CN103761788A

CN103761788A - Bi-directional communication coded lock

Info

Publication number: CN103761788A
Application number: CN201410025103.3A
Authority: CN
Inventors: 林挺意
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-01-20
Filing date: 2014-01-20
Publication date: 2014-04-30
Anticipated expiration: 2034-01-20
Also published as: CN103761788B

Abstract

The invention relates to a bi-directional communication coded lock. The bi-directional communication coded lock comprises a lock body, a lock core assembly, a key assembly and a lock bolt assembly, wherein the key assembly comprises a key plug, a key handle and a key control circuit board; the lock core assembly comprises a lock core shell and a lock core control circuit board; a plurality of contactors are respectively arranged in a key insertion hole and the key plug of the lock core shell; when the key plug is inserted into the key insertion hole and rotated in place, each contactor is correspondently communicated, so that the circuit of a power supply driving control circuit is conducted, and each circuit board is electrified; a lock core control chip and a key control chip, which are used for transmitting verification passwords and controlling the lock bolt assembly to be unlocked or locked according to the passwords, are arranged in a lock core control chip working circuit and a key control circuit board. By adopting the bi-directional communication coded lock, the contact matching structure of the lock core assembly and the key assembly is simplified; moreover, the lock core assembly and the key assembly communicate with each other through a single line so as to transmit and verify the passwords, so that the lock structure is simplified, the electricity consumption is small, and convenience in machining is realized.

Description

Two-way communication coded lock

Technical field

The present invention relates to a kind of two-way communication coded lock, it can be used on the various senior locksets such as antitheft door, automobile, safety cabinet.

Background technology

Along with the enhancing day by day of social materials wealth, safe antitheft has become the hot issue of social concerns, and " lock ", as the iron general who guards door, people are more and more higher to its requirement.Common mechanical lock is affected by its manufacture craft, password is subject to certain limitation, now not competent in important place, and all kinds of electronic password lock ubiquity complex structure, power consumption is large, cost is high, use inconvenience and password to be provided with the defects such as limitation or poor safety performance.

Summary of the invention

The object of the present invention is to provide a kind of two-way communication coded lock, it has not only simplified the contact fit structure of lock core assembly and key assembly, and lock core assembly and key assembly adopt single line communication to carry out password transmission checking, make the structure of lockset simpler, power consumption is little, and processing and manufacturing is convenient.

Technical solution of the present invention is to form like this: a kind of two-way communication coded lock, it comprises lock body, lock bolt components, lock core assembly and key assembly, lock bolt components and lock core assembly are installed on lock body, and lock bolt components is realized release or shut action by key assembly and the control of lock core assembly; Described key assembly comprises key plug, be connected in the key handle of key plug rear end and be arranged at the key control circuit board of key handle inner chamber;

Described lock core assembly comprises the lock core shell and the lock core control circuit board that are installed in lock body, and lock core control circuit board comprises power-supply circuit, power driving control circuit, lock core control chip operating circuit and motor drive circuit; The power supply signal input end DYVCC of power driving control circuit is connected with power-supply circuit, and the power supply signal output terminal VCC of power driving control circuit is used for being respectively connected power supply with lock core control chip operating circuit, motor drive circuit and key control circuit board; The on/off of power driving control circuit control power-supply circuit and other each circuit; Motor drive circuit is connected with lock core control chip operating circuit, thereby control is carried out in the instruction of sending according to lock core control chip operating circuit, lock bolt components is realized release or shut action;

It is characterized in that:

1. described key plug front end is provided with insulating end, insulating end middle part is provided with the positive contact of key power supply and the key communication contact by conductive material, being made and mutually isolated, rear end, the positive contact of key power supply is connected with the power supply signal input end VCC of key control circuit board through key plug inner chamber through electric connection line, and key communication contact rear end is connected with the key data communication port TRXD of key control circuit board through key plug inner chamber through electric connection line; The periphery wall of key plug is provided with the key radially outward protruding and protrudes contact, and described key protrudes contact and key plug entirety is made by conductive material, and is connected with the negative pole GND--of key control circuit board;

2. in described lock core shell, be provided with the key hole for inserting key plug, the duct inwall of key hole is provided with to be convenient to insert the key plug putting in place in key hole and to rotate the groove of carrying out release or shutting action, the cell wall place of groove be provided with following two mutually isolation be inserted in lock core shell and the flexible lock core contact that can move relative to key hole radial expansion respectively: power turn-on contact and negative pole conducting contact; The external end head of power turn-on contact is connected with the power turn-on making leaf spring that is used for it to apply inside pressure on top surface, and power turn-on making leaf spring is connected with the power turn-on signal incoming end JDQ of power driving control circuit through electric connection line; The external end head of negative pole conducting contact is connected with the negative pole conducting making leaf spring that is used for it to apply inside pressure on top surface, and negative pole conducting making leaf spring is connected with the negative pole GND of lock core control circuit board through electric connection line;

The bottom, hole of key hole be provided with following two mutually isolation be inserted in lock core shell and can distinguish relative key hole with parallel shafts to the flexible lock core contact of direction telescopic moving: power supply connects contact and communication contacts; The external end head of power supply connection contact is connected making leaf spring 85 with the power supply that is used for it to apply inside pressure on top surface and connects, and power supply making leaf spring is connected with the power supply signal output terminal VCC of power driving control circuit through electric connection line; The external end head of communication contacts is connected with the communication making leaf spring that is used for it to apply inside pressure on top surface, and communication making leaf spring is connected with the lock core data communication port ZTRXD of lock core control chip operating circuit through electric connection line;

In key plug inserts key hole and while being rotated in place, the position at power turn-on contact and the inner termination place of negative pole conducting contact just in time can be connected with the key protrusion contact of being located on key plug simultaneously; The position that power supply connects the inner termination place of contact and communication contacts just in time can be connected respectively with the positive contact of key power supply and the key communication contact be located on key plug; And now can make the circuit turn-on of power driving control circuit, the power supply signal output terminal VCC out-put supply signal by power driving control circuit is to lock core control chip operating circuit and key control circuit board;

In described lock core control chip operating circuit and key control circuit board, be provided with lock core control chip FU1 and the key control chip FU3 that can realize following functions: when key plug inserts in key hole and is rotated in place, lock core control chip operating circuit and key control circuit board are obtained when electric by power driving control circuit, lock core control chip FU1 sets up two-way communication with key control chip FU3 by lock core data communication port ZTRXD and key data communication port TRXD and is connected, the control program of key control chip FU3 and lock core control chip FU1 is realized password transmission, verifying work, when cryptographic core is to after correct, the control program output of lock core control chip FU1 is used for driving motor driving circuit and lock bolt components is carried out to the unlock command of release action, when password mistake, lock core control chip FU1 does not export unlock command.

In addition, technique scheme of the present invention has also been done following improvement:

Described lock body comprise be used for fixing be arranged on door external side outer panels and be used for fixing the locking bolt mounting shell being arranged in Men Titi, described lock core shell is installed in outer panels, described lock core control circuit board and lock bolt components are installed in locking bolt holder housing; Described outer panels outside is also provided with the outer handle that can rotate relative to outer panels, between outer panels and outer handle, be connected with the outer handle spring for driving outer handle rotating to reset, described lock bolt components comprises locking bolt, with outer handle by outer handle rotating shaft coaxial linkage and be used for driving locking bolt execution unblank or shut action outer driving claw, be located at the stop of outer driving claw side, the motor that is connected with motor drive circuit and be connected in motor and stop between stop transmission component; Described stop transmission component can be positioned at stop not limit stop unlocked position that outer driving claw rotates or the stop locked position of coupler of the outer driving claw rotation of restriction under the forward or reverse of motor drives;

When described motor drive circuit is received the unlock command of lock core control chip FU1 output, motor drive circuit can be controlled motor and just go to driving stop arrival stop unlocked position, and when motor is just going to driving stop arrival stop unlocked position, motor drive circuit can be inverted to and drive stop to get back to stop locked position of coupler at setting-up time control motor again; When described motor drive circuit is not received the unlock command of lock core control chip FU1 output, motor drive circuit not driving motor rotates.

In order both to guarantee the normally each circuit normal power supply to lock core control circuit board and key control circuit board of power-supply circuit, again can be just in case do not have the convenient temporary source that successfully provides electric in the situation that to use: described power-supply circuit comprises battery-powered circuit and the interim feed circuit of battery of mobile phone; The positive source of battery-powered circuit is connected with the power supply signal input end DYVCC of power driving control circuit through the 21 diode D21, and the power cathode of battery-powered circuit is connected with the negative pole GND of lock core control circuit board;

The interim feed circuit of battery of mobile phone comprise be installed on certain position universal mobile phone battery socket of outer panels outside or the external side of door and be connected in the positive pole of universal mobile phone battery socket and the power supply signal input end DYVCC of power driving control circuit between battery of mobile phone booster circuit, the negative pole of universal mobile phone battery socket is connected with the negative pole GND of lock core control circuit board;

In order to detect in time that whether voltage is normal, on lock core control circuit board, be also provided with low pressure and detect cue circuit, described low pressure detects the power supply signal input end VCC of cue circuit and is connected with the power supply signal output terminal VCC of power driving control circuit and carries out following functions: when the power supply signal output terminal VCC output voltage that power driving control circuit detected is during lower than setting voltage value, low pressure detection cue circuit sends low pressure alarming signal.

A kind of preferred circuit composition structure provided by the invention is as follows: described battery-powered circuit comprises electric battery BT, the positive source of electric battery BT is connected with the positive pole of the 21 diode D21, and the negative pole of the 21 diode D21 is connected with the power supply signal input end DYVCC of power driving control circuit;

Described battery of mobile phone booster circuit comprises the chip U3 that boosts, the first inductance L the 1, the 12 diode D12, the 13 resistance R the 13, the 14 resistance R the 14, the 15 resistance R the 15, the 16 resistance R the 16, the 17 resistance R 17, the nonpolar capacitor C 18 of the 5th nonpolar capacitor C the 15, the 16 nonpolar capacitor C the 17, the 18 of nonpolar capacitor C the 16, the 17 of nonpolar capacitor C the 5, the 15, the 3rd polar capacitor E3, the 13 voltage stabilizing diode D13 and the 20 diode D20; The positive pole of universal mobile phone battery socket is connected with the positive pole of the 20 diode D20 through electric connection line, the negative pole of the 20 diode D20 is connected with one end of the 5th nonpolar capacitor C 5, one end of the 15 nonpolar capacitor C 15, one end of the first inductance L 1 simultaneously, and the other end, the anodal of the 12 diode D12 of the first inductance L 1 are connected with 1 pin and 2 pin of the chip U3 that boosts simultaneously; 3 pin and 4 pin of chip U3 of boosting are connected with one end of the 13 resistance R 13; 8 pin of chip U3 of boosting are connected with one end of the 14 resistance R 14, one end of the 15 resistance R 15, one end of the 16 nonpolar capacitor C 16 simultaneously; 7 pin of chip U3 of boosting are connected with one end of the 16

resistance R

16, and 6 pin of the chip U3 that boosts are connected with one end of the 17 nonpolar capacitor C 17, the negative pole of the 13 voltage stabilizing diode D13, the other end of the 16 resistance R 16, one end of the 17 resistance R 17 simultaneously; The positive pole of the other end of the negative pole of the 12 diode D12, the other end of the 14 resistance R 14, the 17 resistance R 17, one end of the 18 nonpolar capacitor C 18, the 3rd polar capacitor E3 is connected to the output terminal SYVCC that boosts of battery of mobile phone booster circuit simultaneously, and the output terminal SYVCC that boosts of battery of mobile phone booster circuit is connected with the power supply signal input end DYVCC of power driving control circuit through the 22 diode D22; The other end of 5 pin of the other end of the 5th nonpolar capacitor C 5, the other end of the 15 nonpolar capacitor C 15, the other end of the 13 resistance R 13, the chip U3 that boosts, the other end of the 16 nonpolar capacitor C 16, the 15 resistance R 15, the other end of the 17 nonpolar capacitor C 17, the positive pole of the 13 voltage stabilizing diode D13, the other end of the 18 nonpolar capacitor C 18, the negative pole of the 3rd polar capacitor E3 meet the negative pole GND of lock core control circuit board simultaneously;

Described power driving control circuit comprises that second from recovering insurance F2, the first relay J K1, the 5th polar capacitor E5, the 21 nonpolar capacitor C the 21, the 16 diode D16, the 17 diode D17, the 22 resistance R the 22, the 20 nonpolar capacitor C 20 and the first Darlington optocoupler GU1; Second is the power supply signal input end DYVCC of power driving control circuit from the one end of recovering insurance F2, and the other end is connected with contact switch one end and coil one end of the first relay J K1 simultaneously; The contact switch other end of the first relay J K1 meets the negative pole of the 16 diode D16, the positive pole of the 5th polar capacitor E5, one end of the 21 nonpolar capacitor C 21, the power supply signal output terminal VCC of power driving control circuit simultaneously, and the coil other end of the first relay J K1 connects the positive pole of the positive pole of the 16 diode D16, the 17 diode D17, the 5th pin of the first Darlington optocoupler GU1 simultaneously; The negative pole of the 17 diode D17 meets the power turn-on signal incoming end JDQ of power driving control circuit; The first pin of the first Darlington optocoupler GU1 connects the 22 one end of resistance R 22 and one end of the 20 nonpolar capacitor C 20 simultaneously, and the crus secunda of the first Darlington optocoupler GU1 meets the other end of the 20 nonpolar capacitor C 20 and the power control signal output port P1.5 of lock core control chip FU1 simultaneously; The other end of the 22 resistance R 22 is connected with the power supply signal output terminal VCC of power driving control circuit; The 4th pin, the 5th negative pole of polar capacitor E5 and the other end of the 21 nonpolar capacitor C 21 of the first Darlington optocoupler GU1 are all connected with the negative pole GND of lock core control circuit board;

Described key control circuit board also comprises the 01 polar capacitor E01, the 01 resistance R 01, the 3rd crystal oscillator XTAL3, the 01 capacitor C the 01 and the 02 capacitor C 02, the 01 polar capacitor E01 and the 01 resistance R 01 form the RST pin reset circuit of key control chip FU3, and the 3rd crystal oscillator XTAL3, the 01 capacitor C the 01, the 02 capacitor C 02 forms oscillating circuit to key control chip FU3, provides clock signal;

Described lock core control chip operating circuit also comprises the first polar capacitor E1, the 7th resistance R 7, the first crystal oscillator XTAL1, the first nonpolar capacitor C 1 and the second nonpolar capacitor C 2, the first polar capacitor E1 and the 7th resistance R 7 form the RST pin reset circuit of lock core control chip FU1, and crystal oscillator XTAL1, the first nonpolar capacitor C 1, the second nonpolar capacitor C 2 forms oscillating circuit to lock core control chip FU1, provides clock signal; The power control signal output port P1.5 of lock core control chip FU1 is connected with the power supply signal output terminal VCC of power driving control circuit through the 9th resistance R 9 simultaneously;

Described motor drive circuit comprises motor drive chip U1, the 3rd nonpolar capacitor C 3 and the 4th nonpolar capacitor C 4; The forward control input end IN1 of motor drive chip U1 is connected with the forward signal output port P1.1 of lock core control chip FU1, the reversion control input end IN2 of motor drive chip U1 is connected with the reverse signal output port P1.2 of lock core control chip FU1, and the startup control end EN1 of motor drive chip U1 is connected with the enabling signal output port P1.3 of lock core control chip FU1; The VCC port of motor drive chip U1 is connected with one end of the 3rd nonpolar capacitor C 3 and the power supply signal output terminal VCC of power driving control circuit simultaneously, and the VC port of motor drive chip U1 is connected with one end of the 4th nonpolar capacitor C 4 and the power supply signal output terminal VCC of power driving control circuit simultaneously; All GND ports of the other end of the 3rd nonpolar capacitor C 3, the other end of the 4th nonpolar capacitor C 4 and motor drive chip U1 all connect negative pole; The OUT1 output port of motor drive chip U1 is connected with the two ends of motor MG123 respectively with OUT2 output port;

Described low pressure detects cue circuit and comprises low pressure detection chip U4, the 18 resistance R 18, the 19 resistance R 19, the 20 resistance R 20, the 21 resistance R 21 and the 6th triode Q6, one end of the 18 resistance R 18, one end of the 20 resistance R 20, one end of the 21 resistance R 21 is connected with the power supply signal output terminal VCC of power driving control circuit simultaneously, one end of the other end of the 18 resistance R 18 and the 19 resistance R 19 is connected with 1 pin of low pressure detection chip U4 simultaneously, 2 pin of the other end of the 19 resistance R 19 and low pressure detection chip U4 connect the negative pole of lock core control circuit board simultaneously, 3 pin of low pressure detection chip U4 are connected with the base stage of the 20 resistance R 20 and the 6th triode Q6 simultaneously, the other end of the 21 resistance R 21 is connected with the collector of the 6th triode Q6, the emitter of the 6th triode Q6 is connected with one end of the low pressure pilot lamp LED1 that is arranged on lock body outside or lock body carrier outside, the negative pole GND of another termination lock core control circuit board of low pressure pilot lamp LED1.

For the ease of charging to battery-powered circuit in time, described two-way communication coded lock also comprises for the solar panel to battery-powered circuit charging, on described lock core control circuit board, be also provided with the solar charging circuit being connected between solar panel and battery-powered circuit, described solar charging circuit comprises the 23 diode D23 and the 24 voltage stabilizing diode D24, the positive pole of the 23 diode D23, the negative pole of the 24 voltage stabilizing diode D24 is connected with the positive pole of solar panel simultaneously, the negative pole of the 23 diode D23 is connected with the positive pole of the 21 diode D21, the negative pole of solar panel, the positive pole of the 24 voltage stabilizing diode D24 meets the negative pole GND of lock core control circuit board simultaneously.

When having commercial power interface that power supply is provided near the door body that lock body is installed: described power-supply circuit also comprises mains-supplied circuit, described mains-supplied circuit comprises direct current mains power sockets N1, the first fuse F1, quadripolarity electric capacity E4, the 8th nonpolar capacitor C 8, voltage stabilizing triode 78M05, the 19 nonpolar capacitor C the 19 and the 19 diode D19, 220V mains supply is connected with direct current mains power sockets N1 after transformer pressure-reducing rectification, the positive pole of direct current mains power sockets N1 is connected with one end of the first fuse F1, the other end of the first fuse F1 connects the positive pole of quadripolarity electric capacity E4 simultaneously, input end 1 pin of one end of the 8th nonpolar capacitor C 8 and voltage stabilizing triode 78M05, output terminal 2 pin of voltage stabilizing triode 78M05 connect one end of the 19 nonpolar capacitor C 19 simultaneously, the positive pole of the 19 diode D19, the negative pole of direct current mains power sockets N1, the negative pole of quadripolarity electric capacity E4, the other end of the 8th

nonpolar capacitor C

8, 2 pin of voltage stabilizing triode 78M05 and the other end of the 19 nonpolar capacitor C 19 meet the negative pole GND of lock core control circuit board simultaneously, the negative pole of the 19 diode D19 is connected with the power supply signal input end DYVCC of power driving control circuit.Mains-supplied circuit is alternative to be used.

In order to send alerting signal and can send in time cue when password mistake reaches setting degree when to unblank success: described two-way communication coded lock also comprises the alarming horn SPK for being installed on the external side of door and the alarm set of unblanking, and is also provided with the alert circuit of unblanking that is connected in the warning driving circuit between lock core control chip FU1 and alarming horn SPK and is connected in lock core control chip FU1 and unblanks between alarm set on described lock core control circuit board; The unblanking of the described lock core control chip FU1 detection port P3.5 that puts in place is connected with the trigger switch K2 that puts in place of unblanking that is located at stop in locking bolt holder housing and moves spacing flip flop equipment; When motor is just going to driving stop arrival stop unlocked position, trigger the trigger switch K2 output signal that puts in place of unblanking that puts in place of unblanking that stop moves spacing flip flop equipment, when the detection port P3.5 that puts in place of unblanking of lock core control chip FU1 detects signal when input of unblanking to put in place, lock core control chip FU1 controls the alert circuit of unblanking and sends the alerting signal of unblanking; When lock core control chip FU1 is realizing in password transmission, verifying work with key control chip FU3, while detecting password mistake, lock core control chip FU1 controls warning driving circuit and sends alerting signal.

Described warning driving circuit comprises the 3rd resistance R 3, the 3rd triode Q3 and the 9th diode D9, the alarm signal output ends mouth P1.7 of lock core control chip FU1 through the 3rd resistance R 3 be connected with the base stage of the 3rd triode Q3, the emitter of the 3rd triode Q3 and the power supply signal output terminal VCC of power driving control circuit is connected, the collector of the 3rd triode Q3 is connected with one end of alarming horn SPK through the 9th diode D9, the negative pole GND of another termination lock core control circuit board of alarming horn SPK;

The described alert circuit of unblanking consists of unblank drive circuit of indicator and/or the prompt tone driving circuit of unblanking; Unblank pilot lamp and/or the hummer of unblanking by being arranged on outer panels or the external side of door that the described alarm set of unblanking is corresponding form;

The described indicator light circuit of unblanking comprises the first triode Q1, the second resistance R 2, the first diode D1 and the first resistance R 1, the pilot lamp signal output port P1.0 that unblanks of lock core control chip FU1 is connected with the base stage of the first triode Q1 through the second resistance R 2, the emitter of the first triode Q1 is connected with the power supply signal output terminal VCC of power driving control circuit, the collector of the first triode Q1 is connected with one end of the first resistance R 1 through the first diode D1, and the other end of the first resistance R 1 is connected with one end of the pilot lamp LED that unblanks; The negative pole GND of another termination lock core control circuit board of pilot lamp LED unblanks;

The described prompt tone driving circuit of unblanking comprises the 4th resistance R 4 and the 5th triode Q5, the prompt tone signal output port P1.6 that unblanks of lock core control chip FU1 is connected with the base stage of the 5th triode Q5 through the 4th resistance R 4, the collector of the 5th triode Q5 is connected with the negative pole GND of lock core control circuit board, the emitter of the 5th triode Q5 is connected with one end of the hummer of unblanking, and the other end of the hummer of unblanking is connected with the power supply signal output terminal VCC of power driving control circuit.

For fear of being subject to outside destroy at lock core shell and lock core control circuit board or self damaging and while causing fault, affect the normal switch lock work of lock bolt components: described lock core assembly also comprises the standby lock core shell that is installed on outer panels or door external side another location, and described lock core control circuit board also comprises standby power supply Drive and Control Circuit, standby lock core control chip operating circuit and spare motor driving circuit; The power supply signal input end DYVCC of standby power supply Drive and Control Circuit is connected with power-supply circuit, and the power supply signal output terminal BVCC of standby power supply Drive and Control Circuit is used for being respectively connected power supply with standby lock core control chip operating circuit, spare motor driving circuit and key control circuit board; The on/off of standby power supply drive control circuit power-supply circuit and other each circuit; Spare motor driving circuit is connected with standby lock core control chip operating circuit, thereby control is carried out in the instruction of sending according to standby lock core control chip operating circuit, lock bolt components is realized release or shut action;

In described standby lock core shell, be provided with the standby key jack for inserting key plug, the duct inwall of standby key jack is provided with is convenient to insert the standby groove that the key plug putting in place in standby key jack rotates to carry out release or shuts action, and the cell wall place of standby groove is provided with following two mutual isolation and is inserted in standby lock core shell and the standby lock core contact of activity that can move relative to standby key jack radial expansion respectively: standby power supply conducting contact and standby negative pole conducting contact; The external end head of standby power supply conducting contact is connected with the standby power supply conducting making leaf spring that is used for it to apply inside pressure on top surface, and standby power supply conducting making leaf spring is connected with the standby power supply Continuity signal incoming end BJDQ of standby power supply Drive and Control Circuit through electric connection line; The external end head of standby negative pole conducting contact is connected with the standby negative pole conducting making leaf spring that is used for it to apply inside pressure on top surface, and standby negative pole conducting making leaf spring is connected with the negative pole GND of lock core control circuit board through electric connection line;

The bottom, hole of standby key jack be provided with following two mutually isolation be inserted in standby lock core shell and can distinguish relative standby key jack with parallel shafts to the standby lock core contact of activity of direction telescopic moving: standby power supply connects contact and spare communication contact; The external end head that standby power supply connects contact is connected making leaf spring connection with the standby power supply that is used for it to apply inside pressure on top surface, standby power supply connects making leaf spring and is connected with the standby power supply signal output part BVCC of standby power supply Drive and Control Circuit through electric connection line; The external end head of spare communication contact is connected with the spare communication making leaf spring that is used for it to apply inside pressure on top surface, and spare communication making leaf spring is connected with the standby lock core data communication port BTRXD of standby lock core control chip operating circuit through electric connection line;

In key plug inserts standby key jack and while being rotated in place, the position at standby power supply conducting contact and the inner termination place of standby negative pole conducting contact just in time can be protruded contact with the key on key plug and is connected simultaneously; Described standby power supply connect contact and spare communication contact inner termination place position just in time can with the key plug being rotated in place on the positive contact of key power supply and key communication contact be connected respectively; And now can make the circuit turn-on of standby power supply Drive and Control Circuit, by the power supply signal output terminal BVCC out-put supply signal of standby power supply Drive and Control Circuit, give standby lock core control chip operating circuit and key control circuit board;

In described standby lock core control chip operating circuit, be provided with and can coordinate with the key control chip FU3 of key control circuit board the standby lock core control chip FU2 that realizes following functions: when key plug inserts standby key jack and is rotated in place, standby lock core control chip operating circuit and key control circuit board are obtained when electric by standby power supply Drive and Control Circuit, standby lock core control chip FU2 sets up two-way communication with key control chip FU3 by standby lock core data communication port BTRXD and key data communication port TRXD and is connected, the control program of key control chip FU3 and standby lock core control chip FU2 is realized password transmission, verifying work, when cryptographic core is to after correct, the control program output of standby lock core control chip FU2 is used for driving spare motor driving circuit lock bolt components to be carried out to the unlock command of release action, when password mistake, standby lock core control chip FU2 does not export unlock command.

For the ease of user's Modify password voluntarily, in described lock core control chip FU1 and standby lock core control chip FU2, establish synchronous password update routine, described door body inner side is also provided with the Modify password control knob K1 for setting up password update routine, one end of described Modify password control knob K1 is connected with the power turn-on signal incoming end JDQ of power driving circuit, the other end of Modify password control knob K1 is divided into three branch roads, Article 1, branch road is connected with the standby power supply Continuity signal incoming end BJDQ of standby power supply driving circuit, Article 2 branch road is connected with user's Modify password push button signalling input port P3.2 of lock core control chip FU1 through the 3rd diode D3, Article 3 branch road is connected with user's Modify password push button signalling input port B P3.2 of standby lock core control chip FU2 through the 4th diode D4, only have the Modify password control knob K1 of working as to be triggered, key plug inserts in key hole and is rotated in place simultaneously, make lock core control chip FU1 and key control chip FU3 be connected transfer check cryptographic core when correct by two-way communication, user's Modify password push button signalling input port B P3.2 of user's Modify password push button signalling input port P3.2 of lock core control chip FU1 and standby lock core control chip FU2 could detect the signal that Modify password control knob K1 is triggered simultaneously, and then setting up password update routine generates new password and is transferred to key control chip FU3, complete password modification.

The present invention invented the improvement upgrading of carrying out again on the basis of " electronic password lock " before me, it has not only improved the contact syndeton of key and lock core shell, change two wires communication into single line communication, structure is simplified greatly, and universal mobile phone battery port and battery of mobile phone booster circuit have been increased, independently standby lock core shell and standby lock core control circuit, user is Modify password function voluntarily, make with better function, more power saving, more perfect, easy to use, the same with the operation of standard machinery spring lock while unblanking, insert key and rotate and lock can be opened, and security performance is high, according to the technology of the present invention method number of password, almost can be set to infinity, number of password be only set in the design be 256 7500 powers, each lock is all globally unique password, cannot decode by technical means at all.Compared to prior art, the present invention has the following advantages:

(1) by the simple interoperation of key assembly and lock core assembly, just can realize key assembly and the energising of lock core assembly, two-way password transmission verification and the work of unblanking, not only simple in structure, power consumption is little, with low cost, easy to use, and security performance is high.(2) because key control chip can be realized two-way communication by communication interface with lock core control chip and is connected, by two-way communication, connect the transfer check that carries out password, the limitation that can avoid password to arrange, and solved ubiquity and have the problems such as the few and confidentiality of password double sign, number of password is poor; (3) unlock operation is convenient, and opens that mechanical cylinder lock is the same to be inserted key the keyhole of lock core and rotate and can open by a lock.(4) user's Modify password voluntarily, as key loss or key, temporarily give after other people use and all password can be revised, by the key of Modify password, can not cancel, not only improved the security that coded lock is used, and do not need again to change lock, greatly saved customer using cost.(5) owing to having increased the independently standby Control Component of unblanking such as standby lock core shell, standby lock core control chip operating circuit, spare motor and transmission component thereof, therefore when cipher input equipment or motor and transmission component thereof break down, can be by release and the locking work of standby cipher input equipment, spare motor and transmission component control stop thereof, do not affect normal switch lock behavior, avoid the serious problems because occurring that electronic component or mechanical fault cause user to enter the room.(6) owing to having set up the interim feed circuit of battery of mobile phone that formed by universal mobile phone battery socket and battery of mobile phone booster circuit, and almost everybody has mobile phone now, when battery-powered circuit does not have electricity or electric power when inadequate, pull down battery of mobile phone and insert universal mobile phone battery socket, through battery of mobile phone booster circuit, boost and can power to each circuit of lock core control circuit board and key control circuit board.(7) owing to not establishing battery in key, power supply is provided by lock core, can reduce the volume of key.(8) structure is more reasonable, by the switch lock of outer handle control locking bolt, is worked, and cipher input equipment only need be controlled motor and drive the rotation of the external handle of stop to carry out locking restriction or release, is therefore not only conducive to power and energy saving, and can reduces rate of breakdown.

Accompanying drawing explanation

Fig. 1 is the schematic block circuit diagram of two-way communication coded lock of the present invention.

Fig. 2 is key assembly and the lock core assembly cooperating schematic diagram of two-way communication coded lock of the present invention.

Fig. 3 is that Fig. 2 dissects view.

Fig. 4 is Fig. 2 decomposing state schematic diagram.

Fig. 5 is key assembly and the standby lock core assembly cooperating schematic diagram of two-way communication coded lock of the present invention.

Fig. 6 is the lock core control circuit board physical circuit figure of two-way communication coded lock of the present invention.

Fig. 7 is the lock core control chip operating circuit schematic diagram in Fig. 6.

Fig. 8 is the standby lock core control chip operating circuit schematic diagram in Fig. 6.

Fig. 9 is the motor drive circuit schematic diagram in Fig. 6.

Figure 10 is the spare motor driving circuit schematic diagram in Fig. 6.

Figure 11 is the power driving control circuit diagram in Fig. 6.

Figure 12 is the standby power supply Drive and Control Circuit schematic diagram in Fig. 6.

Figure 13 is the mains-supplied circuit diagram in Fig. 6.

Figure 14 is the interim feed circuit schematic diagram of the battery of mobile phone in Fig. 6.

Figure 15 is battery-powered circuit and the solar charging circuit connection diagram in Fig. 6.

Figure 16 is that the low pressure in Fig. 6 detects cue circuit.

Figure 17 is warning driving circuit and the standby warning driving circuit connection diagram in Fig. 6.

Figure 18 is the prompt tone driving circuit schematic diagram of unblanking in Fig. 6.

Figure 19 is the drive circuit of indicator schematic diagram of unblanking in Fig. 6.

Figure 20 is each electric wire connecting junction connection diagram in Fig. 6, and each circuit in figure in presentation graphs 7-Figure 19 is connected with outer member by each electric wire connecting junction respectively.

Figure 21 is key control circuit board schematic diagram.

Figure 22 is schematic diagram outside the lock bolt components of two-way communication coded lock of the present invention.

Figure 23 is the rear side upset schematic diagram in Figure 22.

Figure 24 is schematic diagram outside the outer driving claw in Figure 22.

Figure 25 is schematic diagram inside the outer driving claw in Figure 22.

Figure 26 is schematic diagram outside the interior driving claw in Figure 22.

Figure 27 is schematic diagram inside the interior driving claw in Figure 22.

Figure 28 is the security insurance sheet schematic diagram in Figure 22.

Figure 29 is the locking bolt screens sheet schematic diagram in Figure 22.

Figure 30 is outer panels inner side and the outside schematic diagram that being used in Figure 22 installed outer handle.

Figure 31 is wainscot inner side and the outside schematic diagram that being used in Figure 22 installed interior handle.

Figure 32 is that the direct motor drive stop in Figure 22 has been opened drive mechanism schematic diagram.

Figure 33 is locking bolt and the locking bolt driven unit drive mechanism schematic diagram in Figure 22.

Figure 34 is the locking bolt mounting shell schematic diagram in Figure 22.

Number in the figure is described as follows:

1, half control locking bolt, 1A, the stud shaft tail end of half control locking bolt, 2, half control locking bolt retracing spring, 3, fixing guide shaft sheet, 4, movable guide shaft sheet, 5, movable guide shaft flat spring, 6, security insurance sheet, 6A, security insurance sheet head end, 6B, security insurance sheet lower flange, 6C, security insurance sheet inclined-plane, 6D, security insurance sheet tail end, 7, outer sliding piece, 8, outer driving claw axis hole, 9, outer driving claw, 9A, the contact (use locks) of outer driving claw, 9B, the contact (unblanking to use) of outer driving claw, 9C, outer driving claw flange, 9D, outer driving claw rotating shaft, 10, master control locking bolt moves the controlled arm of actuator, 11, jointed shaft, 12, screens sheet guide groove, 13, screens sheet guide shaft, 14, position blocking pin shifting chute, 15, locking bolt position blocking pin, 16, locking bolt screens sheet, 17, screens sheet guide groove, 18, screens sheet back-moving spring, 19, screens sheet guide shaft, 20, locking bolt mounting shell, 21, Modify password control knob, 22, motor fixture, 23, motor, 24, bent axle, 25, connecting rod, 26, jointed shaft, 27, upper auxiliary bolt, 28, upper auxiliary bolt moves spacing guide shaft, 29, hoe shape guide card guide groove, 30, hoe shape guide card guide shaft, 31, upper auxiliary bolt moves stopper slot, and 32, hoe shape guide card, 32A, lead and push away square hole, 32B, lead and push away square hole, 33, auxiliary bolt driving shaft, 34, upper auxiliary bolt impeller-hub guide groove, 35, jointed shaft, 36, stop linking arm, 37, stop guide shaft, 38, jointed shaft, 39, stop guide shaft, 40, stop guide groove, 41, stop, 42, stop back-moving spring, 43, stop reset card, 44, interior sliding piece, 45, the axis hole of interior driving claw, 46, interior driving claw, 46A, the contact (use locks) of interior driving claw, 46B, the contact (unblanking to use) of interior driving claw, 46C, interior driving claw flange, 46D, interior driving claw rotating shaft, 47, the movable guide card of master control locking bolt, 48, fixing contact, 49 of triggering of screens sheet, screens sheet activity-triggered contact, 50, locking bolt screens sheet moves limit switch, 51, the stop release contact that puts in place, 52, stop moves spacing flip flop equipment, 53, stop activity-triggered contact, 54, the stop locking contact that puts in place, 55, standby connecting rod, 56, jointed shaft, 57, standby bent axle, 58, spare motor fixture, 59, spare motor, 60, jointed shaft, 61, drive brace, 62, master control locking bolt moves the actuating arm of actuator, 63, lower auxiliary bolt impeller-hub guide groove, 64, lower auxiliary bolt moves stopper slot, 65, lower auxiliary bolt, 66, the master control locking bolt that locks, 67, stop back-moving spring installation shaft, 70, outer panels, 71, outer handle, 71A, outer handle spring, 72, outer handle rotating shaft, 73, interior handle rotating shaft, 74, interior handle, 74A, interior handle spring, 75, wainscot, 76, wainscot battery case placement location.

77, universal mobile phone battery socket, 81, standby key jack, 83, negative pole conducting making leaf spring, 84, communication making leaf spring, 85, power supply connects making leaf spring, 86, power turn-on making leaf spring, 96, lock core insulator foot, 96A, lock core metal front stall, 97, power supply connects contact, 98, communication contacts, 99, negative pole conducting contact, 100, power turn-on contact, 101, the positive contact of key power supply, 102, key communication contact, 103, insulating end, 104, key protrudes contact, 105, key plug, 106, key handle, 107, key hole, 108, groove, 109, the hummer of unblanking, 110, the pilot lamp of unblanking,

B83, standby negative pole conducting making leaf spring, B84, spare communication making leaf spring, B85, standby power supply connect making leaf spring, B86, standby power supply conducting making leaf spring, B96, standby lock core shell, B97, standby power supply connect contact, standby B98, use communication contacts, B99, standby negative pole conducting contact, B100, standby power supply conducting contact, B108, standby groove.

Embodiment

Below in conjunction with Figure of description and specific embodiment, content of the present invention is elaborated:

Referring to Fig. 1-Figure 34, be depicted as a kind of two-way communication coded lock provided by the invention, it comprises lock body, lock bolt components, lock core assembly and key assembly, lock bolt components and lock core assembly are installed on lock body, and lock bolt components is realized release or shut action by key assembly and the control of lock core assembly; Described key assembly comprises key plug 105, be connected in the key handle 106 of key plug 105 rear ends and be arranged at the key control circuit board (referring to Figure 21) of key handle 106 inner chambers;

Described lock core assembly comprises the lock core shell and the lock core control circuit board that are installed in lock body, and lock core control circuit board comprises power-supply circuit (referring to Figure 13, Figure 14, Figure 15), power driving control circuit (referring to Figure 11), lock core control chip operating circuit (referring to Fig. 7) and motor drive circuit (referring to Fig. 9); The power supply signal input end DYVCC of power driving control circuit is connected with power-supply circuit, and the power supply signal output terminal VCC of power driving control circuit is used for being respectively connected power supply with lock core control chip operating circuit, motor drive circuit and key control circuit board; The on/off of power driving control circuit control power-supply circuit and other each circuit; Motor drive circuit is connected with lock core control chip operating circuit, thereby control is carried out in the instruction of sending according to lock core control chip operating circuit, lock bolt components is realized release or shut action;

It is characterized in that:

1. described key plug 105 front ends are provided with insulating end 103, insulating end 103 middle parts are provided with the positive contact 101 of key power supply and the key communication contact 102 by conductive material, being made and mutually isolated, 101 rear ends, the positive contact of key power supply are connected with the power supply signal input end VCC of key control circuit board through key plug 105 inner chambers through electric connection line, and key communication contact 102 rear ends are connected with the key data communication port TRXD of key control circuit board through key plug 105 inner chambers through electric connection line; The periphery wall of key plug 105 is provided with the key radially outward protruding and protrudes contact 104, and described key protrudes contact 104 to be made by conductive material with key plug 105 entirety, and is connected with the negative pole GND--of key control circuit board;

2. in described lock core shell, be provided with the key hole 107 for inserting key plug 105, the duct inwall of key hole 107 is provided with to be convenient to insert the key plug 105 putting in place in key hole 107 and to rotate the groove 108 of carrying out release or shutting action, the cell wall place of groove 108 be provided with following two mutually isolation be inserted in lock core shell and the flexible lock core contact that can move relative to key hole 107 radial expansions respectively: power turn-on contact 100 and negative pole conducting contact 99; The external end head of power turn-on contact 100 is connected with the power turn-on making leaf spring 86 that is used for it to apply inside pressure on top surface, and power turn-on making leaf spring 86 is connected with the power turn-on signal incoming end JDQ of power driving control circuit through electric connection line; The external end head of negative pole conducting contact 99 is connected with the negative pole conducting making leaf spring 83 that is used for it to apply inside pressure on top surface, and negative pole conducting making leaf spring 83 is connected with the negative pole GND of lock core control circuit board through electric connection line;

The bottom, hole of key hole 107 be provided with following two mutually isolation be inserted in lock core shell and can distinguish relative key hole 107 with parallel shafts to the flexible lock core contact of direction telescopic moving: power supply connects contact 97 and communication contacts 98; The external end head of power supply connection contact 97 is connected making leaf spring 85 with the power supply that is used for it to apply inside pressure on top surface and connects, and power supply making leaf spring 85 is connected with the power supply signal output terminal VCC of power driving control circuit through electric connection line; The external end head of communication contacts 98 is connected with the communication making leaf spring 84 that is used for it to apply inside pressure on top surface, and communication making leaf spring 84 is connected with the lock core data communication port ZTRXD of lock core control chip operating circuit through electric connection line;

In key plug 105 inserts key hole 107 and while being rotated in place, the position at power turn-on contact 100 and the inner termination place of negative pole conducting contact 99 just in time can be connected with the key protrusion contact 104 of being located on key plug 105 simultaneously; The position that power supply connects the inner termination place of contact 97 and communication contacts 98 just in time can be connected respectively with the positive contact 101 of key power supply and the key communication contact 102 be located on key plug 105; And now can make the circuit turn-on of power driving control circuit, the power supply signal output terminal VCC out-put supply signal by power driving control circuit is to lock core control chip operating circuit and key control circuit board;

In described lock core control chip operating circuit and key control circuit board, be provided with lock core control chip FU1 and the key control chip FU3 that can realize following functions: in key plug 105 inserts key hole 107 and be rotated in place, lock core control chip operating circuit and key control circuit board are obtained when electric by power driving control circuit, lock core control chip FU1 sets up two-way communication with key control chip FU3 by lock core data communication port ZTRXD and key data communication port TRXD and is connected, the control program of key control chip FU3 and lock core control chip FU1 is realized password transmission, verifying work, when cryptographic core is to after correct, the control program output of lock core control chip FU1 is used for driving motor driving circuit and lock bolt components is carried out to the unlock command of release action, when password mistake, lock core control chip FU1 does not export unlock command.

Described lock body comprises being used for fixing and is arranged on the outer panels 70 of the external side of door and is used for fixing the locking bolt mounting shell 20 being arranged in Men Titi, described lock core shell is installed in outer panels 70, and described lock core control circuit board and lock bolt components are installed in locking bolt mounting shell 20 bodies; Described outer panels 70 outsides are also provided with the outer handle 71 that can rotate relative to outer panels, between outer panels 70 and outer handle 71, be connected with for driving outer handle 71 to rotate the outer handle spring 71A resetting, described lock bolt components comprises locking bolt, with outer handle 71 by outer handle rotating shaft 72 coaxial linkages and be used for driving locking bolt execution unblank or shut action outer driving claw 9, be located at the stop 41 of outer driving claw 9 sides, the motor 23 that is connected with motor drive circuit and be connected in motor 23 and stop 41 between stop transmission component; Described stop transmission component can be positioned at stop 41 not limit the stop locked position of coupler that outside stop unlocked position that outer driving claw 9 rotates or restriction, driving claw 9 rotates under the forward or reverse of motor 23 drives;

When described motor drive circuit is received the unlock command of lock core control chip FU1 output, motor drive circuit can control motor 23 just going to drive stop 41 arrive stop unlocked position, and when motor 23 is just going to, drive stop 41 while arriving stop unlocked position, motor drive circuit can be inverted to and drive stop 41 to get back to stop locked position of coupler at setting-up time control motor 23 again; When described motor drive circuit is not received the unlock command of lock core control chip FU1 output, motor drive circuit not driving motor 23 rotates.

Described power-supply circuit comprises battery-powered circuit (referring to Figure 15) and the interim feed circuit of battery of mobile phone (referring to Figure 14);

The positive source of battery-powered circuit is connected with the power supply signal input end DYVCC of power driving control circuit through the 21 diode D21, and the power cathode of battery-powered circuit is connected with the negative pole GND of lock core control circuit board;

The interim feed circuit of battery of mobile phone comprise be installed on outer panels 70 outsides or door external side certain position universal mobile phone battery socket 77 and be connected in the positive pole of universal mobile phone battery socket 77 and the power supply signal input end DYVCC of power driving control circuit between battery of mobile phone booster circuit, the negative pole of universal mobile phone battery socket 77 is connected with the negative pole GND of lock core control circuit board;

On lock core control circuit board, be also provided with low pressure and detect cue circuit (referring to Figure 16), described low pressure detects the power supply signal input end VCC of cue circuit and is connected with the power supply signal output terminal VCC of power driving control circuit and carries out following functions: when the power supply signal output terminal VCC output voltage that power driving control circuit detected is during lower than setting voltage value, low pressure detection cue circuit sends low pressure alarming signal.

Described battery-powered circuit comprises electric battery BT, and the positive source of electric battery BT is connected with the positive pole of the 21 diode D21, and the negative pole of the 21 diode D21 is connected with the power supply signal input end DYVCC of power driving control circuit;

Described battery of mobile phone booster circuit comprises the chip U3 that boosts, the first inductance L the 1, the 12 diode D12, the 13 resistance R the 13, the 14 resistance R the 14, the 15 resistance R the 15, the 16 resistance R the 16, the 17 resistance R 17, the nonpolar capacitor C 18 of the 5th nonpolar capacitor C the 15, the 16 nonpolar capacitor C the 17, the 18 of nonpolar capacitor C the 16, the 17 of nonpolar capacitor C the 5, the 15, the 3rd polar capacitor E3, the 13 voltage stabilizing diode D13 and the 20 diode D20; The positive pole of universal mobile phone battery socket 77 is connected with the positive pole of the 20 diode D20 through electric connection line, the negative pole of the 20 diode D20 is connected with one end of the 5th nonpolar capacitor C 5, one end of the 15 nonpolar capacitor C 15, one end of the first inductance L 1 simultaneously, and the other end, the anodal of the 12 diode D12 of the first inductance L 1 are connected with 1 pin and 2 pin of the chip U3 that boosts simultaneously; 3 pin and 4 pin of chip U3 of boosting are connected with one end of the 13 resistance R 13; 8 pin of chip U3 of boosting are connected with one end of the 14 resistance R 14, one end of the 15 resistance R 15, one end of the 16 nonpolar capacitor C 16 simultaneously; 7 pin of chip U3 of boosting are connected with one end of the 16 resistance R 16, and 6 pin of the chip U3 that boosts are connected with one end of the 17 nonpolar capacitor C 17, the negative pole of the 13 voltage stabilizing diode D13, the other end of the 16 resistance R 16, one end of the 17 resistance R 17 simultaneously; The positive pole of the other end of the negative pole of the 12 diode D12, the other end of the 14 resistance R 14, the 17 resistance R 17, one end of the 18 nonpolar capacitor C 18, the 3rd polar capacitor E3 is connected to the output terminal SYVCC that boosts of battery of mobile phone booster circuit simultaneously, and the output terminal SYVCC that boosts of battery of mobile phone booster circuit is connected with the power supply signal input end DYVCC of power driving control circuit through the 22 diode D22; The other end of 5 pin of the other end of the 5th nonpolar capacitor C 5, the other end of the 15 nonpolar capacitor C 15, the other end of the 13 resistance R 13, the chip U3 that boosts, the other end of the 16 nonpolar capacitor C 16, the 15 resistance R 15, the other end of the 17 nonpolar capacitor C 17, the positive pole of the 13 voltage stabilizing diode D13, the other end of the 18 nonpolar capacitor C 18, the negative pole of the 3rd polar capacitor E3 meet the negative pole GND of lock core control circuit board simultaneously;

Described key control circuit board (referring to Figure 21) also comprises the 01 polar capacitor E01, the 01 resistance R 01, the 3rd crystal oscillator XTAL3, the 01 capacitor C the 01 and the 02 capacitor C 02, the 01 polar capacitor E01 and the 01 resistance R 01 form the RST pin reset circuit of key control chip FU3, and the 3rd crystal oscillator XTAL3, the 01 capacitor C the 01, the 02 capacitor C 02 forms oscillating circuit to key control chip FU3, provides clock signal;

Described two-way communication coded lock also comprises for the solar panel to battery-powered circuit charging, on described lock core control circuit board, be also provided with the solar charging circuit (referring to Figure 15) being connected between solar panel and battery-powered circuit, described solar charging circuit comprises the 23 diode D23 and the 24 voltage stabilizing diode D24, the positive pole of the 23 diode D23, the negative pole of the 24 voltage stabilizing diode D24 is connected with the positive pole of solar panel simultaneously, the negative pole of the 23 diode D23 is connected with the positive pole of the 21 diode D21, the negative pole of solar panel, the positive pole of the 24 voltage stabilizing diode D24 meets the negative pole GND of lock core control circuit board simultaneously.

Described power-supply circuit also comprises mains-supplied circuit (referring to Figure 13), described mains-supplied circuit comprises direct current mains power sockets N1, the first fuse F1, quadripolarity electric capacity E4, the 8th nonpolar capacitor C 8, voltage stabilizing triode 78M05, the 19 nonpolar capacitor C the 19 and the 19 diode D19, 220V mains supply is connected with direct current mains power sockets N1 after transformer pressure-reducing rectification, the positive pole of direct current mains power sockets N1 is connected with one end of the first fuse F1, the other end of the first fuse F1 connects the positive pole of quadripolarity electric capacity E4 simultaneously, input end 1 pin of one end of the 8th nonpolar capacitor C 8 and voltage stabilizing triode 78M05, output terminal 2 pin of voltage stabilizing triode 78M05 connect one end of the 19 nonpolar capacitor C 19 simultaneously, the positive pole of the 19 diode D19, the negative pole of direct current mains power sockets N1, the negative pole of quadripolarity electric capacity E4, the other end of the 8th nonpolar capacitor C 8, 2 pin of voltage stabilizing triode 78M05 and the other end of the 19 nonpolar capacitor C 19 meet the negative pole GND of lock core control circuit board simultaneously, the negative pole of the 19 diode D19 is connected with the power supply signal input end DYVCC of power driving control circuit.

Described two-way communication coded lock also comprises the alarming horn SPK for being installed on the external side of door and the alarm set of unblanking, and is also provided with the warning driving circuit (referring to Figure 17) being connected between lock core control chip FU1 and alarming horn SPK and the alert circuit of unblanking that is connected in lock core control chip FU1 and unblanks between alarm set on described lock core control circuit board; The unblanking of the described lock core control chip FU1 detection port P3.5 that puts in place is connected with the trigger switch K2 that puts in place of unblanking that is located at stop in locking bolt mounting shell 20 bodies and moves spacing flip flop equipment 52; When just going to, motor 23 drive stop 41 while arriving stop unlocked position, trigger the trigger switch K2 output signal that puts in place of unblanking that puts in place of unblanking that stop moves spacing flip flop equipment 52, when the detection port P3.5 that puts in place of unblanking of lock core control chip FU1 detects signal when input of unblanking to put in place, lock core control chip FU1 controls the alert circuit of unblanking and sends the alerting signal of unblanking; When lock core control chip FU1 is realizing in password transmission, verifying work with key control chip FU3, while detecting password mistake, lock core control chip FU1 controls warning driving circuit and sends alerting signal.

The described alert circuit of unblanking consists of the drive circuit of indicator of unblanking (referring to Figure 19) and/or the prompt tone driving circuit (referring to Figure 18) of unblanking; Unblank pilot lamp LED-110 and/or the hummer Y1-109 that unblanks by being arranged on outer panels 70 or the external side of door that the described alarm set of unblanking is corresponding form;

The described indicator light circuit of unblanking comprises the first triode Q1, the second resistance R 2, the first diode D1 and the first resistance R 1, the pilot lamp signal output port P1.0 that unblanks of lock core control chip FU1 is connected with the base stage of the first triode Q1 through the second resistance R 2, the emitter of the first triode Q1 is connected with the power supply signal output terminal VCC of power driving control circuit, the collector of the first triode Q1 is connected with one end of the first resistance R 1 through the first diode D1, and the other end of the first resistance R 1 is connected with one end of the pilot lamp LED-110 that unblanks; The negative pole GND of another termination lock core control circuit board of pilot lamp LED-110 unblanks;

The described prompt tone driving circuit of unblanking comprises the 4th resistance R 4 and the 5th triode Q5, the prompt tone signal output port P1.6 that unblanks of lock core control chip FU1 is connected with the base stage of the 5th triode Q5 through the 4th resistance R 4, the collector of the 5th triode Q5 is connected with the negative pole GND of lock core control circuit board, the emitter of the 5th triode Q5 is connected with one end of the hummer Y1-109 that unblanks, and the other end of the hummer Y1-109 that unblanks is connected with the power supply signal output terminal VCC of power driving control circuit.

Described lock core assembly also comprises the standby lock core shell B96 that is installed on outer panels 70 or door external side another location, and described lock core control circuit board also comprises standby power supply Drive and Control Circuit (referring to Figure 12), standby lock core control chip operating circuit (referring to Fig. 8) and spare motor driving circuit (referring to Figure 10); The power supply signal input end DYVCC of standby power supply Drive and Control Circuit is connected with power-supply circuit, and the power supply signal output terminal BVCC of standby power supply Drive and Control Circuit is used for being respectively connected power supply with standby lock core control chip operating circuit, spare motor driving circuit and key control circuit board; The on/off of standby power supply drive control circuit power-supply circuit and other each circuit; Spare motor driving circuit is connected with standby lock core control chip operating circuit, thereby control is carried out in the instruction of sending according to standby lock core control chip operating circuit, lock bolt components is realized release or shut action;

In described standby lock core shell, be provided with the standby key jack 81 for inserting key plug 105, the duct inwall of standby key jack 81 is provided with is convenient to insert the standby groove B108 that the key plug 105 putting in place in standby key jack 81 rotates to carry out release or shuts action, and the cell wall place of standby groove B108 is provided with following two mutual isolation and is inserted in standby lock core shell and the standby lock core contact of activity that can move relative to standby key jack 81 radial expansions respectively: standby power supply conducting contact B100 and standby negative pole conducting contact B99; The external end head of standby power supply conducting contact B100 is connected with the standby power supply conducting making leaf spring B86 that is used for it to apply inside pressure on top surface, and standby power supply conducting making leaf spring B86 is connected with the standby power supply Continuity signal incoming end BJDQ of standby power supply Drive and Control Circuit through electric connection line; The external end head of standby negative pole conducting contact B99 is connected with the standby negative pole conducting making leaf spring B83 that is used for it to apply inside pressure on top surface, and standby negative pole conducting making leaf spring B83 is connected with the negative pole GND of lock core control circuit board through electric connection line;

The bottom, hole of standby key jack 81 be provided with following two mutually isolation be inserted in standby lock core shell and can distinguish relative standby key jack 81 with parallel shafts to the standby lock core contact of activity of direction telescopic moving: standby power supply connects contact B97 and spare communication contact B98; The external end head that standby power supply connects contact B97 is connected making leaf spring B85 connection with the standby power supply that is used for it to apply inside pressure on top surface, standby power supply connects making leaf spring B85 and is connected with the standby power supply signal output part BVCC of standby power supply Drive and Control Circuit through electric connection line; The external end head of spare communication contact B98 is connected with the spare communication making leaf spring B84 that is used for it to apply inside pressure on top surface, and spare communication making leaf spring B84 is connected with the standby lock core data communication port BTRXD of standby lock core control chip operating circuit through electric connection line;

In key plug 105 inserts standby key jack 81 and while being rotated in place, the position at standby power supply conducting contact B100 and the inner termination place of standby negative pole conducting contact B99 just in time can be protruded contact 104 with the key on key plug 105 and is connected simultaneously; Described standby power supply connect contact B97 and spare communication contact B98 inner termination place position just in time can with the key plug 105 being rotated in place on the positive contact 101 of key power supply and key communication contact 102 be connected respectively; And now can make the circuit turn-on of standby power supply Drive and Control Circuit, by the power supply signal output terminal BVCC out-put supply signal of standby power supply Drive and Control Circuit, give standby lock core control chip operating circuit and key control circuit board;

In described standby lock core control chip operating circuit, be provided with and can coordinate with the key control chip FU3 of key control circuit board the standby lock core control chip FU2 that realizes following functions: when key plug 105 inserts standby key jack 81 and is rotated in place, standby lock core control chip operating circuit and key control circuit board are obtained when electric by standby power supply Drive and Control Circuit, standby lock core control chip FU2 sets up two-way communication with key control chip FU3 by standby lock core data communication port BTRXD and key data communication port TRXD and is connected, the control program of key control chip FU3 and standby lock core control chip FU2 is realized password transmission, verifying work, when cryptographic core is to after correct, the control program output of standby lock core control chip FU2 is used for driving spare motor driving circuit lock bolt components to be carried out to the unlock command of release action, when password mistake, standby lock core control chip FU2 does not export unlock command.

In described lock core control chip FU1 and standby lock core control chip FU2, establish synchronous password update routine, described door body inner side is also provided with the Modify password control knob K1-21 for setting up password update routine, one end of described Modify password control knob K1-21 is connected with the power turn-on signal incoming end JDQ of power driving circuit, the other end of Modify password control knob K1-21 is divided into three branch roads, Article 1, branch road is connected with the standby power supply Continuity signal incoming end BJDQ of standby power supply driving circuit, Article 2 branch road is connected with user's Modify password push button signalling input port P3.2 of lock core control chip FU1 through the 3rd diode D3, Article 3 branch road is connected with user's Modify password push button signalling input port B P3.2 of standby lock core control chip FU2 through the 4th diode D4, only have the Modify password control knob K1 of working as to be triggered, key plug 105 inserts in key hole 107 and is rotated in place simultaneously, make lock core control chip FU1 and key control chip FU3 be connected transfer check cryptographic core when correct by two-way communication, user's Modify password push button signalling input port B P3.2 of user's Modify password push button signalling input port P3.2 of lock core control chip FU1 and standby lock core control chip FU2 could detect the signal that Modify password control knob K1-21 is triggered simultaneously, and then setting up password update routine generates new password and is transferred to key control chip FU3, complete password modification.

Described lock body comprises being used for fixing and is arranged on the outer panels 70 of the external side of door and is used for fixing the locking bolt mounting shell 20 being arranged in Men Titi, outer handle 71 is located at outer panels 70 outsides and is rotated to install with outer panels 70 and is connected, outer handle spring 71A is installed on outer panels 70 inner sides, and outer driving claw 9, locking bolt, stop 41, motor 23 and stop transmission component are all installed in locking bolt mounting shell 20;

Described locking bolt comprises the half control locking bolt 1 with skew bolt shape bolt tongue, on the stud shaft of half control locking bolt 1, along the moving direction of half control locking bolt 1, be provided with fixing guide shaft sheet 3 and movable guide shaft sheet 4, fixing guide shaft sheet 3 is close to the more movable guide shaft sheet 4 of distance of the bolt tongue of half control locking bolt 1, and fixing guide shaft sheet 3 both movable sleeve is placed on the stud shaft of half control locking bolt 1, be fixedly connected with locking bolt mounting shell 20 again, movable guide shaft sheet 4 movable sleeves are placed on the stud shaft of half control locking bolt 1, between movable guide shaft sheet 4 and the tail end of half control locking bolt 1, be connected with movable guide shaft flat spring 5, between the bolt tongue of half control locking bolt 1 and locking bolt mounting shell 20 or fixing guide shaft sheet 3, be connected with half control locking bolt retracing spring 2, between described fixing guide shaft sheet 3 and movable guide shaft sheet 4, be provided with for promotion activity guide shaft sheet 4 to the outer sliding piece 7 moving away from the direction of bolt tongue, the other end of described outer sliding piece 7 is provided with the sleeve for being socketed on outer driving claw rotating shaft 9D periphery, outer driving claw rotating shaft 9D periphery wall is provided with the outer driving claw flange 9C radially outward protruding, the sleeve lining of outer sliding piece 7 is provided with the scalloped recess corresponding with outer driving claw flange 9C, and the groove width of the scalloped recess of outer sliding piece 7 is greater than the width of outer driving claw flange 9C.

Described lock body also comprises and is used for fixing a wainscot 75 that is installed on body inner side, described drive unit also comprise be located at wainscot 75 inner sides and rotate with wainscot 75 the interior handle 74 that is connected is installed, is installed between wainscot 75 and interior handle 74 and is used for driving interior handle 74 to rotate the interior handle spring 74A that resets, be installed on locking bolt mounting shell 20 interior and with interior handle 74 by the interior driving claw 46 of interior handle rotating shaft 73 coaxial linkages, interior driving claw 46 is connected with outer driving claw 9 coaxial rotation; Between fixing guide shaft sheet 3 and movable guide shaft sheet 4, be also provided with the promotion activity that the is used for guide shaft sheet 4 that is positioned at outer sliding piece 7 inner sides to the sliding piece 44 moving away from the direction of bolt tongue, the other end of described interior sliding piece 44 is provided with the sleeve for being socketed on interior driving claw rotating shaft 46D periphery, interior driving claw rotating shaft 46D periphery wall is provided with the flange 46C radially outward protruding, the sleeve lining of interior sliding piece 44 is provided with the scalloped recess corresponding with interior driving claw flange 46C, and the groove width of the scalloped recess of interior sliding piece 44 is greater than the width of interior driving claw flange 46C.

Described stop 41 is positioned at the stud shaft side of half control locking bolt 1 and the bolt tongue one end near half control locking bolt 1, between the stud shaft of described half control locking bolt 1 and stop 41, be also provided with security insurance sheet 6, security insurance sheet tail end 6D is provided with the turn of bilge after the stud shaft tail end that is suspended in half control locking bolt 1, and security insurance sheet head end 6A is provided with the kink of bolt tongue one side that is positioned at close half control locking bolt 1 and is connected with stop 41 by stop back-moving spring 42; Stop 41 sides extensions are fixed with at security insurance sheet 6 opposite sides and the stop reset card 43 between fixing guide shaft sheet 3 and security insurance sheet head end 6A, form and be used for support safety safety plate 6 and limit the safety plate chute that security insurance sheet 6 is moved to security insurance sheet head end 6A to security insurance sheet tail end 6D or by security insurance sheet tail end 6D by security insurance sheet head end 6A between stop reset card 43 and stop 41; The middle part of security insurance sheet 6 is provided with and is positioned at fixing guide shaft sheet 3 rear sides and can when security insurance sheet head end 6A direction moves, be stuck at security insurance sheet 6 the fixing spacing security insurance sheet lower flange 6B of guide shaft sheet 3 rear sides, and the middle part of security insurance sheet 6 is also provided with the security insurance sheet inclined-plane 6C that is positioned at movable guide shaft sheet 4 sides and can when the stud shaft tail end direction of half control locking bolt 1 moves, security insurance sheet 6 be pushed open to side at movable guide shaft sheet 4.

Described locking bolt also comprises is located at half control locking bolt 1 side and moving direction the lock master control locking bolt 66 parallel with half control locking bolt 1, in described locking bolt mounting shell 20, be also provided with the movable guide card 47 of the master control locking bolt that is positioned at the locking bolt screens sheet 16 of outer driving claw 9 and driving claw 46 sides and is located at locking bolt screens sheet 16 leading flanks or trailing flank, the movable guide card 47 of master control locking bolt is fixedly connected with the master control locking bolt 66 that locks, outer driving claw 9 is respectively equipped with two contact 9A that are used for pushing tow locking bolt screens sheet 16 at its different circumferential position, 9B, interior driving claw 46 is at two contact 9A of itself and outer driving claw 9, 9B respectively corresponding position is also provided with two contact 46A that are used for pushing tow locking bolt screens sheet 16, 46B, locking bolt mounting shell 20 is also hinged with master control locking bolt by jointed shaft 11 and moves actuator, the controlled arm 10 that master control locking bolt moves actuator is positioned at two contact 9A of outer driving claw 9, between 9B and two contact 46A of interior driving claw 46, between 46B, master control locking bolt moves the actuating arm 62 of actuator by driving brace 61 to drive the master control locking bolt 66 that locks to move, the actuating arm 62 that master control locking bolt moves actuator is articulated and connected with driving brace 61 by jointed shaft 60, drive brace 61 to be articulated and connected by the movable guide card 47 of auxiliary bolt driving shaft 33 and master control locking bolt, the movable guide card 47 of master control locking bolt is also fixedly connected with locking bolt position blocking pin 15 at it on the side of locking bolt screens sheet 16, on locking bolt screens sheet 16, offer parallel with the moving direction of the master control locking bolt 66 that locks and be placed on the position blocking pin shifting chute 14 outside locking bolt position blocking pin 15, two inside and outside adjacent regions of the upside of position blocking pin shifting chute 14 or downside cell wall are respectively equipped with for respectively locking bolt position blocking pin 15 being fixed on to the master control locking bolt 66 that locks unblank to put in place position and shut the position blocking pin limited impression of the position that puts in place, between locking bolt screens sheet 16 and locking bolt mounting shell 20, being also provided with can only be along the screens sheet guide groove 12 and 17 and the screens sheet guide shaft 13 and 19 that move with the perpendicular direction of the moving direction of the master control locking bolt 66 that locks for limiting locking bolt screens sheet 16, and wherein at least one screens sheet guide shaft 19 is provided with the screens sheet back-moving spring 18 that is reset to initial point for locking bolt screens sheet 16 is moved.

Described stop transmission component comprises bent axle 24, connecting rod 25, hoe shape guide card 32 and stop linking arm 36, one end of bent axle 24 is connected with the rotating shaft of motor 23, the other end of bent axle 24 is articulated and connected by jointed shaft 26 and one end of connecting rod 25, hoe shape guide card 32 is provided with vertical bending part near one end of connecting rod 25, this bending part is provided with the leading of other end sliding connection of connecting rod 25 and pushes away square hole 32A, thereby and the other end of connecting rod 25 be vertically fixed with the connecting rod flange that bending part for promoting hoe shape guide card 32 drives hoe shape guide card 32 to move, in hoe shape guide card 32 bodies, be provided with the hoe shape guide card guide groove 29 for limiting its moving direction, in locking bolt mounting shell 20 bodies, be fixed with the hoe shape guide card guide shaft 30 with 29 sliding connections of hoe shape guide card guide groove, the other end of hoe shape guide card 32 is articulated and connected by jointed shaft 35 and one end of stop linking arm 36, the other end of stop linking arm 36 is articulated and connected by jointed shaft 38 and stop 41, between locking bolt mounting shell 20 and stop 41 by stop guide shaft 37 and 39 and stop guide groove 40 be slidably matched restriction 41 of stops between stop unlocked position and stop locked position of coupler, move, in described locking bolt screens sheet 16 bodies, offer the auxiliary guide groove 16D of the hoe shape guide card parallel with the conduit bearing of trend of hoe shape guide card guide groove 29, be articulated with jointed shaft 35 and the auxiliary guide groove 16D sliding connection of hoe shape guide card between the other end and the stop linking arm 36 of hoe shape guide card 32.

Described locking bolt also comprise be divided into lock master control locking bolt Shang Xia 66 both sides and can along with upper auxiliary bolt 27 and the lower auxiliary bolt 65 of the perpendicular direction telescopic moving of the moving direction of the master control locking bolt 66 that locks, upper auxiliary bolt 27 and lower auxiliary bolt 65 are socketed on auxiliary bolt driving shaft 33 by tilting upper auxiliary bolt impeller-hub guide groove 34, lower auxiliary bolt impeller-hub guide groove 63 respectively; In locking bolt mounting shell 20, be also installed with auxiliary bolt and move spacing guide shaft 28, upper auxiliary bolt 27 is provided with movable sleeve and is placed in the upper auxiliary bolt that auxiliary bolt moves outside spacing guide shaft 28 and moves stopper slot 31, lower auxiliary bolt 65 is provided with the lower auxiliary bolt being placed on outside stop guide shaft 39 and moves stopper slot 64, and it is vertical with the moving direction of the master control locking bolt 66 that locks with the conduit trend that lower auxiliary bolt moves stopper slot 64 that upper auxiliary bolt moves stopper slot 31.

In locking bolt mounting shell 20, be also provided with that stop moves spacing flip flop equipment 52 and locking bolt screens sheet moves limit switch K4-50, stop moves spacing flip flop equipment 52 and is provided with stop release contact 51 and the stop locking contact 54 that puts in place that puts in place, hoe shape guide card 32 is provided with for coordinating the stop activity-triggered contact 53 of triggering with stop release contact 51 and the stop locking contact 54 that puts in place that puts in place, stop release contact 51 and the stop activity-triggered contact 53 that put in place forms the trigger switch K2 that unblanks to put in place, put in place contact 54 and stop activity-triggered contact 53 of stop locking forms the locking trigger switch K3 that puts in place, when hoe shape guide card 32 drives stop 41 to move to stop unlocked position, stop activity-triggered contact 53 and stop release contact 51 closures that put in place, making stop move spacing flip flop equipment 52 sends stop release and puts signal in place to control device of electric motor, control device of electric motor control motor 23 stops forward, when hoe shape guide card 32 drives stop 41 to move to stop locked position of coupler, stop activity-triggered contact 53 and stop locking contact 54 closures that put in place, make stop move spacing flip flop equipment 52 and send stop locking and put signal in place to control device of electric motor, control device of electric motor control motor 23 stops reversion, described locking bolt screens sheet moves limit switch K4-50 and is provided with the fixing contact 49 of triggering of screens sheet, described locking bolt screens sheet 16 is provided with screens sheet activity-triggered contact 48, when outer handle 71 resets and when locking bolt screens sheet 16 resets to initial point under screens sheet back-moving spring 18 effect, screens sheet activity-triggered contact 48 is just in time again closed with the fixing contact 49 of triggering of screens sheet, make locking bolt screens sheet move limit switch K4-50 output handle reset signal to control device of electric motor, control device of electric motor control motor 23 reverses.

In locking bolt mounting shell 20, be also provided with another spare motor 59 and be used for controlling the spare motor control device of spare motor 59 forward or reverse, the rotating shaft of spare motor 59 is connected with one end of standby bent axle 57, the other end of standby bent axle 57 is articulated and connected by jointed shaft 56 and one end of standby connecting rod 55, the bending part of hoe shape guide card 32 is also provided with the leading of other end sliding connection of standby connecting rod 55 and pushes away square hole 32B, and thereby the other end of standby connecting rod 55 is vertically fixed with the standby connecting rod flange that the bending part for promoting hoe shape guide card 32 drives hoe shape guide card 32 to move,

Described spare motor control device is connected with the standby cipher input equipment of electronic password lock and can carries out following functions: according to the password correctness of standby cipher input equipment input, output order control spare motor 59 is just going to drive stop 41 to arrive stop unlocked position or control spare motor 59 and is not turning, when just going to, spare motor 59 drive stop 41 while arriving stop unlocked position, in setting-up time, control spare motor 59 is inverted to and drives stop 41 to get back to stop locked position of coupler.

Principle of work of the present invention is described as follows:

One) key assembly, lock core assembly circuit part principle are described as follows:

In key plug 105 inserts the key hole 107 of the lock core shell that is arranged on outer panels 70 and rotate key plug 105, the key protrusion contact 104 on key plug 105, the positive contact 101 of key power supply, negative pole conducting contact 99 on key communication contact 102 and lock core shell, power turn-on contact 100, power supply power supply connects contact 97, communication contacts 98 is corresponding contact one by one, the negative pole conducting making leaf spring 83 that each contact outer end is corresponding, power turn-on making leaf spring 86, communication making leaf spring 84, power supply connects making leaf spring 85 and is connected with the corresponding power positive cathode of plug-in unit J5 and signal input output end on lock core control circuit board through electric connection line, because the key protrusion contact 104 on key plug 105 is radially outwardly, when when rotating key, key protrusion contact 104 touches negative pole conducting contact 99 with power turn-on contact 100, two contacts are connected conducting, and the at this moment coil of power supply dry-reed relay JK1--loop is through the 17 diode D17, 4 pin of connector J5, electric connection line, power turn-on making leaf spring 86, power turn-on contact 100, key protrudes contact 104, negative pole conducting contact 99, negative pole conducting making leaf spring 83, electric connection line, 1 pin of plug-in unit J5 is connected with the negative pole GND of lock core control circuit board, the negative pole GND of lock core control circuit board is connected with the negative pole GND--of key control circuit board through electric connection line with the rear end of the key plug 105 of disjunctor through key protrusion contact 104 simultaneously, now, power supply dry-reed relay JK1 coil produces magnetic field its adhesive switch X1 adhesive is made to the closing of contact, power supply is by one of above-mentioned three kinds of power supply modes path, all can make power supply DYVCC and VCC connect, power output end VCC gives respectively the lock core control chip operating circuit in lock core control circuit board, all operating circuit power supplies that are connected with VCC such as motor drive circuit, be to the path of key control circuit board power supply: lock core control circuit board VCC is connected with the power supply VCC+ of key control circuit board by key plug 105 inner chambers through electric connection line through 3 pin, electric connection line, power supply connection making leaf spring 85, power supply connection contact 97, the positive contact 101 of key power supply, 101 rear ends, the positive contact of key power supply of plug-in unit J5, gives the power supplies such as key control circuit board chip FU3, the lock core data communication port ZTRXD of lock core control chip FU1 connects and uses lock core contact 98, communication connection by key plug 105 inner chambers, to be connected with the key data communication port TRXD of key control circuit board through electric connection line with key contact 102,102 rear ends, contact through 2 pin, electric connection line, lock core communication stage clip guide card 84, the communication of plug-in unit J5 simultaneously, gives the two-way communication between lock core control chip FU1 and key control chip FU3 ready.

When lock core control chip FU1 and key control chip FU3 obtain Power supply, both sides' control chip internal processes just brings into operation and carries out after initialization:

1, key control chip FU3 according to the step of the program executable operations of burning is: first carry out a series of initialization setting, and the pilot lamp signal output port P1.0 output low level of unblanking is lighted pilot lamp to represent that hardware, software work are normal, then start to receive the N economical given data that lock core control chip FU1 sends, and carry out computing judgement according to the data that receive, if the data that lock core control chip FU1 sends are that requirement unblanks to send password, the program of key control chip FU3 just starts to send password and data by the order of setting.After all code datas are sent, key control chip FU3 is set and enters power-down mode, all functions will quit work, at this moment key control chip FU3 power consumption only has several nA to be similar to 0 power consumption, because lock core control chip FU1 is receiving all passwords and also will carry out sequence of operations such as unblanking, open wait, locking reset when correct, also need the regular hour, design so more power saving.

If being requirements, the data that lock core control chip FU1 sends revise user cipher, key control chip FU3 by first send N byte identifying code data to lock core control chip FU1(lock core control chip FU1 by the identifying code data that the receive judgement of comparing, the correct lock core control chip FU1 user cipher of just can modifying), then key control chip FU3 enters and waits for and receive the new password that N byte that lock core control chip FU1 sends has been revised, when receiving new password, first new password is temporarily stored in to the ram memory cell of appointment, and then the EEPROM that the new password that is temporarily stored in RAM is all write appointment is had a power failure and do not lose storage unit, for making provision against emergencies, the new password writing is read and carried out verification with the new password that is temporarily stored in ram memory cell and compare, if re-starting again, mistake writes (number of rewrites is set 5 times temporarily), if correct, pilot lamp flicker also all sends to lock core control chip FU1 again to carry out verification comparison the new password writing, if verification comparison is correct, lock core pilot lamp also can glimmer, prompt tone drips and rings 2 sound simultaneously, represent lock core, key cipher is successfully modified, at this moment can be to next key user cipher of modifying.

2, lock core control chip FU1 according to the step of the program executable operations of burning is: first carry out a series of initialization setting, initialization time timer, setting program is needed function and zone bit etc. when carrying out each functional module, and the power control signal output port P1.5 output low level of power driving control circuit will be controlled, make to be connected to the first optocoupler GU1 conducting of power control signal output port P1.5, the the first relay J K1 coil X1 that is connected to the first optocoupler GU1 the 5th pin conducting that is also triggered, now the power circuit of the coil X1 of the first relay J K1 is in parallel, be that key protrudes contact 104, negative pole conducting contact 99 is connected the negative pole GND of lock core control circuit board, the first optocoupler GU1 the 4th pin is connected the negative pole GND of lock core control circuit board, the Drive and Control Circuit that will manually switch on power (the first relay J K1) is converted to by lock core control chip FU1 control power driving control circuit (the first relay J K1) and switches on or off as required power supply.After initialization, does first inquiry judging Modify password control knob K1-21 press and requires Modify password? if Modify password control knob K1-21 does not press: first lock core control chip FU1 sends N economical given data and require to send unlocking cipher to key control chip FU3, after being sent, lock core program just starts to receive password and data by the order of setting, first receive the N byte user Modify password (the design only arranges 256 200 powers) that key control chip FU3 sends, (the design only arranges 256 7300 powers to receive the globally unique password being arranged by producer again, can increase arbitrarily if needed, infinitely-great), in receiving course, often receive a byte password, all taking-up is stored in to the password of specifying in ROM region and carries out verification comparison, if mistake, send information requirements key control chip FU3 and retransmit password (the design can require key controlled coremaking sheet FU3 repeating transmission password number of times to be set as 5 times), when password mistake exceedes 5 times, to control alarm signal output ends mouth P1.7 output low level, the base stage conducting that is connected to warning driving circuit the 3rd triode Q3 of alarm signal output ends mouth P1.7 starts reports to the police, and arrange the first relay J K1 shut-in time of control is extended to 6 minutes (can arbitrarily set time expand), then program enters endless loop, no longer accept during this period any operational motion, if correct, change address pointer, one by one all passwords of setting are received, after receiving, in order to increase password, have more complicacy, also can send again N byte multiplication and division number and read by the address pointer parameter of multiplication and division number to key, the program that is sent rear lock core control chip FU1 enters waits for that receiving key control chip FU3 beams back the result data of addition subtraction multiplication and division computing, when receiving the result data of the computing that key control chip FU3 beams back, to receive pin mode, carry out verification comparison equally, when all code datas receive and are correct, start to export unlock instruction, the forward signal output port P1.1 output high level of motor MG1-23 will be controlled, reverse signal output port P1.2 output low level, control the enabling signal output port P1.3 output high level of motor MG1-23, start to record motor MG1-23 rotation time simultaneously, arrange and automatically close the motor time (when stop moves spacing flip flop equipment 52 and damages, within the time, can automatically close motor MG1-23 and stop release stand-by period to making stop 41 reset to blocking automatic actuating motor MG1-23 reversion), make to be connected to port forward signal output port P1.1, reverse signal output port P1.2, the controlled signal of motor drive chip U1 the conducting of enabling signal output port P1.3, motor MG1-23 starts turn, motor MG1-23 rotate time through bent axle 24, connecting rod 25 will rotatablely move and change into to-and-fro movement, promote hoe shape guide card 32, hoe shape guide card 32 is at hoe shape guide card guide shaft 30, hoe shape guide card guide groove 29, under the guiding of guide groove 16D, promoting stop linking arm 36 pushes stop 41 open, when stop 41 is open while putting state in place completely, when the stop activity-triggered contact 53 that is fixed on hoe shape guide card 32 heads touches stop release that stop moves spacing flip flop equipment 52 and puts contact 51 in place, stop moves the trigger switch K2 output signal that puts in place of unblanking that puts in place of unblanking of spacing flip flop equipment 52, the unblanking of the lock core control chip FU1 detection port P3.5 that puts in place detects while putting signal in place, control the enabling signal output port P1.3 output low level of motor MG1-23, motor MG1-23 stops operating, and stop recording rotation time, the unlatching stand-by period is set, and (the design can be 5 seconds, if handle 71 outside not rotating in 5 seconds, to automatically perform locking, motor MG1-23 reversion resets stop 41), the control pilot lamp signal output port P1.0 output low and high level of unblanking, the base stage conducting that is connected to the first triode Q1 of the drive circuit of indicator of unblanking of the pilot lamp signal output port P1.0 that unblanks starts pilot lamp flicker, the control prompt tone signal output port P1.6 output low level of unblanking, the base stage conducting that is connected to prompt tone driving circuit the 5th triode Q5 that unblanks of the prompt tone signal output port P1.6 that unblanks starts Tip Sound and drips, expression stop 41 is opened completely, outer driving claw 9 is changed into rotatable state by locking-in state, now, when pressing the outer handle 71 being arranged on outdoors and rotating, outside outer handle rotating shaft 72 through connecting drives, driving claw 9 rotates, when outer driving claw 9 rotates, first the contact 9B of outer driving claw oppresses locking bolt screens sheet 16 and moves down, at this moment, locking bolt position blocking pin 15 departs from position blocking pin shifting chute 14, the master control locking bolt 66 that locks being connected with locking bolt position blocking pin 15 belongs to free state, when being rotated further, the contact 9B of outer driving claw 9 touches the controlled arm 10 that compressing master control locking bolt moves actuator also to start to rotate, the controlled arm 10 that master control locking bolt moves actuator drives master control locking bolt to move the actuating arm 62 of actuator, drive the brace 61 master control locking bolt 66 that can will lock to transfer the direction of unblanking to and move, the auxiliary bolt driving shaft 33 that is simultaneously fixed on master control locking bolt 66 front ends that lock drives upper auxiliary bolt 27, lower auxiliary bolt 65 moves to interior contraction toward the direction of unblanking, in addition, when driving claw 9 rotates outside, the outer sliding piece 7 overlapping on the 9D of driving claw rotating shaft outside and then rotates, and transfers movable guide shaft sheet 4 to the direction of unblanking, movable guide shaft sheet 4 drives half control locking bolt 1 inwardly to shrink, and the now whole unlatchings of all locking bolts can have been opened antitheft door.

When lock has been opened while unclamping outer handle 71, outside under the effect of handle spring 71A, first outer handle 71 resets to origin position, locking bolt screens sheet 16 also turns back to initial point under the effect of screens sheet back-moving spring 18, at this moment triggering contact 48 closures are fixed with the screens sheet that locking bolt screens sheet moves limit switch K4-50 in screens sheet activity-triggered contact 49, locking bolt screens sheet moves limit switch K4-50 output handle reset signal, handle rotating/reset signal input port P3.7 of lock core control chip FU1 detects while putting signal in place, the forward signal output port P1.1 output low level of motor MG1-23 will be controlled, reverse signal output port P1.2 exports high level, control the enabling signal output port P1.3 output high level of motor MG1-23, the time of recording when permission startup is set according to motor MG1-23 forward is simultaneously closed motor MG1-23 automatically, (when stop moves the switch damage of spacing flip flop equipment 52, can automatically close motor MG1-23) makes to be connected to forward signal output port P1.1, reverse signal output port P1.2, the controlled signal of motor drive chip U1 the conducting of enabling signal output port P1.3, motor MG1-23 starts reverse turn, motor MG1-23 first resets to origin-location by connecting rod 25 through bent axle 24 while rotating, hoe shape guide card 32, stop linking arm 36, stop 41 turns back to origin-location under the effect of stop back-moving spring 42, at this moment, when stop activity-triggered contact 53 touches stop locking that stop moves spacing flip flop equipment 52 and puts contact 54 in place, the locking that stop the moves spacing flip flop equipment 52 trigger switch K3 output locking signal that puts in place that puts in place, the locking of the lock core control chip FU1 signal input port P3.6 that puts in place detects while putting signal in place, control the enabling signal output port P1.3 output low level of motor MG1-23, motor MG1-23 stops operating, unlock operation finishes, the power control signal output port P1.5 output high level of lock core control chip FU1, powered-down relay J K1, execution unlock operation finishes.

Two) lock bolt components open locking principle of work is described as follows:

During locking, half control locking bolt 1 automatic spring locking bolt mounting shell 20 under the effect of half control locking bolt retracing spring 2 is outer by door lock, in the time need to locking: as lock outdoors can by be arranged on outer handle 71 outdoors up direction pull, the outer handle rotating shaft 72 of rotating of synchronizeing with outer handle 71 is connected with outer driving claw axis hole 8, drive outer driving claw 9 to rotate, when outer driving claw 9 rotates, first the contact 9A of outer driving claw oppresses locking bolt screens sheet 16, locking bolt screens sheet 16 is at screens sheet guide shaft 13 and 19, under the guiding of screens sheet guide groove 12 and 17, move down, at this moment, locking bolt position blocking pin 15 departs from locking bolt position blocking pin shifting chute 14, the master control locking bolt 66 that locks being connected with locking bolt position blocking pin 15 belongs to free state, when being rotated further, the contact 9A of outer driving claw touches the controlled arm 10 that compressing master control locking bolt moves actuator also to start to rotate, the controlled arm 10 that master control locking bolt moves actuator drives master control locking bolt to move the actuating arm 62 of actuator, drive the brace 61 master control locking bolt 66 that can will lock to transfer locking direction to and outwards move, the auxiliary bolt driving shaft 33 that is simultaneously fixed on master control locking bolt 66 front ends that lock drives upper auxiliary bolt 27 and lower auxiliary bolt 65, upper auxiliary bolt 27 and lower auxiliary bolt 65 move spacing guide shaft 28 through upper auxiliary bolt, stop guide shaft 39, upper auxiliary bolt moves stopper slot 31, lower auxiliary bolt moves stopper slot 64 guiding and toward locking direction, moves outward and open simultaneously, at this moment master control locking bolt 66 locks, upper auxiliary bolt 27 and lower auxiliary bolt 65 lock to 3 different directions respectively simultaneously, as in door, lock can by be arranged on interior handle 74 in door up direction pull, through interior handle rotating shaft 73, be connected with the axis hole 45 of interior driving claw, in driving, driving claw 46 rotates, in when interior driving claw 46 rotates, first the contact 46A of driving claw oppresses locking bolt screens sheet 16, locking bolt screens sheet 16 moves down under the guiding of screens sheet guide shaft 13 and 19, screens sheet guide groove 12 and 17, next principle of work and action with above-mentioned lock outdoors the same.

While unblanking, by cipher input equipment, under the control of control device of electric motor, can realize unlock operation, when password is correct, output unlock instruction control motor 23 starts turn, when motor 23 rotates through bent axle 24, connecting rod 25 will rotatablely move and change into to-and-fro movement, promote hoe shape guide card 32, hoe shape guide card 32 is at hoe shape guide card guide shaft 30, under the guiding of hoe shape guide card guide groove 29, promote stop linking arm 36, stop 41 is pushed open, when being open completely, stop 41 (arrives stop unlocked position while putting state in place, now, when stop activity-triggered contact 53 touches stop release that stop moves spacing flip flop equipment 52 and puts contact 51 in place, stop moves the spacing flip flop equipment 52 trigger switch K2 output release signal that puts in place of unblanking to put in place, motor 23 stops forward, open Tip Sound one sound and represent that stop 41 is opened, (and be set the unlatching stand-by period, for example be designed to 5 seconds, if handle 71 outside not rotating in 5 seconds, motor 23 will automatically perform lock operation, motor 23 reverses, stop 41 lockings are resetted), in the time of can pressing the outer handle 71 being arranged on outdoors and rotate, through outer handle rotating shaft 72, connecting driving claw 9 outside drive rotates, when outer driving claw 9 rotates, first the contact 9B of outer driving claw oppresses locking bolt screens sheet 16, locking bolt screens sheet 16 is at screens sheet guide shaft 13 and 19, under the guiding of screens sheet guide groove 12 and 17, move down, at this moment, locking bolt position blocking pin 15 departs from position blocking pin shifting chute 14, the master control locking bolt 66 that locks being connected with locking bolt position blocking pin 15 belongs to free state, when being rotated further, the contact 9B of outer driving claw touches the controlled arm 10 that compressing master control locking bolt moves actuator also to start to rotate, the controlled arm 10 that master control locking bolt moves actuator drives master control locking bolt to move the actuating arm 62 of actuator, drive the brace 61 master control locking bolt 66 that can will lock to transfer the direction of unblanking to and move inward, the auxiliary bolt driving shaft 33 that is simultaneously fixed on master control locking bolt 66 front ends that lock drives upper auxiliary bolt 27 and lower auxiliary bolt 65, upper auxiliary bolt 27 and lower auxiliary bolt 65 move spacing guide shaft 28 through upper auxiliary bolt, stop guide shaft 39, upper auxiliary bolt moves stopper slot 31, upper auxiliary bolt impeller-hub guide groove 34, lower auxiliary bolt impeller-hub guide groove 63, lower auxiliary bolt moves stopper slot 64 guiding and toward the direction of unblanking, moves to interior contraction simultaneously, at this moment master control locking bolt 66 locks, upper auxiliary bolt 27 and lower auxiliary bolt 65 are unblanked to 3 different directions respectively simultaneously, in addition, when driving claw 9 rotates outside, the outer moving plate 7 of dialling overlapping on the 9D of driving claw rotating shaft outside and then rotates, transfer movable guide shaft sheet 4 to the direction of unblanking, movable guide shaft sheet 4 drives half control locking bolt 1 inwardly to shrink and unblank, and movable guide shaft flat spring 5 is for regulating lock master control locking bolt 66 and half control locking bolt 1 synchronously to open.

When lock has been opened while unclamping outer handle 71, outside under the effect of handle spring 71A, first outer handle 71 resets to origin position, locking bolt screens sheet 16 also turns back to initial point under the effect of screens sheet back-moving spring 18, at this moment triggering contact 48 closures are fixed with the screens sheet that locking bolt screens sheet moves limit switch K4-50 in screens sheet activity-triggered contact 49, locking bolt screens sheet moves limit switch K4-50 output handle reset signal to control device of electric motor, motor 23 starts reversion, when rotating, motor 23 first connecting rod 25 is reset to origin-location through bent axle 24, hoe shape guide card 32, stop linking arm 36, stop 41 turns back to origin-location under the effect of stop back-moving spring 42, at this moment, when stop activity-triggered contact 53 touches stop locking that stop moves spacing flip flop equipment 52 and puts contact 54 in place, the locking that stop the moves spacing flip flop equipment 52 trigger switch K3 output locking that puts in place puts signal in place to control device of electric motor, motor 23 stops operating, unlock operation finishes.

The effect of security insurance sheet 6 is: when contingency breaks down and under the buttoned-up state of door, stop 41 must be reset to initial point stuck outer driving claw 9.Security insurance sheet 6 principle of work are as follows: while unblanking, when stop 41 is open, the stop reset card 43 that is fixed on stop 41 is driven the security insurance sheet head end 6A point of security insurance sheet 6 through safety plate chute, security insurance sheet lower flange 6B point is stuck on fixing guide shaft sheet 3, for stop 41 safety resets ready, when opening the door by lower outside handle 71, overlap the 9D of driving claw rotating shaft outside, when the outer sliding piece 7 on outer driving claw flange 9C and then rotates, transferring movable guide shaft sheet 4 to the direction of unblanking moves, first movable guide shaft sheet 4 touches the bending part 6C point of security insurance sheet 6, security insurance sheet 6 is backed down, at this moment, movable guide shaft sheet 4 drives half control locking bolt 1 when inwardly shrinking, the stud shaft tail end 1A of half control locking bolt 1 just touches less than security insurance sheet tail end 6D, it is unaffected that stop 41 is held open state, when when closing, half control locking bolt 1 touches doorframe or locking bolt slot outer, half control locking bolt 1 is extruded again and inwardly shrinks, while this time shrinking, the stud shaft tail end 1A of half control locking bolt 1 touches security insurance sheet tail end 6D, drive security insurance sheet 6 to move inward, security insurance sheet head end 6A point drives stop reset card 43 that stop 41 is reset to former dotted state (stop locked position of coupler), and by stuck the direction of unblanking of outer driving claw 9.

Three) principle of work of standby lock core shell part is referring to the principle of work of lock core shell part.

Cipher input equipment of the present invention can be to set up by socket connection lock core assembly and the key assembly of two-way communication password transmission checking work, also can be keyboard or knob or the identification card etc. for directly inputting password, can also be remote control equipment or other various equipment of inputting password.

Lock body of the present invention can only form (as the password chamber door body that only need to open from the outside) by outer panels 70 and locking bolt mounting shell 20 as required, and outer panels 70 and locking bolt mounting shell 20 can be made of one or Split type structure; Also can be comprised of outer panels 70, locking bolt mounting shell 20 and wainscot 75 (as the house door body that not only can open outdoors but also can open in door), outer panels 70, locking bolt mounting shell 20, wainscot 75 can be made of one or Split type structure.

Key protrudes contact 104 can entirety be made by conductive material with key plug 105, or only key protrusion contact 104 entirety are made by conductive material.

Lock core shell can be comprised of with the lock core metal front stall 96A being made by metal material that is embedded in lock core insulator foot 96 front ends nonmetallic lock core insulator foot 96 as shown in Fig. 2-Fig. 4, also lock core insulator foot 96 and lock core metal front stall 96A can be made of one, as standby lock core shell B96.

Contact between lock core assembly and key assembly coordinates formation radio communication or contact to connect telecommunication circuit.Embodiment provided by the invention preferably adopts contact connected mode.

The password transmission communications portion of cipher input equipment of the present invention also can be used wireless remote control mode to transmit password, but through test, find that there is following drawback: 1, emitting head when password transmission, Receiver and transmission, during reception, all need power consumption, and also may not be certain in use convenient, reason: unblank if employing directly clicks remote controller key, at this moment lock core control chip operating circuit must be holding state, long-term standby power consumption is inestimable especially, as adopt the interim lock core control chip operating circuit that starts while unblanking, will set up like this starting switch, before unblanking, first by starting switch, lock core control chip operating circuit is started, and then unblank by remote controller key, operation increases a lot of troubles like this, and economize on electricity is the one of primary of design concerning powered battery device, therefore inapplicable, 2, increase control circuit complicacy, and cost is high, 3, key needs setting battery, increases the volume of key, 4, confidentiality is poor, and signal is easily intercepted.To sum up consider that the present invention directly adopts contact single line connected mode to carry out two-way communication, power consumption hardly during password transmission, and there is the advantages such as key need not arrange battery and key volume is little.

Claims

1. a two-way communication coded lock, it comprises lock body, lock bolt components, lock core assembly and key assembly, and lock bolt components and lock core assembly are installed on lock body, and lock bolt components is realized release or is shut action by key assembly and the control of lock core assembly; Described key assembly comprises key plug (105), be connected in the key handle (106) of key plug (105) rear end and be arranged at the key control circuit board of key handle (106) inner chamber;

Described lock core assembly comprises the lock core shell and the lock core control circuit board that are installed in lock body, and lock core control circuit board comprises power-supply circuit, power driving control circuit, lock core control chip operating circuit and motor drive circuit; The power supply signal input end (DYVCC) of power driving control circuit is connected with power-supply circuit, and the power supply signal output terminal (VCC) of power driving control circuit is used for being respectively connected power supply with lock core control chip operating circuit, motor drive circuit and key control circuit board; The on/off of power driving control circuit control power-supply circuit and other each circuit; Motor drive circuit is connected with lock core control chip operating circuit, thereby control is carried out in the instruction of sending according to lock core control chip operating circuit, lock bolt components is realized release or shut action;

It is characterized in that:

1. described key plug (105) front end is provided with insulating end (103), insulating end (103) middle part is provided with the positive contact of key power supply (101) and the key communication contact (102) by conductive material, being made and mutually isolated, rear end, the positive contact of key power supply (101) is connected with the power supply signal input end (VCC) of key control circuit board through key plug (105) inner chamber through electric connection line, key communication contact (102) rear end is connected with the key data communication port (TRXD) of key control circuit board through key plug (105) inner chamber through electric connection line, the periphery wall of key plug (105) is provided with the key radially outward protruding and protrudes contact (104), and described key protrudes contact (104) to be made by conductive material and is connected with the negative pole (GND--) of key control circuit board,

2. in described lock core shell, be provided with the key hole (107) for inserting key plug (105), the duct inwall of key hole (107) is provided with is convenient to insert the groove (108) that the key plug (105) putting in place in key hole (107) rotates to carry out release or shuts action, and the cell wall place of groove (108) is provided with following two mutual isolation and is inserted in lock core shell and can distinguishes the flexible lock core contact moving relative to key hole (107) radial expansion: power turn-on contact (100) and negative pole conducting contact (99); The external end head of power turn-on contact (100) is connected with the power turn-on making leaf spring (86) that is used for it to apply inside pressure on top surface, and power turn-on making leaf spring (86) is connected with the power turn-on signal incoming end (JDQ) of power driving control circuit through electric connection line; The external end head of negative pole conducting contact (99) is connected with the negative pole conducting making leaf spring (83) that is used for it to apply inside pressure on top surface, and negative pole conducting making leaf spring (83) is connected with the negative pole (GND) of lock core control circuit board through electric connection line;

The bottom, hole of key hole (107) be provided with following two mutually isolation be inserted in lock core shell and can distinguish relative key hole (107) with parallel shafts to the flexible lock core contact of direction telescopic moving: power supply connects contact (97) and communication contacts (98); The external end head that power supply connects contact (97) is connected making leaf spring (85) connection with the power supply that is used for it to apply inside pressure on top surface, power supply making leaf spring (85) is connected with the power supply signal output terminal (VCC) of power driving control circuit through electric connection line; The external end head of communication contacts (98) is connected with the communication making leaf spring (84) that is used for it to apply inside pressure on top surface, and communication making leaf spring (84) is connected with the lock core data communication port (ZTRXD) of lock core control chip operating circuit through electric connection line;

In key plug (105) inserts key hole (107) and while being rotated in place, the position at power turn-on contact (100) and the inner termination place of negative pole conducting contact (99) just in time can be connected with the key protrusion contact (104) of being located on key plug (105) simultaneously, the position that power supply connects the inner termination place of contact (97) and communication contacts (98) just in time can be connected respectively with the positive contact of key power supply (101) and the key communication contact (102) be located on key plug (105), and now can make the circuit turn-on of power driving control circuit, power supply signal output terminal (VCC) out-put supply signal by power driving control circuit is to lock core control chip operating circuit and key control circuit board,

In described lock core control chip operating circuit and key control circuit board, be provided with lock core control chip (FU1) and the key control chip (FU3) that can realize following functions: in key plug (105) inserts key hole (107) and be rotated in place, lock core control chip operating circuit and key control circuit board are obtained when electric by power driving control circuit, lock core control chip (FU1) is set up two-way communication with key control chip (FU3) by lock core data communication port (ZTRXD) and key data communication port (TRXD) and is connected, key control chip (FU3) is realized password transmission with the control program of lock core control chip (FU1), verifying work, when cryptographic core is to after correct, the control program output of lock core control chip (FU1) is used for driving motor driving circuit and lock bolt components is carried out to the unlock command of release action, when password mistake, lock core control chip (FU1) is not exported unlock command.

2. two-way communication coded lock according to claim 1, it is characterized in that: described lock body comprise be used for fixing be arranged on door external side outer panels (70) and be used for fixing the locking bolt mounting shell (20) being arranged in Men Titi, it is upper that described lock core shell is installed on outer panels (70), and described lock core control circuit board and lock bolt components are installed in locking bolt mounting shell (20) body, described outer panels (70) outside is also provided with the outer handle (71) that can rotate relative to outer panels, between outer panels (70) and outer handle (71), be connected with for driving outer handle (71) to rotate the outer handle spring (71A) resetting, described lock bolt components comprises locking bolt, with outer handle (71) by outer handle rotating shaft (72) coaxial linkage and be used for driving locking bolt to carry out the outer driving claw (9) of unblanking or shutting action, be located at the stop (41) of outer driving claw (9) side, the motor (23) being connected with motor drive circuit and be connected in motor (23) and stop (41) between stop transmission component, described stop transmission component can be positioned at stop (41) not limit stop unlocked position that outer driving claw (9) rotates or the stop locked position of coupler of outer driving claw (9) rotation of restriction under the forward or reverse of motor (23) drives,

When described motor drive circuit is received the unlock command of lock core control chip (FU1) output, motor drive circuit can be controlled motor (23) and just go to driving stop (41) arrival stop unlocked position, and when motor (23) is just going to driving stop (41) arrival stop unlocked position, motor drive circuit can be inverted to and drive stop (41) to get back to stop locked position of coupler at setting-up time control motor (23) again; When described motor drive circuit is not received the unlock command of lock core control chip (FU1) output, motor drive circuit not driving motor (23) rotates.

3. two-way communication coded lock according to claim 2, is characterized in that: described power-supply circuit comprises battery-powered circuit and the interim feed circuit of battery of mobile phone;

The positive source of battery-powered circuit is connected with the power supply signal input end (DYVCC) of power driving control circuit through the 21 diode (D21), and the power cathode of battery-powered circuit is connected with the negative pole (GND) of lock core control circuit board;

The interim feed circuit of battery of mobile phone comprise be installed on certain position universal mobile phone battery socket (77) of outer panels (70) outside or the external side of door and be connected in the positive pole of universal mobile phone battery socket (77) and the power supply signal input end (DYVCC) of power driving control circuit between battery of mobile phone booster circuit, the negative pole of universal mobile phone battery socket (77) is connected with the negative pole (GND) of lock core control circuit board;

On lock core control circuit board, be also provided with low pressure and detect cue circuit, described low pressure detects the power supply signal input end (VCC) of cue circuit and is connected with the power supply signal output terminal (VCC) of power driving control circuit and carries out following functions: when power supply signal output terminal (VCC) output voltage that power driving control circuit detected is during lower than setting voltage value, low pressure detection cue circuit sends low pressure alarming signal.

4. two-way communication coded lock according to claim 3, it is characterized in that: described battery-powered circuit comprises electric battery (BT), the positive source of electric battery (BT) is connected with the positive pole of the 21 diode (D21), and the negative pole of the 21 diode (D21) is connected with the power supply signal input end (DYVCC) of power driving control circuit;

Described battery of mobile phone booster circuit comprises the chip that boosts (U3), the first inductance (L1), the 12 diode (D12), the 13 resistance (R13), the 14 resistance (R14), the 15 resistance (R15), the 16 resistance (R16), the 17 resistance (R17), the 5th nonpolar electric capacity (C5), the 15 nonpolar electric capacity (C15), the 16 nonpolar electric capacity (C16), the 17 nonpolar electric capacity (C17), the 18 nonpolar electric capacity (C18), the 3rd polar capacitor (E3), the 13 voltage stabilizing diode (D13) and the 20 diode (D20), the positive pole of universal mobile phone battery socket (77) is connected with the positive pole of the 20 diode (D20) through electric connection line, the negative pole of the 20 diode (D20) is connected with one end of the 5th nonpolar electric capacity (C5), one end of the 15 nonpolar electric capacity (C15), one end of the first inductance (L1) simultaneously, and the other end, the anodal of the 12 diode (D12) of the first inductance (L1) are connected with 1 pin and 2 pin of the chip that boosts (U3) simultaneously, 3 pin and 4 pin of chip (U3) of boosting are connected with one end of the 13 resistance (R13), 8 pin of chip (U3) of boosting are connected with one end of the 14 resistance (R14), one end of the 15 resistance (R15), one end of the 16 nonpolar electric capacity (C16) simultaneously, 7 pin of chip (U3) of boosting are connected with one end of the 16 resistance (R16), and 6 pin of the chip that boosts (U3) are connected with one end of the 17 nonpolar electric capacity (C17), the negative pole of the 13 voltage stabilizing diode (D13), the other end of the 16 resistance (R16), one end of the 17 resistance (R17) simultaneously, the other end of the negative pole of the 12 diode (D12), the other end of the 14 resistance (R14), the 17 resistance (R17), one end of the 18 nonpolar electric capacity (C18), the positive pole of the 3rd polar capacitor (E3) are connected to the output terminal that boosts (SYVCC) of battery of mobile phone booster circuit simultaneously, and the output terminal that boosts (SYVCC) of battery of mobile phone booster circuit is connected with the power supply signal input end (DYVCC) of power driving control circuit through the 22 diode (D22), the other end of the 5th nonpolar electric capacity (C5), the other end of the 15 nonpolar electric capacity (C15), the other end of the 13 resistance (R13), 5 pin of chip (U3) boost, the other end of the 16 nonpolar electric capacity (C16), the other end of the 15 resistance (R15), the other end of the 17 nonpolar electric capacity (C17), the positive pole of the 13 voltage stabilizing diode (D13), the other end of the 18 nonpolar electric capacity (C18), the negative pole of the 3rd polar capacitor (E3) connects the negative pole (GND) of lock core control circuit board simultaneously,

Described power driving control circuit comprises that second from recovering insurance (F2), the first relay (JK1), the 5th polar capacitor (E5), the 21 nonpolar electric capacity (C21), the 16 diode (D16), the 17 diode (D17), the 22 resistance (R22), the 20 nonpolar electric capacity (C20) and the first Darlington optocoupler (GU1); Second is the power supply signal input end (DYVCC) of power driving control circuit from the one end of recovering insurance (F2), and the other end is connected with contact switch one end and coil one end of the first relay (JK1) simultaneously; The contact switch other end of the first relay (JK1) connects the negative pole of the 16 diode (D16), the positive pole of the 5th polar capacitor (E5), one end of the 21 nonpolar electric capacity (C21), the power supply signal output terminal (VCC) of power driving control circuit simultaneously, and the coil other end of the first relay (JK1) connects the positive pole of the positive pole of the 16 diode (D16), the 17 diode (D17), the 5th pin of the first Darlington optocoupler (GU1) simultaneously; The negative pole of the 17 diode (D17) connects the power turn-on signal incoming end (JDQ) of power driving control circuit; The first pin of the first Darlington optocoupler (GU1) connects the 22 one end of resistance (R22) and one end of the 20 nonpolar electric capacity (C20) simultaneously, and the crus secunda of the first Darlington optocoupler (GU1) connects the other end of the 20 nonpolar electric capacity (C20) and the power control signal output port (P1.5) of lock core control chip (FU1) simultaneously; The other end of the 22 resistance (R22) is connected with the power supply signal output terminal (VCC) of power driving control circuit; The 4th pin, the 5th negative pole of polar capacitor (E5) and the other end of the 21 nonpolar electric capacity (C21) of the first Darlington optocoupler (GU1) are all connected with the negative pole (GND) of lock core control circuit board;

Described key control circuit board also comprises the 01 polar capacitor (E01), the 01 resistance (R01), the 3rd crystal oscillator (XTAL3), the 01 electric capacity (C01) and the 02 electric capacity (C02), the RST pin reset circuit of the 01 polar capacitor (E01) and the 01 resistance (R01) composition key control chip (FU3), the 3rd crystal oscillator (XTAL3), the 01 electric capacity (C01), the 02 electric capacity (C02) composition oscillating circuit provide clock signal to key control chip (FU3);

Described lock core control chip operating circuit also comprises the first polar capacitor (E1), the 7th resistance (R7), the first crystal oscillator (XTAL1), the first nonpolar electric capacity (C1) and the second nonpolar electric capacity (C2), the RST pin reset circuit of the first polar capacitor (E1) and the 7th resistance (R7) composition lock core control chip (FU1), crystal oscillator (XTAL1), the first nonpolar electric capacity (C1), the second nonpolar electric capacity (C2) composition oscillating circuit provide clock signal to lock core control chip (FU1); The power control signal output port (P1.5) of lock core control chip (FU1) is connected with the power supply signal output terminal (VCC) of power driving control circuit through the 9th resistance (R9) simultaneously;

Described motor drive circuit comprises motor drive chip (U1), the 3rd nonpolar electric capacity (C3) and the 4th nonpolar electric capacity (C4); The forward control input end IN1 of motor drive chip (U1) is connected with the forward signal output port (P1.1) of lock core control chip (FU1), the reversion control input end IN2 of motor drive chip (U1) is connected with the reverse signal output port (P1.2) of lock core control chip (FU1), and the startup control end EN1 of motor drive chip (U1) is connected with the enabling signal output port (P1.3) of lock core control chip (FU1); The VCC port of motor drive chip (U1) is connected with one end of the 3rd nonpolar electric capacity (C3) and the power supply signal output terminal (VCC) of power driving control circuit simultaneously, and the VC port of motor drive chip (U1) is connected with one end of the 4th nonpolar electric capacity (C4) and the power supply signal output terminal (VCC) of power driving control circuit simultaneously; All GND ports of the other end of the 3rd nonpolar electric capacity (C3), the other end of the 4th nonpolar electric capacity (C4) and motor drive chip (U1) all connect negative pole; The OUT1 output port of motor drive chip (U1) and OUT2 output port respectively with motor MG1(23) two ends be connected;

Described low pressure detects cue circuit and comprises low pressure detection chip (U4), the 18 resistance (R18), the 19 resistance (R19), the 20 resistance (R20), the 21 resistance (R21) and the 6th triode (Q6), one end of the 18 resistance (R18), one end of the 20 resistance (R20), one end of the 21 resistance (R21) is connected with the power supply signal output terminal (VCC) of power driving control circuit simultaneously, one end of the other end of the 18 resistance (R18) and the 19 resistance (R19) is connected with 1 pin of low pressure detection chip (U4) simultaneously, 2 pin of the other end of the 19 resistance (R19) and low pressure detection chip (U4) connect the negative pole of lock core control circuit board simultaneously, 3 pin of low pressure detection chip (U4) are connected with the base stage of the 20 resistance (R20) and the 6th triode (Q6) simultaneously, the other end of the 21 resistance (R21) is connected with the collector of the 6th triode (Q6), the emitter of the 6th triode (Q6) is connected with one end of the low pressure pilot lamp (LED1) that is arranged on lock body outside or lock body carrier outside, the negative pole (GND) of another termination lock core control circuit board of low pressure pilot lamp (LED1).

5. according to the two-way communication coded lock described in claim 3 or 4, it is characterized in that: described two-way communication coded lock also comprises for the solar panel to battery-powered circuit charging, on described lock core control circuit board, be also provided with the solar charging circuit being connected between solar panel and battery-powered circuit, described solar charging circuit comprises the 23 diode (D23) and the 24 voltage stabilizing diode (D24), the positive pole of the 23 diode (D23), the negative pole of the 24 voltage stabilizing diode (D24) is connected with the positive pole of solar panel simultaneously, the negative pole of the 23 diode (D23) is connected with the positive pole of the 21 diode (D21), the negative pole of solar panel, the positive pole of the 24 voltage stabilizing diode (D24) connects the negative pole (GND) of lock core control circuit board simultaneously.

6. according to the two-way communication coded lock described in any one in claim 1-4, it is characterized in that: described power-supply circuit also comprises mains-supplied circuit, described mains-supplied circuit comprises direct current mains power sockets (N1), the first fuse (F1), quadripolarity electric capacity (E4), the 8th nonpolar electric capacity (C8), voltage stabilizing triode (78M05), the 19 nonpolar electric capacity (C19) and the 19 diode (D19), 220V mains supply is connected with direct current mains power sockets (N1) after transformer pressure-reducing rectification, the positive pole of direct current mains power sockets (N1) is connected with one end of the first fuse (F1), the other end of the first fuse (F1) connects the positive pole of quadripolarity electric capacity (E4) simultaneously, input end 1 pin of one end of the 8th nonpolar electric capacity (C8) and voltage stabilizing triode (78M05), output terminal 2 pin of voltage stabilizing triode (78M05) connect one end of the 19 nonpolar electric capacity (C19) simultaneously, the positive pole of the 19 diode (D19), the negative pole of direct current mains power sockets (N1), the negative pole of quadripolarity electric capacity E4, the other end of the 8th nonpolar electric capacity (C8), 2 pin of voltage stabilizing triode (78M05) and the other end of the 19 nonpolar electric capacity (C19) connect the negative pole (GND) of lock core control circuit board simultaneously, the negative pole of the 19 diode (D19) is connected with the power supply signal input end (DYVCC) of power driving control circuit.

7. according to the two-way communication coded lock described in any one in claim 1-4, it is characterized in that: described two-way communication coded lock also comprises alarming horn (SPK) and the alarm set of unblanking for being installed on the external side of door, is also provided with the alert circuit of unblanking that is connected in the warning driving circuit between lock core control chip (FU1) and alarming horn (SPK) and is connected in lock core control chip (FU1) and unblanks between alarm set on described lock core control circuit board; The unblanking of described lock core control chip (FU1) detection port (P3.5) that puts in place is connected with the trigger switch K2 that puts in place of unblanking that is located at stop in locking bolt mounting shell (20) body and moves spacing flip flop equipment (52); When motor (23) is just going to driving stop (41) arrival stop unlocked position, trigger the trigger switch K2 output signal that puts in place of unblanking that puts in place of unblanking that stop moves spacing flip flop equipment (52), when the detection port (P3.5) that puts in place of unblanking of lock core control chip (FU1) detects signal when input of unblanking to put in place, lock core control chip (FU1) is controlled the alert circuit of unblanking and is sent the alerting signal of unblanking; When lock core control chip (FU1) is realizing in password transmission, verifying work with key control chip (FU3), while detecting password mistake, lock core control chip (FU1) is controlled warning driving circuit and is sent alerting signal.

8. two-way communication coded lock according to claim 7, it is characterized in that: described warning driving circuit comprises the 3rd resistance (R3), the 3rd triode (Q3) and the 9th diode (D9), the alarm signal output ends mouth (P1.7) of lock core control chip (FU1) is connected with the base stage of the 3rd triode (Q3) through the 3rd resistance (R3), the emitter of the 3rd triode (Q3) is connected with the power supply signal output terminal (VCC) of power driving control circuit, the collector of the 3rd triode (Q3) is connected with one end of alarming horn (SPK) through the 9th diode (D9), the negative pole (GND) of another termination lock core control circuit board of alarming horn (SPK),

The described alert circuit of unblanking consists of unblank drive circuit of indicator and/or the prompt tone driving circuit of unblanking; The pilot lamp of unblanking (LED-110) and/or the hummer of unblanking (YI-110) by being arranged on outer panels (70) or the external side of door that the described alarm set of unblanking is corresponding form;

The described indicator light circuit of unblanking comprises the first triode (Q1), the second resistance (R2), the first diode (D1), and first resistance (R1), the pilot lamp signal output port (P1.0) of unblanking of lock core control chip (FU1) is connected with the base stage of the first triode (Q1) through the second resistance (R2), the emitter of the first triode (Q1) is connected with the power supply signal output terminal (VCC) of power driving control circuit, the collector of the first triode (Q1) is connected with one end of the first resistance (R1) through the first diode (D1), the other end of the first resistance (R1) is connected with one end of the pilot lamp of unblanking (LED-110), the unblank negative pole (GND) of another termination lock core control circuit board of pilot lamp (LED-110),

The described prompt tone driving circuit of unblanking comprises the 4th resistance (R4) and the 5th triode (Q5), the prompt tone signal output port (P1.6) of unblanking of lock core control chip (FU1) is connected with the base stage of the 5th triode (Q5) through the 4th resistance (R4), the collector of the 5th triode (Q5) is connected with the negative pole (GND) of lock core control circuit board, the emitter of the 5th triode (Q5) is connected with one end of the hummer of unblanking (Y1-109), and the other end of the hummer of unblanking (Y1-109) is connected with the power supply signal output terminal (VCC) of power driving control circuit.

9. according to the two-way communication coded lock described in any one in claim 2-4, it is characterized in that: described lock core assembly also comprises the standby lock core shell (B96) that is installed on outer panels (70) or door external side another location, and described lock core control circuit board also comprises standby power supply Drive and Control Circuit, standby lock core control chip operating circuit and spare motor driving circuit; The power supply signal input end (DYVCC) of standby power supply Drive and Control Circuit is connected with power-supply circuit, and the power supply signal output terminal (BVCC) of standby power supply Drive and Control Circuit is used for being respectively connected power supply with standby lock core control chip operating circuit, spare motor driving circuit and key control circuit board; The on/off of standby power supply drive control circuit power-supply circuit and other each circuit; Spare motor driving circuit is connected with standby lock core control chip operating circuit, thereby control is carried out in the instruction of sending according to standby lock core control chip operating circuit, lock bolt components is realized release or shut action;

In described standby lock core shell, be provided with the standby key jack (81) for inserting key plug (105), the duct inwall of standby key jack (81) is provided with is convenient to insert the standby groove (B108) that the key plug (105) putting in place in standby key jack (81) rotates to carry out release or shuts action, the cell wall place of standby groove (B108) is provided with following two and mutually isolates and be inserted in standby lock core shell, and can distinguish the standby lock core contact of activity moving relative to standby key jack (81) radial expansion: standby power supply conducting contact (B100) and standby negative pole conducting contact (B99), the external end head of standby power supply conducting contact (B100) is connected with the standby power supply conducting making leaf spring (B86) that is used for it to apply inside pressure on top surface, and standby power supply conducting making leaf spring (B86) is connected with the standby power supply Continuity signal incoming end (BJDQ) of standby power supply Drive and Control Circuit through electric connection line, the external end head of standby negative pole conducting contact (B99) is connected with the standby negative pole conducting making leaf spring (B83) that is used for it to apply inside pressure on top surface, and standby negative pole conducting making leaf spring (B83) is connected with the negative pole (GND) of lock core control circuit board through electric connection line,

The bottom, hole of standby key jack (81) be provided with following two mutually isolation be inserted in standby lock core shell and can distinguish relative standby key jack (81) with parallel shafts to the standby lock core contact of activity of direction telescopic moving: standby power supply connects contact (B97) and spare communication contact (B98); The external end head that standby power supply connects contact (B97) is connected making leaf spring (B85) connection with the standby power supply that is used for it to apply inside pressure on top surface, standby power supply connects making leaf spring (B85) and is connected with the standby power supply signal output part (BVCC) of standby power supply Drive and Control Circuit through electric connection line; The external end head of spare communication contact (B98) is connected with the spare communication making leaf spring (B84) that is used for it to apply inside pressure on top surface, and spare communication making leaf spring (B84) is connected with the standby lock core data communication port (BTRXD) of standby lock core control chip operating circuit through electric connection line;

In key plug (105) inserts standby key jack (81) and while being rotated in place, the position at standby power supply conducting contact (B100) and the inner termination place of standby negative pole conducting contact (B99) just in time can be protruded contact (104) with the key on key plug (105) and is connected simultaneously; Described standby power supply connect contact (B97) and spare communication contact (B98) inner termination place position just in time can with the key plug being rotated in place (105) on the positive contact of key power supply (101) and key communication contact (102) be connected respectively; And now can make the circuit turn-on of standby power supply Drive and Control Circuit, by power supply signal output terminal (BVCC) the out-put supply signal of standby power supply Drive and Control Circuit, give standby lock core control chip operating circuit and key control circuit board;

In described standby lock core control chip operating circuit, be provided with and can coordinate the standby lock core control chip (FU2) of realizing following functions with the key control chip (FU3) of key control circuit board: when key plug (105) inserts standby key jack (81) and is rotated in place, standby lock core control chip operating circuit and key control circuit board are obtained when electric by standby power supply Drive and Control Circuit, standby lock core control chip (FU2) is set up two-way communication with key control chip (FU3) by standby lock core data communication port (BTRXD) and key data communication port (TRXD) and is connected, key control chip (FU3) is realized password transmission with the control program of standby lock core control chip (FU2), verifying work, when cryptographic core is to after correct, the control program output of standby lock core control chip (FU2) is used for driving spare motor driving circuit lock bolt components to be carried out to the unlock command of release action, when password mistake, standby lock core control chip (FU2) is not exported unlock command.

10. two-way communication coded lock according to claim 9, it is characterized in that: in described lock core control chip (FU1) and standby lock core control chip (FU1), establish synchronous password update routine, described door body inner side is also provided with the Modify password control knob (K1-21) for setting up password update routine, one end of described Modify password control knob (K1) is connected with the power turn-on signal incoming end (JDQ) of power driving circuit, the other end of Modify password control knob (K1) is divided into three branch roads, Article 1, branch road is connected with the standby power supply Continuity signal incoming end (BJDQ) of standby power supply driving circuit, Article 2 branch road is connected with user's Modify password push button signalling input port (P3.2) of lock core control chip (FU1) through the 3rd diode (D3), Article 3 branch road is connected with user's Modify password push button signalling input port (BP3.2) of standby lock core control chip (FU2) through the 4th diode (D4), only have the Modify password control knob (K1) of working as to be triggered, key plug (105) inserts in key hole (107) and is rotated in place simultaneously, make lock core control chip (FU1) and key control chip (FU3) be connected transfer check cryptographic core when correct by two-way communication, user's Modify password push button signalling input port (P3.2) of lock core control chip (FU1) and user's Modify password push button signalling input port (BP3.2) of standby lock core control chip (FU2) could detect the signal that Modify password control knob (K1) is triggered simultaneously, and then setting up password update routine generates new password and is transferred to key control chip (FU3), complete password modification.