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Antitheft method of metering of gas ultrasonic flow meter

An anti-theft method and technology of flowmeter, applied in the measurement of flow/mass flow, liquid/fluid solid measurement, anti-theft alarm, etc., can solve the problems of cheating, damage to the flowmeter, unauthorized disassembly by illegal users, etc., to reduce metering loss, The effect of reducing the probability of damage and reducing operating costs

Inactive Publication Date: 2016-07-20
郑再峰 +1
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  • Claims
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AI Technical Summary

Problems solved by technology

Because the measurement data of the meter is directly related to the user's expenditure, it is inevitable that when used on site, there will be illegal users dismantling and damaging the flowmeter without authorization, resulting in the flowmeter not being able to measure accurately
At present, the theft of gas is hard to prevent. During the inspection, if the gas company only observes the external installation of the meter, it is impossible to identify whether the flow meter has been disassembled, and it is also difficult to judge whether it has been cheated.
[0003] Instruments such as gas turbine flowmeters and Roots flowmeters used in the daily market usually do not have anti-theft functions. After disassembly, their transmission mechanisms can be easily damaged, resulting in inaccurate measurement of the instruments and increasing the loss cost of the gas company. At present, there is no low cost , and an effective monitoring method

Method used

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  • Antitheft method of metering of gas ultrasonic flow meter

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Embodiment Construction

[0027] Examples such as figure 1 As shown, an anti-theft method for gas ultrasonic flowmeter measurement, when the gas ultrasonic flowmeter contacts natural gas or other measurable media for the first time, the anti-theft function is automatically activated, and when it is in contact with air again, an alarm message is automatically sent on the display screen , and record it into the memory of the meter as a historical record, record the start time and end time of the occurrence, connect the wireless remote transmission device, the information can be transmitted to the gas company synchronously, check the historical records stored in the flowmeter, you can know when a certain period of time , the working environment and working state of the flowmeter.

[0028] The anti-theft method measured by the gas ultrasonic flowmeter comprises the following steps:

[0029] Step S101, install the flowmeter on site, install the flowmeter on the pipeline, the flowmeter starts to run, and th...

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Abstract

The invention discloses an antitheft method of metering of a gas ultrasonic flow meter.According to the antitheft method of metering of the gas ultrasonic flow meter, ultrasonic wave transmission velocity and time information under different gas media are recognized and recorded through the flow meter, the work environment and state conversion of the flow meter are judged, and effective monitoring of the metering state of the ultrasonic flow meter is achieved.The antitheft method has the advantages that the gas ingredient judgment function exclusive to ultrasonic is utilized, whether a user detaches the flow meter or not can be known easily when home-entry examination is conducted or through the wireless data transmission function, effective monitoring of the metering state of the ultrasonic flow meter is achieved, and the operation cost of a gas company is lowered.

Description

technical field [0001] The invention relates to an anti-theft method for gas ultrasonic flow meter measurement. Specifically, the flow meter recognizes and records the ultrasonic propagation speed and time information in different gas media, and distinguishes the working environment and state change of the flow meter, so as to realize the detection of ultrasonic waves. The invention relates to the effective monitoring of the metering state of a flowmeter, which belongs to the technical field of ultrasonic measurement. Background technique [0002] Gas ultrasonic flowmeter has the advantages of high precision, no pressure loss in measurement, and convenient maintenance. It has broad application prospects and occupies an increasing proportion in the field of energy measurement. Because the measurement data of the meter is directly related to the user's expenditure, it is unavoidable that illegal users disassemble and damage the flowmeter without authorization when used on site...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F1/66G08B13/00
CPCG01F1/667G08B13/00
Inventor 郑再峰郭长鹏
Owner 郑再峰
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