CN103681155B - A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator - Google Patents
A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator Download PDFInfo
- Publication number
- CN103681155B CN103681155B CN201310716730.7A CN201310716730A CN103681155B CN 103681155 B CN103681155 B CN 103681155B CN 201310716730 A CN201310716730 A CN 201310716730A CN 103681155 B CN103681155 B CN 103681155B
- Authority
- CN
- China
- Prior art keywords
- arc
- fuse
- porcelain insulator
- silicon rubber
- tydrop
- 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
Abstract
The invention discloses a kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator, aim to provide a kind of arc quenching effect good, structure is simple, the fuse switch of easy maintenance, it comprises porcelain insulator, porcelain insulator top is connected with support plate by upper installation steel pin, bottom is connected with lower carriage by lower installation steel pin, centre is provided with middle installation steel pin, lower carriage is connected with fusion tube, fusion tube is provided with pressed on ring, support plate has the arc-control device be connected with pressed on ring, one end of arc-control device is connected with fixed head, the other end of fixed head is connected with support plate, arc-control device comprises shell, spring, contact, quartz sand lump and fuse, spring one end shell is fixedly connected with, the other end is connected with the head of contact, afterbody and the shell rivet of contact are fixed, quartz sand lump is embedded on the sidewall of shell, quartz sand lump center is provided with fuse, fuse one end is connected with fixed head.The present invention adopts the design of fast arc extinction, can be good at avoiding fusion tube to produce the problem of electric arc.
Description
Technical field
The present invention relates to a kind of fuse, specifically, relate to a kind of fuse switch with extinguish fast fuse electrical arc function.
Background technology
Fuse is a kind of overcurrent protective device.Fuse is primarily of melt and fusion tube and the outer part composition such as filled.During use, be series at by fuse in protected circuit, when the electric current of protected circuit exceedes setting, and after certain hour, the heat fusing melt produced by melt self, makes circuit disconnect, thus plays the effect of protection.The electrical equipment of deenergizing is divided using metallic conductor as melt; be series in circuit; when transshipping or short circuit current passes through melt, heating self fuses by melt, thus all serves certain protective effect to electric power system, various electrical equipment and household electrical appliance.Have inverse time lag characteristic, when overload current hour, fusing time is long; When overload current is large, fusing time is short.Therefore, within the scope of certain overload current, recover normal to electric current, fuse can not fuse, and can continue to use.
But in the application of reality, when there is overload or short circuit, can produce larger electric arc during fuse failure, the burning of electric arc causes negative impact simultaneously can damage equipment on Circuits System.Therefore, the Main way that the fuse avoiding the arcing time long becomes research and development how is designed.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide that a kind of arc quenching effect is good, structure is simple, the fuse switch of easy maintenance.
For achieving the above object, the present invention is achieved by the following scheme:
A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator, comprise porcelain insulator, described porcelain insulator adopts silicon rubber material to make, described porcelain insulator top is connected with support plate by upper installation steel pin, bottom is connected with lower carriage by lower installation steel pin, centre is provided with middle installation steel pin, described lower carriage is connected with fusion tube, described fusion tube is provided with pressed on ring, described support plate has the arc-control device be connected with pressed on ring, one end of described arc-control device is connected with fixed head, and the other end of described fixed head is connected with support plate.
Described arc-control device comprises shell, spring, contact, quartzy sand lump and fuse, described spring one end shell is fixedly connected with, the other end is connected with the head of contact, afterbody and the shell rivet of described contact are fixed, described quartzy sand lump is embedded on the sidewall of shell, described quartzy sand lump center is provided with fuse, and described fuse one end is connected with fixed head.
Described quartzy sand lump is fixed fuse place radial direction and is provided with narrow slit.
Described narrow slit is rectangle, and direction is parallel with the axis of fuse.
An accelerator is also provided with, one end of described accelerator and upper loop contacts in described arc-control device.
Described accelerator is spring or U-shaped spring, and one end of its other end and fixed head is fixed by screw.
Shuo Liang≤1 of described narrow slit, circumferentially uniform.
Operation principle of the present invention: during combined floodgate, the pressed on ring of fusion tube and fuse are connected, accelerator is in compressed energy-storage state, but under the effect of electric current, counteract the compression energy of potential energy that fusion tube falls and accelerator, but fusion tube maintains balance under the effect of electric energy, with fuse continuous contact, fusion tube is in poised state, when there is overload current or short circuit current in Circuits System, fuse starts fusing, the electric arc produced during fusing occurs in the narrow slit in quartzy sand lump radial direction, the steam that electric arc produces infiltrates in quartz sand, strongly dissociated, electric arc is extinguished rapidly, reach the effect of fast arc extinction, the compression energy release of accelerator simultaneously, promote fusion tube and be rapidly to outer motion, the time that pressed on ring and fuse are departed from is shorter, the time producing electric arc is shorter, decrease the generation of electric arc, fusion tube disequilibrium afterwards, start to fall under the effect of potential energy, circuit disjunction, complete open circuit protection process.
Compared with prior art, the present invention has following beneficial effect:
1. arc quenching effect is good.Melt pipe of the present invention is made containing the raw material that quartz sand is higher, radial direction is provided with some rectangle narrow slits, when Circuits System overload or short circuit, the electric arc that fuse produces occurs in narrow slit, and the steam that electric arc produces is dissociated strongly, extinguished rapidly, the compression energy release of accelerator simultaneously, promote fusion tube and be rapidly to outer motion, the time that pressed on ring and fuse are departed from is shorter, the time producing electric arc is shorter, decreases the generation of electric arc.
2. structure is simple, and cost is low.Number of spare parts of the present invention is few, and structure is simple, and cost is low, is conducive to applying.
3. easy maintenance.The present invention uses clamp flange that left and right porcelain insulator is fixedly connected with, and clamp flange makes to be screwed simultaneously, and convenient disassembly, is convenient to outdoor rapid-maintenance.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation adopting the Arc-extinguishing-tydrop-out drop-out fuse of silicon rubber porcelain insulator of the present invention;
Fig. 2 is the A direction view of Fig. 1;
Parts title and sequence number in figure:
Porcelain insulator 1, lower carriage 2, fusion tube 3, pressed on ring 4, arc-control device 5, support plate 6, fixed head 8, middle installation steel pin 9, shell 10, spring 11, contact 12, quartzy sand lump 13, fuse 14.
Embodiment
Below in conjunction with drawings and Examples, a kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator of the present invention is described.
Embodiment 1:
As Fig. 1, shown in Fig. 2, the present invention includes porcelain insulator 1, porcelain insulator 1 adopts silicon rubber material to make, porcelain insulator 1 top is connected with support plate 6 by upper installation steel pin, bottom is connected with lower carriage 2 by lower installation steel pin, centre is provided with middle installation steel pin 9, lower carriage 2 is connected with fusion tube 3, fusion tube 3 is provided with pressed on ring 4, support plate 6 has the arc-control device 5 be connected with pressed on ring 4, one end of arc-control device 5 is connected with fixed head 8, the other end of fixed head 8 is connected with support plate 6, arc-control device 5 comprises shell 10, spring 11, contact 12, quartz sand lump 13 and fuse 14, spring 11 1 end housing 10 is fixedly connected with, the other end is connected with the head of contact 12, afterbody and the shell 10 of contact 12 are fixed with rivet, quartz sand lump 13 is embedded on the sidewall of shell 10, quartz sand lump 13 center is provided with fuse 14, fuse 14 one end is connected with fixed head 8.
In the present embodiment, during combined floodgate, pressed on ring 4 and fuse 14 are connected, under the effect of electric current, counteract the potential energy that fusion tube 3 falls, fusion tube 3 is in the poised state of work, when there is overload current or short circuit current in Circuits System, fuse starts fusing, the electric arc produced during fusing occurs in the narrow slit in quartzy sand lump 13 radial direction, the steam that electric arc produces infiltrates in quartz sand, strongly dissociated, electric arc is extinguished rapidly, reach the effect of fast arc extinction, fusion tube 3 disconnects with fuse 14 and contacting afterwards, fusion tube 3 disequilibrium, start to fall under the effect of potential energy, circuit disjunction, complete open circuit protection process.
Embodiment 2:
Be with the difference of embodiment 1: quartzy sand lump 13 is fixed fuse 14 place radial direction and is provided with narrow slit, the quantity of narrow slit is 1.
In the present embodiment, quartzy sand lump 13 is fixed fuse 14 place radial direction and is provided with narrow slit, and the area that narrow slit absorbs electric arc is larger, and position is more reasonable, and arc quenching effect is better.
Embodiment 3:
Be with the difference of embodiment 2: narrow slit is rectangle, and direction is parallel with the axis of fuse 14.
In the present embodiment, because narrow slit is rectangle, direction is parallel with the axis of fuse 14, so the electric arc of fuse failure more easily occurs in narrow slit, arc quenching effect is better.
Embodiment 4:
Be with the difference of embodiment 3: be also provided with an accelerator 7 in arc-control device 5, one end of accelerator 7 contacts with pressed on ring 4.
In the present embodiment, when closing a floodgate, accelerator 7 is in compressed energy-storage state, but fusion tube 3 maintains balance under the effect of electric energy, with fuse 14 continuous contact, when fuse 14 is because of overload or circuit fusing, the compression energy release of accelerator 7, what promote fusion tube 3 is rapidly to outer motion, and the time that pressed on ring 4 and fuse 14 are departed from is shorter, the time producing electric arc is shorter, decreases the generation of electric arc.
Embodiment 5:
Be with the difference of embodiment 4: accelerator 7 is spring or U-shaped spring, and one end of its other end and fixed head 8 is fixed by screw.
Embodiment 6:
Be with the difference of embodiment 5: the quantity of narrow slit is 2, circumferentially uniform.
In the present embodiment, the quantity of narrow slit is more, and the electric arc of fuse failure more easily occurs in narrow slit, and arc quenching effect is better.
Embodiment 7:
Be with the difference of embodiment 6: the quantity of described narrow slit is 3, circumferentially uniform.
In the present embodiment, the quantity of narrow slit is more, and the electric arc of fuse failure more easily occurs in narrow slit, and arc quenching effect is better.
Embodiment 8:
Be with the difference of embodiment 7: the quantity of described narrow slit is 4, circumferentially uniform.
In the present embodiment, the quantity of narrow slit is more, and the electric arc of fuse failure more easily occurs in narrow slit, and arc quenching effect is better.
Embodiment 9:
Be with the difference of embodiment 8: the quantity of described narrow slit is 5, circumferentially uniform.
In the present embodiment, the quantity of narrow slit is more, and the electric arc of fuse failure more easily occurs in narrow slit, and arc quenching effect is better.
Embodiment 10:
Be with the difference of embodiment 9: the quantity of described narrow slit is 6, circumferentially uniform.
In the present embodiment, the quantity of narrow slit is more, and the electric arc of fuse failure more easily occurs in narrow slit, and arc quenching effect is better.
Claims (6)
1. one kind adopts the Arc-extinguishing-tydrop-out drop-out fuse of silicon rubber porcelain insulator, comprise porcelain insulator (1), described porcelain insulator (1) top is connected with support plate (6) by upper installation steel pin, bottom is connected with lower carriage (2) by lower installation steel pin, centre is provided with middle installation steel pin (9), described lower carriage (2) is connected with fusion tube (3), described fusion tube (3) is provided with pressed on ring (4), it is characterized in that: described porcelain insulator (1) adopts silicon rubber material to make, described support plate (6) has the arc-control device (5) be connected with pressed on ring (4), one end of described arc-control device (5) is connected with fixed head (8), the other end of described fixed head (8) is connected with support plate (6), described arc-control device (5) comprises shell (10), spring (11), contact (12), quartz sand lump (13) and fuse (14), described spring (11) one end is fixedly connected with shell (10), the other end is connected with the head of contact (12), afterbody and the shell (10) of described contact (12) are fixed with rivet, described quartzy sand lump (13) is embedded on the sidewall of shell (10), described quartzy sand lump (13) center is provided with fuse (14), described fuse (14) one end is connected with fixed head (8).
2. the Arc-extinguishing-tydrop-out drop-out fuse of employing silicon rubber porcelain insulator according to claim 1, is characterized in that: described quartzy sand lump (13) fixing fuse (14) place radial direction is provided with narrow slit.
3. the Arc-extinguishing-tydrop-out drop-out fuse of employing silicon rubber porcelain insulator according to claim 2, is characterized in that: described narrow slit is rectangle, and direction is parallel with the axis of fuse (14).
4. the Arc-extinguishing-tydrop-out drop-out fuse of employing silicon rubber porcelain insulator according to claim 3, is characterized in that: be also provided with an accelerator (7) in described arc-control device (5), and one end of described accelerator (7) contacts with pressed on ring (4).
5. the Arc-extinguishing-tydrop-out drop-out fuse of employing silicon rubber porcelain insulator according to claim 4, is characterized in that: described accelerator (7) is for fixing by screw spring or U-shaped spring, one end of its other end and fixed head (8).
6. the Arc-extinguishing-tydrop-out drop-out fuse of employing silicon rubber porcelain insulator according to claim 5, is characterized in that: Shuo Liang≤1 of described narrow slit, circumferentially uniform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310716730.7A CN103681155B (en) | 2013-12-22 | 2013-12-22 | A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310716730.7A CN103681155B (en) | 2013-12-22 | 2013-12-22 | A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103681155A CN103681155A (en) | 2014-03-26 |
| CN103681155B true CN103681155B (en) | 2016-02-03 |
Family
ID=50318384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310716730.7A Expired - Fee Related CN103681155B (en) | 2013-12-22 | 2013-12-22 | A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103681155B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300914A (en) * | 1991-01-23 | 1994-04-05 | Cooper Power Systems, Inc. | Dropout expulsion fuse |
| US5675308A (en) * | 1994-04-07 | 1997-10-07 | S&C Electric Company | Current-limiting fuse and housing arrangement having a seal between an element and housing |
| CN2443483Y (en) * | 2000-11-01 | 2001-08-15 | 王之昌 | AC high-voltage drop fuse |
| CN2924778Y (en) * | 2006-04-25 | 2007-07-18 | 张和生 | Outdoor 12KV high-voltage drop-off sectionalizer |
| CN202003930U (en) * | 2011-02-13 | 2011-10-05 | 吉林市能兴电力设备有限公司 | Novel fuse |
-
2013
- 2013-12-22 CN CN201310716730.7A patent/CN103681155B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300914A (en) * | 1991-01-23 | 1994-04-05 | Cooper Power Systems, Inc. | Dropout expulsion fuse |
| US5675308A (en) * | 1994-04-07 | 1997-10-07 | S&C Electric Company | Current-limiting fuse and housing arrangement having a seal between an element and housing |
| CN2443483Y (en) * | 2000-11-01 | 2001-08-15 | 王之昌 | AC high-voltage drop fuse |
| CN2924778Y (en) * | 2006-04-25 | 2007-07-18 | 张和生 | Outdoor 12KV high-voltage drop-off sectionalizer |
| CN202003930U (en) * | 2011-02-13 | 2011-10-05 | 吉林市能兴电力设备有限公司 | Novel fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103681155A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103745896B (en) | A kind of movable contact system of chopper | |
| CN102789933B (en) | Outdoor ac high voltage drop fuse | |
| CN101888045A (en) | Circuit and method for preventing direct current arc discharge | |
| CN202473807U (en) | Fuse unit structure for fuse | |
| CN103681157B (en) | A kind of Arc-extinguishing-tydrop-out drop-out fuse | |
| CN203983147U (en) | The vacuum interrupter of vacuum circuit-breaker | |
| CN103730301A (en) | Fuse cutout | |
| CN103681155B (en) | A kind of Arc-extinguishing-tydrop-out drop-out fuse adopting silicon rubber porcelain insulator | |
| CN206774477U (en) | A kind of ceramic breaker | |
| CN202712106U (en) | Outdoor alternating-current high-voltage drop-out fuse | |
| CN202957212U (en) | High-voltage drop type fuse with arch-quenching quick-break structure | |
| CN103700553A (en) | Arc-control device applied to drop-out fuse | |
| CN201766190U (en) | Circuit capable of preventing direct current from arc discharge | |
| CN201765985U (en) | Resistor step-down arc-suppression button switch | |
| CN202473806U (en) | Upper structure for fuse protector | |
| CN103730299A (en) | Fuse for protecting solar photovoltaic power generation system | |
| CN203367084U (en) | Disconnector and high voltage switchgear | |
| CN203950770U (en) | Insulating enclosed type fuse fastening assembly | |
| CN205211693U (en) | Warning fuse for power equipment | |
| CN203950776U (en) | J type hook hole insulating enclosed type fuse fastening assembly | |
| CN103681153B (en) | A kind of arc extinguishing type limiting fuse | |
| CN103700551B (en) | A kind of arc extinguishing type limiting fuse that adopts silicon rubber insulation porcelain vase | |
| CN205104467U (en) | High -voltage -dropout -type fuse cutout | |
| CN105225903A (en) | A kind of electric machinery fuse and method of work | |
| CN204332866U (en) | A kind of safety device for high-voltage power equipment being provided with shell fragment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160203 Termination date: 20191222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |