CN204332881U - A kind of self-healing fuse - Google Patents
A kind of self-healing fuse Download PDFInfo
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- CN204332881U CN204332881U CN201420802026.3U CN201420802026U CN204332881U CN 204332881 U CN204332881 U CN 204332881U CN 201420802026 U CN201420802026 U CN 201420802026U CN 204332881 U CN204332881 U CN 204332881U
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Abstract
The utility model relates to fuse technologies field, particularly relate to a kind of self-healing fuse, comprise housing, housing both sides are respectively equipped with the first current terminal and the second current terminal, insulating case is provided with in housing, be provided with the first fuse-link and the second fuse-link in insulating case and make insulating case be sealing state, connected by sodium silk between first fuse-link and the second fuse-link, inert gas is filled with in insulating case, first fuse-link connects the first current terminal, second fuse-link connects the second current terminal, compared with prior art, time normal, sodium silk is solid-state, forming circuit path, when being short-circuited or electric current in circuit increases suddenly, sodium silk is vaporized into gas, and circuit disconnects, and inert gas can prevent from receiving silk oxidation or make moist, and increases the service life, when electric current recovers normal, the silk of receiving of vaporization reverts to solid-state automatically, and forming circuit path without the need to changing fuse-link, repeatedly can be recycled, having saved resource, is applicable to large-scale promotion application.
Description
Technical field
The utility model relates to fuse technologies field, particularly relates to a kind of self-healing fuse.
Background technology
Fuse refers to when electric current exceedes setting, with the heat that itself produces, melt is fused, a kind of electrical equipment of open circuit.Fuse is after exceeding setting a period of time according to electric current, makes Melt molten, thus circuit is disconnected with the heat that himself produces; Use a kind of circuit brake that this principle is made.Fuse is widely used in high and low voltage electric distribution system and control system and power consumption equipment, as the protector of short circuit and overcurrent, is apply one of the most general protector.
The melt of existing fuse is once fusing, and the melt that just must more renew, useful life is short, adds cost, and this also brings inconvenience to use, and has delayed power-on time.
Therefore, be badly in need of providing a kind of self-healing fuse, to solve the deficiencies in the prior art.
Summary of the invention
The utility model provides a kind of self-healing fuse for overcoming above-mentioned defect, can reuse repeatedly and without the need to changing melt, can automatically restore after melt fusing.
For achieving the above object, the utility model adopts following technical scheme:
A kind of self-healing fuse, comprise housing, described housing both sides are respectively equipped with the first current terminal and the second current terminal, insulating case is provided with in described housing, be provided with the first fuse-link and the second fuse-link in described insulating case and make described insulating case be sealing state, connected by sodium silk between described first fuse-link and described second fuse-link, inert gas is filled with in described insulating case, described first fuse-link connects described first current terminal, and described second fuse-link connects described second current terminal.
Described insulating case is the hollow structure of both-side opening.
Described insulating case comprises pars intermedia and is located at the first extension and second extension at described pars intermedia two ends, the first extension and described second extension thinner than described pars intermedia.
Described insulating case bonds or is sheathed on the inwall of described housing.
Described inert gas is nitrogen, carbon dioxide, helium, neon or argon gas.
Described housing is ceramic case or plastic casing.
Described first current terminal and the second current terminal are also coated with porcelain core outward.
Described first fuse-link and the second fuse-link are alloy wire.
Described alloy wire is silver-nickel line, monel line, Kufil gold thread or nickeline copper alloy wire.
Described alloy wire is curling shape, linearity or winding shape.
The utility model discloses a kind of self-healing fuse, comprise housing, described housing both sides are respectively equipped with the first current terminal and the second current terminal, insulating case is provided with in described housing, be provided with the first fuse-link and the second fuse-link in described insulating case and make described insulating case be sealing state, connected by sodium silk between described first fuse-link and the second fuse-link, inert gas is filled with in described insulating case, described first fuse-link connects described first current terminal, and described second fuse-link connects described second current terminal.Compared with prior art, self-healing fuse of the present utility model, time normal, sodium silk is solid-state, forming circuit path; When being short-circuited or electric current in circuit increases suddenly, sodium silk is vaporized into gas, and circuit disconnects, and resistance increases, and electric current reduces the effect playing protective device, and inert gas can prevent from receiving silk oxidation or make moist, and increases the service life; When electric current recovers normal, the silk of receiving of vaporization reverts to solid-state automatically, and forming circuit path without the need to changing fuse-link, repeatedly can be recycled, having saved resource, having reduced production cost, is applicable to large-scale promotion application.
Accompanying drawing explanation
With accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is the structural representation of a kind of self-healing fuse of the present utility model.
Embodiment
Be further described the utility model below in conjunction with drawings and Examples, this is preferred embodiment of the present utility model.
Embodiment 1
As shown in Figure 1, a kind of self-healing fuse, comprises housing 1, and housing 1 is ceramic case, and described housing 1 both sides are respectively equipped with the first current terminal 2 and the second current terminal 3, are provided with insulating case 4 in described housing 1, on the inwall of the sheathed and described housing 1 of described insulating case.Be provided with the first fuse-link 5 and the second fuse-link 6 in described insulating case 4 and make described insulation 4 overlap in sealing state, connected by sodium silk 7 between described first fuse-link 5 and the second fuse-link 6, described first fuse-link 5 and the second fuse-link 6 are alloy wire, described alloy wire is silver-nickel line, described alloy wire is curling shape, inert gas 8 is filled with in described insulating case 4, described inert gas 8 is nitrogen, described first fuse-link 5 connects described first current terminal 2, and described second fuse-link 6 connects described second current terminal 3.Time normal, sodium silk 7 is solid-state, forming circuit path; When being short-circuited or electric current in circuit increases suddenly, sodium silk 7 is vaporized into gas, and circuit disconnects, and resistance increases, and electric current reduces the effect playing protective device, and inert gas can prevent from receiving silk 7 and is oxidized or makes moist, and increases the service life; When electric current recovers normal, the silk of receiving of vaporization reverts to solid-state automatically, and forming circuit path without the need to changing fuse-link, repeatedly can be recycled, having saved resource, having reduced production cost, is applicable to large-scale promotion application.
Described insulating case 4 is the hollow structure of both-side opening.Described insulating case 4 comprises pars intermedia 41 and is located at first extension 42 at described pars intermedia 41 two ends and the second extension 43, first extension 42 and described second extension 43 thinner than described pars intermedia 41.Described first fuse-link 5 and the second fuse-link 6 stretch in the first extension 42 and the second extension 43 respectively, and make insulating case 4 in sealing state, inert gas just can not be overflowed, and ensure that sodium silk can not be oxidized or make moist, increase the service life.
Porcelain core 9 and 10 is also coated with outside described first current terminal 2 and the second current terminal 3.Porcelain core 9 and 10 usually uses beryllium oxide to make for material, and beryllium oxide has high heat conduction and low dielectric constant, described first current terminal 2 and the second current terminal 3 can be made to bear and greatly flow, and can not gather too many heat simultaneously, prevent electrical appliance from damaging.
Embodiment 2
As shown in Figure 1, a kind of self-healing fuse, comprises housing 1, and housing 1 is plastic casing, and described housing 1 both sides are respectively equipped with the first current terminal 2 and the second current terminal 3, and be provided with insulating case 4 in described housing 1, described insulating case is bonded on the inwall of described housing 1.Be provided with the first fuse-link 5 and the second fuse-link 6 in described insulating case 4 and make described insulation 4 overlap in sealing state, connected by sodium silk 7 between described first fuse-link 5 and the second fuse-link 6, described first fuse-link 5 and the second fuse-link 6 are alloy wire, described alloy wire is monel line, Kufil gold thread or nickeline copper alloy wire, certainly, according to actual needs, other alloy wire can also be adopted.Described alloy wire is linearly or be wound around shape, and be filled with inert gas 8 in described insulating case 4, described inert gas 8 is carbon dioxide, helium, neon or argon gas.Described first fuse-link 5 connects described first current terminal 2, and described second fuse-link 6 connects described second current terminal 3.Time normal, sodium silk 7 is solid-state, forming circuit path; When being short-circuited or electric current in circuit increases suddenly, sodium silk 7 is vaporized into gas, and circuit disconnects, and resistance increases, and electric current reduces the effect playing protective device, and inert gas can prevent from receiving silk 7 and is oxidized or makes moist, and increases the service life; When electric current recovers normal, the silk of receiving of vaporization reverts to solid-state automatically, and forming circuit path without the need to changing fuse-link, repeatedly can be recycled, having saved resource, having reduced production cost, is applicable to large-scale promotion application.
Described insulating case 4 is the hollow structure of both-side opening.Described insulating case 4 comprises pars intermedia 41 and is located at first extension 42 at described pars intermedia 41 two ends and the second extension 43, first extension 42 and described second extension 43 thinner than described pars intermedia 41.Described first fuse-link 5 and the second fuse-link 6 stretch in the first extension 42 and the second extension 43 respectively, and make insulating case 4 in sealing state, inert gas just can not be overflowed, and ensure that sodium silk can not be oxidized or make moist, increase the service life.
Porcelain core 9 and 10 is also coated with outside described first current terminal 2 and the second current terminal 3.Porcelain core 9 and 10 usually uses beryllium oxide to make for material, and beryllium oxide has high heat conduction and low dielectric constant, described first current terminal 2 and the second current terminal 3 can be made to bear and greatly flow, and can not gather too many heat simultaneously, prevent electrical appliance from damaging.
Compared with prior art, self-healing fuse of the present utility model, time normal, sodium silk is solid-state, forming circuit path; When being short-circuited or electric current in circuit increases suddenly, sodium silk is vaporized into gas, and circuit disconnects, and resistance increases, and electric current reduces the effect playing protective device, and inert gas can prevent from receiving silk oxidation or make moist, and increases the service life; When electric current recovers normal, the silk of receiving of vaporization reverts to solid-state automatically, and forming circuit path without the need to changing fuse-link, repeatedly can be recycled, having saved resource, having reduced production cost, is applicable to large-scale promotion application.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not the restriction to the utility model protection range; although done to explain to the utility model with reference to better embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical solution of the utility model or equivalent replacement, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. a self-healing fuse, comprise housing, it is characterized in that: described housing both sides are respectively equipped with the first current terminal and the second current terminal, insulating case is provided with in described housing, be provided with the first fuse-link and the second fuse-link in described insulating case and make described insulating case be sealing state, connected by sodium silk between described first fuse-link and described second fuse-link, inert gas is filled with in described insulating case, described first fuse-link connects described first current terminal, and described second fuse-link connects described second current terminal.
2. self-healing fuse according to claim 1, is characterized in that: described insulating case is the hollow structure of both-side opening.
3. self-healing fuse according to claim 2, is characterized in that: described insulating case comprises pars intermedia and is located at the first extension and second extension at described pars intermedia two ends, the first extension and described second extension thinner than described pars intermedia.
4. self-healing fuse according to claim 1, is characterized in that: described insulating case bonds or is sheathed on the inwall of described housing.
5. self-healing fuse according to claim 1, is characterized in that: described inert gas is nitrogen, carbon dioxide, helium, neon or argon gas.
6. self-healing fuse according to claim 1, is characterized in that: described housing is ceramic case or plastic casing.
7. self-healing fuse according to claim 1, is characterized in that: described first current terminal and the second current terminal are also coated with porcelain core outward.
8. self-healing fuse according to claim 1, is characterized in that: described first fuse-link and the second fuse-link are alloy wire.
9. self-healing fuse according to claim 8, is characterized in that: described alloy wire is silver-nickel line, monel line, Kufil gold thread or nickeline copper alloy wire.
10. self-healing fuse according to claim 8 or claim 9, is characterized in that: described alloy wire is curling shape, linearity or be wound around shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802026.3U CN204332881U (en) | 2014-12-16 | 2014-12-16 | A kind of self-healing fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420802026.3U CN204332881U (en) | 2014-12-16 | 2014-12-16 | A kind of self-healing fuse |
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| Publication Number | Publication Date |
|---|---|
| CN204332881U true CN204332881U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420802026.3U Active CN204332881U (en) | 2014-12-16 | 2014-12-16 | A kind of self-healing fuse |
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| CN (1) | CN204332881U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110727A (en) * | 2016-11-24 | 2018-06-01 | 天津光明科技有限公司 | A kind of blown fuse self-healing module |
| CN111129977A (en) * | 2020-01-22 | 2020-05-08 | 赵勇 | Movable switch cabinet |
-
2014
- 2014-12-16 CN CN201420802026.3U patent/CN204332881U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108110727A (en) * | 2016-11-24 | 2018-06-01 | 天津光明科技有限公司 | A kind of blown fuse self-healing module |
| CN111129977A (en) * | 2020-01-22 | 2020-05-08 | 赵勇 | Movable switch cabinet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |