CN104282099A - Position identifying device for guiding people to scatter based on audio technology and control method thereof - Google Patents
Position identifying device for guiding people to scatter based on audio technology and control method thereof Download PDFInfo
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- CN104282099A CN104282099A CN201310279628.5A CN201310279628A CN104282099A CN 104282099 A CN104282099 A CN 104282099A CN 201310279628 A CN201310279628 A CN 201310279628A CN 104282099 A CN104282099 A CN 104282099A
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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
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Alarm Systems (AREA)
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Abstract
The invention relates to a position identifying device for guiding people to scatter based on the audio technology. A power source conversion circuit is connected with a CPU circuit, a voice amplifying circuit, a power amplifying circuit, a light emitting drive circuit and a broadband voice bank storage circuit. The CPU circuit is connected with the voice amplifying circuit, an output control circuit, a parameter setting circuit and a broadband voice band storage circuit. A control method of the position identifying device comprises the following steps that the CPU circuits of multiple position identifying devices receive a trigger signal at the same time, the CPU circuit of each position identifying device starts the corresponding position identifying device according to a parameter signal and calls voice information in the broadband voice bank storage circuit, and the corresponding position identifying device is controlled to make a sound and emit light. According to the position identifying device for guiding people to scatter based on the audio technology, position identification is achieved based on the audio technology, the problem that light rays of a light indicating identifying device are blocked after smoke diffuses, and therefore a safe position cannot be clearly identified can be effectively solved, and the probability of secondary disasters is reduced.
Description
Technical field
The invention belongs to fire protection linkage control technical field in safety engineering discipline, relate to and be a kind ofly mainly used in evacuating personnel position identification device under the various emergency circumstance of large public building crowded place such as megastore, stadiums, hotel, office building, conference and exhibition center and implementation method.
Background technology
Be arranged on large public building crowded place at present and be vision Warning Mark for the position identification device of evacuating personnel, i.e. light Warning Mark, as safety outlet mark lamp tool, escape stair indicating lamp etc.The outside surface of these light fixtures is formed by the pattern of marker location, utilizes certain light intensity irradiation pattern that mark is shown clearly.In case of emergency, after personnel see mark, move to symbol location rapidly, then withdraw hazardous location.
The light Warning Mark of view-based access control model has played very large effect in evacuating personnel process, but still exists following not enough:
1, the vision Warning Mark such as safety outlet mark lamp tool, escape stair indicating lamp is generally arranged on above egress door or passage, there is certain height on distance ground, when after crowded place breaking out of fire, flue gas spreads rapidly, after flue gas drops to certain altitude, can block Warning Mark, the penetration power of light is caused to reduce, make the evacuation personnel in a hurry clearly cannot tell safe location mark, be likely to miss safe escape position in evacuation, cause secondary disaster.
2, along with the variation of the complicated of large public building structure and function; evacuating personnel passage and route are also tending towards complicated; often there will be crossroad or T-shaped road junction; although crossing has many routes of escape to select; but it is probably inconsistent apart from the evacuation route length of each fire exit; therefore in the evacuation route that the route of crossing place Stochastic choice is not necessarily best, can Safety Evacuation Time be extended like this, strengthen escape risk.
3, large public building crowded place, personnel characteristics is complicated, and for visually impaired people person, in an emergency situation, light Warning Mark cannot play evacuation guiding function, therefore easily causes unnecessary personnel's injury, produces severe social influence.
Summary of the invention
For the deficiency of current light indicating positions recognition device, the invention provides a kind of position identification device and the implementation method that guide evacuating personnel based on Audiotechnica.
The technical scheme that the present invention is adopted for achieving the above object is: the position identification device guiding evacuating personnel based on Audiotechnica, and power converting circuit is connected with cpu circuit, sound amplifying circuit, power amplification circuit, light emission drive circuit, wideband voice bank memory circuit; Cpu circuit is connected with sound amplifying circuit, output control circuit, parameter setting circuit, wideband voice bank memory circuit; Power amplification circuit is connected with sound amplifying circuit, output control circuit, full frequency speaker; Light emission drive circuit is connected with output control circuit, light emitting diode;
Cpu circuit: adopt arm processor, for control position recognition device according to certain sequential sounding and luminescence; Receive the digital quantity parameter signal of outer triggering signal and parameter setting circuit, call the acoustic information of wideband voice bank memory circuit, and output sound signal is to sound amplifying circuit, outputs control signals to output control circuit;
Output control circuit carries out control level conversion according to control signal and exports digital controlled signal to power amplification circuit, exports analog quantity voltage signal to light emission drive circuit.
Described wideband voice bank memory circuit adopts Flash memory chip.
Described parameter setting circuit is toggle switch.
Described position identification device is multiple.
Guide the location recognition control method of evacuating personnel based on Audiotechnica, comprise the following steps:
The cpu circuit of multiple position identification device receives outside trigger pip simultaneously, reads the parameter signal set by parameter setting circuit;
The cpu circuit of each position identification device according to parameter signal starter gear and the acoustic information called in wideband voice bank memory circuit, carries out signal amplification through sound amplifying circuit and power amplification circuit; Exporting control signal control output control circuit and send digital controlled signal, controlling by controlling power amplification circuit the voice signal that full frequency speaker sends certain sequential; Meanwhile, controlling output control circuit and send analog control signal, controlling lumination of light emitting diode by controlling light emission drive circuit.
Described parameter signal comprises audio pattern parameter and start-up study parameter,
Described acoustic information is the pulse sound of 300Hz ~ 16000Hz.
Start-up study 70mS ~ 200mS between every two adjacent position identification devices in described multiple position identification device.
The present invention has following beneficial effect and advantage:
1, the present invention is based on Audiotechnica and realize location recognition, effectively can overcome light indicating positions recognition device light after flue gas diffusion and be blocked, cannot the problem of clear identification safe location, reduce the probability that secondary disaster occurs.
2, the evacuation route of the personnel selection the best in crossroad or T-shaped road junction can be guided, shorten Safety Evacuation Time, improve evacuation efficiency.
3, visually impaired people person can be helped in case of emergency to identify safe location rapidly, realize crew in order, safety, to evacuate efficiently.
4, simply, circuit devcie all adopts general-purpose chip, and therefore production technology easily realizes, and cost is low, has higher cost performance for structure of the present invention and Control timing sequence.
5. the present invention is provided with different start-up study parameter by adjacent two position identification devices, makes each device phonation time time difference at least at more than 50mS, avoids because Haas effect causes evacuation personnel cannot tell the situation of nearest position, fire exit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the installation site schematic diagram one of apparatus of the present invention;
Fig. 3 is the installation site schematic diagram two of apparatus of the present invention;
Fig. 4 is method flow diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
See accompanying drawing 1, guide a position identification device for evacuating personnel based on Audiotechnica, it comprises power converting circuit 1, cpu circuit 2, sound amplifying circuit 3, power amplification circuit 4, output control circuit 5, light emission drive circuit 6, parameter setting circuit 7, wideband voice bank memory circuit 8, full frequency speaker 9 and light emitting diode 10.The input information that device normally works required totally two kinds, one is power supply, and one is trigger pip.Externally fed power supply is 2 line DC24V power supplys, and the voltage range of power supply is that between DC18-36V, device all can reliably working.Externally fed power supply inputs to power converting circuit 1, the output of power converting circuit 1 is connected to cpu circuit 2 respectively, sound amplifying circuit 3, power amplification circuit 4, light emission drive circuit 6 and wideband voice bank memory circuit 8, for other circuit in device provide the voltage of different brackets.Outer triggering signal inputs to cpu circuit 2, for the sounding of device provides trigger pip.Trigger pip can be on-off model, also can be digital communication information.Wideband voice bank memory circuit 8 export cpu circuit 2 to, parameter setting circuit 7 export cpu circuit 2 to, the output of cpu circuit 2 divides two-way, one tunnel exports sound amplifying circuit 3 to, sound amplifying circuit 3 export power amplification circuit 4 to, power amplification circuit 4 export full frequency speaker 9(loudspeaker to), another road exports output control circuit 5 to, output control circuit 5 exports two path control signal, one road is to power amplification circuit 4, another road is to light emission drive circuit 6, and light emission drive circuit 6 exports light emitting diode 10 to.
Sound amplifying circuit 3: carry out amplitude for light current being pressed voice signal and amplify and be converted to strong voltage voice signal and export power amplification circuit 4 to.
Power amplification circuit 4: be converted to high power voice signal for low-power voice signal is carried out power amplification, the digital controlled signal according to the output control circuit 5 received carries out output high-power voice signal to full frequency speaker 9.
Output control circuit 5: carry out control level conversion according to control signal and export digital controlled signal to output control circuit 5, export analog quantity voltage signal to light emission drive circuit 6.Comprise sound control circuit and emission control circuit, be respectively used to the break-make controlling power amplification circuit 4 and light emission drive circuit 6; The input end of sound control circuit and emission control circuit all receives the control signal of cpu circuit 2, and the output terminal of sound control circuit is connected with power amplification circuit 4, and the output terminal of emission control circuit is connected with light emission drive circuit 6.
Light emission drive circuit 6: export light emitting diode 10 to according to the analog quantity voltage signal that power converting circuit 1 exports by the digital controlled signal of output control circuit 5.
Parameter setting circuit 7: adopt toggle switch circuit, different according to the site surrounding that position identification device is installed, the setting of sound pressure levels and sound frequency can be carried out by the gear of selection toggle switch, to adapt to the needs of various site surrounding.
Wideband voice bank memory circuit 8 adopts jumbo Flash memory chip, stores the acoustic information of 300 ~ 16000Hz.Output control circuit 5 comprises sound control circuit and emission control circuit, adopts high-power high-frequency fast digital gauge tap.
As shown in Figure 2,3, this device be placed in fire proofing be shell fire exit mark cavity in, 1 loudspeaker of this device exposes to housing surface, and is fixed on mark side, fire exit; Also can adopt multiple loudspeaker, as 2 loudspeakers, fire exit mark is arranged on front panel side by side with 2 loudspeakers, and fire exit indicates placed in the middle, and loudspeaker is separately positioned on both sides.
Once cpu circuit 2 receives outer triggering signal, read the white noise acoustic information that wideband voice bank memory circuit 9 stores immediately, read the parameter that parameter setting circuit 7 is arranged simultaneously, white noise acoustic information is exported to sound amplifying circuit 3 according to parameters, sound amplifying circuit 3 exports the voice signal after amplification to power amplification circuit 4, after voice signal is carried out power amplification by power amplification circuit 4, export full frequency speaker 9 to play, cpu circuit 2 can output control signals to output control circuit 5 simultaneously, one tunnel of output control circuit 5 exports power amplification circuit 4 to, cpu circuit 2 can control full frequency speaker 9 by output control circuit 5 to carry out playing (such as being pronounced and quiet alternate cycles by acoustic information within the regular hour) according to the break-make sequential of setting.Another road of output control circuit 5 outputs signal to light emission drive circuit 6, controls light emitting diode 10 luminous, and lamp device indicates pattern.
See accompanying drawing 4, the method realizes comprising the steps:
After fire occurs, the position identification device of fire generation area receives fire alarm trigger pip, cpu circuit 2 receives trigger pip, read the parameter signal set by parameter setting circuit 7, parameter signal comprises audio pattern parameter and start-up study parameter, call acoustic information in wideband voice bank memory circuit 9 according to parameter signal and carry out power amplification to power amplification circuit 4 after sound amplifying circuit 3 voltage amplification, export control signal simultaneously and trigger output control circuit 5, output control circuit 5 controls the ON/OFF of power amplification circuit 4 by inner sound control circuit, and then control the voice signal that full frequency speaker 9 sends certain sequential, meanwhile, output control circuit 5 controls the ON/OFF of light emission drive circuit 6 by inner emission control circuit, and then it is luminous to control light emitting diode 10, and light-emitting flash frequency is 1Hz, and light on and off dutycycle is 4:1.
Specifically describe: after fire occurs, the position identification device of fire generation area receives fire alarm trigger pip, cpu circuit 2 receives trigger pip, read the parameter signal set by parameter setting circuit 7, first in wideband voice bank memory circuit 9, call the continuous raising frequency audio warning of 2000Hz ~ 6000Hz, through sound amplifying circuit 3, power amplification circuit 4, full frequency speaker 9 output sound signal, the sound intensity is the sound pressure that 85dBA(distance sound source 3m place records), duration T 0 is selected in 1-5S according to on-site actual situations and personnel characteristics, for causing the attention of crowd in breaking out of fire region.
Then, the cpu circuit 2 of position identification device sends stop signal to output control circuit 5 makes the quiet 1S of full frequency speaker 9, wideband pulse sound is called again in wideband voice bank memory circuit 9, through sound amplifying circuit 3, power amplification circuit 4, full frequency speaker 9 output sound signal, as fire exit location recognition sound, the sound intensity is the sound pressure that 75dBA(distance sound source 3m place records), guide the crowd near fire exit to find fire exit rapidly.
Because wideband sound has low frequency, intermediate frequency and high frequency 3 wave bands, contained frequency information is very abundant, and the wideband pulse sound therefore sent more easily is heard by people's ear, even if under the condition that neighbourhood noise is stronger, and can not be masked.The pattern of wideband pulse sound is in table 1, audio pattern has three kinds, comprises at a slow speed, middling speed, fast, by audio pattern setting parameter, can personnel characteristics to be optional wherein a kind of in one's power according to applied field, the principle of selection is the sounding pattern that place that density of personnel is larger should select speed slower.
Table 1 wideband pulse audio pattern
| Audio pattern | Duration T 1 (mS) | Sounding interval T 2 (mS) | Pulse number | Frequency range (Hz) |
| At a slow speed | 300 | 200 | 6 | 300～16000 |
| Middling speed | 200 | 200 | 6 | 300～16000 |
| Fast | 100 | 150 | 6 | 300～16000 |
Be described in detail for sound style at a slow speed, wideband pulse sound first sends out 300mS, and then pause 200mS, circulates 6 times, and phonation time amounts to 3S, and audio frequency range is 300 ~ 16000Hz.
6 subpulse sound send and terminate, and the cpu circuit 2 of position identification device sends stop signal to output control circuit 5 makes the quiet 1S of full frequency speaker 9, then repeat to send wideband pulse sound.
When there is multiple fire exit fire generation area, when namely multiple position identification device has been installed, the phonation time time difference T3 of two adjacent position identification devices should at least at more than 50mS, to prevent the situation causing evacuation personnel cannot tell nearest position, fire exit due to Haas effect from occurring, this mistiming T3(i.e. start-up study parameter) generally select between 70mS ~ 200mS.The time difference of phonation time can be arranged by parameter setting circuit, time synchronous synchronous by fire alarm trigger pip, different gears can be set in toggle switch in each position identification device and represent different start-up study parameters, such as: 2 adjacent devices, toggle switch is set to 1 by one, toggle switch is set to 2 by another, after they receive trigger pip simultaneously, the startup being immediately set to 1 is implemented to guide sequential, the time delay 70mS being set to 2 restarts guiding sequential, the like.
Claims (8)
1. guide the position identification device of evacuating personnel based on Audiotechnica, it is characterized in that: power converting circuit (1) is connected with cpu circuit (2), sound amplifying circuit (3), power amplification circuit (4), light emission drive circuit (6), wideband voice bank memory circuit (8); Cpu circuit (2) is connected with sound amplifying circuit (3), output control circuit (5), parameter setting circuit (7), wideband voice bank memory circuit (8); Power amplification circuit (4) is connected with sound amplifying circuit (3), output control circuit (5), full frequency speaker (9); Light emission drive circuit (6) is connected with output control circuit (5), light emitting diode (10);
Cpu circuit (2): adopt arm processor, for control position recognition device according to certain sequential sounding and luminescence; Receive the digital quantity parameter signal of outer triggering signal and parameter setting circuit (7), call the acoustic information of wideband voice bank memory circuit (8), and output sound signal is to sound amplifying circuit (3), outputs control signals to output control circuit (5);
Output control circuit (5) carries out control level conversion according to control signal and exports digital controlled signal to power amplification circuit (4), exports analog quantity voltage signal to light emission drive circuit (6).
2. the position identification device guiding evacuating personnel based on Audiotechnica according to claim 1, is characterized in that: described wideband voice bank memory circuit (8) adopts Flash memory chip.
3. the position identification device guiding evacuating personnel based on Audiotechnica according to claim 1, is characterized in that: described parameter setting circuit (7) is toggle switch.
4. the position identification device guiding evacuating personnel based on Audiotechnica according to claim 1, is characterized in that: described position identification device is multiple.
5. guide the location recognition control method of evacuating personnel based on Audiotechnica, it is characterized in that comprising the following steps:
The cpu circuit (2) of multiple position identification device receives outside trigger pip simultaneously, reads the parameter signal set by parameter setting circuit (7);
The cpu circuit (2) of each position identification device according to parameter signal starter gear and the acoustic information called in wideband voice bank memory circuit (9), carries out signal amplification through sound amplifying circuit (3) and power amplification circuit (4); Exporting control signal control output control circuit (5) and send digital controlled signal, controlling by controlling power amplification circuit (4) voice signal that full frequency speaker (9) sends certain sequential; Meanwhile, controlling output control circuit (5) and send analog control signal, controlling light emitting diode (10) luminescence by controlling light emission drive circuit (6).
6. the location recognition control method guiding evacuating personnel based on Audiotechnica according to claim 5, is characterized in that: described parameter signal comprises audio pattern parameter and start-up study parameter,
7. the location recognition control method guiding evacuating personnel based on Audiotechnica according to claim 5, is characterized in that: described acoustic information is the pulse sound of 300Hz ~ 16000Hz.
8. according to claim 5ly guide the location recognition control method of evacuating personnel based on Audiotechnica, it is characterized in that: start-up study 70mS ~ 200mS between every two adjacent position identification devices in described multiple position identification device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310279628.5A CN104282099A (en) | 2013-07-04 | 2013-07-04 | Position identifying device for guiding people to scatter based on audio technology and control method thereof |
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| CN201310279628.5A CN104282099A (en) | 2013-07-04 | 2013-07-04 | Position identifying device for guiding people to scatter based on audio technology and control method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096510A (en) * | 2015-06-30 | 2015-11-25 | 山东北仁汇智能源发展有限公司 | Senior-suitable smoke detector alarm method |
| CN105225378A (en) * | 2015-11-05 | 2016-01-06 | 公安部沈阳消防研究所 | Acousto-optic Multi-information acquisition guidance system and method in building |
| CN111815877A (en) * | 2020-08-21 | 2020-10-23 | 汉得利（常州）电子股份有限公司 | White noise warning method and device |
| CN112383285A (en) * | 2019-11-21 | 2021-02-19 | 北京城建设计发展集团股份有限公司 | Integrated digital power amplifier |
| CN115171325A (en) * | 2022-06-30 | 2022-10-11 | 帝森克罗德集团有限公司 | Automatic alarm electric fire extinguishing controller |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112383285A (en) * | 2019-11-21 | 2021-02-19 | 北京城建设计发展集团股份有限公司 | Integrated digital power amplifier |
| CN111815877A (en) * | 2020-08-21 | 2020-10-23 | 汉得利（常州）电子股份有限公司 | White noise warning method and device |
| CN115171325A (en) * | 2022-06-30 | 2022-10-11 | 帝森克罗德集团有限公司 | Automatic alarm electric fire extinguishing controller |
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Application publication date: 20150114 |