Three-phase three-winding oil-immersed excitation-free low-loss Fahrenheit transformer

Abstract

The utility model discloses a three-phase three-winding oil-immersed excitation-free low-loss Fahrenheit transformer which comprises a Fahrenheit transformer body and is characterized in that a capsule oil storage tank is installed on the top of the Fahrenheit transformer body, a radiator is installed on the side portion of the Fahrenheit transformer body, and meanwhile the outer side of the Fahrenheit transformer body is wrapped with a shell protection assembly. The shell protection assembly comprises a first fixing piece and a second fixing piece which are fixed to a bottom plate of the Fahrenheit transformer body in a screwed mode, and a first lower side protection frame is welded and fixed to the surface of the first fixing piece. According to the three-phase three-winding oil-immersed excitation-free low-loss Fahrenheit transformer, the shell protection assembly mainly comprises a second side protection frame, an inner concave frame, a top protection frame and a first side protection frame, the shell protection assembly wraps the outer side of the Fahrenheit transformer body, and the Fahrenheit transformer body can be protected; when a tree topples and impacts on the Fahrenheit transformer body, the shell protection assembly can protect the Fahrenheit transformer body.

Description

Technical Field

[0001] The utility model relates to the field of Hua transformers, and specifically relates to a three-phase three-winding oil-immersed non-excited low-loss Hua transformer. Background Technique

[0002] A box-type transformer (hereinafter referred to as a box transformer) refers to an electrical device that places a transformer, high-voltage switch components, and low-voltage switch cabinet components all in a box, and has the advantages of high integration, easy installation, and a wide range of applications; it is widely installed in power generation stations and power consumption load points for stepping up or stepping down the input power; a wind power box transformer refers to a box transformer used in a wind power plant, also called a prefabricated substation or a prefabricated transformer substation.

[0003] A Hua box transformer is different from European box transformers and American box transformers. It retains the outer shell box and places the oil tank of the transformer outside the box, and the heat dissipation efficiency of the oil tank is better than that of other boxes.

[0004] When a Hua transformer works outdoors, its outer shell is easily damaged by external forces. For example, strong winds may blow down trees and hit the transformer shell, causing damage to the Hua transformer. Content of the Utility Model

[0005] The purpose of the utility model is to provide a three-phase three-winding oil-immersed non-excited low-loss Hua transformer to solve the defects mentioned in the above background technique.

[0006] To achieve the above purpose, a three-phase three-winding oil-immersed non-excited low-loss Hua transformer is provided, including a Hua transformer body, characterized in that: a capsule oil storage tank is installed on the top of the Hua transformer body, a radiator is installed on the side of the Hua transformer body, and an outer shell protection component is wrapped outside the Hua transformer body;

[0007] The outer shell protection component includes a first fixing piece and a second fixing piece screwed and fixed on the bottom plate of the Hua transformer body. A first lower protection frame is welded and fixed on the surface of the first fixing piece, and a second side protection frame is welded and fixed on the surface of the second fixing piece. A first upper protection frame is installed on the surface of the first lower protection frame, and a top protection frame is fixedly installed on the top of the first upper protection frame. An inner concave frame is installed on the upper side of the second side protection frame.

[0008] Preferably, both the first lower protection frame and the first upper protection frame are composed of eight groups of equally spaced steel bars, and reinforcing columns are welded on both the first lower protection frame and the first upper protection frame. At the same time, the eight groups of steel bars on the first lower protection frame and the first upper protection frame are reinforced by the laterally arranged reinforcing columns.

[0009] Preferably, the first upper protective frame and the top protective frame are vertically arranged, and the first upper protective frame and the top protective frame are fixedly connected by a first diagonal tension piece arranged at an angle of 45 degrees.

[0010] Preferably, the concave frame is arranged in an "L" shape, and the top of the concave frame is fixed to the top protective frame, and the bottom of the concave frame is fixedly connected to the second side protective frame.

[0011] Preferably, the concave frame and the top protective frame are vertically arranged, and the concave frame and the top protective frame are fixedly connected by a second diagonal tension piece arranged at an angle of 45 degrees.

[0012] Preferably, eight groups of positioning cylinders are evenly installed at the bottom of the first upper protective frame, and the first lower protective frame is inserted into the positioning cylinders. At the same time, the first lower protective frame and the first upper protective frame are positioned and installed through the positioning cylinders.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: The outer shell protection component mainly includes a second side protective frame, a concave frame, a top protective frame and a first side protective frame, which are wrapped outside the Fahrenheit transformer body and can protect the Fahrenheit transformer body. When a falling tree is about to hit the Fahrenheit transformer body, the outer shell protection component can protect the Fahrenheit transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a front view schematic diagram of the structure of the present utility model;

[0015] Figure 2 is a schematic diagram of the Fahrenheit transformer body of the structure of the present utility model;

[0016] Figure 3 is a schematic diagram of the outer shell protection component of the structure of the present utility model;

[0017] Figure 4 is the side view of the structure of the present utility model Figure 3 ;

[0018] Figure 5 is the structure of the present utility model Figure 3 ;

[0019] In the figure, the reference numerals: 1, Fahrenheit transformer body; 2, capsule oil storage tank; 3, radiator; 4, outer shell protection component; 40, first fixing piece; 41, strengthening column; 42, first lower protective frame; 43, positioning cylinder; 44, first upper protective frame; 45, first diagonal tension piece; 46, top protective frame; 47, second diagonal tension piece; 48, concave frame; 49, second side protective frame; 50, second fixing piece. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] Please refer to Figures 1-5 , the utility model provides a three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer, which includes a Fahrenheit transformer body 1, a capsule oil storage tank 2 is installed on the top of the Fahrenheit transformer body 1, a radiator 3 is installed on the side of the Fahrenheit transformer body 1, and an outer shell protection component 4 is wrapped outside the Fahrenheit transformer body 1;

[0021] The outer shell protection component 4 includes a first fixing piece 40 and a second fixing piece 50 screwed and fixed on the bottom plate of the Fahrenheit transformer body 1. A first lower protection frame 42 is welded and fixed on the surface of the first fixing piece 40. At the same time, a second side protection frame 49 is welded and fixed on the surface of the second fixing piece 50. A first upper protection frame 44 is installed on the surface of the first lower protection frame 42, and a top protection frame 46 is fixedly installed on the top of the first upper protection frame 44. An inner concave frame 48 is installed on the upper side of the second side protection frame 49.

[0022] Working principle: The outer shell protection component 4 is installed on the outer surface of the Fahrenheit transformer body 1. The outer shell protection component 4 mainly includes a second side protection frame 49, an inner concave frame 48, a top protection frame 46 and a first side protection frame. It is wrapped outside the Fahrenheit transformer body 1 and can protect the Fahrenheit transformer body 1. When a falling tree is about to hit the Fahrenheit transformer body 1, the outer shell protection component 4 can protect the Fahrenheit transformer body 1.

[0023] As a preferred embodiment, both the first lower protection frame 42 and the first upper protection frame 44 are composed of eight groups of equally spaced steel bars, and reinforcing columns 41 are welded on both the first lower protection frame 42 and the first upper protection frame 44. At the same time, the eight groups of steel bars on the first lower protection frame 42 and the first upper protection frame 44 are reinforced by the horizontally arranged reinforcing columns 41.

[0024] The first upper protection frame 44 and the top protection frame 46 are vertically arranged, and the first upper protection frame 44 and the top protection frame 46 are fixedly connected by a first diagonal bracing piece 45 arranged at an angle of 45 degrees.

[0025] The whole outer shell protection component 4 is arranged in a net shape, which will not affect the heat dissipation of the Fahrenheit transformer body 1 while protecting the Fahrenheit transformer body 1.

[0026] As a preferred embodiment, the inner concave frame 48 is arranged in an "L" shape, and the top of the inner concave frame 48 is fixed to the top protection frame 46, and the bottom of the inner concave frame 48 is fixedly connected to the second side protection frame 49.

[0027] As a preferred embodiment, the inner concave frame 48 and the top protection frame 46 are vertically arranged, and the inner concave frame 48 and the top protection frame 46 are fixedly connected by a second diagonal bracing piece 47 arranged at an angle of 45 degrees.

[0028] Eight groups of positioning cylinders 43 are evenly installed at the bottom of the first upper side protection frame 44, and the first lower side protection frame 42 is inserted into the positioning cylinders 43. At the same time, the first lower side protection frame 42 and the first upper side protection frame 44 are positioned and installed through the positioning cylinders 43.

Claims

1. A three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer, comprising a Fahrenheit transformer body (1), characterized in that: A capsule oil storage tank (2) is installed on the top of the Wahrenheit transformer body (1), and a radiator (3) is installed on the side of the Wahrenheit transformer body (1), and a shell protection component (4) is wrapped around the outer side of the Wahrenheit transformer body (1); The housing protection assembly (4) comprises a first fixing plate (40) and a second fixing plate (50) which are screwed and fixed on the bottom plate of the Fahrenheit transformer body (1), and the surface of the first fixing plate (40) is welded and fixed to the first lower protection frame (42), and the surface of the second fixing plate (50) is welded and fixed to the second side protection frame (49), the surface of the first lower protection frame (42) is installed with the first upper protection frame (44), and the top of the first upper protection frame (44) is fixedly installed with the top protection frame (46), and the upper side of the second side protection frame (49) is installed with the inner concave frame (48).

2. A three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer according to claim 1, characterized in that: The first lower protection frame (42) and the first upper protection frame (44) are both composed of eight groups of steel bars arranged at equal intervals, and reinforcing columns (41) are welded to the first lower protection frame (42) and the first upper protection frame (44). At the same time, the eight groups of steel bars on the first lower protection frame (42) and the first upper protection frame (44) are reinforced by transversely arranged reinforcing columns (41).

3. A three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer according to claim 1, characterized in that: The first upper protection frame (44) and the top protection frame (46) are arranged vertically, and the first upper protection frame (44) and the top protection frame (46) are fixedly connected via a first inclined pull piece (45) arranged at an angle of 45 degrees.

4. The three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer according to claim 1 is characterized in that: The inner concave frame (48) is arranged in an "L" shape, and the top of the inner concave frame (48) is fixed to the top protection frame (46), and the bottom of the inner concave frame (48) is fixedly connected to the second side protection frame (49).

5. A three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer according to claim 4, characterized in that: The inner concave frame (48) and the top protective frame (46) are arranged vertically, and the inner concave frame (48) and the top protective frame (46) are fixedly connected via a second inclined pull piece (47) arranged at an angle of 45 degrees.

6. The three-phase three-winding oil-immersed non-excitation low-loss Fahrenheit transformer according to claim 1, characterized in that: Eight groups of positioning tubes (43) are evenly installed at the bottom of the first upper protection frame (44), and the first lower protection frame (42) is inserted into the interior of the positioning tubes (43). At the same time, the first lower protection frame (42) and the first upper protection frame (44) are positioned and installed through the positioning tubes (43).

Images