CN217182493U

CN217182493U - Corrosion-resistant anti-aging winding lead wire of offshore wind turbine

Info

Publication number: CN217182493U
Application number: CN202123328567.6U
Authority: CN
Inventors: 谢枕毅; 谢国华; 陆和平
Original assignee: Jiangyin Heat Resistant Wire and Cable Factory Co Ltd
Current assignee: Jiangyin Heat Resistant Wire and Cable Factory Co Ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-08-12
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a corrosion-resistant anti-aging winding lead wire of an offshore wind driven generator, which comprises a cable; a rubber packaging head is arranged at one end of the cable, a wire core penetrates through the rubber packaging head and is connected with a winding lead connector, a heat-shrinkable sealing sleeve is sleeved on the outer side of one end, close to the winding lead connector, of the cable, an external connection terminal is installed at the other end of the cable through an external terminal connector, and a sealing cover is sleeved on the outer side of the cable at one end of the external connection terminal; the utility model discloses winding pin joint and external terminal have been set up at the both ends of cable to sealed pipe box of pyrocondensation and sealed lid have been suit in the outside of motor lead wire one end, the sealed pipe box of pyrocondensation slides to the winding pin joint outside, thereby form the parcel layer that a leakproofness is good, external terminal seals the junction through sealed lid when being connected to transmission equipment, the both ends junction not only can bear great power of dragging, and can effectually avoid the potential safety hazard that moist sea wind caused the junction.

Description

Corrosion-resistant anti-aging winding lead wire of offshore wind turbine

Technical Field

The utility model relates to a motor winding lead wire technical field specifically is a corrosion-resistant ageing resistance winding lead wire of offshore wind power generation machine.

Background

The motor winding refers to a winding arranged on a stator, namely a copper wire wound on the stator, the winding is a general name of a phase or a whole electromagnetic circuit formed by a plurality of coils or coil groups, and the copper wire of the motor winding needs to be connected with a lead wire to supply power by an external power supply.

The existing generator winding lead wire has the defects that:

1. the existing generator winding lead wire is ideal in use occasions, so that the lead wire and a winding copper wire connecting end and the lead wire and a power supply connecting end are only connected simply and have simple protection structures, the stability of the connecting position is poor, and the lead wire and the power supply connecting end are mainly protected by adopting simple insulating adhesive tape binding.

2. The cable in the existing generator winding lead wire is easy to corrode due to high temperature and alkaline substances in sea wind when being used for a long time in a sea air environment, so that the outer wrapping layer of the cable is cracked, and the ordinary cable is not provided with a corrosion-resistant layer and an anti-seepage layer, so that the cable can be rapidly aged when being used for a long time, and the circuit fault of a generator is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant ageing resistance winding lead wire of offshore wind power generation machine 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: an offshore wind turbine corrosion-resistant anti-aging winding lead wire comprises a cable; the cable comprises a central wire core, wherein a silicon rubber sleeve wraps the outer surface of the cable, a corrosion-resistant coating is coated on the outer surface of the silicon rubber sleeve, a rubber packaging head is arranged at one end of the cable, the wire core penetrates through the rubber packaging head and is connected with a winding lead connector, the winding lead connector is connected with an external wiring terminal through a conductive connecting rod, a conductive sleeve is arranged inside the winding lead connector, a heat-shrinkable sealing sleeve is sleeved on the outer side of one end, close to the winding lead connector, of the cable, an external wiring terminal is arranged at the other end of the cable through an external terminal connector and is electrically connected with the wire core, and a sealing cover is sleeved on the outer side of the cable at one end of the external wiring terminal;

the end of the sealing cover is provided with a sealing sleeve sleeved outside the external wiring terminal, the inner side of the port of the sealing sleeve is provided with a sealing ring tightly attached to the external wiring terminal, two side edges of the sealing sleeve are provided with mounting feet, and the mounting feet are internally provided with mounting bolts.

Preferably, the wire core is formed by twisting a plurality of groups of conductors, and a tensile core penetrating through the cable is arranged at the central position of the wire core.

Preferably, the adoption of sinle silk has the raw sticky tape around the covering around the mode parcel of package, and the raw sticky tape has the crosslinked polyethylene layer around the surface extrusion molding parcel of covering.

Preferably, the outer surface of the cross-linked polyethylene layer is wrapped with an aluminum foil, and an anti-permeation film is wrapped in an interlayer between the outer surface of the aluminum foil and the silicone rubber sleeve.

Preferably, the thermal shrinkage sealing pipe sleeve is sleeved on the outer surface of the cable through a lantern ring, a fixing bolt is installed on the outer side of the lantern ring, and a screw hole matched with the fixing bolt is formed in the side face of the rubber packaging head.

Preferably, the central position inside the rubber packaging head is provided with a copper sleeve wrapped outside the wire core, and the copper sleeve is connected with the conductive connecting rod in a welding mode through a welding sheet.

Preferably, the inner side of the sealing cover is provided with a mounting ring, the mounting ring is sleeved on the outer side of the outer terminal connector, and the mounting ring is fixedly mounted through the external threads on the outer surface of the outer terminal connector.

Preferably, one end of the external wiring terminal close to the external terminal connector is provided with a limiting protective sleeve, and power supply connection inserted rods are uniformly distributed on the end head of the external wiring terminal along the circumference.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model is provided with a winding lead connector and an external connection terminal at the two ends of the cable respectively, and the outer side of one end of the motor lead is sleeved with a heat-shrinkable sealing pipe sleeve and a sealing cover, when in connection, a copper wire on the generator winding can pass through the conductive sleeve of the winding lead connector and is wound on the outer surface of the conductive connecting rod, then the heat-shrinkable sealing pipe sleeve slides to the outer side of the winding lead connector, the heat-shrinkable sealing pipe sleeve is tightly wrapped on the outer surface of the winding lead connector connected with the winding copper wire in a heating mode, thereby form the parcel layer that a leakproofness is good, the external connection terminal seals the junction through sealed lid when being connected to transmission equipment, and the leakproofness in connection space can be guaranteed to the sealing ring, and the both ends junction not only can bear great power of dragging, and can effectually avoid the potential safety hazard that moist sea wind caused the junction.

2. The utility model discloses the cable adopts silicon rubber sleeve cooperation crosslinked polyethylene layer to protect the sinle silk, can guarantee the insulating high temperature resistant effect of cable, and the corrosion-resistant coating and the prevention of seepage that the surface set up pass through the rete and can guarantee the corrosion resistance and the prevention of seepage of cable and pass through the effect to slow down its ageing speed, guarantee the life of the inside protective layer of cable.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the outer surface of the present invention;

fig. 3 is a schematic cross-sectional view of the cable of fig. 1 according to the present invention;

fig. 4 is a schematic structural view of the external connection terminal of fig. 1 according to the present invention.

In the figure: 1. a cable; 2. heat-shrinkable sealing pipe sleeves; 201. a collar; 202. fixing the bolt; 3. a rubber encapsulation head; 301. a screw hole; 302. a copper sleeve; 4. a winding lead connector; 401. a conductive link; 402. welding the sheet; 403. a conductive sleeve; 5. a wire core; 6. a sealing cover; 601. a seal ring; 602. a mounting ring; 603. a sealing sleeve; 604. mounting a foot; 605. installing a bolt; 7. an outer terminal connector; 701. an external thread; 8. an external connection terminal; 801. a limiting protective sleeve; 802. the power supply is connected with the inserted rod; 9. a silicone rubber sleeve; 901. a corrosion-resistant coating; 10. an anti-permeation membrane; 11. aluminum foil; 12. a crosslinked polyethylene layer; 13. a raw adhesive tape wrapping layer; 14. and (4) resisting a tensile core.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an offshore wind turbine corrosion-resistant anti-aging winding lead wire comprises a cable 1; the cable 1 comprises a central wire core 5, the outer surface of the cable 1 is wrapped by a silicone rubber sleeve 9, the outer surface of the silicone rubber sleeve 9 is coated with a corrosion-resistant coating 901, one end of the cable 1 is provided with a rubber encapsulation head 3, the wire core 5 penetrates through the rubber encapsulation head 3 and is connected with a winding lead connector 4, the winding lead connector 4 is connected with an external wiring terminal 8 through a conductive connecting rod 401, a conductive sleeve 403 is arranged inside the winding lead connector 4, the outer side of the cable 1, which is close to one end of the winding lead connector 4, is sleeved with a thermal shrinkage sealing pipe sleeve 2, the other end of the cable 1 is provided with an external wiring terminal 8 through an external terminal connector 7, the external wiring terminal 8 is electrically connected with the wire core 5, and the outer side of the cable 1, which is arranged at one end of the external wiring terminal 8, is sleeved with a sealing cover 6;

the end of the sealing cover 6 is provided with a sealing sleeve 603 sleeved outside the external wiring terminal 8, the inner side of the port of the sealing sleeve 603 is provided with a sealing ring 601 tightly attached to the external wiring terminal 8, two side edges of the sealing sleeve 603 are provided with mounting feet 604, and mounting bolts 605 are mounted inside the mounting feet 604;

specifically, the wire core 5 can transmit electric energy, the silicone rubber sleeve 9 can ensure the insulation effect of the cable 1, the corrosion-resistant coating 901 is formed by spraying inorganic corrosion-resistant paint, so that the corrosion-resistant effect can be achieved, and the rubber sealing head 3 is suitable for being used in a sea air environment, so that the winding lead connector 4 can be fixedly connected with a winding copper wire, the copper wire penetrating through a conductive sleeve 403 in the winding lead connector 4 can be wound on the outer surface of a conductive connecting rod 401, then the heat-shrinkable sealing pipe sleeve 2 is moved to a joint for heat-shrinkable treatment, so that the joint is tightly wrapped, the external wiring terminal 8 can be electrically connected with the cable 1 through the external terminal connector 7, when the external wiring terminal 8 is connected with an external device, the sealing cover 6 is rotated towards the end to be fixedly connected with the external terminal connector 7, sealing sleeve 603 can seal the junction of external connection terminal 8, and sealing ring 601 can seal the space of junction, and installation foot 604 can be through construction bolt 605 fixed mounting on external connection equipment to guarantee the fastness of being connected of external connection terminal 8 and external equipment.

Further, the wire core 5 is formed by twisting a plurality of groups of conductors, and a tensile core 14 penetrating through the cable 1 is arranged at the center of the wire core 5;

specifically, the softness of the whole cable 1 can be guaranteed by the cable core 5 formed by twisting a plurality of groups of conductors, and the tensile strength of the cable 1 can be increased by the tensile core 14.

Further, the wire core 5 is wrapped with a raw adhesive tape wrapping layer 13 in a wrapping manner, and the outer surface of the raw adhesive tape wrapping layer 13 is wrapped with a cross-linked polyethylene layer 12 in an extrusion molding manner;

specifically, the raw adhesive tape can ensure the tightness of the wire core 5 around the covering 13, and is convenient for the extrusion molding wrapping of the crosslinked polyethylene layer 12.

Further, the outer surface of the cross-linked polyethylene layer 12 is wrapped with an aluminum foil 11, and an impermeable film 10 is wrapped in an interlayer between the outer surface of the aluminum foil 11 and the silicon rubber sleeve 9;

specifically, the aluminum foil 11 can play a role in shielding electromagnetic signals, so that the anti-interference performance of the cable 1 is ensured, and the anti-permeation film 10 can play a role in preventing permeation when the external silicone rubber sleeve 9 cracks.

Further, the heat-shrinkable sealing pipe sleeve 2 is sleeved on the outer surface of the cable 1 through a sleeve ring 201, a fixing bolt 202 is installed on the outer side of the sleeve ring 201, and a screw hole 301 matched with the fixing bolt 202 is formed in the side surface of the rubber packaging head 3;

specifically, lantern ring 201 is convenient for pyrocondensation sealing pipe sleeve 2 suit at the surface of cable 1, and carries out fixed connection through fixing bolt 202 and rubber encapsulation head 3 when pyrocondensation sealing pipe sleeve 2 wraps up in winding lead connector 4 surface to guarantee the fastness of pyrocondensation sealing pipe sleeve 2 installation.

Further, a copper sleeve 302 wrapping the outer side of the wire core 5 is arranged at the central position inside the rubber packaging head 3, and the copper sleeve 302 is connected with the conductive connecting rod 401 through a welding sheet 402 in a welding mode;

specifically, the copper sleeve 302 can ensure that the wire core 5 is tightly wrapped in the rubber packaging head 3, and facilitates the fixed connection of the wire core 5 and the conductive connecting rod 401 through the welding sheet 402.

Further, the inner side of the sealing cover 6 is provided with a mounting ring 602, the mounting ring 602 is sleeved on the outer side of the outer terminal connector 7, and the mounting ring 602 is fixedly mounted through an external thread 701 on the outer surface of the outer terminal connector 7;

specifically, the mounting ring 602 may be sleeved on the external thread 701 on the outer surface of the outer terminal connector 7, so as to facilitate the sealing cover 6 to be mounted on the outer terminal connector 7 in a rotating manner.

Furthermore, one end of the external wiring terminal 8 close to the external terminal connector 7 is provided with a limiting protective sleeve 801, and power supply connection inserted rods 802 are uniformly distributed on the end head of the external wiring terminal 8 along the circumference;

specifically, the limiting protection sleeve 801 can limit the installation position of the installation ring 602, and can protect the external wiring terminal 8, and the power connection insertion rod 802 can facilitate the electrical connection between the external wiring terminal 8 and the external device.

The working principle is as follows: during installation, a winding copper wire penetrates through a conductive sleeve 403 in a winding lead connector 4 and is wound on the outer surface of a conductive connecting rod 401, then a heat-shrinkable sealing pipe sleeve 2 is moved to a joint for heat-shrinkable treatment, so that the joint is tightly wrapped and is fixed through a fixing bolt 202, then a cable 1 is fixedly connected with external wind power generation equipment through an external wiring terminal 8, when the external wiring terminal 8 is connected with external equipment, a sealing cover 6 is rotated towards the end head and is further fixedly connected with an external terminal connector 7, the sealing sleeve 603 can seal the joint of the external wiring terminal 8, a sealing ring 601 can seal a gap at the joint, a mounting foot 604 can be fixedly installed on the external equipment through a mounting bolt 605, and therefore the firmness of connection between the external wiring terminal 8 and the external equipment is guaranteed;

during the use, sinle silk 5 can transmit the electric energy, the insulating effect of cable 1 can be guaranteed to silicone rubber cover 9, corrosion resistant coating 901 adopts the spraying of inorganic anticorrosive coating to form, can play corrosion-resistant effect, be applicable to and use in the ocean air environment, the rubber encapsulation head 3 is convenient for winding lead connector 4's fixed connection, external connection terminal 8 can carry out electric connection with cable 1 through outer terminal connector 7, and then guarantee the normal transport of electric energy, prevention of seepage membrane 10 can play the effect that the prevention of seepage was passed through, and then slow down the speed that the lead wire is ageing when using under the ocean air environment.

The details of the present invention are well known to those skilled in the art.

Finally, it is to be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified and replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. An offshore wind turbine corrosion-resistant anti-aging winding lead wire comprises a cable (1); the method is characterized in that: the cable (1) comprises a wire core (5) at the center, the outer surface of the cable (1) is wrapped by a silicone rubber sleeve (9), the outer surface of the silicone rubber sleeve (9) is coated with a corrosion-resistant coating (901), one end of the cable (1) is provided with a rubber packaging head (3), the wire core (5) penetrates through the rubber packaging head (3) to be connected with a winding lead connector (4), the winding lead connector (4) is connected with an external wiring terminal (8) through a conductive connecting rod (401), a conductive sleeve (403) is arranged inside the winding lead connector (4), the outer side of one end, close to the winding lead connector (4), of the cable (1) is sleeved with a thermal shrinkage sealing pipe sleeve (2), the other end of the cable (1) is provided with the external wiring terminal (8) through an external terminal connector (7), and the external wiring terminal (8) is electrically connected with the wire core (5), a sealing cover (6) is sleeved on the outer side of the cable (1) at one end of the external wiring terminal (8);

the end of sealed lid (6) is equipped with sealed sleeve (603) of suit in outer binding post (8) outside, the inboard of sealed sleeve (603) port is equipped with sealing ring (601) of closely laminating with outer binding post (8), the both sides limit of sealed sleeve (603) is equipped with installation foot (604), and the internally mounted of installation foot (604) has mounting bolt (605).

2. The offshore wind turbine corrosion-resistant anti-aging winding lead wire as recited in claim 1, wherein: the cable core (5) is formed by twisting a plurality of groups of conductors, and a tensile core (14) penetrating through the cable (1) is arranged at the central position of the cable core (5).

3. The offshore wind turbine corrosion-resistant anti-aging winding lead wire of claim 1, characterized in that: the adoption of sinle silk (5) has raw sticky tape around covering (13) around the mode parcel of package, and raw sticky tape around the surface extrusion molding parcel of covering (13) have crosslinked polyethylene layer (12).

4. The offshore wind turbine corrosion-resistant anti-aging winding lead wire as recited in claim 3, wherein: the outer surface of the cross-linked polyethylene layer (12) is wrapped with an aluminum foil (11), and an anti-seepage film (10) is wrapped in an interlayer between the outer surface of the aluminum foil (11) and the silicone rubber sleeve (9).

5. The offshore wind turbine corrosion-resistant anti-aging winding lead wire as recited in claim 1, wherein: the outer surface of cable (1) is suit in pyrocondensation sealing tube cover (2) through lantern ring (201), and fixing bolt (202) are installed in the outside of lantern ring (201), the side of rubber encapsulation head (3) is equipped with screw (301) that use with fixing bolt (202) cooperation.

6. The offshore wind turbine corrosion-resistant anti-aging winding lead wire as recited in claim 1, wherein: the center position of the inside of the rubber packaging head (3) is provided with a copper sleeve (302) wrapped on the outer side of the wire core (5), and the copper sleeve (302) is connected with the conductive connecting rod (401) in a welding mode through a welding sheet (402).

7. The offshore wind turbine corrosion-resistant anti-aging winding lead wire of claim 1, characterized in that: the inboard of sealed lid (6) is equipped with collar (602), and collar (602) suit is in the outside of outer terminal connector (7), collar (602) is through external screw thread (701) fixed mounting of outer terminal connector (7) surface.

8. The offshore wind turbine corrosion-resistant anti-aging winding lead wire as recited in claim 1, wherein: one end of the external wiring terminal (8) close to the outer terminal connector (7) is provided with a limiting protective sleeve (801), and power supply connection inserted rods (802) are uniformly distributed on the end of the external wiring terminal (8) along the circumference.