CN211788462U - Dust blockage prevention wound core transformer - Google Patents

Abstract

The utility model discloses a dust-blockage-proof wound iron core transformer, which comprises an outer casing, a transformer body is arranged in the outer casing, and a mounting seat is arranged at the lower end of the transformer body, the mounting seat is provided with a fan, and the mounting seat is provided with a fan. The lower end is provided with a bracket, the bracket is arranged on the sliding rail, and the bracket is provided with a fastening bolt, and the inner end of the fastening bolt penetrates the bracket and the sliding rail, the outer shell is provided with a heat sink, and the outer shell is provided with a heat sink. A connection housing is provided on the side. In the dust-blockage-proof wound iron core transformer, the connecting shell is communicated with the inside of the outer shell, and the outer side of the connecting shell is provided with ventilation holes that are inclined upward to reduce the accumulation of dust in the ventilation holes. At the same time, the connecting shell is provided with a first filter screen and The second filter screen is provided with a pendulum ball between the first filter screen and the second filter screen, and the pendulum ball hits the first filter screen and the second filter screen under the action of the wind, which is convenient for the first filter screen and the second filter screen. The dust is shot down, reducing the impact of dust on the ventilation effect.

Description

A kind of anti-dust blockage wound iron core transformer

technical field

The utility model relates to the technical field of transformers, in particular to a wound iron core transformer with anti-dust blockage.

Background technique

The transformer is a device that uses the principle of electromagnetic induction to change the AC voltage. The main components are the primary coil, the secondary coil and the iron core. The functions of the transformer are mainly: power conversion, current conversion, impedance conversion, etc. To a very important role, affecting the operation of the entire power transmission system, the traditional wound iron core transformer is usually provided with a casing, in order to achieve ventilation, the side of the casing is provided with ventilation holes, but the setting of the ventilation holes is easy to cause dust in the ventilation holes. Accumulation, and inconvenient to clean up, affecting the ventilation effect for a long time.

Utility model content

The purpose of this utility model is to provide a kind of anti-dust clogging wound iron core transformer, so as to solve the problem that the side of the casing proposed in the above-mentioned background art is provided with ventilation holes, but the arrangement of the ventilation holes easily causes dust to accumulate at the ventilation holes, and It is inconvenient to clean and affects the ventilation effect for a long time.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an anti-dust blockage wound iron core transformer, comprising an outer casing, a transformer body is arranged in the outer casing, and a mounting seat is arranged at the lower end of the transformer body, and the mounting seat A fan is arranged on the upper part, and a bracket is arranged at the lower end of the mounting seat. The bracket is arranged on the slide rail, and a fastening bolt is arranged on the bracket. At the same time, the inner end of the fastening bolt penetrates the bracket and the sliding rail. There are cooling fins, and the side surface of the outer casing is provided with a connecting casing.

The mounting seat is provided with three fans, and the fans are respectively corresponding to the lower part of the three-dimensional three-dimensional wound iron core of the transformer body. The fastening bolt passes through the bracket and the slide rail is threadedly connected, the heat sinks are evenly distributed on the outer casing, and the left and right sides of the outer casing are provided with connecting casings, the connecting casings include a pull plate, a first The filter screen, the second filter screen, the connecting rod and the pendulum ball, and the pull plate is arranged on the connection shell, the lower end of the pull plate is provided with a first filter screen and a second filter screen, and the first filter screen is arranged on the second filter screen On the outside of the net, a connecting rod is arranged between the first filter screen and the second filter screen, and a pendulum ball is arranged on the connecting rod.

Compared with the prior art, the beneficial effect of the utility model is: the dust-blocked wound iron core transformer,

(1) The side of the outer casing is provided with a connecting casing, which communicates with the inside of the outer casing, and the outer side of the connecting casing is provided with ventilation holes that are inclined upward to reduce the accumulation of dust in the ventilation holes. A filter screen and a second filter screen, and a pendulum ball is arranged between the first filter screen and the second filter screen. The dust on the second filter screen is shot down to reduce the impact of dust on the ventilation effect;

(2) The fan on the mounting base corresponding to the wound iron core improves the heat dissipation of the transformer body. At the same time, the heat sink provided at the same time enhances the heat transfer in the outer casing and enhances the heat dissipation effect. The fixing bolts are installed and fixed on the slide rail, which is convenient for fixing and dismantling for maintenance.

Description of drawings

Fig. 1 is the front view sectional structure schematic diagram of the utility model;

Fig. 2 is the left side view sectional structure schematic diagram of the utility model;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 of the present utility model.

In the picture: 1. Outer body, 2. Transformer body, 3. Mounting seat, 4. Fan, 5. Bracket, 6. Slide rail, 7. Fastening bolt, 8. Heat sink, 9. Connection shell, 901, Pull plate, 902, first filter, 903, second filter, 904, connecting rod, 905, pendulum ball.

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 a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: an anti-dust blockage wound iron core transformer, the outer casing 1 is provided with a transformer body 2, and the lower end of the transformer body 2 is provided with a mounting seat 3, the mounting seat 3 is provided with a fan 4, and the lower end of the mounting seat 3 is provided with a bracket 5, the bracket 5 is arranged on the slide rail 6, and the bracket 5 is provided with a fastening bolt 7, and the inner end of the fastening bolt 7 penetrates the bracket 5 and the slide. The rail 6, the outer casing 1 is provided with a cooling fin 8, and the side surface of the outer casing 1 is provided with a connecting casing 9.

Specifically, three fans 4 are arranged on the mounting base 3 , and the fans 4 are respectively corresponding to the lower part of the three-dimensional three-dimensional wound iron core of the transformer body 2 , and the heat dissipation of the transformer body 2 is enhanced by the fans 4 .

Specifically, the mounting seat 3 is slidably connected to the slide rail 6 through the bracket 5 , and there are two slide rails 6 .

Specifically, the fastening bolts 7 pass through the bracket 5 and the slide rails 6 are threadedly connected, and are fixed by the fastening bolts 7, which is convenient for disassembly and maintenance.

Specifically, the cooling fins 8 are evenly distributed on the outer casing 1, and the left and right sides of the outer casing 1 are provided with connecting casings 9. The cooling fins 8 enhance the heat transfer from the outer casing 1 and enhance the heat dissipation effect.

Specifically, the connection housing 9 includes a pull plate 901 , a first filter screen 902 , a second filter screen 903 , a connecting rod 904 and a pendulum ball 905 , and the pull plate 901 is arranged on the connection shell 9 , and the lower end of the pull plate 901 A first filter screen 902 and a second filter screen 903 are provided, and the first filter screen 902 is arranged on the outer side of the second filter screen 903, and a connecting rod 904 is provided between the first filter screen 902 and the second filter screen 903, and The connecting rod 904 is provided with a pendulum ball 905, the side of the connecting shell 9 is provided with ventilation holes that are inclined upward, and the second filter screen 903 and the first filter screen 902 are slidingly connected to the inner side wall of the connecting shell 9, and the connecting shell 9 is provided with a sliding connection. A seal is provided at the contact between the body 9 and the pull plate 901 .

Working principle: When using the dust-blocked wound iron core transformer, the transformer body 2 is supported and placed by the mounting seat 3, the bracket 5 and the sliding rail 6, and the fastening bolt 7 is used to penetrate the bracket 5 and screw it on the sliding rail 6. The transformer body 2 is fixed to facilitate disassembly and maintenance. The heat sink 8 enhances the heat transfer in the outer casing 1 and enhances the heat dissipation effect. A temperature sensor can be set in the outer casing 1. The temperature sensor model is CWDZ11, and the fan 4 is monitored and controlled by the temperature sensor to speed up The flow of heat in the outer casing 1 accelerates the heat dissipation of the transformer body 2, and the ventilation holes provided on the casing 9 are connected upward, which can reduce the accumulation of dust in the ventilation holes. At the same time, the first filter screen 902 and the second filter screen 903 Reduce dust entering the outer casing 1, and at the same time, the pendulum ball 905 hits the first filter screen 902 and the second filter screen 903 under the action of the wind, so as to facilitate the dust on the first filter screen 902 and the second filter screen 903 to be shot down and reduce the impact of dust on the The lower end of the connection housing 9 may be provided with a flip cover to facilitate the cleaning of internal dust. The content not described in detail in this specification belongs to the prior art known to those skilled in the art.

The terms "center", "portrait", "horizontal", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, and is only a simplified description for the convenience of describing the present invention, rather than indicating or implying that the indicated device or element must have a specific Orientation, construction and operation are specific orientations, and therefore should not be construed as limiting the protection content of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principle of the present invention, any modifications, equivalent replacements, improvements, etc. made should be included within the protection scope of the present invention.

Claims (6)

1. The utility model provides a roll up iron core transformer that dust blocking prevention blockked up, includes shell body (1), its characterized in that: be provided with transformer body (2) in shell body (1), and transformer body (2) lower extreme is provided with mount pad (3), be provided with fan (4) on mount pad (3), and the lower extreme of mount pad (3) is provided with support (5), support (5) set up on slide rail (6), and are provided with fastening bolt (7) on support (5), and fastening bolt (7) inner runs through support (5) and slide rail (6) simultaneously, be provided with fin (8) on shell body (1), and the side of shell body (1) is provided with connecting shell (9).

2. The dust blocking resistant wound core transformer of claim 1, wherein: the three fans (4) are arranged on the mounting base (3), and the fans (4) are respectively corresponding to the lower portions of the three-dimensional rolled iron cores of the transformer body (2).

3. The dust blocking resistant wound core transformer of claim 1, wherein: the mounting seat (3) is connected with the sliding rail (6) in a sliding mode through the support (5), and the number of the sliding rails (6) is two.

4. The dust blocking resistant wound core transformer of claim 1, wherein: the fastening bolt (7) penetrates through the bracket (5) and is in threaded connection with the sliding rail (6).

5. The dust blocking resistant wound core transformer of claim 1, wherein: the radiating fins (8) are evenly distributed on the outer shell (1), and the left side and the right side of the outer shell (1) are provided with connecting shells (9).

6. The dust blocking resistant wound core transformer of claim 1, wherein: connect casing (9) including arm-tie (901), first filter screen (902), second filter screen (903), connecting rod (904) and pendulum ball (905), and arm-tie (901) set up on connecting casing (9), and the lower extreme of arm-tie (901) is provided with first filter screen (902) and second filter screen (903), and first filter screen (902) set up the outside at second filter screen (903), is provided with connecting rod (904) between first filter screen (902) and second filter screen (903), and is provided with pendulum ball (905) on connecting rod (904).

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