CN217654720U

CN217654720U - Portable viewing angle detection device

Info

Publication number: CN217654720U
Application number: CN202123237167.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Yanruijia Intelligent Technology Co ltd
Current assignee: Nanjing Yanruijia Intelligent Technology Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-10-25
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a portable viewing angle detection device, which comprises a base, wherein the upper surface of the base is provided with a slide rail, the upper surface of the base below the slide rail is also provided with a level gauge, and the slide rail comprises a guide rail and a slide block matched with the guide rail; the equipment is a portable equipment support used by hospitals, metering detection mechanisms and manufacturers for medical image display equipment or civil display equipment to detect visual angles by using brightness meters and colorimeters, and has a function of reading the visual angles, the equipment level can realize the calibration of horizontal positions and vertical positions, the detection of the visual angles is 0.5-1 degree of accurate calibration, the reading height range of the horizontal angles of the equipment is +/-400 mm, the moving distance of the center of the vertical angle is +/-200 mm, and the detection requirement of any display within 40 inches is met.

Description

Portable viewing angle detection device

Technical Field

The utility model relates to a visual angle detection device, in particular to portable visual angle detection device.

Background

The traditional visual angle detection method is that a luminance meter is manually fixed by a person and rotates along the same horizontal plane or the same vertical plane leftwards, rightwards or upwards and downwards concentrically from the initial position to be parallel to a display screen.

This operation can introduce a great deal of human error in the measurement and can result in horizontal and vertical test surfaces that are not in the horizontal and vertical planes.

SUMMERY OF THE UTILITY MODEL

The utility model provides a portable visual angle detection device is used for overcoming the not enough defect of visual angle check out test set precision when detecting among the prior art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model discloses a portable sight angle detection device, the on-line screen storage device comprises a base, the upper surface of base is equipped with the slide rail, the upper surface of slide rail below base still is equipped with the spirit level, the slide rail include the guide rail and rather than the complex slider, the guide rail is the arc setting, and the slider removes about through and comes the sampling angle.

Furthermore, the bottom surface of the base is provided with a plurality of supports.

Furthermore, the sliding block is movably connected with one end of the universal arm, and the other end of the universal arm is movably connected with the clamp.

Furthermore, a colorimeter is arranged at the joint of the universal arm.

Furthermore, a brightness meter is arranged on the clamp.

Furthermore, the upper surface of base is equipped with the bracing piece, the bracing piece passes through the support head with the guide rail and is connected.

Furthermore, the two ends of the guide rail are provided with threaded holes, and the metal support is fixed through the threaded holes and supports the guide rail.

The utility model discloses the beneficial effect who reaches is: the device is a portable device support used by hospitals, metering detection mechanisms and manufacturers for detecting visual angles by brightness meters and colorimeters for medical image display devices or civil display devices, and has a visual angle reading function, the device level can realize the calibration of horizontal positions and vertical positions, the visual angle detection is accurate calibration of 0.5-1 degrees, the horizontal angle reading height range of the device is +/-400 mm, the moving distance of a vertical angle center is +/-200 mm, and the detection requirement of any display within 40 inches is met.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the horizontal viewing angle detection of the present invention;

fig. 2 is a schematic structural diagram of the vertical viewing angle detection of the present invention.

In the figure: 1. a base; 2. a guide rail; 3. a level gauge; 4. supporting; 5. a clamp; 6. a gimbal arm; 7. a slider; 8. a support bar; 9. a support head; 10. and (4) supporting by metal.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-2, a portable viewing angle detection device comprises a base 1, wherein a slide rail is arranged on the upper surface of the base 1 in the horizontal direction, and a level 3 is arranged on the upper surface of the base 1 below the slide rail;

the slide rail comprises a guide rail 2 and a slide block 7 matched with the guide rail;

the guide rail 2 is arranged in an arc shape, and the slide block 7 moves left and right to sample an angle.

The bottom surface of the base 1 is provided with a plurality of supports 4.

The slide block 7 is movably connected with one end of the universal arm 6, and the other end of the universal arm is movably connected with the clamp 5.

And a colorimeter is arranged at the joint of the universal arm 6.

And a brightness meter is arranged on the clamp 5.

The working process comprises the following steps: FIG. 1 is a horizontal viewing angle detection, in which a base 1 and a support 4 are installed first, and the base 1 is adjusted to a horizontal position; a sliding rail consisting of a guide rail 2 and a sliding block 7 is arranged on a base 1 and fixed by three screws, a universal arm 6 and a clamp 5 are arranged on the sliding block 7, a brightness meter is fixed on the clamp 5, a colorimeter is directly fixed on a joint part of the universal arm 6, the sliding block 7 is adjusted to a central 90-degree angle as a central point, the brightness meter is aligned to the central position of a display screen, a 255-order or 0-order image in a 256 gray-scale image is called by a display, and the brightness of the display is adjusted to 60% of a recommended value or a maximum value of a manufacturer. The movable slider 7 samples left or right at equal intervals with a set angle of 1 degree, and the angle range within which the brightness ratio is greater than or equal to 10 is the visual angle.

Example 2

A portable viewing angle detection device comprises a base 1, wherein a slide rail is arranged on the upper surface of the base 1 in the vertical direction, and a level meter 3 is arranged on the upper surface of the base 1 below the slide rail;

the sliding rail comprises a guide rail 2 and a sliding block 7 matched with the guide rail;

And a clamp 5 for fixing the brightness meter is arranged on the sliding block 7.

The bottom surface of the base 1 is provided with a plurality of supports 4.

The upper surface of the base 1 is provided with a support rod 8, and the support rod 8 is connected with the guide rail 2 through a support head 9.

Threaded holes are formed in the two ends of the guide rail 2, and the metal supports 10 are fixed through the threaded holes and support the guide rail 2.

The working process is as follows: FIG. 2 shows the vertical viewing angle detection with the base 1 and the support 4 installed and the base 1 adjusted to a horizontal position; a support rod 8 and a support head 9 are installed on a central hole in a base 1, the support head 9 is fixed through a fastener, a slide rail consisting of a guide rail 2 and a slide block 7 is fixed on the support head 9, a metal support 10 is fixed through an upper threaded hole and a lower threaded hole in the guide rail 2, a clamp 5 is installed on the slide block 7, a brightness meter is fixed on the clamp 5, the slide block 7 is adjusted to be 90 degrees at the center to be a central point, the brightness meter is aligned to the central position of a display screen, a 255-order or 0-order image in a 256-gray-scale image is called out by a display, and the brightness of the display is adjusted to be 60% of a recommended value or a maximum value of a manufacturer. The movable slider 7 samples left or right at equal intervals with a set angle of 1 degree, and the angle range within which the brightness ratio is greater than or equal to 10 is the visual angle.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A portable viewing angle detection device is characterized by comprising a base, wherein a slide rail is arranged on the upper surface of the base, and a level gauge is arranged on the upper surface of the base below the slide rail;

the sliding rail comprises a guide rail and a sliding block matched with the guide rail;

the guide rail is arranged in an arc shape, and the slide block moves left and right to sample the angle.

2. The portable viewing angle detection apparatus of claim 1, wherein the slide rail is horizontally mounted on the upper surface of the base by a fastener.

3. The portable viewing angle detection apparatus of claim 1, wherein the base has a plurality of supports on a bottom surface thereof.

4. The portable viewing angle detection apparatus of claim 1, wherein the slider is movably connected to one end of the gimbal, and the other end of the gimbal is movably connected to the clamp.

5. The portable viewing angle detection device of claim 4, wherein a colorimeter is provided at a joint of the gimbal arm.

6. The portable viewing angle detection device of claim 4, wherein a luminance meter is provided on the holder.

7. The portable viewing angle detection apparatus of claim 1, wherein a support bar is provided in a vertical direction of the upper surface of the base, and the support bar is connected to the guide rail through a support head.

8. The portable viewing angle detection apparatus of claim 7, wherein the slide rail is vertically mounted on the upper surface of the base by a support head.

9. The portable viewing angle detection apparatus according to claim 7, wherein a jig for fixing a luminance meter is provided on the slider.

10. The portable viewing angle detection apparatus of claim 7, wherein both ends of the guide rail are provided with screw holes, and the metal support is fixed by the screw holes and gives support to the guide rail.