CN108922086A - Security alarm and bootstrap technique - Google Patents
Security alarm and bootstrap technique Download PDFInfo
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- CN108922086A CN108922086A CN201810714511.8A CN201810714511A CN108922086A CN 108922086 A CN108922086 A CN 108922086A CN 201810714511 A CN201810714511 A CN 201810714511A CN 108922086 A CN108922086 A CN 108922086A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000001914 filtration Methods 0.000 claims abstract description 45
- 230000003287 optical effect Effects 0.000 claims abstract description 36
- 230000006698 induction Effects 0.000 claims abstract description 31
- 230000001939 inductive effect Effects 0.000 claims abstract description 11
- 238000012545 processing Methods 0.000 claims description 21
- 239000003086 colorant Substances 0.000 claims description 13
- 239000005357 flat glass Substances 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 6
- 101100269850 Caenorhabditis elegans mask-1 gene Proteins 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009738 saturating Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
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- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
- G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
- G08B7/062—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources indicating emergency exits
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/006—Indicators or warning devices, e.g. of low pressure, contamination
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- Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Abstract
The present invention relates to technical field of safety protection, in order to solve in existing safety alarm system, lead to congestion since the personnel of the same area are concentrated in an exit passageway when withdrawing to reduce the problem of withdrawing speed, provide a kind of security alarm and bootstrap technique, including alarming step and green indicating lamp directing step;Alarming step:When alert occurs, alert inductive signal is sent control module by the first induction module of alert sub-system, and the alarm module of control module control alert sub-system is alarmed;Wherein, green indicating lamp directing step is:When a certain second induction module of alert sub-system senses a certain exit passageway congestion, the congestion signal is sent to control module, the luminance adjustment module movement of control module control guidance subsystem, reduces the brightness of the green indicating lamp in the exit passageway by luminance adjustment module;The optical filtering part worn in guidance subsystem for personnel can mask the green indicating lamp other than particular color.
Description
Technical field
The present invention relates to technical field of safety protection, specially a kind of security alarm and bootstrap technique.
Background technique
Security protection, it can be understood as the initialism of " safety precaution ".So-called safety is exactly safe from danger, is not encroached on, does not go out
Accident;So-called prevention is exactly guarded against, is guarded, and guard against refer to get ready with deal with attack or avoid it is aggrieved, guard refer to it is anti-
Standby and protection.In summary it explains, can such as give a definition under safety precaution:Be ready and protect, with deal with attack or
Avoid it is aggrieved, thus make protected object be in be safe from danger, do not encroached on, not occurring the safe condition of accident.It is clear that
Safety is purpose, and prevention is means, achievees the purpose that or realize safety by the means of prevention, is exactly the substantially interior of safety precaution
Contain.
Mainly by front end wireless transmitting device, (alternatively referred to as alarm detection equipment, specifically may be used existing safety alarm system
For door sensor inductor, infrared inductor, microwave detector, ceiling type thermosonde, gas leakage detector, cigarette sense detection
Device, flash appeal button etc.) and radio receiver (such as controlling alarm host) composition, when alert occurs, front end is wirelessly sent out
It penetrates unit/device and sends alarm signal to radio receiving unit/equipment, radio receiving unit/equipment receives and according to the alarm
Signal does the processing of corresponding alert, such as automatic dialing preset number or communicates with alarm monitoring center.Such as occur in building
When fire, being mounted on the smokescope near fire location will become larger, and smoke alarm will be to controlling alarm host at this time
Alarm signal is sent, after receiving the alarm signal, the alarm that will be controlled in room sounds controlling alarm host, with logical
Know that the personnel in building withdraw from building in time.And during withdrawing, people are usually that basis is mounted on building everywhere
What emergency exit indicating lamp was withdrawn.
However, since people according to green indicating lamp when withdrawing, the personnel in a region are usually
It selects same exit passageway to be withdrawn, so, once the personnel in the region are more, is easy for exit passageway congestion occur
The case where, once and exit passageway has occurred congestion, personnel's withdraws speed and will reduce, so, in order to guarantee that personnel can
Safety is withdrawn, it is necessary to reduce exit passageway and the case where congestion occurs.
Summary of the invention
The invention is intended to provide a kind of security alarm and bootstrap technique, to solve in existing safety alarm system, due to
The personnel of the same area are concentrated in an exit passageway when withdrawing and lead to the exit passageway congestion to reduce
The problem of withdrawing speed.
The present invention provides base case:Security alarm and bootstrap technique, including alarming step and green indicating lamp guidance
Step;
Alarming step:When alert occurs, alert inductive signal is sent control by the first induction module of alert sub-system
The alarm module of molding block, control module control alert sub-system is alarmed;
Wherein, green indicating lamp directing step is:When a certain second induction module of alert sub-system senses a certain peace
When full tunnel congestion, which is sent to control module, the luminance adjustment module of control module control guidance subsystem
Movement, reduces the brightness of the green indicating lamp in the exit passageway by luminance adjustment module;Positioned at different exit passageways
Green indicating lamp is provided with different colours, guides the optical filtering part worn in subsystem for personnel can be by the safety other than particular color
Indicator light masks.
The working principle of base case is:When alert occurs, when fire occurs such as building, it is located at alert point
The first neighbouring induction module will send an alert inductive signal to control module, and control module is receiving the alert
After inductive signal, the alarm module that will control alert sub-system is alarmed, to notify personnel to withdraw building, Ren Yuanyan at once
The direction of green indicating lamp of guidance subsystem reach exit passageway, and withdraw from building from exit passageway;
In view of it is overstaffed in the same exit passageway when, will result in the exit passageway congestion, and the safety of congestion
Channel is unfavorable for withdrawing for personnel, and therefore, the guidance subsystem in this programme further includes having luminance adjustment module and optical filtering part,
Since the color of the green indicating lamp in exit passageways different in this programme is different, and optical filtering part can will be other than particular color
Green indicating lamp mask, if the color of the green indicating lamp in the first exit passageway is color a, in the second exit passageway
The color of green indicating lamp is color b, and the color of the green indicating lamp in third exit passageway is color c, and optical filtering part A can only be saturating
Color a is crossed, color b and color c will be shielded to by optical filtering part A at this time, and personnel cannot see after using optical filtering part A
Green indicating lamp in second exit passageway and third exit passageway, the safety that personnel can only see in the first exit passageway refer to
Show lamp, so the personnel using optical filtering part A just can only withdraw building along the first exit passageway, so, utilizes optical filtering part
Cooperation with the green indicating lamp of different colours is also achieved that the shunting to personnel;
And in above-mentioned evacuation process, when personnel's congestion in some exit passageway, at this time in the exit passageway
The second induction module will send congestion signal, and control module controls luminance adjustment module after receiving congestion signal
The brightness of green indicating lamp in the exit passageway is adjusted, the brightness of the green indicating lamp is reduced, it is logical safely with other
The green indicating lamp in road is compared, which is just not easy to be found, and so, the personnel withdrawn below will be along
The green indicating lamp for being directed toward other exit passageways moves ahead, and is also achieved that the second diffluence to personnel, avoids the exit passageway
Further congestion.
The beneficial effect of base case is:Compared with existing safety alarm system, in the present solution, by will not TongAn
The color of green indicating lamp in full tunnel is set as different colors, then the polarizing film of different colours is cooperated to realize to personnel's
It is primary to shunt, avoid personnel from all focusing in some region of exit passageway during withdrawing, further more, also using bright
Adjustment module and the realization of the second induction module are spent to the second diffluence of personnel, further avoid aggregation in a certain exit passageway
A large amount of personnel and lead to exit passageway congestion, to ensure that smoothly withdrawing for personnel.
Preferred embodiment one:As the preferred of basic scheme, in green indicating lamp directing step, optical filtering part is mounted on guidance
On the filtering type fire mask of system.Beneficial effect:Filtering type fire mask is wine as a kind of fire-fighting life-saving respirator facepieces
Fire incident occurs for shop, hotel, office building, market, bank, post and telecommunications, electric power, place of public amusement, factory, house, subway etc.
The personal protection respiratory protection equipment of Shi Bibei, and optical filtering part is mounted on filtering type fire mask, do not need personnel's list
Solely holding, facilitates the use of optical filtering part.
Preferred embodiment two:Preferably one it is preferred, control module also controls the peace after receiving congestion signal
The voice broadcast module in guidance subsystem in full tunnel broadcasts voice.Beneficial effect:After voice broadcast module is arranged, at certain
After one exit passageway congestion, control module can also control the casting voice of the voice broadcast module in the exit passageway, and personnel pass through
The voice of casting can learn the jam situation of the exit passageway, so that other exit passageway be selected to be withdrawn.
Preferred embodiment three:Preferably two it is preferred, the first induction module in alarming step is detected using cigarette sense
Device.Beneficial effect:It, can be in fire using smoke alarm as the first induction module since Initial Stage of Fire smog is larger
Early stage can sense that, so that fire early stage be looked for just to alarm, personnel also can recede from scene early.
Preferred embodiment four:Preferably three it is preferred, in green indicating lamp directing step, the transmission of congestion signal is walked
It suddenly is that the camera being mounted in exit passageway in the second induction module sends the image in collected exit passageway to
In two induction modules after processing unit, processing unit is handled the image received and is counted the number in image,
After number is greater than certain value, processing unit sends congestion signal to control module.Beneficial effect:Second induction module includes camera shooting
After head and processing unit, the figure in exit passageway is acquired by camera, processing unit is handled and united to image
Number to be counted out, after number is more than certain value, i.e., determines congestion in exit passageway at this time, processing unit sends congestion signal,
Control module, which then passes through luminance adjustment module, reduces the brightness of the green indicating lamp in the exit passageway, logical safely to avoid this
Jam situation is aggravated in road.
Preferred embodiment five:Preferably four it is preferred, optical filtering part in green indicating lamp directing step is band color
Sheet glass.Beneficial effect:The light of different colours is passing through colored sheet glass, the light of color identical with glass colour
Line can be directed through, and just can be filtered with the light of glass colour different colours, i.e., personnel by shading piece see with
When the green indicating lamp of shading piece different colours, the black seen at this time, to realize the peace other than particular color
The purpose that full indicator light masks.
Detailed description of the invention
Fig. 1 is the module frame chart of security alarm of the present invention and bootstrap technique guidance system used in the examples;
Fig. 2 is the schematic diagram of security alarm of the present invention and bootstrap technique filtering type fire mask used in the examples.
Specific embodiment
Below by the further details of explanation of specific embodiment:
Appended drawing reference in Figure of description includes:Filtering type fire mask 1, optical filtering part 2.
Security alarm and bootstrap technique, as shown in Figure 1, the guidance system used includes alert sub-system, guidance subsystem
And control module, guidance subsystem alert sub-system include the first induction module, the second induction module and alarm module, guidance
System includes green indicating lamp, luminance adjustment module, filtering type fire mask 1, the optical filtering part 2 and voice broadcast worn for personnel
Module, optical filtering part 2 are mounted on filtering type fire mask 1, as shown in Fig. 2, the first induction module is by alert when alert occurs
Inductive signal is sent to control module, and control module control alarm module is alarmed, when a certain second induction module senses
When a certain exit passageway congestion, which is sent to control module, control module controls luminance adjustment module movement, leads to
Crossing luminance adjustment module reduces the brightness of the green indicating lamp in the exit passageway, while control module can also control the safety
Voice broadcast module in channel broadcasts voice;The green indicating lamp of different exit passageways is provided with different colours, filters
Part 2 can mask the green indicating lamp other than particular color, and in the present embodiment, optical filtering part 2 is with coloured sheet glass;
Specifically, the second induction module includes the camera being mounted in exit passageway and communicates to connect with camera
Processing unit, after camera sends the image in collected exit passageway to processing unit, processing unit is to receiving
Image is handled and is counted the number in image, and after number is greater than certain value, processing unit is gathered around to control module transmission
Stifled signal can store number threshold value in processing unit in advance, be greater than in the number counted for the judgement of number congestion
After number threshold value, processing unit sends congestion signal to control module.
Security alarm and bootstrap technique, including alarming step and green indicating lamp directing step;
Alarming step:When alert occurs, alert inductive signal is sent control module by the first induction module, controls mould
Block control alarm module is alarmed;The first induction module uses smoke alarm in the present embodiment;
Wherein, green indicating lamp directing step is:When a certain second induction module senses a certain exit passageway congestion,
The congestion signal is sent to control module, specifically, the camera being mounted in exit passageway in the second induction module will be adopted
The image in exit passageway collected is sent in the second induction module after processing unit, processing unit to the image received into
Row handles and counts the number in image, and after number is greater than certain value, processing unit sends congestion signal to control module
Control module;
Luminance adjustment module movement is controlled, the brightness of the green indicating lamp in the exit passageway is made by luminance adjustment module
It reduces;Green indicating lamp positioned at different exit passageways is provided with different colours, and the optical filtering part worn for personnel can be by specific face
Green indicating lamp other than color masks, and optical filtering part is colored sheet glass, and above-mentioned optical filtering part is mounted on filtering type fire-fighting
On mask, control module also controls the voice broadcast module casting voice in the exit passageway after receiving congestion signal.
When alert occurs, when fire occurs such as building, the first induction module near alert point is just
An alert inductive signal can be sent to control module, and control module will control after receiving the alert inductive signal
The alarm module of alert sub-system is alarmed, and to notify personnel to withdraw building at once, personnel are along the safety for guiding subsystem
The direction of indicator light reaches exit passageway, and withdraws from building from exit passageway;
In view of it is overstaffed in the same exit passageway when, will result in the exit passageway congestion, and the safety of congestion
Channel is unfavorable for withdrawing for personnel, and therefore, the guidance subsystem in this programme further includes having luminance adjustment module and optical filtering part,
Since the color of the green indicating lamp in exit passageways different in this programme is different, and optical filtering part can will be other than particular color
Green indicating lamp mask, if the color of the green indicating lamp in the first exit passageway is color a, in the second exit passageway
The color of green indicating lamp is color b, and the color of the green indicating lamp in third exit passageway is color c, and optical filtering part A can only be saturating
Color a is crossed, color b and color c will be shielded to by optical filtering part A at this time, and personnel cannot see after using optical filtering part A
Green indicating lamp in second exit passageway and third exit passageway, the safety that personnel can only see in the first exit passageway refer to
Show lamp, so the personnel using optical filtering part A just can only withdraw building along the first exit passageway, so, utilizes optical filtering part
Cooperation with the green indicating lamp of different colours is also achieved that the shunting to personnel;
And in above-mentioned evacuation process, when personnel's congestion in some exit passageway, at this time in the exit passageway
The second induction module will send congestion signal, and control module controls luminance adjustment module after receiving congestion signal
The brightness of green indicating lamp in the exit passageway is adjusted, the brightness of the green indicating lamp is reduced, it is logical safely with other
The green indicating lamp in road is compared, which is just not easy to be found, and so, the personnel withdrawn below will be along
The green indicating lamp for being directed toward other exit passageways moves ahead, and is also achieved that the second diffluence to personnel, avoids the exit passageway
Further congestion.
When alert occurs, when fire occurs such as building, the first induction module near alert point is just
An alert inductive signal can be sent to control module, and control module will control after receiving the alert inductive signal
The alarm module of alert sub-system is alarmed, and to notify personnel to withdraw building at once, personnel are along the safety for guiding subsystem
The direction of indicator light reaches exit passageway, and withdraws from building from exit passageway;Since Initial Stage of Fire smog is larger, this implementation
Using smoke alarm as the first induction module in example, can be sensed in fire early stage, thus look for fire early stage just into
Row alarm, personnel also can recede from scene early.
In view of it is overstaffed in the same exit passageway when, will result in the exit passageway congestion, and the safety of congestion
Channel is unfavorable for withdrawing for personnel, and therefore, the color of the green indicating lamp in the present embodiment in different exit passageways is different
, if the color of the green indicating lamp in the first exit passageway is color a, the color of the green indicating lamp in the second exit passageway
For color b, the color of the green indicating lamp in third exit passageway is color c, can be seen using the personnel of different optical filtering parts 2
Color a can only be penetrated to the green indicating lamp of different colours, such as optical filtering part 2A, color b and color c will be by optical filtering part 2A at this time
It is shielded to, personnel cannot see the safety in the second exit passageway and third exit passageway after using optical filtering part 2A
Indicator light, personnel can only see the green indicating lamp in the first exit passageway, so the personnel using optical filtering part 2A just can only edge
The first exit passageway withdraw building, it is so, also just real using the cooperation of optical filtering part 2 and the green indicating lamp of different colours
The shunting to personnel is showed;
And in entire evacuation process, when personnel's congestion in some exit passageway, at this time in the exit passageway
Second induction module will send congestion signal, and control module controls luminance adjustment module pair after receiving congestion signal
The brightness of green indicating lamp in the exit passageway is adjusted, and reduces the brightness of the green indicating lamp, with other exit passageways
Green indicating lamp compare, which is just not easy to be found, and so, the personnel withdrawn below will be along finger
To the green indicating lamp of other exit passageways move ahead, be also achieved that the second diffluence to personnel, avoid the exit passageway into
One step congestion;Further more, the camera in exit passageway can acquire the image in exit passageway, processing unit handles image
And number is counted, after number is more than certain value, i.e., congestion in exit passageway is determined at this time, processing unit sends congestion letter
Number, control module, which then passes through luminance adjustment module, reduces the brightness of the green indicating lamp in the exit passageway, to avoid the peace
Jam situation is aggravated in full tunnel, and identification process therein has moved to the demographics based on image, and common method includes:
1) video captures;2) Objective extraction (background modeling, Analysis on Prospect) --- common methods have Gaussian Background modeling, frame difference method, three
Frame difference method etc.;3) target identification (pattern-recognition, characteristic point analysis), such as recognition of face, head and shoulder portion identification etc. can be in OpenCV
Feature detection is carried out using Hear feature, cascade classifier;4) target following --- basic skills has histogram feature matching
It is matched with moving target continuity, CamShift algorithm can be used in OpenCV, directly color image is analyzed;5) rail
Mark analysis --- according to the moving track calculation target direction of motion of target and displacement, judge that target enters or leaves specified
Region belongs to the prior art, is not described in the present embodiment to carry out number statistical to target.Language in the present embodiment
Sound broadcasting module uses electronic horn, and alarm module uses buzzer.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and have using routine experiment hand before the date
The ability of section, one skilled in the art can improve and be implemented in conjunction with self-ability under the enlightenment that the application provides
This programme, some typical known features or known method should not become one skilled in the art and implement the application
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Several modifications and improvements out, these also should be considered as protection scope of the present invention, these all will not influence the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (6)
1. security alarm and bootstrap technique, including alarming step and green indicating lamp directing step;
Alarming step:When alert occurs, alert inductive signal is sent control mould by the first induction module of alert sub-system
The alarm module of block, control module control alert sub-system is alarmed;
It is characterized in that:The green indicating lamp directing step is:When a certain second induction module of alert sub-system senses
When a certain exit passageway congestion, which is sent to control module, the brightness tune of control module control guidance subsystem
Module action is saved, reduces the brightness of the green indicating lamp in the exit passageway by luminance adjustment module;Positioned at difference
The green indicating lamp of exit passageway is provided with different colours, guides the optical filtering part worn in subsystem for personnel can be by particular color
Green indicating lamp in addition masks.
2. security alarm according to claim 1 and bootstrap technique, it is characterised in that:The green indicating lamp directing step
In, optical filtering part is mounted on the filtering type fire mask of guidance subsystem.
3. security alarm according to claim 1 and bootstrap technique, it is characterised in that:The control module is gathered around receiving
After stifled signal, the voice broadcast module casting voice in the guidance subsystem in the exit passageway is also controlled.
4. security alarm according to claim 1 and bootstrap technique, it is characterised in that:The first sense in the alarming step
Answer module using smoke alarm.
5. security alarm according to claim 1 and bootstrap technique, it is characterised in that:The green indicating lamp directing step
In, the sending step of congestion signal is the camera that is mounted in exit passageway in the second induction module by collected safety
Image in channel is sent in the second induction module after processing unit, and processing unit is handled and united to the image received
The number in image is counted out, after number is greater than certain value, processing unit sends congestion signal to control module.
6. security alarm according to claim 1 and bootstrap technique, it is characterised in that:The green indicating lamp directing step
In optical filtering part be colored sheet glass.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109872348A (en) * | 2018-12-29 | 2019-06-11 | 湖南汇博电子科技股份有限公司 | Indicate lamp control method, device, readable storage medium storing program for executing and controlling terminal |
CN113192287A (en) * | 2021-03-25 | 2021-07-30 | 浙江台谊消防设备有限公司 | Emergency evacuation method and system for urban gathering event |
CN113194581A (en) * | 2021-02-06 | 2021-07-30 | 济南职业学院 | Control method of multifunctional lighting system for park |
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