CN211906844U - Ultra-narrow frame infrared interactive flat plate - Google Patents
Ultra-narrow frame infrared interactive flat plate Download PDFInfo
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- CN211906844U CN211906844U CN202020283090.0U CN202020283090U CN211906844U CN 211906844 U CN211906844 U CN 211906844U CN 202020283090 U CN202020283090 U CN 202020283090U CN 211906844 U CN211906844 U CN 211906844U
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Abstract
The utility model discloses an infrared interactive flat board of super narrow frame, including frame, touch-control writing panel, liquid crystal display panel, optical film group and backplate, the respective edge all around of touch-control writing panel, backplate and frame fixed connection, liquid crystal display panel is located between touch-control writing panel and the backplate, optical film group is located one side that liquid crystal display panel carried on the back in touch-control writing panel mutually, the backplate is close to optical film group's parallel mount on the surface has a plurality of LED lamp strip, install a first infrared module in the bellying in the first framework, install the infrared module of second in the bellying in the third framework, and first infrared module sets up with the infrared module of second relatively. The utility model discloses reduced by a wide margin and realized the required LED quantity of touch, and the dismouting of being convenient for, still greatly reduced into manufacturing cost in attenuate all-in-one thickness, improved machining efficiency.
Description
Technical Field
The utility model relates to an ultra-narrow frame infrared interactive flat board belongs to education and equips technical field.
Background
The touch control all-in-one machine is a machine which perfectly combines a touch screen, a liquid crystal screen, a display control unit and an all-in-one machine shell and finally can realize touch control operation through a power line. The touch control all-in-one machine is convenient to use, and a user can directly input coordinate information into a computer by using fingers or other objects. It is an input device like a mouse and a keyboard. The adopted touch screen has the advantages of firmness, durability, high response speed, space saving, easy communication and the like. By using the technology, the host can be operated by only lightly touching the icons or characters on the computer display screen by fingers, so that the human-computer interaction is more straightforward. The technology is greatly convenient for users who do not know the operation of the computer. With the development of science and technology, more and more touch control integrated machines are applied to the field of education and become one of the devices with the highest use frequency in daily teaching work, and teachers of all departments must write contents and convey knowledge for students on the devices. In the information era, the teaching contents of teachers are rich and colorful, so that higher requirements are put forward on the functions of equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an infrared interactive flat board of super narrow frame, this infrared interactive flat board of super narrow frame has reduced the required LED quantity of realization touch by a wide margin, and the dismouting of being convenient for, still greatly reduces into manufacturing cost in attenuate all-in-one thickness, improves machining efficiency.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an ultra-narrow frame infrared interactive flat plate comprises an outer frame, a touch writing panel, a liquid crystal panel, an optical diaphragm group and a back plate, wherein the peripheral edges of the touch writing panel and the back plate are fixedly connected with the outer frame;
the outer frame is formed by first framework, second framework, third framework and fourth framework end to end connection, first framework and third framework parallel arrangement respectively in touch-control writing panel's top and below, second framework and fourth framework distribution parallel arrangement in the left and right sides of touch-control writing panel, have a bellying forward respectively in first framework and the third framework, and bellying face-to-face setting in the bellying in the first framework and the third framework, install a first infrared module on the bellying in the first framework, install the infrared module of a second on the bellying in the third framework, and first infrared module sets up with the infrared module of second relatively.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, first infrared module and the infrared module of second all include a plurality of infrared transmitter and/or a plurality of infrared receiver, infrared transmitter corresponds the setting with infrared receiver.
2. In the above scheme, the LED lamp strip further comprises a substrate and lamp beads arranged on the substrate at intervals.
3. In the above-mentioned solution, the third frame further has a lower convex portion, and the lower convex portion is internally provided with a loudspeaker, an external interface, and a power button.
4. In the above scheme, a numerical control box is installed on the surface of the back plate opposite to the touch writing panel.
5. In the above scheme, the liquid crystal panel and the optical diaphragm group are fixed on the touch writing panel through the pressing strips arranged at the peripheral edges of the optical diaphragm group.
6. In the above scheme, a buffer layer is arranged between the pressing strip and the optical diaphragm group.
7. In the scheme, the surface of the back plate provided with the LED lamp strip is pasted with the reflecting paper.
8. 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 sequentially arranged.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the ultra-narrow frame infrared interactive flat plate 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, and the assembly and disassembly are convenient; in addition, it adopts the design of integration modularization, directly assembles touch-control writing panel and liquid crystal display panel, backlight as an organic whole, 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 into manufacturing cost when attenuate all-in-one thickness, improves machining efficiency.
Drawings
FIG. 1 is a front view of an ultra-narrow frame infrared interactive flat plate structure of the present invention;
FIG. 2 is a rear view of the ultra-narrow frame infrared interactive flat plate structure of the present invention;
FIG. 3 is a cross-sectional view of the super-narrow frame infrared interactive flat plate upper structure of the utility model;
FIG. 4 is a cross-sectional view of the ultra-narrow frame infrared interactive flat plate substructure of the present invention;
fig. 5 is the utility model discloses ultra-narrow frame infrared interactive dull and stereotyped local structure schematic diagram.
In the above drawings: 1. an outer frame; 2. a touch writing panel; 3. a liquid crystal panel; 4. an optical film set; 5. a back plate; 6. an LED light bar; 601. a substrate; 602. a lamp bead; 71. a first frame body; 81. a second frame body; 72. a third frame body; 82. a fourth frame body; 9. a boss portion; 10. a lower convex portion; 11. a first infrared module; 12. a second infrared module; 13. an infrared emitter; 14. an infrared receiver; 15. a numerical control box; 16. and (7) pressing strips.
Detailed Description
Example 1: an ultra-narrow frame infrared interactive flat plate comprises an outer frame 1, a touch writing panel 2, a liquid crystal panel 3, an optical diaphragm group 4 and a back plate 5, wherein the peripheral edges of the touch writing panel 2 and the back plate 5 are fixedly connected with the outer frame 1 respectively, the liquid crystal panel 3 is positioned between the touch writing panel 2 and the back plate 5, the optical diaphragm group 4 is positioned on one side of the liquid crystal panel 3 back to the touch writing panel 2, and a plurality of LED lamp strips 6 are arranged in parallel on the surface of the back plate 5 close to the optical diaphragm group 4;
the outer frame 1 is formed by connecting a first frame body 71, a second frame body 81, a third frame body 72 and a fourth frame body 82 end to end, the first frame body 71 and the third frame body 72 are respectively arranged above and below the touch writing panel 2 in parallel, the second frame body 81 and the fourth frame body 82 are arranged on the left side and the right side of the touch writing panel 2 in parallel, a forward protruding portion 9 is respectively arranged on the first frame body 71 and the third frame body 72, the protruding portion 9 on the first frame body 71 and the protruding portion 9 on the third frame body 72 are arranged face to face, a first infrared module 11 is arranged on the protruding portion 9 on the first frame body 71, a second infrared module 12 is arranged on the protruding portion 9 on the third frame body 72, and the first infrared module 11 and the second infrared module 12 are arranged oppositely.
The first infrared module 11 and the second infrared module 12 each include a plurality of infrared emitters 13 and/or a plurality of infrared receivers 14, and the infrared emitters 13 and the infrared receivers 14 are arranged correspondingly; each infrared emitter 13 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 LED light bar 6 further comprises a substrate 601 and light beads 602 arranged on the substrate 601 at intervals; the third frame 72 further has a lower protrusion 10, and the lower protrusion 10 is provided with a speaker, an external interface, and a power button; a numerical control box 15 is mounted on the surface of the back plate 5 opposite to the touch writing panel 2.
Example 2: an ultra-narrow frame infrared interactive flat plate comprises an outer frame 1, a touch writing panel 2, a liquid crystal panel 3, an optical diaphragm group 4 and a back plate 5, wherein the peripheral edges of the touch writing panel 2 and the back plate 5 are fixedly connected with the outer frame 1 respectively, the liquid crystal panel 3 is positioned between the touch writing panel 2 and the back plate 5, the optical diaphragm group 4 is positioned on one side of the liquid crystal panel 3 back to the touch writing panel 2, and a plurality of LED lamp strips 6 are arranged in parallel on the surface of the back plate 5 close to the optical diaphragm group 4;
the outer frame 1 is formed by connecting a first frame body 71, a second frame body 81, a third frame body 72 and a fourth frame body 82 end to end, the first frame body 71 and the third frame body 72 are respectively arranged above and below the touch writing panel 2 in parallel, the second frame body 81 and the fourth frame body 82 are arranged on the left side and the right side of the touch writing panel 2 in parallel, a forward protruding portion 9 is respectively arranged on the first frame body 71 and the third frame body 72, the protruding portion 9 on the first frame body 71 and the protruding portion 9 on the third frame body 72 are arranged face to face, a first infrared module 11 is arranged on the protruding portion 9 on the first frame body 71, a second infrared module 12 is arranged on the protruding portion 9 on the third frame body 72, and the first infrared module 11 and the second infrared module 12 are arranged oppositely.
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 liquid crystal panel 3 and the optical diaphragm group 4 are fixed on the touch writing panel 2 through the pressing strips 16 arranged at the peripheral edges of the optical diaphragm group 4; a buffer layer is arranged between the pressing strip 16 and the optical diaphragm group 4;
reflecting paper is pasted on the surface of the back plate 5 provided with the LED lamp strip 6; the optical film set 4 includes a diffusion film, a brightness enhancement film, a diffusion plate and a prism sheet, which are sequentially arranged.
When the ultra-narrow frame infrared interactive flat panel is adopted, an infrared touch mode is adopted, and the influence on touch precision caused by 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, and the assembly and disassembly are convenient;
in addition, it adopts the design of integration modularization, directly assembles touch-control writing panel and liquid crystal display panel, backlight as an organic whole, 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 into manufacturing cost when attenuate all-in-one thickness, improves machining efficiency.
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 (9)
1. The utility model provides an infrared interactive dull and stereotyped of super narrow frame which characterized in that: the touch control writing board comprises an outer frame framework (1), a touch control writing panel (2), a liquid crystal panel (3), an optical diaphragm group (4) and a back plate (5), wherein the peripheral edges of the touch control writing panel (2) and the back plate (5) are fixedly connected with the outer frame framework (1), the liquid crystal panel (3) is positioned between the touch control writing panel (2) and the back plate (5), the optical diaphragm group (4) is positioned on one side, back to the touch control writing panel (2), of the liquid crystal panel (3), and a plurality of LED lamp strips (6) are parallelly installed on the surface, close to the optical diaphragm group (4), of the back plate (5);
the outer frame (1) is formed by connecting a first frame body (71), a second frame body (81), a third frame body (72) and a fourth frame body (82) end to end, the first frame body (71) and the third frame body (72) are respectively arranged above and below the touch writing panel (2) in parallel, the second frame body (81) and the fourth frame body (82) are respectively arranged at the left side and the right side of the touch writing panel (2) in parallel, a forward bulge (9) is respectively arranged on the first frame body (71) and the third frame body (72), the bulge (9) on the first frame body (71) and the bulge (9) on the third frame body (72) are arranged in a face-to-face manner, a first infrared module (11) is arranged on the bulge (9) on the first frame body (71), and a second infrared module (12) is arranged on the bulge (9) on the third frame body (72), and the first infrared module (11) and the second infrared module (12) are arranged oppositely.
2. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: first infrared module (11) and second infrared module (12) all include a plurality of infrared transmitter (13) and/or a plurality of infrared receiver (14), infrared transmitter (13) correspond the setting with infrared receiver (14).
3. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: the LED lamp strip (6) further comprises a substrate (601) and lamp beads (602) which are arranged on the substrate (601) at intervals.
4. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: the third frame body (72) is also provided with a lower convex part (10), and the lower convex part (10) is internally provided with a loudspeaker, an external interface and a power button.
5. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: and a numerical control box (15) is arranged on the surface of the back plate (5) back to the touch writing panel (2).
6. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: the liquid crystal panel (3) and the optical diaphragm group (4) are fixed on the touch writing panel (2) through pressing strips (16) arranged at the peripheral edges of the optical diaphragm group (4).
7. The ultra-narrow frame infrared interactive tablet of claim 6, wherein: and a buffer layer is arranged between the pressing strip (16) and the optical diaphragm group (4).
8. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: and reflective paper is adhered to the surface of the back plate (5) provided with the LED lamp strip (6).
9. The ultra-narrow frame infrared interactive tablet of claim 1, wherein: the optical film group (4) 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 |
|---|---|---|---|
| CN202020283090.0U CN211906844U (en) | 2020-03-10 | 2020-03-10 | Ultra-narrow frame infrared interactive flat plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020283090.0U CN211906844U (en) | 2020-03-10 | 2020-03-10 | Ultra-narrow frame infrared interactive flat plate |
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| CN211906844U true CN211906844U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020283090.0U Active CN211906844U (en) | 2020-03-10 | 2020-03-10 | Ultra-narrow frame infrared interactive flat plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127020A1 (en) * | 2020-12-15 | 2022-06-23 | Tcl商用信息科技(惠州)有限责任公司 | Display screen housing and display screen |
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2020
- 2020-03-10 CN CN202020283090.0U patent/CN211906844U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022127020A1 (en) * | 2020-12-15 | 2022-06-23 | Tcl商用信息科技(惠州)有限责任公司 | Display screen housing and display screen |
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