CN205428115U - A fiber optic temperature sensing fire detection system for arch -roof tank - Google Patents
A fiber optic temperature sensing fire detection system for arch -roof tank Download PDFInfo
- Publication number
- CN205428115U CN205428115U CN201620226293.XU CN201620226293U CN205428115U CN 205428115 U CN205428115 U CN 205428115U CN 201620226293 U CN201620226293 U CN 201620226293U CN 205428115 U CN205428115 U CN 205428115U
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- optical cable
- arch
- roof tank
- head group
- temperature sensing
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Abstract
The utility model relates to a fire detection system belongs to the fire -fighting equipment field, concretely relates to a fiber optic temperature sensing fire detection system for arch -roof tank. Include: detecting head group, detecting head group passes through the cable connection box and links to each other with the optical cable, the optical cable links to each other with signal processor, fire alarm control unit in proper order, wherein, detecting head group follows the top guardrail gasket -mounted of arch -roof tank, detecting head group includes the temperature sensing sensor probe of a plurality of through connecting the optical cable series connection to the box is continuous in succession with the optical cable for final temperature sensing sensor probe. Therefore, the utility model has the advantages of as follows: 1. Reasonable in design, simple structure, with low costs and complete practicality, 2. Short response time it is high to detect the precision, and does not receive the influence of monitoring range length, 3. Measuring result have good repeatability, long term stability is good.
Description
Technical field
This utility model relates to a kind of fire detecting system, belongs to fire-fighting equipment field, is specifically related to a kind of temperature detected by optical fiber fire detecting system for arch-roof tank.
Background technology
Dome roof tank refer to tank deck be spherical crown shape, tank body be cylindrical a kind of steel vessel.Dome roof tank is simple to manufacture, cheap, so at home and abroad many sector applications are the most extensive, the most frequently used volume is 1000-10000m3, and at present, the maximum volume of domestic Dome roof tank has reached 30000m3.
Dome roof tank is widely used in the departments such as oil, chemical industry, metallurgy, and it can be used to the storage container as liquefied petroleum gas, liquefied natural gas, liquid oxygen, liquefied ammonia, liquid nitrogen and other media.Also can be as the storage tank of compressed gas (air, oxygen, nitrogen, town gas).
Owing to arch-roof tank is used for storing combustible and explosive articles, if once breaking out of fire is put out not in time and will be caused great economic loss and casualties, the fire-fighting work therefore carrying out floating roof tank is the most important.
Detection is a most important ring in fire-fighting work, and is to find that fire is the premise reducing economic loss.Fire detecting system of the prior art is mainly used in the factory sites such as indoor, and equipment volume is relatively big, and signal transmission distance is shorter, it is difficult to be suitable for arch-roof tank.Further, being affected by the corrosion etc. of institute's storing articles, fire detection equipment is easily damaged；Additionally, due to the particularity of institute's storing articles, thus higher to detection required precision.
Utility model content
This utility model mainly solves the above-mentioned technical problem existing for prior art, it is provided that a kind of temperature detected by optical fiber fire detecting system for arch-roof tank.This system is reasonable in design, simple in construction, low cost and completely practicality；Further, response time is short, and accuracy of detection is high, and the impact of scope length the most monitored；Additionally, measurement result has good repeatability, long-time stability are good.
Above-mentioned technical problem of the present utility model is mainly addressed by following technical proposals:
A kind of temperature detected by optical fiber fire detecting system for arch-roof tank, including: detecting head group, described detecting head group is connected with optical cable by optical cable connecting box, and described optical cable is connected with signal processor, fire alarm control unit successively；Wherein, described detecting head group installs along the top guardrail base plate of arch-roof tank, and described detecting head group includes that several are popped one's head in by connecting the temperature sensing sensor of optical cable series connection, and last temperature sensing sensor probe box continuous with optical cable is connected.
Optimize; above-mentioned a kind of temperature detected by optical fiber fire detecting system for arch-roof tank; described optical cable connecting box is arranged on the top of arch-roof tank sidewall, and described optical cable (4) is arranged along arch-roof tank sidewall from the top down, and the described protected pipe of optical cable outer cover.
Optimizing, above-mentioned a kind of temperature detected by optical fiber fire detecting system for arch-roof tank, first temperature sensing sensor probe is connected with self-inspection probe.
Optimize, above-mentioned a kind of temperature detected by optical fiber fire detecting system for arch-roof tank, described temperature sensing sensor probe includes: heat conduction temperature-sensing pipe, it is provided with fiber grating in described heat conduction temperature-sensing pipe, described heat conduction temperature-sensing pipe two ends are connected with being connected optical cable by rustless steel connecting tube respectively, and described fiber grating two ends are respectively with to be connected optical cable connected.
Therefore, this utility model has the advantage that 1. is reasonable in design, simple in construction, low cost and completely practicality；2. response time is short, and accuracy of detection is high, and the impact of scope length the most monitored；3. measurement result has good repeatability, and long-time stability are good.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is equipment connection diagram of the present utility model.
Fig. 3 is optical fiber and grating sensing temperature panel detector structure schematic diagram of the present utility model.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, the technical solution of the utility model is described in further detail.
In figure, bottom detecting head group 1, top guardrail base plate 2, optical cable connecting box 3, optical cable 4, arch-roof tank 5, arch-roof tank sidewall 6, self-inspection probe 7, connect optical cable 8, temperature sensing sensor probe 9, connect optical cable 901, rustless steel connecting tube 902, fiber grating 903, heat conduction temperature-sensing pipe 904.
Embodiment:
As shown in Figure 1-2, a kind of temperature detected by optical fiber fire detecting system for arch-roof tank, including: detecting head group 1, detecting head group 1 is connected with optical cable 4 by optical cable connecting box 3, and optical cable 4 is connected with signal processor, fire alarm control unit successively；Wherein, detecting head group 1 installs along the top guardrail base plate 2 of arch-roof tank, and detecting head group 1 includes several temperature sensing sensor connected by connecting optical cable 8 probes 9, and last temperature sensing sensor probe 9 boxes 3 continuous with optical cable are connected.
Detecting head group 1 includes several temperature sensing sensor connected by connecting optical cable 8 probes 9, and last temperature sensing sensor probe 9 boxes 6 continuous with optical cable are connected, and first temperature sensing sensor probe 9 is connected with self-inspection probe 7.Wherein, self-inspection probe 7 can be monitored self-operating situation in real time and export fault alarm sound and light signal.
As shown in Figure 3, temperature sensing sensor probe 9 includes: heat conduction temperature-sensing pipe 904, being provided with fiber grating 903 in heat conduction temperature-sensing pipe 904, heat conduction temperature-sensing pipe 904 two ends are connected with being connected optical cable 901 by rustless steel connecting tube 902 respectively, and fiber grating 903 two ends are respectively with to be connected optical cable 901 connected.
When ambient temperature changes, the cycle of fiber grating 903 can be caused to change, so its wavelength reflected back produces skew the most accordingly, this side-play amount is obtained by signal processor, calculates the variable quantity of temperature, the most detectable fire.
By above description, the present embodiment has the advantage that 1. is reasonable in design, simple in construction, low cost and completely practicality；2. response time is short, and accuracy of detection is high, and the impact of scope length the most monitored；3. measurement result has good repeatability, and long-time stability are good.
Specific embodiment described herein is only to this utility model spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by this utility model person of ordinary skill in the field, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Although the most more employing bottom detecting head group 1, top guardrail base plate 2, optical cable connecting box 3, optical cable 4, arch-roof tank 5, arch-roof tank sidewall 6, self-inspection probe 7, connecting optical cable 8, temperature sensing sensor probe 9, connect the terms such as optical cable 901, rustless steel connecting tube 902, fiber grating 903, heat conduction temperature-sensing pipe 904, but it is not precluded from using the probability of other term.Use these terms to be only used to more easily and describe and explain essence of the present utility model；It is all contrary with this utility model spirit for being construed as any additional restriction.
Claims (4)
1. the temperature detected by optical fiber fire detecting system for arch-roof tank, it is characterized in that, including: detecting head group (1), described detecting head group (1) is connected with optical cable (4) by optical cable connecting box (3), and described optical cable (4) is connected with signal processor, fire alarm control unit successively；Wherein, described detecting head group (1) is installed along the top guardrail base plate (2) of arch-roof tank, described detecting head group (1) includes several temperature sensing sensors connected by connecting optical cable (8) probe (9), and last temperature sensing sensor probe (9) box continuous with optical cable (3) is connected.
A kind of temperature detected by optical fiber fire detecting system for arch-roof tank the most according to claim 1; it is characterized in that; optical cable connecting box (3) is arranged on the top of arch-roof tank sidewall (6); described optical cable (4) is arranged along arch-roof tank sidewall (6) from the top down, and the protected pipe of described optical cable (4) outer cover.
A kind of temperature detected by optical fiber fire detecting system for arch-roof tank the most according to claim 1, it is characterised in that first temperature sensing sensor probe (9) is connected with self-inspection probe (7).
A kind of temperature detected by optical fiber fire detecting system for arch-roof tank the most according to claim 1, it is characterized in that, described temperature sensing sensor probe (9) including: heat conduction temperature-sensing pipe (904), it is provided with fiber grating (903) in described heat conduction temperature-sensing pipe (904), described heat conduction temperature-sensing pipe (904) two ends respectively by rustless steel connecting tube (902) with to be connected optical cable (901) connected, described fiber grating (903) two ends are respectively with to be connected optical cable (901) connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620226293.XU CN205428115U (en) | 2016-03-23 | 2016-03-23 | A fiber optic temperature sensing fire detection system for arch -roof tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620226293.XU CN205428115U (en) | 2016-03-23 | 2016-03-23 | A fiber optic temperature sensing fire detection system for arch -roof tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205428115U true CN205428115U (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620226293.XU Expired - Fee Related CN205428115U (en) | 2016-03-23 | 2016-03-23 | A fiber optic temperature sensing fire detection system for arch -roof tank |
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| CN (1) | CN205428115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735076A (en) * | 2020-12-22 | 2021-04-30 | 中车资阳机车有限公司 | Device and method for initial fire detection of fixed top storage tank |
-
2016
- 2016-03-23 CN CN201620226293.XU patent/CN205428115U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735076A (en) * | 2020-12-22 | 2021-04-30 | 中车资阳机车有限公司 | Device and method for initial fire detection of fixed top storage tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20190323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |