CN108899175A - A kind of transformer noise reduction amorphous alloy magnetic core - Google Patents
A kind of transformer noise reduction amorphous alloy magnetic core Download PDFInfo
- Publication number
- CN108899175A CN108899175A CN201810806911.1A CN201810806911A CN108899175A CN 108899175 A CN108899175 A CN 108899175A CN 201810806911 A CN201810806911 A CN 201810806911A CN 108899175 A CN108899175 A CN 108899175A
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- China
- Prior art keywords
- magnetic core
- amorphous alloy
- silica gel
- noise reduction
- vibration damping
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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
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15308—Amorphous metallic alloys, e.g. glassy metals based on Fe/Ni
-
- 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
- H01F27/33—Arrangements for noise damping
Abstract
The invention discloses a kind of transformer noise reduction amorphous alloy magnetic cores, magnetic core is wound including amorphous alloy, the axial ends of the amorphous alloy winding magnetic core is coated with vibration damping silica gel thin film, the vibration damping silica gel thin film with a thickness of 0.5 centimetre~2.0 centimetres, and the vibration damping silica gel thin film is bonded the side of amorphous alloy winding magnetic core axial end face and penetrates into the amorphous alloy winding wound core of magnetic in gap.It is 0.2 millimeter~0.5 millimeter that the vibration damping silica gel thin film, which penetrates into depth of the amorphous alloy winding wound core of magnetic in gap,.The present invention is coated with vibration damping silica gel thin film by winding the axial ends of magnetic core in amorphous alloy, can be effectively reduced vibrating noise when amorphous alloy winding magnetic core work；In addition, when big voltage, high current pass through, Oscillation Amplitude is significantly reduced using biggish rigid amorphous alloy material.
Description
Technical field
The present invention relates to a kind of amorphous alloy magnetic core product technical field, especially a kind of transformer noise reduction amorphous alloy magnetic
Core.
Background technique
The advantages of traditional magnetic core of transformer is mainly made of silicon steel sheet, silicon steel sheet is have high saturation induction strong
The shortcomings that degree, silicon steel sheet, is to be applied to have biggish loss when high frequency field, and magnetic flux density is lower；And amorphous alloy magnetic
Property material be a kind of soft magnetic materials that novel saturation induction density is high, therefore be applied to more and more in magnetic core of transformer
Amorphous alloy magnetic material.But since the usual thickness of band of amorphous alloy magnetic material preparation is smaller, amorphous alloy
Magnetic material preparation wound core of magnetic around or stacking the number of plies it is excessive, the gap of amorphous alloy magnetism band magnetic core is more, and transformer
Often work under high voltage, high current state, thus in actual use excitation vibration easily cause it is biggish
Noise.
With the development of urbanization, the installation site of transformer is more and more closer with inhabitation or office space, therefore having must
A kind of novel transformer noise reduction amorphous alloy magnetic core is provided, can further improve amorphous alloy magnetic material in transformer
The middle problem larger using noise.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of transformer noise reduction amorphous alloy magnetic core, can make
Noise of the amorphous alloy magnetic material in transformer application is significantly reduced.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of transformer noise reduction amorphous alloy magnetic core, including amorphous alloy wind magnetic core, the axis of the amorphous alloy winding magnetic core
Be coated with vibration damping silica gel thin film to both ends, the vibration damping silica gel thin film with a thickness of 0.5 centimetre~2.0 centimetres, and
The amorphous alloy roll is penetrated into the side that the vibration damping silica gel thin film is bonded the amorphous alloy winding magnetic core axial end face
Around wound core of magnetic in gap.
As a further improvement of the above technical scheme, the vibration damping silica gel thin film penetrates into the amorphous alloy winding
Depth of the wound core of magnetic in gap is 0.2 millimeter~0.5 millimeter.
It as a further improvement of the above technical scheme, further include the magnetic core that magnetic core is wound for encapsulating the amorphous alloy
Package casing and magnetic core encapsulate end cap, and magnetic core installation fixed column, the amorphous are provided at the axle center of the magnetic core package casing
Alloy wound core is sleeved in the magnetic core installation fixed column；The roll surface of the amorphous alloy winding magnetic core is further sleeved with round tube
The elastic tightening silica gel ring of shape.
As a further improvement of the above technical scheme, the amorphous alloy winding magnetic core includes following mass percent
Element：Nickel element 8%~11%, antimony element 2.5%~4.0%, zr element 0.5%~1.0%, gallium element 0.1%~0.3%, magnesium elements
3.0%~6.0%, the ferro element of Zn-ef ficiency 2.0%~4.0%, aluminium element 5%~10% and surplus.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present invention, by the axial ends for winding magnetic core in amorphous alloy
It is coated with vibration damping silica gel thin film, vibrating noise when amorphous alloy winding magnetic core work can be effectively reduced；In addition, using
Biggish rigid amorphous alloy material, when big voltage, high current pass through, Oscillation Amplitude is significantly reduced, so as to
Enough it is significantly reduced noise of the amorphous alloy magnetic material in transformer application.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is a kind of structural schematic diagram of transformer noise reduction amorphous alloy magnetic core of the present invention.
Specific embodiment
Carry out the technology contents that present invention be described in more detail below in conjunction with specific embodiments.
Specific embodiment 1
Referring to Fig.1, Fig. 1 is a kind of structural schematic diagram of transformer noise reduction amorphous alloy magnetic core provided in this embodiment comprising
Amorphous alloy winds magnetic core 1, and the axial ends of the amorphous alloy winding magnetic core 1 is coated with vibration damping silica gel thin film 2, described
Vibration damping silica gel thin film 2 with a thickness of 0.5 centimetre~2.0 centimetres, and the vibration damping silica gel thin film 2 is bonded the amorphous
The side of 1 axial end face of alloy wound core is penetrated into the amorphous alloy winding magnetic core 1 and is wound in gap.
Specifically, the vibration damping silica gel thin film 2 penetrates into the depth in the amorphous alloy winding winding of magnetic core 1 gap
It is 0.2 millimeter~0.5 millimeter.It further include the magnetic core package casing 3 and magnetic core envelope for encapsulating the amorphous alloy winding magnetic core 1
End cap 4 is filled, magnetic core installation fixed column 5 is provided at the axle center of the magnetic core package casing 3, the amorphous alloy winds magnetic core 1
It is sleeved in the magnetic core installation fixed column 5；The elasticity that the roll surface of the amorphous alloy winding magnetic core 1 is further sleeved with tubular is received
Tight silica gel ring 6.
In the present embodiment, the amorphous alloy winding magnetic core 1 includes the element of following mass percent：Nickel element 9%, antimony
Element 3.3%, zr element 0.8%, gallium element 0.2%, magnesium elements 4.0%, Zn-ef ficiency 3.0%, aluminium element 7% and surplus iron member
Element.
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment, saturation magnetic induction are the T of 1.5 T~1.8,
Unit aluminium damage when 1.35T/50Hz is the W/kg of 0.19 W/kg~0.21.
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment is replaced into conventional al based amorphous alloy magnetic core
Afterwards, operating noise can be made to drop to the dB of 35 dB~40 in the transformer operating noise of the dB of 50 dB~60.
Specific embodiment 2
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment, structure is identical as specific embodiment 1, difference
Being in amorphous alloy winding magnetic core 1 includes the element of following mass percent：Nickel element 8%, antimony element 4.0%, zirconium member
Plain 0.5%, the ferro element of gallium element 0.1%, magnesium elements 6.0%, Zn-ef ficiency 2.0%, aluminium element 10% and surplus.
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment, saturation magnetic induction are the T of 1.1 T~1.3,
Unit aluminium damage when 1.35T/50Hz is the W/kg of 0.18 W/kg~0.21.
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment is replaced into conventional al based amorphous alloy magnetic core
Afterwards, operating noise can be made to drop to the dB of 35 dB~40 in the transformer operating noise of the dB of 50 dB~60.
Specific embodiment 3
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment, structure is identical as specific embodiment 1, difference
Being in amorphous alloy winding magnetic core 1 includes the element of following mass percent：Nickel element 11%, antimony element 2.5%, zirconium member
Plain 1.0%, the ferro element of gallium element 0.3%, magnesium elements 3.0%, Zn-ef ficiency 4.0%, aluminium element 5% and surplus.
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment, saturation magnetic induction are the T of 1.2 T~1.4,
Unit aluminium damage when 1.35T/50Hz is the W/kg of 0.15 W/kg~0.17.
A kind of transformer noise reduction amorphous alloy magnetic core provided by the present embodiment is replaced into conventional al based amorphous alloy magnetic core
Afterwards, operating noise can be made to drop to the dB of 35 dB~40 in the transformer operating noise of the dB of 50 dB~60.
Better embodiment of the invention is illustrated above, certainly, the present invention can also using with it is above-mentioned
The different form of embodiment, those skilled in the art are made equivalent on the premise of without prejudice to spirit of the invention
Transformation or corresponding change, all should belong in protection scope of the present invention.
Claims (5)
1. a kind of transformer noise reduction amorphous alloy magnetic core, it is characterised in that：Magnetic core is wound including amorphous alloy（1）, the amorphous
Alloy wound core（1）Axial ends be coated with vibration damping silica gel thin film（2）, the vibration damping silica gel thin film（2）'s
With a thickness of 0.5 centimetre~2.0 centimetres, and the vibration damping silica gel thin film（2）It is bonded the amorphous alloy winding magnetic core（1）Axis
The amorphous alloy, which is penetrated into, to the side of end face winds magnetic core（1）It winds in gap.
2. a kind of transformer noise reduction amorphous alloy magnetic core according to claim 1, it is characterised in that：The vibration damping silicon
Glue film（2）Penetrate into the amorphous alloy winding magnetic core（1）Winding the depth in gap is 0.2 millimeter~0.5 millimeter.
3. a kind of transformer noise reduction amorphous alloy magnetic core according to claim 1, it is characterised in that：It further include for encapsulating
The amorphous alloy winds magnetic core（1）Magnetic core package casing（3）End cap is encapsulated with magnetic core（4）, the magnetic core package casing（3）
Axle center at be provided with magnetic core installation fixed column（5）, the amorphous alloy winding magnetic core（1）The magnetic core installation is sleeved on to fix
Column（5）On；The amorphous alloy winds magnetic core（1）Roll surface be further sleeved with the elastic tightening silica gel ring of tubular（6）.
4. a kind of transformer noise reduction amorphous alloy magnetic core according to claim 1, which is characterized in that the amorphous alloy roll
Around magnetic core（1）Element including following mass percent：Nickel element 8%~11%, antimony element 2.5%~4.0%, zr element 0.5%~
1.0%, gallium element 0.1%~0.3%, magnesium elements 3.0%~6.0%, Zn-ef ficiency 2.0%~4.0%, aluminium element 5%~10%, Yi Jiyu
The ferro element of amount.
5. a kind of transformer noise reduction amorphous alloy magnetic core according to claim 1, which is characterized in that the amorphous alloy roll
Around magnetic core（1）Element including following mass percent：Nickel element 9%, antimony element 3.3%, zr element 0.8%, gallium element 0.2%,
Magnesium elements 4.0%, Zn-ef ficiency 3.0%, aluminium element 7% and surplus ferro element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806911.1A CN108899175A (en) | 2018-07-21 | 2018-07-21 | A kind of transformer noise reduction amorphous alloy magnetic core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810806911.1A CN108899175A (en) | 2018-07-21 | 2018-07-21 | A kind of transformer noise reduction amorphous alloy magnetic core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108899175A true CN108899175A (en) | 2018-11-27 |
Family
ID=64351298
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| CN201810806911.1A Withdrawn CN108899175A (en) | 2018-07-21 | 2018-07-21 | A kind of transformer noise reduction amorphous alloy magnetic core |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5619174A (en) * | 1993-07-30 | 1997-04-08 | Alps Electric Co., Ltd. | Noise filter comprising a soft magnetic alloy ribbon core |
| CN1688003A (en) * | 2005-06-23 | 2005-10-26 | 安泰科技股份有限公司 | Anti-DC component current transformer core and mfg. method and use thereof |
| CN101351571A (en) * | 2006-01-04 | 2009-01-21 | 日立金属株式会社 | Amorphous alloy thin-band, nanocrystalline soft magnetic alloy and magnetic core consisting of nanocrystalline soft magnetic alloy |
| CN201266539Y (en) * | 2008-09-27 | 2009-07-01 | 上海休伯康特能源设备有限公司 | Denoise component of transformer and transformer containing the same |
| CN201549322U (en) * | 2009-10-09 | 2010-08-11 | 中电电气集团有限公司 | Low-noise amorphous alloy dry-type transformer |
| CN202205548U (en) * | 2011-08-15 | 2012-04-25 | 上海日港置信非晶体金属有限公司 | Low-noise amorphous alloy transformer iron core |
| CN104131243A (en) * | 2014-07-28 | 2014-11-05 | 安泰科技股份有限公司 | Iron-based amorphous alloy being not brittle after annealing and preparation method thereof |
-
2018
- 2018-07-21 CN CN201810806911.1A patent/CN108899175A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5619174A (en) * | 1993-07-30 | 1997-04-08 | Alps Electric Co., Ltd. | Noise filter comprising a soft magnetic alloy ribbon core |
| CN1688003A (en) * | 2005-06-23 | 2005-10-26 | 安泰科技股份有限公司 | Anti-DC component current transformer core and mfg. method and use thereof |
| CN101351571A (en) * | 2006-01-04 | 2009-01-21 | 日立金属株式会社 | Amorphous alloy thin-band, nanocrystalline soft magnetic alloy and magnetic core consisting of nanocrystalline soft magnetic alloy |
| CN201266539Y (en) * | 2008-09-27 | 2009-07-01 | 上海休伯康特能源设备有限公司 | Denoise component of transformer and transformer containing the same |
| CN201549322U (en) * | 2009-10-09 | 2010-08-11 | 中电电气集团有限公司 | Low-noise amorphous alloy dry-type transformer |
| CN202205548U (en) * | 2011-08-15 | 2012-04-25 | 上海日港置信非晶体金属有限公司 | Low-noise amorphous alloy transformer iron core |
| CN104131243A (en) * | 2014-07-28 | 2014-11-05 | 安泰科技股份有限公司 | Iron-based amorphous alloy being not brittle after annealing and preparation method thereof |
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Application publication date: 20181127 |
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