CN218093310U

CN218093310U - Measuring device for rotation angle of fan blade

Info

Publication number: CN218093310U
Application number: CN202221831969.XU
Authority: CN
Inventors: 吴飞; 吴廷波
Original assignee: Shanghai Puling Energy Technology Group Co ltd
Current assignee: Shanghai Puling Energy Technology Group Co ltd
Priority date: 2022-07-17
Filing date: 2022-07-17
Publication date: 2022-12-20
Anticipated expiration: 2032-07-17

Abstract

The utility model relates to a fan paddle technical field just discloses a fan paddle rotation angle's survey device, including installation wheel hub, installation wheel hub's inboard is provided with the paddle axle, the rear end of paddle axle is provided with the paddle blade, the surface of installation wheel hub front end is provided with the response piece, the avris of paddle axle front end is provided with displacement sensor, the avris of installation wheel hub front end is provided with the fixed mounting frame, the inboard of fixed mounting frame is provided with becomes the oar subassembly, logical groove has been seted up on the surface of paddle axle. This fan paddle rotation angle's survey device can drive the paddle axle through driving actuating cylinder and be located installation wheel hub and rotate to the angle of adjustment paddle utilizes the position of displacement sensor perception response piece simultaneously, thereby knows the pivoted distance, realizes paddle rotation angle's survey, and overall cost is lower, and is not fragile, has improved the practicality.

Description

Measuring device for rotation angle of fan blade

Technical Field

The utility model relates to a fan paddle technical field specifically is a fan paddle rotation angle's survey device.

Background

The wind power generation is a clean and pollution-free renewable energy source, the kinetic energy of wind is used for driving a fan blade to rotate, so that a motor is driven to rotate, the kinetic energy is converted into electric energy by using a conversion mechanism, the wind power generation is very environment-friendly, and the wind energy is huge in quantity, so that the wind power generation is increasingly emphasized by all countries in the world, the wind energy resources in China are rich, the wind power generation is developed and utilized on land and at sea, wind is one of pollution-free energy sources, and the wind power generation is inexhaustible, and the wind power generation is suitable for wind power generation according to local conditions in coastal islands, grassland pasturing areas, mountain areas and plateau areas with water shortage, fuel shortage and inconvenient traffic, is very suitable for being used, and has great significance for promoting the important field of renewable energy development, promoting the important force of wind power technical progress and industrial upgrading in the important measure of promoting energy structure adjustment, and accelerating offshore wind power project construction, and promoting atmospheric haze control, energy structure adjustment and economic conversion development mode in coastal areas.

At present, the wind wheel of the mainstream wind driven generator adopts a form of adding blades to a hub, in order to ensure the constant-speed rotation of the wind wheel, the windward angle of each blade of the wind turbine needs to be adjusted in real time through a variable-pitch system, the existing variable-pitch system induces the rotation angle of each blade of the wind turbine through an encoder, but the encoder is high in price and easy to damage, so that the maintenance cost is high, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a fan paddle rotation angle's survey device to solve the current change oar system that provides in the above-mentioned background art and respond to fan paddle rotation angle through the encoder, but the encoder price is higher and damage easily, leads to the maintenance cost higher, the lower problem of practicality.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a fan paddle rotation angle's survey device, includes installation wheel hub, installation wheel hub's inboard is provided with the paddle axle, the rear end of paddle axle is provided with the paddle blade, the surface of installation wheel hub front end is provided with the response piece, the avris of paddle axle front end is provided with displacement sensor, the avris of installation wheel hub front end is provided with the fixed mounting frame, the inboard of fixed mounting frame is provided with becomes the oar subassembly, logical groove has been seted up on the surface of paddle axle.

Preferably, the induction blocks are distributed in a circular array at the center of a circle of the mounting hub, and the induction blocks are matched with the displacement sensor.

Preferably, the fixed mounting frame is fixedly connected with the mounting hub, and the fixed mounting frame is slidably connected with the blade shaft.

Preferably, the variable pitch assembly comprises a driving cylinder, a connecting shaft, a fixed shaft and a connecting plate, the driving cylinder is installed on the inner side of the fixed mounting frame and is connected with the fixed mounting frame in a rotating mode through the connecting shaft, the fixed shaft is installed at the telescopic end of the driving cylinder, and the fixed shaft is fixedly connected with the blade shaft through the connecting plate.

Preferably, the lower end of the driving cylinder is provided with a control module, the control module is electrically connected with the driving cylinder, and the control module is electrically connected with the displacement sensor.

Compared with the prior art, the utility model provides a fan paddle rotation angle's survey device possesses following beneficial effect:

this fan paddle rotation angle's survey device can drive the paddle axle through driving actuating cylinder and be located installation wheel hub and rotate to the angle of adjustment paddle utilizes the position of displacement sensor perception response piece simultaneously, thereby knows the pivoted distance, realizes paddle rotation angle's survey, and overall cost is lower, and is not fragile, has improved the practicality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is the front view structure schematic diagram of the mounting hub of the utility model.

In the figure: 1. mounting a hub; 2. a blade shaft; 3. an induction block; 4. a displacement sensor; 5. fixing the mounting frame; 6. a pitch assembly; 601. a driving cylinder; 6011. a control module; 602. a connecting shaft; 603. a fixed shaft; 604. a connecting plate; 7. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

the first embodiment is as follows: the utility model provides a measuring device of fan paddle rotation angle, including installation wheel hub 1, the inboard of installation wheel hub 1 is provided with paddle shaft 2, the rear end of paddle shaft 2 is provided with the paddle blade, the surface of installation wheel hub 1 front end is provided with response piece 3, the avris of 2 front ends of paddle shaft is provided with displacement sensor 4, displacement sensor 4's model is L2140, response piece 3 is distributed with the centre of a circle annular array of installation wheel hub 1, response piece 3 and displacement sensor 4 mutual adaptation, the avris of installation wheel hub 1 front end is provided with fixed mounting frame 5, fixed mounting frame 5 and installation wheel hub 1 fixed connection, fixed

mounting frame

5 and 2 sliding connection of paddle shaft, the inboard of fixed mounting frame 5 is provided with becomes oar subassembly 6, logical groove 7 has been seted up on the surface of paddle shaft 2, through 4 perception response pieces 3 of displacement sensor, in the paddle shaft 2 rotation process, displacement sensor 4 responds to the response piece 3 of different positions, thereby note the quantity of rotation in-process response piece 3, and the angle between two response pieces 3 is fixed numerical value, thereby learn rotation angle through moving quantity, realize the survey work.

The second embodiment is different from the first embodiment in that the variable pitch assembly 6 includes a driving cylinder 601, a connecting shaft 602, a fixing shaft 603 and a connecting plate 604, the driving cylinder 601 is installed on the inner side of the fixed mounting frame 5, the driving cylinder 601 and the fixed mounting frame 5 are rotatably connected through the connecting shaft 602, the fixing shaft 603 is installed at the telescopic end of the driving cylinder 601, the fixing shaft 603 and the blade shaft 2 are fixedly connected through the connecting plate 604, a control module 6011 is installed at the lower end of the driving cylinder 601, the control module 6011 is electrically connected with the displacement sensor 4, the driving cylinder 601 is used to drive the fixing shaft 603 to move, so as to drive the blade shaft 2 to rotate in the mounting hub 1, thereby adjusting the blade angle is achieved, and the control is performed through the control module 6011, thereby improving the practicability.

The working principle is as follows: at first, utilize and drive actuating cylinder 601 and drive fixed axle 603 and remove, thereby it rotates to drive paddle axle 2 and be located installation wheel hub 1, realize the adjustment of paddle angle, and control through control module 6011, the practicality is improved, simultaneously through 4 perception response pieces 3 of displacement sensor, in the paddle axle 2 rotation in-process, displacement sensor 4 responds to the response piece 3 of different positions, thereby note the quantity of rotating in-process response piece 3, and the angle between two response pieces 3 is fixed numerical value, thereby learn turned angle through removing quantity, realize survey work, the overall cost is lower, it is not fragile, and the practicability is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a survey device of fan paddle rotation angle, includes installation wheel hub (1), its characterized in that: the inboard of installation wheel hub (1) is provided with paddle shaft (2), the rear end of paddle shaft (2) is provided with the paddle blade, the surface of installation wheel hub (1) front end is provided with response piece (3), the avris of paddle shaft (2) front end is provided with displacement sensor (4), the avris of installation wheel hub (1) front end is provided with fixed mounting frame (5), the inboard of fixed mounting frame (5) is provided with becomes oar subassembly (6), logical groove (7) have been seted up on the surface of paddle shaft (2).

2. The device for measuring the rotation angle of the fan blade according to claim 1, wherein: the induction blocks (3) are distributed in an annular array at the circle center of the mounting hub (1), and the induction blocks (3) are matched with the displacement sensor (4).

3. The device for measuring the rotation angle of the fan blade according to claim 1, wherein: the fixed mounting frame (5) is fixedly connected with the mounting hub (1), and the fixed mounting frame (5) is connected with the blade shaft (2) in a sliding manner.

4. The device for measuring the rotation angle of the fan blade according to claim 1, wherein: the variable pitch assembly (6) comprises a driving cylinder (601), a connecting shaft (602), a fixing shaft (603) and a connecting plate (604), the driving cylinder (601) is installed on the inner side of the fixed mounting frame (5), the driving cylinder (601) and the fixed mounting frame (5) are rotatably connected through the connecting shaft (602), the fixing shaft (603) is installed at the telescopic end of the driving cylinder (601), and the fixing shaft (603) and the blade shaft (2) are fixedly connected through the connecting plate (604).

5. The device for measuring the rotation angle of the fan blade according to claim 4, wherein: the lower extreme of drive actuating cylinder (601) is installed control module (6011), control module (6011) and drive actuating cylinder (601) electric connection, control module (6011) and displacement sensor (4) electric connection.