CN1302938A - Multi-purpose programmable antitheft and alarm lock with cipher switch - Google Patents
Multi-purpose programmable antitheft and alarm lock with cipher switch Download PDFInfo
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- CN1302938A CN1302938A CN 01108253 CN01108253A CN1302938A CN 1302938 A CN1302938 A CN 1302938A CN 01108253 CN01108253 CN 01108253 CN 01108253 A CN01108253 A CN 01108253A CN 1302938 A CN1302938 A CN 1302938A
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Abstract
A cipher lock integrating mechanical structure with circuit has a programming circuit composed of several programming switches. Its output circuit has two outputs, one to AND gate circuit and another to AND gate circuit via monostable delay circuit. The two outputs of AND gate circuit are respectively connected with transistor switch circuit to control relay and with inverter output to another AND gate circuit, to which the trigger signal from programming circuit is output via delay circuit, and another contactor and alarm are connected to control another relay via another transistor switch circuit.
Description
The present invention relates to a kind ofly to melt machinery, circuit is the coded lock of one.
Mechanical code theftproof lock commonly used is progressively substituted by electronic password lock because of its theftproof performance is relatively poor.But existing electronic password lock adopts the control of microprocessor or programmable storage mostly, and system makes its complex structure, volume big, and the manufacturing cost height is so be difficult to apply.
The object of the present invention is to provide a kind of broken sign indicating number difficulty, theftproof performance is good, safe in utilization, reliable and simple in structure, the multi-purpose programmable antitheft and alarm lock with cipher switch of low cost of manufacture.
Multi-purpose programmable antitheft and alarm lock with cipher switch of the present invention, comprise password programmed circuit, monostable time delay circuit, delay circuit, AND circuit, transistor switching circuit, reverser, relay, contactor, alarm and lock body, it is characterized in that: described password programmed circuit one tunnel exports gate circuit to, export through the monostable time delay circuit again to AND circuit on another road, the output one tunnel of this AND circuit is through transistor switching circuit, and control relay is connected contactor circuit; Another road exports another AND circuit to through reverser, triggering signal by the output of password programmed circuit also exports this AND circuit to behind delay circuit, control an other relay through another transistor switching circuit and connect another contactor circuit and alarm.
The present invention is further illustrated below in conjunction with drawings and Examples.
Fig. 1 is a circuit theory schematic diagram of the present invention;
Fig. 2 is a kind of program switch structural representation of the present invention;
Fig. 3 is an another kind of program switch structural representation of the present invention.
As shown in Figure 1, cipher switch lock of the present invention comprises password programmed circuit 1, monostable time delay circuit 2, delay circuit 3, AND circuit 4,6, transistor switching circuit 7,8, reverser 5, relay 9,10, contactor 11,12 and alarm 13 and lock body (not shown).
The password programmed circuit is made up of the program switch 1-1 more than two at least, every program switch 1-1 is provided with the contact more than ten at least, wherein having only a contact is to require to be connected in series with a contact in other the program switch according to password programming, to connect unlock circuit, other each contact is short circuit all, to connect warning circuit.
Program switch 1-1 can be the dial-type (see figure 2).Dial-type program switch 1-1 is made of housing, fixed axis, contact rolling disc, contact fixed disk.Be fixed with fixed axis 1-1-2 in the housing 1-1-1, be fixed with contact fixed disk 1-1-3 on the fixed axis, radial equipartition has ten contact 1-1-4 (electric output) on this contact fixed disk, and the contact 1-1-6 (end is gone in electricity output) that this contact can be respectively be fixed on the contact rolling disc 1-1-5 on the fixed axis 1-1-2 with activity joins.The card of contact rolling disc is provided with the number from 0-10.Draw with lead respectively the contact of contact fixed disk, so that the user works out password switching circuit voluntarily, or adjusts password switching circuit voluntarily after the switch password leakage, changes the switch code number.Can secondary above-mentioned contact fixed disk 1-1-3 and the contact rolling disc 1-1-4 of coaxial fixed number on the fixed axis 1-1-2.
Program switch 1-1 also can be the (see figure 3) of knob.This knob program switch is by knob, housing, driving gear, constitute with moving gear, the soft band of gear, copper bar, contact body, contact.Driving gear 1-1-12 in the housing 1-1-11 is fixed on the knob 1-1-13 axle, the other end in the housing is fixed with driven gear 1-1-14, between driving gear and the driven gear by soft gear band 1-1-15 around being connected, the two ends of this band are separately fixed at the both sides of contact body 1-1-16.Be respectively equipped with and be fixed on the copper sheet 1-1-18 (electrical input) of housing one side on the other both sides of contact body and be fixed on the contact 1-1-17 that 20 contact 1-1-19 of opposite side join in the housing, contact 1-1-19 draws housing with lead respectively, so that the user works out password switching circuit voluntarily.Several above-mentioned knob program switch can be installed in the housing simultaneously,, strengthen broken sign indicating number difficulty to reduce the repetition rate of coding.Can establish number on the shell of knob 1-1-13 below from 0-20.
The password programmed circuit of forming by five program switch 1, one the tunnel exports gate circuit 4 to, again to AND circuit 4, the output one tunnel of AND circuit is connected contactor 11 circuit through on-off circuit 7 control relays 9, finishes the task of unblanking through monostable time delay circuit 2 in another road output; Another road exports another AND circuit 6 to through reverser 5, triggering signal by 1 output of password programmed circuit also exports this AND circuit 6 to behind delay circuit 3, connect another contactor 12 circuit and audible-visual annunciator 13 through another on-off circuit 8 control another relays 10, finish the warning task.
Monostable time delay circuit 2 is a short time delay circuit, prevents that mainly the user is in dialing or twist the high level signal of misdelivering in number process.
Its operating principle: in the password programmed circuit of forming by five program switch 1-1 1, owing to having only a contact to require to set in advance in several contacts among every code switch 1-1 according to the password programming, and only be connected in series with a contact in other the program switch, the lead short circuit is then all used in other contact, therefore, when stirring contact rolling disc 1-1-5 or turning knob 1-1-13, when contact (electrical input) 1-1-6 or 1-1-17 join with one group of password contact (electric output) 1-1-4 that sets in advance or 1-1-19, high level of password programmed circuit 1 output is to the input of AND circuit 4, export a high level simultaneously to monostable time delay electricity 2, this monostable time delay circuit is also exported a high level to the end of AND circuit 4 and is gone into end, this moment simultaneously, AND circuit 4 conductings, transistor switching circuit 7 conductings, electric current flows through relay 9 line bags, and relay normally open contact 9-1 closure is connected contactor 11 circuit.The contact (not shown) closure of contactor 11 can be connected ignition coil and starter on the automobile, or connects electromagnetic switch the dead bolt in the safety cabinet is opened with the opening safety cabinet.
Do not knowing as the stranger under the situation of this unlocking cipher of shouting, when blindly stirring contact rolling disc 1-1-5 or turning rotation 1-1-13, as long as contact 1-1-6 or 1-1-17 are when any one short circuit contact among this program switch 1-1 contacts (being error code), the password programmed circuit is to the input no-output of AND circuit 4.The password programmed circuit is then exported high level to monostable time delay circuit 2, to the input of AND circuit 4, the input of AND circuit 4 is a low high level, so AND circuit 4 no-outputs again, transistor switching circuit 7 ends, and lock or safety cabinet lock then can't be opened.Meanwhile, delay circuit 3 starts under the triggering of password programmed circuit 1 output signal, begins by predefined delay time time-delay (length of concrete delay time can be adjusted setting voluntarily by the user, is generally 60 seconds).Time-delay finishes, delay circuit 3 is promptly exported a high level with the high level of the phase inverter 5 output input to AND circuit 6, this AND circuit conducting, transistor switching circuit 8 conductings, electric current flows through relay 10 line bags, its constant open contact 10-1,2 adhesives, connect contactor 12 and audible-visual annunciator 13, for bank or other unit, contactor 12 can start janitor's room warning system or the hands-free button key of TV monitor system and short circuit indoor electric phone and the contact of repeat key button, with importing 110 reporting to the police number or user's oneself mobile phone or beeper number send in phone in advance, reach the purpose of alarming anti-theft.
This shows, cipher switch lock of the present invention, owing in the password programmed circuit, be provided with the program switch more than two at least, every program switch is provided with the contact more than ten again at least, wherein having only a contact is to join according to a contact in password programming requirement and other the program switch, other each contact is short circuit all, therefore, have only when employing is identical with one group of code number setting in advance and just can open lock, if select any one error code lock of promptly not opening for use, and all can cause the warning device warning immediately, it is very sensitive to report to the police, fast, cause brokenly sign indicating number extremely difficult, anti-theft feature is fabulous; The warning means are many, and after password is revealed, but own coding is therefore safe in utilization, convenient, reliable; Simple in structure in addition, low cost of manufacture can be widely used in key departments such as automobile, motorcycle and bank finance system or unit finance.
Claims (5)
1, a kind of multi-purpose programmable antitheft and alarm lock with cipher switch, comprise password programmed circuit, monostable time delay circuit, delay circuit, AND circuit, transistor switching circuit, reverser, relay, contactor, alarm and lock body, it is characterized in that: described password programmed circuit (1) a tunnel exports gate circuit (4) to, export through monostable time delay circuit (2) again to AND circuit (4) on another road, the output one tunnel of this AND circuit is through transistor switching circuit (7), and control relay (9) is connected contactor (11) circuit; Another road exports another AND circuit (6) to through reverser (5), triggering signal by password programmed circuit (1) output also exports this AND circuit (6) to behind delay circuit (3), connect another contactor (12) circuit and alarm circuit (13) through another transistor switching circuit (8) other relay of control (10).
2, a kind of cipher switch lock according to claim 1, it is characterized in that: described password programmed circuit (1) is made up of the program switch more than two (1-1) at least, every program switch (1-1) is provided with the contact more than ten at least, wherein having only a contact is to require to be connected in series with a contact in other the program switch according to password programming, and other each contact is short circuit all
3, a kind of cipher switch lock according to claim 2, it is characterized in that: described program switch (1-1) is dial, and the dial-type program switch is made of housing, fixed axis, contact rolling disc, contact fixed disk.Be fixed with fixed axis (1-1-2) in the housing (1-1-1), be fixed with contact fixed disk (1-1-3) on the fixed axis, radial equipartition has ten contacts (1-1-4) on this contact fixed disk, and this contact can join with the contact (1-1-6) that activity is fixed on the contact rolling disc (1-1-5) on the fixed axis (1-1-2)
4, a kind of cipher switch lock according to claim 2, it is characterized in that: described program switch (1-1) also can be knob, and the knob program switch is made of housing, knob, driving gear, driven gear, the soft band of gear, copper bar, contact body, contact, contact.Driving gear (1-1-12) in the housing (1-1-11) is fixed on knob (1-1-13) axle, the other end in the housing is fixed with driven gear (1-1-14), between driving gear and the driven gear by soft gear band (1-1-15) around being connected, the two ends of this band are separately fixed at the both sides of contact body (1-1-16), are respectively equipped with and are fixed on the copper sheet (1-1-18) of housing one side on the other both sides of contact body and be fixed on the contact (1-1-17) that 20 contacts (1-1-19) of opposite side join in the housing.
5, a kind of cipher switch lock according to claim 1, it is characterized in that: described monostable time delay circuit (2) is a short time delay circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108253 CN1302938A (en) | 2001-02-27 | 2001-02-27 | Multi-purpose programmable antitheft and alarm lock with cipher switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108253 CN1302938A (en) | 2001-02-27 | 2001-02-27 | Multi-purpose programmable antitheft and alarm lock with cipher switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1302938A true CN1302938A (en) | 2001-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01108253 Pending CN1302938A (en) | 2001-02-27 | 2001-02-27 | Multi-purpose programmable antitheft and alarm lock with cipher switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1302938A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382022B (en) * | 2008-10-14 | 2011-06-15 | 关毅华 | Digital lock |
| CN105427958A (en) * | 2015-12-25 | 2016-03-23 | 珠海格力电工有限公司 | Naked lead monitoring device |
-
2001
- 2001-02-27 CN CN 01108253 patent/CN1302938A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101382022B (en) * | 2008-10-14 | 2011-06-15 | 关毅华 | Digital lock |
| CN105427958A (en) * | 2015-12-25 | 2016-03-23 | 珠海格力电工有限公司 | Naked lead monitoring device |
| CN105427958B (en) * | 2015-12-25 | 2018-05-18 | 珠海格力电工有限公司 | A kind of bare conductor monitoring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |