CN207489208U - Sensing device is detected for the cable fire of offshore platform - Google Patents
Sensing device is detected for the cable fire of offshore platform Download PDFInfo
- Publication number
- CN207489208U CN207489208U CN201721476758.8U CN201721476758U CN207489208U CN 207489208 U CN207489208 U CN 207489208U CN 201721476758 U CN201721476758 U CN 201721476758U CN 207489208 U CN207489208 U CN 207489208U
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- China
- Prior art keywords
- cable
- temperature
- fire
- offshore platform
- grated
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Abstract
The utility model discloses a kind of cable fires for offshore platform to detect sensing device, is related to technical field of fire detection.The device includes the detection cable being sequentially electrically connected, detection cable, signal amplifier, converter, controller and terminal handler；It detects cable and includes oversheath, oversheath is internally provided with temperature sensing cable and grated cable；The end of temperature sensing cable and grated cable, is electrically connected with signal amplifier；At least five grating sensor is provided on oversheath, each grating sensor is electrically connected with grated cable；Insulating tape is provided between temperature sensing cable and grated cable, temperature sensing cable and grated cable are isolated by insulating tape.The utility model can carry out cable fire judgement according to temperature signal and optical signal synthesis, and not only detection accuracy is higher, but also cost is relatively low.
Description
Technical field
The utility model is related to technical field of fire detection, are related to a kind of cable fire for offshore platform and detect sensing
Device.
Background technology
People carry out electrical resistivity survey fire detection when, it is contemplated that cable fire can along with high temperature, flue gas and flame, therefore into
Row cable fire detection traditional sensors be：Smoke detector (detection flue gas), heat detector (detection temperature) or red
External detector (detection light).
For the cable of offshore platform, the cable laying of offshore platform is in pipeline, and traditional detector is nothing
Method is mounted in pipeline, and therefore, traditional sensor can not carry out detection to the cable of offshore platform.
On this basis, in order to protect the cable of offshore platform, people need to use the common linear heat detection of cable formula
Device carries out cable fire detection, and still, the linear heat detector of cable formula can only detect temperature, and temperature may be because of cable fire
Calamity occurs, it is also possible to because of itself loss occurrence, therefore the linear heat detector of cable formula easily caused by detect cable oneself
Body damages and generates false alarm, and detection accuracy is relatively low；At the same time the linear heat detector of cable formula not only temperature sensing range
It is smaller, cost is larger, and occur cable fire after it is also irrecoverable.In conclusion the cable of offshore platform is faced with fire
The problem of detection is difficult.
Utility model content
For defect in the prior art, the utility model solve the technical issues of be：How offshore platform is improved
Cable fire detection accuracy；The utility model can carry out cable fire judgement according to temperature signal and optical signal synthesis,
Not only detection accuracy is higher, but also cost is relatively low.
To achieve the above objectives, the cable fire provided by the utility model for offshore platform detects sensing device, packet
Signal amplifier, converter, controller and terminal handler are included, which further includes detection cable, detection cable, signal amplification
Device, converter, controller and terminal handler are sequentially electrically connected；It detects cable and includes oversheath, oversheath is internally provided with sense
Warm cable and grated cable；The end of temperature sensing cable and grated cable, is electrically connected with signal amplifier；It is provided on oversheath
At least five grating sensor, each grating sensor are electrically connected with grated cable；It is set between temperature sensing cable and grated cable
There is insulating tape, temperature sensing cable and grated cable are isolated by insulating tape.
Based on the above technical solution, the temperature sensing cable uses Restorable temperature-sensing cable, the grated cable
Using Restorable temperature-sensing cable.
Based on the above technical solution, the outer diameter of the temperature sensing cable is 0.6~1mm.
Based on the above technical solution, the outer diameter of the temperature sensing cable is 0.8mm.
Based on the above technical solution, the outer diameter of the grated cable is 2~3mm.
Based on the above technical solution, the outer diameter of the grated cable is 2.5mm.
Based on the above technical solution, the oversheath is made of high-temperature insulation material, the outer diameter of oversheath
For 5~6mm.
Based on the above technical solution, the oversheath is made of PVC, and the outer diameter of oversheath is 5.5mm.
Based on the above technical solution, the insulating tape is made of high-temperature insulation material.
Based on the above technical solution, the insulating tape is made of PVC.
Compared with prior art, the utility model has the advantage of：
(1) the detection cable of the utility model cable fire detection sensing device includes temperature sensing cable, grated cable and light
Gate sensor, temperature sensing cable can detect and transmit temperature signal, and grated cable and grating sensor can detect and transmit light
Signal；Compared with the linear heat detector of cable formula of the prior art, the utility model can be according to temperature signal and optical signal
It integrates to carry out cable fire judgement, not only detection accuracy is higher, but also cost is relatively low.
At the same time, the grating sensor of the utility model is provided at least five, and then has been significantly expanded investigative range.
(2) with occurring in the prior art after cable fire compared with the expendable linear heat detector of cable formula, this practicality
Novel grated cable uses Restorable temperature-sensing cable, and temperature sensing cable uses Restorable temperature-sensing cable, grated cable and sense
The anti-machinery damage ability of warm cable is strong, can not only restore after cable fire occurs, but also disclosure satisfy that making for offshore platform
Use environment.
Description of the drawings
Fig. 1 is the structural frames of the cable fire detection sensing device for offshore platform in the utility model embodiment
Figure.
In figure：1- oversheaths, 2- temperature sensing cables, 3- insulating tapes, 4- grated cables, 5- grating sensors, the amplification of 6- signals
Device, 7- converters, 8- controllers, 9- terminal handlers.
Specific embodiment
The embodiment of the utility model is described in further detail below in conjunction with attached drawing.
Shown in Figure 1, the cable fire for offshore platform in the utility model embodiment detects sensing device, packet
Include the detection cable being sequentially electrically connected, signal amplifier 6, converter 7, controller 8 and terminal handler 9.
It detects cable and includes oversheath 1, oversheath 1 is internally provided with temperature sensing cable 2 and grated cable 4,2 He of temperature sensing cable
The end of grated cable 4 is electrically connected with signal amplifier 6；At least five grating sensor 5 is provided on oversheath 1, each
Grating sensor 5 is electrically connected with grated cable 4.Insulating tape 3, temperature sensing cable are provided between temperature sensing cable 2 and grated cable 4
2 and grated cable 4 be isolated by insulating tape 3.
The detailed directions of each component and parameter are in the present embodiment：
Oversheath 1 is used for：Temperature sensing cable 2 and grated cable 4 is protected not to generate high temperature by fire, oversheath 1 uses
High-temperature insulation material is made, specially PVC (Polyvinyl chloride, polyvinyl chloride), the outer diameter of oversheath 1 for 5~
6mm (being specially 5.5mm).
Temperature sensing cable 2 is used for：The temperature of monitoring detection cable, and temperature is transmitted to signal in the form of a signal and is put
Big device 6；In order to enable temperature sensing cable 2 can also restore after cable fire occurs, temperature sensing cable 2 is using renewable type temperature-sensitive electricity
Cable, outer diameter are 0.6~1mm (being specially 0.8mm).
Grating sensor 5 is used for：It (can shine during cable fire generation, i.e., can generate optical signal) after monitoring optical signal,
Optical signal is transmitted to signal amplifier 6 by grated cable 4；In order to enable grated cable 4 also may be used after cable fire occurs
Restore, grated cable 4 uses Restorable temperature-sensing cable, and outer diameter is 2~3mm (being specially 2.5mm).
Insulating tape 3 is used for：Completely cut off temperature sensing cable 2 and grated cable 4, prevent signal between temperature sensing cable 2 and grated cable 4
It interferes；Insulating tape 3 is made of high-temperature insulation material, specially PVC (Polyvinyl chloride, polychlorostyrene second
Alkene).
Signal amplifier 6 is used for：After temperature signal and optical signal are amplified and are corrected, fire signal is formed, it will be fiery
Calamity signal transmission is to converter 7.
Converter 7 is used for：After fire signal is converted to 8 signal of controller, by 8 signal transmission of controller to controller 8.
Controller 8 is used for：It, will when reaching the threshold value of setting when the temperature and the intensity of optical signal in 8 signal of controller
8 signal of controller is transmitted to terminal handler 9 after being confirmed as fire alarm.
Terminal handler 9 is used for：Fire alarm alarm is carried out, and 5 position of grating sensor in fire alarm carries
Show fire happening part.
It should be noted that signal amplifier 6, converter 7, controller 8 and terminal handler 9 in the present embodiment,
For existing device, when the present embodiment carries out cable fire detection, the workflow and principle of above-mentioned each existing device will not
It changes, i.e., each existing device need to only complete the existing capability having in itself, you can complete cable fire detection.
The utility model is not only limited to above-mentioned preferred forms, anyone can obtain under the enlightenment of the utility model
Go out other various forms of products, however, make any variation in its shape or structure, it is every to have and the utility model phase
Same or close technical solution, within its protection domain.
Claims (10)
1. a kind of cable fire for offshore platform detects sensing device, including signal amplifier (6), converter (7), control
Device (8) and terminal handler (9), it is characterised in that：The device further includes detection cable, detection cable, signal amplifier (6),
Converter (7), controller (8) and terminal handler (9) are sequentially electrically connected；It detects cable and includes oversheath (1), oversheath (1)
It is internally provided with temperature sensing cable (2) and grated cable (4)；The end of temperature sensing cable (2) and grated cable (4), puts with signal
Big device (6) electrical connection；It is provided at least five grating sensor (5) on oversheath (1), each grating sensor (5) is and grating
Cable (4) is electrically connected；Insulating tape (3), temperature sensing cable (2) and grating electricity are provided between temperature sensing cable (2) and grated cable (4)
Cable (4) is isolated by insulating tape (3).
2. as described in claim 1 for the cable fire of offshore platform detection sensing device, it is characterised in that：The temperature-sensitive
Cable (2) is using Restorable temperature-sensing cable, and the grated cable (4) is using Restorable temperature-sensing cable.
3. as described in claim 1 for the cable fire of offshore platform detection sensing device, it is characterised in that：The temperature-sensitive
The outer diameter of cable (2) is 0.6~1mm.
4. as claimed in claim 3 for the cable fire of offshore platform detection sensing device, it is characterised in that：The temperature-sensitive
The outer diameter of cable (2) is 0.8mm.
5. as described in claim 1 for the cable fire of offshore platform detection sensing device, it is characterised in that：The grating
The outer diameter of cable (4) is 2~3mm.
6. as claimed in claim 5 for the cable fire of offshore platform detection sensing device, it is characterised in that：The grating
The outer diameter of cable (4) is 2.5mm.
7. if claim 1 to 6 any one of them is for the cable fire detection sensing device of offshore platform, feature exists
In：The oversheath (1) is made of high-temperature insulation material, and the outer diameter of oversheath (1) is 5~6mm.
8. as claimed in claim 7 for the cable fire of offshore platform detection sensing device, it is characterised in that：The outer shield
Set (1) is made of PVC, and the outer diameter of oversheath (1) is 5.5mm.
9. if claim 1 to 6 any one of them is for the cable fire detection sensing device of offshore platform, feature exists
In：The insulating tape (3) is made of high-temperature insulation material.
10. as claimed in claim 9 for the cable fire of offshore platform detection sensing device, it is characterised in that：It is described exhausted
Marginal zone (3) is made of PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476758.8U CN207489208U (en) | 2017-11-07 | 2017-11-07 | Sensing device is detected for the cable fire of offshore platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721476758.8U CN207489208U (en) | 2017-11-07 | 2017-11-07 | Sensing device is detected for the cable fire of offshore platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207489208U true CN207489208U (en) | 2018-06-12 |
Family
ID=62475637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721476758.8U Expired - Fee Related CN207489208U (en) | 2017-11-07 | 2017-11-07 | Sensing device is detected for the cable fire of offshore platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207489208U (en) |
-
2017
- 2017-11-07 CN CN201721476758.8U patent/CN207489208U/en not_active Expired - Fee Related
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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: 20180612 Termination date: 20211107 |
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| CF01 | Termination of patent right due to non-payment of annual fee |