CN104709231A - Intelligent key system based on automobile control system and working method thereof - Google Patents
Intelligent key system based on automobile control system and working method thereof Download PDFInfo
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- CN104709231A CN104709231A CN201510031460.5A CN201510031460A CN104709231A CN 104709231 A CN104709231 A CN 104709231A CN 201510031460 A CN201510031460 A CN 201510031460A CN 104709231 A CN104709231 A CN 104709231A
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- circuit
- intelligent key
- main frame
- mobile phone
- key
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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
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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
- B60R25/20—Means to switch the anti-theft system on or off
- B60R25/24—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user
Abstract
The invention provides an intelligent key system based on an automobile control system and a working method thereof and relates to an automobile key. According to the intelligent key system and the working method thereof, the structure is novel, the use procedure is clear, a user can obtain an automobile conveniently and timely. The intelligent key system comprises an intelligent key and a host connected with an automobile body controller in the automobile control system, the intelligent key comprises a first control unit, a first power source circuit, a first high frequency circuit, a first low frequency circuit, a first confidentiality circuit, a sound circuit, a display circuit and a vibration circuit; the host comprises a second control unit, a second storage circuit, a second power source circuit, a second high frequency circuit, a second low frequency circuit, a second confidentiality circuit, a wireless charging circuit and an automobile body network interface circuit. According to the intelligent key system based on the automobile control system and the working method thereof, the structure is novel, the use process is simple and convenient, the use procedure is clear, and a good use effect and great convenience are achieved through combination and application of a mobile phone, the intelligent key, the host and the automobile body controller.
Description
Technical field
The present invention relates to a kind of automobile key, particularly relate to a kind of full automatic vehicle key system based on vehicle control syetem and method of work thereof.
Background technology
Automobile BCM(automobile body control module) be one of most important module in automobile, mainly contain following three kinds of modes at present: distributing, centralized and distributed (bus type).BCM is used to control conventional " vehicle body " function not needing nonshared control unit, comprises vehicle window, Che Jing, Door Lock and car light and controls, and receives the function such as RF receptor from car key and tire pressure monitor information.In addition, BCM also has the gateway effect being transmitted data by network-bus between disparate modules.Because BCM connects multiple automobile bus, so it is the ideal platform for automobile increase New function.Although the demand of automobile BCM is different because of car, at present, the acquisition function to vehicle self-operating information, status information is included generally.
In the prior art, for improving key to the controlling functions of vehicle, there is a lot of relevant technology, such as State Patent Office's disclosed " intelligent anti-theft device of automobile, application number based on in-vehicle communication system: 201010253447.1 ", also take into account real-time for the constraint breaking through remote control distance simultaneously, and can allow the more convenient object learning vehicle-state more quickly of vehicle driver, provide a kind of intelligent anti-theft device of automobile utilizing body control system and in-vehicle communication system to realize.Its technical scheme comprises: Body control module, and it receives remote information, and carries out security settings to vehicle; In-vehicle communication system, it receives the security settings information from Body control module, and by this information real-time informing user.
But prior art does not propose for how to make effectively to connect between mobile phone, key, automobile three, thus the technical scheme that the relevant information etc. making user can obtain vehicle easily in conjunction with mobile phone is correlated with.
Summary of the invention
The present invention is directed to the deficiencies in the prior art, provide a kind of novel structure, use step clear, mobile phone, key and vehicle can be carried out actv. combination, even if thus the intelligent key system based on automotive control system making user's acquisition vehicle conveniently novel and method of work thereof.
Technical scheme of the present invention is: based on the intelligent key system of automotive control system, the main frame comprising Intelligent key and be connected with the car body controller in described automotive control system,
Described Intelligent key comprises: control unit one, power circuit one, high frequency circuit one, low-frequency channel one, secure circuit one, sound circuit, display circuit and vibrations circuit;
Power to control control unit one by power circuit one;
Receive by high frequency circuit one, send high-frequency signal;
Receive by low-frequency channel one, send low frequency signal;
The deciphering of data, encryption and contrast is carried out by secure circuit one;
Audible alarm, display alarm and vibration prompting is carried out respectively by sound circuit, display circuit and vibrations circuit;
Described storage circuit one, power circuit one, high frequency circuit one, low-frequency channel one, secure circuit one, sound circuit, display circuit and vibrations circuit are all connected with described control unit one, and all work under the control of control unit one;
Described main frame comprises: control unit two, storage circuit two, power circuit two, high frequency circuit two, low-frequency channel two, secure circuit two, wireless charging circuit and vehicle body network interface circuit;
The information of the Intelligent key matched and the quantity of Intelligent key is stored by storage circuit two;
Power to control unit two by power circuit two;
Receive by high frequency circuit two, send high-frequency signal;
Receive by low-frequency channel two, send low frequency signal;
The deciphering of data, encryption and contrast is carried out by secure circuit two;
By wireless charging circuit, Intelligent key is charged;
Be connected with car body controller by vehicle body network interface circuit;
Described storage circuit two, power circuit two, high frequency circuit two, low-frequency channel two, secure circuit two, wireless charging circuit and vehicle body network interface circuit are all connected with described control unit two, and all work under the control of control unit two.
Also comprise the mobile phone storing Based Intelligent Control APP, described mobile phone also has Bluetooth circuit two; Converse by Based Intelligent Control APP process blue-teeth data, calling mobile phone note, calling mobile phone or call GPS locating data;
Described Intelligent key also comprises storage circuit one and Bluetooth circuit one;
The information of the mobile phone matched and the quantity of mobile phone is stored by storage circuit one;
Be connected with the Bluetooth circuit two of mobile phone by Bluetooth circuit one.
Carry out work according to the following steps:
1), main frame and Intelligent key match;
1.1), main frame is made to enter learning state;
1.2), main frame transmits to car body controller;
1.3), any key pressed on Intelligent key, thus the ID of key information and Intelligent key is sent to main frame;
1.4), the high-frequency data sent by Intelligent key deciphered by main frame;
1.5), by secure circuit two determining step 1.4) in high-frequency data whether correct, be carry out next step; Otherwise exit;
1.6), by the data in the ID of Intelligent key and storage circuit two contrast, judge whether this Intelligent key learnt, and was, exited; Otherwise carry out next step;
1.7), judging in storage circuit two whether containing 4 different Intelligent key ID, is enter step 1.8); Otherwise enter step 1.9);
1.8) Intelligent key learnt before, by user being confirmed whether to cover enters next step; Otherwise exit;
1.9), by control unit two, the ID of Intelligent key is write in storage element two; Complete main frame and Intelligent key matches;
2), key and mobile phone match;
2.1), mobile phone-downloaded Based Intelligent Control APP, and complete installation;
2.2) connection of Bluetooth circuit one and Bluetooth circuit two, is completed;
2.3), judge whether it by certification, is enter next step by control unit one; Otherwise exit;
2.4) whether, be enter step 2.5) if, judging containing 3 mobile phones in storage circuit one; Otherwise enter step 2.6);
2.5) mobile phone matched before, by user being confirmed whether to cover enters next step; Otherwise exit;
2.6), by the information storage of mobile phone in storage circuit one;
2.7) in Based Intelligent Control APP, fill in the essential information of vehicle, 4S shop telephone number, programmed emergency phone and alarm call; Complete pairing;
3), Intelligent key is found by Based Intelligent Control APP;
3.1), by the Bluetooth circuit two of Based Intelligent Control APP starting hand-set;
3.2), continuous cell phone, until the spacing of mobile phone and Intelligent key is less than 10 meters, now, Bluetooth circuit two will be communicated with Bluetooth circuit one, thus trigger the sound circuit of Intelligent key and shake circuit;
4), open the door without key;
4.1), user presses grip handle button;
4.2), main frame opens low-frequency channel two, thus whether scanning car has Intelligent key outward, is, enters next step; Otherwise exit;
4.3), the low-frequency channel one of Intelligent key is waken up by the low frequency signal that low-frequency channel two sends, and sends high-frequency signal by high frequency circuit one;
4.4), main frame judges after receiving high-frequency signal whether this Intelligent key completes pairing, is, enters next step; Otherwise exit;
4.5), main frame transmits to car body controller, thus controls door unlock by car body controller;
5), start without key;
5.1), user presses one-shot button; 5.2), main frame by the Intelligent key in low-frequency channel two scanning car, and judges that whether Intelligent key is in assigned position, is enter next step; Otherwise exit;
5.3), main frame transmits to car body controller, and makes vehicle be in ACC state;
5.4), user presses one-shot button;
5.5), main frame transmits to car body controller, and makes vehicle be in ON state;
5.6), user presses one-shot button;
5.7), by car body controller judge whether user slams brake, is, enters next step; Otherwise exit;
5.8), main frame is opened secure circuit two, and is transmitted to Intelligent key by high frequency circuit two;
5.9), Intelligent key is decrypted by secure circuit one and is contrasted, if comparing result unanimously, then transmits to main frame by high frequency circuit one; If inconsistent, then exit;
5.10), main frame transmits to car body controller, and makes vehicle be in START state;
6), vehicle travel, Intelligent key charge;
6.1), judging that whether the electricity of Intelligent key is lower than 20%, is enter next step; Otherwise exit;
6.2), main frame open wireless charge circuit charges to Intelligent key;
6.3), judging that whether the electricity of Intelligent key is more than 90%, otherwise continue charging, is close wireless charging circuit;
7), intelligent car locking;
7.1), main frame sends low frequency signal, thus wakes Intelligent key up outside car, makes Intelligent key send high-frequency signal;
7.2), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
7.3), main frame sends vehicle-locking signal to car body controller, makes car body controller control car door and locks;
7.4), by car body controller check that whether vehicle body status is abnormal, and vehicle body status is sent to Intelligent key;
7.4.1), be, first open vibrations circuit and sound circuit report to the police, then enter step 7.5);
7.4.2) otherwise enter step 7.5);
7.5), Intelligent key shows vehicle body status by display circuit;
7.6), vehicle body status is sent to mobile phone by Bluetooth circuit one, and is presented on Based Intelligent Control APP by Intelligent key; Complete.
Also comprise Accident Handling Method, described Accident Handling Method carries out according to the following steps:
8), vehicle all standing time, judge whether safety air bag ejects, and is, enters step 8.1.1 by car body controller); Otherwise enter step 8.2.1);
8.1.1), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
8.1.2), check mobile phone whether to complete with Intelligent key match and be less than 50 meters with the spacing of car body controller, being enter next step, otherwise exiting;
8.1.3), emergency instruction is sent in mobile phone by main frame and Intelligent key by car body controller successively;
8.1.4), the note of Based Intelligent Control APP calling mobile phone and call function, and obtain the GPS locating data of mobile phone;
8.1.5), mobile phone first by GPS locating data and alarm message by short message sending to alarm call, then dial programmed emergency phone, and mobile phone be adjusted to hands-free state; Complete;
8.2.1) position of fault that, by car body controller checks vehicles and failure message, then enter next step if any fault; As trouble free then exits;
8.2.2), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
8.2.3), check mobile phone whether to complete with Intelligent key match and be less than 50 meters with the spacing of car body controller, being enter next step, otherwise exiting;
8.2.4), vehicle trouble position and failure message are sent in mobile phone by main frame and Intelligent key, and are presented in Based Intelligent Control APP by car body controller successively;
8.2.5), Based Intelligent Control APP calling mobile phone call function, and dial 4S shop telephone number; Complete.
The present invention is divided into the following steps on the whole: 1), main frame and Intelligent key match; 2), key and mobile phone match; 3), Intelligent key is found by Based Intelligent Control APP; 4), open the door without key; 5), start without key; 6), vehicle travel, Intelligent key charge; 7), intelligent car locking; Complete.Wherein, first complete the pairing of main frame and Intelligent key, key and mobile phone, thus make to carry out actv. connection between mobile phone, Intelligent key, main frame, car body controller; Again by step 3) finding key easily; After this, through without key open the door and without key on step after make vehicle enter normal motoring condition; And once find that the electricity of Intelligent key is lower than 20%, then can charge to Intelligent key via step 6) in vehicle travel process; Finally, after intelligent car locking, user can obtain the vehicle body status of vehicle easily on mobile phone, thus learns whether the parts such as car door, vehicle window, parking brake have occurred exception.Novel structure of the present invention, use procedure be easy, use step clear, has splendid result of use and convenience to the R. concomitans between mobile phone, Intelligent key, main frame, car body controller.
In addition, due to very low to the treatment effeciency of vehicle burst accident in prior art, therefore, the present invention is also provided with Accident Handling Method, thus when vehicle all standing, no matter there is major accident or minor accident, all carry out rapid reaction by Accident Handling Method of the present invention, and act accordingly, thus significantly shorten rescue time or the time of reporting for repairment.
Accompanying drawing explanation
Fig. 1 is the module map of Intelligent key,
Fig. 2 is the module map of main frame,
Fig. 3 is the module map of mobile phone;
Fig. 4 is the workflow diagram of step 1),
Fig. 5 is step 2) workflow diagram,
Fig. 6 is the workflow diagram of step 4),
Fig. 7 is the workflow diagram of step 5),
Fig. 8 is the workflow diagram of step 7),
Fig. 9 is the workflow diagram of step 8).
Detailed description of the invention
The present invention as shown in figs 1-9, the main frame comprising Intelligent key and be connected with the car body controller (BCM) in described automotive control system,
Described Intelligent key comprises: control unit one, power circuit one, high frequency circuit one, low-frequency channel one, secure circuit one (transpander circuit, another name responser, utilizes the mode transmission of information that read write line and RFID device gap intercouple with AC magnetic field), sound circuit, display circuit and vibrations circuit;
Power to control control unit one by power circuit one;
Receive by high frequency circuit one, send high-frequency signal;
Receive by low-frequency channel one, send low frequency signal;
The deciphering of data, encryption and contrast is carried out by secure circuit one;
Audible alarm (as buzzer phone sounding), display alarm (as system charge display) and vibration prompting (as shock sensor vibrations) is carried out respectively by sound circuit, display circuit and vibrations circuit;
Described storage circuit one, power circuit one, high frequency circuit one, low-frequency channel one, secure circuit one, sound circuit, display circuit and vibrations circuit are all connected with described control unit one, and all work under the control of control unit one;
Described main frame comprises: control unit two, storage circuit two, power circuit two, high frequency circuit two, low-frequency channel two, secure circuit two (IMMO, Immobilizer, anti-theft locking system of engine), wireless charging circuit and vehicle body network interface circuit (LIN or CAN, LIN (LocalInterconnectNetwork): a kind of serial communications network of low cost, controls for the distributed electronic system realized in automobile; CAN(Controller Area Network): controller local area network; );
The information of the Intelligent key matched and the quantity of Intelligent key is stored by storage circuit two;
Power to control unit two by power circuit two; Can be 5V power supply by the 12V power conversion in automobile;
Receive by high frequency circuit two, send high-frequency signal;
Receive by low-frequency channel two, send low frequency signal;
The deciphering of data, encryption and contrast is carried out by secure circuit two;
By wireless charging circuit, Intelligent key is charged;
Be connected with car body controller by vehicle body network interface circuit;
Described storage circuit two, power circuit two, high frequency circuit two, low-frequency channel two, secure circuit two, wireless charging circuit and vehicle body network interface circuit are all connected with described control unit two, and all work under the control of control unit two.
Also comprise the mobile phone storing Based Intelligent Control APP, described mobile phone also comprises cell phone system and Bluetooth circuit two; Converse by Based Intelligent Control APP process blue-teeth data, calling mobile phone note, calling mobile phone or call GPS locating data;
Described Intelligent key also comprises storage circuit one and Bluetooth circuit one;
The information of the mobile phone matched and the quantity of mobile phone is stored by storage circuit one; Thus the loss of data caused after avoiding Intelligent key dead electricity;
Be connected with the Bluetooth circuit two of mobile phone by Bluetooth circuit one.
The present invention carries out work according to the following steps:
1), main frame and Intelligent key match, as shown in Figure 4;
1.1), main frame is made to enter learning state; The method that general main frame enters study has: a, by diagnostic equipment by LIN or CAN send key study order to BCM, then BCM again by LIN or CAN send order to main frame; B, by carrying out certain operations (such as: the continuous switch of car door 3 times) to vehicle body, after automobile body B CM detects these operations, just send study order to main frame by LIN or CAN.After main frame receives study order by LIN or CAN, just start the high frequency message waiting for that key sends over, if through after a while after (such as: 5s), also do not receive high-frequency data, then main frame exits learning state automatically, and passes through LIN or CAN by feedback of status to automobile body B CM;
1.2), main frame transmits to car body controller (BCM); After main frame is in learning state, to need this feedback of status by LIN or CAN to BCM, tell BCM that main frame successfully enters learning state, make BCM after receiving this message by LIN or CAN, the present anti theft host of user is pointed out to enter learning state by driving car light or loudspeaker (such as: car headlight dodges 3 times, horns blared one sound);
1.3), any key pressed on Intelligent key, thus the ID of key information and Intelligent key is sent to main frame; User is after seeing information, know that main frame enters learning state, then the button pinned according to the rules on the key (is generally defined by depot, such as: pin locking key simultaneously and conciliate locking key), then the ID of key information and Intelligent key is sent to main frame by high frequency circuit one by Intelligent key;
1.4), the high-frequency data sent by Intelligent key deciphered by main frame; Main frame receives by high frequency circuit two information that Intelligent key sends, and is decrypted by secure circuit two.
1.5), by secure circuit two determining step 1.4) in high-frequency data whether correct, be carry out next step; Otherwise exit;
1.6), by the data in the ID of Intelligent key and storage circuit two contrast, judge whether this Intelligent key learnt, and was, exited; Otherwise carry out next step;
1.7), judging in storage circuit two whether containing 4 different Intelligent key ID, is enter step 1.8); Otherwise enter step 1.9);
1.8) Intelligent key learnt before, by user being confirmed whether to cover enters next step; Otherwise exit; Due in storage circuit two containing the ID of 4 Intelligent key, therefore, need user be confirmed whether to cover before Intelligent key, or abort operation;
1.9), by control unit two, the ID of Intelligent key is write in storage element two; Complete main frame and Intelligent key matches.
2), key and mobile phone match, as shown in Figure 5;
2.1), mobile phone-downloaded Based Intelligent Control APP, and complete installation;
2.2) connection of Bluetooth circuit one and Bluetooth circuit two, is completed; Open mobile phone bluetooth function, the bluetooth equipment near search, then when searching out key bluetooth, click connection, carry out certification;
2.3), judge whether it by certification, is enter next step by control unit one; Otherwise exit; The Rule of judgment of certification is: whether the authentication password in both communication processs is identical.If identical, then pass through certification; If different, then certification is not passed through, and connects unsuccessfully;
2.4) whether, be enter step 2.5) if, judging containing 3 mobile phones in storage circuit one; Otherwise enter step 2.6);
2.5) mobile phone matched before, by user being confirmed whether to cover enters next step; Otherwise exit;
2.6), by the information storage of mobile phone in storage circuit one;
2.7) in Based Intelligent Control APP, fill in the essential information of vehicle, 4S shop telephone number, programmed emergency phone and alarm call; Complete pairing.
3), Intelligent key is found by Based Intelligent Control APP;
3.1), by the Bluetooth circuit two of Based Intelligent Control APP starting hand-set;
3.2), continuous cell phone, until the spacing of mobile phone and Intelligent key is less than 10 meters, now, Bluetooth circuit two will be communicated with Bluetooth circuit one, thus trigger the sound circuit of Intelligent key and shake circuit; Thus make the user of handheld mobile phone can find Intelligent key easily.
4), without key open the door, as shown in Figure 6;
4.1), user presses grip handle button; Thus give main frame hardware trigger, main frame is waken up from low-power consumption mode;
4.2), main frame opens low-frequency channel two, thus whether scanning car has Intelligent key outward, is, enters next step; Otherwise exit;
4.3), the low-frequency channel one of Intelligent key is waken up by the low frequency signal that low-frequency channel two sends, and sends high-frequency signal by high frequency circuit one;
4.4), main frame judges after receiving high-frequency signal whether this Intelligent key completes pairing, is, enters next step; Otherwise exit;
4.5), main frame transmits to car body controller, thus controls door unlock by car body controller; BCM by door unlock, and points out (such as: car light dodges 1 time, horns blared 1 sound) by vehicle body to user.
5), without key start, as shown in Figure 7; Now be in LOCK state, automobile is locked, and bearing circle can not have too large activity;
5.1), user presses one-shot button;
5.2), main frame by the Intelligent key in low-frequency channel two scanning car, and judges that whether Intelligent key is assigned position (being inserted in default key hole), is enter next step; Otherwise exit;
5.3), main frame transmits to car body controller, and makes vehicle be in ACC state; Namely ACC gives the energising of full car, and radio receiver, car light etc. can normally use, cannot using air-condition;
5.4), user presses one-shot button;
5.5), main frame transmits to car body controller, and makes vehicle be in ON state; ON is namely except starter, and remaining infrastructure device is all open, and can unlock for bearing circle, can using air-condition, but air-conditioning is without refrigeration, because now compressor does not start, only has blowing engine to operate, and what produce by boasting is natural wind; During normal driving, key is in ON state, and at this moment the complete all circuit of car are all in running order;
5.6), user presses one-shot button;
5.7), by car body controller judge whether user slams brake, is, enters next step; Otherwise exit;
5.8), main frame is opened secure circuit two, and is transmitted to Intelligent key by high frequency circuit two; Namely IMMO certification is carried out;
5.9), Intelligent key is decrypted by secure circuit one and contrasted, and judges that whether comparing result is consistent, if comparing result is consistent, then transmits to main frame by high frequency circuit one; If inconsistent, then exit;
5.10), main frame transmits to car body controller, and makes vehicle be in START state; START and start a car, start the engine, oil consumption, opens car, and air-conditioning starts refrigeration.
6), vehicle travel, Intelligent key charge;
6.1), judging that whether the electricity of Intelligent key is lower than 20%, is enter next step; Otherwise exit;
6.2), main frame open wireless charge circuit charges to Intelligent key; Main frame makes wireless charging circuit (i.e. a charge coil) start working, and is placed on by Intelligent key on coil, just can charges;
6.3), judging that whether the electricity of Intelligent key is more than 90%, otherwise continue charging, is close wireless charging circuit; With regard to inquiry, main frame certain interval of time (10min) asks that key once, judge whether the electricity of Intelligent key is full of.If be full of, main frame then cuts out wireless charging circuit; If no, then continue charging.
7), intelligent car locking, as shown in Figure 8;
7.1), main frame sends low frequency signal, thus wakes Intelligent key up outside car, makes Intelligent key send high-frequency signal;
7.2), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit; The ID stored in the ID of Intelligent key and storage circuit two contrasts, thus judges whether the Intelligent key outside car completes pairing with main frame after receiving the high-frequency signal that Intelligent key sends by main frame;
7.3), main frame sends vehicle-locking signal to car body controller, makes car body controller control car door and locks;
7.4), by car body controller check that whether vehicle body status is abnormal, and vehicle body status is sent to Intelligent key; By BCM, a complete detection is carried out to vehicle body status, whether the parts such as car door, vehicle window, parking brake are judged extremely;
7.4.1), be, first open vibrations circuit and sound circuit report to the police, then enter step 7.5); Like this, once the parts such as car door, vehicle window, parking brake occur abnormal, then Intelligent key will be reported to the police, thus reminding user processes in time;
7.4.2) otherwise enter step 7.5);
7.5), Intelligent key shows vehicle body status by display circuit;
7.6), vehicle body status is sent to mobile phone by Bluetooth circuit one, and is presented on Based Intelligent Control APP by Intelligent key; Complete.
The present invention also comprises Accident Handling Method, and described Accident Handling Method carries out according to the following steps:
8), vehicle all standing time, judge whether safety air bag ejects, and is, enters step 8.1.1 by car body controller); Otherwise enter step 8.2.1), as shown in Figure 9; To BCM, main frame inquires whether safety air bag ejects, thus judge the order of severity of accident, if air bag ejects, then major accident occurs, may have some casualties; If do not eject, then may vehicle be that glitch or little grazing occur;
8.1.1), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
8.1.2), check mobile phone whether to complete with Intelligent key match and be less than 50 meters with the spacing of car body controller, being enter next step, otherwise exiting; By step 8.1.1) and step 8.1.2) to guarantee that following step can effectively be carried out;
8.1.3), emergency instruction is sent in mobile phone by main frame and Intelligent key by car body controller successively;
8.1.4), the note of Based Intelligent Control APP calling mobile phone and call function, and obtain the GPS locating data of mobile phone;
8.1.5), mobile phone first by GPS locating data and alarm message by short message sending to alarm call, then dial programmed emergency phone, and mobile phone be adjusted to hands-free state; Complete; After mobile phone receives emergency instruction, making a response under the control of Based Intelligent Control APP immediately, thus make a series of actions such as warning, contact emergency contact person, making vehicle when there is major accident, effective shortening rescue time, improve driving safety greatly.
8.2.1) position of fault that, by car body controller checks vehicles and failure message, then enter next step if any fault; As trouble free then exits; The problem of the tire pressure that may exist, car light, oil circuit, vehicle body is investigated;
8.2.2), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
8.2.3), check mobile phone whether to complete with Intelligent key match and be less than 50 meters with the spacing of car body controller, being enter next step, otherwise exiting;
8.2.4), vehicle trouble position and failure message are sent in mobile phone by main frame and Intelligent key, and are presented in Based Intelligent Control APP by car body controller successively;
8.2.5), Based Intelligent Control APP calling mobile phone call function, and dial 4S shop telephone number; Complete.Report the great convenience brought to vehicle for repairment, make process of reporting for repairment more convenient, quick.
The present invention is in Accident Handling Method, first whether safety air bag is ejected and make detection, and be divided into following two kinds of situations: one, safety air bag ejects, qualitative is major accident, will directly by control mobile phone by GPS locating data and alarm message by short message sending to alarm call, dial programmed emergency phone again, and mobile phone is adjusted to hands-free state; Two, safety air bag does not eject, and qualitative is minor accident, will make detection to vehicle body, thus on Based Intelligent Control APP, demonstrate position of fault and the failure message of vehicle, and controls mobile phone dialing 4S shop telephone number.
Like this, when vehicle all standing, no matter there is major accident or minor accident, all carry out rapid reaction by Accident Handling Method of the present invention, and act accordingly, thus significantly shorten rescue time or the time of reporting for repairment.
Here is for the lexical or textual analysis to english abbreviation of the present invention:
BCM (BodyCon-trolModule): automobile body control module;
Transponder: another name responser, utilizes the mode transmission of information that read write line and RFID device gap intercouple with AC magnetic field;
LIN (LocalInterconnectNetwork): a kind of serial communications network of low cost, controls for the distributed electronic system realized in automobile;
CAN(Controller Area Network): controller local area network;
IIC (Inter-IntegratedCircuit): IC bus is a kind of multidirectional control bus;
SPI(setial peripheralinterface): at a high speed, full duplex, synchronous communication bus;
IMMO(Immobilizer): anti-theft locking system of engine;
EEPROM(Electrically-Erasable Programmable Read-Only Memory): the electronics formula of erasing can make carbon copies read-only memory (ROM);
APP (Application): the third party application of smart mobile phone;
GPS(GlobalPositioningSystem): global positioning system.
Claims (4)
1., based on the intelligent key system of automotive control system, the main frame comprising Intelligent key and be connected with the car body controller in described automotive control system, is characterized in that,
Described Intelligent key comprises: control unit one, power circuit one, high frequency circuit one, low-frequency channel one, secure circuit one, sound circuit, display circuit and vibrations circuit;
Power to control control unit one by power circuit one;
Receive by high frequency circuit one, send high-frequency signal;
Receive by low-frequency channel one, send low frequency signal;
The deciphering of data, encryption and contrast is carried out by secure circuit one;
Audible alarm, display alarm and vibration prompting is carried out respectively by sound circuit, display circuit and vibrations circuit;
Described storage circuit one, power circuit one, high frequency circuit one, low-frequency channel one, secure circuit one, sound circuit, display circuit and vibrations circuit are all connected with described control unit one, and all work under the control of control unit one;
Described main frame comprises: control unit two, storage circuit two, power circuit two, high frequency circuit two, low-frequency channel two, secure circuit two, wireless charging circuit and vehicle body network interface circuit;
The information of the Intelligent key matched and the quantity of Intelligent key is stored by storage circuit two;
Power to control unit two by power circuit two;
Receive by high frequency circuit two, send high-frequency signal;
Receive by low-frequency channel two, send low frequency signal;
The deciphering of data, encryption and contrast is carried out by secure circuit two;
By wireless charging circuit, Intelligent key is charged;
Be connected with car body controller by vehicle body network interface circuit;
Described storage circuit two, power circuit two, high frequency circuit two, low-frequency channel two, secure circuit two, wireless charging circuit and vehicle body network interface circuit are all connected with described control unit two, and all work under the control of control unit two.
2. the intelligent key system based on automotive control system according to claim 1, is characterized in that, also comprises the mobile phone storing Based Intelligent Control APP, and described mobile phone also has Bluetooth circuit two; Converse by Based Intelligent Control APP process blue-teeth data, calling mobile phone note, calling mobile phone or call GPS locating data;
Described Intelligent key also comprises storage circuit one and Bluetooth circuit one;
The information of the mobile phone matched and the quantity of mobile phone is stored by storage circuit one;
Be connected with the Bluetooth circuit two of mobile phone by Bluetooth circuit one.
3. the method for work of the intelligent key system based on automotive control system according to claim 1, is characterized in that, carries out work according to the following steps:
1), main frame and Intelligent key match;
1.1), main frame is made to enter learning state;
1.2), main frame transmits to car body controller;
1.3), any key pressed on Intelligent key, thus the ID of key information and Intelligent key is sent to main frame;
1.4), the high-frequency data sent by Intelligent key deciphered by main frame;
1.5), by secure circuit two determining step 1.4) in high-frequency data whether correct, be carry out next step; Otherwise exit;
1.6), by the data in the ID of Intelligent key and storage circuit two contrast, judge whether this Intelligent key learnt, and was, exited; Otherwise carry out next step;
1.7), judging in storage circuit two whether containing 4 different Intelligent key ID, is enter step 1.8); Otherwise enter step 1.9);
1.8) Intelligent key learnt before, by user being confirmed whether to cover enters next step; Otherwise exit;
1.9), by control unit two, the ID of Intelligent key is write in storage element two; Complete main frame and Intelligent key matches;
2), key and mobile phone match;
2.1), mobile phone-downloaded Based Intelligent Control APP, and complete installation;
2.2) connection of Bluetooth circuit one and Bluetooth circuit two, is completed;
2.3), judge whether it by certification, is enter next step by control unit one; Otherwise exit;
2.4) whether, be enter step 2.5) if, judging containing 3 mobile phones in storage circuit one; Otherwise enter step 2.6);
2.5) mobile phone matched before, by user being confirmed whether to cover enters next step; Otherwise exit;
2.6), by the information storage of mobile phone in storage circuit one;
2.7) in Based Intelligent Control APP, fill in the essential information of vehicle, 4S shop telephone number, programmed emergency phone and alarm call; Complete pairing;
3), Intelligent key is found by Based Intelligent Control APP;
3.1), by the Bluetooth circuit two of Based Intelligent Control APP starting hand-set;
3.2), continuous cell phone, until the spacing of mobile phone and Intelligent key is less than 10 meters, now, Bluetooth circuit two will be communicated with Bluetooth circuit one, thus trigger the sound circuit of Intelligent key and shake circuit;
4), open the door without key;
4.1), user presses grip handle button;
4.2), main frame opens low-frequency channel two, thus whether scanning car has Intelligent key outward, is, enters next step; Otherwise exit;
4.3), the low-frequency channel one of Intelligent key is waken up by the low frequency signal that low-frequency channel two sends, and sends high-frequency signal by high frequency circuit one;
4.4), main frame judges after receiving high-frequency signal whether this Intelligent key completes pairing, is, enters next step; Otherwise exit;
4.5), main frame transmits to car body controller, thus controls door unlock by car body controller;
5), start without key;
5.1), user presses one-shot button; 5.2), main frame by the Intelligent key in low-frequency channel two scanning car, and judges that whether Intelligent key is in assigned position, is enter next step; Otherwise exit;
5.3), main frame transmits to car body controller, and makes vehicle be in ACC state;
5.4), user presses one-shot button;
5.5), main frame transmits to car body controller, and makes vehicle be in ON state;
5.6), user presses one-shot button;
5.7), by car body controller judge whether user slams brake, is, enters next step; Otherwise exit;
5.8), main frame is opened secure circuit two, and is transmitted to Intelligent key by high frequency circuit two;
5.9), Intelligent key is decrypted by secure circuit one and is contrasted, if comparing result unanimously, then transmits to main frame by high frequency circuit one; If inconsistent, then exit;
5.10), main frame transmits to car body controller, and makes vehicle be in START state;
6), vehicle travel, Intelligent key charge;
6.1), judging that whether the electricity of Intelligent key is lower than 20%, is enter next step; Otherwise exit;
6.2), main frame open wireless charge circuit charges to Intelligent key;
6.3), judging that whether the electricity of Intelligent key is more than 90%, otherwise continue charging, is close wireless charging circuit;
7), intelligent car locking;
7.1), main frame sends low frequency signal, thus wakes Intelligent key up outside car, makes Intelligent key send high-frequency signal;
7.2), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
7.3), main frame sends vehicle-locking signal to car body controller, makes car body controller control car door and locks;
7.4), by car body controller check that whether vehicle body status is abnormal, and vehicle body status is sent to Intelligent key;
7.4.1), be, first open vibrations circuit and sound circuit report to the police, then enter step 7.5);
7.4.2) otherwise enter step 7.5);
7.5), Intelligent key shows vehicle body status by display circuit;
7.6), vehicle body status is sent to mobile phone by Bluetooth circuit one, and is presented on Based Intelligent Control APP by Intelligent key; Complete.
4. the method for work of the intelligent key system based on automotive control system according to claim 3, is characterized in that, also comprise Accident Handling Method, and described Accident Handling Method carries out according to the following steps:
8), vehicle all standing time, judge whether safety air bag ejects, and is, enters step 8.1.1 by car body controller); Otherwise enter step 8.2.1);
8.1.1), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
8.1.2), check mobile phone whether to complete with Intelligent key match and be less than 50 meters with the spacing of car body controller, being enter next step, otherwise exiting;
8.1.3), emergency instruction is sent in mobile phone by main frame and Intelligent key by car body controller successively;
8.1.4), the note of Based Intelligent Control APP calling mobile phone and call function, and obtain the GPS locating data of mobile phone;
8.1.5), mobile phone first by GPS locating data and alarm message by short message sending to alarm call, then dial programmed emergency phone, and mobile phone be adjusted to hands-free state; Complete;
8.2.1) position of fault that, by car body controller checks vehicles and failure message, then enter next step if any fault; As trouble free then exits;
8.2.2), whether verifying smart key completes pairing with main frame, is enter next step; Otherwise exit;
8.2.3), check mobile phone whether to complete with Intelligent key match and be less than 50 meters with the spacing of car body controller, being enter next step, otherwise exiting;
8.2.4), vehicle trouble position and failure message are sent in mobile phone by main frame and Intelligent key, and are presented in Based Intelligent Control APP by car body controller successively;
8.2.5), Based Intelligent Control APP calling mobile phone call function, and dial 4S shop telephone number; Complete.
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