CN211208211U - Oil-immersed transformer - Google Patents

Abstract

The utility model discloses an oil-immersed transformer, which comprises a top plate, a connecting block, a machine body, a bottom plate, a wiring block, a winding and a top block, when wiring, the wiring is embedded in the shell and connected with the power connection block in the shell, and the rotating nail is rotated to push the pressing plate to move downwards, the joint line is fixed by applying pressure, and a certain pressure is applied to the pressure push block on the pressure seal block while the pressure is applied, so that the pressure push block is pressed to slide in the air push groove, the air is pushed to the push shell through the vent pipe, the seal soft rubber in the shell is sprayed out, the gap to the wiring mouth is filled sealedly, through the structure of improvement equipment, makes equipment when carrying out the wiring, can fill sealedly by the gap between automatic wiring mouth and the connector lug, avoids moisture to enter into the phenomenon that makes it take place the short circuit damage on the wiring mouth under the comparatively moist condition of environment.

Description

Oil-immersed transformer

Technical Field

The utility model relates to an oil-immersed transformer belongs to transformer technical field.

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 transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like, and simultaneously, in the manufacturing process, the transformer adopts oil-immersed manufacturing, and has better insulating property, but the prior art still has the following defects:

when the transformer is connected, the connection is mostly carried out in a mode of fixing the connection through screws, a plurality of gaps are left between the connection holes and exposed in the air after the connection, and when the environment is humid, moisture in the air is easy to enter the connection block through the gaps, so that the equipment is damaged by short circuit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil-immersed transformer to the prior art transformer of solution is when carrying out the wiring, adopts the mode of screw fixation wiring more to carry out the wiring, and this method is after the wiring, still has the space of many between wiring and the wiring hole and expose in the air, and when the environment was comparatively moist, moisture in the air easily comes to the junction block via the gap on, makes equipment take place the problem of the phenomenon of short circuit damage.

In order to achieve the above purpose, the present invention is realized by the following technical solution: the utility model provides an oil-immersed transformer, its structure includes roof, connecting block, organism, bottom plate, wiring piece, winding, kicking block, the bottom of connecting block welds mutually with the top of kicking block, the wiring piece is installed in the embedding on the front end of organism, the top of bottom plate welds mutually with the bottom of organism, the wiring piece embedding is installed on the front end of organism, the winding embedding is installed on the organism, the bottom of kicking block welds mutually with the top of organism, the wiring piece includes rotates nail, screw block, pressure plate, shell, receives the pressure seal piece, connects the electric block, it installs on the screw block to rotate the nail embedding, the screw block welds mutually with the top in the shell, the pressure plate embedding is installed on the bottom of screw block, it is located under the pressure plate to connect the electric block embedding to install in the left end middle part of shell, it includes the pressure pushing block to push away, the sealing block is including the pressure, The sealing opening, the sealed flexible glue, the propelling movement shell, the vent pipe, push away air tank, protecting crust, the embedding of pressurized ejector pad is installed on pushing away the air tank, the top of sealing opening and propelling movement shell is the integral structure, the embedding of sealed flexible glue is installed in the propelling movement shell, the bottom of propelling movement shell and the right part top of vent pipe weld mutually, push away in the protecting crust is located to the air tank, the shell embedding is installed on the front end of organism.

Further, the top plate is located right above the top block.

Further, the winding is located right above the bottom plate.

Further, the pressure applying plate is parallel to the pressure sealing block.

Further, the top plate is embedded and installed on the top end of the connecting block.

Further, the pressing plate is of a circular plate structure.

Further, the propelling movement shell is cuboid dead slot structure.

Advantageous effects

The utility model relates to an oil-immersed transformer, which connects the wiring of the power equipment through the wiring block on the front end of the machine body to connect the machine body and the power equipment for use, when wiring, the wiring is embedded in the shell and connected with the power connection block in the shell, and the rotating nail is rotated to push the pressing plate to move downwards, the joint line is fixed by applying pressure, and a certain pressure is applied to the pressure push block on the pressure seal block while the pressure is applied, so that the pressure push block is pressed to slide in the air push groove, the air is pushed to the push shell through the vent pipe, the seal soft rubber in the shell is sprayed out, the gap to the wiring mouth is filled sealedly, through the structure of improvement equipment, makes equipment when carrying out the wiring, can fill sealedly by the gap between automatic wiring mouth and the connector lug, avoids moisture to enter into the phenomenon that makes it take place the short circuit damage on the wiring mouth under the comparatively moist condition of environment.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of an oil-immersed transformer according to the present invention;

FIG. 2 is a schematic cross-sectional detailed structure view of the left side view of the junction block of the present invention;

FIG. 3 is a schematic cross-sectional detailed structure view of the junction block after left side view operation;

FIG. 4 is a detailed structural schematic diagram of the pressurized sealing block of the present invention

In the figure: the device comprises a top plate-1, a connecting block-2, a machine body-3, a bottom plate-4, a wiring block-5, a winding-6, a top block-7, a rotating nail-51, a thread block-52, a pressure applying plate-53, a shell-54, a pressure sealing block-55, a power connection block-56, a pressure pushing block-551, a sealing port-552, a sealing soft rubber-553, a pushing shell-554, a ventilation pipeline-555, a gas pushing groove-556 and a protection shell-557.

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.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution of an oil-immersed transformer: the structure of the cable connector comprises a top plate 1, a connecting block 2, a machine body 3, a bottom plate 4, a wiring block 5, a winding 6 and a top block 7, wherein the bottom end of the connecting block 2 is welded with the top end of the top block 7, the wiring block 5 is embedded and installed on the front end of the machine body 3, the top end of the bottom plate 4 is welded with the bottom end of the machine body 3, the wiring block 5 is embedded and installed on the front end of the machine body 3, the winding 6 is embedded and installed on the machine body 3, the bottom end of the top block 7 is welded with the top end of the machine body 3, the wiring block 5 comprises a rotating nail 51, a threaded block 52, a pressure applying plate 53, a shell 54, a pressure applying sealing block 55 and a power connecting block 56, the rotating nail 51 is embedded and installed on the threaded block 52, the threaded block 52 is welded with the top end in the shell 54, the pressure applying plate 53 is embedded and installed on the bottom end of the threaded block 52, the electric connection block 56 is embedded in the middle of the left end of the outer casing 54, the compressed sealing block 55 comprises a compressed pushing block 551, a sealing port 552, a sealing soft rubber 553, a pushing shell 554, an air duct 555, an air pushing groove 556 and a protection shell 557, the compressed pushing block 551 is embedded in the air pushing groove 556, the sealing port 552 and the top end of the pushing shell 554 are of an integrated structure, the sealing soft rubber 553 is embedded in the pushing shell 554, the bottom end of the pushing shell 554 is welded with the top end of the right part of the air duct 555, the air pushing groove 556 is arranged in the protection shell 557, the outer casing 54 is embedded in the front end of the machine body 3, the top plate 1 is positioned right above the top block 7, the winding 6 is positioned right above the bottom plate 4, the pressing plate 53 is parallel to the compressed sealing block 55, the top plate 1 is embedded in the top end of the connection block 2, the pressing plate 53 is of a circular plate structure, the pushing shell 554 has a rectangular hollow structure.

For example, when a transformer is used by a power construction worker, a connection block 5 on the front end of a machine body 3 is used for connecting a connection wire of power equipment, so that the machine body 3 is connected with the power equipment for use, when the connection wire is connected, the connection wire is embedded into a shell 54 and is connected with a power connection block 56 in the shell, then a rotating nail 51 is rotated to push a pressing plate 53 downwards to apply pressure on the connection wire for fixing, certain pressure is applied to a pressure pushing block 551 on a pressure sealing block 55 while the pressure is applied, so that the pressure is pressed in a gas pushing groove 556 to slide, the pushing gas is sent into a pushing shell 554 through a vent pipe 555, sealing soft rubber in the pushing shell is sprayed 553, and gaps of a connection port are filled and sealed.

The utility model solves the problems that in the prior art, when the transformer is connected, the connection is mostly carried out by adopting a screw fixing connection mode, after the connection, a plurality of gaps are still existed between the connection and the connection hole, and when the environment is humid, the moisture in the air is easy to come to the connection block through the gaps, so that the equipment is damaged by short circuit, the utility model connects the connection of the power equipment through the connection block 5 on the front end of the machine body 3, so that the machine body 3 is connected with the power equipment for use, when the connection is carried out, the connection is embedded into the shell 54 and is connected with the connection block 56 in the shell, and then the rotation of the connection block is carried out by rotating the rotating nail 51 to push the pressing plate 53 downwards, the pressure is applied to the connection for fixing, and when the pressure is applied, a certain pressure is applied to the pushing block 551 on the pressed sealing block 55, make its pressurized slide in pushing away the gas groove 556, promote gas and come the propelling movement shell 554 via vent pipe 555, make the sealed flexible glue 553 blowout in it, fill the gap of wiring mouth and seal, through the structure of improve equipment, make equipment when carrying out the wiring, can fill the gap between automatic wiring mouth and the connector lug and seal, avoid moisture under the comparatively moist circumstances of environment to enter into on the wiring mouth and make its phenomenon that takes place the short circuit damage.

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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (5)

1. The utility model provides an oil-immersed transformer, its structure includes roof (1), connecting block (2), organism (3), bottom plate (4), junction block (5), windage (6), kicking block (7), its characterized in that:

the top plate (1) is embedded and installed on the top end of the connecting block (2), the bottom end of the connecting block (2) is welded with the top end of the top block (7), the front end of the machine body (3) is embedded and installed with the wiring block (5), the top end of the bottom plate (4) is welded with the bottom end of the machine body (3), the wiring block (5) is embedded and installed on the front end of the machine body (3), the winding resistor (6) is embedded and installed on the machine body (3), the bottom end of the top block (7) is welded with the top end of the machine body (3), the wiring block (5) comprises a rotating nail (51), a thread block (52), a pressure applying plate (53), a shell (54), a pressure bearing sealing block (55) and an electricity connecting block (56), the rotating nail (51) is embedded and installed on the thread block (52), the thread block (52) is welded with the top end in the shell (54), and the pressure applying plate (53) is embedded and installed on the bottom end of the thread block (52, the pressure-bearing sealing block (55) is located right below the pressure applying plate (53), the electricity receiving block (56) is embedded in the middle of the left end of the shell (54), the pressure-bearing sealing block (55) comprises a pressure-bearing push block (551), a sealing opening (552), sealing soft rubber (553), a push shell (554), a vent pipeline (555), a push air groove (556) and a protective shell (557), the pressure-bearing push block (551) is embedded in the push air groove (556), the sealing opening (552) and the top end of the push shell (554) are of an integrated structure, the sealing soft rubber (553) is embedded in the push shell (554), the bottom end of the push shell (554) is welded with the top end of the right portion of the vent pipeline (555), the push air groove (556) is arranged in the protective shell (557), and the shell (54) is embedded in the front end of the machine body (3).

2. An oil filled transformer according to claim 1, characterized in that: the top plate (1) is located right above the top block (7), and the winding (6) is located right above the bottom plate (4).

3. An oil filled transformer according to claim 1, characterized in that: the pressure applying plate (53) is parallel to the pressure sealing block (55).

4. An oil filled transformer according to claim 1, characterized in that: the pressing plate (53) is of a circular plate structure.

5. An oil filled transformer according to claim 1, characterized in that: the pushing shell (554) is of a cuboid hollow groove structure.

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