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Sensor automatic calibration control device, method, system and construction machinery equipment

A technology of automatic calibration and control device, applied in the field of sensors, can solve problems such as increasing labor costs

Active Publication Date: 2016-03-09
CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This manual calibration method requires maintenance personnel to always pay attention to the work of the position sensor, which increases labor costs

Method used

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  • Sensor automatic calibration control device, method, system and construction machinery equipment
  • Sensor automatic calibration control device, method, system and construction machinery equipment

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Embodiment Construction

[0017] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0018] figure 1 It is a schematic structural diagram of the sensor automatic calibration control device provided by the present invention. Such as figure 1 As shown, the present invention provides a sensor automatic calibration control device, which includes: a receiver 10 for receiving an in-position signal from the second sensor and the output value of the first sensor (the output value can be a representative voltage magnitude or current magnitude), the first sensor and the second sensor both detect the position of an object, and the second sensor sends out the in-position signal when the object reaches a predetermined position; and The controller 20 is co...

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Abstract

The invention discloses a device, a method and a system for controlling the automatic calibration of a sensor and engineering mechanical equipment. The device comprises a receiver and a controller, wherein the receiver is used for receiving an in-place signal from a second sensor and the output value of a first sensor, the first sensor and the second sensor both detect the position of an object, and the second sensor transmits the in-place signal when the object reaches a predetermined position; and the controller is connected with the receiver and used for covering the output value, which is stored when the object reaches the predetermined position, of the first sensor by utilizing the output value, which is received by the receiver at the time, of the first sensor when the receiver receives the in-place signal from the second sensor. The device, the method and the system which are disclosed by the invention can ensure that the first sensor can not bring about influence to a detection result because of small mechanical deformation caused by various external factors during long-time operation.

Description

technical field [0001] The invention relates to the field of sensors, in particular to a sensor automatic calibration control device, a sensor automatic calibration control method, a sensor automatic calibration system and construction machinery equipment including the system. Background technique [0002] In a motion control system, a position sensor (such as an angle sensor, a rotary encoder, a length sensor, and an inclination sensor) outputs a current or voltage representing the current position of a moving object. The current or voltage at the start position is linearly scaled, and the current or voltage is converted into a position value. For this linear calculation, the output of the position sensor when the moving object is at the starting position is very important. It will not only affect whether the moving object can return to the starting position, but also affect the detection accuracy of each position during the movement. [0003] At present, in order to save ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D18/00G05B19/04
Inventor 熊忆黎明和马钰罗建利刘召华
Owner CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE