CN204204781U - A kind of renewable type fuse - Google Patents
A kind of renewable type fuse Download PDFInfo
- Publication number
- CN204204781U CN204204781U CN201420721000.6U CN201420721000U CN204204781U CN 204204781 U CN204204781 U CN 204204781U CN 201420721000 U CN201420721000 U CN 201420721000U CN 204204781 U CN204204781 U CN 204204781U
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- Prior art keywords
- drainage
- type fuse
- renewable type
- hole
- lead
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- 239000000919 ceramic Substances 0.000 claims abstract description 34
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000011521 glass Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000010445 mica Substances 0.000 claims abstract description 8
- 229910052618 mica group Inorganic materials 0.000 claims abstract description 8
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 229910052571 earthenware Inorganic materials 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 4
- FRWYFWZENXDZMU-UHFFFAOYSA-N 2-iodoquinoline Chemical compound C1=CC=CC2=NC(I)=CC=C21 FRWYFWZENXDZMU-UHFFFAOYSA-N 0.000 claims description 3
- 229910000963 austenitic stainless steel Inorganic materials 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- LTPBRCUWZOMYOC-UHFFFAOYSA-N beryllium oxide Inorganic materials O=[Be] LTPBRCUWZOMYOC-UHFFFAOYSA-N 0.000 claims description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 7
- 229910052786 argon Inorganic materials 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001948 sodium oxide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model discloses a kind of renewable type fuse, comprising: shell is tubular; Through hole arranges and in axial direction goes up in the enclosure; Drainage input and lead-out terminal are separately positioned on the two ends of through hole; Insulating ceramics pipe is arranged on through hole inside, two ends contact with drainage input and lead-out terminal respectively and seal, be provided with two apertures, be provided with the arc extinguishing dividing plate that insulate by force therein with in the middle of two aperture homonymies, its inside is filled with the sodium metal making drainage input terminal and the conducting of drainage lead-out terminal; The storage cavity that confluxes is arranged on enclosure, is communicated with two aperture homonymies; Glass bonded mica layer is arranged between the inwall of through hole and drainage input terminal, drainage lead-out terminal, insulating ceramics pipe; When being short-circuited fault or transshipping, sodium metal will be melted and be flowed into by two apertures and conflux in storage cavity; The renewable type fuse fused is received by the heating cabinet internal heating metal being placed into customization, make metal receive fusing resurgent decline in edge earthenware.
Description
Technical field
The utility model belongs to technical field of electricity, espespecially a kind of renewable type fuse.
Background technology
A large amount of various fuses can be used in electrical production work; the general too high generation thermal effect of electric current crossed flow fuse and cause by being reflected in the various fault of electric load or transshipping; cause the melt inside fuse to fuse, thus disconnection is connected with electrical network, reaches the object of protection power equipment.After failture evacuation, need the fuse more renewed, former fuse, because overcurrent fusing, can only be scrapped process, cause the waste of fuse manufactured materials and the increase of cost of equipment maintenance.
For the problems referred to above, existing a kind of renewable type fuse (patent No. is 201420133527.7), particular content is: comprise the shell in tubular structure, in axial direction through hole is provided with in shell, shell two ends are respectively equipped with the wire current terminal of shutoff at through hole two ends and outlet current terminal, the ceramic insulating tube being positioned at wire current terminal side is provided with in through hole, glass bonded mica layer is equipped with between through-hole wall and ceramic insulating tube outer wall and between wire current terminal and shell, the Metal Ball with outlet current terminal contact is provided with in through hole, Metal Ball contacts with through-hole wall and seals, sodium metal is filled with in ceramic insulating tube between wire current terminal and Metal Ball and through hole, the high pressure argon gas of 20 MPas is filled with between the inherent Metal Ball of through hole and outlet current terminal.The utility model is reasonable in design, and structure is simple, safe and reliable, need not change melt, can reuse, have good economy, practical, is easy to apply.The series connection of the utility model fuse in circuit, during normal work, wire current terminal 2 and sodium metal, Metal Ball 6 is communicated with outlet terminal 3, make galvanic circle through, when there is overload or fault in circuit, sodium metal 5 temperature gasifies when increasing to over boiling point 882 degree, Metal Ball 6 is backed down by the high pressure argon gas of 20MPA, thus realize and being separated of outlet terminal 3, circuit is disconnected, the effect of start-up circuit safeguard protection, so sodium metal 5 is because stop and temperature reduction, so sodium metal 5 returns to solid state again, compressing Metal Ball 6 continues to contact with lead-out wire terminal, fuse function is recovered.
But, although such scheme can realize the self-recovering function of fuse, have the following disadvantages:
1, the high pressure of 20MPA is full of between Metal Ball 6 and lead-out wire terminal, this pressure is equivalent to 200 atmospheric pressure, very high requirement is proposed to the sealing of Metal Ball and ceramic insulating tube, also to meet the requirement that Metal Ball is free to slide at ceramic insulation tube wall simultaneously, give the larger difficulty manufacturing and arrive
2, adopt argon gas to produce, because argon gas is also the inert gas that cost is higher, from the economy that people reduces fuse, add manufacturing cost.
3, because Metal Ball 6 and lead-out wire terminal 3 are point cantact, to Metal Ball move upward leave lead terminal 3 time, produce the phenomenon of arc discharge before cutout after inevitable, to Metal Ball and lead-out wire terminal generation electric arc burn phenomenon, time serious, can affect the self-recovering function of fuse
4, after gasifying when sodium metal 5 temperature increases to over boiling point 882 degree, can produce 400MPA high pressure and along with 882 high temperature, the high pressure of 400MPA, directly can cause Metal Ball 6 that the argon gas of its 20MPA below can not be relied on to fill holding Metal Ball to be left and draw place's line terminals 3, cause fuse function to lose efficacy.In addition the high pressure of 400MPA and the high temperature of 882 degree may cause fuse to burst.
Utility model content
For prior art Problems existing, the utility model proposes a kind of fuse with return function, after fusing of breaking down, just can return to original normal condition by heating, becoming can reusable fuse.
For achieving the above object, the utility model proposes a kind of renewable type fuse, comprising: shell, through hole, drainage input terminal, drainage lead-out terminal, insulating ceramics pipe, conflux storage cavity, glass bonded mica layer; Wherein, shell, in tubular; Through hole, arranges and in axial direction goes up in the enclosure; Drainage input terminal and drainage lead-out terminal, be separately positioned on the two ends of through hole; Insulating ceramics pipe, be arranged on the inside of through hole, two ends contact with drainage input terminal and drainage lead-out terminal and seal respectively, insulating ceramics pipe is provided with two apertures, homonymy that is inner at insulating ceramics pipe and two apertures is middle is provided with the arc extinguishing dividing plate that insulate by force, is filled with in insulating ceramics pipe inside the sodium metal making drainage input terminal and the conducting of drainage lead-out terminal; Conflux storage cavity, is arranged on enclosure, is communicated with two aperture homonymies; Glass bonded mica layer, is arranged between the inwall of through hole and drainage input terminal, drainage lead-out terminal, insulating ceramics pipe; When described renewable type fuse normally works, drainage input terminal, sodium metal, drainage lead-out terminal are in conducting state; When being short-circuited fault or transshipping, sodium metal will be melted and be flowed into by two apertures and conflux in storage cavity; The renewable type fuse fused is received by the heating cabinet internal heating metal being placed into customization, make metal receive fusing resurgent decline in edge earthenware.
Further, when described renewable type fuse level is installed, the position of two apertures is separately positioned on 1/3 place and 2/3 place of insulating ceramics pipe.
Further, when described renewable type fuse at right angle setting, the position of two apertures is separately positioned on 1/8 place and 7/8 place of insulating ceramics pipe.
Further, shell is made up of austenitic stainless steel, and its outer surface is provided with insulating barrier.
Further, drainage input terminal and drainage lead-out terminal are provided with sealing gasket respectively and between through hole.
Further, insulating glass pipe is made up of beryllium oxide.
Further, the storage cavity that confluxes is made up of conventional ceramic or heatproof glass material.
Further, conflux storage cavity in be filled with CO
2gas.
The renewable type fuse that the utility model proposes can realize when being short-circuited fault or overload, and by fuse protection circuit, and this fuse also has high temperature self-protection function; Restore by customization heating cabinet after fuse blows, realize reusing fuse, fuse can be saved in a large number and manufacture consumptive material and metal bath material, be conducive to energy-conserving and environment-protective.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the renewable type fuse of the utility model one embodiment.
Fig. 2 is the structural representation of the renewable type fuse of another embodiment of the utility model.
Embodiment
Below coordinating preferred embodiment graphic and of the present utility model, setting forth the technological means that the utility model is taked for reaching predetermined utility model object further.
Fig. 1 is the structural representation of the renewable type fuse of the utility model one embodiment.As shown in Figure 1, this fuse comprises: shell 1, through hole 2, drainage input terminal 3, drainage lead-out terminal 4, insulating ceramics pipe 5, conflux storage cavity 6, glass bonded mica layer 7; Wherein,
Shell 1 is in tubular;
Through hole 2 is arranged in shell 1 and in axial direction goes up;
Drainage input terminal 3 and drainage lead-out terminal 4 are separately positioned on the two ends of through hole 2;
Insulating ceramics pipe 5 is arranged on the inside of through hole 2, two ends contact with drainage input terminal 3 and drainage lead-out terminal 4 and seal respectively, insulating ceramics pipe 5 is provided with two apertures 8, homonymy that is inner at insulating ceramics pipe 5 and two apertures 8 is middle is provided with the arc extinguishing dividing plate 9 that insulate by force, is filled with the sodium metal 10 making drainage input terminal 3 and drainage lead-out terminal 4 conducting in insulating ceramics pipe 5 inside;
That the storage cavity 6 that confluxes is arranged on shell 1 is inner, is communicated with two aperture 8 homonymies;
Glass bonded mica layer 7 is arranged between the inwall of through hole 1 and drainage input terminal 3, drainage lead-out terminal 4, insulating ceramics pipe 5;
When described renewable type fuse normally works, drainage input terminal 3, sodium metal 10, drainage lead-out terminal 4 are in conducting state;
When being short-circuited fault or transshipping, sodium metal 10 will be melted at 98 degree and be flowed into by two apertures 8 and conflux in storage cavity 6, realizes the fusing of fuse;
The renewable type fuse fused, can by being placed in the heating cabinet of customization, and the metal that heating is confluxed in storage cavity 6 receives 10, makes it melt resurgent and declines in edge earthenware 5, thus recovers the normally function of fuse.
In one embodiment, then shown in composition graphs 1, when described renewable type fuse level is installed (as Fig. 1), the position of two apertures 8 is separately positioned on 1/3 place and 2/3 place of insulating ceramics pipe 5.
Again shown in composition graphs 2, when described renewable type fuse at right angle setting (as Fig. 2), the position of two apertures 8 is separately positioned on 1/8 place and 7/8 place of insulating ceramics pipe 5.
Horizontal mounting means and the difference of at right angle setting mode are that the aperture position of two apertures 8 is not identical, be more suitable for sodium metal 10 melt rear inflow conflux storage cavity 6.
In the present embodiment, shell 1 is made up of austenitic stainless steel, and its outer surface is provided with insulating barrier.
Drainage input terminal 3 and drainage lead-out terminal 4 are provided with sealing gasket (not shown) respectively and between through hole 2.
Insulating glass pipe 5 is made up of beryllium oxide.
The storage cavity 6 that confluxes is made up of conventional ceramic or heatproof glass material.
The renewable type fuse that the utility model proposes also has high temperature self-protection function, specifically, be by conflux storage cavity 6 in be filled with CO
2gas;
When there is abnormal superhigh temperature in sodium metal 10, have following chemical reaction:
Chemical equation:
When there is temperature more than 440 degree; the reaction of sodium and carbon dioxide carries out under certain condition, makes melt temporarily lose conductivity, thus protection resistive fuse increases; play the effect of high-resistance current-limiting, prevent the abnormal blast consequence brought of sodium metal superhigh temperature.Realize fuse high temperature protection.
In order to more clearly explain above-mentioned renewable type fuse, be described below in conjunction with a specific embodiment, but it should be noted that this embodiment is only to better the utility model is described, do not form and the utility model is limited improperly.
Be installed as example with level shown in Fig. 1, this fuse is sealed in circuit working, when normally working, electric current is received 10 (sodium conductors), drainage lead-out terminal 4 by input drainage input terminal 3, metal and is communicated with, and circuit is through.When short circuit fault or overload; sodium metal 10 temperature reaches 98 degree; start to melt and enter liquid condition; so flow into from two apertures 8 the storage cavity 6 that confluxes; in outflow process; strong insulation arc extinguishing dividing plate 9 starts to play a role and to be cut off by the sodium metal 10 still stayed in insulating glass pipe 5 and arc extinguishing, thus realizes the defencive function of fuse.
The heating cabinet heating of metal that the fuse fused can be placed into customization receives 10, make sodium metal 10 melt resurgent to decline in edge glass tube 5, this fuse is restored, realize reusing fuse, fuse can be saved in a large number and manufacture consumptive material and metal bath material, be conducive to energy-conserving and environment-protective.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; and be not used in restriction protection range of the present utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (8)
1. a renewable type fuse, it is characterized in that, comprising: shell (1), through hole (2), drainage input terminal (3), drainage lead-out terminal (4), insulating ceramics pipe (5), conflux storage cavity (6), glass bonded mica layer (7); Wherein,
Shell (1), in tubular;
Through hole (2), is arranged in shell (1) and in axial direction goes up;
Drainage input terminal (3) and drainage lead-out terminal (4), be separately positioned on the two ends of through hole (2);
Insulating ceramics pipe (5), be arranged on the inside of through hole (2), two ends contact with drainage input terminal (3) and drainage lead-out terminal (4) and seal respectively, insulating ceramics pipe (5) is provided with two apertures (8), homonymy that is inner at insulating ceramics pipe (5) and two apertures (8) is middle is provided with the arc extinguishing dividing plate (9) that insulate by force, is filled with the sodium metal (10) making drainage input terminal (3) and drainage lead-out terminal (4) conducting in insulating ceramics pipe (5) inside;
Conflux storage cavity (6), be arranged on shell (1) inner, is communicated with two aperture (8) homonymies;
Glass bonded mica layer (7), is arranged between the inwall of through hole (1) and drainage input terminal (3), drainage lead-out terminal (4), insulating ceramics pipe (5);
When described renewable type fuse normally works, drainage input terminal (3), sodium metal (10), drainage lead-out terminal (4) are in conducting state; When being short-circuited fault or transshipping, sodium metal (10) will melt and conflux in storage cavity (6) by the inflow of two apertures (8); The renewable type fuse fused is received (10) by the heating cabinet internal heating metal being placed into customization, make metal receive (10) fusing resurgent decline in edge earthenware (5).
2. renewable type fuse according to claim 1, is characterized in that, when described renewable type fuse level is installed, the position of two apertures (8) is separately positioned on 1/3 place and 2/3 place of insulating ceramics pipe (5).
3. renewable type fuse according to claim 1, is characterized in that, when described renewable type fuse at right angle setting, the position of two apertures (8) is separately positioned on 1/8 place and 7/8 place of insulating ceramics pipe (5).
4. renewable type fuse according to claim 1, is characterized in that, shell (1) is made up of austenitic stainless steel, and its outer surface is provided with insulating barrier.
5. renewable type fuse according to claim 1, is characterized in that, drainage input terminal (3) and drainage lead-out terminal (4) are provided with sealing gasket respectively and between through hole (2).
6. renewable type fuse according to claim 1, is characterized in that, insulating glass pipe (5) is made up of beryllium oxide.
7. renewable type fuse according to claim 1, is characterized in that, storage cavity (6) that confluxes is made up of conventional ceramic or heatproof glass material.
8. renewable type fuse according to claim 1, is characterized in that, is filled with CO confluxing in storage cavity (6)
2gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721000.6U CN204204781U (en) | 2014-11-26 | 2014-11-26 | A kind of renewable type fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420721000.6U CN204204781U (en) | 2014-11-26 | 2014-11-26 | A kind of renewable type fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204204781U true CN204204781U (en) | 2015-03-11 |
Family
ID=52662710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420721000.6U Active CN204204781U (en) | 2014-11-26 | 2014-11-26 | A kind of renewable type fuse |
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| Country | Link |
|---|---|
| CN (1) | CN204204781U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711543A (en) * | 2018-04-19 | 2018-10-26 | 武汉司德宝电气有限公司 | A kind of electric vehicle fuse |
| CN109119308A (en) * | 2018-10-30 | 2019-01-01 | 深圳市金合联供应链技术有限公司 | Liquid metal structure self-mending fuse |
| CN109192918A (en) * | 2018-07-27 | 2019-01-11 | 苏州市模度智能科技有限公司 | A kind of the single battery temperature device for fusing and its blowout method of power battery module |
| CN110828250A (en) * | 2019-11-18 | 2020-02-21 | 曲相霖 | Overcurrent processor for electric power |
| CN111146048A (en) * | 2020-01-13 | 2020-05-12 | 吴妍佩 | Self-recovery direct current fuse |
| CN112086329A (en) * | 2019-12-02 | 2020-12-15 | 卢思雨 | Small-sized circuit breaker |
| CN112420464A (en) * | 2020-11-04 | 2021-02-26 | 周永刚 | High-voltage distribution fuse with high current fusing and self-repairing functions |
-
2014
- 2014-11-26 CN CN201420721000.6U patent/CN204204781U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711543A (en) * | 2018-04-19 | 2018-10-26 | 武汉司德宝电气有限公司 | A kind of electric vehicle fuse |
| CN108711543B (en) * | 2018-04-19 | 2024-03-22 | 武汉司德宝电气有限公司 | Electric automobile fuse |
| CN109192918A (en) * | 2018-07-27 | 2019-01-11 | 苏州市模度智能科技有限公司 | A kind of the single battery temperature device for fusing and its blowout method of power battery module |
| CN109119308A (en) * | 2018-10-30 | 2019-01-01 | 深圳市金合联供应链技术有限公司 | Liquid metal structure self-mending fuse |
| CN109119308B (en) * | 2018-10-30 | 2024-02-20 | 深圳市金合联技术股份有限公司 | Liquid metal structure self-resetting fuse |
| CN110828250A (en) * | 2019-11-18 | 2020-02-21 | 曲相霖 | Overcurrent processor for electric power |
| CN112086329A (en) * | 2019-12-02 | 2020-12-15 | 卢思雨 | Small-sized circuit breaker |
| CN112086329B (en) * | 2019-12-02 | 2023-11-24 | 浙江华昌电气有限公司 | Small-sized circuit breaker |
| CN111146048A (en) * | 2020-01-13 | 2020-05-12 | 吴妍佩 | Self-recovery direct current fuse |
| CN112420464A (en) * | 2020-11-04 | 2021-02-26 | 周永刚 | High-voltage distribution fuse with high current fusing and self-repairing functions |
| CN112420464B (en) * | 2020-11-04 | 2023-12-05 | 国网浙江省电力有限公司杭州供电公司 | High-voltage distribution fuse with high-current fusing and self-repairing functions |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |