CN213935692U - Novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable - Google Patents
Novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable Download PDFInfo
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- CN213935692U CN213935692U CN202023279074.3U CN202023279074U CN213935692U CN 213935692 U CN213935692 U CN 213935692U CN 202023279074 U CN202023279074 U CN 202023279074U CN 213935692 U CN213935692 U CN 213935692U
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Abstract
The utility model discloses a novel flexible anti nuclear electromagnetic interference special type of resistant crooked type is synthesized cable, including the inner conductor, the inner conductor outer wall is provided with the insulating layer, insulating layer outer wall is provided with the shielding layer, the shielding layer outside is provided with the inner sheath, inner sheath outer wall winding has slim non-woven fabrics around the covering, slim non-woven fabrics is provided with around the covering outer wall and synthesizes the shielding layer, it is provided with the oversheath to synthesize shielding layer outer wall surface, synthesize the shielding layer and adopt multilayer microporous membrane and tinned copper foil silk to weave and form, the utility model relates to a cable technology field. This novel flexible resistant crooked anti nuclear electromagnetic interference special type composite cable, the surface has fabulous non-stick nature and antipollution, and the manufacturing is easy, with low costs, has less insulating medium loss, and the cable can stand stronger withstand voltage impact resistance simultaneously, can stand high-speed, the pulse voltage when frequently changing frequency, can extensively be used for trades such as electric power, metallurgy, petrochemical industry, media.
Description
Technical Field
The utility model relates to the technical field of cables, specifically be a novel anti nuclear electromagnetic interference special type composite cable of soft resistant crooked type.
Background
With the application of electronic technology and computer information in the present society, the number of electric and electronic devices adopted in the system is greatly increased, the frequency band of the devices is gradually widened, the power is gradually increased, the sensitivity is improved, and cables for linking various devices are also more and more complicated, so the electromagnetic resistance and the pulse resistance of the cables are very important. In the electric power system, when the capacity of the power grid is increased and the transmission voltage is increased, relay protection, power grid control and communication equipment based on a computer and a microprocessor are widely adopted. A prerequisite for the cable to function properly is that it is able to withstand the extremely strong electromagnetic interference generated in the substation in normal operation or in case of an accident. In addition, since modern high-voltage switches are often integrated with electronic control and protection equipment, the equipment combining such strong and weak electric equipment needs to be tested not only for high voltage and large current, but also for electromagnetic compatibility. GIS isolating switches can generate pulse voltage with frequency up to several megahertz. The pulse voltage can not only endanger the insulation of equipment such as transformers and electrical appliances, but also be spread outwards through a grounding grid, and the normal work of relay protection and control equipment of a transformer substation is interfered.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model provides a novel flexible resistant anti nuclear electromagnetic interference special type composite cable of crooked type has solved current cable electromagnetic resistance and the not good problem of resistant pulse performance.
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a novel flexible anti nuclear electromagnetic interference special type of resistant crooked type is synthesized cable, includes the inner conductor, the inner conductor outer wall is provided with the insulating layer, insulating layer outer wall is provided with the shielding layer, the shielding layer outside is provided with the inner sheath, inner sheath outer wall winding has thin non-woven fabrics around the covering, thin non-woven fabrics is provided with around covering outer wall and synthesizes the shielding layer, it is provided with the oversheath to synthesize shielding layer outer wall surface.
Preferably, the comprehensive shielding layer is formed by weaving a plurality of layers of microporous films and tinned copper foil wires.
Preferably, the insulating layer is made of a fluorinated ethylene propylene material.
Preferably, the inner conductor is formed by stranding a plurality of strands of soft tinned conductor monomers.
Preferably, the inner sheath is made of a polyfluorinated ethylene propylene material.
Preferably, the outer sheath is made of a flame-retardant thermoplastic elastomer material.
Advantageous effects
The utility model provides a novel soft resistant anti nuclear electromagnetic interference special composite cable of crooked type. The method has the following beneficial effects:
(1) the novel flexible bending-resistant nuclear electromagnetic interference resistant special comprehensive cable is reasonable and simple in structure, easy to produce and manufacture and low in cost.
(2) The novel flexible bending-resistant nuclear electromagnetic interference resistant special comprehensive cable has the advantages of small insulating medium loss, good shielding performance and excellent thermal aging performance.
(3) This novel flexible anti nuclear electromagnetic interference special type composite cable of resistant crooked type, the cable can stand stronger withstand voltage impact nature, can stand high-speed, the pulse voltage when frequent frequency conversion.
(4) This novel flexible anti nuclear electromagnetic interference special type composite cable of resistant crooked type, cable structure is compact, round, and advantages such as security with electric safety can satisfy the anti electromagnetic pulse's of soft type performance requirement completely, can be used to trades such as electric power, metallurgy, petrochemical industry, media. The product is also more beneficial to environmental protection, can adapt to increasingly enhanced energy-saving consciousness and new legal regulations, and can be obviously applied more and more widely in the future.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the integrated shielding layer of the present invention.
In the figure: 1. an inner conductor; 2. an insulating layer; 3. a shielding layer; 4. an inner sheath; 5. a thin non-woven fabric wrapping layer; 6. a composite shielding layer; 61. a microporous membrane; 62. a microporous membrane; 7. an outer sheath.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a novel flexible resistant anti nuclear electromagnetic interference special type of crooked cable, includes inner conductor 1, and 1 outer wall of inner conductor is provided with insulating layer 2, and 2 outer walls of insulating layer are provided with shielding layer 3, and the 3 outsides of shielding layer are provided with inner sheath 4, and 4 outer wall windings of inner sheath have a slim non-woven fabrics around covering 5, and slim non-woven fabrics is provided with around covering 5 outer walls and synthesizes shielding layer 6, synthesizes 6 outer wall surfaces of shielding layer and is provided with oversheath 7.
Furthermore, the comprehensive shielding layer 6 is formed by weaving a plurality of microporous films 61 and tinned copper foil wires 62 in a weaving mode (microporous film → tinned copper foil wire → microporous film → tinned copper foil wire → microporous film), so that the cable has small insulating dielectric loss and good shielding performance and can withstand pulse voltage during high-speed and frequent frequency conversion.
Furthermore, the insulating layer 2 is made of a fluorinated ethylene propylene material, and has the characteristics of good insulating property, high breakdown voltage, large heat resistance index, strong insulating adhesion and the like.
Furthermore, the inner conductor 1 is formed by twisting a plurality of strands of soft tinned conductor monomers, the pitches are consistent, the conductivity is excellent, and the structure is soft.
Furthermore, the inner sheath 4 is made of a polyfluorinated ethylene propylene material, and has the advantages of large heat resistance index, small outer diameter and high breakdown voltage.
Furthermore, the outer sheath 7 is made of a flame-retardant thermoplastic elastomer material, has the tensile strength of 4-8 MPa, the fracture growth rate of 200-400%, excellent acid and alkali resistance, more excellent oil resistance, excellent weather resistance, ultraviolet resistance and other performances.
When the cable works, the inner conductor 1 is formed by twisting a plurality of strands of soft tinned conductor monomers, the pitch is kept consistent, the conductivity is superior, the cable structure is softer, the outer wall of the inner conductor 1 is provided with the insulating layer 2 made of fluorinated ethylene propylene material, the outer wall of the insulating layer 2 is provided with the shielding layer 3, the cable has smaller insulating medium loss and good shielding performance and has excellent thermal aging performance, the outer side of the shielding layer 3 is provided with the inner sheath 4 made of fluorinated ethylene propylene material, the outer wall of the inner sheath 4 is wound with the thin non-woven fabric wrapping layer 5, the outer wall of the non-woven fabric wrapping layer 5 is provided with the comprehensive shielding layer 6, the comprehensive shielding layer 6 is formed by weaving a plurality of layers of microporous films 61 and tinned copper wires 62 in a weaving mode (microporous film → tinned copper foil wire → microporous film → tinned wire → microporous film), therefore, the cable has smaller insulating dielectric loss and good shielding performance and can bear pulse voltage in high-speed and frequent frequency conversion, and the outer sheath 7 made of the flame-retardant thermoplastic elastomer material is arranged on the outer wall surface of the comprehensive shielding layer 6, so that the cable has other performances such as excellent acid and alkali resistance, more excellent oil resistance, excellent weather resistance, ultraviolet resistance and the like.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are 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. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a novel flexible resistant anti nuclear electromagnetic interference special type composite cable of crooked type, includes inner conductor (1), its characterized in that: inner conductor (1) outer wall is provided with insulating layer (2), insulating layer (2) outer wall is provided with shielding layer (3), shielding layer (3) outside is provided with inner sheath (4), inner sheath (4) outer wall winding has thin non-woven fabrics around covering (5), thin non-woven fabrics is provided with around covering (5) outer wall and synthesizes shielding layer (6), it is provided with oversheath (7) to synthesize shielding layer (6) outer wall surface.
2. The novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable according to claim 1, characterized in that: the comprehensive shielding layer (6) is formed by weaving a plurality of layers of microporous films (61) and tinned copper foil wires (62).
3. The novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable according to claim 1, characterized in that: the insulating layer (2) is made of a fluorinated ethylene propylene material.
4. The novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable according to claim 1, characterized in that: the inner conductor (1) is formed by stranding a plurality of strands of soft tinned conductor monomers.
5. The novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable according to claim 1, characterized in that: the inner sheath (4) is made of a polyfluorinated ethylene propylene material.
6. The novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable according to claim 1, characterized in that: the outer sheath (7) is made of flame-retardant thermoplastic elastomer materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023279074.3U CN213935692U (en) | 2020-12-30 | 2020-12-30 | Novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023279074.3U CN213935692U (en) | 2020-12-30 | 2020-12-30 | Novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213935692U true CN213935692U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023279074.3U Active CN213935692U (en) | 2020-12-30 | 2020-12-30 | Novel flexible bending-resistant nuclear electromagnetic interference resistant special composite cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213935692U (en) |
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2020
- 2020-12-30 CN CN202023279074.3U patent/CN213935692U/en active Active
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