HC Security Network News from the traditional wooden locks Lock Yangshao period to the current A / B / C grade locks, its development has experienced at least more than 5000 years of history. But linking the lock to the word "smart" is still something that was only available in the 21st century. So what is a smart lock? Intelligent door lock refers to a lock that is different from traditional mechanical locks in terms of user identification, security, and management. It mainly covers fingerprint locks, electronic code locks, electronic sensor locks, network locks, and remote locks.
To put it bluntly, the biggest difference between a smart lock and a mechanical lock is that the former has electronic components such as a fingerprint module, a motor, a processor, and a wireless connection module, while the latter does not; therefore, the smart lock needs electricity to be driven, and the mechanical lock does not.
At present, the most power-hungry area of ​​smart door locks is communication. Because the user's mobile phone must be connected to the smart lock at all times, the door lock must always be in the state of non-stop communication, so the power consumption is naturally accelerated. Of course, motor drive, standby, input password, screen, etc. are also consuming power.
Since electric drive is needed, it involves power consumption. Therefore, many users are worried: What should I do if the smart lock is dead? Will it be rejected? In theory, there is no risk of returning home without electricity. However, as long as the smart locks comply with the relevant national industry standards, it will basically not be rejected because the battery is dead.
For example, in the "GA374-2001 Electronic Anti-theft Lock" standard, electronic locks must be reserved for mechanical keyholes in case of emergency. Of course, with the smart lock, 90% of the users choose not to have the key, because the key is missing, forgotten, but for the sake of prevention, it is recommended that the user reserve an emergency key in the office, in the car or in the bag. .
In the "GA701-2007 Fingerprint Anti-theft Lock General Technical Conditions", strict requirements are imposed on the battery and power consumption of the smart lock: the operating current of the battery should be no more than 500 Ma, and the operating current in the sleep state should be no more than 50 μA. The battery capacity can be guaranteed. The lock is normally opened and closed 3000 times without the undervoltage alarm indication. When the undervoltage warning indication occurs, the normal opening and closing operation should be guaranteed to be no less than 50 times. As shown below:
Based on the above criteria, let's do a simple arithmetic problem. According to the standard requirements, the smart lock battery capacity can guarantee normal opening and closing 3000 times, and it can be used for 300 days, which is 10 months. From this point of view, a qualified smart lock only needs to change the battery at most once or twice a year. Even if the user receives the battery undervoltage alarm indication, it can continue to use 50 times.
Therefore, as long as the smart lock meets the above criteria, the user can not be worried about the fact that the smart lock is out of power and is rejected. Therefore, when purchasing smart locks, users should first choose a brand with high reputation and good reputation. Secondly, they can't be cheap, buy smart locks with prices lower than the industry level. It is best to buy smart locks with a price of around 3,000 yuan. Again, it depends on whether the smart lock passes the test of the Ministry of Public Security's testing center and sees what standards it implements.
At present, in addition to most smart locks with battery power consumption warning function, and can remind users to replace the battery in time by SMS and voice, some enterprises have launched hand cranks in order to avoid users' concerns about the power consumption of smart locks. The smart lock that handles the power generation can charge the smart lock with a few handles when the battery is exhausted, so that the lock can be smoothly opened.
In a word: If you don't want to be rejected because the smart lock is out of power, you can't choose a smart lock that is low-priced and does not meet the relevant national standards.
Editor in charge: Zhang Zequn
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