CN205281313U - Display screen angle governing system and display device - Google Patents

Abstract

The embodiment of the utility model discloses display screen angle governing system and display device. Display screen angle governing system includes: information acquisition device for gather the relative position of people's eye, the treater, with information acquisition device connects, is used for the basis the relative position that information acquisition device gathered calculates and obtains rotation angle, rotary actuator, with the treater is connected for the drive display screen is rotatory rotation angle. The embodiment of the utility model provides a display screen angle governing system has realized the angle that need not manually operation's automatic adjustment display screen, has realized the automatic straightening visual angle promptly.

Description

A kind of display screen angular adjustment system and display device

Technical field

This utility model embodiment relates to automatic control technology, particularly relates to a kind of display screen angular adjustment system and display device.

Background technology

Along with the development of computer technology, the work of people, study etc. increasingly be unable to do without computer, how to make computer more humane, use the more comfortable focus becoming people's concern.

At present, the visual angle of computer display is less, and people are frequently encountered the problem needing due to the change of sitting posture to adjust display screen angle in use. Prior art there are some devices adjusting display screen angle display screen can be carried out adjustment manually or automatically.

But, device of the prior art is both for desktop computer etc. to be had the equipment of separate display screens and designs, for the equipment that the display screens such as notebook computer are connected with main frame, when carrying out the actions such as sitting posture change, still need to repeat to manually adjust the angle of display screen, bring inconvenience to routine use.

Summary of the invention

This utility model provides a kind of display screen angular adjustment system and display device, corrects visual angle with realization by automatically adjusting the angle of display screen.

First aspect, this utility model embodiment provides a kind of display screen angular adjustment system, including:

Information acquisition device, for gathering the relative position of human eye;

Processor, is connected with described information acquisition device, and the relative position for gathering according to described information acquisition device calculates and obtains the anglec of rotation;

Rotating driver, is connected with described processor, is used for driving display screen to rotate the described anglec of rotation.

Further, described information acquisition device includes photographic head and distance measuring sensor, wherein said photographic head and described distance measuring sensor and coordinates the relative distance and relative angle that gather human eye and described display screen.

Further, described distance measuring sensor is infrared distance sensor, and the chassis being arranged in display device belonging to described display screen deviates from the frame of display screen.

Further, described rotating driver includes motor, drive mechanism and display screen rotating shaft,

Described motor is connected with described processor, is used for driving described drive mechanism to rotate;

Described drive mechanism, by driving described display screen rotating shaft to rotate, drives display screen to rotate the described anglec of rotation;

Further, described drive mechanism includes the first gear, the second gear and the first rotating shaft, wherein,

Described first rotating shaft is fixed on the axle center of described first gear, and axially extending along described first gear, and described motor is fixing with described first rotating shaft to be connected;

Described display screen rotating shaft is fixed on the axle center of described second gear, and axially extending along described second gear, and described second gear engages with described first gear.

Second aspect, this utility model embodiment additionally provides a kind of display device, including arbitrary display screen angular adjustment system that this utility model any embodiment provides;

Further, described display device is notebook computer.

This utility model embodiment provides a kind of display screen angular adjustment system and display device, by gathering the relative position of human eye, and control display screen and rotate the anglec of rotation corresponding to relative position of human eye, solve when carrying out the actions such as sitting posture change, the problem that need to repeat to manually adjust the angle of display screen, achieve the angle automatically adjusting display screen without manual operation, namely achieve automatic straightening visual angle.

Accompanying drawing explanation

Fig. 1 is the structure chart of a kind of display screen angular adjustment system in this utility model embodiment one;

Fig. 2 is the display screen visible angle schematic diagram in this utility model embodiment one;

Fig. 3 is the workflow diagram of the display screen angular adjustment system in this utility model embodiment one;

Fig. 4 is the visual angle schematic diagram of the relative display screen of the human eye in this utility model embodiment two;

Fig. 5 is the schematic diagram that the information acquisition device in this utility model embodiment two gathers human eye relative position;

Fig. 6 is the structure chart of the rotating driver in this utility model embodiment three;

Fig. 7 is the structure chart of the drive mechanism in this utility model embodiment three;

Fig. 8 is the structure chart of a kind of display device in this utility model embodiment four.

Detailed description of the invention

Below in conjunction with drawings and Examples, the utility model is described in further detail. It is understood that specific embodiment described herein is used only for explaining this utility model, but not to restriction of the present utility model. It also should be noted that, for the ease of describing, accompanying drawing illustrate only the part relevant to this utility model but not entire infrastructure.

Embodiment one

Fig. 1 is the structure chart of a kind of display screen angular adjustment system in this utility model embodiment one. As it is shown in figure 1, present embodiments provide a kind of display screen angular adjustment system, including: information acquisition device 110, processor 120 and rotating driver 130.

Wherein, described information acquisition device 110, for gathering the relative position of human eye;

Described processor 120, is connected with described information acquisition device 110, and the relative position for gathering according to described information acquisition device 110 calculates and obtains the anglec of rotation;

Described rotating driver 130, is connected with described processor 120, is used for driving display screen to rotate the described anglec of rotation.

Visible angle is to affect user to observe the important parameter of visual experience during display screen. Visible angle, refers to that user can the clearly angle of all the elements on view screen from different directions. The size of visible angle, size and the best of determining user's visual range view and admire angle.

Visible angle includes horizontal viewable angle and plumb visible angle two indices, horizontal viewable angle represents and is as the criterion with the vertical normal (i.e. the vertical imaginary line of display middle) of display, remaining able to see display image normally on the position being perpendicular to normal left or right certain angle, this angular range is exactly the horizontal viewable angle of display screen; If be as the criterion with vertical normal equally, upper and lower visible angle scope is known as plumb visible angle.

Fig. 2 is the display screen visible angle schematic diagram in this utility model embodiment one. As in figure 2 it is shown, �� x+ and horizontal viewable angle that �� x-is display screen, �� y+ and the plumb visible angle that �� y-is display screen. In this utility model embodiment, display screen is parallel with x+x-axle with the connection axle of main frame, because display screen rotates around described connection axle only, and therefore the present embodiment only adjustable vertical angle of view.

Fig. 3 is the workflow diagram of the display screen angular adjustment system in this utility model embodiment one. In conjunction with Fig. 1 and Fig. 3, in the process of equipment work, opening automatic regulating function, described information acquisition device 110 gathers the relative position of the relative display screen of human eye. Processor 120 calculates the visual angle obtaining human eye, it is judged that whether described visual angle is qualified, namely judges whether described visual angle exceeds the visible angle of display screen. If described visual angle is within the scope of the visible angle of display screen, then without adjusting screen position; If beyond the visible angle of display screen, described rotating driver 130 can be passed through and adjust screen position, make human eye be in optimal viewing angle. The visual angle of human eye when optimal viewing angle described in the present embodiment and vertical angle of view are zero degree.

Present embodiments provide a kind of display screen angular adjustment system, solve when carrying out the actions such as sitting posture change, the problem that need to repeat to manually adjust the angle of display screen, it is achieved that correct visual angle by automatically adjusting the angle of display screen.

Embodiment two

The present embodiment is on the basis of above-described embodiment, information acquisition device work in display screen angular adjustment system is optimized further: described information acquisition device includes photographic head and distance measuring sensor, wherein said photographic head and described distance measuring sensor and coordinates the relative distance and relative angle that gather human eye and described display screen.

Fig. 4 is the visual angle schematic diagram of the relative display screen of the human eye in this utility model embodiment two. As shown in Figure 4, in figure, two centre positions with people represent position of human eye, and S1 and S2 represents two positions at human eye place respectively. When human eye is positioned at S1, the vertical angle of view of the relative display screen of human eye is zero degree, and now human eye position is optimal viewing angle, it is not necessary to adjust; When human eye is positioned at S2, the vertical angle of view of human eye is ��, if �� is within the scope of the visible angle of display screen, without adjusting screen position, if beyond display screen visible angle, then can adjust screen position to optimal viewing angle.

Fig. 5 is the schematic diagram that the information acquisition device in this utility model embodiment two gathers human eye relative position. As it is shown in figure 5, further, described distance measuring sensor 210 is infrared distance sensor, and the chassis being arranged in display device belonging to described display screen deviates from the frame of display screen.

Concrete, as it is shown in figure 5, obtain L1 by infrared distance sensor, the angle �� 3 and display screen width L4 of currently displaying screen Yu main frame obtain L2, photographic head 220 detect human eye and draw L3 with horizontal range height through focused images ratio, then:

�� 1=arctan (L3/ (L1+L5+L2)),

�� 2 can be drawn by the angle �� 3 of screen Yu main frame, then:

��=�� 1+ �� 2,

$a=\frac{L3}{sin\mathrm{\γ}1},$

$\mathrm{\β}=\arccos \left(\frac{L4/2-a*cos\mathrm{\α}}{\sqrt{{(L4/2)}^2+a^2-a*L4*cos\mathrm{\α}}}\right),$

Then the vertical angle of view of human eye is:

��=| ��-90 �� |.

Present embodiments provide a kind of display screen angular adjustment system, photographic head is adopted to coordinate the relative distance and relative angle obtaining human eye and display screen with distance measuring sensor, and then the visual angle of human eye can be obtained, it is achieved that correct visual angle by automatically adjusting the angle of display screen.

Embodiment three

Rotating driver in display screen angular adjustment system, on the basis of above-described embodiment, is optimized by this utility model embodiment. Fig. 6 is the structure chart of the rotating driver in this utility model embodiment three. As shown in Figure 6, described rotating driver 130 includes motor 310, drive mechanism 320 and display screen rotating shaft 330.

Wherein, described motor 310 is connected with described processor, is used for driving described drive mechanism 320 to rotate;

Described drive mechanism 320, by driving described display screen rotating shaft 330 to rotate, drives display screen to rotate the described anglec of rotation.

Wherein, described motor 310 can be servomotor, it is also possible to be motor etc., as long as meeting required precision, concrete form does not limit. Described drive mechanism 320 can be turbine and worm drive mechanism, it is also possible to be gear drive, as long as meeting that volume is little, being easily installed, fast response time and disclosure satisfy that required precision, concrete form does not limit. Described display screen rotating shaft 330 is the axle that display screen is connected with main frame.

Fig. 7 is the structure chart of the drive mechanism in this utility model embodiment three. As it is shown in fig. 7, described drive mechanism specifically includes the first gear the 321, second gear 322 and the first rotating shaft 323.

Described first rotating shaft 323 is fixed on the axle center of described first gear 321, and axially extending along described first gear 321, and described motor 310 is fixing with described first rotating shaft 323 to be connected;

Described display screen rotating shaft 330 is fixed on the axle center of described second gear 322, and axially extending along described second gear 322, and described second gear 322 engages with described first gear 321.

Concrete, described first gear 321 and the second gear 322 can make 360 degree, it is also possible to making specific angle according to display screen angle adjustment scope, concrete form does not limit. Described first gear 321 is driving gear, described motor 310 drive it to rotate; Described second gear 322 is driven gear, and its anglec of rotation is the anglec of rotation of display screen.

Present embodiments provide a kind of display screen angular adjustment system, have employed that transmission efficiency is higher, gear ratio is stable, life-span length and the high gear drive of functional reliability, it is achieved that by efficient, accurately and quickly adjust the angle of display screen and correct visual angle.

Embodiment four

Fig. 8 is the structure chart of a kind of display device in this utility model embodiment four. As shown in Figure 8, a kind of display device 410 is present embodiments provided, including the display screen angular adjustment system provided in this utility model any embodiment.

Further, described display device 410 is notebook computer.

The display device provided in the present embodiment, is achieved by display screen angular adjustment system and corrects visual angle by automatically adjusting the angle of display screen, improve Consumer's Experience.

Note, above are only preferred embodiment of the present utility model and institute's application technology principle. It will be appreciated by those skilled in the art that this utility model is not limited to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute without departing from protection domain of the present utility model. Therefore, although this utility model being described in further detail by above example, but this utility model is not limited only to above example, when conceiving without departing from this utility model, other Equivalent embodiments more can also be included, and scope of the present utility model is determined by appended right.

Claims (6)

1. a display screen angular adjustment system, it is characterised in that including:

Information acquisition device, for gathering the relative position of human eye;

Processor, is connected with described information acquisition device, and the relative position for gathering according to described information acquisition device calculates and obtains the anglec of rotation;

Rotating driver, is connected with described processor, is used for driving display screen to rotate the described anglec of rotation;

Described information acquisition device includes photographic head and distance measuring sensor, wherein said photographic head and described distance measuring sensor and coordinates the relative distance and relative angle that gather human eye and described display screen.

2. system according to claim 1, it is characterised in that described distance measuring sensor is infrared distance sensor, the chassis being arranged in display device belonging to described display screen deviates from the frame of display screen.

3. system according to claim 1, it is characterised in that described rotating driver includes motor, drive mechanism and display screen rotating shaft,

Described motor is connected with described processor, is used for driving described drive mechanism to rotate;

Described drive mechanism, by driving described display screen rotating shaft to rotate, drives display screen to rotate the described anglec of rotation.

4. system according to claim 3, it is characterised in that described drive mechanism includes the first gear, the second gear and the first rotating shaft, wherein,

Described first rotating shaft is fixed on the axle center of described first gear, and axially extending along described first gear, and described motor is fixing with described first rotating shaft to be connected;

Described display screen rotating shaft is fixed on the axle center of described second gear, and axially extending along described second gear, and described second gear engages with described first gear.

5. a display device, it is characterised in that include the arbitrary described display screen angular adjustment system of claim 1-4.

6. display device according to claim 5, it is characterised in that described display device is notebook computer.