Intelligent gas meter, system and method capable of monitoring household gas leakage state

A gas leakage and gas meter technology, applied to coin-operated equipment for renting items, coin-free or similar appliances, coin-operated equipment for distributing discrete items, etc., can solve false cut-off and gas access resistance , affecting the user's gas use effect and other issues, to achieve the effect of reducing costs and ensuring the safety of life and property

Active Publication Date: 2020-06-05
GUANGZHOU GAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this implementation method has many disadvantages: additional gas leakage detectors and shut-off valves need to be installed, which undoubtedly increases the economic burden of users; The test results will be affected by the fume in the kitchen; the shut-off valve on the gas pipeline will cause resistance to the gas inlet, which will affect the gas use effect of the user
In the prior art, there is no good technical solution that can effectively solve the above problems

Method used

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  • Intelligent gas meter, system and method capable of monitoring household gas leakage state
  • Intelligent gas meter, system and method capable of monitoring household gas leakage state
  • Intelligent gas meter, system and method capable of monitoring household gas leakage state

Examples

Experimental program
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Effect test

no. 1 example

[0105] Embodiment 1: In the embodiment of the present invention, the gas micro-leakage refers to the situation that the gas flow rate is low, which is lower than the use value under normal conditions. In this case, because the obtained gas flow rate is lower than the data during normal use, the normal gas flow rate can be calculated and determined from the calibrated load value of the gas appliance itself, or obtained through experimental measurement. Take the gas flow of the gas appliance in the minimum gas consumption working mode as the second gas flow threshold Q 1 , when the gas flow detected by the gas meter is lower than the second gas flow threshold Q 1 At this time, it is obvious that it is not the reason why the user is using the gas at this time, but the gas is leaking outwards, and the leakage is very small. The reason for this leakage is probably the aging of the gas pipeline itself, the gap between the gas pipeline and the gas appliance, or There is a problem wi...

no. 2 example

[0108] The second embodiment: In the embodiment of the present invention, the gas early warning leakage refers to the occurrence of abnormal shutdown of gas, serious aging of gas pipelines or animals biting through gas pipelines, resulting in gas flow rate higher than that of normal use of gas. External leakage, the gas leakage for a period of time under this flow rate is likely to cause harm to the user's personal property.

[0109] Different from the above-mentioned first kind of small gas leakage situation, the gas early warning leakage situation in this embodiment is likely to cause adverse effects on the personal safety of users, and may even lead to safety accidents in serious cases, so other measures must be taken. appropriate emergency measures. In the embodiment of the present invention, when the gas flow is greater than the third gas flow threshold and less than the fourth gas flow threshold, the level of gas leakage belongs to the pre-warning leakage situation.

[...

no. 3 example

[0112] The third embodiment: In the embodiment of the present invention, the gas overcurrent leakage refers to emergencies such as the rubber hose of the gas pipeline falling off, the gas pipeline disconnecting from the connection port of the gas appliance, etc., resulting in a large-scale outward leakage of gas. It is often random, and the consequences are very serious. The leaked flow will directly exceed the maximum nominal value of the gas meter. Therefore, in the embodiment of the present invention, when the gas flow is greater than the fourth gas flow threshold, the level of gas leakage belongs to the situation of overcurrent leakage. In this case, the leakage of gas in a short period of time is already very dangerous to the user's personal safety. If it is not dealt with immediately at this time, more serious safety accidents such as explosion may occur.

[0113] refer to Figure 8 and the first example above, the Q 0 , Q 1 , Q 2 , Q 3 They are respectively the fir...

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PUM

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Abstract

The invention discloses an intelligent gas meter, system and method capable of monitoring a household gas leakage state. The gas meter comprises a base meter used for metering gas volume data, a pulsemodule, a controller module, a communication module used for sending a gas leakage signal, and a valve control module used for controlling connection and disconnection of gas. The system comprises the gas meter and a remote background. The method comprises the steps: obtaining the time interval between pulse signals, and analyzing flow information of fuel gas; analyzing the gas leakage state according to the flow information; and controlling the system to execute a corresponding program according to an analysis result. By using the monitoring method based on the system, the cost of monitoringthe gas leakage can be reduced, and an emergency response can be made more effectively for different gas leakage severity degrees, so that the life and property safety of a user is ensured. The intelligent gas meter, system and method can be widely applied to the technical field of gas safety.

Description

technical field [0001] The invention relates to the technical field of gas safety, in particular to an intelligent gas meter, system and method capable of monitoring the state of household gas leakage. Background technique [0002] In today's society, gas has gradually become one of the indispensable living energy in people's daily life, and most buildings in major cities have also laid gas pipelines. However, while gas brings convenience and speed to people's life, it also has certain potential safety hazards. The occurrence of gas leakage and other situations is likely to lead to safety accidents. Therefore, monitoring the state of household gas leakage is an extremely important task. [0003] In the existing gas leakage monitoring technology, it is often based on gas safety equipment such as gas leakage detectors and alarms. Gas sensors are used to detect low-concentration combustible gases in the surrounding environment of user household gas equipment. Shut off the val...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01F15/00G01F25/00G08B21/16G07F15/00
CPCG01F15/00G08B21/16G07F15/001G01F25/15
Inventor 许俊城施峰陈丹
Owner GUANGZHOU GAS
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