CN206485268U - Without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems - Google Patents
Without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems Download PDFInfo
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- CN206485268U CN206485268U CN201621201424.5U CN201621201424U CN206485268U CN 206485268 U CN206485268 U CN 206485268U CN 201621201424 U CN201621201424 U CN 201621201424U CN 206485268 U CN206485268 U CN 206485268U
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Abstract
The utility model discloses one kind without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, provided with camera, electric power loop to system power supply, position sensor measurement module, single chip control module, dynamic OSD tracks line generator, image sensor module, image display, steering wheel angle signal and CAN_BUS without vehicle CAN _ BUS are communicated, detect that vehicle changes angle on the axles of X/Y/Z tri- by installation site sensor measurement module, dynamic OSD tracks line generator produces dynamic OSD trajectories, image sensor module is the Scenery Imaging of vehicle periphery in image sensor surface, convert optical signals into electric signal, and dynamic OSD trajectories are superimposed on vision signal, it is output to image display and carries out display image, it is effective to improve driver and park the security of process, reduce the generation of security incident, to meet the practical application request of numerous drivers.
Description
Technical field
The utility model is related to vehicle imaging system, automobile monitoring device technical field, particularly relates to one kind without CAN_
BUS communication automobile dynamic trajectory rear camera backsight image systems.
Background technology
As economic develops rapidly, the continuous improvement of people's living standard, current family car has been increasingly becoming thousand
The necessity at ten thousand families of family, and for general operator, often occur and barrier during backing parking
The phenomenon of scratch, is not easy to automobile parking in preferable position, while there is also certain potential safety hazard.
After being equiped with the problem of in order to solve to occur to scratch with barrier during above-mentioned park, more vehicle
Depending on image system, also referred to as parking assist apparatus, safety aid when being automobile parking or reversing, with sound or
Person's image format informs the barrier situation of driver's motor vehicle environment, relieves puzzlement caused when driver parks, moved backward,
And help driver to clear away the defect of blind area and blurred vision, improve the security driven.Parking on the market at present
Servicing unit is based on radar for backing car and reverse image system.
And automobile front camera and rear camera is as vehicle imaging system and the acquisition elements of supervising device, in view of seeing image before and after vehicle
As the steering wheel angle signal that the dynamic path in system needs real vehicle to possess CAN_BUS could be formed, and aid in driver light
Pine is parked.At present, existing front-and rear-view image system must all obtain steering wheel for vehicle corner letter from the CAN_BUS buses of vehicle
Number, however, do not have CAN_BUS buses in part low and middle-end vehicle, therefore dynamic driving trace needed for vehicle parking can not have been realized
Line, and then greatly affected the security during driver parks.
Therefore, it is necessary to one kind is designed without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is above-mentioned to solve
Technical problem.
Utility model content
For problem present in background technology, the purpose of this utility model is to provide one kind without CAN_BUS communication automobiles
Dynamic trajectory rear camera backsight image system, it is simple in construction, precisely dynamic trajectory of parking is provided for driver, to improve process of parking
In security, traffic accident is reduced, to meet the practical application request of numerous drivers.
What the technical solution of the utility model was realized in：One kind is without CAN_BUS communication automobile dynamic trajectory rear camera backsights
Image system, provided with camera, including electric power loop, position sensor measurement module, single-chip microcomputer control mould to system power supply
Block, dynamic OSD tracks line generator, image sensor module and image display, wherein, position sensor measurement module can be examined
Survey the static acceleration of gravity of camera and the dynamic acceleration during parking, measurement acceleration of gravity changes number
Value, parsing acceleration of gravity with its between centers of X/Y/Z tri- component；Differential capacitance unbalance degree is proportional to 3-axis acceleration value
Size, the analog voltage that is directly proportional to acceleration of amplitude of sensor output, by A/D change after be stored in memory, can be by
Data transfer is to single chip control module；Dynamic OSD tracks line generator can be according to camera installation site parameter and camera
Lens optical parameter calculate dynamic OSD trajectories；Image sensor module passes the Scenery Imaging of vehicle periphery in image
Sensor surfaces, convert optical signals into electric signal, and dynamic OSD trajectories are superimposed on vision signal, are output to image and show
Device carries out display image.
In the above-mentioned technical solutions, the camera is high-definition camera.
In the above-mentioned technical solutions, camera is detected using digital MEMS in the position sensor measurement module
Static acceleration of gravity and the dynamic acceleration during parking.
In the above-mentioned technical solutions, the memory in the position sensor measurement module is FIFO memory.
In the above-mentioned technical solutions, the position sensor measurement module transfers data to single-chip microcomputer by SPI interface
Control module.
In the above-mentioned technical solutions, the single chip control module is provided with MCU chip.
In the above-mentioned technical solutions, the single chip control module has Flash ROM and SRAM memory.
In the above-mentioned technical solutions, the integrated JTAG of the single chip control module, supports online programming.
In the above-mentioned technical solutions, the single chip control module possesses the analog and digital interface needed for control system,
Including A/D, house dog, serial communication, PWM, interruption, calculated for data collections, digital-to-analog conversion, three-dimensional perspective and
The function of Image Sensor communications.
In the above-mentioned technical solutions, described image display is LCD display.
The utility model is without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, without vehicle CAN _ BUS's
Steering wheel angle signal and CAN_BUS communications, detect vehicle in X/Y/Z tri- by increasing installation site sensor measurement module
Change angle on axle, and dynamic OSD tracks line generator produces dynamic OSD trajectories, and image sensor module is in vehicle week
The Scenery Imaging enclosed converts optical signals into electric signal, and dynamic OSD trajectories are superimposed on video in image sensor surface
Signal, is output to image display and carries out display image, it is effective improve driver park process security, reduce safe thing
Therefore generation, to meet the practical application request of numerous drivers.
Brief description of the drawings
Fig. 1 is the utility model without CAN_BUS communication automobile dynamic trajectory rear camera backsight image system structural representations；
Fig. 2 is the angular relationship schematic diagram of component and object of the acceleration of gravity on three axles in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole realities
Apply example.Based on the embodiment in the utility model, those of ordinary skill in the art institute under the premise of creative work is not made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in figure 1, one kind described in the utility model is without CAN_BUS communication automobile dynamic trajectory rear camera backsight images system
System, backsight image system as all can provided with camera, in the present system, using high-definition camera, be further provided with use
Produced in the electric power loop 1 of system power supply, position sensor measurement module 2, single chip control module 3, dynamic OSD trajectories
Device 4, image sensor module 5 and image display 6.
Wherein, using digital MEMS in position sensor measurement module 2, it can detect that the static weight of camera herein
Power acceleration, the dynamic acceleration during also measurable camera is parked can be for measurement camera by design of hardware and software
Acceleration of gravity change numerical value, then parse acceleration of gravity with it in the component of the between centers of X/Y/Z tri-, finally utilize solution
Calculate formula and obtain angle value of the object in three-dimensional.Wherein, the angle of component and object of the acceleration of gravity on three axles is closed
System is as shown in Fig. 2 calculation formula is respectively：
On installation site sensor measurement module 2 after electricity, according to its state in which, the unbalance journey of differential capacitance in chip
Degree is proportional to the size of 3-axis acceleration value, and the analog voltage that the amplitude that sensor is exported is directly proportional to acceleration is turned by A/D
FIFO memory is stored in after changing, external microcontroller control module 3 is transferred data to finally by SPI interface.
Single chip control module 3 is provided with MCU chip, using with Flash ROM and SRAM memory, and integrated JTAG branch
Online programming is held, possesses the analog and digital interface needed for control system, including A/D, house dog, serial communication, PWM, interruption
Etc. function, its major function is to be used for data collections, digital-to-analog conversion, three-dimensional perspective calculating and Image Sensor communications
Etc. function.
Dynamic OSD tracks line generator 4 is according to the installation site parameter of camera and the lens optical parameter meter of camera
Calculate dynamic OSD trajectories, light in image sensor surface, is believed the Scenery Imaging of vehicle periphery by image sensor module 5
Number electric signal is converted into, and the dynamic OSD trajectories that dynamic OSD tracks line generator 4 is calculated are superimposed on vision signal, it is defeated
Go out to image display 6 and carry out display image, it is preferred that image display 6 is LCD display.
The utility model is without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, without vehicle CAN _ BUS's
Steering wheel angle signal and CAN_BUS communications, detect vehicle in X/Y/Z tri- by increasing installation site sensor measurement module
Change angle on axle, and dynamic OSD tracks line generator produces dynamic OSD trajectories, and image sensor module is in vehicle week
The Scenery Imaging enclosed converts optical signals into electric signal, and dynamic OSD trajectories are superimposed on video in image sensor surface
Signal, is output to image display and carries out display image, it is effective improve driver park process security, reduce safe thing
Therefore generation, to meet the practical application request of numerous drivers.Code controller is solved without CAN simultaneously, the system is used for integrated
Inside camera or root root customer demand formation independent component, flexible system configuration mode, it is easy to real vehicle assembling, using car
It is wide.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (10)
1. one kind is without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, provided with camera, it is characterised in that：Including
Electric power loop, position sensor measurement module, single chip control module, dynamic OSD tracks line generator, figure to system power supply
As sensor assembly and image display, wherein, position sensor measurement module can detect the static acceleration of gravity of camera
With the dynamic acceleration during parking, measurement acceleration of gravity changes numerical value, and parsing acceleration of gravity is with it in X/
The component of the between centers of Y/Z tri-；Differential capacitance unbalance degree is proportional to the size of 3-axis acceleration value, and the amplitude of sensor output is with adding
The analog voltage that speed is directly proportional, by A/D change after be stored in memory, single chip control module can be transferred data to；It is dynamic
State OSD tracks line generator can calculate dynamic OSD according to the lens optical parameter of camera installation site parameter and camera
Trajectory；The Scenery Imaging of vehicle periphery in image sensor surface, is converted optical signals into telecommunications by image sensor module
Number, and dynamic OSD trajectories are superimposed on vision signal, it is output to image display and carries out display image.
2. it is according to claim 1 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
The camera is high-definition camera.
3. it is according to claim 1 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
Using digital MEMS in the position sensor measurement module, detect the static acceleration of gravity of camera and parking
Dynamic acceleration in journey.
4. it is according to claim 1 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
Memory in the position sensor measurement module is FIFO memory.
5. it is according to claim 1 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
The position sensor measurement module transfers data to single chip control module by SPI interface.
6. it is according to claim 1 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
The single chip control module is provided with MCU chip.
7. it is according to claim 6 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
The single chip control module has Flash ROM and SRAM memory.
8. it is according to claim 7 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
The integrated JTAG of single chip control module, supports online programming.
9. it is according to claim 8 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
The single chip control module possesses the analog and digital interface needed for control system, including A/D, house dog, serial communication,
PWM, interruption, are gathered, digital-to-analog is changed, three-dimensional perspective is calculated and the function of Image Sensor communications for data.
10. it is according to claim 1 without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems, it is characterised in that：
Described image display is LCD display.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016207215634 | 2016-07-07 | ||
| CN201620721563 | 2016-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206485268U true CN206485268U (en) | 2017-09-12 |
Family
ID=59768637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621201424.5U Withdrawn - After Issue CN206485268U (en) | 2016-07-07 | 2016-11-08 | Without CAN_BUS communication automobile dynamic trajectory rear camera backsight image systems |
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| Country | Link |
|---|---|
| CN (1) | CN206485268U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379238A (en) * | 2016-07-07 | 2017-02-08 | 广州勘帝德电子科技有限公司 | Intelligent vehicle dynamic trajectory rearview image system without CAN_BUS |
-
2016
- 2016-11-08 CN CN201621201424.5U patent/CN206485268U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106379238A (en) * | 2016-07-07 | 2017-02-08 | 广州勘帝德电子科技有限公司 | Intelligent vehicle dynamic trajectory rearview image system without CAN_BUS |
| CN106379238B (en) * | 2016-07-07 | 2018-11-02 | 广州勘帝德电子科技有限公司 | Without CAN_BUS intelligent vehicle dynamic trajectory rear camera backsight image systems |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170912 Effective date of abandoning: 20181102 |
|
| AV01 | Patent right actively abandoned |