CN203175191U

CN203175191U - Intelligent lock head for identifying characteristics of mechanical key

Info

Publication number: CN203175191U
Application number: CN 201320045241
Authority: CN
Inventors: 胡志军
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-01-28
Filing date: 2013-01-28
Publication date: 2013-09-04
Anticipated expiration: 2023-01-28

Abstract

The utility model discloses an intelligent lock head for identifying characteristics of a mechanical key. The intelligent lock head comprises an intelligent lock head body and the mechanical key, wherein the intelligent lock head body comprises a mechanical lock head, a stopping device, a driving device and a control circuit. Unlocking/locking motions of a lock cylinder of the mechanical lock head are controlled by the stopping device, and the control circuit further comprises a sequence code generating device embedded at the back of a lock head elastic device. When the key is inserted, a teeth part of the key pushes the lock head elastic device to trigger the sequence code generating device to generate a sequence code, the control circuit receives and verifies the sequence code, and further motions of the stopping device are controlled by the driving device according to verifying results. The intelligent lock head has electronic and mechanical guarantee, and overcomes the critical defects that algorithms of electronic keys of other electronic locks are leaked or a super secret key is set on purpose. When the key is lost, a user can configure a key by himself, a process for making the key is quite simple, and cost is low.

Description

A kind of intelligent lock of identifying mechanical keyed feature

Technical field

The utility model relates to a kind of intelligent lock of identifying mechanical keyed feature.

Background technology

Tapered end on the market generally has two kinds, pure mechanical lock or electronic lock now.Wherein, simple mechanical lock exists tangible potential safety hazard, and this is well-known.

Electronic lock all is by carrying out sign indicating number is mated with the electronic system in the door lock in that electronic chip is installed on the key usually.Owing to have handshake interface with the external world, therefore, this interface also becomes saboteur's object of attack.Divulge a secret in addition or the critical defect that super key also is electronic lock deliberately is set.

In addition, the electronic lock electron key all is producer control usually, and the user can't own configuration key, and the process of bitting is very complicated, and expense is very high.

The utility model content

At above situation, the purpose of this utility model is to provide a cover, do not use electron key, but adopt pure mechanical key, by obtaining unique characteristic quantity that mechanical key produces by its key bit in insertion process, improve the overall plan of lockset safety performance---by identifying the intelligent lock electric lock head that mechanical key bit portion feature extracts the distinctive digital identity sign indicating number of key during insertion.

Substantially, the utility model comprises two cores, and namely the emerald green mechanical key of getting is in the method for unique characteristic quantity of insertion process generation and the control scheme of unblanking, wherein:

1) characteristic quantity produces and emerald green access method: utilize key that existing machinery locks to the tooth function, and the sequence code maker (password board) of intelligent lock controller is partially submerged into pellet shot from a slingshot rear in the tapered end, when mechanical key inserts, key bit promotes the button on the sequence code maker that pellet shot from a slingshot touches its rear in turn, realization is to the shake-up of button, and button is pressed with the button relieving and all is referred to as once to trigger; In the whole process that key inserts, can press or decontrol different buttons successively, by gathering a series of key assignments sign indicating numbers (being described Serial No.) that state that each button triggers button constantly produces, this Serial No. only with feature and the lock core marble structurally associated of key bit portion, thereby having uniqueness characteristic, we claim that this sequence code is the electronic identity identification code of this mechanical key in this tapered end.

2) control of unblanking: the built-in control circuit of intelligent lock receives the mechanical key electronic identity code that above process produces and judges whether to be legal unlock operation, and accessory drive promotes the stop device action accordingly.In simple terms, control circuit compares the mechanical key electronic identity code that receives with the pre-mechanical key electronic identity code of preserving of gathering, stop device discharges lock core when sequence code is correct, locks lock core in case detect the sequence code mistake then drive stop device.

The technical solution adopted in the utility model can be described as:

A kind of intelligent lock of identifying mechanical keyed feature comprises intelligent lock and the key that is complementary with described intelligent lock.Wherein, described key is the mechanical key with tooth portion; Described intelligent lock comprises mechanical lock head, the stop device that is connected with described mechanical lock head, the drive unit that drives described stop device and the control circuit of controlling described drive unit, and wherein the unblanking of the lock core of mechanical lock head/block action also is subjected to the control of stop device except being subjected to himself pellet shot from a slingshot control; Described control circuit further comprises the sequence code maker that links with pellet shot from a slingshot in the embedding tapered end; When key inserts, the tooth portion of key promotes pellet shot from a slingshot and touches sequence code maker generation sequence code, control circuit receives described sequence code and it is carried out verification, when sequence code is correct, by driving device controls stop device releases lock core, when the sequence code mistake, lock lock core by the action of driving device controls stop device.

As a kind of improvement of above technical scheme, described mechanical lock head comprises billiards lock structure tapered end and blade lock construction tapered end.

As a kind of improvement of above technical scheme, described stop device is connected with the lock core of mechanical lock head is non-locking under normal conditions.

As a kind of improvement of above technical scheme, described stop device is connected with the lock core locking of mechanical lock head under normal conditions.

As a kind of improvement of above technical scheme, it also includes the indicating circuit that is connected with control circuit.

By above technical scheme, the utility model provides electronics and mechanical double shield, because what adopt is the conventional mechanical key, the algorithm that has overcome the electron key of other electronic locks is divulged a secret or critical defect such as super key deliberately is set.The user can adopt usual manner to increase bitting according to the needs of oneself, expense is cheap.

In addition, the electronic lock that proposes when the utility model often is in and is arranged following time, even if circuit breaks down or problem such as short of electricity, can not work, because the electronics stop device in the intelligent lock partly remains unlocking condition, this tapered end also can adopt the pattern of pure machinery to open temporarily, thereby has solved the existing existing defective of various tapered ends.In addition, often be arranged down, when the sequence code that the utility model is only got kingfisher is incorrect, is just controlling micro motor and lock mechanical lock.And the sequence code of getting kingfisher is when correct, and motor is failure to actuate, and has significantly reduced the power consumption of tapered end.Under normal circumstances use, 1 3V nickel separation cell can be kept the working time in several years.

Description of drawings

Below in conjunction with accompanying drawing the utility model is further detailed, wherein:

Fig. 1 is the system block diagram of electric lock head of the present utility model;

Fig. 2 is the flow chart of unblanking.

The specific embodiment

Referring to Fig. 1, the electric lock head that the tooth portion feature of passing through the identification mechanical key that the utility model proposes is obtained the digital identity password comprises intelligent lock 1 and mechanical key 2.Wherein, mechanical key 2 can be mechanical key type commonly used, and the pellet shot from a slingshot that promotes lock core by the key bit with the lock core coupling is realized unlocking function.

In a specific embodiment of the present utility model, the intelligent lock 1 in the utility model by a mechanical lock head 11 be embedded in one in tapered end cover control circuit 12 mutually, micro motor 13(is drive unit) and lock pin 14(be stop device) form.The rotation of the lock core 11 of mechanical lock head 11 is except being subjected to the control that also is subjected to lock pin 14 of himself pellet shot from a slingshot control, and the motion of lock pin 14 is driven by micro-shaped motor 13 only, and any mechanical parts of outside insertion all can't touch this lock pin.

Described control circuit 12 comprises that further the keypad 15(that embeds tapered end pellet shot from a slingshot rear is the sequence code maker), key bit promotes each pellet shot from a slingshot in turn and touches on keypad 15 a plurality of buttons and press and decontrol in the insertion process of key 2, produces the sequence code as the unique electronic identity identification code of key.Control circuit 12 is according to trigger sequence code control micro motor 13 promotion lock pins 14 actions that keypad 15 produces in the key insertion process.Certainly, mechanical key 2 can't drive described lock pin 14, inserts in the lock body process at mechanical key 2, and in a single day control circuit 12 detects keystroke sequence sign indicating number mistake, controls micro motor 13 immediately and promotes lock pin 14 action locking lock cores, and the user can't open tapered end.

Intelligent controller (being above-mentioned control circuit 12) is the hard core control system of this programme, except having man-machine interface, realizes outside the processing of conventional man-machine interaction, and most important is to handle and the authentication key information, and control micro motor 13 promotes the motion of lock pin 14.Intelligent controller also is connected with indicating circuit, and described indicating circuit has indicator lamp 16, to show the state of electronic lock.

Therefore, have only mechanical teeth to meet fully, and electronic identity (being that key bit touches the Serial No. that button produces in turn) mate the legal unlatching tapered end of ability fully.

As shown in Figure 2, operating principle of the present utility model and flow process are:

A, under normal conditions, the electronic section of intelligent lock can keep remaining unlocking condition (namely open in usual, this moment, lock pin 14 did not insert in the lock core) or blocking (be normally closed type, this moment, lock pin 14 did not insert in the lock core).

B, when using illegal key (as master key etc.) when attempting to unblank, when key inserts lock core, because when master key or other unlocking tool insert lock core, it can't resemble and touch pellet shot from a slingshot (and then touch button produce specific Serial No.) the legal key successively, after control circuit 12 is found the sequence code mistake after relatively, drive lock pins 14 action lockings at the next control micro motor 13 that arranges open in usual, door lock can not be opened, at normally closed type next maintenance lock pin 14 lock-out states are set, door lock can not be opened equally, and then prevention is illegally unblanked.

C, be key unlocking through the overmatching mandate as what use, being the Serial No. that produces in turn in the key insertion process mates fully with the identity information that is preset in can only tapered end, arrange down open in usual, micro motor 13 be failure to actuate (maintenance unlocking condition), when normally closed type arranges, micro motor 13 drives lock pin 14 and withdraws from from lock core, and the user then can open door lock by mechanical key.

Certainly, drive unit 13 of the present utility model is not only limited to micro motor, can adopt electromagnetic valve or other control yet.The stop device 14 of intelligence lock core is not only limited to lock pin (yet can be called interior pellet shot from a slingshot), can adopt the class formation of eccentric awl yet, all can use at this as long as can block the known elements of the motion of lock core.

With respect to existing other tapered end, electric lock head of the present utility model is under normal condition, and the intelligent lock Electronic Control may be selected to be Chang Kai or normally closed, realizes conventional blocking function by lock core.

By above technical scheme, the utility model provides electronics and mechanical double shield, has overcome divulging a secret or the critical defect of super key deliberately being set of common electronics lock.When losing key, the user can own configuration key, and the process of bitting is comparatively simple, and expense is cheap.

In sum, the electronic lock that proposes when the utility model is in normally open following time, even if circuit breaks down or problem such as short of electricity, can not work, because the electronics stop device in the intelligent lock partly remains unlocking condition, this tapered end also can adopt the pattern of pure machinery to open temporarily, thereby has solved the existing existing defective of various tapered ends.In addition, under normally open, when the sequence code that the utility model is only got kingfisher is incorrect, just control micro motor locking mechanical lock.And the sequence code of getting kingfisher is when correct, and motor is failure to actuate, and has significantly reduced the power consumption of tapered end.Under normal circumstances use, 1 3V nickel separation cell can be kept the working time in several years.

The above be the utility model preferred embodiment, it does not constitute the restriction to the utility model protection domain, so long as realize that with essentially identical means the purpose of this utility model all should belong to protection domain of the present utility model.

Claims

1. intelligent lock of identifying mechanical keyed feature, comprise intelligent lock and the mechanical key that is complementary with described intelligent lock, it is characterized in that: described intelligent lock comprises mechanical lock head, the stop device with the unlocking action of controlling mechanical lock head, the drive unit that drives described stop device and the control circuit of controlling described drive unit; Key bit portion promoted the sequence code maker that pellet shot from a slingshot produces sequence code when described control circuit further comprised by key insertion mechanical lock head.

2. the intelligent lock of the mechanical keyed feature of identification according to claim 1, it is characterized in that: mechanical lock head comprises billiards lock structure tapered end and blade lock construction tapered end.

3. the intelligent lock of the mechanical keyed feature of identification according to claim 1, it is characterized in that: it also includes the indicating circuit that is connected with control circuit.

4. the intelligent lock of the mechanical keyed feature of identification according to claim 1, it is characterized in that: stop device is connected with the lock core of mechanical lock head is non-locking under normal conditions.