WO2018090732A1

WO2018090732A1 - Heat dissipation plate mounting structure of interactive intelligent panel, and interactive intelligent panel

Info

Publication number: WO2018090732A1
Application number: PCT/CN2017/103494
Authority: WO
Inventors: 周平; 邓芳光
Original assignee: 广州视源电子科技股份有限公司; 广州视睿电子科技有限公司
Priority date: 2016-10-21
Filing date: 2017-09-26
Publication date: 2018-05-24
Also published as: CN106598180A; CN106598180B

Abstract

Disclosed are a heat dissipation plate mounting structure of an interactive intelligent panel, and an interactive intelligent panel. The heat dissipation plate mounting structure of an interactive intelligent panel comprises a heat dissipation plate and an aluminum-plastic backplate; the heat dissipation plate comprises a first plate body and a second plate body; the second plate body is located on a front side of the first plate body; an upper portion of the second plate body is connected to a lower portion of the first plate body; a mounting plate for mounting a light source bar is provided on the end of the second plate body against the first plate body; the mounting plate extends toward the side where the aluminum-plastic backplate is located; a mounting surface formed by a front side surface of the first plate body and an upper end face of the second plate body is attached and mounted to a lower portion of the aluminum-plastic backplate. The heat dissipation plate mounting structure of an interactive intelligent panel, and the interactive intelligent panel do not affect the outer structural strength of a whole machine; the heat dissipation plate mounting structure is stable; and a heat dissipation plate is externally provided to facilitate heat dissipation, so that good heat dissipation effects can be achieved.

Description

Heat sink mounting structure and interactive smart tablet of interactive smart tablet

Technical field

The invention relates to the field of interactive smart tablets, in particular to a heat sink mounting structure and an interactive smart tablet of an interactive smart tablet.

Background technique

The interactive smart tablet is an integrated device that controls the content displayed on the display tablet through touch technology and realizes human-computer interaction operation, and integrates a television, a computer, a projector, an electronic whiteboard, an audio, a video conference terminal, and the like. The function is suitable for group communication occasions, and centrally solves the system of remote audio and video communication, high-definition display of conference documents in various formats, video file playback, live audio, screen writing, and file labeling, saving, printing and distribution. The needs of conferences are widely used in education, business meetings, business presentations and other fields. The main structure of the interactive smart tablet generally includes an outer frame, a middle frame, a back plate, a reflective sheet and a light guide plate, a light source strip, a heat sink, a rear shell and the like which are sequentially stacked on the back board. Traditionally, the heat sink of the interactive smart tablet is disposed inside the backlight module, and the heat dissipation effect of the heat sink is poor.

Summary of the invention

Based on the above, the present invention overcomes the defects of the prior art, and provides a heat sink mounting structure and an interactive smart tablet of an interactive smart tablet. The heat sink mounting structure of the interactive smart tablet does not affect the structure of the whole machine and the structure of the heat sink. The heat dissipation effect is good; the interactive smart tablet has good strength, stable structure and good heat dissipation effect.

Its technical solutions are as follows:

A heat sink mounting structure of an interactive smart panel includes a heat sink and an aluminum plastic back panel, the heat sink including a first board body and a second board body, wherein the second board body is located in front of the first board body a side, an upper portion of the second plate body is connected to a lower portion of the first plate body, and an end of the second plate body away from the first plate body is provided with a mounting plate for mounting a light source strip, the mounting plate a mounting surface extending toward a side of the aluminum-plastic back sheet, a front side surface of the first board body and an upper end surface of the second board body Attached to the lower portion of the aluminum-plastic back sheet.

In one embodiment, the front side of the first plate body is respectively provided with positioning posts on both sides in the lateral direction, and the aluminum plastic back plates are respectively provided on the two sides in the lateral direction respectively corresponding to the positioning pillars. Positioning holes.

In one embodiment, the length of the positioning post is the sum of the thicknesses of the aluminum-plastic back sheet, the reflective sheet, and the light guide plate.

In one embodiment, a plurality of fixing posts are disposed on the rear side of the first plate body.

In one embodiment, the plurality of the fixing posts are divided into four groups, and the first group of the fixing posts are disposed in the middle of the rear side of the first plate body for mounting an OC (opencel l, liquid crystal panel) drive. a second set of the fixing posts and a third set of the fixing posts are respectively disposed on two sides of a middle portion of the rear side of the first plate body, and are respectively installed on two sides of the OC driving board in lateral directions. The horn, the fourth group of the fixing posts are disposed outside the rear side of the first board for mounting a main board disposed on one side of the horn of the OC driving board.

In one embodiment, the first side of the first plate body is provided with at least one first laser engraving area on the outer circumference of the first group of the fixing columns, and the rear side of the second board body is in a lateral direction A plurality of second laser engraving regions are provided at intervals.

In one of the embodiments, the second plate body is provided with a slot for mounting the light source strip connector in a middle portion in the lateral direction.

In one embodiment, the mounting plate is respectively provided with a first mounting hole on both sides in the lateral direction, and the first mounting hole is used for fixing the limiting block for limiting the light guide plate.

In one embodiment, the mounting plates are respectively provided with notches at both ends in the lateral direction, and the notches are for engaging with the corner connecting members of the connecting side outer frame and the lower outer frame.

In one embodiment, the front side of the second plate body is provided with at least one laterally disposed positioning reference groove for providing a positioning reference for the reflective sheet cushion.

In one embodiment, the upper end of the first plate body is provided with a reinforcing rib extending away from a side of the aluminum-plastic backing plate.

In one embodiment, the length of the second plate in the lateral direction is greater than the length of the first plate in the lateral direction, and the second plate on each side is 8-15 mm longer than the first plate. .

In one embodiment, the lower side of the first plate body is provided with a plurality of second mounting holes for mounting the locking connector, and one end of the locking connector is connected to the first plate body. The other end of the locking connector is coupled to the lower outer frame.

In one embodiment, the heat sink is an integrally formed structure.

An interactive smart panel includes a light source strip and a heat sink mounting structure of the interactive smart panel described above, the light source strip being mounted on a side of the mounting board adjacent to the first board.

The beneficial effects of the invention are:

The heat sink mounting structure of the interactive smart tablet includes a first board body, a second board body and a mounting board, wherein the mounting board is used for installing the light source strip to provide a light source, and the front side surface and the second board body of the first board body The mounting surface formed on the upper end surface is attached to the lower portion of the aluminum-plastic backing plate, and the heat dissipation plate is disposed on the rear side of the aluminum-plastic backing plate, that is, the heat dissipation plate is disposed outside the backlight module, because the aluminum-plastic back plate The structural strength of the heat dissipation plate is good, and the first plate body and the second plate body of the heat dissipation plate are planar structures. When the heat dissipation plate and the aluminum plastic back plate are installed, the front side of the first plate body is attached to the rear side of the aluminum plastic back plate. Installation, the heat sink is equivalent to superimposed on the back side of the aluminum-plastic backboard, which does not affect the external structural strength of the whole machine. The mounting structure of the heat sink is stable, and the heat sink is externally arranged for heat dissipation and the heat dissipation effect is good.

The interactive smart tablet includes the heat sink mounting structure of the interactive smart tablet described above, and has the beneficial effects of the heat sink mounting structure of the interactive smart tablet, and has good strength, stable structure, and good heat dissipation effect.

DRAWINGS

1 is a schematic structural diagram of a heat sink mounting structure of an interactive smart tablet according to an embodiment of the present invention;

2 is a schematic structural view 1 of a heat dissipation plate according to an embodiment of the present invention;

3 is a schematic structural view 2 of a heat dissipation plate according to an embodiment of the present invention;

Figure 4 is a schematic enlarged view of the structure of Figure 2;

Figure 5 is a schematic enlarged view of the structure B in Figure 2;

Figure 6 is a schematic enlarged view of the structure C in Figure 3;

Figure 7 is a schematic enlarged view of the structure at D in Figure 1.

Description of the reference signs:

10, the heat sink, 110, the first plate body, 111, the front side of the first plate body, 112, the rear side of the first plate body, 113, the second mounting hole, 114, the third mounting hole, 115, the fourth Mounting hole 120, second plate body 121, front side surface of second plate body, 122, rear side surface of second plate body, 123, slotted, 124, positioning reference groove, 130, mounting plate, 131, first Mounting hole, 132, notch, 140, positioning post, 150, fixed column, 160, first radium engraving area, 170, second radium engraving area, 180, reinforcing rib position, 20, aluminum plastic back board, 1, side Outer frame, 2, lower frame, 3, corner connector, 4, locking connector.

detailed description

The embodiments of the present invention are described in detail below:

As shown in FIG. 1 , FIG. 2 and FIG. 3 , a heat dissipation board mounting structure of an interactive smart panel includes a heat dissipation board 10 and an aluminum plastic back board 20 , and the heat dissipation board 10 includes a first board body 110 and a second board body. The second board 120 is located on the front side of the first board 110, the upper part of the second board 120 is connected to the lower part of the first board 110, and the second board 120 is away from the second board 120. One end of the first plate body 110 is provided with a mounting plate 130 for mounting a light source strip, and the mounting plate 130 extends toward a side of the aluminum plastic backing plate 20, and the front side surface 111 of the first plate body is A mounting surface formed by the upper end surface of the second plate body 120 is attached to the lower portion of the aluminum-plastic backing plate 20. The side of the display screen close to the interactive smart tablet is the front side, the side of the display screen away from the interactive smart tablet is the back side, and the upper end of the display screen close to the interactive smart tablet is the upper part, close to the display screen of the interactive smart tablet. The lower end is the lower part. In this embodiment, the light source strip is an LED light strip. The heat dissipation plate 10 is an integrally formed structure and is extruded by aluminum extrusion.

Conventionally, the back plate of the backlight module is an iron back plate, and the heat dissipation plate 10 cannot be externally disposed, otherwise the structural strength of the whole machine is affected, so the heat dissipation plate 10 is generally installed inside the backlight module, and the heat dissipation effect is poor. . In the heat dissipation board mounting structure of the interactive smart tablet according to the embodiment, the heat dissipation board 10 includes a first board body 110, a second board body 120 and a mounting board 130. The mounting board 130 is used to install the light source strip to provide a light source, and the first board The mounting surface formed by the front side surface 111 of the body and the upper end surface of the second plate body 120 is attached to the lower portion of the aluminum-plastic backing plate 20, and the heat dissipation plate 10 is disposed on the rear side of the aluminum-plastic backing plate 20, that is, The heat dissipation plate 10 is disposed outside the backlight module, and the structural strength of the aluminum plastic back plate 20 is good, and the first plate body 110 and the second plate body 120 of the heat dissipation plate 10 have a planar structure, the heat dissipation plate 10 and the aluminum plastic When the backboard 20 is installed, the front side 111 of the first board is attached to the rear side of the aluminum-plastic backboard 20, and the heat sink 10 is superimposed on the rear side of the aluminum-plastic backboard 20, and does not affect the whole machine. The structural strength, the mounting structure of the heat dissipation plate 10 is stable, and the heat dissipation plate 10 is externally disposed for heat dissipation, and the heat dissipation effect is good.

Further, as shown in FIG. 3, FIG. 4 and FIG. 6, the front side surface 111 of the first board body is respectively provided with positioning pillars 140 on both sides in the lateral direction, and the aluminum plastic backing board 20 is in two directions in the lateral direction. The side is respectively provided with a positioning hole corresponding to the positioning post 140. By positioning the positioning post 140 on the first plate body 110, the positioning post 140 of the corresponding side can be inserted into the corresponding positioning hole to realize the installation and relative positioning of the heat dissipation plate 10 and the aluminum-plastic backing plate 20, and the heat dissipation plate 10 can be ensured. The mounting precision with the aluminum-plastic backing plate 20 is convenient. In this embodiment, the positioning post 140 is disposed at a lower portion of the first plate body 110 without interfering with other components. One end of the positioning post 140 away from the first plate body 110 is chamfered for easy assembly. The length of the positioning post 140 is the sum of the thicknesses of the aluminum-plastic back sheet 20, the reflective sheet, and the light guide plate. Correspondingly, the reflective sheet and the light guide plate are provided with a positioning groove matched with the positioning post 140. With the above structure, the positioning post 140 can not only facilitate the positioning and installation of the heat dissipation plate 10 and the aluminum-plastic back plate 20, but also fix and limit the reflection plate and the light guide plate. The positioning post 140 can have a diameter of 2-4 mm, and can adapt to the dimensional change of the light guide plate due to impact strength, heat expansion and contraction, and ensure the reliability of the light guide plate.

Further, as shown in FIG. 2, FIG. 4 and FIG. 5, a plurality of fixing posts 150 are disposed on the rear side surface 112 of the first plate body 110. By providing a plurality of fixing posts 150, the heat dissipating plate 10 of the present embodiment can be used as a mounting base for mounting other structural components, thereby achieving a multi-purpose, thereby reducing the components of the whole machine, reducing the thickness of the whole machine, and saving the whole machine cost. In this embodiment, the plurality of the fixing posts 150 are divided into four groups, and the first group of the fixing posts 150 are disposed in the middle of the rear side 112 of the first board for mounting the OC driving board, the second group. The fixing post 150 and the third set of the fixing post 150 are respectively disposed on two sides of the middle of the rear side surface 112 of the first board body, and are respectively used for installing the horns disposed on both sides of the OC driving board in the lateral direction, Four sets of the fixing posts 150 are disposed outside the rear side 112 of the first board for mounting a main board disposed on a side of one of the speakers away from the OC drive board. According to the above structure, the first board 110 can be used as a mounting base, and carries the OC driver board, the speaker and the main board, and can be reduced. Less machine parts, reduce the thickness of the whole machine, save the cost of the whole machine, and the installation position of the OC driver board, speaker and motherboard is reasonable and easy to install. In this embodiment, the fixing column 150 is a fixing stud, the first group of the fixing column 150 includes two fixing columns 150, and the second group of the fixing columns 150 includes four fixing columns 150, and the third group is The fixed post 150 includes four fixed posts 150, and the fourth set of the fixed posts 150 includes four fixed posts 150 that can securely secure corresponding components.

At least one first radium engraving area 160 is disposed on the rear side 112 of the first plate body on the outer circumference of the first group of the fixing posts 150, and the rear side surface 122 of the second board body is spaced apart in the lateral direction. A plurality of second laser engraving regions 170. By providing the first laser engraving area 160, the OC driving board can be connected to the first radium engraving area 160 through the conductive cloth, thereby electrically connecting the OC driving board and the heat dissipating board 10, and the use is safe and reliable. Similarly, by providing the second laser engraving area 170, the OC Source board (liquid crystal panel source driving board) can be connected to the second radium engraving area 170 through the conductive cloth, thereby connecting the OC source board to the ground, and the use is safe and reliable.

Further, as shown in FIG. 2 and FIG. 3, the second plate body 120 is provided with a slot 123 for mounting the light source strip connector in the middle of the lateral direction. By providing the slot 123, the light source strip connector can be conveniently installed to facilitate the outlet, and can function as a limit light source strip. In this embodiment, the light source strip connector is an LED light strip connector. The slot 123 is disposed at a lower end of the second board 120 to facilitate installation and exit of the light source strip connector. Further, as shown in FIG. 3 and FIG. 6 , at least one laterally disposed positioning reference groove 124 is disposed on the front side surface 121 of the second plate body, and the positioning reference groove 124 is configured to provide positioning for the reflective sheet cushion. Benchmark. The reflective sheet cushion may be a silica gel or a foam, etc., for supporting the reflective sheet, and buffering the reflective sheet to protect the reflective sheet. By providing the positioning reference groove 124, the positioning of the reflective film cushion can be provided, and the reflective film cushion can be attached along the edge of the positioning reference groove 124 to facilitate the operation, thereby avoiding the misplacement due to the reference uncertainty. . In this embodiment, the positioning reference grooves 124 are two, and the protection for the reflective sheet is good.

In this embodiment, as shown in FIG. 2, FIG. 4, and FIG. 6, the mounting plate 130 is respectively provided with a first mounting hole 131 on both sides in the lateral direction, and the first mounting hole 131 is used for fixing. The position block of the light guide plate. The limiting block is used to limit the light guide plate to prevent the light guide plate from shaking and crushing the light source strip mounted on the mounting plate 130. By installing the first mounting hole 131, the mounting of the limiting block is facilitated, thereby protecting the light source strip. In this embodiment, the first mounting hole 131 is a countersunk through hole, and is fixedly mounted. After the bolt is fixed, it will not interfere with the outside and the structure is beautiful. As shown in FIG. 4 and FIG. 7 , the two ends of the mounting plate 130 in the lateral direction are respectively provided with notches 132 for engaging with the corner connecting members 3 of the connecting side outer frame 1 and the lower outer frame 2 . In this embodiment, the notch 132 has an "L" shape and matches the assembly corresponding to the corner connector 3. By providing the notch 132, on the one hand, the corner joint 3 is avoided during assembly, and on the other hand, it can also be positioned to facilitate the installation of the heat sink.

In this embodiment, as shown in FIG. 2, FIG. 4 and FIG. 5, the upper end of the first plate body 110 is provided with a reinforcing rib 180 extending away from the side of the aluminum-plastic backing plate 20, thereby strengthening the present The structural strength of the heat dissipation plate 10 of the embodiment prevents the deformation of the heat dissipation plate 10 from causing a close match with the aluminum plastic backing plate 20. The length of the second plate 120 in the lateral direction is greater than the length of the first plate 110 in the lateral direction, and the second plate 120 on each side is 8-15 mm longer than the first plate 110. By setting the length of the second plate body 120 to be longer than the length of the first plate body 110, the plate protruding from the second plate body 120 can also serve as a reinforcing plate to enhance the structure and further increase the structural strength of the heat dissipation plate 10. .

In this embodiment, as shown in FIG. 2, the lower side of the first plate body 110 is provided with a plurality of second mounting holes 113 for mounting the locking connector 4, and one end of the locking connector 4 is The first plate body 110 is connected, and the other end of the locking connector 4 is connected to the lower outer frame 2. The locking connector 4 is used for connecting the heat dissipation plate 10 and the lower outer frame 2 to prevent the optical material inside the module from being closed due to the loosening of the tempered glass, thereby preventing light leakage. By providing a plurality of second mounting holes 113, it is convenient to mount a plurality of locking connectors 4, thereby preventing light leakage. In this embodiment, a plurality of third mounting holes 114 are disposed at intervals between the upper end and the lower end of the first plate body 110 in the lateral direction, and the first bolt is installed in the third mounting hole 114 to make the first The plate body 110 is coupled to the aluminum-plastic backing plate 20, and the heat dissipation plate 10 is mounted on the aluminum-plastic backing plate 20. The lower end of the first plate body 110 is further spaced apart from the lateral direction by a plurality of fourth mounting holes 115. The first plate body 110 and the lower middle frame are fixed by mounting fixing bolts in the fourth mounting hole 115. The connection ensures the reliability of the installation of the heat sink 10.

The heat dissipating board mounting structure of the interactive smart tablet in this embodiment adopts an external mounting structure of the heat dissipating board 10, and the heat dissipating board 10 is mounted on the rear side of the aluminum-plastic backing board 20, which does not affect the external structural strength of the whole machine. The heat dissipating plate 10 has a stable mounting structure, and the heat dissipating plate 10 is externally disposed for heat dissipation, and the heat dissipating effect is good. Further, after the heat dissipating plate 10 is externally disposed, the fixing post 150 is disposed on the first plate body 110, and the heat dissipating is performed. The board 10 can also be used in one piece, and can be used as a mounting base for installing other structural parts while achieving good heat dissipation, reducing parts of the whole machine, reducing the thickness of the whole machine, and saving the whole machine cost; by being on the first board 110 The positioning post 140 is disposed, and the heat dissipating plate 10 and the aluminum-plastic backing plate 20 are conveniently installed and reliable. By installing a plurality of mounting holes on the first plate body 110, the mounting of the heat dissipating plate 10 is facilitated, and the reliability of the mounting of the heat dissipating plate 10 is ensured.

An interactive smart panel includes a light source strip and a heat sink mounting structure of the interactive smart panel described above, and the light source strip is mounted on a side of the mounting board 130 adjacent to the first board 110. The interactive smart tablet includes the heat sink mounting structure of the interactive smart tablet described above, and has the beneficial effects of the heat sink mounting structure of the interactive smart tablet, the whole machine has good strength, stable structure, good heat dissipation effect, and relatively high manufacturing cost. Low and thin.

The technical features of the above-described embodiments may be arbitrarily combined. For the sake of brevity of description, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be considered as the scope of this manual.

The above-described embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A heat sink mounting structure of an interactive smart panel, comprising: a heat sink and an aluminum plastic back panel, the heat sink comprising a first board and a second board, wherein the second board is located at the first a front side of the board body, an upper portion of the second board body is connected to a lower portion of the first board body, and an end of the second board body away from the first board body is provided with a mounting board for mounting a light source strip. The mounting plate extends toward a side of the aluminum-plastic backing plate, and a mounting surface formed by a front side surface of the first plate body and an upper end surface of the second plate body is attached to a lower portion of the aluminum-plastic backing plate installation.
The heat sink mounting structure of the interactive smart tablet according to claim 1 , wherein the front side of the first board body is respectively provided with positioning pillars on two sides in a lateral direction, and the aluminum plastic back board is in a lateral direction The two sides of the two are respectively provided with positioning holes corresponding to the positioning post.
The heat sink mounting structure of the interactive smart tablet according to claim 2, wherein the length of the positioning post is the sum of thicknesses of the aluminum-plastic back sheet, the reflective sheet and the light guide plate.
The heat sink mounting structure of the interactive smart tablet according to claim 1, wherein a plurality of fixing posts are disposed on the rear side of the first board body.
The heat sink mounting structure of the interactive smart tablet according to claim 4, wherein the plurality of fixing pillars are divided into four groups, and the first group of the fixing pillars are disposed at a middle of a rear side of the first panel For mounting an OC drive board, the second set of the fixed post and the third set of the fixed post are respectively disposed on two sides of the middle of the rear side of the first board, and are respectively installed and disposed on the OC drive board. The horns on both sides of the card in the lateral direction are disposed on the outer side of the rear side of the first board for mounting the main board disposed on one side of the OC drive board.
The heat sink mounting structure of the interactive smart tablet according to claim 5, wherein at least one first laser engraving area is disposed on an outer circumference of the first group of the fixing posts on a rear side of the first board body, A plurality of second laser engraving regions are disposed on the rear side surface of the second plate body in the lateral direction.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein the second plate body is provided with a slot for mounting the light source strip connector in a middle portion of the lateral direction.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein the mounting plate is respectively provided with a first mounting hole on both sides in the lateral direction, the first installation The hole is for fixing the limiting block for limiting the light guide plate.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein each of the two ends of the mounting board in the lateral direction is provided with a notch, and the notch is used for connecting the side frame. Fits with the corner connector of the lower frame.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein at least one laterally disposed positioning reference groove is disposed on the front side of the second board body, and the positioning reference is provided. The slot is used to provide a positioning reference for the reflector cushion.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein the upper end of the first board body is provided with a reinforcing rib extending away from a side of the aluminum plastic back board. Bit.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein a length of the second board in a lateral direction is greater than a length of the first board in a lateral direction, and each The second plate body is 8-15 mm longer than the first plate body.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein the lower side of the first board body is provided with a plurality of second mounting holes for mounting the locking connectors. One end of the locking connector is connected to the first plate body, and the other end of the locking connector is connected to the lower outer frame.
The heat sink mounting structure of the interactive smart tablet according to any one of claims 1 to 6, wherein the heat dissipation plate is an integrally formed structure.
An interactive smart tablet, comprising: a light source strip; and a heat sink mounting structure of the interactive smart panel according to any one of claims 1 to 14, wherein the light source strip is mounted on the mounting board near the first board On the side of the body.