CN216388589U - Display assembly and vehicle-mounted display - Google Patents

Abstract

The utility model relates to a display assembly and a vehicle-mounted display, wherein the display assembly comprises a display screen, an anti-static screen cloth and a rear cover, wherein: the rear cover is fixed on the display screen and is provided with a heat dissipation hole; the antistatic net cloth covers the heat dissipation holes. This lid behind display module has the louvre for display module's heat dissipation will prevent that static screen cloth cover from locating on the louvre, prevents that impurity such as dust from getting into display module, and prevent that static screen cloth has and prevent the static additive, can effectively prevent static to display module's influence, effectively improves display module's dustproof grade and prevents the ESD performance, and realizes on-vehicle display module's lightweight design, improves display module's anti-vibration performance.

Description

Display assembly and vehicle-mounted display

Technical Field

The utility model relates to the technical field of vehicle-mounted electronic equipment application, in particular to a display assembly and a vehicle-mounted display.

Background

With the continuous development of the automobile industry and the vehicle-mounted electronic products, the vehicle-mounted display is widely equipped in various vehicle models to meet the requirements of different users at present as a highly integrated intelligent vehicle-mounted all-round multimedia entertainment, because the vehicle-mounted display has various functions such as GPS (Global Positioning System) satellite navigation, vehicle information and fault diagnosis, and mobile office and industrial applications. Due to different use environments of vehicles, how to improve the dustproof and ESD (Electro-Static Discharge) resistance performance under different working conditions is very important.

In the prior art, a metal mesh enclosure is usually added outside a display to improve the dust-proof performance of a vehicle-mounted display, and an ESD-proof coating is coated on a display shell or the metal mesh enclosure to improve the ESD-proof performance of the vehicle-mounted display, but the metal mesh enclosure has a lower dust-proof level, can increase the weight of the vehicle-mounted display, has poor vibration resistance, and can improve the manufacturing cost of the vehicle-mounted display in a form of combining the dust-proof metal mesh enclosure with the ESD-proof coating.

SUMMERY OF THE UTILITY MODEL

Accordingly, it is desirable to provide a display module and an in-vehicle display, which can solve the problems of low dustproof level and poor ESD protection performance of the in-vehicle display.

The utility model provides a display module, includes the display screen, prevents static screen cloth and back lid, wherein:

the rear cover is fixed on the display screen and is provided with a heat dissipation hole;

the anti-static mesh is covered on the heat dissipation holes.

According to the display assembly, the rear cover is fixed on the display screen and provided with the heat dissipation holes for heat dissipation of the display assembly, the anti-static screen cloth is covered on the heat dissipation holes, so that impurities such as dust are prevented from entering the display assembly, and the influence of static electricity on the display assembly can be effectively prevented; the display assembly can effectively improve the dustproof grade and the ESD (electro-static discharge) prevention performance, realizes the lightweight design of the vehicle-mounted display assembly, and improves the anti-vibration performance of the display assembly.

In one embodiment, the anti-static mesh cloth comprises cloth fibers and anti-static additives uniformly arranged on the cloth fibers, and the anti-static mesh cloth is adhered to the rear cover and covers the heat dissipation holes.

In one embodiment, the antistatic mesh cloth is adhered to the back cover by one of double-sided adhesive tape and epoxy resin adhesive.

In one embodiment, a glue layer is arranged between the anti-static mesh cloth and the back cover, and the thickness of the glue layer is 1/3-2/3 of the thickness of the anti-static mesh cloth.

In one embodiment, the thickness of the antistatic mesh cloth is 0.01mm-0.5 mm.

In one embodiment, the mesh shape of the antistatic mesh cloth is one or more of a circle, a triangle and a quadrangle.

In one embodiment, still include be fixed in the PCBA board on the display screen, the PCBA board has a plurality of bosss, the antistatic net cloth all corresponds with to offer with the back lid and holds the through-hole of boss.

In one embodiment, the display screen is provided with a panel and a plurality of first side plates, wherein the panel is arranged opposite to the rear cover, and the first side plates are arranged on the panel in an enclosing manner; the rear cover is provided with a bottom plate and a plurality of second side plates, the bottom plate is opposite to the display screen, the heat dissipation holes are distributed in the bottom plate, the second side plates are arranged on the bottom plate in a surrounding mode, and the first side plates are correspondingly fixed on the second side plates.

In one embodiment, a plurality of buckles are distributed on the first side plate at intervals, and clamping grooves corresponding to the buckles are distributed on the second side plate at intervals.

A vehicle-mounted display comprises a support and the display assembly according to any one of the above technical schemes, wherein the display assembly is mounted on the support.

According to the vehicle-mounted display, the display assembly is fixed on the support to realize the installation and fixation of the display assembly, the rear cover is fixed on the display screen and provided with the heat dissipation holes for heat dissipation of the display assembly, the anti-static screen is covered on the heat dissipation holes, so that impurities such as dust are prevented from entering the display assembly, and the influence of static electricity on the display assembly can be effectively prevented; the vehicle-mounted display can effectively improve the dustproof grade and the ESD (electro-static discharge) prevention performance, realizes the lightweight design of the vehicle-mounted display, and improves the anti-vibration performance of the vehicle-mounted display.

Drawings

FIG. 1 is a schematic structural diagram of a display module according to the present invention;

FIG. 2 is a schematic view of an antistatic mesh in one embodiment;

fig. 3 is a schematic structural view of an antistatic mesh fabric according to another embodiment.

Reference numerals

100. A display component;

110. a display screen; 111. a panel; 112. a first side plate; 113. buckling;

120. antistatic mesh cloth; 121. mesh openings; 122. a through hole;

130. a rear cover; 131. heat dissipation holes; 132. a base plate; 133. a second side plate;

140. PCBA board; 141. and (4) a boss.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical scheme provided by the embodiment of the utility model is described below by combining the accompanying drawings.

As shown in fig. 1, the present invention provides a display assembly 100, which includes a display screen 110, an antistatic mesh 120 and a rear cover 130, wherein:

the rear cover 130 is fixed to the display screen 110 by screwing, clipping, etc., and the rear cover 130 has a heat dissipation hole 131 for dissipating heat inside the display module 100. It should be noted that the size and position of the heat dissipation hole 131 can be designed according to the size of the display module 100 and the working conditions such as the internal heat dissipation requirement. In addition, the heat dissipation hole 131 may be integrally formed with the rear cover 130 by molding, extruding, or the like, or the heat dissipation hole 131 may be formed by opening the rear cover 130 with other auxiliary tools, and the specific forming method of the heat dissipation hole 131 is not limited in the present invention.

The anti-static mesh 120 is covered on the heat dissipation hole 131 by gluing, pressing, etc. to prevent impurities such as external dust from entering the display module 100 through the heat dissipation hole 131, resulting in failure due to short circuit inside the display module 100.

In the display module 100, the rear cover 130 is fixed on the display screen 110, the rear cover 130 has the heat dissipation holes 131 for dissipating heat of the display module 100, and the anti-static mesh 120 is covered on the heat dissipation holes 131 to prevent impurities such as dust from entering the display module 100 and effectively prevent static electricity from affecting the display module 100; the display assembly 100 can effectively improve the dustproof grade and the ESD (electro-static discharge) prevention performance, realize the lightweight design of the vehicle-mounted display assembly 100 and improve the anti-vibration performance of the display assembly 100.

In order to further improve the dustproof grade and the ESD protection performance of the display assembly 100, in a preferred embodiment, as shown in fig. 1, the anti-static mesh 120 includes fabric fibers and an anti-static additive, and the anti-static additive can be uniformly disposed in the fabric fibers by embedding, bonding, and the like. Specifically, the anti-static additive may be conductive fibers or other additives capable of preventing static electricity, so as to improve the ESD resistance of the display assembly 100, solve the problem of shaking of the display screen 110 due to excessively high ESD, and effectively improve the vibration resistance of the display assembly 100. When the display assembly 100 is grounded, the static electricity on the anti-static mesh 120 can be neutralized by the corona discharge of the conductive fibers and can also be discharged to the outside by the conductive fibers; when the display assembly 100 is not grounded, the display assembly 100 eliminates static electricity attached to the inside of the display assembly 100 by means of weak corona discharge of the conductive fibers.

In addition, the antistatic mesh cloth 120 is fixed on the rear cover 130 in a bonding manner, so that the antistatic mesh cloth 120 is convenient to detach and replace; the anti-static mesh cloth 120 covers the heat dissipation holes 131, wherein the anti-static mesh cloth 120 can cover all the heat dissipation holes 131, so that impurities such as external dust can be prevented from entering the display assembly 100 through the heat dissipation holes 131 to the greatest extent, the display assembly 100 is prevented from being failed due to short circuit, and the dustproof grade and the anti-ESD performance of the display assembly 100 are effectively improved; the anti-static mesh 120 may also cover a portion of the heat dissipation holes 131, so as to save the usage of the anti-static mesh 120 and further save the manufacturing cost of the display assembly 100.

Specifically, in one embodiment, the anti-static mesh 120 is adhered to the rear cover 130 by a double-sided adhesive tape, so as to realize adhesion and fixation of the anti-static mesh 120, and the anti-static mesh 120 can cover the heat dissipation hole 131, thereby improving the dustproof grade and the anti-ESD performance of the display assembly 100. In another embodiment, the anti-static mesh 120 is adhered to the rear cover 130 by epoxy glue, so as to realize adhesion and fixation of the anti-static mesh 120, and the anti-static mesh 120 can cover the heat dissipation holes 131, thereby improving the dustproof grade and the anti-ESD performance of the display assembly 100. In the above two embodiments, the anti-static mesh 120 is bonded to the rear cover 130 by a double-sided adhesive tape or an epoxy adhesive tape, so that the anti-static mesh 120 can be conveniently detached and replaced, and the anti-static mesh 120 does not wear the rear cover 130 when detached or replaced. Certainly, the anti-static mesh cloth 120 is not limited to be adhered to the back cover 130 by the double-sided adhesive tape or the epoxy resin adhesive provided in the above embodiment, and other adhesives capable of adhering the anti-static mesh cloth 120 and the back cover 130 may be used, so long as the adhesive has a wide temperature range, and the specific type of the adhesive is not limited in the present invention.

In order to improve the heat dissipation effect and the dustproof grade of the display assembly 100, specifically, as shown in fig. 1, a glue layer is disposed between the anti-static mesh 120 and the rear cover 130, and the glue layer can be used as a sealing layer to prevent dust from entering the display assembly 100 through a gap between the anti-static mesh 120 and the rear cover 130, which may cause a short circuit inside the display assembly 100 and cause failure; and the thickness of the adhesive layer is 1/3-2/3 of the thickness of the antistatic mesh cloth 120, and at the moment, a gap is formed between the antistatic mesh cloth 120 and the heat dissipation hole 131, so that the heat dissipation of the display assembly 100 is facilitated. Specifically, the thickness of the glue layer may be 1/3, 1/2, 2/3, which is the thickness of the antistatic mesh 120, and of course, the thickness of the glue layer is not limited to the above range, and the thickness of the glue layer may also be other thicknesses, such as: the glue line thickness is the same with antistatic screen cloth 120 thickness, can specifically set up according to the actual demand, only needs to satisfy antistatic screen cloth 120 can bond on back lid 130 to have the clearance between antistatic screen cloth 120 and the louvre 131 can. It should be noted that, when the thickness of the glue layer is too large, the display module 100 is affected by the operating temperature, the environment and other factors during the long-time use, which easily causes the falling of the glue layer, and then the anti-static mesh 120 falls from the rear cover 130, which causes the display module 100 to fail to achieve the dustproof and anti-ESD effects, therefore, when the glue layer is disposed, the thickness of the glue layer should not be too large.

In order to make the anti-static mesh cloth 120 satisfy various working conditions, a preferred embodiment is shown in fig. 1, the thickness of the anti-static mesh cloth 120 is 0.01mm to 0.5mm, when the thickness of the anti-static mesh cloth 120 is smaller, the weight of the display assembly 100 can be further reduced, the light weight design of the display assembly 100 is realized, and when the thickness of the anti-static mesh cloth 120 is larger, the anti-static mesh cloth is suitable for a higher temperature working condition environment, and the durability of the display assembly 100 is improved. Specifically, the thickness of the anti-static mesh 120 may be 0.01mm, 0.05mm, 0.1mm, 0.15mm, 0.2mm, 0.25mm, 0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, although the thickness of the anti-static mesh 120 is not limited to the above range, and may be other values within the range of 0.01mm to 0.5 mm. In addition, the thickness of the anti-static mesh cloth 120 is not limited to the above thickness range, and the thickness of the anti-static mesh cloth 120 may be set according to the specific working condition of the anti-static mesh cloth 120.

In order to prevent various impurities such as dust from entering the display module 100 through the heat dissipation holes 131, in a preferred embodiment, as shown in fig. 2 and 3, the mesh openings 121 of the anti-static mesh cloth 120 are one or more of circular, triangular and quadrilateral, and when the mesh openings 121 of the same shape are formed on the surface of the anti-static mesh cloth 120, the manufacturing process can be simplified, and the manufacturing cost can be saved; when the surface of the anti-static mesh cloth 120 is provided with the meshes 121 in various shapes, the meshes 121 in various shapes can prevent dust from entering the display module 100 through the heat dissipation holes 131 to the greatest extent due to the fact that the dust and other impurities are irregular granular solids, and the short circuit inside the display module 100 is caused to fail. In one embodiment, as shown in fig. 2, the mesh openings 121 of the anti-static mesh 120 are circular and triangular, and the circular and triangular openings are evenly distributed on the surface of the anti-static mesh 120. In another embodiment, as shown in fig. 3, the mesh 121 of the anti-static mesh 120 is a composite of three shapes, i.e., a circle, a triangle and a quadrilateral, and the circle, the triangle and the quadrilateral are uniformly distributed on the surface of the anti-static mesh 120 at intervals. Of course, the shape of the mesh 121 of the anti-static mesh cloth 120 is not limited to the above-mentioned circular shape, triangular shape and quadrilateral shape, and may also be hexagonal shape, irregular shape and the like, and may be set according to the specific working condition of the display assembly 100, and the utility model is not limited thereto.

In order to facilitate the installation and fixation of the anti-static mesh cloth 120, in a preferred embodiment, as shown in fig. 1, fig. 2 and fig. 3, the display Assembly 100 further includes a PCBA Board 140(Printed Circuit Board Assembly), and the PCBA Board 140 is fixed on the display screen 110 by means of clamping, embedding, and the like, and is used for driving the display screen 110 to work. The PCBA board 140 has a plurality of bosses 141, and the antistatic mesh cloth 120 and the rear cover 130 are both provided with through holes 122 for accommodating the bosses 141, and the bosses 141 can be arranged in the through holes 122 in a penetrating manner, so as to realize the positioning and installation of the antistatic mesh cloth 120. It should be noted that the boss 141 can penetrate the rear cover 130 to the outside, and electrical components are disposed in the boss 141 to achieve electrical conduction of the PCBA board 140.

In order to realize the fixed connection between the rear cover 130 and the display screen 110, as shown in fig. 1, in a preferred embodiment, the display screen 110 has a panel 111 and a plurality of first side plates 112, the panel 111 is disposed opposite to the rear cover 130, and the plurality of first side plates 112 are enclosed on the panel 111 by welding, wherein the plurality of first side plates 112 may also be integrally formed with the panel 111 by molding, extruding, or the like. The rear cover 130 has a bottom plate 132 and a plurality of second side plates 133, the bottom plate 132 is disposed opposite to the display screen 110, and the plurality of second side plates 133 are enclosed on the panel 111 by welding, wherein the plurality of second side plates 133 and the bottom plate 132 may be integrally formed by molding, extruding, and the like.

The plurality of first side plates 112 are correspondingly fixed to the plurality of second side plates 133 in a clamping manner, specifically, as shown in fig. 1, a plurality of fasteners 113 are distributed on the first side plates 112 at intervals, and card slots (not shown) corresponding to the fasteners 113 are distributed on the second side plates 133 at intervals, so that the display screen 110 and the rear cover 130 can be fixedly mounted and dismounted by the mutual matching of the fasteners 113 and the card slots, and the display screen 110 and the rear cover 130 are conveniently and fixedly mounted and dismounted. It should be noted that the first side plate 112 is not limited to be fixed on the second side plate 133 in a snap-fit manner as provided in the above embodiment, and the first side plate 112 may also be fixed on the second side plate 133 in a screw-joint manner, so as to indirectly achieve the mounting and fixing of the display screen 110 and the rear cover 130.

In addition, the present invention further provides an on-board display, which includes a bracket (not shown) and the display module 100 according to any of the above technical solutions, wherein the display module 100 is mounted on the bracket, and the display module 100 is mounted and fixed in the vehicle.

In the vehicle-mounted display, the display assembly 100 is fixed on the bracket to realize the installation and fixation of the display assembly 100, the rear cover 130 is fixed on the display screen 110, the rear cover 130 is provided with the heat radiation holes 131 for the heat radiation of the display assembly 100, and the anti-static mesh cloth 120 is covered on the heat radiation holes 131 to prevent impurities such as dust from entering the display assembly 100 and effectively prevent the influence of static electricity on the display assembly 100; the vehicle-mounted display can effectively improve the dustproof grade and the ESD (electro-static discharge) prevention performance, realizes the lightweight design of the vehicle-mounted display, and improves the anti-vibration performance of the vehicle-mounted display.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The utility model provides a display module, its characterized in that, includes the display screen, prevents static screen cloth and back lid, wherein:

the rear cover is fixed on the display screen and is provided with a heat dissipation hole;

the anti-static mesh is covered on the heat dissipation holes.

2. The display assembly of claim 1, wherein the anti-static mesh is adhered to the rear cover and covers the heat dissipation hole.

3. The display assembly of claim 2, wherein the anti-static mesh is adhered to the rear cover by one of a double-sided tape and an epoxy adhesive.

4. The display assembly of claim 3, wherein a glue layer is disposed between the anti-static mesh and the rear cover, and the glue layer has a thickness 1/3-2/3 of the thickness of the anti-static mesh.

5. The display assembly of claim 1, wherein the antistatic mesh has a thickness of 0.01mm to 0.5 mm.

6. The display assembly of claim 1, wherein the mesh shape of the antistatic mesh cloth is one or more of a circle, a triangle, and a quadrilateral.

7. The display assembly of claim 1, further comprising a PCBA fixed to the display screen, wherein the PCBA has a plurality of bosses, and the anti-static mesh and the rear cover are both provided with through holes for accommodating the bosses.

8. The display assembly of claim 1, wherein the display screen has a panel disposed opposite to the rear cover and a plurality of first side plates, the plurality of first side plates being enclosed on the panel; the rear cover is provided with a bottom plate and a plurality of second side plates, the bottom plate is opposite to the display screen, the heat dissipation holes are distributed in the bottom plate, the second side plates are arranged on the bottom plate in a surrounding mode, and the first side plates are correspondingly fixed on the second side plates.

9. The display assembly of claim 8, wherein the first side plate has a plurality of spaced apart clips, and the second side plate has spaced apart slots corresponding to the clips.

10. A vehicle display comprising a support and a display assembly as claimed in any one of claims 1 to 9 mounted on said support.

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