CN102114826B - Multifunctional remote-control vehicle theft prevention alarm device - Google Patents
Multifunctional remote-control vehicle theft prevention alarm device Download PDFInfo
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- CN102114826B CN102114826B CN2011100273664A CN201110027366A CN102114826B CN 102114826 B CN102114826 B CN 102114826B CN 2011100273664 A CN2011100273664 A CN 2011100273664A CN 201110027366 A CN201110027366 A CN 201110027366A CN 102114826 B CN102114826 B CN 102114826B
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Abstract
The invention provides a multifunctional remote-control vehicle theft prevention alarm device. The vehicle theft prevention alarm device comprises a main control module, a sound alarm module, a wireless remote-control transmission module, a wireless remote-control reception module and a short message reception/transmission module. Since the vehicle theft prevention alarm device adopts a high-sensitivity multi-axis acceleration sensor and an infrared sensor to detect a condition of a vehicle, a vehicle owner is informed in the form of a mobile phone short message when the condition of the vehicle changes; when the vehicle owner loses a handheld remote controller, the vehicle owner disables the handheld remote controller by means of the mobile phone short message; and after an in-vehicle alarm main system is destroyed, a sound alarm system remains in an alarm state. The multifunctional remote-control vehicle theft prevention alarm device protects the interests of the vehicle owners to the greatest extent.
Description
Technical field
The present invention relates to a kind of Long-distance Control car alarm, be Eltec in anti-car theft application, specifically, be to utilize singlechip technology to realize the Based Intelligent Control of automobile burglar.
Background technology
Current car alarm is taken precautions against the following means of the stolen employing of automobile: 1, shock sensor detection robber's sledge garage does, adopts sound and light alarm threatening robber then; 2, utilize Digiplex, the launching and closing of Control of Automobile burglar alarm.There is following defective in above-mentioned technology: 1, the flase alarm that causes because of thundering, blowing out of shock sensor can't be avoided; 2, after Car Burglar Alarm was destroyed, warning function lost efficacy; 3, existing hand-hold wireless remote-controller data transmission is dangerous, and remote control distance is short.After remote controller was lost, there was huge potential safety hazard in automobile.
Summary of the invention
After technical matters to be solved by this invention is that prior art car alarm hand-held remote controller data transmission is dangerous, Car Burglar Alarm is destroyed, the problem that warning function lost efficacy.
In order to solve the problems of the technologies described above; The present invention provides a kind of multifunctional remote Control of Automobile burglar alarm, and this car alarm is made up of main control module, audible alarm module, wireless remote control transmitter module, wireless remote control receiver module, short message transceiving module; Said wireless remote control transmitter module or short message transceiving module are sent unlatching, shutdown command, after said wireless remote control receiver module is received unlatching, shutdown command, pass to said main control module, the unlatching of this master control module controls car alarm or close; When main control module detects automobile unusual change is arranged, send alerting signal and give the audible alarm module, after said audible alarm module receives order, begin to report to the police; Main control module sends alarming short message through GSM to short message transceiving module simultaneously.
Further, described wireless remote control transmitter module launch or closing function must just can come into force through said wireless transmitter module, wireless remote control receiver module and short message transceiving module three interactive communication.
Further, described audible alarm module has independently micro controller system and independent power supply, and this audible alarm module is separated installation with main control module, and wherein this audible alarm module is communicated by letter through light-coupled isolation with main control module.
Further, said car alarm also has a GPS module.
Beneficial effect of the present invention is:
The present invention takes precautions against the stolen recent development of automobile, is made up of master control part, audible alarm part, wireless remote control part, SMS transmitting-receiving (GSM) 5 parts.This techniques make use high sensitivity multiaxis acceleration pick-up and infradred sensor detect condition of the vehicle, when the state of automobile changes, report the car owner through SMS; When car owner's hand-held remote controller was lost, the car owner lost efficacy the hand-hold wireless remote controller through SMS; After the warning main system was destroyed in the car, the audible alarm system still kept alarm condition.The present invention can protect car owner's interests to greatest extent.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain.
Fig. 1: system architecture is always schemed.
Fig. 2: master control unit schematic diagram.
Fig. 3: audible alarm systematic schematic diagram.
Fig. 4: wireless remote control emission coefficient schematic diagram.
Fig. 5: wireless remote control receiving system schematic diagram.
Fig. 6: main program diagram of circuit.
Fig. 7: the wireless remote control emission coefficient is launched closing flow path figure one
Fig. 8: the wireless remote control emission coefficient is launched closing flow path figure two
The specific embodiment
As shown in Figure 1, the present invention is made up of main control module, audible alarm module, wireless remote control transmitter module, wireless remote control receiver module, short message transceiving module (GSM).Said wireless remote control transmitter module or short message transceiving module are sent unlatching, shutdown command, after said wireless remote control receiver module is received unlatching, shutdown command, pass to said main control module, the unlatching of this master control module controls car alarm or close; When main control module detects automobile unusual change (position, angle change) is arranged, send alerting signal and give the audible alarm module, after said audible alarm module receives order, begin to report to the police; Main control module sends alarming short message through GSM to short message transceiving module simultaneously.
Fig. 2 is the main control module schematic diagram.12 volts of power supplys of automobile obtain 11.5 volts of voltages and supply power to main control module after isolating through diode D4, capacitor C 9, have both prevented that voltage from connecing the anti-circuit that burns, the fluctuation of voltage on the capacitor C 9 in the time of can preventing automobile starting again.11.5 volt constitutes high efficiency Switching Power Supply through IC3 and peripheral devices, provides 4.0 volts to gsm module, electric current can reach the power supply of 2.5A.11.5 volt is given host scm IC1 and acceleration pick-up IC4 power supply through 5 volts of IC5 outputs, has improved the stability of circuit.
Micro controller system IC1 communicates by letter with the remote control receiver module through clk_r, dat_r, int, four lines of irq, receives remote command.Micro controller system IC1 (1) receives car owner's SMS through gsm module; (2) detect automobile angles shifts situation through acceleration pick-up IC4, (3) through whether the someone gets in the infradred sensor JP4 perception car, automobile geographic position and sense of motion are detected through the GPS module in (4); (5) whether close through peripheral electric circuit inspection car door, boots such as JP8; Whether open-minded, the control of automobile central control system is realized through IC6 output control four group relaies in (6) if detecting automobile key; (7) through the firing circuit of Control of Automobile such as R17, R18, Q2, Q3, (8) are through the mode of operation of optocoupler drive controlling audible alarm system.When acceleration pick-up detects vehicle condition audible alarm module warning of sounding when unusual; Man-hour is arranged in infrared ray detects car, and the warning of sounding of audible alarm module is sent short message prompt to car owner's mobile phone simultaneously; When danger button in the car (SOS) when pressing, will send the SOS note to emergency call.The car owner can close ignition system through note through the geographic position of the short breath inquiry of mobile phone automobile, stops by force.The car owner can be provided with the SMS heading code through note, and others distributes the note Control of Automobile arbituarily after avoiding hand-set from stolen.The car owner can be provided with the warning sensitivity rank of acceleration pick-up through note.
Fig. 3 is audible alarm module principle figure.U1 is the control single chip computer of audible alarm module, and U2 is the alarm voice chip, and U3 is the sound power amplifier, and U4, U5 are optical coupling isolation circuit.When main control module is sounded alarm command through clk_s, dat_s after, pass to the U1 of this main control module through light-coupled isolation, U1 control alarm voice chip sends various (12 kinds) alarm sound, promotes loud speaker through power amplifier and sends strong chimes of doom.
The audible alarm module is owing to adopt independently micro controller system, independent power supply power supply, the mounting means that separates with main control module and light-coupled isolation technology; Through rational software design; After making that stealing the car molecule destroys the annunciator main system or cut off clk_s, two lines of dat_s; The audible alarm module still can be reported to the police strongly, till the electric energy of independent current source exhausts.Both used high tension apparatus to carry out high pressure and destroyed, can not stop the strong warning of audible alarm module through external lead wire.
Fig. 4 is a wireless remote control transmitter module schematic diagram.U1 is a radio transmitting and receiving chip, and U2 is the micro controller system of remote-control transmitting module.Four button S1, S2, S3, S4 be respectively open annunciator, close annunciator, parking stall prompting and new launching of remote-control transmitting module be provided with key, as button S1, S2, S3, S4 is some when pressing, cooresponding diode current flow; The 6th pin clamper to 0.6 volt with U2; Micro controller system U2 interrupts, and reads the current potential of a1, a2, a3, a4, and judging is after which key is pressed; Dynamic encryption data through 72 of software design outputs are given U2, and U2 is exported by emitting antenna after being modulated into radio frequency signal.Wireless remote control emission coefficient heading code has 7 bytes, and the recurrence rate of remote controller reaches 1/7,000 ten thousand hundred million, accomplishes that special train is special-purpose.
Fig. 5 is a wireless remote control receiver module schematic diagram.U1 is a radio transmitting and receiving chip, and U2 is the micro controller system of remote control launching system.When the remote control receiver module receives information, send data through clk_r, dat_r to main control module, after main control module receives data; Send acknowledge signal irq; After the remote control receiver module is received acknowledge signal, clk_r, dat_r data line are left unused, communication is accomplished.
Fig. 6 is the main program diagram of circuit.After the main frame energising, at first main warning is opened, closed to initialization GSM, GPS, angular transducer according to mobile phone or hand-held remote controller then.Whether main alarm detects car door automatically and closes after opening, and detects automobile position through GPS, detects the car body angle of inclination through angular transducer.If it is unusual to detect vehicle condition, send note or sound and light alarm.Main warning can be provided with warning sensitivity, note heading code, hand-held remote controller through car owner's mobile phone and close unlatching in off position down.Main system detects the energizing signal of danger button, sends SOS information to predefined mobile phone immediately.
Fig. 7 and Fig. 8 are that the wireless remote control emission coefficient is launched closing flow path figure.The Digiplex that uses first just can be launched through wireless remote control transmitter module, remote control receiver module and car owner's SMS three interactive communication.Its method of operation is: after at first car owner's mobile phone transmission remote controller is launched the note order; Gsm module receives the note order, passes to main control module, and main control module is through judging, discerning; Confirming is under car owner's the situation; Send the startup remote controller for the wireless remote control receiver module through line (int) order is set, the remote control receiver module adopts original address to receive data, and be limited to 5 seconds effective time that receives data.The car owner presses the S4 button of Digiplex in limiting time; The wireless remote control emission coefficient is carried out 3 algorithms of different encryptions with self 7 byte sequence number and 2 byte random numbers; Draw 72 bit-encoded informations, go out through the original address wireless transmission after being modulated into radio frequency signal then.After the wireless remote control receiver module is received valid data; Through dynamically deciphering; Remote-control transmitting module identity identification information is saved among the EEPROM, voice suggestion " warning is provided with completion " simultaneously, main control module sends " system is provided with success " note and gives the car owner; Remote controller is provided with success like this, can normally use.If the remote control receiver module was not received valid data in 5 seconds, this remote controller is provided with failure, can not normally use.If the car owner finds remote controller and loses, can send SMS this remote controller was lost efficacy.It is to have avoided again because remote controller is lost the hidden danger of bringing, thereby the safety of system is improved greatly that the technology of launching and close of Digiplex both can effectively have been taken precautions against the robber garage that the robber duplicates car owner's remote-control transmitting information.
The present invention has following technical characterstic:
1. dynamic encryption digital radio remote controller is technological
Present technique is to prevent that the robber from stealing car through the remote signal that demoder duplicates the car owner.System carries out 72 dynamic encryption algorithm processing to the data of remote controller emission, and the remote signal random variation of each emission can't crack it.The heading code of each remote controller has 7 bytes, and the recurrence rate of remote controller reaches 1/7,000 ten thousand hundred million, accomplishes that special train is special-purpose.
2. binary is the automobile remote-control technology
Present technique is to prevent that the robber from directly stealing car owner's remote controller and automobile key and steal car.System carries out opening and closing through SMS and hand-held 2.4G remote controller binary system to automotive theft proof system.Hand-held remote controller lose or stolen situation under, can in time close original hand-held remote controller through SMS, originally remote controller thoroughly lost efficacy.When the hand-held remote controller that more renews, can only could start new command and control system through SMS and new remote controller mutual operation, the safety hazard of avoiding remote controller to lose bringing.
3. intelligent sound alarm technique
Present technique is to prevent that robber's serviceable tool car of forcing open the door into from destroying alarm system and stealing car.Main system (in car, installing) and sound warning (engine is installed before car body) communicate through the photoelectricity isolation method, but have the mode pattern that works alone.After thief destroyed the main system in the car, the audible alarm system can in time detect abnormal condition, sends the chimes of doom that can not stop, and destroyed also of no avail even if use high voltage apparatus (such as electric billy) that audible alarm system external lead wire is carried out high pressure.
4. the two promptings of voice and note are technological
Present technique is to prevent the robber with the signal that special remote controller Harassment Vehicle master remote controller sends, and car can't be in normally set up defences state and steal car.When system starts car alarm system each car owner with hand-held remote controller, point out to the car owner through voice and note simultaneously, the affirmation system starts, thoroughly avoids the falseness phenomenon of setting up defences.
5. car body state variation detection technique
Present technique is to prevent that the robber from utilizing specialist tools to drag automobile away.Whether native system constantly detects the car body angle through angular transducer and changes, and confirms through GPS whether car body moves, and determines whether to report to the police, and avoids thundering, blowing out the flase alarm that causes.When GPS confirms that car body moves, acoustooptic alarm system will be reported to the police strongly, even the burglar alarm that destroys in the car can not stop.
6. the car body location positioning is technological
Through the gps satellite position fixing system, when automobile is stolen, in time longitude and latitude, speed, the direction of automobile are passed through the SMS notification car owner.Confirm the car body position, clue to solve the case in time is provided for the police.
7. the urgent anti-alarm technique of robbing
To plundering motor vehicle behavior, this product is robbed information through the SMS notification relative through hidden urgent button with automobile, and sending reports to the police seeks help.
8. System self-test function
After antitheft is set; System gets into automatically and also is in the self check state when antitheft is set; If promptly any car door does not close or when breaking down; Loudspeaker send " car door does not close " auditory tone cues, if when back in-support carriage does not close or the back in-support carriage switch breaks down, loudspeaker send " boot does not close " auditory tone cues; (above-mentioned 2 promptings require the car owner to handle) if there is not the GSM signal, loudspeaker send " not having the GSM signal " auditory tone cues; If there is not gps signal, loudspeaker send " not having gps signal " auditory tone cues.
Claims (1)
1. a multifunctional remote Control of Automobile burglar alarm is characterized in that, this car alarm is made up of main control module, audible alarm module, wireless remote control transmitter module, wireless remote control receiver module, short message transceiving module;
Said wireless remote control transmitter module or short message transceiving module are sent unlatching, shutdown command; After said wireless remote control receiver module is received unlatching, shutdown command; Pass to said main control module; The unlatching of this master control module controls car alarm or close, the wireless remote control transmitter module that uses first launch or closing function must just can come into force through said wireless remote control transmitter module, wireless remote control receiver module and short message transceiving module three interactive communication;
The method of operation of said three's interactive communication is: after at first short message transceiving module transmission wireless remote control transmitter module is launched the note order; Short message transceiving module receives the note order, passes to main control module, and main control module is through judging, discerning; Confirming is under car owner's the situation; Send startup wireless remote control transmitter module for the wireless remote control receiver module through line order is set, the wireless remote control receiver module adopts original address to receive data, and be limited to 5 seconds effective time that receives data; The car owner presses the button of launching of wireless remote control transmitter module in limiting time; The wireless remote control transmitter module carries out 3 algorithms of different encryptions with self 7 byte sequence number and 2 byte random numbers; Draw 72 bit-encoded informations, go out through the original address wireless transmission after being modulated into radio frequency signal then; After the wireless remote control receiver module is received valid data; Through dynamically deciphering; Wireless remote control transmitter module identity identification information is saved among the EEPROM, voice suggestion " warning is provided with completion " simultaneously, main control module sends " system is provided with success " note and gives the car owner; The wireless remote control transmitter module is provided with success like this, can normally use; If the wireless remote control receiver module was not received valid data in 5 seconds, this wireless remote control transmitter module is provided with failure, can not normally use;
When main control module detects automobile unusual change is arranged, send alerting signal and give the audible alarm module, after said audible alarm module receives order, begin to report to the police; Main control module sends alarming short message through GSM to short message transceiving module simultaneously; Described audible alarm module has independently micro controller system and independent power supply; This audible alarm module is separated installation with main control module, and wherein this audible alarm module is communicated by letter through light-coupled isolation with main control module.
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| CN2011100273664A CN102114826B (en) | 2011-01-26 | 2011-01-26 | Multifunctional remote-control vehicle theft prevention alarm device |
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| CN2011100273664A CN102114826B (en) | 2011-01-26 | 2011-01-26 | Multifunctional remote-control vehicle theft prevention alarm device |
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| CN102114826B true CN102114826B (en) | 2012-12-26 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102509407A (en) * | 2011-10-27 | 2012-06-20 | 深圳市赛格导航科技股份有限公司 | Infrared antitheft alarm |
| US9306743B2 (en) * | 2012-08-30 | 2016-04-05 | Texas Instruments Incorporated | One-way key fob and vehicle pairing verification, retention, and revocation |
| CN102849027B (en) * | 2012-09-25 | 2016-05-25 | 浙江吉利汽车研究院有限公司杭州分公司 | Control method and the control device of vehicle remote burglary-resisting system quiescent current |
| CN104249706A (en) * | 2013-06-28 | 2014-12-31 | 成都微英威诺环境监控设备有限公司 | Automobile fuel anti-theft system based on MEMS acceleration sensor and bluetooth technology |
| CN106199646A (en) * | 2016-08-31 | 2016-12-07 | 深圳市标越科技股份有限公司 | A kind of location based on GPS terminal |
| CN111862567A (en) * | 2020-07-20 | 2020-10-30 | 广东博殿堡电子科技有限公司 | Control method and system for remote control through mobile terminal |
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| US20090066488A1 (en) * | 2007-09-12 | 2009-03-12 | Shen Zhen Amwell Science | Interactive wireless vehicle security system |
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| CN101024390A (en) * | 2006-02-17 | 2007-08-29 | 深圳市赛格导航科技股份有限公司 | Supersonic vehicle alarm |
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