CN2286791Y

CN2286791Y - Electronic intelligent lock

Info

Publication number: CN2286791Y
Application number: CN 97205012
Authority: CN
Inventors: 刘叶冰; 冉平
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-01-08
Filing date: 1997-01-08
Publication date: 1998-07-29
Anticipated expiration: 2007-01-08

Abstract

The utility model provides an electronic intelligent lock which is composed of an electronic key, an identifying control circuit and an electromagnetic mechanism, wherein the electronic key is a passive digital chip which is sealed in a casing; the identifying control circuit is composed of a central processing unit, and a data storage circuit and a reset watchdog circuit which are connected with the central processing unit; an input terminal of a central processing chip is connected with a reading probe of the electronic key. The utility model is a novel electronic intelligent lock with the advantages of convenient use and high reliability, and the utility model can not be easily duplicated.

Description

A kind of electronic intelligent lock

The utility model relates to a kind of electromagnetic lock, particularly a kind of electromagnetic lock that adopts electron key.

Along with development of science and technology, electronic lock has been widely used in people's production, various fields in life.Wherein people are common figure disc lock, intercommunication automatic control lock, temperature (paper) kayser, magnetic card lock, IC card lock, the use of magnetic card lock is comparatively extensive in these products, but its easy magnetization lost efficacy and volume is big, magnetic card itself is easy to break, simultaneously owing to easily be replicated, confidentiality is poor, is therefore replaced by IC card lock.Though IC card lock have magnetic card lock incomparable advantage, but because it adopts is computer chip technology, relevant use data are stored on the computer chip as key, after it is had a mind to, is by mistake damaged, data of storage can be destroyed even be lost fully on it, also can be replicated to a certain extent in addition, so it can not satisfy the every needs of people to lock fully.

It is a kind of easy to use that the utility model provides, reliability height, and the novel electron that is difficult for being replicated intelligence lock.

The purpose of this utility model is achieved in that it comprises electron key, recognition control circuit and three part compositions of electromagnetic mechanism, and it is characterized in that: electron key is a no source digital chip that is packaged in the housing; Recognition control circuit is made up of central processing unit and the data storage circuitry that is attached thereto, the watchdog circuit that resets, and the input of central processing element is read probe with electron key and linked to each other.

The utility model adopts no source digital chip as key, and chip itself comprises one 64 bit machine sign indicating number, and this sign indicating number once generates during fabrication, and the user can't duplicate, so its good confidentiality, is difficult for being replicated; Chip structure is simple in addition, and is packaged in the housing, therefore use, be difficult in the keeping process destroyed, so should lock easy to use, the reliability height.

Below in conjunction with accompanying drawing in detail the utility model is described in detail.

Fig. 1 is the utility model electron key structural representation.

Fig. 2 is the utility model recognition control circuit functional-block diagram.

Fig. 3 is the circuit diagram of Fig. 2.

As shown in the figure, the utility model comprises electron key, recognition control circuit and electromagnetic mechanism three parts composition, recognition control circuit and electromagnetic mechanism are fixed on body of wall or the door body, and the electromagnetic mechanism that the utility model adopts is a prior art, and present embodiment does not elaborate; Electron key is become by the no source digital chipset of columniform closure casing and Qi Nei, no source digital chip adopts the DS2400/2401 (contain the surface and seal dress) that comprises 64 bit machine sign indicating numbers, the closure casing 1 of electron key is provided with two metal rings 2, is used for recognition control circuit reading no source digital chip; Recognition control circuit is made up of central processing unit and the data storage circuitry that is attached thereto, reset watchdog circuit and communicating circuit, the input of central processing unit reads probe with electron key and temperature detection links to each other with infrared detection signal, and communicating circuit can directly also can link to each other with computer by anti-clutter circuit as shown in this embodiment.Central processing unit U1 of the present utility model is a core component, its model is AT89C2051 or AT89C1051, adopt this kind chip electronic lock to have the communication function PIC16C56 or the Z86E06/87C751 of communication function (also can adopt do not have), 10 pin of this chip, 11 pin read probe with electron key and link to each other; Data storage circuitry is made up of U2 and peripheral circuit thereof, U2 is EEPROM, the effect of this circuit is to be used for preserving all this lock management and control data, and the U2 of present embodiment adopts has 24LC04B or 24LC04A, (model of U2 also can adopt 24LC08 or the 24LC02 that is not with communication function); Communicating circuit is made up of U3, and its model is: MAX485 or MAX487 or MAX1487, and its 6 pin links to each other with anti-clutter circuit with 7 pin, this circuit is made up of Z1, Z2, Z3, Z4 and R11, R12, R13 and C3); U4 and N3 phase inverter composition reset and see gate circuit, are used for resetting of recognition control circuit deadlock, and U4 chip model is MAX823 or X25045, and the model of N3 is: C9013; N1 (ZSC2655) and N2 (C9012) are for carrying drive circuit again; S1 and S2 are respectively red, green light emitting diode, and green light is bright when inserting effective key, and red light is bright during warning;

Terminal

1,2 jointing temp respectively detects and infrared mobile detection probe, and the

13 and 12 with U1 joins again; Terminal L1 and L2 meet Electromagnetic Control mechanism.

Claims

1. electronic intelligent lock, it comprises that electron key, recognition control circuit and three parts of electromagnetic mechanism form, it is characterized in that: electron key is a no source digital chip that is packaged in the housing; Recognition control circuit is made up of central processing unit and the data storage circuitry that is attached thereto, the watchdog circuit that resets, and the input of central processing unit is read probe with electron key and linked to each other.

2. electronic intelligent lock as claimed in claim 1 is characterized in that: electron key is become by the no source digital chipset of columniform closure casing and Qi Nei, and closure casing is provided with two metal rings, is used for recognition control circuit reading no source digital chip.

3. electronic intelligent lock as claimed in claim 1 or 2 is characterized in that: no source digital chip adopts the DS2400/2401 (contain the surface and seal dress) that comprises 64 bit machine sign indicating numbers.

4. electronic intelligent lock as claimed in claim 1 is characterized in that: central processing unit links to each other with communicating circuit, and communicating circuit links to each other with computer.

5. electronic intelligent lock as claimed in claim 1 is characterized in that: the model of central processing unit is AT89C2051 or AT89C1051.

6. electronic intelligent lock as claimed in claim 1 is characterized in that: the model of central processing unit is PIC16C56 or Z86E06/87C751.

7. as claim 1 or 5 described electronic intelligent locks, it is characterized in that: 10 pin, 11 pin of central processing unit link to each other with electron key.