CN105244144A - Minitype combined type oil conservator for omniseal oil-immersed transformer - Google Patents
Minitype combined type oil conservator for omniseal oil-immersed transformer Download PDFInfo
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- CN105244144A CN105244144A CN201510806238.8A CN201510806238A CN105244144A CN 105244144 A CN105244144 A CN 105244144A CN 201510806238 A CN201510806238 A CN 201510806238A CN 105244144 A CN105244144 A CN 105244144A
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- oil
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- transformer tank
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- combined type
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Abstract
The invention discloses a minitype combined type oil conservator for an omniseal oil-immersed transformer. The minitype combined type oil conservator comprises a transformer tank, wherein the transformer tank comprises a transformer tank cover and a transformer tank wall, the top of the transformer tank wall is fixedly connected with the transformer tank cover, a through hole communicated with the interior of the transformer tank is formed in the upper surface of the transformer tank cover, a minitype oil conservator body is fixedly installed in the through hole, an inlet matched with the through hole of the transformer tank is formed in the bottom of the minitype oil conservator body, and an inner cavity of the minitype oil conservator body is communicated with the inner cavity of the transformer tank through the through hole and the inlet. By arranging a pressure relief valve, oil pressure can be adjusted more conveniently, and the transformer tank is safer. A tubular oil level indicator is arranged to enable oil level to be displayed more conveniently. The minitype oil conservator body is arranged to reduce the influence of the volume change of oil on the transformer tank, so that the transformer tank is used more conveniently and more safely.
Description
Technical field
The present invention relates to oil conservator technical field, be specially the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer.
Background technology
In current full-enclosed distribution transformer, capacity more than 800kVA capital configure dedicated oil conservator.Common oil conservator makes cylindrical shape by roll of steel plate, and with the side of stent support at transformer box cover, is innerly connected with oil tank body by a bend pipe, and outside is communicated with air by dehydrating breather.Fuel feeding valve is arranged at oil conservator top, and oil level gauge is also equipped with to observe the height of pasta in side, when causing low on fuel due to reasons such as seepages, is supplemented from the timely oiling of fuel feeding valve.
The shortcoming of common oil conservator is that volume is large, thus causes transformer whole volume to increase, waste raw material; Secondly profile unsightly.So existing distribution transforming product lacks miniature combined type oil conservator that is a kind of not only attractive in appearance but also that be suitable for.
Hermetically sealed oil immersed type 10kV630kVA transformer generally adopts corrugated tank, do not configure special oil conservator, the corrugated tank coefficient of expansion is limited, under normal temperature normality, there is certain gap between device body and fuel tank case lid, the existence in this gap causes certain hidden danger to the safe operation of transformer.
And Full-enclosed oil-immersed transformer in the market, in use, due to the change of transformer tank internal pressure, be easy to make transformer tank inside occur safety problem, and transformer tank in use, the volume of oil can change along with the change of temperature, has an impact, the safety of transformer tank cannot be protected to transformer tank.
Summary of the invention
The object of the present invention is to provide the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme: the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer, comprise transformer tank, described transformer tank comprises transformer box cover and transformer box wall, the top of described transformer box wall is fixedly connected with transformer box cover, the through hole communicated with transformer tank inside is offered at the upper surface of transformer box cover, at through hole internal fixtion, miniature oil storage cabinet is installed, the bottom of described miniature oil storage cabinet offers the entrance suitable with the through hole of transformer tank, and the inner chamber of miniature oil storage cabinet is by the intracavity inter-connection of through hole and entrance and transformer tank, pipe type oil-level gauge is inlaid with at the outer surface of miniature oil storage cabinet, the top of miniature oil storage cabinet offers installing hole, pressure relief valve is connected with at installing hole internal thread.
Preferably, described pipe type oil-level gauge comprises upper cover, lower cover and seamless steel pipe, and described upper cover and lower cover are fixedly mounted on top and the bottom of seamless steel pipe respectively.
Preferably, the surface of described seamless steel pipe is embedded with form.
Preferably, the surface of described seamless steel pipe is also provided with metering scale, and metering scale is also positioned at the side of form.
Preferably, the top of described pressure relief valve is provided with outlet, is provided with flange base in the bottom of pressure relief valve.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention is by arranging pressure relief valve, reaches and automatically opens and discharge the effect of oil pressure, when transformer oil pressure in transformer-cabinet exceedes setting numerical value, can automatically open release oil pressure, avoid casing to occur dangerous, device is used safer.
2, the present invention is by arranging pipe type oil-level gauge, oil level is shown definitely, makes observation oil level convenient, reach the effect showing real-time oil level, ensure that the safety of transformer tank inside.
3, the present invention is by arranging miniature oil storage cabinet, reaches and decreases oily change in volume to the impact of transformer tank, also makes transformer reduce oil and the contact area of air simultaneously, ensure that the safety of transformer tank inside.
4, the present invention is by arranging pressure relief valve, oil pressure is regulated convenient, make transformer tank safer, pipe type oil-level gauge is set, make display oil level convenient, miniature oil storage cabinet is set, decrease the change in volume of oil to the impact of transformer tank, transformer tank is used convenient, safer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is pipe type oil-level gauge structural representation of the present invention.
In figure: 1 transformer tank, 11 transformer box covers, 12 transformer box walls, 2 miniature oil storage cabinets, 3 pipe type oil-level gauges, 31 upper covers, 32 lower covers, 33 seamless steel pipes, 4 pressure relief valves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1-2, the invention provides a kind of technical scheme: the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer, comprise transformer tank 1, transformer oil is filled with at transformer tank 1, transformer tank 1 is made up of transformer box cover 11 and transformer box wall 12, the top of transformer box wall 12 is fixedly connected with transformer box cover 11, the through hole communicated with transformer tank 1 inside is offered at the upper surface of transformer box cover 11, at through hole internal fixtion, miniature oil storage cabinet 2 is installed, miniature oil storage cabinet 2 is set, reach and decrease oily change in volume to the impact of transformer tank 1, also make transformer reduce the contact area of oil and air simultaneously, ensure that the safety of transformer tank 1 inside, when the volume of transformer oil is along with the temperature expansion of transformer oil or when reducing, miniature oil storage cabinet 2 plays oil storage or repairing, ensure to be full of oil in transformer tank 1, also reduce the contact area of oil and air simultaneously, the degradation speed of oil can be reduced, the inner chamber of miniature oil storage cabinet 2 and the intracavity inter-connection of transformer tank 1, pipe type oil-level gauge 3 is inlaid with at the outer surface of miniature oil storage cabinet 2, pipe type oil-level gauge 3 is set, oil level is shown definitely, make observation oil level convenient, reach the effect showing real-time oil level, ensure that the safety of transformer tank 1 inside, pipe type oil-level gauge 3 comprises upper cover 31, lower cover 32 and seamless steel pipe 33, the surface of seamless steel pipe 33 offers groove, and be provided with form in groove, the outer surface of seamless steel pipe 33 is also provided with metering scale, and metering scale is also positioned at the side of form, upper cover 31 and lower cover 32 are fixedly mounted on top and the bottom of seamless steel pipe 33 respectively, installing hole is offered at the top of miniature oil storage cabinet 3, pressure relief valve 4 is connected with at installing hole internal thread, when transformer oil pressure in transformer tank 1 exceedes setting numerical value, can automatically open release oil pressure, casing is avoided to explode, pressure relief valve 4 is set, reach and automatically open and discharge the effect of oil pressure, when transformer oil pressure in transformer tank 1 exceedes setting numerical value, can automatically open release oil pressure, transformer tank 1 is avoided to occur danger, device is used safer, the top of described pressure relief valve 4 is provided with outlet, in the bottom of pressure relief valve 4, flange base is installed, pressure relief valve 4 is installed by flange base, install more firm, and it is easier for installation.
Operation principle: when Full-enclosed oil-immersed transformer uses with miniature combined type oil conservator, when the oil pressure of transformer tank 1 inside is more than a threshold value, pressure relief valve 4 can be opened automatically, carry out pressure release, the pressure of transformer tank 1 inside is reduced, ensure the safety of transformer tank 1, when the volume of the transformer oil of transformer tank 1 inside increases along with temperature, transformer oil can enter miniature oil storage cabinet 2 from transformer tank 1, ensure that the safety of transformer tank 1 inside, when needing the oil level checking transformer tank 1, pipe type oil-level gauge 3 can be used to check.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalents thereof.
Claims (5)
1. the miniature combined type oil conservator of Full-enclosed oil-immersed transformer, comprise transformer tank (1), it is characterized in that: described transformer tank (1) comprises transformer box cover (11) and transformer box wall (12), the top of described transformer box wall (12) is fixedly connected with transformer box cover (11), the through hole communicated with transformer tank (1) inside is offered at the upper surface of transformer box cover (11), at through hole internal fixtion, miniature oil storage cabinet (2) is installed, the bottom of described miniature oil storage cabinet (2) offers the entrance suitable with the through hole of transformer tank (1), and the inner chamber of miniature oil storage cabinet (2) is by the intracavity inter-connection of through hole and entrance and transformer tank (1), be inlaid with pipe type oil-level gauge (3) at the outer surface of miniature oil storage cabinet (2), offer installing hole at the top of miniature oil storage cabinet (3), be connected with pressure relief valve (4) at installing hole internal thread.
2. the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer according to claim 1, it is characterized in that: described pipe type oil-level gauge (3) comprises upper cover (31), lower cover (32) and seamless steel pipe (33), described upper cover (31) and lower cover (32) are fixedly mounted on top and the bottom of seamless steel pipe (33) respectively.
3. the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer according to claim 4, is characterized in that: the outer surface of described seamless steel pipe (33) is embedded with form.
4. the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer according to claim 4, is characterized in that: the surface of described seamless steel pipe (33) is also provided with metering scale, and metering scale is also positioned at the side of form.
5. the miniature combined type oil conservator of a kind of Full-enclosed oil-immersed transformer according to claim 1, is characterized in that: the top of described pressure relief valve (4) is provided with outlet, is provided with flange base in the bottom of pressure relief valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510806238.8A CN105244144A (en) | 2015-11-20 | 2015-11-20 | Minitype combined type oil conservator for omniseal oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510806238.8A CN105244144A (en) | 2015-11-20 | 2015-11-20 | Minitype combined type oil conservator for omniseal oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105244144A true CN105244144A (en) | 2016-01-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510806238.8A Pending CN105244144A (en) | 2015-11-20 | 2015-11-20 | Minitype combined type oil conservator for omniseal oil-immersed transformer |
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| CN (1) | CN105244144A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597777A (en) * | 2018-05-24 | 2018-09-28 | 河南森源电气股份有限公司 | Oil-immersed transformer and its oil conservater |
| CN114242394A (en) * | 2022-02-16 | 2022-03-25 | 贵州电网有限责任公司 | Join in marriage and become tank-type oil storage pressure release indicator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105747U (en) * | 1991-08-12 | 1992-05-27 | 李仁善 | No oil pillow high voltage test transformer |
| JPH05283240A (en) * | 1992-04-01 | 1993-10-29 | Toshiba Corp | Oil-filled transformer |
| CN202141498U (en) * | 2011-07-18 | 2012-02-08 | 广东中鹏电气有限公司 | Transformer oil level gauge |
| CN202149803U (en) * | 2011-07-04 | 2012-02-22 | 广州一变电气设备有限公司 | Novel oil level gauge of oil immersed transformer |
| US20140305201A1 (en) * | 2013-04-12 | 2014-10-16 | Joe David Watson | Electronic liquid level sensing device and gauge for liquid-immersed power transformers, reactors and similar equipment |
| CN205122340U (en) * | 2015-11-20 | 2016-03-30 | 济南清河电气有限公司 | Totally enclosed oil -immersed transformer stores up oil tank with miniature combined type |
-
2015
- 2015-11-20 CN CN201510806238.8A patent/CN105244144A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2105747U (en) * | 1991-08-12 | 1992-05-27 | 李仁善 | No oil pillow high voltage test transformer |
| JPH05283240A (en) * | 1992-04-01 | 1993-10-29 | Toshiba Corp | Oil-filled transformer |
| CN202149803U (en) * | 2011-07-04 | 2012-02-22 | 广州一变电气设备有限公司 | Novel oil level gauge of oil immersed transformer |
| CN202141498U (en) * | 2011-07-18 | 2012-02-08 | 广东中鹏电气有限公司 | Transformer oil level gauge |
| US20140305201A1 (en) * | 2013-04-12 | 2014-10-16 | Joe David Watson | Electronic liquid level sensing device and gauge for liquid-immersed power transformers, reactors and similar equipment |
| CN205122340U (en) * | 2015-11-20 | 2016-03-30 | 济南清河电气有限公司 | Totally enclosed oil -immersed transformer stores up oil tank with miniature combined type |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108597777A (en) * | 2018-05-24 | 2018-09-28 | 河南森源电气股份有限公司 | Oil-immersed transformer and its oil conservater |
| CN114242394A (en) * | 2022-02-16 | 2022-03-25 | 贵州电网有限责任公司 | Join in marriage and become tank-type oil storage pressure release indicator |
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| C06 | Publication | ||
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Application publication date: 20160113 |