CN105139782A - Multi-functional firefighting evacuation indicator - Google Patents
Multi-functional firefighting evacuation indicator Download PDFInfo
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- CN105139782A CN105139782A CN201510684313.8A CN201510684313A CN105139782A CN 105139782 A CN105139782 A CN 105139782A CN 201510684313 A CN201510684313 A CN 201510684313A CN 105139782 A CN105139782 A CN 105139782A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/19—Controlling the light source by remote control via wireless transmission
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
- G09F2013/222—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent with LEDs
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- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a multi-functional firefighting evacuation indicator comprising a box body, wherein the obverse side of the box body is provided with multi-arrow evacuation strobe lights formed by LEDs which are lined up and point to the evacuation passages; the cavity in the box body is divided into two parts by a vertical clapboard arranged in the box body, one part is internally provided with an accumulator and the other part is provided with function module control circuit boards which are parallel and spaced; when fire smog is detected by a smog sensing probe, an external emergency light is on, the evacuation strobe lights in circuit connection with an evacuation strobe light module are capable of indicating the directions of the evacuation passages dynamically in a running water mode, and a community fire alarm management system control center is used for outputting audio frequency evacuation prompt in real time according to the fire video shot by a camera. The multi-functional firefighting evacuation indicator is multifunctional, and capable of obviously indicating evacuation of people in a running water dynamic mode, adopts remote video monitoring to output audio evacuation prompt in real time, achieves a fire alarm active guidance function, and is capable of reducing injuries and deaths and loss.
Description
Technical field
The present invention relates to fire fighting equipment technical field, be specifically related to a kind of Multifunctional fire control dispersing indicating device.
Background technology
Under swift and violent development in science and technology drives, changing with each passing day of all trades and professions.Although the significantly leap of science and technology, potential safety hazard still exists, and accident is unexpected still cannot be avoided.Present urban population closeness is more and more denser, and floor building is more and more higher, and when fire or power-off suddenly, in order to guarantee the safety of the people's lies and property, loss dropped to minimum, fire-fighting evacuation indicating device is a very important facility.
At present, emergency light great majority are on the market that power-off is just bright, and this does not conform to the present situation of present global resources growing tension.Fire-fighting evacuation indicating device designed by the present invention not only has the function of emergency lighting, also combines the functions such as acousto-optic direction board, smoke screen warning, video monitoring simultaneously.Allow escape or evacuation colony specify escape route, escape from the scene of the accident rapidly, reduce the casualties as far as possible.
Be fire-fighting emergent identification lamp with the immediate existing product of the invention, this product function is comparatively single, guides board, just add current failure emergency deixis, add guide brightness compared with conventional fluorescence.There is following shortcoming: 1. because of the impact (only having emergent deixis) of function singleness, under normal circumstances, jury rig exists resources idle, not by situation about noting; 2. emergent instruction adopts fixing graphic arrows instruction, and indicating effect is not good enough; 3. passively can only guide, lack initiative alarming guiding function.
Summary of the invention
The invention provides a kind of Multifunctional fire control dispersing indicating device, indicate people to escape more significantly with the form of running lamp, control to light emergency light, monitoring remote video and cigarette sense and detect early warning fire.
The present invention is realized by following technical proposals:
Multifunctional fire control dispersing indicating device, comprise casing, it is characterized in that: the front of casing is the indicating lamp for emergency of multiple arrows of sensing passway for escaping direction in one line LED composition, be provided with a vertical clapboard in described casing the cavity in case is divided into two, place accumulator in one cavity, in another cavity, parallel interval arranges power supply circuit board, emergency light circuit plate, exit signs lamp circuit board, voice playing circuit plate and cigarette sense testing circuit plate up and down; Power module circuitry on power supply circuit board is for being arranged on camera on casing and described Multifunctional fire control dispersing indicating device provides power supply, camera external community fireproof alarming management system;
When the smoke sensing probe that on cigarette sense testing circuit plate, cigarette sense detection module circuit is external detects fire hazard aerosol fog, the emergency light that on emergency light circuit plate, emergency light modular circuit is external is lighted, the indicating lamp for emergency that on exit signs lamp circuit board, indicating lamp for emergency modular circuit connects is with the dynamic indication escaping channel direction of pipeline mode, on voice playing circuit plate, voice playing module circuit connects audio input interface, the background music signal that audio input interface input is outside or the voice evacuation cue that fireproof alarming management system control center of community sends, the loudspeaker connected by voice playing module circuit play background music or audio evacuation prompting,
The real-time output audio of fire video that fireproof alarming management system control center of community takes according to described camera evacuates prompting.
The further improvement project of the present invention comprises:
Described indicating lamp for emergency modular circuit comprises oscillatory circuit, and oscillatory circuit is made up of NE555 chip and peripheral circuit thereof,
Power supply VCC connects the discharge end DISC of NE555 chip by pull-up resistor R1, discharge end DISC is by variable resistor R3 and the first electric capacity C1 ground connection, common port between variable resistor R3 and electric capacity C1 connects the low triggering end TRIG of timer NE555 chip respectively and exceeds the THR that makes a start, the control voltage end CVOLT of NE555 chip is by the second electric capacity C2 ground connection for eliminating reference edge interference, and the reset terminal RES of NE555 chip connects power supply VCC;
Indicating lamp for emergency modular circuit also comprises pulsqe distributor HCF4017 chip, and HCF4017 chip is replaced by CD4017 chip is equivalent,
The output terminal OUT of NE555 chip connects as the input end of HCF4017 chip, it connects the clock end CLK of HCF4017 chip, the output pin 0 of HCF4017 chip is connected by the base stage of current-limiting resistance with the first triode Q1, the output pin 3 of HCF4017 chip is connected by the base stage of current-limiting resistance with the second triode Q2, the output pin 6 of HCF4017 chip is connected by the base stage of current-limiting resistance with the 3rd triode Q3, the output pin 9 of HCF4017 chip is connected by the base stage of current-limiting resistance with the 4th triode Q4, triode Q1, Q2, Q3, the collector of Q4 connects power end VCC respectively,
First group of light emitting diode D1, D2, D3 form parallel branch, the emitter of the first triode Q1 anode common with first group of light emitting diode D1, D2, D3 is connected, the common anode of first group of light emitting diode D1, D2, D3 is connected VCC with power end, the plus earth that first group of light emitting diode D1, D2, D3 are common; Second group of light emitting diode D4, D5, D6 form parallel branch, and the emitter of the second triode Q2 anode common with second group of light emitting diode D4, D5, D6 is connected, the plus earth that second group of light emitting diode D4, D5, D6 are common; 3rd group of light emitting diode D7, D8, D9 form parallel branch, and the emitter of the 3rd triode Q3 is connected with the 3rd group of anode that light emitting diode D7, D8, D9 are common, the 3rd group of plus earth that light emitting diode D7, D8, D9 are common; 4th group of light emitting diode D10, D11, D12 form parallel branch, and the emitter of the 4th triode Q4 is connected with the 4th group of anode that light emitting diode D10, D11, D12 are common, the 4th group of plus earth that light emitting diode D10, D11, D12 are common.
Described power module circuitry comprises civil power detection module, civil power, described accumulator and switch are connected in series, and the other end of switch connects described emergency light modular circuit, described indicating lamp for emergency modular circuit, described voice playing module circuit and described cigarette sense detection module circuit respectively; Civil power is emergency light modular circuit, indicating lamp for emergency modular circuit, voice playing module circuit and cigarette sense detection module circuit provide power supply, and is charge in batteries; Civil power, civil power detection module and described switch are connected, switch is normally open, when civil power detection module detects civil power power-off, closing switch, such that accumulator is emergency light modular circuit, indicating lamp for emergency modular circuit, voice playing module circuit and cigarette sense detection module circuit provides power supply.
Described emergency light modular circuit connects emergency light main control chip HN1203, and the output terminal of emergency light main control chip HN1203 connects outside emergency light.
Voice playing module circuit on described voice playing circuit plate connects speech chip ISD1820, and the output terminal of speech chip ISD1820 connects the loudspeaker for pointing out passway for escaping direction.
Advantage of the present invention:
(1) several functions that the present invention possesses civil power and accumulator automatic switchover is powered, cigarette sense detects, dynamic exit signs, intelligence light the instruction of emergency light, monitoring remote video and voice evacuation, combine in a modular fashion, maintainer can be determined fast to overhaul orientation, greatly improve maintenance efficiency, ensure the quality of product;
(2) the present invention indicates people to escape with the form of running lamp more significantly, fireproof alarming management system control center of community realizes the real-time output audio of monitoring remote video by camera and evacuates prompting, reach initiatively fire alarm guiding function, reduce injures and deaths, reduce loss.
Accompanying drawing explanation
Fig. 1 is the Facad structure figure of Multifunctional fire control dispersing indicating device of the present invention;
Fig. 2 is the inverse layer structure figure of Fig. 1;
Fig. 3 is the schematic block circuit diagram of Multifunctional fire control dispersing indicating device of the present invention;
Fig. 4 is the circuit diagram of the indicating lamp for emergency modular circuit in Fig. 2 on exit signs lamp circuit board.
Embodiment
As Fig. 1 or Fig. 2, Multifunctional fire control dispersing indicating device, comprise casing 1, the front of casing 1 is the indicating lamp for emergency 2 of multiple arrows of sensing passway for escaping direction in one line LED composition, be provided with a vertical clapboard 3 in described casing the cavity in case is divided into two, place accumulator 4 in one cavity, in another cavity, parallel interval arranges power supply circuit board 51, emergency light circuit plate 52, exit signs lamp circuit board 53, voice playing circuit plate 54 and cigarette sense testing circuit plate 55 up and down; Power module circuitry on power supply circuit board 51 is for being arranged on camera 6 on casing 1 and described Multifunctional fire control dispersing indicating device provides power supply, camera external community fireproof alarming management system;
When the smoke sensing probe that on cigarette sense testing circuit plate 55, cigarette sense detection module circuit is external detects fire hazard aerosol fog, the emergency light that on emergency light circuit plate 52, emergency light modular circuit is external is lighted, the indicating lamp for emergency 2 that on exit signs lamp circuit board 53, indicating lamp for emergency modular circuit connects is with the dynamic indication escaping channel direction of pipeline mode, on voice playing circuit plate 54, voice playing module circuit connects audio input interface, the background music signal that audio input interface input is outside or the voice evacuation cue that fireproof alarming management system control center of community sends, the loudspeaker connected by voice playing module circuit play background music or audio evacuation prompting,
The real-time output audio of fire video that fireproof alarming management system control center of community takes according to described camera 6 evacuates prompting.
As Fig. 3, described power module circuitry comprises civil power detection module, civil power, described accumulator 4 and switch are connected in series, and the other end of switch connects described emergency light modular circuit, described indicating lamp for emergency modular circuit, described voice playing module circuit and described cigarette sense detection module circuit respectively; Civil power is emergency light modular circuit, indicating lamp for emergency modular circuit, voice playing module circuit and cigarette sense detection module circuit provide power supply, and is charge in batteries; Civil power, civil power detection module and described switch are connected, switch is normally open, when civil power detection module detects civil power power-off, closing switch, such that accumulator is emergency light modular circuit, indicating lamp for emergency modular circuit, voice playing module circuit and cigarette sense detection module circuit provides power supply.
As Fig. 4, described indicating lamp for emergency modular circuit comprises oscillatory circuit, oscillatory circuit is made up of NE555 chip and peripheral circuit thereof, power supply VCC connects the discharge end DISC of NE555 chip by pull-up resistor R1, discharge end DISC is by variable resistor R3 and the first electric capacity C1 ground connection, common port between variable resistor R3 and electric capacity C1 connects the low triggering end TRIG of NE555 chip respectively and exceeds the THR that makes a start, the control voltage end CVOLT of NE555 chip is by the second electric capacity C2 ground connection for eliminating reference edge interference, and the reset terminal RES of NE555 chip connects power supply VCC.
Indicating lamp for emergency modular circuit also comprises pulsqe distributor HCF4017 chip, and HCF4017 chip is replaced by CD4017 chip is equivalent, the output terminal OUT of NE555 chip connects as the input end of HCF4017 chip, it connects the clock end CLK of HCF4017 chip, the output pin 0 of HCF4017 chip is connected by the base stage of current-limiting resistance with the first triode Q1, the output pin 3 of HCF4017 chip is connected by the base stage of current-limiting resistance with the second triode Q2, the output pin 6 of HCF4017 chip is connected by the base stage of current-limiting resistance with the 3rd triode Q3, the output pin 9 of HCF4017 chip is connected by the base stage of current-limiting resistance with the 4th triode Q4, triode Q1, Q2, Q3, the collector of Q4 connects power end VCC respectively,
First group of light emitting diode D1, D2, D3 form parallel branch, the emitter of the first triode Q1 anode common with first group of light emitting diode D1, D2, D3 is connected, the common anode of first group of light emitting diode D1, D2, D3 is connected VCC with power end, the plus earth that first group of light emitting diode D1, D2, D3 are common; Second group of light emitting diode D4, D5, D6 form parallel branch, and the emitter of the second triode Q2 anode common with second group of light emitting diode D4, D5, D6 is connected, the plus earth that second group of light emitting diode D4, D5, D6 are common; 3rd group of light emitting diode D7, D8, D9 form parallel branch, and the emitter of the 3rd triode Q3 is connected with the 3rd group of anode that light emitting diode D7, D8, D9 are common, the 3rd group of plus earth that light emitting diode D7, D8, D9 are common; 4th group of light emitting diode D10, D11, D12 form parallel branch, and the emitter of the 4th triode Q4 is connected with the 4th group of anode that light emitting diode D10, D11, D12 are common, the 4th group of plus earth that light emitting diode D10, D11, D12 are common.
The running lamp principle of work of indicating lamp for emergency modular circuit: when the input end smoke sensing probe of the cigarette sense detection module circuit on cigarette sense testing circuit plate 55 detects fire hazard aerosol fog time, control controlled silicon conducting and make triode ON, thus power to exit signs circuit for lamp by P1, pilot lamp just directive luminescence.NE555 time base circuit composition oscillatory circuit, power supply VCC is by resistance R1, R3 charges to electric capacity C1, when being charged to a certain degree, the low triggering end TRIG of NE555 chip and exceed THR pin voltage of making a start and raise, as low triggering end TRIG with exceed after THR pin voltage of making a start is elevated to 2/3VCC, the OUT pin of NE555 chip exports as low level, discharge end DISC pin is over the ground in low resistance state, electric capacity C1 is discharged over the ground by variable resistor R3 and discharge end DISC pin, when be discharged to make low triggering end TRIG and exceed THR pin voltage of making a start lower than 1/3VCC time, OUT pin exports as high level, discharge end DISC pin is over the ground in high-impedance state, power supply VCC starts again to charge to electric capacity C1 by variable resistor R3, go round and begin again.By regulating the resistance of variable resistor R3, the time constant of capacitor charge and discharge can be changed thus change the frequency that OUT pin exports pulse.From the time clock that OUT pin output oscillating impulse works as HCF4017, under the effect of time clock, HCF4017 decade counter starts counting, high level is exported successively from 10 output terminals, continuous circulation, here output pin 0,3,6,9 pin only getting HCF4017 chip is connected on four groups of light emitting diodes, to form the luminescence display of flowing water shape.
Emergency light modular circuit comprises emergency light main control chip HN1203, and the output terminal of emergency light main control chip HN1203 connects outside emergency light.Main control chip HN1203 and peripheral circuit form failure detector circuit, if the fault of detecting, the hummer that main control chip HN1203 connects and led pilot lamp have corresponding acousto-optic to indicate.
Voice playing module circuit comprises speech chip ISD1820, and the output terminal of speech chip ISD1820 connects the loudspeaker for pointing out passway for escaping direction.
The present invention is not limited to above-mentioned embodiment, and the further expansion that those of ordinary skill in the art makes according to the present invention all falls into protection scope of the present invention.
Claims (5)
1. function fire-fighting evacuation indicating device, comprise casing (1), it is characterized in that: the front of casing is the indicating lamp for emergency (2) of multiple arrows of sensing passway for escaping direction in one line LED composition, be provided with a vertical clapboard (3) in described casing the cavity in case is divided into two, place accumulator (4) in one cavity, in another cavity, parallel interval arranges power supply circuit board (51), emergency light circuit plate (52), exit signs lamp circuit board (53), voice playing circuit plate (54) and cigarette sense testing circuit plate (55) up and down; Power module circuitry on power supply circuit board (51) is for being arranged on camera (6) on casing (1) and described Multifunctional fire control dispersing indicating device provides power supply, camera external community fireproof alarming management system;
When cigarette sense testing circuit plate (55) the smoke sensing probe that above cigarette sense detection module circuit is external detects fire hazard aerosol fog, emergency light circuit plate (52) emergency light that above emergency light modular circuit is external is lighted, the indicating lamp for emergency (2) that the upper indicating lamp for emergency modular circuit of exit signs lamp circuit board (53) connects is with the dynamic indication escaping channel direction of pipeline mode, the upper voice playing module circuit of voice playing circuit plate (54) connects audio input interface, the background music signal that audio input interface input is outside or the voice evacuation cue that fireproof alarming management system control center of community sends, the loudspeaker connected by voice playing module circuit play background music or audio evacuation prompting,
The real-time output audio of fire video that fireproof alarming management system control center of community takes according to described camera (6) evacuates prompting.
2. Multifunctional fire control dispersing indicating device according to claim 1, is characterized in that: described indicating lamp for emergency modular circuit comprises oscillatory circuit, and oscillatory circuit is made up of NE555 chip and peripheral circuit thereof,
Power supply (VCC) connects the discharge end (DISC) of NE555 chip by pull-up resistor (R1), discharge end DISC is by variable resistor (R3) and the first electric capacity (C1) ground connection, common port between variable resistor (R3) and electric capacity (C1) connects the low triggering end (TRIG) of timer NE555 chip respectively and exceeds make a start (THR), the control voltage end (CVOLT) of NE555 chip is by the second electric capacity (C2) ground connection for eliminating reference edge interference, and the reset terminal (RES) of NE555 chip connects power supply (VCC);
Indicating lamp for emergency modular circuit also comprises pulsqe distributor HCF4017 chip, and HCF4017 chip is replaced by CD4017 chip is equivalent,
The output terminal (OUT) of NE555 chip connects as the input end of HCF4017 chip, it connects the clock end (CLK) of HCF4017 chip, the output pin (0) of HCF4017 chip is connected by the base stage of current-limiting resistance with the first triode (Q1), the output pin (3) of HCF4017 chip is connected by the base stage of current-limiting resistance with the second triode (Q2), the output pin (6) of HCF4017 chip is connected by the base stage of current-limiting resistance with the 3rd triode (Q3), the output pin (9) of HCF4017 chip is connected by the base stage of current-limiting resistance with the 4th triode (Q4), triode (Q1, Q2, Q3, Q4) collector connects power end (VCC) respectively,
First group of light emitting diode (D1, D2, D3) forms parallel branch, the emitter of the first triode (Q1) anode common with first group of light emitting diode (D1, D2, D3) is connected, the anode that first group of light emitting diode (D1, D2, D3) is common is connected with power end (VCC), the plus earth that first group of light emitting diode (D1, D2, D3) is common; Second group of light emitting diode (D4, D5, D6) forms parallel branch, the emitter of the second triode (Q2) anode common with second group of light emitting diode (D4, D5, D6) is connected, the plus earth that second group of light emitting diode (D4, D5, D6) is common; 3rd group of light emitting diode (D7, D8, D9) forms parallel branch, the emitter of the 3rd triode (Q3) anode common with the 3rd group of light emitting diode (D7, D8, D9) is connected, the plus earth that the 3rd group of light emitting diode (D7, D8, D9) is common; 4th group of light emitting diode (D10, D11, D12) forms parallel branch, the emitter of the 4th triode (Q4) anode common with the 4th group of light emitting diode (D10, D11, D12) is connected, the plus earth that the 4th group of light emitting diode (D10, D11, D12) is common.
3. Multifunctional fire control dispersing indicating device according to claim 1, it is characterized in that: described power module circuitry comprises civil power detection module, civil power, described accumulator (4) and switch are connected in series, and the other end of switch connects described emergency light modular circuit, described indicating lamp for emergency modular circuit, described voice playing module circuit and described cigarette sense detection module circuit respectively; Civil power is emergency light modular circuit, indicating lamp for emergency modular circuit, voice playing module circuit and cigarette sense detection module circuit provide power supply, and is charge in batteries; Civil power, civil power detection module and described switch are connected, switch is normally open, when civil power detection module detects civil power power-off, closing switch, such that accumulator is emergency light modular circuit, indicating lamp for emergency modular circuit, voice playing module circuit and cigarette sense detection module circuit provides power supply.
4. the Multifunctional fire control dispersing indicating device according to claim arbitrary in claim 1-3, it is characterized in that: described emergency light modular circuit connects emergency light main control chip HN1203, the output terminal of emergency light main control chip HN1203 connects outside emergency light.
5. the Multifunctional fire control dispersing indicating device according to claim arbitrary in claim 1-3, it is characterized in that: the voice playing module circuit on described voice playing circuit plate connects speech chip ISD1820, the output terminal of speech chip ISD1820 connects the loudspeaker for pointing out passway for escaping direction.
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| CN201510684313.8A CN105139782A (en) | 2015-10-20 | 2015-10-20 | Multi-functional firefighting evacuation indicator |
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Cited By (8)
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| CN106057099A (en) * | 2016-07-15 | 2016-10-26 | 长安大学 | Highway safety warning and guiding system used in hazy weather and method adopted by system |
| CN108413364A (en) * | 2018-03-23 | 2018-08-17 | 中国十七冶集团有限公司 | A kind of intelligent emergent exit signs lighting system |
| CN108520712A (en) * | 2018-04-13 | 2018-09-11 | 广东工业大学 | A kind of fire-fighting evacuation method, system, device and equipment |
| CN110570785A (en) * | 2019-08-30 | 2019-12-13 | 中水淮河规划设计研究有限公司 | Fire-fighting evacuation indicator lamp capable of displaying indication direction in flashing manner and intelligently adjusting direction |
| CN111261073A (en) * | 2020-03-17 | 2020-06-09 | 高路易航(北京)科技有限公司 | Tunnel escape induction system |
| CN111862489A (en) * | 2020-07-27 | 2020-10-30 | 安徽别格迪派标识系统有限公司 | Intelligent cabinet for bank |
| CN112492566A (en) * | 2020-11-17 | 2021-03-12 | 四川灵通电讯有限公司 | Fire-fighting emergency communication system and application method thereof |
| CN114463907A (en) * | 2021-12-31 | 2022-05-10 | 珠海雷特科技股份有限公司 | Fire evacuation guiding method and system |
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| CN108413364A (en) * | 2018-03-23 | 2018-08-17 | 中国十七冶集团有限公司 | A kind of intelligent emergent exit signs lighting system |
| CN108520712A (en) * | 2018-04-13 | 2018-09-11 | 广东工业大学 | A kind of fire-fighting evacuation method, system, device and equipment |
| CN110570785A (en) * | 2019-08-30 | 2019-12-13 | 中水淮河规划设计研究有限公司 | Fire-fighting evacuation indicator lamp capable of displaying indication direction in flashing manner and intelligently adjusting direction |
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| CN111862489A (en) * | 2020-07-27 | 2020-10-30 | 安徽别格迪派标识系统有限公司 | Intelligent cabinet for bank |
| CN112492566A (en) * | 2020-11-17 | 2021-03-12 | 四川灵通电讯有限公司 | Fire-fighting emergency communication system and application method thereof |
| CN114463907A (en) * | 2021-12-31 | 2022-05-10 | 珠海雷特科技股份有限公司 | Fire evacuation guiding method and system |
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Application publication date: 20151209 |