CN205159048U - Oil -immersed transformer - Google Patents
Oil -immersed transformer Download PDFInfo
- Publication number
- CN205159048U CN205159048U CN201520962359.7U CN201520962359U CN205159048U CN 205159048 U CN205159048 U CN 205159048U CN 201520962359 U CN201520962359 U CN 201520962359U CN 205159048 U CN205159048 U CN 205159048U
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- Prior art keywords
- oil
- conservator
- filled transformer
- fuel tank
- pipe
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Abstract
The utility model provides an oil -immersed transformer, oil -immersed transformer includes: the oil tank, be equipped with potential device in the oil tank, the conservator, the conservator passes through the bent pipe and links to each other with the oil tank, the respiratory tube, oil pipe is put to notes, notes are put oil pipe and are installed on the conservator, the blow -off pipe, the blow -off pipe is located the top of oil tank, be equipped with the gassing valve on the blow -off pipe, the blow off pipe, the blow off pipe is located the bottom of oil tank, be equipped with the blowdown valve on the blow off pipe, the explosion stack, the explosion stack links to each other with the oil tank, filter equipment, filter equipment locates on the bent pipe, filter equipment comprises filter screen, first drain and second drain, the filter screen install in on the bent pipe, first drain and second drain are located respectively the both sides of filter screen. The utility model discloses can provide one kind can carry out two -way filtration, the oil -immersed transformer who has explosion -proof function simultaneously.
Description
Technical field
The utility model relates to high-low pressure converting equipment field, particularly relates to a kind of oil-filled transformer.
Background technology
Existing oil level indicator is directly communicated with this conservator, and oil level indicator is located at outside conservator, impurity or moisture easily mix the oil in conservator by the oil of oil level indicator, thus the oil in conservator is polluted, oil transportation is carried out by same petroleum pipeline between conservator and fuel tank, in conservator, contaminated oil will enter fuel tank by this petroleum pipeline, thus pollute the oil in fuel tank further.For addressing this problem, Chinese patent CN201420407059.8 discloses novel oil-filled transformer, comprises conservator, fuel tank, oil level indicating device, filter, in line check valve and oil outlet one-way valve; The lower end of conservator offers oil-in and oil-out; Fuel tank offers oil-in and oil-out, the oil-out of fuel tank is communicated with this conservator by a petroleum pipeline with this in line check valve; The oil-out of fuel tank is communicated with this conservator by another petroleum pipeline, this filter with this oil outlet one-way valve.This utility model is by being provided with in line check valve and oil outlet one-way valve carries out twice unidirectional filtration, and there is baroque problem, meanwhile, this utility model does not consider explosion-proof problem.
Therefore, based on these problems, provide one to carry out bi-directional filtered, the oil-filled transformer simultaneously with explosion prevention function has important practical significance.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides one to carry out bi-directional filtered, has the oil-filled transformer of explosion prevention function simultaneously.
The utility model solves its technical problem and takes following technical scheme to realize:
A kind of oil-filled transformer, described oil-filled transformer comprises:
Fuel tank, is provided with potential device in described fuel tank;
Conservator, described conservator is connected with fuel tank by swan-neck, and the top of described conservator is provided with air relief cock, and the bottom of described conservator is provided with drain plug;
Respiratory siphon, described respiratory siphon one end is connected with described conservator, and the other end is connected with dehydrating breather;
Note drain line, described note drain line is installed on described conservator;
Bleeder pipe, the top of described fuel tank is located at by described bleeder pipe, and described bleeder pipe is provided with venting valve;
Blowdown pipe, the bottom of described fuel tank is located at by described blowdown pipe, and described blowdown pipe is provided with sewage draining valve;
Explosion stack, described explosion stack is connected with fuel tank;
Filter, described filter is located on described swan-neck, described filter is made up of screen pack, the first sewage draining exit and the second sewage draining exit, and described screen pack is installed on described swan-neck, and described first sewage draining exit and the second sewage draining exit lay respectively at the both sides of described screen pack.
In above-mentioned oil-filled transformer, further, the swan-neck at described screen pack place is provided with downward projection, and described first sewage draining exit and the second sewage draining exit are located in described projection.
In above-mentioned oil-filled transformer, further, described explosion stack is connected with described fuel tank by movable joint or chuck.
In above-mentioned oil-filled transformer, further, described explosion stack is provided with two burst disk, and described burst disk is flexibly connected with described explosion stack, and is fixed by spring, is provided with the stator that can bear certain pressure between two described burst disk.
In above-mentioned oil-filled transformer, further, the volume of described conservator is the 8%-10% of volume of fuel tank.
In above-mentioned oil-filled transformer, further, the side of described conservator is provided with oil level indicator.
In above-mentioned oil-filled transformer, further, described swan-neck is provided with Buchholz relay, and described Buchholz relay is connected with the total lock of transformer.
In above-mentioned oil-filled transformer, further, described oil-filled transformer is also provided with pressure relief valve, and described pressure relief valve is located on described conservator.
In above-mentioned oil-filled transformer, further, described oil-filled transformer is also provided with attemperating unit.
In above-mentioned oil-filled transformer, further, described attemperating unit comprises temperature sensor and digital-controlled instrument, and described temperature sensor is located at the inside of described fuel tank and is connected with the total lock of described digital-controlled instrument and transformer respectively.
Advantage of the present utility model and good effect are:
1, the utility model is provided with screen pack, and the first sewage draining exit and the second sewage draining exit lay respectively at the both sides of screen pack, the aperture of screen pack can be adopted to be less than the diameter of impurity on the one hand, directly filter, on the other hand, also the diameter of aperture slightly larger than impurity of screen pack can be made, collided by screen pack and impurity, reduce owing to being made impurity flow velocity by collision, play and promote that impurity falls the effect near screen pack, thus prevent impurity from mutually being polluted by swan-neck, further, the swan-neck at screen pack place is provided with downward projection, on the one hand owing to adding caliber, play the effect of the flow velocity reducing oil, advantageously carry out sedimentation in impurity, on the other hand, flow blind angle is formed in protruding, also effectively prevent and drive impurity to move due to the flowing of oil.
2, the utility model is provided with explosion stack; when transformer runs into fault and makes the oil in fuel tank gasify in a large number; explosion stack can play the effect of pressure release; avoid the generation of explosion accident; further; as required, the protection pressure of explosion stack can be set by changing the bearing pressure of stator.
3, the utility model is by being provided with oil level indicator, can observe the oil level height of conservator, meanwhile, by being provided with Buchholz relay, when swan-neck internal cause tank pressure suddenly increases and produces the surging of oil, plays the effect of protection by transformer tripping operation.
4, the utility model is by being provided with pressure relief valve, when the pressure in conservator increases suddenly, can be exhausted by pressure relief valve, thus play Quick air-discharge and protect the effect that conservator internal pressure is stable, prevents conservator from blasting because pressure increases.
5, the utility model is by being provided with attemperating unit, thus can understand the temperature conditions of cabinet fuel tank in time, meanwhile, when the temperature of oil exceeds normal value in fuel tank, is played the effect of protection by transformer tripping operation.
Accompanying drawing explanation
Below with reference to drawings and Examples, the technical solution of the utility model is described in further detail, but it should be known that these accompanying drawings only design, therefore not as the restriction of the utility model scope for task of explanation.In addition, unless otherwise indicated, these accompanying drawings are only intended to conceptually illustrate that structure described herein constructs, and unnecessaryly draw to scale.
Fig. 1 is the structural representation of oil-filled transformer of the present utility model;
Fig. 2 is the structural representation of explosion stack of the present utility model;
Fig. 3 is the control system connection diagram of oil-filled transformer of the present utility model.
In figure:
1. fuel tank, 2. potential device, 3. conservator, 4. swan-neck, 5. air relief cock, 6. drain plug, 7. respiratory siphon, 8. dehydrating breather, 9. note drain line, 10. bleeder pipe, 11. venting valves, 12. blowdown pipes, 13. sewage draining valves, 14. explosion stacks, 15. screen packs, 16. first sewage draining exits, 17. second sewage draining exits, 18. is protruding, 19. movable joints or chuck, 20. burst disk, 21. springs, 22. stators, 23. oil level indicators, 24. Buchholz relays, the total lock of 25. transformer, 26. pressure relief valves, 27. temperature sensors, 28. digital-controlled instruments.
Embodiment
First, it should be noted that, to illustrate concrete structure, the feature and advantage etc. of oil-filled transformer of the present utility model by way of example below, but all descriptions are only used to be described, and should be understood as any restriction is formed to the utility model.In addition, described or implicit any single technical characteristic in each embodiment mentioned by herein, or be shown or implicit any single technical characteristic in the drawings and in which, still can between these technical characteristics (or its equivalent), proceed combination in any or delete, thus obtain other embodiments of the present utility model more that may directly do not mention in this article.In addition, in order to simplify for the purpose of drawing, identical or similar technical characteristic may only indicate at a place in the same figure.
To understand, when it is said parts be ' attach ' to another parts time, it can be directly connected to another parts maybe can exist intermediate member.On the contrary, when it is said parts " directly connect " to another parts, then represent to there is not intermediate member.
Fig. 1 gives the structural representation of oil-filled transformer of the present utility model, and the structural representation of explosion stack of the present utility model is shown by Fig. 2, and by the control system connection diagram that Fig. 3 shows oil-filled transformer of the present utility model, illustrate the utility model with regard to composition graphs 1 to Fig. 3 below.
As Figure 1-3, a kind of oil-filled transformer, described oil-filled transformer comprises: fuel tank 1, is provided with potential device 2 in described fuel tank 1; Conservator 3, described conservator 3 is connected with fuel tank 1 by swan-neck 4, and the top of described conservator 3 is provided with air relief cock 5, and the bottom of described conservator 3 is provided with drain plug 6; Respiratory siphon 7, described respiratory siphon 7 one end is connected with described conservator 3, and the other end is connected with dehydrating breather 8; Note drain line 9, described note drain line 9 is installed on described conservator 3; Bleeder pipe 10, the top of described fuel tank 1 is located at by described bleeder pipe 10, and described bleeder pipe 10 is provided with venting valve 11; Blowdown pipe 12, the bottom of described fuel tank 1 is located at by described blowdown pipe 12, and described blowdown pipe 12 is provided with sewage draining valve 13; Explosion stack 14, described explosion stack 14 is connected with fuel tank 1; Filter, described filter is located on described swan-neck 4, described filter is made up of screen pack 15, first sewage draining exit 16 and the second sewage draining exit 17, described screen pack 15 is installed on described swan-neck 4, and described first sewage draining exit 16 and the second sewage draining exit 17 lay respectively at the both sides of described screen pack 15.
Further, can also consider in the utility model, the swan-neck 4 at described screen pack 15 place is provided with downward projection 18, and described first sewage draining exit 16 and the second sewage draining exit 17 are located in described projection 18.
It is pointed out that described explosion stack 14 is connected with described fuel tank 1 by movable joint or chuck 19, when needs are changed and keep in repair explosion stack 14, undertaken changing and keeping in repair by dismounting movable joint or chuck 19.
The utility model is provided with screen pack 15, and the first sewage draining exit 16 and the second sewage draining exit 17 lay respectively at the both sides of screen pack 15, the aperture of screen pack 15 can be adopted to be less than the diameter of impurity on the one hand, directly filter, on the other hand, also the diameter of aperture slightly larger than impurity of screen pack 15 can be made, collided by screen pack 15 and impurity, reduce owing to being made impurity flow velocity by collision, play and promote that impurity falls the effect near screen pack 15, thus prevent impurity from mutually being polluted by swan-neck 4, further, the swan-neck 4 at screen pack 15 place is provided with downward projection 18, on the one hand owing to adding caliber, play the effect of the flow velocity reducing oil, advantageously carry out sedimentation in impurity, on the other hand, flow blind angle is formed in protruding 18, also effectively prevent and drive impurity to move due to the flowing of oil.
Further, can also consider in the utility model, described explosion stack 14 is provided with two burst disk 20, and described burst disk 20 is flexibly connected with described explosion stack 14, and be fixed by spring 21, be provided with the stator 22 that can bear certain pressure between two described burst disk 20.
The utility model is provided with explosion stack 14; when transformer runs into fault and makes the oil in fuel tank 1 gasify in a large number; explosion stack 14 can play the effect of pressure release; avoid the generation of explosion accident; further; as required, the protection pressure of explosion stack 14 can be set by changing the bearing pressure of stator 22.
It is pointed out that the volume of described conservator 3 is the 8%-10% of fuel tank 1 volume.
Further, can also consider in the utility model, the side of described conservator 3 is provided with oil level indicator 23, can observe the height of oil level.
Further; can also consider in the utility model; described swan-neck 4 is provided with Buchholz relay 24; described Buchholz relay 24 is connected with the total lock 25 of transformer; when swan-neck 4 internal cause fuel tank 1 internal pressure suddenly increases and produces the surging of oil, play the effect of proterctive equipment by transformer tripping operation.
In other embodiment of the present utility model, the configuration of freedom and flexibility can also be carried out for described oil-filled transformer, technical advantage of the present utility model can be given full play of.Just illustrative explanation is carried out to this below.
Such as; in certain embodiments; can consider to be provided with pressure relief valve 26 on described oil-filled transformer; described pressure relief valve 26 is located on described conservator 3; when the pressure in conservator 3 increases suddenly; can be exhausted by pressure relief valve 26, thus play Quick air-discharge and protect the effect that conservator 3 internal pressure is stable, prevent conservator 3 from blasting because pressure increases.
For another example, in certain embodiments, can consider also to be provided with attemperating unit at described oil-filled transformer.
It is pointed out that described attemperating unit comprises temperature sensor 27 and digital-controlled instrument 28, described temperature sensor 27 is located at the inside of described fuel tank 1 and is connected with the total lock 25 of described digital-controlled instrument 28 and transformer respectively.Thus the temperature conditions of cabinet fuel tank 1 can be understood in time, meanwhile, when the temperature of oil exceeds normal value in fuel tank 1, played the effect of protection by transformer tripping operation, also can add temperature-adjusting device in the present embodiment and do further optimization.
In sum, it is bi-directional filtered that the utility model can provide one to carry out, and has the oil-filled transformer of explosion prevention function simultaneously.
Above embodiment has been described in detail the utility model, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (10)
1. an oil-filled transformer, is characterized in that: described oil-filled transformer comprises:
Fuel tank, is provided with potential device in described fuel tank;
Conservator, described conservator is connected with fuel tank by swan-neck, and the top of described conservator is provided with air relief cock, and the bottom of described conservator is provided with drain plug;
Respiratory siphon, described respiratory siphon one end is connected with described conservator, and the other end is connected with dehydrating breather;
Note drain line, described note drain line is installed on described conservator;
Bleeder pipe, the top of described fuel tank is located at by described bleeder pipe, and described bleeder pipe is provided with venting valve;
Blowdown pipe, the bottom of described fuel tank is located at by described blowdown pipe, and described blowdown pipe is provided with sewage draining valve;
Explosion stack, described explosion stack is connected with fuel tank;
Filter, described filter is located on described swan-neck, described filter is made up of screen pack, the first sewage draining exit and the second sewage draining exit, and described screen pack is installed on described swan-neck, and described first sewage draining exit and the second sewage draining exit lay respectively at the both sides of described screen pack.
2. oil-filled transformer according to claim 1, is characterized in that: the swan-neck at described screen pack place is provided with downward projection, and described first sewage draining exit and the second sewage draining exit are located in described projection.
3. oil-filled transformer according to claim 2, is characterized in that: described explosion stack is connected with described fuel tank by movable joint or chuck.
4. oil-filled transformer according to claim 1, it is characterized in that: described explosion stack is provided with two burst disk, described burst disk is flexibly connected with described explosion stack, and is fixed by spring, is provided with the stator that can bear certain pressure between two described burst disk.
5. oil-filled transformer according to claim 1, is characterized in that: the volume of described conservator is the 8%-10% of volume of fuel tank.
6. the oil-filled transformer according to any one of claim 1-4, is characterized in that: the side of described conservator is provided with oil level indicator.
7. the oil-filled transformer according to any one of claim 1-4, is characterized in that: described swan-neck is provided with Buchholz relay, and described Buchholz relay is connected with the total lock of transformer.
8. the oil-filled transformer according to any one of claim 1-4, is characterized in that: described oil-filled transformer is also provided with pressure relief valve, and described pressure relief valve is located on described conservator.
9. the oil-filled transformer according to any one of claim 1-4, is characterized in that: described oil-filled transformer is also provided with attemperating unit.
10. oil-filled transformer according to claim 9, is characterized in that: described attemperating unit comprises temperature sensor and digital-controlled instrument, and described temperature sensor is located at the inside of described fuel tank and is connected with the total lock of described digital-controlled instrument and transformer respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962359.7U CN205159048U (en) | 2015-11-26 | 2015-11-26 | Oil -immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520962359.7U CN205159048U (en) | 2015-11-26 | 2015-11-26 | Oil -immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205159048U true CN205159048U (en) | 2016-04-13 |
Family
ID=55694714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520962359.7U Expired - Fee Related CN205159048U (en) | 2015-11-26 | 2015-11-26 | Oil -immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205159048U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424763A (en) * | 2017-09-26 | 2017-12-01 | 洛阳市星合特种变压器有限公司 | A kind of easy-to-dismount installation for transformer |
| CN107481841A (en) * | 2017-09-26 | 2017-12-15 | 洛阳市星合特种变压器有限公司 | A kind of installation for transformer |
| CN112781905A (en) * | 2020-12-31 | 2021-05-11 | 北京中瑞和电气有限公司 | Arc discharge explosion-proof test device in transformer oil |
-
2015
- 2015-11-26 CN CN201520962359.7U patent/CN205159048U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107424763A (en) * | 2017-09-26 | 2017-12-01 | 洛阳市星合特种变压器有限公司 | A kind of easy-to-dismount installation for transformer |
| CN107481841A (en) * | 2017-09-26 | 2017-12-15 | 洛阳市星合特种变压器有限公司 | A kind of installation for transformer |
| CN107481841B (en) * | 2017-09-26 | 2023-05-23 | 洛阳市星合特种变压器有限公司 | Transformer oil pillow |
| CN112781905A (en) * | 2020-12-31 | 2021-05-11 | 北京中瑞和电气有限公司 | Arc discharge explosion-proof test device in transformer oil |
| CN112781905B (en) * | 2020-12-31 | 2022-12-16 | 北京中瑞和电气有限公司 | Arc discharge explosion-proof test device in transformer oil |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20171126 |