CN218998572U

CN218998572U - Non-cyanide PCB dampproof structure

Info

Publication number: CN218998572U
Application number: CN202223384619.6U
Authority: CN
Inventors: 郑洪伟
Original assignee: Fujian Zheng Energy Circuit Technology Co ltd
Current assignee: Fujian Zheng Energy Circuit Technology Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-05-09
Anticipated expiration: 2032-12-15

Abstract

The utility model relates to the technical field of cyanide-free PCBs, in particular to a cyanide-free PCB dampproof structure, which comprises a sealing ring and a plastic shell, wherein the sealing ring is fixedly connected to the outer side of the cyanide-free PCB through a limiting groove, the right side of the upper end of the cyanide-free PCB is fixedly connected with the plastic shell, the inner side of the plastic shell is fixedly connected with a power wire, the power wire is fixedly connected with a conductive block through a fixing plate, and clamping grooves are formed in the inner sides of the left end and the right end of the plastic shell.

Description

Non-cyanide PCB dampproof structure

Technical Field

The utility model relates to the technical field of cyanide-free PCB boards, in particular to a moisture-proof structure of a cyanide-free PCB board.

Background

The cyanide-free PCB, namely a printed circuit board, is an important electronic component, is a support body of an electronic component, is a carrier for electrically connecting the electronic component with each other, is connected with the electronic component in a soldering way, and is moistureproof through an external protective shell in the using process to avoid the problem of corrosion of welding spots;

however, the problem that moisture and water are permeated from the connecting position of the external conductive block and the protective shell of the cyanide-free PCB easily occurs in the actual use process of the existing cyanide-free PCB, so that welding spots inside the cyanide-free PCB are corroded is solved, and therefore, the cyanide-free PCB dampproof structure is provided for the problem.

Disclosure of Invention

The utility model aims to provide a cyanide-free PCB dampproof structure, which solves the problem that the connecting position of the traditional cyanide-free PCB externally connected conductive block and a protective shell is corroded by internal welding spots due to infiltration of moisture and water.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a dampproofing structure of non-cyanide PCB board, includes sealing washer and plastic casing, the sealing washer passes through spacing groove fixed connection in the non-cyanide PCB board outside, non-cyanide PCB board upper end right side fixedly connected with plastic casing, the inboard fixedly connected with power cord of plastic casing, the power cord passes through fixed plate and conducting block fixed connection, the draw-in groove has all been seted up to both ends inboard about the plastic casing, the equal fixedly connected with fixture block in fixed plate front end left and right sides, the fixed plate passes through fixture block and draw-in groove block connection at the plastic casing is inboard.

Preferably, the power line and the conductive blocks are provided with a plurality of power lines and the conductive blocks are arranged in a one-to-one correspondence mode, and the conductive blocks are electrically connected with the cyanide-free PCB through the power line.

Preferably, the power cord is arranged at a position between the fixing plate and the plastic shell, the outer wall of the fixing plate is in sliding connection with the inner wall of the plastic shell, and the outer side of the plastic shell is clung to the inner wall of the groove formed at the upper end of the sealing ring.

Preferably, the upper end and the lower end of the cyanide-free PCB are respectively provided with a first heat conducting plate and a second heat conducting plate, one ends of the first heat conducting plate and the second heat conducting plate, which are close to the cyanide-free PCB, are fixedly connected with heat conducting blocks, the surfaces of the heat conducting blocks and the cyanide-free PCB are clung, and the first heat conducting plate and the second heat conducting plate are clung to the upper end and the lower end of the sealing ring respectively.

Preferably, the first heat conducting plate is fixedly connected to the lower end of the upper protection cover, the second heat conducting plate is fixedly connected to the inner side of the lower end of the lower protection cover, and the upper protection cover and the lower protection cover are fixedly connected through a gluing layer.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arranged sealing ring, the plastic shell, the first heat-conducting plate and the second heat-conducting plate, the problem of corrosion of welding spots inside the cyanide-free PCB can be prevented from happening when moisture and water permeate from the connection position of the cyanide-free PCB conductive block and the shell, and the cyanide-free PCB can be radiated through the arranged first heat-conducting plate and the second heat-conducting plate matched with the heat-conducting block, so that the heat-conducting plate has good practical value;

2. according to the utility model, through the power line, the fixing plate, the clamping groove and the clamping block, the conductive block is convenient to be straightened and replaced when the conductive block is bent and damaged, and meanwhile, the moisture-proof effect can be further achieved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of the structure a in fig. 1 according to the present utility model.

In the figure: the novel heat-conducting plate comprises a 1-cyanide-free PCB, a 2-protection bottom shell, a 3-protection upper cover, a 4-first heat-conducting plate, a 5-second heat-conducting plate, a 6-heat-conducting block, a 7-sealing ring, an 8-limit groove, a 9-groove, a 10-plastic shell, an 11-power line, a 12-clamping groove, a 13-fixing plate, a 14-clamping block and a 15-heat-conducting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Referring to fig. 1-2, the present utility model provides a technical solution:

the utility model provides a dampproofing structure of cyanide-free PCB board, including sealing washer 7 and plastic casing 10, sealing washer 7 passes through spacing groove 8 fixed connection in the outside of cyanide-free PCB board 1, the inside fixedly connected with plastic casing 10 of cyanide-free PCB board 1 upper end right side, plastic casing 10 inboard fixedly connected with power cord 11, power cord 11 passes through fixed plate 13 and conductive block 15 fixed connection, draw-in groove 12 has all been seted up to both ends inboard about plastic casing 10, the equal fixedly connected with fixture block 14 of both sides about fixed plate 13 front end, fixed plate 13 passes through fixture block 14 and draw-in groove 12 block connection in plastic casing 10 inboard.

The power line 11 and the conductive blocks 15 are provided with a plurality of power lines 11 and the conductive blocks 15 which are arranged in a one-to-one correspondence manner, the conductive blocks 15 are electrically connected with the cyanide-free PCB 1 through the power lines 11, and the arranged arrangement can prevent moisture and water from penetrating into the inner side of the cyanide-free PCB 1 from the position of the conductive blocks 15 in the actual use process; the power line 11 is arranged between the fixing plate 13 and the plastic shell 10, the outer wall of the fixing plate 13 is in sliding connection with the inner wall of the plastic shell 10, the outer side of the plastic shell 10 is clung to the inner wall of the groove 9 formed in the upper end of the sealing ring 7, the fixing plate 13 can be stably arranged at the position inside the plastic shell 10, and meanwhile, the fixing plate 13 can be conveniently taken out from the plastic shell 10 in the later period; the upper end and the lower end of the cyanide-free PCB 1 are respectively provided with a first heat conducting plate 4 and a second heat conducting plate 5, one ends of the first heat conducting plate 4 and the second heat conducting plate 5, which are close to the cyanide-free PCB 1, are fixedly connected with heat conducting blocks 6, the heat conducting blocks 6 are clung to the surfaces of the cyanide-free PCB 1, the first heat conducting plate 4 and the second heat conducting plate 5 are clung to the upper end and the lower end of a sealing ring 7 respectively, and the cyanide-free PCB 1 can be radiated in the actual use process; the first heat-conducting plate 4 is fixedly connected to the lower end of the upper protection cover 3, the second heat-conducting plate 5 is fixedly connected to the inner side of the lower end of the lower protection cover 2, the upper protection cover 3 and the lower protection cover 2 are fixedly connected through the glue coating layer, and the stability of the whole structure of the device can be guaranteed in the actual use process.

The working flow is as follows: in the process of installing and using a cyanide-free PCB dampproof structure: firstly, the staff needs to install the sealing ring 7 outside the cyanide-free PCB 1, after the installation is completed, the cyanide-free PCB 1 is packaged through the upper protection cover 3 and the bottom protection shell 2, after the packaging is completed, the sealing ring can be connected with the conducting block 15 fixed on the fixing plate 13 on the inner side of the plastic shell 10 through an external plug, in the actual use process, the problem of dampness around the cyanide-free PCB 1 can be prevented through the sealing ring 7 matched with the first conducting plate 4 and the second conducting plate 5, meanwhile, the conducting block 15 is connected with the inside cyanide-free PCB 1 through the power wire 11, moisture and water can be prevented from entering the periphery of the cyanide-free PCB 1 from the position of the conducting block 15, a good isolation effect is achieved, the problem of corrosion can be prevented from occurring at the welding spot position of the cyanide-free PCB 1 in the actual use process through the conducting block 6 fixedly connected with one side of the first conducting plate 4 and the second conducting plate 5, in addition, in the later use process, the heat dissipation condition of the cyanide-free PCB 1 and the electronic components installed at the upper end can be prevented, and the heat dissipation area can be conveniently replaced through the fixing plate 13 when the fixing plate 13 is bent, and the heat dissipation area is good, and the heat dissipation area is convenient and easy to replace.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a no cyanogen PCB board dampproofing structure, includes sealing washer (7) and plastic housing (10), its characterized in that: sealing washer (7) are in cyanide-free PCB board (1) outside through spacing groove (8) fixed connection, cyanide-free PCB board (1) upper end right side fixedly connected with plastic housing (10), plastic housing (10) inboard fixedly connected with power cord (11), power cord (11) are through fixed plate (13) and conducting block (15) fixed connection, draw-in groove (12) have all been seted up to both ends inboard about plastic housing (10), all fixedly connected with fixture block (14) in fixed plate (13) front end left and right sides, fixture block (14) and draw-in groove (12) block connection are inboard at plastic housing (10) in fixed plate (13).

2. The cyanide-free PCB board moisture-proof structure of claim 1, wherein: the power line (11) and the conductive blocks (15) are provided with a plurality of power lines, the power line (11) and the conductive blocks (15) are arranged in a one-to-one correspondence mode, and the conductive blocks (15) are electrically connected with the cyanide-free PCB (1) through the power line (11).

3. The cyanide-free PCB board moisture-proof structure of claim 1, wherein: the power line (11) is arranged at a position between the fixing plate (13) and the plastic shell (10), the outer wall of the fixing plate (13) is in sliding connection with the inner wall of the plastic shell (10), and the outer side of the plastic shell (10) is tightly attached to the inner wall of the groove (9) formed in the upper end of the sealing ring (7).

4. The cyanide-free PCB board moisture-proof structure of claim 1, wherein: the cyanide-free PCB (1) is characterized in that a first heat conducting plate (4) and a second heat conducting plate (5) are arranged at the upper end and the lower end of the cyanide-free PCB (1) respectively, a heat conducting block (6) is fixedly connected to one ends, close to the cyanide-free PCB (1), of the first heat conducting plate (4) and the second heat conducting plate (5), the surfaces of the heat conducting block (6) and the cyanide-free PCB (1) are clung, and the first heat conducting plate (4) and the second heat conducting plate (5) are clung to the upper end and the lower end of a sealing ring (7) respectively.

5. The cyanide-free PCB board moisture-proof structure of claim 4, wherein: the first heat-conducting plate (4) is fixedly connected to the lower end of the upper protection cover (3), the second heat-conducting plate (5) is fixedly connected to the inner side of the lower end of the lower protection shell (2), and the upper protection cover (3) and the lower protection shell (2) are fixedly connected through a gluing layer.