CN111726958A - External member for sealing LED display module and assembling method - Google Patents
External member for sealing LED display module and assembling method Download PDFInfo
- Publication number
- CN111726958A CN111726958A CN202010746288.2A CN202010746288A CN111726958A CN 111726958 A CN111726958 A CN 111726958A CN 202010746288 A CN202010746288 A CN 202010746288A CN 111726958 A CN111726958 A CN 111726958A
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- Prior art keywords
- led display
- sealing
- pcb
- seat
- bonding
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/064—Hermetically-sealed casings sealed by potting, e.g. waterproof resin poured in a rigid casing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/069—Other details of the casing, e.g. wall structure, passage for a connector, a cable, a shaft
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The invention relates to the technical field of LED display modules, in particular to a kit and an assembly method for realizing the sealing of an LED display module, which comprise a fixed shell, a lead shell, a bonding ring seat and a clamping ring sleeve, wherein the fixed shell comprises a barrel, the bonding ring seat and the clamping ring sleeve, the bonding ring seat is fixedly arranged on one side end of the barrel in a surrounding manner, the end surface of one side, far away from the barrel, of the bonding ring seat is provided with the bonding glue, the end surface of the side of the bonding ring seat is fixedly bonded with a PCB power interface of the LED display module through the bonding glue, a male seat of the PCB power interface is arranged in the barrel, and the sealing glue is arranged between the outer side surface of the bonding ring seat and the PCB in a surrounding manner.
Description
Technical Field
The invention relates to the technical field of LED display modules, in particular to a kit for sealing an LED display module and an assembling method.
Background
The outdoor LED display module that can reach IP6X level protection at present is the outdoor LED display module that independent die sinking design and made, needs to use special equipment external member, and cooperation encapsulating and joint strip make the LED module reach the purpose of IP6X level protection, and the outdoor LED of present manufacturer design production protects the module entirely, and model specification diverse needs the shell mould of various outdoor modules to form a complete set, and is with high costs the time, and the interface form can't be unified.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a kit for sealing an LED display module and an assembling method.
In order to achieve the purpose, the invention provides the following technical scheme: a kit for realizing the sealing of an LED display module comprises a fixed shell, a lead shell, adhesive and sealant, wherein the fixed shell comprises a cylinder body, an adhesive ring seat and a clamping ring sleeve,
the bonding ring seat is fixedly arranged on one side end of the barrel in a surrounding manner, the end surface of one side of the bonding ring seat, which is far away from the barrel, is provided with bonding glue, the end surface of the side of the bonding ring seat is fixedly bonded with the position of a PCB power interface of the LED display module through the bonding glue, a male seat of the PCB power interface is arranged in the barrel, sealing glue is arranged between the outer side surface of the bonding ring seat and the PCB in a surrounding manner,
the clamping ring sleeve is fixedly arranged on the other side end of the barrel in a surrounding manner, one end of the lead shell is hermetically sleeved on the clamping ring sleeve in a sealing manner, a power interface female seat is arranged in the lead shell, the power interface female seat is matched and connected with a male seat on the PCB after the lead shell is in sealing fit with the clamping ring sleeve,
the outside surface of joint ring cover is barb ring setting, and barb ring evenly is provided with a plurality ofly, the medial surface setting of lead wire shell and barb ring complex barb groove.
Preferably, the bonding ring seat is arranged in a stepped ring seat shape, and the larger end face of the bonding ring seat is fixedly bonded with the PCB.
Preferably, the adhesive tape is a double-sided tape.
Preferably, the sealant is an electronic outdoor sealant with flame retardant property.
Preferably, the lead shell is made of a flexible rubber material.
Preferably, the lead shell is arranged in a bent tube shape.
In order to achieve the above purpose, the invention also provides the following technical scheme: an assembly method for sealing an LED display module through a sealing sleeve comprises the following steps:
(1) bonding and fixing a bonding ring seat on a fixed shell and a PCB (printed Circuit Board) of the LED display screen module by using a double-faced adhesive tape at the position of a power interface at the back of the existing standard LED display screen semi-protection outdoor module;
(2) filling electronic outdoor sealant on the PCB on the back of the LED display screen module, and sealing the bonding ring seat and the PCB through the sealant;
(3) leading a power line from one end of the lead shell to be electrically connected with a power interface female seat in the lead shell;
(4) and inserting the lead shell with the power line into the barrel, so that the lead shell is in sealing fit with the clamping ring sleeve, and the power interface female seat is in fit connection with the power interface male seat on the PCB.
Preferably, according to the step (2), the filling thickness of the sealant on the PCB is consistent with the thickness of the large end side of the adhesive ring seat.
Preferably, according to steps (3) and (4), the bending direction of the lead case is toward the access direction of the power supply line.
Compared with the prior art, the invention has the beneficial effects that: the universal kit product can be suitable for LED display modules of various specifications; as long as the specification of the cable is not in conflict with the size of the external member, the connecting wire can be adapted to connecting wires in various types and forms theoretically; because the kit adopts a screwless design, the problem of hole site matching does not exist, and the kit can be matched with most of modules with various specifications; in the effective life time of rubber and PC materials, PCB, IC and other materials, water cannot enter, and the service life of the module is prolonged.
By using the external member and the assembling method, the semi-protection outdoor module of the LED display screen (the front surface IP 6X-level protection, the back surface IP 0X-level protection LED display module and the same below) can achieve the full-sealing IP 6X-level protection without redesigning the outdoor LED module external member, the product is expanded into a power signal integrated interface, the semi-protection outdoor module is matched with the semi-protection outdoor module, and the semi-protection outdoor module can be matched with the majority of products, so that the upgrading and the expansion of future products are greatly facilitated, the assembling process is relatively simpler, and the products can completely achieve the IP 68-level protection.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure: 1. a PCB; 2. sealing glue; 3. double-sided adhesive tape; 4. a barrel; 5. a lead case; 6. a power interface male base; 7. a bonding ring seat; 8. the ring sleeve is clamped.
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. 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.
Referring to fig. 1, the present invention provides a technical solution: a kit for realizing the sealing of an LED display module comprises a fixed shell, a lead shell, adhesive and sealant, wherein the fixed shell comprises a cylinder body, an adhesive ring seat and a clamping ring sleeve,
the bonding ring seat is fixedly arranged on one side end of the barrel in a surrounding manner, the end surface of one side of the bonding ring seat, which is far away from the barrel, is provided with bonding glue, the end surface of the side of the bonding ring seat is fixedly bonded with the position of a PCB power interface of the LED display module through the bonding glue, a male seat of the PCB power interface is arranged in the barrel, sealing glue is arranged between the outer side surface of the bonding ring seat and the PCB in a surrounding manner,
the clamping ring sleeve is fixedly arranged on the other side end of the barrel in a surrounding manner, one end of the lead shell is hermetically sleeved on the clamping ring sleeve in a sealing manner, a power interface female seat is arranged in the lead shell, the power interface female seat is matched and connected with a male seat on the PCB after the lead shell is in sealing fit with the clamping ring sleeve,
the outside surface of joint ring cover is barb ring setting, and barb ring evenly is provided with a plurality ofly, the medial surface setting of lead wire shell and barb ring complex barb groove.
The bonding ring seat is arranged in a stepped ring seat shape, and the larger end face of the bonding ring seat is fixedly bonded with the PCB.
The adhesive tape is a double-sided adhesive tape which is waterproof, has enough adhesive force and has flame retardant property.
The sealant is an electronic outdoor sealant with flame retardant property.
The lead shell is made of flexible rubber materials.
The lead shell is arranged in a bent pipe shape.
An assembly method for sealing an LED display module through a sealing sleeve comprises the following steps:
(1) bonding and fixing a bonding ring seat on a fixed shell and a PCB (printed Circuit Board) of the LED display screen module by using a double-faced adhesive tape at the position of a power interface at the back of the existing standard LED display screen semi-protection outdoor module;
(2) filling electronic outdoor sealant on the PCB on the back of the LED display screen module, and sealing the bonding ring seat and the PCB through the sealant;
(3) leading a power line from one end of the lead shell to be electrically connected with a power interface female seat in the lead shell;
(4) and inserting the lead shell with the power line into the barrel, so that the lead shell is in sealing fit with the clamping ring sleeve, and the power interface female seat is in fit connection with the power interface male seat on the PCB.
According to the 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 seam between the PCB and the bonding ring seat is sealed, and meanwhile, the thickness of the sealant needs to cover all the driving chips on the back of the PCB.
According to the steps (3) and (4), under the influence of the rubber characteristics, the bending direction of the lead shell faces the access direction of the power line, so that the phenomenon that water accumulated at the lead port permeates into a sealed cavity formed by the lead shell and the fixing shell due to aging of the rubber in the using process is prevented.
Through this technical scheme, 1, current full outdoor type LED display screen (and module), can only reach front IP68 level protection, and the back is PCB and exposes, uses the box structure of panel beating or die-casting, makes the back reach IP68 level protection. The product can make the back of the module, especially the lead interface position, also reach IP68 level protection level, dustproof, waterproof and flame retardant.
2. The LED display screen in the above 1 can only use a special box structure, and the module and the box are fixed by using the screw auxiliary sealing rubber ring, and the product in the invention can enable the module to achieve comprehensive IP68 protection, so that more installation modes can be provided for the LED display screen, such as: front maintenance type outdoor LED display screen installed by using magnet
3. According to the above 2, the advantages of the LED display screen are not limited to more installation types, heavy metal plates or die-casting box structures can be omitted, the thickness of the LED display screen is greatly reduced, and the weight of the LED display screen is light and controllable
4. The existing full outdoor LED display screen (and module) can achieve comprehensive (front and back) IP68 protection, but all use a specially customized module bottom shell external member to achieve the purpose of sealing the module PCB and the driving chip, the product structure is complex, and different products need more external members and molds. The accessories 4 and 5 in the invention are universal kits, can be adapted to most LED display screen modules, greatly simplifies the product structure if the kit designed by combining power signals is used, can be installed on most existing products, and saves a large amount of repeated design cost of the die
5. The mounting mode without screws does not need to be operated by using a complex mounting tool, so that the mounting process is convenient and fast, and the complex uncontrollable working condition factors caused by the matching of various parts and tools are reduced.
Can design the external member of power and signal combination in the in-service use process, mix the interface of power and signal line to one set of external member in to reach the purpose of simplifying the product structure, can install this external member on present vast majority of products, practice thrift a large amount of mould repeated design costs.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a realize sealed external member of LED display module assembly which characterized in that: comprises a fixed shell, a lead shell, adhesive and sealant, wherein the fixed shell comprises a cylinder body, an adhesive ring seat and a clamping ring sleeve,
the bonding ring seat is fixedly arranged on one side end of the barrel in a surrounding manner, the end surface of one side of the bonding ring seat, which is far away from the barrel, is provided with bonding glue, the end surface of the side of the bonding ring seat is fixedly bonded with the position of a PCB power interface of the LED display module through the bonding glue, a male seat of the PCB power interface is arranged in the barrel, sealing glue is arranged between the outer side surface of the bonding ring seat and the PCB in a surrounding manner,
the clamping ring sleeve is fixedly arranged on the other side end of the barrel in a surrounding manner, one end of the lead shell is hermetically sleeved on the clamping ring sleeve in a sealing manner, a power interface female seat is arranged in the lead shell, the power interface female seat is matched and connected with a male seat on the PCB after the lead shell is in sealing fit with the clamping ring sleeve,
the outside surface of joint ring cover is barb ring setting, and barb ring evenly is provided with a plurality ofly, the medial surface setting of lead wire shell and barb ring complex barb groove.
2. The kit for sealing the LED display module according to claim 1, wherein: the bonding ring seat is arranged in a stepped ring seat shape, and the larger end face of the bonding ring seat is fixedly bonded with the PCB.
3. The kit for sealing the LED display module according to claim 1, wherein: the adhesive tape is a double-sided adhesive tape.
4. The kit for sealing the LED display module according to claim 1, wherein: the sealant is an electronic outdoor sealant with flame retardant property.
5. The kit for sealing the LED display module according to claim 1, wherein: the lead shell is made of flexible rubber materials.
6. The kit for sealing the LED display module according to claim 1, wherein: the lead shell is arranged in a bent pipe shape.
7. The utility model provides an assembly method for LED display module realizes sealedly through sealed external member which characterized in that: the method comprises the following steps:
(1) bonding and fixing a bonding ring seat on a fixed shell and a PCB (printed Circuit Board) of the LED display screen module by using a double-faced adhesive tape at the position of a power interface at the back of the existing standard LED display screen semi-protection outdoor module;
(2) filling electronic outdoor sealant on the PCB on the back of the LED display screen module, and sealing the bonding ring seat and the PCB through the sealant;
(3) leading a power line from one end of the lead shell to be electrically connected with a power interface female seat in the lead shell;
(4) and inserting the lead shell with the power line into the barrel, so that the lead shell is in sealing fit with the clamping ring sleeve, and the power interface female seat is in fit connection with the power interface male seat on the PCB.
8. The kit and the assembly method for sealing the LED display module according to claim 1, wherein: according to the step (2), the filling thickness of the sealant on the PCB is consistent with the thickness of the large end side of the adhesive ring seat.
9. The kit and the assembly method for sealing the LED display module according to claim 1, wherein: according to the steps (3) and (4), the bending direction of the lead case is toward the access direction of the power supply line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746288.2A CN111726958A (en) | 2020-07-29 | 2020-07-29 | External member for sealing LED display module and assembling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746288.2A CN111726958A (en) | 2020-07-29 | 2020-07-29 | External member for sealing LED display module and assembling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111726958A true CN111726958A (en) | 2020-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010746288.2A Pending CN111726958A (en) | 2020-07-29 | 2020-07-29 | External member for sealing LED display module and assembling method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111726958A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874970A (en) * | 2023-03-08 | 2023-03-31 | 天津市益彰石油科技发展有限公司 | Bidirectional pressure-bearing wedge type sealer |
-
2020
- 2020-07-29 CN CN202010746288.2A patent/CN111726958A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874970A (en) * | 2023-03-08 | 2023-03-31 | 天津市益彰石油科技发展有限公司 | Bidirectional pressure-bearing wedge type sealer |
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