An angular displacement measuring device and system
A measuring device and angular displacement technology, which is applied in the field of sensors and can solve the problems such as the limitation of the measuring angle of the sensor.
Active Publication Date: 2022-03-18
GUANGXI LIUGONG MASCH CO LTD
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Problems solved by technology
Since the signal acquisition system will inevitably have a certain acquisition error, in order to ensure the measurement accuracy, the signal slope of the sensor should not be too small, and certain requirements must be met to reduce the increase in the error of the entire measurement system due to the acquisition error.
When the sensor signal slope meets certain conditions, the measurement angle of the sensor is limited to a certain extent.
Method used
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[0047] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.
[0048] An embodiment of the present invention provides an angular displacement measuring device, figure 1 It is a structural block diagram of an angular displacement measuring device provided by an embodiment of the present invention, refer to figure 1 , the device consists of:
[0049] The varistor unit 10, the varistor unit 10 includes a first varistor and a second varistor arranged at intervals; each varistor includes a rotary contact piece, and the first varistor is used to generate a first voltage signal acc...
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The embodiment of the present invention discloses an angular displacement measuring device and system. The measuring device includes: a rheostat unit, and the rheostat unit includes a first rheostat and a second rheostat arranged at intervals; A voltage signal; the second rheostat is used to generate a second voltage signal according to the rotation angle of the rotary contact piece; the difference between the first voltage signal and the second voltage signal is a certain phase angle; the voltage signal acquisition unit, the voltage signal acquisition unit and the rheostat The unit is connected to receive the first voltage signal and the second voltage signal; the processing unit is connected to the voltage signal acquisition unit, and the processing unit is used to calculate the angular displacement according to the first voltage signal and the second voltage signal. The technical solution provided by the embodiment of the present invention improves the measurement range of the angular displacement measuring device while ensuring the measurement accuracy.
Description
technical field [0001] Embodiments of the present invention relate to the technical field of sensors, and in particular to an angular displacement measuring device and system. Background technique [0002] In the process of intelligent control of the loader, in order to achieve precise control of the working device, it is necessary to use sensors to detect the position and posture of the loader's working device. An angular displacement sensor is used to measure the position and posture of the loader's working device. Rotation angle, the angle measurement range of the sensor corresponds to 0~5V voltage signal, for example, the measurement angle of the sensor is 110°, then 0~110° corresponds to 0~5V output, but it is difficult to guarantee the output accuracy at both ends of the sensor measurement range, so Usually, the middle interval of the range of the angle sensor is used for measurement, and the effective measurement range is about 0.5V to 4.5V. If the effective measureme...
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IPC IPC(8): G01B7/30
CPCG01B7/30
Inventor 罗剑伟孙金泉蔡登胜陶林裕黄健
Owner GUANGXI LIUGONG MASCH CO LTD