WO2019101017A1

WO2019101017A1 - Thin intelligent panel

Info

Publication number: WO2019101017A1
Application number: PCT/CN2018/115982
Authority: WO
Inventors: 邓芳光
Original assignee: 广州视睿电子科技有限公司; 广州视源电子科技股份有限公司
Priority date: 2017-11-22
Filing date: 2018-11-16
Publication date: 2019-05-31
Also published as: CN207427334U

Abstract

Disclosed is a thin intelligent panel, comprising a display screen, a control box, and an outer frame. The display screen and the control box are electrically connected to each other, and are fixed on the outer frame, wherein the outer frame comprises a side frame and a rear cover plate provided at one side of the side frame close to a mounting surface, a mounting boss protrudes from one side of the side frame distant from the rear cover plate, the display screen is fixed on the mounting boss, and the edge of the mounting boss is spaced apart from the edge of the side frame by a preset distance, and a groove is formed.

Description

Thin smart tablet

The present application claims the priority of the Chinese Patent Application, filed on Nov. 22, 2011, the filing date of

Technical field

The present application relates to the field of intelligent electronic device technology, for example, to a thin smart tablet.

Background technique

Intelligent interactive devices such as smart tablets integrate various functions of projectors, electronic whiteboards, curtains, stereos, televisions, and video conferencing terminals. They are suitable for group communication occasions, and meet the requirements of remote audio and video communication in conferences. High-definition display, video file playback, live audio, screen writing, file labeling, saving, printing and distribution, etc. Systemized meeting requirements; also built-in TV receiving function and surround sound audio, in addition to work can also meet the needs of audio-visual entertainment. Widely used in education, teaching, business meetings, business presentations, etc., can effectively improve the communication environment and improve the efficiency of group communication. With the increasing demand for smart tablets, smart tablets are developing toward thin and light, large screens and ease of operation. Currently, smart panels are mostly fixed to the wall by brackets, and their control components are integrated behind the display. The side, that is, the side close to the wall, makes the thickness of the smart plate not extremely thin, and there is a large gap between the smart plate and the wall. If the screen size of the smart tablet is increased, the installation difficulty of the smart tablet will be increased. When installing, you need to design a larger bracket to fit the installation.

Summary of the invention

The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.

The embodiment of the present application provides a thin smart tablet, which is difficult to install.

The embodiment of the present application further provides a thin smart tablet, which has a thin thickness and a large screen size.

An embodiment of the present application provides a thin smart tablet, including a display screen, a control box, and an outer frame, wherein the display screen and the control box are electrically connected and both are fixed on the outer frame, wherein the outer frame The side frame includes a rear cover plate disposed on a side of the side frame near the mounting surface, and the side frame protrudes from a side away from the rear cover plate with a mounting boss, and the display screen is fixed at the mounting On the boss, the edge of the mounting boss is spaced apart from the edge of the side frame by a predetermined distance and forms a groove.

In an embodiment, the edge of the display screen extends above the recess and does not extend beyond the edge of the side frame.

In an embodiment, the groove has an L-shaped cross section, the groove having a first groove face facing the display screen and a second groove face facing the edge of the display screen.

In an embodiment, the grooves have a height and a width of no more than 2 mm.

In an embodiment, a light-proof coating is disposed in the groove.

In an embodiment, the display screen is bonded to the mounting boss by an adhesive.

In an embodiment, the edge of the display screen and the edge of the side frame are each provided with a circular chamfer.

In an embodiment, the control box is disposed on one side of the display screen in the length direction or the width direction.

In an embodiment, the control box is fixedly coupled to the outer frame by an adhesive.

In an embodiment, a magnetic assembly for magnetically securing the outer frame to the mounting surface is further included.

Other aspects will be apparent upon reading and understanding the drawings and detailed description.

DRAWINGS

The present application will be further described in detail below with reference to the accompanying drawings and embodiments.

FIG. 1 is a schematic structural diagram of a thin smart tablet according to an embodiment of the present application.

Figure 2 is a side elevational view of Figure 1.

FIG. 3 is a schematic structural diagram of a thin smart tablet according to another embodiment of the present application.

Figure 4 is a side elevational view of Figure 3.

FIG. 5 is a schematic structural diagram of a thin smart tablet according to another embodiment of the present application.

Figure 6 is a side elevational view of Figure 5.

FIG. 7 is a schematic structural diagram of a thin smart tablet according to still another embodiment of the present application.

Fig. 8 is a partial enlarged view of Fig. 7 (showing a jack portion).

Figure 9 is a partial cross-sectional view of Figure 7.

FIG. 10 is a schematic structural diagram of a thin smart tablet according to another embodiment of the present application.

Figure 11 is a partial enlarged view of Figure 10 (showing a jack portion).

FIG. 12 is an exploded perspective view of a thin smart tablet according to another embodiment of the present application.

Figure 13 is a schematic view showing the structure of the control box of Figure 12 (the cover is opened relative to the case).

Figure 14 is a schematic view showing the structure of the control box of Figure 12 (the cover is closed with respect to the case).

15 is a cross-sectional view of a thin smart tablet according to another embodiment of the present application.

In the picture:

1, display; 11, optical module; 12, OC screen; 13, capacitive screen; 2, control box; 21, box; 211, bottom wall; 212, first side wall; 213, third side wall; 214, a second hinge portion; 215, a second locking hole; 22, a cover; 221, a cover; 222, a cover side plate; 223, a first hinge; 2231, a slot; 224, the first lock Tight hole; 23, locking screw; 24, processor; 25, video control board; 26, power system; 271, first cooling fan; 272, second cooling fan; 281, first speaker; 282, second speaker 3, mounting surface; 4, outer frame; 41, side frame; 411, first frame bar; 412, second frame bar; 413, third frame bar; 414, first bent portion; 42, rear cover ; 43, mounting boss; 44, groove; 5, connecting member; 51, connecting line; 52, second contact portion; 6, positioning member; 61, positioning protrusion; 62, positioning groove; Suction assembly; 71, first magnet; 72, second magnet; 73, fixing nail; 8, latch assembly; 81, latch; 82, jack; 821, first jack; 822, second jack; Limit plate.

Detailed ways

The technical solutions of the embodiments of the present application are further described in detail below with reference to the accompanying drawings, which are only a part of the embodiments of the present application, but not all embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments of the present application without creative efforts are within the scope of the present application.

In the description of the present application, the terms "connected", "connected", and "fixed" are to be understood broadly, and may be either a fixed connection, a detachable connection, or an integral, unless otherwise specifically defined and defined. It can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, which can be the internal connection of two elements or the interaction of two elements. The specific meanings of the above terms in the present application can be understood in the specific circumstances for those skilled in the art.

In the present application, the first feature "on" or "under" the second feature may include direct contact of the first and second features, and may also include first and second features, unless otherwise specifically defined and defined. It is not in direct contact but through additional features between them. Moreover, the first feature "above", "above" and "above" the second feature includes the first feature directly above and above the second feature, or merely indicating that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and below the second feature, or merely the first feature level being less than the second feature.

As shown in FIG. 1 to FIG. 11 , the embodiment of the present application discloses a thin smart tablet, including a display screen 1 and a control box 2 . The control box 2 is disposed on one side of the length direction or the width direction of the display screen 1 , and the control box 2 is Display 1 is electrically connected. By moving the control box 2 from the back side of the display screen 1 to one side in the length direction or the width direction of the display screen 1, the thickness of the entire smart tablet can be reduced, and the thin design can be realized, thereby making the display screen 1 closer to the mounting surface 3 The smart tablet that avoids the large-size screen is far away from the mounting surface 3, is easy to shake, and is difficult to fix.

In order to allow the display screen 1 to completely conform to the mounting surface 3, the side of the display screen 1 close to the mounting surface 3 is flush with the side of the control box 2 close to the mounting surface 3. The mounting surface 3 can be a wall surface of a wall or a wall surface of a moving car, etc., and the position of the mounting surface can be completely matched with the mounting surface 3 to achieve zero gap installation, thereby effectively reducing the shaking of the thin smart plate. .

In the present embodiment, the control box 2 is disposed below the display screen 1 in the vertical direction. Such a design can facilitate the operation of the thin smart tablet. Generally, the control box 2 is provided with a control button, a USB interface, etc., and the control box 2 is disposed under the display screen 1 to facilitate the operator to operate the control buttons on the control box 2, etc. Components that enable control of thin smart panels.

In addition, there are various connection modes between the display screen 1 and the control box 2, so that the display screen 1 and the control box 2 can be integrally formed, and the display screen 1 and the control box 2 can be separately formed.

In an embodiment, when the display screen 1 is integrally formed with the control box 2: as shown in FIGS. 1 and 2, the thin smart tablet further includes an outer frame (not shown), and the display screen 1 and the control box 2 are both fixed. Inside the frame. That is, the display screen 1 and the control box 2 share a single frame, and the signal connection or power connection is realized between the display screen 1 and the control box 2 by means of a wiring connection, and the wiring is hidden in the control box 2.

When the display screen 1 and the control box 2 are separately formed: as shown in FIGS. 3 to 6, the thin smart tablet further includes a frame (not shown), the display screen 1 is disposed in the outer frame, and the control box 2 is disposed on the On one side of the outer frame, the display screen 1 and the control box 2 are electrically connected by a connecting member 5. The above design makes the display screen 1 and the control box 2 separately formed. When the installation is performed, only the connecting member 5 needs to be respectively connected to the display screen 1 and the control box 2, and the operation is very simple.

The display screen 1 can be connected to the control box 2 in the following three ways.

The first type: the connection of the cable. In an embodiment, as shown in FIGS. 3 and 4, the connecting member 5 is a connecting line 51, and one end of the connecting line 51 is connected to the display screen 1 through the outer frame, and the other end is connected to the control box 2. The connecting line 51 integrates all the lines in the control box 2 into one cable, reducing the number of lines, reducing the difficulty of wiring, and also reducing the number of wiring ports on the display 1 and the control box 2. In addition, the connecting wire 51 may be located at the middle or the end of the control box 2 at the time of wiring.

Second: contact type connection. In an embodiment, as shown in FIGS. 5 and 6, the connecting member 5 includes a first contact portion and a second contact portion 52. The first contact portion is disposed on the outer frame and connected to the display screen 1, and the second contact The dot portion 52 is disposed on the control box 2 and connected to a control unit in the control box 2. When the display screen 1 is mounted on one side of the control box 2, the second contact portion 52 abuts against the first contact portion.

In order to enable the two contact portions to be aligned accurately when the control box 2 is assembled with the display screen 1, a positioning member 6 is further added. In one embodiment, the positioning member 6 includes a mating positioning projection 61 and a positioning recess. One of the groove 62, the positioning protrusion 61 and the positioning groove 62 is disposed on one side of the outer frame toward the control box 2, and the other of the positioning protrusion 61 and the positioning groove 62 is disposed at the control box 2 On one side of the outer frame, when the positioning protrusion 61 is mated with the positioning groove 62, the second contact portion 52 abuts against the first contact portion.

In order to make the positioning more accurate, two sets of positioning members 6 are provided between the control box 2 and the display screen 1, and the two sets of positioning members 6 are respectively disposed at positions adjacent to both ends in the longitudinal direction of the control box 2.

The third group: wireless connection. In an embodiment, referring to FIGS. 5 and 6, the connecting component 5 includes a first wireless module and a second wireless module, the first wireless module is disposed in the outer frame, and the second wireless module is disposed in the control box 2, the first wireless The module is connected to the display 1, and the second wireless module is connected to a control unit in the control box 2.

In an embodiment of the present application, as shown in FIGS. 7 to 11, the thin smart tablet is fixed to the mounting surface 3 by magnetic attraction. In one embodiment, the thin smart tablet further includes a magnetic assembly 7 that magnetically secures the display screen 1 and the control box 2 to the mounting surface 3.

Taking the integrally formed thin smart plate as an example, the structure of the outer frame 4 is as shown in FIG. 12. The outer frame 4 includes a side frame 41 and a rear cover 42. The display screen 1 and the control box 2 are confined in the side frame 41, and the rear cover is 42 is connected to a side of the side frame 41 adjacent to the mounting surface 3 for isolating the display screen 1 and the control box 2 from the mounting surface 3, the magnetic assembly 7 comprising at least two first magnets 71 and at least two second magnets 72 At least two first magnets 71 are spaced apart from each other on the rear cover 42 , and at least two second magnets 72 are spaced apart from each other on the mounting surface 3 . The first magnets 71 are corresponding to the second magnets 72 and are magnetically opposite.

In order to increase the mounting reliability of the thin smart panel, the first magnet 71 and the second magnet 72 are both strong magnets.

In an embodiment, the latch assembly 8 is further included. The latch assembly 8 includes a latch 81 and a receptacle 82. The latch 81 is fixed on the mounting surface 3, and the receptacle 82 is formed on the rear cover 42. The latch 81 is away from the mounting surface 3. One end is selectively inserted into the jack 82. By providing the latch assembly 8, the cooperation of the latch 81 and the jack 82 can support the thin smart plate in the vertical direction, reducing the force acting on the magnetic component 7, due to the gravity of the thin smart panel of the large screen. It is heavy, therefore, the added latch assembly 8 can improve the mounting stability, and can be aligned by the latch assembly 8 during the installation process, ensuring that the first magnet 71 and the second magnet 72 can be accurately absorbed, thereby reducing the installation difficulty. Further improve the installation reliability of the thin smart tablet.

In the present embodiment, as shown in Figs. 7 and 9, in the vertical direction, the magnetic pickup unit 7 and the latch assembly 8 are respectively located at the upper and lower ends of the rear cover 42. Such a design can first hang the upper end of the thin smart plate with the latch assembly 8, and then close the lower end of the thin smart plate to the mounting surface 3. After the first magnet 71 and the second magnet 72 are attracted, the thin smart plate is firmly fixed. On the mounting surface 3, when the thin smart tablet needs to be disassembled, the lower end of the thin smart plate is pulled hard to disengage the first magnet 71 from the second magnet 72. At this time, since the upper end is suspended on the latch assembly 8, the thin smart can be effectively prevented. The flat plate is dropped when it is pulled, that is, the above design can reduce the difficulty of disassembly and assembly and improve safety.

In one embodiment, the rear cover 42 has a rectangular shape, and the latch assembly 8 and the magnetic assembly 7 are each provided with two sets. The two sets of the magnetic assembly 7 and the two sets of the latch assemblies 8 are disposed at four corners of the rear cover 42.

In other embodiments, as shown in Figures 10 and 11, the position of the magnetic assembly 7 and the latch assembly 8 can also be reversed, i.e., in the vertical direction, the latch assembly 8 and the magnetic assembly 7 are respectively located in the rear cover 42. The upper and lower ends.

In another embodiment of the present application, the magnetic assembly 7 further includes a plurality of third magnets and a fourth magnet corresponding to the number and position of the third magnets, the third magnets are disposed on the rear cover 42 and the fourth magnets are fixed On the mounting surface 3, the magnetic properties of the third magnet and the fourth magnet are both smaller than the magnetic properties of the first magnet 71. By adding a magnet with a smaller magnetic force on the rear cover 42 and the mounting surface, the installation stability of the thin smart plate can be enhanced without affecting the disassembly and assembly of the thin smart plate because the magnets of the third magnet and the fourth magnet are less magnetic. When disassembling, it is only necessary to overcome the magnetic attraction force of the first magnet 71 and the second magnet 72, and the thin smart tablet can be removed.

A plurality of third magnets are evenly distributed in the middle of the rear cover 42. The evenly distributed third magnet makes the adsorption force in the middle of the rear cover 42 uniform and enhances the mounting stability.

The specific structure of the magnetic component 7 and the latch assembly 8 will be described below.

The first magnet 71 and the third magnet of the magnetic component 7 can be fixed to the back plate 42 in an embedded manner, the second magnet and the fourth magnet are fixed to one end of the fixing nail 73, and the other end of the fixing nail 73 is inserted into Inside the mounting surface 3. Fixing the magnet by means of the fixing nails 73 can reduce the difficulty of fixing the magnet on the mounting surface 3. Further, in order to completely conform the thin smart plate to the mounting surface 3, neither the second magnet 72 nor the fourth magnet protrudes from the mounting surface 3, for example, the surfaces of the second magnet 72 and the fourth magnet are flush with the mounting surface 3.

As shown in FIG. 11, the latch 81 of the latch assembly 8 is fixed to the limit plate 83 at one end away from the mounting surface, and the jack 82 includes a first jack 821 and a second jack 822 which are sequentially opened from top to bottom in the vertical direction. The aperture of the first insertion hole 821 is smaller than the aperture of the second insertion hole 822, and the limiting plate 83 can be inserted into the inner portion of the outer frame 4 through the second insertion hole 822, and the size of the limiting plate 83 is larger than that of the first insertion hole 821. Aperture. With such a design, when the latch 81 is inserted into the insertion hole 82 of the outer frame 4, the latch is moved into the first insertion hole 821 due to gravity, and the limiting plate 83 can block the outer frame 4 from being separated from the latch 81, thereby ensuring installation. The stability. Of course, the shape of the jack 82 is not limited to the above structure, and may be designed as shown in FIG. 8 and FIG. 9 : the jack 82 is formed at the lower end of the rear cover 42 , corresponding to the jack 82 at the bottom of the outer frame 4 . The opening is open, the size of the opening is larger than the size of the limiting plate 83, and the size of the limiting plate 83 is larger than the size of the receiving hole 82. The limiting plate 83 can enter the outer frame 4 through the opening and is confined in the outer frame 4.

In addition, the latch 81 and the limiting plate 83 may be replaced by screws. One end of the screw is driven into the mounting surface 3, and one end with the nut protrudes from the mounting surface 3, and the spacing between the nut and the mounting surface 3 is The thickness of the rear cover 42 is matched. When the thin smart plate is installed in place, the nut is inserted into the outer frame 4, and the rear cover 42 is partially caught between the nut and the mounting surface 3.

In an embodiment of the present application, as shown in FIG. 12, the thin smart tablet includes a display screen 1, a control box 2, and an outer frame 4. The display screen 1 and the control box 2 are fixed on the outer frame 4 by an adhesive, and are controlled. The cartridge 2 is electrically connected to the display screen 1 and the control box 2 is disposed on one side in the longitudinal direction or the width direction of the display screen 1.

In an embodiment, the control box 2 is located below the display screen 1.

In the present embodiment, the outer frame 4 includes a side frame 41 and a rear cover 42 disposed on a side of the side frame 41 close to the mounting surface 3, and the display screen 1 is fixed on a side of the side frame 41 away from the rear cover 42, and the control box The two portions are disposed in the side frame 41, and partially protrude from the side of the side frame 41 away from the rear cover 42. The display screen 1 is adhered to the side of the side frame 41 away from the rear cover 42 by an adhesive. The control box 2 is respectively connected to the inner side of the side frame 41 and the rear cover 42 by an adhesive, and the rear cover 42 passes the adhesive. The agent is connected to the side frame 41. Since the thickness of the thin smart plate is thin, sometimes up to 6 mm, the connection between the various components cannot be connected by conventional fasteners such as screws, screws or bolts, and in order to keep the rear cover 42 detachable, The rear cover 42 is bonded to the side frame 41. Adhesives are available with a double-sided adhesive that is more viscous.

In addition, as shown in FIG. 15, a mounting boss 43 is protruded from a side of the side frame 41 toward the display screen 1. The edge of the mounting boss 43 is spaced apart from the edge of the side frame 41 by a predetermined distance, and a recess 44 is formed. The display screen 1 is fixed to the side of the mounting boss 43 away from the side frame 41. By providing the groove 44, the circumference of the display screen 1 can be mounted without aligning the circumference of the side frame 41, and it is visually unintelligible to sense that the display screen 1 is not aligned accurately, that is, the display screen 1 is lowered. The shape tolerance can effectively reduce the installation difficulty of the display 1, improve the production efficiency and the aesthetics of the product.

In the present embodiment, the height of the groove 44 is not more than 2 mm and the width is not more than 2 mm.

The groove 44 has a first groove face facing the display screen 1 and a second groove face facing the outer periphery of the side frame 41. A coating for preventing light transmission is provided in the recess 44.

In order to prevent the user from scratching the edge of the display 1, a circular chamfer is provided at the edge of the display 1. It is also possible to provide a circular chamfer at the edge of the side frame 41, the same function of preventing the user from being scratched.

In the embodiment, the display screen 1 includes an optical module 11, an OC panel 12 and a capacitive screen 13 which are sequentially stacked on the side frame 41. The optical module 11, the OC panel 12 and the capacitive screen 13 are bonded. Way to connect.

In another embodiment of the present application, the side frame 41 includes a first bezel strip 411, a second bezel strip 412, and a third bezel strip 413 that are vertically connected in sequence, and the first bezel strip 411 faces away from the end of the second bezel strip 412. The third frame strip 413 is bent with a first bent portion 414. The third frame strip 413 is bent away from the end of the second frame strip 412 toward the first frame strip 411 and has a second bent portion. The control box 2 is away from the display screen 1 One side is connected to the first bent portion 414 and the second bent portion. In an embodiment, the control box 2 is screwed to the first bent portion 414 and the second bent portion.

In this embodiment, the first bezel strip 411, the second bezel strip 412, and the third bezel strip 413 are connected by screws. In one embodiment, a first frame strip 411 is disposed at one end of the first frame strip 411 away from the first bent portion 414, and a frame insertion hole is disposed at one end of the third frame strip 413 away from the second bent portion, and the second frame strip 412 is disposed. The two ends of the frame are convexly provided with a frame protrusion that is mated with the frame jack.

A first through hole is defined in the first frame strip 411, and a first screw hole is formed in one of the frame protrusions corresponding to the first through hole, and the first screw passes through the first through hole. The hole is screwed into the first screw hole to fix the first frame strip 411 and the second frame strip 412, and a second through hole is formed in the third frame strip 413, corresponding to the second through hole on the other frame protrusion A second screw hole is opened, and the second screw is screwed into the second screw hole through the second through hole to fix the third bezel strip 413 and the second bezel strip 412.

When the side frame 41 is separately formed, the first frame bar 411 and the third frame bar 413 may be disposed in a U shape, that is, one end of the first frame bar 411 is provided with a first bending portion 414, and the first frame bar 411 is further A first connecting portion is disposed at one end, a second bent portion is disposed at one end of the third bezel strip 413, and a second connecting portion is disposed at the other end of the third bezel strip 413. The connecting portion is connected to the second connecting portion.

In an embodiment, the two ends of the second bezel strip 412 are respectively connected to the first connecting portion and the second connecting portion by screws.

Of course, the connection manner of the bezel 41 is not limited to the above-described plug-fit and screw-fixing, and may be welded as one. In one embodiment, the first frame strip 411 is away from one end of the first bent portion 414, and the end of the third frame strip 413 away from the second bent portion is welded to both ends of the second bezel strip 412, respectively.

The split side frame 41 can reduce the manufacturing difficulty because the larger the screen, the longer the length of the side frame 41, and a longer material is required to bend the side frame 41.

In other embodiments, the side frame 41 may also have a unitary structure. The one-piece side frame 41 can reduce the use of fasteners (screws, etc.) and can also enhance the strength of the side frame 41. In an embodiment, the first bezel strip 411, the second bezel strip 412, and the third bezel strip 413 are integrally bent and formed.

In order to secure the support strength, both the side frame 41 and the rear cover 42 are made of metal.

In another embodiment of the present application, as shown in FIGS. 12 to 14, the control box 2 includes a case 21 and a cover 22 that selectively closes the opening of the case 21, and the case 21 includes a bottom wall 211 and a ring The cover 22 is disposed on the side wall of the peripheral portion of the bottom wall 211. The cover 22 includes a cover plate 221, a cover side plate 222, and a first hinge portion 223. The cover side plate 222 and the first hinge portion 223 are both disposed on the cover plate 221 toward the box. One side of the body 21, and the cover side plate 222 and the first hinge portion 223 are respectively disposed at opposite ends of the cover plate 221, and the box body 21 is provided with a second hinge portion 214, a first hinge portion 214 and a second hinge portion The 223 can be relatively rotated after the plug-in is engaged. When the first hinge portion 213 is connected to the second hinge portion 223 and the cover 22 closes the opening portion of the box body 21, the cover side plate 222 is located outside the side wall, and the cover is closed. The side plate 222 and the side wall are fixed by fasteners.

The opening and dismounting of the casing 21 is facilitated by providing two hingeable and rotatable hinges on the casing 21 and the lid 22, and the lid is provided on the lid 22 with respect to the other end of the hinge. The side panel 222, the lid side panel 222 can be fixed with the side wall of the casing 21 by fasteners to facilitate locking the lid 22 to the casing 21. The above structure can effectively reduce the use of the fastener, and the cover 22 has no exposed fasteners on one side of the user, which improves the appearance of the entire thin smart blackboard. In addition, since the cover 22 of the control box 2 is facing the user, the control unit in the control box 2 can be maintained without removing the thin smart plate from the wall, that is, without disassembling the maintenance, and the maintenance is reduced. Difficulty, single-person maintenance.

In the embodiment, the first hinge portion 223 defines an arc-shaped insertion slot 2231, and the second hinge portion 214 is a curved plate that is mated with the insertion slot 2231. The insertion groove 2231 of the arc structure is mated with the curved plate, and not only the rotation between the two hinge portions but also the rotation of the first hinge portion 223 relative to the second hinge portion 214 is not rotated. The first hinge portion 223 and the second hinge portion 214 are prevented from being separated, thereby preventing the lid 22 from coming off the casing 21.

A first locking hole 224 is defined in the side wall 222 of the cover, and a second locking hole 215 is defined in the first locking hole 224 on the side wall. The first locking hole 224 is a through hole, and the second locking hole 215 is a second locking hole 215. The threaded hole, the locking screw 23 is screwed into the second locking hole 215 through the first locking hole 224.

In order to prevent the screw from protruding on the cover 22, the first locking hole 224 can be set as a counterbore, and the locking screw 23 can be completely sunk into the counterbore.

Further, the inner curved surface of the curved plate is disposed on a side away from the inside of the casing 21.

The first hinge portion 223 is spaced apart from an end of the cover plate 221 away from the cover side plate 222.

In an embodiment, the sidewall includes a first sidewall 212, a second sidewall, a third sidewall 213, and a fourth sidewall that are vertically connected in sequence, and the fourth sidewall is away from the end of the third sidewall 213 and the first sidewall. The side wall 212 is connected, and the second hinge portion 214 is disposed inside the first side wall 212, and the cover side plate 222 is connected to the third side wall 213.

In one embodiment, the height of the first sidewall 212, the height of the second sidewall, and the height of the fourth sidewall are equal, and the height of the third sidewall 213 is smaller than the height of the first sidewall 212, and the cover side plate 222 The height is equal to the height of the first side wall 212.

In still another embodiment of the present application, as shown in FIG. 12, the bottom wall 211 of the casing 21 is sequentially provided with a processor 24, a video control board 25, and a power supply system 26 along the length direction of the casing 21, and the processor 24 Connected to the video control board 25, the video control board 25 is connected to the external display 1, the power system 26 is connected to the video control board 25 and the processor 24, respectively, and the first side of the video control board 25 away from the power system 26 is provided. The cooling fan 271 is disposed on a side of the power system 26 remote from the video control board 25 to provide a second cooling fan 272. The heat dissipation efficiency can be improved by providing a heat dissipating fan on each of two heat-generating components (the video control board 25 and the power supply system 26).

The first cooling fan 271 is disposed adjacent to the processor 24. Such a design can speed up heat dissipation on the processor 24 and ensure that the processor 24 is functioning properly.

The first cooling fan 271 and the second cooling fan 272 are exhaust fans, and an air vent (not shown) is disposed on the bottom wall 211 corresponding to the first cooling fan 271 and the second cooling fan 272.

A first speaker 281 is disposed on a side of the processor 24 away from the video control board 25, and a first sound hole (not shown) is disposed on the bottom wall 211 corresponding to the first speaker 281; and the power system 26 is away from the video control board 25 The second speaker 282 is disposed on the side, and the second speaker 282 is disposed on the bottom wall 211 to open the second sound hole. The sound hole can not only facilitate the sound of the speaker to spread outside the control box 2, but also serve as an air inlet for the cooling fan.

The second speaker 282 is disposed between the power system 26 and the second heat dissipation fan 272; or the second speaker 282 is disposed on a side of the second heat dissipation fan 272 away from the power system 26 .

In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like or the positional relationship are based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of operation. Instead of indicating or implying that the device or component referred to must have a particular orientation, constructed and operated in a particular orientation, it is not to be construed as limiting the invention. Moreover, the terms "first", "second", "third", "fourth" are used merely to distinguish between descriptions and have no special meaning.

In the description of the present specification, the description of the terms "an embodiment", "an example" or the like means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. in. In the present specification, the schematic representation of the above terms does not necessarily mean the same embodiment or example.

In addition, it should be understood that although the description is described in terms of embodiments, not every embodiment includes only one independent technical solution. The description of the specification is merely for the purpose of clarifying the device, and those skilled in the art should regard the specification as a whole. The technical solutions in the various embodiments may also be combined as appropriate to form other embodiments that can be understood by those skilled in the art.

Claims

A thin smart tablet comprising a display screen, a control box and an outer frame, the display screen and the control box being electrically connected and both fixed on the outer frame, wherein the outer frame comprises an edge frame and a setting a rear cover plate on a side of the side frame near the mounting surface, a side of the side frame protruding from a side away from the rear cover plate, wherein the display screen is fixed on the mounting boss The edge of the mounting boss is spaced apart from the edge of the side frame by a predetermined distance and forms a groove.
A thin smart panel according to claim 1 wherein the edge of the display screen extends above the recess and does not extend beyond the edge of the side frame.
The thin smart tablet according to claim 1, wherein the groove has an L-shaped cross section, the groove having a first groove face facing the display screen and a second groove facing an edge of the display screen surface.
The thin smart panel according to claim 3, wherein the grooves have a height and a width of not more than 2 mm.
The thin smart panel according to claim 1, wherein a light-proof coating is disposed in the recess.
A thin smart tablet according to claim 1, wherein said display screen is adhered to said mounting boss by an adhesive.
The thin smart tablet according to claim 1, wherein an edge of the display screen and an edge of the side frame are provided with a circular chamfer.
The thin smart tablet according to any one of claims 1 to 7, wherein the control box is disposed at one side in a length direction or a width direction of the display screen.
The thin smart tablet according to any one of claims 1 to 7, wherein the control box is fixedly coupled to the outer frame by an adhesive.
The thin smart tablet according to any one of claims 1 to 7, further comprising a magnetic component that magnetically fixes the outer frame to the mounting surface.