CN111246086A - 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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- CN111246086A CN111246086A CN202010028485.0A CN202010028485A CN111246086A CN 111246086 A CN111246086 A CN 111246086A CN 202010028485 A CN202010028485 A CN 202010028485A CN 111246086 A CN111246086 A CN 111246086A
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims abstract description 164
- 238000013500 data storage Methods 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (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 steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotating angle of the steering wheel of the motor vehicle and an angular speed monitoring value reflecting the change speed of the rotating angle of the steering wheel of the motor vehicle; a data memory in which an angle threshold and an angular velocity threshold are prestored; and the data comparison module is used for correspondingly comparing the angle monitoring value and the angular velocity monitoring value with a prestored angle threshold value and angular velocity threshold value, and controlling the video collector to start when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value. According to the embodiment, when the angle and the angular speed of the steering wheel of the motor vehicle are judged to exceed the preset threshold values, for example, the state of sharp turning and the like, video images can be collected timely.
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 steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotating angle of the steering wheel of the motor vehicle and an angular speed monitoring value reflecting the change speed of the rotating angle of the steering wheel of the motor vehicle;
a data memory in which an angle threshold and an angular velocity threshold are prestored; and
and the data comparison module is connected with the monitoring module, the data storage and the video collector and is used for correspondingly comparing the angle monitoring value and the angular velocity monitoring value with a prestored angle threshold value and angular velocity threshold value, and controlling the video collector to start when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value.
Further, the monitoring module comprises:
the angle monitoring unit is used for detecting the rotation angle of a steering wheel of the motor vehicle in real time and outputting an angle monitoring value after the motor vehicle enters a running state; and
and the angular velocity calculating unit is connected with the angle monitoring unit and is used for calculating and outputting the angular velocity monitoring value of the steering wheel of the motor vehicle in real time according to the variable quantity of the angle monitoring value output by the angle monitoring unit in the preset time length.
Further, the monitoring module further comprises:
and the vehicle speed monitoring unit is connected with the angle monitoring unit and the data memory and is used for monitoring the running speed of the motor vehicle in real time and starting the angle 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 steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotation angle of the steering wheel of the motor vehicle and an angular velocity monitoring value reflecting the change speed of the rotation angle of the steering wheel of the motor vehicle; and a comparison step, wherein the angle monitoring value and the angular velocity monitoring value are correspondingly compared with a prestored angle threshold value and an angular velocity threshold value, and the angle monitoring value is greater than or equal to the angle threshold value, and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value to output a starting signal for controlling the video collector to start.
Further, the monitoring step includes:
an angle monitoring substep, detecting the rotation angle of a steering wheel of the motor vehicle in real time after the motor vehicle enters a running state and outputting an angle monitoring value; and
and the angular velocity calculating substep is used for calculating and outputting the angular velocity monitoring value of the steering wheel of the motor vehicle in real time according to the variable quantity of the angle monitoring value in the preset time length.
Further, the monitoring step further comprises the following steps performed before the angle 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 angle 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 steering wheel of the motor vehicle in real time through the monitoring module after the motor vehicle enters the running state so as to output an angle monitoring value reflecting the rotation angle of the steering wheel of the motor vehicle and an angular speed monitoring value reflecting the change speed of the rotation angle of the steering wheel of the motor vehicle, the data comparison module correspondingly compares the angle monitoring value and the angular speed monitoring value with an angle threshold value and an angular speed threshold value in a data memory, and outputs a starting signal for controlling the video collector to start when the angle monitoring value is greater than or equal to the angle threshold value and the angular speed monitoring value is greater than or equal to the angular speed threshold value, and the video collector is started to collect images through the real-time monitoring of the state of the angle and the angular speed of the steering wheel of the motor vehicle when the angle and the angular speed of the steering wheel of the motor vehicle are judged to exceed the preset threshold value, such as the state of, the trigger range is relatively wider, and video images can be collected in time.
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 steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotating angle of the steering wheel of the motor vehicle and an angular speed monitoring value reflecting the change speed of the rotating angle of the steering wheel of the motor vehicle;
a data memory 12 in which an angle threshold and an angular velocity threshold 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 is used for correspondingly comparing the angle monitoring value and the angular velocity monitoring value with a prestored angle threshold value and angular velocity threshold value, and outputting a starting signal for controlling the video collector 3 to start when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value.
In the embodiment of the invention, the state of the steering wheel of the motor vehicle is monitored in real time through the monitoring module 10 after the motor vehicle enters the running state so as to output an angle monitoring value reflecting the rotation angle of the steering wheel of the motor vehicle and an angular velocity monitoring value reflecting the change speed of the rotation angle of the steering wheel of the motor vehicle, the data comparison module 14 correspondingly compares the angle monitoring value and the angular velocity monitoring value with an angle threshold value and an angular velocity threshold value prestored in the data memory 12, and outputs a starting signal for controlling the video collector to start when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value, and the video collector 3 is started to collect images when the angle and the angular velocity of the steering wheel of the motor vehicle are judged to exceed the preset threshold values, such as sharp turns and the like through the states of the angle and the angular velocity of the steering wheel of the motor vehicle monitored in, the trigger range is relatively wider, and 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.
In yet another alternative embodiment of the present invention, as shown in fig. 2, the monitoring module 10 includes:
the angle monitoring unit 101 is used for detecting the rotation angle of a steering wheel of the motor vehicle in real time and outputting an angle monitoring value after the motor vehicle enters a running state; and
and the angular velocity calculating unit 103 is connected with the angle monitoring unit 101 and is used for calculating and outputting the angular velocity monitoring value of the steering wheel of the motor vehicle in real time according to the variation of the angle monitoring value output by the angle monitoring unit within the preset time length.
According to the embodiment of the invention, the angle monitoring unit 101 monitors the angle of the steering wheel of the motor vehicle in real time and outputs the angle monitoring value after the motor vehicle enters the running state, meanwhile, the angular velocity calculating unit 103 calculates and outputs the angular velocity monitoring value of the steering wheel of the motor vehicle according to the variation of the angle monitoring value output by the angle monitoring unit in a preset time length in real time, the monitoring efficiency is high, and the angle and the angular velocity of the steering wheel of the motor vehicle can be effectively monitored when the motor vehicle is in a sharp turning state and the like.
In yet 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 angle monitoring unit 101 and the data storage 12, for monitoring the driving speed of the vehicle in real time and starting the angle 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.
In the embodiment of the invention, the running speed of the motor vehicle is monitored in real time by the vehicle speed monitoring unit 105, and the angle monitoring unit 101 is started when the measured running speed of the motor vehicle is greater than or equal to the vehicle speed threshold value prestored in the data memory 12, so that the angle monitoring unit 101 monitors the angle of the steering wheel of the motor vehicle and outputs an angle monitoring value, the angle monitoring is carried out only when the motor vehicle reaches the prestored vehicle speed threshold value, the uninterrupted detection is avoided, and the power consumption is reduced.
In specific implementation, the angle threshold, the angular velocity threshold and the vehicle speed threshold may be set before the vehicle video controller is produced and delivered from a factory or set by a user.
On the other hand, as shown in fig. 1, 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 3 of a motor vehicle and a motor vehicle video controller 5 connected with the video collector 3, wherein the motor vehicle video controller 5 is any one of the motor vehicle video controllers. 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 further provides a method for controlling video recording of a motor vehicle, including the following steps:
s1: monitoring, namely monitoring the state of a steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotation angle of the steering wheel of the motor vehicle and an angular velocity monitoring value reflecting the change speed of the rotation angle of the steering wheel of the motor vehicle; and
s2: and a comparison step, wherein the angle monitoring value and the angular velocity monitoring value are correspondingly compared with a prestored angle threshold value and angular velocity threshold value, and a starting signal for controlling the video collector 3 to start is output when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value.
Through the method, the state of the steering wheel of the motor vehicle is monitored in real time after the motor vehicle enters the running state so as to output an angle monitoring value reflecting the rotation angle of the steering wheel of the motor vehicle and an angular velocity monitoring value reflecting the change speed of the rotation angle of the steering wheel of the motor vehicle, the angle monitoring value and the angular velocity monitoring value are correspondingly compared with a preset angle threshold value and an angular velocity threshold value, a starting signal for controlling the video collector 3 to start is output when the angle monitoring value is larger than or equal to the angle threshold value and the angular velocity monitoring value is larger than or equal to the angular velocity threshold value, the video collector 3 is started to collect images through the state of the angle and the angular velocity of the steering wheel of the motor vehicle monitored in real time when the state of the angle and the angular velocity of the steering wheel of the motor vehicle is judged to exceed the preset threshold value, such as sharp turns and the like, the triggering range is relatively wider, 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: an angle monitoring substep, detecting the rotation angle of a steering wheel of the motor vehicle in real time after the motor vehicle enters a running state and outputting an angle monitoring value; and
s12: and the angular velocity calculating substep is used for calculating and outputting the angular velocity monitoring value of the steering wheel of the motor vehicle in real time according to the variable quantity of the angle monitoring value in the preset time length.
According to the embodiment of the invention, by the method, the angle of the steering wheel of the motor vehicle is monitored in real time and the angle monitoring value is output after the motor vehicle enters the running state, and the angular velocity monitoring value of the steering wheel of the motor vehicle is calculated and output in real time according to the variation of the angle monitoring value in the preset time, so that the monitoring and measuring efficiency is high, and the angle and the angular velocity of the steering wheel of the motor vehicle can be effectively measured when the motor vehicle is in a sharp turn or the like.
In yet another alternative embodiment of the present invention, the step S1 further includes the following steps performed before the angle 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 angle monitoring substep when the measured running speed of the motor vehicle is greater than or equal to a pre-stored vehicle speed threshold value.
According to the embodiment of the invention, by the method, the running speed of the motor vehicle is monitored in real time, and the angle monitoring sub-step is executed 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 angle of the steering wheel of the motor vehicle is monitored according to the angle monitoring instruction and the angle monitoring value is output, and the angle 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 steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotating angle of the steering wheel of the motor vehicle and an angular speed monitoring value reflecting the change speed of the rotating angle of the steering wheel of the motor vehicle;
a data memory in which an angle threshold and an angular velocity threshold are prestored; and
and the data comparison module is connected with the monitoring module, the data storage and the video collector and is used for correspondingly comparing the angle monitoring value and the angular velocity monitoring value with a preset angle threshold value and an angle velocity threshold value, and outputting a starting signal for controlling the video collector to start when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angle threshold value.
2. The vehicle video record controller of claim 1 wherein said monitoring module comprises:
the angle monitoring unit is used for detecting the rotation angle of a steering wheel of the motor vehicle in real time and outputting an angle monitoring value after the motor vehicle enters a running state; and
and the angular velocity calculating unit is connected with the angle monitoring unit and is used for calculating and outputting the angular velocity monitoring value of the steering wheel of the motor vehicle in real time according to the variable quantity of the angle monitoring value output by the angle monitoring unit in the 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 angle monitoring unit and the data memory and is used for monitoring the running speed of the motor vehicle in real time and starting the angle 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 steering wheel of the motor vehicle in real time after the motor vehicle enters a running state so as to output an angle monitoring value reflecting the rotation angle of the steering wheel of the motor vehicle and an angular velocity monitoring value reflecting the change speed of the rotation angle of the steering wheel of the motor vehicle; and
and a comparison step, wherein the angle monitoring value and the angular velocity monitoring value are correspondingly compared with a prestored angle threshold value and an angular velocity threshold value, and a starting signal for controlling the video collector to start is output when the angle monitoring value is greater than or equal to the angle threshold value and the angular velocity monitoring value is greater than or equal to the angular velocity threshold value.
7. The vehicle video recording control method according to claim 6, wherein said monitoring step comprises:
an angle monitoring substep, detecting the rotation angle of a steering wheel of the motor vehicle in real time after the motor vehicle enters a running state and outputting an angle monitoring value; and
and the angular velocity calculating substep is used for calculating and outputting the angular velocity monitoring value of the steering wheel of the motor vehicle in real time according to the variable quantity of the angle monitoring value in the preset time length.
8. The motor vehicle video recording control method according to claim 7, wherein said monitoring step further comprises the step of, prior to said angle 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 angle 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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| CN202010028485.0A CN111246086A (en) | 2020-01-11 | 2020-01-11 | Motor vehicle video recording controller, motor vehicle video recording control system and method |
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| CN202010028485.0A CN111246086A (en) | 2020-01-11 | 2020-01-11 | Motor vehicle video recording controller, motor vehicle video recording control system and method |
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