CN105225378B - Acousto-optic Multi-information acquisition guidance system and method in building - Google Patents
Acousto-optic Multi-information acquisition guidance system and method in building Download PDFInfo
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- CN105225378B CN105225378B CN201510745825.0A CN201510745825A CN105225378B CN 105225378 B CN105225378 B CN 105225378B CN 201510745825 A CN201510745825 A CN 201510745825A CN 105225378 B CN105225378 B CN 105225378B
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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
- G08B7/066—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 guiding along a path, e.g. evacuation path lighting strip
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Abstract
Acousto-optic Multi-information acquisition guidance system and method in a kind of building of the invention, belong to building emergency evacuation technical field, by specifically cooperateing with beep pattern and light indicating mode, in case of emergency help desk personnel's present invention escapes, and three kinds of collaboration beep patterns are by increasing white noise pulse duty factor, startup time interval sets and improved the direction that intensity of phonation makes evacuation personnel further confirm that extra exit；The indicating mode merged using acousto-optic, compensate for the limitation that light configured information is easily blocked and failed, so as to help people in case of emergency more fast and accurately to find extra exit.
Description
Technical field
The invention belongs to build emergency evacuation technical field, and in particular to acousto-optic Multi-information acquisition is oriented to system in one kind building
System and method.
Background technology
With the quickening of Urbanization in China, city is available for construction to be becoming tight soil day, occurs numerous high-rise multiple
Miscellaneous building, this kind of building has the characteristics of spatial complex, longitudinal Travel distance is long, once the emergencies such as fire, personnel occur
Evacuate and rescue and be extremely difficult；
The dynamic evacuation route instruction of existing intelligent emergent evacuation indication system considers fire and position occurs, with away from fire
The safe and reasonable rapid evacuation of calamity is directed to core concept, and safe escape level has very important meaning during to building fire
Justice.But limitation in itself be present in the sign for safe evacuation based on light configured information, such as in the places such as market, supermarket, exit signs
Mark is usually submerged in numerous billboards, notice board and other advertising map versions；In addition, during fire, Evacuation Indicatory Sign
Often due to the presence of flue gas and stopped, hinder people escape；
Sound guidance technology is a relatively new technology, and this technology forms Dispersal Line using specific beep pattern
The guide on road, help people to find nearest extra exit, building is fled within the time as short as possible, this method is in sight
It is especially effective when bad；
Have there are sound guidance technical products in foreign countries, but sound guidance product should be used as the supplement of light Warning Mark,
Light Warning Mark can not completely be substituted；The field can find two patent of invention " a kind of directions in Substantive Examination Stage
The continuous sound stream of property and illumination fire disaster escaping pointing method and system " and " acousto-optic guiding abort escape system and its evacuation side
Method ", wherein, for sound instruction sensing mode the former " sound to be played in order, so as to form continuous directional sound
Stream ", the latter are " caution sound, the sound for having obvious characteristic including short duration tone, point to occur from event and transmits, along Dispersal Line
Leave in the safe direction of road direction ", how this two patents of invention are for which kind of beep pattern, realizing that evacuation route is guided, not having
It is related to very specific sound pointing method.
The content of the invention
In view of the shortcomings of the prior art, the present invention proposes acousto-optic Multi-information acquisition guidance system and method in a kind of building,
To reach the navigation information for enabling people to the clear sound differentiated in evacuation route, light Warning Mark, rapidly find safety and go out
The purpose of mouth.
Acousto-optic Multi-information acquisition guidance system in one kind building, the system are installed on fire escape in building including several
With the acousto-optic Evacuation Indicatory Sign light fixture and exit signs controller that change direction indication of extra exit, described acousto-optic is dredged
Dissipating Warning Mark light fixture includes communication unit, information processing and control unit, optical signal driver element, audio-signal-driven and puts
Big unit；Wherein,
Described exit signs controller：Alarm and linkage information, generation for receiving automatic fire alarm system should
Anxious evacuation route, and then determine the light indicating mode of each acousto-optic Evacuation Indicatory Sign light fixture and collaboration sounding mould in evacuation route
Formula, the emergent instruction of action command and startup according to corresponding to the position of acousto-optic Evacuation Indicatory Sign light fixture or address send it；
Described communication unit：For receive exit signs controller transmission action command and be forwarded to information processing and
Control unit；
Described information processing and control unit：According to action command, the acoustic impluse drive signal of storage inside is sent out
Audio-signal-driven and amplifying unit are delivered to, light pulse drive signal is sent to optical signal driver element, and the acousto-optic is dredged
The oneself state information for dissipating Warning Mark light fixture is uploaded to exit signs controller by communication unit；
Described optical signal driver element：For light pulse drive signal to be converted into electric impulse signal, and send to LED
Luminous tube, make it glittering according to pulse frequency；
Described audio-signal-driven and amplifying unit：For acoustic impluse drive signal to be converted into electric impulse signal simultaneously
It is amplified, is then forwarded to loudspeaker.
The sound that described acousto-optic Evacuation Indicatory Sign light fixture is sent is 500~8000Hz white noise.
The guidance method carried out using acousto-optic Multi-information acquisition guidance system in building, is comprised the following steps：
Step 1, acousto-optic Evacuation Indicatory Sign light fixture is arranged at intervals along evacuation route；
Step 2, exit signs controller receive alarm and the linkage information of automatic fire alarm system, and generate emergent dredge
Dissipate route；
Step 3, determine the light indicating mode of each acousto-optic Evacuation Indicatory Sign light fixture and collaboration sounding mould in evacuation route
Formula；
Described collaboration beep pattern includes：Beep pattern 1, beep pattern 2 and beep pattern 3；
Described beep pattern 1 is specially：Sent from evacuation starting point to extra exit, acousto-optic Evacuation Indicatory Sign light fixture
The dutycycle of white noise ping gradually increases；
Described beep pattern 2 is specially：The white noise ping of two acousto-optic Evacuation Indicatory Sign light fixtures of arbitrary neighborhood opens
Have that the regular hour is poor the dynamic time, described time difference span is 0~150ms；
Described beep pattern 3 is specially：Sent from evacuation starting point to extra exit, acousto-optic Evacuation Indicatory Sign light fixture
Intensity of sound gradually increase；
Described light indicating mode is specially：LED cooperates or worked independently with loudspeaker, works as collaborative work
When, the two time length is identical or proportional setting, and the scope of the ratio is 0.1~10；
Step 4, position or address according to acousto-optic Evacuation Indicatory Sign light fixture, exit signs controller is by corresponding action
Instruction is sent to the communication unit of each acousto-optic Evacuation Indicatory Sign light fixture；
Action command is forwarded to information processing and control unit by step 5, communication unit；
Step 6, information processing and control unit send the acoustic impluse drive signal of storage inside according to action command
To audio-signal-driven and amplifying unit, light pulse drive signal is sent to optical signal driver element, and the acousto-optic is evacuated
The oneself state information of Warning Mark light fixture is uploaded to exit signs controller by communication unit；
Light pulse drive signal is converted to electric impulse signal, and sends to LED and light by step 7, optical signal driver element
Pipe, makes it glittering according to pulse frequency, acoustic impluse drive signal is converted to electric pulse by audio-signal-driven and amplifying unit
Signal is simultaneously amplified, and is then forwarded to loudspeaker.
The occupation mode of beep pattern 1, beep pattern 2 and beep pattern 3 described in step 3 includes being used alone and combination
Use.
Advantage of the present invention：
The present invention proposes acousto-optic Multi-information acquisition guidance system and method in a kind of building, makes under construction during evacuating personnel
With the present invention guidance system and method, by specifically cooperateing with beep pattern and light indicating mode in case of emergency to help people
Member's escape, three kinds of collaboration beep patterns are strong by increasing white noise pulse duty factor, starting time interval setting and improving sounding
Spend the direction for making evacuation personnel further confirm that extra exit；The indicating mode merged using acousto-optic, compensate for light configured information
The limitation easily blocked and failed, go out so as to help people in case of emergency more fast and accurately to find safety
Mouthful.
Brief description of the drawings
Fig. 1 is acousto-optic Multi-information acquisition guidance system structured flowchart in the building of an embodiment of the present invention；
Fig. 2 is the exit signs controller internal structure block diagram of an embodiment of the present invention；
Fig. 3 is the acousto-optic Evacuation Indicatory Sign lamp interior structured flowchart of an embodiment of the present invention；
Fig. 4 is the acousto-optic Evacuation Indicatory Sign light fixture schematic diagram of an embodiment of the present invention；
Fig. 5 is the guidance method carried out using acousto-optic Multi-information acquisition guidance system in building of an embodiment of the present invention
Flow chart；
Fig. 6 is the oscillogram of beep pattern 1 of an embodiment of the present invention；
Fig. 7 is the oscillogram of beep pattern 2 of an embodiment of the present invention；
Fig. 8 is the oscillogram of beep pattern 3 of an embodiment of the present invention；
Fig. 9 is the beep pattern 1, beep pattern 2, the combined waveform figure of beep pattern 3 of an embodiment of the present invention.
Embodiment
An embodiment of the present invention is described further below in conjunction with the accompanying drawings.
In the embodiment of the present invention, as shown in figure 1, acousto-optic Multi-information acquisition guidance system is installed on including several in building
Acousto-optic Evacuation Indicatory Sign light fixture (the abbreviation acousto-optic mark in figure for changing direction indication of fire escape and extra exit in building
Will light fixture) and exit signs controller；The exit signs controller passes through communication bus and acousto-optic Evacuation Indicatory Sign light fixture
Connection, the exit signs controller can be connected by external communication bus with automatic fire alarm system；The fire is certainly
Dynamic warning system is prior art, including fire detection alarm system, fire-fighting linkage control system and fire early-warning system, specifically
Including fire alarm control unit, fire protection linkage control device, alarm controller for combustible gas base and the electrical equipment fire being arranged in switch board
Calamity monitor etc., warning message include the information such as fire detecting and alarm, combustible gas detecting alarm and electric fire disaster warning；
In the embodiment of the present invention, exit signs controller is the core of whole system, and it uses large-screen lc to show, mould
Blockization designs, and can be easily installed operation and maintenance according to extension loop plate is actually needed；Exit signs controller can be coupled 8 altogether
63 acousto-optic Evacuation Indicatory Sign light fixtures can be coupled in bar communication loop, every communication loop, and completing evacuation by communication bus refers to
Show the communication between controller and acousto-optic Evacuation Indicatory Sign light fixture, control acousto-optic Evacuation Indicatory Sign light fixture working condition, with
And the guide of evacuation route is formed when emergency occurs；Exit signs controller is automatic with fire by external communication bus
Warning system communicates, and receives alarm and linkage information；
As shown in Fig. 2 the whole hardware system of exit signs controller is by industrial computer unit, loop expanding element, loop
Control unit, communication unit, status display unit and power supply part, industrial computer unit and loop expanding element and communication unit
Member is connected, and the loop expanding element is connected with circuit controls unit and status display unit respectively；The power supply
Part is connected with industrial computer unit, loop expanding element, circuit controls unit, communication unit and status display unit respectively.
In the embodiment of the present invention, loop expanding element uses the low-power consumption 8 with the FLASH EPROM with ISP functions
Microcontroller 78E516, and external RAM is used as using 62256, using 4 tunnel CAN communications in circuit, 4 loop controls can be connected
Unit processed, and the information in each loop is uploaded into industrial computer unit and carries out data processing；
In the embodiment of the present invention, circuit controls unit master chip uses ARM chip LPC1758, and function is strong, and instruction is abundant,
It is widely used outstanding machine, is indicated in addition between circuit controls unit and loop expanding element by CAN communication with acousto-optic
Communicated between mark by RS485；
In the embodiment of the present invention, communication unit master chip uses ARM chip LPC1758, in addition can by network interface,
RS232, RS485 or CAN interface and automatic fire alarm system such as fire alarm control unit are communicated, and receive fire alarm control
The fire detecting and alarm information of device output processed, and the information is uploaded to industrial computer unit；
In the embodiment of the present invention, status display unit is come out the status information feedback of controller using LED and loudspeaker.
In the embodiment of the present invention, as shown in figure 3, acousto-optic Evacuation Indicatory Sign light fixture include communication unit, information processing and
Control unit, optical signal driver element, audio-signal-driven and amplifying unit, in addition to 1 loudspeaker and 3 pieces of LEDs,
As shown in figure 4, LED includes left and right arrow to export Warning Mark；The communication unit and information processing and
Control unit is connected, and the output end of information processing and controlling unit is driven with the input of optical signal driver element and audio signal
Dynamic and amplifying unit input is connected；Audio signal is transferred to after audio-signal-driven and amplifying unit processing and raised one's voice
Device, play out acoustic information；Optical signal is transferred to LED after the processing of optical signal driver element and lighted；Power circuit is
Above-mentioned module for power supply；
In the embodiment of the present invention, communication unit utilizes RS485 communication chips, realizes between acousto-optic Warning Mark and controller
Information transfer；
In the embodiment of the present invention, information processing and controlling unit master chip uses LPC1114 microprocessors, supports Thumb
(16)/ARM (32) double instruction set, good compatible 8/16 devices of energy, addressing system is flexibly simple, execution efficiency
Height, command length are fixed.The microprocessor has the characteristics of integrated level high and low power consumption, can be good at completing between each unit
Control and the processing of data, information processing and controlling unit are responsible for the control between each unit and the processing of data；
In the embodiment of the present invention, optical signal driver element is made up of 3 paths of LEDs luminous tubes, and left and right both direction is indicated respectively by 2
Road single-chip microcomputer signal control, respectively T1, T2 and T3, T2, when T1 and T2 is lighted in paramount Shi Zuo areas simultaneously, similarly, T3 is same with T2
Shi Zhigao Shi You areas light, need to be paramount by T1 during if desired for left field flicker, and T2 then adjusts according to corresponding flicker frequency,
The time of break-make is set according to program, so as to realize the state and flicker frequency that individually control each direction indication；
In the embodiment of the present invention, audio-signal-driven and amplifying unit are made up of speech chip and triode；Wherein voice
Realize that programming enters the sound of needs and sets triggering pattern in chip, then instruction T2 and T4 is sent by single-chip microcomputer and broadcast to control
Put, wherein the power supply of T4 control voices chip, T2 controls the output of audio signal, that is, T2 and T4 when needing playing audio signal
It is simultaneously height.When T4 is paramount all the time, the change of audio signal pattern can be realized to reach by controlling the T2 paramount times
Processing to audio signal；And power amplification is carried out to audio signal, loudspeaker is transferred to, using D class audio frequency power amplification cores
Piece TPA3007, the multiplication factor of the chip can be controlled to realize the control to the audio signal sound intensity by single-chip microcomputer in addition.
In the embodiment of the present invention, exit signs controller is used for the alarm for receiving automatic fire alarm system and linkage letter
Breath, generate emergency evacuation route, and then determine evacuation route on each acousto-optic Evacuation Indicatory Sign light fixture light indicating mode and
Cooperate with beep pattern, action command and startup according to corresponding to the position of acousto-optic Evacuation Indicatory Sign light fixture or address send it
Emergent instruction；Communication unit is used to receive the action command of exit signs controller transmission and is forwarded to information processing and control list
Member；Information processing and control unit are used for according to action command, and the acoustic impluse drive signal of storage inside is sent to audio
Signal drives and amplifying unit, and light pulse drive signal is sent to optical signal driver element, and by the acousto-optic exit signs mark
The oneself state information of will light fixture is uploaded to exit signs controller by communication unit；Optical signal driver element is used for light arteries and veins
Rush drive signal and be converted to electric impulse signal, and send to LED, make it glittering according to pulse frequency；Described acousto-optic
The sound that Evacuation Indicatory Sign light fixture is sent is 500~8000Hz white noise；Audio-signal-driven and amplifying unit are used for will
Acoustic impluse drive signal is converted to electric impulse signal and is amplified, and is then forwarded to loudspeaker.
In the embodiment of the present invention, illustrated exemplified by fire occurs, system is oriented to using acousto-optic Multi-information acquisition in building
The guidance method that system is carried out, method flow diagram is as shown in figure 5, comprise the following steps：
Step 1, acousto-optic Evacuation Indicatory Sign light fixture is arranged at intervals along evacuation route；
In the embodiment of the present invention, the acousto-optic Evacuation Indicatory Sign light fixture is arranged at intervals along evacuation route, the spacing can
With reference to GB50016-2014《Code for fire protection design of buildings》The setting spacing of fire emergency and Evacuation Indicatory Sign in building
The regulation that not should be greater than 20m is configured；
Step 2, exit signs controller receive alarm and the linkage information of automatic fire alarm system, and generate emergent dredge
Dissipate route；
In the embodiment of the present invention, described linkage information includes fire resisting shutter, extinction using gas, fire water-supply and smoke controlling etc.
The linkage information of equipment；When fire does not occur, sound instruction does not work, and the LED of light instruction keeps Chang Liang, and sensing side
To for closest extra exit；When fire occurs, the fire that exit signs controller receives fire alarm control unit is visited
Alarm signal is surveyed, generates emergency evacuation route；
Step 3, determine the light indicating mode of each acousto-optic Evacuation Indicatory Sign light fixture and collaboration sounding mould in evacuation route
Formula；
The present invention does not limit the cycle of signal, here with signal period identical situation for example, the present invention also includes
Signal period different situation；
In the embodiment of the present invention, collaboration beep pattern includes：Beep pattern 1, beep pattern 2 and beep pattern 3；Wherein：
Beep pattern 1 is specially：White noise is sent from evacuation starting point to extra exit, acousto-optic Evacuation Indicatory Sign light fixture
The dutycycle of pulse gradually increases；In the embodiment of the present invention, as shown in fig. 6, in figure, arrow A is represented, evacuation direction, arrow refers to
Represent that loudspeaker 1,2 represents that loudspeaker 2,3 represents that loudspeaker 3,4 represents loudspeaker 4 to extra exit, 1, T represents pulse signal
Cycle, t1 represent signal duration；Nearer apart from extra exit, the loudspeaker of acousto-optic Evacuation Indicatory Sign light fixture sends white
The dutycycle of noise pulse is bigger, and dutycycle here refers to the ratio of pulse signal duration and pulse signal cycle, pulse letter
Number duration can be chosen between 50ms~500ms, and pulse signal cycle can be chosen between 500~1000ms, duty
It is 0.2~0.8 than span；
Described beep pattern 2 is specially：The white noise ping of two acousto-optic Evacuation Indicatory Sign light fixtures of arbitrary neighborhood opens
Have that the regular hour is poor the dynamic time, described time difference span is 0~150ms；In the embodiment of the present invention, to avoid phase
The positioning of mutual respect overlay human auditory system causes to obscure, as shown in fig. 7, in this illustration, 4 acousto-optic Evacuation Indicatory Sign light fixtures
Loudspeaker sends 3 acoustic impluse signals, only draws 3 here as an example, actual each pulse signal is continuous repeats
's.
Described beep pattern 3 is specially：Sent from evacuation starting point to extra exit, acousto-optic Evacuation Indicatory Sign light fixture
Intensity of sound gradually increase；In the embodiment of the present invention, as shown in figure 8, the sound intensity of loudspeaker 1 is 60dB (distance 3m), raised one's voice
The sound intensity of device 2 is 65dB (distance 3m), the sound intensity of loudspeaker 3 is 70dB (distance 3m), the sound intensity of loudspeaker 4 is 75dB (distances
3m), the sound intensity of the loudspeaker 4 nearest apart from extra exit is most strong.
The occupation mode of above-mentioned beep pattern 1, beep pattern 2 and beep pattern 3 includes being used alone and being applied in combination,
Fig. 9 is the example that beep pattern 1, beep pattern 2 and beep pattern 3 are applied in combination；
Described light indicating mode is specially：LED cooperates or worked independently with loudspeaker, works as collaborative work
When, the two time length is identical or proportional setting, and the scope of the ratio is 0.1~10；
In the embodiment of the present invention, the acoustic impluse that collaboration beep pattern and light indicating mode are formed more than drives letter
Number and light pulse drive signal the information processing and control of acousto-optic Evacuation Indicatory Sign light fixture are stored in the form of different coding
In unit；
Step 4, position or address according to acousto-optic Evacuation Indicatory Sign light fixture, exit signs controller is by corresponding action
Instruction is sent to the communication unit of each acousto-optic Evacuation Indicatory Sign light fixture；
In the embodiment of the present invention, exit signs controller is sentenced according to the position or address of acousto-optic Evacuation Indicatory Sign light fixture
Break particular location of each acousto-optic Evacuation Indicatory Sign light fixture in evacuation route, and according to collaboration beep pattern and light indicating mode
Sending action instructs, and informs acoustic impluse drive signal and light pulse driving letter that each acousto-optic Evacuation Indicatory Sign light fixture should be sent
Number the startup time and coding.
Action command is forwarded to information processing and control unit by step 5, communication unit；
Step 6, information processing and control unit send the acoustic impluse drive signal of storage inside according to action command
To audio-signal-driven and amplifying unit, light pulse drive signal is sent to optical signal driver element, and the acousto-optic is evacuated
The oneself state information of Warning Mark light fixture is uploaded to exit signs controller by communication unit；
In the embodiment of the present invention, described oneself state information, whether just acousto-optic Evacuation Indicatory Sign light fixture is specifically included
The often fault message of startup and each unit；
Light pulse drive signal is converted to electric impulse signal, and sends to LED and light by step 7, optical signal driver element
Pipe, makes it glittering according to pulse frequency, acoustic impluse drive signal is converted to electric pulse by audio-signal-driven and amplifying unit
Signal is simultaneously amplified, and is then forwarded to loudspeaker.
Claims (1)
1. acousto-optic Multi-information acquisition guidance method in one kind building, using acousto-optic Multi-information acquisition guidance system in building, this is
System includes several and is installed on fire escape and the acousto-optic Evacuation Indicatory Sign for changing direction indication of extra exit in building
Light fixture and exit signs controller, it is single that described acousto-optic Evacuation Indicatory Sign light fixture includes communication unit, information processing and control
Member, optical signal driver element, audio-signal-driven and amplifying unit；Wherein,
Described exit signs controller：For receiving alarm and the linkage information of automatic fire alarm system, emergent dredge is generated
Route is dissipated, and then determines the light indicating mode of each acousto-optic Evacuation Indicatory Sign light fixture and collaboration beep pattern in evacuation route,
The emergent instruction of action command and startup according to corresponding to the position of acousto-optic Evacuation Indicatory Sign light fixture or address send it；
Described communication unit：For receiving the action command of exit signs controller transmission and being forwarded to information processing and control
Unit；
Described information processing and control unit：For according to action command, the acoustic impluse drive signal of storage inside to be sent out
Audio-signal-driven and amplifying unit are delivered to, light pulse drive signal is sent to optical signal driver element, and the acousto-optic is dredged
The oneself state information for dissipating Warning Mark light fixture is uploaded to exit signs controller by communication unit；
Described optical signal driver element, it is made up of 3 paths of LEDs luminous tubes, is respectively driven light pulse by light emission drive circuit
Signal is converted to corresponding electric impulse signal, makes three LEDs indicated in light areas of its driving or extinguishing or according to electric arteries and veins
The frequency for rushing signal is glittering；
Described audio-signal-driven and amplifying unit：For acoustic impluse drive signal to be converted into electric impulse signal and carried out
Amplification, is then forwarded to loudspeaker；
The sound that described acousto-optic Evacuation Indicatory Sign light fixture is sent is 500~8000Hz white noise；
It is characterised in that it includes following steps：
Step 1, acousto-optic Evacuation Indicatory Sign light fixture is arranged at intervals along evacuation route；
Step 2, exit signs controller receive alarm and the linkage information of automatic fire alarm system, and generate emergency evacuation road
Line；
Step 3, determine the light indicating mode of each acousto-optic Evacuation Indicatory Sign light fixture and collaboration beep pattern in evacuation route；
Described collaboration beep pattern includes：Beep pattern 1, beep pattern 2 and beep pattern 3；
Described beep pattern 1 is specially：White noise is sent from evacuation starting point to extra exit, acousto-optic Evacuation Indicatory Sign light fixture
The dutycycle of ping gradually increases；
Described beep pattern 2 is specially：When the white noise ping of two acousto-optic Evacuation Indicatory Sign light fixtures of arbitrary neighborhood starts
Between have the regular hour it is poor, described time difference span is 0~150ms；
Described beep pattern 3 is specially：The sound sent from evacuation starting point to extra exit, acousto-optic Evacuation Indicatory Sign light fixture
Loudness of a sound degree gradually increases；
Described light indicating mode is specially：LED cooperates or worked independently with loudspeaker, when cooperating,
The two time length is identical or proportional setting, and the scope of the ratio is 0.1~10；
The occupation mode of described beep pattern 1, beep pattern 2 and beep pattern 3 includes being used alone and being applied in combination；
Step 4, position or address according to acousto-optic Evacuation Indicatory Sign light fixture, exit signs controller is by corresponding action command
Send to the communication unit of each acousto-optic Evacuation Indicatory Sign light fixture；
Action command is forwarded to information processing and control unit by step 5, communication unit；
Step 6, information processing and control unit send the acoustic impluse drive signal of storage inside to sound according to action command
Frequency signal drives and amplifying unit, and light pulse drive signal is sent to optical signal driver element, and by the acousto-optic exit signs
The oneself state information of signal light is uploaded to exit signs controller by communication unit；
Light pulse drive signal is converted to electric impulse signal, and sent to LED by step 7, optical signal driver element, is made
It is glittering according to pulse frequency, and acoustic impluse drive signal is converted to electric impulse signal simultaneously by audio-signal-driven and amplifying unit
It is amplified, is then forwarded to loudspeaker.
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| CN109686024A (en) * | 2017-12-31 | 2019-04-26 | 湖南汇博电子科技股份有限公司 | Fire disaster escaping broadcasting method and system |
| CN109785552A (en) * | 2018-06-21 | 2019-05-21 | 湖南汇博电子科技股份有限公司 | Fire fighting lamp control method, device, system and storage medium |
| CN109559464A (en) * | 2018-11-21 | 2019-04-02 | 公安部四川消防研究所 | Crowded place evacuating personnel inducible system and method based on AI technology |
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Address after: 110034 No. 218-20, Wen Da Road, Huanggu District, Shenyang, Liaoning. Patentee after: Shenyang Institute of Fire Protection, Ministry of Emergency Management Address before: 110034 No. 218-20, Wen Da Road, Huanggu District, Shenyang, Liaoning. Patentee before: Shenyang Fire-Extiquishing Inst., Public Security Ministry |