CN103886936A - Frequency converter cable - Google Patents
Frequency converter cable Download PDFInfo
- Publication number
- CN103886936A CN103886936A CN201410067475.2A CN201410067475A CN103886936A CN 103886936 A CN103886936 A CN 103886936A CN 201410067475 A CN201410067475 A CN 201410067475A CN 103886936 A CN103886936 A CN 103886936A
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- insulating layer
- cable
- main
- sheath
- auxiliary
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Abstract
The invention relates to a frequency converter cable which comprises a main sheath, a shielding layer, main insulation layers, a main conductor, side sheaths, an auxiliary insulation layer and an auxiliary conductor. The sheath layer is sleeved with the main sheath, the main insulation layers are evenly and symmetrically distributed inside the shielding layer, the main insulation layers are wrapped on outer side of the main conductor to form a cable core body, three cable core bodies are stranded to form a cable core, and the side sheaths are evenly and symmetrically distributed in a seam between the shielding layer and the cable core. The side sheaths are wrapped on the outer side of the auxiliary conductor. The frequency converter cable has the advantages of being reasonable in structural design, low in manufacturing cost, long in service life and the like, can have a protective function on the inside of the cable so as to ensure normal work of a device, solves the problems that a traditional frequency converter cable is easily fractured and cracked, and prolongs the service life of the cable.
Description
Technical field
The present invention relates to a kind of cable, specifically a kind of converter cable.
Background technology
Wires and cables industry is the second largest industry that China is only second to automobile industry, and product variety meets rate and domestic market occupation rate all exceedes 90%.Worldwide, the Chinese electric wire gross output value has exceeded the U.S., becomes first electric wire producing country in the world.Be accompanied by Chinese wires and cables industry high speed development, creation of new enterprise quantity constantly rises, and industry overall technology level is largely increased.The structure of converter cable comprises three main line insulated wires, three zero line insulated wires; set gradually interior lapping layer, copper strips layer, outer lapping layer and external sheath layer outward at main line insulated wire and zero line insulated wire; form 3+3 core structure; make cable there is stronger proof voltage impact; pulse voltage can stand at a high speed frequent frequency conversion time, plays a good protection to frequency conversion electrical equipment.
But in daily use procedure, unavoidably can be by bending converter cable or dilatory, if things go on like this can make converter cable occur skin breakage or the fracture of cable inner conductor, especially zero line, itself is comparatively tiny, and do not take any safeguard procedures, in bending or dilatory for a long time process, very easily occur fracture having influence on the normal use of equipment.
Summary of the invention
It is a kind of reasonable in design, low cost of manufacture, long service life that technical problem to be solved by this invention is to provide, thereby can play a protective role and guarantee the cable of the normal work of equipment, i.e. a kind of converter cable cable inside.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of converter cable, comprises main sheath, screen, main insulating layer, leading body, side sheath, auxiliary insulating layer and auxiliary conductor, and described screen is sleeved on the inside of main sheath; Described main insulating layer is distributed in the inside of screen symmetrically, and the outside that described main insulating layer is wrapped in leading body forms core, forms cable core by stranded the forming of compenzine core, and described side sheath is distributed in the gap between screen and cable core symmetrically; Described auxiliary insulating layer respectively correspondence is arranged in side sheath, and described auxiliary insulating layer is wrapped in auxiliary conductor outside.Adopt side sheath to play the effect of protection to auxiliary insulating layer and auxiliary conductor, thereby effectively avoided rupturing because of cable bending or the dilatory auxiliary conductor that causes in routine use process, guaranteed the normal use of equipment.
Described side sheath ovalize structure, the medial surface of side sheath is mutually circumscribed with auxiliary insulating layer, and the lateral surface difference correspondence of side sheath is mutually circumscribed with the lateral surface of the medial surface of screen, main insulating layer.Utilize side sheath to fill up in the gap between screen and main insulating layer, can increase on the one hand the degree of packing of cable, also avoided on the other hand contacting between auxiliary insulating layer and screen, main insulating layer, effectively prevent because the auxiliary insulating layer that between auxiliary insulating layer and screen, main insulating layer, phase mutual friction causes breaks, thereby extend the life-span of auxiliary insulating layer, for the normal operation of equipment provides safeguard.
Described side sheath is made up of the elastomeric material of good toughness; even bending or drag cable in daily use procedure like this; only can produce extruding by offside sheath; and utilize the toughness of side sheath to play buffer protection function to auxiliary insulating layer and auxiliary conductor, can not produce destruction to auxiliary insulating layer and auxiliary conductor.
The invention has the beneficial effects as follows: the present invention has the advantages such as reasonable in design, low cost of manufacture and long service life; thereby can play a protective role and guarantee that equipment normally works cable inside; solve the easy fracture of traditional converter cable existence, the defect of breaking, extended the useful life of cable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is the structural representation of side sheath of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach object and effect is easy to understand, below the present invention is further set forth.
As shown in Figure 1 to Figure 2, a kind of converter cable, comprises main sheath 1, screen 2, main insulating layer 3, leading body 4, side sheath 5, auxiliary insulating layer 6 and auxiliary conductor 7, and described screen 2 is sleeved on the inside of main sheath 1; Described main insulating layer 3 is distributed in the inside of screen 2 symmetrically, the outside that described main insulating layer 3 is wrapped in leading body 4 forms core, form cable core by stranded the forming of compenzine core, described side sheath 5 is distributed in the gap between screen 2 and cable core symmetrically; Described auxiliary insulating layer 6 respectively correspondence is arranged in side sheath 5, and described auxiliary insulating layer 6 is wrapped in auxiliary conductor 7 outsides.Adopt side sheath 5 to play the effect of protection to auxiliary insulating layer 6 and auxiliary conductor 7, thereby effectively avoided in routine use process, because cable is bending or dilatoryly cause auxiliary conductor 7 to rupture, having guaranteed the normal use of equipment.
Described side sheath 5 ovalize structures, the medial surface of side sheath 5 is mutually circumscribed with auxiliary insulating layer 6, and the lateral surface difference correspondence of side sheath 5 is mutually circumscribed with the lateral surface of the medial surface of screen 2, main insulating layer 3.Utilize side sheath 5 to fill up in the gap between screen 2 and main insulating layer 3, can increase on the one hand the degree of packing of cable, also avoided on the other hand contacting between auxiliary insulating layer 6 and screen 2, main insulating layer 3, effectively prevent because the auxiliary insulating layer 6 that between auxiliary insulating layer 6 and screen 2, main insulating layer 3, phase mutual friction causes breaks, thereby extend the life-span of auxiliary insulating layer 6, for the normal operation of equipment provides safeguard.
Described side sheath 5 is made up of the elastomeric material of good toughness; even bending or drag cable in daily use procedure like this; only can produce extruding by offside sheath; and utilize the toughness of side sheath to play buffer protection function to auxiliary insulating layer and auxiliary conductor, can not produce destruction to auxiliary insulating layer 6 and auxiliary conductor 7.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what in above-described embodiment and specification, describe is principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (3)
1. a converter cable, comprises main sheath, screen, main insulating layer, leading body, side sheath, auxiliary insulating layer and auxiliary conductor, and described screen is sleeved on the inside of main sheath; Described main insulating layer is distributed in the inside of screen symmetrically, it is characterized in that: the outside that described main insulating layer is wrapped in leading body forms core, form cable core by stranded the forming of compenzine core, described side sheath is distributed in the gap between screen and cable core symmetrically; Described auxiliary insulating layer respectively correspondence is arranged in side sheath, and described auxiliary insulating layer is wrapped in auxiliary conductor outside.
2. a kind of converter cable according to claim 1, it is characterized in that: described side sheath ovalize structure, the medial surface of side sheath is mutually circumscribed with auxiliary insulating layer, and the lateral surface difference correspondence of side sheath is mutually circumscribed with the lateral surface of the medial surface of screen, main insulating layer.
3. a kind of converter cable according to claim 1 and 2, is characterized in that: described side sheath is made up of the elastomeric material of good toughness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067475.2A CN103886936A (en) | 2014-02-25 | 2014-02-25 | Frequency converter cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067475.2A CN103886936A (en) | 2014-02-25 | 2014-02-25 | Frequency converter cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103886936A true CN103886936A (en) | 2014-06-25 |
Family
ID=50955787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410067475.2A Pending CN103886936A (en) | 2014-02-25 | 2014-02-25 | Frequency converter cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103886936A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072073A (en) * | 1990-09-19 | 1991-12-10 | In-Situ, Inc. | Cable sealing method and apparatus |
| CN2757302Y (en) * | 2004-12-27 | 2006-02-08 | 江苏亨通电力电缆有限公司 | Power input cable of frequency variable motor |
| CN201477927U (en) * | 2009-09-08 | 2010-05-19 | 四川明星电缆股份有限公司 | Fireproof variable frequency cable with silicone rubber insulating and sheathing layers |
| CN203799692U (en) * | 2014-02-25 | 2014-08-27 | 安徽怡和电缆有限公司 | Frequency converter cable |
-
2014
- 2014-02-25 CN CN201410067475.2A patent/CN103886936A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5072073A (en) * | 1990-09-19 | 1991-12-10 | In-Situ, Inc. | Cable sealing method and apparatus |
| CN2757302Y (en) * | 2004-12-27 | 2006-02-08 | 江苏亨通电力电缆有限公司 | Power input cable of frequency variable motor |
| CN201477927U (en) * | 2009-09-08 | 2010-05-19 | 四川明星电缆股份有限公司 | Fireproof variable frequency cable with silicone rubber insulating and sheathing layers |
| CN203799692U (en) * | 2014-02-25 | 2014-08-27 | 安徽怡和电缆有限公司 | Frequency converter cable |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |