CN114830619B - 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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- CN114830619B CN114830619B CN202180004386.1A CN202180004386A CN114830619B CN 114830619 B CN114830619 B CN 114830619B CN 202180004386 A CN202180004386 A CN 202180004386A CN 114830619 B CN114830619 B CN 114830619B
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- 238000000034 method Methods 0.000 title claims abstract description 72
- 230000009849 deactivation Effects 0.000 claims abstract description 30
- 230000004913 activation Effects 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 12
- 230000006870 function Effects 0.000 claims description 55
- 238000004590 computer program Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims 1
- 230000008569 process Effects 0.000 description 16
- 238000012545 processing Methods 0.000 description 15
- 230000003993 interaction Effects 0.000 description 11
- 238000012795 verification Methods 0.000 description 10
- 238000005406 washing Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 4
- 230000003213 activating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 230000002618 waking effect Effects 0.000 description 2
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Classifications
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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
-
- 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
-
- 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
A car key control method, a device, a car and a car key body relate to the technical field of car control, and the state of the car key body can be controlled through a terminal, so that the car key body can adapt to more use scenes, and the user convenience is 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 controlling the vehicle key body to be in a failure state; receiving a car key activation instruction from a terminal through the safety channel; and responding to the car key activation instruction, and enabling the car key body control 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 and device, a vehicle and a vehicle key body.
Background
With the application of Near field communication (Near-field communication, NFC) to vehicle control, it is now appeared to use a terminal having an NFC function, such as a mobile phone to simulate a car key to implement a function of a smart car key. However, when the mobile phone is used for simulating the car key, the mobile phone is limited in use due to the characteristics of the mobile phone, so that the use of the mobile phone is inconvenient for users.
Disclosure of Invention
The technical scheme of the application provides a vehicle key control method, a device, a vehicle and a vehicle key body, wherein the state of the vehicle key body can be controlled through a terminal, so that the vehicle 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 controlling the vehicle key body to be in a failure state;
Receiving a car key activation instruction from a terminal through the safety channel;
And responding to the car key activation instruction, and enabling the car key body control to be in an effective state.
In a second aspect, the present application provides a vehicle key control device, including:
The channel establishment module is used for establishing a secure channel based on near field communication NFC; the receiving module is used for receiving a car key deactivation instruction from the terminal through the safety channel and receiving a car key activation instruction from the terminal through the safety channel; the control module is used for responding to the vehicle key deactivation instruction to enable the vehicle key body to be controlled in a disabled state, and is used for responding to the vehicle key activation instruction to enable the vehicle key body to be controlled in an enabled 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 and executed by the processor to realize the vehicle key control method.
In a fourth aspect, the present application provides a vehicle, including:
a car key control device, the car 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 and executed by the processor to realize the vehicle key control method.
In a fifth aspect, the present application provides a vehicle key body, including:
a car key control device, the car 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 and executed by the processor to realize the vehicle key control method.
In a sixth aspect, the present application provides a vehicle control system, including:
A vehicle key body, a vehicle of the fourth aspect, and a terminal;
or the car key body, the vehicle and the terminal of the fifth aspect.
In a seventh aspect, the present application provides a computer-readable storage medium having a computer program stored therein, which when run on a computer, causes the computer to perform the above-described vehicle key control method.
According to the vehicle key control method, device, vehicle key body, system and storage medium, the state of the vehicle key body can be controlled through the terminal, so that the vehicle key body temporarily loses the control function on the vehicle, the safety of vehicle control is ensured, the vehicle key body can adapt to more use scenes, and therefore user convenience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
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 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 flow chart 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 of the application herein is for the purpose of describing particular embodiments of the application only and is not intended to be limiting of the application.
Before describing the embodiment of the present application, first, a scenario according to the embodiment of the present application is described, as shown in fig. 1, a vehicle control system according 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 Controler, NFCC) 12. Vehicle 2 includes a vehicle NFC module 21, vehicle NFC module 21 includes a vehicle NFCC211 and a vehicle eSE212, as shown in fig. 2, vehicle 2 further includes a door 23 and a vehicle verification device 24, vehicle NFCC211 may be disposed on door 23, and vehicle eSE212 may be disposed in vehicle verification device 24. The door 23 further includes a door micro control unit (Microcontroller Unit, MCU) 231 for controlling the vehicle NFCC211, the door MCU231 is connected to the vehicle NFCC211 through a serial peripheral interface (SERIAL PERIPHERAL INTERFACE Bus, SPI), the vehicle verification device 24 further includes a verification device MCU241, the verification device MCU241 is for controlling the vehicle eSE212, the verification device MCU241 is connected to the vehicle eSE212 through the SPI, and the verification device MCU241 is connected to the door MCU231 through a controller area network (Controller Area Network, CAN). The function of simulating the car key through the terminal 1 to realize the intelligent car key can be realized specifically through the terminal eSE11, the terminal NFCC12, the vehicle NFCC211 and the vehicle eSE212, before the process of simulating the car key through the terminal 1 to control the vehicle, the terminal 1 side is initialized, namely, a safe executable environment is provided through the terminal eSE11, the terminal eSE11 is internally provided with the car key application for sending and processing the command related to the car key, the vehicle 2 side is initialized, namely, the vehicle eSE212 is used for providing the safe executable environment, the vehicle eSE212 is internally provided with the car key reader application for sending and processing the command related to the car key, after the initialization is completed, the vehicle NFCC12 is used for receiving and sending the NFC message through the front-end radio frequency module, the vehicle NFCC211 is used for receiving and sending the NFC message through the front-end radio frequency module, and the car key related command carried in the NFC message can realize the control of the vehicle 2 through the terminal 1, such as unlocking, locking, lifting and the like.
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 125KHz, for example, 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 is used for processing a control command from the vehicle key body 3, and the high frequency receiver 223 is used for receiving a high frequency command from the vehicle key body 3. The car key body 3 comprises a car 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 a vehicle, typically 125KHz, the car key MCU31 is used for verifying a low frequency message received by the low frequency receiver, and also is used for command control, such as unlocking, locking, etc., and the high frequency transmitter 33 is used for transmitting control commands to the high frequency receiver 223 of the vehicle. In the structures shown in fig. 1 and 2, the verification device MCU241 and the vehicle body MCU221 are two independent MCUs, and in other possible embodiments, the verification device MCU241 and the vehicle body MCU221 may be the same MCU. Control of the vehicle 2 by the vehicle key body 3 may be achieved by interaction between the vehicle key body 3 and a 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 car body MCU221 encodes a message and transmits the message (125 KHz) through the low frequency transmitter 222 for searching and waking up the car key body 3 within a certain range. 2. All car key bodies 3 within the low frequency signal range can receive the message and verify the coded data field. 3. If the vehicle key body 3 verifies the message successfully, a command message is sent through 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 vehicle body MCU221 decodes the message, and if the identification is successful, the vehicle body MCU221 will execute the corresponding message command, such as unlocking, locking, window lifting, etc. Through the interaction process between the vehicle body and the vehicle key body, the vehicle can be controlled in a non-contact mode through the vehicle key body 3.
As shown in fig. 1 and 2, the simulation of the car key by the terminal 1 may provide convenience to the user, but in some situations, the intelligent car key realized by the simulation of the car key by the terminal 1 has a limitation to be unusable, for example, in a first scenario, the car owner is used to simulate the car key by using 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 because the terminal 1 contains a large amount of personal privacy information, the terminal 1 cannot be handed to the car washing server, and the intelligent car key cannot be copied to the car washing server; in the second scenario, the owner of the car wants to temporarily borrow the car, but the car key body 3 is not carried on the car owner, and the terminal 1 cannot be handed to the friend, and it is impossible to copy the smart car key to the friend. That is, when the terminal 1 is used to implement the smart car key function, the conventional car key body 3 still needs to be used in some situations, and in order to facilitate the car owner to use the car in the above situations, the car owner may wish to keep the car key body 3 in the car all the time, but in this way, a safety hazard may be generated. Therefore, in order to adapt the car key body to more use scenes on the premise of ensuring safety, thereby improving user convenience, the technical scheme of the embodiment of the application is provided, and the embodiment of the application is described below.
As shown in fig. 3, an embodiment of the present application provides a vehicle key control method, including:
Step 100, establishing a secure channel based on near field communication NFC;
Step 101, receiving a vehicle key deactivation instruction from a terminal through a secure channel;
And 102, responding to a vehicle key deactivation instruction, and enabling the vehicle key body to be controlled to be in a disabled state.
Specifically, the execution main body of the vehicle key control method in the embodiment of the application can be a vehicle or a vehicle key body. The terminal may be, for example, a mobile phone, and the vehicle key deactivation command may be generated in response to an operation of the vehicle owner at the terminal, for example, taking the vehicle executing the vehicle key control method as an example, when the vehicle owner wants the vehicle key body to temporarily lose control effect on the vehicle to ensure the safety of vehicle control, a secure channel may be established through NFC to ensure the safety of vehicle key control, then the terminal sends the vehicle key deactivation command to the vehicle through the operation of the terminal, after the vehicle receives the vehicle key deactivation command, the vehicle key body control may be controlled to be in a disabled state, and the vehicle key body control is controlled to be in a disabled state, which means that the vehicle no longer responds to the control of the vehicle key body, and cannot be controlled to be started by the vehicle key body, so as to ensure the safety of vehicle control. According to the vehicle key control method, the state of the vehicle key body can be controlled through the terminal, so that the vehicle key body temporarily loses the control effect on a vehicle, the safety of vehicle control is ensured, the vehicle key body can adapt to more use scenes, and therefore user convenience is improved.
The vehicle key control method further comprises the following steps:
step 103, receiving a car key activation instruction from a terminal through a safety channel;
and 104, responding to the car key activation instruction, and enabling the car key body control to be in an effective state.
Specifically, the enabling of the vehicle key body to be in an active state means that the vehicle is enabled to be started by the vehicle key body in response to the control of the vehicle key body, and it should be noted that there is no limitation in the sequence between the steps 101 to 102 and the steps 103 to 104, but the corresponding steps are executed in response to the instruction of the terminal, for example, the vehicle key activation instruction is received first, and the step 103 is executed first. By the steps 101 to 104, the control closed loop of the vehicle key body through the terminal can be realized, for example, when the vehicle executes the vehicle key control method, and when the vehicle owner hopes that the vehicle key body resumes the control function on the vehicle, the vehicle key activation instruction can be sent to the vehicle through the terminal when the vehicle operates 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 next vehicle key body control is in an invalid state. For example, when a car owner temporarily wants to wash a car, a car key activation instruction can be sent to the car or the car key body through the terminal, so that the car key body is controlled to be in an effective state, the terminal is not required to be handed to a car washing service side, the intelligent car key is not required to be copied to the car washing service side, the car key body reserved in the car can be handed to the car washing service side to finish car washing, after car washing is finished, a car key deactivation instruction is sent to the car or the car key body through the terminal to ensure safety, and the car key body is enabled to be in an invalid state in a touch mode. For example, when a friend of a vehicle owner wants to temporarily borrow a vehicle, the vehicle key activation instruction can be sent to the vehicle washing or vehicle key body through the terminal, so that the terminal does not need to be handed to the friend, the intelligent vehicle key is not required to be copied to the friend, the spare vehicle key body in the vehicle can be handed to the friend, the temporary vehicle borrowing is realized, after the friend returns the vehicle, in order to ensure safety, the vehicle key deactivation instruction is sent to the vehicle or the vehicle key body through the terminal, and the vehicle key body is enabled to be in an invalid state in a touch mode, so that the vehicle key body can be placed in the vehicle for later use, and meanwhile safety and convenience are improved.
In one possible embodiment, as shown in fig. 1,2 and 3, the above-mentioned car key control method is used for a car body module 22 of a car key, that is, the car body module 22 of the car key is used as an execution subject of the above-mentioned car key control method, and the car body module 22 includes a car body signal transmitter (such as a low frequency transmitter 222) and a car key signal receiver (such as a high frequency receiver 223); in step 102, the step of disabling the vehicle key body control includes: stopping the transmitting function of the body signal transmitter (e.g., low frequency transmitter 222); or stopping the receiving function of the car key signal receiver (e.g., the high frequency receiver 223); or converts a wake-up signal to be transmitted to the car key body 3 into an invalid signal.
In particular, the vehicle key body 3 can be disabled by limiting or changing the corresponding function in the vehicle body module 22. 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 in the control process to wake up by the vehicle 2, and the vehicle 2 can be controlled through the vehicle key body 3 after waking up, so that the vehicle key body 3 can not be woken up by the vehicle key body 3 through controlling to enable the low-frequency transmitter 222 to transmit the low-frequency message signal, namely, the vehicle key body 3 can lose the control function of the vehicle 2, which is equivalent to disabling the wake-up function of the vehicle 2 on the vehicle key body 3, so that the control of the vehicle key body 3 is disabled, and it is required to be explained 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, so that the disabling is only effective on the vehicle key body 3, the interaction between the terminal 1 and the vehicle 2 can not be affected, namely, the control of the vehicle 2 can still be realized through the terminal 1 to simulate the vehicle key; similarly, since the car key body 3 needs to send a high-frequency message signal to the car 2 through the high-frequency transmitter 33 and receive the high-frequency message signal by the high-frequency receiver 223 of the car 2 in the control process so as to process the high-frequency message signal and realize control functions such as unlocking according to a control instruction carried in the high-frequency message signal, the car key body 3 can lose the control function of the car 2 by controlling the high-frequency receiver 223 to not receive the high-frequency command message from the car key body 3 any more, and the interaction between the terminal 1 and the car 2 is not influenced by the method, and the terminal 1 can still realize the control of the car 2 through NFC when simulating a car key; similarly, since the vehicle key body 3 needs to verify the received wake-up signal in the control process, the subsequent control process will not be continued until the verification is successful, so by converting the wake-up signal to be transmitted to the vehicle key body 3 into an invalid signal, the vehicle key body 3 cannot be successfully verified after receiving the invalid signal, even if the vehicle key body 3 cannot be awakened, the vehicle key body 3 loses the control function of the vehicle 2, and the interaction between the terminal 1 and the vehicle 2 is not affected because only the wake-up signal transmitted to the vehicle key body 3 is changed, and the terminal 1 can still realize the control of the vehicle 2 through NFC. In addition to the above three methods for disabling the vehicle key body control, there may be other methods for disabling the vehicle key body control, and the present application is not limited thereto, 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 disabled.
In one possible embodiment, as shown in fig. 1,2 and 3, the above-mentioned car key control method is used for a car body module 22 of a car key, that is, the car body module 22 of the car key is used as an execution subject of the above-mentioned car key control method, and the car body module 22 includes a car body signal transmitter (for example, a low frequency transmitter 222) and a car key signal receiver (for example, a high frequency receiver 223); the enabling of the car key body control in step 104 includes: activating a transmitting function of a body signal transmitter (e.g., low frequency transmitter 222); or to activate the receiving function of the car key signal receiver (e.g., high frequency receiver 223); or to restore the invalid signal to be transmitted to the car key body 3 to a valid wake-up signal.
Specifically, if the transmitting function of the body signal transmitter (e.g., the low frequency transmitter 222) is stopped in step 102 before step 104, the transmitting function of the body signal transmitter (e.g., the low frequency transmitter 222) 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 car key signal receiver (e.g., the high frequency receiver 223) is stopped in step 102 before step 104, the receiving function of the car key signal receiver (e.g., the high frequency receiver 223) is restarted in step 104, i.e., the control of the car by the car key body 3 can be resumed; if the wake-up signal to be transmitted to the car key body 3 is converted into the disable signal in step 102 before step 104, the disable signal to be transmitted to the car key body 3 is restored to the valid wake-up signal in step 104, i.e. the control of the car 2 by the car key body 3 can be restored.
In one possible embodiment, as shown in fig. 3 and 4, the car key control method is used for the car key body 3, i.e., the car key body 3 is the execution subject of the car key control method, and the car key body 3 includes a car key signal transmitter (e.g., a high frequency transmitter 33) and a car body signal receiver (e.g., a low frequency receiver 32); in step 102, the step of disabling the vehicle key body control includes: stopping the transmitting function of the car key signal transmitter (e.g., the high frequency transmitter 33); or stopping the reception function of the body signal receiver (e.g., the low frequency receiver 32); or converts a control command to be transmitted to the vehicle 2 into an invalid signal.
Specifically, when the vehicle key control method is used for the vehicle key body 3, NFC communication needs to be performed between the terminal 1 and the vehicle key body 3, as shown in fig. 4, that is, in the vehicle key body 3, in addition to the low-frequency receiver 32 and the high-frequency transmitter 33 that are in communication with the vehicle 2, the vehicle key NFCC34 and the vehicle key eSE35 need to be provided, the vehicle key eSE35 is used to provide a safe executable environment, the vehicle key NFCC34 is used to send and receive NFC messages with the terminal NFCC12 through the front-end radio frequency module, so that a safe channel can be established between the vehicle key body 3 and the terminal 1 through NFC, and then a control command of the terminal 1 to the vehicle key body 3 is received through the safe channel, so that control of the vehicle key body 3 according to a vehicle key deactivation command or a vehicle key activation command in the control command can be realized specifically through the vehicle key MCU31, and stopping and starting of the vehicle key signal transmitter (e.g., the high-frequency transmitter 33), stopping and starting the vehicle body signal receiver (e.g., the low-frequency receiver 32) can be realized, and the control command to be valid or the control signal to be valid to the vehicle 2. Wherein, the control command is not transmitted any more by the high-frequency transmitter 33 through control, namely the control function of the vehicle 2 can be lost by the vehicle key body 3; by controlling the low frequency receiver 32 not to receive the wake-up signal from the vehicle 2 any more, the control function of the vehicle key body 3 on the vehicle 2 can be lost; by converting the control command to be transmitted to the vehicle 2 into the invalidation signal, the vehicle 2 cannot be successfully authenticated after receiving the invalidation signal even if the vehicle 2 cannot perform a corresponding operation in response to the control command, thereby causing the vehicle key body 3 to lose the control function of the vehicle 2. In addition to the above three methods for disabling the vehicle key body control, other methods for disabling the vehicle key body control are also possible, which are not limited in the present application.
In one possible embodiment, as shown in fig. 3 and 4, the enabling of the car key body control in step 104 includes: activating the transmitting function of the car key signal transmitter (e.g., the high frequency transmitter 33); or to activate the receiving function of a body signal receiver (e.g., low frequency receiver 32); or a control command to restore an invalid signal to be transmitted to the vehicle to valid.
Specifically, if the transmission function of the car key signal transmitter (e.g., the high frequency transmitter 33) is stopped in step 102 before step 104, the transmission function of the car key signal transmitter (e.g., the high frequency transmitter 33) is restarted in step 104, i.e., the control of the car by the car 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, i.e., 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 an invalid signal in step 102 before step 104, the invalid signal to be transmitted to the vehicle is restored to a valid control command 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 vehicle key as an execution subject of the vehicle key control method, the overall interaction process between the terminal 1 and the vehicle 2 including the steps 101 and 102 is specifically described, as shown in fig. 1,2 and 5, the terminal eSE is installed with an applet application capable of interacting with the vehicle end eSE, and the terminal eSE also provides a safe execution environment. The terminal NFCC may provide listening and polling modes to interact with the vehicle NFCC. Through terminal eSE and terminal NFCC, the terminal can simulate intelligent car key. The terminal can also simulate a Reader through the terminal eSE and the terminal NFCC, and interact with the vehicle eSE through the NFC radio frequency, so as to achieve the purpose of controlling the body module 22 of the vehicle key. The vehicle eSE is provided with an applet application which can interact with the terminal eSE, and the vehicle eSE also provides a safe execution environment. The vehicle NFCC may provide listen and poll modes to interact with the terminal NFCC. Through the vehicle eSE and the vehicle NFCC, the vehicle can act as a Reader reading the smart car key that the terminal simulates. The vehicle may also perform a card emulation application through the vehicle eSE and the vehicle NFCC, responding to a request from a Reader in the terminal eSE, thereby controlling the body module 22 of the vehicle key. The body MCU221 in the body module 22 of the car key may receive external control information to control the on or off of the low frequency transmitter 222, the on or off of the high frequency receiver 223, change the low frequency activation message information, etc. The specific interaction process comprises the following steps:
Step S1, initializing a terminal NFCC, wherein when the terminal opens an NFC function, a terminal system process powers on the terminal NFCC chip and starts to perform initialization configuration of the terminal NFCC chip.
Step S2, the terminal NFCC activates the terminal eSE, and during the initialization process of the terminal NFCC, the terminal NFCC chip will find the terminal eSE chip connected with the terminal eSE chip, and power up the terminal eSE chip, and send a message to activate the terminal eSE chip.
Step S3, initializing the terminal eSE, wherein the terminal eSE chip is powered on and initialized, and simultaneously, when being activated by the terminal NFCC chip, the terminal eSE chip is initialized by a host control interface (Host Controller Interface, HCI). (terminal eSE chip and terminal NFCC chip are in one HCI network)
Step S4, initializing the vehicle NFCC, where the vehicle NFCC may be in a power-on state all the time.
And S5, the vehicle NFCC activates the vehicle eSE.
Step S6, initializing the vehicle eSE, and the vehicle eSE chip and the vehicle NFCC chip are also in the same HCI network.
In step S7, the terminal activates the smart car key control read applet READER APPLET, and the mobile phone activates the applet by sending some application protocol data unit (Application Protocol Data Unit, APDU) commands specified by the global platform international standard organization (GlobalPlatform, GP). These commands include: manage channels MANAGE CHANNEL, select applet SELECT APPLET, etc. After receiving the Select command, the eSE sets the corresponding READER APPLET to the active state.
In step S8, after the NFCC is set in the Reader mode and READER APPLET is activated, the eSE sends a command to set the NFCC in the Reader mode. The command is an HCI event, and the terminal NFCC enters into a Reader mode after receiving the HCI event. (the 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).
Step S9, the vehicle activates the smart car key control interception applet LISTENER APPLET, and the mobile phone activates the applet by sending APDU commands of some GP specifications. These commands include: MANAGE CHANNEL, SELECT APPLET, etc. After receiving the Select command, the vehicle eSE sets the corresponding LISTENER APPLET to the active state.
Step S10, setting the vehicle NFCC in the listening list mode. (steps S9 and S10 may be that the vehicle central control system provides a User Interface (UI), and the User clicks the corresponding button trigger of the UI.
In step S11, after receiving the vehicle key deactivation request, the terminal needs to send a command to prepare READER APPLET for vehicle key deactivation after activating READER APPLET. At this time, the terminal may have come into contact with the vehicle NFCC.
And step S12, the terminal NFCC detects that the vehicle NFCC approaches.
In step S13, the terminal NFCC and the NFCC at the vehicle end perform Radio Frequency (RF) frame exchange, and use pre-configured RF parameters to establish communication.
After the RF frame exchange is successful, the step S14 is entered, and the terminal NFCC sends an HCI event to the terminal eSE through the HCI network, informing the terminal eSE of discovering the opposite card.
After the terminal eSE receives the HCI event, the terminal eSE and the vehicle eSE enter step S15 to carry out mutual authentication, key negotiation and security channel establishment. Authentication, key agreement and secure channel establish a reference GP specification.
After the terminal eSE successfully establishes the secure channel with the opposite terminal device, step S16 is executed, and the terminal eSE sends a vehicle key deactivation command to the vehicle eSE through the secure channel (i.e. the vehicle key deactivation command in step 101, where the command may also be the vehicle key activation command in step 103).
After receiving the vehicle key deactivation command, LISTENER APPLET of the vehicle eSE proceeds to step S17, and sends the vehicle key deactivation command to the vehicle body MCU to deactivate the intelligent vehicle key. I.e. 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.
Step S19, the vehicle body MCU turns off its high frequency receiver, i.e., stops the receiving function of the high frequency receiver 223.
Step S20, the vehicle body MCU sends a deactivation success message to the vehicle eSE.
Step S21, the vehicle eSE sends a deactivation success message to the terminal eSE through the secure channel.
So far, the car key body is controlled to be in a failure state. The vehicle owner can safely put the vehicle key body 3 in the vehicle without worrying about safety problems.
It should be noted that the above-mentioned vehicle key control method shown in fig. 5 is merely an example, and any one of step S18 and step S19 may be omitted, for example, the vehicle key body 3 may be in a disabled state by turning off the low frequency transmitter or 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 a disabled state. Also, the above-described car key control method shown in fig. 5 illustrates only the process of car key deactivation, the process of car key activation being similar, except that the deactivation instruction in each step is replaced with an activation instruction, and corresponding activation operations are performed in steps S18 and S19, such as starting the transmitting function of the car body signal transmitter (e.g., the low frequency transmitter 222), or starting the receiving function of the car key signal receiver (e.g., the high frequency receiver 223), or restoring the invalid signal to be transmitted to the car key body 3 to the valid wake-up signal. In addition, the above description has been made taking the vehicle body module 22 of the vehicle key as an example of the execution subject of the vehicle key control method, and if the vehicle key body 3 is the execution subject of the vehicle key control method, the vehicle key eSE34 and the vehicle key NFCC35 as shown in fig. 4 may be provided in the vehicle key body 3 to achieve the similar functions, and the specific procedures are not repeated here.
The embodiment of the application also provides a vehicle key control device, which comprises: the channel establishment module is used for establishing a secure channel based on near field communication NFC; the receiving module is used for receiving a car key deactivation instruction from the terminal through the safety channel and receiving a car key activation instruction from the terminal through the safety channel; the control module is used for responding to the vehicle key deactivation instruction to enable the vehicle key body to be controlled in a disabled state, and is used for responding to the vehicle key activation instruction to enable the vehicle key body to be controlled in an enabled state. The vehicle key control device can apply the vehicle key control method, and specific processes and principles are not repeated here.
In one possible embodiment, 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; the control module is specifically used for stopping the transmitting function of the vehicle body signal transmitter; or stopping the receiving function of the car key signal receiver; or converting a wake-up signal to be transmitted to the car key body into an invalid signal.
In a possible embodiment, the control module is in particular also used for starting the transmitting function of the body signal transmitter; or starting the receiving function of the car key signal receiver; or restoring the invalid signal to be transmitted to the car key body to a valid wake-up signal.
In one possible embodiment, the vehicle key control method is used for a vehicle key body including a vehicle key signal transmitter and a vehicle body signal receiver; the control module is specifically used for stopping the transmitting function of the car key signal transmitter; or stopping the reception function of the body signal receiver; or converting a control command to be transmitted to the vehicle into an invalid signal.
In one possible embodiment, the vehicle key control method is used for a vehicle key body including a vehicle key signal transmitter and a vehicle body signal receiver; the control module is specifically used for starting the transmitting function of the car key signal transmitter; or starting the receiving function of the vehicle body signal receiver; or a control command to restore an invalid signal to be transmitted to the vehicle to valid.
It should be understood that the above division of the respective modules of the image processing apparatus is merely a division of logic functions, and may be fully or partially integrated into one physical entity or may be physically separated. And these modules may all be implemented in software in the form of calls by the processing element; or can be realized in hardware; it is also possible that part of the modules are implemented in the form of software called by the processing element and part of the modules are implemented in the form of hardware. For example, the receiving module may be a processing element that is set up separately, or may be implemented integrally in, for example, a certain chip, or may be stored in a memory in the form of a program, and the functions of the above modules may be called and executed by a certain processing element. The implementation of the other modules is similar. In addition, all or part of the modules can be integrated together or can be independently implemented. 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 a software form.
For example, the modules above may be one or more integrated circuits configured to implement the methods above, such as: one or more Application SPECIFIC INTEGRATED Circuits (ASIC), or one or more microprocessors (DIGITAL SINGNAL processor, DSP), or one or more field programmable gate arrays (Field Programmable GATE ARRAY, FPGA), etc. For another example, when a module above 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 (Central Processing Unit, CPU) or other processor that may invoke a program. For another example, the modules may be integrated together and implemented in the form of a system-on-a-chip (SOC).
The embodiment of the application also provides a vehicle key control device, which comprises: a processor and a memory for storing at least one instruction that when loaded and executed by the processor implements the vehicle key control method of any of the embodiments described above.
The embodiment of the application also provides a vehicle, which comprises: a car key control device, the car 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 and executed by the processor to realize the vehicle key control method. The vehicle key control device may specifically be, for example, a vehicle body MCU in fig. 1.
The embodiment of the application also provides a car key body, which comprises: a car key control device, the car 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 and executed by the processor to realize the vehicle key control method in the embodiment. The car key control device may specifically be, for example, the car key MCU in fig. 4.
In the embodiments described above, the number of processors may be one or more, and the processors and the memory may be connected by a bus or other means. The memory, as a non-transitory computer readable storage medium, may be used to store a non-transitory software program, a non-transitory computer executable program, 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 running non-transitory software programs, instructions, and modules stored in memory, i.e., implementing the methods of any of the method embodiments described above. The memory may include a memory program area and a memory data area, wherein the memory program area may store an operating system, at least one application program required for a function; and necessary data, etc. In addition, the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic 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: the vehicle key body 3, the vehicle 2 and the terminal 1 in the above embodiments, the vehicle 2 including the above-described vehicle key control device; or a vehicle control system including a vehicle key body 3, a vehicle 2 and a terminal 1 as shown in fig. 4 in the above-described embodiment, the vehicle key body 3 including the above-described vehicle key control device.
The embodiment of the present application also provides a computer-readable storage medium having stored therein a computer program which, when run on a computer, causes the computer to execute the vehicle key control method in the above embodiment.
In the above embodiments, it may be implemented in whole or in part 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 processes or functions in accordance with the present application are produced in whole or in part. The computer may be a general purpose computer, a special purpose computer, a computer network, or other programmable apparatus. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium, 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 a wired (e.g., coaxial cable, fiber optic, digital subscriber line), or wireless (e.g., infrared, wireless, microwave, etc.). The computer readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, data center, etc. that contains an integration of one or more available media. The usable medium may be a magnetic medium (e.g., floppy disk, hard disk, tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid state disk Solid STATE DISK), etc.
In the embodiments of the present application, "at least one" means one or more, and "a plurality" means two or more. "and/or", describes an association relation of association objects, and indicates that there may be three kinds of relations, for example, a and/or B, and may indicate that a alone exists, a and B together, and B alone exists. Wherein A, B may be singular or plural. The character "/" generally indicates that the context-dependent object is an "or" relationship. "at least one of the following" and the like means any combination of these items, including any combination of single 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 plural.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (7)
1. A vehicle key control method, comprising:
the method comprises the steps that a car key NFCC and a car key eSE establish a safety channel between the car key and a terminal based on near field communication NFC;
the vehicle key eSE receives a vehicle key deactivation instruction from the terminal through the safety channel;
responding to the vehicle key deactivation instruction, and controlling the vehicle key body to be in a failure state;
The vehicle key eSE receives a vehicle key activation instruction from the terminal through the safety channel;
responding to the car key activation instruction, and enabling the car key body to be controlled to be in an effective state;
the car key control method is used for a car key body, and the car key body comprises a car key signal transmitter and a car body signal receiver;
The enabling the car key body control to be in a failure state comprises the following steps:
And stopping the transmitting function of the car key signal transmitter, wherein the transmitting function of the car key signal transmitter is used for controlling the vehicle.
2. The method of claim 1, wherein the step of determining the position of the substrate comprises,
The enabling the car key body control to be in an active state comprises:
Starting the transmitting function of the car key signal transmitter;
Or starting the receiving function of the vehicle body signal receiver;
Or a control command to restore an invalid signal to be transmitted to the vehicle to valid.
3. A vehicle key control apparatus, comprising:
The channel establishing module is used for enabling the car key NFCC and the car key eSE to establish a safety channel between the car key and the terminal based on near field communication NFC;
The receiving module is used for enabling the vehicle key eSE to receive a vehicle key deactivation instruction from the terminal through the safety channel and enabling the vehicle key eSE to receive a vehicle key activation instruction from the terminal through the safety channel;
The control module is used for responding to the vehicle key deactivation instruction to enable the vehicle key body to be controlled in a disabled state, and is used for responding to the vehicle key activation instruction to enable the vehicle key body to be controlled in an enabled state;
The car key control device is used for a car key body, and the car key body comprises a car key signal transmitter and a car body signal receiver;
The enabling the car key body control to be in a failure state comprises the following steps:
And stopping the transmitting function of the car key signal transmitter, wherein the transmitting function of the car key signal transmitter is used for controlling the vehicle.
4. A vehicle key control apparatus, comprising:
A processor and a memory for storing at least one instruction that when loaded and executed by the processor implements the vehicle key control method of any one of claims 1 to 2.
5. A car key body, comprising:
a car key control device, the car key control device comprising:
A processor and a memory for storing at least one instruction that when loaded and executed by the processor implements the vehicle key control method of any one of claims 1 or 2.
6. A vehicle control system, characterized by comprising:
the car key body, the vehicle and the terminal according to claim 5.
7. A computer-readable storage medium, in which a computer program is stored which, when run on a computer, causes the computer to perform the car key control method according to any one of claims 1 to 2.
Applications Claiming Priority (1)
| 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 CN114830619A (en) | 2022-07-29 |
| CN114830619B true CN114830619B (en) | 2024-04-26 |
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| 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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| 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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