CN112810568A - Vehicle-mounted vibration monitoring method and system - Google Patents
Vehicle-mounted vibration monitoring method and system Download PDFInfo
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- CN112810568A CN112810568A CN202110130418.4A CN202110130418A CN112810568A CN 112810568 A CN112810568 A CN 112810568A CN 202110130418 A CN202110130418 A CN 202110130418A CN 112810568 A CN112810568 A CN 112810568A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 title claims abstract description 24
- 230000008569 process Effects 0.000 claims description 7
- 230000035939 shock Effects 0.000 claims description 3
- 230000007958 sleep Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 230000005059 dormancy Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 3
- KKIMDKMETPPURN-UHFFFAOYSA-N 1-(3-(trifluoromethyl)phenyl)piperazine Chemical compound FC(F)(F)C1=CC=CC(N2CCNCC2)=C1 KKIMDKMETPPURN-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002618 waking effect Effects 0.000 description 1
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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
- B60R25/30—Detection related to theft or to other events relevant to anti-theft systems
Abstract
The invention provides a vehicle-mounted vibration monitoring method and system, which are used for reducing the cost and the standby power consumption on the premise of realizing the vibration monitoring of a vehicle. The vehicle-mounted vibration monitoring method is applied to an SRS (sounding reference Signal) of an airbag controller, and comprises the following steps: when the sentinel mode is started, obtaining vehicle vibration information; when the vehicle vibration information is acquired, reporting condition judgment is carried out based on the state information of the vehicle; and if the state information of the vehicle meets the reporting condition, actively awakening the network, and executing corresponding monitoring measures based on the current vibration level of the vehicle after awakening the network.
Description
Technical Field
The invention relates to the field of automobile safety, in particular to a vehicle-mounted vibration monitoring method and a vehicle-mounted vibration monitoring system.
Background
At present, the quantity of automobile reserves in the society increases year by year, and correspondingly, the more importance of users on the safety of automobile property is higher. Especially when the parking lot or the parking space is not monitored by the camera, even if the vehicle is maliciously damaged, the vehicle is difficult to trace back to the person in charge. In the face of increasing safety complaints from users, different host plants give different answers: some new energy vehicles can change network management, after the vehicles are locked, the ultrasonic radar and the all-round-looking camera continuously work to monitor the surrounding environment of the vehicles, an alarm is sent when the moving obstacles are detected to approach, and videos are recorded to inform users; however, the scheme has large consumption on a storage battery after locking the vehicle and has great influence on the hardware service life of the controller and the sensor, so that the conventional fuel vehicle is difficult to adopt the scheme. Although the scheme solves the problem of standby power consumption, a chip is added on the basis of the original hardware because the hardware of the current controller is changed, and the cost of the vehicle is greatly influenced.
Disclosure of Invention
The invention provides a vehicle-mounted vibration monitoring method and system, which are used for reducing the cost and the standby power consumption on the premise of realizing the vibration monitoring of a vehicle.
The technical scheme of the invention is as follows:
the embodiment of the invention provides a vehicle-mounted vibration monitoring method, which is applied to an SRS (sounding reference signal) of an air bag controller and comprises the following steps:
when the sentinel mode is started, obtaining vehicle vibration information;
when the vehicle vibration information is acquired, reporting condition judgment is carried out based on the state information of the vehicle;
and if the state information of the vehicle meets the reporting condition, actively awakening the network, and executing corresponding monitoring measures based on the current vibration level of the vehicle after awakening the network.
The condition that the state information of the vehicle meets the reporting condition specifically includes:
the vehicle is in a locked state, the ignition key gear of the vehicle is in an off gear, and the residual electric quantity of the storage battery of the vehicle exceeds a set electric quantity value;
the vehicle's battery remaining capacity is the battery remaining capacity that the vehicle's battery level sensor iBS sent the last time before entering the sleep state.
The step of executing the corresponding monitoring measure based on the current vibration level of the vehicle specifically comprises the following steps:
if the current vibration intensity of the vehicle is a first preset vibration level, sending first trigger information carrying that the current vibration level of the vehicle is the first preset vibration level to a video recording device of the vehicle, so that the video recording device of the vehicle only records videos;
if the current vibration intensity of the vehicle is the second preset vibration level, sending second trigger information carrying the second preset vibration level of the current vibration level of the vehicle to a video recording device of the vehicle to record the video, and actively sending a notification to a vehicle-mounted information entertainment terminal THU after the video is recorded so as to trigger the vehicle-mounted information entertainment terminal THU to upload the video recorded by the video recording device to a server TSP, so that the server TSP performs client notification based on the uploaded video.
The vehicle vibration information acquired by the airbag controller SRS is specifically acquired by detecting vehicle vibration through each vibration sensor mounted on the airbag system.
When the video recording device carries out video recording according to the first trigger signal, if the vehicle vibration information is obtained again, the current vibration intensity of the vehicle is determined to be the first-level vibration grade based on the vehicle vibration information obtained again, and the first trigger signal is not sent to the video recording device of the vehicle;
and in the process of recording the video by the video recording device according to the second trigger signal, if the vehicle vibration information is acquired again, and the current vibration intensity of the vehicle is determined to be the second-stage vibration grade based on the acquired vehicle vibration information, not sending the second trigger signal to the video recording device of the vehicle.
Wherein the method further comprises:
and in the process of recording the video by the video recording device according to the first trigger signal, if the vehicle vibration information is acquired again, and the current vibration intensity of the vehicle is determined to be the second-stage vibration grade based on the acquired vehicle vibration information, sending a second trigger signal to the video recording device of the vehicle.
The invention also provides a vehicle-mounted vibration monitoring system, which comprises:
the system comprises an air bag controller SRS, a vehicle-mounted information entertainment terminal THU, a video recording device, a storage battery electric quantity sensor iBS and a server TSP; wherein the content of the first and second substances,
the safety airbag controller SRS, the vehicle-mounted information entertainment terminal THU, the video recording device and the storage battery electric quantity sensor iBS are respectively connected with the vehicle-mounted gateway;
the vehicle-mounted information entertainment terminal THU is connected with the video recording device through a data line, and the vehicle-mounted information entertainment terminal THU is connected with the server TSP through a mobile network.
The invention has the beneficial effects that:
the invention detects the vehicle vibration based on the SRS of all the current vehicles, not only can solve the problem of power consumption during dormancy, but also does not need to add new hardware, and has great cost advantage.
Drawings
Fig. 1 is an architecture diagram of a vehicle-mounted vibration monitoring system in the present embodiment;
fig. 2 is a flowchart of a vehicle-mounted vibration monitoring method in the present embodiment.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides a vehicle-mounted vibration monitoring system, including an airbag controller SRS, a vehicle-mounted infotainment terminal THU, a video recording device, a battery level sensor iBS, and a server TSP; the safety airbag controller SRS, the vehicle-mounted information entertainment terminal THU, the video recording device and the storage battery electric quantity sensor iBS are respectively connected with the vehicle-mounted gateway; the vehicle-mounted information entertainment terminal THU is connected with the video recording device through a data line, and the vehicle-mounted information entertainment terminal THU is connected with the server TSP through a mobile network.
When the vehicle is locked and the ignition key gear is in the OFF gear, the whole vehicle is powered OFF, and the vehicle-mounted infotainment terminal THU, the video recording device, the storage battery electric quantity sensor iBS and the vehicle-mounted gateway are in the dormant state.
When the vehicle-mounted infotainment terminal THU, the video recording device, the storage battery electric quantity sensor iBS and the vehicle-mounted gateway are in a power-on state, the storage battery electric quantity sensor iBS monitors the residual electric quantity of the storage battery of the vehicle in real time so as to transmit the real-time residual electric quantity of the storage battery out through the gateway.
In this embodiment, the video recording device may be a driving recorder provided on the vehicle or an automatic parking controller APA equipped with an image acquisition function.
Referring to fig. 2, in order to implement vehicle-mounted vibration monitoring, the overall flow of the method of the embodiment is as follows:
1) when the sentinel mode of the SRS is started, the SRS carries out vehicle vibration detection, after the vibration is detected, the SRS judges whether a reporting condition is met or not based on the state information of the vehicle, if so, the SRS actively wakes up the network and sends a trigger signal to the video recording device.
The airbag detection controller SRS carries out vehicle vibration acquisition based on a relevant vibration sensor of an existing safety airbag system mounted on a vehicle.
The opening of the sentinel mode of the airbag controller SRS is actively initiated by the user, who can turn off the sentinel mode on demand. The time for opening the sentinel mode by the user is indefinite, and when the vehicle is in a driving process, if the sentinel mode is started, the SRS of the safety airbag controller only carries out vehicle vibration acquisition at the moment, but does not carry out any processing on the SRS.
The specific steps of the airbag controller SRS judging whether the report condition is met or not based on the state information of the vehicle are as follows: whether the vehicle is in a locked state, whether the ignition key position of the vehicle is in an OFF position, and whether the remaining battery charge last sent by the battery charge sensor iBS before power-down exceeds a preset charge (e.g., 60%). If the following conditions are met: the vehicle is in a locked state, the ignition key gear of the vehicle is in an OFF gear, and the residual capacity of the storage battery exceeds 60 percent. Determining that the state information of the vehicle meets the reporting condition.
Further, when the airbag controller SRS determines that the state information of the vehicle meets the report condition, the network is actively awakened, so that the gateway, the vehicle-mounted infotainment terminal THU, the video recording device, and the battery level sensor iBS enter a power-on state.
After the network is actively awakened, the SRS controller divides the vibration level according to the detected vibration strength based on the preset vibration level, and sends different trigger information to the video recording device based on the divided vibration level.
Specifically, when the vibration intensity is determined to be a first vibration level, the SRS controller sends first trigger information carrying the vibration intensity as the first vibration level to the video recording device; and when the vibration intensity is determined to be the second vibration level, the SRS controller sends second trigger information carrying the vibration intensity to the video recording device.
2) And the automobile data recorder module starts to record the video after receiving first trigger information sent by the SRS, and only performs video recording action when receiving the first trigger information.
And the vehicle recorder module starts to record the video after receiving second trigger information sent by the SRS. And after the recording is finished, reporting notification information to the vehicle-mounted information entertainment terminal THU through the CAN network.
And the vehicle-mounted entertainment information terminal THU reports the events to the server TSP based on the notification information uploaded by the video recording device.
The server TSP determines whether a video file recorded by the video recording device needs to be pulled or not based on the current working state of the server TSP; and if the fact that the video is not required to be pulled is determined, feeding back information which does not upload the video temporarily to the vehicle-mounted information entertainment terminal THU. If the video file is required to be pulled, the server TSP further judges whether the vehicle-mounted information entertainment terminal THU is in a non-long connection state at present, and if so, feeds back information of temporarily not uploading the video to the vehicle-mounted information entertainment terminal THU; and if the vehicle-mounted information entertainment terminal THU is determined to be in the non-long connection state currently, issuing a video file pulling task to the vehicle-mounted information entertainment terminal THU.
The vehicle-mounted information entertainment terminal THU adds the video file pulling task into the task list, and sends a video file pulling instruction to the video recording device through the CAN network based on the task in the task list.
And when the video recording device receives the video file pulling instruction, judging whether the corresponding video file is stored in the storage of the video recording device, and if the corresponding video file is not stored in the storage of the video recording device, feeding back the information of the video file which is not found to the server TSP through the vehicle-mounted information entertainment terminal THU. If the video file exists, whether the video file can be transmitted or not is further judged, and if the video file cannot be transmitted, information which cannot be transmitted by the video file is fed back to the server TSP through the vehicle-mounted information entertainment terminal THU. If the video file CAN be transmitted, the vehicle-mounted information entertainment terminal THU is provided with the video file related information carrying the number, the file name and the file size of the video file to the vehicle-mounted information entertainment terminal THU through the CAN network.
And the vehicle entertainment information terminal THU determines whether the video file can be read or not based on the received video file related information, and if not, feeds back information which cannot be read to the server TSP. If so, a read video file request is sent to the video recording device via the data line based on the TFTP protocol.
The video recording device transmits a corresponding video file to the in-vehicle infotainment terminal THU through a data line (USB line) based on the TFTP protocol according to the read video file request.
The vehicle-mounted information entertainment terminal THU judges whether the current state of the THU supports uploading of the video file. And if so, sending the received video file to the server TSP. And if not, feeding back information which does not support the uploading of the video file to the vehicle-mounted information entertainment terminal THU of the server TSP.
And after receiving the corresponding video file, the TSP caches the video file and sends the URL address storing the video file to the client.
The client downloads the video file based on the URL address, and feeds back the information of the receiving error to the server TSP when the file receiving fails. And when the receiving is successful, feeding back a message of successful receiving to the server TSP.
And the server TSP feeds back the information which is successfully received by the client to the vehicle-mounted information entertainment terminal THU based on the information which is successfully received, so that the vehicle-mounted information entertainment terminal THU triggers dormancy. The vehicle-mounted infotainment terminal THU, the storage battery electric quantity controller iBS, the video recording device and the gateway are all in a dormant state.
In this embodiment, the posture of the dormant vehicle body is continuously monitored by the airbag controller SRS, and the problem of power supply to the airbag controller SRS when the ignition key is in the OFF gear is firstly solved. At present, basically all the SRS (airbag controllers) are not powered normally, so that the SRS cannot work under the locking working condition, if the SRS detects vibration through the SRS, the power supply scheme is firstly changed, weak current can be supplied to the SRS of the airbag sensor when the ignition key is in an OFF gear, and meanwhile, the SRS of the airbag controller is brought into a link of power management, so that the normal dormancy of the whole vehicle is ensured.
The problem of power supply is solved, and then the problem of the SRS sensitivity of the safety airbag controller is solved. Due to the fact that the sensitivity is too high, when the sentinel mode function of the SRS is started, a certain false alarm can be generated, the user is disturbed, and if the sensitivity is too low, the necessary vibration information can be missed. In order to reduce the annoyance caused by false alarm, the following method can be used:
1. a switch in sentinel mode is provided which can be closed when the user does not require parking monitoring.
2. And setting the alarm level of the vibration intensity, only waking up the network when detecting that the current true intensity is the preset first vibration level, and recording the video. When the vibration intensity is the second-level vibration level of the popular river, triggering a second-level alarm, and further triggering the vehicle-mounted information entertainment terminal THU and the server TSP to push the recorded video to the client after the video recording is finished by the video recording device.
When a user opens the sentry mode, frequent triggering of alarm and network awakening still leads to complete vehicle feeding and incapability of ignition, so that a lower limit value of the residual electric quantity of the storage battery when the sentry mode function is opened is necessary to be set, and when the residual electric quantity value of the storage battery sent from the bus is smaller than the lower limit value, the start of the monitoring function of the sentry mode of the airbag controller SRS should be limited.
The sentry mode function has certain timeliness requirements, namely when the SRS controller detects a vibration signal and judges that a user needs to be informed, the recorded video needs to be rapidly pushed to the user. Therefore, in the embodiment, a link from the vehicle end to the cloud end and then to the mobile phone end of the user is adopted, so that the message and the video can be smoothly transmitted to the user. In one scheme of the embodiment, the video of the automobile data recorder can be transmitted to a vehicle-mounted module of the vehicle-mounted infotainment terminal THU through a USB (universal serial bus) line, the vehicle-mounted module of the vehicle-mounted infotainment terminal THU is internally transmitted to a T-BOX (terminal BOX) module of the vehicle-mounted infotainment terminal THU, the T-BOX of the vehicle-mounted infotainment terminal THU can transmit sentinel event information and video files to a cloud through 4G data or 5G data, the cloud sends a message again to inform a user, the message can contain a video link URL, and the user can check and store the video by clicking the link URL.
Triggering the sentry mode, recording the video as required and uploading the video to the cloud, and then enabling all other network management nodes except the SRS to enter a dormant state again so as to prevent excessive consumption of the electric quantity of the storage battery. Meanwhile, in the process of video recording, if the vibration signals with the same level are received again, a new recording round is not required to be started. But if a secondary shock is detected during the primary shock activated recording, a new recording round should be started.
The method detects the vehicle vibration based on the SRS of all the current vehicles, not only can solve the problem of power consumption during dormancy, but also does not need to add new hardware, and has great cost advantage.
The embodiments described above describe only some of the one or more embodiments of the present invention, but those skilled in the art will recognize that the invention can be embodied in many other forms without departing from the spirit or scope thereof. Accordingly, the present examples and embodiments are to be considered as illustrative and not restrictive, and various modifications and substitutions may be made therein without departing from the spirit and scope of the present invention as defined by the appended claims.
Claims (7)
1. A vehicle-mounted vibration monitoring method is applied to an SRS (sounding reference Signal) controller and is characterized by comprising the following steps:
when the sentinel mode is started, obtaining vehicle vibration information;
when the vehicle vibration information is acquired, reporting condition judgment is carried out based on the state information of the vehicle;
and if the state information of the vehicle meets the reporting condition, actively awakening the network, and executing corresponding monitoring measures based on the current vibration level of the vehicle after awakening the network.
2. The method according to claim 1, wherein the condition that the state information of the vehicle satisfies the report condition specifically includes:
the vehicle is in a locked state, the ignition key gear of the vehicle is in an off gear, and the residual electric quantity of the storage battery of the vehicle exceeds a set electric quantity value;
the vehicle's battery remaining capacity is the battery remaining capacity that the vehicle's battery level sensor iBS sent the last time before entering the sleep state.
3. The method according to claim 1, wherein the step of performing the corresponding monitoring measure based on the current vibration level of the vehicle specifically comprises:
if the current vibration intensity of the vehicle is a first preset vibration level, sending first trigger information carrying that the current vibration level of the vehicle is the first preset vibration level to a video recording device of the vehicle, so that the video recording device of the vehicle only records videos;
if the current vibration intensity of the vehicle is the second preset vibration level, sending second trigger information carrying the second preset vibration level of the current vibration level of the vehicle to a video recording device of the vehicle to record the video, and actively sending a notification to a vehicle-mounted information entertainment terminal THU after the video is recorded so as to trigger the vehicle-mounted information entertainment terminal THU to upload the video recorded by the video recording device to a server TSP, so that the server TSP performs client notification based on the uploaded video.
4. The method according to claim 1, characterized in that the vehicle vibration information acquired by the airbag controller SRS is obtained by detecting vehicle vibration through vibration sensors mounted in the airbag system.
5. The method of claim 3, further comprising:
in the process of recording a video by the video recording device according to the first trigger signal, if the vehicle vibration information is obtained again, and the current vibration intensity of the vehicle is determined to be the first-level vibration grade based on the vehicle vibration information obtained again, the first trigger signal is not sent to the video recording device of the vehicle;
and in the process of recording the video by the video recording device according to the second trigger signal, if the vehicle vibration information is acquired again, and the current vibration intensity of the vehicle is determined to be the second-stage vibration grade based on the acquired vehicle vibration information, not sending the second trigger signal to the video recording device of the vehicle.
6. The method according to claim 3 or 5, characterized in that the method further comprises:
and in the process of recording the video by the video recording device according to the first trigger signal, if the vehicle vibration information is acquired again, and the current vibration intensity of the vehicle is determined to be the second-stage vibration grade based on the acquired vehicle vibration information, sending a second trigger signal to the video recording device of the vehicle.
7. An on-vehicle shock monitoring system, comprising:
the system comprises an air bag controller SRS, a vehicle-mounted information entertainment terminal THU, a video recording device, a storage battery electric quantity sensor iBS and a server TSP; wherein the content of the first and second substances,
the safety airbag controller SRS, the vehicle-mounted information entertainment terminal THU, the video recording device and the storage battery electric quantity sensor iBS are respectively connected with the vehicle-mounted gateway;
the vehicle-mounted information entertainment terminal THU is connected with the video recording device through a data line, and the vehicle-mounted information entertainment terminal THU is connected with the server TSP through a mobile network.
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| CN202110130418.4A CN112810568A (en) | 2021-01-29 | 2021-01-29 | Vehicle-mounted vibration monitoring method and system |
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