CN-121995128-A - System, method, device, equipment, medium and product for testing immunity of shaft counter

Abstract

The invention relates to the technical field of immunity test of a shaft counter, in particular to a system, a method, a device, equipment, a medium and a product for testing the immunity of the shaft counter, wherein the system comprises a measuring unit, a control unit and a control unit, wherein the measuring unit is arranged on a track and is used for measuring the amplitude and the frequency of an interference signal; the system comprises a measuring unit, an injection unit, an interference signal detection unit and an interference signal detection unit, wherein the injection unit is arranged to rotate around the measuring unit and emit interference signals in different directions, and the interference signal detection unit is arranged to rotate around the measuring unit and emit interference signals in different directions, so that interference magnetic fields in different directions can be simulated, and the interference resistance of an axis device under the interference of different directions can be comprehensively estimated.

Inventors

• LIU SONGLIN
• ZHU BINGQUAN
• Lu Qiaoxu
• Yuan Keliang
• WANG TAO
• GAO ZIFAN

Assignees

• 中车株洲电力机车研究所有限公司

Dates

Publication Date

20260508

Application Date

20241106

Claims (10)

1. 1. A system for testing immunity of a shaft counter, comprising: The measuring unit is arranged on the track and is used for measuring the amplitude and the frequency of the interference signal; And an injection unit arranged to rotate around the measurement unit, emitting interference signals in different directions.
2. 2. The system of claim 1, wherein the measurement unit comprises a measurement antenna or a spindle meter, wherein the measurement antenna comprises a tri-axial magnetic field antenna comprising a high frequency antenna and a low frequency antenna.
3. 3. The system of claim 1, wherein the injection unit comprises an injection antenna; the uniformity of the magnetic field is smaller than a preset magnetic field threshold value within a preset distance of the center point of the injection antenna; When the injection antenna rotates around the measuring unit, the distance between the injection antenna and the center point of the measuring unit is a preset distance.
4. 4. A method of testing the immunity of a spindle device based on the immunity testing system of any one of claims 1 to 3, the method comprising: Setting the measuring unit as a shaft counter; Setting the frequency of the interference signal as the most sensitive frequency of the axle counter; Setting the injection unit at a preset position, and gradually increasing the amplitude of the interference signal until the axle counter outputs a pulse; and recording the corresponding relation between the preset position and the current amplitude of the interference signal.
5. 5. The method of axle counter immunity testing of claim 4, further comprising: setting the measuring unit as a measuring antenna; recording the magnetic field intensity measured by the measuring antenna under the action of a preset position and a corresponding interference signal; And correcting the magnetic field intensity when the most sensitive angle of the injection unit is in a preset angle interval.
6. 6. The method of axle counter immunity testing of claim 4, further comprising: Plotting the immunity-interference duration curve of the axle counter and/or And drawing a filter amplitude-frequency response curve of the axle counter.
7. 7. A shafter immunity testing apparatus based on the shafter immunity testing system of any one of claims 1 to 3, the apparatus comprising: a first setting module for setting the measuring unit as a shaft counter; The second setting module is used for setting the frequency of the interference signal as the most sensitive frequency of the axle counter; The control module is used for setting the injection unit at a preset position, and gradually increasing the amplitude of the interference signal until the axle counter outputs a pulse; and the recording module is used for recording the corresponding relation between the preset position and the current amplitude of the interference signal.
8. 8. A computer device comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to carry out the steps of the method for testing the immunity of a shafter according to any one of claims 4 to 6.
9. 9. A computer readable storage medium having stored thereon a computer program, characterized in that the computer program when executed by a processor implements the steps of the method for testing the immunity of a shafter according to any one of claims 4 to 6.
10. 10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the steps of the method for testing the immunity of a shaft counter according to any one of claims 4 to 6.

Description

System, method, device, equipment, medium and product for testing immunity of shaft counter Technical Field The invention relates to the technical field of immunity test of a shaft counter, in particular to a system, a method, a device, equipment, a medium and a product for testing the immunity of the shaft counter. Background With the application substitution acceleration of domestic axle meters, more and more domestic axle meters are used on domestic lines, and due to the lack of measurement means for the magnetic field immunity index of the axle meters, it is generally difficult to effectively evaluate whether a rolling stock has interference risks to the axle meters when electromagnetic compatibility authentication tests are performed on the rolling stock and the domestic axle meters, so that a series of potential safety hazards may exist after the rolling stock is in online operation. There is a technical problem in the art that it is difficult to evaluate the noise immunity of the shaft gear. Disclosure of Invention The invention provides a system, a method, a device, equipment, a medium and a product for testing the immunity of a shaft counter, which solve the technical problem that the immunity of the shaft counter is difficult to evaluate. In a first aspect, the invention provides a system for testing the immunity of a shaft counter, which comprises a measuring unit and an injection unit, wherein the measuring unit is arranged on a track and is used for measuring the amplitude and the frequency of an interference signal, and the injection unit is arranged to rotate around the measuring unit and emit the interference signal in different directions. In some embodiments, the measurement unit includes a measurement antenna or an axle counter, wherein the measurement antenna includes a tri-axial magnetic field antenna including a high frequency antenna and a low frequency antenna. In some embodiments, the injection unit includes an injection antenna, the uniformity of the magnetic field is less than a preset magnetic field threshold within a preset distance of a center point of the injection antenna, and the distance between the injection antenna and the center point of the measurement unit is a preset distance when the injection antenna rotates around the measurement unit. The invention provides a method for testing the immunity of the shaft counter based on the immunity testing system of any shaft counter, which comprises the steps of setting a measuring unit as the shaft counter, setting the frequency of an interference signal as the most sensitive frequency of the shaft counter, setting an injection unit at a preset position, gradually increasing the amplitude of the interference signal until the shaft counter outputs a pulse, and recording the corresponding relation between the preset position and the current amplitude of the interference signal. In some embodiments, the method further comprises setting the measuring unit as a measuring antenna, recording the magnetic field intensity measured by the measuring antenna under the action of the preset position and the corresponding interference signal, and correcting the magnetic field intensity when the most sensitive angle of the injection unit is in the preset angle interval. In some embodiments, the method further comprises plotting the immunity-to-interference duration curve of the axle counter and/or plotting the filter amplitude-frequency response curve of the axle counter. In a third aspect, the present invention provides a device for testing immunity of a spindle device based on a system for testing immunity of a spindle device, the device comprising: a first setting module for setting the measuring unit as a shaft counter; The second setting module is used for setting the frequency of the interference signal as the most sensitive frequency of the axle counter; The control module is used for setting the injection unit at a preset position, and gradually increasing the amplitude of the interference signal until the axle counter outputs a pulse; and the recording module is used for recording the corresponding relation between the preset position and the current amplitude of the interference signal. In a fourth aspect, the present invention provides a computer device comprising a memory, a processor and a computer program stored on the memory, the processor executing the computer program to perform the steps of the method of any one of the above aspects. In a fifth aspect, the present invention provides a computer readable storage medium having stored thereon a computer program which, when executed by a processor, performs the steps of the method of any one of the above aspects. In a sixth aspect, the present invention provides a computer program product comprising a computer program which, when executed by a processor, implements the steps of the method of any of the above aspects of the meter noise immunity test method. The invention provides a