EP3671971A1 - Dispositif de câble électrique doté d'une structure étanche - Google Patents

Dispositif de câble électrique doté d'une structure étanche Download PDF

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Publication number
EP3671971A1
EP3671971A1 EP19167007.4A EP19167007A EP3671971A1 EP 3671971 A1 EP3671971 A1 EP 3671971A1 EP 19167007 A EP19167007 A EP 19167007A EP 3671971 A1 EP3671971 A1 EP 3671971A1
Authority
EP
European Patent Office
Prior art keywords
connection
cable device
electrical cable
rubber
rubber ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19167007.4A
Other languages
German (de)
English (en)
Inventor
Chen Hsing-Kuang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Phihong Technology Co Ltd
Original Assignee
Phihong Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Phihong Technology Co Ltd filed Critical Phihong Technology Co Ltd
Publication of EP3671971A1 publication Critical patent/EP3671971A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00—Coupling parts supported only by co-operation with counterpart
    • H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
    • H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings

Definitions

  • the present invention mainly relates to an electrical cable device with waterproof structure, more particularly, an electrical cable device with rubber material, mounted among the placement of connection of the power source, increasing the impermeability by plurality of longitudinal arms and transverse arms structure, to prevent the infiltration of water or moisture for reducing the risk of accidents.
  • the electrical cable devices were disposed in the electrical devices for transmitting the electrical energy, electrical signal, or making the achievement of transformation and rectification between the AC current and DC current.
  • the power cable device of the notebook computer commonly used has a rectification function
  • the power cable device of the portable smart device has both signal and power transmission, rectification function.
  • FIG. 1 illustrate the structure of common used power cable device (100) in the prior art, including power module (101), comprising with printed circuit (1011) or electrical elements, the connection cable (103) for transmitting electrical energy and electrical signals is coupled to connection port (1013), which is disposed on the power module (101) through corresponding male and female connectors.
  • connection port (1013) of said power cable device (100) in the prior art lack the waterproof or dust proof structure, resulting in the moisture or suspended particulate was easily infiltrated into the electrode of connection port (1013), rusting said electrode and making malfunction or short circuit after the life raising of power cable device (100), in that case, the voltage of the power cable device (100) may instantly raise, injuring the electrical equipment that supplies electrical energy, shortening its life, and even causing fire or leakage electrical power.
  • European Patent EP1059698A2 discloses a waterproof connector, comprising the rubber mat plug or rubber-like material in the structure of the connector housing, disposed on the plane of engaging recess with a plurality of bores in the front end of the connector housing, allowing electric wires passing through the inside and outside of the waterproof connector.
  • the engaging recess and the electric wires are tightly engaged with each other through the deformation of the rubber mat plug, reaching the purpose with a certain level of waterproof performance.
  • the rubber mat plug or rubber-like material of waterproof connector mostly limited the mounted position on the plane of engaging recess, nearing the electric wires, but not completely laid on the entire surface of the engaging recess, so that the moisture or suspended particulate still has the opportunity to infiltrate, unabling to achieve comprehensive waterproof performance; moreover, the plane of the engaging recess and the electric wires lack the structure which could press out the residual air inside the waterproof connector during the connection process, leaving small amount of residual air in the gap between the engaging recess and the electric wires, thus, impermeability of the waterproof connector still needs to improve.
  • a novel electrical cable device with waterproof structure comprising: power module, mounted with the connection port and the first rubber ring; the first longitudinal arm and the second longitudinal arm are located at the connection port, and the length of first longitudinal arm is larger than second longitudinal arm; connection cable, comprising with connection cable shell; and, connection head, mounted at the front end of connection cable shell; the surface in the front end of connection cable shell having second rubber ring, the electrical cable device is fixed by pressing and squeezing the second rubber ring and the first rubber ring when the power module electrical coupling with connection cable, wherein the direction of the first longitudinal arm and the second longitudinal arm are perpendicular to connection head, pressing out the residual air inside and raising the impermeability of electrical cable device.
  • the electrical cable device further comprising the first transverse arm and the second transverse arm.
  • the transverse and longitudinal pressure are formed via the first transverse arm, the second transverse arm, the first longitudinal arm, and second longitudinal arm. The transverse and longitudinal pressure causes the air in the gap between the connection port and connection head to be slowly discharged, further improving the impermeability of the electrical cable device.
  • connection head the plurality of first transverse arm and second transverse arm are arranged as " ⁇ "-like configuration, in the process of said connection head with " ⁇ "-like configuration which is coupled to the power module, since the area of the surface on contact is larger than the conventional "O"-like configuration, preventing the non consistent of pressure among the left and right ends of the connection head, making a gap is formed at one end through the lower pressure, so that the ambient air, moisture and suspended particles have the opportunity to infiltrate inside and affect the normal operation of the power cable device.
  • connection cable shell a rear-end rubber jacket is disposed to seal the gap between the connection cable and the connection cable shell, so that the outer portion of the connection cable shell is isolated from the inner portion, for blocking the external ambient air, moisture and suspended particles.
  • the material of the first rubber ring and the second rubber ring could be, but not limit to Polyurethane (PU), Butyl Rubber (IIR), Hypalon Polyethlene Rubber (CSM), Natural Rubber (NR), Polyacrylate Rubber (ACM), Neoprene Rubber (CR), or the combination of the above.
  • PU Polyurethane
  • IIR Butyl Rubber
  • CSM Hypalon Polyethlene Rubber
  • NR Natural Rubber
  • ACM Polyacrylate Rubber
  • CR Neoprene Rubber
  • the degree of protection provided against ambient air, moisture and suspended particles could reach the level of IPX4-IPX8 (International Protection Marking).
  • the purpose of the present invention is to improve the structure of electrical cable device in the prior art.
  • the portion of rubber ring adopted the method of insert molding, which is completely mounted in the interface plane of the connection port and the connection head, including the position close to the electrode, reducing the probability of moisture and suspended particles infiltrating into the interior of the connection cable shell;
  • pressing out the residual air inside the electrical cable device during the connection process between the power module and connection cable via the structure proposed in the present invention pressing out the residual air inside the electrical cable device during the connection process between the power module and connection cable via the structure proposed in the present invention, reducing the residual air as less as possible, homogenizing the pressure at both ends of the connection head for reducing the probability of moisture infiltration in the low pressure end;
  • the numbers of said first longitudinal arm, said second longitudinal arm, said first transverse arm, said second transverse arm could be disposed according to the need of embodiments, also could be generally known as "longitudinal arm” and "transverse arm”.
  • the structure in preferred embodiments of the present invention are provided for illustration
  • the present invention proposed an electrical cable device (200) with waterproof structure, comprising: power module (201), mounted with the connection port (2013) and the first rubber ring (2011); the first longitudinal arm (2015) and the second longitudinal arm (2017) are located at the connection port (2013), and the length of first longitudinal arm (2015) is larger than second longitudinal arm (2017); connection cable (203), comprising with connection cable shell (2033); and, connection head (2031), mounted at the front end of connection cable shell (2033); the surface in the front end of connection cable shell (2033) having second rubber ring (2037), the electrical cable device (200) is fixed by pressing and squeezing the second rubber ring (2037) and the first rubber ring (2011) when the power module (201) electrical coupling with connection cable (203), wherein the direction of the first longitudinal arm (2015) and the second longitudinal arm (2017) are perpendicular to connection head (2031), pressing out the residual air inside and raising the impermeability of electrical cable device (200).
  • the connecting cable shell (2033) has a case-like configuration and at least one through hole at the front end and the rear end, so that the cable of the connection cable (203) could be passed through, the through hole of the front end is matched with the transverse arm, shaped as " ⁇ " -like structure, the rear end of connecting cable shell (2033) is made by two or more cylindrical shapes with different radius, in that case, therefore, the connection cable (203) could be gradually converging to raise the impermeability of the connection cable shell (2033).
  • the first longitudinal arm (2015) is located at the left of the second longitudinal arm (2017), and the length of the first longitudinal arm (2015) is larger than the second longitudinal arm (2017).
  • the characteristic of structure above could make the pressure providing via the first longitudinal arm (2015) at left side greater than the pressure provided by second longitudinal arm (2017), ensured that the residual air air could be pressed and exhausted from the power cable device (200) due to the compress of the first rubber ring (2011) and the second rubber ring (2037), preventing the ambient air, moisture and suspended particles have the opportunity to infiltrate inside the power cable device (200).
  • the length of the second transverse arm (2039) is larger than the first transverse arm (2038), resulting in the length of central on connection head (2031) is larger than the surrounding and making the transverse arms parallel to each others as well.
  • the pressure provided by second transverse arm (2039) at the center to compress the residual air could be larger than the surrounding of the first transverse arm (2038), thus, the residual air could be fully discharged, in that case, the pressure generated from two directions would be enhanced and promoted the impermeability of the electrical cable device (200).
  • connection head (2031) mounted on the connection cable (203) the plurality of first transverse arm (2038) and second transverse arm (2039) are arranged as " ⁇ "-like configuration to raise the contact area of the surface as large as possible, providing the pressure consistent among the left and the right end, and, the second rubber ring (2037) is completely mounted on the inner of the connection head (2031) and is parallel to the surface.
  • the numbers of longitudinal arm and the transverse arm could be disposed according to the need of massive transmission of electrical energy and electrical signal. For instance: when a high throughput charger, or a transmitter with high flux of data which the multiple-pin is require. Therefore, plurality of connection head (2031) with " ⁇ "-like configuration would raise impermeability through providing the pressure consistent of electrical cable device (200).
  • the waterproof structure proposed by the present invention can meet the requirements of IPX4 or higher standard at a relatively economical cost, according to the International Protection Marking standard (IP), the electrical cable device (200) is sufficient to withstand liquid pressure of 80-100 kPa, flow rate of 10 L/min, flow splash for 5 minutes without damaging the equipment, and the waterproof standard can be raised to the level of IPX8 according to the needs of the application, also, in the present invention, the range of impermeability is rough vacuum to medium vacuum, i.e., between 10 and 750 Torr.
  • IP International Protection Marking standard
  • connection cable shell (2033) adopted the method of insert molding, and the second rubber ring (2037) is placed in the mold beforehand in the manufacture, and when the connection cable shell (2033) is taken out, the second rubber ring (2037) could completely conform to the configuration of the first transverse arm (2038) and the second transverse arm (2039) based on its own elasticity, reducing the volume of the connection cable shell (2033) and improve the engineering tolerance.
  • the characteristic of the present invention could improve the impermeability and overcome the disadvantage of prior art, which the rubber ring is directly attached on the surface of the device via adhesive or high vacuum grease with low impermeability.
  • the method of assembly process is not limited to insert molding.
  • the power connection device (200) is assembled by inserting the cable of the connection cable (203) into the connection cable shell (2033) from the front end to the rear end of the connection head (2031), and fixing the cable to the connection cable shell (2033) tightly.
  • the rear-end rubber jacket (2035) is mounted on the rear end of the connecting cable (203), wherein the rear-end rubber jacket (2035) fixes the connection cable shell (2033), avoiding the infiltration into said power connection device (200) by moisture.
  • the rear-end rubber jacket (2035) is located at the rear end of the connection cable shell (2033) with cylindrical shape for acting in concert with the structure at the rear end of the connection cable shell (2033), the radius of the rear-end rubber jacket (2035) in the rear end is smaller than the front end, therefore, the connection cable (203) could be converted.
  • the radius of the rear rubber sleeve (2035) could be continuous gradient change, or a superposition of two or more cylinders with different radius.
  • the material of the first rubber ring (2011) and the second rubber ring (2037) could be, but not limit to Polyurethane (PU), Butyl Rubber (IIR), Hypalon Polyethlene Rubber (CSM), Natural Rubber (NR), Polyacrylate Rubber (ACM), Neoprene Rubber (CR), or the combination of the above.
  • the Polyurethane (PU) is adopted for rubber ring because the deliberation of tensile force, abrasion resistance and impermeability, which could raise the numbers of swap lifetime.
  • the numbers of swap lifetime would be 9000-15000 under the requirement of IPX4-IPX8 (International Protection Marking).

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  • Connector Housings Or Holding Contact Members (AREA)
EP19167007.4A 2018-12-21 2019-04-03 Dispositif de câble électrique doté d'une structure étanche Withdrawn EP3671971A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW107146496A TWI660547B (zh) 2018-12-21 2018-12-21 具防水結構的電源連接裝置

Publications (1)

Publication Number Publication Date
EP3671971A1 true EP3671971A1 (fr) 2020-06-24

Family

ID=66092037

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19167007.4A Withdrawn EP3671971A1 (fr) 2018-12-21 2019-04-03 Dispositif de câble électrique doté d'une structure étanche

Country Status (4)

Country Link
EP (1) EP3671971A1 (fr)
JP (1) JP7008394B2 (fr)
CN (1) CN111355097B (fr)
TW (1) TWI660547B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112363279A (zh) * 2020-09-30 2021-02-12 武汉恒泰通技术有限公司 一种高速并行双向传输光模块封装结构
WO2022058266A1 (fr) * 2020-09-21 2022-03-24 HELLA GmbH & Co. KGaA Adaptateur comprenant un premier élément de connexion enfichable destiné à être relié électriquement et mécaniquement à un câble et un deuxième élément de connexion enfichable destiné à être relié électriquement et mécaniquement à un appareil électrique et/ou électronique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1059698A2 (fr) 1999-06-10 2000-12-13 Yazaki Corporation Connecteur étanche à l'eau
WO2016071218A1 (fr) * 2014-11-05 2016-05-12 BSH Hausgeräte GmbH Prise de branchement au réseau munie d'un élément d'étanchéité
US20170244194A1 (en) * 2016-02-24 2017-08-24 Otter Products Llc Connector for fluidly sealing an aperture of a protective case
US20180212357A1 (en) * 2017-01-20 2018-07-26 Asian Power Devices Inc. Power connector module and power connector thereof
CN207782001U (zh) * 2018-03-05 2018-08-28 亚荣源科技（深圳）有限公司 一种安全型交流插座及其组成的安全型电源适配器
US20180366877A1 (en) * 2017-03-31 2018-12-20 Limoss (Shenzhen) Co., Ltd. Power adapter

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JP2017152201A (ja) 2016-02-24 2017-08-31 タイコエレクトロニクスジャパン合同会社 防水部材、防水部材組立体、およびコネクタ組立体
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CN108321634B (zh) * 2017-01-16 2021-02-23 富士康(昆山)电脑接插件有限公司 磁吸式连接器组合
CN206976119U (zh) * 2017-07-17 2018-02-06 嘉善三英灯饰有限公司 一种usb防水电源变压器
TWM564314U (zh) * 2018-01-22 2018-07-21 飛宏科技股份有限公司 用於防止水滲入電子產品之防水結構及防水環形圈

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1059698A2 (fr) 1999-06-10 2000-12-13 Yazaki Corporation Connecteur étanche à l'eau
WO2016071218A1 (fr) * 2014-11-05 2016-05-12 BSH Hausgeräte GmbH Prise de branchement au réseau munie d'un élément d'étanchéité
US20170244194A1 (en) * 2016-02-24 2017-08-24 Otter Products Llc Connector for fluidly sealing an aperture of a protective case
US20180212357A1 (en) * 2017-01-20 2018-07-26 Asian Power Devices Inc. Power connector module and power connector thereof
US20180366877A1 (en) * 2017-03-31 2018-12-20 Limoss (Shenzhen) Co., Ltd. Power adapter
CN207782001U (zh) * 2018-03-05 2018-08-28 亚荣源科技（深圳）有限公司 一种安全型交流插座及其组成的安全型电源适配器

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022058266A1 (fr) * 2020-09-21 2022-03-24 HELLA GmbH & Co. KGaA Adaptateur comprenant un premier élément de connexion enfichable destiné à être relié électriquement et mécaniquement à un câble et un deuxième élément de connexion enfichable destiné à être relié électriquement et mécaniquement à un appareil électrique et/ou électronique
CN116325384A (zh) * 2020-09-21 2023-06-23 海拉有限双合股份公司 具有用于与电缆电连接和机械连接的第一插塞连接部件和用于与电气和/或电子设备电连接和机械连接的第二插塞连接部件的适配器
US12586968B2 (en) 2020-09-21 2026-03-24 HELLA GmbH & Co. KGaA Adapter having a first plug connector part for electrical and mechanical connection to a cable and a second plug connector part for electrical and mechanical connection to an electrical and/or electronic device
CN112363279A (zh) * 2020-09-30 2021-02-12 武汉恒泰通技术有限公司 一种高速并行双向传输光模块封装结构

Also Published As

Publication number Publication date
TW202025566A (zh) 2020-07-01
CN111355097B (zh) 2021-06-08
TWI660547B (zh) 2019-05-21
JP7008394B2 (ja) 2022-02-10
JP2020102434A (ja) 2020-07-02
CN111355097A (zh) 2020-06-30

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