CN201004365Y - Vertical external oil storage case for transformer - Google Patents
Vertical external oil storage case for transformer Download PDFInfo
- Publication number
- CN201004365Y CN201004365Y CNU2007200100804U CN200720010080U CN201004365Y CN 201004365 Y CN201004365 Y CN 201004365Y CN U2007200100804 U CNU2007200100804 U CN U2007200100804U CN 200720010080 U CN200720010080 U CN 200720010080U CN 201004365 Y CN201004365 Y CN 201004365Y
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- CN
- China
- Prior art keywords
- transformer
- oil
- boxlike
- cassette
- communicated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
A vertically external oil conservator for a transformer consists of an upper cover, a batholith body and a cassette corrugated expander arranged in the oil conservator. The key points of the technique are that: the bottom of the cassette corrugated expander is hermetically connected with a pressurized balance weight board in the bottom of the body, and the guide sheave shifting longitudinally along with the inner wall of the body is arranged around the pressurized balance weight board; the top of the cassette corrugated expander is hermetically connected with the bottom of a sealed steadier in the upside of the body, and the cavity of the cassette corrugated expander is communicated with the upside cavity of the body through the pylome of the sealed steadier; a top cover of the respirator is arranged and hermetically connected with the sealed flange by a gland bush, and the batholith is communicated with the oil tank of the transformer. With a compact structure and reasonable designed distribution, the device not only completely eliminates the defects such as influencing the operational safety of the power transformer in the prior oil conservator structure, but also expands the available cubage. In addition, the device can save oil, increase the compensation dosage, protect the oiliness markedly and prolong the life performance of the transformer.
Description
Technical field
The utility model relates to a kind of safety guard that is used for power transformer, particularly a kind ofly can protect oil, prolongs transformer useful life, again can fuel-economizing, and the transformer that increases compensation rate is with vertical oily oil conservator outward.
Background technology
The safety guard of the large-scale power transformer insulating oil that uses is mainly with conservator or oil conservator at present.The patent No. is that 200520092154.4 " multifunction storage oil tank " is once easily aging at the rubber that existing capsule-type, diaphragm type, metal bellow type conservator or oil conservator exist, fragile, can produce transformer oil quality deterioration, seepage oil, easily long-pending dunghill in the inner oil type metal bellow type oil conservator, damage ripple, influence its problem such as safe operation in useful life, design a kind of inner oil type metal bellow type oil conservator, overcome the above-mentioned defective that prior art exists to a certain extent.This class inner oil type metal bellow type oil conservator is vertical structure mostly, metal bellows is lengthwise movement, the region of bypassed oil (account for compensation rate 15%) that the compensation do not participated in must be arranged when closure, Yin Qinei takes up the oil of constant weight, so make the metal bellows distortion easily, these problems not only directly influence the security of operation of power transformer, and many oil consumptions also can cause the waste of fund.And outer oil type metal bellow type oil conservator generally is a horizontal type structure, and its metal bellows is transverse movement, because of the pressurized inequality, is easy to generate catching phenomenon, also influences the compensating action that it is brought into normal play, and brings hidden danger can for the safe operation of power transformer.
The utility model content
The purpose of this utility model provides a kind of transformer with vertical outer oily oil conservator; its compact conformation, design distribute rationally; not only can eliminate the defectives such as security of operation that influence power transformer that existing oil conservator structure exists fully; and enlarge its dischargeable capacity; fuel-economizing, increase compensation rate; significantly protection oil prolongs transformer useful life.
The purpose of this utility model is achieved in that this device comprises and has loam cake, the body on chassis and assemble boxlike bellow expander in it, its technical essential is: the bottom of described boxlike bellow expander is packaged on the pressure-fired Weight plate of body bottom, the periphery of pressure-fired Weight plate is provided with the leading block that vertically moves along inner body wall, the top of boxlike bellow expander is packaged on the sealed support below on body top, the inner chamber of boxlike bellow expander is communicated with the body upper cavity by the through hole of sealed support, the loam cake that respirator is set utilizes the sealing flange sealing-in on sealing gasket and body top, and the chassis of body is communicated with oil tank of transformer by the oil-in on it.
Described body is provided with blast pipe, and blast pipe one end stretches out body, and the other end is fixedly connected on the sealed support on body top.
Because the utility model adopts totally enclosed version that the bottom of boxlike bellow expander is packaged on the pressure-fired Weight plate of body bottom; the top is packaged on the sealed support below on body top; the inner chamber of boxlike bellow expander and body upper cavity are communicated with atmosphere by the respirator of loam cake; so transformer oil is encapsulated between inner body wall and the boxlike bellow expander periphery wall; both reduced and used oil mass; transformer oil and air are isolated fully; significantly protection oil prolongs transformer useful life.When the oily temperature in the oil tank of transformer changes, just promote the pressure-fired Weight plate and utilize the leading block of its periphery setting to vertically move, to reach the purpose of cubage compensation along inner body wall.Because of its compact conformation, design distribute rationally, there has not been not participate in the region of bypassed oil of compensation, Weight plate moves and is not obstructed, so not only can eliminate the defectives such as security of operation that influence power transformer that exist on the existing similar oil conservator structure fully, but also enlarged its dischargeable capacity, thereby realized fuel-economizing, increased the cubage compensation amount, guaranteed its safe operation in useful life.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a kind of concrete structure schematic diagram of the present utility model.
Sequence number explanation among the figure: 1 loam cake, 2 respirators, 3 sealing gaskets, 4 sealing flanges, the indication of 5 oil levels, 6 leading blocks, 7 chassis, 8 oil-ins, 9 pressure-fired Weight plates, 10 boxlike bellow expanders, 11 blowdown valves, 12 bodies, 13 sealed supports, 14 blast pipes.
Embodiment
Describe concrete structure of the present utility model in detail according to Fig. 1.This device comprises the body 12 that has loam cake 1, chassis 7 and assembles its interior part such as boxlike bellow expander 10.Wherein boxlike bellow expander 10 adopts stainless steel material or other resistant material to make, and the specification of body 12 and boxlike bellow expander 10, cubage compensation amount and respective specified when shape should be moved according to transformer oil are selected.Its bottom is packaged on the pressure-fired Weight plate 9 of body 12 bottoms, and its top is packaged on the below of the sealed support 13 on body 12 tops.The periphery of the pressure-fired Weight plate 9 of boxlike bellow expander 10 is provided with the leading block 6 that vertically moves along body 12 inwalls.The specification of leading block 6, quantity can be determined according to actual instructions for use.The inner chamber of boxlike bellow expander 10 is communicated with body 12 upper cavity by the through hole of sealed support 13, the loam cake 1 that respirator 2 is set then utilizes sealing flange 4 sealing-ins on sealing gasket 3 and body 12 tops, thereby make the inner chamber of boxlike bellow expander 10 be communicated with atmosphere, be beneficial to the flexible of boxlike bellow expander 10 with body 12 upper cavity.The chassis 7 of body 12 is communicated with the oil tank of transformer (not shown) by the oil-in 8 on it, and insulating oil enters enclosed cavity between body 12 inwalls and boxlike bellow expander 10 periphery walls from oil-in 8.In order to get rid of the air that is closed in oil pocket rapidly, can above body 12 enclosed cavities, blast pipe 14 be set, an end of blast pipe 14 stretches out body 12, and the pipe other end is fixedlyed connected with the air vent hole of the sealed support 13 on body 12 tops.
During use, temperature changes in transformer, and temperature raises, and the insulating oil volume increases, and the oil in the oil tank of transformer enters body 12 through oil-in 8, promotes pressure-fired Weight plate 9 and utilizes the leading block 6 of its periphery setting to move up along body 12 inwalls.When the temperature in the transformer reduced, oil volume reduced, and pressure-fired Weight plate 9 descends, and plays the counterweigh effect simultaneously.Oil level in body 12 enclosed cavities is high and low to be shown directly and accurately by oil level indication 5.
Claims (2)
1, a kind of transformer is with vertical outer oily oil conservator, comprise and have loam cake, the body on chassis and assemble boxlike bellow expander in it, it is characterized in that: the bottom of described boxlike bellow expander is packaged on the pressure-fired Weight plate of body bottom, the periphery of pressure-fired Weight plate is provided with the leading block that vertically moves along inner body wall, the top of boxlike bellow expander is packaged on the sealed support below on body top, the inner chamber of boxlike bellow expander is communicated with the body upper cavity by the through hole of sealed support, the loam cake that respirator is set utilizes the sealing flange sealing-in on sealing gasket and body top, and the chassis of body is communicated with oil tank of transformer by the oil-in on it.
2, transformer according to claim 1 is with vertical outer oily oil conservator, and it is characterized in that: described body is provided with blast pipe, and blast pipe one end stretches out body, and the other end is fixedly connected on the sealed support on body top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200100804U CN201004365Y (en) | 2007-01-12 | 2007-01-12 | Vertical external oil storage case for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200100804U CN201004365Y (en) | 2007-01-12 | 2007-01-12 | Vertical external oil storage case for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201004365Y true CN201004365Y (en) | 2008-01-09 |
Family
ID=39039909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200100804U Expired - Fee Related CN201004365Y (en) | 2007-01-12 | 2007-01-12 | Vertical external oil storage case for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201004365Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990000A (en) * | 2015-03-05 | 2016-10-05 | 沈阳海为电力设备有限公司 | External oil type metal corrugated expansion oil conservator |
| CN109448963A (en) * | 2018-12-11 | 2019-03-08 | 沈阳大型电力变压器维修有限公司 | Oily oil conservater in wavy metal with the limiting device for beating positive pressure |
| CN109555857A (en) * | 2018-12-29 | 2019-04-02 | 昆山瑞普电气有限公司 | Sealed expansion structure in transformer oil |
-
2007
- 2007-01-12 CN CNU2007200100804U patent/CN201004365Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105990000A (en) * | 2015-03-05 | 2016-10-05 | 沈阳海为电力设备有限公司 | External oil type metal corrugated expansion oil conservator |
| CN105990000B (en) * | 2015-03-05 | 2018-03-02 | 沈阳海为电力设备有限公司 | A kind of outer oil type metal bellow expansion oil storage tank |
| CN109448963A (en) * | 2018-12-11 | 2019-03-08 | 沈阳大型电力变压器维修有限公司 | Oily oil conservater in wavy metal with the limiting device for beating positive pressure |
| CN109555857A (en) * | 2018-12-29 | 2019-04-02 | 昆山瑞普电气有限公司 | Sealed expansion structure in transformer oil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: YU HONGTAO ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: Yu Hongtao Number: 02 Page: The title page Volume: 24 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: Yu Hongtao Number: 02 Volume: 24 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: YU HONGTAO ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20100212 |