CN106205970A - A kind of distribution transformer - Google Patents
A kind of distribution transformer Download PDFInfo
- Publication number
- CN106205970A CN106205970A CN201610867574.8A CN201610867574A CN106205970A CN 106205970 A CN106205970 A CN 106205970A CN 201610867574 A CN201610867574 A CN 201610867574A CN 106205970 A CN106205970 A CN 106205970A
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- CN
- China
- Prior art keywords
- low
- core
- stem
- iron core
- distribution transformer
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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
-
- 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
- H01F27/266—Fastening or mounting the core on casing or 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
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention provides a kind of distribution transformer, including transformer body, described transformer body includes main iron core, high-tension coil, low-voltage coil and insulating element, wherein, main iron core is located at the center of transformator, low-voltage coil is located at the periphery of main iron core, and high-tension coil is located at the periphery of low-voltage coil；Main iron core is the amorphous alloy core of 3-D triangle structure, and main iron core includes 3 stem stems and 3 core frames, and each core frame is semicircular structure, and each stem stem is tangent with each core frame to be connected；The upper surface of each core frame is provided with upper yoke, and lower surface is provided with lower yoke；Each stem stem is wound with Structures of Multilayers Amorphous Alloys sheet, and the thickness of each amorphous alloy film is 0.02mm, and the rolling thickness interval value between adjacent amorphous alloy film is 0.5 1mm, and the non-crystaline amorphous metal on each stem stem winds in the same direction.The distribution transformer compact conformation that the present invention provides, energy-conserving and environment-protective, overload capacity is strong, and noise is low.
Description
Technical field
The present invention relates to a kind of technical field of transformer manufacturing, particularly relate to a kind of distribution transformer.
Background technology
Amorphous alloy strips is widely used in every field with its superior electromagnetic performance, and maximum of which application is electricity
Power field, is mainly used in making amorphous distribution transformer iron core.The amorphous distribution transformer of iron core is made of amorphous alloy strips,
Its open circuit loss is only about the 75% of common silicon steel transformator, has good energy-saving effect, uses amorphous iron core system simultaneously
The amorphous distribution transformer become also has huge environmental benefit, few to airborne release CO2, SO2, reduces nuke rubbish, to country
The energy-saving and emission-reduction of electrical network, construction " green network " important in inhibiting, therefore amorphous alloy distribution transformer is in China's electrical network
To have the biggest application potential.At present, the application to amorphous alloy distribution transformer is more and more extensive.
Chinese invention patent (201310751097.5: transformer with amorphous alloy made iron core) discloses a kind of amorphous alloy iron core
Transformator, the iron core (2) including the casing (1) being provided with containing cavity (11), being arranged in casing, the coil groups being arranged on iron core
Part (3), the heat sink (4) being arranged on cabinet exterior；It is characterized in that: described iron core is by three round rectangles core frame (21)
Splicing and combining the three-frame and three pole iron core of formation, it is triangle that this iron core observes its shape from depression angle；Each coil block set
It is located on a corresponding iron core stem stem (22)；The containing cavity of casing is provided with the transformer insulation oil (5) for cooling of insulating；Case
The purifier (6) for transformer insulation oil being carried out purified treatment it is additionally provided with on external wall；Described purifier includes whirlpool
Stream separator (61), the inclined plate separator (62) being connected with whirlpool separator, be connected with inclined plate separator magnetic filter adsorber
(63) refrigerator (64), being connected with magnetic filter adsorber, the emulsion breaker (65) being connected with refrigerator, the circulation that is connected with emulsion breaker
Pump (66), connect circulating pump and the high-pressure electrostatic adsorber (67) of refrigerator, the vacuum air pump (68) being connected with emulsion breaker and
The condenser (69) that vacuum air pump is connected；Emulsion breaker includes closed breakdown of emulsion room (651), and is arranged on the mist in breakdown of emulsion room
Change device (652), resonance occurring source (653), bleeding point (654) and liquid circulation port (655)；Bleeding point and the nozzle of nebulizer
Being arranged on the top of breakdown of emulsion room, described bleeding point is connected with vacuum air pump, described liquid circulation port and the inlet of circulating pump
Be connected, the liquid outlet of described circulating pump is connected with the inlet of high-pressure electrostatic adsorber, the liquid outlet of high-pressure electrostatic adsorber with
The import of refrigerator is connected, and the liquid outlet of condenser is connected with containing cavity in casing；Oil temperature is that room temperature is to 75 DEG C；The spray of nebulizer
Mist pressure is 0.2Mpa to 0.6Mpa, and mist flow is 26 liters/min；Vacuum in breakdown of emulsion room be 500mbar extremely
800mbar, the flow of jet-stream wind of air blowing device blowout is 10 liters/min to 30 liters/min, whiff pressure be 0.2Mpa extremely
0.6Mpa；Described resonance occurring source is supersonic generator, and frequency of vibration used is 30,000 hertz to 50,000 hertz.
Chinese invention patent (201210326512.8: transformer core and manufacture method thereof) discloses a kind of transformer fe
Core, including three iron props of suit winding, the iron yoke coupling each iron prop composition closed magnetic circuit and clamping device, three described ferrum
Post has parallel identical symmetrical center line, arranges in equilateral triangle, and three described iron props are common with upper and lower six iron yokes
Constituting three-phase three-column solid core structure, this solid core structure is formed by three identical volume iron-core element combination of two, its
It is characterised by: the first straight portion (11) that each volume iron-core element (1) includes connecting successively, the first arc portion (12), second straight portion
(13) and the second arc portion (14), the vertical section of volume iron-core element (1) is the upper and lower track type with double arcs；Three volume iron cores are first
Six straight portions of part (1) combine three iron props of the three-phase three-column solid core structure described in being formed, three volume ferrum the most two-by-two
Six arc portions of core element (1) form six iron yokes up and down coupling three iron props；The cross section of described each iron prop is true
Circle；Described volume iron-core element (1) is formed by the folded volume of the iron core sheet stock (10) of multilamellar open butt joint formula, each iron core sheet stock (10)
Interleaved openings arrange, opening/closing yoke structure is arranged on the docking opening part of each iron core sheet stock (10).
Disclosed in above-mentioned first patent of invention, a kind of transformer with amorphous alloy made iron core, relatively reasonable in structure, more saves
Material, uses amorphous alloy material, decreases the weight of iron core；Transformer core disclosed in second patent of invention is by three
Identical heart element framework synthesis, mainly solves coil and is easily installed and changes；For reducing the most greatly
Core loss, provide the transformator of a kind of environmental protection and energy saving, above-mentioned two patent of invention be do not have disclosed.
Summary of the invention
For defect present in above-mentioned prior art, the invention provides a kind of distribution transformer, compact conformation rationally,
It is easily installed, takes up an area that volume is little, substantially reduce core loss.
Solving above-mentioned technical problem, the technical solution used in the present invention is: the present invention provides a kind of distribution transformer, including
Transformer body, described transformer body includes main iron core, high-tension coil, low-voltage coil and insulating element, and wherein, main iron core sets
In the center of transformator, low-voltage coil is located at the periphery of main iron core, and high-tension coil is located at the periphery of low-voltage coil；
Main iron core is the amorphous alloy core of 3-D triangle structure, and main iron core includes 3 stem stems and 3 core frames, often
One core frame is semicircular structure, and each stem stem is tangent with each core frame to be connected；The upper surface of each core frame is provided with upper yoke, lower end
Face is provided with lower yoke；Each stem stem is wound with Structures of Multilayers Amorphous Alloys sheet, and the thickness of each amorphous alloy film is 0.02mm, adjacent non-
Rolling thickness interval value between peritectic alloy sheet is 0.5-1mm, and the non-crystaline amorphous metal on each stem stem is to wind in the same direction
's；
Distribution transformer also include fuel tank, earthing rod, gas relay, low-tension bushing, low pressure line bank, bushing,
Oil column, base, described fuel tank is located at the periphery of transformer body, and gas relay, low-tension bushing, bushing, oil column are all provided with
Upper surface in transformer body；
Described low-tension bushing, bushing are insulated sleeve, and the lead-out wire of low-voltage coil is through fuel tank cap and low gland
Pipe connects, it is ensured that charged low-voltage coil lead-out wire keeps insulation with the fuel tank of ground connection；
The upper end of described low-tension bushing is provided with low pressure line bank；
The lead-out wire of high-tension coil is connected with bushing through fuel tank cap, it is ensured that charged high-tension coil lead-out wire with connect
The fuel tank on ground keeps insulation；
Described earthing rod is located at the bottom surface of fuel tank, it is ensured that one end of transformator is ground state；
Described base is located at the bottom of fuel tank, and described base uses channel-section steel structure, it is ensured that transformator does not directly connect with ground
Touch.
Compare with prior art, the beneficial effect comprise that:
(1) distribution transformer that the present invention provides uses amorphous alloy strips, and the thickness of every non-crystaline amorphous metal is
0.02mm, makes core loss technological coefficient reduce to 0.9%, greatly reduces core loss；
(2) distribution transformer that the present invention provides uses the three-dimensional heart, three-dimensional pericardium to include stem stem and core frame, wherein
Core frame is semicircular structure, and core frame is tangent with stem stem to be connected, and the volume that the design of this kind of structure makes the heart take is little, and volume ferrum
Core few by material amount, decreases the weight of the heart；
(3) the distribution transformer overload capacity that the present invention provides is strong, compact conformation, occupation of land less, noise is low and energy-conservation, ring
Protect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the distribution transformer that the present invention provides；
Fig. 2 is the structural representation of main iron core in the distribution transformer that the present invention provides；
1: main iron core；2: stem stem；3: core frame；4: upper yoke；5: lower yoke；6: amorphous alloy film；7: fuel tank；8: ground connection
Post；9: gas relay；10: low-tension bushing；11: low pressing line pipe；12: bushing；13: oil column；14: base.
Detailed description of the invention
Below in conjunction with the accompanying drawings, the specific embodiment in the present invention is made detailed elaboration.
Shown in ginseng Fig. 1-Fig. 2, Fig. 1 is the structural representation of the distribution transformer that the present invention provides, and Fig. 2 is that the present invention provides
Distribution transformer in the structural representation of main iron core.In FIG, distribution transformer includes transformer body, fuel tank 7, ground connection
Post 8, gas relay 9, low-tension bushing 10, low pressing line pipe 11, bushing 12, oil column 13 and base 14；Fuel tank 7 is provided with appearance
Put chamber, in containing cavity, be provided with transformer body, gas relay 9, low-tension bushing 10, low pressing line pipe 11, high pressure spool 12 and
Oil column 13 is all located at above fuel tank, and low-tension bushing 10 and bushing 12 are insulated sleeve；Low pressing line pipe 11 is located at low
Above gland pipe 10；Earthing rod 8 is located at the bottom surface of fuel tank 7, and base 14 is provided with the bottom of fuel tank 7, and base 14 uses channel-section steel to tie
Structure, it is ensured that transformator does not directly contact with bottom surface.
In fig. 2, transformer body includes main iron core 1, high-tension coil, low-voltage coil and insulating element, wherein main iron core 1
Being located at the center of transformer body, low-voltage coil is located at the periphery of main iron core 1, and high-tension coil is located at outside low-voltage coil
Enclose；Main iron core 1 is the non-crystaline amorphous metal heart of 3-D triangle structure, and main iron core 1 includes 3 stem stems 2 and 3 core frames 3, each
Core frame 3 is semicircular structure, and each stem stem 2 is tangent with each core frame 3 to be connected；The upper surface of each core frame 3 is provided with upper yoke 4,
Lower surface is provided with lower yoke 5；Being wound with Structures of Multilayers Amorphous Alloys sheet on each stem stem 2, the thickness of each amorphous alloy film is
0.02mm, the rolling thickness interval value between adjacent amorphous alloy film is 0.5-1mm, and the amorphous alloy film on each stem stem is
Wind in the same direction.
The lead-out wire of low-voltage coil is connected with low-tension bushing through fuel tank cap, it is ensured that charged low-voltage coil lead-out wire and
The fuel tank of ground connection keeps insulation；
The lead-out wire of high-tension coil is connected through fuel tank cap with bushing, it is ensured that the lead-out wire of charged high-tension coil
Insulation is kept with the fuel tank of ground connection.
A series of detailed description mentioned above is only for illustrating of the feasibility embodiment of the present invention,
They are not to limit the scope of the invention, in the ken that described technical field those of ordinary skill is possessed
In, the various changes made on the premise of without departing from present inventive concept belong to protection scope of the present invention.
Claims (7)
1. a distribution transformer, including transformer body, described transformer body includes main iron core, high-tension coil, low-voltage line
Circle and insulating element, wherein, main iron core is located at the center of transformator, and low-voltage coil is located at the periphery of main iron core, high-voltage line
The periphery of low-voltage coil is located at by circle；
Main iron core is the amorphous alloy core of 3-D triangle structure, and main iron core includes 3 stem stems and 3 core frames, Mei Yixin
Frame is semicircular structure, and each stem stem is tangent with each core frame to be connected；The upper surface of each core frame is provided with upper yoke, and lower surface sets
There is lower yoke；Each stem stem is wound with Structures of Multilayers Amorphous Alloys sheet, and the thickness of each amorphous alloy film is 0.02mm, and adjacent amorphous closes
Rolling thickness interval value between gold plaque is 0.5-1mm, and the non-crystaline amorphous metal on each stem stem winds in the same direction.
2. distribution transformer as claimed in claim 1, it is characterised in that described distribution transformer also include fuel tank, earthing rod,
Gas relay, low-tension bushing, low pressure line bank, bushing, oil column, base, described fuel tank is located at outside transformer body
Enclosing, gas relay, low-tension bushing, bushing, oil column are all located at the upper surface of transformer body.
3. distribution transformer as claimed in claim 1, it is characterised in that described low-tension bushing, bushing are insulation sleeve
Pipe, the lead-out wire of low-voltage coil is connected through fuel tank cap with low-tension bushing, it is ensured that charged low-voltage coil lead-out wire and ground connection
Fuel tank keeps insulation.
4. distribution transformer as claimed in claim 1, it is characterised in that the upper end of described low-tension bushing is provided with low compression bonded line
Row.
5. distribution transformer as claimed in claim 1, it is characterised in that the lead-out wire of high-tension coil passes fuel tank cap and high pressure
Telescopic joint, it is ensured that charged high-tension coil lead-out wire keeps insulation with the fuel tank of ground connection.
6. distribution transformer as claimed in claim 1, it is characterised in that described earthing rod is located at the bottom surface of fuel tank, it is ensured that become
One end of depressor is ground state.
7. distribution transformer as claimed in claim 1, it is characterised in that described base is located at the bottom of fuel tank, described base
Use channel-section steel structure, it is ensured that transformator does not directly contact with bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867574.8A CN106205970A (en) | 2016-09-30 | 2016-09-30 | A kind of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610867574.8A CN106205970A (en) | 2016-09-30 | 2016-09-30 | A kind of distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106205970A true CN106205970A (en) | 2016-12-07 |
Family
ID=57521087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610867574.8A Pending CN106205970A (en) | 2016-09-30 | 2016-09-30 | A kind of distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106205970A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037706A (en) * | 1990-02-27 | 1991-08-06 | Asea Brown Boveri, Inc. | Laminated strips of amorphous metal |
| CN101145421A (en) * | 2006-09-15 | 2008-03-19 | 株式会社日立产机系统 | Transformer |
| CN202258680U (en) * | 2011-08-02 | 2012-05-30 | 广东海鸿变压器有限公司 | Oil-immersed type three-dimensional rolled iron-core amorphous-alloy transformer |
| CN205451989U (en) * | 2016-03-23 | 2016-08-10 | 张亚茹 | Novel transformer |
-
2016
- 2016-09-30 CN CN201610867574.8A patent/CN106205970A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037706A (en) * | 1990-02-27 | 1991-08-06 | Asea Brown Boveri, Inc. | Laminated strips of amorphous metal |
| CN101145421A (en) * | 2006-09-15 | 2008-03-19 | 株式会社日立产机系统 | Transformer |
| CN202258680U (en) * | 2011-08-02 | 2012-05-30 | 广东海鸿变压器有限公司 | Oil-immersed type three-dimensional rolled iron-core amorphous-alloy transformer |
| CN205451989U (en) * | 2016-03-23 | 2016-08-10 | 张亚茹 | Novel transformer |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 362321 village, Rong Zhong village, Meishan Town, Nanan City, Quanzhou, Fujian Applicant after: Rong Zhong electric Limited by Share Ltd Address before: 362321 village, Rong Zhong village, Meishan Town, Nanan, Quanzhou, Fujian Applicant before: Rongzhong Electrical Equipment Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |