CN2769433Y

CN2769433Y - Photoelectric lock

Info

Publication number: CN2769433Y
Application number: CN 200420103688
Authority: CN
Inventors: 邓德武; 李泳东
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-12-31
Filing date: 2004-12-31
Publication date: 2006-04-05
Anticipated expiration: 2014-12-31

Abstract

The utility model discloses an electromagnetic door lock controlled by the photoelectric effect. The utility model comprises a lock key, a lock core, an electromagnetic lock body and a control circuit, wherein a light emitting element and a photoreception element are arranged in the lock core, the lock key corresponding to the light emitting element and the photoreception element is provided with a light guide passage, and the control circuit is connected with the photoreception element and controls the unlocking or the locking of the electromagnetic lock body according to the on-off state of the photoreception element. The lock key and the lock core of the utility model are made through the photoelectric effect. The door lock is unlocked by the control circuit. The utility model can realize the relevant functions of a mechanical type door lock. The utility model also has the functions that the utility model is unlocked with a cipher, when the utility model is illegally unlocked, the utility model can give an alarm, times for continuously unlocking the utility model are limited, the operation time for unlocking the utility model every time is limited, etc. The utility model has a high safety anti-theft performance.

Description

Photoelectric lock

Technical field

The utility model relates to a kind of electromagnetic door lock device, particularly a kind of electromagnetic door lock that utilizes photoelectric effect control.

Background technology

Traditional mechanical door lock be utilize on the key teeth or the spring terminal in groove and the lock core cooperates, lock core is rotated, and the drive drive link moves dead bolt and reaches the purpose of unblanking; Be mechanical drive mode between its lock core and the dead bolt, in other words, no matter how, as long as lock core is rotated, can unblank.As long as use key or master key of the same type, just can open door lock easily, even the lock core rotation also can be unblanked.So the anti-theft capability of mechanical lock is relatively poor, and without any warning function.

Summary of the invention

In order to overcome the defective that above-mentioned mechanical lock exists, the utility model provides a kind of Photoelectric lock, utilize the photoelectric effect of photo-sensitive cell (as: photodiode, light resistor etc.), cooperate correspondent control circuits to realize to control the door lock of opening or closing, have password unlocking, the illegal function such as warning of unblanking simultaneously.

The technical scheme that the utility model adopted: a kind of Photoelectric lock, it is characterized in that, comprise key, lock core, Electromagnetic lock and control circuit, be provided with light-emitting component and photo-sensitive cell in its lock core, corresponding light-emitting component and photo-sensitive cell are provided with guide lighting channel on the key, control circuit is connected with photo-sensitive cell, and according to the unlatching of the on off operating mode of photo-sensitive cell control Electromagnetic lock or close.

At least be provided with a guide lighting channel on the above-mentioned key;

The light path that has the guide lighting channel formation conducting of a pair of light-emitting component, photo-sensitive cell and key in the above-mentioned lock core at least;

Above-mentioned light-emitting component is a light emitting diode, and photo-sensitive cell is photodiode or light resistor;

Be provided with spacer pin and sliding pin in the above-mentioned lock core, the corresponding spacer pin of key front end is provided with the stop bit mouth;

Above-mentioned control circuit connects a PIN PAD, and opens electromagnetic lock by the input password;

Controller in the above-mentioned control circuit is single chip computer AT 89C2051-24PI.

Key of the present utility model and lock core adopt photoelectric effect to make, and by control circuit unlatching door lock, not only can realize the correlation function of existing machinery formula door lock, and have password unlocking, the illegal functions such as warning of unblanking, have very high safe antitheft performance.Its beneficial effect is: 1.. lock core and the transmission of dead bolt on-mechanical formula, even destroy lock core by force, also can't unblank; 2.. the photo-sensitive cell (as: photodiode, light resistor etc.) in the lock core is divided into illumination and the unglazed two parts that shine, and its syntagmatic can arbitrarily be provided with, and is difficult to judge whether photo-sensitive cell has illumination from the outside, thereby improves the security performance of lock core; 3.. the guide lighting channel on the key has position and two parameters of angle, and passage aperture very little (diameter 1mm), can prevent artificially imitated key, further improves security performance; 4.. the mode of unblanking is easy, and only needing to insert key can unblank, and need not to rotate a few as mechanical lock; 5.. have two kinds of modes of unblanking of key and password input, guarantee that door lock is by legal unlatching; 6.. have the warning function of illegally unblanking, improve anti-theft capability.

Description of drawings

Fig. 1 is a key structural representation of the present utility model;

Fig. 2 is a lock core structure schematic diagram of the present utility model;

Fig. 3 is a control circuit schematic diagram of the present utility model;

Fig. 4 is an Electromagnetic lock structural representation of the present utility model;

Fig. 5 is a PIN PAD structural representation of the present utility model;

Fig. 6 (a), 6 (b) are lock core assembling drawing of the present utility model;

Fig. 7 is an overall structure schematic diagram of the present utility model.

The specific embodiment

Below by specific embodiment the utility model is done concrete the introduction:

Be illustrated in figure 1 as key structural representation of the present utility model, key 1 is made up of key handle 11, insertion body 12, inserts body 12 and is processed to cylinder, is processed by brass bar, and its size is determined according to actual conditions.On insertion body 12, be provided with at least one guide lighting channel 13 (aperture is about 1mm), extend a boss 14 at insertion body 12 front ends, and boss 14 form a stop bit mouth 15 with the horizontal interface of inserting body 12.The size of the guide lighting channel 13 of identical key, boss 14 and stop bit mouth 15 must be in full accord.

Be illustrated in figure 2 as lock core structure schematic diagram of the present utility model, lock core 2 by light emitting diode 21, photodiode 22, spacer pin 23, sliding pin 24, circle mould seat 25, steel ball 26 is formed, wherein, light emitting diode 21 and photodiode 22 corresponding settings, when the insertion body 12 of key 1 inserted lock core 2, the light of light emitting diode 21 can be delivered to photodiode 22 by guide lighting channel 13; Insert the degree of depth of body 12 insertion lock cores 2 and determine that by spacer pin 23 and stop bit mouth 15 stop when stop bit mouth 15 arrives spacer pins 23 places, boss 14 advances sliding pin 24 backward, make sliding pin 24 extruding steel balls 26.When key 1 and lock core 2 were supporting, sliding pin 24 just pushes steel ball 26 connected the positive and negative electrode power switch 27,28 of light emitting diode, then led lightings; If key 1 does not match with lock core 2, then sliding pin 24 possibly can't touch steel ball 26, and light emitting diode can't powered operation, maybe may touch the steel ball 26 of rear end, and alarm switch 29 is connected, and causes alarm to be opened.

Lock core 2 is that raw material processes by brass bar, and its size is definite according to actual conditions, and cooperates with key 1, and especially, when boring, guide lighting channel 13 connects on key 1 and lock core 2 in line; Non-guide lighting channel need not to drill through key, and the position of boring and angle can be selected as required, do not elaborate at this.

Be illustrated in figure 3 as control circuit schematic diagram of the present utility model, control circuit 3 by controller 31, password load button 32 and power supply low pressure indicating circuit 33, key is unblanked and password input circuit 34, alarm 35 are formed, wherein, controller 31 is that (model: AT89C2051-24PI), control program is in advance in the writing controller 31 for the single-chip microcomputer integrated circuit.When power voltage insufficient, low pressure indicating circuit 33 makes the luminous indication of light emitting diode D; When unblanking when accessing to your password, only need at password load button 32 places input user cipher, password input circuit 34 can be opened relay J, and electromagnetic lock is unblanked; When the password input error, can give the alarm by alarm 35.

Be illustrated in figure 4 as Electromagnetic lock structural representation of the present utility model, Electromagnetic lock 4 is made up of snap close 40, locking dead bolt 41 and dead locking deadbolt 42, and dead locking deadbolt 42 is a sector structure.Locking dead bolt 41 at ordinary times adopts open in usual, when at closing time, dead locking deadbolt 42 is produced by snap close 40 extruding and is moved to the left, driving latched lever 45 by guide rod 47 clockwise rotates, promotion guide rod 43 moves to right locking dead bolt 41 and enters snap close 40, and the rearward end of guide rod 43 is finished the action of locking a door this moment by iron core 49 lockings of unlock solenoid 48; When unblanking, control circuit 3 moves down electromagnet 48 energising pull-cores 49, and guide rod 43 moves to left under the effect of spring 46, drives locking dead bolt 41 simultaneously and leaves snap close 40, and latched lever 45 sets back under the effect of extension spring 44.

Be illustrated in figure 5 as PIN PAD structural representation of the present utility model, PIN PAD 5 is made up of data-interface 51 and input keyboard 52, password load button 32 corresponding connections in the button of its input keyboard 52 and the control circuit 3, power supply is provided by battery pack 53.

Lock core assembly structure figure of the present utility model is shown in Fig. 6 (a), 6 (b), lock core 2 and data socket 63 are contained in the door-plate 6, on panel 61, be provided with key hole 62 and screw 64, key 1 inserts lock core 2 by key hole 62, screw 64 is sealed data socket 63, when needs inputs password, screw off screw 64, the data-interface 53 of scrambler 5 is inserted data sockets 63 get final product.

Overall structure figure of the present utility model as shown in Figure 7, panel 61 is contained in door-plate 6 outsides, lock core 2 and data socket 63 perforation are contained in the door-plate 6, control circuit 3, Electromagnetic lock 4 and power supply 7 are contained in door-plate 6 inboards, and control circuit 3 is electrically connected by circuit with lock core 2, Electromagnetic lock 4 and power supply 7 respectively.

Operating principle of the present utility model is: when key 1 inserted lock core 2, part light emitting diode 21, guide lighting channel 13 and photodiode 22 threes in the lock core 2 formed the light path of conducting on same straight line; Part light emitting diode 21 and photodiode 22 can't pass through guide lighting channel 13 conductings, can not form the light path of conducting.After the controller 31 of control circuit 3 receives the make-and-break signal of photodiode 22, judge, if it is consistent with setting program, then unblank, otherwise can not unblanking, (any one should have the not conducting of photodiode of illumination, or any one should unglazed photograph the photodiode conducting, all can't open door lock).Usually can preestablish the number of times (as: three times or five times) that permission is unblanked continuously, and the effective time of at every turn unblanking (as: 10 seconds), if can not unblank in the number of times that allows to unblank continuously, then need wait for a period of time (as: 10 minutes) can unblank again.Compare with mechanical lock, Photoelectric lock has higher security performance, and the mode of unblanking is quick.

Claims

1. Photoelectric lock, it is characterized in that, comprise key, lock core, Electromagnetic lock and control circuit, be provided with light-emitting component and photo-sensitive cell in its lock core, corresponding light-emitting component and photo-sensitive cell are provided with guide lighting channel on the key, control circuit is connected with photo-sensitive cell, and according to the unlatching of the on off operating mode of photo-sensitive cell control Electromagnetic lock or close.

2. Photoelectric lock according to claim 1 is characterized in that, is provided with a guide lighting channel on the described key at least.

3. Photoelectric lock according to claim 1 is characterized in that, has the light path of the guide lighting channel formation conducting of a pair of light-emitting component, photo-sensitive cell and key in the described lock core at least.

4. according to claim 1 or 3 described Photoelectric locks, it is characterized in that described light-emitting component is a light emitting diode, photo-sensitive cell is photodiode or light resistor.

5. Photoelectric lock according to claim 1 is characterized in that, is provided with spacer pin and sliding pin in the described lock core, and the corresponding spacer pin of key front end is provided with the stop bit mouth.

6. Photoelectric lock according to claim 1 is characterized in that described control circuit connects a PIN PAD, and opens electromagnetic lock by the input password.

7. Photoelectric lock according to claim 1 is characterized in that, the controller in the described control circuit is single chip computer AT 89C2051-24PI.