CN206991501U - Temperature detected by optical fiber fire detection alarm system - Google Patents
Temperature detected by optical fiber fire detection alarm system Download PDFInfo
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- CN206991501U CN206991501U CN201720428526.9U CN201720428526U CN206991501U CN 206991501 U CN206991501 U CN 206991501U CN 201720428526 U CN201720428526 U CN 201720428526U CN 206991501 U CN206991501 U CN 206991501U
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- optical fiber
- fire
- temperature
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Abstract
It the utility model is related to fire-fighting equipment field, more particularly to a kind of temperature detected by optical fiber fire detection alarm system, described temperature detected by optical fiber fire detection alarm system include optical fiber different constant temperature fire detector, linear optical fiber temperature-sensing fire detecting signal processor, computer and Fire Autoalarm；The utility model also includes local computer, using the teaching of the invention it is possible to provide system is set and simulative display detection data, can also show a variety of measurement data set in advance；The utility model, which can integrate, in actual use sets multi-step temperature alarm/temperature rise rate/temperature rise trend to continuously monitor, and can accurately show the state of temperature of any point at any time, the early warning before fire generation.
Description
Technical field
It the utility model is related to fire-fighting equipment field, more particularly to a kind of temperature detected by optical fiber fire detection alarm system.
Background technology
At present, the nuclear power station in China be in a high speed development and build period, by the use of nuclear fuel reactor as
The nuclear power station guard system of the energy is particularly important, and wherein fire detecting and alarm and linked system are also wherein very important
One system.
China's nuclear power station at present（Including the Pakistan nuclear power station and Karachi nuclear power station helped build）Nuclear island, often
In the cable duct and cable testing bridge of advising island, the cables such as substantial amounts of electric power, communication, control are all laid, these cables once occur
Problem will cause the paralysis of nuclear power station whole service, so needing design arrangement detecting and warning system in these places.Due to electricity
The reasons such as bad environments, complexity, changeable, frequent construction in cable ditch and cable testing bridge, it is easy to temperature sensing cable can be caused and connect
The regular false alarm of mouth mold block, equal generally existing in the nuclear power station that such case puts into operation at present in China.Cable simultaneously
Environment is more complicated in ditch and cable testing bridge, and the space of operation is narrow, big every time there is substantial amounts of cable layered arrangement
The replacing of temperature sensing cable is a very big engineering of difficulty during repairing.
Utility model content
Technical problem to be solved in the utility model, it is to be directed to above-mentioned technical deficiency, there is provided a kind of optical fiber
Temperature-sensing fire detecting warning system.
In order to solve the above technical problems, technical scheme is used by the utility model：A kind of temperature detected by optical fiber detection
Warning system, wherein described temperature detected by optical fiber fire detection alarm system includes optical fiber different constant temperature fire detector, linear optical fiber
Temperature-sensing fire detecting signal processor, computer and Fire Autoalarm；Described optical fiber constant temperature fire detector applies
It is located at by protection cable；Described linear optical fiber temperature-sensing fire detecting signal processor leads to the space temperature information collected
Cross RS232 interface and give local computer, remote computer can also be passed to by TCP/IP interfaces；Described fire is automatic
Alarm controller and linear optical fiber temperature-sensing fire detecting signal processor link together.
Compared with prior art, the utility model has advantages below：
1st, the accurate location of temperature change can be positioned exactly, and small space-time difference is embodied with Frequency Patterns
Realization is accurately positioned, and so as to form a set of accurate linear heat-detection system, collection computer, optical-fibre communications, optical fiber pass
The temperature-measurement principle that the technologies such as sense, optical fiber transmission, photo-electric control vary with temperature in one, the back scattering based on optical fiber, use
OFDR advanced technologies, monitor the feedback information on optical fiber in real time by temperature sensing optical cable, measure the temperature change of each point on optical fiber, come
Monitoring is detected the temperature regime in region in real time；
2nd, it is adapted to long distance monitoring, system is very simple and reliable, non-maintaining, and installation is extremely convenient, can suspend straight-run in midair,
The installation and dilatation of newly added equipment are not influenceed；
3rd, service life is grown, and optical fiber intrinsic safety, not by electromagnetic interference, comprehensive intelligent judges no wrong report, and its is not charged,
Suitable for catastrophe risk occasion.
Brief description of the drawings
Fig. 1 is a kind of principle schematic diagram of temperature detected by optical fiber fire detection alarm system.
Embodiment
To make the purpose of this utility model, technical scheme and advantage of greater clarity, with reference to embodiment
And referring to the drawings, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want
Limit the scope of the utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid not
Necessarily obscure concept of the present utility model.
Embodiment a kind of temperature detected by optical fiber fire detection alarm system as shown in Figure 1, wherein described optical fiber sense
Warm fire detection alarm system includes optical fiber different constant temperature fire detector, linear optical fiber temperature-sensing fire detecting signal processor, meter
Calculation machine and Fire Autoalarm；Described optical fiber constant temperature fire detector is laid in by protection cable；Described line
Type temperature detected by optical fiber fire detection signal processor gives the space temperature information collected to local computing by RS232 interface
Machine, remote computer can also be passed to by TCP/IP interfaces；Described Fire Autoalarm and linear optical fiber sense
Warm fire detection signal processor links together.
Detecting and warning system described in the utility model optical fiber during the use of reality is both that transmission media passes again
Feel media, the intensity backwards to Raman scattering light in optical fiber, linear optical fiber sense have been modulated in the temperature field of spatial points residing for optical fiber
Space temperature information that the processing of warm fire detection signal processor collects and by the temperature information after demodulation in real time from noise
Extract, computer is given by RS232 mouths.Signal processor has passive output contact in itself, can be reported automatically with fire
Alert controller connection, completes fire alarm and fault-signal transmission；Also can be used cooperatively with coding input module, with each company
The Fire Autoalarm of production is directly connected to, and forms automatic fire alarm system.Controller can be to this signal processor
State monitored, receive normal, fire alarm, early warning and fault message, realize linear optical fiber temperature-sensing fire detecting system with
The perfect adaptation of traditional detection systems.
Local computer is configured with monitoring software（Hereinafter referred to as software）, the software, which can both provide system and set and simulate, to be shown
Show detection data, can also show a variety of measurement data set in advance（Such as temperature, frequency, rear scattering curve, subregion warning level
Value, mean temperature, maximum temperature, fire spread direction etc.）.
It should be appreciated that above-mentioned embodiment of the present utility model is used only for exemplary illustration or explains this reality
With new principle, without forming to limitation of the present utility model.Therefore, without departing from spirit and scope of the present utility model
In the case of any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the utility model.In addition,
The appended claims for the utility model are intended to fall into scope and border or this scope and border
Whole in equivalents changes and modifications example.
Claims (1)
- A kind of 1. temperature detected by optical fiber fire detection alarm system, it is characterised in that：Described temperature detected by optical fiber fire detection alarm system Including optical fiber different constant temperature fire detector, linear optical fiber temperature-sensing fire detecting signal processor, computer and automatic fire alarm Controller；Described optical fiber constant temperature fire detector is laid in by protection cable；Described linear optical fiber temperature-sensing fire detecting Signal processor gives the space temperature information collected to local computer by RS232 interface, can also pass through TCP/IP Interface passes to remote computer；Described Fire Autoalarm and linear optical fiber temperature-sensing fire detecting signal processor Link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720428526.9U CN206991501U (en) | 2017-04-23 | 2017-04-23 | Temperature detected by optical fiber fire detection alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720428526.9U CN206991501U (en) | 2017-04-23 | 2017-04-23 | Temperature detected by optical fiber fire detection alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206991501U true CN206991501U (en) | 2018-02-09 |
Family
ID=61391224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720428526.9U Expired - Fee Related CN206991501U (en) | 2017-04-23 | 2017-04-23 | Temperature detected by optical fiber fire detection alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206991501U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215279A (en) * | 2018-09-11 | 2019-01-15 | 内蒙古电力勘测设计院有限责任公司 | A kind of fire alarm system and method based on cable tunnel |
| CN109472962A (en) * | 2018-12-19 | 2019-03-15 | 上海金盾消防智能科技有限公司 | A kind of cable duct fire monitoring module on the spot |
| CN115389034A (en) * | 2022-08-25 | 2022-11-25 | 中核核电运行管理有限公司 | Graphical method for monitoring temperature of transformer by fire alarm in nuclear power plant |
-
2017
- 2017-04-23 CN CN201720428526.9U patent/CN206991501U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109215279A (en) * | 2018-09-11 | 2019-01-15 | 内蒙古电力勘测设计院有限责任公司 | A kind of fire alarm system and method based on cable tunnel |
| CN109472962A (en) * | 2018-12-19 | 2019-03-15 | 上海金盾消防智能科技有限公司 | A kind of cable duct fire monitoring module on the spot |
| CN115389034A (en) * | 2022-08-25 | 2022-11-25 | 中核核电运行管理有限公司 | Graphical method for monitoring temperature of transformer by fire alarm in nuclear power plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ren Dong Inventor before: Shi Li |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180212 Address after: 050000 Peace East Road, Changan District, Shijiazhuang, Hebei Province, No. 393 Patentee after: Ren Dong Address before: Shijiazhuang City, Hebei province 050000 New Bridge West Road No. 88 building 4 unit 1, No. 301 Patentee before: Shi Li |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20180423 |