Motor rotor magnetic flux measuring platform

Abstract

A motor rotor magnetic flux measuring platform disclosed by the present invention comprises a base with an XYZ slide rail at the top, a rotation driving device, a Hall sensor array and a data processing terminal, the data processing terminal is arranged at one side of the base, the Hall sensor array is connected with the base through a support, and the Hall sensor array is connected with the support through a support. The rotation driving device is arranged on one side of the Hall sensor array, and the data processing terminal comprises a signal amplification circuit and a temperature compensation algorithm module. The magnetic flux measuring platform for the motor rotor can adapt to rotors of multiple specifications and is high in measuring precision.

Description

Technical Field

[0001] The present invention relates to the technical field of motor testing, and particularly to a magnetic flux measurement platform for a motor rotor. Background Art

[0002] During the current production process of motor rotors, magnetic flux detection mostly uses hand-held devices for segmented measurement, which has problems such as low efficiency, poor data consistency, and large manual operation errors. Fixed detection devices in the prior art often cannot adapt to rotors of different sizes and lack a temperature compensation function, resulting in limited measurement accuracy. Summary of the Invention

[0003] In view of the above problems, the present invention provides a magnetic flux measurement platform for a motor rotor, which can adapt to multiple specifications of rotors and has high measurement accuracy.

[0004] The technical solution of the present invention is as follows:

[0005] A magnetic flux measurement platform for a motor rotor includes a base with XYZ rails at the top, a rotation driving device, a Hall sensor array, and a data processing terminal. The data processing terminal is arranged on one side of the base. The Hall sensor array is connected to the base through a bracket. The rotation driving device is arranged on one side of the Hall sensor array. The data processing terminal includes a signal amplification circuit and a temperature compensation algorithm module.

[0006] In a further technical solution, the rotation driving device includes a stepper motor.

[0007] In a further technical solution, three groups of spring-damping shock absorbers are arranged at the bottom of the base.

[0008] In a further technical solution, the Hall sensor array includes 8 - 16 linear Hall elements, and its bracket is a ball screw slide table with a scale ruler.

[0009] In a further technical solution, a resistor is arranged on one side of the Hall sensor.

[0010] In a further technical solution, the data processing terminal includes an ADC module, an embedded ARM processor, a touch screen, and a data storage unit.

[0011] In a further technical solution, the XYZ rails are hardened stainless steel rails.

[0012] The beneficial effects of the present invention are as follows:

[0013] The XYZ-axis rails are arranged on the base to adapt to the installation of rotors of different sizes. The stepper motor facilitates the control of the rotation angle. The spacing of the sensor array is adjustable to cover the magnetic poles on the surface of the rotor. A PT100 temperature probe is integrated beside the sensor, and the influence of temperature drift is eliminated through an algorithm. Description of the Drawings

[0014] Figure 1 It is a schematic structural diagram of a motor rotor magnetic flux measurement platform according to an embodiment of the present invention.

[0015] Description of the Reference Numerals in the Drawings:

[0016] 1. Base; 2. Rotation driving device; 3. Hall sensor array; 31. Hall sensor; 32. Resistor; 4. Bracket; 5. Data processing terminal; 6. Spring-damping shock absorber. Detailed Embodiment

[0017] The embodiments of the present invention will be further described below with reference to the drawings.

[0018] Embodiment:

[0019] As Figure 1 shown, a motor rotor magnetic flux measurement platform, characterized in that it includes a base 1 with XYZ sliding rails at the top, a rotation driving device 2, a Hall sensor array 3 and a data processing terminal 5. The rotation driving device 2 includes a stepping motor. The data processing terminal 5 is arranged on one side of the base 1. Among them, the Hall sensor array 3 is connected to the base 1 through a bracket 4. The rotation driving device 2 is arranged on one side of the Hall sensor array 3. The data processing terminal 5 includes a signal amplification circuit and a temperature compensation algorithm module; the Hall sensor array 3 contains 8-16 linear Hall elements, and its bracket 4 is a ball screw slide table with a scale ruler; a PT100 platinum resistor 32 is arranged on one side of the Hall sensor 31; the data processing terminal 5 includes an ADC module, an embedded ARM processor, a touch screen and a data storage unit.

[0020] The working principle of the above technical solution is as follows:

[0021] The XYZ axial sliding rails are arranged on the base 1 to adapt to the installation of rotors of different sizes. The stepping motor facilitates the control of the rotation angle. The spacing of the sensor array is adjustable to cover the magnetic poles on the surface of the rotor; a PT100 temperature probe is integrated beside the sensor, and the influence of temperature drift is eliminated through an algorithm.

[0022] In another embodiment, as Figure 1 shown, three groups of spring-damping shock absorbers 6 are arranged at the bottom of the base 1, and the damping coefficient is 0.25-0.35 N·s / mm, and the natural frequency is less than 10 Hz.

[0023] In another embodiment, the XYZ sliding rails are hardened stainless steel guide rails.

[0024] The surface hardness of the XYZ sliding rails is ≥HRC58, and with a pneumatic locking mechanism, the position offset after positioning is ≤0.01 mm.

[0025] The above-described embodiments merely represent specific implementation manners of the present invention. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can still be made, and these all fall within the protection scope of the present invention.

Claims

1. A motor rotor magnetic flux measurement platform, characterized in that, It includes a base with XYZ slide rails at the top, a rotation drive device, a Hall sensor array, and a data processing terminal. The data processing terminal is arranged on one side of the base. Among them, the Hall sensor array is connected to the base through a bracket. The rotation drive device is arranged on one side of the Hall sensor array. The data processing terminal includes a signal amplification circuit and a temperature compensation algorithm module.

2. The motor rotor flux measurement platform according to claim 1, wherein The rotation drive device includes a stepper motor.

3. The motor rotor magnetic flux measurement platform according to claim 1, characterized in that, Three groups of spring-damper shock absorbers are provided at the bottom of the base.

4. A motor rotor magnetic flux measurement platform according to claim 1, characterized in that, The Hall sensor array contains 8 - 16 linear Hall elements, and its bracket is a ball screw slide table with a scale ruler.

5. A motor rotor flux measurement platform according to claim 4, characterized in that, A resistor is arranged on one side of the Hall sensor.

6. The motor rotor flux measurement platform according to claim 1, characterized in that, The data processing terminal includes an ADC module, an embedded ARM processor, a touch screen, and a data storage unit.

7. A motor rotor magnetic flux measurement platform according to claim 1, characterized in that The XYZ slide rail is a hardened stainless steel guide rail.

Images