CN213458477U - Intelligent blackboard for modern teaching - Google Patents
Intelligent blackboard for modern teaching Download PDFInfo
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- CN213458477U CN213458477U CN202020313383.9U CN202020313383U CN213458477U CN 213458477 U CN213458477 U CN 213458477U CN 202020313383 U CN202020313383 U CN 202020313383U CN 213458477 U CN213458477 U CN 213458477U
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Abstract
The utility model discloses an intelligent blackboard for modern teaching, including an at least clipboard and an at least mutual movable plate, clipboard and interactive board are fixed through respective frame work adornment respectively, interactive board is including clipboard, touch-control membrane, LCD panel and backlight unit, backlight unit further includes base plate, LED lamp area, light guide plate, the membrane of homogenizing light and reflection paper, the reflection paper is located between base plate and the light guide plate, the membrane of homogenizing light is located a side surface that the light guide plate carried on the back in the base plate mutually, LED lamp area sets up respectively in the upper and lower both sides of light guide plate to install on the base plate through a stay respectively. The utility model is used for the light guide plate is guaranteed to the intelligent blackboard of modern teaching and the light uniformity nature of the membrane contralateral incident light source of evening light for the dispersion of light source more is even and stable, further guarantees to use the backlight module of the invention to have good display effect.
Description
Technical Field
The utility model relates to an intelligent blackboard for modern teaching belongs to education and equips technical field.
Background
Teaching lessons in the form of chalk used in conjunction with a blackboard has long been a very important position in the field of education. The teaching aid has the advantage of low teaching cost, and the teacher can draw the lecture of the sound and drawing colors and the image graphic representation or explanation on the blackboard, so that the attention of students can be greatly improved, and the learning efficiency is improved.
However, with the development of science and technology, multimedia classrooms and electronic blackboards are common in the campus nowadays, wherein the general components of the multimedia classrooms include multimedia computers, liquid crystal projectors, projection screens, audio equipment and the like. During actual teaching, a multimedia computer is used for displaying pre-prepared teaching materials through projection of a projector, and meanwhile, the cooperation of sound and man-machine interaction operation between a user and the computer are added according to needs to complete the teaching or training process. It can be seen that the multimedia teaching apparatus in the prior art also has some drawbacks, such as: the multimedia equipment is more, and a projector, a projection screen and the like need to be independently equipped; the projection screen is generally white and can not be used in an environment with bright light; the function is single, and the expansibility is avoided. The existing electronic blackboard is usually integrated with the display screen as a whole into the blackboard, which is not beneficial to the weight reduction, thinning and installation of the weight of the blackboard.
Disclosure of Invention
The utility model aims at providing an intelligent blackboard for modern teaching, this an intelligent blackboard for modern teaching guarantees light guide plate and the light-equalizing membrane and goes into the light uniformity nature of light source to the offside for the dispersion of light source more is even and stable, further guarantees to use the backlight module of the invention to have good display effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: an intelligent blackboard for modern teaching comprises at least one writing board and at least one interactive board, wherein the writing board and the interactive board are respectively installed and fixed through respective outer frame frames;
the interactive board comprises a writing panel, a touch control film, a liquid crystal panel and a backlight module, wherein the touch control film is positioned between the writing panel and the liquid crystal panel and is pasted on one surface of the writing panel;
the periphery outer sides of the medium plate and the liquid crystal panel are respectively provided with a plurality of fixed blocks, the fixed blocks are fixed at the periphery edges of the writing panel or the touch control film, the periphery outer sides of the medium plate and the liquid crystal panel are respectively provided with a cover plate connected with the fixed blocks, one side of the cover plate is connected with the fixed blocks, and the other side of the cover plate is connected with the periphery edges of the medium plate and the liquid crystal panel in a pressing way;
the backlight module further comprises a substrate, an LED lamp strip, a light guide plate, a light homogenizing film and reflecting paper, wherein the reflecting paper is positioned between the substrate and the light guide plate, the light homogenizing film is positioned on the surface of one side of the light guide plate opposite to the substrate, the LED lamp strip is respectively arranged on the upper side and the lower side of the light guide plate and is respectively arranged on the substrate through a supporting strip;
the LED lamp strip comprises a plurality of LED elements and a circuit board, the LED elements are arranged on the surface of one side of the circuit board at equal intervals, the surface of the other side of the circuit board is connected with the supporting strips in an adhesive mode, and one side of the circuit board provided with the LED elements is arranged face to face with the side surface of the light guide plate;
the LED lamp strip is characterized by further comprising at least two adjusting plates, wherein the adjusting plates are arranged between the base plate and the reflecting paper, so that the LED elements of the LED lamp strip are aligned with the light guide plate in the vertical direction.
The further improved scheme in the technical scheme is as follows:
1. in the scheme, the diffusion film and the brightness enhancement film are stacked above the light-homogenizing film.
2. In the above solution, an elastic cushion layer is arranged between the lower surface of the cover plate and the upper surface of the liquid crystal panel.
3. In the above scheme, the four cover plates are respectively connected with the fixing block through a screw.
4. In the above scheme, the number of the adjusting plates is 2, and the adjusting plates are respectively positioned at the upper edge and the lower edge of the base plate.
5. In the above scheme, the number of regulating plates is 3, and the regulating plates are respectively positioned at the upper edge and the lower edge of the substrate and at the middle part of the substrate.
6. In the above scheme, the regulating plate is an acrylic regulating plate.
7. In the above scheme, the fixed block is fixedly bonded with the touch control film through the double faced adhesive tape.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model is used for modern teaching's intelligent blackboard, it still is provided with two at least regulating plates, this regulating plate sets up between base plate and reflection paper, make the LED component in LED lamp area and light guide plate align the setting in vertical direction, through the setting of regulating plate, can guarantee that the light that the LED component sent jets into the light guide plate from light guide plate side central authorities all the time, thereby guarantee the light uniformity nature of light guide plate and the equal light film offside income light source, make the dispersion more of light source even and stable, further guarantee to use the backlight module of the invention to have good display effect.
2. The utility model discloses an intelligent blackboard for modern teaching, it peels off liquid crystal display panel from traditional LCD to assemble into independent module through the apron with writing panel, touch-control membrane, cooperates backlight unit, just can realize touch-control and display operation, has simplified the flow of production, the processing of being convenient for, very big improvement production efficiency, saving manufacturing cost; meanwhile, a plurality of fixed blocks are respectively arranged on the outer sides of the peripheries of the dielectric plate and the liquid crystal panel, the fixed blocks are fixed at the peripheral edges of the writing panel or the touch control film, cover plates connected with the fixed blocks are respectively arranged on the outer sides of the peripheries of the dielectric plate and the liquid crystal panel, one side of each cover plate is connected with the fixed block, and the other side of each cover plate is connected with the peripheral edges of the dielectric plate and the liquid crystal panel in a pressing mode, so that the deformation of the dielectric plate and the liquid crystal panel under the influence of environmental factors can be reduced, the display definition and the touch control precision are improved; furthermore, the liquid crystal panel is convenient to maintain and replace, the replacement of the liquid crystal panel cannot generate adverse effects on other components such as the touch control film, and the cost of maintenance is reduced.
Drawings
FIG. 1 is a schematic structural view of an intelligent blackboard for modern teaching of the present invention;
FIG. 2 is a schematic structural view of a backlight module in an intelligent blackboard for modern teaching of the present invention;
FIG. 3 is a side view of the structure of a backlight module in an intelligent blackboard for modern teaching of the present invention;
FIG. 4 is a side view of the backlight module in the intelligent blackboard for modern teaching of the present invention;
figure 5 is the utility model discloses a local structure side view of an intelligent blackboard for modern teaching.
In the above drawings: 1. a writing board; 2. an interactive plate; 3. an outer frame; 1a, a writing panel; 2a, a touch control film; 3a, a dielectric plate; 4a, a liquid crystal panel; 5a, fixing blocks; 6a, a cover plate; 7a, a screw; 10a, a backlight module; 1b, a substrate; 2b, an LED lamp strip; 2b1, LED element; 2b2, circuit board; 3b, a light guide plate; 4b, a light homogenizing film; 5b, reflective paper; 6b, supporting strips; 7b, a diffusion film; 8b, a brightness enhancement film; 9b, an adjusting plate.
Detailed Description
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1: an intelligent blackboard for modern teaching comprises at least one writing board 1 and at least one interactive board 2, wherein the writing board 1 and the interactive board 2 are respectively installed and fixed through respective outer frame frames 3;
the interactive plate 2 comprises a writing panel 1a, a touch film 2a, a liquid crystal panel 4a and a backlight module 10a, wherein the touch film 2a is positioned between the writing panel 1a and the liquid crystal panel 4a and is pasted on one surface of the writing panel 1a, the backlight module 10a is arranged on one side, opposite to the touch film 2a, of the liquid crystal panel 4a, and a transparent dielectric plate 3a is also arranged between the touch film 2a and the liquid crystal panel 4 a;
a plurality of fixing blocks 5a are respectively arranged on the outer sides of the peripheries of the dielectric plate 3a and the liquid crystal panel 4a, the fixing blocks 5a are fixed at the edges of the peripheries of the writing panel 1a or the touch control film 2a, cover plates 6a connected with the fixing blocks 5a are respectively arranged on the outer sides of the peripheries of the dielectric plate 3a and the liquid crystal panel 4a, one side of each cover plate 6a is connected with the corresponding fixing block 5a, and the other side of each cover plate 6a is connected with the edges of the peripheries of the dielectric plate 3a and the liquid crystal panel 4a in a pressing;
the backlight module 10a further comprises a substrate 1b, an LED strip 2b, a light guide plate 3b, a light-equalizing film 4b and a piece of reflective paper 5b, wherein the reflective paper 5b is located between the substrate 1b and the light guide plate 3b, the light-equalizing film 4b is located on a side surface of the light guide plate 3b opposite to the substrate 1b, and the LED strip 2b is respectively arranged on the upper side and the lower side of the light guide plate 3b and is respectively mounted on the substrate 1b through a supporting strip 6 b;
the LED lamp strip 2b comprises a plurality of LED elements 2b1 and a circuit board 2b2, the LED elements 2b1 are mounted on one side surface of the circuit board 2b2 at equal intervals, the other side surface of the circuit board 2b2 is connected with a supporting strip 6b in an adhering mode, and one side of the circuit board 2b2 on which the LED elements 2b1 are mounted is arranged in a face-to-face mode with the side surface of the light guide plate 3 b;
at least two adjusting plates 9b are further provided, and the adjusting plates 9b are disposed between the substrate 1b and the reflective paper 5b, so that the LED elements 2b1 of the LED strip 2b are aligned with the light guide plate 3b in the vertical direction, that is, the center lines of the LED elements and the light guide plate are in the same plane.
A diffusion film 7b and a brightness enhancement film 8b are stacked above the light uniformizing film 4 b; an elastic cushion layer is arranged between the lower surface of the cover plate 6a and the upper surface of the liquid crystal panel 4 a; the four cover plates 6a are respectively connected with the fixed block 5a through screws 7 a; the number of the adjusting plates 9b is 2, and the adjusting plates are respectively positioned at the upper edge and the lower edge of the base plate 1 b.
Example 2: an intelligent blackboard for modern teaching comprises at least one writing board 1 and at least one interactive board 2, wherein the writing board 1 and the interactive board 2 are respectively installed and fixed through respective outer frame frames 3;
the interactive plate 2 comprises a writing panel 1a, a touch film 2a, a liquid crystal panel 4a and a backlight module 10a, wherein the touch film 2a is positioned between the writing panel 1a and the liquid crystal panel 4a and is pasted on one surface of the writing panel 1a, the backlight module 10a is arranged on one side, opposite to the touch film 2a, of the liquid crystal panel 4a, and a transparent dielectric plate 3a is also arranged between the touch film 2a and the liquid crystal panel 4 a;
a plurality of fixing blocks 5a are respectively arranged on the outer sides of the peripheries of the dielectric plate 3a and the liquid crystal panel 4a, the fixing blocks 5a are fixed at the edges of the peripheries of the writing panel 1a or the touch control film 2a, cover plates 6a connected with the fixing blocks 5a are respectively arranged on the outer sides of the peripheries of the dielectric plate 3a and the liquid crystal panel 4a, one side of each cover plate 6a is connected with the corresponding fixing block 5a, and the other side of each cover plate 6a is connected with the edges of the peripheries of the dielectric plate 3a and the liquid crystal panel 4a in a pressing;
the backlight module 10a further comprises a substrate 1b, an LED strip 2b, a light guide plate 3b, a light-equalizing film 4b and a piece of reflective paper 5b, wherein the reflective paper 5b is located between the substrate 1b and the light guide plate 3b, the light-equalizing film 4b is located on a side surface of the light guide plate 3b opposite to the substrate 1b, and the LED strip 2b is respectively arranged on the upper side and the lower side of the light guide plate 3b and is respectively mounted on the substrate 1b through a supporting strip 6 b;
the LED lamp strip 2b comprises a plurality of LED elements 2b1 and a circuit board 2b2, the LED elements 2b1 are mounted on one side surface of the circuit board 2b2 at equal intervals, the other side surface of the circuit board 2b2 is connected with a supporting strip 6b in an adhering mode, and one side of the circuit board 2b2 on which the LED elements 2b1 are mounted is arranged in a face-to-face mode with the side surface of the light guide plate 3 b;
at least two adjusting plates 9b are further provided, and the adjusting plates 9b are disposed between the substrate 1b and the reflective paper 5b, so that the LED elements 2b1 of the LED strip 2b are aligned with the light guide plate 3b in the vertical direction, that is, the center lines of the LED elements and the light guide plate are in the same plane.
The number of the adjusting plates 9b is 3, and the adjusting plates are respectively positioned at the upper edge and the lower edge of the base plate 1b and in the middle of the base plate 1 b; the adjusting plate 9b is an acrylic adjusting plate; the fixing block 5a is fixedly bonded with the touch control film 2a through a double-sided adhesive tape.
When the intelligent blackboard for modern teaching is adopted, the light rays emitted by the LED elements can be ensured to be always emitted into the light guide plate from the center of the side surface of the light guide plate through the arrangement of the adjusting plate, so that the light uniformity of the light source entering the light guide plate and the light-equalizing film is ensured, the light source is more uniformly dispersed and stable, and the backlight module provided by the invention is further ensured to have a good display effect;
in addition, the liquid crystal panel is stripped from the traditional liquid crystal display, and is assembled into an independent module together with the writing panel and the touch film through the cover plate, and the touch and display operation can be realized by matching with the backlight module, so that the production flow is simplified, the processing is convenient, the production efficiency is greatly improved, and the production cost is saved; meanwhile, the deformation of the dielectric plate and the liquid crystal panel under the influence of environmental factors can be reduced, so that the display definition and the touch precision are improved, and the user experience is good; furthermore, the liquid crystal panel is convenient to maintain and replace, the replacement of the liquid crystal panel cannot generate adverse effects on other components such as the touch control film, and the cost of maintenance is reduced.
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 (8)
1. The utility model provides an intelligent blackboard for modern teaching which characterized in that: the writing board comprises at least one writing board (1) and at least one interactive board (2), wherein the writing board (1) and the interactive board (2) are respectively installed and fixed through respective outer frame frames (3);
the interactive plate (2) comprises a writing panel (1 a), a touch film (2 a), a liquid crystal panel (4 a) and a backlight module (10 a), wherein the touch film (2 a) is positioned between the writing panel (1 a) and the liquid crystal panel (4 a) and is pasted on one surface of the writing panel (1 a), the backlight module (10 a) is arranged on one side, opposite to the touch film (2 a), of the liquid crystal panel (4 a), and a transparent dielectric plate (3 a) is further arranged between the touch film (2 a) and the liquid crystal panel (4 a);
the periphery outer sides of the dielectric plate (3 a) and the liquid crystal panel (4 a) are respectively provided with a plurality of fixing blocks (5 a), the fixing blocks (5 a) are fixed at the periphery edges of the writing panel (1 a) or the touch control film (2 a), the periphery outer sides of the dielectric plate (3 a) and the liquid crystal panel (4 a) are respectively provided with a cover plate (6 a) connected with the fixing blocks (5 a), one side of the cover plate (6 a) is connected with the fixing blocks (5 a), and the other side of the cover plate is connected with the periphery edges of the dielectric plate (3 a) and the liquid crystal panel (4 a) in a pressing mode;
the backlight module (10 a) further comprises a substrate (1 b), an LED lamp strip (2 b), a light guide plate (3 b), a light homogenizing film (4 b) and reflecting paper (5 b), wherein the reflecting paper (5 b) is positioned between the substrate (1 b) and the light guide plate (3 b), the light homogenizing film (4 b) is positioned on the surface of one side, back to the substrate (1 b), of the light guide plate (3 b), the LED lamp strip (2 b) is respectively arranged on the upper side and the lower side of the light guide plate (3 b) and is respectively installed on the substrate (1 b) through a supporting strip (6 b);
the LED lamp strip (2 b) comprises a plurality of LED elements (2 b 1) and a circuit board (2 b 2), the LED elements (2 b 1) are mounted on one side surface of the circuit board (2 b 2) at equal intervals, the other side surface of the circuit board (2 b 2) is connected with the supporting bar (6 b) in an adhering mode, and one side of the circuit board (2 b 2) provided with the LED elements (2 b 1) is arranged in a face-to-face mode with the side surface of the light guide plate (3 b);
at least two adjusting plates (9 b) are further provided, and the adjusting plates (9 b) are arranged between the base plate (1 b) and the reflecting paper (5 b) so that the LED elements (2 b 1) of the LED lamp strip (2 b) and the light guide plate (3 b) are aligned in the vertical direction.
2. An intelligent blackboard for modern teaching according to claim 1, characterised in that: and a diffusion film (7 b) and a brightness enhancement film (8 b) are stacked above the light uniformizing film (4 b).
3. An intelligent blackboard for modern teaching according to claim 1, characterised in that: an elastic cushion layer is arranged between the lower surface of the cover plate (6 a) and the upper surface of the liquid crystal panel (4 a).
4. An intelligent blackboard for modern teaching according to claim 1, characterised in that: the four cover plates (6 a) are respectively connected with the fixed block (5 a) through screws (7 a).
5. An intelligent blackboard for modern teaching according to claim 1, characterised in that: the number of the adjusting plates (9 b) is 2, and the adjusting plates are respectively positioned at the upper edge and the lower edge of the base plate (1 b).
6. An intelligent blackboard for modern teaching according to claim 1, characterised in that: the number of the adjusting plates (9 b) is 3, and the adjusting plates are respectively positioned at the upper edge and the lower edge of the base plate (1 b) and in the middle of the base plate (1 b).
7. An intelligent blackboard for modern teaching according to claim 1, characterised in that: the adjusting plate (9 b) is an acrylic adjusting plate.
8. An intelligent blackboard for modern teaching according to claim 1 or 4, characterised in that: the fixed block (5 a) is fixedly bonded with the touch control film (2 a) through a double-sided adhesive tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313383.9U CN213458477U (en) | 2020-03-13 | 2020-03-13 | Intelligent blackboard for modern teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020313383.9U CN213458477U (en) | 2020-03-13 | 2020-03-13 | Intelligent blackboard for modern teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213458477U true CN213458477U (en) | 2021-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020313383.9U Active CN213458477U (en) | 2020-03-13 | 2020-03-13 | Intelligent blackboard for modern teaching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213458477U (en) |
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2020
- 2020-03-13 CN CN202020313383.9U patent/CN213458477U/en active Active
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