CN220171884U - High-safety power transformer - Google Patents

Abstract

The utility model discloses a high-security power transformer, which includes a box body. The lower end of the box body is fixedly connected with a connecting frame. The upper end of the box body is fixedly connected with a box cover that is slidingly connected with the upper end. A heat sink is fixedly connected, an insulator is fixedly connected to the upper end of the box cover, a guide post is fixedly connected to the upper end of the box cover, a core is provided inside the box, and a wire is fixedly connected to the upper end of the core post. A heat dissipation plate is fixedly connected to the lower end, a heat dissipation fan is provided at the lower end of the box, a protective cover is provided outside the guide pillar, and a second through hole is provided outside the protective cover. In the utility model, the cooling fan fixedly connected to the inside of the first through hole at the bottom end of the box, the heat dissipation holes on the lower end of the heat dissipation plate, and the heat sinks fixedly connected around the box are used to reduce the heat generated when the power transformer is operating. A large amount of heat is discharged from the box of the power transformer in time.

Description

A high safety power transformer

Technical field

The utility model relates to the technical field of power transformers, and in particular to a high-safety power transformer.

Background technique

Power transformer is one of the main equipment in power plants and substations. The role of the transformer is multi-faceted. It can not only increase the voltage to send electric energy to the power-consuming area, but also reduce the voltage to the voltage used at various levels to meet the needs of electricity. In short, both step-up and step-down must be done by transformers. In the process of transmitting electric energy in the power system, there will inevitably be two losses, voltage and power. When transmitting the same power, the voltage loss is inversely proportional to the voltage, and the power loss is inversely proportional to the square of the voltage. Transformers are used to increase voltage and reduce power transmission losses.

In the process of using power transformers, ordinary power transformers are mostly installed outdoors when in use, and the traditional way of dissipating heat through radiating fins has poor heat dissipation efficiency, making the power transformer extremely susceptible to heat loss in the hot summer. When the temperature rises, it is prone to explosion and other dangers, and the safety is not high. In addition, when the power transformer is working on rainy days, leakage is easy to occur, causing sparks and easily causing fires.

Utility model content

The purpose of this utility model is to propose a high-security power transformer in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical solution: a high-security power transformer, including a box body, the lower end of the box body is fixedly connected with a connecting frame, the upper end of the box body is fixedly connected with a connecting frame and the upper end is slidingly connected with The box cover has heat sinks fixedly connected around the outside of the box, an insulator is fixedly connected to the upper end of the box cover, a guide post is fixedly connected to the upper end of the box cover, a core is provided inside the box, and the upper end of the core post Wires are fixedly connected, a heat dissipation plate is fixedly connected to the lower end of the box, a heat dissipation fan is provided at the lower end of the box, a protective cover is provided outside the guide post, and a second through hole is provided outside the protective cover.

As a further description of the above technical solution:

The four corners of the upper end of the box cover are threadedly connected with a first nut, and the lower end of the first nut rotates with the four corners of the upper end of the box body.

As a further description of the above technical solution:

First connection holes are provided on the front and rear sides of the upper end of the connecting frame, and second connection holes are provided on both ends of the connecting frame.

As a further description of the above technical solution:

A first through hole is provided at the lower end of the inner side of the box, and a cooling fan is fixedly connected to the inner side of the first through hole.

As a further description of the above technical solution:

A connecting plate is fixedly connected to the lower end of the core column, and a second nut is threadedly connected to the connecting plate. The second nut rotates with the inner bottom of the box.

As a further description of the above technical solution:

The upper end of the conductor is fixedly connected to the lower end of the guide post. A plurality of interfaces are fixedly connected to the outside of the guide post. The position of the interface corresponds to the second through hole.

As a further description of the above technical solution:

The lower end of the protective sleeve is fixedly connected to the upper end of the box cover, and the upper end of the second through hole is fixedly connected to a baffle.

As a further description of the above technical solution:

The heat dissipation plate is provided with heat dissipation holes, and the position of the heat dissipation plate corresponds to the heat dissipation fan.

The utility model has the following beneficial effects:

1. In the present utility model, the power transformer is operated by the cooperation between the cooling fan fixedly connected to the inside of the first through hole at the bottom end of the box, the cooling holes on the heat dissipation plate at the lower end, and the heat sinks fixedly connected around the box. The large amount of heat generated is discharged out of the box of the power transformer in a timely manner to prevent explosion due to temperature rise in the box.

2. In this utility model, the outer protective sleeve of the guide post fixedly connected through the upper end of the box cover blocks the interface connected to the high-voltage wire, ensuring that no leakage occurs when the power transformer is working and outputting high-voltage power, and ensuring the normal use of the power transformer.

Description of drawings

Figure 1 is an overall view of a high-security power transformer proposed by the present utility model;

Figure 2 is an exploded view of a high-security power transformer proposed by the present utility model;

Figure 3 is a sectional view of a box of a high-security power transformer proposed by the present utility model.

illustration:

1. Box; 11. First through hole; 2. Connecting frame; 21. First connecting hole; 22. Second connecting hole; 3. Box cover; 31. First nut; 4. Insulator; 5. Guide post ; 51. Interface; 6. Core post; 61. Wire; 62. Connecting plate; 63. Second nut; 7. Heat sink plate; 71. Heat dissipation hole; 8. Cooling fan; 9. Protective sleeve; 91. Second pass Hole; 92, baffle; 10, heat sink.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. They are not intended to indicate or imply that the device or element referred to must have a specific orientation or a specific orientation. The orientation, structure and operation of the invention cannot be understood as limitations of the present invention; the terms "first", "second" and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, Unless otherwise clearly stated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, It can also be an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Referring to Figures 1-3, an embodiment of the utility model is provided: a high-security power transformer, including a box 1, the lower end of the box 1 is fixedly connected to a connecting frame 2, and the upper end of the box 1 is fixedly connected to an upper sliding A box cover 3 is connected, and a heat sink 10 is fixedly connected around the outside of the box 1 to increase the heat dissipation area of the power transformer and quickly dissipate heat to prevent explosion due to excessive temperature in the box 1. An insulator 4 is fixedly connected to the upper end of the box cover 3. , to prevent leakage when the power transformer is working, the upper end of the box cover 3 is fixedly connected to a guide post 5, the inner side of the box 1 is provided with a core post 6, the upper end of the core post 6 is fixedly connected to a wire 61, and the lower end of the box 1 is fixedly connected to a heat sink 7 , a cooling fan 8 is provided at the lower end of the box 1. When the power transformer is working, the power transformer itself generates a large amount of heat. Under the action of the cooling fan 8, the hot air in the box 1 is transferred to the heat sink 7 fixedly connected to the lower end of the box 1. The heat dissipation holes 71 on the guide post 5 are dissipated. A protective sleeve 9 is provided on the outside of the guide pillar 5. The protective sleeve 9 and the baffle 92 protect the interface between the high-voltage line and the interface 51. A second through hole 91 is provided on the outside of the protective sleeve 9. .

A first nut 31 is threadedly connected to the four corners of the upper end of the box cover 3, and the lower end of the first nut 31 rotates with the four corners of the upper end of the box body 1. The box cover 3 is screwed together by the rotational fit between the first nut 31, the box cover 3 and the box body 1. Fixedly connected to the front of the box 1, the upper end of the connecting frame 2 is provided with first connecting holes 21 on the front and rear sides, the connecting frame 2 is provided with second connecting holes 22 at both ends, and the inner lower end of the box 1 is provided with a first through hole 11 and a third A cooling fan 8 is fixedly connected to the inner side of a through hole 11, a connecting plate 62 is fixedly connected to the lower end of the core column 6, and a second nut 63 is threadedly connected to the connecting plate 62. The second nut 63 rotates with the inner bottom of the box 1, and passes through the third nut 63. The rotation fit between the two nuts 63 and the bottom end of the core post 6 and the inner bottom end of the box 1 fixedly connects the core post 6 to the inner bottom of the box 1. The upper end of the wire 61 is fixedly connected to the lower end of the guide post 5. The guide post 5 A plurality of interfaces 51 are fixedly connected to the outside. The position of the interfaces 51 corresponds to the second through hole 91. The lower end of the protective sleeve 9 is fixedly connected to the upper end of the box cover 3. The upper end of the second through hole 91 is fixedly connected to a baffle 92 for heat dissipation. The plate 7 is provided with heat dissipation holes 71 , and the heat dissipation plate 7 is positioned correspondingly to the heat dissipation fan 8 .

Working principle: Through the rotational cooperation between the second nut 63 and the bottom end of the core column 6 and the inner bottom end of the box 1, the core column 6 is fixedly connected to the inner bottom of the box 1, and the wire 61 fixedly connected to the upper end of the core column 6 is The upper end of the box cover 3 is fixedly connected to the guide post 5 and the bottom end is fixedly connected. The first nut 31 is then used to rotate with the box cover 3 and the box body 1 to firmly connect the box cover 3 to the front of the box body 1. Connect the external high-voltage wire to the box body 1. The connector 51 fixedly connected to the outside of the guide post 5 is fixedly connected to protect the interface between the high-voltage line and the interface 51 under the action of the protective sleeve 9 and the baffle 92. When the power transformer is working, the power transformer itself generates a large amount of heat. Under the action of the cooling fan 8, the hot air in the box 1 is dissipated through the heat dissipation holes 71 on the heat sink 7 fixedly connected to the lower end of the box 1, and under the joint action of the heat sink 10 fixedly connected around the box 1, the The heat dissipation area prevents the power transformer from exploding due to excessive temperature.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent substitutions on some of the technical features. Any modifications, equivalent substitutions, improvements, etc. within the spirit and principles of the present utility model shall be made. Included within the protection scope of the present utility model.

Claims (8)

1. The utility model provides a high security's power transformer, includes box (1), its characterized in that: the novel heat dissipation box comprises a box body (1), wherein a connecting frame (2) is fixedly connected to the lower end of the box body (1), a box cover (3) is fixedly connected to the upper end of the box body (1), radiating fins (10) are fixedly connected to the periphery of the outer side of the box body (1), an insulator (4) is fixedly connected to the upper end of the box cover (3), a guide pillar (5) is fixedly connected to the upper end of the box cover (3), a core column (6) is arranged on the inner side of the box body (1), a conducting wire (61) is fixedly connected to the upper end of the core column (6), a radiating plate (7) is fixedly connected to the lower end of the box body (1), a radiating fan (8) is arranged at the lower end of the box body, a protective sleeve (9) is arranged on the outer side of the guide pillar (5), and a second through hole (91) is formed in the outer side of the protective sleeve (9).

2. A high security power transformer according to claim 1, characterized in that: the four corners of the upper end of the box cover (3) are connected with first nuts (31) in a threaded mode, and the lower ends of the first nuts (31) are in rotary fit with the four corners of the upper end of the box body (1).

3. A high security power transformer according to claim 1, characterized in that: the front side and the rear side of the upper end of the connecting frame (2) are provided with first connecting holes (21), and the two ends of the connecting frame (2) are provided with second connecting holes (22).

4. A high security power transformer according to claim 1, characterized in that: the heat dissipation box is characterized in that a first through hole (11) is formed in the lower end of the inner side of the box body (1), and a heat dissipation fan (8) is fixedly connected to the inner side of the first through hole (11).

5. A high security power transformer according to claim 1, characterized in that: the lower end of the core column (6) is fixedly connected with a connecting plate (62) and a second nut (63) is connected to the connecting plate (62) in a threaded mode, and the second nut (63) is in rotary fit with the bottom of the inner side of the box body (1).

6. A high security power transformer according to claim 1, characterized in that: the upper end of the lead (61) is fixedly connected with the lower end of the guide post (5), a plurality of interfaces (51) are fixedly connected to the outer side of the guide post (5), and the positions of the interfaces (51) correspond to the second through holes (91).

7. A high security power transformer according to claim 1, characterized in that: the lower end of the protective sleeve (9) is fixedly connected with the upper end of the box cover (3), and the upper end of the second through hole (91) is fixedly connected with a baffle plate (92).

8. A high security power transformer according to claim 1, characterized in that: the heat dissipation plate (7) is provided with heat dissipation holes (71), and the heat dissipation plate (7) corresponds to the heat dissipation fan (8) in position.