A magnetoelectric coupling lock cylinder

Abstract

The invention discloses a magnetoelectric coupling lock core, which includes a bracket, and is characterized in that: the middle part of the bracket is provided with multiple groups of array-distributed password identification holes, and the password identification holes include sequentially and coaxially distributed from top to bottom. A magnetic source hole, a first transition hole, a second transition hole and a magnetoelectric coupling hole, a key slot is arranged between the first transition hole and the second transition hole; a permanent magnet is arranged in the magnetic source hole, and the The inner end of the magnetoelectric coupling hole is provided with a giant magnetostrictive rod, and the outer end is provided with a piezoelectric ceramic stack. The magnetoelectric coupling lock core also includes a key, and the key is provided with a key corresponding to the password identification hole one by one. The thickness of the magnetic conductive sheet is an adjustable amount directly related to the password. When the key is inserted from the key slot to the bottom, each magnetic conductive sheet is coaxially distributed with its corresponding password identification hole. The magnetoelectric coupling lock cylinder has the characteristics of high reliability and difficult cracking.

Description

[Technical field][0001]The present invention relates to the technical field of cryptographic locks, and more particularly to a magnetoelectrically coupled lock core.【Background technique】[0002]In the password lock field, mechanical and electronic types are two most common secure lock cores.[0003]The mechanical secrecy lock core, has high reliability, free from maintenance, it is that the change of mechanical friction is unlocked, and the method of breaking the password is guided, so the safety of the mechanical confidential lock core is limited The electronic security lock core has the advantages of simple operation, high complexity. Its disadvantage is that it is easy to be maliciously mechanically damaged or malicious, so reliability is limited.[0004]In the prior art, it has not been found to effectively combine mechanical confidentiality and electronic confidentiality, and a password that can be effectively combined with the advantages of mechanical confidential lock core and ele...

AI Technical Summary

Problems solved by technology

[0003] The mechanical security lock cylinder has the advantages of high reliability and maintenance-free. Its disadvantage is that the change of mechanical friction will be used by unlocking experts, which has a guiding role in cracking passwords, so the security of the mechanical security lock cylinder is limited. ;The electronic security lock cylinder has the advantages of simple operation and high password complexity, but its disadvantage is that it is easy to be mechanically damaged or interfered maliciously, so the reliability is limited

[0004] In the prior art, no lock cylinder that effectively combines mechanical security and electronic security has been found, but in real life, there is an urgent need for a password that can effectively combine the advantages of mechanical security lock cylinders and electronic security lock cylinders. Lock, this is the background of the present invention

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