CN111246087A - Motor vehicle video recording controller, motor vehicle video recording control system and method - Google Patents
Motor vehicle video recording controller, motor vehicle video recording control system and method Download PDFInfo
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- CN111246087A CN111246087A CN202010028503.5A CN202010028503A CN111246087A CN 111246087 A CN111246087 A CN 111246087A CN 202010028503 A CN202010028503 A CN 202010028503A CN 111246087 A CN111246087 A CN 111246087A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 171
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000013500 data storage Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/66—Remote control of cameras or camera parts, e.g. by remote control devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
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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
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/188—Capturing isolated or intermittent images triggered by the occurrence of a predetermined event, e.g. an object reaching a predetermined position
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
Abstract
The embodiment of the invention provides a motor vehicle video controller, a motor vehicle video control system and a motor vehicle video control method, wherein the motor vehicle video controller is connected with a video collector of a motor vehicle, and the motor vehicle video controller comprises the following steps: the monitoring module is used for monitoring the state of the motor vehicle braking system in real time after the motor vehicle enters a running state so as to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity; the data memory is prestored with a brake intensity threshold value and a brake intensity change rate threshold value; and the data comparison module is used for comparing the braking strength monitoring value and the braking strength change rate monitoring value with the braking strength threshold value and the braking strength change rate threshold value, and outputting a starting signal for controlling the video collector to start when the braking strength monitoring value and the braking strength change rate monitoring value are respectively greater than or equal to the braking strength threshold value and the braking strength change rate threshold value. This embodiment can be timely start video collector and gather the image.
Description
Technical Field
The embodiment of the invention relates to the technical field of auxiliary driving of motor vehicles, in particular to a motor vehicle video recording controller, a motor vehicle video recording control system and a motor vehicle video recording control method.
Background
The existing motor vehicle usually needs to acquire video images of the surrounding environment of the motor vehicle in a normal driving state and an emergency state respectively through a vehicle data recorder. However, the existing vehicle event data recorder is usually started or manually started when a vehicle collision is monitored by using a CAN network of a vehicle, and the triggering condition is relatively narrow, if the vehicle is in an emergency state at the moment, for example: when the driver can not manually start, the automobile data recorder can not collect video images, and the video images can not be collected timely, so that the user experience is influenced.
Disclosure of Invention
The technical problem to be solved by the embodiment of the invention is to provide a video recording controller for a motor vehicle, wherein the motor vehicle can acquire video images under more emergency conditions.
The technical problem to be solved by the embodiment of the invention is to provide a video recording control system for a motor vehicle, wherein the motor vehicle can acquire video images under more emergency conditions.
The embodiment of the invention further aims to solve the technical problem of providing a motor vehicle video recording control method, so that a motor vehicle can acquire video images under more emergency conditions.
In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a motor vehicle video recording controller is connected with a video collector of a motor vehicle, and comprises:
the monitoring module is used for monitoring the state of the motor vehicle braking system in real time after the motor vehicle enters a running state so as to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity of the motor vehicle braking system;
the data memory is prestored with a brake intensity threshold value and a brake intensity change rate threshold value; and
and the data comparison module is connected with the monitoring module, the data storage and the video collector and used for correspondingly comparing the braking strength monitoring value and the braking strength change rate monitoring value with a preset braking strength threshold value and a preset braking strength change rate threshold value, and outputting a starting signal for controlling the video collector to start when the braking strength monitoring value is greater than or equal to the braking strength threshold value and the braking strength change rate monitoring value is greater than or equal to the braking strength change rate threshold value.
Further, the monitoring module comprises:
the intensity monitoring unit is used for detecting the braking intensity of a motor vehicle braking system in real time and outputting a braking intensity monitoring value after the motor vehicle enters a running state; and
and the intensity change rate calculating unit is connected with the intensity monitoring unit and is used for calculating and outputting the brake intensity change rate monitoring value of the motor vehicle brake system in real time according to the variation of the brake intensity monitoring value output by the intensity monitoring unit in a preset time length.
Further, the monitoring module further comprises:
and the vehicle speed monitoring unit is connected with the intensity monitoring unit and the data memory and is used for monitoring the running speed of the motor vehicle in real time and starting the intensity monitoring unit when the measured running speed of the motor vehicle is greater than or equal to a vehicle speed threshold value prestored in the data memory.
On the other hand, in order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a motor vehicle video control system comprises a video collector of a motor vehicle and a motor vehicle video controller connected with the video collector, wherein the motor vehicle video controller is any one of the motor vehicle video controllers.
Furthermore, the video collector is a vehicle event data recorder.
In another aspect, to solve the above technical problem, an embodiment of the present invention provides the following technical solutions: a motor vehicle video recording control method comprises the following steps:
monitoring, namely monitoring the state of a motor vehicle braking system in real time after the motor vehicle enters a running state to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity of the motor vehicle braking system; and
and a comparison step, wherein the brake intensity monitoring value and the brake intensity change rate monitoring value are correspondingly compared with a prestored brake intensity threshold value and a prestored brake intensity change rate threshold value, and a starting signal for controlling the video collector to start is output when the brake intensity monitoring value is greater than or equal to the brake intensity threshold value and the brake intensity change rate monitoring value is greater than or equal to the brake intensity change rate threshold value.
Further, the monitoring step includes:
the intensity monitoring substep, after the motor vehicle enters the driving state, detect the brake intensity of the motor vehicle braking system in real time and output the monitoring value of the brake intensity of the motor vehicle braking system in real time after the motor vehicle enters the driving state; and
and a strength change rate calculating substep, calculating and outputting a brake strength change rate monitoring value of the motor vehicle brake system in real time according to the variation of the brake strength monitoring value within a preset time period.
Further, the monitoring step further comprises the following steps performed before the intensity monitoring sub-step:
and the vehicle speed monitoring substep is used for monitoring the running speed of the motor vehicle in real time and executing the intensity monitoring substep when the measured running speed of the motor vehicle is greater than or equal to a pre-stored vehicle speed threshold value.
Furthermore, the video collector is a vehicle event data recorder.
After the technical scheme is adopted, the embodiment of the invention at least has the following beneficial effects: the embodiment of the invention monitors the state of the motor vehicle braking system in real time through the monitoring module after the motor vehicle enters the running state so as to output a braking strength monitoring value reflecting the braking strength of the motor vehicle braking system and a braking strength change rate monitoring value reflecting the change speed of the braking strength of the motor vehicle braking system, the data comparison module correspondingly compares the braking strength monitoring value and the braking strength change rate monitoring value with a braking strength threshold value and a braking strength change rate threshold value prestored in the data memory, and outputs a starting signal for controlling the video collector to start when the braking strength monitoring value is greater than or equal to the braking strength threshold value and the braking strength change rate monitoring value is greater than or equal to the braking strength change rate threshold value, and the states of the braking strength monitoring value and the braking strength change rate monitoring value of the motor vehicle braking system are monitored in real time, when the braking strength and the braking strength change rate of a braking system of the motor vehicle exceed preset threshold values, for example, states of sudden braking and the like, the video collector is started to collect images, the triggering range is relatively wider, and the video images can be collected timely.
Drawings
FIG. 1 is a schematic block diagram of an alternative embodiment of a vehicle video recording control system according to the present invention.
FIG. 2 is a schematic block diagram of a monitoring module in an alternative embodiment of the vehicle video controller of the present invention.
FIG. 3 is a flowchart illustrating steps of an alternative embodiment of a video recording control method for a vehicle according to the present invention.
Fig. 4 is a detailed flowchart of step S1 of an alternative embodiment of the video recording control method for a motor vehicle according to the present invention.
Detailed Description
The present application will now be described in further detail with reference to the accompanying drawings and specific examples. It should be understood that the following illustrative embodiments and description are only intended to explain the present invention, and are not intended to limit the present invention, and features of the embodiments and examples in the present application may be combined with each other without conflict.
As shown in fig. 1, an alternative embodiment of the present invention provides a video recording controller 1 for a motor vehicle, connected to a video collector 3 of the motor vehicle, including:
the monitoring module 10 is used for monitoring the state of the motor vehicle braking system in real time after the motor vehicle enters a running state so as to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity of the motor vehicle braking system;
a data memory 12 in which a braking intensity threshold value and a braking intensity change rate threshold value are prestored; and
and the data comparison module 14 is connected with the monitoring module 10, the data storage 12 and the video collector 3 and used for correspondingly comparing the braking strength monitoring value and the braking strength change rate monitoring value with a prestored braking strength threshold value and a prestored braking strength change rate threshold value, and outputting a starting signal for controlling the video collector 3 to start when the braking strength monitoring value is greater than or equal to the braking strength threshold value and the braking strength change rate monitoring value is greater than or equal to the braking strength change rate threshold value.
In the embodiment of the invention, after the motor vehicle enters a running state, the monitoring module 10 monitors the state of the motor vehicle braking system in real time to output a braking strength monitoring value reflecting the braking strength of the motor vehicle braking system and a braking strength change rate monitoring value reflecting the change speed of the braking strength of the motor vehicle braking system, the data comparison module 14 correspondingly compares the braking strength monitoring value and the braking strength change rate monitoring value with a braking strength threshold value and a braking strength change rate threshold value prestored in the data storage 12, and outputs a starting signal for controlling the video collector 3 to start when the braking strength monitoring value is greater than or equal to the braking strength threshold value and the braking strength change rate monitoring value is greater than or equal to the braking strength change rate threshold value, and the states of the braking strength monitoring value and the braking strength change rate monitoring value of the motor vehicle braking system are monitored in real time, when the braking strength and the braking strength change rate of a braking system of the motor vehicle exceed preset threshold values, for example, states such as sudden braking, the video collector 3 is started to collect images, the triggering range is relatively wider, and the video images can be collected in time. In specific implementation, it can be understood that the data comparison module 14 is implemented by a common data processing chip such as a single chip microcomputer; in addition, the braking intensity of the vehicle braking system specifically refers to the ratio of the deceleration of the vehicle during braking to the gravitational acceleration.
In yet another alternative embodiment of the present invention, as shown in fig. 2, the monitoring module 10 includes:
the intensity monitoring unit 101 is used for detecting the brake intensity of a motor vehicle brake system in real time and outputting a brake intensity monitoring value after the motor vehicle enters a running state; and
and the strength change rate calculating unit 103 is connected with the strength monitoring unit 101 and is used for calculating and outputting the braking strength change rate monitoring value of the motor vehicle braking system in real time according to the variation of the braking strength monitoring value output by the strength monitoring unit 101 in a preset time length.
According to the embodiment of the invention, the intensity monitoring unit 101 is used for detecting the braking intensity of the motor vehicle braking system in real time and outputting the monitoring value of the braking intensity after the motor vehicle enters the running state, the intensity change rate calculating unit 103 is used for calculating and outputting the monitoring value of the braking intensity change rate of the motor vehicle braking system in real time according to the variation of the monitoring value of the braking intensity output by the intensity monitoring unit within the preset time, the monitoring efficiency is high, and the braking intensity change rate of the motor vehicle can be effectively realized when the motor vehicle is in the states of sudden braking and the like.
In another alternative embodiment of the present invention, as shown in fig. 2, the monitoring module 10 further includes:
and a vehicle speed monitoring unit 105, connected to the intensity monitoring unit 101 and the data storage 12, for monitoring the driving speed of the vehicle in real time and activating the intensity monitoring unit 101 when the measured driving speed of the vehicle is greater than or equal to a vehicle speed threshold value pre-stored in the data storage 12.
The embodiment of the invention also monitors the running speed of the motor vehicle in real time through the vehicle speed monitoring unit 105 and starts the strength monitoring unit 101 when the measured running speed of the motor vehicle is greater than or equal to the pre-stored vehicle speed threshold value, so that the strength monitoring unit 101 monitors the strength of the motor vehicle braking system and outputs a braking strength monitoring value, and the braking strength monitoring is carried out only when the motor vehicle reaches the preset vehicle speed, thereby avoiding uninterrupted detection and being beneficial to reducing power consumption.
In specific implementation, the braking strength change rate and the vehicle speed threshold value can be set before the motor vehicle video controller is produced and delivered from a factory or set by a user.
On the other hand, as shown in fig. 1, an embodiment of the present invention provides a motor vehicle video recording control system, including a video collector 3 of a motor vehicle and a motor vehicle video recording controller 1 connected to the video collector 3, where the motor vehicle video recording controller 1 is a motor vehicle video recording controller as described in any one of the above. By adopting the motor vehicle video recording controller 1, the motor vehicle can acquire video images under more emergency conditions.
In an optional embodiment of the present invention, the video collector 3 is a car recorder. The video collector 3 of the embodiment of the invention directly adopts the automobile data recorder and the existing devices of the motor vehicle, which is beneficial to improving the optimized layout and effectively collecting the video images of the surrounding environment of the motor vehicle.
In another aspect, as shown in fig. 3, an embodiment of the present invention provides a method for controlling video recording of a motor vehicle, including the following steps:
s1: monitoring, namely monitoring the state of a motor vehicle braking system in real time after the motor vehicle enters a running state to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity of the motor vehicle braking system; and
s2: and a comparison step, wherein the braking intensity monitoring value and the braking intensity change rate monitoring value are correspondingly compared with a prestored braking intensity threshold value and a prestored braking intensity change rate threshold value, and a starting signal for controlling the video collector 3 to start is output when the braking intensity monitoring value is greater than or equal to the braking intensity threshold value and the braking intensity change rate monitoring value is greater than or equal to the braking intensity change rate threshold value.
Through the method, the embodiment of the invention monitors the state of the motor vehicle braking system in real time after the motor vehicle enters the running state to output a braking strength monitoring value reflecting the braking strength of the motor vehicle braking system and a braking strength change rate monitoring value reflecting the change speed of the braking strength of the motor vehicle braking system, correspondingly compares the braking strength monitoring value and the braking strength change rate monitoring value with a preset braking strength threshold value and a preset braking strength change rate threshold value, outputs a starting signal for starting the video collector 3 when the braking strength monitoring value is greater than or equal to the braking strength threshold value and the braking strength change rate monitoring value is greater than or equal to the braking strength change rate threshold value, and when the braking strength and the braking strength change rate of the motor vehicle braking system exceed the prestored threshold value through monitoring the braking strength monitoring value and the braking strength change rate monitoring value state of the motor vehicle braking system in real time, for example, in the states of sudden braking and the like, the video collector 3 is started to collect images, the triggering range is relatively wider, and the video images can be collected in time.
In an alternative embodiment of the present invention, as shown in fig. 4, the step S1 specifically includes:
s11: the intensity monitoring substep, after the motor vehicle enters the driving state, detect the brake intensity of the motor vehicle braking system in real time and output the monitoring value of the brake intensity of the motor vehicle braking system in real time after the motor vehicle enters the driving state; and
s12: and a strength change rate calculating substep, calculating and outputting a brake strength change rate monitoring value of the motor vehicle brake system in real time according to the variation of the brake strength monitoring value within a preset time period.
According to the embodiment of the invention, by the method, the brake intensity of the motor vehicle brake system is detected in real time and the brake intensity monitoring value is output after the motor vehicle enters the running state, then the brake intensity change rate monitoring value of the motor vehicle brake system is calculated and output in real time according to the variation of the brake intensity monitoring value output by the intensity monitoring unit within the preset time, the monitoring efficiency is high, and the angle and the angular speed of the motor vehicle steering wheel can be effectively controlled when the motor vehicle is in a sharp turning state and the like.
In yet another alternative embodiment of the present invention, the step S1 further includes the following steps performed before the intensity monitoring sub-step:
and the vehicle speed monitoring substep is used for monitoring the running speed of the motor vehicle in real time and executing the intensity monitoring substep when the measured running speed of the motor vehicle is greater than or equal to a pre-stored vehicle speed threshold value.
The embodiment of the invention also monitors the running speed of the motor vehicle in real time and executes the intensity monitoring substep when the measured running speed of the motor vehicle is greater than or equal to the pre-stored vehicle speed threshold value through the method, thereby monitoring the intensity of the motor vehicle braking system and outputting the braking intensity monitoring value, and the braking intensity monitoring is carried out only when the motor vehicle reaches the preset vehicle speed, thereby avoiding uninterrupted detection and being beneficial to reducing power consumption.
In another optional embodiment of the present invention, the video collector 3 is a car recorder. The video collector 3 of the embodiment of the invention directly adopts the automobile data recorder and the existing devices of the motor vehicle, which is beneficial to improving the optimized layout and effectively collecting the video images of the surrounding environment of the motor vehicle.
The functions described in the embodiments of the present invention may be stored in a storage medium readable by a computing device if they are implemented in the form of software functional modules or units and sold or used as independent products. Based on such understanding, part of the contribution of the embodiments of the present invention to the prior art or part of the technical solution may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computing device (which may be a personal computer, a server, a mobile computing device, a network device, or the like) to execute all or part of the steps of the method described in the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same or similar parts among the embodiments are referred to each other.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. The utility model provides a motor vehicle video controller, links to each other with the video collector of motor vehicle which characterized in that, motor vehicle video controller includes:
the monitoring module is used for monitoring the state of the motor vehicle braking system in real time after the motor vehicle enters a running state so as to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity of the motor vehicle braking system;
the data memory is prestored with a brake intensity threshold value and a brake intensity change rate threshold value; and
and the data comparison module is connected with the monitoring module, the data memory and the video collector and used for correspondingly comparing the braking strength monitoring value and the braking strength change rate monitoring value with a prestored braking strength threshold value and a prestored braking strength change rate threshold value, and outputting a starting signal for controlling the video collector to start when the braking strength monitoring value is greater than or equal to the braking strength threshold value and the braking strength change rate monitoring value is greater than or equal to the braking strength change rate threshold value.
2. The vehicle video record controller of claim 1 wherein said monitoring module comprises:
the intensity monitoring unit is used for detecting the braking intensity of a motor vehicle braking system in real time and outputting a braking intensity monitoring value after the motor vehicle enters a running state; and
and the intensity change rate calculating unit is connected with the intensity monitoring unit and is used for calculating and outputting the brake intensity change rate monitoring value of the motor vehicle brake system in real time according to the variation of the brake intensity monitoring value output by the intensity monitoring unit in a preset time length.
3. The vehicle video record controller of claim 2 wherein said monitoring module further comprises:
and the vehicle speed monitoring unit is connected with the intensity monitoring unit and the data memory and is used for monitoring the running speed of the motor vehicle in real time and starting the intensity monitoring unit when the measured running speed of the motor vehicle is greater than or equal to a vehicle speed threshold value prestored in the data memory.
4. A motor vehicle video control system comprises a video collector of a motor vehicle and a motor vehicle video controller connected with the video collector, and is characterized in that the motor vehicle video controller is the motor vehicle video controller as claimed in any one of claims 1 to 3.
5. The vehicle video recording control system of claim 4, wherein the video collector is a tachograph.
6. A method for controlling video recording in a motor vehicle, said method comprising the steps of:
monitoring, namely monitoring the state of a motor vehicle braking system in real time after the motor vehicle enters a running state to output a braking intensity monitoring value reflecting the braking intensity of the motor vehicle braking system and a braking intensity change rate monitoring value reflecting the change speed of the braking intensity of the motor vehicle braking system; and
and a comparison step, wherein the braking intensity monitoring value and the braking intensity change rate monitoring value are correspondingly compared with a preset braking intensity threshold value and a preset braking intensity change rate threshold value, and a starting signal for controlling the video collector to start is output when the braking intensity monitoring value is greater than or equal to the braking intensity threshold value and the braking intensity change rate monitoring value is greater than or equal to the braking intensity change rate threshold value.
7. The vehicle video recording control method according to claim 6, wherein said monitoring step comprises:
the intensity monitoring substep, after the motor vehicle enters the driving state, detect the brake intensity of the motor vehicle braking system in real time and output the monitoring value of the brake intensity of the motor vehicle braking system in real time after the motor vehicle enters the driving state; and
and a strength change rate calculating substep, calculating and outputting a brake strength change rate monitoring value of the motor vehicle brake system in real time according to the variation of the brake strength monitoring value within a preset time period.
8. The motor vehicle video recording control method according to claim 7, wherein said monitoring step further comprises the step of, prior to said intensity monitoring sub-step:
and the vehicle speed monitoring substep is used for monitoring the running speed of the motor vehicle in real time and executing the intensity monitoring substep when the measured running speed of the motor vehicle is greater than or equal to a pre-stored vehicle speed threshold value.
9. The vehicle video recording control method according to claim 6, wherein the video collector is a car recorder.
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| CN202010028503.5A CN111246087A (en) | 2020-01-11 | 2020-01-11 | Motor vehicle video recording controller, motor vehicle video recording control system and method |
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