CN205827602U - A kind of fiber grating line-type heat detector - Google Patents
A kind of fiber grating line-type heat detector Download PDFInfo
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- CN205827602U CN205827602U CN201620753752.XU CN201620753752U CN205827602U CN 205827602 U CN205827602 U CN 205827602U CN 201620753752 U CN201620753752 U CN 201620753752U CN 205827602 U CN205827602 U CN 205827602U
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- sensing temperature
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Abstract
nullThe utility model discloses a kind of fiber grating line-type heat detector，Including optical fiber and grating sensing temperature sensor array、Signal processor、Service terminal、Client divides end and fire alarm control unit，Described optical fiber and grating sensing temperature sensor array number of columns is multiple and each other for parallel relationship，Each optical fiber and grating sensing temperature sensor array is made up of multiple optical fiber and grating sensing temperature sensor series，Array and array、By being connected optical cable connection between sensor with sensor，Described optical fiber and grating sensing temperature sensor includes fiber grating、Temperature-sensitive components and parts、Grating containment vessel、Sensor protection shell、Rivet pressing structure and anchor head structure，Described optical fiber and grating sensing temperature sensor array is connected with signal processor by backbone optical cable again，Described signal processor is connected with service terminal by cable，Described service terminal connects has multiple client to divide end and fire alarm control unit.
Description
Technical field
This utility model relates to fire detection alarm field, particularly to a kind of fiber grating linear temperature-sensing fire detecting
Device.
Background technology
Optical fiber grating temperature-measuring, as a kind of new technique, is widely deployed and uses, and it uses optical fiber as letter
Number transmission and sensing media, utilize the temperature sensitivity of Bragg grating and the principle of reflection of light, the change of detection temperature.Profit
The fiber grating linear temperature sensor made by this technology, because of itself on-the-spot non-electric detection, Sefe antiexplosion, anti-electromagnetism
Interference, anti-lightning strike, good insulating, life-span length, volume lampet feature, be particularly suitable for applying to transformer station's High-low voltage switch cabinet, electricity
The temperature monitoring in the fields such as cable joint, petroleum and petrochemical industry oil storage tank, with the timely disaster hidden-trouble finding and existing, accomplishes to prevent in not
So.
On this basis, the most fully extend utilization, design one and be easy to carry for difference detection region, tear open
Dress, and sensor itself is carried out structural improvement so that it is the life-span is longer, processing speed is fast, carries out processing, ringing faster comprehensively
Answer speed, and operating side management difficulty is low, monitoring property by force, fire detector the most with strong points have become as an important class
Topic.
Summary of the invention
Technical problem to be solved in the utility model is to provide a fiber grating line-type heat detector, to solve
The above-mentioned multinomial defect caused in prior art.
For achieving the above object, the technical scheme that this utility model offer is following: a kind of optical fiber and grating sensing temperature detection
Device, divides end and fire alarm control unit, institute including optical fiber and grating sensing temperature sensor array, signal processor, service terminal, client
Stating optical fiber and grating sensing temperature sensor array number of columns is multiple and each other for parallel relationship, each optical fiber and grating sensing temperature sensor
Array is made up of multiple optical fiber and grating sensing temperature sensor series, by being connected light between array with array, sensor and sensor
Cable connects, and described optical fiber and grating sensing temperature sensor array is connected with signal processor by backbone optical cable again, described fiber grating
Temperature sensing sensor includes fiber grating, temperature-sensitive components and parts, grating containment vessel, sensor protection shell, rivet pressing structure and anchor head structure,
Described fiber grating is fixed in described grating containment vessel, and described grating containment vessel is fixed in described sensor protection shell, institute
Stating and be provided with anchor head structure on sensor protection shell surface, described anchor head structure is provided with hook thorn, described connection optical cable passes through
Described rivet pressing structure is fixed on the two ends of described sensor protection shell, connects optical cable and backbone optical cable all uses multimembrane optical fiber, by
In be respectively optical fiber, fire proofing firbre layer, fire-resistant waterproof layer of PVC and stainless steel flexible hose to outer, described signal processor passes through cable
Being connected with service terminal, described service terminal connects has multiple client to divide end and fire alarm control unit.
Preferably, described grating containment vessel, sensor protection shell are disposed as upper and lower containment vessel structure, and upper containment vessel leads to
Cross bolt, card is detained containment vessel and is fixed.
Preferably, described signal processor includes that the modulation /demodulation module, central processing module and the agreement that are sequentially connected with turn
Die change block.
Preferably, audible alarm module, light warning module, GPRS note report it are provided with in described fire alarm control unit
Alert module and wireless blue tooth module.
Preferably, described fire alarm control unit being provided with manual control button, described manual control button connects to be had
Fiber grating.
Above technical scheme is used to provide the benefit that: this utility model structured optical fiber grating linear temperature-sensing fire detecting
Device, transmission line has higher reliability and stability, possesses and the most stably transmits data capability, has excellent simultaneously
Different damage resistance, fire resistance, good water resistance and higher intensity, uses service terminal/client to divide end pattern, convenient
System topological, can realize remote management interface and enrich, convenient and tension management system docking, it is possible to provide custom interface.Configuration side
And multiple type of alarm is provided just,.The set-up mode of internal optical fiber grating, can make fiber grating to greatest extent close to survey
Amount environment, substantially increases the temperature-sensitive response time of fiber grating, is particularly requiring on the fire alarm quickly responded, it is possible to
Real-time Feedback scene of fire variations in temperature, it is therefore prevented that the loss brought because of response time delay, also improves the guarantor of fiber grating simultaneously
Protect intensity.By using the deformation of passive fiber grating perception elastomer, trigger signal as reporting to the police, have anti-electromagnetism disturb,
The advantage such as long transmission distance, intrinsic safety, also is able to use in the place not having power supply and darkness humidity.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model fiber grating line-type heat detector.
Fig. 2 is the structure of optical fiber and grating sensing temperature sensor in this utility model fiber grating line-type heat detector
Figure.
Fig. 3 is the hierarchy chart of this utility model fiber grating line-type heat detector optical cable.
Fig. 4 is the structured flowchart of this utility model fiber grating line-type heat detector signal processor.
Fig. 5 is the structured flowchart of this utility model fiber grating line-type heat detector fire alarm control unit.
Fig. 6 is this utility model fiber grating line-type heat detector fire alarm control unit manual control button
Structure chart.
Wherein, 1-optical fiber and grating sensing temperature sensor array, 2-optical fiber and grating sensing temperature sensor, 3-signal processor, 4-takes
Business terminal, 5-client divides end, 6-fire alarm control unit, and 7-connects optical cable, 8-backbone optical cable, 9-fiber grating, 10-temperature-sensitive unit
Device, 11-grating containment vessel, 12-sensor protection shell, 13-rivet pressing structure, 14-anchor head structure, 15-hooks thorn, 16-optical fiber,
17-fire proofing firbre layer, 18-fire-resistant waterproof layer of PVC, 19-stainless steel flexible hose, 20-modulation /demodulation module, 21-central processing module,
22-protocol conversion module, 23-audible alarm module, 24-light warning module, 25-GPRS short message alarm module, indigo plant that 26-is wireless
Tooth module 27-manual control button.
Detailed description of the invention
Describe the side of being preferable to carry out of this utility model fiber grating line-type heat detector below in conjunction with the accompanying drawings in detail
Formula.
Fig. 1-Fig. 6 shows the detailed description of the invention of this utility model fiber grating line-type heat detector: Yi Zhongguang
Fine grating heat fire detector, including optical fiber and grating sensing temperature sensor array 1, signal processor 3, service eventually, 4, Ke Hufen
End 5 and fire alarm control unit 6.Described optical fiber and grating sensing temperature sensor 1 array quantity is multiple and closes for parallel connection each other
System, each optical fiber and grating sensing temperature sensor array 1 is composed in series by multiple optical fiber and grating sensing temperature sensors 2, array and array, biography
Connecting by being connected optical cable 7 between sensor with sensor, described optical fiber and grating sensing temperature sensor array 1 is again by backbone optical cable 8
Being connected with signal processor 3, connecting optical cable 7 is armoured single core optical cable, and backbone optical cable 8 is multifiber cable, signal processor 3 and institute
The connection interface stating Fiber Bragg Grating Sensor Array 1 is FC/APC interface.Described optical fiber and grating sensing temperature sensor 2 includes optical fiber
Grating 9, temperature-sensitive components and parts 10, grating containment vessel 11, sensor protection shell 12, rivet pressing structure 13 and anchor head structure 14, described anchor
Being provided with hook thorn 15 on header structure 14, described fiber grating 9 is fixed in described grating containment vessel 11, described grating containment vessel 11
It is fixed in described sensor protection shell 12, described sensor protection shell 12 surface is provided with anchor head 14 structure, described connection
Optical cable 7 is fixed on the two ends of described sensor protection shell 12 by described rivet pressing structure 13, and this relates to protecting key
The fiber grating 9 at position, anchor head structure 14 allows sensor be easy to dismounting simultaneously.Connect optical cable 7 and backbone optical cable 8 all uses multimembrane
Optical fiber, the most respectively optical fiber 16, fire proofing firbre layer 17, fire-resistant waterproof layer of PVC 18 and stainless steel flexible hose 19, optical cable is flat
After the heat conductivity that weighed and barrier propterty and service life several contradiction, there is excellent thermal conduction characteristic, mechanical performance, waterproof
Performance and anticorrosive feature, be adapted to the severe execution conditions of comparison and working environment.Described signal processor 3 passes through cable
Being connected with service terminal 4, described service terminal 4 connects has multiple client to divide end 5 and fire alarm control unit 6.Signal processor 3
Fiber Bragg Grating Sensor Array 1 is scanned by the wide spectrum optical signal sent, each fiber grating on fibre optic sensor arra 1
Temperature sensing sensor 2 can be reflected back the optical signal of different centre wavelength, and the optical signal reflected is solved by OSP 3
Tune obtains wherein cardiac wave long value, carries out calculating according to its wavelength shift and i.e. can get each optical fiber and grating sensing temperature sensor 2 and survey
, owing to there is multiple array and the sensor of multiple branch in the ambient temperature value obtained.Equal to whole monitored area is subdivided
Multiple regions, can carry out specific aim, zonal refinement detection.Data after process pass to service terminal 4, and can be
Obtaining record, it is simple to monitoring management, then service terminal 4 passes data to fire alarm control unit 6 again and reports to the police herein
Remind, and the client of each working region divides end 5 also can obtain corresponding data, reminds staff to take to arrange accordingly
Execute.
In the present embodiment, described grating containment vessel 11, sensor protection shell 12 are disposed as upper and lower containment vessel structure,
Upper containment vessel is detained containment vessel fixed by bolt, card.
In the present embodiment, described signal processor 3 includes modulation /demodulation module 20, the central processing module being sequentially connected with
21 and protocol conversion module 22, carry out the demodulation of data, protocol conversion and transmission.
In the present embodiment, it is provided with audible alarm module 23, light warning module in described fire alarm control unit 6
24, GPRS short message alarm module 25 and wireless blue tooth module 26, can carry out the warning reminding of various ways.
In the present embodiment, described fire alarm control unit 6 is provided with manual control button 27, can personnel feel at the scene
The when of must having hidden danger, manual alarm, described manual control button 27 connects fiber grating, by using passive optical fiber light
The deformation that grid 9 perception is elastic, triggers signal as reporting to the police, have anti-electromagnetism disturb, the advantage such as long transmission distance, intrinsic safety,
The place not having power supply and darkness humidity also is able to use.
Based on above-mentioned, this utility model structured optical fiber grid stroke sensing fire detector, transmission line have higher can
By property and stability, possess and the most stably transmit data capability, have simultaneously excellence damage resistance, fire resistance,
Good water resistance and higher intensity, use service 4/ client eventually to divide end 5 patterns, facilitate system topological, can realize remotely
Management interface enriches, convenient and tension management system docking, it is possible to provide custom interface.Configuration is convenient, and provides multiple warning side
Formula.The set-up mode of internal optical fiber grating 9, can make fiber grating 9 to greatest extent close to environment to be measured, substantially increase
The temperature-sensitive response time of fiber grating 9, is particularly requiring on the fire alarm quickly responded, it is possible to Real-time Feedback scene of fire
Variations in temperature, it is therefore prevented that the loss brought because of response time delay, also improves the protection intensity of fiber grating 9 simultaneously.By using
The deformation that passive fiber grating 9 perception is elastic, triggers signal as reporting to the police, have anti-electromagnetism disturb, long transmission distance, intrinsic peace
Congruence advantage, also is able to use in the place not having power supply and darkness humidity.
Above-described is only preferred implementation of the present utility model, it is noted that for the ordinary skill of this area
For personnel, on the premise of creating design without departing from this utility model, it is also possible to making some deformation and improvement, these all belong to
In protection domain of the present utility model.
Claims (5)
1. a fiber grating line-type heat detector, including optical fiber and grating sensing temperature sensor array, signal processor, clothes
Business terminal, client divide end and fire alarm control unit, it is characterised in that: described optical fiber and grating sensing temperature sensor array number of columns is many
Individual and be parallel relationship each other, each optical fiber and grating sensing temperature sensor array is by multiple optical fiber and grating sensing temperature sensor series
Composition, by being connected optical cable connection, described optical fiber and grating sensing temperature sensor array between array with array, sensor and sensor
Be connected with signal processor by backbone optical cable again, described optical fiber and grating sensing temperature sensor include fiber grating, temperature-sensitive components and parts,
Grating containment vessel, sensor protection shell, rivet pressing structure and anchor head structure, described fiber grating is fixed on described grating containment vessel
In, described grating containment vessel is fixed in described sensor protection shell, and described sensor protection shell surface is provided with anchor head knot
Structure, described anchor head structure is provided with hook thorn, and described connection optical cable is fixed on described sensor protection by described rivet pressing structure
The two ends of shell, connect optical cable and backbone optical cable and all use multimembrane optical fiber, the most respectively optical fiber, fire proofing firbre layer, fire-retardant
Waterproof layer of PVC and stainless steel flexible hose, described signal processor is connected with service terminal by cable, and described service terminal connects to be had
Multiple clients divide end and fire alarm control unit.
A kind of fiber grating line-type heat detector the most according to claim 1, it is characterised in that described grating is protected
Protective case, sensor protection shell are disposed as upper and lower containment vessel structure, and upper containment vessel is detained containment vessel fixed by bolt, card.
A kind of fiber grating line-type heat detector the most according to claim 1, it is characterised in that at described signal
Reason device includes modulation /demodulation module, central processing module and the protocol conversion module being sequentially connected with.
A kind of fiber grating line-type heat detector the most according to claim 1, it is characterised in that described fire report
It is provided with audible alarm module, light warning module, GPRS short message alarm module and wireless blue tooth module in alert controller.
A kind of fiber grating line-type heat detector the most according to claim 4, it is characterised in that described fire report
Being provided with manual control button on alert controller, described manual control button connects fiber grating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620753752.XU CN205827602U (en) | 2016-07-18 | 2016-07-18 | A kind of fiber grating line-type heat detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620753752.XU CN205827602U (en) | 2016-07-18 | 2016-07-18 | A kind of fiber grating line-type heat detector |
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| CN205827602U true CN205827602U (en) | 2016-12-21 |
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| CN201620753752.XU Active CN205827602U (en) | 2016-07-18 | 2016-07-18 | A kind of fiber grating line-type heat detector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146358A (en) * | 2017-06-26 | 2017-09-08 | 中交航局安装工程有限公司 | A kind of fire real-time early warning system of defense suitable for tunnel and piping lane |
| CN113884215A (en) * | 2021-09-29 | 2022-01-04 | 国网新疆电力有限公司阿勒泰供电公司 | Cable fire monitoring system based on grating array sensing optical cable |
-
2016
- 2016-07-18 CN CN201620753752.XU patent/CN205827602U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107146358A (en) * | 2017-06-26 | 2017-09-08 | 中交航局安装工程有限公司 | A kind of fire real-time early warning system of defense suitable for tunnel and piping lane |
| CN113884215A (en) * | 2021-09-29 | 2022-01-04 | 国网新疆电力有限公司阿勒泰供电公司 | Cable fire monitoring system based on grating array sensing optical cable |
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| GR01 | Patent grant |