CN113978411A - Automobile keyless door unlocking method and system - Google Patents
Automobile keyless door unlocking method and system Download PDFInfo
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- CN113978411A CN113978411A CN202111348608.XA CN202111348608A CN113978411A CN 113978411 A CN113978411 A CN 113978411A CN 202111348608 A CN202111348608 A CN 202111348608A CN 113978411 A CN113978411 A CN 113978411A
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- vehicle
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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
- B60R25/2018—Central base unlocks or authorises unlocking
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Abstract
The invention belongs to the technical field of automobiles, and relates to a keyless automobile door unlocking method and system; the system comprises a vehicle door unlocking module, CAN communication and a vehicle body controller BCM; the method comprises the following steps: setting the operation sequence of a vehicle door handle on a vehicle machine; the set operation sequence of the vehicle door handle is sent to a vehicle door unlocking module through CAN communication; operating a vehicle door handle, and matching the vehicle door handle with a set operation sequence of the vehicle door handle after the vehicle door unlocking module collects the motion; after the matching is successful, through identity verification, the door unlocking module is transmitted to a vehicle body controller BCM through CAN communication to identify a correct door handle operation sequence; the BCM receives the unlocking request signal and then controls unlocking, so that the keyless automobile door of the automobile is unlocked; compared with the traditional door opening mode by window breaking or technical unlocking, the invention causes time, money and vehicle loss, does not damage the vehicle, and simultaneously avoids the risk of vehicle theft caused by the fact that some vehicle owners hide spare keys on the vehicle.
Description
Technical Field
The invention belongs to the technical field of automobiles, and relates to an automobile keyless automobile door unlocking method and system.
Background
When the owner carelessly loses the car key in the car, the car automatically locks again, or forgets to take the car key, and can not unlock, the car door can only be opened by adopting a window breaking or technical unlocking mode, so that the time, money and car loss are caused.
CN105672784A discloses a vehicle door unlocking method and system based on external touch input, and the vehicle door unlocking method based on external touch input comprises the following steps: judging whether an intelligent key of the vehicle is detected or not and whether the distance between the intelligent key and the vehicle is smaller than a preset distance or not; if so, starting a laser transmitter to project a plurality of light spots on side glass of the vehicle; detecting the sequence of user sliding light spots according to an output signal of a touch input area on the side glass, and calculating an unlocking pattern of the user according to the sequence of the sliding light spots; and judging whether the unlocking pattern is consistent with a prestored unlocking pattern or not, if so, unlocking the vehicle door, and if not, not unlocking the vehicle door. The vehicle door unlocking method and system based on the external touch input are convenient to use and have high safety level.
CN105741396A discloses an automobile door unlocking method and system, the automobile door unlocking method includes: judging whether an intelligent key of the vehicle is detected or not and whether the distance between the intelligent key and the vehicle is smaller than a preset distance or not; if so, starting a laser transmitter to project a plurality of light spots on side glass of the vehicle; detecting the sequence of the light spots shielded on the side glass of the vehicle by a user through detecting whether the output signal of the laser receiver corresponding to each light spot jumps or not and the time sequence of the jumping, and calculating the unlocking pattern of the user according to the sequence of the shielded light spots; and judging whether the unlocking pattern is consistent with a prestored unlocking pattern or not, if so, unlocking the vehicle door, and if not, not unlocking the vehicle door. The automobile door unlocking method and the automobile door unlocking system are convenient to use and have high safety level.
The above-mentioned patent is different from the present application.
Disclosure of Invention
The invention aims to solve the technical problem that in the prior art, when an owner carelessly loses a car key in a car, the car automatically locks or forgets to take the car key, and the car door cannot be unlocked, the car door can only be opened by adopting a window breaking or technical unlocking mode, and provides a keyless car door unlocking method and a keyless car door unlocking system for the car.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
A keyless vehicle door unlocking method for an automobile comprises the following steps:
firstly, setting a door handle operation sequence on a vehicle machine (a vehicle center console infotainment system host);
step two, the set operation sequence of the vehicle door handle is sent to a vehicle door unlocking module through CAN communication and stored;
thirdly, operating a vehicle door handle, and matching the vehicle door handle operation sequence set in the first step after the vehicle door unlocking module performs motion acquisition;
after matching is successful, through identity verification, the door unlocking module is transmitted to the vehicle body controller BCM through CAN communication to identify a correct door handle operation sequence;
and step five, the BCM receives the unlocking request signal and then controls unlocking, so that the keyless automobile door of the automobile is unlocked.
Further, in the first step, the operation sequence of the vehicle door handle is set and sent to an internal flash of a micro control unit MCU in the vehicle door unlocking module for storage.
Further, the control flow of the micro control unit MCU in the vehicle door unlocking module is as follows:
1) initializing and self-checking a Micro Control Unit (MCU), wherein the initialization comprises the initialization of a watchdog module, CAN communication, LIN communication and the initialization and self-checking of internal flash;
2) whether CAN communication data of a vehicle machine (a vehicle center console infotainment system host) are received or not is checked, and if the CAN communication data of the vehicle machine are received, whether a vehicle door unlocking sequence signal transmitted by the vehicle machine is judged;
3) if the vehicle door handle operation sequence signal is transmitted by the vehicle machine, storing the data into an internal flash of a Micro Control Unit (MCU), and transmitting the data to the vehicle machine through CAN communication to store the vehicle door handle operation sequence signal into the internal flash;
4) detecting whether a door handle operation sequence signal is received or not, and if different door handle operation sequence signals are received, matching the door handle operation sequence signal with a signal in an internal flash;
5) if the matching is successful, the micro control unit MCU sends a matching success signal to the vehicle body controller BCM through CAN communication, and the vehicle door is unlocked;
6) if the operation time of the door handle operation sequence signal is more than or equal to 30 seconds, the operation error frequency is more than or equal to 3 times and continuously exceeds 3 times, the MCU automatically forbids the function, and the program exits.
Further, setting between the third step and the fourth step: the operation time for unlocking the vehicle door is less than 30 seconds, and the operation error times are less than 3 times.
Further, the operation sequence of the door handles in the step one is set by the vehicle machine, for example, the left front door is opened twice continuously, the right rear door is opened three times continuously, the left rear door is opened four times continuously, and the right front door is opened three times continuously.
A keyless vehicle door unlocking system for an automobile comprises a vehicle door unlocking module, CAN communication and a vehicle body controller BCM;
the door unlocking module comprises a micro control unit MCU, and the micro control unit MCU is transmitted to the vehicle body controller BCM through CAN communication to identify the correct door handle operation sequence.
Compared with the prior art, the invention has the beneficial effects that:
compared with the traditional door opening mode by window breaking or technical unlocking, the invention causes time, money and vehicle loss, does not damage the vehicle, and simultaneously avoids the risk of vehicle theft caused by the fact that some vehicle owners hide spare keys on the vehicle.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a flow chart of a method for unlocking a keyless vehicle door of a vehicle according to the present invention;
FIG. 2 is a schematic view of a door handle operating sequence of a keyless door unlocking system for an automobile according to the present invention;
FIG. 3 is a control flow chart of a micro control unit MCU of the automobile keyless entry unlocking system according to the invention.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
The invention is described in detail below with reference to the attached drawing figures:
a keyless automobile door unlocking system method for an automobile comprises the following steps:
firstly, setting a special door handle operation sequence on a vehicle machine, for example, sequentially setting a left front door to continuously open a handle twice, a right rear door to continuously open a handle three times, a left rear door to continuously open a handle four times, and a right front door to continuously open a handle three times.
And step two, the set door handle operation sequence is sent to the keyless door unlocking hardware module of the automobile through CAN communication and stored in an internal flash of the MCU, and the MCU feeds back the operation sequence to the automobile machine and informs an automobile owner of successful setting.
And step three, operating a vehicle door handle, and matching the vehicle keyless door unlocking module with a set operation sequence after motion collection.
And step four, the operation time of the vehicle door is less than 30 seconds, the operation error frequency is less than 3 times and exceeds 3 times, and the function is automatically forbidden.
And step five, if the collected sequence is that the left front door is continuously provided with the handle twice, the right rear door is continuously provided with the handle three times, the left rear door is continuously provided with the handle four times, and the right front door is continuously provided with the handle three times, which is specifically shown in fig. 2. The operation sequence is successfully matched, and through identity verification, the vehicle door unlocking module tells the vehicle body controller BCM to identify correct door opening action through CAN communication.
And step six, the BCM receives the unlocking request signal and controls unlocking. Thereby realizing the keyless automobile door unlocking.
A keyless vehicle door unlocking system and method for an automobile realize the function that an owner can unlock the automobile without carrying a key.
A keyless vehicle door unlocking system for an automobile comprises a vehicle door unlocking module, CAN communication and a vehicle body controller BCM;
the door unlocking module comprises a micro control unit MCU, and the micro control unit MCU controls the body controller BCM to identify the correct door handle operation sequence through CAN communication.
The principle of the method is that after the special door handle operation times and sequence are set on a vehicle-mounted central control screen of an automobile, as shown in fig. 1 and fig. 2, the vehicle-mounted machine transmits the set sequence to an internal flash of a main control MCU in a vehicle keyless door unlocking module for storage through CAN communication, when a vehicle owner carelessly loses a vehicle key in the vehicle, the vehicle automatically unlocks and cannot unlock the vehicle, door handle actions are carried out according to the set sequence, after the door handle operation sequence set on the vehicle-mounted machine is matched successfully, through identity verification, the vehicle-mounted door unlocking module tells a vehicle body controller BCM to identify correct door opening actions through CAN communication, and the BCM receives an unlocking request signal and controls unlocking. Thereby realizing the keyless automobile door unlocking. In order to ensure false triggering and malicious unlocking, the system is set to have the door operation time less than 30 seconds and the operation error times less than 3.
Referring to fig. 3, the program flow and contents in the main control MCU of the "keyless car door unlocking module" are substantially as follows:
the MCU represents a micro control unit.
7) Firstly, initializing and self-checking the MCU, wherein the initialization mainly comprises the initialization of an automatic reset module under abnormal program conditions, CAN communication, LIN communication and the initialization and self-checking of internal flash;
8) whether CAN communication data of the vehicle machine are received or not is checked, and if the CAN communication data of the vehicle machine are received, whether a vehicle door unlocking sequence signal transmitted by the vehicle machine is received or not is judged;
9) if the door unlocking sequence signal transmitted by the vehicle machine is received, storing the data into an MCU internal flash, and simultaneously informing the vehicle machine that the door unlocking sequence signal is well stored into the MCU internal flash through CAN communication;
10) detecting whether a vehicle door opening and closing handle signal is received or not, and if different vehicle door continuous opening and closing signals are received, matching the signals in the internal flash;
11) if matching is successful, a matching success signal is sent to a vehicle body control BCM through CAN communication, and a vehicle door is unlocked;
12) if the operation time of the door switch handle signal is more than or equal to 30 seconds, the operation error frequency is more than or equal to 3 times and continuously exceeds 3 times, the MCU automatically forbids the function, and the program exits.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims. And those not described in detail in this specification are well within the skill of those in the art.
Claims (6)
1. A keyless vehicle door unlocking method is characterized by comprising the following steps:
step one, setting a door handle operation sequence on a vehicle machine;
step two, the set operation sequence of the vehicle door handle is sent to a vehicle door unlocking module through CAN communication and stored;
thirdly, operating a vehicle door handle, and matching the vehicle door handle operation sequence set in the first step after the vehicle door unlocking module performs motion acquisition;
after matching is successful, through identity verification, the door unlocking module is transmitted to the vehicle body controller BCM through CAN communication to identify a correct door handle operation sequence;
and step five, the BCM receives the unlocking request signal and then controls unlocking, so that the keyless automobile door of the automobile is unlocked.
2. The method for unlocking a keyless vehicle door according to claim 1, wherein:
and in the first step, the operation sequence of the vehicle door handle is set and sent to an internal flash of a micro control unit MCU in the vehicle door unlocking module for storage.
3. The method for unlocking a keyless vehicle door according to claim 2, wherein:
the control flow of the micro control unit MCU in the vehicle door unlocking module is as follows:
1) initializing and self-checking a Micro Control Unit (MCU), wherein the initialization comprises the initialization of a watchdog module, CAN communication, LIN communication and the initialization and self-checking of internal flash;
2) whether CAN communication data of the vehicle machine are received or not is checked, and if the CAN communication data of the vehicle machine are received, whether a vehicle door unlocking sequence signal transmitted by the vehicle machine is received or not is judged;
3) if the vehicle door handle operation sequence signal is transmitted by the vehicle machine, storing the data into an internal flash of a Micro Control Unit (MCU), and transmitting the data to the vehicle machine through CAN communication to store the vehicle door handle operation sequence signal into the internal flash;
4) detecting whether a door handle operation sequence signal is received or not, and if different door handle operation sequence signals are received, matching the door handle operation sequence signal with a signal in an internal flash;
5) if the matching is successful, the micro control unit MCU sends a matching success signal to the vehicle body controller BCM through CAN communication, and the vehicle door is unlocked;
6) if the operation time of the door handle operation sequence signal is more than or equal to 30 seconds, the operation error frequency is more than or equal to 3 times and continuously exceeds 3 times, the MCU automatically forbids the function, and the program exits.
4. The method for unlocking a keyless vehicle door according to claim 1, wherein:
setting the following steps between the third step and the fourth step: the operation time for unlocking the vehicle door is less than 30 seconds, and the operation error times are less than 3 times.
5. The method for unlocking a keyless vehicle door according to claim 1, wherein:
in the step one, the operation sequence of the vehicle door handles is set by the vehicle machine, for example, a left front vehicle door is opened with two handles continuously, a right rear vehicle door is opened with three handles continuously, a left rear vehicle door is opened with four handles continuously, and a right front vehicle door is opened with three handles continuously.
6. The vehicle keyless door unlocking system according to claim 1 wherein:
the system comprises a vehicle door unlocking module, CAN communication and a vehicle body controller BCM;
the door unlocking module comprises a micro control unit MCU, and the micro control unit MCU is transmitted to the vehicle body controller BCM through CAN communication to identify the correct door handle operation sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111348608.XA CN113978411A (en) | 2021-11-15 | 2021-11-15 | Automobile keyless door unlocking method and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111348608.XA CN113978411A (en) | 2021-11-15 | 2021-11-15 | Automobile keyless door unlocking method and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559900A (en) * | 2022-03-21 | 2022-05-31 | 潍柴动力股份有限公司 | Terminal emergency unlocking method and device and motor vehicle |
| CN115214537A (en) * | 2022-04-07 | 2022-10-21 | 长城汽车股份有限公司 | Vehicle running control method and device and electronic equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202624146U (en) * | 2012-04-12 | 2012-12-26 | 常熟恒基科技有限公司 | Emergency password log-in system for vehicle |
| CN104835226A (en) * | 2015-05-05 | 2015-08-12 | 马夸特开关(上海)有限公司 | Keyless automobile system |
| CN108340878A (en) * | 2018-01-31 | 2018-07-31 | 北京汽车研究总院有限公司 | A kind of recognition of face vehicle startup system and the vehicle with it |
| CN110329208A (en) * | 2019-07-01 | 2019-10-15 | 北京长城华冠汽车技术开发有限公司 | A kind of car door unlocking method |
| CN112389368A (en) * | 2020-11-24 | 2021-02-23 | 东风汽车集团有限公司 | Vehicle backup unlocking method |
| CN113442872A (en) * | 2021-07-07 | 2021-09-28 | 东风汽车集团股份有限公司 | System and control method for unlocking vehicle without medium |
-
2021
- 2021-11-15 CN CN202111348608.XA patent/CN113978411A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202624146U (en) * | 2012-04-12 | 2012-12-26 | 常熟恒基科技有限公司 | Emergency password log-in system for vehicle |
| CN104835226A (en) * | 2015-05-05 | 2015-08-12 | 马夸特开关(上海)有限公司 | Keyless automobile system |
| CN108340878A (en) * | 2018-01-31 | 2018-07-31 | 北京汽车研究总院有限公司 | A kind of recognition of face vehicle startup system and the vehicle with it |
| CN110329208A (en) * | 2019-07-01 | 2019-10-15 | 北京长城华冠汽车技术开发有限公司 | A kind of car door unlocking method |
| CN112389368A (en) * | 2020-11-24 | 2021-02-23 | 东风汽车集团有限公司 | Vehicle backup unlocking method |
| CN113442872A (en) * | 2021-07-07 | 2021-09-28 | 东风汽车集团股份有限公司 | System and control method for unlocking vehicle without medium |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114559900A (en) * | 2022-03-21 | 2022-05-31 | 潍柴动力股份有限公司 | Terminal emergency unlocking method and device and motor vehicle |
| CN115214537A (en) * | 2022-04-07 | 2022-10-21 | 长城汽车股份有限公司 | Vehicle running control method and device and electronic equipment |
| WO2023193778A1 (en) * | 2022-04-07 | 2023-10-12 | 长城汽车股份有限公司 | Vehicle traveling control method and apparatus, and electronic device |
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