WO2021164377A1 - 一种多边形光电混合缆 - Google Patents

一种多边形光电混合缆 Download PDF

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Publication number
WO2021164377A1
WO2021164377A1 PCT/CN2020/134148 CN2020134148W WO2021164377A1 WO 2021164377 A1 WO2021164377 A1 WO 2021164377A1 CN 2020134148 W CN2020134148 W CN 2020134148W WO 2021164377 A1 WO2021164377 A1 WO 2021164377A1
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WO
WIPO (PCT)
Prior art keywords
loose tube
electric unit
optical fiber
hybrid cable
photoelectric hybrid
Prior art date
Application number
PCT/CN2020/134148
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English (en)
French (fr)
Inventor
阚晓洁
Original Assignee
常熟虞通光电科技有限公司
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Application filed by 常熟虞通光电科技有限公司 filed Critical 常熟虞通光电科技有限公司
Priority to CN202080005262.0A priority Critical patent/CN112823399A/zh
Publication of WO2021164377A1 publication Critical patent/WO2021164377A1/zh

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Classifications

    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B11/00—Communication cables or conductors
    • H01B11/22—Cables including at least one electrical conductor together with optical fibres
    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • 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
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/221—Longitudinally placed metal wires or tapes
    • 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
    • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction

Definitions

  • the invention belongs to the field of cables, and in particular relates to a polygonal photoelectric hybrid cable.
  • CN209149851U discloses a cable that includes at least one conductor, a first protective layer covering the conductor, and a covering
  • the second protective layer of the first protective layer, and the cross-section of the second protective layer is a regular polygon, and the hardness of the first protective layer is greater than the hardness of the second protective layer.
  • the above-mentioned prior art has the following shortcomings: when the internal conductor is broken and needs to be repaired, the first protective layer must be broken to cause certain damage to the cable, which is not conducive to rapid repair.
  • the purpose of the present invention is to disclose a polygonal photoelectric hybrid cable, which is realized by adopting the following technical solutions.
  • a polygonal photoelectric hybrid cable having a loose tube and at least three electrical units located outside the loose tube. At least one optical communication component is provided in the loose tube.
  • the loose tube is characterized in that the loose tube consists of a loose tube body and The second clamping part located outside the loose tube body is constituted by the same number of the second clamping parts as the number of electric units, a fiber containing cavity is formed inside the loose tube body, and the optical communication component is located in the fiber containing cavity
  • the electric unit is composed of a conductor, an electric unit sheath located outside the conductor, and a first clamping part, the electric unit sheath is trapezoidal, the first clamping part is located on the second oblique edge, and the electric unit protects
  • the lower bottom edge of the sleeve forms a first card slot and a second card slot. The second card slot is inserted into the second card slot, the first card slot is inserted into the first card slot, and all the electrical units surround in the same direction. Outside the loose tube.
  • the above-mentioned polygonal photoelectric hybrid cable is characterized in that the first oblique side of the electric unit sheath and the upper bottom edge of the previous electric unit sheath are located on the same plane.
  • the above-mentioned polygonal photoelectric hybrid cable is characterized in that the lower bottom edge of the electric unit sheath is also formed with a third slot, and the width of the third slot is smaller than the outer diameter of the conductor, which facilitates the third The access to the card slot, and because the lower bottom edge of the unit sheath is facing inward, the conductor will not be exposed to the outside of the photoelectric hybrid cable when it is separated from the sheath of the output unit in time, thereby causing a short circuit.
  • the aforementioned polygonal photoelectric hybrid cable is characterized in that the loose tube material is polybutylene terephthalate or modified polypropylene.
  • the aforementioned polygonal photoelectric hybrid cable is characterized in that the material of the conductor is copper or aluminum.
  • the aforementioned polygonal photoelectric hybrid cable is characterized in that the electric unit sheath material is polyvinyl chloride, high-density polyethylene, or cross-linked polyethylene.
  • the above-mentioned polygonal photoelectric hybrid cable is characterized in that the material of the optical communication component is G.652 type optical fiber or G.653 type optical fiber or G.654 type optical fiber or G.655 type optical fiber or G.656.
  • the aforementioned polygonal photoelectric hybrid cable is characterized in that the shape of the electrical unit sheath is an isosceles trapezoid.
  • each of the second clamping members is also provided with a reinforcing member, which can make the photoelectric hybrid cable have stronger tensile properties and be more resistant to bending.
  • the above-mentioned polygonal photoelectric hybrid cable is characterized in that the material of the reinforcing member is phosphating steel wire or stainless steel wire or glass fiber reinforced plastic rod.
  • the multiple electric units of the present invention are spliced into a polygon to protect the loose tube inside.
  • the polygon can also prevent the photoelectric hybrid cable from twisting to a certain extent.
  • the second clamping part outside the loose tube improves the loose tube.
  • the tube s ability to withstand lateral pressure. There is a gap between the electric unit sheath and the loose tube body, so that the heat radiated into the photoelectric hybrid cable when the electric unit is working is dissipated through the gap between the electric unit sheath and the loose tube body , Will not affect the transmission performance of the optical communication components in the loose tube.
  • the first clamping part, the second clamping part and the corresponding first and second clamping slots make the clamping of each electric unit and the electric unit and
  • the clamping of the loose tube is firmer, enhancing the stability of the photoelectric hybrid cable; at the same time, when the electric unit is damaged, the damaged electric unit can be directly replaced, which is convenient for maintenance.
  • the invention has the beneficial effects of simple structure, convenient use, resistance to stretching, resistance to torsion, convenient maintenance, good stability, good heat dissipation performance and the like.
  • FIG. 1 is a schematic diagram of the three-dimensional structure of Embodiment 1 of the present invention.
  • Embodiment 2 is a schematic diagram of the three-dimensional structure of Embodiment 2 of the present invention.
  • FIG. 3 is a schematic diagram of the three-dimensional structure of the loose tube in embodiment 1 or embodiment 2 of the present invention.
  • Embodiment 4 is a schematic diagram of the three-dimensional structure of Embodiment 3 of the present invention.
  • Fig. 5 is a schematic diagram of a three-dimensional structure of a loose tube in embodiment 3 of the present invention.
  • FIG. 6 is a schematic diagram of the three-dimensional structure of the electrical unit in Embodiment 1 or Embodiment 2 or Embodiment 3 of the present invention.
  • FIG. 7 is a schematic diagram of a three-dimensional structure of an electric unit according to Embodiment 4 of the present invention.
  • Embodiment 1 please see Figure 1, Figure 3 and Figure 6, a polygonal photoelectric hybrid cable with a loose tube 2 and eight electrical units 1 located outside the loose tube 2, where at least There is an optical communication component 3, which is characterized in that the loose tube 2 is composed of a loose tube main body 21 and a second clamping part 22 located outside the loose tube main body 21. The number of the second clamping parts 22 is equal to The number of electrical units 1 is the same.
  • the loose tube main body 21 forms a fiber-containing cavity 23.
  • the optical communication component 3 is located in the fiber-containing cavity 23.
  • the unit sheath 14 and the first clamping part 17 are formed.
  • the electric unit sheath 14 is in a trapezoidal shape.
  • the first clamping part 17 is located on the second oblique edge 16, and the lower bottom edge of the electric unit sheath 14 forms a first clip. Slot 12 and the second card slot 15, the second clamping member 22 is clamped into the second clamping slot 15, the first clamping member 17 is clamped into the first clamping slot 12, and all the electrical units 1 are enclosed in the same direction. Outside the sleeve 2, the first oblique side 11 of the electric unit sheath 14 and the upper bottom edge of the previous electric unit sheath 14 are located on the same plane.
  • Embodiment 2 please refer to Figures 2 and 6, and refer to Figure 3, a polygonal photoelectric hybrid cable with a loose tube 2 and eight electrical units 1 located outside the loose tube 2, inside the loose tube 2
  • At least one optical communication component 3 is provided, which is characterized in that the loose tube 2 is composed of a loose tube main body 21 and a second clamping part 22 located outside the loose tube main body 21.
  • the number is the same as the number of electrical units 1.
  • a fiber containing cavity 23 is formed inside the loose tube body 21, and the optical communication component 3 is located in the fiber containing cavity 23.
  • the electrical unit 1 consists of a conductor 13 located outside the conductor 13
  • the electric unit sheath 14 and the first clamping member 17 are formed, the electric unit sheath 14 is trapezoidal, the first clamping member 17 is located on the second oblique edge 16, and the lower bottom edge of the electric unit sheath 14 forms a A card slot 12 and a second card slot 15.
  • the second card slot 22 is inserted into the second card slot 15, the first card slot 17 is inserted into the first card slot 12, and all the electrical units 1 surround in the same direction.
  • Outside the loose tube 2 and the first oblique side 11 of the electric unit sheath 14 is on the same plane as the upper bottom edge of the previous electric unit sheath 14, and each second clamping part 22 is also provided with one Reinforcement.
  • the above-mentioned polygonal photoelectric hybrid cable is characterized in that the material of the reinforcing member is phosphating steel wire or stainless steel wire or glass fiber reinforced plastic rod.
  • adding a reinforcing member can make the optical-electric hybrid cable have stronger tensile properties and be more resistant to bending.
  • Embodiment 3 please see Figure 4, Figure 5 and Figure 6, a polygonal photoelectric hybrid cable with a loose tube 2 and six electrical units 1 located outside the loose tube 2, at least one
  • the optical communication component 3 is characterized in that the loose tube 2 is composed of a loose tube main body 21 and a second clamping part 22 located outside the loose tube main body 21.
  • the number of the second clamping parts 22 is equal to the electrical
  • the number of units 1 is the same.
  • the loose tube main body 21 forms a fiber-containing cavity 23 inside.
  • the optical communication component 3 is located in the fiber-containing cavity 23.
  • the sheath 14 and the first clamping part 17 are formed.
  • the electric unit sheath 14 is trapezoidal, the first clamping part 17 is located on the second oblique edge 16, and the lower bottom edge of the electric unit sheath 14 forms a first clamping slot 12 and the second clamping slot 15, the second clamping component 22 is clamped into the second clamping slot 15, the first clamping component 17 is clamped into the first clamping slot 12, and all the electrical units 1 are enclosed in a loose sleeve in the same direction Outside the tube 2, and the first oblique side 11 of the electric unit sheath 14 and the upper bottom edge of the previous electric unit sheath 14 are located on the same plane.
  • Embodiment 4 please refer to Figure 7 and refer to Figures 1 and 3, a polygonal photoelectric hybrid cable with a loose tube 2 and eight electrical units 1 located outside the loose tube 2, at least An optical communication component 3 is provided, which is characterized in that the loose tube 2 is composed of a loose tube main body 21 and a second clamping part 22 located outside the loose tube main body 21. The number of the second clamping parts 22 is The number of electrical units 1 is the same as that of the loose tube body 21. A fiber containing cavity 23 is formed inside the loose tube body 21. The optical communication component 3 is located in the fiber containing cavity 23. The electric unit sheath 14 and the first clamping part 17 are formed. The electric unit sheath 14 is trapezoidal.
  • the first clamping part 17 is located on the second oblique edge 16.
  • the access of the third card slot 18 is facilitated, and since the lower bottom edge of the unit sheath 14 is facing inward, the conductor 13 is timely separated from the output unit sheath 14 and will not be exposed to the photoelectric hybrid cable. Externally, causing a short circuit.
  • the polygonal photoelectric hybrid cable described in any of the foregoing embodiments is characterized in that the material of the loose tube 2 is polybutylene terephthalate or modified polypropylene.
  • the polygonal photoelectric hybrid cable described in any of the foregoing embodiments is characterized in that the material of the conductor 13 is copper or aluminum.
  • the polygonal photoelectric hybrid cable according to any of the above embodiments is characterized in that the material of the electric unit sheath 14 is polyvinyl chloride, high density polyethylene, or cross-linked polyethylene.
  • the polygonal photoelectric hybrid cable according to any of the above embodiments is characterized in that the material of the optical communication component 3 is G.652 type optical fiber or G.653 type optical fiber or G.654 type optical fiber or G.655 type optical fiber Or G.656 type optical fiber or G.657 type optical fiber or A1a type optical fiber or A1b type optical fiber or A1c type optical fiber, or an optical fiber ribbon composed of at least two of the above optical fibers, or an optical fiber ribbon stack composed of at least two of the above optical fiber ribbons Belt body.
  • the material of the optical communication component 3 is G.652 type optical fiber or G.653 type optical fiber or G.654 type optical fiber or G.655 type optical fiber Or G.656 type optical fiber or G.657 type optical fiber or A1a type optical fiber or A1b type optical fiber or A1c type optical fiber, or an optical fiber ribbon composed of at least two of the above optical fibers, or an optical fiber ribbon stack composed of at least two of the above optical fiber ribbons Belt body
  • the polygonal photoelectric hybrid cable according to any of the foregoing embodiments is characterized in that the shape of the electrical unit sheath 14 is an isosceles trapezoid.
  • the plurality of electric units 1 are spliced into a polygon to protect the loose tube 2 inside.
  • the polygon can also prevent twisting of the photoelectric hybrid cable to a certain extent.
  • the second clamping part 22 outside the loose tube 2 The lateral pressure resistance of the loose tube 2 is improved.
  • the second slot 15 makes the clamping of each electric unit 1 and the clamping of the electric unit 1 and the loose tube 2 more firm, and enhances the stability of the photoelectric hybrid cable; at the same time, when the electric unit 1 is damaged, it can directly The damaged electric unit 1 is replaced, which is convenient for maintenance.
  • the invention solves the problem that the outer protective layer needs to be damaged when repairing the photoelectric hybrid cable.

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Abstract

一种多边形光电混合缆，具有松套管(2)和位于松套管(2)外的至少三根电单元(1)，该松套管(2)内至少设有一根光通信部件(3)，该松套管(2)由松套管主体(21)和位于松套管主体(21)外的第二卡接部件(22)构成，该电单元(1)由导电体(13)、位于导电体(13)外的电单元护套(14)和第一卡接部件(17)构成，该电单元护套(14)呈梯形，第一卡接部件(17)位于第二斜边(16)上，电单元护套(14)的下底边形成第一卡槽(12)和第二卡槽(15)，该第二卡接部件(22)卡入第二卡槽(15)内，第一卡接部件(17)卡入第一卡槽(12)内，所有电单元(1)同方向围绕在松套管(2)外；该多边形光电混合缆解决了维修光电混合缆时，需要破坏外护层的问题，具有结构简单、使用方便、抗拉伸、抗扭转、维修方便、稳定性好、散热性能好等有益效果。

Description

一种多边形光电混合缆 技术领域
本发明属于线缆领域，尤其是涉及一种多边形光电混合缆。
 背景技术
近年来，随着国家通信网络的不断发展，光缆的敷设越来越多。光电混合缆结构多为缆心外保护护层的结构，如现有技术中，如CN209149851U公开了了一种电缆，包括至少一根导体、包覆所述导体的第一保护层以及包覆所述第一保护层的第二保护层，并且所述第二保护层的横截面为正多边形，所述第一保护层的硬度大于所述第二保护层的硬度。
 技术问题
上述现有技术存在如下缺憾：当内部导体出现断路，需要维修时，必须破开第一保护层，对电缆形成一定的损坏，不利于快速维修。
 技术解决方案
为了解决上述问题，本发明的目的是揭示一种多边形光电混合缆，它是采用以下技术方案实现的。
一种多边形光电混合缆，具有松套管和位于松套管外的至少三根电单元，所述松套管内至少设有一根光通信部件，其特征在于所述松套管由松套管主体和位于松套管主体外的第二卡接部件构成，所述第二卡接部件的数量与电单元的数量相同，所述松套管主体内部形成一个容纤腔，光通信部件位于容纤腔内，所述电单元由导电体、位于导电体外的电单元护套和第一卡接部件构成，所述电单元护套呈梯形，第一卡接部件位于第二斜边上，电单元护套的下底边形成第一卡槽和第二卡槽，所述第二卡接部件卡入第二卡槽内，第一卡接部件卡入第一卡槽内，所有电单元同方向围绕在松套管外。
上述所述的一种多边形光电混合缆，其特征在于所述的电单元护套的第一斜边与前一个电单元护套的上底边位于同一平面。
上述所述的一种多边形光电混合缆，其特征在于所述的电单元护套的下底边还形成一个第三卡槽，第三卡槽的宽度小于导电体的外径，方便了第三卡槽的取用，且由于单元护套的下底边是朝内侧的，导电体及时脱离出电单元护套也不会暴露在光电混合缆外部，从而造成短路。
上述所述的一种多边形光电混合缆，其特征在于所述的松套管材料是聚对苯二甲酸丁二醇脂或改性聚丙烯。
    上述所述的一种多边形光电混合缆，其特征在于所述的导电体的材料是铜或铝。
上述所述的一种多边形光电混合缆，其特征在于所述的电单元护套材料为聚氯乙烯或高密度聚乙烯或交联聚乙烯。
上述所述的一种多边形光电混合缆，其特征在于所述的光通信部件材料是为G.652型光纤或G.653型光纤或G.654型光纤或G.655型光纤或G.656型光纤或G.657型光纤或A1a型光纤或A1b型光纤或A1c型光纤，或由至少两根上述光纤组成的光纤带，或由至少两根上述光纤带组成的光纤带叠带体。
    上述所述的一种多边形光电混合缆，其特征在于所述的电单元护套形状为等腰梯形。
上述所述的一种多边形光电混合缆，其特征在于所述的每个第二卡接部件内还设有一根加强件，可以使光电混合缆具有更强的拉伸性能，更抗弯曲。
上述所述的一种多边形光电混合缆，其特征在于所述的加强件材料为磷化钢丝或不锈钢丝或玻璃纤维增强塑料杆。
本发明的中多个电单元，相互拼接成一个多边形，对内部的松套管进行保护，多边形还可一定程度防止光电混合缆发生扭转，松套管外的第二卡接部件提高了松套管的抗侧压能力，电单元护套和松套管主体之间具有空隙，使电单元工作时向光电混合缆内部散发的热量通过电单元护套和松套管主体之间具有空隙散出，不会影响松套管内的光通信部件的传输性能，同时第一卡接部件、第二卡接部件和对应的第一卡槽、第二卡槽使各个电单元的卡接和电单元与松套管的卡接更加牢固，增强光电混合缆的稳定性；同时，当电单元发生损坏时，可直接对损坏的电单元替换，维护方便。
 有益效果
本发明具有结构简单、使用方便、抗拉伸、抗扭转、维修方便、稳定性好、散热性能好等有益效果。
 附图说明
图1为本发明实施例1立体结构示意图。
图2为本发明实施例2立体结构示意图。
图3为本发明实施例1或实施例2松套管立体结构示意图。
图4为本发明实施例3立体结构示意图。
图5为本发明实施例3松套管立体结构示意图。
图6为本发明实施例1或实施例2或实施例3电单元立体结构示意图。
图7为本发明实施例4电单元立体结构示意图。
图中：1.电单元、11.第一斜边、12.第一卡槽、13.导电体、14.电单元护套、15.第二卡槽、16.第二斜边、17.第一卡接部件、18.第三卡槽、2.松套管、21.松套管主体、22.第二卡接部件、23.容纤腔、3.光通信部件。
 本发明的最佳实施方式
实施例 1 ，      请见图1、图3和图6，一种多边形光电混合缆，具有松套管2和位于松套管2外的八根电单元1，所述松套管2内至少设有一根光通信部件3，其特征在于所述松套管2由松套管主体21和位于松套管主体21外的第二卡接部件22构成，所述第二卡接部件22的数量与电单元1的数量相同，所述松套管主体21内部形成一个容纤腔23，光通信部件3位于容纤腔23内，所述电单元1由导电体13、位于导电体13外的电单元护套14和第一卡接部件17构成，所述电单元护套14呈梯形，第一卡接部件17位于第二斜边16上，电单元护套14的下底边形成第一卡槽12和第二卡槽15，所述第二卡接部件22卡入第二卡槽15内，第一卡接部件17卡入第一卡槽12内，所有电单元1同方向围绕在松套管2外，且电单元护套14的第一斜边11与前一个电单元护套14的上底边位于同一平面。
本发明的实施方式
实施例 2 ，请见图2和图6，并参考图3，一种多边形光电混合缆，具有松套管2和位于松套管2外的八根电单元1，所述松套管2内至少设有一根光通信部件3，其特征在于所述松套管2由松套管主体21和位于松套管主体21外的第二卡接部件22构成，所述第二卡接部件22的数量与电单元1的数量相同，所述松套管主体21内部形成一个容纤腔23，光通信部件3位于容纤腔23内，所述电单元1由导电体13、位于导电体13外的电单元护套14和第一卡接部件17构成，所述电单元护套14呈梯形，第一卡接部件17位于第二斜边16上，电单元护套14的下底边形成第一卡槽12和第二卡槽15，所述第二卡接部件22卡入第二卡槽15内，第一卡接部件17卡入第一卡槽12内，所有电单元1同方向围绕在松套管2外，且电单元护套14的第一斜边11与前一个电单元护套14的上底边位于同一平面，所述每个第二卡接部件22内还设有一根加强件。
上述所述的一种多边形光电混合缆，其特征在于所述的加强件材料为磷化钢丝或不锈钢丝或玻璃纤维增强塑料杆。
    本实施例中，加入加强件，可以使光电混合缆具有更强的拉伸性能，更抗弯曲。
实施例 3 ，请见图4、图5和图6，一种多边形光电混合缆，具有松套管2和位于松套管2外的六根电单元1，所述松套管2内至少设有一根光通信部件3，其特征在于所述松套管2由松套管主体21和位于松套管主体21外的第二卡接部件22构成，所述第二卡接部件22的数量与电单元1的数量相同，所述松套管主体21内部形成一个容纤腔23，光通信部件3位于容纤腔23内，所述电单元1由导电体13、位于导电体13外的电单元护套14和第一卡接部件17构成，所述电单元护套14呈梯形，第一卡接部件17位于第二斜边16上，电单元护套14的下底边形成第一卡槽12和第二卡槽15，所述第二卡接部件22卡入第二卡槽15内，第一卡接部件17卡入第一卡槽12内，所有电单元1同方向围绕在松套管2外，且电单元护套14的第一斜边11与前一个电单元护套14的上底边位于同一平面。
实施例 4 ，请见图7并参考图1和图3，一种多边形光电混合缆，具有松套管2和位于松套管2外的八根电单元1，所述松套管2内至少设有一根光通信部件3，其特征在于所述松套管2由松套管主体21和位于松套管主体21外的第二卡接部件22构成，所述第二卡接部件22的数量与电单元1的数量相同，所述松套管主体21内部形成一个容纤腔23，光通信部件3位于容纤腔23内，所述电单元1由导电体13、位于导电体13外的电单元护套14和第一卡接部件17构成，所述电单元护套14呈梯形，第一卡接部件17位于第二斜边16上，电单元护套14的下底边形成第一卡槽12和第二卡槽15，所述第二卡接部件22卡入第二卡槽15内，第一卡接部件17卡入第一卡槽12内，所有电单元1同方向围绕在松套管2外，且电单元护套14的第一斜边11与前一个电单元护套14的上底边位于同一平面，所述电单元护套14的下底边还形成一个第三卡槽18，第三卡槽18的宽度小于导电体13的外径，使导电体13可从第三卡槽18取出。
    本实施例中，方便了第三卡槽18的取用，且由于单元护套14的下底边是朝内侧的，导电体13及时脱离出电单元护套14也不会暴露在光电混合缆外部，从而造成短路。
    上述任意实施例所述的一种多边形光电混合缆，其特征在于所述的松套管2材料是聚对苯二甲酸丁二醇脂或改性聚丙烯。
    上述任意实施例所述的一种多边形光电混合缆，其特征在于所述的导电体13的材料是铜或铝。
上述任意实施例所述的一种多边形光电混合缆，其特征在于所述的电单元护套14材料为聚氯乙烯或高密度聚乙烯或交联聚乙烯。
上述任意实施例所述的一种多边形光电混合缆，其特征在于所述的光通信部件3材料是为G.652型光纤或G.653型光纤或G.654型光纤或G.655型光纤或G.656型光纤或G.657型光纤或A1a型光纤或A1b型光纤或A1c型光纤，或由至少两根上述光纤组成的光纤带，或由至少两根上述光纤带组成的光纤带叠带体。
    上述任意实施例所述的一种多边形光电混合缆，其特征在于所述的电单元护套14形状为等腰梯形。
    本发明的中多个电单元1，相互拼接成一个多边形，对内部的松套管2进行保护，多边形还可一定程度防止光电混合缆发生扭转，松套管2外的第二卡接部件22提高了松套管2的抗侧压能力，电单元护套14和松套管主体21之间具有空隙，使电单元1工作时向光电混合缆内部散发的热量通过电单元护套14和松套管主体21之间具有空隙散出，不会影响松套管2内的光通信部件3的传输性能，同时第一卡接部件17、第二卡接部件22和对应的第一卡槽12、第二卡槽15使各个电单元1的卡接和电单元1与松套管2的卡接更加牢固，增强光电混合缆的稳定性；同时，当电单元1发生损坏时，可直接对损坏的电单元1替换，维护方便。
本发明解决了维修光电混合缆时，需要破坏外护层的问题。
 工业实用性
本申请已实施并做出样品。上述的实施例仅为本发明的优选技术方案，而不应视为对于本发明的限制。本发明的保护范围应以权利要求记载的技术方案，包括权利要求记载的技术方案中技术特征的等同替换方案为保护范围。即在此范围内的等同替换改进，也在本发明的保护范围之内。

Claims (10)

  1. 一种多边形光电混合缆，具有松套管(2)和位于松套管(2)外的至少三根电单元(1)，所述松套管(2)内至少设有一根光通信部件(3)，其特征在于所述松套管(2)由松套管主体(21)和位于松套管主体(21)外的第二卡接部件(22)构成，所述第二卡接部件(22)的数量与电单元(1)的数量相同，所述松套管主体(21)内部形成一个容纤腔(23)，光通信部件(3)位于容纤腔(23)内，所述电单元(1)由导电体(13)、位于导电体(13)外的电单元护套(14)和第一卡接部件(17)构成，所述电单元护套(14)呈梯形，第一卡接部件(17)位于第二斜边(16)上，电单元护套(14)的下底边形成第一卡槽(12)和第二卡槽(15)，所述第二卡接部件(22)卡入第二卡槽(15)内，第一卡接部件(17)卡入第一卡槽(12)内，所有电单元(1)同方向围绕在松套管(2)外。
  2. 根据权利要求1所述的一种多边形光电混合缆，其特征在于所述的电单元护套(14)的第一斜边(11)与前一个电单元护套(14)的上底边位于同一平面。
  3. 根据权利要求1或权利要求2所述的一种多边形光电混合缆，其特征在于所述的电单元护套(14)的下底边还形成一个第三卡槽(18)，第三卡槽(18)的宽度小于导电体(13)的外径。
  4. 根据权利要求3所述的一种多边形光电混合缆，其特征在于所述的电单元护套(14)形状为等腰梯形。
  5. 根据权利要求4所述的一种多边形光电混合缆，其特征在于所述的每个第二卡接部件(22)内还设有一根加强件。
  6. 根据权利要求5所述的一种多边形光电混合缆，其特征在于所述的松套管(2)材料是聚对苯二甲酸丁二醇脂或改性聚丙烯。
  7. 根据权利要求6所述的一种多边形光电混合缆，其特征在于所述的导电体(13)的材料是铜或铝。
  8. 根据权利要求7所述的一种多边形光电混合缆，其特征在于所述的电单元护套(14)材料为聚氯乙烯或高密度聚乙烯或交联聚乙烯。
  9. 根据权利要求8所述的一种多边形光电混合缆，其特征在于所述的光通信部件(3)材料是为G.652型光纤或G.653型光纤或G.654型光纤或G.655型光纤或G.656型光纤或G.657型光纤或A1a型光纤或A1b型光纤或A1c型光纤，或由至少两根上述光纤组成的光纤带，或由至少两根上述光纤带组成的光纤带叠带体。
  10. 根据权利要求9所述的一种多边形光电混合缆，其特征在于所述的加强件材料为磷化钢丝或不锈钢丝或玻璃纤维增强塑料杆。
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