CN102881539B - Base for oil-immersed fuse - Google Patents
Base for oil-immersed fuse Download PDFInfo
- Publication number
- CN102881539B CN102881539B CN201110194168.7A CN201110194168A CN102881539B CN 102881539 B CN102881539 B CN 102881539B CN 201110194168 A CN201110194168 A CN 201110194168A CN 102881539 B CN102881539 B CN 102881539B
- Authority
- CN
- China
- Prior art keywords
- conducting ring
- insulation cylinder
- seal groove
- mounting
- ring
- 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.)
- Active
Links
Abstract
The invention discloses a base for an oil-immersed fuse, which comprises an insulation cylinder body, a head conducting ring, a middle conducting ring and a mounting pedestal. The insulation cylinder body comprises an inner layer insulation cylinder and an outer layer insulation cylinder, wherein the inner layer insulation cylinder comprises an interphase insulation cylinder and a mounting insulation cylinder that are defined and wound by epoxy glass fibers. Seal rings are arranged between the outer surface of the rear part of the head conducting ring and the inner surface of the interphase insulation cylinder, between the outer surface of the front part of the middle conducting ring and the inner surface of the interphase insulation cylinder, between the outer surface of the rear part of the middle conducting ring and the inner surface of the mounting insulation cylinder, and between the outer surface of the mounting insulation cylinder and the inner surface of the mounting pedestal respectively; sealants are arranged between the outer surface of the head conducting ring and a front port of the interphase insulation cylinder, between the outer surface of the middle conducting ring and a rear port of the interphase insulation cylinder, between the outer surface of the middle conducting ring and a front port of the mounting insulation cylinder, and between the outer surface of the mounting insulation cylinder and a front port of the mounting pedestal respectively; and the outer layer insulation cylinder is in an integral structure defined and wound by the epoxy glass fibers.
Description
Technical field
The present invention relates to a kind of multi-sealed base for oil fuse.
Background technology
Oil fuse is installed on oil immersed type box type transformer.Usual oil fuse comprises the cylinder base of unidirectional opening, fusing carrier and fuse member, wherein, two conducting rings and one that base comprises insulating cylinder body and the head and middle part that are arranged on insulating cylinder body inner chamber are located at the mounting base of insulating cylinder body afterbody, it is Wrapping formed that insulating cylinder body strengthens composite insulating material by epoxy glass fiber, and two conducting rings and a mounting base are connected as one, form the base closed.Because insulating cylinder body is directly wrapped on the outer surface of two conducting rings and mounting base, their junctions may cause leakage, and two conducting rings and the location of mounting base in insulating cylinder body firm not.In addition, the bonding strength of the insulating cylinder body of this kind of structure and two conducting rings and mounting base is not high enough, makes the anti-bending strength of base also lower.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of base for oil fuse is provided, it achieve the connection to different linear expansion coefficient material, there is multi-sealed protective characteristic and more effective, sealing property and strengthen the bonding strength of insulating cylinder body and two conducting rings and mounting base reliably.
The technical scheme realizing above-mentioned purpose is: a kind of base for oil fuse, comprises an insulating cylinder body, two internal diameters identical and be separately fixed at the mounting base that the head of insulating cylinder body inner chamber and the conducting ring at middle part and are located at insulating cylinder body afterbody.Wherein:
Described insulating cylinder body comprises primary insulation cylinder and outer layer insulation cylinder;
Described primary insulation cylinder is made up of two sections of cylinders, these two sections of cylinders are be wound around by epoxy glass fiber the phase insulation cylinder and mounting insulation tube that hold around respectively, described phase insulation cylinder is connected between the external rear face of described head conducting ring and the forward outer surface of described middle part conducting ring, between the external rear face that described mounting insulation tube is connected to described middle part conducting ring and the inner surface of described mounting base;
The first sealing ring is provided with between the external rear face of described head conducting ring and the inner surface of described phase insulation cylinder; The second sealing ring is provided with between the forward outer surface of described middle part conducting ring and the inner surface of described phase insulation cylinder; The 3rd sealing ring is provided with between the external rear face of described middle part conducting ring and the inner surface of described mounting insulation tube; Between the outer surface of described mounting insulation tube and the inner surface of described mounting base, compartment of terrain is provided with the 4th sealing ring and the 5th sealing ring;
Sealant is provided with between the outer surface of described head conducting ring and the front port of described phase insulation cylinder; Between the outer surface of described middle part conducting ring and the rear port of described phase insulation cylinder and and the front port of described mounting insulation tube between be respectively equipped with sealant; Sealant is provided with between the outer surface of described mounting insulation tube and the front port of described mounting base;
Described outer layer insulation cylinder is wound around to hold around from the forward outer surface of described head conducting ring, the outer surface of described phase insulation cylinder, the center outer surface of described middle part conducting ring, the outer surface of described mounting insulation tube to the forward outer surface of described mounting base by epoxy glass fiber to form an overall structure.
The above-mentioned base for oil fuse, wherein, the inner cavity surface that described phase insulation cylinder is connected with described head conducting ring and the other end inner cavity surface be connected with described middle part conducting ring are respectively a cascaded surface; The inner cavity surface that described mounting insulation tube is connected with described middle part conducting ring is a cascaded surface.
The above-mentioned base for oil fuse, wherein, the external rear face of described head conducting ring is provided with the first seal groove, and described first sealing ring is arranged in this first seal groove; The forward outer surface of described middle part conducting ring and external rear face are respectively equipped with the second seal groove and the 3rd seal groove, and described second sealing ring and the 3rd sealing ring are separately positioned in the second seal groove and the 3rd seal groove; Described mounting insulation tube is provided with the 4th seal groove and the 5th seal groove on the outer surface of the connecting portion with described mounting base, and described 4th sealing ring and the 5th sealing ring are separately positioned in the 4th seal groove and the 5th seal groove.
The above-mentioned base for oil fuse, wherein, the center outer surface of described head conducting ring, the center outer surface of described middle part conducting ring and the forward outer surface of described mounting base is respectively equipped with some roads groove.
Base for oil fuse of the present invention has following characteristics compared with the base of prior art:
1. adopt two sections of primary insulation epoxy winding cylinders to form with overall outer layer insulation epoxy winding cylinder two parts, there is good processing technology, overall appearance;
2. adopt the conducting ring of stairstepping primary insulation epoxy winding cylinder and metal and mounting base to overlap to coordinate, make the positioning precision of metal parts high, with the connection of insulating cylinder body reliably and stress dispersion, there is good dimensional accuracy, bonding strength and bending strength;
3. adopt and be provided with sealant and sealing ring in the junction of two kinds of different materials, form dual-seal, more effective sealing protection.
4. achieve the connection to different linear expansion coefficient material, there is multi-sealed protective characteristic and more effective, reliable sealing property.
Accompanying drawing explanation
Fig. 1 is the understructure schematic diagram for oil fuse of the present invention;
Fig. 2 is the A portion enlarged drawing in Fig. 1;
Fig. 3 is the B portion enlarged drawing in Fig. 1;
Fig. 4 is the C portion enlarged drawing in Fig. 1.
Detailed description of the invention
In order to understand technical scheme of the present invention better, be also described in detail by reference to the accompanying drawings below by specific embodiment:
Refer to Fig. 1 to Fig. 4, the base for oil fuse of the present invention, comprise conducting ring 3 and a mounting base 4 in the middle part of an insulating cylinder body, a head conducting ring 2.
Head conducting ring 2 is fixed on the head of insulating cylinder body inner chamber, and its external rear face is provided with the first seal groove, groove 21,22 together with its forward outer surface is respectively equipped with on center outer surface.
Middle part conducting ring 3 is fixed on the middle part of insulating cylinder body inner chamber, and its forward outer surface and external rear face are respectively equipped with the second seal groove and the 3rd seal groove, and on center outer surface, compartment of terrain is provided with three road grooves 31,32,33.
Mounting base 4 is located at the afterbody of insulating cylinder body, and on its center outer surface, radial direction projects an installing plate 40, and its forward outer surface is provided with twice groove 43,44, and the surface of its close front end is the conical surface that forward end diminishes gradually.
Insulating cylinder body comprises primary insulation cylinder and outer layer insulation cylinder 13, and wherein, primary insulation cylinder is made up of two sections of cylinders, is respectively to be wound around by epoxy glass fiber the phase insulation cylinder 11 and mounting insulation tube 12 that hold around.
Phase insulation cylinder 11 is connected between the external rear face of head conducting ring 2 and the forward outer surface of middle part conducting ring 3, and the inner cavity surface that this phase insulation cylinder 11 is connected with head conducting ring 2 and the other end inner cavity surface be connected with middle part conducting ring 3 are respectively a cascaded surface.
Between the external rear face that mounting insulation tube 12 is connected to middle part conducting ring 3 and the inner surface of mounting base 4, the inner cavity surface that this mounting insulation tube 12 is connected with middle part conducting ring 3 is a cascaded surface.Mounting insulation tube 12 is provided with the 4th seal groove and the 5th seal groove on the outer surface of the connecting portion with mounting base 4.
Be provided with the first sealing ring 23 between the external rear face of head conducting ring 2 and the inner surface of phase insulation cylinder 11, this first sealing ring 23 is located in the first seal groove; Be provided with the second sealing ring 34 between the forward outer surface of middle part conducting ring 3 and the inner surface of phase insulation cylinder 11, this second sealing ring 34 is located in the second seal groove; Being provided with the 3rd sealing ring the 35, three sealing ring 35 between the external rear face of middle part conducting ring 3 and the inner surface of mounting insulation tube 12 is located in the 3rd seal groove; Between the outer surface of mounting insulation tube 12 and the inner surface of mounting base 4, compartment of terrain is provided with the 4th sealing ring 41 and the 5th sealing ring the 42, four sealing ring 41 and the 5th sealing ring 42 and is located at respectively in the 4th seal groove and the 5th seal groove.
First sealing ring 23 and the second sealing ring 34 form phase insulation cylinder 11 and the first resealing between head conducting ring 2 and middle part conducting ring 3 respectively; 3rd sealing ring 35, the 4th sealing ring 41 and the 5th sealing ring 42 form the first resealing between mounting insulation tube 12 and middle part conducting ring 3 and mounting base 4 respectively.
Be provided with sealant 51 between the outer surface of head conducting ring 2 and the front port of phase insulation cylinder 11, sealing agent 51 is arranged in the groove 22 at head conducting ring 2 rear portion; Between the middle part outer surface of conducting ring 3 and the rear port of phase insulation cylinder 11 and and the front port of mounting insulation tube 12 between be respectively equipped with sealant 52,53, sealant 52 is arranged in the groove 31 of conducting ring 3 front portion, middle part; Sealant 53 is arranged in the groove 33 at rear portion on the conducting ring 3 of middle part; Sealant 54 is provided with between the outer surface of mounting insulation tube 12 and the front port of mounting base 4.
Sealant 51 and sealant 52 form phase insulation cylinder 11 and the second resealing between head conducting ring 2 and middle part conducting ring 3 respectively; Sealant 53 and sealant 54 form the second resealing between mounting insulation tube 12 and middle part conducting ring 3 and mounting base 4 respectively.
Outer layer insulation cylinder 13 is wound around to hold around from the outer surface of the forward outer surface of head conducting ring 2, phase insulation cylinder 11, the center outer surface of middle part conducting ring 3, the outer surface of mounting insulation tube 12 to the forward outer surface of mounting base 4 by epoxy glass fiber to form an overall structure.
Outer layer insulation cylinder 13 constitutes the triple seal of head conducting ring 2, middle part conducting ring 3 and mounting base 4.
The groove 21 that the forward outer surface of head conducting ring 2 and center outer surface are arranged respectively, 22, twice groove that the forward outer surface of three road grooves 31,32,33 that the center outer surface of middle part conducting ring 3 is arranged and mounting base 4 is arranged 43,44 axial location that not only outer layer insulation cylinder 13 can have been made when being wound around but also can bonding strength be improved.
Primary insulation cylinder for insulating cylinder body in the base of oil fuse of the present invention is made up of phase insulation cylinder 11 and mounting insulation tube 12.Phase insulation cylinder 11 and mounting insulation tube 12 adopt cascaded surface to be connected with between two conducting rings 2,3 and mounting base 4 respectively, not only but also bonding strength and the sealing property of phase insulation cylinder 11 and mounting insulation tube 12 and two conducting ring 2,3 junctions can be ensured, and can stress dispersion be made, improve the bending strength of base, also can ensure the axial location of two conducting rings 2,3 and mounting base 4 and the axiality after installing and the perpendicularity with primary insulation cylinder 11,12.
Phase insulation cylinder 11 and between mounting insulation tube 12 and two conducting rings 2,3 and and mounting base 4 between be respectively equipped with rubber seal 23,34,35,41,42 that is high temperature resistant, oil resistant, the gap between the connection of different linear expansion coefficient material can be eliminated, there is radial positiver sealing.
Sealant 51 ~ 54 that is high temperature resistant, oil resistant is provided with between the outer surface of the port part of phase insulation cylinder 11 and mounting insulation tube 12 and two conducting rings 2,3, between the port of mounting base 4 and the outer surface of mounting insulation tube 12, form dual-seal with sealing ring 23,34,35,41,42 respectively, make sealing property more reliable.
Outer layer insulation cylinder 13 for the insulating cylinder body in the base of oil fuse of the present invention adopts high temperature resistant, oil resistant, high strength epoxy glass fiber material, has the sealing reliability of overall outsourcing, mechanical strength is high, good insulation preformance, overall appearance.
Of the present invention for the insulating cylinder body in the base of oil fuse, achieve the connection to different linear expansion coefficient material, there is multi-sealed protective characteristic and more effective, reliable sealing property.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, all will drop in Claims scope of the present invention the change of the above embodiment, modification.
Claims (3)
1., for a base for oil fuse, comprise an insulating cylinder body, two internal diameters identical and be separately fixed at the mounting base that the head of insulating cylinder body inner chamber and the conducting ring at middle part and are located at insulating cylinder body afterbody, it is characterized in that,
Described insulating cylinder body comprises primary insulation cylinder and outer layer insulation cylinder;
Described primary insulation cylinder is made up of two sections of cylinders, these two sections of cylinders are be wound around by epoxy glass fiber the phase insulation cylinder and mounting insulation tube that hold around respectively, described phase insulation cylinder is connected between the external rear face of described head conducting ring and the forward outer surface of described middle part conducting ring, between the external rear face that described mounting insulation tube is connected to described middle part conducting ring and the inner surface of described mounting base;
The first sealing ring is provided with between the external rear face of described head conducting ring and the inner surface of described phase insulation cylinder; The second sealing ring is provided with between the forward outer surface of described middle part conducting ring and the inner surface of described phase insulation cylinder; The 3rd sealing ring is provided with between the external rear face of described middle part conducting ring and the inner surface of described mounting insulation tube; Between the outer surface of described mounting insulation tube and the inner surface of described mounting base, compartment of terrain is provided with the 4th sealing ring and the 5th sealing ring;
Sealant is provided with between the outer surface of described head conducting ring and the front port of described phase insulation cylinder; Between the outer surface of described middle part conducting ring and the rear port of described phase insulation cylinder and and the front port of described mounting insulation tube between be respectively equipped with sealant; Sealant is provided with between the outer surface of described mounting insulation tube and the front port of described mounting base;
Described outer layer insulation cylinder is wound around to hold around from the forward outer surface of described head conducting ring, the outer surface of described phase insulation cylinder, the center outer surface of described middle part conducting ring, the outer surface of described mounting insulation tube to the forward outer surface of described mounting base by epoxy glass fiber to form an overall structure;
The inner cavity surface that described phase insulation cylinder is connected with described head conducting ring and the other end inner cavity surface be connected with described middle part conducting ring are respectively a cascaded surface; The inner cavity surface that described mounting insulation tube is connected with described middle part conducting ring is a cascaded surface.
2. the base for oil fuse according to claim 1, is characterized in that, the external rear face of described head conducting ring is provided with the first seal groove, and described first sealing ring is arranged in this first seal groove; The forward outer surface of described middle part conducting ring and external rear face are respectively equipped with the second seal groove and the 3rd seal groove, and described second sealing ring and the 3rd sealing ring are separately positioned in the second seal groove and the 3rd seal groove; Described mounting insulation tube is provided with the 4th seal groove and the 5th seal groove on the outer surface of the connecting portion with described mounting base, and described 4th sealing ring and the 5th sealing ring are separately positioned in the 4th seal groove and the 5th seal groove.
3. the base for oil fuse according to claim 1, is characterized in that, the center outer surface of described head conducting ring, the center outer surface of described middle part conducting ring and the forward outer surface of described mounting base are respectively equipped with some roads groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110194168.7A CN102881539B (en) | 2011-07-12 | 2011-07-12 | Base for oil-immersed fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110194168.7A CN102881539B (en) | 2011-07-12 | 2011-07-12 | Base for oil-immersed fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102881539A CN102881539A (en) | 2013-01-16 |
| CN102881539B true CN102881539B (en) | 2015-03-25 |
Family
ID=47482826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110194168.7A Active CN102881539B (en) | 2011-07-12 | 2011-07-12 | Base for oil-immersed fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102881539B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104538266B (en) * | 2014-12-22 | 2016-08-17 | 上海电器陶瓷厂有限公司 | A kind of support member of the lug plate for oil-immersed fuse pedestal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3775207A (en) * | 1970-08-28 | 1973-11-27 | Amalga Corp | Producing a filament wound fuseholder |
| CN201408727Y (en) * | 2009-03-31 | 2010-02-17 | 上海电器陶瓷厂有限公司 | Fuse base |
| CN201540865U (en) * | 2009-10-23 | 2010-08-04 | 陕西振力电力科技有限公司 | Oil-immersed limiting fuse |
| CN201838540U (en) * | 2010-10-27 | 2011-05-18 | 浙江三门巨邦熔断器有限公司 | Base of high-voltage current-limiting fuse |
| CN202196727U (en) * | 2011-07-12 | 2012-04-18 | 上海电器陶瓷厂有限公司 | Pedestal used for oil-immersed fuse |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4628291A (en) * | 1985-05-22 | 1986-12-09 | Rte Corporation | Full range oil expulsion fuse |
| CN201315300Y (en) * | 2008-11-17 | 2009-09-23 | 陕西振力电力科技有限公司 | Oil-immersed type fully-closed high-voltage current-limiting fuse |
-
2011
- 2011-07-12 CN CN201110194168.7A patent/CN102881539B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3775207A (en) * | 1970-08-28 | 1973-11-27 | Amalga Corp | Producing a filament wound fuseholder |
| CN201408727Y (en) * | 2009-03-31 | 2010-02-17 | 上海电器陶瓷厂有限公司 | Fuse base |
| CN201540865U (en) * | 2009-10-23 | 2010-08-04 | 陕西振力电力科技有限公司 | Oil-immersed limiting fuse |
| CN201838540U (en) * | 2010-10-27 | 2011-05-18 | 浙江三门巨邦熔断器有限公司 | Base of high-voltage current-limiting fuse |
| CN202196727U (en) * | 2011-07-12 | 2012-04-18 | 上海电器陶瓷厂有限公司 | Pedestal used for oil-immersed fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102881539A (en) | 2013-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103135178A (en) | Anti-compression optical fiber air-tight-seal interconnecting box body | |
| CN102881539B (en) | Base for oil-immersed fuse | |
| CN104216059B (en) | Hermetic seal optical connector and manufacture method thereof | |
| CN104319493A (en) | Differential contact element with sealing function | |
| CN202196727U (en) | Pedestal used for oil-immersed fuse | |
| US9746111B2 (en) | Hydraulic tube for vehicle | |
| CN105143942A (en) | Sealing tube for cable entry port | |
| US20160024855A1 (en) | Drill pipe | |
| CN204967216U (en) | Power cable intermediate head sealing device | |
| CN102621647B (en) | Irregular cable | |
| CN206711686U (en) | A kind of seal for high-tension shielding silk | |
| CN203689966U (en) | Cable sheath | |
| CN207994599U (en) | Cable intermediate joint water repellent component | |
| CN207232428U (en) | Optical fiber heat-shrink tube with crush resistance energy | |
| CN106481914A (en) | A kind of connector of corrugated tube | |
| CN203164473U (en) | Anti-compression optical fiber hermetic seal switching box body | |
| CN201965986U (en) | High-heat-dissipation optical-fiber composite overhead ground wire | |
| CN202600224U (en) | Novel central beam tube cable | |
| CN202958096U (en) | High-voltage electrical shielding device | |
| CN205210338U (en) | Fused fiber splice heat shrinkage bush | |
| CN105883243A (en) | 3DFF oil tank and preparation process thereof | |
| CN106707419A (en) | Optical fiber connector | |
| CN203012180U (en) | Integrated optical fiber fusion splicing thermal shrinkable bush | |
| CN209111379U (en) | A kind of high pressure resistant gas impact structure of workpiece | |
| CN100424536C (en) | Mixed optical cable with sensing and communication function and producing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID SHANGHAI ELECTRIC POWER COMPANY Effective date: 20140616 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140616 Address after: 200071 Shanghai city Zhabei District Qingyun Road No. 517 Applicant after: Shanghai Electric Ceramic Works Co., Ltd. Applicant after: State Grid Shanghai Municipal Electric Power Company Address before: 200071 Shanghai city Zhabei District Qingyun Road No. 517 Applicant before: Shanghai Electric Ceramic Works Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |