CN104442700A - Multi-mode car searching method, multi-mode car searching device and multi-mode car searching system - Google Patents
Multi-mode car searching method, multi-mode car searching device and multi-mode car searching system Download PDFInfo
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- CN104442700A CN104442700A CN201410725429.7A CN201410725429A CN104442700A CN 104442700 A CN104442700 A CN 104442700A CN 201410725429 A CN201410725429 A CN 201410725429A CN 104442700 A CN104442700 A CN 104442700A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
- B60R25/104—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device characterised by the type of theft warning signal, e.g. visual or audible signals with special characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/32—Detection related to theft or to other events relevant to anti-theft systems of vehicle dynamic parameters, e.g. speed or acceleration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
- B60R25/33—Detection related to theft or to other events relevant to anti-theft systems of global position, e.g. by providing GPS coordinates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2325/00—Indexing scheme relating to vehicle anti-theft devices
- B60R2325/20—Communication devices for vehicle anti-theft devices
- B60R2325/205—Mobile phones
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- Mechanical Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention relates to a multi-mode car searching method, a multi-mode car searching device and a multi-mode car searching system. The method comprises the following steps: when a multi-mode car searching device which is installed on a car detects a signal that the car is stolen, starting positioning of the stolen car; if the car is located in a signal covering region, obtaining the position information of the car by the multi-mode car searching device by virtue of a covered signal and providing the position information for a portable detector to search for the car; if the car is located in a blind region which is not covered by the signal, obtaining blind region position information of the car by using a distributive detector which is located in the blind region and providing the blind region position information to the portable detector to search for the car. According to the scheme provided by the invention, even if the stolen car is located in the blind region, the stolen car can be further accurately positioned.
Description
Technical field
The present invention relates to electronic instrument technical field, particularly a kind of multi-mode seeks car method, equipment and system, is more particularly a kind of multi-mode non-blind area Intelligent car-searching method, device and tele-control system.
Background technology
Giving for change after bicycle, Electrical Bicycle and all kinds of automobile are stolen depends on actv. search and recovering system.Method comparatively conventional is at present come antitheft mainly through various lockset and warning device, and adopts the mode of GPS or mobile phone location locate and find stolen vehicle.But weak point is, by the restriction of station-keeping mode, signal blind zone is the biggest obstacle that restriction stolen vehicle is given for change.Such as, publication number is that the Chinese patent application of CN103963878A provides a kind of anti-theft monitoring device based on GPS location, but gps signal is larger by the impact of building, once stolen vehicle enters building just entering signal blind area, cause this monitored control system to produce signal blind zone, cannot stolen vehicle be given for change.Publication number is that the Chinese patent application of CN203786764U proposes to adopt the GPS/ Big Dipper/LBS integrated form locate mode, although can improve the impact of building, when the field searching of special occasions as no signal, still cannot confirm the position of stolen vehicle.Publication number is that the Chinese patent application of patent CN201856841U proposes a kind of burglar alarm device for electric bicycle based on mobile phone and mobile network, and this Car Burglar Alarm exists the defect of warning promptness and location, thus affect stolen vehicle give rate for change.Publication number is that the Chinese patent application of CN103832512A proposes to utilize RFID to carry out the anti-theft system of testing vehicle register identification, but RF identification is limited in scope, and is difficult to carry out actv. protection.Therefore, comprehensive survey finds, in stolen vehicle is given for change, existing station-keeping mode is difficult to the impact evading signal blind zone.
Further, in vehicle anti-theft, mainly adopt the modes such as acoustic control, electronic lock or power-supply controller of electric to carry out passive type theftproof at present, but these fundamentally cannot retrain the generation of steal phenomenon.Such as, publication number is that the Chinese patent application of CN201923244U proposes integrated burglar alarming sound device for electric bicycle, warns stealer, but still stolen vehicle cannot be given for change by multilingual alarm sound.In addition, the running state analysis (comprising Vehicular battery running state, real time position, path of motion, location information statistics etc.) of stolen vehicle is also particularly important for giving stolen vehicle for change.But be subject to the impact of locating blind area, be difficult to obtain complete track of vehicle.Although the Chinese patent application that such as publication number is CN203397527U proposes to use GPS positioned vehicle position, owing to there is blind area, the location information of vehicle is existed and loses, make geometric locus imperfect.Document and patent investigation find, existing station-keeping mode and method are mainly limited to One-Point Location, and comparatively lack for the location information statistics of different time and the monitoring of track, especially cannot locate stolen vehicle in signal blind zone.
In sum, for there is signal blind zone and tele-control system function is unsound in the key factor affecting vehicle anti-theft and search, and existing scheme can not effectively address these problems.
Summary of the invention
In order to overcome above-mentioned defect of the prior art, the invention provides a kind of multi-mode and seeking car method, equipment and system.
An embodiment of the present invention provides a kind of multi-mode and seeks car method, said method comprising the steps of: when being arranged on the multi-mode car finding device on vehicle and the stolen signal of vehicle being detected, start the location to stolen vehicle; If vehicle is positioned at signal coverage areas, then described multi-mode car finding device utilizes the location information of the signal acquisition vehicle covered, and described location information is supplied to Hand held detection instrument to search vehicle; If vehicle is positioned at the blind area not having quorum sensing inhibitor, then utilizes the Distributed probing instrument being positioned at described blind area to obtain the blind zone position information of vehicle, described blind zone position information is supplied to described Hand held detection instrument to search vehicle.
Wherein, utilize the Distributed probing instrument being positioned at described blind area to obtain the blind zone position information of vehicle, described blind zone position information is supplied to described Hand held detection instrument and comprises: utilize the Distributed probing instrument in blind area to obtain the blind zone position information of vehicle; The blind zone position information of described vehicle is sent to the Distributed probing instrument outside blind area by the Distributed probing instrument in described blind area; The blind zone position information of described vehicle is sent to described Hand held detection instrument by the Distributed probing instrument outside described blind area.
Wherein, the method that vehicle searched by described Hand held detection instrument comprises: the radiofrequency signal that the electronic tag that described Hand held detection instrument adopts different azimuths and pitch angle to receive multi-mode car finding device sends; Described Hand held detection instrument filters out RF signal strength maxim from received radiofrequency signal, azimuth corresponding for RF signal strength maxim and pitch angle is defined as stolen vehicle relative to the azimuth of measuring position and pitch angle; Described Hand held detection instrument obtains the relative distance of stolen vehicle relative to measuring position according to the RF signal strength maxim at measuring position place; Described Hand held detection instrument relative to the relative distance of measuring position, generates the geographic coordinates of stolen vehicle relative to the azimuth of measuring position and pitch angle and stolen vehicle according to the geographic coordinates of measuring position, stolen vehicle.
Preferably, described method also comprises: when described Hand held detection instrument is positioned at blind area, obtains the geographic coordinates of measuring position residing for described Hand held detection instrument by carrying out communicating with described Distributed probing instrument.
Preferably, described method also comprises: when the relative distance between described Hand held detection instrument and stolen vehicle reaches the distance range of setting or when the described Hand held detection instrument RF signal strength received from described multi-mode car finding device reaches the threshold range of setting, start the sound and light alarm of described vehicle.
Preferably, described method also comprises: the location information of stolen vehicle is sent to remote controllers by described multi-mode car finding device, and described remote controllers draw the complete trajectory of stolen vehicle movement according to the vehicle position information received.
Preferably, the signal that described vehicle is stolen comprise in following signal one or more: vehicle acceleration signal in the power-off state; The signal that described multi-mode car finding device is disassembled; The alerting signal that remote controllers send.
Preferably, described method also comprises: when multi-mode car finding device detects the stolen signal of vehicle, adopts the Primary Component that damages vehicle or mode locked for vehicle is limited vehicle operating.
Preferably, described method also comprises: when multi-mode car finding device detects the stolen signal of vehicle, the independent current source starting described multi-mode car finding device is powered; Described independent current source utilizes Vehicle Power to charge.
Another embodiment of the present invention provides a kind of multi-mode to seek truck system, and described system comprises multi-mode car finding device, Distributed probing instrument and Hand held detection instrument; Described multi-mode car finding device, is arranged on vehicle, when the stolen signal of vehicle being detected, starts the location to stolen vehicle; If vehicle is positioned at signal coverage areas, then utilize the location information of the signal acquisition vehicle of covering, described location information is supplied to described Hand held detection instrument; Described Distributed probing instrument, if stolen vehicle is positioned at the blind area not having quorum sensing inhibitor, then communicates with described multi-mode car finding device, obtains the blind zone position information of vehicle, and described blind zone position information is supplied to described Hand held detection instrument; Described Hand held detection instrument, searches vehicle according to described location information or described blind zone position information.
Wherein, described Distributed probing instrument comprises the Distributed probing instrument being positioned at blind area and the Distributed probing instrument be positioned at outside blind area; Distributed probing instrument in described blind area, obtains the blind zone position information of vehicle, and is positioned at the Distributed probing instrument outside blind area described in the blind zone position information of described vehicle being supplied to; Distributed probing instrument outside described blind area, sends to described Hand held detection instrument by the blind zone position information of described vehicle.
Preferably, described system also comprises: remote controllers, receives the location information of described stolen vehicle, draws the complete trajectory of vehicle movement according to the vehicle position information received.
Preferably, described multi-mode car finding device, also for when the stolen signal of vehicle being detected, adopting the Primary Component that damages vehicle or mode locked for vehicle is limited vehicle operating.
Preferably, described multi-mode car finding device, also for when the stolen signal of vehicle being detected, the independent current source starting self is powered; Described independent current source utilizes Vehicle Power to charge.
The another embodiment of the present invention provides a kind of multi-mode car finding device, and described device comprises: Anti-dismantling induction module, detects signal that described multi-mode car finding device is disassembled as the stolen signal of vehicle; De-energized induction module, detects described vehicle acceleration signal in the power-off state as the stolen signal of vehicle; Wake module, when receiving the stolen signal of the described vehicle from described Anti-dismantling induction module and described de-energized induction module or when receiving the instruction of remote controllers, starts the work of multi-mode locating module; Described multi-mode locating module, if vehicle is positioned at signal coverage areas, then utilizes the location information of the signal acquisition vehicle of covering, described location information is supplied to Hand held detection instrument to search vehicle; If vehicle is positioned at the blind area not having quorum sensing inhibitor, then communicate with the Distributed probing instrument being positioned at described blind area, make described Distributed probing instrument obtain the blind zone position information of vehicle, and described blind zone position information is supplied to described Hand held detection instrument to search vehicle.
Preferably, described device also comprises: message processing module, the location information of described vehicle and status information are sent to described remote controllers, makes described remote controllers draw the complete trajectory of stolen vehicle movement based on received location information and status information.
Preferably, described device also comprises: the locked control module of vehicle, receives the instruction of hand-held detection instrument or remote controllers, damages the Primary Component of vehicle or vehicle is locked.
Preferably, described device also comprises: power management and intelligent charging module, the independent current source controlling described multi-mode car finding device utilizes Vehicle Power to charge, and when multi-mode car finding device detects the stolen signal of vehicle, starts described independent current source and powers.
The multi-mode that the present invention proposes seeks car method, equipment and system, realizes omnibearing vehicle search and supervision by multi-mode car finding device, Hand held detection instrument, Distributed probing instrument and multi-functional remote controllers.The program has that cost is low, accurate positioning, non-blind area, data transmission security is high and respond feature rapidly, is applicable to monitoring and the supervision of Electrical Bicycle, all kinds of automobile or special medical equipment.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is that the multi-mode of the embodiment of the present invention seeks car method flow diagram;
Fig. 2 is that the multi-mode of the embodiment of the present invention seeks truck system annexation figure;
Fig. 3 is the schematic diagram of the remote controllers 40 of the embodiment of the present invention;
Fig. 4 is the structural representation of the multi-mode car finding device 10 of the embodiment of the present invention;
Fig. 5 is the functional block diagram of the Anti-dismantling induction module 401 of the multi-mode car finding device 10 of the embodiment of the present invention;
Fig. 6 is the functional block diagram of the de-energized induction module 402 of the multi-mode car finding device 10 of the embodiment of the present invention.
In accompanying drawing, same or analogous Reference numeral represents same or analogous parts.
Detailed description of the invention
For a better understanding and interpretation of the present invention, below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1:
The present embodiment provides a kind of multi-mode to seek car method.The method detects the stolen signal of vehicle by the multi-mode car finding device be positioned on vehicle, when the stolen signal of vehicle being detected, rapid startup is to the location of stolen vehicle and limit vehicle operating, is then determined the actual position of vehicle by Hand held detection instrument and the Distributed probing instrument installed in signal blind zone and outside blind area.The method can to realize in signal blind zone the accurate location of vehicle and search, and can obtain the complete trajectory of the stolen rear movement of vehicle.
Fig. 1 is that the multi-mode of the present embodiment seeks car method flow diagram.As shown in Figure 1, the method comprises the following steps:
S101: multi-mode car finding device detects the stolen signal of vehicle;
The signal that in the present embodiment, vehicle is stolen include but not limited in following signal one or more:
A kind of signal is vehicle acceleration signal in the power-off state; Particularly, by judging whether the electric power system of vehicle normally judges whether vehicle is in off-position, if electric power system is in closed condition, show that vehicle is in off-position, then accelerometer can be adopted to detect vehicle vibration signal after a loss of power, determine whether vehicle moves under the state of power-off.
Another kind of signal is the signal that multi-mode car finding device is disassembled; Particularly, the signal that multi-mode car finding device is disassembled can comprise: the length of the signal that multi-mode car finding device is opened or multi-mode car finding device leads to circuit by the signal cut off; The signal that multi-mode car finding device is opened can be detected by the photoinduction module in multi-mode car finding device, if multi-mode car finding device is opened, then photoinduction module sends signal; In multi-mode car finding device, also have the electric wire that extra, this electric wire keeps long logical state usually, if cut off, can trigger and cut off signal.
Also have a kind of signal to be the alerting signal that remote controllers send, this alerting signal such as can trigger based on user's warning initiatively.
Alternatively, can also arrange the priority of these signals, the alerting signal priority as remote controllers is the highest, is secondly the signal that is disassembled of multi-mode car finding device and vehicle acceleration signal in the power-off state.Multi-mode car finding device carries out respective handling according to the priority of signal, if priority processing is from the alerting signal of remote controllers.
S102: judge whether the signal detecting that vehicle is stolen, if detected, enter step S103, if do not detected, returns step S101 and continues to detect;
S103: judge whether stolen vehicle is in the blind area of quorum sensing inhibitor, if not in blind area, enter step S104, if in blind area, enter step S104;
In the present embodiment, multi-mode car finding device can receive gps signal, base station signal and the radiofrequency signal from Hand held detection instrument.If vehicle is positioned at the region having signal, then enter step S104, the signal according to covering carries out vehicle location; If multi-mode car finding device cannot receive gps signal and base station signal, show that vehicle enters blind area, at this moment just need follow-up step S105 to seek car to carry out blind area.
S104: multi-mode car finding device utilizes the location information of the signal acquisition vehicle covered, and location information is supplied to Hand held detection instrument to search vehicle;
In the present embodiment, this location information is issued Hand held detection instrument and remote controllers by multi-mode car finding device.Close together between Hand held detection instrument and multi-mode car finding device, when being namely in the coverage (as being less than 1km) of radiofrequency signal, Hand held detection instrument directly can receive the location information that multi-mode car finding device sends; When Hand held detection instrument and multi-mode car finding device distant time, via remote controllers, this location information can be supplied to Hand held detection instrument.
In actual location process, no matter utilizing base station signal or gps signal to locate is all have error, some is even more than 100 meters, and due to stolen vehicle may constantly movement, therefore, can not only rely on gps signal and base station signal to position, actual search vehicle in need Hand held detection instrument closely to search for based on located position, finally to find vehicle.
The Hand held detection instrument of the present embodiment adopts RF identification and location technology to determine the position of stolen vehicle.RF identification and location technology are a kind of technology of relative maturity, and multiple concrete implementation can be found from existing open source literature, as: publication number is that the Chinese patent application of CN102540172A provides a kind of wireless radio frequency positioning method and system, can position in indoor environment to measured target; Publication number is that the Chinese patent application of CN103728645A proposes a kind of indoor and outdoor position fixing system and localization method thereof, basis signal intensity can calculate distance between measured target and measuring equipment; Publication number is that the Chinese patent application of CN103679087A proposes a kind of localization method based on radio-frequency technique, can rely on and regulate the identification range of card reader to determine the probable ranges of label.
In the present embodiment, in order to orient the three dimensional space geographical location information (comprising longitude, latitude and height) of stolen vehicle more accurately, a kind of embodiment of preferred radio frequency location is:
The radiofrequency signal that the electronic tag that Hand held detection instrument adopts different azimuths and pitch angle to receive multi-mode car finding device sends; Hand held detection instrument filters out RF signal strength maxim from received radiofrequency signal, azimuth corresponding for RF signal strength maxim and pitch angle is defined as stolen vehicle relative to the azimuth of measuring position and pitch angle; Hand held detection instrument obtains the relative distance of stolen vehicle relative to measuring position according to the RF signal strength maxim at measuring position place; Hand held detection instrument relative to the relative distance of measuring position, generates the geographic coordinates of stolen vehicle relative to the azimuth of measuring position and pitch angle and stolen vehicle according to the geographic coordinates of measuring position, stolen vehicle.
For this preferred embodiment, particularly, stolen vehicle can adopt the following formula disclosed in document " Source location from received signal strengthunder lognormal shadowing " to calculate relative to the computation model of the relative distance of measuring position:
P
r(d)=P
r(d
0)+10nlog
10(d/d
0)+X
σ(formula 1)
Wherein, d
0for the distance between measuring position and R point, about 1 meter can be got in reality, P
r(d
0) be the signal strength that R point place is measured, d is the distance between measuring position and stolen vehicle, P
rd () receives signal strength for measuring position place, n is path attenuation coefficient, X
σfor change variable.
For this preferred embodiment, particularly, the geographic coordinates of known measuring position, according to the stolen vehicle obtained relative to the azimuth angle theta of measuring position, pitch angle γ and relative distance d (azimuth angle theta, pitch angle γ and relative distance d are collectively referred to as relative position information), by by the geographic coordinates of measuring position and the stolen vehicle relative position information (θ relative to measuring position, γ, d) carry out superposing the geographic coordinates that just can obtain stolen vehicle.Wherein, geographic coordinates refers to the three dimensional space coordinate of stolen vehicle, namely at least comprises longitude, latitude and height.
Can application number from November 5th, 2014 to Patent Office of the People's Republic of China that submit of application reference people be " 201410617952.8 " about the more detailed description of carrying out between Hand held detection instrument and the electronic tag of multi-mode car finding device communicating to realize radio frequency positioning method accurately and more modification, denomination of invention be the content disclosed in the application for a patent for invention of " radio frequency positioning method, device and system ".
Preferably, in this step, for the ease of searching vehicle, when distance between Hand held detection instrument and stolen vehicle reaches the distance range of setting or when the Hand held detection instrument RF signal strength received from multi-mode car finding device reaches the threshold range of setting, start the sound and light alarm of vehicle.
S105: utilize the Distributed probing instrument being positioned at blind area to obtain the blind zone position information of vehicle, blind zone position information is supplied to Hand held detection instrument to search vehicle.
In the present embodiment, in order to position the position of vehicle in signal blind zone.Need respectively Distributed probing instrument to be installed in signal blind zone and outside blind area.The function class of this Distributed probing instrument and Hand held detection instrument seemingly, can both be communicated by the electronic tag of radiofrequency signal with multi-mode car finding device, thus position vehicle.
The quantity of Distributed probing instrument depends on the size of blind area scope, need respectively Distributed probing instrument to be installed in blind area and outside blind area, and the Distributed probing instrument in blind area can communicate with the Distributed probing instrument outside blind area, Distributed probing instrument outside blind area can communicate with remote controllers, thus can send the vehicle location in blind area.In addition, also can communicate between Distributed probing instrument and Hand held detection instrument, thus the location information of Hand held detection instrument can be obtained.
The optional embodiment of one of this step is: utilize the Distributed probing instrument in blind area to obtain the blind zone position information of vehicle; The blind zone position information of vehicle is sent to the Distributed probing instrument outside blind area by the Distributed probing instrument in blind area; The blind zone position information of vehicle is sent to Hand held detection instrument and remote controllers by the Distributed probing instrument outside blind area.During distant between the Distributed probing instrument outside blind area and Hand held detection instrument, via remote controllers, the blind zone position information of vehicle can be supplied to Hand held detection instrument.
Particularly, after stolen vehicle enters blind area, multi-mode car finding device communicates with the Distributed probing instrument in blind area, is obtained the blind zone position information of vehicle by Distributed probing instrument; The method that Distributed probing instrument obtains vehicle blind zone location information can adopt Hand held detection instrument in S104 to obtain the identical method in stolen vehicle position.Then, vehicle position information is sent to the Distributed probing instrument outside blind area by the Distributed probing instrument in blind area, and by the Distributed probing instrument outside blind area, this location information is sent to Hand held detection instrument and remote controllers, when the Distributed probing instrument outside blind area and Hand held detection instrument distant time, need, by remote controllers, this location information is transmitted to Hand held detection instrument.Next, Hand held detection instrument enters blind zone seeking vehicle according to this location information, Hand held detection instrument can carry out with Distributed probing instrument the location information communicating to know self, then according to the location information of himself, in employing S104, Hand held detection instrument obtains the position that the identical method in stolen vehicle position carrys out detection vehicle.
Preferably, in this step, for the ease of searching vehicle, when distance between Hand held detection instrument and stolen vehicle reaches the distance range of setting or when the Hand held detection instrument RF signal strength received from multi-mode car finding device reaches the threshold range of setting, start the sound and light alarm of vehicle.
Although Fig. 1 is not shown, the multi-mode of the present embodiment is sought car method and is also comprised these steps following, step shown in these step and Fig. 1 does not have the restriction of sequencing, is all to carry out after the signal that vehicle is stolen being detected, in practice can flexible Application as required.
Preferably, the method for the present embodiment can also comprise: the location information of stolen vehicle is sent to remote controllers by multi-mode car finding device, and remote controllers draw the complete trajectory of stolen vehicle movement according to the vehicle position information received.This step can be carried out with step S104 or S105 simultaneously, namely after the location information obtaining stolen vehicle, in time this location information is sent to remote controllers, depicted the motion track of stolen vehicle according to different time pointwises by remote controllers, this motion track can also be supplied to the mobile phone terminal of user by remote controllers, is convenient to the real-time condition that user understands vehicle.Even if because vehicle enters the location information that blind area also still can obtain vehicle, therefore the method for the present embodiment can obtain the complete trajectory of stolen vehicle movement.
Preferably, the method for the present embodiment can also comprise: when multi-mode car finding device detects the stolen signal of vehicle, adopts the Primary Component that damages vehicle or mode locked for vehicle is limited vehicle operating.Lockedly comprise that motor is locked, electric power system is locked and vehicle control device is locked.This step can detecting that namely vehicle is initiatively performed by multi-mode car finding device or just perform after the order of the order or Hand held detection instrument that receive remote controllers after stolen.
Preferably, the method for the present embodiment can also comprise: when multi-mode car finding device detects the stolen signal of vehicle, the independent current source starting described multi-mode car finding device is powered; Described independent current source utilizes Vehicle Power to charge.The multi-mode car finding device of the present embodiment has independent current source, automatically can detect the electricity of self independent current source, and be connected with Vehicle Power, can realize the automatic charging management of independent current source, guarantee can normally work under vehicle powering-off state.
The multi-mode of the present embodiment is sought car method and is realized omnibearing vehicle search and supervision by multi-mode car finding device, Hand held detection instrument, Distributed probing instrument and multi-functional remote controllers, even if also accurately can locate stolen vehicle in blind area scope, and the complete trajectory of the stolen rear movement of vehicle can be obtained.The method has that cost is low, accurate positioning, non-blind area, data transmission security is high and respond feature rapidly, is applicable to monitoring and the supervision of Electrical Bicycle, all kinds of automobile or special medical equipment.
Embodiment 2:
The present embodiment provides a kind of multi-mode to seek truck system, and this system comprises: be positioned at the multi-mode car finding device on vehicle, the Distributed probing instrument be positioned at outside signal blind zone and blind area, portable Hand held detection instrument and remote controllers.Can realize the accurate location of vehicle by the communication between system each side when vehicle is in blind area and search, and the stolen rear complete motion track of vehicle can be obtained.
Fig. 2 is a kind of system annexation figure of the present embodiment, it illustrates the scene that stolen vehicle is positioned at blind area.As shown in Figure 2, the system of the present embodiment comprises the multi-mode car finding device 10 be positioned on vehicle, is positioned at the Distributed probing instrument 20 of blind area, the Distributed probing instrument 20 ' be positioned at outside blind area, Hand held detection instrument 30 and remote controllers 40, although obviously do not illustrate in Fig. 2, the Hand held detection instrument 30 of the present embodiment can search vehicle outside blind area or in blind area.As long as the multi-mode car finding device 10 of the present embodiment, the Distributed probing instrument 20 ' be positioned at outside blind area can communicate with remote controllers 40 in the region of quorum sensing inhibitor with Hand held detection instrument 30, Distributed probing instrument 20 in blind area can send data by the Distributed probing instrument 20 ' outside blind area to remote controllers 40, when Hand held detection instrument 30 is positioned at blind area, can communicate with the Distributed probing instrument 20 in blind area or the Distributed probing instrument 20 ' outside blind area.
Wherein: multi-mode car finding device 10, being arranged on vehicle, when the stolen signal of vehicle being detected, starting the location to stolen vehicle; If vehicle is positioned at signal coverage areas, then utilizes the location information of the signal acquisition vehicle of covering, location information is supplied to Hand held detection instrument 30; Distributed probing instrument 20, if stolen vehicle is positioned at the blind area not having quorum sensing inhibitor, then communicates with multi-mode car finding device 10, obtains the blind zone position information of vehicle, and blind zone position information is supplied to Hand held detection instrument 30; Hand held detection instrument 30, searches vehicle according to location information or blind zone position information.
Particularly, the multi-mode car finding device 10 of the present embodiment can receive gps signal, base station signal and the radiofrequency signal from Hand held detection instrument, thus realizes multi-mode and accurately locate.The stolen signal of vehicle in the present embodiment detected by multi-mode car finding device 10 include but not limited in following signal one or more:
A kind of signal is vehicle acceleration signal in the power-off state; Particularly, multi-mode car finding device 10 is by judging whether the electric power system of vehicle normally judges whether vehicle is in off-position, if electric power system is in closed condition, show that vehicle is in off-position, then accelerometer can be adopted to detect vehicle vibration signal after a loss of power, determine whether vehicle moves under the state of power-off.
Another kind of signal is the signal that multi-mode car finding device 10 is disassembled; Particularly, the signal that multi-mode car finding device 10 is disassembled can comprise: the length of the signal that multi-mode car finding device 10 is opened or multi-mode car finding device 10 leads to circuit by the signal cut off; The signal that multi-mode car finding device 10 is opened can be detected by the photoinduction module in multi-mode car finding device 10, if multi-mode car finding device 10 is opened, then photoinduction module sends signal; In multi-mode car finding device 10, also have the electric wire that extra, this electric wire keeps long logical state usually, if cut off, can trigger and cut off signal.
Also have a kind of signal to be the alerting signal that remote controllers 40 send, this alerting signal such as can trigger based on user's warning initiatively.
Alternatively, multi-mode car finding device 10 can also arrange the priority of these signals, and the alerting signal priority as remote controllers 40 is the highest, is secondly the signal that is disassembled of multi-mode car finding device 10 and vehicle acceleration signal in the power-off state.Multi-mode car finding device 10 carries out respective handling according to the priority of signal, if priority processing is from the alerting signal of remote controllers 40.
In the present embodiment, in order to position vehicle in signal blind zone.Need respectively Distributed probing instrument to be installed in signal blind zone and outside blind area.The function class of Distributed probing instrument and Hand held detection instrument seemingly, can both be communicated by the electronic tag of radiofrequency signal with multi-mode car finding device, thus position vehicle.
The quantity of Distributed probing instrument depends on the size of blind area scope, need respectively Distributed probing instrument to be installed in blind area and outside blind area, and the Distributed probing instrument in blind area can communicate with the Distributed probing instrument outside blind area, Distributed probing instrument outside blind area can communicate with remote controllers, thus can send the vehicle location in blind area.In addition, also can communicate between Distributed probing instrument and Hand held detection instrument, thus the location information of Hand held detection instrument can be obtained.
Particularly, in the present embodiment, when being positioned at blind area by vehicle, the Distributed probing instrument 20 in blind area, obtains the blind zone position information of vehicle, and the blind zone position information of vehicle is supplied to the Distributed probing instrument 20 ' be positioned at outside blind area; Distributed probing instrument 20 ' outside blind area, sends to Hand held detection instrument 30 by the blind zone position information of vehicle.In the implementation, the blind zone position information of vehicle can be sent to Hand held detection instrument 30 and remote controllers 40 by the Distributed probing instrument 20 ' outside blind area, when Hand held detection instrument 30 is due to during apart from too far away cannot reception, via remote controllers 40, the blind zone position information of vehicle can be transmitted to Hand held detection instrument 30.
Particularly, the Hand held detection instrument 30 of the present embodiment adopts RF identification and location technology to determine the position of stolen vehicle.RF identification and location technology are a kind of technology of relative maturity, and multiple concrete implementation can be found from existing open source literature, as: publication number is that the Chinese patent application of CN102540172A provides a kind of wireless radio frequency positioning method and system, can position in indoor environment to measured target; Publication number is that the Chinese patent application of CN103728645A proposes a kind of indoor and outdoor position fixing system and localization method thereof, basis signal intensity can calculate distance between measured target and measuring equipment; Publication number is that the Chinese patent application of CN103679087A proposes a kind of localization method based on radio-frequency technique, can rely on and regulate the identification range of card reader to determine the probable ranges of label.
In the present embodiment, in order to orient the three dimensional space geographical location information (comprising longitude, latitude and height) of stolen vehicle more accurately, Hand held detection instrument 30 can adopt and preferred embodiment carry out radio frequency location below: the radiofrequency signal that the electronic tag that Hand held detection instrument 30 adopts different azimuths and pitch angle to receive multi-mode car finding device 10 sends; Hand held detection instrument 30 filters out RF signal strength maxim from received radiofrequency signal, azimuth corresponding for RF signal strength maxim and pitch angle is defined as stolen vehicle relative to the azimuth of measuring position and pitch angle; Hand held detection instrument 30 obtains the relative distance of stolen vehicle relative to measuring position according to the RF signal strength maxim at measuring position place; Hand held detection instrument 30 relative to the relative distance of measuring position, generates the geographic coordinates of stolen vehicle relative to the azimuth of measuring position and pitch angle and stolen vehicle according to the geographic coordinates of measuring position, stolen vehicle.
A kind of special when, when Hand held detection instrument 30 is positioned at blind area, the geographic coordinates of measuring position residing for Hand held detection instrument 30 is obtained by carrying out communicating with the Distributed probing instrument in blind area or outside blind area, then the measured target obtained based on self geographic coordinates and measurement relative to the relative distance of measuring position, generates the geographic coordinates of stolen vehicle relative to the azimuth of measuring position and pitch angle and stolen vehicle.
For this preferred embodiment, particularly, stolen vehicle can adopt the following formula disclosed in document " Source location from received signal strengthunder lognormal shadowing " to calculate relative to the computation model of the relative distance of measuring position:
P
r(d)=P
r(d
0)+10nlog
10(d/d
0)+X
σ(formula 1)
Wherein, d
0for the distance between measuring position and R point, about 1 meter can be got in reality, P
r(d
0) be the signal strength that R point place is measured, d is the distance between measuring position and stolen vehicle, P
rd () receives signal strength for measuring position place, n is path attenuation coefficient, X
σfor change variable.
For this preferred embodiment, particularly, the geographic coordinates of known measuring position, according to the stolen vehicle obtained relative to the azimuth angle theta of measuring position, pitch angle γ and relative distance d (azimuth angle theta, pitch angle γ and relative distance d are collectively referred to as relative position information), by by the geographic coordinates of measuring position and the stolen vehicle relative position information (θ relative to measuring position, γ, d) carry out superposing the geographic coordinates that just can obtain stolen vehicle.Wherein, geographic coordinates refers to the three dimensional space coordinate of stolen vehicle, namely at least comprises longitude, latitude and height.
Can application number from November 5th, 2014 to Patent Office of the People's Republic of China that submit of application reference people be " 201410617952.8 " about the more detailed description of carrying out between Hand held detection instrument 30 and the electronic tag of multi-mode car finding device 10 communicating to realize radio frequency positioning method accurately and more modification, denomination of invention be the content disclosed in the application for a patent for invention of " radio frequency positioning method, device and system ".
Preferably, for the ease of finding stolen vehicle more intuitively, when relative distance between Hand held detection instrument 30 and stolen vehicle reaches the distance range of setting or when Hand held detection instrument 30 RF signal strength received from multi-mode car finding device 10 reaches the threshold range of setting, start the sound and light alarm of vehicle.
Preferably, in order to limit the operation of stolen vehicle, multi-mode car finding device 10, when the stolen signal of vehicle being detected, adopts the Primary Component that damages vehicle or mode locked for vehicle is limited vehicle operating.Lockedly comprise that motor is locked, electric power system is locked and vehicle control device is locked.Multi-mode car finding device 10 can detecting that vehicle initiatively limits vehicle operating or the order restriction vehicle operating according to remote controllers 40 or Hand held detection instrument 30 after stolen.
Preferably, in order to ensure the normal work of multi-mode car finding device, multi-mode car finding device 10 is when the stolen signal of vehicle being detected, and the independent current source starting described multi-mode car finding device 10 is powered; This independent current source utilizes Vehicle Power to charge.The multi-mode car finding device 10 of the present embodiment can detect the electricity of self independent current source automatically, and is connected with Vehicle Power, can realize the automatic charging management of independent current source, guarantee can normally work under vehicle powering-off state.
Fig. 3 is the schematic diagram of the remote controllers 40 of the present embodiment.The remote controllers 40 of the present embodiment, receive the location information of the stolen vehicle that multi-mode car finding device 10 sends, and draw the complete trajectory of vehicle movement, and this complete trajectory can be supplied to the mobile phone terminal of user according to the vehicle position information received.Particularly, as shown in Figure 3, the mobile phone 50 of remote controllers 40 and the Distributed probing instrument 20 in multi-mode mobile terminal 10, blind area of the present embodiment, the Distributed probing instrument 20 ' outside blind area, Hand held detection instrument 30 and user is communicated by multiple data channel.Remote controllers 40 comprise: data-interface 301, receive the data from the mobile phone 50 of multi-mode mobile terminal 10, Distributed probing instrument 20, Hand held detection instrument 30 and user and send control command to them; Information management unit 302, is undertaken gathering and adding up by the vehicle-related information received from data-interface 301; Geographic position display unit 303, the complete trajectory of vehicle movement is drawn according to the vehicle position information received, the key messages such as the entire run track of vehicle and car status information are presented at visualization interface in real time, and by data-interface 301, these vehicle key messages are sent to mobile phone 50, follow the tracks of to realize information completely.
The multi-mode of the present embodiment is sought truck system and is realized omnibearing vehicle search and supervision by multi-mode car finding device, Hand held detection instrument, Distributed probing instrument and multi-functional remote controllers, even if also accurately can locate stolen vehicle in blind area scope, and the complete trajectory of the stolen rear movement of vehicle can be obtained.This system has that cost is low, accurate positioning, non-blind area, data transmission security is high and respond feature rapidly, is applicable to monitoring and the supervision of Electrical Bicycle, all kinds of automobile or special medical equipment.
Embodiment 3:
The present embodiment provides a kind of multi-mode car finding device.This multi-mode car finding device detects the stolen signal of vehicle, in time stolen vehicle is positioned, and the key messages such as the location information of stolen vehicle and status information are sent to Hand held detection instrument and remote controllers, when stolen vehicle is positioned at blind area, also communicate with the Distributed probing instrument in blind area, thus the location information of vehicle is sent to Hand held detection instrument and remote controllers by Distributed probing instrument, and carry out proximity detection vehicle by Hand held detection instrument.
Fig. 4 is the structural representation of the multi-mode car finding device 10 of the present embodiment.The multi-mode car finding device 10 being fixed on vehicle is interconnected with in-vehicle electronic system, as shown in Figure 4, the multi-mode car finding device 10 of the present embodiment comprises: the locked control module 405 of Anti-dismantling induction module 401, de-energized induction module 402, wake module 403, multi-mode locating module 404, vehicle, power management and intelligent charging module 406, message processing module 407 and acousto-optic alarm module 408.Wherein, the signal that wake module 403 senses vehicle change in location in the power-off state, multi-mode car finding device 10 is disassembled or receive remote controllers 40 instruction after, rapid startup power management and intelligent charging module 406 and multi-mode locating module 404, and by multiple data channel (SMM/GPRS/ radiofrequency signal), the key message (including but not limited to: vehicle location, vehicle ID, battery status, vehicle-state) of vehicle is sent to remote controllers 40 and Hand held detection instrument 30, start radio frequency search by hand-held detection instrument 30.After Hand held detection instrument 30 is close to stolen vehicle, received the instruction of Hand held detection instrument 30 by message processing module 407 to start sound and light alarm module 408.In addition, message processing module 407 can also receive the instruction of remote controllers 40 or Hand held detection instrument 30 to trigger the locked control module of vehicle 405 or just initiatively trigger the locked control module 405 of vehicle, to limit vehicle movement after wake module 403 senses the signal that vehicle is stolen.In addition, multi-mode car finding device 10 has independent current source, and power management and intelligent charging module 406 can carry out Charge Management by Vehicle Power, guarantees can normally work under vehicle powering-off state.Below the principle of work of modules is introduced in detail.
Anti-dismantling induction module 401, detects signal that multi-mode car finding device 10 is disassembled as the stolen signal of vehicle, and stolen signal is sent to wake module 403.Fig. 5 is the functional block diagram of Anti-dismantling induction module 401, as shown in Figure 5, the Anti-dismantling induction module 401 of the present embodiment comprises: photoinduction module 501 and cut off induction module 502, wherein, when the shell of multi-mode car finding device 10 is opened, photoinduction module 501 can be triggered and send signal; In multi-mode car finding device, also have an extra electric wire, this electric wire keeps long logical state usually, if cut off, cuts off induction module 502 and can send and cut off signal.In actual applications, the electric wire that this length is logical can be connected directly between on a pin of process chip, as long as the level change of monitoring this pin can judge whether this electric wire is cut off.
De-energized induction module 402, detects vehicle acceleration signal in the power-off state as the stolen signal of vehicle, and stolen signal is sent to wake module 403.Fig. 6 is the functional block diagram of de-energized induction module 402.As shown in Figure 6, the de-energized induction module 402 of the present embodiment comprises electric signal induction module 601 and accelerometer module 602, wherein whether electric signal induction module 601 sense vehicle is in the state of power-off, the abnormal vibrations of accelerometer module 602 sense vehicle, if sensed the abnormal vibrations of vehicle under the situation of vehicle power-off, then judge that vehicle is stolen.
Wake module 403, wake module 403 connects Anti-dismantling induction module 401 and de-energized induction module 402, when have received the stolen signal of the vehicle from Anti-dismantling induction module 401 and de-energized induction module 402 or when receiving the instruction of remote controllers 40, start the work of multi-mode locating module 404 and power management and intelligent charging module 406.Wake module 403 can receive the instruction that message processing module 407, tamper induction module 401, power management and intelligent charging module 406, de-energized induction module 402, tele-control system 40 and hand-held detection instrument 30 etc. send, and judges signal priority rank and starts multi-mode locating module 404 to determine vehicle position information.
Multi-mode locating module 404, if vehicle is positioned at signal coverage areas, then utilizes the location information of the signal acquisition vehicle of covering, location information is supplied to Hand held detection instrument 30 to search vehicle; If vehicle is positioned at the blind area not having quorum sensing inhibitor, then communicate with the Distributed probing instrument being positioned at blind area, make Distributed probing instrument obtain the blind zone position information of vehicle, and blind zone position information is supplied to Hand held detection instrument 30 to search vehicle.Multi-mode locating module 404 integrates GPS module, architecture module and radio frequency locating module, and is connected with message processing module 407.GPS module receiving satellite signal, architecture module obtains base station position information, radio frequency locating module and hand-held detection instrument and Distributed probing instrument carry out radio communication, accurate positioning function is realized by the preferred compositions of three kinds of locate modes, and vehicle position information is sent to message processing module 407, by message processing module 407, location information is supplied to remote controllers 40 and Hand held detection instrument 30.
The locked control module 405 of vehicle, after detecting that vehicle is stolen, damages the Primary Component of vehicle or vehicle is locked.Initiatively can be triggered to perform this locked operation or just trigger the locked control module of vehicle 405 after message processing module 407 receives the order of remote controllers 40 or the order of Hand held detection instrument 30 by the message processing module 407 of multi-mode car finding device 10 in the present embodiment and carry out the locked operation of vehicle.Lockedly to include but not limited to: motor is locked, electric power system is locked and vehicle control device is locked.
Power management and intelligent charging module 406, automatically the electricity of self independent current source is detected, be connected with Vehicle Power by microrelay, the independent current source controlling multi-mode car finding device utilizes Vehicle Power to charge, when multi-mode car finding device detects the stolen signal of vehicle, receive the instruction of wake module 403, start independent current source and power.
Message processing module 407, sends to remote controllers by the location information of vehicle and status information, makes remote controllers draw the complete trajectory of stolen vehicle movement based on received location information and status information.Message processing module 407 carries out data communication by the data channel such as SMS/GPRS/ radiofrequency signal and hand-held detection instrument, Distributed probing instrument and tele-control system.The location information of stolen vehicle is transferred to the data-interface 401 of tele-control system 40 by multi-mode locating module 10 by message processing module 407, and by information management unit 402 and geographic position display unit 403, the location information of vehicle and car status information are presented at visualization interface in real time, and by data-interface 401, key message is sent to user mobile phone 50, realize information completely and follow the tracks of.
Sound and light alarm module 408, is connected with message processing module 407, is received the instruction of hand-held detection instrument 30 and remote controllers by multiple data channel, starts the sound and light alarm of vehicle.
In the present embodiment, except wake module 403, other all module is in dormant state when vehicle state without exception or alarm message, information of vehicles can not be uploaded to remote controllers 40.When vehicle-state is abnormal, starts rapidly the work of other modules, and upload information of vehicles.Multi-mode car finding device 10 and the vehicle electronic system of the present embodiment are combined closely and are formed one, if multi-mode registration device 10 is removed or destroys, then be automatically locked, power-off or destroy the central control system of vehicle, make it normally work, the range of movement of restriction stolen vehicle.
The multi-mode car finding device of the present embodiment can sense vehicle is stolen in time signal, and trigger the location of vehicle and the operation such as locked, communicate with multi-functional remote controllers etc. with Hand held detection instrument, Distributed probing instrument simultaneously, realize omnibearing vehicle search and supervision, even if also accurately can locate stolen vehicle in blind area scope.This device has that cost is low, accurate positioning, non-blind area, data transmission security is high and respond feature rapidly, is applicable to monitoring and the supervision of Electrical Bicycle, all kinds of automobile or special medical equipment.
Multi-mode provided by the invention is sought car method and can be used programmable logic device (PLD) to realize, and also may be embodied as computer program, and this program product makes computing machine perform for demonstrated method.Described computer program comprises computer-readable recording medium, this medium comprises computer program logic or code section, for realizing each step of said method.Described computer-readable recording medium can be the built-in medium be mounted in a computer or the removable medium (such as hot-pluggable storage equipment) can dismantled from basic computer.Described built-in medium includes but not limited to rewritable nonvolatile memory, such as RAM, ROM and hard disk.Described removable medium includes but not limited to: optical storage media (such as CD-ROM and DVD), magneto-optic storage media (such as MO), magnetic recording medium (such as tape or portable hard drive), have the media (such as storage card) of built-in rewritable nonvolatile memory and have the media (such as ROM box) of built-in ROM.
It will be appreciated by those skilled in the art that any computer system with suitable programmer can both perform all steps of the method for the present invention be included in computer program.Although the most detailed description of the invention described in this specification sheets all lay particular emphasis on software program, realize the alternate embodiment of method provided by the invention in hardware equally within the scope of protection of present invention.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes in the implication and scope of the equivalency of claim are all included in the present invention.Any Reference numeral in claim should be considered as the claim involved by limiting.In addition, obviously " comprising " one word do not get rid of miscellaneous part, unit or step, odd number does not get rid of plural number.Multiple parts, unit or the device of stating in claim also can be realized by software or hardware by parts, unit or a device.
Disclosedly above be only preferred embodiments more of the present invention, can not limit the protection domain of the claims in the present invention with this, the equivalent variations done according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (18)
1. multi-mode seeks a car method, it is characterized in that, said method comprising the steps of:
When being arranged on the multi-mode car finding device on vehicle and the stolen signal of vehicle being detected, start the location to stolen vehicle;
If vehicle is positioned at signal coverage areas, then described multi-mode car finding device utilizes the location information of the signal acquisition vehicle covered, and described location information is supplied to Hand held detection instrument to search vehicle;
If vehicle is positioned at the blind area not having quorum sensing inhibitor, then utilizes the Distributed probing instrument being positioned at described blind area to obtain the blind zone position information of vehicle, described blind zone position information is supplied to described Hand held detection instrument to search vehicle.
2. method according to claim 1, is characterized in that, utilizes the Distributed probing instrument being positioned at described blind area to obtain the blind zone position information of vehicle, described blind zone position information is supplied to described Hand held detection instrument and comprises:
The Distributed probing instrument in blind area is utilized to obtain the blind zone position information of vehicle;
The blind zone position information of described vehicle is sent to the Distributed probing instrument outside blind area by the Distributed probing instrument in described blind area;
The blind zone position information of described vehicle is sent to described Hand held detection instrument by the Distributed probing instrument outside described blind area.
3. method according to claim 1 and 2, is characterized in that, the method that vehicle searched by described Hand held detection instrument comprises:
The radiofrequency signal that the electronic tag that described Hand held detection instrument adopts different azimuths and pitch angle to receive multi-mode car finding device sends;
Described Hand held detection instrument filters out RF signal strength maxim from received radiofrequency signal, azimuth corresponding for RF signal strength maxim and pitch angle is defined as stolen vehicle relative to the azimuth of measuring position and pitch angle;
Described Hand held detection instrument obtains the relative distance of stolen vehicle relative to measuring position according to the RF signal strength maxim at measuring position place;
Described Hand held detection instrument relative to the relative distance of measuring position, generates the geographic coordinates of stolen vehicle relative to the azimuth of measuring position and pitch angle and stolen vehicle according to the geographic coordinates of measuring position, stolen vehicle.
4. method according to claim 3, is characterized in that, described method also comprises:
When described Hand held detection instrument is positioned at blind area, obtain the geographic coordinates of measuring position residing for described Hand held detection instrument by carrying out communicating with described Distributed probing instrument.
5. method according to claim 1, is characterized in that, described method also comprises:
When relative distance between described Hand held detection instrument and stolen vehicle reaches the distance range of setting or when the described Hand held detection instrument RF signal strength received from described multi-mode car finding device reaches the threshold range of setting, start the sound and light alarm of described vehicle.
6. method according to claim 1, is characterized in that, described method also comprises:
The location information of stolen vehicle is sent to remote controllers by described multi-mode car finding device, and described remote controllers draw the complete trajectory of stolen vehicle movement according to the vehicle position information received.
7. method according to claim 1, is characterized in that, the stolen signal of described vehicle comprise in following signal one or more:
Vehicle acceleration signal in the power-off state;
The signal that described multi-mode car finding device is disassembled;
The alerting signal that remote controllers send.
8. method according to claim 1, is characterized in that, described method also comprises:
When multi-mode car finding device detects the stolen signal of vehicle, adopt the Primary Component that damages vehicle or mode locked for vehicle is limited vehicle operating.
9. method according to claim 1, is characterized in that, described method also comprises:
When multi-mode car finding device detects the stolen signal of vehicle, the independent current source starting described multi-mode car finding device is powered; Described independent current source utilizes Vehicle Power to charge.
10. multi-mode seeks a truck system, it is characterized in that, described system comprises multi-mode car finding device, Distributed probing instrument and Hand held detection instrument;
Described multi-mode car finding device, is arranged on vehicle, when the stolen signal of vehicle being detected, starts the location to stolen vehicle; If vehicle is positioned at signal coverage areas, then utilize the location information of the signal acquisition vehicle of covering, described location information is supplied to described Hand held detection instrument;
Described Distributed probing instrument, if stolen vehicle is positioned at the blind area not having quorum sensing inhibitor, then communicates with described multi-mode car finding device, obtains the blind zone position information of vehicle, and described blind zone position information is supplied to described Hand held detection instrument;
Described Hand held detection instrument, searches vehicle according to described location information or described blind zone position information.
11. systems according to claim 10, is characterized in that, described Distributed probing instrument comprises the Distributed probing instrument being positioned at blind area and the Distributed probing instrument be positioned at outside blind area;
Distributed probing instrument in described blind area, obtains the blind zone position information of vehicle, and is positioned at the Distributed probing instrument outside blind area described in the blind zone position information of described vehicle being supplied to;
Distributed probing instrument outside described blind area, sends to described Hand held detection instrument by the blind zone position information of described vehicle.
12. systems according to claim 10, is characterized in that, described system also comprises:
Remote controllers, receive the location information of described stolen vehicle, draw the complete trajectory of vehicle movement according to the vehicle position information received.
13. systems according to claim 10, is characterized in that,
Described multi-mode car finding device, also for when the stolen signal of vehicle being detected, adopting the Primary Component that damages vehicle or mode locked for vehicle is limited vehicle operating.
14. systems according to claim 10, is characterized in that,
Described multi-mode car finding device, also for when the stolen signal of vehicle being detected, the independent current source starting self is powered; Described independent current source utilizes Vehicle Power to charge.
15. 1 kinds of multi-mode car finding devices, is characterized in that, described device comprises:
Anti-dismantling induction module, detects signal that described multi-mode car finding device is disassembled as the stolen signal of vehicle;
De-energized induction module, detects described vehicle acceleration signal in the power-off state as the stolen signal of vehicle;
Wake module, when receiving the stolen signal of the described vehicle from described Anti-dismantling induction module and described de-energized induction module or when receiving the instruction of remote controllers, starts the work of multi-mode locating module;
Described multi-mode locating module, if vehicle is positioned at signal coverage areas, then utilizes the location information of the signal acquisition vehicle of covering, described location information is supplied to Hand held detection instrument to search vehicle; If vehicle is positioned at the blind area not having quorum sensing inhibitor, then communicate with the Distributed probing instrument being positioned at described blind area, make described Distributed probing instrument obtain the blind zone position information of vehicle, and described blind zone position information is supplied to described Hand held detection instrument to search vehicle.
16. devices according to claim 15, is characterized in that, described device also comprises:
Message processing module, sends to described remote controllers by the location information of described vehicle and status information, makes described remote controllers draw the complete trajectory of stolen vehicle movement based on received location information and status information.
17. devices according to claim 15, is characterized in that, described device also comprises:
The locked control module of vehicle, receives the instruction of hand-held detection instrument or remote controllers, damages the Primary Component of vehicle or vehicle is locked.
18. devices according to claim 15, is characterized in that, described device also comprises:
Power management and intelligent charging module, the independent current source controlling described multi-mode car finding device utilizes Vehicle Power to charge, and when multi-mode car finding device detects the stolen signal of vehicle, starts described independent current source and powers.
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| CN107302755A (en) * | 2017-08-07 | 2017-10-27 | 广州纳斯威尔信息技术有限公司 | The method and system that vehicle location is obtained |
| CN110488336A (en) * | 2018-05-15 | 2019-11-22 | 德尔福技术有限责任公司 | Vehicle Positioning Equipment |
| CN114548131A (en) * | 2022-01-26 | 2022-05-27 | 摩拜(北京)信息技术有限公司 | Battery positioning method, target vehicle, server and system |
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| CN104442700B (en) | 2017-04-26 |
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