CN219456622U - Far-image display device - Google Patents

Abstract

The present disclosure relates to the field of image display devices, and more particularly, to a far-image display device. The far-image display device comprises an optical module, a display module and a display module, wherein the optical module comprises an observation window which is obliquely arranged relative to a horizontal plane, the observation window is used for a viewer to watch a presentation image, and the presentation image comprises an upright amplified virtual image; the light shield is arranged at the top of the optical module and at least partially covers the projection of the observation window in the horizontal direction; the camera assembly comprises a camera, and the projection of the camera along the vertical direction is outside the light shield and the observation window; and the bracket is at least partially arranged around the optical module so as to enable the camera to be arranged outside the optical module, and two ends of the bracket are respectively connected with the camera and the optical module. Through the arrangement, the far image display performance in a read-write scene is improved.

Description

Far-image display device

Technical Field

The present disclosure relates to the field of image display devices, and more particularly, to a far-image display device.

Background

In the prior art, a far image display device uses a display screen arranged in the far image display device as an original image source to perform amplification and long-distance display, and the amplification and the far image projection cannot be performed on real read-write contents. If the camera is used for directly acquiring images, the setting position of the camera influences the final imaging of the far-image display device, so that the position of the camera needs to be adjusted. If the high-speed shooting instrument is used in combination with the optical module, the whole movement is not easy to carry out, and the relative position cannot be fixed. The above-mentioned circumstances are that camera and optical module can't combine well, and then will cause the loaded down with trivial details problem of regulating step, seriously influence viewer's use experience.

Disclosure of Invention

The present disclosure is made in view of the above-mentioned needs of the prior art, and an object of the present disclosure is to provide a far-image display device to improve the far-image display performance in a read-write scenario.

In order to solve the above problems, the technical solution provided by the present disclosure includes:

there is provided a far-image display device including: the optical module comprises an observation window which is obliquely arranged relative to a horizontal plane, wherein the observation window is used for a viewer to watch a presentation image, and the presentation image comprises an upright amplified virtual image; the light shield is arranged at the top of the optical module and at least partially covers the projection of the observation window in the horizontal direction; the camera assembly comprises a camera, and the projection of the camera along the vertical direction is outside the light shield and the observation window; and the bracket is at least partially arranged around the optical module so as to enable the camera to be arranged outside the optical module, and two ends of the bracket are respectively connected with the camera and the optical module.

Through the setting in order to realize obtaining as complete image as possible through the camera to present through optical module, simultaneously through the shading effect of light screen, in order to promote the final viewing experience of viewer, in order to guarantee in clear formation of image, prevent external interference to viewing window.

Preferably, the optical module further comprises a housing, and the housing is arranged at the outermost side of the optical module; the light shield is removably coupled with the housing and the light shield is at least partially disposed about the housing.

The arrangement is used for shielding light from the top of the optical module, and preventing objects above the optical module from imaging in the area where the observation window is located, so as to influence the watching effect of a viewer.

Preferably, the light shield covers two sides of the optical module.

By the arrangement, when a viewer views the presented image, influence of surrounding environment on the viewer can be reduced, and meanwhile, things around the optical module can be prevented from imaging in the area where the observation window is located, so that interference is formed on the presented image.

Preferably, the projection of the part of the light shield positioned at the top of the optical module along the vertical direction covers the optical module; the parts of the light shield, which are positioned at the two sides of the optical module, gradually shrink from top to bottom.

The device is arranged on the basis of ensuring interference-free imaging of the plane where the viewing window is located, so that a relatively airtight pressed space is avoided, the viewing time of a viewer is intangibly reduced, and the effects of inhibiting eye axis extension, preventing myopia and even relieving myopia degree cannot be achieved.

Preferably, the bracket comprises a first supporting rod, and one end of the first supporting rod is connected with the shell; one end of the second supporting rod is rotatably connected with the other end of the first supporting rod; and one end of the third supporting rod is rotatably connected with the other end of the second supporting rod, and the other end of the third supporting rod is connected with the camera.

Through the arrangement, the camera is adjusted and positioned in the height direction under the action of the supporting rod.

Preferably, the connection between one end of the first supporting rod and the housing comprises that the back of the housing is provided with a first protrusion, a groove is formed in the first protrusion, one end of the first supporting rod is provided with a second protrusion, and the second protrusion is matched with the groove.

The first bulge is arranged to protrude out of the plane where the rear side of the shell is located, and when the first bulge is connected with the camera component, the camera component cannot contact with the shell lower than the top surface of the bulge, so that mutual contact is prevented to generate collision. And the stability of connection of the second bulge and the groove is ensured through the matching of the second bulge and the groove.

Preferably, the bracket further comprises a first adjusting member, and the first adjusting member is respectively connected with the first supporting rod and the second supporting rod; and the second adjusting piece is respectively connected with the second supporting rod and the third supporting rod.

The included angles between the first supporting rod and the second supporting rod and the included angles between the second supporting rod and the third supporting rod are respectively adjusted through the first adjusting piece and the second adjusting piece, coarse adjustment and fine adjustment combination are achieved, and the required positions of viewers are accurately adjusted.

Preferably, the length of the third strut is less than the length of the second strut.

Through the arrangement, the accuracy of the height of the camera is improved.

Preferably, the first support rod includes a bending portion having a projection in a horizontal direction and a projection in a vertical direction, and the bending portion is disposed at an end of the first support rod near the first adjusting member.

Preferably, the far-image display device further comprises a base, and the base is arranged at a position deviated to the rear of the far-image display device; the base comprises a plate and support columns, the cross sections of the support columns are gradually increased from top to bottom, and the support columns are arranged on the upper surface of the plate.

The first support rod is provided with the bending part with the projection in the horizontal direction, so that the length of the second support rod can be shortened, when a viewer adjusts the second support rod in consideration of requirements, the angle adjustment range of the second support rod is reduced compared with that of the second support rod without the bending part, and therefore the camera can be accurately positioned at the required approximate position of the viewer through the adjustment angle, the use experience of the viewer is improved, and in addition, the abrasion between the first support rod and the second support rod and the abrasion to the first adjusting piece can be reduced due to the reduction of the adjustment angle range, and the service life is prolonged. Besides being capable of being positioned at the accurate position approximately, the bending part can be arranged to effectively improve the strength of the first supporting rod and reduce the damage probability.

Preferably, the far-image display device further comprises a support member, wherein the support member is arranged at the top of the shell and supports the third supporting rod.

So set up in order to ensure the position of camera can not be along with the mechanical friction of the segmentation junction of branch is relaxed or because external reasons such as rocking change high position, and then guarantee viewer's viewing experience.

Compared with the prior art, the utility model realizes the amplification of far read-write contents through the far image display device by combining the camera component on the optical module which can be in the upright amplification and the far distance. In addition, the support in the camera subassembly is sectional type structure to provide the angle of adjustment that has certain degree of freedom, and then accurately adjust the camera to the required height of viewer. The imaging is carried out through the arrangement, and the read-write contents are amplified vertically and clearly at a long distance.

Drawings

In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present description, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a perspective view of a remote image display device according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a camera module according to an embodiment of the present utility model;

FIG. 3 is a rear view of the housing in accordance with an embodiment of the present utility model;

fig. 4 is an internal light path diagram of a far-image display device according to an embodiment of the utility model.

Reference numerals:

1. an observation window; 2. a display; 3. a beam splitter; 4. a concave mirror; 5. a housing; 6. a light shield; 7. a camera; 9. a first strut; 10. a second strut; 11. a third strut; 12. a first protrusion; 13. a second protrusion; 14. a groove; 15. a bending part; 17. a plate; 18. a support column; 19. a first adjustment member; 20. and a second adjusting member.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In describing the embodiments of the present disclosure, it should be noted that, unless explicitly stated and limited otherwise, the term "connected" should be construed broadly, for example, it may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection via an intermediary. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art as the case may be.

The terms "top," "bottom," "above … …," "below," and "on … …" are used throughout the description to refer to the relative positions of components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are versatile, irrespective of their orientation in space.

For the purpose of facilitating an understanding of the embodiments of the present application, reference will now be made to the following description of specific embodiments, taken in conjunction with the accompanying drawings, in which the embodiments are not intended to limit the embodiments of the present application.

The present embodiment provides a far-image display device, as shown in fig. 1 to 4.

As shown in fig. 1, the far image display device includes an optical module, a light shield 6, a camera assembly and a base.

The optical module comprises an observation window 1, wherein the observation window 1 is obliquely arranged relative to a horizontal plane, the observation window 1 is used for a viewer to watch a presentation image, and the presentation image comprises an upright enlarged virtual image.

The optical module further comprises an imaging assembly, the imaging assembly comprises a display 2, a spectroscope 3 and a concave reflecting mirror 4, and light rays emitted by a screen of the display 2 are finally formed into a presentation image through adjustment of the spectroscope 3 and the concave reflecting mirror 4.

The display 2, the screen of which is used to provide the light source, is used as the original light source of the optical module.

The spectroscope 3 can reflect and transmit the received light, a part of the received light can change the propagation direction on the spectroscope 3 and return to the direction of the luminescent material, and a part of the received light is transmitted and emitted. The transmission is an exit phenomenon of incident light after it has been refracted through an object. The beam splitter 3 has a reflection value (R) and a transmission value (T), and the reflection and transmission of the beam splitter 3 is typically characterized by a ratio of the beams, i.e., the value of R: T. In the embodiment, the optical path is extended by reflection of the spectroscope 3, thereby presenting an enlarged image; by means of the transmission of the beam splitter 3, a part of the light is filtered out to change the brightness of the final image, avoiding unnecessary irritation of the eye due to too high brightness.

A mirror that operates using reflection law to change the direction of propagation of light. The concave mirror 4 has a concave reflecting surface to change the propagation direction of the received light. The concave mirror 4 may be a spherical mirror, an aspherical mirror, or a free-form surface mirror.

As shown in fig. 4, in order to finally form a presentation image, the display 2, the beam splitter 3, and the concave mirror 4 are set as follows:

the screen of the display 2 is arranged opposite to the spectroscope 3, and the spectroscope 3 is arranged opposite to the concave reflecting mirror 4. The screen of the display 2 emits light, a part of the light changes the propagation direction through the reflection of the spectroscope 3 and transmits the light to the concave reflecting mirror 4, and a part of the light is transmitted out of the observation window 1 through the spectroscope 3, and the light reflected by the spectroscope 3 is incident to the concave reflecting mirror 4 to form an upright amplified virtual image.

The optical module further comprises a housing 5, and the housing 5 is positioned on the outermost layer of the optical module. An opening is formed in the front side of the shell 5 and is used as an observation window 1, and the observation window is matched with the spectroscope 3; as shown in fig. 3, a first protrusion 12 is provided on the rear side of the housing 5, and a groove 14 is provided in the first protrusion 12. The rear side of the housing 5 is on one plane except the area where the first protrusion 12 is located, the top surface of the first protrusion 12 is on another plane, the first protrusion 12 is arranged to protrude out of the plane where the rear side of the housing is located, and when the first protrusion 12 is connected with the camera assembly, the camera assembly is not in contact with the housing lower than the top surface of the protrusion, so that the camera assembly is prevented from being in contact with each other to collide with each other.

The light shield 6 is disposed on the top of the housing 5 and at least partially covers the projection of the viewing window 1 in the horizontal direction, so as to shield the light from the top of the optical module, and prevent the object above the optical module from imaging in the area where the viewing window 1 is located, so as to affect the viewing effect of the viewer.

Further, the light shields 6 are arranged around the housing 5, i.e. the light shields 6 are distributed on both sides of the housing 5, except at the top of the housing 5. By the arrangement, when a viewer views the presented image, influence of surrounding environment on the viewer can be reduced, and meanwhile, the situation that things around the optical module are imaged in the area where the observation window 1 is located can be prevented from interfering with the formation of the presented image.

The light shield 6 is located the part of optical module top will cover in the ascending projection of vertical direction optical module, so set up in order to prevent to be located the light incidence of optical module top is on spectroscope 3 for the viewer receives the interference when watching, also can prevent simultaneously that external things from imaging on spectroscope 3 under the effect of external light, distraction viewer's attention influences the viewing effect, reduces viewer's use experience. The light shield 6 is located the part of optical module both sides is from last shrink gradually down, so set up in order to guarantee to watch on the planar interference-free imaging of window place on, avoid producing comparatively airtight space that presses down, reduce the viewer's in the intangible length of time of watching, can't play good inhibition eye axis extension, prevent myopia and alleviate the effect of myopia degree even.

Furthermore, the light shield 6 is detachably connected with the housing 5 for easy transportation and assembly.

As shown in fig. 2, the camera assembly includes a camera 7 and a bracket connected to the camera 7. The camera module is detachably connected with the shell 5, and as the height of the camera 7 is adjusted by the bracket when a viewer needs to use the bracket in the use process, the two detachably connected can only replace the bracket when the bracket is worn or damaged, thereby providing convenience for replacement and maintenance of the viewer.

The projection of the camera 7 along the vertical direction is outside the light shield 6 and the observation window 1, so as to ensure that no shielding object exists in the field of view when the camera 7 acquires an image, thereby ensuring that the acquired image is as complete as possible. When a viewer reads and writes, the read-write content can be acquired through the camera 7 and presented through the far image display device, the read-write content is amplified and placed at a far distance, and the imaging distance is more than 3m.

The bracket is at least partially arranged around the optical module so as to arrange the camera 7 at the outer side of the optical module, and two ends of the bracket are respectively connected with the camera 7 and the housing 5 of the optical module. The camera 7 is relatively fixedly arranged on the shell 5 through the bracket, so that the camera 7 and the optical module can move together, the relative position of the camera 7 does not change greatly, and when a read-write scene is changed, the camera is not required to be adjusted again.

The stent comprises a first strut 9, a second strut 10 and a third strut 11. The first pole 9 extends substantially in a vertical direction, and one end of the first pole 9 is connected to the housing 5. Specifically, one end of the first supporting rod 9 is provided with a second protrusion 13, and the second protrusion 13 is matched with the groove 14 in the first protrusion 12, that is, when the bracket is connected with the housing 5, the groove 14 is connected with the second protrusion 13 in an embedded manner. The arrangement is such that the stability of the connection can be ensured, so that the relative position between the housing 5 and the support does not change significantly.

One end of the second supporting rod 10 is rotatably connected with the first supporting rod 9, so that the angle formed by the second supporting rod 10 and the first supporting rod 9 can be adjusted, and the height of the camera 7 is adjusted, so that the shooting range of the camera 7 meets the requirements of viewers. Further, the first supporting rod 9 and the second supporting rod 10 are connected through a first adjusting piece, so that the included angle between the first supporting rod and the second supporting rod is adjusted.

Further, the first supporting rod 9 includes a bending portion 15, the bending portion 15 has a projection in a horizontal direction and a projection in a vertical direction, and the bending portion 15 is disposed at an end of the first supporting rod 9 near the first adjusting member. The first supporting rod 9 is provided with the bending part 15 with the projection in the horizontal direction, so that the length of the second supporting rod 10 can be shortened, when a viewer adjusts the second supporting rod 10 in consideration of requirements, the angle adjusting range of the second supporting rod 10 is reduced compared with that of the second supporting rod 10 without the bending part 15, and therefore the camera 7 can be accurately positioned at the required approximate position of the viewer through the adjusting angle, the use experience of the viewer is improved, and in addition, the abrasion between the first supporting rod 9 and the second supporting rod 10 and the abrasion to the first adjusting piece can be reduced due to the reduction of the adjusting angle range, and the service life is prolonged. In addition to ensuring that the positioning is substantially at a precise position, the provision of the bent portion 15 is effective in improving the strength of the first strut 9 and reducing the probability of damage.

One end of the third supporting rod 11 is rotatably connected with the other end of the second supporting rod 10, so that the angle formed between the third supporting rod 11 and the second supporting rod 10 is adjusted, and the height of the camera 7 can be adjusted to enable the shooting range of the camera 7 to meet the requirements of viewers. Furthermore, the length of the third strut 11 is smaller than the length of the second strut 10. When the angle between the second support rod 10 and the third support rod 11 is adjusted, the actual height of the camera 7 can be adjusted more accurately according to the needs of the viewer. The mode of combining coarse adjustment and fine adjustment is realized aiming at the height adjustment of the camera 7, and the accurate positioning is used for meeting the requirements of viewers.

Further, the second supporting rod 10 is connected with the third supporting rod 11 through a second adjusting member, so as to adjust an included angle formed by the second supporting rod 10 and the third supporting rod. In addition, the connection part of the second support rod 10 and the third support rod 11 is closer to the position of the camera 7 than the connection part of the first support rod 9 and the second support rod 10, so that the angle between the second support rod 10 and the third support rod 11 can be adjusted to be more accurately close to the height position required by a viewer.

Based on the adjustable sectional type design of the bracket, the combination of coarse adjustment and fine adjustment is realized, and the required position of a viewer can be accurately adjusted. Specifically, the included angle between the first support rod 9 and the second support rod 10 is changed through the first adjusting piece, so that the camera 7 is positioned at the approximate position required by the viewer, and then the angle between the second support rod 10 and the third support rod 11 is finely adjusted through the second adjusting piece, so that accurate adjustment is performed on the basis of the approximate required position of the camera 7.

In addition, the far-image display device further comprises a support member, wherein the support member is detachably arranged at the top of the shell 5 and supports the third supporting rod 11. So set up in order to ensure the position of camera 7 can not be along with the mechanical friction of the segmentation junction of branch is relaxed or because external reasons such as rocking change high position, and then guarantee viewer's viewing experience.

The base is connected with the shell 5, the base comprises a plate 17 and a support column 18, the plate 17 is arranged on the support column 18, the area of the plate 17 is larger than the sectional area of the bottom surface of the support column 18, and the arrangement is used for transmitting the pressure born by the support column 18 to the plate 17 and dispersing the pressure, so that the stability of the base is improved. Further, the cross section of support piece from top to bottom increases gradually, so set up the stability that can increase whole base equally, can prevent effectively to shake, and then guarantee the steady of presentation image.

The foregoing embodiments have been provided for the purpose of illustrating the general principles of the present application, and are not meant to limit the scope of the utility model, but to limit the scope of the utility model.

Claims (11)

1. A tele-graphic display device, comprising:

the optical module comprises an observation window which is obliquely arranged relative to a horizontal plane, wherein the observation window is used for a viewer to watch a presentation image, and the presentation image comprises an upright amplified virtual image;

the light shield is arranged at the top of the optical module and at least partially covers the projection of the observation window in the horizontal direction;

the camera assembly comprises a camera, and the projection of the camera along the vertical direction is outside the light shield and the observation window; and the bracket is at least partially arranged around the optical module so as to enable the camera to be arranged outside the optical module, and two ends of the bracket are respectively connected with the camera and the optical module.

2. The telechelic display apparatus of claim 1, wherein said optical module further comprises a housing, said housing being disposed outermost of said optical module;

the light shield is removably coupled with the housing and the light shield is at least partially disposed about the housing.

3. The device of claim 2, wherein the light shield is disposed on two sides of the optical module.

4. A far image display device according to claim 3, wherein the projection of the portion of the light shield on the top of the optical module in the vertical direction covers the optical module; the parts of the light shield, which are positioned at the two sides of the optical module, gradually shrink from top to bottom.

5. A far-image display apparatus according to claim 2, wherein,

the bracket comprises a first supporting rod, and one end of the first supporting rod is connected with the shell;

one end of the second supporting rod is rotatably connected with the other end of the first supporting rod; and

and one end of the third supporting rod is rotatably connected with the other end of the second supporting rod, and the other end of the third supporting rod is connected with the camera.

6. The far-image display device according to claim 5, wherein the connection between the one end of the first supporting rod and the housing comprises a first protrusion on the back of the housing, a groove is formed in the first protrusion, a second protrusion is formed at the one end of the first supporting rod, and the second protrusion is matched with the groove.

7. The tele-graphic display device of claim 5, wherein the frame further comprises a first adjustment member, the first adjustment member being coupled to the first strut and the second strut, respectively; and

and the second adjusting piece is respectively connected with the second supporting rod and the third supporting rod.

8. A far-image display apparatus as set forth in claim 7, characterized in that,

the length of the third support rod is smaller than that of the second support rod.

9. The tele-graphic display device of claim 7, wherein the first strut includes a bend having a horizontal projection and a vertical projection, and the bend is disposed at an end of the first strut proximate the first adjustment member.

10. The tele-graphic display device of claim 1, further comprising a base disposed at a position offset rearward of the tele-graphic display device;

the base comprises a plate and support columns, the cross sections of the support columns are gradually increased from top to bottom, and the support columns are arranged on the upper surface of the plate.

11. The tele-display device of claim 5, further comprising a support member disposed on top of the housing supporting the third struts.