CN202917289U - Cooling system of transformer - Google Patents
Cooling system of transformer Download PDFInfo
- Publication number
- CN202917289U CN202917289U CN 201220604825 CN201220604825U CN202917289U CN 202917289 U CN202917289 U CN 202917289U CN 201220604825 CN201220604825 CN 201220604825 CN 201220604825 U CN201220604825 U CN 201220604825U CN 202917289 U CN202917289 U CN 202917289U
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- Prior art keywords
- cooling system
- pressure winding
- air
- transformer
- blower fan
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Abstract
The utility model discloses a cooling system of a transformer. The transformer comprises an iron core, a low-voltage winding and a high-voltage winding. The cooling system comprises an air source and an air flue, wherein the air flue is arranged in an inter-turn layer of the low-voltage winding and/or the high-voltage winding, and air flow of the air source passes through the air flue. Through the design of the air flue, namely an insulation strip is added in the inter-turn layer of the windings, a power source transformer enables the air among the layers to be ventilated.
Description
Technical field
The utility model relates to a kind of cooling system, particularly relates to a kind of cooling system of transformer.
Background technology
Power transformer comprises iron core, low pressure winding and high pressure winding, the general high voltage winding current is little, generate heat little, and heat is mainly produced by unshakable in one's determination and low pressure winding, the automatically controlled power transformer of frame water spray is because load (weft accumulator motor) impulse current is excessive at present, cause the winding inter-turn temperature rise too high, insulation breakdown, cause winding interturn short-circuit, its short circuit current can increase by tens times, produces hard arc, make the turn-to-turn insulation heavy damage, finally cause power transformer to burn, failure rate is high, can not satisfy the continuous operating condition of power transformer stable state.
The utility model content
For addressing the above problem, the utility model provides a kind of cooling system of the transformer that can better control the temperature of power transformer.
The technical solution of the utility model is as follows: a kind of cooling system of transformer, described transformer comprises iron core, low pressure winding and high pressure winding, described cooling system comprises wind regime and air channel, described air channel is located in the turn-to-turn layer of described low pressure winding and/or high pressure winding, and the air-flow of described wind regime is by described air channel.
Preferably, described cooling system also comprises fan housing, and described fan housing is provided with air inlet and air outlet, is provided with blower fan between described air outlet and the wind passage mouth, and described air inlet, air channel and air outlet form a gas flow loop.
Preferably, also be provided with the blower fan bearing part in the described fan housing, described blower fan is located on the described blower fan bearing part.
Preferably, described air channel is insulating stay, and described insulating stay is parallel to the axis of described iron core to be located in described low pressure winding and/or the high pressure winding inter-turn layer, and the air-flow of described wind regime is by the axial cavity of described insulating stay.
Preferably, described insulating stay is at least one.
Preferably, described cooling system also comprises automatic control equipment, the described blower fan of described automatic control equipment control connection.
Preferably, the focus place of described low pressure winding and/or high pressure winding is embedded with thermocouple, and described thermocouple is electrically connected described automatic control equipment.
Preferably, described automatic control equipment also is electrically connected with warning device.
Adopt the beneficial effect of above technical scheme: one, transformer is by the design air channel, and namely the winding turns interbed increases insulating stay, allows interlayer air circulate; Two, the focus place of low pressure winding buries thermocouple underground, makes temperature can access monitoring at the operating display of automatic control equipment, and blower fan is received intelligent starting behind the signal, begins transformer is carried out cooling processing, until satisfy normal temperature rise; Three, surpass rated temperature-rise when thermocouple, can report to the police.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic cross-section of low pressure winding unshakable in one's determination among the cooling system embodiment 1 of the disclosed transformer of the utility model;
Fig. 2 is the schematic cross-section of high pressure winding unshakable in one's determination among the cooling system embodiment 1 of the disclosed transformer of the utility model;
Fig. 3 is the structural representation of transformer among the cooling system embodiment 1 of the disclosed transformer of the utility model.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
1. winding 11. low pressure windings 12. high pressure windings 2. insulating stays 3. fan housings 31. air inlets 32. air outlets 4. blower fans 41. blower fan bearing parts 5. thermocouples 51. lead-out wires 52. binding posts 6. automatic control equipments unshakable in one's determination.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1
Referring to Fig. 1, shown in legend wherein, a kind of cooling system of transformer, transformer comprise an iron core 1, a low pressure winding 2 and a high pressure winding 3, and cooling system comprises:
The wind regime (not shown);
Some air channels are insulating stay 4, and insulating stay 4 is parallel to the axis of iron core 1 to be located in low pressure winding 2 and/or the high pressure winding 3 turn-to-turn layers, and the air-flow of wind regime is by the axial cavity of insulating stay 4;
Fan housing 5 is provided with air inlet 51 and air outlet 52, is provided with blower fan 6 and blower fan bearing part 61 between the axial cavity mouth of air outlet 52 and insulating stay 4, and blower fan 6 is located on the blower fan bearing part 61; The axial cavity of air inlet 51, insulating stay 4 and air outlet 52 form a gas flow loop;
Thermocouple 7 is embedded in the focus place of low pressure winding 2 and/or high pressure winding 3;
Automatic control equipment 8 is by binding post 72 and lead-out wire 71 electric-connection thermal galvanic couples 7 and control connection blower fan 6;
The warning device (not shown) is electrically connected control device 8.
The below introduces operation principle of the present utility model.
The thermocouple 4 that is embedded in the focus place of low pressure winding 2 and/or high pressure winding 3 is responded to the temperature of low pressure winding 2 and/or high pressure winding 3 at any time, when temperature is higher than rated temperature-rise, temperature is in the demonstration screen display of automatic control equipment 8, and make automatic control equipment 8 intelligent starting blower fans 6,6 pairs of low pressure windings 2 of blower fan and/or high pressure winding 3 cool off, until satisfy normal temperature rise, and simultaneously, automatic control equipment 8 intelligent starting warning devices are reported to the police, until satisfy normal temperature rise.
Embodiment 2
All the other are identical with described embodiment 1, and difference is, cooling system does not comprise warning device.
All the other are identical with described embodiment 2, and difference is, cooling system does not comprise automatic control equipment.
Embodiment 4
All the other are identical with described embodiment 3, and difference is, cooling system does not comprise thermocouple.
Embodiment 5
All the other are identical with described embodiment 4, and difference is, cooling system does not comprise fan housing.
Adopt the beneficial effect of above technical scheme: one, power transformer passes through the design air channel, and namely the winding turns interbed increases insulation title bar, allows interlayer air circulate; Two, the focus place of low pressure winding buries thermocouple underground, makes temperature can access monitoring at the operating display of automatic control equipment, and blower fan is received intelligent starting behind the signal, begins transformer is carried out cooling processing, until satisfy normal temperature rise; Three, surpass rated temperature-rise when thermocouple, can report to the police.
More than be the description to the utility model embodiment, by the above-mentioned explanation to the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, in other embodiments realization.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (8)
1. the cooling system of a transformer, described transformer comprises iron core, low pressure winding and high pressure winding, it is characterized in that, described cooling system comprises wind regime and air channel, described air channel is located in the turn-to-turn layer of described low pressure winding and/or high pressure winding, and the air-flow of described wind regime is by described air channel.
2. cooling system according to claim 1, it is characterized in that, described cooling system also comprises fan housing, and described fan housing is provided with air inlet and air outlet, be provided with blower fan between described air outlet and the wind passage mouth, described air inlet, air channel and air outlet form a gas flow loop.
3. cooling system according to claim 2 is characterized in that, also is provided with the blower fan bearing part in the described fan housing, and described blower fan is located on the described blower fan bearing part.
4. according to claim 2 or 3 described cooling systems, it is characterized in that, described air channel is insulating stay, and described insulating stay is parallel to the axis of described iron core to be located in described low pressure winding and/or the high pressure winding inter-turn layer, and the air-flow of described wind regime is by the axial cavity of described insulating stay.
5. cooling system according to claim 4 is characterized in that, described insulating stay is at least one.
6. cooling system according to claim 5 is characterized in that, described cooling system also comprises automatic control equipment, the described blower fan of described automatic control equipment control connection.
7. cooling system according to claim 6 is characterized in that, the focus place of described low pressure winding and/or high pressure winding is embedded with thermocouple, and described thermocouple is electrically connected described automatic control equipment.
8. cooling system according to claim 7 is characterized in that, described automatic control equipment also is electrically connected with warning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604825 CN202917289U (en) | 2012-11-16 | 2012-11-16 | Cooling system of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220604825 CN202917289U (en) | 2012-11-16 | 2012-11-16 | Cooling system of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202917289U true CN202917289U (en) | 2013-05-01 |
Family
ID=48165577
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220604825 Expired - Lifetime CN202917289U (en) | 2012-11-16 | 2012-11-16 | Cooling system of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202917289U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824676A (en) * | 2012-11-16 | 2014-05-28 | 苏州御能动力科技有限公司 | Cooling system of transformer and cooling method adopting cooling system |
| CN103887042A (en) * | 2014-04-14 | 2014-06-25 | 汇网电气有限公司 | Cooling structure device of transformer |
| CN103943315A (en) * | 2014-04-14 | 2014-07-23 | 汇网电气有限公司 | Dry type transformer capable of conducting efficient cooling |
-
2012
- 2012-11-16 CN CN 201220604825 patent/CN202917289U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103824676A (en) * | 2012-11-16 | 2014-05-28 | 苏州御能动力科技有限公司 | Cooling system of transformer and cooling method adopting cooling system |
| CN103824676B (en) * | 2012-11-16 | 2016-05-04 | 上海英威腾工业技术有限公司 | A kind of cooling system of transformer and adopt the cooling means of this cooling system |
| CN103887042A (en) * | 2014-04-14 | 2014-06-25 | 汇网电气有限公司 | Cooling structure device of transformer |
| CN103943315A (en) * | 2014-04-14 | 2014-07-23 | 汇网电气有限公司 | Dry type transformer capable of conducting efficient cooling |
| CN103943315B (en) * | 2014-04-14 | 2016-04-06 | 汇网电气有限公司 | A kind of dry-type transformer of temperature with high efficiency |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: INVT INDUSTRIAL TECHNOLOGY (SHANGHAI) CO., LTD. Free format text: FORMER OWNER: SHANGHAI YUNENG POWER TECHNOLOGIES, LNC. Effective date: 20150831 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150831 Address after: 200120 Shanghai Guo Shou Jing Road, Zhangjiang High Tech Park of Pudong New Area No. 351 Building No. 2 room 690-8 Patentee after: INVT INDUSTRIAL TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: Suzhou City, Jiangsu province 215000 high tech Industrial Development Zone of Suzhou science and Technology City kolding Road No. 78 Patentee before: Suzhou Kinway Technologies Inc. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130501 |
|
| CX01 | Expiry of patent term |