Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same

A mechanical counter and counter technology, applied in measuring devices, liquid/fluid solid measurement, instruments, etc., can solve the problems of inconvenient measurement and long experiment time, and achieve the goal of shortening time, improving operability, and restoring the actual use of measurement. Effect

Active Publication Date: 2015-04-29
CHENGDU QINCHUAN IOT TECH CO LTD
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Problems solved by technology

[0004] The gas meter electromechanical conversion durability measurement method is used to measure the counting error between the mechanical counter and the electronic counter in the gas meter. According to the durability test requirements of GB/T 6968-2011 membrane gas meter, the tested gas is operated at a large flow rate. Meter, the running time can be selected from 2000h or 5000h. Taking a 2.5G gas meter as

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  • Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same
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  • Mechanical counter and method for measuring electro-mechanical transformation durability of gas meter by the same

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Embodiment Construction

[0034] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0035] like Figure 1-3 A kind of mechanical counter shown, it comprises counter rack 1, and is provided with first installation hole 14 and second installation hole 13 successively on one side of counter rack 1 from top to bottom, on the other side of counter rack 1 from top to bottom. A third installation hole 16 and a fourth installation hole 15 are opened in sequence from bottom to bottom. The first shaft 10 is installed in the first installation hole 14, and the carry wheel 8 is set on the first shaft 10. The second installation A second shaft 9 is installed in the hole 13, and an integer number wheel 7, a small number wheel (6) and a thousandth digit wheel 4 are successively installed on the second shaft 9 from left to right, and the carry wheel 8 is respectively Cooperating with the integer number wheel 7, the small number wheel 6 and the thousandth digit whee...

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Abstract

The invention discloses a mechanical counter. Three-level transmission of the mechanical counter adopts the acceleration transmission ratio of 5:6. The invention further discloses a method for measuring electro-mechanical transformation durability of a gas meter by the mechanical counter. The method mainly comprises the following steps: the mechanical counter with the acceleration transmission ratio of 5:6 is installed an intelligent gas meter so that the durability test time of the intelligent gas meter is shortened, the beneficial effect of the mechanical counter is that the intelligent gas meter adopts the mechanical counter which is improved in structure, so that the durability test time is greatly shortened; the gas meter with the improved mechanical counter is utilized in the measuring method, operability of electro-mechanical transformation error measurement and real use conditions of measurement and reduction are improved.

Description

technical field [0001] The invention relates to the technical field of intelligent gas meters, in particular to a mechanical calculator and a method for using it to measure the durability of electromechanical conversion of gas meters. Background technique [0002] At present, the electronic counter in the gas meter on the market mainly adopts permanent magnets installed on the character wheel. When the character wheel rotates once, the reed switch is attracted and released once, and then a pulse signal is transmitted to the electronic counting unit to realize electronic counting. [0003] The three-stage transmission of the mechanical counter in the existing gas meter adopts a deceleration transmission ratio of 25:3, and the rotating speed is relatively slow. During the durability test, the test time is relatively long. [0004] The gas meter electromechanical conversion durability measurement method is used to measure the counting error between the mechanical counter and th...

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Application Information

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IPC IPC(8): G01F25/00
Inventor 邵泽华向海堂任长清
Owner CHENGDU QINCHUAN IOT TECH CO LTD
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