CN207852441U - A kind of buried distribution transformer - Google Patents
A kind of buried distribution transformer Download PDFInfo
- Publication number
- CN207852441U CN207852441U CN201721472514.2U CN201721472514U CN207852441U CN 207852441 U CN207852441 U CN 207852441U CN 201721472514 U CN201721472514 U CN 201721472514U CN 207852441 U CN207852441 U CN 207852441U
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- CN
- China
- Prior art keywords
- transformer
- radiator
- oil tank
- oil
- buried distribution
- 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.)
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Abstract
The utility model is related to a kind of buried distribution transformers.The buried distribution transformer includes oil tank of transformer and the transformer body that is arranged in oil tank of transformer, at least a pair of of opposing sidewalls of the oil tank of transformer are equipped with radiator, the radiator includes radiator, and radiator forms circulating oil path by connecting line and oil tank of transformer.The buried distribution transformer includes oil tank of transformer and the transformer body that is arranged in oil tank of transformer, the opposing sidewalls of oil tank of transformer are equipped with radiator, radiator includes radiator, radiator forms circulating oil path by connecting line and fuel tank, transformer oil in oil tank of transformer passes through the outside heat loss through radiation of radiator, the Wen Sheng of the Covered transformer is reduced, can become makes depressor ontology in suitable operating temperature.
Description
Technical field
The utility model is related to a kind of buried distribution transformers.
Background technology
Traditional transformer be arranged on column mostly or special transformer room in, such mounting means makes transformer
It is directly in air, the service life of transformer can be reduced for a long time by exposing to the sun and rain.Currently, generally using ground in city ecology construction
The transformer body of buried transformer, Covered transformer is located in melt pit, and above ground portion is collection billboard and low-voltage switch box
The mixed structure being integrated, floor space is small, beautifies the environment.But rainy day rainwater can flow into melt pit, cause melt pit inner product
Water is impacted to the insulation of transformer.
Notification number is CN201084514Y, and the day for announcing is that the Chinese patent of 2008.08.17 discloses a kind of buried transformation
Device, the Covered transformer include babinet, case lid and cooling fin, and babinet is hermetically sealed welding structure with case lid, and cooling fin is fixed
In the upper surface of case lid, the upper surface of case lid is further fixed on the outer cover for protecting cooling fin, and outer cover side is equipped with ventilation slot hole, the ground
Buried transformer can dust-proof, anti-rain, outer cover be equipped with ventilation slot hole can ensure that cross-ventilation is abundant, is conducive to transformer
Heat dissipation.
But since the heat dissipation of Covered transformer is mainly by transformer oil tank wall heat loss through radiation, pacify on case lid
Fill cooling fin heat dissipation slowly, heat dissipation effect is poor, if cannot radiate in time, it is understood that there may be security risk.
Utility model content
The purpose of this utility model is to provide a kind of buried distribution transformers, solve buried change in the prior art
The problem of the heat dissipation effect difference of depressor.
To achieve the above object, the technical solution of the utility model buried distribution transformer is：
Technical solution 1：Buried distribution transformer includes oil tank of transformer and the transformer that is arranged in oil tank of transformer
Ontology, at least a pair of of opposing sidewalls of the oil tank of transformer are equipped with radiator, and the radiator includes radiator, heat dissipation
Device forms circulating oil path by connecting line and oil tank of transformer.Advantage is：The buried distribution transformer includes becoming
The opposing sidewalls of depressor fuel tank and the transformer body being arranged in oil tank of transformer, oil tank of transformer are equipped with radiator,
Radiator includes radiator, and radiator forms circulating oil path, the transformer in oil tank of transformer by connecting line and fuel tank
Oil reduces the Wen Sheng of the Covered transformer, can become makes depressor ontology in suitable work by radiating outside radiator radiation direction
Make temperature.
Technical solution 2：On the basis of technical solution 1, the quantity of the radiator is two or more, and radiator is along separate
The direction interval of fuel tank is arranged in parallel.Advantage is：The quantity of radiator is two or more, and radiator is along separate fuel tank
Direction interval is arranged in parallel to form a plurality of circulating oil path, the Wen Sheng reduced in oil tank of transformer by a larger margin.
Technical solution 3：On the basis of technical solution 2, the radiator is flat-plate radiator.Advantage is：
The radianting capacity of flat-plate radiator is strong, and heat dissipation effect is more preferable.
Technical solution 4：On the basis of technical solution 1 or 2 or 3, the oil tank of transformer is rectangular parallelepiped structure, transformer
The long side of fuel tank is equipped with radiator more than two, and the short side of the oil tank of transformer is equipped with one group or more radiator.
Technical solution 5：On the basis of technical solution 4, convex-concave knot is equipped at intervals on the peripheral surface of the oil tank of transformer
Structure, the convex-concave structure are bent to form by tank wall.Advantage is：Convex-concave knot is equipped at intervals on the peripheral surface of oil tank of transformer
Structure can not only increase the heat dissipation area of oil tank of transformer, and can increase the mechanical strength of fuel tank.
Technical solution 6：On the basis of technical solution 5, the fuel tank cap of the oil tank of transformer is filled equipped with high-voltage terminal
It sets and low-voltage outlet device, the fuel tank cap is tightly connected with oil tank of transformer.
Technical solution 7：On the basis of technical solution 6, the fuel tank cap is connect with oil tank of transformer by welded seal.
Technical solution 8：On the basis of technical solution 5 or 6 or 7, the pasta of the transformer oil in the oil tank of transformer
There are air layers between fuel tank cap.Advantage is：Between the pasta and fuel tank cap of transformer oil in oil tank of transformer
There are air layers, can prevent the imflammable gas such as the acetylene generated in fuel tank cap welding process and pollute transformer oil, in turn
Influence the insulation performance of transformer oil.
Technical solution 9：On the basis of technical solution 8, seals and be fixed with for protecting high-voltage terminal device in fuel tank cap
Sealing with low-voltage outlet device increases protecting seat, and the side wall of the sealing raising protecting seat is equipped with to be filled with high-voltage terminal respectively
The high-tension cable outlet set and outlet hole corresponding with the low-voltage cable outlet of low-voltage outlet device are equipped with sealing at outlet hole
Outlet structure.Advantage is：Sealing increases protecting seat can be to the high-voltage terminal device and low-pressure line-outgoing dress in fuel tank cap
It sets and plays protective action, buried distribution transformer long-time safe operation in water can be made, be suitable for moist rainy ground
Area.
Technical solution 10：On the basis of technical solution 9, the sealing increases protecting seat and is welded in fuel tank cap.
Technical solution 11：On the basis of technical solution 9 or 10, the sealing outlet structure includes being mounted in outlet hole
The flange mounting plate of outer both sides is equipped with flange on flange mounting plate, between the flange mounting plate and the side wall for increasing seat with
And it is equipped with gasket between sealing flange mounting plate and flange.
Description of the drawings
Fig. 1 is the front view of the utility model buried distribution transformer；
Fig. 2 is the vertical view of buried distribution transformer shown in FIG. 1；
Fig. 3 is the left view of buried distribution transformer shown in FIG. 1.
Reference sign：1. oil tank of transformer；2. transformer body；3. flat-plate radiator；4. short steel pipes；5. long steel
Pipe；6. high-voltage tap changer；7. high-voltage terminal device；8. low-voltage outlet device；9. pressure relief valve；10. flange mounting plate；
11. connecting flange；12. gasket；13. convex-concave structure；14. fuel tank cap；15. sealing increases protecting seat.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The embodiment 1 of the utility model buried distribution transformer, as shown in Figure 1 to Figure 3, the buried distribution transformer
Including transformer oil tank of transformer 1 and the transformer body being arranged in transformer oil tank of transformer 12, transformer transformer oil
Case 1 is whole using stainless steel material, and transformer oil tank of transformer 1 is full-closed structure.On the outer wall of transformer oil tank of transformer 1
Equipped with radiator, radiator includes radiator, and radiator forms circulating oil path by connecting line and oil tank of transformer 1.
Connecting line is the long steel pipe 5 being welded on the outer wall of transformer oil tank of transformer 1, and radiator is along far from 1 side of oil tank of transformer
Interval is arranged in parallel upwards, and the quantity of radiator is three, and radiator is flat-plate radiator 3.
Oil tank of transformer 1 is rectangular parallelepiped structure, and the long side of oil tank of transformer 1 is equipped with two pack heat dissipation devices, oil tank of transformer 1
Short side be equipped with a pack heat dissipation device, weld parallel connection by four short steel pipes 4 between adjacent heat radiation device.Outside oil tank of transformer 1
Convex-concave structure 13 is equipped at intervals on circumferential surface, convex-concave structure 13 is bent to form by tank wall.
The fuel tank cap 14 of oil tank of transformer 1 is equipped with high-voltage terminal device 7, low-voltage outlet device 8, high-voltage tap changer 6
And high pressure protector, high-voltage terminal device 7 include casing seat, one-way sleeve and elbow-type plug, low-voltage outlet device 8 includes filling
Plug after plug and T-type before gas holder casing, T-type, high pressure protector includes pressure relief valve 9 and oil thermometer.Fuel tank cap 14 with
1 welded seal of oil tank of transformer, there are air layers between the pasta and fuel tank cap 14 of the transformer oil in oil tank of transformer 1, prevent
Only fuel tank cap generates the imflammable gas such as acetylene and pollutes transformer oil in the welding process.
Sealing is fixed with for protecting high-voltage terminal device 7, low-voltage outlet device 8 and high pressure protector in fuel tank cap 14
Sealing increase protecting seat 15, the side wall that sealing increases protecting seat 15 is equipped with the high-tension cable with high-voltage terminal device 7 respectively
The corresponding outlet hole of low-pressure line-outgoing cable of outlet and low-voltage outlet device 8, outlet hole is square hole, is equipped with out at outlet hole
Linear sealing structure.Outgoing line sealing structure includes the flange mounting plate 10 being arranged inside and outside outlet hole, on flange mounting plate 10
Equipped with connecting flange 11, it is all provided between flange mounting plate 10 and the side wall of sealing raising protecting seat 15 and between connecting flange 11
There is gasket 12.The surrounding that sealing increases on protecting seat 15 in outlet hole is welded with stud, and flange mounting plate 10 passes through bolt spiral shell
Column, which compresses, to be connected on the side wall of sealing raising protecting seat 15.
The utility model buried distribution transformer is when carrying out distribution work, the heat that the work of transformer body 2 generates,
As illustrated by the arrows in fig. 1, hot transformer oil is entered by connecting line in oil tank of transformer for the cyclic process of transformer oil
Flat-plate radiator, flat-plate radiator are cooled down transformer oil by heat loss through radiation, and the transformer oil cooled enters back into change
In depressor fuel tank 1, the Wen Sheng of transformer body 2, good heat dissipation effect are reduced.In addition, being equipped with out linear sealing at high-low voltage outlet
Structure, it is ensured that buried distribution transformer long-time safe operation in water is suitable for moist rainy area.
The embodiment 2 of the utility model buried distribution transformer, with the difference is that only for embodiment 1, radiator
For undulatory radiator, the heat dissipation area bigger of corrugated radiator, but the radianting capacity of undulatory cooling fin is weaker.
The embodiment 3 of the utility model buried distribution transformer, and the difference is that only for embodiment 1, fuel tank
A pack heat dissipation device, the equal length of flat radiator the setting length and fuel tank long side of radiator is arranged in long side.
The embodiment 4 of the utility model buried distribution transformer, with the difference is that only for embodiment 1, the oil
Convex-concave structure is not provided on the peripheral surface of case, but the mechanical strength for being not provided with convex-concave structure fuel tank is poor, heat dissipation area is smaller,
Convex-concave structure preferably is set on the peripheral surface of fuel tank.
In other embodiments, radiator interval setting four or five along the direction far from fuel tank, still, heat dissipation
Device is arranged more, and the volume of distribution transformer is bigger, and the working procedure of melt pit is more complicated.
Claims (9)
1. buried distribution transformer, including oil tank of transformer and the transformer body being arranged in oil tank of transformer, feature
It is：At least a pair of of opposing sidewalls of the oil tank of transformer are equipped with radiator, and the radiator includes radiator, heat dissipation
Device forms circulating oil path by connecting line and oil tank of transformer；The quantity of the radiator is two or more, and radiator is along remote
Direction interval from fuel tank is arranged in parallel.
2. buried distribution transformer according to claim 1, it is characterised in that：The radiator is flat heat dissipation
Device.
3. buried distribution transformer according to claim 1 or 2, it is characterised in that：The oil tank of transformer is rectangular
The long side of body structure, oil tank of transformer is equipped with radiator more than two, and the short side of the oil tank of transformer is equipped with one group or more
Radiator.
4. buried distribution transformer according to claim 3, it is characterised in that：On the peripheral surface of the oil tank of transformer
It is equipped at intervals with convex-concave structure, the convex-concave structure is bent to form by tank wall.
5. buried distribution transformer according to claim 4, it is characterised in that：In the fuel tank cap of the oil tank of transformer
Equipped with high-voltage terminal device and low-voltage outlet device, the fuel tank cap is tightly connected with oil tank of transformer.
6. buried distribution transformer according to claim 5, it is characterised in that：The fuel tank cap is logical with oil tank of transformer
Cross welded seal connection.
7. the buried distribution transformer according to claim 4 or 5 or described in 6, it is characterised in that：In the oil tank of transformer
There are air layers between the pasta and fuel tank cap of transformer oil.
8. buried distribution transformer according to claim 7, it is characterised in that：Sealing is fixed with for preventing in fuel tank cap
The sealing of shield high-voltage terminal device and low-voltage outlet device increases protecting seat, and the side wall of the sealing raising protecting seat, which is equipped with, to be divided
The not and high-tension cable outlet of high-voltage terminal device and outlet hole corresponding with the low-voltage cable outlet of low-voltage outlet device, goes out
Sealing outlet structure is equipped at string holes.
9. buried distribution transformer according to claim 8, it is characterised in that：It is solid that the sealing increases protecting seat welding
It is scheduled in fuel tank cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721472514.2U CN207852441U (en) | 2017-11-07 | 2017-11-07 | A kind of buried distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721472514.2U CN207852441U (en) | 2017-11-07 | 2017-11-07 | A kind of buried distribution transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852441U true CN207852441U (en) | 2018-09-11 |
Family
ID=63422422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721472514.2U Expired - Fee Related CN207852441U (en) | 2017-11-07 | 2017-11-07 | A kind of buried distribution transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473697A (en) * | 2019-09-17 | 2019-11-19 | 北京国电环网电气科技有限公司 | A kind of cooling mechanism and underwater power transformer of power transformer |
-
2017
- 2017-11-07 CN CN201721472514.2U patent/CN207852441U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110473697A (en) * | 2019-09-17 | 2019-11-19 | 北京国电环网电气科技有限公司 | A kind of cooling mechanism and underwater power transformer of power transformer |
| CN110473697B (en) * | 2019-09-17 | 2024-09-10 | 北京国电环网电气科技有限公司 | Heat dissipation mechanism of power transformer and underwater power transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180911 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |