CN107424778A - A kind of intermediate transformer and the dry electromagnetic device using the intermediate transformer - Google Patents
A kind of intermediate transformer and the dry electromagnetic device using the intermediate transformer Download PDFInfo
- Publication number
- CN107424778A CN107424778A CN201710717434.7A CN201710717434A CN107424778A CN 107424778 A CN107424778 A CN 107424778A CN 201710717434 A CN201710717434 A CN 201710717434A CN 107424778 A CN107424778 A CN 107424778A
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- CN
- China
- Prior art keywords
- intermediate transformer
- unshakable
- determination
- main winding
- winding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- H01F27/24—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
- H01F27/02—Casings
-
- 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
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
-
- 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding layers
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
The present invention relates to calutron field, more particularly to a kind of intermediate transformer and the dry electromagnetic device using the intermediate transformer, intermediate transformer of the present invention includes iron core, iron core turns to two stairstepping semicolumns iron cores using the different silicon strip of a plurality of width, " day " font is synthesized by the two stairstepping semicolumns are unshakable in one's determination, again with the seamless entirety of strip silicon steel sheet coiling, such structure is without punching, after insulation processing, permeability is greatly improved, the length of magnetic path is short, leakage reactance is small, leakage field is few, precision can reach more than 0.2 grade, it is not easy saturation, saturation can reach more than 3 times again, and no-load current is smaller than 150MA, iron loss is in below 10W；Relatively conventional core construction can save 20% silicon steel sheet and steel.In addition, a unshakable in one's determination, main winding and secondary winding are closed in the housing made of insulating materials, the insulating properties of intermediate transformer are so effectively raised.
Description
Technical field
The present invention relates to calutron field, more particularly to a kind of intermediate transformer and the dry type using the intermediate transformer
Calutron.
Background technology
Existing calutron is oil immersed type product, therefore intermediate transformer is using oil as dielectric.Traditional calutron
Intermediate transformer, its core construction are formed by the silicon steel sheet punching sheared, closed assembly, and such core volume is big and loss material
It is more, in process the effect of the material resources such as complex process, shearing, punching press, punching, fastened by screw be silicon steel sheet inner material by
Destroy, thus leakage field, permeability declines, and vortex increase, unloaded iron loss is high, easily heating, the deficiencies of noise is big and defect, Er Qieying
Ring the technical indicators such as precision.
The content of the invention
It is an object of the invention to provide a kind of intermediate transformer, its core construction is without punching, saving material and improves essence
Degree, and the dry electromagnetic device using the intermediate transformer.
The present invention is to achieve these goals, there is provided a kind of intermediate transformer, including unshakable in one's determination and wound core coil, this
Intermediate transformer also includes the housing made of insulating materials, and housing is provided with accommodating cavity, and in accommodating cavity, iron core includes iron core
The strip silicon steel sheet silicon strip different with a plurality of width, each silicon strip turn to two stairstepping semicolumns iron cores, strip silicon steel
Piece the two stairstepping semicolumn iron cores around being made as " day " font, on the newel of iron core successively main winding of coiling and
Secondary winding, a unshakable in one's determination, main winding and secondary winding difference insulation shielding.
Wherein, newel both sides unshakable in one's determination are respectively equipped with a leading-out terminal, the two leading-out terminals connect respectively once lead around
Group and secondary winding.
Wherein, a main winding is provided with insulating barrier using coiling is layered between adjacent two layers.
Wherein, insulating barrier includes the insulating paper of several stackings.
Wherein, housing is provided with damper box, and the first outlet column of main winding of connection is provided with damper box.
Wherein, the top of damper box is provided with cover plate.
Wherein, in addition to connector, connector connect a main winding.
Wherein, in addition to the equal casting die that is located between connector and a main winding.
Wherein, the bottom of housing is provided with fixture.The present invention also provides a kind of novel dry calutron, including middle anaplasia
Depressor, the intermediate transformer are above-mentioned intermediate transformer.
The present invention also provides a kind of novel dry calutron, including intermediate transformer, and the intermediate transformer is above-mentioned
Intermediate transformer.
Beneficial effects of the present invention are：Intermediate transformer of the present invention includes iron core, and iron core is using the different silicon of a plurality of width
Steel band turns to two stairstepping semicolumns iron cores, synthesizes " day " font by the two stairstepping semicolumns are unshakable in one's determination, then use strip
The entirety that silicon steel sheet coiling is seamless, such structure after heat treatment, have greatly improved permeability, magnetic circuit length without punching
Spend that short, leakage reactance is small, leakage field is few, precision can reach more than 0.2 grade, is not easy saturation, saturation can reach more than 3 times again, Er Qiekong
Carry electric current and be smaller than 150MA, iron loss is in below 10W；Relatively conventional core construction can save 20% silicon steel sheet and steel.Separately
Outside, a unshakable in one's determination, main winding and secondary winding are closed in the housing made of insulating materials, in so effectively raising
Between transformer insulating properties.
Brief description of the drawings
Using accompanying drawing, the invention will be further described, but the embodiment in accompanying drawing does not form any limit to the present invention
System, for one of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to the following drawings
Other accompanying drawings.
Fig. 1 is the structural representation of intermediate transformer.
Fig. 2 is structural representation unshakable in one's determination.
Fig. 3 is the interlayer structure schematic diagram of a main winding.
Include in Fig. 1 to Fig. 3：1 --- it is unshakable in one's determination, 2 --- secondary winding, 3 --- a skeleton, 4 --- Primary regulation
Winding, 5 --- a main winding, 6 --- high-voltage connection, 7 --- connector, 8 --- equal casting die, 9 --- fixture, 10 ---
Damper box, 11 --- the first outlet column, 12 --- cover plate, 13 --- boss, 14 --- secondary lead wires end, 15 --- housing,
16 --- a coiling, 17 --- insulating paper, 18 --- strip silicon steel sheet, 19 --- silicon strip.
Embodiment
The invention will be further described with the following Examples.
As shown in figure 1, a kind of intermediate transformer of the present invention, including housing 15 made of insulating materials, housing 15 are provided with
Accommodating cavity, accommodating cavity are provided with the coil of iron core 1 and wound core 1, as shown in Fig. 2 iron core 1 is using the different silicon steel of a plurality of width
Band 19 turns to two stairstepping semicolumns iron cores, synthesizes " day " font by the two stairstepping semicolumns are unshakable in one's determination, then use strip
The entirety that the coiling of silicon steel sheet 18 is seamless, such structure especially after heat treatment, have greatly improved magnetic conduction without punching
Rate, the length of magnetic path are short, leakage reactance is small, leakage field is few, precision can reach more than 0.2 grade, be not easy saturation, saturation can reach again 3 times with
On, and no-load current is smaller than 150MA, and iron loss is in below 10W；Relative to traditional structure of iron core 1,20% silicon can be saved
Steel disc and steel.Main winding 5 of coiling and secondary winding 2 successively on the newel of iron core 1,1, main winding 5 unshakable in one's determination
Housing 15 made of insulating materials are closed in secondary winding 2, so effectively raise the insulation of intermediate transformer
Performance.
Preferably, the newel both sides of iron core 1 are respectively equipped with a leading-out terminal, and the two leading-out terminals connect respectively once to be led
Winding 5 and secondary winding 2, the leading-out terminal for so avoiding a main winding and secondary winding 2 interlock, it is ensured that insulation.Once
Regulation winding 4 is wound on a skeleton 3 with as a main winding 5.
As shown in figure 3, a coiling 16 of a main winding 5 is provided with insulating barrier using coiling is layered between adjacent two layers,
Insulating barrier includes the insulating paper 17 of several stackings, increases the number of plies, reduces the voltage strength of interlayer, be effectively improved insulation
Performance.
Preferably, the left side of housing 15 is provided with damper box 10, and first that main winding 5 of connection is provided with damper box 10 goes out
Terminal 11, increase creep age distance, reinforced insulation intensity.The top of damper box 10 is provided with cover plate 12, prevents damper box 10 from revealing
The phenomenon of water condensation.
As shown in figure 1, the right side of housing 15 horizontally outward extends formed with boss 13, the secondary lead wires end of secondary winding 2
14 are arranged on boss 13, increase creep age distance.
Preferably, the top of housing 15 is provided with connector 7, and the one end of connector 7 connects a main winding 5, and the other end passes through
The medium-tension bushing of high-voltage connection 6 and capacitive divider is conductively connected encapsulation, to realize that high-voltage terminal is totally-enclosed, all insulation, safely
Reliably.
Preferably, equal casting die 8 is provided between connector 7 and a main winding 5, so that voltage field strength is uniform, drop
Low discharge level, shelf depreciation are less than 10PC.
Preferably, the bottom of housing 15 is provided with fixture 9, and fixture 9 has two, is respectively embedded into the bottom of housing 15, this
Two fixtures 9 are used for the casing intermediate transformer fixation dry electromagnetic device.
The present invention also provides a kind of novel dry calutron, including intermediate transformer, and the intermediate transformer is above-mentioned
Intermediate transformer.The insulating properties of intermediate transformer can be effectively raised using the dry electromagnetic device of this structure, and
Save consumptive material.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected
The limitation of scope is protected, although being explained with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Work as understanding, technical scheme can be modified or equivalent substitution, without departing from the reality of technical solution of the present invention
Matter and scope.
Claims (10)
1. a kind of intermediate transformer, including unshakable in one's determination and wound core coil, it is characterised in that also include being made up of insulating materials
Housing (15), housing (15) is provided with accommodating cavity, and (1) unshakable in one's determination be located in accommodating cavity, (1) unshakable in one's determination including strip silicon steel sheet (18) and
The different silicon strip of a plurality of width (19), each silicon strip (19) turn to two stairstepping semicolumns iron cores, strip silicon steel sheet
(18) the two stairstepping semicolumn iron cores around " day " font is made as, coiling is once led successively on the newel of (1) unshakable in one's determination
Winding (5) and secondary winding (2), (1) unshakable in one's determination, a main winding (5) and secondary winding (2) difference insulation shielding.
2. intermediate transformer according to claim 1, it is characterised in that the newel both sides of (1) unshakable in one's determination are respectively equipped with one
Individual leading-out terminal, the two leading-out terminals connect a main winding (5) and secondary winding (2) respectively.
3. intermediate transformer according to claim 1 a, it is characterised in that main winding (5) is adjacent using layering coiling
Insulating barrier is provided between two layers.
4. intermediate transformer according to claim 3, it is characterised in that insulating barrier includes the insulating paper of several stackings
(17)。
5. intermediate transformer according to claim 1, it is characterised in that housing (15) is provided with damper box (10), damper box
(10) the first outlet column of main winding (5) of connection is provided with.
6. intermediate transformer according to claim 5, it is characterised in that the top of damper box (10) is provided with cover plate (12).
7. the intermediate transformer of novel dry calutron according to claim 1, it is characterised in that also including connector
(7), connector (7) connects a main winding (5).
8. intermediate transformer according to claim 7, it is characterised in that also include be located at connector (7) with once lead around
Equal casting die (8) between group (5).
9. novel dry intermediate transformer according to claim 1, it is characterised in that the bottom of housing (15) is provided with fixture
(9)。
10. a kind of novel dry calutron, including intermediate transformer, it is characterised in that the intermediate transformer is power 1 to power 9
Intermediate transformer described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717434.7A CN107424778A (en) | 2017-08-21 | 2017-08-21 | A kind of intermediate transformer and the dry electromagnetic device using the intermediate transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710717434.7A CN107424778A (en) | 2017-08-21 | 2017-08-21 | A kind of intermediate transformer and the dry electromagnetic device using the intermediate transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107424778A true CN107424778A (en) | 2017-12-01 |
Family
ID=60434194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710717434.7A Pending CN107424778A (en) | 2017-08-21 | 2017-08-21 | A kind of intermediate transformer and the dry electromagnetic device using the intermediate transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107424778A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151156A (en) * | 2013-03-27 | 2013-06-12 | 湖南大北互互感器有限公司 | Indoor single phase grounded voltage transformer with high precision and adjustable transformation ratio |
| CN106128721A (en) * | 2016-08-15 | 2016-11-16 | 湖南华雄新材料有限公司 | A kind of CVT electromagnetic unit intermediate transformer |
-
2017
- 2017-08-21 CN CN201710717434.7A patent/CN107424778A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103151156A (en) * | 2013-03-27 | 2013-06-12 | 湖南大北互互感器有限公司 | Indoor single phase grounded voltage transformer with high precision and adjustable transformation ratio |
| CN106128721A (en) * | 2016-08-15 | 2016-11-16 | 湖南华雄新材料有限公司 | A kind of CVT electromagnetic unit intermediate transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171201 |
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| RJ01 | Rejection of invention patent application after publication |