CN213519449U

CN213519449U - Short-circuit-proof transformer

Info

Publication number: CN213519449U
Application number: CN202022723779.3U
Authority: CN
Inventors: 李江; 费亚琴; 郭强; 栾海隆
Original assignee: Xi'an High Voltage Electrical Appliance Research Institute Changzhou Co ltd
Current assignee: Xi'an High Voltage Electrical Appliance Research Institute Changzhou Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-06-22
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a prevent transformer of short circuit, including the outer container, outer container bottom four corners all is provided with the supporting legs, the inside inner box that is provided with of outer container, the inner box bottom end, top and both sides all are provided with a plurality of align to grid and are the spring that the rectangle distributes, the one end that the inner box was kept away from to the spring is fixed at the outer container inside wall, inner box door has been seted up to one of them lateral wall that is not provided with the spring of inner box, the outer container is provided with outer chamber door with the lateral wall of inner box door homonymy, the inner box bottom is provided with the mounting panel, the mounting panel top is fixed with equipment, mounting panel bottom central point puts and is provided with the. Has the advantages that: through the double-deck structural design of outer container and inner box, when improving the rain-proof dampproofing ability of this transformer greatly, can guarantee the good heat dissipation of inside work equipment to avoid the transformer because wet or overheated lead to the short circuit, improve the adaptability and the security of transformer.

Description

Short-circuit-proof transformer

Technical Field

The utility model relates to a transformer technical field particularly, relates to a prevent transformer of short circuit.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the main functions of: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), and the like, and can be classified into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

With the continuous development of society, transformers are widely used in various industries, however, some unforeseen problems still occur in practical use, such as easy short circuit of a voltage device, easy short circuit of a high temperature or the influence of humidity, etc., and once a transformer is short-circuited, inconvenience is easily brought to the life of people nearby, and serious people may be dangerous. Most of the existing transformers have simple functions, are inconvenient for checking and replacing internal equipment of the transformers, and are difficult to deal with various emergency situations.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a prevent transformer of short circuit possesses effectual improvement and prevents the short circuit performance, improves the advantage of the security in the use, and then there is the dangerous problem of short circuit in the transformer.

(II) technical scheme

For realizing the aforesaid possess effectual improvement and prevent the short circuit performance, improve the advantage of the security in the use, the utility model discloses a concrete technical scheme as follows:

a short-circuit-proof transformer comprises an outer box, wherein four corners of the bottom end of the outer box are respectively provided with a supporting leg, an inner box is arranged in the outer box, a plurality of springs which are uniformly arranged and distributed in a rectangular shape are arranged at the bottom end, the top end and two sides of the inner box, one end of each spring, which is far away from the inner box, is fixed on the inner side wall of the outer box, one side wall of the inner box, which is not provided with the spring, is provided with an inner box door, the side wall of the outer box, which is at the same side as the inner box door, is provided with an outer box door, the inner bottom of the inner box is provided with a mounting plate, the top end of the mounting plate is fixedly provided with working equipment, the central position of the bottom end of the mounting plate is provided with a sliding block, the bottom end of the inner box is provided with a, and a fan cover is arranged on one side of the outer box, which is far away from the outer box door, and a rain shielding cover is arranged at the top of the outer box.

Further, in order to enable an operator to visually observe the temperature and humidity condition inside the transformer and avoid short circuit caused by overhigh temperature and humidity, the top of the inner box door is provided with a temperature and humidity sensor, and the top of the outer box door is provided with a display panel.

Further, in order to enable the mounting plate to be capable of sliding out of the mounting plate through the supporting bars more easily, pressure on the threaded rod is reduced simultaneously, the bottom end of the mounting plate is arranged on two sides of the sliding block and is provided with a plurality of supporting bars which are evenly distributed, and the supporting bars, the sliding grooves, the threaded holes and the threaded rod are parallel to each other.

Further, in order to make the slider can drive the mounting panel and realize the translation above the threaded rod, the screw hole is with threaded rod matched with internal thread structure.

Furthermore, in order to enable an operator to rotate the rotary disc and the threaded rod more conveniently and more laborsavingly, and further to complete the pushing and pulling of the mounting plate, a rotary handle is arranged on the outer edge of the circumference of one side of the rotary disc, which is close to the outer box door.

Further, in order to realize ventilation inside the transformer, the heat generated by the working equipment is conducted to further complete the heat dissipation function of the transformer, a plurality of inner vent grooves which are uniformly arranged and distributed in a rectangular shape are arranged on two sides of the inner box and between the springs, and a plurality of outer vent grooves which are uniformly arranged and distributed in a rectangular shape are arranged on two sides of the outer box.

Further, in order to prevent the external air channel from flowing rainwater and ensure the drying of the inside of the outer box, the external air channel is of an inclined structure which gradually decreases along the direction from the inside of the outer box to the outside of the outer box.

Furthermore, in order to enable the air cooler to transfer the hot air inside to the outside to realize heat dissipation and simultaneously prevent rainwater from flowing into the outer box along the fan cover, an air ventilation net is arranged at one end, away from the outer box, of the fan cover, and the fan cover is of an inclined structure which gradually reduces along the direction from the outer box to the air ventilation net.

(III) advantageous effects

Compared with the prior art, the utility model provides a prevent transformer of short circuit possesses following beneficial effect:

(1) through the double-deck structural design of outer container and inner box, when improving the rain-proof dampproofing ability of this transformer greatly, can guarantee the good heat dissipation of inside work equipment to avoid the transformer because wet or overheated lead to the short circuit, improve the adaptability and the security of transformer.

(2) Through setting up structures such as mounting panel, slider and threaded rod, can be simple realize taking out and fixing the equipment of fixing on the mounting panel to make things convenient for the workman to inspect the change to inside ageing device, and then prevent that equipment of working is inside ageing to arouse the short circuit.

(3) Through set up the spring all around including the case, can play the fixed action to interior equipment, guarantee the stability of interior equipment under the special condition that receives outside striking simultaneously, prevent that the transformer from receiving the striking and leading to the crisscross danger that takes place the short circuit of coil.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic front view of a short-circuit prevention transformer according to an embodiment of the present invention;

fig. 2 is a front cross-sectional view of a short-circuit prevention transformer according to an embodiment of the present invention;

fig. 3 is a side cross-sectional view of a short-circuit prevention transformer according to an embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 2.

In the figure:

1. an outer box; 2. supporting legs; 3. an inner box; 4. a spring; 5. an inner box door; 6. an outer box door; 7. mounting a plate; 8. a working device; 9. a slider; 10. a chute; 11. a threaded hole; 12. a threaded rod; 13. a fixed mount; 14. a turntable; 15. an air cooler; 16. a fan guard; 17. a rain cover; 18. a temperature and humidity sensor; 19. a display panel; 20. a supporting strip; 21. rotating the handle; 22. an inner vent groove; 23. an outer vent channel; 24. and (5) ventilating the net.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a prevent transformer of short circuit.

Referring now to the drawings and the detailed description, as shown in fig. 1-4, the short-circuit prevention transformer according to the embodiment of the present invention comprises an outer case 1, four corners of the bottom end of the outer case 1 are provided with support legs 2, an inner case 3 is disposed inside the outer case 1, a plurality of springs 4 are uniformly arranged at the bottom end, the top end and both sides of the inner case 3, one end of each spring 4 away from the inner case 3 is fixed on the inner side wall of the outer case 1, one side wall of the inner case 3 not provided with the spring 4 is provided with an inner case door 5, the side wall of the outer case 1 at the same side as the inner case door 5 is provided with an outer case door 6, the bottom of the inner case 3 is provided with a mounting plate 7, the top end of the mounting plate 7 is fixed with a working device 8, the bottom center of the mounting plate 7 is provided with a slide block 9, the bottom end of the, threaded rod 12 is inserted in threaded hole 11, threaded rod 12 both ends are all fixed at the bottom in outer box 1 through mount 13, and threaded rod 12 runs through mount 13 and is connected with carousel 14 near the one end of outer box door 6, and one side that inner box 3 kept away from inner box door 5 is provided with air-cooler 15, and one side that outer box door 6 was kept away from to outer box 1 is provided with

fan cover

16, and 1 top of outer box is provided with rain cover 17.

By means of the technical scheme, through the double-deck structural design of outer container 1 and inner box 3, when improving the rain-proof dampproofing ability of this transformer greatly, can guarantee the good heat dissipation of inside work equipment to avoid the transformer because wet or overheated lead to the short circuit, improve the adaptability and the security of transformer. Through setting up mounting panel 7, slider 9 and threaded rod 12 isotructure, can be simple to fix the equipment 8 realization on mounting panel 7 and take out and fix to make things convenient for the workman to inspect the change to the inside ageing device, and then prevent that the ageing of the inside device of equipment 8 from arousing the short circuit. Through set up spring 4 around inner box 3, can play the fixed action to interior equipment 8, guarantee interior equipment 8's stability under the special condition that receives outside striking simultaneously, prevent that the transformer from receiving the striking and leading to the crisscross danger that takes place the short circuit of coil.

In an embodiment, for the inner box door 5, the top of the inner box door 5 is provided with the temperature and humidity sensor 18, and the top of the outer box door 6 is provided with the display panel 19, so that an operator can visually observe the temperature and humidity condition inside the transformer, and the short circuit caused by overhigh temperature and humidity is avoided.

In one embodiment, for the mounting plate 7, a plurality of supporting bars 20 are uniformly arranged at the bottom end of the mounting plate 7 and at two sides of the sliding block 9, and the supporting bars 20, the sliding grooves 10, the threaded holes 11 and the threaded rods 12 are parallel to each other, so that the mounting plate 7 can slide out of the mounting plate 7 more easily through the supporting bars 20, and the pressure on the threaded rods 12 is reduced.

In one embodiment, for the threaded hole 11, the threaded hole 11 is an internal thread structure that is matched with the threaded rod 12, so that the sliding block 9 can drive the mounting plate 7 to translate above the threaded rod 12.

In one embodiment, for the rotary plate 14, a rotary handle 21 is arranged on the outer edge of the circumference of one side of the rotary plate 14 close to the outer box door 6, so that an operator can rotate the rotary plate 14 and the threaded rod 12 more conveniently and more laborsavingly, and further push and pull the mounting plate 7.

In an embodiment, for the inner box 3, a plurality of inner air grooves 22 are uniformly arranged on two sides of the inner box 3 and between the plurality of springs 4, and a plurality of outer air grooves 23 are uniformly arranged on two sides of the outer box 1, so that ventilation is realized inside the transformer, heat generated by the working equipment 8 is conducted, and the heat dissipation function is completed.

In one embodiment, the outer air channel 23 is an inclined structure gradually decreasing along the direction from the inside of the outer box 1 to the outside of the outer box 1, so that the outer air channel 23 does not flow rainwater, and the inside of the outer box 1 is dry.

In one embodiment, for the fan guard 16, an end of the fan guard 16 away from the outer box 1 is provided with an air vent net 24, and the fan guard 16 is in an inclined structure gradually decreasing along the direction from the outer box 1 to the air vent net 24, so that the air cooler 15 can transfer hot air inside to the outside to dissipate heat, and simultaneously rain water is prevented from flowing into the inner part of the outer box 1 along the fan guard 16.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

During practical application, an operator installs working equipment on the top end of the mounting plate 7, and rotates the rotating handle 21, so that the threaded rod 12 rotates and drives the sliding block 9 and the mounting plate 7 to move towards the inside of the inner box 3 until the threaded rod moves to the central position, and after the interface is switched on, the inner box door 5 and the outer box door 6 are closed, so that the transformer starts to work. The air cooler 15 is turned on, heat generated by the working equipment 8 inside the inner box 3 can be conducted to the side wall of the inner box 3 and air, the air cooler 15 conducts the heat on the side wall of the inner box 3 and the heat in the air to the outside of the transformer through the air ventilation net 24, and meanwhile, the air intake of the outer air duct 23 is matched, so that the outside cold air can continuously enter the outer box 1 to dissipate heat of the working equipment.

Through the spring 4 of 3 tops of inner box, bottom and both sides, inner box 3 can remain stable, when outer container 1 suffered the striking, because spring 4's effect, inner box 3 can avoid or reduce vibrations to prevent that operating equipment 8 from taking place skew and vibrations, avoid coil and wire crisscross and skew to produce the short circuit.

To sum up, with the help of the above technical scheme of the utility model, through outer container 1 and the double-deck structural design of inner box 3, when improving the rain-proof dampproofing ability of this transformer greatly, can guarantee the good heat dissipation of inside work equipment to avoid the transformer because wet or overheated lead to the short circuit, improve the adaptability and the security of transformer. Through setting up mounting panel 7, slider 9 and threaded rod 12 isotructure, can be simple to fix the equipment 8 realization on mounting panel 7 and take out and fix to make things convenient for the workman to inspect the change to the inside ageing device, and then prevent that the ageing of the inside device of equipment 8 from arousing the short circuit. Through set up spring 4 around inner box 3, can play the fixed action to interior equipment 8, guarantee interior equipment 8's stability under the special condition that receives outside striking simultaneously, prevent that the transformer from receiving the striking and leading to the crisscross danger that takes place the short circuit of coil.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The short-circuit-preventing transformer is characterized by comprising an outer box (1), wherein supporting legs (2) are arranged at four corners of the bottom end of the outer box (1), an inner box (3) is arranged inside the outer box (1), a plurality of springs (4) which are uniformly arranged and distributed in a rectangular shape are arranged at the bottom end, the top end and two sides of the inner box (3), one end, far away from the inner box (3), of each spring (4) is fixed on the inner side wall of the outer box (1), an inner box door (5) is arranged on one side wall, not provided with the springs (4), of the inner box (3), an outer box door (6) is arranged on the side wall, on the same side of the outer box (1) and the inner box door (5), a mounting plate (7) is arranged at the bottom inside of the inner box (3), a working device (8) is fixed at the top end of the mounting plate (7), a sliding block (, inner box (3) bottom seted up with slider (9) matched with spout (10), threaded hole (11) have been seted up to slider (9) bottom, threaded hole (11) inside interlude threaded rod (12), threaded rod (12) both ends are all fixed through mount (13) bottom in outer container (1), threaded rod (12) are close to the one end of outer container door (6) is run through mount (13) are connected with carousel (14), inner box (3) are kept away from one side of inner container door (5) is provided with air-cooler (15), outer container (1) is kept away from one side of outer container door (6) is provided with fan cover (16), outer container (1) top is provided with rain cover (17).

2. The short-circuit prevention transformer of claim 1, wherein a temperature and humidity sensor (18) is arranged on the top of the inner box door (5), and a display panel (19) is arranged on the top of the outer box door (6).

3. The short-circuit prevention transformer of claim 1, wherein a plurality of support bars (20) are uniformly arranged at the bottom end of the mounting plate (7) and at two sides of the sliding block (9), and the support bars (20), the sliding groove (10), the threaded hole (11) and the threaded rod (12) are parallel to each other.

4. A short-circuit-proof transformer as claimed in claim 3, characterized in that the threaded hole (11) is an internal thread structure cooperating with the threaded rod (12).

5. The short-circuit prevention transformer of claim 1, wherein the turntable (14) is provided with a rotary handle (21) at the outer circumference of one side close to the outer box door (6).

6. The short-circuit prevention transformer of claim 1, wherein a plurality of inner ventilation grooves (22) are uniformly arranged and distributed in a rectangular shape on both sides of the inner box (3) and between the plurality of springs (4), and a plurality of outer ventilation grooves (23) are uniformly arranged and distributed in a rectangular shape on both sides of the outer box (1).

7. The short-circuit prevention transformer of claim 6, wherein the outer air channel (23) is an inclined structure gradually decreasing along the direction from the inside of the outer case (1) to the outside of the outer case (1).

8. The short-circuit prevention transformer of claim 1, wherein an end of the fan guard (16) away from the outer box (1) is provided with an air vent net (24), and the fan guard (16) is an inclined structure gradually decreasing along the direction from the outer box (1) to the air vent net (24).