CN101853756A - Handle of oil-immersed fuse used for American-type box substation - Google Patents
Handle of oil-immersed fuse used for American-type box substation Download PDFInfo
- Publication number
- CN101853756A CN101853756A CN200910048577A CN200910048577A CN101853756A CN 101853756 A CN101853756 A CN 101853756A CN 200910048577 A CN200910048577 A CN 200910048577A CN 200910048577 A CN200910048577 A CN 200910048577A CN 101853756 A CN101853756 A CN 101853756A
- Authority
- CN
- China
- Prior art keywords
- handle
- fuse
- connecting rod
- oil
- hermetically
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000010276 construction Methods 0.000 claims description 17
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 3
- 238000004512 die casting Methods 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920006305 unsaturated polyester Polymers 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000007654 immersion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Fuses (AREA)
Abstract
The invention discloses a handle of an oil-immersed fuse used for an American-type box substation, which can improve the sealing performance and increase the creepage distance. The oil-immersed fuse comprises a cylindrical base, a fuse holder and a fuse element, wherein the base comprises an outer shell, and two conducting rings and a mounting base which are arranged in the outer shell at intervals; the fuse holder comprises the handle, and two contact pins connected with two ends of the fuse element respectively; one of the two contact pins is connected with the handle; the handle comprises a connecting rod, a cover, a knob, a sealing structure and a sealing ring which are connected with one another in turn; the sealing structure is arranged on the connecting rod, is close to one end of the cover, is a section of cylinder which is formed by extending the surface of the connecting rod in the radial direction; the peripheral surface of the cylinder is provided with an annular groove in the radial direction; the diameter of the sealing structure is matched with the inside diameter of the base; the sealing ring is embedded in the groove of the sealing structure; and the cross section of the connecting rod of the handle is round, and a plurality of layers of umbrella ridges are protruded on the peripheral surface of the handle in the radial direction at intervals along the length direction.
Description
Technical field
The present invention relates to a kind of handle that is used on the oil fuse that American case becomes.
Background technology
Fuse is pressed the installation form branch, and plug-in type and oil immersion bus-type are arranged, by the installation environment medium have in the atmosphere, the transformer wet goods.General plug-in fuse is vertical the insertion, is installed in the atmosphere, and installation dimension requires big, causes the transformer overall dimensions big.Oil immersion bus-type fuse member need be changed trouble opening transformer-cabinet and extracting under the transformer oil condition and change, loss or reduction transformer oil insulating properties.Oil-filled transformer overload protection high-tension fuse is to be applicable to power transformer overload protection usefulness in the American case change, is crucial electric elements during American case becomes.American case becomes combined transformer and requires used high-voltage and current-limitation fuse to be necessary for oil immersed type, can imbed underground.Therefore, fuse there is high requirement to oil seal.In long-term use, fuse inside does not allow oil and enters, otherwise when fuse moves, may blast and serious fire.
Fuse generally includes base 1, fuse member 2 and handle 3 and two contact studs 4, as shown in Figure 1.Base 1 is used to support fuse member 2, handle 3 and two contact studs 4, and fuse member 2 and oil are isolated.Handle 3 is generally used for installing, changes, carries fuse member 2.The handle arrangement of prior art (as shown in Figure 2) comprises handle 31, seal cover 32 and connecting rod 33.In the time of in fuse immerses oil because that base 1 is generally an end is enclosed, the seal degree of handle 3 and base 1 contact site directly determined fuse to the oil seal performance.At present, the sealing property problem of fuse handle and base contact site never is well solved, and has this type of potential safety hazard in most fuse courses of work.The cross section of connecting rod 33 is cross in addition, though it can satisfy manipulation strength, this structure makes fuse member creepage distance relatively only be limited as the length L of connecting rod, therefore exists and can not elongate the insulation distance defective.
Summary of the invention
The purpose of this invention is to provide a kind of handle that is used on the oil fuse that American case becomes, it can improve the mechanical tensile strength and the sealing property of handle, can strengthen fuse member creepage distance relatively again.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of handle that is used on the oil fuse that American case becomes, described fuse comprises cylinder base, fusing carrier and fuse member, described base comprises shell and is disposed on two conducting rings and a mounting base in the shell, described fusing carrier comprise handle and two respectively with fuse member two is connected and one is connected on the handle contact stud, the connecting rod that described handle comprises, lid, handle, hermetically-sealed construction and sealing ring, described hermetically-sealed construction is located on the connecting rod and an end of close lid, it is one section and radially extends the cylinder that forms by rod surface, radially is provided with an annular groove on this cylindrical outer peripheral face; The diameter of described hermetically-sealed construction and the internal diameter of described base are complementary; Described sealing ring is embedded in the groove of described hermetically-sealed construction; The connecting rod cross section of described handle is rounded, on its outer peripheral face along its length the compartment of terrain radially be equipped with the multi-layer umbrella rib.
Handle on the above-mentioned oil fuse that is used for American case change, wherein, the spacing distance of described multi-layer umbrella rib is identical, and the diameter of every layer of umbrella rib also equates.
Handle on the above-mentioned oil fuse that is used for American case change, wherein, described handle is made by the unsaturated polyester glass fiber composite insulating material.
Handle on the above-mentioned oil fuse that is used for American case change, wherein, described handle, lid, hermetically-sealed construction and connecting rod are one-body molded through evacuated die-casting process.
The technical scheme that is used for the handle on the oil fuse that American case becomes of the present invention, promptly adopt the rounded connecting rod of cross section, and on its outer peripheral face, equally be equipped with at interval the multi-layer umbrella rib along its length, both improve the mechanical tensile strength of handle, strengthened fuse member creepage distance relatively again; On connecting rod, increase hermetically-sealed construction and sealing ring again, can increase the sealing property of fuse, thereby have the dielectric strength that under the prerequisite that satisfies manipulation strength, performance, has improved the handle of fusing carrier.
Description of drawings
Fig. 1 is the structural representation of the oil fuse that is used for American case change of prior art;
Fig. 2 is the structural representation of the handle on the oil fuse that is used for American case change of prior art;
Fig. 3 is the structural representation that is used for the handle on the oil fuse that American case becomes of the present invention.
Embodiment
In order to understand technical scheme of the present invention better, also be described in detail in conjunction with the accompanying drawings below by specific embodiment:
See also Fig. 3, the handle 3 that is used on the oil fuse that American case becomes of the present invention, the handle 31 that comprises, lid 32, connecting rod 33, hermetically-sealed construction 34 and sealing ring 35, wherein,
Connecting rod 33, lid 32 and 31 connections successively of shaking hands; The cross section of connecting rod 33 is rounded, on its outer peripheral face along its length the compartment of terrain radially be equipped with multi-layer umbrella rib 330.The diameter D of every layer of umbrella rib 330 equates that all spacing distance H also equates.The prominent umbrella rib of establishing 330 can strengthen fuse member creepage distance relatively on connecting rod 33 outer peripheral faces; Hermetically-sealed construction 34 is located on the connecting rod 33 and near an end that covers 32, it is one section cylinder that is formed by the extension of connecting rod 33 radial surfaces, radially is provided with an annular groove 340 on this cylindrical outer peripheral face; The diameter of hermetically-sealed construction 34 and the internal diameter of base are complementary; Sealing ring 35 is embedded in the groove 340 of hermetically-sealed construction 4; Increase hermetically-sealed construction 34 and sealing ring 35, can increase the sealing property of fuse,
The handle 1 that is used on the oil fuse that American case becomes of the present invention is made by the unsaturated polyester glass fiber composite insulating material, and handle 11, lid 12, connecting rod 13 and hermetically-sealed construction 34 are one-body molded through evacuated die-casting process.
The handle good insulation preformance that is used on the oil fuse that American case becomes of the present invention, with the handle of the fusing carrier of prior art relatively, employing is circular at the handle and connecting rod cross section, and the umbrella rib is set on the outer peripheral face of connecting rod, both improved the mechanical tensile strength of handle, can strengthen the fuse member creepage distance relatively and the sealing property of increase fuse again, thereby improve the dielectric strength of fusing carrier.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (4)
1. handle that is used on the oil fuse that American case becomes, described fuse comprises cylinder base, fusing carrier and fuse member, described base comprises shell and is disposed on two conducting rings and a mounting base in the shell, described fusing carrier comprise handle and two respectively with fuse member two is connected and one is connected on the handle contact stud, described handle comprises connecting rod, lid and the handle that connects successively, it is characterized in that described handle also comprises hermetically-sealed construction and sealing ring
Described hermetically-sealed construction is located on the connecting rod and near an end of lid, and it is one section and radially extends the cylinder that forms by rod surface, radially is provided with an annular groove on this cylindrical outer peripheral face;
The diameter of described hermetically-sealed construction and the internal diameter of described base are complementary;
Described sealing ring is embedded in the groove of described hermetically-sealed construction;
The connecting rod cross section of described handle is rounded, on its outer peripheral face along its length the compartment of terrain radially be equipped with the multi-layer umbrella rib.
2. the handle that is used on the oil fuse that American case becomes according to claim 1 it is characterized in that the spacing distance of described multi-layer umbrella rib is identical, and the diameter of every layer of umbrella rib equates also.
3. the handle that is used on the oil fuse that American case becomes according to claim 1 is characterized in that described handle is made by the unsaturated polyester glass fiber composite insulating material.
4. the handle that is used on the oil fuse that American case becomes according to claim 3 is characterized in that described handle, lid, connecting rod and hermetically-sealed construction are one-body molded through evacuated die-casting process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100485779A CN101853756B (en) | 2009-03-31 | 2009-03-31 | Handle of oil-immersed fuse used for American-type box substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100485779A CN101853756B (en) | 2009-03-31 | 2009-03-31 | Handle of oil-immersed fuse used for American-type box substation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101853756A true CN101853756A (en) | 2010-10-06 |
| CN101853756B CN101853756B (en) | 2012-04-18 |
Family
ID=42805173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100485779A Active CN101853756B (en) | 2009-03-31 | 2009-03-31 | Handle of oil-immersed fuse used for American-type box substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101853756B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474305A (en) * | 2013-09-18 | 2013-12-25 | 上海电器陶瓷厂有限公司 | Handle for oil-immersed fuse |
| CN103474306A (en) * | 2013-09-18 | 2013-12-25 | 上海电器陶瓷厂有限公司 | Oil-immersed high-voltage fuse |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB455560A (en) * | 1935-04-25 | 1936-10-23 | George Owen Donovan | Improvements in or relating to electric cut outs, connectors and the like |
| CN2407451Y (en) * | 2000-01-24 | 2000-11-22 | 谢红军 | Security high voltage fuse |
| CN2419681Y (en) * | 2000-04-26 | 2001-02-14 | 西安熔断器制造公司 | High voltage current limiting fuse for protecting oil immersed transformer |
| CN2439722Y (en) * | 2000-08-15 | 2001-07-18 | 上海电器股份有限公司电器陶瓷厂 | High voltage and current-limitation fuse |
-
2009
- 2009-03-31 CN CN2009100485779A patent/CN101853756B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474305A (en) * | 2013-09-18 | 2013-12-25 | 上海电器陶瓷厂有限公司 | Handle for oil-immersed fuse |
| CN103474306A (en) * | 2013-09-18 | 2013-12-25 | 上海电器陶瓷厂有限公司 | Oil-immersed high-voltage fuse |
| CN103474305B (en) * | 2013-09-18 | 2015-10-21 | 上海电器陶瓷厂有限公司 | A kind of handle for oil fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101853756B (en) | 2012-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI MUNICIPAL ELECTRIC POWER COMPANY Free format text: FORMER OWNER: SHANGHAI ELECTRIC CERAMIC PLANT CO., LTD. Effective date: 20121228 Owner name: STATE GRID CORPORATION OF CHINA SHANGHAI ELECTRIC Effective date: 20121228 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200071 ZHABEI, SHANGHAI TO: 200122 PUDONG NEW AREA, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121228 Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Patentee after: Shanghai Electric Power Corporation Patentee after: State Grid Corporation of China Patentee after: Shanghai Electric Ceramic Works Co., Ltd. Address before: 200071 Shanghai city Zhabei District Qingyun Road No. 517 Patentee before: Shanghai Electric Ceramic Works Co., Ltd. |