CN106229241A - Fusing resistor - Google Patents
Fusing resistor Download PDFInfo
- Publication number
- CN106229241A CN106229241A CN201610802098.1A CN201610802098A CN106229241A CN 106229241 A CN106229241 A CN 106229241A CN 201610802098 A CN201610802098 A CN 201610802098A CN 106229241 A CN106229241 A CN 106229241A
- Authority
- CN
- China
- Prior art keywords
- fuse
- link
- terminal
- fusing
- fusing resistor
- 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
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052802 copper Inorganic materials 0.000 claims abstract description 26
- 239000010949 copper Substances 0.000 claims abstract description 26
- 239000002184 metal Substances 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 11
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 239000011159 matrix material Substances 0.000 claims description 5
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 208000012978 nondisjunction Diseases 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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
- H01H85/05—Component parts thereof
- H01H85/055—Fusible members
- H01H85/06—Fusible members characterised by the fusible material
Abstract
The invention discloses a kind of fusing resistor, including: first connects terminal and second connects terminal；Fuse-link, is connected terminal and second respectively and connects terminal connection with first；Wherein, fuse-link is copper, ashbury metal body；The fusing resistor of application technical solution of the present invention, terminal is connected by arranging the first connection terminal and second, connect to be provided with between terminal and the second connection terminal first and be connected terminal and the fuse-link of the second connection terminal connection respectively with first, fuse-link is copper, ashbury metal body, use copper, breakpoint is not had on the fuse-link of ashbury metal body, can accurately determine the resistivity of fuse-link, so that it is determined that its fusing-off temperature and fusing time, solve the heat that electric fuse of the prior art produces wayward and then cause fusing-off temperature and the uppity problem of fusing time, it is effectively increased the safety of circuit work, the voltage range of work is greatly improved simultaneously, extend the range of fusing resistor.
Description
Technical field
The present invention relates to field of electrical equipment, in particular to a kind of fusing resistor.
Background technology
Electric fuse is the safety device that electric power transmission field is conventional, and the fuse of traditional electric fuse is at glass tubing or pottery
Coordinate end cap and lead-in wire inside pipe again, during curent change its resistance produce heat wayward so that fusing time point
Scattered property is too big, and the safety of use is substantially reduced.
Summary of the invention
Present invention is primarily targeted at a kind of fusing resistor of offer, at least to solve the product of electric fuse in prior art
Raw heat is wayward and then causes fusing-off temperature and the uppity problem of fusing time.
To achieve these goals, according to the present invention, it is provided that a kind of fusing resistor, including: first connect terminal and
Second connects terminal；Fuse-link, is connected terminal and second respectively and connects terminal connection with first；Wherein, fuse-link is copper, stannum conjunction
Jin Ti.
Further, the first connection terminal and second connects terminal is fine copper matrix.
Further, first connects terminal, the second connection terminal and fuse-link is formed in one, and fuse-link uses and oozes stannum work
Skill forms copper, ashbury metal body.
Further, fuse-link is straight rod-shaped.
Further, fuse-link is " V " font.
Further, fuse-link is " Z " font.
Further, fuse-link is serpentine.
Further, fuse-link is plates, and fuse-link offers multiple through hole along its thickness direction.
Further, fusing resistor also includes: insulation crust, is arranged on the first connection terminal and second and connects terminal
One end, the first at least part of and fuse-link connecting terminal and the second connection terminal is positioned at insulation crust.
Further, insulation crust offers passage.
The fusing resistor of application technical solution of the present invention, connects terminal by arranging the first connection terminal and second,
First connects terminal and second connects and is provided with melting of being connected that terminal and second connects that terminal connects respectively with first between terminal
Disconnected body, fuse-link is copper, ashbury metal body, uses and does not has breakpoint on the fuse-link of copper, ashbury metal body, can accurately determine fuse-link
Resistivity, so that it is determined that its fusing-off temperature and fusing time, solve the heat that electric fuse of the prior art produces and be difficult to
Control and then cause fusing-off temperature and the uppity problem of fusing time, being effectively increased the safety of circuit work, simultaneously
The voltage range of work is greatly improved, extends the range of fusing resistor.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this
Bright schematic description and description is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the most optional a kind of fusing resistor；
Fig. 2 is the structural representation of optional the second fusing resistor according to embodiments of the present invention；
Fig. 3 is the structural representation of the third fusing resistor optional according to embodiments of the present invention；
Fig. 4 is the structural representation of the most optional 4th kind of fusing resistor；
Fig. 5 is the structural representation of the most optional 5th kind of fusing resistor；
Fig. 6 is that the stannum procedure structure that oozes of optional fuse-link according to embodiments of the present invention changes schematic diagram；
Fig. 7 is resistance value distribution and the fusing time of the fuse-link of optional fusing resistor according to embodiments of the present invention
Corresponding relation figure；
Fig. 8 is that the fuse-link of optional fusing resistor according to embodiments of the present invention is in the case of normal work and non-disjunction
Current vs's schematic diagram；
Fig. 9 is the structure change signal in fusing process of the fuse-link of optional fusing resistor according to embodiments of the present invention
Figure；
Figure 10 is the fuse-link of optional fusing resistor according to embodiments of the present invention curent change in fusing process
Schematic diagram；And
Figure 11 is the fuse-link of optional fusing resistor according to embodiments of the present invention variations in temperature in fusing process
Schematic diagram.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, first connects terminal；20, second connects terminal；30, fuse-link；40, insulation crust；41, passage.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of present invention protection
Enclose.
Fusing resistor according to embodiments of the present invention, as shown in Figures 1 to 5, including: first connects terminal 10, second
Connect terminal 20 and fuse-link 30；Fuse-link 30 is connected terminal 10 respectively with first and the second connection terminal 20 connects；Wherein, molten
Disconnected body 30 is copper, ashbury metal body.
The fusing resistor of application technical solution of the present invention, connects terminal by arranging the first connection terminal 10 and second
20, it is provided with between the first connection terminal 10 and the second connection terminal 20 and is connected terminal 10 and the second connection end respectively with first
The fuse-link 30 that son 20 connects, fuse-link 30 is copper, ashbury metal body, uses and does not has breakpoint on the fuse-link 30 of copper, ashbury metal body,
Can accurately determine the resistivity of fuse-link 30, so that it is determined that its fusing-off temperature and fusing time, solve of the prior art
The heat that electric fuse produces is wayward and then causes fusing-off temperature and the uppity problem of fusing time, is effectively increased electricity
The safety of road work, is greatly improved the scope of running voltage simultaneously, extends the range of fusing resistor.
In order to ensure the first connection terminal 10 and electric conductivity of the second connection terminal 20, alternatively, first connects terminal 10
Being fine copper matrix with the second connection terminal 20, fine copper matrix has good electric conductivity, and resistance value is stable, it is low to be lost.First
Connecting terminal the 10, second connection terminal 20 and fuse-link 30 uses fine copper one-body molded, fuse-link 30 uses and oozes process of tin infiltration
A small amount of stannum forms copper, ashbury metal body, and fuse-link 30 part does not has any breakpoint, and its concordance is dependent only on fuse-link 30 material
The resistivity of material and shape, design simple, and reliability is high.
According to penetrate into stannum amount number can accurately control the resistance value of fuse-link 30, may thereby determine that fusing-off temperature
And fusing time, it is ensured that can also normally fuse at low temperatures.When different electric currents flows through fuse-link 30, its resistance can occur
Change, produces heat simultaneously, fuses when temperature reaches predetermined temperature, protects late-class circuit, it is ensured that safety.
Usually the fusing point of metallic copper is the highest, typically can reach 1083.4 degrees Celsius, by fuse-link 30
Part is penetrated into stannum and the reaction temperature melted can be controlled to start to melt at 150-170 degree Celsius.Ooze fuse-link 30 during stannum
Structure changes as shown in Figure 6, and when just starting, Copper substrate and stannum ball are all solid, shaped；Along with the rising of temperature, enter second-order
Section, Copper substrate is still solid, and it is liquid that stannum ball starts to melt, and starts to be diffused to Copper substrate；When entering the phase III,
It is liquid that part copper matrix also begins to melt, and stannum ball continues to spread to Copper substrate, and both mixing unit are solid and liquid；?
Latter stage, Copper substrate and stannum ball form liquid alloy completely, wait and can form copper, the fuse-link 30 of stannum conjunction after cooling.
In addition to crossing the material of fuse-link 30, can also accurately control fusing by fuse-link 30 being designed as different shapes
The resistance value of body 30.According to different fusing-off temperatures and fusing time requirement, alternatively, as shown in Figures 1 to 5, fuse-link 30
Can be straight rod-shaped, " V " font, " Z " font, serpentine.It addition, fuse-link 30 can also be plates, the fuse-link 30 of lamellar
Multiple through hole is offered along its thickness direction.The shape of different fuse-links 30 has difference under quiescent current and dynamic current
Resistance value, can select as required.
As it is shown in fig. 7, by substantial amounts of mathematical statistics and design of Simulation can obtain the resistance value distribution of fuse-link 30 with
The corresponding relation of fusing time, such that it is able to judge the fusing time of fusing resistor according to the difference of fuse-link 30 resistance value.
By fusing time and the corresponding relation of fuse-link 30 resistance value, can be designed that the fusing resistor of different fusing times,
Reach to be accurately controlled the effect of product parameters.
The operation principle of fuse-link 30 is: component damage when generally circuit breaks down, and causes short circuit, at this moment electricity
Source will be shorted causes immediate current to be increased dramatically, and device element is burnt further, can send out with the phenomenon caught fire of smoldering
Raw.The generation avoiding these risk factors seeks to limit electric current and wants safe breaking current.As shown in Figure 8, solid line
Part is electric current during normal work, when dotted portion is not use fusing resistor or fusing resistor the most normally to work
Electric current.
If fuse-link 30 does not fuses, electric current can be very big at moment impact, and generally more than ten times of rated current, holds very much
Easily catch fire.If but fuse-link 30 works, becoming the fusing of big moment at resistance will be fault current limitation at the model of safety
Within enclosing, the fuse-link 30 of the present embodiment can disconnect, generally for 50Hz in less than the half period of running current
Its break of power supply be 10ms, its break of power supply for 60Hz is 8.3ms, it is possible to quickly play disconnecting circuit,
The effect of protection late-class circuit.
Fuse-link 30 is divided into two stages when specific works, as shown in Figure 9 and Figure 10, at first stage, i.e. at t1
To the t2 time period, the resistance of fuse-link 30 starts to change, and the heat energy of generation is I2Produce in RT, t1 to the t2 time period
Heat energy can calculate in the way of using integration.The resistance of fuse-link 30 can be gradually increased along with the rising of temperature, and resistance increases
The heat resulted in greatly increases further, and this is the process of a positive feedback, and fuse-link 30 is changed to liquid by solid-state, finally
Deliquescing can become liquid state；In second stage, i.e. within t2 to the t3 time period, the alloy body of liquid state is due to the effect of gravity
The body of fuse-link 30 can be departed from, at this moment will form the sparking time by ionized air, between two sections of fuse-links 30, start arcing also
Continue calcination fuse-link 30 below, can disconnect completely afterwards with crack sound and flash of light, form the protection of safety
Gap, the voltage of power supply is all added in the first connection terminal 10 and second and connects on terminal 20.
As shown in figure 11, for the fuse-link 30 variations in temperature in fusing process.
Different operating chacteristics as shown in the table, that show under different electric currents for fuse-link 30.
In order to effectively insulate, thus convenient use, as shown in Figures 1 to 5, connect terminal 10 and second first and connect
One end of connecting terminal 20 is provided with insulation crust 40, and first connects terminal 10 and second connects at least part of and molten of terminal 20
Disconnected body 30 is positioned at insulation crust 40, forms cavity body structure in insulation crust 40, and fuse-link 30 is positioned in cavity body structure, outside insulation
The passage 41 connected with internal cavity body structure is offered on the shell wall of shell 40, so that fuse-link 30 exposes in atmosphere,
The heat produced when fuse-link 30 fuses can be distributed to outside by passage 41, it is ensured that the heat produced during fusing can be pacified
Entirely release, it is ensured that whole circuit will not produce bright cigarette naked light, it is ensured that the safest disjunction of fuse-link 30, after protection one
The safety of level circuit.
By the selection of fuse-link 30 material, structure are designed and designed the structure of insulation crust 40, can make to melt
The design voltage of fuse resistor reaches 250VDC/AC, it might even be possible to reach 350V, fully meets protection under power-frequency voltage and uses.
Meanwhile, different structures adds up to and material selects to meet different current requirements, and design current can be from 40mA to up to a hundred
Ampere.
Below it is only the preferred embodiment of the present invention, it is noted that those skilled in the art are come
Saying, under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (10)
1. a fusing resistor, it is characterised in that including:
First connects terminal (10) and second connects terminal (20)；
Fuse-link (30), is connected terminal (10) and described second respectively and connects terminal (20) connection with described first；
Wherein, described fuse-link (30) is copper, ashbury metal body.
Fusing resistor the most according to claim 1, it is characterised in that described first connects terminal (10) and described second
Connecting terminal (20) is fine copper matrix.
Fusing resistor the most according to claim 2, it is characterised in that described first connect terminal (10), described second
Connecting terminal (20) and described fuse-link (30) is formed in one, described fuse-link (30) uses and oozes process of tin formation copper, stannum conjunction
Jin Ti.
Fusing resistor the most according to claim 1, it is characterised in that described fuse-link (30) is straight rod-shaped.
Fusing resistor the most according to claim 1, it is characterised in that described fuse-link (30) is " V " font.
Fusing resistor the most according to claim 1, it is characterised in that described fuse-link (30) is " Z " font.
Fusing resistor the most according to claim 1, it is characterised in that described fuse-link (30) is serpentine.
Fusing resistor the most according to claim 1, it is characterised in that described fuse-link (30) is plates, described molten
Disconnected body (30) offers multiple through hole along its thickness direction.
Fusing resistor the most according to claim 1, it is characterised in that described fusing resistor also includes:
Insulation crust (40), is arranged on described first one end connecting terminal (10) and described second connection terminal (20), described
The first at least part of and described fuse-link (30) connecting terminal (10) and described second connection terminal (20) be positioned at described absolutely
In edge shell (40).
Fusing resistor the most according to claim 9, it is characterised in that described insulation crust offers ventilation on (40)
Hole (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802098.1A CN106229241A (en) | 2016-08-29 | 2016-08-29 | Fusing resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610802098.1A CN106229241A (en) | 2016-08-29 | 2016-08-29 | Fusing resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106229241A true CN106229241A (en) | 2016-12-14 |
Family
ID=58075287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610802098.1A Pending CN106229241A (en) | 2016-08-29 | 2016-08-29 | Fusing resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229241A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09223451A (en) * | 1996-02-19 | 1997-08-26 | Daito Tsushinki Kk | Fuse and manufacture thereof |
| US5736920A (en) * | 1996-02-07 | 1998-04-07 | Cooper Industries, Inc. | Miniature female fuse with low melting temperature fusible link |
| JPH11185596A (en) * | 1997-12-19 | 1999-07-09 | Daito Tsushinki Kk | Fuse |
| JP2003123618A (en) * | 2001-10-16 | 2003-04-25 | Daito Communication Apparatus Co Ltd | Fuse |
| JP2004043894A (en) * | 2002-07-11 | 2004-02-12 | Uchihashi Estec Co Ltd | Alloy type thermal fuse and wire member for thermal fuse element |
| JP2004127523A (en) * | 2002-08-05 | 2004-04-22 | Auto Network Gijutsu Kenkyusho:Kk | Fuse element for automobile having arc restraining function |
| JP2004176106A (en) * | 2002-11-26 | 2004-06-24 | Uchihashi Estec Co Ltd | Alloy type thermal fuse, and material for thermal fuse element |
| CN101794692A (en) * | 2010-01-28 | 2010-08-04 | 洪湖市蓝光电子有限责任公司 | Alloy type thermal fusing body made of temperature fuse wire containing rare-earth elements of lanthanum and cerium |
| CN202839462U (en) * | 2012-09-29 | 2013-03-27 | 厦门莱纳电子有限公司 | High temperature resisting and aging resisting thermal-link |
| CN103440943A (en) * | 2013-09-02 | 2013-12-11 | 张大军 | Wire-wound thermal fuse resistor |
| US20150371802A1 (en) * | 2013-02-05 | 2015-12-24 | Pacific Engineering Corporation | Blade fuse |
| CN205984870U (en) * | 2016-08-29 | 2017-02-22 | 杜尧生 | Fuse resistor |
-
2016
- 2016-08-29 CN CN201610802098.1A patent/CN106229241A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5736920A (en) * | 1996-02-07 | 1998-04-07 | Cooper Industries, Inc. | Miniature female fuse with low melting temperature fusible link |
| JPH09223451A (en) * | 1996-02-19 | 1997-08-26 | Daito Tsushinki Kk | Fuse and manufacture thereof |
| JPH11185596A (en) * | 1997-12-19 | 1999-07-09 | Daito Tsushinki Kk | Fuse |
| JP2003123618A (en) * | 2001-10-16 | 2003-04-25 | Daito Communication Apparatus Co Ltd | Fuse |
| JP2004043894A (en) * | 2002-07-11 | 2004-02-12 | Uchihashi Estec Co Ltd | Alloy type thermal fuse and wire member for thermal fuse element |
| JP2004127523A (en) * | 2002-08-05 | 2004-04-22 | Auto Network Gijutsu Kenkyusho:Kk | Fuse element for automobile having arc restraining function |
| JP2004176106A (en) * | 2002-11-26 | 2004-06-24 | Uchihashi Estec Co Ltd | Alloy type thermal fuse, and material for thermal fuse element |
| CN101794692A (en) * | 2010-01-28 | 2010-08-04 | 洪湖市蓝光电子有限责任公司 | Alloy type thermal fusing body made of temperature fuse wire containing rare-earth elements of lanthanum and cerium |
| CN202839462U (en) * | 2012-09-29 | 2013-03-27 | 厦门莱纳电子有限公司 | High temperature resisting and aging resisting thermal-link |
| US20150371802A1 (en) * | 2013-02-05 | 2015-12-24 | Pacific Engineering Corporation | Blade fuse |
| CN103440943A (en) * | 2013-09-02 | 2013-12-11 | 张大军 | Wire-wound thermal fuse resistor |
| CN205984870U (en) * | 2016-08-29 | 2017-02-22 | 杜尧生 | Fuse resistor |
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