Security exists in any corner that we have never found around us, whether it is a community, an office building or a street, a security system is required to ensure social security. So when security becomes intelligent, what changes will it make to all areas of society? The security system can be regarded as a "security" role in the smart home, which has three major components: alarm, access control and monitoring. The alarm system of intelligent security can be combined with sensors such as door sensor, window sensor, infrared displacement, smoke detector, gas detector, water immersion detector, glass breakage detector, etc., to monitor and judge all emergencies in the room in real time and trigger an alarm The system "protects" the entire home environment in an automated and intelligent way. At the same time, the intelligent monitoring system can also realize remote monitoring screen. Users can monitor the movements of all areas of the home in real time through a computer or mobile phone, solve problems in time, and improve the personal safety of the owner.
The composition of the access control system is inseparable from the intelligent door lock, which covers multiple functions such as identity recognition, alarm, sensor, etc. In terms of method, the intelligent door lock can be swiped by card, identity, electronic password, APP authorization, identification and other methods. on. It also has protection and linkage functions. When the owner returns home, the smart door lock will automatically release the alert state. If encountered, an alarm will be triggered, or the user will be notified by message push. The security is much higher than that of traditional door locks. . Like smart speakers, the domestic smart door lock industry is rapidly rising, and the price war has already started. In addition to traditional door lock manufacturers, cross-border companies including Samsung, Xiaomi, Huawei, and Lenovo have all joined the competition. In a complete security system, the smart door lock is a single product with strong rigid demand. It can solve the unavoidable pain points of forgetting and losing the lock in the user's life, and can also bring remote monitoring and home security. benefits. Since 2015, the overall annual sales volume of domestic smart door locks has been increasing. In the first half of 2018 alone, the overall sales volume of the national smart lock industry exceeded 8.3 million sets. It is expected that by 2020, the sales volume of smart door locks will exceed 35 million. Set, in the long run, it is only a matter of time before households realize most of the replacement of smart door locks.
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1.2 The design goals of security monitoring and alarm system Through the analysis of possible school security incidents, we can see that basically they are forced to break into the campus or commit crimes at the school gate; it can be seen that the various entrances and exits of the campus are one of the key areas of security work. , corresponding measures such as video surveillance must be adopted to achieve the functions of prevention and timely reflection. In addition, it is possible for the molecules to use abnormal means on the campus, such as jumping over the walls and other means, so in order to prevent problems before they happen, to take the first pass of security precautions, it is also necessary to strengthen the security measures such as the perimeter, such as the use of video surveillance. and perimeter defense system.
I mentioned before that even if smart lighting and home monitoring systems are separated from the entire smart home system, they are still products that can "fly alone". Security systems not only need to ensure home safety, but are also particularly important at the social level. In recent years, with the support of policies, the security industry has developed rapidly. At present, domestic security companies with strong competitiveness mainly include Hikvision and Dahua. , their security industry ranks in the top ten in the world, followed by Uniview, Keda, Netpower, Jiadu Technology and other companies. As intelligence becomes the future technology trend, most of these enterprises have transformed from traditional security to intelligent security. According to data forecasts, the domestic intelligent security industry will create a market of 100 billion in 2020. The rapid development of the market scale has attracted many competitors outside the security companies to join, only in the three categories of access control, video surveillance, and anti-theft alarm. The manufacturers that can be extended are even more numerous.
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2. The resistance value changes to infinity as an alarm condition. This can be effectively prevented, because when we were there, we did not know what resistance value this alarm system uses. Even if we knew the resistance value, it would increase the difficulty for the system. The reason is very simple. We must ensure that at the moment, for For the alarm host, the resistance value must be the same to not alarm. Therefore, the system is much simpler relative to having no end-of-line resistance. So today you know the function of the end-of-line resistor. Don't be fooled by some bad engineering companies in the future. It is the same whether the resistor is connected or not. In fact, they are there to save trouble.
Even if the intelligent lighting and home monitoring system are separated from the whole system of the smart home, they are still products that can "fly alone". Security systems not only need to ensure home safety, but are also particularly important at the social level. In recent years, with the support of policies, the security industry has developed rapidly. At present, domestic security companies with strong competitiveness mainly include Hikvision and Dahua. , their security industry ranks in the top ten in the world, followed by Uniview, Keda, Netpower, Jiadu Technology and other companies. As intelligence becomes the future technology trend, most of these enterprises have transformed from traditional security to intelligent security. According to data forecasts, the domestic intelligent security industry will create a market of 100 billion in 2020. The rapid development of the market scale has attracted many competitors outside the security companies to join, only in the three categories of access control, video surveillance, and anti-theft alarm. The manufacturers that can be extended are even more numerous.
3. Infrared three-mirror detectors are used in equipment rooms such as dangerous goods storage rooms, laboratories, valuables storage places, water, electricity, and heat. During the time that is not allowed to enter, once someone is in the security room, an alarm signal is immediately received. In addition, the security room is equipped with an emergency alarm button. If someone arrives or is seen through video, you can press the emergency alarm button immediately, and the phone will be automatically dialed to the fixed duty phone to verify whether it is necessary to call the police. The following is the structure of the entire safe campus system as shown in the figure:
Traditional camera surveillance requires someone to keep an eye on the surveillance screen at all times. When emergencies such as fire or malicious intrusion by outsiders occur, only the staff on duty who are watching the surveillance screen can manually call the police. The combination of smart + camera adds more protection to home security. It has powerful functions, which can realize humanoid detection, motion detection, and motion tracking functions. At the same time, it can control the device and view the monitoring screen on the mobile app at any time. The motion detection function can automatically identify and capture any moving objects that break into the home when no one is at home, realize instant alarm and reduce the risk of loss. For shops, the motion detection function can bring a higher level of security protection to the unguarded shops in the dead of night. Even if there is any trouble, the monitoring screen and snapshot pictures will be sent to the mobile APP to be presented to users, no matter where they are. Know the situation at the first time.