CN201975245U - Pluggable cable transformer - Google Patents
Pluggable cable transformer Download PDFInfo
- Publication number
- CN201975245U CN201975245U CN2010206995947U CN201020699594U CN201975245U CN 201975245 U CN201975245 U CN 201975245U CN 2010206995947 U CN2010206995947 U CN 2010206995947U CN 201020699594 U CN201020699594 U CN 201020699594U CN 201975245 U CN201975245 U CN 201975245U
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- CN
- China
- Prior art keywords
- plug
- insulating barrier
- transformer
- cable
- box body
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- Expired - Fee Related
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Abstract
The utility model discloses a pluggable cable transformer which comprises a main oil tank of a transformer, a pluggable socket box and a lead. The main oil tank of the transformer is provided with an interface; the pluggable socket box is connected with the interface in a sealing way; the lead which is connected with a pluggable cable head is arranged between the main oil tank of the transformer and the pluggable socket box; the pluggable socket box is internally provided with an insulating partition plate device; the insulating partition plate device comprises an insulating partition plate, a support ring, an insulating corner ring and a sealing ring, wherein the insulating partition plate is provided with a hole, and the support ring, the insulating corner ring and the sealing ring are used for connecting the insulating partition plate with the pluggable socket box in a sealing way; and the lead passes through the hole on the insulating partition plate and is sealed and fixed in the hole by the insulating corner ring and the sealing ring. The pluggable cable transformer can reduce the filtered oil amount during the commission test and the cost and can be popularized.
Description
Technical field
The utility model relates to transformer technology, relates in particular to a kind of plug-in Cable Transformer.
Background technology
With reference to shown in Figure 1, structural representation when Fig. 1 shows plug-in Cable Transformer of the prior art test, particularly, this plug-in transformer comprises: the plug seat-box body 3 that transformer main fuel tank 1, transformer main fuel tank 1 are provided with interface 8, are communicated with interface 8.Wherein, top connection rising seat 5, the bottom of the plug seat-box body 3 of interface 8 connections are communicated with plug-in cable end 2, its inside is provided with and goes between 4.During test before the plug-in Cable Transformer is used, lead-in wire 4 can be electrically connected the seat 5 that raises (this seat that raises is the test seat that raises), this moment, the test casing 7 by this risings seat 5 tops connection detected.Plug-in transformer after detecting meets instructions for use, when reality is used, can 4 be electrically connected with plug-in cable end 2 going between, and then incorporate high-voltage fence into.Above-mentioned plug-in Cable Transformer is plug-in cable termination transformer.
Yet the inside of the transformer main fuel tank 1 of above-mentioned plug-in Cable Transformer and plug seat-box body 3 all is filled with insulating oil, and transformer main fuel tank 1 and 3 connections of plug seat-box body.So, when pre-operatienal test, lead-in wire 4 closures are changed and the insulating oil of its transformer main fuel tank 1 and plug seat-box body 3 inside all need be bled off, make lead-in wire 4 then and the seat 5 that raises on electrical connection, fill with in accordance with regulations and filter qualified insulating oil and again transformer is tested.In addition, testing, also needing the insulating oil that it is inner to bleed off, will go between 4 is connected with plug-in cable end 2, and then filters qualified insulating oil and could normally use being full of in its main fuel tank 1 and the plug seat-box body 3 once more.Said process causes the plug-in Cable Transformer to need to filter repeatedly insulating oil before using, and makes that oil strain amount cost is very high, can't promote the use of.
The utility model content
The utility model provides a kind of plug-in Cable Transformer, this plug-in Cable Transformer can plug seat-box body and transformer main fuel tank separately so that when before assembling is used, testing the plug-in Cable Transformer, can reduce the oil strain amount, reduce cost, can promote the use of.
The utility model provides a kind of plug-in Cable Transformer, plug seat-box body with the transformer main fuel tank of interface and the described interface that is tightly connected, and between described transformer main fuel tank and the plug seat-box body lead-in wire that connects the plug-in cable end being arranged, its plug seat-box body inside is provided with the insulating barrier device;
Described insulating barrier device comprises: the support ring that has insulating barrier, insulation collar ring, the sealing ring in hole and be used for insulating barrier and described plug seat-box body are tightly connected;
Described lead-in wire passes the hole of described insulating barrier, and by at least one described insulation collar ring and at least one described sealing ring with in the described hole of described lead-in wire sealing and fixing.
Aforesaid plug-in Cable Transformer, wherein, the lead-in wire that is positioned at described insulating barrier hole is the screwed conducting rods in two ends.
Aforesaid plug-in Cable Transformer, wherein, described insulating barrier device also comprises: the hold down gag that is used to compress described insulation collar ring and described sealing ring.
Aforesaid plug-in Cable Transformer, wherein, described support ring is the support ring of rounding.
Aforesaid plug-in Cable Transformer, wherein, described support ring is provided with the screw-threaded counterbore of the described plug seat-box body that is tightly connected, and by dormant bolt described support ring is fixed in the described insulating barrier.
Aforesaid plug-in Cable Transformer, wherein,
Top away from a side of described interface in the described plug seat-box body also is provided with the seat that raises, and this seat that raises connects described test casing, and described lead-in wire is electrically connected with described test casing when the described plug-in Cable Transformer of test.
Aforesaid plug-in Cable Transformer, wherein, described plug-in Cable Transformer also comprises, with the connecting leg that is communicated with described transformer main fuel tank away from the top of a side of described interface in the described plug seat-box body, this connecting leg is provided with valve.
Aforesaid plug-in Cable Transformer, wherein, described hole is positioned at the middle part of described insulating barrier.
Aforesaid plug-in Cable Transformer, wherein, three described insulation collar rings and three described sealing rings are interspersed respectively in the both sides of insulating barrier, in the described hole of described conducting rod sealing and fixing.
Plug-in Cable Transformer of the present utility model, this plug-in Cable Transformer can be separated plug seat-box body and transformer main fuel tank, so that when before assembling is used, testing the plug-in Cable Transformer, can reduce the oil strain amount and reach energy-saving and cost-reducing purpose, reduce cost, guaranteed the reliability of plug-in Cable Transformer, and can promote the use of.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Structural representation when Fig. 1 is plug-in Cable Transformer of the prior art test;
Fig. 2 is the structural representation of the plug-in Cable Transformer when test embodiment in the utility model;
Fig. 3 is the structural representation of the insulating barrier device among the formula of the pulling out cable termination transformer embodiment in the utility model.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the accompanying drawing among the utility model embodiment, technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
With reference to Fig. 2 and shown in Figure 3, Fig. 2 shows the structural representation of the plug-in Cable Transformer when test embodiment in the utility model; Fig. 3 shows the structural representation of the insulating barrier device among the formula of the pulling out Cable Transformer embodiment in the utility model.Particularly, plug-in Cable Transformer in the present embodiment, comprise, have the transformer main fuel tank 1 of interface 8 and the plug seat-box body 3 of the described interface 8 that is tightly connected, and between transformer main fuel tank 1 and the plug seat-box body 3 lead-in wire 4 that is electrically connected plug-in cable end 2 is arranged, wherein, plug seat-box body 3 inside are provided with insulating barrier device 10 (as shown in Figure 3).
Insulating barrier device 10 in the present embodiment comprises: have hole 18 insulating barrier 12, be used for support ring 11, insulation collar ring 13 and sealing ring 14 that insulating barrier 12 and plug seat-box body 3 are tightly connected; And 4 holes of passing insulating barrier 12 that go between, and will go between by at least one insulation collar ring 13 and at least one sealing ring 14 and 4 be sealingly fastened in the hole 18.Alternatively, can insulation collar ring 13 and sealing ring 14 is staggered, and insulation collar ring 13 and sealing ring 14 compacted devices 6 are pressed in the both sides of insulating barrier 12, promptly go between 4 and hole 18 so that can better seal conducting rod.Preferably, for the conducting rod that makes insulating barrier 12 both sides promptly goes between 4 can be sealed fully, repeatedly repeated arrangement insulation collar ring 13 and sealing ring 14, as selecting for use three insulation collar rings 13 and three sealing rings 14 to be staggered, so that can the enhanced leaktightness effect, insulation collar ring 13 that in addition should the place be an insulation collar ring structure of the prior art, can select different insulation collar rings for use according to the difference of sealing ring 14, present embodiment is schematically explanation just, its structure is not limited.In addition, above-mentioned hole 18 must be positioned at the middle part of insulating barrier 12.
Preferably, the lead-in wire 4 that is positioned at insulating barrier 12 holes is the screwed conducting rod in two ends, sets conducting rod in the present embodiment and has certain diameter, and its diameter is decided according to current density and requirement of mechanical strength.In addition, can better isolate with insulating oil for making conducting rod, can be provided with the insulating barrier 15 (as shown in Figure 3) of insulation in the outside of conducting rod, this insulating barrier 15 also has certain thickness, and this thickness is set according to the requirement of the plug-in Cable Transformer of reality.Certainly, the lead-in wire of other parts can be the high pressure winding leads.And, insulating barrier device 10 also can comprise: the hold down gag that is used to compress insulation collar ring 13 and sealing ring 14, this hold down gag is pressed in insulation collar ring 13 and sealing ring 14 both sides of insulating barrier 12, its objective is further enhanced leaktightness effect, being hold down gag 6 compresses insulation collar ring 13 and sealing ring 14 and is fixed on the insulating barrier 12 by the screw thread at conducting rod two ends, make insulation collar ring 13 and sealing ring 14 can be preferably the conducting rod sealing be worn the hole 18 of insulating barrier 12, and then make mutually can the seepage insulating oil in transformer main fuel tank 1 and the plug seat-box body 3.
In addition, support ring 11 can be the support ring of rounding, and the support ring of this rounding can be polished smooth.Further, support ring 11 is provided with the screw-threaded counterbore of the plug seat-box body 3 that is tightly connected, and by dormant bolt support ring 11 is fixed in the insulating barrier 12, makes the inwall and the insulating barrier 12 of plug seat-box body 3 better to be tightly connected.Certainly, can also seal gasket be set in the junction of support ring 11 and plug seat-box body 3, so that realize better sealing, making mutually can the seepage insulating oil in transformer main fuel tank 1 and the plug seat-box body 3.
Usually, top away from a side of interface 8 in the plug seat-box body 3 also is provided with the seat 5 that raises, and this seat 5 that raises connects test casings 7, when the plug-in Cable Transformer is tested, lead-in wire 4 can be electrically connected with test casing 7, can disconnect and being connected of plug-in cable end 2.In addition, as shown in Figure 2, the plug-in Cable Transformer also comprises, with the connecting leg 9 that is communicated with transformer main fuel tank 1 away from the top of a side of interface 8 in the plug seat-box body 3, this connecting leg 9 is provided with more than one valve (not marking among the figure), to guarantee to derive the oil pressure balance of plug seat-box body 3 internal gas and insulating oil.Further, can be on the seat 5 that raises fitting operation hand hole (not shown), various connection job in the seat 5 of being convenient to raise.
Insulating barrier device 10 in the foregoing description can cut off the oil circuit of transformer main fuel tank 1 and 3 connections of plug seat-box body, so that can filter a lot of insulating oils repeatedly when test plug-in Cable Transformer, and then can save cost preferably.
Above-mentioned mounting means can be: the hole 18 that earlier conducting rod is worn insulating barrier 12, then, adopt insulation collar ring 13 and sealing ring 14 with conducting rod sealing and fixing hole 18, and adopt hold down gag insulation collar ring 13 and sealing ring 14 to be pressed in the both sides of insulating barrier 12, and then the insulating barrier 12 that conducting rod will be installed is fixed in the plug seat-box body 3 by support ring, make the lead-in wire in an end and the transformer main fuel tank 1 of conducting rod be electrically connected, the other end is electrically connected with test casing 7 or plug-in cable end 2.
Need to prove that transformer plug seat-box body 3 can be a level, also can be straight up, can be installed on the oil tank wall, also can be installed on the fuel tank top cover.
The expense of filtering a lot of insulating oils repeatedly when the plug-in Cable Transformer in the foregoing description can be saved test plug-in Cable Transformer is saved cost, and is promptly energy-saving and cost-reducing, guarantees the reliability of plug-in Cable Transformer.Above-mentioned plug-in Cable Transformer can be power transformer, traction transformer, combined transformer and other special transformer.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (9)
1. plug-in Cable Transformer, comprise, plug seat-box body (3) with the transformer main fuel tank (1) of interface (8) and the described interface (8) that is tightly connected, and between described transformer main fuel tank (1) and the plug seat-box body (3) lead-in wire (4) that connects plug-in cable end (2) is arranged, it is characterized in that
Described plug seat-box body (3) inside is provided with insulating barrier device (10);
Described insulating barrier device (10) comprising: have insulating barrier (12), insulation collar ring (13), the sealing ring (14) in hole and be used for described insulating barrier (12) and the support ring (11) that is tightly connected of plug seat-box body (3);
Described lead-in wire (4) passes the hole (18) of described insulating barrier (12), and by at least one described insulation collar ring (13) and at least one described sealing ring (14) with in the described hole of described lead-in wire (4) sealing and fixing (18).
2. plug-in Cable Transformer according to claim 1 is characterized in that, the lead-in wire (4) that is positioned at described insulating barrier (12) hole is the screwed conducting rod in two ends.
3. plug-in Cable Transformer according to claim 1 is characterized in that, described insulating barrier device (10) also comprises: the hold down gag (6) that is used to compress described insulation collar ring (13) and sealing ring (14).
4. plug-in Cable Transformer according to claim 1 is characterized in that, described support ring (11) is the support ring of rounding.
5. plug-in Cable Transformer according to claim 1, it is characterized in that, described support ring (11) is provided with the screw-threaded counterbore of the described plug seat-box body (3) that is tightly connected, and by dormant bolt described support ring (11) is fixed in the described insulating barrier (12).
6. plug-in Cable Transformer according to claim 1 is characterized in that,
Top away from a side of described interface (8) in the described plug seat-box body (3) also is provided with the seat (5) that raises, this seat (5) that raises connects test casing (7), and described lead-in wire (4) is electrically connected with described test casing (7) when the described plug-in Cable Transformer of test.
7. plug-in Cable Transformer according to claim 1, it is characterized in that, described plug-in Cable Transformer also comprises, with the connecting leg (9) that is communicated with described transformer main fuel tank (1) away from the top of a side of described interface (8) in the described plug seat-box body (3), this connecting leg (9) is provided with valve.
8. plug-in Cable Transformer according to claim 1 is characterized in that described hole is positioned at the middle part of described insulating barrier (12).
9. plug-in Cable Transformer according to claim 2, it is characterized in that, three described insulation collar rings (13) and three described sealing rings (14) are interspersed respectively in the both sides of insulating barrier (12), in the described hole of described conducting rod sealing and fixing (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206995947U CN201975245U (en) | 2010-12-29 | 2010-12-29 | Pluggable cable transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206995947U CN201975245U (en) | 2010-12-29 | 2010-12-29 | Pluggable cable transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975245U true CN201975245U (en) | 2011-09-14 |
Family
ID=44580343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206995947U Expired - Fee Related CN201975245U (en) | 2010-12-29 | 2010-12-29 | Pluggable cable transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201975245U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044534A (en) * | 2015-09-16 | 2015-11-11 | 保定天威集团特变电气有限公司 | Test method and apparatus for transformers in transition plugging connection with cable terminal outgoing lines through adopting oil-oil casings |
| CN113096925A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司广州供电局 | Power transformer suitable for guide rod type sleeve |
| US11295886B2 (en) | 2016-03-08 | 2022-04-05 | Siemens Energy Global GmbH & Co. KG | Winding arrangement having a plug-in bushing |
-
2010
- 2010-12-29 CN CN2010206995947U patent/CN201975245U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105044534A (en) * | 2015-09-16 | 2015-11-11 | 保定天威集团特变电气有限公司 | Test method and apparatus for transformers in transition plugging connection with cable terminal outgoing lines through adopting oil-oil casings |
| CN105044534B (en) * | 2015-09-16 | 2018-01-16 | 保定天威集团特变电气有限公司 | Go out the test method and device of line transformer by oil jacket tube transitions plug cable termination |
| US11295886B2 (en) | 2016-03-08 | 2022-04-05 | Siemens Energy Global GmbH & Co. KG | Winding arrangement having a plug-in bushing |
| CN113096925A (en) * | 2021-03-31 | 2021-07-09 | 广东电网有限责任公司广州供电局 | Power transformer suitable for guide rod type sleeve |
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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 |
Granted publication date: 20110914 Termination date: 20161229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |