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ਸਰਬੋਤਮ ਫਾਈਬਰ ਬ੍ਰੈਗ ਗਰੇਟਿੰਗ ਥਰਮਲ ਫਾਇਰ ਡਿਟੈਕਸ਼ਨ ਸਿਸਟਮ ਨਿਰਮਾਤਾ

ਫਾਈਬਰ ਆਪਟਿਕ ਤਾਪਮਾਨ ਸੂਚਕ, ਬੁੱਧੀਮਾਨ ਨਿਗਰਾਨੀ ਸਿਸਟਮ, ਚੀਨ ਵਿੱਚ ਵੰਡਿਆ ਫਾਈਬਰ ਆਪਟਿਕ ਨਿਰਮਾਤਾ

ਫਲੋਰੋਸੈਂਟ ਫਾਈਬਰ ਆਪਟਿਕ ਤਾਪਮਾਨ ਮਾਪ ਫਲੋਰੋਸੈਂਟ ਫਾਈਬਰ ਆਪਟਿਕ ਤਾਪਮਾਨ ਮਾਪਣ ਵਾਲਾ ਯੰਤਰ ਡਿਸਟਰੀਬਿਊਟਡ ਫਲੋਰੋਸੈਂਸ ਫਾਈਬਰ ਆਪਟਿਕ ਤਾਪਮਾਨ ਮਾਪ ਸਿਸਟਮ

Why do switch cabinets need fiber optic grating temperature sensing fire detection systems

The switchgear is a key equipment in the substation, and its internal switch contacts complete the execution of power dispatching. Due to excessive load, aging of contacts, and improper contact, the temperature of the contacts in switchgear can rise. Excessive temperature can easily cause fires, power supply failures, power outages, and personal and property losses. The current temperature measurement method in substations mainly uses handheld infrared thermometers to measure temperature, and conducts daily inspections of each switchgear to obtain temperature status information. Each substation urgently needs an online temperature measurement technology that can automatically collect the temperature of each contact in real time, monitor temperature changes in a timely and accurate manner, and issue warnings before the temperature becomes too high, so that managers have sufficient time to take corresponding measures to avoid power outages and fires.

Fiber optic temperature sensing technology can develop a fiber optic grating temperature sensing fire detection system, which can monitor the temperature of switchgear in real time and provide early warning and alarm. The system adopts an all fiber sensing passive temperature measurement method, eliminating the safety hazards of the monitoring system itself and greatly improving the availability of the monitoring system for power temperature monitoring. This fiber optic temperature measurement system is used by many power plants and power supply companies, greatly reducing the occurrence of fire accidents and truly achieving prevention before it occurs, in line with the safety concept ofsafety first, prevention orientedin the power industry.

What are the main functions of the fiber Bragg grating temperature measurement system host

1. Temperature sensing devices are flame resistant and explosion-proof.

The temperature measurement part adopts an all fiber structure, which truly realizes passive temperature monitoring. It is not charged, does not generate heat, and will not pose any safety hazards due to the deployment of the sensing system.

2. High temperature measurement accuracy and fast response.

The temperature measurement host has high temperature resolution and high temperature measurement accuracy. The full channel scanning time is short, with a temperature detection time of about 2 seconds for 16 ਚੈਨਲ.

3. Real time online monitoring.

Monitor the temperature of all measuring points in the substation switchgear continuously for 7×24 ਘੰਟੇ, and regularly save the temperature measurement data to provide auxiliary data for the health monitoring of each switchgear.

4. Accurate spatial positioning.

Fiber Bragg grating temperature sensing corresponds to each measurement point position, and each sensor has global uniqueness. The upper computer monitoring software can accurately locate the location of the sensor that triggered the alarm.

5. Flexible partition alarm control.

Through the monitoring software on the upper computer, different temperature measurement points can be managed in different zones according to customer needs. ਆਮ ਤੌਰ 'ਤੇ, the contacts inside the same switchgear are set as one zone. Set different alarm parameters for each temperature measurement point, such as temperature warning, temperature rise warning, temperature alarm, and temperature rise alarm, to accurately distinguish between real and false fires, eliminate false alarms and omissions.

6. Comprehensive self diagnostic function.

Each temperature sensor in this system has wavelength uniqueness, and the system database can remember its precise location. At the same time as each temperature measurement, the system performs self testing and diagnosis to detect sensor faults in real time for timely repair and maintenance.

7. Powerful software features.

Real time display of the location, temperature values, and temperature changes of each monitoring area on the human-machine interface. If the upper computer is equipped with a SMS alarm module, the alarm information can be sent to the designated personnel’s mobile phones to ensure timely handling of fire hazards. On the upper computer, historical temperature data and alarm records can also be queried to generate safety operation reports.

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