CN102788179A - Novel wrong gas cut-off prevention electronic safety monitor - Google Patents
Novel wrong gas cut-off prevention electronic safety monitor Download PDFInfo
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- CN102788179A CN102788179A CN2011101650412A CN201110165041A CN102788179A CN 102788179 A CN102788179 A CN 102788179A CN 2011101650412 A CN2011101650412 A CN 2011101650412A CN 201110165041 A CN201110165041 A CN 201110165041A CN 102788179 A CN102788179 A CN 102788179A
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Abstract
The invention discloses a wrong gas cut-off prevention electronic safety monitor. According to the electronic safety monitor, not only a stove gas leakage detection sensor is arranged on a stove, but also a gas leakage detection sensor is arranged at a pipeline joint, so that the stove leakage can be detected, the leakage at the pipeline joint can be detected, meanwhile, a leakage point can be accurately determined, and a wrong gas cut-off condition is prevented by repeatedly acquiring the gas concentration at the stove after delaying for a preset time. In addition, by arranging a box for accommodating the sensor at the pipeline joint, the occurrence of the leakage at the pipeline joint can be effectively, timely and accurately detected by the sensor. Thus, the wrong gas cut-off prevention electronic safety monitor has a simple structure and is convenient and concise to implement, indoor gas leakage can be effectively monitored, accidents are avoided, the property safety of the masses of people is protected, and convenience is brought to use of a user.
Description
Technical field
The present invention relates to the novel anti-error cut-out combustion gas electronic security(ELSEC) monitoring unit of a kind of family expenses.
Background technique
Combustion gas is a kind of very energy of cleaning, extensive use in current life.But because of the caused intoxication accident of the leakage of combustion gas also increases gradually, all accidents for anti-heads causes have multiple safety detection device on the market.
Patents such as CN2731213Y are carried out the gas leakage detection through go up setting device at cooking stove (or stone or metal plate for standing a stove on as a precaution against fire), have well detected the gas leakage on the cooking stove.But in the reality, a lot of explosion of fire damp are not because gas cooking range leaks to be caused, but because the loosening or joint of joint appears in indoor fuel gas pipe joint place to be connected reason such as material aging and cause gas leakage, and accident such as set off an explosion.Therefore, detection device is arranged on the cooking stove and can not the leakage of fuel gas pipeline joint be effectively detected, what have simply just can't detect.Simultaneously, the gas cooker of some producer is owing to technical reason such as not meticulous, and gas cooker can not be lighted immediately during igniting; But just can light in gas cooker sparking back a period of time, and at this moment just a certain amount of gas leakage is arranged, at this moment; Control unit can be closed according to the numerical control main valve of cooking gas sensor passes; In fact gas leakage do not take place, obviously electronic control unit misoperation, the cut-out of mistake the gas supply of gas cooker.
Patents such as patent application CN101699114A, CN101413601A, CN201696705U all detect airborne gas concentration through devices such as combustion gas prober or sensor are set; When gas concentration exceeds a predefined value; Total valve is closed in control unit control, and reports to the police.This device can be monitored the gas leakage problem preferably, and still, its shortcoming also is tangible; When gas leakage takes place when; This combustion gas detection device can not be informed the concrete place of leaking of user, and promptly unclear is that leak at the cooking stove place or pipe coupling place is leaked, and brings very burden to maintenance.Simultaneously; Because combustion gas density is different with air density, therefore, the aerial distribution of combustion gas is not the even distribution of perfect condition; The distribution of combustion gas in the space is not uniform during particularly long-term minute leakage; When being lower than predefined value, near the gas concentration detection device do not represent that all local gas concentrations all are to be lower than predefined value in the space, therefore, though detection device does not have the warning reminding gas leakage; But indoor some local gas concentration has reached hazard level, causes the generation of flash burn or explosive accident.
Summary of the invention
To the existing problem of existing supervisory control for gas leak device, the present invention provides a kind of novel anti-error cut-out combustion gas electronic security(ELSEC) monitoring unit, and it improves in the following areas:
1) in the gas leakage of terminal operative installations such as monitoring gas cooker, the gas leakage of monitoring chamber interior conduit joint;
2) in pipe coupling place the casing hold detection devices such as gas security is set, makes detection device can effectively detect the gas leakage of pipeline joint;
3) prevent the wrong generation of cutting off the gas supply situation.
For achieving the above object, the present invention adopts following technological scheme: a kind of anti-error cut-out combustion gas electronic security(ELSEC) monitoring unit comprises electronic control unit, alarm, cooking gas Leak testtion sensor and pipe coupling gas leakage detecting sensor; Electronic control unit has display floater; Be equipped with casing in the joint of register one's residence main valve and interior conduit with in the joint of interior conduit and cooking stove, so that each joint is placed corresponding box house; Cooking gas Leak testtion sensor is set on cooking stove, is respectively arranged with pipe coupling gas leakage detecting sensor at each box house; Cooking gas Leak testtion sensor and all pipe coupling gas leakage detecting sensors are unified numbering; Cooking gas Leak testtion sensor all is connected to electronic control unit with all pipe coupling gas leakage detecting sensors; The electronic control unit controls main valve of registering one's residence; The said main valve of registering one's residence is a normal-open electromagnetic valve;
Electronic control unit will compare from the gas concentration data of each pipe coupling gas leakage detecting sensor collection and the normal data of control unit stored; As long as the concentration data of any said pipe coupling gas leakage detecting sensor input exceeds normal data; Electronic control unit just sends the SC sigmal control main valve and closes; And alarm is reported to the police; Simultaneously, demonstrate the numbering that concentration data exceeds the pipe coupling gas leakage detecting sensor of normal data on the display floater of electronic control unit;
And electronic control unit will compare from the gas concentration data of cooking gas Leak testtion sensor acquisition and the normal data of control unit stored; If the concentration data of cooking gas Leak testtion sensor input exceeds normal data; At this moment; Electronic control unit postpones to gather the concentration data that cooking gas Leak testtion sensor is imported once more behind the set time, if the concentration data of the cooking gas Leak testtion sensor of gathering once more input also exceeds normal data, at this moment; Electronic control unit just sends the SC sigmal control main valve and closes; And alarm is reported to the police, simultaneously, demonstrate the said cooking gas Leak testtion number of sensor that concentration data exceeds normal data on the display floater of electronic control unit.
The present invention is simple in structure; Implement convenient succinctly, can effectively monitor indoor fuel gas such as cooking stove and pipe coupling place and leak, and can confirm accurately that the gas leakage point avoids the accident generation; Protected the people's property safety; Simultaneously, prevent that the situation of by mistake cutting off combustion gas from taking place, and made things convenient for the user practical.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Embodiment
The passage of registering one's residence of combustion gas connects the main valve 2 of registering one's residence, and the main valve 2 of registering one's residence interconnects at joint 3 places with interior conduit, and interior conduit interconnects at joint 4 places and cooking stove.The main valve 2 of registering one's residence is normal-open electromagnetic valve, at joint 3 and 4 places casing is set respectively, and casing 9 is set at joint 3 places; 4 places are provided with casing 10 at joint; Joint 3 is contained in the casing 9, and joint 4 is contained in the casing 10, and gas leakage detecting sensor 5 is arranged in the casing 9; Gas leakage detecting sensor 6 is arranged in the casing 10; Gas leakage detecting sensor 7 is set on cooking stove, and gas leakage detecting sensor 5,6 is connected with electronic control unit 1 with 7, and the main valve 2 of registering one's residence also is connected with electronic control unit 1.Electronic control unit 1 has display floater, and, gas leakage detecting sensor 5,6,7 is unified numbering.
Containing the safety standard data of gas concentration at electronic control unit 1 internal memory, this normal data those skilled in the art can be according to the pertinent regulations of state/and standard is provided with, and certainly, those skilled in the art also can set up on their own according to concrete security needs.Be safe when gas concentration is lower than normal data, when gas concentration is higher than normal data, shows and leak, need close the main valve 2 of registering one's residence, overhaul.Electronic control unit 1 is gathered the gas concentration data of each sensor 5,6,7 input, and the gas concentration data of input and the normal data of electronic control unit 1 stored are compared.As long as the concentration data of any sensor input in the sensor 5,6 exceeds normal data, electronic control unit 1 just sends the SC sigmal control main valve 2 of registering one's residence and closes, and alarm 8 is reported to the police.For the sensor on the cooking stove 7; Electronic control unit 1 will compare from the gas concentration data of sensor 7 collections and the normal data of control unit stored, if the concentration data of sensor 7 inputs exceeds normal data, at this moment; Electronic control unit 1 postpones behind the set time concentration data of pick-up transducers 7 inputs once more; If the concentration data of gathering once more also exceeds normal data, at this moment, electronic control unit 1 confirms that just gas leakage takes place at the cooking stove place; Send the SC sigmal control main valve 2 of registering one's residence and close, and alarm 8 is reported to the police.As long as the gas concentration of which or several collections has exceeded normal data in the sensor 5,6,7; Just demonstrate the number of sensor that concentration data exceeds normal data on the display board of electronic control unit 1; Thereby just can confirm leakage point specifically takes place, make things convenient for technician's maintenance.
Generally speaking, the gas leakage detecting sensor that is provided with in pipe coupling place can accurately and timely detect the gas leakage of pipe coupling place, still; Ducted gaseous-pressure is bigger; Can be very soon behind the gas leakage disperse, on one side the time, perhaps do not receive the influence (such as the windage of range hood exhausting or other natural winds) of extraneous wind-force when leakage point and gas leakage detecting sensor 5,6 especially same; Even pipe coupling 3 and/or 4 has been leaked; Because the combustion gas of leaking disperses very soon, the concentration at sensor 5,6 places is very difficult in time to reach the safety standard data, waits that indoor some local gas concentration possibly reach the blast degree when reaching normal data; Even this moment, sensor 5 and/or 6 detected gas leakage, also be difficult to avoid the generation of accident.For solving this technological difficulties; The application is creationary, and 3,4 places are provided with casing 9,10 respectively in the joint; Sensor 5,6 is separately positioned in the casing 9,10, and casing 9,10 can converge the combustion gas of leaking, therefore; The combustion gas meeting of leaking is full of the inside of casing 9,10 very soon; Cause the gas concentrations in the casing 9,10 to reach normal data very soon, can be very in time thereby be arranged on sensor 5,6 in the casing 9,10, be easy to, detect gas leakage very accurately, and can not receive the interference of factors such as extraneous wind-force.And cooking stove is the place of cooker or the heating of other apparatus; Casing should not be set, and simultaneously, the gas outlet on the cooking stove is that ring-type evenly distributes on cooking stove; The gas that leaks can flow out from each gas outlet on the cooking stove; Therefore, and though with sensor 7 be arranged on cooking stove which side, can both detect the generation that cooking stove leaks basically comparatively accurately.The size of casing 9,10 should not be too big, is suitable for sensor 5,6 being packed into getting final product.
The set time of electronic control unit 1 time-delay can be set at 3 seconds, 5 seconds or 7 seconds or the like, and set time those skilled in the art required when specifically using can be easy to confirm according to situation such as concrete cooking stove and combustion gas.In addition; In the present invention, two joints 3 and 4 have only been provided, in practical application; Possibly only there are a joint or a plurality of joint; But for a person skilled in the art, those skilled in the art can carry out endless conversion to the foregoing description in the scope of technological scheme of the present invention, and these are all fallen in protection scope of the present invention.
Claims (2)
1. an anti-error cut-out combustion gas electronic security(ELSEC) monitoring unit comprises electronic control unit, alarm, cooking gas Leak testtion sensor and pipe coupling gas leakage detecting sensor; Electronic control unit has display floater; Be equipped with casing in the joint of register one's residence main valve and interior conduit with in the joint of interior conduit and cooking stove, and each joint is placed corresponding box house; Cooking gas Leak testtion sensor is set on cooking stove, is respectively arranged with pipe coupling gas leakage detecting sensor at each box house; Cooking gas Leak testtion sensor and all pipe coupling gas leakage detecting sensors are unified numbering; Cooking gas Leak testtion sensor all is connected to electronic control unit with all pipe coupling gas leakage detecting sensors; The electronic control unit controls main valve of registering one's residence; The said main valve of registering one's residence is a normal-open electromagnetic valve;
Electronic control unit will compare from the gas concentration data of each pipe coupling gas leakage detecting sensor collection and the normal data of control unit stored; As long as the concentration data of any said pipe coupling gas leakage detecting sensor input exceeds normal data; Electronic control unit just sends the SC sigmal control main valve of registering one's residence and closes; And alarm is reported to the police; Simultaneously, demonstrate the numbering that concentration data exceeds the pipe coupling gas leakage detecting sensor of normal data on the display floater of electronic control unit;
And electronic control unit will compare from the gas concentration data of cooking gas Leak testtion sensor acquisition and the normal data of control unit stored; If the concentration data of cooking gas Leak testtion sensor input exceeds normal data; At this moment; Electronic control unit postpones to gather the concentration data that cooking gas Leak testtion sensor is imported once more behind the set time, if the concentration data of the cooking gas Leak testtion sensor of gathering once more input also exceeds normal data, at this moment; Electronic control unit just sends the SC sigmal control main valve of registering one's residence and closes; And alarm is reported to the police, simultaneously, demonstrate the said cooking gas Leak testtion number of sensor that concentration data exceeds normal data on the display floater of electronic control unit.
2. according to claim 1 or 2 described security monitor, it is characterized in that: described solenoid valve is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110165041.2A CN102788179B (en) | 2011-06-20 | 2011-06-20 | Novel wrong gas cut-off prevention electronic safety monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110165041.2A CN102788179B (en) | 2011-06-20 | 2011-06-20 | Novel wrong gas cut-off prevention electronic safety monitor |
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| CN102788179A true CN102788179A (en) | 2012-11-21 |
| CN102788179B CN102788179B (en) | 2014-02-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103791142A (en) * | 2014-01-24 | 2014-05-14 | 秦晨风 | Domestic gas and water valve safety monitoring and automatic closing device |
| CN104215403A (en) * | 2013-06-03 | 2014-12-17 | 海尔集团公司 | Gas equipment and sealability detection method thereof |
| CN110118366A (en) * | 2018-02-07 | 2019-08-13 | 青岛海尔智慧厨房电器有限公司 | Intelligent gas stove and gas leakage detection method |
| CN111006278A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Oil fume purification device and oil fume leakage monitoring method thereof |
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| JP2001183207A (en) * | 1999-12-27 | 2001-07-06 | Matsushita Electric Ind Co Ltd | Gas safety control circuit |
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| KR20070066564A (en) * | 2005-12-22 | 2007-06-27 | (주) 오알이 | Wireless gas cut off device |
| CN101943325A (en) * | 2010-08-06 | 2011-01-12 | 胡嘉林 | Device and method for actively detecting leakage of gas system and protecting gas system |
| CN201802967U (en) * | 2010-08-27 | 2011-04-20 | 杭州权衡科技有限公司 | Fuel gas control device |
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- 2011-06-20 CN CN201110165041.2A patent/CN102788179B/en not_active Expired - Fee Related
Patent Citations (6)
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| JP2001183207A (en) * | 1999-12-27 | 2001-07-06 | Matsushita Electric Ind Co Ltd | Gas safety control circuit |
| CN2591622Y (en) * | 2002-09-20 | 2003-12-10 | 北京科力恒安全设备有限责任公司 | Combustable gas detector |
| KR20070066564A (en) * | 2005-12-22 | 2007-06-27 | (주) 오알이 | Wireless gas cut off device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104215403A (en) * | 2013-06-03 | 2014-12-17 | 海尔集团公司 | Gas equipment and sealability detection method thereof |
| CN103791142A (en) * | 2014-01-24 | 2014-05-14 | 秦晨风 | Domestic gas and water valve safety monitoring and automatic closing device |
| CN103791142B (en) * | 2014-01-24 | 2016-08-03 | 秦晨风 | Household fuel gas, penstock security monitoring self closing device |
| CN110118366A (en) * | 2018-02-07 | 2019-08-13 | 青岛海尔智慧厨房电器有限公司 | Intelligent gas stove and gas leakage detection method |
| CN110118366B (en) * | 2018-02-07 | 2024-07-02 | 青岛海尔智慧厨房电器有限公司 | Intelligent gas stove and gas leakage detection method |
| CN111006278A (en) * | 2020-01-03 | 2020-04-14 | 宁波方太厨具有限公司 | Oil fume purification device and oil fume leakage monitoring method thereof |
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| CN102788179B (en) | 2014-02-19 |
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