CN201262885Y - External loading type conformal shielding made through bending copper or aluminium tube stick for transformer structural member - Google Patents
External loading type conformal shielding made through bending copper or aluminium tube stick for transformer structural member Download PDFInfo
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- CN201262885Y CN201262885Y CNU2008201056589U CN200820105658U CN201262885Y CN 201262885 Y CN201262885 Y CN 201262885Y CN U2008201056589 U CNU2008201056589 U CN U2008201056589U CN 200820105658 U CN200820105658 U CN 200820105658U CN 201262885 Y CN201262885 Y CN 201262885Y
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- suitable shape
- copper
- shape shielding
- shielding
- aluminum pipe
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Abstract
The utility model provides an external form-adaptive shielding device which is formed by bending a copper or aluminum rod and used for transformer components, relating to the transformer technology field. The utility model is provided with the form-adaptive shielding device formed by bending the copper or an aluminum rod, and a fixing structure which can be fixed with corresponding components is arranged on the form-adaptive shielding device. The utility model is characterized in that: the shielding device can be arranged on positions where the corresponding field strength of the transformer components are concentrated, such as the edges, arris and corners of the web plate of a clamping piece and the opening of oil box, and the like to improve the electrode form so as to optimize and regulate the distribution of the electric field and lead the electric field of the corners to be equal; the device can be bended randomly according to different forms so as to adapt to each position; the arrangement and use are flexible and convenient; and the shielding effect is better.
Description
Technical field
The utility model relates to the transformer technology field.
Background technology
In the position that the corresponding field intensity of transformer device structure spare is relatively concentrated fuel tank was carried out lead angle in the past, purpose is to improve the shape of electrode, optimizes and adjust the distribution of electric field.This method is not only operated inconvenience, and is time-consuming, and poor effect, and some places are difficult to improve Electric Field Distribution by the form of processing structure spare.
Summary of the invention
The suitable shape shielding of fitted outside that the purpose of this utility model is to provide a kind of transformer device structure spare to bend with copper or aluminium bar or pipe, can be installed in the position that the corresponding field intensity of transformer device structure spare is relatively concentrated, be used for improving electrode shape to optimize and to adjust the distribution of electric field, it is installed and used flexibly, convenience, and shield effectiveness is good.
Main technical schemes of the present utility model is: the suitable shape shielding of fitted outside that a kind of transformer device structure spare bends with copper or aluminium bar or pipe (being called for short the pipe rod), it is characterized in that, have copper or aluminium bar or pipe and (be called for short the pipe rod, other with) the suitable shape shielding that bends, in suitable shape shielding, be provided with can with the fixing fixed structure of corresponding construction spare.
It is good that described suitable shape shielding outside is provided with insulating barrier, in case copper or aluminium bar or pipe produce partial discharge.
Described insulating barrier is that insulating paper layer is good, also other insulating material such as available insulating varnish.
The shape of described suitable shape shielding also can be " U " shape.
The shape of described suitable shape shielding also can be notched ring-type.
Described notched ring-type can be notched ellipticity, circle shape, rectangle or square etc.
Also can be other shapes,, can need according to the concrete shape at protection position and decide as half garden shape etc.
When described fixed structure has metal structure parts such as metallic screw or metal bolts, it is good (if install when being metal material with securing member that the outside of metal structure parts such as this metallic screw or metal bolts is provided with metallic shield, must use radome, so that the electric field of metal fastenings head becomes even).Described fixed structure is available insulating material etc. also.
Good effect of the present utility model is: can be installed in the position that the corresponding field intensity of transformer device structure spare is relatively concentrated, as the arris wedge angle position of folder web, fuel tank perforate position etc., be used for improving electrode shape to optimize and to adjust the distribution of electric field, make the electric field at wedge angle position become even, this device can arbitrarily bend according to difformity, be applicable to all places, install and use flexible, convenience, shield effectiveness is good.
Below in conjunction with embodiment the utility model is described further, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the structural representation of the suitable shape shielding of embodiment 1 oil tank of transformer rising seat opening.
Fig. 2 is the A-A cutaway view among Fig. 1.
Fig. 3 is the B-B cutaway view among Fig. 1.
Fig. 4 is the local enlarged diagram of Z among Fig. 1.
Fig. 5 is the local enlarged diagram of Y among Fig. 1.
Fig. 6 is the suitable shape shielding of embodiment 2 an oil tank of transformer oil-in openings agent structure schematic diagram.
Fig. 7 is the vertical view of Fig. 6.
Fig. 8 is the assembly structure schematic diagram of embodiment 2 suitable shape shieldings.
Fig. 9 is the structural representation of the radome among Fig. 1 or Fig. 6.
Figure 10 is the right view of Fig. 9.
Figure 11 is the user mode schematic diagram of embodiment 1 at fuel tank rising seat opening part.
Figure 12 is the left view of Figure 11.
Figure 13 is the user mode schematic diagram of embodiment 2 at fuel tank oil-in opening.
Among Fig. 1 ~ Figure 13,1 is (copper rod bends) suitable shape shielding, and 2 are fixed structure connector (can be copper rod or copper pipe), 3 is insulating barrier, and 4 is (metal) radome, and 5 is metallic screw, 6 is packing ring, 7 is nut, and 8 is insulation blanket stud, and 9 are the insulation nut, 10 is metal washer, 11 are the tank wall shielding, and 12 be tank wall, 13 for raise, 14 be case at the bottom of.
Embodiment
Referring to Fig. 1 ~ Fig. 5, this transformer device structure spare is with the suitable shape shielding of fitted outside that copper (or aluminium, below slightly) rod (or pipe, pipe, square tube etc., below slightly) bends, and has the suitable shape that the copper rod that can be connected with earth connection bends and shields 1, is shaped as notched ellipticity.In suitable shape shielding 1, be provided with can with the fixing fixed structure of corresponding construction spare, comprise fixed structure connector 2 (for copper pipe and suitable shape shielding 1 welding), bolt 5, packing ring 6, nut 7, insulation blanket stud 8, (copper rod 1 is fixed on the corresponding construction spare with securing member is gapless by the perforate on the copper rod 2 for insulation nut 9 and metal washer 10.Grounding nut can have internal thread).The outside of suitable shape shielding 1 is provided with insulating barrier 3, and insulating barrier 3 is an insulating paper layer.The outside of this metal fixed structure is provided with metallic shield 4.Should suitable shape shielding use (be loaded in the transformer of the seat opening part that raises on the side box wall, see Figure 11 and 12) at the fuel tank seat opening part that raises.During use, general oil tank of transformer is a ground connection, and securing member will shield and transformer device structure spare is mounted to one, thereby to shield also be ground connection, needn't use earth connection again.
Referring to Fig. 6 ~ Fig. 8, this transformer device structure spare is shaped as " U " shape with the suitable shape shielding of fitted outside that copper rod bends.Should suitable shape shielding use (be loaded on the tank wall inner surface of the oil-in opening part nearer, see Figure 13) apart from valve side sleeve pipe at fuel tank oil-in opening part.On other labels are seen.It bends with replacements such as copper or the welding of aluminum pipe rod, also should belong to this protection range.
Referring to Fig. 9 ~ Figure 10, radome is installed on the structural member of relevant position on the transformer, the radome bending is come after the installation again, and the wedge angle position of protecting the metal bolts head gets final product.Through test, effect is fine.
Claims (7)
1, the suitable shape shielding of fitted outside that bends with copper or aluminum pipe rod of a kind of transformer device structure spare is characterized in that having the suitable shape shielding (1) that copper or aluminum pipe rod bend, in suitable shape shielding (1), be provided with can with the fixing fixed structure of corresponding construction spare.
2, transformer device structure spare according to claim 1 is characterized in that with the suitable shape shielding of fitted outside that copper or aluminum pipe rod bend the outside of described suitable shape shielding (1) is provided with insulating barrier (3).
3, transformer device structure spare according to claim 2 is characterized in that with the suitable shape shielding of fitted outside that copper or aluminum pipe rod bend described insulating barrier (3) is insulating paper layer.
4, the suitable shape shielding of fitted outside that bends with copper or aluminum pipe rod of transformer device structure spare according to claim 1, what it is characterized in that described suitable shape shielding (1) is shaped as " U " shape.
5, transformer device structure spare according to claim 1 is characterized in that with the suitable shape shielding of fitted outside that copper or aluminum pipe rod bend described suitable shape shields the notched ring-type that is shaped as of (1).
6, transformer device structure spare according to claim 5 is characterized in that with the suitable shape shielding of fitted outside that copper or aluminum pipe rod bend described notched ring-type is notched ellipticity.
7, the suitable shape shielding of fitted outside that bends with copper or aluminum pipe rod according to claim 1,2,3,4,5 or 6 described transformer device structure spares, it is characterized in that described fixed structure has the metal structure part, the outside of this metal structure part is provided with metallic shield (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201056589U CN201262885Y (en) | 2008-08-27 | 2008-08-27 | External loading type conformal shielding made through bending copper or aluminium tube stick for transformer structural member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201056589U CN201262885Y (en) | 2008-08-27 | 2008-08-27 | External loading type conformal shielding made through bending copper or aluminium tube stick for transformer structural member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201262885Y true CN201262885Y (en) | 2009-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201056589U Expired - Fee Related CN201262885Y (en) | 2008-08-27 | 2008-08-27 | External loading type conformal shielding made through bending copper or aluminium tube stick for transformer structural member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201262885Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777420A (en) * | 2010-03-23 | 2010-07-14 | 西安交通大学 | Metal inner electrode for isolating mutual impact of inner electric field and outer electric field of single-phase insulated barrel-type transformer and method thereof |
| CN106683848A (en) * | 2016-12-01 | 2017-05-17 | 保定天威保变电气股份有限公司 | High-current lead magnetic flux leakage shielding device for transformer core |
| CN109887729A (en) * | 2019-02-26 | 2019-06-14 | 王哲超 | A kind of transformer DC magnetic bias harmonic wave puncture device of city railway train |
| CN113130191A (en) * | 2019-12-31 | 2021-07-16 | 济南西门子变压器有限公司 | Breakdown prevention device and reactor thereof |
-
2008
- 2008-08-27 CN CNU2008201056589U patent/CN201262885Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777420A (en) * | 2010-03-23 | 2010-07-14 | 西安交通大学 | Metal inner electrode for isolating mutual impact of inner electric field and outer electric field of single-phase insulated barrel-type transformer and method thereof |
| CN106683848A (en) * | 2016-12-01 | 2017-05-17 | 保定天威保变电气股份有限公司 | High-current lead magnetic flux leakage shielding device for transformer core |
| CN109887729A (en) * | 2019-02-26 | 2019-06-14 | 王哲超 | A kind of transformer DC magnetic bias harmonic wave puncture device of city railway train |
| CN113130191A (en) * | 2019-12-31 | 2021-07-16 | 济南西门子变压器有限公司 | Breakdown prevention device and reactor thereof |
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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: 20090624 Termination date: 20130827 |