CN207517485U - A kind of natural esters insulating oil distribution transformer - Google Patents
A kind of natural esters insulating oil distribution transformer Download PDFInfo
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- CN207517485U CN207517485U CN201721294816.5U CN201721294816U CN207517485U CN 207517485 U CN207517485 U CN 207517485U CN 201721294816 U CN201721294816 U CN 201721294816U CN 207517485 U CN207517485 U CN 207517485U
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- oil
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- fuel tank
- transformer
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Abstract
The utility model belongs to oil-immersed transformer field, specifically, provide a kind of natural esters insulating oil distribution transformer, including fuel tank, iron core, high-tension coil, low-voltage coil, bushing, low-tension bushing, oil level indicator and tap switch, fuel tank is elliposoidal, high-tension coil and low-voltage coil are wound around on iron core respectively, iron core leaching is loaded in natural esters insulating oil, top of oil-tank is equipped with bushing and low-tension bushing on outer surface, the side of top of oil-tank is equipped with oil level indicator and extends in natural esters insulating oil, tap switch is arranged on the top of oil-tank among bushing and low-tension bushing, the opposite side of top of oil-tank is provided with fuel feeding valve, tank body of oil tank lower part side is provided with fuel outlet valve.Transformer surface radiating coating, cooling fin and water circulation radiator can effectively radiate to transformer, so that transformer entirety Wen Sheng is not higher than the standard using mineral oil transformer, the manufacture cost of natural esters Insulation Oil Transformer is reduced, improves the efficiency grade of transformer.
Description
Technical field
The utility model belongs to oil-immersed transformer field, more particularly, to a kind of natural esters insulating oil distribution transformer
Device.
Background technology
Distribution transformer is one of industrial and mining enterprises and the important equipment in civil buildings power supply-distribution system, wherein being made using oil
Oil-immersed transformer to cool down medium has been widely used in daily life.Traditional oil-immersed transformer uses mineral
Matter oil or synthetic oil are as cooling medium, but transformer oil has in itself as non-renewable, it is impossible to and it is biodegradable, when leaking
It easily pollutes the environment, the shortcomings of flash-point is low and fire protection flame retarding is poor.Meanwhile mineral transformer oil originates from oil, at present, generation
Boundary stone oil resource scarcity, so having become the master of current transformer oil using the product of vegetable insulating oil alternative ore transformer oil
Stream trend.
Natural esters insulating oil alternative ore Insulation Oil Transformer, although unit capacity cost increases, since natural esters can
Substantially reduce the aging speed of transformer insulating paper, under appropriate safeguard the service life of natural esters Insulation Oil Transformer will be apparently higher than
The service life of mineral oil transformer, and improve operational reliability, that is, reduce transformer life cycle management cost of investment and operation
Maintenance cost.
But natural esters, due to molecular structure, kinematic viscosity is much larger than conventional mineral oil, this causes using day
As the transformer of dielectric, its heat-sinking capability will be less than conventional mineral oil transformer to right ester.Two identical voltage class, appearances
The distribution transformer of amount and design, for current country's S11 types and S13 type distribution transformers, using natural under identical environment
The temperature of ester insulating oil is risen than the national standard design requirement for being higher by 3~5K, can not meeting distribution transformer using mineral oil.
In order to improve the heat-sinking capability of transformer, in most cases using on the basis of former mineral oil design of transformer increase oil duct,
Increase the scheme of cooling fin, improve manufacture cost.
In consideration of it, providing one kind can meet under identical voltage class, capacity and design, not higher than the Wen Sheng using mineral oil
Distribution transformer, be necessary.
Utility model content
The purpose of this utility model is to provide a kind of natural esters insulating oil distribution transformer, to meet in identical voltage etc.
Under conditions of grade, capacity and design, Wen Sheng is not higher than the distribution transformer using mineral oil.
To achieve the above object, the utility model provides a kind of natural esters insulating oil distribution transformer, including fuel tank, iron
Core, high-tension coil, low-voltage coil, bushing, low-tension bushing, oil level indicator and tap switch, the fuel tank is elliposoidal, high
Crimping circle and low-voltage coil are wound around on iron core respectively, and iron core leaching is loaded in the natural esters insulating oil in fuel tank, fuel tank top
Bushing and low-tension bushing be installed on portion outer surface, bushing and low-tension bushing respectively with high-tension coil and low-voltage coil
Connection, the side of top of oil-tank are equipped with oil level indicator and extend in natural esters insulating oil, and tap switch is arranged on bushing
With the top of oil-tank among low-tension bushing, the opposite side of top of oil-tank is provided with fuel feeding valve, and tank body of oil tank lower part side is provided with
Fuel outlet valve.
Preferably, the oil tank wall of the fuel tank is set as ripple wall construction, and ripple wall construction can increase the elasticity of oil tank wall.
Preferably, the both sides of corresponding elliposoidal fuel tank long axis are respectively arranged with radiator, and radiator is multiple equidistant intervals
The rectangular radiator composition of arrangement.Circular protrusions or helical fin are uniformly inlaid on the cooling fin.
Preferably, the outer surface of fuel tank and/or cooling fin is coated with the resin base thermal dispersant coatings based on carbon nano modification, institute
The thickness for stating thermal dispersant coatings is 40~50 μm.
Preferably, the side of fuel tank is provided with water circulation radiator, and water circulation radiator includes oil inlet pipe, petroleum pipeline, goes out
Oil pipe, water tank and water circulation mechanism, oil inlet pipe and flowline are connect respectively with fuel feeding valve and fuel outlet valve, are provided on oil inlet pipe
Oil pump, water tank are sleeved on petroleum pipeline, and the water inlet of water circulation mechanism is arranged on the bottom of storage tank, and water outlet is arranged on storage
Tank top.Petroleum pipeline in water circulation radiator may be configured as helical form or double-helix.
Preferably, it is provided with dehydrating breather on flowline.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, has as follows
Beneficial effect：
Identical voltage class, capacity and design under conditions of, by original mineral insulating oil replace with it is safe and environment-friendly, can
Biodegradable natural esters insulating oil can improve the fire-proof and explosion-proof performance of transformer and overload performance, and substantially extend transformer
Service life；The design of the radiator structures such as thermal dispersant coatings, cooling fin and water circulation radiator can be to transformer in transformer simultaneously
It is effectively radiated so that transformer entirety Wen Sheng is not higher than the transformer of conventionally employed mineral oil, reduces the system of transformer
This is caused, improves the efficiency grade of transformer.
Description of the drawings
Fig. 1 is a kind of schematic front view of the structure of natural esters insulating oil distribution transformer；
Fig. 2 is a kind of schematic top plan view of the structure of natural esters insulating oil distribution transformer；
Fig. 3 is the structure diagram under a kind of natural esters insulating oil distribution transformer loading water circulation radiator state；
Fig. 4 is a kind of structure diagram of the water circulation radiator in natural esters insulating oil distribution transformer.
In all the appended drawings, identical reference numeral is used for representing identical element or structure, wherein：1st, fuel tank；2nd, iron
Core；3rd, high-tension coil；4th, low-voltage coil；5th, bushing；6th, low-tension bushing；7th, oil level indicator；8th, tap switch；9th, natural esters are exhausted
Edge oil；10th, fuel feeding valve；11st, fuel outlet valve；12nd, cooling fin；13rd, water circulation radiator；14th, oil inlet pipe；15th, petroleum pipeline；16th, go out
Oil pipe；17th, water tank；18th, water circulation mechanism；19th, oil pump；20th, dehydrating breather.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below
The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
As shown in Figs. 1-2, a kind of natural esters insulating oil distribution transformer, including fuel tank 1, iron core 2, high-tension coil 3, low pressure
Coil 4, bushing 5, low-tension bushing 6, oil level indicator 7 and tap switch 8, the fuel tank 1 are elliposoidal, and elliposoidal contributes to
Fluid shuttling movement in fuel tank 1 accelerates cold and hot exchange, and high-tension coil 3 and low-voltage coil 4 are wound around respectively on iron core 2,
The leaching of iron core 2 is loaded in the natural esters insulating oil 9 in fuel tank 1, and high-tension coil 3 and low-voltage coil 4 are typically designed to cover more, fuel tank 1
Bushing 5 and low-tension bushing 6 are installed, bushing 5 and low-tension bushing 6 are 3 He of corresponding high-tension coil on outer surface of cupular part
Low-voltage coil 4 is set, and bushing 5 and low-tension bushing 6 are connect respectively with high-tension coil 3 and low-voltage coil 4,1 top of fuel tank
Side is equipped with oil level indicator 7 and extends in natural esters insulating oil 9, and tap switch 8 is arranged on bushing 5 and low-tension bushing 6
Intermediate 1 top of fuel tank, the opposite side at 1 top of fuel tank are provided with fuel feeding valve 10, and 1 lower box side of fuel tank is provided with fuel outlet valve
11.Natural esters insulating oil 9 has the characteristic for being easy to the moisture absorption, and vacuum oil work can be used in encapsulated transformer for this feature
Skill has effectively removed the moisture in transformer, and transformer oil is not contacted with air, and alleviating needs to inspect periodically transformer dry
The work load of state.When transformer works, iron core 2, high-tension coil 3 and low-voltage coil 4 transfer heat to neighbouring transformation
Device oil, the high oil volume of temperature increase, and proportion reduces, and just to the ionized motion of fuel tank 1, cold oil adds to the original position of deep fat
It puts, transfers heat to fuel tank 1 so as to reach cold and hot exchange and radiate.
With reference to the utility model embodiment, there are a kind of preferred implementations, and 1 wall of fuel tank of the fuel tank 1 is set
For ripple wall construction, ripple wall construction can increase the elasticity of 1 wall of fuel tank.Bellows wall not only increases heat dissipation area, becomes in oil temperature
Height leads to the volume of oil when changing, and the elasticity of ripple wall construction can be to its volume change into row buffering, then hermetically sealed day
Right ester insulating oil distribution transformer can be not provided with fuel reserve tank 1, so as to save the installation space of transformer.
As shown in Fig. 2, the both sides of corresponding 1 long axis of elliposoidal fuel tank can set radiator respectively, radiator is multiple equidistant
Spaced rectangular radiator 12 forms.Further, circular protrusions or helical fin can be uniformly inlayed on cooling fin 12,
To increase the heat dissipation area of cooling fin 12, accelerate transformer heat dissipation.
It, can be in fuel tank 1 and/or cooling fin 12 there are a kind of preferred implementation with reference to the utility model embodiment
Outer surface is coated with the resin base thermal dispersant coatings based on carbon nano modification, and resin base with carbon nano molecular by being combined, due to carbon
Nano molecular has great draw ratio, increases the heat exchange of thermal dispersant coatings, accelerates transformer heat dissipation.Preferred heat dissipation
The thickness of coating is 40~50 μm.
As shown in Figure 3-4, in order to increase the radiating efficiency of transformer, can the side of fuel tank 1 be provided with water circulation cooling
Device 13, water circulation radiator 13 include oil inlet pipe 14, petroleum pipeline 15, flowline 16, water tank 17 and water circulation mechanism 18, oil inlet
Pipe 14 and flowline 16 are connect respectively with fuel feeding valve 10 and fuel outlet valve 11, and oil pump 19,17 sets of water tank are provided on oil inlet pipe 14
On petroleum pipeline 15, the water inlet of water circulation mechanism 18 is arranged on 17 bottom of water tank, and water outlet is arranged on water tank 17
Top.In order to increase the contact area of water and petroleum pipeline 15, the petroleum pipeline 15 in water circulation radiator 13 may be configured as helical form
Or double-helix, to accelerate the heat exchanger effectiveness of transformer.When water circulation radiator 13 works, oil pump 19 is by 1 top temperature of fuel tank
The higher transformer oil of degree, is pumped by oil inlet pipe 14 in petroleum pipeline 15, and heat exchange, Ran Houyou occurs with the water in water tank 17
Flowline 16 returns to fuel tank 1.Transformer oil circulating path is designed as opposite direction with circulating chilled water path, to make full use of temperature
Difference carries out heat exchange, and water circulation mechanism 18 provides power for circulating chilled water, can be into correspondingly, can be designed in water circulation mechanism 18
The device of row external complement moisture, regularly replaces water circulation radiator 13, extends the service life of device.
With reference to the utility model embodiment, there are a kind of preferred implementation, dehydrating breather is may be provided on flowline 16
20, transformer oil can be dried processing in dehydrating breather 20, avoid bringing hydrone in transformer into, and voltage device is caused to damage
It is bad.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principles of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of natural esters insulating oil distribution transformer, including fuel tank (1), iron core (2), high-tension coil (3), low-voltage coil (4),
Bushing (5), low-tension bushing (6), oil level indicator (7) and tap switch (8), which is characterized in that the fuel tank (1) is ellipsoid
Shape, high-tension coil (3) and low-voltage coil (4) are wound around respectively on iron core (2), and iron core (2) leaching is loaded on the day in fuel tank (1)
In right ester insulating oil (9), bushing (5) and low-tension bushing (6), bushing (5) are installed on fuel tank (1) outer surface of cupular part
It is connect respectively with high-tension coil (3) and low-voltage coil (4) with low-tension bushing (6), the side at the top of fuel tank (1) is equipped with oil level indicator
(7) it and extends in natural esters insulating oil (9), tap switch (8) is arranged on bushing (5) and low-tension bushing (6) centre
At the top of fuel tank (1), the opposite side at the top of fuel tank (1) is provided with fuel feeding valve (10), and fuel tank (1) lower box side, which is provided with, drains the oil
Valve (11).
2. natural esters insulating oil distribution transformer according to claim 1, which is characterized in that the fuel tank of the fuel tank (1)
Wall is set as ripple wall construction, and ripple wall construction is used to increase the elasticity of oil tank wall.
3. natural esters insulating oil distribution transformer according to claim 1, which is characterized in that corresponding elliposoidal fuel tank long axis
Both sides be respectively arranged with radiator, radiator is formed for the rectangular radiator (12) of multiple equidistant radial arrangements.
4. natural esters insulating oil distribution transformer according to claim 3, which is characterized in that on the cooling fin (12)
Uniformly it is inlaid with circular protrusions or helical fin.
5. natural esters insulating oil distribution transformer according to any one of claims 1 to 4, which is characterized in that fuel tank (1)
Outer surface be coated with the resin base thermal dispersant coatings based on carbon nano modification, the thickness of the thermal dispersant coatings is 40~50 μm.
6. according to the natural esters insulating oil distribution transformer described in claim 3 or 4, which is characterized in that cooling fin (12)
Outer surface is coated with the resin base thermal dispersant coatings based on carbon nano modification, and the thickness of the thermal dispersant coatings is 40~50 μm.
A kind of 7. natural esters insulating oil distribution transformer according to claim 1, which is characterized in that the side of fuel tank (1)
Be provided with water circulation radiator (13), water circulation radiator (13) including oil inlet pipe (14), petroleum pipeline (15), flowline (16),
Water tank (17) and water circulation mechanism (18), oil inlet pipe (14) and flowline (16) respectively with fuel feeding valve (10) and fuel outlet valve (11)
It connects, is provided with oil pump (19) on oil inlet pipe (14), water tank (17) is sleeved on petroleum pipeline (15), water circulation mechanism (18)
Water inlet is arranged on water tank (17) bottom, and water outlet is arranged at the top of water tank (17).
A kind of 8. natural esters insulating oil distribution transformer as claimed in claim 7, which is characterized in that water circulation radiator (13)
In petroleum pipeline (15) be set as helical form or double-helix.
9. a kind of natural esters insulating oil distribution transformer as claimed in claim 7, which is characterized in that suction is provided on flowline
Wet device (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294816.5U CN207517485U (en) | 2017-09-27 | 2017-09-27 | A kind of natural esters insulating oil distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721294816.5U CN207517485U (en) | 2017-09-27 | 2017-09-27 | A kind of natural esters insulating oil distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207517485U true CN207517485U (en) | 2018-06-19 |
Family
ID=62534091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721294816.5U Active CN207517485U (en) | 2017-09-27 | 2017-09-27 | A kind of natural esters insulating oil distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207517485U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727752A (en) * | 2019-01-26 | 2019-05-07 | 蓉中电气股份有限公司 | A kind of natural esters insulating oil distribution transformer |
| CN109786085A (en) * | 2019-01-26 | 2019-05-21 | 蓉中电气股份有限公司 | A kind of natural esters transformer that insulation effect is good |
| CN109802488A (en) * | 2019-01-23 | 2019-05-24 | 蓉中电气股份有限公司 | A kind of Intelligent remote monitoring system of transformer |
| CN110660564A (en) * | 2019-10-19 | 2020-01-07 | 天晟电气股份有限公司 | Oil-immersed energy-saving transformer with primary energy efficiency |
| CN110957114A (en) * | 2019-12-19 | 2020-04-03 | 吴辉 | Explosion-proof type transformer substation |
| CN114141486A (en) * | 2021-11-24 | 2022-03-04 | 保定天威保变电气股份有限公司 | Natural ester insulating oil transformer oil tank |
-
2017
- 2017-09-27 CN CN201721294816.5U patent/CN207517485U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109802488A (en) * | 2019-01-23 | 2019-05-24 | 蓉中电气股份有限公司 | A kind of Intelligent remote monitoring system of transformer |
| CN109802488B (en) * | 2019-01-23 | 2020-11-24 | 蓉中电气股份有限公司 | Remote intelligent monitoring system of transformer |
| CN109727752A (en) * | 2019-01-26 | 2019-05-07 | 蓉中电气股份有限公司 | A kind of natural esters insulating oil distribution transformer |
| CN109786085A (en) * | 2019-01-26 | 2019-05-21 | 蓉中电气股份有限公司 | A kind of natural esters transformer that insulation effect is good |
| CN109786085B (en) * | 2019-01-26 | 2020-07-14 | 蓉中电气股份有限公司 | Natural ester transformer with good insulation effect |
| CN109727752B (en) * | 2019-01-26 | 2020-07-14 | 蓉中电气股份有限公司 | Natural ester insulating oil distribution transformer |
| CN110660564A (en) * | 2019-10-19 | 2020-01-07 | 天晟电气股份有限公司 | Oil-immersed energy-saving transformer with primary energy efficiency |
| CN110957114A (en) * | 2019-12-19 | 2020-04-03 | 吴辉 | Explosion-proof type transformer substation |
| CN114141486A (en) * | 2021-11-24 | 2022-03-04 | 保定天威保变电气股份有限公司 | Natural ester insulating oil transformer oil tank |
| CN114141486B (en) * | 2021-11-24 | 2024-01-05 | 保定天威保变电气股份有限公司 | Natural ester insulating oil transformer tank |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhou Zhujun Inventor after: Hu Ting Inventor before: Yu Yang Inventor before: Zhou Zhujun Inventor before: Hu Ting Inventor before: Wu Yihua Inventor before: Zhan Hao |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Natural ester insulating oil distribution transformer Effective date of registration: 20220224 Granted publication date: 20180619 Pledgee: Wuhan area branch of Hubei pilot free trade zone of Bank of China Ltd. Pledgor: WUHAN ZEDIAN NEW MATERIAL CO.,LTD. Registration number: Y2022420000045 |