CN103291122B - Based on the anti-theft device of lock cylinder - Google Patents
Based on the anti-theft device of lock cylinder Download PDFInfo
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- CN103291122B CN103291122B CN201310195047.3A CN201310195047A CN103291122B CN 103291122 B CN103291122 B CN 103291122B CN 201310195047 A CN201310195047 A CN 201310195047A CN 103291122 B CN103291122 B CN 103291122B
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Abstract
The present invention relates to lock core, be specially the anti-theft device based on lock cylinder, solve the problem that existing cylinder lock safety is poor.A kind of anti-theft device based on lock cylinder, comprise lock cylinder, described lock cylinder comprises internal cylinder (2) and outer lock core (3), pins pellet (6) is installed in the marble hole of described internal cylinder (2), locking pellet (5) and locking marble spring (4) are installed in the marble hole of described outer lock core (3); Described outer lock core (3) has with its on the aperture of a certain marble hole UNICOM, be provided with in described aperture and lock pellet (5) and be connected and the push rod (8) that moves up and down, described push rod (8) drives multiple-pole switch (7); Described electronic recognition mechanism comprises single-chip microprocessor MCU and several input circuits to single-chip microprocessor MCU input voltage signal.The present invention is reasonable in design, structure is simple, and pellet situation of movement in lock cylinder is conducted to the single-chip microprocessor MCU outside lock core.
Description
Technical field
The present invention relates to lock core, be specially a kind of anti-theft device based on lock cylinder.
Background technology
At present, the lockset kind used on the market is a lot, substantially can be divided into three kinds: the first is mechanical door lock, and lock core is based on cylinder lock according to lock core operating principle and structure; The second is electronic lock, and its lock core uses electronic chip; The third is magnetic lock, and its lock core is the permanent magnet of a certain specific magnetic intensity.
The lockset that the public arenas such as hotel use mainly electronic lock, the mode of unlatching whether conforms to (hotel room kayser) with the information in lock core by the electronic information in input password (electronic password lock) or checking CUSTOM HOUSE HOTEL chip.This kind of lock core equipment there is no by the method for its runin in the short time, but electronic lock needs extraneous power supply, and current electronic degree is lower, and this kind of lock core equipment can't be widely used in resident or office users.
The mechanism of unblanking of magnetic lock is similar to cylinder lock in essence, and what it relied on is not that pellet is spent with key bit and directly contacted, but is mutually repelled by the permanent magnet of a pair specific magnetic intensity, adjusts the relative position of pellet end and lock core end face.But because its pellet number is less, larger by the possibility of runin, so magnetic lock commercially reduces gradually in recent years.
Cylinder lock, can by the defect of runin in order to overcome it as the preferred unit of resident's theftproof lock with office door lock, and the measure taked at present is the complexity increasing mechanical lock.For cylinder lock, have passed through three generations at present and upgraded, namely A level lock, B level are locked and surpass B level lock, and its frame for movement becomes increasingly complex, and the parts count of the most emerging super B level lock has exceeded 100 at present.Although the difficulty of technology runin is increasing, along with the increase of parts count, reliability can decrease.
Usually, the core of the lockset of family expenses and the use of most office space is cylinder lock.This kind of lock core good mechanical stability, manufacturing technology is ripe, and with low cost.General principle reaches by two sections of pellet (pins pellet and locking pellet) interfaces and the interfacial relative position of interior outer lock core in adjustment lock core the function controlling lockset and open.Also just because of this kind of open theory of cylinder lock, it is made to carry out the fatal defects of runin with methods such as can being used " tinfoil is unblanked ".
Summary of the invention
The present invention, in order to solve the poor problem of existing cylinder lock safety, provides a kind of anti-theft lock based on cylinder lock.
The present invention adopts following technical scheme to realize:
Based on an anti-theft device for lock cylinder, comprise lock cylinder, described lock cylinder comprises internal cylinder and outer lock core, is provided with pins pellet in the marble hole of described internal cylinder, is provided with locking pellet and locking marble spring in the marble hole of described outer lock core; Described outer lock core has with its on the aperture of a certain marble hole UNICOM, be provided with in described aperture and lock pellet and be connected and the push rod that moves up and down, described push rod drives multiple-pole switch.
Also comprise electronic recognition mechanism, described electronic recognition mechanism comprises single-chip microprocessor MCU and several input circuits to single-chip microprocessor MCU input voltage signal, described single-chip microprocessor MCU is connected with warning device, each input circuit described is made up of certain one-level switch series connection of power supply, Ohmic resistance and multiple-pole switch, and in each input circuit, certain one-level switch of multiple-pole switch and the connected node of Ohmic resistance are the voltage output end to single-chip microprocessor MCU input voltage signal.
Continuous several times can be communicated with or disconnect the effect of input circuit as long as described multiple-pole switch plays, at least can select travel switch or other.In addition, the multiple-pole switch in anti-theft device and electronic recognition mechanism can be arranged on the places such as lock housing, and those skilled in the art according to the reasonable structure design of device, can not exist technical difficulty.
During work, first to single-chip microprocessor MCU write EPROM program.During first use, open power switch and the learning and memory switch of single-chip microprocessor MCU, when the internal cylinder of key inserting cylinder lock, key tooth promotes the outer bullet of locking pellet, locking pellet Compress Spring, drive push rod to move up and down continuously, make certain one-level switch of multiple-pole switch open according to the shape of key bit is regular or closes.And then multiple input circuit then regular connected sum disconnects, jointly export regular voltage signal to single-chip microprocessor MCU, namely by electrical signal sequence that the change in location characteristics of motion of pellet (i.e. connecting rod) is converted to.Utilize the EPROM program of write, the analog quantity of being moved by pellet (i.e. connecting rod) realizes to digital quantity conversion the shape remembering key.Learning records is carried out to this lock key shape or pellet movement locus, after this lock key has been inserted study, closes learning and memory switch.During normal use, power-on switch, close learning and memory switch, when this lock key inserts, after analog quantity is converted to data signal by the program in EPROM, be stored in RAM(RAM and insert key at every turn, after analog signal is converted to data signal by system log (SYSLOG), temporary reservoir region, burst in RAM reaches regulation word length or after reaching time restriction, just be used in and carry out contrasting (being arbitration functions) here or the data in RAM being replaced the data (being learning functionality) about key teeth shape in EPROM here with the tram burst that stores in EPROM) in, (condition is: the word length in RAM is identical with the length of the correct signal recorded in EPROM to meet certain condition, or RAM inputs duration and exceedes restriction duration) after correct Data Comparison that the data in RAM and EPROM are stored.After utilizing program to judge, identical with signal in EPROM in RAM, namely signal is legal, do not report to the police (namely in subsequent embodiment 1 buzzer send minor " drip "); When non-lock key inserts, signal is illegal, and single-chip microprocessor MCU drives warning device to realize reporting to the police (namely in subsequent embodiment 1 buzzer send long " drip ").
To single-chip microprocessor MCU write EPROM program, those skilled in the art all can easily realize, and there is not technical difficulty.
Preferably, described outer lock core has the aperture with first order marble hole (marble hole that namely distance key aperture is nearest) UNICOM, such single-chip microprocessor MCU can remember complete key shape, improves the reliability of anti-theft lock.
The present invention is reasonable in design, structure is simple, lock cylinder general structure is not changed, just carry out accommodation by original closed state, pellet situation of movement in lock cylinder is conducted to the single-chip microprocessor MCU outside lock core, single-chip microprocessor MCU carries out learning records to this lock key shape or pellet movement locus, thus reach the unlatching of this lock key of accreditation, the object that alarm non-lock key inserts.
This anti-theft device effectively can suppress the generation of the criminal offences such as burglary, thus protects the person and the property safety of user more reliably, plays positive role to the stabilization energy of society.In addition, single-chip microcomputer and mechanical component organically combine by this lock core equipment, and conventional lock cylinders is intelligent, and the market demand is huge.
Accompanying drawing explanation
Fig. 1 is frame for movement schematic diagram in the present invention.
Fig. 2 is electrical block diagram in the present invention.
In figure, 1-keyhole, 2-internal cylinder, 3-outer lock core, 4-locks marble spring, and 5-locks pellet, 6-pins pellet, 7-multiple-pole switch, 8-push rod, 9-housing, 10-key.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.
embodiment 1
A kind of anti-theft device based on lock cylinder, comprise lock cylinder, described lock cylinder comprises internal cylinder 2 and outer lock core 3, is provided with pins pellet 6 in the marble hole of described internal cylinder 2, is provided with locking pellet 5 and locking marble spring 4 in the marble hole of described outer lock core 3; Described outer lock core 3 has with its on the aperture of a certain marble hole UNICOM, be provided with in described aperture and lock pellet 5 and be connected and the push rod 8 that moves up and down, described push rod 8 drives multiple-pole switch 7.
Also comprise electronic recognition mechanism, described electronic recognition mechanism comprises single-chip microprocessor MCU and several input circuits to single-chip microprocessor MCU input voltage signal, described single-chip microprocessor MCU is connected with warning device, each input circuit described is made up of certain one-level switch series connection of power supply, Ohmic resistance and multiple-pole switch 7, and in each input circuit, certain one-level switch of multiple-pole switch 7 and the connected node of Ohmic resistance are the voltage output end to single-chip microprocessor MCU input voltage signal.
During concrete enforcement, described multiple-pole switch 7 comprises the housing 9 be installed on outer lock core 3, described push rod 8 stretches in described housing 9, on described housing 9 in the stroke range of push rod 8 and the side of push rod 8 have three row's light holes, housing 9 is provided with light source at the opposite side of push rod 8 and the right opposite of light hole, described light hole of often arranging all is connected with a light resistor (totally three light resistor) by one group of optical fiber (can pass through heat-shrink tube), and each light resistor described is as certain one-level switch of multiple-pole switch 7.
As shown in Figure 2, three light resistor are connected with Ohmic resistance R3, R4, R5 respectively, and voltage output end KE3, KE4, KE5 access P17, P16, P15 port of single-chip microprocessor MCU respectively.When light resistor has illumination, its resistance reduces, and namely resistance very little (being equivalent to short circuit), is equivalent to open input circuit; Time unglazed photograph (when being blocked), its resistance raises, and namely resistance very large (being equivalent to open circuit), is equivalent to disconnect input circuit.The electromotive force of KE3, KE4, KE5 is exactly the magnitude of voltage at three light resistor two ends respectively.When light resistor is blocked, the electromotive force of KE3, KE4, KE5 raises along with the resistance rising of light resistor; When light resistor is not blocked, the electromotive force of KE3, KE4, KE5 reduces along with the resistance reduction of light resistor.KE3, KE4, KE5 access single-chip microcomputer, judged the magnitude of voltage of KE3, KE4, KE5 by programming realization in single-chip microcomputer, and set certain threshold values, exceed this magnitude of voltage, namely write 1 value to RAM, be no more than this magnitude of voltage, namely write 0 value to RAM, namely realize judging whether light resistor has illumination to digital quantity conversion by analog quantity, final realization judges the motion conditions of push rod 8 and pins pellet 6.
D2, D1, TX, RX in CON1 be corresponding single-chip microcomputer the corresponding interface respectively, for writing EPROM program to single-chip microprocessor MCU.
LED1, LED2, LED3 are three external LED, access P12, P13, P14 port of single-chip microcomputer respectively, and after opening power, three LED are all bright, use a LED, as the light source of housing 9 in reality.
The P37 interface of single-chip microcomputer is connected with buzzer BEP, and during buzzer work, BP exports as 0V; When not working, BP exports as 5V, when namely having electrical potential difference with VCC5V, is duty, during potential-free difference, is off position.Correct input signal, the buzzer working time is short, namely sends minor and " drips "; The input signal of mistake, buzzer longevity of service, namely sends long and " drips ".
12V DC voltage, by after three terminal regulator, exports 5V voltage respectively to each input circuit, single-chip microprocessor MCU, buzzer and each LED lamp circuit.
embodiment 2
The difference of the present embodiment and embodiment 1 is, described multiple-pole switch 7 is replaced by three grades of travel switches.Push rod 8 directly classification triggers three grades of travel switches (or second level stroke switch), the connected sum that described three grades of travel switches control three input circuits respectively disconnects, and in like manner, KE3, KE4, KE5 access single-chip microprocessor MCU, during disconnection, to single-chip microprocessor MCU input 5V voltage, during connection, to single-chip microprocessor MCU input 0V voltage, judged the magnitude of voltage of KE3, KE4, KE5 by programming realization in single-chip microprocessor MCU, and set certain threshold values, exceed this magnitude of voltage, namely write 1 value to RAM; Be no more than this magnitude of voltage, namely write 0 value to RAM, namely realize judging that the connected sum of travel switch disconnects by analog quantity to digital quantity conversion.
During concrete use, open the learning and memory switch of single-chip microprocessor MCU, correct key is inserted lock core, now, system log (SYSLOG) key shape or pellet move up and down the burst that track produces, and have learnt rear closedown learning and memory switch, can enter duty.Insert key to be tested, if key is correct, system prompt " correctly ", otherwise, system automatic alarm.
Claims (4)
1. the anti-theft device based on lock cylinder, comprise lock cylinder, described lock cylinder comprises internal cylinder (2) and outer lock core (3), pins pellet (6) is installed in the marble hole of described internal cylinder (2), locking pellet (5) and locking marble spring (4) are installed in the marble hole of described outer lock core (3); It is characterized in that: described outer lock core (3) has with its on the aperture of a certain marble hole UNICOM, be provided with in described aperture and lock pellet (5) and be connected and the push rod (8) that moves up and down, described push rod (8) drives multiple-pole switch (7);
Also comprise electronic recognition mechanism, described electronic recognition mechanism comprises single-chip microprocessor MCU and several input circuits to single-chip microprocessor MCU input voltage signal, described single-chip microprocessor MCU is connected with warning device, each input circuit described is made up of certain one-level switch series connection of power supply, Ohmic resistance and multiple-pole switch (7), and in each input circuit, certain one-level switch of multiple-pole switch (7) and the connected node of Ohmic resistance are the voltage output end to single-chip microprocessor MCU input voltage signal; Described warning device is buzzer;
Described multiple-pole switch (7) comprises the housing (9) be installed on outer lock core (3), described push rod (8) stretches in described housing (9), on described housing (9) in the stroke range of push rod (8) and the side of push rod (8) have some row's light holes, housing (9) is provided with light source at the opposite side of push rod (8) and the right opposite of light hole, described light hole of often arranging all has a light resistor by one group of Fiber connection, and each light resistor described is as certain one-level switch of multiple-pole switch (7).
2. the anti-theft device based on lock cylinder according to claim 1, is characterized in that: the first order marble hole UNICOM of described aperture and outer lock core (3).
3. the anti-theft device based on lock cylinder according to claim 2, is characterized in that: described housing has three row's light holes in the stroke range of push rod (8).
4. the anti-theft device based on lock cylinder according to claim 3, is characterized in that: the top of described push rod (8) is connected with light barrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195047.3A CN103291122B (en) | 2013-05-24 | 2013-05-24 | Based on the anti-theft device of lock cylinder |
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| CN201310195047.3A CN103291122B (en) | 2013-05-24 | 2013-05-24 | Based on the anti-theft device of lock cylinder |
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| CN103291122A CN103291122A (en) | 2013-09-11 |
| CN103291122B true CN103291122B (en) | 2015-09-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836984A (en) * | 2017-03-24 | 2017-06-13 | 张锴铮 | The method and system of the door lock burglar alarm based on lock core vernier circuit structure |
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|---|---|---|---|---|
| CN104074405B (en) * | 2014-05-26 | 2016-08-24 | 徐浩钟 | Asynchronous interlocking multistage safety lock of reporting to the police |
| CN104074403B (en) * | 2014-05-26 | 2016-08-24 | 徐浩钟 | Interlock asynchronous warning hidden anti-theft lock |
| CN104033031B (en) * | 2014-05-31 | 2016-08-24 | 徐毓艺 | Teasel root formula buries key interlock alarm anti-theft lock |
| CN104196356B (en) * | 2014-08-22 | 2016-06-22 | 重庆市喜植机械设备有限公司 | The multiple interlocking anti-theft alarm lock of dynamo-electric mixing |
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| US5691711A (en) * | 1995-02-24 | 1997-11-25 | Jorgensen; Adam A. | Digital electronic key and lock system |
| EP0860567A1 (en) * | 1997-02-21 | 1998-08-26 | C. Ed. Schulte GmbH Zylinderschlossfabrik | Locking device with a cylinder lock |
| CN2674022Y (en) * | 2004-02-19 | 2005-01-26 | 陈海平 | Theft-proof lock alarming when key inserting to it |
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| CN106836984A (en) * | 2017-03-24 | 2017-06-13 | 张锴铮 | The method and system of the door lock burglar alarm based on lock core vernier circuit structure |
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| CN103291122A (en) | 2013-09-11 |
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