CN208737912U - A kind of cable for wind power generation - Google Patents

Abstract

The utility model discloses a kind of cable for wind power generation, including oversheath, the oversheath is internally provided with lubricant layer, the lubricant layer is internally provided with inner sheath, the inner sheath is internally provided with enhancement layer, the enhancement layer is internally provided with the first insulating layer, first insulating layer is internally provided with damp-proof layer, the damp-proof layer is internally provided with three second insulating layers, the inside of three second insulating layers is provided with insulating layer, the insulating layer is internally provided with shielded layer, the utility model is provided with lubricant layer and enhancement layer, when cable is distorted, under the action of lubricant layer, only oversheath is distorted, and enhancement layer can offset a part and stretch drawing effect, reduce distortion power and drawing force that built-in electrical insulation core is born, improve the warp resistance and stretch resistance of cable, it improves and subtracts The small cable damage suffered in installation and transportation, improves the service life of cable.

Description

A kind of cable for wind power generation

Technical field

The utility model belongs to field of cable technology, and in particular to a kind of cable for wind power generation.

Background technique

Cable is exhausted by one or more to transmit electric (magnetic) energy, information and the wire product for realizing electromagnetic energy conversion Clad, total protective layer and the outer jacket that edge core and each may have, cable, which can also have, additional not to insulate Conductor, be used primarily in hair, match, is defeated, becoming, the forceful electric power electric energy transmission in power supply line, by electric current is big, voltage is high, processing Technique is mainly pressure processing, such as melting, calendering, drawing, twisted.

But cable currently on the market is often used the traditional cable of copper core polyvinyl chloride insulation and jacketed cable etc, and Wind-power electricity generation environment is more severe, and the time limit that blower uses also requires to grow very much, and cable is constantly rotated with blower at low temperature, and The generally existing warp resistance of traditional cable and draftability are poor, while low temperature resistivity is not strong, therefore cable relatively holds under wind-powered electricity generation environment Easy to damage, safety and reliability is low in use process, and service life is shorter, is unable to satisfy the severe ring of wind-power electricity generation Border.

Utility model content

The purpose of this utility model is to provide a kind of cable for wind power generation, mentioned above in the background art to solve Warp resistance and the problem that draftability is poor and low temperature resistivity is not strong.

To achieve the above object, the utility model provides the following technical solutions: a kind of cable for wind power generation, including outer shield Set, the oversheath are internally provided with lubricant layer, and the lubricant layer is internally provided with inner sheath, the inside of the inner sheath It is provided with enhancement layer, the enhancement layer is internally provided with the first insulating layer, and being internally provided with for first insulating layer is moisture-proof Layer, the damp-proof layer are internally provided with three second insulating layers, and the inside of three second insulating layers is provided with heat preservation Layer, the insulating layer are internally provided with shielded layer, and the shielded layer is internally provided with insulated wire cores, in the damp-proof layer Between be provided with wire sheathing at position, the wire sheathing is internally provided with strengthening core, the outer cover of the oversheath Equipped with installation part, the both ends of the installation part are mounted on connector, and the side of the connector is equipped with bolt.

Preferably, filled with heat preservation rubber mat in the insulating layer.

Preferably, three second insulating layers are tangent with wire sheathing.

Preferably, the insulated wire cores are that more copper wire are made by twisting.

Preferably, the surface of the wire sheathing is provided with Z-Correct bump mapping Z-correct.

Compared with prior art, the utility model has the beneficial effects that

(1) the utility model is provided with lubricant layer and enhancement layer, when cable is distorted, under the action of lubricant layer, Only oversheath is distorted, and enhancement layer can offset a part and stretch drawing effect, reduce the distortion that built-in electrical insulation core is born Power and drawing force improve the warp resistance and stretch resistance of cable, avoid the cable damage suffered in installation and transportation, Extend the service life of cable.

(2) the utility model the utility model be provided with insulating layer, due to cable for wind power generation working environment usually It is that at low ambient temperatures, the insulating layer of cable is filled with thermal insulation material at this time, external cold environment can be completely cut off to insulated wire cores Caused by irrecoverability damage, make insulated wire cores that can keep normal working condition at low ambient temperatures, ensure that cable Safety and reliability in use reduces the maintenance cost of cable in use.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the outside drawing of the utility model；

Fig. 3 is the enlarged drawing of the utility model a-quadrant；

In figure: 1- oversheath；2- lubricant layer；3- inner sheath；4- enhancement layer；The first insulating layer of 5-；6- damp-proof layer；7- Two insulating layers；8- insulated wire cores；9- insulating layer；10- shielded layer；11- installation part；12- connector；13- bolt；14- metal is compiled Tissue layer；15- strengthening core.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1-Fig. 3, the utility model provides the following technical solutions: a kind of cable for wind power generation, including Oversheath 1, oversheath 1 are internally provided with lubricant layer 2, play the role of lubrication, and lubricant layer 2 is internally provided with inner sheath 3, inner sheath 3 is internally provided with enhancement layer 4, plays the role of reduction insulated wire cores 8 and is stretched power, in lubricant layer 2 Under effect, when cable is distorted, only oversheath 1 is distorted, and inside does not stress, and enhancement layer 4 can offset a part Drawing force, enhancement layer 4 are internally provided with the first insulating layer 5, play the role of insulation, the inside setting of the first insulating layer 5 There is damp-proof layer 6, plays the role of preventing moisture from entering insulated wire cores 8, damp-proof layer 6 is internally provided with three second insulating layers 7, the inside of three second insulating layers 7 is provided with insulating layer 9, plays the role of heat preservation, the thermal insulation material in insulating layer 9 every The temperature of external environment and insulated wire cores 8 transmitting absolutely, insulating layer 9 are internally provided with shielded layer 10, play shielding electromagnetism The effect of signal, shielded layer 10 are internally provided with insulated wire cores 8, and the middle position of damp-proof layer 6 is provided with wire sheathing 14, wire sheathing 14 is internally provided with strengthening core 15, plays the role of support and stretch-proof, the outer cover of oversheath 1 Equipped with installation part 11, playing the role of installing cable, the both ends of installation part 11 are mounted on connector 12, and the one of connector 12 Side is equipped with bolt 13, plays the role of fixed installation part 12.

For the ease of being kept the temperature to insulated wire cores 8, in the present embodiment, it is preferred that filled with heat preservation glue in insulating layer 9 Felt.

Be circular structure to keep cable, in the present embodiment, it is preferred that three second insulating layers 7 with it is metal knitted Layer 14 is tangent.

In order to enhance the signal transmission capabilities of cable, in the present embodiment, it is preferred that insulated wire cores 8 are that more copper wire are twisted It is made.

In order to increase longitudinal pull-off force of cable, in the present embodiment, it is preferred that the surface of wire sheathing 14 is provided with recessed Burr reason.

Working principle: firstly, connector 12 is set in Exterior cable, then cable is fixed on using bolt 13 specified Position, after the installation is completed, when cable rotates at low ambient temperatures with blower, due to the effect of lubricant layer 2, only oversheath 1 As blower rotates, and the structure inside inner sheath 3 and inner sheath 3 all remain stationary motionless, increases the warp resistance of cable Property, meanwhile, enhancement layer 4 has shared draftability suffered by insulated wire cores 8, increases the stretch resistance of cable, and first is exhausted Edge layer 5, second insulating layer 7 and shielded layer 10 have completely cut off the interference that cable is subject in signal transmission, in addition, in insulating layer 9 The temperature that has completely cut off inside external environment and cable of thermal insulation material transmit, at this point, insulated wire cores 8 carry out the transmission of signal.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of cable for wind power generation, including oversheath (1), it is characterised in that: the oversheath (1) is internally provided with profit Slip layer (2), the lubricant layer (2) are internally provided with inner sheath (3), and the inner sheath (3) is internally provided with enhancement layer (4), the enhancement layer (4) is internally provided with the first insulating layer (5), and being internally provided with for first insulating layer (5) be moisture-proof Layer (6), the damp-proof layer (6) are internally provided with three second insulating layers (7), the inside of three second insulating layers (7) It is provided with insulating layer (9), the insulating layer (9) is internally provided with shielded layer (10), and the inside of the shielded layer (10) is set It is equipped with insulated wire cores (8), the middle position of the damp-proof layer (6) is provided with wire sheathing (14), the wire sheathing (14) outer cover of be internally provided with strengthening core (15), the oversheath (1) is equipped with installation part (11), the installation part (11) Both ends be mounted on connector (12), the side of the connector (12) is equipped with bolt (13).

2. a kind of cable for wind power generation according to claim 1, it is characterised in that: be filled in the insulating layer (9) Keep the temperature rubber mat.

3. a kind of cable for wind power generation according to claim 1, it is characterised in that: three second insulating layers (7) It is tangent with wire sheathing (14).

4. a kind of cable for wind power generation according to claim 1, it is characterised in that: the insulated wire cores (8) are more Copper wire is made by twisting.

5. a kind of cable for wind power generation according to claim 1, it is characterised in that: the table of the wire sheathing (14) Face is provided with Z-Correct bump mapping Z-correct.