CN104485599A - Fuse unit for solid insulation ring main unit - Google Patents
Fuse unit for solid insulation ring main unit Download PDFInfo
- Publication number
- CN104485599A CN104485599A CN201410750012.6A CN201410750012A CN104485599A CN 104485599 A CN104485599 A CN 104485599A CN 201410750012 A CN201410750012 A CN 201410750012A CN 104485599 A CN104485599 A CN 104485599A
- Authority
- CN
- China
- Prior art keywords
- fuse
- fuse unit
- unit
- epoxy
- solid insulation
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/18—Disposition or arrangement of fuses
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuses (AREA)
Abstract
The invention provides a fuse unit for a solid insulation ring main unit. The fuse unit comprises a fuse unit body and a fuse unit end cover, wherein the fuse unit body comprises a tail conducting ring, a head conducting ring, a conductive copper bar, an auxiliary grounding switch, a cable joint conductor and fuse unit epoxy; the tail conducting ring, the head conducting ring, the conductive copper bar, the auxiliary grounding switch and the cable joint conductor are fixedly sealed in the fuse unit epoxy; the head conducting ring is respectively connected with the cable joint conductor and the auxiliary grounding switch through the conductive copper bar; the cable joint conductor is connected with a cable connector; the tail part of the fuse unit epoxy is provided with a tapered head connected with a main insulating module; the tail conducting ring is arranged in the tapered head; the fuse unit epoxy is provided with a fuse cavity and a cable connector; the end part of the fuse unit body is connected with the fuse unit end cover. According to the fuse unit provided by the invention, a fuse can be conveniently replaced for composite appliance units of the solid insulation ring main unit, and the installation uniformity of the fuse is improved.
Description
Technical field
The present invention relates to a kind of fuse unit of solid insulation ring main unit, belong to solid insulation ring main unit technical field.
Background technology
Conductor and the auxiliary earth switch at the fuse two ends in prior art fuse unit all adopt the form of a male female contact grafting to be connected; Flange is adopted to be fixedly connected with main insulating film model calling.Adopt the drawback of above solution to be that the formation of fuse unit cavity is non-circular, be unfavorable for follow-up encapsulation process; The life-span of auxiliary earth switch is shorter, and the stroke of auxiliary earth mechanism driving is very large; The mode that flange face connects need solve the problem with grounding of attachment screw and the electric field of screw to junction has adverse influence.
Meanwhile, prior art changes the fuse burnt needs by instrument; When inserting fuse, fuse need be held in the palm with hand always; Finally, also by handle, fuse to be compressed into fuse cavity.Replacing fuse is inconvenient.
Summary of the invention
The object of this invention is to provide a kind of fuse unit of solid insulation ring main unit, change fuse convenient, end cap energy automatic locking, automatic unlocking, and good looking appearance, solve the above-mentioned problems in the prior art.
The technical solution used in the present invention is:
A fuse unit for solid insulation ring main unit, comprises fuse unit body and fuse unit end cap, and fuse unit body comprises afterbody conducting ring, head conducting ring, conducting copper, auxiliary earth switch, cable joint conductor and fuse unit epoxy; Afterbody conducting ring, head conducting ring, conducting copper, auxiliary earth switch, cable joint conductor sealing are in fuse unit epoxy, head conducting ring is by conducting copper stube cable joint conductor, auxiliary earth switch respectively, cable joint conductor connection cables connector, the afterbody of fuse unit epoxy is provided with the conehead with main insulation model calling, be provided with afterbody conducting ring in conehead, fuse unit epoxy is provided with fuse cavity and cable connector; The end of fuse unit body is connected with fuse unit end cap, and fuse unit end cap comprises fuse pallet, sealing ring, fuse handle component and hold-down screw; Fuse pallet comprises tray body, molten folder, conductive reed, and tray body is provided with molten folder, conductive reed; Fuse handle component comprises fuse handle component epoxy, dead bolt, dead bolt guide rail and stop screw.
Further, afterbody conducting ring, head conducting ring are all designed to circular and are cast in epoxy.
Further, auxiliary earth switch uses vacuum interrupter.
Further, the center line of the center line of the conehead of fuse unit epoxy afterbody and fuse cavity point-blank.
Further, fuse unit end cap and fuse cavity contact position adopt silicone rubber O-ring to seal, and the structural design of sealing ring is shirt rim form.
Further, the end surface shape of fuse unit end cap is consistent with the end surface shape of fuse unit body.
Further, the hand grasp area of fuse handle component epoxy is integrated poured dead bolt guide rail.
Further, the concrete steps used are: with being held by fuse handle component, and the dead bolt of pressure, realize unlocking, then extract fuse pallet out, by the fuse of change of fuse Cheng Xin burnt, fuse pallet is inserted in the head conducting ring of fuse unit body, with hand, fuse unit end cap is pushed in fuse unit body, until dead bolt fastens the snap close be arranged on the cabinet of solid insulation ring main unit.
The good effect that the present invention has is: easy solid insulation looped network cabinet combination electric appliance unit changes fuse, and improves the consistency of fuse installation.By changing the contact at fuse two ends and the way of contact of fuse unit internal current conductor, use vacuum interrupter as auxiliary earth switch, the region held at fuse unit end cap arranges snap close.To improve the sealing means of fuse cavity, reduce the naked distance of auxiliary earth and improve the operation lifetime of auxiliary earth mechanism, automatic locking after new fuse is in place, change automatic unlocking when burning fuse.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention;
Fig. 2 is the structure chart of fuse unit in embodiment;
Fig. 3 is the structure chart of the fuse handle component of fuse unit end cap in embodiment;
Fig. 4 is the structure chart of the fuse pallet of fuse unit end cap in embodiment;
Wherein: 1-fuse unit end cap, 2-fuse unit body;
11-fuse handle component, 12-sealing ring, 13-fuse pallet;
111-fuse handle component epoxy, 112-dead bolt, 113-stop screw, 114-dead bolt guide rail;
131-tray body, the molten folder of 132-, 133-conductive reed;
21-afterbody conducting ring, 22-fuse unit epoxy, 23-auxiliary earth switch, 24-cable joint conductor, 25-conducting copper, 26-head conducting ring;
221-conehead, 222-fuse cavity, 223-cable connector.
Embodiment
The preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawing.
A kind of fuse unit of solid insulation ring main unit, comprise fuse unit body 2 and fuse unit end cap 1, as Fig. 1, fuse unit body 2 comprises afterbody conducting ring 21, head conducting ring 26, conducting copper 25, auxiliary earth switch 23, cable joint conductor 24 and fuse unit epoxy 22; Afterbody conducting ring 21, head conducting ring 26, conducting copper 25, auxiliary earth switch 23, cable joint conductor 24 sealing are in fuse unit epoxy 22, as Fig. 2, head conducting ring 26 is by conducting copper 25 stube cable joint conductor 24, auxiliary earth switch 23 respectively, cable joint conductor 24 stube cable connector 223, the afterbody of fuse unit epoxy 22 is provided with the conehead 221 with main insulation model calling, be provided with afterbody conducting ring 21 in conehead 221, fuse unit epoxy 22 is provided with fuse cavity 222 and cable connector 223.
The end of fuse unit body 2 is connected with fuse unit end cap 1, and fuse unit end cap 1 comprises fuse pallet 13, sealing ring 12, fuse handle component 11 and hold-down screw; As Fig. 3, fuse handle component 11 comprises fuse handle component epoxy 111, dead bolt 112, dead bolt guide rail 114 and stop screw 113.As Fig. 4, fuse pallet 13 comprises tray body 131, molten folder 132, conductive reed, and tray body 131 is provided with molten folder 132, conductive reed 133.
Afterbody conducting ring 21, head conducting ring 26 are all designed to circular and are cast in epoxy, can ensure that fuse cavity 222 is for circular, is convenient to follow-up encapsulation process.Auxiliary earth switch 23 uses vacuum interrupter, improves the life-span of auxiliary earth switch 23 and the naked distance that insulate.The center line of the conehead 221 of fuse unit epoxy 22 afterbody and the center line of fuse cavity 222, simplify structure and the mounting means of fuse unit point-blank.
Fuse unit end cap 1 and fuse cavity 222 contact position adopt silicone rubber O-ring 12 to seal, and the structural design of sealing ring 12 is shirt rim form.Reduce resistance when insertion, extraction fuse.The end surface shape of fuse unit end cap 1 is consistent with the end surface shape of fuse unit body 2, both ensure that the attractive in appearance of fuse unit and end cap entirety thereof, and has also been beneficial to fixing fuse unit end cap 1.
The hand grasp area of fuse handle component epoxy 111 is integrated poured dead bolt guide rail 114, solve cleverly fuse be in place after automatic locking, change fuse time automatic unlocking problem.
In specific implementation process, fuse unit body 2 and fuse unit end cap 1 must coordinate the high-voltage current-limiting fuse of requirement to use simultaneously, and as a phase output loop in solid insulation ring main unit combined electrical apparatus unit.
When extracting the fuse burnt out, with being held by fuse handle component 11, and the dead bolt 112 of pressure, realize unlocking, then extract fuse pallet 13 out, by the fuse of change of fuse Cheng Xin burnt, fuse pallet 13 is inserted in the head conducting ring 26 of fuse unit body 2, with hand, fuse unit end cap 1 is pushed in fuse unit body 2, until dead bolt 112 fastens the snap close be arranged on the cabinet of solid insulation ring main unit.
Claims (8)
1. a fuse unit for solid insulation ring main unit, is characterized in that: comprise fuse unit body and fuse unit end cap, and fuse unit body comprises afterbody conducting ring, head conducting ring, conducting copper, auxiliary earth switch, cable joint conductor and fuse unit epoxy; Afterbody conducting ring, head conducting ring, conducting copper, auxiliary earth switch, cable joint conductor sealing are in fuse unit epoxy, head conducting ring is by conducting copper stube cable joint conductor, auxiliary earth switch respectively, cable joint conductor connection cables connector, the afterbody of fuse unit epoxy is provided with the conehead with main insulation model calling, be provided with afterbody conducting ring in conehead, fuse unit epoxy is provided with fuse cavity and cable connector; The end of fuse unit body is connected with fuse unit end cap, and fuse unit end cap comprises fuse pallet, sealing ring, fuse handle component and hold-down screw; Fuse pallet comprises tray body, molten folder, conductive reed, and tray body is provided with molten folder, conductive reed; Fuse handle component comprises fuse handle component epoxy, dead bolt, dead bolt guide rail and stop screw.
2. the fuse unit of solid insulation ring main unit as claimed in claim 1, is characterized in that: afterbody conducting ring, head conducting ring are all designed to circular and are cast in epoxy.
3. the fuse unit of solid insulation ring main unit as claimed in claim 2, is characterized in that: auxiliary earth switch uses vacuum interrupter.
4. the fuse unit of solid insulation ring main unit as claimed in claim 3, is characterized in that: the center line of the conehead of fuse unit epoxy afterbody and the center line of fuse cavity are point-blank.
5. the fuse unit of the solid insulation ring main unit as described in any one of claim 1-4, is characterized in that: fuse unit end cap and fuse cavity contact position adopt silicone rubber O-ring to seal, and the structural design of sealing ring is shirt rim form.
6. the fuse unit of solid insulation ring main unit as claimed in claim 5, is characterized in that: the end surface shape of fuse unit end cap is consistent with the end surface shape of fuse unit body.
7. the fuse unit of solid insulation ring main unit as claimed in claim 6, is characterized in that: the hand grasp area of fuse handle component epoxy is integrated poured dead bolt guide rail.
8. the fuse unit of solid insulation ring main unit as claimed in claim 7, it is characterized in that, the concrete steps used are: with being held by fuse handle component, and the dead bolt of pressure, realize unlocking, then extract fuse pallet out, by the fuse of change of fuse Cheng Xin burnt, fuse pallet is inserted in the head conducting ring of fuse unit body, with hand, fuse unit end cap is pushed in fuse unit body, until dead bolt fastens the snap close be arranged on the cabinet of solid insulation ring main unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750012.6A CN104485599A (en) | 2014-12-10 | 2014-12-10 | Fuse unit for solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410750012.6A CN104485599A (en) | 2014-12-10 | 2014-12-10 | Fuse unit for solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104485599A true CN104485599A (en) | 2015-04-01 |
Family
ID=52760120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410750012.6A Pending CN104485599A (en) | 2014-12-10 | 2014-12-10 | Fuse unit for solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104485599A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666876A (en) * | 2018-05-31 | 2018-10-16 | 益和电气集团股份有限公司 | A kind of fuse unit of easy disassembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684215A (en) * | 2004-04-15 | 2005-10-19 | 本田制锁有限公司 | Cover for electromagnetic switch |
| CN102427011A (en) * | 2011-12-23 | 2012-04-25 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| CN202930342U (en) * | 2012-11-19 | 2013-05-08 | 北京清畅电力技术股份有限公司 | High-voltage solid insulation fuse unit |
| CN203645227U (en) * | 2013-12-30 | 2014-06-11 | 深圳市金能源电器有限公司 | Ring network cabinet with epoxy resin fuse tube |
| CN204243596U (en) * | 2014-12-10 | 2015-04-01 | 中国能建集团装备有限公司南京技术中心 | The fuse unit of solid insulation ring main unit |
-
2014
- 2014-12-10 CN CN201410750012.6A patent/CN104485599A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1684215A (en) * | 2004-04-15 | 2005-10-19 | 本田制锁有限公司 | Cover for electromagnetic switch |
| CN102427011A (en) * | 2011-12-23 | 2012-04-25 | 珠海康晋电气有限公司 | Fuse wire tube and switch cabinet |
| CN202930342U (en) * | 2012-11-19 | 2013-05-08 | 北京清畅电力技术股份有限公司 | High-voltage solid insulation fuse unit |
| CN203645227U (en) * | 2013-12-30 | 2014-06-11 | 深圳市金能源电器有限公司 | Ring network cabinet with epoxy resin fuse tube |
| CN204243596U (en) * | 2014-12-10 | 2015-04-01 | 中国能建集团装备有限公司南京技术中心 | The fuse unit of solid insulation ring main unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108666876A (en) * | 2018-05-31 | 2018-10-16 | 益和电气集团股份有限公司 | A kind of fuse unit of easy disassembly |
| CN108666876B (en) * | 2018-05-31 | 2020-07-28 | 青岛益和电气集团股份有限公司 | Fuse tube convenient to disassemble and assemble |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150401 |