CN104408861A - Kitchen safety detection method - Google Patents
Kitchen safety detection method Download PDFInfo
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- CN104408861A CN104408861A CN201410598195.4A CN201410598195A CN104408861A CN 104408861 A CN104408861 A CN 104408861A CN 201410598195 A CN201410598195 A CN 201410598195A CN 104408861 A CN104408861 A CN 104408861A
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- gas concentration
- smokescope
- kitchen
- safety
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
Abstract
Disclosed in the invention is a kitchen safety detection method. The method comprises the following steps: (1), detecting a combustible gas concentration and a smoke concentration in a kitchen respectively; and (2), comparing the detected combustible gas concentration data and the detected smoke concentration data with preset values and determining whether to start alarming. With the method, a kitchen fire can be effectively prevented and warned; and reliability is high.
Description
Technical field
The invention belongs to detection technique field, particularly a kind of detection method for improving kitchen safety in utilization.
Background technology
Day by day serious along with food problems, a lot of people starts to select oneself to be in and cooks, kitchen is the place that people often use, more because kitchen uses the frequency of coal gas, naked light high, become the place of the easiest breaking out of fire in family, for the consideration to safety, there is a variety of product for fire disasters protection at present, if Chinese Patent Application No. 201320338550.5, title " a kind of kitchen air quality detecting and controlling system " are by adopting gas sensor, detect the inflammable gas in air and toxic gas concentration, and judge whether to ventilate; For another example Chinese Patent Application No. 201320004363.3, title " a kind of backstairs with temperature detector and alarm " are by set temperature pick-up unit, the principle that when utilizing breaking out of fire, temperature can raise, the trigger alarm when kitchen temperature reaches uniform temperature, reminds people to note.
Carefully analyze and be not difficult to find out, aforementioned two pieces application comprehensively can not be taken precautions against when breaking out of fire, for first application, even if the inflammable gas concentration in air is less, if there is naked light etc., also likely cause fire, and now this system can not realize good monitoring; For second application, when using combustion gas to cook, the temperature in kitchen natively can raise, particularly during the broiling summer, the temperature in the kitchen closed when ventilating not smooth is very high especially, therefore relies on merely temperature to judge whether breaking out of fire, is easy to cause false alarm.
By above analysis, the effect that existing kitchen safety detection method can not be realized ideal well, haves much room for improvement.
Summary of the invention
Fundamental purpose of the present invention, is to provide a kind of kitchen safety detection method, and it can effectively be taken precautions against cooking fire and report to the police, and reliability is stronger.
Secondary objective of the present invention, is to provide a kind of kitchen safety detection method, its stable work in work.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of kitchen safety detection method, comprises the steps:
(1) combustable gas concentration in kitchen and smokescope is detected respectively;
(2) respectively the combustable gas concentration data of detection and smokescope data are compared with preset value, and judge whether to start warning.
In above-mentioned steps (2), judge whether to start according to following steps and report to the police:
(a1) gas concentration maximal value m1, gas concentration safety value s1, smokescope maximal value m2 and smokescope safety value s2 are set respectively, and m1>s1, m2>s2;
(a2) gas concentration is detected data c1 to compare with gas concentration maximal value m1, smokescope is detected data c2 to compare with smokescope maximal value m2, as long as c1>m1 and c2>m2 meets at least one condition, start and report to the police, otherwise enter step (a3);
(a3) comparison gas Concentration Testing data c1 and gas concentration safety value s1 is continued, relatively smokescope detects data c2 and smokescope safety value s2, if and only if when c1>s1 and c2>s2 meets simultaneously, start and report to the police, otherwise return step (1).
Above-mentioned steps (a2), with step (a3), adopts LM324 to realize data and compares.
In above-mentioned steps (2), judge whether to start according to following steps and report to the police:
(b1) gas concentration maximal value m1, gas concentration safety value s1, smokescope maximal value m2 and smokescope safety value s2 are set respectively, and m1>s1, m2>s2;
(b2) gas concentration is detected data c1 and gas concentration safety value s1 compares, smokescope is detected data c2 and smokescope safety value s2 compares, if c1>s1 and c2>s2 meets simultaneously, start and report to the police; If c1>s1 and c2>s2 only meets one, enter step (b3); If c1>s1 and c2>s2 does not all meet, return step (1);
(b3) gas concentration is detected data c1 to compare with gas concentration maximal value m1, smokescope is detected data c2 to compare with smokescope maximal value m2, as long as c1>m1 and c2>m2 meets at least one condition, start and report to the police, otherwise return step (1).
Above-mentioned steps (b2), with step (b3), adopts LM324 to realize data and compares.
In above-mentioned steps (1), adopt the combustable gas concentration in semiconductor-type gas sensor detection kitchen.
In above-mentioned steps (1), adopt the smokescope in ion type smog sensor detection kitchen.
In above-mentioned steps (2), hummer is adopted to realize reporting to the police.
After adopting such scheme, the present invention is by gathering smokescope data, and not only gather the combustable gas concentration in kitchen, also carry out comprehensive descision in conjunction with smokescope, consider the potential safety hazard of various existence, get rid of the possibility that fire occurs, security performance is higher.
In addition, the present invention also judges by simple Digital Logic, completes each detection data and comparing between preset value, and by the comprehensive analysis of various comparative result, realize the control criterion to alarm, job stability is good.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention;
Fig. 2 be the present invention adopt criterion realize schematic diagram.
Embodiment
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail.
As shown in Figure 1, the invention provides a kind of kitchen safety detection method, comprise the steps:
(1) combustable gas concentration in kitchen and smokescope is detected respectively;
(2) respectively the combustable gas concentration data of detection and smokescope data are compared with preset value, and judge whether to start warning.
In above-mentioned steps (2), judge whether to start according to following steps and report to the police:
(a1) gas concentration maximal value m1, gas concentration safety value s1, smokescope maximal value m2 and smokescope safety value s2 are set respectively, and m1>s1, m2>s2;
(a2) gas concentration is detected data c1 to compare with gas concentration maximal value m1, smokescope is detected data c2 to compare with smokescope maximal value m2, as long as c1>m1 and c2>m2 meets at least one condition, start and report to the police, otherwise enter step (a3);
(a3) comparison gas Concentration Testing data c1 and gas concentration safety value s1 is continued, relatively smokescope detects data c2 and smokescope safety value s2, if and only if when c1>s1 and c2>s2 meets simultaneously, start and report to the police, otherwise return step (1).
During concrete enforcement, controller, gas concentration sensor, smoke transducer and alarm can be adopted realize, introduce respectively below.
Described gas concentration sensor can adopt semiconductor-type gas sensor, be arranged in kitchen, it is the detecting element according to being made up of metal oxide or metal semiconductor oxide material, can be used to the inflammable gas detecting percent concentration, have the advantages that structure is simple, detection sensitivity is high, reaction velocity is fast; Described gas concentration sensor detects the combustable gas concentration in kitchen in real time, and sends into controller.
Described smoke transducer can adopt ion type smog sensor, and it is very sensitive to the induction of small smoke particle; Described smoke transducer is located in kitchen, is connected with controller, can detect the smokescope in kitchen in real time, and the data detected are sent into controller.
Described controller receives the gas concentration data of These gases concentration sensor detection and the smokescope data of smoke transducer detection respectively, and respectively described data and preset value are compared analysis, judge whether to need to start alarm, concrete judgement principle is, respectively maximal value and safety value are set for gas concentration and smokescope, by judging the size of data and each preset value detected, thus draw control command, wherein, the maximal value of each concentration is higher than safety value, if detect data higher than maximal value, represent and reach harmful grade, must report to the police, if detect data lower than safety value, then represent that kitchen is in a safe condition, if and detection data are between maximal value and safety value, then need to detect aggregation of data in conjunction with other and judge unsafe condition.
It should be noted that, when judging whether to report to the police, the order of step (a2) with step (a3) can also be exchanged, judge whether to start according to following steps and report to the police:
(b1) gas concentration maximal value m1, gas concentration safety value s1, smokescope maximal value m2 and smokescope safety value s2 are set respectively, and m1>s1, m2>s2;
(b2) gas concentration is detected data c1 and gas concentration safety value s1 compares, smokescope is detected data c2 and smokescope safety value s2 compares, if c1>s1 and c2>s2 meets simultaneously, start and report to the police; If c1>s1 and c2>s2 only meets one, enter step (b3); If c1>s1 and c2>s2 does not all meet, return step (1);
(b3) gas concentration is detected data c1 to compare with gas concentration maximal value m1, smokescope is detected data c2 to compare with smokescope maximal value m2, as long as c1>m1 and c2>m2 meets at least one condition, start and report to the police, otherwise return step (1).
In the present embodiment, shown in the criterion composition graphs 2 followed, comprise four comparer D1-D4, one input or door D6 with door D5 and three, wherein, the reference value of the first comparer D1 is set to gas concentration maximal value, its input end connects the output terminal of gas concentration sensor, and the output terminal of D1 connects the first input end of three inputs or door D6; The reference value of the second comparer D2 is set to smokescope maximal value, and its input end connects the output terminal of smoke transducer, and the output terminal of D2 connects second input end of three inputs or door D6; The reference value of the 3rd comparer D3 is set to gas concentration safety value, and its input end connects the output terminal of gas concentration sensor, and the output terminal of D3 connects an input end with door D5; The reference value of the 4th comparer D4 is set to smokescope safety value, and its input end connects the output terminal of smoke transducer, and the output terminal of D4 connects another input end with door D5; Describedly be connected three with the output terminal of door D5 and input or the 3rd input end of door D6, the input end of the output terminal then connection control circuit of three inputs or door D6, and the output terminal of control circuit connects alarm, if control circuit receives high level, then start alarm, if control circuit receives low level, then do not start alarm.Wherein, comparer can adopt LM324.
Composition graphs 2, its truth table is as shown in table 1, wherein, represents the output signal corresponding with it respectively with D1-D6.
Table 1
| D1 | D2 | D3 | D4 | D5 | D6 |
| 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 0 | 1 | 0 | 0 |
| 0 | 1 | 0 | 1 | 0 | 1 |
| 0 | 0 | 1 | 0 | 0 | 0 |
| 1 | 0 | 1 | 0 | 0 | 1 |
| X | X | 1 | 1 | 1 | 1 |
As can be seen from Table 1, as long as any one of gas concentration and smokescope detects data higher than its corresponding maximal value, decision circuitry will export high level to control circuit, starts alarm; And if any one detects data between maximal value and safety value, then need the comparative result detecting data in conjunction with another, if both all between maximal value and safety value (combustable gas concentration is higher, and smog is larger), still judge breaking out of fire, start and report to the police; If another detects data lower than safety value, represent it may is now because the gas concentration that causes of cooking raises or oil smoke is comparatively large, make detected status more comprehensive.
In the present embodiment, alarm adopts hummer.
To sum up, a kind of kitchen of the present invention safety detection method, by arranging maximal value and safety value two reference values, compares existing structure, and the factor not only considered is more comprehensive, and has better preventing function, and reliability is better.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (8)
1. a kitchen safety detection method, is characterized in that comprising the steps:
(1) combustable gas concentration in kitchen and smokescope is detected respectively;
(2) respectively the combustable gas concentration data of detection and smokescope data are compared with preset value, and judge whether to start warning.
2. a kind of kitchen as claimed in claim 1 safety detection method, is characterized in that in described step (2), judges whether to start report to the police according to following steps:
(a1) gas concentration maximal value m1, gas concentration safety value s1, smokescope maximal value m2 and smokescope safety value s2 are set respectively, and m1>s1, m2>s2;
(a2) gas concentration is detected data c1 to compare with gas concentration maximal value m1, smokescope is detected data c2 to compare with smokescope maximal value m2, as long as c1>m1 and c2>m2 meets at least one condition, start and report to the police, otherwise enter step (a3);
(a3) comparison gas Concentration Testing data c1 and gas concentration safety value s1 is continued, relatively smokescope detects data c2 and smokescope safety value s2, if and only if when c1>s1 and c2>s2 meets simultaneously, start and report to the police, otherwise return step (1).
3. a kind of kitchen as claimed in claim 2 safety detection method, is characterized in that: described step (a2), with step (a3), adopts LM324 to realize data and compares.
4. a kind of kitchen as claimed in claim 1 safety detection method, is characterized in that in step (2), judges whether to start report to the police according to following steps:
(b1) gas concentration maximal value m1, gas concentration safety value s1, smokescope maximal value m2 and smokescope safety value s2 are set respectively, and m1>s1, m2>s2;
(b2) gas concentration is detected data c1 and gas concentration safety value s1 compares, smokescope is detected data c2 and smokescope safety value s2 compares, if c1>s1 and c2>s2 meets simultaneously, start and report to the police; If c1>s1 and c2>s2 only meets one, enter step (b3); If c1>s1 and c2>s2 does not all meet, return step (1);
(b3) gas concentration is detected data c1 to compare with gas concentration maximal value m1, smokescope is detected data c2 to compare with smokescope maximal value m2, as long as c1>m1 and c2>m2 meets at least one condition, start and report to the police, otherwise return step (1).
5. a kind of kitchen as claimed in claim 4 safety detection method, is characterized in that: described step (b2), with step (b3), adopts LM324 to realize data and compares.
6. a kind of kitchen as claimed in claim 1 safety detection method, is characterized in that: in described step (1), adopts the combustable gas concentration in semiconductor-type gas sensor detection kitchen.
7. a kind of kitchen as claimed in claim 1 safety detection method, is characterized in that: in described step (1), adopts the smokescope in ion type smog sensor detection kitchen.
8. a kind of kitchen as claimed in claim 1 safety detection method, is characterized in that: in described step (2), adopts hummer to realize reporting to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598195.4A CN104408861A (en) | 2014-10-30 | 2014-10-30 | Kitchen safety detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598195.4A CN104408861A (en) | 2014-10-30 | 2014-10-30 | Kitchen safety detection method |
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| Publication Number | Publication Date |
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| CN104408861A true CN104408861A (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410598195.4A Withdrawn CN104408861A (en) | 2014-10-30 | 2014-10-30 | Kitchen safety detection method |
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| CN (1) | CN104408861A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301195A (en) * | 2015-10-30 | 2016-02-03 | 桂林市腾瑞电子科技有限公司 | Method and system for detecting gas |
| CN108922126A (en) * | 2018-07-06 | 2018-11-30 | 四川长虹电器股份有限公司 | A kind of natural gas leakage alarm system and alarm method |
| CN115240373A (en) * | 2022-07-14 | 2022-10-25 | 中万恩科技有限公司 | Dish washer natural gas and combustible gas detection alarm method and device and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386496Y (en) * | 1999-08-17 | 2000-07-05 | 纪连勇 | Domestic gas safety monitor unit |
| WO2012169802A2 (en) * | 2011-06-08 | 2012-12-13 | 한국전자통신연구원 | Composite temperature and smoke alarm device and equipped smoke sensor therein |
| CN203338158U (en) * | 2013-06-14 | 2013-12-11 | 嵊州市中立电子器材有限公司 | A kitchen air quality detection control system |
| CN203465804U (en) * | 2013-07-11 | 2014-03-05 | 上海华宿电气股份有限公司 | Wirelessly-powered electrical fire monitoring detector |
| CN103729962A (en) * | 2012-10-10 | 2014-04-16 | 中国北车集团大同电力机车有限责任公司 | Apparatus panel cabinet fireproof monitoring method, device and system |
| CN103994477A (en) * | 2014-04-28 | 2014-08-20 | 四川长虹电器股份有限公司 | Intelligent gas kitchen range control system and control method thereof |
-
2014
- 2014-10-30 CN CN201410598195.4A patent/CN104408861A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386496Y (en) * | 1999-08-17 | 2000-07-05 | 纪连勇 | Domestic gas safety monitor unit |
| WO2012169802A2 (en) * | 2011-06-08 | 2012-12-13 | 한국전자통신연구원 | Composite temperature and smoke alarm device and equipped smoke sensor therein |
| CN103729962A (en) * | 2012-10-10 | 2014-04-16 | 中国北车集团大同电力机车有限责任公司 | Apparatus panel cabinet fireproof monitoring method, device and system |
| CN203338158U (en) * | 2013-06-14 | 2013-12-11 | 嵊州市中立电子器材有限公司 | A kitchen air quality detection control system |
| CN203465804U (en) * | 2013-07-11 | 2014-03-05 | 上海华宿电气股份有限公司 | Wirelessly-powered electrical fire monitoring detector |
| CN103994477A (en) * | 2014-04-28 | 2014-08-20 | 四川长虹电器股份有限公司 | Intelligent gas kitchen range control system and control method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105301195A (en) * | 2015-10-30 | 2016-02-03 | 桂林市腾瑞电子科技有限公司 | Method and system for detecting gas |
| CN108922126A (en) * | 2018-07-06 | 2018-11-30 | 四川长虹电器股份有限公司 | A kind of natural gas leakage alarm system and alarm method |
| CN108922126B (en) * | 2018-07-06 | 2020-11-03 | 四川长虹电器股份有限公司 | Natural gas leakage alarm system and alarm method |
| CN115240373A (en) * | 2022-07-14 | 2022-10-25 | 中万恩科技有限公司 | Dish washer natural gas and combustible gas detection alarm method and device and electronic equipment |
| CN115240373B (en) * | 2022-07-14 | 2023-08-08 | 中万恩科技有限公司 | Natural gas and combustible gas detection alarm method and device for dish washer and electronic equipment |
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Application publication date: 20150311 |