CN211578515U

CN211578515U - Transformer with constant temperature and voltage protection device

Info

Publication number: CN211578515U
Application number: CN202020231527.6U
Authority: CN
Inventors: 李展春; 冯珂; 陈赖平
Original assignee: Hunan Keli Electrical Co ltd
Current assignee: Hunan Keli Electrical Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-09-25
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a take constant temperature and voltage protection device's transformer, including the box, inserted connecting terminal on the box, connecting terminal passes the box and installs solid waterproof layer, solid waterproof layer includes and has the arc cover plate with connecting terminal welding or integrated into one piece, and arc cover plate outer end is fixed with keeps off the ring, and the welding has first vertical ring board in keeping off the ring, and first vertical ring board outer welded fastening has the swash plate, and the fixed welding of swash plate has the vertical ring board of second, and the vertical ring board of second is fixed with the last swash plate that has the ascending setting of directed interior and upwards. The utility model discloses pierce through the department to the terminal and adopt rigidity and flexible two-layer waterproof construction, effectively prevented that water from the terminal from piercing through the inside hidden danger of department inflow transformer, and through crown plate and liquid hole, guaranteed even absorption and the circulation of circulating pump transformer oil everywhere in to first cavity, guaranteed the uniformity and the homogeneity of transformer temperature everywhere.

Description

Transformer with constant temperature and voltage protection device

Technical Field

The utility model relates to an engineering machine tool field, concretely relates to take constant temperature and voltage protection device's transformer.

Background

Transformer (Transformer) is the device that utilizes electromagnetic induction's principle to change alternating voltage, and a large amount of heats can appear in the operation process in the voltage ware, consequently need dispel the heat, current conventional mode adopts oily formula structure, soak lower part in Transformer oil in the Transformer, and drive Transformer oil circulation heat dissipation through the circulating pump, but current circulating pump suction inlet is only one, the Transformer oil that leads to only suction inlet part is absorbed the heat dissipation easily, it can not in time be absorbed away the heat dissipation to have the Transformer oil that the suction inlet is far away, thereby lead to Transformer local high temperature easily and the inhomogeneous life-span reduction of heat. In addition, the connecting terminal of transformer need pass transformer box and be connected with external electricity, and pass the position even adopt sealed such as sealing washer, because factor influences such as expend with heat and contract with cold, appear the gap very easily and lead to the seepage, make the inside short circuit that arouses of rainwater infiltration transformer easily, cause danger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take constant temperature and voltage protection device's transformer, the utility model discloses pierce through the department to the terminal and adopt rigidity and flexible two-layer waterproof construction, effectively prevented water from the terminal and pierce through the inside hidden danger of department inflow transformer, and pass through the crown plate and pass through the liquid hole, guaranteed the even absorption and the circulation of circulating pump transformer oil everywhere in to first cavity, guaranteed the uniformity and the homogeneity of transformer temperature everywhere.

In order to solve the above problem, the technical scheme of the utility model is that:

a transformer with a constant temperature and voltage protection device comprises a box body, wherein a connecting terminal is inserted into the box body, the connecting terminal penetrates through the box body to be provided with a solid waterproof layer, the solid waterproof layer comprises an arc-shaped cover plate welded or integrally formed with the connecting terminal, the outer end of the arc-shaped cover plate is fixed with a baffle ring, a first vertical ring plate is welded in the baffle ring, an inclined plate is welded and fixed outside the first vertical ring plate, a second vertical ring plate is fixedly welded on the inclined plate, and an upper inclined plate which is inwards and upwards arranged is fixed on the second vertical ring plate; a third vertical ring plate is adhered to the top of the box body or integrally formed, and a lower inclined plate which is outwards inclined and downwards inclined is fixed at the top of the third vertical ring plate; the third vertical ring plate is positioned at the outer side of the second vertical ring plate; the outer of the solid waterproof layer is coated with a flexible waterproof layer.

In a further improvement, the flexible waterproof layer is an SBC polyethylene polypropylene fiber composite waterproof coiled material.

In a further improvement, a second box body is fixed outside the box body, and a third box body is fixed outside the second box body; a first cavity is formed between the second box body and the box body, and a second cavity is formed between the second box body and the third box body; the bottom of the box body is connected with a third box body through a supporting block; an inner ring plate is fixed at the upper part of the second box body, and a liquid suction cavity is formed above the inner ring plate; an outer ring plate is fixed at the upper part of the third box body, and a liquid inlet cavity is formed above the outer ring plate; a plurality of liquid permeation holes are uniformly formed in the bottom of the second box body, the inner ring plate and the outer ring plate; the liquid suction cavity is communicated with the liquid inlet cavity through a communicating pipe, and a circulating pump is arranged on the communicating pipe; the first cavity and the second cavity are filled with transformer oil.

In a further improvement, a heat dissipation fin fan is fixed outside the third box body.

In a further improvement, the surfaces of the box body, the second box body and the third box body are coated with insulating paint.

In a further improvement, the inlet and the outlet of the communicating pipe are both connected with a liquid baffle plate through a connecting rod.

The utility model has the advantages that:

1, a rigid and flexible two-layer waterproof structure is adopted at the terminal penetrating position, so that the hidden danger that water flows into the transformer from the terminal penetrating position is effectively prevented.

And 2, the uniform absorption and circulation of transformer oil at each position in the first cavity by the circulating pump are ensured through the ring plate and the liquid-permeable holes, and the consistency and uniformity of the temperature at each position of the transformer are ensured.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of a waterproof structure at a terminal penetration portion.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention that are described in the embodiments are described in detail below.

The transformer with the constant temperature and voltage protection device shown in fig. 1-2 comprises a box body 1, wherein a connecting terminal 2 is inserted into the box body 1, the connecting terminal 2 penetrates through the box body 1 to be provided with a solid waterproof layer, the solid waterproof layer comprises an arc-shaped cover plate 3 welded or integrally formed with the connecting terminal 2, a baffle ring 4 is fixed at the outer end of the arc-shaped cover plate 3, a first vertical ring plate 5 is welded in the baffle ring 4, an inclined plate 6 is welded and fixed outside the first vertical ring plate 5, a second vertical ring plate 7 is fixedly welded on the inclined plate 6, and an upper inclined plate 8 which is inwards and upwards arranged is fixed on the second vertical ring plate 7; a third vertical ring plate 9 is adhered to the top of the box body 1 or integrally formed, and a lower inclined plate 10 which is inclined outwards and downwards is fixed to the top of the third vertical ring plate 9; the third vertical ring plate 9 is positioned at the outer side of the second vertical ring plate 7; the outer of the solid waterproof layer is coated with a flexible waterproof layer 21.

The flexible waterproof layer is SBC120 polyethylene polypropylene fiber composite waterproof coiled material.

A second box body 11 is fixed outside the box body 1, and a third box body 12 is fixed outside the second box body 11; a first cavity 22 is formed between the second box body 11 and the box body 1, and a second cavity 13 is formed between the second box body 11 and the third box body 12; the bottom of the box body 1 is connected with a third box body 12 through a supporting block; an inner ring plate 14 is fixed at the upper part of the second box body 11, and a liquid suction cavity 15 is formed above the inner ring plate 14; an outer ring plate 25 is fixed on the upper part of the third box body 12, and a liquid inlet cavity 16 is formed above the outer ring plate 25; a plurality of liquid permeation holes 17 are uniformly formed at the bottom of the second box body 11, the inner ring plate 14 and the outer ring plate 25; the liquid suction cavity 15 is communicated with the liquid inlet cavity 16 through a communicating pipe 18, and a circulating pump 19 is arranged on the communicating pipe 18; the first cavity 22 and the second cavity 13 are filled with transformer oil.

A heat dissipation fin fan 20 is fixed outside the third casing 12.

And insulating paint is coated on the surfaces of the box body 1, the second box body 11 and the third box body 12.

The inlet and the outlet of the communicating pipe 18 are connected with a liquid baffle plate 24 through a connecting rod 23.

The utility model discloses a waterproof construction, it is at first waterproof through the outside that flexible waterproof layer 21 formed the first layer, and because arc cover plate 3 and third erect ring board 9 respectively with connecting terminal and box integrated into one piece to it is waterproof to form the second floor rigidity that the junction does not have the gap, and the third erects ring board 9 top and 7 bottoms of second erect ring board and do not connect, thereby can not extrude each other because expend with heat and contract with cold and stress appears and lead to mutual extrusion to appear the gap. When flexible waterproof layer 21 appears the damage or water from the junction infiltration, the arc cover plate 3 and the third vertical ring board 9 of solid waterproof layer form the sheltering from of top and bottom respectively, prevent that water infiltration connecting terminal from piercing through the department of box to prevent the short circuit that water infiltration arouses.

And the transformer oil in the second tank 11 and the third tank 12 forms an insulating layer to prevent the transformer from discharging electricity to hurt passers-by, and can prevent the short circuit of the transformer from causing fire due to high temperature because of the high temperature resistance. When the transformer starts, the circulating pump also starts simultaneously, the solution of the first cavity enters the liquid suction cavity 15 through the liquid permeating holes 17 on the inner ring plate 14, due to the obstruction of the inner ring plate 14, the liquid baffle plate 24 enables the suction of the communicating pipe to be changed into circumferential suction, the suction at the inlet of the communicating pipe 18 is uniformly dispersed to each position of the top of the inner ring plate 14, the transformer oil in the first cavity is uniformly sucked out of the first cavity, and then is uniformly sprayed into each position of the second cavity 13 in the same way, and after the heat dissipation and cooling of the heat dissipation fin fan 20, the transformer oil is circulated back to the first cavity from the second box 11.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The transformer with the constant temperature and voltage protection device comprises a box body (1), wherein a connecting terminal (2) is inserted into the box body (1), and the transformer is characterized in that the connecting terminal (2) penetrates through the box body (1) to be installed with a solid waterproof layer which comprises an arc-shaped cover plate (3) welded or integrally formed with the connecting terminal (2), a baffle ring (4) is fixed at the outer end of the arc-shaped cover plate (3), a first vertical ring plate (5) is welded in the baffle ring (4), an inclined plate (6) is welded outside the first vertical ring plate (5), a second vertical ring plate (7) is fixedly welded on the inclined plate (6), and an upper inclined plate (8) which is inwards and upwards arranged is fixed on the second vertical ring plate (7); a third vertical ring plate (9) is adhered to the top of the box body (1) or integrally formed, and a lower inclined plate (10) which is outward and downward inclined is fixed at the top of the third vertical ring plate (9); the third vertical ring plate (9) is positioned at the outer side of the second vertical ring plate (7); the outer of the solid waterproof layer is coated with a flexible waterproof layer (21).

2. The transformer with thermostatic and voltage protection device according to claim 1, wherein the flexible waterproof layer is SBC120 polyethylene polypropylene composite waterproof coiled material.

3. The transformer with thermostatic and voltage protective device according to claim 1, characterized in that a second tank (11) is fixed outside the tank (1), and a third tank (12) is fixed outside the second tank (11); a first cavity (22) is formed between the second box body (11) and the box body (1), and a second cavity (13) is formed between the second box body (11) and the third box body (12); the bottom of the box body (1) is connected with a third box body (12) through a supporting block; an inner ring plate (14) is fixed at the upper part of the second box body (11), and a liquid suction cavity (15) is formed above the inner ring plate (14); an outer ring plate (25) is fixed at the upper part of the third box body (12), and a liquid inlet cavity (16) is formed above the outer ring plate (25); a plurality of liquid permeation holes (17) are uniformly formed at the bottom of the second box body (11), the inner ring plate (14) and the outer ring plate (25); the liquid suction cavity (15) is communicated with the liquid inlet cavity (16) through a communicating pipe (18), and a circulating pump (19) is arranged on the communicating pipe (18) in a communicating way; the first cavity (22) and the second cavity (13) are filled with transformer oil.

4. The transformer with thermostatic and voltage protective device according to claim 3, characterized in that a heat dissipating fin fan (20) is fixed outside the third tank (12).

5. The transformer with thermostat and voltage protector according to claim 3, characterized in that the surface of the tank (1), the second tank (11) and the third tank (12) are coated with insulating varnish.

6. The transformer with thermostatic and voltage protective device according to claim 3, characterized in that the inlet and outlet of the communicating pipe (18) are connected with a liquid baffle (24) through a connecting rod (23).