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Photoelectric number-carrying method for photoelectric direct-reading remote water meter

A remote water meter, photoelectric direct reading technology, applied in measuring devices, instruments, liquid/fluid solid measurement and other directions, can solve the problems of carry error, poor reading reliability, etc., to achieve no carry error, eliminate processing errors, accurate and reliable readings Effect

Inactive Publication Date: 2016-03-09
CHENGDU XINGLIANYI TECH CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0004] However, there is a carry error in the carry method of the traditional photoelectric direct reading remote water meter, and the reading reliability is poor

Method used

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Embodiment Construction

[0012] The technical solution of the present invention is further described in detail below, but the protection scope of the present invention is not limited to the following description.

[0013] The photoelectric direct-reading remote water meter photoelectric carry method, the direct-reading digit of the photoelectric direct-reading remote water meter is greater than two digits, the character wheel code channel of the photoelectric direct-reading remote water meter divides the character wheel into 20 states, and the character wheel Each of the ten numbers 0~9 on the screen is divided into two states. When the number in the display window is in the middle of the window, it corresponds to the X0 state of the number. When the data is in the carry, the state at this time is X5 state. When the code track is wheeled, the position of the photoelectric tube on the photoelectric emission small plate is fixed, and the high-order code track lags behind its adjacent low-order code track...

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Abstract

The invention discloses a photoelectric number-carrying method for a photoelectric direct-reading remote water meter. The method comprises the steps that when character wheel code tracks are arranged, the position of a photoelectric geminate transistor on a photoelectric emission small plate remains unchanged, the high-order code track is lagged by 5-10 degrees compared with the adjacent low-order code track, then a software algorithm is adopted for correcting high-order lagging, the software algorithm is that when the unit and the decade are both in the number carrying state, 10 is added to the hundred place; when neither the unit nor the decade is in the number carrying state, 5 is added to each of all other places except the unit; when the unit is in the number carrying state and the decade is not in the number carrying state, 5 is added to each of all other places except the unit and the decade; when all low-order places sequentially adjacent to high-order places are all in the number carrying state, 10 is added to each of the high-order places. By means of the photoelectric number-carrying method, when the character wheel code tracks are arranged, the high-order places of the character wheel code tracks are lagged, then the software algorithm is adopted for correcting high-order lagging, the situation that in the character wheel number carrying process, the situation that high-order character wheel number carrying is lagged behind low-order character wheel number carrying due to character wheel code track processing errors and photoelectric geminate transistor position errors is avoided, and a number carrying data error is avoided.

Description

technical field [0001] The invention relates to a photoelectric direct reading water meter, in particular to a photoelectric direct reading remote transmission water meter photoelectric carry method. Background technique [0002] The photoelectric direct reading water meter is to print a specific mark on the outer edge of the 0~9 position of the counter wheel of the ordinary water meter, and fix the photoelectric sensor and related circuits on its periphery. When reading the meter with external power supply, the photoelectric sensor is used to judge the state of "yes" and "no" of the specific mark. The photoelectric direct-reading remote water meter establishes a mathematical model for the character wheel, and after combined calculations, finds the only correct solution from it, and then prints specific marks on the corresponding positions of the character wheel 0-9 according to the mathematical law. Mathematical laws are then installed with a fixed photoelectric sensor, so...

Claims

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Application Information

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IPC IPC(8): G01F15/075
Inventor 孟勇
Owner CHENGDU XINGLIANYI TECH CO LTD
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