CN205499305U - Blade oblique angle adjusting device - Google Patents

Abstract

The utility model relates to a blade bevel angle adjustment device, which comprises an angle sensor, an angle adjustment motor control device, a power supply device, a control operation center and propeller blades, the angle sensor, the power supply device are electrically connected with the control operation center, and the The power supply unit is electrically connected to the angle adjustment motor control device; the angle sensor transmits the detected angle data to the control operation center; the control operation center compares the received propeller blade angle data information with the target angle information, and according to the difference The control signal is transmitted to the angle adjustment motor control device. The utility model can dynamically and instantaneously control the blade bevel angle under the condition that the rotation speed of the propeller blade is constant, and complete the driving forward, backward, acceleration and deceleration commands by changing the blade bevel angle angle, so that the complex speed change link becomes simple.

Description

Blade bevel adjustment device

technical field

The utility model relates to the field of propellers, in particular to a blade bevel angle adjustment device.

Background technique

The bevel angle of the propeller blades used in various drives at this stage is generally fixed, forward or backward is realized by forward and reverse rotation of the propeller, and acceleration or deceleration is realized by controlling the speed of the propeller. The propeller blade with a fixed bevel angle needs to perform different actions during the driving process to complete a different command, which makes the control device complicated and the control process cumbersome. At this time, it is necessary to provide a blade pitch adjustment device, which can complete the forward, backward, acceleration and deceleration commands during the driving process only by changing the angle of the propeller blades.

Contents of the invention

The technical problem to be solved by the utility model is to provide a blade bevel angle adjustment device, which can complete the forward, backward, acceleration and deceleration commands in the driving process only by changing the angle of the propeller blade.

The technical scheme of the utility model is as follows: a blade bevel angle adjustment device, including an angle sensor, an angle adjustment motor control device, a power supply device, a control operation center and a propeller blade,

The angle sensor, the power supply device are electrically connected to the control operation center, and the power supply device is electrically connected to the angle adjustment motor control device;

The angle sensor is used to detect the bevel angle of the propeller blade, and transmits the detected angle data to the control operation center;

The control operation center compares the received propeller blade angle data information with the target angle information according to the set target angle information of the propeller blade, and calculates the difference between the propeller blade angle data information and the target angle information, and according to the difference The positive and negative values are used to send the forward and reverse control signals of the angle adjustment motor, or when the difference is 0, the stop control signal is sent and transmitted to the angle adjustment motor control device;

The angle-adjusting motor control device controls the forward rotation, reverse rotation or stop of the angle-adjusting motor according to the received forward rotation, reverse rotation and stop control signals;

The angle-adjusting motor is interlocked with the propeller blades to drive the propeller blades to rotate back and forth within a preset angle range or to stop.

Preferably, the blade pitch adjustment device further includes a rotating shaft, the propeller blade is installed on one end of the rotating shaft, and the angle adjustment motor is installed in the rotating shaft at the root of the propeller blade.

Preferably, the angle sensor is installed at the root of the propeller blade.

The working principle of the utility model is: the angle sensor detects the bevel angle of the propeller blade, and transmits the detected angle data to the control operation center; the control operation center transfers the received propeller blade angle information according to the set target angle information Compare the blade angle data information with the target angle information, calculate the difference between the propeller blade angle data information and the target angle information, and send the forward and reverse control signals of the angle adjustment motor according to the positive and negative values of the difference, or when the difference is 0 When the stop control signal is sent, it is transmitted to the angle adjustment motor control device; the angle adjustment motor control device controls the forward rotation, reverse rotation or stop of the angle adjustment motor according to the received forward rotation, reverse rotation, and stop control signals, and the angle adjustment motor drives The propeller blades rotate back and forth or stop within a preset angle range.

The beneficial effects of the utility model:

1. The utility model can dynamically and instantaneously control the blade bevel angle under the condition that the speed of the propeller blade is constant, and complete the driving forward, backward, acceleration and deceleration commands by changing the blade bevel angle angle, so that the complex speed change link becomes simple ;

2. The utility model uses an angle sensor to detect the bevel angle of the propeller blade in real time, and provides real-time data information for the control operation center, so that the control signal made by the control operation center is more accurate;

3. The utility model uses an angle-adjusting motor to drive and control the adjustment of the propeller blade angle, which makes the adjustment process simpler.

Description of drawings

Fig. 1 is the working principle diagram of the utility model

Fig. 2 is the structural diagram of the utility model

1-angle sensor; 2-power supply device; 3-propeller blade; 4-angle adjustment motor; 5-rotating shaft.

detailed description

Illustrate the utility model below by accompanying drawing and embodiment.

Example 1

This embodiment provides a blade pitch adjustment device, including an angle sensor 1, an angle adjustment motor control device, a power supply device 2, a control operation center and a propeller blade 3,

The angle sensor 1 and the power supply unit 2 are electrically connected to the control operation center, and the power supply unit 2 is electrically connected to the angle adjustment motor control unit;

The angle sensor 1 is used to detect the bevel angle of the propeller blade 3, and transmit the detected angle data to the control operation center;

The control operation center compares the received propeller blade 3 angle data information with the target angle information according to the set target angle information of the propeller blade 3, and calculates the difference between the propeller blade 3 angle data information and the target angle information, Send the forward rotation and reverse rotation control signals of the angle adjustment motor 4 according to the positive and negative values of the difference, or send a stop control signal when the difference is 0, and transmit it to the angle adjustment motor control device;

The angle-adjusting motor control device controls the forward rotation, reverse rotation or stop of the angle-adjusting motor 4 according to the received forward rotation, reverse rotation, and stop control signals;

The angle-adjusting motor 4 is interlocked with the propeller blade 3 to drive the propeller blade 3 to rotate back and forth within a preset angle range or to stop.

The blade pitch adjustment device also includes a rotating shaft 5, the propeller blade 3 is installed on one end of the rotating shaft 5, and the angle adjustment motor 4 is installed in the rotating shaft 5 at the root of the propeller blade 3.

The angle sensor 1 is installed on the root of the propeller blade 3 .

The working principle of the utility model is: the angle sensor 1 detects the bevel angle of the propeller blade 3, and transmits the detected angle data to the control operation center; the control operation center will receive The obtained propeller blade 3 angle data information is compared with the target angle information, the difference between the propeller blade 3 angle data information and the target angle information is calculated, and the forward rotation and reverse rotation control signals of the angle adjustment motor 4 are sent according to the positive and negative values of the difference. Or send a stop control signal when the difference is 0, and transmit it to the angle adjustment motor control device; the angle adjustment motor control device controls the forward rotation and reverse rotation of the angle adjustment motor 4 according to the received forward rotation, reverse rotation, and stop control signals Or stop, the angle adjustment motor 4 drives the propeller blade 3 to rotate back and forth in the preset angle range or stop.

Claims (3)

1. a blade oblique angle adjusting apparatus, controls device, supply unit (2) including angular transducer (1), Angle Modulation Motor, controls operation center and propeller blade (3), it is characterised in that:

Described angular transducer (1), supply unit (2) electrically connect with controlling operation center, and described supply unit (2) controls device with Angle Modulation Motor and electrically connects；

Described angular transducer (1) is used for detecting the angle of bevel of propeller blade (3), and is transferred to the angle-data detected control operation center；

Described controls operation center's target angle information according to the propeller blade (3) set, propeller blade (3) the angle-data information received is contrasted with target angle information, calculate propeller blade (3) angle-data information and target angle information difference, Angle Modulation Motor (4) rotating forward, reverse control signal is sent according to difference positive and negative values, or send stopping control signal when difference is 0, transmit to Angle Modulation Motor control device；

Described Angle Modulation Motor control device according to the rotating forward received, invert, stop control signal, the forward, reverse or stop controlling Angle Modulation Motor (4) stop；

Described Angle Modulation Motor (4) interlocks with propeller blade (3), drives propeller blade (3) to come back rotation or stopping in default angular range.

Blade oblique angle the most according to claim 1 adjusting apparatus, it is characterized in that: also include rotating shaft (5), described propeller blade (3) is installed on one end of rotating shaft (5), and described Angle Modulation Motor (4) is installed in the rotating shaft (5) of propeller blade (3) root.

Blade oblique angle the most according to claim 1 adjusting apparatus, it is characterised in that: described angular transducer (1) is installed on the root of propeller blade (3).