CN105845527A - Double-column drop-type fuser - Google Patents
Double-column drop-type fuser Download PDFInfo
- Publication number
- CN105845527A CN105845527A CN201610266555.XA CN201610266555A CN105845527A CN 105845527 A CN105845527 A CN 105845527A CN 201610266555 A CN201610266555 A CN 201610266555A CN 105845527 A CN105845527 A CN 105845527A
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- China
- Prior art keywords
- moving contact
- contact
- fixed
- static contact
- lower moving
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- 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.)
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/54—Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
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- Fuses (AREA)
Abstract
The present invention provides a double-column drop-type fuser. The fuser comprises a pedestal, insulation pillars and a fusion tube. Two insulation pillars are arranged in parallel at the pedestal, one of the insulation pillars is fixedly connected with an upper fixed contact assembly, and the other one thereof is fixedly connected with a lower fixed contact assembly; an upper moving contact assembly and a lower moving contact assembly are respectively arranged at two ends of the fusion tube, and the lower fixed contact assembly and the lower moving contact assembly are hinged; and the upper fixed contact assembly and the upper moving contact assembly are mutually buckled. The lower moving contact assembly includes a flip mechanism, a lower moving contact and a lower moving contact support piece. The lower moving contact support piece is hinged with the lower moving contact, and the flip mechanism is hinged with the lower moving contact. The lower fixed contact assembly comprises a lower support, a lower reinforcing plate, a lower wiring plate and a shrapnel. The lower moving contact is hinged with the lower support. The double-column drop-type fuser provided by the invention is enhanced in the intensity of the double-column insulator so as to effectively avoid the breakage risk and make the double-column drop-type fuser safer and more reliable.
Description
Technical field
Present invention relates particularly to a kind of queen post fuse switch.
Background technology
Fuse switch is widely used in outdoor aerial circuit, as transformator and the short circuit of circuit, overload protection and deciliter load current.Fuse switch is made up of insulating support and fusion tube, and upper and lower static contact is arranged on insulating support two ends, and upper and lower moving contact is arranged on fusion tube two ends.Fusion tube is made up of expulsion tube and fuse.
Fuse switch is when properly functioning, and fusion tube is by forming make position after fuse tensioning, touch spring when moving contact contacts with upper static contact in utilization compresses.When system jam, fault current makes fuse failure, and forms electric arc, and the substantial amounts of gas of expulsion tube decomposes forms very high pressure, makes electric arc elongate rapidly and extinguish.After fuse failure, lower moving contact loses pulling force, and retaining mechanism discharges, and fusion tube falls formation and significantly cut-offs position.
The most normally used is one-mast support fuse switch, but owing to outdoor environment is relatively more severe, especially wind energy turbine set, wind-force is bigger, and height above sea level is higher, adds the heavier-weight of fuse own, one-mast support insulator strength just seems inadequate, sometimes has the risk of fracture.Particularly severe cold, snow-up terrain, brings the biggest impact to power supply reliability.Rupture if in during normal on/off switch, personal security can be constituted a threat to.And during the fuse switch of existing design cut-offs, the arc time is longer, it is impossible to ensure the reliable arc extinguishing of fuse.
Summary of the invention
One of the object of the invention is to provide a kind of queen post fuse switch, solves the problem that one-mast support insulator mechanical strength is inadequate, makes running more secure, reliable of fuse.
A kind of queen post fuse switch that the present invention provides, including base, insulated column and fusion tube；Two described insulated columns it are set side by side with on described base, fixing connection upper static contact assembly on one of them insulated column, the lower static contact component of fixing connection on another one insulated column；The two ends of described fusion tube are separately installed with moving contact component and lower moving contact assembly, and described lower static contact component is flexibly connected with described lower moving contact assembly；Described when described fuse is in "on" position, described upper static contact assembly and the described mutual snapping of upper moving contact component.
Further, described upper static contact assembly includes upper bracket, groove fixed plate, side connecting plate, upper quiet side contact, contact stage clip, upper junction plate, upper reinforcing plate, upper static contact and connecting plate assembly；The bottom of described upper bracket is fixed on described insulating support, and described upper bracket upper end is fixed with described groove fixed plate, side connecting plate, upper quiet side contact, upper junction plate and upper reinforcing plate successively, and described quiet side contact is positioned at the inner side of described groove fixed plate；Described quiet side contact is provided with the first groove, and the top of described first groove is connected with described groove fixed plate by described contact stage clip；The bottom of described upper static contact is fixed between described upper reinforcing plate and upper junction plate, and described connecting plate assembly is fixed on the bottom of described upper static contact, and the both sides of described upper static contact are provided with clamping plate；
Described upper moving contact component includes moving contact and pressure releasing cap, described upper moving contact is provided with fixed block and connects assembly and fixed block；Described upper moving contact is fixed on the upper end of described fusion tube, and described pressure releasing cap is fixed on the top of described upper moving contact, and described fixed block connects assembly by described fixed block and is fixed on described upper moving contact；When described fuse is in "on" position, the first groove of described quiet side contact clasps pressure releasing cap, and described upper static contact clasps fixed block.
Further, described pressure releasing cap is connected by screw thread is fixing with the top of described upper moving contact.
Further, described upper static contact is nose, and the centre position of described upper static contact both sides clamping plate is provided with the second groove；When described fuse is in "on" position, the second groove on described upper static contact clasps fixed block.
Further, it is fixed with contact shell fragment outside described upper static contact.
Further, described upper static contact is bolted to connection with described contact shell fragment.
Further, described lower moving contact assembly includes panel turnover mechanism, lower moving contact and lower moving contact supporter；
Described lower moving contact supporter is fixing with described fusion tube to be connected, described lower moving contact and lower moving contact supporter hinge, described panel turnover mechanism and described lower moving contact hinge；
Described lower static contact component includes lower carriage, lower reinforcing plate, lower patch panel and shell fragment；Described lower carriage is fixing with described insulated column to be connected, and described lower reinforcing plate is fixing with bottom described lower carriage to be connected, and described lower patch panel is fixing with described lower reinforcing plate to be connected, and described shell fragment is fixing with described lower patch panel to be connected；
Described lower moving contact and described lower carriage hinge.
Further, described panel turnover mechanism includes turnover panel and torsion spring, and described turnover panel is fixing with torsion spring to be connected.
Further, described lower moving contact and lower moving contact supporter are by circular cylinder elastic cotter hinge.
Further, described panel turnover mechanism and described lower moving contact are by circular cylinder elastic cotter hinge.
The beneficial effects of the present invention is, the invention provides a kind of queen post fuse switch, twin props insulator strength strengthens, and effectively prevents the risk of fracture, makes running more secure, reliable of fuse；And by using panel turnover mechanism, it is possible to making fuse during cut-offfing, the buttock line of fuse is pulled out rapidly fusion tube under the effect of panel turnover mechanism tension force, reduces the arc time, it is ensured that the reliable arc extinguishing of fuse.
Accompanying drawing explanation
Fig. 1 show a kind of queen post fuse switch structural representation of the present invention.
Fig. 2 show upper static contact modular construction schematic diagram of the present invention.
Fig. 3 show quiet side structure of contact terminal schematic diagram in the present invention.
Fig. 4 show the structural representation of upper static contact of the present invention.
Fig. 5 show the structural representation of moving contact component in the present invention.
Fig. 6 show the structural representation of static contact component under the present invention
Fig. 7 show the structural representation of lower carriage of the present invention.
Fig. 8 show the structural representation of lower moving contact assembly of the present invention.
Fig. 9 show the structural representation of lower moving contact supporter in lower moving contact assembly of the present invention.
Figure 10 show the structural representation of turnover panel in lower moving contact assembly of the present invention.
Detailed description of the invention
The present invention is described in detail below in conjunction with specific embodiment.It should be noted that, what the combination of technical characteristic described in following embodiment or technical characteristic was not construed as isolating, they can be mutually combined thus be reached superior technique effect.
As it is shown in figure 1, a kind of queen post fuse switch that the present invention provides, including base 1, insulated column 2 and fusion tube 3；Two insulated columns 2 it are set side by side with on base 1, fixing connection upper static contact assembly 4 on one of them insulated column 2, the lower static contact component 5 of fixing connection on another one insulated column 2；The two ends of fusion tube 3 are separately installed with moving contact component 6 and lower moving contact assembly 7, and lower static contact component 5 is flexibly connected with lower moving contact assembly 7；When fuse is in "on" position, upper static contact assembly 4 and the upper mutual snapping of moving contact component 6.
As shown in Figure 2-5, upper static contact assembly 4 includes upper bracket 41, groove fixed plate 42, side connecting plate 43, upper quiet side contact 44, contact stage clip 49, upper junction plate 45, upper reinforcing plate 46, upper static contact 47 and connecting plate assembly 48；The bottom of upper bracket 41 is fixed on insulated column 2, and upper bracket 41 upper end is fixed with groove fixed plate 42, side connecting plate 43, upper quiet side contact 44, upper junction plate 45 and upper reinforcing plate 46 successively, and upper quiet side contact 44 is positioned at the inner side of groove fixed plate 42；Upper quiet side contact 44 is provided with the first groove 441, and the first groove 441 is in bowl-shape.First groove 441 top is connected with groove fixed plate 42 by contact stage clip 49；The bottom of upper static contact 47 is fixed between upper reinforcing plate 46 and upper junction plate 45, and connecting plate assembly 48 is fixed on the bottom of upper static contact 47.
The both sides of upper static contact 47 are provided with clamping plate；Upper static contact 47 is in nose, and the centre position of both sides clamping plate is provided with the second groove 471.
Upper static contact 47 is integrated design structure.
Contact shell fragment 472 it is fixed with, together with upper static contact 47 is bolted on contact shell fragment 472 outside upper static contact 47.
Upper moving contact component 6 includes moving contact 61 and pressure releasing cap 62.It is provided with fixed block 64 on upper moving contact 61 and fixed block connects assembly 63.Fixed block connects assembly 63 and fixed block 64 is integrated design with upper moving contact 61；Pressure releasing cap 62 is in hat shape.
Upper moving contact 61 is fixed on the upper end of fusion tube 3.Pressure releasing cap 62 is threadably secured in the top of upper moving contact 61.
Fixed block 64 connects assembly 63 by fixed block and is fixed on the bottom of fusion tube 3；When fuse is in "on" position, first groove 441 of upper quiet side contact 44 can clasp pressure releasing cap 62, and the second groove 471 on upper static contact 47 can clasp fixed block 64, thus defines double loop structure, solve fuse fault-free and fall problem, add fuse current capacity simultaneously.
Lower moving contact assembly 7 includes panel turnover mechanism, lower moving contact 72 and lower moving contact supporter 71 as illustrated in figures 6-10.Lower moving contact supporter 71 is fixing with fusion tube 3 to be connected, lower moving contact 72 and lower moving contact supporter 71 hinge, panel turnover mechanism and lower moving contact 72 hinge；Panel turnover mechanism includes turnover panel 73 and torsion spring 74, and turnover panel 73 is fixing with torsion spring 74 to be connected.
Lower static contact component 5 includes lower carriage 51, lower reinforcing plate 52, lower patch panel 53 and shell fragment 54；Lower carriage 51 is fixing with insulated column 2 to be connected, and lower reinforcing plate 52 is fixing with bottom lower carriage 51 to be connected, and lower patch panel 53 is fixing with lower reinforcing plate 52 to be connected, and shell fragment 54 is fixing with lower patch panel 53 to be connected.When fuse closes a floodgate, shell fragment 54 contacts with lower moving contact 72, plays the effect of conduction.
Lower moving contact 72 and lower carriage 51 hinge, enable lower moving contact assembly to rotate around lower static contact component.
Preferably, lower moving contact 72 and lower moving contact supporter 71, by circular cylinder elastic cotter hinge, make lower moving contact 72 can rotate within the specific limits around lower moving contact supporter 71.
Preferably, panel turnover mechanism and lower moving contact 72, by circular cylinder elastic cotter hinge, enables the panel turnover mechanism within the specific limits can be with flexible rotating.The design of panel turnover mechanism keeps certain tension force after making fusing carrier installation, fuse is during cut-offfing, and the buttock line of fuse is pulled out rapidly fusion tube under the effect of panel turnover mechanism tension force, reduces the arc time, it is ensured that the reliable arc extinguishing of fuse.
The invention provides a kind of queen post fuse switch, twin props insulator strength strengthens, and effectively prevents the risk of fracture, makes running more secure, reliable of fuse.
Although having been presented for some embodiments of the present invention herein, it will be appreciated by those of skill in the art that without departing from the spirit of the invention, the embodiments herein can be changed.Above-described embodiment is exemplary, should be using the embodiments herein as the restriction of interest field of the present invention.
Claims (10)
1. a queen post fuse switch, it is characterised in that include base, insulated column and fusion tube；Two described insulated columns it are set side by side with on described base, fixing connection upper static contact assembly on one of them insulated column, the lower static contact component of fixing connection on another one insulated column；The two ends of described fusion tube are separately installed with moving contact component and lower moving contact assembly, and described lower static contact component is flexibly connected with described lower moving contact assembly；Described when described fuse is in "on" position, described upper static contact assembly and the described mutual snapping of upper moving contact component.
2. a kind of queen post fuse switch as claimed in claim 1, it is characterized in that, described upper static contact assembly includes upper bracket, groove fixed plate, side connecting plate, upper quiet side contact, contact stage clip, upper junction plate, upper reinforcing plate, upper static contact and connecting plate assembly；The bottom of described upper bracket is fixed on described insulating support, and described upper bracket upper end is fixed with described groove fixed plate, side connecting plate, upper quiet side contact, upper junction plate and upper reinforcing plate successively, and described quiet side contact is positioned at the inner side of described groove fixed plate；Described quiet side contact is provided with the first groove, and the top of described first groove is connected with described groove fixed plate by described contact stage clip；The bottom of described upper static contact is fixed between described upper reinforcing plate and upper junction plate, and described connecting plate assembly is fixed on the bottom of described upper static contact, and the both sides of described upper static contact are provided with clamping plate；
Described upper moving contact component includes moving contact and pressure releasing cap, described upper moving contact is provided with fixed block and connects assembly and fixed block；Described upper moving contact is fixed on the upper end of described fusion tube, and described pressure releasing cap is fixed on the top of described upper moving contact, and described fixed block connects assembly by described fixed block and is fixed on described upper moving contact；When described fuse is in "on" position, the first groove of described quiet side contact clasps pressure releasing cap, and described upper static contact clasps fixed block.
3. a kind of queen post fuse switch as claimed in claim 2, it is characterised in that described pressure releasing cap is connected by screw thread is fixing with the top of described upper moving contact.
4. a kind of queen post fuse switch as claimed in claim 3, it is characterised in that described upper static contact is nose, and the centre position of described upper static contact both sides clamping plate is provided with the second groove；When described fuse is in "on" position, the second groove on described upper static contact clasps fixed block.
5. a kind of queen post fuse switch as claimed in claim 4, it is characterised in that be fixed with contact shell fragment outside described upper static contact.
6. a kind of queen post fuse switch as claimed in claim 5, it is characterised in that described upper static contact is bolted to connection with described contact shell fragment.
7. a kind of queen post fuse switch as claimed in claim 6, it is characterised in that described lower moving contact assembly includes panel turnover mechanism, lower moving contact and lower moving contact supporter；
Described lower moving contact supporter is fixing with described fusion tube to be connected, described lower moving contact and lower moving contact supporter hinge, described panel turnover mechanism and described lower moving contact hinge；
Described lower static contact component includes lower carriage, lower reinforcing plate, lower patch panel and shell fragment；Described lower carriage is fixing with described insulated column to be connected, and described lower reinforcing plate is fixing with bottom described lower carriage to be connected, and described lower patch panel is fixing with described lower reinforcing plate to be connected, and described shell fragment is fixing with described lower patch panel to be connected；
Described lower moving contact and described lower carriage hinge.
8. a kind of queen post fuse switch as claimed in claim 7, it is characterised in that described panel turnover mechanism includes turnover panel and torsion spring, described turnover panel is fixing with torsion spring to be connected.
9. a kind of queen post fuse switch as claimed in claim 8, it is characterised in that described lower moving contact and lower moving contact supporter are by circular cylinder elastic cotter hinge.
10. a kind of queen post fuse switch as claimed in claim 9, it is characterised in that described panel turnover mechanism and described lower moving contact are by circular cylinder elastic cotter hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610266555.XA CN105845527A (en) | 2016-04-26 | 2016-04-26 | Double-column drop-type fuser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610266555.XA CN105845527A (en) | 2016-04-26 | 2016-04-26 | Double-column drop-type fuser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105845527A true CN105845527A (en) | 2016-08-10 |
Family
ID=56590215
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610266555.XA Pending CN105845527A (en) | 2016-04-26 | 2016-04-26 | Double-column drop-type fuser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105845527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696837A (en) * | 2020-06-17 | 2020-09-22 | 广东电网有限责任公司 | Drop-out fuse connecting structure and drop-out fuse |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965855Y (en) * | 2006-10-30 | 2007-10-24 | 林建伟 | Outdoor AC high voltage jet type fuse |
| CN201478223U (en) * | 2009-09-09 | 2010-05-19 | 中国石油化工集团公司 | Drop-out fuse |
| CN201478233U (en) * | 2009-04-20 | 2010-05-19 | 张敏德 | Automatic current protector |
| CN201708108U (en) * | 2009-12-24 | 2011-01-12 | 苏刚印 | Middle-high voltage falling type fuse |
| CN202549769U (en) * | 2012-03-27 | 2012-11-21 | 吉林市能兴电力设备有限公司 | Drop-out fuse |
| CN203434115U (en) * | 2013-08-06 | 2014-02-12 | 帝凯（厦门）电气有限公司 | Wind power station special-purpose drop-out fuse |
| CN204668271U (en) * | 2015-06-12 | 2015-09-23 | 凤凰科技集团有限公司 | A kind of outdoor double loop fuse switch |
| CN205789852U (en) * | 2016-04-26 | 2016-12-07 | 宁波鹿鼎电子科技有限公司 | A kind of queen post fuse switch |
-
2016
- 2016-04-26 CN CN201610266555.XA patent/CN105845527A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200965855Y (en) * | 2006-10-30 | 2007-10-24 | 林建伟 | Outdoor AC high voltage jet type fuse |
| CN201478233U (en) * | 2009-04-20 | 2010-05-19 | 张敏德 | Automatic current protector |
| CN201478223U (en) * | 2009-09-09 | 2010-05-19 | 中国石油化工集团公司 | Drop-out fuse |
| CN201708108U (en) * | 2009-12-24 | 2011-01-12 | 苏刚印 | Middle-high voltage falling type fuse |
| CN202549769U (en) * | 2012-03-27 | 2012-11-21 | 吉林市能兴电力设备有限公司 | Drop-out fuse |
| CN203434115U (en) * | 2013-08-06 | 2014-02-12 | 帝凯（厦门）电气有限公司 | Wind power station special-purpose drop-out fuse |
| CN204668271U (en) * | 2015-06-12 | 2015-09-23 | 凤凰科技集团有限公司 | A kind of outdoor double loop fuse switch |
| CN205789852U (en) * | 2016-04-26 | 2016-12-07 | 宁波鹿鼎电子科技有限公司 | A kind of queen post fuse switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696837A (en) * | 2020-06-17 | 2020-09-22 | 广东电网有限责任公司 | Drop-out fuse connecting structure and drop-out fuse |
| CN111696837B (en) * | 2020-06-17 | 2022-11-29 | 广东电网有限责任公司 | Drop-out fuse connecting structure and drop-out fuse |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |