CN112562981B - Power transformation equipment and mounting bracket thereof - Google Patents
Power transformation equipment and mounting bracket thereof Download PDFInfo
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- CN112562981B CN112562981B CN202011594082.9A CN202011594082A CN112562981B CN 112562981 B CN112562981 B CN 112562981B CN 202011594082 A CN202011594082 A CN 202011594082A CN 112562981 B CN112562981 B CN 112562981B
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- heat dissipation
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- tank
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/22—Cooling by heat conduction through solid or powdered fillings
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
- Transformer Cooling (AREA)
Abstract
The invention provides a power transformation device and an installation bracket thereof, wherein the power transformation device comprises a transformer oil tank, a transformer winding is arranged in the transformer oil tank, a high-voltage wiring terminal, a low-voltage wiring terminal and an oil conservator are arranged at the top of the transformer oil tank, the bottom of the oil conservator is communicated with the transformer oil tank through an oil inlet pipe, and one end of the oil inlet pipe, which is positioned in the transformer oil tank, extends downwards to the inner bottom of the transformer oil tank; the bottom of the transformer oil tank is provided with a buffer oil tank, the tops of two sides of the transformer oil tank are provided with oil outlet pipes communicated with the transformer oil tank, one end of each oil outlet pipe, which is far away from the transformer oil tank, is connected with a filter tank, the bottom of the filter tank is communicated with the buffer oil tank through a heat dissipation mechanism, one side of the buffer oil tank is provided with a circulating pump communicated with the buffer oil tank, and the output end of the circulating pump is communicated with an oil conservator through an oil return pipe; the invention can separate impurities in the transformer oil, ensure the normal operation of the transformer equipment and simultaneously improve the heat dissipation effect of the transformer equipment.
Description
Technical Field
The invention belongs to the technical field of power equipment, and particularly relates to power transformation equipment and a mounting bracket thereof.
Background
Transformers are devices that change ac voltage using the principle of electromagnetic induction, and are classified into dry transformers and oil-immersed transformers according to the difference of cooling media, in which cooling is performed mainly by using insulating oil in an oil tank as a cooling medium.
In the prior art, a chinese patent granted by the present application No. CN201510527361.6 discloses an internal isolation flow channel forced accelerated circulation transformer, which includes a transformer tank and a heat dissipation tube, wherein an iron core winding is arranged in the transformer tank, the distance between the upper part of the iron core winding and the upper cover of the transformer tank is not less than one fourth of the height of the transformer tank, a transverse partition plate extending inwards is arranged on the side wall of the transformer tank, the connecting position of the transverse partition plate and the side wall of the transformer tank is higher than the top of the iron core winding, a surrounding plate with a space between the lower part and the bottom of the transformer tank is arranged around the winding, the upper end edge of the surrounding plate and the inner edge of the transverse partition plate are crossed and connected, a space is reserved between the surrounding plate and the winding to form a flow channel, the surrounding plate and the transverse partition plate are both thermal poor conductors, two ports of the heat dissipation tube are respectively located above and below the transverse partition plate and communicated with the inside of the transformer tank, and the heat dissipation tube is integrally G-shaped; the heat dissipation area is large, the circulating convection speed is high, the iron core winding is located in a lower oil temperature area, and the transformer is guaranteed to work in a stable temperature environment.
During the use process of the transformer oil, impurities are easily mixed in the transformer oil due to oxidation corrosion energy. In above-mentioned prior art, can not get rid of the timely separation of impurity that produces in the transformer oil, these impurity get into the inside easy cooling tube that blocks up of cooling tube along with the flow of transformer oil, cause the inside transformer oil of transformer to flow not smooth, influence the radiating effect of transformer, influence transformer normal operating, cause the transformer damage even.
Therefore, the technical problem facing the prior art is solved by the power transformer equipment and the mounting bracket thereof, which can separate impurities in transformer oil, ensure the normal operation of the transformer equipment and simultaneously improve the heat dissipation effect of the transformer equipment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the electric power transformation equipment and the mounting bracket thereof, wherein the electric power transformation equipment can separate impurities in transformer oil, ensure the normal operation of the transformation equipment and simultaneously improve the heat dissipation effect of the transformation equipment.
The technical scheme of the invention is as follows: the power transformation equipment comprises a transformer oil tank, wherein a transformer winding is arranged inside the transformer oil tank, a high-voltage wiring terminal, a low-voltage wiring terminal and an oil conservator are arranged at the top of the transformer oil tank, the bottom of the oil conservator is communicated with the transformer oil tank through an oil inlet pipe, and one end of the oil inlet pipe, which is positioned inside the transformer oil tank, extends downwards to the inner bottom of the transformer oil tank; the bottom of transformer tank is provided with the buffer memory oil tank, the top of transformer tank's both sides is provided with rather than the play oil pipe that is linked together, go out the oil pipe on with the one end that the transformer tank deviates from mutually is connected with the rose box, the bottom of rose box with be linked together through heat dissipation mechanism between the buffer memory oil tank, one side of buffer memory oil tank is provided with the circulating pump rather than being linked together, the output of circulating pump through return oil pipe with the conservator is linked together.
The filter box is provided with a filter box body, one side of the filter box body is provided with a filtering oil inlet corresponding to the oil outlet pipe, the filtering oil inlet is connected with the oil outlet pipe through a flange, a filter screen is obliquely arranged in the filter box body, a filtering oil outlet is arranged at the bottom of the filter box body, the filtering oil outlet and the filtering oil inlet are respectively located at two sides of the filter screen, the bottom of the filter box body is provided with a sewage draining port which is the same as the extending direction of the filter box body, the bottom of the filter box body is provided with a sewage collecting bin corresponding to the sewage draining port, a sewage filtering net is horizontally arranged in the sewage collecting bin and at one side away from the filter screen, and a sewage inlet is formed between the sewage filtering net and the other side of the sewage collecting bin.
The filter screen with be 30~45 contained angles between the interior bottom of rose box body, top one side of drain with the bottom of filter screen is corresponding, the dirty storehouse of collection is the open semi-cylindrical cavity structure in top, the dirty storehouse mounting panel of collection that is provided with an organic whole structure is encircleed to the bottom in the dirty storehouse of collection, the dirty storehouse mounting panel of collection pass through bolt demountable assembly in the bottom of rose box body.
The heat dissipation mechanism is provided with a heat dissipation box, the top of the heat dissipation box is provided with a heat dissipation oil inlet communicated with the heat dissipation box, the bottom of the heat dissipation box is provided with a heat dissipation oil outlet communicated with the heat dissipation box, the inside of the heat dissipation box is provided with a first guide plate and a second guide plate from top to bottom in turn, the cross section of the first guide plate is of a V-shaped structure, the top end of the first guide plate is connected with the heat dissipation box to form an integral structure, the bottom of the first guide plate is provided with a first channel, the cross section of the second guide plate is of a U-shaped structure, and second channels are arranged between the two sides of the second guide plate and the two sides of the inside of the heat dissipation box.
First radiating fins corresponding to the first guide plate and the second guide plate are arranged outside the radiating box, and two ends of the second guide plate respectively extend to the outside of the radiating box to form second radiating fins.
The bottom of the first guide plate is provided with a transition guide plate communicated with the first guide plate, the transition guide plate extends to the inside of the second guide plate, the heat radiation oil inlet is connected with the bottom of the filter box through a flange, and the heat radiation oil outlet is connected with the cache oil tank through a flange.
Four mounting plates are uniformly arranged at the bottom of the transformer oil tank.
The mounting bracket of the power transformer equipment comprises a bottom frame and a heat-conducting plate arranged above the bottom frame, wherein the bottom frame is symmetrically provided with two cross beams, at least two longitudinal beams are vertically and fixedly connected between the two cross beams, the top of each cross beam is provided with a mounting column corresponding to the mounting plate, an internal threaded hole is formed in the mounting column, the heat-conducting plate is elastically supported at the top of each longitudinal beam, and the top surface of the heat-conducting plate is not lower than the top surface of the mounting column.
The bottom of heat-conducting plate evenly be provided with the corresponding boss of longeron, the inside fixed guide arm that is provided with of boss, the guide arm with sliding connection between the longeron, the boss with between the longeron the guide arm outside cover is equipped with the spring, on the guide arm with the one end that the heat-conducting plate deviates from is provided with the limiting plate.
The bottom of heat-conducting plate not with the position that the longeron is corresponding is the matrix and arranges and have a plurality of heat dissipation posts, the heat dissipation post be with heat-conducting plate looks vertically cylinder structure, the heat-conducting plate with heat dissipation post is integrated into one piece's ceramic material.
The invention has the beneficial effects that:
(1) according to the invention, the circulating pump drives the transformer oil in the temporary storage oil tank to be pumped into the oil conservator, the transformer oil in the heat dissipation mechanism is supplemented into the temporary storage oil tank, the transformer oil in the transformer oil tank enters the heat dissipation mechanism through the filter box, then the transformer oil in the oil conservator is not as good as that in the transformer oil tank, the circulation of the transformer oil in the transformation equipment is completed, the circulation speed of the transformer oil in the transformation equipment can be accelerated under the action of the circulating pump, and the heat dissipation effect is improved.
(2) One end of the oil outlet pipe, which is away from the transformer oil tank, is connected with a filter tank, the filter oil tank can filter out impurities in the transformer oil, so that the impurities are prevented from entering the heat dissipation mechanism to cause blockage, the transformer oil in the heat dissipation mechanism is ensured to flow smoothly, a good heat dissipation effect is further ensured, and the transformation equipment can run normally;
(3) the transformer oil completes primary heat dissipation at the heat dissipation mechanism, then enters the cache oil tank, and completes secondary heat dissipation on the transformer through the cache oil tank, the cache oil tank is flat, the bottom surface of the cache oil tank can increase the heat dissipation area, and the heat dissipation effect is further improved;
(4) in the mounting bracket of the power transformation equipment, the power transformation equipment is mounted at the top of the bottom frame, the heat conducting plate is in contact with the cache oil tank, the heat of the cache oil tank can be quickly led out while the cache oil tank is supported, the heat dissipation of the cache oil tank is facilitated, and meanwhile, the heat conducting plate is elastically supported at the top of the longitudinal beam, so that the heat conducting plate is prevented from being damaged by the cache oil tank while the close contact between the heat conducting plate and the cache oil tank is ensured.
Drawings
Fig. 1 is a schematic diagram of an external structure of an electric power transformer apparatus according to the present invention.
Fig. 2 is a schematic diagram of the internal structure of the power transformer apparatus of the present invention.
Fig. 3 is a schematic structural diagram of a filter box in the power transformer apparatus of the present invention.
Fig. 4 is a second schematic structural diagram of a filter box in the power transformer apparatus of the present invention.
Fig. 5 is a cross-sectional view taken at a-a in fig. 4.
Fig. 6 is a schematic structural diagram of a heat dissipation mechanism in the power transformer apparatus according to the present invention.
Fig. 7 is a second schematic structural diagram of a heat dissipation mechanism in the power transformer apparatus of the present invention.
Fig. 8 is a cross-sectional view taken at B-B in fig. 7.
Fig. 9 is a schematic structural view of a mounting bracket of the power transformer apparatus of the present invention.
Fig. 10 is a schematic structural diagram of an electric power transformer and a mounting bracket thereof according to the present invention.
Fig. 11 is a second schematic structural diagram of the power transformer and the mounting bracket thereof according to the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1 and 2, the power transformer apparatus includes a transformer tank 1, a transformer winding 2 is disposed inside the transformer tank 1, transformer oil is filled inside the transformer tank 1, the transformer winding is immersed inside the transformer oil, a high voltage terminal 3, a low voltage terminal 4 and an oil conservator 5 are disposed on the top of the transformer tank 1, the oil conservator 5 is supported on the top of the transformer tank 1 through a bracket, the bottom of the oil conservator 5 is communicated with the transformer tank 1 through an oil inlet pipe 11, when the volume of the transformer oil inside the transformer tank 1 expands or decreases with the change of temperature, the oil conservator 5 plays a role of storing and supplementing oil, and can ensure that the transformer oil is filled inside the transformer tank 1, one end of the oil inlet pipe 11 inside the transformer tank 1 extends downwards to the inner bottom of the transformer tank 1, the temperature of the transformer oil inside the oil conservator 5 is lower, hot oil in the transformer oil tank 1 flows upwards, and oil with lower temperature is conveyed to the inner bottom of the transformer oil tank 1, so that the transformer oil is favorable for reducing the temperature of the transformer oil near the transformer winding 2, and the heat dissipation effect is ensured; the bottom of the transformer oil tank 1 is provided with a buffer oil tank 2, the tops of two sides of the transformer oil tank 1 are provided with oil outlet pipes 10 communicated with the transformer oil tank 1, one end of the oil outlet pipe 10, which is far away from the transformer oil tank 1, is connected with a filter tank 8, the filter oil tank 8 can filter out impurities in the transformer oil, so as to prevent the impurities from entering the inside of a heat dissipation mechanism 9 to cause blockage and influence the flow of the transformer oil and further influence the heat dissipation effect, the bottom of the filter tank 8 is communicated with the buffer oil tank 6 through the heat dissipation mechanism 9, one side of the buffer oil tank 6 is provided with a circulating pump 7 communicated with the buffer oil tank 6, the output end of the circulating pump 7 is communicated with an oil conservator 5 through an oil return pipe 12, the buffer oil tank 6 and the transformer oil tank 1 are two mutually independent spaces, the buffer oil tank 6 is arranged at the bottom of the transformer oil tank 1, the transformer oil in the temporary storage oil tank 6 is pumped into the oil conservator 5 through the circulating pump 7, the inside transformer oil of heat dissipation mechanism 9 supplyes into oil tank 6 of keeping in, and the inside transformer oil of transformer oil tank 1 passes through filter box 8 again and gets into inside heat dissipation mechanism 9, and later the inside transformer oil of conservator 5 is no longer like inside transformer oil tank 1, accomplishes the circulation of the inside transformer oil of potential equipment, can accelerate the circulation speed of the inside transformer oil of potential equipment through the effect of circulating pump, promotes the radiating effect.
As an embodiment of the filter box 8, as shown in fig. 3 to 4, the filter box 8 has a filter box body 801, one side of the filter box body 801 is provided with a filter oil inlet 802 corresponding to the oil outlet pipe 10, the filter oil inlet 802 is connected to the oil outlet pipe 10 via a flange, a filter screen 807 is obliquely arranged inside the filter box body 801, a filter oil outlet 803 is arranged at the bottom of the filter box body 801, the filter oil outlet 803 and the filter oil inlet are respectively located at two sides of the filter screen 807, the transformer oil enters the filter box body 801 from the filter oil inlet 802, impurities mixed inside the transformer oil are removed by the filter screen 807, the transformer oil is discharged downwards from the filter oil outlet 803, the bottom of the filter box body 801 is provided with a sewage drain 808 extending in the same direction as the filter box body 801, the bottom of the filter box body 801 is provided with a sewage collecting bin 804 corresponding to the sewage drain 808, dirty storehouse 804 of collection is inside to be provided with the one side level that filter screen 807 deviates from mutually and strains dirty net 806, strain dirty net 806 and be provided with into dirty mouthful 809 between the opposite side of the dirty storehouse 804 of collection, the impurity that filters out on the filter screen 807, constantly receive the impact at the in-process that transformer oil flows, and through the guide effect of slope filter screen 807, it gets into the dirty storehouse 804 of collection inside to move downwards gradually, it can avoid impurity from the opposite side outflow of the dirty storehouse 804 of collection to strain dirty net 806 simultaneously, can collect dirty storehouse 804 of a piece after using a period and take off and clear up its inside impurity.
More specifically, the filter screen 807 is a stainless steel screen plate, the periphery of the filter screen 807 is connected with the inner side of the filter box body 801 to form an integral structure, an included angle of 30-45 degrees is formed between the filter screen 807 and the inner bottom of the filter box body 801, the included angle enables impurities on the filter screen 807 to be guided downwards under the action of transformer oil, one side of the top of the dirt collecting bin 804 corresponds to the bottom end of the filter screen 807, the impurities can enter the dirt collecting bin 804 under the guiding action of the filter screen 807, the dirt collecting bin 804 is of a semi-cylindrical cavity structure with an open top, the dirt collecting bin mounting plate 805 of the integral structure is arranged at the bottom of the dirt collecting bin 804 in a surrounding manner, the dirt collecting bin mounting plate 805 is detachably assembled at the bottom of the filter box body 801 through bolts, the structure enables the dirt collecting bin 804 to be detachable at the bottom of the filter box 801, the dirt collecting bin 804 is convenient to be detached to clean the impurities inside, and in order to improve the sealing effect between the dirt collecting bin mounting plate 805 and the filter box body 801, a sealing ring can be clamped between the dirt collecting bin mounting plate 805 and the filter box body 801.
As an embodiment of the heat dissipation mechanism 9, as shown in fig. 6 to 8, the heat dissipation mechanism 9 has a heat dissipation case 901, the top of the heat dissipation case 901 is provided with a heat dissipation oil inlet 902 communicated with the heat dissipation case 901, the bottom of the heat dissipation case 901 is provided with a heat dissipation oil outlet 903 communicated with the heat dissipation case 901, transformer oil enters the heat dissipation case 901 from the heat dissipation oil inlet 902, and is discharged outside from the heat dissipation oil outlet 903 after completing a heat dissipation inside the heat dissipation case 901, the inside of the heat dissipation case 901 is sequentially and alternately provided with a first flow guide 905 and a second flow guide 906 from top to bottom, the cross section of the first flow guide 905 is a "V" shaped structure, both sides of the top end of the first flow guide 905 are connected with both sides of the heat dissipation case 901 into an integral structure, the bottom of the first flow guide 905 is provided with a first channel 908, the cross section of the second flow guide 906 is a "U" shaped structure, both sides of the second flow guide 906 and both sides of the inside of the heat dissipation case 901 are provided with a second channel 909, after the transformer oil enters the inside of the heat dissipation box 901, the transformer oil firstly passes through the flow guiding effect of the first flow guiding plate 905, so that the transformer oil enters the inside of the second flow guiding plate 906, and then flows downwards to the second channel 909 to the next group of first flow guiding plates 905, through the matching of the first flow guiding plates 905 and the second flow guiding plates 906, the contact area between the transformer oil and the first flow guiding plates 905 and between the transformer oil and the second flow guiding plates 906 can be increased, the heat exchange effect is improved, and the heat dissipation effect is further improved.
More specifically, the first heat dissipation fins 903 corresponding to the first flow guide plate 905 and the second flow guide plate 906 are arranged outside the heat dissipation box 901, the first heat dissipation fins 903 corresponding to the first flow guide plate 905 and the first flow guide plate 905 are integrated, the contact area between the first flow guide plate 905 and outside air can be increased, and the heat dissipation effect is improved, the first heat dissipation fins 903 corresponding to the second flow guide plate 906 are used for increasing the contact area between the heat dissipation box 901 and outside air, two ends of the second flow guide plate 906 respectively extend to the outside of the heat dissipation box 901 to form second heat dissipation fins 904, the second heat dissipation fins 904 and the second flow guide plate 906 are integrated, and the second heat dissipation fins 904 directly contact with outside air outside the heat dissipation box 901 to complete heat dissipation.
In order to further improve the motion path inside the transformer oil re-radiation tank 910, the bottom of the first flow guide plate 905 is provided with a transition flow guide plate 907 communicated with the first flow guide plate, the transition flow guide plate 907 is two plate structures arranged in parallel at the bottom of the first flow guide plate 905, the transition flow guide plate 907 extends to the inside of the second flow guide plate 906, the heat radiation oil inlet 902 is connected with the bottom of the filter tank 8 through a flange, and the heat radiation oil outlet 903 is connected with the buffer oil tank 6 through a flange. In addition, because between the filter box 8 and the oil outlet pipe 8, the heat dissipation mechanism 9, all can dismantle the connection through the flange between heat dissipation mechanism 9 and the buffer tank 6 for filter box 8 and heat dissipation mechanism can be changed when damaging, reduce the maintenance cost.
In order to facilitate installation and fixation of the electric power convenient equipment, as shown in fig. 1, four mounting plates 16 are uniformly arranged at the bottom of the transformer oil tank, and through holes for assembling bolts are formed in the middle of the mounting plates 16.
In order to facilitate the installation of the electric power transformation equipment and further improve the heat dissipation effect of the electric power transformation equipment, the embodiment also discloses an installation support for the electric power transformation equipment.
As shown in fig. 9 to 11, the mounting bracket of the power transformer apparatus includes a chassis and a heat conducting plate 13 disposed above the chassis, the chassis has two cross beams 14 symmetrically disposed thereon, at least two longitudinal beams 15 are vertically and fixedly connected between the two cross beams 14, specifically, in this embodiment, three longitudinal beams 15 are provided, the longitudinal beams 15 and the cross beams 14 are welded and fixed, a mounting column 22 corresponding to the mounting plate 16 is disposed on the top of the cross beam 14, an internal threaded hole is disposed inside the mounting column 22, the internal threaded hole corresponds to a through hole in the middle of the mounting plate 16, the heat conducting plate 13 is elastically supported on the top of the longitudinal beams 15, the top surface of the heat conducting plate 13 is not lower than the top surface of the mounting column 22, in this embodiment, the power transformer apparatus is mounted on the top of the chassis, the heat conducting plate 13 contacts with the buffer oil tank 6, and can rapidly conduct heat out of the buffer oil tank 6 while supporting the buffer oil tank 6, the heat dissipation of the buffer oil tank 6 is facilitated, and meanwhile, the heat conducting plate 13 is elastically supported at the top of the longitudinal beam 15, so that the heat conducting plate 13 is prevented from being damaged by the buffer oil tank 6 due to pressure while the close contact between the heat conducting plate 13 and the buffer oil tank 6 is ensured.
As a specific implementation mode that the heat conducting plate 13 is elastically supported at the top of the longitudinal beam 15, the bottom of the heat conducting plate 13 is uniformly provided with a boss 17 corresponding to the longitudinal beam 15, a guide rod 18 is fixedly arranged inside the boss 17, the boss 17 is a circular boss structure integrally formed with the heat conducting plate 13, the guide rod 18 is made of stainless steel, the boss 17 is integrally formed with the heat conducting plate 13 and the inside of the boss 17, the boss 17 is used for reinforcing the guide rod 18, the longitudinal beam 15 is provided with a through hole matched with the guide rod 18, the guide rod 18 is assembled inside the through hole, the guide rod 18 is in sliding connection with the longitudinal beam 15, the outer side of the guide rod 18 between the boss 17 and the longitudinal beam 15 is sleeved with a spring 20, the elastic support between the heat conducting plate 13 and the longitudinal beam 15 is realized through the spring 20, the sliding between the guide rod 18 and the longitudinal beam 15 can improve the up-down movement stability of the guide plate 13, one end of the guide rod 18, which is far away from the heat conducting plate 13, is provided with a limit plate 19, the stop plate 19 prevents the link 18 from slipping off the longitudinal beam 15.
Further, in order to increase the heat dissipation area of the heat conduction plate 13 and improve the heat dissipation effect, the bottom of the heat conduction plate 13 is not arranged in a matrix form at the position corresponding to the longitudinal beam 15, the heat dissipation columns 21 are cylindrical structures perpendicular to the heat conduction plate 13, the heat dissipation columns 21 are discharged in a matrix form, so that the air flow in the front-back direction and the left-right direction of the mounting bracket of the power transformer can pass through the gaps between the heat dissipation columns 21, natural wind can be used when the mounting bracket is mounted outdoors, the heat dissipation effect is further improved, and the heat conduction plate 13 and the heat dissipation columns 21 are made of ceramic materials which are integrally formed.
The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A power transformation device is characterized by comprising a transformer oil tank, wherein a transformer winding is arranged inside the transformer oil tank, a high-voltage wiring terminal, a low-voltage wiring terminal and an oil conservator are arranged at the top of the transformer oil tank, the bottom of the oil conservator is communicated with the transformer oil tank through an oil inlet pipe, and one end of the oil inlet pipe, which is positioned inside the transformer oil tank, extends downwards to the inner bottom of the transformer oil tank; the bottom of the transformer oil tank is provided with a cache oil tank, the tops of two sides of the transformer oil tank are provided with oil outlet pipes communicated with the transformer oil tank, one end of each oil outlet pipe, which is far away from the transformer oil tank, is connected with a filter tank, the bottom of the filter tank is communicated with the cache oil tank through a heat dissipation mechanism, one side of the cache oil tank is provided with a circulating pump communicated with the cache oil tank, and the output end of the circulating pump is communicated with the conservator through an oil return pipe;
the heat dissipation mechanism is provided with a heat dissipation box, the top of the heat dissipation box is provided with a heat dissipation oil inlet communicated with the heat dissipation box, the bottom of the heat dissipation box is provided with a heat dissipation oil outlet communicated with the heat dissipation box, the inside of the heat dissipation box is provided with a first guide plate and a second guide plate from top to bottom in turn, the cross section of the first guide plate is of a V-shaped structure, the top end of the first guide plate is connected with the heat dissipation box to form an integral structure, the bottom of the first guide plate is provided with a first channel, the cross section of the second guide plate is of a U-shaped structure, and second channels are arranged between the two sides of the second guide plate and the two sides of the inside of the heat dissipation box.
2. The power transformation device of claim 1, wherein: the filter box is provided with a filter box body, one side of the filter box body is provided with a filtering oil inlet corresponding to the oil outlet pipe, the filtering oil inlet is connected with the oil outlet pipe through a flange, a filter screen is obliquely arranged in the filter box body, a filtering oil outlet is arranged at the bottom of the filter box body, the filtering oil outlet and the filtering oil inlet are respectively located at two sides of the filter screen, the bottom of the filter box body is provided with a sewage draining port which is the same as the extending direction of the filter box body, the bottom of the filter box body is provided with a sewage collecting bin corresponding to the sewage draining port, a sewage filtering net is horizontally arranged in the sewage collecting bin and at one side away from the filter screen, and a sewage inlet is formed between the sewage filtering net and the other side of the sewage collecting bin.
3. The power transformation device of claim 2, wherein: the filter screen with be 30~45 contained angles between the interior bottom of rose box body, top one side of drain with the bottom of filter screen is corresponding, the dirty storehouse of collection is the open semi-cylindrical cavity structure in top, the dirty storehouse mounting panel of collection that is provided with an organic whole structure is encircleed to the bottom in the dirty storehouse of collection, the dirty storehouse mounting panel of collection pass through bolt demountable assembly in the bottom of rose box body.
4. The power transformation device of claim 1, wherein: first radiating fins corresponding to the first guide plate and the second guide plate are arranged outside the radiating box, and two ends of the second guide plate respectively extend to the outside of the radiating box to form second radiating fins.
5. The power transformation device of claim 1, wherein: the bottom of the first guide plate is provided with a transition guide plate communicated with the first guide plate, the transition guide plate extends to the inside of the second guide plate, the heat radiation oil inlet is connected with the bottom of the filter box through a flange, and the heat radiation oil outlet is connected with the cache oil tank through a flange.
6. The power transformation device according to any one of claims 1 to 5, wherein: four mounting plates are uniformly arranged at the bottom of the transformer oil tank.
7. A mounting bracket for an electrical power transformation device as defined in claim 6, wherein: including chassis and setting be in the heat-conducting plate of chassis top, the chassis has the symmetry and is provided with two crossbeams, two at least longerons of perpendicular fixedly connected with between two crossbeams, the top of crossbeam be provided with the corresponding erection column of mounting panel, the interior screw thread pore has been seted up to the inside of erection column, heat-conducting plate elastic support in the top of longeron, the top surface of heat-conducting plate is not less than the top surface of erection column.
8. The mounting bracket of an electrical power transformation apparatus of claim 7, wherein: the bottom of heat-conducting plate evenly be provided with the corresponding boss of longeron, the inside fixed guide arm that is provided with of boss, the guide arm with sliding connection between the longeron, the boss with between the longeron the guide arm outside cover is equipped with the spring, on the guide arm with the one end that the heat-conducting plate deviates from is provided with the limiting plate.
9. The mounting bracket of an electrical power transformation apparatus of claim 7, wherein: the bottom of heat-conducting plate not with the position that the longeron is corresponding is the matrix and arranges and have a plurality of heat dissipation posts, the heat dissipation post be with heat-conducting plate looks vertically cylinder structure, the heat-conducting plate with heat dissipation post is integrated into one piece's ceramic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594082.9A CN112562981B (en) | 2020-12-29 | 2020-12-29 | Power transformation equipment and mounting bracket thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011594082.9A CN112562981B (en) | 2020-12-29 | 2020-12-29 | Power transformation equipment and mounting bracket thereof |
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| Publication Number | Publication Date |
|---|---|
| CN112562981A CN112562981A (en) | 2021-03-26 |
| CN112562981B true CN112562981B (en) | 2021-11-30 |
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| CN202011594082.9A Active CN112562981B (en) | 2020-12-29 | 2020-12-29 | Power transformation equipment and mounting bracket thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113488313A (en) * | 2021-05-26 | 2021-10-08 | 江苏天华变压器有限公司 | Oil-immersed transformer |
| CN114121421A (en) * | 2021-10-27 | 2022-03-01 | 孙东震 | Non-excitation low-loss power transformer |
| CN114267519B (en) * | 2021-11-11 | 2023-06-30 | 共信电力科技有限公司 | Oil-immersed power transformer based on negative pressure anti-overflow filling |
| CN115631928B (en) * | 2022-12-20 | 2023-03-10 | 江西国翔电力设备有限公司 | Transformer capable of accelerating oil circulation of transformer |
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| CN209708781U (en) * | 2019-06-18 | 2019-11-29 | 江西变电设备有限公司 | One kind having hydronic oil-immersed transformer |
| CN211828407U (en) * | 2019-12-31 | 2020-10-30 | 金山门科技有限公司 | High-efficiency cooling oil-immersed transformer |
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| CN205159044U (en) * | 2015-11-23 | 2016-04-13 | 天津双沽机电设备有限公司 | Oil -immersed transformer |
| CN209029205U (en) * | 2018-12-18 | 2019-06-25 | 河南地特力电气有限公司 | Heat radiating type transformer |
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