CN219642471U - Waterproof bottom shell for LED display screen module and LED display screen module - Google Patents

Abstract

The utility model discloses a waterproof bottom shell for an LED display screen module and the LED display screen module, the waterproof bottom shell comprises a shell, a cover plate and pouring sealant, the shell comprises a groove part, the groove part is used for installing a PCB, a plurality of through hole parts are arranged on the bottom wall of the groove part, the periphery of each through hole part protrudes towards one side far away from the PCB to form a protruding annular wall, a containing cavity is formed in the protruding annular wall, and the containing cavity is used for containing a connecting terminal for connecting the PCB and a connecting wire; the protruding annular wall is provided with an opening part, the opening part is used for allowing the connecting wire to extend out, the cover plate is covered on the opening part, and the pouring sealant is arranged on the cover plate so as to seal the cover plate and the connecting wire. The waterproof bottom shell is waterproof, and other waterproof structures are not required to be arranged before the support and the waterproof bottom shell are installed.

Description

A waterproof bottom case for LED display module and LED display module

technical field

The utility model relates to the technical field of LED modules, in particular to a waterproof bottom shell for an LED display screen module and an LED display screen module using the waterproof bottom shell.

Background technique

At present, the bottom wall of the bottom shell of the LED display module on the market is provided with many openings, and these openings need to be used for connecting wires to pass through, or to accommodate some large electrical devices, but these openings are not sealed. Therefore, when doing waterproofing, in addition to installing a waterproof rubber ring between the bottom case and the mounting bracket for waterproofing, it is also necessary to install other waterproof components on the mounting bracket to prevent moisture from entering the bottom case from the opening of the bottom case internal PCB board.

Therefore, it is necessary to provide a waterproof bottom case for LED modules that can seal the opening on the bottom wall of the bottom case without affecting wiring.

Utility model content

The utility model provides a waterproof bottom case for an LED display screen module and an LED display screen module using the waterproof bottom case, aiming at solving the above problems.

According to the first aspect of the embodiment of the present application, there is provided a waterproof bottom case for an LED display module, including a case, a cover plate and a potting compound, wherein the case includes a groove portion, The groove part is used to install the PCB board, and the bottom wall of the groove part is provided with a plurality of through-hole parts, and the periphery of the through-hole parts protrudes toward the side away from the PCB board to form a convex A ring wall is raised, and an accommodating cavity is formed in the raised ring wall, and the accommodating cavity is used for accommodating connecting terminals connecting the PCB board and the connecting wire; the raised ring wall has an opening, and the opening is used for extending the connecting wire The cover plate is set on the opening, and the potting glue is set on the cover plate to seal the cover plate and the connecting wire.

In the waterproof bottom case for the LED display module of the present invention, the inner wall of the opening is provided with a placing platform, and the placing platform is used for placing the cover plate.

In the waterproof bottom case for the LED display module of the present invention, a glue filling cavity for containing the potting glue is provided between the cover plate and the end surface of the raised ring wall.

In the waterproof bottom case for LED display module of the present utility model, the raised ring wall is any one of square, T-shaped and circular.

In the waterproof bottom case for the LED display module of the present utility model, an installation hole is arranged on the placing table, and the cover plate is fixed on the Put it on the table.

According to the second aspect of the embodiment of the present application, an LED display module is provided, including the above-mentioned waterproof bottom case for the LED display module, a PCB board and a mask; the PCB board is installed on the In the groove of the waterproof bottom case of the LED display module, the face shield is installed outside the PCB board and fixed on the waterproof bottom case.

In the LED display module of the present invention, a sealant is provided in the gap between the PCB board and the groove.

The technical solutions provided by the embodiments of the present application may include the following beneficial effects: the present application designs a waterproof bottom case for LED display modules, and the waterproof bottom case itself is waterproofed without installing brackets and waterproof bottom cases. Set up other waterproof structures before.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the utility model. For Those of ordinary skill in the art can also obtain other drawings based on these drawings without making creative efforts.

Fig. 1 is the explosion diagram of the waterproof bottom shell of the utility model embodiment;

Fig. 2 is a structural schematic diagram of the perspective of the housing of the embodiment of the present invention towards the PCB board;

Fig. 3 is a structural schematic diagram of the perspective of the shell facing away from the PCB board in the embodiment of the present invention;

Fig. 4 is a schematic structural view of an LED display module of an embodiment of the present invention;

Fig. 5 is a schematic exploded view of the partial structure of the LED display module of the embodiment of the present invention.

Label description:

10. Shell; 11. Groove part; 111. Through hole part; 112. Protruding ring wall; 113. Accommodating chamber; 114. Opening part; 115. Placement table; 116. Mounting hole; 20. Cover plate; 30. Potting glue; 40. PCB board; 50. Connecting wire.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of them. . Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

It should also be understood that the terminology used in the description of the present invention is only for the purpose of describing specific embodiments and is not intended to limit the present invention. As used in this specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural referents unless the context clearly dictates otherwise.

It should also be further understood that the term "and/or" used in the description of the utility model and the appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combination.

Please refer to FIG. 1-FIG. 5 , the utility model discloses a waterproof bottom case for an LED display module, the waterproof bottom case includes a casing 10 , a cover plate 20 and a potting glue 30 . The housing 10 includes a groove portion 11, the groove portion 11 is used to install the PCB board 40, the bottom wall of the groove portion 11 is provided with a through hole portion 111, and the periphery of the through hole portion 111 is convex to the side away from the PCB board 40. A raised ring wall 112 is formed, and an accommodating cavity 113 is formed in the raised ring wall 112 . The accommodating chamber 113 is used for accommodating connecting terminals connecting the PCB board 40 and the connecting wires 50 , as well as some larger electronic devices. The protruding ring wall 112 has an opening 114 from which the connecting wire 50 protrudes. The cover plate 20 is disposed on the opening portion 114 , and the potting glue 30 is disposed on the cover plate 20 to seal the cover plate 20 and the connecting wire 50 . In this application, by setting the raised ring wall 112, the cover plate 20 and the potting glue 30 to seal between the waterproof bottom case for the LED display module and the mounting bracket, it is avoided that external moisture enters from the opening of the bottom wall. On the PCB board 40 , the waterproof performance is good, and the user does not need to install other seals on the mounting bracket.

In an optional embodiment, a placing platform 115 is provided on the inner wall of the opening 114 , and the placing platform 115 is used for placing the cover plate 20 . A mounting hole 116 is provided on the placing table 115 , and the cover plate 20 is fixed on the placing table 115 by passing through the cover plate 20 and the mounting hole 116 .

In this embodiment, a potting cavity 117 for accommodating the potting glue 30 is provided between the cover plate 20 and the end face of the raised ring wall 112 , that is, there is a distance between the placing table 115 and the end face of the raised ring wall 112 . To form a glue filling cavity 117 for glue filling.

The raised ring wall 112 is any one of square, T-shaped and circular. It can be understood that the raised ring wall 112 can also be in other irregular shapes, and the specific shape is set according to the actual situation, which is not limited here.

Please refer to Fig. 4 and Fig. 5, the present application also protects a LED display module, which includes the above-mentioned waterproof bottom case for the LED display module, PCB board 40 and face shield (not shown in the figure) ). The PCB board is installed in the groove portion 11 of the waterproof bottom case used for the LED display module, and the face shield is installed outside the PCB board and fixed on the waterproof bottom case used for the LED display module. A sealant is also provided in the gap between the PCB board 40 and the groove portion 11 .

When assembling the product, first insert the connector of the connecting wire 50 into the interface on the PCB board 40, and pass the connecting wire 50 through the opening 114 of the waterproof bottom case used for the LED display module to connect to the outside world; Then PCB board 40 is fixed on the groove part 11 of the waterproof bottom shell that is used for LED display module, can be fixed by screw; Put sealant on the gap of PCB board 40 and groove part 11 periphery again, to Seal between the PCB board 40 and the groove portion 11; install the mask again; then cover the cover plate 20 on the opening 114 of the waterproof bottom case used for the LED display module, and finally through the glue filling method, in the filling A potting cavity is formed in the glue cavity 117 . The inside of the PCB board 40 of the present application is completely sealed, and external moisture does not enter the PCB board 40 through the waterproof bottom case used for the LED display module. The waterproof performance is good, and there is no need to install other waterproof devices on the mounting bracket part.

The above is only a specific embodiment of the utility model, but the scope of protection of the utility model is not limited thereto, and any person familiar with the technical field can easily think of various Equivalent modifications or replacements shall all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model should be based on the protection scope of the claims.

Claims (7)

1. A waterproof bottom case for an LED display module, comprising a housing, a cover plate and a potting compound, characterized in that the housing includes a groove portion, and the groove portion is used to install a PCB The bottom wall of the groove part is provided with a plurality of through holes, and the periphery of the through holes protrudes toward the side away from the PCB board to form a raised ring wall, and the raised ring An accommodating cavity is formed in the wall, and the accommodating cavity is used for accommodating the connecting terminals connecting the PCB board and the connecting wire; the raised ring wall has an opening, and the opening is used for extending the connecting wire; On the opening, the potting glue is disposed on the cover plate to seal the cover plate and the connecting wire. 2 . The waterproof bottom case for the LED display module according to claim 1 , wherein a placing platform is provided on the inner wall of the opening, and the placing platform is used for placing the cover plate. 3 . 3. The waterproof bottom case for LED display module according to claim 2, characterized in that, a pot for accommodating the potting glue is arranged between the cover plate and the end face of the raised ring wall. Glue cavity. 4. The waterproof bottom case for the LED display module according to claim 2, wherein the raised ring wall is any one of square, T-shaped and circular. 5. The waterproof bottom case for the LED display module according to claim 2, wherein the mounting hole is provided on the placing table, and the screw passes through the cover plate and the mounting hole to connect the The cover plate is fixed on the placement table. 6. An LED display module, characterized in that it comprises a waterproof bottom case, a PCB board and a face shield for the LED display module according to any one of claims 1-4; the PCB board is installed on In the groove part of the waterproof bottom case for the LED display module, the face shield is installed outside the PCB board and fixed on the waterproof bottom case. 7. The LED display module according to claim 6, wherein a sealant is provided in the gap between the PCB board and the groove.