CN112550218A - Remote control method and intelligent key for unlocking vehicle, and control method and device - Google Patents
Remote control method and intelligent key for unlocking vehicle, and control method and device Download PDFInfo
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- CN112550218A CN112550218A CN202011465656.2A CN202011465656A CN112550218A CN 112550218 A CN112550218 A CN 112550218A CN 202011465656 A CN202011465656 A CN 202011465656A CN 112550218 A CN112550218 A CN 112550218A
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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
- B60R25/245—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user where the antenna reception area plays a role
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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
- B60R25/25—Means to switch the anti-theft system on or off using biometry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
Abstract
A remote control method and a smart key for unlocking a vehicle, a control method and a device are provided, wherein the remote control method comprises the following steps: receiving a first signal sent by a vehicle, wherein the first signal carries first data of an encryption and unlocking request; receiving a second signal sent by the vehicle, wherein the second signal carries second data of the encryption and unlocking request; acquiring an encryption and unlocking request according to first data and second data of the encryption and unlocking request; decrypting the encryption and unlocking request according to a preset first encryption and decryption protocol to obtain an unlocking request; when the unlocking request is judged to be the unlocking request sent by the matched control device, a third signal is sent to the vehicle, the third signal carries the first data of the encryption unlocking instruction, a fourth signal is sent to the vehicle, and the fourth signal carries the second data of the encryption unlocking instruction, so that the possibility that the signal is intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
Description
Technical Field
The invention relates to the field of vehicle control, in particular to a remote control method for vehicle unlocking, an intelligent key, a control method and a control device.
Background
At present, the automobile enters without a key and has more perfect functions of welcoming. When you step into the designated range, the system can recognize that you are authorized drivers and automatically open the door. Once getting on the car, you can start the ignition switch by pressing one button.
Small vehicles such as motorcycles, electric vehicles, and the like are also increasingly provided with wireless key starting and closing functions.
However, in the use of the wireless starting function of the vehicle, distance limitation and anti-interference limitation often exist, so that the safety of the vehicle is affected.
Disclosure of Invention
The invention aims to provide a remote control method for unlocking a vehicle, an intelligent key, a control method and a control device, so as to reduce the probability of intercepting and cracking signals in the air and improve the safety of the vehicle.
In order to solve the above problem, the present invention provides a remote control method for unlocking a vehicle, comprising: receiving a first signal sent by a vehicle, wherein the first signal carries first data of an encryption and unlocking request; receiving a second signal sent by the vehicle, wherein the second signal carries second data of the encryption and unlocking request; acquiring an encryption and unlocking request according to first data and second data of the encryption and unlocking request; decrypting the encryption and unlocking request according to a preset first encryption and decryption protocol to obtain an unlocking request; and when the unlocking request is judged to be the unlocking request sent by the matched control device, sending a third signal to the vehicle, wherein the third signal carries first data of an encryption unlocking instruction, and sending a fourth signal to the vehicle, and the fourth signal carries second data of the encryption unlocking instruction.
Optionally, the first signal is a low-frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
Optionally, before receiving the first signal sent by the vehicle, the method further includes: intermittently listening for the first signal; before receiving the second signal sent by the vehicle, the method further comprises the following steps: intermittently listening for the second signal.
Optionally, the charging coil is used as an antenna to receive and transmit signals; before at least one of the step of receiving the first signal sent by the vehicle or the step of receiving the second signal sent by the vehicle, the charging coil receives the charging signal sent by the vehicle to obtain the preset electric quantity.
A smart key, comprising: first wireless module, second wireless module and controller, wherein: the first wireless module is suitable for receiving a first signal sent by a vehicle, and the first signal carries first data of an encryption unlocking request; the second wireless module is suitable for receiving a second signal sent by the vehicle, and the second signal carries second data of the encryption and unlocking request; the controller is suitable for obtaining the encryption and unlocking request according to the first data and the second data of the encryption and unlocking request; the method comprises the steps that the encryption and unlocking request is decrypted according to a preset first encryption and decryption protocol to obtain an unlocking request; and when the unlocking request is judged to be the unlocking request sent by the matched mainboard, sending a third signal to the vehicle through the first wireless module, wherein the third signal carries the first data of the encryption unlocking instruction, and sending a fourth signal to the vehicle through the second wireless module, and the fourth signal carries the second data of the encryption unlocking instruction.
Optionally, the first signal is a low-frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
Optionally, the first wireless module intermittently listens for the first signal; the second wireless module listens intermittently for the second signal.
Optionally, the method further includes: the charging coil is suitable for receiving a charging signal to obtain preset electric quantity; the smart key receives and sends signals by taking the charging coil as an antenna.
A control method of vehicle unlocking, comprising: receiving a third signal sent by the intelligent key, wherein the third signal carries first data of an encryption unlocking instruction; receiving a fourth signal sent by the intelligent key, wherein the fourth signal carries second data of the encryption and unlocking instruction; acquiring an encryption and unlocking instruction according to first data and second data of the encryption and unlocking instruction; decrypting the encrypted unlocking instruction according to a preset second encryption and decryption protocol to obtain an unlocking instruction; and unlocking the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
Optionally, the method further includes: before receiving the third signal, sending a first signal to the smart key, wherein the first signal carries first data of an encryption unlocking request; and sending a second signal to the intelligent key before receiving the fourth signal, wherein the second signal carries second data of the encryption and unlocking request.
Optionally, the first signal is a low-frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
Optionally, the method further includes: and after the turning of the vehicle head is detected, executing at least one of the step of sending the first signal and the step of sending the second signal.
Optionally, the method further includes: and obtaining the relative position between the intelligent key and the vehicle according to the third signal and the fourth signal.
Optionally, the step of obtaining the relative position between the smart key and the vehicle includes: obtaining a relative position between the smart key and a vehicle according to the signal strength of the third signal and the fourth signal; alternatively, the step of obtaining the relative position between the smart key and the vehicle comprises: and obtaining the relative position between the intelligent key and the vehicle according to the time difference between the sending of the first signal and the receiving of the third signal and the time difference between the sending of the second signal and the receiving of the fourth signal.
Optionally, the power transmission coil is used as an antenna to receive and transmit signals; before at least one of the step of transmitting the first signal and the step of transmitting the second signal, the method further includes: and sending a charging signal to the intelligent key through the power transmission coil.
Optionally, before sending the charging signal, the method further includes: collecting biological identification information; transmitting the charging signal after determining that the biometric information is authenticated biometric information.
A control device for unlocking a vehicle, comprising: the system comprises a first wireless module, a second wireless module and a control mainboard; the first wireless module is suitable for receiving a third signal sent by the intelligent key, and the third signal carries first data of an encryption unlocking instruction; the second wireless module is suitable for receiving a fourth signal sent by the intelligent key, and the fourth signal carries second data of the encryption unlocking instruction; the control main board is suitable for obtaining the encryption and unlocking instruction according to the first data and the second data of the encryption and unlocking instruction; the encryption and unlocking instruction is decrypted according to a preset second encryption and decryption protocol to obtain an unlocking instruction; and the vehicle unlocking method is also suitable for unlocking the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
Optionally, the first wireless module is further adapted to send a first signal to the smart key, where the first signal carries first data of the encryption unlocking request; the second wireless module is further adapted to send a second signal to the smart key, the second signal carrying second data of the encrypted unlock request.
Optionally, the first signal is a low-frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
Optionally, the method further includes: the rotation detection module is suitable for detecting the state of the vehicle head; when the rotation detection module detects that the vehicle head rotates, the first wireless module sends the first signal or the second wireless module sends the second signal; or when the rotation detection module detects that the vehicle head rotates, the first wireless module sends the first signal, and meanwhile, the second wireless module sends the second module.
Optionally, the method further includes: and the positioning module is suitable for obtaining the relative position between the intelligent key and the vehicle according to the third signal and the fourth signal.
Optionally, the positioning module obtains a relative position between the smart key and the vehicle according to the signal strength of the third signal and the fourth signal; or the positioning module obtains the relative position between the intelligent key and the vehicle according to the time difference between the sending of the first signal and the receiving of the third signal and the time difference between the sending of the second signal and the receiving of the third signal.
Optionally, the method further includes: the control main board sends a charging signal to the intelligent key through the charging coil; the control device receives and transmits signals by taking the power transmission coil as an antenna.
Optionally, the method further includes: the biological identification module is suitable for acquiring biological identification information; and after the biological identification information is judged to be authenticated, the control main board sends the charging signal.
Compared with the prior art, the technical scheme of the invention has the following advantages:
in the technical scheme of the invention, the data of the encryption and unlocking request is divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
In an alternative aspect of the present invention, the first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals, so that distance limitation and anti-interference limitation in the use process can be effectively broken through.
In the alternative scheme of the invention, a signal is sent to the intelligent key when the turning of the headstock is detected; before this, controlling means is dormant state, does not need the good point to can effectively save controlling means's power consumption, can practice thrift the electric quantity for the vehicle storage battery.
In the alternative scheme of the invention, a charging coil and a power transmission coil are used as the antenna for signal transmission; moreover, the charging coil and the power transmission coil are matched with each other, so that wireless charging of the intelligent key can be realized, the service time of the intelligent key can be effectively prolonged, and the intelligent key cannot be used due to no power.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating a method for remotely controlling unlocking of a vehicle according to an embodiment of the present invention;
FIG. 2 is a block diagram of an embodiment of the key fob of the present invention;
FIG. 3 is a schematic flow chart diagram illustrating an embodiment of a method for controlling unlocking of a vehicle according to the present invention;
fig. 4 is a functional block diagram of an embodiment of the control device of the present invention.
Detailed Description
As known from the background art, the wireless key starting and closing device of the motorcycle and the electric vehicle in the prior art has the problem of poor safety. This is because the existing wireless key starting and closing devices for motorcycles and electric vehicles transmit encrypted information only through one signal even if the encrypted information is encrypted. The possibility of interception and cracking in the air is relatively high, and the safety of the vehicle cannot be guaranteed.
In order to solve the technical problem, the invention provides a control method for remotely controlling unlocking of a vehicle, which comprises the following steps:
receiving a first signal sent by a vehicle, wherein the first signal carries first data of an encryption and unlocking request; receiving a second signal sent by the vehicle, wherein the second signal carries second data of the encryption and unlocking request; acquiring an encryption and unlocking request according to first data and second data of the encryption and unlocking request; decrypting the encryption and unlocking request according to a preset first encryption and decryption protocol to obtain an unlocking request; and when the unlocking request is judged to be the unlocking request sent by the matched main board, sending a third signal to the vehicle, wherein the third signal carries first data of an encryption unlocking instruction, and sending a fourth signal to the vehicle, and the fourth signal carries second data of the encryption unlocking instruction.
The technical scheme of the invention includes that data of an encryption and unlocking request is divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, a flow chart of an embodiment of the remote control method for unlocking the vehicle is shown.
The remote control method comprises the following steps: step S111, receiving a first signal sent by a vehicle, wherein the first signal carries first data of an encryption unlocking request; step S112, receiving a second signal sent by the vehicle, wherein the second signal carries second data of the encryption and unlocking request; step S120, obtaining the encryption and unlocking request according to the first data and the second data of the encryption and unlocking request; step S130, decrypting the encryption and unlocking request according to a preset first encryption and decryption protocol to obtain an unlocking request; when the unlocking request is judged to be the unlocking request sent by the matched main board, step S141 is to send a third signal to the vehicle, where the third signal carries the first data of the encryption unlocking instruction, and step S142 is to send a fourth signal to the vehicle, where the fourth signal carries the second data of the encryption unlocking instruction.
The data of the encryption and unlocking request are divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
In the present embodiment, the vehicle is a small vehicle such as a motorcycle or an electric vehicle.
The technical solution of the present invention will be described in detail with reference to examples.
Firstly, step S111 is executed, a first signal sent by a vehicle is received, and the first signal carries first data of an encryption unlocking request; and step S112, receiving a second signal sent by the vehicle, wherein the second signal carries second data of the encryption and unlocking request.
The first signal and the second signal respectively carry two parts of an encryption unlocking request, and even if one signal can be intercepted and decrypted, the vehicle cannot be unlocked, so that the safety of the vehicle can be effectively improved.
In some embodiments of the invention, the first signal transmitted by the vehicle is a low frequency signal; the second signal is an ultra-high frequency signal. Specifically, in this embodiment, the first signal is a low-frequency signal of 125 KHz; the second signal is a 2.5GHz ultrahigh frequency signal of a low-power-consumption Bluetooth module (BLE module), and the addition of the ultrahigh frequency signal is beneficial to breaking through distance limitation and anti-interference limitation in the use process, can effectively reduce the possibility of signal interception and is beneficial to improving the safety.
The first signal and the second signal carry two parts of data of the encryption and unlocking request respectively. For example, the data length of the encryption unlocking request is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
It should be noted that the execution order of step S111 and step S112 is not limited in the present invention; step S111 and step S112 may be executed successively, or step S112 may be executed first and then step S111 may be executed, or step S111 and step S112 may be executed simultaneously.
In some embodiments of the present invention, before performing step S111 and receiving the first signal, the remote control method further includes: executing step S101, and intermittently listening to the first signal; before step S112 is executed, and the remote control method further includes: step S102 is executed, and the second signal is intermittently listened to.
The method for intermittently intercepting the first signal and the second signal does not need to intercept the signals in real time, and the signal interception function is in a dormant and awakening cyclic working mode, so that the energy consumption of equipment can be effectively reduced.
After receiving the first signal and the second signal, step S120 is executed to obtain the encryption/unlocking request according to the first data and the second data of the encryption/unlocking request.
Specifically, the encryption and unlocking request is divided into two parts which are respectively carried by a first signal and a second signal; therefore, after the first signal and the second signal are completely received, the data carried by the first signal and the second signal are integrated, so that the complete encryption unlocking request can be obtained.
For example, since the data allocation convention of the encryption and unlocking request is preset, the data carried by the first signal and the data carried by the second signal are combined according to the data allocation convention to obtain the complete encryption and unlocking request.
After the complete encryption and unlocking request is obtained, step S130 is executed, and the encryption and unlocking request is decrypted according to a preset first encryption and decryption protocol to obtain an unlocking request.
After obtaining an unlocking request, identifying whether the unlocking request is sent by the matched control device; when the unlocking request is judged to be the unlocking request sent by the matched control device, step S141 is executed, and a third signal is sent to the vehicle, wherein the third signal carries first data of the encrypted unlocking instruction; and executing the step S142, and sending a fourth signal to the vehicle, wherein the fourth signal carries second data of the encryption unlocking instruction.
The third signal and the fourth signal respectively carry two parts of an encryption unlocking instruction, and even if one signal can be intercepted and decrypted, the vehicle cannot be unlocked, so that the safety of the vehicle can be effectively improved.
In some embodiments of the invention, the third signal is a high frequency signal; the fourth signal is an ultra-high frequency signal. Specifically, in this embodiment, the third signal is a 433MHz low-frequency signal; the fourth signal is a 2.5GHz ultrahigh frequency signal of a low-power-consumption Bluetooth module (BLE module), and the addition of the ultrahigh frequency signal is beneficial to breaking through distance limitation and anti-interference limitation in the use process, can effectively reduce the possibility of signal interception and is beneficial to improving the safety.
The third signal and the fourth signal carry two parts of data of an encryption and unlocking instruction respectively. For example, the data length of the encryption unlocking command is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
The execution sequence of step S141 and step S142 is not limited in the present invention; step S141 and step S142 may be executed successively, or step S142 may be executed first and then step S141 is executed, or step S141 and step S142 may be executed simultaneously.
It should be further noted that, in this embodiment, an antenna used for transmitting and receiving signals is a charging coil, that is, the charging coil is used as an antenna to receive and transmit signals; and before at least one of the step of receiving the first signal transmitted by the vehicle in the step S111 or the step of receiving the second signal transmitted by the vehicle in the step S112 is performed, receiving the charging signal transmitted by the vehicle through the charging coil to obtain the preset amount of power. Utilize the charging coil, realize the electric quantity coupling, can realize wireless charging to the intelligent key to can make the intelligent key have sufficient electric quantity with work, can effectively solve the key and lack the problem of electricity and unable unblock vehicle.
Correspondingly, the invention also provides a smart key, and referring to fig. 2, a structural block diagram of an embodiment of the smart key of the invention is shown.
As shown in fig. 2, the smart key includes: a first wireless module 111, a second wireless module 112 and a controller 120, wherein the first wireless module 111 is adapted to receive a first signal transmitted by a vehicle, and the first signal carries first data of an encrypted unlocking request; the second wireless module 112 is adapted to receive a second signal sent by the vehicle, where the second signal carries second data of the encrypted unlocking request; the controller 120 is adapted to obtain the encrypted unlocking request according to the first data and the second data of the encrypted unlocking request; the method comprises the steps that the encryption and unlocking request is decrypted according to a preset first encryption and decryption protocol to obtain an unlocking request; and when the unlocking request is judged to be the unlocking request sent by the matched mainboard, sending a third signal to the vehicle through the first wireless module, wherein the third signal carries first data of the encryption unlocking instruction, and sending a fourth signal to the vehicle, and the fourth signal carries second data of the encryption unlocking instruction.
The data of the encryption and unlocking request are divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
In the present embodiment, the vehicle is a small vehicle such as a motorcycle or an electric vehicle.
The technical solution of the embodiment of the smart key is described in detail below with reference to the embodiment.
The first wireless module 111 is adapted to receive a first signal sent by a vehicle, where the first signal carries first data of an encrypted unlocking request; the second wireless module 112 is adapted to receive a second signal sent by the vehicle, where the second signal carries second data of the encrypted unlocking request.
The first signal and the second signal respectively carry two parts of an encryption unlocking request, and even if one signal can be intercepted and decrypted, the vehicle cannot be unlocked, so that the safety of the vehicle can be effectively improved.
In some embodiments of the invention, the first signal transmitted by the vehicle is a low frequency signal; the second signal is an ultra-high frequency signal. Specifically, in this embodiment, the first signal is a low-frequency signal of 125 KHz; the second signal is a 2.5GHz ultrahigh frequency signal of a low-power-consumption Bluetooth module (BLE module), and the addition of the ultrahigh frequency signal is beneficial to breaking through distance limitation and anti-interference limitation in the use process, can effectively reduce the possibility of signal interception and is beneficial to improving the safety.
The first signal and the second signal carry two parts of data of the encryption and unlocking request respectively. For example, the data length of the encryption unlocking request is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
In some embodiments of the present invention, the first wireless module 111 intermittently listens for the first signal; the second wireless module 112 listens intermittently for the second signal. The method of intercepting the first signal and the second signal intermittently does not need to intercept the signals in real time, and the intelligent key is in a dormant and awakening cyclic working mode, so that the energy consumption of equipment can be effectively reduced.
With continued reference to fig. 2, the fob further comprises: a controller 120, the controller 120 being adapted to obtain the encrypted unlocking request according to the first data and the second data of the encrypted unlocking request; the method comprises the steps that the encryption and unlocking request is decrypted according to a preset first encryption and decryption protocol to obtain an unlocking request; and when the unlocking request is judged to be the unlocking request sent by the matched mainboard, sending a third signal to the vehicle through the first wireless module, wherein the third signal carries first data of the encryption unlocking instruction, and sending a fourth signal to the vehicle, and the fourth signal carries second data of the encryption unlocking instruction.
Specifically, the encryption and unlocking request is divided into two parts which are respectively carried by a first signal and a second signal; therefore, after the first wireless module 111 and the second wireless module 112 completely receive the first signal and the second signal, the controller 120 obtains the first signal and the second signal and integrates data carried by the first signal and the second signal, so as to obtain the complete encryption unlocking request.
For example, a convention for allocating the data of the encryption and unlocking request is preset in the controller 120, and the controller combines the data carried by the first signal and the data carried by the second signal based on the convention, so as to obtain the complete encryption and unlocking request.
In addition, a first encryption and decryption protocol is preset in the controller 120, and after obtaining a complete encryption and unlocking request, the controller decrypts the encryption and unlocking request according to the first encryption and decryption protocol to obtain an unlocking request.
Additionally, the controller 120, after obtaining the unlocking request, is further adapted to identify whether the unlocking request is sent by the matched control device; when the unlocking request is judged to be the unlocking request sent by the matched control device, the controller 120 sends a third signal to the vehicle through the first wireless module 111, the third signal carries first data of an encryption unlocking instruction, and sends a fourth signal to the vehicle through the second wireless module 112, and the fourth signal carries second data of the encryption unlocking instruction.
The third signal and the fourth signal respectively carry two parts of an encryption unlocking instruction, and even if one signal can be intercepted and decrypted, the vehicle cannot be unlocked, so that the safety of the vehicle can be effectively improved.
In some embodiments of the invention, the third signal is a high frequency signal; the fourth signal is an ultra-high frequency signal. Specifically, in this embodiment, the third signal is a 433MHz low-frequency signal; the fourth signal is a 2.5GHz ultrahigh frequency signal of a low-power-consumption Bluetooth module (BLE module), and the addition of the ultrahigh frequency signal is beneficial to breaking through distance limitation and anti-interference limitation in the use process, can effectively reduce the possibility of signal interception and is beneficial to improving the safety.
The third signal and the fourth signal carry two parts of data of an encryption and unlocking instruction respectively. For example, the data length of the encryption unlocking command is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
As shown in fig. 2, in this embodiment, the smart key further includes: a charging coil 130 adapted to receive a charging signal to obtain a predetermined amount of electricity; the charging coil 130 is further adapted to receive and transmit signals as an antenna, that is, the antenna of the smart key is a coil of one turn, the first wireless module 111 and the second wireless module 112 receive the first signal and the second signal with the charging coil 120 as an antenna, and transmit the third signal and the fourth signal; charging coil 130 can also with the last corresponding coil coupling of vehicle, when being close to each other, can pass through charging coil 130 coupling electric quantity realizes the function of similar wireless charging, thereby can guarantee the smart key has sufficient electric quantity work, thereby avoids the smart key to lack the phenomenon of electricity and unable unblock vehicle.
In addition, the invention also provides a control method for unlocking the vehicle. Referring specifically to fig. 3, a flowchart of an embodiment of the control method for unlocking a vehicle according to the present invention is shown.
The control method for unlocking the vehicle comprises the following steps: executing step S211, and receiving a third signal sent by the smart key, wherein the third signal carries first data of an encryption unlocking instruction; executing step S212, and receiving a fourth signal sent by the smart key, wherein the fourth signal carries second data of the encryption unlocking instruction; executing step S220, and obtaining the encryption and unlocking instruction according to the first data and the second data of the encryption and unlocking instruction; executing step S230, decrypting the encrypted unlocking instruction according to a preset second encryption and decryption protocol to obtain an unlocking instruction; and executing step S240 to unlock the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
The data of the encryption and unlocking request are divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
In the present embodiment, the vehicle is a small vehicle such as a motorcycle or an electric vehicle.
The technical solution of the present invention will be described in detail with reference to examples.
Firstly, executing step S211, and receiving a third signal sent by the smart key, wherein the third signal carries first data of an encryption unlocking instruction; and step S212 is executed, and a fourth signal sent by the smart key is received, wherein the fourth signal carries second data of the encryption unlocking instruction.
The third signal and the fourth signal respectively carry two parts of an encryption unlocking instruction, and even if one signal can be intercepted and decrypted, the vehicle cannot be unlocked, so that the safety of the vehicle can be effectively improved.
The third signal and the fourth signal carry two parts of data of an encryption and unlocking instruction respectively. For example, the data length of the encryption unlocking command is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
It should be noted that the execution order of step S211 and step S212 is not limited in the present invention; step S211 and step S212 may be executed successively, or step S212 may be executed first and then step S211 may be executed, or step S211 and step S212 may be executed simultaneously.
As shown in fig. 3, in some embodiments of the present invention, before the step S211 is executed to receive the third signal, step S202 is executed to send a first signal to the smart key, where the first signal carries first data of an encryption unlocking request; before step S212 is executed to receive the fourth signal, step S203 is executed to send a second signal to the smart key, where the second signal carries second data of the encryption/unlocking request.
The first signal and the second signal carry two parts of data of the encryption and unlocking request respectively. For example, the data length of the encryption unlocking request is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
In some embodiments of the invention, the first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals. Specifically, in this embodiment, the first signal is a low-frequency signal of 125 KHz; the third signal is a 433MHz low-frequency signal; the second signal and the fourth signal are ultrahigh frequency signals of 2.5GHz of a Bluetooth Low Energy (BLE) module. The addition of the ultrahigh frequency signal is beneficial to breaking through the distance limitation and the anti-interference limitation in the use process, can effectively reduce the possibility of signal interception and is beneficial to improving the safety.
It should be noted that the execution sequence of step S202 and step S203 is not limited in the present invention; step S202 and step S203 may be executed successively, or step S202 may be executed after step S203 is executed, or step S202 and step S203 may be executed simultaneously.
It should be further noted that, as shown in fig. 3, in some embodiments of the present invention, the control method further includes: after the vehicle head rotation is detected in the step S201, at least one of the step of sending the first signal and the step of sending the second signal is executed. Specifically, in this embodiment, before any one of the step S202 of sending the first signal to the smart key and the step S203 of sending the second signal to the smart key is executed, the step S201 is executed to detect the vehicle head state; when the turning of the headstock is detected, step S202 is executed to send a first signal to the smart key and step S203 is executed to send a second signal to the smart key.
After small vehicles such as motorcycles or electric vehicles are parked and stand still, the head of the vehicle is often deviated to one direction; when a small vehicle is started, the vehicle head is required to be rotated; when the situation that the user rotates the vehicle head is detected, the device on the vehicle detects the operation, and then the electronic equipment on the vehicle is awakened to start working; when the vehicle is in a standing state, the electronic equipment on the vehicle is in a dormant state, energy consumption is not needed, and therefore the electric quantity of the storage battery of the vehicle can be saved.
After receiving the third signal and the fourth signal, step S220 is executed to obtain the encryption/decryption instruction according to the first data and the second data of the encryption/decryption instruction.
Specifically, the encryption and unlocking instruction is divided into two parts which are respectively carried by a third signal and a fourth signal; therefore, after the third signal and the fourth signal are completely received, the data carried by the third signal and the fourth signal are integrated, so that the complete encryption unlocking instruction can be obtained.
For example, since the data allocation convention of the encryption and unlocking instruction is preset, the data carried by the third signal and the data carried by the fourth signal are combined according to the data allocation convention, so as to obtain the complete encryption and unlocking instruction.
After the complete encryption and unlocking instruction is obtained, step S230 is executed, and the encryption and unlocking instruction is decrypted according to a preset second encryption and decryption protocol to obtain an unlocking instruction.
Further, after an unlocking instruction is obtained, whether the unlocking instruction is the unlocking instruction sent by the matched intelligent key is identified; and when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key, executing step 240, and unlocking the vehicle.
Specifically, in some embodiments of the present invention, after the decrypted unlocking instruction is obtained, the unlocking instruction is identified and compared, the unlocking instruction is confirmed to be sent by the matched smart key, and the confirmation information is correct, and the unlocking signal and the level are sent to the lock, and the lock magnet is attracted, so that the operation such as unlocking, speed selection and the like can be further performed by rotating the button of the headstock console.
It should be noted that, in some embodiments of the present invention, the control method further includes: and obtaining the relative position between the intelligent key and the vehicle according to the third signal and the fourth signal. In this embodiment, the step of obtaining the relative position between the smart key and the vehicle includes: and obtaining the relative position between the intelligent key and the vehicle according to the signal strength of the third signal and the fourth signal.
Specifically, after the third Signal and the fourth Signal are Received, the Received Signal Indication Strength values (RSSI) of the third Signal and the fourth Signal are used to convert the coordinate position, and the accurate relative position relationship between the smart key and the vehicle is calculated. If the distance between the fob and the vehicle is within a preset distance (e.g., within 1 meter), the vehicle is unlocked directly.
Through two signal conversion coordinate positions, more accurate position relation between intelligent key and the vehicle can be obtained to can be when guaranteeing the security, more accurate judgement user is to the demand of vehicle operation, be favorable to realizing that user experience improves and compromise that vehicle security improves.
In other embodiments of the invention, the relative position relationship between the smart key and the vehicle can also be obtained through signal feedback time. Specifically, the step of obtaining the relative position between the smart key and the vehicle includes: and obtaining the relative position between the intelligent key and the vehicle according to the time difference between the sending of the first signal and the receiving of the third signal and the time difference between the sending of the second signal and the receiving of the third signal.
In this embodiment, the antenna used for transmitting and receiving signals is a coil with one turn, i.e., a power transmission coil, that is, the power transmission coil is used as an antenna for receiving and transmitting signals; further, before at least one of the step of transmitting the first signal in step S202 and the step of transmitting the second signal in step S203 is performed, the method further includes: and sending a charging signal to the intelligent key through the power transmission coil. Specifically, when the locomotive is detected to rotate, the power transmission coil couples the power to the antenna of the intelligent key, so that the function similar to wireless charging is realized, the intelligent key has enough power to work, and the problem that the vehicle cannot be unlocked due to the fact that the key is out of power can be effectively solved.
It should be further noted that, in some embodiments of the present invention, before sending the charging signal, the control method further includes: collecting biological identification information; transmitting the charging signal after determining that the biometric information is authenticated biometric information. The biological identification information can be used for identity authentication, so that the safety of the vehicle can be effectively improved.
Specifically, when the smart key is not powered on, the smart key collects biometric information such as finger fingerprints or palm prints and the like to perform identity authentication; and after the identity authentication is passed, charging the intelligent key so as to unlock the vehicle. In addition, in other embodiments of the invention, the vehicle may be unlocked directly through biometric information.
Correspondingly, the invention further provides a control device for unlocking the vehicle. Referring to fig. 4, a functional block diagram of an embodiment of the control device is shown.
The control device includes: the first wireless module 211 is adapted to receive a third signal sent by the smart key, where the third signal carries first data of an encryption unlocking instruction; the second wireless module 212 is adapted to receive a fourth signal sent by the smart key, where the fourth signal carries second data of the encrypted unlocking instruction; the control motherboard 220 is adapted to obtain the encryption and unlocking instruction according to the first data and the second data of the encryption and unlocking instruction; the encryption and unlocking instruction is decrypted according to a preset second encryption and decryption protocol to obtain an unlocking instruction; and the vehicle unlocking method is also suitable for unlocking the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
The data of the encryption and unlocking request are divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
In the present embodiment, the vehicle is a small vehicle such as a motorcycle or an electric vehicle.
The technical solution of the present invention will be described in detail with reference to examples.
The first wireless module 211 is adapted to receive a third signal sent by the smart key, where the third signal carries first data of an encryption unlocking instruction; the second wireless module 212 is adapted to receive a fourth signal sent by the smart key, where the fourth signal carries second data of the encrypted unlocking instruction.
The third signal and the fourth signal respectively carry two parts of an encryption unlocking instruction, and even if one signal can be intercepted and decrypted, the vehicle cannot be unlocked, so that the safety of the vehicle can be effectively improved.
The third signal and the fourth signal carry two parts of data of an encryption and unlocking instruction respectively. For example, the data length of the encryption unlocking command is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
It should be noted that, in some embodiments of the present invention, the first wireless module 211 is further adapted to send a first signal to the smart key, where the first signal carries first data of the encrypted unlocking request; the second wireless module 212 is further adapted to send a second signal to the fob, the second signal carrying second data of the encrypted unlock request.
The first signal and the second signal carry two parts of data of the encryption and unlocking request respectively. For example, the data length of the encryption unlocking request is 20 bytes, and the first signal carries the first 10 bytes, or the last 10 bytes, or the middle 10 bytes, or the like, or 10 bytes by other combinations of convention, or N bytes; the second signal carries the remaining 10 bytes or 20-N bytes.
In some embodiments of the invention, the first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals. Specifically, in this embodiment, the first signal is a low-frequency signal of 125 KHz; the third signal is a 433MHz low-frequency signal; the second signal and the fourth signal are ultrahigh frequency signals of 2.5GHz of a Bluetooth Low Energy (BLE) module. The addition of the ultrahigh frequency signal is beneficial to breaking through the distance limitation and the anti-interference limitation in the use process, can effectively reduce the possibility of signal interception and is beneficial to improving the safety.
As shown in fig. 4, in some embodiments of the present invention, the control device further includes: the rotation detection module 201 is suitable for detecting the state of the vehicle head; when the rotation detection module 201 detects that the vehicle head rotates, the first wireless module 211 sends the first signal or the second wireless module 212 sends the second signal; or, when the rotation detection module 201 detects that the vehicle head rotates, the first wireless module 212 sends the first signal, and simultaneously, the second wireless module 212 sends the second module.
Specifically, the rotation detection module 201 includes: a Gravity sensor (G-sensor) or a gyroscope or other rotation detector arranged on the head of the vehicle, and the head of the vehicle is usually biased to one direction after small vehicles such as motorcycles or electric vehicles are parked and stood; when a small vehicle is started, the vehicle head is required to be rotated; when a user rotates the vehicle head, the rotation detector arranged on the vehicle head detects that the vehicle head rotates, and the rotation detection module wakes up the control main board 220 and the electronic devices such as the first wireless module 211 and the second wireless module 212 to start working, so as to send and receive signals. When the vehicle is in a standing state, the control main board 220, the first wireless module 211, the second wireless module 212 and other electronic devices are in a dormant state, energy consumption is not needed, and therefore the electric quantity of the storage battery of the vehicle can be saved.
With continued reference to fig. 4, the control apparatus further includes: the control motherboard 220 is adapted to obtain the encryption and unlocking instruction according to the first data and the second data of the encryption and unlocking instruction; the encryption and unlocking instruction is decrypted according to a preset second encryption and decryption protocol to obtain an unlocking instruction; and the vehicle unlocking method is also suitable for unlocking the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
Specifically, the encryption and unlocking instruction is divided into two parts, which are respectively carried by the third signal and the fourth signal; therefore, after the first wireless module 211 and the second wireless module 212 completely receive the third signal and the fourth signal, the control main board 220 obtains the third signal and the fourth signal, and integrates data carried by the third signal and the fourth signal, so as to obtain the complete encryption unlocking instruction.
For example, the control main board 220 is preset with an agreement for data allocation of the encryption/unlocking instruction, and the control main board 220 combines data carried by the third signal and the fourth signal based on the agreement, so as to obtain the complete encryption/unlocking instruction.
In addition, a second encryption and decryption protocol is preset in the control main board 220, and after the control main board 220 obtains a complete encryption and unlocking instruction, the encryption and unlocking instruction is decrypted according to the second encryption and decryption protocol to obtain an unlocking instruction.
In addition, after obtaining the unlocking command, the control motherboard 220 is further adapted to identify whether the unlocking command is sent by the matched smart key; when the unlocking instruction is determined to be the unlocking instruction sent by the matched intelligent key, the control main board 220 unlocks the vehicle.
Specifically, in some embodiments of the present invention, after the control main board 220 obtains the unlocking instruction, the unlocking instruction is identified and compared, and it is confirmed that the unlocking instruction is sent by the matched smart key, and it is confirmed that the information is correct, the control main board 220 sends the unlocking signal and the level to the lock, and the lock magnet is attracted, and the control main board 220 may also open the authority of rotating the button of the headstock console, unlocking, selecting the speed, and other operations.
It should be noted that, as shown in fig. 4, in some embodiments of the present invention, the control device further includes: a positioning module 240, wherein the positioning module 240 is adapted to obtain a relative position between the smart key and the vehicle according to the third signal and the fourth signal. In this embodiment, the positioning module 240 obtains the relative position between the smart key and the vehicle according to the signal strength of the third signal and the fourth signal.
Specifically, after the control main board 220 receives the third Signal and the fourth Signal through the first wireless module 211 and the second wireless module 212, respectively, the positioning module 240 indicates a Strength value (RSSI) through the Received signals of the third Signal and the fourth Signal, converts a coordinate position, and calculates an accurate relative position relationship between the smart key and the vehicle. If the distance between the fob and the vehicle is within a preset distance (e.g., within 1 meter), the vehicle is unlocked directly.
Through two signal conversion coordinate positions, more accurate position relation between intelligent key and the vehicle can be obtained to can be when guaranteeing the security, more accurate judgement user is to the demand of vehicle operation, be favorable to realizing that user experience improves and compromise that vehicle security improves.
In addition, in order to improve the accuracy of the existing position relationship between the smart key and the vehicle obtained by the positioning module 240, in the present embodiment, a certain distance is provided between the positions where the first wireless module 211 and the second wireless module 212 are disposed. Specifically, the first wireless module 212 and the second wireless module are respectively disposed at a head or a tail of the vehicle.
In other embodiments of the present invention, the positioning module obtains the relative position relationship between the key fob and the vehicle by signal feedback time. Specifically, the positioning module obtains the relative position between the smart key and the vehicle according to a time difference between transmitting the first signal and receiving the third signal and a time difference between transmitting the second signal and receiving the third signal.
As shown in fig. 4, in this embodiment, the control device further includes a power transmission coil 230, and the control main board 230 sends a charging signal to the smart key through the charging coil; the control device receives and transmits signals with the power transmitting coil 230 as an antenna. Specifically, the control main board 220 may send the charging model number to the smart key through the power transmission coil 230 before sending the first signal and the second signal.
It can be seen that the antenna of the control device is a coil with one turn, that is, the power transmission coil 230, and the first wireless module 211 and the second wireless module 212 transmit the first signal and the second signal and receive the third signal and the fourth signal by using the power transmission coil 230 as an antenna. In addition, the power transmission coil 230 may be coupled with a corresponding coil on the smart key to implement a function similar to wireless charging. Specifically, when the rotation detection module 201 detects that the vehicle head rotates and the intelligent key is close to the vehicle head, the control main board 220 couples a charging coil of the intelligent key with a certain electric quantity through the power transmission coil 230, so that the intelligent key can be guaranteed to work with enough electric quantity, and the phenomenon that the intelligent key cannot unlock the vehicle due to no electricity is avoided.
It should be noted that, in other embodiments of the present invention, the control device further includes: the biological identification module is suitable for acquiring biological identification information; and after the biological identification information is judged to be authenticated, the control main board sends the charging signal. The biological identification module can perform identity authentication, so that the safety of the vehicle can be effectively improved.
Specifically, when the smart key is not powered on, the biometric identification module collects biometric identification information such as finger fingerprints or palm prints and the like to perform identity authentication; after the identity authentication is passed, the control mainboard charges the intelligent key through the power transmission coil, and then unlocks the vehicle. In addition, in other embodiments of the present invention, after the identity authentication of the biometric information passes, the control motherboard may also directly unlock the vehicle.
In summary, the data of the encryption and unlocking request is divided into two parts which are respectively sent by different signals; the encryption unlocking command is also divided into two parts and sent by different signals. Therefore, the possibility that the signals are intercepted and cracked in the air can be effectively reduced, and the safety of the vehicle can be effectively improved.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (24)
1. A method of remote control of vehicle unlocking, comprising:
receiving a first signal sent by a vehicle, wherein the first signal carries first data of an encryption and unlocking request;
receiving a second signal sent by the vehicle, wherein the second signal carries second data of the encryption and unlocking request;
acquiring an encryption and unlocking request according to first data and second data of the encryption and unlocking request;
decrypting the encryption and unlocking request according to a preset first encryption and decryption protocol to obtain an unlocking request;
and when the unlocking request is judged to be the unlocking request sent by the matched control device, sending a third signal to the vehicle, wherein the third signal carries first data of an encryption unlocking instruction, and sending a fourth signal to the vehicle, and the fourth signal carries second data of the encryption unlocking instruction.
2. The remote control method of claim 1, wherein the first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
3. The remote control method of claim 1, further comprising, prior to receiving the first signal transmitted by the vehicle: intermittently listening for the first signal;
before receiving the second signal sent by the vehicle, the method further comprises the following steps: intermittently listening for the second signal.
4. The remote control method of claim 1, wherein a charging coil is used as an antenna to receive and transmit signals;
before at least one of the step of receiving the first signal sent by the vehicle or the step of receiving the second signal sent by the vehicle, the charging coil receives the charging signal sent by the vehicle to obtain the preset electric quantity.
5. A smart key, comprising: first wireless module, second wireless module and controller, wherein:
the first wireless module is suitable for receiving a first signal sent by a vehicle, and the first signal carries first data of an encryption unlocking request;
the second wireless module is suitable for receiving a second signal sent by the vehicle, and the second signal carries second data of the encryption and unlocking request;
the controller is suitable for obtaining the encryption and unlocking request according to the first data and the second data of the encryption and unlocking request; the method comprises the steps that the encryption and unlocking request is decrypted according to a preset first encryption and decryption protocol to obtain an unlocking request; and when the unlocking request is judged to be the unlocking request sent by the matched mainboard, sending a third signal to the vehicle through the first wireless module, wherein the third signal carries the first data of the encryption unlocking instruction, and sending a fourth signal to the vehicle through the second wireless module, and the fourth signal carries the second data of the encryption unlocking instruction.
6. The fob of claim 5, wherein the first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
7. The fob of claim 5, wherein the first wireless module intermittently listens for the first signal; the second wireless module listens intermittently for the second signal.
8. The smart key of claim 5, further comprising: the charging coil is suitable for receiving a charging signal to obtain preset electric quantity; the smart key receives and sends signals by taking the charging coil as an antenna.
9. A control method of vehicle unlocking, characterized by comprising:
receiving a third signal sent by the intelligent key, wherein the third signal carries first data of an encryption unlocking instruction;
receiving a fourth signal sent by the intelligent key, wherein the fourth signal carries second data of the encryption and unlocking instruction;
acquiring an encryption and unlocking instruction according to first data and second data of the encryption and unlocking instruction;
decrypting the encrypted unlocking instruction according to a preset second encryption and decryption protocol to obtain an unlocking instruction;
and unlocking the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
10. The control method according to claim 9, further comprising:
before receiving the third signal, sending a first signal to the smart key, wherein the first signal carries first data of an encryption unlocking request;
and sending a second signal to the intelligent key before receiving the fourth signal, wherein the second signal carries second data of the encryption and unlocking request.
11. The control method of claim 10, wherein the first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
12. The control method according to claim 10, further comprising: and after the turning of the vehicle head is detected, executing at least one of the step of sending the first signal and the step of sending the second signal.
13. The control method according to claim 10, further comprising: and obtaining the relative position between the intelligent key and the vehicle according to the third signal and the fourth signal.
14. The control method according to claim 13, wherein the step of obtaining the relative position between the smart key and the vehicle includes: obtaining a relative position between the smart key and a vehicle according to the signal strength of the third signal and the fourth signal;
alternatively, the step of obtaining the relative position between the smart key and the vehicle comprises: and obtaining the relative position between the intelligent key and the vehicle according to the time difference between the sending of the first signal and the receiving of the third signal and the time difference between the sending of the second signal and the receiving of the fourth signal.
15. The control method according to claim 10, wherein the signal is received and transmitted with a power transmission coil as an antenna;
before at least one of the step of transmitting the first signal and the step of transmitting the second signal, the method further includes: and sending a charging signal to the intelligent key through the power transmission coil.
16. The control method of claim 15, wherein before transmitting the charging signal, further comprising:
collecting biological identification information;
transmitting the charging signal after determining that the biometric information is authenticated biometric information.
17. A control device for unlocking a vehicle, comprising: the system comprises a first wireless module, a second wireless module and a control mainboard;
the first wireless module is suitable for receiving a third signal sent by the intelligent key, and the third signal carries first data of an encryption unlocking instruction;
the second wireless module is suitable for receiving a fourth signal sent by the intelligent key, and the fourth signal carries second data of the encryption unlocking instruction;
the control main board is suitable for obtaining the encryption and unlocking instruction according to the first data and the second data of the encryption and unlocking instruction; the encryption and unlocking instruction is decrypted according to a preset second encryption and decryption protocol to obtain an unlocking instruction; and the vehicle unlocking method is also suitable for unlocking the vehicle when the unlocking instruction is judged to be the unlocking instruction sent by the matched intelligent key.
18. The control device of claim 17, wherein the first wireless module is further adapted to send a first signal to the fob, the first signal carrying first data of the encrypted unlock request; the second wireless module is further adapted to send a second signal to the smart key, the second signal carrying second data of the encrypted unlock request.
19. The control device of claim 18, wherein said first signal is a low frequency signal; the third signal is a high frequency signal; the second signal and the fourth signal are ultrahigh frequency signals.
20. The control apparatus of claim 18, further comprising: the rotation detection module is suitable for detecting the state of the vehicle head;
when the rotation detection module detects that the vehicle head rotates, the first wireless module sends the first signal or the second wireless module sends the second signal;
or when the rotation detection module detects that the vehicle head rotates, the first wireless module sends the first signal, and meanwhile, the second wireless module sends the second module.
21. The control apparatus of claim 18, further comprising: and the positioning module is suitable for obtaining the relative position between the intelligent key and the vehicle according to the third signal and the fourth signal.
22. The control apparatus of claim 21, wherein the positioning module obtains the relative position between the fob and the vehicle based on the signal strength of the third signal and the fourth signal;
or the positioning module obtains the relative position between the intelligent key and the vehicle according to the time difference between the sending of the first signal and the receiving of the third signal and the time difference between the sending of the second signal and the receiving of the third signal.
23. The control apparatus of claim 21, further comprising: the control main board sends a charging signal to the intelligent key through the charging coil; the control device receives and transmits signals by taking the power transmission coil as an antenna.
24. The control apparatus of claim 21, further comprising: the biological identification module is suitable for acquiring biological identification information; and after the biological identification information is judged to be authenticated, the control main board sends the charging signal.
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