CN2062751U

CN2062751U - Electronic-mechanicl lock

Info

Publication number: CN2062751U
Application number: CN 89220486
Authority: CN
Inventors: 梁明海; 张增芳; 李菲菲
Original assignee: ELECTRONIC TECHNOLOGY INST GUANGXI POLYTECHNIC COLLEGE
Current assignee: ELECTRONIC TECHNOLOGY INST GUANGXI POLYTECHNIC COLLEGE
Priority date: 1989-12-01
Filing date: 1989-12-01
Publication date: 1990-09-26

Abstract

The utility model discloses an electronic-mechanical lock, comprising a lock body part, an electromagnetic mechanism, an electronic circuit part, and a keyboard part. Password is input by the keyboard part, the identification is carried out by the electronic circuit, and the coil L of the electromagnetic mechanism is controlled by an identification signal to suck pins. The lock can be used as an electronic lock and combination of an electronic lock and a mechanical lock. The electronic-mechanical lock has the functions of an alarm and a doorbell and the advantages of simple structure, convenient operation, changeable password, high security, wide voltage range, and strong anti-interference ability.

Description

Electronic-mechanicl lock

The utility model relates to a kind of electromechanical lock.

Existing lock generally has only single function, is that mechanical lock is exactly single mechanical lock, is that electronic lock is exactly single electronic lock, and two kinds of locks can not combine.

The purpose of this utility model just provides a kind of electronic lock that has, and the electromechanical lock of multiple function such as alarm makes it both can use as electronic lock separately, and the form that can be used as electronic lock and mechanical lock interlocking is again used, and is safe and reliable.

Solution of the present utility model is such, this lock includes lock body part, electromagnetic mechanism, electronic circuit part and keyboard portion, be by keyboard portion input password, electronic circuit is discerned, and the coil L of identification signal control electromagnetic mechanism inhales untie-sell nail (4), and pin (4) is arranged on the key bit (3) of lock body part and goes up and intersect with key core (7).Different directions on key core (7) has two holes, and the position in these two holes and pin (4) adapt, and one of them hole is in the electric mechanical lock position, promptly get when electric as electromagnetic coil L, pin (4) is picked up, if this moment, skewer was gone into key, pin (2,5) by key jack-up, but key just drivening rod (6) is rotated and is unblanked, when coil L does not have electricity, key is arranged but since pin (4) do not pick up, key core (7) can not rotate, and door lock is not opened.If keyboard input password is correct, coil L has electricity, does not have key key core (7) to be opened by door, and this just has the function of electronic lock and mechanical lock interlocking.When key core is turned over 180 ° of installations, it is corresponding with pin (4) that key core (7) is gone up the another one hole, be the electronic lock simple function this moment, have only from keyboard input password when correct, coil L get electric suction untie-sell nail (4) just energy key core (7) open the door.

Electronic circuit partly is to be core with counter IC, count pulse is by input keyboard (K1 ... K10) control, (this example is the Y0 end of counter IC) is connected to the time-delay delay switching circuit of being made up of transistor T 1, resistance R 1, capacitor C 1 at first password place of input keyboard.Through the discharge of capacitor C 1 time-delay, if press set password at the appointed time, so, transistor T 1 is ended by the conducting change when pressing lower keyboard K4, and the CR of counter IC holds and uprises level, the counter IC zero clearing that resets.Have only at the appointed time by intact whole passwords, the Y4 of counter IC end is just exported high level and is worked by transistor T 1, T2 drive coil L.

Keyboard portion is that a plurality of input button (K1 are set ... K10), input keyboard (K1 ... K10) exit all is connected to contact pin, by some that changes keyboard portion draw with circuit in the order of connection of IC pin can realize changing unlocking cipher, during coding, be connected with the corresponding Y end of IC drawing contact pin, just can constitute password.For example: if with input keyboard (K1, K2, K3, K4) draw contact pin respectively with the (Y0 of IC, Y2, Y3) end connects, and constituting password is 4321, and all the other keyboards are error code, have only at the appointed time in proper order by intact 4321 passwords, the Y4 end of IC just uprises level, and the work of control coil L just can be unblanked.

The utility model is in the outdoor K switch 11 that is provided with, and the control on/off is provided with K switch 12 in door, the control alarm work.When K switch 12 was connected, alarm was by delay circuit capacitor C 3, transistor T 4 controls.If do not press at the appointed time password, then chimes of doom takes place in alarm work.If by password is opened behind the door, K switch 12 is disconnected at the appointed time, alarm is not just worked.

The utility model has the advantages that have mechanical lock, multiple functions such as electronic lock, alarm, both can use as electronic lock separately, the form that can be used as electronic lock and mechanical lock interlocking again is safe and reliable, password can arbitrarily change, strong security, voltage range is wide, and antijamming capability is strong.

Embodiment of the present utility model as shown in drawings.

Accompanying drawing 1 is the key bit structural representation.

Accompanying drawing 2 is electronic control circuit figure.

Accompanying drawing 3 is alarm control circuit figure.

In the present embodiment, counter IC adopts CD4017, utilizes the Y0 of IC, Y1, Y2, the Y3 end constitutes four passwords, utilizes same principle, can constitute the password below ten, all the other pin can be vacant need not.In keyboard circuit, if utilize a keyboard to make the music door-bell switch, connect doorbell circuit, just can increase the doorbell function.

The available at ordinary times civil power alternating current 220V of the power supply of present embodiment power supply can be enabled reserve battery when having a power failure.

Claims

1, a kind of electromechanical lock, include lock body part, electromagnetic mechanism, electronic circuit part and keyboard portion, it is characterized in that button (K1 ... K10) form cipher inputting keyboard, electronic circuit IC judges identification to the input password, the coil L of identification signal control electromagnetic mechanism is by the electromagnetic attracting force pin (4) of coil L; The key bit (3) that pin (4) is arranged on lock body part upward and with key core (7) intersects.

2, electromechanical lock according to claim 1 is characterized in that the different directions on key core (7) has two holes that adapt with pin (4).

3, multifunction electronic mechanical lock according to claim 1 and 2, it is characterized in that said electronic circuit partly is is core with counter IC, the counting of counter IC is controlled by keyboard portion, and the output of counter IC is through transistor (T2, T3) control electromagnetic coil L, the Y of IC.Termination has resistance R 1, capacitor C 1, and transistor T 1 is formed the time-delay delay switching circuit.

4, electromechanical lock according to claim 3 is characterized in that the line of drawing the IC pin in contact pin and the circuit by some that changes keyboard portion can realize changing unlocking cipher in proper order.

5, electromechanical lock according to claim 4, the alarm that it is characterized in that the electronic circuit part are the delay circuit control that is made of capacitor C 3 transistor Ts 4.