CN214312108U - Bilateral infrared touch intelligent blackboard - Google Patents

Abstract

The utility model discloses a bilateral infrared touch-control wisdom blackboard relates to education equipment technical field. The utility model discloses a bilateral infrared touch intelligent blackboard comprises a display screen positioned in the middle and a left writing board and a right writing board, wherein the lower frame and the upper frame of the display screen are outwards protruded, an infrared light bar is respectively arranged in the upper frame and the lower frame of the display screen, a light filtering strip is arranged outside the infrared light bar, and the joints of the upper frame and the lower frame of the display screen and the upper frame and the lower frame of the writing board are respectively provided with an angle code; two ends of the corner connector are big and small, the big end of the corner connector is connected with the frame of the display screen, the small end of the corner connector is connected with the frame of the writing board, and the corner connector is provided with a smooth upper surface. The utility model overcomes display screen and the easy problem of deposition of clipboard junction among the prior art have reduced the invasion of dust, increase life.

Description

Bilateral infrared touch intelligent blackboard

Technical Field

The utility model relates to an education equipment technical field especially relates to a touch blackboard.

Background

With the increasing popularization and importance of electronic intelligent products, the education industry is also undergoing deep technical changes. Under the influence of the intelligentized trend of teaching tools, the intelligent blackboard is popularized in most teaching environments, and the corners of the head are gradually exposed. In the design and production use process of the intelligent blackboard, a large-size touch display device is generally used as a main screen, and two writing boards are used as auxiliary screens and arranged on two sides of the main screen. Large-sized touch display devices generally include capacitive touch screens and infrared touch screens.

Wherein, when assembling solitary screen, install the back with the frame, often fix glass on the section bar surface of frame through sticky mode, this makes in glass's the installation, the inaccurate problem of glass bonding location appears easily, and is inconvenient in the installation, and can lead to main screen and about can't realize seamless concatenation when vice screen splices, influence the use of wisdom blackboard. Therefore, for the assembly of the capacitive touch screen, a plurality of grooves used for fixing the glass plate, the display plate and the diaphragm can be formed in the frame, so that the display plate and the frame are better in fitting degree, and the processing efficiency is improved.

However, it is worth pointing out that, different from the capacitive touch screen, infrared touch screen is in the use, and its infrared module that is used for realizing touch operation takes place to damage easily, needs to carry out regular maintenance and change to the lamp strip of infrared module. Therefore, the mode of fixing the glass frame by gluing causes that the gluing structure needs to be damaged when the lamp strip is maintained and disassembled, and then the lamp strip is maintained and replaced, which brings great inconvenience to maintenance personnel; if adopt the mode of integral type frame section bar, need demolish multilayer subassembly in proper order during the maintenance, efficiency is very low, also leads to monoblock glass board curtain to scrap easily when the operation difficulty. In addition, in the prior art, dust deposition is easy to occur at the joint of the main screen and the left and right auxiliary screens.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bilateral infrared touch-control wisdom blackboard has overcome the problem of the easy deposition of display screen and clipboard junction among the prior art.

The utility model discloses a bilateral infrared touch intelligent blackboard, including the display screen that is located the middle and each clipboard of left and right sides, the lower frame and the upper frame of display screen are protruding outward, respectively be provided with an infrared lamp strip in the upper and lower frame of display screen, the infrared lamp strip is provided with the light filtering strip outward, the upper and lower frame of display screen and the junction of the upper and lower frame of clipboard all are provided with the angle sign indicating number; two ends of the corner connector are big and small, the big end of the corner connector is connected with the frame of the display screen, the small end of the corner connector is connected with the frame of the writing board, and the corner connector is provided with a smooth upper surface.

Preferably, the upper surface of the corner brace is an inclined surface or a circular arc surface, so that dust on the upper surface of the corner brace can easily slide to the ground.

Preferably, the filter strip is installed in the lateral groove of the lower frame and forms an integrated inclined plane with the upper surface of the lower frame. The light filtering strip can prevent water vapor and dust from invading the infrared light bar, and the inclined plane design can enable the dust on the surface to easily slide to the ground, so that the service life of the product is prolonged.

Preferably, a circular arc edge is arranged between the upper surface and the front surface of the corner brace.

Preferably, the display screen comprises a backlight module, and a liquid crystal module and display glass which are sequentially arranged in the light emergent direction of the backlight module, wherein the display glass is supported by the ejection member, and a pressing strip is arranged between the ejection member and the liquid crystal panel of the liquid crystal module. The pressing strips play a role in blocking corners of the liquid crystal panel, so that the risk of breaking the liquid crystal panel is reduced.

Preferably, the pressing strip is a rubber strip.

Preferably, the upper frame and the lower frame of the display screen protrude out of the display glass by 9.2mm, so that the infrared lamp strip is convenient to set.

Preferably, the frame of clipboard adopts thermoplastic material to make, can not only effectively avoid glass to break fish tail student, and the security is strengthened, has reduced overall weight simultaneously, has reduced the risk of droing.

Compared with the prior art, the utility model has the advantages of it is following:

(1) when the writing board is connected with the display screen, the overall streamline corner brace is adopted, one end of the end part of the corner brace is large, and the other end of the end part of the corner brace is small, so that the protruding position of the infrared lamp strip structure of the display screen is transited to the writing board, the invasion of dust is reduced, the service life is prolonged, and the problem of dust accumulation can be effectively avoided;

(2) the filtering strip and the lower frame of the display screen form an integrated inclined plane, so that the filtering strip can be prevented from being drawn out in the state of the whole machine, and the service life of the whole machine is prolonged;

(3) the frame of clipboard adopts novel combined material preparation such as thermoplastic material, can prevent that glass from breaking and fish tail student, has reduced overall weight simultaneously, has reduced the risk of droing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the internal structure of the lower frame of the display screen;

FIG. 3 is a schematic view of the internal structure of the display screen;

FIG. 4 is a schematic view of the installation of corner connectors;

fig. 5 is a schematic structural diagram of the corner connector.

Reference numerals: 01. a display screen; 02. a writing board; 03. a lower frame; 04. an upper frame; 010. a display glass; 011. a light filtering strip; 012. lower edge covering; 013. an infrared light bar; 014. an ejection member; 015. layering; 016. a liquid crystal panel; 017. a reflective paper; 018. frame section bar; 019. a light bar; 020. a back plate; 030. corner connectors; 031. a large end; 032. a small end; 033. a slope surface; 034. and (5) arc edges.

Detailed Description

The invention is further described with reference to the following examples and the accompanying drawings.

As shown in fig. 1, the utility model discloses a bilateral infrared touch-control wisdom blackboard includes display screen 01 and two clipboards 02, and display screen 01 and control each clipboard 02 seamless concatenation about, the lower frame 03 and the last frame 04 of display screen 01 are outside protruding, and the whole surface is from a left side to right integrative pure flat. Referring to fig. 2, an infrared light bar 013 is respectively arranged in the lower frame 03 and the upper frame 04, infrared light is emitted from the infrared light bar in the upper frame 04, the infrared light bar in the lower frame 03 receives the infrared light, the infrared light formed by the two infrared light bars covers the surface of the middle display area to form an infrared light network, and therefore the touch effect covering the whole display area is formed.

As shown in fig. 2 and 3, the infrared light bar 013 in the lower frame 03 is further provided with a filter strip 011 for shielding, the filter strip 011 is plugged into a lateral groove of the lower frame 03, an inclined plane is formed between the filter strip 011 and the surface of the lower rim 012 of the lower frame 03, so that moisture and dust can be blocked from invading the infrared light bar 013, meanwhile, the inclined plane design can enable dust on the surface to easily slide to the ground, the service life of the product is prolonged, and in addition, the integrated inclined plane can also prevent a student from breaking the filter strip 011 with hands in the classroom (i.e. the filter strip cannot be taken out from the front). The utility model discloses an in other embodiments, the infrared lamp strip in the upper frame 04 also is provided with the filter strip and shelters from.

Referring to fig. 3, the display panel 01 includes a backlight module, and a liquid crystal module and a display glass 010 sequentially disposed in a light emitting direction of the backlight module, the display glass 010 is supported by an emitting member 014, and a pressing strip 015 is attached to the emitting member 014, so that the liquid crystal panel 016 is isolated from the emitting member 014, if the liquid crystal panel 016 directly contacts with the emitting member 014, a corner of the liquid crystal panel 016 is easily broken, and the pressing strip 015 is a rubber strip, which plays a role in blocking a corner of the liquid crystal panel 016, thereby reducing a risk of breaking the liquid crystal panel; the liquid crystal module is formed by laminating a liquid crystal panel 016, a frame section 018, a back plate 020, a light bar 019, reflective paper 017, a diffusion plate, a brightness enhancement film and DOP. After the ejector 014 is matched with the border profile 018, a certain space is separated between the backlight module and the liquid crystal panel 016, so that heat dissipation is facilitated during use, a heat expansion space is reserved for the DOP and the brightness enhancement film, and the service life of the optical film is prolonged.

The section bar salient of upper and lower frame is preferably 9.2mm in display glass 010, is convenient for set up infrared lamp strip 013. Because the surface of the lower frame 03 and the surface of the upper frame 04 protrude out of the surface of the display screen 01, a gap is reserved at the joint of the display screen 01 and the writing board 02, and in order to reduce the invasion of dust, an angle code is arranged at the joint of the display screen 01 and the writing board 02, so that the effects of sealing and transition are achieved. As shown in fig. 4 and 5, one end of each of the two ends of the corner fastener 030 is large, and the other end is small, the large end 031 of the corner fastener is connected with the frame of the display screen 01, the shape of the large end 031 is matched with the lower edge 012, the small end 032 of the corner fastener is connected with the frame of the writing board 02, and the shape of the small end 032 is matched with the lower frame of the writing board 02. The upper surface of the corner brace 030 is a slope surface 033, and the slope surface 033 can be a smooth slope or an arc surface, so that dust on the upper surface of the corner brace can easily slide to the ground. The arc edge 034 is arranged between the upper surface and the front surface of the corner brace 030, so that the large end 031 of the corner brace 030 is smoothly folded towards the small end 032, the appearance is more streamlined, and the problem of dust accumulation can be effectively avoided.

The utility model discloses a novel combined material preparation such as thermoplastic material is used to clipboard 02's frame, can not only effectively avoid glass to break the fish tail student, and the security obtains strengthening, has reduced overall weight simultaneously, has reduced the risk of droing.

The above-described embodiments are only preferred embodiments of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several modifications and equivalent substitutions can be made, and these modifications and equivalent substitutions do not depart from the technical scope of the present invention.

Claims (8)

1. The utility model provides a bilateral infrared touch-control wisdom blackboard, includes the display screen that is located the centre and controls each clipboard, its characterized in that: the lower frame and the upper frame of the display screen are protruded outwards, the upper frame and the lower frame of the display screen are respectively provided with an infrared light bar, a light filtering strip is arranged outside the infrared light bar, and corner codes are arranged at the joints of the upper frame and the lower frame of the display screen and the upper frame and the lower frame of the writing board; two ends of the corner connector are big and small, the big end of the corner connector is connected with the frame of the display screen, the small end of the corner connector is connected with the frame of the writing board, and the corner connector is provided with a smooth upper surface.

2. The bilateral infrared touch intelligent blackboard of claim 1, wherein: the upper surface of the corner brace is an inclined plane or an arc surface.

3. The bilateral infrared touch intelligent blackboard of claim 2, wherein: the light filtering strips are arranged in the lateral grooves of the lower frame and form an integrated inclined plane with the upper surface of the lower frame.

4. The bilateral infrared touch intelligent blackboard of claim 2, wherein: and an arc edge is arranged between the upper surface and the front surface of the corner connector.

5. The bilateral infrared touch intelligent blackboard according to any one of claims 1 to 4, wherein: the display screen comprises a backlight module, a liquid crystal module and display glass, wherein the liquid crystal module and the display glass are sequentially arranged in the light emergent direction of the backlight module, the display glass is supported by an ejection piece, and a pressing strip is arranged between the ejection piece and a liquid crystal panel of the liquid crystal module.

6. The bilateral infrared touch intelligent blackboard of claim 5, wherein: the pressing strip is a rubber strip.

7. The bilateral infrared touch intelligent blackboard of claim 5, wherein: the upper frame and the lower frame of the display screen protrude out of the display glass by 9.2 mm.

8. The bilateral infrared touch intelligent blackboard of claim 1, wherein: the frame of the writing board is made of thermoplastic materials.

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