CN108648699B - Anti-dazzle eye-protection blackboard - Google Patents
Anti-dazzle eye-protection blackboard Download PDFInfo
- Publication number
- CN108648699B CN108648699B CN201810478241.5A CN201810478241A CN108648699B CN 108648699 B CN108648699 B CN 108648699B CN 201810478241 A CN201810478241 A CN 201810478241A CN 108648699 B CN108648699 B CN 108648699B
- Authority
- CN
- China
- Prior art keywords
- frame
- layer
- brightness
- writing
- touch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/34—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source
- G09G3/3406—Control of illumination source
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B97/00—Furniture or accessories for furniture, not provided for in other groups of this subclass
- A47B97/02—Devices for holding or supporting maps, drawings, or the like, including means for preventing rolling-up
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L1/00—Repeatedly-usable boards or tablets for writing or drawing
- B43L1/04—Blackboards
- B43L1/10—Writing surfaces thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Human Computer Interaction (AREA)
- Position Input By Displaying (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses an anti-dazzle eye-protection blackboard which comprises a touch panel and two writing boards, wherein the touch panel is arranged on a first frame, the writing boards are respectively arranged on a second frame, two ends of the first frame are respectively connected with the second frame through metal plates in an installing manner, and the touch panel and the writing boards are arranged on the same plane; the touch panel further comprises a transparent body layer, an intermediate film layer, a touch film and a liquid crystal display screen; the liquid crystal display screen is provided with an LED backlight lamp; further comprising: the light sensor is used for detecting the external ambient light brightness and converting the sensed ambient light brightness into an ambient brightness induced electric signal containing information of the light brightness. The anti-dazzle eye protection blackboard combines the intelligent panel with the touch interaction function and the writing board, so that the blackboard has multiple functions of playing display, touch interaction, writing on a blackboard and the like, and the backlight brightness of the liquid crystal screen can be automatically adjusted to protect eyes of a user.
Description
Technical Field
The invention relates to an eye protection blackboard, and belongs to the technical field of modern education equipment and touch control.
Background
In recent years, along with the continuous deepening of education innovation and the rapid development of information technology, intelligent classes are originally disclosed in China. The state advocates that the information technology is utilized to present course contents which are difficult to present in the past teaching, scientific equipment and various education technology platforms are used as far as possible, and the combination of the teaching and the information technology is strengthened. The students are encouraged to explore and discover by using computers, network resources and the like.
The blackboard is important teaching equipment in a classroom, introduces a multifunctional blackboard in the classroom teaching, and is a new writing teaching mode of the classroom teaching. At present, the traditional projector with more use needs to be replaced after the bulb reaches a certain service life, the brightness of the bulb can be weakened along with the increase of the use time, the definition of a picture can be gradually reduced. The liquid crystal whiteboard cannot realize frameless infrared touch due to the infrared frame, and the brightness of the liquid crystal can stimulate eyes during short-distance touch operation. Traditional blackboard can only be used for the chalk to write, can't carry out mutual touch-control, and the broadcast material need be with the help of projecting apparatus and curtain, and the course of giving lessons is loaded down with trivial details. Meanwhile, when the existing intelligent blackboard is displayed by a liquid crystal display, the brightness of the existing intelligent blackboard is constant, but the brightness of the environment changes in the morning, the afternoon, the evening and different seasons, and the viewing feeling and effect of students or audiences can be influenced due to the overlarge difference between the brightness of the display and the brightness of the environment. Therefore, how to overcome the above technical problems has been the direction of efforts of those skilled in the art.
Disclosure of Invention
The invention aims to provide an anti-dazzle eye-protecting blackboard which combines an intelligent panel with a touch interaction function and a writing board, so that the blackboard has multiple functions of playing display, touch interaction, writing on a blackboard and the like, and the backlight brightness of a liquid crystal screen can be automatically adjusted to protect eyes of a user.
In order to achieve the purpose, the invention adopts the technical scheme that: an anti-glare eye-protection blackboard comprises a touch panel and two writing boards, wherein the touch panel is arranged on a first frame, the writing boards are respectively arranged on a second frame, two ends of the first frame are respectively connected with the second frame through metal plates in an installing manner, and the touch panel and the writing boards are arranged on the same plane;
the touch panel further comprises a transparent body layer, an intermediate film layer, a touch film and a liquid crystal display screen, wherein one surface of the intermediate film layer is in contact connection with the transparent body layer, the other surface of the intermediate film layer is in contact connection with the touch film, the liquid crystal display screen is arranged on one side, opposite to the intermediate film layer, of the touch film, the intermediate film layer further comprises a transparent substrate and a glue layer, the glue layer is arranged on the surface, in contact with the transparent body layer, of the transparent substrate, and the peripheral edge area of the surface, opposite to the glue layer, of the transparent substrate is provided with coloring strips, so that a transparent area is formed;
the writing board further comprises a supporting plate and a writing film, the writing film is attached to one side surface of the supporting plate, the supporting plate is connected with the second frame in an installing mode, the writing film further comprises a base material, a matte coating layer and a glue layer, the glue layer is uniformly arranged on one side surface of the base material, the matte coating layer is arranged on the other side surface, opposite to the glue layer, of the base material, and one surface, provided with the glue layer, of the base material is in contact connection with the supporting plate;
the first frame further comprises an upper beam, a lower beam, a left upright post and a right upright post, wherein one end of each of the upper beam and the lower beam is connected through the left upright post, the other end of each of the upper beam and the lower beam is connected through the right upright post, the second frame further comprises 2 first frames which are horizontally arranged and 2 second frames which are vertically arranged with the first frames, and two ends of each of the 2 first frames are respectively connected through the 2 second frames;
the upper beam and the lower beam of the first frame and the first frame of the second frame are all concave tubes, one surface of each concave tube is provided with an outer convex strip, the other surface of each concave tube, opposite to the outer convex strip, is provided with a groove, the grooves are used for being embedded by connecting ribs, two ends of each connecting rib are respectively embedded into the grooves of the upper beam of the first frame and the first frame of the second frame, and the liquid crystal display screen is provided with an LED backlight source lamp; further comprising:
the alternating current input interface is used for receiving alternating current from the outside;
the alternating current-to-direct current circuit converts alternating current voltage from the alternating current input interface into direct current voltage;
the light sensor is used for detecting the external ambient light brightness and converting the sensed ambient light brightness into an ambient light induction electric signal containing light brightness information;
the signal processing module extracts the ambient light brightness in the ambient brightness sensing electric signal from the light sensing sensor and generates a corresponding backlight brightness adjusting signal according to the matching relation between the ambient light brightness and the backlight brightness;
and the backlight LED driving circuit is connected to the LED backlight source lamp and is used for adjusting the light source brightness of the LED backlight source lamp in the liquid crystal screen according to the backlight brightness adjusting signal from the signal processing module and the direct current voltage of the alternating current-to-direct current circuit.
The further improved scheme in the technical scheme is as follows:
1. in the above scheme, the signal processing module is integrated on the video card.
2. In the scheme, the alternating current input interface, the alternating current-to-direct current circuit, the light sensor and the backlight LED driving circuit are arranged on the power panel.
3. In the above scheme, the adhesive layer is any one or a combination of any two of an acrylic acid ester optical adhesive layer, an organic silicon optical adhesive layer and a polyurethane optical adhesive layer.
4. In the above scheme, the transparent body layer has the same size as the middle film layer, and the size of the touch film is smaller than that of the transparent body layer and the middle film layer.
5. In the scheme, a plurality of reinforcing ribs are further arranged between the upper beam and the lower beam.
6. In the above scheme, the coloring strip of the transparent substrate is a black strip, a green strip or a white strip.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the anti-glare eye-protection blackboard, light signals of the environment are converted into electric signals in real time by the side photosensitive light sensor of the blackboard and transmitted to the signal processing module, the backlight brightness of the liquid crystal screen is automatically adjusted by the backlight LED driving circuit regulated and controlled by the signal processing module to play a role in protecting eyes of a user, and when the environment brightness is strong, the brightness of the liquid crystal screen is automatically adjusted to be brightest; when the ambient brightness is weak, the brightness of the liquid crystal screen is automatically adjusted and reduced to low brightness which is more comfortable for human eyes to observe; in addition, because the most power-consuming component in the intelligent blackboard with adjustable brightness is the liquid crystal screen, the automatic adjustment of the brightness of the liquid crystal screen can also play a role in energy conservation to a certain extent; secondly, the intelligent panel with the touch interaction function is ingeniously combined with the writing board, so that the blackboard has multiple functions of playing display, touch interaction, writing on the blackboard and the like, the new requirements of modern teaching on the blackboard are met, and the connotation of the blackboard is enriched; secondly, the upper beam, the lower beam and the first frame of the first frame are all concave tubes, one surface of each concave tube is provided with an outer convex strip, the other surface of each concave tube, which is opposite to the outer convex strip, is provided with a groove for a connecting rib to be embedded in, the two ends of each connecting rib are respectively embedded into the grooves of the upper beam of the first frame and the first frame of the second frame, the arrangement of the outer convex strips plays a certain protection role on a writing layer or a support plate arranged on the first frame or the second frame, so that the stability of the whole structure is ensured, in addition, the combination arrangement of the grooves and the connecting ribs can play a further reinforcing role at the connection part of the frames, so that the connection among the panels is more stable and the panels are convenient to disassemble and assemble;
2. the first frame of the anti-dazzle eye-protection blackboard further comprises an upper beam, a lower beam, a left upright post and a right upright post, wherein one end of each of the upper beam and the lower beam is connected through the left upright post, the other end of each of the upper beam and the lower beam is connected through the right upright post, a plurality of reinforcing ribs are further arranged between the upper beam and the lower beam, and the first frame is further reinforced by the arrangement of the reinforcing ribs, so that the situations of frame deformation and the like caused by overweight of a liquid crystal display screen are prevented, and meanwhile, interfaces are provided for installation of other hardware.
3. The touch panel of the anti-dazzle eye-protection blackboard disclosed by the invention further comprises a transparent body layer, an intermediate film layer, a touch film and a liquid crystal display screen, wherein one surface of the intermediate film layer is in contact connection with the transparent body layer, the other surface of the intermediate film layer is in contact connection with the touch film, the liquid crystal display screen is arranged on one side, opposite to the intermediate film layer, of the touch film, and the scheme of adding screen printing ink to an original glass plate is replaced through the arrangement of the intermediate film layer, so that the problem of fading of the panel is avoided, the operation is simple and easy to implement; secondly, the middle film layer further comprises a transparent substrate and an adhesive layer, the adhesive layer is arranged on the surface of the transparent substrate in contact with the transparent body layer, the peripheral edge area of the surface of the transparent substrate opposite to the adhesive layer is provided with coloring strips, so that a transparent area is formed in the central area of the transparent substrate, the colors of the panel can be adjusted to be the same as or similar to the colors of the side plates beside or the colors of the environment, the applicability of the panel is enhanced, in addition, the coloring strips can shield rear firmware and the like, and the overall attractiveness of the touch device is ensured.
4. The writing board of the anti-dazzle eye-protection blackboard disclosed by the invention further comprises a supporting board and a writing film, wherein the writing film is attached to the surface of one side of the supporting board, the supporting board is connected with a second frame in an installing mode, the writing film further comprises a base material, a matte coating layer and a glue layer, the glue layer is uniformly arranged on the surface of one side of the base material, the matte coating layer is arranged on the surface of the other side, opposite to the glue layer, of the base material, one side, provided with the glue layer, of the base material is in contact connection with the supporting board, the writing board adopts the matte coating layer to form a rough surface, the anti-dazzle eye-protection blackboard can be used for smoothly; in addition, the backup pad is direct fixed with the installation of second frame, need not attached rupture membrane etc. again, saves technology, and the backup pad has better structural stability and security than glass simultaneously, the dismouting and the transportation of being convenient for.
Drawings
FIG. 1 is a schematic structural view of an anti-glare eye-protection blackboard according to the present invention;
FIG. 2 is a schematic view of a back side local structure of the anti-glare eye-protection blackboard of the present invention;
FIG. 3 is a schematic view of a local structure of the anti-glare eye-protecting blackboard according to the present invention;
FIG. 4 is a schematic view of a touch panel structure in the anti-glare eye-protection blackboard according to the present invention;
FIG. 5 is a sectional view of a touch panel in the anti-glare eye-protecting blackboard according to the present invention;
FIG. 6 is a schematic diagram of a writing board structure in the anti-glare eye-protecting blackboard according to the present invention;
fig. 7 is an electrical schematic block diagram of the anti-glare eye-protection blackboard of the invention.
In the above drawings: 1. a touch panel; 2. a writing board; 3. a first frame; 4. a second frame; 5. an outer convex strip; 6. a groove; 7. a connecting plate; 11. a transparent body layer; 12. an intermediate film layer; 13. a touch film; 14. a liquid crystal display screen; 21. a substrate; 22. a matte coating layer; 23. a glue layer; 24. a support plate; 25. a writing film; 31. an upper beam; 32. a lower beam; 33. a left upright post; 34. a right upright post; 35. reinforcing ribs; 41. a first frame; 42. a second frame; 56. an LED backlight lamp; 57. an alternating current input interface; 58. an AC to DC converter circuit; 59. a light-sensitive sensor; 60. a signal processing module; 61. a backlight LED drive circuit; 62. a video card; 63. a power panel.
Detailed Description
Example 1: an anti-glare eye-protection blackboard comprises a touch panel 1 and two writing boards 2, wherein the touch panel 1 is installed on a first frame 3, the writing boards 2 are respectively installed on a second frame 4, two ends of the first frame 3 are respectively connected with the second frame 4 through metal plates 7, and the touch panel 1 and the writing boards 2 are arranged on the same plane;
the touch panel 1 further comprises a transparent body layer 11, an intermediate film layer 12, a touch film 13 and a liquid crystal display 14, wherein one surface of the intermediate film layer 12 is in contact connection with the transparent body layer 11, the other surface of the intermediate film layer 12 is in contact connection with the touch film 13, the liquid crystal display 14 is arranged on one side, opposite to the intermediate film layer 12, of the touch film 13, the intermediate film layer 12 further comprises a transparent substrate and an adhesive layer, the adhesive layer is arranged on the surface, in contact with the transparent body layer 11, of the transparent substrate, and a coloring strip is arranged in the peripheral area of the surface, opposite to the adhesive layer, of the transparent substrate, so that a transparent area is formed in the central area;
the writing board 2 further comprises a supporting board 24 and a writing film 25, the writing film 25 is attached to the surface of one side of the supporting board 24, the supporting board 24 is connected with the second frame 4 in an installing mode, the writing film 25 further comprises a substrate 21, a matte coating layer 22 and an adhesive layer 23, the adhesive layer 23 is uniformly arranged on the surface of one side of the substrate 21, the matte coating layer 22 is arranged on the surface of the other side, opposite to the adhesive layer 23, of the substrate 21, and the surface, provided with the adhesive layer 23, of the substrate 21 is in contact connection with the supporting board 24;
the first frame 3 further comprises an upper beam 31, a lower beam 32, a left upright column 33 and a right upright column 34, one end of each of the upper beam 31 and the lower beam 32 is connected through the left upright column 33, the other end of each of the upper beam 31 and the lower beam 32 is connected through the right upright column 34, the second frame 4 further comprises 2 first frames 41 arranged horizontally and 2 second frames 42 arranged vertically to the first frames 41, and two ends of each of the 2 first frames 41 are connected through the 2 second frames 42;
the upper beam 31 and the lower beam 32 of the first frame 3 and the first frame 41 of the second frame 4 are all concave tubes, one surface of each concave tube is provided with an outer convex strip 5, the other surface of each concave tube opposite to the outer convex strip 5 is provided with a groove 6, the grooves 6 are used for being embedded by connecting ribs, two ends of each connecting rib are respectively embedded into the grooves 6 of the upper beam 31 of the first frame 3 and the grooves 6 of the first frame 41 of the second frame 4, and the liquid crystal display 14 is provided with an LED backlight lamp 56; further comprising:
an ac input interface 57 for receiving ac power from the outside;
an ac-to-dc circuit 58 that converts ac voltage from the ac input interface 57 into dc voltage;
the light sensor 59 is used for detecting the ambient light brightness outside and converting the ambient light brightness into an ambient light induction electric signal containing light brightness information according to the sensed ambient light brightness;
a signal processing module 60, which extracts the ambient light brightness in the ambient brightness sensing electrical signal from the light sensor 59, and generates a corresponding backlight brightness adjusting signal according to the matching relationship between the ambient light brightness and the backlight brightness;
and the backlight LED driving circuit 61 is connected to the LED backlight lamp 56 and used for adjusting the light source brightness of the LED backlight lamp 56 in the liquid crystal screen according to the backlight brightness adjusting signal from the signal processing module and the direct-current voltage of the alternating-current to direct-current circuit.
The ac input interface 57, the ac-dc converter circuit 58, the light sensor 59, and the backlight LED driving circuit 61 are mounted on the power board 63.
The adhesive layer is an acrylic acid ester optical adhesive layer,
a plurality of reinforcing ribs 35 are further arranged between the upper beam 31 and the lower beam 32.
The coloring strip of the transparent substrate is a black strip.
Example 2: an anti-glare eye-protection blackboard comprises a touch panel 1 and two writing boards 2, wherein the touch panel 1 is installed on a first frame 3, the writing boards 2 are respectively installed on a second frame 4, two ends of the first frame 3 are respectively connected with the second frame 4 through metal plates 7, and the touch panel 1 and the writing boards 2 are arranged on the same plane;
the touch panel 1 further comprises a transparent body layer 11, an intermediate film layer 12, a touch film 13 and a liquid crystal display 14, wherein one surface of the intermediate film layer 12 is in contact connection with the transparent body layer 11, the other surface of the intermediate film layer 12 is in contact connection with the touch film 13, the liquid crystal display 14 is arranged on one side, opposite to the intermediate film layer 12, of the touch film 13, the intermediate film layer 12 further comprises a transparent substrate and an adhesive layer, the adhesive layer is arranged on the surface, in contact with the transparent body layer 11, of the transparent substrate, and a coloring strip is arranged in the peripheral area of the surface, opposite to the adhesive layer, of the transparent substrate, so that a transparent area is formed in the central area;
the writing board 2 further comprises a supporting board 24 and a writing film 25, the writing film 25 is attached to the surface of one side of the supporting board 24, the supporting board 24 is connected with the second frame 4 in an installing mode, the writing film 25 further comprises a substrate 21, a matte coating layer 22 and an adhesive layer 23, the adhesive layer 23 is uniformly arranged on the surface of one side of the substrate 21, the matte coating layer 22 is arranged on the surface of the other side, opposite to the adhesive layer 23, of the substrate 21, and the surface, provided with the adhesive layer 23, of the substrate 21 is in contact connection with the supporting board 24;
the first frame 3 further comprises an upper beam 31, a lower beam 32, a left upright column 33 and a right upright column 34, one end of each of the upper beam 31 and the lower beam 32 is connected through the left upright column 33, the other end of each of the upper beam 31 and the lower beam 32 is connected through the right upright column 34, the second frame 4 further comprises 2 first frames 41 arranged horizontally and 2 second frames 42 arranged vertically to the first frames 41, and two ends of each of the 2 first frames 41 are connected through the 2 second frames 42;
the upper beam 31 and the lower beam 32 of the first frame 3 and the first frame 41 of the second frame 4 are all concave tubes, one surface of each concave tube is provided with an outer convex strip 5, the other surface of each concave tube opposite to the outer convex strip 5 is provided with a groove 6, the grooves 6 are used for being embedded by connecting ribs, two ends of each connecting rib are respectively embedded into the grooves 6 of the upper beam 31 of the first frame 3 and the grooves 6 of the first frame 41 of the second frame 4, and the liquid crystal display 14 is provided with an LED backlight lamp 56; further comprising:
an ac input interface 57 for receiving ac power from the outside;
an ac-to-dc circuit 58 that converts ac voltage from the ac input interface to dc voltage;
the light sensor 59 is used for detecting the ambient light brightness outside and converting the ambient light brightness into an ambient light induction electric signal containing light brightness information according to the sensed ambient light brightness;
the signal processing module 60 extracts the ambient light brightness in the ambient brightness sensing electrical signal from the light sensor, and generates a corresponding backlight brightness adjusting signal according to the matching relationship between the ambient light brightness and the backlight brightness;
and the backlight LED driving circuit 61 is connected to the LED backlight lamp 56 and used for adjusting the light source brightness of the LED backlight lamp 56 in the liquid crystal screen according to the backlight brightness adjusting signal from the signal processing module and the direct-current voltage of the alternating-current to direct-current circuit.
The signal processing module 60 described above is integrated onto a video card 62.
The adhesive layer is a polyurethane optical adhesive layer;
the transparent layer 11 and the middle film layer 12 are the same in size, and the touch film 13 is smaller in size than the transparent layer 11 and the middle film layer 12.
A plurality of reinforcing ribs 35 are further provided between the upper beam 31 and the lower beam 32, and the coloring stripes of the transparent base material are green stripes.
When the anti-dazzle eye protection blackboard is adopted, the backlight brightness of the liquid crystal screen is automatically adjusted to play a role in protecting eyes of a user, and when the ambient brightness is strong, the brightness of the liquid crystal screen is automatically adjusted to be brightest; when the ambient brightness is weak, the brightness of the liquid crystal screen is automatically adjusted and reduced to low brightness which is more comfortable for human eyes to observe; in addition, because the most power-consuming component in the intelligent blackboard with adjustable brightness is the liquid crystal screen, the automatic adjustment of the brightness of the liquid crystal screen can also play a role in energy conservation to a certain extent; secondly, the intelligent panel with the touch interaction function is combined with the writing board, so that the blackboard has multiple functions of playing display, touch interaction, writing on the blackboard and the like, new requirements of modern teaching on the blackboard are met, and the connotation of the blackboard is enriched; secondly, the arrangement of the outer convex strips of the frame plays a certain role in protecting a writing layer or a support plate arranged on the first frame or the second frame, so that the stability of the whole structure is ensured; thirdly, the first frame is further reinforced by the arrangement of the reinforcing ribs, so that the situations of frame deformation and the like caused by overweight of the liquid crystal display screen are prevented, and meanwhile, interfaces are provided for the installation of other hardware; thirdly, the arrangement of the middle film layer replaces the original scheme of adding screen printing ink to the glass plate, the problem of panel color fading is avoided, the operation is simple and easy to implement, and the product yield is improved; thirdly, the color of the panel can be adjusted to be the same as or similar to the color of the side plate or the environment beside the panel through the arrangement of the coloring strip, so that the applicability of the panel is enhanced, in addition, the arrangement of the coloring strip can play a role in shielding rear firmware and the like, and the integral attractiveness of the touch device is ensured; thirdly, the rough surface of the writing board is formed by adopting a matte coating layer, so that the writing board can write smoothly and is easy to erase, and meanwhile, the process of etching the glass surface by using strong acid is replaced, so that the writing board is more environment-friendly; in addition, the backup pad is direct fixed with the installation of second frame, need not attached rupture membrane etc. again, saves technology, and the backup pad has better structural stability and security than glass simultaneously, the dismouting and the transportation of being convenient for.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to 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 within the protection scope of the present invention.
Claims (7)
1. An anti-dazzle eyeshield blackboard which is characterized in that: the touch control panel comprises a touch control panel (1) and two writing boards (2), wherein the touch control panel (1) is arranged on a first frame (3), the writing boards (2) are respectively arranged on a second frame (4), two ends of the first frame (3) are respectively connected with the second frame (4) through metal plates (7), and the touch control panel (1) and the writing boards (2) are arranged on the same plane;
the touch panel (1) further comprises a transparent body layer (11), an intermediate film layer (12), a touch film (13) and a liquid crystal display (14), one surface of the intermediate film layer (12) is in contact connection with the transparent body layer (11), the other surface of the intermediate film layer (12) is in contact connection with the touch film (13), the liquid crystal display (14) is arranged on one side, opposite to the intermediate film layer (12), of the touch film (13), the intermediate film layer (12) further comprises a transparent substrate and a glue layer, the glue layer is arranged on the surface, opposite to the transparent body layer (11), of the transparent substrate, and a coloring strip is arranged in the peripheral edge area of the surface, opposite to the glue layer, of the transparent substrate, so that a transparent area is formed in the central area of the transparent substrate;
the writing board (2) further comprises a supporting plate (24) and a writing film (25), the writing film (25) is attached to one side surface of the supporting plate (24), the supporting plate (24) is connected with the second frame (4) in an installing mode, the writing film (25) further comprises a base material (21), a matte coating layer (22) and an adhesive layer (23), the adhesive layer (23) is uniformly arranged on one side surface of the base material (21), the matte coating layer (22) is arranged on the other side surface, opposite to the adhesive layer (23), of the base material (21), and one side, provided with the adhesive layer (23), of the base material (21) is in contact connection with the supporting plate (24);
the first frame (3) further comprises an upper beam (31), a lower beam (32), a left upright post (33) and a right upright post (34), one end of each of the upper beam (31) and the lower beam (32) is connected through the left upright post (33), the other end of each of the upper beam (31) and the lower beam (32) is connected through the right upright post (34), the second frame (4) further comprises 2 first frames (41) which are horizontally arranged and 2 second frames (42) which are vertically arranged with the first frames (41), and two ends of each of the 2 first frames (41) are respectively connected through the 2 second frames (42);
the upper beam (31), the lower beam (32) and the first frame (41) of the second frame (4) of the first frame (3) are all concave tubes, one surface of each concave tube is provided with an outer convex strip (5), the other surface, opposite to the outer convex strip (5), of each concave tube is provided with a groove (6), each groove (6) is used for being embedded with a connecting rib, two ends of each connecting rib are respectively embedded into the groove (6) of the upper beam (31) of the first frame (3) and the groove (6) of the first frame (41) of the second frame (4), and the liquid crystal display screen (14) is provided with an LED backlight lamp (56); further comprising:
an alternating current input interface (57) for receiving alternating current from the outside;
an AC-to-DC circuit (58) for converting an AC voltage from the AC input interface (57) to a DC voltage;
the light sensor (59) is used for detecting the external environment light brightness and converting the sensed environment light brightness into an environment brightness induced electric signal containing light brightness information;
the signal processing module (60) extracts the ambient light brightness in the ambient brightness sensing electric signal from the light sensing sensor (59), and generates a corresponding backlight brightness adjusting signal according to the matching relation between the ambient light brightness and the backlight brightness;
and the backlight LED drive circuit (61) is connected to the LED backlight lamp (56) and is used for adjusting the light source brightness of the LED backlight lamp (56) in the liquid crystal screen according to the backlight brightness adjusting signal from the signal processing module and the direct current voltage of the alternating current-to-direct current circuit.
2. The anti-glare eye-protection blackboard according to claim 1, wherein: the signal processing module (60) is integrated onto a video card (62).
3. The anti-glare eye-protection blackboard according to claim 1, wherein: the alternating current input interface (57), the alternating current-to-direct current circuit (58), the light sensor (59) and the backlight LED driving circuit (61) are installed on the power panel (63).
4. The anti-glare eye-protection blackboard according to claim 1, wherein: the adhesive layer is any one or combination of any two of an acrylic acid ester optical adhesive layer, an organic silicon optical adhesive layer and a polyurethane optical adhesive layer.
5. The anti-glare eye-protection blackboard according to claim 1, wherein: the transparent body layer (11) and the middle film layer (12) are the same in size, and the size of the touch control film (13) is smaller than that of the transparent body layer (11) and the middle film layer (12).
6. The anti-glare eye-protection blackboard according to claim 1, wherein: and a plurality of reinforcing ribs (35) are arranged between the upper beam (31) and the lower beam (32).
7. The anti-glare eye-protection blackboard according to claim 1, wherein: the coloring strip of the transparent substrate is a black strip, a green strip or a white strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478241.5A CN108648699B (en) | 2018-05-18 | 2018-05-18 | Anti-dazzle eye-protection blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810478241.5A CN108648699B (en) | 2018-05-18 | 2018-05-18 | Anti-dazzle eye-protection blackboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108648699A CN108648699A (en) | 2018-10-12 |
| CN108648699B true CN108648699B (en) | 2020-06-16 |
Family
ID=63756674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810478241.5A Active CN108648699B (en) | 2018-05-18 | 2018-05-18 | Anti-dazzle eye-protection blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108648699B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263367A (en) * | 2018-10-23 | 2019-01-25 | 大连前海大象物联科技有限公司 | A kind of parallel-moving type intelligent blackboard |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000043486A (en) * | 1998-07-31 | 2000-02-15 | Ricoh Co Ltd | Electronic whiteboard system |
| KR200411286Y1 (en) * | 2005-10-17 | 2006-03-13 | 이상홍 | A multipurpose water green cyber blackboard |
| CN202742786U (en) * | 2012-06-28 | 2013-02-20 | 南京兰埔成实业有限公司 | Composite film |
| CN108454275A (en) * | 2014-07-29 | 2018-08-28 | 上海易教信息科技有限公司 | Anti-dazzle black combining glass and its production method and intelligent blackboard |
| CN104240680B (en) * | 2014-09-16 | 2016-09-07 | 青岛海信电器股份有限公司 | A kind of method of touch screen brightness adjustment and touch control display apparatus |
| CN106427313A (en) * | 2015-08-19 | 2017-02-22 | 苏州泛普纳米科技有限公司 | Combined intelligent blackboard |
| CN205281440U (en) * | 2015-11-20 | 2016-06-01 | 欧浦登（顺昌）光学有限公司 | Interactive glass whiteboard |
| CN206322336U (en) * | 2016-12-06 | 2017-07-11 | 孙玉东 | Smart electronic blackboard |
-
2018
- 2018-05-18 CN CN201810478241.5A patent/CN108648699B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108648699A (en) | 2018-10-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102749730B (en) | Liquid crystal display device | |
| CN108454275A (en) | Anti-dazzle black combining glass and its production method and intelligent blackboard | |
| CN103000056A (en) | Multimedia intelligent interactive all-in-one machine for teaching | |
| CN109130616A (en) | A kind of full-scale intelligent display screen blackboard | |
| CN108648699B (en) | Anti-dazzle eye-protection blackboard | |
| CN209373818U (en) | Brightness self-adaptation type touch-control blackboard | |
| CN207359935U (en) | A kind of nanometer intelligence control interaction blackboard | |
| CN208368126U (en) | Intelligent blackboard is adjusted in brightness | |
| CN210072574U (en) | Large-size electronic blackboard | |
| CN204791584U (en) | Touch electronic blackboard TV | |
| CN208432826U (en) | Anti-dazzle large scale intelligent blackboard | |
| CN209118527U (en) | A kind of teaching touch one-piece machine of capacitance touching control | |
| CN208188574U (en) | A kind of frame touch-control curtain | |
| CN105291652A (en) | Multimedia television blackboard | |
| CN211787580U (en) | Interactive learning machine based on projection display | |
| CN108735167B (en) | Interactive touch blackboard | |
| CN212046591U (en) | Wisdom blackboard | |
| CN108766375A (en) | Tunable optical touch-control blackboard | |
| CN208558757U (en) | Interactive combination blackboard | |
| CN208255578U (en) | Touch screen structure | |
| CN111429766A (en) | Interactive learning machine based on projection display | |
| CN208730644U (en) | Energy-conserving intelligent touch-control blackboard | |
| CN208737130U (en) | Energy-saving multimedia touch-control blackboard | |
| CN212989815U (en) | Large-size interactive blackboard | |
| CN213690987U (en) | Intelligent blackboard capable of automatically adjusting brightness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |