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Number-drum water level gauge

A technology of water level gauge and code position, which is applied in the field of water level measuring devices, can solve the problems of inability to move in and out, poor adaptability to water level fluctuations, water level gauge stop working, etc., and achieve high accuracy, reliable operation, and easy production.

Inactive Publication Date: 2005-08-24
张堡
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It has been proved from practice that when the water level change speed is stable, no matter whether the water level rises or falls, the digital water level gauge with mechanical advance runs smoothly; When the carry cannot be abdicated, the carry gear will shake in an uncertain state (similar to an intermediate state), resulting in severe wear and tear, which will cause the carry gear to be stuck and the water level gauge to stop working
If the management personnel do not come to the site, they will not be able to find out and correct them, and their adaptability to the fluctuation of the water level is poor, which makes the reliability of this type of water level gauge have certain defects.

Method used

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Embodiment Construction

[0023] Such as figure 1 , shown in 2, 3, code drum water level gauge of the present invention is made up of float, code drum, worm screw locator, processor four parts; Driven directly, the code drum adopts the worm gear carry mode, the positioner is fixed on the worm gear, and the processor is the information processing device of the water level gauge, which is composed of a decoder, an information code output interface and a display.

[0024] The above-mentioned code drum structure has three forms, the first is a full-information code structure, that is, there is 12-bit Gray code information on each code point, such as Figure 4 As shown, the axis of the code fetching drum is in the X direction, the radial direction of the code drum is in the Y direction, and the code bits are arranged on the cylindrical surface. Formula carry, form the X-axis arrangement between the spirals. 128-bit codes are arranged on each circumference, and there are 32 spiral code segments in the X di...

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Abstract

The present invention relates to a code drum water-level meter, and is characterized by that its metrical digital code adopts code drum as carrier, said code drum adoptis spiral carry mode, and comprises three kinds of structure: total information bit structure, synchronous segmented bit structure and variable-speed segmented bit structure. Said invention is reliable in operation, large in range ability, high in accuracy and has several applications.

Description

technical field [0001] The invention relates to a water level measuring device, in particular to a coded drum water level gauge. Background technique [0002] Water level measurement in the water conservancy industry is mainly used in the measurement of natural water surface changes in rivers, reservoirs, lakes, etc. This type of water level change has the characteristics of randomness, reciprocation, and volatility. As a self-calculating instrument, the water level gauge must adapt to the characteristics of water level changes in its structure: (1) record the change process and measure the real-time water level when needed; (2) the fluctuation and change speed of the water level do not affect the sensitivity and accuracy of the measurement; (3) Water level fluctuations (referring to small fluctuations) do not affect the performance of the instrument. Therefore, the main technical indicators of the water level gauge include: accurate measurement, reliable operation, and mee...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/00G01F23/30
Inventor 张堡施心陵
Owner 张堡
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