A kit and assembly method for achieving sealing of LED display module

Abstract

The present invention relates to the technical field of LED display modules, and in particular to a kit and assembly method for achieving sealing of an LED display module, comprising a fixing shell, a lead shell, adhesive glue and sealant. The fixing shell comprises a cylinder, an adhesive ring seat and a clamping ring sleeve. The adhesive ring seat is fixedly arranged on one side end of the cylinder, and adhesive glue is provided on an end face of the adhesive ring seat away from the cylinder. The end face of the adhesive ring seat is bonded and fixed to a PCB power interface position of the LED display module via the adhesive glue. The male seat of the PCB power interface is placed in the cylinder, and sealant is provided between the outer side surface of the adhesive ring seat and the PCB. The present invention is suitable for most semi-protective outdoor modules, greatly facilitating future product upgrades and expansions. The assembly process is also relatively simpler, and the product can fully achieve IP68 protection level.

Description

Technical Field

[0001] The present invention relates to the technical field of LED display modules, and specifically relates to a kit and an assembly method for achieving sealing of an LED display module. Background Art

[0002] Currently, outdoor LED display modules that can achieve IP6X protection are all independently designed and manufactured. They require the use of special assembly kits, combined with glue potting and sealing strips to enable the LED modules to achieve IP6X protection. In addition, the outdoor LED full-protection modules currently designed and produced by manufacturers have different models and specifications, requiring matching shell molds for various outdoor modules. This is costly and the interface format cannot be standardized. Summary of the Invention

[0003] In view of the shortcomings of the prior art, the present invention aims to provide a kit and an assembly method for sealing an LED display module.

[0004] To achieve the above object, the present invention provides the following technical solution: a kit for sealing an LED display module, comprising a fixing shell, a lead shell, adhesive and sealant, wherein the fixing shell comprises a cylinder, an adhesive ring seat and a clamping ring sleeve,

[0005] The adhesive ring seat is fixedly arranged on one side end of the cylinder, and an adhesive is arranged on the end face of the adhesive ring seat away from the cylinder. The end face of the adhesive ring seat is bonded and fixed to the PCB power interface position of the LED display module through the adhesive. The male seat of the PCB power interface is placed in the cylinder, and a sealant is arranged around the outer side of the adhesive ring seat and the PCB.

[0006] The clamping ring is fixedly arranged on the other side of the cylinder, and the sealing sleeve at one end of the lead shell is arranged on the clamping ring. The power interface female seat is arranged in the lead shell. After the lead shell and the clamping ring are sealed and matched, the power interface female seat is matched and connected with the male seat on the PCB.

[0007] The outer surface of the clamping ring sleeve is provided with a barb ring, and a plurality of barb rings are evenly arranged. The inner side surface of the lead shell is provided with a barb groove matched with the barb ring.

[0008] Preferably, the bonding ring seat is arranged in a stepped ring seat shape, and the larger end surface of the bonding ring seat is bonded and fixed to the PCB.

[0009] Preferably, the adhesive is double-sided tape.

[0010] Preferably, the sealant is an electronic outdoor sealant with flame retardant properties.

[0011] Preferably, the lead housing is made of flexible rubber material.

[0012] Preferably, the lead shell is arranged in a curved tube shape.

[0013] To achieve the above-mentioned object, the present invention further provides the following technical solution: an assembly method for sealing an LED display module through a sealing kit, the steps of which are as follows:

[0014] (1) Use double-sided tape to bond the bonding ring seat on the fixed shell to the PCB of the LED display module at the power interface position on the back of the existing standard LED display semi-protected outdoor module;

[0015] (2) Fill the PCB on the back of the LED display module with electronic outdoor sealant to seal the bonding ring seat and the PCB;

[0016] (3) Lead the power cord from one end of the lead housing and electrically connect it to the power interface female socket inside the lead housing;

[0017] (4) Insert the lead shell with the power cord into the barrel so that the lead shell is sealed with the clamping ring sleeve, and the power interface female socket is connected with the power interface male socket on the PCB.

[0018] Preferably, according to step (2), the filling thickness of the sealant on the PCB is consistent with the thickness of the large end side of the bonding ring seat.

[0019] Preferably, according to steps (3) and (4), the bending direction of the lead shell is toward the access direction of the power cord.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the universal kit product can be applied to LED display modules of various specifications; as long as the cable specifications do not conflict with the size of the kit, it can theoretically adapt to various styles and forms of connecting cables; because the kit adopts a screw-free design, there is no problem of hole matching, that is, it can be adapted to most modules of various specifications; within the effective life of rubber and PC materials, PCB, IC and other materials, water will not enter, thereby extending the service life of the module itself.

[0021] Using this kit and assembly method, the semi-protective outdoor module of the LED display (referring to the LED display module with IP6X protection level on the front and IP0X protection level on the back, the same below) can achieve fully sealed IP6X protection level without redesigning the outdoor LED module kit. The product is expanded to an integrated power signal interface, and the semi-protective outdoor module is matched. It can achieve that one set of products is adapted to the vast majority of semi-protective outdoor modules, which greatly facilitates future product upgrades and expansions. The assembly process is also relatively simpler, and the product can fully achieve IP68 protection level. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1It is a structural schematic diagram of the present invention.

[0023] In the figure: 1. PCB; 2. Sealant; 3. Double-sided tape; 4. Cylinder; 5. Lead shell; 6. Power interface male socket; 7. Adhesive ring seat; 8. Snap ring sleeve. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figure 1 The present invention provides a technical solution: a kit for achieving sealing of an LED display module, comprising a fixing shell, a lead shell, adhesive and sealant, wherein the fixing shell comprises a cylinder, an adhesive ring seat and a clamping ring sleeve.

[0026] The adhesive ring seat is fixedly arranged on one side end of the cylinder, and an adhesive is arranged on the end face of the adhesive ring seat away from the cylinder. The end face of the adhesive ring seat is bonded and fixed to the PCB power interface position of the LED display module through the adhesive. The male seat of the PCB power interface is placed in the cylinder, and a sealant is arranged around the outer side of the adhesive ring seat and the PCB.

[0027] The clamping ring is fixedly arranged on the other side of the cylinder, and the sealing sleeve at one end of the lead shell is arranged on the clamping ring. The power interface female seat is arranged in the lead shell. After the lead shell and the clamping ring are sealed and matched, the power interface female seat is matched and connected with the male seat on the PCB.

[0028] The outer surface of the clamping ring sleeve is provided with a barb ring, and a plurality of barb rings are evenly arranged. The inner side surface of the lead shell is provided with a barb groove matched with the barb ring.

[0029] The bonding ring seat is arranged in a stepped ring seat shape, and the larger end surface of the bonding ring seat is bonded and fixed to the PCB.

[0030] The adhesive is a double-sided tape, which should be waterproof, have sufficient adhesive strength and be flame retardant.

[0031] The sealant is an electronic outdoor sealant with flame retardant properties.

[0032] The lead housing is made of flexible rubber material.

[0033] The lead shell is arranged in a bent tube shape.

[0034] An assembly method for sealing an LED display module using a sealing kit, comprising the following steps:

[0035] (1) Use double-sided tape to bond the bonding ring seat on the fixed shell to the PCB of the LED display module at the power interface position on the back of the existing standard LED display semi-protected outdoor module;

[0036] (2) Fill the PCB on the back of the LED display module with electronic outdoor sealant to seal the bonding ring seat and the PCB;

[0037] (3) Lead the power cord from one end of the lead housing and electrically connect it to the power interface female socket inside the lead housing;

[0038] (4) Insert the lead shell with the power cord into the barrel so that the lead shell is sealed with the clamping ring sleeve, and the power interface female socket is connected with the power interface male socket on the PCB.

[0039] According to step (2), the filling thickness of the sealant on the PCB is consistent with the thickness of the large end side of the bonding ring seat, so that the joint between the PCB board and the bonding ring seat is sealed. At the same time, the thickness of the sealant needs to cover all the driver chips on the back of the PCB board.

[0040] According to steps (3) and (4), influenced by the properties of the rubber, the bending direction of the lead shell is toward the access direction of the power cord to prevent the rubber from aging during use and causing water to accumulate at the lead port and penetrate into the sealed cavity formed by the lead shell and the fixed shell.

[0041] This technical solution addresses the following issues: 1. Existing fully outdoor LED displays (and modules) only achieve IP68 protection on the front, while the back, with its exposed PCB, requires a sheet metal or die-cast enclosure to achieve IP68 protection on the back. This product can also achieve IP68 protection on the back of these modules, especially at the lead interface, providing dustproof, waterproof, and flame-retardant protection.

[0042] 2. The LED display screen in the above 1 can only use a dedicated box structure, and the module and the box are fixed with screws and auxiliary sealing rubber rings. The product in this invention can make the module itself achieve full IP68 protection, so it can provide more installation methods for the LED display screen itself, such as: front maintenance outdoor LED display screen installed with magnets

[0043] 3. According to the above 2, the benefits that can be provided to LED displays are not limited to more installation methods, but also can omit bulky sheet metal or die-cast box structures, greatly compressing the thickness of the LED display itself, and making the weight of the LED display light and controllable.

[0044] 4. Among the existing fully outdoor LED display screens (and modules), only a few products can achieve full (front and back) IP68 protection, but they all use specially customized module bottom shell kits to achieve the purpose of sealing the module PCB and driver chip. The product structure is complex, and different products require more kit molds to be designed. Accessories 4 and 5 in the present invention are universal kits that can adapt to most LED display screen modules. If a kit designed with power signal combination is used, the product structure is greatly simplified. This kit can be installed on most existing products, saving a lot of mold duplication design costs.

[0045] 5. The screwless installation method does not require the use of complex installation tools, which makes the installation process convenient while reducing the complex working conditions and uncontrollable factors caused by the coordination of various parts and tools.

[0046] In actual use, a power and signal combination kit can be designed, that is, the interfaces of the power and signal lines are mixed into one kit to simplify the product structure. This kit can be installed on most existing products, saving a lot of mold duplication design costs.

[0047] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A kit for sealing an LED display module, characterized in that: It includes a fixed shell, a lead shell, adhesive and sealant. The fixed shell includes a cylinder, an adhesive ring seat and a clamping ring sleeve. The adhesive ring seat is fixedly arranged on one side end of the cylinder, and an adhesive is arranged on the end face of the adhesive ring seat away from the cylinder. The end face of the adhesive ring seat is bonded and fixed to the PCB power interface position of the LED display module through the adhesive. The male seat of the PCB power interface is placed in the cylinder, and a sealant is arranged around the outer side of the adhesive ring seat and the PCB. The clamping ring is fixedly arranged on the other side of the cylinder, and the sealing sleeve at one end of the lead shell is arranged on the clamping ring. The power interface female seat is arranged in the lead shell. After the lead shell and the clamping ring are sealed and matched, the power interface female seat is matched and connected with the male seat on the PCB. The outer surface of the clamping ring sleeve is provided with a barb ring, and a plurality of barb rings are evenly provided. The inner side surface of the lead shell is provided with a barb groove that cooperates with the barb ring. The bonding ring seat is arranged in a stepped ring seat shape, and the larger end surface of the bonding ring seat is bonded and fixed to the PCB. The bonding glue is a double-sided tape.

2. The kit for sealing an LED display module according to claim 1, wherein: The sealant is an electronic outdoor sealant with flame retardant properties.

3. The kit for sealing an LED display module according to claim 1, wherein: The lead housing is made of flexible rubber material.

4. The kit for sealing an LED display module according to claim 1, wherein: The lead shell is arranged in a bent tube shape.

5. A method for sealing an LED display module using a sealing kit, characterized in that: The steps are: (1) Use double-sided tape to bond the bonding ring seat on the fixed shell to the PCB of the LED display module at the power interface position on the back of the existing standard LED display semi-protected outdoor module; (2) Fill the PCB on the back of the LED display module with electronic outdoor sealant to seal the bonding ring seat and the PCB; (3) Lead the power cord from one end of the lead housing and electrically connect it to the power interface female socket inside the lead housing; (4) Insert the lead shell with the power cord into the barrel so that the lead shell is sealed with the clamping ring sleeve, and the power interface female socket is connected with the power interface male socket on the PCB.

6. The assembly method according to claim 5, wherein: According to step (2), the filling thickness of the sealant on the PCB is consistent with the thickness of the large end side of the bonding ring seat.

7. The assembly method according to claim 5, wherein: According to steps (3) and (4), the bending direction of the lead shell is toward the access direction of the power line.

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