CN210378540U

CN210378540U - Special cable for torsion-resistant and salt-fog-resistant wind power generation

Info

Publication number: CN210378540U
Application number: CN201921054938.6U
Authority: CN
Inventors: 钱永琴; 陈福坤; 万天宝; 盛金昌; 梅翠香; 胡士高
Original assignee: Yangzhou Suneng Cable Co ltd
Current assignee: Yangzhou Suneng Cable Co ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-04-21
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a special cable for resistant salt fog wind power generation of twisting in cable technical field, including the sinle silk conductor, the sinle silk conductor outside is provided with the insulating layer, just the inboard of sinle silk conductor is provided with the isolation layer, the insulating layer is located around the steel strand wires outside, the steel strand wires outside is provided with the polyester band, the sinle silk conductor outside is provided with the cotton band, the outside in cotton band is provided with the inner sheath, the outside of inner sheath is provided with the enhancement layer, the outside of enhancement layer is provided with the oversheath, the outside parcel of oversheath has the protective layer, the utility model has the multiple excellent performance of resistant twisting, resistant salt fog, fire prevention, tensile and bending, has improved the practicality of cable, has also improved the life of cable.

Description

Special cable for torsion-resistant and salt-fog-resistant wind power generation

Technical Field

The utility model relates to the technical field of cables, specifically be a special cable is used in resistant salt fog wind power generation of twisting.

Background

With the reduction of world coal, petroleum and other mineral energy sources and the enhancement of human environmental awareness, people are actively exploring the sustainable development of society by utilizing renewable energy sources. The wind power generation system is the most economic and applicable new energy which is developed fastest at present, green and environment-friendly, and has the advantages of wind power generation, rich wind energy reserves in China, wide distribution and wide market prospects for wind power development, meanwhile, the national wind power franchise demonstration project for promoting wind power development is implemented in China, the fan localization rate is not lower than 70%, and final assembly must be completed in China. The state provides a wind power total installation machine of 3000 ten thousand kW in 2020. However, from the current development speed, the installed capacity of wind power generation in China can far exceed the preset development plan of the country.

The wind energy cable is mainly used for connecting wires of fans, has a very severe use environment, and not only has excellent electrical performance and torsion resistance, but also has the characteristics of excellent wear resistance, cold resistance, oil resistance, water resistance, aging resistance, high waterproofness, moisture permeability, wind resistance, weather resistance, bacteria resistance, mildew resistance, environmental protection and the like. At present, most of flexible cables used in wind driven generators are common flexible cables, and the harsh requirements of the cable use environment cannot be completely met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special cable is used in resistant salt fog wind power generation of twisting to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special cable for resistant salt fog wind power generation of twisting, includes the sinle silk conductor, the sinle silk conductor outside is provided with the insulating layer, just the inboard of sinle silk conductor is provided with the isolation layer, the insulating layer is located around the steel strand wires outside, the steel strand wires outside is provided with the polyester band, the sinle silk conductor outside is provided with the cotton band, the outside in cotton band is provided with the inner sheath, the outside of inner sheath is provided with the enhancement layer, the outside of enhancement layer is provided with the oversheath, the outside parcel of oversheath has the protective layer.

Furthermore, the core conductors are stranded into cables in a concentric manner, and wrapping belts are filled between the core conductors.

Furthermore, the isolation layer is formed by weaving an insulating material made of rubber, and the reinforcing layer is formed by twisting thin steel wire bundles.

Further, the protective layer is a fireproof coating layer.

Further, a center layer is arranged in the core conductor and made of galvanized steel strands.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure, reasonable in design, the design of enhancement layer and isolation layer, the strengthening rib is adopted at the center, combines the isolation layer, guarantees that the cable is when bearing vertical pulling force, and the strengthening rib has the possibility of sliding, does not harm the insulating layer, and outer jacket, enhancement layer, interior sheath pass through rubber materials's adhesion, and cooperation processing technology forms composite construction, does not peel off the layering in the reciprocating motion of cable, and the setting of protective layer can improve the fire behavior and the salt spray resistance nature of cable, improves the life of cable.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a core conductor; 2. an insulating layer; 3. an isolation layer; 4. steel strand wires; 5. polyester wrapping tape; 6. A cotton cloth belting; 7. an inner sheath; 8. a reinforcing layer; 9. an outer sheath; 10. and a protective layer.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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, the present invention provides a technical solution: the utility model provides a special cable for resistant salt fog wind power generation of twisting, includes

sinle silk conductor

1, and 1 outside of sinle silk conductor is provided with insulating layer 2, and the inboard of sinle silk conductor 1 is provided with isolation layer 3, and insulating layer 2 is located around the 4 outsides of steel strand wires, 4 outsides of steel strand wires are provided with polyester band 5, and 1 outside of sinle silk conductor is provided with cotton band 6, and the outside of cotton band 6 is provided with inner sheath 7, and the outside of inner sheath 7 is provided with enhancement layer 8, and the outside of enhancement layer 8 is provided with oversheath 9, and inner sheath 7 and oversheath 9 adopt the sheath material that uses chloroprene rubber as the base material, and cooperation processing technology for form composite construction between inner sheath 7, oversheath 9 and the enhancement layer 8, and inner sheath 7 and oversheath 9 bond closely, do not peel off the layering in the reciprocating motion.

The core conductors 1 are stranded into cables in a concentric mode, and wrapping belts are filled between the core conductors 1.

The reinforcing layer 8 is arranged between the inner sheath 7 and the outer sheath 9, and the reinforcing layer 8 is woven by DuPont aramid fiber yarns.

The isolation layer 3 is woven for the insulating material of rubber material and forms, can guarantee the glide quality of strengthening rib when the atress, and the enhancement layer 8 adopts thin steel wire bundle to hank to form.

The protective layer 10 is a fireproof coating layer, is prepared by adding 4% of nanometer flame-retardant mother liquor into fireproof coating, can improve the salt fog resistance of the cable, and keeps the heat absorption effect and the fireproof performance of the fireproof coating.

The core conductor 1 is provided with a center layer, and the center layer is made of galvanized steel strands.

Example (b): conductor 1 adopts the conductor that accords with the standard, stranded conductor pitch reasonable control, guarantee the conductor when having good electrical property, certain compliance has, be convenient for install and lay, enhancement layer 8 adopts thin steel wire bundle hank to form, under the circumstances of guaranteeing tensile strength, increase the compliance, isolation layer 3 adopts the rubber materials who suits with insulating material operating temperature, and guarantee the sliding property of strengthening rib when the atress, the weaving layer of enhancement layer 8 is even, do not allow whole continuation to connect, allow the change line spindle on certain length, inner sheath 7 and oversheath 9 adopt the sheath material that uses chloroprene rubber as the base stock, through the selection of vulcanization system, cooperation processing technology, reach wear-resisting, low temperature resistant, resistant crooked performance requirement, protective layer 10 adds 4% nanometer fire-retardant mother liquor by fire-proof material, can improve the salt fog resistance of cable.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

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

1. The utility model provides a special cable for resistant salt fog wind power generation of twisting, includes sinle silk conductor (1), its characterized in that: the utility model discloses a cable core conductor, including sinle silk conductor (1), steel strand wires (4), polyester band (5) are provided with around insulating layer (2) are provided with in sinle silk conductor (1) outside, the inboard of sinle silk conductor (1) is provided with isolation layer (3), steel strand wires (4) outside is located in insulating layer (2), steel strand wires (4) outside is provided with polyester band (5), sinle silk conductor (1) outside is provided with cotton band (6), the outside in cotton band (6) is provided with inner sheath (7), the outside of inner sheath (7) is provided with enhancement layer (8), the outside of enhancement layer (8) is provided with oversheath (9), the outside parcel of oversheath (.

2. The special cable for the torsion-resistant and salt-fog-resistant wind power generation as claimed in claim 1, wherein: the cable core conductors (1) are stranded into a cable in a concentric mode, and wrapping belts are filled between the cable core conductors (1).

3. The special cable for the torsion-resistant and salt-fog-resistant wind power generation as claimed in claim 1, wherein: the reinforced layer (8) is arranged between the inner sheath (7) and the outer sheath (9), and the reinforced layer (8) is woven by DuPont aramid fiber yarns.

4. The special cable for the torsion-resistant and salt-fog-resistant wind power generation as claimed in claim 1, wherein: the isolation layer (3) is formed by weaving an insulating material made of rubber, and the reinforcing layer (8) is formed by twisting thin steel wire bundles.

5. The special cable for the torsion-resistant and salt-fog-resistant wind power generation as claimed in claim 1, wherein: the protective layer (10) is a fireproof coating layer.

6. The special cable for the torsion-resistant and salt-fog-resistant wind power generation as claimed in claim 1, wherein: the core conductor (1) is internally provided with a central layer, and the central layer is made of galvanized steel strands.