CN202831857U

CN202831857U - Electronic induction lock

Info

Publication number: CN202831857U
Application number: CN 201220316496
Authority: CN
Inventors: 尤士豪; 彭来湖; 陈绪军; 潘青
Original assignee: Zhejiang Sci Tech University ZSTU
Current assignee: Zhejiang Sci Tech University ZSTU
Priority date: 2012-06-28
Filing date: 2012-06-28
Publication date: 2013-03-27
Anticipated expiration: 2022-06-28

Abstract

An electronic induction lock comprises a key, a lock body and a lock tongue. The lock body comprises a lock case and a lock cylinder, wherein the lock cylinder is mounted in the lock case in a rotatable mode, and a lock hole used for inserting the key is formed in the lock cylinder. One end of the lock tongue can be mounted in the lock case in a linear telescopic mode, and the lock tongue is in linkage with the lock cylinder. A passive electronic tag is arranged in the key. A control module used for reading the passive electronic tag is arranged in the lock case and connected with a solenoid valve. The solenoid valve is in linkage with a plug pin which is inserted in a limiting groove of the lock tongue. The electronic induction lock is low in cost and good in safety performance.

Description

The electronic induction lock

Technical field

The utility model relates to lock, divides the fixed building section that belongs to by International Patent Classification (IPC) (IPC), lock, key-distinguishing.

Background technology

At present, theftproof lock, safety door latch general on the market all are comprised of lock core, pellet, spring, dead bolt, key etc., unblank with the coupling of pellet and shaped as key bit.But the key of pure like this mechanical realization lock is easy to by bootlegging, thereby affects personal safety as well as the property safety.This just needs a lockset, and this lockset requires to have maximum safety, can effectively prevent because key is replicated, by force the steal phenomenon that causes of the reason such as picking lock.

Therefore more complicated lock core structure occurred on the market, used electronic recognition system distinguishing keys or unlocking person, safety is ensured although it is so, but the price of this lock is also corresponding very high, and general individual or family burden do not rise, and the scope of application is narrow.Traditional electronic lock, a kind of is door lock in the hotel, but this lockset only could reduce cost in extensive the installation, and the scope of application is confined to the scopes such as hotel, large-scale company.Another is exactly coded lock or Fingerprint Lock, guarantees safety by distinguishing password or identification fingerprint, but is not suitable for average family because of high cost equally.This just needs a lockset, under cost and the traditional the same cheap prerequisite of mechanical lock, has than standard machinery and locks higher safety.This just needs a cheaply electronic induction lock, uses electronic recognition system to guarantee safety.

Summary of the invention

In order to overcome the deficiency that can not take into account safety and cost of existing theftproof lock, the utility model provides a kind of electronic induction with low cost, that safety is good to lock.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of electronic induction lock, comprise key, lock body and dead bolt, described lock body comprises lock housing and lock core, described lock core is installed in rotation in the lock housing, be provided with the lockhole that inserts for key in the described lock core, but be installed in the lock housing described dead bolt one end linear telescopic, and described dead bolt and the interlock of described lock core, in the described key passive electronic label is installed, the control module that is used for reading described passive electronic label is installed in the described lock housing, described control module is connected with electromagnetic valve, described electromagnetic valve and latch interlock, and described latch is plugged in the stopper slot of described dead bolt.

Further, described control module is connected with power supply.

Further again, described control module is made of STM32F103 single-chip microcomputer and radio frequency read-write chip, and described radio frequency read-write chip is connected with STM32F103 single-chip microcomputer signal input part, and described STM32F103 single-chip microcomputer signal input part is connected with electromagnetic valve.

The beneficial effects of the utility model are mainly manifested in: the safety that this lock uses electronic recognition system to improve this lockset.Make this electronic induction mechanical lock not only aspect safety, surpass currently marketed common theftproof lock, and on the cost again far below high-end lockset.

This electronic induction mechanical lock can not only effectively be avoided because key is replicated or the by force theft that causes of picking lock, and simple in structure, with low cost, and security performance surpasses currently marketed standard machinery lock, is applicable to conventional unit and family.

Description of drawings

Fig. 1 is the structural representation of electronic induction lock.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

With reference to Fig. 1, a kind of electronic induction lock, comprise key, lock body and dead bolt 4, described lock body comprises lock housing 8 and lock core 2, described lock core 2 is installed in rotation in the lock housing 8, be provided with the lockhole 1 that inserts for key in the described lock core 2, but be installed in the lock housing 8 described dead bolt 4 one end linear telescopics, and described dead bolt 4 and described lock core 2 interlocks, in the described key passive electronic label is installed, described lock housing 8 interior installations are used for reading the control module 3 of described passive electronic label, and described control module 3 is connected with electromagnetic valve 5, described electromagnetic valve 5 and latch 6 interlocks, described latch 6 is plugged in the stopper slot of described dead bolt 4.

Described control module 3 is connected with power supply 7.Described control module 3 is made of STM32F103 single-chip microcomputer and radio frequency read-write chip, and described radio frequency read-write chip is connected with STM32F103 single-chip microcomputer signal input part, and described STM32F103 single-chip microcomputer signal input part is connected with electromagnetic valve.

In the present embodiment, load onto passive electronic label in key inside, when opening the lock with the key, be used for the identification key and whether mate.At dead bolt 4 automaton is installed, limitation lock tongue 6 is not flexible when having correct key unlocking.Automaton comprises electromagnetic valve 5, latch 6.Its method is to open a slot at dead bolt 4, and its top is plugged in electromagnetic valve 5 is installed, electromagnetic valve 5 control latches 6, and latch 6 can insert stopper slot and extract from stopper slot fully.The purpose of design is like this: key internal passive electronic tag can be read by the radio frequency read-write chip in the control module 3, even shaped as key bit is replicated like this, automaton is locked with dead bolt, and the thief can not open the door, and can also avoid by force picking lock simultaneously.

In the inner control module 3 of installing of lock body, when unblanking, be used for the matching of identification key and the switch of control electromagnetic valve 5.Control module 3 is made of radio frequency read-write chip and STM32F103 single-chip microcomputer.When unblanking, key is inserted lockhole 1, if shaped as key bit is correct, because passive electronic label is within radio frequency read-write chip read range, the radio frequency read-write chip reads the information in the passive electronic label, sends working signal to the STM32F103 single-chip microcomputer, 5 energisings of STM32F103 Single-chip Controlling electromagnetic valve, according to electromagnetic principle latch 6 is extracted, dead bolt 4 can normally be stretched.Thereby normally screw key is unblanked.

The maximum operating distance of radio frequency read-write chip and passive electronic label is 10 centimetres, the reason of design is like this: if one. the maximum operating distance of radio frequency read-write chip and passive electronic label is too large, when key when electronic induction locks near but is not used for unblanking, behind the control module 3 identification keys, can control electromagnetic valve 5, make it be in opening, waste electric power always.Two. electromagnetic valve 5 can in time be worked, before screw key opens the door, just latch 6 is extracted, avoid latch 6 restriction normal door.

After ending door and extracting key, control module 3 can postpone just to close in 60 seconds.The purpose of design is like this: the rear electromagnetic valve 5 that prevents from opening the door directly quits work, and latch 6 inserts slot, and dead bolt 4 consequently can't directly be closed the door by locked.

At indoor location one switch, switch STM32F103 single-chip microcomputer direct and in the control module 3 is connected, and Push switch makes the work of STM32F103 single-chip microcomputer, and control electromagnetic valve 5 is directly opened, and pulls up slot 6.Purpose of design is: one. convenient indoor opening the door.Two. in time do not close the door when causing dead bolt locked after opening the door, conveniently close the door.

The Internet of Things concept: " Internet of Things concept " is on the basis of " internet concept ", its user side is extended and expands between any article and the article, carries out information exchange and a kind of network concept of communicating by letter.Its definition is: by information sensing equipment such as radio frequency identification (RFID), infrared inductor, global positioning system, laser scanners, agreement by agreement, any article are connected with the internet, carry out information exchange and communicate by letter, to realize a kind of network concept of intelligent identification, location, tracking, monitoring and management.The utility model namely utilizes radio frequency read-write chip and this radio frequency identification of passive electronic label (RFID) read-write equipment to include the electronic induction mechanical lock management and supervision of Internet of Things in, and safety of the present utility model is further promoted.

Embodiment 1: with reference to Fig. 1, key is inserted lockhole 1, rotate key, control module 3 reads the information of passive electronic label in the key, the key coupling, and control module 3 control electromagnetic valves 5 are extracted latch 6, rotate key, and dead bolt 4 is opened.

Embodiment 2: with reference to Fig. 1, key is the profile of tooth copied key identical with original-pack key, and key is inserted lockhole 1, and control module 3 can not read the information of key, and key does not mate, and control module 3 is not worked, and dead bolt 4 is not opened.

Such as Fig. 1, in the above-mentioned control module 3, passive electronic label in key with the distance of radio frequency read-write chip less than 10 centimetres, the radio frequency read-write chip reads the signal of passive electronic label, Signal Matching, radio frequency read-write chip send working signal to the STM32F103 single-chip microcomputer, 5 energisings of STM32F103 Single-chip Controlling electromagnetic valve, according to electromagnetic principle latch 6 is extracted, thereby normally screw key is unblanked.

After extracting key when opening the door, dead bolt 4 bounces back into normal condition, and in 60 seconds, the STM32F103 single-chip microcomputer works on, and electromagnetic valve 5 keeps energising, and latch 6 does not insert in the slot, can normally close the door.After 60 seconds, the STM32F103 monolithic quits work, electromagnetic valve 5 outages, and latch 6 reinserts in the slot, and dead bolt 4 is by locked.

After extracting key when opening the door, dead bolt 4 bounces back into normal condition, does not close the door in 60 seconds, and the STM32F103 single-chip microcomputer quits work, electromagnetic valve 5 outages, and latch 6 reinserts in the slot, and dead bolt 4 is by locked.Click indoor switch, the STM32F103 single-chip microcomputer is reworked, and makes electromagnetic valve 5 energisings, and control latch 6 is extracted from slot, can normally close the door.After 60 seconds, the STM32F103 single-chip microcomputer quits work, electromagnetic valve 5 outages, and latch 6 reinserts in the slot, and dead bolt 4 is by locked.

Claims

1. an electronic induction is locked, comprise key, lock body and dead bolt, described lock body comprises lock housing and lock core, described lock core is installed in rotation in the lock housing, be provided with the lockhole that inserts for key in the described lock core, but be installed in the lock housing described dead bolt one end linear telescopic, and described dead bolt and the interlock of described lock core, it is characterized in that: in the described key passive electronic label is installed, the control module that is used for reading described passive electronic label is installed in the described lock housing, described control module is connected with electromagnetic valve, described electromagnetic valve and latch interlock, and described latch is plugged in the stopper slot of described dead bolt.

2. electronic induction as claimed in claim 1 is locked, and it is characterized in that: described control module is connected with power supply.

3. electronic induction as claimed in claim 1 or 2 is locked, it is characterized in that: described control module is made of STM32F103 single-chip microcomputer and radio frequency read-write chip, described radio frequency read-write chip is connected with STM32F103 single-chip microcomputer signal input part, and described STM32F103 single-chip microcomputer signal input part is connected with electromagnetic valve.