CN104900460A - Low-voltage current limiting rapid fuse - Google Patents

Low-voltage current limiting rapid fuse Download PDF

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Publication number
CN104900460A
CN104900460A CN201510314280.8A CN201510314280A CN104900460A CN 104900460 A CN104900460 A CN 104900460A CN 201510314280 A CN201510314280 A CN 201510314280A CN 104900460 A CN104900460 A CN 104900460A
Authority
CN
China
Prior art keywords
slotted eye
fusing
low
current limiting
voltage current
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.)
Pending
Application number
CN201510314280.8A
Other languages
Chinese (zh)
Inventor
杨翠茹
杨颖�
雷璟
刘东霖
林一峰
王文轩
陈忠东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Electric Power Research Institute of Guangdong Power Grid Co Ltd
Original Assignee
Tsinghua University
Electric Power Research Institute of Guangdong Power Grid Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tsinghua University, Electric Power Research Institute of Guangdong Power Grid Co Ltd filed Critical Tsinghua University
Priority to CN201510314280.8A priority Critical patent/CN104900460A/en
Publication of CN104900460A publication Critical patent/CN104900460A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/04Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05Component parts thereof
    • H01H85/055Fusible members
    • H01H85/08Fusible members characterised by the shape or form of the fusible member
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/04Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/044General constructions or structure of low voltage fuses, i.e. below 1000 V, or of fuses where the applicable voltage is not specified

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  • Fuses (AREA)

Abstract

The invention discloses a low-voltage current limiting rapid fuse which comprises a first connecting end, a fuse body and a second connecting end; wherein the first connecting end, the fuse body and the second connecting end are made of copper and are successively connected. The fuse body is elongated and is provided with a plurality of elongated slotted holes which are transversely and uniformly arranged in parallel. The fuse body of the copper low-voltage current limiting rapid fuse is set to a sheet-shaped member. Furthermore the fuse body is provided with the elongated slotted holes which are uniformly arranged in parallel, thereby improving stability and accuracy in operation of the low-voltage current limiting rapid fuse, and realizing a good fusing characteristic. Furthermore fusing time of the low-voltage current limiting rapid fuse is stable at a low overcurrent multiple and can satisfy a national requirement.

Description

Low-voltage current limiting quick fuse
Technical field
The present invention relates to electric system generator, tranformer protection technical field, particularly a kind of low-voltage current limiting quick fuse.
Background technology
In electric power system, due to the low pressure such as fuse switch, switch with knifeshaped fuse, to cut-off equipment price cheap, and can cut off circuit more rapidly than normal circuit breaker, is therefore widely used in equipment such as protection generator, transformer etc.But; these traditional low pressure are cut-off equipment and are also existed and cut-off integrity problem; especially, when low overcurrent multiple, switch with knifeshaped fuse often can run into fusing in advance at work or postpone the situation of fusing, has a strong impact on the safe handling of the power equipment such as generator, transformer.
Summary of the invention
Based on this, cut-off equipment for above-mentioned traditional low pressure and also exist and cut-off unreliable and affect the problem of power equipment use safety, the present invention proposes a kind of low-voltage current limiting quick fuse.
Its technical scheme is as follows:
A kind of low-voltage current limiting quick fuse, comprises first link also connected successively of copper material, fusing main body, the second link; Described fusing main body is set to lengthy motion picture shape, and described fusing main body is laterally evenly set side by side with multiple strip slotted eye.
The fusing main body of the low-voltage current limiting quick fuse of copper material is set to sheet, and unique strip slotted eye is evenly set up in parallel in fusing main body, CURRENT DISTRIBUTION that fusing main body flows through can be made more even, make the Temperature Distribution in fusing main body comparatively mild, be conducive to stability and the accuracy of low-voltage current limiting quick fuse work, thus make this low-voltage current limiting quick fuse have very good operating chacteristics, especially under low overcurrent multiple, its fusing time is comparatively stablized and can be reached national requirements; Meanwhile, the first link and the second link are set at low-voltage current limiting quick fuse two ends, conveniently low-voltage current limiting quick fuse are connected in circuit, also conveniently change.
Below its further technical scheme is described:
Further, described fusing main body comprises middle fusing section, and is symmetricly set in the first fusing section and the second fusing section at described middle fusing section two ends, and the section width that fuses in the middle of described is narrower than the width of described first fusing section or the second fusing section.By fusing main body is set to monosymmetric version, can at will just connect or reversal connection in circuit.And, fusing main body is set to syllogic, the electric current that flows through can be made evenly, and the centre section of fusing is arranged thinner, make to flow through middle electric current from end and change (becoming large), in the middle of when overload or short circuit, the heating of heating section is easier from centre fusing, and operating chacteristics is good.
Further, described first fusing section or the second fusing section are provided with the end slotted eye of at least one strip, and in the middle of described, fusing section is also provided with at least one middle slotted eye, described middle slotted eye is set to shape broad in the middle small in ends.Three sections of fusing sections evenly arrange slotted eye, the melt portion of three sections of fusing sections is subdivided into mulitpath further, thus the electric current flow through can be segmented further, electric current is more evenly distributed in fusing main body, makes the Temperature Distribution in fusing main body also milder.Particularly the middle slotted eye in the section of fusing of centre is arranged to shape small in ends broad in the middle, melt portion in the middle of corresponding between fusing section slotted eye just forms the shape of big at both ends and small in middle, gradually change and can not change suddenly when electric current is flow through, curent change generates heat equilibrium gently.
Further, described middle slotted eye comprises the major trough hole be arranged in the middle part of described middle fusing section, and is symmetricly set in described two ends, major trough hole and the auxiliary slotted eye be communicated with described major trough hole, and described major trough hole width is wider than described auxiliary tank hole width.Further middle slotted eye is arranged to the form that auxiliary slotted eye adds major trough hole, and major trough hole is arranged on centre position, make the fusing main body melt of middle position the narrowest, be convenient to fuse from this.
Further, be respectively arranged with the end slotted eye of two rectangles in the middle part of described first fusing section or the second fusing section, slotted eyes in the middle of being also provided with two in the middle part of fusing section in the middle of described, major trough hole and the auxiliary slotted eye of described middle slotted eye are all set to rectangle.Slotted eye is arranged to rectangular in form simple and convenient, three sections of fusing sections evenly arrange two rectangular shaped slot, make the melt width between slotted eye keep constant, uniform divided flows can be carried out to the electric current flowing through melt.And when the major trough hole of middle slotted eye and auxiliary slotted eye are set to rectangle, the melt width between major trough hole is made to keep constant, melt width can not produce change or the narrowest at the width at some location point places suddenly, thus can not fuse suddenly at the narrowest place of melt width, namely melt can melt gradually and fuse, good stability.
Further, major trough hole and the auxiliary slotted eye of described middle slotted eye are all set to rectangle, and the connection transition position of described major trough hole and auxiliary slotted eye is set to trapezoidal.Trapezoidal connection transition is set between major trough hole and auxiliary slotted eye, the melt width at this place is gradually changed, thus the electric current flowing through this place is also gradually changed, make curent change generate heat gently gently, suddenly can not change and increase of generating heat because of melt width, make melt stability good.
Further, the end slotted eye of three rectangles is respectively arranged with in the middle part of described first fusing section or the second fusing section, also slotted eye in the middle of being provided with three in the middle part of fusing section in the middle of described, the major trough hole of described middle slotted eye is set to rectangle, and described auxiliary slotted eye is set to half elliptic.Except arranging except two slotted eyes all respectively three fusing sections, also all can arrange three slotted eyes, further refinement melt structure, flows through the electric current of melt further, electric current is distributed on melt more balanced.And auxiliary slotted eye is set to half elliptic, and the connection transition making auxiliary slotted eye and major trough hole is milder, thus make the curent change that flows through also milder, generate heat also more gently balanced, operating chacteristics is better.
Further, described first link and the second link are also all set to the sheet corresponding with described fusing main body, and described first link offers the first connector, and described second link offers the second connector.By arranging the first connector and the second connector, be convenient to this low-voltage current limiting quick fuse to be connected in circuit.
Further, described first connector and the second connector are all set to U-shaped mouth, and described first connector and the second connector opening direction mutually vertical or mutual back to.First connector and the second connector are all set to U-shaped mouth shape, can directly by the two ends card line attachment of this low-voltage current limiting quick fuse, dismounting is also easily simple.
The present invention has following outstanding advantage: the operating chacteristics of this low-voltage current limiting quick fuse can reach national requirements, and especially its protective feature when low overcurrent multiple is more excellent; And its breaking capacity is high, protection circuit safety, dependable performance, price is low, maintenance is simple, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation in one case of low-voltage current limiting quick fuse described in the embodiment of the present invention;
Fig. 2 is the structural representation in another case of low-voltage current limiting quick fuse described in the embodiment of the present invention;
Fig. 3 is the structural representation in another case of low-voltage current limiting quick fuse described in the embodiment of the present invention.
Description of reference numerals: 100-first link, 110-first connector, 200-melt main body, 210-first section of fusing, 212-end slotted eye, fusing section in the middle of 220-, (222a, 222b, 222c)-middle slotted eye, (224a, 224b, 224c)-auxiliary slotted eye, (226a, 226b, 226c)-major trough hole, 230-second section of fusing, 232-end slotted eye, 300-second link, the second connector.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
As shown in Figure 1, a kind of low-voltage current limiting quick fuse, comprises first link 100 also connected successively of copper material, fusing main body 200, second link 300.This fusing main body 200 is set to lengthy motion picture shape, and fusing main body 200 is laterally evenly set side by side with multiple strip slotted eye.The fusing main body of the low-voltage current limiting quick fuse of copper material is set to sheet, and unique strip slotted eye is evenly set up in parallel in fusing main body, CURRENT DISTRIBUTION that fusing main body flows through can be made more even, make the Temperature Distribution in fusing main body comparatively mild, be conducive to stability and the accuracy of low-voltage current limiting quick fuse work, thus make this low-voltage current limiting quick fuse have very good operating chacteristics, especially under low overcurrent multiple, its fusing time is comparatively stablized and can be reached national requirements; Meanwhile, the first link and the second link are set at low-voltage current limiting quick fuse two ends, conveniently low-voltage current limiting quick fuse are connected in circuit, also conveniently change.
Further, above-mentioned fusing main body 200 comprises middle fusing section 220, and being symmetricly set in first fusing section 210 and the second fusing section 230 at middle fusing section 220 two ends, this centre fusing section 220 width is narrower than the width of the first fusing section 210 or the second fusing section 230.By fusing main body 200 is set to monosymmetric version, can at will just connect or reversal connection in circuit.And, fusing main body 200 is set to syllogic, can make to flow through the electric current of melt evenly, and the centre section of fusing is arranged thinner, make to flow through middle electric current from end and change (becoming large), in the middle of when overload or short circuit, the heating of heating section is easier from centre fusing, and operating chacteristics is good.
And, as shown in Figure 1 to Figure 3, above-mentioned first fusing section 210 or the second fusing section 230 are provided with the end slotted eye (212 of at least one strip, 232), middle fusing section 220 is also provided with at least one middle slotted eye (222a, 222b, 222c), middle slotted eye (222a, 222b, 222c) is set to shape broad in the middle small in ends.Three sections of fusing sections evenly arrange slotted eye, the melt portion of three sections of fusing sections is subdivided into mulitpath further, thus the electric current flow through can be segmented further, electric current is more evenly distributed in fusing main body, makes the Temperature Distribution in fusing main body also milder.Particularly by the middle slotted eye (222a in the centre section of fusing 220,222b, 222c) be arranged to shape small in ends broad in the middle, melt portion in the middle of corresponding between fusing section 220 slotted eye just forms the shape of big at both ends and small in middle, gradually change and can not change suddenly when making electric current flow through melt, curent change generates heat equilibrium gently.Further, this middle slotted eye (222a, 222b, 222c) also can comprise the major trough hole (226a, 226b, 226c) be arranged in the middle part of middle fusing section 220, and be symmetricly set in major trough hole (226a, 226b, 226c) two ends and with major trough hole (226a, 226b, auxiliary slotted eye (224a 226c) be communicated with, 224b, 224c), this major trough hole (226a, 226b, 226c) width is wider than auxiliary slotted eye (224a, 224b, 224c) width.Further by middle slotted eye (222a, 222b, 222c are arranged to auxiliary slotted eye (224a, 224b, 224c) add major trough hole (226a, 226b, 226c) form, and by major trough hole (222a, 222b, 222c is arranged on centre position, makes fusing main body 200 melt of middle position the narrowest, is convenient to fuse from this.
As shown in Figure 1, in one embodiment, the end slotted eye (212 of two rectangles can be set side by side with respectively in the middle part of this first fusing section 210 or the second fusing section 230,232), and slotted eye 222a in the middle of being also respectively arranged with two in the middle part of this centre fusing section 220, major trough hole 226a and the auxiliary slotted eye 224a of middle slotted eye 222a are all set to rectangle.Slotted eye is arranged to rectangular in form simple and convenient, three sections of fusing sections evenly arrange two rectangular shaped slot, make the melt width between slotted eye keep constant, uniform divided flows can be carried out to the electric current flowing through melt.And when the major trough hole 226a of middle slotted eye 222a and auxiliary slotted eye 224a is set to rectangle, the melt width between the 226a of major trough hole is made to keep constant, melt width can not produce change or the narrowest at the width at some location point places suddenly, thus can not fuse suddenly at the narrowest place of melt width, namely melt can melt gradually and fuse, good stability.And above-mentioned end slotted eye (212,232) and middle slotted eye 222a are divided into two rows and arrange, and the center line often arranging end slotted eye (212,232) and middle slotted eye 222a is located along the same line.Like this, make melt distributing equilibrium between slotted eye orderly, also uniform sequential when electric current flows through these melts, be not easy to produce the too high situation of local temperature.
Concrete example is as follows, and arrange fusing main body 200 for approximate rectangular, its length is set to 80mm, and width is 18.2mm.And the length of middle fusing section 220 is 24mm, and major trough hole 226a is arranged on the center of middle fusing section 220, and its major trough hole 226a is of a size of 12mm*5.5mm.And auxiliary slotted eye 224a is also connected in the center of major trough hole 226a, it is of a size of 6mm*2.4mm.In addition, the width of middle fusing section 220 to fuse all narrow 1.1mm in the width both sides of section 230 than the first fusing section 210 or second.Again, the first fusing section 210 or the second fusing section 230 are of a size of 28mm*18.2mm.And end slotted eye (212,232) is all arranged on the center of the first fusing section 210 or the second fusing section 230, each end slotted eye (212,232) is of a size of 14mm*2.6mm, and the distance from both sides is 7mm.
As shown in Figure 2, in another embodiment, on the basis of above-described embodiment, the major trough hole 226b of this middle slotted eye 222b and auxiliary slotted eye 224b is all set to rectangle, and the connection transition position of major trough hole 226b and auxiliary slotted eye 224b is set to trapezoidal.Between major trough hole 226b and auxiliary slotted eye 224b, trapezoidal connection transition is set, the melt width at this place is gradually changed, thus the electric current flowing through this place is also gradually changed, make curent change generate heat gently gently, suddenly can not change and increase of generating heat because of melt width, make melt stability good.
As shown in Figure 3, in another embodiment, the end slotted eye (212 of three rectangles is respectively arranged with in the middle part of this first fusing section 210 or the second fusing section 230,232), also slotted eye 222c in the middle of being provided with three in the middle part of middle fusing section 220, the major trough hole 226c of middle slotted eye 222c is set to rectangle, and auxiliary slotted eye 224c is set to half elliptic.Except arranging except two slotted eyes all respectively three fusing sections, also all can arrange three slotted eyes, further refinement melt structure, flows through the electric current of melt further, electric current is distributed on melt more balanced.And auxiliary slotted eye 224c is set to half elliptic, and the connection transition making auxiliary slotted eye 224c and major trough hole 226c is milder, thus make the curent change that flows through also milder, generate heat also more gently balanced, operating chacteristics is better.And above-mentioned end slotted eye (212,232) and middle slotted eye 222c are divided into three rows and arrange, and the center line often arranging end slotted eye (212,232) and middle slotted eye 222c is located along the same line.Like this, make melt distributing equilibrium between slotted eye orderly, also uniform sequential when electric current flows through these melts, be not easy to produce the too high situation of local temperature.
Concrete example is as follows, and arrange fusing main body 200 for approximate rectangular, its length is set to 80mm, and width is 18.2mm.And the length of middle fusing section 220 is 24mm, and major trough hole 226c is arranged on the center of middle fusing section 220, and its major trough hole 226c is of a size of 12mm*3mm.And auxiliary slotted eye 224c is connected with major trough hole 226c rounding off, its major semiaxis is long is 6mm, and semi-minor axis is long is 1.5mm.In addition, the width of middle fusing section 220 to fuse all narrow 1.1mm in the width both sides of section 230 than the first fusing section 210 or second.Again, the first fusing section 210 or the second fusing section 230 are of a size of 28mm*18.2mm.And three end slotted eyes (212 of the first fusing section 210 or the second fusing section 230,232) center of the first fusing section 210 or the second fusing section 230 is all arranged on, middle end slotted eye is of a size of 14mm*1.8mm, and the distance from both sides is 7mm.And the width of the end slotted eye of centre wants wide 0.1mm compared with the width of the end slotted eye of both sides, but length is identical.
In addition, above-mentioned first link 100 and the second link 300 are also all set to the sheet corresponding with the main body 200 that fuses, and first the width of link 100 and the second link 300 be all greater than the width of fusing main body 200, the electric current being convenient to connect current ratio fusing main body 200 place that also can make to flow through the first link 100 and the second link 300 on the other hand is on the one hand little, is unlikely in the first link 100 or the fusing of the second link 300 place.And the first link 100 offers on the first connector 110, second link 300 and offer the second connector 310.By arranging the first connector 110 and the second connector 310, be convenient to this low-voltage current limiting quick fuse to be connected in circuit.Further, this first connector 110 and the second connector 310 are all set to U-shaped mouth, and the first connector 110 and the second connector 310 opening direction mutually vertical or mutual back to.First connector 110 and the second connector 310 are all set to U-shaped mouth shape, can directly just the two ends of this low-voltage current limiting quick fuse to be by the mode card line attachment that rotates, dismounting is also easily simple.
Low-voltage current limiting quick fuse provided by the invention, its operating chacteristics can reach national requirements, and especially its protective feature when low overcurrent multiple is more excellent; And its breaking capacity is high, protection circuit safety, dependable performance, price is low, maintenance is simple, easy to use.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.

Claims (9)

1. a low-voltage current limiting quick fuse, is characterized in that, comprises first link also connected successively of copper material, fusing main body, the second link;
Described fusing main body is set to lengthy motion picture shape, and described fusing main body is laterally evenly set side by side with multiple strip slotted eye.
2. low-voltage current limiting quick fuse according to claim 1, it is characterized in that, described fusing main body comprises middle fusing section, and being symmetricly set in the first fusing section and the second fusing section at described middle fusing section two ends, the section width that fuses in the middle of described is narrower than the width of described first fusing section or the second fusing section.
3. low-voltage current limiting quick fuse according to claim 2, it is characterized in that, described first fusing section or the second fusing section are provided with the end slotted eye of at least one strip, in the middle of described, fusing section is also provided with at least one middle slotted eye, described middle slotted eye is set to shape broad in the middle small in ends.
4. low-voltage current limiting quick fuse according to claim 3, it is characterized in that, described middle slotted eye comprises the major trough hole be arranged in the middle part of described middle fusing section, and being symmetricly set in described two ends, major trough hole and the auxiliary slotted eye be communicated with described major trough hole, described major trough hole width is wider than described auxiliary tank hole width.
5. low-voltage current limiting quick fuse according to claim 4, it is characterized in that, the end slotted eye of two rectangles is respectively arranged with in the middle part of described first fusing section or the second fusing section, also slotted eye in the middle of being provided with two in the middle part of fusing section in the middle of described, major trough hole and the auxiliary slotted eye of described middle slotted eye are all set to rectangle.
6. low-voltage current limiting quick fuse according to claim 5, is characterized in that, major trough hole and the auxiliary slotted eye of described middle slotted eye are all set to rectangle, and the connection transition position of described major trough hole and auxiliary slotted eye is set to trapezoidal.
7. low-voltage current limiting quick fuse according to claim 4, it is characterized in that, the end slotted eye of three rectangles is respectively arranged with in the middle part of described first fusing section or the second fusing section, also slotted eye in the middle of being provided with three in the middle part of fusing section in the middle of described, the major trough hole of described middle slotted eye is set to rectangle, and described auxiliary slotted eye is set to half elliptic.
8. low-voltage current limiting quick fuse according to claim 1, it is characterized in that, described first link and the second link are also all set to the sheet corresponding with described fusing main body, and described first link offers the first connector, described second link offers the second connector.
9. low-voltage current limiting quick fuse according to claim 8, is characterized in that, described first connector and the second connector are all set to U-shaped mouth, and described first connector and the second connector opening direction mutually vertical or mutual back to.
CN201510314280.8A 2015-06-09 2015-06-09 Low-voltage current limiting rapid fuse Pending CN104900460A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610988A (en) * 2017-10-30 2018-01-19 Aem科技(苏州)股份有限公司 A kind of microsuper surface mounting fuse protector and its manufacture method

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US4041435A (en) * 1974-10-01 1977-08-09 Mcgraw-Edison Company Protector for electric circuit
US5673014A (en) * 1994-08-01 1997-09-30 Siemens Aktiengesellschaft General-purpose converter fuse
CN2357410Y (en) * 1998-04-02 2000-01-05 北京海淀水利电力模型厂 Grid fusing part
CN201332079Y (en) * 2009-01-08 2009-10-21 上海电器陶瓷厂有限公司 Full-range quick fuse
CN201421816Y (en) * 2009-06-16 2010-03-10 上海电器陶瓷厂有限公司 Fuse body for low voltage fuses
CN203573923U (en) * 2013-12-05 2014-04-30 国家电网公司 Flexible high voltage fuse
CN203967009U (en) * 2014-07-11 2014-11-26 浙江茗熔电器保护系统有限公司 A kind of melt for low-voltage variation fuse
CN204651278U (en) * 2015-06-09 2015-09-16 广东电网有限责任公司电力科学研究院 Low-voltage current limiting quick fuse

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041435A (en) * 1974-10-01 1977-08-09 Mcgraw-Edison Company Protector for electric circuit
US5673014A (en) * 1994-08-01 1997-09-30 Siemens Aktiengesellschaft General-purpose converter fuse
CN2357410Y (en) * 1998-04-02 2000-01-05 北京海淀水利电力模型厂 Grid fusing part
CN201332079Y (en) * 2009-01-08 2009-10-21 上海电器陶瓷厂有限公司 Full-range quick fuse
CN201421816Y (en) * 2009-06-16 2010-03-10 上海电器陶瓷厂有限公司 Fuse body for low voltage fuses
CN203573923U (en) * 2013-12-05 2014-04-30 国家电网公司 Flexible high voltage fuse
CN203967009U (en) * 2014-07-11 2014-11-26 浙江茗熔电器保护系统有限公司 A kind of melt for low-voltage variation fuse
CN204651278U (en) * 2015-06-09 2015-09-16 广东电网有限责任公司电力科学研究院 Low-voltage current limiting quick fuse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107610988A (en) * 2017-10-30 2018-01-19 Aem科技(苏州)股份有限公司 A kind of microsuper surface mounting fuse protector and its manufacture method
US11069501B2 (en) 2017-10-30 2021-07-20 Aem Components (Suzhou) Co., Ltd. Miniature super surface mount fuse and manufacturing method thereof

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