CN220168913U

CN220168913U - Display screen device

Info

Publication number: CN220168913U
Application number: CN202320206834.2U
Authority: CN
Inventors: 杨伟华; 陈林杰; 施绮颖
Original assignee: Hangzhou Dechang Video Technology Co ltd
Current assignee: Hangzhou Dechang Video Technology Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-12-12
Anticipated expiration: 2033-02-10

Abstract

The utility model relates to a display screen device, comprising: the display screen, the display screen driving mechanism and the display screen control module; the upper end of the display screen driving mechanism is connected with the display screen, and the display screen is driven to rotate after receiving a control instruction output by the display screen control module; the display screen control module detects the rotation angle of the display screen, drives the display screen to synchronously rotate when detecting that the rotation angle is larger than an angle preset value, and has the advantages of controlling the rotation of the display screen body, detecting the rotation angle of the display screen at the same time, and controlling the synchronous rotation adjustment of the display screen body and the display interface according to the comparison result of the rotation angle preset value and the detection value.

Description

Display screen device

Technical Field

The utility model relates to the technical field of teaching equipment, in particular to a display screen device.

Background

In order to enable teaching contents to be better presented, when teaching, people usually conduct teaching demonstration by means of a lecture display screen, but an existing lecture display screen device is usually and directly fixedly installed on a support, a display interface of the lecture display screen cannot synchronously rotate in the rotating process of the lecture display screen body, the lecture display screen body cannot be controlled to rotate by a preset angle, the display interface is enabled to rotate after the lecture display screen body rotates by a certain angle, and therefore the demonstration effect is poor, and a touch-control display teaching board screen disclosed by CN214425491U is provided.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide a display screen device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a display screen apparatus comprising: the display screen, the display screen driving mechanism and the display screen control module; the upper end of the display screen driving mechanism is connected with the display screen, and the display screen is driven to rotate after receiving a control instruction output by the display screen control module; the display screen control module is electrically connected with the display screen.

Preferably, the display screen driving mechanism comprises a motor fixedly arranged on the base and a mounting plate fixedly connected with the display screen; the motor transmits power to the mounting plate through the driving gear set and drives the display screen to rotate.

Preferably, the edge of the base is fixedly provided with a plurality of protection components, and the protection components are arranged around the periphery of the driving gear set; the protection component comprises a mounting strip fixedly arranged on the base, and a dustproof piece is inserted on the mounting strip.

Preferably, the dust-proof member is provided as an elastic plate or a brush; a gap exists between the upper end face of the dust-proof piece and the bottom face of the display screen, and the value range of the gap is set to be 2-10 mm.

Preferably, the display screen control module comprises a signal processing unit, an instruction input module, a rotation angle detection sensor, a motor control module, a display screen interface switching module and an angle preset value setting module; the signal processing unit, the instruction input module, the rotation angle detection sensor, the display screen interface switching module and the angle preset value setting module are arranged in the display screen, and the motor control module is arranged on the base and is electrically connected with the motor; and interaction is realized between the motor control module and the signal processing unit through wireless communication.

Preferably, the telescopic support is further arranged, the lower end of the telescopic support is connected with a bottom plate, and a plurality of rollers are arranged on the bottom plate.

Preferably, the telescopic bracket comprises a first telescopic bracket, a second telescopic bracket sleeved on the first telescopic bracket and an electric push rod arranged on the first telescopic bracket; one end of the first expansion bracket is fixedly connected with the bottom plate; one end of the second expansion bracket is fixedly connected with the expansion end of the electric push rod, and the other end of the second expansion bracket is fixedly connected with the display screen driving mechanism.

Preferably, the display screen control module detects the rotation angle of the display screen, and drives the display screen to synchronously rotate when detecting that the rotation angle is larger than an angle preset value.

Compared with the prior art, the utility model has the beneficial effects that:

according to the display screen device provided by the technical scheme, the display screen control module is utilized to output the control instruction to the display screen driving mechanism, so that the display screen is adjusted, meanwhile, the display screen control module can detect the rotation angle in the rotation process of the display screen, and when the rotation angle exceeds the preset value, the synchronous rotation of the display screen interface is controlled, so that the display state of the display screen can be synchronously switched in the rotation process, the actual use requirement can be met, and the display mode of the display screen can be manually controlled in the presentation, teaching or achievement demonstration process, so that the demonstration effect is better.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a display screen device provided by the present utility model.

Fig. 2 is a schematic cross-sectional view of a display device according to the present utility model.

Fig. 3 is an enlarged view of the position a in fig. 2.

Fig. 4 is a schematic structural view of a display driving mechanism.

Fig. 5 is a schematic view of the structure of the display screen driving mechanism with the mounting plate removed.

FIG. 6 is a schematic view of the display drive mechanism in cross-section with the mounting plate removed.

Fig. 7 is a schematic connection diagram of a display screen control module.

Reference numerals illustrate:

1. a display screen; 2. a display screen driving mechanism; 21. a base; 22. a motor; 23. a mounting plate; 24. a drive gear set; 241. a drive gear; 242. a driven gear; 25. a connecting column; 26. fixing the rotating shaft; 20. a protective assembly; 201. a mounting bar; 202. a dust-proof member; 3. a display screen control module; 31. a signal processing unit; 32. an instruction input module; 33. a rotation angle detection sensor; 34. a motor control module; 35. a display screen interface switching module; 36. the angle preset value setting module; 4. a telescopic bracket; 41. a first expansion bracket; 42. the second expansion bracket; 43. an electric push rod; 5. a bottom plate; 6. and a roller.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, the present utility model provides a display screen device, including: a display 1, a display driving mechanism 2 and a display control module 3; the upper end of the display screen driving mechanism 2 is connected with the display screen 1, and drives the display screen 1 to rotate after receiving a control instruction output by the display screen control module 3; the display screen control module 3 is electrically connected with the display screen 1, and the display screen control module 3 detects the rotation angle of the display screen 1 and drives the display interface of the display screen 1 to synchronously rotate when detecting that the rotation angle is larger than a preset value.

Through the setting of the technical scheme, the display screen control module 3 is utilized to output a control instruction to the display screen driving mechanism 2, and then the display screen 1 is adjusted, meanwhile, the display screen control module 3 can detect the rotation angle in the process of rotating the display screen 1, and when the rotation angle exceeds a preset value, the synchronous rotation of the interface of the display screen 1 is controlled, so that the display state of the display interface can be synchronously switched in the rotating process of the display screen 1, the actual use requirement can be met, and the display mode of the display screen 1 can be manually controlled in the process of lecturing, teaching or achievement demonstration, so that the demonstration effect is better.

As shown in fig. 3, 4 and 5, the display driving mechanism 2 comprises a motor 22 fixedly arranged on a base 21 and a mounting plate 23 fixedly connected with the display 1; the motor 22 transmits power to the mounting plate 23 through the driving gear set 24 and drives the display screen 1 to rotate, specifically, the driving gear set 24 includes a driving gear 241 driven by the motor 22 and a driven gear 242 meshed with the driving gear 241 for saving the cost of the device and reducing the weight of the display screen driving mechanism 2, the driven gear 242 may be configured as a circular arc gear plate structure, the driven gear 242 is fixedly connected with the mounting plate 23 through 1, 2 or more connecting posts 25, the mounting plate 23 is rotatably mounted on the base 21 through a fixed rotating shaft 26, and the fixed rotating shaft 26 may be fixedly connected with the base 21 or fixedly connected with the mounting plate 23.

Further, in order to increase the protection effect and further avoid the display screen driving mechanism 2 from being blocked with foreign matters, a plurality of protection components 20 are fixedly arranged at the edge of the base 21, and the protection components 20 are arranged around the periphery of the driving gear set 24; the protection component 20 comprises a mounting strip 201 fixedly arranged on the base 21, a dust-proof piece 202 is inserted on the mounting strip 201, the protection effect can be achieved, the dust-proof piece 202 is convenient to assemble and disassemble, on one hand, the protection component is convenient to replace and clean, and on the other hand, the operation personnel can also maintain the display screen driving mechanism 2.

Further, the dust-proof member 202 is provided with an elastic plate or brush structure; in order to prevent mutual friction between the dustproof piece 202 and the bottom surface of the display screen 1, a gap exists between the upper end surface of the dustproof piece 202 and the bottom surface of the display screen 1, the range of the gap is set to be 2-10 mm, the dustproof piece 202 can be set to be in a structure of an elastic rubber plate, a soft brush plate and the like, a damping effect can be achieved when the display screen 1 has offset hidden danger, the display screen 1 is prevented from being directly collided, and the gap is reasonably set, so that friction between the dustproof piece 202 and the display screen 1 can be avoided, and defects of poor damping and protection effects caused by overlarge spacing can be avoided.

Specifically, as shown in fig. 6, the display screen control module 3 includes a signal processing unit 31, an instruction input module 32, a rotation angle detection sensor 33, a motor control module 34, a display screen interface switching module 35, an angle preset value setting module 36; the signal processing unit 31, the instruction input module 32, the rotation angle detection sensor 33, the display screen interface switching module 35 and the angle preset value setting module 36 are arranged in the display screen 1, the display screen interface switching module 35 is electrically connected with the display screen 1, and the motor control module 34 is arranged on the base 21 and is electrically connected with the motor 22; interaction between the motor control module 34 and the signal processing unit 31 is realized through wireless communication; further, when the display screen 1 needs to be adjusted, the angle preset value input by the angle preset value setting module 36 is firstly utilized and stored by the signal processing unit 31, and the instruction input module 32 is used for inputting a control instruction by an operator, that is, inputting a rotation control instruction when the display screen 1 needs to be reversed (for example, from a horizontal screen to a vertical screen or from a vertical screen to a horizontal screen); the signal processing unit 31 is configured to receive a control instruction and output a control signal, the motor control module 34 receives the control signal and then controls the motor 22 to drive the gear set 24 to rotate, so as to drive the display screen 1 to rotate, at this time, the rotation angle detection sensor 33 installed on the display screen 1 detects a real-time rotation angle of the display screen and transmits the real-time rotation angle to the signal processing unit 31, the angle preset value is compared with the real-time rotation angle by the signal processing unit 31, when the real-time rotation angle is greater than the rotation angle preset value input by the angle preset value setting module 36, the signal processing unit 31 sends an interface control signal, and the display screen interface switching module 35 controls the interface of the display screen 1 to switch, so that synchronous rotation between the interface of the display screen 1 and the display screen 1 is realized, which is more beneficial to demonstration.

As shown in fig. 1 and 2, in order to facilitate multi-mode adjustment of the device, such as telescopic adjustment, movement of the device, integral rotation and the like, the device further comprises a telescopic bracket 4, a bottom plate 5 is connected to the lower end of the telescopic bracket 4, a plurality of rollers 6 are arranged on the bottom plate 5, and the rollers 6 can be universal wheels with locking devices.

Further, in order to realize the lifting adjustment of the display screen 1, the telescopic bracket 4 includes a first telescopic bracket 41, a second telescopic bracket 42 sleeved on the first telescopic bracket 41, and an electric push rod 43 mounted on the first telescopic bracket 41; one end of the first telescopic frame 41 is fixedly connected with the bottom plate 5; one end of the second telescopic frame 42 is fixedly connected with the telescopic end of the electric push rod 43, and the other end of the second telescopic frame is fixedly connected with the display screen driving mechanism 2.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. A display screen apparatus, comprising: a display screen (1), a display screen driving mechanism (2) and a display screen control module (3);

the upper end of the display screen driving mechanism (2) is connected with the display screen (1), and after receiving a control instruction output by the display screen control module (3), the display screen driving mechanism drives the display screen (1) to rotate;

the display screen control module (3) is electrically connected with the display screen (1);

the display screen driving mechanism (2) comprises a motor (22) fixedly arranged on the base (21) and a mounting plate (23) fixedly connected with the display screen (1);

the motor (22) transmits power to the mounting plate (23) through a driving gear set (24) and drives the display screen (1) to rotate;

the display screen control module (3) comprises a signal processing unit (31), an instruction input module (32), a rotation angle detection sensor (33), a motor control module (34), a display screen interface switching module (35) and an angle preset value setting module (36);

the signal processing unit (31), the instruction input module (32), the rotation angle detection sensor (33), the display screen interface switching module (35) and the angle preset value setting module (36) are arranged in the display screen (1), and the motor control module (34) is arranged on the base (21) and is electrically connected with the motor (22);

interaction is achieved between the motor control module (34) and the signal processing unit (31) through wireless communication.

2. A display screen device according to claim 1, wherein a plurality of protection components (20) are fixedly arranged at the edge of the base (21), and the protection components (20) are arranged around the periphery of the driving gear set (24);

the protection component (20) comprises a mounting strip (201) fixedly arranged on the base (21), and a dust-proof piece (202) is inserted on the mounting strip (201).

3. A display device according to claim 2, characterized in that the dust guard (202) is provided as an elastic plate or a brush;

a gap exists between the upper end face of the dust-proof piece (202) and the bottom face of the display screen (1), and the value range of the gap is set to be 2-10 mm.

4. A display screen device according to claim 1, further comprising a telescopic bracket (4), wherein the lower end of the telescopic bracket (4) is connected with a bottom plate (5), and a plurality of rollers (6) are arranged on the bottom plate (5).

5. A display device according to claim 4, wherein the telescopic bracket (4) comprises a first telescopic bracket (41), a second telescopic bracket (42) sleeved on the first telescopic bracket (41), and an electric push rod (43) arranged on the first telescopic bracket (41);

one end of the first expansion bracket (41) is fixedly connected with the bottom plate (5); one end of the second telescopic frame (42) is fixedly connected with the telescopic end of the electric push rod (43), and the other end of the second telescopic frame is fixedly connected with the display screen driving mechanism (2).

6. A display device according to claim 1, characterized in that the display control module (3) detects the rotation angle of the display (1) and drives the display interface of the display (1) to rotate synchronously when detecting that the rotation angle is larger than an angle preset value.