CN115150007A - Digital key system monitoring method, device, equipment and storage medium - Google Patents
Digital key system monitoring method, device, equipment and storage medium Download PDFInfo
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- CN115150007A CN115150007A CN202210771204.XA CN202210771204A CN115150007A CN 115150007 A CN115150007 A CN 115150007A CN 202210771204 A CN202210771204 A CN 202210771204A CN 115150007 A CN115150007 A CN 115150007A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
Abstract
The invention discloses a digital key system monitoring method, a digital key system monitoring device, digital key system monitoring equipment and a storage medium. The digital key system comprises a digital key end component and a vehicle end component, wherein the vehicle end component comprises a master module and at least one slave module, the slave module is a monitoring node, the monitoring node periodically monitors a broadcast signal sent by an antenna in the master module, and if the monitoring node does not receive the broadcast signal of the master module within preset M periods, the antenna of the master module is judged to have a fault, wherein M is an integer greater than or equal to 2. According to the method, when the digital key system is started or needs to be detected, at least one slave module in the vehicle-end assembly periodically monitors the broadcast signal of the master module in the vehicle-end assembly, fault judgment is carried out, the effectiveness of the system is verified, the reliability of the whole system is improved, and the user experience is improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of vehicles, in particular to a digital key system monitoring method, a digital key system monitoring device, digital key system monitoring equipment and a storage medium.
Background
The digital key of the automobile realizes the operations of opening and closing the automobile door, igniting and the like under the condition of no key by a user, and provides convenience and different user experiences for an automobile owner to a great extent.
The Bluetooth digital key product comprises a single Bluetooth antenna or a plurality of Bluetooth antennas, the Bluetooth communication protocol has a master-slave mode, the master node is responsible for scanning, the slave nodes are responsible for broadcasting, and when the master node scans the broadcasting signals of the slave nodes, the two ends start to establish connection. Wherein the bluetooth antenna in the digital key master module typically acts as a slave node to broadcast outwardly so that authorized bluetooth devices (e.g. cell phones) present in its vicinity can receive the broadcast in a timely manner to establish a communication connection therewith. However, when the antenna and the radio frequency front end of the existing bluetooth digital key system have faults, fault location depends on external connection equipment (such as a mobile phone) of the system to prompt that connection is unsuccessful, and fault location of the system needs to depend on fault code extraction and the like, which belong to passive fault acquisition modes and influence the functional experience of the digital key.
Therefore, a monitoring device and method are needed to actively verify the rf physical characteristics of the antenna and the effectiveness of the system.
Disclosure of Invention
The invention provides a digital key system monitoring method, a digital key system monitoring device, digital key system monitoring equipment and a digital key system monitoring storage medium, which are used for verifying the radio frequency physical characteristics of an antenna of a digital key and the effectiveness of the system and improving the reliability of the whole system.
In a first aspect, an embodiment of the present invention provides a digital key system monitoring method, including:
the digital key system comprises a digital key end assembly and a vehicle end assembly, wherein the vehicle end assembly comprises a master module and at least one slave module, and the slave module is a monitoring node;
the monitoring node periodically monitors the broadcast signals sent by the antennas in the main module;
if the monitoring node does not receive the broadcast signal of the main module within preset M periods, judging that the antenna of the main module has a fault;
wherein M is an integer greater than or equal to 2.
Optionally, after determining that the antenna of the main module fails, the method further includes: and controlling the main module to restart.
Optionally, after controlling the master module to restart, the method further includes: the monitoring node monitors the broadcast signals sent by the antennas in the main module; and if the monitoring node does not receive the broadcast signal of the master module within the preset time, enabling a standby slave module to replace the master module to broadcast outwards.
Optionally, after determining that the antenna of the main module fails, the method further includes: enabling a spare slave to broadcast out in place of the master.
Optionally, the standby slave module is the monitoring node, or the monitoring node is located in a certain slave module outside the standby slave module.
Optionally, the master module and the slave module are integrated into the same module, or the master module and the slave module are two physically separated modules.
Optionally, the broadcast signal comprises a bluetooth signal or an ultra wideband UWB signal.
Optionally, the master module and the slave module are connected through an in-vehicle network;
and if the monitoring node receives the broadcast signal of the main module, comparing the data transmitted by the in-vehicle network with the broadcast signal to judge the validity of the broadcast signal.
In a second aspect, an embodiment of the present invention further provides a digital key system monitoring device, where the device includes:
the monitoring unit is used for periodically monitoring the broadcast signals sent by the antenna in the main module;
the judging unit is used for judging that the antenna of the main module breaks down if the broadcasting signal of the main module is not received in preset M periods;
wherein M is an integer greater than or equal to 2.
In a third aspect, an embodiment of the present invention further provides a digital key system monitoring device, including: one or more processors;
a memory for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the digital key system monitoring method as any of the embodiments of the present invention.
In a fourth aspect, the embodiments of the present invention further provide a computer-readable storage medium, where the computer program, when executed by a processor, implements the digital key system monitoring method according to any of the embodiments of the present invention.
The digital key system comprises a digital key end component and a vehicle end component, wherein the vehicle end component comprises a main module and at least one slave module, the slave module is a monitoring node, the monitoring node periodically monitors a broadcast signal sent by an antenna in the main module, and if the monitoring node does not receive the broadcast signal of the main module within preset M periods, the antenna of the main module is judged to have a fault, wherein M is an integer greater than or equal to 2. According to the method, when the digital key system is started or needs to be detected, a detection program is added, so that at least one slave module in the vehicle-end assembly periodically monitors a broadcast signal of a master module in the vehicle-end assembly, active fault judgment is carried out, and the validity of the system is verified, so that the problem that the function experience of the digital key is influenced because fault location depends on a mode that a connection device outside the system prompts that the connection is unsuccessful or a fault code extraction and other passive fault acquisition modes are relied on when a Bluetooth antenna node fails and cannot work normally in the prior art is solved, the reliability of the whole system is improved, and the user experience is improved.
Drawings
Fig. 1 is a flowchart of a digital key system monitoring method according to an embodiment of the present invention;
fig. 2 is a flowchart of another digital key system monitoring method according to a second embodiment of the present invention;
fig. 3 is a flowchart of another digital key system monitoring method according to a third embodiment of the present invention;
fig. 4 is a block diagram of a digital key system monitoring device according to a fourth embodiment of the present invention;
fig. 5 is a block diagram of a digital key system monitoring device according to a fifth embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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.
It should be noted that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements explicitly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example one
Fig. 1 is a flowchart of a digital key system monitoring method according to an embodiment of the present invention, which is applicable to a situation that an antenna and a radio frequency of a digital key system cannot normally operate and only a fault can be passively acquired. The device can be configured in a vehicle, and the method specifically comprises the following steps:
s110, the monitoring node periodically monitors the broadcast signals sent by the antennas in the main module.
Specifically, the digital key system includes a digital key end assembly and a vehicle end assembly. The digital key system may be a bluetooth digital key system, an Ultra Wide Band (UWB) digital key system, or a Near Field Communication (NFC) digital key system. In the following embodiments, the bluetooth digital key is taken as an example for explanation. The digital key end assembly can be arranged in the terminal device, for example, the digital key end assembly can be arranged in a smart phone, specifically embodied as a digital key management APP, and the user can generate a digital key corresponding to the user vehicle by registering the digital key management APP. It should be noted that each user may correspond to a plurality of digital keys, each digital key corresponds to a communication medium (such as bluetooth, ultra wideband, or near field communication), and each digital key can only control a corresponding vehicle, and when a user needs to switch a vehicle, the user may switch the digital key to further control the corresponding vehicle.
The on-board assembly includes a master module and at least one slave module. The main module may be disposed forward of a central axis of the vehicle interior, which may include a target radio frequency unit. The target rf unit may be a master module antenna and an rf, such as a bluetooth antenna of the master module. The slave modules provided with the monitoring software are monitoring nodes, the slave modules can be arranged around the body of the vehicle, and the number of the slave modules can be set according to actual needs. The monitoring node is specifically configured to periodically monitor a state of a main module in the vehicle-mounted component, that is, periodically receive the broadcast signal in the main module, and further determine whether the bluetooth antenna in the main module can normally send the broadcast signal.
It should be noted that the digital key car end assembly and the mobile phone end digital key assembly are connected by a short-distance radio frequency technology, and the broadcast signal is a signal sent by the main module in the digital key car end assembly and used for communication connection with the digital key end assembly, and may include a bluetooth signal or an ultra wideband UWB signal.
In addition, the master module and the slave module in the on-board assembly in this embodiment may be integrated into the same module, or the master module and the slave module may be two physically separated modules. Specifically, when the master module and the slave module are integrated in the same module, the master module and the slave module may be located in front of the central axis inside the vehicle, when the master module and the slave module are two physically separated modules, the master module may be located in front of the central axis inside the vehicle, and the slave module may be located around the vehicle body.
Optionally, the master module and the slave module may be connected via an in-vehicle network, where the connection mode may include a local internet, a controller area network, an in-vehicle ethernet, and the like, and if the monitoring node receives the broadcast signal of the master module, the validity of the broadcast signal is determined according to comparison between data transmitted by the in-vehicle network and the broadcast signal.
And S120, if the monitoring node does not receive the broadcast signal of the main module within preset M periods, determining that the antenna of the main module has a fault, wherein M is an integer greater than or equal to 2.
When the digital key system is started or needs to be detected, the monitoring node starts to monitor the broadcast signal sent by the main module, if the monitoring node does not receive the broadcast signal sent by the main module within preset M periods, the monitoring node indicates that the antenna of the main module has a fault and cannot send the broadcast signal to be in communication connection with the digital key end assembly, and at the moment, the main module needs to be processed to enable the main module to recover to work normally. If the monitoring node receives the broadcast signals sent by the main module in M preset periods, the monitoring node indicates that the antenna of the main module has no fault and can normally send the broadcast signals, so that the digital key end component in the range receives the signals and establishes communication connection with the digital key vehicle end device. Each period may be the time taken by the master module to send a broadcast signal once, M is an integer greater than or equal to 2, that is, if the monitoring node does not receive the broadcast signal sent by the master module within preset 2 or more periods, it indicates that the antenna of the master module has a fault.
According to the technical scheme of the embodiment, the digital key system comprises a digital key end component and a vehicle end component, the vehicle end component comprises a master module and at least one slave module, the slave module is a monitoring node, the monitoring node periodically monitors a broadcast signal sent by an antenna in the master module, and if the monitoring node does not receive the broadcast signal of the master module within preset M periods, it is determined that the antenna of the master module has a fault, wherein M is an integer greater than or equal to 2. According to the method, when the digital key system is started or needs to be detected, a detection program is added, so that at least one slave module in the vehicle-end assembly periodically monitors a broadcast signal of a master module in the vehicle-end assembly, active fault judgment is carried out, and the validity of the system is verified, so that the problem that the function experience of the digital key is influenced because fault location depends on a mode that a connection device outside the system prompts that the connection is unsuccessful or a fault code extraction and other passive fault acquisition modes are relied on when a Bluetooth antenna node fails and cannot work normally in the prior art is solved, the reliability of the whole system is improved, and the user experience is improved.
Example two
Fig. 2 is a flowchart of another digital key system monitoring method according to a second embodiment of the present invention, in this embodiment, a "control master module restart" and a "monitoring node monitor a broadcast signal sent by an antenna in a master module are further added on the basis of the foregoing embodiments; and if the monitoring node does not receive the broadcast signal of the master module within the preset time, enabling the standby slave module to replace the master module to broadcast outwards. Referring to fig. 2, the method is embodied as follows:
s210, the monitoring node periodically monitors the broadcast signals sent by the antennas in the main module.
S220, if the monitoring node does not receive the broadcast signal of the main module within the preset M periods, judging that the antenna of the main module breaks down; wherein M is an integer greater than or equal to 2.
And S230, controlling the main module to restart.
Specifically, if it is determined by the monitoring node that there is a failure in the antenna of the master module, the master module is controlled to restart to determine whether the failure is caused by a problem in the broadcast signal transmission system of the master module or caused by damage or aging of the antenna in the master module.
S240, monitoring the broadcast signal sent by the antenna in the main module by the monitoring node; and if the monitoring node does not receive the broadcast signal of the master module within the preset time, starting the standby slave module to replace the master module to broadcast outwards.
Specifically, after the master module is controlled to restart, the monitoring node monitors the broadcast signal sent by the antenna in the master module again to determine whether the fault is caused by a problem occurring in the broadcast signal sending system of the master module or caused by damage or aging of the antenna in the master module, that is, the fault type. If the monitoring node does not receive the broadcast signal sent by the master module within the preset time, it indicates that the fault caused by the damage or aging of the antenna in the master module at this time cannot be repaired by controlling the restart of the master module, and a standby slave module needs to be started to replace the master module for broadcasting outwards. If the monitoring node receives the broadcast signal sent by the master module within the preset time, the fault caused by the problem of the broadcast signal sending system of the master module is indicated, the system can be reset by restarting the master module, and then the broadcast signal sending system of the master module can be recovered to be normal. The antenna in the master module can normally send the broadcast signal at this time, and the standby slave module is not required to be started to replace the master module. The preset time can be set according to needs, for example, the preset time can be 2s. After the antenna of the main module is judged to be in fault, the main module is restarted to judge the fault type of the antenna of the main module and carry out corresponding operation, and therefore waste of resources is avoided.
According to the technical scheme, when the system is started or needs to be detected, a detection program is added, the monitoring node periodically monitors a broadcast signal sent by an antenna in a main module to locate the Bluetooth digital key system antenna, a radio frequency front end and system faults, and the Bluetooth digital key system is ensured to normally work in a mode of automatically restarting or starting a standby slave module.
EXAMPLE III
Fig. 3 is a flowchart of another digital key system monitoring method according to a third embodiment of the present invention, which further adds "enable spare slave to replace master to broadcast outwards" based on the first embodiment. Referring to fig. 3, the method is embodied as follows:
and S310, the monitoring node periodically monitors the broadcast signals sent by the antennas in the main module.
S320, if the monitoring node does not receive the broadcast signal of the main module within the preset M periods, judging that the antenna of the main module breaks down; wherein M is an integer greater than or equal to 2.
And S330, enabling the standby slave module to replace the master module to broadcast outwards.
Specifically, after the monitoring node determines that the antenna of the master module has a fault, the master module may not be controlled to restart, and the standby slave module is directly enabled to replace the master module to broadcast outwards, that is, in this embodiment, the restart step may be directly skipped, and the standby slave module is directly enabled to replace the master module, so that the signal transmission time is reduced, the reaction time for reuse after the master module has a fault is prolonged, and the use experience of a user is improved.
It should be noted that the standby slave module may be a monitoring node, or the monitoring node is located in a slave module other than the standby slave module. That is to say, the monitoring node and the standby slave module may be one device integrated together, and the standby slave module is the monitoring node at this time, or the monitoring node and the standby slave module may be two devices physically separated from each other, and at this time, the standby slave module selects the slave module without the monitoring software, that is, selects the slave module other than the monitoring node as the standby slave module. In addition, the main module and the standby slave module keep basic consistency on software logic so as to be convenient for main-standby switching at any time, and the reaction time of switching is shortened.
According to the technical scheme, the detection program is added when the digital key system is started or needs to be detected, the broadcast signal sent by the antenna in the main module is periodically monitored by the monitoring node, so that the Bluetooth digital key system antenna, the radio frequency front end and the system fault are located, the normal work of the Bluetooth digital key system is ensured by directly replacing the standby slave module, the problems that in the prior art, the Bluetooth antenna node is in fault, and the fault location is not successful in prompting connection by external connection equipment of the system or passively acquires the fault by relying on fault code extraction and the like in the normal work are solved, the problem of digital key function experience is influenced, the user experience loss caused by the fault is relieved, and the reliability of the whole system is improved.
Example four
Fig. 4 is a block diagram of a digital key system monitoring device according to a fourth embodiment of the present invention, which is applicable to a situation that an antenna and a radio frequency of a digital key system cannot normally operate and only a fault can be passively acquired, and the digital key system monitoring device has a specific structure as follows:
a monitoring unit 410 for periodically monitoring a broadcast signal transmitted by an antenna in the main module;
a determining unit 420, configured to determine that an antenna of the main module fails if the broadcast signal of the main module is not received within preset M periods; wherein M is an integer greater than or equal to 2.
Specifically, the digital key system monitoring device further comprises a restarting unit and a replacing unit.
And the restarting unit is used for controlling the main module to restart after judging that the antenna of the main module has a fault.
The replacement unit comprises a first replacement subunit and a second replacement subunit;
and the first replacing subunit is used for enabling the standby slave module to replace the master module to broadcast outwards if the monitoring node does not receive the broadcast signal of the master module within the preset time after controlling the master module to restart.
And the second replacing subunit is used for enabling the standby slave module to replace the main module to broadcast outwards after judging that the antenna of the main module fails.
According to the technical scheme of the embodiment, when the system is started or needs to be detected, the monitoring unit periodically monitors the broadcast signals sent by the antenna in the main module, the judging unit does not receive the broadcast signals of the main module in preset M periods, judges that the antenna of the main module fails, and enables the device to automatically restart or start the standby slave module through the restarting unit and the replacing unit, so that the normal work of the Bluetooth digital key system is ensured, the problem that the function experience of the digital key is influenced by the mode that fault location depends on a device connected outside the system to prompt that connection is unsuccessful or depends on fault code extraction and other passive obtaining faults when a Bluetooth antenna node fails and cannot work normally in the prior art is solved, the user experience loss caused by faults is relieved, and the reliability of the whole system is improved.
EXAMPLE five
Fig. 5 is a block diagram of a digital key system monitoring device according to a fifth embodiment of the present invention, and as shown in fig. 5, the digital key system monitoring device 50 includes at least one processor 51, and a memory communicatively connected to the at least one processor 51, such as a Read Only Memory (ROM) 52, a Random Access Memory (RAM) 53, and the like, where the memory stores a computer program executable by the at least one processor, and the processor 51 may execute various suitable actions and processes according to the computer program stored in the Read Only Memory (ROM) 52 or the computer program loaded from the storage unit 58 into the Random Access Memory (RAM) 53. In the RAM 53, various programs and data required for the operation of the digital key system monitoring device 50 can also be stored. The processor 51, the ROM 52, and the RAM 53 are connected to each other via a bus 54. An input/output (I/O) interface 55 is also connected to bus 54.
A number of components in the digital key system monitoring device 50 are connected to the I/O interface 55, including: an input unit 56 such as a keyboard, a mouse, or the like; an output unit 57 such as various types of displays, speakers, and the like; a storage unit 58 such as a magnetic disk, optical disk, or the like; and a communication unit 59 such as a network card, modem, wireless communication transceiver, etc. The communication unit 59 allows the battery warming processing apparatus 50 to exchange information/data with other apparatuses through a computer network such as the internet and/or various telecommunication networks.
The processor 51 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of the processor 51 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various dedicated Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, a Digital Signal Processor (DSP), and any suitable processor, controller, microcontroller, or the like. The processor 51 performs the various methods and processes described above, such as the digital key system monitoring method.
EXAMPLE six
A sixth embodiment of the present invention further provides a storage medium containing computer-executable instructions, which when executed by a computer processor, are configured to perform a method for monitoring a digital key system, the method comprising:
the monitoring node periodically monitors the broadcast signals sent by the antennas in the main module;
if the monitoring node does not receive the broadcast signal of the main module in the preset M periods, judging that the antenna of the main module has a fault; wherein M is an integer greater than or equal to 2.
Of course, the storage medium provided by the embodiments of the present invention contains computer-executable instructions, and the computer-executable instructions are not limited to the above method operations, and may also perform related operations in the digital key system monitoring method provided by any embodiments of the present invention.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute the methods of the embodiments of the present invention.
It should be noted that, in the embodiment of the digital key system monitoring device, the units and modules included in the embodiment are only divided according to the functional logic, but are not limited to the above division as long as the corresponding functions can be realized; in addition, the specific names of the functional units are only for the convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (11)
1. The digital key system monitoring method is characterized by being used for monitoring whether the digital key system has a fault or not, wherein the digital key system comprises a digital key end component and a vehicle end component, the vehicle end component comprises a master module and at least one slave module, and the slave module is a monitoring node; the digital key system monitoring method comprises the following steps:
the monitoring node periodically monitors the broadcast signals sent by the antennas in the main module;
if the monitoring node does not receive the broadcast signal of the main module within preset M periods, judging that the antenna of the main module has a fault;
wherein M is an integer greater than or equal to 2.
2. The digital key system monitoring method according to claim 1, further comprising, after determining that the antenna of the main module is malfunctioning:
and controlling the main module to restart.
3. The digital key system monitoring method according to claim 2, further comprising, after controlling the master module to restart:
the monitoring node monitors the broadcast signals sent by the antennas in the main module;
and if the monitoring node does not receive the broadcast signal of the master module within a preset time, starting a standby slave module to replace the master module to broadcast outwards.
4. The digital key system monitoring method according to claim 1, further comprising, after determining that the antenna of the main module is malfunctioning:
enabling a spare slave to broadcast out in place of the master.
5. The digital key system monitoring method of claim 3 or 4, wherein the backup slave module is the monitoring node, or the monitoring node is located in a certain slave module outside the standby slave module.
6. The digital key system monitoring method according to claim 1, wherein the master module and the slave module are integrated in the same module, or the master module and the slave module are two physically separated modules.
7. The digital key system monitoring method of claim 1, wherein the broadcast signal comprises a bluetooth signal or an ultra-wideband UWB signal.
8. The digital key system monitoring method according to claim 1, wherein the master module and the slave module are connected through an in-vehicle network;
and if the monitoring node receives the broadcast signal of the main module, judging the validity of the broadcast signal according to the comparison between the data transmitted by the in-vehicle network and the broadcast signal.
9. A digital key system monitoring device, comprising:
the monitoring unit is used for periodically monitoring the broadcast signals sent by the antenna in the main module;
the judging unit is used for judging that the antenna of the main module breaks down if the broadcasting signal of the main module is not received in preset M periods;
wherein M is an integer greater than or equal to 2.
10. A digital key system monitoring device, comprising:
one or more processors;
a memory for storing one or more programs;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the digital key system monitoring method of any of claims 1-8.
11. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the digital key system monitoring method according to any one of claims 1 to 8.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117395615A (en) * | 2023-12-12 | 2024-01-12 | 辽宁科大物联科技有限公司 | Device and method for bluetooth stable broadcasting in vehicle system |
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