CN109754718B - Underwater display screen - Google Patents

Underwater display screen Download PDF

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Publication number
CN109754718B
CN109754718B CN201910120238.0A CN201910120238A CN109754718B CN 109754718 B CN109754718 B CN 109754718B CN 201910120238 A CN201910120238 A CN 201910120238A CN 109754718 B CN109754718 B CN 109754718B
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water leakage
pcb
leakage hole
display screen
bottom shell
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CN201910120238.0A
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CN109754718A (en
Inventor
乔慧
宋海涛
吴建锋
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Shenzhen Ziqiao Technology Co ltd
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Shenzhen Ziqiao Technology Co ltd
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Abstract

The invention relates to an underwater display screen, which comprises a bottom shell and a display module. The display module comprises a PCB and LED lamps distributed on one side of the PCB; the display module is arranged on one side of the bottom shell, and the LED lamp is positioned on one side of the PCB opposite to the bottom shell; and a sealing layer for covering and sealing the LED lamp is formed on the PCB, and covers the combination position of the bottom shell and the PCB, and seals the combination position of the bottom shell and the PCB. The LED lamp is sealed in a glue filling mode, when the underwater display screen is placed under water for displaying, the circuit of the LED lamp and the PCB board is fully guaranteed to be isolated and sealed from water, water is prevented from entering into the back short circuit, the underwater display screen is directly displayed in the water, the ornamental effect is improved, and the moving range and the display mode of the underwater display screen are increased.

Description

Underwater display screen
Technical Field
The invention relates to the field of underwater display, in particular to an underwater display screen.
Background
The stage display screen in the related art can not be applied to underwater, but in practical application, the ornamental value of the program can be increased only through the lamplight, the stage display screen and props by some large-scale water show performances, and the stage itself is monotonous in color. And a plurality of ornamental pools are provided, and the ornamental effect can be achieved only by arranging light in the pools and putting plants, fishes and the like.
When the display screen displays under water, the requirement on the sealing performance is high, and in general, the underwater display screen is placed in an independent isolated box body, so that the moving range and the display effect of the underwater display screen are limited.
Disclosure of Invention
The invention aims to solve the technical problem of providing an underwater display screen with good sealing performance.
The technical scheme adopted for solving the technical problems is as follows: an underwater display screen is constructed, which comprises a bottom shell and a display module;
the display module comprises a PCB and LED lamps distributed on one side of the PCB;
the display module is arranged on one side of the bottom shell, and the LED lamp is positioned on one side of the PCB opposite to the bottom shell;
and a sealing layer for covering and sealing the LED lamp is formed on the PCB board by glue filling, and covers the combination position of the bottom shell and the PCB board to seal the combination position of the bottom shell and the PCB board.
Preferably, first water leakage holes for water permeation are distributed on the bottom shell, second water leakage holes for water permeation are distributed on the PCB, the first water leakage holes and the second water leakage holes are opposite, and third water leakage holes communicated with the first water leakage holes and the second water leakage holes for water permeation are formed on the sealing layer.
Preferably, a retainer ring extending into the second water leakage hole is arranged on the periphery of the first water leakage hole;
and the sealing layer seals the joint position of the check ring and the second water leakage hole.
Preferably, the underwater display screen further comprises a plug, the bottom shell is provided with a mounting hole, the plug is mounted in the mounting hole and electrically connected with the PCB, and glue is filled between the plug and the bottom shell for sealing.
Preferably, an anti-slip structure is further arranged on one side of the display module, which is opposite to the bottom shell.
Preferably, the anti-slip structure comprises a transparent mask covered on the display module, and anti-slip protrusions are distributed on one side of the transparent mask, which is opposite to the display module.
Preferably, each LED lamp corresponds to the position of the anti-slip protrusion, and a concave avoidance groove is formed on the opposite side of the anti-slip protrusion to the LED lamp, so as to accommodate the LED lamp in the corresponding position.
Preferably, the transparent mask is provided with fourth water leakage holes for water to permeate.
Preferably, a buckle buckled with the bottom shell is arranged on the transparent mask.
Preferably, the fourth water leakage hole is opposite to the third water leakage hole, and the buckle passes through the first water leakage hole, the second water leakage hole and the third water leakage hole.
The underwater display screen has the following beneficial effects: the LED lamp is sealed in a glue filling mode, when the underwater display screen is placed under water for displaying, the circuit of the LED lamp and the PCB board is fully guaranteed to be isolated and sealed from water, water is prevented from entering into the back short circuit, the underwater display screen is directly displayed in the water, the ornamental effect is improved, and the moving range and the display mode of the underwater display screen are increased.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic perspective view of an underwater display screen according to an embodiment of the present invention;
FIG. 2 is a schematic view of the rear structure of the underwater display screen of FIG. 1;
FIG. 3 is a schematic view in section A-A of FIG. 2;
FIG. 4 is an enlarged schematic view of the partial view E of FIG. 3;
FIG. 5 is a schematic view in section B-B in FIG. 2;
FIG. 6 is a schematic cross-sectional view of the anti-skid structure of FIG. 1 with the bottom case and the display module exploded;
fig. 7 is a schematic cross-sectional view of the anti-slip structure of fig. 1, along a water leakage channel when assembled with the bottom case and the display module.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1 to 5, the underwater display screen in a preferred embodiment of the present invention includes a supporting base 5, a bottom case 1, a display module 2, and the display module 2 includes a PCB 21 and LED lamps 22 distributed on one side of the PCB 21. The display module 2 may be one display module 2 or a plurality of display modules 2 may be spliced, and in this embodiment, four display modules 2 are respectively installed on a bottom shell 1.
The display module assembly 2 is installed on one side of the bottom shell 1, and the LED lamp 22 is located on one side of the PCB 21 opposite to the bottom shell 1, and the bottom shell 1 is installed and placed on the supporting seat 5.
As shown in fig. 4, 6 and 7, a sealing layer (not shown) for sealing the LED lamp 22 is formed on the PCB 21 by pouring glue, and covers the bonding position between the bottom case 1 and the PCB 21, and seals the bonding position between the bottom case 1 and the PCB 21.
The LED lamp 22 is sealed in a glue filling mode, when the underwater display screen is placed under water for displaying, the circuits of the LED lamp 22 and the PCB 21 are fully guaranteed to be isolated and sealed from water, the waterproof grade of the front and rear IP68 is achieved, the problem of underwater display is solved, the product can be applied underwater for a long time, the water is prevented from entering into the rear short circuit, the underwater display screen is directly displayed in the water, the ornamental effect is improved, and the movable range and the display mode of the underwater display screen are increased.
The underwater display screen can be applied to water show stage performance, the effect of being more gorgeous is built by matching with light, the ornamental water tank can replace underwater light, plants, fishes and the like, various dynamic pictures are realized through video effects, and compared with static objects, the ornamental water tank is stronger in ornamental value.
The underwater display screen further comprises a plug 3, the bottom shell 1 is provided with a mounting hole 11, the plug 3 is mounted in the mounting hole 11 and electrically connected with the PCB 21, glue is filled between the plug 3 and the bottom shell 1 for sealing, and a sealing part for sealing is formed between the plug 3 and the bottom shell 1.
The process mode of glue filling sealing is simple, the processing and the assembly are facilitated, the sealing layer and the sealing part formed by glue filling are used as the sealing structure of the underwater display screen, the LED lamp 22 and the circuit part of the display module 2 are isolated and sealed from water, and water is prevented from entering the interior of the underwater display screen. In other embodiments, the bottom shell 1 can be internally provided with a power supply, the plug 3 is connected with an external power supply and signals without arranging a mounting hole 11, the assembly positions of the bottom shell 1 and the display module 2 are sealed, and the signals are displayed on the underwater display screen after being transmitted in a wireless mode.
Preferably, the drain channel L is formed on the bottom shell 1 and the display module 2, so that water can permeate the display module 2 and the bottom shell 1 when the underwater display screen is lifted in water, the lifting resistance of the underwater display screen is reduced, the lifting speed is improved, the impact pressure on the underwater display screen is reduced, and the underwater display screen is protected as much as possible.
Further, the bottom case 1 is provided with first water leakage holes 12 through which water passes, the pcb 21 is provided with second water leakage holes 211 through which water passes, and the sealing layer is provided with third water leakage holes (not shown) which are communicated with the first water leakage holes 12 and the second water leakage holes 211 to allow water to pass.
The first water leakage hole 12, the second water leakage hole 211 and the third water leakage hole are opposite and communicated in sequence, so that the resistance is reduced, and the fluidity of the water flowing through the water leakage holes is improved. Of course, the first water leakage hole 12, the second water leakage hole 211, and the third water leakage hole may be appropriately staggered, so that the water flowing is not affected.
Preferably, the circumference of the first water leakage hole 12 is provided with a retainer ring 13 extending into the second water leakage hole 211, and the sealing layer seals the joint position of the retainer ring 13 and the second water leakage hole 211. During assembly, the retainer ring 13 can be inserted into the second water leakage hole 211, so that the positioning function can be realized, and the combination position of the bottom shell 1 and the PCB 21 can be realized on the surface of the PCB 21, thereby being beneficial to glue filling and sealing.
Because the underwater display screen is placed in water, people sometimes stand on the underwater display screen, in order to avoid slipping, an anti-slip structure 4 is further arranged on one side of the display module 2, which is opposite to the bottom shell 1, so that the friction force during standing can be improved, slipping is prevented, and the safety is improved.
In some embodiments, the anti-slip structure 4 includes a transparent mask 41 covered on the display module 2, and anti-slip protrusions 42 are distributed on a side of the transparent mask 41 opposite to the display module 2, and lines may be provided on the transparent mask 41 for anti-slip.
Each LED lamp 22 corresponds to the position of the anti-slip protrusion 42, and the anti-slip protrusion 42 is provided with a concave avoidance groove on one side opposite to the LED lamp 22 so as to accommodate the LED lamp 22 in the corresponding position, so that the thickness of shielding outside the LED lamp 22 can be reduced as much as possible, the transmittance is increased, and the definition is improved.
In addition, fourth water leakage holes 43 for water to permeate are distributed on the transparent face mask 41, and the fourth water leakage holes 43 and the anti-slip protrusions 42 are staggered on the transparent face mask 41, so that water can completely permeate the transparent face mask 41, and deposition on the transparent face mask 41 is avoided.
In order to fix the transparent mask 41, the transparent mask 41 is further provided with a buckle 44 buckled with the bottom shell 1, the buckle 44 is buckled with the bottom shell 1, and the sealing layer is abutted against and sealed with the transparent mask 41.
Preferably, the fourth water leakage hole 43 is opposite to the third water leakage hole, the first water leakage hole 12, the second water leakage hole 211, the third water leakage hole and the fourth water leakage hole 43 form a water leakage channel L, and the buckle 44 penetrates through the first water leakage hole 12, the second water leakage hole 211 and the third water leakage hole and is buckled with the bottom shell 1, so that water passes through the first water leakage hole 12, the second water leakage hole 211, the third water leakage hole and the fourth water leakage hole 43.
In other embodiments, the anti-slip structure 4 may also be formed on the surface of the sealing layer, such as providing bumps, lines, etc. on the outer surface of the sealing layer.
When the underwater display screen is assembled, the assembly sealing process of the underwater display screen comprises the following steps:
s1, mounting a display module 2 on one side of a bottom shell 1, wherein an LED lamp 22 is positioned on one side of a PCB 21 opposite to the bottom shell 1;
s2, glue is filled on the PCB 21 to form a sealing layer for sealing the LED lamp 22.
Preferably, in step S2, the sealing layer covers the bonding position of the bottom case 1 and the PCB 21, and seals the bonding position of the bottom case 1 and the PCB 21.
Further, as described above, the bottom case 1 is provided with the first water leakage holes 12 through which water passes, the pcb 21 is provided with the second water leakage holes 211 through which water passes, the first water leakage holes 12 and the second water leakage holes 211 are opposite, and the circumference of the first water leakage holes 12 is provided with the retainer ring 13 extending into the second water leakage holes 211;
in step S2, the sealing layer seals the joint between the retainer ring 13 and the second water leakage hole 211, and a third water leakage hole communicating with the first water leakage hole 12 and the second water leakage hole 211 for water permeation is formed in the sealing layer.
Further, the underwater display screen further comprises a plug 3, the bottom shell 1 is provided with a mounting hole 11, and the method further comprises the following steps:
s3, mounting the plug 3 in the mounting hole 11 and electrically connecting the plug with the PCB 21;
s4, glue is filled between the plug 3 and the bottom shell 1 for sealing.
Further, the method also comprises the following steps: the transparent mask 41 is covered on the display module 2, the transparent mask 41 is also provided with a buckle 44, and the buckle 44 is buckled with the bottom shell 1.
It will be appreciated that the above technical features may be used in any combination without limitation.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.

Claims (8)

1. An underwater display screen is characterized by comprising a bottom shell (1) and a display module (2);
the display module (2) comprises a PCB (21) and LED lamps (22) distributed on one side of the PCB (21);
the display module (2) is arranged on one side of the bottom shell (1), and the LED lamp (22) is positioned on one side of the PCB (21) opposite to the bottom shell (1);
a sealing layer for covering and sealing the LED lamp (22) is formed on the PCB (21) through glue filling, the sealing layer covers the combination position of the bottom shell (1) and the PCB (21), and the combination position of the bottom shell (1) and the PCB (21) is sealed;
a first water leakage hole (12) for water permeation is distributed on the bottom shell (1), a second water leakage hole (211) for water permeation is distributed on the PCB (21), the first water leakage hole (12) and the second water leakage hole (211) are opposite, and a third water leakage hole communicated with the first water leakage hole (12) and the second water leakage hole (211) for water permeation is formed on the sealing layer;
a retainer ring (13) extending into the second water leakage hole (211) is arranged on the periphery of the first water leakage hole (12);
the sealing layer seals the joint position of the retainer ring (13) and the second water leakage hole (211).
2. The underwater display screen according to claim 1, further comprising a plug (3), wherein a mounting hole (11) is formed in the bottom shell (1), the plug (3) is mounted in the mounting hole (11) and is electrically connected with the PCB board (21), and glue is filled between the plug (3) and the bottom shell (1) for sealing.
3. The underwater display screen according to claim 2, wherein the side of the display module (2) opposite to the bottom case (1) is further provided with an anti-slip structure (4).
4. An underwater display screen as claimed in claim 3, characterized in that the anti-slip structure (4) comprises a transparent face mask (41) arranged on the display module (2), and anti-slip protrusions (42) are distributed on the side of the transparent face mask (41) opposite to the display module (2).
5. The underwater display screen of claim 4, wherein each of the LED lamps (22) corresponds to the location of the anti-slip protrusion (42), and a concave avoidance groove is provided at a side of the anti-slip protrusion (42) opposite to the LED lamp (22) to accommodate the LED lamp (22) at the corresponding location.
6. The underwater display screen as claimed in claim 4, characterized in that fourth water leakage holes (43) through which water is supplied are distributed on the transparent face mask (41).
7. The underwater display screen as claimed in claim 6, characterized in that the transparent face mask (41) is provided with a clasp (44) which is buckled with the bottom shell (1).
8. The underwater display screen according to claim 7, wherein the fourth water leakage hole (43) is opposite to the third water leakage hole, and the buckle (44) passes through the first water leakage hole (12), the second water leakage hole (211) and the third water leakage hole.
CN201910120238.0A 2019-02-18 2019-02-18 Underwater display screen Active CN109754718B (en)

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CN109754719B (en) * 2019-02-18 2024-02-06 深圳市梓桥科技有限公司 Sealing structure of underwater display screen and assembling and sealing process thereof

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