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| The correct use of smoke detectors |
| 2021.08.18 |
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As we all know, fires bring serious disasters to families, ranging from financial losses to personal injuries. For a family, there are many reasons for a fire: careless use of fire, smoking, children playing with fire, aging of electrical equipment, and electrical equipment. Installation is not in compliance, etc., and the smart home detector is not soft in preventing fires. It is like a loyal home guard. It can control the fire in time and stifle the danger in the cradle at the beginning of the fire. The smart home detector is explained in detail below. Correct installation and working principle.
The classification of smoke detectors is generally divided into point type and line type from the detection range, point type is divided into ion smoke and photoelectric smoke, and line type is divided into laser smoke and separated infrared beam smoke. Most of the smoke detectors suitable for our homes are photoelectric smoke detectors.
The working principle of photoelectric smoke detector:
The photoelectric smoke detector is developed by using the basic property that the smoke produced during a fire can change the propagation characteristics of light. When the smoke concentration reaches a certain level, the photoelectric smoke detector sends out an alarm signal. Absorption and scattering effects. Photoelectric smoke detectors are divided into shading type and astigmatism type. According to different access methods and battery power supply methods, they can be divided into networking type smoke detectors, independent type smoke detectors, and wireless type smoke detectors.
Networked smoke detectors are generally suitable for large-scale automatic fire alarm systems. Simple to understand, they need to be used with the central control host and cannot work independently, but the front-end signal collection has no on-site output function. Independent smoke detectors, Generally suitable for family use, it can collect the alarm signal on site, and send out the alarm sound and light on site, the installation is simple and easy to use.
Wireless smoke detectors are generally suitable for small home wireless alarm systems. They are used in conjunction with the central control host. They use wireless communication with the control host. The structure diagram of the photoelectric smoke detector is as follows. After entering the smoke storage cavity and the photosensitive element cannot receive the infrared light normally, the detector issues an alarm.
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