CN114830619A - Vehicle key control method and device, vehicle and vehicle key body - Google Patents
Vehicle key control method and device, vehicle and vehicle key body Download PDFInfo
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- CN114830619A CN114830619A CN202180004386.1A CN202180004386A CN114830619A CN 114830619 A CN114830619 A CN 114830619A CN 202180004386 A CN202180004386 A CN 202180004386A CN 114830619 A CN114830619 A CN 114830619A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72412—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories using two-way short-range wireless interfaces
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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
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/724092—Interfacing with an external cover providing additional functionalities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
- H04M1/72409—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
- H04M1/72415—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories for remote control of appliances
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
The utility model provides a car key control method, device, vehicle and car key body, relates to vehicle control technical field, can control the state of car key body through the terminal, makes car key body can adapt to more use scenes to user's convenience has been improved. The vehicle key control method comprises the following steps: establishing a secure channel based on Near Field Communication (NFC); receiving a vehicle key deactivation instruction from a terminal through the safety channel; responding to the vehicle key deactivation instruction, and enabling the vehicle key body to be controlled to be in a failure state; receiving a vehicle key activation instruction from a terminal through the safety channel; and responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled to be in an effective state.
Description
Technical Field
The application relates to the technical field of vehicle control, in particular to a vehicle key control method, a vehicle key control device, a vehicle and a vehicle key body.
Background
With the application of Near-field communication (NFC) to vehicle control, a terminal with an NFC function, such as a mobile phone, is currently used to simulate a vehicle key to implement a smart vehicle key function. However, when the mobile phone is used to simulate the car key, the mobile phone may be limited in use due to its own characteristics, which causes inconvenience in use for the user.
Disclosure of Invention
The technical scheme of the application provides a car key control method, a device, a vehicle and a car key body, and can control the state of the car key body through a terminal, so that the car key body can adapt to more use scenes, and the convenience of users is improved.
In a first aspect, the present application provides a vehicle key control method, including:
establishing a secure channel based on Near Field Communication (NFC);
receiving a vehicle key deactivation instruction from a terminal through the safety channel;
responding to the vehicle key deactivation instruction, and enabling the vehicle key body to be controlled to be in a failure state;
receiving a vehicle key activation instruction from a terminal through the safety channel;
and responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled to be in an effective state.
In a second aspect, the present application provides a vehicle key control device, including:
the channel establishing module is used for establishing a security channel based on Near Field Communication (NFC); the receiving module is used for receiving a vehicle key deactivation instruction from the terminal through the safety channel and receiving a vehicle key activation instruction from the terminal through the safety channel; the control module is used for responding to a vehicle key deactivation instruction, enabling the vehicle key body to be controlled to be in a failure state, and responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled to be in an effective state.
In a third aspect, the present application provides a vehicle key control device, including:
the vehicle key control system comprises a processor and a memory, wherein the memory is used for storing at least one instruction, and the instruction is loaded by the processor and executed to realize the vehicle key control method.
In a fourth aspect, the present application provides a vehicle, including:
a vehicle key control device, comprising:
the vehicle key control system comprises a processor and a memory, wherein the memory is used for storing at least one instruction, and the instruction is loaded by the processor and executed to realize the vehicle key control method.
In a fifth aspect, the present application technical solution provides a vehicle key body, including:
a vehicle key control device, comprising:
the vehicle key control system comprises a processor and a memory, wherein the memory is used for storing at least one instruction, and the instruction is loaded by the processor and executed to realize the vehicle key control method.
In a sixth aspect, the present application provides a vehicle control system, including:
a vehicle key body, the vehicle of the fourth aspect and a terminal;
alternatively, the vehicle key body, the vehicle, and the terminal of the fifth aspect.
In a seventh aspect, the present invention provides a computer-readable storage medium, where a computer program is stored, and when the computer program runs on a computer, the computer is caused to execute the vehicle key control method.
The vehicle key control method, the vehicle key body, the system and the storage medium in the embodiment of the application can control the state of the vehicle key body through the terminal, so that the vehicle key body temporarily loses the control effect on the vehicle, the safety of vehicle control is ensured, the vehicle key body can adapt to more use scenes, and the convenience of users is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a block diagram of a vehicle control system;
FIG. 2 is a block diagram of a vehicle;
FIG. 3 is a flow chart of a vehicle key control method according to an embodiment of the present application;
FIG. 4 is a block diagram of a vehicle control system according to an embodiment of the present application;
fig. 5 is a signaling flowchart of an interaction process between a terminal and a vehicle in an embodiment of the present application.
Detailed Description
The terminology used in the description of the embodiments section of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the present application.
Before introducing the embodiment of the present application, a scenario related to the embodiment of the present application is first described, as shown in fig. 1, a vehicle control system related to the embodiment of the present application includes a terminal 1, a vehicle 2, and a vehicle key body 3, where the terminal 1 may be, for example, a mobile phone, and the terminal 1 includes a terminal Embedded secure element (eSE) 11 and a terminal NFC controller (NFC controller, NFCC) 12. The vehicle 2 includes a vehicle NFC module 21, and the vehicle NFC module 21 includes a vehicle NFCC211 and a vehicle eSE212, as shown in fig. 2, the vehicle 2 further includes a vehicle door 23 and a vehicle authentication device 24, the vehicle NFCC211 may be disposed on the vehicle door 23, and the vehicle eSE212 may be disposed in the vehicle authentication device 24. The vehicle door 23 further includes a door Micro Control Unit (MCU) 231 for controlling the vehicle NFCC211, the door MCU231 is connected to the vehicle NFCC211 through a Serial Peripheral Interface (SPI) Interface, the vehicle authentication device 24 further includes an authentication device MCU241, the authentication device MCU241 is configured to control the vehicle eSE212, the authentication device MCU241 is connected to the vehicle eSE212 through the SPI Interface, and the authentication device MCU241 is connected to the door MCU231 through a Controller Area Network (CAN). The function of simulating a car key by the terminal 1 to realize a smart car key can be specifically realized by the terminal eSE11, the terminal NFCC12, the vehicle NFCC211 and the vehicle eSE212, before a process of simulating a car key by the terminal 1 to control a vehicle, initialization is performed on the terminal 1 side, that is, a secure executable environment is provided by the terminal eSE11, the terminal eSE11 is provided with a car key application for transmitting and processing a command related to the car key, initialization is performed on the vehicle 2 side, that is, an executable environment for providing security is provided by the vehicle eSE212, the vehicle eSE212 is provided with a car key reader application for transmitting and processing a command related to the car key, after the initialization is completed, that is, a command related to the car key can be transmitted through interaction between the terminal NFCC12 and the vehicle NFCC211, the terminal NFCC12 is used for receiving and transmitting a car key message through a front-end radio-frequency module, the vehicle NFCC211 is used for receiving and transmitting an NFC message through the front-end radio-frequency module, through a command related to a car key carried in the NFC message, the terminal 1 can be used to control the vehicle 2, and functions such as unlocking, locking, and window lifting can be implemented.
In addition, the vehicle 2 further includes a vehicle body module 22 of the vehicle key, the vehicle body module 22 of the vehicle key in the vehicle 2 includes a vehicle body MCU221, a low frequency transmitter 222 and a high frequency receiver 223, wherein the low frequency transmitter 222 is used for transmitting a low frequency message of, for example, 125KHz to search and wake up the vehicle key body 3 within a certain range, the vehicle body MCU221 is used for encoding the low frequency message and also processing a control command from the vehicle key body 3, and the high frequency receiver 223 is used for receiving the high frequency command from the vehicle key body 3. The vehicle key body 3 comprises a vehicle key MCU31, a low frequency receiver 32 and a high frequency transmitter 33, wherein the low frequency receiver 32 is used for receiving a wake-up signal from the vehicle, generally 125KHz, the vehicle key MCU31 is used for verifying the low frequency message received by the low frequency receiver and for command control, such as unlocking, locking and the like, and the high frequency transmitter 33 is used for transmitting a control command to the high frequency receiver 223 of the vehicle. It should be noted that, in the structures shown in fig. 1 and fig. 2, the verification device MCU241 and the vehicle body MCU221 are two independent MCUs, respectively, and in other realizable embodiments, the verification device MCU241 and the vehicle body MCU221 may also be the same MCU. The control of the vehicle 2 by the vehicle key body 3 can be realized by the interaction between the vehicle key body 3 and the body module 22 of the vehicle key.
The interaction flow of the vehicle key body 3 and the vehicle 2 is as follows:
1. the vehicle body MCU221 encodes a message and transmits the message (125KHz) through the low frequency transmitter 222 for searching and waking up the vehicle key body 3 within a certain range. 2. All the vehicle key bodies 3 in the low-frequency signal range can receive the message and verify the coded data field. 3. If the message is successfully verified by the vehicle key body 3, a command message is sent by the high-frequency transmitter 33 of the vehicle key body 3. 4. After the high frequency receiver 223 of the vehicle receives the command message, the body MCU221 decodes the message, and if the identification is successful, the body MCU221 will execute the corresponding message command, such as unlocking, locking, window-lifting, etc. Through the interactive process between foretell automobile body and the car key body, can realize non-contact's control to the vehicle through car key body 3.
As shown in fig. 1 and 2, the terminal 1 is used for simulating the car key to provide convenience for the user, but in some scenarios, the smart car key realized by simulating the car key through the terminal 1 has limitation and cannot be used, for example, in the first scenario, a car owner is used to simulate the car key through the terminal 1 (such as a mobile phone), when the car owner temporarily wants to wash the car, but the car key body 3 is not carried on the car owner, and the terminal 1 contains a large amount of personal privacy information, the terminal 1 cannot be handed to a car washing service party, and the smart car key cannot be copied to the car washing service party; in the second scenario, a friend of a vehicle owner wants to borrow the vehicle temporarily, but the vehicle key body 3 is not carried by the vehicle owner, the terminal 1 cannot be handed to the friend, and the smart vehicle key cannot be copied to the friend. That is to say, when using terminal 1 to realize intelligent car key function, traditional car key body 3 still need be used under certain scene, in order to be convenient for the car owner to use the vehicle under above-mentioned scene, the car owner will want to keep car key body 3 in the car always, but like this, can produce the potential safety hazard again. Therefore, in order to adapt to more use scenes on the premise of ensuring the safety, and thereby improve the convenience of the user, the technical scheme of the embodiment of the present application is provided, and the embodiment of the present application will be described below.
As shown in fig. 3, an embodiment of the present application provides a vehicle key control method, including:
and 102, responding to a vehicle key deactivation instruction, and enabling the vehicle key body to be controlled to be in a failure state.
Specifically, the execution main body of the vehicle key control method in the embodiment of the present application may be a vehicle, and may also be a vehicle key body. For example, when the vehicle owner desires that the vehicle key body temporarily loses the control effect on the vehicle to ensure the safety of vehicle control, a safety channel can be established through NFC to ensure the safety of vehicle key control, then the terminal is operated to send a vehicle key deactivation instruction to the vehicle, after the vehicle receives the vehicle key deactivation instruction, the vehicle key body control can be controlled to be in a disabled state, so that the vehicle is controlled to be in the disabled state, that is, the vehicle no longer responds to the control of the vehicle key body and cannot be controlled to start by the vehicle key body, so that the safety of vehicle control is ensured, for example, after the vehicle key body is used in a short time, the vehicle owner can control the vehicle key body to be in the failure state through the terminal application of the vehicle key control method in the embodiment of the application, so that the vehicle key body does not need to be stored independently, and even if the vehicle key body is placed in a vehicle, the vehicle can be ensured to be safe under the scene because the vehicle key body cannot be controlled temporarily. The vehicle key control method in the embodiment of the application can control the state of the vehicle key body through the terminal, so that the vehicle key body temporarily loses the control effect on the vehicle, the safety of vehicle control is guaranteed, the vehicle key body can adapt to more use scenes, and the convenience of users is improved.
The vehicle key control method further comprises the following steps:
103, receiving a vehicle key activation instruction from a terminal through a safety channel;
and 104, responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled to be in an effective state.
Specifically, the enabling of the vehicle key body control to be in the valid state means that the vehicle can be started by the vehicle key body control in response to the vehicle key body control, and it should be noted that there is no sequential limitation between the above steps 101 to 102 and steps 103 to 104, but the corresponding step is executed in response to the instruction of the terminal, for example, the step 103 is executed first when the vehicle key activation instruction is received first. Through the steps 101-104, a closed control loop of the vehicle key body through the terminal can be realized, for example, when a vehicle owner wants the vehicle key body to restore the control effect on the vehicle, the vehicle key control method is executed by the vehicle, a vehicle key activation instruction can be sent to the vehicle through the terminal during operation of the terminal, and after the vehicle receives the vehicle key activation instruction, the vehicle key body can be controlled to be in an effective state, so that the vehicle can be controlled directly through the vehicle key body before the vehicle key body is controlled to be in an invalid state next time. For example, when a car owner temporarily wants to wash a car, a car key activation instruction can be sent to the car or a car key body through the terminal, so that the car key body is controlled to be in an effective state, the terminal does not need to be handed to a car washing service party, an intelligent car key does not need to be copied to the car washing service party, a spare car key body in the car can be handed to the car washing service party to finish car washing, after the car washing is finished, in order to ensure safety, the terminal sends a car key deactivation instruction to the car or the car key body, and the touch of the car key body is in an invalid state, so that the car key body can be placed in the car for standby, and meanwhile, the safety and the convenience are improved. For another example, when a friend of a car owner wants to temporarily borrow a car, the terminal can send a car key activation instruction to a car washing or car key body, so that the terminal does not need to be handed to the friend, the intelligent car key does not need to be copied to the friend, and a spare car key body in the car can be handed to the friend to realize temporary car borrowing.
In one possible embodiment, as shown in fig. 1, 2 and 3, the vehicle key control method is applied to a vehicle key body module 22, that is, the vehicle key body module 22 is used as an execution main body of the vehicle key control method, and the vehicle body module 22 comprises a vehicle body signal transmitter (for example, a low-frequency transmitter 222) and a vehicle key signal receiver (for example, a high-frequency receiver 223); the step 102 of enabling the vehicle key body to be in the disabled state comprises the following steps: stopping the transmitting function of the body signal transmitter (e.g., low frequency transmitter 222); alternatively, the receiving function of the vehicle key signal receiver (e.g., the high frequency receiver 223) is stopped; or, the wake-up signal to be transmitted to the car key body 3 is converted into an invalid signal.
Specifically, the vehicle key body 3 can be disabled by restriction or change of the corresponding function in the body module 22. Wherein, in the control process, the vehicle key body 3 needs to receive the low-frequency message signal transmitted by the low-frequency transmitter 222 in the vehicle 2 through the low-frequency receiver 32, so as to be awakened by the vehicle 2, and the vehicle 2 can be controlled through the vehicle key body 3 after being awakened, so that the low-frequency transmitter 222 does not transmit the low-frequency message signal any more through control, that is, the vehicle key body 3 cannot be awakened by the vehicle key body 3, that is, the vehicle key body 3 can lose the control function of the vehicle 2, which is equivalent to the awakening function of the vehicle 2 on the vehicle key body 3, so that the control of the vehicle key body 3 is disabled, it should be noted that only the interaction between the vehicle key body 3 and the vehicle 2 is performed through the low-frequency receiver 32, the high-frequency transmitter 33, the low-frequency transmitter 222 and the high-frequency receiver 223, and the interaction between the terminal 1 and the vehicle 2 is realized through NFC, therefore, the invalidation is only effective on the vehicle key body 3, and the interaction between the terminal 1 and the vehicle 2 cannot be influenced, namely the vehicle key can still be simulated through the terminal 1 to realize the control on the vehicle 2; similarly, since the vehicle key body 3 needs to send a high-frequency message signal to the vehicle 2 through the high-frequency transmitter 33 and receive the high-frequency message signal by the high-frequency receiver 223 of the vehicle 2, so as to process the high-frequency message signal and implement control functions such as unlocking according to a control instruction carried in the high-frequency message signal, the vehicle key body 3 can lose the control function of the vehicle 2 by controlling the high-frequency receiver 223 to not receive the high-frequency command message from the vehicle key body 3 any more, and this method does not affect the interaction between the terminal 1 and the vehicle 2, and the terminal 1 can still implement control of the vehicle 2 through NFC when simulating the vehicle key; similarly, because the car key body 3 needs to verify the received wake-up signal in the control process, and the subsequent control process is continued after the verification is successful, therefore, the wake-up signal to be transmitted to the car key body 3 is converted into an invalid signal, so that the car key body 3 cannot be successfully verified after receiving the invalid signal, even if the car key body 3 cannot be awakened, so that the car key body 3 loses the control function of the vehicle 2, because only the wake-up signal transmitted to the car key body 3 can be changed, the interaction between the terminal 1 and the vehicle 2 cannot be influenced, and the terminal 1 can still realize the control of the vehicle 2 through NFC. It should be noted that, besides the above three methods for setting the vehicle key body control in the disabled state, there may be other methods for setting the vehicle key body control in the disabled state, which is not limited in the present application, for example, the vehicle 2 may be controlled not to respond to the command sent by the vehicle key body 3 when the vehicle key body control is in the disabled state.
In one possible embodiment, as shown in fig. 1, 2 and 3, the vehicle key control method is applied to a vehicle key body module 22, that is, the vehicle key body module 22 is used as an execution main body of the vehicle key control method, and the vehicle body module 22 comprises a vehicle body signal transmitter (for example, a low-frequency transmitter 222) and a vehicle key signal receiver (for example, a high-frequency receiver 223); the step 104 of enabling the vehicle key body to be in an effective state includes: activating a transmit function of a body signal transmitter (e.g., low frequency transmitter 222); alternatively, the receiving function of the vehicle key signal receiver (e.g., the high frequency receiver 223) is activated; or, the invalid signal to be transmitted to the car key body 3 is restored to the valid wake-up signal.
Specifically, if the transmitting function of the vehicle body signal transmitter (e.g., the low frequency transmitter 222) is stopped in step 102 before step 104, the transmitting function of the vehicle body signal transmitter (e.g., the low frequency transmitter 222) is restarted in step 104, that is, the control of the vehicle by the vehicle key body 3 can be resumed; if the receiving function of the vehicle key signal receiver (for example, the high-frequency receiver 223) is stopped in step 102 before step 104, the receiving function of the vehicle key signal receiver (for example, the high-frequency receiver 223) is restarted in step 104, that is, the control of the vehicle by the vehicle key body 3 can be resumed; if the wake-up signal to be transmitted to the car key body 3 is converted into an invalid signal in step 102 before step 104, the invalid signal to be transmitted to the car key body 3 is restored to the valid wake-up signal in step 104, that is, the control of the car key body 3 on the vehicle 2 can be restored.
In one possible embodiment, as shown in fig. 3 and 4, the vehicle key control method is used for the vehicle key body 3, i.e. the vehicle key body 3 is the execution main body of the vehicle key control method, the vehicle key body 3 includes a vehicle key signal transmitter (e.g. a high frequency transmitter 33) and a vehicle body signal receiver (e.g. a low frequency receiver 32); the step 102 of enabling the vehicle key body to be in the disabled state comprises the following steps: stopping the transmitting function of the vehicle key signal transmitter (e.g., high frequency transmitter 33); alternatively, the receiving function of the body signal receiver (e.g., the low frequency receiver 32) is stopped; alternatively, the control command to be transmitted to the vehicle 2 is converted into an invalid signal.
Specifically, when the car key control method is used for the car key body 3, NFC communication needs to be performed between the terminal 1 and the car key body 3, as shown in fig. 4, that is, in addition to the low frequency receiver 32 and the high frequency transmitter 33 which need to be provided for communication with the vehicle 2, a car key NFCC34 and a car key eSE35 need to be provided in the car key body 3, the car key eSE35 is used for providing a secure executable environment, and the car key NFCC34 is used for sending and receiving an NFC message with the terminal NFCC12 through a front end radio frequency module, so that a secure channel can be established between the car key body 3 and the terminal 1 through NFC, and a control command of the terminal 1 to the car key body 3 is received through the secure channel, so as to control the car key body 3 according to a car key deactivation command or a car key activation command in the control command, and control of the car key body 3 can be specifically realized through a car key MCU31, the stopping and starting of the transmission function of the vehicle key signal transmitter (e.g., the high frequency transmitter 33), the stopping and starting of the reception function of the vehicle body signal receiver (e.g., the low frequency receiver 32), and the control command to be transmitted to the vehicle 2 as the invalid signal or the valid signal can be realized by the vehicle key MCU 31. The high-frequency transmitter 33 is controlled not to transmit the control command any more, so that the vehicle key body 3 can lose the control function of the vehicle 2; the low-frequency receiver 32 is controlled not to receive the wake-up signal from the vehicle 2 any more, so that the vehicle key body 3 loses the control function of the vehicle 2; by converting the control command to be transmitted to the vehicle 2 into the invalid signal, the vehicle 2 cannot be successfully verified after receiving the invalid signal, even if the vehicle 2 cannot perform the corresponding operation in response to the control command, so that the vehicle key body 3 loses the control function of the vehicle 2. In addition to the above three methods of disabling the vehicle key body control, other methods of disabling the vehicle key body control may be used, and the present application is not limited thereto.
In one possible embodiment, as shown in fig. 3 and 4, the enabling 104 of the vehicle key body control in the active state includes: activating a transmitting function of a vehicle key signal transmitter (e.g., high frequency transmitter 33); or, activating a receiving function of a body signal receiver (e.g., low frequency receiver 32); alternatively, the invalid signal to be transmitted to the vehicle is restored to the valid control command.
Specifically, if the transmission function of the vehicle key signal transmitter (e.g., the high-frequency transmitter 33) is stopped in step 102 before step 104, the transmission function of the vehicle key signal transmitter (e.g., the high-frequency transmitter 33) is restarted in step 104, i.e., the control of the vehicle by the vehicle key body 3 can be resumed; if the receiving function of the body signal receiver (e.g., the low frequency receiver 32) is stopped in step 102 before step 104, the receiving function of the body signal receiver (e.g., the low frequency receiver 32) is restarted in step 104, that is, the control of the vehicle by the vehicle key body 3 can be resumed; if the control command to be transmitted to the vehicle 2 is converted into the invalid signal in step 102 before step 104, the invalid signal to be transmitted to the vehicle is restored to the valid control command again in step 104, that is, the control of the vehicle 2 by the vehicle key body 3 can be restored.
Taking the body module 22 of the car key as an execution subject of the car key control method, the overall interaction process between the terminal 1 and the vehicle 2 including the above steps 101 and 102 is specifically described below, as shown in fig. 1, fig. 2 and fig. 5, the terminal eSE is installed with an applet application capable of interacting with the car end eSE, and the terminal eSE further provides a secure execution environment. The terminal NFCC, which may provide listening and polling poll modes, interacts with the vehicle NFCC. Through the terminal eSE and the terminal NFCC, the terminal can simulate the intelligent vehicle key. Through the terminal eSE and the terminal NFCC, the terminal can also simulate a Reader, and interact with the vehicle eSE through the NFC radio frequency, thereby achieving the purpose of controlling the body module 22 of the vehicle key. And the vehicle eSE is internally provided with an applet application capable of interacting with the terminal eSE, and the vehicle eSE also provides a safe execution environment. The vehicle NFCC may provide both listen and poll modes, interacting with the terminal NFCC. Through vehicle eSE and vehicle NFCC, the vehicle can read the intelligent car key that terminal simulation was read as the Reader. Through the vehicle eSE and the vehicle NFCC, the vehicle can also be used as a card simulation application, and a request from the Reader in the terminal eSE is responded, thereby controlling the body module 22 of the vehicle key. The vehicle body MCU221 in the vehicle body module 22 of the vehicle key can receive external control information, thereby controlling the on or off of the low frequency transmitter 222, the on or off of the high frequency receiver 223, changing the low frequency activation message information, and the like. The specific interaction process comprises the following steps:
step S1, initializing the terminal NFCC, and when the terminal opens the NFC function, the terminal system process powers on the terminal NFCC chip and starts to perform initialization configuration of the terminal NFCC chip.
And step S2, the terminal NFCC activates the terminal eSE, and during the initialization process of the terminal NFCC, the terminal NFCC chip finds the terminal eSE chip connected to the terminal NFCC chip, powers on the terminal eSE chip, and sends a message to activate the terminal eSE chip.
Step S3, initializing the terminal eSE, where the terminal eSE chip performs power-on initialization after being powered on, and the terminal eSE chip performs Host Controller Interface (HCI) initialization when being activated by the terminal NFCC chip. (terminal eSE chip and terminal NFCC chip in one HCI network)
Step S4, initializing the vehicle NFCC, and the vehicle NFCC may be in the power-on state all the time.
Step S5, the vehicle NFCC activates the vehicle eSE.
Step S6, the vehicle eSE is initialized, and the vehicle eSE chip and the vehicle NFCC chip are also in the same HCI network.
Step S7, the terminal activates the smart car key to control reading of the applet Reader applet, and the mobile phone activates the applet by sending an Application Protocol Data Unit (APDU) command specified by some global platform international standard organizations (GP). These commands include: manage Channel management, Select Applet, etc. And after the eSE receives the Select command, setting the corresponding Reader Applet into an activated state.
Step S8, setting the terminal NFCC in the read Reader mode, and after the Reader Applet is activated, the terminal eSE sends a command to set the terminal NFCC in the read mode. The command is an HCI event, and the terminal NFCC enters the Reader mode after receiving the HCI event. (this process may also be that the terminal NFCC notifies the terminal chip after receiving the HCI event, and the terminal chip sets the terminal NFCC to enter the Reader mode after receiving the notification).
And step S9, the vehicle activates the smart car key control listening applet, and the mobile phone activates the applet by sending APDU commands of GP specifications. These commands include: management Channel, Select Applet, etc. And after receiving the Select command, the vehicle eSE sets the corresponding Listener Applet to be in an activated state.
Step S10, vehicle NFCC is set to Listen mode. (step S9 and step S10 may be implemented by providing a User Interface (UI) for the vehicle central control system, and the User clicks the corresponding button of the UI for triggering).
And step S11, receiving a car key deactivation request, and after the terminal activates the Reader Applet, sending a command to enable the Reader Applet to prepare for deactivation of the car key. At this time, the terminal may come into contact with the vehicle NFCC.
Step S12, the terminal NFCC detects that the vehicle NFCC is approaching.
Step S13, the NFCC of the terminal and the NFCC of the car end perform Radio Frequency (RF) frame exchange, and establish communication using the pre-configured RF parameters.
After the RF frame exchange is successful, step S14 is performed, and the terminal NFCC sends an HCI event to the terminal eSE through the HCI network, so as to notify the terminal eSE that the opposite-end card is found.
After receiving the HCI event, the terminal eSE proceeds to step S15, and performs mutual authentication, key agreement, and secure channel establishment with the terminal eSE and the vehicle eSE. Authentication, key agreement and secure channel establishment reference GP specifications.
After the terminal eSE successfully establishes the secure channel with the peer device, step S16 is executed, and the terminal eSE sends a car key deactivation command to the vehicle eSE through the secure channel (i.e., the car key deactivation command in step 101, where the command may also be the car key activation command in step 103).
And after receiving the car key deactivation instruction, the Lister Applet of the vehicle eSE enters the step S17, and sends the car key deactivation instruction to the vehicle body MCU to perform the action of deactivating the intelligent car key. I.e., proceeds to step S18 or step S19.
In step S18, the vehicle body MCU turns off its low frequency transmitter, i.e., stops the transmitting function of the low frequency transmitter 222.
In step S19, the vehicle body MCU turns off its high frequency receiver, i.e., stops the receiving function of the high frequency receiver 223.
And step S20, the vehicle body MCU sends a successful deactivation message to the vehicle eSE.
And step S21, the vehicle eSE sends a successful deactivation message to the terminal eSE through the secure channel.
So far, the vehicle key body is controlled to be in a failure state. The vehicle owner can put the vehicle key body 3 in the vehicle with care without worrying about safety problems.
It should be noted that the vehicle key control method shown in fig. 5 is only an example, for example, any one of step S18 and step S19 may be omitted, and the vehicle key body 3 may be in the disabled state by turning off the low frequency transmitter or turning off the high frequency receiver through the vehicle body MCU, or of course, step S18 and step S19 may be replaced by converting the wake-up signal to be transmitted to the vehicle key body 3 into the disable signal, so that the vehicle key body 3 is in the disabled state. Further, the vehicle key control method shown in fig. 5 above only illustrates the process of deactivating the vehicle key, which is similar to the process of activating the vehicle key, except that the deactivation command in each step is replaced with the activation command, and the corresponding activation operation, such as starting the transmitting function of the vehicle body signal transmitter (e.g., the low frequency transmitter 222), or starting the receiving function of the vehicle key signal receiver (e.g., the high frequency receiver 223), or returning the invalid signal to be transmitted to the vehicle key body 3 to the valid wake-up signal, is performed in steps S18 and S19. In addition, the above description has been given only by taking the body module 22 of the car key as the execution main body of the car key control method, and if the car key body 3 is taken as the execution main body of the car key control method, the car key eSE34 and the car key NFCC35 shown in fig. 4 may be provided in the car key body 3 to implement the similar functions, and the detailed process is not repeated here.
The embodiment of the present application further provides a car key control device, including: the channel establishing module is used for establishing a security channel based on Near Field Communication (NFC); the receiving module is used for receiving a vehicle key deactivation instruction from the terminal through the safety channel and receiving a vehicle key activation instruction from the terminal through the safety channel; the control module is used for responding to a vehicle key deactivation instruction, enabling the vehicle key body to be controlled to be in a failure state, and responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled to be in an effective state. The vehicle key control device can apply the vehicle key control method, and the specific process and principle are not repeated herein.
In one possible embodiment, the vehicle key control method is used for a vehicle body module of a vehicle key, wherein the vehicle body module comprises a vehicle body signal transmitter and a vehicle key signal receiver; the control module is specifically used for stopping the transmitting function of the vehicle body signal transmitter; or stopping the receiving function of the vehicle key signal receiver; or, the wake-up signal to be transmitted to the car key body is converted into an invalid signal.
In a possible embodiment, the control module is further configured to activate a transmitting function of the body signal transmitter; or starting the receiving function of the vehicle key signal receiver; or, the invalid signal to be transmitted to the vehicle key body is recovered to be a valid wake-up signal.
In one possible embodiment, the vehicle key control method is used for a vehicle key body, which includes a vehicle key signal transmitter and a vehicle body signal receiver; the control module is specifically used for stopping the transmitting function of the vehicle key signal transmitter; or stopping the receiving function of the vehicle body signal receiver; alternatively, the control command to be transmitted to the vehicle is converted into an invalid signal.
In one possible embodiment, the vehicle key control method is used for a vehicle key body, which includes a vehicle key signal transmitter and a vehicle body signal receiver; the control module is specifically used for starting the transmitting function of the vehicle key signal transmitter; or starting a receiving function of the vehicle body signal receiver; alternatively, the invalid signal to be transmitted to the vehicle is restored to the valid control command.
It should be understood that the above division of the modules of the image processing apparatus is only a logical division, and the actual implementation may be wholly or partially integrated into one physical entity, or may be physically separated. And these modules can be realized in the form of software called by processing element; or may be implemented entirely in hardware; and part of the modules can be realized in the form of calling by the processing element in software, and part of the modules can be realized in the form of hardware. For example, the receiving module may be a processing element that is set up separately, or may be implemented by being integrated into a certain chip, or may be stored in a memory in the form of a program, and the certain processing element calls and executes the functions of the above modules. Other modules are implemented similarly. In addition, all or part of the modules can be integrated together or can be independently realized. The processing element described herein may be an integrated circuit having signal processing capabilities. In implementation, each step of the above method or each module above may be implemented by an integrated logic circuit of hardware in a processor element or an instruction in the form of software.
For example, the above modules may be one or more integrated circuits configured to implement the above methods, such as: one or more Application Specific Integrated Circuits (ASICs), or one or more microprocessors (DSPs), or one or more Field Programmable Gate Arrays (FPGAs), among others. As another example, when one of the above modules is implemented in the form of a Processing element scheduler, the Processing element may be a general purpose processor, such as a Central Processing Unit (CPU) or other processor capable of invoking programs. As another example, these modules may be integrated together, implemented in the form of a system-on-a-chip (SOC).
The embodiment of the present application further provides a car key control device, including: the vehicle key control system comprises a processor and a memory, wherein the memory is used for storing at least one instruction, and the instruction is loaded by the processor and executed so as to realize the vehicle key control method in any embodiment.
An embodiment of the present application further provides a vehicle, including: a vehicle key control device, comprising: the vehicle key control system comprises a processor and a memory, wherein the memory is used for storing at least one instruction, and the instruction is loaded by the processor and executed to realize the vehicle key control method. The car key control device may be, for example, a car body MCU in fig. 1.
The embodiment of this application still provides a car key body, includes: a vehicle key control device, comprising: the vehicle key control system comprises a processor and a memory, wherein the memory is used for storing at least one instruction, and the instruction is loaded by the processor and executed to realize the vehicle key control method in the embodiment. The car key control device may be, for example, a car key MCU in fig. 4.
In the above embodiments, the number of the processors may be one or more, and the processors and the memories may be connected by a bus or other means. The memory, which is a non-transitory computer readable storage medium, may be used to store non-transitory software programs, non-transitory computer executable programs, and modules, such as program instructions/modules corresponding to the image detection method in the embodiments of the present application. The processor executes various functional applications and data processing by executing non-transitory software programs, instructions and modules stored in the memory, i.e., implements the methods in any of the above-described method embodiments. The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; and necessary data, etc. Further, the memory may include high speed random access memory, and may also include non-transitory memory, such as at least one disk storage device, flash memory device, or other non-transitory solid state storage device.
As shown in fig. 1, an embodiment of the present application further provides a vehicle control system, including: a vehicle key body 3, the vehicle 2 in the above embodiment, and the terminal 1, the vehicle 2 including the above vehicle key control device; alternatively, the vehicle control system includes the vehicle key body 3, the vehicle 2 and the terminal 1 shown in fig. 4 in the above embodiment, and the vehicle key body 3 includes the vehicle key control device.
An embodiment of the present application further provides a computer-readable storage medium, in which a computer program is stored, and when the computer program runs on a computer, the computer is caused to execute the vehicle key control method in the foregoing embodiment.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, the procedures or functions described in accordance with the present application are generated, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, the computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center by wire (e.g., coaxial cable, fiber optic, digital subscriber line) or wirelessly (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk), among others.
In the embodiments of the present application, "at least one" means one or more, "a plurality" means two or more. "and/or" describes the association relationship of the associated objects, and means that there may be three relationships, for example, a and/or B, and may mean that a exists alone, a and B exist simultaneously, and B exists alone. Wherein A and B can be singular or plural. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. "at least one of the following" and similar expressions refer to any combination of these items, including any combination of singular or plural items. For example, at least one of a, b, and c may represent: a, b, c, a-b, a-c, b-c, or a-b-c, wherein a, b, c may be single or multiple.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (11)
1. A vehicle key control method is characterized by comprising the following steps:
establishing a secure channel based on Near Field Communication (NFC);
receiving a vehicle key deactivation instruction from a terminal through the safety channel;
responding to the vehicle key deactivation instruction, and enabling the vehicle key body to be controlled to be in a failure state;
receiving a vehicle key activation instruction from a terminal through the safety channel;
and responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled to be in an effective state.
2. The method of claim 1,
the vehicle key control method is used for a vehicle body module of a vehicle key, and the vehicle body module comprises a vehicle body signal transmitter and a vehicle key signal receiver;
making the car key body control in the disabled state includes:
stopping the transmitting function of the vehicle body signal transmitter;
or stopping the receiving function of the vehicle key signal receiver;
or, the wake-up signal to be transmitted to the car key body is converted into an invalid signal.
3. The method of claim 2,
the making the vehicle key body control in the effective state includes:
starting a transmitting function of the vehicle body signal transmitter;
or starting the receiving function of the vehicle key signal receiver;
or, the invalid signal to be transmitted to the vehicle key body is recovered to be a valid wake-up signal.
4. The method of claim 1,
the vehicle key control method is used for a vehicle key body, and the vehicle key body comprises a vehicle key signal transmitter and a vehicle body signal receiver;
making the car key body control in the disabled state includes:
stopping the transmitting function of the vehicle key signal transmitter;
or stopping the receiving function of the vehicle body signal receiver;
alternatively, the control command to be transmitted to the vehicle is converted into an invalid signal.
5. The method of claim 4,
making the car key body control be in an effective state includes:
starting the transmitting function of the vehicle key signal transmitter;
or starting a receiving function of the vehicle body signal receiver;
alternatively, the invalid signal to be transmitted to the vehicle is restored to the valid control command.
6. A vehicle key control device, comprising:
the channel establishing module is used for establishing a security channel based on Near Field Communication (NFC);
the receiving module is used for receiving a vehicle key deactivation instruction from the terminal through the safety channel and receiving a vehicle key activation instruction from the terminal through the safety channel;
and the control module is used for responding to the vehicle key deactivation instruction, enabling the vehicle key body to be controlled in a failure state, and responding to the vehicle key activation instruction, and enabling the vehicle key body to be controlled in an effective state.
7. A vehicle key control device, comprising:
a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the vehicle key control method of any one of claims 1 to 5.
8. A vehicle, characterized by comprising:
a vehicle key control device, comprising:
a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the vehicle key control method of any one of claims 1, 2, 3.
9. A vehicle key body, comprising:
a vehicle key control device, comprising:
a processor and a memory for storing at least one instruction which is loaded and executed by the processor to implement the vehicle key control method of any one of claims 1, 4, 5.
10. A vehicle control system, characterized by comprising:
a vehicle key body, a vehicle according to claim 8 and a terminal;
or, the vehicle key body, the vehicle and the terminal as claimed in claim 9.
11. A computer-readable storage medium, characterized in that a computer program is stored therein, which when run on a computer, causes the computer to execute the vehicle key control method according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| PCT/CN2021/076875 WO2022174391A1 (en) | 2021-02-19 | 2021-02-19 | Vehicle key control method and apparatus, and vehicle and vehicle key body |
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| CN114830619A true CN114830619A (en) | 2022-07-29 |
| CN114830619B CN114830619B (en) | 2024-04-26 |
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| DE102016211165A1 (en) * | 2016-06-22 | 2017-12-28 | Bayerische Motoren Werke Aktiengesellschaft | Remote control vehicle key, intelligent device, system, and vehicle for sharing the vehicle between different users |
| US10293787B2 (en) * | 2017-08-10 | 2019-05-21 | Ford Global Technologies, Llc | Vehicle key management |
| US11267439B2 (en) * | 2019-03-08 | 2022-03-08 | Ford Global Technologies, Llc | Activation of valet mode for vehicles |
| CN112215992B (en) * | 2020-10-14 | 2022-12-20 | 上海银基信息安全技术股份有限公司 | Digital key cleaning method and computer equipment |
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| CN103959346A (en) * | 2011-09-05 | 2014-07-30 | 捷豹路虎有限公司 | Security system and device therefor |
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| CN110111472A (en) * | 2019-05-16 | 2019-08-09 | 广州小鹏汽车科技有限公司 | Vehicle key control method and device |
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