CN201562564U - Connection structure for upper and lower electric shields of large transformer - Google Patents
Connection structure for upper and lower electric shields of large transformer Download PDFInfo
- Publication number
- CN201562564U CN201562564U CN2009203135541U CN200920313554U CN201562564U CN 201562564 U CN201562564 U CN 201562564U CN 2009203135541 U CN2009203135541 U CN 2009203135541U CN 200920313554 U CN200920313554 U CN 200920313554U CN 201562564 U CN201562564 U CN 201562564U
- Authority
- CN
- China
- Prior art keywords
- shielding
- electricity
- section electric
- economize
- shield
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052802 copper Inorganic materials 0.000 claims abstract description 22
- 239000010949 copper Substances 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims description 41
- 238000000465 moulding Methods 0.000 claims description 28
- 238000007789 sealing Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000002828 fuel tank Substances 0.000 description 7
- 238000013021 overheating Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Landscapes
- Housings And Mounting Of Transformers (AREA)
Abstract
The utility model relates to a connection structure for upper and lower electric shields of a large transformer, which belongs to the technical field of transformer manufacturing. The technical scheme includes that the connection structure comprises an upper section electric shield (1), a lower section electric shield (8) and a forming wiring plate (2), wherein section of the forming wiring plate is in a shape of two right-angle sides of a right angle, one right-angle side tightly contacts with the upper section electric shield, and the other right-angle side is fixedly connected with the lower section electric shield. The structure is further provided with a pressing plate (3), the pressing plate, and the forming wiring plate and the lower section electric shield are tightly fixed together via bolts to ensure reliable contact. A gasket is disposed at a contact point of the forming wiring plate and the upper section electric shield to ensure the reliable contact of the forming wiring plate made of a plurality of copper straps and the upper section electric shield. The structure has the advantages of capabilities of leading the upper section electric (copper) shield and the lower section electric (copper) shield of an oil tank to reliably contact with each other, guaranteeing flatness of contact faces, effectively lowering consumption in the oil tank and preventing tank edge components from being partially over heated.
Description
Affiliated technical field:
The utility model relates to a kind of syndeton of high-power transformer power-on and power-off shielding, belongs to technical field of transformer manufacturing.
Background technology:
Large-scale power transformer generally adopts electricity (copper), magnetic composite shielding at present, reduces the loss in the fuel tank, prevents the local overheating of Oiltank structure spare.Electricity (copper) shields its shape can be changed with the variation of fuel tank, is convenient to place, and is used in upper and lower fuel-economizing case junction.Traditional upper and lower economize on electricity (copper) shielding is connected to the copper coin bending structure, because copper coin is harder, is difficult for pounding moulding, and does not have elasticity, can not guarantee reliable contact, easily causes case edge and case overheated along bolt.
The utility model content:
The utility model purpose provides a kind of syndeton of high-power transformer power-on and power-off shielding, this structure makes the reliably contact of upper and lower economize on electricity (copper) shielding of fuel tank, guarantee the contact-making surface evenness, effectively reduce the loss in the fuel tank, prevent case along the structural member local overheating, solve the problems referred to above that exist in the background technology.
The technical solution of the utility model is:
A kind of syndeton of high-power transformer power-on and power-off shielding comprises economize on electricity shielding, following economize on electricity shielding, moulding terminal block, the section configuration of moulding terminal block is two right-angle sides at right angle, one of them right-angle side closely contacts with last economize on electricity shielding, and another right-angle side is fixedlyed connected with the shielding of economizing on electricity down.
The moulding terminal block is that the copper strips of multilayer constitutes, and fixedlys connected by a plurality of screw rods with the shielding of economizing on electricity down, also is provided with pressing plate, by bolt pressing plate, moulding terminal block, following economize on electricity shielding closely is fixed together, and assurance is contact reliably.
Moulding terminal block and last economize on electricity shielding contact point is provided with sealing gasket, guarantees that moulding terminal block that the copper strips by multilayer constitutes shields with last economize on electricity reliably to contact.By the moulding terminal block surface smoothness height that the copper strips of multilayer constitutes, copper strips is softer, and it can make sealing gasket plasticity variable effectively play a role, and makes it reliably to contact with last economize on electricity shielding.
The upward economize on electricity shielding of oil tank of transformer, following economize on electricity shield and fuse by the moulding terminal block, and the moulding terminal block adopts the thick copper strips of multilayer 0.5mm to be processed into the L type, and its lower end perforate is used for being connected with the shielding bolt that economizes on electricity down.The bending of last economize on electricity shielding copper coin, moulding terminal block (L type) other end utilization are placed on the plasticity variable of seal gasket of its underpart and the flexible adjustment of copper strips itself guarantees closely to contact with last economize on electricity barricade lower surface.
The beneficial effects of the utility model: this utility model can make the reliably contact of upper and lower economize on electricity (copper) shielding of fuel tank, guarantees the contact-making surface evenness, effectively reduces the loss in the fuel tank, prevents that case is along the structural member local overheating.
Description of drawings:
Fig. 1 is the utility model example structure schematic diagram;
Fig. 2 is that the K of the utility model structure is to view.
Among the figure: 1, go up the economize on electricity shielding, 2, the moulding terminal block, 3, pressing plate, 4, screw rod, 5, nut, 6, the dish spring, 7, packing ring, 8, economize on electricity shielding down, 9, sealing gasket one, 10, sealing gasket two.
Embodiment:
Below in conjunction with accompanying drawing, the utility model is described in further detail by embodiment.
In an embodiment, the syndeton of high-power transformer power-on and power-off shielding comprises economize on electricity shielding 1, following economize on electricity shielding 8, moulding terminal block 2, the section configuration of moulding terminal block is two right-angle sides at right angle, one of them right-angle side closely contacts with last economize on electricity shielding, and another right-angle side is fixedlyed connected with the shielding of economizing on electricity down.Moulding terminal block 2 and following economize on electricity shielding 8 are fixedlyed connected by a plurality of screw rods.
The concrete structure of embodiment: screw rod 4 is planted on the tank wall of lower oil tank; Following economize on electricity shielding 8 is welded into one with the tank wall of lower oil tank; Following economize on electricity shielding 8 is opened circular hole in the position that plants screw rod; Moulding terminal block 2 one ends of the thick copper strips of multilayer 0.5mm processing and economize on electricity down shield 8 and are connected by screw rod 4, nut 5, dish spring 6, packing ring 7; The pressing plate 3 that place in the outside of moulding terminal block 2; Put sealing gasket 1 between the case edge of moulding terminal block 2 and lower oil tank; Last economize on electricity shielding 1 is welded into one with last fuel-economizing case, and it adopts copper coin machine work moulding; Case is placed sealing gasket 2 10 between the edge.
Pressing plate 3 makes moulding terminal block 2 reliably contact with the shielding 8 of economizing on electricity down; The hardness ratio of sealing gasket 1 is placed on the hardness low (being good springiness) of the sealing gasket 2 10 in the outside, could guarantee that moulding terminal block 2 reliably contacts with last economize on electricity shielding 1 and the sealing of fuel tank; The copper strip surface evenness height that multilayer 0.5mm is thick in the moulding terminal block 2, and the copper strips of 0.5mm is softer, and it can make the plasticity variable of sealing gasket 1 effectively play a role, and makes it reliably to contact with last economize on electricity shielding.
Claims (3)
1. the syndeton of high-power transformer power-on and power-off shielding, it is characterized in that comprising economize on electricity shielding (1), following economize on electricity shielding (8), moulding terminal block (2), the section configuration of moulding terminal block is two right-angle sides at right angle, one of them right-angle side closely contacts with last economize on electricity shielding, and another right-angle side is fixedlyed connected with the shielding of economizing on electricity down.
2. according to the syndeton of the described high-power transformer power-on and power-off of claim 1 shielding, it is characterized in that moulding terminal block (2) is connected by a plurality of bolt with the shielding (8) of economizing on electricity down, also be provided with pressing plate (3), pressing plate (3), moulding terminal block (2), following economize on electricity shielding (8) closely be fixed together by bolt.
3. according to the syndeton of the described high-power transformer power-on and power-off of claim 1 shielding, it is characterized in that moulding terminal block and last economize on electricity shielding contact point is provided with sealing gasket, guarantee that moulding terminal block that the copper strips by multilayer constitutes shields with last economize on electricity reliably to contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203135541U CN201562564U (en) | 2009-10-29 | 2009-10-29 | Connection structure for upper and lower electric shields of large transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203135541U CN201562564U (en) | 2009-10-29 | 2009-10-29 | Connection structure for upper and lower electric shields of large transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201562564U true CN201562564U (en) | 2010-08-25 |
Family
ID=42627716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203135541U Expired - Fee Related CN201562564U (en) | 2009-10-29 | 2009-10-29 | Connection structure for upper and lower electric shields of large transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201562564U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376423A (en) * | 2011-11-26 | 2012-03-14 | 山东电力设备有限公司 | Shield structure of transformer oil tank and mounting method thereof |
| CN106373762A (en) * | 2016-10-26 | 2017-02-01 | 山东电力设备有限公司 | Transformer capable of controlling magnetic flux leakage |
| CN106373761A (en) * | 2016-10-11 | 2017-02-01 | 山东电力设备有限公司 | Magnetic leakage control shielding structure of transformer |
| CN106653309A (en) * | 2016-12-21 | 2017-05-10 | 中国电力科学研究院 | High-capacity alternating current ultra-high-voltage field assembled transformer |
| CN111584202A (en) * | 2020-06-24 | 2020-08-25 | 保定天威保变电气股份有限公司 | Method for on-site treatment of local overheating of transformer box edge |
| CN113611510A (en) * | 2021-07-23 | 2021-11-05 | 保定天威保变电气股份有限公司 | Novel converter transformer box edge overheating prevention shielding device and method |
| CN114743780A (en) * | 2022-02-28 | 2022-07-12 | 保定天威保变电气股份有限公司 | Transformer shielding device of high-capacity 500kV generator |
-
2009
- 2009-10-29 CN CN2009203135541U patent/CN201562564U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376423A (en) * | 2011-11-26 | 2012-03-14 | 山东电力设备有限公司 | Shield structure of transformer oil tank and mounting method thereof |
| CN102376423B (en) * | 2011-11-26 | 2013-09-04 | 山东电力设备有限公司 | Shield structure of transformer oil tank and mounting method thereof |
| CN106373761A (en) * | 2016-10-11 | 2017-02-01 | 山东电力设备有限公司 | Magnetic leakage control shielding structure of transformer |
| CN106373762A (en) * | 2016-10-26 | 2017-02-01 | 山东电力设备有限公司 | Transformer capable of controlling magnetic flux leakage |
| CN106373762B (en) * | 2016-10-26 | 2019-02-22 | 山东输变电设备有限公司 | A transformer for controlling magnetic flux leakage |
| CN106653309A (en) * | 2016-12-21 | 2017-05-10 | 中国电力科学研究院 | High-capacity alternating current ultra-high-voltage field assembled transformer |
| CN111584202A (en) * | 2020-06-24 | 2020-08-25 | 保定天威保变电气股份有限公司 | Method for on-site treatment of local overheating of transformer box edge |
| CN113611510A (en) * | 2021-07-23 | 2021-11-05 | 保定天威保变电气股份有限公司 | Novel converter transformer box edge overheating prevention shielding device and method |
| CN114743780A (en) * | 2022-02-28 | 2022-07-12 | 保定天威保变电气股份有限公司 | Transformer shielding device of high-capacity 500kV generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201562564U (en) | Connection structure for upper and lower electric shields of large transformer | |
| CN202977436U (en) | Anti-breaking gate crystalline silicon solar cell | |
| CN203760262U (en) | High-capacity transformer oil conservator support structure | |
| CN201670923U (en) | Device for automatic stoppage of warping machine in case of warp breakage | |
| CN208707388U (en) | A kind of high-capacity power energy storage device | |
| CN205967946U (en) | Welding strip compression device | |
| CN203690233U (en) | Fuse unit structure | |
| CN202000204U (en) | Cylinder mould vacuum pipeline for paper machine used for producing paper for daily use | |
| CN201422050Y (en) | Motor junction box structure | |
| CN201717275U (en) | Junction box of photovoltaic component | |
| CN214849589U (en) | High-current-carrying vertical busbar device for low-voltage switchgear | |
| CN201766084U (en) | Connector of solar photovoltaic cell junction box | |
| CN202766808U (en) | Needle frame connector slider guide rail for industrial sewing machine | |
| CN202126985U (en) | Jack type aging platform for production of energy-saving lamp tube | |
| CN205474015U (en) | Dull and stereotyped split type high -efficient water electrolysis groove | |
| CN203466446U (en) | High-voltage switch cabinet earthing switch padlock device | |
| CN203277328U (en) | Pickling plate used for diode production | |
| CN204464811U (en) | Power distribution cabinet | |
| CN201719040U (en) | Electromagnetic cooker | |
| CN201742099U (en) | Capacitor for three-phase separate-supplement intelligent capacitor | |
| CN203503526U (en) | Keyboard assembly structure of frequency converter | |
| CN202523979U (en) | Low-voltage switch box mounting device | |
| CN202196641U (en) | Tank cover of transformer oil tank | |
| CN203565633U (en) | Ejector rod structure for food steamer lid processing device | |
| CN206650100U (en) | A kind of solar cell solder strip guiding device |
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: 20100825 Termination date: 20131029 |