CN112428923A - Streaming media rearview mirror video automatic display control method and system of full liquid crystal instrument - Google Patents
Streaming media rearview mirror video automatic display control method and system of full liquid crystal instrument Download PDFInfo
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- CN112428923A CN112428923A CN202011369063.6A CN202011369063A CN112428923A CN 112428923 A CN112428923 A CN 112428923A CN 202011369063 A CN202011369063 A CN 202011369063A CN 112428923 A CN112428923 A CN 112428923A
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- rearview mirror
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- crystal instrument
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- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005286 illumination Methods 0.000 claims description 19
- 238000010408 sweeping Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/02—Rear-view mirror arrangements
- B60R1/04—Rear-view mirror arrangements mounted inside vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
- B60R2001/1215—Mirror assemblies combined with other articles, e.g. clocks with information displays
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The invention discloses a method and a system for automatically displaying and controlling a video of a streaming media rearview mirror of an all-liquid crystal instrument, wherein the video content of the streaming media rearview mirror is integrally displayed on the all-liquid crystal instrument, a driver does not need to raise his head when driving normally, and the road condition of the rear driving can be observed only by sweeping the all-liquid crystal instrument with sight, so that the driving is safer, the viewing operation is more convenient, the display is more intelligent, and the cost is reduced; meanwhile, when a user drives in the environment with severe light conditions such as night, tunnel, rainy day and foggy day, the all-liquid-crystal instrument automatically displays the video content of the vehicle conditions behind the vehicle in real time without any operation, so that the operation of a driver is reduced, and the safe driving is guaranteed.
Description
Technical Field
The invention relates to the technical field of full liquid crystal instrument display, in particular to a method and a system for controlling the video automatic display of a streaming media rearview mirror of a full liquid crystal instrument.
Background
At present, the multifunctional streaming media rearview mirror comprises a multifunctional streaming media rearview mirror arranged on an original inside rearview mirror and a rear streaming media rearview camera arranged at the tail of a vehicle, and has the advantages of wide visual field, super-definition and the like.
Disclosure of Invention
The invention aims to provide a method and a system for automatically displaying and controlling a video of a streaming media rearview mirror of an all-liquid crystal instrument, wherein the video content of the streaming media rearview mirror is integrally displayed on the all-liquid crystal instrument, a driver does not need to raise his head when driving normally, and can observe the road condition of a rear vehicle by only scanning the all-liquid crystal instrument with sight, so that the vehicle can be driven more safely, the viewing operation is more convenient, the display is more intelligent, and the cost is reduced; meanwhile, when a user drives in environments with poor light conditions (poor light conditions) such as night, tunnels, rainy days and foggy days, no operation is needed, the video content of the vehicle conditions behind the vehicle is automatically displayed in real time by the all-liquid-crystal instrument, the operation of a driver is reduced, and the safe driving is guaranteed.
In order to achieve the purpose, the invention provides a streaming media rearview mirror video automatic display control method of a full liquid crystal instrument, which comprises the following steps:
(S1) when the power of the whole vehicle is in ON gear, detecting whether the operation key of the streaming media rearview mirror is pressed down, if yes, executing the step (S2); otherwise, executing step (S5);
(S2) the full liquid crystal instrument supplies power to the streaming media rearview mirror camera through LVDS, detects whether the streaming media rearview mirror camera is started successfully, and if the streaming media rearview mirror camera is started successfully, the step (S3) is executed; otherwise, executing step (S7);
(S3) switching the interface of the full liquid crystal meter to display the streaming media rearview mirror video, and then performing the step (S4);
(S4) judging whether the operation key of the streaming media rearview mirror is pressed again, or whether the power position is changed from ON to ACC, or whether the power position is changed from ON to OFF, or whether the illumination intensity is larger than the brightness threshold of the daytime mode, or whether the storage battery is powered down; if any one of the conditions is met, the interface of the full liquid crystal instrument is closed to display the video of the streaming media rearview mirror, and the process is ended; otherwise, return to the step (S3);
(S5) when the vehicle speed is greater than 0 and the gear is not P gear, detecting whether the light sensor is in fault, if so, carrying out fault prompt and ending the process; otherwise, executing step (S6);
(S6) detecting whether the brightness value of the illumination sensor is smaller than the night mode brightness threshold value, if so, returning to the step (S2) and reminding of starting the video display of the rearview mirror; otherwise, executing step (S7);
(S7) the interface of the full liquid crystal instrument is not displayed, and the process is ended.
Further, the priority of the steering wheel key operation display and the priority of the turn-off display are both higher than the priority of the automatic trigger display and the turn-off display.
Further, in the step (S5), the failure indication is indicated by text and/or sound, and is stored after a first preset time after the text and/or sound indication.
Further, the first preset time is 5 s.
Further, in the step (S6), the prompt to turn on the video display of the rearview mirror is prompted by words and/or sounds, and disappears after a second preset time after the words and/or sounds prompt.
Further, the second preset time is 3 s.
The invention also provides a streaming media rearview mirror video automatic display control system of the full liquid crystal instrument, which comprises the following components:
the full liquid crystal instrument is used for controlling and displaying or closing the video content of the stream media rearview mirror;
the streaming media rearview mirror camera is used for recording the driving image video content behind the vehicle;
the control module is used for collecting signals of the illumination sensor and signals of steering wheel operation keys, judging to display or close the video of the displayed streaming media rearview mirror, and controlling the full liquid crystal instrument to display or close the display instruction input of the video content of the displayed streaming media rearview mirror;
the streaming media rearview mirror video automatic display control system of the full liquid crystal instrument executes the streaming media rearview mirror video automatic display control method of the full liquid crystal instrument.
In this embodiment, the control module includes a signal acquisition unit for acquiring signals of the illumination sensor and signals of the steering wheel operation keys, and a logic judgment unit for judging whether to display or close the video of the streaming media rearview mirror, and the acquisition unit is connected with the logic judgment unit; and the logic judgment unit is connected with the full liquid crystal instrument.
Compared with the prior art, the invention has the following advantages:
according to the method and the system for controlling the video automatic display of the streaming media rearview mirror of the full liquid crystal instrument, the video content of the streaming media rearview mirror is integrally displayed on the full liquid crystal instrument, an independent component assembly of the streaming media rearview mirror is omitted, and the cost is better; in addition, compared with the mounting position of most common rearview mirrors above the windshield in the vehicle, the video content of the streaming media rearview mirror is displayed on the all-liquid crystal instrument, a driver does not need to raise his head when driving normally, and can observe the road condition of the rear driving only by sweeping the all-liquid crystal instrument with sight, so that the driving is safer, the viewing operation is more convenient and more intelligent; meanwhile, when a user drives in environments with poor light conditions (poor light conditions) such as night, tunnels, rainy days and foggy days, no operation is needed, the video content of the vehicle conditions behind the vehicle is automatically displayed in real time by the all-liquid-crystal instrument, the operation of a driver is reduced, and the safe driving is guaranteed.
Drawings
FIG. 1 is a flow chart of a method for controlling video automatic display of a streaming media rearview mirror of a full liquid crystal instrument according to the present invention;
fig. 2 is a schematic structural diagram of a video automatic display control system of a streaming media rearview mirror of a full liquid crystal instrument according to the present invention.
In the figure:
1-full liquid crystal instrument; 2-streaming media rearview mirror camera; 3-a control module, 31-a signal acquisition unit and 32-a logic judgment unit.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1, the embodiment discloses a video automatic display control method for a full liquid crystal instrument streaming media rearview mirror, which includes the following steps:
(S1) when the power of the whole vehicle is in ON gear, detecting whether the operation key of the streaming media rearview mirror is pressed down, if yes, executing the step (S2); otherwise, executing step (S5);
(S2) the full liquid crystal instrument supplies power to the streaming media rearview mirror camera through LVDS, detects whether the streaming media rearview mirror camera is started successfully, and if the streaming media rearview mirror camera is started successfully, the step (S3) is executed; otherwise, executing step (S7);
the power supply gear of the whole vehicle is an ON gear, when the MCU main chip of the full liquid crystal instrument 1 judges that a video display instruction of the streaming media rearview mirror is received according to a display trigger condition, the display instruction is transmitted to the GPU main chip, the GPU main chip displays the video instruction of the streaming media rearview mirror as required, and the streaming media rearview mirror camera 2 is immediately output and powered through the LVDS transmission line.
(S3) switching the interface of the full liquid crystal meter to display the streaming media rearview mirror video, and then performing the step (S4);
after receiving the power supply signal of the full liquid crystal instrument 1, the streaming media rearview mirror camera 2 finishes the starting work of the camera within 500ms and inputs the video signal behind the vehicle to the full liquid crystal instrument 1 through the LVDS transmission line. After receiving the video signal input by the camera of the streaming media rearview mirror, the GPU master chip of the all-liquid crystal instrument 1 needs to drive the instrument liquid crystal display for video display within 1s through LVDS.
(S4) judging whether the operation key of the streaming media rearview mirror is pressed again, or whether the power position is changed from ON to ACC, or whether the power position is changed from ON to OFF, or whether the illumination intensity is larger than the brightness threshold of the daytime mode, or whether the storage battery is powered down; if any one of the conditions is met, the interface of the full liquid crystal instrument is closed to display the video of the streaming media rearview mirror, and the process is ended; otherwise, return to the step (S3);
(S5) when the vehicle speed is greater than 0 and the gear is not P gear, detecting whether the light sensor is in fault, if so, carrying out fault prompt and ending the process; otherwise, executing step (S6);
(S6) detecting whether the brightness value of the illumination sensor is smaller than the night mode brightness threshold value, if so, returning to the step (S2) and reminding of starting the video display of the rearview mirror; otherwise, executing step (S7);
if the current full liquid crystal instrument has no video display of the streaming media rearview mirror, when the ambient light intensity collected by the light sensor is smaller than the night mode brightness threshold value, the full liquid crystal instrument pops up a text prompt that the light is dark, the video display of the rearview mirror is started for you, and the full liquid crystal instrument automatically displays the video content of the streaming media rearview mirror after the text display is carried out for the second preset time. And when the ambient light intensity collected by the illumination sensor is greater than the daytime mode brightness threshold value, the video content display of the streaming media rearview mirror is quitted.
(S7) the interface of the full liquid crystal instrument is not displayed, and the process is ended.
In the present embodiment, the priority of both the steering wheel key operation display and the off display is higher than the priority of the auto-trigger display and the off display. The auto-trigger display includes a manner of displaying through logic or closing display except key operation in the steps (S1) to (S7). And setting a daytime mode brightness threshold and a night mode brightness threshold to calibrate according to the actual condition of the whole vehicle.
In the present embodiment, the priority of both the steering wheel key operation display and the off display is higher than the priority of the auto-trigger display and the off display.
In the present embodiment, in step (S5), the failure indication is indicated by text and/or sound, and is stored after a first preset time after the text and/or sound indication. The first predetermined time is 5s, and in some embodiments, the first predetermined time may be other values, which are not limited herein.
In this embodiment, in step (S6), the reminder for turning on the video display of the rearview mirror is reminded by text and/or sound, and disappears after the reminder by text and/or sound for the second preset time. The second predetermined time is 3s, and in some embodiments, the second predetermined time may be other values, which is not limited herein.
Whether the illumination sensor is in fault is detected, and the method specifically comprises the following steps: reading whether the values of two registers in the illumination sensor are consistent with the theoretical value in normal work or not, and if the values of the two registers are consistent with the theoretical value in normal work, the illumination sensor works normally; if the values read from the two registers are not consistent with the theoretical values in normal operation, the full liquid crystal instrument prompts 'failure of the light sensor, please check and repair' in a text mode, and the full liquid crystal instrument stores the failure in a menu after 5S of text display until the failure is eliminated. The value of this register may characterize the configuration values and the operating state of the illumination sensor.
Referring to fig. 2, the embodiment discloses a video automatic display control system of a full liquid crystal instrument for a streaming media rearview mirror, which includes:
the full liquid crystal instrument 1 is used for controlling and displaying or closing and displaying the video content of the streaming media rearview mirror;
the streaming media rearview mirror camera 2 is used for recording the driving image video content behind the vehicle;
the control module 3 is used for collecting signals of the illumination sensor and signals of steering wheel operation keys, judging to display or close the video of the displayed streaming media rearview mirror, and controlling the full liquid crystal instrument 1 to display or close the display instruction input of the video content of the displayed streaming media rearview mirror;
the streaming media rearview mirror camera 2 and the control module 3 are both connected with the full liquid crystal instrument 1, and the streaming media rearview mirror video automatic display control system of the full liquid crystal instrument executes the streaming media rearview mirror video automatic display control method of the full liquid crystal instrument.
The full liquid crystal instrument 1 receives the input of a control signal of the control module 3 through a CAN line, supplies power to the streaming media rearview mirror camera of the control module 3 through an LVDS signal, receives the driving image video content at the rear of the vehicle recorded by the streaming media rearview mirror camera 2 through the LVDS signal and displays the driving image video content on the full liquid crystal instrument 1; after receiving the input signal of the control module 3 and receiving the video stream input by the streaming media rearview mirror camera 2 through LVDS, the video stream is displayed on the display screen of the full liquid crystal instrument 1 in time; when receiving a power supply signal of the full liquid crystal instrument 1, immediately starting a streaming media rearview mirror camera 2 installed behind a vehicle to start working, and transmitting an image video behind the vehicle to the full liquid crystal instrument 1 in real time through LVDS; the control module 3 is divided into two types, wherein the first type is that the illumination sensor inputs the illumination intensity of the external environment light to the full liquid crystal instrument 1 through the IIC to carry out video display judgment on the streaming media rearview mirror; the second type is that the control key of the steering wheel flow media rearview mirror transmits signals to the full liquid crystal instrument 1 through the CAN bus to display the video content of the flow media rearview mirror.
In this embodiment, the control module 3 includes a signal collecting unit 31 for collecting signals of the illumination sensor and signals of the steering wheel operation keys, and a logic determining unit 32 for determining to display or close the video of the streaming media rearview mirror, where the collecting unit 31 is connected to the logic determining unit 32; the logic judgment unit 32 is connected with the all-liquid-crystal instrument 1.
According to the method and the system for controlling the video automatic display of the streaming media rearview mirror of the full liquid crystal instrument, the video content of the streaming media rearview mirror is integrally displayed on the full liquid crystal instrument, an independent component assembly of the streaming media rearview mirror is omitted, and the cost is better; in addition, compared with the mounting position of most common rearview mirrors above the windshield in the vehicle, the video content of the streaming media rearview mirror is displayed on the all-liquid crystal instrument, a driver does not need to raise his head when driving normally, and can observe the road condition of the rear driving only by sweeping the all-liquid crystal instrument with sight, so that the driving is safer, the viewing operation is more convenient and more intelligent; meanwhile, when a user drives in environments with poor light conditions (poor light conditions) such as night, tunnels, rainy days and foggy days, no operation is needed, the video content of the vehicle conditions behind the vehicle is automatically displayed in real time by the all-liquid-crystal instrument, the operation of a driver is reduced, and the safe driving is guaranteed.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A video automatic display control method for a streaming media rearview mirror of a full liquid crystal instrument is characterized by comprising the following steps:
(S1) when the power of the whole vehicle is in ON gear, detecting whether the operation key of the streaming media rearview mirror is pressed down, if yes, executing the step (S2); otherwise, executing step (S5);
(S2) the full liquid crystal instrument supplies power to the streaming media rearview mirror camera through LVDS, detects whether the streaming media rearview mirror camera is started successfully, and if the streaming media rearview mirror camera is started successfully, the step (S3) is executed; otherwise, executing step (S7);
(S3) switching the interface of the full liquid crystal meter to display the streaming media rearview mirror video, and then performing the step (S4);
(S4) judging whether the operation key of the streaming media rearview mirror is pressed again, or whether the power position is changed from ON to ACC, or whether the power position is changed from ON to OFF, or whether the illumination intensity is larger than the brightness threshold of the daytime mode, or whether the storage battery is powered down; if any one of the conditions is met, the interface of the full liquid crystal instrument is closed to display the video of the streaming media rearview mirror, and the process is ended; otherwise, return to the step (S3);
(S5) when the vehicle speed is greater than 0 and the gear is not P gear, detecting whether the light sensor is in fault, if so, carrying out fault prompt and ending the process; otherwise, executing step (S6);
(S6) detecting whether the brightness value of the illumination sensor is smaller than the night mode brightness threshold value, if so, returning to the step (S2) and reminding of starting the video display of the rearview mirror; otherwise, executing step (S7);
(S7) the interface of the full liquid crystal instrument is not displayed, and the process is ended.
2. The method for controlling video automatic display of the full liquid crystal instrument flow media rearview mirror is characterized in that the priority of the operation display and the closing display of the steering wheel key is higher than the priority of the automatic triggering display and the closing display.
3. The video automatic display control method for the full liquid crystal instrument flow media rearview mirror is characterized in that in the step (S5), the fault prompt is indicated through words and/or sound, and the fault prompt is stored after a first preset time after the words and/or sound prompt.
4. The method for controlling video automatic display of the full liquid crystal instrument flow media rearview mirror is characterized in that the first preset time is 5 s.
5. The method for controlling video automatic display of a full liquid crystal instrument flow media rearview mirror as claimed in claim 3, wherein in step (S6), the prompt for turning on the video display of the rearview mirror is prompted by words and/or sounds, and disappears after a second preset time after the words and/or sounds prompt.
6. The method for controlling video automatic display of the full liquid crystal instrument flow media rearview mirror as claimed in claim 5, wherein the second preset time is 3 s.
7. A streaming media rearview mirror video automatic display control system of a full liquid crystal instrument is characterized by comprising:
the full liquid crystal instrument (1) is used for controlling and displaying or closing and displaying the video content of the streaming media rearview mirror;
the streaming media rearview mirror camera (2) is used for recording the driving image video content behind the vehicle;
the control module (3) is used for collecting signals of the illumination sensor and signals of steering wheel operation keys, judging to display or close the video of the displayed streaming media rearview mirror and controlling the full liquid crystal instrument (1) to display or close the display instruction input of the video content of the displayed streaming media rearview mirror;
the streaming media rearview mirror camera (2) and the control module (3) are both connected with the full liquid crystal instrument (1), and the streaming media rearview mirror video automatic display control system of the full liquid crystal instrument executes the streaming media rearview mirror video automatic display control method of the full liquid crystal instrument according to any one of claims 1 to 6.
8. The video automatic display control system for the streaming media rearview mirror of the full liquid crystal instrument is characterized in that the control module (3) comprises a signal acquisition unit (31) for acquiring signals of an illumination sensor and signals of a steering wheel operation key and a logic judgment unit (32) for judging whether to display or close the video of the streaming media rearview mirror, wherein the acquisition unit (31) is connected with the logic judgment unit (32); the logic judgment unit (32) is connected with the full liquid crystal instrument (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011369063.6A CN112428923A (en) | 2020-11-30 | 2020-11-30 | Streaming media rearview mirror video automatic display control method and system of full liquid crystal instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011369063.6A CN112428923A (en) | 2020-11-30 | 2020-11-30 | Streaming media rearview mirror video automatic display control method and system of full liquid crystal instrument |
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Application publication date: 20210302 |