CN2403861Y - Multi-function alarming puzzle lock - Google Patents
Multi-function alarming puzzle lock Download PDFInfo
- Publication number
- CN2403861Y CN2403861Y CN 99215881 CN99215881U CN2403861Y CN 2403861 Y CN2403861 Y CN 2403861Y CN 99215881 CN99215881 CN 99215881 CN 99215881 U CN99215881 U CN 99215881U CN 2403861 Y CN2403861 Y CN 2403861Y
- Authority
- CN
- China
- Prior art keywords
- lock body
- lock
- chip microcomputer
- sensing module
- alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Abstract
The utility model mainly provides a multi-function alarming code lock that is suitable for the occasion with high requirement, such as a safe, a cashbox door, a security door, etc. The utility model is characterized in that the inside of a remote alarm is provided with a photoelectric isolation device, etc., therefore, the remote alarm can not be stopped to alarm due to the attack, such as open circuit, short circuit, etc., to a signal transmission line between the remote alarm and the lock body. A sensing module can be hung outside to enlarge protection range, and the connecting line thereof also has the ability of preventing attack. Besides, the service data of the lock can also be automatically recorded with convenient data output and low cost. The security and the reliability of the lock can be increased greatly.
Description
The utility model relates to coded lock and alarm technique field, mainly proposes the higher multi-functional alarm cipher lock of a kind of safety.
The electronic password lock that the band that has now proposed is reported to the police has multiple structure design, and their structure mainly is made up of lock executing agency, control section and warning device etc.All have functions such as identification to input code, deferred action, but mostly lack the automatic record of detailed use data and have access to ability.Though individually this function is arranged but to exist memory capacity little, institute's range of information of depositing is narrow, can not reflect mode of occupation comprehensively, the outage loss of data, and by the artificial defective such as obfuscated data of gimmicks such as scrolling covering.In patent ZL94211931.2, provided a kind of multifunctional electronic lock, the ability that accurate use data are provided is arranged, but its sense data needs to be equipped with expensive equipment in addition.And structure is not suitable for the high occasions of safety requirements such as safety cabinet.In addition, the signal transmission loop anti-attack ability between existing electronic password lock and the remote-end alarm device is relatively poor.When its control circuit crashed because of reasons such as interference cause, problems such as lock appearred opening by mistake easily.
The purpose of this utility model, be to avoid the existing product weak point, and a kind of multi-functional alarm cipher lock that is applicable to the higher occasions of security requirement such as safety cabinet, national treasury door, security door is proposed: make it can at length write down the use data automatically, and the signal transmission loop between the reading conveniently of data, simple and direct, with low cost, itself and remote-end alarm device has stronger anti-attack ability; Simultaneously also can plug-in sensing module, monitor the vibration or the situation of movement of other object simultaneously, its line has anti-attack ability equally; Adding the false action-proof circuit in addition greatly improves the reliability of lock.
The purpose of this utility model can reach by following measure: lock body is that control core is partly formed by lock executing agency with the single-chip microcomputer mainly, signal transmission loop between lock body and remote-end alarm device has current-limiting resistance at lock body one side string, anti-reverse diode and anti-overflow fusible link.Be provided with photoelectric isolating device in remote-end alarm device one side, make itself and alarm circuit keep isolating, the remote-end alarm device is not as detecting normal signal from signal transmission loop, promptly think to have alert to take place and give the alarm, short circuit occurs at circuit, open circuit, all can not reach the purpose that stops the remote-end alarm device to be reported to the police under the situation such as high pressure.
Plug-in sensing module is set in addition, being fixed on other needs on monitoring vibration or the mobile object, with be connected by three wires between the lock body, one is that the interior power supply of lock body is through a current-limiting resistance, anti-reverse diode, give plug-in sensing module power supply, one be the ground wire of sensing module in lock body one side through the ground of an anti-overflow fusible link to control circuit.Other has a holding wire to be connected in the leakage output of opening of vibration sensor in plug-in sensing module, connects power positive end through a resistance and a magnetic switch constant close contact simultaneously.Holding wire in lock body through a resistance to ground, simultaneously also through two inputs of the opposed polarity of a protective resistance to two voltage comparator.Because of comparator input impedance higher, the power consumption of plug-in sensing module is also very low, like this, (magnetic switch constant close contact closure in the plug-in sensing module under normal circumstances, vibration sensor output is forbidden), the level on the holding wire is approximately in current-limiting resistance in the circuit of plug-in sensing module power supply, diode tube pressuring drop, the plug-in sensing module resistance between the holding wire and power supply and holding wire in the dividing potential drop of the resistance on lock body one side joint ground.Two other opposed polarity input of above-mentioned two comparators is got two reference voltages by divider resistance respectively in the lock body, and wherein the reference voltage got of the input of positive polarity is higher than the voltage of normal condition on the holding wire; The reference voltage that the negative polarity input is obtained is lower than the voltage of normal condition on the holding wire.When following situation takes place plug-in sensing module: the magnetic switch constant close contact disconnects or vibration sensor detects vibration and output low level, holding wire opens circuit or with power supply or ground short circuit, all will cause a counter-rotating in two comparators, after single-chip microcomputer detects this signal, can make respective handling, also promptly reached single-chip microcomputer in the lock body by plug-in sensing module to the moving of other article, purpose that vibration is monitored.The short circuit of circuit simultaneously, attacks such as open circuit can not reach the purpose of cutting off detection.
The use data that the control core single-chip microcomputer of lock body will be locked, with the regulation form and journal at E
2In the memory, direct record of time wherein, event is reported to the police, is resetted, powers on etc. as vibration, plug-in sensing module, respectively with each self-defining code record.E
2The memory space of memory is that scrolling uses, and sets time of the shortest scrolling one time by scm software, and the MCU driving display device can be with the data of storing above, and form in accordance with regulations and order show one by one.
Display device can be one or more charactrons, it also can be liquid crystal display device, when using one digit number sign indicating number pipe to make display device, the common port of charactron adds one by the monolithic processor controlled driver that turn-offs, seven display segments of charactron are respectively behind a current-limiting resistance, by seven output line controls of single-chip microcomputer, these seven output lines are the alignment of double as keyboard matrix simultaneously.Can save output line like this, further reduce cost.When need showed, the driver of the common port of charactron was opened, and single-chip microcomputer reaches the purpose that shows kinds of characters by changing the data on the output line that drives each section of charactron.Show that every is used data to begin with initial symbol, then order show moon, day, the time, branch, event code, add blank character between them, the last demonstration that finishes these data with end mark.When single-chip microcomputer need be read keyboard, the driving that can turn-off the charactron common port, multiplexing output line is as the alignment keyboard scan of keyboard matrix, and can not cause show chaotic.
Lock is carried out the driving of electromagnet simultaneously by two output lines controls of single-chip microcomputer, and a high level is effective, and a low level is effective, and they be with relation.Constitute the false action-proof circuit, cause the probability that opens by mistake lock because of the single-chip microcomputer fault with reduction.
The utility model is compared following advantage with existing product: have the remote-end alarm function of high reliability, its signal transmission loop all can not reach the purpose that stops the remote-end alarm device to be reported to the police under the situation that run into short circuit, open circuit, high pressure etc. attacked; By plug-in sensing module, can enlarge protection domain, line also has stronger anti-attack ability therebetween, and product safety is in use improved a lot; Realized using the automatic storage and the demonstration of data with lower cost, and memory capacity is big, stored information is detailed, be not afraid of power down; The false action-proof circuit has strengthened system reliability.
The utility model embodiment has following accompanying drawing:
Fig. 1 is the utility model architecture logic block diagram.
Fig. 2 is the utility model guidance panel schematic diagram.
Fig. 3 is the utility model electrical schematic diagram.
Fig. 4 is plug-in sensing module and interface electrical schematic diagram.
Fig. 5 is remote-end alarm device and interface electrical schematic diagram.
The embodiment that provides is in conjunction with the accompanying drawings further specified the utility model:
In Fig. 1, this multi-functional alarm cipher lock is made up of lock body (A), remote-end alarm device (B) and plug-in sensing module (C) three parts.
Lock body (A) is by being contained in the inner control circuit board (2) of housing (1), power supply (3), carrying out electromagnet (4), loudspeaker (5), magnetic switch (6) and be contained in the use with lock body magnet (7) and keyboard (8) and display device (9) formation on the object (as doorframe) of relative motion are arranged.
The remote-end alarm device is by housing (14), power circuit (15), remote-end alarm device circuit board (10), alarm lamp (11), relay indicating light (12), alarming horn (16), noise reduction button formations such as (13).Remote-end alarm device circuit board (10) is connected with the sensible cable (17) of lock body control circuit board (2).
Plug-in sensing module is made of housing (21), sensing circuit plate (18), magnetic switch (19) and magnet (20).Sensing circuit plate (18) is connected by cable (22) with lock body control circuit board (2).
In the keyboard of Fig. 2,0-9 supplies input password usefulness, A, and B two keys are as functional key.
In electrical schematic diagram (Fig. 3), system is a core with single-chip microcomputer (U1), is furnished with E
2Memory (U2) (for example 24LC16 can store more than 200 and use data, and the power down data are not lost) storage data.After each incident takes place, single-chip microcomputer is with (moon time, day, the time, dividing) the form storage that adds event code uses data, and memory space is that scrolling uses, and sets the time of the shortest scrolling one time by scm software, for example be set at 48 hours, then just can not cover with interior use data in 48 hours by the gimmick that scrolling covers.Magnetic switch (K1) provide door position signal to single-chip microcomputer.Vibration sensor (U3) monitoring vibration takes place and sends signal to single-chip microcomputer.Display device is total to positive charactron (U4) by one and constitutes, its common oedoeagus connects power supply through a PNP triode T2, the base stage of T2 is controlled by single-chip microcomputer one delivery outlet P1.0 through a resistance, seven display segments (a, b of charactron, c, d, e, f, g) negative electrode respectively arrives seven output lines (P1.7-P1.1) of single-chip microcomputer through a current-limiting resistance (R20-R26), the six roots of sensation alignment in the six roots of sensation (P1.7-P1.2) while double as 2 * 6 keyboards in these seven output lines.P1.0 output low level when need show, the T2 conducting, single-chip microcomputer reaches the purpose that shows kinds of characters by the data that change on the P1.7-P1.1.When reading keyboard, P1.0 exports high level, and charactron then can not show.Two lines of keyboard matrix connect two inputs of single-chip microcomputer, and (P2.0, P2.1), single-chip microcomputer is obtained key assignments by scanning 2 * 6 matrixes.Keyboard by 10 numeric keys (0-9) and two function keys (A B) forms, and is contained in the front of lock body, unblanks for operator's key feeding cipher, also can key in control instruction as change password, the adjustment time, read E
2Data in the memory etc.When E is read in key entry
2After the instruction of interior data, single-chip microcomputer with current address pointer from E
2Read in the memory apart from present nearest data, show from charactron by turn according to certain format, such as:
Then charactron shows initial symbol earlier
, stop showing " 0 " again in several seconds, stop again to show " 8 " again in several seconds, stop again to show again in several seconds blank character ", by that analogy until this end mark
The operator can note displaying contents, contrasts regulation in advance again, as:
If code " 3 " representative " lock body vibration takes place and reports to the police ", the implication of then above-mentioned data promptly is: vibration took place and sent warning in lock body 5: 45 on the 19th August ".The single-chip microcomputer address pointer that can continue to move forward reads data, and send demonstration, by that analogy.Reach the user and consult the purpose of service recorder in the past.Housing has window at the display device place so that observe.
Carry out magnet spool L1 and drive by driving triode T3, its control section is by the P2.6 of single-chip microcomputer, P2.5, resistance R 4, R5, R6 and triode T4, T5, T6 constitutes, have only when P2.6 be low level, drive triode T3 side's conducting when P2.5 is for high level simultaneously, the electromagnet action.Because during single-chip microcomputer generation abnormal conditions, two of its same delivery outlet not coordination be high level simultaneously or be high level for low level probability much larger than one simultaneously, one is low level, so this circuit has reduced the probability that opens by mistake lock that causes because of fault as much as possible.
Single-chip microcomputer (U1) output P3.0 is the output audio square wave when reporting to the police, and drives loudspeaker by triode T1 and sends alarm sound.
Single-chip microcomputer (U1) input P2.2 links to each other with plug-in sensing module interface (SAFE-10.SCH), referring to Fig. 4.
Single-chip microcomputer (U1) output P2.7 links to each other with remote-end alarm control unit interface (SAFE-11.SCH), referring to Fig. 5.
In Fig. 4, dotted line inside is divided in the plug-in sensing module, by three lead X1, and X2, X3 links to each other with circuit in the lock body.In the lock body control circuit, power supply VCC is through current-limiting resistance R2, anti-reverse diode D3, D4, lead X1, for plug-in sensing module provides power supply, the ground of plug-in sensing module return lock body by X3 after anti-overflow fusible link F1 to the ground of lock body control circuit.Holding wire X3 is connected in the Lou output (OUT) of opening of vibration sensor (U9) in plug-in sensing module; arrive power end through resistance R 34 and magnetic switch constant close contact (K2) simultaneously; it is in the control circuit of lock body one side; through resistance R 18 to ground, simultaneously through protective resistance R15 to the positive input terminal of voltage comparator U5-2 and the negative input end of voltage comparator U5-1.Because the power consumption of U9 is very low, and the input impedance of voltage comparator is very high, so the current potential V2 on the holding wire X2 depends on the dividing potential drop of R2, D3, D4, R34 and R18 under the normal condition.The negative input end current potential V3 of voltage comparator U5-2 is obtained by resistance R 14, R17 dividing potential drop, makes V3＜V2.The positive input terminal current potential V4 of voltage comparator U5-1 is obtained by R13, R16 dividing potential drop, make V4＞V2, like this, under the normal condition, voltage comparator U5-1, U5-2 open Lou that output all is a high level, when the constant close contact (K2) of plug-in sensing module (U9) output low level or magnetic switch disconnects or transmission line opens circuit, short circuit all will cause inequality V3＜V2＜V4 no longer to set up.Then voltage comparator U5-1, U5-2 must have an output low level, and single-chip microcomputer U1 as not keying in proper password before this, can give the alarm after receiving this signal by input P2.2, drive loudspeaker by R8, T1 and send sound equipment, and deposit data in E
2Memory U2, the normal burst signal that stops P2.7 is to start the remote-end alarm device.
In Fig. 5, dotted line inside is divided in the remote-end alarm device, and by line X4, X5 links to each other with circuit in the lock body.To triode T3 base stage, the T3 emitter stage connects power supply to single-chip microcomputer in the lock body control circuit (U1) output P2.7 through a resistance R 1, and colelctor electrode is through resistance R 3, and anti-reverse diode D2 is to line X4.X5 arrives ground through anti-overflow fusible link F1 in trivial body.In the remote-end alarm controller, X4, X5 connects the input of photoisolator U7, the colelctor electrode of its output connects power supply, emitter stage arrives ground through resistance R 30, the input P1.3 that connects single-chip microcomputer (U8) simultaneously, the pulse signal that is sent by P2.7 by single-chip microcomputer (U1) can be read from P1.3 by single-chip microcomputer (U8) through T3, R3, D2, X4, U7 like this.(U1) enters alarm condition when single-chip microcomputer, or during lock body control circuit cisco unity malfunction, stop to send this pulse signal, or transmission line (X4 X5) opens circuit, short circuit or when meeting high pressure, the single-chip microcomputer in the remote-end alarm device (U8) can not receive this pulse signal as scheduled, promptly send warning: by P1.4, R33, T7 drives loudspeaker SP2 and sends alarm sound, lights alarm lamp L1.This moment, the operator on duty can press ventil AN earlier, and single-chip microcomputer then stops to send audio alarming signal.
Claims (5)
1. a multi-functional alarm cipher is locked, and lock body is that control core is partly formed by lock executing agency with the single-chip microcomputer mainly, it is characterized in that:
A. the signal transmission loop between lock body and the remote-end alarm device has current-limiting resistance R3 at lock body one side string, anti-reverse diode D2 and anti-overflow fusible link F1; Be provided with photoelectric isolating device U7 in remote-end alarm device one side, keep isolating with alarm circuit;
B., plug-in sensing module is set outside lock body, being fixed on other needs on monitoring vibration or the mobile object, with be connected by three wires between the lock body, one is that the interior power supply of lock body is through a current-limiting resistance R2, anti-reverse diode D3, D4, give plug-in sensing module power supply, one be the ground wire of sensing module in lock body one side through the ground of an anti-overflow fusible link F2 to control circuit; Other has a holding wire to be connected in the Lou output OUT that opens of vibration sensor U9 in plug-in sensing module, simultaneously connect power positive end through a resistance R 34 and a magnetic switch constant close contact K2, holding wire is in lock body, through a resistance R 18 to ground, simultaneously also through two inputs of the opposed polarity of a protective resistance R15 to two voltage comparator U5-1, U5-2;
C. be provided with the E that uses data with prescribed form and journal
2Memory U2, its memory space are that scrolling uses, and set time of the shortest scrolling one time by scm software, and the display device 9 that is driven by single-chip microcomputer U1 can show the data form in accordance with regulations and the order of storing above one by one;
2. according to the described a kind of multi-functional alarm cipher lock of claim 1, it is characterized in that display device 9 is made of one digit number sign indicating number pipe U4, a common port that drives charactron by the monolithic processor controlled driver T2 that turn-offs, seven display segment a, b of charactron, c, d, e, f, g, by seven output line P1.7-P1.1 controls of single-chip microcomputer, these seven output line P1.7-P1.1 are the alignment of double as keyboard matrix simultaneously.
3. according to the described a kind of multi-functional alarm cipher lock of claim 1, it is characterized in that locking the driving of carrying out electromagnet is controlled by two output lines of single-chip microcomputer simultaneously, wherein an output line P2.5 high level is effective, and another root output line P2.6 low level is effective, and they be with relation.
4. according to the described a kind of multi-functional alarm cipher lock of claim 1, it is characterized in that storing the form that uses data and be the time (month, day, the time, divide) add event code.
5. according to claim 1,2 described a kind of multi-functional alarm cipher locks is characterized in that showing that every is used data to begin with initial symbol, then order show the moon, day, the time, branch, event code, add blank character between them, finish the demonstration of these data at last with end mark.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215881 CN2403861Y (en) | 1999-07-03 | 1999-07-03 | Multi-function alarming puzzle lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99215881 CN2403861Y (en) | 1999-07-03 | 1999-07-03 | Multi-function alarming puzzle lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2403861Y true CN2403861Y (en) | 2000-11-01 |
Family
ID=34007696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99215881 Expired - Fee Related CN2403861Y (en) | 1999-07-03 | 1999-07-03 | Multi-function alarming puzzle lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2403861Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444330A (en) * | 2010-09-30 | 2012-05-09 | 陈明宽 | Electronic lock device and use method thereof |
-
1999
- 1999-07-03 CN CN 99215881 patent/CN2403861Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444330A (en) * | 2010-09-30 | 2012-05-09 | 陈明宽 | Electronic lock device and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201681427U (en) | Electronic information lock | |
| US4337466A (en) | Tamper protection for an automatic remote meter reading unit | |
| CN103426246B (en) | A kind of charging pile with anti-unlatching monitoring function | |
| US4427974A (en) | Local control apparatus for central station alarm system | |
| CN101074589A (en) | Fingerprint safe, its controlling system and method | |
| CN102279996B (en) | Damage-resistant intruder alarm system | |
| CN1032094C (en) | Security system having mode control of sensor points | |
| CN204698138U (en) | A kind of management through accounting specific information file cabinet | |
| CN2842592Y (en) | Wireless security protection and kilowatt meter reading-out system | |
| CN2837459Y (en) | Unlocking key management device | |
| CN2403861Y (en) | Multi-function alarming puzzle lock | |
| CN208126627U (en) | A kind of multipurpose safety alarm monitoring terminal | |
| GB2365186A (en) | Vehicle or house alarm system using mobile telephone | |
| CN2802585Y (en) | Entrance guard controller | |
| CN201126613Y (en) | Anti-theft electricity alarm | |
| CN2360542Y (en) | Fingerprint lock radio warning safe | |
| CN2639471Y (en) | Electronic mechanical double-door lock for case | |
| CN203490770U (en) | Charging pile with opening prevention and monitoring functions | |
| CN210428588U (en) | Multifunctional intelligent access control machine | |
| CN2264695Y (en) | Cipher device for preventing theft of vehicle | |
| CN2574135Y (en) | Controlling system capable of identifying robbery information for automatic counterman's machine | |
| CN110471359A (en) | Information security control mould group and control method suitable for embedded host | |
| CN205682801U (en) | Accounting specific information file cabinet system | |
| CN2451675Y (en) | Self-coding cabinet for valuables | |
| CN206133737U (en) | Intelligent access control system based on thing networking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |