Smoke alarm, also called fire smoke alarm, smoke sensor, smoke sensor, etc. Powered by the bus, there can be multiple connections on the bus, which are connected to the fire alarm controller and communicate with each other to form an alarm system. There is no sound at the scene when an alarm occurs, and the host has sound and light prompts. This type of smoke alarm device is generally called smoke detection Device. Smoke detectors have address codes and those without address codes.
Discuss the characteristics of home fires and fire prevention measures,
It is of practical significance to prevent family fires and reduce fire losses. In modern urban families, many people do not understand family safety knowledge to cause fire accidents, which makes good and happy families destroyed in an instant, and some lead to family destruction, and once a residential family occurs Fire, improper handling, and delay in reporting are the main causes of casualties. Therefore, people should actively understand the main causes of home fires, master the knowledge to prevent fires and the methods to protect themselves in the event of a fire, and eliminate them in time.
There are more than 50,000 serious home fires in the UK every year, most of which cause casualties and major family property losses, and some also affect the neighbors and even more serious fire losses. When investigating the cause of the fire, most of the parties involved in the fire family said that they used to think that the fire was a matter of others and was far away from them. They did not expect that this time it would happen to them.
The main cause of family fires is carelessness and failure to take preventive measures in time
If simple fire prevention measures can be taken in advance according to the actual situation of your home, some tragedies can be completely avoided.
The "smoke alarm" is composed of two parts: one is an inductive sensor used to detect smoke, and the other is an electronic speaker with a very loud sound, which can alert people in time if a danger occurs. To maintain the normal operation of the smoke alarm, only a 9-volt battery is needed. Today, the most commonly used smoke alarms in the world are photoelectric smoke alarms and ionization smoke alarms.
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