a three-dimensional schematic of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view in section A-A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a top plan view of the front view of FIG. 1;

FIG. 6 is a three-dimensional schematic diagram of a speed control mechanism according to the present utility model;

FIG. 7 is a three-dimensional schematic view of the components of the power generation mechanism of the present utility model.

In the figure: 100. a support column; 101. a nacelle; 102. a hub; 103. a fan blade; 104. a fixed block; 105. a deceleration block; 106. a power generation cavity; 107. a generator; 108. a high-speed shaft; 109. a speed increasing mechanism; 110. a low speed shaft; 111. a return spring; 112. a deceleration friction plate; 113. a fixed friction plate; 114. an electromagnetic cavity; 115. a coil; 116. a power generation mechanism; 117. and the speed control mechanism.

Detailed Description

The present utility model will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Example 1:

referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a wind-driven generator speed control device, includes support column 100, fixedly connected with power generation mechanism 116 and accuse fast mechanism 117 on the support column 100, power generation mechanism 116 can be through wind blowing fan blade rotation, through speed increasing mechanism's acceleration rate to make the generator generate electricity, maximize the efficiency of electricity generation, accuse fast mechanism 117 can be according to inside temperature and the rotational speed of the control fan blade of ball intensity, thereby prevent that the device from damaging and current intensity is too big.

The power generation mechanism 116 comprises the support column 100, the upper end surface of the support column 100 is fixedly connected with the cabin 101, a power generation cavity 106 is arranged in the cabin 101, a power generator 107 is fixedly connected to the lower end surface of the power generation cavity 106, a speed increasing mechanism 109 fixedly connected to the lower end surface of the power generation cavity 106 is arranged on the front side of the power generator 107, a high-speed shaft 108 is arranged between the speed increasing mechanism 109 and the power generator 107, a low-speed shaft 110 with the other end positioned on the outer side is rotatably connected to the front side of the speed increasing mechanism 109, the speed increasing mechanism 109 can increase the rotating speed of the low-speed shaft 110 and then output the rotating speed from the high-speed shaft 108, a hub 102 positioned on the outer side is fixedly connected to the low-speed shaft 110, three uniformly distributed fan blades 103 are fixedly connected to the hub 102, and the fan blades 103 can rotate through wind power so as to generate wind power;

the speed control mechanism 117 comprises a fixed block 104 fixedly connected with the front end surface of the cabin 101, an electromagnetic cavity 114 is arranged in the fixed block 104, a coil 115 is fixedly connected in the electromagnetic cavity 114, magnetism can be generated after the coil 115 is electrified, a fixed friction plate 113 is fixedly connected with the front end surface of the fixed block 104, a speed reduction block 105 positioned on the front side of the fixed block 104 is fixedly connected with a low-speed shaft 110, a return spring 111 is fixedly connected with the rear end surface of the speed reduction block 105, a speed reduction friction plate 112 is fixedly connected with the other end of the return spring 111, the speed reduction friction plate 112 can contact the fixed friction plate 113 after the coil 115 is electrified, and the speed reduction friction plate 112 and the low-speed shaft 110 are mutually rubbed to reduce the rotating speed of the low-speed shaft 110, so that the speed control function can be realized.

Working principle:

when the wind blows the fan blade 103, the fan blade 103 is driven to rotate, the hub 102 is driven to rotate, the low-speed shaft 110 is driven to rotate through the speed increasing of the speed increasing mechanism 109, the high-speed shaft 108 is driven to rotate, the generator 107 is enabled to generate electricity, when the temperature in the power generation cavity 106 is too high or the rotating speed of the fan blade 103 is too high, the generated current intensity is too high, the coil 115 is automatically electrified, the decelerating friction plate 112 is driven to move, the decelerating friction plate 112 and the fixed friction plate 113 are enabled to rub against each other, the rotating speed of the decelerating friction plate 112 is reduced, the rotating speed of the low-speed shaft 110 is reduced, the rotating speed of the hub 102 is reduced, the rotating speed of the fan blade 103 is reduced, when the temperature is recovered to a proper temperature or the current reaches the strength requirement, the coil 115 is automatically powered off, the restoring spring 111 drives the decelerating friction plate 112 to return to the initial position, the automatic speed control requirement is achieved, the generator is protected, and the service life is prolonged.

It will be apparent to those skilled in the art that various modifications and variations can be made to the disclosed embodiments. Other embodiments will be apparent to those skilled in the art from consideration of the specification and practice of the disclosed system. It is intended that the specification and examples be considered as exemplary only, with a true scope being indicated by the following claims and their equivalents.

Claims

1. The utility model provides a wind-driven generator speed control device, includes support column (100), its characterized in that: the support column (100) is fixedly connected with a power generation mechanism (116) and a speed control mechanism (117), and the power generation mechanism (116) can rotate through wind blowing fan blades and speed is increased through a speed increasing mechanism.

2. A wind turbine speed control device according to claim 1, wherein: therefore, the generator generates electricity, the electricity generation efficiency is maximized, and the speed control mechanism (117) can control the rotating speed of the fan blade according to the internal temperature and the ball point intensity, so that the damage of devices and the overlarge current intensity are prevented.

3. A wind turbine speed control device according to claim 2, wherein: the power generation mechanism (116) comprises the supporting column (100), the upper end face of the supporting column (100) is fixedly connected with the engine room (101), a power generation cavity (106) is arranged in the engine room (101), and the lower end face of the power generation cavity (106) is fixedly connected with the power generator (107).

4. A wind turbine speed control device according to claim 3, wherein: the front side of the generator (107) is provided with a speed increasing mechanism (109) fixedly connected with the lower end face of the power generation cavity (106), a high-speed shaft (108) is arranged between the speed increasing mechanism (109) and the generator (107), and the front side of the speed increasing mechanism (109) is rotationally connected with a low-speed shaft (110) with the other end positioned on the outer side.

5. The wind turbine speed control device according to claim 4, wherein: the speed increasing mechanism (109) can increase the rotation speed of the low-speed shaft (110) and then output the rotation speed from the high-speed shaft (108), the low-speed shaft (110) is fixedly connected with a hub (102) positioned on the outer side, and the hub (102) is fixedly connected with three evenly distributed fan blades (103).

6. The wind turbine speed control device of claim 5, wherein: the speed control mechanism (117) comprises a fixed block (104) fixedly connected with the front end face of the engine room (101), an electromagnetic cavity (114) is arranged in the fixed block (104), a coil (115) is fixedly connected in the electromagnetic cavity (114), and magnetism can be generated after the coil (115) is electrified.

7. The wind turbine speed control device of claim 6, wherein: the fixed friction plate (113) is fixedly connected to the front end face of the fixed block (104), the low-speed shaft (110) is fixedly connected with the speed reduction block (105) which is arranged on the front side of the fixed block (104), the reset spring (111) is fixedly connected to the rear end face of the speed reduction block (105), and the speed reduction friction plate (112) is fixedly connected to the other end of the reset spring (111).

8. The wind turbine speed control device of claim 7, wherein: the decelerating friction plate (112) is slidably connected to the low speed shaft (110).