CN215496370U - Creepage distance reinforcing structure for transformer winding - Google Patents

Creepage distance reinforcing structure for transformer winding Download PDF

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Publication number
CN215496370U
CN215496370U CN202121498675.5U CN202121498675U CN215496370U CN 215496370 U CN215496370 U CN 215496370U CN 202121498675 U CN202121498675 U CN 202121498675U CN 215496370 U CN215496370 U CN 215496370U
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insulating
creepage distance
transformer
comb
segmentation
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CN202121498675.5U
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Chinese (zh)
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张正康
张攀
张生平
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SICHUAN SPECIAL TRANSFORMER FACTORY
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SICHUAN SPECIAL TRANSFORMER FACTORY
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Abstract

The utility model discloses a creepage distance enhancing structure for transformer windings, belongs to the technical field of transformers, and aims to solve the problem that creepage distance between windings of an existing transformer is low, so that reliability of the transformer is reduced. The novel comb comprises an insulating cylinder, wherein a plurality of comb strips are axially arranged on the surface of the insulating cylinder along the insulating cylinder, the comb strips are uniformly distributed along the circumferential direction of the insulating cylinder, each comb strip comprises a plurality of groove sections and separation sections arranged between adjacent groove sections, windings are arranged on the groove sections, the adjacent windings are separated through the separation sections, and insulating supporting strips are arranged on the separation sections. According to the utility model, the insulating supporting strips are arranged on the separation sections of the comb strips, so that the creepage distance between the windings can be effectively increased by more than 50%, the transformer can run more stably in a complex environment, and the product reliability of the transformer is greatly improved. The utility model is suitable for transformers.

Description

Creepage distance reinforcing structure for transformer winding
Technical Field
The utility model belongs to the technical field of transformers, and particularly relates to a creepage distance enhancing structure for a transformer winding.
Background
As is known, the current dry rectifier transformer is mainly used in an excitation system of a generator, a dc power grid of an electric locomotive in the electrochemical industry, a mine or a railway, and the like. With the rapid development of modern power electronic technology and microelectronic technology, the variable frequency speed regulation device is continuously mature, and the application field and range of the variable frequency speed regulation device are more and more extensive, so that the efficient and reasonable utilization of energy sources, especially electric energy, becomes possible. The variable frequency speed regulation is also listed as one of the improvement demonstration of 3 comprehensive utilization technologies of resource conservation implemented by national key organization. It is a device which converts the industrial frequency power supply (50Hz or 60Hz) into AC power supply with various frequencies to realize the variable speed operation of the motor. The rectification circuit converts alternating current into direct current, the direct current intermediate current performs smooth filtering on the output of the rectification circuit, and the inverter circuit inverts the direct current into alternating current with controllable frequency and voltage. The dry rectifier transformer for frequency conversion and speed regulation is an important element in a frequency conversion and speed regulation device, and is a transformer widely applied to social production.
The existing dry-type transformer needs to be wound with a coil during production, and the coil is wound on a comb strip, so that a certain interval exists between the wound windings, and a certain creepage distance is achieved. However, the creepage distance between the windings of the existing transformer is low, so that the transformer runs unstably in a complex environment, and the reliability of the transformer is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a creepage distance reinforcing structure of transformer winding, it is lower to solve creepage distance between current transformer winding, causes the problem that transformer reliability reduces.
The technical scheme adopted by the utility model is as follows:
the utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb is along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation.
Furthermore, the insulating supporting strips are arranged in two numbers and are vertically arranged on the separation section.
Furthermore, the insulating supporting strips are arranged in two numbers, and the insulating supporting strips are obliquely arranged on the separation section.
Further, two insulating supporting strips are arranged in the middle of the separation section at intervals.
Furthermore, two insulating supporting bars are respectively arranged at the end parts of the two sides of the separation section.
Furthermore, the number of the insulating supporting strips is three, and the insulating supporting strips are vertically arranged on the separation section.
Furthermore, the number of the insulating supporting strips is three, and the insulating supporting strips are obliquely arranged on the separation section.
Furthermore, two of the three insulating supporting strips are respectively arranged at the end parts of the two sides of the separation section, and one insulating supporting strip is arranged in the middle of the separation section.
Furthermore, one insulating supporting strip is arranged and is vertically arranged in the middle of the separation section.
Furthermore, one insulating supporting strip is arranged and the insulating supporting strip is obliquely arranged in the middle of the separation section.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. the comb-shaped bar winding device comprises an insulating cylinder, wherein a plurality of comb strips are arranged on the surface of the insulating cylinder along the axial direction of the insulating cylinder, the comb strips are uniformly distributed along the circumferential direction of the insulating cylinder, each comb strip comprises a plurality of groove sections and separation sections arranged between every two adjacent groove sections, windings are arranged on the groove sections, the adjacent windings are separated through the separation sections, and insulating supporting strips are arranged on the separation sections. Through this setting, set up insulating stay on the partition segment of stripping comb, creepage distance between can effectual increase winding, creepage distance can increase more than 50%, makes the transformer move more stably at complex environment, has promoted the product reliability of transformer greatly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for those skilled in the art, other relevant drawings can be obtained according to the drawings without inventive effort, wherein:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial schematic view of the present invention;
FIG. 3 is a schematic view of the structure of the sliver and the insulating stays in the first embodiment of the present invention;
FIG. 4 is a schematic view of the structure of a comb strip and an insulating stay in a second embodiment of the present invention;
FIG. 5 is a schematic view of the structure of a comb strip and an insulating stay in a third embodiment of the present invention;
FIG. 6 is a schematic view of the structure of a comb strip and an insulating stay in a fourth embodiment of the present invention;
FIG. 7 is a schematic view of the structure of a comb strip and an insulating stay in a fifth embodiment of the present invention;
FIG. 8 is a schematic view of the structure of a comb strip and an insulating stay in a sixth embodiment of the present invention;
FIG. 9 is a schematic view of the structure of a comb strip and an insulating stay in a seventh embodiment of the present invention;
FIG. 10 is a schematic view of the structure of a comb strip and an insulating stay according to an eighth embodiment of the present invention;
the labels in the figure are: 1-insulating cylinder, 2-sliver, 21-groove section, 22-separation section, 3-winding and 4-insulating stay.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: reference numerals and letters designate similar items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are merely used for simplifying the description of the present invention, and do not indicate or imply that the devices or elements indicated 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," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; mechanical connection or electrical connection can be realized; the two original pieces can be directly connected or indirectly connected through an intermediate medium, or the two original pieces can be communicated with each other. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb is along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation.
Furthermore, the insulating supporting strips are arranged in two numbers and are vertically arranged on the separation section.
Furthermore, the insulating supporting strips are arranged in two numbers, and the insulating supporting strips are obliquely arranged on the separation section.
Further, two insulating supporting strips are arranged in the middle of the separation section at intervals.
Furthermore, two insulating supporting bars are respectively arranged at the end parts of the two sides of the separation section.
Furthermore, the number of the insulating supporting strips is three, and the insulating supporting strips are vertically arranged on the separation section.
Furthermore, the number of the insulating supporting strips is three, and the insulating supporting strips are obliquely arranged on the separation section.
Furthermore, two of the three insulating supporting strips are respectively arranged at the end parts of the two sides of the separation section, and one insulating supporting strip is arranged in the middle of the separation section.
Furthermore, one insulating supporting strip is arranged and is vertically arranged in the middle of the separation section.
Furthermore, one insulating supporting strip is arranged and the insulating supporting strip is obliquely arranged in the middle of the separation section.
In the implementation process of the utility model, the insulating supporting strips are arranged on the separation sections of the comb strips, so that the creepage distance between the windings can be effectively increased by more than 50%, the transformer can run more stably in a complex environment, and the product reliability of the transformer is greatly improved.
Example 1
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with two just insulating stay sets up perpendicularly on the segmentation, and two insulating stay intervals set up in the segmentation middle part.
Example 2
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with two just insulating stay slope sets up on the segmentation, and two insulating stay intervals set up in the segmentation middle part.
Example 3
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with two just insulating stay sets up perpendicularly on the segmentation, and two insulating stays set up respectively in segmentation both sides tip.
Example 4
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with two just insulating stay slope sets up on the segmentation, and two insulating stays set up respectively in segmentation both sides tip.
Example 5
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with threely just insulating stay sets up perpendicularly on the segmentation, and two insulating stays set up respectively in the three insulating stay in the segmentation both sides tip, and an insulating stay sets up in the segmentation middle part.
Example 6
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with threely just insulating stay slope sets up on the segmentation, and two insulating stays set up respectively in three insulating stay in the segmentation both sides tip, and an insulating stay sets up in the segmentation middle part.
Example 7
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb is along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with one just insulating stay sets up perpendicularly in the segmentation middle part.
Example 8
The utility model provides a transformer winding creepage distance reinforcing structure, includes the insulating cylinder, and the insulating cylinder surface is provided with a plurality of combs along the insulating cylinder axial, the comb is along insulating cylinder circumference evenly distributed, the comb includes a plurality of groove sections and sets up the segmentation between adjacent groove section, be provided with the winding on the groove section, separate through the segmentation between the adjacent winding, be provided with insulating stay on the segmentation, insulating stay is provided with one just insulating stay slope sets up in the segmentation middle part.
The above description is an embodiment of the present invention. The foregoing is a preferred embodiment of the present invention, and the preferred embodiments in the preferred embodiments can be combined and used in any combination if not obviously contradictory or prerequisite to a certain preferred embodiment, and the specific parameters in the embodiments and examples are only for the purpose of clearly showing the verification process of the utility model and are not intended to limit the patent protection scope of the present invention, which is subject to the claims and all the equivalent structural changes made by the content of the description and the drawings of the present invention are also included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a transformer winding creepage distance reinforcing structure, its characterized in that, includes insulating cylinder (1), and insulating cylinder (1) surface is provided with a plurality of combs (2) along insulating cylinder (1) axial, comb (2) are along insulating cylinder (1) circumference evenly distributed, comb (2) include a plurality of groove section (21) and set up segmentation (22) between adjacent groove section (21), be provided with winding (3) on groove section (21), separate through segmentation (22) between adjacent winding (3), be provided with insulating stay (4) on segmentation (22).
2. A transformer winding creepage distance enhancing structure according to claim 1, wherein the insulating stays (4) are provided in two and the insulating stays (4) are vertically provided on the partition section (22).
3. A transformer winding creepage distance enhancing structure according to claim 1, wherein the insulating stays (4) are provided in two and the insulating stays (4) are obliquely provided on the partition section (22).
4. A transformer winding creepage distance enhancing structure according to claim 2 or 3, wherein two insulating stays (4) are provided at intervals in the middle of the divided section (22).
5. A creepage distance enhancing structure for transformer winding according to claim 2 or 3, wherein two insulating stays (4) are provided at both side ends of the divided section (22), respectively.
6. A transformer winding creepage distance enhancing structure according to claim 1, wherein the insulating stays (4) are provided in three and the insulating stays (4) are vertically provided on the partition section (22).
7. A creepage distance enhancing structure of transformer winding according to claim 1, wherein said insulating stays (4) are provided in three and said insulating stays (4) are obliquely provided on the divided sections.
8. The winding creepage distance reinforcing structure of transformer according to claim 6 or 7, wherein two of the three insulating stays (4) are provided at both side ends of the divided section (22), respectively, and one insulating stay (4) is provided at the middle of the divided section (22).
9. A transformer winding creepage distance enhancing structure according to claim 1, wherein one of the insulating stays (4) is provided and the insulating stay (4) is vertically provided in the middle of the divided section (22).
10. A creepage distance enhancing structure for transformer winding according to claim 1, wherein one of said insulating stays (4) is provided and said insulating stay (4) is provided obliquely to the middle of the divided section (22).
CN202121498675.5U 2021-07-02 2021-07-02 Creepage distance reinforcing structure for transformer winding Active CN215496370U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121498675.5U CN215496370U (en) 2021-07-02 2021-07-02 Creepage distance reinforcing structure for transformer winding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121498675.5U CN215496370U (en) 2021-07-02 2021-07-02 Creepage distance reinforcing structure for transformer winding

Publications (1)

Publication Number Publication Date
CN215496370U true CN215496370U (en) 2022-01-11

Family

ID=79724134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121498675.5U Active CN215496370U (en) 2021-07-02 2021-07-02 Creepage distance reinforcing structure for transformer winding

Country Status (1)

Country Link
CN (1) CN215496370U (en)

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