CN203055841U - A solid-insulated totally-enclosed fuse cylinder - Google Patents
A solid-insulated totally-enclosed fuse cylinder Download PDFInfo
- Publication number
- CN203055841U CN203055841U CN 201220740536 CN201220740536U CN203055841U CN 203055841 U CN203055841 U CN 203055841U CN 201220740536 CN201220740536 CN 201220740536 CN 201220740536 U CN201220740536 U CN 201220740536U CN 203055841 U CN203055841 U CN 203055841U
- Authority
- CN
- China
- Prior art keywords
- fuse
- epoxy resins
- insulation shell
- resins insulation
- fuse unit
- 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
Images
Landscapes
- Fuses (AREA)
Abstract
The utility model provides a solid-insulated totally-enclosed fuse cylinder which is used for protecting electrical equipment from being damaged by overload and short circuit current. The technical scheme of the utility model comprises an epoxy resin cylinder body, a firing pin mechanism, a fuse grounding end, a fuse tube disposed in a housing, a front torx fixed contact seat, and a back torx fixed contact seat. The epoxy resin cylinder body is formed by using epoxy resin automatic pressure gel technology. A fuse wire inlet end is disposed on the rear end of the epoxy resin cylinder body vertically and upwardly or vertically and downwardly. A fuse wire outlet end is disposed on the front end of the epoxy resin cylinder body vertically and downwardly. The fuse grounding end is disposed on the front upper part of the epoxy resin cylinder body. Conductive aluminum castings are disposed on the front and the rear ends of the epoxy resin cylinder body. A top embedding member on a front conductive aluminum casting is connected with a grounding rod, while the bottom of the front conductive aluminum casting is threadingly connected with the wire outlet end. A back conductive aluminum casting is fixed on the back torx fixed contact seat and is connected with the wire inlet end in a vertically upward or downward direction. The provided fuse cylinder has characteristics of easy installation, flexibleness, good security performance, complete insulation, and complete sealing.
Description
Technical field
The utility model relates to a kind of solid insulated fully-closed fuse unit, belong to rebuild traditional industry product in the field of power equipment manufacturing technology field new and high technology new material, particularly relate to a kind of solid insulated fully-closed fuse unit that uses at the solid insulation ring main unit.
Background technology
At present in 35kv and following distribution system, the bottom electric connecting member of employed fuse unit is to adopt exposed metal material to make, need to use copper bar or copper rod to be connected to into and out of thread casing in use, so existing fuse unit does not reach solid insulated fully-closed requirement; And its grounded part does not have special earth terminal, and ground connection is inconvenient reliable in changing fuse or maintenance process.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of brand-new fuse unit that solid is full-insulated full-sealed, ground connection is convenient and reliable.
The technical solution of the utility model is: a kind of solid insulated fully-closed fuse unit, comprise the epoxy resins insulation shell, striker mechanism, the fuse earth terminal, be arranged at the cartridge fuse in the epoxy resins insulation shell, it is characterized in that: be positioned at the epoxy resins insulation enclosure and be provided with the fuse unit cage successively from A-P, described striker mechanism, preceding plum blossom static contact seat, described cartridge fuse, back plum blossom static contact seat, described fuse unit cage is fixed on the prosopyle place of described epoxy resins insulation shell, the plum blossom static contact seat is fixed on the rear side of described striker mechanism before described, the rear portion upper vertical of described epoxy resins insulation shell is to the fuse end of incoming cables is set, upper end, described fuse end of incoming cables has link slot, the lower end of described fuse end of incoming cables arranges conducting rod, on the described conducting rod bolt hole is set, the position that described epoxy resins insulation shell is positioned at described bolt hole embeds aluminium casting, described aluminium casting cooperates connection with the internal perisporium of epoxy resins insulation shell, and contact with described back plum blossom static contact seat, the underside of forward of described epoxy resins insulation shell is vertically to the leading-out terminal that fuse unit is set; Described fuse unit leading-out terminal inside arranges conducting rod, the upper end of described conducting rod is provided with screwed hole, the top of described epoxy resins insulation shell arranges the fuse earth terminal, described fuse unit earth brace is plugged in the described fuse earth terminal, the rear portion of described fuse earth brace is provided with moving contact, described epoxy resins insulation shell front portion is provided with the aluminium casting that conduction connects, lower end and conducting rod that described conduction connects aluminium casting are halved together, and the aluminium casting that described preceding plum blossom static contact seat is connected with described conduction connects.
Further, described fuse unit cage top is provided with the opening that cooperates with described striker mechanism, the both sides of this opening arrange side plate respectively, described side plate is provided with draw-in groove, the striker mechanism body of described striker mechanism is provided with the connecting portion that passes described fuse unit cage opening, connecting portion stretches out described draw-in groove by rotating shaft, and cooperates with fixing described striker mechanism with described draw-in groove.
Further, described fuse earth terminal links to each other with aluminium casting by embedding copper bar.
Further, wherein shielding processing has been adopted in an epoxy resins insulation enclosure coupling part, and the external spray of epoxy resin cylindrical shell has semi-conductive layer, makes voltage withstand class higher.
Further, the opening part of described fuse earth terminal is equipped with plastics flange, and the fuse earth brace passes described plastics flange and is actively plugged in described fuse earth terminal.
Further, end of incoming cables, described fuse unit rear end is provided with the downward link slot that is symmetrically distributed up and down with link slot, can realize the overlap joint of a bus of different schemes, up and down can be general, because fuse earth terminal fixed contact adopts self-closing's contact to make it more reliable when ground connection.
Further, described epoxy resins insulation shell is that cross section is circular cylinder.
Further, described epoxy resins insulation shell lower end is provided with louvre, and described louvre communicates with cartridge fuse, with control epoxy resins insulation crust internal temperature rise.
Advantage of the present utility model is: wherein passes in and out line and connects by bolt, and easy to connect, with the air all insulation; Be provided with the insulating cover earth brace in the fuse upper end, make that fuse ground connection conveniently can.
Description of drawings
Fig. 1 is the utility model fuse unit schematic diagram.
Embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, embodiment cited below particularly, and conjunction with figs. are described in detail below, but the utility model is not limited to this.
See Fig. 1, solid insulation fully closed combined electrical apparatus fuse unit of the present utility model, comprise: comprise epoxy resins insulation shell 1, striker mechanism 3, fuse earth terminal 7 and cartridge fuse 6, in the epoxy resins insulation shell 1, fuse unit cage 2 successively from front to back, striker mechanism 3, preceding plum blossom static contact seat 8, cartridge fuse 6 and back plum blossom static contact seat 9, epoxy resins insulation shell 1 main body is that cross section is circular cylinder, the whole poured with epoxy resin that adopts forms, epoxy resins insulation shell 1 main body inner wall has adopted shielding processing, and external overall spraying shield semiconductors layer, epoxy resins insulation shell 1 suitable for reading according to international size setting realized standardization.
The upper left side of epoxy resins insulation shell 1 arranges fuse end of incoming cables 4 or 4 ' vertically upward or downwards, fuse end of incoming cables 4 has link slot 4a or 4a ', when pouring into a mould, the upper end of the lower end of fuse end of incoming cables 4 or fuse end of incoming cables 4 ' embeds conducting rod 4b or 4b ', have bolt hole 4c or 4c ' on the conducting rod 4c, embed conduction when pour into a mould with afterbody in epoxy resins insulation shell 1 left side and be connected aluminium casting 11, aluminium casting 11 is around epoxy resins insulation shell one week of 1 body interior, the bottom of conductive aluminum foundry goods 11 arranges 3 screwed holes, and back static contact seat 9 is by being bolted on the aluminium casting 11.When connecting inlet wire, with the corresponding screwed hole connecting screw rod that arranges on the cable of end of incoming cables, and screw rod screwed in bolt hole 4c or 4c ', and from epoxy resins insulation shell 1 body interior nut fastening screw, can long cable section of ingoing line end and fuse unit end of incoming cables 4 is fixing.
The upper left side of epoxy resins insulation shell 1 arranges fuse leading-out terminal 5 vertically downward, 5 inside, fuse end of incoming cables embed conducting rod 5a when pouring into a mould, the lower end of conducting rod 5a is provided with screwed hole 5b, when connecting outlet, fastening getting final product among the screwed hole 5b on the bolt screw-in fuse leading-out terminal 5 that arranges on the cable with leading-out terminal.
The top of epoxy resins insulation shell 1 arranges fuse earth terminal 7, the opening part of fuse earth terminal 7 is equipped with plastics flange 7a by bolt, and fuse earth brace 13 is passed plastics flange 7a be actively plugged in the fuse earth terminal 7, the rear portion of fuse earth brace 13 is provided with fixed contact 13a, fixed contact 13a is self-closing's contact, makes earth brace 13 more reliable being plugged among the fixed contact 13a.
The position that epoxy resins insulation shell 1 is positioned at conducting rod (5a) embeds conduction connection aluminium casting 10, conduction connects bottom and the conducting rod 5a interlocking of aluminium casting 10, top and 12 interlockings of ground connection copper bar, aluminium casting 10 is around epoxy resins insulation shell one week of 1 body interior, and the afterbody of fuse earth terminal 7 and ground connection copper bar 12 are rabbeted.
When fuse 6 is installed, striker mechanism 3 is extracted, and an end of fuse 6 is fixed on before the fuse unit on the static contact seat 8, and striker mechanism inserted in epoxy resins insulation shell 1 body, make back static contact seat 9 contact with the other end of fuse 6, by downward pulling handle 3a, when rotating shaft 3b is positioned at the bottom of draw-in groove 2b, striker mechanism 3 can be fixed on the fuse pressing plate 14.
When changing fuse 6, by upwards spurring handle 3a, make that rotating shaft 3b can be movable in draw-in groove 2b, when rotating shaft 3b moves to the top of draw-in groove 2b, can extract striker mechanism 3, be replaced with new fuse, make change of fuse convenient.
Because wherein shielding processing has been adopted in inner each coupling part of epoxy resins insulation shell 1, and the external spray of epoxy resins insulation shell 1 has semi-conductive layer, makes voltage withstand class higher.
Described epoxy resins insulation shell 1 lower end is provided with louvre 15, and described louvre 15 communicates with cartridge fuse 6, with control epoxy resins insulation crust 1 internal temperature rise.
Described epoxy resins insulation shell 1 applies one deck semi-conductive layer, guarantees that epoxy resins insulation shell 1 is in current potential utterly, guarantees that electric field concentrates on epoxy resin inside between electrified body and the ground, avoids long-time running dust, condensed water that operation is brought influence.
Fuse is suitable for reading again easily realizes large-scale standardized production all according to the GB size design, to save cost.
The above only is preferred embodiment of the present utility model, and all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (8)
1. solid insulated fully-closed fuse unit, comprise epoxy resins insulation shell (1), striker mechanism (3), fuse earth terminal (7), louvre (15), be arranged at the cartridge fuse (6) in the epoxy resins insulation shell, it is characterized in that: be positioned at epoxy resins insulation shell (1) inside and be provided with fuse unit cage (2) successively from A-P, described striker mechanism (3), preceding plum blossom static contact seat (8), described cartridge fuse (6), back plum blossom static contact seat (9), described fuse unit cage (2) is fixed on the prosopyle place of described epoxy resins insulation shell (1), plum blossom static contact seat (8) is fixed on the rear side of described striker mechanism (3) before described, the rear portion upper vertical of described epoxy resins insulation shell (1) is to fuse end of incoming cables (4) is set, upper end, described fuse end of incoming cables (4) has link slot (4a), the lower end of described fuse end of incoming cables (4) arranges conducting rod (4b), bolt hole (4c) is set on the described conducting rod (4b), the position that described epoxy resins insulation shell (1) is positioned at described bolt hole (4c) embeds aluminium casting (11), described aluminium casting (11) cooperates connection with the internal perisporium of epoxy resins insulation shell (1), and contact with described back plum blossom static contact seat (9), the underside of forward of described epoxy resins insulation shell (1) is vertically to the leading-out terminal that fuse unit is set (5); Described fuse unit leading-out terminal (5) inside arranges conducting rod (5a), the upper end of described conducting rod (5a) is provided with screwed hole (5b), the top of described epoxy resins insulation shell (1) arranges fuse earth terminal (7), described fuse unit earth brace (13) is plugged in the described fuse earth terminal (7), the rear portion of described fuse earth brace (13) is provided with moving contact (13a), described epoxy resins insulation shell (1) front portion is provided with the aluminium casting (10) that conduction connects, lower end and conducting rod (5a) that described conduction connects aluminium casting (10) are halved together, the aluminium casting (10) that plum blossom static contact seat (8) is connected with described conduction before described connects, and described epoxy resins insulation shell (1) lower end is provided with louvre (15).
2. solid insulated fully-closed fuse unit according to claim 1, it is characterized in that: described fuse unit cage (2) top is provided with the opening that cooperates with described striker mechanism (3), the both sides of this opening arrange side plate (2a) respectively, described side plate (2a) is provided with draw-in groove (2b), the striker mechanism body (3a) of described striker mechanism (3) is provided with the connecting portion that passes described fuse unit cage (2) opening, connecting portion stretches out described draw-in groove (2b) by rotating shaft (3b), and cooperates with fixing described striker mechanism (3) with described draw-in groove (2b).
3. solid insulated fully-closed fuse unit according to claim 1 is characterized in that: described fuse earth terminal (7) links to each other with aluminium casting by embedding copper bar.
4. solid insulated fully-closed fuse unit according to claim 1, it is characterized in that: the external spray of described epoxy resins insulation shell (1) has semi-conductive layer.
5. solid insulated fully-closed fuse unit according to claim 1, it is characterized in that: the opening part of described fuse earth terminal (7) is equipped with plastics flange (7a), and fuse earth brace (13) passes described plastics flange (7a) and is actively plugged in described fuse earth terminal (7).
6. solid insulated fully-closed fuse unit according to claim 1, it is characterized in that: end of incoming cables, described fuse unit rear end is provided with the downward link slot that is symmetrically distributed up and down with link slot (4a) (4a '), can realize the overlap joint of a bus of different schemes, up and down can be general.
7. solid insulated fully-closed fuse unit according to claim 1 is characterized in that: described epoxy resins insulation shell (1) is that cross section is circular cylinder.
8. solid insulated fully-closed fuse unit according to claim 1, it is characterized in that: described epoxy resins insulation shell (1) lower end is provided with louvre (15), described louvre (15) communicates with cartridge fuse (6), with control epoxy resins insulation crust (1) internal temperature rise.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740536 CN203055841U (en) | 2012-12-31 | 2012-12-31 | A solid-insulated totally-enclosed fuse cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220740536 CN203055841U (en) | 2012-12-31 | 2012-12-31 | A solid-insulated totally-enclosed fuse cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055841U true CN203055841U (en) | 2013-07-10 |
Family
ID=48738768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220740536 Expired - Fee Related CN203055841U (en) | 2012-12-31 | 2012-12-31 | A solid-insulated totally-enclosed fuse cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055841U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681148A (en) * | 2013-12-15 | 2014-03-26 | 甘肃长城电工电器工程研究院有限公司 | Fuse insulating cylinder |
| CN104348089A (en) * | 2014-10-31 | 2015-02-11 | 许继集团有限公司 | Fuse wire barrel and switch cabinet using fuse wire barrel |
| CN104348090A (en) * | 2014-10-31 | 2015-02-11 | 许继集团有限公司 | Fuse wire barrel for switch cabinet and solid insulating switch cabinet using fuse wire barrel |
| CN104392862A (en) * | 2014-11-21 | 2015-03-04 | 国家电网公司 | Auxiliary ground switch component of fuse |
| CN109524281A (en) * | 2019-01-08 | 2019-03-26 | 北京博瑞莱智能科技周口有限公司 | A kind of compound insulation type fuse |
-
2012
- 2012-12-31 CN CN 201220740536 patent/CN203055841U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681148A (en) * | 2013-12-15 | 2014-03-26 | 甘肃长城电工电器工程研究院有限公司 | Fuse insulating cylinder |
| CN104348089A (en) * | 2014-10-31 | 2015-02-11 | 许继集团有限公司 | Fuse wire barrel and switch cabinet using fuse wire barrel |
| CN104348090A (en) * | 2014-10-31 | 2015-02-11 | 许继集团有限公司 | Fuse wire barrel for switch cabinet and solid insulating switch cabinet using fuse wire barrel |
| CN104348089B (en) * | 2014-10-31 | 2017-07-21 | 许继集团有限公司 | Fuse unit and the switch cubicle using the fuse unit |
| CN104392862A (en) * | 2014-11-21 | 2015-03-04 | 国家电网公司 | Auxiliary ground switch component of fuse |
| CN109524281A (en) * | 2019-01-08 | 2019-03-26 | 北京博瑞莱智能科技周口有限公司 | A kind of compound insulation type fuse |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201601100U (en) | Fuse cutout for solid insulating full-closed combined electrical appliance | |
| CN203055841U (en) | A solid-insulated totally-enclosed fuse cylinder | |
| CN205666175U (en) | Outdoor vacuum circuit breaker on intelligent post | |
| CN203103824U (en) | An epoxy resin solid insulation vacuum switch module | |
| CN202019159U (en) | Intellectualized solid sealing insulation fixed type high-voltage switch cabinet | |
| CN203631405U (en) | Solid insulation direct acting earthing switch | |
| CN206422504U (en) | Separable connector for power cable | |
| CN203312144U (en) | Ultra-short-type solid encapsulation pole column | |
| CN202333561U (en) | Contact box used in high-voltage switch cabinet | |
| CN202816779U (en) | Solid insulated pole | |
| CN106960759A (en) | Monopole insulating cylinder and the monopole arc-chutes and on-load switch using the monopole insulating cylinder | |
| CN202259116U (en) | Fuse protector drum | |
| CN102227059A (en) | Intelligent solid closed insulating fixed-type high voltage switchgear | |
| CN101140836A (en) | Circuit breakers pole column and manufacturing method thereof | |
| CN207338666U (en) | A kind of cable elbow-shaped head ground wire | |
| CN206907717U (en) | A kind of breaker provided with plug-in circuit module | |
| CN104577857A (en) | Fully-insulated and fully-sealed solid-cabinet fuse tube | |
| CN205069493U (en) | Vacuum load switch and fuse combined electrical apparatus | |
| CN206532896U (en) | A kind of bus tie and the switch cabinet combining structure using the connector | |
| CN203983779U (en) | Power cabinet | |
| CN201766300U (en) | Transparent lower contact box for side-mounted withdrawable high-tension switch cabinet | |
| CN204333737U (en) | Full-insulated full-sealed solid cabinet fuse unit | |
| CN202816784U (en) | Breaker voltage equalizing cover | |
| CN212542170U (en) | Built-in three-phase voltage transformer of fuse | |
| CN206850040U (en) | A kind of power distribution line maintenance earthing or grounding means |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20161231 |