CN114284046A - Oil-immersed transformer body - Google Patents
Oil-immersed transformer body Download PDFInfo
- Publication number
- CN114284046A CN114284046A CN202111347207.2A CN202111347207A CN114284046A CN 114284046 A CN114284046 A CN 114284046A CN 202111347207 A CN202111347207 A CN 202111347207A CN 114284046 A CN114284046 A CN 114284046A
- Authority
- CN
- China
- Prior art keywords
- iron core
- height
- core
- clamping piece
- supporting
- Prior art date
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000004804 winding Methods 0.000 claims abstract description 28
- 229910052742 iron Inorganic materials 0.000 claims abstract description 23
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 229910000808 amorphous metal alloy Inorganic materials 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
Images
Landscapes
- Regulation Of General Use Transformers (AREA)
Abstract
The invention relates to the technical field of amorphous alloy oil-immersed transformers, in particular to an oil-immersed transformer body, which comprises a first iron core, a second iron core, a clamping piece, a bracket, a bearing structure and a winding, wherein the first iron core is arranged on the first iron core; the bracket is fixed on the clamping piece and used for supporting the winding; the winding is a hollow cylindrical structure and is vertically fixed on the bracket; the first iron core and the second iron core are hung on the winding and positioned in the clamping piece, and the window width of the first iron core is not equal to that of the second iron core; the supporting structure is fixed on the bottom surface of the clamping piece and is used for supporting the first iron core and/or the second iron core so that the lap joint of the lower iron yoke of the first iron core and the lap joint of the lower iron yoke of the second iron core are kept in a horizontal state. The invention can maintain the horizontal state of the lap joint of the iron core lower iron yoke, and obviously reduce the noise and the no-load loss of the transformer.
Description
Technical Field
The invention relates to the technical field of amorphous alloy oil-immersed transformers, in particular to an oil-immersed transformer body.
Background
The conventional amorphous transformer regards the large frame and the outer frame iron core as a whole, so that the large frame and the outer frame iron core can not be distinguished when the lower iron yoke supports the iron core, and when the iron core lap is in a natural drooping state, the lower iron yoke part and the clamping piece are different in bearing height according to different self weights, so that the design margin is far larger than the actual condition, the iron yoke part under the large frame is too loose, and the noise and no-load loss of the transformer are increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an oil-immersed transformer body which can enable the lap joint of a lower iron yoke of an iron core to be maintained in a horizontal state and obviously reduce noise and no-load loss of a transformer.
In order to solve the defects of the prior art, the technical scheme provided by the invention is as follows:
an oil-immersed transformer body comprises a first iron core, a second iron core, a clamping piece, a bracket, a bearing structure and a winding;
the bracket is fixed on the clamping piece and used for supporting the winding;
the winding is of a hollow cylindrical structure and is vertically fixed on the bracket;
the first iron core and the second iron core are hung on the winding and positioned in the clamping piece, and the window width of the first iron core is not equal to that of the second iron core;
the supporting structure is fixed on the bottom surface of the clamping piece and is used for supporting the first iron core and/or the second iron core so that the lap joint of the lower iron yoke of the first iron core and the lap joint of the lower iron yoke of the second iron core are kept in a horizontal state.
Preferably, the supporting structure comprises a first supporting structure and a second supporting structure;
the first bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the first iron core, and the height of the first bearing structure is as follows:
THK1＝A-(H1-H0)-N1
wherein, THK1To support the height of the first structure; a is the height of the bracket relative to the bottom surface of the clamping piece; h1Window height of the first core; n is a radical of1Is the stack thickness of the first core; h0Is the height of the winding;
the second bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the second iron core, and the height of the second bearing structure is as follows:
THK2＝A-(H2-H0)-N2
wherein, THK2The height of the second bearing structure is increased; h2Window height of the second iron core; n is a radical of2Is the stack thickness of the second core.
Preferably, the window width of the first core is larger than the window width of the second core.
Preferably, the supporting structure comprises a third supporting structure;
the third bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the first iron core, and the height of the third bearing structure is as follows:
THK3＝A-(H1-H0)-N1
wherein, THK3The height of the supporting structure III is increased; a is the height of the bracket relative to the bottom surface of the clamping piece; h1Window height of the first core; n is a radical of1Is the stack thickness of the first core; h0Is the height of the winding;
the window height of the second iron core is as follows:
H2＝A+H0-N2
wherein H2Window height of the second iron core; n is a radical of2Is the stack thickness of the second core.
Preferably, the height of the winding is equal to the window height of the first core.
Preferably, the stack thickness of the first core is equal to the stack thickness of the second core.
Preferably, the support structure is in the shape of a cuboid.
Preferably, the clamping piece is U-shaped and comprises a bottom plate and two vertical plates vertically fixed on two sides of the bottom plate, and the bottom plate and the vertical plates are made of stainless steel.
Preferably, the two supports are horizontally arranged, have the same height and are positioned at two sides of the clamping piece, and two ends of each support are respectively and fixedly connected with the outer side surfaces of the two vertical plates; the bracket is made of stainless steel, and the cross section of the bracket is in an inverted L shape.
Preferably, the first core and the second core form a four-frame five-column structure.
The invention has the beneficial effects that:
according to the oil-immersed transformer body provided by the invention, the bearing structure is designed according to the respective window height and the stacking thickness of the first iron core and the second iron core, so that the lap joint of the lower iron yokes of the first iron core and the second iron core is maintained in a horizontal state, the stability of the lap joint of the lower iron yokes can be enhanced, and the noise of the oil-immersed transformer and the no-load loss of the transformer are reduced.
Drawings
Fig. 1 is a front view of an oil-filled transformer body provided by the invention;
fig. 2 is a left side view of the oil-immersed transformer body according to the present invention;
fig. 3 is a schematic structural diagram of a winding, a first iron core and a second iron core provided by the present invention;
fig. 4 is a schematic structural diagram of a first iron core provided by the present invention;
fig. 5 is a schematic structural view of a second core according to the present invention;
in the figure: 1 is a clamp; 2 is a winding; 3 is a first iron core; 4 is a second iron core; 5 is the lap joint of the lower iron yoke of the second iron core; 6 is the lap joint of the first iron core lower iron yoke; 9 is a supporting structure III; 10. and (4) a bracket.
Detailed Description
The present invention will be further described with reference to the following embodiments. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention, and the protection scope of the present invention is not limited thereby.
An embodiment of the present invention provides an oil-immersed transformer body, which is shown in fig. 1 and 3, and includes a first iron core 3, a second iron core 4, a clamping piece 1, a bracket 10, a supporting structure, and a winding 2. Wherein the support 10 is fixed to the clamp 1 for supporting the winding 2. The winding 2 is a hollow cylindrical structure and is vertically fixed on the bracket 10. The first iron core 3 and the second iron core 4 are hung on the winding 2 and positioned in the clamping piece 1, and the first iron core 3 and the second iron core 4 are not stressed; the window width of the first core 3 is not equal to the window width of the second core 4. The supporting structure is fixed on the bottom surface of the clamping piece and is used for supporting the first iron core and/or the second iron core so that the lap joint 6 of the lower iron yoke of the first iron core and the lap joint 5 of the lower iron yoke of the second iron core are kept in a horizontal state.
According to the invention, the first iron core and the second iron core with different window widths are considered separately, and the bearing structure is designed for supporting the first iron core and the second iron core, so that the lap joint of the lower iron yoke of the first iron core and the lap joint of the lower iron yoke of the second iron core are kept in a horizontal state, the stability of the lap joint of the lower iron yokes can be enhanced, and the noise of the oil-immersed transformer and the no-load loss of the transformer are reduced.
The invention does not limit the forms of the clamping piece and the bracket, the clamping piece is used for wrapping the first iron core and the second iron core and supporting the bracket, the bracket is used for supporting the winding, and the shapes of the clamping piece and the bracket can be designed according to requirements.
In an alternative embodiment of the present invention, different supporting structures are designed according to the stack thickness and the window height of the first iron core and the second iron core respectively to support the first iron core and the second iron core. Specifically, the supporting structure comprises a first supporting structure and a second supporting structure; the first bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the first iron core, and the second bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the second iron core.
Wherein, the height of bearing structure one does:
THK1＝A-(H1-H0)-N1
wherein, THK1To support the height of the first structure; a is the height of the bracket relative to the bottom surface of the clamping piece; h1Window height of the first core; n is a radical of1Is the stack thickness of the first core; h0Is the height of the winding;
the height of the second bearing structure is as follows:
THK2＝A-(H2-H0)-N2
wherein, THK2The height of the second bearing structure is increased; h2Window height of the second iron core; n is a radical of2Is the stack thickness of the second core.
In an alternative embodiment of the invention, the window width of the first core is larger than the window width of the second core. It is known in the art that the sagging height of the lower iron yoke of the second iron core is greater than the sagging height of the lower iron yoke of the first iron core, so that only the supporting structure of the first iron core can be designed, the window height of the first iron core is equal to the height of the winding, and the window height of the second iron core is increased, and the bottom surface of the clamping piece supports the second iron core to maintain the lap joint of the lower iron yoke of the second iron core in a horizontal state. Specifically, referring to fig. 1 and 3, the supporting structure includes a supporting structure three 9; the third supporting structure 9 is fixed on the bottom surface of the clamping piece 1 and is used for supporting the first iron core 3.
The height of the bearing structure III is as follows:
THK3＝A-(H1-H0)-N1
wherein, referring to fig. 1, 2 and 4, THK3The height of the supporting structure III 9; a is the height of the bracket 10 relative to the bottom surface of the clamping piece 1; h1The window height of the first core 3; n is a radical of1Is the stack thickness of the first core 3; h0Is the height of the winding;
the window height of the second iron core is as follows:
H2＝A+H0-N2
wherein, see FIG. 5, H2The window height of the second core 4; n is a radical of2Is the stack thickness of the second core 4.
In an alternative embodiment of the invention, the stack thickness of the first core is equal to the stack thickness of the second core.
In an alternative embodiment of the invention, the support structure is in the shape of a cuboid.
In an alternative embodiment of the present invention, referring to fig. 1, the clip 1 is U-shaped, and includes a bottom plate and two vertical plates vertically fixed on two sides of the bottom plate, wherein the bottom plate and the vertical plates are made of stainless steel. Referring to fig. 1 and 2, two supports 10 are horizontally arranged, the two supports 10 have the same height and are located at two sides of the clamping piece 1, and two ends of each support 10 are respectively fixedly connected with the outer side surfaces of two vertical plates; the bracket is made of stainless steel, and the cross section of the bracket is in an inverted L shape.
In an alternative embodiment of the present invention, the first core and the second core form a four-frame five-column structure.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An oil-immersed transformer body is characterized by comprising a first iron core, a second iron core, a clamping piece, a bracket, a bearing structure and a winding;
the bracket is fixed on the clamping piece and used for supporting the winding;
the winding is of a hollow cylindrical structure and is vertically fixed on the bracket;
the first iron core and the second iron core are hung on the winding and positioned in the clamping piece, and the window width of the first iron core is not equal to that of the second iron core;
the supporting structure is fixed on the bottom surface of the clamping piece and is used for supporting the first iron core and/or the second iron core so that the lap joint of the lower iron yoke of the first iron core and the lap joint of the lower iron yoke of the second iron core are kept in a horizontal state.
2. The oil-filled transformer body according to claim 1, wherein the supporting structure comprises a first supporting structure and a second supporting structure;
the first bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the first iron core, and the height of the first bearing structure is as follows:
THK1＝A-(H1-H0)-N1
wherein, THK1To support the height of the first structure; a is the height of the bracket relative to the bottom surface of the clamping piece; h1Window height of the first core; n is a radical of1Is the stack thickness of the first core; h0Is the height of the winding;
the second bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the second iron core, and the height of the second bearing structure is as follows:
THK2＝A-(H2-H0)-N2
wherein, THK2The height of the second bearing structure is increased; h2Window height of the second iron core; n is a radical of2Is the stack thickness of the second core.
3. The oil-filled transformer body according to claim 1, wherein the window width of the first core is larger than the window width of the second core.
4. An oil filled transformer body according to claim 3, characterized in that the supporting structure comprises a third supporting structure;
the third bearing structure is fixed on the bottom surface of the clamping piece and used for supporting the first iron core, and the height of the third bearing structure is as follows:
THK3＝A-(H1-H0)-N1
wherein, THK3The height of the supporting structure III is increased; a is the height of the bracket relative to the bottom surface of the clamping piece; h1Window height of the first core; n is a radical of1Is the stack thickness of the first core; h0Is the height of the winding;
the window height of the second iron core is as follows:
H2＝A+H0-N2
wherein H2Window height of the second iron core; n is a radical of2Is the stack thickness of the second core.
5. An oil filled transformer body according to claim 3, characterized in that the height of the winding is equal to the window height of the first core.
6. The oil-filled transformer body according to claim 1, wherein the stack thickness of the first core is equal to the stack thickness of the second core.
7. An oil filled transformer body according to claim 1, characterized in that the holding structure is shaped as a cuboid.
8. The oil-filled transformer body according to claim 1, wherein the clamping member is U-shaped and comprises a bottom plate and two vertical plates vertically fixed to two sides of the bottom plate, and the bottom plate and the vertical plates are made of stainless steel.
9. The oil-immersed transformer body according to claim 8, wherein the two supports are horizontally arranged, have the same height and are positioned at two sides of the clamping piece, and two ends of each support are respectively and fixedly connected with the outer side surfaces of the two vertical plates; the bracket is made of stainless steel, and the cross section of the bracket is in an inverted L shape.
10. The oil-filled transformer body according to claim 1, wherein the first iron core and the second iron core form a four-frame five-column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111347207.2A CN114284046A (en) | 2021-11-15 | 2021-11-15 | Oil-immersed transformer body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111347207.2A CN114284046A (en) | 2021-11-15 | 2021-11-15 | Oil-immersed transformer body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114284046A true CN114284046A (en) | 2022-04-05 |
Family
ID=80869095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111347207.2A Pending CN114284046A (en) | 2021-11-15 | 2021-11-15 | Oil-immersed transformer body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114284046A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339840A (en) * | 2008-04-28 | 2009-01-07 | 镇江天力变压器有限公司 | Elastic supporting apparatus of amorphous alloy transformer iron core |
| CN203644513U (en) * | 2013-12-11 | 2014-06-11 | 上海置信电气非晶有限公司 | Lower clamp structure for amorphous alloy dry-type transformer iron core |
| CN204257372U (en) * | 2014-12-12 | 2015-04-08 | 上海置信电气非晶有限公司 | A kind of denoising structure of amorphous alloy transformer |
| CN205406259U (en) * | 2016-03-19 | 2016-07-27 | 浙江置电非晶电气股份有限公司 | Following metallic glass transformer ware body folder device of 500kva |
| CN106252052A (en) * | 2016-09-12 | 2016-12-21 | 安泰科技股份有限公司 | A kind of Amorphous Alloy Core Transformer and assembly method thereof |
| CN109148121A (en) * | 2018-10-25 | 2019-01-04 | 无锡市电力变压器有限公司 | Solve the problems, such as the fastening structure of amorphous alloy transformer resistance to shorting |
| CN210015772U (en) * | 2019-07-23 | 2020-02-04 | 广东电网有限责任公司 | Sound insulation transformer iron core |
| CN110911122A (en) * | 2019-11-20 | 2020-03-24 | 上海置信电气非晶有限公司 | Amorphous alloy oil-immersed transformer body fixing and supporting structure |
| CN117116623A (en) * | 2023-09-07 | 2023-11-24 | 广东电网有限责任公司 | Power transformer |
-
2021
- 2021-11-15 CN CN202111347207.2A patent/CN114284046A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101339840A (en) * | 2008-04-28 | 2009-01-07 | 镇江天力变压器有限公司 | Elastic supporting apparatus of amorphous alloy transformer iron core |
| CN203644513U (en) * | 2013-12-11 | 2014-06-11 | 上海置信电气非晶有限公司 | Lower clamp structure for amorphous alloy dry-type transformer iron core |
| CN204257372U (en) * | 2014-12-12 | 2015-04-08 | 上海置信电气非晶有限公司 | A kind of denoising structure of amorphous alloy transformer |
| CN205406259U (en) * | 2016-03-19 | 2016-07-27 | 浙江置电非晶电气股份有限公司 | Following metallic glass transformer ware body folder device of 500kva |
| CN106252052A (en) * | 2016-09-12 | 2016-12-21 | 安泰科技股份有限公司 | A kind of Amorphous Alloy Core Transformer and assembly method thereof |
| CN109148121A (en) * | 2018-10-25 | 2019-01-04 | 无锡市电力变压器有限公司 | Solve the problems, such as the fastening structure of amorphous alloy transformer resistance to shorting |
| CN210015772U (en) * | 2019-07-23 | 2020-02-04 | 广东电网有限责任公司 | Sound insulation transformer iron core |
| CN110911122A (en) * | 2019-11-20 | 2020-03-24 | 上海置信电气非晶有限公司 | Amorphous alloy oil-immersed transformer body fixing and supporting structure |
| CN117116623A (en) * | 2023-09-07 | 2023-11-24 | 广东电网有限责任公司 | Power transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6453120B2 (en) | Transformer | |
| KR101455489B1 (en) | Inflow type solid wound core amorphous alloy transformer | |
| TWI625741B (en) | Transformer | |
| WO2016095125A1 (en) | Stereoscopic triangle amorphous alloy wound core transformer | |
| CN203013505U (en) | Transposed conductor creel stand | |
| WO2014066075A1 (en) | Transformer having an interlocking core frame | |
| CN114284046A (en) | Oil-immersed transformer body | |
| CN205900257U (en) | Three -dimensional assembled folder of iron core transformer of rolling up | |
| CN204981993U (en) | Three -dimensional destressing device of rolling up iron core of metallic glass | |
| CN205609349U (en) | Coil wire winding buffer | |
| CN103887045A (en) | Three-dimensional roll iron core transformer clamp | |
| CN109494054B (en) | Transformer core group fixed mounting frame | |
| CN217982989U (en) | Dry-type wound core transformer | |
| CN207165384U (en) | A kind of three dimensional wound core oil-immersed power transformer | |
| CN212676057U (en) | Transformer core structure convenient to tie up | |
| CN210052644U (en) | Winding device for producing transformer in multi-station operation | |
| CN215417811U (en) | Transformer core clamp | |
| CN204927030U (en) | Device is stepped up to transformer folder balance | |
| CN218452925U (en) | Strutting arrangement is used in titanium material processing | |
| CN201282030Y (en) | Iron-core overlap device for four-frame type five-core pole transformer | |
| CN203070920U (en) | Idler wheel type self-adapting pay-off rack | |
| CN103050236A (en) | Transformer body structure | |
| CN110136935B (en) | Novel three-dimensional wound core | |
| US20200020476A1 (en) | A pulling plate structure for a three-dimensional wound core of transformer | |
| CN204991402U (en) | Three -dimensional book of amorphous 20kV unshakable in one's determination open -type dry -type transformer unshakable in one's determination |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |