CN108087817A - Fire emergency lamp, system and method based on visible light communication - Google Patents
Fire emergency lamp, system and method based on visible light communication Download PDFInfo
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- CN108087817A CN108087817A CN201711467568.4A CN201711467568A CN108087817A CN 108087817 A CN108087817 A CN 108087817A CN 201711467568 A CN201711467568 A CN 201711467568A CN 108087817 A CN108087817 A CN 108087817A
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- 238000004891 communication Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000004807 localization Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 3
- 239000003550 marker Substances 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- 206010000369 Accident Diseases 0.000 description 2
- 230000031700 light absorption Effects 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/022—Emergency lighting devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
- F21V23/0464—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors the sensor sensing the level of ambient illumination, e.g. dawn or dusk sensors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0064—Health, life-saving or fire-fighting equipment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/16—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using electromagnetic waves other than radio waves
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Alarm Systems (AREA)
- Optical Communication System (AREA)
Abstract
The present invention provides a kind of fire emergency lamp based on visible light communication, and the fire emergency lamp includes：Main control module, power module, visible light communication module and light source module；The main control module is electrically connected with the visible light communication module；The visible light communication module is electrically connected with the light source module；The main control module, the visible light communication module and the light source module are electrically connected respectively with the power module.Present invention additionally comprises a kind of fire-fighting emergent system and methods based on visible light communication.The present invention solves the problems, such as that indoor occupant can not know indoor map, and indoor occupant is facilitated to check indoor map when fire-fighting accident occurs.
Description
Technical field
The present invention relates to fire-fighting domain, in particular to the fire emergency lamp based on visible light communication, system and side
Method.
Background technology
During generation fire, corridor power supply is cut off, and dense smoke is larger everywhere, it is seen that degree is low.When fire alarm occurs, fire-fighting emergent
Lamp can turn on light automatically, realize the illumination being cut off in power supply.Fire emergency lamp also can indicate that fire-fighting life-saving channel
Position.However, indoor occupant is in case of emergency, the information such as indoor map and fire escape, safety door can not be known.In addition,
The scene of a fire is in confused situation, full of smoke, and indoor occupant is difficult to find that object of reference to judge self-position, and walking about rashly is easily trapped into
Fiery point.
The problem of middle indoor occupant can not know indoor map, be difficult to judge self-position for the above-mentioned prior art, mesh
It is preceding not yet to propose effective solution.
The content of the invention
It is contemplated that above-mentioned technical problem is solved at least to a certain extent.
An embodiment of the present invention provides a kind of fire emergency lamp based on visible light communication, system and method, to solve room
Interior personnel can not know the problem of indoor map.
One side according to embodiments of the present invention provides a kind of fire emergency lamp based on visible light communication, described
Fire emergency lamp includes：
Main control module, power module, visible light communication module and light source module；The main control module and the visible light communication mould
Block is electrically connected；The visible light communication module is electrically connected with the light source module；The main control module, the visible light communication mould
Block and the light source module are electrically connected respectively with the power module.
In a kind of preferred scheme, the power module includes Switching Power Supply, accumulator；The Switching Power Supply and electric power storage
Pond is electrically connected；The input terminal access alternating current of the Switching Power Supply under alternating current normal operation, is disappeared by Switching Power Supply to be described
Anti- emergency light other component power supply, while charge to the accumulator；In the case where alternating current is cut off, by accumulator to for institute
State the power supply of fire emergency lamp other component.
In a kind of preferred scheme, the main control module includes controller and memory, the controller and memory
Electrical connection.
In a kind of preferred scheme, the light source module surface brightness is greater than or equal to 15cd/m2。
In a kind of preferred scheme, a kind of fire-fighting emergent system based on visible light communication, the system are additionally provided
Including the fire emergency lamp and visible light communication terminal, the visible light communication terminal includes：
It can be seen that Optical Receivers, for receiving optical signal and being converted to electric signal；
Display module, for showing indoor map information according to electric signal.
In a kind of preferred scheme, the visible light communication terminal further includes：
Locating module, for carrying out indoor positioning according to visible light signal；
The display module is additionally operable to that the visible light communication terminal location is labeled in indoor map information according to indoor positioning
In.
Other side according to embodiments of the present invention provides a kind of fire-fighting emergent method based on visible light communication：
Monitor power module state；
When monitoring that the alternating current for accessing the power module is cut off, indoor map information is obtained；
By the indoor map modulates information into driving electric signal；
Light source module is driven by the driving electric signal, the light source module is sent and carries the indoor map information
Visible light signal.
In a kind of preferred scheme, comprising floor structure in the indoor map information, and evacu-ation walk, safety are included
Outlet and or egress door station location marker.
It is described by being further included after the driving electric signal driving light source module step in a kind of preferred scheme：
The visible light signal of the indoor map information is carried described in reception；
The visible light signal is converted into electric signal and the indoor map is shown in screen.
In a kind of preferred scheme, the visible light signal carries light source identification number, described to believe the visible ray
It number is converted to electric signal and shows that the indoor map further includes in screen：
The tick lables of current light source is shown in the indoor map according to light source identification number.
In a kind of preferred scheme, the visible light signal is converted into electric signal and is gone back in screen after step display
Including：
Indoor positioning is carried out according to the visible light signal；
Current location is labeled in the indoor map.
In a kind of preferred scheme, the method for indoor positioning is carried out according to the visible light signal to be included：Based on arrival
Time difference（TDOA）Positioning, based on direction of arrival localization method, the localization method based on imaging sensor.
Compared with prior art, have the advantages of technical solution of the present invention：
1st, using visible light communication, substantial amounts of information is transferred using fire emergency lamp, in case of emergency user is made to obtain rapidly
Indoor map is obtained, to find emergency exit；
2nd, the position seen and obtain light source in map can be obtained by carrying light source identification number by visible light signal, pass through user
Light source position judges the orientation at place；
3rd, according to visible light signal progress indoor positioning is sent in fire emergency lamp, can accurately be obtained when fire-fighting accident occurs
It takes in user current location and indoors map and marks, user is facilitated to understand self-position, rapid evacuation at the first time.
The present invention solves the problems, such as that indoor map can not be known by solving indoor occupant in the prior art, provide a kind of side
Just the fire emergency lamp based on visible light communication, the system and method for indoor map are checked when fire-fighting accident occurs.
Description of the drawings
Fig. 1 is the fire emergency lamp structure diagram based on visible light communication of the embodiment of the present invention.
Fig. 2 is the fire-fighting emergent system structure diagram based on visible light communication of the embodiment of the present invention.
Fig. 3 is the visible light communication terminal structure schematic diagram of the embodiment of the present invention.
Fig. 4 is the fire-fighting emergent method flow diagram based on visible light communication of the embodiment of the present invention.
Fig. 5 is the fire-fighting emergent method flow diagram based on visible light communication of another embodiment of the present invention.
Fig. 6 is the fire-fighting emergent method flow diagram based on visible light communication of further embodiment of this invention.
Fig. 7 is the fire-fighting emergent method indoor positioning flow chart of steps based on visible light communication of the embodiment of the present invention.
Wherein：1st, fire emergency lamp；2nd, visible light communication terminal；101st, main control module；102nd, power module；103rd, it is visible
Optical communications module；104th, light source module；111st, Switching Power Supply；112nd, accumulator；201st, visible Optical Receivers；202nd, mould is shown
Block；203rd, locating module.
Specific embodiment
Attached drawing is only for illustration, it is impossible to be interpreted as the limitation to this patent.
Technical scheme is described further with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, one side according to embodiments of the present invention, provides a kind of fire emergency lamp based on visible light communication
1, the fire emergency lamp 1 includes：
Main control module 101, power module 102, visible light communication module 103 and light source module 104；The main control module 101 with
The visible light communication module 103 is electrically connected；The visible light communication module 103 is electrically connected with the light source module 104；It is described
Main control module 101, the visible light communication module 103 and the light source module 104 are electrically connected respectively with the power module 102
It connects.
Specifically, main control module 101 monitors 102 state of power module, monitors that alternating current is cut off in power module 102
When, main control module 101 obtain indoor map information, and by the indoor map modulates information into driving electric signal；Main control module
101 drive light source module 104 by the driving electric signal, send the light source module 104 and carry the indoor map
The visible light signal of information.
Using visible light communication, substantial amounts of information is transferred using fire emergency lamp, in case of emergency makes user rapid
Indoor map is obtained, to find emergency exit.
In specific implementation process, the power module 102 includes Switching Power Supply 111, accumulator 112；The switch electricity
Source 111 is electrically connected with accumulator 112；The input terminal access alternating current of the Switching Power Supply 111, under alternating current normal operation,
It is powered for the fire emergency lamp other component by Switching Power Supply 111, while charged to the accumulator 112；It is cut in alternating current
In the case of disconnected, by accumulator 112 to powering for the fire emergency lamp other component.
The on off state of alternating current can be monitored using Switching Power Supply, while power supply is provided for accumulator.
In specific implementation process, the main control module 101 includes controller and memory, the controller and memory
Electrical connection.Indoor map information is stored in the memory.Comprising floor structure in the indoor map information, and comprising thin
Scatter away, extra exit and or egress door station location marker.
The visible light communication module 103 includes D/A converting circuit, signal amplification circuit and driving circuit, and carrying is had family
After the electric signal of interior cartographic information enters the input terminal of visible light communication module 103, in order by D/A converting circuit, signal
Amplifying circuit and driving circuit are converted to driving electric signal.
In specific implementation process, 104 surface brightness of light source module is greater than or equal to 15cd/m2.The light of high brightness
Source module 104 can be such that light is propagated through dense smoke, not influence optical signal transmission.
The light source module sends the optical signal for carrying indoor map information under the driving of modulation signal.It is described
Light source module can be implemented as to send the luminescent device of visible light wave range optical signal, including light emitting diode, fluorescent tube, fluorescence
Lamp, mercury vapor lamp, high-pressure sodium lamp or metal halide lamp.
The present invention solves the problems, such as that indoor map can not be known by solving indoor occupant in the prior art, provide a kind of side
Just the fire emergency lamp based on visible light communication of indoor map is checked when fire-fighting accident occurs.
Embodiment 2
As shown in Fig. 2, other side according to embodiments of the present invention, additionally providing a kind of fire-fighting based on visible light communication should
Anxious system, the system comprises fire emergency lamp 1 described in embodiment 1 and visible light communication terminals 2.It is as shown in figure 3, described visible
Optical communication terminal 2 includes：
It can be seen that Optical Receivers 201, for receiving optical signal and being converted to electric signal；
Display module 202, for showing indoor map information according to electric signal.
The visible Optical Receivers includes optical lens and light-sensitive device, and optical signal is focused on light by the optical lens
The light absorption area of sensing device.Optical signal received by light absorption area is converted into electric signal by the light-sensitive device.It is described photosensitive
Device can be by including PIN photodiode, avalanche photodide, MSM photodiodes, electric charge coupler（CCD）
And the electrooptical device of camera is realized.Visible light communication signal can be obtained by taking the visible light communication terminal and shown
Show, can be implemented as the realization of the intelligent terminals such as general smart mobile phone, tablet computer, easy to use, cost is relatively low.
In specific implementation process, the visible light communication terminal 2 further includes：
Locating module 203, for carrying out indoor positioning according to visible light signal；
The display module 202 is additionally operable to that the visible light communication terminal location is labeled in indoor map according to indoor positioning
In information.
In specific implementation process, the method for indoor positioning is carried out according to the visible light signal to be included：During based on reaching
Between it is poor（TDOA）Positioning, based on direction of arrival localization method, the localization method based on imaging sensor.
Traditional location technology, such as satellite positioning tech, it is poor to can be potentially encountered satellite-signal indoors, can not position etc. and to ask
Topic.And WiFi location technologies, when security against fire accident occurs, WiFi power supplys are cut off, and can not be positioned using WiFi.According to disappearing
Visible light signal is sent in anti-emergency light and carries out indoor positioning, it can be accurate to obtain user's present bit when fire-fighting accident occurs
It puts and is marked indoors in map, user is facilitated to understand self-position, rapid evacuation at the first time.
The present invention solves the problems, such as that indoor map can not be known by solving indoor occupant in the prior art, provide a kind of side
Just the fire-fighting emergent system based on visible light communication of indoor map is checked when fire-fighting accident occurs.
Embodiment 3
As shown in figure 4, another aspect according to embodiments of the present invention, provides a kind of fire-fighting emergent based on visible light communication
Method：
S110：Monitor power module state；
S120：When monitoring that the alternating current for accessing the power module is cut off, indoor map information is obtained；
S130：By the indoor map modulates information into driving electric signal；
S140：Light source module is driven by the driving electric signal, the light source module is sent and carries the indoor map
The visible light signal of information.
Specifically, main control module monitoring power module state；Main control module is in the city for monitoring to access the power module
When electricity is cut off, indoor map information is obtained；Visible light communication module by the indoor map modulates information into driving electric signal；
Light source module is driven by the driving electric signal, the light source module is sent and carries the visible of the indoor map information
Optical signal.
In specific implementation process, comprising floor structure in the indoor map information, and go out comprising evacu-ation walk, safety
Mouthful and or egress door station location marker.
In specific implementation process, as shown in figure 5, described by being gone back after the driving electric signal driving light source module step
Including：
S150：The visible light signal of the indoor map information is carried described in reception；
S160：The visible light signal is converted into electric signal and the indoor map is shown in screen.
Specifically, it is seen that the visible light signal of the indoor map information is carried described in optical communication terminal reception；It can be seen that
The visible light signal is converted to electric signal and the indoor map is shown in screen by optical communication terminal.
In specific implementation process, as shown in fig. 6, the visible light signal carries light source identification number, it is described by described in
Visible light signal is converted to electric signal and shows that the indoor map further includes in screen：
S170：The tick lables of current light source is shown in the indoor map according to light source identification number.
Specifically, the indoor map includes light source identification number correspondence position information.After light source identification number is obtained, inquiry
The light source identification number correspondence position in map, and will be in the position display indoors map indoors.
The position seen and obtain light source in map can be obtained by carrying light source identification number by visible light signal, lead to user
Cross the orientation where light source position judges.
In specific implementation process, as shown in fig. 7, the visible light signal is converted to electric signal and is shown in screen
It is further included after step：
S180：Indoor positioning is carried out according to the visible light signal and obtains current location；
S190：Current location is labeled in the indoor map.
In specific implementation process, the method for indoor positioning is carried out according to the visible light signal to be included：During based on reaching
Between it is poor（TDOA）Positioning, based on direction of arrival localization method, the localization method based on imaging sensor.
Traditional location technology, such as satellite positioning tech, it is poor to can be potentially encountered satellite-signal indoors, can not position etc. and to ask
Topic.And WiFi location technologies, when security against fire accident occurs, WiFi power supplys are cut off, and can not be positioned using WiFi.According to disappearing
Visible light signal is sent in anti-emergency light and carries out indoor positioning, it can be accurate to obtain user's present bit when fire-fighting accident occurs
It puts and is marked indoors in map, user is facilitated to understand self-position, rapid evacuation at the first time.
The embodiment of the present invention solves the problems, such as that indoor map can not be known by solving indoor occupant in the prior art, be provided
A kind of convenience checks the fire-fighting emergent method based on visible light communication of indoor map when fire-fighting accident occurs.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (10)
1. a kind of fire emergency lamp based on visible light communication, which is characterized in that the fire emergency lamp includes：
Main control module, power module, visible light communication module and light source module；The main control module and the visible light communication mould
Block is electrically connected；The visible light communication module is electrically connected with the light source module；The main control module, the visible light communication mould
Block and the light source module are electrically connected respectively with the power module.
2. the fire emergency lamp according to claim 1 based on visible light communication, which is characterized in that the power module bag
Include Switching Power Supply, accumulator；The Switching Power Supply is electrically connected with accumulator；The input terminal access alternating current of the Switching Power Supply,
Under alternating current normal operation, powered by Switching Power Supply for the fire emergency lamp other component, while the accumulator is filled
Electricity；In the case where alternating current is cut off, by accumulator to powering for the fire emergency lamp other component.
3. the fire emergency lamp according to claim 2 based on visible light communication, which is characterized in that the main control module bag
Controller and memory are included, the controller is electrically connected with memory.
4. the fire emergency lamp according to claim 3 based on visible light communication, which is characterized in that the light source module table
Face brightness is greater than or equal to 15cd/m2.
5. a kind of fire-fighting emergent system based on visible light communication, which is characterized in that the system comprises visible light communication terminals
With the fire emergency lamp based on visible light communication described in one of Claims 1-4, the visible light communication terminal includes：
It can be seen that Optical Receivers, for receiving optical signal and being converted to electric signal；
Display module, for showing indoor map information according to electric signal.
6. the fire-fighting emergent system according to claim 5 based on visible light communication, which is characterized in that the visible ray leads to
Letter terminal further includes：
Locating module, for carrying out indoor positioning according to visible light signal；
The display module is additionally operable to that the visible light communication terminal location is labeled in indoor map information according to indoor positioning
In.
7. the fire-fighting emergent method according to claim 6 based on visible light communication, which is characterized in that the method bag
It includes：
Monitor power module state；
When monitoring that the alternating current for accessing the power module is cut off, indoor map information is obtained；
By the indoor map modulates information into driving electric signal；
Light source module is driven by the driving electric signal, the light source module is sent and carries the indoor map information
Visible light signal.
8. the fire-fighting emergent method according to claim 7 based on visible light communication, which is characterized in that described by described
It is further included after driving electric signal driving light source module step：
The visible light signal of the indoor map information is carried described in reception；
The visible light signal is converted into electric signal and the indoor map is shown in screen.
9. the fire-fighting emergent method according to claim 8 based on visible light communication, which is characterized in that the visible ray letter
Number light source identification number is carried, it is described that the visible light signal is converted into electric signal and the indoor map is shown in screen
It further includes：
The tick lables of current light source is shown in the indoor map according to light source identification number.
10. the fire-fighting emergent method according to claim 9 based on visible light communication, which is characterized in that will be described visible
Optical signal is converted to electric signal and is further included in screen after step display：
Indoor positioning is carried out according to the visible light signal；
Current location is labeled in the indoor map.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467568.4A CN108087817A (en) | 2017-12-29 | 2017-12-29 | Fire emergency lamp, system and method based on visible light communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711467568.4A CN108087817A (en) | 2017-12-29 | 2017-12-29 | Fire emergency lamp, system and method based on visible light communication |
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| CN108087817A true CN108087817A (en) | 2018-05-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108961656A (en) * | 2018-07-25 | 2018-12-07 | 河北工程大学 | A kind of emergency lamp apparatus and its control method with visible light communication system |
| CN110429980A (en) * | 2019-08-07 | 2019-11-08 | 北京亚鸿世纪科技发展有限公司 | Utilize the path indicating system of visible light communication |
| CN111988085A (en) * | 2019-05-24 | 2020-11-24 | Oppo广东移动通信有限公司 | LiFi-based communication method, device, terminal and emergency lighting equipment |
| CN112003646A (en) * | 2019-05-27 | 2020-11-27 | Oppo广东移动通信有限公司 | LiFi positioning based method, device and terminal |
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| CN205796291U (en) * | 2016-05-16 | 2016-12-14 | 北京蜂鸟视图科技有限公司 | Fire-fighting protection equipment |
| CN106908763A (en) * | 2016-12-28 | 2017-06-30 | 浙江海洋大学 | Localization method based on visible ray |
| CN207831198U (en) * | 2017-12-29 | 2018-09-07 | 佛山市幻云科技有限公司 | Fire emergency lamp based on visible light communication and system |
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| CN108961656A (en) * | 2018-07-25 | 2018-12-07 | 河北工程大学 | A kind of emergency lamp apparatus and its control method with visible light communication system |
| CN111988085A (en) * | 2019-05-24 | 2020-11-24 | Oppo广东移动通信有限公司 | LiFi-based communication method, device, terminal and emergency lighting equipment |
| CN111988085B (en) * | 2019-05-24 | 2022-05-20 | Oppo广东移动通信有限公司 | LiFi-based communication method, device, terminal and emergency lighting equipment |
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| CN110429980A (en) * | 2019-08-07 | 2019-11-08 | 北京亚鸿世纪科技发展有限公司 | Utilize the path indicating system of visible light communication |
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