CN2781558Y - Horizontal upside-down mounted fuse for outdoor DC high voltage - Google Patents
Horizontal upside-down mounted fuse for outdoor DC high voltage Download PDFInfo
- Publication number
- CN2781558Y CN2781558Y CN 200520096022 CN200520096022U CN2781558Y CN 2781558 Y CN2781558 Y CN 2781558Y CN 200520096022 CN200520096022 CN 200520096022 CN 200520096022 U CN200520096022 U CN 200520096022U CN 2781558 Y CN2781558 Y CN 2781558Y
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- fuse
- fusion tube
- contact
- outdoor
- inlet wire
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- Expired - Fee Related
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Abstract
The utility model relates to an outdoor AC high-voltage horizontal upside-down fuse, which belongs to the technical field of AC high-voltage fuses. The utility model mainly solves the problem that the existing high-voltage drop type fuse has poor contact of inlet and outlet wire contacts, and a falling mechanism is easy to fail. The utility model is characterized in that the outdoor AC high-voltage horizontal upside-down fuse comprises a fusion tube, fuse wires arranged in the fusion tube, fuse wire connecting conducting wires, an inlet wire contact, an arc extinguishing chamber, an arc contact and an inlet wire connecting plate which are arranged at one end of the fusion tube, an outlet wire contact and an outlet wire connecting plate which are arranged at the other end of the fusion tube, a straight installing plate and two porcelain knobs vertically fixed on the installing plate, wherein the inlet wire connecting plate and the outlet wire connecting plate are respectively fixed on the two porcelain knobs, the other end of the fusion tube is directly fixed on the outlet wire contact and the fuse connecting conducting wires are used for accelerating the separation of springs. The utility model upside-down installing mode that the installing plate is arranged upwards, and the fusion tube is arranged downwards, and the utility model having the characteristics of firm installation, convenient operation and easy use for large and small fuses is mainly used for the fuses at the high-voltage side of an outdoor distributing transformer.
Description
Technical field
The utility model relates to the outdoor AC high-voltage fuse, the horizontal flip-over type fuse of particularly a kind of outdoor AC high-voltage with the cutting load arc-control device.Belong to ac high-voltage fuse technical field.
Background technology
In distribution network, every station power distribution transformer high-voltage side all is equiped with one group of high voltage drop-out type fuse cutout.When fault current occurs, the fuse moment fusing in the high voltage drop-out type fuse cutout, fusion tube falls the disengagement failure electric current, thereby protects operating distribution transformer, power circuit and relevant device.High voltage drop-out type fuse cutout connects lead, inlet wire contact, inlet wire connecting plate, outlet contact and movable device, outlet connecting plate, arc-extinguish chamber and arcing contact, porcelain knob and mounting panel by fusion tube, fuse, fuse and constitutes, and should make fusion tube become 15 degree angles with vertical line during installation.Its weak point one is to be provided with movable device between fusion tube and the outlet contact, can not keep good into and out of the contact of line contact for a long time; The 2nd, because of reasons such as spring mechanical corrosion, bites, effectively disjunction after the blown fuse, electric current forms path by arc quenching plate and continues arcing in fusion tube, causes fusion tube to burn; The 3rd, after falling mechanism was malfunctioning, after the spring corrosion, fuse became flexible the contact loose contact, caused contact discharge scaling loss; The 4th, the arc-extinguish chamber distortion, after the spring corrosion, fuse is loosening to cause contact not in place, makes arc quenching plate pass through load current, causes heating, burns arc-extinguish chamber; The 5th, need on the platform between mobile jib, the secondary bar, operate operation inconvenience.
Summary of the invention
The purpose of this utility model be exactly provide at above-mentioned weak point that the contact of a kind of contact is good, disjunction efficiently and effectively behind the fuse failure, can single pole or operation and easy to operate outdoor AC high-voltage flip-over type fuse on the ground.
Technical solution of the present utility model is: the horizontal flip-over type fuse of a kind of outdoor AC high-voltage, comprise that the ribbon gymnastics work encircles, wins the fusion tube of ring, the fuse that is located in the fusion tube is connected lead with fuse, be located at inlet wire contact, arc-extinguish chamber and arcing contact and the inlet wire terminal block of fusion tube one end, be located at the outlet contact and the outlet terminal block of the fusion tube other end, it is characterized in that: also comprise a straight shape mounting panel and two porcelain knobs that are vertically fixed on this mounting panel; Be separately fixed on these two porcelain knobs into and out of the line connecting plate; The fusion tube other end directly is fixed on the outlet contact, and is provided with fuse connection lead acceleration cut spring.
Fuse described in the utility model technical solution can be arranged on fusion tube one end near the inlet wire contact.
Can be provided with the adjustment spring on the inlet wire contact described in the utility model technical solution.
The utility model is owing to adopt straight shape mounting panel and two porcelain knobs vertical with mounting panel, the inlet wire contact connects with a porcelain knob through the inlet wire connecting plate, the outlet contact connects with another porcelain knob through the outlet connecting plate, the outlet contact is provided with the acceleration cut spring, during installation mounting panel is made progress, fusion tube becomes flip-over type to install and fix downwards, installation is more stable than drop type, firm, like this, when fuse hinders current fusing for some reason, under the effect of quickening cut spring, fuse connects lead is pulled out rapidly, to guarantee effective disjunction.Install because fusion tube is a level, thereby operating personnel can go up operation on the ground or at mobile jib (single lever-type), very convenient.Because fusion tube directly is connected with the outlet contact, has removed the movable device of drop type, adds and on the inlet wire contact, be provided with the adjustment spring, thereby can make into and out of the contact of line contact good.Because fuse is arranged on fusion tube one end near the inlet wire contact, thereby makes arc extinguishing apart from increasing, not scorification pipe, arc extinction performance is strong.Because the inlet wire contact contacts, electric current is not walked from arcing contact, thereby does not burn arc-extinguish chamber.The utility model also has all spendable characteristics of big or small fuse, when having avoided fuse switch to use little fuse, pushes to the deficiency that fusion tube promptly easily makes fuse disconnect.The utility model is mainly used in the fuse of outdoor electricity distribution transformer high-voltage side.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1.It is all corresponding identical in existing fuse switch that inlet wire contact 9, outlet contact 3, fusion tube 6, fuse connect lead 5, arc-extinguish chamber 10 and arcing contact, inlet wire terminal block 13, outlet terminal block 1.Wherein, the contact stem of inlet wire contact 9 is connected with fusion tube 6, and the cassette contact base is fixed on the inlet wire connecting plate 13; The contact base of outlet contact 3 is fixed on the outlet connecting plate 1; Fuse 7 is connected fuse and connects on the lead 5, and the one end compresses with the protective cap of fusion tube 6 left ends, and the other end compresses with nut.Different with existing high voltage drop-out type fuse cutout is, adopts straight shape mounting panel 15, and two porcelain knobs 14 are vertically fixed on the mounting panel 15, is separately fixed on two porcelain knobs 14 into and out of line connecting plate 13,1.Be provided with terminal screw 2 into and out of line connecting plate 13,1.The contact base of inlet wire contact 9 is provided with adjusts spring 11, by adjusting screw 12 regulating spring degrees of tightness so that the propelling of contact stem with advance after good the contact.The contact stem of outlet contact 3 and fusion tube 6 directly are connected by link, have removed the movable device of drop type, make into and out of 9,3 contacts of line contact good.Outlet contact 3 is provided with and quickens cut spring 4, adds whole cut spring 4 and adopts the torsion spring that elastic force is big, actuating rod is long, and be fixed on the spring support.Quicken cut spring 4 and adopt stainless steel springs, to guarantee out of doors and malfunctioning not by corrosion.
During use, with mounting panel 15 upwards, fusion tube 6 becomes flip-over types to be installed on the fixed mount downwards.When safeguarding, the hand-held insulating bar of operating personnel can hook operation ring 8 pulling downwards on ground or single mobile jib, fusion tube 6 can be left behind, and inlet wire contact 9 is separated; Perhaps hook operation ring 8 and upwards push away, inlet wire contact 9 is well contacted.Operate on the ground, electric arc, short circuit in the time of can avoiding on platform operation, transformer catches fire and to operating personnel's injury.After fuse 7 fusing, hook with insulating bar and to win ring 16 and take off replacing and get final product.
Claims (3)
1, the horizontal flip-over type fuse of a kind of outdoor AC high-voltage, comprise ribbon gymnastics work ring (8), win the fusion tube (6) of ring (16), the fuse (7) that is located in the fusion tube (6) is connected lead (5) with fuse, be located at inlet wire contact (9), arc-extinguish chamber (10) and arcing contact and the inlet wire terminal block (13) of fusion tube (6) one ends, be located at the outlet contact (3) and the outlet terminal block (1) of fusion tube (6) other end, it is characterized in that: also comprise a straight shape mounting panel (15) and be vertically fixed on two porcelain knobs (14) on this mounting panel (15); Be separately fixed on these two porcelain knobs (14) into and out of line connecting plate (13,1); Fusion tube (6) other end directly is fixed on the outlet contact (3), and is provided with fuse connection lead acceleration cut spring (4).
2, the horizontal flip-over type fuse of a kind of outdoor AC high-voltage according to claim 1 is characterized in that: described fuse (7) is arranged on fusion tube (6) one ends near inlet wire contact (9).
3, the horizontal flip-over type fuse of a kind of outdoor AC high-voltage according to claim 1 and 2 is characterized in that: described inlet wire contact (9) is provided with adjusts spring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520096022 CN2781558Y (en) | 2005-04-18 | 2005-04-18 | Horizontal upside-down mounted fuse for outdoor DC high voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520096022 CN2781558Y (en) | 2005-04-18 | 2005-04-18 | Horizontal upside-down mounted fuse for outdoor DC high voltage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2781558Y true CN2781558Y (en) | 2006-05-17 |
Family
ID=36762758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520096022 Expired - Fee Related CN2781558Y (en) | 2005-04-18 | 2005-04-18 | Horizontal upside-down mounted fuse for outdoor DC high voltage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2781558Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094017A (en) * | 2013-01-25 | 2013-05-08 | 宁夏发电集团有限责任公司贺兰山风力发电厂 | Device preventing from being blown down by wind for drop-out fuse and drop-out fuse |
| CN105244243A (en) * | 2015-11-05 | 2016-01-13 | 钱勇 | Horizontal drop fuse |
-
2005
- 2005-04-18 CN CN 200520096022 patent/CN2781558Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103094017A (en) * | 2013-01-25 | 2013-05-08 | 宁夏发电集团有限责任公司贺兰山风力发电厂 | Device preventing from being blown down by wind for drop-out fuse and drop-out fuse |
| CN105244243A (en) * | 2015-11-05 | 2016-01-13 | 钱勇 | Horizontal drop fuse |
| CN105244243B (en) * | 2015-11-05 | 2018-02-27 | 国网辽宁省电力有限公司铁岭供电公司 | Horizontal fuse switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060517 Termination date: 20110418 |