CN219204924U - Protective device and display - Google Patents

Abstract

The utility model belongs to the technical field of display, and particularly relates to a protection device and a display. The protection device comprises: the display shell is provided with an air inlet hole for air to flow into the accommodating cavity and an air outlet hole which is arranged at intervals with the air inlet hole; the first waterproof cover is accommodated in the accommodating cavity and is connected with the display shell, the first waterproof cover is provided with a first accommodating cavity and covers the orifice of the air inlet hole so as to prevent external liquid from entering the accommodating cavity, and the first waterproof cover is provided with an air passing hole which is communicated with the first accommodating cavity and the accommodating cavity. The utility model can reduce the water vapor or liquid entering the accommodating cavity and improve the waterproof grade and waterproof effect of the protective device.

Description

Protective device and display

Technical Field

The utility model belongs to the technical field of display, and particularly relates to a protection device and a display.

Background

At present, the heat dissipation design of outdoor display products is commonly used in a shutter structure, and the shutter structure is used for raining with general intensity or displaying that the internal space of the product is larger, and under the condition that electronic elements on a display panel are far away from an air outlet and an air inlet, the waterproof grade is generally enough.

However, under the conditions of heavy rain, strong wind, water spraying mechanisms on the side grasslands and playing and splashing of children, the waterproof requirement of the display product is higher. In addition, most of display products are thin and beautiful, the installation space reserved for electronic components is limited, and the existing display products cannot meet the waterproof requirement.

Disclosure of Invention

An object of the embodiment of the application is to provide a protection device, which aims at solving the problem of how to improve the waterproof effect of the protection device.

In order to achieve the above purpose, the technical scheme adopted in the application is as follows:

in a first aspect, there is provided a guard comprising: the waterproof device comprises a first waterproof cover and a display shell provided with a containing cavity, wherein the display shell is provided with an air inlet hole for air to flow into the containing cavity and an air outlet hole which is arranged at intervals with the air inlet hole; the first waterproof cover is accommodated in the accommodating cavity and is connected with the display shell, the first waterproof cover is provided with a first accommodating cavity and covers the orifice of the air inlet hole so as to prevent external liquid from entering the accommodating cavity, and the first waterproof cover is provided with an air passing hole which is communicated with the first accommodating cavity and the accommodating cavity.

In some embodiments, the protection device further comprises a first flow guiding member located in the accommodating cavity and having a first flow guiding groove, the first flow guiding member is connected to the orifice edge of the through-air hole, and the first flow guiding groove is communicated with the through-air hole and used for guiding the liquid to flow back to the first accommodating cavity.

In some embodiments, the protection device further comprises a second flow guiding member with a second flow guiding groove, wherein the second flow guiding member is connected with the outer surface of the display shell and covers the orifice of the air inlet hole, and the second flow guiding groove is communicated with the air inlet hole and used for guiding the air to flow into the first accommodating cavity and guiding the liquid in the second flow guiding groove to flow outwards.

In some embodiments, the protection device further includes a third flow guiding member having a third flow guiding groove, the third flow guiding member is connected to the outer surface of the display housing and covers the opening of the air outlet hole, the third flow guiding groove is communicated with the air outlet hole and is used for guiding the air to flow out of the accommodating cavity and guiding the liquid in the third flow guiding groove to flow out, wherein the flowing directions of the liquid in the second flow guiding groove and the third flow guiding groove are the same.

In some embodiments, the air inlet holes are arranged at intervals, and at least one air inlet hole can be used for guiding the liquid in the first accommodating cavity to flow outwards.

In some embodiments, the plurality of air through holes are arranged, and each air through hole is opposite to each air inlet hole, or each air through hole is arranged in a staggered manner with each air inlet hole.

In some embodiments, the protection device further comprises a second waterproof cover located in the accommodating cavity and provided with a second accommodating cavity, the second waterproof cover is connected with the display shell and covers the air outlet hole, the second waterproof cover is provided with a mounting hole, and the protection device further comprises a cooling fan located in the mounting hole and connected with the second waterproof cover.

In some embodiments, the protection device further comprises a filter screen located in the accommodating cavity, the filter screen is arranged at the air inlet hole and the air outlet hole, and the first waterproof cover and the second waterproof cover respectively compress the two filter screens towards the display shell.

In some embodiments, a plurality of air outlet holes are arranged at intervals, and at least one air outlet hole can be used for guiding the liquid in the second accommodating cavity to flow outwards.

In a second aspect, embodiments of the present application further provide a display, which includes the protection device, and further includes a display panel connected to the display housing and located in the accommodating cavity.

The beneficial effects of this application lie in: the protection device comprises a display shell and a first waterproof cover, wherein the first waterproof cover is positioned in the accommodating cavity and is provided with a first accommodating cavity, and liquid or vapor entering the accommodating cavity is at least partially blocked by the first waterproof cover and is accommodated in the first accommodating cavity, so that the vapor or liquid entering the accommodating cavity is reduced, and the waterproof grade and the waterproof effect of the protection device are improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that are required for the description of the embodiments or exemplary techniques will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a display provided in an embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of the display of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial enlarged view at B of FIG. 2;

FIG. 5 is an exploded schematic view of the display of FIG. 1;

fig. 6 is a further exploded schematic view of the display of fig. 5.

Wherein, each reference sign in the figure:

100. a display; 101. a display panel; 10. a display housing; 21. a first flow guide; 22. a second flow guide; 23. a third flow guide; 11. a middle frame; 12. a front cover; 13. a rear cover; 111. a receiving chamber; 31. a second waterproof cover; 112. a first housing chamber; 32. a heat radiation fan; 30. a first waterproof cover; 113. a second housing chamber; 211. a first diversion trench; 114. an air inlet hole; 222. a wind hole; 221. a second diversion trench; 15. an air outlet hole; 231. a third diversion trench; 33. a mounting hole; 34. a filter screen;

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. are based on the orientation or positional relationship shown in the drawings, are for convenience of description only, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application, and the specific meaning of the terms described above may be understood by those of ordinary skill in the art as appropriate. The terms "first," "second," and "second" 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. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

Referring to fig. 1 to 2, the present embodiment provides a protection device capable of protecting a display panel 101, so that the display panel 101 has a relatively high waterproof level. The protection device comprises: the first waterproof cover 30 having the first accommodating chamber 112 and the display housing 10 having the accommodating chamber 111 are provided. The display housing 10 is disposed upright and displays the display contents of the display panel 101 through its front face outwardly.

Referring to fig. 3 to 4, fig. 3 is a partial enlarged view of a portion a in fig. 2, and fig. 4 is a partial enlarged view of a portion B in fig. 2, the display housing 10 is provided with an air inlet 114 through which air flows into the accommodating cavity 111 and an air outlet 15 spaced from the air inlet 114, and the air flows out of the accommodating cavity 111 through the air outlet 15; in this embodiment, the air inlet 114 and the air outlet 15 are located on the same surface of the display housing 10, and in other embodiments, the air inlet 114 and the air outlet 15 may also be located on different surfaces of the display housing 10, which is not limited herein and may be selected according to practical situations. The air flows into the accommodating cavity 111 through the air inlet holes 114, flows into the display panel 101, and flows out of the accommodating cavity 111 through the air outlet holes 15, so that heat dissipation of the display panel 101 is realized.

Referring to fig. 3 to 4, the first waterproof cover 30 is accommodated in the accommodating cavity 111 and is connected to the display housing 10, the first waterproof cover 30 covers the opening of the air inlet 114 through the first accommodating cavity 112, and moisture or other liquid entering from the air inlet 114 is at least partially blocked by the inner wall of the first accommodating cavity 112 and is accommodated in the first accommodating cavity 112, so that the liquid entering into the accommodating cavity 111 is reduced, the waterproof level of the display panel 101 is improved, and the first waterproof cover 30 is provided with the air passing hole 222 communicating the first accommodating cavity 112 and the accommodating cavity 111, so that the air is not affected to enter the accommodating cavity 111, and the heat dissipation of the display panel 101 in the accommodating cavity 111 is facilitated.

Referring to fig. 3 to 4, the protection device provided in this embodiment includes a display housing 10 and a first waterproof cover 30, wherein the first waterproof cover 30 is located in the accommodating cavity 111 and has a first accommodating cavity 112, and liquid or vapor entering the accommodating cavity 111 is at least partially blocked by the first waterproof cover 30 and accommodated in the first accommodating cavity 112, so that the vapor or liquid entering the accommodating cavity 111 is reduced, and the waterproof level and the waterproof effect of the protection device are improved.

Alternatively, the display housing 10 includes a middle frame 11, a front cover 12, and a rear cover 13, the front cover 12 may be made of a transparent material such as quartz glass, and the middle frame 11 and the rear cover 13 may be made of a metal material such as an aluminum alloy. The front cover 12 and the rear cover 13 are respectively connected to both sides of the middle frame 11, and together form the accommodating cavity 111. The joint between the front cover 12 and the middle frame 11 is sealed by waterproof glue. The outlet of the display housing 10 is also water-proof by gluing. Optionally, a circle of waterproof foam is arranged at the periphery pressing gap of the joint of the rear cover 13 and the middle frame 11 to prevent water from entering the periphery of the rear cover 13.

Referring to fig. 1 to 2, alternatively, the air inlet 114 and the air outlet 15 are both opened on the rear cover 13.

Alternatively, the shapes of the air inlet 114 and the air outlet 15 are circular, polygonal or elliptical, which are not limited herein, and may be selected according to practical situations.

Referring to fig. 3, in some embodiments, the protection device further includes a first guiding element 21 disposed in the accommodating cavity 111 and having a first guiding groove 211, the first guiding element 21 is connected to an orifice edge of the air passing hole 222, and the first guiding groove 211 is communicated with the air passing hole 222 and is used for guiding the liquid to flow back to the first accommodating cavity 112.

Referring to fig. 3, in the embodiment, one end of the first guiding element 21 is downward connected to the first waterproof cover 30, and covers the air passing hole 222 along the direction from the surface of the air inlet 114 to the surface of the air passing hole 222, and the other end of the first guiding element 21 extends upward, so that the water vapor or liquid coming out of the air passing hole 222 can be blocked horizontally by the wall of the first guiding groove 211 and attached to the wall of the first guiding groove 211, and under the action of gravity, the liquid flows back to the first accommodating cavity 112 along the first guiding groove 211, thereby preventing the water vapor or liquid from entering the accommodating cavity 111.

Referring to fig. 3, in some embodiments, the protection device further includes a second guiding element 22 having a second guiding groove 221, the second guiding element 22 is connected to the outer surface of the display housing 10 and covers the opening of the air inlet 114, and the second guiding groove 221 is communicated with the air inlet 114 and is used for guiding the air to flow into the first accommodating cavity 112 and guiding the liquid in the second guiding groove 221 to flow out.

Referring to fig. 3, in the present embodiment, the upper end of the second guiding element 22 is connected to the display housing 10, and covers the air inlet 114 along the direction of the surface of the air inlet 114 facing the surface of the air inlet 222, so that the liquid can be blocked from entering the air inlet 114 along the horizontal direction, the lower end of the second guiding element 22 extends downward, which is beneficial for air to enter the second guiding groove 221, and finally flows into the first accommodating cavity 112 through the second air inlet 114, and the liquid adhered to the inner wall of the second guiding groove 221 flows out of the second guiding groove 221 along the vertical direction.

Referring to fig. 4, in some embodiments, the protection device further includes a third flow guiding member 23 having a third flow guiding groove 231, the third flow guiding member 23 is connected to the outer surface of the display housing 10 and covers the opening of the air outlet hole 15, the third flow guiding groove 231 is communicated with the air outlet hole 15 and is used for guiding the air to flow out of the accommodating cavity 111 and guiding the liquid in the third flow guiding groove 231 to flow out, wherein the flowing directions of the liquid in the second flow guiding groove 221 and the third flow guiding groove 231 are the same.

Referring to fig. 4, in the present embodiment, the upper end of the third flow guiding member 23 is connected to the display housing 10, and covers the air outlet hole 15 along the direction perpendicular to the surface where the air outlet hole 15 is located and pointing into the second accommodating cavity 113, so that the liquid can be blocked from entering the air outlet hole 15 along the horizontal direction, the lower end of the third flow guiding member 23 extends downward, which is beneficial for the air to flow out of the third flow guiding groove 231 downward, and the liquid attached to the inner wall of the third flow guiding groove 231 also flows out of the third flow guiding groove 231 along the vertical direction.

In some embodiments, the air inlet 114 is disposed at intervals, and at least one air inlet 114 can be used to guide the liquid in the first accommodating cavity 112 to flow out. It can be appreciated that the height of at least one air inlet 114 is lower than the lowest position of the first accommodating cavity 112, so that the liquid in the first accommodating cavity 112 can flow out of the air inlet 114 in time, thereby avoiding water accumulation in the first accommodating cavity 112.

In some embodiments, a plurality of air through holes 222 are provided, and each air through hole 222 is opposite to each air inlet 114, so that air can smoothly enter the accommodating cavity 111, and heat dissipation efficiency is improved.

In some embodiments, each of the air through holes 222 is offset from each of the air inlet holes 114, so that the liquid or the water vapor can be blocked by the inner wall of the first accommodating cavity 112 as much as possible, and the waterproof effect is improved.

Referring to fig. 4 and 6, in some embodiments, the protection device further includes a second waterproof cover 31 located in the accommodating cavity 111 and having a second accommodating cavity 113, the second waterproof cover 31 is connected to the display housing 10 and covers the air outlet hole 15, the second waterproof cover 31 is provided with a mounting hole 33, and the protection device further includes a heat dissipating fan 32 located in the mounting hole 33 and connected to the second waterproof cover 31, where the shape of the mounting hole 33 may be circular, elliptical or polygonal, and is not limited herein, and may be selected according to practical situations.

Optionally, two mounting holes 33 are spaced apart, the cooling fans 32 are disposed at the two mounting holes 33, and the cooling fans 32 are used for driving air in the accommodating cavity 111 to flow into the second accommodating cavity 113 and flow out from the air outlet holes 15, so as to improve the cooling efficiency.

Referring to fig. 5 to 6, in some embodiments, the protection device further includes a filter screen 34 disposed in the accommodating cavity 111, and the filter screen 34 is disposed at the air inlet 114 and the air outlet 15.

One of the filter screens 34 covers each of the air inlet holes 114, and the filter screen 34 is located between the first waterproof cover 30 and the rear cover 13; the other filter 34 covers each air outlet 15, and the filter 34 is located between the second waterproof cover 31 and the rear cover 13. The first waterproof cover 30 and the second waterproof cover 31 respectively press the two filter screens 34 toward the display housing 10. In this embodiment, both the filter screens 34 are disposed on the rear cover 13, and the first waterproof cover 30 and the second waterproof cover 31 respectively press the filter screens 34 toward the rear cover 13.

Optionally, the mesh size of the filter mesh 34 is 0.5×0.5mm, so as to block the liquid or the water vapor and reduce the flow rate of the liquid.

It will be appreciated that the filter 34 is also used to block external insects or foreign objects from entering the accommodating cavity 111, so as to avoid damage to the display panel 101 or other electronic components.

Referring to fig. 2, in some embodiments, a plurality of air outlets 15 are disposed at intervals, and at least one air outlet 15 can be used to guide the liquid in the second accommodating cavity 113 to flow out, so as to avoid water accumulation in the second accommodating cavity 113.

It can be appreciated that the height of at least one air outlet hole 15 is lower than the lowest position of the second accommodating cavity 113, so that the liquid in the second accommodating cavity 113 can flow out in time through the air outlet hole 15.

Referring to fig. 1, the present utility model further provides a display 100, where the display 100 includes a protection device, and the specific structure of the protection device refers to the above embodiment, and since the display 100 adopts all the technical solutions of all the embodiments, the display 100 also has all the beneficial effects brought by the technical solutions of the embodiments, which are not described herein again.

In some embodiments the display 100 further comprises a display panel 101 connected to the display housing 10.

The foregoing is merely an alternative embodiment of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. A protective device, comprising: the waterproof device comprises a first waterproof cover and a display shell provided with a containing cavity, wherein the display shell is provided with an air inlet hole for air to flow into the containing cavity and an air outlet hole which is arranged at intervals with the air inlet hole; the first waterproof cover is accommodated in the accommodating cavity and is connected with the display shell, the first waterproof cover is provided with a first accommodating cavity and covers the orifice of the air inlet hole so as to prevent external liquid from entering the accommodating cavity, and the first waterproof cover is provided with an air passing hole which is communicated with the first accommodating cavity and the accommodating cavity.

2. The guard of claim 1, wherein: the protection device further comprises a first flow guiding piece which is positioned in the accommodating cavity and provided with a first flow guiding groove, the first flow guiding piece is connected with the orifice edge of the air passing hole, and the first flow guiding groove is communicated with the air passing hole and used for guiding the liquid to flow back to the first accommodating cavity.

3. The guard of claim 1, wherein: the protection device further comprises a second flow guiding piece with a second flow guiding groove, the second flow guiding piece is connected with the outer surface of the display shell and covers the orifice of the air inlet, the second flow guiding groove is communicated with the air inlet and used for guiding air to flow into the first accommodating cavity and guiding liquid in the second flow guiding groove to flow outwards.

4. A protective apparatus as claimed in claim 3, wherein: the protection device further comprises a third flow guide piece with a third flow guide groove, the third flow guide piece is connected with the outer surface of the display shell and covers the orifice of the air outlet, the third flow guide groove is communicated with the air outlet and used for guiding air to flow out of the accommodating cavity and guiding liquid in the third flow guide groove to flow outwards, and the flowing directions of the liquid in the second flow guide groove and the flowing direction of the liquid in the third flow guide groove are the same.

5. The guard of any one of claims 1-4, wherein: the air inlet holes are arranged at intervals, and at least one air inlet hole can be used for guiding the liquid in the first accommodating cavity to flow outwards.

6. The guard of claim 5, wherein: the air inlets are arranged in a staggered mode, and the air inlets are arranged in a staggered mode.

7. The guard of any one of claims 1-4, wherein: the protection device further comprises a second waterproof cover which is positioned in the accommodating cavity and provided with a second accommodating cavity, the second waterproof cover is connected with the display shell and covers the air outlet hole, the second waterproof cover is provided with a mounting hole, and the protection device further comprises a cooling fan which is positioned in the mounting hole and connected with the second waterproof cover.

8. The guard of claim 7, wherein: the protection device further comprises a filter screen located in the accommodating cavity, the air inlet hole and the air outlet hole are both provided with the filter screen, and the first waterproof cover and the second waterproof cover respectively compress the two filter screens towards the display shell.

9. The guard of claim 7, wherein: the air outlet holes are arranged at intervals, and at least one air outlet hole can be used for guiding the liquid in the second accommodating cavity to flow outwards.

10. A display comprising the protective device according to any one of claims 1-9, and further comprising a display panel coupled to the display housing and positioned within the receiving cavity.

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