CN115410795B

CN115410795B - Surrounding type cooling transformer

Info

Publication number: CN115410795B
Application number: CN202211231243.7A
Authority: CN
Inventors: 张美岐
Original assignee: Baoding Central Asia Electric Co ltd
Current assignee: Baoding Central Asia Electric Co ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-06-16
Anticipated expiration: 2042-10-10
Also published as: CN115410795A

Abstract

The invention relates to the technical field of intelligence, in particular to a surrounding type cooling transformer, which comprises: the cantilever beam installation frame assembly is used for installing the whole transformer on the cable rod body, the cantilever beam installation frame assembly is wrapped on the transformer, and the bottom of the transformer is fixed on the bearing surface of the inner wall of the cantilever beam installation frame assembly. When the integral transformer is used, the protective cover is arranged to surround the drainage device, so that the drainage device above is kept in a stable state when external heat exchange is performed, the safety of the drainage device is guaranteed, the drainage device is used for conveying cooling oil below upwards, cooling oil with temperature heated inside flows to the outside to achieve heat dispersion, the purpose of cooling is achieved, after the cooling oil is conveyed to the upper part of the transformer, the cooling oil flows by utilizing gravity of the oil to cover the surface of the transformer, and the cooling oil is in stable contact with the surface of an oil liquid film.

Description

Surrounding type cooling transformer

Technical Field

The invention relates to the technical field of power supply equipment, in particular to a surrounding type cooling transformer.

Background

A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and the 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 transformers), and the like. The method can be divided into the following according to the purposes: power transformers and special transformers (electric furnace transformers, rectifier transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, medium frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, transformers, etc.).

The existing transformer adopts an oil cooling mode to cool heat generated in the operation of the transformer, mainly utilizes the difference of specific heat capacity of cooling oil to limit rapidly generated high-temperature objects, and the cooling oil in the existing transformer is in a static state, namely when the heat is gathered, the cooling oil wrapped in a heat source is used for conducting the heat outwards, so that the heat conducting efficiency is extremely poor due to the mobility of the cooling oil, the mode is only suitable for the condition that the transformer is empty or light in operation, and when the overload transformer is not in cooling operation, liquid leakage is easy to cause, and the explosion of the transformer is caused by the internal heat gathering.

The inventors have aimed at the above-mentioned current situation to solve the above-mentioned technical problems.

Disclosure of Invention

In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps: a girth type cooling transformer comprising:

the cantilever mounting frame assembly is used for mounting the whole transformer on a cable rod body, the cantilever mounting frame assembly is wrapped on the transformer, and the bottom of the transformer is fixed on a bearing surface of the inner wall of the cantilever mounting frame assembly;

the integrated transformer comprises a shell part and a transformer assembly, wherein the shell part is sleeved on the transformer assembly, the bottom of the shell part is fixedly connected with a connecting seat, and the connecting seat is fixedly connected to the bottom of the inner wall of the cantilever beam mounting frame assembly;

the middle end of the surrounding drainage device is exposed right above the shell part, the other end of the surrounding drainage device penetrates through one side of the shell part, and the other end of the surrounding drainage device is located right above the transformer assembly;

the protection cover is fixedly connected to the top of the integral transformer, and the integral transformer is provided with a plurality of protection through openings, and the protection through openings are used for reinforcing the surrounding drainage device.

According to the annular cooling transformer disclosed by the invention, preferably, the cantilever mounting rack assembly comprises a bearing base plate, two symmetrically arranged bearing clamping grooves are formed in the bottom of the bearing base plate, two vertically arranged reinforcing strips are fixedly connected to the left side and the right side of the top of the bearing base plate, two opposite sides of the reinforcing strips are fixedly connected through connecting strips, transverse strips are transversely connected to the tops of the two reinforcing strips, opening grooves are formed in one sides of the tops of the front transverse strip and the rear transverse strip, reinforcing beams are fixedly connected in the longitudinal two opening grooves through fastening bolts, and a tightening sleeve for being fixed on a cable rod is fixedly connected to the outer side of the reinforcing beams.

In the annular cooling transformer disclosed by the invention, preferably, the shell part comprises an explosion-proof cover, the connecting seat comprises an explosion-proof seat, the explosion-proof seat is fixedly connected with the explosion-proof cover, a sealing base is fixedly connected in the explosion-proof seat, a plurality of annular grooves are formed in the surface of the explosion-proof cover, a frame type outer cooling grid is sleeved in each annular groove, and the sealing base is fixedly communicated with the bottom of the transformer assembly.

In the annular cooling transformer disclosed by the invention, preferably, the annular drainage device comprises a cooling tank, the cooling tank is fixedly connected in the sealing base, a plurality of calandria pipes are fixedly connected at equal intervals to the bottom of the inner wall of the cooling tank, one side of each calandria pipe is fixedly communicated with a main connecting pipe, one end of each main connecting pipe is fixedly communicated with a liquid inlet sleeve, a miniature liquid discharging pump is arranged on the liquid inlet sleeve, the other end of each calandria pipe is fixedly communicated with a vertical square cooling sleeve, the top end of each vertical square cooling sleeve is fixedly communicated with a first bent pipe, the top end of the first bent pipe is fixedly communicated with a U-shaped pipe, the top of the U-shaped pipe is provided with radiating fins in a penetrating manner, one end of the U-shaped pipe is fixedly communicated with a second bent pipe, and the bottom end of the second bent pipe is fixedly communicated with a branch guide head.

In the annular cooling transformer of the present invention, preferably, the heat dissipating blade includes a sealing strip portion, vertical isolation heat conducting strips are equidistantly disposed at the bottom of the sealing strip portion, and the vertical isolation heat conducting strips divide the inner cavity channel of the U-shaped tube into a plurality of micro channels.

In the annular cooling transformer disclosed by the invention, preferably, the transformer assembly comprises a collecting box, a grid baffle is arranged in the middle of the collecting box, the collecting box is divided into two mounting chambers by the grid baffle, a gathering sleeve is fixedly connected in the mounting chambers, a gathering cavity is arranged at the top of the gathering sleeve, a cylindrical fixing cavity is penetrated through the middle of the top of the gathering sleeve, a transformer device is fixedly connected in the cylindrical fixing cavity, an annular gap is reserved between the cylindrical fixing cavity and the transformer device, a sealing sleeve is sleeved on the transformer device, a fixing ring is sleeved above an inner cavity of the annular gap, and permeable shunt grooves are equidistantly arranged on the fixing ring.

In the annular cooling transformer disclosed by the invention, preferably, the inner wall of the cylindrical fixing cavity is fixedly connected with the liquid collecting cover at equal distance, the top of the liquid collecting cover is fixedly connected with the guide plate, an arc-shaped channel is arranged between the guide plate and the voltage transformation device, and the bottom of the guide plate is fixedly connected with the arc-shaped clamping sheet at the position of the arc-shaped channel.

In the encircling cooling transformer disclosed by the invention, preferably, the inner wall of the cylindrical fixing cavity is equidistantly provided with a plurality of flow dividing plates, a vacant cavity is arranged between the plurality of flow dividing plates at two sides, a vertical channel is formed between two adjacent flow dividing plates, the inner sides of the plurality of vertical channels are provided with a flow passing groove, a floating plate is sleeved in the flow passing groove, the top of the floating plate is fixedly connected with a fixing strip, the top of the fixing strip is fixedly connected with a floating ball, the inner wall of the floating ball is fixedly connected with a plurality of magnetic bags, and the inner cavity of the floating ball is provided with a vacuum cavity.

In the encircling type cooling transformer disclosed by the invention, preferably, one side of the floating ball is fixedly connected with a guide rod, the guide rod penetrates through the inner cavity of the vertical channel, two sides of the guide rod are in contact with the surfaces of filter screen layers arranged on two sides of the inner wall of the vertical channel, the edges of the filter screen layers are provided with vertical limiting strips for limiting the guide rod, the bottom of the liquid collecting cover is fixedly connected with a sealing plate, a space is reserved between the bottom of the arc-shaped flow clamping piece and the sealing plate, and the flow through groove is communicated with the inner cavity of the cooling pool.

In the annular cooling transformer of the present invention, preferably, the outer surfaces of the first bent pipe, the U-shaped pipe, the second bent pipe and the cooling fins are provided with an anti-corrosion layer, and the cooling tank is filled with cooling oil.

The invention has at least the following beneficial effects:

through four post cable poles all carrying out the frame and handling, after fixing the cantilever beam mounting bracket assembly, can realize the operation of installing holistic transformer, the setting of protective cover is used for enclosing the drainage ware with the ring, make the drainage ware that encloses that is located the top keep steady state when outside heat exchange, the safety of enclosing the drainage ware has been guaranteed, in addition, the protective cover can form the water curtain with the rainwater to outside dispersion, avoid the rainwater to gather the condition that forms ponding at holistic transformer surface, the drainage ware is used for upwards carrying the cooling fluid of below, make the inside heated take the cooling oil of temperature to flow and realize the heat dispersion after the outside, in order to realize the purpose of cooling, after the cooling oil is carried to the transformer top in addition, utilize fluid gravity flow to make its cover at the surface of transformer, make its stable contact become the state of oily liquid film, the purpose of cooling that can be rapid realization like this.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic illustration of a cantilever mounting assembly of the present invention;

FIG. 3 is a schematic view of a manifold of the present invention;

FIG. 4 is a front cross-sectional view of the manifold of the present invention;

FIG. 5 is an enlarged view of the invention at A in FIG. 4;

FIG. 6 is an enlarged view of the invention at B in FIG. 4;

FIG. 7 is a schematic view of a circumferential flow diverter in accordance with the present invention.

In the figure, a cantilever beam mounting frame assembly, a 101 bearing base plate, a 102 bearing clamping groove, a 103 reinforcing strip, a 104 connecting strip, a 105 transverse strip, a 106 notch groove, a 107 reinforcing beam, a 2 connecting seat, a 201 sealing base, a 202 explosion-proof seat, a 3 transformer assembly, a 301 collecting box, a 301-1 mounting chamber, a 302 collecting sleeve, a 303 collecting cavity, a 304 grid baffle, a 305 cylindrical fixing cavity, a 306 fixing ring, a 307 sealing sleeve, a 308 permeation shunt groove, a 309 transformer device, a 310 empty cavity, a 311 vertical channel, a 312 filter screen layer, a 313 shunt plate, a 314 arc-shaped clip, a 315 liquid collecting cover, a 316 guide plate, a 317 arc-shaped channel, a 318 sealing plate, a 319 vertical limit strip, a 320 magnetic bag, a 321 vacuum cavity, a 322 floating ball, a 323 fixing strip, a 324 floating plate, a 325 guide rod, a 326 passing through a 4-ring drainage device, a 401U-shaped pipe, a 402 radiating blade, a 403 anti-corrosive layer, a 404, a 405 second flow groove, a 406 first square elbow, a 407 vertical cooling sleeve, a 408 cooling pond, a 409 total connecting pipe, 410 cooling oil liquid, a 411, a 412 micro drain pump, a 413, a 316 miniature drain pump, a 5-type drain casing, a 501, a 5-type explosion-proof housing, a frame casing, and an outer protection cover.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Example 1

As shown in fig. 1-7, the present invention provides a girth type cooling transformer comprising:

the cantilever mounting frame assembly 1 is used for mounting the whole transformer on a cable rod body, the cantilever mounting frame assembly 1 is wrapped on the transformer, and the bottom of the transformer is fixed on a bearing surface of the inner wall of the cantilever mounting frame assembly 1;

the integral transformer comprises a shell part 5 and a transformer assembly 3, wherein the shell part 5 is sleeved on the transformer assembly 3, the bottom of the shell part 5 is fixedly connected with a connecting seat 2, and the connecting seat 2 is fixedly connected with the bottom of the inner wall of the cantilever beam mounting frame assembly 1;

the annular drainage device 4, one end of the annular drainage device 4 is arranged in the connecting seat 2, the middle end of the annular drainage device 4 is exposed right above the shell part 5, the other end of the annular drainage device 4 penetrates through one side of the shell part 5, and the other end of the annular drainage device 4 is located right above the transformer assembly 3;

the protective cover 6, the top at whole transformer is covered 6 fixed connection to the protective cover, and whole transformer has a plurality of protection through-mouths, and the protection through-mouths is used for strengthening around drainage ware 4.

When the integral transformer is used, firstly, the four-column cable rods are subjected to the frame-erecting treatment, after the cantilever beam mounting frame assembly 1 is fixed, the integral transformer mounting operation can be realized, the protective cover 6 is arranged to surround the drainage device 4, so that the drainage device 4 above maintains a stable state when external heat exchange is carried out, the safety of the drainage device 4 is ensured, in addition, the protective cover 6 can disperse rainwater outwards to form a water curtain, the condition that rainwater gathers on the surface of the integral transformer to form ponding is avoided, the drainage device 4 is used for conveying cooling oil below upwards, so that the cooling oil with the temperature heated inside flows outside and then realizes heat dispersion, the purpose of cooling is realized, and in addition, after the cooling oil is conveyed to the upper part of the transformer, the cooling oil is covered on the surface of the transformer by utilizing the gravity flow of the oil, so that the cooling oil can be in stable contact to form an oil liquid film state, and the purpose of cooling can be realized rapidly.

When installing the transformer, cantilever beam mounting bracket assembly 1 includes bearing bed plate 101, bearing draw-in groove 102 that two symmetries set up have been seted up to bearing bed plate 101's bottom, the equal fixedly connected with of the top left and right sides of bearing bed plate 101 two vertical reinforcement bars 103 that set up, two opposite sides of reinforcement bars 103 pass through connecting bar 104 fixed connection, the top transverse connection of two reinforcement bars 103 has horizontal strip 105, opening groove 106 has all been seted up to one side at two horizontal strip 105 tops around, vertically two opening inslot pass through fastening bolt fixedly connected with stiffening beam 107, the outside fixedly connected with of stiffening beam 107 is used for fixing the tight collar on the cable beam.

Firstly, all carry out the frame treatment at four post cable poles, form the support of keeping flat of an H shape like this, with bearing draw-in groove 102 cover on the support of keeping flat of H shape, and adopt the bolt to fix it, fix the lock sleeve behind the top of horizontal strip 105, make the lock sleeve fix on the pole, all adopt the bolt to lock, through setting up to cantilever beam mounting bracket assembly 1, bearing base plate 101 can be used to carry out the whole bearing, two reinforcement strips 103 and connecting strip 104 form vertical H shape and enclose keep off, and through enclosing keep off the top at vertical H shape and set up horizontal strip 105, can play the basis of fixing whole transformer like this, can protect the transformer, avoid appearing the problem of dislocation to appear, fix whole on the pole through the lock sleeve moreover, can effectually carry out carrying out the lateral dispersion with holistic gravity, make the gravity disperse on the cable pole, and then guaranteed holistic balance and stability.

Example 2

The transformer still has the shell part, and shell part 5 includes explosion-proof cover 501, and connecting seat 2 includes explosion-proof seat 202, fixed connection between explosion-proof seat 202 and the explosion-proof cover 501, and explosion-proof seat 202 internal fixation has sealed base 201, and a plurality of surrounding grooves have been seted up on the surface of explosion-proof cover 501, and the surrounding groove endotheca is equipped with frame formula outer row cooling grid 502, and sealed base 201 and the fixed intercommunication of transformer assembly 3 bottom.

The explosion-proof seat 202 plays the protection to whole security with explosion-proof cover 501, and when explosion-proof cover 501 uses, owing to encircle the design in groove for frame formula outer row cooling grid 502 inside part embeds people and encircles the inslot, when the overload appears in inside transformer like this, the high temperature part that produces can realize radiating mesh with the inner wall contact of explosion-proof cover 501, and frame formula outer row cooling grid 502 inner wall and the heat contact of inside, play like this and dredge the heat of inside part, accomplish self radiating mesh, and then can increase radiating effect.

Example 3

Referring to fig. 7, the surrounding drainage device 4 includes a cooling tank 408, the cooling tank 408 is fixedly connected in the sealing base 201, a plurality of drain pipes 413 are fixedly connected at equal distance to the bottom of the inner wall of the cooling tank 408, one side of each drain pipe 413 is fixedly connected with a main connecting pipe 409, one end of each main connecting pipe 409 is fixedly connected with a liquid inlet sleeve 412, a miniature liquid discharging pump 411 is arranged on each liquid inlet sleeve 412, the other end of each drain pipe 413 is fixedly connected with a vertical square cooling sleeve 407, the top end of each vertical square cooling sleeve 407 is fixedly connected with a first bent pipe 406, the top end of each first bent pipe 406 is fixedly connected with a U-shaped pipe 401, the top of each U-shaped pipe 401 is provided with a radiating fin 402 in a penetrating manner, one end of each U-shaped pipe 401 is fixedly connected with a second bent pipe 404, the bottom end of each second bent pipe 404 is fixedly connected with a separating guide 405, the outer surfaces of each bent pipe 406, each U-shaped pipe 401, each second bent pipe 404 and each radiating fin 402 are provided with an anti-corrosion layer 403, and cooling oil 410 is filled in the cooling tank 408.

When overload high temperature occurs in the transformer, the micro liquid discharge pump 411 is provided with a temperature monitoring function, the micro liquid discharge pump 411 is arranged near the overload position of the transformer, when the temperature detector detects that the temperature is too high, the control circuit can be started to start the micro liquid discharge pump 411, so that the micro liquid discharge pump 411 sucks in the cooling oil 410 from the liquid inlet sleeve 412 and distributes the cooling oil 410 into the plurality of drain pipes 413, the cooling oil 410 passing through the drain pipes 413 enters the first bent pipe 406 from the vertical square cooling sleeve 407, flows to the upper side of the integration box 301 from the branch guide head 405 arranged on the second bent pipe 404 after passing through the U-shaped pipe 401, the purpose is that when the cooling oil 410 is gathered on the integration box 301, the cooling oil 410 can cover the surface of the transformer 309 to achieve the purpose of temperature exchange, and the cooling oil 410 can cool the temperature generated by the upper transformer 309 in the cooling tank 408, so that the temperature of the transformer 309 can be directly utilized to perform the temperature reduction in the normal state when the transformer is used, namely in the state of no-load and light load, the cooling oil 410 can flow upwards after the light load is cooled, the temperature is discharged, the temperature is quickly contacts with the outside, and the temperature of the transformer is reduced, and the purpose is achieved, and the temperature of the top is cooled when the overload temperature is high.

In order to increase the cooling rate of the heated cooling oil 410, the cooling fins 402 include a sealing strip portion, and vertical isolating heat conducting strips are equidistantly arranged at the bottom of the sealing strip portion and divide the inner cavity channel of the U-shaped tube 401 into a plurality of micro-channels.

Through setting up fin 402, divide equally the U-shaped pipe 401 inner chamber passageway into a plurality of micro-channels through the vertical isolation heat conduction strip on the fin 402, realize dispersion treatment in the time of having the cooling fluid 410 of temperature like this, improved the temperature loss rate, and after the cooling fluid 410 of vertical isolation heat conduction strip contact zone temperature, can be quick dredge the temperature, further improve the purpose of cooling like this.

Example 4

Based on the embodiment, referring to fig. 4, 5 and 6, the transformer assembly 3 includes a collecting box 301, a grid block 304 is provided in the middle of the collecting box 301, the grid block 304 divides the collecting box 301 into two installation chambers 301-1, a collecting sleeve 302 is fixedly connected in the installation chambers 301-1, a collecting cavity 303 is provided at the top of the collecting sleeve 302, a cylindrical fixing cavity 305 is provided in the middle of the top of the collecting sleeve 302 in a penetrating manner, a transformer 309 is fixedly connected in the cylindrical fixing cavity 305, an annular gap is reserved between the cylindrical fixing cavity 305 and the transformer 309, a sealing sleeve 307 is sleeved on the transformer 309, a fixing ring 306 is sleeved above the inner cavity of the annular gap, and permeable shunt grooves 308 are equidistantly provided on the fixing ring 306.

The cooling oil 410 is evenly distributed into the gathering cavity 303 above the gathering sleeve 302 by the distributing head 405, because the cylindrical fixing cavity 305, the gathering cavity 303, the conveying part of the surrounding drainage device 4 and the cooling pool 408 are in a closed loop, when the liquid level of the cooling oil 410 in the cooling pool 408 is reduced, the lower pressure is reduced, the air pressure of the gathering cavity 303 is increased, the cooling oil 410 can be helped to permeate downwards, the cooling oil 410 is further enabled to form a smooth and steady-flow state, the cooling rate is improved, after the cooling oil 410 gathers on the gathering cavity 303, under the action of the negative pressure below and the gravity of the cooling oil 410, the cooling oil can flow from the sealing sleeve 307 above the cylindrical fixing cavity 305 to the infiltration diversion groove 308, when the cooling oil 410 enters the diversion infiltration groove 308, a static state is formed in the gathering cavity 303 at first, the precipitation effect is effectively performed, and the isolation net is arranged in the infiltration groove 308 in the gathering cavity 303, so that the purified oil can be used for isolating impurities.

In the above embodiment, the inner wall of the cylindrical fixing cavity 305 is fixedly connected with the liquid collecting cover 315 at equal intervals, the top of the liquid collecting cover 315 is fixedly connected with the guide plate 316, an arc-shaped channel 317 is arranged between the guide plate 316 and the voltage transformation device 309, the bottom of the guide plate 316 is positioned in the arc-shaped channel 317, the arc-shaped flow clamping plates 314 are fixedly connected with one side of the guide plate 322, the inner wall of the cylindrical fixing cavity 305 is equidistantly separated from the plurality of flow dividing plates 313, a free cavity 310 is arranged between the plurality of flow dividing plates 313 on two sides, a vertical channel 311 is formed between two adjacent flow dividing plates 313, a through-flow groove 326 is arranged on the inner side of the plurality of vertical channels 311, a floating plate 324 is sleeved in the through-flow groove 326, a fixing strip 323 is fixedly connected with the top of the floating ball 322, a floating ball 322 is fixedly connected with the top of the fixing strip 323, a guide rod 325 is fixedly connected with the inner wall of the floating ball 322, a plurality of magnetic bags 320 are fixedly connected with the inner cavity 321 is arranged in the inner cavity of the floating ball 322, one side of the floating ball 322 is fixedly connected with a guide rod 325, two sides of the guide rod 325 penetrate through the inner cavity of the vertical channel 311, two sides of the guide rod 325 are contacted with the surfaces of the filter screen layer 312 arranged on two sides of the inner wall of the vertical channel 311, a vertical channel is formed between the two sides of the filter layer 312, a vertical limit 318 is used for connecting the vertical cavity 318 and a space, a groove 318 is used for connecting the guide rod 318 and a vertical cavity to the inner cavity is formed between the vertical cavity and the bottom of the vertical cavity 318 and a sealing plate 315 and a cooling cavity is fixedly connected with the bottom with the cooling cavity.

When the cooling oil 410 enters the position of the guide plate 316, the guide plate 316 disperses the cooling oil 410 into the arc-shaped channel 317 arranged between the guide plate 316 and the transformer 309, and as the arc-shaped flow clamping plate 314 is arranged at the bottom of the guide plate 316 and positioned at the position of the arc-shaped channel 317, when the cooling oil 410 passes through the arc-shaped channel 317 arranged between the arc-shaped flow clamping plate 314 and the transformer 309, an oil curtain can be formed, the cooling oil can fully contact with the transformer 309, and then a surrounding state can be formed, so that the purpose of full contact is realized, the contacted cooling oil 410 is gathered under the action of the liquid gathering cover 315, a space is formed between the sealing plate 318 and the bottom of the arc-shaped flow clamping plate 314, and then the liquid level of the cooling oil 410 rises upwards on the arc-shaped flow clamping plate 314, so that on one hand, the contacted oil forms a precipitated state, and the oil is gathered in the overflow groove 326, in the process of rising of the liquid level, the floating ball 322 and the floating ball 322 can be lifted upwards, so that the magnetic bag 320 can adsorb metal in oil, in addition, whenever the floating ball 322 and the floating ball 322 are lifted upwards, the guide rod 325 can be in contact with the surface of the filter screen layer 312, scraping operation can be realized on the surface of the filter screen layer 312, the collected oil can be rapidly conducted at a high temperature, impurities can be collected through the arc-shaped channel 317 and the arc-shaped flow clamping piece 314, the purpose of oil flow can be achieved in the rapid cooling process, heat can be rapidly transferred, the operation can be further carried out on removing the impurities in the oil, and the safety of the transformer is further ensured under the conditions of no-load, light load and overload of the surrounding type design.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.

While the foregoing description illustrates and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept, either as a result of the foregoing teachings or as a result of the knowledge or skills of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.

Claims

1. A girth type cooling transformer, comprising:

the protective cover is fixedly connected to the top of the integral transformer and is provided with a plurality of protective through openings, and the protective cover is used for reinforcing the surrounding drainage device;

the shell part comprises an explosion-proof cover, the connecting seat comprises an explosion-proof seat, the explosion-proof seat is fixedly connected with the explosion-proof cover, a sealing base is fixedly connected in the explosion-proof seat, a plurality of surrounding grooves are formed in the surface of the explosion-proof cover, a frame type outer cooling grid is sleeved in the surrounding grooves, and the sealing base is fixedly communicated with the bottom of the transformer assembly;

the circular drainage device comprises a cooling tank, the cooling tank is fixedly connected in a sealing base, a plurality of calandria are fixedly connected at the bottom of the inner wall of the cooling tank at equal intervals, one side of each calandria is fixedly communicated with a main connecting pipe, one end of each main connecting pipe is fixedly communicated with a liquid inlet sleeve, a miniature liquid discharging pump is arranged on the liquid inlet sleeve, the other end of each calandria is fixedly communicated with a vertical square cooling sleeve, the top end of the vertical square cooling sleeve is fixedly communicated with a first bent pipe, the top end of the first bent pipe is fixedly communicated with a U-shaped pipe, the top of the U-shaped pipe is provided with radiating fins in a penetrating mode, one end of the U-shaped pipe is fixedly communicated with a second bent pipe, and the bottom end of the second bent pipe is fixedly communicated with a split guide head;

the heat radiating blade comprises a sealing strip-shaped part, vertical isolation heat conducting strips are arranged at the bottom of the sealing strip-shaped part at equal intervals, and divide the inner cavity channel of the U-shaped pipe into a plurality of micro channels;

the transformer assembly comprises a collecting box, a grid baffle is arranged in the middle of the collecting box, the grid baffle divides the collecting box into two installation chambers, a gathering sleeve is fixedly connected in the installation chambers, the top of the gathering sleeve is provided with a gathering cavity, a cylindrical fixing cavity is arranged in the middle of the top of the gathering sleeve in a penetrating manner, a transformer device is fixedly connected in the cylindrical fixing cavity, an annular gap is reserved between the cylindrical fixing cavity and the transformer device, a sealing sleeve is sleeved on the transformer device, a fixing ring is sleeved above the inner cavity of the annular gap, and permeable shunt grooves are equidistantly formed in the fixing ring;

the liquid collecting cover is fixedly connected to the inner wall of the cylindrical fixing cavity at equal intervals, the guide plate is fixedly connected to the top of the liquid collecting cover, an arc-shaped channel is arranged between the guide plate and the voltage transformation device, and an arc-shaped flow clamping sheet is fixedly connected to the bottom of the guide plate at the position of the arc-shaped channel;

the inner wall of the cylindrical fixed cavity is equidistantly separated from the cylindrical fixed cavity to form a plurality of flow distribution plates, a vacant cavity is arranged between the plurality of flow distribution plates at two sides, a vertical channel is formed between every two adjacent flow distribution plates, a flow passing groove is arranged at the inner side of each vertical channel, a floating plate is sleeved in each flow passing groove, the top of each floating plate is fixedly connected with a fixing strip, the top of each fixing strip is fixedly connected with a floating ball, the inner wall of each floating ball is fixedly connected with a plurality of magnetic bags, and a vacuum cavity is formed in the inner cavity of each floating ball;

one side fixedly connected with guide bar of floater, the guide bar runs through the inner chamber of vertical passageway, just the both sides of guide bar with the surface contact of the filter screen layer that vertical passageway inner wall both sides set up, filter screen layer edge is provided with the vertical spacing that is used for spacing guide bar, gather the bottom fixedly connected with closing plate of liquid cover, the arc press from both sides the bottom of flowing the piece with reserve the interval between the closing plate, the chute with cooling bath inner chamber intercommunication.

2. A girth type cooling transformer according to claim 1, wherein: the cantilever beam mounting frame assembly comprises a bearing base plate, two bearing clamping grooves which are symmetrically arranged are formed in the bottom of the bearing base plate, two reinforcing strips which are vertically arranged are fixedly connected to the left side and the right side of the top of the bearing base plate, two reinforcing strips are fixedly connected to the opposite sides of the reinforcing strips through connecting strips, transverse strips are transversely connected to the tops of the reinforcing strips, a notch groove is formed in one side of the top of each transverse strip, two longitudinal reinforcing beams are fixedly connected to the notch groove through fastening bolts, and a tightening sleeve which is used for being fixed to a cable rod is fixedly connected to the outer side of each reinforcing beam.

3. A girth type cooling transformer according to claim 1, wherein: the first bent pipe, the U-shaped pipe, the second bent pipe and the outer surfaces of the radiating blades are provided with anti-corrosion layers, and cooling oil is filled in the cooling tank.