CN209087521U - A kind of energy-saving oil immersed transformer - Google Patents
A kind of energy-saving oil immersed transformer Download PDFInfo
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- CN209087521U CN209087521U CN201822080598.6U CN201822080598U CN209087521U CN 209087521 U CN209087521 U CN 209087521U CN 201822080598 U CN201822080598 U CN 201822080598U CN 209087521 U CN209087521 U CN 209087521U
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Abstract
The utility model discloses a kind of energy-saving oil immersed transformers, including transformer body, the two sides of transformer body bottom are fixedly installed with pedestal, the four sides of transformer body is fixedly installed with corrugated tank, the front of corrugated tank is fixedly installed with nameplate, two sides at the top of transformer body are fixedly installed with flap seat, and the top of transformer body and being located between two flap seats is fixedly mounted that there are four low-tension bushing and three bushings respectively.The energy-saving oil immersed transformer carries out seven grades of stacks by high quality cold-reduced silicon sheet by iron core and is made, and uses 45 degree of full bias seams, and the folded iron core without the continuous yoke structure of punching, so as to improve magnetic structure, loss is reduced, in no-load transformer or low-load, reduce no-load current and no-load loss, much electricity can be saved, advantageously ensures that no-load performance, and be lost very low, fastener thereon uses special locking processing simultaneously, greatly increases the mechanical strength of iron core.
Description
Technical field
The utility model relates to a kind of transformer, specifically a kind of energy-saving oil immersed transformer.
Background technique
Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary
Grade coil and iron core (magnetic core).Major function has: voltage transformation, current transformation, impedance transformation, isolation, pressure stabilizing (magnetic saturation transformation
Device) etc..Can be divided into, according to use: (electric furnace becomes, rectifies change, power frequency testing transformer, pressure regulation for power transformer and special transformer
Device, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer,
Reactor, mutual inductor etc.).By the type of cooling point: dry-type transformer and oil-immersed transformer.
Transformer during transimission power its own to generate the loss of active power, still, traditional oil immersed type
Transformer, for transformer in unloaded or low-load, loss is higher, greatly wastes the energy, increases cost, economy effect
Fruit is bad.
Utility model content
The purpose of this utility model is to provide a kind of energy-saving oil immersed transformers, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions:
A kind of energy-saving oil immersed transformer, including transformer body, the two sides of the transformer body bottom are fixed
Pedestal is installed, the four sides of the transformer body is fixedly installed with corrugated tank, the fixed peace in the front of the corrugated tank
Equipped with nameplate, the two sides at the top of the transformer body are fixedly installed with flap seat, the top of the transformer body and are located at
Low-tension bushing and three bushings there are four being fixedly mounted respectively between two flap seats, and three bushings are low positioned at four
The inside fixed installation at the rear of pressing sleeve pipe, the transformer body is cored, and the outer surface of the iron core is socketed with winding, institute
It states and is fixedly installed with iron yoke at the top of iron core, the transformer body is internally provided with transformer oil.
The winding includes the first low-voltage coil, and it is exhausted that the outer surface of first low-voltage coil is fixedly installed with the first interlayer
Edge layer, the outer surface of first interlayer insulating film are fixedly installed with the second low-voltage coil, the appearance of second low-voltage coil
Face is fixedly installed with the second interlayer insulating film, and the outer surface of second interlayer insulating film is fixedly installed with the first high-tension coil,
The outer surface of first high-tension coil is fixedly installed with third interlayer insulating film, and the outer surface of the third interlayer insulating film is solid
Dingan County is equipped with the second high-tension coil, and the outer surface of second high-tension coil is fixedly installed with wire-wrap paper cylinder.
As a further solution of the present invention: first low-voltage coil, the first interlayer insulating film and the second low pressure
Coil forms low pressure winding, and first high-tension coil, third interlayer insulating film and the second high-tension coil form high-voltage winding.
The iron core is made of high quality cold-reduced silicon sheet as a further solution of the present invention,.
The low pressure winding and high-voltage winding select high-quality oxygen-free copper-wire as a further solution of the present invention,
It is made of material.
The left side at the top of the transformer body is fixedly installed with oil level as a further solution of the present invention,
It counts, is provided with pressure relief valve at the top of the oil level indicator.
Compared with prior art, the utility model has the beneficial effects that
Originally practical to be made of iron core of high quality cold-reduced silicon sheet seven grades of stacks of progress, and use 45 degree of full mitereds
Seam, and the folded iron core without the continuous yoke structure of punching reduces loss so as to improve magnetic structure, in no-load transformer or
When low-load, no-load current and no-load loss are reduced, much electricity can be saved, advantageously ensures that no-load performance, and be lost very
It is low, while fastener thereon uses special locking processing, greatly increases the mechanical strength of iron core, passes through the first low-voltage line
Circle, the first interlayer insulating film and the second low-voltage coil form low pressure winding, the first high-tension coil, third interlayer insulating film and second
High-tension coil forms high-voltage winding, and low pressure winding and high-voltage winding select high-quality oxygen-free copper-wire to be made of material, and using more
Layer cylindrical structure, with high conductivity and thermal conductivity, good solderability, excellent plasticity and ductility, fabulous cold
Processing performance and nonmagnetic, greatly increases its performance, and using wire-wrap paper cylinder to carry out small oil gap exhausted for major insulation between winding
Edge, under same insulation distance, oil clearance segmentation is smaller, and electric strength is higher, is also improved Main Insulation Structure of Electric, after improvement
Insulation system be reasonable and reliable, to improve anti-short circuit capability, further improve its performance, while corrugated tank
It is welded on transformer body, greatly increases the leakproofness of corrugated tank, so that transformer oil is not contacted with air,
To extend service life, cost is reduced, improves economic effect, and energy-saving effect is significant.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of energy-saving oil immersed transformer.
Fig. 2 is the cross-sectional view of transformer body in energy-saving oil immersed transformer.
Fig. 3 is the top view of winding in energy-saving oil immersed transformer.
In figure: transformer body 1, corrugated tank 2, pedestal 3, oil level indicator 4, bushing 5, low-tension bushing 6, flap seat 7, inscription
Board 8, transformer oil 9, iron yoke 10, winding 11, iron core 12, the first low-voltage coil 13, the first interlayer insulating film 14, the second low-voltage line
Enclose the 15, second interlayer insulating film 16, the first high-tension coil 17, third interlayer insulating film 18, the second high-tension coil 19, wire-wrap paper
Cylinder 20.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1~3, in the utility model embodiment, a kind of energy-saving oil immersed transformer, including transformer body
1, the two sides of 1 bottom of transformer body are fixedly installed with pedestal 3, and the four sides of transformer body 1 is fixedly installed with ripple oil
Case 2, the front of corrugated tank 2 are fixedly installed with nameplate 8, and the two sides at 1 top of transformer body are fixedly installed with flap seat 7, become
The top of depressor ontology 1 and being located between two flap seats 7 is fixedly mounted respectively there are four low-tension bushing 6 and three bushings 5,
And three bushings 5 are located at the rear of four low-tension bushings 6, the inside of transformer body 1 is fixedly mounted cored 12, iron core
12 outer surface is socketed with winding 11, and the top of iron core 12 is fixedly installed with iron yoke 10, and transformer body 1 is internally provided with change
Depressor oil 9.
Winding 11 includes the first low-voltage coil 13, and the outer surface of the first low-voltage coil 13 is fixedly installed with the first layer insulation
Layer 14, the outer surface of the first interlayer insulating film 14 is fixedly installed with the second low-voltage coil 15, the outer surface of the second low-voltage coil 15
It is fixedly installed with the second interlayer insulating film 16, the outer surface of the second interlayer insulating film 16 is fixedly installed with the first high-tension coil 17,
The outer surface of first high-tension coil 17 is fixedly installed with third interlayer insulating film 18, and the outer surface of third interlayer insulating film 18 is fixed
Second high-tension coil 19 is installed, the outer surface of the second high-tension coil 19 is fixedly installed with wire-wrap paper cylinder 20, the first low-voltage line
It encloses the 13, first interlayer insulating film 14 and the second low-voltage coil 15 forms low pressure winding, the first high-tension coil 17, third layer insulation
Layer 18 and the second high-tension coil 19 form high-voltage winding, and iron core 12 is made of high quality cold-reduced silicon sheet, and use 45 degree
Full bias seam and seven grades of stacks, iron core 12 is using the folded iron core of the continuous yoke structure of no punching, and all fasteners are equal on iron core 12
Using special locking processing, low pressure winding and high-voltage winding select high-quality oxygen-free copper-wire to be made of material, and using multilayer circle
Core structure, the left side at 1 top of transformer body are fixedly installed with oil level indicator 4, and the top of oil level indicator 4 is provided with pressure release
Valve.
The working principle of the utility model is:
It is made in use, carrying out seven grades of stacks by high quality cold-reduced silicon sheet by iron core 12, and complete using 45 degree
Mitre, and the folded iron core without the continuous yoke structure of punching reduces loss, in no-load transformer so as to improve magnetic structure
Or when low-load, no-load current and no-load loss are reduced, much electricity can be saved, advantageously ensures that no-load performance, and damage
Consumption is very low, while fastener thereon uses special locking processing, greatly increases the mechanical strength of iron core 12, passes through first
Low-voltage coil 13, the first interlayer insulating film 14 and the second low-voltage coil 15 form low pressure winding, the first high-tension coil 17, third layer
Between insulating layer 18 and the second high-tension coil 19 form high-voltage winding, low pressure winding and high-voltage winding select the high-quality oxygen-free copper-wire to be
Material is made, and uses multi-layer cylindrical structure, with high conductivity and thermal conductivity, good solderability, excellent plasticity
With ductility, fabulous cold-forming property and nonmagnetic, its performance is greatly increased, and major insulation is thin using insulating between winding
Paper tube 20 carries out small oil gap insulation, and under same insulation distance, oil clearance segmentation is smaller, and electric strength is higher, to Main Insulation Structure of Electric
Also improved, improved insulation system be it is reasonable and reliable, to improve anti-short circuit capability, further improve
Its performance, while corrugated tank 2 is welded on transformer body 1, greatly increases the leakproofness of corrugated tank 2, to become
Depressor oil 9 is not contacted with air, to extend service life, reduces cost, improves economic effect, and energy-saving effect
Significantly.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of energy-saving oil immersed transformer, including transformer body (1), which is characterized in that transformer body (1) bottom
The two sides in portion are fixedly installed with pedestal (3), and the four sides of the transformer body (1) is fixedly installed with corrugated tank (2), institute
The front for stating corrugated tank (2) is fixedly installed with nameplate (8), and the two sides at the top of the transformer body (1) are fixedly installed with
Flap seat (7), the top of the transformer body (1) and being located between two flap seats (7) are fixedly mounted that there are four low pressure sets respectively
(6) and three bushings (5) are managed, and three bushings (5) are located at the rear of four low-tension bushings (6), the transformer
Cored (12) are fixedly mounted in the inside of ontology (1), and the outer surface of the iron core (12) is socketed with winding (11), the iron core
(12) it is fixedly installed at the top of iron yoke (10), the transformer body (1) is internally provided with transformer oil (9)；
The winding (11) includes the first low-voltage coil (13), and the outer surface of first low-voltage coil (13) is fixedly installed with the
The outer surface of interbedded insulating layer (14), first interlayer insulating film (14) is fixedly installed with the second low-voltage coil (15), institute
The outer surface for stating the second low-voltage coil (15) is fixedly installed with the second interlayer insulating film (16), second interlayer insulating film (16)
Outer surface be fixedly installed with the first high-tension coil (17), the outer surface of first high-tension coil (17) is fixedly installed with third
The outer surface of interlayer insulating film (18), the third interlayer insulating film (18) is fixedly installed with the second high-tension coil (19), described
The outer surface of second high-tension coil (19) is fixedly installed with wire-wrap paper cylinder (20).
2. energy-saving oil immersed transformer according to claim 1, which is characterized in that first low-voltage coil (13),
First interlayer insulating film (14) and the second low-voltage coil (15) form low pressure winding, first high-tension coil (17), third layer
Between insulating layer (18) and the second high-tension coil (19) form high-voltage winding.
3. energy-saving oil immersed transformer according to claim 1, which is characterized in that the iron core (12) is cold by high quality
Silicon steel sheet is rolled to be made.
4. energy-saving oil immersed transformer according to claim 2, which is characterized in that the low pressure winding and high-voltage winding
High-quality oxygen-free copper-wire is selected to be made of material.
5. energy-saving oil immersed transformer according to claim 1, which is characterized in that at the top of the transformer body (1)
Left side be fixedly installed with oil level indicator (4), be provided with pressure relief valve at the top of the oil level indicator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080598.6U CN209087521U (en) | 2018-12-12 | 2018-12-12 | A kind of energy-saving oil immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822080598.6U CN209087521U (en) | 2018-12-12 | 2018-12-12 | A kind of energy-saving oil immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087521U true CN209087521U (en) | 2019-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822080598.6U Active CN209087521U (en) | 2018-12-12 | 2018-12-12 | A kind of energy-saving oil immersed transformer |
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| Country | Link |
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| CN (1) | CN209087521U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643884A (en) * | 2021-08-05 | 2021-11-12 | 青州市长城电力变压器股份有限公司 | Oil-immersed energy-saving transformer special for three-phase oil field |
-
2018
- 2018-12-12 CN CN201822080598.6U patent/CN209087521U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113643884A (en) * | 2021-08-05 | 2021-11-12 | 青州市长城电力变压器股份有限公司 | Oil-immersed energy-saving transformer special for three-phase oil field |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230526 Address after: No. 155, fu MA, Mazhong village, an Dong Town, Hangzhou Bay New Area, Ningbo 315000, Zhejiang Province Patentee after: Zhejiang Rendong Electrical Technology Co.,Ltd. Address before: No.155 Fuma, Mazhong village, Andong Town, Hangzhou Bay New District, Ningbo City, Zhejiang Province Patentee before: NINGBO RENDONG ELECTRIC Co.,Ltd. |