Motor rotor balance detection device, motor rotor balance detection method and equipment
A technology for motor rotor and balance detection, applied in the electrical field, can solve problems such as inability to detect motor rotor balance
Active Publication Date: 2021-06-25
POSITEC POWER TOOLS (SUZHOU) CO LTD
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Problems solved by technology
[0005] The embodiment of the present application provides a motor rotor balance detection device and a method and equipment for motor rotor balance detection to solve the problem that the balance detection of the motor rotor cannot be safely and accurately performed in the prior art
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[0029]The principle and spirit of the present application will be described below with reference to several exemplary embodiments. It should be understood that these embodiments are given only to enable those skilled in the art to better understand and implement the present application, rather than to limit the scope of the present application in any way. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of this disclosure to those skilled in the art.
[0030] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purpo...
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The invention provides a motor rotor balance detection device and a motor rotor balance detection method and equipment. The device comprises an inductor, a vibration sensor, a processor and a supporting frame; the supporting frame is used for placing a motor rotor, and the vibration sensor is arranged on the supporting frame; the motor rotor comprises an armature, a concentric shaft which is arranged at one end of the armature and is concentric with the armature, and an eccentric shaft which is arranged at the end of the concentric shaft and is eccentric with the concentric shaft. a notch is formed in the outer wall of the concentric shaft; the inductor is arranged in the outer side of the supporting frame, and when the motor rotor is placed on the supporting frame, the inductor corresponds to the notch and is used for measuring the position of the notch and the eccentric angle of the concentric shaft provided with the notch; the vibration sensor is arranged right below the armature; and the processor is connected with the sensor and the vibration sensor and is used for determining the unbalance amount of the motor rotor. In the embodiment of the invention, the unbalance amount of the rotor can be measured through the inductor and the vibration sensor without using a balancing weight, thereby being more convenient and safer.
Description
technical field [0001] The present application relates to the field of electrical technology, in particular to a motor rotor balance detection device, a method and equipment for motor rotor balance detection. Background technique [0002] If the motor rotor has an unbalanced amount, the motor rotor will generate unbalanced vibration when it rotates, causing the rotor to vibrate, thereby reducing the quality and service life of the rotor. Therefore, it is very important to determine the stability and dynamic balance of the motor rotor when it rotates. [0003] In the prior art, the balance detection of the motor rotor is usually carried out by manually adding weights, but manual adding weights is prone to vibration and numbness, and the weights are worn out under repeated use. Faster, using the worn counterweight to carry out the balance detection of the rotor will make the detection result inaccurate. Furthermore, the counterweight is easy to fly out when rotating at a high...
Claims
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IPC IPC(8): G01M1/16G01M1/30
CPCG01M1/16G01M1/30
Inventor 吴明涛张伟胡祥志宋军锋杨志鹤
Owner POSITEC POWER TOOLS (SUZHOU) CO LTD