CN213601726U

CN213601726U - Novel cooling structure of dry-type transformer

Info

Publication number: CN213601726U
Application number: CN202022436600.6U
Authority: CN
Inventors: 白香米
Original assignee: Zhejiang Youshang Internet Industry Co ltd
Current assignee: Zhejiang Youshang Internet Industry Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-07-02
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a novel cooling structure of dry-type transformer, including the box, its characterized in that: the utility model discloses a case, including box, case lid, box front end, hinge, box and case lid, the box upper end is provided with the case lid, the anterior fixed mounting in case lid upper end has the handle, be connected with the hinge between box and the case lid jointly, and box and case lid pass through hinge swing joint together, box lower extreme fixed mounting has the hydrops fill, the equal fixed mounting in box left end lower part and right-hand member lower part has the base, box front end left side lower part fixed mounting has out the water tank, box left end right side lower part fixed mounting has into the water tank, case lid upper end middle part fixed mounting has blast apparatus, the inside swing joint of box. A novel cooling structure of dry-type transformer, through setting up semi-cylindrical cooling pipe, can be more abundant for the transformer cooling, the cooling is effectual, the security performance is high.

Description

Novel cooling structure of dry-type transformer

Technical Field

The utility model belongs to the technical field of the transformer, concretely relates to novel cooling structure of dry-type transformer.

Background

A Transformer (Transformer) is a device that changes an alternating-current voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided 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.). In order to accelerate the heat dissipation effect, the current dry-type transformer mostly dissipates heat in a water cooling mode, and has the following disadvantages: 1. the cross section of the cooling pipe for conveying water is mostly circular, so that the contact area between the cooling pipe and the dry-type transformer is small, and the cooling effect is reduced; 2. the dry type transformer dissipates heat during working, the temperature of surrounding vapor rises, the vapor can be liquefied into water drops when encountering the wall of a box body for loading the dry type transformer, water is accumulated at the bottom of the box body easily due to long-time working, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a cooling structure for a dry transformer, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel dry-type transformer's cooling structure, the power distribution box comprises a box body, the box upper end is provided with the case lid, the anterior fixed mounting in case lid upper end has the handle, be connected with the hinge between box and the case lid jointly, and box and case lid pass through hinge swing joint together, box lower extreme fixed mounting has the hydrops fill, the equal fixed mounting in box left end lower part and right-hand member lower part has the base, open the base lower part has a plurality of mounting holes, box left end lower part fixed mounting has the outlet box, box left end lower part fixed mounting has into the water tank, case lid upper end middle part fixed mounting has blast apparatus, and the blast apparatus lower part is located inside the box, the inside swing joint of box has dry-type transformer, the dry-type transformer surface is equipped with the cooling pipe, the.

Preferably, the upper portion of the front box wall and the upper portion of the rear box wall inside the box body are both fixedly connected with two fixing grooves, and the dry-type transformer is movably connected inside the box body through the fixing grooves.

Preferably, the dry-type transformer comprises a shell, the upper parts of the front end and the rear end of the shell are fixedly connected with two fixing rods, the upper parts of the front, rear, left and right end surfaces of the shell are fixedly connected with three upper limiting frames, and the lower parts of the front, rear, left and right end surfaces of the shell are fixedly connected with four lower limiting frames.

Preferably, the lower limiting frame is located right below the upper limiting frame, and the four fixing rods are clamped in the four fixing grooves respectively.

Preferably, the water inlet of the cooling pipe is fixedly connected with the water inlet tank, the water outlet of the cooling pipe is fixedly connected with the water outlet tank, and the water inlet tank is positioned above the water outlet tank.

Preferably, the cooling pipe belongs to the semicylinder structure, the cooling pipe is in the same place through last spacing and lower spacing and shell fixed connection, and the surface of shell is hugged closely to the surface of cooling pipe, hydrops fill upper end communicates with each other with box lower extreme is inside.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model adopts the cooling pipe with semicircular section, the flat side surface is tightly attached to the dry type transformer shell, and then the cooling pipe is wound between the upper limiting frame and the lower limiting frame in a reciprocating way up and down to wrap the transformer shell, thereby greatly increasing the contact area between the cooling pipe and the shell and improving the cooling effect;

2. the utility model discloses set up hair-dryer device, produced the air current through hair-dryer and circulated in order to drive the box internal air current, then furtherly discharge the hot-air from hydrops fill end opening, the water droplet that dry-type transformer long-time work produced simultaneously also can be followed hydrops fill end opening and discharged, the potential safety hazard that bottom of the case ponding brought.

Drawings

Fig. 1 is a schematic view of the overall structure of a cooling structure of a novel dry-type transformer of the present invention;

fig. 2 is a schematic structural view of a box body cutting plane of a cooling structure of the novel dry-type transformer of the present invention;

fig. 3 is a schematic view of the connection between the cooling pipe and the dry-type transformer of the cooling structure of the novel dry-type transformer of the present invention;

fig. 4 is the internal structure diagram of the box of the dry-type transformer of the present invention.

In the figure: 1. a box body; 2. a handle; 3. a blowing device; 4. a hinge; 5. a base; 6. mounting holes; 7. a liquid accumulation hopper; 8. a water outlet tank; 9. entering a water tank; 10. filtering with a screen; 11. a cooling pipe; 12. a dry-type transformer; 13. a box cover; 101. fixing grooves; 121. fixing the rod; 122. an upper limiting frame; 123. a lower limiting frame; 124. a housing.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a cooling structure of a novel dry-type transformer comprises a box body 1, a box cover 13 is arranged at the upper end of the box body 1, a handle 2 is fixedly arranged at the front part of the upper end of the box cover 13, a hinge 4 is commonly connected between the box body 1 and the box cover 13, the box body 1 and the box cover 13 are movably connected together through a hinge 4, the lower end of the box body 1 is fixedly provided with a liquid accumulation hopper 7, the lower part of the left end and the lower part of the right end of the box body 1 are both fixedly provided with a base 5, the lower part of the base 5 is provided with a plurality of mounting holes 6, the left lower part of the front end of the box body 1 is fixedly provided with a water outlet box 8, the right lower part of the left end of the box body 1 is fixedly provided with a water inlet box 9, the middle part, and the lower part of the blowing device 3 is positioned inside the box body 1, the inside of the box body 1 is movably connected with a dry-type transformer 12, and the outer surface of the dry-type transformer 12 is provided with a cooling pipe 11.

The upper part of the front box wall and the upper part of the rear box wall in the box body 1 are fixedly connected with two fixing grooves 101, the dry-type transformer 12 is movably connected in the box body 1 through the fixing grooves 101, the dry-type transformer 12 comprises a shell 124, the upper parts of the front end and the rear end of the shell 124 are fixedly connected with two fixing rods 121, the upper parts of the front, rear, left and right end faces of the shell 124 are fixedly connected with three upper limiting frames 122, the lower parts of the front, rear, left and right end faces of the shell 124 are fixedly connected with four lower limiting frames 123, and the limiting frames can fixedly install the; the lower limiting frame 123 is located right below the upper limiting frame 122, and the four fixing rods 121 are respectively clamped in the four fixing grooves 101, so that the dry-type transformer 12 can be fixed in the box body 1; the water inlet of the cooling pipe 11 is fixedly connected with the water inlet tank 9, the water outlet of the cooling pipe 11 is fixedly connected with the water outlet tank 8, and the water inlet tank 9 is positioned above the water outlet tank 8; the cooling pipe 11 is of a semi-cylindrical structure, so that the contact area between the cooling pipe and the dry-type transformer 12 is increased, and the cooling effect is improved; the cooling pipe 11 is fixedly connected with the shell 124 through the upper limiting frame 122 and the lower limiting frame 123, the outer surface of the cooling pipe 11 is tightly attached to the surface of the shell 124, the upper end of the liquid accumulation hopper 7 is communicated with the interior of the lower end of the box body 1, and water accumulation at the bottom of the box body 1 is avoided; the filter screen 10 arranged in the middle of the liquid collecting hopper 7 can prevent insects or other sundries from entering the box body 1 and influencing the normal work of the dry-type transformer 12.

It should be noted that, the utility model relates to a novel cooling structure of dry-type transformer, open case lid 13 through carrying handle 2, put dry-type transformer 12 into box 1, four dead levers 121 are put into fixed slot 101 inside to with dry-type transformer 12 fixed mounting inside box 1, when dry-type transformer 12 worked, water in the water tank 9 entered cooling pipe 11 through inlet pipe 111, water flowed out from outlet pipe 112 after flowing through whole cooling pipe 11, then entered outlet tank 8; meanwhile, the air flow generated by the continuous work of the blowing device 3 drives the air in the box body 1 to flow, the hot air generated by the work of the dry type transformer 12 is continuously discharged out of the box body 1 from the effusion bucket 7, and the filter screen 10 in the middle of the effusion bucket 7 can prevent external impurities from entering the box body 1 and influencing the normal work of the dry type transformer 12; the hot air generated by the operation of the dry transformer 12 is cooled to generate water drops when flowing against the wall of the tank or the cooling pipe 11, and the water drops continuously flow downwards along the inner wall of the tank 1, and finally the water drops are discharged out of the tank 1 from the lower opening of the cluster liquid hopper 7.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel cooling structure of dry-type transformer, includes box (1), its characterized in that: the transformer cabinet is characterized in that a cabinet cover (13) is arranged at the upper end of the cabinet body (1), a handle (2) is fixedly arranged at the front part of the upper end of the cabinet cover (13), a hinge (4) is jointly connected between the cabinet body (1) and the cabinet cover (13), the cabinet body (1) and the cabinet cover (13) are movably connected together through the hinge (4), a liquid accumulation hopper (7) is fixedly arranged at the lower end of the cabinet body (1), a base (5) is fixedly arranged at the lower part of the left end and the lower part of the right end of the cabinet body (1), a plurality of mounting holes (6) are formed in the lower part of the base (5), a water outlet tank (8) is fixedly arranged at the lower left part of the front end of the cabinet body (1), a water inlet tank (9) is fixedly arranged at the lower right part of the left end of the cabinet body (1), a blowing device (3) is fixedly arranged at the middle, the outer surface of the dry-type transformer (12) is provided with a cooling pipe (11), and the middle part in the liquid accumulation hopper (7) is provided with a filter screen (10).

2. The cooling structure of the novel dry-type transformer according to claim 1, wherein: the dry-type transformer is characterized in that two fixing grooves (101) are fixedly connected to the upper portion of the front box wall and the upper portion of the rear box wall inside the box body (1), and the dry-type transformer (12) is movably connected inside the box body (1) through the fixing grooves (101).

3. The cooling structure of the novel dry-type transformer according to claim 1, wherein: the dry-type transformer (12) comprises a shell (124), wherein two fixing rods (121) are fixedly connected to the upper portions of the front end and the rear end of the shell (124), three upper limiting frames (122) are fixedly connected to the upper portions of the front end face, the rear end face, the left end face and the right end face of the shell (124), and four lower limiting frames (123) are fixedly connected to the lower portions of the front end face, the rear end face, the left end face, the right end face and the rear end face.

4. The cooling structure of the novel dry-type transformer according to claim 3, wherein: the lower limiting frame (123) is located right below the upper limiting frame (122), and the four fixing rods (121) are clamped in the four fixing grooves (101) respectively.

5. The cooling structure of the novel dry-type transformer according to claim 1, wherein: the water inlet of the cooling pipe (11) is fixedly connected with the water inlet tank (9), the water outlet of the cooling pipe (11) is fixedly connected with the water outlet tank (8), and the water inlet tank (9) is positioned above the water outlet tank (8).

6. The cooling structure of the novel dry-type transformer according to claim 1, wherein: cooling pipe (11) belong to the semicylinder structure, cooling pipe (11) are in the same place through last spacing (122) and spacing (123) down and shell (124) fixed connection, and the surface of shell (124) is hugged closely to the surface of cooling pipe (11), hydrops fill (7) upper end communicates with each other with box (1) lower extreme is inside.