CN111746465A - Automatic vehicle locking system and automatic vehicle locking method and unlocking method thereof - Google Patents
Automatic vehicle locking system and automatic vehicle locking method and unlocking method thereof Download PDFInfo
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- CN111746465A CN111746465A CN201910235999.0A CN201910235999A CN111746465A CN 111746465 A CN111746465 A CN 111746465A CN 201910235999 A CN201910235999 A CN 201910235999A CN 111746465 A CN111746465 A CN 111746465A
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- vehicle
- user terminal
- mounted terminal
- position information
- secret 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
- 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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an automatic vehicle locking system and a vehicle locking method and an unlocking method thereof, wherein the automatic vehicle locking system comprises a vehicle-mounted terminal and a user terminal, the vehicle-mounted terminal is used for acquiring vehicle position information in real time, broadcasting the vehicle position information, a vehicle ID number and a public key, and is also used for receiving a secret key sent by the user terminal and sending a vehicle locking instruction to a vehicle body controller to request to lock a vehicle or sending an unlocking instruction to request to unlock the vehicle according to the secret key; the user terminal is used for acquiring the position information of the user terminal in real time, receiving the vehicle position information, the vehicle ID number and the public key, judging whether the distance between the vehicle-mounted terminal and the user terminal meets a set vehicle locking condition or a set unlocking condition, decrypting the received public key when the distance between the vehicle-mounted terminal and the user terminal meets the set vehicle locking condition or the set unlocking condition, acquiring a corresponding secret key, and sending the secret key to the vehicle-mounted terminal. The invention can realize the keyless property of the vehicle and avoid the trouble of searching the key by the driver.
Description
Technical Field
The invention relates to the technical field of automatic vehicle locking and unlocking, in particular to an automatic vehicle locking system and an automatic vehicle locking method and an automatic vehicle unlocking method thereof.
Background
Automobile keys have been developed for over 100 years as an integral part of automobiles, and although many advances have been made from the earliest mechanical keys to the current electric keys, people still need to find the automobile key each time the automobile is unlocked and unlocked. For a driver with a key in a bag, the problem of finding the key by turning the key inside the bag every time is always troubling the driver.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic vehicle locking system, an automatic vehicle locking method and an automatic vehicle unlocking method thereof, so as to realize the keyless property of a vehicle and avoid the trouble of searching for a key by a driver.
In order to solve the above technical problems, the present invention provides an automatic vehicle lock system, comprising a vehicle-mounted terminal and a user terminal, wherein,
the vehicle-mounted terminal is used for acquiring vehicle position information in real time and broadcasting the vehicle position information, a vehicle ID number and a public key, and is also used for receiving a secret key sent by the user terminal and sending a vehicle locking instruction request or an unlocking instruction request to the vehicle body controller according to the secret key;
the user terminal is used for acquiring user terminal position information in real time, receiving the vehicle position information, the vehicle ID number and the public key, judging whether the distance between the vehicle-mounted terminal and the user terminal meets a set vehicle locking condition or a set unlocking condition, decrypting the received public key when the distance between the vehicle-mounted terminal and the user terminal meets the set vehicle locking condition or the set unlocking condition, acquiring a corresponding secret key, and sending the secret key to the vehicle-mounted terminal.
The vehicle-mounted terminal comprises a first communication unit, a first GPS (global positioning system) positioning unit and a first controller, wherein the first GPS positioning unit is used for acquiring the position information of the vehicle terminal in real time; the first communication unit is used for broadcasting the vehicle position information, the vehicle ID number and the public key and is also used for receiving a secret key sent by the user terminal; and the first controller is used for sending a vehicle locking instruction request or an unlocking instruction request to the vehicle body controller according to the secret key.
Wherein, the vehicle-mounted terminal further includes: and the CAN transceiver is used for sending the vehicle locking instruction request or the vehicle unlocking instruction request sent by the first controller to the vehicle body controller through a CAN bus.
The user terminal comprises a second GPS positioning unit, a second communication unit and a second controller, wherein the second GPS positioning unit is used for acquiring user position information in real time; the second communication unit is used for receiving the vehicle position information, the vehicle ID number and the public key which are sent by the first communication unit and sending a secret key obtained by decryption of the second control unit; the second control unit is used for judging whether the distance between the vehicle-mounted terminal and the user terminal meets a set vehicle locking condition or a set unlocking condition or not, and decrypting the received public key to obtain a corresponding secret key when the distance between the vehicle-mounted terminal and the user terminal meets the set vehicle locking condition or the set unlocking condition.
The vehicle-mounted terminal is V2X-Box, and the user terminal is a mobile phone paired with the V2X-Box.
The invention also provides an automatic vehicle locking method of the automatic vehicle locking system, which comprises the following steps:
the method comprises the steps that a vehicle-mounted terminal obtains vehicle position information in real time and broadcasts the vehicle position information, a vehicle ID number and a public key;
the user terminal receives the vehicle position information, the vehicle ID number and the public key and acquires the position information of the user terminal in real time;
the user terminal judges whether the distance between the user terminal and the vehicle-mounted terminal is greater than a set vehicle locking distance, if so, the received public key is decrypted to obtain a corresponding secret key, and the secret key and a vehicle locking instruction are sent;
and the vehicle-mounted terminal receives the secret key and the vehicle locking instruction and sends the vehicle locking instruction to the vehicle body controller according to the secret key.
Wherein the sending the car locking instruction to the car body controller according to the key specifically includes: and judging whether the received key is correct or not, if so, sending the vehicle locking instruction to the vehicle body controller, and otherwise, not sending the vehicle locking instruction to the vehicle body controller.
After the vehicle is locked successfully, the vehicle-mounted terminal sends vehicle locking confirmation information to the user terminal, and the vehicle-mounted terminal enters a dormant state; and the user terminal receives the vehicle locking confirmation information and stores the vehicle position information.
The invention also provides an automatic unlocking method of the automatic vehicle locking system, which comprises the following steps:
the user terminal acquires the position information of the vehicle-mounted terminal and the position information of the user terminal, judges whether the distance between the vehicle-mounted terminal and the user terminal is smaller than a set unlocking distance or not, and awakens the vehicle-mounted terminal if the distance between the vehicle-mounted terminal and the user terminal is smaller than the set unlocking distance;
the vehicle-mounted terminal broadcasts the vehicle position information, the vehicle ID number and the public key;
the user terminal receives the public key, decrypts the public key to obtain a corresponding secret key, and sends the secret key;
and the vehicle-mounted terminal receives the secret key and sends an unlocking command to the vehicle body controller according to the secret key.
The receiving, by the vehicle-mounted terminal, the key and the sending of the unlocking command to the vehicle body controller according to the key specifically include: and the vehicle-mounted terminal judges whether the secret key is received or not, if so, the vehicle-mounted terminal further judges whether the secret key is correct or not, if so, the vehicle-mounted terminal further judges whether the distance between the vehicle-mounted terminal and the user terminal is less than a set unlocking distance, if so, the vehicle-mounted terminal sends an unlocking instruction to a vehicle body controller, and otherwise, the vehicle-mounted terminal continues to broadcast the vehicle position information, the vehicle ID number and the public key.
The embodiment of the invention has the beneficial effects that: the vehicle-mounted V2X-Box is interconnected with a mobile phone carried by a driver, when the fact that the distance between the driver and the vehicle is greater than the vehicle locking distance is detected, the vehicle-mounted V2X-Box sends a vehicle locking command to a vehicle body controller through a CAN bus to request vehicle locking, and when the fact that the distance between the driver and the vehicle is smaller than the set unlocking distance is detected, the vehicle-mounted V2X-Box sends an unlocking command to the vehicle body controller through the CAN bus to request vehicle unlocking. The embodiment of the invention thoroughly realizes the 'keyless' of the vehicle through the V2X, and the driver can automatically lock and unlock the vehicle without using a key, thereby avoiding the trouble brought by finding the key each time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an automatic locking and unlocking system according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a vehicle-mounted terminal of an automatic vehicle locking and unlocking system according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a user terminal of an automatic locking and unlocking system according to an embodiment of the present invention.
Fig. 4 is a main flow diagram of an automatic car locking method according to an embodiment of the present invention.
Fig. 5 is a detailed flowchart of an automatic car locking method according to an embodiment of the present invention.
Fig. 6 is a main flow diagram of an automatic unlocking method according to an embodiment of the present invention.
Fig. 7 is a detailed flowchart of an automatic unlocking method according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1, an embodiment of the present invention provides an automatic vehicle locking system 100, including: the system comprises a vehicle-mounted terminal 1 and a user terminal 2, wherein the vehicle-mounted terminal 1 is used for acquiring vehicle position information in real time and broadcasting the vehicle position information, a vehicle ID number and a public key, and is also used for receiving a secret key sent by the user terminal 2 and sending a vehicle locking or unlocking instruction to a vehicle body controller 3 according to the secret key; the user terminal 2 is configured to obtain user location information in real time, receive the vehicle location information, the vehicle ID number, and the public key, determine whether a distance between the vehicle-mounted terminal 1 and the user terminal 2 meets a set vehicle locking condition or an unlocking condition, decrypt the received public key when the distance between the vehicle-mounted terminal 1 and the user terminal 2 meets the set vehicle locking condition or the unlocking condition, obtain a corresponding secret key, and send the secret key to the vehicle-mounted terminal 1.
When the distance between the vehicle-mounted terminal 1 and the user terminal 2 is greater than the set vehicle locking distance, the vehicle locking condition is considered to be met, and when the distance between the vehicle-mounted terminal 1 and the user terminal 2 is less than the set unlocking distance, the unlocking condition is considered to be met.
Referring to fig. 2, in a specific embodiment, the vehicle-mounted terminal 1 includes a first communication unit 11, a first GPS positioning unit 12, a first controller 13 and a CAN transceiver 14, where the first GPS positioning unit 12 is configured to acquire vehicle position information in real time; the first communication unit 12 is configured to broadcast the vehicle position information, the vehicle ID number, and the public key, and is further configured to receive the secret key sent by the second communication unit 22; the first controller 13 is configured to send a car locking or unlocking instruction to the car body controller 3 according to the secret key, and request car locking or unlocking. The vehicle-mounted terminal 1 is connected with a whole vehicle CAN network through a CAN transceiver 14, and the first controller 13 sends a vehicle locking instruction or a vehicle unlocking instruction to the vehicle body controller 3 through the CAN transceiver 14. The first communication unit 11 implements a car-to-person interconnection and a car-to-network interconnection function, which may be implemented by a short-range communication chip. The update period of the public key is 1 minute.
Referring to fig. 3, in a specific embodiment, the user terminal 2 includes a second GPS positioning unit 21, a second communication unit 22, and a second controller 23, where the second GPS positioning unit 21 is configured to obtain user location information in real time; the second communication unit 22 is configured to receive the vehicle position information, the vehicle ID number, and the public key sent by the first communication unit 11, and is further configured to send a corresponding secret key; the second control unit 23 is configured to determine whether the distance between the vehicle-mounted terminal 1 and the user terminal 2 meets a set vehicle locking condition or a set unlocking condition, and decrypt the received public key to obtain a corresponding secret key when the distance between the vehicle-mounted terminal 1 and the user terminal 2 meets the set vehicle locking condition or the set unlocking condition.
In a specific embodiment, the vehicle-mounted terminal 1 is a V2X (vehicle to uploading) -Box, and the user terminal 2 is a mobile phone paired with the vehicle-mounted terminal 1, and specifically, may be a mobile phone bound with the vehicle-mounted terminal in advance or a registered mobile phone.
The automatic vehicle locking and unlocking system provided by the embodiment of the invention is interconnected with a mobile phone carried by a driver through the vehicle-mounted V2X-Box, when the fact that the distance from the driver to the vehicle is greater than the vehicle locking distance is detected, the vehicle-mounted V2X-Box sends a vehicle locking instruction to the vehicle body controller through the CAN bus to request vehicle locking, and when the fact that the distance from the driver to the vehicle is smaller than the set unlocking distance is detected, the vehicle-mounted V2X-Box sends an unlocking instruction to the vehicle body controller through the CAN bus to request vehicle unlocking. The embodiment of the invention thoroughly realizes the 'keyless' of the vehicle through the V2X, and the driver can automatically lock and unlock the vehicle without using a key, thereby avoiding the trouble brought by finding the key each time.
Based on the first embodiment of the present invention, the second embodiment of the present invention provides an automatic vehicle locking method of the aforementioned automatic vehicle locking system, as shown in fig. 4 to 5, the method includes the following steps:
and S11, the vehicle-mounted terminal acquires the vehicle position information in real time and broadcasts the vehicle position information, the vehicle ID number and the public key.
The update cycle of the public key is 1 minute, namely, the public key is updated once every 1 minute by the vehicle-mounted terminal.
And S12, the user terminal receives the vehicle position information, the vehicle ID number and the public key and acquires the position information of the user terminal in real time.
And S13, the user terminal judges whether the distance between the user terminal and the vehicle-mounted terminal is greater than the set vehicle locking distance, if so, the received public key is decrypted to obtain a corresponding key, and the key and a vehicle locking instruction are sent.
And when the mobile phone detects that the distance from the mobile phone to the vehicle is greater than the set vehicle locking distance, decrypting the public key according to a safety algorithm to obtain a corresponding key, and sending the key and a vehicle locking instruction to the V2X-Box.
And S14, the vehicle-mounted terminal receives the key and the vehicle locking instruction, sends the vehicle locking instruction to the vehicle body controller according to the key and requests the vehicle body controller to lock the vehicle.
After receiving the key and the vehicle locking instruction, the vehicle-mounted terminal firstly confirms whether the received key is correct according to a safety algorithm, and if the received key is correct, the vehicle-mounted terminal sends the vehicle locking instruction to the vehicle body controller through the CAN bus to request the vehicle body controller to lock the vehicle.
In a specific embodiment, the method for locking the vehicle further comprises the following steps:
and S15, after the vehicle is locked successfully, the vehicle-mounted terminal sends vehicle locking confirmation information to the user terminal, and the vehicle-mounted terminal enters a dormant state.
And S16, the user terminal receives the vehicle locking confirmation information and stores the current position information of the vehicle.
Based on the second embodiment of the present invention, the third embodiment of the present invention provides an automatic unlocking method based on the aforementioned automatic vehicle locking system, and as shown in fig. 6 to 7, the method includes the following steps:
and S21, the user terminal acquires the position information of the vehicle-mounted terminal and the position information of the user terminal, judges whether the distance between the vehicle-mounted terminal and the user terminal is less than a set unlocking distance or not, and awakens the vehicle-mounted terminal if the distance between the vehicle-mounted terminal and the user terminal is less than the set unlocking distance.
The user terminal acquires the current position of the user terminal through the second positioning unit of the user terminal and acquires the stored vehicle position from the storage unit of the user terminal, so that whether the distance between the user terminal and the vehicle position is smaller than a set unlocking distance value or not can be judged, and when the distance is smaller than the set unlocking distance value, the vehicle-mounted terminal is awakened through the second communication unit of the user terminal.
And S22, the vehicle-mounted terminal broadcasts the vehicle position information, the vehicle ID number and the public key.
And S23, the user terminal receives the public key, decrypts the public key to obtain a corresponding secret key, and sends the secret key.
And after receiving the public key, the user terminal decrypts the public key according to the security algorithm to obtain a corresponding secret key, and sends the secret key, the ID number of the vehicle with the unlocking function and the position information through the second short-distance communication unit.
And S24, the vehicle-mounted terminal receives the key and sends an unlocking command to the vehicle body controller according to the key to request the vehicle body controller to unlock the vehicle.
Specifically, whether the vehicle-mounted terminal receives the secret key is judged, if yes, the vehicle-mounted terminal further judges whether the secret key is correct, if yes, the vehicle-mounted terminal further judges whether the distance between the vehicle-mounted terminal and the user terminal is smaller than a set unlocking distance, if yes, the vehicle-mounted terminal sends an unlocking instruction to a vehicle body controller, and otherwise, the vehicle-mounted terminal continues to broadcast the position information, the ID number and the public key of the vehicle.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. An automatic vehicle lock system is characterized by comprising a vehicle-mounted terminal and a user terminal, wherein,
the vehicle-mounted terminal is used for acquiring vehicle position information in real time and broadcasting the vehicle position information, a vehicle ID number and a public key, and is also used for receiving a secret key sent by the user terminal and sending a vehicle locking instruction request or an unlocking instruction request to the vehicle body controller according to the secret key;
the user terminal is used for acquiring user terminal position information in real time, receiving the vehicle position information, the vehicle ID number and the public key, judging whether the distance between the vehicle-mounted terminal and the user terminal meets a set vehicle locking condition or a set unlocking condition, decrypting the received public key when the distance between the vehicle-mounted terminal and the user terminal meets the set vehicle locking condition or the set unlocking condition, acquiring a corresponding secret key, and sending the secret key to the vehicle-mounted terminal.
2. The automatic vehicle lock system of claim 1, wherein the vehicle terminal includes a first communication unit, a first GPS location unit, and a first controller, wherein,
the first GPS positioning unit is used for acquiring the position information of the vehicle terminal in real time;
the first communication unit is used for broadcasting the vehicle position information, the vehicle ID number and the public key and is also used for receiving a secret key sent by the user terminal;
and the first controller is used for sending a vehicle locking instruction request or an unlocking instruction request to the vehicle body controller according to the secret key.
3. The automatic vehicle lock system of claim 2, wherein the vehicle terminal further comprises:
and the CAN transceiver is used for sending the vehicle locking instruction request or the vehicle unlocking instruction request sent by the first controller to the vehicle body controller through a CAN bus.
4. The automatic vehicle lock system of claim 3, wherein the user terminal includes a second GPS location unit, a second communication unit, and a second controller, wherein,
the second GPS positioning unit is used for acquiring user position information in real time;
the second communication unit is used for receiving the vehicle position information, the vehicle ID number and the public key which are sent by the first communication unit and sending a secret key obtained by decryption of the second control unit;
the second control unit is used for judging whether the distance between the vehicle-mounted terminal and the user terminal meets a set vehicle locking condition or a set unlocking condition or not, and decrypting the received public key to obtain a corresponding secret key when the distance between the vehicle-mounted terminal and the user terminal meets the set vehicle locking condition or the set unlocking condition.
5. The automatic vehicle lock system of claim 4, wherein:
the vehicle-mounted terminal is V2X-Box, and the user terminal is a mobile phone matched with the V2X-Box.
6. An automatic vehicle locking method of an automatic vehicle locking system according to claim 1, comprising the steps of:
the method comprises the steps that a vehicle-mounted terminal obtains vehicle position information in real time and broadcasts the vehicle position information, a vehicle ID number and a public key;
the user terminal receives the vehicle position information, the vehicle ID number and the public key and acquires the position information of the user terminal in real time;
the user terminal judges whether the distance between the user terminal and the vehicle-mounted terminal is greater than a set vehicle locking distance, if so, the received public key is decrypted to obtain a corresponding secret key, and the secret key and a vehicle locking instruction are sent;
and the vehicle-mounted terminal receives the secret key and the vehicle locking instruction and sends the vehicle locking instruction to the vehicle body controller according to the secret key.
7. The automatic car locking method according to claim 6, wherein the sending the car locking instruction to the car body controller according to the secret key specifically comprises:
and judging whether the received key is correct or not, if so, sending the vehicle locking instruction to the vehicle body controller, and otherwise, not sending the vehicle locking instruction to the vehicle body controller.
8. The automatic vehicle locking method according to claim 7, further comprising:
after the vehicle is locked successfully, the vehicle-mounted terminal sends vehicle locking confirmation information to the user terminal, and the vehicle-mounted terminal enters a dormant state;
and the user terminal receives the vehicle locking confirmation information and stores the vehicle position information.
9. An automatic unlocking method of an automatic vehicle locking system according to claim 1, characterized by comprising the steps of:
the user terminal acquires the position information of the vehicle-mounted terminal and the position information of the user terminal, judges whether the distance between the vehicle-mounted terminal and the user terminal is smaller than a set unlocking distance or not, and awakens the vehicle-mounted terminal if the distance between the vehicle-mounted terminal and the user terminal is smaller than the set unlocking distance;
the vehicle-mounted terminal broadcasts the vehicle position information, the vehicle ID number and the public key;
the user terminal receives the public key, decrypts the public key to obtain a corresponding secret key, and sends the secret key;
and the vehicle-mounted terminal receives the secret key and sends an unlocking command to the vehicle body controller according to the secret key.
10. The automatic unlocking method according to claim 9, wherein the receiving of the key by the in-vehicle terminal and the sending of the unlocking command to the body controller according to the key specifically include:
and the vehicle-mounted terminal judges whether the secret key is received or not, if so, the vehicle-mounted terminal further judges whether the secret key is correct or not, if so, the vehicle-mounted terminal further judges whether the distance between the vehicle-mounted terminal and the user terminal is less than a set unlocking distance, if so, the vehicle-mounted terminal sends an unlocking instruction to a vehicle body controller, and otherwise, the vehicle-mounted terminal continues to broadcast the vehicle position information, the vehicle ID number and the public key.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235999.0A CN111746465A (en) | 2019-03-27 | 2019-03-27 | Automatic vehicle locking system and automatic vehicle locking method and unlocking method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910235999.0A CN111746465A (en) | 2019-03-27 | 2019-03-27 | Automatic vehicle locking system and automatic vehicle locking method and unlocking method thereof |
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| CN111746465A true CN111746465A (en) | 2020-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910235999.0A Pending CN111746465A (en) | 2019-03-27 | 2019-03-27 | Automatic vehicle locking system and automatic vehicle locking method and unlocking method thereof |
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