Prediction module and test method for motor vibration characteristics under working state
A technology of working state and vibration characteristics, applied in motor generator testing, vibration measurement in solids, measurement of vibration, etc., can solve problems such as not involved in the study of vibration characteristics of motor working state, and achieve a simple and efficient implementation process, comprehensive consideration, Simple and effective method
Active Publication Date: 2015-08-12
中国船舶重工集团公司第七一二研究所
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[0002] The control of motor vibration and noise is an important issue faced by environmental protection, and it is also an important link to improve the competitiveness of motor products in domestic and foreign markets. Obtaining motor vibration characteristics is a key technology for low-noise motor design; due to the complexity of the motor structure, Especially in the working state, its vibration research involves the intersection and integration of multiple disciplines such as electromagnetism, mechanics and thermals, which also brings certain challenges to the research on the vibration characteris
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[0029] Taking the working state of a certain large motor as an example, the present invention will be further described in conjunction with the accompanying drawings:
[0030] 1. Hardware structure.
[0031] Such as figure 1 Shown, include in the prediction module of the present invention:
[0032] A motor modeling unit: constructed based on a solid motor, the motor model is mainly assembled from cooling system 1.1, stator 1.2, rotor 1.3, base 1.4 and vibration-damping airbag 1.5;
[0033] Such as figure 2 As shown, the acceleration sensor 2.1 is arranged on the motor casing 2.2 in the vibration characteristic test under the working state of the motor of the present invention, and is distributed in a 30×30cm rectangular array;
[0034] Such as image 3 As shown, in the vibration characteristic test of the motor in the working state of the present invention, the acceleration sensor 3.1 is arranged on the motor end cover 3.2, and according to concentric circles with a diame...
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The invention relates to a prediction module and test method for motor vibration characteristics under a working state, and relates to the technical field of motor structural acoustics. The prediction method and the test method are especially suitable for predictions and tests of the vibration characteristics of various military and civil large motors under the working state. The invention aims at overcoming shortcomings of a conventional prediction and test method, and provides the prediction module for the motor vibration characteristics under the working state. The prediction module goes through the process according to actual conditions of a motor under the working state, can accurately predict the vibration characteristics of the motor under the working state, and is used for carrying out comprehensive and profound researches on the vibration characteristics of the motor under the working state, so that vibration rules of the motor under the working state can be grasped. The invention also provides the test method for the motor vibration characteristics under the working state, tests can be easily and efficiently carried out through the method, the vibration characteristics of the motor under the working state can be really and efficiently obtained, and the method is used for giving guidance for the vibration characteristic tests of the motor under the actual working state.
Description
technical field [0001] The invention relates to a motor vibration characteristic prediction module and a test method under working conditions, which belong to the technical field of motor structural acoustics, and are particularly suitable for the prediction and test of the vibration characteristics of various large-scale motors for military and civilian use under working conditions. Background technique [0002] The control of motor vibration and noise is an important issue faced by environmental protection, and it is also an important link to improve the competitiveness of motor products in domestic and foreign markets. Obtaining motor vibration characteristics is a key technology for low-noise motor design; due to the complexity of the motor structure, Especially in the working state, its vibration research involves the intersection and integration of multiple disciplines such as electromagnetism, mechanics and thermals, which also brings certain challenges to the research...
Claims
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Inventor 彭思思张国兵田磊谭登洪
Owner 中国船舶重工集团公司第七一二研究所
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