CN112230624B - Control system and method for vehicle door lock - Google Patents
Control system and method for vehicle door lock Download PDFInfo
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- CN112230624B CN112230624B CN202011173592.9A CN202011173592A CN112230624B CN 112230624 B CN112230624 B CN 112230624B CN 202011173592 A CN202011173592 A CN 202011173592A CN 112230624 B CN112230624 B CN 112230624B
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- 238000004891 communication Methods 0.000 claims description 46
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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Abstract
The invention discloses a control system and a method for a vehicle door lock, wherein the system comprises a vehicle-mounted T-Box, a standby line, a central gateway, a vehicle body area controller, a door lock control module and a user terminal, wherein the vehicle-mounted T-Box, the standby line, the central gateway, the vehicle body area controller and the door lock control module are arranged in a vehicle; when the vehicle-mounted T-Box judges that the vehicle body domain controller has a fault, BDCM fault information is sent to a user terminal; the user terminal responds to the received BDCM fault information and displays a standby unlocking key on a vehicle unlocking interface; the user terminal responds to the operation that a user clicks the standby unlocking key, generates a standby unlocking instruction and sends the standby unlocking instruction to the vehicle-mounted T-Box; and the vehicle-mounted T-Box forwards the received standby unlocking instruction to the door lock control module through a standby line so as to control the door lock control module to execute unlocking operation. By adopting the embodiment of the invention, the vehicle door lock can be normally unlocked when the vehicle body domain controller fails, and the convenience of vehicle use is increased.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a control system and a control method for a vehicle door lock.
Background
With the development of intelligent networking of automobiles, the electronic and electric architecture of the automobile gradually transits from distributed to domain centralized mode, more and more functions are integrated into a domain controller, the domain controller is used as a core brain to control the execution of the functions, once the inside of the domain controller breaks down, most of the functions are in a paralyzed state and cannot be executed. The inventor finds that unlocking of the vehicle door lock is generally controlled by a vehicle body domain controller integrating unlocking and door opening functions and the like in the process of implementing the invention, once the vehicle body domain controller fails, the vehicle cannot be unlocked and opened, and great inconvenience is brought to users.
Disclosure of Invention
The embodiment of the invention provides a control system and a control method of a vehicle door lock, which can ensure that the vehicle door lock can be normally unlocked when a vehicle body domain controller fails, and improve the convenience of vehicle use.
The invention provides a control system of a vehicle door lock, which comprises a vehicle-mounted T-Box, a standby line, a vehicle body area controller, a door lock control module and a user terminal, wherein the vehicle-mounted T-Box, the standby line, the vehicle body area controller and the door lock control module are arranged in a vehicle;
the vehicle-mounted T-Box is used for judging whether the vehicle body domain controller fails or not, and if so, BDCM fault information is sent to the user terminal;
the user terminal is used for responding to the received BDCM fault information and displaying a standby unlocking key on a vehicle unlocking interface;
the user terminal is also used for responding to the operation of clicking the standby unlocking key by the user, generating a standby unlocking instruction and sending the standby unlocking instruction to the vehicle-mounted T-Box;
the vehicle-mounted T-Box is also used for responding to the received standby unlocking instruction, and forwarding the standby unlocking instruction to the door lock control module through the standby line so as to control the door lock control module to execute unlocking operation.
As an improvement of the above scheme, the user terminal is further configured to generate an unlocking instruction in response to an operation of clicking a preset unlocking button on the vehicle unlocking interface by a user, and send the unlocking instruction to the vehicle-mounted T-Box;
the onboard T-Box is specifically configured to:
responding to the received unlocking instruction, judging whether the vehicle body domain controller has a fault, if so, sending BDCM fault information to the user terminal, and if not, forwarding the unlocking instruction to the vehicle body domain controller;
the vehicle body domain controller is used for responding to the received unlocking instruction and controlling the door lock control module to execute unlocking operation.
As an improvement of the scheme, the system further comprises a vehicle networking cloud platform;
the user terminal establishes a communication connection with the vehicle-mounted T-Box specifically by:
the Internet of vehicles cloud platform is connected through a wireless network;
and sending a check code to the Internet of vehicles cloud platform, so that the Internet of vehicles cloud platform verifies the check code, and after the verification is successful, establishing communication connection between the vehicle-mounted T-Box and the user terminal based on the Internet of vehicles cloud platform.
As an improvement of the above scheme, the user terminal specifically establishes a communication connection with the vehicle-mounted T-Box by:
connecting the vehicle-mounted T-Box through Bluetooth;
and sending a Bluetooth pairing password to the vehicle-mounted T-Box, so that the vehicle-mounted T-Box verifies the Bluetooth pairing password, and after the verification is successful, establishing communication connection between the vehicle-mounted T-Box and the user terminal.
As an improvement of the above solution, the control system further comprises a central gateway;
and the central gateway is used for establishing communication connection between the vehicle-mounted T-Box and the standby line and the vehicle body domain controller after passing the communication security certification of the vehicle-mounted T-Box.
As an improvement of the above scheme, the control system further comprises a CAN bus;
the vehicle-mounted T-Box is connected with the central gateway through the CAN bus, the central gateway is connected with the vehicle body domain controller through the CAN bus, and the vehicle body domain controller is connected with the door lock control module through the CAN bus.
As an improvement of the above solution, the vehicle-mounted T-Box determines whether the body area controller fails by:
generating a wake-up request; the wake-up request is used for indicating the body area controller to return a response signal;
sending the wake-up request to the body area controller;
and if the response signal returned by the vehicle body domain controller is not received within the first preset time after the awakening request is sent, judging that the vehicle body domain controller fails, otherwise, judging that the vehicle body domain controller does not fail.
As a modification of the above, the spare line is a LIN bus.
As an improvement of the above scheme, the control system further comprises a door lock state sensor module;
the door lock state sensor module is used for detecting the door lock state of the vehicle;
the door lock control module is used for acquiring the current door lock state of the vehicle through the door lock state sensor module after unlocking operation is executed, and feeding back the current door lock state to the vehicle-mounted T-Box through the standby line;
the vehicle-mounted T-Box is also used for responding to the current door lock state received within a second preset time after the standby unlocking instruction is forwarded to the door lock control module, judging whether unlocking is successful according to the current door lock state, and sending a judgment result to the user terminal;
the user terminal is also used for responding to the received judgment result and displaying the judgment result;
the vehicle-mounted T-Box is further used for responding to that the current door lock state is not received within the second preset time after the standby unlocking instruction is forwarded to the door lock control module, generating unlocking failure information and sending the unlocking failure information to the user terminal;
and the user terminal is also used for responding to the received unlocking failure information and displaying the unlocking failure information.
Another embodiment of the present invention provides a method for controlling a door lock of a vehicle, including:
the vehicle-mounted T-Box judges whether the vehicle body domain controller has a fault, and if so, BDCM fault information is sent to a user terminal which is in communication connection with the BDCM fault information, so that the user terminal displays a standby unlocking key on a vehicle unlocking interface;
the vehicle-mounted T-Box responds to a received standby unlocking instruction sent by the user terminal, and forwards the standby unlocking instruction to a door lock control module through a standby line so as to control the door lock control module to execute unlocking operation; the standby unlocking instruction is an instruction generated when the standby unlocking key is clicked.
Compared with the prior art, the control system and the control method for the vehicle door lock provided by the embodiment of the invention judge whether the vehicle body area controller has a fault or not through the vehicle-mounted T-Box, if so, sending BDCM fault information to a user terminal so that the user terminal displays a standby unlocking key on a vehicle unlocking interface, and a user can unlock the vehicle through clicking the standby unlocking key on the vehicle unlocking interface, the user terminal may be caused to generate and send a standby unlock instruction to the on-board T-Box, after receiving the standby unlocking instruction, the vehicle-mounted T-Box forwards the standby unlocking instruction to the door lock control module through a standby line so as to control the door lock control module to execute unlocking operation, therefore, the vehicle door lock can be normally unlocked when the vehicle body area controller fails, and the convenience of vehicle use is improved.
Drawings
Fig. 1 is a schematic structural diagram of a control system of a vehicle door lock according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control system of a vehicle door lock according to another embodiment of the present invention;
fig. 3 is a schematic flow chart of a control method for a vehicle door lock according to an embodiment of the present invention;
fig. 4 is a flowchart illustrating a method for controlling a vehicle door lock according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a control system of a vehicle door lock according to an embodiment of the present invention.
The control system 1 of the vehicle door lock provided by the embodiment of the invention comprises a vehicle-mounted T-Box31, a standby line 32, a vehicle body area controller 33, a door lock control module 34 and a user terminal 10 which establishes communication connection with the vehicle-mounted T-Box31, wherein the vehicle-mounted T-Box31, the standby line 32, the vehicle body area controller 33 and the door lock control module 34 are arranged in a vehicle 30;
the vehicle-mounted T-Box31 is configured to determine whether the vehicle body area controller 33 has a fault, and if so, send BDCM fault information to the user terminal 10;
the user terminal 10 is used for displaying a standby unlocking key on a vehicle unlocking interface in response to receiving the BDCM fault information;
the user terminal 10 is further configured to generate a standby unlocking instruction in response to an operation of clicking the standby unlocking button by a user, and send the standby unlocking instruction to the vehicle-mounted T-Box 31;
the vehicle-mounted T-Box31 is further configured to, in response to receiving the standby unlocking instruction, forward the standby unlocking instruction to the door lock control module 34 through the standby line 32, so as to control the door lock control module 34 to perform an unlocking operation.
The working principle of the control system 1 of the vehicle door lock provided by the embodiment of the invention is as follows: when the vehicle-mounted T-Box31 determines that the body area controller 33 has a fault, the vehicle-mounted T-Box31 may send BDCM fault information to the user terminal 10, so that the user terminal 10 displays a standby unlocking key on a vehicle unlocking interface, when a user needs to unlock a vehicle door lock, the user terminal 10 may click the standby unlocking key on the vehicle unlocking interface of the user terminal 10, when detecting that the user clicks the standby unlocking key, the user terminal 10 generates a standby unlocking instruction, and sends the standby unlocking instruction to the vehicle-mounted T-Box31, when receiving the standby unlocking instruction, the vehicle-mounted T-Box31 forwards the standby unlocking instruction to the door lock control module 34 through the standby line 32, and when receiving the standby unlocking instruction, an unlocking operation is performed, thereby achieving control of the state of the vehicle door lock.
It should be noted that the user terminal may include a mobile smart phone, a tablet computer, a wearable device, and the like.
As can be seen from the above analysis, in the control system 1 of the vehicle door lock according to the embodiment of the present invention, when the vehicle body domain controller fails, the standby unlocking button is actively displayed on the user terminal, so that the user can conveniently perform the unlocking operation, and after the user clicks the standby unlocking button, the standby unlocking instruction is sent to the door lock control module through the standby line, so as to drive the door lock control module to perform the unlocking operation, thereby ensuring that the vehicle door lock can still be normally unlocked when the vehicle body domain controller fails, and increasing the convenience in using the vehicle.
As one optional embodiment, the user terminal 10 is further configured to generate an unlocking instruction in response to an operation of clicking a preset unlocking button on the vehicle unlocking interface by a user, and send the unlocking instruction to the vehicle-mounted T-Box 31;
the onboard T-Box31 is specifically configured to:
in response to receiving the unlocking instruction, judging whether the body area controller 33 has a fault, if so, sending BDCM fault information to the user terminal 10, and if not, forwarding the unlocking instruction to the body area controller 33;
the body area controller 33 is configured to control the door lock control module 34 to perform an unlocking operation in response to receiving the unlocking instruction.
In this embodiment, when the vehicle door lock needs to be unlocked, a user may click an unlocking key preset on the vehicle unlocking interface, so that the user terminal 10 generates an unlocking instruction and sends the unlocking instruction to the vehicle-mounted T-Box 31; when the vehicle-mounted T-Box31 receives the unlocking instruction, whether the vehicle body domain controller 33 has a fault is judged; if the vehicle body domain controller 33 is judged to have a fault, the vehicle-mounted T-Box31 sends BDCM fault information to the user terminal 10, so that the user terminal 10 displays a standby unlocking key on a vehicle unlocking interface, a user can click the standby unlocking key on the vehicle unlocking interface of the user terminal 10, so that the user terminal 10 generates a standby unlocking instruction and sends the standby unlocking instruction to the vehicle-mounted T-Box31, and the vehicle-mounted T-Box31 forwards the standby unlocking instruction to the door lock control module 34 when receiving the standby unlocking instruction, so that the door lock control module 34 executes an unlocking operation, thereby realizing standby unlocking of the vehicle; if the vehicle body domain controller 33 is judged not to have a fault, the vehicle-mounted T-Box31 forwards the unlocking instruction to the vehicle body domain controller 33, and the vehicle body domain controller 33 can control the door lock control module 34 to execute the unlocking operation according to the received unlocking instruction, so that the normal unlocking of the vehicle is realized.
In a specific embodiment, the door lock control module 34 includes a logic processing unit, a driving unit and a plurality of door lock motors;
the logic processing unit is used for controlling the work of the driving unit when receiving the standby unlocking instruction or the unlocking instruction;
the driving unit is used for driving the door lock motors to unlock under the control of the logic processing unit.
As can be seen from the above analysis, the control system 1 for a vehicle door lock according to the embodiment of the present invention integrates the normal unlocking function and the standby unlocking function of the vehicle door lock, and can control the door lock control module to perform the unlocking operation through the vehicle body domain controller when the vehicle body domain controller fails, so as to efficiently and quickly unlock the vehicle door lock, and can also control the door lock control module to perform the unlocking operation through the central gateway when the vehicle body domain controller fails, so as to ensure that the vehicle door lock can be normally unlocked, so as to increase the convenience of the vehicle use, and the vehicle-mounted T-Box31 performs the fault determination on the vehicle body domain controller 33 only when receiving the unlocking instruction, so as to avoid unnecessary resource consumption caused by the fault determination on the vehicle body domain controller 33 when the user does not need to unlock the vehicle.
For example, the user terminal 10 and the vehicle-mounted T-Box31 may be in communication connection in a bluetooth manner, or in communication connection in a wireless network manner, which is not limited herein.
In a specific embodiment, referring to fig. 2, the system 1 further includes a car networking cloud platform 20, and the user terminal 10 establishes a communication connection with the car T-Box31 specifically by:
the user terminal 10 is connected with the internet of vehicles cloud platform 20 through a wireless network;
the user terminal 10 sends a check code to the car networking cloud platform 20, so that the car networking cloud platform 20 verifies the check code, and after the verification succeeds, the communication connection between the vehicle-mounted T-Box31 and the user terminal 10 is established based on the car networking cloud platform 20.
For example, the check code may be included in the unlocking instruction, so that authentication is performed synchronously when the user needs to unlock the lock.
In another specific embodiment, the user terminal 10 may specifically establish a communication connection with the vehicle-mounted T-Box31 by:
the user terminal 10 is connected with the vehicle-mounted T-Box31 through Bluetooth;
the user terminal 10 sends the bluetooth pairing password to the vehicle-mounted T-Box31, so that the vehicle-mounted T-Box31 verifies the bluetooth pairing password, and after the verification is successful, a communication connection between the vehicle-mounted T-Box31 and the user terminal 10 is established.
In the two embodiments, the communication connection is established between the user terminal 10 and the vehicle-mounted T-Box31 after the authentication is passed, so that an illegal user can be prevented from unlocking the vehicle door lock, and potential safety hazards are eliminated.
As an alternative embodiment, referring to fig. 1 or fig. 2, the control system further comprises a central gateway 35;
the central gateway 35 is used for establishing a communication connection between the vehicle-mounted T-Box31 and the spare line 32 and the body area controller 33 after the communication security certification through the vehicle-mounted T-Box 31.
In a specific embodiment, the on-board T-Box31 may specifically implement communication security authentication for the central gateway 35 by: the vehicle-mounted T-Box31 wakes up the central gateway 35, and sends a random number to the central gateway 35, so that the central gateway 35 verifies the random number and returns a verification result, the vehicle-mounted T-Box31 determines whether the communication security authentication passes according to the returned verification result returned by the central gateway 35, if the verification result is successful, it is determined that the communication security authentication passes, and if the verification result is failed, it is determined that the communication security authentication does not pass.
The vehicle door lock control system 1 provided by the embodiment of the invention can effectively improve the information transmission efficiency by connecting the vehicle-mounted T-Box31 and the standby line 32, the vehicle-mounted T-Box31 and the vehicle body domain controller 33 through the central gateway 35, and the vehicle-mounted T-Box31 can forward the unlocking command or the standby unlocking command after the central gateway 35 passes the communication security certification, thereby ensuring the communication security of the network in the vehicle and further eliminating the potential safety hazard.
Further, referring to fig. 1 or fig. 2, the control system 1 further includes a CAN bus;
the vehicle-mounted T-Box31 is connected with the central gateway 35 through the CAN bus, the central gateway 35 is connected with the vehicle body area controller 33 through the CAN bus, and the vehicle body area controller 33 is connected with the door lock control module 34 through the CAN bus;
then, the body area controller 33 is specifically configured to:
and responding to the received unlocking instruction, sending the unlocking instruction to the door lock control module 34 through the CAN bus, so that the door lock control module 34 executes unlocking operation according to the unlocking instruction.
In this embodiment, the communication between the vehicle-mounted T-Box31 and the central gateway 35, the communication between the central gateway 35 and the vehicle body area controller 33, and the communication between the vehicle body area controller 33 and the door lock control module 34 are performed through a CAN bus, so that the signal transmission time CAN be shortened, the probability of interference CAN be reduced, and the efficiency and accuracy of unlocking the vehicle door lock CAN be improved.
As an alternative embodiment, on the basis of the above embodiment, the onboard T-Box31 determines whether the body area controller 33 has a failure by:
generating a wake-up request; wherein, the wake-up request is used to instruct the body domain controller 33 to return a response signal;
sending the wake-up request to the body domain controller 33;
if the response signal returned by the vehicle body area controller 33 is not received within the first preset time after the awakening request is sent, it is determined that the vehicle body area controller 33 fails, and if not, it is determined that the vehicle body area controller 33 does not fail.
It should be noted that, if the vehicle body domain controller 33 does not have a fault, the vehicle body domain controller 33 should make a periodic response when receiving the wakeup request sent by the on-board T-Box31, therefore, if the on-board T-Box31 does not receive the response signal returned by the vehicle body domain controller 33 within the first preset time after sending the wakeup request, it may be determined that the vehicle body domain controller 33 has a fault, and if the on-board T-Box31 receives the response signal returned by the vehicle body domain controller 33 within the first preset time after sending the wakeup request, it may be determined that the vehicle body domain controller 33 has no fault. In specific implementation, the first preset time may be set according to actual needs, and is not limited herein, and optionally, the first preset time is 3 s.
As an alternative embodiment, on the basis of the above embodiment, the spare line 32 is a LIN bus.
In the present embodiment, the communication between the on-board T-Box31 and the door lock control module 34 is performed through the LIN bus, and the simplicity and rapidity of real-time communication can be ensured, thereby ensuring the efficiency of vehicle door lock control.
Further, referring to fig. 1 or fig. 2, the control system 1 further includes a door lock state sensor module 36;
the door lock state sensor module 36 is used for detecting the door lock state of the vehicle 30;
the door lock control module 34 is configured to, after an unlocking operation is performed, acquire a current door lock state of the vehicle 30 through the door lock state sensor module 36, and feed back the current door lock state to the vehicle-mounted T-Box31 through the standby line 32;
the vehicle-mounted T-Box31 is further configured to, in response to receiving the current door lock state within a second preset time after forwarding the standby unlocking instruction to the door lock control module 34, determine whether unlocking is successful according to the current door lock state, and send a determination result to the user terminal 10;
the user terminal 10 is further configured to respond to the received determination result and display the determination result.
It should be noted that, in a specific implementation, the second preset time may be set according to an actual need, which is not limited herein, and optionally, the second preset time is 5 s.
Through this embodiment, can in time remind the unblock result of user's vehicle lock, further increase the convenience that the vehicle used.
Furthermore, the on-board T-Box31 is further configured to generate an unlocking failure message in response to that the current door lock state is not received within the second preset time after the standby unlocking instruction is forwarded to the door lock control module 34, and send the unlocking failure message to the user terminal 10;
the user terminal 10 is further configured to display the unlocking failure information in response to receiving the unlocking failure information.
In this embodiment, if the vehicle-mounted T-Box31 forwards the standby unlocking instruction to the door lock control module 34, and does not receive the current door lock state within the second preset time, it indicates that the door lock control module 34 does not successfully execute the unlocking operation, at this time, the vehicle-mounted T-Box31 generates the unlocking failure information, and sends the unlocking failure information to the user terminal 10, so that the user terminal 10 displays the unlocking failure information, and can timely remind the user of the unlocking result of the vehicle door lock, thereby further increasing the convenience of vehicle use.
Accordingly, another embodiment of the present invention provides a method for controlling a vehicle door lock, which is applied to the control system of the vehicle door lock according to any one of the above embodiments.
Fig. 3 is a schematic flow chart of a method for controlling a vehicle door lock according to an embodiment of the present invention.
The control method of the vehicle door lock provided by the embodiment of the invention comprises the following steps:
s11, the vehicle-mounted T-Box judges whether the vehicle body domain controller has a fault, if so, BDCM fault information is sent to a user terminal which is in communication connection with the BDCM fault information, and the user terminal displays a standby unlocking key on a vehicle unlocking interface;
s12, responding to a received standby unlocking instruction sent by the user terminal by the vehicle-mounted T-Box, and forwarding the standby unlocking instruction to a door lock control module through a standby line so as to control the door lock control module to execute an unlocking operation; the standby unlocking instruction is an instruction generated when the standby unlocking key is clicked.
According to the control method of the vehicle door lock provided by the embodiment of the invention, whether the vehicle body domain controller fails is judged through the vehicle-mounted T-Box, if so, BDCM fault information is sent to the user terminal, so that the user terminal displays the standby unlocking key on the vehicle unlocking interface, a user can enable the user terminal to generate a standby unlocking instruction and send the standby unlocking instruction to the vehicle-mounted T-Box by clicking the standby unlocking key on the vehicle unlocking interface, and after receiving the standby unlocking instruction, the vehicle-mounted T-Box forwards the standby unlocking instruction to the door lock control module through a standby line so as to control the door lock control module to execute the unlocking operation.
As an alternative embodiment, referring to fig. 4, the step S11 specifically includes:
the vehicle-mounted T-Box judges whether a vehicle body domain controller fails or not in response to receiving an unlocking instruction, if so, BDCM fault information is sent to a user terminal which is in communication connection with the BDCM fault information, so that the user terminal displays a standby unlocking key on a vehicle unlocking interface, and if not, the unlocking instruction is forwarded to the vehicle body domain controller, so that the vehicle body domain controller controls the door lock control module to execute unlocking operation; the unlocking instruction is an instruction generated when an unlocking key on the vehicle unlocking interface of the user terminal is clicked.
As one optional embodiment, the user terminal specifically establishes a communication connection with the vehicle-mounted T-Box by:
the vehicle networking cloud platform is connected through a wireless network;
and sending a check code to the Internet of vehicles cloud platform, so that the Internet of vehicles cloud platform verifies the check code, and after the verification is successful, establishing communication connection between the vehicle-mounted T-Box and the user terminal based on the Internet of vehicles cloud platform.
As another optional embodiment, the user terminal specifically establishes a communication connection with the vehicle-mounted T-Box by:
the vehicle networking cloud platform is connected through a wireless network;
and sending a check code to the Internet of vehicles cloud platform, so that the Internet of vehicles cloud platform verifies the check code, and after the verification is successful, establishing communication connection between the vehicle-mounted T-Box and the user terminal based on the Internet of vehicles cloud platform.
As an alternative embodiment, referring to fig. 4, the method further includes:
s21, the vehicle-mounted T-Box carries out communication security authentication on a central gateway of the vehicle;
and S22, after the communication safety certification of the vehicle-mounted T-Box is passed, establishing communication connection between the vehicle-mounted T-Box and the spare line and between the vehicle-mounted T-Box and the vehicle body area controller.
Furthermore, the vehicle-mounted T-Box is connected with the central gateway through a CAN bus, the central gateway is connected with the vehicle body area controller through the CAN bus, and the vehicle body area controller is connected with the door lock control module through the CAN bus.
As an alternative embodiment, the on-board T-Box determines whether the body area controller fails by:
generating a wake-up request; the wake-up request is used for indicating the body area controller to return a response signal;
sending the wake-up request to the body area controller;
and if the response signal returned by the vehicle body domain controller is not received within the first preset time after the awakening request is sent, judging that the vehicle body domain controller fails, otherwise, judging that the vehicle body domain controller does not fail.
As one of the alternative embodiments, the spare line is a LIN bus.
As an optional embodiment, the method further comprises:
the vehicle-mounted T-Box responds to the fact that the current door lock state returned by the door lock control module is received within a second preset time after the standby unlocking instruction is forwarded to the door lock control module, judges whether unlocking is successful according to the current door lock state, and sends a judgment result to the user terminal, so that the user terminal displays the judgment result; the current door lock state is acquired by the door lock state sensor module after the door lock control module executes unlocking operation;
and the vehicle-mounted T-Box responds to that the current door lock state returned by the door lock control module is not received within the second preset time after the standby unlocking instruction is forwarded to the door lock control module, generates unlocking failure information, and sends the unlocking failure information to the user terminal, so that the user terminal displays the unlocking failure information.
It should be noted that, contents of each part of the control method for the vehicle door lock provided in this embodiment may refer to relevant contents of the control system for the vehicle door lock in the foregoing embodiment, and further details are not described herein.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, and may be specifically implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (9)
1. A control system of a vehicle door lock is characterized by comprising a vehicle-mounted T-Box, a standby line, a vehicle body area controller, a door lock control module and a user terminal, wherein the vehicle-mounted T-Box, the standby line, the vehicle body area controller and the door lock control module are arranged in a vehicle;
the vehicle-mounted T-Box is used for judging whether the vehicle body domain controller fails or not, and if so, BDCM fault information is sent to the user terminal;
the user terminal is used for responding to the received BDCM fault information and displaying a standby unlocking key on a vehicle unlocking interface;
the user terminal is also used for responding to the operation of clicking the standby unlocking key by the user, generating a standby unlocking instruction and sending the standby unlocking instruction to the vehicle-mounted T-Box;
the vehicle-mounted T-Box is also used for responding to the received standby unlocking instruction, and forwarding the standby unlocking instruction to the door lock control module through the standby line so as to control the door lock control module to execute unlocking operation;
wherein the vehicle-mounted T-Box judges whether the vehicle body area controller fails or not through the following steps:
generating a wake-up request; the wake-up request is used for indicating the body area controller to return a response signal;
sending the wake-up request to the body area controller;
and if the response signal returned by the vehicle body domain controller is not received within the first preset time after the awakening request is sent, judging that the vehicle body domain controller fails, otherwise, judging that the vehicle body domain controller does not fail.
2. The control system of the vehicle door lock according to claim 1, wherein the user terminal is further configured to generate an unlocking instruction in response to an operation of clicking a preset unlocking button on the vehicle unlocking interface by a user, and send the unlocking instruction to the vehicle-mounted T-Box;
the onboard T-Box is specifically configured to:
responding to the received unlocking instruction, judging whether the vehicle body domain controller has a fault, if so, sending BDCM fault information to the user terminal, and if not, forwarding the unlocking instruction to the vehicle body domain controller;
the vehicle body domain controller is used for responding to the received unlocking instruction and controlling the door lock control module to execute unlocking operation.
3. The control system of a vehicle door lock of claim 1, wherein the system further comprises a vehicle networking cloud platform;
the user terminal establishes a communication connection with the vehicle-mounted T-Box specifically by:
the Internet of vehicles cloud platform is connected through a wireless network;
and sending a check code to the Internet of vehicles cloud platform, so that the Internet of vehicles cloud platform verifies the check code, and after the verification is successful, establishing communication connection between the vehicle-mounted T-Box and the user terminal based on the Internet of vehicles cloud platform.
4. The control system for vehicle door lock according to claim 1, wherein the user terminal establishes communication connection with the in-vehicle T-Box specifically by:
connecting the vehicle-mounted T-Box through Bluetooth;
and sending a Bluetooth pairing password to the vehicle-mounted T-Box, so that the vehicle-mounted T-Box verifies the Bluetooth pairing password, and after the verification is successful, establishing communication connection between the vehicle-mounted T-Box and the user terminal.
5. The control system for a vehicle door lock according to claim 1, further comprising a central gateway;
and the central gateway is used for establishing communication connection between the vehicle-mounted T-Box and the standby line and the vehicle body domain controller after passing the communication security certification of the vehicle-mounted T-Box.
6. The control system for a vehicle door lock according to claim 5, wherein the control system further comprises a CAN bus;
the vehicle-mounted T-Box is connected with the central gateway through the CAN bus, the central gateway is connected with the vehicle body domain controller through the CAN bus, and the vehicle body domain controller is connected with the door lock control module through the CAN bus.
7. The control system for a vehicle door lock according to claim 1, wherein the backup line is a LIN bus.
8. The control system for a vehicle door lock according to claim 1, further comprising a door lock state sensor module;
the door lock state sensor module is used for detecting the door lock state of the vehicle;
the door lock control module is used for acquiring the current door lock state of the vehicle through the door lock state sensor module after unlocking operation is executed, and feeding back the current door lock state to the vehicle-mounted T-Box through the standby line;
the vehicle-mounted T-Box is also used for responding to the current door lock state received within a second preset time after the standby unlocking instruction is forwarded to the door lock control module, judging whether unlocking is successful according to the current door lock state, and sending a judgment result to the user terminal;
the user terminal is also used for responding to the received judgment result and displaying the judgment result;
the vehicle-mounted T-Box is further used for responding to that the current door lock state is not received within the second preset time after the standby unlocking instruction is forwarded to the door lock control module, generating unlocking failure information and sending the unlocking failure information to the user terminal;
and the user terminal is also used for responding to the received unlocking failure information and displaying the unlocking failure information.
9. A control method of a vehicle door lock, characterized by comprising:
the vehicle-mounted T-Box judges whether the vehicle body domain controller has a fault, and if so, BDCM fault information is sent to a user terminal which is in communication connection with the BDCM fault information, so that the user terminal displays a standby unlocking key on a vehicle unlocking interface;
the vehicle-mounted T-Box responds to a received standby unlocking instruction sent by the user terminal, and forwards the standby unlocking instruction to a door lock control module through a standby line so as to control the door lock control module to execute unlocking operation; the standby unlocking instruction is an instruction generated when the standby unlocking key is clicked;
wherein the vehicle-mounted T-Box judges whether the vehicle body area controller fails or not through the following steps:
generating a wake-up request; the wake-up request is used for indicating the body area controller to return a response signal;
sending the wake-up request to the body area controller;
and if the response signal returned by the vehicle body domain controller is not received within the first preset time after the awakening request is sent, judging that the vehicle body domain controller fails, otherwise, judging that the vehicle body domain controller does not fail.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112991584A (en) * | 2021-02-04 | 2021-06-18 | 广州易点智慧出行科技有限公司 | Control method and system for unlocking and locking of vehicle |
| CN114323682A (en) * | 2021-12-15 | 2022-04-12 | 华人运通(江苏)技术有限公司 | Vehicle door durability test method, system, terminal equipment and storage medium |
| CN114299648A (en) * | 2022-01-27 | 2022-04-08 | 中国第一汽车股份有限公司 | Control system and method for vehicle glove box |
| CN115139939B (en) * | 2022-06-06 | 2024-05-14 | 智己汽车科技有限公司 | Method and system for connecting and controlling vehicle-mounted peripheral equipment |
| CN115113615A (en) * | 2022-08-31 | 2022-09-27 | 江铃汽车股份有限公司 | Background self-checking method and system for self-locking problem of vehicle |
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