In the application of perimeter security, various security systems such as infrared radiation, electronic fence, and infrared grating can be used. Among them, the infrared radiation security system is widely used in the field of perimeter prevention, involving communities, villas, enterprises, government, schools and other industries.
In the practical application of infrared radiation, it is inevitable that some problems will be encountered and it needs to be handled in time so that the entire security system can operate normally. Taking the two-beam infrared beam from Eleonium as an example, we will discuss the related issues.
The indicator does not light after power on
Analyze the reasons:
1, no power line voltage;
2, open circuit or short circuit;
3, the polarity is not correct;
4, beyond the specified voltage;
5, the power cord exceeds the specified length.
solution:
1, check the power adapter line;
2, check the line;
3, check the polarity of the voltage;
4, replace the adapter
5, replace the power cord.
After the light beam is completely blocked, the warning light does not shine, and the alarm has no output
Analyze the reasons:
1, there are reflectors or other transmitters around the receiver;
2. The light beam is not completely blocked;
3, set off time is too long;
4. The alarm output wiring is incorrect.
solution:
1. Remove reflectors or close other transmitters and recalibrate them;
2, to ensure that the two beams are completely blocked;
3, reduce the interruption time;
4, check the receiver terminals and output lines.
The beam is not blocked, the warning light is on, and the alarm has an output
Analyze the reasons:
1, the beam is not aligned, the optical axis does not coincide;
2. There are obstacles between transmitting and receiving;
3, the frequency is not set correctly;
4, the cover is very dirty live snow, frost, ice cover;
5, transmitter no emission output
solution:
1, re-correct the optical axis;
2, check the obstacle between launch and receive;
3, to ensure that the transmitter and receiver frequency settings are the same;
4, clean the cover, use the heater;
5, check the transmitter power supply, current and wiring.
False alarm
Analyze the reasons:
1. Abnormal wiring and power supply fluctuations, line corrosion, etc.;
2. There are moving obstacles such as birds, newspapers, leaves, etc.
3, the installation basis is unstable;
4, not completely aligned.
solution:
1, check the power supply, current and wiring;
2, change the installation location;
3. Strengthen the foundation or choose a firm installation place;
4. Re-correct the optical axis.
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