WO2013063903A1 - 一种多功能汽车后视镜 - Google Patents
一种多功能汽车后视镜 Download PDFInfo
- Publication number
- WO2013063903A1 WO2013063903A1 PCT/CN2012/073986 CN2012073986W WO2013063903A1 WO 2013063903 A1 WO2013063903 A1 WO 2013063903A1 CN 2012073986 W CN2012073986 W CN 2012073986W WO 2013063903 A1 WO2013063903 A1 WO 2013063903A1
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- Prior art keywords
- module
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- video
- small
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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
- B60R1/12—Mirror assemblies combined with other articles, e.g. clocks
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F23/00—Advertising on or in specific articles, e.g. ashtrays, letter-boxes
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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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
- B60R2001/1215—Mirror assemblies combined with other articles, e.g. clocks with information displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R2300/00—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle
- B60R2300/70—Details of viewing arrangements using cameras and displays, specially adapted for use in a vehicle characterised by an event-triggered choice to display a specific image among a selection of captured images
Definitions
- the utility model relates to the field of automobile accessories, and more particularly to a multifunctional automobile rearview mirror. Background technique
- the existing car rearview mirror is embedded with a wireless video receiving module. If the wireless video receiving module is always on, it is easily interfered by other close frequencies and disturbs normal driving.
- our rearview mirror also embeds an RF receiving module. The power of the video receiving module is controlled by this RF receiving module.
- the rear of the car consists of three components: a camera, a wireless video transmitting module, and an RF signal receiving and transmitting module. There are two ways to connect the three components:
- One method is that the power supply of the three components is connected to the backup light. When the reverse gear is hung, the reverse light will automatically have power. After the power of the reverse light is transmitted to the three components, the video transmitting module will transmit the video of the camera. Going out, the RF module sends a signal to the RF receiver module inside the car's rearview mirror, so that it energizes the video receiver module, and finally the image of the rear camera is displayed on the display of the rearview mirror; the disadvantage of this method is that the owner must hang After the reverse gear, you can see the situation behind. Sometimes you want to see the rear when you are on the highway at high speed, you can't switch the video to the back.
- Another type of wiring is the ACC ignition line power supply and reverse power supply of the car. They are all connected to the control system of the RF receiving and transmitting module after the vehicle. When the reverse gear is hung, the system action is the same as the previous one; When the high-speed driving can't be reversed or the owner doesn't want to hang the reverse gear, but the owner wants to see the situation behind the car, the owner can start an RF transmitting and receiving module next to the camera by pressing an RF transmitting remote control at hand. Upon receipt, the RF module sends a signal to the rearview mirror RF receiver module to turn on the video receiving and display system inside the rearview mirror, while the RF transceiver module behind the car turns on the switch to power the camera and video transmitter module. Finally let the image of the camera show up to On the rearview mirror display.
- the working principle of the display is that the display driver board provides a display signal to the display liquid crystal glass, and other light is irradiated onto the display liquid crystal glass, and the image is visually seen by the human eye to realize the display function; the light on the display liquid crystal glass can be It is sent from the display backlight module, or it can be sent from a small-sized backlight module.
- the output window area has graphic information, and other non-window areas deliver black images.
- the light emitted by the small-sized backlight is projected onto the display liquid crystal glass through a small window opened in the backlight area of the display, so that a small-sized image display area can be clearly seen by the driver.
- a set of hardware uses two methods, which saves cost and maximizes the reflection area of the rearview mirror. Chemical.
- a conventional multifunctional rearview mirror includes a casing 1 and a mirror 2 mounted in the casing, and a liquid crystal display 3 including a liquid crystal display 31 and a backlight (not shown).
- the display screen 31 is provided with a small-sized display area 311.
- the video such as the reversing camera or the DVD needs full-screen display
- the backlight on the liquid crystal display is bright; when the car is driven forward, it needs to be behind.
- the mirror has a small size area to display some graphic information, since the small size display area 311 does not cover the entire screen, according to the conventional method, in addition to the small size display area 311, other areas of the screen are also backlit.
- the technical problem to be solved by the utility model is to provide a multifunctional rear-view mirror with simple structure, beautiful appearance and safe driving.
- the utility model adopts the following technical solutions:
- a multifunctional automobile rearview mirror comprising a face shell, a glass mirror surface disposed in the face shell, a large-size liquid crystal display, the large-size liquid crystal display comprising a large-size display screen and a large-size display driving board,
- the large-sized display screen includes a large-size display liquid crystal glass and a large-size display backlight module, and the large-sized display is provided with a fixing frame of a large-sized display and a high-shading medium on the rear of the large-sized display, and the high-shading medium
- a small window is opened, and a small-sized backlight module and a control circuit board are arranged behind the small window.
- the backlight surface of the small-sized backlight module has a shape similar to that of a small window, and the light-emitting surface of the small-sized backlight module is closely attached to the rear of the large-sized display through a small window.
- the front side of the small-sized backlight is provided with a dielectric layer having high unidirectional reflectivity and high unidirectional transmittance.
- a rear light sensor is disposed on a side of the rear view mirror adjacent to the driver's eyes, and a front light sensor is disposed on a side of the rear windshield.
- the glass mirror surface is internally filled with an LCD or made of a dyed liquid crystal material.
- the rear view mirror is provided with an RF transceiver module, and the RF transceiver module in the rearview mirror performs RF wireless control and data transmission between the RF transceiver module and the RF transceiver module in the camera.
- the rear view mirror is embedded with two cameras that can adjust the direction for DVR recording.
- the rearview mirror is provided with a video control device, and the video control device comprises a lamp signal sensing module, a video switching module, an RF remote controller module, a body camera module, a panoramic reversing video synthesizing module, and a display screen.
- the module and the control center module, the video control device automatically switch the video channel by sensing the high beam headlight, the left turn light, the right turn light, and the reverse light of the vehicle.
- the utility model adds a small-sized backlight to the rear of the rear-view mirror, which realizes the effect of the small-size display and the large-size display in the rearview mirror.
- the function of the mirror display is diversified, the driving safety is not affected, and it is convenient and usable.
- the rear view mirror of the car looks more beautiful, and the problem of driving due to excessive backlight is avoided.
- Figure 1 is a schematic view showing the structure of a conventional product
- Figure 2 is an exploded perspective view of the utility model
- FIG. 3 is a schematic diagram of a full screen display state of the present invention.
- 4 is a schematic view showing the display state of the information presentation area of the present invention
- 5 is an exploded perspective view of the liquid crystal display of the present invention
- FIG. 6 is a schematic diagram of the connection of the video control device of the present invention.
- Figure 7 is a schematic view of the operation of the RF wireless camera device of the present invention.
- FIG. 8 is a second schematic view of the operation of the RF wireless camera device of the present invention.
- FIG. 9 is a third schematic diagram of the operation of the RF wireless camera device of the present invention.
- a multifunctional automobile rearview mirror includes a face shell 1, and a glass mirror surface 2 disposed in the face shell 1, and a large-size liquid crystal display 3, wherein the large-size liquid crystal display 3 includes a large size.
- the backlight surface of the small-sized backlight module 7 has a shape similar to that of the small window 6.
- the light-emitting surface of the small-sized backlight module 7 is closely attached to the rear of the large-sized display 3 through a small window
- the working principle of the large-size liquid crystal display 3 is that the large-size display driving board 32 provides a display signal to the display liquid crystal glass 311, and other light is irradiated onto the display liquid crystal glass 311, and an image is visually seen by the human eye to realize the display function;
- the light on the display liquid crystal glass 311 may be from the large-size display backlight module 312, or may be from the small-size backlight module 7; the small-size backlight module 7 is close to the large-size liquid crystal display 3
- the high-shading medium 5 from the small-sized backlight light-emitting surface to the display liquid crystal glass 311 and the fixing frame outside the large-size liquid crystal display 3 are dug, while retaining this small area low-light-shielding medium, formed on the display A light-transmissive small window 6 similar in shape to a small-sized backlit surface.
- the backlight of the display is turned off, but the large-size display driver board 32 still transmits a video signal to the display liquid crystal glass 311 to supply power to the small-sized backlight, and the light emitted by the small-sized backlight passes through the small window. , a specific area on the display liquid crystal glass 311 is irradiated, so that a small-sized image is formed in this specific area.
- This small size image is achieved using the LCD glass of the display and an additional small size backlight.
- This small size image can be used to display various image information such as compass, temperature, Bluetooth caller information, mobile radar information, in-vehicle information, etc. while the car is driving.
- the portion where the small-sized window is opened has image information, and all other regions are pure black image signals, and all other regions are not illuminated by the backlight.
- the other areas of the display and other areas of the mirrors of the mirrors are completely black, so that the entire rear view mirror has only a small area of the backlight corresponding to the image, and the other areas are completely normal mirror functions, so that To ensure that the driver can use the mirror surface of the interior rearview mirror to the maximum extent when driving, to ensure safe driving.
- the LCD display glass When the car is reversing or when the rearview mirror is to play other video images such as DVD, the LCD display glass will display images such as camera or DVD, turn on the backlight of the LCD display, turn off or adjust the brightness of the small backlight, so that the entire LCD monitor Will work perfectly. But at this time, because the part corresponding to the small-sized backlight has removed some of the medium, when viewing this screen, it will be found that this small area is somewhat dim. To compensate for this defect, there are three ways to solve it. One is to fill in a small area.
- the unidirectional high transmittance also has a medium with high unidirectional reflectivity, so that the light of the small backlight can be efficiently passed, and the light emitted by the large-sized backlight can be efficiently reflected.
- This method can greatly reduce this small The dim condition of the area; the second is the closest small backlight layer of the large backlight, all using one-way high transmittance and one-way high reflectivity medium, which can improve the dim problem of small areas; A certain intensity of light is also emitted to compensate for the dimness of the area; the above three methods can be implemented separately or in combination or together, ultimately improving the bleak problem in this area.
- the multifunctional rear view mirror of the present invention is respectively equipped with a light sensor in front of and behind the rear view mirror, and a light sensing device is mounted on the side of the rear view mirror near the eyes of the driver.
- Light sensor 12 Install a light sensing device in the direction of the windshield of the car, which we call the front sensor 11; the camera module includes the lens and the associated servo circuit; the display module includes the display driver circuit board and the display liquid crystal screen .
- the variable reflectivity lens consists of 3 layers. The side close to the driver is pure transparent glass. The layer near the inside of the rearview mirror is a glass with a high reflectivity reflective film. The two layers are filled with chemical colloid or Medium such as liquid crystal or dyed liquid crystal.
- These media are highly transparent when they are not energized. Light can pass through and be reflected back. When energized, the transmittance of these media changes with the voltage or current or frequency. When the change occurs, the reflectivity of the entire mirror will change accordingly.
- the current sensor senses that the light is strong, and it is the brightness of the daytime. No matter the value sensed by the rear light sensor, the reflectivity of the variable reflectivity lens in the rearview mirror does not change, and the maximum reflectance is maintained at all times; The current sensor senses that the light is very dark.
- the rear light sensor senses that the headlights of other cars are behind the car, and the reflection of the variable reflectivity lens in the rearview mirror The rate changes inversely with the change of the light incident on the rear view mirror, and the higher the irradiation intensity, the lower the reflectance becomes, thereby achieving the effect of electronic anti-glare.
- the car enters the reverse state because this time must absolutely see the situation behind, and the LCD screen behind the mirror of the mirror also shows the image of the reverse, so no matter what the front and rear light sensors are.
- the variable reflectivity lens is the maximum reflectivity, and the intermediate layer medium in the lens is in the most transparent state to ensure that the image of the display can be clearly projected for the driver to see.
- the image displayed on the LCD screen will appear too strong and difficult to see in the daytime; in the night, there will be a phenomenon in which the outside light is very dark and the LCD image is very blinking;
- the control circuit inside the rearview mirror outputs an electrical signal to the camera module, and adjusts various parameters of the camera to adapt to the current external light condition. Get clear results.
- the utility model rearview mirror of the utility model further comprises a video control device
- the video control device comprises a lamp signal sensing module, a video switching module, an RF remote controller module, a body camera module, Panoramic reversing video synthesis module, display module, and control center module.
- the body camera module includes a front camera, a front camera, a front left camera, a rear left camera, a front right camera, a rear right camera, a left camera, and a right camera.
- the lamp signal sensing module is used to sense four signals: left turn flash, right turn flash, high beam headlight flash, and reverse light. These signals are converted into stable continuous high and low level signals to the control center module.
- the two sets of flashing electric signals of the left turn flash and the right turn flash are processed by the lamp signal sensing module, and become a long-term stable high or low level signal sent to the control center module; the high beam headlights
- the relevant signal sent by the lamp signal sensing module to the control center module generates a high-low level jump, that is, if the current control center module sends a continuous high level signal, if it is large
- the lamp flashes once it will send a continuous low level signal. If the headlight flashes again, it will send a continuous high level signal to the control center module, and so on.
- the video switching module performs the switching of the image in the front, the front left, the left rear, the right front, the right rear, the rear, and the panoramic reversing image according to the command sent by the control center module.
- supply power to the corresponding camera or when any camera is working, supply power to all cameras, and when all cameras are not working, cut off power to all cameras.
- the panoramic reversing video synthesizing module is a video of four cameras of a front camera, a front camera, a left camera, and a right camera, or a video of more cameras, and a video is processed to form a panoramic reversing image, which is displayed in On the display.
- the left camera and the right camera can be replaced by a front left camera or a front right camera, and a rear left camera or a rear right camera, as appropriate.
- the control center module after receiving the signal from the RF remote control module or the lamp signal sensor module, sends a command to the video switching module to switch the video and supply power to the relevant camera.
- the display module functions as an image sent by the actual video switching module.
- the implementation method is as follows: When reversing, when the lamp signal sensing module senses the reversing light signal, the lamp signal sensing module sends a signal to the control center module, and the control center module sends a command to the video switching module to switch the video to On the panoramic reversing image synthesized by the four-way camera, when this time, the car's high-beam headlights flash once, the control center module sends a command to the video switching module to cut the video to the camera behind the car, and the headlights flash again. Go back to the panoramic reversing image, flash again and cut to the camera on the rear of the car, and so on.
- the control center module controls the video switching module to switch the video to the left.
- the light signal sensor module senses that the left turn light is flashing
- the control center module Receiving the left turn signal sent by the lamp signal sensing module, the control center module sends a command to the video switching module, and switches the video to the camera on the left side of the front of the car; if it is a right turn signal, it switches to the car.
- the control center module On the front right camera; when the car hits the warning light, the left and right turn signals flash at the same time, and the control center module receives the two signals from the left and right turn signals at the same time, the control center module sends a command to the video switching mode. Group, switch the video to the camera directly in front of the car. When the video is in the front left or left, the car headlights flash once, then the car signal sensing module sends a command to the control center circuit, and the control center circuit sends a command to the video switching module, so that the video is in the front left and left. Change between people once.
- the control center module sends a command to the video switching module to turn off all camera power and video channels.
- the control circuit automatically supplies power to the corresponding camera; or to simplify the circuit design, when any camera is working, all the cameras are powered at the same time.
- the multifunctional vehicle rearview mirror of the present invention is further provided with an RF-controlled wireless camera device, which includes two regions of a front part and a rear part.
- the front part of the vehicle includes an RF remote control transmitting module, a display module, a front RF signal transceiver module, and a video wireless receiving module;
- the rear part of the vehicle includes a rear RF signal transceiver module and a rear vehicle light signal sensing module. , wireless camera module.
- wireless camera module In the first case, as shown in Fig.
- the rear lamp signal sensing module senses that the reversing light is on, and starts to work, and the rear lamp signal sensing module sends a signal to the wireless camera.
- the module, the rear lamp signal sensing module sends a signal to the rear RF signal transceiver module, and the wireless camera module starts to work after receiving the signal from the rear lamp signal sensing module.
- the wireless camera module transmits the image to the video wireless receiving module, and the rear RF signal transmitting and receiving module receives the signal from the rear vehicle light signal sensing module, and then starts. jobs.
- the rear RF signal transceiver module sends a signal to the front RF signal transceiver module.
- the front RF signal transceiver module receives the signal from the rear RF signal transceiver module and starts to work.
- the front RF signal transceiver module sends a signal to the video wireless receiving module, and the front RF signal transceiver module sends a signal to the display module.
- the video wireless receiving module starts. jobs.
- the video wireless receiving module starts working.
- the video wireless receiving module transmits the image to the display module, and the display module starts to work after receiving the signal from the front RF signal transceiver module.
- the display module receives the signal from the video wireless receiving module, it starts to work, and the display module displays the image.
- the display module displays the image.
- the display module displays the image. In the second case, as shown in Fig.
- the RF remote control transmitting module sends a signal to the rear RF signal transceiver module, and the rear RF signal transceiver module receives the signal from the RF remote control transmitting module and starts to work.
- the rear RF signal transceiver module sends a signal to the wireless camera module, and the rear RF signal transceiver module sends a signal to the front RF signal transceiver module.
- After the wireless camera module receives the signal from the rear RF signal transceiver module. , start working.
- the wireless camera module transmits the image to the video wireless receiving module, and the front RF signal transmitting and receiving module receives the signal sent by the rear RF signal transmitting and receiving module, and then starts working.
- the front RF signal transceiver module sends a signal to the video wireless receiving module, and the front RF signal transceiver module sends a signal to the display module.
- the video wireless receiving module After receiving the signal from the front RF signal transceiver module, the video wireless receiving module starts. jobs. After receiving the image from the wireless camera module, the video wireless receiving module starts working. The video wireless receiving module transmits the image to the display module, and the display module starts to work after receiving the signal from the front RF signal transceiver module. After the display module receives the signal from the video wireless receiving module, it starts to work, and the display module displays the image. In the third case, as shown in Fig.
- the RF remote control transmitting module sends a signal to the front RF signal transceiver module, and the front RF signal transceiver module receives the signal from the RF remote control transmitting module and starts to work.
- the front RF signal transceiver module sends a signal to the rear RF signal transceiver module.
- the front RF signal transceiver module sends a signal to the video wireless receiver module.
- the front RF signal transceiver module sends a signal to the display module. After receiving the signal from the front-end RF signal transceiver module, the RF signal transceiver module starts to work.
- the rear RF signal transceiver module sends a signal to the wireless camera module.
- the wireless camera module After receiving the signal from the RF signal transceiver module, the wireless camera module starts to work.
- the wireless camera module transmits the image to the video wireless receiving module.
- the video wireless receiving module starts to work after receiving the signal from the front RF signal transceiver module.
- the video wireless receiving module starts working.
- the video wireless receiving module transmits the image to the display module, and the display module starts to work after receiving the signal from the front RF signal transceiver module.
- the display module After the display module receives the signal from the video wireless receiving module, it starts to work, and the display module displays the image.
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- Mechanical Engineering (AREA)
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- Crystallography & Structural Chemistry (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
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Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US13/878,736 US9290128B2 (en) | 2011-10-31 | 2012-04-13 | Multi-functional vehicle rearview mirror |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201120436751.X | 2011-10-31 | ||
CN201120436751XU CN202271910U (zh) | 2011-10-31 | 2011-10-31 | 一种多功能汽车后视镜 |
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WO2013063903A1 true WO2013063903A1 (zh) | 2013-05-10 |
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PCT/CN2012/073986 WO2013063903A1 (zh) | 2011-10-31 | 2012-04-13 | 一种多功能汽车后视镜 |
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US (1) | US9290128B2 (zh) |
CN (1) | CN202271910U (zh) |
WO (1) | WO2013063903A1 (zh) |
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Also Published As
Publication number | Publication date |
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CN202271910U (zh) | 2012-06-13 |
US20130307984A1 (en) | 2013-11-21 |
US9290128B2 (en) | 2016-03-22 |
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