CN105528864A - Intelligent gas alarm and alarm debugging method - Google Patents
Intelligent gas alarm and alarm debugging method Download PDFInfo
- Publication number
- CN105528864A CN105528864A CN201510987468.9A CN201510987468A CN105528864A CN 105528864 A CN105528864 A CN 105528864A CN 201510987468 A CN201510987468 A CN 201510987468A CN 105528864 A CN105528864 A CN 105528864A
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- gas
- alarm
- control system
- sensor
- way switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
- G08B21/16—Combustible gas alarms
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- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
Abstract
The invention discloses an intelligent gas alarm and an alarm debugging method. The traditional alarm can be used for starting a gas electromagnetic valve and closing a gas source to avoid further leakage of gas, but does not have a function of starting corresponding gas evacuation equipment. The intelligent gas alarm comprises a gas alarm control system, which is provided with a shell (1); a group of gas sensors (2) is arranged in the shell and electrically connected to a conditioning circuit (3) respectively; the conditioning circuits are jointly electrically connected to a multi-way switch (4); the multi-way switch is electrically connected to a programmable amplifier (5); the programmable amplifier is electrically connected to an A/D converter (6); the A/D converter is electrically connected to a master control CPU (Central Processing Unit) (7); and the master control CPU is electrically connected to a liquid crystal display (8), a keyboard interface (9) and a local execution mechanism controller (10) respectively. The invention is applied to an intelligent gas alarm and an alarm debugging method.
Description
technical field:
the present invention relates to a kind of intelligent gas alarm and warning adjustment method.
background technology:
when existing fuel gas alarm uses, when detecting that in certain space, gas content exceeds standard, generally only possess warning function, warning personnel take associative operation; Or electronic gas valve can be started while reporting to the police, thus close fuel gas source, avoid the further leakage of combustion gas.But do not possess and start the function that equipment is evacuated in corresponding combustion gas, i.e. the gas content of space internal leakage remains unchanged, when after warning, personnel enter this space in ignorant situation, still there is certain danger; Existing fuel gas alarm in addition, the problems such as because its power circuit is not generally bistable volt circuit, and its driving circuit does not generally possess and avoids forceful electric power interference protection measure, and the reference voltage that provides of its detection module is stable not in addition, all cause wrong report phenomenon.
summary of the invention:
the object of this invention is to provide a kind of intelligent gas alarm and warning adjustment method.
above-mentioned object is realized by following technical scheme:
a kind of intelligent gas alarm, its composition comprises: fuel gas alarm control system, described fuel gas alarm control system has housing, there is in described housing one group of gas sensor, one group of described gas sensor is electrically connected modulate circuit respectively, described modulate circuit is connected electrically on multi-way switch jointly, on described multi-way switch electrical connection programmable amplifier, described programmable amplifier electrical connection A/D converter, described A/D converter is connected electrically on master cpu, described master cpu is electrically connected liquid crystal display respectively, in keyboard interface and local actuator controller.
described intelligent gas alarm, described fuel gas alarm control system inside also has pyroelectric infrared sensor, its installation site is near the port of stove and accessory, described pyroelectric infrared sensor concatenation operation amplifier, described operational amplifier connects comparator circuit, and described comparator circuit is connected on described multi-way switch simultaneously.
described intelligent gas alarm, one group of described gas sensor, is arranged on the protective device of the gas piping of workplace, Valve joint and electrical equipment respectively.
the warning adjustment method of described intelligent gas alarm, its alarm method is: first gas sensor control system is arranged in workplace or near Gas appliance by (), by the protective device of gas piping, Valve joint and the electrical equipment of each sensor respectively between cut-in operation; (2) sensitivity of gas sensor is adjusted, when Gas appliance normally uses, its sensor be arranged on everywhere answers perception less than any signal, when occurring leaking, each gas sensor should have different performances, should action first to some extent from the alarm close to leakage point, certain deferred action should be had from the alarm away from leakage point; Whole debug process can complete in workplace, also can adjust when gas sensor dispatches from the factory; (3) control system should ensure effectively to amplify through programmable amplifier after obtaining the electric signal that multi-way switch transmits, pass to A/D converter again, signal is passed to master cpu through conversion by A/D converter, master cpu makes correct action to control to close gas pipeline solenoid valve, start exhaust fan and lampblack absorber action, to ensure that the inflammable gas content of the room air of workplace is lowered at short notice; (4) mode of manual control is utilized to make multi-way switch produce the electric signal identical with during generation gas leakage, with debug master cpu make correct action controlling closing gas pipeline solenoid valve, to start exhaust fan and lampblack absorber action be key to the debugging of fuel gas alarm control system entirety, further after we increase unofficial biography device to fuel gas alarm control system, upload process can also be done to output electric signal, to realize the further control used combustion gas by CAN and RS485 interface.
beneficial effect of the present invention:
1. fuel gas alarm of the present invention, its control system, adopt semiconductor gas sensor that certain gas concentration is changed into corresponding electric signal, can effectively for the detection of the gases such as methane, acetylene, hydrogen, carbon monoxide, carbon dioxide, ethene, ethane.
fuel gas alarm of the present invention, not only possesses the function of warning and startup solenoid valve for gas, starts exhaust fan and lampblack absorber action simultaneously, make the combustion gas of leakage get rid of as early as possible or evacuate, avoid potential danger.
fuel gas alarm of the present invention, power circuit is bistable volt circuit, and takes to avoid forceful electric power interference protection measure, greatly reduces the incidence of wrong report.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
in figure: 1-housing; 2-gas sensor; 3-modulate circuit; 4-multi-way switch; 5-programmable amplifier; 6-A/D converter; 7-master cpu; 8-liquid crystal display; 9-keyboard interface; 10-local actuator controller; 11-comparator circuit; 12-operational amplifier; 13-pyroelectric infrared sensor;
embodiment:
embodiment 1:
a kind of intelligent gas alarm, its composition comprises: fuel gas alarm control system, described fuel gas alarm control system has housing 1, there is in described housing one group of gas sensor 2, one group of described gas sensor is electrically connected modulate circuit 3 respectively, described modulate circuit is connected electrically on multi-way switch 4 jointly, on described multi-way switch electrical connection programmable amplifier 5, described programmable amplifier electrical connection A/D converter 6, described A/D converter is connected electrically on master cpu 7, described master cpu is electrically connected liquid crystal display 8 respectively, in keyboard interface 9 and local actuator controller 10.
embodiment 2:
intelligent gas alarm according to embodiment 1, described fuel gas alarm control system inside also has pyroelectric infrared sensor 13, its installation site is near the port of stove and accessory, described pyroelectric infrared sensor concatenation operation amplifier 12, described operational amplifier connects comparator circuit 11, and described comparator circuit is connected on described multi-way switch simultaneously.
embodiment 3:
intelligent gas alarm according to embodiment 1 or 2, one group of described gas sensor, is arranged on the protective device of the gas piping of workplace, Valve joint and electrical equipment respectively.
embodiment 4:
a kind of warning adjustment method utilizing intelligent gas alarm described in embodiment 1 to 3, its alarm method is: first gas sensor control system is arranged in workplace or near Gas appliance by (1), by the protective device of gas piping, Valve joint and the electrical equipment of each sensor respectively between cut-in operation; (2) sensitivity of gas sensor is adjusted, when Gas appliance normally uses, its sensor be arranged on everywhere answers perception less than any signal, when occurring leaking, each gas sensor should have different performances, should action first to some extent from the alarm close to leakage point, certain deferred action should be had from the alarm away from leakage point; Whole debug process can complete in workplace, also can adjust when gas sensor dispatches from the factory; (3) control system should ensure effectively to amplify through programmable amplifier after obtaining the electric signal that multi-way switch transmits, pass to A/D converter again, signal is passed to master cpu through conversion by A/D converter, master cpu makes correct action to control to close gas pipeline solenoid valve, start exhaust fan and lampblack absorber action, to ensure that the inflammable gas content of the room air of workplace is lowered at short notice; (4) mode of manual control is utilized to make multi-way switch produce the electric signal identical with during generation gas leakage, with debug master cpu make correct action controlling closing gas pipeline solenoid valve, to start exhaust fan and lampblack absorber action be key to the debugging of fuel gas alarm control system entirety, further after we increase remote transmission device to fuel gas alarm control system, upload process can also be done to output signal, to realize the further control used combustion gas by CAN and RS485 interface.
Claims (4)
1. an intelligent gas alarm, its composition comprises: fuel gas alarm control system, it is characterized in that: described fuel gas alarm control system has housing, there is in described housing one group of gas sensor, one group of described gas sensor is electrically connected modulate circuit respectively, described modulate circuit is connected electrically on multi-way switch jointly, on described multi-way switch electrical connection programmable amplifier, described programmable amplifier electrical connection A/D converter, described A/D converter is connected electrically on master cpu, described master cpu is electrically connected liquid crystal display respectively, in keyboard interface and local actuator controller.
2. intelligent gas alarm according to claim 1, it is characterized in that: described fuel gas alarm control system inside also has pyroelectric infrared sensor, its installation site is near the port of stove and accessory, described pyroelectric infrared sensor concatenation operation amplifier, described operational amplifier connects comparator circuit, and described comparator circuit is connected on described multi-way switch simultaneously.
3. intelligent gas alarm according to claim 1 and 2, is characterized in that: one group of described gas sensor, is arranged on the protective device of the gas piping of workplace, Valve joint and electrical equipment respectively.
4. one kind utilizes the warning adjustment method of the intelligent gas alarm described in claim 1 to 3, it is characterized in that: its warning adjustment method is: first gas sensor control system is arranged in workplace or near Gas appliance by (), by the protective device of gas piping, Valve joint and the electrical equipment of each sensor respectively between cut-in operation; (2) sensitivity of gas sensor is adjusted, when Gas appliance normally uses, its sensor be arranged on everywhere answers perception less than any signal, when occurring leaking, each gas sensor should have different performances, should action first to some extent from the alarm close to leakage point, certain deferred action should be had from the alarm away from leakage point; Whole debug process can complete in workplace, also can adjust when gas sensor dispatches from the factory; (3) control system should ensure effectively to amplify through programmable amplifier after obtaining the electric signal that multi-way switch transmits, pass to A/D converter again, signal is passed to master cpu through conversion by A/D converter, master cpu makes correct action to control to close gas pipeline solenoid valve, start exhaust fan and lampblack absorber action, to ensure that the inflammable gas content of the room air of workplace is lowered at short notice; (4) mode of manual control is utilized to make multi-way switch produce the electric signal identical with during generation gas leakage, with debug master cpu make correct action controlling closing gas pipeline solenoid valve, to start exhaust fan and lampblack absorber action be key to the debugging of fuel gas alarm control system entirety, further after we increase unofficial biography device to fuel gas alarm control system, upload process can also be done to output electric signal, to realize the further control used combustion gas by CAN and RS485 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987468.9A CN105528864A (en) | 2015-12-27 | 2015-12-27 | Intelligent gas alarm and alarm debugging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510987468.9A CN105528864A (en) | 2015-12-27 | 2015-12-27 | Intelligent gas alarm and alarm debugging method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105528864A true CN105528864A (en) | 2016-04-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510987468.9A Withdrawn CN105528864A (en) | 2015-12-27 | 2015-12-27 | Intelligent gas alarm and alarm debugging method |
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| Country | Link |
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| CN (1) | CN105528864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711252A (en) * | 2018-09-06 | 2018-10-26 | 青岛海大新星软件咨询有限公司 | A kind of home intelligent management system |
| CN110782640A (en) * | 2019-11-07 | 2020-02-11 | 成都千嘉科技有限公司 | Online self-calibration gas alarm and calibration method thereof |
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| CN2723997Y (en) * | 2003-09-18 | 2005-09-07 | 重庆科安电子有限公司 | Portable methane detection alarm with magnetic control regulating |
| CN1865969A (en) * | 2005-05-18 | 2006-11-22 | 深圳奥特迅电气设备有限公司 | Gas sensor, gas detector, and self-testing and self-correcting method therefor |
| CN201725409U (en) * | 2010-07-02 | 2011-01-26 | 洛阳理工学院 | Intelligent gas alarm |
| CN102496243A (en) * | 2011-12-28 | 2012-06-13 | 邓书德 | Household fuel gas leakage alarm |
| CN202632483U (en) * | 2012-05-29 | 2012-12-26 | 山东通明低碳新能源科技开发有限公司 | Multiple gas sensitive gas leakage alarm device |
| CN203055103U (en) * | 2013-02-06 | 2013-07-10 | 陕西理工学院 | Remote household gas leakage monitoring and alarm system |
| CN203204796U (en) * | 2013-04-12 | 2013-09-18 | 李锐 | Maintenance measurement system for limited space flammable toxic gas alarm apparatus network of things |
-
2015
- 2015-12-27 CN CN201510987468.9A patent/CN105528864A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2723997Y (en) * | 2003-09-18 | 2005-09-07 | 重庆科安电子有限公司 | Portable methane detection alarm with magnetic control regulating |
| CN1865969A (en) * | 2005-05-18 | 2006-11-22 | 深圳奥特迅电气设备有限公司 | Gas sensor, gas detector, and self-testing and self-correcting method therefor |
| CN201725409U (en) * | 2010-07-02 | 2011-01-26 | 洛阳理工学院 | Intelligent gas alarm |
| CN102496243A (en) * | 2011-12-28 | 2012-06-13 | 邓书德 | Household fuel gas leakage alarm |
| CN202632483U (en) * | 2012-05-29 | 2012-12-26 | 山东通明低碳新能源科技开发有限公司 | Multiple gas sensitive gas leakage alarm device |
| CN203055103U (en) * | 2013-02-06 | 2013-07-10 | 陕西理工学院 | Remote household gas leakage monitoring and alarm system |
| CN203204796U (en) * | 2013-04-12 | 2013-09-18 | 李锐 | Maintenance measurement system for limited space flammable toxic gas alarm apparatus network of things |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711252A (en) * | 2018-09-06 | 2018-10-26 | 青岛海大新星软件咨询有限公司 | A kind of home intelligent management system |
| CN110782640A (en) * | 2019-11-07 | 2020-02-11 | 成都千嘉科技有限公司 | Online self-calibration gas alarm and calibration method thereof |
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Application publication date: 20160427 |
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