CN2425169Y

CN2425169Y - Electronic lock control device

Info

Publication number: CN2425169Y
Application number: CN 00228239
Authority: CN
Inventors: 叶挺青
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-05-26
Filing date: 2000-05-26
Publication date: 2001-03-28
Anticipated expiration: 2010-05-26

Abstract

The utility model is composed of a central processing unit (CPU), a DTMF decoder, a memory, an IC card socket, a lock switching circuit, a gas detecting data acquisition circuit, a bell detecting circuit, a speech prompt circuit, an automatic dialing circuit, a power rectifying circuit, a telephone line interface and a telephone interface. The utility model has the functions of IC card unlocking, remote unlocking through the telephone, indoor telephone locking, flue gas automatic alarm, etc. The utility model has the characteristics of complete function, convenient use, etc.

Description

A kind of electronic lock control device

The utility model relates to electronic technology field, belongs to the technology with IC-card or telephone cipher unlocking electronic lock.

Existing anti-theft door system is equipped with electronic lock more, and the owner who stays in above the building can talk with by Walkie talkie and guest downstairs, and can implement Long-distance Control and unblank, and allows the guest open the door and enters, and this device uses very convenient.

The purpose of this utility model is a kind of more convenient practicality of design, electronic lock control device with better function, this control device have use that IC-card is unblanked, remote phone password unlocking, the multiple mode of unblanking such as use that indoor electric phone button is unblanked, also have flue gas function such as warning automatically.

The utility model has that central processing unit (CPU), DTMF decoder, memory, IC-card socket, lock-switch circuit, coal gas detect data acquisition, ring detection, voice suggestion, dialing and power rectifier circuit and telephone line interface and telephone interface are formed automatically.Wherein central processing unit (CPU) plays a part control centre, the lock-switch circuit provides electronic lock control interface, coal gas detects data acquisition circuit flue gas detector interface is provided, DTMF decoder, memory, IC-card seat, lock-switch, coal gas are detected data acquisition circuit to be connected with central processing unit (CPU) respectively, ring detection, voice suggestion, automatic dial-up circuit connect with central processing unit (CPU) on the one hand, connect with telephone interface on the other hand.The catenation principle block diagram as shown in Figure 1.

During use, the control line of electronic lock is received on the electric control lock interface of the present utility model, smoke detector is connected to flue gas detects data acquisition circuit, telephone line is arrived telephone line interface, telephone line is received the telephone line interface, and connecting with the mains is ready complete machine.

The function and the operating principle of its each several part are as follows:

One, unblanks with IC-card

The IC-card that the user will be preset with password inserts in the IC-card socket, and central processing unit (CPU) reads the password in the IC-card immediately, and with the password contrast of inner setting, if conform to, then the lock-switch circuit working is connected the electronic lock power supply, and lock is opened.

Two, remote phone password unlocking

The user dials by mobile phone or landline telephone earlier and is connected with fixed telephone number of the present utility model, at this moment ring detecting circuit is started working and has been detected bell signal, feedback information is arrived central processing unit (CPU), some seconds of time-delay of central processing unit (CPU) (predefined time), still have bell signal if surpass this time, think that then ring unanswered, central processing unit (CPU) promptly control the connection telephone and simulate off hook state, wait for that the other side imports unlocking cipher;

If the other side is (predefined time) input password (prove and unblank) in some seconds, at this moment,

Central processing unit (CPU) is directly obtained encrypted message from telephone wire, send decoder translation back to compare with the password of setting, as conforms to, and then the lock-switch circuit working is connected the electronic lock power supply, and lock is opened.As not conforming to, then start voice warning circuit, take out information from memory and point out to the other side, after broken string automatically.

If the other side's (predefined time) in some seconds does not input password (proof is not unblanked) yet; Central processing unit (CPU) starts voice warning circuit, take out information from memory and send prompt tone to the other side, after broken string automatically.

Three, use indoor electric phone button to unblank

Utilize indoor electric phone button to unblank fairly simple, get final product by " # "+" # " (also can set other number) behind user's off-hook, at this moment, central processing unit (CPU) is directly obtained encrypted message from teleset line, send decoder translation back to compare, as conform to, then the lock-switch circuit working with the password of setting, connect the electronic lock power supply, lock is opened.

Four, coal gas leakage alarming.

When indoor gas leak, the coal gas testing circuit is obtained the gas concentration data from flue gas detector (also other checkout gear can be installed), send into central processing unit (CPU) after the processing, (CPU) reads warning message from memory by central processing unit, drive automatic dial-up circuit, by telephone dial the police emergency number (user mobile phone, BB machine or Work Telephone).

With existing electric control lock, IC card lock contrast, the utlity model has characteristics such as multiple functional, easy to use, under the situation that leaves behind key or inconvenient spoon with lock (as go on business or go to school), can use any type of telephone by the telephone remote password unlocking.

Example below by accompanying drawing is further described the utility model:

Fig. 1 is a theory diagram of the present utility model, and Fig. 2 is circuit theory diagrams of the present utility model.

The utility model has central processing unit (CPU), DTMF decoder 2, memory 3, IC-card socket 5, electronic lock switch circuit 8, flue gas data acquisition circuit 11, ring detecting circuit 7, voice warning circuit 6, automatic dial-up circuit 4 and rectification power circuit 13 and telephone line interface 9, telephone interface 10 to form.Wherein central processing unit (CPU) is selected AT89C52 for use, DTMF decoder 2 adopts MT8870, memory 3 adopts serial i 2C24C01, IC-card socket 5 adopts the IC standard deck, electronic lock switch 8 is made up of amplifying circuit and relay J 2 and electric control lock interface J8, survey data acquisition circuit 11 and be provided with the interface J11 that can be connected with the flue gas detector, above circuit is connected with central processing unit (CPU) respectively; Ring detecting circuit 7 adopt 4N25, voice warning circuit 6 by integrated circuit SD1100 forms, automatic dial-up circuit 4 employing HT9200A, they connect with central processing unit (CPU) on the one hand, connect with telephone interface 10 on the other hand, entire circuit provides required power supply by rectification power circuit 13.

During use, rectification power circuit 13 is received on 220 volts of AC powers, electronic lock is controlled line to be received on the electric control lock interface J8 of lock-switch circuit 8, the flue gas detector is connected on the flue gas detector interface J11 of flue gas data acquisition circuit 11, telephone line is arrived telephone line interface 9, telephone line is received telephone line interface 10, complete machine is ready.

In the time will unblanking with IC-card, the user inserts IC-card in the IC-card socket 5 by correct direction, central processing unit (CPU) just reads its carnet and levies at once from IC-card, relatively whether this feature is consistent with the parameter set in the system, if do not meet, central processing unit (CPU) then resets, if be consistent, central processing unit (CPU) reads the password in the encrypted area in the IC-card again at once, and with system in the password set contrast, if it is correct, then electronic lock switch circuit 8 makes relay J 2 actions, connects the electric control lock circuit, and electronic lock is opened, if be not inconsistent, system then resets.

In the time will using telephone remote unlocking, the user dials by telephone or mobile phone earlier and is connected with telephone number of the present utility model, at this moment ring detecting circuit 7 detects bell signal and feedback information is arrived central processing unit (CPU), central processing unit (CPU) time-delay is after 10 seconds, if ring unanswered's phone still, then relay 12 actions, connect telephone, the simulation off hook state, wait for that the other side imports unlocking cipher, at this moment (proof is not unblanked) 6 prompt tones of central processing unit (CPU) control voice warning circuit then if in 10 seconds, do not Enter Number, and broken string automatically.If in 10 seconds, Enter Number, system is just deciphered by 2 pairs of numbers of pressing of decoder, and send this number to central processing unit (CPU), the password of setting in central processing unit (CPU) and the system is made comparisons, if it is correct, electric control lock is opened in then electronic lock switch circuit 8 work, on the contrary system reset.

When unblanking with interphone, the user carries machine and inputs password, and central processing unit (CPU) is deciphered by decoding circuit 2.If key in then central processing unit (CPU) control electronic lock switch circuit 8 work of " # "+" # ", electric control lock opened.

When indoor leakage gas or other flue gas concentration reach the finite concentration value, coal gas detection data acquisition circuit 11 is obtained data from smoke detector and is given central processing unit (CPU) with feedback information after treatment, central processing unit (CPU) promptly reads in warning message from memory 3, by automatic dial-up circuit 4 warning message is sent on user's mobile phone, beeper or the phone by telephone wire.

Claims

1, a kind of electronic lock control device, central processing unit (CPU) is arranged, DTMF decoder (2), memory (3), IC-card socket (5), electronic lock switch circuit compositions such as (8), it is characterized in that: DTMF decoder (2), memory (3), IC-card socket (5), electronic lock switch circuit (8) connects with central processing unit (CPU) respectively, also be provided with ring detecting circuit (7) in addition, telephone line interface (9) and telephone interface (10), ring detecting circuit (7) connects with central processing unit (CPU) on the one hand, connects with telephone interface (10) on the other hand.

2, electronic lock control device according to claim 1 is characterized in that: also be provided with voice warning circuit (6), voice warning circuit (6) connects with central processing unit (CPU) on the one hand, connects with telephone interface 10 on the other hand.

3, electronic lock control device according to claim 1 and 2, it is characterized in that: also be provided with flue gas data acquisition circuit (11) and automatic dial-up circuit (4), flue gas data acquisition circuit (11) is connected with central processing unit (CPU), automatic dial-up circuit (4) connects with central processing unit (CPU) on the one hand, connects with telephone interface (10) on the other hand.