CN102122595A - Arc extinguisher for fuse - Google Patents
Arc extinguisher for fuse Download PDFInfo
- Publication number
- CN102122595A CN102122595A CN201010000537XA CN201010000537A CN102122595A CN 102122595 A CN102122595 A CN 102122595A CN 201010000537X A CN201010000537X A CN 201010000537XA CN 201010000537 A CN201010000537 A CN 201010000537A CN 102122595 A CN102122595 A CN 102122595A
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- CN
- China
- Prior art keywords
- chlorate
- arc
- fuse
- sio2
- electric arc
- 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.)
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Abstract
The invention provides an arc extinguisher for a fuse, comprising SiO2 and chlorate, wherein the percentage by weight of the chlorate is not more than 20%. The arc extinguisher for the fuse has the effects that: besides the SiO2, the chlorate which mainly comprises sodium chloride, potassium chloride, calcium chloride, barium chloride and the like or any one thereof is added in the arc extinguisher, wherein the percentage by weight of the SiO2 is not less than 80% so that the SiO2 can instantaneously absorb the heat of an electric arc when the electric arc is generated and the ions generated by the electric arc are prevented from being discharged under high temperature condition; the chlorate can be decomposed due to the high temperature of the electric arc and absorbs the heat of the electric arc so that the destructive effect of the electric arc is further reduced; furthermore, the chlorate can generate chloride ions after being decomposed and the chloride ions have good arc extinguishing effect when the electric arc is neutralized to generate ions so that the fuse using the arc extinguisher can satisfy the demand of a test of 250A breaking capability and even the demand of short-circuit protection of circuits.
Description
[technical field]
The present invention relates to a kind of arc quenching agent, refer in particular to a kind of arc quenching agent that is applicable to fuse.
[background technology]
Existing fuse, the less microfuze of volume particularly, excessive or short circuit disconnects moment when fault current, the powerful electric arc of meeting produce power on it, when not being provided with arc quenching agent in it, fuse can burn even produce the danger of blast, gently then burns other valuable elements in the circuit, and is heavy what for to can be because of electric arc the ignite breaking out of fire or the danger of hurting sb.'s feelings.Therefore portioned product has begun additionally to add arc quenching agent and has produced the harm that electric arc was brought when avoiding the excessive disconnection protection of possible electric current in existing this type of microfuze.And existing arc quenching agent only adopts single SiO2 (quartz sand) mostly, and its arc quenching effect can only satisfy makes microfuze pass through to require maximum 63A breaking capacity test in the IEC60127 standard, can't satisfy the industry requirement that is showing improvement or progress day by day.
[summary of the invention]
The objective of the invention is to overcome above-mentioned defective, a kind of arc quenching agent that is used for fuse with better arc quenching effect is provided.
The object of the present invention is achieved like this: a kind of arc quenching agent that is used for fuse, and its improvements are: it contains SiO2 and chlorate, and wherein the percentage by weight of chlorate is not higher than 20%; General component and percentage by weight consist of SiO2:80%-95%, chlorate: 5%-20%; Best composition and percentage by weight are formed, SiO2:80%-90%, chlorate: 10%-20%;
In above-mentioned, the granularity of SiO2 and chlorate composition is the 20-100 order; The granularity of preferable SiO2 and chlorate composition is the 40-60 order;
In above-mentioned, described chlorate comprises sodium chloride, potassium chloride, calcium chloride, barium chloride etc. or its any one.
Than common arc quenching agent; beneficial effect of the present invention is also to have added chlorate except SiO2 in arc quenching agent; chlorate mainly comprises sodium chloride; potassium chloride; calcium chloride; barium chloride etc. or its any one; wherein the SiO2 percentage by weight is no less than 80%; but SiO2 moment is drawn the heat of electric arc when electric arc produces thus; avoid ion that electric arc produces because of under the hot conditions by arcing; and chlorate can decompose because of high arc temperature; absorb the electric arc heat simultaneously; further reduce its destruction; can produce chloride ion after chlorate decomposes in addition; chloride ion in and electric arc play good arc quenching effect when producing ion; make to use fuse behind this arc quenching agent can satisfy the demand of 250A breaking capacity test, even the be short-circuited demand of protection of circuit.
[embodiment]
The present invention relates to a kind of arc quenching agent that is used for fuse, it comprises the composition of being made up of SiO2 and chlorate.According to actual experiment, the percentage by weight of SiO2 should not be less than 80%, both desirable percentage by weights are the chlorate that the SiO2 of 80%-95% (weight) cooperates 5%-20% (weight), the most better weight portion percentage value is: SiO280%-90% (weight), chlorate 10%-20% (weight).For guaranteeing the effect of arc quenching agent, the granularity of described SiO2 and chlorate composition is the 20-100 order in addition, and the best is got the 40-60 order.
Because at fuse when particularly microfuze uses, excessive or short circuit disconnects moment when fault current, the powerful electric arc of meeting produce power on it, electric arc can produce moment high temperature, just need arc quenching agent that it is carried out putting out of electric arc this moment, in the present composition, the effect of SiO2 mainly is a heat of moment drawing electric arc, avoid ion that electric arc produces because of under the hot conditions by arcing, and chlorate mainly comprises sodium chloride, potassium chloride, calcium chloride, barium chloride etc. or its any one, when electric arc produces, chlorate can decompose because of high arc temperature, absorbs the electric arc heat simultaneously, further reduces its destruction, can produce chloride ion after chlorate decomposes in addition, chloride ion in and electric arc have good arc quenching effect when producing ion.It is to be noted herein, when chlorate adopts fluoride salt, its in use fluoride salt decompose through high arc temperature, produce fluorine ion, fluorine ion in and electric arc when producing ion, can form the toxic gas of certain peculiar smell, so the application of fluoride salt in this type of arc quenching agent should be comparatively prudent.
Claims (7)
1. arc quenching agent that is used for fuse, it is characterized in that: it contains SiO2 and chlorate, and wherein the percentage by weight of chlorate is not higher than 20%.
2. the arc quenching agent that is used for fuse as claimed in claim 1 is characterized in that: be made of SiO2:80%-95%, chlorate: 5%-20% following component and percentage by weight.
3. the arc quenching agent that is used for fuse as claimed in claim 2 is characterized in that: be made of SiO2:80%-90%, chlorate: 10%-20% following component and percentage by weight.
4. as claim 1 or the 2 or 3 described arc quenching agents that are used for fuse, it is characterized in that: the granularity of described SiO2 and chlorate composition is the 20-100 order.
5. the arc quenching agent that is used for fuse as claimed in claim 4 is characterized in that: the granularity of described SiO2 and chlorate composition is the 40-60 order.
6. the arc quenching agent that is used for fuse as claimed in claim 4 is characterized in that: described chlorate comprises sodium chloride, potassium chloride, calcium chloride, barium chloride etc. or its any one.
7. as claim 1 or 2 or the 3 or 6 described arc quenching agents that are used for fuse, it is characterized in that: described chlorate comprises sodium chloride, potassium chloride, calcium chloride, barium chloride etc. or its any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000537XA CN102122595A (en) | 2010-01-12 | 2010-01-12 | Arc extinguisher for fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010000537XA CN102122595A (en) | 2010-01-12 | 2010-01-12 | Arc extinguisher for fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102122595A true CN102122595A (en) | 2011-07-13 |
Family
ID=44251120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010000537XA Pending CN102122595A (en) | 2010-01-12 | 2010-01-12 | Arc extinguisher for fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102122595A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051150A (en) * | 2013-12-13 | 2014-09-17 | 锦州锦诚电力电容有限公司 | Low voltage dry-type capacitor element with built-in fuse for protection |
| CN105321783A (en) * | 2015-09-18 | 2016-02-10 | 合肥海畅电气技术有限公司 | Arc extinguishing agent for arc extinction cabinet |
| CN113363123A (en) * | 2021-07-20 | 2021-09-07 | 东莞市贝特电子科技股份有限公司 | Composite protector and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3227844A (en) * | 1962-11-13 | 1966-01-04 | Mc Graw Edison Co | Fuse with hydrated arc extinguishing material |
| JPS5385364A (en) * | 1977-01-06 | 1978-07-27 | Mitsubishi Electric Corp | Arc extinguishing material for power fuse |
| GB2069776A (en) * | 1980-02-13 | 1981-08-26 | Tokyo Shibaura Electric Co | Fuse containing boric acid |
| CN1040887A (en) * | 1988-08-29 | 1990-03-28 | 北京电器研究所 | Fuse quartz sand filler |
| JPH10125212A (en) * | 1996-10-24 | 1998-05-15 | S O C Kk | Small fuse |
-
2010
- 2010-01-12 CN CN201010000537XA patent/CN102122595A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3227844A (en) * | 1962-11-13 | 1966-01-04 | Mc Graw Edison Co | Fuse with hydrated arc extinguishing material |
| JPS5385364A (en) * | 1977-01-06 | 1978-07-27 | Mitsubishi Electric Corp | Arc extinguishing material for power fuse |
| GB2069776A (en) * | 1980-02-13 | 1981-08-26 | Tokyo Shibaura Electric Co | Fuse containing boric acid |
| CN1040887A (en) * | 1988-08-29 | 1990-03-28 | 北京电器研究所 | Fuse quartz sand filler |
| JPH10125212A (en) * | 1996-10-24 | 1998-05-15 | S O C Kk | Small fuse |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104051150A (en) * | 2013-12-13 | 2014-09-17 | 锦州锦诚电力电容有限公司 | Low voltage dry-type capacitor element with built-in fuse for protection |
| CN105321783A (en) * | 2015-09-18 | 2016-02-10 | 合肥海畅电气技术有限公司 | Arc extinguishing agent for arc extinction cabinet |
| CN113363123A (en) * | 2021-07-20 | 2021-09-07 | 东莞市贝特电子科技股份有限公司 | Composite protector and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110713 |