CN214897952U

CN214897952U - Oil-immersed box type transformer

Info

Publication number: CN214897952U
Application number: CN202121685720.8U
Authority: CN
Inventors: 杨南京; 陈婷; 蔡愁敏; 朱秀松
Original assignee: Shenzhen City Xinbaoming Mechanical Accessories Co ltd
Current assignee: Shenzhen City Xinbaoming Mechanical Accessories Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-11-26
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses an oil-immersed box transformer, including the protecting box, the lower extreme fixed mounting of protecting box has the supporting seat, there is limit baffle in the front end lower part of protecting box through pivot movable mounting, the spout has all been opened to the nowel wall left and right sides of protecting box, common slidable mounting has the removal frame in two spouts, the upper end demountable installation that removes the frame has oil-immersed transformer body, the tank wall all opens the radiating groove of controlling the break-over about of protecting box, the equal fixed mounting in the left and right sides has refrigeration mechanism in the protecting box, the equal fixed welding in upper end four corners of protecting box has the bracing piece, the surface upper portion of bracing piece is provided with the spline, the upper portion of bracing piece and the fixed mounting of lower extreme that is located the spline have the fender ring, the common demountable installation of spline has protection mechanism on the upper portion of four bracing pieces. An oil-immersed box transformer, simple structure, convenient to use, the temperature through reducing the flowing air in the protecting box improves the cooling effect, it is convenient to assemble, the practicality is strong.

Description

Oil-immersed box type transformer

Technical Field

The utility model relates to a transformer field, in particular to box transformer of oil-immersed type.

Background

Transformers are one of the main devices of power plants and substations. The transformer has the advantages of multiple functions, capability of increasing voltage to transmit electric energy to an electricity utilization area and reducing the voltage to various levels of use voltage to meet the requirement of electricity utilization, and can be divided into a dry type transformer and an oil-immersed type transformer according to insulating media, wherein the oil-immersed type transformer takes mineral oil as a main insulating medium and a cooling medium of the transformer, a main body element of the transformer is immersed into an oil tank filled with the mineral oil, and a wiring terminal is led out of the top of an oil tank cover.

The existing oil-immersed transformer can generate heat to form high temperature in the working process, the heat is transferred to mineral oil, then the oil is transferred to the box body through the transformer oil, and the box body is cooled through natural air.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides an oil-immersed box transformer can effectively solve the problem in the background art.

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

the utility model provides an oil-immersed box type transformer, includes the protecting box, the lower extreme fixed mounting of protecting box has the supporting seat, there is limit baffle in the front end lower part of protecting box through pivot movable mounting, the spout has all been opened to the lower case wall left and right sides of protecting box, two common slidable mounting has the removal frame in the spout, the upper end demountable installation that removes the frame has oil-immersed transformer body, the tank wall all opens the radiating groove of break-over about having about of protecting box, the equal fixed mounting in the left and right sides has refrigeration mechanism in the protecting box, the equal fixed welding in upper end four corners of protecting box has the bracing piece, the surface upper portion of bracing piece is provided with the spline, the upper portion of bracing piece just is located the lower extreme fixed mounting of spline and keeps off the ring, four the common demountable installation of upper portion through the spline of bracing piece has protection mechanism.

Preferably, the left side and the right side of the lower end of the moving frame are integrally formed with sliding blocks, the sliding blocks are matched with the sliding grooves in size, the distance between the two sliding blocks is equal to the distance between the two sliding grooves, and the upper portion of the front end of the moving frame is provided with a pull groove.

Preferably, the sliding blocks are connected in the corresponding sliding grooves in a sliding mode, the moving frame is located at the upper end of the lower box wall of the protection box, and the moving frame is fixed in the protection box through a limiting baffle.

Preferably, the refrigeration mechanism comprises a refrigeration pipe, fixing frames are fixedly installed at the front part and the rear part of the refrigeration pipe at equal intervals, and the fixing frames and the front and rear box walls of the protection box are fixedly installed on one side, far away from the oil-immersed transformer body, of the refrigeration pipe in the protection box.

Preferably, the protection machanism includes the roof, the lower extreme middle part fixed welding of roof has the mounting panel, the lower extreme four corners of mounting panel all is provided with the mounting groove, and the size looks adaptation of the size of mounting groove and spline.

Preferably, the mounting panel cup joints in the spline that corresponds and the mounting panel is located the upper end of keeping off the ring and with protection machanism and guard box demountable installation, the upper end left and right sides of roof all personally submits 30 degrees angle slopes with the level, and the left part and the right part of roof are symmetrical structure.

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

1. the utility model discloses in, will remove the frame through slider slidable mounting in the spout and install in the protective housing, hug closely the front end that removes the frame through limit baffle's rear end and carry out spacingly to removing the frame, can realize removing the demountable installation of frame, conveniently carry out fixed mounting, simple structure, convenient to use to the oil-immersed transformer body.

2. The utility model discloses in, through refrigerating mechanism's setting, can cool down in the protective housing, use with the cooperation of radiating groove, reduce the temperature of flowing air in the protective housing to improve the cooling effect.

3. The utility model discloses in, through the inclined plane setting of roof upper end, can discharge the rainwater to both sides, to the oil-immersed transformer body of protective housing play the guard action, be in the same place through mounting groove and spline joint, can dismantle the installation with protection machanism fast, simple structure, it is convenient to assemble, and the practicality is strong.

Drawings

Fig. 1 is a schematic diagram of the overall structure of an oil-immersed box-type transformer of the present invention;

fig. 2 is a schematic diagram of the internal structure of the protection box of the oil-immersed box type transformer of the present invention;

fig. 3 is a schematic structural diagram of a moving frame of the oil-immersed box type transformer of the present invention;

fig. 4 is a schematic structural diagram of a refrigeration mechanism of the oil-immersed box-type transformer of the present invention;

fig. 5 is the utility model relates to a protection machanism's of oil-immersed box transformer structural schematic.

In the figure: 1. a protective box; 2. a supporting seat; 3. a limit baffle; 4. a movable frame; 5. an oil-immersed transformer body; 6. a heat sink; 7. a refrigeration mechanism; 8. a protection mechanism; 11. a chute; 12. a support bar; 13. a spline; 14. a baffle ring; 41. a slider; 42. groove drawing; 71. a refrigeration pipe; 72. a fixed mount; 81. a top plate; 82. mounting a plate; 83. and (4) mounting the groove.

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. 1-5, an oil-immersed box type transformer, including protective housing 1, the lower extreme fixed mounting of protective housing 1 has supporting seat 2, there is limit baffle 3 in protective housing 1's front end lower part through pivot movable mounting, spout 11 has all been opened to the lower case wall left and right sides of protective housing 1, common slidable mounting has removal frame 4 in two spout 11, the upper end demountable installation of removal frame 4 has oil-immersed transformer body 5, the tank wall has all opened radiating groove 6 of break-over about protective housing 1, the equal fixed mounting in the left and right sides has refrigeration mechanism 7 in protective housing 1, the equal fixed welding in upper end four corners of protective housing 1 has bracing piece 12, the surface upper portion of bracing piece 12 is provided with spline 13, the upper portion of bracing piece 12 and the lower extreme fixed mounting that is located spline 13 have fender ring 14, the common demountable installation of protection mechanism 8 is passed through spline 13 in the upper portion of four bracing pieces 12.

The left side and the right side of the lower end of the movable frame 4 are integrally formed with sliding blocks 41, the sizes of the sliding blocks 41 are matched with the sizes of the sliding grooves 11, the distance between the two sliding blocks 41 is equal to the distance between the two sliding grooves 11, and the upper part of the front end of the movable frame 4 is provided with a pull groove 42; the sliding blocks 41 are connected in the corresponding sliding grooves 11 in a sliding mode, the moving frame 4 is located at the upper end of the lower box wall of the protection box 1, the moving frame 4 is fixed in the protection box 1 through the limiting baffle 3, the limiting baffle 3 limits the moving frame 4, and the moving frame 4 is prevented from sliding out of the protection box 1; the refrigeration mechanism 7 comprises a refrigeration pipe 71, can cool the interior of the protective box 1, is matched with the heat dissipation groove 6 for use, and reduces the temperature of air flowing in the protective box 1, so that the cooling effect is improved, fixing frames 72 are fixedly arranged at the front part and the rear part of the refrigeration pipe 71 at equal intervals, and the refrigeration pipe 71 is fixedly arranged at one side, far away from the oil-immersed transformer body 5, in the protective box 1 by fixedly arranging the fixing frames 72 and the front and rear box walls of the protective box 1; the protection mechanism 8 comprises a top plate 81, a mounting plate 82 is fixedly welded in the middle of the lower end of the top plate 81, mounting grooves 83 are formed in four corners of the lower end of the mounting plate 82, and the size of each mounting groove 83 is matched with that of the spline 13; the mounting panel 82 cup joints in the spline 13 that corresponds and the mounting panel 82 is located the upper end that keeps off ring 14 with protection machanism 8 and protective housing 1 demountable installation, can dismantle protection machanism 8 fast and install, simple structure, it is convenient to assemble, and the practicality is strong, and the upper end left and right sides of roof 81 all personally submits 30 degrees angle slopes with the level, and the left part and the right part of roof 81 are symmetrical structure, can discharge the rainwater to both sides.

It should be noted that, the utility model relates to an oil-immersed box-type transformer, in the specific use process, the oil-immersed transformer body 5 can be detachably mounted on the upper end of the movable frame 4, the movable frame 4 is mounted in the protective box 1 through the sliding block 41 in the sliding groove 11, then the limit baffle 3 is rotated to make the rear end of the limit baffle 3 closely cling to the front end of the movable frame 4, thereby limiting the movable frame 4, and avoiding the movable frame 4 from slipping out of the protective box 1, the oil-immersed box-type transformer is safe and reliable, the structure is simple, through the arrangement of the refrigeration mechanism 7, the temperature in the protective box 1 can be reduced, the oil-immersed box-type transformer body 5 is matched with the heat dissipation groove 6, the temperature of the flowing air in the protective box 1 is reduced, thereby the cooling effect is improved, through the inclined plane arrangement on the upper end of the top plate 81, the rainwater can be discharged to both sides, the oil-immersed transformer body 5 in the protective box 1 can be protected, through the mounting groove 83 and the spline 13 are clamped together, the protection mechanism 8 can be rapidly disassembled and assembled, the structure is simple, the assembly is convenient, and the practicability is high.

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 an oil-immersed box transformer, includes protective housing (1), its characterized in that: the lower end of the protection box (1) is fixedly provided with a supporting seat (2), the lower part of the front end of the protection box (1) is movably provided with a limit baffle (3) through a rotating shaft, the left side and the right side of the lower box wall of the protection box (1) are respectively provided with a sliding groove (11), two sliding grooves (11) are internally provided with a moving frame (4) in a common sliding manner, the upper end of the moving frame (4) is detachably provided with an oil-immersed transformer body (5), the left box wall and the right box wall of the protection box (1) are respectively provided with a heat dissipation groove (6) which is penetrated left and right, the left side and the right side of the protection box (1) are respectively and fixedly provided with a refrigerating mechanism (7), the four corners of the upper end of the protection box (1) are respectively and fixedly welded with a supporting rod (12), the upper part of the outer surface of the supporting rod (12) is provided with a spline (13), the upper part of the supporting rod (12) and the lower end which is positioned on the spline (13) are fixedly provided with a retaining ring (14), the upper parts of the four support rods (12) are detachably provided with a protection mechanism (8) through splines (13).

2. Oil filled box transformer according to claim 1, characterized in that: the lower extreme left and right sides homogeneous body shaping of removal frame (4) has slider (41), the size of slider (41) and the size looks adaptation of spout (11), two the distance between slider (41) equals with the distance between two spouts (11), the front end upper portion of removal frame (4) is opened has kerve (42).

3. An oil filled box transformer according to claim 2, characterized in that: slider (41) sliding connection just removes the upper end that puts up (4) and be located box wall under protective housing (1) in corresponding spout (11), remove frame (4) and fix in protective housing (1) through limit baffle (3).

4. Oil filled box transformer according to claim 1, characterized in that: refrigerating mechanism (7) are including refrigeration pipe (71), the anterior of refrigeration pipe (71) and rear portion equidistance fixed mounting have mount (72), mount (72) and the front and back tank wall fixed mounting of protective housing (1) will refrigerate pipe (71) fixed mounting and keep away from one side of oil-immersed transformer body (5) in protective housing (1).

5. Oil filled box transformer according to claim 1, characterized in that: protection machanism (8) are including roof (81), the lower extreme middle part fixed welding of roof (81) has mounting panel (82), the lower extreme four corners of mounting panel (82) all is provided with mounting groove (83), and the size of mounting groove (83) and the size looks adaptation of spline (13).

6. An oil filled box transformer according to claim 5, characterized in that: mounting panel (82) cup joint in corresponding spline (13) and mounting panel (82) are located the upper end of keeping off ring (14) with protection machanism (8) and guard box (1) demountable installation, the upper end left and right sides of roof (81) all personally submits 30 degrees angle slopes with the level, and the left part and the right part of roof (81) are symmetrical structure.