Small integrated electric steering engine device and aircraft

Abstract

The utility model provides a miniature integrated electric steering engine device and an aircraft, and belongs to the technical field of aircraft steering engines, the electric steering engine device comprises a motor, a speed reducer, a power unit, a rotation angle measuring part, a control unit and a communication unit, the speed reducer is connected with the motor, and the axial direction of the speed reducer is perpendicular to the axial direction of the motor; the power unit is connected to one end of the motor away from the reducer; the rotation angle measuring component is installed on an output shaft of the speed reducer. The control unit is connected to the speed reducer and arranged at the end opposite to the output end of the speed reducer. The communication unit is connected to one end of the control unit away from the reducer. The design that the axial direction of the speed reducer is perpendicular to the axial direction of the motor shortens the overall length of the device, the power unit, the rotation angle measuring component, the control unit and the communication unit are integrated with the motor and the speed reducer through the integrated design, miniaturization and integration are achieved, and the system complexity and the manufacturing cost are reduced.

Description

Technical Field

[0001] This invention belongs to the field of aircraft servo technology, and more specifically, relates to a small integrated electric servo device and an aircraft. Background Technology

[0002] Electric servo motors receive command signals from the flight control system and drive the wing surfaces to rotate, thus controlling the aircraft's flight attitude. Traditional servo motors generally consist of two parts: a servo controller and a servo motor. The servo controller receives command signals from the flight control system, houses the circuit boards needed to control the servo motor, and is enclosed in a sealed housing. The servo motor consists of a motor, a reducer, a potentiometer, etc. The servo controller and the servo motor are connected via onboard cables. In summary, currently used electric servo motor systems are complex in composition and interconnection, have high manufacturing costs, and are relatively large in size.

[0003] content

[0004] The purpose of this invention is to provide a small, integrated electric servo motor device and aircraft, which solves the problems of existing electric servo motor devices having complex system composition, complex interconnections, high manufacturing costs, and large size.

[0005] To achieve the above objectives, in a first aspect, a small integrated electric servo motor device is provided, comprising:

[0006] Electric motor;

[0007] A speed reducer, which is connected to the motor, and the axial direction of the output shaft of the speed reducer is perpendicular to the axial direction of the motor;

[0008] A power unit, the power unit being connected to the end of the motor furthest from the reducer;

[0009] A rotation angle measuring component, wherein the rotation angle measuring component is mounted on the output shaft of the reducer;

[0010] A control unit, which is connected to the reducer and located at the end opposite to the output end of the reducer;

[0011] A communication unit is connected to the end of the control unit that is furthest from the reducer.

[0012] Optionally, the power unit, the rotation angle measuring component, and the communication unit are electrically connected to the control unit, and the control unit drives the motor to rotate through the power unit.

[0013] Optionally, the rotation angle measuring component is an coded magnet.

[0014] Optionally, the coded magnet is mounted on one end of the output shaft near the control unit.

[0015] Optionally, the control unit includes a main control chip and a Hall position chip.

[0016] Optionally, the communication unit includes a CANFD transceiver chip or an RS422 transceiver chip.

[0017] Optionally, the power unit includes a drive circuit and a power conversion circuit.

[0018] Secondly, the present invention provides an aircraft comprising: the small integrated electric servo device described in the first aspect.

[0019] The beneficial effects of this utility model are as follows: It provides a small integrated electric servo motor device, including: a motor, a reducer, a power unit, a rotation angle measuring component, a control unit, and a communication unit. The reducer is connected to the motor, and the axis of the reducer is perpendicular to the axis of the motor. The power unit is connected to the end of the motor away from the reducer. The rotation angle measuring component is mounted on the output shaft of the reducer. The control unit is connected to the reducer and located at the end opposite to the output end of the reducer. The communication unit is connected to the end of the control unit away from the reducer. This electric servo motor device sets the axis of the reducer to be perpendicular to the axis of the motor, shortening the overall length of the device. Furthermore, through integrated design, the power unit, rotation angle measuring component, control unit, and communication unit are integrated with the motor and reducer, reducing the size of the device, achieving miniaturization and integration, and reducing system complexity and manufacturing costs.

[0020] Other features and advantages of this invention will be described in detail in the following detailed description section. Attached Figure Description

[0021] The above and other objects, features and advantages of the present invention will become more apparent from the more detailed description of the present exemplary embodiments in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components.

[0022] Figure 1 A schematic structural diagram of a small integrated electric servo device according to one embodiment of the present invention is shown.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Motor; 2. Power unit; 3. Communication unit; 4. Control unit; 5. Rotation angle measuring component; 6. Reducer; 7. Output shaft. Detailed Implementation

[0025] Preferred embodiments of the present invention will now be described in more detail. While preferred embodiments of the present invention are described below, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make the present invention more thorough and complete, and to fully convey the scope of the present invention to those skilled in the art.

[0026] like Figure 1 As shown, this embodiment provides a small integrated electric servo motor device, including:

[0027] Motor 1;

[0028] Reducer 6 is connected to motor 1, and the axial direction of the output shaft 7 of reducer 6 is perpendicular to the axial direction of motor 1.

[0029] Power unit 2 is connected to the end of motor 1 that is furthest from reducer 6;

[0030] Rotation angle measuring component 5 is mounted on the output shaft 7 of reducer 6;

[0031] Control unit 4 is connected to reducer 6 and is located at the end opposite to the output end of reducer 6;

[0032] Communication unit 3 is connected to the end of control unit 4 away from reducer 6.

[0033] Specifically, the electric servo motor device sets the axis of the reducer to be perpendicular to the axis of the motor, which shortens the overall length of the device. Furthermore, through integrated design, the power unit, rotation angle measuring component, control unit, and communication unit are integrated with the motor and reducer, reducing the size of the device, achieving miniaturization and integration, and reducing system complexity and manufacturing costs.

[0034] In this embodiment, the power unit 2, the rotation angle measuring component 5, and the communication unit 3 are electrically connected to the control unit 4, and the control unit 4 drives the motor 1 to rotate through the power unit 2.

[0035] Specifically, the power unit 2 is used to amplify the signal to drive the motor 1 to rotate, the rotation angle measuring component 5 is used to measure the rotation angle of the output shaft 7, the control unit 4 is used to implement the digital control algorithm based on the rotation angle of the output shaft 7, and the communication unit 3 is used to realize the communication interaction between the electric servo device and the outside world.

[0036] Optionally, the rotation angle measuring component 5 is an coded magnet.

[0037] Specifically, the position coding magnet is a radially magnetized circular magnet, which is installed on the output shaft 7 and rotates coaxially with the output shaft 7 to indicate the rotation angle of the output shaft 7 by means of a magnetic field.

[0038] Optionally, the encoder magnet is mounted on one end of the output shaft 7 near the control unit 4.

[0039] Specifically, the coded magnets are installed in this location without taking up additional installation space, making the overall structure compact.

[0040] In this embodiment, the control unit 4 includes a main control chip and a Hall position chip.

[0041] In this embodiment, the communication unit 3 includes a CANFD transceiver chip or an RS422 transceiver chip.

[0042] In this embodiment, the power unit 2 includes a drive circuit and a power conversion circuit.

[0043] This embodiment also provides an aircraft, including:

[0044] The small integrated electric servo motor device in this embodiment.

[0045] Specifically, the electric servo mechanism of the aircraft sets the axis of the reducer to be perpendicular to the axis of the motor, which shortens the overall length of the device. Furthermore, through integrated design, the power unit, rotation angle measuring component, control unit, and communication unit are integrated with the motor and reducer, reducing the size of the device, achieving miniaturization and integration, and reducing system complexity and manufacturing costs.

[0046] In this embodiment, the output shaft of the reducer 6 forms the servo output shaft, and the position encoding magnet is a radially magnetized circular magnet installed behind the servo output shaft; the control unit 4 is installed behind the reducer 6, above the position encoding magnet, to implement the digital control algorithm; the communication unit 3 is installed behind the reducer 6, above the control unit 4; and a connector is also included, which is connected to each circuit unit via wires.

[0047] The various embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A small integrated electric servo motor device, characterized in that, include: Motor (1); A speed reducer (6) is connected to the motor (1), and the axial direction of the output shaft (7) of the speed reducer (6) is perpendicular to the axial direction of the motor (1); Power unit (2), the power unit (2) is connected to the end of the motor (1) away from the reducer (6); A rotation angle measuring component (5) is mounted on the output shaft (7) of the reducer (6); Control unit (4), the control unit (4) is connected to the reducer (6) and is located at the end opposite to the output end of the reducer (6); A communication unit (3) is connected to the end of the control unit (4) away from the reducer (6).

2. The small integrated electric servo motor device according to claim 1, characterized in that, The power unit (2), the rotation angle measuring component (5) and the communication unit (3) are electrically connected to the control unit (4), and the control unit (4) drives the motor (1) to rotate through the power unit (2).

3. The small integrated electric servo motor device according to claim 1, characterized in that, The rotation angle measuring component (5) is an coded magnet.

4. The small integrated electric servo motor device according to claim 3, characterized in that, The coded magnet is mounted on one end of the output shaft (7) near the control unit (4).

5. The small integrated electric servo motor device according to claim 1, characterized in that, The control unit (4) includes a main control chip and a Hall position chip.

6. The small integrated electric servo motor device according to claim 1, characterized in that, The communication unit (3) includes: a CANFD transceiver chip or an RS422 transceiver chip.

7. The small integrated electric servo motor device according to claim 1, characterized in that, The power unit (2) includes a drive circuit and a power conversion circuit.

8. An aircraft, characterized in that, include: The small integrated electric servo device according to any one of claims 1-7.

Images