CN101882332A - Intelligent control method of multifunctional infrared remote control electronic coded lock - Google Patents
Intelligent control method of multifunctional infrared remote control electronic coded lock Download PDFInfo
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Abstract
The invention provides a design of a multifunctional infrared remote control intelligent electronic coded lock, which is designed by adopting a single chip microcomputer as core control. The novel device is more convenient, safe and reliable. The remote control unlocking code has the characteristic of pseudo-random number rolling code, and the password modification authority is managed in a grading manner, so that the password can be effectively prevented from being copied and stolen. The main control circuit consists of a singlechip central control circuit, a power-down automatic switching standby power supply circuit, an intelligent charging circuit, an infrared receiving circuit, a motor driving circuit and a password storage circuit. The lock has the functions of intelligent remote control (remote control password grading management, remote controller subsection management), emergency unlocking and the like. The anti-theft device has the advantages of complete functions, wide application range, high practical value, low error rate and strong anti-theft function. Is suitable for the field of intelligent locks and is beneficial to the safety and theft prevention of families and vehicles.
Description
Technical field:
Patent of the present invention relates to a kind of multifunctional infrared remote-control smart electronics coded lock, utilize infrared remote control to carry out a kind of effective ways of multifunctional electronic coded lock Based Intelligent Control, particularly utilize pseudorandom rolling code technology, the coding method that digital signal is encoded safely and effectively, and password is revised authority carry out differentiated control, the Infrared Remote-Control Sending sectional management can prevent from effectively that password is replicated to steal, and distinguishes the interference between a plurality of infrared remote controls.
Background technology:
Along with the development of electronics technology, wireless remote control technology has obtained using widely in multiple fields such as industrial and agricultural production, mechanics of communication, household electrical appliance, and the particularly application in gate control system has been subjected to attracting attention of people more.And the greatest problem that relates to this technology is exactly its intelligent and launch password confidentiality.At this situation, designed a kind of multifunctional infrared remote-control smart electronics coded lock, exactly Infrared Ray Remote Control Technology and single-chip microcomputer are used a kind of scheme that combines.
Because what most lock adopted all is mechanical, its maximum shortcoming is to utilize simple tool just can open lock at an easy rate.Also have some Remote controlled anti-theft locks mainly to adopt electromagnetic emission and receiving circuit in addition, but be subject to electromagnetic interference (EMI), functional reliability is poor, and security is very undesirable, and because cost and technology limitation have limited the development of its intelligence to a large extent.In conjunction with this situation, this patent has designed a kind of multifunctional infrared remote-control smart electronics coded lock, it have safe and reliable, with low cost, easy to connect, be simple and easy to characteristics such as usefulness, compact conformation.
At present more to the technology of controlled in wireless electronic lock." Wu Hanqing does electronic password lock with single-chip microcomputer to article, radio periodical, 2007,5 phases; 37～40 " electronic password lock of forming with ATmega8 and inner EEPROM and electromagnet lock core etc. in is lost when utilizing EEPROM to prevent the password power down.Article " Li Aiqiu; 12 electronic password locks of infra-red remote control; Wenzhou Vocational ﹠ Technical College's journal; 2008; 1 phase; 42～45 ", the infrared ray remote control electronic coded lock that adopts the coded lock special IC to design, the infrared remote control system that the integrated circuit M C145436 that telechirics adopts special-purpose generator integrated circuit S2559 of Dual Tone Multifrequency signal and supporting special use thereof to receive constitutes.Electronic password lock adopts special IC ZH9437.Has reliability preferably.National inventing patent (patent announcement number: 200961390) " multifunction remote-control theftproof lock " and article " Chen Lin etc.; infrared remote controlled code lock; radio periodical newspaper, 8 phases, 45～49 ", proposition utilizes tumbling-type coding chip HCS301, corresponding instruction is sent by infrared or radio-frequency transmissions circuit in K switch 1, K2, K3, K4 coding back, it is characterized in that adopting tumbling-type coding and decoding or general compiled sign indicating number technology, by infrared or radio-frequency receiving-transmitting technology, remote control electric control lock.Effective combination from the confidentiality of above design lack of wisdom and password.
Summary of the invention:
The purpose of patent of the present invention is: the deficiency at the existing radio electronic puzzle lock, it is optimized improvement, and increase the defencive function of multifunctional intelligent, particularly password.
For achieving the above object, patent of the present invention solves the technical scheme that its technical matters adopts: owing to adopt single-chip microcomputer to make coded lock have more intellectuality, the design adopts that (as 51 single-chip microcomputers is example as the design's core parts with single-chip microcomputer, other single-chip microcomputer as), utilize functions such as infra-red remote control principle and single-chip microcomputer serial emission, reception and design aly have that this machine is unblanked and the electronic password lock of remote-control unlocking.The main cost machine that divides is unblanked and remote-control unlocking, has all adopted the minimum system of 51 single-chip microcomputers to design.
Introduce the structural principle and concrete enforcement of adopting single-chip microcomputer and each module of infrared remote control below:
This machine receives unlock circuit: with the core of 51 single-chip microcomputers as this circuit, external switch dish of P1 mouth (adopts the matrix form on-link mode (OLM), save interface microcontroller), the external infrared receiving terminal of P3.0 mouth receives behind the modulation signal and will restore former digital command signal through amplitude limit, filtering, demodulation and with processes such as the corresponding decoding functions of infrared transmitter.The external alerting signal amplifier of P2.0 mouth, be used for amplifying alerting signal, drive loudspeaker, the external relay of the P2.4 mouth circuit driven by electromagnetic means of unblanking, whether the P0.0 mouth is pressed with the diode displaying button, and P0.1 mouth, the external LED lamp of P0.2 mouth are used for representing to distinguish the modification of administrator's password and user cipher.P2.1 mouth, the external EEPROM of P2.2 mouth carry out the password power-off protection, the external detection of power loss signal of P2.3 mouth.This circuit by 51 single-chip microcomputers, infrared remote receiver, AT24C02, power down automatically switch the back-up source module, automatically back-up source charging module, sound light alarming circuit etc. are formed.This machine has adopted 16 buttons, as the button of password input and each function.
The remote-control unlocking circuit: infra-red remote control is most popular a kind of communication at present and remote control means, adopting infrared ray to carry out data communication as transmission medium is a kind of not only convenient but also economical and practical selection, and it is the infrared ray of 850～900nm that infrared communication generally adopts the optical wavelength scope.With the core of 51 single-chip microcomputers as this circuit, carry out inner modulation and produce infrared ray as carrier wave, the digital command signal is modulated on the carrier wave, and institute is preset formula by password calculate in single-chip microcomputer inside, produce pseudorandom rolling code (mainly being to be undertaken synchronously), launch by infrared-emitting diode then by clock with receiving end.
External switch dish of P1 mouth (adopt the matrix form on-link mode (OLM), save interface microcontroller) can be controlled the unlatching of coded lock after the external infrared emission head of P2.2 mouth, this signal are decoded by infrared reception single-chip microcomputer.Whether the P0.0 mouth is pressed with the diode displaying button.
But characteristics such as antijamming capability is strong, highly sensitive all weather operations that the Infrared Transmission signal has add the Based Intelligent Control of single-chip microcomputer, make that project organization is simple, password has stronger security performance, described defective before can be good at overcoming.
The beneficial effect of patent of the present invention:
1, when three password bads of continuous input, the LED lamp is lighted the locked certain hour of prompt system (as 10 minutes) always, and sends alarm sound, and latch-releases such as need just can be inputed password next time.
2, when needs are revised password, adopt the effective measures of differentiated control, after needing input manager person's password to determine the user's modification authority, revise key by corresponding user or administrator's password behind the input new password and can revise password, send the evanescent light signal prompt simultaneously and revise successfully.
3, the indoor shortcut unlocking function that is equipped with is unblanked when pressing and is had loudspeaker to send voice prompt, unblanks successfully.
4, emergent unlocking function.For the generation of the variety of issue that prevents coded lock, when since a variety of causes coded lock can't operate as normal the time, only need the key of emergency button is inserted in the hole of emergency button, just as common lock uses.When the single-chip microcomputer operate as normal, this emergent lock will send warning when illegally being opened in the ordinary course of things while.
5, have power protecting circuit, when circuit power is interrupted, take standby power supply to power continuously, maybe by resetting it is recovered when being in when crashing, and with the data in the EEPROM storage single-chip microcomputer.
6, infrared reception coupling transmits (have pseudorandom and transmit, prevent to be duplicated by the external world), and decodes by single-chip microcomputer, and decoding is correctly unblanked, otherwise is failure to actuate, and surpasses to send alerting signal when certain number of times is incorrect unblanks.Have infrared remote control simultaneously and revise user cipher, administrator's password function.
7, press interval time in 3 seconds between Infrared remote controller two keys, if spent 3 seconds not by other key by next key, system is operation before abandoning, and have only when by during the bond number of determining again by acknowledgement key just launching code go out, otherwise operation before also abandoning can effectively prevent careless disorderly by keyboard and the influence that causes.
Description of drawings:
Be that explanation receives (this machine) modular circuit schematic diagram among the figure.This circuit comprises that several modules: Fig. 1, single-chip microcomputer are the infrared receiving module of core, drives loudspeaker and motor module; Fig. 2, back-up source power down handover module; Fig. 3, standby power supply intelligent charge module; Fig. 4, power down storage unit module; Fig. 5, lock core pressure sensitive module;
The combination of these modules mainly with single-chip microcomputer as core, in conjunction with the control to infrared transceiver module, and when detect judging the correctness of password, will make corresponding action, in time charging etc. is stored and is sent a telegram here in the switching that will in time carry out stand-by power supply when outage simultaneously to password.
Embodiment
In Fig. 1, this machine modular circuit core is that the minimum system with 51 single-chip microcomputers carries out Based Intelligent Control, carry out the password input or receive (adopting integrative infrared receiver by the action of this switch dish (matrix press-key among Fig. 1), integrate infrared reception and amplify, do not need any outward element, just can finish all working that receives output and Transistor-Transistor Logic level compatibility from infrared, and volume is the same with common plastic packaging triode size) password of infrared signal imports, and password is differentiated and carried out corresponding action; Revise to make amendment after password needs input manager person's password correct user cipher or administrator's password (correctly then drive open lock circuit, mistake then send drive acousto-optic circuit and report to the police);
Automatically switch to power backup circuit (Fig. 2) when single-chip microcomputer detects power down, intelligent charge (Fig. 3) to pre-stand-by power source is carried out by the standby power supply charging module in the incoming call back; (power supply combined floodgate commonly used is connected on the normally opened contact of the coil K1 of pilot relay, standby power supply closes a floodgate and is connected on the normally closed contact of pilot relay K2, like this when being connected with commonly used power supply, 8550 (PNP triodes) are opened the actuating of relay, make power supply commonly used receive normally opened contact, circuit is powered, disconnect the power supply of standby power supply combined floodgate pilot relay coil K2 simultaneously, otherwise then standby power supply is powered.Two relays are connected into the form of interlocking, have only the connection of being closed a floodgate of one road power supply to guarantee any moment, guarantee the electric power system safe operation.Voltage descends after the standby power supply electricity consumption; the current limliting battery charger of being made up of LM317 charges to it; when charging normal; VT1 is conducting not, so it there is not shunting action to R2, can calculate charging voltage U=1.25 (R1+R2)/R1 V; charging current limiter I=0.6/R3 A; when charging current surpassed I, the VT1 conducting descended output voltage and can not overcharge with the protection battery.The effect of VD is when external power interrupts, and prevents the external circuit discharging of battery.)
The detection power down has been established password before password is read from power down storage unit module; cutting off the power supply, (P2.2 of 51 single-chip microcomputers connects the serial-shift clock of the SCL mouth of AT24C02 as it, and P2.1 connects serial data or the address input and output of the SDA mouth of AT24C02 as it in cryptoguard.This circuit is noted that SCL, SDA must add a pull-up resistor, and resistance is 10K.Keeper's name of Infrared remote controller (key) and user name (key based identity) and password leave among the AT24C02, when needs are changed or read username and password, only need or read the data change in the AT24C02);
When being in a state of emergency down, the user can open lock with key, and is under the normal operating conditions in setting-up time when not opening with key when single chip circuit, then because key triggers button sends alerting signal and drive loudspeaker and report to the police.
Fig. 6 is explanation infrared transmission module circuit theory diagrams.What the P1 mouth connect is the matrix keyboard of 4*4, uses the P1 mouth can add pull-up resistor, easy to use; D1 is an infrared transmitting tube, and from then on data are sent; Whether D2 is common light emitting diode, can point out having button to press.This scheme uses the I/O mouth of 51 single-chip microcomputers directly to produce the 38KHz modulated wave, drives infrarede emitting diode, the emission infrared data.The 38KHz square wave is produced or is produced by software programming by the timer of CPU.Infrared coding work is finished by software, and therefore, the infrared coding scheme can design arbitrarily, and outside need connect very simple hardware circuit, greatly reduces the complicacy of circuit, helps reducing cost, and reduces the volume of telepilot.
Claims (3)
1. intelligent control method of multifunctional infrared remote-control electronic password lock, it is characterized in that: mainly be that (as 51 single-chip microcomputers is example to the control core with the single-chip microcomputer, other single-chip microcomputer is as the right characteristics that are all this patent), by matrix keyboard circuit (1), back-up source (2) is switched in power down, infrared reception control circuit (3), power down storage cryptochannel (4), incoming call aptitude chargeable circuit (5), input error locking keyboard (6), time-delay control warning circuit (7), indicating circuit (8), the control circuit (9) of unblanking, infrared emission circuit (12), infrared emission carrier wave (13) constitutes; Be provided with infrared transmitter in the Infrared remote controller, in this machine is unblanked infrared receiving circuit be set; And has pseudorandom cipher protection and the illegal key of unblanking that inserts carries out warning function.
2. a kind of intelligent control method of multifunctional infrared remote-control electronic password lock according to claim 1 is characterized in that: infrared emission circuit and infrared receiving circuit all adopt single-chip microcomputer as its governor circuit; Its pseudorandom transmitter code is to carry out synchronous clock training and assisted modulation logical formula by two single-chip microcomputers to make that the sign indicating number that at every turn sends is all inequality, decodes with corresponding demodulation formula in receiving circuit; Password is revised and is carried out differentiated control, and administrator's password can be revised user cipher, and user cipher only is used to unblank; Each Infrared remote controller is carried out sectional management, and the synchronizing clock signals difference that different sections adopts is so that distinguish the phase mutual interference of a plurality of telepilots.
3. a kind of intelligent control method of multifunctional infrared remote-control electronic password lock according to claim 1, it is characterized in that: electric control lock is driven by a direct-current magneto that is arranged in the lock body, also be provided with touch-switch in the lock body, when the circuit operate as normal, when extraneous key is unblanked to lock body, the pressure contact that touch-switch is subjected to key produces electric signal, and signal is handled by single-chip microcomputer, sends alerting signal through the warning driving circuit.
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| CN2009101389355A CN101882332A (en) | 2009-05-09 | 2009-05-09 | Intelligent control method of multifunctional infrared remote control electronic coded lock |
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| CN2009101389355A CN101882332A (en) | 2009-05-09 | 2009-05-09 | Intelligent control method of multifunctional infrared remote control electronic coded lock |
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| CN103049956A (en) * | 2013-01-09 | 2013-04-17 | 冯晓晗 | Safety access control device based on FPGA |
| CN103310512A (en) * | 2013-05-31 | 2013-09-18 | 苏州市职业大学 | Infrared remote control coded lock based on STC89C52 single chip microprocessor control |
| CN103353997A (en) * | 2013-07-24 | 2013-10-16 | 江苏晓山信息产业股份有限公司 | Intelligent mobile terminal control electronic lock system |
| CN103514646A (en) * | 2013-09-10 | 2014-01-15 | 昆山新金福精密电子有限公司 | Infrared remote control coded lock |
| CN104077821A (en) * | 2013-03-25 | 2014-10-01 | 孔治平 | Timing sequence coded lock |
| CN104240335A (en) * | 2013-06-09 | 2014-12-24 | 胡忠红 | Burglarproof door back locking control device based on bluetooth technology and single-chip microcomputer technology, and method |
| CN104268970A (en) * | 2014-10-13 | 2015-01-07 | 太仓市纽恩物业管理有限公司 | Intelligent electronic coded lock |
| CN104464264A (en) * | 2014-12-10 | 2015-03-25 | 宁波普元电子技术有限公司 | Coding and decoding remote control circuit applied to antitheft field |
| CN105279823A (en) * | 2014-07-24 | 2016-01-27 | 张娜 | Multifunctional anti-theft door |
| CN105488886A (en) * | 2015-12-21 | 2016-04-13 | 北京中科安瑞科技有限责任公司 | Supervising room external police service terminal |
| CN106204831A (en) * | 2016-07-04 | 2016-12-07 | 昆明理工大学 | A kind of electronic door lock system |
| CN106846575A (en) * | 2017-01-20 | 2017-06-13 | 深圳前海辅驾宝车联网有限公司 | Near-field communication formula gate control system and its control method |
| CN106917541A (en) * | 2017-02-24 | 2017-07-04 | 杭州电子科技大学 | A kind of light encourages bluetooth ID intelligent and safe lock cores |
| CN107134032A (en) * | 2017-05-18 | 2017-09-05 | 长沙开雅电子科技有限公司 | A kind of SCM Based electronic password lock design |
| CN109441242A (en) * | 2018-12-16 | 2019-03-08 | 国家电网有限公司 | A kind of reservoir dam gate hoist ring current Crypto Control Unit |
| CN109636972A (en) * | 2018-12-10 | 2019-04-16 | 江苏琥崧智能化科技有限公司 | A kind of remote control password lock and its open method |
| US10991183B2 (en) | 2019-09-24 | 2021-04-27 | SA Consumer Products, Inc. | Wireless lock system |
| CN115359645A (en) * | 2022-10-24 | 2022-11-18 | 永林电子股份有限公司 | Remote control system, remote control method and computer readable storage medium |
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2009
- 2009-05-09 CN CN2009101389355A patent/CN101882332A/en active Pending
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| CN103049956A (en) * | 2013-01-09 | 2013-04-17 | 冯晓晗 | Safety access control device based on FPGA |
| CN104077821A (en) * | 2013-03-25 | 2014-10-01 | 孔治平 | Timing sequence coded lock |
| CN103310512A (en) * | 2013-05-31 | 2013-09-18 | 苏州市职业大学 | Infrared remote control coded lock based on STC89C52 single chip microprocessor control |
| CN104240335A (en) * | 2013-06-09 | 2014-12-24 | 胡忠红 | Burglarproof door back locking control device based on bluetooth technology and single-chip microcomputer technology, and method |
| CN103353997A (en) * | 2013-07-24 | 2013-10-16 | 江苏晓山信息产业股份有限公司 | Intelligent mobile terminal control electronic lock system |
| CN103514646A (en) * | 2013-09-10 | 2014-01-15 | 昆山新金福精密电子有限公司 | Infrared remote control coded lock |
| CN105279823A (en) * | 2014-07-24 | 2016-01-27 | 张娜 | Multifunctional anti-theft door |
| CN104268970A (en) * | 2014-10-13 | 2015-01-07 | 太仓市纽恩物业管理有限公司 | Intelligent electronic coded lock |
| CN104464264A (en) * | 2014-12-10 | 2015-03-25 | 宁波普元电子技术有限公司 | Coding and decoding remote control circuit applied to antitheft field |
| CN105488886A (en) * | 2015-12-21 | 2016-04-13 | 北京中科安瑞科技有限责任公司 | Supervising room external police service terminal |
| CN106204831A (en) * | 2016-07-04 | 2016-12-07 | 昆明理工大学 | A kind of electronic door lock system |
| CN106846575A (en) * | 2017-01-20 | 2017-06-13 | 深圳前海辅驾宝车联网有限公司 | Near-field communication formula gate control system and its control method |
| CN106917541A (en) * | 2017-02-24 | 2017-07-04 | 杭州电子科技大学 | A kind of light encourages bluetooth ID intelligent and safe lock cores |
| CN106917541B (en) * | 2017-02-24 | 2019-03-29 | 杭州电子科技大学 | A kind of light encourages bluetooth ID intelligent and safe lock core |
| CN107134032A (en) * | 2017-05-18 | 2017-09-05 | 长沙开雅电子科技有限公司 | A kind of SCM Based electronic password lock design |
| CN109636972A (en) * | 2018-12-10 | 2019-04-16 | 江苏琥崧智能化科技有限公司 | A kind of remote control password lock and its open method |
| CN109441242A (en) * | 2018-12-16 | 2019-03-08 | 国家电网有限公司 | A kind of reservoir dam gate hoist ring current Crypto Control Unit |
| US10991183B2 (en) | 2019-09-24 | 2021-04-27 | SA Consumer Products, Inc. | Wireless lock system |
| CN115359645A (en) * | 2022-10-24 | 2022-11-18 | 永林电子股份有限公司 | Remote control system, remote control method and computer readable storage medium |
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Open date: 20101110 |