CN203311986U - Oil-immersed transformer - Google Patents
Oil-immersed transformer Download PDFInfo
- Publication number
- CN203311986U CN203311986U CN2013203613107U CN201320361310U CN203311986U CN 203311986 U CN203311986 U CN 203311986U CN 2013203613107 U CN2013203613107 U CN 2013203613107U CN 201320361310 U CN201320361310 U CN 201320361310U CN 203311986 U CN203311986 U CN 203311986U
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- Prior art keywords
- oil
- transformer
- fuel tank
- sac
- oil tank
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Abstract
The utility model discloses an oil-immersed transformer. The key points of the technical scheme are that the transformer comprises a hermetically arranged oil tank, and an iron core and a coil which are arranged in the oil tank; the oil tank is filled with transformer oil; the iron core and the coil are immersed in the transformer oil; a sealed decompression chamber is arranged on one side of the oil tank; an elastic oil sac capable of accommodating transformer oil and communicated with the oil tank is arranged in the decompression chamber; inert gas is filled between the elastic oil sac and the decompression chamber; a ripple radiating fin is arranged on the outer side of the oil tank; a sealing piece is arranged at the connecting part of the elastic oil sac and the oil tank; both the elastic oil sac and the sealing piece are made of oil resistant material; shock-absorbing cushions are arranged at the bottom of the oil tank. The oil-immersed transformer does not need an oil conservator, can solve the problem of size change due to the thermal expansion of the transformer oil, effectively improves the pressure regulation ability of the inner transformer oil, reduces the production cost, improves the safety performance of the product, and prolongs the service life.
Description
Technical field
The utility model relates to a kind of transformer, is specifically related to a kind of oil-filled transformer.
Background technology
Oil-filled transformer generally includes fuel tank and is immersed in the device body of transformer oil and conservator etc., and the conservator of transformer is general all above transformer body, utilizes constantly fuel feeding of deadweight.Along with oily temperature expansion or while reducing, conservator plays adjusting oil mass, guarantees frequent oil-overflow effect in oil tank of transformer when the volume of transformer oil., along with pasta fluctuates, air is from the case lid seam, discharging and inspiration with the transformer of conservator, and, because the upper strata oil temperature is very high, makes the very fast oxidation of oil and make moist, and affects the performance of transformer, the reduction transformer life.In addition, conservator also has cost high, and the shortcomings such as inconvenient are installed.
A kind of oil-filled transformer has appearred in the market, comprise fuel tank and device body, the device body comprises iron core and around the coil on iron core, transformer oil is housed in fuel tank, the device body is immersed in transformer oil, the side of fuel tank is provided with gasbag chamber, gasbag chamber communicates with fuel tank, in gasbag chamber, be provided with air bag, in air bag, seal and be provided with gas, by the air bag of gasbag chamber, automatically regulate the pressure of transformer oil, reduce conservator, yet when oil-filled transformer moves, because in fuel tank, temperature raises, transformer oil expands, meanwhile the gas in air bag is subject to the also expansion thereupon of impact of transformer oil temperature, the ability that makes air bag regulate pressure descends, can not well solve the problem that transformer oil expands, when oil pressure is too high, even can bring potential safety hazard.
The utility model content
Deficiency for the prior art existence, the utility model provides a kind of oil-filled transformer, this oil-filled transformer does not need conservator, can solve the change in volume problem that transformer oil expands with heat and contract with cold and causes, effectively improved the pressure regulating power of its internal transformer oil, reduce production costs, improve the security performance of product, extend its useful life.
For achieving the above object, the utility model provides following technical scheme: a kind of oil-filled transformer, comprise the fuel tank that sealing arranges and be arranged on iron core and the coil in fuel tank, in described fuel tank, transformer oil is housed, described iron core and coil are immersed in transformer oil, described fuel tank one side arranges Packed pressure-reducing chamber, in described pressure-reducing chamber, is provided with the elasticity oil sac of the held transformer oil communicated with fuel tank, is full of inert gas between described elasticity oil sac and pressure-reducing chamber.
By adopting technique scheme, fuel tank one side arranges Packed pressure-reducing chamber, in pressure-reducing chamber, be provided with the elasticity oil sac of the held transformer oil communicated with fuel tank, utilize the coefficient of expansion of transformer oil and the flexible adjustment ability of elasticity oil sac to play the effect that pressure is regulated automatically, when transformer oil produces temperature rise because of the equipment operation, the pressure of transformer oil increases, and after expanding, unnecessary transformer oil flows to the elasticity oil sac, and the pressure by transformer oil struts the elasticity oil sac; When transformer oil temperature reduces, when pressure reduced, the elasticity oil sac shrank by the elastic potential energy of self, and unnecessary transformer oil is squeezed to the oil return case, plays the function of automatic Regulation; Between elasticity oil sac and pressure-reducing chamber, be full of inert gas simultaneously; play the effect of safeguard protection; even oil leakage phenomenon appears in the elasticity oil sac; inert gas also can effectively prevent the transformer oil seepage and the security incident that causes, and this oil-filled transformer does not need conservator, can solve the change in volume problem that transformer oil expands with heat and contract with cold and causes; effectively improved the pressure regulating power of its internal transformer oil; reduce production costs, improve the security performance of product, extend its useful life.
The utility model further is set to, and described fuel tank arranged outside has corrugate fin.
By adopting technique scheme, the fuel tank arranged outside has corrugate fin, and fuel tank is no longer single dispelling the heat by fuel tank shell, and corrugate fin has increased the area of dissipation of fuel tank, has improved its radiating mode, has effectively improved the heat-sinking capability of fuel tank.
The utility model further is set to, and the junction of described elasticity oil sac and fuel tank is provided with seal.
By adopting technique scheme, the junction of elasticity oil sac and fuel tank is provided with seal, has strengthened the sealing effectiveness of elasticity oil sac and fuel tank, avoids the junction seepage of transformer oil from elasticity oil sac and fuel tank.
The utility model further is set to, and described elasticity oil sac and seal are made by the oil resistance material.
By adopting technique scheme, elasticity oil sac and seal are made by the oil resistance material, prevent that elasticity oil sac and seal are subject to the corrosion of transformer oil.
The utility model further is set to, and described fuel tank bottom is provided with beam.
By adopting technique scheme, the fuel tank bottom is provided with beam, the vibrations of generation while effectively reducing the transformer operation, the noise produced because of vibrations during the operation of minimizing equipment, the serviceability of enhancing equipment.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model oil-filled transformer.
Reference numeral: 1, fuel tank; 2, pressure-reducing chamber; 3, elasticity oil sac; 4, inert gas; 5, corrugate fin; 6, beam.
Embodiment
With reference to Fig. 1, the utility model oil-filled transformer embodiment is described further.
A kind of oil-filled transformer, comprise the fuel tank 1 that sealing arranges and be arranged on iron core and the coil in fuel tank 1, in fuel tank 1, transformer oil is housed, iron core and coil are immersed in transformer oil, fuel tank 1 one sides arrange Packed pressure-reducing chamber 2, in pressure-reducing chamber 2, be provided with the elasticity oil sac 3 of the held transformer oil communicated with fuel tank 1, be full of inert gas 4 between elasticity oil sac 3 and pressure-reducing chamber 2.
By adopting technique scheme, fuel tank 1 one sides arrange Packed pressure-reducing chamber 2, in pressure-reducing chamber 2, be provided with the elasticity oil sac 3 of the held transformer oil communicated with fuel tank 1, utilize the coefficient of expansion of transformer oil and the flexible adjustment ability of elasticity oil sac 3 to play the effect that pressure is regulated automatically, when transformer oil produces temperature rise because of the equipment operation, the pressure of transformer oil increases, and after expanding, unnecessary transformer oil flows to elasticity oil sac 3, and the pressure by transformer oil struts elasticity oil sac 3; When transformer oil temperature reduces, when pressure reduced, elasticity oil sac 3 shrank by the elastic potential energy of self, and unnecessary transformer oil is squeezed to oil return case 1, plays the function of automatic Regulation; Between elasticity oil sac 3 and pressure-reducing chamber 2, be full of inert gas 4 simultaneously; play the effect of safeguard protection; even oil leakage phenomenon appears in elasticity oil sac 3; inert gas 4 also can effectively prevent the transformer oil seepage and the security incident that causes, and this oil-filled transformer does not need conservator, can solve the change in volume problem that transformer oil expands with heat and contract with cold and causes; effectively improved the pressure regulating power of its internal transformer oil; reduce production costs, improve the security performance of product, extend its useful life.
Described fuel tank 1 arranged outside has corrugate fin 5.
By adopting technique scheme, fuel tank 1 arranged outside has corrugate fin 5, and fuel tank 1 is no longer that single fuel tank 1 housing that passes through dispels the heat, and corrugate fin 5 has increased the area of dissipation of fuel tank 1, improve its radiating mode, effectively improved the heat-sinking capability of fuel tank 1.
Described elasticity oil sac 3 is provided with seal with the junction of fuel tank 1.
By adopting technique scheme, elasticity oil sac 3 is provided with seal with the junction of fuel tank 1, has strengthened the sealing effectiveness of elasticity oil sac 3 and fuel tank 1, avoids transformer oil from the junction seepage of elasticity oil sac 3 with fuel tank 1.
Described elasticity oil sac 3 and seal are made by the oil resistance material.
By adopting technique scheme, elasticity oil sac 3 and seal are made by the oil resistance material, prevent that elasticity oil sac 3 and seal are subject to the corrosion of transformer oil.
Described fuel tank 1 bottom is provided with beam 6.
By adopting technique scheme, fuel tank 1 bottom is provided with beam 6, the vibrations of generation while effectively reducing the transformer operation, the noise produced because of vibrations during the operation of minimizing equipment, the serviceability of enhancing equipment.
The above is only preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. oil-filled transformer, comprise the fuel tank that sealing arranges and be arranged on iron core and the coil in fuel tank, in described fuel tank, transformer oil is housed, described iron core and coil are immersed in transformer oil, it is characterized in that: described fuel tank one side arranges Packed pressure-reducing chamber, in described pressure-reducing chamber, be provided with the elasticity oil sac of the held transformer oil communicated with fuel tank, be full of inert gas between described elasticity oil sac and pressure-reducing chamber.
2. a kind of oil-filled transformer according to claim 1, it is characterized in that: described fuel tank arranged outside has corrugate fin.
3. a kind of oil-filled transformer according to claim 2, it is characterized in that: the junction of described elasticity oil sac and fuel tank is provided with seal.
4. a kind of oil-filled transformer according to claim 3, it is characterized in that: described elasticity oil sac and seal are made by the oil resistance material.
5. according to claim 1 or 2 or 3 or 4 described a kind of oil-filled transformers, it is characterized in that: described fuel tank bottom is provided with beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203613107U CN203311986U (en) | 2013-06-21 | 2013-06-21 | Oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203613107U CN203311986U (en) | 2013-06-21 | 2013-06-21 | Oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203311986U true CN203311986U (en) | 2013-11-27 |
Family
ID=49618177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203613107U Expired - Fee Related CN203311986U (en) | 2013-06-21 | 2013-06-21 | Oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203311986U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971886A (en) * | 2014-04-22 | 2014-08-06 | 韩宝华 | Insulating oil volume compensation device system for oil immersed electrical device |
| CN105742025A (en) * | 2014-12-09 | 2016-07-06 | Koc电气股份有限公司 | Transformer |
| CN106024311A (en) * | 2016-08-03 | 2016-10-12 | 南通晓星变压器有限公司 | Oil-immersed type transformer |
| CN109741910A (en) * | 2018-11-30 | 2019-05-10 | 西门子变压器（武汉）有限公司 | Power transformer, mobile substation and repair method |
| CN109802488A (en) * | 2019-01-23 | 2019-05-24 | 蓉中电气股份有限公司 | A kind of Intelligent remote monitoring system of transformer |
| CN113077968A (en) * | 2021-03-25 | 2021-07-06 | 陕西理工大学 | Electric automatic voltage regulating transformer |
-
2013
- 2013-06-21 CN CN2013203613107U patent/CN203311986U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971886A (en) * | 2014-04-22 | 2014-08-06 | 韩宝华 | Insulating oil volume compensation device system for oil immersed electrical device |
| CN105742025A (en) * | 2014-12-09 | 2016-07-06 | Koc电气股份有限公司 | Transformer |
| CN106024311A (en) * | 2016-08-03 | 2016-10-12 | 南通晓星变压器有限公司 | Oil-immersed type transformer |
| CN109741910A (en) * | 2018-11-30 | 2019-05-10 | 西门子变压器（武汉）有限公司 | Power transformer, mobile substation and repair method |
| CN109802488A (en) * | 2019-01-23 | 2019-05-24 | 蓉中电气股份有限公司 | A kind of Intelligent remote monitoring system of transformer |
| CN109802488B (en) * | 2019-01-23 | 2020-11-24 | 蓉中电气股份有限公司 | Remote intelligent monitoring system of transformer |
| CN113077968A (en) * | 2021-03-25 | 2021-07-06 | 陕西理工大学 | Electric automatic voltage regulating transformer |
| CN113077968B (en) * | 2021-03-25 | 2022-11-22 | 陕西理工大学 | Electric automatic voltage regulating transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131127 Termination date: 20150621 |
|
| EXPY | Termination of patent right or utility model |