CN215770768U

CN215770768U - Dry-type transformer with air cooling structure

Info

Publication number: CN215770768U
Application number: CN202121010763.6U
Authority: CN
Inventors: 杨勇; 张学良
Original assignee: Wuhan Wuchang Electric Control Equipment Co ltd
Current assignee: Wuhan Wuchang Electric Control Equipment Co ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-02-08
Anticipated expiration: 2031-05-12

Abstract

The utility model discloses a dry-type transformer with an air cooling structure, which comprises a box body, wherein a transformer body is arranged in the box body, the bottom of the transformer body is connected with a steel frame, a supporting seat is arranged below the transformer body, the top of the supporting seat is connected with a positioning strip, the positioning strip is fixedly connected with the steel frame through screws, the left side and the right side of the supporting seat are symmetrically connected with sliding blocks, guide grooves are symmetrically formed in the left side and the right side of the lower part of the inner side wall of the box body, and the sliding blocks are connected with the guide grooves in a sliding manner; the transformer body mounting structure is reasonable in structural design, capable of rapidly completing installation of the transformer body, simple in operation, beneficial to guaranteeing the heat dissipation effect, convenient to overhaul and replace a fault fan and high in practicability. The method is suitable for the power system.

Description

Dry-type transformer with air cooling structure

Technical Field

The utility model relates to the technical field of transformer equipment, in particular to a dry-type transformer with an air cooling structure.

Background

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, wharf CNC machines and other places, and simply, dry-type transformers refer to transformers in which iron cores and windings are not immersed in insulating oil. The cooling method is divided into natural air cooling and forced air cooling. During natural air cooling, the transformer can continuously operate for a long time under the rated capacity. When forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. The device is suitable for intermittent overload operation or emergency accident overload operation; because the load loss and the impedance voltage amplification are large during overload and the device is in a non-economic operation state, the device is not required to be in continuous overload operation for a long time.

The transformer can produce a large amount of heat energy at the during operation, in order to ensure its normal operating, is provided with cooling arrangement at the transformer surface usually, adopts the fixed connection mode mostly during the installation, is difficult for maintaining the inside position when breaking down and overhauls, for this reason, we have provided a dry-type transformer of taking forced air cooling structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dry-type transformer with an air cooling structure, which aims to overcome the technical problems in the prior art.

In order to achieve the technical purpose and achieve the technical effect, the utility model provides the following technical scheme:

a dry-type transformer with an air cooling structure comprises a box body, wherein a transformer body is arranged in the box body, the bottom of the transformer body is connected with a steel frame, a supporting seat is arranged below the transformer body, the top of the supporting seat is connected with a positioning strip, the positioning strip and the steel frame are fixedly connected through screws, sliding blocks are symmetrically connected to the left side and the right side of the supporting seat, guide grooves are symmetrically formed in the left side and the right side of the lower portion of the inner side wall of the box body, and the sliding blocks are connected with the guide grooves in a sliding mode;

the utility model discloses a support seat, including supporting seat, transmission chamber, the inner chamber top center of transmission chamber is rotated and is connected with the zhong zhu, the lower extreme of zhong zhu is connected with the mounting panel, four groups of miniature fan are installed to the gomphosis on the mounting panel, the outer wall connection of zhong zhu has the worm wheel, the front end of supporting seat is rotated and is connected with the worm, the one end that the worm stretches out the supporting seat is connected with the hand wheel, the worm stretches into one section meshing connection worm wheel in transmission chamber.

Preferably, in the dry-type transformer with the air cooling structure, the left side wall and the right side wall of the box body are movably inserted with U-shaped rods, the end part of each U-shaped rod extending into the corresponding guide groove is connected with a clamping block, the clamping block is connected with the corresponding guide groove in a sealing and sliding manner, one end, close to the supporting seat, of each clamping block is connected with a pin, a reset spring is connected between the other end of each clamping block and the inner wall of the corresponding guide groove, and a pin hole matched with the pin is formed in each sliding block.

Preferably, in the dry-type transformer with the air cooling structure, a vent is formed in the side wall of the box body, an opening at one side of the vent, which is close to the transformer body, is inclined and arranged upwards, and a filter screen is arranged in the vent.

Preferably, in the dry-type transformer with the air cooling structure, a baffle is connected above the box body, a free telescopic rod is connected between the baffle and the box body, and a damping spring is sleeved outside the free telescopic rod.

Preferably, in the dry-type transformer with the air cooling structure, the bottom of the inner cavity of the box body is connected with a plurality of groups of universal ball heads, and the upper ends of the universal ball heads are abutted to the mounting plate.

Preferably, in the dry-type transformer with the air cooling structure, four groups of the micro-fan circuits are arranged in parallel, and the air outlet end of the micro-fan faces the transformer body.

The utility model has the beneficial effects that:

the transformer body mounting device is reasonable in structural design, the steel frame is fixedly connected to the positioning strip through the screws, the U-shaped rod is loosened to enable the reset spring to drive the clamping block to reset, the pin columns can extend into the pin holes of the sliding blocks to be limited and fixed, the transformer body can be rapidly mounted, and the transformer body mounting device is simple to operate; the air-cooled cooling is carried out towards the blowing of transformer body to micro fan air-out end, the hot gas flow in the box is effluvium by the vent, the vent is close to the ascending setting of opening slope of transformer body one side, rainwater is irritated backward in the time of can preventing overcast and rainy weather, be equipped with the filter screen in the vent, can prevent the invasion of outside dirt impurity, each group micro fan motor sets up in parallel, be favorable to ensureing the radiating effect, through worm meshing transmission worm wheel, make the well pivot drive mounting panel rotation adjustment micro fan position, be convenient for overhaul the change to trouble fan, therefore, the clothes hanger is strong in practicability.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without inventive labor.

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

FIG. 2 is a schematic structural view of the support base of the present invention;

fig. 3 is a schematic view of the internal structure of the guide groove in the present invention.

In the figure: 1. a box body; 2. a transformer body; 3. a steel frame; 4. a supporting seat; 5. a positioning bar; 6. a slider; 7. a guide groove; 8. a transmission cavity; 9. a middle rotating shaft; 10. mounting a plate; 11. a micro fan; 12. a worm gear; 13. a worm; 14. a hand wheel; 15. a U-shaped rod; 16. a clamping block; 17. a pin; 18. a return spring; 101. a vent; 102. a baffle plate; 103. a free telescopic rod; 104. a damping spring; 105. a universal ball head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the dry-type transformer with the air cooling structure of the present embodiment includes a box 1, a transformer body 2 is disposed in the box 1, a steel frame 3 is connected to the bottom of the transformer body 2, a support seat 4 is disposed below the transformer body 2, a positioning bar 5 is connected to the top of the support seat 4, the positioning bar 5 and the steel frame 3 are fixedly connected by screws, sliders 6 are symmetrically connected to the left and right sides of the support seat 4, guide grooves 7 are symmetrically formed in the lower portion of the inner side wall of the box 1, and the sliders 6 are slidably connected to the guide grooves 7; the lower extreme of supporting seat 4 has been seted up transmission chamber 8, and the center of the inner chamber top of transmission chamber 8 rotates and is connected with well pivot 9, and the lower extreme of well pivot 9 is connected with mounting panel 10, and four groups of miniature fan 11 are installed to the gomphosis on mounting panel 10, and the outer wall of well pivot 9 is connected with worm wheel 12, and the front end of supporting seat 4 rotates and is connected with worm 13, and the one end that worm 13 stretches out supporting seat 4 is connected with hand wheel 14, and worm 13 stretches into one section meshing connection worm wheel 12 of transmission chamber 8.

The left side wall and the right side wall of the box body 1 are movably inserted with U-shaped rods 15, the end portions, extending into the guide grooves 7, of the U-shaped rods 15 are connected with clamping blocks 16, the clamping blocks 16 are connected with the guide grooves 7 in a sealing and sliding mode, one ends, close to the supporting seats 4, of the clamping blocks 16 are connected with pin columns 17, reset springs 18 are connected between the other ends of the clamping blocks 16 and the inner walls of the guide grooves 7, and pin holes matched with the pin columns 17 are formed in the sliding blocks 6.

The side wall of the box body 1 is provided with a vent 101, the vent 101 is obliquely and upwards arranged close to the opening on one side of the transformer body 2, and a filter screen is arranged in the vent 101 and can prevent rainwater from flowing backwards.

The top of box 1 is connected with baffle 102, is connected with free telescopic link 103 between baffle 102 and the box 1, and the outside cover of free telescopic link 103 is equipped with damping spring 104, can play the shock attenuation protection effect to box 1.

The bottom of the inner cavity of the box body 1 is connected with a plurality of groups of universal bulbs 105, and the upper ends of the universal bulbs 105 are abutted to the mounting plate 10, so that the auxiliary supporting effect can be achieved.

The four groups of micro fans 11 are arranged in parallel, and the air outlet ends of the micro fans 11 face the transformer body 2, so that heat generated when the transformer body 2 works can be taken away conveniently.

The specific implementation mode of the utility model is as follows:

the device is convenient to install, the U-shaped rods 15 are pulled towards two sides to enable the clamping blocks 16 to be far away from the sliding blocks 6, the sliding blocks 6 can move to the front ends along the guide grooves 7, so that the supporting seats 4 extend out of the box body 1, the steel frame 3 is fixedly connected to the positioning strips 5 through screws, installation of the transformer body 2 is completed, after the transformer body 2 is sent into the box body 1, the U-shaped rods 15 are loosened to enable the reset springs 18 to drive the clamping blocks 16 to reset, and the pin columns 17 can extend into pin holes of the sliding blocks 6 to be limited and fixed; start miniatures fan 11 at transformer body 2 during operation, miniatures fan 11 air-out end blows towards transformer body 2 and carries out the forced air cooling, the hot gas flow in the box 1 is dispelled by vent 101, vent 101 is close to the opening slope of transformer body 2 one side and upwards sets up, rainwater flows backward in the time of can preventing overcast and rainy weather, be equipped with the filter screen in the vent 101, can prevent the invasion of outside dirt impurity, each set of miniatures fan 11 motor sets up in parallel, when one set of miniatures fan 11 breaks down, other fans still can normal operating, be favorable to ensureing the radiating effect, rotate worm 13 through hand wheel 14, worm 13 meshes transmission worm wheel 12, it is rotatory to make well pivot 9 drive mounting panel 10, can adjust miniatures fan 11's position, be convenient for make trouble fan towards box 1 opening, thereby conveniently overhaul the going on of change work, therefore, the clothes hanger is strong in practicability.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a take dry-type transformer of forced air cooling structure, includes box (1), its characterized in that: a transformer body (2) is arranged in the box body (1), the bottom of the transformer body (2) is connected with a steel frame (3), a supporting seat (4) is arranged below the transformer body (2), the top of the supporting seat (4) is connected with a positioning strip (5), the positioning strip (5) is fixedly connected with the steel frame (3) through screws, sliding blocks (6) are symmetrically connected to the left side and the right side of the supporting seat (4), guide grooves (7) are symmetrically formed in the left side and the right side of the lower portion of the inner side wall of the box body (1), and the sliding blocks (6) are slidably connected with the guide grooves (7);

transmission chamber (8) have been seted up to the lower extreme of supporting seat (4), the inner chamber top center of transmission chamber (8) is rotated and is connected with well pivot (9), the lower extreme of well pivot (9) is connected with mounting panel (10), four groups of micro fan (11) are installed to the gomphosis on mounting panel (10), the outer wall connection of well pivot (9) has worm wheel (12), the front end of supporting seat (4) is rotated and is connected with worm (13), the one end that supporting seat (4) are stretched out in worm (13) is connected with hand wheel (14), worm (13) stretch into one section meshing connection worm wheel (12) of transmission chamber (8).

2. The dry-type transformer with the air cooling structure as claimed in claim 1, wherein: the movable pin box is characterized in that U-shaped rods (15) are movably inserted into the left side wall and the right side wall of the box body (1), the end portions, extending into the guide grooves (7), of the U-shaped rods (15) are connected with clamping blocks (16), the clamping blocks (16) are connected with the guide grooves (7) in a sealing and sliding mode, one ends, close to the supporting seats (4), of the clamping blocks (16) are connected with pin columns (17), reset springs (18) are connected between the other ends of the clamping blocks (16) and the inner walls of the guide grooves (7), and pin holes matched with the pin columns (17) are formed in the sliding blocks (6).

3. The dry-type transformer with the air cooling structure as claimed in claim 1, wherein: the side wall of the box body (1) is provided with a vent (101), the vent (101) is close to the opening on one side of the transformer body (2) and is inclined to be arranged upwards, and a filter screen is arranged in the vent (101).

4. The dry-type transformer with the air cooling structure as claimed in claim 1, wherein: the shock-absorbing box is characterized in that a baffle (102) is connected above the box body (1), a free telescopic rod (103) is connected between the baffle (102) and the box body (1), and a shock-absorbing spring (104) is sleeved outside the free telescopic rod (103).

5. The dry-type transformer with the air cooling structure as claimed in claim 1, wherein: the bottom of the inner cavity of the box body (1) is connected with a plurality of groups of universal bulbs (105), and the upper ends of the universal bulbs (105) are abutted to the mounting plate (10).

6. The dry-type transformer with the air cooling structure as claimed in claim 1, wherein: the four groups of micro-fans (11) are arranged in parallel, and the air outlet end of each micro-fan (11) faces the transformer body (2).