CN111933415B - Concentric winding mechanism of oil immersed transformer and application thereof - Google Patents
Concentric winding mechanism of oil immersed transformer and application thereof Download PDFInfo
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- CN111933415B CN111933415B CN202010778425.0A CN202010778425A CN111933415B CN 111933415 B CN111933415 B CN 111933415B CN 202010778425 A CN202010778425 A CN 202010778425A CN 111933415 B CN111933415 B CN 111933415B
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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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
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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
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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
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/38—Auxiliary core members; Auxiliary coils or windings
Abstract
The invention relates to the technical field of oil immersed transformers, and discloses a concentric winding mechanism of an oil immersed transformer and application thereof. This oil immersed transformer concentric type winding wire winding mechanism and application thereof uses through the cooperation of mercury case and cutting frame to reached and reached when the magnetic leakage phenomenon reaches the influence transformer during operation, the effect to the electric energy that the load compensation leaked out automatically.
Description
Technical Field
The invention relates to the technical field of oil immersed transformers, in particular to a concentric winding mechanism of an oil immersed transformer and application thereof.
Background
The oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, and the three-dimensional wound iron core has no air gap in a magnetic circuit because three core columns are arranged in a three-dimensional manner in an equilateral triangle, so that the winding is tighter, the three magnetic circuits are consistent in length and shortest, and the cross sectional area of the core columns is closer to a circular shape, so that the performance is further improved, the loss is reduced, the noise is reduced, the three-phase balance is realized, and the third harmonic component is reduced.
When the transformer works, because there is certain clearance at the winding of iron core surface winding, these windings can appear the magnetic field when the electric current appears between the clearance, and some magnetic energy can be consumed in the magnetic field, and this is just the magnetic leakage phenomenon, and this kind of phenomenon strengthens along with the rising of iron core temperature, so increase to a certain extent at iron core temperature, the magnetic leakage phenomenon can lead to transformer work appearance error.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a concentric winding mechanism of an oil immersed transformer and application thereof, which have the advantages of automatically compensating leaked electric energy for a load when the magnetic leakage phenomenon reaches the effect of influencing the working of the transformer, and the like, and solve the problem that the existing transformer cannot automatically compensate the leaked electric energy for the load when the magnetic leakage phenomenon reaches the effect of influencing the working of the transformer.
(II) technical scheme
In order to realize the purpose of automatically compensating the electric energy leaked out of the load when the magnetic leakage phenomenon affects the work of the transformer, the invention provides the following technical scheme: a concentric winding mechanism of an oil immersed transformer comprises an iron core, a mercury tank is fixedly connected with the top of the iron core, the mercury tank is connected with an extrusion plate in a sliding way, the bottom of the extrusion plate is fixedly connected with a force storage rod, the side surface of the force storage rod is engaged and connected with a bearing wheel, the surface of the bearing wheel is engaged and connected with a screw rod, the side surface of the screw rod is engaged with a rotating shaft, the bottom of the rotating shaft is fixedly connected with a cutting frame, the bottom of the cutting frame is rotatably connected with a lead, the right side of the lead is fixedly connected with a load, one side of the force storage rod, which is far away from the bearing wheel, is provided with a force storage block, a spring rod is arranged above the force storage block, the side surface of the force storage rod is connected with an extrusion rod in a sliding way, the right side of the extrusion rod is connected with a driving wheel in a rotating way, the side of the driving wheel is provided with an engaging rod in an inserting way, and a conical shaft is arranged below the driving wheel.
Preferably, a cooling oil tank is arranged on the outer side of the conical shaft.
Preferably, the side of the force storage rod is provided with an arc-shaped bulge, the arc-shaped bulge is in non-extrusion contact with the left side of the extrusion rod initially, when the force storage rod moves upwards, the arc-shaped bulge arranged on the side of the force storage rod extrudes the extrusion rod, the extrusion rod moves rightwards, and the driving wheel on the right side is driven to move rightwards.
Preferably, the top of the extrusion plate is fixedly connected with a return spring.
Preferably, the force storage block is in one-way upward clamping connection with the spring rod, and when the force storage rod moves downwards, the spring rod cannot block, so that the force storage rod is reset smoothly.
Preferably, an oil guide pipe is arranged on the side surface of the cooling oil tank, covers the surface of the transformer, and brings heat on the surface of the transformer to the inside of the cooling oil tank.
Preferably, the right side of the conical shaft is provided with a liquid pump.
According to the concentric winding mechanism of the oil immersed transformer, a concentric winding mechanism of the oil immersed transformer and an application method thereof are provided, and the concentric winding mechanism comprises the following steps:
and S1, when in use, firstly, a mercury tank and the like are installed on the surface position of the transformer.
S2, filling the mercury box with proper mercury to make the power storage block just under the spring rod.
And S3, starting a power supply and formally operating the transformer.
And S4, starting a motor for controlling the driving wheel to cause the driving wheel to rotate, wherein the meshing rod is meshed with the conical shaft below to rotate under the action of centrifugal force.
And S5, at the moment, the equipment is installed, and when the temperature of the transformer reaches a certain degree, the wire automatically charges the compensation current into the load.
(III) advantageous effects
Compared with the prior art, the invention provides a concentric winding mechanism of an oil immersed transformer and application thereof, and the concentric winding mechanism has the following beneficial effects:
1. this oil-immersed transformer concentric type winding wire winding mechanism and use thereof, through mercury case and cutting frame's cooperation use, in transformer working process, the temperature of iron core risees gradually, leads to mercury of mercury incasement portion to be heated the inflation, and extrusion stripper plate rebound, and then drives and hold power pole rebound, because the power piece that holds that the side of holding power pole set up is blockked by the spring beam, so along with the iron core temperature risees, holds the extrusion force grow gradually of power piece to the spring beam.
When the power of the transformer is increased, the temperature of the iron core is increased to the moving degree, the force storage block is caused to cross the spring rod to move upwards quickly, the force storage rod and the bearing wheel are caused to generate meshing transmission, the bearing wheel drives the screw rod meshed with the bearing wheel to rotate, the screw rod drives the rotating shaft meshed with the side face of the screw rod to rotate, the rotating shaft drives the cutting frame at the bottom to rotate, and the cutting frame is positioned in a magnetic field between windings, so that current is generated in the cutting frame due to the fact that magnetic induction lines are cut, the current is guided into a load on the right side along a lead at the bottom, the input current of the load is increased, energy generated by magnetic leakage is compensated onto the load connected with the transformer, energy compensation is completed, and therefore the effect of automatically compensating leaked electric energy for the load when the magnetic leakage phenomenon affects the.
2. This oil-immersed transformer concentric type winding wire winding mechanism and use thereof, cooperation through cooling tank and conical shaft is used, when holding power pole rebound, the arc arch of its side setting leads to the fact the extrusion to the stripper bar, the stripper bar moves right, the action wheel that drives the right side moves right, because the motor drives the action wheel and rotates, under the effect of centrifugal force, the meshing pole that the action wheel side alternates and sets up moves to keeping away from the wheel center direction, produce the meshing with the conical shaft of below, it rotates to drive the conical shaft, the drawing liquid pump that pivoted conical shaft drove the right side setting rotates, make the drawing liquid pump will draw the coolant liquid, lead to the coolant liquid to flow on the transformer surface, cool down the transformer.
Therefore, the meshing diameter of the meshing rod and the conical shaft is reduced along with the rightward movement of the driving wheel, so that the rotating speed of the conical shaft is increased, the cooling of the transformer is accelerated, and the effect of automatically accelerating the cooling speed of the cooling oil tank when the temperature of the transformer is increased to the extent that the working of the transformer is influenced by the magnetic flux leakage phenomenon is achieved.
Drawings
FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;
FIG. 2 is a schematic view of the structure and power rod attachment mechanism of the present invention;
FIG. 3 is a schematic view of the connection between the cutting frame and the lead according to the present invention;
FIG. 4 is a schematic view of a cooling oil tank of the present invention;
FIG. 5 is a cross-sectional view of the driving wheel of the present invention.
In the figure: 1-iron core, 2-mercury box, 3-extrusion plate, 4-force storage rod, 5-bearing wheel, 6-rotating shaft, 7-screw, 8-cutting frame, 9-lead, 10-load, 11-force storage block, 12-spring rod, 13-cooling oil tank, 14-conical shaft, 15-extrusion rod, 16-driving wheel and 17-meshing rod.
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. 1-5, a concentric winding mechanism for an oil immersed transformer, includes an iron core 1, the iron core 1 is made of stainless steel, which can effectively prevent equipment from being corroded, greatly prolongs the service life of the equipment, reduces the production cost, and plays an indispensable role for enterprises, the top of the iron core 1 is fixedly connected with a mercury tank 2, the inside of the mercury tank 2 is slidably connected with an extrusion plate 3, the top of the extrusion plate 3 is fixedly connected with a return spring, the bottom of the extrusion plate 3 is fixedly connected with a force storage rod 4, the side surface of the force storage rod 4 is provided with an arc-shaped protrusion, and is initially in non-extrusion-contact with the left side of the extrusion rod 15, when the force storage rod 4 moves upwards, the arc-shaped protrusion arranged on the side surface extrudes the extrusion rod 15, the extrusion rod 15 moves rightwards, drives a driving wheel 16 on the right side to move rightwards, the side surface of the force storage rod 4 is engaged with, the surface of the receiving wheel 5 is engaged and connected with a screw rod 7, the side surface of the screw rod 7 is engaged and connected with a rotating shaft 6, the bottom of the rotating shaft 6 is fixedly connected with a cutting frame 8, the bottom of the cutting frame 8 is rotatably connected with a lead 9, the right side of the lead 9 is fixedly connected with a load 10, one side of the force accumulation rod 4, which is far away from the receiving wheel 5, is provided with a force accumulation block 11, the force accumulation block 11 is in one-way upward clamping connection with a spring rod 12, when the force accumulation rod 4 moves downwards, the spring rod 12 cannot block, so that the force accumulation rod 4 is successfully reset, the spring rod 12 is arranged above the force accumulation block 11, the side surface of the force accumulation rod 4 is slidably connected with an extrusion rod 15, the right side of the extrusion rod 15 is rotatably connected with a driving wheel 16, the side surface of the driving wheel 16 is penetrated and provided with an engaging rod 17, the engaging rod 17 is made of heat-resistant plastic, the cooling oil tank 13 is arranged on the outer side of the conical shaft 14, and the oil guide pipe is arranged on the side surface of the cooling oil tank 13, covers the surface of the transformer, and brings heat on the surface of the transformer into the cooling oil tank 13.
And S1, when in use, the mercury tank 2 and the like are firstly installed on the surface position of the transformer.
S2, the mercury is filled in the mercury case 2 so that the power storage block 11 is located just under the spring rod 12.
And S3, starting a power supply and formally operating the transformer.
S4, the motor controlling the driving wheel 16 is started to cause the driving wheel 16 to rotate, and the engaging rod 17 is engaged with the lower tapered shaft 14 to rotate under the action of centrifugal force.
S5, at this time, the installation of the device is completed, and when the temperature of the transformer reaches a certain level, the lead 9 will automatically charge the compensation current into the load 10.
In transformer working process, the temperature of iron core 1 risees gradually, leads to mercury of mercury case 2 inside to be heated the inflation, extrudees 3 rebound, and then drives power storage rod 4 rebound, because power storage block 11 that power storage rod 4's side set up is blockked by spring beam 12, so along with iron core 1 temperature rise, power storage block 11 is to the extrusion force grow gradually of spring beam 12.
When the power of the transformer is increased, the temperature of the iron core 1 is increased to the moving degree, the force storage block 11 is caused to move upwards rapidly over the spring rod 12, the force storage rod 4 is caused to be in meshing transmission with the bearing wheel 5, the bearing wheel 5 drives the screw rod 7 meshed with the bearing wheel to rotate, the screw rod 7 drives the rotating shaft 6 meshed with the side face of the screw rod to rotate, the rotating shaft 6 drives the cutting frame 8 at the bottom to rotate, the cutting frame 8 is positioned in a magnetic field between winding wires, current is generated inside the cutting frame 8 due to the cutting of magnetic induction wires, the current is guided to the load 10 on the right side along the lead wire 9 at the bottom, the input current of the load 10 is increased, the energy generated by magnetic leakage is compensated to the load 10 connected with the transformer, the energy compensation is completed, and the effect of automatically compensating the leaked electric energy to the load 10 when the magnetic leakage phenomenon affects the working.
When power storage rod 4 moves upwards, the arc-shaped protrusion arranged on the side face extrudes extrusion rod 15, extrusion rod 15 moves rightwards, driving wheel 16 on the right side moves rightwards, and the motor drives driving wheel 16 to rotate, under the action of centrifugal force, engaging rod 17 arranged on the side face of driving wheel 16 in an inserting mode moves towards the direction far away from the wheel center and is engaged with conical shaft 14 below to drive conical shaft 14 to rotate, and rotating conical shaft 14 drives liquid pumping pump arranged on the right side to rotate, so that the liquid pumping pump pumps cooling liquid, the cooling liquid flows on the surface of the transformer, and the transformer is cooled.
Therefore, as the driving wheel 16 moves rightwards, the meshing diameter of the meshing rod 17 and the conical shaft 14 is reduced, so that the rotating speed of the conical shaft 14 is increased, the cooling of the transformer is accelerated, and the effect of automatically accelerating the cooling speed of the cooling oil tank 13 when the temperature of the transformer rises to the point that the working of the transformer is influenced by the magnetic flux leakage phenomenon is achieved
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an oil-immersed transformer concentric type winding wire winding mechanism, includes iron core (1), its characterized in that: the top of the iron core (1) is fixedly connected with a mercury tank (2), the inner part of the mercury tank (2) is connected with an extrusion plate (3) in a sliding manner, the bottom of the extrusion plate (3) is fixedly connected with an accumulation force rod (4), the side surface of the accumulation force rod (4) is connected with a bearing wheel (5) in a meshing manner, the surface of the bearing wheel (5) is connected with a screw rod (7) in a meshing manner, the side surface of the screw rod (7) is connected with a rotating shaft (6) in a meshing manner, the bottom of the rotating shaft (6) is fixedly connected with a cutting frame (8), the bottom of the cutting frame (8) is rotatably connected with a lead (9), the right side of the lead (9) is fixedly connected with a load (10), one side of the accumulation force rod (4) far away from the bearing wheel (5) is provided with an accumulation force block (11), a spring rod (12) is arranged above the accumulation force block (11), and the side, a driving wheel (16) is rotatably connected to the right side of the extrusion rod (15), an engaging rod (17) is inserted into the side surface of the driving wheel (16), and a conical shaft (14) is arranged below the driving wheel (16); the side of the force storage rod (4) is provided with an arc-shaped bulge, and the arc-shaped bulge is in non-extrusion force contact with the left side of the extrusion rod (15) at the beginning.
2. The concentric winding and winding mechanism of oil transformers according to claim 1, characterized in that: and a cooling oil tank (13) is arranged on the outer side of the conical shaft (14).
3. The concentric winding and winding mechanism of oil transformers according to claim 1, characterized in that: the top of the extrusion plate (3) is fixedly connected with a return spring.
4. The concentric winding and winding mechanism of oil transformers according to claim 1, characterized in that: the force accumulation block (11) is in one-way upward clamping connection with the spring rod (12).
5. The concentric winding and winding mechanism of oil transformers according to claim 2, characterized in that: and an oil guide pipe is arranged on the side surface of the cooling oil tank (13) and covers the surface of the transformer.
6. The concentric winding and winding mechanism of oil transformers according to claim 1, characterized in that: and a liquid pump is arranged on the right side of the conical shaft (14).
7. The concentric winding and winding mechanism of the oil-immersed transformer according to claim 1, and the concentric winding and winding mechanism of the oil-immersed transformer and the application method thereof are provided, wherein the concentric winding and winding mechanism of the oil-immersed transformer comprises: comprises the following steps:
s1, when in use, the mercury tank (2) and the like are firstly installed on the surface position of the transformer;
s2, filling proper mercury into the mercury tank (2) to ensure that the power storage block (11) is just positioned on the lower surface of the spring rod (12);
s3, starting a power supply, and formally working a transformer;
s4, starting a motor for controlling the driving wheel (16) to cause the driving wheel (16) to rotate, and under the action of centrifugal force, the meshing rod (17) is meshed with the conical shaft (14) below to rotate;
and S5, at the moment, the equipment is installed, and when the temperature of the transformer reaches a certain degree, the lead (9) automatically charges the compensation current into the load (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010778425.0A CN111933415B (en) | 2020-08-05 | 2020-08-05 | Concentric winding mechanism of oil immersed transformer and application thereof |
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| CN202010778425.0A CN111933415B (en) | 2020-08-05 | 2020-08-05 | Concentric winding mechanism of oil immersed transformer and application thereof |
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| CN111933415A CN111933415A (en) | 2020-11-13 |
| CN111933415B true CN111933415B (en) | 2021-05-14 |
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| CN112809738A (en) * | 2020-12-31 | 2021-05-18 | 成都诚楠都荟商贸有限公司 | Artificial intelligence robot assists balancing unit based on intelligence is made |
| CN112936761B (en) * | 2021-01-20 | 2021-11-30 | 深圳市合川医疗科技有限公司 | Precision mold or injection molding process for in vitro diagnosis test card |
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| EP0598924A1 (en) * | 1992-06-18 | 1994-06-01 | Kabushiki Kaisha Yaskawa Denki | Non-contact power transmission apparatus, non-contact signal transmitter, separation type machine using them and control method thereof |
| CN105679521A (en) * | 2016-01-22 | 2016-06-15 | 南京航空航天大学 | Axial half-section LL-shaped non-contact power supply slip ring |
| CN111223647A (en) * | 2020-03-05 | 2020-06-02 | 抚州市双菱磁性材料有限公司 | High-frequency transformer magnetic core structure |
| CN111312486A (en) * | 2020-04-01 | 2020-06-19 | 义乌辛璟电子商务有限公司 | Heat dissipation protection equipment based on oil-immersed high-frequency transformer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201134323Y (en) * | 2007-08-04 | 2008-10-15 | 曹晓洪 | Electromagnetic induction controlled direct driving reciprocating type high efficient transducer |
| CN211045191U (en) * | 2019-06-11 | 2020-07-17 | 徐州永刚电力设备有限公司 | Novel oil-immersed power transformer |
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2020
- 2020-08-05 CN CN202010778425.0A patent/CN111933415B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0598924A1 (en) * | 1992-06-18 | 1994-06-01 | Kabushiki Kaisha Yaskawa Denki | Non-contact power transmission apparatus, non-contact signal transmitter, separation type machine using them and control method thereof |
| CN105679521A (en) * | 2016-01-22 | 2016-06-15 | 南京航空航天大学 | Axial half-section LL-shaped non-contact power supply slip ring |
| CN111223647A (en) * | 2020-03-05 | 2020-06-02 | 抚州市双菱磁性材料有限公司 | High-frequency transformer magnetic core structure |
| CN111312486A (en) * | 2020-04-01 | 2020-06-19 | 义乌辛璟电子商务有限公司 | Heat dissipation protection equipment based on oil-immersed high-frequency transformer |
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