CN107627961A - A kind of vehicle-mounted head-up-display system - Google Patents
A kind of vehicle-mounted head-up-display system Download PDFInfo
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- CN107627961A CN107627961A CN201710945389.0A CN201710945389A CN107627961A CN 107627961 A CN107627961 A CN 107627961A CN 201710945389 A CN201710945389 A CN 201710945389A CN 107627961 A CN107627961 A CN 107627961A
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- mounted head
- hud
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- 238000005286 illumination Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000003384 imaging method Methods 0.000 abstract description 3
- 210000003128 head Anatomy 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Abstract
The invention discloses a kind of vehicle-mounted head-up-display system, including HUD and camera module, the HUD includes control core, Video decoding module, projection module, luminance adjustment module, intensity collection module, active illumination switch, astern signal interface, OBD interfaces and wireless connection module, the camera module includes LED module and backup camera, the HUD is placed on above instrument desk, below windshield, the camera module is placed in vehicle tail, HUD and the camera module electrical connection.The vehicle-mounted head-up-display system interconnects backup camera and vehicle-mounted new line display device, the image of rear view of vehicle is shown in reversing, driver need not bow or turn one's head, and the information of reversing needs can just be obtained by front windshield imaging, so as to ensure the safety in reversing process.
Description
Technical field
The present invention relates to new line display technology field, more particularly to a kind of vehicle-mounted head-up-display system.
Background technology
HUD (HUD, Head Up Display), also known as head-up display, it is to apply in aviation aircraft early stage
On flight supplementary instrument on aircraft at present.Using it, pilot need not bow with regard to that can get important driving information.HUD is earliest
Appear on military aircraft, reduction pilot, which bows, checks the frequency of instrument, can effectively improve drive safety.As science and technology is sent out
Exhibition, new line Display Technique have been applied to automobile manufacturing field, have occurred vehicle-mounted head-up display therewith.Vehicle-mounted head-up display
Important driving information can be shown in windshield position, driver need not bow with regard to that can obtain these information, can
To be absorbed in road conditions, drive safety and driving experience are drastically increased.
During reversing or pulling over observing, the sight of vehicle operator often concentrates on rearview mirror or positioned at instrument
Reverse image screen below platform and ignore the situation of vehicle front, when the dangerous situation of vehicle front occurs, than if any row
People by or front truck move backward, it is impossible to make counter-measure at once, be easy to cause traffic accident.
The content of the invention
The problem of sight can not concentrate on vehicle front in reversing for human pilot in the prior art, the present invention provides
A kind of vehicle-mounted head-up-display system, the system can show the image of rear view of vehicle in reversing, and driver need not bow or turn round
Head, the information of reversing needs can be just obtained by front windshield imaging, so as to ensure the safety in reversing process.
To achieve these goals, technical solution of the present invention is as follows：
Build a kind of vehicle-mounted head-up-display system, including HUD and camera module, the HUD bag
Include control core, Video decoding module, projection module, luminance adjustment module, intensity collection module, active illumination switch, reversing
Signaling interface, OBD interfaces and wireless connection module, the camera module include LED module and backup camera, the new line
Display is placed on above instrument desk below windshield, and the camera module is placed in vehicle tail, the display that comes back
Device and camera module electrical connection.
Further, the control core is single-chip microcomputer or digital signal processor.
Further, the core devices of the Video decoding module are single-chip microcomputer or dedicated video decoding chip.
Further, the core devices of the projection module are the controllable display screen of brightness, and its display content is by control core
Controlled with Video decoding module, its display brightness is controlled by luminance adjustment module.
Further, the core devices of the luminance adjustment module are LED current control chips, and its control signal is by controlling
Core provides.
Further, the core devices of the intensity collection module are photo resistance, photodiode or photistor.
Further, the active illumination switch is optocoupler or other disconnecting switch, and it controls the light on and off of LED module, its
On off state is controlled by control core.
Further, the OBD interfaces are connected by wired or wireless mode with vehicle body OBD, and the control core leads to
The vehicle body essential informations such as the real-time speed of vehicle, engine speed, water temperature, oil consumption, distance travelled can be obtained by crossing OBD interfaces.
Further, the wireless connection module is connected by way of bluetooth or WIFI with intelligent mobile terminal, by institute
The navigation information for stating intelligent mobile terminal is sent to control core in real time.
Further, the backup camera is CCD or CMOS, is connected by CVBS with Video decoding module.The LED
Module can illuminate automobile rear area in the case where the ambient brightness such as night or tunnel is low, facilitate car camera imaging.
The beneficial effects of the present invention are：The vehicle-mounted head-up-display system is by backup camera and vehicle-mounted new line display device
Interconnection, the image of rear view of vehicle is shown in reversing, driver need not bow or turn one's head, and be imaged by front windshield with regard to energy
The information that reversing needs is obtained, so as to ensure the safety in reversing process.
Brief description of the drawings
Fig. 1 is system structure diagram.
Fig. 2 is HUD perspective view.
Fig. 3 is backup camera scheme of installation.
Embodiment
In order that technical solution of the present invention and beneficial effect are more clearly understood, below in conjunction with drawings and Examples, to this
Invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, not
For limiting the present invention.
Refering to Fig. 1, a kind of vehicle-mounted head-up-display system, including HUD 1 and camera module 2, described come back show
Show that device includes control core 101, Video decoding module 102, projection module 103, luminance adjustment module 104, intensity collection module
105th, active illumination switch 106, astern signal interface 107, OBD interfaces 108 and wireless connection module 109, the shooting head mould
Block 2 includes LED module 201 and backup camera 202, and HUD 1 and camera module 2 electrically connect.
Refering to Fig. 2, vehicle-mounted title display 1 is placed on the top of instrument desk 6, the lower section of windshield 7.It is highlighted screen 1031
The information projection that will be shown comes out, and light projects windshield 7 by the reflection of speculum 1032, and through windshield 7 two
Secondary reflection enters the eyes of driver 8, and display information need not bow just in the front of windshield 7 into the virtual image 9, human pilot 8
Driving assistance information can be obtained.
Refering to Fig. 3, LED module 201 and backup camera 202 are placed in automobile tail.In the low feelings of night ambient brightness
Under condition, LED module 201 is that backup camera 202 provides floor light, backup camera 202 is captured and clearly moves backward
Image.
The control core 101 of HUD 1 is STM32F103, and STM32F103 processing speeds are fast, stable performance, power consumption
It is low.
The core devices of Video decoding module 102 are that TW8835, TW8835 and STM32 are connected by serial ports, and STM32 will
The information of display is sent to TW8835 by serial ports, and TW8835 driving display screens 1031 show corresponding contents.
The core devices of luminance adjustment module 104 are SC445, and its electric current output adjustable range is wide, no matter in the sun on daytime
In the case of direct projection or in the case of night dark the display brightness of screen 1031 and ambient brightness can be controlled to match.
STM32 is output to SC445 PWM ripples dutycycle and then the brightness of control screen 1031 by control.
The core devices of intensity collection module 105 are photo resistance, and by drive circuit, the change of environmental light intensity is converted
For the change of voltage.STM32 obtains environmental light intensity information by AD conversion, and then by controlling luminance adjustment module 104 to adjust
The projection brightness of projection module 103 is saved, reaches the adaptive effect of brightness.
OBD interfaces 108 are connected by connecting line with vehicle body OBD, in vehicle travel process control core 101 in real time from
Vehicle body OBD obtains the information such as speed, engine speed, water temperature, oil consumption, distance travelled and controls projection module to throw these information
The front of windshield 7 is mapped to, 8 need of driver watch front attentively with regard to that can obtain these information, improve drive safety and driving
Experience.
The core devices of wireless connection module 109 be bluetooth module, it is necessary to when HUD 1 pass through bluetooth and intelligent sliding
Dynamic terminal 5 is connected, and navigation information is pushed to HUD 1 and shown in the front projection of vehicle windscreen 7 by intelligent mobile terminal 5
Show.
During reversing, HUD obtains reversing information by being connected to the astern signal line 3 of astern signal interface 107,
Control the backup camera 202 being connected on Video decoding module 102 to obtain the image of rear view of vehicle and project to windshield 7
Front, 8 need of driver, which are eyed to the front, can just obtain reversing information, while can deal with the burst feelings of vehicle front generation at any time
Condition, it ensure that reversing safety.
When night moves backward, control core 101 opens active illumination switch 106, the LED module with active illumination switch connection
201 light, and illuminate rear view of vehicle reversing region.
Vehicle-mounted head-up-display system in the embodiment of the present invention can be by speed, engine speed, water temperature, oil consumption, traveling
The information such as journey and navigation information are projected in front of front windshield, and driver need not bow with regard to that can obtain these information, carry
High drive safety and driving experience；During reversing, reverse image can be projected windshield by the vehicle-mounted head-up-display system
Front, driver, which need to only eye to the front, can just obtain reversing information, while can deal with the emergency case of vehicle front generation at any time,
It ensure that reversing safety.
Embodiments of the invention are described above content combination accompanying drawing, but the invention is not limited in above-mentioned
Embodiment, above-mentioned embodiment is only schematical, and nonrestrictive, the ordinary skill people of this area
Member in the case of present inventive concept and scope of the claimed protection is not departed from, can also make very under the enlightenment of the present invention
Multi-form, these are belonged within the protection of the present invention.
Claims (10)
- A kind of 1. vehicle-mounted head-up-display system, it is characterised in that：Including HUD and camera module；The HUD includes control core, Video decoding module, projection module, luminance adjustment module, intensity collection mould Block, active illumination switch, astern signal interface, OBD interfaces and wireless connection module, the HUD are placed on instrument desk Below top, windshield；The camera module includes LED module and backup camera, and the camera module is placed in vehicle tail；HUD and the camera module electrical connection.
- 2. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The control core is single-chip microcomputer or number Word signal processor.
- 3. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The core device of the Video decoding module Part is single-chip microcomputer or dedicated video decoding chip.
- 4. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The core devices of the projection module are The controllable display screen of brightness, its display content are controlled by control core and Video decoding module, and its display brightness is by brightness regulation mould Block controls.
- 5. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The core device of the luminance adjustment module Part is LED current control chip, and its control signal is provided by control core.
- 6. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The core device of the intensity collection module Part is photo resistance, photodiode or photistor.
- 7. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：Active illumination switch for optocoupler or Other disconnecting switch, it controls the light on and off of LED module, and its on off state is controlled by control core.
- 8. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The OBD interfaces pass through wired or nothing The mode of line is connected with vehicle body OBD, and the control core can obtain the real-time speed of vehicle, engine speed, water by OBD interfaces The vehicle body essential information such as temperature, oil consumption, distance travelled.
- 9. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The wireless connection module passes through bluetooth Or WIFI is connected with intelligent mobile terminal, the navigation information of the intelligent mobile terminal is sent to control core in real time.
- 10. vehicle-mounted head-up-display system according to claim 1, it is characterised in that：The backup camera be CCD or CMOS, it is connected by CVBS with Video decoding module, the LED module provides floor light for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710945389.0A CN107627961A (en) | 2017-10-12 | 2017-10-12 | A kind of vehicle-mounted head-up-display system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710945389.0A CN107627961A (en) | 2017-10-12 | 2017-10-12 | A kind of vehicle-mounted head-up-display system |
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| CN107627961A true CN107627961A (en) | 2018-01-26 |
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| CN201710945389.0A Pending CN107627961A (en) | 2017-10-12 | 2017-10-12 | A kind of vehicle-mounted head-up-display system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426856A (en) * | 2019-09-03 | 2019-11-08 | 苏州途驰安电子科技有限公司 | A kind of vehicle-mounted head-up display with automatic color-changing atmosphere lamp function |
| CN111076742A (en) * | 2019-12-17 | 2020-04-28 | 百度国际科技（深圳）有限公司 | Display method and device of AR navigation, electronic equipment and storage medium |
| CN112140877A (en) * | 2019-06-26 | 2020-12-29 | 比亚迪股份有限公司 | Display effect control method and device of vehicle-mounted head-up display device and vehicle |
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