CN216487097U - LED display device and rear shell thereof - Google Patents

Abstract

The utility model provides an LED display device and a rear shell thereof, wherein the rear shell of the LED display device comprises: a rear wall; the side walls are arranged around the edge of the rear wall and positioned on the front side of the rear wall; the heat dissipation groove is arranged on the rear surface of the rear wall, and two ends of the heat dissipation groove in the length direction are respectively connected with two adjacent side walls; the heat dissipation hole is arranged in the heat dissipation groove. The technical scheme of this application can solve the problem that the heat in the correlation technique is not in time discharged and can influence the life of the inside spare part of LED display device effectively.

Description

LED display device and rear shell thereof

Technical Field

The utility model relates to the field of display devices, in particular to an LED display device and a rear shell thereof.

Background

In the related art, with the progress of LED display technology, the cost of LED display devices is greatly reduced, and LED display screens are widely used.

The LED display device generally includes a rear case, an LED display module disposed at a front side of the rear case, and a PCB board disposed between the rear case and the LED display module. When the LED display device works, the LED lamp beads on the LED module and the PCB generate heat, and if the heat is not discharged in time, the service life of parts inside the LED display device can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an LED display device and a rear shell thereof, and aims to solve the problem that the service life of parts in the LED display device is influenced due to the fact that heat in the related art is not discharged in time.

In order to achieve the above object, according to one aspect of the present invention, there is provided a rear case of an LED display device, comprising: a rear wall; the side walls are arranged around the edge of the rear wall and positioned on the front side of the rear wall; the heat dissipation groove is arranged on the rear surface of the rear wall, and two ends of the heat dissipation groove in the length direction are respectively connected with two adjacent side walls; the heat dissipation hole is arranged in the heat dissipation groove.

By applying the technical scheme of the utility model, the rear shell of the LED display device comprises a rear wall and a plurality of side walls which are arranged around the edge of the rear wall. Be provided with the heat dissipation recess on the rear surface of back wall, the both ends on the heat dissipation recess length direction are connected with two adjacent lateral walls respectively, and the heat dissipation recess all inclines to set up for two adjacent lateral walls promptly. The arrangement of the heat dissipation groove increases the heat dissipation area of the rear shell, so that the heat in the LED display device can be discharged more conveniently. Simultaneously, the heat dissipation groove all inclines to set up for two adjacent lateral walls, can strengthen the bending strength and the torsional strength of backshell. Still be provided with the louvre in the heat dissipation recess, the heat in the LED display device can directly discharge to the outside of LED display device fast through the louvre, can further strengthen the heat dissipation of backshell. Therefore, the technical scheme of this application can solve the problem that the heat in the correlation technique is not in time discharged and can influence the life of inside spare part of LED display device effectively.

Further, the heat dissipation holes are formed in the bottom surface of the heat dissipation groove.

Further, along the direction from the groove top surface to the groove bottom surface of the heat dissipation groove, the width of the heat dissipation groove is gradually reduced.

Further, the cross section of heat dissipation recess is isosceles trapezoid, and the louvre is circular port or elliptical aperture.

Further, a first included angle a1 between the groove sidewall and the groove bottom surface of the heat dissipation groove is between 130 ° and 140 °.

Further, the rear shell is of a rectangular structure, and a second included angle A2 between the heat dissipation groove and the horizontal direction is between 40 and 50 degrees.

Furthermore, a heat sink group is arranged between every two adjacent side walls, each heat sink group comprises a plurality of heat dissipation grooves, and the plurality of heat dissipation grooves in each heat sink group are arranged in parallel.

Furthermore, the rear shell further comprises two buckles arranged on the rear wall, the two buckles are symmetrically arranged with the center line O of the rear shell in the vertical direction as a symmetry axis, and a distance L is reserved between each buckle and the corresponding side wall.

Furthermore, the buckle is positioned between two adjacent heat dissipation groove groups in the vertical direction.

According to another aspect of the present invention, an LED display device is provided, which includes a rear housing and a plurality of LED display modules disposed on a front side of the rear housing, where the rear housing is the above-mentioned rear housing. The rear shell can effectively solve the problem that the service life of parts inside the LED display device is influenced due to the fact that heat in the related art is not timely discharged. Therefore, the LED display device with the rear shell also has the advantages.

In some embodiments, a plurality of heat sink sets are disposed on the rear housing, each heat sink set includes a plurality of heat sink grooves arranged in parallel, each rear housing includes four heat sink sets, and the four heat sink sets are disposed at four corners of the rear housing respectively. A plurality of heat dissipation holes are also formed in each heat dissipation groove. The arrangement of the heat dissipation groove increases the heat dissipation area of the rear shell, so that the heat in the LED display device can be discharged more conveniently. Still be provided with the louvre in the heat dissipation recess, the heat in the LED display device can directly discharge to the outside of LED display device fast through the louvre, can further strengthen the heat dissipation of backshell.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic perspective view of an embodiment of a rear case of an LED display device according to the present invention;

FIG. 2 shows an enlarged view at A of the rear housing of FIG. 1;

FIG. 3 shows a cross-sectional view of the heat sink set of the rear housing of FIG. 1;

FIG. 4 shows a rear view of the rear housing of FIG. 1; and

fig. 5 shows an enlarged view at B of the rear case of fig. 4.

Wherein the figures include the following reference numerals:

10. a rear wall; 20. a side wall; 3. a heat sink group; 30. a heat dissipation groove; 31. the bottom surface of the groove; 32. the side wall of the groove; 40. heat dissipation holes; 50. and (6) buckling a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 and 2, the rear case of the LED display device of the present embodiment includes: a rear wall 10, a plurality of sidewalls 20, a heat dissipation groove 30, and a heat dissipation hole 40. Wherein, a plurality of side walls 20 are arranged around the edge of the rear wall 10 and positioned at the front side of the rear wall 10; the heat dissipation groove 30 is disposed on the rear surface of the rear wall 10, and both ends of the heat dissipation groove 30 in the length direction are respectively connected to the two adjacent side walls 20; the heat dissipation holes 40 are disposed in the heat dissipation groove 30.

With the technical solution of the present embodiment, the rear housing of the LED display device includes a rear wall 10 and a plurality of side walls 20 surrounding the edge of the rear wall 10. The rear surface of the rear wall 10 is provided with a heat dissipation groove 30, and two ends of the heat dissipation groove 30 in the length direction are respectively connected with the two adjacent side walls 20, that is, the heat dissipation groove 30 is obliquely arranged relative to the two adjacent side walls 20. The arrangement of the heat dissipation groove 30 increases the heat dissipation area of the rear case, which is more favorable for the heat in the LED display device to be discharged. Meanwhile, the heat dissipation grooves 30 are obliquely arranged with respect to the two adjacent side walls 20, so that the bending strength and the torsional strength of the rear case can be enhanced. Still be provided with louvre 40 in the heat dissipation recess 30, the heat in the LED display device can directly discharge to the outside of LED display device fast through louvre 40, can further strengthen the heat dissipation of backshell. Therefore, the technical scheme of the embodiment can effectively solve the problem that the service life of parts inside the LED display device is influenced due to the fact that heat in the related art is not timely discharged.

It should be noted that, in the present embodiment, the main body portion of the rear wall 10 is a planar structure, and the rear wall 10 is formed by processing the heat dissipation groove 30 and the like on the planar structure, so the rear surface of the rear case refers to the planar structure.

As shown in fig. 1 to 3, in the present embodiment, the heat dissipation holes 40 are disposed at the groove bottom surface 31 of the heat dissipation groove 30. The provision of the heat dissipation holes 40 at the groove bottom surface 31 enables the rear case to be more easily processed. Of course, in the embodiment not shown in the figures, the heat dissipation holes may also be provided on the groove sidewalls.

As shown in fig. 3, in the present embodiment, the width of the heat dissipation groove 30 gradually decreases in the direction from the groove top surface to the groove bottom surface 31 of the heat dissipation groove 30. Because the heat dissipation groove 30 is formed by stamping, the groove width of the heat dissipation groove 30 is gradually reduced from the rear side of the rear shell to the front side of the rear shell, so that the arrangement is more favorable for the processing and forming of the heat dissipation groove 30.

As shown in fig. 2 and 3, the cross section of the heat dissipation groove 30 is an isosceles trapezoid, and the heat dissipation hole 40 is a circular hole. The heat dissipation groove 30 is trapezoidal, easy to process, and beautiful. The heat dissipation holes 40 are formed in a circular shape, so that the heat dissipation holes are easy to process and are beautiful. Of course, in the embodiment not shown in the drawings, the two groove side walls of the heat dissipation groove may have different inclination angles, forming a non-isosceles trapezoid; the heat dissipation holes may be oval.

As shown in fig. 3, in the present embodiment, the first included angle a1 between the groove sidewall 32 and the groove bottom surface 31 of the heat dissipation groove 30 is between 130 ° and 140 °. The arrangement of the first included angle a1 between 130 ° and 140 ° can make the heat dissipation groove 30 easy to process while ensuring that the rear case has a sufficient heat dissipation area. The first included angle a1 may be 133 °, 135 °, or 138 °. Preferably, the first included angle a1 is 135 °.

As shown in fig. 4 and 5, in the present embodiment, the rear case has a rectangular structure, and a second included angle a2 between the heat dissipation groove 30 and the horizontal direction is between 40 ° and 50 °. Specifically, the second included angle a2 may be 43 °, 45 °, or 48 °. Preferably, second included angle A2 is 45.

As shown in fig. 1, fig. 2, fig. 4 and fig. 5, in the present embodiment, a heat sink group 3 is disposed between each two adjacent side walls 20, each heat sink group 3 includes a plurality of heat sink grooves 30, and the plurality of heat sink grooves 30 in each heat sink group 3 are disposed in parallel. The rear shell is of a rectangular structure, and a heat sink group 3 is arranged between every two adjacent side walls 20, namely, the four corners of the rectangular structure are provided with one heat sink group 3. Each heat sink group 3 includes a plurality of heat sink grooves 30 arranged in parallel, which increases the heat dissipation area of the rear case. Meanwhile, a second included angle a2 between the heat dissipation grooves 30 in the plurality of heat dissipation groove sets 3 and the horizontal direction is between 40 ° and 50 °. This enhances the bending strength as well as the torsional strength of the entire rear shell.

The rear shell further comprises two clasps 50 arranged on the rear wall 10, the two clasps 50 are symmetrically arranged with a central line O of the rear shell in the vertical direction as a symmetry axis, and a distance L is formed between each clasp 50 and the corresponding side wall 20. The arrangement of the handle 50 can facilitate the operator to carry the LED display device. Specifically, the two clasps 50 are symmetrically arranged, so that when an operator carries the LED display device, the operator can stretch the hand into the two clasps 50. The distance L between the clasps 50 and the side wall 20 is smaller than the width of the rear case, that is, the distance between the outer end faces of the two clasps 50 on one rear case is smaller than the width of the rear case, so that the operation of carrying the LED display device by an operator is facilitated.

As shown in fig. 1, 2, 4, and 5, in the present embodiment, the fastener 50 is located between two heat sink groups 3 adjacent in the vertical direction. The attacker 50 sets up in the position department of the vertical centre of backshell edge or the position that is close to the vertical center of backshell promptly, and when operating personnel hand stretched into transport LED display device in attacker 50 like this, what just in time held is that the backshell is along vertical intermediate position or the position that is close to the vertical centre of backshell, and it can be more laborsaving to carry like this, is convenient for operating personnel to carry operations such as LED display device.

The embodiment of the LED display device comprises a rear shell and a plurality of LED display modules arranged on the front side of the rear shell, wherein the rear shell is the rear shell. The rear shell is provided with a plurality of radiating groove groups 3, each radiating groove group comprises a plurality of radiating grooves 30 which are arranged in parallel, each rear shell is provided with four radiating groove groups 3, and the four radiating groove groups are respectively arranged at the four corners of the rear shell. A plurality of heat dissipation holes 40 are further provided in each heat dissipation groove 30. The provision of the heat dissipation groove 30 increases the heat dissipation area of the rear case, which is more advantageous to the discharge of heat in the LED display device and to enhance the strength of the rear case. Meanwhile, the heat dissipation grooves 30 are obliquely arranged with respect to the two adjacent side walls 20, so that the bending strength and the torsional strength of the rear case can be enhanced. Still be provided with louvre 40 in the heat dissipation recess 30, the heat in the LED display device can directly discharge to the outside of LED display device fast through louvre 40, can further strengthen the heat dissipation of backshell. The rear shell can effectively solve the problem that the service life of parts inside the LED display device is influenced due to the fact that heat in the related art is not timely discharged. Therefore, the LED display device with the rear shell also has the advantages.

In this embodiment, a plurality of LED display modules are arranged on the front side of one rear housing, and the plurality of LED display modules are arranged in an array. Specifically, the number of the LED display modules may be two, four, eight, nine, or the like.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A rear case of an LED display device, comprising:

a rear wall (10);

a plurality of side walls (20) arranged around the edge of the rear wall (10) and positioned at the front side of the rear wall (10);

the heat dissipation groove (30) is arranged on the rear surface of the rear wall (10), and two ends of the heat dissipation groove (30) in the length direction are respectively connected with the two adjacent side walls (20);

and the heat dissipation hole (40) is arranged in the heat dissipation groove (30).

2. The rear case according to claim 1, wherein the heat dissipation hole (40) is provided at a groove bottom surface (31) of the heat dissipation groove (30).

3. The rear case according to claim 2, wherein the width of the heat dissipation groove (30) is gradually reduced in a direction from a groove top surface of the heat dissipation groove (30) to the groove bottom surface (31).

4. The rear case according to claim 1 or 2, wherein the heat dissipation groove (30) has a cross section of an isosceles trapezoid shape, and the heat dissipation hole (40) is a circular hole or an elliptical hole.

5. The rear cover according to claim 2, characterized in that a first angle a1 between a groove side wall (32) of the heat dissipation groove (30) and the groove bottom surface (31) is between 130 ° and 140 °.

6. The rear shell according to claim 1 or 2, characterized in that the rear shell has a rectangular structure, and a second included angle a2 between the heat dissipation groove (30) and the horizontal direction is between 40 ° and 50 °.

7. The rear housing according to claim 1 or 2, wherein a heat sink group (3) is arranged between each two adjacent side walls (20), each heat sink group (3) comprises a plurality of heat sink grooves (30), and the plurality of heat sink grooves (30) in each heat sink group (3) are arranged in parallel.

8. The rear shell according to claim 7, further comprising two clasps (50) arranged on the rear wall (10), wherein the two clasps (50) are symmetrically arranged with respect to a center line O of the rear shell in the vertical direction as a symmetry axis, and wherein the clasps (50) are spaced from the corresponding side walls (20) by a distance L.

9. The rear housing according to claim 8, characterized in that the snap fastener (50) is located between two vertically adjacent heat sink groups (3).

10. An LED display device, comprising a rear housing and a plurality of LED display modules arranged at the front side of the rear housing, wherein the rear housing is as claimed in any one of claims 1 to 9.

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