WO2021051668A1 - 一种多层多功能线路板 - Google Patents

一种多层多功能线路板 Download PDF

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Publication number
WO2021051668A1
WO2021051668A1 PCT/CN2019/124346 CN2019124346W WO2021051668A1 WO 2021051668 A1 WO2021051668 A1 WO 2021051668A1 CN 2019124346 W CN2019124346 W CN 2019124346W WO 2021051668 A1 WO2021051668 A1 WO 2021051668A1
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layer
fixed
board
heat dissipation
circuit board
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PCT/CN2019/124346
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English (en)
French (fr)
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叶志行
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叶志行
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack

Definitions

  • the utility model relates to the technical field of circuit boards, in particular to a multilayer multifunctional circuit board.
  • Circuit board also known as printed circuit board, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components.
  • Printed boards have developed from single-layer to double-sided, multi-layer and flexible, and They still maintain their respective development trends. Due to the continuous development of high precision, high density and high reliability, continuous reduction in size, cost reduction, and performance improvement, the printed board will still maintain the development of electronic equipment in the future. Strong vitality, while traditional circuit boards, with simple structure and single function, can no longer meet the requirements of some special environments. For this reason, we have proposed a multi-layer multi-function circuit board to solve the above problems.
  • the purpose of the utility model is to solve the shortcomings of the traditional circuit board in the prior art, which has simple structure and single function, and can no longer meet the use requirements of some special environments, and proposes a multi-layer multi-functional circuit board.
  • a multi-layer multi-function circuit board is designed, including a base board, one side of the base board is fixed with an anti-breaking layer, and the side of the anti-breaking layer away from the base board is fixed with a fire-retardant and flame-retardant layer, the The side of the fire-resistant and flame-retardant layer away from the anti-fracture layer is fixedly provided with a corrosion-resistant layer, and the side of the corrosion-resistant layer away from the fire-resistant and flame-retardant layer is fixedly provided with a temperature insulation layer, and the temperature insulation layer is away from the One side of the corrosion-resistant layer is fixedly provided with a heat dissipation layer, the side of the heat dissipation layer away from the temperature insulation layer is fixedly provided with a water- and moisture-proof layer, and the side of the water- and moisture-proof layer away from the heat dissipation layer is fixedly provided with An anti-static and dust-proof layer, an elastic recovery plate is fixed on the side of the base plate away from the
  • the base board, the anti-fracture layer, the fire and flame retardant layer, the corrosion-resistant layer, the temperature insulation layer, the heat dissipation layer, the water and moisture-proof layer, the anti-static and anti-corrosion layer are both fixed on the inner side of the L-shaped mounting edge.
  • the shock absorption device includes a fixed sleeve, one side of the fixed sleeve is fixed on one side of the mounting plate, and the outer side of the other end of the fixed sleeve is slidingly sleeved with a connecting sleeve, and the connecting sleeve
  • One side of the sleeve is fixed on the side of the L-shaped mounting edge
  • the two sides of the fixed sleeve are fixed with limit blocks
  • the two sides of the connecting sleeve are provided with limit holes
  • the limit blocks are slidably connected to the inner side of the limit hole
  • the inner side of the fixing sleeve is provided with a spring, one end of the spring is fixed on one side of the L-shaped mounting edge, and the other end of the spring is fixed on the Mount the board on one side.
  • mounting holes are provided on one side of the mounting plate.
  • the heat dissipation layer is made of polyethylene terephthalate.
  • the multi-layer multi-functional circuit board proposed by the utility model has the beneficial effects that: by providing an anti-fracture layer, its toughness can be improved, and it has an anti-fracture function; by providing a fire-retardant layer, it has a fire-retardant function and can Greatly improve its safety performance, by providing a corrosion-resistant layer to make it have corrosion resistance and increase its service life, by providing a temperature insulation layer and a heat dissipation layer, it can isolate the outer heat and transfer it to the heat dissipation layer for heat dissipation. It has the function of heat dissipation.
  • the water-proof and moisture-proof layer is provided to make it have moisture-proof function, which can effectively protect the internal structure from moisture erosion.
  • the anti-static and dust-proof layer By setting the anti-static and dust-proof layer, it has anti-static and dust-proof functions.
  • the elastic recovery plate So that it has a strong recovery ability, so that it will not be deformed or bent after long-term use.
  • a shock-absorbing device By setting a shock-absorbing device, it has a shock-absorbing function, which can effectively buffer the impact force, thereby protecting the electronic components from damage , Diverse functions, suitable for promotion.
  • Figure 1 is a schematic diagram of the front axonometric structure of a multilayer multi-functional circuit board proposed by the utility model;
  • Figure 2 is a schematic diagram of a partially cut axonometric structure of a multilayer multi-functional circuit board proposed by the utility model;
  • Figure 3 is a schematic diagram of the structure of the shock absorber in the utility model.
  • base board 1 anti-fracture layer 2, fire-retardant layer 3, corrosion-resistant layer 4, temperature insulation layer 5, heat dissipation layer 6, water and moisture-proof layer 7, anti-static and dust-proof layer 8, elastic recovery board 9, Protective paint surface 10, L-shaped mounting edge 11, mounting plate 12, fixing sleeve 13, connecting sleeve 14, limiting block 15, limiting hole 16, spring 17, and mounting hole 18.
  • a multi-layer multi-functional circuit board includes a base board 1, and a fracture prevention layer 2 is fixed on one side of the base board 1, which can improve its toughness and has a fracture prevention function.
  • the fracture prevention layer 2 is far away from the base board.
  • One side of 1 is fixed with a fire-retardant layer 3 to make it have fire-proof and flame-retardant functions, which can greatly improve its safety performance.
  • the side of the fire-retardant layer 3 away from the anti-fracture layer 2 is fixed with a corrosion-resistant layer 4 to make It has corrosion resistance and improves its service life.
  • the side of the corrosion-resistant layer 4 away from the fire-retardant layer 3 is fixed with a temperature insulation layer 5, and the side of the temperature insulation layer 5 away from the corrosion-resistant layer 4 is fixed with a heat dissipation layer 6 , So that it can isolate the outer layer of heat and transfer it to the heat dissipation layer 6 for heat dissipation. It has a heat dissipation function.
  • the heat dissipation layer 6 is made of polyethylene terephthalate, and the heat dissipation layer 6 is fixed on the side away from the temperature insulation layer 5
  • the water-proof and moisture-proof layer 7 is provided with moisture-proof function, which can effectively protect the internal structure from being corroded by moisture.
  • the side of the water-proof and moisture-proof layer 7 away from the heat dissipation layer 6 is fixed with an anti-static and dust-proof layer 8 to make it waterproof Static electricity, dustproof function
  • the base plate 1 is fixed with an elastic recovery plate 9 on the side away from the anti-fracture layer 2, so that it has a strong recovery ability, so that it will not be deformed or bent after a long time of use
  • the elastic recovery A protective paint surface 10 is fixed on the side of the board 9 away from the base board 1.
  • One side of the protective paint surface 10 is fixed with an L-shaped mounting edge 11, the base plate 1, the anti-fracture layer 2, the fire-retardant layer 3, the corrosion-resistant layer 4, the temperature insulation layer 5, the heat dissipation layer 6, the water and moisture-proof layer 7,
  • the outside of the anti-static dustproof layer 8 and the elastic recovery plate 9 are fixed on the inside of the L-shaped mounting edge 11.
  • a number of mounting plates 12 are provided on one side of the L-shaped mounting edge 11, and mounting holes 18 are provided on one side of the mounting plate 12 to make It is easy to install.
  • a shock-absorbing device is installed between the mounting plate 12 and the L-shaped mounting edge 11 to make it have shock-absorbing function, which can effectively buffer the impact force and protect the electronic components from damage.
  • the shock-absorbing device includes a fixed sleeve 13
  • One side of the fixed sleeve 13 is fixed on the side of the mounting plate 12, the other end of the fixed sleeve 13 is slidingly sleeved with a connecting sleeve 14, and one side of the connecting sleeve 14 is fixed on the side of the L-shaped mounting edge 11.
  • Limit blocks 15 are fixed on both sides of the fixed sleeve 13 far away from each other.
  • Limit holes 16 are provided on both sides of the connecting sleeve 14 that are far away.
  • the limit blocks 15 are slidably connected to the inner side of the limit hole 16, and the sleeve is fixed.
  • a spring 17 is arranged on the inner side of 13, one end of the spring 17 is fixed on the side of the L-shaped mounting edge 11, and the other end of the spring 17 is fixed on the side of the mounting plate 12.
  • the anti-fracture layer 2 can be provided to improve its toughness and has the function of anti-fracture.
  • the fire-retardant layer 3 it has the function of fire-retardant and flame-retardant, which can greatly improve its safety performance.
  • Layer 4 to make it have corrosion resistance and increase its service life.
  • the temperature insulation layer 5 and the heat dissipation layer 6 it can isolate the outer layer heat and transfer it to the heat dissipation layer 6 for heat dissipation. It has a heat dissipation function.
  • the water-proof and moisture-proof layer 7 makes it have moisture-proof function and can effectively protect the internal structure from being corroded by moisture.
  • the anti-static and dust-proof layer 8 is provided to make it have anti-static and dust-proof functions.
  • the elastic recovery plate 9 is used to make it It has a strong recovery ability, so that it will not be deformed or bent after long-term use. By setting a shock-absorbing device, it has a shock-absorbing function, which can effectively buffer the impact force, thereby protecting the electronic components from damage, and has a variety of functions , Suitable for promotion.

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

一种多层多功能线路板,包括基层板(1),基层板(1)一侧依次固定设有防断裂层(2)、防火阻燃层(3)、耐腐蚀层(4)、隔温层(5)、散热层(6)、隔水防潮层(7)、防静电防尘层(8),基层板(1)远离防断裂层(3)的一侧固定设有弹性恢复板(9),弹性恢复板(9)远离基层板(1)的一侧固定设有保护漆面(10),保护漆面(10)一侧固定设有L型安装边(11),L型安装边(11)一侧设有若干安装板(12),安装板(12)与L型安装边(12)之间均设有减震装置。通过设置防断裂层(2)、防火阻燃层(3)、耐腐蚀层(4)、隔温层(5)、散热层(6)、隔水防潮层(7)、防静电防尘层(8)、弹性恢复板(9)、减震装置,功能多样,可在多种特殊环境使用,适合推广。

Description

一种多层多功能线路板 技术领域
本实用新型涉及线路板技术领域,尤其涉及一种多层多功能线路板。
背景技术
线路板,又称印刷线路板,是重要的电子部件,是电子元器件的支撑体,是电子元器件电气连接的载体,印制板从单层发展到双面、多层和挠性,并且仍旧保持着各自的发展趋势,由于不断地向高精度、高密度和高可靠性方向发展,不断缩小体积、减少成本、提高性能,使得印制板在未来电子设备的发展工程中,仍然保持着强大的生命力,而传统的线路板,结构简单,功能单一,已不能满足一些特殊环境的使用要求,为此,我们提出了一种多层多功能线路板,用于解决上述问题。
实用新型内容
本实用新型的目的是为了解决现有技术中存在传统的线路板,结构简单,功能单一,已不能满足一些特殊环境的使用要求的缺点,而提出的一种多层多功能线路板。
为了实现上述目的,本实用新型采用了如下技术方案:
设计一种多层多功能线路板,包括基层板,所述基层板一侧固定设有防断裂层,所述防断裂层远离所述基层板的一侧固定设有防火阻燃层,所述防火阻燃层远离所述防断裂层的一侧固定设有耐腐蚀层,所述耐腐蚀层远离所述防火阻燃层的一侧固定设有隔温层,所述隔温 层远离所述耐腐蚀层的一侧固定设有散热层,所述散热层远离所述隔温层的一侧固定设有隔水防潮层,所述隔水防潮层远离所述散热层的一侧固定设有防静电防尘层,所述基层板远离所述防断裂层的一侧固定设有弹性恢复板,所述弹性恢复板远离所述基层板的一侧固定设有保护漆面,所述保护漆面一侧固定设有L型安装边,所述L型安装边一侧设有若干安装板,所述安装板与所述L型安装边之间均设有减震装置。
优选的,所述基层板、所述防断裂层、所述防火阻燃层、所述耐腐蚀层、所述隔温层、所述散热层、所述隔水防潮层、所述防静电防尘层、所述弹性恢复板外侧均固定在所述L型安装边内侧。
优选的,所述减震装置包括固定套筒,所述固定套筒一侧固定在所述安装板一侧上,所述固定套筒另一端外侧滑动套接设有连接套筒,所述连接套筒一侧固定在所述L型安装边一侧上,所述固定套筒相远离的两侧均固定设有限位块,所述连接套筒相远离的两侧均设有限位孔,所述限位块均滑动连接在所述限位孔内侧,所述固定套筒内侧设有弹簧,所述弹簧一端固定在所述L型安装边一侧上,所述弹簧另一端固定在所述安装板一侧上。
优选的,所述安装板一侧均设有安装孔。
优选的,所述散热层为聚对苯二甲酸乙二醇酯材质。
本实用新型提出的一种多层多功能线路板,有益效果在于:通过设置防断裂层,可提高其韧性,具有防断裂功能,通过设置防火阻燃层,使其具有防火阻燃功能,可大大提高其安全性能,通过设置耐腐 蚀层,使其具有耐腐蚀性能,提高其使用寿命,通过设置隔温层、散热层,使其可将外层热量隔绝且传递至散热层上进行散热,具有散热功能,通过设置隔水防潮层,使其具有防潮功能,可有效保护内部结构不被潮气侵蚀,通过设置防静电防尘层,使其具有防静电、防尘功能,通过设置弹性恢复板,使其具有较强的恢复能力,使其在长时间使用后仍不会变形、弯曲,通过设置减震装置,使其具有减震功能,可有效缓冲冲击力,从而保护电子元件不受破坏,功能多样,适合推广。
附图说明
图1为本实用新型提出的一种多层多功能线路板的正面轴测结构示意图;
图2为本实用新型提出的一种多层多功能线路板的局部剖切轴测结构示意图;
图3为本实用新型中减震装置的结构示意图。
图中:基层板1、防断裂层2、防火阻燃层3、耐腐蚀层4、隔温层5、散热层6、隔水防潮层7、防静电防尘层8、弹性恢复板9、保护漆面10、L型安装边11、安装板12、固定套筒13、连接套筒14、限位块15、限位孔16、弹簧17、安装孔18。
具体实施方式
下面将结合本实用新型实施例中的附图,对本实用新型实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本实用新型一部分实施例,而不是全部的实施例。
参照图1-3,一种多层多功能线路板,包括基层板1,基层板1一侧固定设有防断裂层2,可提高其韧性,具有防断裂功能,防断裂层2远离基层板1的一侧固定设有防火阻燃层3,使其具有防火阻燃功能,可大大提高其安全性能,防火阻燃层3远离防断裂层2的一侧固定设有耐腐蚀层4,使其具有耐腐蚀性能,提高其使用寿命,耐腐蚀层4远离防火阻燃层3的一侧固定设有隔温层5,隔温层5远离耐腐蚀层4的一侧固定设有散热层6,使其可将外层热量隔绝且传递至散热层6上进行散热,具有散热功能,散热层6为聚对苯二甲酸乙二醇酯材质,散热层6远离隔温层5的一侧固定设有隔水防潮层7,使其具有防潮功能,可有效保护内部结构不被潮气侵蚀,隔水防潮层7远离散热层6的一侧固定设有防静电防尘层8,使其具有防静电、防尘功能,基层板1远离防断裂层2的一侧固定设有弹性恢复板9,使其具有较强的恢复能力,使其在长时间使用后仍不会变形、弯曲,弹性恢复板9远离基层板1的一侧固定设有保护漆面10。
保护漆面10一侧固定设有L型安装边11,基层板1、防断裂层2、防火阻燃层3、耐腐蚀层4、隔温层5、散热层6、隔水防潮层7、防静电防尘层8、弹性恢复板9外侧均固定在L型安装边11内侧,L型安装边11一侧设有若干安装板12,安装板12一侧均设有安装孔18,使其便于安装,安装板12与L型安装边11之间均设有减震装置,使其具有减震功能,可有效缓冲冲击力,从而保护电子元件不受破坏,减震装置包括固定套筒13,固定套筒13一侧固定在安装板12一侧上,固定套筒13另一端外侧滑动套接设有连接套筒14,连接套筒14 一侧固定在L型安装边11一侧上,固定套筒13相远离的两侧均固定设有限位块15,连接套筒14相远离的两侧均设有限位孔16,限位块15均滑动连接在限位孔16内侧,固定套筒13内侧设有弹簧17,弹簧17一端固定在L型安装边11一侧上,弹簧17另一端固定在安装板12一侧上。
本实用新型,使用时通过设置防断裂层2,可提高其韧性,具有防断裂功能,通过设置防火阻燃层3,使其具有防火阻燃功能,可大大提高其安全性能,通过设置耐腐蚀层4,使其具有耐腐蚀性能,提高其使用寿命,通过设置隔温层5、散热层6,使其可将外层热量隔绝且传递至散热层6上进行散热,具有散热功能,通过设置隔水防潮层7,使其具有防潮功能,可有效保护内部结构不被潮气侵蚀,通过设置防静电防尘层8,使其具有防静电、防尘功能,通过设置弹性恢复板9,使其具有较强的恢复能力,使其在长时间使用后仍不会变形、弯曲,通过设置减震装置,使其具有减震功能,可有效缓冲冲击力,从而保护电子元件不受破坏,功能多样,适合推广。
以上所述,仅为本实用新型较佳的具体实施方式,但本实用新型的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本实用新型揭露的技术范围内,根据本实用新型的技术方案及其实用新型构思加以等同替换或改变,都应涵盖在本实用新型的保护范围之内。

Claims (5)

  1. 一种多层多功能线路板,包括基层板(1),其特征在于,所述基层板(1)一侧固定设有防断裂层(2),所述防断裂层(2)远离所述基层板(1)的一侧固定设有防火阻燃层(3),所述防火阻燃层(3)远离所述防断裂层(2)的一侧固定设有耐腐蚀层(4),所述耐腐蚀层(4)远离所述防火阻燃层(3)的一侧固定设有隔温层(5),所述隔温层(5)远离所述耐腐蚀层(4)的一侧固定设有散热层(6),所述散热层(6)远离所述隔温层(5)的一侧固定设有隔水防潮层(7),所述隔水防潮层(7)远离所述散热层(6)的一侧固定设有防静电防尘层(8),所述基层板(1)远离所述防断裂层(2)的一侧固定设有弹性恢复板(9),所述弹性恢复板(9)远离所述基层板(1)的一侧固定设有保护漆面(10),所述保护漆面(10)一侧固定设有L型安装边(11),所述L型安装边(11)一侧设有若干安装板(12),所述安装板(12)与所述L型安装边(11)之间均设有减震装置。
  2. 根据权利要求1所述的一种多层多功能线路板,其特征在于,所述基层板(1)、所述防断裂层(2)、所述防火阻燃层(3)、所述耐腐蚀层(4)、所述隔温层(5)、所述散热层(6)、所述隔水防潮层(7)、所述防静电防尘层(8)、所述弹性恢复板(9)外侧均固定在所述L型安装边(11)内侧。
  3. 根据权利要求1所述的一种多层多功能线路板,其特征在于,所述减震装置包括固定套筒(13),所述固定套筒(13)一侧固定在所述安装板(12)一侧上,所述固定套筒(13)另一端外侧滑动套接设有连接套筒(14),所述连接套筒(14)一侧固定在所述L型安装 边(11)一侧上,所述固定套筒(13)相远离的两侧均固定设有限位块(15),所述连接套筒(14)相远离的两侧均设有限位孔(16),所述限位块(15)均滑动连接在所述限位孔(16)内侧,所述固定套筒(13)内侧设有弹簧(17),所述弹簧(17)一端固定在所述L型安装边(11)一侧上,所述弹簧(17)另一端固定在所述安装板(12)一侧上。
  4. 根据权利要求1所述的一种多层多功能线路板,其特征在于,所述安装板(12)一侧均设有安装孔(18)。
  5. 根据权利要求1所述的一种多层多功能线路板,其特征在于,所述散热层(6)为聚对苯二甲酸乙二醇酯材质。
PCT/CN2019/124346 2019-09-16 2019-12-10 一种多层多功能线路板 WO2021051668A1 (zh)

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Publication number Priority date Publication date Assignee Title
CN111688869B (zh) * 2020-06-30 2022-03-29 惠州市凤冠运动器材有限公司 一种耐腐蚀防爆晒复合冲浪板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203884069U (zh) * 2014-04-25 2014-10-15 深圳市卓创通电子有限公司 一种多功能柔性印刷线路板
US9752855B2 (en) * 2008-11-25 2017-09-05 Np Aerospace Limited Combined vehicular armour
CN206620351U (zh) * 2017-04-10 2017-11-07 星华科技(惠州)有限公司 具有防老化功能的高精度多层板
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
CN207630659U (zh) * 2017-12-14 2018-07-20 上海凝兰新材料科技有限公司 一种防静电pc板
CN208273343U (zh) * 2018-05-25 2018-12-21 中山市实翔电子科技有限公司 一种高强度的led灯电路板

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9752855B2 (en) * 2008-11-25 2017-09-05 Np Aerospace Limited Combined vehicular armour
CN203884069U (zh) * 2014-04-25 2014-10-15 深圳市卓创通电子有限公司 一种多功能柔性印刷线路板
CN206620351U (zh) * 2017-04-10 2017-11-07 星华科技(惠州)有限公司 具有防老化功能的高精度多层板
CN207630659U (zh) * 2017-12-14 2018-07-20 上海凝兰新材料科技有限公司 一种防静电pc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
CN208273343U (zh) * 2018-05-25 2018-12-21 中山市实翔电子科技有限公司 一种高强度的led灯电路板

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