Display screen assembly and vehicle-mounted entertainment display screen

Abstract

The utility model relates to the technical field of vehicle-mounted entertainment display screens, in particular to a display screen assembly and a vehicle-mounted entertainment display screen. The display screen assembly comprises a screen assembly, a rear shell and an antenna, the screen assembly is installed on one side of the rear shell, a protruding structure is arranged on the side, opposite to the screen assembly, of the rear shell, an antenna fixing part used for installing the antenna is arranged on the inner wall of the protruding structure, and the antenna is installed on the antenna fixing part. The antenna provided by the utility model is convenient to assemble, few in assembly procedures and convenient to overhaul, and reduces the economic cost.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile on-board entertainment display screens, in particular to a display screen component and an on-board entertainment display screen. Background Art

[0002] The in-vehicle host is an important component in the in-vehicle infotainment system. The existing in-vehicle entertainment display screen has a complex structure, and the antenna installation position is not fixed, which makes installation difficult and affects assembly efficiency. The antenna of some models needs to be fixed with screws. At the same time, some models install the antenna inside the product and connect it to the 4G receiving line installed outside the car through a socket, which increases the cost of the 4G antenna module economically and may cause poor antenna signal due to signal interference caused by the product's own wall thickness. In addition, the existing in-vehicle entertainment display screen also has difficulties in heat dissipation and cannot meet the heat dissipation requirements of the entire machine. Utility Model Content

[0003] The utility model aims to provide a display screen assembly and a vehicle-mounted entertainment display screen, so as to alleviate the problems of difficult antenna assembly of the existing vehicle-mounted entertainment display screen, multiple assembly processes and poor signal after installation.

[0004] In order to solve the above technical problems, the technical solution provided by the utility model is:

[0005] In a first aspect, the utility model provides a display screen assembly, comprising: a screen assembly, a rear shell and an antenna, wherein the screen assembly is mounted on one side of the rear shell, a protruding structure is provided on the side of the rear shell opposite to the screen assembly, an antenna fixing portion for mounting the antenna is provided on an inner wall of the protruding structure, and the antenna is mounted on the antenna fixing portion.

[0006] Furthermore, the antenna includes a 4G main antenna, a BT antenna and a 4G auxiliary antenna, the antenna fixing part includes a first antenna part, a second antenna part and a third antenna part, the first antenna part and the second antenna part are both arranged on the first inner wall of the protruding structure, the third antenna part is arranged on the second inner wall of the protruding structure, the second inner wall is perpendicular to the first inner wall, the 4G main antenna is arranged on the first antenna part, the BT antenna is arranged on the second antenna part, and the 4G auxiliary antenna is arranged on the third antenna part.

[0007] Furthermore, the 4G main antenna, the BT antenna and the 4G auxiliary antenna are all provided with adhesive backing, and the 4G main antenna, the BT antenna and the 4G auxiliary antenna are all attached to the corresponding antenna fixing part through the adhesive backing.

[0008] Furthermore, the rear shell is made of plastic material.

[0009] Furthermore, it also includes a finished circuit board and a heat sink, both of which are installed on the back shell, the protruding structure is provided with a positioning column, the finished circuit board is provided with a first positioning hole that cooperates with the positioning column, and the heat sink is provided with a second positioning hole that cooperates with the positioning column.

[0010] Furthermore, a screw column is provided in the middle of the protruding structure, the finished circuit board is provided with a first mounting hole cooperating with the screw column, and the heat sink is provided with a second mounting hole cooperating with the screw column.

[0011] Furthermore, the heat sink is provided with a plurality of heat dissipation bosses which are in contact with the heat dissipation source on the finished circuit board.

[0012] Furthermore, the heat sink is provided with a plurality of heat dissipation ribs, and the heat dissipation ribs and the heat dissipation bosses are arranged on two opposite sides of the heat sink.

[0013] Furthermore, the heat sink is provided with a avoiding structure at the antenna fixing portion.

[0014] In a second aspect, the utility model provides a vehicle-mounted entertainment display screen, comprising the display screen assembly described in the first aspect.

[0015] The utility model brings at least the following beneficial effects:

[0016] The utility model provides a display screen assembly, comprising: a screen assembly, a rear shell and an antenna, wherein the screen assembly is installed on one side of the rear shell, a protruding structure is provided on the side of the rear shell opposite to the screen assembly, an antenna fixing portion for installing the antenna is provided on the inner wall of the protruding structure, and the antenna is installed on the antenna fixing portion.

[0017] The antenna is installed on the antenna fixing part of the inner wall of the protruding structure on the rear shell. The antenna is easy to assemble, with fewer assembly steps and easy maintenance. The antenna is installed on the outside of the product to avoid signal interference caused by the thickness of the product itself. The antenna signal is better than that installed on the inside of the product and reduces economic costs. At the same time, because the antenna receiving line in the car is cancelled, the risk of poor antenna signal caused by damage to this module is avoided.

[0018] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the related technologies, the drawings required for use in the specific implementation methods or the related technical descriptions will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 An exploded view of the display screen assembly provided in Embodiment 1 of the present utility model;

[0021] Figure 2 A schematic diagram of the antenna provided in the first embodiment of the utility model being installed on the rear housing;

[0022] Figure 3 A schematic diagram of the structure of the rear housing provided in the first embodiment of the utility model;

[0023] Figure 4 The structure of the heat sink provided in the first embodiment of the utility model is shown in FIG. Figure 1 ;

[0024] Figure 5 The structure of the heat sink provided in the first embodiment of the utility model is shown in FIG. Figure 2 ;

[0025] Figure 6 This is a schematic structural diagram of a finished circuit board provided in Embodiment 1 of the utility model.

[0026] icon:

[0027] 100-screen assembly; 200-back shell; 210-protruding structure; 211-positioning column; 212-screw column; 300-antenna; 310-4G main antenna; 320-BT antenna; 330-4G auxiliary antenna; 410-first antenna part; 420-second antenna part; 430-third antenna part; 500-finished circuit board; 510-first positioning hole; 520-first mounting hole; 600-heat sink; 610-second positioning hole; 620-second mounting hole; 630-heat dissipation boss; 640-heat dissipation rib; 700-battery. DETAILED DESCRIPTION

[0028] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0030] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. Physical quantities in formulas, if not separately marked, should be understood as basic quantities of the basic units of the International System of Units, or derived quantities derived from basic quantities through mathematical operations such as multiplication, division, differentiation or integration.

[0031] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0032] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0034] Embodiment 1

[0035] The existing in-car entertainment display screen has a complex structure, and the antenna installation position is not fixed, which makes installation difficult and affects assembly efficiency. The antenna of some models needs to be fixed with screws, while some models install the antenna inside the product and connect it to the 4G receiving line installed outside the car through a socket, which increases the cost of the 4G antenna module and may cause poor antenna signal due to signal interference caused by the product's own wall thickness.

[0036] In view of this, an embodiment of the utility model provides a display screen assembly, including: a screen assembly 100, a rear shell 200 and an antenna 300, the screen assembly 100 is installed on one side of the rear shell 200, a protruding structure 210 is provided on the side of the rear shell 200 opposite to the screen assembly 100, the inner wall of the protruding structure 210 is provided with an antenna fixing part for installing the antenna 300, and the antenna 300 is installed on the antenna fixing part.

[0037] See also Figure 1 The screen assembly 100 includes a touch screen and a display screen, and the rear shell 200 includes a portion that is bonded to the screen assembly 100. The screen assembly 100 and the rear shell 200 are connected by hot melt adhesive dispensing. The antenna 300 is installed on the antenna fixing portion of the inner wall of the protruding structure 210 on the rear shell 200. The antenna 300 is easy to assemble, has few assembly steps, and is easy to maintain. The antenna 300 is installed on the outside of the product to avoid signal interference caused by the wall thickness of the product itself. The signal of the antenna 300 is better than that of the antenna installed on the inside of the product, and the economic cost is reduced. At the same time, because the antenna receiving line in the car is cancelled, the risk of poor signal of the antenna 300 caused by damage to this module is avoided.

[0038] In an optional manner of this embodiment, the antenna 300 includes a 4G main antenna 310, a BT antenna 320 and a 4G auxiliary antenna 330, the antenna fixing portion includes a first antenna portion 410, a second antenna portion 420 and a third antenna portion 430, the first antenna portion 410 and the second antenna portion 420 are both arranged on the first inner wall of the protruding structure 210, the third antenna portion 430 is arranged on the second inner wall of the protruding structure 210, the second inner wall is perpendicular to the first inner wall, the 4G main antenna 310 is arranged on the first antenna portion 410, the BT antenna 320 is arranged on the second antenna portion 420, and the 4G auxiliary antenna 330 is arranged on the third antenna portion 430.

[0039] See also Figure 2 and Figure 3 , the back shell 200 is not provided with other structures at the mounting position of the antenna 300, so as to avoid affecting the mounting effect of the antenna 300. The 4G main antenna 310, the BT antenna 320 and the 4G auxiliary antenna 330 are all provided with adhesive backing, and the 4G main antenna 310, the BT antenna 320 and the 4G auxiliary antenna 330 are all attached to the corresponding antenna fixing part through the adhesive backing. The first antenna part 410, the second antenna part 420 and the third antenna part 430 are all provided with a position that fits with the corresponding antenna 300, and the adhesive backing is selected to be firmly attached, and the antenna 300 is fastened and attached through the adhesive backing and the attachment position.

[0040] In an optional manner of this embodiment, the rear shell 200 is made of plastic material.

[0041] The back cover 200 is made of plastic, which can prevent metal materials from interfering with the antenna 300 signal and does not affect the use effect of the antenna 300.

[0042] In an optional manner of this embodiment, the display screen assembly also includes a finished circuit board 500 and a heat sink 600, both of which are installed on the rear shell 200, the protruding structure 210 is provided with a positioning column 211, the finished circuit board 500 is provided with a first positioning hole 510 that cooperates with the positioning column 211, and the heat sink 600 is provided with a second positioning hole 610 that cooperates with the positioning column 211.

[0043] See also Figure 4 , Figure 5 and Figure 6 The protruding structure 210 of the rear shell 200 is provided with a positioning column 211, the finished circuit board 500 and the heat sink 600 are installed on the rear shell 200, and the positioning column 211 is inserted into the first positioning hole 510 of the finished circuit board 500 and the second positioning hole 610 of the heat sink 600.

[0044] Furthermore, a screw column 212 is provided in the middle of the protruding structure 210 , the finished circuit board 500 is provided with a first mounting hole 520 that cooperates with the screw column 212 , and the heat sink 600 is provided with a second mounting hole 620 that cooperates with the screw column 212 .

[0045] The first mounting hole 520 and the second mounting hole 620 have the same size and are concentric. After positioning by the positioning column 211, the first positioning hole 510 and the second positioning hole 610, the finished circuit board 500, the heat sink 600 and the rear housing 200 are fixed by the screw column 212, the first mounting hole 520 and the second mounting hole 620.

[0046] In an optional manner of this embodiment, the heat sink 600 is provided with a plurality of heat dissipation bosses 630 that are in contact with the heat dissipation source on the finished circuit board 500 .

[0047] See also Figure 4 and Figure 6 The finished circuit board 500 includes a heat dissipation MCU, a core heat dissipation chip and a heat dissipation IC. The heat sink 600 is provided with three heat dissipation bosses 630 respectively matching the three. Figure 5 The heat sink 600 is also provided with a plurality of heat dissipation ribs 640 , and the heat dissipation ribs 640 and the heat dissipation bosses 630 are arranged on two opposite sides of the heat sink 600 .

[0048] The heat dissipation boss 630 and the heat dissipation ribs 640 evenly distributed outside the heat source form a good heat dissipation structure. The heat dissipation components on the finished circuit board 500 transfer heat to the heat sink 600 through the thermal grease, and the heat sink 600 then uses its own heat dissipation structure to dissipate the heat, thereby improving the heat dissipation of the all-in-one machine, thereby meeting the performance requirements of the all-in-one machine, and having the advantages of beautiful products and small space occupation.

[0049] In an optional manner of this embodiment, the heat sink 600 is provided with a avoiding structure at the antenna fixing portion.

[0050] The heat sink 600 is avoided at the mounting position of the antenna 300 to avoid interference of metal materials on the signal strength of the antenna 300, and the heat dissipation boss 630 and the heat dissipation rib 640 reduce structural interference at the mounting position of the antenna 300, facilitating the assembly of the antenna 300.

[0051] The assembly process of the display screen assembly of this embodiment is as follows:

[0052] First, fit the screen assembly 100 to the rear shell 200. The rear shell 200 is provided with a screw column 212 and a positioning column 211, and the finished circuit board 500 is matched to the exact position of the rear shell 200 through the cooperation of the first positioning hole 510 and the positioning column 211. Then, the 4G main antenna 310, the BT antenna 320 and the 4G auxiliary antenna 330 are respectively mounted on the first antenna part 410, the second antenna part 420 and the third antenna part 430 of the protruding structure 210, and the installation is checked. Then, the heat sink 600 is matched to the exact position of the rear shell 200 through the cooperation of the second positioning hole 610 and the positioning column 211, and the rear shell 200, the finished circuit board 500 and the heat sink 600 are fixed with screws through the screw column 212. Finally, the battery 700 is fixed to the heat sink 600 with screws.

[0053] Embodiment 2

[0054] This embodiment provides a vehicle-mounted entertainment display screen, including the display screen assembly of Embodiment 1. Since the vehicle-mounted entertainment display screen includes all the structures of the display screen assembly, it has all the beneficial effects of Embodiment 1, which will not be described in detail here.

[0055] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A display screen assembly, characterized in that: include: A screen assembly, a rear shell and an antenna, wherein the screen assembly is mounted on one side of the rear shell, a protruding structure is provided on the side of the rear shell opposite to the screen assembly, an antenna fixing portion for mounting the antenna is provided on the inner wall of the protruding structure, and the antenna is mounted on the antenna fixing portion.

2. The display screen assembly according to claim 1, characterized in that: The antenna includes a 4G main antenna, a BT antenna and a 4G auxiliary antenna, the antenna fixing part includes a first antenna part, a second antenna part and a third antenna part, the first antenna part and the second antenna part are both arranged on the first inner wall of the protruding structure, the third antenna part is arranged on the second inner wall of the protruding structure, the second inner wall is perpendicular to the first inner wall, the 4G main antenna is arranged on the first antenna part, the BT antenna is arranged on the second antenna part, and the 4G auxiliary antenna is arranged on the third antenna part.

3. The display screen assembly according to claim 2, characterized in that: The 4G main antenna, the BT antenna and the 4G auxiliary antenna are all provided with adhesive backing, and the 4G main antenna, the BT antenna and the 4G auxiliary antenna are all attached to the corresponding antenna fixing part through the adhesive backing.

4. The display screen assembly according to claim 1, characterized in that: The rear shell is made of plastic material.

5. The display screen assembly according to any one of claims 1 to 4, characterized in that: It also includes a finished circuit board and a heat sink, both of which are installed on the rear shell, the protruding structure is provided with a positioning column, the finished circuit board is provided with a first positioning hole that cooperates with the positioning column, and the heat sink is provided with a second positioning hole that cooperates with the positioning column.

6. The display screen assembly according to claim 5, characterized in that: A screw column is provided in the middle of the protruding structure, the finished circuit board is provided with a first mounting hole matched with the screw column, and the heat sink is provided with a second mounting hole matched with the screw column.

7. The display screen assembly according to claim 5, characterized in that: The heat sink is provided with a plurality of heat dissipation bosses which are in contact with the heat dissipation source on the finished circuit board.

8. The display screen assembly according to claim 7, characterized in that: The heat sink is provided with a plurality of heat dissipation ribs, and the heat dissipation ribs and the heat dissipation bosses are arranged on two opposite sides of the heat sink.

9. The display screen assembly according to claim 5, characterized in that: The heat sink is provided with a avoiding structure at the antenna fixing portion.

10. An in-vehicle entertainment display screen, characterized in that: The invention comprises the display screen assembly according to any one of claims 1 to 9.

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