CN107293392A - A kind of folding stereo open core resin casting dry-type transformer - Google Patents
A kind of folding stereo open core resin casting dry-type transformer Download PDFInfo
- Publication number
- CN107293392A CN107293392A CN201710681798.4A CN201710681798A CN107293392A CN 107293392 A CN107293392 A CN 107293392A CN 201710681798 A CN201710681798 A CN 201710681798A CN 107293392 A CN107293392 A CN 107293392A
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- coil
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- open core
- collapsible
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- 238000010125 resin casting Methods 0.000 title claims abstract description 16
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims description 15
- 239000011347 resin Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 11
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 3
- 229910000976 Electrical steel Inorganic materials 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 7
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000002019 anti-mutation Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
- H01F27/24—Magnetic cores
-
- 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
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
-
- 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
-
- 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
- H01F27/303—Clamping coils, windings or parts thereof together
-
- 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
- H01F27/33—Arrangements for noise damping
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of folding stereo open core resin casting dry-type transformer, including collapsible open core, resin-cast high and low pressure coil, folder part etc., wherein collapsible open core is with central angle 120 by three independences and size structure all same section in the collapsible single frame open core of isosceles trapezoid0The assembled three-dimensional open core of angle, it is assembled after the section of collapsible iron core column be in approximate equilateral hexagon.Coil is made up of the low-voltage coil of resin-cast and the high-tension coil of resin-cast, and the outer sheath of stem is equipped with low-voltage coil, and low-voltage coil outer sheath is equipped with high-tension coil, and there is stay centre, and low-voltage coil and high-tension coil are regular hexagon core structure.Cooling blower is fixedly installed respectively on the outside of pedestal.Because collapsible open core section uses approximate equilateral hexagon structure, high-voltage coil and low-voltage coil uses hexagon core structure, collapsible unshakable in one's determination and coil forms perfect combination, fill factor unshakable in one's determination is improved, the purpose for producing the silicon steel band that a kind of transformer of capacity only needs to a kind of width is fundamentally solved.
Description
Technical field
The invention belongs to the technical field of power equipment, specifically refer to a kind of folding stereo open core resin-cast and do
Formula transformer.
Background technology
Cast Resin Dry-Type Transformer is one kind in transformer species, is examined using quality material and advanced production
Measurement equipment is formed by strict technique productions.Cooled down by cross-ventilation, be a kind of electrical strength, mechanical strength, heat-resisting
Intensity very high dry-type transformer.It is the quality product of urban network reconstruction, service life long the characteristics of high with reliability.
It is anti-that product is widely used in skyscraper, commercial center, residential quarters, hospital, chemical plant, nuclear power station, ship and other requirements
Fiery, explosion-proof, moistureproof distribution network and industrial and mining enterprises' power supply-distribution system etc. be important or particular surroundings place.As country strives vigorously to advocate greatly
Lead under the dynamics using energy-saving power product, good energy saving property, technique are simple, cost is low, dry-type transformer can more fit
Answer the development of following power network.
But, existing resin casting dry-type transformer exist it is anti-mutation short-circuit capacity it is weak, need to lay in a large amount of silicon in production
The problem of steel bar material stock.How existing resin casting dry-type transformer is improved in structure, reduces business inventory
Amount, reduction production cost, improve its anti-mutation short-circuit capacity, and lifting production capacity turns into people's urgent problem to be solved.
The content of the invention
The purpose of the present invention is:A kind of folding stereo open core resin casting dry-type transformer is provided, production is realized
A kind of transformer of capacity only needs a kind of purpose of width silicon steel band, and while ensure that fill factor unshakable in one's determination.Make
Transformer manufacture craft is simple, convenient for production, cost is low, coil can be set with, can repair, noise is small, with open circuit loss is low, section
The features such as energy environmental protection and good anti-short circuit capability.
To solve the above problems, the technical scheme that the present invention is provided is:A kind of folding stereo open core resin-cast
Dry-type transformer, including three shape identical single frame collapsible formulas are unshakable in one's determination, and the upper end of the collapsible open core of single frame is upper
Iron yoke, lower end is lower yoke, and the center section of iron yoke is stem up and down, by three single frame collapsible formula iron cores with central angle
1200Angle splicing after the section of stem that is formed be in approximate equilateral hexagon, the collapsible open core is provided with opening
Area, opening zone position be respectively arranged at the two ends of collapsible upper yoke unshakable in one's determination, on the inclined-plane of both sides bending, the upper end of both sides stem,
The outer sheath of stem is equipped with low pressure resin molded coil, and low pressure resin molded coil outer sheath is equipped with high-pressure resin molded coil,
The low pressure resin molded coil and high-pressure resin molded coil are in hexagon core structure.Three single frame open cores are placed
On the pedestal that lower clamping piece is welded, upper clamping piece and lower clamping piece are connected by clamping screw, and upper cushion block and lower cushion block are supported and pressed
Tight high-voltage coil and low-voltage coil, the lower platen is fixedly connected by support bar with the pedestal being fixed on lower clamping piece, upper and lower pressing plate and
Clamping screw coordinates, and top board is located at the space on top unshakable in one's determination, and lower platen is located in lower space unshakable in one's determination, the iron of upper end unshakable in one's determination
Yoke is arranged between the side of top board one and a folder side of upper clamping piece, and the iron yoke of lower end unshakable in one's determination is arranged on lower platen and lower clamping piece
Between pedestal on, the high-tension coil and low-voltage coil are sleeved on collapsible iron core column, upper and lower folder high tension lead
The two ends of cushion block and lower cushion block on circle and low-voltage coil, in addition to one, high-tension coil and low-voltage coil are respectively arranged with cushion block
And lower cushion block;Lower clamping piece and lower platen support lower cushion block, upper clamping piece and top board compress upper cushion block.Lower clamping piece bottom is fixedly connected
In on channel-section steel, cooling blower is fixedly installed respectively on the outside of pedestal.
It is preferred that, the collapsible dual openings iron core column section is approximate equilateral hexagon.
Further preferably, the low pressure resin molded coil is epoxy resin casting coil, is hexagon core structure.
Further preferably, the high-pressure resin molded coil is epoxy resin casting coil, is hexagon core structure.
Further preferably, the low pressure resin molded coil is epoxy resin casting coil, is circular core structure.
Further preferably, the high-pressure resin molded coil is epoxy resin casting coil, is circular core structure.
Beneficial effects of the present invention are.
1st, because collapsible open core section uses approximate equilateral hexagon structure, realize with a kind of width silicon strip
Material just can produce a kind of effect of the transformer of capacity specifications.
2nd, use existing circular high and low pressure coil instead hexagon core structure, be allowed to unshakable in one's determination with equilateral hexagon structure
Perfect fusion, improves fill factor unshakable in one's determination, improves the performance level of integrated transformers.
3rd, because core section uses approximate equilateral hexagon structure, the utilization rate of silicon steel material is 100%.
4th, folding stereo dual openings dry-type transformer unshakable in one's determination is used single frame is unshakable in one's determination by opening at existing unshakable in one's determination one
Opening at three is increased to, and increased opening portion is outside coil, hence it is evident that it is visible, the inserting of iron core is facilitated, is improved
Inserting efficiency unshakable in one's determination, reduces the iron core after artificial production cost, increase opening by the way that aperture position is disperseed, cuts vibrations
Subtract, noise is made moderate progress, further increase the anti-sudden short circuit ability of iron core.
5th, the aperture position of 3 open regions unshakable in one's determination is respectively positioned on the cylindrical space upwardly extended along transformer iron core column
It is interior, it is convenient to the suit of coil so that coil will not be by during being sleeved on from top to bottom on the outside of transformer iron core column
Block.
6th, due to a kind of transformer of capacity specifications just can be produced with a kind of width silicon steel band, so as to simplify production work
Skill, reduces the deposit of raw material, reduces production cost, is adapted to enterprise's mass production.
Brief description of the drawings
Fig. 1 is dimensional structure diagram of the invention.
Fig. 2 is the dimensional structure diagram of folder of the present invention.
Fig. 3 is present invention three-dimensional view unshakable in one's determination.
Fig. 4 is core section view of the present invention.
Fig. 5 is the present invention 1350Bending angle bar heart plan view.
Fig. 6 is the present invention 1500Bending angle bar heart plan view.
Fig. 7 is that low-voltage coil of the present invention is hexagon three-dimensional view.
Fig. 8 is that high-tension coil of the present invention is hexagon three-dimensional view.
Fig. 9 is that low-voltage coil of the present invention is circular three-dimensional view.
Figure 10 is that high-tension coil of the present invention is circular three-dimensional view.
Embodiment
The specific implementation to the present invention is further explained below in conjunction with the accompanying drawings, but does not limit to the present invention.
As shown in Figure 1, there is shown, a kind of folding stereo open core resin casting dry-type transformer, including coil, folder and folding
Stacked open core, as shown in Figure 1 and Figure 2, each phase coil are made up of high-tension coil 2 and low-voltage coil 3.The high-voltage line
Circle 2 and low-voltage coil 3 are sleeved on collapsible iron core column, folder from top to bottom 4,5 high tension lead circles 2 and low-voltage coil 3, high pressure
Coil 2 is respectively arranged with upper cushion block 9 lower end lower cushion block 10 corresponding with high and low pressure coil, lower clamping piece with the two ends of low-voltage coil 3
5 and the support lower cushion block 10 of lower platen 62, upper clamping piece 4 and top board 61 compress upper cushion block 9.Three wiring of the high-tension coil 2
Four binding posts 31,32,33,34 of terminal 21,22,23 and low-voltage coil 3 arrange the opposite side that is located at transformer respectively
On the mounting bracket 11 of upper clamping piece 4, as shown in Fig. 2 the folder includes upper clamping piece 4, lower clamping piece 5, top board 61, the and of lower platen 62
Clamping screw 7, lower platen 62 is fixedly connected by support bar with the pedestal 63 being fixed on lower clamping piece 5, upper and lower pressing plate 61,62
Clamping screw 7 coordinates, and 51 be the position for supporting lower cushion block 10, and 41 be the position for compressing upper cushion block, the iron yoke and pedestal 63 it
Between be provided with damping device, the damping device is an elastic insulated pad.As shown in figure 3, described collapsible unshakable in one's determination 1 is included by three
The individual collapsible single frame open core 8 of shape identical is assembled, and the upper end of single frame open core is upper yoke 82, and lower end is lower yoke
83, the center section of iron yoke is stem 81 up and down, and 81 sections of single frame iron core are in approximate antiparallelogram, by two adjacent single frames 81
It is in approximate equilateral hexagon to constitute the section of iron core column 84 after stem splicing, as shown in figure 4, the single frame open core stem 81
It is to combine stack by wide material strip 811 and broken line material strip 812 to form.As shown in figure 5, the open core area is respectively arranged at iron
The ends A of yoke, B, the upper end C of both sides stem on the both sides inclined-plane of bending in the heart, as shown in figure 5, the single-phase open core is
With eight 1350The square shape at bending angle is unshakable in one's determination or as shown in fig. 6,12 1500The square shape at bending angle is unshakable in one's determination.Such as Fig. 7,
Shown in Fig. 9, the resin-cast low-voltage coil 3 is using hexagon core structure or circular core structure.As shown in Fig. 8, Figure 10,
The resin-poured high-voltage coil 2 is using hexagon core structure or circular core structure.
Wherein, section can be realized in the stem of approximate equilateral hexagon by following method：Make every group of silicon steel sheet material strip
The section of the stem of single-phase open core after stack is in approximate isosceles trapezoid, wherein, the length of the upper bottom edge of isosceles trapezoid is
The half for edge lengths of going to the bottom, after three groups of single-phase open cores are assembled, the stem of the single-phase open core of two adjacent groups is sliceable
Into approximate equilateral hexagon.
" a kind of section six provided as the improvement of technical scheme, the patent No. 2015209861307 applied using me
The angle transformer open core of folding stereo three of side shape ", it is characterised in that：The collapsible open core section is using approximate
Equilateral hexagon structure, corresponding high and low pressure coil uses resin-cast hexagon core structure coil.Improve iron core
Fill factor, solves transformer core and longitudinal direction loosening, lateral rotation, shifting is produced in the presence of powerful electromagnetic field with coil
Position, deformation, the problems such as improving anti-sudden short circuit ability, meanwhile, the coil unshakable in one's determination and hexagonal of hexagon is more conveniently supportted
Real, clamping, is easy to fix, substantially increases the mechanical strength of transformer body, improve the folding stereo open core tree
The total quality of fat casting dry type transformer.
As the improvement of technical scheme, eight 135 are respectively arranged with every single-phase open core0Or 12 1500Folding
The square shape of bent angle is unshakable in one's determination.
As the improvement of technical scheme, 3 open regions, the opening position are respectively arranged with every single-phase open core
Put be respectively arranged at the two ends of upper yoke unshakable in one's determination, on the inclined-plane of both sides bending, the upper end of both sides stem.What the dry-type transformer was used
Single frame is unshakable in one's determination to increase to opening at three by opening at existing unshakable in one's determination one, and increased opening portion is outside coil, bright
It is aobvious visible, the inserting of iron core is facilitated, inserting efficiency unshakable in one's determination is improved, the iron core after artificial production cost, increase opening is reduced
By the way that aperture position is disperseed, vibrations are cut down, noise is made moderate progress, further increase the anti-sudden short circuit energy of iron core
Power, meanwhile, the aperture position of 3 open regions unshakable in one's determination is respectively positioned in the cylindrical space upwardly extended along transformer iron core column,
It is convenient to the suit of coil so that coil will not be by card during being sleeved on from top to bottom on the outside of transformer iron core column
Firmly.
The embodiment of the present invention is write according to progressive mode, highlights each embodiment
Difference, its similar portion can be with cross-reference.
Embodiments of the present invention are elaborated above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned implementation
Mode, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess
Various changes can be made.
Claims (5)
1. a kind of folding stereo open core resin casting dry-type transformer, including collapsible open core, resin-cast line
Circle, folder part etc., the collapsible open core, including by three independences and size structure all same section be in isosceles trapezoid
The collapsible open core of single frame with central angle 1200The assembled three-dimensional open core of angle, it is assembled after collapsible opening
The section of iron core column is in approximate equilateral hexagon, and opening zone position unshakable in one's determination is separately positioned on the two ends of upper yoke unshakable in one's determination, both sides
On the inclined-plane of bending, the upper end of both sides stem；The outer sheath of the stem is equipped with low pressure resin molded coil, and low pressure resin is poured
Note coil outer sheath and high-pressure resin molded coil is housed, the low pressure resin molded coil and high-pressure resin molded coil are in six
Angular core structure；The folder part includes upper clamping piece, and lower clamping piece, top board, lower platen and clamping screw, lower platen pass through
Support bar is fixedly connected with the pedestal being fixed on lower clamping piece, and upper and lower pressing plate coordinates with clamping screw, and top board is located on iron core
The space in portion, lower platen is located in lower space unshakable in one's determination；The iron yoke of upper end unshakable in one's determination is arranged on the side of top board one and upper clamping piece
A folder side between, the iron yoke of lower end unshakable in one's determination is arranged on the pedestal between lower platen and lower clamping piece, and upper and lower folder clamps high
The two ends of line ball circle and low-voltage coil, high-tension coil and low-voltage coil are respectively arranged with cushion block and lower cushion block, and lower clamping piece is with
Platen support lower cushion block, upper clamping piece and top board compress upper cushion block.
2. a kind of folding stereo open core resin casting dry-type transformer according to claim 1, it is characterised in that:
Described single-phase open core such as Fig. 5 is with eight 1350The square shape iron core at bending angle or such as Fig. 6 12 1500Bending angle
Square shape is unshakable in one's determination.
3. a kind of folding stereo open core resin casting dry-type transformer according to claim 1 to 2, its feature exists
In:The resin-cast low-voltage coil（3）In hexagon core structure or rounded core structure.
4. a kind of folding stereo open core resin casting dry-type transformer according to claim 1 to 2, its feature exists
In:The resin-poured high-voltage coil（2）In hexagon core structure or rounded core structure.
5. a kind of folding stereo open core resin casting dry-type transformer according to Claims 1-4, its feature exists
In:Collapsible open core provided with 3 open regions, opening zone position be respectively arranged at collapsible upper yoke unshakable in one's determination ends A,
The upper end C of B, both sides stem on the inclined-plane of both sides bending.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681798.4A CN107293392A (en) | 2017-08-10 | 2017-08-10 | A kind of folding stereo open core resin casting dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710681798.4A CN107293392A (en) | 2017-08-10 | 2017-08-10 | A kind of folding stereo open core resin casting dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107293392A true CN107293392A (en) | 2017-10-24 |
Family
ID=60104868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710681798.4A Pending CN107293392A (en) | 2017-08-10 | 2017-08-10 | A kind of folding stereo open core resin casting dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107293392A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201259817Y (en) * | 2009-01-20 | 2009-06-17 | 广东海鸿变压器有限公司 | Tridimensional rolling magnetic core resin insulation dry transformer |
| CN102306541A (en) * | 2011-05-27 | 2012-01-04 | 广东海鸿变压器有限公司 | Resin-moulded dry-type transformer with three-dimensional noncrystalline alloy roll iron core |
| CN103117155A (en) * | 2013-03-05 | 2013-05-22 | 薛建仁 | Three-dimensional rolling iron core dry type transformer for non-magnetic clamp piece |
| CN106783061A (en) * | 2015-11-19 | 2017-05-31 | 齐侠 | A kind of folding stereo delta transformer open coil iron core of section hexagon |
| WO2017129073A1 (en) * | 2016-01-29 | 2017-08-03 | 齐侠 | Dry-type transformer having foldable three-dimensional double-opening iron core |
| CN207441428U (en) * | 2017-08-10 | 2018-06-01 | 齐会南 | A kind of folding stereo open core resin casting dry-type transformer |
-
2017
- 2017-08-10 CN CN201710681798.4A patent/CN107293392A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201259817Y (en) * | 2009-01-20 | 2009-06-17 | 广东海鸿变压器有限公司 | Tridimensional rolling magnetic core resin insulation dry transformer |
| CN102306541A (en) * | 2011-05-27 | 2012-01-04 | 广东海鸿变压器有限公司 | Resin-moulded dry-type transformer with three-dimensional noncrystalline alloy roll iron core |
| CN103117155A (en) * | 2013-03-05 | 2013-05-22 | 薛建仁 | Three-dimensional rolling iron core dry type transformer for non-magnetic clamp piece |
| CN106783061A (en) * | 2015-11-19 | 2017-05-31 | 齐侠 | A kind of folding stereo delta transformer open coil iron core of section hexagon |
| WO2017129073A1 (en) * | 2016-01-29 | 2017-08-03 | 齐侠 | Dry-type transformer having foldable three-dimensional double-opening iron core |
| CN207441428U (en) * | 2017-08-10 | 2018-06-01 | 齐会南 | A kind of folding stereo open core resin casting dry-type transformer |
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| PB01 | Publication | ||
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Application publication date: 20171024 |