CN102874212B - Automobile theft prevention monitoring system based on voice recognition technology - Google Patents

Automobile theft prevention monitoring system based on voice recognition technology Download PDF

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Publication number
CN102874212B
CN102874212B CN201210197646.4A CN201210197646A CN102874212B CN 102874212 B CN102874212 B CN 102874212B CN 201210197646 A CN201210197646 A CN 201210197646A CN 102874212 B CN102874212 B CN 102874212B
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glass
car
alarm
sound
electric signal
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CN102874212A (en
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朱祝阳
丁武俊
张方伟
熊想涛
陈文强
潘之杰
赵福全
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
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Abstract

The invention discloses an automobile theft prevention monitoring system based on a voice recognition technology. By the system, a user can accurately detect whether automobile glass is broken into pieces, and a thief enters the automobile for theft, an active theft prevention technology is adopted, a third-generation mobile communication (3G) technology is fully utilized, and multiple alarm methods are adopted. An embedded computer is respectively connected with a key, a microphone, a display, a camera, a storage, a global position system (GPS) positioner, a theft prevention door lock, a theft prevention engine lock, a passive infrared detector, a transaction detector, a frequency analyzer and a 3G wireless signal transceiver, wherein the transaction detector is connected with a vibrating sensor; a filter is respectively connected with the frequency analyzer and a glass breaking detector; the 3G wireless signal transceiver is respectively in wireless connection with a 3G mobile phone and a 110 alarm console; and the 3G mobile phone is in wireless connection with the 110 alarm console. The system is mainly applied to automobile theft prevention system, and can be applied to the financial field of banks and the like.

Description

A kind of automobile burglar monitored control system based on voice recognition technology
Technical field
The invention belongs to automobile burglar safety monitoring technology field, be specifically related to a kind of automobile burglar monitored control system based on voice recognition technology.
Background technology
Along with expanding economy, automobile enters huge numbers of families, becomes in people's daily life requisite walking-replacing tool of going on a journey.But thing followed car clout problem is also more and more serious.Some present thieves are very rampant, as long as car is parked in meagrely-populated place by chaufeur in an unguarded moment, in car, article are just likely stolen by some undesirables, and the mode of stealing in its car is all generally broken by vehicle window.Because present automobile is penetration of electron anti-theft system, steal unrealistic by unblanking.And this anti-theft technique of unblanking only has when having people around just effective, because it only plays audible alert effect, if no one hears, that equals to perform practically no function., mostly there are following some shortcomings in present automobile burglar monitored control system:
(1), existing automobile burglar monitored control system can not judge whether vehicle glass is broken into pieces by thief, and whether thief steals into the car after breaking vehicle glass into pieces.Finance on the car and car of car owner are subject to greater loss, but can not be told car owner vehicle glass by situation about breaking into pieces and the stolen situation of Che Nei article, initiatively can not take anti-theft measure.
(2), do not consider that first thief must enter in car, can steal the thing in car or steal automobile, whether existing automobile burglar monitored control system does not all judge thief into the car, lacks active anti-theft function.
(3), the application of existing 3G technology in automobile burglar monitored control system is not fully excavated.
(4), the send mode of existing automobile wireless communication network alarm message is comparatively single.
(5), after automobile is stolen, the operation such as automobile flameout, oil-break is controlled by note order, because these actions all must can be implemented at engine start-up conditions, lack active anti-theft function, if in thief's startup procedure, driving engine stops working suddenly, may cause serious traffic accident.
At Chinese patent Authorization Notice No. CN201923068U, authorized announcement date is on 08 10th, 2011, discloses a kind of car GPS theft prevention, monitoring, navigationsystem in the scheme that name is called " car GPS theft prevention, monitoring, navigationsystem ".It comprises by the interconnective management platform of mobile communication network signal, the user mobile phone with Bluetooth function and terminal ride, terminal ride comprises interconnective GPS module, CPU module, bluetooth module, and the mobile communication module to be connected with CPU module, terminal ride is also connected by bluetooth approach with between user mobile phone.Weak point is, when thief break into pieces steal in vehicle glass to car time, this car GPS theft prevention, monitoring, navigationsystem, finance on the car and car of car owner are subject to greater loss, but car owner can not be told broken for vehicle glass situation and the stolen situation of Che Nei article, initiatively anti-theft measure can not be taked.
At Chinese patent Authorization Notice No. CN201923068U, authorized announcement date is on 08 10th, 2011, discloses a kind of vehicle long-distance monitoring antitheft system in the scheme that name is called " vehicle long-distance monitoring antitheft system ".It comprises front controller and the mobile terminal of mutual wireless connections, described front controller is installed on Che Nei or vehicle body, and comprise can absorb in car or around vehicle body image photographing module and to be connected with photographing module and the image modulation absorbed by photographing module is the communication module of rf carrier, described mobile terminal comprises can received RF carrier wave rf carrier is demodulated into the frequency modulation communication module of view data, and described mobile terminal also comprises can the display module of playing image data.Weak point is, this vehicle long-distance monitoring antitheft system only adopts shooting mode antitheft to take pictures, when thief break into pieces steal in vehicle glass to car time, this vehicle long-distance monitoring antitheft system, finance on the car and car of car owner are subject to greater loss, but car owner can not be told broken for vehicle glass situation and the stolen situation of Che Nei article, initiatively anti-theft measure can not be taked.
Summary of the invention
The present invention exists can not tell car owner broken for vehicle glass situation and the stolen situation of Che Nei article to solve existing automobile burglar monitored control system, initiatively can not take the deficiency of anti-theft measure, provide a kind of and accurately can judge whether vehicle glass is broken into pieces, whether thief carries out into the car and steal, active anti-theft, make full use of 3G technology and the various a kind of automobile burglar monitored control system based on voice recognition technology of type of alarm.
To achieve these goals, the present invention is by the following technical solutions:
Based on an automobile burglar monitored control system for voice recognition technology, comprise the embedded computer be located in car, button, microphone, telltale, camera, memory device, GPS locator, antitheft vehicle door lock, safety engine lock, passive infrared detector, unusual fluctuation detector, vibration sensor, frequency spectrum analyzer, filter, glass break detection device and 3G wireless signal transceiver; Described embedded computer is locked with button, microphone, telltale, camera, memory device, GPS locator, antitheft vehicle door lock, safety engine respectively, passive infrared detector, unusual fluctuation detector, frequency spectrum analyzer and 3G wireless signal transceiver are connected; Described unusual fluctuation detector is connected with vibration sensor; Described filter is connected with frequency spectrum analyzer and glass break detection device respectively; Described 3G wireless signal transceiver respectively with the 3G mobile be located at outside car and 110 alarm station wireless connections, described 3G mobile and 110 alarm station wireless connections.
Should based on the automobile burglar monitored control system of voice recognition technology, be in car, gather vehicle window by glass break detection device to be started automobile burglar monitored control system by the sound that cracks and frequency and carry out antitheft.Because vehicle glass broken into pieces have an intrinsic frequency band and peculiar be sound.Glass break detection device is used for a kind of detector of detecting glass crushing function specially, by glass break detection device gather this frequency band therewith peculiar sound trigger anti-theft monitoring system.The glass breaking acoustic frequency that frequency spectrum analyzer is mainly used to filter transmits is analyzed, and the result after analysis is passed to embedded computer again and processes, reach efficiently and accurately accuracy requirement, reduces the possibility of wrong report.Embedded computer is write-in program in advance.By telltale, can set the natural frequency section of the broken sound of vehicle glass in advance with button in glass break detection device, and glass break detection device is put near vehicle glass, the effect collected like this is better, and accuracy is good.Filter can filter out the frequency band not allowing to collect, and reduce the work capacity of frequency spectrum analyzer, the treatment effeciency of embedded computer and frequency spectrum analyzer, reaches the requirement accurately that is swift in response.Microphone obtains the sound in car, comprises thief's one's voice in speech, turns over the sound of thing, the sound etc. of motor vehicle environment, and these sound are sent to embedded computer.Camera carries out Taking Pictures recording to thief into the car, and camera also carries out Taking Pictures recording to the vehicle glass be broken simultaneously, and these records are sent to embedded computer.Passive infrared detector is that the infrared ray relying on human body to send carries out work, when passive infrared detector is when receiving human infrared radiation temperature and changing, just produces alerting signal, and alerting signal is sent to embedded computer.When vibration sensor detects that vehicle glass vibrates, unusual fluctuation detector carries out unusual fluctuation judgement to the vibration information that vibration sensor transmits, if the sound of vehicle glass fragmentation, then unusual fluctuation detector sends embedded computer to information.
Embedded computer is analyzed the information obtained from camera, passive infrared detector, unusual fluctuation detector and frequency spectrum analyzer and the information preset, when the result of comparative analysis meets with the result preset time, just tell 3G mobile car owner and 110 alarm stations by 3G wireless signal transceiver stolen for vehicle information.And tell the particular location of thief.Car owner is broken into pieces at confirmation vehicle glass, and time thief steals, just can report to the police at once, and 110 alarm stations, just can responding immediately after being confirmed alerting signal.Meanwhile, embedded computer sends antitheft vehicle door lock and car door and driving engine are pinned in the instruction of safety engine lock, prevents thief from car inward swinging door or the automobile that drives away.Based on the automobile burglar monitored control system of voice recognition technology, should accurately can judge whether vehicle glass is broken into pieces, whether thief steals into the car, possesses active anti-theft, make full use of 3G technology and type of alarm is various, possesses good anti-theft function.
As preferably, described embedded computer is connected with the loudspeaker be located in car.Car owner can be given a warning to thief by 3G mobile, tells that thief is monitored, and reports to the police, and is just having police to come to arrest thief.Eavesdrop giving a warning in loudspeaker little, oneself is monitored to allow thief know, abandons stealing thought, reduces the loss of car owner as far as possible.
As preferably, described embedded computer is connected with the alarm drive circuit be located in car, and described alarm drive circuit is connected with the annunciator established onboard.Send alarm sound, allowing the people of surrounding know has people's article in theft car, makes to allow the people of near its circumference overtake to drive thief away, reduces the loss of car owner as far as possible.Also allowing the nigh police of police know the particular location of stolen vehicle simultaneously, providing good opportunity to arresting thief.
The present invention can arrive following effect:
(1), by the information obtained from camera, passive infrared detector, unusual fluctuation detector and frequency spectrum analyzer be analyzed with the information preset, accurately can judge whether vehicle glass is broken into pieces, stop wrong report.
(2), to be taken pictures etc. by camera in passive infrared detector human body temperature, car and can judge whether thief steals into the car easily.
(3), adopt the locking of antitheft vehicle door lock and safety engine lock to carry out active anti-theft, loss is reduced to less.
(4), by 3G network monitoring alarm is carried out to automobile burglar monitored control system, make full use of the effect of 3G technology in automobile burglar monitoring.
(5), adopt automatic alarm and manually reaffirm that the mode combined of reporting to the police is reported to the police, type of alarm variation.
(6), with GPS locator location automobile particular location, arrange by the look-in frequency section of telltale modifier key to glass break detection device, diverse in function enrich.
Accompanying drawing explanation
Fig. 1 is a kind of circuit principle structure block diagram of the present invention.
Fig. 2 is the diagram of circuit of the first use procedure of the embodiment of the present invention.
Fig. 3 is the diagram of circuit of the second use procedure of the embodiment of the present invention.
Fig. 4 is the diagram of circuit of the third use procedure of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Embodiment: a kind of automobile burglar monitored control system based on voice recognition technology, as shown in Figure 1, this embodiment is a kind of automobile burglar monitored control system based on voice recognition technology, comprise the embedded computer 1 be located in car, button 2, loudspeaker 3, microphone 4, telltale 5, camera 6, memory device 8, GPS locator 9, antitheft vehicle door lock 10, safety engine lock 11, passive infrared detector 12, unusual fluctuation detector 13, vibration sensor 14, alarm drive circuit 15, annunciator 16, frequency spectrum analyzer 17, filter 18, glass break detection device 19 and 3G wireless signal transceiver 20, also comprise 3G mobile 21 and 110 alarm station 22 be located at outside car.
Embedded computer 1 locks 11 respectively with button 2, loudspeaker 3, microphone 4, telltale 5, camera 6, memory device 8, GPS locator 9, antitheft vehicle door lock 10, safety engine, passive infrared detector 12, unusual fluctuation detector 13, frequency spectrum analyzer 17 and 3G wireless signal transceiver 20 are connected.Unusual fluctuation detector 13 is connected with vibration sensor 14.Alarm drive circuit 15 is connected with the annunciator 16 established onboard.Filter is connected with frequency spectrum analyzer 17 and glass break detection device 19 respectively.3G wireless signal transceiver 20 respectively with the wireless connections of 3G mobile 21 and 110 alarm station 22, the wireless connections of 3G mobile 21 and 110 alarm station 22.
After car owner has stopped car, car owner just can open this automobile burglar monitored control system based on voice recognition technology with button, this the opening of automobile burglar monitored control system based on voice recognition technology does not need password, only need push button and just can open, and when closing, need password, easy to use like this.
Car owner can pre-set the initiation culture scope of glass break detection device by button by telltale, can produce the high-frequency sound signal of 10k ~ 15k during glass breaking, this high-frequency sound signal can make the piezoelectric element of piezoelectric transducer produce direct piezoelectric effect.Thus piezoelectric ceramic piece effectively can detect glass breaking signal, and has stronger inhibit function to the sound of below 10kHz, thus whether detection glass fragmentation occurs.The height of glass breaking acoustic emission frequency, the size of intensity are relevant with the thickness of glass, material.Quartz material vehicle glass 25 DEG C, humidity 25% time break-up frequency be 12kHz.Pre-set the initiation culture scope of glass break detection device, reduce wrong report.
Pre-set the entry condition that microphone starts.
Pre-set the range of temperature of passive infrared detector detection, passive infrared detector is avoided just to glass door and window, high light can be avoided the interference of passive infrared detector and avoid the outer complex environment interference of door and window, such as crowd's flowing, vehicle etc.The present embodiment is arranged on passive infrared detector near roof in car is connected with glass, avoids sunlight interference and ambient interference.
Pre-set the drive condition that camera starts.
Pre-set the frequency parameter ranges that vibration sensor can experience vehicle glass fragmentation vibration, pre-set 3G mobile number and the 110 alarm station numbers of the transmission of 3G wireless signal transceiver.
The first use procedure of embodiment:
As shown in Figure 2, start, glass break detection device does not work, and when thief breaks vehicle glass into pieces time, after glass break detection device is touched by the sound frequency of vehicle glass fragmentation, glass break detection device is driven immediately,
After glass break detection device converts electric signal to the high-frequency sound signal of vehicle glass fragmentation, this electric signal transmission is carried out filtering to filter, and filters filter falls N/R electric signal, obtains a purer electric signal.Again this pure electric signal transmission is carried out spectral analysis to frequency spectrum analyzer, comprise the power of this electric signal, frequency, distortion etc. are analyzed, and judge that whether glass is broken.If the electric signal that this electric signal and the broken sound frequency of vehicle glass transmit does not match, then think that vehicle glass is intact.If the electric signal that this electric signal and the broken sound frequency of vehicle glass transmit matches, then think that vehicle glass is broken into pieces by thief.When confirming that vehicle glass is broken into pieces by thief after frequency spectrum analyzer analysis, so, transfer passive infrared detector, microphone, camera and vibration sensor carries out work to embedded computer at once.
Passive infrared detector judges whether have human body temperature to change in car, has human body temperature to change when passive infrared detector detects in car, just human body temperature change electric signal transmission to embedded computer.
In microphone, whether microphone hears the sound of the sound that glass fragment drops or robber, if the sound of the sound that glass fragment drops or robber heard by microphone, just the electric signal transmission of this sound to embedded computer.
Start camera, whether camera is seen glass breaking or is had thief into the car, if camera sees glass breaking or have thief into the car, so, camera is just sent to embedded computer the vehicle window picture photographed; If it is intact that camera photographed glass breaking, then terminated.
Whether vibration sensor experiences the vibration of glass breaking, judge whether have unusual fluctuation in car, and vibration sensor vibrates the electric signal transmission that produces to unusual fluctuation detector glass breaking, unusual fluctuation detector further confirms to detect to the electric signal that vibration sensor is sent, and reduces wrong report.If there is people to stir the sound frequency having people to breathe in the sound frequency of article or car in the frequency of the result that unusual fluctuation detector the detects broken chatter that is vehicle glass or car.So unusual fluctuation detector just detected electric signal transmission to embedded computer.
Embedded computer is to passive infrared detector, microphone, above-mentioned every electric signal that camera and vibration sensor transmit and the electric signal pre-set are analyzed, confirm whether above four all set up, if above four are all set up, so, embedded computer is just respectively to annunciator, antitheft vehicle door lock, safety engine is locked, loudspeaker and 3G wireless signal transceiver send the instruction of work, annunciator starts immediately, antitheft vehicle door lock starts, safety engine lock starts, horn activation and 3G wireless signal transceiver start, start working, and operated data-signal is stored in memory device.
Annunciator sends alarm sound, if have people near automobile, just can after hearing sound, overtake immediately to look into and see if there is people and carrying out stealthy activity, meanwhile, the alarm sound that annunciator sends also can play fright effect to thief, carries out the active anti-theft of frightening alarm song, allow thief fear to be found, and automatically abandon the possibility continuing crime.
Antitheft vehicle door lock in car, opens car door with hand after stoping thief's breaking glass, and safety engine lock stops thief to drive away their vehicles, and carries out active anti-theft, reduces car owner's loss.
Prompting sound to thief play by loudspeaker, tells that thief abandons theft, and loudspeaker are also play warning that car owner sent by 3G mobile or advised sound, with the chimes of doom play 110 alarm stations and send.Thief know oneself monitored after, initiatively may abandon continuing theft, reduce the loss of car owner.
On the 3G mobile that 3G wireless signal transceiver is sent to signal stolen for automobile car owner and on 110 alarm stations, and open the audio frequency and video linkage function of camera, loudspeaker and microphone.After the 3G mobile of car owner receives anti-theft signal, car owner has been confirmed whether that people is in theft.
Car owner and and alarm station all with being seen vehicle glass and Che Nei situation by camera, and can be engaged in the dialogue to thief by loudspeaker and microphone.
Car owner can by the loudspeaker in the camera of 3G mobile and Che Nei and car and microphone, the situation that the automobile of omnibearing understanding oneself is current, car owner has been confirmed whether that people is in theft, if car owner confirms that the automobile of oneself is stolen by thief really, so car owner just can report a case to the security authorities to 110 alarm stations at once.3G wireless signal transceiver is reported to the police to 110 alarm stations simultaneously, and sends the particular location of the GPS location of stolen vehicle.After 110 alarm stations receive autoalarm signal, then to report a case to the security authorities situation according to the car owner that 110 alarm stations receive, determine whether responding.Determine that the need of the standard of responding be the warning whether 110 alarm stations receive car owner and automatic alarm platform simultaneously and send, if 110 alarm stations receive the warning that car owner and automatic alarm platform are sent simultaneously, so just responding immediately.The object done like this is, reduces wrong report, reduces unnecessary responding.
The second use procedure of embodiment and the first use procedure of embodiment similar, as shown in Figure 3, difference is, be driven to start the whole automobile burglar monitored control system based on voice recognition technology by glass break detection device, be turned into be driven to be driven with vibration sensor by glass break detection device and jointly start the whole automobile burglar monitored control system based on voice recognition technology.Glass just starts whole automobile burglar monitored control system when being broken and having unusual fluctuation in car, and in car, have that human body temperature changes, the sound of the sound that glass fragment drops or robber heard by microphone, camera sees glass breaking or have thief these above three when whether all setting up into the car, just start whole automobile burglar monitored control system.Comprehensive startup of the whole automobile burglar monitored control system based on voice recognition technology caused by two conditions.This embodiment can reduce rate of false alarm, improves the careful property of reporting to the police.
The third use procedure of embodiment and the first use procedure of embodiment similar, as shown in Figure 4, difference is, be driven to start the whole automobile burglar monitored control system based on voice recognition technology by glass break detection device, be turned into and driven by glass break detection device, microphone starts, passive infrared detector starts, camera starts and vibration sensor is driven to jointly start the whole automobile burglar monitored control system based on voice recognition technology, and only require whether microphone hears the sound of glass breaking, and do not require the sound of robber, because robber's music of speaking is different from the sound frequency of glass breaking, when not hearing the sound of glass breaking, microphone does not start, can power saving, also reduce wrong report simultaneously.After vibration sensor is driven, after needing to carry out unusual fluctuation detection, the electric signal that vibration sensor could be detected is to embedded computer.When all setting up for above five, just start the whole automobile burglar monitored control system based on voice recognition technology.This use procedure rate of false alarm is very low.
The use procedure of the embodiment of the present invention can also have multiple use procedure, but is all the automobile burglar monitored control system based on voice recognition technology, and rate of false alarm is very low.

Claims (1)

1. the automobile burglar monitored control system based on voice recognition technology, it is characterized in that, comprise the embedded computer (1) be located in car, button (2), loudspeaker (3), microphone (4), telltale (5), camera (6), memory device (8), GPS locator (9), antitheft vehicle door lock (10), safety engine lock (11), passive infrared detector (12), unusual fluctuation detector (13), vibration sensor (14), alarm drive circuit (15), frequency spectrum analyzer (17), filter (18), glass break detection device (19) and 3G wireless signal transceiver (20),
Also comprise and be located at 3G mobile (21) outside car and 110 alarm stations (22), and establish annunciator (16) onboard;
Described embedded computer (1) is locked (11), passive infrared detector (12), unusual fluctuation detector (13), alarm drive circuit (15), frequency spectrum analyzer (17) and 3G wireless signal transceiver (20) with button (2), loudspeaker (3), microphone (4), telltale (5), camera (6), memory device (8), GPS locator (9), antitheft vehicle door lock (10), safety engine respectively and is connected;
Described unusual fluctuation detector (13) is connected with vibration sensor (14);
Described alarm drive circuit (15) is connected with annunciator (16);
Described filter is connected with frequency spectrum analyzer (17) and glass break detection device (19) respectively;
Described 3G wireless signal transceiver (20) respectively with 3G mobile (21) and 110 alarm stations (22) wireless connections, described 3G mobile (21) and 110 alarm stations (22) wireless connections;
On the roof that the roof that passive infrared detector is arranged in car is connected with glass, passive infrared detector is allowed to avoid just to glass door and window;
Use procedure based on the automobile burglar monitored control system of voice recognition technology:
After car owner has stopped car, car owner opens the automobile burglar monitored control system based on voice recognition technology with button, and the opening of automobile burglar monitored control system based on voice recognition technology does not need password, only need push button and just can open, and need password when closing;
Car owner pre-sets the initiation culture scope of glass break detection device by button by telltale;
Pre-set the entry condition that microphone starts;
Pre-set the range of temperature of passive infrared detector detection;
Pre-set the drive condition that camera starts;
Pre-set the frequency parameter ranges that vibration sensor can experience vehicle glass fragmentation vibration;
Pre-set 3G mobile number and the 110 alarm station numbers of the transmission of 3G wireless signal transceiver;
Start, glass break detection device does not work, when thief breaks vehicle glass into pieces, after glass break detection device is touched by the sound frequency of vehicle glass fragmentation, glass break detection device is driven immediately, glass break detection device passes to filter after the high-frequency sound signal of vehicle glass fragmentation is converted to electric signal carries out filtering and obtains a pure electric signal, then this pure electric signal transmission is carried out spectral analysis to judge that whether glass is broken to frequency spectrum analyzer; If the electric signal that this electric signal and the broken sound frequency of vehicle glass transmit does not match, then think that vehicle glass is intact, if the electric signal that this electric signal and the broken sound frequency of vehicle glass transmit matches, then think that vehicle glass is broken into pieces by thief; When confirming that vehicle glass is broken into pieces by thief after frequency spectrum analyzer analysis, so transfer passive infrared detector, microphone, camera and vibration sensor carries out work to embedded computer at once;
Have human body temperature to change when passive infrared detector detects in car, just human body temperature change electric signal transmission to embedded computer;
If the sound of the sound that glass fragment drops or robber heard by microphone, just the electric signal transmission of sound to embedded computer;
If camera sees glass breaking or have thief into the car, camera is just sent to embedded computer the vehicle window picture photographed, if to photograph glass breaking intact for camera, then terminates;
Vibration sensor vibrates the electric signal transmission that produces to unusual fluctuation detector glass breaking, unusual fluctuation detector further confirms to detect to the electric signal that vibration sensor is sent, if there is people to stir the sound frequency having people to breathe in the sound frequency of article or car in the frequency of the result that unusual fluctuation detector the detects broken chatter that is vehicle glass or car; So unusual fluctuation detector just detected electric signal transmission to embedded computer;
Embedded computer is to passive infrared detector, microphone, every electric signal that camera and vibration sensor transmit and the electric signal pre-set are analyzed, confirm whether above four all set up, if above four are all set up, so embedded computer is just respectively to annunciator, antitheft vehicle door lock, safety engine is locked, loudspeaker and 3G wireless signal transceiver send the instruction of work, annunciator starts immediately, antitheft vehicle door lock starts, safety engine lock starts, horn activation and 3G wireless signal transceiver start, and operated data-signal is stored in memory device,
Annunciator sends alarm sound;
Prompting sound to thief play by loudspeaker, tells that thief abandons theft, and loudspeaker are also play warning that car owner sent by 3G mobile or advised sound, play the chimes of doom that 110 alarm stations send simultaneously;
On the 3G mobile that 3G wireless signal transceiver is sent to signal stolen for automobile car owner and on 110 alarm stations, and open the audio frequency and video linkage function of camera, loudspeaker and microphone; After the 3G mobile of car owner receives anti-theft signal, car owner has been confirmed whether that people is in theft;
Car owner and alarm station all with being seen vehicle glass and Che Nei situation by camera, and can be engaged in the dialogue to thief by loudspeaker and microphone;
By the loudspeaker in the camera of 3G mobile and Che Nei and car and microphone, car owner has been confirmed whether that people is in theft, if car owner confirms that the automobile of oneself is stolen by thief really, car owner just can report a case to the security authorities to 110 alarm stations by horse back; 3G wireless signal transceiver is reported to the police to 110 alarm stations simultaneously, and sends the particular location of the GPS location of stolen vehicle; If 110 alarm stations receive the warning that car owner and automatic alarm platform are sent simultaneously, so just responding immediately.
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