WO2021062942A1 - 一种具有防潮结构的线路板 - Google Patents
一种具有防潮结构的线路板 Download PDFInfo
- Publication number
- WO2021062942A1 WO2021062942A1 PCT/CN2019/124375 CN2019124375W WO2021062942A1 WO 2021062942 A1 WO2021062942 A1 WO 2021062942A1 CN 2019124375 W CN2019124375 W CN 2019124375W WO 2021062942 A1 WO2021062942 A1 WO 2021062942A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- layer
- circuit board
- moisture
- proof
- fixed
- Prior art date
Links
Images
Classifications
-
- 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
- H05K1/00—Printed circuits
- H05K1/02—Details
Definitions
- the utility model relates to the technical field of circuit boards, in particular to a circuit board with a moisture-proof structure.
- the circuit board makes the circuit miniaturized and intuitive, and plays an important role in the mass production of fixed circuits and optimizing the layout of electrical appliances.
- the circuit board also known as the printed circuit board, is an important electronic component, a support for electronic components, and electronics.
- the carrier for electrical connection of components, and most of the traditional circuit boards have no moisture-proof function. When they are used in a relatively humid environment, it is easy to condense on the surface of the circuit board, causing damage to the electronic components and easy penetration of moisture. To cause damage to the inside of the circuit board, for this reason, we propose a circuit board with a moisture-proof structure to solve the above problems.
- the purpose of the utility model is to solve the traditional circuit boards in the prior art, most of which have no moisture-proof function.
- small water drops are easily condensed on the surface of the circuit board, causing damage to electronic components.
- Moisture can easily penetrate into the circuit board and cause damage to the circuit board.
- a circuit board with a moisture-proof structure is proposed.
- a circuit board with a moisture-proof structure including an L-shaped fixed frame, a circuit board is fixed on the inner side of the L-shaped fixed frame, and an upper water-proof and moisture-proof layer is fixed on one side of the circuit board, and the upper water-proof and moisture-proof
- the side of the layer away from the circuit board is fixed with an anti-condensation layer
- the side of the circuit board away from the upper water and moisture-proof layer is fixed with a fire-retardant and flame-retardant layer
- the fire-retardant layer is away from the circuit
- An upper insulating layer is fixed on one side of the board
- an electric heating sheet is fixed on the side of the upper insulating layer away from the fire-retardant layer
- the side of the electric heating sheet away from the upper insulating layer is fixedly arranged
- There is a lower insulating layer the side of the lower insulating layer away from the heating sheet is fixedly provided with a lower water-proof and moisture-proof layer, and the side of
- an A triangle sealing strip is fixed on one side of the compression frame, and one side of the A triangle sealing strip is fixedly connected to the side of the anti-condensation layer.
- a B triangle sealing strip is fixed on one side of the L-shaped fixed frame, and one side of the B triangle sealing strip is fixedly connected to a side of the anti-mold layer.
- a moisture-proof sealing ring is fixed between one side of the L-shaped fixed frame and one side of the compression frame.
- one side of the compression frame is provided with several screw holes
- one side of the L-shaped fixing frame is provided with thread grooves at the positions of the screw holes
- the screw holes are provided with hexagonal slotted screws, so One side of the hexagon socket screw passes through the screw hole and extends to the inner side of the thread groove.
- both sides of the L-shaped fixing frame far away are fixedly provided with L-shaped mounting plates.
- the utility model proposes a circuit board with a moisture-proof structure.
- the beneficial effect is that by providing the upper and lower water-proof and moisture-proof layers, both sides have the function of water-proof and moisture-proof, which can protect the internal structure from being damaged. Moisture erosion can increase its service life.
- the anti-condensation layer is provided to prevent water vapor from condensing into small water droplets. By setting an electric heating sheet, it has a heating function, which can dissipate the moisture on the external surface. Evaporate small water droplets to further improve its moisture-proof performance.
- the fire-retardant layer, upper insulation layer, and lower insulation layer are provided to make it have high safety performance. Even if the heating element fails, it will not be affected.
- the circuit board has an impact.
- the back of the circuit board has a mildew-proof function by installing an anti-mold layer.
- a triangle sealing strip, B triangle sealing strip, and moisture-proof sealing ring By setting A triangle sealing strip, B triangle sealing strip, and moisture-proof sealing ring, it has strong sealing performance and can effectively prevent moisture and humidity. Air enters its interior to damage it, has a strong moisture-proof function, and is suitable for promotion.
- Figure 1 is a schematic diagram of the front axonometric structure of a circuit board with a moisture-proof structure proposed by the utility model;
- Figure 2 is a schematic diagram of a side cut axonometric structure of a circuit board with a moisture-proof structure proposed by the utility model;
- Fig. 3 is a schematic diagram of a partial enlarged structure of area A in Fig. 2 of the utility model.
- a circuit board with a moisture-proof structure includes an L-shaped fixed frame 1, a circuit board 2 is fixed on the inner side of the L-shaped fixed frame 1, and an upper water-proof and moisture-proof layer 3 is fixed on one side of the circuit board 2.
- the side of the upper water and moisture-proof layer 3 away from the circuit board 2 is fixedly provided with an anti-condensation layer 4 to prevent water from condensing into small droplets.
- the side of the circuit board 2 away from the upper water- and moisture-proof layer 3 is fixed.
- the fire-retardant layer 5 There is a fire-retardant layer 5, the side of the fire-retardant layer 5 away from the circuit board 2 is fixed with an upper insulating layer 6, and the side of the upper insulating layer 6 away from the fire-retardant layer 5 is fixed with an electric heating sheet 7 to make it With heating function, it can disperse the moisture on the external surface, evaporate small water droplets, and further improve its moisture resistance.
- the side of the electric heating sheet 7 away from the upper insulation layer 6 is fixed with a lower insulation layer 8 to make it have High safety performance, even after the electric heating sheet 7 fails, it will not affect the circuit board 2.
- the lower insulating layer 8 is fixed on the side far from the electric heating sheet 7 with a lower water-proof and moisture-proof layer 9 to make Both sides have water-proof and moisture-proof functions, which can protect its internal structure from moisture erosion and increase its service life.
- the side of the lower water-proof and moisture-proof layer 9 away from the lower insulating layer 8 is fixed with an anti-mold layer 10, so that its back has an anti-mold function.
- a compression frame 11 is fixed on one side of the L-shaped fixed frame 1.
- the screw holes are equipped with hexagonal slot screws 16, and the hexagonal slot screws 16 pass through the screw holes and extend.
- the side of the compression frame 11 is fixedly connected with the side of the anti-condensation layer 4, and the side of the compression frame 11 is fixed with an A triangle sealing strip 12, and the A triangle sealing strip 12 side is connected with the anti-condensation layer 4
- One side is fixedly connected, one side of the L-shaped fixed frame 1 is fixed with a B triangle sealing strip 13, and one side of the B triangle sealing strip 13 is fixedly connected to the side of the anti-mold layer 10, so that it has a strong sealing performance and can be effective
- a moisture-proof sealing ring 14 is fixed between one side of the L-shaped fixed frame 1 and the side of the compression frame 11, and the two sides of the L-shaped fixed frame 1 are fixed on both sides.
- the L-shaped mounting plate 17 makes it easy to install and fix.
- the upper water-proof and moisture-proof layer 3 and the lower water-proof and moisture-proof layer 9 are arranged, so that both sides have the function of waterproof and moisture-proof, which can protect its internal structure from being corroded by moisture and increase its service life.
- the anti-condensation layer 4 makes it have the function of preventing water vapor from condensing into small water droplets.
- the electric heating sheet 7 By setting the electric heating sheet 7 to make it have a heating function, it can disperse the moisture on the external surface and evaporate the small water droplets. Improve its moisture-proof performance.
- the fire-retardant layer 5, the upper insulating layer 6, and the lower insulating layer 8 are provided to make it have higher safety performance.
- the anti-mildew layer 10 is provided to make the back surface with anti-mildew function, and the A triangle sealing strip 12, the B triangle sealing strip 13, and the moisture-proof sealing ring 14 are arranged to make it have strong sealing performance, which can effectively prevent moisture, Moisture enters its interior and damages it. It has a strong moisture-proof function and is suitable for promotion.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
Claims (6)
- 一种具有防潮结构的线路板,包括L型固定框(1),其特征在于,所述L型固定框(1)内侧固设有线路板(2),所述线路板(2)一侧固定设有上隔水防潮层(3),所述上隔水防潮层(3)远离所述线路板(2)的一侧固定设有防凝露层(4),所述线路板(2)远离所述上隔水防潮层(3)的一侧固定设有防火阻燃层(5),所述防火阻燃层(5)远离所述线路板(2)的一侧固定设有上绝缘层(6),所述上绝缘层(6)远离所述防火阻燃层(5)一侧固定设有电暖发热片(7),所述电暖发热片(7)远离所述上绝缘层(6)的一侧固定设有下绝缘层(8),所述下绝缘层(8)远离所述电暖发热片(7)的一侧固定设有下隔水防潮层(9),所述下隔水防潮层(9)远离所述下绝缘层(8)的一侧固定设有防霉层(10),所述L型固定框(1)一侧固定设有压紧框(11),所述压紧框(11)一侧与所述防凝露层(4)一侧固定连接。
- 根据权利要求1所述的一种具有防潮结构的线路板,其特征在于,所述压紧框(11)一侧固定设有A三角密封条(12),所述A三角密封条(12)一侧与所述防凝露层(4)一侧固定连接。
- 根据权利要求1所述的一种具有防潮结构的线路板,其特征在于,所述L型固定框(1)一侧固定设有B三角密封条(13),所述B三角密封条(13)一侧与所述防霉层(10)一侧固定连接。
- 根据权利要求1所述的一种具有防潮结构的线路板,其特征在于,所述L型固定框(1)一侧与所述压紧框(11)一侧之间固定设有防潮密封圈(14)。
- 根据权利要求1所述的一种具有防潮结构的线路板,其特征在于,所述压紧框(11)一侧设有若干螺钉孔,所述L型固定框(1)一侧在所述螺钉孔的位置均设有螺纹槽(15),所述螺钉孔内均设有六角槽螺钉(16),所述六角槽螺钉(16)一侧均穿过所述螺钉孔并延伸至所述螺纹槽(15)内侧。
- 根据权利要求1所述的一种具有防潮结构的线路板,其特征在于,所述L型固定框(1)相远离的两侧均固定设有L型安装板(17)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921653394.5 | 2019-09-30 | ||
CN201921653394.5U CN210629966U (zh) | 2019-09-30 | 2019-09-30 | 一种具有防潮结构的线路板 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021062942A1 true WO2021062942A1 (zh) | 2021-04-08 |
Family
ID=70749679
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2019/124375 WO2021062942A1 (zh) | 2019-09-30 | 2019-12-10 | 一种具有防潮结构的线路板 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN210629966U (zh) |
WO (1) | WO2021062942A1 (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120111618A1 (en) * | 2010-11-05 | 2012-05-10 | Samsung Electro-Mechanics Co., Ltd. | Flame retardant resin composition for multilayer wiring board and multilayer wiring board including the same |
CN107835562A (zh) * | 2017-10-31 | 2018-03-23 | 安徽深泽电子股份有限公司 | 一种加厚型多层复合电路板及其制作方法 |
CN108243553A (zh) * | 2016-12-23 | 2018-07-03 | 广东高旗技术有限公司 | 一种具有防水防火的电路板 |
CN207612460U (zh) * | 2017-12-28 | 2018-07-13 | 东莞首富电子有限公司 | 一种高速、高频印制线路板 |
CN209419996U (zh) * | 2018-11-22 | 2019-09-20 | 杭州九州环保科技有限公司 | 一种可拆卸的多层线路板 |
-
2019
- 2019-09-30 CN CN201921653394.5U patent/CN210629966U/zh not_active Expired - Fee Related
- 2019-12-10 WO PCT/CN2019/124375 patent/WO2021062942A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120111618A1 (en) * | 2010-11-05 | 2012-05-10 | Samsung Electro-Mechanics Co., Ltd. | Flame retardant resin composition for multilayer wiring board and multilayer wiring board including the same |
CN108243553A (zh) * | 2016-12-23 | 2018-07-03 | 广东高旗技术有限公司 | 一种具有防水防火的电路板 |
CN107835562A (zh) * | 2017-10-31 | 2018-03-23 | 安徽深泽电子股份有限公司 | 一种加厚型多层复合电路板及其制作方法 |
CN207612460U (zh) * | 2017-12-28 | 2018-07-13 | 东莞首富电子有限公司 | 一种高速、高频印制线路板 |
CN209419996U (zh) * | 2018-11-22 | 2019-09-20 | 杭州九州环保科技有限公司 | 一种可拆卸的多层线路板 |
Also Published As
Publication number | Publication date |
---|---|
CN210629966U (zh) | 2020-05-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205355615U (zh) | 一种户外防水配电柜 | |
CN206698536U (zh) | 一种电气控制柜 | |
WO2021062942A1 (zh) | 一种具有防潮结构的线路板 | |
CN209133883U (zh) | 一种户外密封防水的配电箱 | |
CN108650811A (zh) | 一种防潮散热电路板 | |
CN207053873U (zh) | 一种低成本柔性电路板 | |
CN206894066U (zh) | 一种防爆配电箱 | |
CN206650298U (zh) | 一种防尘防潮电力控制柜 | |
CN104242186A (zh) | 一种具有防潮功能的端子箱 | |
CN214675830U (zh) | 一种防水型电路印刷板 | |
CN207743569U (zh) | 一种应用于微型电气柜的除湿装置 | |
CN107482878A (zh) | 除露降温开关电源 | |
CN208984363U (zh) | 一种用于校验防潮凝露装置除湿效果的设备 | |
CN204160831U (zh) | 高耐漏电指数环氧玻璃布纸基复合覆铜板 | |
CN221574567U (zh) | 一种配电柜的除湿装置 | |
CN207967671U (zh) | 一种多功能配电柜 | |
CN203774647U (zh) | 一种具有挡雨功能的室外配电柜 | |
CN206741649U (zh) | 一种火灾报警探测器 | |
CN205272704U (zh) | 一种电力配电用复合绝缘配电板 | |
CN204160837U (zh) | 环氧玻璃布纸基复合覆铜板 | |
CN218850120U (zh) | 一种配电柜的防水柜体 | |
CN205491443U (zh) | 高频混压印制线路板 | |
CN214205945U (zh) | 一种pcb板安装孔结构 | |
CN218959324U (zh) | 一种晾衣机用电路板组件 | |
CN221041526U (zh) | 一种柔性电路板天线 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19947799 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19947799 Country of ref document: EP Kind code of ref document: A1 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19947799 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 07/10/2022) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 19947799 Country of ref document: EP Kind code of ref document: A1 |