Dynamometer system continuous measurement method, system and device and storage medium thereof

A measurement method and a technology of a dynamometer, applied in the field of a dynamometer system, can solve problems such as increasing test time, inability to perform two-way tests, and increasing heat generation of motors, so as to ensure accuracy, improve test efficiency and user experience, Guarantee the effect of test speed

Active Publication Date: 2020-04-03
广州光中科技有限公司
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AI Technical Summary

Problems solved by technology

The disadvantage of this method is that each test requires two-way loading, which not only increases the test time, but also increases the heat generation of the motor, and for some motors, the circuit structure will change at a certain speed position (such as a motor with a centrifugal switch) AC motors), bi-directional testing is not possible

Method used

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  • Dynamometer system continuous measurement method, system and device and storage medium thereof
  • Dynamometer system continuous measurement method, system and device and storage medium thereof
  • Dynamometer system continuous measurement method, system and device and storage medium thereof

Examples

Experimental program
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Embodiment Construction

[0053] Such as figure 1 As shown, an existing dynamometer system measurement method is as follows:

[0054] S1. Load a certain load on the motor under test;

[0055] S2. Keep the loading state for a certain period of time;

[0056] S3. Collect multiple sets of performance parameters;

[0057] S4. Calculate the mean value of multiple groups of performance parameters and output.

[0058] In the S2 step of the measurement method, the loading state is kept for a certain time longer than 1 second, that is, the time for keeping the loading state is too long, thereby increasing the testing time; reducing the testing efficiency and increasing the testing cost. Moreover, for the motor, while providing mechanical energy output, it will generate heat energy by itself, which will cause the internal temperature of the motor to rise, and the greater the load on the motor, the more heat energy will be generated, and the entire test process will take too long. As a result, some motors wit...

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Abstract

The invention discloses a dynamometer system continuous measurement method, system and device and a storage medium thereof. The dynamometer system continuous measurement method is characterized by adding the step of inertia correction processing on the basis of an existing dynamometer system measurement method, and setting the load loading interval time and the performance parameter sampling interval time to be extremely short, so that the collected performance parameters can be subjected to real-time inertia correction, namely, the performance parameters are processed in real time, and accordingly the performance parameters of a tested motor can be continuously measured, the test speed is ensured, the data accuracy is also ensured, and the test efficiency and the use experience of the motor are greatly improved. The method, system and device can be applied to the technical field of dynamometer systems.

Description

technical field [0001] The invention relates to the technical field of dynamometer systems, in particular to a method, system, device and storage medium for continuous measurement of a dynamometer system. Background technique [0002] When testing the performance of the motor, it is necessary to use the dynamometer system, which mainly increases the load on the motor, and through its electrical properties (voltage, current, input power, power factor, etc.) , torque, output power, etc.) to obtain various performance parameters of the motor from no-load to stalled. [0003] At this stage, there are two main types of dynamometer systems, namely the load brake dynamometer system and the electric power dynamometer system. The load brake dynamometer system is generally used for small and medium-sized motors (<10kW), and consists of a dynamometer (load brake with speed and torque sensors), electrical performance measuring instruments, mechanical performance measuring instrument...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/34G01R35/00G01L3/00G01L3/24G01L25/00G01P3/00G01P21/02
CPCG01L3/00G01L3/24G01L25/003G01L25/006G01P3/00G01P21/02G01R31/34G01R35/005
Inventor 李中昱马源治覃勇星
Owner 广州光中科技有限公司
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