CN206301447U - Full fiber type tunnel fire hazard detection device - Google Patents
Full fiber type tunnel fire hazard detection device Download PDFInfo
- Publication number
- CN206301447U CN206301447U CN201620887889.4U CN201620887889U CN206301447U CN 206301447 U CN206301447 U CN 206301447U CN 201620887889 U CN201620887889 U CN 201620887889U CN 206301447 U CN206301447 U CN 206301447U
- Authority
- CN
- China
- Prior art keywords
- fire
- bragg grating
- fiber
- fiber bragg
- alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 50
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 23
- 238000012544 monitoring process Methods 0.000 abstract description 21
- 238000005259 measurement Methods 0.000 abstract description 7
- 230000002265 prevention Effects 0.000 abstract description 6
- 238000004861 thermometry Methods 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 6
- 238000001069 Raman spectroscopy Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000747 cardiac effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
- Fire Alarms (AREA)
Abstract
Include Fiber Bragg Grating Sensor Array, fiber Bragg grating (FBG) demodulator and fire alarm control unit the utility model discloses a kind of full fiber type tunnel fire hazard detection device, the Fiber Bragg Grating Sensor Array includes the fiber-optic grating sensor of multiple series connection.The Fiber Bragg Grating Sensor Array is used for the drift value of inspection center's wavelength；The fiber Bragg grating (FBG) demodulator is used to be obtained according to the drift value of the centre wavelength variable quantity of environment temperature；The fire alarm control unit is used to produce alarm signal when the variable quantity of the environment temperature is more than default alarm threshold value.The drift value that the technical scheme that the utility model is provided passes through fiber-optic grating sensor inspection center wavelength, with high certainty of measurement and antijamming capability.The utility model provide fire detecting arrangement monitoring distance is long, the response time fast, the laying of fiber-optic grating sensor is flexible, is the ideal chose for being applied to the fields such as tunnel fire-fighting, oil depot fire prevention and power equipment temperature monitoring.
Description
Technical field
The utility model is related to technical field of fire control, more particularly to a kind of full fiber type tunnel fire hazard detection device.
Background technology
Tunnel as the great basic facility of modern society, in the traffic engineering project construction such as highway, railway, subway
Important role is play, round-the-clock, real-time, accurate fire monitoring is carried out to tunnel to ensureing the life security and property of people
Safety is significant.At present, being widely used in the technology of tunnel fire hazard alarm has temperature sensing cable thermometry and Raman to dissipate
Penetrate thermometry.
The cost of existing temperature sensing cable thermometry is relatively low, but setting in temperature alarming point, is accurately positioned fire
There are problems in the aspects such as position, long range continuous monitoring, therefore traditional temperature sensing cable thermometry cannot meet reality
In engineering the need for fire monitoring.Raman scattering thermometry can carry out the distributed, temperature monitoring of long range, but Raman
Scattering thermometry is to realize temperature based on stokes light and anti-Stokes light faint in spontaneous Raman scattering effect
Measurement, easily being risen and fallen by light source is influenceed, therefore requirement of the Raman scattering thermometry to light source is very strict, causes light source
It is relatively costly.
Utility model content
To solve the above problems, the utility model provides a kind of full fiber type tunnel fire hazard detection device, at least partly solution
Certainly existing fire alarm technology accuracy is high and problem of high cost.
Therefore, the utility model provides a kind of full fiber type tunnel fire hazard detection device, including fiber-optic grating sensor battle array
Row, fiber Bragg grating (FBG) demodulator and fire alarm control unit, the Fiber Bragg Grating Sensor Array include the optical fiber of multiple series connection
Grating sensor, the Fiber Bragg Grating Sensor Array is connected with the fiber Bragg grating (FBG) demodulator, the fiber Bragg grating (FBG) demodulator
It is connected with the fire alarm control unit；
The Fiber Bragg Grating Sensor Array is used for the drift value of inspection center's wavelength；
The fiber Bragg grating (FBG) demodulator is used to be obtained according to the drift value of the centre wavelength variable quantity of environment temperature；
The fire alarm control unit is used to be produced when the variable quantity of the environment temperature is more than default alarm threshold value
Alarm signal.
Optionally, the fiber-optic grating sensor is carried out double cables and is staggered.
Optionally, the fiber Bragg grating (FBG) demodulator is used to send incident light, while receiving reflected light.
Optionally, also including industrial computer, the industrial computer respectively with the fiber Bragg grating (FBG) demodulator and described
Fire alarm control unit is connected；
The industrial computer is used for display alarm information.
Optionally, the warning message includes type of alarm, time of fire alarming and alert locations.
Optionally, the alarm signal is sound and light alarm signal.
Optionally, also including manual pull station, the manual pull station is used to receive the pressing of Field Force, with to
The fire alarm control unit sends triggering alarm signal；
The fire alarm control unit is used to produce alarm signal according to the triggering alarm signal.
Optionally, the fire alarm control unit is used to receive the fiber Bragg grating (FBG) demodulator and the manual pull station
Triggering alarm signal, while by it is described triggering alarm signal be transferred to the industrial computer.
Optionally, also including wireless communication module, the wireless communication module is connected with the industrial computer；
The wireless communication module is used to that warning message to be sent into operating personnel by mobile phone short messages.
Optionally, also including internet communication module, the internet communication module is connected with the industrial computer；
The internet communication module is used to that warning message to be sent into operating personnel by E-mail mode.
The utility model has following beneficial effects：
The full fiber type tunnel fire hazard detection device that the utility model is provided includes Fiber Bragg Grating Sensor Array, optical fiber light
Grid (FBG) demodulator and fire alarm control unit, the Fiber Bragg Grating Sensor Array include the optical fiber grating sensing of multiple series connection
Device, the Fiber Bragg Grating Sensor Array is connected with the fiber Bragg grating (FBG) demodulator, the fiber Bragg grating (FBG) demodulator and the fire
Calamity alarm controller is connected；The Fiber Bragg Grating Sensor Array is used for the drift value of inspection center's wavelength；The fiber grating
(FBG) demodulator is used to be obtained according to the drift value of the centre wavelength variable quantity of environment temperature；The fire alarm control unit is used for
Alarm signal is produced when the variable quantity of the environment temperature is more than default alarm threshold value.The technical side that the utility model is provided
The drift value that case passes through fiber-optic grating sensor inspection center wavelength, with high certainty of measurement and antijamming capability.This reality
With the full fiber type tunnel fire hazard detection device monitoring distance of new offer is long, the response time fast, the cloth of fiber-optic grating sensor
It is the ideal chose for being applied to the fields such as tunnel fire-fighting, oil depot fire prevention and power equipment temperature monitoring if flexible.
Brief description of the drawings
Fig. 1 is a kind of structural representation of full fiber type tunnel fire hazard detection device that the utility model embodiment one is provided
Figure.
Specific embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality
It is described in detail with the full fiber type tunnel fire hazard detection device of new offer.
Embodiment one
Fig. 1 is a kind of structural representation of full fiber type tunnel fire hazard detection device that the utility model embodiment one is provided
Figure.As shown in figure 1, the full fiber type tunnel fire hazard detection device includes Fiber Bragg Grating Sensor Array 1, fiber grating demodulation
Instrument 2, industrial computer 3, fire alarm control unit 4, manual pull station 7, wireless communication module 5 and internet communication module 6.
The Fiber Bragg Grating Sensor Array 1 is connected by FC/APC interfaces and optical cable with the fiber Bragg grating (FBG) demodulator 2, fiber grating
(FBG) demodulator 2 is connected by serial ports, USB interface etc. with industrial computer 3, and industrial computer 3 passes through serial ports and fire alarming and controlling
Device 4 is connected, and fire alarm control unit 4 is connected with manual pull station 5, and wireless communication module 6 and internet communication module 7 are distinguished
It is connected with industrial computer 3.The drift that the technical scheme that the present embodiment is provided passes through fiber-optic grating sensor inspection center wavelength
Amount, with high certainty of measurement and antijamming capability.The full fiber type tunnel fire hazard detection device monitoring that the present embodiment is provided
Distance, response time are fast, and the laying of fiber-optic grating sensor is flexible, be applied to tunnel fire-fighting, oil depot fire prevention and
The ideal chose in the fields such as power equipment temperature monitoring.
In the present embodiment, the Fiber Bragg Grating Sensor Array 1 is used for the drift value of inspection center's wavelength；The optical fiber light
Grid (FBG) demodulator 2 is used to be obtained according to the drift value of the centre wavelength variable quantity of environment temperature；The fire alarm control unit 4
For producing alarm signal when the variable quantity of the environment temperature is more than default alarm threshold value.The present embodiment is passed with optical fiber
Sense technology realizes the full fiber type fire monitoring in tunnel, and the Fiber Bragg Grating Sensor Array using pure light net is single as basic detection
Unit, and optical signal transmission is realized by optical cable.Therefore, the technical scheme that the present embodiment is provided has passive, not dry by electromagnetism
The features such as disturbing, not receiving influence of fire, over long distances transmission and fast response time.
In the present embodiment, the Fiber Bragg Grating Sensor Array 1 is temperature element, by two or more difference centre wavelength
Fiber-optic grating sensor concatenates to be formed by transmission cable.The fiber-optic grating sensor that the present embodiment is provided is carried out double cables and is interlocked cloth
If so as to avoid monitoring blind area, preventing false alarm and failing to report the generation of alert phenomenon.
Referring to Fig. 1, it is the offer light source of Fiber Bragg Grating Sensor Array 1 that the effect of the fiber Bragg grating (FBG) demodulator 2 is, while
Optical signal to sensor reflection is demodulated.The industrial computer 3 is used for display alarm interface.When there is alarm, report
The relevant informations such as police circles face display alarm type, time of fire alarming and alert locations.Therefore, the industry calculating that the present embodiment is provided
Machine 3 and fire alarm control unit 4 cooperate, when there is fire to occur in tunnel, industrial computer 3 display warning message with
The sound and light alarm signal that fire alarm control unit 4 sends occurs simultaneously, and real-time response is accomplished conscientiously.The full light that the present embodiment is provided
Fine type tunnel fire hazard detection device still has fire alarm function in the case of equipment fault or damage, when full fiber type tunnel
When fire detecting arrangement has failure alarm signal, for the fire condition for happening suddenly, preferential fire alarm, and fire is only carried out
Alarm.
The drift of the technical scheme foundation fiber grating sensor wavelength that the present embodiment is provided, will used as temperature basis for estimation
Tunnel is divided into multiple area of fire protection, there is many monitoring points in different area of fire protection.That is, the tunnel top in area of fire protection
Portion lays many sensors by the way of double cables interlock, and the corresponding centre wavelength of sensor is differed, generally monitoring
The reflection wavelength of the sensor of point is equal to sensor corresponding centre wavelength in the region.What fiber Bragg grating (FBG) demodulator 2 sent
Laser beam is scanned to Fiber Bragg Grating Sensor Array 1, the reflected light signal of Fiber Bragg Grating Sensor Array 1, optical fiber light
2 pairs of optical signals being reflected back of grid (FBG) demodulator are demodulated, and obtain centre wavelength value.If detecting the middle cardiac wave of a certain sensor
It is long to drift about, show that the ambient temperature value in the detection zone changes.If the change of temperature has exceeded default report
Alert threshold value, triggering fire alarm control unit 4 produces sound and light alarm signal, while the display of the automatic spring picture of industrial computer 3 is closed
In the details of alarm, and warning message is sent to staff in the way of SMS and Email.Additionally, existing
Field personnel have found concrete on fire, press manual pull station 7, and manual pull station 7 sends alarm signal to fire alarm control unit 4
Number, manual alarm and automatic alarm cooperate, and reach the purpose that fire early finds early treatment, prevent trouble before it happens.
In the present embodiment, the fire alarm control unit 4 is used to receive the hand in fiber Bragg grating (FBG) demodulator 2 and this section of tunnel
The alarm signal of dynamic alarm button 7, then the signal for receiving is sent to by serial ports by industrial computer 3.When temperature exceedes alarm
During threshold value, fire alarm control unit 4 exports sound and light alarm signal and other control signals.In addition, Field Force has found concrete on fire,
Manual pull station 7 can be manually pressed, alarm signal is sent to fire alarm control unit 4 immediately, fire alarm control unit 4 connects
After receiving alarm signal, numbering and position in the display manual pull station of industrial computer 3 are simultaneously emitted by sound and light alarm letter
Number.The drift value that the technical scheme that the present embodiment is provided passes through fiber-optic grating sensor inspection center wavelength, with high survey
Accuracy of measurement and antijamming capability.The present embodiment provide full fiber type tunnel fire hazard detection device monitoring distance is long, the response time
Hurry up, the laying of fiber-optic grating sensor is flexible, be to be applied to tunnel fire-fighting, oil depot fire prevention and power equipment temperature monitoring
Deng the ideal chose in field.
In the present embodiment, the wireless communication module 5 and internet communication module 6 are by SMS and Email
Warning message is sent to staff by mode, while staff can also be to this full fiber type tunnel fire hazard detection device reality
Row remote monitoring.The internet communication module 6 that the present embodiment is provided can distribute independent IP address to form LAN, convenient
User carries out remote operation.When there is the information such as failure and alarm in equipment, mailbox of the industrial computer 3 from trend staff
Send the Email comprising the content such as equipment fault and alarm.Meanwhile, the wireless communication module 5 that the present embodiment is provided passes through
The relevant information such as the failure of equipment and alarm is sent to GSM communication modes the mobile phone of staff in the form of SMS.
Among practical application, Field Force has found concrete on fire, presses manual pull station 7, and manual pull station 7 is to fire
Calamity alarm controller 4 sends alarm signal, after fire alarm control unit 4 receives alarm signal, hand is shown in industrial computer 3
The numbering of dynamic alarm button and position, are simultaneously emitted by sound and light alarm signal.The wireless communication module 5 and internet communication module
Fire information is sent to staff by 6 in the way of SMS and Email, is accomplished fire information conscientiously to calculate
Machine shows, send sound and light alarm signal, send SMS informs staff with the advice method of Email.
The technical scheme that the present embodiment is provided can be used alone, it is achieved thereby that tunnel temperature collection and fire alarm,
Can also by the fire-fighting link such as switching value, RS232/485, Ethernet interface interface and spraying temperature lowering apparatus, extinguishing device or its
He connects fire control system, so as to realize more multi-functional.Therefore, the technical scheme that the present embodiment is provided has high measurement
Precision and antijamming capability, and monitoring distance is long, the response time, sensor was laid flexibly and easily soon, in the absence of monitoring blind area,
It is the ideal chose for being applied to the fields such as tunnel fire-fighting, oil depot fire prevention and power equipment temperature detection.
The full fiber type tunnel fire hazard detection device that the present embodiment is provided includes Fiber Bragg Grating Sensor Array, fiber grating
(FBG) demodulator and fire alarm control unit, the Fiber Bragg Grating Sensor Array include the fiber-optic grating sensor of multiple series connection,
The Fiber Bragg Grating Sensor Array is connected with the fiber Bragg grating (FBG) demodulator, the fiber Bragg grating (FBG) demodulator and the fire report
Alert controller connection；The Fiber Bragg Grating Sensor Array is used for the drift value of inspection center's wavelength；The fiber grating demodulation
Instrument is used to be obtained according to the drift value of the centre wavelength variable quantity of environment temperature；The fire alarm control unit is used to work as institute
The variable quantity for stating environment temperature produces alarm signal when being more than default alarm threshold value.The technical scheme that the present embodiment is provided passes through
The drift value of fiber-optic grating sensor inspection center wavelength, with high certainty of measurement and antijamming capability.The present embodiment is carried
The full fiber type tunnel fire hazard detection device monitoring distance of confession is long, the response time is fast, the flexible side of the laying of fiber-optic grating sensor
Just, it is the ideal chose that is applied to tunnel fire-fighting, oil depot fire prevention and the field such as power equipment temperature monitoring.
It is understood that embodiment of above be merely to illustrate that principle of the present utility model and use it is exemplary
Implementation method, but the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, and these variations and modifications are also considered as this reality
With new protection domain.
Claims (1)
1. a kind of full fiber type tunnel fire hazard detection device, it is characterised in that including Fiber Bragg Grating Sensor Array, fiber grating
(FBG) demodulator and fire alarm control unit, the Fiber Bragg Grating Sensor Array include the fiber-optic grating sensor of multiple series connection,
The Fiber Bragg Grating Sensor Array is connected with the fiber Bragg grating (FBG) demodulator, the fiber Bragg grating (FBG) demodulator and the fire report
Alert controller connection；
The Fiber Bragg Grating Sensor Array is used for the drift value of inspection center's wavelength；
The fiber Bragg grating (FBG) demodulator is used to be obtained according to the drift value of the centre wavelength variable quantity of environment temperature；
The fire alarm control unit is used to produce alarm when the variable quantity of the environment temperature is more than default alarm threshold value
Signal；
The fiber-optic grating sensor is carried out double cables and is staggered；
The fiber Bragg grating (FBG) demodulator is used to send incident light, while receiving reflected light；
Also include industrial computer, the industrial computer respectively with the fiber Bragg grating (FBG) demodulator and the fire alarming and controlling
Device is connected；
The industrial computer is used for display alarm information；
The warning message includes type of alarm, time of fire alarming and alert locations；
The alarm signal is sound and light alarm signal；
Also include manual pull station, the manual pull station is used to receive the pressing of Field Force, with to the fire report
Alert controller sends triggering alarm signal；
The fire alarm control unit is used to produce alarm signal according to the triggering alarm signal；
The fire alarm control unit is used to receive the triggering alarm of the fiber Bragg grating (FBG) demodulator and the manual pull station
Signal, while the triggering alarm signal is transferred into the industrial computer；
Also include wireless communication module, the wireless communication module is connected with the industrial computer；
The wireless communication module is used to that warning message to be sent into operating personnel by mobile phone short messages；
Also include internet communication module, the internet communication module is connected with the industrial computer；
The internet communication module is used to that warning message to be sent into operating personnel by E-mail mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620887889.4U CN206301447U (en) | 2016-08-16 | 2016-08-16 | Full fiber type tunnel fire hazard detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620887889.4U CN206301447U (en) | 2016-08-16 | 2016-08-16 | Full fiber type tunnel fire hazard detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301447U true CN206301447U (en) | 2017-07-04 |
Family
ID=59202034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620887889.4U Expired - Fee Related CN206301447U (en) | 2016-08-16 | 2016-08-16 | Full fiber type tunnel fire hazard detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301447U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830890A (en) * | 2017-10-17 | 2018-03-23 | 上海潮旅信息科技股份有限公司 | A kind of tunnel safety monitoring system based on fibre optical sensor |
| CN108305429A (en) * | 2018-01-27 | 2018-07-20 | 上海腾盛智能安全科技股份有限公司 | A kind of tunnel fire detection system and its fiber grating detector |
-
2016
- 2016-08-16 CN CN201620887889.4U patent/CN206301447U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107830890A (en) * | 2017-10-17 | 2018-03-23 | 上海潮旅信息科技股份有限公司 | A kind of tunnel safety monitoring system based on fibre optical sensor |
| CN108305429A (en) * | 2018-01-27 | 2018-07-20 | 上海腾盛智能安全科技股份有限公司 | A kind of tunnel fire detection system and its fiber grating detector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103616089B (en) | A kind of optical fiber temperature vibration sensor and comprehensive monitoring system and method | |
| CN111063174B (en) | Pipeline line safety early warning system based on distributed optical fiber sensing | |
| EP3321901A1 (en) | Distributed optical fiber perimeter security system, and sound restoration system and method | |
| CN201191221Y (en) | Disturbance signal determination module of distributed optical fiber vibration sensor system | |
| KR101951119B1 (en) | Danger warning apparatus of construction site | |
| EP3380865A1 (en) | Worksite safety device using lidar | |
| CN102997861A (en) | High-speed rail side-slope slide state real-time monitoring system based on distributed optical strain sensing | |
| CN105486243A (en) | Bridge flexibility monitoring system based on visible light imaging technology | |
| CN109541715B (en) | Railway foreign matter invasion safety sensing and identifying system based on distributed optical fiber sensing | |
| CN206301447U (en) | Full fiber type tunnel fire hazard detection device | |
| CN106600911A (en) | Scaffold safety monitoring and early warning system | |
| KR20090120032A (en) | Fire information detection device using optical fiber | |
| CN103837245A (en) | Wireless temperature monitoring inspecting system and method | |
| CN103900486B (en) | Protection network monitoring system | |
| CN101299635A (en) | Apparatus and method for discriminating front and back of wide field complete-optical fiber disturbing signal | |
| JP2017134790A (en) | Disaster prevention system | |
| CN107545684B (en) | A kind of multipoint disturbance event alarming method in distributed optical fiber vibration sensing system | |
| CN206223322U (en) | A kind of distributed optical fiber temperature sensor and its system | |
| CN203572595U (en) | Optical fiber temperature and vibration sensor and comprehensive monitoring device | |
| CN105469527A (en) | Multisensor-based fire temperature measurement system | |
| CN103177531A (en) | Monitoring system for debris flow disasters along railway tracks | |
| CN106153175A (en) | A kind of method and device realizing vibration monitoring | |
| CN210667129U (en) | Intelligent access control management system based on distributed optical fiber temperature measurement and grating sensing system | |
| CN112396810A (en) | Power cable damage early warning method, device and system | |
| CN105448014B (en) | Comprehensive wiring method and attack early warning method based on enclosure wall perimeter security system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170704 Termination date: 20190816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |