CN110677836B - Electric vehicle wireless control method and device, electric vehicle and storage medium - Google Patents
Electric vehicle wireless control method and device, electric vehicle and storage medium Download PDFInfo
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- CN110677836B CN110677836B CN201910880185.2A CN201910880185A CN110677836B CN 110677836 B CN110677836 B CN 110677836B CN 201910880185 A CN201910880185 A CN 201910880185A CN 110677836 B CN110677836 B CN 110677836B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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Abstract
The invention discloses a wireless control method and device for an electric vehicle, the electric vehicle and a storage medium, wherein a target electric vehicle searches for a broadcast signal within a preset range; when a broadcast signal is searched, identifying the broadcast signal to generate an identification result; when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle; when the automobile body state is the preset state, control operation is carried out according to the preset low-frequency PKE broadcast signal, the battery endurance of the wireless key of the electric vehicle can be improved, the battery does not need to be frequently replaced, the electric vehicle can be started in a PKE induction mode, and the electric vehicle can form compatible intercommunication with the mobile terminal, corresponding control functions can be achieved through the mobile phone, the convenience of electric vehicle control is improved, and user experience is improved.
Description
Technical Field
The invention relates to the field of intelligent transportation, in particular to a wireless control method and device for an electric vehicle, the electric vehicle and a storage medium.
Background
We put forward higher requirement to the environment at present, advocate green's trip mode, the electric motor car just becomes the first-selected of people's daily car of riding instead of walk, the people all possess electric motor car quantity and constantly increase, the electric motor car is also more intelligent, operate the electric motor car for more convenient, generally can be through setting up wireless key to carry out remote control to the electric motor car, but the transmission consumption of current 433MHz wireless module key is great, the battery duration of the key is relatively poor, need often to change the battery and can not form the effect of compatible intercommunication with mobile terminal, can't carry out the operation of electric motor car after the key is lost.
Disclosure of Invention
The invention mainly aims to provide a wireless control method and device for an electric vehicle, the electric vehicle and a storage medium, and aims to solve the technical problems that in the prior art, the battery endurance of a key is poor, the battery needs to be replaced frequently, and the compatibility and the intercommunication with a mobile terminal cannot be formed.
In order to achieve the above object, the present invention provides a wireless control method for an electric vehicle, comprising the steps of:
searching a broadcasting signal in a preset range by the target electric vehicle;
when a broadcast signal is searched, identifying the broadcast signal to generate an identification result;
when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle;
and when the vehicle body state is a preset state, performing control operation according to the preset low-frequency PKE broadcast signal.
Preferably, the searching for the broadcast signal within the preset range by the target electric vehicle specifically includes:
continuously searching a broadcast signal sent by a PKE key in a preset range according to Bluetooth equipment of a target electric vehicle;
or the like, or, alternatively,
and periodically searching broadcast signals transmitted by a PKE key in a preset range according to the Bluetooth equipment of the target electric vehicle.
Preferably, the detecting the body state of the target electric vehicle when the identification result is a preset low frequency PKE broadcast signal specifically includes:
when the identification result is that the broadcast signal is a preset low-frequency PKE broadcast signal, detecting whether the target electric vehicle has a vehicle body induction action in a preset time period;
and when the target electric vehicle has a vehicle body induction action in the preset time period, generating a vehicle body state according to the vehicle body induction action.
Preferably, when there is a vehicle body sensing action in the target electric vehicle within the preset time period, generating a vehicle body state according to the vehicle body sensing action, specifically including:
when the target electric vehicle has the vehicle body sensing action within the preset time period, acquiring an action amplitude value corresponding to the vehicle body sensing action, and acquiring a target action category corresponding to the vehicle body sensing action according to a preset sensing action database;
acquiring a preset action amplitude threshold corresponding to the target action category;
comparing the action amplitude value with the preset action amplitude threshold value and generating a comparison result;
when the comparison result is that the motion amplitude value is smaller than the preset motion amplitude threshold value, determining that the vehicle body state is a static state;
and when the comparison result is that the action amplitude value is larger than or equal to the preset action amplitude threshold value, determining that the vehicle body state is a to-be-operated state.
Preferably, when the vehicle body state is a preset state, performing a control operation according to the preset low-frequency PKE broadcast signal specifically includes:
and when the vehicle body state is a to-be-run state, decrypting the preset low-frequency PKE broadcast signal, and executing control operation corresponding to the preset low-frequency PKE broadcast signal according to a decryption result.
Preferably, after the broadcast signal is identified when being searched for to generate an identification result, the electric vehicle wireless control method further includes:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result;
and executing control operation corresponding to the preset high-frequency PKE broadcast signal according to the analysis result.
Preferably, when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result, specifically including:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, acquiring a preset local private key in Bluetooth equipment of the target electric vehicle;
and analyzing the encrypted key information corresponding to the preset high-frequency PKE broadcast signal according to the preset local private key, and generating an analysis result, wherein the PKE key is bound with the Bluetooth equipment of the target electric vehicle.
In addition, to achieve the above object, the present invention also provides an electric vehicle including: the electric vehicle wireless control method comprises the steps of an electric vehicle body, a memory, a processor and an electric vehicle wireless control program stored on the memory and operable on the processor, wherein the electric vehicle wireless control program is configured to realize the steps of the electric vehicle wireless control method.
In addition, to achieve the above object, the present invention further provides a storage medium having an electric vehicle wireless control program stored thereon, which when executed by a processor implements the steps of the electric vehicle wireless control method as described above.
In addition, to achieve the above object, the present invention also provides an electric vehicle wireless control apparatus, including:
the signal searching module is used for searching the broadcasting signals in the preset range by the target electric vehicle;
the identification module is used for identifying the broadcast signals when the broadcast signals are searched to generate identification results;
the detection module is used for detecting the body state of the target electric vehicle when the identification result is a preset low-frequency PKE broadcast signal;
and the control module is used for carrying out control operation according to the preset low-frequency PKE broadcast signal when the vehicle body state is a preset state.
The invention provides a wireless control method of an electric vehicle, which searches broadcast signals in a preset range through a target electric vehicle; when a broadcast signal is searched, identifying the broadcast signal to generate an identification result; when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle; when the automobile body state is the preset state, control operation is carried out according to the preset low-frequency PKE broadcast signal, the battery endurance of the wireless key of the electric vehicle can be improved, the battery does not need to be frequently replaced, the electric vehicle can be started in a PKE induction mode, and the electric vehicle can form compatible intercommunication with the mobile terminal, corresponding control functions can be achieved through the mobile phone, the convenience of electric vehicle control is improved, and user experience is improved.
Drawings
FIG. 1 is a schematic structural diagram of an electric vehicle in a hardware operating environment according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a wireless control method for an electric vehicle according to a first embodiment of the present invention;
FIG. 3 is a flowchart illustrating a wireless control method for an electric vehicle according to a second embodiment of the present invention;
FIG. 4 is a flowchart illustrating a wireless control method for an electric vehicle according to a third embodiment of the present invention;
fig. 5 is a functional block diagram of a wireless control device of an electric vehicle according to a first embodiment of the present invention.
The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The solution of the embodiment of the invention is mainly as follows: the method comprises the steps of searching broadcast signals in a preset range through a target electric vehicle; when a broadcast signal is searched, identifying the broadcast signal to generate an identification result; when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle; when the automobile body state is the preset state, control operation is carried out according to the preset low-frequency PKE broadcast signal, the battery endurance of the wireless key of the electric vehicle can be improved, the battery does not need to be frequently replaced, the electric vehicle can be started in a PKE induction mode, the mobile terminal and the battery can form compatible intercommunication, corresponding control functions can be achieved through a mobile phone, the convenience of electric vehicle control is improved, user experience is improved, the technical problems that the battery endurance of the key in the prior art is poor, the battery needs to be frequently replaced, and the mobile terminal and the battery cannot form compatible intercommunication are solved.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an electric vehicle in a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the electric vehicle may include: the electric vehicle body, the processor 1001, such as a Central Processing Unit (CPU), the communication bus 1002, the user interface 1003, the network interface 1004, and the memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a Wireless interface (e.g., a Wireless-Fidelity (Wi-Fi) interface). The Memory 1005 may be a Random Access Memory (RAM) Memory or a Non-volatile Memory (NVM), such as a disk Memory. The memory 1005 may alternatively be a storage device separate from the processor 1001; the processor 1001, the communication bus 1002, the user interface 1003, the network interface 1004, and the memory 1005 may be disposed inside the electric vehicle body or disposed outside the electric vehicle body, which is not limited in this embodiment.
Those skilled in the art will appreciate that the electric vehicle configuration shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005 as a storage medium may include an operating system, a network communication module, a user side interface module, and an electric vehicle wireless control program.
The electric vehicle of the present invention calls the electric vehicle wireless control program stored in the memory 1005 through the processor 1001, and performs the following operations:
searching broadcast signals within a preset range;
when a broadcast signal is searched, identifying the broadcast signal to generate an identification result;
when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle;
and when the vehicle body state is a preset state, performing control operation according to the preset low-frequency PKE broadcast signal.
Further, the processor 1001 may call the electric vehicle wireless control program stored in the memory 1005, and further perform the following operations:
continuously searching a broadcast signal sent by a PKE key in a preset range according to Bluetooth equipment of a target electric vehicle;
or the like, or, alternatively,
and periodically searching broadcast signals sent by a PKE key in a preset range according to the Bluetooth equipment of the target electric vehicle.
Further, the processor 1001 may call the electric vehicle wireless control program stored in the memory 1005, and further perform the following operations:
when the identification result is that the broadcast signal is a preset low-frequency PKE broadcast signal, detecting whether a vehicle body induction action exists in the target electric vehicle within a preset time period;
and when the target electric vehicle has a vehicle body induction action in the preset time period, generating a vehicle body state according to the vehicle body induction action.
Further, the processor 1001 may call the electric vehicle wireless control program stored in the memory 1005, and further perform the following operations:
when the target electric vehicle has the vehicle body sensing action within the preset time period, acquiring an action amplitude value corresponding to the vehicle body sensing action, and acquiring a target action category corresponding to the vehicle body sensing action according to a preset sensing action database;
acquiring a preset action amplitude threshold corresponding to the target action category;
comparing the action amplitude value with the preset action amplitude threshold value, and generating a comparison result;
when the comparison result is that the motion amplitude value is smaller than the preset motion amplitude threshold value, determining that the vehicle body state is a static state;
and when the comparison result is that the action amplitude value is larger than or equal to the preset action amplitude threshold value, determining that the vehicle body state is a to-be-operated state.
Further, the processor 1001 may call the electric vehicle wireless control program stored in the memory 1005, and further perform the following operations:
and when the vehicle body state is a to-be-run state, decrypting the preset low-frequency PKE broadcast signal, and executing control operation corresponding to the preset low-frequency PKE broadcast signal according to a decryption result.
Further, the processor 1001 may call the electric vehicle wireless control program stored in the memory 1005, and further perform the following operations:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result;
and executing control operation corresponding to the preset high-frequency PKE broadcast signal according to the analysis result.
Further, the processor 1001 may call the electric vehicle wireless control program stored in the memory 1005, and also perform the following operations:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, acquiring a preset local private key in the Bluetooth equipment of the target electric vehicle;
and analyzing the encrypted key information corresponding to the preset high-frequency PKE broadcast signal according to the preset local private key, and generating an analysis result, wherein the PKE key is bound with the Bluetooth equipment of the target electric vehicle.
According to the scheme, the target electric vehicle searches for the broadcast signals in the preset range; when a broadcast signal is searched, identifying the broadcast signal to generate an identification result; when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle; when the automobile body state is the preset state, control operation is carried out according to the preset low-frequency PKE broadcast signal, the battery endurance of the wireless key of the electric vehicle can be improved, the battery does not need to be frequently replaced, the electric vehicle can be started in a PKE induction mode, and the electric vehicle can form compatible intercommunication with the mobile terminal, corresponding control functions can be achieved through the mobile phone, the convenience of electric vehicle control is improved, and user experience is improved.
Based on the hardware structure, the embodiment of the wireless control method for the electric vehicle is provided.
Referring to fig. 2, fig. 2 is a flowchart illustrating a first embodiment of a wireless control method for an electric vehicle according to the present invention.
In a first embodiment, the wireless control method for the electric vehicle comprises the following steps:
and S10, searching the broadcast signals in the preset range by the target electric vehicle.
It should be noted that the preset range is a preset broadcast signal search range, and the broadcast signal is a Public-Key Cryptography (PKE) broadcast signal broadcast by a PKE Key.
Further, the step S10 specifically includes the following steps:
continuously searching a broadcast signal sent by a PKE key in a preset range according to Bluetooth equipment of a target electric vehicle;
or the like, or, alternatively,
and periodically searching broadcast signals sent by a PKE key in a preset range according to the Bluetooth equipment of the target electric vehicle.
It can be understood that the unique identification code of the PKE key is bound in the bluetooth device of the target electric vehicle, and the bluetooth device of the target electric vehicle may continuously search for or periodically preset a broadcast signal sent by the PKE key within a range, and the bluetooth device may be disposed inside the target electric vehicle or may be disposed outside the target electric vehicle, which is not limited in this embodiment; the induction starting function of the PKE key can be realized through the low power consumption characteristic of the Bluetooth equipment of the target electric vehicle, the wireless control of the target electric vehicle is realized, and due to the general characteristic of the Bluetooth equipment, the Bluetooth control can be carried out through a compatible mobile phone after the key is lost, so that the convenience of use of the electric vehicle is ensured.
And S20, when the broadcast signal is searched, identifying the broadcast signal to generate an identification result.
It should be understood that different broadcast signals correspond to different operation instruction data, and by identifying the broadcast signals, corresponding identification results can be generated.
And S30, detecting the body state of the target electric vehicle when the identification result is a preset low-frequency PKE broadcast signal.
It can be understood that the identification result may be that the broadcast signal is a preset low-frequency PKE broadcast signal, or the broadcast signal is a preset high-frequency PKE broadcast signal, in an actual operation, when the PKE key is operated without a key, the broadcast is in a sleep broadcast, that is, the broadcast is the preset low-frequency PKE broadcast signal encrypted by a time sequence, and generally may be close to 0db, and when the PKE key is operated with a key, the broadcast information is changed by key wake-up, and the broadcast information is encrypted to generate a preset high-frequency PKE broadcast, that is, a frequency relatively higher than the frequency of the preset low-frequency PKE broadcast signal, so that different operations may be performed on the electric vehicle according to different broadcast signals, and when the identification result is the preset low-frequency PKE broadcast signal, a detection instruction may be generated to detect a vehicle body state of the target electric vehicle, where the vehicle body state is a current vehicle body reflection state of the target electric vehicle.
And S40, when the vehicle body state is a preset state, performing control operation according to the preset low-frequency PKE broadcast signal.
It should be understood that the preset state is a preset vehicle body state, and is used for confirming whether the electric vehicle to be controlled and the electric vehicle to be controlled by the preset low-frequency PKE broadcast signal are the same vehicle through the motion of the vehicle body, and the preset state may be a specific vehicle body key starting state, a rear wheel rotating state, a vibration state of the vehicle body, or the like, which is not limited in this embodiment; whether the related electric vehicle is the target electric vehicle can be determined through whether the vehicle body state is the preset state, when the vehicle body state is the preset state, the fact that the electric vehicle is the target electric vehicle and the electric vehicle is the electric vehicle which is required to be controlled by the preset low-frequency PKE broadcast signal is shown, at the moment, control operation can be conducted according to the preset low-frequency PKE broadcast signal, accuracy of wireless control of the electric vehicle can be improved, high power consumption of the PKE key relative to a 433MHz wireless module key can be improved, battery endurance of the electric vehicle wireless key can be improved, frequent battery replacement is not needed, and PKE induction starting of the electric vehicle can be achieved.
According to the scheme, the target electric vehicle searches for the broadcast signals within the preset range; when a broadcast signal is searched, identifying the broadcast signal to generate an identification result; when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle; when the automobile body state is the preset state, control operation is carried out according to the preset low-frequency PKE broadcast signal, the battery endurance of the wireless key of the electric vehicle can be improved, the battery does not need to be frequently replaced, the electric vehicle can be started in a PKE induction mode, and the electric vehicle can form compatible intercommunication with the mobile terminal, corresponding control functions can be achieved through the mobile phone, the convenience of electric vehicle control is improved, and user experience is improved.
Further, fig. 3 is a schematic flowchart of a second embodiment of the wireless control method for an electric vehicle according to the present invention, and as shown in fig. 3, the second embodiment of the wireless control method for an electric vehicle according to the present invention is provided based on the first embodiment, in this embodiment, the step S30 specifically includes the following steps:
and S31, detecting whether the target electric vehicle has a vehicle body induction action in a preset time period or not when the identification result is that the broadcast signal is a preset low-frequency PKE broadcast signal.
It should be noted that the preset time period is a period of time after a preset low-frequency PKE broadcast signal is received, and the preset time period may be a time period of time set by itself, and when the identification result is the preset low-frequency PKE broadcast signal, it is detected whether the target electric vehicle has a corresponding vehicle body induction action within a certain time, and if so, it is further determined whether the electric vehicle is a vehicle that the preset low-frequency PKE broadcast signal intends to operate.
And S32, generating a vehicle body state according to the vehicle body sensing action when the target electric vehicle has the vehicle body sensing action in the preset time period.
It should be understood that if the target electric vehicle is detected to have a corresponding body sensing action, the body state can be determined according to the corresponding body sensing action.
Further, the step S32 specifically includes the following steps:
when the target electric vehicle has a vehicle body induction action in the preset time period, acquiring an action amplitude value corresponding to the vehicle body induction action, and acquiring a target action category corresponding to the vehicle body induction action according to a preset induction action database;
acquiring a preset action amplitude threshold corresponding to the target action category;
comparing the action amplitude value with the preset action amplitude threshold value, and generating a comparison result;
when the comparison result is that the motion amplitude value is smaller than the preset motion amplitude threshold value, determining that the vehicle body state is a static state;
and when the comparison result is that the action amplitude value is larger than or equal to the preset action amplitude threshold value, judging that the vehicle body state is a to-be-run state.
It should be noted that when the target electric vehicle has a vehicle body sensing motion within the preset time period, a motion amplitude value corresponding to the vehicle body sensing motion may be obtained, and operations with different forces at different vehicle body parts may correspond to different motion amplitude values, for example, the rotation force and the rotation angle of the handle bar of the electric vehicle may correspond to different motion amplitude values; for another example, when the rear wheel of the electric vehicle is not started, the rear wheel is generally in a suspended state, at the moment, a user rotates the rear wheel through external force, and the number of rotation turns and the time of the rear wheel correspond to different motion amplitude values; for example, the magnitude of the vibration generated by flapping the body of the electric vehicle corresponds to different motion amplitude values, and of course, other body sensing motions may correspond to different motion amplitude values, which is not limited in this embodiment.
It can be understood that the preset induction action database is a preset database for storing various induction actions, action categories corresponding to the induction actions and preset action amplitude thresholds corresponding to the action categories, a target action category corresponding to the vehicle body induction action can be obtained by searching the preset induction database, a corresponding preset action amplitude threshold is further determined, the action amplitude value is compared with the preset action amplitude threshold, a comparison result can be generated, different vehicle body states are further determined according to different comparison results, and when the action amplitude value is smaller than the preset action amplitude threshold, the vehicle body state is determined to be a static state; when the vehicle body state is a static state, it indicates that the action amplitude of the target electric vehicle is small at this time, and may be an action caused by an external environmental factor, such as wind or an accidental collision, at this time, corresponding subsequent operation is not generally performed, and when the comparison result is that the action amplitude value is greater than or equal to the preset action amplitude threshold value, it is determined that the vehicle body state is a to-be-operated state.
Correspondingly, the step S40 specifically includes the following steps:
and when the vehicle body state is a to-be-run state, decrypting the preset low-frequency PKE broadcast signal, and executing control operation corresponding to the preset low-frequency PKE broadcast signal according to a decryption result.
In specific implementation, when the vehicle body state is a to-be-operated state, it is determined that the target electric vehicle is an electric vehicle which needs to be controlled by a preset low-frequency PKE broadcast signal, the preset low-frequency PKE broadcast signal can be decrypted, a corresponding control instruction can be generated according to a decryption result, and then corresponding operation is executed on the target electric vehicle according to the control instruction.
According to the scheme, whether the target electric vehicle has a vehicle body induction action in a preset time period is detected when the identification result is that the broadcast signal is a preset low-frequency PKE broadcast signal; when the target electric vehicle has the vehicle body sensing action within the preset time period, the vehicle body state is generated according to the vehicle body sensing action, different electric vehicle control strategies can be determined according to the vehicle body state, the accuracy and flexibility of electric vehicle wireless control through a preset low-frequency PKE broadcast signal are improved, and the user experience is improved.
Further, fig. 4 is a flowchart illustrating a third embodiment of the wireless control method for an electric vehicle according to the present invention, and as shown in fig. 4, the third embodiment of the wireless control method for an electric vehicle according to the present invention is provided based on the second embodiment, in this embodiment, after step S20, the wireless control method for an electric vehicle further includes the following steps:
and S21, when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result.
It should be noted that, the preset high-frequency PKE broadcast signal and the preset low-frequency PKE broadcast signal generally encrypt information to be broadcast when being generated, and the encryption mode may be time-sequence encryption or other encryption modes, which is not limited in this embodiment; when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, the PKE key is indicated to have key operation, at this time, a corresponding analysis result can be generated by analyzing the preset high-frequency PKE broadcast signal, namely, information obtained by decrypting the preset high-frequency PKE broadcast signal, and the analysis result includes key instruction information of the key operation performed by the PKE key.
Further, the step S21 specifically includes the following steps:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, acquiring a preset local private key in the Bluetooth equipment of the target electric vehicle;
and analyzing the encrypted key information corresponding to the preset high-frequency PKE broadcast signal according to the preset local private key, and generating an analysis result, wherein the PKE key is bound with the Bluetooth equipment of the target electric vehicle.
It should be understood that the preset local private key is a private key preset in the bluetooth device of the target electric vehicle, and is an encrypted public key used for decrypting an encrypted key information sent by a PKE key in a preset high-frequency PKE broadcast signal, and a corresponding key control instruction can be obtained by analyzing the preset high-frequency PKE broadcast signal, so that the target electric vehicle can be correspondingly controlled according to the key control instruction.
And S22, executing control operation corresponding to the preset high-frequency PKE broadcast signal according to the analysis result.
It can be understood that the key information of the decrypted PKE key can be obtained through the analysis result, different key information corresponds to different control instructions, and the corresponding control operation can be executed on the target electric vehicle through the control instruction in the analysis result.
According to the scheme, when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, the preset high-frequency PKE broadcast signal is analyzed, and an analysis result is generated; and executing the control operation corresponding to the preset high-frequency PKE broadcast signal according to the analysis result, and quickly responding to the control instruction to control the target electric vehicle when the target electric vehicle receives the related key control instruction in the preset high-frequency PKE broadcast signal, so that the response speed of the target electric vehicle is increased, the control convenience of the electric vehicle is improved, and the user experience is improved.
Based on the embodiment of the electric vehicle wireless control method, the invention further provides an electric vehicle wireless control device.
Referring to fig. 5, fig. 5 is a functional block diagram of a wireless control device of an electric vehicle according to a first embodiment of the present invention.
In a first embodiment of the wireless control device for an electric vehicle according to the present invention, the wireless control device for an electric vehicle comprises:
and the signal searching module 10 is used for searching the broadcasting signals in the preset range by the target electric vehicle.
It should be noted that the preset range is a preset broadcast signal search range, and the broadcast signal is a PKE broadcast signal broadcast by a Public-Key encryption (PKE) Key.
The identification module 20 is configured to identify the broadcast signal when the broadcast signal is searched, so as to generate an identification result.
It should be understood that different broadcast signals correspond to different operation instruction data, and by identifying the broadcast signals, corresponding identification results can be generated.
And the detection module 30 is configured to detect the vehicle body state of the target electric vehicle when the identification result is a preset low-frequency PKE broadcast signal.
It can be understood that the identification result may be that the broadcast signal is a preset low-frequency PKE broadcast signal, or the broadcast signal is a preset high-frequency PKE broadcast signal, in an actual operation, when the PKE key is operated without a key, the broadcast is in a sleep broadcast, that is, the broadcast is the preset low-frequency PKE broadcast signal encrypted by a time sequence, and generally may be close to 0db, and when the PKE key is operated with a key, the broadcast information is changed by key wake-up, and the broadcast information is encrypted to generate a preset high-frequency PKE broadcast, that is, a frequency relatively higher than the frequency of the preset low-frequency PKE broadcast signal, so that different operations may be performed on the electric vehicle according to different broadcast signals, and when the identification result is the preset low-frequency PKE broadcast signal, a detection instruction may be generated to detect a vehicle body state of the target electric vehicle, where the vehicle body state is a current vehicle body reflection state of the target electric vehicle.
And the control module 40 is used for performing control operation according to the preset low-frequency PKE broadcast signal when the vehicle body state is a preset state.
It should be understood that the preset state is a preset vehicle body state, and is used for confirming whether the electric vehicle to be controlled and the electric vehicle to be controlled by the preset low-frequency PKE broadcast signal are the same vehicle through the motion of the vehicle body, and the preset state may be a specific vehicle body key starting state, a rear wheel rotating state, a vehicle body vibration state, or the like, which is not limited in this embodiment; whether the related electric vehicle is the target electric vehicle can be determined through whether the vehicle body state is the preset state, when the vehicle body state is the preset state, the fact that the electric vehicle is the target electric vehicle and the electric vehicle is the electric vehicle which is required to be controlled by the preset low-frequency PKE broadcast signal is shown, at the moment, control operation can be conducted according to the preset low-frequency PKE broadcast signal, accuracy of wireless control of the electric vehicle can be improved, high power consumption of the PKE key relative to a 433MHz wireless module key can be improved, battery endurance of the electric vehicle wireless key can be improved, frequent battery replacement is not needed, and PKE induction starting of the electric vehicle can be achieved.
The steps implemented by each functional module of the electric vehicle wireless control device can refer to each embodiment of the electric vehicle wireless control method of the present invention, and are not described herein again.
In addition, an embodiment of the present invention further provides a storage medium, where the storage medium stores an electric vehicle wireless control program, and the electric vehicle wireless control program, when executed by a processor, implements the following operations:
searching broadcast signals within a preset range;
when a broadcast signal is searched, identifying the broadcast signal to generate an identification result;
when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle;
and when the vehicle body state is a preset state, performing control operation according to the preset low-frequency PKE broadcast signal.
Further, the electric vehicle wireless control program when executed by the processor further implements the following operations:
continuously searching a broadcast signal sent by a PKE key in a preset range according to Bluetooth equipment of a target electric vehicle;
or the like, or, alternatively,
and periodically searching broadcast signals sent by a PKE key in a preset range according to the Bluetooth equipment of the target electric vehicle.
Further, the electric vehicle wireless control program when executed by the processor further implements the following operations:
when the identification result is that the broadcast signal is a preset low-frequency PKE broadcast signal, detecting whether a vehicle body induction action exists in the target electric vehicle within a preset time period;
and when the target electric vehicle has a vehicle body induction action in the preset time period, generating a vehicle body state according to the vehicle body induction action.
Further, the electric vehicle wireless control program when executed by the processor further implements the following operations:
when the target electric vehicle has the vehicle body sensing action within the preset time period, acquiring an action amplitude value corresponding to the vehicle body sensing action, and acquiring a target action category corresponding to the vehicle body sensing action according to a preset sensing action database;
acquiring a preset action amplitude threshold corresponding to the target action category;
comparing the action amplitude value with the preset action amplitude threshold value, and generating a comparison result;
when the comparison result is that the motion amplitude value is smaller than the preset motion amplitude threshold value, determining that the vehicle body state is a static state;
and when the comparison result is that the action amplitude value is larger than or equal to the preset action amplitude threshold value, determining that the vehicle body state is a to-be-operated state.
Further, the electric vehicle wireless control program when executed by the processor further implements the following operations:
and when the vehicle body state is a to-be-run state, decrypting the preset low-frequency PKE broadcast signal, and executing control operation corresponding to the preset low-frequency PKE broadcast signal according to a decryption result.
Further, the electric vehicle wireless control program when executed by the processor further realizes the following operations:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result;
and executing the control operation corresponding to the preset high-frequency PKE broadcast signal according to the analysis result.
Further, the electric vehicle wireless control program when executed by the processor further implements the following operations:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, acquiring a preset local private key in the Bluetooth equipment of the target electric vehicle;
and analyzing the encrypted key information corresponding to the preset high-frequency PKE broadcast signal according to the preset local private key, and generating an analysis result, wherein the PKE key is bound with the Bluetooth equipment of the target electric vehicle.
According to the scheme, the target electric vehicle searches for the broadcast signals within the preset range; when a broadcast signal is searched, identifying the broadcast signal to generate an identification result; when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle; when the vehicle body state is a preset state, control operation is carried out according to the preset low-frequency PKE broadcast signal, the battery endurance of the wireless key of the electric vehicle can be improved, the battery does not need to be frequently replaced, the electric vehicle can be started in a PKE induction mode, the electric vehicle can form compatible intercommunication with a mobile terminal, a corresponding control function can be achieved through a mobile phone, the convenience of electric vehicle control is improved, and user experience is improved.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.
Claims (9)
1. An electric vehicle wireless control method is characterized by comprising the following steps:
searching a broadcasting signal in a preset range by the target electric vehicle;
when a broadcast signal is searched, identifying the broadcast signal to generate an identification result;
when the identification result is a preset low-frequency PKE broadcast signal, detecting the body state of the target electric vehicle;
when the vehicle body state is a preset state, performing control operation according to the preset low-frequency PKE broadcast signal;
when the vehicle body state is a preset state, the step of performing control operation according to the preset low-frequency PKE broadcast signal comprises the following steps:
and when the vehicle body state is a to-be-run state, decrypting the preset low-frequency PKE broadcast signal, and executing control operation corresponding to the preset low-frequency PKE broadcast signal according to a decryption result.
2. The wireless control method for the electric vehicle according to claim 1, wherein the searching for the broadcasting signal in the preset range by the target electric vehicle specifically comprises:
continuously searching a broadcast signal sent by a PKE key in a preset range according to Bluetooth equipment of a target electric vehicle;
or the like, or, alternatively,
and periodically searching broadcast signals sent by a PKE key in a preset range according to the Bluetooth equipment of the target electric vehicle.
3. The wireless control method for the electric vehicle according to claim 2, wherein the detecting the body state of the target electric vehicle when the identification result is a preset low-frequency PKE broadcast signal specifically comprises:
when the identification result is that the broadcast signal is a preset low-frequency PKE broadcast signal, detecting whether the target electric vehicle has a vehicle body induction action in a preset time period;
and when the target electric vehicle has a vehicle body induction action in the preset time period, generating a vehicle body state according to the vehicle body induction action.
4. The wireless control method for the electric vehicle according to claim 3, wherein when the target electric vehicle has a vehicle body sensing action in the preset time period, a vehicle body state is generated according to the vehicle body sensing action, and specifically comprises:
when the target electric vehicle has the vehicle body sensing action within the preset time period, acquiring an action amplitude value corresponding to the vehicle body sensing action, and acquiring a target action category corresponding to the vehicle body sensing action according to a preset sensing action database;
acquiring a preset action amplitude threshold corresponding to the target action category;
comparing the action amplitude value with the preset action amplitude threshold value, and generating a comparison result;
when the comparison result is that the motion amplitude value is smaller than the preset motion amplitude threshold value, determining that the vehicle body state is a static state;
and when the comparison result is that the action amplitude value is larger than or equal to the preset action amplitude threshold value, judging that the vehicle body state is a to-be-run state.
5. The wireless control method for an electric vehicle according to any one of claims 1 to 4, wherein after the broadcast signal is identified to generate an identification result when the broadcast signal is searched, the wireless control method for an electric vehicle further comprises:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result;
and executing control operation corresponding to the preset high-frequency PKE broadcast signal according to the analysis result.
6. The wireless control method for the electric vehicle according to claim 5, wherein when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, analyzing the preset high-frequency PKE broadcast signal and generating an analysis result, specifically comprising:
when the identification result is that the broadcast signal is a preset high-frequency PKE broadcast signal, acquiring a preset local private key in the Bluetooth equipment of the target electric vehicle;
and analyzing the encrypted key information corresponding to the preset high-frequency PKE broadcast signal according to the preset local private key, and generating an analysis result, wherein the PKE key is bound with the Bluetooth equipment of the target electric vehicle.
7. An electric vehicle wireless control device, characterized in that the electric vehicle wireless control device comprises:
the signal searching module is used for searching the broadcasting signals in the preset range by the target electric vehicle;
the identification module is used for identifying the broadcast signals when the broadcast signals are searched so as to generate identification results;
the detection module is used for detecting the vehicle body state of the target electric vehicle when the identification result is a preset low-frequency PKE broadcast signal;
the control module is used for carrying out control operation according to the preset low-frequency PKE broadcast signal when the vehicle body state is a preset state;
wherein the control module is further configured to:
and when the vehicle body state is a to-be-run state, decrypting the preset low-frequency PKE broadcast signal, and executing control operation corresponding to the preset low-frequency PKE broadcast signal according to a decryption result.
8. An electric vehicle, characterized in that the electric vehicle comprises: an electric vehicle body, a memory, a processor and an electric vehicle wireless control program stored on the memory and executable on the processor, the electric vehicle wireless control program being configured to implement the steps of the electric vehicle wireless control method according to any one of claims 1 to 6.
9. A storage medium, characterized in that the storage medium has stored thereon a wireless control program for an electric vehicle, which when executed by a processor implements the steps of the wireless control method for an electric vehicle according to any one of claims 1 to 6.
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| US20140368313A1 (en) * | 2013-06-14 | 2014-12-18 | Texas Instruments Incorporated | Vehicle keyfob with accelerometer to extend battery life |
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| KR20160063089A (en) * | 2014-11-26 | 2016-06-03 | 주식회사 서연전자 | Vehicle System for connecting smart key and smart phone to Electronic Control Unit for vehicles |
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| CN108501867B (en) * | 2017-02-28 | 2020-03-31 | 比亚迪股份有限公司 | Vehicle key system, control method and vehicle |
| KR20190012857A (en) * | 2017-07-28 | 2019-02-11 | 엘지전자 주식회사 | Mobile terminal and method for controlling the same |
| CN108297827A (en) * | 2018-03-23 | 2018-07-20 | 深圳市维邦云计算技术发展有限公司 | A kind of circuit and method of judgement vehicle remote control device position |
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