CN211479311U

CN211479311U - Electronic flat board and intelligent blackboard

Info

Publication number: CN211479311U
Application number: CN201922273151.5U
Authority: CN
Inventors: 姚英
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-09-11
Anticipated expiration: 2029-12-16

Abstract

The utility model relates to a display device technical field especially relates to an electronic flat board and wisdom blackboard, wherein, the electronic flat board includes display module assembly and the frame subassembly of setting in display module assembly week portion, the frame subassembly includes that two are located the first frame at display module assembly upper and lower both ends respectively and two are located the second frame at both ends about the display module assembly respectively, be provided with infrared unit in the first frame, be provided with the interface on the PCB board of infrared unit, correspond the interface on the first frame and seted up and dodge the mouth, connect through the FPC line between two infrared units, it is provided with the first chamber that holds to run through along its length direction in the second frame, the FPC line sets up at the first intracavity that holds, the both ends of FPC line are provided with the bayonet joint of pegging graft with the interface, the dorsal part of display module assembly still sets up and is used for the shutoff to dodge mouthful and FPC exposes in the sheltering from the lid. The utility model discloses an FPC line and wiring position can be hidden to the electron flat board, need not to set up big backshell and shelters from, easy maintenance, and is with low costs.

Description

Electronic flat board and intelligent blackboard

Technical Field

The utility model relates to an electronic equipment technical field especially relates to an electronic flat board and contain dull and stereotyped wisdom blackboard of this electron.

Background

At present, infrared units are arranged in four frames, namely an upper frame, a lower frame, a left frame and a right frame, of an intelligent interactive flat plate mostly, and are used for realizing touch operation of the intelligent interactive flat plate. The prior art has the following defects: the FPC wire and the interface thereof are exposed, the reliability is low, if the exposed part of the FPC wire is longer, the FPC wire still needs to be attached by adhesive tapes, the labor cost is high, and when the infrared unit needs to be maintained and replaced, the whole large rear shell needs to be detached, so that the maintenance difficulty is increased.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an electronic flat board, it can hide FPC line and wiring position, need not to set up big backshell and shelters from, easy maintenance, and is with low costs.

Another object of the embodiment of the utility model is to provide a wisdom blackboard, its easy maintenance, it is with low costs.

In order to achieve the above purpose, the embodiment of the present invention adopts the following technical solutions:

in a first aspect, an electronic flat panel is provided, which includes a display module and a frame assembly disposed at a periphery of the display module, the frame component comprises two first frames which are respectively positioned at the upper end and the lower end of the display module and two second frames which are respectively positioned at the left end and the right end of the display module, an infrared unit is arranged in the first frame, a socket is arranged on a PCB of the infrared unit, an avoidance port is arranged on the first frame corresponding to the insertion port, the two infrared units are connected through an FPC wire, a first accommodating cavity is arranged in the second frame along the length direction of the second frame in a penetrating manner, the FPC wire is arranged in the first accommodating cavity, two ends of the FPC wire extend out of the first accommodating cavity and are provided with plug-in connectors which are plugged with the plug-in ports, the back side of the display module is further provided with a shielding cover used for blocking the avoiding opening and the part of the FPC exposed out of the second frame.

The utility model discloses beneficial effect does: the FPC wires of the PCB connected with the infrared unit are hidden in the first containing cavities of the second frames positioned at the left end and the right end of the display module, the exposed parts of the FPC wires and the avoidance ports on the first frames are shielded by the shielding covers, the FPC wires can be prevented from being exposed, the safety and the stability are improved, meanwhile, a large-size rear shell is not required to be arranged to comprehensively shield the back surface of the display module, the manufacturing cost is reduced, in addition, when the PCB of the infrared unit is maintained, the shielding covers only need to be opened, the inserting ports and the inserting connectors are separated, the FPC wires and the PCB are respectively pulled out of the corresponding frames, and the maintenance cost is effectively reduced; only set up infrared unit in two first frames at upper and lower both ends, can reduce manufacturing cost when guaranteeing good touch-control effect, and, the frame at both ends no longer arranges infrared unit about the display module assembly, consequently, can reduce the frame width of the left and right sides or directly hide the dorsal part at the glass apron of display module assembly, the narrow frame or the design of no frame is realized to the dull and stereotyped left and right sides of electron of being convenient for, promote user experience effect, also be convenient for follow-up and clipboard or other dull and stereotyped concatenations of electronic flat board, promote the surface smoothness of the screen after the concatenation, reduce the gap of concatenation department.

As a preferred scheme of the electronic tablet, the first frame is provided with two of the avoiding ports, and the two avoiding ports are respectively located at two ends of the first frame in the length direction. Through set up two on the first frame that is located both ends from top to bottom and dodge the mouth, can realize being connected with the FPC line in the second frame of controlling both ends respectively, and dodge the mouth and be located the tip position, can reduce the sheltering from regional of covering, and then reduce the size of sheltering from the lid, reduction manufacturing cost.

As a preferable scheme of the electronic tablet, a second accommodating cavity is formed in the second frame in a penetrating manner along the length direction of the second frame, the second accommodating cavity and the first accommodating cavity are arranged at intervals, the second frame is connected with the first frame through a corner piece, one end of the corner piece is inserted into the second accommodating cavity, the other end of the corner piece is inserted into the first frame, and the corner piece is connected with the first frame and the second frame through screws respectively. The cavity is accommodated through the second, and the second is accommodated the cavity and is accommodated the chamber interval with the first, can realize on the one hand that second frame and first frame splice, and on the other hand can avoid the corner piece extrusion FPC line of first frame of concatenation and second frame, prolongs the life of FPC line, and in addition, the FPC line independently sets up in a cavity, can promote the waterproof, dampproofing effect of FPC line.

As a preferable scheme of the electronic flat panel, the display module includes a glass cover plate, the two second frames are disposed on the back side of the glass cover plate, and one side of the second frame, which is far away from the center of the display module, does not protrude from the edge of the glass cover plate. Through hiding the second frame that is located left and right sides both ends in the dorsal part of glass apron, can realize no frame concatenation after the electronic flat board concatenation, the screen after the concatenation is more pleasing to the eye.

As a preferable scheme of the electronic flat plate, the second frame has a first side surface, and the first side surface is bonded to the back surface of the glass cover plate through an adhesive layer. The second frame and the glass cover plate are fixed in a bonding mode, fixing difficulty can be reduced, fixing holes for fasteners such as screws do not need to be formed in the glass cover plate, the surface integrity of the glass cover plate is guaranteed, the electronic flat plate is attractive in appearance, and meanwhile manufacturing cost can be reduced.

As an optimal scheme of the electronic tablet, the first side surface is concavely provided with a first accommodating groove, and the adhesive layer is arranged in the first accommodating groove. Through setting up first holding tank, can accurately show the mounted position on viscose layer, avoid the operator to take place the offset when the rubberizing, promote the installation degree of accuracy on viscose layer, reduce the operation degree of difficulty, first holding tank can also strengthen the bonding strength on viscose layer and second frame simultaneously, promotes the stability after glass apron is pasted.

As an optimal scheme of the electronic flat plate, the second frame is provided with a second side surface opposite to the first side surface, a second accommodating groove is concavely formed in the second side surface, the display module further comprises a back plate arranged on the back surface of the glass cover plate, a bending plate is bent towards the glass cover plate at the edge of the back plate, and the bending plate is inserted into the second accommodating groove. Through setting up the second holding tank, can lead the installation of backplate, reduce the installation degree of difficulty of backplate.

As a preferable scheme of the electronic tablet, the second side surface is provided with a threaded hole, the back plate is provided with a through hole corresponding to the threaded hole, and a fastening screw penetrates through the through hole and is screwed in the threaded hole to fix the back plate on the second frame. The assembly difficulty of the back plate and the frame assembly can be reduced by means of screw fixation, and the structural stability of the whole display module after the back plate is assembled is improved.

As a preferred scheme of the electronic tablet, the shielding cover is connected to the first frame, the second frame and the back plate of the display module through screws respectively. The mode of screw fixation can make the mode that shelters from the lid and realize demountable installation, is convenient for follow-up maintenance and the change to FPC line or infrared unit, reduces the operation degree of difficulty.

The second aspect provides an intelligence blackboard, is in including the electronic flat board and concatenation the clipboard of the at least one side of the electronic flat board left and right sides.

The utility model discloses beneficial effect does: the utility model discloses a wisdom blackboard simple structure, the installation and the maintenance easy operation of FPC line and infrared unit on the electronic flat board, in addition, only set up infrared unit at the dull and stereotyped upper and lower frame of electron, the dull and stereotyped left and right sides of electron can accomplish no frame design, and then the electronic flat board and the clipboard concatenation of being convenient for, concatenation department gap is little after the concatenation, and user's experience is effectual.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural diagram of an electronic tablet according to an embodiment of the present invention.

Fig. 2 is a partial schematic view of an electronic tablet according to an embodiment of the present invention.

Fig. 3 is another partial schematic view of an electronic tablet according to an embodiment of the present invention.

Fig. 4 is a schematic cross-sectional view of a second frame according to an embodiment of the present invention.

In the figure:

1. a display module; 11. a back plate; 2. a frame component; 21. a first frame; 211. avoiding the mouth; 22. a second frame; 221. a first accommodating chamber; 222. a second accommodating chamber; 223. a first side surface; 224. a second side surface; 225. a first accommodating groove; 226. a second accommodating groove; 3. an interface; 4. an FPC line; 41. a plug-in connector; 5. a shielding cover; 6. a rear shell.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Referring to fig. 1, the utility model discloses an electronic flat board can be independent display device, also can be the part that the concatenation is wisdom blackboard or concatenation screen.

As shown in fig. 1 to 4, the electronic flat panel of the present invention comprises a display module 1 and a frame assembly 2 disposed at the periphery of the display module 1, wherein the frame assembly 2 comprises two first frames 21 disposed at the upper and lower ends of the display module 1 respectively and two second frames 22 disposed at the left and right ends of the display module 1 respectively, an infrared unit is disposed in the first frame 21, a socket 3 is disposed on a PCB of the infrared unit, a avoiding opening 211 is disposed on the first frame 21 corresponding to the socket 3, the two infrared units are connected by an FPC cable 4, a first accommodating cavity 221 is disposed in the second frame 22 along the length direction thereof, the FPC cable 4 is disposed in the first accommodating cavity 221, the two ends of the FPC cable 4 extend to the outside of the first accommodating cavity 221 and are disposed with a plug 41 connected with the socket 3, the back side of the display module 1 is further provided with a shielding cover 5 for blocking the avoiding opening 211 and the part of the FPC wire 4 exposed out of the second frame 22. The FPC wires 4 of the PCB connected with the infrared unit are hidden in the first accommodating cavities 221 of the second frames 22 positioned at the left end and the right end of the display module 1, and the exposed parts of the FPC wires 4 and the avoiding openings 211 on the first frames 21 are shielded by the shielding covers 5, so that the FPC wires 4 can be prevented from being exposed, the safety and the stability are improved, meanwhile, a large-size rear shell is not required to be arranged to comprehensively shield the back surface of the display module 1, the manufacturing cost is reduced, in addition, when the PCB of the infrared unit is maintained, only the shielding covers 5 need to be opened, the inserting openings 3 and the inserting connectors 41 are separated, the FPC wires 4 and the PCB are respectively pulled out of the corresponding frames, and the maintenance cost is effectively reduced; only set up infrared unit in two first frames 21 at upper and lower both ends, can reduce manufacturing cost when guaranteeing good touch-control effect, and, the frame at both ends no longer arranges infrared unit about display module assembly 1, consequently, can reduce the frame width of the left and right sides or directly hide the dorsal part at display module assembly 1's glass apron, the narrow frame or the design of no frame is realized to the dull and stereotyped left and right sides of electron of being convenient for, promote user experience effect, also be convenient for follow-up and clipboard or other dull and stereotyped concatenations of electronic flat board, promote the surface smoothness of the screen after the concatenation, reduce the gap of concatenation department.

In this embodiment, the two second frames 22 disposed on the left and right sides are directly hidden on the back side of the glass cover plate of the display module 1, that is, the two second frames 22 are disposed on the back side of the glass cover plate, and one side of the second frame 22 away from the center of the display module 1 does not protrude from the edge of the glass cover plate. Through hiding the second frames 22 at the left end and the right end at the back side of the glass cover plate, frameless splicing can be realized after the electronic flat plate is spliced, and the spliced screen is more attractive.

Specifically, a side of the second frame 22 facing away from the center of the display module 1 is flush with the edge of the glass cover plate.

Certainly, the second frame 22 is not limited to be hidden on the back of the glass cover plate, and the second frame 22 can also be directly exposed outside the glass cover plate, at this time, because no infrared unit is arranged in the second frame 22, the width of the second frame 22 can be narrowed, and the narrow frame design on the left side and the narrow frame design on the right side can be realized.

In an embodiment, the first frame 21 is provided with two avoiding openings 211, and the two avoiding openings 211 are respectively located at two ends of the first frame 21 in the length direction. Through set up two on the first frame 21 that is located upper and lower both ends and dodge mouth 211, can realize being connected with FPC line 4 in the second frame 22 of controlling both ends respectively, and dodge mouth 211 and be located the tip position, can reduce the sheltering from regional of sheltering from lid 5, and then reduce the size of sheltering from lid 5, reduction manufacturing cost.

In this embodiment, the four corners of the frame assembly 2 are all provided with the avoiding opening 211, i.e. the four corners of the whole electronic tablet are all provided with a shielding cover 5.

The shielding cover 5 is connected to the first frame 21, the second frame 22 and the back plate 11 of the display module 1 through screws. The mode of screw fixation can make shielding cover 5 realize demountable installation's mode, is convenient for follow-up maintenance and the change to FPC line 4 or infrared unit, reduces the operation degree of difficulty.

In this embodiment, the dorsal part of display module assembly 1 is provided with backshell 6, and the size of backshell 6 is less than the size of display module assembly 1, and backshell 6 does not shelter from frame subassembly 2, only shelters from the components and parts that the dorsal part of display module assembly 1 arranged, for example mainboard, power etc.. The smaller size of the rear case 6 can reduce the manufacturing cost of the electronic flat panel,

in an embodiment, a second receiving cavity 222 is formed in the second frame 22 along a length direction thereof, the second receiving cavity 222 is spaced apart from the first receiving cavity 221, the second frame 22 is connected to the first frame 21 by a corner member (not shown in the drawings), one end of the corner member is inserted into the second receiving cavity 222, the other end of the corner member is inserted into the first frame 21, and the corner member is respectively connected to the first frame 21 and the second frame 22 by screws. Hold chamber 222 through setting up the second, the second holds chamber 222 and the first chamber 221 interval that holds, can realize on the one hand that second frame 22 splices with first frame 21, and on the other hand can avoid the corner piece extrusion FPC line 4 of first frame 21 of concatenation and second frame 22, prolongs FPC line 4's life, and in addition, FPC line 4 independently sets up in a cavity, can promote the waterproof, the dampproofing effect of FPC line 4.

Specifically, the second frame 22 has a first side 223 and a second side 224 which are oppositely arranged, and the first side 223 is adhered to the back of the glass cover plate through an adhesive layer. The second frame 22 and the glass cover plate are fixed in a bonding mode, fixing difficulty can be reduced, fixing holes for fasteners such as screws do not need to be formed in the glass cover plate, the surface integrity of the glass cover plate is guaranteed, the electronic flat plate is attractive in appearance, and meanwhile manufacturing cost can be reduced.

In this embodiment, the first accommodating cavity 221 is located on one side of the second accommodating cavity 222 close to the center of the display module 1, that is, the second accommodating cavity 222 is adjacent to the edge of the glass cover plate of the display module 1, while the first accommodating cavity 221 is adjacent to the center of the display module 1, and the first accommodating cavity 221 and the second accommodating cavity 222 are arranged at intervals along a direction parallel to the glass cover plate.

The first side 223 is concavely provided with a first accommodating groove 225, and the adhesive layer is disposed in the first accommodating groove 225. Through setting up first holding tank 225, can accurately show the mounted position on viscose layer, avoid the operator to take place the offset when the rubberizing, promote the installation degree of accuracy on viscose layer, reduce the operation degree of difficulty, first holding tank 225 can also strengthen the bonding strength on viscose layer and second frame 22 simultaneously, promotes the stability after glass apron is pasted.

The second side surface 224 is concavely provided with a second accommodating groove 226, the display module 1 further includes a back plate 11 disposed on the back surface of the glass cover plate, the edge of the back plate 11 is bent toward the glass cover plate to form a bent plate, and the bent plate is inserted into the second accommodating groove 226. Through setting up second holding tank 226, can lead the installation of backplate 11, reduce the installation degree of difficulty of backplate 11.

In this embodiment, the second side 224 has a threaded hole, the back plate 11 has a through hole corresponding to the threaded hole, and a fastening screw passes through the through hole and is screwed into the threaded hole to fix the back plate 11 on the second frame 22. The assembly difficulty of the back plate 11 and the frame assembly 2 can be reduced by means of screw fixation, and the structural stability of the whole display module 1 after the back plate 11 is assembled is improved.

The embodiment of the utility model provides a still provide a wisdom blackboard, be in including the electronic flat board with the concatenation the clipboard of the at least one side of the dull and stereotyped left and right sides of electron, the electronic flat board be as above arbitrary embodiment the electronic flat board. The utility model discloses a wisdom blackboard simple structure, the installation and the maintenance easy operation of FPC line 4 and infrared unit on the electronic flat board, in addition, only set up infrared unit at the dull and stereotyped upper and lower frame of electron, the dull and stereotyped left and right sides of electron can accomplish no frame design, and then the electronic flat board of being convenient for splices with the clipboard, and the concatenation department gap is little after the concatenation, and user's experience is effectual.

The intelligent blackboard can comprise an electronic flat plate, and two writing boards are arranged on two sides of the electronic flat plate. In other embodiments, only one electronic tablet and one writing tablet may be provided.

The electronic flat panel can be used for operations such as touch writing and picture video display of an operator, and the writing board can be a blackboard or a whiteboard or any plane plate body which can write to present writing contents.

In the description herein, it is to be understood that the terms "upper" and the like are used in a descriptive sense and based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, configuration and operation in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description herein, references to the description of "an embodiment" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.

The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims

1. An electronic flat panel comprises a display module and a frame assembly arranged on the periphery of the display module, the frame component comprises two first frames which are respectively positioned at the upper end and the lower end of the display module and two second frames which are respectively positioned at the left end and the right end of the display module, it is characterized in that an infrared unit is arranged in the first frame, a socket is arranged on a PCB of the infrared unit, an avoidance port is arranged on the first frame corresponding to the insertion port, the two infrared units are connected through an FPC wire, a first accommodating cavity is arranged in the second frame along the length direction of the second frame in a penetrating manner, the FPC wire is arranged in the first accommodating cavity, two ends of the FPC wire extend out of the first accommodating cavity and are provided with plug-in connectors which are plugged with the plug-in ports, the back side of the display module is further provided with a shielding cover used for blocking the avoiding opening and the part of the FPC exposed out of the second frame.

2. The electronic tablet according to claim 1, wherein the first frame is provided with two of the avoiding openings, and the two avoiding openings are respectively located at two ends of the first frame in the length direction.

3. The electronic tablet according to claim 1, wherein a second receiving cavity is formed in the second frame along a length direction thereof, the second receiving cavity is spaced apart from the first receiving cavity, the second frame is connected to the first frame by a corner member, one end of the corner member is inserted into the second receiving cavity, the other end of the corner member is inserted into the first frame, and the corner member is connected to the first frame and the second frame by screws, respectively.

4. The electronic flat panel of claim 1, wherein the display module comprises a glass cover plate, two of the second frames are disposed on a back side of the glass cover plate, and a side of the second frame away from a center of the display module does not protrude beyond an edge of the glass cover plate.

5. The electronic flat according to claim 4, wherein the second frame has a first side, and the first side is bonded to the back side of the glass cover plate by an adhesive layer.

6. The electronic tablet of claim 5, wherein the first side surface is recessed with a first receiving groove, and the adhesive layer is disposed in the first receiving groove.

7. The electronic flat panel according to claim 5, wherein the second frame has a second side surface opposite to the first side surface, a second accommodating groove is concavely formed in the second side surface, the display module further includes a back plate disposed on the back surface of the glass cover plate, an edge of the back plate is bent toward the glass cover plate to form a bent plate, and the bent plate is inserted into the second accommodating groove.

8. The electronic tablet of claim 7, wherein the second side surface has a threaded hole, the back plate has a through hole corresponding to the threaded hole, and a fastening screw is screwed into the threaded hole through the through hole to fix the back plate to the second bezel.

9. The electronic tablet of claim 1, wherein the shielding cover is connected to the first bezel, the second bezel, and the back plate of the display module by screws, respectively.

10. An intelligent blackboard, comprising an electronic flat plate and a writing board spliced on at least one side of the left side and the right side of the electronic flat plate, characterized in that the electronic flat plate is the electronic flat plate according to any one of claims 1 to 9.