A brief introduction to the word lock unlocking technology

The word lock unlocking technology is the focus of this article. The China Consumers Association has issued a consumer warning on its official website. The A-level lock of the security door can be opened for dozens of seconds or even seconds. Consumers should replace such lock cylinders as soon as possible. According to the police, most of the burglary cases are old and urban villages. The important reason is that the door locks are old.

One-word lock unlocking technology

A China Consumers Association calls for the replacement of the A-class lock cylinder

In the random sampling survey of the China Consumers Association, more than 50% of households still use Class A locks, and most of the old communities use this type of lock cylinder. This type of lock has decreased in safety with the development of unlocking technology.

According to the provisions of the Ministry of Public Security GAT73-94 "Mechanical Anti-theft Lock", the anti-theft lock is divided into the general protection level and the advanced protection level according to its anti-theft ability. The lock of the general protection level is indicated by the letter "A", and the lock of the advanced protection level is marked with the letter "B". Said. The safety of the B-class lock cylinder is because in the actual test, the time when the B-class anti-theft lock is broken and opened is higher than the national standard, and it is higher than the thief's criminal psychological endurance time. China Consumers Association also appealed to everyone in the consumer warning to replace the A-class lock cylinder as much as possible.

BB-level locks range from 100 yuan to 300 yuan

The Jianghuai Morning News reporter learned that the current locks on the market are divided into A-class, B-class, Super-B-class and C-class anti-theft locks. The China Consumers Association called for the replacement of the A-class anti-theft lock. The key to this type of lock is mainly a key and a cross key. According to the reporter's observation, the internal structure of the A-class lock cylinder is very simple, limited to the change of the marble, the marble groove is small and shallow. The anti-technical opening time is extremely high within 1 minute. The B-class lock key is a flat-panel key with a double-row marble slot. The difference with the A-class lock is that the key surface has a row of curved and irregular lines.

Among the many stores that operate anti-theft locks, the A-class lock cylinders are generally less than 100 yuan, while the B-class and above lock cylinders are mostly 100-300 yuan, and some C-class locks even have a price tag of more than 300 yuan.

C unlock master recommends anti-locking anti-theft door before going to bed

Is the lock really easy to open? Will the actual situation be as described in the China Consumers Association? Yesterday, our reporter consulted a master Wang who had more than ten years of experience in unlocking this issue. Master Wang has found four different levels of lock cylinders from A to C for live demonstrations. After the demonstration, the reporter found that Master Wang can easily open the A-class lock within 10 seconds at the fastest speed, while the B-class lock takes 30 minutes at the fastest. For the Super B-class lock and the C-class lock, it is almost not Ability to unlock the technology.

"According to my many years of experience, I still hope that everyone can eliminate the A-class lock cylinder and choose a lock core with higher safety performance." In addition, Master Wang also reminded the general public that the anti-lock knob on the door can be used from the inside before going to sleep at night. Locked, "This is how you can't open the door lock from the outside."