[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

CN104464204A - Household gas leakage alarm and automatic gas source cutoff device - Google Patents

Household gas leakage alarm and automatic gas source cutoff device Download PDF

Info

Publication number
CN104464204A
CN104464204A CN201410791121.2A CN201410791121A CN104464204A CN 104464204 A CN104464204 A CN 104464204A CN 201410791121 A CN201410791121 A CN 201410791121A CN 104464204 A CN104464204 A CN 104464204A
Authority
CN
China
Prior art keywords
gas
alarm
gas leakage
leakage alarm
interlock
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410791121.2A
Other languages
Chinese (zh)
Other versions
CN104464204B (en
Inventor
杨斯涵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Southeast University
Original Assignee
Southeast University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Southeast University filed Critical Southeast University
Priority to CN201410791121.2A priority Critical patent/CN104464204B/en
Publication of CN104464204A publication Critical patent/CN104464204A/en
Application granted granted Critical
Publication of CN104464204B publication Critical patent/CN104464204B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F16K17/00Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/36Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
    • F16K17/366Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position the closure member being a movable ball
    • 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
    • F16K31/02Actuating devices; Operating means; Releasing devices electric; magnetic
    • 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
    • F16K31/44Mechanical actuating means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02Alarms for ensuring the safety of persons
    • G08B21/12Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16Combustible gas alarms

Landscapes

  • Emergency Alarm Devices (AREA)

Abstract

The invention discloses a household gas leakage alarm and automatic gas source cutoff device which comprises a gas leakage alarm assembly and an automatic gas source cutoff assembly. The gas leakage alarm assembly comprises a gas concentration testing box, and a gas-sensitive sensor is arranged in the gas concentration testing box and connected with a gas detection instrument. The gas leakage alarm assembly further comprises an intelligent control box, and an electronic circuit controller and an alarm device are arranged in the intelligent control box. The automatic gas source cutoff assembly comprises a linkage combiner. An electronic driver is arranged on the linkage combiner, and the signal output end of the gas-sensitive sensor is connected with the signal input end of the electronic driver. According to the device, indoor alarming and outdoor alarming are carried out at the same time, the gas concentration can be tested to give an alarm in time, a gas source can be automatically closed, and the device greatly reduces potential safety hazards of gas leakage, and has the advantages of being reliable in work, small in size, simple in structure and the like.

Description

A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit
Technical field
The present invention relates to a kind of gas leakage alarming device, particularly relate to a kind of gas leakage indoor outer while alarm and automatically cut off compressed air source unit.
Background technology
Along with the development of society, the material and cultural life of people obtains significant raising, and gas-cooker, as a kind of residential energy sources equipment of condition of improving the people's livelihood, is all widely used in city or rural area.Popularizing of combustion gas, improve production efficiency, civic quality of life, but in the process using combustion gas, because of the gas explosion that the reasons such as gas leakage waste gas cause, mishap such as poisoning grade happens occasionally, and brings serious threat to people's safety of life and property, therefore uses the most important thing that combustion gas is the work of combustion gas competent authorities always safely.Fuel Gas Leak Alarm can the effective concentration of inflammable gas or poisonous gas in monitoring of environmental, once its concentration exceeds alarm limit definite value, just can send acoustic alarm signal, and automatically can cut off gas supply, prevent combustion gas from continuing to leak, play the effect of safety precaution.But a gas leakage alarming device great variety of models for existing market, have plenty of and only report to the police when gas leakage, automatically do not cut off gas combustion apparatus, have plenty of and both reported to the police when gas leakage, can open exhaust fan in time again, but most of Fuel Gas Leak Alarm only has single warning (indoor warning) not have outdoor warning.Domestic gas leakage alarm of the present invention and automatically cut off compressed air source unit, can indoor warning again can outdoor warning, also realize automatically cutting off gas supply by linkage simultaneously, play the effect of safety precaution.
Described in comprehensive: it is high that existing Fuel Gas Leak Alarm exists production cost, the shortcomings such as the function singleness market price is high.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of novel household Fuel Gas Leak Alarm and automatically cuts off compressed air source unit; Indoor warning and outdoor warning can be provided when gas leakage, also realize automatically cutting off gas supply by linkage simultaneously, play the effect of safety precaution.
Technical scheme: for achieving the above object, technical scheme of the present invention is as follows:
A kind of Domestic liquefied-petroleum gas leakage alarm and automatically cut off compressed air source unit, it is characterized in that: comprise gas leakage alarm assembly and automatically cut off source of the gas assembly, described gas leakage alarm assembly comprises gas concentration test box, in described gas concentration test box, be provided with gas sensor; Described gas sensor is connected with gas control instrument, is provided with responsive pin and secure localization bolt in gas control instrument; Described gas sensor is provided with two measuring junctions, is connected to air-sensitive module at two measuring junctions, and described air-sensitive module is positioned at the outside of described gas concentration test box; Described gas leakage alarm assembly also comprises intelligent control box; In described intelligent control box, be provided with electronic circuit controller and warning device, the signal output part of described electronic circuit controller is connected with described warning device; Described automatic cut-out source of the gas assembly comprises interlock combiner; Described interlock combiner is provided with electronic driver, the front end of described interlock combiner is provided with internal chute connecting rod and connects a pusher arm at the output terminal of described electronic driver, connect one stroke probe at the end of pusher arm; A sliding rotor bar is provided with in the chute of described internal chute connecting rod, the other end of described stroke probe acts on the other end of described sliding rotor bar, described sliding rotor bar is also hinged with an interlock lower link bar, the other end and the valve handle be connected with gas pipeline ball valve of this interlock lower link bar; The signal output part of described gas sensor is connected with the signal input part of electronic driver.
In the chute of described internal chute connecting rod, be provided with a slide block, described sliding rotor bar is fixedly connected with this slide block.
Described warning device comprises the signal receiver of indoor alarm equipment, outdoor alarm, signal coverter, oscillator and floor alarm lamp; The signal output part of described gas sensor respectively with pulse signal oscillator, the signal receiver of indoor alarm equipment, outdoor alarm and floor alarm lamp connects.
Described sliding rotor bar is provided with a probe and clashes into groove, described stroke probe acts on this probe and clashes in groove.
Described electronic driver is electric pushrod.
beneficial effect
1. a kind of Domestic gas leakage alarm of the present invention and automatically cut off compressed air source unit, described system adopts direct current or exchanges 12V, 24V safe voltage, and automatic closing motion is fast reliable, automatically ball valve of registering one's residence is closed during warning, thorough cut-out source of the gas, high safety, arranges interlock combiner especially, when receiving cut-out source of the gas signal, electronic driver can be started in time, when after eliminating gas leakage hidden danger, pilot pin can be pressed by hand, stroke probe and pusher arm are resetted, manual unlocking fuel gas ball valve simultaneously.
2. a kind of Domestic gas leakage alarm of the present invention and automatically cut off compressed air source unit, gas leakage alarm and cut-out source of the gas are controlled, circuit is simple, low price, good reliability in use procedure, adopt the air-sensitive test port of gas sensor, combustion gas is detected, when gas radiation detecting unit detects that radiation concentration value exceedes setting value, the responsive pin of signal transfer unit turns to secure localization bolt, interlink warning unit, is delivered to the electronic driver of the electronic circuit controller in intelligent control box and the combiner that links in time.
Accompanying drawing explanation
Fig. 1 is the cut-away view of gas concentration test box of the present invention;
Fig. 2 is the structural drawing of interlock combiner of the present invention;
Fig. 3 is the schematic diagram of the electronic circuit controller of intelligent control box of the present invention.
In figure: 1 gas concentration test box, 2 gas sensors, 3 intelligent control boxs, 4 interlock combiners, 5 electronic circuit controller, 6 indoor alarm equipments, 7 outdoor alarms, 8 signal converters, the signal receiver of 9 floor alarm lamps, 10 pulse signal oscillator, 11 electronic drivers, 12 pusher arms, 13 stroke probes, 14 fuel gas ball valves, 15 valve handles, 16 stay-bolts, 17 interlock lower link bars, 18 sliding rotor bars, 19 probes clash into groove, 20 internal chute connecting rods, 21 building gas pipe, service pipe, indoor pipes, 22 combustion gas test charts, 23 responsive pins, 24 secure localization bolts, 25 sensitive blocks.
Embodiment
The present invention below in conjunction with accompanying drawing is further described
As shown in Figure 1, Figure 2 and Figure 3, a kind of novel household Fuel Gas Leak Alarm and automatically cut off compressed air source unit, it comprises gas leakage and alarm assemblies indoor and outdoor, automatically cuts off source of the gas assembly; Described gas leakage alarm assembly comprises gas concentration test box 1, and described concentration determination case 1 is rectangular structure, and casing adopts fire retardant insulating plate to make; Describedly in gas concentration test box 1, be provided with gas sensor 2; Described gas sensor 2 is connected with gas detection cell, coal gas detection instrument 22, is provided with responsive pin 23 and secure localization bolt 24 in coal gas detection instrument 22; Described gas sensor 2 is provided with two measuring junctions and is connected with sensitive blocks 25 respectively; Described responsive pin 23 is connected with sensitive blocks 25; The both sides end plate that two measuring junctions of described gas sensor 2 are each passed through gas concentration test box 1 extend out to the external world, when the measuring junction of gas sensor 2 is measured the concentration of kitchen (indoor) combustion gas rotates clockwise higher than pin 23 responsive during a certain setting value, when responsive pin 23 collides with secure localization bolt 24, gas sensor 2 sends signal respectively to electronic driver 11 and electronic circuit controller 5, and the signal output part of described gas sensor 2 is connected with electronic circuit controller 5 signal input part.
Described gas leakage alarm assembly also comprises intelligent control box 3; The described signal receiver 9 being provided with electronic circuit controller 5, indoor alarm equipment 6, outdoor alarm 7, signal coverter 8, pulse signal oscillator 10, floor alarm lamp in intelligent control box 3; The signal output part of described gas sensor 2 is connected with the signal input part of electronic circuit controller 5 and the signal input part of electronic driver 11 respectively; The signal output part of described electronic circuit controller 5 is connected with the signal input part of pulse signal oscillator 10, indoor alarm equipment 6, outdoor alarm 7, floor alarm lamp respectively.
Described Operation system setting has interlock combiner 4; Described interlock combiner 4 be fixed on building gas pipe, service pipe, indoor pipe 21 by pipe clamp, interlock combiner 4 on be provided with electronic driver 11, pusher arm 12, stroke probe 13, fuel gas ball valve 14, valve handle 15 and interlock lower link bar 17; The front end of described interlock combiner 4 is provided with internal chute connecting rod 20; The signal output part of described gas sensor 2 is connected with the signal input part of electronic driver 11.
As shown in Figure 1, described domestic gas gas leakage warning system, is provided with gas concentration test box 1 in indoor, gas concentration test box is rectangular structure, and casing adopts fire retardant insulating plate to make; Describedly in gas concentration test box 1, be provided with gas sensor 2; Described gas sensor 2 is provided with two test ports, and two test leads of described gas sensor 2 are connected with sensitive blocks 25 respectively, and the both sides end plate that two test leads of described gas sensor are each passed through gas concentration test box 1 extend out to the external world.
Describedly in gas concentration test box, be provided with gas sensor 2, gas meavuremeut instrument 22 is provided with in gas sensor 2, responsive pin 23 and secure localization bolt 24 are installed in instrument 22, according to setting value, when the measuring junction of radiant type gas sensor 2 measure the concentration of kitchen (indoor) combustion gas higher than a certain setting value time, responsive pin 23 rotates clockwise, and when responsive pin 23 collides with secure localization bolt 24, gas sensor 2 can send signal.
As shown in Figure 2, described system is provided with interlock combiner 4 at pipeline place of registering one's residence, interlock combiner 4 is fixedly mounted on building gas pipe, service pipe, indoor pipe 21 by pipe clamp, and described interlock combiner 4 is provided with electric propulsion 11, pusher arm 12, stroke probe 13, fuel gas ball valve 14, valve handle 15 and interlock lower link bar 17, the front end of described interlock combiner is provided with internal chute connecting rod 20, internal chute is the orbit of sliding rotor bar 18, be provided with bolt hole in the handle end of fuel gas ball valve 14, ball valve handle 15 is connected by stay-bolt 16 one end with interlock lower link bar 17, the other end of described interlock lower link bar 17 connects sliding rotor bar 18, sliding rotor is equipped with in one end of sliding rotor bar, the other end of sliding rotor bar 18 is provided with probe and clashes into groove 19, system in normal conditions, fuel gas ball valve is long to be open, combustion gas is in normal use procedure, the top of stroke probe 13 is stretched in the probe shock groove 19 of sliding rotor bar, when gas leakage, gas sensor 2 passes the signal along to the electronic driver 11 of interlock combiner 4, electronic driver starts pusher arm 12 in time, pusher arm 12 is pushed ahead, the stroke probe 13 be simultaneously connected on pusher arm 12 is also pushed ahead, the top of stroke probe 13 is inserted in the probe shock groove 19 of sliding rotor bar, and drive sliding rotor bar linearly to run, sliding rotor bar 18 drives lower link bar 17, lower link bar 17 drives the handle 15 of ball valve to make arcuate movement, according to setting, stroke probe 13 promotes sliding rotor bar 18 and moves, make lower link bar and ball valve handle be in line state time, fuel gas ball valve 14 completes closedown, at this moment ball valve handle 15 has done the swing of 90 degree, inside the chute of chute connecting rod 20, one section is provided with sliding rotor anti-back pilot pin, anti-back pilot pin is connected with spring and collision bead, when after eliminating gas leakage hidden danger, can press pilot pin by hand when recovering normal use, allows stroke probe and pusher arm reset.
As shown in Figure 3, described system is provided with intelligent control box 3 out of doors, is provided with electronic circuit controller 5 in intelligent control box, indoor alarm equipment 6, outdoor alarm 7, signal coverter 8, pulse signal oscillator 10, floor alarm lamp signal receiver 9; The signal output part of described gas sensor 2 is connected with the signal input part of electronic circuit controller 5 and the signal input part of electronic driver 11 respectively; The signal output part of described electronic circuit controller 5 is connected with the signal input part of pulse signal oscillator 10, indoor alarm equipment 6, outdoor alarm 7, floor alarm lamp respectively.
Described system adopts direct current or exchanges 12V, 24V safe voltage, automatic closing motion is fast reliable, and during warning, fuel gas ball valve 14 in automatic close chamber, thoroughly cuts off source of the gas, high safety, interlock combiner 4 being set especially, when receiving cut-out source of the gas signal, electronic driver 11 can being started in time, when after eliminating gas leakage hidden danger, pilot pin can be pressed by hand, stroke probe 13 and pusher arm 12 are resetted, simultaneously manual unlocking fuel gas ball valve 14.
The internal chute connecting rod 20 of described interlock combiner 4 front end mainly controls the traffic direction of sliding rotor 18 and interlock lower link bar 17, makes sliding rotor 18 keeping parallelism rectilinear motion, thus drives lower link bar 17 to move, and drives valve handle 15 to move.
Radiation-sensitive sensor of the present invention, gas alarm is controlled, its circuit is simple, low price, good reliability, radiation-sensitive sensor is adopted to detect combustion gas, by the concentration value of gained compared with setting concentration value, deviation between obtaining, form deviation signal, by obtaining control signal to the process of deviation signal, secure localization bolt is turned to by the responsive pin in test instrumentation, interlink warning unit is delivered to alarm and interlock combiner in time, thus the control realized household fuel gas gas leakage, system is provided with indoor warning and outdoor warning device, indoor can be realized when gas leakage, outdoor same alarm, the autoalarm of the every unit users of described multi-storey building is all connected with outdoor electronic circuit controller, signal is networked.In electronic circuit controller, be provided with floor unit gate light warning device, and lighten out the floor and room number that leak user.Such design mainly prevents gas user from being old man or children, also have because there is no one at home, can not take measures in time, cause unexpected loss.The hardware circuit design of whole system is reasonable, and performance safety is reliable.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (5)

1. a Domestic liquefied-petroleum gas leakage alarm and automatically cut off compressed air source unit, it is characterized in that: comprise gas leakage alarm assembly and automatically cut off source of the gas assembly, described gas leakage alarm assembly comprises gas concentration test box (1), is provided with gas sensor (2) in described gas concentration test box; Described gas sensor (2) is connected with gas control instrument (22), is provided with responsive pin (23) and secure localization bolt (24) in gas control instrument (22); Described gas sensor (2) is provided with two measuring junctions, is connected to air-sensitive module (25) at two measuring junctions, and described air-sensitive module (25) is positioned at the outside of described gas concentration test box (1); Described gas leakage alarm assembly also comprises intelligent control box (3); In described intelligent control box (3), be provided with electronic circuit controller (5) and warning device, the signal output part of described electronic circuit controller (5) is connected with described warning device; Described automatic cut-out source of the gas assembly comprises interlock combiner (4); Described interlock combiner (4) is provided with electronic driver (11), be provided with internal chute connecting rod (20) in the front end of described interlock combiner (4) and connect a pusher arm (12) at the output terminal of described electronic driver (11), connect one stroke probe (13) at the end of pusher arm (12); A sliding rotor bar (18) is provided with in the chute of described internal chute connecting rod (20), the other end of described stroke probe (13) acts on the other end of described sliding rotor bar (18), described sliding rotor bar (18) is also hinged with an interlock lower link bar (17), the other end and the valve handle be connected with gas pipeline ball valve (15) of this interlock lower link bar (17); The signal output part of described gas sensor (2) is connected with the signal input part of electronic driver (11).
2. a kind of Domestic liquefied-petroleum gas leakage alarm according to claim 1 and automatically cut off compressed air source unit, it is characterized in that: in the chute of described internal chute connecting rod (20), be provided with a slide block, described sliding rotor bar (18) is fixedly connected with this slide block.
3. a kind of Domestic liquefied-petroleum gas leakage alarm according to claim 1 and automatically cut off compressed air source unit, is characterized in that: described warning device comprises the signal receiver (10) of indoor alarm equipment (6), outdoor alarm (7), signal coverter (8), oscillator (9) and floor alarm lamp; The signal output part of described gas sensor (2) respectively with pulse signal oscillator (10), the signal receiver (9) of indoor alarm equipment (6), outdoor alarm (8) and floor alarm lamp connects.
4. a kind of Domestic liquefied-petroleum gas leakage alarm according to claim 1 and automatically cut off compressed air source unit, is characterized in that: on described sliding rotor bar, be provided with a probe clash into groove, and described stroke probe acts on this probe and clashes in groove.
5. a kind of Domestic liquefied-petroleum gas leakage alarm according to claim 1 and automatically cut off compressed air source unit, is characterized in that: described electronic driver (11) is electric pushrod.
CN201410791121.2A 2014-12-19 2014-12-19 A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit Expired - Fee Related CN104464204B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410791121.2A CN104464204B (en) 2014-12-19 2014-12-19 A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410791121.2A CN104464204B (en) 2014-12-19 2014-12-19 A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit

Publications (2)

Publication Number Publication Date
CN104464204A true CN104464204A (en) 2015-03-25
CN104464204B CN104464204B (en) 2017-03-29

Family

ID=52910181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410791121.2A Expired - Fee Related CN104464204B (en) 2014-12-19 2014-12-19 A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit

Country Status (1)

Country Link
CN (1) CN104464204B (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105448046A (en) * 2015-12-08 2016-03-30 蓬江区绿星咨询服务中心 Poisonous gas leakage monitoring and alarming protection air bag device for the chemical industry
CN105894744A (en) * 2016-03-22 2016-08-24 成都铅笔科技有限公司 Gas alarm system and method
CN106870952A (en) * 2017-01-19 2017-06-20 上海斐讯数据通信技术有限公司 Intelligent gas explosion-proof method and its explosion-protection equipment
CN108154654A (en) * 2017-12-23 2018-06-12 中山市得高行知识产权中心(有限合伙) Gas leakage alarm device based on smart home
CN108386725A (en) * 2018-02-06 2018-08-10 无锡先迪德宝电子有限公司 A kind of gas leakage automatic detection alarm device
CN109979163A (en) * 2019-05-15 2019-07-05 永康微唯智能科技有限公司 A kind of carbon monoxide leakage alarm system for kitchen use
CN113808372A (en) * 2021-09-26 2021-12-17 深圳市智联云控科技有限公司 Combustible gas safety monitoring method and device and electronic equipment
CN114877111A (en) * 2022-07-12 2022-08-09 山东拙诚智能科技有限公司 Gas safety control device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2379674Y (en) * 1999-06-08 2000-05-24 吴惠彬 Device for shutting down pipeline
CN2551833Y (en) * 2002-06-19 2003-05-21 谢平 Ball valve opening-closing robot driven by electricity and hand
DE10317474A1 (en) * 2001-12-04 2004-11-04 Welcker, Inge Security device for gas appliances has externally actuated tension mechanism with which holding mechanism is moved from released state to standby state but cannot be fixed in latter
CN201202977Y (en) * 2008-06-13 2009-03-04 河南农业大学 Liquid gas leakage-proof controller
JP2010267182A (en) * 2009-05-18 2010-11-25 Hochiki Corp Alarm and alarm system
CN202746053U (en) * 2012-06-12 2013-02-20 浙江吉利汽车研究院有限公司杭州分公司 Monitoring device for engine air inlet system
CN204375121U (en) * 2014-12-19 2015-06-03 杨斯涵 A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2379674Y (en) * 1999-06-08 2000-05-24 吴惠彬 Device for shutting down pipeline
DE10317474A1 (en) * 2001-12-04 2004-11-04 Welcker, Inge Security device for gas appliances has externally actuated tension mechanism with which holding mechanism is moved from released state to standby state but cannot be fixed in latter
CN2551833Y (en) * 2002-06-19 2003-05-21 谢平 Ball valve opening-closing robot driven by electricity and hand
CN201202977Y (en) * 2008-06-13 2009-03-04 河南农业大学 Liquid gas leakage-proof controller
JP2010267182A (en) * 2009-05-18 2010-11-25 Hochiki Corp Alarm and alarm system
CN202746053U (en) * 2012-06-12 2013-02-20 浙江吉利汽车研究院有限公司杭州分公司 Monitoring device for engine air inlet system
CN204375121U (en) * 2014-12-19 2015-06-03 杨斯涵 A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105448046A (en) * 2015-12-08 2016-03-30 蓬江区绿星咨询服务中心 Poisonous gas leakage monitoring and alarming protection air bag device for the chemical industry
CN105448046B (en) * 2015-12-08 2017-12-26 蓬江区绿星咨询服务中心 A kind of monitoring, alarming protection airbag apparatus of chemical industry toxic gas leakage
CN105894744A (en) * 2016-03-22 2016-08-24 成都铅笔科技有限公司 Gas alarm system and method
CN106870952A (en) * 2017-01-19 2017-06-20 上海斐讯数据通信技术有限公司 Intelligent gas explosion-proof method and its explosion-protection equipment
CN106870952B (en) * 2017-01-19 2019-07-05 上海斐讯数据通信技术有限公司 Intelligent gas explosion-proof method and its explosion-protection equipment
CN108154654A (en) * 2017-12-23 2018-06-12 中山市得高行知识产权中心(有限合伙) Gas leakage alarm device based on smart home
CN108386725A (en) * 2018-02-06 2018-08-10 无锡先迪德宝电子有限公司 A kind of gas leakage automatic detection alarm device
CN109979163A (en) * 2019-05-15 2019-07-05 永康微唯智能科技有限公司 A kind of carbon monoxide leakage alarm system for kitchen use
CN113808372A (en) * 2021-09-26 2021-12-17 深圳市智联云控科技有限公司 Combustible gas safety monitoring method and device and electronic equipment
CN113808372B (en) * 2021-09-26 2022-12-30 深圳市智联云控科技有限公司 Combustible gas safety monitoring method and device and electronic equipment
CN114877111A (en) * 2022-07-12 2022-08-09 山东拙诚智能科技有限公司 Gas safety control device
CN114877111B (en) * 2022-07-12 2022-12-09 山东拙诚智能科技有限公司 Gas safety control device

Also Published As

Publication number Publication date
CN104464204B (en) 2017-03-29

Similar Documents

Publication Publication Date Title
CN104464204A (en) Household gas leakage alarm and automatic gas source cutoff device
CN204375121U (en) A kind of Domestic gas leakage alarm and automatically cut off compressed air source unit
CN201232854Y (en) Household fuel gas leakage multiaspect control device
CN110454686A (en) A kind of kitchen combustible gas leak alarm detection system
CN202333750U (en) Combustible gas alarming outage device
CN205484275U (en) Automatic inspection device of big space harmful gas
CN204693540U (en) Intelligent flue gas tapping equipment
CN205985762U (en) Intelligent high -low voltage power distribution cabinet
CN202523203U (en) Wireless gas meter reading system compatible with smoke detector gas monitoring
CN202472843U (en) Fire hazard alarm and coordinated control system with automatic detection function
CN208521420U (en) A kind of family's fuel gas alarm
CN209229756U (en) It is a kind of to detect the safety device for improving heat accumulation type thermal oxidation furnace based on LEL
CN112688222A (en) Two-in-one low-pressure locking device suitable for gas insulation ring main unit
CN207599788U (en) The combustion controller of automatic ignition and ionic flame detection one
CN203244716U (en) Automatic fire extinguishing system pressure type deflagration detector
CN205540165U (en) Gas boiler synthesizes explosion -proof alarm device
CN107976720B (en) False alarm detection device and method for infrared detector
CN208521419U (en) A kind of detection fire smog detector
CN206338952U (en) Water heater
CN206331566U (en) A kind of explosion-proof analyzer house safety monitoring alarm control system
CN204515973U (en) Damp warning device is driven in terminal box of transformer substation and mechanism case heating
CN205103152U (en) Gaseous telemetry unit of disconnect -type
CN203375529U (en) Temperature control type low pressure natural gas infrared radiation heating device
CN2679530Y (en) Linkage safety detection controller for gas cooker and cooker hood
CN203179201U (en) Infrared correlation alarm system for mutual inductor inspection site

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170329

Termination date: 20191219