CN201294138Y - Combined metal corrugated oil conservator - Google Patents
Combined metal corrugated oil conservator Download PDFInfo
- Publication number
- CN201294138Y CN201294138Y CNU2008201590152U CN200820159015U CN201294138Y CN 201294138 Y CN201294138 Y CN 201294138Y CN U2008201590152 U CNU2008201590152 U CN U2008201590152U CN 200820159015 U CN200820159015 U CN 200820159015U CN 201294138 Y CN201294138 Y CN 201294138Y
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- CN
- China
- Prior art keywords
- oil
- core body
- metal corrugated
- casing
- oil storage
- Prior art date
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- Expired - Fee Related
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Abstract
A combined type metal corrugated oil conservator is composed of an oil storage tank and metal corrugated core bodies, wherein each metal corrugated core body is hung on a fixed mount on the top portion of the oil storage tank body, each metal corrugated core body is an independent sealed individual, wherein a metal corrugated body can be composed of one or a plurality of corrugated core bodies through connection in series according to the requirements, the core body is of stainless steel material, and the specific shape of the oil storage tank can be determined according to the number and volume of the metal corrugated bodies. A tank oil inlet pipeline is connected with a transformer, and each elastic corrugated body is communicated with each other through an air guide pipeline, and is communicated with atmosphere through a moisture absorber. The metal corrugated core body can compress and expand according to the increase or decrease of oil amount entering into the oil storage tank body, and a core body protection valve can automatically discharge oil and relieve pressure when the oil storage tank is measured overloaded, thereby prompting watches to deal with in time, and protecting the normal operation of the transformer.
Description
Technical field
The utility model relates to a kind of oil conservator that is used for transformer, relates in particular to a kind of vertical outer oily combined metal bellow oil conservator.
Background technology
Oil conservator is a container that communicates with oil tank of transformer that is provided with for the change in volume that adapts in the oil tank of transformer.Its effect is compensator transformer oil expands or shrink generation because of variation of temperature a volume-variation, and when the transformer oil heat expansion, oil flows to oil conservator by fuel tank; When the transformer oil shrinkage, oil flows to fuel tank by oil conservator.It is applicable to oil-immersed power transformer and other power equipments, is the indispensable significant components of transformer.
The known transformer oil conservator has: open type oil conservator, capsule-type or diaphragm type storage oil cabinet, metal bellow expansion oil storage tank, oily vertical oil conservator and outer oily horizontal oil conservator in wherein metal bellow expansion oil storage tank can be divided into again by its structure.The open type oil conservator is generally made tubular by iron plate, transformer oil communicates with ambient atmosphere, owing to do not isolate outside air, oil moisture-sensitive during operation, easily oxidation of oil in the long-time running, easily aged deterioration, air content easily increase, safe, reliable to transformer like this, economical operation causes very big threat; These two kinds of oil conservators of capsule-type or diaphragm type storage oil cabinet are inwall and contact with oil, outer wall communicates with atmosphere, capsule and barrier film are all easily aging, be full of cracks, during installation capsule and barrier film damage easily, breakage, make airborne water and rainwater be easy to enter in the oil, cause oily water content to increase, insulation descends, the oil dielectric loss increases, oil degenerates, and jeopardizes security of operation.Occurred utilizing corrugated stainless steel tubing to do novel oil conservator---the metal bellow expansion oil storage tank of volume compensation assembly in recent years, owing to make the volume compensation assembly with stainless steel material, life-span is long, non-maintaining, really realized the hermetically sealed of transformer, reduce unnecessary frequency of power cut and the operation and maintenance cost of electric power system effectively, improved operational reliability and economic benefit.But metal bellow expansion oil storage tank also exists problems, takes up room greatly as bellow oil conservator, and the cubage compensation amount is little, lightning-arrest rain poor performance etc.The patent No. 98237895.5, the bellow oil conservator of a kind of interior oily vertical structure of announcement, it is big to take up room, and the easy dewfall of shell is got rusty; The bellow oil conservator of the outer oily horizontal type structure that patent No. 94112410.X announces produces false oil level, and easy clamping stagnation during transverse movement causes defectives such as gas action.
The utility model content
The utility model purpose is: at the defective of prior art, the utility model provides a kind of vertical outer oily combined metal bellow oil conservator.
For achieving the above object; the technical scheme that the utility model proposes is: a kind of combined metal bellow oil conservator; it is characterized in that: it comprises sealing oil storage casing (9); the interior elastic corrugated core body (4) that hangs; there is wireway (11) to communicate between two metallic elastic ripple core bodys; communicate with atmosphere by dehydrating breather (8); elastic corrugated core body (4) lower end is furnished with balance plate (3); sealing oil storage casing (9) outer end is provided with oil level indication (1); casing gas exhaust piping (12) is arranged at the top; oiling pipeline (2) is arranged at the bottom, and oil extraction pipeline (5) docks pipeline (6) with the transformer Buchholz relay; blowoff line (7) is equipped with core body protective valve (10) in casing.
Wavy metal core body in the said structure is to be suspended on the fixed mount at casing top, and the fixed mount at wavy metal core body and casing top is linked to be whole by no seam welding; Each wavy metal core body is all to be independently to seal individuality, and core body is made up of a plurality of elastic corrugated of stainless steel, and wherein corrugated body can be in series by single or several ripple core bodys as required; The core body lower end is furnished with balance plate; Fuel tank then determines concrete profile according to the quantity and the volume of elastic corrugated body.The casing in-line connects with transformer, and each elastic corrugated body is communicated by the air guide pipeline, communicates with atmosphere through dehydrating breather.
The airtight fuel tank shell of oil conservator is provided with oil level dial gauge, oiling pipeline, blowoff line, gas exhaust piping and oil extraction pipeline outward, and the core body protective valve is housed in the casing.When casing was measured excess load, the release of draining the oil automatically of core body protective valve reminded the duty personnel in time to handle, and the protection transformer normally moves, and the core body protective valve can use repeatedly.
This product characteristics has:
1, simple in structure, easy for installation, oiling, the processing ease of draining the oil.
2, applied widely, pardon is strong, can select the quantity of elastic corrugated body according to transformer capacity, selects the overall dimensions that adapt again.
3, elastic corrugated body is an all-sealed structure, and transformer oil and isolate from outer air can not produce analyte in casing, can not produce transformer oil and pollute.
4, because sealing oil storage cabinet is interior, elastic corrugated core body is outward an oil storage space, so can more make full use of the cabinet space, the cubage compensation amount increases.
5, elastic corrugated core body is suspended on the interior fixed mount of casing, is positioned at the cabinet top, and the time that is subjected to oil pressure variation extruding generation deformation, it was little to wear and tear than other class oil conservators weak points, and service time is longer.
6, this product has the self-protection function.When surpassing, oil conservator oiling or oil level in service upward can open core body protective valve draining automatically in limited time; When returning to safe oil level, can close automatically, and can use repeatedly.When protecting elastic corrugated body, also effectively remind the duty personnel in time to handle.
Description of drawings:
Fig. 1 is the combined metal bellow oil conservator structural representation
Fig. 2 is a combined metal bellow oil conservator structure right view
Embodiment
When the composite type elastic corrugated oil conservator uses, at first shed the negative pressure of elastic corrugated core body (4), be allowed to condition under the action of gravity of balance plate (3) sagging naturally.Open the gas exhaust piping (12) at casing top, from oiling pipeline (2) to casing (9) oiling.When gas exhaust piping (12) flows out stable oil stream, close vent valve pipeline valve port and continue oiling.Balance plate is squeezed and makes elastic corrugated core body shrink rising under the pressure of oil, and the gas in the core body communicates with atmosphere through dehydrating breather by the air guide pipeline (11) of intercommunication.When the oil level indication reaches required oil level, stop oiling; If oiling is excessive, when surpassing upper limit oil level, core body protective valve (10) can start, and effluent oil comes automatically, thereby the too high pressure of discharging core body guarantees the safe operation of equipment.In allowed band, the core body protective valve can be closed automatically, does not influence to continue next time to use.
Claims (3)
1; a kind of combined metal bellow oil conservator; it is characterized in that: it comprises sealing oil storage casing (9); interior hanging metal ripple core body (4); there is wireway (11) to communicate between two elastic metallic ripple core bodys; communicate with atmosphere by dehydrating breather (8); elastic metallic ripple core body (4) lower end is furnished with balance plate (3); sealing oil storage casing (9) outer end is provided with oil level indication (1); casing gas exhaust piping (12) is arranged at the top; oiling pipeline (2) is arranged at the bottom; oil extraction pipeline (5); dock pipeline (6) with the transformer Buchholz relay, blowoff line (7) is equipped with core body protective valve (10) in casing.
2, a kind of combined metal bellow oil conservator according to claim 1 is characterized in that: the casing inner top hangs one or several wavy metal core bodys is housed, each ripple core body all be independently, the individuality of sealing.
3, composite type elastic corrugated oil conservator according to claim 1 is characterized in that: the wavy metal core body is to be suspended on the fixed mount at casing top, and the fixed mount at wavy metal core body and casing top is linked to be whole by no seam welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201590152U CN201294138Y (en) | 2008-11-03 | 2008-11-03 | Combined metal corrugated oil conservator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201590152U CN201294138Y (en) | 2008-11-03 | 2008-11-03 | Combined metal corrugated oil conservator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201294138Y true CN201294138Y (en) | 2009-08-19 |
Family
ID=41007623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201590152U Expired - Fee Related CN201294138Y (en) | 2008-11-03 | 2008-11-03 | Combined metal corrugated oil conservator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201294138Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103292072A (en) * | 2013-07-02 | 2013-09-11 | 齐耐宾 | Metal bellows-type oil conservator and metal bellows thereof |
| CN103377802A (en) * | 2012-04-13 | 2013-10-30 | 沈阳海为电力设备有限公司 | Internal metal bellow expansion oil conservator with self-protection function |
| CN103824681A (en) * | 2014-03-10 | 2014-05-28 | 山东达驰电气有限公司 | Oil conservator capable of radiating |
| CN104124039A (en) * | 2014-06-23 | 2014-10-29 | 湖北网安科技有限公司 | Oil-immersed type high-overload power transformer |
| CN105644756A (en) * | 2014-11-10 | 2016-06-08 | 中国科学院沈阳自动化研究所 | Underwater fuel tank for ocean robot |
| CN108630397A (en) * | 2017-03-15 | 2018-10-09 | 沈阳海为电力装备股份有限公司 | A kind of transformer underground oil storage cooling compensating device with flow divider |
-
2008
- 2008-11-03 CN CNU2008201590152U patent/CN201294138Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103377802A (en) * | 2012-04-13 | 2013-10-30 | 沈阳海为电力设备有限公司 | Internal metal bellow expansion oil conservator with self-protection function |
| CN103292072A (en) * | 2013-07-02 | 2013-09-11 | 齐耐宾 | Metal bellows-type oil conservator and metal bellows thereof |
| CN103824681A (en) * | 2014-03-10 | 2014-05-28 | 山东达驰电气有限公司 | Oil conservator capable of radiating |
| CN104124039A (en) * | 2014-06-23 | 2014-10-29 | 湖北网安科技有限公司 | Oil-immersed type high-overload power transformer |
| CN104124039B (en) * | 2014-06-23 | 2016-04-13 | 湖北网安科技有限公司 | A kind of oil immersed type high overload power transformer |
| CN105644756A (en) * | 2014-11-10 | 2016-06-08 | 中国科学院沈阳自动化研究所 | Underwater fuel tank for ocean robot |
| CN105644756B (en) * | 2014-11-10 | 2017-09-29 | 中国科学院沈阳自动化研究所 | A kind of ocean robot fuel tank under water |
| CN108630397A (en) * | 2017-03-15 | 2018-10-09 | 沈阳海为电力装备股份有限公司 | A kind of transformer underground oil storage cooling compensating device with flow divider |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20111103 |