CN105459865A - Vehicle-mounted back-row headrest with intelligent adjustment display function and implementation method - Google Patents
Vehicle-mounted back-row headrest with intelligent adjustment display function and implementation method Download PDFInfo
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- CN105459865A CN105459865A CN201510801872.2A CN201510801872A CN105459865A CN 105459865 A CN105459865 A CN 105459865A CN 201510801872 A CN201510801872 A CN 201510801872A CN 105459865 A CN105459865 A CN 105459865A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/80—Head-rests
- B60N2/879—Head-rests with additional features not related to head-rest positioning, e.g. heating or cooling devices or loudspeakers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/10—Intensity circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a vehicle-mounted back-row headrest with an intelligent adjustment display function and an implementation method. The vehicle-mounted back-row headrest comprises a back-row headrest body as well as an ARM processing system module, a microprocessor unit, a display screen module unit and a brightness induction unit which are arranged on the back-row headrest body, wherein the brightness induction unit, the microprocessor unit, the ARM processing system module and the display screen module unit are sequentially connected. By arranging the brightness induction unit in the vehicle-mounted back-row headrest system disclosed by the invention, the ambient brightness can be detected according to the brightness induction unit, and intelligent adjustment on screen brightness can be realized.
Description
Technical field
The present invention relates to vehicle electronics field, particularly relate to a kind of vehicle-mounted rear file leader's pillow and the implementation method with Intelligent adjustment Presentation Function.
Background technology
Along with the continuous progress of social life level and improving constantly of state-of-art, people's periphery electronic machine gets more and more, various computer, mobile phone, automotive entertainment system etc. have entered the life range of people, and the work of people, contact, traffic all be unable to do without these electronic products; And the hypometropia of the mankind increases considerably, one of maximum reason excessively uses electronic equipment screen radiation to cause for long-term, the infringement such as cause eyes uncomfortable, near-sighted.
At present, vehicle-mounted rear row's head rest device great majority are for artificially manually to arrange to regulate brightness, in use the few can go to regulate brightness, also its screen intensity of some low side headrest product is directly fixed unadjustable, these details are easy to be ignored by user, so easily cause eye strain, cause the problems such as myopia.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of vehicle-mounted rear file leader pillow and the implementation method with Intelligent adjustment Presentation Function, be intended to solve existing vehicle-mounted rear file leader and rest the head on the problem that its screen intensity cannot regulate automatically.
Technical scheme of the present invention is as follows:
A kind of vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function, wherein, comprise rear row's head rest body, be arranged on the ARM processing system modules in rear row's head rest body, microprocessor unit, display panel module unit, brightness impression unit, described brightness impression unit, microprocessor unit, ARM processing system modules, display panel module unit connect successively.
Described vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function, wherein, described microprocessor unit connects described display panel module unit by a display backlight driver element.
Described vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function, wherein, described display panel module unit comprises a read-out, and described brightness impression unit is arranged on a display screen.
Described vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function, wherein, on described read-out, the position of brightness impression unit is set to transparent material.
Described vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function, wherein, be provided with a CPU module in described ARM processing system modules, and be connected to Audio processing module, power adaptation module, the DDR memory module of described CPU module.
There is an implementation method for vehicle-mounted rear file leader's pillow of Intelligent adjustment Presentation Function as above, wherein, comprise step:
Brightness impression unit is sampled constantly to current ambient brightness and is exported AD value, the AD value sampled is transported to microprocessor unit, computing contrast is carried out by microprocessor unit and default environment value, computing comparing result is sent to ARM processing system modules, performs corresponding adjusting screen ginseng value task by described ARM processing system modules.
Described implementation method, wherein, described microprocessor unit connects described display panel module unit by a display backlight driver element, described microprocessor unit exports PWM pulse width signal to described display backlight driver element, is controlled the display brightness of display panel module unit by described display backlight driver element.
Described implementation method, wherein, described display panel module unit comprises a read-out, and described brightness impression unit is arranged on a display screen.
Described implementation method, wherein, on described read-out, the position of brightness impression unit is set to transparent material.
Described implementation method, wherein, described microprocessor unit carries out communication by serial mode and ARM processing system modules.
Beneficial effect: be provided with brightness impression unit in the vehicle-mounted rear row's head restraint systems of the present invention, carry out testing environment brightness according to brightness impression unit, and realize Intelligent adjustment screen intensity.
Accompanying drawing explanation
Fig. 1 is the structural representation that a kind of vehicle-mounted rear file leader with Intelligent adjustment Presentation Function of the present invention rests the head on preferred embodiment.
Detailed description of the invention
The invention provides a kind of vehicle-mounted rear file leader's pillow and the implementation method with Intelligent adjustment Presentation Function, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the structural representation that a kind of vehicle-mounted rear file leader with Intelligent adjustment Presentation Function of the present invention rests the head on preferred embodiment, as shown in the figure, it comprises rear row's head rest body, be arranged on the ARM processing system modules 20 in rear row's head rest body, microprocessor unit 30, display panel module unit 10, brightness impression unit 40, described brightness impression unit 40, microprocessor unit 30, ARM processing system modules 20, display panel module unit 10 connect successively.
Described microprocessor unit 30 connects described display panel module unit 10 by a display backlight driver element 50.
Described display panel module unit 10 comprises a read-out, and described brightness impression unit 40 is arranged on a display screen.
On described read-out, the position of brightness impression unit 40 is set to transparent material.
Described brightness impression unit 40 is provided with a light sensor, light sensor can select MAX44009 model, it is a kind of analog/digital output device, can work in the power line voltage scope of 3.0V to 3.6V, frequency of operation is 10 ~ 100kHz, the range of temperatures of 0 ~ 70 DEG C, can operational excellence under various brightness.Described light sensor has the signal converter (as photodiode or Cds photoconductive cell), signal amplification control apparatus and the A and D converter (ADC) that optical signal are converted to electric signal, it all signals can be amplified control apparatus and A and D converter is integrated in encapsulation smaller size smaller, as (UTDFN encapsulation) in 2mm × 2mm.Photodiode is wherein discrete photodiode, and it comprises one or more op amp: one of them may also need one-level to amplify for the conversion of electric current to voltage, provide additional gain.Described photodiode also comprises derived circuit, for power supply, guarantees height failure-free signal chains.In order to reduce ultrared interference, described light sensor can use two photodiodes, one adopts the element all responsive to visible ray and infrared light, another only adopts infrared light activated element, the final response deducting the latter by the former response, infrared light impact is down to minimum, can obtains visible light-responded accurately.
Brightness impression unit 40 is arranged on and (as on the panel of read-out) on read-out, it is the optimum position of ambient brightness sampling, and the panel of brightness impression unit 40 position is transparent material, ensure that ambient brightness can not be subject to any blocking and decay thus make brightness impression unit 40 ambient light unaffected, consistent with actual environment brightness, ensure the accuracy of brightness impression unit 40 pairs of ambient brightness samplings.Use habit and the demand of different people is met for better embodying hommization, the selectable regulative mode of design in system, as selected Intelligent adjustment, system will close manual setting automatically, select to close Intelligent adjustment, system provides user manual regulation by automatically opening manually to arrange, and system default is Intelligent adjustment.
System default opens Intelligent adjustment function (i.e. brightness impression unit 40), this brightness impression unit 40 is sampled constantly to current ambient brightness and is exported an AD value, sampling AD value is transported to microprocessor unit 30, computing contrast is carried out by microprocessor unit 30 and default current context value, computing comparing result is sent to ARM processing system modules 20, performs corresponding adjusting screen ginseng value task by described ARM processing system modules 20.
Specifically, a road PWM pulse width signal is exported to display backlight driver element 50 by microprocessor unit 30, this PWM pulse width signal adjustable display backlight driver element 50 outputs to the electric current of display panel module unit 10, to control the brightness of read-out, realizes the Intelligent adjustment of brightness of display screen.
The communication of separately leading up to serial mode and ARM processing system modules 20 of microprocessor unit 30, realize replacing of information, computing comparing result according to microprocessor unit 30 is sent to ARM processing system modules 20, corresponding adjusting screen ginseng value task is performed by described ARM processing system modules, specifically adjusted by the video RGB tristimulus signals of ARM processing system modules 20 to each functional status, and the video RGB tristimulus signals after adjustment are outputted to display panel module unit and carry out image display, allow image show and become soft etc., alleviate visual fatigue phenomenon.Can judge that current is daytime, cloudy day or evening by vehicle-mounted rear file leader of the present invention, thus the brightness of display screen of Intelligent adjustment native system and colour temperature, reduce visual fatigue.
Such as, in advance ambient brightness is divided into multiple grade, such as be divided into five grades from low to high: the first estate, the second grade, the tertiary gradient, the fourth estate, the 5th grade (five grades are scope), these five grades are corresponding different brightness of display screen and colour temperature respectively, when detecting that current ambient brightness belongs to some grades, then control adjustment read-out to corresponding brightness and colour temperature.The brightness range of such as read-out is from 0 to 100, when so current environment brightness belongs to the first estate, then brightness of display screen is adjusted to 20, if when current environment brightness belongs to the second grade, then brightness of display screen is adjusted to 40, if when current environment brightness belongs to the tertiary gradient, then brightness of display screen is adjusted to 60, if when current environment brightness belongs to the fourth estate, then brightness of display screen is adjusted to 80, if when current environment brightness belongs to the 5th grade, then brightness of display screen is adjusted to 100.Correspondingly, colour temperature also regulates in the manner described above, the corresponding colour temperature 3500K of the first estate, the corresponding colour temperature 5000K of the second grade, the corresponding colour temperature 6500K of the tertiary gradient, the corresponding colour temperature 8000K of the fourth estate, the corresponding colour temperature 9500K of the 5th grade.
Be provided with a CPU module in described ARM processing system modules 20, be connected to the Audio processing module of described CPU module, power adaptation module, DDR memory module, Video & RGB processing module etc.Described ARM processing system modules 10 can be specifically ARM10E treater, adopt the memory construction of instruction and data separating, interior band 32 × 16MAC, leaves SDP coprocessor interface, VFP10(vector floating-point unit wherein) be seven grades of flowing structures, system clock is 300MHz clock.Described display panel module 10 comprises at least one piece of read-out, and described read-out can adopt capacitance touch screen, and described read-out size can be rested the head on overall adaptive, no more than the size that rear file leader rests the head on rear file leader.Such as arrange two pieces of read-outs, the size of two pieces of read-outs can be 7 ~ 14 cun, such as 10 cun.
Based on said system, the present invention also provides a kind of implementation method as above with vehicle-mounted rear file leader's pillow of Intelligent adjustment Presentation Function, and it comprises step:
Brightness impression unit is sampled constantly to current ambient brightness and is exported AD value, the AD value sampled is transported to microprocessor unit, computing contrast is carried out by microprocessor unit and default environment value, computing comparing result is sent to ARM processing system modules, performs corresponding adjusting screen ginseng value task by described ARM processing system modules.
Further, described microprocessor unit connects described display panel module unit by a display backlight driver element, described microprocessor unit exports PWM pulse width signal to described display backlight driver element, is controlled the display brightness of display panel module unit by described display backlight driver element.
Further, described display panel module unit comprises a read-out, and described brightness impression unit is arranged on a display screen.
Further, on described read-out, the position of brightness impression unit is set to transparent material.
Further, in described ARM processing system modules, be provided with a CPU module, and be connected to Audio processing module, power adaptation module, the DDR memory module of described CPU module.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. one kind has vehicle-mounted rear file leader's pillow of Intelligent adjustment Presentation Function, it is characterized in that, comprise rear row's head rest body, be arranged on the ARM processing system modules in rear row's head rest body, microprocessor unit, display panel module unit, brightness impression unit, described brightness impression unit, microprocessor unit, ARM processing system modules, display panel module unit connect successively.
2. vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function according to claim 1, it is characterized in that, described microprocessor unit connects described display panel module unit by a display backlight driver element.
3. vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function according to claim 1, it is characterized in that, described display panel module unit comprises a read-out, and described brightness impression unit is arranged on a display screen.
4. vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function according to claim 3, it is characterized in that, on described read-out, the position of brightness impression unit is set to transparent material.
5. vehicle-mounted rear file leader's pillow with Intelligent adjustment Presentation Function according to claim 1, it is characterized in that, be provided with a CPU module in described ARM processing system modules, and be connected to Audio processing module, power adaptation module, the DDR memory module of described CPU module.
6. there is an implementation method for vehicle-mounted rear file leader's pillow of Intelligent adjustment Presentation Function as claimed in claim 1, it is characterized in that, comprise step:
Brightness impression unit is sampled constantly to current ambient brightness and is exported AD value, the AD value sampled is transported to microprocessor unit, computing contrast is carried out by microprocessor unit and default environment value, computing comparing result is sent to ARM processing system modules, performs corresponding adjusting screen ginseng value task by described ARM processing system modules.
7. implementation method according to claim 6, it is characterized in that, described microprocessor unit connects described display panel module unit by a display backlight driver element, described microprocessor unit exports PWM pulse width signal to described display backlight driver element, is controlled the display brightness of display panel module unit by described display backlight driver element.
8. implementation method according to claim 6, is characterized in that, described display panel module unit comprises a read-out, and described brightness impression unit is arranged on a display screen.
9. implementation method according to claim 8, is characterized in that, on described read-out, the position of brightness impression unit is set to transparent material.
10. implementation method according to claim 6, is characterized in that, described microprocessor unit carries out communication by serial mode and ARM processing system modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801872.2A CN105459865B (en) | 2015-11-19 | 2015-11-19 | A kind of vehicle-mounted heel row that there is intelligence to adjust display function headrest and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510801872.2A CN105459865B (en) | 2015-11-19 | 2015-11-19 | A kind of vehicle-mounted heel row that there is intelligence to adjust display function headrest and implementation method |
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| Publication Number | Publication Date |
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| CN105459865A true CN105459865A (en) | 2016-04-06 |
| CN105459865B CN105459865B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510801872.2A Expired - Fee Related CN105459865B (en) | 2015-11-19 | 2015-11-19 | A kind of vehicle-mounted heel row that there is intelligence to adjust display function headrest and implementation method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108122521A (en) * | 2016-11-30 | 2018-06-05 | 黎凯华 | A kind of headrest screen and implementation method |
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Cited By (1)
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| CN105459865B (en) | 2018-06-26 |
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