CN201608019U - Transformer with cooling medium as MIDEL oil - Google Patents
Transformer with cooling medium as MIDEL oil Download PDFInfo
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- CN201608019U CN201608019U CN2009202979425U CN200920297942U CN201608019U CN 201608019 U CN201608019 U CN 201608019U CN 2009202979425 U CN2009202979425 U CN 2009202979425U CN 200920297942 U CN200920297942 U CN 200920297942U CN 201608019 U CN201608019 U CN 201608019U
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Abstract
The utility model relates to a transformer with a cooling medium as MIDEL oil, which comprises a transformer oil tank; and the transformer body is soaked in the transformer oil tank filled with MIDEL medium oil, and the transformer oil tank adopts a fully sealed structure. The structure not only uses the strong moisture absorption of the MIDEL oil, i.e. absorbing the water produced by an insulating element of the transformer body soaked in the MIDEL oil so as to ensure the insulating performance of the transformer, improve the operation reliability of the transformer and prolong the service life of the transformer, but also prevents the problem that the MIDEL oil in the transformer absorbs moisture from the outside air. The MIDEL oil transformer has high heat and temperature resistant performance and high safety, does not need to replace the cooling medium oil regularly so as to overcome the defects of the traditional transformers.
Description
Technical field
The utility model relates to transformer manufacture technology, and more specifically, the utility model relates to the transformer that a kind of coolant is a MIDEL oil.
Background technology
At present, in the conventional oil-filled transformer, coolant adopts the transformer oil of 25# or 45# usually, and each insulation component in the transformer body, as cushion block, insulating board, core insulation, layer insulation etc., all adopts the A class F insulating material F to make.The maximum permissible temperature of these A class F insulating material Fs has only 105 ℃ (satisfying the requirement of GB 2356-1990), if surpass this temperature value, the caloric value of transformer inside can make insulating material and transformer oil ageing, and insulating material also can be lost the mechanical property of hot strength or bending strength gradually, thereby cause losing gradually electric strength, finally shortened transformer's life span.
The transformer of this employing A class F insulating material F is the electric equipments in the power network.Its major defect is that heat resisting temperature is low, and useful life is short, and transformer oil needs regular oil strain and replacing, not easy care.
Summary of the invention
Therefore, at the above-mentioned defective that exists in the prior art, goal of the invention of the present utility model provides the transformer that a kind of coolant is a MIDEL oil, it has high heat resisting temperature performance, high fail safe and does not need to regularly replace coolant oil, thereby has overcome the existing above-mentioned defective of present transformer.
According to goal of the invention of the present utility model, it is the transformer of MIDEL oil that a kind of coolant is provided, and comprises oil tank of transformer, and transformer body is immersed in the oil tank of transformer that is filled with MIDEL medium oil, and oil tank of transformer adopts all-sealed structure.Adopt this setting, not only utilize the strong moisture absorption of MIDEL oil, promptly, absorption is immersed in the moisture that insulation component produced of the transformer body in the MIDEL oil, thereby guarantee the insulation property of transformer, and then improved the operational reliability of transformer and prolonged transformer's life span, but also avoided the problem of the MIDEL oil of transformer inside from the ambient atmosphere moisture absorption.
In the utility model, transformer body comprises a plurality of windings and a plurality of insulation component that is around in iron core, be provided with heat radiation oil duct between a plurality of windings, and the width of each heat radiation oil duct is at least 4mm.Self character according to MIDEL oil, as viscosity etc.,, between a plurality of windings, be provided with heat radiation oil duct in order to guarantee the heat dispersion of transformer body, make the convection current in heat radiation oil duct of MIDEL oil, thereby the heat transferred that apace transformer body is produced is to the outside of oil tank of transformer; And compare with oil duct width set in the oil tank of transformer of the prior art, the width of set heat radiation oil duct is wide in the utility model, thereby guarantees that MIDEL oil flows in oil tank of transformer.
Further, transformer of the present utility model also is provided with a plurality of heat sinks, and described a plurality of heat sinks are arranged on the outer wall of oil tank of transformer.Thereby, utilize a plurality of heat sinks the heat in the oil tank of transformer to be delivered to the outside of oil tank of transformer by the outer wall of oil tank of transformer.
Further, be provided with the heat radiation oil export in the upper end and the lower end of each winding, the width of described each heat radiation oil export is at least 4mm.Described heat radiation oil export is connected with the heat dissipation channel of the heat sink of the outside that is arranged on oil tank of transformer.Thereby MIDEL oil flows into from the heat radiation oil export in the heat dissipation channel of heat sink of the outside be arranged on oil tank of transformer, with the outside of the heat transferred in the oil tank of transformer to oil tank of transformer.
In the transformer in the utility model, heat sink adopts gilled radiator or ripple gilled radiator.
Utilize the high burning-point of MIDEL oil, the heat proof material of any grade more than the A level that the insulation component that transformer is provided with can adapt according to the class of insulation of described transformer on one's body.Wherein, the heat proof material of described any grade comprises A level, E level, B level, F level, H level and C level.Because the insulation component of this transformer can adopt the heat proof material of any grade, thereby has guaranteed the mechanical performance and the electric property of the insulation component of transformer.
In the utility model, a plurality of windings in the transformer body are made by high conductive material.
Should be understood that, for the utility model, the general introduction of front still be following detailed description all be example and illustrative, be intended to the utility model of being advocated is furnished an explanation, but not protection range of the present utility model limited.
Description of drawings
Accompanying drawing provides further to be understood the utility model, incorporates and form the application's a part into.Specific embodiment of the utility model with specification in order to illustrate design feature of the present utility model.In the accompanying drawings:
Figure 1A shows the front view with MIDEL oil transformer of corrugated tank of the present utility model;
Figure 1B shows the vertical view with MIDEL oil transformer of corrugated tank of the present utility model;
Fig. 2 shows the structural representation of the transformer body of MIDEL oil transformer of the present utility model;
Fig. 3 A shows the front view with MIDEL oil transformer of corrugated tank and oil conservator of the present utility model;
Fig. 3 B shows the vertical view with MIDEL oil transformer of corrugated tank and oil conservator of the present utility model;
Fig. 4 A shows the front view with MIDEL oil transformer of gilled radiator and oil conservator of the present utility model;
Fig. 4 B shows the vertical view with MIDEL oil transformer of gilled radiator and oil conservator of the present utility model.
Embodiment
Below in conjunction with accompanying drawing structure of the present utility model is described in further detail.
Embodiment one:
With reference to Figure 1A and Figure 1B, they show front view and the vertical view with MIDEL oil transformer of corrugated tank of the present utility model respectively.
In Figure 1A and Figure 1B, the utility model provides has the transformer that coolant is a MIDEL oil, comprises oil tank of transformer 2, and transformer body is immersed in the oil tank of transformer 2 that is filled with MIDEL medium oil 1, and described oil tank of transformer 2 adopts all-sealed structures.As shown in the figure, transformer body comprises transformer core 6, is around in high-low pressure winding 5 and a plurality of insulation component on the transformer core 6.Described a plurality of insulation component mainly comprises the layer insulation of being located between each winding and is located at core insulation, insulating board and the cushion block of the upper and lower end of winding.Each parts of described transformer body all are immersed in the coolant MIDEL oil.On the upper surface of oil tank of transformer, arranging bushing 3 and low-tension bushing 4 according to the high-low pressure winding in the oil tank of transformer, and shunting switch 7.
In the utility model, adopting MIDEL oil to make all-sealed structure as the transformer of coolant is that strong moisture absorption by MIDEL oil is determined.The moisture absorption that MIDEL oil can produce the transformer insulation component on one's body that is immersed in the MIDEL oil, like this, not only guaranteed the insulation property of transformer, the operational reliability that has improved transformer and transformer's life span, but also avoided the problem of the MIDEL oil of transformer inside from the ambient atmosphere moisture absorption.
With reference to Fig. 2, Fig. 2 shows the structural representation of the transformer body of MIDEL oil transformer of the present utility model.In the utility model, between a plurality of windings of transformer, promptly be provided with heat radiation oil duct between low-voltage coil 10 and the high-tension coil 11, and the width of each heat radiation oil duct is at least 4mm.Compare with oil duct width set in the oil tank of transformer of the prior art, the width of set heat radiation oil duct is wide in the utility model.Why adopt such design, the self character with MIDEL oil is undivided as characteristics such as viscosityes.In order to guarantee the heat dispersion of transformer body, not only between a plurality of windings, be provided with heat radiation oil duct, and strengthened the width of heat radiation oil duct, make MIDEL oil in heat radiation oil duct, form convection current, thereby the heat transferred that apace transformer body is produced is to the outside of oil tank of transformer.
In order to guarantee that the heat transferred with the transformer body generation arrives the outside of oil tank of transformer, transformer of the present utility model also is provided with a plurality of heat sinks 8.Described a plurality of heat sink 8 is arranged on the outer wall all around of oil tank of transformer.Thereby, utilize a plurality of heat sinks 8 heat in the oil tank of transformer to be delivered to the outside of oil tank of transformer by the outer wall of oil tank of transformer.
In actual applications, shown in Fig. 3 A and Fig. 3 B, MIDEL oil transformer also is provided with oil conservator 9.Described oil conservator is arranged on the outside of oil tank of transformer.
Embodiment two:
Fig. 4 A and Fig. 4 B show front view and the vertical view with MIDEL oil transformer of gilled radiator and oil conservator of the present utility model respectively.
The structure of the transformer among transformer device structure in the present embodiment and the embodiment one is basic identical, and difference is, upper end and lower end at transformer each winding on one's body are provided with heat radiation oil export 12, and the width of described each heat radiation oil export 12 is at least 4mm.Described heat radiation oil export 12 communicates with the heat dissipation channel of the heat sink 8 of the outside that is arranged on oil tank of transformer, thereby, MIDEL oil in the oil tank of transformer flows into from heat radiation oil export 12 in the heat dissipation channel of heat sink 8 of the outside that is arranged on oil tank of transformer, with the outside of the heat transferred in the oil tank of transformer to oil tank of transformer.In the utility model, described heat sink is gilled radiator or ripple gilled radiator.
In the foregoing description one and embodiment two, can utilize the high burning-point of MIDEL oil, the heat proof material of any grade more than the A level that the insulation component that transformer is provided with can adapt according to the class of insulation of transformer on one's body.Wherein, the heat proof material of described any grade comprises A level, E level, B level, F level, H level and C level.Because the insulation component of this transformer can adopt the heat proof material of any grade, thereby has guaranteed the mechanical performance and the electric property of the insulation component of transformer.The insulating material that insulation component can adopt the class of insulation with transformer to adapt.Such as, when the class of insulation that needs MIDEL oil transformer was the H level, then correspondingly insulation component was selected the H class F insulating material F for use.
Simultaneously, in order to guarantee the high electric property of transformer, a plurality of windings in the transformer body are made by high conductive material.
MIDEL oil in the transformer of the present utility model can adopt Britain M﹠amp; The MIDEL oil of the production of I company perhaps adopts other MIDEL that coolant that performance satisfies transformer of the present utility model can be provided oil producer.
In order to embody the advantage of MIDEL oil transformer of the present utility model, the property of MIDEL oil is described now.MIDEL oil has following premium properties:
1) the MIDEL oil flash is up to 250 ℃, burning-point is up to 322 ℃, and MIDEL oil also has self-extinguishment, after electric arc ignites, in case electric arc stops, therefore the flame energy self-gravitation of MIDEL oil adopts the transformer of MIDEL oil to have very high fire protecting performance, is fit to very much be applied to residential area, cities and towns, hotel commercial building, subway, airport etc. and requires safe occasion;
2) degradation speed of MIDEL oil is very fast, generally just can decompose about 90% at 30 days, and the mineral oil that conventional transformer uses then needed several years or the longer time, so MIDEL oil transformer has higher environmental-protecting performance if decompose 90%;
3) MIDEL oil has very strong water absorption, and after the water content in the MIDEL oil reaches very high concentration 600ppm, and its insulation level can not reduce (conventional mineral oil surpass 20ppm after, insulation level just can sharply descend) yet; In the transformer running, device insulation component on one's body can constantly wear out, decompose, and can constantly produce moisture in the decomposable process of these insulation components, like this, can utilize MIDEL oil to sponge at any time and decompose the moisture of coming out, thereby improve the operational reliability of transformer greatly and prolong transformer life.
To sum up, according to MIDEL oil transformer of the present utility model, except having performances such as superior chemistry, machinery, electric and physics, also have distinctive electric property, distinctive high-level environmental-protecting performance, with and winding have very high mechanical strength and electric property.
Because under the situation that does not depart from the utility model scope, can carry out various modifications and variations, therefore it is illustrative and nonrestrictive comprising in the above-mentioned explanation that all technical characterictics shown in the accompanying drawing or content be construed as.
Claims (9)
1. the transformer that coolant is a MIDEL oil comprises oil tank of transformer, it is characterized in that, transformer body is immersed in the described oil tank of transformer that is filled with MIDEL medium oil, and described oil tank of transformer adopts all-sealed structure.
2. transformer according to claim 1 is characterized in that, described transformer body comprises a plurality of windings and a plurality of insulation component that is around in iron core, is provided with heat radiation oil duct between described a plurality of windings, and the width of described each heat radiation oil duct is at least 4mm.
3. transformer according to claim 2 is characterized in that, also is provided with a plurality of heat sinks, and described a plurality of heat sinks are arranged on the outer wall of described oil tank of transformer.
4. transformer according to claim 2 is characterized in that, is provided with the heat radiation oil export in the upper end and the lower end of described each winding, and the width of described each heat radiation oil export is at least 4mm.
5. transformer according to claim 4 is characterized in that, described heat radiation oil export is connected with the heat dissipation channel of the heat sink of the outside that is arranged on described oil tank of transformer.
6. according to claim 3 or 4 described transformers, it is characterized in that described heat sink is gilled radiator or ripple gilled radiator.
7. transformer according to claim 2 is characterized in that, the heat proof material of any grade more than the A level that the insulation component that described transformer is provided with on one's body can adapt according to the class of insulation of described transformer.
8. transformer according to claim 7 is characterized in that, the heat proof material of described any grade comprises A level, E level, B level, F level, H level and C level.
9. transformer according to claim 2 is characterized in that, described a plurality of windings are made by high conductive material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202979425U CN201608019U (en) | 2009-12-30 | 2009-12-30 | Transformer with cooling medium as MIDEL oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202979425U CN201608019U (en) | 2009-12-30 | 2009-12-30 | Transformer with cooling medium as MIDEL oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201608019U true CN201608019U (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202979425U Expired - Fee Related CN201608019U (en) | 2009-12-30 | 2009-12-30 | Transformer with cooling medium as MIDEL oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201608019U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728138A (en) * | 2011-04-14 | 2012-10-17 | 永济新时速电机电器有限责任公司 | Cabinet-type converter cooling system filtering tool and filtration system |
| CN104681240A (en) * | 2015-03-18 | 2015-06-03 | 平高集团智能电气有限公司 | High-overload transformer |
| CN104835636A (en) * | 2015-05-12 | 2015-08-12 | 山东电工电气集团智能电气有限公司 | High-performance distribution transformer |
| CN110534307A (en) * | 2019-09-20 | 2019-12-03 | 江苏康宇电力设备有限公司 | A kind of transformer oil moisture removal device |
-
2009
- 2009-12-30 CN CN2009202979425U patent/CN201608019U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102728138A (en) * | 2011-04-14 | 2012-10-17 | 永济新时速电机电器有限责任公司 | Cabinet-type converter cooling system filtering tool and filtration system |
| CN102728138B (en) * | 2011-04-14 | 2014-04-23 | 永济新时速电机电器有限责任公司 | Cabinet-type converter cooling system filtering tool and filtration system |
| CN104681240A (en) * | 2015-03-18 | 2015-06-03 | 平高集团智能电气有限公司 | High-overload transformer |
| CN104835636A (en) * | 2015-05-12 | 2015-08-12 | 山东电工电气集团智能电气有限公司 | High-performance distribution transformer |
| CN110534307A (en) * | 2019-09-20 | 2019-12-03 | 江苏康宇电力设备有限公司 | A kind of transformer oil moisture removal device |
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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: 20101013 Termination date: 20131230 |