WO2018116188A1 - 熔断器 - Google Patents
熔断器 Download PDFInfo
- Publication number
- WO2018116188A1 WO2018116188A1 PCT/IB2017/058183 IB2017058183W WO2018116188A1 WO 2018116188 A1 WO2018116188 A1 WO 2018116188A1 IB 2017058183 W IB2017058183 W IB 2017058183W WO 2018116188 A1 WO2018116188 A1 WO 2018116188A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fuse
- tube body
- outer tube
- copper sleeve
- closed end
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/042—General constructions or structure of high voltage fuses, i.e. above 1000 V
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/22—Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/48—Protective devices wherein the fuse is carried or held directly by the base
- H01H85/50—Protective devices wherein the fuse is carried or held directly by the base the fuse having contacts at opposite ends for co-operation with the base
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/08—Fusible members characterised by the shape or form of the fusible member
- H01H85/10—Fusible members characterised by the shape or form of the fusible member with constriction for localised fusing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
- H01H85/1755—Casings characterised by the casing shape or form composite casing
Definitions
- the utility model relates to a fuse, in particular to a tubular type and preferably a double tube type fuse
- a fuse is a component that is connected to a circuit to protect the circuit. When the current on the circuit is too large, the metal wire or the chip is melted at a high temperature, causing an open circuit to interrupt the current to protect the circuit from damage.
- Single tube (ceramic tube) is equipped with inner and outer copper sleeves.
- the fuse is fixed by inner and outer copper sleeves; or single tube (fiber tube) is equipped with a single copper sleeve.
- the fuse is Solder soldered to be fixed.
- fuses there are double-tube fuses.
- the current double-tube design is mainly applied to fuses (fuse) with higher rated current and rated voltage.
- the main body of this fuse is glass fiber resin/melamine tube.
- the performance of the tube electrical appliance is good, the arc extinguishing performance is strong, and the breaking capacity of the fuse (fuse) is favorable, but the cost is relatively high, and since the surface is not smooth, it cannot be directly printed on the pipe body.
- a fuse comprising: an outer tube body open at both ends, an inner tube body disposed at both ends of the outer tube body, a fuse core disposed inside the inner tube body, and a setting And left and right inner copper sleeves covering the two ends of the outer tube body, and left and right outer copper sleeves disposed on the inner copper sleeve and the outer tube body; wherein the inner copper sleeve has one end An open end and the other end are a first closed end, the end surface of the first closed end has a first opening; the first open end is preferably an interference fit connection with the outer tube by stamping; The end of the core extends through the first opening and is preferably fixed to the end surface of the first closed end by spot welding; the outer copper sleeve has an open end at one end and a closed end at the other end The open end of the copper sleeve is preferably joined to the first closed end and/or the outer tubular body by stamping.
- the one end of the pin copper sleeve is a second open end and the other end is a second closed end, the end surface of the second closed end is preferably formed by punching to form an opening portion and a pin portion, the pin portion being configured to be bent 180° to an outer side of the end surface of the second closed end to form along the pin a pin or insert extending in a radial direction of the copper sleeve; the second open end is preferably press-fitted into an interference fit with the closed end of the outer copper sleeve and/or the outer tubular body.
- the pin portion is a T-shaped pin portion, and the pin portion is configured to be bent 180 ° to the outside of the end surface of the second closed end such that the elongated portion of the T-shaped pin portion is formed along the a pin or insert extending in a radial direction of the pin bushing, the pin or the insert
- the direction of extension is orthogonal to the axial direction of the fuse.
- a blocking member disposed over the spot weld portion between the outer copper sleeve and the inner copper sleeve and preferably covering the end surface of the first closed end, the blocking The piece is made of an insulating material and is configured to increase the current and/or arc blocking capability of the fuse.
- the outer surface of the outer tubular body has a printable indicia portion.
- the outer and inner tubes are constructed of two different materials and are snugly nested together to prevent loosening, wherein the outer tube is constructed of a material that is resistant to high temperatures.
- the inner tubular body is constructed of materials that are lightweight and easy to produce; and the outer and inner tubular bodies are configured to increase the electrical performance of the fuse and reduce the overall cost of the fuse requiring high electrical performance.
- the outer tube body is made of ceramic or glass and the inner tube body is made of fiberglass, polyester, resin, fiberglass resin and/or melamine, the outer tube body and the inner tube
- the inner and outer diameters of the tubular body are sized to facilitate snug fit together; and/or the outer and inner tubular bodies are adhered by an adhesive or adhesive applied therebetween Achieve a fixed and / or close effect.
- the first opening has a shape of a semicircle, a triangle, a rectangle, a polygon, and/or a combination thereof.
- the fuse core is in the form of a wire or sheet; and/or the fuse core is in the form of a sheet having a plurality of mutually spaced perforations.
- the fuse extends in an axial direction of the inner tubular body; and/or an axis of the fuse coincides or is parallel with an axis of the inner tubular body.
- FIG. 1 is a schematic diagram of an exemplary fuse of the present disclosure
- Figure 2 is an exploded view of the exemplary fuse of Figure 1;
- FIGS. 4a-4b are schematic illustrations of exemplary pin copper sleeves of the exemplary fuses of the present disclosure in different configurations;
- the exemplary fuse 100 shown in the drawing is a double-tube fuse 100, which includes an outer tube body 70 that is open at both ends, an inner tube body 60 that is disposed at both ends of the outer tube body 70, and is disposed.
- the fuses 100 are single tube fuses, i.e., they only include the outer tube body 70; other structures are substantially identical to those shown in Figures 1-2.
- the outer surface of the outer tubular body 70 has a printable portion that characterizes performance and parameters.
- the fuse core 50 is in the form of a wire or sheet.
- the fuse core is in the form of a sheet having a plurality of mutually spaced perforations, as shown in FIG.
- the fuse extends in an axial direction of the inner tube; and/or The axis of the fuse coincides with or is parallel to the axis of the inner tube, as shown in FIG.
- one end of the inner copper sleeve 40 is adjacent to the first open end of the outer tube body and the other end is a first closed end away from the outer tube body, and the end surface of the first closed end has a first opening;
- the first open end is preferably in an interference fit connection with the outer tubular body by stamping.
- the inner copper sleeve of the present disclosure has more copper materials, which can help the fuse (fuse) to reduce internal resistance and maintain good electrical power. Contact and reduce the temperature rise of the fuse (fuse) when it is energized.
- the first opening has a shape of a semicircle, a triangle, a rectangle, a polygon, and/or a combination thereof.
- the end face 44 of the first closed end has a semi-circular first opening 42.
- the end of the fuse core 50 of the present disclosure extends through the first opening 42, and is preferably secured to the end face 44 of the first closed end by spot welding.
- the fuse/fuse is typically secured by the rim/end side of the inner copper bushing, and the end face 44 of the present disclosure provides a bearing surface to the fuse 50. It can be fixed by spot welding without using a soldering method, which can reduce the conductivity of the fuse by the external heat of the fuse (fuse).
- the outer copper sleeve 20 of the present disclosure has an open end at one end and a closed end at the other end, and the open end of the outer copper sleeve 20 is preferably stamped with the first closed end and I or The outer tubular body is connected in an interference fit.
- the outer copper sleeve 20 of the fuse is coupled to the circuit board by known clamping members or can be inserted into a dedicated socket of the circuit board to protect the circuit from excessive current.
- the fuse 100 further includes left and right pin bushings 10 disposed and overlying the outer copper sleeve and the outer tube ends.
- one end of the pin bushing 10 is a second open end and the other end is a second closed end, and the end face 14 of the second closed end is preferably formed by punching to form an opening portion and a pin portion 12 configured to be bent 180° to an outer side of the end face 14 of the second closed end to form a pin or insert extending in a radial direction of the pin bushing; the second open end
- the closed end of the outer copper sleeve 20 and the outer tubular body of the outer copper sleeve 20 are joined by an interference fit.
- the pin portion is preferably a T-shaped pin portion 12 that is configured to be bent 180° to the outside of the end face 14 of the second closed end such that the long portion of the T-shaped pin portion Pins or inserts extending in a radial direction of the pin bushing are formed, the pins or inserts extending in a direction orthogonal or perpendicular to the axial direction of the fuse.
- the pin bushings are mounted on both ends of the fuse (fuse) so that the fuse can be mounted or fixed on a circuit board (PCB).
- the pin bushing is mechanically fixed, eliminating the need for soldering and reducing the fuse (fuse) in the tin furnace (reflow/wave front welding).
- the external heat is applied to affect the conductivity of the fuse in the fuse (fuse);
- the fuse (fuse) can be integrally formed with the pin copper sleeve for direct soldering to the PCB.
- the pin bushing of the present disclosure makes it difficult or impossible for the user to remove the pin bushing from the fuse (fuse), which is different from the prior art fuse copper clip application.
- the shape of the fuse (fuse) pin copper sleeve is designed as a material-saving design, because the pin portion 12 itself is folded from the end face or the bottom of the pin bushing to the outside, making full use of the pin copper sleeve.
- the material of the end face or flat portion is designed as a material-saving design, because the pin portion 12 itself is folded from the end face or the bottom of the pin bushing to the outside, making full use of the pin copper sleeve.
- the fuse 100 further includes a blocking member 30 disposed over the spot weld portion between the outer copper sleeve 20 and the inner copper sleeve 40 and preferably covering the end surface of the first closed end
- the blocking member 30 is made of an insulating material and is configured to increase the current and I or arc blocking capability of the fuse. As shown in FIG. 2, the blocking member 30 can be formed into a circular shape; in other embodiments The blocking member 30 may be formed into a semicircle, a triangle, a rectangle, a polygon, and/or a combination thereof.
- the outer and inner tubes are constructed of two different materials and are snugly nested together to prevent loosening, wherein the outer tube is constructed of a material that is resistant to high temperatures.
- the inner tubular body is constructed of materials that are lightweight and easy to produce, and vice versa (depending on the particular application); and the outer and inner tubular bodies are configured to increase the electrical performance and lower requirements of the fuse. The total cost of fuses for electrical performance.
- the outer tubular body is preferably made of ceramic or glass and the inner tubular body is preferably made of fiberglass, polyester, resin, fiberglass resin and/or melamine; in other specific implementations
- the inner tube body may preferably be made of ceramic or glass and the outer tube body may preferably be made of glass fiber, polyester, resin, glass fiber resin and/or melamine; the outer tube body and The inner and outer diameters of the inner tubular body are sized to facilitate snug fit together; and/or the outer and inner tubular bodies are adhered by an adhesive or adhesive applied therebetween To achieve a fixed and / or close effect.
- the breaking capacity of the fuse (fuse) can be much higher than that of the single-tube fuse; secondly, the cost of the material can be reduced; in addition, the fuse (fuse) can be solved.
- the performance labeling problem eliminates the need to use sticker labels that are more likely to fall off and become damaged.
- the pin copper sleeve and the inner and outer copper sleeves and the like are respectively configured or configured to have an annular/circular shape, but may be used without loss of generality.
- Other shapes and configurations in accordance with the substance of the present disclosure may be understood that portions or components of different exemplary embodiments may be combined and/or mixed with one another, where appropriate, to form other variations without loss of generality.
Landscapes
- Fuses (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE212017000280.8U DE212017000280U1 (de) | 2016-12-22 | 2017-12-20 | Schmelzsicherung |
KR2020197000042U KR200493188Y1 (ko) | 2016-12-22 | 2017-12-20 | 퓨즈 |
JP2019600145U JP3225063U (ja) | 2016-12-22 | 2017-12-20 | ヒューズ |
US16/473,164 US10903032B2 (en) | 2016-12-22 | 2017-12-20 | Fuse |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621417122.1 | 2016-12-22 | ||
CN201621417122.1U CN206893586U (zh) | 2016-12-22 | 2016-12-22 | 熔断器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018116188A1 true WO2018116188A1 (zh) | 2018-06-28 |
Family
ID=61327804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2017/058183 WO2018116188A1 (zh) | 2016-12-22 | 2017-12-20 | 熔断器 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10903032B2 (zh) |
JP (1) | JP3225063U (zh) |
KR (1) | KR200493188Y1 (zh) |
CN (1) | CN206893586U (zh) |
DE (1) | DE212017000280U1 (zh) |
WO (1) | WO2018116188A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200121935A (ko) * | 2019-04-16 | 2020-10-27 | 한국단자공업 주식회사 | 고전압 퓨즈 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110660629A (zh) * | 2019-10-30 | 2020-01-07 | 常州格力博有限公司 | 保险装置 |
US11114266B1 (en) * | 2020-03-31 | 2021-09-07 | Littelfuse, Inc. | Element sub-structure |
JP7429599B2 (ja) * | 2020-05-14 | 2024-02-08 | 豊田鉄工株式会社 | ヒューズ |
US11251008B2 (en) * | 2020-06-01 | 2022-02-15 | Eaton Intelligent Power Limited | High voltage cartridge fuse assembly |
Citations (7)
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CN101685734A (zh) * | 2008-09-26 | 2010-03-31 | 邱鸿智 | 节能环保防爆保险丝及其制造方法 |
CN201667324U (zh) * | 2010-04-16 | 2010-12-08 | 杨光 | 一种填充有焊料的保险管 |
JP2012195207A (ja) * | 2011-03-17 | 2012-10-11 | Kawasoo Tekuseru Kk | 電線ヒューズ |
CN104810223A (zh) * | 2015-04-21 | 2015-07-29 | 浙江银河熔断器有限公司 | 一种太阳能发电保护用熔断器 |
CN205282700U (zh) * | 2016-01-14 | 2016-06-01 | 浙江凯士通端头有限公司 | 一种针形绝缘端子 |
CN205303406U (zh) * | 2015-12-03 | 2016-06-08 | 宁波索力特复合材料有限公司 | 熔断器管 |
CN205692789U (zh) * | 2016-06-02 | 2016-11-16 | 绍兴市科业电器有限公司 | 一种可换芯式熔断器 |
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US1447798A (en) * | 1918-02-28 | 1923-03-06 | Chicago Fuse Mfg Co | Refillable cartridge fuse |
US1443886A (en) * | 1919-04-21 | 1923-01-30 | Cook Frank B Co | Fuse |
US1585646A (en) * | 1919-05-07 | 1926-05-25 | Henry T Bussmann | Electric fuse |
US1349269A (en) * | 1919-10-16 | 1920-08-10 | Guy D Fernandez | Renewable fuse |
US1485822A (en) * | 1920-05-22 | 1924-03-04 | Chicago Fuse Mfg Co | Refillable cartridge fuse |
US1968763A (en) * | 1933-03-14 | 1934-07-31 | John H Hanson | Fuse |
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KR20140029786A (ko) * | 2012-08-30 | 2014-03-11 | 한국단자공업 주식회사 | 고전압 퓨즈 |
KR101447490B1 (ko) * | 2013-05-15 | 2014-10-07 | 전태화 | 고용량 휴즈 |
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US10290458B2 (en) * | 2016-08-24 | 2019-05-14 | Littelfuse, Inc. | Fuse and method of forming a fuse |
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2016
- 2016-12-22 CN CN201621417122.1U patent/CN206893586U/zh active Active
-
2017
- 2017-12-20 JP JP2019600145U patent/JP3225063U/ja active Active
- 2017-12-20 KR KR2020197000042U patent/KR200493188Y1/ko active IP Right Grant
- 2017-12-20 DE DE212017000280.8U patent/DE212017000280U1/de active Active
- 2017-12-20 WO PCT/IB2017/058183 patent/WO2018116188A1/zh active Application Filing
- 2017-12-20 US US16/473,164 patent/US10903032B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101685734A (zh) * | 2008-09-26 | 2010-03-31 | 邱鸿智 | 节能环保防爆保险丝及其制造方法 |
CN201667324U (zh) * | 2010-04-16 | 2010-12-08 | 杨光 | 一种填充有焊料的保险管 |
JP2012195207A (ja) * | 2011-03-17 | 2012-10-11 | Kawasoo Tekuseru Kk | 電線ヒューズ |
CN104810223A (zh) * | 2015-04-21 | 2015-07-29 | 浙江银河熔断器有限公司 | 一种太阳能发电保护用熔断器 |
CN205303406U (zh) * | 2015-12-03 | 2016-06-08 | 宁波索力特复合材料有限公司 | 熔断器管 |
CN205282700U (zh) * | 2016-01-14 | 2016-06-01 | 浙江凯士通端头有限公司 | 一种针形绝缘端子 |
CN205692789U (zh) * | 2016-06-02 | 2016-11-16 | 绍兴市科业电器有限公司 | 一种可换芯式熔断器 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20200121935A (ko) * | 2019-04-16 | 2020-10-27 | 한국단자공업 주식회사 | 고전압 퓨즈 |
KR102697623B1 (ko) | 2019-04-16 | 2024-08-23 | 한국단자공업 주식회사 | 고전압 퓨즈 |
Also Published As
Publication number | Publication date |
---|---|
KR20190001804U (ko) | 2019-07-15 |
US10903032B2 (en) | 2021-01-26 |
US20200090893A1 (en) | 2020-03-19 |
CN206893586U (zh) | 2018-01-16 |
DE212017000280U1 (de) | 2019-07-29 |
KR200493188Y1 (ko) | 2021-02-10 |
JP3225063U (ja) | 2020-02-06 |
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