Intelligent entrance guard system

Abstract

The invention discloses an intelligent entrance guard system which comprises a microprocessor, as well as a level switch chip A, a level switch chip B, a fingerprint sensing circuit, a speech circuit, a drive circuit, a clock chip, a camera, a GPRS (general packet radio service) module, a matrix keyboard and a display, which are connected with the microprocessor respectively. The level switch chip A is connected with a door magneto-sensing circuit, the level switch chip B is connected with a vibration sensing circuit, the fingerprint sensing circuit is mounted on the outer surface of a key on the matrix keyboard, the drive circuit is connected with a control circuit, and the GPRS module is connected with a remote receiving device. By mounting the fingerprint sensing circuit on the outer surface of the key on the matrix keyboard, the fingerprint sensing circuit can be hidden to greatly improve the security of the intelligent entrance guard system; through the combination of a coded lock and fingerprint recognition, a door can be opened only under the condition that both the code lock and a fingerprint are right, so that trespass can be prevented effectively.

Description

Technical field [0001] The invention relates to the field of security, and specifically refers to an intelligent access control system. Background technique [0002] With the improvement of material living standards, people have higher and higher requirements for access control systems. At present, the more advanced access control systems on the market usually use electronic locks or fingerprint locks. The electronic lock controls the operation of the circuit or chip through the password input, thereby controlling the closing of the mechanical switch, and completing the unlocking and locking tasks. Fingerprint lock is a kind of smart lock which uses human fingerprint as identification carrier and means. Although both have their own advantages, there are still corresponding shortcomings. When entering the password for the electronic lock, if there is someone next to it or it is not completely covered, the password is easily stolen. The fingerprint lock has a large scanning sur...

AI Technical Summary

Problems solved by technology

The fingerprint lock has a large scanning surface area and is made of plastic, which is easy to leave fingerprint traces and is easy to be copied

In addition, the fingerprint information of the fingerprint lock is in the lock, once the lock is maliciously damaged, it is easy to steal the fingerprint information, and each person's biological characteristics are unique, once stolen, there is a security risk

Since both password locks and fingerprint locks have their shortcomings, their security is not very high

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