CN2849062Y - Electrically controlled antitheft lock and its key - Google Patents

Abstract

The utility model relates to an electrically controlled antitheft lock and a key thereof, which belong to an antitheft lock and a key. The utility model is composed of a mechanotronic lock body and a single electrode electronic key. An electrode strip which is made by a conductor between the lock body and the key is used as both-way data and a power cord, and metal shells of the lock body and the key are formed into a public earth wire to realize the electric connection. Under the program control of a central processing unit of the lock body, a code between the lock body and the key is generated, transmitted, stored and verified. According to a correct or wrong code, an electric magnet or a motor is controlled to act to drive a plug to restrict a lock core or release the restriction in order to realize the aim of electrically controlled antitheft. The utility model has the characteristics of high confidentiality, safety and reliability.

Description

Electrically-controlled anti-theft lock and key thereof

" technical field " the utility model belongs to a kind of theftproof lock and key, particularly belong to a kind of be applicable to confidentiality, security requirement higher class and electrically-controlled anti-theft lock and the key thereof on the strongbox class.

" background technology " present class and the used electric control lock of strongbox class mostly are Fingerprint Lock, eyeprint lock, palmmprint lock, Keyboard puzzle lock, infrared remotely controlled lock and unlimited remote control lock etc.But existence such as Fingerprint Lock, eyeprint lock, palmmprint lock cost an arm and a leg the deficiency of anti-destructive difference; And Keyboard puzzle lock needs user's memory cipher, and cipher safety is poor; Infrared remotely controlled lock and unlimited remote control lock are wireless transmission method, and password is intercepted and captured easily.

" summary of the invention " the purpose of this utility model promptly is to provide a kind of novel electrically-controlled anti-theft lock and key thereof, improves confidentiality, safety, purpose easy to use to overcome existing class and the strongbox class deficiency with lock, to reach.

Electrically-controlled anti-theft lock disclosed in the utility model, comprise metal shell (20) and lock core (12), lock core can rotate in lock body, with lock core interlock turning wheel (15) arranged, lock core rotates the locking bolt of opening the outer accessory of lock body by the shift fork (19) of turning wheel (15), it is characterized in that, be provided with latch (17) between lock body and the lock core, so-called latch is driven by electromagnet or motor (18) and does straight reciprocating motion, extend out to lock core state restriction lock core from lock body and rotate, be retracted to the lock body state and then remove this restriction; The action of electromagnet or motor (18) is by electromagnet in the lock body control circuit board (16) or motor-drive circuit (6) control; Circuit in the so-called lock body control circuit board (16) comprises central processing unit (4), auditory tone cues electric circuit (5), electromagnet or motor-drive circuit (6), communicating circuit (7), power circuit (8), reset circuit (11); Electromagnet or motor-drive circuit (6) link to each other with electromagnet or motor; Communicating circuit (7) links to each other with the utility model key communicating circuit (1) by the electrode strip (13) that is provided with in the lock core (12); The electrode strip (13) that is provided with in the said lock core (12), the one end links to each other with lock body control circuit board (16), and the other end contacts with the utility model key electrode; Between electrode strip (13) and the lock core insulating layer (14).

The key of electrically-controlled anti-theft lock disclosed in the utility model comprises metal the shank of the key (25) and spoon point (23), it is characterized in that, is provided with key circuit board (24) in the said the shank of the key (25), is provided with electrode strip (21) in the spoon point (23); One end of electrode strip (21) links to each other with the key control circuit, and the electrode (13) in the other end and the utility model lock body contacts; Between electrode strip (21) and the spoon point (23) is insulating layer (22); So-called key control circuit comprises key communicating circuit (1), key central processing unit (2), key power circuit (3); Communicating circuit (1) links to each other with the utility model lock body communicating circuit (7) by electrode strip (13).

As mentioned above, the utility model is made of electromechanical integration lock body and single electrode electron key, the electrode strip of making by conductor between the two is with as bi-directional data and power line, constitute common ground and realize being electrically connected with both metal shell, thereby can realize giving key-powered and transmitting data between the two by the lock body power circuit.After setting up communication between key and the lock body, under the programme-control of lock body central processing unit (4), can realize generation, transmission, storage and the check and correction of password between lock body and the key, according to the password correctness, action by central processing unit (4) control electromagnet or motor, then drive latch action lock core is implemented restriction or discharged this restriction, thereby realize automatically controlled antitheft purpose, have confidentiality height, characteristics safe and reliable, easy to use.

" description of drawings " accompanying drawing partly discloses specific embodiment of the utility model, is further described below in conjunction with accompanying drawing:

Fig. 1, the lock body structure schematic diagram;

Fig. 2, the Key structure schematic diagram;

Fig. 3, the utility model system block diagram;

Fig. 4, the lock body circuit constitutes block diagram;

Fig. 5, the key circuit constitutes block diagram;

Fig. 6, lock body central processing unit working programme block diagram;

Fig. 7, key central processing unit working programme block diagram;

Fig. 8, lock body and key circuit theory diagrams.

" specific embodiment "

As shown in Figure 1, electrically-controlled anti-theft lock disclosed in the utility model, comprise metal shell (20) and lock core (12), lock core can rotate in lock body, with lock core interlock turning wheel (15) arranged, insert key rotation lock core, can open the locking bolt of the outer accessory of lock body by the shift fork (19) of turning wheel (15).Said structure and common lock body structure are basic identical, particularly, turning wheel, shift fork and as the locking bolt of the outer accessory of lock body, its specific constructive form, layout and the kind of drive need according to the different application occasion, as: the requirement of strength of the structure of door and form, anti-destructive power etc. is carried out specific design, this those skilled in the art will find apparent that and realize, and does not belong to major technique feature of the present utility model, so do not do too much explanation.

Electrically-controlled anti-theft lock disclosed in the utility model is characterized in that, is provided with latch (17) between lock body and the lock core, and this latch can be done straight reciprocating motion, rotates when it extend out to lock core time limit lockmaking core from lock body, plays the effect of locking; When it is retracted to lock body, then remove this restriction, reach the purpose of unblanking.The main feature of the utility model is that also so-called latch (17) is driven by electromagnet or motor (18), and the action of electromagnet or motor (18) is then by electromagnet in the lock body control circuit board (16) or motor-drive circuit (6) control.

As shown in Figure 2, the key of electrically-controlled anti-theft lock disclosed in the utility model comprises metal the shank of the key (25) and spoon point (23), it is characterized in that, is provided with key circuit board (24) in the said the shank of the key (25).

The electrical connection of electrically-controlled anti-theft lock disclosed in the utility model and key thereof and data conduction are achieved in that and are provided with electrode strip (13) in the said lock core (12), be insulating layer (14) between electrode strip (13) and the lock core.Being provided with electrode strip (21) in the spoon point (23) of key, is insulating layer (22) between electrode strip (21) and the spoon point (23).Electrode strip (13) one ends in the lock core (12) link to each other with lock body control circuit board (16), and when key was inserted lock core, its other end then contacted with electrode strip (21) in the key spoon point, and the other end of electrode strip (21) then links to each other with key circuit board (24).So, as shown in Figure 3, the electrode strip of making by conductor between electrically-controlled anti-theft lock disclosed in the utility model and the key thereof is with as bi-directional data and power line, and both common ground that metal shell constituted have realized electrical connection, thereby can realize giving transfer of data key-powered and between the two by the lock body power circuit.

Below in conjunction with Fig. 4 and Fig. 5, the circuit formation of the utility model lock body control circuit board (16) with key circuit board (24) is further described:

As shown in Figure 4, the circuit in the lock body control circuit board (16) comprises central processing unit (4), auditory tone cues electric circuit (5), electromagnet or motor-drive circuit (6), communicating circuit (7), power circuit (8), reset circuit (11).As shown in Figure 8, wherein,

Auditory tone cues electric circuit (5) comprises loudspeaker Y1, triode V1 and resistance R 23, in central processing unit (4) control down, can send " pout. toot " prompt tone;

Electromagnet or motor-drive circuit (6) comprise chip IC 7, diode D6～7 and resistance R 26～27, R29～32, in central processing unit (4) control down, power in good time or cut off the power supply to driving electromagnet that latch (17) moves or motor (18);

Communicating circuit (7) comprises triode V7 and resistance R 18～22, under central processing unit (4) control, can link to each other with key communicating circuit (1) with electrode strip (13) by electrode strip (21);

Power circuit (8) comprises chip IC 3, diode D5, capacitor C 7～10 and power supply BC1, provides power supply to central processing unit (4) and other circuit;

Reset circuit (11) comprises amplifying circuit ED1, capacitor C 1 and resistance R 15～16, under central processing unit (4) control, makes other circuit of system be returned to init state.

For improving the stability and the reliability of the utility model work, the circuit in the utility model lock body control circuit board (16) also comprises standby electric power (9) and voltage detection circuit (10), wherein,

Standby electric power (9) comprises diode D1～2, triode V2 and triode V6, resistance R 36～40, capacitor C 1, switch relay J1 and voltage-stabiliser tube Z1, provides power supply to system under the situation of power circuit (8) outage;

Voltage detection circuit (10), comprise amplifying circuit IC4 and resistance R 14, be used to detect the voltage that power circuit (8) is provided,, send prompt tone by central processing unit (4) control auditory tone cues electric circuit (5) when voltage is lower than setting value and a user when opening with key;

As shown in Figure 5, so-called key control circuit comprises key communicating circuit (1), key central processing unit (2), key power circuit (3).As shown in Figure 8, wherein,

Key communicating circuit (1) comprises resistance R 113～114, can link to each other with the communicating circuit (7) of lock body with electrode strip (13) by electrode strip (21);

Key power circuit (3) comprises diode D111, triode V111, resistance R 111～112, capacitor C 111～112 and voltage-stabiliser tube Z11, and being used for provides power supply to key central processing unit (2) and key communicating circuit (1).

Lock body central processing unit of the present utility model (4) and key central processing unit (2) are according to the program operate as normal of its software set, below in conjunction with Fig. 6, lock body central processing unit shown in Figure 7 and the working programme block diagram of key central processing unit, be further described with regard to its course of work and operating principle and methods for using them of the present utility model:

(1) generation of password and storage, i.e. key configuration:

Lock body central processing unit (4) wakes up from resting state, finish initialization after, begin to detect and wake reason up, if button K2 wakes the laggard study state of going into of promptly delaying time up.Lock body central processing unit (4) begins to detect whether insert key then, if inserting key electrode strip (21) will be connected with electrode strip (13), pass through electrode strip (21) and electrode strip (13) and common ground this moment and give key power circuit (3) charging, thereby make key central processing unit (2) electrification reset finish initialization, and rear locking central processing unit (4) sends duty, whether key central processing unit (2) detects is learning state, be then to receive the password that lock body central processing unit (4) generates, password transfers to key central processing unit (2) by lock body communicating circuit (7) and key communicating circuit (1) by lock body central processing unit (4), key central processing unit (2) with password storage to the built-in memory.

The password that the utility model adopted is made up of lock sequence code and random code two parts, and password adopts 256 bits, is generated at random by lock body central processing unit (4).

(2) transmission of password and check and correction promptly open the lock with the key:

The key that configures is inserted lock core, and electrode strip (21) contacts with electrode strip (13); Lock body central processing unit (4) wakes up from resting state, after finishing initialization, begin to detect and wake reason up, wake up and then insert key electrode strip (21) and will be connected if insert key with electrode strip (13), pass through electrode strip (21) and electrode strip (13) and common ground this moment and give key power circuit (3) charging, thereby make key central processing unit (2) electrification reset finish initialization, and rear locking central processing unit (4) sends duty, whether key central processing unit (2) detects is learning state, otherwise just the password in the key central processing unit (2) is transferred to lock body central processing unit (4) by lock body communicating circuit (7) and key communicating circuit (1), whether lock body central processing unit (4) check password is correct, if correctly with drive magnet or motor-drive circuit (6), drive magnet or motor are taken out out latch, finish and unblank, can key drive the turning wheel (15) of Fig. 2 this moment, unblanks thereby drive locking bolt.Whether lock body central processing unit (4) detects key again and extracts, if extract time-delay a period of time is then closed latch.

Claims (5)

1, a kind of electrically-controlled anti-theft lock, comprise metal shell (20) and lock core (12), lock core can rotate in lock body, with lock core interlock turning wheel (15) arranged, lock core rotates by the shift fork (19) of turning wheel (15) and opens the lock body locking bolt of accessory outward, it is characterized in that, be provided with latch (17) between lock body and the lock core, so-called latch is driven by electromagnet or motor (18) and does straight reciprocating motion, extend out to lock core state restriction lock core from lock body and rotates, and is retracted to the lock body state and then removes this restriction; The action of electromagnet or motor (18) is by electromagnet in the lock body control circuit board (16) or motor-drive circuit (6) control; Circuit in the so-called lock body control circuit board (16) comprises central processing unit (4), auditory tone cues electric circuit (5), electromagnet or motor-drive circuit (6), communicating circuit (7), power circuit (8), reset circuit (11); Electromagnet or motor-drive circuit (6) link to each other with electromagnet or motor; Communicating circuit (7) links to each other with key communicating circuit (1) by the electrode strip (13) that is provided with in the lock core (12); The electrode strip (13) that is provided with in the said lock core (12), the one end links to each other with lock body control circuit board (16), and the other end contacts with the key electrode; Between electrode strip (13) and the lock core insulating layer (14).

2, a kind of key of electrically-controlled anti-theft lock comprises metal the shank of the key (25) and spoon point (23), it is characterized in that, is provided with key circuit board (24) in the said the shank of the key (25), is provided with electrode strip (21) in the spoon point (23); One end of electrode strip (21) links to each other with the key control circuit, and the electrode (13) in the other end and the lock body contacts; Between electrode strip (21) and the spoon point (23) is insulating layer (22); So-called key control circuit comprises key communicating circuit (1), key central processing unit (2), key power circuit (3); Communicating circuit (1) links to each other with lock body communicating circuit (7) by electrode strip (13).

3, electrically-controlled anti-theft lock according to claim 1, its feature are that also so-called auditory tone cues electric circuit (5) comprises loudspeaker Y1, triode V1 and resistance R 23, send down in central processing unit (4) control " pout. toot " prompt tone;

Electromagnet or motor-drive circuit (6) comprise chip IC 7, diode D6～7 and resistance R 26～27, R29～32, under central processing unit (4) control, to the electromagnet that drives latch (17) action or motor (18) power supply or outage;

Communicating circuit (7) comprises triode V7 and resistance R 18～22, under central processing unit (4) control, links to each other with key communicating circuit (1) with electrode strip (13) by electrode strip (21);

Reset circuit (11) comprises amplifying circuit ED1, capacitor C 1 and resistance R 15～16, under central processing unit (4) control, makes circuit system be returned to init state;

Power circuit (8) comprises chip IC 3, diode D5, capacitor C 7～10 and power supply BC1, provides power supply to central processing unit (4) and foregoing circuit.

4, the key of electrically-controlled anti-theft lock according to claim 2, its feature are that also so-called key communicating circuit (1) comprises resistance R 113～114, link to each other with the communicating circuit (7) of lock body with electrode strip (13) by electrode strip (21);

Key power circuit (3) comprises diode D111, triode V111, resistance R 111～112, capacitor C 111～112 and voltage-stabiliser tube Z11, provides power supply to key central processing unit (2) and key communicating circuit (1).

5, according to claim 1 or 3 described electrically-controlled anti-theft locks, its feature is that also the circuit in the so-called lock body control circuit board (16) also comprises standby electric power (9) and voltage detection circuit (10), wherein,

Standby electric power (9) comprises diode D1～2, triode V2 and triode V6, resistance R 36～40, capacitor C 1, switch relay J1 and voltage-stabiliser tube Z1, provides power supply to system under the situation of power circuit (8) outage;

Voltage detection circuit (10) comprises amplifying circuit IC4 and resistance R 14, is used to detect the voltage that power circuit (8) is provided.

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