CN201311827Y - Low-voltage coil for dry-type transformer - Google Patents
Low-voltage coil for dry-type transformer Download PDFInfo
- Publication number
- CN201311827Y CN201311827Y CNU2008202021604U CN200820202160U CN201311827Y CN 201311827 Y CN201311827 Y CN 201311827Y CN U2008202021604 U CNU2008202021604 U CN U2008202021604U CN 200820202160 U CN200820202160 U CN 200820202160U CN 201311827 Y CN201311827 Y CN 201311827Y
- Authority
- CN
- China
- Prior art keywords
- low
- voltage coil
- coil
- type transformer
- heat radiation
- 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.)
- Expired - Fee Related
Links
- 230000005855 radiation Effects 0.000 claims abstract description 17
- 206010022000 influenza Diseases 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 7
- 230000009466 transformation Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Images
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to a low-voltage coil for a dry-type transformer, belonging to the field of power transformation or power distribution, in particular to an improved structure of a low-voltage coil heat radiation air channel. The dry-type transformer comprises a coil and an iron core. The coil and the iron core are fixed via a clamping piece and a pulling plate, the coil has a high-voltage coil and a low-voltage coil, and more than 10 heat radiation air channels are uniformly arranged on the low-voltage coil along the circumferential direction at intervals. The low-voltage coil has a simple structure, improves the strength of the low-voltage coil, and can bear higher radial electromotive power. Meanwhile, the heat radiation conditions are improved so that the heat can radiate more rapidly.
Description
Technical field
The utility model low-voltage coil of dry type transformer belongs to electric power power transformation or distribution field, particularly relates to a kind of improvement structure of low-voltage coil heat radiation air flue.
Background technology
The voltage of low-voltage coil of dry type transformer is low, electric current is big, adopts paper tinsel around (Copper Foil or aluminium foil coiling) structure mostly, because low-voltage coil is between iron core and the high-tension coil, its radiating condition is relatively poor, therefore generally the heat radiation air flue need be set at low-voltage coil.A kind of is in the low-voltage coil winding process, adopts insulating material to be made as clamp bar, and certain intervals is placed a clamp bar, and clamp bar does not take out, and plays and supports and fixing effect, and form the heat radiation air flue., fixes clamp bar discontinuity or when the energising operation, low-voltage coil is subjected to radially electrodynamic effect, easily causes clamp bar to come off during as coiling because being the tensile force that produces when the low-voltage coil coiling.Another kind is that low-voltage coil adopts 3～4 shaping materials, after coil winding is fixing shaping material is extracted out, form the heat radiation air flue, this structure makes the intensity of low-voltage coil relatively poor, can not bear bigger radially electric power, have influence on the life-span of low-voltage coil of dry type transformer, bring loss to the user.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art, and a kind of intensity that improves low-voltage coil is provided, and can bear bigger radially electric power, and air passage structure is cellular-shaped simultaneously, makes heat distribute low-voltage coil of dry type transformer more fully.
The purpose of this utility model reaches by following measure, dry-type transformer is made up of coil and iron core two large divisions, coil and iron core are fixed by folder and arm-tie, coil is divided into high-tension coil and low-voltage coil, at the heat radiation air flue that along the circumferential direction evenly is provided with at interval on the low-voltage coil more than 10, during making, adopt polytetrafluoroethylmaterial material to make the air flue bar of constant slope, be placed on one by one in the winding process and offer on the mould at interval, coil forms with the epoxy resin integral cast, behind the coil cast cured explosive air flue bar is extracted.Owing to be that a plurality of heat radiation air flue of quantity along the circumferential direction evenly is set at interval, some muscle on low-voltage coil, have been formed, the intensity of low-voltage coil is improved, can play the effect of reinforcement, avoided forming because of the heat radiation air flue is few than the phenomenon that weakens low-voltage coil intensity that large space caused.
The quantity of the heat radiation air flue that the utility model along the circumferential direction evenly at interval is provided with on low-voltage coil can be selected according to the size of low-voltage coil, comparative optimization be to adopt 20～30 heat radiation air flues.
The utility model is simple in structure, and the intensity of low-voltage coil is improved, and can bear bigger radially electric power, has improved radiating condition simultaneously, and heat is drained quickly.
Description of drawings
Accompanying drawing 1 is the utility model embodiment dry-type transformer structural representation.
Accompanying drawing 2 is the utility model embodiment dry-type transformer structural representations.
Accompanying drawing 3 is low-voltage coil structural representations of the present utility model.
Accompanying drawing 4 is B-B generalized sections of accompanying drawing 3.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Shown in accompanying drawing 1, accompanying drawing 2, dry-type transformer is made up of coil 2 and iron core 1 two large divisions, coil and iron core are fixed by folder and arm-tie, coil is divided into high-tension coil and low-voltage coil, heat radiation air flue along the circumferential direction evenly being provided with at interval on the low-voltage coil more than 10 is improved the intensity of low-voltage coil, can bear bigger radially electric power, improved radiating condition simultaneously, heat is drained quickly.
Shown in accompanying drawing 3, accompanying drawing 4, the utility model along the circumferential direction evenly is provided with 28 heat radiation air flues 6 at interval on low-voltage coil 5.Adopt polytetrafluoroethylmaterial material to make the air flue bar of constant slope, be placed on one by one in the winding process and offer on the mould at interval, low-voltage coil forms with the epoxy resin integral cast, behind the coil cast cured explosive air flue bar is extracted.Owing to be that a plurality of heat radiation air flue of quantity along the circumferential direction evenly is set at interval, on low-voltage coil, form some reinforcements 4, the intensity of low-voltage coil is improved, can bear bigger radially electric power, improved radiating condition simultaneously, heat is drained quickly.
Claims (2)
1, a kind of low-voltage coil of dry type transformer is characterized in that at the heat radiation air flue that along the circumferential direction evenly is provided with at interval on the low-voltage coil more than 10.
2, low-voltage coil of dry type transformer according to claim 1 is characterized in that preferably 20～30 heat radiation air flues.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202021604U CN201311827Y (en) | 2008-10-16 | 2008-10-16 | Low-voltage coil for dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202021604U CN201311827Y (en) | 2008-10-16 | 2008-10-16 | Low-voltage coil for dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311827Y true CN201311827Y (en) | 2009-09-16 |
Family
ID=41109084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202021604U Expired - Fee Related CN201311827Y (en) | 2008-10-16 | 2008-10-16 | Low-voltage coil for dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201311827Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360924A (en) * | 2011-08-01 | 2012-02-22 | 保定天威集团有限公司 | Air duct structure for cast coil and manufacturing method for air duct structure |
| CN114709071A (en) * | 2022-04-20 | 2022-07-05 | 嘉兴市建诚电器有限公司 | High-pressure air flue strip, production device and process thereof |
-
2008
- 2008-10-16 CN CNU2008202021604U patent/CN201311827Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102360924A (en) * | 2011-08-01 | 2012-02-22 | 保定天威集团有限公司 | Air duct structure for cast coil and manufacturing method for air duct structure |
| CN102360924B (en) * | 2011-08-01 | 2013-01-09 | 保定天威集团有限公司 | Air duct structure for cast coil and manufacturing method for air duct structure |
| CN114709071A (en) * | 2022-04-20 | 2022-07-05 | 嘉兴市建诚电器有限公司 | High-pressure air flue strip, production device and process thereof |
| CN114709071B (en) * | 2022-04-20 | 2023-09-22 | 嘉兴市建诚电器有限公司 | High-pressure gas channel strip, production device and process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Dropping-proof hook for low-voltage coil of dry type transformer Effective date of registration: 20130715 Granted publication date: 20090916 Pledgee: Guangzhou Panyu Xinhua Village bank Limited by Share Ltd Pledgor: Guangzhou Junfa Electric Co.,Ltd. Registration number: 2013990000457 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20140303 Granted publication date: 20090916 Pledgee: Guangzhou Panyu Xinhua Village bank Limited by Share Ltd Pledgor: Guangzhou Junfa Electric Co.,Ltd. Registration number: 2013990000457 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: GUANGZHOU CSR JUNFA ELECTRIC CO., LTD. Free format text: FORMER OWNER: GUANGZHOU JUNFA ELECTRIC CO., LTD. Effective date: 20150515 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 511400 GUANGZHOU, GUANGDONG PROVINCE TO: 511447 GUANGZHOU, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150515 Address after: Huashan road Panyu District town Guangzhou city Guangdong province 511447 stone floor No. 15 (C workshop) Patentee after: South, Guangzhou Che Junfa Electric Applicance Co., Ltd Address before: 511400 Guangdong city of Guangzhou province Panyu District City Bridge Street South Street No. 3 Patentee before: Guangzhou Junfa Electric Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Huashan road Panyu District town Guangzhou city Guangdong province 511447 stone floor No. 15 (C workshop) Patentee after: Guangzhou Zhongche Junfa Electrical Co. Ltd. Address before: Huashan road Panyu District town Guangzhou city Guangdong province 511447 stone floor No. 15 (C workshop) Patentee before: South, Guangzhou Che Junfa Electric Applicance Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090916 Termination date: 20171016 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |