CN112259328A

CN112259328A - Three-phase transformer

Info

Publication number: CN112259328A
Application number: CN202011535657.XA
Authority: CN
Inventors: 陈益珊
Original assignee: Nanjing Best Information Technology Co ltd
Current assignee: Beijing Tianwei State Grid Electrical Whole Set Equipment Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-01-22
Anticipated expiration: 2040-12-23
Also published as: CN112259328B

Abstract

The invention discloses a three-phase transformer, which comprises a three-phase transformer mechanism and a bearing cooling mechanism, wherein the bearing cooling mechanism is arranged at the bottom end of the three-phase transformer mechanism. This transformer can slide down from protruding type slide rail through concave type slider earlier when dismantling, again with lock nut unscrewing and with lock bolt extract from the locating plate in the past, then tear down spacing bolt, with the transformer body respectively from last centre gripping limit structure with down the centre gripping sliding structure take out can, and burn to lose or adapting unit appear when damaging in the transformer body is inside, also can conveniently dismantle it and maintain and local change, also only need during the installation each local part utilize the mode installation of slip or spiro union can, buffer layer reduction part noise of making an uproar can be utilized to fall in the during operation, thereby can also avoid simultaneously that amorphous alloy iron core receives external force impact and leads to the no-load loss value to improve and influence its life, when maintenance and change part, also need not destroy and change whole machine, more practice thrift the cost.

Description

Three-phase transformer

Technical Field

The invention relates to the technical field of three-phase transformers, in particular to a three-phase transformer.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction. The power converter system has wide application in the fields of wind power generation, photovoltaic power generation, urban rail transit traction rectification, ship electric propulsion and the like, wherein in the power converter system, a power supply grid is connected with a converter through a transformer, and in order to input different voltages, a plurality of windings can be used for an input winding to adapt to different input voltages. Also, multiple windings may be used to output different voltages. Three independent windings are connected with three-phase AC power supply and output by different methods, so that the three-phase transformer is widely applied to circuits with AC 50-60 Hz and voltage below 660V, and widely applied to import important equipment, precision machine tools, mechanical and electronic equipment, medical equipment, rectifying devices, illumination and the like. The input and output voltages of the product, the connection group, the number and the position of the adjusting taps, the distribution of the winding capacity, the allocation of the secondary single-phase winding, the application of the rectifying circuit, whether the shell is required or not and the like can be designed and manufactured elaborately according to the requirements of users.

The existing three-phase transformer is generally designed in an integrated manner, can not be rapidly disassembled and installed, can not timely replace local parts when suffering from burning loss, is inconvenient to carry, and can not rapidly perform heat dissipation treatment when the surface temperature of the transformer is sharply increased.

In order to solve the problems, the invention provides a three-phase transformer which has the advantages of high disassembly and assembly speed, capability of timely replacing local parts, convenience in carrying, capability of quickly performing heat dissipation treatment on the transformer when the surface temperature of the transformer is sharply increased, and the like.

Disclosure of Invention

The invention aims to provide a three-phase transformer which has the advantages of high disassembly and assembly speed, capability of timely replacing local parts, convenience in carrying, capability of quickly performing heat dissipation treatment on the transformer when the surface temperature of the transformer is sharply increased and the like, and can solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a three-phase transformer comprises a three-phase transformer mechanism and a bearing cooling mechanism, wherein the bearing cooling mechanism is arranged at the bottom end of the three-phase transformer mechanism, the three-phase transformer mechanism comprises an upper clamping limit structure, a transformer body and a lower clamping slide structure, the upper clamping limit structure is respectively composed of a front clamping plate, a rear clamping plate and limiting rods, the front clamping plate is connected with the rear clamping plate through a plurality of groups of limiting rods, mounting holes are respectively formed in two ends of the outer side surface of the front clamping plate, gaskets are also arranged on the outer side of the front clamping plate, the upper end of the transformer body extends into a space between the front clamping plate and the rear clamping plate, the bottom end of the transformer body extends into an inner cavity of the lower clamping slide structure, the lower clamping slide structure is composed of a front positioning plate, a rear positioning plate, a positioning rod, a concave slide block and a clamping plate, the inner side of the front positioning plate is connected with the rear positioning plate through the positioning rod, the bottom end of the concave sliding block is movably connected with a bearing cooling mechanism;

bear cooling body and include bearing bottom plate, L type clamping bar, support plate and storage water tank, the up end both sides of bearing bottom plate all are provided with the protruding type slide rail corresponding with concave type slider, and bear the both sides of bottom plate and all seted up the spout, the inboard of L type clamping bar has set firmly the support plate, and the back of support plate is close to border department and has set firmly the storage water tank, and the pump machine is installed on the top of storage water tank.

Furthermore, the bottom end of the gasket is connected with the front clamping plate through a screw, the inner side of the gasket is provided with a limiting bolt, the inner side of the limiting bolt penetrates through the front clamping plate and is in threaded connection with the transformer body, a plurality of groups of main magnetic suckers and auxiliary magnetic suckers are further mounted on the outer side surface of the front clamping plate respectively, the front clamping plate and the rear clamping plate are consistent in structural size and are in line symmetry with each other about a central line of the limiting rod.

Further, the transformer body comprises a first transformation shell, a second transformation shell and a third transformation shell, a temperature sensor is mounted on the outer wall of one side of the third transformation shell, three amorphous alloy iron cores are correspondingly mounted in an inner cavity of the transformer body, a winding set wraps the outer wall of each amorphous alloy iron core, a high-voltage outgoing line and a low-voltage outgoing line are respectively arranged at the upper end of each amorphous alloy iron core, a noise reduction buffer layer is further mounted on the inner wall of the transformer body, and each noise reduction buffer layer is a component made of polyester fiber.

Furthermore, a limiting transverse plate is fixedly arranged in the inner cavity of the clamping plate, a locking bolt is arranged on the surface of the concave sliding block, the top end of the locking bolt sequentially penetrates through the limiting transverse plate and the front positioning plate, and a locking nut is screwed on the outer side of the locking bolt.

Further, the bottom both sides of bearing the weight of the bottom plate all process there is the mounting groove, is provided with the bull stick in the inner chamber of mounting groove, and a plurality of groups gyro wheels are installed along the circumferencial direction in proper order to the outer wall of bull stick, and just the border department of one side spout has set firmly electric hydraulic cylinder.

Furthermore, the output end of the electric hydraulic cylinder is connected with an L-shaped clamping rod through an electric push rod, a sliding block corresponding to the sliding groove is arranged on the inner side of the L-shaped clamping rod, the L-shaped clamping rod is movably connected with the sliding groove through the sliding block, and the sliding groove and the sliding block are matched with each other.

Furthermore, the inner side of the upper end of the L-shaped clamping rod is connected with a turning baffle through a rotating shaft, the maximum turning angle of the turning baffle is 90 degrees, two groups of liquid covering thin bags are fixedly arranged on the surface of the support plate in parallel, the size and the structure of the liquid covering thin bags are consistent, and the width of each group of liquid covering thin bags is consistent with the distance between the first transformation shell and the second transformation shell or between the second transformation shell and the third transformation shell.

Furthermore, a cooling fan is installed on the outer side of the water storage tank, an air delivery pipe is arranged at the output end of the cooling fan, one end of the air delivery pipe extends into the inner cavity of the water storage tank, and the end, far away from the water storage tank, of the water storage tank extends into the bottom side of the liquid covering thin bag through an infusion long pipe and is communicated with the inner cavity of the liquid covering thin bag.

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

1. the invention provides a three-phase transformer, wherein both sides of the upper end surface of a bearing bottom plate are provided with convex slide rails corresponding to concave slide blocks, the top ends of locking bolts sequentially penetrate through a limiting transverse plate and a front positioning plate, the outer sides of the locking bolts are in threaded connection with locking nuts, the upper ends of a transformer body extend into a space between a front clamping plate and a rear clamping plate, and the bottom ends of the transformer body extend into an inner cavity of a lower clamping sliding structure, so that the three-phase transformer can slide down from the convex slide rails through the concave slide blocks when being disassembled, then the locking nuts are unscrewed, the locking bolts are pulled out from the front positioning plate, then the limiting bolts are disassembled, the transformer body is respectively taken out from the upper clamping limiting structure and the lower clamping sliding structure, when burning loss or damage of a connecting part occurs in the transformer body, the three-phase transformer can be conveniently disassembled for maintenance and local replacement, and each local part can be installed only by utilizing a sliding or threaded connection mode when, compare with traditional three-phase transformer mounting means, equal independent assortment and change between each part and the part, it is also more convenient to install, and it can lead to the convenient transport of gyro wheel, can utilize the buffer layer of making an uproar to fall in the during operation to reduce partial noise, thereby can also avoid amorphous alloy iron core to receive external force to strike simultaneously and lead to no-load loss value to improve and influence its life, when maintenance and change part, also need not to destroy and change whole machine, more practice thrift the cost.

2. The invention provides a three-phase transformer, wherein the output end of an electric hydraulic cylinder is connected with an L-shaped clamping rod through an electric push rod, the surface of a carrier plate is fixedly provided with two groups of liquid-covering thin bags in parallel, the width of each group of liquid-covering thin bags is consistent with the distance between a first voltage transformation shell and a second voltage transformation shell or between the second voltage transformation shell and a third voltage transformation shell, so that after the three-phase transformer works for a period of time, a temperature sensor detects that the surface temperature rises and exceeds a preset standard safety threshold value, the electric hydraulic cylinder can be started, the L-shaped clamping rod is contracted inwards through the electric push rod, the liquid-covering thin bags are respectively inserted into a gap between the first voltage transformation shell and the second voltage transformation shell or between the second voltage transformation shell and the third voltage transformation shell, cooling liquid is conveyed into the liquid-covering thin bags through a water storage tank and a long infusion tube, and the liquid-covering thin bags are contacted with the inner, and the flowing liquid takes away the heat on the surface of the transformer shell by utilizing heat conduction so as to rapidly cool the surface of the transformer shell, thereby avoiding the transformer from breaking down caused by overhigh temperature.

3. According to the three-phase transformer provided by the invention, the output end of the cooling fan is provided with the air delivery pipe, one end of the air delivery pipe extends into the inner cavity of the water storage tank, so that after the surface of the transformer shell is rapidly cooled by the liquid covering thin bag, the temperature of the liquid covering thin bag is raised due to the fact that a large amount of heat is absorbed by the cooling liquid, the cooling liquid input into the liquid covering thin bag can be recycled into the water storage tank again through the pump, the cooling fan is started, the air delivery pipe is used for delivering cold air into the water storage tank, after the temperature of the cooling liquid is reduced to a certain degree, the liquid after cooling is finished can be input into the liquid covering thin bag again through the pump, the transformer is conveniently cooled in a circulating manner, the energy is saved, the environment is protected, and.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a three-phase transformer according to the present invention;

FIG. 2 is a schematic view of the three-phase transformer mechanism and the load-bearing cooling mechanism of the three-phase transformer according to the present invention;

FIG. 3 is a schematic structural diagram of a load-bearing cooling mechanism of a three-phase transformer according to the present invention;

FIG. 4 is a schematic view of a connection structure between a three-phase transformer mechanism and a bearing bottom plate of the three-phase transformer according to the present invention;

FIG. 5 is a schematic structural diagram of a three-phase transformer mechanism of the three-phase transformer of the present invention;

FIG. 6 is an enlarged schematic view of the three-phase transformer of the present invention at A in FIG. 5;

FIG. 7 is a schematic diagram of the internal planar structure of the transformer body of the three-phase transformer according to the present invention;

FIG. 8 is a schematic diagram of an upper clamping and limiting structure of the three-phase transformer according to the present invention;

fig. 9 is a schematic diagram of a front clamping plate structure of a three-phase transformer according to the present invention.

In the figure: 1. a three-phase transformer mechanism; 11. an upper clamping limiting structure; 111. a front clamping plate; 1111. mounting holes; 1112. a gasket; 11121. a screw; 11122. a limit bolt; 1113. a main magnetic chuck; 1114. an auxiliary magnetic chuck; 112. a rear clamping plate; 113. a limiting rod; 12. a transformer body; 121. a first transformer housing; 122. a second transformer housing; 123. a third voltage transformation housing; 1231. a temperature sensor; 124. an amorphous alloy core; 1241. winding; 1242. a high voltage lead-out wire; 1243. a low voltage lead-out wire; 125. a noise reduction buffer layer; 13. a lower clamping sliding structure; 131. a front positioning plate; 132. a rear positioning plate; 133. positioning a rod; 134. a concave slider; 1341. locking the bolt; 13411. locking the nut; 135. a splint; 1351. a transverse limiting plate; 2. a load bearing cooling mechanism; 21. a load floor; 211. a convex slide rail; 212. a chute; 2121. an electric hydraulic cylinder; 21211. an electric push rod; 213. mounting grooves; 2131. a rotating rod; 21311. a roller; 22. an L-shaped clamping bar; 221. a slider; 222. a rotating shaft; 2221. turning over the baffle; 23. a carrier plate; 231. covering a liquid thin bag; 24. a water storage tank; 241. a pump machine; 242. a cooling fan; 2421. a wind delivery pipe; 243. a long infusion tube.

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.

Referring to fig. 1-2 and 4-7, a three-phase transformer comprises a three-phase transformer mechanism 1 and a load-bearing cooling mechanism 2, the load-bearing cooling mechanism 2 is installed at the bottom end of the three-phase transformer mechanism 1, the three-phase transformer mechanism 1 comprises an upper clamping limit structure 11, a transformer body 12 and a lower clamping slide structure 13, the upper clamping limit structure 11 is respectively composed of a front clamping plate 111, a rear clamping plate 112 and a limiting rod 113, the front clamping plate 111 and the rear clamping plate 112 are connected through a plurality of groups of limiting rods 113, mounting holes 1111 are respectively formed at two ends of the outer side surface of the front clamping plate 111, a gasket 1112 is further installed at the outer side of the front clamping plate 111, the upper end of the transformer body 12 extends into the space between the front clamping plate 111 and the rear clamping plate 112, the bottom end of the transformer body 12 extends into the inner cavity of the lower clamping slide structure 13, and the lower clamping slide structure 13, The cooling device comprises a rear positioning plate 132, a positioning rod 133, a concave slider 134 and a clamping plate 135, wherein the inner side of a front positioning plate 131 is connected with the rear positioning plate 132 through the positioning rod 133, the bottom ends of the front positioning plate 131 and the rear positioning plate 132 are connected with the concave slider 134 through the clamping plate 135, and the bottom end of the concave slider 134 is movably connected with a bearing cooling mechanism 2; the transformer body 12 comprises a first transformer housing 121, a second transformer housing 122 and a third transformer housing 123, wherein a temperature sensor 1231 is mounted on the outer wall of one side of the third transformer housing 123, three groups of amorphous alloy iron cores 124 are correspondingly mounted in the inner cavity of the transformer body 12, a winding set 1241 wraps the outer wall of each amorphous alloy iron core 124, a high-voltage lead-out wire 1242 and a low-voltage lead-out wire 1243 are respectively arranged at the upper end of each amorphous alloy iron core 124, a noise reduction buffer layer 125 is further mounted on the inner wall of the transformer body 12, and the noise reduction buffer layer 125 is a component made of a polyester fiber material; a limiting transverse plate 1351 is fixedly arranged in an inner cavity of the clamping plate 135, a locking bolt 1341 is arranged on the surface of the concave slider 134, the top end of the locking bolt 1341 sequentially penetrates through the limiting transverse plate 1351 and the front positioning plate 131, and a locking nut 13411 is screwed on the outer side of the locking bolt 1341, so that the three-phase transformer can firstly slide down from the convex slide rail 211 through the concave slider 134 when being disassembled, then the locking nut 13411 is unscrewed, the locking bolt 1341 is pulled out from the front positioning plate 131, then the limiting bolt 11122 is disassembled, the transformer body 12 is respectively taken out from the upper clamping limiting structure 11 and the lower clamping sliding structure 13, and when burning or damage of a connecting part occurs in the transformer body 12, the transformer body can be conveniently disassembled for maintenance and local replacement, each local part can be installed only by utilizing a sliding or screwing mode when being installed, compared with the traditional three-phase transformer installation mode, all can independent assortment and change between each part and the part, it is also more convenient to install, and it can lead to convenient transport of gyro wheel 21311, can utilize the buffer layer 125 that falls to make an uproar to reduce partial noise at the during operation, thereby can also avoid amorphous alloy core 124 to receive external force to strike to lead to the no-load loss value to improve and influence its life simultaneously, when maintenance and change part, also need not destroy and change whole machine, more practice thrift the cost.

Referring to fig. 3, a three-phase transformer, a bearing cooling mechanism 2 includes a bearing bottom plate 21, an L-shaped clamping bar 22, a carrier plate 23 and a water storage tank 24, wherein both sides of the upper end surface of the bearing bottom plate 21 are provided with convex sliding rails 211 corresponding to concave sliding blocks 134, both sides of the bearing bottom plate 21 are provided with sliding grooves 212, the carrier plate 23 is fixedly arranged on the inner side of the L-shaped clamping bar 22, the water storage tank 24 is fixedly arranged on the back surface of the carrier plate 23 near the edge, and the top end of the water storage tank 24 is provided with a pump 241; mounting grooves 213 are formed in both sides of the bottom end of the bearing bottom plate 21, a rotating rod 2131 is arranged in an inner cavity of each mounting groove 213, a plurality of groups of rollers 21311 are sequentially mounted on the outer wall of each rotating rod 2131 in the circumferential direction, and an electric hydraulic cylinder 2121 is fixedly arranged at the edge of the sliding groove 212 on only one side; the output end of the electric hydraulic cylinder 2121 is connected with the L-shaped clamping rod 22 through an electric push rod 21211, a sliding block 221 corresponding to the sliding groove 212 is arranged on the inner side of the L-shaped clamping rod 22, the L-shaped clamping rod 22 is movably connected with the sliding groove 212 through the sliding block 221, and the sliding groove 212 is matched with the sliding block 221; the inner side of the upper end of the L-shaped clamping bar 22 is connected with a turning baffle 2221 through a rotating shaft 222, the maximum turning angle of the turning baffle 2221 is 90 degrees, two groups of liquid-covering thin bags 231 are fixedly arranged on the surface of the carrier plate 23 in parallel, the size and the structure of the liquid-covering thin bags 231 are consistent, the width of each group of liquid-covering thin bags 231 is consistent with the distance between the first pressure-changing shell 121 and the second pressure-changing shell 122 or between the second pressure-changing shell 122 and the third pressure-changing shell 123, so that after the three-phase transformer works for a period of time, the temperature sensor 1231 detects that the surface temperature rises and exceeds a preset standard safety threshold, the electric hydraulic cylinder 2121 can be started, the L-shaped clamping bar 22 is retracted inwards by using the electric push rod 21211, the liquid-covering thin bags 231 are respectively inserted into gaps 243 between the first pressure-changing shell 121 and the second pressure-changing shell 122 or between the second pressure-changing shell 122 and the third pressure-changing shell 123, and the cooling liquid is conveyed into, the liquid covering thin bag 231 is in contact with the inner side of the transformer shell, and the flowing liquid takes away heat on the surface of the transformer shell by heat conduction and rapidly cools the surface of the transformer shell, so that the transformer is prevented from being out of order due to overhigh temperature; a cooling fan 242 is installed on the outer side of the water storage tank 24, an air delivery pipe 2421 is arranged at the output end of the cooling fan 242, one end of the air delivery pipe 2421 extends into the inner cavity of the water storage tank 24, and one end of the water storage tank 24, which is far away from the water storage tank 24, extends into the bottom side of the liquid covering thin bag 231 through an infusion long pipe 243 and is communicated with the inner cavity of the liquid covering thin bag 231, so that after the surface of the pressure-variable housing is rapidly cooled by the liquid covering thin bag 231, the temperature of the pressure-variable housing is increased due to the fact that a large amount of heat is absorbed by cooling liquid, meanwhile, the cooling liquid input into the liquid covering thin bag 231 can be recycled into the water storage tank 24 through the pump 241, the cooling fan 242 is started, cold air is delivered into the water storage tank 24 through the air delivery pipe 2421, after the temperature of the cooling liquid is reduced to a certain degree, the liquid after, the energy is saved, the environment is protected, and the heat dissipation efficiency is high.

Referring to fig. 8 and 9, in the three-phase transformer, the bottom end of a gasket 1112 is connected to a front clamping plate 111 through a screw 11121, a limiting bolt 11122 is disposed on the inner side of the gasket 1112, the inner side of the limiting bolt 11122 passes through the front clamping plate 111 and is screwed to a transformer body 12, a plurality of sets of main magnetic suckers 1113 and auxiliary magnetic suckers 1114 are respectively mounted on the outer side surface of the front clamping plate 111, the front clamping plate 111 and the rear clamping plate 112 have the same structural size, and the front clamping plate 111 and the rear clamping plate 112 are axisymmetric with respect to the center line of a limiting rod 113.

In summary, the following steps: the invention provides a three-phase transformer, wherein both ends of the outer surface of a front clamping plate 111 are provided with mounting holes 1111, the outer side of the front clamping plate 111 is also provided with a gasket 1112, the upper end of a transformer body 12 extends between the front clamping plate 111 and a rear clamping plate 112, the bottom end of the transformer body 12 extends into the inner cavity of a lower clamping sliding structure 13, the lower clamping sliding structure 13 consists of a front positioning plate 131, a rear positioning plate 132, a positioning rod 133, a concave slider 134 and a clamping plate 135, the inner side of the front positioning plate 131 is connected with the rear positioning plate 132 through the positioning rod 133, the bottom ends of the front positioning plate 131 and the rear positioning plate 132 are connected with the concave slider 134 through the clamping plate 135, the bottom end of the concave slider 134 is movably connected with a bearing cooling mechanism 2, both sides of the upper end surface of a bearing bottom plate 21 are provided with convex slide rails 211 corresponding to the concave slider 134, the top end of a locking bolt 1341 sequentially passes through a limiting transverse plate 1351 and, the upper end of the transformer body 12 extends into the space between the front clamping plate 111 and the rear clamping plate 112, and the bottom end thereof extends into the inner cavity of the lower clamping sliding structure 13, so that the three-phase transformer can slide down from the convex sliding rail 211 through the concave sliding block 134 when being disassembled, then the locking nut 13411 is unscrewed and the locking bolt 1341 is pulled out from the front positioning plate 131, then the limiting bolt 11122 is disassembled, the transformer body 12 can be respectively taken out from the upper clamping limiting structure 11 and the lower clamping sliding structure 13, and when the burning or the damage of the connecting part occurs in the transformer body 12, the transformer body can be conveniently disassembled for maintenance and local replacement, each local part is only required to be installed in a sliding or screwing mode when being installed, compared with the traditional three-phase transformer installation mode, each part and each part can be freely combined and replaced, and the installation is more convenient, the amorphous alloy iron core 124 can be conveniently carried through the roller 21311, partial noise can be reduced by using the noise reduction buffer layer 125 during working, the influence on the service life of the amorphous alloy iron core 124 caused by the increase of no-load loss value due to external force impact can be avoided, the whole machine is not required to be damaged and replaced during maintenance and replacement of parts, the cost is further saved, the output end of the electric hydraulic cylinder 2121 is connected with the L-shaped clamping rod 22 through the electric push rod 21211, two groups of liquid-covering thin bags 231 are fixedly arranged on the surface of the support plate 23 in parallel, the width of each group of liquid-covering thin bags 231 is consistent with the distance between the first voltage transformation shell 121 and the second voltage transformation shell 122 or between the second voltage transformation shell 122 and the third voltage transformation shell 123, so that after the three-phase transformer works for a period of time, when the surface temperature sensor 1231 detects that the surface temperature rises and exceeds a preset standard safety threshold, the electric hydraulic cylinder 2121 can be started, and the, meanwhile, the thin liquid covering bag 231 is respectively inserted into a gap between the first pressure changing shell 121 and the second pressure changing shell 122 or between the second pressure changing shell 122 and the third pressure changing shell 123, cooling liquid is conveyed into the thin liquid covering bag 231 through the water storage tank 24 and the infusion long pipe 243, the thin liquid covering bag 231 is in contact with the inner side of the pressure changing shell, the flowing liquid takes away heat on the surface of the pressure changing shell by heat conduction and rapidly cools the surface of the pressure changing shell, the transformer is prevented from being broken down due to overhigh temperature, the carrier plate 23 is fixedly arranged on the inner side of the L-shaped clamping rod 22, the water storage tank 24 is fixedly arranged on the back of the carrier plate 23 close to the edge, the pump 241 is arranged at the top end of the water storage tank 24, the air conveying pipe 2421 is arranged at the output end of the cooling fan 242, one end of the air conveying pipe 2421 extends into the inner cavity of the water storage tank 24, so that, and because the cooling liquid absorbs a large amount of heat to cause the temperature of the cooling liquid to rise, the cooling liquid input into the liquid covering thin bag 231 can be recovered into the water storage tank 24 again through the pump 241, the cooling fan 242 is started, cold air is conveyed into the water storage tank 24 through the air conveying pipe 2421, and after the temperature of the cooling liquid is reduced to a certain degree, the cooled liquid can be input into the liquid covering thin bag 231 through the pump 241 again, so that the transformer can be conveniently cooled in a circulating manner, the energy is saved, the environment is protected, and the heat dissipation efficiency is high.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a three-phase transformer, includes three-phase transformer mechanism (1) and bears cooling body (2), and the bottom of three-phase transformer mechanism (1) is installed and is born cooling body (2), its characterized in that: the three-phase transformer mechanism (1) comprises an upper clamping limiting structure (11), a transformer body (12) and a lower clamping sliding structure (13), wherein the upper clamping limiting structure (11) respectively consists of a front clamping plate (111), a rear clamping plate (112) and limiting rods (113), the front clamping plate (111) is connected with the rear clamping plate (112) through a plurality of groups of limiting rods (113), mounting holes (1111) are respectively formed in two ends of the outer side surface of the front clamping plate (111), gaskets (1112) are further mounted on the outer side of the front clamping plate (111), the upper end of the transformer body (12) extends into a position between the front clamping plate (111) and the rear clamping plate (112), the bottom end of the transformer body (12) extends into an inner cavity of the lower clamping sliding structure (13), and the lower clamping sliding structure (13) consists of a front positioning plate (131), a rear positioning plate (132), a positioning rod (133), a concave sliding block (134) and a clamping plate (135), the inner side of the front positioning plate (131) is connected with the rear positioning plate (132) through a positioning rod (133), the bottom ends of the front positioning plate (131) and the rear positioning plate (132) are connected with the concave sliding block (134) through a clamping plate (135), and the bottom end of the concave sliding block (134) is movably connected with a bearing cooling mechanism (2);

bear cooling body (2) including bearing bottom plate (21), L type clamping bar (22), support plate (23) and storage water tank (24), the up end both sides of bearing bottom plate (21) all are provided with protruding type slide rail (211) corresponding with concave type slider (134), and sliding groove (212) have all been seted up to the both sides of bearing bottom plate (21), support plate (23) have set firmly to the inboard of L type clamping bar (22), the back of support plate (23) is close to border department and has set firmly storage water tank (24), pump machine (241) are installed on the top of storage water tank (24).

2. A three-phase transformer according to claim 1, characterized in that: the bottom end of a gasket (1112) is connected with a front clamping plate (111) through a screw (11121), the inner side of the gasket (1112) is provided with a limiting bolt (11122), the inner side of the limiting bolt (11122) penetrates through the front clamping plate (111) and is in threaded connection with a transformer body (12), the outer side surface of the front clamping plate (111) is further provided with a plurality of groups of main magnetic suckers (1113) and auxiliary magnetic suckers (1114) respectively, the structural sizes of the front clamping plate (111) and the rear clamping plate (112) are uniform, and the front clamping plate (111) and the rear clamping plate (112) are axisymmetric about the center line of a limiting rod (113).

3. A three-phase transformer according to claim 1, characterized in that: the transformer body (12) comprises a first transformation shell (121), a second transformation shell (122) and a third transformation shell (123), a temperature sensor (1231) is installed on the outer wall of one side of the third transformation shell (123), three groups of amorphous alloy iron cores (124) are correspondingly installed in the inner cavity of the transformer body (12), a winding group (1241) is wrapped on the outer wall of each amorphous alloy iron core (124), a high-voltage outgoing line (1242) and a low-voltage outgoing line (1243) are respectively arranged at the upper end of each amorphous alloy iron core (124), a noise reduction buffer layer (125) is further installed on the inner wall of the transformer body (12), and the noise reduction buffer layer (125) is a component made of a polyester fiber material.

4. A three-phase transformer according to claim 1, characterized in that: a limiting transverse plate (1351) is fixedly arranged in an inner cavity of the clamping plate (135), a locking bolt (1341) is arranged on the surface of the concave slider (134), the top end of the locking bolt (1341) sequentially penetrates through the limiting transverse plate (1351) and the front positioning plate (131), and a locking nut (13411) is screwed on the outer side of the locking bolt.

5. A three-phase transformer according to claim 1, characterized in that: the bottom both sides of bearing bottom plate (21) all process and have mounting groove (213), are provided with bull stick (2131) in the inner chamber of mounting groove (213), and a plurality of groups gyro wheel (21311) are installed along the circumferencial direction in proper order to the outer wall of bull stick (2131), and the border department of only one side spout (212) has set firmly electric hydraulic cylinder (2121).

6. A three-phase transformer according to claim 5, characterized in that: the output end of the electric hydraulic cylinder (2121) is connected with the L-shaped clamping rod (22) through an electric push rod (21211), a sliding block (221) corresponding to the sliding groove (212) is arranged on the inner side of the L-shaped clamping rod (22), the L-shaped clamping rod (22) is movably connected with the sliding groove (212) through the sliding block (221), and the sliding groove (212) is matched with the sliding block (221).

7. A three-phase transformer as claimed in claim 3, characterized in that: the inner side of the upper end of the L-shaped clamping rod (22) is connected with a turning baffle plate (2221) through a rotating shaft (222), the maximum turning angle of the turning baffle plate (2221) is 90 degrees, two groups of liquid-covering thin bags (231) are fixedly arranged on the surface of the carrier plate (23) in parallel, the size and the structure of the liquid-covering thin bags (231) are consistent, and the width of each group of liquid-covering thin bags (231) is consistent with the distance between the first transformation shell (121) and the second transformation shell (122) or between the second transformation shell (122) and the third transformation shell (123).

8. A three-phase transformer according to claim 1, characterized in that: a cooling fan (242) is installed on the outer side of the water storage tank (24), an air conveying pipe (2421) is arranged at the output end of the cooling fan (242), one end of the air conveying pipe (2421) extends into the inner cavity of the water storage tank (24), and one end, far away from the water storage tank (24), of the water storage tank (24) extends into the bottom side of the liquid covering thin bag (231) through an infusion long pipe (243) and is communicated with the inner cavity of the liquid covering thin bag (231).