CN213400021U - Infrared touch-control intelligence blackboard - Google Patents
Infrared touch-control intelligence blackboard Download PDFInfo
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- CN213400021U CN213400021U CN202020283040.2U CN202020283040U CN213400021U CN 213400021 U CN213400021 U CN 213400021U CN 202020283040 U CN202020283040 U CN 202020283040U CN 213400021 U CN213400021 U CN 213400021U
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Abstract
The utility model discloses an infrared touch-control intelligence blackboard, write blackboard and at least one blackboard of writing including an at least touch-control, the touch-control is written the blackboard and is further included touch-control writing panel, liquid crystal display panel, optics diaphragm group and backlight subassembly, liquid crystal display panel is located touch-control writing panel one side of writing the face dorsad, the backlight subassembly is located one side that liquid crystal display panel write the panel mutually in back of, optics diaphragm group sets up between liquid crystal display panel and the backlight subassembly to be located the one side that is close to liquid crystal display panel, the touch-control is written the blackboard and is still including installing in the first infrared module of touch-control writing panel top and installing in the infrared module of second below the touch-control writing panel. The utility model discloses install infrared module on upper and lower frame for the touch-control is write the blackboard and is write the blackboard concatenation and can realize that the plane concatenation of no height drop, the integrative nature of blackboard are good and be convenient for the touch-control, write and the dismouting.
Description
Technical Field
The utility model relates to an infrared touch-control intelligence blackboard belongs to education and equips technical field.
Background
With the development of information technology, many products in the educational equipment industry are being innovated in the direction of informatization and intellectualization, such as: the intelligent check-in system comprises an intelligent check-in system, a high-speed shooting instrument for inputting documents, a desk with a display terminal and the like. The blackboard in the classroom is one of the most frequently used devices in daily teaching work, and teachers of all departments must write contents and convey knowledge for students on the blackboard. In the information era, the teaching contents of teachers are rich and colorful, so that higher requirements are put forward on the functions of the blackboard.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an infrared touch-control intelligence blackboard, this infrared touch-control intelligence blackboard install infrared module on upper and lower frame for the touch-control is write the blackboard and is write the blackboard concatenation and can realize not having the plane concatenation of height drop, the integrative nature of blackboard good and be convenient for touch-control, write and the dismouting.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an infrared touch intelligent blackboard comprises at least one touch writing blackboard and at least one writing blackboard, wherein the touch writing blackboard and the writing blackboard are respectively arranged on respective outer frame frames;
the touch writing blackboard further comprises a touch writing panel, a liquid crystal panel, an optical diaphragm group and a backlight source component, wherein the liquid crystal panel is positioned on one side, opposite to the writing surface, of the touch writing panel;
the touch writing blackboard further comprises a first infrared module arranged above the touch writing panel and a second infrared module arranged below the touch writing panel, the first infrared module and the second infrared module comprise a plurality of infrared transmitters and/or a plurality of infrared receivers, and the infrared transmitters and the infrared receivers are arranged correspondingly.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the touch writing panel is fixedly mounted on the outer frame.
2. In the above scheme, the liquid crystal panel and the optical film set are fixed on the touch writing panel through a pressing bar.
3. In the above scheme, the backlight source assembly includes a back plate and an LED light bar mounted on the back plate, and the back plate is mounted on the outer frame.
4. In the above scheme, a plurality of support columns are arranged in front of the backlight source assembly and the optical film set.
5. In the scheme, the surface of the back plate provided with the LED lamp strip plate is pasted with the reflecting paper.
6. In the above scheme, the optical film group comprises a diffusion film, a brightness enhancement film, a diffusion plate and a prism sheet which are arranged in sequence.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model relates to an infrared touch intelligent blackboard, which adopts an infrared touch mode, and avoids the influence on touch precision caused by the mutual interference between a capacitance touch film and a liquid crystal panel; in addition, the infrared module is arranged on the upper frame and the lower frame, the four-side structure of the traditional infrared touch screen is reduced into a two-side structure, the number of LEDs required for realizing touch is greatly reduced, the touch writing blackboard and the writing blackboard can be spliced to realize plane splicing without height drop, the blackboard is good in integrity and convenient to disassemble and assemble; in addition, the liquid crystal display module of blackboard is write in its touch-control adopts integrated modular design, replaces the equipment processing mode of original backlight unit and display screen, reduces backlight unit's preparation and later stage assembly twice process, greatly reduces manufacturing cost, improves machining efficiency, and the holistic thickness of blackboard is write in the touch-control that significantly reduces simultaneously, has further richened the connotation of intelligent blackboard.
Drawings
Fig. 1 is a schematic structural view of an infrared touch intelligent blackboard of the present invention;
fig. 2 is a front view of an infrared touch intelligent blackboard of the utility model;
fig. 3 is a sectional view of a local structure of an infrared touch intelligent blackboard of the utility model;
figure 4 is the utility model relates to a local structure schematic diagram of infrared touch-control intelligence blackboard.
In the above drawings: 1. a touch writing blackboard; 2. a writing blackboard; 3. an outer frame; 4. a touch writing panel; 5. a liquid crystal panel; 6. an optical film set; 7. a backlight unit; 8. a first infrared module; 9. a second infrared module; 10. an infrared emitter; 11. an infrared receiver.
Detailed Description
Example 1: an infrared touch intelligent blackboard comprises at least one touch writing blackboard 1 and at least one writing blackboard 2, wherein the touch writing blackboard 1 and the writing blackboard 2 are respectively arranged on respective outer frame frames 3;
the touch writing blackboard 1 further comprises a touch writing panel 4, a liquid crystal panel 5, an optical film group 6 and a backlight source component 7, wherein the liquid crystal panel 5 is positioned on one side of the touch writing panel 4 opposite to the writing surface, the backlight source component 7 is positioned on one side of the liquid crystal panel 5 opposite to the touch writing panel 4, and the optical film group 6 is arranged between the liquid crystal panel 5 and the backlight source component 7 and positioned on one side close to the liquid crystal panel 5;
Each infrared emitter 10 emits two beams of oblique infrared light, and the included angles formed between the two beams of infrared light and the vertical direction are the same; the touch writing panel 4 is fixedly mounted on the outer frame 3; the liquid crystal panel 5 and the optical film group 6 are fixed on the touch writing panel 4 through a pressing bar;
the backlight source assembly 7 comprises a back plate and an LED light bar arranged on the back plate, and the back plate is arranged on the outer frame 3; a plurality of support columns are arranged in front of the backlight source component 7 and the optical film group 6; the surface of the back plate provided with the LED lamp strip plate is pasted with the reflecting paper.
Example 2: an infrared touch intelligent blackboard comprises at least one touch writing blackboard 1 and at least one writing blackboard 2, wherein the touch writing blackboard 1 and the writing blackboard 2 are respectively arranged on respective outer frame frames 3;
the touch writing blackboard 1 further comprises a touch writing panel 4, a liquid crystal panel 5, an optical film group 6 and a backlight source component 7, wherein the liquid crystal panel 5 is positioned on one side of the touch writing panel 4 opposite to the writing surface, the backlight source component 7 is positioned on one side of the liquid crystal panel 5 opposite to the touch writing panel 4, and the optical film group 6 is arranged between the liquid crystal panel 5 and the backlight source component 7 and positioned on one side close to the liquid crystal panel 5;
By adopting a latest algorithm, the four-side structure of the traditional infrared touch screen is reduced into a two-side structure, so that the number of LEDs required for realizing touch is greatly reduced, and the reaction speed, the light resistance and the expandability of the touch screen are greatly improved;
the touch writing panel 4 is fixedly mounted on the outer frame 3; the optical film group 6 includes a diffusion film, a brightness enhancement film, a diffusion plate, and a prism sheet, which are sequentially disposed.
When the infrared touch intelligent blackboard is adopted, the infrared touch mode is adopted, and the influence on touch precision caused by the mutual interference between a capacitive touch film and a liquid crystal panel is avoided;
in addition, the infrared module is arranged on the upper frame and the lower frame, the four-side structure of the traditional infrared touch screen is reduced into a two-side structure, the number of LEDs required for realizing touch is greatly reduced, the touch writing blackboard and the writing blackboard can be spliced to realize plane splicing without height drop, the blackboard is good in integrity and convenient to disassemble and assemble;
in addition, the liquid crystal display module of blackboard is write in its touch-control adopts integrated modular design, replaces the equipment processing mode of original backlight unit and display screen, reduces backlight unit's preparation and later stage assembly twice process, greatly reduces manufacturing cost, improves machining efficiency, and the holistic thickness of blackboard is write in the touch-control that significantly reduces simultaneously, has further richened the connotation of intelligent blackboard.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides an infrared touch-control intelligence blackboard which characterized in that: the touch writing blackboard comprises at least one touch writing blackboard (1) and at least one writing blackboard (2), wherein the touch writing blackboard (1) and the writing blackboard (2) are respectively arranged on respective outer frame frames (3);
the touch writing blackboard (1) further comprises a touch writing panel (4), a liquid crystal panel (5), an optical film group (6) and a backlight source component (7), wherein the liquid crystal panel (5) is positioned on one side, opposite to the writing surface, of the touch writing panel (4), the backlight source component (7) is positioned on one side, opposite to the touch writing panel (4), of the liquid crystal panel (5), and the optical film group (6) is arranged between the liquid crystal panel (5) and the backlight source component (7) and positioned on one side close to the liquid crystal panel (5);
blackboard (1) is write in touch-control still including installing in first infrared module (8) of touch-control writing panel (4) top and installing in the infrared module (9) of second of touch-control writing panel (4) below, first infrared module (8) include a plurality of infrared transmitter (10), the infrared module (9) of second include a plurality of infrared receiver (11), infrared transmitter (10) correspond the setting with infrared receiver (11).
2. The infrared touch intelligent blackboard of claim 1, wherein: the touch writing panel (4) is fixedly arranged on the outer frame framework (3).
3. The infrared touch intelligent blackboard according to claim 2, characterized in that: the liquid crystal panel (5) and the optical diaphragm group (6) are fixed on the touch writing panel (4) through a pressing bar.
4. The infrared touch intelligent blackboard of claim 1, wherein: the backlight source component (7) comprises a back plate and an LED lamp strip arranged on the back plate, and the back plate is arranged on the outer frame (3).
5. The infrared touch intelligent blackboard according to claim 1 or 4, characterized in that: a plurality of supporting columns are arranged in front of the backlight source component (7) and the optical film group (6).
6. The infrared touch intelligent blackboard of claim 4, wherein: and the surface of the back plate provided with the LED lamp strip plate is pasted with reflection paper.
7. The infrared touch intelligent blackboard of claim 1, wherein: the optical film group (6) comprises a diffusion film, a brightness enhancement film, a diffusion plate and a prism sheet which are arranged in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283040.2U CN213400021U (en) | 2020-03-10 | 2020-03-10 | Infrared touch-control intelligence blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283040.2U CN213400021U (en) | 2020-03-10 | 2020-03-10 | Infrared touch-control intelligence blackboard |
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| Publication Number | Publication Date |
|---|---|
| CN213400021U true CN213400021U (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020283040.2U Active CN213400021U (en) | 2020-03-10 | 2020-03-10 | Infrared touch-control intelligence blackboard |
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| CN (1) | CN213400021U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421502A (en) * | 2021-07-19 | 2021-09-21 | 北京汇冠触摸技术有限公司 | Infrared screen cutting and splicing method |
-
2020
- 2020-03-10 CN CN202020283040.2U patent/CN213400021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113421502A (en) * | 2021-07-19 | 2021-09-21 | 北京汇冠触摸技术有限公司 | Infrared screen cutting and splicing method |
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