CN203603621U

CN203603621U - Encoded electronic intelligent mechanical lock

Info

Publication number: CN203603621U
Application number: CN201320711561.3U
Authority: CN
Inventors: 施冠生; 黄礼德
Original assignee: NANNING LIMIN ELECTRONIC TECHNOLOGY Co Ltd
Current assignee: NANNING LIMIN ELECTRONIC TECHNOLOGY Co Ltd
Priority date: 2013-11-12
Filing date: 2013-11-12
Publication date: 2014-05-21
Anticipated expiration: 2023-11-12

Abstract

The utility model relates to an encoded electronic intelligent mechanical lock which comprises a key, a lock case and a lock cylinder arranged in the lock case. The key comprises a key handle and a key head, an encoded chip and four contact points extending to the surface of the key from the encoded chip are arranged in the key, two contact points extending to the surface of the key handle are encoding contact points, and the other two contact points extending to the surface of the key head are input and output contact points. The lock cylinder is provided with two contact points corresponding to the two input and output contact points of the surface of the key head when the key stretches into the lock cylinder, the two contact points of the lock cylinder are connected with a decoding controller in the lock case, and the decoding controller is further connected with an alarm device and a solenoid valve. The mechanical lock can be opened through encoding and decoding, encoding can be carried out again when the key is lost, and theft prevention is enhanced.

Description

A kind of code electronic intelligence mechanical lock

Technical field

The utility model relates to a kind of electronic intelligent lock, particularly a kind of code electronic intelligence mechanical lock.

Background technology

Traditional mechanical lock, comprises lock set and key, unblanks the coordinating to realize of the lockhole by key and lock set, due to key groove transreplication, as long as the groove of key and the corresponding engaging of groove in mechanical lock can be unblanked; Or the fixture block prizing in tapered end can open it, safety is not high.

Existing theftproof lock, when meeting master key or universal mechanical unlocking technique unblank by force in the time deploying troops on garrison duty, can not identify key voluntarily and let alone freely to open, can not produce automatic alarm and lock, so can freely enter cloth defence area, theftproof lock does not play due effect.

And stolen by people when the key of theftproof lock, in order to avoid theft, whole lock can only be changed to the cumbersome like this and material resources that waste financial resources.

Utility model content

In order to overcome the deficiency in background technology, invent a kind of code electronic intelligence mechanical lock, this lock is undertaken antitheft by coding and decoding, when key is lost, can be undertaken antitheft by recompile.

For solving the problems of the technologies described above, the utility model provides following technical scheme:

A kind of code electronic intelligence mechanical lock, comprise key, lock housing and be installed on the lock core in lock housing, described key comprises key handle and key bit, wherein: code chip is housed and by extend four contacts of surfaces of keys of coding chip in described key, wherein extend two contacts on key handle surface are coding contact, and two contacts on two other key bit surface of extending are input and output contact; Described lock core is provided with in the time that key stretches into lock core and two two contacts that input and output contact is corresponding, key bit surface, and two contacts of described lock core are connected with the decode controller being installed in lock housing, and decode controller is also connected with alarm and electromagnetic valve;

Wherein, electromagnetic valve device, in the other lock housing of lock core, and connects a projection, and lock core offers the groove corresponding with projection, and in the time that key puts in lock core successfully decoded, electromagnetic valve projection exits groove, can unblank, and in the time decoding unsuccessfully, alarm equipment alarm.

Preferably, the model of described coding chip is EV1257.

Preferably, the door chip that described decode controller comprises decoding chip and docks with decoding chip, described decoding chip is connected with coding chip by contact, and described door chip is connected respectively and is controlled electromagnetic valve and alarm by two triodes.

Preferably, the model of described decoding chip is PT2272.

Preferably, the model of described door chip is CD4011.

Be compared with the prior art, the utlity model has following characteristics and advantage:

1, the utility model code electronic intelligence mechanical lock, antitheft in conjunction with carrying out by coding and decoding chip and control valve, even if key is lost, in order to prevent that others from taking key and stealing, can carry out recompile to the coding and decoding chip in key and lock housing, to such an extent as to use manpower and material resources sparingly.

2, the further advantage of the utility model is that the contact of the coding chip of key directly extends to surfaces of keys, conveniently carries out recompile.

3, the further advantage of the utility model alarm that has been device is reported to the police in the time that key is not inconsistent.

Accompanying drawing explanation

Fig. 1 is the utility model code electronic intelligence mechanical lock structure schematic diagram;

Fig. 2 is the utility model code electronic intelligence mechanical lock electrical principle connection layout;

Wherein: 1, lock housing; 2, decode controller; 3, lock core; 4, key; 5, electromagnetic valve; 6, circular protrusion; 7, the first contact; 8, the 3rd contact; 9, the 4th contact; 10, the second contact; 11, the 6th contact; 12, the 5th contact; 13, decoding chip; 14, door chip; 15, coding chip; 16, the first triode; 17, the second triode; 18, alarm; 19, power end; 20, circular groove; 21, key handle; 22, key bit.

The specific embodiment

Further describe the utility model referring to accompanying drawing and in conjunction with the specific embodiment, to make those skilled in the art can implement according to this with reference to manual word, the utility model protection domain is not limited to the specific embodiment of the present utility model.

As shown in Figure 1, a kind of code electronic intelligence mechanical lock, comprise key 4, lock housing 1 and be installed on the lock core 3 in lock housing 1, described key 4 comprises key handle 21 and key bit 22, wherein: the coding chip 15 of code is housed and by extend four contacts on key 4 surfaces of coding chip 15 in described key 4, the model of described coding chip 15 is EV1257, wherein extend the first contact 7 and second contact 10 on key handle 21 surfaces is coding contact, the 3rd contact 8 on two other key bit 22 surfaces of extending for input contact and the 4th contact 9 be output contact, described lock core 3 is provided with in the time that key 4 stretches into lock core 3 and key bit 22 two the 5th contact 12 and the 6th contacts 11 that input and output contact is corresponding, surface, and two contacts of described lock core 3 are connected with the decode controller 2 being installed in lock housing 1, the door chip 14 that described decode controller 2 comprises decoding chip 13 and docks with decoding chip 13, the model of described decoding chip 13 is PT2272, the model of described door chip 14 is CD4011, described decode controller 2 is also provided with power end 19, power end 19 is connected with the 5th contact 12, dock with the 3rd contact 8 the 5th contact 12, described decoding chip 13 is by the 6th contact 11, the 4th contact 9 docking are connected with coding chip 15, described door chip 14 is connected respectively and is controlled electromagnetic valve 5 and alarm 18 by two triodes,

Wherein, electromagnetic valve 5 is installed in the other lock housing 1 of lock core 3, and connect a circular protrusion 6, and lock core 3 surfaces offer the circular groove corresponding with circular protrusion 6 20, circular protrusion 6 is arranged in circular groove 20, in the time that key 4 puts in lock core 3 successfully decoded, electromagnetic valve 5 circular protrusion 6 exit circular groove 20, can be rotated and unblank by key 4, in the time decoding unsuccessfully, electromagnetic valve 5 circular protrusion 6 do not exit circular groove 20, and key 4 can not rotate, and the alarm 18 of device in lock housing reported to the police.

Described code electronic intelligence mechanical lock circuit structure and principle are:

As shown in Figure 1-2, coding chip 15 models in key 4 are EV1257,5,6,7,8 of described coding chip 15 is manual OPADD code pin, after coding, be connected with the 3rd contact by wire, the coding pin that described 1,2 pin are chip, and 1 pin is connected with the first contact by wire, and 2 pin are connected with the second contact by wire, 4 pin are the output pin of chip, are connected with the 4th contact.

Decoding chip 13 on decode controller 2 is that PT2272 and door chip 14 are CD4011, decoding chip 18 pin connect power supply, decoding chip 1-8 pin carries out hand-coding, connection power end or ground end carry out manual ' 0 ', ' 1 ' coding, and with 1 of coding chip EV1257, the code that 2 pin are compiled is corresponding, decoding chip 14 pin are connected with the 6th contact, decoding chip 10-13 carries out hand-coding, the address code of compiling is identical with decoding chip, after coding, export to a chip 2 pin by wire, decoding chip 17 pin are connected with door chip 1 pin, door chip 14 pin are connected with power end and the base stage of 4 foot control system the first triodes, the first triode is designed to high level conducting, and emitter stage connected electromagnetic valve, and door chip 11 pin are communicated with the second transistor base, and emitter stage is connected with alarm, described alarm is loudspeaker.

First coding chip is carried out to the hexadecimal code of 1,2 pin and the address code of 5-8 pin coding, then the 1-8 pin of decoding chip PT2272 is carried out to manual binary coding, the code that its conversion hexadecimal is compiled with

coding chip

1,2 pin is identical, and 10-13 pin is manually compiled to address code and identical with coding chip 5-8 pin address code.

The power end of decode controller is connected to power supply, when key enters that lock core the 3rd contact is docked with the 5th contact and after the 4th contact docks with the 6th contact, after decoding chip 1-8 pin coding is identical with coding chip 1-2 pin coding, 17 one of pin output high level give door chip 1 pin and the address code of decoding chip 10-13 pin export when identical with the address code of coding chip 5-8 a high level to high level to chip 2 pin, otherwise export respectively a low level, when door chip 1, when 2 pin are received 11 level, a high level of 4 pin outputs is to first its conducting of transistor base control, electromagnetic valve work, when

door chip

1, 2 pin receive 10, when 00(does not mate as other key inserts, chip mess code output 10, 00) when level, a low level of 11 pin outputs is to the second transistor base, control its conducting, alarm equipment alarm.

The utility model code electronic intelligence mechanical lock, antitheft in conjunction with carrying out by coding and decoding chip and control valve, though key lose, in order to prevent that others from taking key and stealing, can carry out recompile to the coding and decoding chip in key and lock housing, to such an extent as to use manpower and material resources sparingly; The contact that further advantage is the coding chip of key directly extends to surfaces of keys, conveniently carries out recompile.

Claims

1. a code electronic intelligence mechanical lock, comprise key, lock housing and be installed on the lock core in lock housing, described key comprises key handle and key bit, it is characterized in that: code chip is housed and by extend four contacts of surfaces of keys of coding chip in described key, wherein extend two contacts on key handle surface are coding contact, and two contacts on two other key bit surface of extending are input and output contact; Described lock core is provided with in the time that key stretches into lock core and two two contacts that input and output contact is corresponding, key bit surface, and two contacts of described lock core are connected with the decode controller being installed in lock housing, and decode controller is also connected with alarm and electromagnetic valve;

2. code electronic intelligence mechanical lock according to claim 1, is characterized in that: the model of described coding chip is EV1257.

3. code electronic intelligence mechanical lock according to claim 1, it is characterized in that: the door chip that described decode controller comprises decoding chip and docks with decoding chip, described decoding chip is connected with coding chip by contact, and described door chip is connected respectively and controlled electromagnetic valve and alarm by two triodes.

4. code electronic intelligence mechanical lock according to claim 3, is characterized in that: the model of described decoding chip is PT2272.

5. code electronic intelligence mechanical lock according to claim 3, is characterized in that: the model of described door chip is CD4011.