WO2023221151A1 - 一种漏电时可被漏电保护器检测到的电源线 - Google Patents

一种漏电时可被漏电保护器检测到的电源线 Download PDF

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WO2023221151A1
WO2023221151A1 PCT/CN2022/094698 CN2022094698W WO2023221151A1 WO 2023221151 A1 WO2023221151 A1 WO 2023221151A1 CN 2022094698 W CN2022094698 W CN 2022094698W WO 2023221151 A1 WO2023221151 A1 WO 2023221151A1
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wire
neutral
insulation layer
layer
live
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PCT/CN2022/094698
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English (en)
French (fr)
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邹建华
余星进
左李
郑伯源
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中山市开普电器有限公司
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Priority to EP22868419.7A priority Critical patent/EP4300518A4/en
Publication of WO2023221151A1 publication Critical patent/WO2023221151A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/32—Insulated conductors or cables characterised by their form with arrangements for indicating defects, e.g. breaks or leaks

Definitions

  • the utility model relates to a power cord that can be detected by a leakage protector when leaking electricity.
  • the existing power cord used on the leakage protector includes an outer covering layer.
  • the outer covering layer is provided with live wires, neutral wires and ground wires.
  • the live wires, neutral wires and ground wires are composed of wire cores and insulation layers. Therefore, in When the insulation layer of the live wire and the neutral wire is damaged, the live wire and the neutral wire are short-circuited.
  • the leakage protector cannot cut off the power when the live wire and the neutral wire are short-circuited. Therefore, a fire occurs when the live wire and the neutral wire are short-circuited.
  • the utility model overcomes the shortcomings of the above technology and provides a power cord that can be detected by a leakage protector when leaking electricity.
  • a power cord that can be detected by a leakage protector when leaking electricity is characterized in that it includes an outer covering layer, and the outer covering layer is provided with live wires, neutral lines and ground wires.
  • the live wires include live wire cores and are sleeved in sequence.
  • the neutral line includes a neutral wire core and a first neutral wire insulation layer and a neutral wire shield that are successively set on the outside of the neutral wire core.
  • layer, the second insulation layer of the neutral line, and the ground wire includes a ground wire core and a ground wire insulation layer set outside the ground wire core.
  • the above-mentioned power cord that can be detected by a leakage protector when leaking electricity is characterized in that: the live wire core, the neutral wire core and the ground wire core are all copper conductor cores.
  • the above-mentioned power cord that can be detected by a leakage protector when leaking electricity is characterized in that: the live wire shielding layer and the neutral wire shielding layer are both metal mesh braided layers.
  • the above-mentioned power cord that can be detected by a leakage protector when leaking electricity is characterized in that: the metal mesh braid is a copper mesh braid, a copper mesh aluminum foil braid, or a copper-aluminum mesh braid.
  • the above-mentioned power line that can be detected by a leakage protector when leaking electricity is characterized by: a first insulation layer for the live wire, a second insulation layer for the live wire, a first insulation layer for the neutral wire, a second insulation layer for the neutral wire, and a ground wire.
  • the wire insulation layer is polyvinyl chloride insulation layer, polyethylene insulation layer or cross-linked polyethylene insulation layer.
  • the above-mentioned power cord that can be detected by a leakage protector when leaking electricity is characterized in that the outer coating layer is a polyvinyl chloride outer coating layer, a polyethylene outer coating layer or a polyperfluoroethylene-propylene outer coating layer.
  • the utility model is respectively provided with a shielding layer and an insulating layer on the outside of the live wire and the neutral wire.
  • the live wire core, the live wire shielding layer, the neutral wire core, and the neutral wire shielding layer are connected to the leakage protector respectively.
  • connection when the live wire shielding layer or the neutral wire shielding layer breaks, or the live wire and live wire shielding layers are short-circuited, or the neutral line and the neutral wire shielding layer are short-circuited, at this time the leakage protector detects an abnormal signal from the power line, and the leakage protector disconnects the fire zero
  • the electrical connection of the power cord can prevent fires caused by short circuit between the live wire core and the neutral wire core after the power cord is damaged.
  • Figure 1 is a schematic structural diagram of the utility model.
  • a power cord that can be detected by a leakage protector when leaking electricity includes an outer covering layer 1.
  • the outer covering layer 1 is provided with a live wire, a neutral wire and a ground wire.
  • the live wire includes a live wire core 21. and the live wire first insulating layer 22, the live wire shielding layer 23, and the live wire second insulating layer 24 that are sequentially placed outside the live wire core 21 to achieve multiple functions of protecting the live wire core 21;
  • the neutral line includes a neutral wire core 31 and the first neutral insulation layer 32, the neutral shielding layer 33, and the second neutral insulation layer 34 that are sequentially placed outside the neutral core 31 to achieve multiple functions of protecting the neutral core 31;
  • the ground wire includes The ground wire core 41 and the ground wire insulation layer 42 covering the outside of the ground wire core 41 .
  • the live wire core 21, the live wire shielding layer 23, the neutral wire core 31, the neutral wire shielding layer 33, and the ground wire core 41 are all connected to the leakage protector, among which the live wire shielding layer 23, the neutral wire
  • the shielding layer 33 is respectively connected to the shielding wire short-circuit power-off component of the leakage protector.
  • the leakage protector will disconnect the electrical connection to prevent the live wire core 21 from being connected to A fire occurred due to short circuit of neutral wire core 31.
  • the live wire core 21, the neutral wire core 31 and the ground wire core 41 are all copper conductor cores.
  • the copper conductor core has the advantages of good conductivity, flexibility, ductility and low price.
  • the live wire shielding layer 23 and the neutral wire shielding layer 33 are both metal mesh braided layers, where the metal mesh braided layer is a copper mesh braided layer, a copper mesh aluminum foil braided layer or a copper aluminum mesh braided layer.
  • Metal materials with a metal mesh braid layer are selected according to actual needs and usage environment.
  • the first insulation layer 22 of the live wire, the second insulation layer 24 of the live wire, the first insulation layer 32 of the neutral wire, the second insulation layer 34 of the neutral wire, and the ground wire insulation layer 42 are polyvinyl chloride insulation layer, polyethylene Insulation layer or cross-linked polyethylene insulation layer, the material of the insulation layer is selected according to actual needs and use environment.
  • the outer covering layer 1 is a polyvinyl chloride outer covering layer, a polyethylene outer covering layer or a polyperfluoroethylene-propylene outer covering layer.
  • the outer covering layer material is selected according to actual needs and usage environment.

Landscapes

  • Insulated Conductors (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

一种漏电时可被漏电保护器检测到的电源线，包括有外被层（1），外被层（1）内设有火线、零线和地线，火线包括有火线线芯（21）以及依次套设在火线线芯（21）外侧的火线第一绝缘层（22）、火线屏蔽层（23）、火线第二绝缘层（24），零线包括有零线线芯（31）以及依次套设在零线线芯（31）外侧的零线第一绝缘层（32）、零线屏蔽层（33）、零线第二绝缘层（34），地线包括有地线线芯（41）以及套设在地线线芯（41）外侧的地线绝缘层（42），在火线屏蔽层（23）、零线屏蔽层（33）发生断裂或者火线与火线屏蔽层（23）短路、零线与零线屏蔽层（33）短路，此时漏电保护器检测到电源线的异常信号，漏电保护器断开火零线的电连接，可防止电源线破损后火线线芯（21）和零线线芯（31）短接发生火灾。

Description

一种漏电时可被漏电保护器检测到的电源线 [技术领域]
本实用新型涉及一种漏电时可被漏电保护器检测到的电源线。
[背景技术]
现有应用于漏电保护器上的电源线，包括有外被层，外被层内设有火线、零线和地线，火线、零线和地线均由线芯和绝缘层组成，因此在火线绝缘层、零线绝缘层破损时，火线与零线短路，而漏电保护器不能在火线与零线短接的状态下断电，因此出现火零线短接发生火灾的情况。
[实用新型内容]
本实用新型克服了上述技术的不足，提供了一种漏电时可被漏电保护器检测到的电源线。
为实现上述目的，本实用新型采用了下列技术方案：
一种漏电时可被漏电保护器检测到的电源线，其特征在于：包括有外被层，外被层内设有火线、零线和地线，火线包括有火线线芯以及依次套设在火线线芯外侧的火线第一绝缘层、火线屏蔽层、火线第二绝缘层，零线包括有零线线芯以及依次套设在零线线芯外侧的零线第一绝缘层、零线屏蔽层、零线第二绝缘层，地线包括有地线线芯以及套设在地线线芯外侧的地线绝缘层。
如上所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：火线线芯、零线线芯和地线线芯均为铜导体线芯。
如上所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：火线屏蔽层、零线屏蔽层均为金属网状编织层。
如上所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：金属网状编织层为铜网状编织层、铜网铝箔编织层或铜铝网状编织层。
如上所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：火线第一绝缘层、火线第二绝缘层、零线第一绝缘层、零线第二绝缘层、地线绝缘层为聚氯乙烯绝缘层、聚乙烯绝缘层或交联聚乙烯绝缘层。
如上所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：外被层为聚氯乙烯外被层、聚乙烯外被层或聚全氟乙丙烯外被层。
本实用新型的有益效果是：
本实用新型分别在火线、零线外侧依次套设有屏蔽层、绝缘层，在与漏电保护器连接时，火线线芯、火线屏蔽层、零线线芯、零线屏蔽层分别与漏电保护器连接，在火线屏蔽层、零线屏蔽层发生断裂或者火线与火线屏蔽层短路、零线与零线屏蔽层短路，此时漏电保护器检测到电源线的异常信号，漏电保护器断开火零线的电连接，可防止电源线破损后火线线芯和零线线芯短接发生火灾。
[附图说明]
图1为本实用新型结构示意图。
[具体实施方式]
下面将结合附图，对本实用新型实施例中的技术方案进行清楚、完整地描述。
需要说明，本实用新型实施例中所有方向性指示(诸如上、下、左、右、前、后…)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系、运动情况等，如果该特定姿态发生改变时，则该方向性指示也相 应地随之改变。另外，在本实用新型中涉及“优选”、“次优选”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“优选”、“次优选”的特征可以明示或者隐含地包括至少一个该特征。
如图1所示，一种漏电时可被漏电保护器检测到的电源线，包括有外被层1，外被层1内设有火线、零线和地线，火线包括有火线线芯21以及依次套设在火线线芯21外侧的火线第一绝缘层22、火线屏蔽层23、火线第二绝缘层24，实现了多重保护火线线芯21的功能；零线包括有零线线芯31以及依次套设在零线线芯31外侧的零线第一绝缘层32、零线屏蔽层33、零线第二绝缘层34，实现了多重保护零线线芯31的功能；地线包括有地线线芯41以及套设在地线线芯41外侧的地线绝缘层42。
在与漏电保护器连接时，火线线芯21、火线屏蔽层23、零线线芯31、零线屏蔽层33、地线线芯41均与漏电保护器连接，其中火线屏蔽层23、零线屏蔽层33分别与漏电保护器的屏蔽线短接断电组件连接。
使用时，当出现火线第一绝缘层22破损、零线第一绝缘层32破损、火线屏蔽层23断裂、零线屏蔽层33断裂，漏电保护器即断开电连接，防止火线线芯21与零线线芯31短接发生火灾。
如图1所示，火线线芯21、零线线芯31和地线线芯41均为铜导体线芯，铜导体线芯具有良好导电性、柔软性、延展性且价格低等优点。
如图1所示，火线屏蔽层23、零线屏蔽层33均为金属网状编织层，其中金属网状编织层为铜网状编织层、铜网铝箔编织层或铜铝网状编织层，根据实际需求以及使用环境选用金属网状编织层的金属材料。
如图1所示，火线第一绝缘层22、火线第二绝缘层24、零线第一绝缘层32、零线第二绝缘层34、地线绝缘层42为聚氯乙烯绝缘层、聚乙烯绝缘层或交联聚乙烯绝缘层，根据实际需求以及使用环境选用绝缘层的制作材料。
如图1所示，外被层1为聚氯乙烯外被层、聚乙烯外被层或聚全氟乙丙烯外被层，根据实际需求以及使用环境选用外被层的制作材料。
以上仅为本实用新型的优选实施例，并非因此限制本实用新型的专利范围，凡是在本实用新型的实用新型构思下，利用本实用新型说明书及附图内容所作的等效结构变换，或直接或间接运用在其他相关的技术领域均包括在本实用新型的专利保护范围内。

Claims (6)

  1. 一种漏电时可被漏电保护器检测到的电源线，其特征在于：包括有外被层(1)，外被层(1)内设有火线、零线和地线，火线包括有火线线芯(21)以及依次套设在火线线芯(21)外侧的火线第一绝缘层(22)、火线屏蔽层(23)、火线第二绝缘层(24)，零线包括有零线线芯(31)以及依次套设在零线线芯(31)外侧的零线第一绝缘层(32)、零线屏蔽层(33)、零线第二绝缘层(34)，地线包括有地线线芯(41)以及套设在地线线芯(41)外侧的地线绝缘层(42)。
  2. 根据权利要求1所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：火线线芯(21)、零线线芯(31)和地线线芯(41)均为铜导体线芯。
  3. 根据权利要求1所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：火线屏蔽层(23)、零线屏蔽层(33)均为金属网状编织层。
  4. 根据权利要求3所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：金属网状编织层为铜网状编织层、铜网铝箔编织层或铜铝网状编织层。
  5. 根据权利要求1所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：火线第一绝缘层(22)、火线第二绝缘层(24)、零线第一绝缘层(32)、零线第二绝缘层(34)、地线绝缘层(42)为聚氯乙烯绝缘层、聚乙烯绝缘层或交联聚乙烯绝缘层。
  6. 根据权利要求1所述的一种漏电时可被漏电保护器检测到的电源线，其特征在于：外被层(1)为聚氯乙烯外被层、聚乙烯外被层或聚全氟乙丙烯外被层。
PCT/CN2022/094698 2022-05-17 2022-05-24 一种漏电时可被漏电保护器检测到的电源线 WO2023221151A1 (zh)

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Application Number Priority Date Filing Date Title
EP22868419.7A EP4300518A4 (en) 2022-05-17 2022-05-24 POWER CABLE WHOSE ELECTRIC LEAKAGE CAN BE DETECTED BY A LEAKAGE PROTECTOR

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CN202221185174.6U CN217788072U (zh) 2022-05-17 2022-05-17 一种漏电时可被漏电保护器检测到的电源线
CN202221185174.6 2022-05-17

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