CN114582553B - Special low-inductance high-voltage coaxial cable - Google Patents
Special low-inductance high-voltage coaxial cable Download PDFInfo
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- CN114582553B CN114582553B CN202210362877.XA CN202210362877A CN114582553B CN 114582553 B CN114582553 B CN 114582553B CN 202210362877 A CN202210362877 A CN 202210362877A CN 114582553 B CN114582553 B CN 114582553B
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- braiding layer
- layer
- side wall
- braiding
- outer sheath
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- 238000009954 braiding Methods 0.000 claims abstract description 39
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 4
- 230000009970 fire resistant effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000010445 mica Substances 0.000 claims description 6
- 229910052618 mica group Inorganic materials 0.000 claims description 6
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 38
- 238000000034 method Methods 0.000 description 9
- 238000012856 packing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000009941 weaving Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 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
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- H01B7/1835—Sheaths comprising abrasive charges
-
- 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
- H01B7/1875—Multi-layer sheaths
-
- 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
- H01B7/24—Devices affording localised protection against mechanical force or pressure
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- 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
Landscapes
- Communication Cables (AREA)
Abstract
The invention relates to the technical field of cables and discloses a special low-inductance high-voltage coaxial cable which comprises a cable body, wherein the cable body comprises an inner core sleeve, a dielectric layer, an inner braiding layer, an outer braiding layer and an outer sheath, the inner core sleeve is fixedly arranged on the inner side wall of the inner braiding layer, the dielectric layer is fixedly arranged between the inner braiding layer and the outer braiding layer, the outer sheath is fixedly sleeved on the outer side wall of the outer braiding layer, the dielectric layer is made of polytetrafluoroethylene, and the inner braiding layer and the outer braiding layer are both made of silver-plated copper wires. The special low-inductance high-voltage coaxial cable is conductive through double-layer braiding, can meet the use requirements of direct-current high-pulse voltage or alternating-current high voltage, meets the use requirements of low-inductance performance indexes and the like in a high-frequency range, has good coaxial performance and excellent electromagnetic resistance, and is suitable for special military use.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a special low-inductance high-voltage coaxial cable.
Background
The cable is made of one or more conductors which are insulated with each other and an outer insulating protective layer, and is used for transmitting power or information from one place to another place, and the performance requirements on the cable are strict along with the severe application environment of the cable, like the inside of special military equipment, the requirements of the cable on the use requirements of direct-current high-pulse voltage or alternating-current high voltage and the performance indexes of low inductance in a high-frequency range are met.
At present, signal current and reflux on the coaxial cable can be equivalent to be overlapped geometrically, the area of the coaxial cable is 0, so that external electromagnetic interference can be well overcome, the coaxial cable is often used as a military special cable, the use effect is good, but in the actual use process, a cable core wire and an outer layer are not necessarily concentric, or in the use process, the core wire and the outer layer are not concentric due to the action of external force such as extrusion, so that the use effect of the cable is influenced, and therefore, the special low-inductance high-voltage coaxial cable is proposed.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the special low-inductance high-voltage coaxial cable provided by the invention has the advantages of being good in coaxial performance, excellent in external electromagnetic resistance and suitable for special military use, and solving the problem that the use effect of the cable is affected because a core wire and an outer layer of the cable are not necessarily concentric or are not concentric due to the action of external force such as extrusion in the use process, the core wire and the outer layer are not concentric due to the fact that the use requirement of direct-current high-pulse voltage or alternating-current high voltage is met and the use requirement such as performance index of low inductance is met in a high-frequency range.
(II) technical scheme
In order to realize the use requirements of direct current high pulse voltage or alternating current high voltage and low inductance performance indexes and the like in a high frequency range, the coaxial performance is good, the external electromagnetic resistance effect is excellent, and the coaxial cable is suitable for the purpose of special military use, the invention provides the following technical scheme: the special low-inductance high-voltage coaxial cable comprises a cable body, wherein the cable body comprises an inner core sleeve, a dielectric layer, an inner braiding layer, an outer braiding layer and an outer sheath, the inner core sleeve is fixedly arranged on the inner side wall of the inner braiding layer, the dielectric layer is fixedly arranged between the inner braiding layer and the outer braiding layer, the outer sheath is fixedly sleeved on the outer side wall of the outer braiding layer, the dielectric layer is made of polytetrafluoroethylene, and the inner braiding layer and the outer braiding layer are both braided by silver-plated copper wires.
Preferably, the outside cover of oversheath is equipped with a plurality of arcs and prevents pressing the cover, and is adjacent two the arc is prevented pressing the inner wall of cover and is fixedly connected with connecting strip jointly, every the connecting strip all with the lateral wall fixed connection of oversheath, a plurality of the arc is prevented pressing the cover and is made as an organic wholely, a plurality of the arc is prevented pressing the inside of cover and the position packing between the oversheath.
Preferably, the side wall of each connecting strip is fixedly inserted with a metal shaping strip.
Preferably, the inner core sheath is woven from glass fibers.
Preferably, the inner wall of each arc-shaped anti-pressing sleeve is fixedly connected with a V-shaped elastic strip, and one end, far away from the same side, of each V-shaped elastic strip, of each arc-shaped anti-pressing sleeve is fixedly connected with the outer side wall of the outer sheath.
Preferably, the thickness of the dielectric layer is set in the range of 0.05mm to 0.10 mm.
Preferably, the thickness of the inner braiding layer and the thickness of the outer braiding layer are both in the range of 1.50mm-2.50 mm.
Preferably, the inner wall of the outer sheath and the outer side wall of the outer braiding layer are connected with a puncture-proof film.
Preferably, the outer side wall of the outer sheath is fixedly wound and wrapped with a fire-resistant mica tape.
(III) beneficial effects
Compared with the prior art, the special low-inductance high-voltage coaxial cable provided by the invention has the following beneficial effects:
1. this special low inductance high voltage coaxial cable through the cable body that is equipped with, can regard as the cable conductor to use, through the inner core cover that is equipped with, the dielectric layer, interior weaving layer, outer weaving layer and oversheath mutually support, through inner core cover and double-deck weaving, can improve the inside compactness of cable body greatly, can be fixed through the weaving of double-deck weaving layer, improve the axiality between cable inner core and the oversheath greatly, can satisfy the user demand of direct current high pulse voltage, or alternating current high voltage, and satisfy the performance index etc. user demand of low inductance in the high frequency range, the axiality is good, anti electromagnetic effect is outstanding, and is applicable to special military use.
2. This special low inductance high voltage coaxial cable through the mutually supporting that a plurality of arcs that are equipped with prevent pressing cover, a plurality of connecting strips and packing, can improve cable self compressive strength greatly, receives the quick resilience of extrusion back and resumes, reduces the phenomenon that the cable axiality that outside collision force leads to is poor, through the anti-piercing film of society shaking, can improve the anti-piercing performance of oversheath, through the fire-resistant mica tape that is equipped with, can improve cable self fire resistance.
Drawings
Fig. 1 is a schematic diagram of a special low-inductance high-voltage coaxial cable according to the present invention;
fig. 2 is a schematic side view of the arc-shaped anti-compression sleeve in fig. 1 according to the present invention.
In the figure: the cable comprises a cable body 1, an inner core sleeve 2, a dielectric layer 3, an inner woven layer 4, an outer woven layer 5, an outer jacket 6, an arc-shaped pressure-proof sleeve 7, a connecting strip 8, a filler 9, a metal molding strip 10, a V-shaped elastic strip 11, a puncture-proof film 12 and a fire-resistant mica tape 13.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, the special low-inductance high-voltage coaxial cable comprises a cable body 1, wherein the cable body 1 comprises an inner core sleeve 2, a dielectric layer 3, an inner braid 4, an outer braid 5 and an outer sheath 6, the inner core sleeve 2 is fixedly arranged on the inner side wall of the inner braid 4, the dielectric layer 3 is fixedly arranged between the inner braid 4 and the outer braid 5, the outer sheath 6 is fixedly sleeved on the outer side wall of the outer braid 5, the dielectric layer 3 is made of polytetrafluoroethylene, and the inner braid 4 and the outer braid 5 are both made of silver-plated copper wires through braiding.
The outside cover of oversheath 6 is equipped with a plurality of arcs and prevents pressing cover 7, the inner wall of two adjacent arcs prevent pressing cover 7 is fixedly connected with connecting strip 8 jointly, every connecting strip 8 all with the lateral wall fixed connection of oversheath 6, a plurality of arcs prevent pressing cover 7 are made as an organic wholely, the inside of pressing cover 7 is prevented to a plurality of arcs and the position packing between the oversheath 6 has packing 9, press cover 7 to cooperate a plurality of connecting strips 8 through the arc, can protect the outside of oversheath 6, when receiving outside extrusion to collide, can prevent pressing cover 7 through the arc and cushion, and can resume fast through self elasticity at the follow-up, also can protect the impact force through packing 9, and packing 9 sets up to thermal insulation material, can improve the thermal insulation performance of cable body 1.
The side wall of each connecting strip 8 is fixedly inserted with a metal molding strip 10, when people bend the cable body 1, the instantaneous bending force is overlarge to cause the damage of an inner wire core, and after the completion, the cable body 1 can be kept in a good shape and has good stability through the metal molding strips 10.
The inner core sleeve 2 is made of glass fiber braiding.
The equal fixedly connected with V-arrangement elastic strip 11 of inner wall of cover 7 is prevented pressing by every arc, and the one end that the cover 7 was prevented pressing by every V-arrangement elastic strip 11 kept away from homonymy arc all with the lateral wall fixed connection of oversheath 6, through V-arrangement elastic strip 11, can improve the elasticity resilience performance of cover 7 self is prevented pressing by the arc.
The thickness of the dielectric layer 3 is set in the range of 0.05mm to 0.10 mm.
The thickness of the inner braiding layer 4 and the outer braiding layer 5 is 1.50mm-2.50 mm.
The inner wall of the outer sheath 6 and the outer side wall of the outer braid 5 are connected with a puncture-proof film 12 together, and the puncture-proof film 12 can reduce the puncture performance of the cable body 1.
The outer side wall of the outer sheath 6 is fixedly wound and wrapped with a fire-resistant mica tape 13, and the fire resistance of the cable body 1 can be improved through the fire-resistant mica tape 13.
In summary, when the special low-inductance high-voltage coaxial cable is used, the inner core of the cable body 1 can be provided with better strength and compactness through the inner core sleeve 2, the overall stability can be improved through the inner braiding layer 4, the dielectric layer 3 and the outer braiding layer 5 and the double-layer metal braiding, so that the formed cable body 1 is high in overall stability, good in coaxiality and strong in external electromagnetic interference resistance, the inner core of the cable body 1 is not easy to deviate, and the cable body can be used as a conducting layer by being matched with the dielectric layer 3, so that the use requirements of direct-current high-pulse voltage or alternating-current high voltage and the use requirements of low-inductance performance indexes and the like in a high-frequency range can be met.
It should be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a special low inductance high voltage coaxial cable, includes cable body (1), its characterized in that: the cable body (1) comprises an inner core sleeve (2), a dielectric layer (3), an inner braiding layer (4), an outer braiding layer (5) and an outer sheath (6), wherein the inner core sleeve (2) is fixedly arranged on the inner side wall of the inner braiding layer (4), the dielectric layer (3) is fixedly arranged between the inner braiding layer (4) and the outer braiding layer (5), the outer sheath (6) is fixedly sleeved on the outer side wall of the outer braiding layer (5), the dielectric layer (3) is made of polytetrafluoroethylene, and the inner braiding layer (4) and the outer braiding layer (5) are both made of silver-plated copper wires;
the outer side of the outer sheath (6) is sleeved with a plurality of arc-shaped anti-pressing sleeves (7), connecting strips (8) are fixedly connected to the inner walls of two adjacent arc-shaped anti-pressing sleeves (7) together, each connecting strip (8) is fixedly connected with the outer side wall of the outer sheath (6), the arc-shaped anti-pressing sleeves (7) are integrally manufactured, and a filler (9) is filled between the inner parts of the arc-shaped anti-pressing sleeves (7) and the outer sheath (6);
the side wall of each connecting strip (8) is fixedly inserted with a metal shaping strip (10);
the inner core sleeve (2) is made of glass fiber in a braiding way;
the inner wall of each arc-shaped anti-compression sleeve (7) is fixedly connected with a V-shaped elastic strip (11), and one end, far away from the same side, of each V-shaped elastic strip (11) is fixedly connected with the outer side wall of the outer sheath (6);
the thickness of the dielectric layer (3) is set within the range of 0.05mm-0.10 mm;
the thickness of the inner braiding layer (4) and the thickness of the outer braiding layer (5) are all in the range of 1.50mm-2.50 mm;
the inner wall of the outer sheath (6) and the outer side wall of the outer braiding layer (5) are connected with a puncture-proof film (12);
the outer side wall of the outer sheath (6) is fixedly wound and wrapped with a fire-resistant mica tape (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362877.XA CN114582553B (en) | 2022-04-07 | 2022-04-07 | Special low-inductance high-voltage coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210362877.XA CN114582553B (en) | 2022-04-07 | 2022-04-07 | Special low-inductance high-voltage coaxial cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114582553A CN114582553A (en) | 2022-06-03 |
| CN114582553B true CN114582553B (en) | 2023-11-10 |
Family
ID=81778746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210362877.XA Active CN114582553B (en) | 2022-04-07 | 2022-04-07 | Special low-inductance high-voltage coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114582553B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210296020U (en) * | 2019-10-15 | 2020-04-10 | 昆山频谱电子科技有限公司 | Flexible cable suitable for high-voltage device |
| CN111768908A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | High-compression-resistance flame-retardant high-temperature-resistant 5G cable |
| CN212624932U (en) * | 2020-08-24 | 2021-02-26 | 江苏中京电缆科技有限公司 | Extruded insulation low-voltage power cable |
| CN112951489A (en) * | 2021-02-23 | 2021-06-11 | 广东金贝尔通信科技有限公司 | Micropore insulation medium low-loss phase-stable cable |
| CN113270227A (en) * | 2021-04-14 | 2021-08-17 | 湖南湘江电缆有限公司 | Resistance to compression power cable and processingequipment thereof |
| CN214312706U (en) * | 2021-01-25 | 2021-09-28 | 湖南华菱线缆股份有限公司 | Prevent that puncture is removal type cable for coal mine |
| CN215450966U (en) * | 2021-08-04 | 2022-01-07 | 安徽尚纬电缆有限公司 | Halogen-free low-smoke low-toxicity flame-impact-resistant fire-resistant cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11250974B2 (en) * | 2020-06-28 | 2022-02-15 | Fractal, Inc. | Cable with aerogel dielectric |
-
2022
- 2022-04-07 CN CN202210362877.XA patent/CN114582553B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210296020U (en) * | 2019-10-15 | 2020-04-10 | 昆山频谱电子科技有限公司 | Flexible cable suitable for high-voltage device |
| CN111768908A (en) * | 2020-07-09 | 2020-10-13 | 安徽凌宇电缆科技有限公司 | High-compression-resistance flame-retardant high-temperature-resistant 5G cable |
| CN212624932U (en) * | 2020-08-24 | 2021-02-26 | 江苏中京电缆科技有限公司 | Extruded insulation low-voltage power cable |
| CN214312706U (en) * | 2021-01-25 | 2021-09-28 | 湖南华菱线缆股份有限公司 | Prevent that puncture is removal type cable for coal mine |
| CN112951489A (en) * | 2021-02-23 | 2021-06-11 | 广东金贝尔通信科技有限公司 | Micropore insulation medium low-loss phase-stable cable |
| CN113270227A (en) * | 2021-04-14 | 2021-08-17 | 湖南湘江电缆有限公司 | Resistance to compression power cable and processingequipment thereof |
| CN215450966U (en) * | 2021-08-04 | 2022-01-07 | 安徽尚纬电缆有限公司 | Halogen-free low-smoke low-toxicity flame-impact-resistant fire-resistant cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114582553A (en) | 2022-06-03 |
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Address after: 232008 No.6, Jixing Road, Huainan Economic and Technological Development Zone, Anhui Province Applicant after: Huainan Wenfeng Photoelectric Technology Co.,Ltd. Address before: 232008 No.6, Jixing Road, Huainan Economic and Technological Development Zone, Anhui Province Applicant before: HUAINAN WENFENG SPACE CABLE Co.,Ltd. |
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