CN205452227U - Drop -out fuse - Google Patents
Drop -out fuse Download PDFInfo
- Publication number
- CN205452227U CN205452227U CN201620273170.1U CN201620273170U CN205452227U CN 205452227 U CN205452227 U CN 205452227U CN 201620273170 U CN201620273170 U CN 201620273170U CN 205452227 U CN205452227 U CN 205452227U
- Authority
- CN
- China
- Prior art keywords
- fuse
- conducting strip
- seat
- return spring
- contact
- 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
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model discloses a drop -out fuse, include node hook (1), contact conducting strip (2), fuse (3), spacing piece return spring (4), conducting strip return spring (5), spacing piece (6), ejection mechanism (7), attend mechanism's seat (8), fusing organ pipe (9), lower mechanism seat (10), hanging scroll (11), ejecting spring (12) and base (13). The utility model discloses position suitable for reading at fusing organ pipe (9) has set up ejection mechanism (7) by the spring action, and ejection mechanism (7) push down through the tension of fuse (3), gives spring stored energy. Spacing piece (6) is similar to the trigger of gun, and cooperation contact conducting strip (2), spacing piece return spring (4), conducting strip return spring (5) make fuse fusion tube (9) locking and release. The utility model discloses the mechanism is simple, spacing accuracy, and the contact is reliable, and the fuse of having avoided misoperation or accidental falls to cause damages, can quick disengagement failure point equipment.
Description
Technical field
This utility model relates to a kind of power supply unit.
Background technology
Fuse switch, is to be applied to 35,10 kilovolts of power systems as Smaller load electric equipment protection, a kind of electrical equipment of isolation.
As it is shown in figure 1, there is following defect in existing 10 kilovolts of fuse switches.
First, 10 kilovolts of fuse switches rely on the tension-stretched conducting strip mechanism of 10 kilovolts of fuses, are stuck in by fusion tube in the conduction static contact mechanism of fuse base, fuse failure, and conducting strip loses tension force, and fusion tube falls.Because fuse is the most fragile, accidentally drop and broke when breaking when easily causing operation or mount fusion tube.It is true that this probability is the highest in practical operation, even if skilled worker the probability of this phenomenon occurs also more than 20%.
Secondly, during blown fuse, fusion tube only falls by own wt, and speed is relatively slow, is unfavorable for isolated fault equipment as early as possible.Sometimes due to the reasons such as setting angle is undesirable, corrosion cause the phenomenon that can not fall.This phenomenon relatively mostly occurs.
Utility model content
For solving above-mentioned technical problem, this utility model provides a kind of fuse switch, especially a kind of 10 kilovolts of fuse switches.
To achieve these goals, this utility model adopts the following technical scheme that.
Fuse switch, including node hook, contact conducting strip, fuse, banking stop return spring, conducting strip return spring, banking stop, ejecting mechanism, upper mechanism seat, fuse pipe, lower mechanism seat, hanging scroll, ejector spring and base.
Node hook is fixed on one end of contact conducting strip.
Contact conducting strip is fixed on upper mechanism seat by the first axle and conducting strip return spring, and contact conducting strip can rotate along the first axle, and the other end of contact conducting strip is provided with the first fixture block.
Banking stop is fixed on upper mechanism seat by the second axle and banking stop return spring, and banking stop can rotate along the second axle, and one end of banking stop is provided with the second fixture block.
The first fixture block under conducting strip return spring effect, engages with the second fixture block under banking stop return spring effect.
The lower section of banking stop is provided with ejecting mechanism, and ejecting mechanism is connected with one end of the fuse in fuse pipe by ejector spring, and fuse pipe connects mechanism's seat and lower mechanism seat respectively, and hanging scroll is arranged on lower mechanism seat.
Node hook and hanging scroll are connected with base respectively.
Fuse, ejecting mechanism, upper mechanism seat, electroconductive elastic sheet and contact conducting strip constitute conductive channel.
As further improvement of the utility model, described ejecting mechanism includes ejecting cap, ejects cap and is fixed on upper mechanism seat by stop collar.
Stop collar is externally provided with conductive bumps, and conductive bumps touches with upper mechanism seated connection.
Described ejecting mechanism also includes tarpaulin, and tarpaulin is arranged on the top ejecting cap.
The diameter of described tarpaulin is more than the diameter of stop collar.
One end of electroconductive elastic sheet is fixed on mechanism's seat, the other end of electroconductive elastic sheet and the contact of the first fixture block.
The other end of fuse is bolted on lower mechanism seat.
Further, described base, including static contact, insulating base, fixing device, lower axial trough and lower carriage；Static contact and lower carriage are separately positioned on the two ends of insulating base, and fixing device is arranged on the middle part of insulating base, and lower axial trough is fixed on lower carriage, and static contact tangles node hook, and lower axial trough is used for accommodating hanging scroll.
Described contact conducting strip is fine copper part.
Fuse switch of the present utility model, at the position of upper of fuse pipe, is provided with by the ejecting mechanism of spring effect, and ejecting mechanism is by pressing, to spring energy-storage under the tension force of fuse.
Banking stop is similar to the trigger of gun, coordinates contact conducting strip, banking stop return spring, conducting strip return spring, makes the locking of fuse fusion tube and release.
During use, pull contact conducting strip, banking stop eject stuck, the most just can be articulated on base, close and can connect circuit.
During fuse failure, fuse tension force loses, under the effect of ejector spring, ejecting mechanism ejects, and pushes banking stop, and banking stop loses the position-limiting action to contact conducting strip, contact conducting strip quickly rebounds under the effect of conducting strip spring, the static contact that disengaging is charged rapidly, thus isolated fault equipment.
The contact conducting strip of existing equipment is directly to hold by fuse, fixes by fuse tension force, has once exceeded the ability to bear of fuse, and fuse will disconnect because of mechanical force, drops, switching force is crossed metropolis and caused this consequence.This utility model leans on banking stop supports contacts conducting strip, even if contact conducting strip stress is relatively big, also will not damage fuse.Contact conducting strip is fine copper part, the most also will not damage.
The beneficial effects of the utility model include following aspects.
1, using trigger-type structure, it is simple that replacing fuse etc. operates relatively traditional product, and spacing accurately contact is reliable, is not easily formed bad contact.
2, avoid misoperation or the unexpected fuse caused that falls damages.
3, fast shut-off trouble point equipment, it is to avoid the generation of bigger electric arc.
4, structure is ingenious, and mechanism is simple, and the cost of increase is few.
Certainly, implement arbitrary product of the present utility model to it is not absolutely required to reach all the above advantage simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing fuse switch.
Fig. 2 is overall structure schematic diagram of the present utility model (not containing base).
Fig. 3 is the structural representation of fuse pipe above section in Fig. 2.
Fig. 4 be in Fig. 2 fuse pipe with the structural representation of lower part.
Fig. 5 is ejecting mechanism structural representation.
Fig. 6 is understructure schematic diagram.
Wherein, 1, node hook；2, contact conducting strip；3, fuse；4, banking stop return spring；5, conducting strip return spring；6, banking stop；7, ejecting mechanism；8, upper mechanism seat；9, fuse pipe；10, lower mechanism seat；11, hanging scroll；12, ejector spring；13, base；14, bolt；15, electroconductive elastic sheet.
21, the first axle；22, the first fixture block.
61, the second axle；62, the second fixture block.
71, cap is ejected；72, stop collar；73, tarpaulin；74, conductive bumps
131, static contact；132, insulating base；133, fixing device；134, lower axial trough；135, lower carriage.
Detailed description of the invention
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 2-Fig. 6, fuse switch, including node hook 1, contact conducting strip 2, fuse 3, banking stop return spring 4, conducting strip return spring 5, banking stop 6, ejecting mechanism 7, upper mechanism seat 8, fuse pipe 9, lower mechanism seat 10, hanging scroll 11, ejector spring 12 and base 13.
Node hook 1 is fixed on one end of contact conducting strip 2.
Contact conducting strip 2 is fixed on mechanism's seat 8 by the first axle 21 and conducting strip return spring 5, and contact conducting strip 2 can rotate along the first axle 21, and the other end of contact conducting strip 2 is provided with the first fixture block 22.
Banking stop 6 is fixed on mechanism's seat 8 by the second axle 61 and banking stop return spring 4, and banking stop 6 can rotate along the second axle 61, and one end of banking stop 6 is provided with the second fixture block 62.
The first fixture block 22 under conducting strip return spring 5 acts on, engages with the second fixture block 62 under acting at banking stop return spring 4.
The lower section of banking stop 6 is provided with ejecting mechanism 7, and ejecting mechanism 7 includes ejecting cap 71, stop collar 72 and tarpaulin 73, ejects cap 71 and is fixed on mechanism's seat 8 by stop collar 72, and tarpaulin 73 is arranged on the top ejecting cap 71.
Ejecting cap 71 to be connected with one end of the fuse 3 in fuse pipe 9 by ejector spring 12, fuse pipe 9 connects mechanism's seat 8 and lower mechanism seat 10 respectively, and hanging scroll 11 is arranged on lower mechanism seat 10.
Stop collar 72 is externally provided with conductive bumps 74, and conductive bumps 74 contacts with upper mechanism seat 8.
One end of electroconductive elastic sheet 15 is fixed on mechanism's seat, and the other end and first fixture block 22 of electroconductive elastic sheet 15 contact.
Fuse 3, conductive bumps 74, upper mechanism seat 8, electroconductive elastic sheet 15 and the first fixture block 22 constitute conductive channel.
The other end of fuse 3 is fixed on lower mechanism seat 10 by bolt 14.
Node hook 1 and hanging scroll 11 are connected with base 13 respectively.
Described base 13, including static contact 131, insulating base 132, fixing device 133, lower axial trough 134 and lower carriage 135；Static contact 131 and lower carriage 135 are separately positioned on the two ends of insulating base 132, and fixing device 133 is arranged on the middle part of insulating base 132, and lower axial trough 134 is fixed on lower carriage 135, and static contact 131 tangles node hook 1, and lower axial trough 134 is used for accommodating hanging scroll 11.
When the present embodiment uses, pull contact conducting strip 2, banking stop 6 eject stuck, the most just can be articulated on base 13, close and can connect circuit.
When fuse 3 fuses, fuse 3 tension force loses, under the effect of ejector spring 12, ejecting mechanism 7 ejects, pushing banking stop 6, banking stop 6 loses the position-limiting action to contact conducting strip 2, and contact conducting strip 2 quickly rebounds under the effect of conducting strip spring 5, the static contact 131 that disengaging is charged rapidly, thus isolated fault equipment.
Although detailed description of the invention of the present utility model is described by the above-mentioned accompanying drawing that combines; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not to pay various amendments or deformation that creative work can make still within protection domain of the present utility model.
Claims (9)
1. fuse switch, it is characterized in that, including node hook (1), contact conducting strip (2), fuse (3), banking stop return spring (4), conducting strip return spring (5), banking stop (6), ejecting mechanism (7), upper mechanism seat (8), fuse pipe (9), lower mechanism seat (10), hanging scroll (11), ejector spring (12) and base (13)；Node hook (1) is fixed on one end of contact conducting strip (2)；Contact conducting strip (2) is fixed on mechanism's seat (8) by the first axle (21) and conducting strip return spring (5), and contact conducting strip (2) can rotate along the first axle (21), and the other end of contact conducting strip (2) is provided with the first fixture block (22)；Banking stop (6) is fixed on mechanism's seat (8) by the second axle (61) and banking stop return spring (4), and banking stop (6) can rotate along the second axle (61), and one end of banking stop (6) is provided with the second fixture block (62)；The first fixture block (22) under conducting strip return spring (5) acts on, engages with the second fixture block (62) under acting at banking stop return spring (4)；The lower section of banking stop (6) is provided with ejecting mechanism (7), ejecting mechanism (7) is connected with one end of the fuse (3) in fuse pipe (9) by ejector spring (12), fuse pipe (9) connects mechanism's seat (8) and lower mechanism seat (10) respectively, and hanging scroll (11) is arranged in lower mechanism seat (10)；Node hook (1) and hanging scroll (11) are connected with base (13) respectively；Fuse (3), ejecting mechanism (7), upper mechanism seat (8), electroconductive elastic sheet (15) and contact conducting strip (2) constitute conductive channel.
2. fuse switch as claimed in claim 1, is characterized in that, described ejecting mechanism (7) includes ejecting cap (71), ejects cap (71) and is fixed on mechanism's seat (8) by stop collar (72).
3. fuse switch as claimed in claim 2, is characterized in that, stop collar (72) is externally provided with conductive bumps (74), and conductive bumps (74) contacts with upper mechanism seat (8).
4. fuse switch as claimed in claim 2, is characterized in that, described ejecting mechanism (7) also includes that tarpaulin (73), tarpaulin (73) are arranged on the top ejecting cap (71).
5. fuse switch as claimed in claim 4, is characterized in that, the diameter of described tarpaulin (73) is more than the diameter of stop collar (72).
6. fuse switch as claimed in claim 1, is characterized in that, one end of electroconductive elastic sheet (15) is fixed on mechanism's seat, the other end of electroconductive elastic sheet (15) and the first fixture block (22) contact.
7. fuse switch as claimed in claim 1, is characterized in that, the other end of fuse (3) is fixed in lower mechanism seat (10) by bolt (14).
8. fuse switch as claimed in claim 1, is characterized in that, described base (13), including static contact (131), insulating base (132), fixing device (133), lower axial trough (134) and lower carriage (135)；Static contact (131) and lower carriage (135) are separately positioned on the two ends of insulating base (132), fixing device (133) is arranged on the middle part of insulating base (132), lower axial trough (134) is fixed on lower carriage (135), static contact (131) tangles node hook (1), and lower axial trough (134) is used for accommodating hanging scroll (11).
9. fuse switch as claimed in claim 1, is characterized in that, described contact conducting strip (2) is fine copper part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273170.1U CN205452227U (en) | 2016-04-05 | 2016-04-05 | Drop -out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620273170.1U CN205452227U (en) | 2016-04-05 | 2016-04-05 | Drop -out fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205452227U true CN205452227U (en) | 2016-08-10 |
Family
ID=56606251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620273170.1U Expired - Fee Related CN205452227U (en) | 2016-04-05 | 2016-04-05 | Drop -out fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205452227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632852A (en) * | 2016-04-05 | 2016-06-01 | 国网山东省电力公司聊城供电公司 | Drop-type fuse |
-
2016
- 2016-04-05 CN CN201620273170.1U patent/CN205452227U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632852A (en) * | 2016-04-05 | 2016-06-01 | 国网山东省电力公司聊城供电公司 | Drop-type fuse |
| CN105632852B (en) * | 2016-04-05 | 2017-06-27 | 国网山东省电力公司聊城供电公司 | Fuse switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205452227U (en) | Drop -out fuse | |
| CN204407283U (en) | A kind of fuse switch | |
| CN102916419B (en) | There is the power source surge protector from arc breaking device and guard method thereof | |
| CN102789933B (en) | Outdoor ac high voltage drop fuse | |
| CN203983209U (en) | For the contact arm of switching device and the circuit breaker that comprises this contact arm | |
| CN201655694U (en) | Contact system with short circuit protection function | |
| CN105632852B (en) | Fuse switch | |
| CN201465950U (en) | Fuse carrier used for drop-out fuse | |
| CN105957784A (en) | Fusing mechanism and split type drop fuse | |
| CN201134401Y (en) | Temporary substituting device of outdoor high-voltage drop type fuse | |
| CN105449413A (en) | Telescopic contact | |
| CN106611685A (en) | A high-pressure voltage-drop type fuse arranged in parallel | |
| CN201252066Y (en) | 24 kV outdoor high-voltage alternating current injection falling type fuse | |
| CN103681150B (en) | Upper contact base of drop-out fuse | |
| CN205104466U (en) | Parallel arrangement's high -tension drop type fuse | |
| CN205104467U (en) | High -voltage -dropout -type fuse cutout | |
| CN101937807B (en) | Fuse holder for dropping type fuse | |
| CN205881851U (en) | Fuse mechanism and split type drop out fuse | |
| CN203631469U (en) | Upper contact seat of drop-type fuse | |
| US20180158638A1 (en) | Circuit Breaker | |
| CN101916994B (en) | Large through-flow frequency division and current-distribution type separator | |
| CN213279157U (en) | Surge protection device and block terminal containing Y type voltage-sensitive chip | |
| CN201887001U (en) | Drop-out fuse | |
| CN201859719U (en) | Large current disconnector for supervoltage lightning arrester | |
| CN102801136A (en) | Surge protection device capable of secondarily tripping |
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 |
Granted publication date: 20160810 Termination date: 20170405 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |