WO2023131351A1 - Câble plat à enroulement résistant aux hautes températures, résistant à la flexion et résistant à l'usure pour dispositif à fréquence variable - Google Patents

Câble plat à enroulement résistant aux hautes températures, résistant à la flexion et résistant à l'usure pour dispositif à fréquence variable Download PDF

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Publication number
WO2023131351A1
WO2023131351A1 PCT/CN2023/077579 CN2023077579W WO2023131351A1 WO 2023131351 A1 WO2023131351 A1 WO 2023131351A1 CN 2023077579 W CN2023077579 W CN 2023077579W WO 2023131351 A1 WO2023131351 A1 WO 2023131351A1
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WO
WIPO (PCT)
Prior art keywords
cable
resistant
frequency conversion
cores
bending
Prior art date
Application number
PCT/CN2023/077579
Other languages
English (en)
Chinese (zh)
Inventor
肖尚浩
宫传播
田兆云
尤超亚
张旭东
Original Assignee
安徽华能电缆集团有限公司
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 安徽华能电缆集团有限公司 filed Critical 安徽华能电缆集团有限公司
Priority to ZA2023/05954A priority Critical patent/ZA202305954B/en
Publication of WO2023131351A1 publication Critical patent/WO2023131351A1/fr

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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
    • H01B7/08—Flat or ribbon cables
    • H01B7/0861—Flat or ribbon cables comprising one or more screens
    • 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
    • H01B7/228—Metal braid
    • 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
    • H01B7/02—Disposition of insulation
    • 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
    • H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
    • 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
    • H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather

Definitions

  • the invention relates to the technical field of cable production, in particular to a reel flat cable with high temperature resistance, bending resistance and wear resistance for a frequency conversion device.
  • frequency conversion speed regulation motor is used in the high-power motor, the entire generator set can save 30% of electricity. And the use of frequency conversion speed regulation can realize the soft start of the motor, make the motor work smoothly, reduce the wear of the motor bearing, and prolong the service life and maintenance cycle of the motor. Therefore, frequency conversion speed regulation technology has been widely used in petroleum, metallurgy, power generation, railway, mining and other industries. With the rapid development of various electrified and intelligent machinery and equipment, frequency conversion devices have also been further applied to mobile machinery and equipment, such as: scrapers, power plant bucket wheel machines, cranes, loaders and other heavy handling equipment.
  • High temperature resistant reel cables for frequency conversion devices on the existing market often use silicone rubber as insulation and sheath materials, which are not wear-resistant when used, have poor tensile properties, short service life, are not easy to bend, have poor drag performance, and are inconvenient to use.
  • the present invention proposes a high-temperature-resistant, bending-resistant and wear-resistant reel flat cable for frequency conversion devices, including:
  • control cables include the first thin soft steel wire rope located in the middle, eight control cable cores and the cable core shielding layer coated on the outside of the first thin soft steel wire rope and the eight control cable core cables;
  • Frequency conversion cable one the frequency conversion cable one includes three first frequency conversion power cores, three ground cores, and a cable core shielding layer covering the outside of the three first frequency conversion power cores and three ground cores;
  • the frequency conversion cable 2 includes the second thin soft steel wire rope located in the middle, three second frequency conversion power cores, three ground wire cores, and the second thin soft steel wire rope, three second frequency conversion power cores, and three ground wires The shielding layer of the cable core outside the core;
  • Inner sheath and outer sheath, the control cable, frequency conversion cable 1, frequency conversion cable 2, and control cable are arranged along a straight line in turn, and the inner sheath is extruded between two sets of control cables, frequency conversion cable 1, and frequency conversion cable 2 Between, the outer sheath covers the outside of the inner sheath.
  • control cable cores in the control cable are arranged in a circumferential array outside the first thin soft steel wire rope.
  • the three first frequency conversion power cores and the three ground cores in the frequency conversion cable 1 are alternately arranged in a circle; the three second frequency conversion power cores and the three ground cores in the frequency conversion cable 2 Circular alternate circumferential arrays are arranged outside the second thin flexible steel wire rope.
  • the eight control cable cores in the control cable all have a nominal thickness of 1.0 mm and a nominal cross section of 2.5 mm 2 .
  • the nominal thickness of the three first variable frequency power cores in the frequency conversion cable 1 are all 1.2 mm and the nominal cross section is 16 mm 2
  • the nominal thickness of the three ground cores are all 1.0 mm and the nominal cross section is 1.0 mm. Both are 2.5mm 2 .
  • the nominal thickness of the three second frequency conversion power wire cores in the frequency conversion cable 2 is 1.0 mm, and the nominal cross section is 4 mm 2 , and the nominal thickness of the three ground wire cores in the frequency conversion cable 2 is 1.0 mm. mm and nominal section are both 2.5mm 2 .
  • the outer part of the control cable is wrapped with a polyester tape isolation layer, and the pitch ratio of the cable is 7 to 8; 9 to 10.
  • the cable core shielding layer, the cable core shielding layer, and the cable core shielding layer are all tinned copper wire braids,
  • the weaving density is between 85% and 87%.
  • it also includes a light-weight non-woven isolation layer, and the cable core shielding layer, the cable core shielding layer, and the outside of the cable core shielding layer are all wrapped with the light-weight non-woven fabric isolation layer.
  • the inner sheath is made of TPEE material and its nominal thickness is 3.0mm.
  • the outer sheath is made of TPEE material.
  • a high-temperature-resistant, bending-resistant and wear-resistant reel flat cable proposed by the present invention adopts the above-mentioned technical scheme, and achieves the following technical effects:
  • the frequency conversion cable core adopts a 3+3 structure.
  • the pulse voltage during frequent frequency conversion plays a good role in protecting the frequency conversion electrical appliances, and has the advantages of energy saving, prolonging the service life and maintenance cycle of the motor;
  • the conductor adopts the sixth tinned annealed copper wire in accordance with the provisions of GB/T 3956, and the twisted structure is encrypted in the same direction.
  • the structural design such as tensile core is set to make the cable have excellent properties such as flexibility, tensile strength and bending resistance.
  • the insulation and sheath are made of TPEE material.
  • TPEE has extremely high tensile strength, excellent oil resistance and chemical resistance, excellent insulation, excellent resilience, and has excellent creep resistance, impact resistance and Flex fatigue resistance, its working temperature is very wide, so that the cable has excellent high temperature resistance, cold resistance, flex resistance, impact resistance, wear resistance and tear resistance.
  • Fig. 1 is a schematic cross-sectional structure diagram of the present invention.
  • Control cable 11. The first soft steel wire rope, 12. Control cable core, 13. Cable core shielding layer, 2. Frequency conversion cable 1, 21. The first frequency conversion power core, 22. Ground core, 23 .Cable core shielding layer, 3.Frequency conversion circuit Cable two, 31. The second soft steel wire rope, 32. The second frequency conversion power core, 33. Ground wire core, 34. Cable core shielding layer, 4. Inner sheath, 5. Outer sheath.
  • the first feature may be in direct contact with the first feature or the first and second feature may be in direct contact with the second feature through an intermediary. touch.
  • “above”, “above” and “above” the first feature on the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
  • “Below”, “beneath” and “beneath” the first feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is less horizontally than the second feature.
  • the present invention proposes a high-temperature-resistant, bending-resistant and wear-resistant reel flat cable for frequency conversion devices, including:
  • control cables 1 include the first thin soft steel wire rope 11 in the middle, eight control cable cores 12 and the cable core shielding layer 13 coated on the outside of the first thin soft steel wire rope 11 and the eight control cable cores 12;
  • eight control cable cores 12 in the control cable 1 are arranged in a circumferential array outside the first thin soft steel wire rope 11 .
  • the eight control cable cores 12 in the control cable 1 are all set to have a nominal thickness of 1.0 mm and a nominal cross section of 2.5 mm 2 .
  • the outer part of the control cable 1 is wrapped with a polyester tape isolation layer, and the pitch ratio of the cable is 7-8;
  • the frequency conversion cable 12, the frequency conversion cable 12 includes three first frequency conversion power cores 21, three ground cores 22, and a cable core shielding layer 23 coated on the outside of the three first frequency conversion power cores 21 and the three ground cores 22 ;
  • the three first frequency conversion power cores 21 and the three ground cores 22 in the frequency conversion cable 2 are alternately arranged in a circle.
  • the nominal thickness of the three first frequency conversion power cores 21 in the frequency conversion cable 12 are all 1.2 mm, and the nominal cross section is 16 mm 2 , and the nominal thickness of the three ground cores 22 are all 1.0 mm, and the nominal thickness is 1.0 mm. Said section is 2.5mm 2 .
  • the variable frequency cable-2 is wrapped with a polyester tape isolation layer, and the pitch ratio of the cable is 9-10.
  • the frequency conversion cable 2 3, the frequency conversion cable 2 3 includes the second thin soft steel wire rope 31 located in the middle, three second frequency conversion power cores 32, three ground cores 33, and the second thin soft steel wire rope 31, three second frequency conversion power cores 32.
  • the cable core shielding layer 34 outside the three ground wire cores 33; the three second frequency conversion power cores 32 and the three ground wire cores 33 in the frequency conversion cable 2 3 are arranged in a circular alternate circumferential array on the second thin soft steel wire rope 31 outside.
  • the nominal thickness of the three second frequency conversion power cores 32 in the frequency conversion cable 2 3 is 1.0 mm
  • the nominal cross section is 4 mm 2
  • the nominal thickness of the three ground cores 22 in the frequency conversion cable 2 3 is 1.0 mm. Both are 1.0mm, and the nominal cross-section is 2.5mm 2 .
  • the frequency conversion cable 2 3 is wrapped with a polyester tape isolation layer, and the section diameter ratio of the cable is 9-10.
  • Inner sheath 4 and outer sheath 5, control cable 1, frequency conversion cable 2, frequency conversion cable 2 3, and control cable 1 are arranged in sequence from left to right, and inner sheath 4 is extruded between two groups of control cable 1 and frequency conversion cable 1 2. Between frequency conversion cables 2 3 , the outer sheath 5 covers the inner sheath 4 outside.
  • the inner sheath 4 is made of TPEE material and its nominal thickness is 3.0mm.
  • the material is tinned annealed copper wire in accordance with GB/T 4910, the conductor stranding adopts the structure of bundled wire and multiple twisting, and the conductor The beam is right, the re-twisting direction is right, and the small pitch is twisted.
  • control cable cores 12 For the setting of the control cable 1 on the left: eight control cable cores 12, including seven white ones and one yellow one. For the setting of the control cable 1 on the right side, there are eight control cable cores 12, including three red ones, three green ones and two yellow ones.
  • the three first frequency conversion power wire cores 21 are red, yellow and green respectively, and the three ground wires 22 cores are all yellow-green.
  • the three second frequency conversion power cores 32 are respectively red, yellow and green, and the three ground cores 33 are all yellow-green.
  • frequency conversion cable 1 2 and frequency conversion cable 2 3 are all cabled according to the structure of 3+3, the direction is right, and the polyester tape isolating layer is wrapped around the outside, and the pitch ratio of the cable is 9 ⁇ 10; the control cable 1 is 8+ 1
  • the structure is cabled, the middle is a steel wire rope, the direction is right, and the outer layer is wrapped with a polyester tape isolation layer, and the cable pitch ratio is 7-8.
  • the above cable core shielding layer 13 , cable core shielding layer 23 , and cable core shielding layer 33 are all braided layers of tinned copper wires, and the braiding density is between 85% and 87%.
  • the cable core shielding layer 13, the cable core shielding layer 23, and the cable core shielding layer 33 are all wrapped with light non-woven fabric isolation layers.
  • the cable is equipped with an insulating protective layer, in which the insulating protective layer and the outer sheath 5 are made of TPEE (thermoplastic polyester elastomer) material, which makes the tensile strength not less than 20N/mm 2 , tear-resistant The strength is not less than 70kN/m, and the elongation at break is not less than 400%.
  • TPEE thermoplastic polyester elastomer

Abstract

Est prévu dans la présente invention un câble plat à enroulement résistant aux hautes températures, résistant à la flexion et résistant à l'usure pour un dispositif à fréquence variable. Le câble plat à enroulement résistant aux hautes températures, résistant à la flexion et résistant à l'usure comprend : deux câbles de commande, chaque câble de commande comprenant un premier câble en fil d'acier mince et flexible situé au milieu, huit âmes de câble de commande et une couche de blindage d'âme de câble, qui recouvre le premier câble en fil d'acier mince et flexible et les huit âmes de câble de commande ; et un câble à fréquence variable I, qui comprend trois âmes de fil d'alimentation à fréquence variable, trois âmes de fil de masse et une couche de blindage d'âme de câble, qui recouvre les trois âmes de fil d'alimentation à fréquence variable et les trois âmes de fil de masse. Dans la présente invention, deux câbles à fréquence variable sont prévus, et des âmes de câble à fréquence variable utilisent toutes deux une structure 3+3, et sont dotées à l'extérieur de couches tressées de fil de cuivre étamé, qui ont une densité supérieure ou égale à 85 %, de telle sorte que le câble a une forte résistance aux chocs de tension, peut résister à une tension d'impulsion pendant une conversion de fréquence fréquente à grande vitesse, a un bon effet de protection sur un appareil électrique à fréquence variable, et présente les avantages d'économiser de l'énergie et de prolonger la durée de vie et la période de maintenance d'un moteur électrique. De plus, le câble présente d'excellentes performances telles que la résistance à la traction et la résistance à la flexion au moyen de la conception structurelle spéciale du câble.
PCT/CN2023/077579 2022-05-12 2023-02-22 Câble plat à enroulement résistant aux hautes températures, résistant à la flexion et résistant à l'usure pour dispositif à fréquence variable WO2023131351A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2023/05954A ZA202305954B (en) 2022-05-12 2023-06-05 A flat coil cable with high temperature resistance, bending resistance and wear resistance for a frequency conversion device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210515394.9 2022-05-12
CN202210515394.9A CN114758830A (zh) 2022-05-12 2022-05-12 一种变频装置用耐高温抗弯曲耐磨卷筒扁电缆

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WO2023131351A1 true WO2023131351A1 (fr) 2023-07-13

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PCT/CN2023/077579 WO2023131351A1 (fr) 2022-05-12 2023-02-22 Câble plat à enroulement résistant aux hautes températures, résistant à la flexion et résistant à l'usure pour dispositif à fréquence variable

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CN (1) CN114758830A (fr)
LU (1) LU504403B1 (fr)
WO (1) WO2023131351A1 (fr)
ZA (1) ZA202305954B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114758830A (zh) * 2022-05-12 2022-07-15 安徽华能电缆集团有限公司 一种变频装置用耐高温抗弯曲耐磨卷筒扁电缆
CN115691884A (zh) * 2022-12-19 2023-02-03 江苏江扬特种电缆有限公司 一种新型防潮光伏电缆

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JP2010102851A (ja) * 2008-10-21 2010-05-06 Fujikura Ltd 平型ケーブル
CN203118538U (zh) * 2013-01-25 2013-08-07 安徽吉安特种线缆制造有限公司 钢铁厂用具有屏蔽耐高温的复合防溅扁电缆
CN206849561U (zh) * 2017-06-15 2018-01-05 江苏上上电缆集团有限公司 一种移动设备用抗拉型塑料控制电缆
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CN209591578U (zh) * 2019-03-13 2019-11-05 四川川东电缆有限责任公司 新型变频采煤机电缆
CN214796905U (zh) * 2021-05-21 2021-11-19 德汝电缆(上海)有限公司 一种扁平三合一的卷筒电缆
CN114758830A (zh) * 2022-05-12 2022-07-15 安徽华能电缆集团有限公司 一种变频装置用耐高温抗弯曲耐磨卷筒扁电缆

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010102851A (ja) * 2008-10-21 2010-05-06 Fujikura Ltd 平型ケーブル
CN201397696Y (zh) * 2009-04-10 2010-02-03 安徽天龙电器线缆集团有限公司 一种防水型动能控制复合扁电缆
CN203118538U (zh) * 2013-01-25 2013-08-07 安徽吉安特种线缆制造有限公司 钢铁厂用具有屏蔽耐高温的复合防溅扁电缆
CN206849561U (zh) * 2017-06-15 2018-01-05 江苏上上电缆集团有限公司 一种移动设备用抗拉型塑料控制电缆
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CN209591578U (zh) * 2019-03-13 2019-11-05 四川川东电缆有限责任公司 新型变频采煤机电缆
CN214796905U (zh) * 2021-05-21 2021-11-19 德汝电缆(上海)有限公司 一种扁平三合一的卷筒电缆
CN114758830A (zh) * 2022-05-12 2022-07-15 安徽华能电缆集团有限公司 一种变频装置用耐高温抗弯曲耐磨卷筒扁电缆

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ZA202305954B (en) 2024-01-31
CN114758830A (zh) 2022-07-15
LU504403B1 (en) 2023-12-01

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