Novel transposed conductor for wind power transformer

Abstract

The utility model discloses a novel transposed conductor for a wind power transformer, which comprises a plurality of conductor bodies and two insulating wrapping tapes, the two insulating wrapping tapes are respectively sleeved at two end parts of the plurality of conductor bodies, two separating ribs are arranged in each insulating wrapping tape, a plurality of isolating bars are arranged on the inner walls of the two insulating wrapping tapes, and the insulating wrapping tapes are respectively sleeved at two ends of the plurality of conductor bodies. Insulating layers are arranged on the outer surfaces of the multiple wire bodies, waterproof layers are arranged in the multiple wire bodies, separation ribs, isolation strips, waterproof layers, flame-retardant layers, arc-shaped ribs, sound absorption layers and sealing layers are arranged, the separation ribs and the isolation strips are distributed on the inner surface of an insulating wrapping tape respectively, the multiple isolation strips can separate the multiple wire bodies, and the multiple wire bodies can be separated from each other through the waterproof layers, the flame-retardant layers, the arc-shaped ribs, the sound absorption layers and the sealing layers. And the arc-shaped ribs are made of steel and iron materials, are relatively high in hardness and are distributed in the filling layer, so that the binding stability of the plurality of lead bodies by the insulating wrapping tape is also improved as the arc-shaped ribs are made of steel and iron materials, and the hardness of the arc-shaped ribs is relatively high.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power transformers, in particular to a novel transposed conductor for a wind power transformer. Background Art

[0002] The new transposed conductor for wind power transformer is a special winding wire, which is designed and applied to improve the efficiency and performance of the transformer. The transposed conductor is composed of a certain number of insulated flat wires arranged in two columns, continuously woven through a special process, and wrapped with specific insulating materials. The conductor is twisted in a transposed manner in structure, so that the insulated flat wires are involved in the twisting, thus forming a special form of twisted wire.

[0003] A new type of transposed conductor for wind power transformers is disclosed in the patent with publication number CN217157778U, including a conductor body, in which a plurality of partitions are staggered, and the partitions divide the interior of the conductor body into an upper half and a lower half. The upper half is arranged in a trapezoidal shape and a group of copper flat wires are arranged inside, and the lower half is arranged in a plurality of conductor troughs.

[0004] In the above technology, multiple protective layers are arranged from the inside to the outside and several groups of filling layers are added, so that the structure inside the conductor body is more stable. Although the deformation resistance of the transposed conductor is enhanced, the sealing is poor, and the number of transposed conductors is large. If the waterproof and flame retardant properties are not improved, multiple transposed conductors will be collectively damp and burned, so innovation is made in this technology. Utility Model Content

[0005] The utility model aims to provide a new type of transposed conductor for a wind power transformer to solve the problems of poor sealing performance and a large number of transposed conductors in the above-mentioned background technology, and that if waterproofing and flame retardancy are not improved, multiple transposed conductors will be collectively dampened and burned.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of transposed conductor for a wind power transformer, comprising a plurality of conductor bodies and two insulating tapes, the two insulating tapes are respectively sleeved on the two end portions of the plurality of conductor bodies, two dividing ribs are arranged inside the two insulating tapes, a plurality of isolation strips are arranged on the inner walls of the two insulating tapes, an insulating layer is arranged on the outer surfaces of the plurality of conductor bodies, a waterproof layer is arranged inside the plurality of conductor bodies, a flame retardant layer is arranged inside the plurality of conductor bodies, a sound absorbing layer is arranged inside the plurality of conductor bodies, and a sealing layer is arranged inside the plurality of conductor bodies.

[0007] As a preferred technical solution of the utility model, a first pressure-resistant layer is provided inside the two insulating tapes, and a filling layer is provided inside the two insulating tapes.

[0008] As a preferred technical solution of the utility model, a plurality of arcuate ribs are arranged inside the two filling layers, and the positions where the plurality of arcuate ribs are arranged are arranged at equal intervals.

[0009] As a preferred technical solution of the utility model, one end of the plurality of isolation strips is respectively fixedly connected to two sides of four separation ribs, and the plurality of isolation strips are respectively arranged outside the plurality of conductor bodies.

[0010] As a preferred technical solution of the utility model, a second pressure-resistant layer is arranged inside each of the plurality of wire bodies, and a plurality of sealing layers are respectively sleeved on one end of the plurality of second pressure-resistant layers.

[0011] As a preferred technical solution of the present invention, the thickness of the plurality of second pressure-resistant layers is greater than the thickness of the plurality of sealing layers.

[0012] As a preferred technical solution of the utility model, the plurality of waterproof layers are respectively sleeved on one end of the plurality of flame retardant layers.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model discloses a novel transposed conductor for a wind power transformer. By setting a separation rib, an isolation strip, a waterproof layer, a flame retardant layer, an arc rib, a sound absorbing layer and a sealing layer, the separation rib and the isolation strip are respectively distributed on the inner surface of the insulating tape, and a plurality of isolation strips can separate a plurality of conductor bodies, so that the conductor bodies are arranged more neatly. The materials of the first pressure-resistant layer and the second pressure-resistant layer are both polyurethane foam, which has good pressure resistance and enhances the deformation resistance between the conductor body and the insulating tape. The sound absorbing layer is made of a metal sound absorbing board. Since small holes are opened on the surface, the small holes can be connected with the noise. The sound comes into contact with the outer surface of the conductor, and the friction between the two converts the sound energy into heat energy, thereby reducing the noise and having the effect of silencing and sound insulation. The waterproof layer is made of polyvinyl chloride, which has the characteristics of high tensile strength, large elasticity and elongation, good adhesion, water resistance and weather resistance. The flame retardant layer is made of glass wool, which can maintain good thermal insulation performance, and does not burn or produce toxic gases. The arc-shaped ribs are made of steel material with high hardness. They are distributed inside the filling layer, which enhances the compressive strength of the insulating tape, thereby improving the stability of the insulating tape to bind multiple wire bodies. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a front view structural schematic diagram of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the utility model;

[0017] Figure 3 It is a partial side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 4 For the utility model Figure 3 Enlarged view of point A in the middle.

[0019] In the figure: 1. conductor body; 2. insulating tape; 3. separating ribs; 4. isolating strips; 5. filling layer; 6. first pressure-resistant layer; 7. arc-shaped ribs; 8. insulating layer; 9. waterproof layer; 10. flame-retardant layer; 11. sound-absorbing layer; 12. sealing layer; 13. second pressure-resistant layer. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution for a new type of transposed conductor for a wind power transformer:

[0022] like Figure 1-4 As shown, a new type of transposed conductor for a wind power transformer comprises a plurality of conductor bodies 1 and two insulating tapes 2, the two insulating tapes 2 are respectively sleeved on the two ends of the plurality of conductor bodies 1, two dividing ribs 3 are arranged inside the two insulating tapes 2, a plurality of isolation strips 4 are arranged on the inner walls of the two insulating tapes 2, an insulating layer 8 is arranged on the outer surfaces of the plurality of conductor bodies 1, a waterproof layer 9 is arranged inside the plurality of conductor bodies 1, a flame retardant layer 10 is arranged inside the plurality of conductor bodies 1, a sound absorbing layer 11 is arranged inside the plurality of conductor bodies 1, a sealing layer 12 is arranged inside the plurality of conductor bodies 1, one end of the plurality of isolation strips 4 is respectively fixedly connected to the two sides of four dividing ribs 3, and the plurality of isolation strips 4 are respectively arranged on the outside of the plurality of conductor bodies 1. Since small holes are opened on the surface, the small holes can contact with the noise, and the sound energy is converted into heat energy under the friction between the two, thereby achieving the effect of noise reduction, and having the effect of silencing and sound insulation. The waterproof layer 9 is made of polyvinyl chloride, and has the characteristics of high tensile strength, large elasticity and elongation, good adhesion, water resistance and weather resistance.

[0023] Working principle: The new transposed conductor for wind power transformer is a special winding wire, which is designed and applied to improve the efficiency and performance of the transformer. The transposed conductor is composed of a certain number of insulating flat wires arranged in two columns, continuously woven through a special process, and wrapped with a specific insulating material. The conductor is twisted in a transposed manner in structure, so that the insulating flat wires are involved in the twisting, thus forming a special form of twisted wire. Multiple conductor bodies 1 have a certain length and can be transposed and twisted in turn. The separating ribs 3 and the isolation strips 4 are respectively distributed on the inner surface of the insulating tape 2. The multiple isolation strips 4 can separate the multiple conductor bodies 1, so that the conductor bodies 1 are arranged more neatly. The materials of the first pressure-resistant layer 6 and the second pressure-resistant layer 13 are both polyurethane foam, which has good pressure resistance and enhances the deformation resistance between the conductor body 1 and the insulating tape 2. The sound-absorbing layer 11 is metal It is made of a sound-absorbing board. Since small holes are opened on the surface, the small holes can come into contact with the noise. Under the friction between the two, the sound energy is converted into heat energy, thereby achieving the effect of noise reduction, and has the effect of silencing and sound insulation. The waterproof layer 9 is made of polyvinyl chloride, and has the characteristics of high tensile strength, large elasticity and elongation, good adhesion, water resistance and weather resistance. The flame retardant layer 10 is made of glass wool, which can maintain good thermal insulation performance, and does not burn and does not produce toxic gases. The arc ribs 7 are made of steel material with high hardness. They are distributed inside the filling layer 5, which enhances the compressive strength of the insulating tape 2, and also improves the stability of the insulating tape 2 to the multiple wire bodies 1. The outer surfaces of the insulating tape 2 and the insulating layer 8 are both made of insulating materials. The sealing layer 12 is wrapped on the outer surface of the second pressure-resistant layer 13. The sealing layer 12 is made of polyurethane sealing material, which enhances the sealing of the wire body 1.

[0024] In the description of the present invention, it is necessary to understand that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0025] In the present invention, unless otherwise clearly stipulated and limited, for example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, for ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0026] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel transposed conductor for a wind power transformer, comprising a plurality of conductor bodies (1) and two insulating tapes (2), wherein the two insulating tapes (2) are respectively sleeved on two ends of the plurality of conductor bodies (1). Features: Two separation ribs (3) are arranged inside the two insulating tapes (2), a plurality of isolation strips (4) are arranged on the inner walls of the two insulating tapes (2), an insulating layer (8) is arranged on the outer surfaces of the plurality of wire bodies (1), a waterproof layer (9) is arranged inside the plurality of wire bodies (1), a flame retardant layer (10) is arranged inside the plurality of wire bodies (1), a sound absorbing layer (11) is arranged inside the plurality of wire bodies (1), and a sealing layer (12) is arranged inside the plurality of wire bodies (1).

2. A new type of transposed conductor for a wind power transformer according to claim 1, Features: A first pressure-resistant layer (6) is provided inside the two insulating tapes (2), and a filling layer (5) is provided inside the two insulating tapes (2).

3. A new type of transposed conductor for a wind power transformer according to claim 2, Features: A plurality of arc-shaped ribs (7) are arranged inside the two filling layers (5), and the positions where the arc-shaped ribs (7) are arranged are all arranged at equal intervals.

4. A novel transposed conductor for a wind power transformer according to claim 1, Features: One end of the plurality of isolation strips (4) is respectively fixedly connected to the two sides of the four separation ribs (3), and the plurality of isolation strips (4) are respectively arranged outside the plurality of conductor bodies (1).

5. According to claim 1, a new type of transposed conductor for a wind power transformer, Features: A second pressure-resistant layer (13) is arranged inside each of the plurality of wire bodies (1), and the plurality of sealing layers (12) are respectively sleeved on one end of each of the plurality of second pressure-resistant layers (13).

6. A novel transposed conductor for a wind power transformer according to claim 5, Features: The thickness of the plurality of second pressure-resistant layers (13) is greater than the thickness of the plurality of sealing layers (12).

7. A novel transposed conductor for a wind power transformer according to claim 1, Features: The plurality of waterproof layers (9) are respectively sleeved on one end of the plurality of flame retardant layers (10).

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