A voltage isolation transformer

Abstract

The utility model discloses a voltage isolation transformer, including a housing module and a winding module, wherein the winding module is installed on the housing module, wherein the housing module includes an integrally formed first housing and a second housing, wherein the first housing is provided with a winding placement groove, wherein a winding fixing piece is provided on a side of the winding placement groove close to the second housing, and a winding mounting seat is provided on a side of the winding placement groove away from the second housing, wherein the winding fixing piece is provided with a first installation limit hole, a second installation limit hole, and a third installation limit hole. The utility model discloses a voltage isolation transformer, wherein the housing module and the winding module are linked to each other, the winding module is installed between the winding fixing piece of the winding placement groove and the winding mounting seat, and an installation limit hole is provided between each winding and the terminal for fixed limit, and the transformer has the advantages of stable structure, high practicality, and high strength.

Description

Technical Field

[0001] The utility model belongs to the technical field of voltage transformers, and in particular relates to a voltage isolation transformer. Background Art

[0002] The three-phase voltage transformer is a type of voltage transformer, which is suitable for voltage measurement and power output of three-phase electricity. The three-phase voltage transformer includes a transformer component that can reduce the voltage. The transformer component includes an iron core and two windings wound on the iron core. After obtaining relatively low-voltage electricity through the transformer component, on the one hand, it can be used for low-voltage power supply, and on the other hand, it can be output to the signal end to detect each phase of electricity.

[0003] Many winding modules of existing voltage transformers are directly mounted on the inner wall of the casing, which are easily loosened when subjected to external forces and transportation bumps, and have low structural strength.

[0004] Therefore, further improvements are made to the above problems. Utility Model Content

[0005] The main purpose of the utility model is to provide a voltage isolation transformer, which is linked by a shell module and a winding module, and the winding module is installed between the winding fixing piece and the winding mounting seat of the winding placement groove, and an installation limit hole is provided between each winding and the terminal for fixing and limiting. It has the advantages of stable structure, high practicality and high strength.

[0006] In order to achieve the above object, the utility model provides a voltage isolation transformer, comprising a housing module and a winding module, wherein the winding module is installed in the housing module, wherein:

[0007] The housing module comprises an integrally formed first housing and a second housing, the first housing is provided with a winding placement groove, a winding fixing piece is provided on a side of the winding placement groove close to the second housing, and a winding mounting seat is provided on a side of the winding placement groove away from the second housing, the winding fixing piece is provided with a first mounting limit hole, a second mounting limit hole and a third mounting limit hole; the second housing is provided with a hollow terminal placement area and the terminal placement area is provided with a terminal protection cover;

[0008] The winding module includes a first winding, a second winding, a third winding, a first terminal, a second terminal and a third terminal. The first winding, the second winding and the third winding are all built into the winding placement groove. The first terminal, the second terminal and the third terminal are all installed and partially placed outside the terminal protection cover. One end of the first winding is connected to the first terminal through a first installation limit hole and the other end of the first winding is installed on the winding mounting seat. One end of the second winding is connected to the second terminal through a second installation limit hole and the other end of the second winding is installed on the winding mounting seat. One end of the third winding is connected to the third terminal through a third installation limit hole and the other end of the third winding is installed on the winding mounting seat.

[0009] As a further preferred technical solution of the above technical solution, a first installation hook is provided on the first outer side of the first shell.

[0010] As a further preferred technical solution of the above technical solution, a second installation hook is provided on the first outer side of the second shell.

[0011] As a further preferred technical solution of the above technical solution, a fixed mounting member is provided on the second outer side of the second shell.

[0012] As a further preferred technical solution of the above technical solution, the winding placement groove is provided with epoxy resin and the winding placement groove is provided with a cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of the structure of a voltage isolation transformer.

[0014] Figure 2 The utility model is a schematic diagram of the structure of a voltage isolation transformer.

[0015] The reference numerals include: 100, housing module; 110, first housing; 111, winding placement groove; 112, winding fixing piece; 1121, first installation limit hole; 1122, second installation limit hole; 1123, third installation limit hole; 113, winding mounting seat; 114, first installation hook; 120, second housing; 121, terminal placement area; 122, terminal protection cover; 123, second installation hook; 124, fixed mounting piece; 200, winding module; 210, first winding; 220, second winding; 230, third winding; 240, first terminal; 250, second terminal; 260, third terminal. DETAILED DESCRIPTION

[0016] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.

[0017] The utility model discloses a voltage isolation transformer. The specific embodiments of the utility model are further described below in conjunction with preferred embodiments.

[0018] In the embodiments of the present invention, those skilled in the art will note that the cover plate and the like involved in the present invention may be regarded as prior art.

[0019] Preferred embodiments.

[0020] like Figure 1-2 As shown, the utility model discloses a voltage isolation transformer, comprising a housing module 100 and a winding module 200, wherein the winding module 200 is installed in the housing module 100, wherein:

[0021] The housing module 100 includes an integrally formed first housing 110 and a second housing 120, the first housing 110 is provided with a winding placement groove 111, a winding fixing piece 112 is provided on a side of the winding placement groove 111 close to the second housing 120, and a winding mounting seat 113 is provided on a side of the winding placement groove 111 away from the second housing 120, the winding fixing piece 112 is provided with a first installation limiting hole 1121, a second installation limiting hole 1122 and a third installation limiting hole 1123; the second housing 120 is provided with a hollow terminal placement area 121 and the terminal placement area 121 is provided with a terminal protection cover 122;

[0022] The winding module 200 includes a first winding 210, a second winding 220, a third winding 230, a first terminal 240, a second terminal 250 and a third terminal 260. The first winding 210, the second winding 220 and the third winding 230 are all built into the winding placement groove 111. The first terminal 240, the second terminal 250 and the third terminal 260 are all installed and partially placed outside the terminal protection cover 122. One end of the first winding 210 is connected to the first terminal through the first installation limit hole 1121. 240 is connected and the other end of the first winding 210 is installed on the winding mounting seat 113, one end of the second winding 220 is connected to the second terminal 250 through the second installation limit hole 1122 and the other end of the second winding 220 is installed on the winding mounting seat 113, one end of the third winding 230 is connected to the third terminal 260 through the third installation limit hole 1123 and the other end of the third winding 230 is installed on the winding mounting seat 113 (to improve the seismic resistance of each winding, and to perform orderly installation and connection through the installation limit holes).

[0023] Specifically, a first installation hook 114 (for installation and fixing) is provided on the first outer side of the first housing 110 .

[0024] More specifically, a second installation hook 123 (for installation and fixing) is provided on the first outer side of the second housing 120 .

[0025] Furthermore, a fixing member 124 (for installation and fixing) is provided on the second outer side of the second housing 120 .

[0026] Furthermore, the winding placement groove is provided with epoxy resin (not shown) and the winding placement groove is provided with a cover plate (for protecting the internal winding structure).

[0027] It is worth mentioning that the technical features such as the cover plate involved in this utility model patent application should be regarded as the prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field, and should not be regarded as the invention point of this utility model patent. This utility model patent will not be further elaborated.

[0028] For those skilled in the art, it is still possible to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A voltage isolation transformer, characterized in that: It comprises a housing module and a winding module, wherein the winding module is installed in the housing module, wherein: The housing module comprises an integrally formed first housing and a second housing, the first housing is provided with a winding placement groove, a winding fixing piece is provided on a side of the winding placement groove close to the second housing, and a winding mounting seat is provided on a side of the winding placement groove away from the second housing, the winding fixing piece is provided with a first mounting limit hole, a second mounting limit hole and a third mounting limit hole; the second housing is provided with a hollow terminal placement area and the terminal placement area is provided with a terminal protection cover; The winding module includes a first winding, a second winding, a third winding, a first terminal, a second terminal and a third terminal. The first winding, the second winding and the third winding are all built into the winding placement groove. The first terminal, the second terminal and the third terminal are all installed and partially placed outside the terminal protection cover. One end of the first winding is connected to the first terminal through a first installation limit hole and the other end of the first winding is installed on the winding mounting seat. One end of the second winding is connected to the second terminal through a second installation limit hole and the other end of the second winding is installed on the winding mounting seat. One end of the third winding is connected to the third terminal through a third installation limit hole and the other end of the third winding is installed on the winding mounting seat.

2. A voltage isolation transformer according to claim 1, characterized in that: A first installation hook is disposed on a first outer side of the first housing.

3. A voltage isolation transformer according to claim 2, characterized in that: A second installation hook is disposed on a first outer side of the second housing.

4. A voltage isolation transformer according to claim 3, characterized in that: A fixing member is disposed on the second outer side of the second housing.

5. A voltage isolation transformer according to claim 4, characterized in that: The winding placement groove is provided with epoxy resin and the winding placement groove is provided with a cover plate.

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