CN110445540A - Fire-fighting equipment, wireless communication method and system applied to fire-fighting equipment - Google Patents
Fire-fighting equipment, wireless communication method and system applied to fire-fighting equipment Download PDFInfo
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- CN110445540A CN110445540A CN201910737193.1A CN201910737193A CN110445540A CN 110445540 A CN110445540 A CN 110445540A CN 201910737193 A CN201910737193 A CN 201910737193A CN 110445540 A CN110445540 A CN 110445540A
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72406—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by software upgrading or downloading
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
A kind of fire-fighting equipment, wireless communication method and system applied to fire-fighting equipment.Fire-fighting equipment of the invention can real-time monitor the state of self-operating by its internal operating status acquiring unit, and according to the coding rule of setting, by above-mentioned running state data coding, simultaneously control instructions lamp issues flash signal.The present invention outwardly transmits the information such as fire-fighting equipment number, device type, working condition after encoding by the flashing of indicator light.Staff can shoot above-mentioned light flash by mobile terminal, and each frame image in the video of shooting is analyzed and decoded by the APP realization built in mobile terminal, and final analysis obtains the information of fire-fighting equipment.The present invention directly passes through light light and shade variation transmitting data, and data encryption and decryption passes through the coding of fire-fighting equipment and mobile terminal respectively, decoding rule is directly realized by.Therefore the present invention is not necessarily to pre-establish networking, does not depend on external network, thus communication efficiency is higher, operates more convenient.
Description
Technical field
The present invention relates to fire-fighting domains, more particularly to a kind of fire-fighting equipment that can conveniently communicate wirelessly.
Background technique
The normal operation of fire-fighting equipment is the important leverage of the public security of the lives and property.Fire-fighting equipment is after the installation is completed, existing
Field staff needs to know whether equipment installation is correct；In fire-fighting equipment operational process, patrol officer, maintenance staff are also required to
Obtain the information such as the operating status of equipment.Therefore, its running state data must be realized by certain way on fire-fighting equipment
Interaction, transmission and communication.
At present staff scene obtain fire-fighting equipment information normal method there are two types of: first is that by with coordinative composition of equipments
The special peripheral equipments such as Lineside encoding unit or NFC, ZigBee and fire-fighting equipment carry out wired or wireless connection to obtain equipment letter
Breath；Another kind is the acquisition that facility information is carried out by the two dimensional code in scanning device or by modes such as WiFi connections.
However, above two mode is respectively present deficiency below: the first, using Lineside encoding unit or NFC, ZigBee
The mode of equal special peripheral equipments, staff need to carry special equipment and carry out data collection task to scene.However, due to
Fire-fighting equipment is many kinds of, and the mechanics of communication that each vendor equipment uses is not quite similar, therefore, actual use, maintenance process
In, staff may need to carry the acquisition that multiple, different peripheral is just able to achieve total data.Also, electronic code
The mode of device needs the bus by Lineside encoding unit and detected fire-fighting equipment to be attached to obtain data, and operation is not enough just
It is prompt.Although the equipment such as NFC, ZigBee, using wireless transmission, its hardware cost is higher.
It second, scans fire-fighting equipment two dimensional code or establishes the mode of WiFi connection, although such data interactive mode
The external equipment using profession is not needed, it is easy to operate, but since two dimensional code is fixed and invariable, so two dimensional code is merely able to
The information such as number, the type of recording equipment, it is desirable to which the specific works state for obtaining equipment still needs staff to pass through terminal
Equipment is connected to background server and can obtain.In such cases, the information such as operation data of fire-fighting equipment need remote in advance
On journey is uploaded onto the server.Establish the mode that WiFi connection carries out data interaction, it is also desirable to which fire-fighting system is networked.Above-mentioned skill
Art is although easy to accomplish, still, owner's unit that is higher for certain confidentiality requirements, not allowing external networking access, on
The use for stating mode still will receive obvious limitation.
Therefore, it is badly in need of a kind of scheme that can directly establish the wireless telecommunications between fire-fighting equipment at present.
Summary of the invention
In order to solve the shortcomings of the prior art, the purpose of the present invention is to provide a kind of fire-fighting equipment, it is applied to be somebody's turn to do
The wireless communication method and system of fire-fighting equipment.
Firstly, to achieve the above object, proposing a kind of fire-fighting equipment, comprising: execution unit is passed to acquire fire-fighting scene
Feel data or executes corresponding drill；Control unit, to export control signal to control the execution unit；Operating status
Acquiring unit, to obtain the running state information of the execution unit and/or described control unit；In above-mentioned fire-fighting equipment
Further include: coding unit, drive circuit of indicator and indicator light；The coding unit, at least to the operating status
Information is encoded according to preset coding rule, and generates encoded signal according to coding result, exports the encoded signal to described
Signal drive circuit；The drive circuit of indicator receives the encoded signal, according to the encoded signal output drive signal
It lights or extinguishes to control the indicator light；The indicator light is driven by the driving signal that the drive circuit of indicator exports
To issue light signal, the light signal is suitable for being shot by mobile terminal, and can by the mobile terminal according to institute
The corresponding mode of coding rule for stating coding unit decodes, to obtain the running state information.
Optionally, in above-mentioned fire-fighting equipment, the minimum duration that the indicator light is lit or extinguishes is at least the shifting
Dynamic terminal shoots 2 times of every 1 frame video institute interval time.
Optionally, in above-mentioned fire-fighting equipment, the mobile terminal includes: the smart phone for being integrated with camera, plate.
The mobile terminal is arranged to perform following steps: shooting the video that the indicator light is lit or extinguishes by camera；
The light signal that each frame is included in the video is obtained, the light signal includes: the state that indicator light is lit or extinguishes
And the duration that each state is lasting；According to mode corresponding with the coding rule of the coding unit to the light signal into
Row decoding, the running state information of the fire-fighting equipment is restored according to decoding result.
Secondly, to achieve the above object, it is also proposed that a kind of wireless communication method for fire-fighting equipment, step include: to disappear
Anti- equipment obtains the fortune of the execution unit and/or control unit in the fire-fighting equipment by the operating status acquiring unit in it
The running state information is sent to the coding unit in the fire-fighting equipment by row status information；The coding unit receives
The running state information, to the running state information and other information relevant to the fire-fighting equipment according to preset
Coding rule coding, and encoded signal is generated according to coding result, export the letter in the encoded signal to the fire-fighting equipment
Number driving circuit；The signal drive circuit receives the encoded signal, according to the encoded signal output drive signal to control
Make the when progress that the indicator light on the fire-fighting equipment is arranged between illuminating state and OFF state according to the encoded signal
Row switching；The camera that mobile terminal is connected through shoots the video that the indicator light is lit or extinguishes, by the video
It exports to the light signal reading unit in the mobile terminal；The light signal reading unit receives the video, obtains
The light signal that each frame is included in the video exports the light signal to the decoding unit in the mobile terminal；
The light signal includes: that indicator light is lit or the state extinguished and the lasting duration of each state；The decoding unit connects
The light signal is received, the light signal is solved according to mode corresponding with the coding rule of the coding unit
Code, the running state information of the fire-fighting equipment restored according to decoding result output and relevant to the fire-fighting equipment
Other information.
Optionally, in the above-mentioned means of communication, the step of coding specifically includes: step s1 receives information to be encoded, step
The information to be encoded is converted to the different elements in Morse code according to the rule of Morse code by rapid s2 one by one；
Step s3 generates encoded signal according to the different elements in above-mentioned Morse code are corresponding；The encoded signal is according to different members
Different durations are lighted or extinguished to the corresponding indicator light of element；Step s4 is exported described in the encoded signal.
Corresponding with above-mentioned coding method, the decoding step in the present invention is as follows: step t1 obtains each frame in the video
Image judges in each frame image that indicator light is in and lights or OFF state, according to adjacent each frame image judgement
The duration that indicator light is lighted or extinguished, with light signal included in the determination video；Step t2, according to described mole
The rule of this code determines the element in Morse code corresponding to the light signal；Step t3, according to the Morse
Element reduction in code goes out the running state information and other information relevant to the fire-fighting equipment of the fire-fighting equipment,
Export the information.
Optionally, in the above-mentioned means of communication, the duration that indicator light switches between illuminating state and OFF state is at least
For 80ms.
Meanwhile the present invention also provides a kind of communication system for fire-fighting equipment, which includes: to be arranged in fire-fighting equipment
On operating status acquiring unit, coding unit, signal drive circuit, indicator light；And be arranged in mobile terminal camera,
Light signal reading unit, decoding unit.The wherein operating status acquiring unit, to obtain holding in the fire-fighting equipment
The running state information is sent to the volume in the fire-fighting equipment by the running state information of row unit and/or control unit
Code unit；The coding unit, to receive the running state information, to the running state information and with the fire-fighting
The relevant other information of equipment is encoded according to preset coding rule, and generates encoded signal according to coding result, described in output
Signal drive circuit in encoded signal to the fire-fighting equipment；The signal drive circuit, to receive the encoded signal,
According to the encoded signal output drive signal to control the indicator light on the fire-fighting equipment in illuminating state and OFF state
Between according to the encoded signal setting duration switch over；The camera, to shoot the indicator light be lit or
The video of extinguishing exports the video to the light signal reading unit in the mobile terminal；The light signal is read
Unit obtains the light signal that each frame is included in the video receiving the video, by the light signal export to
Decoding unit in the mobile terminal；The light signal includes: the state and each state that indicator light is lit or extinguishes
Lasting duration；The decoding unit, to receive the light signal, according to opposite with the coding rule of the coding unit
The mode answered is decoded the light signal, according to the operating status for the fire-fighting equipment that decoding result output restores
Information and other information relevant to the fire-fighting equipment.
Optionally, in above-mentioned communication system, the coding rule of the coding unit includes Morse code, the coding
In rule, the frequency that indicator light is lit or extinguishes is no more than 12.5Hz.
Beneficial effect
The present invention proposes a kind of realize by light flash and is counted with cell phone application for the deficiency in existing scheme
According to the method and technique of exchange.Fire-fighting equipment, by the flashing state of a variety of indicator lights, is indicated according to one in the state of difference
The information such as device numbering and operating status after determining rule encoding.Field personnel is in the operation letter for needing to obtain some equipment
When breath, video capture is directly carried out by flashing state of the mobile terminals such as mobile phone to indicator light in equipment, by APP to indicator light
Flicker frequency, duration etc. be decoded according to certain rule, can be by corresponding device numbering and operating status etc. after decoding
Information feeds back to staff.The present invention can be directly realized by logical with fire-fighting equipment using mobile terminals such as mobile phones as a result,
News, do not need to carry dedicated external equipment, it is thus possible to effectively improve working efficiency.Using the fire-fighting system of this technology, by
It can directly be exported by way of visible light in external data, there is no need to network, the working condition of fire-fighting equipment can
To be transmitted according to after certain rule encoding from indicator light flash signal to outside, staff shoots indicator light using cell phone application
The flash signal of sending can be decoded by mobile phone, to get the number, device type, operating status of fire-fighting equipment
Etc. information.The present invention carries out local decoding operate by mobile phone, and Information Security is higher.System hardware of the invention realizes letter
Just, and cost can be effectively limited, is more applicable for the data transmission applications of this small data quantity of fire-fighting equipment.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, and with it is of the invention
Embodiment together, is used to explain the present invention, and is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the wireless telecommunication system according to the present invention for fire-fighting equipment；
Fig. 2 is the configuration diagram of fire-fighting equipment according to the present invention；
Fig. 3 is the step flow chart that fire-fighting equipment according to the present invention communicates wirelessly.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 1 is the schematic diagram of the wireless telecommunication system according to the present invention applied to fire-fighting equipment, and system includes: that fire-fighting is set
Mobile terminal that is standby and being communicated with the fire-fighting equipment, for example, mobile phone or plate.On the fire-fighting equipment, it is provided with
Operating status acquiring unit, coding unit, signal drive circuit, indicator light；The mobile terminal is connected with camera, and is arranged
There are light signal reading unit, decoding unit.
Fire-fighting equipment can real-time monitor the state of self-operating by above-mentioned operating status acquiring unit, according to setting
Fixed coding rule encodes and issues different control instructions to indicator light；Indicator light is used to receive what fire-fighting equipment was issued to it
Instruction, and flash signal can be issued according to different control instructions, fire-fighting equipment number, equipment after outwardly transmitting encodes
The information such as type, working condition；Mobile phone realizes that calling mobile phone camera believes the flashing that indicator light issues by the APP built in it
Number video capture is carried out, and each frame image in the video of shooting is analyzed and decoded after the shooting is finished, and will most
Analysis result feeds back to staff eventually.
Specifically, with reference to Fig. 2, fire-fighting equipment provided by the present invention includes: execution unit 1, existing to acquire fire-fighting
Field sensing data executes corresponding drill；Control unit 2, to export control signal to control the execution unit；Fortune
Row state acquiring unit 3, to obtain the running state information of the execution unit and/or described control unit；Above-mentioned disappears
In anti-equipment further include: coding unit 4, drive circuit of indicator 5 and indicator light 6；The coding unit, at least to institute
It states running state information to encode according to preset coding rule, and encoded signal is generated according to coding result, export the coding
Signal is to the signal drive circuit；The drive circuit of indicator receives the encoded signal, defeated according to the encoded signal
Driving signal is lighted or is extinguished to control the indicator light out；The indicator light, the drive exported by the drive circuit of indicator
To issue light signal, the light signal is suitable for being shot by mobile terminal for dynamic signal driving, and can be by described mobile whole
End is decoded according to mode corresponding with the coding rule of the coding unit, to obtain the running state information.
Already described above, proposed by the invention realized by light flash realizes fire-fighting equipment number with cell phone application
According to the method and technique of exchange, the mode of light flash transmitting information used in the technology is similar to Morse code.
Morse code is a kind of signal code being on or off, and code includes five kinds: point is drawn, the pause between click and sweep, word
Between pause and sentence between long pause.By it is different put in order express different English alphabets, number and
Punctuation mark.This motion also defines the rule of equipment light flash, fire-fighting equipment in the state of difference control instructions lamp into
The light on and off of row different time length indicate the information such as its working condition.Staff carries out pilot light using cell phone application
Video capture, is then decoded indicator light flash signal by APP, and decoded information is fed back to staff.At present
Essentially all of mobile phone is minimum in the case where all supporting the video capture of 30fps, frame per second to fluctuate also to can achieve 25fps, this
In 25fps be exactly mobile phone shooting video frame per second.1 frame is exactly a static image, and 25fps is exactly mobile phone bat every second
25 frame pictures are taken the photograph, 25 frame pictures continuously play in one second and form video.Very brief point signal " " in Morse code is read
" drop " (Di)；The long signal "-" of certain time is kept, is read " clatter " (Da).Interval time: drop, 1t；Clatter, 3t；Between ticktack, 1t；
Intercharacter, 3t；Between word, 7t.Similar therewith that video is shot in the case where 25fps, the time interval of each frame is 40ms, in order to
Loss of data when avoiding sampling, according to sampling thheorem, sample frequency should be greater than 2 times of highest frequency in signal, therefore here
The minimum unit time t of indicator light flashing needs to be greater than 80ms.Cell phone application is by the analysis to each frame image after shooting video
And the information for showing that flash signal indicates is decoded, feed back to staff.
Above-mentioned fire plant is to realize data interaction as a result, and specific steps can refer to Fig. 3:
(1) fire-fighting equipment monitors operating status by the sensor of itself；
(2) fire-fighting equipment can be issued to indicator light according to itself different operating status and be encoded according to certain rule
Control command afterwards；
(3) indicator light issues flash signal according to different control commands, outward the facility information after transmitting coding；
(4) staff carries out video capture to flash signal using cell phone application；
(5) cell phone application analyzes video image, decodes acquisition facility information, and analysis result is fed back to work people
Member.
The advantages of technical solution of the present invention, is mainly reflected in:
1, this motion carries out the data exchange between fire-fighting equipment and cell phone application by the way of light flash, according to setting
For different operating statuses and by way of similar Morse code, the flashing that control instructions lamp carries out different time length comes
Facility information after transmitting coding.
2, the present invention by cell phone application to flash signal carry out video capture, and to each frame image information of video into
Row analysis and decoding, parse the facility information that flash signal is transmitted, feed back to staff.
3, in view of the frame per second of mobile phone shooting video is in 25fps or more, 25 frame still images is at least shot each second, that is, are schemed
As refreshing each second 25 times or more, refresh interval is less than or equal to 40ms, so in order to avoid losing information between two field pictures,
According to sampling thheorem, sample frequency is greater than 2 times of highest frequency in signal, and the minimum interval t of indicator light flashing needs
Greater than 80ms.
Those of ordinary skill in the art will appreciate that: the foregoing is only a preferred embodiment of the present invention, and does not have to
In the limitation present invention, although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art
For, still can to foregoing embodiments record technical solution modify, or to part of technical characteristic into
Row equivalent replacement.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should all include
Within protection scope of the present invention.
Claims (9)
1. a kind of fire-fighting equipment, comprising:
Execution unit, to acquire fire-fighting live sensing data or execute corresponding drill；
Control unit, to export control signal to control the execution unit；
Operating status acquiring unit, to obtain the running state information of the execution unit and/or described control unit；
It is characterized by further comprising: coding unit, drive circuit of indicator and indicator light；
The coding unit, at least being encoded to the running state information according to preset coding rule, and according to coding
As a result encoded signal is generated, exports the encoded signal to the signal drive circuit；
The drive circuit of indicator receives the encoded signal, according to the encoded signal output drive signal to control
Indicator light is stated to light or extinguish；
The indicator light, the driving signal exported by the drive circuit of indicator drive to issue light signal, the light
Signal is suitable for being shot by mobile terminal, and can be by the mobile terminal according to opposite with the coding rule of the coding unit
The mode answered decodes, to obtain the running state information.
2. fire-fighting equipment as described in claim 1, which is characterized in that the minimum duration that indicator light is lit or extinguishes is at least
The mobile terminal shoots 2 times of every 1 frame video institute interval time.
3. fire-fighting equipment as claimed in claim 2, which is characterized in that the mobile terminal includes: the intelligence for being integrated with camera
Energy mobile phone, plate,
The mobile terminal is arranged to perform following steps:
The video that the indicator light is lit or extinguishes is shot by camera；
The light signal that each frame is included in the video is obtained, the light signal includes: that indicator light is lit or extinguishes
State and the lasting duration of each state；
The light signal is decoded according to mode corresponding with the coding rule of the coding unit, is tied according to decoding
Fruit restores the running state information of the fire-fighting equipment.
4. being applied to the wireless communication method of the fire-fighting equipment as described in claims 1 to 3 is any, which is characterized in that step includes:
Fire-fighting equipment obtains execution unit and/or control list in the fire-fighting equipment by the operating status acquiring unit in it
The running state information of member, is sent to the coding unit in the fire-fighting equipment for the running state information；
The coding unit receives the running state information, to the running state information and related to the fire-fighting equipment
Other information encoded according to preset coding rule, and according to coding result generate encoded signal, export the encoded signal
Signal drive circuit in the fire-fighting equipment；
The signal drive circuit receives the encoded signal, and described disappear is controlled according to the encoded signal output drive signal
Indicator light in anti-equipment switches between illuminating state and OFF state according to the duration that the encoded signal is arranged；
The camera that mobile terminal is connected through shoots the video that the indicator light is lit or extinguishes, and the video is exported
Light signal reading unit in the mobile terminal；
The light signal reading unit receives the video, the light signal that each frame is included in the video is obtained, by institute
Light signal is stated to export to the decoding unit in the mobile terminal；The light signal includes: that indicator light is lit or extinguishes
State and the lasting duration of each state；
The decoding unit receives the light signal, according to mode corresponding with the coding rule of the coding unit to institute
Light signal is stated to be decoded, the running state information of the fire-fighting equipment that is restored according to decoding result output and with institute
State the relevant other information of fire-fighting equipment.
5. wireless communication method as claimed in claim 4, which is characterized in that the step of coding includes:
Step s1 receives information to be encoded,
Step s2 is one by one converted to the information to be encoded in Morse code not according to the rule of Morse code
Same element；
Step s3 generates encoded signal according to the different elements in above-mentioned Morse code are corresponding；The encoded signal is not according to
Indicator light, which is corresponded to, with element lights or extinguish different durations；
Step s4 exports the encoded signal.
6. wireless communication method as claimed in claim 4, which is characterized in that the step of decoding includes:
Step t1 obtains each frame image in the video, judges in each frame image that indicator light is in and lights or extinguish shape
State judges the duration that the indicator light is lighted or extinguished according to adjacent each frame image, included in the determination video
Light signal；
Step t2, according to the rule of the Morse code determine the light signal corresponding to member in Morse code
Element；
Step t3, according to the element reduction in the Morse code go out the fire-fighting equipment running state information and with institute
The relevant other information of fire-fighting equipment is stated, the information is exported.
7. the wireless communication method as described in claim 4 to 6, which is characterized in that indicator light is in illuminating state and OFF state
Between the duration that switches be at least 80ms.
8. being applied to the wireless telecommunication system of the fire-fighting equipment as described in claims 1 to 3 is any, which is characterized in that including setting
Operating status acquiring unit on fire-fighting equipment, coding unit, signal drive circuit, indicator light；And setting is mobile whole
The camera at end, light signal reading unit, decoding unit；The operating status acquiring unit is set to obtain the fire-fighting
The running state information of standby interior execution unit and/or control unit, is sent to the fire-fighting for the running state information and sets
Standby interior coding unit；
The coding unit is set to receive the running state information to the running state information and with the fire-fighting
Standby relevant other information is encoded according to preset coding rule, and generates encoded signal according to coding result, exports the volume
Signal drive circuit in code signal to the fire-fighting equipment；
The signal drive circuit, to receive the encoded signal, according to the encoded signal output drive signal to control
Indicator light on the fire-fighting equipment carries out between illuminating state and OFF state according to the duration of encoded signal setting
Switching；
The camera, the video for being lit or extinguishing to shoot the indicator light export the video to the movement
Light signal reading unit in terminal；
The light signal reading unit obtains the light signal that each frame is included in the video receiving the video,
The light signal is exported to the decoding unit in the mobile terminal；The light signal include: indicator light be lit or
The state of extinguishing and the lasting duration of each state；
The decoding unit, to receive the light signal, according to side corresponding with the coding rule of the coding unit
Formula is decoded the light signal, according to the running state information of the fire-fighting equipment that decoding result output restores with
And other information relevant to the fire-fighting equipment.
9. wireless telecommunication system as claimed in claim 8, which is characterized in that the coding rule of the coding unit includes mole
This code, in the coding rule, the frequency that indicator light is lit or extinguishes is no more than 12.5Hz.
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| CN112069041A (en) * | 2020-09-30 | 2020-12-11 | 中孚安全技术有限公司 | Physical isolation data transmission teaching method and system based on hard disk indicator lamp |
| CN112312620A (en) * | 2020-11-02 | 2021-02-02 | 桂林电子科技大学 | Industrial data acquisition method in physical isolation device by controlling optical signal |
| CN113074783A (en) * | 2021-04-08 | 2021-07-06 | 电掣物联网技术(深圳)有限公司 | Lighthouse type industrial equipment monitoring method and device |
| CN114545818A (en) * | 2022-02-10 | 2022-05-27 | 四川创智联恒科技有限公司 | Method and device for displaying running state of equipment |
| CN115567480A (en) * | 2022-09-20 | 2023-01-03 | 赵圣哲 | Jewelry equipment with intelligent reminding and social function and social network system |
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