CN114596994A - High-voltage shielding flexible cable for laser shock - Google Patents
High-voltage shielding flexible cable for laser shock Download PDFInfo
- Publication number
- CN114596994A CN114596994A CN202210337906.7A CN202210337906A CN114596994A CN 114596994 A CN114596994 A CN 114596994A CN 202210337906 A CN202210337906 A CN 202210337906A CN 114596994 A CN114596994 A CN 114596994A
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- Prior art keywords
- layer
- shielding
- flexible cable
- laser shock
- voltage
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- 230000035939 shock Effects 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004020 conductor Substances 0.000 claims abstract description 16
- 230000004224 protection Effects 0.000 claims abstract description 13
- 239000011247 coating layer Substances 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 238000009941 weaving Methods 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 3
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 238000005452 bending Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 229920006342 thermoplastic vulcanizate Polymers 0.000 description 3
- 230000006750 UV protection Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/027—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of semi-conducting layers
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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
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- H01B7/17—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
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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
- H01B7/17—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
- H01B7/1835—Sheaths comprising abrasive charges
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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
- H01B7/17—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/022—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of longitudinal lapped tape-conductors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
- H01B9/024—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients composed of braided metal wire
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Insulated Conductors (AREA)
Abstract
The invention discloses a high-voltage shielding flexible cable for laser shock, which comprises a conductor wire core, wherein a coating layer formed by co-extruding an inner screen layer, an insulating layer and an outer screen layer is arranged on the surface of the conductor wire core, a first shielding layer is arranged on the surface of the coating layer, an inner protection layer is arranged on the surface of the first shielding layer, a second shielding layer is arranged on the surface of the inner protection layer, and an outer sheath is arranged on the surface of the second shielding layer. The high-voltage shielding flexible cable has the advantages that the shielding, insulation and reliable protection design is carried out on the cable core, the shielding effect is good, the insulation performance is good, the insulation and sheath materials have excellent low-temperature resistance, oil resistance and scratch and abrasion resistance, the high-power transmission and shielding are met, meanwhile, the high-voltage shielding flexible cable has certain flexibility, the tensile property, the bending property and the protection performance are good, the power transmission is stable, and the service life is long.
Description
Technical Field
The invention relates to the technical field of wires and cables, in particular to a high-voltage shielding flexible cable for laser shock.
Background
The cable for laser shock has special requirements on power, signal shielding, bending radius, tensile strength and the like. At present, a common high-voltage insulated power cable is generally compressed by 2 types of conductors, and a large section of the cable is divided into conductors and used for system electric energy transmission and distribution. However, the laser transmission power is high, the shielding requirement is high, the existing cable is difficult to meet the use requirement, and in addition, the overall wrapping thickness of the cable is thick due to the requirements of high voltage, large current, interference resistance, insulation and the like, so that the cable is very hard, the bending performance is low, and the use is limited.
Disclosure of Invention
Based on the above problems, the present invention aims to provide a high voltage shielding flexible cable for laser shock, which optimizes the internal cable structure and meets the requirements of high power, bending torsion and high shielding performance.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a laser shock is with high pressure shielding flexible cable, its includes the conductor sinle silk, and the surface of conductor sinle silk is provided with the coating of being formed by inner shield layer, insulating layer, outer screen layer three-layer crowded altogether, and the surface of coating is provided with first shielding layer, and the surface of first shielding layer is provided with interior sheath, and the surface of interior sheath is provided with the second shielding layer, and the surface of second shielding layer is provided with the oversheath.
Particularly, the conductor wire core is formed by reinforcing aramid fiber wires and stranding copper wires, and the cross-sectional area is 6-10 mm2。
Particularly, the inner screen layer in the coating layer is made of a semiconducting conductor shielding material, and the thickness of the inner screen layer is 1.0-2.0 mm; the insulating layer is made of high-pressure ethylene propylene rubber material, and the thickness of the insulating layer is 12-25 mm; the outer screen layer is made of a semiconductive insulating shielding material and is 1.0-1.5 mm thick.
Particularly, the first shielding layer is formed by weaving tinned copper wires, the weaving density is 80-85%, the wire diameter is 0.1-0.2 mm, and the weaving angle is 45-60 degrees.
Particularly, the inner protection layer is made of TPV (thermoplastic vulcanizate) materials, and the thickness of the inner protection layer is 1.0-2.0 mm.
Particularly, the second shielding layer is formed by wrapping a copper strip and/or weaving a copper wire, and is grounded.
Particularly, the outer sheath is made of TPU material, and the thickness of the outer sheath is 1.0-3.0 mm.
In particular, 4% of toughening wear-resistant master batch is added into the material of the outer sheath.
In conclusion, the high-voltage shielding flexible cable for laser shock has the beneficial effects that the high-voltage shielding flexible cable for laser shock carries out shielding, insulating and reliable protection design on the cable core, the shielding effect is good, the insulating property is good, the insulating and sheath materials have excellent low-temperature resistance, oil resistance and scratch and abrasion resistance, certain flexibility is realized while high-power transmission and shielding are met, the tensile property, the bending property and the protection property are good, the power transmission is stable, and the service life is long.
Drawings
Fig. 1 is a schematic structural diagram of a high-voltage shielded flexible cable for laser shock according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1, the preferred embodiment provides a high-voltage shielding flexible cable for laser shock, which includes a conductor core 1, a coating layer formed by co-extruding three layers, i.e., an inner shielding layer 2, an insulating layer 3, and an outer shielding layer 4, is disposed on a surface of the conductor core 1, a first shielding layer 5 is disposed on a surface of the coating layer, an inner shielding layer 6 is disposed on a surface of the first shielding layer 5, a second shielding layer 7 is disposed on a surface of the inner shielding layer 6, and an outer sheath 8 is disposed on a surface of the second shielding layer 7.
Wherein, the conductor with the integral structure has a cross-sectional area of 6-10 mm2The reinforced conductor wire core 1 is formed by reinforcing aramid fiber wires and twisting the aramid fiber wires and copper wires, so that the overall breaking force is ensured.
The inner screen layer 2 in the coating layer is preferably made of a semiconducting conductor shielding material, and the thickness of the inner screen layer is 1.0-2.0 mm; the insulating layer 3 is preferably made of high-pressure ethylene propylene rubber material, and the thickness is 12-25 mm; the outer screen layer 4 is preferably a semiconductive insulating shielding material, the thickness is 1.0-1.5 mm, and the high-voltage high-power transmission requirement is met and the insulating capability is fully ensured because the direct current of 250-300 kv is not broken down through a withstand voltage test.
The first shielding layer 5 is formed by weaving tinned copper wires, the weaving density is 80-85%, the wire diameter is 0.1-0.2 mm, and the weaving angle is 45-60 degrees.
The inner protective layer 6 is preferably made of TPV material, and the thickness is 1.0-2.0 mm.
The second shielding layer 7 preferably adopts a copper strip lapping and copper wire weaving form, is grounded and plays a role of a grounding wire core.
The two layers of metal shielding structures can effectively reduce an induction magnetic field, reduce electromagnetic interference and ensure stable transmission.
The outer sheath 8 is preferably made of TPU material, the thickness is 1.0-3.0 mm, and the effects of wear resistance, oil resistance and ultraviolet resistance are achieved. Furthermore, 4% of toughening wear-resistant master batch can be added into the TPU material so as to greatly improve the wear resistance and low-temperature resilience of the TPU and ensure the protection performance of the outer sheath 8.
In conclusion, the high-voltage shielding flexible cable for laser impact performs shielding, insulating and reliable protection design on the wire core, has good shielding effect and good insulating property, and the insulating and sheath materials have excellent low-temperature resistance, oil resistance and scratch and abrasion resistance, so that the high-voltage shielding flexible cable for laser impact has certain flexibility, good tensile property, bending property and protection property, stable power transmission and long service life while meeting the requirements of high-power transmission and shielding.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but is capable of various modifications and changes without departing from the spirit and scope of the invention, which are intended to be within the scope of the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a laser shock is with high pressure shielding flexible cable, a serial communication port, including the conductor sinle silk, the surface of conductor sinle silk is provided with the coating that is formed by inner shield layer, insulating layer, outer screen layer three-layer coextrusion, the surface of coating is provided with first shielding layer, the surface of first shielding layer is provided with interior sheath, the surface of interior sheath is provided with the second shielding layer, the surface of second shielding layer is provided with the oversheath.
2. The high-voltage shielded flexible cable for laser shock according to claim 1, wherein: the conductor wire core is formed by reinforcing aramid fiber wires and stranding copper wires, and the cross-sectional area is 6-10 mm2。
3. The high-voltage shielded flexible cable for laser shock according to claim 1, wherein: the inner screen layer in the coating layer is made of a semi-conductor shielding material and has the thickness of 1.0-2.0 mm; the insulating layer is made of high-pressure ethylene propylene rubber material, and the thickness of the insulating layer is 12-25 mm; the outer screen layer is made of a semiconductive insulating shielding material and is 1.0-1.5 mm thick.
4. The high-voltage shielded flexible cable for laser shock according to claim 1, wherein: the first shielding layer is formed by weaving tinned copper wires, the weaving density of the first shielding layer is 80-85%, the wire diameter is 0.1-0.2 mm, and the weaving angle is 45-60 degrees.
5. The high-voltage shielded flexible cable for laser shock according to claim 1, wherein: the inner protection layer is made of TPV materials, and the thickness of the inner protection layer is 1.0-2.0 mm.
6. The high-voltage shielded flexible cable for laser shock according to claim 1, wherein: the second shielding layer is formed by wrapping a copper strip and/or weaving a copper wire and is grounded.
7. The high-voltage shielded flexible cable for laser shock according to claim 1, wherein: the outer sheath is made of TPU materials, and the thickness of the outer sheath is 1.0-3.0 mm.
8. The high-voltage shielding flexible cable for laser shock according to claim 7, wherein: 4% of toughening wear-resistant master batch is added into the material of the outer sheath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210337906.7A CN114596994A (en) | 2022-03-31 | 2022-03-31 | High-voltage shielding flexible cable for laser shock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210337906.7A CN114596994A (en) | 2022-03-31 | 2022-03-31 | High-voltage shielding flexible cable for laser shock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114596994A true CN114596994A (en) | 2022-06-07 |
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ID=81820881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210337906.7A Pending CN114596994A (en) | 2022-03-31 | 2022-03-31 | High-voltage shielding flexible cable for laser shock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114596994A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765878U (en) * | 2010-08-06 | 2011-03-16 | 南昌安特电缆有限公司 | Double non-magnetic metal power cable with armored termite-proof sheath |
| CN102751034A (en) * | 2011-04-18 | 2012-10-24 | 扬州曙光电缆有限公司 | Novel composite-shielding high-voltage crosslinked polyethylene insulated power cable |
| CN104616797A (en) * | 2015-01-22 | 2015-05-13 | 安徽凌宇电缆科技有限公司 | Electric drill cable for low smoke halogen-free coal mine |
| CN204496968U (en) * | 2015-03-23 | 2015-07-22 | 常州船用电缆有限责任公司 | Single core 6.6kV naval vessel midium voltage cable |
| CN205406106U (en) * | 2016-03-01 | 2016-07-27 | 安徽新科电缆集团股份有限公司 | Middle and high voltage oil resistant rubber semiconduction shielded cable |
| CN206312615U (en) * | 2016-12-30 | 2017-07-07 | 江苏中煤电缆有限公司 | The compound naval vessel medium-pressure power cable of one kind control |
| CN110808117A (en) * | 2019-11-18 | 2020-02-18 | 湖南华菱线缆股份有限公司 | Nuclear power dragging wear-resistant cable |
-
2022
- 2022-03-31 CN CN202210337906.7A patent/CN114596994A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201765878U (en) * | 2010-08-06 | 2011-03-16 | 南昌安特电缆有限公司 | Double non-magnetic metal power cable with armored termite-proof sheath |
| CN102751034A (en) * | 2011-04-18 | 2012-10-24 | 扬州曙光电缆有限公司 | Novel composite-shielding high-voltage crosslinked polyethylene insulated power cable |
| CN104616797A (en) * | 2015-01-22 | 2015-05-13 | 安徽凌宇电缆科技有限公司 | Electric drill cable for low smoke halogen-free coal mine |
| CN204496968U (en) * | 2015-03-23 | 2015-07-22 | 常州船用电缆有限责任公司 | Single core 6.6kV naval vessel midium voltage cable |
| CN205406106U (en) * | 2016-03-01 | 2016-07-27 | 安徽新科电缆集团股份有限公司 | Middle and high voltage oil resistant rubber semiconduction shielded cable |
| CN206312615U (en) * | 2016-12-30 | 2017-07-07 | 江苏中煤电缆有限公司 | The compound naval vessel medium-pressure power cable of one kind control |
| CN110808117A (en) * | 2019-11-18 | 2020-02-18 | 湖南华菱线缆股份有限公司 | Nuclear power dragging wear-resistant cable |
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Application publication date: 20220607 |