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Rika Sensor is a weather sensor manufacturer and environmental monitoring solution provider with 10+ years of industry experience.

Analyze the installation of smoke alarm and its precautions

by:Rika Sensors     2021-11-30
Analyze the installation of smoke alarm and its precautions
The smoke alarm is to monitor the concentration of smoke to achieve fire prevention. The inside of the smoke alarm adopts the principle of photoelectric smoke alarm. The photoelectric smoke sensor is a kind of advanced technology, stable and reliable sensor, and is widely used in various In the fire alarm system, the performance is far better than that of gas-sensitive resistance fire alarms. It is suitable for smoke monitoring in indoor environments such as residences, shopping malls, hotels and warehouses.

RS-YG-N01 smoke alarm adopts photoelectric smoke sensing principle design, built-in smoke sensor and photoelectric smoke device. Smoke moves upwards. When it rises to the bottom of the ceiling and enters the inside of the alarm, the smoke particles will scatter part of the light beam to the photosensitive element. The denser the smoke, the more light is scattered on the photosensitive element. When the light beam scattered on the sensor reaches a certain level, the buzzer will sound an alarm. At the same time, the sensor converts the light signal into an electric signal and transmits it to the automatic fire alarm system to prompt a fire.

The independent smoke alarm has the characteristics of precise measurement, sensitive response and high stability; it complies with the fire protection GB4715-2005 standard, adopts ceiling installation, does not need to debug, and can detect fire in 360° ; The use of patch technology can resist the interference of EMI and RFI. Once the 'signal' of the burning of the object is 'captured

According to statistics, with smoke alarms, the proportion of casualties and property losses caused by fires has been greatly reduced. The National Fire Protection Association report shows that once a fire occurs in a house with the recommended number of smoke alarms, the chances of escape for people in the house will be 50% higher than that of a house without installation, so it is necessary to install an alarm at home of.

The correct installation of a smoke alarm is the first step to ensure fire safety, so how to install it correctly?

Installation method

1. Choose a suitable installation location, generally installed on the ceiling in the middle of the room.

2. The power input can be 10~30V. When wiring the 485 signal wire, pay attention to the two wires A and B not reversed, and the addresses of multiple devices on the bus cannot be conflicted.

3. Fix the mounting base on the ceiling with screws.

4. It is recommended to conduct a simulated fire alarm test after installation to test whether the alarm can be used normally.

Precautions for installation

1. The alarm should be protected from dust, and the dust cover must be taken off after the project is officially put into use;

2. When installed on the roof, if it is installed on a slope Or human-shaped roof, the alarm should be kept at a certain distance from the roof. When the slope is less than 30°, the distance should be 0.2m; when the slope is greater than 30°, the distance should be 0.3m~0.5m;

3. Normally, there are places where smoke stays, and the smoke alarm is highly sensitive to smoke. Therefore, for places that are prone to smoke, such as kitchens, smoking places, etc., it is likely to alarm by mistake;

4. Places with large dust, water mist, steam, oil mist, and corrosive gases;

5. The temperature and humidity of the working environment of the smoke alarm should not exceed -10~50℃, and avoid the relative humidity greater than 95% and the ventilation speed greater than 5m. /s;

6. Avoid installing near fluorescent lamps;

7. It is recommended to conduct a simulated fire alarm test every six months to test whether the alarm is working properly.

8. Do not cover the smoke alarm with tape, plastic bags, etc.!

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