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Method for measuring displacement of household electric window by utilizing potentiometer

A technology of household electric windows and potentiometers, which is applied in the direction of electromagnetic measuring devices, electric/magnetic length/width measurement, etc., can solve the problems of low precision and large error, and achieve the effect of improving accuracy

Active Publication Date: 2012-06-13
中国钓具技术标准化(北仑海伯)研究中心
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a method for measuring the displacement of household electric windows using a potentiometer in view of the above-mentioned prior art, which can improve the problems of large errors and low precision in the traditional household electric doors and windows relying on potentiometers to measure displacement

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  • Method for measuring displacement of household electric window by utilizing potentiometer
  • Method for measuring displacement of household electric window by utilizing potentiometer

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Embodiment Construction

[0014] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0015] The invention provides a method for measuring the displacement of a household electric window by using a potentiometer, which is realized through the following steps:

[0016] Step 1. Store the following three variables: variable a, used to indicate the value of the potentiometer when the household electric window door is closed in place; variable b, used to indicate the value of the potentiometer when the household electric window door is opened in place; variable c, n is a precision constant, n means that household electric windows and doors are divided into n positions from the closed position to the open position, and the value of n is a natural number. In this embodiment, the value of n is 100, and c represents every two adjacent positions The resistance difference between;

[0017] Step 2. Waiting for the displacement command of...

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Abstract

The invention relates to a method for measuring displacement of a household electric window by utilizing a potentiometer, which is characterized by comprising storing a variable a for representing a value of the potentiometer when a window body of the household electric window is closed in place; storing a variable b for representing a value of the potentiometer when the window body of the household electric window is opened in place; storing a variable c for representing resistance difference between every two adjacent positions, and evenly dividing the distance from the position where the window body of the household electric window is closed in place to the position where the window body of the household electric window is opened in place into n positions, wherein the number of n selects values from natural numbers, and n is accuracy constants; dynamically updating two end resistance values a and b of the potentiometer for measuring the displacement by utilizing information about in-place closing and in-place opening of the window body, and enabling changes of the resistance values of the potentiometer to not influence the measurement of the displacement. Compared with the prior art, the method for measuring the displacement of the household electric window by utilizing the potentiometer has the advantages of effectively improving accuracy of the displacement measured by the potentiometer.

Description

technical field [0001] The invention relates to a method for measuring the displacement of a domestic electric window by using a potentiometer. Background technique [0002] The traditional method of measuring the displacement of household electric windows is to rely on the mechanical movement to drive the potentiometer to rotate, so that the resistance of the potentiometer changes, and the displacement of the mechanical movement is calculated by measuring the resistance of the potentiometer. This method is relatively low in cost and relatively simple to implement. However, due to the structural problems of the potentiometer itself, the method of measuring the displacement of the potentiometer becomes very imprecise and unreliable. Since potentiometers are generally composed of carbon brushes and conductive sheets, the change in resistance is caused by the movement of the carbon brushes on the conductive sheet, but as the carbon brush moves on the conductive sheet, the carb...

Claims

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Application Information

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IPC IPC(8): G01B7/04
Inventor 石林林忠浪黄登峰胡江峰
Owner 中国钓具技术标准化(北仑海伯)研究中心
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