CN113345675B

CN113345675B - SCB transformer and closed transformer substation based on same

Info

Publication number: CN113345675B
Application number: CN202110894907.7A
Authority: CN
Inventors: 邹一君; 高志峰; 姚东伟; 查志文
Original assignee: Changzhou Dongfang Sanhuan Electrical Co Ltd
Current assignee: Changzhou Dongfang Sanhuan Electrical Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-11-19
Anticipated expiration: 2041-08-05
Also published as: CN113345675A

Abstract

An SCB transformer and a closed transformer substation based on the SCB transformer belong to the technical field of transformers, and comprise a clamping piece and a shell, wherein the top end inside the shell is provided with a limiting mechanism, the limiting mechanism comprises a fixed block, a rotating rod and an adjusting rod, the rotating rod is movably connected with the fixed block, the top end of the rotating rod is fixedly connected with the adjusting rod, the top of the clamping piece is provided with a threaded hole, the outer surface of the adjusting rod is provided with external threads matched with the threaded hole, the limiting mechanism is arranged inside the transformer, the iron core after the inner part of the transformer is combined can be limited in multiple directions, so that the compactness between iron cores is effectively improved, the problem of low closeness between the iron core combination parts is prevented, the magnetic flux generated in the transformer can pass through the magnetic circuit of the silicon steel sheet iron core by improving the closeness of the iron core combination parts, the influence of the magnetic resistance on the transformer is reduced, and the working efficiency of the transformer is improved.

Description

SCB transformer and closed transformer substation based on same

Technical Field

The invention relates to the technical field of transformers, in particular to an SCB transformer and a closed transformer substation based on the SCB transformer.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components of the transformer are a primary coil, a secondary coil and an iron core, while the transformer station is a place for converting voltage and current, receiving electric energy and distributing electric energy in a power system, and the iron core used by the three-phase transformer is often formed by combining iron cores pressed by a plurality of silicon steel sheets in order to form a closed state.

The invention discloses a high-power water-cooled special transformer for firing diamond tool bits, wherein the high-power water-cooled special transformer comprises a primary winding and a secondary winding of an iron core of a transformer clamping piece, the iron core is arranged between the transformer clamping pieces, a primary winding group is arranged on a central core column of the iron core and is connected with an input terminal, a hollow copper pipe serving as a secondary winding group is vertically arranged between the primary winding group and two side edges of the iron core, the copper pipe is bent to form a serpentine structure, a water inlet and a water outlet are formed in two ends of the copper pipe, cooling water is introduced into the copper pipe, and an output terminal is arranged on the hollow copper pipe. And the gap of iron core combination can increase to lead to the degree of compaction between the iron core to reduce, at this moment, the not closed magnetic circuit of iron core can be accomplished through the air gap, because the magnetic permeability of air is less than the magnetic permeability of silicon steel sheet far away, thereby the magnetic resistance of whole magnetic circuit increases, leads to the problem that transformer result of use reduces.

Disclosure of Invention

The invention aims to provide an SCB transformer and a closed transformer substation based on the SCB transformer, which can limit the position of iron cores after the iron cores are combined in the transformer in multiple directions by arranging a limiting mechanism in the transformer, thereby effectively improving the compactness between the iron cores and solving the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a SCB transformer, includes folder and casing, stop gear is installed on the inside top of casing, stop gear includes fixed block, dwang and regulation pole, dwang and fixed block swing joint, the top fixed connection of dwang and regulation pole, threaded hole is seted up at the top of folder, the outer surface distribution of regulation pole has the external screw thread with screw hole looks adaptation, the screw hole is located the regulation pole under.

As a further scheme of the invention: the internally mounted of casing has the iron core, and is a plurality of the fixed block is align to grid directly over the iron core, and fixed block and iron core joint department contact.

As a still further scheme of the invention: the clamping piece comprises a mounting hole and a fastening piece, the fastening piece comprises a threaded rod and hexagonal threaded blocks, the threaded rod penetrates through the mounting hole, and the hexagonal threaded blocks are respectively in threaded sleeve joint on the outer surfaces of two end portions of the threaded rod.

As a still further scheme of the invention: the clamping piece is arranged in a U shape, an installation block is clamped in a groove formed by the clamping piece, and a ventilation pipe is fixedly connected inside the installation block.

The utility model provides a closed transformer substation based on assembly SCB transformer, includes and seals the frame, the inside bottom fixedly connected with joint piece of sealed frame, the joint groove has been seted up to the bottom center surface of casing, joint piece and corresponding joint groove joint.

As a still further scheme of the invention: including the installed part, the installed part includes mounting panel and universal wheel, the universal wheel rotates with the mounting panel to be connected, two the mounting panel is located the both sides in joint groove respectively.

As a still further scheme of the invention: the utility model discloses a seal frame, including sealed frame, regulation mechanism, spacing post, regulation block and spacing post, seal frame's inside right side and install adjustment mechanism, adjustment mechanism passes through the line hole and spacing post including leading to the line hole, spacing post passes through the form of joint, spacing post is cylindrical setting, spacing post is located and seals the surface in the frame outside and has seted up the spout, install the regulating block on the surface of spacing post, the regulating block passes through spout and spacing post sliding connection, install reset spring between regulating block and the spacing post.

As a still further scheme of the invention: a plurality of the one end that the regulating block is close to each other all is fan-shaped setting, and is a plurality of the centre forms circularly when the regulating block closes, circular diameter is less than the diameter of lead to the line hole.

As a still further scheme of the invention: the right side of sealing the frame installs ventilation mechanism, ventilation mechanism is the tubulose setting, the top of sealing the frame is the slope setting, seal the top of frame and install and shelter from the mechanism, fixed establishment is installed to the bottom of sealing the frame, shelter from the mechanism and include shielding plate and arc piece, shielding plate and arc piece fixed connection, the equal fixedly connected with stopper in both sides around the arc piece, two the top fixed connection of stopper and shielding plate, the bar mouth has been seted up to the tip of arc piece, the bar mouth is located arc piece upper portion, the shielding plate sets up with the inclined plane level of sealing the frame, the shielding plate is located ventilation mechanism directly over.

As a still further scheme of the invention: the fixing mechanism comprises a limiting shaft and a sleeve buckle, the inner part of the limiting shaft is rotatably connected with a loop bar, the sleeve buckle is rotatably connected with the sealing frame through the loop bar, one side, away from the loop bar, of the sleeve buckle is in a circular shape, the end portion, in the circular shape, of the sleeve buckle is provided with a loop hole, the loop hole is in a circular shape, the bottom end of the sealing frame is provided with a folding groove, and the sleeve buckle is connected with the corresponding folding groove in a clamping mode.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the limiting mechanism is arranged in the transformer, so that the iron cores after being combined in the transformer can be limited in multiple directions, the compactness among the iron cores is effectively improved, the problem of low closure degree among the iron core combinations is prevented, the closure degree of the iron core combinations is improved, magnetic flux generated in the transformer can conveniently pass through a magnetic circuit of the silicon steel sheet iron core, the influence of magnetic resistance on the transformer is reduced, and the working efficiency of the transformer is improved.

2. Through adjustment mechanism's setting, the influence that the circuit that can control the transformer produced to the transformer substation through the through-wire hole, it passes through after the through-wire hole to have solved traditional circuit, there is certain space between through-wire hole and the circuit, thereby lead to the rainwater to cause the impaired drawback of transformer through the inside of the through-wire hole inflow transformer substation in the closed transformer substation, and install the transformer substation in remote area, because there is the worm mouse in remote area, the phenomenon that the short circuit appears in the inside that the worm mouse got into the transformer substation through the through-wire hole appears in the easy appearance, the adjustment mechanism of setting can be adjusted through the through-wire hole, thereby the effectual impaired short circuit's of transformer phenomenon of avoiding.

3. Through the setting in universal wheel, joint piece and joint groove, can realize the quick installation and the removal of transformer to the required large-scale transformer's of being convenient for transportation among the large-scale transformer substation promotes the stability of transformer installation in the transformer substation and the installation effectiveness of transformer, has certain economic meaning in the practical application process.

4. The position that sets up to shelter from mechanism bar mouth can promote the range of rainwater through sheltering from mechanism drainage to promote the effect of sheltering from that shelters from the mechanism, guarantee closed transformer substation protects self when realizing the heat dissipation.

5. Through the setting of overlap buckle, can be convenient for seal the installation of frame, simultaneously, can strengthen seal the steadiness between the frame installation after and the ground through the overlap buckle to solved the strong wind weather and caused the phenomenon that seals frame 10 and appear rocking easily, thereby be convenient for transformer's in the transformer substation use.

Drawings

Fig. 1 is a perspective view of an SCB transformer and a closed substation based on the transformer.

Fig. 2 is a perspective view of the SCB transformer.

Fig. 3 is a perspective view of the SCB transformer.

Fig. 4 is a schematic diagram of the internal part structure of the SCB transformer.

Fig. 5 is a schematic diagram of the internal structure of the SCB transformer of fig. 2.

Fig. 6 is a schematic structural diagram of the SCB transformer fig. 5 with mounting clips and limiting blocks.

Fig. 7 is a perspective view of the SCB transformer clamp and the limiting mechanism clamping the iron core.

Fig. 8 is a perspective view of the fastener of fig. 7 of the SCB transformer.

Fig. 9 is a schematic diagram of the structure of the SCB transformer and the adjusting mechanism in fig. 4.

Fig. 10 is a perspective view of the retaining post of the SCB transformer of fig. 9.

Fig. 11 is a schematic structural diagram of a closed frame in the SCB transformer.

FIG. 12 is a schematic view of the structure of the shield mechanism of the SCB transformer of FIG. 11.

Fig. 13 is a schematic diagram of the bottom end structure of the closed frame of the SCB transformer of fig. 1.

In the figure: 10. sealing the frame; 11. a clamping block; 12. an adjustment mechanism; 121. a through hole; 122. a limiting column; 123. a return spring; 124. an adjusting block; 125. a chute; 20. a housing; 201. a power line; 202. a high voltage insulating sleeve; 21. a convection chamber; 22. an iron core; 23. a winding; 24. a limiting mechanism; 241. a fixed block; 242. rotating the rod; 243. adjusting a rod; 25. a mounting member; 251. mounting a plate; 252. a universal wheel; 253. a clamping groove; 26. a clamp; 261. a threaded hole; 262. mounting holes; 27. mounting blocks; 271. a vent pipe; 30. a fastener; 301. a threaded rod; 302. a hexagonal thread block; 31. a ventilation mechanism; 32. a shielding mechanism; 321. a shielding plate; 322. a limiting block; 323. an arc-shaped block; 324. a strip-shaped opening; 33. a fixing mechanism; 331. a folding slot; 332. sleeving and buckling; 333. trepanning; 334. a limiting shaft; 335. a loop bar.

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.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-13, an SCB transformer and a closed substation based on the transformer, the present invention includes the following embodiments:

example 1: according to fig. 1 to 8, the SCB transformer includes a closed frame 10 and a casing 20, the closed frame 10 is a main body part of a closed transformer station, the casing 20 is a main body part of the transformer, both sides of the casing 20 are fixedly connected with convection cavities 21, the convection cavities 21 are arranged to ventilate the inside of the casing 20, so as to facilitate dissipation of heat generated by the transformer in the casing 20, an iron core 22 is installed inside the casing 20, a frame of the iron core 22 is square, the iron core 22 is composed of two beams and three pillars, the iron core 22 is formed by combining silicon steel sheets after silicon steel sheets are pressed, a winding 23 is sleeved on the iron core 22, a power line 201 is installed on the winding 23, the power line 201 extends to the outside of the casing 20, a high-voltage insulating sleeve 202 is fixedly sleeved on the power line 201 extending to the outside of the casing 20, and the high-voltage insulating sleeve 202 can protect the power line 201, prevent that the phenomenon of electric leakage from producing, folder 26 is installed to the bottom of iron core 22, two folder 26 carries out the centre gripping to iron core 22, folder 26 is the U-shaped setting, and the joint has installation piece 27 on the inside wall of U-shaped folder 26, the inside of installation piece 27 transversely runs through there is ventilation pipe 271, and the heat that ventilation pipe 271 produced the transformer dispels the heat, ventilation pipe 271 and installation piece 27 fixed connection, mounting hole 262 has all been seted up to folder 26's both sides, two install fastener 30 between the corresponding mounting hole 262, two folder 26 carries out the centre gripping to iron core 22 bottom combination place through fastener 30, fastener 30 includes threaded rod 301 and hexagonal thread block 302, two hexagonal thread block 302 screw cup joints on threaded rod 301, stop gear 24 is installed at the top of iron core 22, stop gear 24 includes fixed block 241, 241, Dwang 242 and regulation pole 243, it is a plurality of the dwang 242 is rotated with the bottom of fixed block 241 and is connected, the fixed pole 243 that has cup jointed in bottom of dwang 242, screw hole 261 has been seted up at the top of folder 26, it has the external screw thread with screw hole 261 assorted to distribute on the surface of regulation pole 243, adjust pole 243 and corresponding screw hole 261 threaded connection, the place that fixed block 241 is connected with iron core 22 is directly over the produced gap when the iron core 22 makes up.

In this embodiment, the convection cavity 21 and the ventilation pipe 271 can circulate the heat generated by the transformer, thereby performing a heat dissipation function, and meanwhile, the high voltage insulating sleeve 202 is installed on the power line 201 of the transformer, thereby improving the safety of the transformer in use, placing the two clamping pieces 26 at the front and rear ends of the iron core 22 and contacting with the iron core 22, at this time, the upper and lower ends of the gap formed after the iron core 22 is combined are clamped by the mutually close ends of the clamping pieces 26, thereby avoiding the phenomenon that the iron core 22 falls off, clamping the iron core 22 by the clamping pieces 26 by the fastening pieces 30, penetrating the threaded rods 301 on the fastening pieces 30 through the corresponding mounting holes 262 on the two fastening pieces 30, then, sleeving the hexagonal thread blocks 302 at the two ends of the threaded rods 301, rotating the hexagonal thread blocks 302, and clamping the iron core 22 by the two fastening pieces 30, then, the limiting mechanism 24 is placed on the top of the iron core 22, by arranging the fixed block 241 in the limiting mechanism 24 to only contact with the position right above the clamping position of the iron core 22, thereby concentrating the acting force of the limiting mechanism 24 on the iron core 22 to the clamping position of the iron core 22, reducing the extrusion force divided by the closed position of the iron core 22, enhancing the limiting of the limiting mechanism 24 on the iron core 22, since the rotating rod 242 is rotatably coupled to the fixing block 241 of the limiting mechanism 24, and the adjusting rod 243 fixedly coupled to the rotating rod 242 is screw-coupled to the screw hole 261, accordingly, the adjustment lever 243 is rotated to adjust the distance between the fixing block 241 and the clip 26, thereby realizing the limit of the limiting mechanism 24 to the iron core 22, providing extrusion to the iron core 22 through the limiting mechanism 24, thereby increase the effort of iron core 22 joint direction, promote iron core 22's stability and degree of compaction, solved the closed incomplete transformer availability factor who leads to of iron core 22 and reduced the problem.

Example 2: according to fig. 1, 4, 9 and 10: on the basis of the closed transformer substation provided with the SCB transformer, on the basis of embodiment 1, the closed transformer substation comprises an adjusting mechanism 12 installed on the right side inside a closed frame 10, wherein the adjusting mechanism 12 comprises a through hole 121 and a limiting post 122, the limiting post 122 is formed by clamping two limiting posts 122, the through hole 121 is located on the lower portion of the right side of the closed frame 10, the limiting post 122 penetrates through the closed frame 10 through the through hole 121, a sliding groove 125 is formed in the limiting post 122 located on the outer side of the closed frame 10, an adjusting block 124 is connected to the inside of the sliding groove 125 in a sliding manner, a return spring 123 is installed between the adjusting block 124 and the limiting post 122, a plurality of adjusting blocks 124 are closed to form a round hole, the diameter of the formed round hole is smaller than that of the through hole 121, it needs to be noted that, the return spring 123 is in a contracted state in an initial state, and the return spring 123 can facilitate the return of the adjusting block 124, thereby limiting the line.

In this embodiment, the power lines 201 of a plurality of transformers installed in the closed frame 10 of the substation need to penetrate out of the closed frame 10 through the through-line holes 121, in an initial state, the adjusting blocks 124 shield the through-line holes 121, when the power lines 201 need to be pulled out of the closed frame 10, the adjusting blocks 124 are pulled to slide in the sliding grooves 125, the adjusting blocks 124 are pulled until the through-line holes 121 are no longer shielded, at this time, the adjusting blocks 124 are clamped with the sliding grooves 125, a relatively fixed state is formed between the adjusting blocks 124 and the sliding grooves 125, the power lines 201 are pulled out of the closed frame 10 through the through-line holes 121, after completion, the adjusting blocks 124 are pushed to release the clamping between the adjusting blocks 124 and the sliding grooves 125, the adjusting blocks 124 move towards the through-line holes 121 under the action of the reset springs 123, the adjusting blocks 124 shield the through-line holes 121 after movement, at this time, the adjusting blocks 124 limit the power lines 201, power cord 201 wears out sealed frame 10 through the round hole that a plurality of regulating blocks 124 formed, setting through adjustment mechanism 12, the circuit that can control the transformer is through the influence that leads to line hole 121 to the transformer substation production, it passes through behind line hole 121 to have solved traditional circuit, there is certain space between line hole 121 and the circuit, thereby lead to the rainwater to cause the impaired drawback of transformer through the inside of the line hole 121 inflow transformer substation in the closed transformer substation, and install the transformer substation in remote area, because there is the worm mouse in remote area, the inside that the worm mouse got into the transformer substation through the line hole appears easily leads to the phenomenon of short circuit, adjustment mechanism 12 of setting can adjust line hole 121, thereby the effectual phenomenon of avoiding the impaired short circuit of transformer.

Example 3: according to fig. 1-4, on the basis of embodiment 1 or embodiment 2, the closed-type substation based on the assembly of the SCB transformer includes a mounting member 25, where the mounting member 25 includes a mounting plate 251, a universal wheel 252 and a clamping groove 253, the universal wheel 252 is rotatably connected with the mounting plate 251, the mounting plate 251 is fixedly connected to two sides of the bottom end of the housing 20, the clamping groove 253 is fixedly connected with the bottom center of the housing 20, a clamping block 11 is fixedly connected to the inner bottom end of the closed frame 10, and the clamping block 11 is clamped with the corresponding clamping groove 253.

In this embodiment, when installing the transformer inside the transformer substation, the removal of transformer is realized in the rotation through universal wheel 252 to the transportation of the transformer of being convenient for, when the transformer moved the sealed frame 10 inside of transformer substation through universal wheel 252, with on the joint piece 11 of sealed frame 10 inside joint is connected to the joint groove 253 joint of casing 20 bottom, accomplish casing 20 and sealed spacing of frame 10, guarantee the stability between transformer and the transformer substation.

Example 4: according to fig. 11-12, based on the closed transformer substation equipped with the SCB transformer, on the basis of embodiment 1, embodiment 2 and embodiment 3, a ventilation mechanism 31 is installed on the right side of the closed frame 10, the ventilation mechanism 31 is in a tubular configuration, the top of the closed frame 10 is in an inclined configuration, a shielding mechanism 32 is installed on the top of the closed frame 10, a fixing mechanism 33 is installed at the bottom end of the closed frame 10, the shielding mechanism 32 includes a shielding plate 321 and an arc block 323, the shielding plate 321 is fixedly connected with the arc block 323, both front and back sides of the arc block 323 are fixedly connected with limit blocks 322, two limit blocks 322 are fixedly connected with the top end of the shielding plate 321, a bar-shaped opening 324 is opened at the end of the arc block 323, the bar-shaped opening 324 is located at the upper portion of the arc block 323, the shielding plate 321 is horizontally arranged with the inclined surface of the closed frame 10, the shielding plate 321 is located right above the ventilation mechanism 31.

This embodiment, in the time of rainy, the rainwater shelters from ventilation mechanism 31 and lead to line hole 121 through sheltering from mechanism 32 to the effectual rainwater of avoiding gets into the inside of sealing frame 10 through ventilation mechanism 31 and causes the damage of transformer, and simultaneously, the position that sets up sheltering from mechanism 32 bar mouth 324 can promote the rainwater through the range of sheltering from mechanism 32 drainage, thereby promotes the effect of sheltering from mechanism 32.

Example 5: according to fig. 11 and 13, based on the closed transformer substation equipped with the SCB transformer, on the basis of embodiment 1, embodiment 2, embodiment 3 and embodiment 4, the fixing mechanism 33 includes a limiting shaft 334 and a loop fastener 332, the inside of the limiting shaft 334 is rotatably connected with a loop bar 335, the loop fastener 332 is rotatably connected with the closed frame 10 through the loop bar 335, one side of the loop fastener 332 far away from the loop bar 335 is circularly arranged, the end of the loop fastener 332 circularly arranged is provided with a loop hole 333, the loop hole 333 is circularly arranged, the bottom end of the closed frame 10 is provided with a folding groove 331, and the loop fastener 332 is clamped with the corresponding folding groove 331.

In this embodiment, it should be noted that the ground on which the sealing frame 10 is installed is provided with a fixing hook, and when the sealing frame 10 required by the closed transformer substation is installed, the sleeve fastener 332 at the bottom of the sealing frame 10 is installed on the corresponding fixing hook on the ground of the transformer substation, so as to fix the sealing frame 10, and avoid the phenomenon that the sealing frame 10 of the transformer substation shakes in windy weather.

The working principle is as follows:

firstly, it should be noted that, a fixing hook is arranged on the ground where the closed frame 10 is installed, when the closed frame 10 required by the closed transformer substation is installed, the sleeve buckle 332 at the bottom of the closed frame 10 is installed on the corresponding fixing hook on the ground of the transformer substation, so as to fix the closed frame 10, thereby avoiding the shaking phenomenon of the closed frame 10 of the transformer substation in windy weather, completing the installation of the transformer substation, then, when the transformer is installed inside the transformer substation, the movement of the transformer is realized through the rotation of the universal wheel 252, thereby facilitating the transportation of the transformer, when the transformer is moved inside the closed frame 10 of the transformer substation through the universal wheel 252, the clamping groove 253 at the bottom of the casing 20 is clamped on the clamping block 11 inside the closed frame 10, completing the limit between the casing 20 and the closed frame 10, ensuring the stability between the transformer and the transformer substation, then, the two clamping pieces 26 are placed at the front and rear ends of the iron core 22 and are contacted with the iron core 22, at this time, the upper and lower ends of the gap formed after the iron core 22 is combined are clamped by the ends of the clamping pieces 26 close to each other, so as to avoid the phenomenon that the iron core 22 falls off, the clamping pieces 30 are utilized to clamp the iron core 22, the threaded rods 301 on the fastening pieces 30 penetrate through the corresponding mounting holes 262 on the two fastening pieces 30, then the hexagonal threaded blocks 302 are sleeved at the two ends of the threaded rods 301, the hexagonal threaded blocks 302 are rotated, the hexagonal threaded blocks 302 and the threaded rods 301 realize the clamping of the two fastening pieces 30 on the iron core 22, then the limiting mechanism 24 is placed at the top of the iron core 22, the fixing block 241 in the limiting mechanism 24 is only contacted with the position right above the clamping position of the iron core 22, so that the acting force of the limiting mechanism 24 on the iron core 22 is concentrated at the clamping position of the iron core 22, the extrusion force split at the closing position of the iron core 22 is reduced, and the limiting of the iron core 22 by the limiting mechanism 24 is enhanced, because the rotating rod 242 is rotatably connected with the fixed block 241 on the limiting mechanism 24, and the adjusting rod 243 fixedly connected with the rotating rod 242 is in threaded connection with the threaded hole 261, the distance between the fixed block 241 and the clamping piece 26 can be adjusted by rotating the adjusting rod 243, so that the iron core 22 is limited by the limiting mechanism 24, the iron core 22 is extruded by the limiting mechanism 24, so that the acting force in the clamping direction of the iron core 22 is increased, the iron core 22 combined inside the transformer can be limited in multiple directions by arranging the limiting mechanism 24 inside the transformer, so that the compactness between the iron cores 22 is effectively improved, the problem of low closeness between the iron core 22 combinations is solved, the magnetic flux generated in the transformer can conveniently pass through the magnetic circuit of the silicon steel sheet iron core 22 by improving the closeness at the iron core 22 combinations, and the influence of the magnetic resistance on the transformer is reduced, the work efficiency of promotion transformer promotes iron core 22's stability, has solved the closed incomplete transformer availability factor who leads to of iron core 22 and has reduced the problem.

Finally, the power lines 201 of a plurality of transformers installed in the closed frame 10 of the substation need to penetrate out of the closed frame 10 through the through-hole 121, in an initial state, the adjusting block 124 shields the through-hole 121, when the power lines 201 need to be pulled out of the closed frame 10, the adjusting blocks 124 are pulled to slide in the sliding grooves 125, the adjusting blocks 124 are pulled until the through-hole 121 is no longer shielded, at this time, the adjusting blocks 124 are clamped with the sliding grooves 125, a relatively fixed state is formed between the adjusting blocks 124 and the sliding grooves 125, the power lines 201 are pulled out of the closed frame 10 through the through-hole 121, after the completion, the adjusting blocks 124 are pushed to release the clamping between the adjusting blocks 124 and the sliding grooves 125, the adjusting blocks 124 move towards the through-hole 121 under the action of the reset spring 123, the adjusting blocks 124 shield the through-hole 121 after the movement, at this time, the adjusting blocks 124 limit the power lines 201, the power lines 201 penetrate out of the closed frame 10 through the through-hole formed by the adjusting blocks 124, through the arrangement of the adjusting mechanism 12, the influence of the line of the transformer on the transformer substation through the through hole 121 can be controlled, the defect that the transformer is damaged due to the fact that rainwater flows into the transformer substation through the through hole 121 in the closed transformer substation through a certain gap existing between the through hole 121 and the line after the traditional line passes through the through hole 121 is overcome, the transformer substation is installed in a remote area, the phenomenon that the transformer is short-circuited due to the fact that the bug and the mouse easily enter the transformer substation through the through hole due to the existence of the bug and the mouse in the remote area is easily caused, the adjusting mechanism 12 can adjust the through hole 121, the phenomenon that the transformer is damaged and short-circuited is effectively avoided, the shielding mechanism 32 can shield the ventilation mechanism 31 and the through hole 121 when raining, and the damage of the transformer due to the fact that rainwater enters the closed frame 10 through the ventilation mechanism 31 is effectively avoided, meanwhile, the position of the strip-shaped opening 324 of the shielding mechanism 32 can improve the range of rainwater drained through the shielding mechanism 32, so that the shielding effect of the shielding mechanism 32 is improved.

It should be noted that the clip 26 in the present application is an application of the prior art, and the limiting mechanism 24 is an innovative point of the present application, which effectively solves the problem of low contact stability of the iron core 22.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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

1. The utility model provides a SCB transformer, includes folder (26) and casing (20), its characterized in that, stop gear (24) are installed on the inside top of casing (20), stop gear (24) are including fixed block (241), dwang (242) and regulation pole (243), dwang (242) and fixed block (241) swing joint, the top fixed connection of dwang (242) and regulation pole (243), screw hole (261) have been seted up at the top of folder (26), the outer surface distribution of adjusting pole (243) has the external screw thread with screw hole (261) looks adaptation, screw hole (261) are located regulation pole (243) under, the internally mounted of casing (20) has iron core (22), stop gear (24) are installed at the top of iron core (22), the frame of iron core (22) is square, and iron core (22) constitute for two crossbeams and three pillar, the iron core (22) is sleeved with a winding (23), a power line (201) is installed on the winding (23), the power line (201) extends to the outside of the shell (20), a high-voltage insulating sleeve (202) is fixedly sleeved on the power line (201) extending to the outside of the shell (20), the clamping piece (26) is installed at the bottom end of the iron core (22), the clamping piece (26) clamps the iron core (22), the clamping piece (26) is arranged in a U shape, an installation block (27) is clamped in a groove formed by the clamping piece (26), a ventilation pipe (271) is fixedly connected to the inside of the installation block (27), the ventilation pipe (271) is fixedly connected with the installation block (27), the clamping piece (26) comprises installation holes (262) and fasteners (30), the fasteners (30) are installed between the two corresponding installation holes (262), and the combination position of the bottom of the iron core (22) is clamped by the two clamping pieces (26) through the fasteners (30), the fastener (30) comprises a threaded rod (301) and hexagonal thread blocks (302), the threaded rod (301) penetrates through the mounting hole (262), and the two hexagonal thread blocks (302) are respectively sleeved on the outer surfaces of the two end portions of the threaded rod (301) in a threaded manner.

2. The SCB transformer according to claim 1, wherein the plurality of fixing blocks (241) are uniformly arranged right above the core (22), and the fixing blocks (241) are in contact with the clamping portion of the core (22).

3. A closed transformer substation, includes the SCB transformer of any one of claims 1-2, still includes closed frame (10), characterized in that, the inside bottom fixedly connected with joint piece (11) of closed frame (10), joint groove (253) has been seted up to the bottom center surface of casing (20), joint piece (11) and corresponding joint groove (253) joint.

4. A closed substation according to claim 3, comprising a mounting member (25), characterized in that the mounting member (25) comprises a mounting plate (251) and a universal wheel (252), the universal wheel (252) being rotatably connected to the mounting plate (251), the two mounting plates (251) being located on either side of a snap-in groove (253).

5. The closed transformer substation of claim 4, characterized in that adjustment mechanism (12) is installed on the inside right side of sealing frame (10), adjustment mechanism (12) is including leading to line hole (121) and spacing post (122), spacing post (122) passes leading to line hole (121) through the form of joint, spacing post (122) are cylindrical setting, spout (125) have been seted up on the surface that spacing post (122) are located sealing frame (10) outside, install regulating block (124) on the surface of spacing post (122), regulating block (124) pass through spout (125) and spacing post (122) sliding connection, install reset spring (123) between regulating block (124) and spacing post (122).

6. A closed substation according to claim 5, characterized in that the end of the plurality of regulating blocks (124) that is close to each other is fan-shaped, and the middle of the plurality of regulating blocks (124) forms a circle when closed, and the diameter of the circle is smaller than the diameter of the through hole (121).

7. The closed transformer substation of claim 6, characterized in that a ventilation mechanism (31) is installed on the right side of the closed frame (10), the ventilation mechanism (31) is arranged in a tubular shape, the top of the closed frame (10) is arranged in an inclined manner, a shielding mechanism (32) is installed on the top of the closed frame (10), a fixing mechanism (33) is installed at the bottom end of the closed frame (10), the shielding mechanism (32) comprises a shielding plate (321) and an arc-shaped block (323), the shielding plate (321) is fixedly connected with the arc-shaped block (323), limiting blocks (322) are fixedly connected to the front side and the rear side of the arc-shaped block (323), the two limiting blocks (322) are fixedly connected with the top end of the shielding plate (321), a strip-shaped opening (324) is formed in the end of the arc-shaped block (323), and the strip-shaped opening (324) is located at the upper portion of the arc-shaped block (323), the shielding plate (321) and the inclined surface of the closed frame (10) are horizontally arranged, and the shielding plate (321) is positioned right above the ventilation mechanism (31).

8. The closed transformer substation of claim 7, wherein the fixing mechanism (33) comprises a limiting shaft (334) and a sleeve buckle (332), a sleeve rod (335) is rotatably connected to the interior of the limiting shaft (334), the sleeve buckle (332) is rotatably connected with the closed frame (10) through the sleeve rod (335), one side of the sleeve buckle (332), which is far away from the sleeve rod (335), is circularly arranged, a sleeve hole (333) is formed in the end portion, which is circularly arranged, of the sleeve buckle (332), the sleeve hole (333) is circularly arranged, a folding groove (331) is formed in the bottom end of the closed frame (10), and the sleeve buckle (332) is clamped with the corresponding folding groove (331).