CN115076610B - Automatic cutting device for natural gas leakage - Google Patents

Automatic cutting device for natural gas leakage Download PDF

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Publication number
CN115076610B
CN115076610B CN202210408719.3A CN202210408719A CN115076610B CN 115076610 B CN115076610 B CN 115076610B CN 202210408719 A CN202210408719 A CN 202210408719A CN 115076610 B CN115076610 B CN 115076610B
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China
Prior art keywords
cut
sensor
temperature
natural gas
data
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CN202210408719.3A
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Chinese (zh)
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CN115076610A (en
Inventor
乔佳
王勋
孙俊芳
陈婷婷
王倩微
姜鑫
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Beijing Gas Group Co Ltd
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Beijing Gas Group Co Ltd
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Priority to CN202210408719.3A priority Critical patent/CN115076610B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/005Protection or supervision of installations of gas pipelines, e.g. alarm
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0091For recording or indicating the functioning of a valve in combination with test equipment by measuring fluid parameters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • F17D5/02Preventing, monitoring, or locating loss
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • F23N5/02Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • F23N5/18Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00Stoves or ranges for gaseous fuels
    • F24C3/12Arrangement or mounting of control or safety devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10Complex mathematical operations
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N5/00Systems for controlling combustion
    • F23N5/18Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel
    • F23N2005/185Systems for controlling combustion using detectors sensitive to rate of flow of air or fuel using detectors sensitive to rate of flow of fuel

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Algebra (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

The application provides an automatic cutting device for natural gas leakage, which comprises: the probe of the temperature sensor is arranged near an indoor natural gas appliance and used for detecting the temperature and acquiring a certain time t i Collected temperature data T i The method comprises the steps of carrying out a first treatment on the surface of the The speed sensor is arranged in the cut-off valve and used for detecting the flow of the gas pipeline and acquiring a certain time t i Collected velocity data V i The method comprises the steps of carrying out a first treatment on the surface of the Flue gas sensor for detecting CO and CH in air 4 Concentration, obtain a certain time t i Collected concentration data C i The method comprises the steps of carrying out a first treatment on the surface of the The intelligent control module is used for continuously receiving the data sent by the temperature sensor, the speed sensor and the smoke sensor, judging in real time, and sending a signal to control the cut-off valve to cut off if the cut-off condition is met; and the cut-off valve is used for receiving the signal sent by the intelligent control module to cut off.

Description

Automatic cutting device for natural gas leakage
Technical Field
The application relates to the field of natural gas detection, in particular to an automatic cutting device for natural gas leakage.
Background
With the popularization of natural gas, the leakage of natural gas in the house sometimes happens, and is generally the leakage of a gas cooker, however, the leakage of natural gas in the house also has the possibility of the leakage of a non-gas cooker, and once the leakage occurs, the loss can be caused, so that the leakage of the non-gas cooker can be effectively judged, and the problem of natural gas leakage is to be solved urgently.
Disclosure of Invention
The present application aims to provide an automatic natural gas leakage shut-off device that overcomes or at least partially solves the above-mentioned problems.
In order to achieve the above purpose, the technical scheme of the application is specifically realized as follows:
the application provides an automatic cutting device for natural gas leakage, which comprises: the probe of the temperature sensor is arranged near an indoor natural gas appliance and used for detecting the temperature and acquiring a certain time t i Collected temperature data T i The method comprises the steps of carrying out a first treatment on the surface of the The speed sensor is arranged in the cut-off valve and used for detecting the flow of the gas pipeline and acquiring a certain time t i Collected velocity data V i The method comprises the steps of carrying out a first treatment on the surface of the Flue gas sensor for detecting CO and CH in air 4 Concentration, obtain a certain time t i Collected concentration data C i The method comprises the steps of carrying out a first treatment on the surface of the The intelligent control module is used for continuously receiving the data sent by the temperature sensor, the speed sensor and the smoke sensor, judging in real time, and sending a signal to control the cut-off valve to cut off if the cut-off condition is met; and the cut-off valve is used for receiving the signal sent by the intelligent control module to cut off.
Wherein the cutoff condition is obtained by the following formula:
wherein:if f=1, a cut-off condition is reached;
wherein M is i ,N i ,K i For successive data weights, T max Is the critical value of temperature, V max Is the critical value of the gas velocity, C max Is the critical value of the flue gas concentration.
Wherein the temperature sensor comprises one or more.
Wherein the smoke sensor comprises one or more.
Therefore, the natural gas leakage automatic cutting device provided by the application can effectively judge the leakage condition of the indoor non-gas kitchen range, can effectively judge the flameout leakage condition of the kitchen range, can better judge the leakage condition of the indoor natural gas, and protects the life and property safety of residents.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an automatic natural gas leakage cutting device according to an embodiment of the present application.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Fig. 1 shows a schematic structural diagram of an automatic natural gas leakage cutting device provided by an embodiment of the present application, referring to fig. 1, the automatic natural gas leakage cutting device provided by the embodiment of the present application includes:
the temperature sensor, the probe of the temperature sensor is installed near the indoor natural gas appliance, is used for detecting the temperature, obtains a certain time t i Collected temperature data T i
The speed sensor is arranged in the cut-off valve and used for detecting the flow of the gas pipeline and acquiring a certain time t i Collected velocity data V i
Flue gas sensor for detecting CO and CH in air 4 Concentration, obtain a certain time t i Collected concentration data C i
The intelligent control module is used for continuously receiving data sent by the temperature sensor, the speed sensor and the smoke sensor, judging in real time, and sending a signal to control the cut-off valve to cut off if a cut-off condition is met;
and the cut-off valve is used for receiving the signal sent by the intelligent control module to cut off.
As an alternative to the embodiment of the application, the temperature sensor comprises one or more. The smoke sensor includes one or more.
Specifically, the temperature sensor is provided with an extensible temperature sensor probe, the probe can be installed near an indoor natural gas appliance for temperature detection, and a plurality of probes can be installed in a distributed manner to respectively detect the temperature of gas equipment such as a kitchen range, a gas stove and the like;
the speed sensor is used for detecting the flow of the gas pipeline and is arranged in the device;
flue gas sensor for detecting CO and CH in air 4 Concentration; one or more may also be included.
The intelligent control module is used for continuously receiving data sent by each path of temperature sensor, each path of speed sensor and each path of smoke sensor, judging in real time, and sending a signal to control the cut-off valve to cut off if a cut-off condition is met; the device is a double-insurance device, has effectiveness compared with the common device, can better judge the leakage condition of the indoor natural gas and protect the life and property safety of residents.
As an alternative implementation of the embodiment of the present application, the cutting condition is obtained by the following formula:
wherein:if f=1, a cut-off condition is reached;
wherein M is i ,N i ,K i For successive data weights, T max Is the critical value of temperature, V max Is the critical value of the gas velocity, C max Is the critical value of the flue gas concentration.
Therefore, the automatic cutting device for natural gas leakage provided by the embodiment of the application can be based on the temperature monitoring of gas equipment, the gas flow rate monitoring of a natural gas pipeline and indoor CO and CH 4 The gas concentration monitoring is triple monitored, so that the intelligent judgment of the leakage of the indoor natural gas can be realized, and the gas pipeline can be automatically cut off.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (3)

1. An automatic cutting device for natural gas leakage, comprising:
the probe of the temperature sensor is arranged near an indoor natural gas appliance and used for detecting the temperature and acquiring a certain time t i Collected temperature data T i
The speed sensor is arranged in the cut-off valve and used for detecting the flow of the gas pipeline and acquiring a certain time t i Collected velocity data V i
Flue gas sensor for detecting CO and CH in air 4 Concentration, obtain a certain time t i Collected concentration data C i
The intelligent control module is used for continuously receiving the data sent by the temperature sensor, the speed sensor and the smoke sensor, judging in real time, and sending a signal to control the cut-off valve to cut off if the cut-off condition is met;
the cut-off valve is used for receiving the signal sent by the intelligent control module to cut off;
wherein the cutoff condition is obtained by the following formula:
wherein:if f=1, a cut-off condition is reached;
wherein M is i ,N i ,K i For successive data weights, T max Is the critical value of temperature, V max Is the critical value of the gas velocity, C max Is the critical value of the flue gas concentration.
2. The apparatus of claim 1, wherein the temperature sensor comprises one or more.
3. The apparatus of claim 1, wherein the smoke sensor comprises one or more.
CN202210408719.3A 2022-04-19 2022-04-19 Automatic cutting device for natural gas leakage Active CN115076610B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210408719.3A CN115076610B (en) 2022-04-19 2022-04-19 Automatic cutting device for natural gas leakage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210408719.3A CN115076610B (en) 2022-04-19 2022-04-19 Automatic cutting device for natural gas leakage

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CN115076610A CN115076610A (en) 2022-09-20
CN115076610B true CN115076610B (en) 2023-12-15

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Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9410010D0 (en) * 1992-09-22 1994-07-06 Baumoel Joseph Method and apparatus for leak detection and pipeline temperature modelling method and apparatus
GB9613689D0 (en) * 1995-06-30 1996-08-28 Mtu Muenchen Gmbh Fuel supply regulation
JP2001241988A (en) * 2000-03-01 2001-09-07 Matsushita Electric Ind Co Ltd Gas safety device
CN1954348A (en) * 2004-05-19 2007-04-25 优曼莱克斯株式会社 Gas leakage prevention system and method of using the same
CN101581940A (en) * 2009-06-05 2009-11-18 西安电子科技大学 Tunnel event detection method based on integrated learning time sequence prediction
CN101763037A (en) * 2009-12-17 2010-06-30 浙江大学 Nonlinear prediction control system and method for energy-saving air separation process
CN102518850A (en) * 2011-12-31 2012-06-27 郑克敏 Separate intelligent gas safety device for private residence
CN103397171A (en) * 2013-08-20 2013-11-20 中冶赛迪工程技术股份有限公司 Method for determining furnace-temperature set value of billet heating furnace
KR20140067320A (en) * 2012-11-26 2014-06-05 (주)코스모테크놀로지 Automatic cutoff apparatus of gas leak
CN204730263U (en) * 2015-06-30 2015-10-28 广东美的厨房电器制造有限公司 Gas kitchen ranges
CN205281716U (en) * 2015-12-11 2016-06-01 潘陶涛 Kitchen intelligent security alarm system
CN205782003U (en) * 2016-05-23 2016-12-07 后英集团海城市环保科技有限公司 A kind of hyperthermia tunnel Kiln natural gas line with protection device
WO2018147482A1 (en) * 2017-02-09 2018-08-16 송문비 Safety apparatus for home appliances
CN108519755A (en) * 2018-05-29 2018-09-11 中通客车控股股份有限公司 A kind of active safety gas meter, flow meter and its working method
CN109166264A (en) * 2018-10-19 2019-01-08 武汉中成世纪系统工程有限公司孝感孝天路分公司 A kind of kitchen calamity forecast and automatic rescue device
CN109869633A (en) * 2018-12-27 2019-06-11 天津新科成套仪表有限公司 Fuel gas supply system with safety protection function
CN113640238A (en) * 2021-08-12 2021-11-12 鑫益能科技(厦门)有限公司 System, method, apparatus and medium for detecting energy leakage

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9410010D0 (en) * 1992-09-22 1994-07-06 Baumoel Joseph Method and apparatus for leak detection and pipeline temperature modelling method and apparatus
GB9613689D0 (en) * 1995-06-30 1996-08-28 Mtu Muenchen Gmbh Fuel supply regulation
JP2001241988A (en) * 2000-03-01 2001-09-07 Matsushita Electric Ind Co Ltd Gas safety device
CN1954348A (en) * 2004-05-19 2007-04-25 优曼莱克斯株式会社 Gas leakage prevention system and method of using the same
CN101581940A (en) * 2009-06-05 2009-11-18 西安电子科技大学 Tunnel event detection method based on integrated learning time sequence prediction
CN101763037A (en) * 2009-12-17 2010-06-30 浙江大学 Nonlinear prediction control system and method for energy-saving air separation process
CN102518850A (en) * 2011-12-31 2012-06-27 郑克敏 Separate intelligent gas safety device for private residence
KR20140067320A (en) * 2012-11-26 2014-06-05 (주)코스모테크놀로지 Automatic cutoff apparatus of gas leak
CN103397171A (en) * 2013-08-20 2013-11-20 中冶赛迪工程技术股份有限公司 Method for determining furnace-temperature set value of billet heating furnace
CN204730263U (en) * 2015-06-30 2015-10-28 广东美的厨房电器制造有限公司 Gas kitchen ranges
CN205281716U (en) * 2015-12-11 2016-06-01 潘陶涛 Kitchen intelligent security alarm system
CN205782003U (en) * 2016-05-23 2016-12-07 后英集团海城市环保科技有限公司 A kind of hyperthermia tunnel Kiln natural gas line with protection device
WO2018147482A1 (en) * 2017-02-09 2018-08-16 송문비 Safety apparatus for home appliances
CN108519755A (en) * 2018-05-29 2018-09-11 中通客车控股股份有限公司 A kind of active safety gas meter, flow meter and its working method
CN109166264A (en) * 2018-10-19 2019-01-08 武汉中成世纪系统工程有限公司孝感孝天路分公司 A kind of kitchen calamity forecast and automatic rescue device
CN109869633A (en) * 2018-12-27 2019-06-11 天津新科成套仪表有限公司 Fuel gas supply system with safety protection function
CN113640238A (en) * 2021-08-12 2021-11-12 鑫益能科技(厦门)有限公司 System, method, apparatus and medium for detecting energy leakage

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