CN115139981B - Vehicle unlocking and locking control method and system for capacitive door handle - Google Patents
Vehicle unlocking and locking control method and system for capacitive door handle Download PDFInfo
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- CN115139981B CN115139981B CN202210851212.5A CN202210851212A CN115139981B CN 115139981 B CN115139981 B CN 115139981B CN 202210851212 A CN202210851212 A CN 202210851212A CN 115139981 B CN115139981 B CN 115139981B
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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
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
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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
- B60R25/241—Means to switch the anti-theft system on or off using electronic identifiers containing a code not memorised by the user whereby access privileges are related to the identifiers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The application discloses a method and a system for controlling unlocking of a capacitive door handle vehicle, wherein the method comprises the following steps: after the vehicle is initialized, acquiring that the triggering condition meets the working condition; when the triggering condition of in-car key detection is met, controlling to execute key detection operation; when the key pre-authentication triggering condition is met, controlling to execute key pre-authentication operation; acquiring a key authentication state according to a key detection result; when the key re-authentication triggering condition is met, controlling to execute different key re-authentication operations according to the key pre-authentication state; when the key pre-authentication state or the key re-authentication state is effective and the unlocking triggering condition of the capacitor door handle is met, the unlocking state of the whole vehicle is obtained, and different unlocking operation strategies are controlled to be executed by the whole vehicle according to the unlocking state of the whole vehicle and the key authentication state. When the touch information of the capacitive door handle is detected, key pre-authentication operation is executed, the response time of subsequent unlocking is effectively shortened, and the experience of interactive response of the vehicle and the machine is improved.
Description
Technical Field
The application relates to the technical field of vehicle unlocking, in particular to a method and a system for controlling vehicle unlocking of a capacitive door handle.
Background
Along with the continuous development of science and technology, the requirements of car owners on automobiles are continuously increased, and meanwhile, the intelligent function field of automobiles is continuously increased. At present, in the automobile keyless entry control method, a PE key is adopted to complete the keyless entry function, but a key device is relatively easy to damage, a capacitive door handle can send a touched signal according to whether the capacitive door handle is touched by a person or not, the keyless entry function can be completed as well, and the capacitive door handle adopts a sensor to collect the touch signal and is not easy to damage. In order to avoid the problem of vehicle false unlocking/locking caused by false touching of the capacitive door handle, the capacitive door handle continuously detects tms touched, and then the vehicle owner is considered to have the unlocking requirement. Before the keyless entry unlocking, the key is detected, so that the unlocking action can be executed only when the owner carries the key. After the key is successfully detected, the PEPS controller sends out a door unlocking command. However, the capacitive door handle continuously detects tms to be touched to consider that the vehicle owner has the unlocking requirement, and then the key is detected, so that the response time of unlocking/locking the keyless entry vehicle door is definitely increased, and the response speed of unlocking/locking the keyless entry vehicle door is reduced. Thus, the capacitive door handle emits two signals, including a touched signal and an unblocking request signal. When the capacitive door handle detects a touched, a touched signal is immediately sent out, if the capacitive door handle is always touched, the capacitive door handle is always sent out, and key pre-authentication is immediately carried out when the PEPS controller detects the touched signal. When the capacitive door handle is continuously touched with tms, an unlocking request signal is sent out again, and after the PEPS controller receives the unlocking request signal, a key authentication result in pre-authentication is directly read, so that whether unlocking action is triggered or not is determined, and the response speed of keyless entry is increased. With the continuous development of science and technology, vehicle owners continuously increase the requirements on vehicle performance, wherein vehicle response time is one of the judgment standards of vehicle performance, and the capacitor door handle is not easy to damage. Therefore, it is important to design a control strategy that can quickly respond to a vehicle occupant's unblocking needs.
In the prior art, a PE key is adopted to realize keyless entry of a vehicle, and a key pre-authentication and key authentication result storage scheme is not involved in a control method. The locking process also does not involve a function of judging that a key is outside the vehicle to unlock again, is easy to cause a fault that the vehicle cannot unlock after locking, and does not involve a strategy of unlocking the capacitive door handle. PE button is relatively easy to damage, and electric capacity door handle only need touch the door handle, can realize keyless entry function, does not have the button device in the environment, and is not fragile, and this patent is except leading to the mistake unblock/shutting to touch the door handle by mistake and consider, still fully consider the response time that adopts electric capacity door handle to unblock, accomplishes the preliminary certification to the key, follow-up can respond to car owner unblock demand fast.
Disclosure of Invention
The application aims to overcome the defects of the background technology and provide a method and a system for controlling unlocking of a capacitive door handle vehicle.
In a first aspect, the present application provides a method for controlling unlocking of a capacitive door handle vehicle, including the steps of:
step S1, after a vehicle is initialized, acquiring that a key detection triggering condition in the vehicle meets a working condition, a key pre-authentication triggering condition meets the working condition, and a capacitor door handle unlocking triggering condition meets the working condition;
Step S2, when the triggering condition of in-car key detection is met, controlling to execute key detection operation and obtaining a key detection result;
step S31, when a key pre-authentication triggering condition containing a signal that a capacitive door handle is effectively touched is met, controlling to execute key pre-authentication operation to acquire a key pre-authentication state;
step S32, acquiring a key authentication state according to a key detection result;
step S33, acquiring a key re-authentication triggering condition to meet the working condition, and controlling to execute different key re-authentication operations according to the key pre-authentication state when the key re-authentication triggering condition is met, so as to acquire the key re-authentication state;
and S4, when the key pre-authentication state or the key re-authentication state is effective and the unlocking triggering condition of the capacitor door handle is met, acquiring the unlocking state of the whole vehicle, and controlling the whole vehicle to execute different unlocking operation strategies according to the unlocking state of the whole vehicle and the key authentication state.
According to the first aspect, in a first possible implementation manner of the first aspect, the in-vehicle key detection triggering condition is that a last door of five doors is opened to closed when a power supply is in an OFF gear or in a remote start mode, and the step S2 specifically includes the following steps:
Step S21, when the triggering condition of in-car key detection is met, controlling to execute key detection operation;
step S22, acquiring a key detection operation completion condition, and when the key detection operation is completed, acquiring a key detection result, and controlling to store in-car key memory storage information containing the in-car key detection result.
In a second possible implementation manner of the first aspect, the step S32 specifically includes the following steps:
step S321, acquiring an effective key detection result according to the key detection result;
step S322, when the effective key detection result is that an effective key is detected, comparing the effective key detection result with the memory storage information of the key in the vehicle to obtain a comparison result;
step S323, obtaining a key authentication state according to the effective key detection result and the comparison result.
In a third possible implementation manner of the first aspect according to the second possible implementation manner of the first aspect, the step S323 specifically includes the following steps:
step S3231, when the effective key is not detected as the effective key detection result, setting the key authentication state as invalid;
step S3232, when the effective key detection result is effective, and all the detected effective keys are in the in-car key memory storage information, setting the key authentication state as invalid;
Step S3233, when the valid key detection result is valid, and the detected valid key is not in the vehicle key and the stored information, the key authentication state is set to be valid.
According to a third possible implementation manner of the first aspect, in a fourth possible implementation manner of the first aspect,
after the steps S3231 and S3232, the method further comprises the following steps of
Acquiring an invalid duration time when the key authentication state is invalid;
and controlling to reacquire the key detection operation completion condition when the invalid duration exceeds the invalid duration preset value, or when a key pre-authentication triggering condition containing a valid touched signal of the capacitive door handle is satisfied, or when a key re-authentication triggering condition is satisfied.
In a fifth possible implementation manner of the first aspect according to the third possible implementation manner of the first aspect, after the step S3233, the method further includes the following steps
Acquiring a valid duration for which a key authentication state is valid;
and when the effective duration exceeds the effective duration preset value, controlling to reacquire the key detection operation completion working condition.
According to the first aspect, in a sixth possible implementation manner of the first aspect, the key re-authentication triggering condition is that the power is in an OFF gear and five doors are closed, the unlocking request signal sent by the capacitive door handle is changed from invalid to valid, and the step S33 specifically includes the following steps:
Step S331, acquiring a key re-authentication triggering condition meeting a working condition, and controlling to execute key re-authentication operation to acquire a key re-authentication state when the key re-authentication triggering condition is met and the key pre-authentication state is invalid;
step S332, acquiring that the key re-authentication triggering condition meets the working condition, and when the key re-authentication triggering condition is met and the key pre-authentication state is valid, controlling not to execute the key re-authentication operation.
In a seventh possible implementation manner of the first aspect according to the first aspect, the step S4 specifically includes the following steps:
step S41, when the key pre-authentication state or the key re-authentication state is valid, acquiring that the unlocking triggering condition of the capacitive door handle meets the working condition and the unlocking state of the whole vehicle;
and step S42, when the unlocking triggering condition of the capacitive door handle is met, the whole vehicle is in an unlocking/locking state, and the key authentication state is valid, controlling and executing the locking/unlocking operation of the whole vehicle.
In a second aspect, the present application provides a capacitive door handle vehicle unlatching control system comprising:
the trigger condition meeting working condition acquisition module is used for acquiring that after the vehicle is initialized, the key detection trigger condition in the vehicle meets the working condition, the key pre-authentication trigger condition meets the working condition, and the capacitor door handle unlocking trigger condition meets the working condition;
The key detection module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key detection operation to acquire a key detection result when the trigger condition of in-car key detection is met;
the key pre-authentication module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key pre-authentication operation to acquire a key pre-authentication state when the key pre-authentication trigger condition containing the effective touched signal of the capacitor door handle is met;
the key authentication module is in communication connection with the key detection module and is used for acquiring a key authentication state according to a key detection result;
the key reauthentication module is in communication connection with the triggering condition meeting working condition acquisition module and the key preauthentication module and is used for acquiring that the key reauthentication triggering condition meets working condition, and when the key reauthentication triggering condition is met, different key reauthentication operations are controlled to be executed according to the key preauthentication state;
the unlocking control module is in communication connection with the key pre-authentication module, the key authentication module and the key re-authentication module and is used for acquiring a whole vehicle unlocking state when the key pre-authentication state or the key re-authentication state is effective and the unlocking triggering condition of the capacitor door handle is met, and controlling the whole vehicle to execute different unlocking operation strategies according to the whole vehicle unlocking state and the key authentication state.
According to a second aspect, in a first possible implementation manner of the second aspect, the key detection module includes:
the key detection sub-module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key detection operation when the trigger condition of in-car key detection is met;
and the key detection storage sub-module is in communication connection with the key detection sub-module and is used for acquiring a key detection operation completion working condition, acquiring a key detection result when the key detection operation is completed, and controlling and storing the in-vehicle key memory storage information containing the in-vehicle key detection result.
Compared with the prior art, the invention has the following advantages:
compared with a PE key door handle, the unlocking control method for the capacitive door handle vehicle, provided by the application, has the advantages that the capacitive door handle is not exposed to the environment by keys, and is not easy to damage; when the touch information of the capacitive door handle is detected, pre-authentication operation is performed on the key state, the key state is detected after tms is continuously touched without being detected, the response time of subsequent unlocking is effectively shortened, and the experience of interactive response of a vehicle is improved.
Drawings
FIG. 1 is a method flow chart of a method of capacitive door handle vehicle unlatching control in accordance with an embodiment of the present application;
FIG. 2 is a flow chart of a method for storing in-vehicle key information according to an embodiment of the present application;
FIG. 3 is a flow chart of a key pre-authentication method of an embodiment of the present application;
FIG. 4 is a flow chart of a key re-authentication method of an embodiment of the present application;
FIG. 5 is a flowchart of a key authentication result storage method according to an embodiment of the present application;
FIG. 6 is a flow chart of a capacitive door handle unlatching control method of an embodiment of the present application;
FIG. 7 is a vehicle key detection antenna profile of an embodiment of the present application;
FIG. 8 is a simplified diagram of a key detection process according to an embodiment of the present application;
fig. 9 is a functional block diagram of a capacitive door handle unlocking control system provided in an embodiment of the present application.
Detailed Description
Reference will now be made in detail to the specific embodiments of the present application, examples of which are illustrated in the accompanying drawings. While the present application will be described in conjunction with the specific embodiments, it will be understood that it is not intended to limit the present application to the described embodiments. On the contrary, it is intended to cover alternatives, modifications, and equivalents as may be included within the spirit and scope of the application as defined by the appended claims. It should be noted that the method steps described herein may be implemented by any functional block or arrangement of functions, and any functional block or arrangement of functions may be implemented as a physical entity or a logical entity, or a combination of both.
In order that those skilled in the art will better understand the present application, the following description will be presented in further detail with reference to the drawings and detailed description.
Note that: the examples to be presented below are only one specific example and are not intended to limit the embodiments of the present application to the following specific steps, values, conditions, data, sequences, etc. Those skilled in the art can, upon reading the present specification, utilize the concepts of the present application to construct additional embodiments not described in the present specification.
In the prior art, two unlocking methods mainly exist, namely, a keyless entry function is achieved by pressing a PE key, and a capacitive door handle continuous touch sensing unlocking method is adopted, wherein the two unlocking methods have certain defects, the PE key is relatively easy to damage, key detection is carried out after the touch sensing of the capacitive door handle needs to detect tms to be continuously touched, unlocking is responded again according to a key detection result, and the response speed is low.
In view of the above, the application provides a method for controlling unlocking and locking of a capacitive door handle vehicle, which effectively solves the technical problems that in the prior art, a PE key is easy to damage when being pressed by an unlocking key, and the touch sensing unlocking response speed of the capacitive door handle is slow.
Referring to fig. 1, the present application provides a method for controlling unlocking of a capacitive door handle vehicle, comprising the following steps:
step S1, after a vehicle is initialized, acquiring that a key detection triggering condition in the vehicle meets a working condition, a key pre-authentication triggering condition meets the working condition, and a capacitor door handle unlocking triggering condition meets the working condition;
step S2, when the triggering condition of in-car key detection is met, controlling to execute key detection operation and obtaining a key detection result;
step S31, when a key pre-authentication triggering condition containing a signal that a capacitive door handle is effectively touched is met, controlling to execute key pre-authentication operation to acquire a key pre-authentication state;
step S32, acquiring a key authentication state according to a key detection result;
step S33, acquiring a key re-authentication triggering condition to meet the working condition, and controlling to execute different key re-authentication operations according to the key pre-authentication state when the key re-authentication triggering condition is met, so as to acquire the key re-authentication state;
and S4, when the key pre-authentication state or the key re-authentication state is effective and the unlocking triggering condition of the capacitor door handle is met, acquiring the unlocking state of the whole vehicle, and controlling the whole vehicle to execute different unlocking operation strategies according to the unlocking state of the whole vehicle and the key authentication state. Compared with a PE key door handle, the unlocking control method for the capacitive door handle vehicle, provided by the application, has the advantages that the capacitive door handle is not exposed to the environment by keys, and is not easy to damage; when the touch information of the capacitive door handle is detected, pre-authentication operation on the key state is adopted, the key state is not required to be detected after tms is continuously touched, the response time of subsequent unlocking and locking is effectively shortened, the technical problem that the touch sensing unlocking response speed of the conventional capacitive door handle is low is solved, and the experience of interaction response of a vehicle and a machine is improved.
In one embodiment, the signal received by the capacitive door handle includes both a touched signal and a unblocking request signal. The touched signal is a touched signal emitted when the capacitive door handle is touched. If not touched, sending out a non-touched signal; the unlocking request signal is issued when the capacitive door handle is continuously touched or when the touch is detected by the continuous tms, so that the capacitive door handle first issues the touched signal when the door handle is touched, and the unlocking request signal is issued after the tms.
In one embodiment, considering a capacitive door handle fault, when it is detected that the capacitive door handle is continuously touched for more than a preset time, the transmission of the unlocking request signal is controlled.
In a more specific embodiment, when the capacitive door handle continuous tms is touched and does not send out an unlocking request, an unlocking request signal is sent out/only an unlocking request signal is sent out but not a touched signal is sent out until the touch is larger than t1s, at this time, the result of pre-authenticating the key is invalid/the key is not pre-authenticated, at this time, the key is also required to be authenticated, and the problem that the unlocking action cannot be completed due to the failure of the capacitive door handle is avoided.
In one embodiment, tms is a sensor filtering process, and the unblocking signal is triggered by mistake upon touching, so the touch signal needs to be processed by the sensor filtering process, and the unblocking signal sends out the touch tms.
In an embodiment, the in-vehicle key detection triggering condition is that the last door of the five doors is opened to closed when the power supply is in the OFF gear or in the remote start mode, as shown in fig. 2, when the in-vehicle key detection triggering condition is not satisfied, continuing to determine, and after the condition is satisfied, sending an in-vehicle key detection command and detecting the in-vehicle smart key by using an in-vehicle antenna, wherein the step S2 specifically includes the following steps:
step S21, when the triggering condition of in-car key detection is met, controlling to execute key detection operation;
step S22, acquiring a key detection operation completion condition, acquiring a key detection result when the key detection operation is completed, controlling and storing in-vehicle key memory storage information containing the in-vehicle key detection result, storing intelligent key information memory, ending the in-vehicle key information storage flow, and continuing to judge the in-vehicle key detection triggering condition. The key detection antenna can also be adjusted according to different systems.
In an embodiment, please refer to fig. 3, the step S31 specifically includes the following steps:
when the key pre-authentication triggering condition is not met, continuing to judge; when the key pre-authentication triggering condition is met, a key detection command is sent, the key is entered into a key detection state, a door handle antenna is used for detecting the key, whether the key detection is finished or not is judged in real time, and after the key detection is finished, the key detection command is stopped to be sent, and the key detection state is exited.
As described above, the key detection completion signal is transmitted for only 1 frame, that is, the key detection completion signal is in an incomplete state when the key detection command is transmitted, and the key detection incomplete state is continuously transmitted after the key detection is once transmitted.
In one embodiment, the step S32 specifically includes the following steps:
step S321, acquiring an effective key detection result according to the key detection result;
step S322, when the effective key detection result is that an effective key is detected, comparing the effective key detection result with the memory storage information of the key in the vehicle to obtain a comparison result;
step S323, obtaining a key authentication state according to the effective key detection result and the comparison result.
In an embodiment, the step S323 specifically includes the following steps:
step S3231, when the effective key is not detected as the effective key detection result, setting the key authentication state as invalid;
step S3232, when the effective key detection result is effective, and all the detected effective keys are in the in-car key memory storage information, setting the key authentication state as invalid;
step S3233, when the valid key detection result is valid, and the detected valid key is not in the vehicle key and the stored information, the key authentication state is set to be valid.
In an embodiment, after the step S3231 and the step S3232, the method further includes the steps of:
acquiring an invalid duration time when the key authentication state is invalid;
when the invalid duration exceeds the invalid duration preset value, or when a key pre-authentication triggering condition containing a valid touched signal of the capacitive door handle is met, or when a key re-authentication triggering condition is met, controlling to reacquire a key detection operation completion condition; at this time, the key is invalid, and if the key authentication condition is triggered, the valid state of the key needs to be updated, so that the key authentication is given twice. The method also avoids that the first authentication key can be authenticated under the condition that the second authentication key is close because the first authentication key is not authenticated far away, and realizes the unlocking function.
In an embodiment, after the step S3233, the method further comprises the following steps of
Acquiring a valid duration for which a key authentication state is valid;
and when the effective duration exceeds the effective duration preset value, controlling to reacquire the key detection operation completion working condition.
In an embodiment, please refer to fig. 5, the step S32 is implemented as:
firstly, entering a key to-be-authenticated state, judging whether the key is detected, judging whether a key detection result detects an effective key after the key detection is completed, and if the key detection result does not detect the effective key, judging that the key authentication result state is a key authentication invalid state. When an effective key is detected, the key detection result is compared with the in-car key memory storage information, if all the detected keys are in the in-car key memory storage information, the detected keys are indicated to be in the car, unlocking operation cannot be carried out at the moment, the detected keys are considered to be invalid, the key authentication result state is a key authentication invalid state, the situation that an intelligent key is in the car can be avoided, and any person can unlock and lock the car/car owner without carrying the effective key to lock the key in the car is avoided. If the detected keys are not all in the in-vehicle key memory storage information, the intelligent key is indicated to be outside the vehicle (namely, the key is carried by a person unlocking the vehicle), and the key authentication result state is the key authentication valid state.
When the key state is the key authentication valid state, the timer 1 is started, when the timer 1 is larger than t1, the key enters the key to-be-authenticated state, whether the key detection is finished is judged again, namely, the key validity is maintained for t1s, and when an unlocking request signal sent by the capacitor door handle is received, whether the vehicle is unlocked or not can be judged directly by using the authentication result, so that the vehicle unlocking response speed is accelerated.
When the key state is the key authentication invalid state, the timer 2 is started, whether the timer 2 is larger than t1 is judged in real time, and when the timer is larger than t1, the key enters the key authentication waiting state, and whether the key detection is finished is judged again. Namely, the invalidity of the key is maintained for t1s, but when the key state is the key authentication invalidity state, after the key pre-authentication triggering condition or the re-authentication triggering is met, the key is required to enter a key to-be-authenticated state, whether the key detection is finished or not is judged again, the problem that the key cannot be found for the first time and the key is found for the next time in authentication is avoided, so that the lock can be unlocked, and the key authentication is given twice opportunities; the situation that the key is not beside the car when the door handle sends out the touched signal, but is beside the car when the door handle sends out the unlocking request signal is avoided. If the situation exists, when the key receives the unlocking request signal sent by the door handle, the key is re-authenticated and the key authentication result state is updated, so that the situation that unlocking cannot be performed under the situation is avoided.
In an embodiment, the key re-authentication triggering condition is that the power is in an OFF gear and the five doors are closed, and the unlocking request signal sent by the capacitor door handle is changed from invalid to valid, and the step S33 specifically includes the following steps:
step S331, acquiring a key re-authentication triggering condition meeting a working condition, and controlling to execute key re-authentication operation to acquire a key re-authentication state when the key re-authentication triggering condition is met and the key pre-authentication state is invalid;
step S332, acquiring that the key re-authentication triggering condition meets the working condition, and when the key re-authentication triggering condition is met and the key pre-authentication state is valid, controlling not to execute the key re-authentication operation.
In an embodiment, please refer to fig. 4, the step S33 is implemented as:
and when the key re-authentication triggering condition is not met, continuing to judge. When the key re-authentication triggering condition is met, detecting whether the key is in a key authentication valid state at the moment, if the key is in the key authentication valid state, indicating that the pre-authentication is completed and the key is valid, and directly exiting the key to continuously judge the key re-authentication triggering condition without re-authentication in order to save the electric quantity of a storage battery at the moment.
If the key authentication is not in the valid state, the key authentication is not ended, the key authentication is not detected/the key authentication is not carried out at all, and in order to avoid unlocking failure caused by faults, a key detection command is sent again and the key detection state is entered. And detecting the key by using the door handle antenna, judging whether the key detection is finished in real time, stopping sending a key detection command after the key detection is finished, and exiting the key detection state.
And (3) injection: the key detection completion signal is sent only for 1 frame, namely, the key detection completion signal is in an incomplete state after the key detection command is sent, and the key detection incomplete state is continuously sent after the key detection is once sent after the key detection is completed.
In an embodiment, the step S4 specifically includes the following steps:
step S41, when the key pre-authentication state or the key re-authentication state is valid, acquiring that the unlocking triggering condition of the capacitive door handle meets the working condition and the unlocking state of the whole vehicle;
and step S42, when the unlocking triggering condition of the capacitive door handle is met, the whole vehicle is in an unlocking/locking state, and the key authentication state is valid, controlling and executing the locking/unlocking operation of the whole vehicle.
In one embodiment, the step S4, as shown in fig. 6, is specifically implemented as follows:
the unlocking control flow of the capacitor door handle is as follows: and detecting whether the unlocking triggering condition of the capacitive door handle is met or not in real time, and if not, continuing to detect. If yes, judging whether the vehicle is in a key to-be-authenticated state, if not, judging whether the vehicle is in a key authentication valid state, and if not, judging that the vehicle is not in the key authentication valid state. If the key authentication is in the effective state, the whole vehicle is unlocked if the whole vehicle is in the locked state, and the whole vehicle is locked if the whole vehicle is in the unlocked state.
The triggering conditions in the application are respectively as follows:
after the vehicle is initialized, whether the key detection in the vehicle, the key pre-authentication of the keyless entry and the unlocking triggering condition of the keyless entry are met or not is judged at the same time.
The key detection triggering condition in the vehicle is that the last door of the five doors is opened to closed when the power supply is in an OFF gear or in a remote starting mode, and the key detection triggering condition in the vehicle can be adjusted according to different requirements of the vehicle;
the key pre-authentication triggering condition is that the power supply is in an OFF gear and the five doors are closed, and a touched signal (key pre-authentication) or a unlocking request signal (key re-authentication) sent by the capacitive door handle is changed from invalid to valid.
Key re-authentication trigger condition: the power supply is in the OFF gear and the five doors are closed, and the unlocking request signal (key re-authentication) sent by the capacitive door handle is changed from invalid to valid.
Therefore, each unlocking/locking process is completed for 2 times, and if the key pre-authentication result is valid, the unlocking can be directly performed. If the key pre-authentication is invalid, the key re-authentication is performed. According to different requirements of the vehicle, in the condition, the key authentication is also carried out on the received unlocking request signal sent by the capacitive door handle, so that the fault of the capacitive door handle is considered, when the capacitive door handle is touched for a period of time, the continuous tms of the capacitive door handle does not send out the unlocking request signal, only the unlocking request signal is sent out and the touch signal is not sent out until the touch is larger than t1s, at the moment, the result of pre-authenticating the key is invalid or the key is not pre-authenticated at all, at the moment, the key is required to be re-authenticated, namely re-authenticated, and the problem that the unlocking action cannot be completed due to the fault of the capacitive door handle is avoided.
The unlocking triggering condition of the capacitive door handle is that the power supply is in an OFF gear and the five doors are closed, and an unlocking request signal sent by the capacitive door handle is received.
Therefore, the key pre-authentication triggering conditions comprise a capacitive door handle unlocking triggering condition, so that the capacitive door handle can conveniently send out a touched signal, and after the key authentication is invalid, the key is authenticated again when the unlocking signal sent out by the capacitive door handle is received. The situation that the key is not beside the car when the door handle sends out the touched signal, but is beside the car when the door handle sends out the unlocking request signal is avoided. If the situation exists, when the key receives the unlocking request signal sent by the door handle, the key is re-authenticated and the key authentication result state is updated, so that the situation that unlocking cannot be performed under the situation is avoided.
In one embodiment, the key detection means that the PEPS controller drives the antenna to transmit a low frequency signal, and after the key receives the low frequency signal, the key transmits a high frequency signal to the PEPS controller to complete the key detection process of binding the vehicle. The antenna comprises a key detection antenna at the automobile door handle, a key detection antenna at the front, middle and rear rows of the automobile interior and a key detection antenna at the automobile tail door, as shown in fig. 7, wherein a is the automobile door handle, b is the key detection antenna at the automobile door handle, c is the key detection antenna at the front, middle and rear rows of the automobile interior, and d is the key detection antenna at the automobile tail door.
Before key detection, the corresponding keys of the vehicle and the PEPS controller are required to be mutually learned, and key information is stored, so that a foundation is laid for subsequent low/high frequency signal transmission. The low-frequency signal sent by the PEPS controller driving antenna and the high-frequency signal sent by the key contain the key information. If the low-frequency signal transmitted by the PEPS controller driving antenna does not contain the key information, the key receives the low-frequency signal and does not transmit a high-frequency signal to the PEPS controller; if the high frequency signal transmitted by the key does not contain the key information, the PEPS controller does not receive the signal; therefore, the key detection method can effectively detect the intelligent keys bound by the vehicle, and can effectively prevent the intelligent keys of other vehicles from being erroneously detected, so that the unlocking operation is misunderstood.
The PEPS controller drives the antenna to transmit a low frequency signal, and the transmission area range of the PEPS controller is the key detection area of the antenna, as shown in fig. 8.
Compared with a PE key door handle unlocking method, the unlocking control method for the capacitive door handle vehicle provided by the application is particularly easy to damage due to the fact that the PE key is frozen in winter. And sending a touched signal and an unlocking request signal by the capacitive door handle according to whether the human body touches or not and the touch time. When the capacitive door handle is touched, the capacitive door handle immediately sends out a touched signal for pre-authentication of the key, so that the response time of subsequent unlocking is shortened. The unlocking request signal is sent when the capacitive door handle is continuously touched, so that the false unlocking action caused by false touching is avoided. When the PEPS controller receives the touched signal, key pre-authentication is immediately carried out, when the key authentication is finished, the key pre-authentication result is memorized as t1s, when the key authentication result is invalid, the key pre-authentication request is triggered again, and the key needs to be re-authenticated, so that the condition that the key becomes valid during the key authentication period and cannot be unlocked is avoided. When the PEPS controller receives the unlocking request signal sent by the capacitive door handle, the PEPS controller combines the previous key authentication result/re-authentication result to determine whether to unlock the vehicle. In addition, considering the fault of the capacitive door handle, when the continuous tms of the capacitive door handle is touched and does not send out an unlocking request signal until the touch is larger than t1s, only the unlocking request signal is sent out and the touched signal is not sent out, at the moment, the result of pre-authenticating the key is invalid or the key is not pre-authenticated, at the moment, the key is also required to be authenticated, and the problem that the unlocking action cannot be completed due to the fault of the capacitive door handle is avoided. The adoption of the capacitive door handle is not easy to damage, besides the fact that the key can be unlocked only when the key is locked in/out of the vehicle is avoided, the key is also pre-authenticated, the response speed of unlocking the capacitive door handle is accelerated, meanwhile, the signal faults of the capacitive door handle are fully considered, the unlocking function of the capacitive door handle is achieved, and the intelligent performance of the vehicle is improved.
According to the capacitive door handle vehicle unlocking and locking control method, the capacitive door handle is adopted, the vehicle unlocking and locking function is achieved, the capacitive door handle is not easy to damage, besides the fact that keys cannot be unlocked when keys are not locked in/out of a vehicle is avoided, the keys are pre-authenticated, the response speed of the capacitive door handle unlocking and locking is accelerated, meanwhile, the capacitive door handle signal faults are fully considered, the capacitive door handle unlocking and locking function is achieved, and the vehicle intelligent performance is improved. The key pre-authentication process, the key authentication result storage process, the in-vehicle key memorization process and the capacitor door handle unlocking control process are all protection points of the patent.
Based on the same application concept, please refer to fig. 9, the present application provides a capacitive door handle vehicle unlocking control system, comprising:
the trigger condition meeting condition acquisition module 100 is configured to acquire that after the vehicle is initialized, a key detection trigger condition in the vehicle meets a condition, a key pre-authentication trigger condition meets a condition, and a capacitor door handle unlocking trigger condition meets a condition;
the key detection module 200 is in communication connection with the trigger condition meeting working condition acquisition module 100, and is used for controlling and executing key detection operation to acquire a key detection result when the trigger condition of in-vehicle key detection is met;
The key pre-authentication module 310 is in communication connection with the triggering condition meeting working condition obtaining module 100, and is used for controlling to execute key pre-authentication operation to obtain a key pre-authentication state when the key pre-authentication triggering condition containing the effective touched signal of the capacitive door handle is met;
the key authentication module 320 is in communication connection with the key detection module 200, and is configured to obtain a key authentication state according to a key detection result;
the key re-authentication module 330 is in communication connection with the triggering condition meeting working condition acquiring module 100 and the key pre-authentication module 310, and is used for acquiring that the key re-authentication triggering condition meets working conditions, and controlling to execute different key re-authentication operations according to the key pre-authentication state when the key re-authentication triggering condition is met;
the unlocking control module 400 is in communication connection with the key pre-authentication module 310, the key authentication module 320 and the key re-authentication module 330, and is configured to obtain an unlocking state of the whole vehicle when the key pre-authentication state or the key re-authentication state is valid and the unlocking trigger condition of the capacitor door handle is satisfied, and control the whole vehicle to execute different unlocking operation strategies according to the unlocking state and the key authentication state of the whole vehicle.
In one embodiment, the key detection module comprises:
the key detection sub-module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key detection operation when the trigger condition of in-car key detection is met;
and the key detection storage sub-module is in communication connection with the key detection sub-module and is used for acquiring a key detection operation completion working condition, acquiring a key detection result when the key detection operation is completed, and controlling and storing the in-vehicle key memory storage information containing the in-vehicle key detection result.
Based on the same application concept, the embodiments of the present application also provide a computer readable storage medium having a computer program stored thereon, which when executed by a processor, implements all or part of the method steps of the above method.
The present application implements all or part of the above-described methods, or may be implemented by a computer program that instructs related hardware to implement the steps of each of the above-described method embodiments when executed by a processor. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the content of the computer readable medium can be appropriately increased or decreased according to the requirements of the jurisdiction's jurisdiction and the patent practice, for example, in some jurisdictions, the computer readable medium does not include electrical carrier signals and telecommunication signals according to the jurisdiction and the patent practice.
Based on the same application concept, the embodiment of the application also provides an electronic device, which comprises a memory and a processor, wherein the memory stores a computer program running on the processor, and the processor executes the computer program to realize all or part of the method steps in the method.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being a control center of the computer device, and the various interfaces and lines connecting the various parts of the overall computer device.
The memory may be used to store computer programs and/or modules, and the processor implements various functions of the computer device by running or executing the computer programs and/or modules stored in the memory, and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (e.g., a sound playing function, an image playing function, etc.); the storage data area may store data (e.g., audio data, video data, etc.) created according to the use of the handset. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card), at least one disk storage device, flash memory device, or other volatile solid-state storage device.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, server, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (7)
1. The method for controlling unlocking of the capacitive door handle vehicle is characterized by comprising the following steps of:
step S1, after a vehicle is initialized, acquiring that a key detection triggering condition in the vehicle meets a working condition, a key pre-authentication triggering condition meets the working condition, and a capacitor door handle unlocking triggering condition meets the working condition;
step S2, when the triggering condition of in-car key detection is met, controlling to execute key detection operation and obtaining a key detection result;
step S31, when a key pre-authentication triggering condition containing a signal that a capacitive door handle is effectively touched is met, controlling to execute key pre-authentication operation to acquire a key pre-authentication state;
step S32, acquiring a key authentication state according to a key detection result;
the step S32 specifically includes the following steps:
step S321, acquiring an effective key detection result according to the key detection result;
step S322, when the effective key detection result is that an effective key is detected, comparing the effective key detection result with the memory storage information of the key in the vehicle to obtain a comparison result;
step S323, acquiring a key authentication state according to the effective key detection result and the comparison result;
the step S323 specifically includes the following steps:
Step S3231, when the effective key is not detected as the effective key detection result, setting the key authentication state as invalid;
step S3232, when the effective key detection result is effective, and all the detected effective keys are in the in-car key memory storage information, setting the key authentication state as invalid;
step S3233, when the effective detection key detection result is effective, and the detected effective key is not in the in-car key and the stored information, setting the key authentication state as effective;
after the step S3231 and the step S3232, the method further comprises the steps of:
acquiring an invalid duration time when the key authentication state is invalid;
when the invalid duration exceeds the invalid duration preset value, or when a key pre-authentication triggering condition containing a valid touched signal of the capacitive door handle is met, or when a key re-authentication triggering condition is met, controlling to reacquire a key detection operation completion condition;
step S33, acquiring a key re-authentication triggering condition to meet the working condition, and controlling to execute different key re-authentication operations according to the key pre-authentication state when the key re-authentication triggering condition is met, so as to acquire the key re-authentication state;
And S4, when the key pre-authentication state or the key re-authentication state is effective and the unlocking triggering condition of the capacitor door handle is met, acquiring the unlocking state of the whole vehicle, and controlling the whole vehicle to execute different unlocking operation strategies according to the unlocking state of the whole vehicle and the key authentication state.
2. The method for controlling unlocking of a capacitive door handle vehicle according to claim 1, wherein the in-vehicle key detection triggering condition is that the last door of the five doors is opened to closed when the power supply is in OFF gear or in remote start mode, and the step S2 specifically comprises the steps of:
step S21, when the triggering condition of in-car key detection is met, controlling to execute key detection operation;
step S22, acquiring a key detection operation completion condition, and when the key detection operation is completed, acquiring a key detection result, and controlling to store in-car key memory storage information containing the in-car key detection result.
3. The method for controlling unlocking of a capacitive door handle vehicle according to claim 1, further comprising the steps of, after said step S3233
Acquiring a valid duration for which a key authentication state is valid;
and when the effective duration exceeds the effective duration preset value, controlling to reacquire the key detection operation completion working condition.
4. The method for controlling unlocking of a capacitive door handle vehicle according to claim 1, wherein the key re-authentication triggering condition is that the power is in an OFF gear and five doors are closed, the unlocking request signal sent by the capacitive door handle is changed from invalid to valid, and the step S33 specifically includes the following steps:
step S331, acquiring a key re-authentication triggering condition meeting a working condition, and controlling to execute key re-authentication operation to acquire a key re-authentication state when the key re-authentication triggering condition is met and the key pre-authentication state is invalid;
step S332, acquiring that the key re-authentication triggering condition meets the working condition, and when the key re-authentication triggering condition is met and the key pre-authentication state is valid, controlling not to execute the key re-authentication operation.
5. The method for controlling unlocking of a capacitive door handle vehicle according to claim 1, wherein the step S4 specifically includes the steps of:
step S41, when the key pre-authentication state or the key re-authentication state is valid, acquiring that the unlocking triggering condition of the capacitive door handle meets the working condition and the unlocking state of the whole vehicle;
and step S42, when the unlocking triggering condition of the capacitive door handle is met, the whole vehicle is in an unlocking/locking state, and the key authentication state is valid, controlling and executing the locking/unlocking operation of the whole vehicle.
6. A capacitive door handle vehicle unlatch control system, comprising:
the trigger condition meeting working condition acquisition module is used for acquiring that after the vehicle is initialized, the key detection trigger condition in the vehicle meets the working condition, the key pre-authentication trigger condition meets the working condition, and the capacitor door handle unlocking trigger condition meets the working condition;
the key detection module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key detection operation to acquire a key detection result when the trigger condition of in-car key detection is met;
the key pre-authentication module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key pre-authentication operation to acquire a key pre-authentication state when the key pre-authentication trigger condition containing the effective touched signal of the capacitor door handle is met;
the key authentication module is in communication connection with the key detection module and is used for acquiring a key authentication state according to a key detection result;
the step of obtaining the key authentication state according to the key detection result specifically comprises the following steps:
acquiring an effective key detection result according to the key detection result;
when the effective key detection result is that the effective key is detected, comparing the effective key detection result with the memory storage information of the key in the vehicle to obtain a comparison result;
Acquiring a key authentication state according to the effective key detection result and the comparison result;
the step of obtaining the key authentication state according to the effective key detection result and the comparison result specifically comprises the following steps:
when the valid key detection result is that a valid key is not detected, setting a key authentication state as invalid;
when the effective key detection result is effective and all the detected effective keys are in the in-car key memory storage information, setting the key authentication state as invalid;
when the effective detection key detection result is effective and the detected effective key is not in the in-car key and the stored information, setting the key authentication state as effective;
according to the key detection result, obtaining an effective key detection result and setting the key authentication state as invalid when the effective key detection result is that the effective key is not detected, and further comprising:
acquiring an invalid duration time when the key authentication state is invalid;
when the invalid duration exceeds the invalid duration preset value, or when a key pre-authentication triggering condition containing a valid touched signal of the capacitive door handle is met, or when a key re-authentication triggering condition is met, controlling to reacquire a key detection operation completion condition;
The key reauthentication module is in communication connection with the triggering condition meeting working condition acquisition module and the key preauthentication module and is used for acquiring that the key reauthentication triggering condition meets working condition, and when the key reauthentication triggering condition is met, different key reauthentication operations are controlled to be executed according to the key preauthentication state;
the unlocking control module is in communication connection with the key pre-authentication module, the key authentication module and the key re-authentication module and is used for acquiring a whole vehicle unlocking state when the key pre-authentication state or the key re-authentication state is effective and the unlocking triggering condition of the capacitor door handle is met, and controlling the whole vehicle to execute different unlocking operation strategies according to the whole vehicle unlocking state and the key authentication state.
7. The capacitive door handle vehicle unlatch control system of claim 6 wherein said key detection module includes:
the key detection sub-module is in communication connection with the trigger condition meeting working condition acquisition module and is used for controlling and executing key detection operation when the trigger condition of in-car key detection is met;
and the key detection storage sub-module is in communication connection with the key detection sub-module and is used for acquiring a key detection operation completion working condition, acquiring a key detection result when the key detection operation is completed, and controlling and storing the in-vehicle key memory storage information containing the in-vehicle key detection result.
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