CN205789450U - opening three-dimensional wound core dry type transformer - Google Patents
opening three-dimensional wound core dry type transformer Download PDFInfo
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- CN205789450U CN205789450U CN201620618595.1U CN201620618595U CN205789450U CN 205789450 U CN205789450 U CN 205789450U CN 201620618595 U CN201620618595 U CN 201620618595U CN 205789450 U CN205789450 U CN 205789450U
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- Prior art keywords
- opening
- iron core
- dimensional
- low
- type transformer
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 66
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 229910052802 copper Inorganic materials 0.000 claims abstract description 13
- 239000010949 copper Substances 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 7
- 230000007704 transition Effects 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims description 3
- 239000011889 copper foil Substances 0.000 claims description 3
- 239000013078 crystal Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 239000000463 material Substances 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000005340 laminated glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000010125 resin casting Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Coils Of Transformers For General Uses (AREA)
Abstract
A kind of opening three-dimensional wound core dry type transformer, including opening three-dimensional rolled iron core, high-tension coil, low-voltage coil, folder and low pressure external lead-in wire copper bar, described high-tension coil and low-voltage coil are set on opening three-dimensional rolled iron core, and cooperation insulated from each other；Described folder arranges two pieces, and is fixed on the upper and lower side of opening three-dimensional rolled iron core by stretching screw；Described opening three-dimensional rolled iron core is triangular arranged by three iron cores, and upper and lower side unshakable in one's determination is respectively arranged with iron yoke, and iron core is coordinated assembling with the iron yoke open-close type of its upper end, and resetted by inserted sheet form.The feature of three-dimensional rolled iron core transformator of remaining silent is possessed in this utility model not only profile, and the advantage comprehensively inheriting rewinding material of remaining silent on electromagnetic performance, effectively overcome the problem that its manufacturing process is poor, manufacture difficulty is big, cost is high, meet the special fabrication processes of dry-type transformer, under conditions of not increase equipment, can realize producing in enormous quantities.
Description
Technical field
This utility model relates to a kind of dry-type transformer, becomes particularly to a kind of opening three dimensional wound core resin casting dry-type
Depressor.
Background technology
The substantially employing of domestic existing Wound iron-core transformer manufacturer remain silent three dimensional wound core and plane of the opening volume ferrum
Two kinds of structures of the heart, and it is mainly used in oil immersion-type distribution transformer, dry-type distribution transformer is due to its special manufacturing process very
Few employing.
The manufacturing process of three dimensional wound core of remaining silent there is problems in that
1. unshakable in one's determination must have special up-coiler, shaping difficulty after coiling, and capacity is more difficult to the most greatly；
2. coil must be with the coiling on core limb of special winding mould on special coil winding machine, and production efficiency is low, reliably
Property poor, high-power transformer manufacture particularly difficult；
3. cost of equipment is fairly expensive, poor universality, different capabilities section need differently configured specification up-coiler unshakable in one's determination and
Coil winder, also wants mould unshakable in one's determination and the coil die of differently configured specification；
4. the manufacturing process of Cast Resin Dry-Type Transformer is special, needs installation mold, must enter after coil winding
Row vacuum pouring, curing molding, with a large volume of iron core, from coil winding to vacuum pouring, whole manufacturing process
Process is the most considerably complicated, and mould and die accuracy requires height, and manufacturability is very poor；
After the most once producing into platform, coil cannot be extracted, and either manufacturing process still arrives user's link, does over again, overhauls all
Extremely difficult, it is unfavorable for safeguarding；
The most prominent is that production efficiency is low, and cost of labor is the highest, is not suitable for producing in enormous quantities.
Therefore three dimensional wound core structure of remaining silent only is adapted to oil-filled transformer, is not suitable for dry-type transformer, causes it
The scope of application is little.
Therefore, it is necessary to make further improvements.
Utility model content
The purpose of this utility model aims to provide a kind of connection and reasonable arrangement, volume is little, compact conformation, noise are low, open circuit loss
Low, magnetic circuit is excellent, low cost, processing technology are simple, be easily installed the opening three-dimensional wound core dry type transformer of maintenance, existing to overcome
There is the weak point in technology.
A kind of opening three-dimensional wound core dry type transformer designed by this purpose, including opening three-dimensional rolled iron core, height
Line ball circle, low-voltage coil, folder and low pressure external lead-in wire copper bar, it is characterised in that: described high-tension coil and low-voltage coil are respectively
It is sleeved on opening three-dimensional rolled iron core, and cooperation insulated from each other；Described folder arranges two pieces, and is fixed by stretching screw
Upper and lower side at opening three-dimensional rolled iron core；Described opening three-dimensional rolled iron core is equilateral triangle row by three iron cores
Row, upper and lower side unshakable in one's determination is respectively arranged with iron yoke, and iron core coordinates assembling with the iron yoke open-close type of its upper end, and multiple by inserted sheet form
Position.
Described core section is the most rounded；Described iron yoke cross section is the half of core section, the ferrum with its upper end unshakable in one's determination
Using multistage ladder stepping seam between yoke, flow direction is consistent with stalloy crystal grain orientation.
The corner of described iron core is straight transitions, and three apex corner cuts of opening three-dimensional rolled iron core are arranged.
Described high-tension coil is by copper conductor coiling, and low-voltage coil is by Copper Foil or copper wire winding, at the busbar of low-voltage coil
It is provided with platform；High and low pressure coil is set in outside iron core, and low-voltage coil is placed between high-tension coil and iron core.
Described high-tension coil and low-voltage coil are positioned by the folder of upper and lower side and are compressed.
Described folder is channel-section steel structure, and shape is corresponding with opening three-dimensional rolled iron core in equilateral triangle framework；Should
Folder is made up of long edge groove steel and minor face channel-section steel, and long edge groove steel arranges three and arranges in equilateral triangle, its three apex
Arranging minor face channel-section steel transition, the outlet row of low-voltage coil is drawn by minor face channel-section steel.
Being correspondingly arranged on arm-tie at described minor face channel-section steel, these arm-tie two ends connect folder from top to bottom respectively.
Described low pressure external lead-in wire copper bar is arranged on the folder of upper end, and a, b, c three-phase outlet terminal passes through low pressure external
Lead-in wire copper bar concentrates in together.
A, B, C three-phase outlet terminal is concentrated in together by high pressure connecting rod.
The feature of three-dimensional rolled iron core transformator of remaining silent is possessed in this utility model not only profile, and on electromagnetic performance
The advantage comprehensively inheriting rewinding material of remaining silent, effectively overcomes the problem that its manufacturing process is poor, manufacture difficulty is big, cost is high,
Meet the special fabrication processes of dry-type transformer, under conditions of not increase equipment, can realize producing in enormous quantities, be highly suitable for doing
Formula transformator.It has connection and reasonable arrangement, volume is little, compact conformation, noise are low, three-phase magnetic circuit balance, no-load current damage little, unloaded
Consume low, magnetic circuit is excellent, anti-short circuit capability is strong, low cost of manufacture, processing technology are simple, be easily installed the feature of maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one embodiment.
Fig. 2 is the top view of this utility model one embodiment.
Fig. 3 is the schematic diagram in D direction in Fig. 2.
Fig. 4 is the schematic diagram in E direction in Fig. 3.
Fig. 5 is the schematic diagram in F direction in Fig. 4.
Fig. 6 is the structural representation of this utility model one embodiment split shed three-dimensional rolled iron core.
Fig. 7 is the top view of this utility model one embodiment split shed three-dimensional rolled iron core.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is further described by embodiment.
Seeing Fig. 1-Fig. 7, this opening three-dimensional wound core dry type transformer, including opening three-dimensional rolled iron core 1, high-voltage line
Circle 2, low-voltage coil 3, folder 4, stretching screw 5, arm-tie 6, low pressure external lead-in wire copper bar 7 and high pressure connecting rod 8；
Described high-tension coil 2 and low-voltage coil 3 are set on opening three-dimensional rolled iron core 1, and insulated from each other join
Close；Described folder 4 arranges two pieces, and is fixed on the upper and lower side of opening three-dimensional rolled iron core 1 by stretching screw 5；Described open
Mouth three-dimensional rolled iron core 1 is by three sizes identical unshakable in one's determination 1.1 in triangular arranged, and 1.1 upper and lower sides unshakable in one's determination divide
Not being provided with iron yoke 1.2, unshakable in one's determination 1.1 coordinate assembling with iron yoke 1.2 open-close type of its upper end, make the iron yoke 1.2 of upper end to beat
Open, and resetted by inserted sheet form.
Furtherly, described 1.1 cross section approximations unshakable in one's determination are rounded, and activity coefficient is high；Described iron yoke 1.2 arranges six, cuts
Face is the half in 1.1 cross sections unshakable in one's determination, in semicircle, can save material about 10%, and its corner is fillet or knuckle setting, can
Saving material about 5%, 1.1 overall weight the most unshakable in one's determination alleviate 15～20%；Between unshakable in one's determination 1.1 and the iron yoke 1.2 of its upper end
Joint use multistage ladder stepping seam, decrease the open circuit loss of unshakable in one's determination 1.1, and effectively reduce noise, and seam position
Put adjustable；Having positioning function due to 1.1 unshakable in one's determination of fracture type during closed assembly, make closed assembly simply easy, production efficiency is high；Magnetic flux
Direction is consistent with stalloy crystal grain orientation.
Furtherly, the described corner of unshakable in one's determination 1.1 is straight transitions, it is simple to inserted sheet positioning action, opening 3 D stereo
Three apex corner cuts of rewinding material 1 are arranged, to coordinate the platform structure of low-voltage coil 3 outlet row.
Furtherly, described high-tension coil 2 is by copper conductor coiling, and low-voltage coil 3 is by Copper Foil or copper wire winding, low-voltage coil
It is provided with platform at the busbar of 3；High and low pressure coil is separately manufactured, and is set in outside unshakable in one's determination 1.1, and low-voltage coil 3 is put
Between high-tension coil 2 and unshakable in one's determination 1.1, it is essentially identical with the assembly technology of conventional laminated core transformator；High-tension coil 2
And having insulating cylinder to separate between low-voltage coil 3, the outlet busbar of low-voltage coil 3 is positioned at three apex.High and low pressure coil
Manufacture mould general with conventional products, cost-effective, reduce the input of tooling device.
Furtherly, described high-tension coil 2 and low-voltage coil 3 are positioned by the folder 4 of upper and lower side and are compressed；Stretching screw
5 centers being positioned at entirety, overcoat laminated glass cloth pipe, it is ensured that can uniformly compress in three-phase coil circumference range.
Furtherly, described folder 4 is channel-section steel structure, and shape is corresponding with opening three-dimensional rolled iron core 1 in equilateral three
Dihedral framework；This folder 4 is made up of long edge groove steel 4.1 and minor face channel-section steel 4.2, and good stability is unlikely to deform；Long edge groove steel 4.1
Arranging three and arrange in equilateral triangle, its three apex arrange minor face channel-section steel 4.2 transition, the outlet row of low-voltage coil 3
Drawn by minor face channel-section steel 4.2.
Furtherly, being correspondingly arranged on arm-tie 6 at described minor face channel-section steel 4.2, these arm-tie 6 two ends connect folder from top to bottom respectively
4, folder from top to bottom 4 can be played the role of positioning by arm-tie 6, also can improve the intensity that transformator is overall, strengthen its anti-short circuit capability.
Furtherly, described low pressure external lead-in wire copper bar 7 is arranged on the folder 4 of upper end, and a, b, c three-phase outlet terminal leads to
Cross low pressure outside lead copper bar 7 to concentrate in together, make high and low pressure side clearly demarcated, it is simple to housing accessory and user are installed and are using now
Field wiring.
Furtherly, A, B, C three-phase outlet terminal is concentrated in together by high pressure connecting rod 8, makes high and low pressure side clearly demarcated,
It is easily installed housing accessory and user and uses field connection.
Above-mentioned for preferred version of the present utility model, of the present utility model ultimate principle, principal character have been shown and described
With advantage of the present utility model.Those skilled in the art it should be recognized that this utility model is not restricted to the described embodiments, on
State and principle of the present utility model is simply described, without departing from this utility model spirit and scope described in embodiment and description
On the premise of this utility model also have various changes and modifications, it is new that these changes and improvements both fall within this claimed practicality
In the range of type.This utility model claims scope and is defined by appending claims and equivalent thereof.
Claims (9)
1. an opening three-dimensional wound core dry type transformer, including opening three-dimensional rolled iron core (1), high-tension coil (2), low pressure
Coil (3), folder (4) and low pressure external lead-in wire copper bar (7), it is characterised in that: described high-tension coil (2) and low-voltage coil (3)
It is set on opening three-dimensional rolled iron core (1), and cooperation insulated from each other；Described folder (4) arranges two pieces, and by drawing
Tight screw rod (5) is fixed on the upper and lower side of opening three-dimensional rolled iron core (1)；Described opening three-dimensional rolled iron core (1) is by three
Unshakable in one's determination (1.1), in triangular arranged, (1.1) upper and lower side unshakable in one's determination is respectively arranged with iron yoke (1.2), (1.1) unshakable in one's determination with on it
Iron yoke (1.2) open-close type of end coordinates assembling, and is resetted by inserted sheet form.
Opening three-dimensional wound core dry type transformer the most according to claim 1, its feature is in described iron core (1.1) cross section
The most rounded；Described iron yoke (1.2) cross section is the half in (1.1) cross section unshakable in one's determination, (1.1) unshakable in one's determination and the iron yoke of its upper end
(1.2) using multistage ladder stepping seam between, flow direction is consistent with stalloy crystal grain orientation.
Opening three-dimensional wound core dry type transformer the most according to claim 2, its feature turning in: described iron core (1.1)
Being straight transitions at angle, three apex corner cuts of opening three-dimensional rolled iron core (1) are arranged.
Opening three-dimensional wound core dry type transformer the most according to claim 3, it is characterised in that: described high-tension coil (2)
By copper conductor coiling, low-voltage coil (3), by Copper Foil or copper wire winding, is provided with platform at the busbar of low-voltage coil (3)；High,
Low-voltage coil is set in iron core (1.1) outside, and low-voltage coil (3) is placed between high-tension coil (2) and (1.1) unshakable in one's determination.
Opening three-dimensional wound core dry type transformer the most according to claim 4, it is characterised in that: described high-tension coil (2)
Position with low-voltage coil (3) by the folder (4) of upper and lower side and compress.
Opening three-dimensional wound core dry type transformer the most according to claim 5, it is characterised in that: described folder (4) is groove
Steel construction, shape is corresponding with opening three-dimensional rolled iron core (1) in equilateral triangle framework；This folder (4) is by long edge groove steel
(4.1) forming with minor face channel-section steel (4.2), long edge groove steel (4.1) arranges three and arranges in equilateral triangle, its three apex
Arranging minor face channel-section steel (4.2) transition, the outlet row of low-voltage coil (3) is drawn by minor face channel-section steel (4.2).
Opening three-dimensional wound core dry type transformer the most according to claim 6, it is characterised in that: described minor face channel-section steel
(4.2) place is correspondingly arranged on arm-tie (6), and this arm-tie (6) two ends connect folder from top to bottom (4) respectively.
8. according to the opening three-dimensional wound core dry type transformer described in any one of claim 1-7, it is characterised in that: described low pressure
Outside lead copper bar (7) is arranged on the folder (4) of upper end, and a, b, c three-phase outlet terminal is by low pressure external lead-in wire copper bar (7)
Concentrate in together.
Opening three-dimensional wound core dry type transformer the most according to claim 8, it is characterised in that: A, B, C three-phase leading-out terminal
Son is concentrated in together by high pressure connecting rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618595.1U CN205789450U (en) | 2016-06-20 | 2016-06-20 | opening three-dimensional wound core dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618595.1U CN205789450U (en) | 2016-06-20 | 2016-06-20 | opening three-dimensional wound core dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205789450U true CN205789450U (en) | 2016-12-07 |
Family
ID=58129501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618595.1U Expired - Fee Related CN205789450U (en) | 2016-06-20 | 2016-06-20 | opening three-dimensional wound core dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205789450U (en) |
-
2016
- 2016-06-20 CN CN201620618595.1U patent/CN205789450U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |