CN104465030A - Installation device and method for transformer capsule type oil conservator - Google Patents
Installation device and method for transformer capsule type oil conservator Download PDFInfo
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- CN104465030A CN104465030A CN201410816683.8A CN201410816683A CN104465030A CN 104465030 A CN104465030 A CN 104465030A CN 201410816683 A CN201410816683 A CN 201410816683A CN 104465030 A CN104465030 A CN 104465030A
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- Prior art keywords
- oil
- storage cabinet
- capsule type
- level indicator
- transformer
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- 239000002775 capsule Substances 0.000 title claims abstract description 117
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000009434 installation Methods 0.000 title claims abstract description 13
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 239000000446 fuel Substances 0.000 claims description 25
- 238000007667 floating Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 2
- 241001391944 Commicarpus scandens Species 0.000 abstract 1
- 238000011900 installation process Methods 0.000 abstract 1
- 238000010008 shearing Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an installation device and method for a transformer capsule type oil conservator. The installation device for the transformer capsule type oil conservator comprises a transformer capsule type oil conservator body, a side sealing cover, a blowing device and a vacuumizing device, wherein the transformer capsule type oil conservator body comprises an oil conservator capsule, a first oil discharge port and a second oil discharge port; the distance between the first oil discharge port and the side sealing cover is smaller than that between the second oil discharge port and the side sealing cover; a breathing port is formed in the oil conservator capsule; the blowing device is connected with the first oil discharge port; the vacuumizing device is connected with the breathing port of the oil conservator capsule. With the adoption of the technical scheme, the phenomenon that the real oil level of a transformer oil conservator cannot be displayed by an oil level gauge due to the fact that an oil level gauge connection rod is easy to break in an oil level gauge installation process in the prior art can be avoided.
Description
Technical field
The present invention relates to technical field of electricity, particularly relate to erecting device and the method for transformer capsule type oil storage cabinet oil level indicator.
Background technology
When Transformer Forced-Air Cooling System transformation, transformer oil storage overhaul or oil level indicator for oil conservator of transformer break down, all need to change oil level indicator.For using capsule type oil storage cabinet comparatively widely at present, in current technology, when installing oil level indicator, because oil conservator capsule is rendered as nature inflated condition, shape very irregular, when sealing up the side plate of oil conservator, when oil level indicator connecting rod being stretched into oil conservator inside, human eye cannot observe the situation of oil conservator inside, the drag size that the oil level indicator connecting rod that can only installation personnel be relied on to experience receives, decide the dynamics used when installing oil level indicator connecting rod, simultaneously, in order to smoothly oil level indicator connecting rod be inserted in transformer oil storage, often need repeatedly to rotate oil level indicator connecting rod up and down, to find suitable cut-in angle.
But, prior art is in the process of installing oil level indicator, oil level indicator connecting rod is easy to touch oil conservator capsule, thus be subject to the effect of axial compressive force and tangent plane direction shearing, oil level indicator connecting rod is bent, thus cause oil level indicator cannot show the phenomenon of the true oil level of transformer oil storage, namely cause the generation of false oil level.
Summary of the invention
In view of this, the invention provides a kind of erecting device and method of transformer capsule type oil storage cabinet oil level indicator, in order to avoid prior art in the process of installing oil level indicator, because oil level indicator connecting rod easily bends the phenomenon that caused oil level indicator cannot show the true oil level of transformer oil storage.
For achieving the above object, the invention provides following technical scheme:
An erecting device for transformer capsule type oil storage cabinet oil level indicator, comprising:
Transformer capsule type oil storage cabinet body and side seal cover; Described transformer capsule type oil storage cabinet body comprises oil conservator capsule, the first fuel outlet and the second fuel outlet; Distance between described first fuel outlet and described side seal cover is less than the distance between described second fuel outlet and described side seal cover; Described oil conservator capsule is provided with pneumostome;
The blowing device be connected with described first fuel outlet;
The vacuum extractor be connected with the pneumostome of described oil conservator capsule.
Preferably, also comprise:
Be arranged on the first pipeline between described first fuel outlet and described blowing device.
Preferably, described first pipeline is provided with the first valve.
Preferably, also comprise:
The second pipeline between the pneumostome being arranged on described vacuum extractor and described oil conservator capsule.
Preferably, described second pipeline is provided with the second valve.
Preferably, described blowing device is high speed blowing device.
An installation method for transformer capsule type oil storage cabinet oil level indicator, described method is applied to the erecting device of transformer capsule type oil storage cabinet oil level indicator described above, and described method comprises:
When the side seal cover of described transformer capsule type oil storage cabinet is opened, described oil conservator capsule is arranged smooth;
Open described vacuum extractor, the air in described oil conservator capsule is siphoned away, make described oil conservator capsule be flat form;
Open described blowing device, the described oil conservator capsule of flat form is held up;
The side seal cover of described transformer capsule type oil storage cabinet is installed;
By oil level indicator floating ball and oil level indicator connecting rod from the installing hole of described side seal cover, be inserted in described transformer capsule type oil storage cabinet body.
Preferably, before the side seal cover of the described transformer capsule type oil storage cabinet of described installation, also comprise:
Open described second fuel outlet on described transformer capsule type oil storage cabinet body.
Preferably, also comprise:
Remove described blowing device;
If be provided with the first pipeline between described first fuel outlet and described blowing device, remove described first pipeline.
Preferably, also comprise:
Remove described vacuum extractor;
If be provided with the second pipeline between the pneumostome of described vacuum extractor and described oil conservator capsule, remove described second pipeline.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of erecting device and method of transformer capsule type oil storage cabinet oil level indicator.Adopt technical scheme provided by the invention, when the side seal cover of described transformer capsule type oil storage cabinet is opened, described oil conservator capsule is arranged smooth, then described vacuum extractor is opened, air in described oil conservator capsule is siphoned away, described oil conservator capsule is made to be flat form, open described blowing device again, the described oil conservator capsule of flat form is held up, now, described oil conservator capsule is flat, and the inside upper surface of described transformer capsule type oil storage cabinet body is close to by wind, enough spaces are provided for installing oil level indicator, then the side seal cover of described transformer capsule type oil storage cabinet is installed, by oil level indicator floating ball and the oil level indicator connecting rod installing hole from described side seal cover, be inserted in described transformer capsule type oil storage cabinet body.Adopt technical scheme provided by the invention, the inner surface of transformer capsule type oil storage cabinet body is close to because oil conservator capsule is flat, therefore, in the process of installing oil level indicator, oil level indicator connecting rod touches oil conservator capsule hardly, make oil level indicator connecting rod can avoid the bending caused because being subject to axial compressive force and tangent plane direction shearing, thus can avoid prior art in the process of installing oil level indicator, because oil level indicator connecting rod easily bends the phenomenon that caused oil level indicator cannot show the true oil level of transformer oil storage.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The structure chart of the erecting device of a kind of transformer capsule type oil storage cabinet oil level indicator that Fig. 1 provides for the embodiment of the present invention;
The structure chart of the erecting device of another transformer capsule type oil storage cabinet oil level indicator that Fig. 2 provides for the embodiment of the present invention;
The flow chart of the installation method of a kind of transformer capsule type oil storage cabinet oil level indicator that Fig. 3 provides for the embodiment of the present invention.
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.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment one
Refer to Fig. 1, the structure chart of the erecting device of a kind of transformer capsule type oil storage cabinet oil level indicator that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the erecting device of described transformer capsule type oil storage cabinet oil level indicator comprises:
Transformer capsule type oil storage cabinet body 10 and side seal cover 20;
Described transformer capsule type oil storage cabinet body 10 comprises oil conservator capsule 101, first fuel outlet 102 and the second fuel outlet 103, distance between described first fuel outlet 102 and described side seal cover 20 is less than the distance between described second fuel outlet 103 and described side seal cover 20, and described oil conservator capsule 101 is provided with pneumostome 1011;
The blowing device 30 be connected with described first fuel outlet 102;
The vacuum extractor 40 be connected with the pneumostome 1011 of described oil conservator capsule 101.
Concrete, optionally, the erecting device of transformer capsule type oil storage cabinet oil level indicator provided by the invention, described blowing device 30 is high speed blowing device.
Refer to Fig. 2, the structure chart of the erecting device of another transformer capsule type oil storage cabinet oil level indicator that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, further, the erecting device of transformer capsule type oil storage cabinet oil level indicator provided by the invention, also comprises:
Be arranged on the first pipeline 50 between described first fuel outlet 102 and described blowing device 30.
Further, the erecting device of transformer capsule type oil storage cabinet oil level indicator provided by the invention, described first pipeline 50 is provided with the first valve 501, for opening or close described first pipeline 50.
Further, the erecting device of transformer capsule type oil storage cabinet oil level indicator provided by the invention, also comprises:
The second pipeline 60 between the pneumostome 1011 being arranged on described vacuum extractor 40 and described oil conservator capsule 101.
Further, the erecting device of transformer capsule type oil storage cabinet oil level indicator provided by the invention, described second pipeline 60 is provided with the second valve 601, for opening or close described second pipeline 60.
In order to more clearly set forth technical scheme provided by the invention, in Fig. 1 and Fig. 2 of Figure of description, also show oil level indicator body 701, ball float 702, and the oil level indicator connecting rod 703 between described oil level indicator body 701 and described ball float 702.
In order to set forth technical scheme provided by the invention in further detail, the present invention also provides the installation method of transformer capsule type oil storage cabinet oil level indicator, and described method is applied to the erecting device of the transformer capsule type oil storage cabinet oil level indicator disclosed in the invention described above embodiment.
Refer to Fig. 3, the flow chart of the installation method of a kind of transformer capsule type oil storage cabinet oil level indicator that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the method comprises:
Step S301, when the side seal cover of described transformer capsule type oil storage cabinet is opened, arranges smooth by described oil conservator capsule;
Step S302, opens described vacuum extractor, is siphoned away by the air in described oil conservator capsule, makes described oil conservator capsule be flat form;
Step S303, opens described blowing device, is held up by the described oil conservator capsule of flat form;
Concrete, wind is blown into the inside of transformer capsule type oil storage cabinet by blowing device from the first oil-out, lasting distinguished and admirablely the described oil conservator capsule of flat form can be held up.
Step S304, installs the side seal cover of described transformer capsule type oil storage cabinet;
Step S305, by oil level indicator floating ball and oil level indicator connecting rod from the installing hole of described side seal cover, is inserted in described transformer capsule type oil storage cabinet body.
Further, the installation method of the transformer capsule type oil storage cabinet oil level indicator that the embodiment of the present invention provides, before described step S304 (installing the side seal cover of described transformer capsule type oil storage cabinet), also comprises:
Open described second fuel outlet on described transformer capsule type oil storage cabinet body.Open described second fuel outlet, oil conservator body inside and outside isostasy can be guaranteed, thus after can preventing oil conservator oil level indicator from installing, the intrinsic pressure of oil conservator raises suddenly the situation of the oil conservator distortion that may cause.
Further, the installation method of the transformer capsule type oil storage cabinet oil level indicator that the embodiment of the present invention provides, also comprises:
Remove described blowing device;
If be provided with the first pipeline between described first fuel outlet and described blowing device, remove described first pipeline;
Remove described vacuum extractor;
If be provided with the second pipeline between the pneumostome of described vacuum extractor and described oil conservator capsule, remove described second pipeline.
Known via above-mentioned technical scheme, compared with prior art, the invention provides a kind of erecting device and method of transformer capsule type oil storage cabinet oil level indicator.Adopt technical scheme provided by the invention, when the side seal cover of described transformer capsule type oil storage cabinet is opened, described oil conservator capsule is arranged smooth, then described vacuum extractor is opened, air in described oil conservator capsule is siphoned away, described oil conservator capsule is made to be flat form, open described blowing device again, the described oil conservator capsule of flat form is held up, now, described oil conservator capsule is flat, and the inside upper surface of described transformer capsule type oil storage cabinet body is close to by wind, enough spaces are provided for installing oil level indicator, then the side seal cover of described transformer capsule type oil storage cabinet is installed, by oil level indicator floating ball and the oil level indicator connecting rod installing hole from described side seal cover, be inserted in described transformer capsule type oil storage cabinet body.Adopt technical scheme provided by the invention, the inner surface of transformer capsule type oil storage cabinet body is close to because oil conservator capsule is flat, therefore, in the process of installing oil level indicator, oil level indicator connecting rod touches oil conservator capsule hardly, make oil level indicator connecting rod can avoid the bending caused because being subject to axial compressive force and tangent plane direction shearing, thus can avoid prior art in the process of installing oil level indicator, because oil level indicator connecting rod easily bends the phenomenon that caused oil level indicator cannot show the true oil level of transformer oil storage.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random asccess memory (RAM), internal memory, read-only memory (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. an erecting device for transformer capsule type oil storage cabinet oil level indicator, is characterized in that, comprising:
Transformer capsule type oil storage cabinet body and side seal cover; Described transformer capsule type oil storage cabinet body comprises oil conservator capsule, the first fuel outlet and the second fuel outlet; Distance between described first fuel outlet and described side seal cover is less than the distance between described second fuel outlet and described side seal cover; Described oil conservator capsule is provided with pneumostome;
The blowing device be connected with described first fuel outlet;
The vacuum extractor be connected with the pneumostome of described oil conservator capsule.
2. the erecting device of transformer capsule type oil storage cabinet oil level indicator according to claim 1, is characterized in that, also comprise:
Be arranged on the first pipeline between described first fuel outlet and described blowing device.
3. the erecting device of transformer capsule type oil storage cabinet oil level indicator according to claim 2, is characterized in that, described first pipeline is provided with the first valve.
4. the erecting device of transformer capsule type oil storage cabinet oil level indicator according to claim 1, is characterized in that, also comprise:
The second pipeline between the pneumostome being arranged on described vacuum extractor and described oil conservator capsule.
5. the erecting device of transformer capsule type oil storage cabinet oil level indicator according to claim 4, is characterized in that, described second pipeline is provided with the second valve.
6. the erecting device of transformer capsule type oil storage cabinet oil level indicator according to claim 1, is characterized in that, described blowing device is high speed blowing device.
7. an installation method for transformer capsule type oil storage cabinet oil level indicator, is characterized in that, described method is applied to the erecting device of the transformer capsule type oil storage cabinet oil level indicator described in claim 1 ~ 6 any one, and described method comprises:
When the side seal cover of described transformer capsule type oil storage cabinet is opened, described oil conservator capsule is arranged smooth;
Open described vacuum extractor, the air in described oil conservator capsule is siphoned away, make described oil conservator capsule be flat form;
Open described blowing device, the described oil conservator capsule of flat form is held up;
The side seal cover of described transformer capsule type oil storage cabinet is installed;
By oil level indicator floating ball and oil level indicator connecting rod from the installing hole of described side seal cover, be inserted in described transformer capsule type oil storage cabinet body.
8. method according to claim 7, is characterized in that, before the side seal cover of the described transformer capsule type oil storage cabinet of described installation, also comprises:
Open described second fuel outlet on described transformer capsule type oil storage cabinet body.
9. method according to claim 7, is characterized in that, also comprises:
Remove described blowing device;
If be provided with the first pipeline between described first fuel outlet and described blowing device, remove described first pipeline.
10. method according to claim 7, is characterized in that, also comprises:
Remove described vacuum extractor;
If be provided with the second pipeline between the pneumostome of described vacuum extractor and described oil conservator capsule, remove described second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816683.8A CN104465030B (en) | 2014-12-24 | 2014-12-24 | Installation device and method for transformer capsule type oil conservator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410816683.8A CN104465030B (en) | 2014-12-24 | 2014-12-24 | Installation device and method for transformer capsule type oil conservator |
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| Publication Number | Publication Date |
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| CN104465030A true CN104465030A (en) | 2015-03-25 |
| CN104465030B CN104465030B (en) | 2017-01-11 |
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| CN201410816683.8A Active CN104465030B (en) | 2014-12-24 | 2014-12-24 | Installation device and method for transformer capsule type oil conservator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107464668A (en) * | 2017-09-26 | 2017-12-12 | 绵阳鑫阳知识产权运营有限公司 | Transformer oil storage with compared with stiff stability |
| CN107464667A (en) * | 2017-09-26 | 2017-12-12 | 绵阳鑫阳知识产权运营有限公司 | The installation for transformer that can increase the service life |
| CN108287008A (en) * | 2017-01-09 | 2018-07-17 | 沈阳市长庆电力电器有限公司 | A kind of oil level indicator floating ball |
| CN113035561A (en) * | 2020-12-07 | 2021-06-25 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0673338B2 (en) * | 1992-08-04 | 1994-09-14 | 日本工営株式会社 | Conservator oil level detector |
| CN2491951Y (en) * | 2001-06-26 | 2002-05-15 | 姜斌 | Capsule type oil storage cabinet |
| CN2812244Y (en) * | 2005-08-12 | 2006-08-30 | 特变电工沈阳变压器集团有限公司技术中心 | Totally sealed capsule type oil conservator capable of being vacuumized |
| CN201917381U (en) * | 2010-12-15 | 2011-08-03 | 天津市电力公司 | Device for correctly displaying oil level of capsule-type oil storage tank |
| CN201994161U (en) * | 2011-03-09 | 2011-09-28 | 山西太钢不锈钢股份有限公司 | Transformer oil conservator |
-
2014
- 2014-12-24 CN CN201410816683.8A patent/CN104465030B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0673338B2 (en) * | 1992-08-04 | 1994-09-14 | 日本工営株式会社 | Conservator oil level detector |
| CN2491951Y (en) * | 2001-06-26 | 2002-05-15 | 姜斌 | Capsule type oil storage cabinet |
| CN2812244Y (en) * | 2005-08-12 | 2006-08-30 | 特变电工沈阳变压器集团有限公司技术中心 | Totally sealed capsule type oil conservator capable of being vacuumized |
| CN201917381U (en) * | 2010-12-15 | 2011-08-03 | 天津市电力公司 | Device for correctly displaying oil level of capsule-type oil storage tank |
| CN201994161U (en) * | 2011-03-09 | 2011-09-28 | 山西太钢不锈钢股份有限公司 | Transformer oil conservator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287008A (en) * | 2017-01-09 | 2018-07-17 | 沈阳市长庆电力电器有限公司 | A kind of oil level indicator floating ball |
| CN107464668A (en) * | 2017-09-26 | 2017-12-12 | 绵阳鑫阳知识产权运营有限公司 | Transformer oil storage with compared with stiff stability |
| CN107464667A (en) * | 2017-09-26 | 2017-12-12 | 绵阳鑫阳知识产权运营有限公司 | The installation for transformer that can increase the service life |
| CN113035561A (en) * | 2020-12-07 | 2021-06-25 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
| CN113035561B (en) * | 2020-12-07 | 2022-11-22 | 广西电网有限责任公司电力科学研究院 | Oil pressure measurement-based transformer winding oil flow balance design method |
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| CN104465030B (en) | 2017-01-11 |
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