1. The use of steel plate + conforming to the fireproof layer structure enhances the vault's ability to resist violent damage and fire resistance;

2. Adopting fingerprint access control, its unique feature avoids the risks of common mechanical code locks and key locks, the keys are easily lost, misappropriated, and stealing. The door opening record can be queried in real time.

3. Adopt imported combination lock, its anti-violence and destruction ability is stronger than ordinary combination lock;

4. Install the four-lock linkage mechanism, so that the original four locks (three combination locks and one electronic lock) are integrated into one whole. During normal use, two combination locks and one electronic lock are opened, and the third combination lock is used as a backup. If a common lock fails, the backup lock can replace the fault lock to open the library door, avoiding the need to destroy the lock before opening the library door Happening.

5. Install a code lock automatic scrambler, which can avoid the situation of the library manager or negligent forgetting to disturb the code lock. The gear set garbled is used, which is more stable than the original chain garbled, with a slower rotation speed and a shorter rotation period, which greatly reduces the wear on the code lock;