High-power motor rotation speed detection device
A technology of motor speed and detection device, which is applied in the direction of measuring device, linear/angular velocity measurement, speed/acceleration/impact measurement, etc. It can solve the problems of easy damage, inconvenient speed measurement experiment for students, and expensive tachometer. It is not easy to achieve damage, easy measurement, and improved accuracy
Inactive Publication Date: 2013-09-04
NANJING COLLEGE OF CHEM TECH
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[0002] The motor speed detection device of high-power motor is the most commonly used detection device for motor application technical skills in vocational colleges. Students often use "ta
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[0008] Below in conjunction with accompanying drawing and embodiment the present invention is specifically introduced as follows:
[0009] A high-power motor speed detection device includes a generator, a motor, a stainless steel ring, a stainless steel induction pointer, a photoelectric switch and a speed measurement display device. The high-power motor is coaxially connected by the motor and the generator, the coaxial connection of the motor is covered with a stainless steel ring, and eight 5 cm long stainless steel pointers 1 are fixed on the stainless steel ring, directly below the coaxial connection A photoelectric switch 2 is provided, and the photoelectric switch is connected with a speed measuring display device 3 . The speed measurement and display device 3 includes a detection module, a counting module and a display module, wherein the detection module: used to receive the signal sent by the photoelectric switch; the counting module: used to count the received signal...
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Abstract
The invention discloses a high-power motor rotation speed detection device. The high-power motor rotation speed detection device comprises an electric generator, an electromotor, a stainless steel ring, a stainless steel sensing indicator, an optoelectronic switch and a speed measurement display device. A high-power motor is in coaxial connection with the electric generator through the electromotor, the stainless steel ring is sleeved on the coaxial connection portion of the electromotor, the stainless steel sensing indicator is fixed on the stainless steel ring, and the optoelectronic switch is arranged under the coaxial connection portion and connected with the speed measurement display device. The high-power motor rotation speed detection device is low in price, capable of bringing convenience to measurement, high in measurement accuracy and long in service life, and a teacher can allow students to conduct an experiment by themselves without any worry.
Description
technical field [0001] The invention relates to a high-power motor rotation speed detection device. Background technique [0002] The motor speed detection device of high-power motor is the most commonly used detection device for motor application technical skills in vocational colleges. Students often use "tachometer" to measure the speed when doing experiments. However, the tachometer is more expensive and easy to damage. It is extremely inconvenient to carry out speed test. Therefore, there is an urgent need for a rotational speed detection device, which can reduce the cost and realize the detection of the rotational speed of the motor conveniently and quickly. Contents of the invention [0003] The invention aims at the existing deficiencies, and provides a high-power motor speed detection device, which can reduce the detection cost and realize the detection of the motor speed conveniently and quickly. In order to achieve the above object, the technical solution adop...
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Inventor 刘玲李玉芬王颖
Owner NANJING COLLEGE OF CHEM TECH