CN101397866A

CN101397866A - Passive electronic lock core, passive electronic key, code manager and key manager

Info

Publication number: CN101397866A
Application number: CNA200810233531XA
Authority: CN
Inventors: 邓睿
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-04
Filing date: 2008-11-04
Publication date: 2009-04-01
Anticipated expiration: 2028-11-04
Also published as: CN101397866B

Abstract

The invention relates to a passive electronic lock cylinder and a passive electronic key, both of which adopt electronic password recognition and additionally, a password manager which manages the electronic password and a key manager which manages the electronic key. The strength of the electronic password is more than 4 billion groups of random combination; the electronic password is provided with the function of guarding against electronic technique cracking; theoretically, the duration of continuous electronic brute force cracking is more than 180 days. A mini generating plant, which can provide the required electric energy for the operations of checking password, unlocking and the like, is positioned in the electronic lock cylinder. The electronic key can store the passwords of a plurality of electronic lock cylinders (typical value: 63). The electronic key is provided with operating functions like updating, duplicating and cleaning up the electronic password, initializing and cloning the key and the like; besides, the electronic key provides a two-level user management method which consists of a privilege password (unlocking and handling password) and a common password (unlocking only). The electronic lock cylinder can be used for directly replacing most mechanical pin tumbler lock cylinders (restrictive to minimum volume).

Description

Passive electronic lock core and passive electronic key and code management device and key manager

Technical field

The present invention relates to lockset, especially use passive electronic lock core and passive electronic key and the code management device and the key manager of electronic cipher identification.

Background technology

Lockset are indispensable office and daily apparatus in people's modern life, and lock core is the core component of lockset as a kind of protectiveness article, and the quality of lockset performance is played crucial effects.At present, lock core on the market mainly contains mechanical billiard lock core and active electronic lock core two big class, wherein being most widely used with the mechanical billiard lock core.

Though mechanical billiard lock core way of realization is of a great variety, performance also has bigger difference, but its basic principle all is: the two-section pellet shot from a slingshot that many groups are withstood by spring is set in the hole between inside and outside lock core wall, and the pellet shot from a slingshot between inside and outside lock core has stoped internal cylinder to be rotated in outer lock core; If the person of unblanking just makes the outer hole of outer end of pellet shot from a slingshot in all and internal cylinder concordant with key or special tool(s), then can rotate internal cylinder by outside torsion, realize unblanking.Above-mentioned principle makes mechanical billiard lock core one or more defectives below exist inevitably in essence:

1) cracked under no damage mode by special tool easily and unblank poor stability;

2) key can only be driven a kind of lock of purposes in theory, thereby everyone needs to be with many keys at ordinary times, and convenience is poor;

3) encrypted message that key contained malleable not, taking place often needs to change lock core, very flexible when key is transferred;

4) bitting generally need or be used specialized skills than the bigger specialist tools of costliness and volume, and some theftproof performances are good but key that shape is special needs just can be fitted on by producer especially, and maintainability is poor.

Though the active electronic lock core can be eliminated most of defect problems of mechanical billiard lock core, but, itself needs power supply support, the more high defective of cost because existing, the service condition harshness, application places is limited, can not extensively promote, in real life, still can not solve the puzzlement of using the mechanical billiard lock core to be brought fully.

Summary of the invention

The purpose of this invention is to provide a kind of passive electronic lock core and passive electronic key that uses electronic cipher identification, and the code management device that can manage and the key manager that can manage described electron key to the electronic cipher of described electronic lock cylinder and electron key.Problems such as the above device and the software approach that is comprised thereof can either overcome that poor stability, the convenience of existing machinery lock cylinder are poor, very flexible, maintainable difference, that can avoid the active electronic lock core again needs power supply support, the more high defective of cost.

The present invention includes electronic lock cylinder, electron key, code management device, four separate devices of key manager, wherein: contain single-chip microcomputer in the electronic circuit of electronic lock cylinder, code management device, key manager, need to use specific management software to carry out control corresponding and operation, therefore, the present invention also comprises the software approach of the management software of electronic lock cylinder, code management device, key manager.

Electronic lock cylinder device of the present invention comprises keyhole slot (29), power supply selector switch (22), TRT, power supply and signaling interface (24), lock core electronic circuit (I), the drive unit of unblanking;

1) keyhole slot (29) is an interior groove of housing of electronic lock cylinder, having inlet to communicate with electronic lock cylinder front end outside;

2) power supply selector switch (22) is positioned at the side of keyhole slot (29);

3) TRT comprises starter receiver group (30), bi-directional teeth wheels (31), stopping device, prime gear train (32), clockwork (17), back level gear train (16), micromachine (15), power circuit; Starter receiver group (30) is positioned at the side of keyhole slot (29), starter receiver group (30) has two kinds of structures: a kind of structure comprises two gears, these two gears all only have apical tooth to extend in the space of keyhole slot (29), and respectively with first gears engaged of two groups of gear trains of bi-directional teeth wheels (31); Another kind of structure comprises one group of gear that is fixedly connected, and wherein a part of gear all only has apical tooth to extend in the space of keyhole slot (29), two remaining gears respectively with first gears engaged of two groups of gear trains of bi-directional teeth wheels (31); Bi-directional teeth wheels (31) comprise two groups of gear trains, every group of gear train comprises one group of gear that meshes each other or be fixedly connected, wherein Duo a gear than another group for one group, each is fixedly connected with the ratchet (36) of a stopping device last gear of these two groups of gear trains respectively, and the ratchet of these two stopping devices (33) is fixed on first gear (35) of prime gear train (32) from the two sides respectively; All stopping devices of TRT all have identical structure, and each stopping device comprises ratchet (36), ratchet (33), click spring (34), and ratchet (33) in the compressing of the elastic force of click spring (34) down and ratchet (36) interlock; Prime gear train (32) comprises one group of gear that meshes each other or be fixedly connected, the spring gear engagement of its last gear and clockwork (17); Clockwork (17) comprises clockwork spring, spring gear, back shaft; The clockwork spring two ends are separately fixed on spring gear and the back shaft; First gear of spring gear and back level gear train (16) be connected with two kinds of structures: a kind of is two direct geareds engagements, and another kind is that the ratchet (36) of spring gear and a stopping device is fixedly connected and the ratchet (33) of this stopping device is fixed on first gear of back grade gear train (16); Back level gear train (16) comprises one group of gear that meshes each other or be fixedly connected, and its last gear is fixed on the axle core of micromachine (15); The power supply output of micromachine (15) is linked into the input of power circuit;

4) power supply and signaling interface (24) join with lock core electronic circuit (I);

5) lock core electronic circuit (I) is positioned on the circuit board (14), comprises that single-chip microcomputer, the memory of can online read-write power down not losing (comprising: E ²PROM, FLASH MEMORY), the Drive and Control Circuit of unblanking, single-chip microcomputer is connected with memory, the Drive and Control Circuit of unblanking by bus; The power supply input of the output of the Drive and Control Circuit of unblanking and micromachine (3) is joined;

6) drive unit of unblanking comprises micromachine (3), pin (12), lockhole (10); Micromachine (3) is done following improvement on the prior art architecture basics: axle core (2) is inner for being partly with the cylinder of internal thread, the iron that axle core (2) outside has root to link to each other is grabbed (6), the front end that iron is grabbed (6) is ferromagnetics material and is wound with coil, this coil joins through the power supply input of change-over circuit and micromachine (3), front end outer that iron is grabbed (6) is with a circle and is fixed on permanent-magnetic clamp (5) on micromachine (3) housing, and the inner ring of permanent-magnetic clamp (5) and outer ring respectively are a magnetic pole; The latter half of pin (12) has with the external screw thread that is meshed of internal thread of axle core (2) and is inserted in the core (2), and the first half of pin (12) is that front end has the cylinder of projection (13) and extend in the lockhole (10); Lockhole (10) is a circular hole that lock body standing part (25) is consistent with the radius of the movable part of unblanking (27) and the position coincide that connects electronic lock cylinder, and an inwardly protruding and the protruding beam (11) parallel with barrel are arranged in the hole of lockhole (10).

Described electronic lock cylinder also comprises key positioner device (18), the lock core cipher toggle switch (1) that resets; Key positioner device (18) is positioned at the side of keyhole slot (29); The lock core cipher toggle switch (1) that resets has two terminals, inserts lock core electronic circuit (I) respectively; Stirring the lock core cipher toggle switch (1) that resets has two states, and a kind of is " normal condition " (two terminals open circuits), and a kind of is " reset mode " (two short-circuits of terminals).

Contain the software of corresponding control of specific realization and operation in the single chip circuit of described electronic lock cylinder, the main feature of its software approach is as follows:

1) described software approach comprises the steps:

A, read the reset state of toggle switch device (1) of lock core cipher, as then jumping to the b step for " reset mode "; As then jumping to the c step for " normal condition ";

B, execution " lock core resets " operation: empty all electronic ciphers in the electronic lock cylinder, finish then.

C, the content that reads and judge " identification byte " of appointment from the power supply and the signaling interface (24) of electronic lock cylinder are electron key as the content representation access device of " identification byte ", then jump to the d step; Content representation access device as " identification byte " is a code management device, then jumps to the f step; Content as " identification byte " does not then finish in predefined scope;

It is right that d, the electronic cipher that reads electron key carry out cryptographic core, if there is certain group electronic cipher unanimity then to jump to the e step, then finishes if all electronic ciphers are all inconsistent;

E, execution " unlock operation " finish then;

F, check whether access device has pair electronic cipher operation permission, if authority is arranged then jump to the h step, if there is not authority then to jump to the g step;

G, send the instruction of " not allowing Password Operations ", finish then to code management device;

H, send the instruction of " permission Password Operations " and the information that comprises the electronic cipher of electronic lock cylinder, carry out the i step then to code management device;

I, circular wait code management device send " revising the electronic lock cylinder password " instruction; If receive " revising the electronic lock cylinder password " instruction, then carry out the j step;

J, revise the respective electronic password of electronic lock cylinder by the command request received; After finishing, operation returns the i step.

2) described software approach, the measure of being adopted that password is decoded by electronics that prevents comprises: the maximum value of each cryptographic core to the group number of the electronic cipher of the access device that read limited, and the cryptographic core that just can carry out next time behind the single-chip microcomputer of lock core electronic circuit (I) that need reset is right; The protective time-delay before transmitting comparative result, code management device is arranged; Just provide the result behind each cryptographic core all effective electronic ciphers to the relatively intacter access device of need; It is all identical to the used time of all branches of the program of part to relate to cryptographic core, and the not enough time is filled up with do-nothing instruction and delays time.

3) described software approach, the main feature of its data structure is: electronic cipher is stored in respectively in electronic lock cylinder and the electron key, and every group of electronic cipher uses 32 the binary code of being not less than of common fixed-length to represent; The electronic cipher of storage comprises administrator password and ordinary password by type in the electronic lock cylinder, and electron key comprises management key and normal key by type; It is right that electronic lock cylinder use and management password and management key carry out cryptographic core, and it is right to use ordinary password and normal key to carry out cryptographic core; The management key can allow unlock operation and electronic cipher is managed operation, and normal key only allows unlock operation; Electron key identifies this electron key by storage in specific " identification byte " " the management key is represented word string " or " normal key is represented word string " and is management key or normal key; The administrator password of storage comprises current administrator password, upgrades preceding old administrator password in the electronic lock cylinder; The ordinary password of storage comprises current ordinary password, upgrades preceding old ordinary password in the electronic lock cylinder.

Electronic key device of the present invention comprises tooth bar (43), power supply and signaling interface (42), key electronic circuit (II); Tooth bar (43) is positioned at the electron key first half, and tooth bar (43) afterbody has one section groove (44); Power supply and signaling interface (42) join with key electronic circuit (II); Key electronic circuit (II) comprises that the memory of can online read-write power down not losing (comprising: E ²PROM, FLASH MEMORY).

Password Management apparatus of the present invention comprises code management device battery power circuit, code management device electronic circuit (III), code management device operation keyboard, code management device state display lamp, lock core plug (45), key socket (46); Code management device electronic circuit (III) includes single-chip microcomputer; The code management device operation keyboard comprises password update key, password duplicate key; Lock core plug (45) includes power supply and signaling interface, and the power supply of lock core plug (45) and signaling interface and code management device electronic circuit (III) join; Key socket (46) comprises key inserting slot, power supply and signaling interface; Key inserting slot is an inner groove of key socket (46), has inlet to lead to the outside of code management device; The power supply of key socket (46) and signaling interface are positioned at the inside of key socket (46) and the side of key inserting slot, and join with code management device electronic circuit (III).

Contain the software of corresponding control of specific realization and operation in the single chip circuit of described code management device, its software approach comprises the steps:

Following corresponding operating is carried out in a, the instruction of sending according to electronic lock cylinder: as receive the instruction of reading " identification byte ", then transmit " code management device is represented word string " to electronic lock cylinder; As receive the instruction of reading electronic cipher, the associated electrical encrypted message that then reads electron key sends electronic lock cylinder to; As receive the instruction of " not allowing Password Operations ", then jump to the b step; As the instruction of receiving " permission Password Operations ", then jump to the c step;

The single-chip microcomputer of b, the electronic lock cylinder that resets turns back to a step then;

C, reception comprise the information of the electronic cipher of electronic lock cylinder, carry out the d step then;

D, according to the instruction that obtains from the code management device operation keyboard, carry out corresponding electronic cipher bookkeeping; Then jump to the e step as receive " password update " instruction from keyboard; Then jump to the f step as receive " password duplicates " instruction from keyboard; Then jump to the g step as receive " password deletion " instruction from keyboard;

E, by to " password update key " before button and the timing that circulates respectively of the time in the button renew to be connected together and produce at random new password; New password is recorded in the electron key that inserts key socket (46); And send " revising the electronic lock cylinder password " to electronic lock cylinder and instruct, command content comprises new password; Return the d step after finishing " password update " operation;

F, the respective electronic password of electronic lock cylinder is copied in the electron key that inserts key socket (46); Return the d step after finishing " password duplicates " operation;

G, from the electron key that inserts key socket (46) the respective electronic password of deletion electronic lock cylinder; Return the d step after finishing " password deletion " operation.

Key management apparatus of the present invention comprises key manager battery power circuit, key manager electronic circuit (IV), key manager operation keyboard, key manager state display lamp, key socket (47); Key manager electronic circuit (IV) includes single-chip microcomputer; The key manager operation keyboard includes key initialization key; Key manager has 1 or 2 key sockets (47) (two kinds of schemes), the internal construction of all key sockets (47) except that with the connectivity port of key manager electronic circuit (IV) all identical; Key socket (47) comprises key inserting slot, power supply and signaling interface; Key inserting slot is an inner groove of key socket (47), has inlet to lead to the outside of key manager; Power supply and signaling interface are positioned at the inside of key socket (47) and the side of key inserting slot, and join with key manager electronic circuit (IV).

Contain the software of corresponding control of specific realization and operation in the single chip circuit of described key manager, its software approach comprises the steps:

A, according to the instruction that obtains from the key manager operation keyboard, carry out corresponding electron key bookkeeping; Then jump to the b step as receive " key initialization " instruction from keyboard; Then jump to the c step as receive " clone's key " instruction from keyboard;

B, the electronic cipher of electron key that will insert the key socket of appointment empty; Return a step after finishing " key initialization " operation;

C, the information of the electron key of appointment is cloned in the electron key of another appointment, makes the latter have the former all electronic ciphers and identical key type by key socket (47); Return a step after finishing " clone's key " operation.

The present invention has the following advantages:

1) electronic lock cylinder and electron key both need not external power source, did not also use powered battery, were subjected to the ambient conditions restriction little, and the utilization place is extensive;

2) adopt 32 and the protection of above electronic cipher, electronic cipher intensity be 4,000,000,000 groups make up at random more than, have anti-electronic technology and crack function (electronics Brute Force time continuously in theory〉180 day), safety is good;

3) electronic cipher of electronic lock cylinder can be stored in unlimited a plurality of electron key, can store the electronic cipher (representative value: 63) of a plurality of electronic lock cylinders in the electron key, thereby everyone only need be with 1 key at ordinary times generally speaking, and convenience is good;

Multiple operating function such as 4) have that password update, password duplicate, clearing password, key initialization, clone's key, lock core reset; Administrator password (can unblank and to electronic cipher operation) and ordinary password (can only unblank) two-stage user management mode are provided; Electronic cipher produces at random, and memory need not manual record automatically; Flexibility is good.

5) big multiple mechanical cylinder lock core (limited by minimum volume) can be directly replaced in compatible design;

6) cost is lower, can extensively use.

Description of drawings

Fig. 1 is the universal frame for movement schematic diagram of electronic lock cylinder of the present invention;

Fig. 2 is the frame for movement schematic diagram of the built-in of electronic lock cylinder of the present invention;

Fig. 3 is the syndeton schematic diagram (left view) between the left side gear of left side gear, starter receiver group of stopping device, the bi-directional teeth wheels in first gear of prime gear train of electronic lock cylinder of the present invention and left side;

Fig. 4 is the syndeton schematic diagram (right view) between the right side gear of right side gear, starter receiver group of stopping device, the bi-directional teeth wheels on first gear of prime gear train of electronic lock cylinder of the present invention and right side;

Fig. 5 is the syndeton schematic diagram of the stopping device of electronic lock cylinder of the present invention;

Fig. 6 is the pin and the lockhole fit structure schematic diagram of electronic lock cylinder of the present invention;

Fig. 7 is the structural representation that the pin of electronic lock cylinder of the present invention is connected with the pin branch by metal sheet, bearing;

Fig. 8 is the frame for movement schematic diagram (front elevation drawing) of electron key of the present invention;

Fig. 9 is the frame for movement schematic diagram (lateral view) of electron key of the present invention;

Figure 10 is the frame for movement schematic diagram (rear elevation) of electron key of the present invention;

Figure 11 is the contour structures schematic diagram of code management device of the present invention;

Figure 12 is the contour structures schematic diagram of key manager of the present invention;

Figure 13 is the electronic circuit schematic diagram of electronic lock cylinder of the present invention, electron key, code management device, key manager;

Figure 14 is the schematic flow sheet of software approach of the management software of electronic lock cylinder of the present invention;

Figure 15 is the schematic flow sheet of software approach of the management software of code management device of the present invention;

Figure 16 is the schematic flow sheet of software approach of the management software of key manager of the present invention.

Critical piece explanation in the above-mentioned accompanying drawing:

1-lock core cipher toggle switch that resets, the axle core of the micromachine of the 2-drive unit of unblanking, the micromachine of the 3-drive unit of unblanking, 4-helicoidal gear, 5-permanent-magnetic clamp, 6-iron is grabbed, 7-metal sheet, the additional branch of 8-pin, 9-additional lockhole, 10-lockhole, protruding beam in 11-lockhole, 12-pin, the projection of 13-pin nose, 14-circuit board, the micromachine of 15-TRT, 16-back level gear train, 17-clockwork, 18-key positioner device, 19-far-end copper sheet, 20-middle copper sheet, 21-near-end copper sheet, 22-power supply selector switch, 23-flexible rod, the power supply of 24-electronic lock cylinder and signaling interface, 25-lock body standing part, 26-outlet limit collar, 27-the movable part of unblanking, 28-screening dirt door, 29-keyhole slot, 30-starter receiver group, 31-bi-directional teeth wheels, 32-prime gear train, the ratchet of 33-stopping device, the click spring of 34-stopping device, first gear of 35-prime gear train, the ratchet of 36-stopping device, 37-bearing, 38-management key/normal key transition flag toggle switch, 39-waist groove, 40-front end groove, 41-front end permanent magnet, the power supply of 42-electron key and signaling interface, 43-tooth bar, the groove of 44-tooth bar afterbody, 45-lock core plug, the key socket of 46-code management device, the key socket of 47-key manager, I-lock core electronic circuit, II-key electronic circuit, III-code management device electronic circuit, IV-key manager electronic circuit.

The specific embodiment

Below in conjunction with Fig. 1～Figure 16 the present invention is done further detailed description.

Fig. 1 and Fig. 2 have represented the frame for movement of a specific embodiment of electronic lock cylinder of the present invention respectively, wherein, power supply selector switch 22, the Drive and Control Circuit of unblanking, key positioner device 18, micromachine 15, clockwork 17, micromachine 3, iron grab 6, pin 12 adopts following concrete structure:

1) power supply selector switch 22 comprises flexible rod 23, far-end copper sheet 19, middle copper sheet 20, near-end copper sheet 21; Flexible rod 23 is an insulation materials, can be crooked when being subjected to external force, and an end is fixed on the housing, and the other end and middle copper sheet 20 are fixedly connected; Middle copper sheet 20 internal package iron core, and middle copper sheet 20 comprises the copper sheet of two mutually insulateds, and these two copper sheets join with positive pole, the negative pole of the output of the mu balanced circuit of TRT respectively; Side away from keyhole slot 29 of copper sheet 20 in the middle of far-end copper sheet 19 is positioned at, far-end copper sheet 19 comprises the copper sheet of two mutually insulateds, these two copper sheets join with negative pole, the positive pole of micromachine 3 respectively (positive terminal of micromachine 3 power supply inputs is for anodal when establishing the drive unit of unblanking and extracting pin 12, and negative pole end is a negative pole); A side of the close keyhole slot 29 of copper sheet 20 in the middle of near-end copper sheet 21 is positioned at, near-end copper sheet 21 comprises the copper sheet of two mutually insulateds, these two copper sheets join with positive pole, the negative pole that the power supply of lock core electronic circuit I is imported respectively.

2) the unblank positive pole, negative pole of output of Drive and Control Circuit joins with positive pole, the negative pole of the power supply input of micromachine 3 respectively.

3) key positioner device 18 is the ball that supports by spring force in the keyhole slot 29 two side grooves that is limited in of two symmetries.

4) micromachine 15 adopts general DC micromotor structure.

5) spring gear of clockwork 17 adopts the driving wheel on barrel structure, clockwork spring can be mounted in it, thereby can carry out better protect to clockwork spring.

6) foundation of micromachine 3 adopts general DC micromotor structure.

7) iron is grabbed 6 coil and is joined by the positive and negative electrode of bridge heap with micromachine 3, to guarantee always to produce the electromagnetic field that repels each other with permanent-magnetic clamp 5 after the energising.

8) projection 13 of the front end of pin 12 has two, is symmetrically located at both sides, cylinder top, and contacts with lockhole 10 inwalls, except that having the auxiliary micromachine 3 smooth functions that start, also plays the effect of support.

Fig. 8, Fig. 9 and Figure 10 have represented the frame for movement of a specific embodiment of electron key of the present invention, wherein, the first half of described electron key (promptly inserting the part of electronic lock cylinder) has front end permanent magnet 41, front end groove 40, waist groove 39, afterbody has management key/normal key transition flag toggle switch 38, can carry out physical label to the type of electron key by stirring this switch.

Figure 14 has represented the roughly flow process of operation of a specific embodiment of software approach of the management software of electronic lock cylinder, and it is mainly used in and cooperates the electronic lock cylinder device to realize that electronic lock cylinder and electron key cryptographic core are to, the electronic lock cylinder functions such as control, the management of electronic lock cylinder inner cipher of unblanking.

Referring to Fig. 1, Fig. 2, Fig. 8, Fig. 9, Figure 10 and Figure 14, described electronic lock cylinder relies on pin 12 insertion lock body standing parts 25 interior to stop both relatively moving to realize pinning function with the lockhole 10 of the movable part 27 of unblanking.

When using described electron key to carry out unlock operation, at first electron key to be inserted in the keyhole slot 29 of electronic lock cylinder.During insertion, tooth bar 43 rotates by the gear that engagement drives starter receiver group 30, through bi-directional teeth wheels 31, stopping device, prime gear train 32 clockwork spring in the clockwork 17 is tightened.When electron key is inserted into keyhole slot 29 bottoms, the ball of key positioner device 18 is absorbed in the front end groove 40, by spring force electron key is carried out weak fix, make under the situation that does not have external force to intervene, keep power supply and signaling interface 24 to dock with power supply and the good of signaling interface 42, the middle copper sheet 20 that assurance is wrapped in iron core leaves far-end copper sheet 19 and well contacts with near-end copper sheet 21 under the magnetic attraction of front end permanent magnet 41, make the positive pole of output of mu balanced circuit of TRT, negative pole respectively with the positive pole of the power supply of lock core electronic circuit I input, negative pole joins; Simultaneously, because tooth bar 43 afterbody grooves 44 are anodontia, so remove the restriction that clockwork spring is discharged, clockwork spring is come out the power abrupt release of being put aside, drive the axle core and the armature rotation of micromachine 15 by back level gear train 16, produce direct current, produce stable power by power circuit, middle copper sheet 20 and near-end copper sheet 21 through power supply selector switch 22 are powered to lock core electronic circuit I, power to key electronic circuit I I by power supply and signaling interface 24 and power supply and signaling interface 42 again, the management software of active electron lock core, the respective electronic password of electronic lock cylinder storage inside and the electronic cipher of electron key storage inside are compared one by one, if any certain group electronic cipher unanimity, then carry out " unlock operation ", Drive and Control Circuit is powered and maintenance a period of time to micromachine 3 forwards by unblanking; At this moment, the iron that is wound with coil is grabbed 6 generations and the electromagnetic field that permanent-magnetic clamp 5 repels each other, and removes the locking to axle core 2 rotations of micromachine 3; Micromachine 3 makes armature and 2 rotations of axle core under the excitation of electric current, by helicoidal gear 4, drive pin 12 earlier and do rotation and mobile hybrid motion, after the projection 13 of pin 12 front ends is blocked by the protruding beam 11 of lockhole, drive pin 12 again and do rectilinear motion, from lockhole 10, extract pin 12, thereby remove restriction, allow to finish unlock operation by the external force twisting to the movable part 27 of unblanking of electronic lock cylinder.From insert fully electron key to the time of extracting pin 12 less than 1 second, can be in any time before electron key is extracted after pin 12 is extracted finish unlock operation by the external force twisting.

When described electron key was extracted, tooth bar 43 rotated by the gear that engagement drives starter receiver group 30, through bi-directional teeth wheels 31, stopping device, prime gear train 32 clockwork spring in the clockwork 17 is tightened.After electron key pulls away electronic lock cylinder, flexible rod 23 is got back to original position by the elastic force of itself, middle copper sheet 20 leaves near-end copper sheet 21 and contacts with far-end copper sheet 19, makes the positive pole, negative pole of output of mu balanced circuit of TRT join with negative pole, the positive pole of micromachine 3 respectively; Simultaneously, the restriction that releasing discharges clockwork spring, clockwork spring is come out the power abrupt release of being put aside, drive the rotor rotation of micromachine 15 by back level gear train 16, produce direct current, produce stable power, oppositely power to micromachine 3 through the middle copper sheet 20 and the far-end copper sheet 19 of power supply selector switch 22 by power circuit, finish the insertion operation of pin 12, realize pinning function.

The starter receiver group 30 of described electronic lock cylinder comprises two gears, and the tooth bar 43 of described electron key comprises two parallel longitudinals and the identical tooth bar of structure; When electron key inserts electronic lock cylinder, every described tooth bar respectively with the gears engaged of a described starter receiver group 30, make electron key when inserting or extracting electronic lock cylinder, the clockwork spring of electronic lock cylinder can both be tightened.Tooth bar 43 is screwed the afterbody at electron key, can dismantle, when taking place can to discharge the clockwork spring that tightens and also extract electron key by separating tooth bar 43 because of electron key when plug tightens clockwork spring to block electron key back and forth in keyhole slot 29.

When adopting the mode of passing through the twisting electronic key unlocking, when guaranteeing that described electron key is extracted, the lock body standing part 25 of described electronic lock cylinder can align with the lockhole 10 of the movable part 27 of unblanking, so that pin 12 is inserted smoothly, front end at electronic lock cylinder is provided with outlet limit collar 26, by with the cooperatively interacting of the waist groove 39 of electron key, in the mode of mechanical constraint, the ad-hoc location that makes electron key must get back to earlier when inserting just allows to be pulled out.

When the electronic cipher of described electronic lock cylinder is lost, the lock core cipher toggle switch 1 that resets is placed " reset mode ", the lock core plug that arbitrarily inserts an electron key or code management device then is in 45,1 seconds, and the electronic cipher in the electronic lock cylinder will be by full scale clearance; After extracting the lock core plug 45 of electron key or code management device, the toggle switch 1 that again lock core cipher resetted places " normal condition ", this electronic lock cylinder can be used as a new electronic lock cylinder.

Be the good above-mentioned functions that realizes, described electronic lock cylinder and electron key also can adopt following measure:

1) makes electron key be inserted into keyhole slot 29 bottoms by the gearratio of adjusting prime gear train 32 and just in time the clockwork springs in the clockwork 17 are tightened fully during by weak fix;

2) pass through to adjust the rotating speed of the gearratio of back level gear train 16, generating voltage is adhered to specification with change micromachine 15;

3) use low-voltage detection circuit that mu balanced circuit is not provided external voltage when micromachine 15 generating voltages are lower than its input voltage lower limit; The use voltage protection circuit of rationing the power supply is lower than its higher limit with the input voltage that guarantees mu balanced circuit;

4) the first half of pin 12 can be passed through a plurality of branches 8 of connection such as bearing 37, metal sheet 7, and increases corresponding additional lockhole 9, resists mechanical violence damage intensity with the integral body that improves pin 12;

5) shell of electronic lock cylinder uses metal material, and internal circuit board 14 and lead all with metal sheet or wire lath parcel, are avoided opening by mistake lock because of electromagnetic interference.

6) the location threshold of a fritter projection is set at the inlet of electronic lock cylinder, at the first half of electron key a recessed locating slot is set vertically, both cooperatively interact and make electron key could insert electronic lock cylinder with certain fixing posture.

7) can be provided with the screening dirt door 28 of reed at the inlet of electronic lock cylinder, be provided with the screening dust hood of spring on the surface of electron key; Electron key will hide dirt door 28 when inserting electronic lock cylinder, the screening dust hood backs down, and electron key is extracted back screening dirt door 28, the screening dust hood is closed by the elastic force of reed, spring respectively, thereby played the dustproof effect.

According to the above, the present invention has following significant advantages on technical scheme:

1) adopt clockwork 17 savings electron keys to insert or extract the energy that electronic lock cylinder produces, when arriving keyhole slot 29 bottoms or leave electronic lock cylinder, electron key releases energy, drive micromachine 15 generatings, make power generation process not be subjected to the interference of human factors such as electron key insertion speed, reach controlled purpose;

2) power that drive unit provides of unblanking only is used for pin 12 is extracted or inserted from the lock core cinclides, after power disappears, grab 6 by iron and keep the invariant position of pin 12 with the suction of permanent-magnetic clamp 5, thereby make the required electric energy of the drive unit of unblanking not be subjected to the influence of time factor, reach can be quantitative purpose;

3) drive unit of unblanking adopts helicoidal gear 4, uses worm drive power, reduces the moment intensity of force by prolonging the stressed time.Wherein: axle core 2 inside of micromachine 3 are for being partly with the cylinder of internal thread, and the latter half of pin 12 has external screw thread, and both screw threads are meshing with each other.Micromachine 3 makes armature and 2 rotations of axle core under the excitation of electric current, by helicoidal gear 4, extracting or inserting of realization pin 12 is mobile.

4) needed power when reducing micromachine 3 and start, adopt this kind frame for movement: pin 12 the first half are that front end has the cylinder of projection 13 and extend in the lockhole 10, and an inwardly protruding and the protruding beam 11 parallel with barrel are arranged in the lockhole 10; When pin 12 rotates in electronic lock cylinder, the column part that this protruding beam 11 allows pins 12 by but stop the projection 13 of pin 12 front ends to be passed through; When this structure can make micromachine 3 start, after drive pin 12 rotates one section, just provide pin 12 straight-line power, guaranteed the smooth startup and the dynamic balnce of micromachine 3.

Electronic lock cylinder comprises universal and two kinds of typical structures of built-in.

Fig. 1 has represented the frame for movement of a universal specific embodiment of electronic lock cylinder of the present invention, wherein, the housing of described electronic lock cylinder comprises that metal shell 19, metal inner casing 20 are two-layer, and metal shell 19 belongs to lock body standing part 25, and metal inner casing 20 belongs to the movable part 27 of unblanking.Metal inner casing 20 is positioned in the metal shell 19 and can rotates in metal shell 19, and keyhole slot 29, key positioner device 18, power supply selector switch 22, TRT, lock core electronic circuit I, the drive unit of unblanking are positioned in the metal inner casing 20.In unlock operation, if pin 12 is extracted, can use external force twisting electron key this moment from the lockhole 10 of metal shell 19, drive metal inner casing 20 rotations of electronic lock cylinder, pull out dead bolt by the linkage of unblanking, realize unlock operation.The advantage of universal electronic lock core is directly to replace most mechanical billiard lock core and the other parts that needn't change lockset; Weakness is a little less than resisting mechanical violence damage ability.

Fig. 2 has represented the frame for movement of a specific embodiment of the built-in of electronic lock cylinder of the present invention, and wherein, the lock core electronic circuit I of described electronic lock cylinder, the drive unit of unblanking can be hidden in for example firm antitheft metal sheet back such as security door; Pin 12 directly limits moving of dead bolt.In practice, in same set of anti-theft device, can use a plurality of electronic lock cylinders, have only the pin 12 of all electronic lock cylinders all to extract and just allow the external force twisting to unblank.The advantage of built-in electronic lock cylinder is: because the core component that control locksets such as lock core electronic circuit I, the drive unit of unblanking are opened is hidden in firm antitheft metal sheet back, carrying out mechanical violence damage from weak links such as keyhole slot 29 is difficult to these core components are caused damage, thereby have stronger anti-mechanical violence damage ability, be applicable to that strongbox, security door etc. need the place of higher security protection; Shortcoming is to need personalized designs generally speaking, versatility a little less than.

Figure 11 has represented the contour structures of a specific embodiment of code management device of the present invention, the code management device operation keyboard of described code management device comprises the password update key, the password duplicate key, the password delete key, key totally 4 function keys of turning off the light, the code management device state display lamp comprises power supply indicator, but operating light, can not operating light, the management key lamp, the normal key lamp, the password update lamp, the password dub lamp, password deletion lamp, the execution lamp of makeing mistakes, change lock core warning light totally 10 status indicator lamps, code management device operation keyboard and code management device state display lamp join by lead and code management device electronic circuit III.

The first half of the lock core plug 45 of described code management device (promptly inserting the part of electronic lock cylinder) has the front end groove identical with the electron key structure, by cooperating, when inserting electronic lock cylinder, realizes by lock core plug 45 weak fix to lock core plug 45 with the key positioner device 18 of electronic lock cylinder.

The key socket 46 of described code management device has the key positioner device identical with the electronic lock cylinder structure, by cooperating with the front end groove 40 of electron key, realizes the electron key that inserts is carried out weak fix.

The power supply of described code management device comes from entrained battery itself, and the power supply by lock core plug 45 and signaling interface and power supply and signaling interface 24 provide power supply to lock core electronic circuit I, and the power supply by key socket 46 and signaling interface and power supply and signaling interface 42 provide power supply to key electronic circuit I I.

Figure 15 has represented the roughly flow process of operation of a specific embodiment of software approach of the management software of code management device, and it is mainly used in and cooperates the Password Management apparatus to realize the electronic cipher of electronic lock cylinder and electron key is carried out bookkeepings such as " password update ", " password duplicates ", " password deletion ".

Referring to Figure 11 and Figure 15, described code management device at first inserts electronic lock cylinders with lock core plug 45 in use, opens battery supply then, only lights " power supply indicator " and " can not operating light " this moment; Then, code management device will constantly be monitored the electronic key based identity that inserts key socket 46 and judge, and light accordingly " normal key lamp " or " management key lamp " according to judged result, all not working as two lamps, not insert the electron key of electron key or insertion invalid in then expression; As the equipment of judging insertion is the management key, then power to electronic lock cylinder, the instruction of reading " identification byte " according to electronic lock cylinder transmits " code management device is represented word string " to electronic lock cylinder, then, the associated electrical encrypted message that reads electron key according to the instruction of electronic lock cylinder sends electronic lock cylinder to, and to carry out cryptographic core right, and prepare to receive the checked result instruction that electronic lock cylinder sends at any time.As the instruction of receiving " password not match " that electronic lock cylinder sends, then close the power supply of electronic lock cylinder immediately, finish this operation, after the time-delay of resetting property, beginning decision operation next time; As receive the instruction that conforms to that electronic lock cylinder sends, then after the information of receiving the electronic cipher that comprises electronic lock cylinder, take over the ownership of Password Management, close " can not operating light " and light " but operating light ", according to the instruction that obtains from the code management device operation keyboard, carry out corresponding operatings such as " password update ", " password duplicates ", " password deletion ", " turning off the light ", allow in key socket 46, to extract, insert or change electron key this moment.

As receive " password update " instruction from keyboard, then by to the password update key before button and the timing that circulates respectively of two periods in the button renew to be connected together and produce at random new password, new password is recorded in the electron key that inserts key socket 46, and send " revising the electronic lock cylinder password " to electronic lock cylinder and instruct, return after operation is finished and wait for next keyboard instruction;

As receive " password duplicates " instruction from keyboard, then judge the type of the electron key that inserts key socket 46, as then the current administrator password of electronic lock cylinder being recorded in this electron key for the management key, as then the current ordinary password of electronic lock cylinder being recorded in this electron key, return after operation is finished and wait for next keyboard instruction for normal key;

As receive " password deletion " instruction from keyboard, then judge the type of the electron key that inserts key socket 46, as then from this electron key, delete the administrator password of electronic lock cylinder for the management key, as be the then ordinary password of deletion electronic lock cylinder from this electron key of normal key, return after operation is finished and wait for next keyboard instruction;

As receive " turning off the light " instruction from keyboard, then close password update lamp, password dub lamp, password deletion lamp, carry out the lamp of makeing mistakes, return after operation is finished and wait for next keyboard instruction;

Password update lamp, password dub lamp, password are deleted lamp, are carried out the practice condition that the lamp of makeing mistakes is used for expression " password update ", " password duplicates ", " password deletion " operation; When carrying out these 3 operations, at first close password update lamp, password dub lamp, password deletion lamp, carry out the lamp of makeing mistakes, if " password update " operated and successfully then lighted the password update lamp, if " password duplicates " operated and successfully then lighted the password dub lamp, successfully then light password deletion lamp if " password deletion " operated, carry out the lamp of makeing mistakes if any operation failure is then lighted.Change the lock core warning light and represent that electronic lock cylinder lost efficacy, need to change electronic lock cylinder.

The above-mentioned functions of code management device makes demands such as " the electronic cipher of a plurality of electronic lock cylinders of electronic key stores ", " revising the electronic cipher of electronic lock cylinder according to actual needs at any time ", " two-stage user management mode is provided " be achieved.For a new electronic lock cylinder, " password update " function of the manager that need access to your password could drop into actual the use after producing the initiating electron password.

Figure 12 has represented the structure of a specific embodiment of key manager of the present invention, and the key socket 47 of described key manager has 2, that is: source key socket and purpose key socket; The key manager operation keyboard comprises management key initialization key, normal key initialization key, clone's key key, key totally 4 function keys of turning off the light, the key manager state display lamp comprises power supply indicator, source key socket management key lamp, source key socket normal key lamp, purpose key socket management key lamp, purpose key socket normal key lamp, key initialization success lamp, key initialization error lamp, clone's key success lamp, clone's key lamp totally 9 status indicator lamps of makeing mistakes, key manager operation keyboard and key manager state display lamp join by lead and key manager electronic circuit IV.

The key socket 47 of described key manager has the key positioner device identical with the electronic lock cylinder structure, by cooperating with the front end groove 40 of electron key, realizes the electron key that inserts is carried out weak fix.

The power supply of described key manager comes from entrained battery itself, and the power supply by key socket 47 and signaling interface and power supply and signaling interface 42 provide power supply to key electronic circuit I I.

Figure 16 has represented the roughly flow process of operation of a specific embodiment of software approach of the management software of key manager, and it is mainly used in and cooperates the key management apparatus to realize electron key carried out bookkeepings such as " initialization of management key ", " normal key initialization ", " clone's key ".

Referring to Figure 12 and Figure 16, described key manager in use, according to the instruction that obtains from the key manager operation keyboard, carry out corresponding operatings such as " initialization of management key ", " normal key initialization ", " clone's key ", " turning off the light ", behind each EO and before the button, allow in all key sockets 47, to extract, insert or change electron key.

As receive " initialization of management key " instruction from keyboard, the electronic cipher that then will insert the electron key of purpose key socket empties, and will be written in " identification byte " of this electron key " the management key is represented word string ", return after operation is finished and wait for next keyboard instruction;

As receive " normal key initialization " instruction from keyboard, the electronic cipher that then will insert the electron key of purpose key socket empties, and will be written in " identification byte " of this electron key " normal key is represented word string ", return after operation is finished and wait for next keyboard instruction;

As receive " clone's key " instruction from keyboard, the electron key of then checking access source key socket and purpose key socket whether exist and type whether consistent, if find to have any one electron key not existed or the situation of both Type-Inconsistencies then reports an error and returns the next keyboard instruction of wait, if all exist and electronic cipher that the type unanimity then will insert the electron key of purpose key socket earlier empties, the electronic cipher that will insert the electron key of source key socket then copies in the electron key that inserts the purpose key socket fully, returns after operation is finished and waits for next keyboard instruction;

As receive " turning off the light " instruction from keyboard, then close key initialization success lamp, key initialization error lamp, clone's key success lamp, the clone's key lamp of makeing mistakes, return after operation is finished and wait for next keyboard instruction;

Power supply indicator represents that the code management device power supply opens; Source key socket management key lamp represents respectively that with source key socket normal key lamp the electron key of current insertion source key socket is management key or normal key, and is invalid as all the do not work electron key of then representing not insert electron key or insertion of two lamps; Purpose key socket management key lamp represents respectively that with purpose key socket normal key lamp the electron key of current insertion purpose key socket is management key or normal key, and is invalid as all the do not work electron key of then representing not insert electron key or insertion of two lamps; Key initialization success lamp, key initialization error lamp, clone's key success lamp, the clone's key lamp of makeing mistakes is used for the practice condition of expression " initialization of management key ", " normal key initialization ", " clone's key " operation; When carrying out these 3 operations, at first close key initialization success lamp, key initialization error lamp, clone's key success lamp, the clone's key lamp of makeing mistakes, if " initialization of management key " or " normal key initialization " are operated and are successfully then lighted key initialization success lamp, if " initialization of management key " or " normal key initialization " operation failure are then lighted key initialization error lamp, if " clone's key " operate and successfully then lighted clone's key success lamp, then light as if " clone's key " operation failure and to clone the key lamp of makeing mistakes.

The above-mentioned functions of key manager makes that producer only needs to provide standardized electron key hardware unit to market, and needn't carry out the format of multiple pattern to electron key, has both made things convenient for the user, has reduced cost again.In this case, for a new electron key, need be undertaken just coming into operation after the initialization by key manager.

Figure 13 has represented the lock core electronic circuit I part of the electronic lock cylinder of a specific embodiment of the present invention, the key electronic circuit I I part of electron key, the code management device electronic circuit III part of code management device, the key manager electronic circuit IV circuit theory diagrams partly of key manager, wherein, electronic cipher uses 32 binary code to represent that every group of electronic cipher takies 4 bytes of memory unit; The single-chip microcomputer of electronic lock cylinder and memory have been selected inner integrated 16 byte E for use ²The PIC12CE519 single-chip microcomputer of PROM; The Drive and Control Circuit of unblanking is made of N-MOS pipe and accessory circuit thereof; The memory of electron key is selected 24LC02B/04B/08B or 24C02/04/08 Serial E for use ²The PROM chip; The single-chip microcomputer of code management device, key manager is selected general AT89C2051/4051 or PIC16C556/557 single-chip microcomputer at present for use; Signal and communication between electronic lock cylinder, electron key, code management device, the key manager adopts the I of standard ²The C communication mode.

In general arrangement of the present invention, the electronic circuit that has single-chip microcomputer in the electronic lock cylinder only is used to realize that cryptographic core is right, unblank control and basic function such as lock core cipher management, electronic circuit in the electron key does not contain single-chip microcomputer, all the other realize the renewal (electronic cipher that does not comprise electronic lock cylinder is new portion more) of electronic ciphers, duplicate, the initialization of deletion and electron key, the electronic circuit of functions such as clone is concentrated in the electronic circuit be positioned over the code management device that has single-chip microcomputer and key manager, thereby farthest simplify the structure of electronic lock cylinder and electron key, reduce the cost of electronic lock cylinder and electron key.Because code management device and key manager can be shared use, so this structure can make the price distribution of the present invention in practice more be tending towards rationalizing.

In addition, say from use that code management device could be implemented the bookkeeping to electronic cipher after need the management key mandate through being approved by electronic lock cylinder, key manager then can directly manage operation to electron key; Say from use occasion, the user accesses to your password the frequency of manager than higher, be unable to do without electronic lock cylinder during use, can consider it is used as the household standby, unique user uses the frequency of key manager then relatively low, do not come in contact during use, can consider it is used as public's articles for use with electronic lock cylinder; This shows, the invention provides the scheme of code management device and two kinds of managers of key manager, on actual effect, be easy to realize thereby can reduce the technical sophistication degree greatly, the overall cost of realizing above-mentioned functions be can reduce, can more selection and facility be provided to the user.

In Fig. 1, Fig. 2, Fig. 8, Fig. 9, Figure 10, Figure 11, the described specific embodiment of Figure 12, Figure 13, in electronic lock cylinder, in the key socket 46, identical in structure power supply and signaling interface (hereinafter to be referred as " interface A ") all arranged in the key socket 47; On the electron key, identical in structure power supply and signaling interface (hereinafter to be referred as " interface B ") all arranged on the lock core plug 45.Interface A and interface B the cooperatively interact transmission that realizes power supply and the transmission of information.The circuit part of interface A and interface B is identical, and frame for movement and position cooperatively interact, and the transmission content comprises 1 group of power supply and 1 group of I ²The C communication signal.In described specific embodiment, interface A and interface B respectively have 4 transmission lines, and the positive source line uses 1, ground wire use 1, I ²The SCL holding wire of C communication and SDA holding wire respectively use 1, and it is direct-connected that the circuit part of every transmission line is lead; The interface frame for movement of the every transmission line of interface A is " 7 " shape sprung copper pin, and the interface frame for movement of the every transmission line of interface B is a fritter copper coin.For above-described all power supplys and signaling interface; all can on every holding wire, be connected in series protective resistance and carry out overcurrent protection; between every power line or holding wire and ground wire, insert filter capacitor and carry out anti-interference protection, between every power line or holding wire and ground wire, insert Zener diode and carry out overvoltage protection.

When the present invention was represented particularly with reference to its specific embodiment and describes out, those skilled in the art all belonged to claim institute restricted portion at it in form and the various variations of being done on the details.

Claims

1, a kind of passive electronic lock core device is characterized in that: comprise keyhole slot (29), power supply selector switch (22), TRT, power supply and signaling interface (24), lock core electronic circuit (I), the drive unit of unblanking;

5) lock core electronic circuit (I) is positioned on the circuit board (14), comprises single-chip microcomputer, memory, the Drive and Control Circuit of unblanking of can online read-write power down not losing, and single-chip microcomputer is connected with memory, the Drive and Control Circuit of unblanking by bus; The power supply input of the output of the Drive and Control Circuit of unblanking and micromachine (3) is joined;

6) drive unit of unblanking comprises micromachine (3), pin (12), lockhole (10); Micromachine (3) is done following improvement on the prior art architecture basics: axle core (2) is inner for being partly with the cylinder of internal thread, the iron that axle core (2) outside has root to link to each other is grabbed (6), the front end that iron is grabbed (6) is ferromagnetics material and is wound with coil, this coil joins through the power supply of change-over circuit and micromachine (3) input, and front end outer that iron is grabbed (6) is with a circle and is fixed on permanent-magnetic clamp (5) on micromachine (3) housing; The latter half of pin (12) has with the external screw thread that is meshed of internal thread of axle core (2) and is inserted in the core (2), and the first half of pin (12) is that front end has the cylinder of projection (13) and extend in the lockhole (10); Lockhole (10) is a circular hole that lock body standing part (25) is consistent with the radius of the movable part of unblanking (27) and the position coincide that connects electronic lock cylinder, and an inwardly protruding and the protruding beam (11) parallel with barrel are arranged in the hole of lockhole (10).

2, electronic lock cylinder device according to claim 1 is characterized in that: the electronic lock cylinder device also comprises key positioner device (18), the lock core cipher toggle switch (1) that resets; Key positioner device (18) is positioned at the side of keyhole slot (29); The lock core cipher toggle switch (1) that resets has two terminals, inserts lock core electronic circuit (I) respectively.

3, a kind of passive electronic key device is characterized in that: comprise tooth bar (43), power supply and signaling interface (42), key electronic circuit (II); Tooth bar (43) is positioned at the electron key first half, and tooth bar (43) afterbody has one section groove (44); Power supply and signaling interface (42) join with key electronic circuit (II); Key electronic circuit (II) comprises the memory of can online read-write power down not losing.

4, a kind of Password Management apparatus of realizing that the electronic cipher to electronic lock cylinder and electron key manages is characterized in that: comprise code management device battery power circuit, code management device electronic circuit (III), code management device operation keyboard, code management device state display lamp, lock core plug (45), key socket (46); Code management device electronic circuit (III) includes single-chip microcomputer; The code management device operation keyboard comprises password update key, password duplicate key; Lock core plug (45) includes power supply and signaling interface, and the power supply of lock core plug (45) and signaling interface and code management device electronic circuit (III) join; Key socket (46) comprises key inserting slot, power supply and signaling interface; Key inserting slot is an inner groove of key socket (46), has inlet to lead to the outside of code management device; The power supply of key socket (46) and signaling interface are positioned at the inside of key socket (46) and the side of key inserting slot, and join with code management device electronic circuit (III).

5, a kind of key management apparatus that electron key is managed realized is characterized in that: comprise key manager battery power circuit, key manager electronic circuit (IV), key manager operation keyboard, key manager state display lamp, key socket (47); Key manager electronic circuit (IV) includes single-chip microcomputer; The key manager operation keyboard includes key initialization key; Key manager has 1 or 2 key sockets (47), the internal construction of all key sockets (47) except that with the connectivity port of key manager electronic circuit (IV) all identical; Key socket (47) comprises key inserting slot, power supply and signaling interface; Key inserting slot is an inner groove of key socket (47), has inlet to lead to the outside of key manager; Power supply and signaling interface are positioned at the inside of key socket (47) and the side of key inserting slot, and join with key manager electronic circuit (IV).

6, a kind of realize electronic lock cylinder and electron key cryptographic core to, electronic lock cylinder unblank to control, the software approach of electronic lock cylinder inner cipher management, it is characterized in that:

1) described software approach comprises the steps:

A, the content that reads and judge " identification byte " of appointment from the power supply and the signaling interface (24) of electronic lock cylinder are electron key as the content representation access device of " identification byte ", then jump to the b step; Content representation access device as " identification byte " is a code management device, then jumps to the d step; Content as " identification byte " does not then finish in predefined scope;

It is right that b, the electronic cipher that reads electron key carry out cryptographic core, if there is certain group electronic cipher unanimity then to jump to the c step, then finishes if all electronic ciphers are all inconsistent;

C, execution " unlock operation " finish then;

D, check whether access device has pair electronic cipher operation permission, if having then jump to the f step, if then do not jump to the e step;

E, send the instruction of " not allowing Password Operations ", finish then to code management device;

F, send the instruction of " permission Password Operations " and the information that comprises the electronic cipher of electronic lock cylinder, carry out the g step then to code management device;

G, circular wait code management device send " revising the electronic lock cylinder password " instruction; If receive " revising the electronic lock cylinder password " instruction, then carry out the h step;

H, revise the respective electronic password of electronic lock cylinder by the command request received; After finishing, operation returns the g step.

2) described software approach, the measure of being adopted that password is decoded by electronics that prevents comprises: the maximum value of each cryptographic core to the group number of the electronic cipher of the access device that read limited, and the cryptographic core that just can carry out next time behind the single-chip microcomputer of lock core electronic circuit (I) that need reset is right; Before code management device transmits comparative result, time-delay is arranged; Just provide the result behind each cryptographic core all effective electronic ciphers to the relatively intacter access device of need; It is all identical to the used time of all branches of the program of part to relate to cryptographic core.

7, realization electronic lock cylinder according to claim 6 and electron key cryptographic core to, electronic lock cylinder unblank to control, the software approach of electronic lock cylinder inner cipher management, it is characterized in that: electronic cipher is stored in respectively in electronic lock cylinder and the electron key, and every group of electronic cipher uses 32 the binary code of being not less than of common fixed-length to represent; The electronic cipher of storage comprises administrator password and ordinary password by type in the electronic lock cylinder, and electron key comprises management key and normal key by type; It is right that electronic lock cylinder use and management password and management key carry out cryptographic core, and it is right to use ordinary password and normal key to carry out cryptographic core; The management key can allow unlock operation and electronic cipher is managed operation, and normal key only allows unlock operation; Electron key identifies this electron key by storage in specific " identification byte " " the management key is represented word string " or " normal key is represented word string " and is management key or normal key; The administrator password of storage comprises current administrator password, upgrades preceding old administrator password in the electronic lock cylinder; The ordinary password of storage comprises current ordinary password, upgrades preceding old ordinary password in the electronic lock cylinder.

8, realization electronic lock cylinder according to claim 6 and electron key cryptographic core to, electronic lock cylinder unblank to control, the software approach of electronic lock cylinder inner cipher management, it is characterized in that: comprise following " lock core resets " operating procedure:

A, read the reset state of toggle switch (1) of lock core cipher, as then jumping to the b step for " reset mode "; As then finishing " lock core resets " operating procedure, continue down to carry out other operation for " normal condition ";

9, a kind of software approach of realizing that the electronic cipher to electronic lock cylinder and electron key manages, it is characterized in that: described method comprises the steps:

10, a kind of software approach that electron key is managed realized, it is characterized in that: described method comprises the steps: