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Method and device for judging direction of rotation and device for detecting direction of rotation

A technology of rotation direction and position point, applied in the field of sensors, it can solve the problems of inability to judge the rotation direction, the magnetic steel cannot touch the Hall proximity sensor, etc., and achieve the effect of strong anti-magnetic interference ability.

Active Publication Date: 2022-03-15
NANJING EASTHOUSE ELECTRIC CO LTD
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Problems solved by technology

But this kind of device must require the device to be detected to rotate at least one complete circle. In some application environments, if the device to be detected is only rotated 30 degrees, the magnet may not be able to touch the Hall proximity sensor, and it is impossible to judge. turn around

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  • Method and device for judging direction of rotation and device for detecting direction of rotation
  • Method and device for judging direction of rotation and device for detecting direction of rotation

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Embodiment Construction

[0110] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0111] like image 3 As shown, a rotation direction detection device includes a rotation direction detection device 300 and a processor 400 . The rotation direction detection device 300 is used for being arranged on the detected component, and the rotation data is detected by several Hall sensors 14 and submitted to the processor 400 . The processor 400 determines the rotation direction of the detected component by executing the program instruction set. Obviously, the processor 400 is connected to the various Hall sensors 14 . For the arrangement and structure of the Hall sensor 14 on the rotation direction detection device 300, refer to figure 1 .

[0112] like figure 1 As shown, the rotation direction detection device 300 includes a first panel 11 and a second panel 12 which are arranged parallel to each other. The first panel 11 is used to connect th...

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Abstract

The invention discloses a method and a device for judging the direction of rotation and a detection device for the direction of rotation. The rotation direction detection device includes a processor and a rotation direction detection device. The rotation direction detection device includes a first panel and a second panel arranged parallel to each other. The first panel is capable of rotating around its center and is provided with magnetic steel arranged in an arc. The second panel is provided with not less than four Hall sensors arranged at equal intervals in the circular circumference. The processor is connected to each Hall sensor, and determines the rotation direction of the first panel through the method of judging the rotation direction executed by the program instruction set, and then determines the rotation direction of the connected tested component according to the rotation direction of the first panel. Compared with the prior art, the invention can detect the rotation direction of a small angle, and has stronger anti-interference ability.

Description

technical field [0001] The present invention relates to the field of sensors, in particular to a sensor for detecting a rotational orientation. Background technique [0002] In the prior art, sensors related to azimuth detection usually use three-axis gyro sensors. However, when judging the rotational orientation, the three-axis gyro sensor is not suitable. The patent document JPH01124770A discloses a rotation detection method and device. In this patent document, two Hall proximity sensors are used to determine the rotation sequence of the magnetic steel to determine the rotation direction. However, this kind of device must require that the detected device must rotate at least one complete revolution. In some application environments, if the detected device only rotates 30 degrees, the magnetic steel may not be able to touch the Hall proximity sensor, so it is impossible to judge. turn around. SUMMARY OF THE INVENTION [0003] The problem to be solved by the present inv...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01P13/04
CPCG01P13/04
Inventor 张玥
Owner NANJING EASTHOUSE ELECTRIC CO LTD
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