CN2239654Y - Dry transformer cooled by thermal pipe - Google Patents
Dry transformer cooled by thermal pipe Download PDFInfo
- Publication number
- CN2239654Y CN2239654Y CN 95241533 CN95241533U CN2239654Y CN 2239654 Y CN2239654 Y CN 2239654Y CN 95241533 CN95241533 CN 95241533 CN 95241533 U CN95241533 U CN 95241533U CN 2239654 Y CN2239654 Y CN 2239654Y
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- heat pipe
- iron core
- low
- dry
- voltage
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- Expired - Fee Related
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- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to a dry transformer cooled by a thermal pipe, which is mainly composed of an iron core, a high-voltage coil, a low-voltage coil, a solid insulator between the high-voltage coil and the low-voltage coil, the thermal pipe of the iron core, a low-voltage thermal pipe, a high-voltage thermal pipe, a cooler, an insulating pipe, a cooling medium, etc. The adoption of the highly-effective and radiating thermal pipe principle, the operating temperature rise of the transformer can be largely reduced; the magnetic flux density of the silicon-steel sheets can be improved; the designed value of the current density of the directing lines can be improved; the dosage of the silicon-steel sheets and the copper (aluminum) materials can be reduced; the diameter of the iron core pole can be reduced; the air passages of the high-voltage and the low-voltage coils can be cancelled, and the structure of the transformer is compact. The utility model has the advantages of good radiation effect, material saving, high voltage resistance strength, low manufacture cost, wide application range, etc.
Description
The utility model relates to a kind of dry-type transformer, especially relates to a kind of dry-type transformer with the heat pipe cooling.
Traditional dry-type transformer is by iron core, be enclosed within the outer low-voltage coil of iron core, high-tension coil and formed at the solid insulation between iron core and the low-voltage coil, between low-voltage coil and the high-tension coil with one heart, between iron core and the low-voltage coil, all leave airway between low-voltage coil and the high-tension coil, utilize solid and air to carry out mix insulation, the major defect of this thousand formula transformations is the relatively difficulties of dispelling the heat, the current density design load of the magnetic flux density of silicon steel sheet and lead is lower, is unfavorable for reducing the loss of electric energy; Simultaneously because the compressive resistance of air is very low, so the airway size between the high and low pressure coil must the very big purpose that just can reach abundant insulation, thereby coil and core dimensions are increased, whole volume of transformer increases, also increased the consumption of silicon steel sheet and copper (aluminium) line, so just increase the manufacturing cost of transformer, caused bigger material consumption.
Patent Office of the People's Republic of China is that CN2045887U discloses a kind of cast-type dry-type transformer with the notification number, it is that high-tension coil is cast in the pour mass, between iron core and low-voltage coil, be provided with press strip between low-voltage coil and the high-tension coil, the material of this pour mass and press strip is respectively synthetic resin and synthetic resin glass-cloth board, though it has solved the loss height of transformer to a certain extent, volume is big, problems such as poor reliability, but also exist radiating effect poor, silicon steel sheet and copper (aluminium) material use quantity is big, shortcomings such as manufacturing cost height, the essential defective in its design are the problems of unresolved transformer heat radiation.
The purpose of this utility model be a kind of good heat dissipation effect is provided in order to overcome the deficiencies in the prior art, energy loss is little, volume is little, the dry-type transformer of low cost of manufacture.
The purpose of this utility model is achieved in that a kind of dry-type transformer with the heat pipe cooling, it is by iron core and is fixed in the insulating cylinder in its outside, is enclosed within the solid insulation between the low-voltage coil of iron core outside and high-tension coil, the high and low pressure coil with one heart, iron core heat pipe, low pressure heat pipe, high pressure heat pipe and pipe joint, insulated tube, cooler and the coolant of hollow formed.
Wherein, at the cored heat pipe of the arranged outside of iron core, between iron core and low-voltage coil, be provided with the low pressure heat pipe, be provided with the high pressure heat pipe at the high-tension coil middle part, the cooler that is positioned at dry-type transformer outside is with after insulated tube links to each other, fuse and form the inner passage of annular closed by pipe joint and iron core heat pipe, low pressure heat pipe, high pressure heat pipe, coolant is filled among iron core heat pipe, low pressure heat pipe and the high pressure heat pipe;
In addition, preferably be provided with two iron core heat pipes outside the iron core of the present utility model;
Iron core heat pipe of the present utility model also can be arranged at the inside of iron core;
Coolant of the present utility model is redistilled water or ion exchange water;
The material of insulated tube of the present utility model is polytetrafluoroethylene or polystyrene;
Iron core heat pipe of the present utility model is made of chamber wall, and low pressure heat pipe and high pressure heat pipe are to be made of chamber wall and corrugated plate, and the material that constitutes chamber wall and corrugated plate is copper coin, corrosion resistant plate or aluminium sheet.
Heat radiation operation principle of the present utility model is: when dry-type transformer moves, iron core and low-voltage coil, produce a large amount of heats in the high-tension coil, make the iron core heat pipe by the heat transmission, coolant in low pressure heat pipe and the high pressure heat pipe absorbs a large amount of latent heat and vaporizes, coolant after the vaporization is through pipe joint, flow to cooler behind the insulated tube, cooler adopts self cooling, modes such as air-cooled or water-cooled are taken away the heat of liquefaction that coolant sheds, coolant becomes liquid again, and the insulated tube by the cooler other end, pipe joint is got back to the iron core heat pipe, the low pressure heat pipe, among the high pressure heat pipe, so move in circles, just can be with iron core and low-voltage coil, the a large amount of heats that produce in the high-tension coil are taken away, thereby the temperature rise of control transformer effectively, this radiating effect is than excellence conductor---silver also strong tens times and even hundred times.
The utility model is because designed the iron core heat pipe, the low pressure heat pipe, the high pressure heat pipe, the coolant that utilization has good cooling performance absorbs and release heat, the operation temperature rise of control transformer effectively, improved the load capacity of transformer, the magnetic flux density of silicon steel sheet and the current density design load of lead have also been improved, thereby can reduce the consumption of silicon steel sheet and copper (aluminium) line significantly, on the structure at height, adopt solid insulation to replace air insulation between the low-voltage coil, compared with prior art make height, size is dwindled 5 times between the low-voltage coil, the reduced 1/8～1/4 of iron core column is dwindled transformer overall dimension; In addition, transformer changes air insulation into solid insulation, dwindled the insulation size, thereby make transformer device structure compact more, the comprehensive utilization heat pipe principle has strengthened the heat-sinking capability of dry-type transformer, can reduce the production cost of dry-type transformer significantly, as produce the dry-type transformer of a 630kVA, its material-saving rate can reach more than 30%, and large-scale dry-type transformer also can improve many.
Below be the contrast table of the utility model and prior art major parameter:
Description of drawings: Fig. 1 is a front view of the present utility model;
| Product form | Magnetic flux density (T) | Current density (A/mm 2) | Average working temperature (C) | No-load loss (W) | Load loss (W) | No-load current (%) | Impedance voltage (%) | Weight (kg) | ||
| Copper cash is heavy | Silicon steel sheet is heavy | Gross weight | ||||||||
| SCR-630/10 (old) | 1.554 | ?1.8 | ?100 | 1850 | 5600 | ?1.8 | ?6 | ?661 | 1250 | 2260 |
| SRCR-630/10 (newly) | 1.7 | ?2.19 | ?100 | 1850 | 5600 | ?1.8 | ?4 | ?439 | 920 | 1560 |
Fig. 2 is a vertical view of the present utility model;
Fig. 3 is the structure chart of facing of high pressure heat pipe of the present utility model and low pressure heat pipe;
Fig. 4 is the vertical view of high pressure heat pipe of the present utility model and low pressure heat pipe;
Fig. 5 is the front view of iron core heat pipe of the present utility model;
Fig. 6 is the vertical view of iron core heat pipe of the present utility model.
The utility model comprises iron core 1, insulating cylinder 2, low pressure heat pipe 3, low-voltage coil 4, solid insulation 5, high-tension coil 6, cooler 7, high pressure heat pipe 8, coolant 9, iron core heat pipe 10, pipe joint 11, insulated tube 12, chamber wall 13 and corrugated plate 14.
Below in conjunction with drawings and Examples the utility model is further described:
A kind of dry-type transformer with the heat pipe cooling, be fixed with insulating cylinder 2 in the outside of iron core 1, after low-voltage coil 4 outer surfaces hold the 5mm solid insulation, be enclosed within the iron core outside with one heart, the high-tension coil outer surface is enclosed within low-voltage coil 4 outsides after holding the 4mm solid insulation, be close to the iron core arranged outside two iron core heat pipes 10 are arranged, between iron core 1 and low-voltage coil 4, be provided with low pressure heat pipe 3, segment section in the high-tension coil 6, placing high pressure heat pipe 8 from inboard 1/2 place, after being positioned at the external cooler of transformer 7 and the insulated tube of being made by polytetrafluoroethylene 12 linking to each other, by pipe joint 11 and iron core heat pipe 10, low pressure heat pipe 3 and high pressure heat pipe 8 fuse and form the inner passage of annular closed, coolant 9 is redistilled waters, it is filled in iron core heat pipe 10, among low pressure heat pipe 3 and the high pressure heat pipe 8, wherein the iron core heat pipe 10, low pressure heat pipe 3, chamber wall 13 and corrugated plate 14 that high pressure heat pipe 8 is made by copper coin constitute.
During the operation of this dry type transformer, at iron core 1, produce a large amount of heats in low-voltage coil 4 and the high-tension coil 6, by the heat transmission with heat transferred iron core heat pipe 10, low pressure heat pipe 3, redistilled water 9 in the high pressure heat pipe 8, make it to absorb a large amount of latent heats of vaporization and vaporize, redistilled water 9 after the vaporization is through pipe joint 11, insulated tube 12 leads to cooler 7, cooler 7 adopts self cooling mode that the heat of liquefaction that redistilled water 9 sheds is taken away, redistilled water 9 becomes liquid after the insulated tube 12 of cooler 7 other ends, pipe joint 11 is from newly getting back to iron core heat pipe 10, in low pressure heat pipe 3 and the high pressure heat pipe 8, so move in circles, the operation temperature rise of transformer is reduced significantly, thereby can improve the design load of the current density of the magnetic flux density of silicon steel sheet and lead, reduce the consumption of silicon steel sheet and copper (aluminium) line, make the transformer device structure compactness, production cost reduces, dry-type transformer as SCR-630/10-0.4kVA, save main material more than 30% than the product of existing same model, large-scale dry-type transformer also can be saved more raw material.
Claims (7)
1, a kind of dry-type transformer with the heat pipe cooling, by iron core (1) and be fixed in its outside insulating cylinder (2), be enclosed within low-voltage coil (4) and the high-tension coil (6) and the height of iron core (1) outside with one heart, solid insulation between the low-voltage coil (5) is formed, it is characterized in that the cored heat pipe of arranged outside (10) at iron core (1), between iron core (1) and low-voltage coil (4), be provided with low pressure heat pipe 13), be provided with high pressure heat pipe (8) at the middle part of high-tension coil (6), the cooler (7) that is positioned at dry-type transformer outside is with after insulated tube (12) links to each other, by pipe joint (11) and iron core heat pipe (10), low pressure heat pipe (3), high pressure heat pipe (8) fuses, and the inner passage of formation annular closed, coolant (9) is filled in iron core heat pipe (10), and low pressure heat pipe (3) is among the high pressure heat pipe (8).
2, dry-type transformer according to claim 1 is characterized in that iron core heat pipe (10) is arranged at the inside of iron core (1).
3, dry-type transformer according to claim 1 is characterized in that the arranged outside of iron core (1) has two iron core heat pipes (10).
4, dry-type transformer according to claim 1 is characterized in that coolant (9) is redistilled water or ion exchange water.
5, dry-type transformer according to claim 1, the material that it is characterized in that constituting insulated tube (12) is polytetrafluoroethylene or polystyrene.
6, dry-type transformer according to claim 1 is characterized in that iron core heat pipe (10) is made of chamber wall (13), and low pressure heat pipe (3) and high pressure heat pipe (8) are to be made of chamber wall (13) and corrugated plate (14).
7, according to right according to 6 described dry-type transformers, the material that it is characterized in that constituting chamber wall (13) and corrugated plate (14) is copper coin, corrosion resistant plate or aluminium sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95241533 CN2239654Y (en) | 1995-04-26 | 1995-04-26 | Dry transformer cooled by thermal pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95241533 CN2239654Y (en) | 1995-04-26 | 1995-04-26 | Dry transformer cooled by thermal pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2239654Y true CN2239654Y (en) | 1996-11-06 |
Family
ID=33882681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95241533 Expired - Fee Related CN2239654Y (en) | 1995-04-26 | 1995-04-26 | Dry transformer cooled by thermal pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2239654Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407343C (en) * | 2005-10-24 | 2008-07-30 | 中国科学院电工研究所 | Evaporation cooling transformer |
| CN102804293A (en) * | 2009-06-05 | 2012-11-28 | Abb技术有限公司 | Transformer coil and transformer having passive cooling |
| CN103592089A (en) * | 2012-08-15 | 2014-02-19 | 北京强度环境研究所 | Vibration table moving coil water cooling structure |
| CN103617871A (en) * | 2013-12-11 | 2014-03-05 | 株洲南车奇宏散热技术有限公司 | Method and device for cooling reactor or transformer through isolated refrigerants |
| CN103887042A (en) * | 2014-04-14 | 2014-06-25 | 汇网电气有限公司 | Cooling structure device of transformer |
| CN104183368A (en) * | 2013-05-22 | 2014-12-03 | 上海东普电器制造有限公司 | Double-water-cooling integrated temperature-reducing system for clean energy transformer |
| CN105489359A (en) * | 2016-02-02 | 2016-04-13 | 江苏盛华电气有限公司 | Oil-immersion-type testing transformer with cooling circulation structure |
| CN105489360A (en) * | 2016-02-02 | 2016-04-13 | 江苏盛华电气有限公司 | Testing transformer provided with cooling circulation structure and filled with SF6 gas |
| CN105513763A (en) * | 2016-02-02 | 2016-04-20 | 江苏盛华电气有限公司 | Transformer cooling coil structure |
| CN105513757A (en) * | 2016-02-02 | 2016-04-20 | 邓福亮 | Water cooling dry-type test transformer |
| CN109378174A (en) * | 2018-12-19 | 2019-02-22 | 合肥博微田村电气有限公司 | A kind of liquid cooling core structure of electromagnetic induction element |
| CN112562994A (en) * | 2020-12-12 | 2021-03-26 | 青岛鼎信通讯股份有限公司 | Heat pipe heat dissipation high-voltage high-frequency transformer applied to energy router |
| CN113555193A (en) * | 2020-04-26 | 2021-10-26 | 南京南瑞继保电气有限公司 | Electric reactor |
-
1995
- 1995-04-26 CN CN 95241533 patent/CN2239654Y/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100407343C (en) * | 2005-10-24 | 2008-07-30 | 中国科学院电工研究所 | Evaporation cooling transformer |
| CN102804293A (en) * | 2009-06-05 | 2012-11-28 | Abb技术有限公司 | Transformer coil and transformer having passive cooling |
| CN102804293B (en) * | 2009-06-05 | 2017-03-01 | Abb技术有限公司 | Transformer coil with passive cooling and transformator |
| CN103592089A (en) * | 2012-08-15 | 2014-02-19 | 北京强度环境研究所 | Vibration table moving coil water cooling structure |
| CN104183368A (en) * | 2013-05-22 | 2014-12-03 | 上海东普电器制造有限公司 | Double-water-cooling integrated temperature-reducing system for clean energy transformer |
| CN104183368B (en) * | 2013-05-22 | 2018-01-23 | 上海东普电器制造有限公司 | The double water cooling synthesis cooling systems of clean energy resource transformer |
| CN103617871A (en) * | 2013-12-11 | 2014-03-05 | 株洲南车奇宏散热技术有限公司 | Method and device for cooling reactor or transformer through isolated refrigerants |
| CN103887042A (en) * | 2014-04-14 | 2014-06-25 | 汇网电气有限公司 | Cooling structure device of transformer |
| CN105513763A (en) * | 2016-02-02 | 2016-04-20 | 江苏盛华电气有限公司 | Transformer cooling coil structure |
| CN105513757A (en) * | 2016-02-02 | 2016-04-20 | 邓福亮 | Water cooling dry-type test transformer |
| CN105489360A (en) * | 2016-02-02 | 2016-04-13 | 江苏盛华电气有限公司 | Testing transformer provided with cooling circulation structure and filled with SF6 gas |
| CN105513763B (en) * | 2016-02-02 | 2017-10-20 | 江苏盛华电气有限公司 | Transformer Cooling loop construction |
| CN105489360B (en) * | 2016-02-02 | 2017-12-05 | 江苏盛华电气有限公司 | SF is filled with cooling cycle structure6The testing transformer of gas |
| CN105489359A (en) * | 2016-02-02 | 2016-04-13 | 江苏盛华电气有限公司 | Oil-immersion-type testing transformer with cooling circulation structure |
| CN109378174A (en) * | 2018-12-19 | 2019-02-22 | 合肥博微田村电气有限公司 | A kind of liquid cooling core structure of electromagnetic induction element |
| CN113555193A (en) * | 2020-04-26 | 2021-10-26 | 南京南瑞继保电气有限公司 | Electric reactor |
| CN112562994A (en) * | 2020-12-12 | 2021-03-26 | 青岛鼎信通讯股份有限公司 | Heat pipe heat dissipation high-voltage high-frequency transformer applied to energy router |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |