CN207594828U - Automobile rearview mirror - Google Patents
Automobile rearview mirror Download PDFInfo
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- CN207594828U CN207594828U CN201721579360.7U CN201721579360U CN207594828U CN 207594828 U CN207594828 U CN 207594828U CN 201721579360 U CN201721579360 U CN 201721579360U CN 207594828 U CN207594828 U CN 207594828U
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- rearview mirror
- automobile
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- image processing
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Abstract
The utility model is related to automobile technical fields, provide a kind of automobile rearview mirror, including rearview camera and rearview mirror main body, rearview camera and the electrical connection of rearview mirror main body；Rearview mirror main body includes image processing module, main control chip, display screen and communication interface, image processing module, display screen and communication interface are electrically connected with main control chip, and main control chip is communicated to connect by the communication interface and the Vehicle Body Bus of automobile, rearview camera is installed on automobile tail.Compared with prior art, the utility model embodiment backsight is unobstructed, posterior view point is wide, while can be imaged under strong light, dim light, has good practicability.
Description
Technical field
The utility model is related to automobile technical field, in particular to a kind of automobile rearview mirror.
Background technology
Automobile rearview mirror is one of essential accessory of automobile, after the rearview mirror at left and right sides of automobile head is outer
Visor, the rearview mirror positioned at automobile windscreen inner are inside rear-view mirror.Automobile rearview mirror can reflect automobile rear and side
Surface conditions, expand the field range of driver.At present, the rearview mirror of most of automobiles is all straight by the sight of driver
Observation is connect, is easily stopped in itself by automobile, while the angle observed compares relatively narrow, is easily influenced by external environment, example
Such as, in ambient than in the case of dark, the effect of observation is bad.
Utility model content
The purpose of this utility model is to provide a kind of automobile rearview mirror, to improve the above problem.
The utility model is realized in this way：
A kind of automobile rearview mirror, including rearview camera and rearview mirror main body, the rearview camera and the rearview mirror
Main body is electrically connected；The rearview mirror main body includes image processing module, main control chip, display screen and communication interface, described image
Processing module, display screen and communication interface are electrically connected with the main control chip, and the main control chip is connect by the communication
The Vehicle Body Bus of mouth and automobile communicates to connect；The rearview camera is installed on automobile tail, for shooting first environment image,
And the first environment image is sent to described image processing module；The main control chip is used to obtain by the communication interface
The vehicle body status data of the automobile is taken, and control command to described image is sent according to the vehicle body status data and handles mould
Block；Described image processing module is used for the size according to the control command and the display screen, to the first environment image
It is intercepted, obtains second environment image；The display screen is used to show the second environment image.
Further, the rearview mirror main body further includes illuminance transducer, the illuminance transducer and the main control chip
Electrical connection, for obtaining the illumination data of external environment；The main control chip is additionally operable to according to illumination data adjustment
The backlight illumination of display screen.
Further, the rearview mirror main body further includes external input module, the external input and the main control chip
Electrical connection carries out relevant operation, to adjust the size of the second environment image for user.
Further, the external input module is keyboard.
Further, the rearview mirror main body further includes power conversion module, the power conversion module and described image
Processing module, main control chip and display screen are electrically connected.
Further, the display screen surface is provided with half reflection plated film.
Further, the rearview camera include camera lens, cmos imaging sensor, data converter, the camera lens with
The cmos sensor corresponds to, and the cmos imaging sensor, data converter and image processing module are sequentially connected electrically；It is described
Camera lens is used to obtain extraneous light and projects the cmos imaging sensor；The cmos imaging sensor is used to export number
The vision signal of font formula；The data converter obtains first environment figure for being encoded, being modulated by the vision signal
Picture is simultaneously sent to described image processing module.
Further, the data converter and described image processing module are electrically connected by transmission cable.
Compared with the prior art, a kind of automobile rearview mirror that the utility model embodiment provides, first, is installed on automobile tail
Rearview camera shooting first environment image and be sent to image processing module；Secondly, main control chip is obtained by communication interface
The vehicle body status data of automobile is taken, and control command is sent to image processing module according to vehicle body status data so that at image
Module is managed according to control command and the size of display screen, interception first environment image obtains second environment image；Finally, display screen
Second environment image is shown.Compared with prior art, the utility model embodiment backsight is unobstructed, posterior view point is wide,
It can be imaged under strong light, dim light simultaneously, there is good practicability.
For the above-mentioned purpose of the utility model, feature and advantage is enable to be clearer and more comprehensible, preferred embodiment cited below particularly, and
Attached drawing appended by cooperation, is described in detail below.
Description of the drawings
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Usually here described in attached drawing and
The component of the utility model embodiment shown can be configured to arrange and design with a variety of different.Therefore, below to attached
The detailed description of the embodiment of the utility model provided in figure is not intended to limit claimed the scope of the utility model,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiment in the utility model, ordinary skill people
Member's all other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.
Fig. 1 shows the first structure block diagram for the automobile rearview mirror that the utility model embodiment is provided.
Fig. 2 shows the second structure diagrams of the automobile rearview mirror that the utility model embodiment is provided.
Icon：100- automobile rearview mirrors；110- rearview cameras；111- camera lenses；112-CMOS imaging sensors；113- numbers
According to converter；130- rearview mirror main bodys；131- main control chips；132- communication interfaces；133- image processing modules；134- is shown
Screen；135- illuminance transducers；136- external input modules；137- power conversion modules.
Specific embodiment
Below in conjunction with attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole realities
Apply example.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.Therefore, the detailed description of the embodiment of the utility model provided in the accompanying drawings is not intended to limit below
Claimed the scope of the utility model, but it is merely representative of the selected embodiment of the utility model.Based on the utility model
Embodiment, those skilled in the art's all other embodiments obtained under the premise of creative work is not made, all
Belong to the range of the utility model protection.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term is " even
Connect " it should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can be machine
Tool is connected or is electrically connected；It can be directly connected, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is new in this practicality with concrete condition
Concrete meaning in type.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need to that it is further defined and explained in subsequent attached drawing.
Below in conjunction with the accompanying drawings, it elaborates to some embodiments of the utility model.In the absence of conflict, under
Feature in the embodiment and embodiment stated can be combined with each other.
Fig. 1 is please referred to, Fig. 1 shows the first structure frame for the automobile rearview mirror 100 that the utility model embodiment is provided
Figure.Automobile rearview mirror 100 includes rearview camera 110 and rearview mirror main body 130, rearview camera 110 and rearview mirror main body 130
Electrical connection, rearview camera 110 are installed on automobile tail, and rearview mirror main body 130 is installed at the rearview mirror of automobile.
Fig. 2 is please referred to, Fig. 2 shows the second structural frames of the automobile rearview mirror 100 that the utility model embodiment is provided
Figure.Rearview camera 110 is installed on automobile tail, for shooting first environment image, and after first environment image is sent to
Visor main body 130.Rearview camera 110 includes camera lens 111, cmos imaging sensor 112 and data converter 113, camera lens 111
Corresponding with cmos imaging sensor 112, cmos imaging sensor 112, data converter 113 and rearview mirror main body 130 are electric successively
Connection.
As a kind of embodiment, rearview camera 110 can be installed on above the rear seat windscreen of automobile tail or
Above license plate frame, since rearview camera 110 is mounted on outside vehicle, backsight is unobstructed, therefore will not be by rear auto window shape
It influences.
In the present embodiment, camera lens 111 is used to obtain extraneous light and projects cmos imaging sensor 112；CMOS
Imaging sensor 112 is used to export the vision signal of digital form；Data converter 113 for vision signal is encoded,
Modulation, obtains first environment image and is sent to rearview mirror main body 130.As a kind of embodiment, camera lens 111 can be, but
It is not limited to wide-angle lens.
In the present embodiment, rearview mirror main body 130 is installed at the rearview mirror of automobile.Rearview mirror main body 130 includes master control
Chip 131, communication interface 132, image processing module 133, display screen 134, illuminance transducer 135, external input module 136 and
Power conversion module 137.Communication interface 132, image processing module 133, display screen 134, illuminance transducer 135, external input
Module 136 and power conversion module 137 are electrically connected with main control chip 131, and image processing module 133 and rearview camera
110 data converter 113 is electrically connected, and main control chip 131 is communicated to connect by communication interface 132 and the Vehicle Body Bus of automobile.
In the present embodiment, main control chip 131 is used to obtain the vehicle body status data of automobile by communication interface 132, and
Control command is sent to image processing module 133 according to vehicle body status data.Vehicle body status data may be, but not limited to, automobile
The status datas such as turning, acceleration, reversing.As a kind of embodiment, main control chip 131 can be a kind of IC chip,
With signal handling capacity, main control chip 131 can be general processor, including central processing unit (Central
Processing Unit, CPU), network processing unit (Network Processor, NP), speech processor and video processing
Device etc. can also be digital signal processor, application-specific integrated circuit, field programmable gate array or other programmable logic devices
Part, discrete gate or transistor logic, discrete hardware components.As a kind of embodiment, main control chip 131 can be,
But it is not limited to microcontroller.
In the present embodiment, communication interface 132 and the Vehicle Body Bus of automobile communicate to connect, and communication interface 132 is used for vapour
The vehicle body status data of vehicle is sent to main control chip 131.As a kind of embodiment, communication interface 132 may be, but not limited to,
RS232 interface.
In the present embodiment, image processing module 133 and main control chip 131 and the data converter of rearview camera 110
113 are electrically connected.Image processing module 133 is used for the big of the control command sent according to main control chip 131 and display screen 134
Small, the first environment image acquired to rearview camera 110 intercepts, and obtains second environment image.As a kind of embodiment party
Formula, image processing module 133 are electrically connected with data converter 113 by transmission cable, for example, transmission cable can be one
Line, such as high speed single-ended transmission line or several threads, such as high speed LVDS signal wires.
As a kind of embodiment, since the first environment image that rearview camera 110 takes is bigger than display screen 134
Much, therefore, it is necessary to first environment image is intercepted.In addition, when main control chip 131 is got by communication interface 132
Vehicle body status data detect reversing automobile, left and right turning when, display screen 134 show image need to change, for example,
When automobile is turned to the left, need to make the image on the left side to show more.
In this example it is shown that screen 134 is used to show second environment image.134 surface of display screen is provided with
Half reflection plated film, when the image display function of closing automobile rearview mirror 100, display screen 134 is restored to traditional optical rearview mirror
Operating mode.As a kind of embodiment, display screen 134 may be, but not limited to, LED display, LCD display etc..
In the present embodiment, illuminance transducer 135 is used to obtain the illumination data of external environment, get illumination data it
Afterwards, main control chip 131 is additionally operable to adjust the backlight illumination of display screen 134 according to illumination data.As a kind of embodiment, work as photograph
When the illumination data of external environment that degree sensor 135 obtains represents that ambient light is weaker, main control chip 131 is according to illumination number
According to the backlight illumination for turning down display screen 134；When the illumination data for the external environment that illuminance transducer 135 obtains represents ambient light
When stronger, the backlight illumination of display screen 134 is turned up according to illumination data for main control chip 131, can improve eyes of user in this way
Comfort level.
In the present embodiment, external input module 136 is used to open or close automobile rearview mirror 100 under the operation of user
Image display function.That is, when user needs the image display function using automobile rearview mirror 100, by lower outer portion
The opening button of input module 136, automobile rearview mirror 100 start to show image；When user does not need to use automobile rearview mirror 100
Image display function when, the closing button of external input module 136 is pressed, after automobile rearview mirror 100 is restored to traditional optical
The operating mode of visor.As a kind of embodiment, external input module 136 may be, but not limited to, nine key boards.
In the present embodiment, external input module 136 is additionally operable to the size that user adjusts second environment image, for example, working as
When user wants to amplify the image of a certain position, it can be amplified by external input module 136.
In the present embodiment, power conversion module 137 is electrically connected with rearview camera 110, and with main control chip 131, logical
Letter interface 132, image processing module 133, display screen 134, illuminance transducer 135 and external input module 136 are electrically connected.Electricity
Source modular converter 137 is used for as rearview camera 110, main control chip 131, communication interface 132, image processing module 133, display
Screen 134, illuminance transducer 135 and external input module 136 provide supply of electric power.As a kind of embodiment, power supply modulus of conversion
It is rearview camera 110, main control chip 131, communication interface after the cell voltage of automobile can be depressured by block 137
132nd, image processing module 133, display screen 134, illuminance transducer 135 and external input module 136 provide supply of electric power.
Compared with prior art, the automobile rearview mirror 100 that the utility model embodiment provides has the following advantages：
First, one display screen 134 is set in traditional optical rearview mirror position, by rearview camera 110, obtains vehicle
Visible image behind in a manner of digital video frequency flow, is transferred on display screen 134 and shows；
Second, the surface of display screen 134 is provided with half reflection plated film, when the image of closing automobile rearview mirror 100 shows work(
During energy, display screen 134 is restored to the operating mode of traditional optical rearview mirror；
Third, since the first environment image that rearview camera 110 takes is more much greater than display screen 134, display screen
The image of 134 displays can be adjusted, and therefore, the posterior view point for the automobile rearview mirror 100 that the utility model embodiment provides is than passing
Optical rearview mirror of uniting is wide；
4th, rearview camera 110 can be installed on above the rear seat windscreen of automobile tail or above license plate frame,
Since rearview camera 110 is mounted on outside vehicle, backsight is unobstructed, therefore will not be influenced by rear auto window shape；
5th, the image display function of automobile rearview mirror 100 improves its picture under the environment such as dim light, rainy day, strong light
Face clarity has wide dynamic imaging ability, can be imaged under strong light, dim light.
The operation principle of automobile rearview mirror 100 that the utility model embodiment is provided is：
First, camera lens 111 obtains extraneous light and projects on cmos imaging sensor 112, cmos imaging sensor 112
The vision signal of digital form is exported, vision signal is encoded, modulated by data converter 113, obtains first environment image
And it is sent to rearview mirror main body 130；
Second, main control chip 131 obtains the vehicle body status data of automobile by communication interface 132, and according to vehicle body state
Data send control command to image processing module 133；
Third, the control command and the size of display screen 134 that image processing module 133 is sent according to main control chip 131 are right
The first environment image that rearview camera 110 acquires is intercepted, and obtains second environment image；
4th, display screen 134 shows second environment image；
5th, illuminance transducer 135 obtains the illumination data of external environment, after getting illumination data, main control chip
131 adjust the backlight illumination of display screen 134 according to illumination data.
In conclusion a kind of automobile rearview mirror provided by the utility model, including rearview camera and rearview mirror main body,
Rearview camera and the electrical connection of rearview mirror main body；Rearview mirror main body includes image processing module, main control chip, display screen and communication
Interface, image processing module, display screen and communication interface are electrically connected with main control chip, and main control chip by communication interface with
The Vehicle Body Bus communication connection of automobile；Rearview camera is installed on automobile tail, for shooting first environment image, and by first
Ambient image is sent to image processing module；Main control chip is used to obtain the vehicle body status data of automobile by communication interface, and
Control command is sent to image processing module according to vehicle body status data；Image processing module is used for according to control command and display
The size of screen intercepts first environment image, obtains second environment image；Display screen is used to carry out second environment image
Display.Compared with prior art, the utility model embodiment backsight is unobstructed, posterior view point is wide, while under strong light, dim light all
It can be imaged, there is good practicability.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this practical relationship or sequence.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of automobile rearview mirror, which is characterized in that the automobile rearview mirror includes rearview camera and rearview mirror main body, described
Rearview camera and rearview mirror main body electrical connection；
The rearview mirror main body includes image processing module, main control chip, display screen and communication interface, described image processing mould
Block, display screen and communication interface are electrically connected with the main control chip, and the main control chip passes through the communication interface and vapour
The Vehicle Body Bus communication connection of vehicle；
The rearview camera is installed on automobile tail, for shooting first environment image, and the first environment image is sent out
It send to described image processing module；
The main control chip is used to obtain the vehicle body status data of the automobile by the communication interface, and according to the vehicle body
Status data sends control command to described image processing module；
Described image processing module is used for the size according to the control command and the display screen, to the first environment image
It is intercepted, obtains second environment image；
The display screen is used to show the second environment image.
2. automobile rearview mirror as described in claim 1, which is characterized in that the rearview mirror main body further includes illuminance transducer,
The illuminance transducer is electrically connected with the main control chip, for obtaining the illumination data of external environment；
The main control chip is additionally operable to adjust the backlight illumination of the display screen according to the illumination data.
3. automobile rearview mirror as described in claim 1, which is characterized in that the rearview mirror main body further includes external input mould
Block, the external input are electrically connected with the main control chip, relevant operation are carried out for user, to adjust the second environment figure
The size of picture.
4. automobile rearview mirror as claimed in claim 3, which is characterized in that the external input module is keyboard.
5. automobile rearview mirror as described in claim 1, which is characterized in that the rearview mirror main body further includes power supply modulus of conversion
Block, the power conversion module are electrically connected with described image processing module, main control chip and display screen.
6. automobile rearview mirror as described in claim 1, which is characterized in that the display screen surface is provided with half reflection plated film.
7. automobile rearview mirror as described in claim 1, which is characterized in that the rearview camera includes camera lens, cmos imaging
Sensor, data converter, the camera lens is corresponding with the cmos imaging sensor, and the cmos imaging sensor, data turn
Parallel operation and image processing module are sequentially connected electrically；
The camera lens is used to obtain extraneous light and projects the cmos imaging sensor；
The cmos imaging sensor is used to export the vision signal of digital form；
The data converter obtains first environment image and is sent to institute for being encoded, being modulated by the vision signal
State image processing module.
8. automobile rearview mirror as claimed in claim 7, which is characterized in that the data converter and described image processing module
It is electrically connected by transmission cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721579360.7U CN207594828U (en) | 2017-11-22 | 2017-11-22 | Automobile rearview mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721579360.7U CN207594828U (en) | 2017-11-22 | 2017-11-22 | Automobile rearview mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207594828U true CN207594828U (en) | 2018-07-10 |
Family
ID=62760486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721579360.7U Expired - Fee Related CN207594828U (en) | 2017-11-22 | 2017-11-22 | Automobile rearview mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207594828U (en) |
-
2017
- 2017-11-22 CN CN201721579360.7U patent/CN207594828U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180710 |