CN201003315Y

CN201003315Y - Light-operated anti-theft alarming lock

Info

Publication number: CN201003315Y
Application number: CNU2006200341967U
Authority: CN
Inventors: 刘章玺
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-15
Filing date: 2006-05-15
Publication date: 2008-01-09
Anticipated expiration: 2016-05-15

Abstract

An optically controlled burglarproof alarming lock relates to a mechanical lock, which solves the problems that the prior identification technique is complex and the password keyboard is easily destroyed. The lock is provided with a key, a lock body, a lock core and a control circuit. Two or more than two photoelectric sensors are arranged in the lock core in a correlation manner, which are positioned on the circuit in the box body of the lock core. Each sensor is connected with the input end of SCM. The key is provided with light passing holes corresponding to the photoelectric sensors or a sewing moveable light preventing block forming the password key. If the password is correct, the electrical operated lock body is driven by the SCM to be opened; if the password is not correct, the utility model automatically alarms. Unlocking identification, control and machine are simple. By adopting the password lock core and key as well as the SCM, the utility model can realize the standard components producing of the key and the lock core with the cost greatly reduced. The utility model becomes a new lock by changing the password if the key gets lost, and the utility model says goodbye to the period that: the special key is needed for the prior lock. The utility model has strong thief and security. One key with the same or different password can unlock a plurality of locks for the same household. The utility model can be widely applicable for different door lock for the car, the household and the hotel.

Description

The light-controlled antitheft alarming lock

(1) technical field: the utility model relates to a kind of electromechanical lock, belongs to lock class (E05B).Be applicable to the various door locks that comprise automobile door lock.

(2) background technology: mostly existing various electronic locks are to adopt IC-card or digital code keyboard input password to unblank.Chinese patent (patent No. 02272419.2) discloses name and has been called " a kind of novel digital electronic lock ", and it is made up of lock body, transmission mechanism, control circuit and magnetic card four parts; Wherein lock body is built-in with battery case, and the outside is equipped with indicator lamp, handle rotating shaft, interior door switch rotating shaft and control panel shift knob, and magnetic card socket, key mouth are arranged; Transmission mechanism is interconnected and is formed by switch rotating shaft in passage dead bolt, interlock sheet, the door, theft-proof bolt, and control circuit is by power control circuit, and photoelectromagnetic identification sensor or photoelectromagnetic look identification sensor, single-chip microcomputer, control panel interconnect composition.There are the following problems for this technical scheme: 1. recognition technology complexity.2. magnetic card is preserved easy demagnetization, is difficult for reconfiguring, and makes troubles to use.3. the scheme that has adopts outdoors face to establish code keypad, causes being destroyed easily.

(3) summary of the invention:

The light-controlled antitheft alarming lock that the utility model proposes solves above-mentioned existing recognition technology complexity exactly, and magnetic card is discerned easy demagnetization, outdoors code keypad problem such as easily go to pot.Its technical scheme is as follows:

The light-controlled antitheft alarming lock comprises key 6, lock body 9 and lock core 5 and control circuit, it is characterized in that establishing in the described lock core two and above correlation type photoelectric sensor 4, and is fixed on the circuit board 5.2 in the lock core box body 5.1; Each correlation type photoelectric sensor is connected with single-chip microcomputer 7 inputs; Key piece in the described key is provided with the light hole that matches with correlation type photoelectric sensor number or stitches 6.1, and this place is provided with the movable light-blocking block 6.2 that can open and close light hole or seam, forms cipher key thus; Described lock body 9 is the electronic lock body that is driven by Single-chip Controlling; And be provided with by monolithic processor controlled warning device 11.

Each light hole or seam are other in the above-mentioned cipher key can be provided with numbering 6.4.Dress magnetic sheet 6.5 on the key piece of above-mentioned light-blocking block both sides; Perhaps light-blocking block contains magnetic material, and key piece contains ferrous material.

Above-mentioned correlation type photoelectric sensor 4 can adopt transmission type photo interrupter 4.In above-mentioned lock core box body, can adorn the microswitch 5.3 that matches with key, and be serially connected in correlation type photoelectric sensor luminous tube 4.1 string or and after circuit in.Be provided with line bank 7.1 between above-mentioned correlation type photoelectric sensor output and single-chip microcomputer input.

Above-mentioned electronic lock body 9 can adopt both clampings or throw off auxiliary lock body 9a and the main lock body 9b that connects, the secondary dead bolt 9.2a and the secondary back-moving spring 9.3a that are provided with secondary electromagnet 9.1a, secondary chute 9.4a in the auxiliary lock body 9a and slide therein; Be provided with main chute 9.4b, the main dead bolt 9.2b that slides therein in the main lock body 9b and have locating hole 9.5b and the master reset spring 9.3b that uses the what clamping on it; Perhaps set up main electromagnet 9.1b within it.Establish the inside and outside two handle 9.6b of door on the main dead bolt, establish handle 9.6a in the door on the secondary dead bolt; Establish major and minor positioning port 9.7b and 9.7a on the major and minor chute respectively.Establish power supply 1 on the circuit board 5.2 and can adopt decompression rectification power 1.1, battery or battery.Adopt in the decompression rectification power and can establish charging accumulator 2.Above-mentioned electronic lock body can adopt by monolithic processor controlled photoelectricity coupling circuit and relay drive circuit and drive.Can establish light-operated indicator lamp 3 on above-mentioned lock core keyhole 5.0 sides.

The utility model beneficial effect:

1. only adopt many correlation type photoelectric sensors just to finish to unblank and the password identification of alarm signal, drive with single-chip microcomputer and relay, its identification, control, mechanical part is all very simple, and easy for operation.

2. adopt adjustable smooth cipher key and single-chip microcomputer to finish identification, analyzing and processing and the control of unlocking signal, following advantage is arranged: 1. unblank with cipher key, if password is not right, not only lock is not opened, and also can send chimes of doom.2. if the key owner deliberately establishes key cipher mistake at ordinary times or the light-blocking block on the key piece is all slided into same position, before unblanking, change proper password again into, can prevent that like this key cipher is stolen.Therefore cipher key has the cryptosecurity function, only knows that the people of password just can unblank, and ignorant people takes key and also can't unblank, and has improved key and has used and the keeping safety.3. this lock need only just can form the lock core of different passwords by the wiring that exchanges or the change photoelectric sensor send a signal between the single-chip microcomputer input pin at line bank 7.1 places; The key that matches is adjusted the position of each light-blocking block on the key piece as long as change according to the lock core wiring, just forms the new password key that matches.Can design and produce the lock of several models and the tender product of key as producing screw rod, nut tender thus.This will greatly reduce the cost of production of lock and key, reduce the product price.4. people or one family's different local door locks, lock etc. all can be opened with same key of same password or different passwords, avoid everyone inconvenience with a big string key.5. forgotten to be with or to have lost as if key, as long as own or household also remembers key cipher, the key tender of can nigh shop buying a same model, just being easy to set key cipher opens door, avoid looking for key everywhere or look for people the force open the door inconvenience and the loss of picking lock, and will take leave of the epoch that lock needs special bitting.6. lock owner and can according to circumstances reach needs, change the password of lock core and key easily.With a lock core cipher, changed a lock core cipher behind the finishing more just when fitting up, reduced and changed the trouble that lock changes key again, so both improved key and used and the keeping safety, brought great convenience for again the key owner as new house.If 7. wish to realize the different needs of unblanking, only need by changing the single-chip microcomputer internal processes or calling in the single-chip microcomputer distinct program and realize, as to realize opening must the double or above usefulness different key cipher of same lock earlier, the back just can open lock after correct, like this, just can realize some is had keeping, the control and antitheft of the important item of special requirement, as examination paper, important case evidence.8. hotel guest-room door lock, its lock core wiring or SCM program call and can focus on the centralized management of total platform, can realize guest of the every replacing in guest room, just change guest room lock core and key cipher, can reduce common guest room key and be duplicated the loss that the guest room is stolen easily.

3. adopt lock core to separate with electronic lock body, lock core has only a keyhole 5.0 on door, so be not subject to destruction, particularly the secondary dead bolt of electronic lock body directly embeds in the locating hole of main dead bolt, main dead bolt is stuck from door inside, and the robber can't prize or destroy secondary dead bolt outdoors at all, and main dead bolt just can not prize, so the robber wants to force open the door and opens up lock and also have no way of doing it, and has further improved the anti-theft feature of this lock.

4. this Lock Lee realizes the automatic monitoring of battery tension is controlled with charging with single-chip microcomputer and voltage detecting IC 2, guarantee the same can normally use the under this situation that is locked in power failure, can also realize multiple needs for electricity in short-term such as doorbell, Emergency Lighting Supply supply.This lock is used for automobile door lock, and the password that can overcome present automobile electronic password lock commonly used is easily unblanked by automatic decoding.This lock is powered with automatic charging accumulator, and power supply, control circuit that can make this lock etc. all is contained in the car body fully, and the robber can't contact at all, more destroy less than this lock power supply and lock core control circuit.Secondary dead bolt also is hidden in the car door fully, do not have the car owner key, unless the car door sled is mashed, otherwise can't open car door, this will fundamentally solve a vehicle stolen difficult problem easily.

5. transmission type photo interrupter is done signal identification, technology maturation, stable performance, and lock core structure is more simplified.

6. correlation type photoelectric sensor luminous tube is established microswitch, power supply when only unblanking, economize on electricity more.

7. to help light-blocking block to move the back fixing for the other dress of light-blocking block magnetic sheet etc.Light-blocking block is established numbering and is made convenience when establishing password, is memonic.

8. other the establishing when light-operated indicator lamp helps unblank night of keyhole can be seen the lockhole position clearly, and daytime can luminous power consumption.

(4) description of drawings:

Fig. 1 the utility model circuit block diagram

Fig. 2 circuit diagram

Fig. 3 key 6 vertical views

Fig. 4 Fig. 3 A-A sectional view

Fig. 5 keyhole and indicator lamp schematic diagram

Fig. 6 Fig. 5 B-B sectional view

Fig. 7 lock core 5 and photoelectric sensor 4 elevations (or Fig. 6 C-C sectional view)

The major and minor lock body positive view of Fig. 8

The major and minor lock body outline drawing of Fig. 9

(5) specific embodiment:

See Fig. 1, this light-controlled antitheft alarming lock is made up of major parts such as cipher key 6, the lock core 5 that includes a plurality of transmission type photo interrupters 4, single-chip microcomputer 7, amplification driving circuit 8, the electronic lock body 9 that contains the major-minor electromagnet and amplifying circuit 10 and warning device 11, doorbell 12, power supplys 1.

See Fig. 3, Fig. 4, cipher key 6 is made of the key piece of the shank of the key and front end.Both sides are established eight light holes altogether or are stitched 6.1 on the key piece, and T shape chute 6.3 is arranged on it, and pack in each chute a light-blocking block 6.2 and available hand are stirred its dislocation.Can adorn magnetic sheet 6.5 on the key piece of light-blocking block 6.2 both sides, perhaps light-blocking block magnetic material, the key piece ferrous material all can make light-blocking block change to be subjected to magnetic force suction behind the position and fixes.Each light-blocking block is other to have numbering 6.4 to be respectively 1. 2. 3. 4. 5. 6. 7. 8., wherein the 2. 4. interior light-blocking block of numbering is by pushing away in the N direction, (light transmission that the luminous tube 4.1 of transmission type photo interrupter 4 sends is to photosensitive tube 4.2 to be in logical optical position, see Fig. 7), otherwise, all the other numberings 1. 3. 5. 6. 7. 8. light-blocking block press the K direction and extrapolate, be in obstructed optical position.Form an eight-digit number control light cipher key 6 thus.

See Fig. 5,, outside the door 13 keyhole 5.0 is arranged, lock core box body 5.1 etc. is arranged in it internal cylinder 5 places that answer the door.Light-operated indicator lamp 3 is equipped with at this place outdoors.Doorbell 12 also can be contained on the door.

See Fig. 6, Fig. 7, totally eight transmission type photo interrupters 4 of arranging about in lock core 5, establishing, four of every sides and key coupling, this moment, key 6 levels were inserted (seeing shown in the dotted line).When being cross, key 6 then needs simultaneously with the transmission type photo interrupter of arranging up and down 4.Each transmission type photo interrupter inserts with pin and is fixed on the circuit board 5.2.Circuit board is fixed in the lock core box body 5.1.Establish the microswitch 5.3 that is fixed on the circuit board in the position of matching with the key insert division, see Fig. 2, microswitch 5.3 be serially connected in transmission type photo interrupter 4 luminous tube 4.1 string or and after circuit in.The photosensitive tube 4.2 of transmission type photo interrupter 4 is connected with the input pin of single-chip microcomputer 7 by line bank 7.1.

See Fig. 8, Fig. 9, electronic lock body 9 is made up of its auxiliary lock body 9a of main lock body 9b and vertical what of horizontal positioned.The secondary dead bolt 9.2a and the secondary back-moving spring 9.3a that are provided with secondary electromagnet 9.1a, secondary chute 9.4a in the auxiliary lock body 9a and slide therein.Be provided with main chute 9.4b, the main dead bolt 9.2b that slides therein in the main lock body 9b and have locating hole 9.5b and the master reset spring 9.3b that uses the what clamping on it.Also can in main lock body 9b, set up main electromagnet 9.1b.Establish door inside and outside two main handle 9.6b on the main dead bolt, establish secondary handle 9.6a in the door on the secondary dead bolt; Establish major and minor positioning port 9.7b on the major-minor chute respectively, the 9.7a (see figure 9).

See Fig. 1, Fig. 2, single-chip microcomputer 7 models are chosen as AT89S52.Amplification driving circuit 8 comprises photoelectricity coupling circuit 8.2 and relay J 2 combinational circuits that drive auxiliary lock body 9a and drives the photoelectricity coupling circuit 8.3 of main lock body 9b and the combinational circuit of relay J 3.Its input connects the single-chip microcomputer output pin respectively; Relay normally open contact J2-1, the J3-1 loop meets secondary electromagnet 9.1a respectively or/and main electromagnet 9.1b.

See Fig. 1, Fig. 2, establish

loudspeaker

11a and 12a respectively in warning device 11 and the doorbell 12, also can establish one shared, also establish power switch circuit IC3 (can select model for use is TwH8751) and sound Analogous Integrated Electronic Circuits IC4 (optional model is KD-9561) in it respectively.The combinational circuit 10.1 of amplifying circuit 10 available light electric coupling circuits and triode and 10.2 is formed.

See Fig. 2, in order to solve a problem of not opening that the electric lock akinesia is caused because of power failure, this light-controlled antitheft alarming lock is provided with the automatic charging accumulator 2 that constitutes by voltage detecting IC 2 (available model is the IC556 dual time base circuit), battery E, with single-chip microcomputer in power circuit.By regulating the voltage upper and lower limit that resistance R P1, RP2 set battery E respectively, when voltage reaches high and low limit value ic chip 2 respectively output signal send into single-chip microcomputer 7 input IN1 and IN2, corresponding single-chip microcomputer output OUT1 is control relay J1 and constant open contact J1-1 control loop on-off respectively, realizes charging or the Automatic Control that stops to charge.12a is doorbell 12 buttons among Fig. 2.Item No. 3 is light-operated indicator lamp.R ₃Be the set light resistor of indicator lamp 3.

The work use:

I. prepare to close the door when leaving as the people, check earlier whether main handle 9.6b and secondary handle 9.6a all are in free state, and whether promptly secondary dead bolt 9.2a snaps in the locating hole 9.5b, if snap in, should be earlier in door with secondary handle with its dial-out, make it be in free state.Go out then door is closed, to the main handle of knocker direction M pulling 9.6b, secondary dead bolt 9.2a slips in the locating hole 9.5b main dead bolt is located under secondary back-moving spring 9.3a effect simultaneously, and door just locks.

Ii. when the people in the time will opening the door outdoors, should check and set key cipher earlier, insert keyhole 5.0 with cipher key 6, at first make microswitch 5.3 closures, the luminous tube 4.1 of all correlation type photoelectric sensors 4 is simultaneously luminous, single-chip microcomputer is having photosensitive tube 4.2 input pin level to change behind back certain hour (as 0.5 second), begin to gather each input pin level that all are connected with photosensitive tube, and whether analysis and judgement is consistent with the level of procedure stipulation, whether the input pin that promptly should be high level is high level, whether should be low level all input pins all is low level, if it is in full accord, illustrate that key cipher is entirely true, output pin OUT2 output control signal a period of time (as 2 to 5 seconds) of single-chip microcomputer, relay J 2 coil electricities, its constant open contact closure makes secondary electromagnet 9.1a energising, secondary dead bolt 9.2a is pulled out from locating hole 9.5b by suction, this moment is not if be provided with main electromagnet 9.1b in the main lock body 9b in the present embodiment, this moment, main dead bolt moved a certain distance under its back-moving spring 9.3b effect, secondary dead bolt and main dead bolt locating hole are staggered, with hand main dead bolt is pulled out door latch fully then, door has just been opened.

Iii. as if the identical main electromagnet 9.1b that also is provided with of main lock body 9a among this lock embodiment with auxiliary lock body 9b, then single-chip microcomputer is after the analysis and judgement key cipher is entirely true, export control signal a period of time (as 2 to 5 seconds) respectively by two output pin OUT2, OUT3, through relay J 2 and J3 and constant open contact J2-1, J3-1 control pair, main electromagnet and auxiliary lock body, main lock body successively move, and directly door are opened.If iv. single-chip microcomputer is judged by analysis, find the input pin be connected with photosensitive tube level any one or several and the program requirement is inconsistent, illustrate that key cipher is wrong, promptly may be that seam or the hole that this opens or closes on the key piece do not open or close on request, then the output pin output signal of single-chip microcomputer is to warning circuit, and the control alarm sends a period of time the chimes of doom of (as 15 seconds).

If v. the people in doors, do not wish dead with door lock, can spur secondary handle 9.6a and be placed among the secondary positioning port 9.7a, no matter then in doors outside the room, as long as the main handle of pulling 9.6b just can open door, if wish door lock dead in doors, then only need the main handle of pulling that main dead bolt 9.2b is moved to door latch direction M, secondary dead bolt has slipped into main dead bolt locating hole just automatically.

Claims

1. the light-controlled antitheft alarming lock comprises key (6), lock body (9) and lock core (5) and control circuit, it is characterized in that establishing in the described lock core (5) two and above correlation type photoelectric sensor (4), and is fixed on the interior circuit board (5.2) of lock core box body (5.1); Each correlation type photoelectric sensor (4) is connected with single-chip microcomputer (7) input; Key piece in the described key (6) is provided with light hole or the seam (6.1) that matches with correlation type photoelectric sensor number, and this place is provided with the movable light-blocking block (6.2) that opens and closes light hole or seam; Described lock body (9) is the electronic lock body (9) that is driven by Single-chip Controlling; And be provided with by monolithic processor controlled warning device (11).

2. by the described anti-theft alarm lock of claim 1, it is characterized in that each light hole or the other numbering (6.4) that is provided with of seam in the key.

3. by the described anti-theft alarm lock of claim 1, it is characterized in that adorning magnetic sheet (6.5) on the key piece of light-blocking block both sides; Perhaps light-blocking block contains magnetic material, and key piece contains ferrous material.

4. by the described anti-theft alarm lock of claim 1, it is characterized in that correlation type photoelectric sensor (4) adopts transmission type photo interrupter (4).

5. by the described anti-theft alarm lock of claim 1, it is characterized in that the microswitch (5.3) that dress matches with key in the lock core box body, and be serially connected in luminous tube (4.1) string of correlation type photoelectric sensor or also after circuit in.

6. by the described anti-theft alarm lock of claim 1, it is characterized in that between correlation type photoelectric sensor output and single-chip microcomputer input, being provided with line bank (7.1).

7. by the described anti-theft alarm lock of claim 1, it is characterized in that electronic lock body (9) adopts both clampings or throws off auxiliary lock body (9a) and the main lock body (9b) that connects, the secondary dead bolt (9.2a) and the secondary back-moving spring (9.3a) that are provided with secondary electromagnet (9.1a), secondary chute (9.4a) in the auxiliary lock body (9a) and slide therein; Be provided with main chute (9.4b), the main dead bolt (9.2b) that slides therein in the main lock body (9b) and have locating hole (9.5b) and the master reset spring (9.3b) of using the what clamping on it; Perhaps set up main electromagnet (9.1b) within it.

8. by claim 1 or 7 described anti-theft alarm locks, it is characterized in that establishing on the main dead bolt door inside and outside two main handles (9.6b), establish the pair handle (9.6a) in the door on the secondary dead bolt; Establish major and minor positioning port (9.7b) and (9.7a) on the major and minor chute respectively.

9. by the described anti-theft alarm lock of claim 1, it is characterized in that establishing on the circuit board (5.2) power supply (1) of following composition: by decompression rectification power (1.1) and charging accumulator (2) combination automatically, self-contained storage battery power supply or battery supply.

10. by the described anti-theft alarm lock of claim 1, it is characterized in that at the other light-operated indicator lamp (3) of establishing of lock core keyhole (5.0).