CN113451018B - Winding structure of power transformer - Google Patents
Winding structure of power transformer Download PDFInfo
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- CN113451018B CN113451018B CN202110716585.7A CN202110716585A CN113451018B CN 113451018 B CN113451018 B CN 113451018B CN 202110716585 A CN202110716585 A CN 202110716585A CN 113451018 B CN113451018 B CN 113451018B
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
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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
- H01F27/085—Cooling by ambient air
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformer Cooling (AREA)
Abstract
The invention relates to the technical field of transformer windings and discloses a power transformer winding structure which comprises an iron core column, wherein a coil is arranged at the side end of the iron core column, a cushion block is arranged at the lower end of the iron core column, a hollow block is arranged at the lower end of the cushion block, a base is arranged at the lower end of the hollow block, a connecting pipe is arranged on the outer surface of the front end of the hollow block, a heat dissipation air pipe is arranged at the front end of the connecting pipe, a heat dissipation fan is arranged at the side end of the heat dissipation air pipe, a connecting piece is arranged at the upper end of the iron core column, and a first mounting bolt is arranged on the outer surface of the front end of the connecting piece. This power transformer winding structure, simple structure, convenient operation, the connectivity is strong, has good insulating nature, and the installation and the dismantlement of being convenient for enhance the security have good radiating effect, strengthen inside radiating efficiency, improve the life of winding, and the installation and the dismantlement of being convenient for are convenient for carry on spacingly to it, reinforcing installation stability.
Description
Technical Field
The invention relates to the technical field of transformer windings, in particular to a power transformer winding structure.
Background
Three windings are arranged in each phase of the three-winding transformer, when one winding is connected with an alternating current power supply, the other two windings induce different electric potentials, the transformer is used for loads requiring two different voltage levels, three different levels of voltages usually appear in a power plant and a power substation, so the three-winding transformer is widely applied in a power system, high-voltage, medium-voltage and low-voltage windings of each phase are sleeved on the same iron core column, and in order to be reasonably used for insulation, the high-voltage winding is usually arranged on the outermost layer, and the medium-voltage and low-voltage windings are usually arranged on the inner layer.
The existing transformer winding has certain defects when in use, firstly, the transformer winding is poor in connectivity when in use, each coil is poor in direct isolation, internal current disorder is caused, the using effect is influenced, the insulation performance is weak, secondly, the winding is used for a long time, the internal heat is high, the heat dissipation performance is poor, fire disasters are caused, potential safety hazards are caused to surrounding residential people, and finally, the winding is installed inside the transformer, the maintenance is not convenient, the connectivity is poor, the labor intensity of maintenance personnel is enhanced, and therefore, a power transformer winding structure is provided.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a power transformer winding structure which has the advantages of enhancing the overall connectivity, having stronger insulativity, enabling an internal insulating partition plate to be convenient to mount and dismount, having a stronger heat dissipation function, enhancing the internal heat dissipation efficiency, prolonging the service life of a winding, having a dustproof function, preventing dust from corroding and influencing the use effect of the winding, having strong connectivity, being convenient to slide and pull out in the transformer, having a limiting function, enhancing the mounting stability, being convenient to maintain and reducing the labor intensity of maintenance personnel.
(II) technical scheme
In order to realize the purposes of enhancing the overall connectivity, having stronger insulativity, facilitating the installation and the disassembly of the internal insulating partition plate, having stronger heat dissipation function, enhancing the internal heat dissipation efficiency, prolonging the service life of the winding, simultaneously having dustproof function, avoiding the dust erosion from influencing the use effect of the winding, having limiting function, enhancing the installation stability, facilitating the maintenance and reducing the labor intensity of maintenance personnel, the invention provides the following technical scheme: the utility model provides a power transformer winding structure, includes the iron core post, the side of iron core post is provided with the coil, the lower extreme of iron core post is provided with the cushion, the lower extreme of cushion is provided with well cavity piece, the lower extreme of well cavity piece is provided with the base, the front end surface of well cavity piece is provided with the connecting pipe, the front end of connecting pipe is provided with the heat dissipation tuber pipe, the side of heat dissipation tuber pipe is provided with cooling fan, the upper end of iron core post is provided with the connecting piece, the front end surface of connecting piece is provided with mounting bolt No. one.
Preferably, be swing joint between coil and the iron core post, the quantity of iron core post is three, and is the array and arranges, the shape of iron core post is cylindrical, the quantity of coil is three, and is the array and arranges, be fixed connection between cushion and the iron core post, be fixed connection between cavity piece and the cushion.
Preferably, be fixed connection between well cavity piece and the connecting pipe, the quantity of connecting pipe is three, and is the array and arranges, be fixed connection between heat dissipation tuber pipe and the connecting pipe, the shape of heat dissipation tuber pipe is cylindrical, be fixed connection between heat dissipation tuber pipe and the cooling fan, cooling fan's quantity is two, and is the symmetry and arranges.
Preferably, be threaded connection through a mounting bolt between connecting piece and the iron core post, a mounting bolt's quantity is a plurality of, and is the array and arranges, the upper end of connecting piece is provided with the vent, the vent runs through in the upper end surface of connecting piece, the quantity of vent is three, and is the array and arranges.
Preferably, the upper end of vent is provided with the dust screen, be swing joint between dust screen and the vent, the quantity of dust screen is three, and is the array and arranges, the upper end of connecting piece is provided with rings, be fixed connection between rings and the connecting piece, the quantity of rings is a plurality of, and is the array and arranges.
Preferably, be provided with insulating barrier between connecting piece and the well cavity piece, insulating barrier's quantity is two, and is the symmetry and arranges, insulating barrier's upper end is provided with the installation piece, the quantity of installation piece is a plurality of, and is the symmetry and arranges, be provided with the hinge between installation piece and the insulating barrier, be fixed connection between hinge and insulating barrier and the installation piece, be swing joint through the hinge between insulating barrier and the installation piece.
Preferably, the front end of installation piece sets up No. two construction bolts, be threaded connection through No. two construction bolts between installation piece and the connecting piece, No. two construction bolts's quantity is a plurality of, and is the symmetry and arranges.
Preferably, the upper end surface of base is provided with the spout, the spout inlays in the upper end surface of base, the quantity of spout is two, and is the symmetry and arranges, the lower extreme of cavity piece is provided with the slider, be fixed connection between slider and the cavity piece, the quantity of slider is two, and is the symmetry and arranges, be sliding connection through spout and slider between cavity piece and the base.
Preferably, the upper end surface of base is provided with the fixed mounting hole, the fixed mounting hole runs through in the upper end surface of base, the quantity of fixed mounting hole is four, and is the array and arranges, the front end of well cavity piece is provided with the limiting plate, be fixed connection between limiting plate and the well cavity piece, the upper end of limiting plate is provided with spacing hole, spacing hole runs through in the upper end surface of limiting plate, the upper end of spout is provided with the locating hole, the locating hole runs through in the upper end surface of spout, the quantity of locating hole is a plurality of, and is the array and arranges.
(III) advantageous effects
Compared with the prior art, the invention provides a power transformer winding structure, which has the following beneficial effects:
1. this power transformer winding structure, through being provided with insulating barrier, the insulating nature between each coil of reinforcing improves and uses the installation nature, uses through being provided with hinge cooperation installation piece, and the reinforcing is connected, carries out threaded connection with it through No. two construction bolts, and the reinforcing connectivity makes its installation and dismantlement of being convenient for.
2. This power transformer winding structure is through being provided with the connecting pipe at the iron core post front end, and it is inside to blow into the radiator-fan with wind, dispels the heat to the iron core post, strengthens inside radiating effect, blows off the heat through the vent, is provided with the dust screen simultaneously, avoids the dust to get into inside the iron core post by the air, influences the result of use of inside current.
3. This power transformer winding structure through setting up the cooperation between spout and the slider, makes the winding can slide on the base, makes it be convenient for pull out from the transformer is inside, conveniently maintains, reduces staff's intensity of labour, and through locating hole and spacing hole, makes it carry on spacingly through the activity pin junction in the transformer is inside, strengthens the stability of winding installation, improves the practicality.
Drawings
FIG. 1 is a general schematic diagram of a power transformer winding structure according to the present invention;
FIG. 2 is a top view of a power transformer winding configuration of the present invention;
FIG. 3 is a side view of a power transformer winding structure of the present invention;
FIG. 4 is a front view of a power transformer winding configuration of the present invention;
FIG. 5 is a rear view of a power transformer winding configuration of the present invention;
fig. 6 is a partially broken away view of a power transformer winding structure of the present invention.
In the figure: 1. a core limb; 2. a coil; 3. cushion blocks; 4. a hollow block; 5. a base; 6. a connecting pipe; 7. a heat dissipation air pipe; 8. a heat radiation fan; 9. a connecting member; 10. a first mounting bolt; 11. a vent; 12. a dust screen; 13. a hoisting ring; 14. an insulating spacer; 15. mounting blocks; 16. a hinge; 17. mounting a bolt II; 18. a chute; 19. a slider; 20. fixing the mounting hole; 21. a limiting plate; 22. a limiting hole; 23. and (7) positioning the holes.
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. 1-6, a winding structure of a power transformer includes an iron core column 1, a coil 2 is disposed at a side end of the iron core column 1, a cushion block 3 is disposed at a lower end of the iron core column 1, a hollow block 4 is disposed at a lower end of the cushion block 3, a base 5 is disposed at a lower end of the hollow block 4, a connecting pipe 6 is disposed on an outer surface of a front end of the hollow block 4, a heat dissipation air pipe 7 is disposed at a front end of the connecting pipe 6, a heat dissipation fan 8 is disposed at a side end of the heat dissipation air pipe 7, a connecting member 9 is disposed at an upper end of the iron core column 1, and a first mounting bolt 10 is disposed on an outer surface of a front end of the connecting member 9.
Be swing joint between coil 2 and the iron core post 1, the quantity of iron core post 1 is three, and is the array and arranges, and the shape of iron core post 1 is cylindrically, and the quantity of coil 2 is three, and is the array and arranges, is fixed connection between cushion 3 and the iron core post 1, is fixed connection between cavity 4 and the cushion 3, through being provided with cushion 3, has the guard action to coil 2.
Be fixed connection between cavity piece 4 and the connecting pipe 6, the quantity of connecting pipe 6 is three, and is the array and arranges, is fixed connection between heat dissipation tuber pipe 7 and the connecting pipe 6, and the shape of heat dissipation tuber pipe 7 is cylindrical, is fixed connection between heat dissipation tuber pipe 7 and the cooling fan 8, and the quantity of cooling fan 8 is two, and is the symmetry and arranges, through the cooperation of cooling fan 8 with heat dissipation tuber pipe 7, strengthens inside radiating effect.
Be threaded connection through a construction bolt 10 between connecting piece 9 and the iron core post 1, the quantity of a construction bolt 10 is a plurality of, and is the array and arranges, and the upper end of connecting piece 9 is provided with vent 11, and vent 11 runs through in the upper end surface of connecting piece 9, and the quantity of vent 11 is three, and is the array and arranges, through the threaded connection of a construction bolt 10, strengthens the connectivity, makes its installation and dismantlement of being convenient for.
The upper end of vent 11 is provided with dust screen 12, is swing joint between dust screen 12 and the vent 11, and the quantity of dust screen 12 is three, and is the array and arranges, and the upper end of connecting piece 9 is provided with rings 13, is fixed connection between rings 13 and the connecting piece 9, and rings 13's quantity is a plurality of, and is the array and arranges, through being provided with dust screen 12, makes it have dustproof effect, avoids the dust to corrode inside.
Be provided with insulating barrier 14 between connecting piece 9 and the well hollow block 4, insulating barrier 14's quantity is two, and be the symmetry and arrange, insulating barrier 14's upper end is provided with installation piece 15, installation piece 15's quantity is a plurality of, and be the symmetry and arrange, be provided with hinge 16 between installation piece 15 and the insulating barrier 14, be fixed connection between hinge 16 and insulating barrier 14 and the installation piece 15, be swing joint through hinge 16 between insulating barrier 14 and the installation piece 15, be connected with installation piece 15 through hinge 16, make it be convenient for install and dismantle, convenience and practicality.
The front end of installation piece 15 sets up No. two construction bolts 17, is threaded connection through No. two construction bolts 17 between installation piece 15 and the connecting piece 9, and No. two construction bolts 17's quantity is a plurality of, and is the symmetry and arranges, connects through No. two construction bolts 17, strengthens the connectivity, convenient dismantlement.
When the transformer is in operation, a user installs a winding into the transformer through the fixed installation hole 20 on the base 5, aligns with the positioning hole 23 through the limiting hole 22 on the limiting plate 21, fixes the winding through the movable pin, enhances the installation stability, blows wind into the heat dissipation air pipe 7 through the heat dissipation fan 8, dissipates heat to the iron core column 1, enhances the heat dissipation effect inside, blows heat through the ventilation opening 11, is provided with the dust screen 12 at the same time, prevents dust from entering the iron core column 1 from air and affecting the use effect of internal current, enhances the insulativity among the coils 2 through the arrangement of the insulating partition plate 14, improves the use and installation performance, is matched with the installation block 15 through the hinge 16, enhances the connection, and is in threaded connection through the second installation bolt 17, enhances the connection performance, so that the transformer is convenient to install and disassemble, and overhauls the inside if needed, the staff then through tearing the removable pin open, through the cooperation between spout 18 and the slider 19, makes the winding can slide on base 5, makes it be convenient for pull out from the transformer is inside, conveniently maintains, reduces staff's intensity of labour, improves the practicality.
In summary, in the winding structure of the power transformer, the insulating partition 14 is arranged to enhance the insulativity among the coils 2 and improve the installation performance, the hinge 16 is arranged to be matched with the installation block 15 for use, the connection is enhanced, the second installation bolt 17 is used for threaded connection, the connection is enhanced, so that the installation and disassembly are convenient, the connecting pipe 6 is arranged at the front end of the iron core column 1, the heat dissipation fan 8 blows air into the heat dissipation air pipe 7 to dissipate heat of the iron core column 1, the heat dissipation effect of the interior is enhanced, the vent 11 blows heat, the dust screen 12 is arranged to prevent dust from entering the iron core column 1 from air and influencing the use effect of the internal current, the matching between the sliding groove 18 and the sliding block 19 is arranged, so that the winding can slide on the base 5, so that the winding can be conveniently pulled out from the interior of the transformer, and the maintenance is convenient, reduce staff's intensity of labour, and through locating hole 23 and spacing hole 22, make it carry on spacingly through the activity pin junction in that the transformer is inside, the stability of reinforcing winding installation improves the practicality.
It should be noted that, in this document, relational terms such as first and second, and the like are 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 a power transformer winding structure, includes iron core post (1), its characterized in that: the coil (2) is arranged at the side end of the iron core column (1), the cushion block (3) is arranged at the lower end of the iron core column (1), the hollow block (4) is arranged at the lower end of the cushion block (3), the base (5) is arranged at the lower end of the hollow block (4), the connecting pipe (6) is arranged on the outer surface of the front end of the hollow block (4), the radiating air pipe (7) is arranged at the front end of the connecting pipe (6), the radiating fan (8) is arranged at the side end of the radiating air pipe (7), the connecting piece (9) is arranged at the upper end of the iron core column (1), the first mounting bolt (10) is arranged on the outer surface of the front end of the connecting piece (9), the sliding groove (18) is arranged on the outer surface of the upper end of the base (5), the sliding groove (18) is embedded in the outer surface of the upper end of the base (5), and the number of the sliding grooves (18) is two, and is symmetrically arranged, the lower end of the hollow block (4) is provided with a sliding block (19), the sliding block (19) is fixedly connected with the hollow block (4), the sliding blocks (19) are symmetrically arranged, the hollow block (4) is slidably connected with the base (5) through sliding grooves (18) and the sliding blocks (19), the upper end outer surface of the base (5) is provided with fixed mounting holes (20), the fixed mounting holes (20) penetrate through the upper end outer surface of the base (5), the fixed mounting holes (20) are four in number and are arranged in an array manner, the front end of the hollow block (4) is provided with a limiting plate (21), the limiting plate (21) is fixedly connected with the hollow block (4), the upper end of the limiting plate (21) is provided with a limiting hole (22), the limiting hole (22) penetrates through the upper end outer surface of the limiting plate (21), the upper end of the sliding chute (18) is provided with a plurality of positioning holes (23), the positioning holes (23) penetrate through the outer surface of the upper end of the sliding chute (18), and the positioning holes (23) are arranged in an array.
2. A power transformer winding arrangement according to claim 1, wherein: be swing joint between coil (2) and iron core post (1), the quantity of iron core post (1) is three, and is the array and arranges, the shape of iron core post (1) is cylindrically, the quantity of coil (2) is three, and is the array and arranges, be fixed connection between cushion (3) and iron core post (1), be fixed connection between cavity piece (4) and cushion (3).
3. A power transformer winding arrangement according to claim 1, wherein: be fixed connection between cavity piece (4) and connecting pipe (6), the quantity of connecting pipe (6) is three, and is the array and arranges, be fixed connection between heat dissipation tuber pipe (7) and connecting pipe (6), the shape of heat dissipation tuber pipe (7) is cylindrical, be fixed connection between heat dissipation tuber pipe (7) and cooling fan (8), the quantity of cooling fan (8) is two, and is the symmetry and arranges.
4. A power transformer winding arrangement according to claim 1, wherein: be threaded connection through a mounting bolt (10) between connecting piece (9) and iron core post (1), the quantity of a mounting bolt (10) is a plurality of, and is the array and arranges, the upper end of connecting piece (9) is provided with vent (11), vent (11) run through in the upper end surface of connecting piece (9), the quantity of vent (11) is three, and is the array and arranges.
5. A power transformer winding arrangement according to claim 4, wherein: the upper end of vent (11) is provided with dust screen (12), be swing joint between dust screen (12) and vent (11), the quantity of dust screen (12) is three, and is the array and arranges, the upper end of connecting piece (9) is provided with rings (13), be fixed connection between rings (13) and connecting piece (9), the quantity of rings (13) is a plurality of, and is the array and arranges.
6. A power transformer winding arrangement according to claim 1, wherein: be provided with between connecting piece (9) and cavity piece (4) insulating barrier (14), the quantity of insulating barrier (14) is two, and is the symmetry and arranges, the upper end of insulating barrier (14) is provided with installation piece (15), the quantity of installation piece (15) is a plurality of, and is the symmetry and arranges, be provided with hinge (16) between installation piece (15) and insulating barrier (14), be fixed connection between hinge (16) and insulating barrier (14) and installation piece (15), be swing joint through hinge (16) between insulating barrier (14) and the installation piece (15).
7. A power transformer winding arrangement according to claim 6, wherein: the front end of installation piece (15) sets up No. two construction bolts (17), be threaded connection through No. two construction bolts (17) between installation piece (15) and connecting piece (9), the quantity of No. two construction bolts (17) is a plurality of, and is the symmetry and arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110716585.7A CN113451018B (en) | 2021-06-25 | 2021-06-25 | Winding structure of power transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110716585.7A CN113451018B (en) | 2021-06-25 | 2021-06-25 | Winding structure of power transformer |
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| Publication Number | Publication Date |
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| CN113451018A CN113451018A (en) | 2021-09-28 |
| CN113451018B true CN113451018B (en) | 2022-06-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110716585.7A Active CN113451018B (en) | 2021-06-25 | 2021-06-25 | Winding structure of power transformer |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113903578B (en) * | 2021-09-29 | 2024-04-23 | 江苏迈盛新材料有限公司 | Current transformer processing device and processing technology thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645348A (en) * | 2008-08-08 | 2010-02-10 | 海南金盘电气有限公司 | Three-phase dry-type transformer for wind power generation |
| CN206774358U (en) * | 2017-04-22 | 2017-12-19 | 佛山市胜鼎电气设备有限公司 | A kind of dry-type transformer of convenient installation |
| CN209729670U (en) * | 2019-05-10 | 2019-12-03 | 合肥景喜电气设备有限公司 | A kind of level-one efficiency dry-type transformer |
-
2021
- 2021-06-25 CN CN202110716585.7A patent/CN113451018B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645348A (en) * | 2008-08-08 | 2010-02-10 | 海南金盘电气有限公司 | Three-phase dry-type transformer for wind power generation |
| CN206774358U (en) * | 2017-04-22 | 2017-12-19 | 佛山市胜鼎电气设备有限公司 | A kind of dry-type transformer of convenient installation |
| CN209729670U (en) * | 2019-05-10 | 2019-12-03 | 合肥景喜电气设备有限公司 | A kind of level-one efficiency dry-type transformer |
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| CN113451018A (en) | 2021-09-28 |
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