A high-insulation multi-way outlet component for ultra-high voltage transformer

Abstract

The utility model relates to the field of transformers, in particular to a high-insulation multi-way outlet component for an ultra-high voltage transformer; comprising: an insulating sleeve, which is composed of multiple layers of insulating paper; the insulating sleeve comprises: a main sleeve, which is provided with an inlet and a first outlet; a side sleeve, which is arranged on the side of the main sleeve and is connected with the main sleeve, and a second outlet is provided at the end of the side sleeve; the utility model can improve the reliability of transformer insulation, has extremely high electrical performance, can be an excellent oil barrier, reduce the effect of the vertical electric field, reduce various losses, reduce the transport quality and transport size per unit capacity, and has the characteristics of stable molding, appropriate strength, and minimum insulation distance; realizes multiple outlet positions, and can be suitable for higher outlet requirements.

Description

Technical Field

[0001] The utility model relates to the field of transformers, in particular to a high-insulation multi-way outlet component for an ultra-high voltage transformer. Background Art

[0002] With the continuous development of the national power industry, the demand for large-capacity power station construction and long-distance transmission and transformation lines, the capacity and voltage level of power transmission and transformation equipment such as transformers are constantly increasing, the operating reliability requirements of transmission equipment are becoming higher and higher, and a large number of high-voltage and ultra-high-voltage projects are being built, which urgently requires high-quality outgoing line components.

[0003] Therefore, there is an urgent need to provide an improved technical solution to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-insulation multi-way outlet component for an ultra-high voltage transformer with multiple outlets in order to solve the above-mentioned technical problems.

[0005] In view of this, the utility model provides a high-insulation multi-way outlet component for an ultra-high voltage transformer, which is characterized by comprising:

[0006] Insulating sleeve, the insulating sleeve is composed of multiple layers of insulating paper;

[0007] Insulation sleeve includes:

[0008] A main casing, the main casing is provided with a line inlet and a first line outlet;

[0009] The side sleeve is arranged on the side of the main sleeve and is communicated with the main sleeve. The end of the side sleeve is provided with a second wire outlet.

[0010] Furthermore, at least one side sleeve is provided, and each side sleeve is correspondingly provided with a wire outlet.

[0011] Furthermore, more than two side sleeves are symmetrically arranged on both sides of the main sleeve, and the axial distance between each side sleeve is greater than the diameter of the side sleeve.

[0012] Furthermore, the diameters of the main casing and the side casing are the same.

[0013] Furthermore, an oil gap is formed between the insulating papers, and a support plate is provided in the oil gap.

[0014] Furthermore, it also includes:

[0015] The sealing cover is arranged on the wire outlet.

[0016] Furthermore, the main sleeve and the side sleeve are integrally formed.

[0017] Furthermore, a pressure plate is provided at the wire outlet.

[0018] The beneficial effects of the utility model are:

[0019] 1. The utility model can improve the reliability of transformer insulation, has extremely high electrical performance, can be an excellent oil barrier, reduce the effect of vertical electric field, reduce various losses, reduce the transportation quality and transportation size per unit capacity, has the characteristics of stable molding, appropriate strength, and minimum insulation distance; realizes multiple outlet positions, and can be suitable for higher outlet requirements.

[0020] 2. The side bushings of the utility model are symmetrically arranged on both sides of the main bushing, and the axial distance of each side bushing is greater than the diameter of the side bushing, so that the connection positions of all the side bushings and the main bushing are staggered, and the connection positions are reasonably distributed, so that excessive current load will not be generated at one position.

[0021] 3. The utility model is made and molded in one piece, which can enhance the insulation and electrical performance of the molded part. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0023] Figure 2 It is a schematic diagram of the structure of the utility model from a side view;

[0024] Figure 3 It is a structural schematic diagram of the insulating sleeve of the utility model.

[0025] The symbols in the figure are:

[0026] 1. Main casing; 2. Wire inlet; 3. First wire outlet; 4. Second wire outlet; 5. Side casing; 6. Oil gap; 7. Support plate; 8. Cover; 9. Press plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0028] Embodiment 1:

[0029] This embodiment provides a high-insulation multi-way outlet component for an ultra-high voltage transformer, which is characterized by comprising:

[0030] Insulating sleeve, the insulating sleeve is composed of multiple layers of insulating paper;

[0031] Insulation sleeve includes:

[0032] The main casing 1 is provided with a line inlet 2 and a first line outlet 3:

[0033] A side sleeve 5, which is arranged on the side of the main sleeve 1 and communicated with the main sleeve 1, and a second wire outlet 4 is provided at the end of the side sleeve 5;

[0034] At least two side sleeves 5 are provided, and each side sleeve 5 is correspondingly provided with a wire outlet.

[0035] The insulating sleeve is made of 100% imported electrical grade natural color high purity insulating pulp processed from conifers grown in cold northern regions, and is made from a purely handmade 360° paper embryo.

[0036] This embodiment can improve the reliability of transformer insulation, has extremely high electrical performance, can provide an excellent oil barrier, reduce the effect of vertical electric fields, reduce various losses, reduce the transportation mass and transportation size per unit capacity, and has the characteristics of stable molding, appropriate strength, and minimum insulation distance.

[0037] Multiple outlet positions can be realized to meet higher outlet requirements.

[0038] Embodiment 2:

[0039] This embodiment provides a high-insulation multi-way outlet component for an ultra-high voltage transformer. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0040] The side sleeves 5 are symmetrically arranged on both sides of the main sleeve 1 , and the axial distance between the side sleeves 5 is greater than the diameter of the side sleeves 5 .

[0041] The side bushings 5 ​​are symmetrically arranged on both sides of the main bushing 1, and the axial distance between each side bushing 5 is greater than the diameter of the side bushing 5, so that the connection positions of all the side bushings 5 ​​and the main bushing 1 are staggered, and the connection positions are reasonably distributed, so that excessive current load will not be generated at one position.

[0042] The main casing 1 and the side casing 5 have the same diameter.

[0043] The main bushing 1 and the side bushing 5 have the same diameter, so that the main bushing 1 and the side bushing 5 have a smooth transition and the thickness of the insulation layer is the same.

[0044] An oil gap 6 is formed between the insulating papers, and a support plate 7 is provided in the oil gap 6 .

[0045] An oil gap 6 is formed between the insulating papers, and a plurality of circumferentially arranged support plates 7 are provided in the oil gap 6, and the support plates 7 are parallel to the axis of the bushing to achieve a better support effect. The generated oil gap 6 can be filled with insulating oil to increase insulation.

[0046] Embodiment 3:

[0047] This embodiment provides a high-insulation multi-way outlet component for an ultra-high voltage transformer. In addition to the technical solutions of the above embodiments, it also has the following technical features.

[0048] Also includes:

[0049] The cover 8 is arranged on the wire outlet.

[0050] The sealing cover 8 is arranged on the wire outlet. The sealing cover 8 is made of soft rubber and has a bottomed cylindrical structure. It is sleeved on the end of the wire outlet of the sleeve. When the wire outlet is not connected and not in use, the sealing cover 8 is used to seal the wire outlet to increase safety performance.

[0051] The main sleeve 1 and the side sleeve 5 are integrally formed.

[0052] This embodiment adopts integrated manufacturing and integrated molding, which can enhance the insulation performance and electrical performance of the molded part.

[0053] A pressing plate 9 is also provided at the line outlet.

[0054] Each outlet is made of a pressing plate 9 to ensure its stable performance. The pressing plate 9 is supported by insulating paper with higher hardness, or the edge of the outlet is pressed into insulating paper with higher sealing.

[0055] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are merely illustrative and not restrictive. Under the inspiration of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which belong to the protection scope of the present application.

Claims

1. A high-insulation multi-way outlet component for an ultra-high voltage transformer, characterized in that: include: Insulating sleeve, the insulating sleeve is composed of multiple layers of insulating paper; Insulation sleeve includes: The main casing (1) is provided with a line inlet (2) and a first line outlet (3): A side sleeve (5), the side sleeve (5) being arranged on a side of the main sleeve (1) and being in communication with the main sleeve (1), and a second wire outlet (4) being arranged at an end of the side sleeve (5); At least two side sleeves (5) are provided, and each side sleeve (5) is correspondingly provided with a wire outlet.

2. The high-insulation multi-way outlet component for an ultra-high voltage transformer according to claim 1, characterized in that: The side sleeves (5) are symmetrically arranged on both sides of the main sleeve (1), and the axial distance between the side sleeves (5) is greater than the diameter of the side sleeves (5).

3. The high-insulation multi-way outlet component for an ultra-high voltage transformer according to claim 1, characterized in that: The main casing (1) and the side casing (5) have the same diameter.

4. The high-insulation multi-way outlet component for an ultra-high voltage transformer according to claim 1, characterized in that: An oil gap (6) is formed between the insulating papers, and a support plate (7) is provided in the oil gap (6).

5. The high-insulation multi-way outlet component for an ultra-high voltage transformer according to claim 1, characterized in that: Also includes: A sealing cover (8) is arranged on the wire outlet.

6. The high-insulation multi-way outlet component for an ultra-high voltage transformer according to claim 1, characterized in that: The main sleeve (1) and the side sleeve (5) are integrally formed.

7. The high-insulation multi-way outlet component for an ultra-high voltage transformer according to claim 1, characterized in that: A pressing plate (9) is also provided at the wire outlet.

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