A kind of smog coal gas detection method and detection system
Technical field
The present invention relates to safety fire fighting technical field more particularly to a kind of smog coal gas detection methods and detection system.
Background technique
Fire incident is frequently experienced in house, workshop, traffic and crowded place, and injures and deaths it is bigger fire it is past
Toward occur at night, in addition coal gas, combustion gas leakage also greatly threaten the property life security of people.When fire, combustion gas
Leakage can not early warning and when fleeing from, it will causes serious loss to people.
Fire preventing, prevention coal gas gas leakage how are gone, reduces fire or gas leakage to the lives and properties of people
Caused by loss be today's society hot issue urgently to be resolved, in the prior art usually use indoor smog and fuel gas report
Alert device is detected and is alarmed to fire hazard aerosol fog and gas leakage.
Currently, common indoor smog and flammable gas alarm generally use buzzing or light warning, Xi'an science and technology is big
It is CN204680148, the Chinese utility model patent document that publication date is on 09 30th, 2015, this article that disclose notification number
It offers and is related to a kind of detection of indoor smog and alarm escape device, the technical solution are characterized in that: indoors including multiple layings
Everywhere for the temperature sensor of temperature data in collection room, it is multiple be laid in it is throughout the room for smokescope number in collection room
According to the simultaneously smokescope detection module of signal amplification and for the data monitoring terminal of data conditioning and wireless data transmission, data
Monitoring terminal includes the key-press input electricity of shell, the electronic circuit board being laid in the shell and installation on the housing
Road and sound light alarming circuit.
But will receive a certain range of territory restriction only with sound-light alarm, if responsible person not near dangerous situation,
Alarm buzzing or light warning can not be received, dangerous situation can not be found by personnel in time, cause tragedy.Secondly, common at present
Smoke sensor device, gas security cannot uploading detection data in real time, be unfavorable for carrying out depth analysis to detection data, to inspection
The subsequent processing of measured data is also unsatisfactory for the demand of people instantly, and can only realize Smoke Detection alarm or coal gas detection report
Alert, function is relatively simple.Finally, accident occurrence cause, place and time cannot be timely and accurately found after the accident, after giving
Continuous security against fire improvement brings difficulty.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of smog coal gas detection method and detection systems
System, solves defect existing for existing smog coal gas detection method and system.
The purpose of the present invention is achieved through the following technical solutions: a kind of smog coal gas detection method, including following
Content:
Data acquisition testing step: detection device real-time detection smog gas concentration and being sent to is equipped with alarm APP journey
The intelligent mobile terminal of sequence;
Comparison judgment step: the smog gas concentration value of detection is compared with preset smokescope gas values and is sentenced
It is disconnected;
Alarming step: according to comparison judging result by alarm APP program make intelligent mobile terminal carry out vibration alarming with/
Or audible alarm and detection device control issue alarm;
Emergent management step: dangerous situation emergent management is carried out according to the result of the judgment step and the alarming step;
Data store uploading step: the alert data that dangerous situation occurs being stored and uploads to cloud platform.
Further, the comparison judgment step includes the following contents:
Judge whether the smokescope value of detection is greater than preset first smokescope value C1, and the gas concentration value of detection
Whether preset first gas concentration value C2 is greater than;
Judge whether the smokescope value of detection is greater than preset second smokescope value C3, and the gas concentration value of detection
Whether preset second gas concentration value C4 is greater than.
Further, the alarming step includes the following contents:
When detecting that smokescope value is greater than C1 and/or detects that gas concentration value is greater than C2, alarm APP program is opened
It is dynamic, so that intelligent mobile terminal is carried out vibration alarming and/or audible alarm by APP program of alarming, detection device control issues report
It is alert, and detect the distance between intelligent mobile terminal and detection device;
When the distance between intelligent mobile terminal and detection device are less than pre-determined distance, by alarming, APP program makes intelligence
Energy mobile terminal carries out the vibration alarming of N overtones band and/or the audible alarm of N times of volume, and detection device control issues N dual intensity
Alarm, for reminding dangerous situation in front of user.
Further, it also needs to carry out reset initialization to detection device before carrying out the data acquisition testing step
Operation, prevents wrong report of the detection device to smog gas concentration.
Further, carrying out urgent dangerous situation processing according to the result of the judgment step includes the following contents:
When detecting that smokescope value is greater than C3 and/or detects that gas concentration value is greater than C4, detection device control is cut
Power-off source, control closing gas valve and control are opend the window;
And it controls the photographic device connecting with detection device and video data acquiring record is carried out to dangerous situation.
Further, carrying out urgent dangerous situation processing according to the result of the alarming step includes the following contents:
If user is not detected in detection device and intelligent mobile terminal in the preset time after alarm APP program starting
When touch or actuation of keys, start advising process;
After starting advising process, detection device sends preset alarm message information to multiple users.
Further, carrying out urgent dangerous situation processing according to the result of the alarming step further includes when detection device detects
Have life entity in pre-determined distance, and detection device and intelligent mobile terminal do not detect within a preset time user touch or
When person's actuation of keys, automatic dialing alarm call.
Further, data storage and uploading step include the following contents:
When detecting that smokescope value is greater than C1 and/or detects that gas concentration value is greater than C2, detection device is to smog
Concentration, gas concentration numerical value, alert locations information and time of fire alarming information carry out record storage;
And smokescope, gas concentration numerical value, alert locations information and time of fire alarming information are uploaded into cloud platform.
A kind of detection system based on smog coal gas detection method, including cloud platform, power supply, be equipped with alarm APP program
Intelligent mobile terminal, detection device and peripheral linkage;
The detection device is for real-time detection smog gas concentration and is sent to the intelligence for being equipped with alarm APP program
Energy mobile terminal, and alarmed and controlled the peripheral linkage when dangerous situation occurs and carry out emergent management, and to danger
Feelings alert data is stored and is uploaded to the cloud platform;
The intelligent mobile terminal for being equipped with alarm APP program is used in received smog gas concentration be more than preset value
When by vibration alarming and/or audible alarm, realize the prompting to user's dangerous situation;
The periphery linkage is used to be realized according to the control of the detection device and opens vent window, cut off the power, close
It closes gas valve and opens the emergent management of spray system;
The cloud platform with management of fire safety mechanism for connecting, so that dangerous situation report is checked by management of fire safety mechanism
Reply and processing are made in time after alert data;
The power supply is used to provide power supply for the detection device and the peripheral linkage.
Further, the detection device includes Smoke Detection module, coal gas detection module, signal amplifier, filtering
Device, A/D module, SMS transmission module, processor, wireless module, life detection module, locating module, memory module, driving mould
Block and key module;
The Smoke Detection module and coal gas detection module are connect with the signal amplifier, the signal amplifier and institute
Filter module connection is stated, the filter module is connect with the A/D module;
The control program that step in the processor in burned with good grounds smog coal gas detection method is controlled, and with
It the wireless module, life detection module, locating module, SMS transmission module, memory module, drive module, A/D module and presses
The connection of key module.
The beneficial effects of the present invention are: smog coal gas detection method and detection device use wireless transmission, while cooperating report
Alert APP and smart phone carry out interlink warning, can timely receive dangerous situation warning message, additionally it is possible to real-time uploading detection data
To cloud platform, be conducive to carry out depth analysis to detection data, people's instantly can satisfy to the subsequent processing of detection data
Demand;Smog coal gas detection method and detection device are integrated with the detection function of smog and combustion gas simultaneously, and function is realized powerful;Cigarette
Mist coal gas detection method and detection device carry out intelligent control by pre-set control programs, can accurate judgement security against fire whether
Occur, takes respective handling measure in time, do not need human intervention;When smog or gas leakage occurs, it is able to carry out intelligence
Investigation accident analyzes smog or gas leakage occurrence cause, smog or gas concentration when recording smog or gas leakage, place and
The information such as time, to provide foundation to subsequent security against fire improvement.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is traditional smoke alarm unit structural schematic diagram;
Fig. 2 is the composition block diagram of present system;
Fig. 3 is the flow chart of the method for the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "inner", "outside" or position are closed
System for be based on the orientation or positional relationship shown in the drawings or the invention product using when the orientation usually put or position close
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects;It can be mechanical connection, be also possible to be electrically connected;It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the present invention.
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, traditional smoke alarm and fuel gas alarm, usually to alarm region in a manner of sound, light sound equipment
Alarm of fire signal is issued, to warn people to take safe escape, fire extinguishing Disaster Relief Measures, but is alarmed by a certain range ofly
Domain limitation, if responsible person not near dangerous situation, can not receive alarm buzzing or light warning, dangerous situation can not quilt in time
Personnel's discovery, causes tragedy.Moreover, smoke sensor device, gas security cannot uploading detection data in real time, be unfavorable for detection
Data carry out depth analysis, the demand of people instantly are also unsatisfactory for the subsequent processing of detection data, and can only realize smog
Detection alarm or coal gas detection alarm, function are relatively simple.Finally, cannot timely and accurately find accident after the accident
Reason, place and time bring difficulty to subsequent security against fire improvement.
How a kind of smog combustion that can timely receive dangerous situation warning message, intelligent control, intelligence investigation accident is provided
Gas detection method and detection device are the purpose of the present invention.
Embodiment 1
As shown in Fig. 2, a kind of detection system based on smog coal gas detection method, including cloud platform, power supply, report is installed
Intelligent mobile terminal, detection device and the peripheral linkage of alert APP program;
Wherein, intelligent mobile terminal includes smart phone, IPAD, installation alarm APP program can be achieved and provides vibration report
Other alert and/or audible alarm handheld terminals;Intelligent mobile terminal is preferably smart phone.
Detection device is used for real-time detection smog gas concentration and is sent to the smart phone for being equipped with alarm APP program,
And alarmed and controlled the peripheral linkage when dangerous situation occurs and carry out emergent management, and to dangerous situation alert data into
Row stores and uploads to cloud platform;
The smart phone for being equipped with alarm APP program is used to pass through vibration when received smog gas concentration is more than preset value
Dynamic alarm and/or audible alarm, realize the prompting to user's dangerous situation;
Peripheral linkage is used to be realized according to the control of the detection device and opens vent window, cut off the power, close combustion
Air valve and the emergent management for opening spray system;
Cloud platform with management of fire safety mechanism for connecting, so that dangerous situation alarm number is checked by management of fire safety mechanism
Reply and processing are made in time according to rear;Smog coal gas detection device can also control photographic device nearby and carry out video note simultaneously
The reason of record, transfers video recording to facilitate in the future, and analysis security against fire accident occurs, in order to the improvement of security against fire in the future.
Power supply is used to provide power supply for the detection device and the peripheral linkage.
Further, peripheral linkage includes the motor for being used to open vent window, the relay for cutting off the power, uses
Spray is realized in the solenoid valve of closing gas valve, the combined aural and visual alarm for issuing alarm and for linking with detection device
Spray system.
Further, power supply includes battery and alternating current, and the dual power supply management of battery and alternating current can guarantee that smog combustion gas is examined
Survey device uninterrupted power for continuous operation, while external relay, solenoid valve, motor and acoustic-optic alarm (buzzer and flashing
Lamp), alternating current can be used, to complete the control command of processor sending, completes power cut-off, valve gas valve is closed, control
Motor carries out the movement such as open a window.
Further, detection device include MQ-2 smoke detector, MQ-9 gas detectors, signal amplifier, filter,
A/D module, SIM900A SMS transmission module, single-chip microcontroller, bluetooth or WiFi module, infrared life detectors, GPS positioning module,
ID storage card, drive module, reset and switch key;
MQ-2 smoke detector and MQ-9 gas detectors are connect with signal amplifier, and signal amplifier and filter module connect
It connects, filter module is connect with A/D module;What the step in single-chip microcontroller in burned with good grounds smog coal gas detection method was controlled
Control program, and with bluetooth or WiFi module, infrared life detectors, GPS positioning module, SIM900A SMS transmission module, ID
Storage card, drive module, A/D module, reset are connected with switch key.
The signal that MQ-2 smoke detector and MQ-9 gas detectors detect is faint small signal, is needed by amplification
With the manageable digital signal of single-chip microcontroller is converted analog signals into after filtering processing again.
Drive module connect with relay, solenoid valve, motor and combined aural and visual alarm and then realizes cutting, the combustion gas to power supply
The closing of valve, the alarm of the opening of louver(-vre) and acousto-optic;And smog coal gas detection device can be with traditional smoke alarm one
Sample and automatic sprinkler fire-extinguishing system link, when detecting that serious security against fire accident occurs, such as fire, can timely it start
Automatic sprinkler fire-extinguishing system carries out fire-extinguishing operations, guarantees the property life security of people.
Further, it is coated with fire proofing material on ID storage card, is provided with flameproof enclosure outside ID storage card, for serious when occurring
Security against fire accident when, guarantee safety accident will not be corrupted to unit records smokescope or gas concentration, position,
The data informations such as time.
Embodiment 2
As shown in figure 3, a kind of smog coal gas detection method, including the following contents:
S1, data acquisition testing step: detection device real-time detection smog gas concentration and being sent to is equipped with alarm APP
The intelligent mobile terminal of program;
S2, comparison judgment step: the smog gas concentration value and preset smokescope gas values of detection are compared
Judgement;
S3, alarming step: intelligent mobile terminal is made to carry out vibration alarming by APP program of alarming according to comparison judging result
And/or audible alarm and detection device control issue alarm;
S4, emergent management step: dangerous situation emergent management is carried out according to the result of the judgment step and the alarming step;
S5, data store uploading step: the alert data that dangerous situation occurs being stored and uploads to cloud platform.
Further, it includes the following contents that S2, which compares judgment step:
S21, judge whether the smokescope value of detection is greater than preset first smokescope value C1, and the combustion gas of detection is dense
Whether angle value is greater than preset first gas concentration value C2;
S22, judge whether the smokescope value of detection is greater than preset second smokescope value C3, and the combustion gas of detection is dense
Whether angle value is greater than preset second gas concentration value C4.
Real-time detection smog and gas concentration send real-time detection numerical value to by wireless module the alarm of smart phone
APP is shown, when detecting that smokescope is more than C1 or detects that gas concentration is more than C2, starts alert program;It detects respectively
Smokescope and gas concentration, one of them dangerous situation is all extremely dangerous, by real-time detection to smokescope and gas concentration lead to
It crosses wireless module and is sent to the alarm APP of smart phone and show that user can observe smokescope and gas concentration value in real time,
When concentration is more than preset smokescope C1 or gas concentration C2, start alert program at once.
Further, S3 alarming step includes the following contents:
S31, when detect smokescope value be greater than C1 and/or detect gas concentration value be greater than C2 when, alarm APP program
Starting makes intelligent mobile terminal carry out vibration alarming and/or audible alarm by APP program of alarming, and detection device control issues
Alarm, and detect the distance between intelligent mobile terminal and detection device;
At this point, vibration alarming and/or audible alarm be vibration alarming when smart phone normal frequency is vibrated and intelligence this
When smart phone setting volume volume audible alarm.
S32, when the distance between intelligent mobile terminal and detection device be less than pre-determined distance when, pass through alarm APP program
Intelligent mobile terminal is set to carry out the vibration alarming of N overtones band and/or the audible alarm of N times of volume, detection device control issues N times
The alarm of intensity, for reminding dangerous situation in front of user.
Wherein, the value of N be 1~3 times, it is preferable that N be 3 times, pre-determined distance be less than 10m in the range of;Smog combustion gas
Alarm APP in detection device and smart phone detects mutual distance and position, when in smog coal gas detection device and smart phone
Alarm APP between mutual distance position less than 10 meters when, smog coal gas detection device and client end AP P carry out 3 times of rates
Vibration and audible alarm, for reminding dangerous situation in front of user;Sometimes user does not receive warning message from alarm APP, when
User enters danger area rashly, can seriously threaten the person and property safety of user, it is necessary to logical with fiercer type of alarm
Know user, by calculating repeatedly and experiment obtains, is alarmed with the vibration of usual 3 times of rates and sound, user can feel
The fierceness for feeling alarm is alarmed with the vibration and sound for being lower than usual 3 times of rates, and user feels less, with higher than usual 3
The vibration of times rate and sound are alarmed, and general vibration and sound generating apparatus are not achieved.
After alert program starting, smog coal gas detection device carries out sound-light alarm, controls smart phone with alarm APP
Carry out vibration alarming and/or audible alarm;Smog coal gas detection device can use common sound-light alarm, including buzzer and
Flashing lamp is alarmed, and can also receive vibration and audible alarm by wireless client end AP P.
Further, it also needs to carry out reset initialization to detection device before carrying out the data acquisition testing step
Operation starts smog coal gas detection device, initializes Smoke Detection module, coal gas detection module, power supply, wireless module, GSM/
GPRS module, processor, GPS, infrared module, memory module, relay, solenoid valve, motor and client end AP P;First start cigarette
Mist coal gas detection device, so that smog coal gas detection device correlation module is initialized, Smoke Detection module and coal gas detection
Module is more sensitive, and the smog coal gas detection device of initialization can reduce wrong report phenomenon;Smog coal gas detection device and installation
There is the smart phone of alarm APP program is logical can be resetted, after possible safety accident is disposed, user be can choose
One of them is resetted.
Further, carrying out urgent dangerous situation processing according to the result of the judgment step includes the following contents:
A1, when detect smokescope value be greater than C3 and/or detect gas concentration value be greater than C4 when, detection device control
It cuts off the power, control closing gas valve and control is opend the window;
When detecting that smokescope is more than C3 and/or detects that gas concentration is more than C4, smog coal gas detection device control
Relay processed carries out power cut-off and control solenoid valve closing gas valve;When the leakage of smog or combustion gas is too big, it may occur that explosion
Danger, smog coal gas detection device can control relay carry out power cut-off and control solenoid valve closing gas valve, cutting
Dangerous source;After power cut-off and closing gas valve are closed, smog coal gas detection device control motor opens a window;Cutting danger
After dangerous source, windowing ventilation is carried out, the concentration of smog or combustion gas is allowed to lower.
A2 simultaneously controls the photographic device connecting with detection device to dangerous situation progress video data acquiring record.
Further, carrying out urgent dangerous situation processing according to the result of the alarming step includes the following contents:
B1, alarm APP program starting after preset time in if detection device and intelligent mobile terminal are not detected
When user's touch or actuation of keys, start advising process;
Preferably, preset time is 11s~25s, the alarm APP of smog coal gas detection device and smart phone 11s~
When user's touch or actuation of keys being not detected in the 25s time, start advising process;It is by anti-that time, which is set as 11s~25s,
Multiple to calculate and experiment is drawn, people's least physiological reaction time will be more than 0.1s, people open alarm APP and touch or
Actuation of keys at least needs 1s, and the speed of normal person's walking is 1m/s, and the elderly will spend 2 times of normal person of travel time, and 10 meters
May require that the 20s time apart from the elderly;Moreover, it is contemplated that there is Caton phenomenon to user client sometimes, can first abandon alarming
APP touch key-press acts, then the process of reset key operation is carried out on smog coal gas detection device, is set as having for 25 seconds abundant
The relevant operation of time progress smog coal gas detection device and client.It can however not since it is desired that plenty of time choosing enough
Surely it is greater than 25 seconds and just starts advising process, because smog or combustion gas have been detected by leakage, it is necessary to handles at once, time longer danger
Danger is bigger;The 25 second time of starting advising process can turn down according to the actual situation, can also be in the more occasion of dangerous material
11 seconds just starting advising processes are adjusted to, cannot be that user takes the time for acting and at least needing less than 11 seconds, 11 seconds.
After B2, starting advising process, detection device sends preset alarm message information to multiple users.
Preferably, after advising process starting, smog coal gas detection device can at least be preset short to 10 users' transmissions
Believe content;After advising process starting, relevant person in charge must be on the scene at once and be handled, and smog coal gas detection device is extremely
Preset SMS content can be sent to 10 users less, short message content is pre-set, and advising process one starts, smog combustion
Gas detection device can at least be sent at once to 10 users.
Further, carrying out urgent dangerous situation processing according to the result of the alarming step further includes when detection device detects
Have life entity in pre-determined distance, and detection device and intelligent mobile terminal do not detect within a preset time user touch or
When person's actuation of keys, the alarm call of automatic dialing 119 and 120.
When detecting that smokescope is more than C1 and/or detects that gas concentration is more than C2, while detecting smog combustion gas inspection
Whether have life entity, especially detect people if surveying in 10 meters of device;Smog coal gas detection device detects in 10 meters whether have life
The leakage of body, smog or combustion gas influences whether the normal activity of life entity.
When smog coal gas detection device detects in 10 meters there is life entity, people is especially detected, and smog combustion gas is examined
When user's touch or actuation of keys was not detected in survey device and alarm APP within 11 second time, the phone of automatic dialing 120 and 119;
When having detected life entity activity, smokescope is more than C3 and/or when gas concentration is more than C4, i.e., when concentration is higher, does not also have
It, i.e., must it is possible that serious accident has occurred in the smog of high concentration or combustion gas when detecting user's touch or actuation of keys
Palpus horse back automatic dialing 120 and 119 phones are rescued.
Further, the storage of S5 data and uploading step include the following contents:
S51, when detect smokescope value be greater than C1 and/or detect gas concentration value be greater than C2 when, detection device pair
Smokescope, gas concentration numerical value, alert locations information and time of fire alarming information carry out record storage;
When detecting that smokescope is more than C1 and/or detects that gas concentration is more than C2, while smog coal gas detection fills
Storage card in setting carries out smokescope or gas concentration records of values;When detecting that smokescope is more than C1 and/or detects
When gas concentration is more than C2, alert program is had been started up, while smokescope or gas concentration being recorded, can also be real-time
It is sent to alarm APP to be recorded, has wireless receiving link since alarm APP record is intermediate, so smog coal gas detection device
In storage card and alarm APP simultaneously when recording, the record value for the storage card being subject in smog coal gas detection device.Meanwhile
Unit records location information and temporal information in smog coal gas detection device;Storage list in smog coal gas detection device
Member not only records smokescope or gas concentration, will also record smog coal gas detection device present position and smokescope or combustion gas
The corresponding temporal information of concentration.
Smokescope, gas concentration numerical value, alert locations information and time of fire alarming information are simultaneously uploaded to cloud platform by S52.
While smog coal gas detection device records data, smog gas alarm information is uploaded into cloud platform, while cigarette
Mist coal gas detection device controls photographic device nearby and carries out videograph;Smog coal gas detection device by the smokescope of record or
Gas concentration, position, temporal information upload to cloud platform, and cloud platform can be connect with local management of fire safety mechanism, so as to
It checks, handle and copes in time in security against fire responsible person, while smog coal gas detection device can also control camera shooting dress nearby
Carry out videograph is set, transfers video recording in the future to facilitate, analyzes the reason of security against fire accident occurs, in order to the peace of fire-fighting in the future
Full improvement.
Preferably, smokescope C1 value range is 0.7%obs/m~15%obs/m, and gas concentration C2 value range is
1%LEL~40%LEL, smokescope C1 and gas concentration C2 can be preset.Different from the smokescope C1 generally used
Value range 5%obs/m~15%obs/m and gas concentration C2 value range are 5%LEL~40%LEL, and C1 value range is
0.7%obs/m~15%obs/m and C2 value range are that 1%LEL~40%LEL is by calculating repeatedly and experiment is drawn
, early stage security against fire accident may occur, smokescope is 0.7%obs/m or gas concentration C2 is that 1%LEL is just answered
The monitored system monitoring arrives, and strives for more times for subsequent accident treatment.
Preferably, smokescope C3 value range is 5%obs/m~15%obs/m, and gas concentration C4 value range is
5%LEL~40%LEL, smokescope C3 and gas concentration C4 can be preset.When C3 value range be 5%obs/m~
When 15%obs/m and C4 value range is 5%LEL~40%LEL, shows that the generation of security against fire accident may have occurred and that, need
Processing movement that will be more urgent, while smog coal gas detection device can also take fiercer alerting pattern or take and rescue
Help movement.
The foregoing is merely the present invention/invention embodiments, are not intended to limit the present invention/invention the scope of the patents, all
It is directly or indirectly to be transported using equivalent structure or equivalent flow shift made by the present invention/description of the invention and accompanying drawing content
It similarly include in the present invention/invention scope of patent protection used in other related technical areas.