CN203910435U - Elbow-shaped detachable underground distribution transformer structure - Google Patents
Elbow-shaped detachable underground distribution transformer structure Download PDFInfo
- Publication number
- CN203910435U CN203910435U CN201320485154.5U CN201320485154U CN203910435U CN 203910435 U CN203910435 U CN 203910435U CN 201320485154 U CN201320485154 U CN 201320485154U CN 203910435 U CN203910435 U CN 203910435U
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- China
- Prior art keywords
- elbow
- distribution transformer
- underground distribution
- transformer structure
- shaped inserting
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- Expired - Fee Related
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Abstract
An elbow-shaped detachable underground distribution transformation structure comprises an oil tank housing, a tank cover, a coil and an iron core, wherein the coil and the iron core are both placed in the oil tank housing; a plurality of corrugated heat radiation sheets are welded to form the oil tank housing; each corrugated heat radiation sheet is formed a steel plate; a through hole is formed in the long lateral side of the oil tank housing; a high voltage elbow-shaped plug pedestal flange is welded on the through hole; and the high voltage elbow-shaped plug pedestal flange is provided with at three elbow-shaped plug pedestals. The corrugated heat radiation sheets are welded to form a case body, so dual requirements of strength and heat radiation of an underground distribution transformer can be achieved; a tank body is equipped with a waterproof high voltage connector in a sealed elbow-shaped detachable structure and the tank cover is provided with a low voltage connector seal box, so connection and extension of high and low pressure circuits can be realized; the elbow-shaped detachable underground distribution transformer structure can be easily maintained and possesses great water resisting effect; and with a three-phase high voltage fuse on the tank cover, long-lasting protection to a transformer body can be achieved, so the elbow-shaped detachable underground distribution transformer structure is suitable for development trend of underground power distribution network.
Description
Technical field:
The utility model relates to electricity field, relates in particular to underground distribution transformer, particularly a kind of elbow-shaped inserting/pulling type underground distribution transformer structure.
Background technology:
In prior art, the structure of underground distribution transformer only changes the mode of connection of conventional distribution transformer into sealing outlet, although can realize certain waterproof effect, cause Repair of Transformer difficulty, and its waterproof effect is general.Meanwhile, underground distribution transformer is difficult to meet heat radiation requirement, can not meet requirement and the fail safe service conditions of Chinese national standard GB/T10544-2006.
Utility model content:
The purpose of this utility model is to provide a kind of elbow-shaped inserting/pulling type underground distribution transformer structure, and the sealing outlet structure that described this elbow-shaped inserting/pulling type underground distribution transformer structure will solve underground distribution transformer in prior art causes Repair of Transformer difficulty and the general technical problem of waterproof effect.
This elbow-shaped inserting/pulling type underground distribution transformer structure of the present utility model, comprise tank envelope, case lid, coil and iron core, described coil and iron core are all arranged in described tank envelope, described case lid is arranged on tank envelope, wherein, described tank envelope forms by a plurality of corrugated fin welding are assembled, corrugated fin described in any one by steel plate for example A3 steel plate form, the long side of tank envelope is provided with through hole, described through hole is welded with high pressure elbow type plug base flange, on described high pressure elbow type plug base flange, be at least provided with three elbow type plug bases.
Further, shunting switch, pressure relief valve, a low voltage cable connector seal box and three high-tension fuse seal boxes are set on case lid.
Further, in the elbow type plug base described in any one, be provided with separately a plug-in waterproof elbow type cable termination.
Further, any one corrugated fin forms by corrosion resistant plate.
Further, described low voltage cable connector seal box adopts water proof type hermetically-sealed construction.
Further, be provided with separately plug-in Lazer high-tension fuse in the high-tension fuse seal box described in any one, the plug-in Lazer high-tension fuse described in any one is all connected with high-tension fuse seal box by hermetically-sealed construction independently separately.
Further, on case lid, be provided with oil level indicator.
Further, the surface of tank envelope and the surface of case lid are all coated with corrosion-inhibiting coating.
Further, be provided with dielectric in fuel tank, the proportion of described dielectric is greater than the proportion of water.
Operation principle of the present utility model is: utilize the corrugated fin of A3 steel plate or corrosion resistant plate formation through welding production casing, meet the intensity of underground distribution transformer and the double requirements of heat radiation, the high-tension connector of waterproof sealing elbow type connect-disconnect structure is set on casing, low voltage connector seal box is set on case lid, realize connection and the expansion of high-and low-voltage circuit, easily, waterproof effect improves greatly in maintenance.Meanwhile, utilize the three-phase high-voltage fuse arranging on case lid to realize the long-effective protection to transformer body.
Compared with prior art, its effect is actively with obvious to the utility model.The utility model utilizes the corrugated fin of A3 steel plate or corrosion resistant plate formation through welding production casing, meet the intensity of underground distribution transformer and the double requirements of heat radiation, the high-tension connector of waterproof sealing elbow type connect-disconnect structure is set on casing, low voltage connector seal box is set on case lid, realize connection and the expansion of high-and low-voltage circuit, easily, waterproof effect improves greatly in maintenance.Meanwhile, utilize the three-phase high-voltage fuse arranging on case lid to realize the long-effective protection to transformer body.The utility model has improved the safe operation guarantee of the underground transformer under adverse circumstances, meeting under the requirement of GB GB/T10544-2006 and the underground condition requiring for distribution technique of power distribution network development simultaneously, structural design can reach the most rational spillage of material, realize quality and benifit and maximize, compatibly descend the developing direction of power distribution network technology.
Accompanying drawing explanation:
Fig. 1 is the structural representation of a kind of elbow-shaped inserting/pulling type underground distribution transformer structure of the present utility model.
Fig. 2 is the schematic top plan view of a kind of elbow-shaped inserting/pulling type underground distribution transformer structure of the present utility model.
Embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of elbow-shaped inserting/pulling type underground distribution transformer structure of the present utility model, comprise tank envelope 1, case lid 5, coil (not shown) and iron core (not shown), described coil and iron core are all arranged in tank envelope 1, case lid 5 is arranged on tank envelope 1, wherein, welding is assembled forms by a plurality of corrugated fin 4 for tank envelope 1, any one corrugated fin 4 by steel plate for example A3 steel plate form, the long side of tank envelope 1 is provided with through hole, through hole is welded with high pressure elbow type plug base flange 2, on high pressure elbow type plug base flange 2, be at least provided with three elbow type plug bases.
Further, shunting switch (not shown), pressure relief valve (not shown), a low voltage cable connector seal box 6 and three high-tension fuse seal boxes 7 are set on case lid 5.
Further, in any one elbow type plug base, be provided with separately a plug-in waterproof elbow type cable termination (not shown).
Further, any one corrugated fin 4 forms by corrosion resistant plate.
Further, low voltage cable connector seal box 6 adopts water proof type hermetically-sealed construction.
Further, be provided with separately plug-in Lazer high-tension fuse (not shown) in any one high-tension fuse seal box 7, any one plug-in Lazer high-tension fuse all passes through separately independently hermetically-sealed construction and is connected with high-tension fuse seal box 7.
Further, on case lid 5, be provided with oil level indicator (not shown).
Further, the surface of the surface of tank envelope 1 and case lid 5 is all coated with corrosion-inhibiting coating.
Further, be provided with dielectric in fuel tank, the proportion of dielectric is greater than the proportion of water.
Concrete, on case lid 5, be provided with suspension ring (not shown) and nameplate (not shown).
On fuel tank shell 1, be provided with suspension hook (not shown).
The operation principle of the present embodiment is: utilize the corrugated fin 4 of A3 steel plate or corrosion resistant plate formation through welding production casing, meet the intensity of underground distribution transformer and the double requirements of heat radiation, the high-tension connector of waterproof sealing elbow type connect-disconnect structure is set on casing, low voltage connector seal box is set on case lid 5, realize connection and the expansion of high-and low-voltage circuit, easily, waterproof effect improves greatly in maintenance.Meanwhile, utilize the three-phase high-voltage fuse arranging on case lid 5 to realize the long-effective protection to transformer body.
Claims (9)
1. an elbow-shaped inserting/pulling type underground distribution transformer structure, comprise tank envelope, case lid, coil and iron core, described coil and iron core are all arranged in described tank envelope, described case lid is arranged on tank envelope, it is characterized in that: described tank envelope forms by a plurality of corrugated fin welding are assembled, corrugated fin described in any one forms by steel plate, the long side of tank envelope is provided with through hole, described through hole is welded with high pressure elbow type plug base flange, on described high pressure elbow type plug base flange, be at least provided with three elbow type plug bases.
2. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 1, is characterized in that: shunting switch, pressure relief valve, a low voltage cable connector seal box and three high-tension fuse seal boxes are set on case lid.
3. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 1, is characterized in that: in the elbow type plug base described in any one, be provided with separately a plug-in waterproof elbow type cable termination.
4. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 1, is characterized in that: any one corrugated fin forms by corrosion resistant plate.
5. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 2, is characterized in that: described low voltage cable connector seal box adopts water proof type hermetically-sealed construction.
6. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 2, it is characterized in that: in the high-tension fuse seal box described in any one, be provided with separately plug-in Lazer high-tension fuse, the plug-in Lazer high-tension fuse described in any one is all connected with high-tension fuse seal box by hermetically-sealed construction independently separately.
7. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 1, is characterized in that: on case lid, be provided with oil level indicator.
8. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 1, is characterized in that: the surface of tank envelope and the surface of case lid are all coated with corrosion-inhibiting coating.
9. a kind of elbow-shaped inserting/pulling type underground distribution transformer structure as claimed in claim 1, is characterized in that: in fuel tank, be provided with dielectric, the proportion of described dielectric is greater than the proportion of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485154.5U CN203910435U (en) | 2013-08-08 | 2013-08-08 | Elbow-shaped detachable underground distribution transformer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320485154.5U CN203910435U (en) | 2013-08-08 | 2013-08-08 | Elbow-shaped detachable underground distribution transformer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203910435U true CN203910435U (en) | 2014-10-29 |
Family
ID=51784692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320485154.5U Expired - Fee Related CN203910435U (en) | 2013-08-08 | 2013-08-08 | Elbow-shaped detachable underground distribution transformer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203910435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413651A (en) * | 2013-08-08 | 2013-11-27 | 上海瑞奇电气设备有限公司 | Elbow type pluggable underground distribution transformer structure |
-
2013
- 2013-08-08 CN CN201320485154.5U patent/CN203910435U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413651A (en) * | 2013-08-08 | 2013-11-27 | 上海瑞奇电气设备有限公司 | Elbow type pluggable underground distribution transformer structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180808 |