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Device for detecting accuracy of mechanical water meter

A detection device and an accuracy technology, which are applied in the field of mechanical water meter accuracy detection devices, can solve the problems of complex structure of the adjustment device, unfavorable disassembly, movement and installation, etc., and achieve the effects of simple structure, low cost, and reduction of working steps.

Inactive Publication Date: 2012-08-22
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current adjustment device has a complex structure, which is not conducive to disassembly, movement and installation, and there are also big problems in the convenience and fast efficiency of practical application.

Method used

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  • Device for detecting accuracy of mechanical water meter
  • Device for detecting accuracy of mechanical water meter
  • Device for detecting accuracy of mechanical water meter

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Embodiment Construction

[0023] Embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] Such as figure 1 , figure 2 , image 3 As shown, it includes the water meter detection operation platform, and the plum blossom finger speed detection device with the same number and structure as the standard water meter 6 and the water meter to be tested 7; wherein:

[0025] 1) Water meter detection operation platform: including operation platform 8, water inlet 1, water outlet 10, pipeline 2, regulating valve 3, standard water meter 4, pipe sleeve 6, water meter to be tested 7; the top of the operation platform 8 is from one side to the The other side is connected in series with a water inlet 1, a pipeline 2, a regulating valve 3, a standard water meter 4, a pipe sleeve 6, a plurality of water meters to be tested 7 and a water outlet 10;

[0026] 2) Each plum-blossom finger speed detection device: includes a detection device 5 and ...

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Abstract

The invention discloses a device for detecting the accuracy of a mechanical water meter. The device for detecting the accuracy of the mechanical water meter comprises a water meter detection operating platform rack, and plum blossom pointer rotating speed detection devices of which the number is the same as the number of water meters and the structures are the same as the structures of the water meters, wherein a water inlet end, a regulating valve, a plurality of standard water meters to be detected and a water outlet end are sequentially connected in series between one side and the other side of the upper surface of the water meter detection operating platform rack; a laser, a phototriode and a detection circuit are arranged in parallel on a base in a shell of each plum blossom pointer rotating speed detection device; the lower end of the base is connected with a sunshade; one end of a fixed clamp is connected with the sunshade, and the other end of the fixed clamp is connected witha dial plate of the corresponding water meter; observing windows are formed on the top cover of the shell and the side faces of the base; and the detection circuit of each detection device is connected with a data processing system. A photoelectric sensor is used for detecting a plum blossom pointer rotating speed, so the regulation accuracy of the water meter is enhanced and the working efficiency is improved; the cost is low; and the water meter can be regulated quickly on the industrial site so that the accuracy of industrial water metering can be enhanced effectively.

Description

technical field [0001] The invention relates to a measuring instrument for detecting liquid flow, in particular to a device for detecting the accuracy of a mechanical water meter. Background technique [0002] The accuracy of water meters has a direct impact on water measurement and plays a very important role in the rational use of water resources. In the process of manufacturers producing mechanical water meters, some products have inaccurate measurement of water consumption. This requires workers to adjust the measurement accuracy of the water meter by adjusting the adjusting screw at the back end of the water meter before leaving the factory and putting it into practical use. Make it meet the requirement of being able to measure water consumption accurately. [0003] There is no instrument specially developed for regulating water meters in our country. At present, the device for workers to adjust the water meter mainly uses the verification device in JJG 162-2009 "Cold...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F25/00
Inventor 赵军李轶凡丁力华陈淑星候蕊刘维
Owner CHINA JILIANG UNIV
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