Desk type electronic typoscope

Abstract

The utility model discloses a desk type electronic typoscope, which comprises a base, a support and a display, the display and the base are respectively connected with two ends of the support, and the middle part of the support is provided with a grasping part for a user to grasp along the transverse direction. The base, the support and the display are combined to form the table type typoscope body, and the inverted-L-shaped support is adopted, so that under the condition that the overall reasonable gravity center can be stably placed, the inverted-L-shaped support provides a part capable of being directly grabbed for a user; a user can directly lift the whole typoscope to move and carry by holding the support, meanwhile, reliable stress is kept in the moving process, the risk of shaking or slipping out of the hand is greatly reduced, and the user experience of visually impaired people is quite friendly.

Description

Technical Field

[0001] The utility model belongs to the technical field of artificial vision intelligent equipment and relates to a desktop electronic vision aid. Background Art

[0002] An electronic viewer is a visual aid product mainly provided to the visually impaired. The electronic viewers on the market mainly provide functions such as free magnification and adjustment on the display screen after image acquisition, so that the visually impaired can view the target content more clearly on the display screen.

[0003] Desktop visual aids are the mainstream visual aid products on the market. For example, the detachable secondary screen electronic visual aid disclosed in Chinese utility model patent CN216217261 U can be stably placed on a table for use in the unfolded state. However, the user's usage environment is not fixed, and there is often a need to move the visual aid. In order to ensure the stability of use, the existing desktop visual aids are usually not suitable for direct movement. For example, the visual aid of the above-mentioned cited patent needs to be folded before moving. There is no good force point for movement in the unfolded state. Especially for the visually impaired, due to the inconvenience caused by visual impairment, it is easy to shake or even slip out of the hand during transportation, resulting in damage to the machine. Therefore, the existing desktop visual aid products are still quite inconvenient for the daily use and operation of the visually impaired. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a desktop electronic visual aid.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A desktop electronic visual aid comprises a base, a bracket and a display, wherein the display and the base are respectively connected to two ends of the bracket, and a gripping portion for a user to grip in the lateral direction is formed in the middle of the bracket.

[0007] Furthermore, the bracket is in an inverted L-shaped structure, including a horizontal frame and a vertical frame, the base is connected to the bottom of the vertical frame, and the display is connected to the middle of the horizontal frame.

[0008] Furthermore, the gripping portion includes a gripping plate disposed at the bottom of the horizontal frame, the gripping plate is located on the horizontal frame close to the vertical frame, and a surface of the gripping plate is provided with an undulating pattern.

[0009] Furthermore, a first camera and a light source are disposed at the bottom of the horizontal frame, and the first camera and the light source are both disposed downward.

[0010] Furthermore, it also includes a multi-axis connection structure, which includes a first connection part and a second connection part, the first connection part is fixedly connected to the cross frame, the second connection part is rotatably connected to the display, and the first connection part and the second connection part are connected by a rotating shaft.

[0011] Furthermore, the first connecting portion is provided with a first through hole connected to the bracket, the second connecting portion is provided with a second through hole connected to the display, and the first through hole is connected to the second through hole.

[0012] Furthermore, an inclined platform is connected to the edge of the base, the bottom surface of the inclined platform is against the placement surface, and the top of the inclined platform and the edge of the base form an upwardly inclined slope.

[0013] Furthermore, it also includes a telescopic rod, one end of which is connected to the end of the horizontal frame, and the other end is provided with a second camera.

[0014] Furthermore, a limit block is provided at the end of the horizontal frame, and the limit block is located on the peripheral side of the telescopic rod.

[0015] Furthermore, an external device interface is provided on the side of the vertical frame.

[0016] In summary, the utility model is beneficial in that:

[0017] The utility model adopts a combination of a base, a bracket and a display to form a desktop visual aid body, and adopts an inverted L-shaped structure to design the bracket. While ensuring that the overall reasonable center of gravity can be stably placed, the inverted L-shaped bracket provides the user with a portion that can be directly grasped, so that the user can directly lift the entire visual aid by holding the bracket to move it, while maintaining reliable force during movement, greatly reducing the risk of shaking or slipping out of the hand, and providing a very user-friendly experience for the visually impaired. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model.

[0019] Figure 2 for Figure 1 Schematic diagram of the structure from another perspective.

[0020] Figure 3 for Figure 2 Schematic diagram of the structure from another perspective.

[0021] Figure 4 It is a structural schematic diagram of a multi-axis connection structure.

[0022] Figure 5 for Figure 4 Schematic diagram of the split state in .

[0023] Markings in the figure: 1. Display; 2. Bracket; 21. Horizontal frame; 22. Vertical frame; 23. Grip plate; 24. Protrusion; 25. First camera; 26. Light source; 3. Base; 31. Inclined platform; 32. Mechanical button; 4. Multi-axis connection structure; 41. First connection part; 411. First through hole; 42. Second connection part; 421. Second through hole; 5. Telescopic rod; 6. External device interface. DETAILED DESCRIPTION

[0024] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0025] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0026] All directional indications in the embodiments of the present invention (such as up, down, left, right, front, back, horizontal, vertical...) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0027] Due to installation errors and other reasons, the parallel relationship referred to in the embodiments of the present invention may actually be an approximately parallel relationship, and the vertical relationship may actually be an approximately vertical relationship.

[0028] A desktop electronic visual aid, referring to Figure 1 , comprising a display 1, a bracket 2 and a base 3. The electronic visual aid is used for daily life and work of visually impaired people. The display 1 is supported by the bracket 2. The base 3 area is used to place objects that need visual aid, such as carriers with text and images. An image acquisition unit is formed on the bracket 2 to collect information on the object and adjust the enlarged display on the display 1 to achieve a visual aid effect.

[0029] Specifically, refer to Figure 2 and Figure 3The bracket 2 is arranged in an inverted L-shaped structure, including a vertical frame 22 and a horizontal frame 21. The bottom end of the vertical frame 22 is fixedly connected to the base 3 to support the entire bracket 2. The display 1 is connected to the middle part of the horizontal frame 21 and is supported by the bracket 2. The bracket 2 is formed by matching two parts in the front and back directions and fixed by buckles and screws. An inner cavity for wiring is formed in the bracket 2.

[0030] The display 1 is connected to the bracket 2 via a multi-axis connection structure 4, so that the display 1 can rotate relative to the bracket 2 in directions a and b (refer to Figure 2 As shown in the figure, the multi-axis connection structure 4 includes a first connection part 41 and a second connection part 42, referring to Figure 4 and Figure 5 The first connecting part 41 is fixedly connected to the bracket 2, one end of the first connecting part 41 forms a first semi-cylindrical surface, and the second connecting part 42 forms a second semi-cylindrical surface for cooperating with the first semi-cylindrical surface. The first connecting part 41 and the second connecting part 42 are matched through two semi-cylindrical surfaces, and a rotating shaft is arranged inside along the axial direction of the semi-cylindrical surface for connection, so that the second connecting part 42 can rotate in direction a relative to the first connecting part 41 with the axis as the center.

[0031] A disc-shaped connecting portion is provided on the other side of the second connecting portion 42, and a corresponding circular mounting portion for cooperating with the disc-shaped connecting portion is provided on the back of the display 1. The circular connecting portion is embedded in the circular mounting portion for connection, and the connection method includes but is not limited to a rotating shaft or a circumferentially arranged bearing, etc., so that the display 1 can rotate in the b direction relative to the second connecting portion 42 with the axis of the disc-shaped connecting portion as the center, so as to realize a 90-degree flip of the display screen from a horizontal screen to a vertical screen.

[0032] The first connection part 41 and the second connection part 42 are both provided with through holes for cables to pass through, wherein the first through hole 411 on the first connection part 41 is located in the middle of the first semi-cylindrical surface and is connected to the bracket 2, and the second through hole 421 of the second connection part 42 is located in the middle of the second semi-cylindrical surface and is connected to the display 1, and the first through hole 411 and the second through hole 421 remain connected. Specifically, when the second connection part 42 is at any position in the rotation range in the a direction relative to the first connection part 41, the two through holes have sufficient connecting areas for the cables to pass through without being destructively squeezed, so that the internal wiring between the display 1 and the bracket 2 can avoid large-scale twisting, squeezing, etc. when the display 1 is rotated within any range, so as to keep the line healthy and durable.

[0033] The connection between the first connection portion 41 and the second connection portion 42 , and the connection between the second connection portion 42 and the display 1 are both damping-type rotational connections, so that the display 1 can be maintained at any angular position within a movable range.

[0034] An external device interface 6 is also provided on the side of the vertical frame, and the external device interface 6 includes a DC power interface and a type-c mobile phone screen projection interface. The DC power interface is used to connect an external power line to power the visual aid, and the mobile phone screen projection interface is used to connect mobile phones and other electronic devices through an external line to project the mobile phone content onto the display for display, thereby achieving a visual aid effect for the mobile phone.

[0035] The horizontal frame 21 of the bracket 2 can be used as a user's hand holding position. The user can lift the entire electronic visual aid by directly grasping the horizontal frame 21. The inverted L-shape of the bracket 2 enables it to be stably and reasonably stressed when being carried by hand, providing users with stable movement and transportation, reducing or avoiding shaking or falling off.

[0036] In order to guide the visually impaired users to grasp the device properly, a grasping portion is provided on the horizontal frame 21, and the grasping portion includes a grasping plate 23 fixed to the horizontal frame 21 by screws. The surface of the grasping plate 23 is provided with a concave and convex pattern for user hand feedback recognition and to increase the grasping friction. The grasping plate 23 is provided at the bottom of the horizontal frame 21 and close to the vertical frame 22, that is, at the angle between the horizontal frame 21 and the vertical frame 22, so as to rationalize the stable center of gravity of the user when lifting the visual aid by the grasping portion.

[0037] The image acquisition unit is arranged at the bottom of the end of the horizontal frame 21 and is far away from the vertical frame 22. The image acquisition unit includes a first camera 25 and a light source 26. The first camera 25 is arranged downward. The object to be assisted is placed under the camera 25 to acquire the image and display it on the display 1. The light source 26 can be an LED lamp to illuminate the acquisition direction of the first camera 25 to improve the effect of image acquisition.

[0038] Furthermore, the first camera 25 includes a wide-angle camera and a high-definition camera. The acquisition range of the wide-angle camera covers a larger area below, so that the user can collect comprehensive images when placing a larger area of ​​assisted vision object below. The high-definition camera can collect a smaller range than the wide-angle camera, but the clarity is higher than that of the wide-angle camera.

[0039] A protrusion 24 is also provided in the middle of the horizontal frame 21, and a strip texture is formed on the surface of the protrusion 24, so that the visually impaired can quickly identify the position of the bracket 2 by the sense of touch of the hand during use, and then determine the position of the image acquisition unit or the gripping area, which is very helpful for quickly and accurately placing the object to be aided under the first camera 25.

[0040] The base 3 serves as the bottom support of the entire electronic visual aid. In this embodiment, the base 3 is a rectangular plate structure, and in order to ensure the stability of the overall center of gravity falling on the base 3, the base 3 needs to have a certain width and length to ensure that the base 3 has a certain width and length. Therefore, when the user places or shifts the object to be assisted under the first camera 25, the object to be assisted may interfere with the base 3. When the object to be assisted is a thin object such as paper, it may be stuck in the gap at the bottom of the base 3. Therefore, in this embodiment, the edge of the base 3 can be set as a slope, and the end of the slope is further set with a slope 31 with a triangular cross-section. The bottom surface of the slope 31 is in close contact with the placement surface of the electronic visual aid, and the top surface of the slope 31 is connected to the slope, so that the paper and the like will be guided by the slope of the slope 31 to the top of the base 3 during movement, instead of being stuck under the base 3.

[0041] In this embodiment, four mechanical buttons 32 for controlling the display function of the display screen are arranged on the base, including a zoom knob, a direction rocker, a switch button and a menu button, wherein the zoom knob can be rotated to realize the function of zooming in and out of the image on the display screen, and the middle part of the zoom knob can be pressed to realize the positioning and searching function; the direction rocker can be shaken in four directions to realize the mobile preview function of the enlarged image on the display screen, and the direction rocker can be pressed. When pressed once, the mobile preview function of the enlarged image is realized, and when pressed for a long time, the OCR function is triggered; when the switch button is pressed, it is used to switch the display content on the display screen, including displaying the content of an external mobile phone or displaying the content collected by the camera, and can also be used to switch the content of a single wide-angle camera or a single high-definition camera in the first camera, or the content displayed simultaneously by the wide-angle camera and the high-definition camera; when the menu key is pressed once, the submenu content pops up on the display screen, and when pressed for a long time, the main menu mode pops up.

[0042] Furthermore, a physical button for adjusting the volume is provided on the side of the display.

[0043] In one embodiment, a movable telescopic rod 5 is further provided at the end of the horizontal frame 21. The telescopic rod 5 is in a straight rod-shaped structure, one end of which forms a connecting end for connecting to the horizontal frame 21. The connection between the connecting end and the horizontal frame 21 is a rotating shaft type connection, so that the telescopic rod 5 can rotate relative to the horizontal frame 21 in the c direction. The other end of the telescopic rod 5 is provided with a second camera. The middle part of the telescopic rod 5 is also provided with a rotating shaft that can bend the telescopic rod 5 itself in the d direction, and a rotating shaft that can rotate the second camera relative to itself in the e direction (refer to Figure 2 As shown in the mark in the middle), the telescopic rod 5 can capture the viewing angles other than the capture range of the first camera 25 below the horizontal frame 21.

[0044] The specific structure of the telescopic rod 5 may refer to the structure disclosed in a visual aid image acquisition device in Chinese utility model patent CN216414399U, which will not be described in detail here.

[0045] A limit block is also provided at the end of the cross frame 21 in the c direction to limit the rotation range of the telescopic rod 5 so that it cannot rotate 360 ​​degrees to avoid excessive distortion of the internal wiring.

[0046] Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

Claims

1. A desktop electronic visual aid, characterized in that: It comprises a base (3), a bracket (2) and a display (1), wherein the display (1) and the base (3) are respectively connected to two ends of the bracket (2), and the middle part of the bracket (2) forms a gripping portion for a user to grip in the horizontal direction.

2. A desktop electronic visual aid according to claim 1, characterized in that: The support (2) is in an inverted L-shaped structure, comprising a horizontal frame (21) and a vertical frame (22); the base (3) is connected to the bottom of the vertical frame (22); and the display (1) is connected to the middle of the horizontal frame (21).

3. A desktop electronic visual aid according to claim 2, characterized in that: The gripping portion comprises a gripping plate (23) arranged at the bottom of the horizontal frame (21); the gripping plate (23) is located on the horizontal frame (21) near the vertical frame (22); and a surface of the gripping plate (23) is provided with an undulating pattern.

4. A desktop electronic visual aid according to claim 2, characterized in that: A first camera (25) and a light source (26) are arranged at the bottom of the horizontal frame (21), and the first camera (25) and the light source (26) are both arranged downward.

5. A desktop electronic visual aid according to claim 2, characterized in that: The multi-axis connection structure (4) further comprises a first connection part (41) and a second connection part (42), wherein the first connection part (41) is fixedly connected to the horizontal frame (21), and the second connection part (42) is rotatably connected to the display (1), and the first connection part (41) and the second connection part (42) are connected via a rotating shaft.

6. A desktop electronic visual aid according to claim 5, characterized in that: The first connecting portion (41) is provided with a first through hole (411) connected to the bracket (2), and the second connecting portion (42) is provided with a second through hole (421) connected to the display (1); the first through hole (411) and the second through hole (421) are connected.

7. A desktop electronic visual aid according to claim 1, characterized in that: The edge of the base (3) is connected to an inclined platform (31), the bottom surface of the inclined platform (31) is against the placement surface, and the top of the inclined platform (31) and the edge of the base (3) form an upwardly inclined surface.

8. A desktop electronic visual aid according to claim 2, characterized in that: It also comprises a telescopic rod (5), one end of which is connected to the end of the horizontal frame (21), and the other end of which is provided with a second camera.

9. A desktop electronic visual aid according to claim 8, characterized in that: A limit block is provided at the end of the cross frame (21), and the limit block is located on the peripheral side of the telescopic rod (5).

10. A desktop electronic visual aid according to claim 2, characterized in that: An external device interface (6) is provided on the side of the vertical frame (22).

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