CN204359474U - Electric rotating machine gullet positioning torque proving installation - Google Patents

Abstract

The utility model relates to a motor performance testing technology, in particular to a cogging positioning torque testing device for a rotating motor, comprising a torque sensor, a position sensor and a harmonic reducer installed on the test platform; the torque sensor is connected with the motor to be tested, and the torque The sensor is connected to the input end of the position sensor, the output end of the position sensor is connected to the harmonic reducer, and the harmonic reducer is connected to the drive motor; the torque sensor is also connected to the data acquisition and processing device for processing the data collected by the torque speed sensor The system is connected. The utility model measures the cogging torque and motor position of the motor to be tested through the torque sensor and the position sensor, and processes the data collected by the torque sensor through the data acquisition and processing system. The utility model can realize the cogging torque of the motor The automatic test can fully reflect the cogging torque of the motor in the range of 360 degrees, and provide accurate data basis for the performance analysis of the motor.

Description

Rotating electrical machine cogging torque test device

technical field

The utility model relates to a motor performance testing technology, in particular to a cogging torque testing device for a rotary motor.

Background technique

The traditional measurement method of the cogging torque of the motor is to use the method of hanging weights. This method is simple and easy to implement, but the accuracy is poor, and it cannot reflect the continuous change of the cogging torque within one revolution. Therefore, only a rough measurement can be made.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the above-mentioned prior art, and provide a rotating motor cogging torque testing device that can accurately detect the cogging torque of the motor and provide accurate data support for the design of the motor.

In order to solve the above problems, the technical solution adopted by the utility model is: a torque speed sensor installed on the test platform for collecting the cogging torque of the motor to be tested, a position sensor for collecting the position information of the motor to be tested, and a sensor for Drive the driving device for driving the rotation of the torque speed sensor, the position sensor and the motor to be tested;

The input end of the torque speed sensor is connected to the motor to be tested, the output end of the torque speed sensor is connected to the input end of the position sensor, and the output end of the position sensor is connected to the driving device.

The torque speed sensor and the position sensor are also connected with a data acquisition and processing system for processing the data collected by the torque speed sensor and the position sensor and obtaining the performance curve of the cogging torque of the motor to be tested.

The driving device includes a harmonic speed reducer connected with the position sensor and a servo motor connected with the harmonic speed reducer.

Said harmonic reducer adopts XB series harmonic drive reducer.

The motor to be tested is a rotating motor.

The position sensor is an angular position sensor.

The input end of the torque speed sensor is connected with the motor to be tested through the No. 1 shaft coupling, and the output end of the torque speed sensor is connected with the position sensor through the No. 2 shaft coupling.

The position sensor and the drive device bracket are provided with a drive device bracket fixed on the test platform, and the drive device and the position sensor are respectively fixed on both sides of the drive device bracket;

The torque speed sensor is fixedly installed on the test platform through a torque speed sensor bracket for supporting the torque speed sensor;

The motor to be tested is fixedly installed on the test platform through a motor bracket for supporting the motor to be tested.

The data acquisition and processing system includes:

A data acquisition module for converting the collected analog electrical signal of the cogging torque of the motor to be tested into a digital electrical signal output;

It is used to calculate the digital electrical signal and use the motor torque calculation formula to calculate the cogging torque within a certain range of the motor to be tested, and calculate the cogging torque within a range of 360 degrees according to the obtained cogging torque. A data processing module that draws the cogging torque of the motor to be tested and plots it as a performance curve of the motor's cogging torque;

A display module for displaying the cogging torque performance curve of the motor to be tested according to the calculation result of the data processing module.

Compared with the prior art, the utility model has the following beneficial effects: the utility model combines the torque speed sensor, the position sensor and the driving device for driving the torque speed sensor, the position sensor and the motor to be tested on the test platform, Then connect them with the data acquisition and processing system to form a cogging torque automatic test system, measure the cogging torque and motor position of the motor to be tested through the torque speed sensor and position sensor, and use the data acquisition and processing system to connect the torque sensor, The data collected by the position sensor is processed, and finally the performance curve of the cogging torque of the motor is obtained. The utility model can realize the automatic test of the cogging torque of the motor, and can fully reflect the cogging positioning of the motor within the range of 360 degrees The torque provides accurate data basis for the performance analysis of the motor.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Among them, 1. Test platform; 2. Motor to be tested; 3. Torque speed sensor; 4. Position sensor; 5. Coupling No. 1; 6. Coupling No. 2; 7. Harmonic reducer; 8. Drive motor.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail:

Referring to Fig. 1, the utility model comprises the torque speed sensor 3 that is fixedly installed on the test platform 1 by the torque speed sensor bracket for supporting the torque speed sensor 3, and the torque speed sensor 3 is used to collect the cogging positioning rotation speed of the motor 2 to be tested. Moment; the harmonic reducer 7 fixedly installed on the test platform 1 by the harmonic support for supporting the harmonic reducer 7, and the test platform 1 fixedly installed on the test platform 1 by the motor support for supporting the motor 2 to be tested Measuring motor 2, wherein the input end of the torque speed sensor 3 is connected to the motor 2 to be tested through the No. 1 shaft coupling 5, and the output end of the torque speed sensor 3 is connected to the input end of the position sensor 4 through the No. 2 shaft coupling 6, The output end of the position sensor 4 is connected with the harmonic reducer 7, and the harmonic reducer 7 is connected with the driving motor 8;

The torque speed sensor 3 and the position sensor 4 are also connected with a data acquisition and processing system for processing the data collected by the torque speed sensor 3 and the position sensor 4 and obtaining the performance curve of the cogging torque of the motor to be tested.

The harmonic reducer 7 of the present utility model adopts the XB series harmonic drive reducer.

The motor 2 to be tested of the utility model is a rotary motor.

The position sensor 4 of the present utility model is an angular position sensor.

The data collection and processing system of the present utility model comprises:

A data acquisition module for converting the collected analog electrical signal of the cogging torque into a digital electrical signal output;

It is used to calculate the digital electrical signal and use the motor torque calculation formula to calculate the cogging torque within a certain range of the motor to be tested, and calculate the cogging torque within a range of 360 degrees according to the obtained cogging torque. A data processing module that draws the cogging torque of the motor to be tested and plots it as a performance curve of the motor's cogging torque;

A display module for displaying the cogging torque performance curve of the motor to be tested according to the calculation result of the data processing module.

Working process of the present utility model:

When in use, the torque speed sensor 3, the motor to be tested 2 and the harmonic sensor 7 are fixed on the test platform 1 through the torque sensor bracket, the motor bracket and the harmonic bracket, and then they are connected with the data acquisition and processing system to form a cogging positioning rotation The torque automatic test system measures the cogging torque and motor position of the motor 2 to be tested through the torque sensor 3 and the position sensor 4, processes the data collected by the torque speed sensor 3 through the data acquisition and processing system, and finally obtains the motor The performance curve of the cogging torque, the utility model can realize the automatic test of the cogging torque of the motor, the utility model is simple in structure, easy to realize, but high in precision, and can fully reflect the cogging positioning of the motor in the range of 360 degrees The torque provides accurate data basis for the performance analysis of the motor.

Claims (8)

1. Rotating electrical machine cogging torque testing device, it is characterized in that: comprise the torque rotational speed sensor (3) that is installed on the test platform (1) and be used for collecting the cogging torque of motor to be tested, be used for collecting A position sensor (4) for the position information of the motor (2) and a driving device for driving the rotation of the torque speed sensor (3), the position sensor (4) and the motor to be measured (2); The input end of described torque speed sensor (3) links to each other with the motor (2) to be measured, and the output end of torque speed sensor (3) links to each other with the input end of position sensor (4), and the output end of position sensor (4) is connected with drive connection, The torque speed sensor (3) and the position sensor (4) are also used to process the data collected by the torque speed sensor (3) and the position sensor (4) and obtain the cogging torque of the motor to be measured The data acquisition and processing system of the performance curve is connected. 2. The cogging torque testing device for rotating electrical machines according to claim 1, characterized in that: the drive device includes a harmonic reducer (7) connected to the position sensor (4) and a harmonic reducer connected to the harmonic reducer (7) Connect the servo motor (8). 3. The device for testing cogging torque of a rotating electrical machine according to claim 2, characterized in that: the harmonic reducer (7) is an XB series harmonic drive reducer. 4. The device for testing cogging torque of a rotating electric machine according to claim 1, characterized in that: the electric machine (2) to be tested is a rotating electric machine. 5. The device for testing cogging torque of a rotating electrical machine according to claim 1, characterized in that the position sensor (4) is an angular position sensor. 6. The cogging torque testing device for rotating electrical machines according to claim 1, characterized in that: the input end of the torque speed sensor (3) is connected to the motor to be tested (2) through the No. 1 shaft coupling (5) ), and the output end of the torque speed sensor (3) is connected with the position sensor (4) through the No. 2 shaft coupling (6). 7. The cogging torque testing device for rotating electrical machines according to claim 1, characterized in that: the position sensor (4) and the drive device support are provided with a drive device support fixed on the test platform (1), the drive device and The position sensor (4) is respectively fixed on both sides of the drive device bracket; The torque speed sensor (3) is fixedly installed on the test platform (1) through a torque speed sensor bracket for supporting the torque speed sensor (3); The motor to be tested (2) is fixedly installed on the test platform (1) through a motor bracket for supporting the motor to be tested (2). 8. The rotating electrical machine cogging torque test device according to claim 1, characterized in that: the data acquisition and processing system comprises: A data acquisition module for converting the collected analog electrical signal of the cogging torque of the motor to be tested into a digital electrical signal output; It is used to calculate the digital electrical signal and use the motor torque calculation formula to calculate the cogging torque within a certain range of the motor to be tested, and calculate the cogging torque within a range of 360 degrees according to the obtained cogging torque. A data processing module that draws the cogging torque of the motor to be tested and plots it as a performance curve of the motor's cogging torque; A display module for displaying the cogging torque performance curve of the motor to be tested according to the calculation result of the data processing module.