CN203055842U - Fuse with anti-oxidation coating on melt surface - Google Patents
Fuse with anti-oxidation coating on melt surface Download PDFInfo
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- CN203055842U CN203055842U CN 201220543075 CN201220543075U CN203055842U CN 203055842 U CN203055842 U CN 203055842U CN 201220543075 CN201220543075 CN 201220543075 CN 201220543075 U CN201220543075 U CN 201220543075U CN 203055842 U CN203055842 U CN 203055842U
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- fuse
- copper
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- fusion tube
- bath surface
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Abstract
The utility model provides a fuse with an anti-oxidation coating on a melt surface, and relates to a fuse product in the field of circuit security protection. An inorganic protective material containing an arc extinguishing filler and an anti-oxidation component is painted on a copper melt surface of a fuse, so that when the fuse is under normal rated current working condition, since the copper melt is protected by the coating with the arc extinguishing material, the copper melt cannot act with oxygen in air, and a black copper oxide film is no longer produced and the copper material no longer thins. The coating prevents the melt surface of the fuse from oxidation corrosion, maintains stability of the fuse in use, prolongs service life of the fuse, and improves safe reliability of power transmission and distribution lines and electrical facilities.
Description
Technical field
The utility model relates to the fuse products in circuit safety protection field.Be mainly used in preventing the corrosion of fused mass of fuse surface oxidation, keep the stability in use of fuse, prolong the useful life of fuse, improve the security reliability of electric line and electricity consumption facility, also can be used for the protection against oxidation of other electric equipment products electric conductor.
Background technology
Fuse is a kind of being widely used on electric line and the electricity consumption facility; circuit protecting element in order to protection circuit and electricity consumption installation security; its operation principle is to break down when circuit; be formed with overload current or short circuit current; the rated current that has surpassed the fuse regulation; under the effect of the big electric current of fault; the hurried heating of melt; reach its fusion temperature; make the melt fusing, produce electric arc, the arc extinction that will produce when the arc suppression filling in the fuse shell will melt rapidly; the disengagement failure electric current, thus play protective effect to circuit and electricity consumption facility.
At present; the melt material that constitutes fuse has copper material (copper content is at the fine copper more than 99.90%) and silver material (silver content is at the fine silver more than 99.90%) two big classes; in all metal materials; the resistivity minimum of silver, material property is stable, is optimal melt material; but silver belongs to noble metal; output is little, price is high, and the protected object of special requirement only or occasion generally do not adopt.So the copper material that most fuses all adopt resistivity only to be higher than silver is made melt, in the drying at room temperature air ambient, fine copper is oxidation hardly, but when temperature reaches 100 ℃, the copper material surface will with airborne oxygen haptoreaction, generate nonconducting black oxidation copper film, and the rising along with temperature, the oxidation copper film will be accelerated to form and thicken, and copper material is played " oxide etch " effect, makes the melt attenuation of copper material.And fuse is during in normal working conditions by specified operating current; its melt temperature generally maintains 200 ℃～220 ℃ scopes; if fuse is being worked under the hot environment for a long time like this; copper melt attenuation phenomenon is just relatively more serious, directly has influence on protective feature and the function of fuse.Therefore, industry is interior for preventing oxidation, safeguarding that the shortcoming of the measure that the specified function of use of fuse is generally taked and the inconvenience that therefore brings or existence is at present:
1, at surperficial re-plating one deck fine silver of copper material as fine copper melt anti-oxidation protection metal material; it utilizes silver at high temperature to be difficult for the characteristics of oxidation; guarantee the stability of the protective feature of fuse, stop melt and the direct of air to contact, to prevent or to delay the oxidation of melt.
Fine copper electrosilvering industrial professional more intense, complex process, the input expense is big, the cost height, just need on special production line, before the fuse assembling, earlier melt be carried out plating with special electroplating device if adopt this method, then in order to carrying out the assembling of fuse, thereby do not obtain the large tracts of land promotion and application.At present, has only the technology manufacturing of the melt of the fuse of height heating, big current specification just being adopted fine copper bath surface electrosilvering in the industry.
2, when fuse work behind certain hour, it is all changed, with prevent the fusing of fuse under non-fusing condition, cause the supply line that should not take place interrupts or the electricity consumption facility on the disjunction of power supply, bring harmful effect for normal power supply and production, life.
Carry out whole replacing the regularly, increased electric power facility staff's workload on the one hand, also want the scheme of arrangement power failure, give to produce/live and bring certain influence, also caused the waste of resource on the other hand.
Owing to there is above shortcoming; cause the waste of ample resources; also cause the fusing under non-fusing condition because of the melt oxidation attenuation of fuse; make fuse can not normally bring into play its due protective feature; cause supply line the fault that should not take place to occur, cause part electricity consumption facility power to interrupt.
Summary of the invention
In order to overcome above deficiency, the utility model has designed a kind of fox filler (SiO that goes out that contains
2) composition, by active S body, isopropyl alcohol [(CH
3)
2CHOH], sodium metasilicate [Na
2OMSiO
2] wait material by a certain percentage the inorganic protective finish that forms of mixed preparing be coated in copper bath surface; make fuse under normal rated current operating state; because copper melt is subjected to containing the coating protection of fox material of going out; make copper melt can not with the effect of reacting of oxygen in the air; regeneration cupric oxide film not; copper material is attenuation no longer, has kept melt protecting characteristic and stability.
The technical scheme that its technical problem that solves the utility model adopts is:
1, a kind of bath surface has the fuse of inoxidzable coating, be that inoxidzable coating is coated in copper bath surface, interior conductive contact difference riveting is on the both sides of fusion tube, copper melt passes fusion tube and is welded on riveting on the interior conductive contact on fusion tube both sides, bottom on the riveting below fusion tube then, again with the arc-extinguishing medium can in fusion tube, at last with the top cover riveting on fusion tube.
2, described fusion tube comprises square and circle.
3, described copper melt comprises thread and sheet.
4, copper melt comprise sheet porose with atresia.
5, pass fusion tube and be welded in copper melt on the conductive contact, comprise single and monolithic.
6, pass fusion tube and be welded in copper melt on the conductive contact, comprise many and multi-disc.
The beneficial effects of the utility model are:
1, solved existing employing, be the complex process that prevents that the fused mass of fuse oxidation from bringing the fine silver plating at bath surface, the cost height, be difficult for the drawback that large tracts of land is promoted, realized that bath surface is anti-oxidation, prolonged fuse simplification and the cost degradation in useful life, can large tracts of land promote the use of;
2, can improve useful life and the job stability of copper melt fuse, economize on resources, the unnecessary power failure phenomenon that the minimizing electrical power trans mission/distribution system occurs in the normal power supply process and the harmful effect to life/production that brings thus;
3, contain selecting for use of the fox composition material that goes out, when the disjunction fault current occurring, participate in extinguish arcs with the fox filler that goes out, improved the breaking capacity of fuse effectively and played reliable protective effect.
4, protective finish solution can stir formulatedly with common stirred vessel, produces and when using, does not need special equipment, only need be coated in copper bath surface through air dry then can, technology is simple, equipment less investment, efficient height.
5, heat resistance is good; maximum operation (service) temperature can reach 265 ℃; fuse is under normal rated current operating state like this; even inner melt temperature can not destroy protective finish up to 220 ℃ yet; keep melt protecting characteristic and stability, produced harmful effect can for the protective feature of fuse.
6, owing to adopted copper bath surface protective finish, the useful life that can improve fuse.
7, also directly be coated in copper bath surface owing to contain the fox material composition that goes out in the material preparation, when the disjunction fault current, can participate in extinguish arcs with the fox filler that goes out, improved the breaking capacity of fuse effectively and played reliable safeguard protection effect.
In a word; the utility model is owing to the bath surface at fuse has applied the inorganic material that one deck is high temperature resistant, contain the fox composition that goes out; the thermal endurance of its body, ending property of tamper seal can prevent oxidation under the melt high temperature effectively; overcome the fuse of copper melt in normal operation; the drawback of melt oxidation attenuation appears owing to temperature raises; melt oxidation resistance and job stability are significantly improved; prolonged the useful life of fuse; improve the breaking capacity of fuse and played reliable protective effect, safeguarded transmission line power supply stability.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified
Fig. 1 is the utility model product structure outside drawing.
Fig. 2 is the utility model product structure and formation exploded view.
Fig. 3 is the concrete internal structure schematic diagram of implementing of the utility model.
Fig. 4 is the structural representation that the concrete bath surface of implementing of the utility model applies antioxidation coating.
Be the fuse that a kind of bath surface has inoxidzable coating shown in Fig. 1-2, comprise applying antioxidation coating 5, arc-extinguishing medium 6 and the top cover 7 that contains arc extinguishing composition material on bottom 1, interior conductive contact 2, fusion tube 3, melt 4, the melt.
Among Fig. 3,1 is bottom, and 2 is interior conductive contact, and 3 is fusion tube, and 4 is melt, and 5 is the antioxidation coating that contains arc extinguishing composition material that applies on the melt, and 6 is arc-extinguishing medium, and 7 is top cover.The antioxidation coating 5 that contains arc extinguishing composition material is coated in the surface of melt 4, interior conductive contact 2 difference rivetings are on the both sides of fusion tube 3, the melt 4 that has applied the antioxidation coating 5 that contains arc extinguishing composition material passes fusion tube 3 and is welded on riveting on the interior conductive contact 2 on fusion tube 3 both sides, bottom 1 on the riveting below fusion tube 3 then, again with the arc-extinguishing medium can in fusion tube 3, make its enrich, full, at last with top cover 7 rivetings on fusion tube 3, just constituted the fuse finished product.
Among Fig. 4,4 is melt, and 5 for being coated in the antioxidation coating that contains arc extinguishing composition material on the melt.
Embodiment
Bath surface described in the utility model has the fuse of the inoxidzable coating that contains the arc extinguishing composition, according to the above thinking that relates to, is example with Fig. 2 and Fig. 3, can carry out according to the following steps on concrete enforcement:
1, by different electric currents, electric pressure, different disjunction requirement and different environments for use, select fusion tube and the interior conductive contact of different size, shape for use, with interior conductive contact 2 in advance riveting on fusion tube 3.
2, the melt 4 that will select for use by different electric currents, electric pressure, different disjunction requirement and different environments for use, apply the inoxidzable coating 5 that contains the arc extinguishing composition in advance, after treating its bone dry, pass fusion tube 3, tension, and bending is to interior conductive contact 2 outsides, is welded on riveting then on the interior conductive contact 2 on fusion tube 3 both sides.
3, bottom 1 on the riveting below fusion tube 3, again with the arc-extinguishing medium can in fusion tube 3, make its enrich, full.
4, with top cover 7 rivetings on fusion tube 3, must closely cooperate, guarantee machinery and the electric property of product.
As shown in Figure 4; because the skin of melt 4 is coated with the antioxidation coating 5 that contains arc extinguishing composition material; fuse is under normal rated current operating state like this; even inner melt temperature can not destroy protective finish up to 220 ℃ yet; keep melt protecting characteristic and stability, produced harmful effect can for the protective feature of fuse.And in having adopted copper bath surface protective finish, the useful life that can improve fuse.Go out the fox material composition and directly be coated in copper bath surface because anti-oxidation materials contains in preparation simultaneously; when the disjunction fault current; can participate in extinguish arcs with the fox filler that goes out, improve the breaking capacity of fuse effectively and played reliable safeguard protection effect.
Claims (6)
1. a bath surface has the fuse of inoxidzable coating, it is characterized in that: inoxidzable coating is coated in copper bath surface, interior conductive contact difference riveting is on the both sides of fusion tube, copper melt passes fusion tube and is welded on riveting on the interior conductive contact on fusion tube both sides, bottom on the riveting below fusion tube then, again with the arc-extinguishing medium can in fusion tube, at last with the top cover riveting on fusion tube.
2. a kind of bath surface according to claim 1 has the fuse of inoxidzable coating, it is characterized in that: described fusion tube comprises square and circle.
3. a kind of bath surface according to claim 1 has the fuse of inoxidzable coating, it is characterized in that: described copper melt comprises thread and sheet.
4. a kind of bath surface according to claim 3 has the fuse of inoxidzable coating, it is characterized in that: copper melt comprise sheet porose with atresia.
5. a kind of copper bath surface according to claim 1 has the fuse of inoxidzable coating, it is characterized in that: pass fusion tube and be welded in copper melt on the conductive contact, comprise single and monolithic.
6. a kind of copper bath surface according to claim 1 has the fuse of inoxidzable coating, it is characterized in that: pass fusion tube and be welded in copper melt on the conductive contact, comprise many and multi-disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543075 CN203055842U (en) | 2012-10-13 | 2012-10-13 | Fuse with anti-oxidation coating on melt surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543075 CN203055842U (en) | 2012-10-13 | 2012-10-13 | Fuse with anti-oxidation coating on melt surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203055842U true CN203055842U (en) | 2013-07-10 |
Family
ID=48738769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220543075 Expired - Fee Related CN203055842U (en) | 2012-10-13 | 2012-10-13 | Fuse with anti-oxidation coating on melt surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203055842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730298A (en) * | 2012-10-13 | 2014-04-16 | 温州市方为熔断器有限公司 | Fuse with anti-oxidation coating on surface of fuse body |
| CN104377098A (en) * | 2014-12-09 | 2015-02-25 | 浙江银河熔断器有限公司 | Fuse element of photovoltaic fuse |
-
2012
- 2012-10-13 CN CN 201220543075 patent/CN203055842U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103730298A (en) * | 2012-10-13 | 2014-04-16 | 温州市方为熔断器有限公司 | Fuse with anti-oxidation coating on surface of fuse body |
| CN104377098A (en) * | 2014-12-09 | 2015-02-25 | 浙江银河熔断器有限公司 | Fuse element of photovoltaic fuse |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20171013 |