CN2194955Y

CN2194955Y - Electronic door lock

Info

Publication number: CN2194955Y
Application number: CN 93232809
Authority: CN
Inventors: 张素敏
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-12-15
Filing date: 1993-12-15
Publication date: 1995-04-19
Anticipated expiration: 2003-12-15

Abstract

The utility model relates to an electronic lock. The utility model is composed of a main control module, a key code input module, a lock tongue driving module, a lock tongue braking device and a communication module, wherein, the key code input module, the lock tongue driving module, the lock tongue braking device and the communication module are connected with the various endpoints of the main control module. When the utility model is adopted, different keys can be adopted according to the needs of the different environment and the different situations of people, such as, an infrared photoelectric key, a photoelectric key, a key code key, etc. A computer in the utility model is utilized to inquire and identify key using people, and the computer is also utilized to distinguish whether the key is true or false; so the utility model can contact with each household or each doorkeeper in time, and the safety of each household can be guaranteed.

Description

Electronic door lock

A kind of electronic lock relates to the improvement of electronic lock.

The kind of electronic lock is more and more many now, because electronic lock has been save the trouble (big, heavy, easily bad clothes of hook etc.) of metal key, by people are favored.But,,, then be difficult to open the door of oneself once if people have forgotten because present electronic lock adopts the keypad code formula mostly; For the people who holds the photoelectric card key, can not random own wish change the spoon sign indicating number again, in case lose the photoelectricity card, cause trouble equally; What is more, because electronic lock commonly used now can not inform that all the people does not illegally advance to move into one's husband's household upon marriage by force, makes people can not in time take anti-theft measure.

The purpose of this utility model, be to provide a kind of electronic lock, can be with user's environment purpose requirement, select one or more copper spoons (promptly both available keypad code is made input spoon, also available photoelectric card key, also available infrared electro key) for use, both easy to carry, security performance is good, also can rewrite key cipher voluntarily by the user as required, and this electronic lock also can be imported and can inform that whether this door of owner attempted the program of situations such as illegally entering by the people simultaneously.

The utility model is to implement like this, by integrated component microcontroller 16C57 chip and a pierce circuit and the main control module of forming by the electrify restoration circuit that R1, C6 form 1, key sign indicating number input module 2, dead bolt driver module 3, dead bolt mechanical brake device 4, communication module 5 and off normal 6, lock housing is offed normal 7 observation circuits etc. forms the said electronic lock of the utility model.Wherein, insert key sign indicating number input module 2 on 17,25 pin of main control module, inserting dead bolt driver module 3 on 6,7,8,9 pin, 10,11,12,15, on the pin access communications module 5, insert on 19 pin lock housing off normal observation circuit 7, on 20 pin, insert the door observation circuit 6 of offing normal.

Below in conjunction with accompanying drawing in detail structure of the present utility model and use are described in detail

Fig. 1 is the said electronic lock circuit block diagram of the utility model,

Fig. 2 is the main control module circuit diagram of the said electronic lock of the utility model;

Fig. 3 is the said electronic lock key of a utility model sign indicating number input module circuit diagram;

Fig. 4 is the said electronic lock dead bolt of a utility model driver module circuit diagram;

Fig. 5 is the said electronic lock dead bolt of a utility model mechanical braking structure chart;

Fig. 6 is the said electronic lock communication module of a utility model circuit diagram.

As shown in Figure 1, the said electronic lock of the utility model is by main control module 1, key sign indicating number input module 2, dead bolt driver module 3, dead bolt mechanical brake device 4, communication module 5 and the door observation circuit 6 of offing normal, off normal observation circuit 7 of lock housing is formed, and is received on the dead bolt mechanical brake device 4 by the control signal of dead bolt driver module 3 simultaneously.Because the said electronic lock of the utility model has adopted monolithic 16C57 machine to make movement, therefore can also on 21,13,14,18,16 and 15 pin of main control module 1, insert doorbell 8, alarm bell controller 9, power-supply controller of electric 10, normally close the door module or circuit such as observation circuit 11, voice output device 12 and rest indicator lamp 13, this lock user can rewrite the spoon sign indicating number voluntarily according to the actual conditions of living for convenience, also is connected to one and writes yard device 14 on 5 pin of main control module 1.

As shown in Figure 2, main control module 1 is to have adopted read-write microcontroller 16C57 monolithic movement, on 26,27 pin of this movement, inserted oscillator of forming by C1, C2, C6 and the electrify restoration circuit of forming by R1, C3, after having imported the program of drafting, can normally work to guarantee main control module 1.

As shown in Figure 3, on the RC0-RC6 pin of main control module 1 of the present utility model, inserted one group of key sign indicating number input module 2, this input module 2 is to select circuit to insert respectively that photoelectricity reads in circuit 17, the button code-disc reads in circuit 15 and the infrared light sign indicating number reads in circuit 16 via the multichannel triple gate that Q1, Q3 form; The action of triple gate Q1, Q3 is then by RC7, the RB7 foot control system of main control module 1.Like this, can allow people select different keys according to different dwelling environment, as hotel, hotel etc., the safety of each door is transferred to the total platform of service and is responsible under the not specific situation of the big guest's identity of the volume of the flow of passengers, and is optional with photoelectric card key or key dish key; Under the situation that resident family's status is fixed (as family), then can select the infrared electro key for use, people place key sign indicating number input circuit with key, and the internal control program by main control module 1 is sent to signal in the dead bolt driver module 3.

As shown in Figure 4, dead bolt driver module 3 is on the RA0-RA3 of main control module 1 end, access by two with door Q9A, a Q9B, two triode M8, M9 and two controllable silicon S4, S5 and two from receiving the pintle hook lock fixed end 19 at dead bolt brake block 18 two ends, the control circuit that 20 contacts, pintle hook lock moved end constitute with door Q9A, Q9B, triode N8 and controllable silicon S4, N9 and S5 form two current control circuits in the other direction respectively, with the positive and negative rotation of direct current generator 25 in the control dead bolt mechanical brake device.

As shown in Figure 5, the mechanical dead bolt 24 with dead bolt brake block 18, brake block pintle hook lock fixed end 19, pintle hook lock moved end 20 and the charged sub-pintle hook lock locating hole 23 of protruding position that dead bolt mechanical brake device 4 drives by the substrate 21 that electronic lock circuit is housed, electronics pintle hook lock 22, by the rotating shaft of direct current generator 25 is formed, under normally off, because the electronics pintle hook lock colludes the shape head for 22 one-tenth, snap over 23 li of the pintle hook lock locating holes of mechanical dead bolt 24 during closure state, pintle hook lock fixed end 19 and pintle hook lock moved end 20 split the upper and lower at brake block 18.After the authentication computer key of door lock is errorless, send instruction, make dead bolt driver module startup work, promptly send and allow the instruction of direct current generator 25 left-handed rotations, the dead bolt brake block 18 that drives with protruding position by machine shaft rotates up, and makes on the electronics pintle hook lock 22 and lifts, leave the locating hole 23 of mechanical dead bolt 24, connect contact, pintle hook lock moved end 20 when the protruding position of dead bolt brake block 18, stop the action of direct current generator 25, at this moment, can open mechanical dead bolt 24 with mechanical key again, door is opened.

As shown in Figure 6, communication module 5 is to be used in above joint defence combination of two families or the passage that uses under the environment of security personnel's centralized management.Be mainly used in when double income and be away from home, measure is circulated a notice of in the warning when having the people to attempt to open the door with illegal identity.This is touched on the RB0-RB2 and RC5 end points that piece 5 is connected on main control module 1, by RB0, RB1 as spreading out of or access information.RB2, RC5 are connected on by on three priority authentication circuits of forming with door Q7C, a Q8C, Q8D, the priority requisition circuit is then born by two rest-set flip-flop Q8A, Q8B, two differential circuit Q10A, Q10B, Q10C, Q10D and two exclusive circuits of forming with door Q7A, Q7B, through power tube N15, the logical preceding family of one termination roll off the production line 26, what the other end was connected the family, back reaches the standard grade 27, makes whole household's communication lines of each family of joint defence or security personnel's centralized management form annular communication network architecture.

The said electronic lock of the utility model, owing to adopted read-write chip 16C57 to make microprocessor, when read-in programme, also write the door observation circuit 6 of offing normal, the lock housing observation circuit 7 of offing normal, doorbell 8, alarm bell controller 9, power-supply controller of electric 10, the observation circuit 11 of normally closing the door, voice output device 12 and rest indicator lamp 13 supervisors, form by several contacts or hall device respectively, whether illegally opened in order to decision gate, whether lock housing is illegally opened cautions such as recompile, allow the user in time adapt the key sign indicating number of oneself, strengthen the safety measure of door.

The utility model is to use like this: each electronic lock all can be furnished with one and change yard authorization code and spoon sign indicating number after manufacturer makes, and the user still can oneself change yard authorization code and spoon sign indicating number in actual use.If the domestic consumer generally can select infrared electro sign indicating number key for use, cooperate keypad code, import and authenticate the employed spoon sign indicating number of this lock, once after the key sign indicating number compiles and edits, can be with this family member's spoon sign indicating number unification.Because infrared light code key, it itself is a slight infrared transmitter, and the infrared light sign indicating number in the key sign indicating number input code block 2 to read in circuit 16 be exactly an infrared light receiver, therefore the domestic consumer with infrared light code key just as being with a little key of pen container usually, very convenient, security performance is strong simultaneously, and the stranger can not simply duplicate, and has also save the worry of the difficult memory of people electronic data.

When the user is read in circuit 16 with infrared light code key alignment infrared light sign indicating number, password meets, can start microcontroller 16C57 master chip, single-chip microcomputer sends enabling signal by the program of compiling and editing and gives dead bolt driver module 3, connect the direct current generator 25 of dead bolt mechanical brake device 4, electronics pintle hook lock 22 is lifted, eave tile leaves the locating hole 23 of mechanical dead bolt 24, can use mechanical key to open door, normally enter resident family.Owing at this moment be to enter the room with legal identity, so communication module 5 will not start, and do not have alarm bell to call out, but owing to be a undocked state at this moment, and the Gu Men observation circuit 6 of offing normal can emit a dulcet sound, and the notice Jiang Men of resident family closes.Insert key sign indicating number input module 2 in case there is the people to hold illegal key, attempt to open door, microcontroller 16C57 will not start dead bolt driver module 3, but connect communication module 5 by program, the communication network at the resident family of joint defence or security personnel place then has signal output with it, to remind other resident families or security personnel, this family has illegal key to insert in the door, therefore can solve actual conditions immediately.

In like manner, also can adopt the photoelectricity key or directly make door key with keypad code, this in the hotel or the hotel comparatively suitable.Because these tenants are unfixing, and input can only be used once as keypad code, secondary the ABC of sign indicating number of need rearranging behind the access door, this just is difficult for arbitrarily decoding for the mobile personnel, has guaranteed the safety of goods of resident family.

Adopted the said electronic lock of the utility model, can prevent effectively that illegal person from conveniently registering one's residence, can be under joint defence or centralized management situation, each family information of intercommunication, the peace of keeping tie mutually is the higher concentrated door lock with type of a kind of safety factor.

Claims

1, a kind of electronic lock, it is characterized in that by main control module (1), key sign indicating number input module (2), dead bolt driver module (3), dead bolt mechanical brake device (4), communication module (5) and the door observation circuit (6) of offing normal, the lock housing observation circuit (7) of offing normal is formed, wherein main control module (1) adopts microcontroller 16G57 chip and pierce circuit and by R1, the electrify restoration circuit that C6 forms is formed, key sign indicating number input module is connected on 17 of main control module (1), 25 pin, dead bolt driver module (2) is connected on 6 of main control module, 7,8,9 pin, communication module (5) is connected on 10 of main control module (1), 11,12,15 pin, the door observation circuit (6) of offing normal is connected on 20 pin of main control module, and the lock housing observation circuit (7) of offing normal is connected on 19 pin of main control module.

2,, it is characterized in that said key sign indicating number input module (2) is to read in circuit (17), button code-disc by photoelectricity to read in circuit (15) and infrared light code and read in circuit (16) and select circuit Q1, Q3 to receive RC7, the RB7 end of main control module (1) by the multichannel triple gate according to the said electronic lock of claim 1.

3, according to the said electronic lock of claim 1, it is characterized in that said dead bolt driver module (3) be from the RAO-RA3 end of main control module (1) by form by Q9A, Q9B, M8, M9, controllable silicon S4, S5 with spacing drive circuit in bi-directional, direct current generator (25), pintle hook lock fixed end (19) and pintle hook lock moved end (20) of receiving the dead bolt mechanical brake device are gone up and are formed.

4, according to the said electronic lock of claim 1, it is characterized in that said communication module (5) is to go into one by Q8A by the RB0-RB2 and the RC5 termination of main control module, the Q8B trigger, Q10A, Q10B, Q10C, Q10D differential circuit and Q7A, Q7B is with the request circuit of door composition with by Q7C, Q8C, the authentication circuit that Q8D forms is formed, RB0 wherein, the transmission line that use at the general family of RB1 termination, RB2, RC5 is connected on the authentication circuit, the output of request circuit is connected on reach the standard grade (27) at rolling off the production line (26) of preceding family and family, back respectively, is linked to be annular communication network with other each families.

5, according to claim 1 or 3 said electronic locks, it is characterized in that said dead bolt mechanical brake device (4) is by the substrate that the computer lock circuit is housed (21), electronics pintle hook lock (22), the band that is driven by the rotating shaft of direct current generator (25) is met the dead bolt brake block (18) of protruding position, brake block pintle hook lock fixed end (19), the mechanical dead bolt (24) of pintle hook lock moved end (20) and charged sub-pintle hook lock locating hole (23) is formed, wherein electronics pintle hook lock (22) becomes to collude the shape head, snap over pintle hook lock locating hole (23) lining of mechanical dead bolt (20) during closure state, pintle hook lock fixed end (19) and pintle hook lock moved end (20) split the upper and lower in brake block (18).

6,, it is characterized in that on 21,13,14,16,18 and 15 pin of main control module (1), to insert doorbell circuit (8), alarm bell controller (9), power-supply controller of electric (10), normally close the door observation circuit (11), sound out-put circuit (12) and rest indicator light circuit module or circuit such as (13) according to the said electronic lock of claim 1.