How can sensors provide us with a safe environment?
There are too many hidden dangers in homes. In addition to electricity, combustible gases and polluting gases will still threaten lives. Are there tools that help us monitor in real time when we are negligent? Sensors, just like human features, are important tools for obtaining information. Smart sensors are one of the most important technologies for the development of the Internet of Things. They will continue to improve their functions by combining artificial neural networks and artificial intelligence.
Intelligent security system
When smart sensors are linked with smart door locks and smart surveillance at the same time, it forms the most critical mode in smart homes-smart security systems. The smart door lock improves the security level of the house and provides convenient and user-friendly operation options. After the gas detection detects the leakage of harmful gases such as natural gas and combustible gas, the device can issue audible and visual alarms, and push the alarm information to the mobile phone APP. Can be linked with fresh air to automatically ventilate.
Intelligent surveillance can provide two-way voice and store surveillance videos to the cloud. Can provide motion detection, and comes with infrared night vision function, you can see clearly in the dark night. Detect dangerous intrusion information, intelligent early warning through infrared detection, door magnetic detection and other equipment, and send the information to the user's mobile phone. Smart homes are combined into a safe and intelligent space through point-and-line surfaces, and then smart sensors are generally present as "five features." Using intelligent technology to prevent and monitor, to minimize hidden dangers, this is our comfortable and safe intelligent living.
In recent years, with the popularization of the concept of smart home, smart home is getting more and more attention. In addition to being comfortable, smart home is characterized by safety. Among them, a variety of smart sensors are used.
1.Temperature and humidity sensor
The temperature and humidity sensor can detect the temperature and humidity in the air through a special detection device, and convert it into an electrical signal or other required form to output information according to a certain rule. Temperature and humidity sensors are used wherever temperature changes and water vapor content in a gas need to be monitored. It is not only related to the quality of the home environment, but also closely linked to human health. It can be said to be an important part of smart homes. Generally, it can be used to link air conditioners, purifiers, and so on.
A gas sensor is a device that converts information such as gas composition and concentration into information that can be used by personnel, instruments, computers, etc., and is also an important detection method for smart homes. In smart homes, through the gas concentration sensor, the analysis of dangerous gases can be achieved, so that targeted control strategies can be adopted, which is also an important link to maintain the safety of family life and eliminate dangers in the unoccurred period. This type of sensor is generally placed in the kitchen, such as gas alarms, carbon dioxide sensors, and so on.
3.Door magnetic sensor
Door magnetic sensors can be used to detect whether doors, windows, etc. have been opened or moved illegally. This kind of sensor is generally installed on the door or window and senses the opening and closing of the door and window. It is used with other intelligent security products to prevent dangerous intrusion. It is composed of a door magnet body and a permanent magnet. After the two leave a certain distance, the door magnet sensor will send a radio signal to the system terminal to alarm.
4.Infrared sensor
Infrared sensor is a measurement system using infrared as the medium. It mainly works through the physical effect of infrared radiation and material interaction. In the smart home industry, it mostly uses the electrical physical effects presented by this interaction to turn on and off electrical appliances with infrared switches.
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