CN102979382A

CN102979382A - Light-operated password mechanical pin tumbler lock

Info

Publication number: CN102979382A
Application number: CN2012105654506A
Authority: CN
Inventors: 于连贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-12-24
Filing date: 2012-12-24
Publication date: 2013-03-20

Abstract

The invention relates to a light-operated password mechanical pin tumbler lock which comprises inner and outer lock cylinders of the mechanical lock, a top and bottom lock, an IC (Integrated Circuit) control circuit, control switches SQ1 and SQ2, electromagnetic switches KA and KA1, LEDs and photodiodes. The control switch SQ1 controls the electromagnetic switch KA; the control switches SQ2 controls the IC control circuit; the IC control circuit controls the electromagnetic switch KA1; the electromagnetic switch KA1 controls the electromagnetic switch KA; the electromagnetic switch KA controls the top and bottom lock connected with the lock cylinders; the inner and outer lock cylinders of the mechanical lock are provided with a plurality of holes in the direction perpendicular to a key, wherein part of holes correspond to a key hole to form lock cylinder codes; the LEDs and the photodiodes are respectively arranged in the positions of the holes on both sides of the outer lock cylinder and are connected with the IC control circuit; and the IC control circuit is a password control circuit consisting of an IC555 circuit, an IC4044 circuit and an electromagnetic switch and is used for controlling lock cylinder code signals to fulfill the aim of opening and closing a door. According to the invention, the success rate of randomly opening the lock is nearly zero, an electronic code lock cannot be unlocked in a technical unlocking manner, and the light-operated password mechanical pin tumbler lock is safe and reliable.

Description

Light-operated cipher code mechanical cylinder lock

Technical field

The present invention relates to lockset, especially relate to a kind of light-operated and integrated coded lock of mechanical cylinder lock.

Background technology

At present, lock is nothing more than there being two kinds, and a kind of is present modal mechanical cylinder lock.Mechanical cylinder lock now divides A level and B level and super B level etc., and cylinder lock uses in cylinder lock usually.The central authorities of cylinder lock are the holes of a tubular, in be placed with the tubular lock core.Billiards lock structure is most widely used a kind of lock structure, adopts the lock of billiards structure to be called cylinder lock.Cylinder lock came out existing more than 150 year so far, at present still in extensive use, was more common on the market a kind of lockset.Yet just owing to the extensive utilization of cylinder lock technology, the drawback of cylinder lock is also more and more obvious, because expose the pellet end and impulse stroke is short, pellet can directly be touched by foreign matter (steel wire hook etc.), easily opens; Non-lock key all can enter lock core, easily causes by means of key and opens mutually and the key tooth does not wait and opens mutually etc.; Also just like lock core is bored or destroys, the lock of need not requiring great effort is easy to open.

Another kind is electronic password lock.Electronic password lock is a kind ofly to come control circuit or chip operation by Password Input, thus the closure of control mechanical switch, finish unblank, the electronic product of locking task.Its kind is a lot, and easy circuit product is arranged, and also has based on the higher product of the cost performance of chip.Using wider electronic password lock now is as core, by what programme to realize take chip.Its disadvantage is to input password by the people, and old man and child are difficult for remembeing; Password is easily stolen by the people; The coded lock that has uses magnetic card, fingerprint etc. to unblank, and uses inconvenience, and everybody is beyond affordability, is reluctant to use; Once have a power failure, coded lock is out of use.

Summary of the invention

The purpose of this invention is to provide a kind of light-operated cipher code mechanical cylinder lock, in conjunction with cylinder lock and electronic password lock characteristics separately, it is key operated easily by characteristics that everybody accepted to have possessed used for spring lock, also possessed the electronic password lock good confidentiality, encoding amount is many, be far longer than cylinder lock, the success rate of unblanking at random is almost nil, can't open by technology unlocking the characteristics such as electronic password lock.

For achieving the above object, the invention provides a kind of light-operated cipher code mechanical cylinder lock, the interior outer lock core that comprises mechanical lock, Tiandi lock, it is characterized in that: also comprise the IC control circuit, gauge tap SQ1, SQ2, electromagnetic switch KA, KA1, light emitting diode, photodiode, gauge tap SQ1 control electromagnetic switch KA, gauge tap SQ2 control IC control circuit, IC control circuit control electromagnetic switch KA1, electromagnetic switch KA1 control electromagnetic switch KA, the Tiandi lock that electromagnetic switch KA control lock core links to each other, have several holes on the interior outer lock core of mechanical lock with on the key vertical direction, the corresponding formation lock core coding with keyhole in part hole is wherein arranged, place, the hole difference of outer lock core both sides separately diode installed is connected with the IC control circuit with photodiode, the cipher control circuit that the IC control circuit is comprised of IC555 circuit and IC4044 circuit and electromagnetic switch, be used for the control of lock core code signal, reach the purpose of switch gate.

Light-operated cipher code mechanical cylinder lock of the present invention is in conjunction with cylinder lock and electronic password lock characteristics separately, it is key operated easily by characteristics that everybody accepted to have possessed used for spring lock, also possessed the electronic password lock good confidentiality, encoding amount is many, be far longer than cylinder lock, the success rate of unblanking at random is almost nil, can't open electronic password lock by technology unlocking, and is safe and reliable.

Description of drawings

Fig. 1 is structured flowchart of the present invention;

Fig. 2 is the circuit theory diagrams of IC control circuit.

The specific embodiment

With reference to Fig. 1, the present invention includes interior outer lock core, Tiandi lock, IC control circuit, gauge tap SQ1, SQ2, electromagnetic switch KA, KA1, light emitting diode, the photodiode of mechanical lock, gauge tap SQ1 control electromagnetic switch KA, gauge tap SQ2 control IC control circuit, IC control circuit control electromagnetic switch KA1, electromagnetic switch KA1 control electromagnetic switch KA; The Tiandi lock that electromagnetic switch KA control lock core links to each other, key is injected in the lock core, penetrate interior outer lock core and the key light that to have 4 diameters be 2mm and consist of the lock core coding by the hole, pull out key, penetrate the interior outer lock core hole that to open 4 diameters be 2mm again, outer lock core two sidelights are connected with photodiode or N light resistor by place, hole difference diode installed) be connected with the IC control circuit, the IC control circuit is used for the control of lock core code signal, reaches the purpose of switch gate.

Fig. 2 is the circuit theory diagrams of IC control circuit.Do a light-control electronic switch with the IC555 circuit.Conducting or the cut-off of IC555 control SCR use photodiode (light resistor) as optical sensor.When lumination of light emitting diode was received by photodiode, IC555 the 3rd pin was in high level, SCR conducting, electromagnetic switch S adhesive.When photodiode does not receive the light time, IC555 the 3rd pin is in low level, not conducting of SCR, and electromagnetic switch S disconnects.

The IC4044 circuit is a cipher lock circuit, with IC4044 control electromagnetic switch KA1.Circuit is comprised of password electromagnetics switch S 1-Sn that (S1-S4 is valid password; S5-Sn is invalid password, is the forced resetting switch).

S1-S4 connects respectively the set end of 4 R-S triggers in the IC4044, and S5-Sn is connected in parallel on 4 reset terminals of IC.IC is at reset mode, the equal output low level of its Al-A4 output, and the equal conducting of VDl-VD4, Vl and V2 are that low level is ended because of the base stage of Vl, electromagnetic switch KA1 is in release conditions (electromagnetic switch KA is in the lock state, and door is not opened).

When electromagnetic switch S1-S4 adhesive, the S1-S4 end of IC all adds low level pulse, make the set that is triggered of 4 R-S triggers, the Ql-Q4 end of IC is all exported high level, VDl-VD4 is all ended, after the base stage of Vl becomes high level, Vl and V2 conducting, electromagnetic switch KA adhesive (electromagnetic switch KA is in attracting state, and door can be opened).

If any adhesive among the electromagnetic switch S5-Sn, 4 equal forced resettings of R-S trigger then, the Ql-Q4 output of IC all becomes low level, and electromagnetic switch KA1 is in release conditions (electromagnetic switch KA is in the lock state, and door is not opened).Therefore, only have to allow exactly this 4 unlocking cipher electromagnetic switch adhesive of S1-S4, password could be locked a door and open.

If whole down circuitry, control electromagnetic switch (KA) is in the release off-state, the top of door or following Tiandi lock (keeper) also are in free state, and also to open door lock, the light-operated cipher code mechanical cylinder lock of this moment is got back to again original mechanical billiard lock status to available valid password key.

Operating principle:

When door performed fighting in a flash the time, gauge tap (SQ1) and gauge tap (SQ2) moment connect, at first adhesive of electromagnetic switch (KA), electromagnetic switch (KA1) is in the ankylose state, the top of door or following Tiandi lock (upper keeper or lower keeper, top lock or following lock, lock a little or lower lock point) be by locked, do not open this moment.Only have with the valid password key when unblanking, electromagnetic switch (KA1) is disconnected, allow electromagnetic switch (KA) no power, be in off-state, door just can be opened; Otherwise when unblanking, even open lock, electromagnetic switch (KA1) can not make electromagnetic switch (KA) disconnect if not the valid password key, and the Tiandi lock of the top of door or bottom is by locked, and this moment, door was not opened yet.

When unblanking, N light emitting diode is simultaneously luminous, and 4 holes can make light pass through (these 4 holes and 4 holes of key are one to one) but only have wherein, and all the other 4 holes are sheltered from by key, and are light tight.The light that send in these 4 holes is received by 4 photodiodes corresponding to lock core opposite side, makes the photodiode conducting, and optical signal becomes the signal of telecommunication, controls the IC control circuit, and the IC control circuit is controlled electromagnetic switch (KA1), and electromagnetic switch (KA1) is disconnected.Otherwise, do not satisfy above-mentioned condition, electromagnetic switch (KA1) closure.If remaining 4 light emitting diodes wherein have one or more light that send wherein to be had one or more to receive by 4 photodiodes of lock core opposite side, electromagnetic switch (KA1) closure.

At link to each other with the lock core top of door or following Tiandi lock (upper keeper or lower keeper; Top lock or following lock) on two gauge tap SQ1 and SQ2 are arranged, also have an electromagnetic switch (KA) control top or following Tiandi lock.When electromagnetic switch (KA) disconnected, the top of door or following Tiandi lock (keeper) also were in free state, and this moment, door can be opened; When electromagnetic switch (KA) during in closure, the top of door or following Tiandi lock (keeper) also are in locking state, and this moment, door was not opened.

If the valid password key is when unblanking, gauge tap SQ1 and SQ2 conducting, the conducting of IC control circuit, electromagnetic switch (KA1) disconnects, and electromagnetic switch (KA) no power is to be in off-state, and door is to open; If when non-effective key unlocking, gauge tap SQ1 and SQ2 conducting, not conducting of control circuit (IC), electromagnetic switch (KA1) is in closure state, then controls electromagnetic switch (KA) energising, and control electromagnetic switch (KA) is in closure state, be in locking state, this moment, door was not opened.

Claims

1. light-operated cipher code mechanical cylinder lock, the interior outer lock core that comprises mechanical lock, Tiandi lock, it is characterized in that: also comprise the IC control circuit, gauge tap SQ1, SQ2, electromagnetic switch KA, KA1, light emitting diode, photodiode, gauge tap SQ1 control electromagnetic switch KA, gauge tap SQ2 control IC control circuit, IC control circuit control electromagnetic switch KA1, electromagnetic switch KA1 control electromagnetic switch KA, the Tiandi lock that electromagnetic switch KA control lock core links to each other, have several holes on the interior outer lock core of mechanical lock with on the key vertical direction, the corresponding formation lock core coding with keyhole in part hole is wherein arranged, place, the hole difference of outer lock core both sides separately diode installed is connected with the IC control circuit with photodiode, the cipher control circuit that the IC control circuit is comprised of IC555 circuit and IC4044 circuit and electromagnetic switch, be used for the control of lock core code signal, reach the purpose of switch gate.

2. light-operated cipher code mechanical cylinder lock according to claim 1, it is characterized in that: the IC555 circuit is done a light-control electronic switch, conducting or the cut-off of IC555 control SCR, with photodiode as optical sensor, when lumination of light emitting diode is received by photodiode, IC555 the 3rd pin is in high level, the SCR conducting, electromagnetic switch S adhesive, when photodiode does not receive the light time, IC555 the 3rd pin is in low level, not conducting of SCR, electromagnetic switch S disconnects, the IC4044 circuit is a cipher lock circuit, with IC4044 control electromagnetic switch KA1, circuit is comprised of password electromagnetics switch S 1-Sn, S1-S4 is valid password, S5-Sn is invalid password, is the forced resetting switch, and S1-S4 connects respectively the set end of 4 R-S triggers in the IC4044, S5-Sn is connected in parallel on 4 reset terminals of IC, IC is at reset mode, the equal output low level of its Al-A4 output, the equal conducting of VDl-VD4, Vl and V2 are that low level is ended because of the base stage of Vl, electromagnetic switch KA1 is in release conditions, and when electromagnetic switch S1-S4 adhesive, the S1-S4 of IC end all adds low level pulse, make the set that is triggered of 4 R-S triggers, the Ql-Q4 end of IC is all exported high level, VDl-VD4 is all ended, after the base stage of Vl becomes high level, Vl and V2 conducting, if electromagnetic switch KA adhesive is any adhesive among the electromagnetic switch S5-Sn, then 4 equal forced resettings of R-S trigger, the Ql-Q4 output of IC all becomes low level, and electromagnetic switch KA1 is in release conditions.