CN2583782Y - Underground transformer - Google Patents
Underground transformer Download PDFInfo
- Publication number
- CN2583782Y CN2583782Y CN 02275105 CN02275105U CN2583782Y CN 2583782 Y CN2583782 Y CN 2583782Y CN 02275105 CN02275105 CN 02275105 CN 02275105 U CN02275105 U CN 02275105U CN 2583782 Y CN2583782 Y CN 2583782Y
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- CN
- China
- Prior art keywords
- fuel tank
- terminal
- outlet
- transformer
- input terminal
- 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
The utility model relates to a transformer, particularly a sealing type transformer. The transformer is composed of an R-shaped iron core (9), a coil group (8) which is wound on the R-shaped iron core, a wire input terminal (3) and a wire outlet terminal (7). Because the connecting point of a wire input cable (2) and the wire input terminal (3) and the connecting point of the wire outlet terminal (7) and a wire outlet cable (6) are both positioned in an oil tank, the external surface of the oil tank can be directly buried under ground through the anticorrosion treatment, and the transformer oil in the oil tank adopts the F-grade transformer oil with good heat conducting effect.
Description
The utility model relates to a kind of transformer, especially a kind of hermetically sealed type transformer.
Traditional transformer comprises inlet wire cable, input terminal, iron core, coil groups, outlet terminal, outlet cable on the iron core.For abundant heat radiation, iron core, the coil groups on iron core place fuel tank, and fuel tank is to being externally connected with fin.For loss and the quantity of heat production that reduces transformer, at present R sections cores that adopt more.The tie point of the inlet wire cable of this type of transformer and the tie point of input terminal, outlet cable and outlet terminal all is positioned at the outside of fuel tank, generally is placed on liftoff eminence or be placed in the special transformer room more than 1.8 meters in order to guarantee safety and heat radiation transformer.This kind transformer is provided with poor stability.And the transformer that is provided with in the present city is many and road is parallel, and transformer places remarkable position to cause adverse effect to urban highway traffic.
The utility model provides a kind of buried transformer at shortcoming of the prior art.
The utility model comprises inlet wire cable 2, input terminal 3, R sections core 9, coil groups 8, outlet terminal 7, outlet cable 6, fuel tank on the R sections core, inlet wire cable 2 is connected with input terminal 3, outlet cable 6 is connected with outlet terminal 7, contains transformer oil in the fuel tank
Because in the utility model, R sections core 9, coil groups 8, input terminal 3, outlet terminal 7 and inlet wire cable 2 on the R sections core all are arranged in fuel tank with junction, the outlet terminal 7 of input terminal 3 with the junction of outlet cable 6.Therefore the fuel tank outer surface is underground through can directly being embedded in after the preservative treatment.
Below in conjunction with drawings and Examples the utility model is further described.Fig. 1 is a structural representation of the present utility model.
It is sealing that transformer directly is embedded in the underground subject matter that needs to solve.R sections core 9, the coil groups 8 on the R sections core, input terminal 3, outlet terminal 7 and inlet wire cable 2 all are arranged in fuel tank with junction, the outlet terminal 7 of input terminal 3 with the junction of outlet cable 6.Therefore tank surface is underground through can directly being embedded in after the preservative treatment.It is heat radiation that transformer directly is embedded in underground another subject matter that needs to solve.Buried transformer should be selected the little iron core of quantity of heat production according to the operational environment requirement.Replace the Type B iron core, though can reduce the quantity of heat production of transformer, the utility model is selected R sections core for use.In order to allow heat distribute as early as possible, the transformer oil in the fuel tank can adopt the F level transformer oil of good heat conduction effect.
But the cost of F level transformer oil is higher, in order further to improve the utility model.The main fuel tank 1 in the middle of can fuel tank being spaced apart with internal portioning layer 10 and the terminal fuel tank 4 of both sides, main fuel tank 1 only communicates on top with terminal fuel tank 4, R sections core 9, the coil groups 8 on R sections core place main fuel tank 1, and the junction of the junction of input terminal 3, outlet terminal 7 and inlet wire cable 2 and input terminal 3, outlet terminal 7 and outlet cable 6 lays respectively in the terminal fuel tank 4 of main fuel tank both sides.Contain the low B level transformer oil of cost in the main fuel tank 1, contain the cost height in the terminal fuel tank 4 but the good F level transformer oil of thermal conductivity.In order to allow heat be passed in the terminal fuel tank in order to heat radiation by main fuel tank, internal portioning layer 10 is made by good heat conducting material.All near conducting place of internal portioning layer, generally two internal portioning layers more than 4/5 at internal portioning layer 10 respectively have 1-10 heat radiation pod apertures 5 to oil in main fuel tank, the terminal fuel tank.When main fuel tank is overheated, the transformer oil expanded by heating in the main fuel tank, transformer oil flows to the terminal fuel tank, directly contacts with F level transformer oil, and heat-transfer effect further strengthens, and it is faster to dispel the heat.With do not melt mutually, B level transformer oil proportion is low to float on above the F level transformer oil, after the main fuel tank temperature reduces, the anti-main fuel tank that flows back to of B level transformer oil.Because main fuel tank, terminal fuel tank are separated by internal portioning layer, the accident sparking between each phase of input terminal, between each phase of outlet terminal can not be delivered on iron core and the rich line group, has improved useful life.Certainly adopt other modes to allow main fuel tank communicate, as open narrow slit etc. with terminal fuel tank top.
Claims (5)
1. buried transformer, comprise inlet wire cable (2), input terminal (3), R sections core (9), coil groups (8) on the R sections core, outlet terminal (7), outlet cable (6), fuel tank, described inlet wire cable (2) is connected with input terminal (3), outlet cable (6) is connected with outlet terminal (7), contain transformer oil in the described fuel tank, R sections core (9), coil (8) group on R sections core places fuel tank, it is characterized in that: described input terminal (3), the junction of outlet terminal (7) and inlet wire cable (2) and input terminal (3), outlet terminal (7) also is arranged in fuel tank with the junction of outlet cable (6).
2. buried transformer according to claim 1 is characterized in that: the transformer oil in the described fuel tank is a F level transformer oil.
3. buried transformer according to claim 1, it is characterized in that: the main fuel tank (1) in the middle of described fuel tank is spaced apart by internal portioning layer (10) and the terminal fuel tank (4) of both sides, main fuel tank (1) only communicates on top with terminal fuel tank (4), described R sections core (9), the coil groups (8) on R sections core place main fuel tank (1), and described input terminal (3), outlet terminal (7) and inlet wire cable (2) are arranged in terminal fuel tank (4) with junction, the outlet terminal (7) of input terminal (3) with the junction of outlet cable (6); Contain B level transformer oil in the described main fuel tank (1), contain F level transformer oil in the described terminal fuel tank (4).
4. buried transformer according to claim 3 is characterized in that: described internal portioning layer (10) is made by good heat conducting material.
5. according to claim 3 or 4 described buried transformers, it is characterized in that: 4/5 above place of described two internal portioning layers (10) respectively has 1-10 heat radiation pod apertures (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275105 CN2583782Y (en) | 2002-09-04 | 2002-09-04 | Underground transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02275105 CN2583782Y (en) | 2002-09-04 | 2002-09-04 | Underground transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2583782Y true CN2583782Y (en) | 2003-10-29 |
Family
ID=33739231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02275105 Expired - Fee Related CN2583782Y (en) | 2002-09-04 | 2002-09-04 | Underground transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2583782Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468039A (en) * | 2010-11-11 | 2012-05-23 | 中国广东核电集团有限公司 | Oil cooling system of large transformer for nuclear power station |
-
2002
- 2002-09-04 CN CN 02275105 patent/CN2583782Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102468039A (en) * | 2010-11-11 | 2012-05-23 | 中国广东核电集团有限公司 | Oil cooling system of large transformer for nuclear power station |
| CN102468039B (en) * | 2010-11-11 | 2016-04-20 | 中国广核集团有限公司 | A kind of oil cooling system of used in nuclear power station high-power transformer |
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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: 20031029 Termination date: 20110904 |