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Jiangsu Zhongshi Electronics Co., Ltd.
Production address: No.5, Nanjing Siqiao Economic Park, Liuhe District, Nanjing City
Office Address: 11th Floor, Building A1, Liuhe Kichuang Park, Liuhe District, Nanjing
Cabinet type distributed optical fiber
The detector is designed based on the National Standard of the People's Republic of China GB16280-2014 "Linear Temperature Sensing Fire Detector". The product consists of three parts: optical fiber host, temperature-sensing optical fiber and host computer software.
Key words:
Classification:
Line type heat fire detector
Hotline:
Cabinet type distributed optical fiber
product description:
The distributed optical fiber linear temperature fire detector is a continuously distributed optical fiber temperature sensing system that uses optical time domain reflectance (OTDR) technology and Raman scattering effect to measure temperature changes distributed along the optical fiber. In this system, the optical fiber is both a transmission medium and a sensor. The laser pulse is transmitted forward along the optical fiber. The laser interacts with the optical fiber medium to produce extremely weak back-Raman scattered light (temperature-sensitive anti-stokes light and temperature-insensitive stokes light), after being separated by a wavelength division multiplexer, it is detected by a highly sensitive photoelectric detector, and then through high-speed signal collection and weak signal processing, the light intensity ratio and return time of the backscattered signal light are obtained, thereby obtaining the temperature distribution in real time information. As an advanced linear fire detector at home and abroad, the distributed optical fiber temperature sensing system has the advantages of long measurement distance, no measurement blind zone, and real-time measurement. It is widely used in electric power, traffic tunnels, subways, petrochemicals, dams and other fields. .
Features:
Classification by sensitive component form: distributed optical fiber
Classification by action performance: differential constant temperature
Classified by recoverable performance: recoverable
Classification by positioning method: Distribution positioning
Classification by detection and alarm function: detection and alarm type
The complete system consists of the temperature measurement host part (signal processing unit), temperature-sensing optical cable part (sensitive components) and host computer software. As shown in Figure 2-1 and Figure 2-2.
Technical indicators:
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Number |
Technical Parameters |
DTS-ZS1000 |
DTS-ZS1100 |
DTS-ZS1200 |
DTS-ZS1300 |
|
1 |
Measure distance |
2.5Km (single channel up to 10Km) |
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2 |
Number of channels |
4 channels |
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3 |
measure time |
1.5s/channel |
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4 |
Detection unit length |
≤3m |
≤1m |
≤0.5m |
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5 |
Sampling interval |
0.4m |
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6 |
Detection alarm function classification |
Detection alarm type |
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7 |
positioning accuracy |
≤1m |
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8 |
Fixed temperature action temperature |
60℃, 70℃, 85℃ (can be set arbitrarily) |
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9 |
differential temperature action |
10℃/min、20℃/min、30℃/min |
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10 |
operating system |
Windows |
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11 |
Communication Interface |
RS485/RJ45/16 |
LAN/USB/RS232/RS485/20 |
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12 |
Display |
12.1 inches |
Comes with 7 inches (can be customized for rack or wall mounting) |
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13 |
Sensing fiber |
Armored structure (the optical fiber structure can be selected according to the needs of the site) |
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14 |
Fiber diameter |
2.5mm or 3.0mm |
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15 |
Optical fiber structure |
Single core multi-mode (can be customized) |
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16 |
Fiber type |
50μm/125μm, 62.5μm/125μm (can be customized) |
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17 |
bending radius |
Minimum 60mm |
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18 |
pull |
During installation: Maximum 200N During use: Maximum 100N |
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19 |
insulation |
Low smoke halogen-free LSZH polyvinyl chloride PVC, etc. |
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20 |
Optical fiber interface |
FC/APC |
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21 |
Operating temperature |
Signal processor:-10℃~50℃ |
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Sensitive components: -40℃~160℃ |
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22 |
Storage temperature |
-40℃~85℃ |
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23 |
Working humidity |
0-95%RH no condensation |
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24 |
Fiber protection level |
IP68 |
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25 |
Working power supply |
DC24V±15% |
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26 |
Maximum working current |
1A |
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27 |
Current overcurrent protection |
2.0A |
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28 |
Host life |
10 years |
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29 |
size |
450mm*220mm |
133mm*482mm*461mm |
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30 |
Certification |
Fire product certification, laser safety grade testing certificate, CE certification, |
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Temperature measurement optical cable parameter table:
|
project |
index |
|
round cable |
Single-core multimode fiber encased in high-quality jacket |
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fiber optic core |
62.5μm |
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Fiber optic coating |
125μm |
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bend radius |
Minimum 60mm |
|
pull |
During installation: Maximum 200N |
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insulation |
Low smoke halogen-free LSZH, polyvinyl chloride PVC, etc. |
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Applicable ambient temperature range |
-40℃~+50℃ |
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