CN212694603U - Large-breadth intelligent blackboard - Google Patents
Large-breadth intelligent blackboard Download PDFInfo
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- CN212694603U CN212694603U CN202020236711.XU CN202020236711U CN212694603U CN 212694603 U CN212694603 U CN 212694603U CN 202020236711 U CN202020236711 U CN 202020236711U CN 212694603 U CN212694603 U CN 212694603U
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Abstract
The utility model discloses a large-breadth intelligent blackboard, which 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 movable frame is characterized by further comprising at least one movable plate, a linear guide rail and at least one movable block which is distributed at intervals are arranged between the upper end face of the movable plate and the upper end face of the outer frame, and the linear guide rail is embedded into the movable block or the movable block is embedded into the linear guide rail; 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 the backlight module is positioned on one side of the liquid crystal panel, back to the touch control film. The utility model discloses big breadth intelligence blackboard both can guarantee good mechanical properties when attenuate basic thickness, can alleviate the weight of base plate again to alleviate the weight of the equipment that uses this invention backlight unit greatly, be convenient for transportation and installation.
Description
Technical Field
The utility model relates to a big breadth intelligence blackboard belongs to education and equips technical field.
Background
The blackboard in the classroom is the teaching tool that the frequency of use is the highest of teacher, and along with the popularization of multimedia teaching in recent years, many schools have also had the multimedia classroom, and the teacher can give the student with PPT and video mode and give class, carries out teaching or interdynamic. The display screen is often integrated into the blackboard as a whole by the existing 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 a big breadth intelligence blackboard, this big breadth intelligence blackboard both can guarantee good mechanical properties when attenuate basic thickness, can alleviate the weight of base plate again to alleviate the weight of the equipment that uses the backlight unit of the invention greatly, be convenient for transportation and installation.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a large-breadth intelligent blackboard 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 movable frame is characterized by further comprising at least one movable plate, a linear guide rail and at least one movable block which is distributed at intervals are arranged between the upper end face of the movable plate and the upper end face of the outer frame, and the linear guide rail is embedded into the movable block or the movable block is embedded into the linear guide rail;
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 the backlight module is positioned on one side of the liquid crystal panel, which is opposite to the touch control film;
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 substrate comprises a first aluminum plate layer, a second aluminum plate layer and a honeycomb core material layer positioned between the first aluminum plate layer and the second aluminum plate layer;
the left and right sides of light guide plate is provided with a layering respectively, and the one end of this layering is installed on the base plate, the other end of layering is connected with the equal light film contact on the light guide plate, the layering sets up with the support bar is perpendicular, and the both ends of layering are connected with the both ends contact of support bar respectively, the junction of layering and support bar perhaps the junction of support bar and layering is provided with a bellying, the junction of support bar and layering perhaps the junction of layering and support bar has a depressed part that matches with the bellying, in the bellying embedding depressed part for layering and support bar accordant connection.
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 scheme, the thicknesses of the first aluminum plate layer and the second aluminum plate layer are both 0.5 mm-5 mm.
3. In the scheme, the thickness of the core material layer is 3 mm-15 mm.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
1. the utility model discloses big breadth intelligence blackboard, its setting through the base plate structure and the selection of material both can guarantee good mechanical properties when attenuate basic thickness, can alleviate the weight of base plate again to alleviate the weight of the equipment that uses the backlight unit of the invention greatly, be convenient for transport and installation, can also regard the base plate of big breadth as powerful heating panel, be convenient for with the heat transfer of each heat abstractor before the base plate rapidly effluvium behind the base plate.
2. The utility model discloses big breadth intelligence blackboard, the setting of its layering provides the location for light guide plate, the membrane of homogenizing light, reflection paper, prevents that it from taking place the skew and influencing the effect of homogenizing light in vertical direction, and bellying or depressed part and support bar upper depression or bellying cooperation setting on the layering, then can effectively avoid the light of LED component to spill from the junction of holding strip and support bar, guaranteed luminous intensity of light source and stability, and then guarantee to use the display effect of the equipment of this invention backlight unit.
Drawings
FIG. 1 is a schematic structural view of a large-format intelligent blackboard of the present invention;
FIG. 2 is a schematic structural view of a backlight module in a large-format intelligent blackboard of the present invention;
FIG. 3 is a side view of the structure of the large-format intelligent blackboard;
FIG. 4 is a sectional view of a local structure of a large-format intelligent blackboard according to the present invention;
FIG. 5 is a side view of the large-format intelligent blackboard in partial structure;
FIG. 6 is a side view of the large-format intelligent blackboard in partial structure;
FIG. 7 is a side view of the large-format intelligent blackboard in partial structure;
figure 8 is the utility model discloses local structure plan view of big breadth intelligence blackboard.
In the above drawings: 1. a writing board; 2. an interactive plate; 3. an outer frame; 4. a movable plate; 5. a linear guide rail; 6. a movable block; 1a, a writing panel; 2a, a touch control film; 3a, a liquid crystal panel; 4a, a backlight module; 1b, a substrate; 1b1, a first aluminum plate layer; 1b2, a second aluminum sheet layer; 1b3, core material layer; 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; 10b, pressing strips; 13b, a boss; 14b, a recess.
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: a large-breadth intelligent blackboard 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 movable frame further comprises at least one movable plate 4, a linear guide rail 5 and at least one movable block 6 which is distributed at intervals are arranged between the upper end face of the movable plate 4 and the upper end face of the outer frame 3, and the linear guide rail 5 is embedded into the movable block 6 or the movable block 6 is embedded into the linear guide rail 5;
the interactive plate 2 comprises a writing panel 1a, a touch film 2a, a liquid crystal panel 3a and a backlight module 4a, wherein the touch film 2a is positioned between the writing panel 1a and the liquid crystal panel 3a, and the backlight module 4a is positioned on one side of the liquid crystal panel 3a opposite to the touch film 2 a;
the backlight module 4a further comprises a substrate 1b, an LED lamp strip 2b, a light guide plate 3b, a light homogenizing film 4b and a piece of reflective paper 5b, wherein the reflective paper 5b is positioned between the substrate 1b and the light guide plate 3b, the light homogenizing film 4b is positioned on the surface of one side of the light guide plate 3b opposite to the substrate 1b, the LED lamp strip 2b is respectively arranged on the upper side and the lower side of the light guide plate 3b, and is respectively arranged 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;
the base plate 1b comprises a first aluminum plate layer 1b1, a second aluminum plate layer 1b2 and a honeycomb core layer 1b3 between the first aluminum plate layer 1b1 and the second aluminum plate layer 1b 2;
the left and right sides of light guide plate 3b is provided with a layering 10b respectively, and the one end of this layering 10b is installed on base plate 1b, the other end of layering 10b and the equal light membrane 4b contact on the light guide plate 3b are connected, layering 10b sets up with the support bar 6b is perpendicular, and the both ends of layering 10b are connected with the both ends contact of support bar 6b respectively, layering 10b and support bar 6 b's junction perhaps support bar 6b is provided with a bellying 13b with the junction of layering 10b, support bar 6b and layering 10 b's junction perhaps layering 10b and support bar 6 b's junction has a depressed part 14b that matches with bellying 13b, bellying 13b imbeds in the depressed part 14b for layering 10b and support bar 6b accordant connection.
A diffusion film 7b and a brightness enhancement film 8b are stacked above the light uniformizing film 4 b; the thicknesses of the first aluminum plate layer 1b1 and the second aluminum plate layer 1b2 are both 0.5 mm.
Example 2: a large-breadth intelligent blackboard 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 movable frame further comprises at least one movable plate 4, a linear guide rail 5 and at least one movable block 6 which is distributed at intervals are arranged between the upper end face of the movable plate 4 and the upper end face of the outer frame 3, and the linear guide rail 5 is embedded into the movable block 6 or the movable block 6 is embedded into the linear guide rail 5;
the interactive plate 2 comprises a writing panel 1a, a touch film 2a, a liquid crystal panel 3a and a backlight module 4a, wherein the touch film 2a is positioned between the writing panel 1a and the liquid crystal panel 3a, and the backlight module 4a is positioned on one side of the liquid crystal panel 3a opposite to the touch film 2 a;
the backlight module 4a further comprises a substrate 1b, an LED lamp strip 2b, a light guide plate 3b, a light homogenizing film 4b and a piece of reflective paper 5b, wherein the reflective paper 5b is positioned between the substrate 1b and the light guide plate 3b, the light homogenizing film 4b is positioned on the surface of one side of the light guide plate 3b opposite to the substrate 1b, the LED lamp strip 2b is respectively arranged on the upper side and the lower side of the light guide plate 3b, and is respectively arranged 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;
the base plate 1b comprises a first aluminum plate layer 1b1, a second aluminum plate layer 1b2 and a honeycomb core layer 1b3 between the first aluminum plate layer 1b1 and the second aluminum plate layer 1b 2;
the left and right sides of light guide plate 3b is provided with a layering 10b respectively, and the one end of this layering 10b is installed on base plate 1b, the other end of layering 10b and the equal light membrane 4b contact on the light guide plate 3b are connected, layering 10b sets up with the support bar 6b is perpendicular, and the both ends of layering 10b are connected with the both ends contact of support bar 6b respectively, layering 10b and support bar 6 b's junction perhaps support bar 6b is provided with a bellying 13b with the junction of layering 10b, support bar 6b and layering 10 b's junction perhaps layering 10b and support bar 6 b's junction has a depressed part 14b that matches with bellying 13b, bellying 13b imbeds in the depressed part 14b for layering 10b and support bar 6b accordant connection.
The thicknesses of the first aluminum plate layer 1b1 and the second aluminum plate layer 1b2 are both 5 mm; the thickness of the core material layer 1b3 was 15 mm.
When the large-breadth intelligent blackboard is adopted, through the arrangement of the substrate structure and the selection of materials, the basic thickness can be reduced, the good mechanical property can be ensured, and the weight of the substrate can be reduced, so that the weight of equipment using the backlight module is greatly reduced, the transportation and the installation are convenient, the large-breadth substrate can be used as a powerful heat dissipation plate, and the heat of each heat dissipation device in front of the substrate can be rapidly dissipated after being transferred to the substrate;
in addition, the arrangement of the pressing strips provides positioning for the light guide plate, the light homogenizing film and the reflecting paper, the light homogenizing effect is prevented from being influenced by the deviation in the vertical direction, and the protruding parts or the recessed parts on the pressing strips and the recessed parts or the protruding parts on the supporting strips are arranged in a matched mode, so that light of the LED elements can be effectively prevented from being emitted from the connecting parts of the pressing strips and the supporting strips, the luminous intensity and stability of a light source are guaranteed, and the display effect of equipment using the backlight module is further guaranteed.
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 (4)
1. The utility model provides a big breadth intelligence blackboard 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 movable frame is characterized by further comprising at least one movable plate (4), a linear guide rail (5) and at least one movable block (6) distributed at intervals are arranged between the upper end face of the movable plate (4) and the upper end face of the outer frame (3), and the linear guide rail (5) is embedded into the movable block (6) or the movable block (6) is embedded into the linear guide rail (5);
the interactive plate (2) comprises a writing panel (1 a), a touch film (2 a), a liquid crystal panel (3 a) and a backlight module (4 a), wherein the touch film (2 a) is positioned between the writing panel (1 a) and the liquid crystal panel (3 a), and the backlight module (4 a) is positioned on one side, opposite to the touch film (2 a), of the liquid crystal panel (3 a);
the backlight module (4 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);
the substrate (1 b) comprises a first aluminium plate layer (1 b 1), a second aluminium plate layer (1 b 2) and a honeycomb core layer (1 b 3) between the first aluminium plate layer (1 b 1) and the second aluminium plate layer (1 b 2);
the left and right sides of light guide plate (3 b) is provided with a layering (10 b) respectively, and the one end of this layering (10 b) is installed on base plate (1 b), the other end of layering (10 b) is connected with the contact of light homogenizing membrane (4 b) on light guide plate (3 b), layering (10 b) and support bar (6 b) set up perpendicularly, and the both ends of layering (10 b) are connected with the both ends contact of support bar (6 b) respectively, the junction of layering (10 b) and support bar (6 b) perhaps the junction of support bar (6 b) and layering (10 b) is provided with a bellying (13 b), the junction of support bar (6 b) and layering (10 b) perhaps the junction of layering (10 b) and support bar (6 b) has a depressed part (14 b) that matches with bellying (13 b), bellying (13 b) imbeds in depressed part (14 b), so that the compression strip (10 b) is matched and connected with the supporting strip (6 b).
2. The large format intelligent blackboard of claim 1, wherein: and a diffusion film (7 b) and a brightness enhancement film (8 b) are stacked above the light uniformizing film (4 b).
3. The large format intelligent blackboard of claim 1, wherein: the thicknesses of the first aluminum plate layer (1 b 1) and the second aluminum plate layer (1 b 2) are both 0.5 mm-5 mm.
4. The large format intelligent blackboard of claim 1, wherein: the thickness of the core material layer (1 b 3) is 3 mm-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236711.XU CN212694603U (en) | 2020-03-02 | 2020-03-02 | Large-breadth intelligent blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020236711.XU CN212694603U (en) | 2020-03-02 | 2020-03-02 | Large-breadth intelligent blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212694603U true CN212694603U (en) | 2021-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020236711.XU Active CN212694603U (en) | 2020-03-02 | 2020-03-02 | Large-breadth intelligent blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212694603U (en) |
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- 2020-03-02 CN CN202020236711.XU patent/CN212694603U/en active Active
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