CN101494095A - Mobile tensile type frequency-changing cable - Google Patents
Mobile tensile type frequency-changing cable Download PDFInfo
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- CN101494095A CN101494095A CNA2008101364936A CN200810136493A CN101494095A CN 101494095 A CN101494095 A CN 101494095A CN A2008101364936 A CNA2008101364936 A CN A2008101364936A CN 200810136493 A CN200810136493 A CN 200810136493A CN 101494095 A CN101494095 A CN 101494095A
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Abstract
The invention discloses a mobile tensile-resistance variable-frequency cable which comprises a plurality of composite conductors (1), an insulating layer (2) wrapping the surface of the composite conductors (1) as well as a sheath on the surface of the cable; the sheath can be divided into two layers, namely an inner sheath (7) and an outer sheath (9); and a steel wire-armored layer (8) is arranged between the inner sheath (7) and the outer sheath (9). With the adoption of the technical proposal, the mobile tensile-resistance variable-frequency cable can be used in mobile equipment and endure certain tension. The structure of the mobile tensile-resistance variable-frequency cable can protect variable-frequency electrical appliances well, thereby ensuring the reasonable structural design and good performance of the cable and meeting the requirements of variable-frequency cables used in mobile and tensile-resistance occasions.
Description
Technical field
The invention belongs to the technical field of power cable, specifically, the present invention relates to a kind of mobile tensile type frequency-changing cable.
Background technology
Frequency-changing cable is mainly used in the connection between variable frequency power supply and the variable-frequency motor.It has a series of advantage, as: the low transmission impedance, Electro Magnetic Compatibility is good, low mutual capacitance, good anti-interference and low radiance etc.
But this frequency-changing cable be because the restriction of conductor and insulation can not be used to have the equipment of movement requirement, and cable do not have the structure of force-extension, and slightly bigger pulling force just may damage cable.
Summary of the invention
Problem to be solved by this invention provides a kind of mobile tensile type frequency-changing cable, its objective is to make cable be applicable to mobile equipment, and can bear certain pulling force.
To achieve these goals, the overall technological scheme taked of the present invention is:
This moving tensile type frequency-changing cable provided by the present invention, comprise many composite conductors, be wrapped in the insulating barrier on the described composite conductor outer surface, and the apparent sheath of cable, it is characterized in that: described sheath is divided into two-layer, be inner sheath and oversheath, between described inner sheath and oversheath, be provided with the wire armoring layer.
For making the present invention more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present invention and creativeness:
Composite conductor of the present invention is that inner core is the thread synnema structure of annealed copper, and skin is the knitted conductor layer, and its structure is one or more layers shell-like tincopper fuse wire braided armor.
The outside of above-described composite conductor, the wrapped layer of non-woven fabric in the inside of insulating barrier.
On described insulating barrier outer surface, be provided with interior lapping layer, be wrapped on the described insulating barrier outer surface;
Provided with shielding layer on the lapping layer outer surface in of the present invention is wrapped on the described interior lapping layer outer surface, and described screen is copper wire braid or copper strips lapped shielding layer; Described copper strips can embossing or the version of non-embossing.
The material of insulating barrier of the present invention is a rubber, for example adopts ethylene-propylene rubber, and extrudes on composite conductor and vulcanize.
In the outside of described all composite conductors, the inside of inner sheath, the outer lapping layer of parcel one deck.
The material of outer lapping layer of the present invention is a polyester belt.
The material of lapping layer is a nonwoven fabrics in of the present invention.
In the space that between the inside of described inner sheath, each screen, forms, be provided with gasket for packing.
Inner sheath of the present invention is wrapped two-layer polyester belt.
The rubber of oversheath of the present invention for extruding and vulcanize with whole cable.
The present invention adopts technique scheme, the equipment that can make mobile tensile type frequency-changing cable be used to move, and can bear certain pulling force.This structure can play a good protection to frequency conversion electrical equipment.Can guarantee that like this construction of cable is reasonable in design, function admirable can also satisfy the mobile tensile occasion requirement of frequency-changing cable.
Description of drawings
Below expressed content of the accompanying drawing of this specification and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present invention.
Be labeled as among the figure:
1, composite conductor, 2, insulating barrier, 3, interior lapping layer, 4, screen, 5, gasket for packing, 6, outer lapping layer, 7, inner sheath, 8, the wire armoring layer, 9, oversheath, 10, nonwoven fabrics.
Embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and operation principle, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present invention, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.Figure notation behind each technical characterictic is consistent with the mark of accompanying drawing.
The structure of frequency-changing cable comprises three main line insulated wires, a zero line insulated wire, the of the present invention structure expressed as Fig. 1, the present invention is a kind of mobile tensile type frequency-changing cable, comprise many composite conductors 1, be wrapped in the insulating barrier 2 of described composite conductor 1 appearance, and the apparent sheath of cable.
Adopt the 5th class flexible conductor according to the GB/T3956-1997 regulation in conjunction with the actual conditions composite conductor, according to the conductor of standard application certain specification, and the radical of definite single line.
According to above-mentioned requirements copper cash is drawn into required specification, wire drawing is carried out on wire drawing machine and conductor 1 is annealed.The single line surface should smooth, no greasy dirt, cut etc.
In order to solve the problem that exists at the described present known technology of this specification background technology part and to overcome its defective, realize making cable be applicable to mobile equipment, and can bear the goal of the invention of certain pulling force, the technical scheme that the present invention takes is:
This moving tensile type frequency-changing cable provided by the present invention, described sheath is divided into two-layer, and promptly inner sheath 7 and oversheath 9 are provided with wire armoring layer 8 between described inner sheath 7 and oversheath 9.
The material of wire armoring layer 8 and structure: behind the wrapped two layers polyester band,, guarantee that cable has enough tensile strength, plays a good protection to frequency conversion electrical equipment again at its appearance wrapped wire armour 8.
Concrete exemplifying embodiment below the present invention also provides supplies those skilled in the art's reference when enforcement is of the present invention, selects for use:
Embodiment one:
Composite conductor 1 of the present invention is the thread synnema structure of annealed copper for inner core, and skin is the knitted conductor layer, and its structure is one or more layers shell-like tincopper fuse wire braided armor.
Embodiment two:
In the outside of described composite conductor 1, the wrapped layer of non-woven fabric 10 in inside of insulating barrier 2.Its effect is the corrosion that prevents insulation.
Embodiment three:
On insulating barrier 2 outer surfaces of the present invention, lapping layer 3 in being provided with is wrapped on described insulating barrier 2 outer surfaces;
Embodiment four:
Provided with shielding layer 4 on lapping layer 3 outer surfaces in of the present invention is wrapped on described interior lapping layer 3 outer surfaces.
Embodiment five:
The material of insulating barrier 2 of the present invention is a rubber, and extrudes on composite conductor 1 and vulcanize.
The material selection rubber of insulating barrier 2.In the mixing of rubber process, add vulcanizing agent etc., improve the performance of rubber.
Specifically, the material of insulating barrier 2 is an ethylene-propylene rubber, and extrudes on composite conductor 1 and vulcanize.
The material selection ethylene-propylene rubber of insulating barrier 2 (1035,1045 etc.), form by ethene, two kinds of monomer copolymerizations of propylene.In mixing ethylene-propylene rubber process, add vulcanizing agent etc., improve the performance of ethylene-propylene rubber.
Insulating barrier 2 is extruded on plastic extruding machine, to correctly select mould and extrusion temperature, hauling speed and screw speed must be worked good, and remain unchanged, feed rubber extruding machine, be extruded under the effect of screw rod on the composite conductor 1 ethylene-propylene rubber that mixes, directly vulcanize, adopt continuous vulcanization technology with high steam as heat transfer medium, vulcanize, must control sulfide stress well.
Embodiment six:
In the outside of all composite conductors 1 of the present invention, the inside of inner sheath 7, the outer lapping layer 6 of parcel one deck.
Embodiment seven:
The material of outer lapping layer 6 of the present invention is a nonwoven fabrics.
Wrapped layer of non-woven fabric outside insulated wire cores makes insulated wire cores be difficult for scattering when extruding sheath.And the influence of conductor reduced.
Embodiment eight:
The material of lapping layer 3 is a polyester belt in of the present invention.
Composite conductor 1 behind the synnema is answered lapping layer 3 in wrapped one deck, and its material is a polyester belt.The effect of interior lapping layer is when guaranteeing that screen 4 is wrapped, can not have influence on insulating barrier 2.
Embodiment nine:
The structure function of screen 4: adopt the shielding construction of copper wire braid or copper strips lapped shielding layer, formed totally-enclosed metal level like this, can reach effective function of shielding,
Embodiment ten:
In the space that between the inside of inner sheath 7 of the present invention, each composite conductor 1, forms, be provided with gasket for packing 5.
The effect of gasket for packing 5: during stranding, adopt the gasket for packing of non-absorbent material to be filled between the space that forms between each insulated wire cores, guarantee the rounding of cable, can also reduce air content.
Embodiment 11:
Embodiment 12:
The rubber of oversheath 9 of the present invention for extruding and vulcanize with whole cable.
Oversheath 9 extrude with vulcanize with the insulation identical.
Embodiment 13:
The overall structure of mobile tensile type frequency-changing cable provided by the invention is: lapping layer 3, screen 4, gasket for packing 5, outer lapping layer 6, inner sheath 7, wire armoring layer 8 and oversheath 9 in setting gradually outside main line insulated wire and zero line insulated wire, this structure can play a good protection to frequency conversion electrical equipment.Can guarantee that like this construction of cable is reasonable in design, function admirable can also satisfy the mobile tensile occasion requirement of frequency-changing cable.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1, a kind of mobile tensile type frequency-changing cable, comprise many composite conductors (1), be wrapped in the insulating barrier (2) of described composite conductor (1) outer surface, and the apparent sheath of cable, it is characterized in that: described sheath is divided into two-layer, be inner sheath (7) and oversheath (9), between described inner sheath (7) and oversheath (9), be provided with wire armoring layer (8).
2, according to the described mobile tensile type frequency-changing cable of claim 1, it is characterized in that: described composite conductor (1) is the thread synnema structure of annealed copper for inner core, and skin is the knitted conductor layer, and its structure is one or more layers shell-like tincopper fuse wire braided armor.
3, according to claim 1 or 2 described mobile tensile type frequency-changing cables, it is characterized in that: the wrapped layer of non-woven fabric in inside (10) of the outside of described composite conductor (1), insulating barrier (2).
4, according to claim 1 or 2 described mobile tensile type frequency-changing cables, it is characterized in that: on described insulating barrier (2) outer surface, be provided with interior lapping layer (3), be wrapped on described insulating barrier (2) outer surface.
5, according to the described mobile tensile type frequency-changing cable of claim 4, it is characterized in that: provided with shielding layer (4) on lapping layer (3) outer surface in described, be wrapped on described interior lapping layer (3) outer surface, described screen (4) is copper wire braid or copper strips lapped shielding layer; Described copper strips can embossing or non-embossing.
6, according to claim 1 or 2 described mobile tensile type frequency-changing cables, it is characterized in that: the material of described insulating barrier (2) is a rubber, and extrudes on composite conductor (1) and vulcanize.
7, according to claim 1 or 2 described mobile tensile type frequency-changing cables, it is characterized in that: in the outside of described all screens (4), the inside of inner sheath (7), the outer lapping layer (6) of parcel one deck.
8, according to the described mobile tensile type frequency-changing cable of claim 5, it is characterized in that: in the space that between the inside of described inner sheath (7), each screen (4), forms, be provided with gasket for packing (5).
9, according to claim 1 or 2 described mobile tensile type frequency-changing cables, it is characterized in that: described inner sheath (7) is wrapped two-layer polyester belt.
10, according to claim 1 or 2 described mobile tensile type frequency-changing cables, it is characterized in that: the rubber of described oversheath (9) for extruding and vulcanize with whole cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101364936A CN101494095B (en) | 2008-12-15 | 2008-12-15 | Mobile tensile type frequency-changing cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101364936A CN101494095B (en) | 2008-12-15 | 2008-12-15 | Mobile tensile type frequency-changing cable |
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| Publication Number | Publication Date |
|---|---|
| CN101494095A true CN101494095A (en) | 2009-07-29 |
| CN101494095B CN101494095B (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101364936A Active CN101494095B (en) | 2008-12-15 | 2008-12-15 | Mobile tensile type frequency-changing cable |
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| CN (1) | CN101494095B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789281A (en) * | 2009-11-13 | 2010-07-28 | 曹洪波 | Novel wind power cable |
| CN102280184A (en) * | 2011-07-27 | 2011-12-14 | 中国石油天然气股份有限公司 | Multifunctional compound testing cable |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201044189Y (en) * | 2006-12-11 | 2008-04-02 | 中国海洋石油总公司 | Multi-core high and low voltage mixture undersea cable |
| CN101071656A (en) * | 2007-05-10 | 2007-11-14 | 江苏远方电缆厂有限公司 | Frequency variable cable |
| CN201084490Y (en) * | 2007-08-28 | 2008-07-09 | 湖北鄂电萃宇电缆有限公司 | A special-purpose power cable for frequency-translation system |
| CN201084465Y (en) * | 2007-10-09 | 2008-07-09 | 扬州曙光电缆有限公司 | A frequency-translation cable |
| CN201298382Y (en) * | 2008-11-12 | 2009-08-26 | 安徽滨江电缆股份有限公司 | Movable stretch-proof type variable-frequency cable |
-
2008
- 2008-12-15 CN CN2008101364936A patent/CN101494095B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789281A (en) * | 2009-11-13 | 2010-07-28 | 曹洪波 | Novel wind power cable |
| CN102280184A (en) * | 2011-07-27 | 2011-12-14 | 中国石油天然气股份有限公司 | Multifunctional compound testing cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101494095B (en) | 2011-06-08 |
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Owner name: ZHONGTE HAXON CABLE CO., LTD. Free format text: FORMER OWNER: ANHUI BINJIANG CABLE CO., LTD. Effective date: 20120203 |
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Effective date of registration: 20120203 Address after: 241000 middle south of Jinshan Road, hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Zhongte Haxon Cable Co., Ltd. Address before: 241000 Jinshan Middle Road, hi tech Industry Development Zone, Yijiang District, Wuhu, Anhui Patentee before: Anhui Binjiang Cable Co., Ltd. |