CN104576252A - Surface-adhering fuses and structures of surface-adhering fuses - Google Patents
Surface-adhering fuses and structures of surface-adhering fuses Download PDFInfo
- Publication number
- CN104576252A CN104576252A CN201410549290.5A CN201410549290A CN104576252A CN 104576252 A CN104576252 A CN 104576252A CN 201410549290 A CN201410549290 A CN 201410549290A CN 104576252 A CN104576252 A CN 104576252A
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- Prior art keywords
- earthenware
- fuse
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- welding ring
- electrode
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Classifications
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- 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
-
- 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
- H01H85/147—Parallel-side 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
- H01H85/17—Casings characterised by the casing material
Landscapes
- Fuses (AREA)
Abstract
The invention discloses surface-adhering fuses and structures of the surface-adhering fuses. Each surface-adhering fuse comprises a ceramic tube, a pair of sealing electrodes arranged at two ends of each ceramic tube, and a fuse unit arranged in the ceramic tube and electrically connected to the above sealing electrodes. Each fuse unit comprises a non-electric conductivity element, multiple terminal electrodes arranged at two ends of the non-electric conductivity element, fusible elements electrically connected to the terminal electrodes and multiple welding rings arranged between the above ceramic tube and each sealing electrode. By fusion of the welding rings, the ceramic tube and the sealing electrodes are joined. Due to the fact that non-electric conductivity elements are formed by ceramic material with better mechanical strength and ceramic tubes are utilized and the welding rings are used for joining the ceramic tubes and the sealing electrodes, durability of the fuses is greatly improved. The characteristic of time delay is improved so that the fuses can be stably operated to high voltage.
Description
Technical field
The present invention relates to surface to against formula fuse and there is the structure that surface againsts formula fuse, particularly relate to the fuse of high durability, this is because use, there is the non-conductive element and earthenware that high mechanical properties is made up of ceramic material, earthenware engages by welding ring with enclosed electrode, and by improving time delay characteristic and production method, earthenware stably can use at high voltage.
Background technology
Fuse is arranged among electronic installation usually, such as television set, computer, cassette broadcast receiver, compact electronic device and like.When overvoltage applies wherein, fuse meeting fuse breaking power transimission, avoids circuit and electronic component to be injured by overvoltage.
Under normal circumstances, even if maximum rated voltage is applied on fuse, fuse does not also allow to produce a large amount of heat, should not be blown (disconnection) (blown out) yet.Fuse only can be blown in abnormal cases.Fuse need have splendid time delay characteristic, when the of short duration high voltage being such as surge voltage passes through on it, protects it not to be blown.
Figure 10 is the end view of existing fuse.With reference to Figure 10, korean patent application notification number be 1992-0007019 (being published on April 28th, 1992) patent discloses a kind of fuse, its manufacture method is, insert the temporary casing 6 that one end has bend 7, and use center of inside to have the glass tube 1 of filament 2 at one end to interlock with spiral organ on silicon (silicon creeper) 8; Return temporary casing 6, the filament 2 in glass tube 1 is aimed at, and the filament 2 ' in movable glass pipe 1, the filament 2 temporarily in alignment glass tube 1, forms diagonal; The metal cap 3 with lead 4 is arranged at glass tube 1 two ends, uses soldering iron 9 metal cap 3 to be welded on filament 2 two ends of temporarily aliging at glass tube 1, form diagonal.
But this existing fuse, uses glass tube, and glass tube solder joints, so durability is very low.In addition, because lead is inserted in glass tube, so filament length is limited.Therefore, existing filament cannot provide time enough to postpone for high voltage operation.
Summary of the invention
Therefore, because the problems referred to above, the invention provides a kind of fuse, because use the ceramic material with better mechanical strength to form non-conductive element and use welding ring to come bonding ceramic pipe and each enclosed electrode, so surface of the present invention againsts formula fuse have better durability, the present invention also provides this surface to against the manufacture method of formula fuse.
The invention provides a kind of fuse, because the fusible element being wrapped in non-conductive component outer surface has sufficient length and enough numbers of turn, time delay characteristic can be enhanced, so surface againsts formula fuse stably operable in high voltage, the present invention also provides this surface to against the manufacture method of formula fuse.
The invention provides and a kind ofly can improve the wet characteristic of welding ring and the fuse of bond strength, it is reached by forming electrodeposited coating in welding junction, and the present invention also provides the manufacture method of this fuse.
The invention provides a kind of fuse, fuse comprises earthenware; A pair enclosed electrode, is arranged at earthenware two ends; Fuse unit, is arranged among earthenware, is electrically connected to enclosed electrode, and comprises non-conductive element, be arranged at the termination electrode at non-conductive element two ends and be electrically connected at the fusible element of termination electrode; And multiple welding ring, be arranged between earthenware and each enclosed electrode.By melting T-Ring, earthenware is engaged with enclosed electrode.
Non-conductive element can be cylindrical, is made up of ceramic material, and fusible element is wound in the outer surface of non-conductive element.
Welding ring can comprise the alloy of cupric (Cu), silver (Ag) and zinc (Zn).
Each enclosed electrode comprises contact site, and contact site is towards ceramic tube inside projection and be inserted into earthenware and contact with fuse unit; And junction portion, junction portion engages with welding ring.
The outer surface of welding ring is arranged at part contour with the outer surface of earthenware, and the inner surface of welding ring is arranged at and extends to part more inner than the inner edge of earthenware towards ceramic tube inside.
Welding ring comprises the outside engaged with this earthenware one end and the inside engaged with fuse unit one end.
Surface againsts formula fuse and also comprises multiple soldered elements, and soldered elements can melt between contact site and each termination electrode, and contact site and termination electrode is bonded together.
Surface againsts the electrodeposited coating that formula fuse also comprises nickeliferous (Ni) or titanium (Ti), electrodeposited coating be formed at contact site, junction portion and termination electrode at least one on, and improve bond strength by the fusion process of welding ring or soldered elements.
The invention provides and a kind of there is the structure that surface againsts formula fuse, comprise substrate; Solder sphere is arranged on substrate, and surface againsts formula fuse is connected to solder sphere, and wherein surface againsts formula fuse and comprises earthenware; A pair enclosed electrode, is arranged at earthenware two ends; Fuse unit, is arranged among earthenware, is electrically connected to enclosed electrode, and comprises non-conductive element, be arranged at the termination electrode at non-conductive element two ends and be electrically connected at the fusible element of termination electrode; And multiple welding ring, be arranged between earthenware and each enclosed electrode.By melting T-Ring, earthenware is engaged with enclosed electrode.
Accompanying drawing explanation
Figure 1A to Fig. 1 C is the end view of fuse unit of the present invention;
Fig. 2 is the end view that surface disclosed in first embodiment of the invention againsts formula fuse;
Fig. 3 is the decomposition side view that surface disclosed in first embodiment of the invention againsts formula fuse;
Fig. 4 is the end view that the surface of second embodiment of the invention againsts formula fuse;
Fig. 5 is the end view that the surface of third embodiment of the invention againsts formula fuse;
Fig. 6 is the end view that the surface of fourth embodiment of the invention againsts formula fuse;
Fig. 7 A and Fig. 7 B is the end view that the surface of fifth embodiment of the invention againsts formula fuse;
Fig. 8 A to Fig. 8 F is the end view of one embodiment of the invention, and it illustrates that surface againsts the manufacture method of formula fuse;
Fig. 9 A and Fig. 9 B is the end view that surface of the present invention againsts that formula fuse is arranged on substrate surface; And
Figure 10 is the end view of existing fuse structure.
Critical piece Reference numeral:
1 glass tube
2,2 ' filament
3 metal caps
4 lead-in wires
6 temporary casings
7 bends
9 soldering iron
10 substrates
11 solder sphere
12 solders
100,100a, 100b, 100c, 100d surface againsts formula fuse
110,110a, 110b fuse unit
111 non-conductive elements
115,115a, 115b fusible element
117,117a termination electrode
120 earthenwares
130,130b, 135 enclosed electrodes
131 junction portions
133,133a contact site
150 welding ring
150a, 150b, 150c welding ring
151 outer surfaces
152 inner surfaces
153 is outside
154 is inner
155 welding ring
160 soldered elements
180,181,183,185 electrodeposited coatings
C chamber
G gap
Embodiment
The present invention is as follows by accompanying drawings.
When the detailed description of correlation technique can be avoided optionally obscuring subject matter of the present invention, its description will be omitted.In addition, following term, function of the present invention is considered in its definition, and when this depends on intention or the judicial precedent of user, term may be changed.Therefore, based on whole disclosures of this specification, the implication of each term should be explained.
Figure 1A to Fig. 1 C is the end view of fuse unit of the present invention.Fig. 2 is the end view that the surface of first embodiment of the invention againsts formula fuse.Fig. 3 is the decomposition side view that the surface of first embodiment of the invention againsts formula fuse.
As shown in Figure 1A to Fig. 3, surface disclosed by the invention againsts formula fuse 100 and generally includes earthenware 120, enclosed electrode 130, fuse unit 110 and welding ring 150.
For example, surface of the present invention againsts formula fuse 100 and comprises inert gas filled earthenware 120 in it; A pair enclosed electrode 130, enclosed electrode 130 is arranged at earthenware 120 two ends; Fuse unit 110, fuse unit 110 to be arranged among earthenware 120 and to be electrically connected with enclosed electrode 130, and comprises fusible element 115; And welding ring 150, welding ring 150 is sealed between earthenware 120 and each enclosed electrode 130.
With reference to Figure 1A, fuse unit 110 disclosed by the invention comprises non-conductive element 111; Termination electrode 117, termination electrode 117 is arranged at non-conductive element 111 two ends; And fusible element 115, fusible element 115 and termination electrode 117 are electrically connected.
Non-conductive element 111 can be cylindrical, and can be made up of the ceramic material such as aluminium.In addition, fusible element 115 is arranged at the outer surface of non-conductive element 111.
Termination electrode 117 can be made up of copper alloy and be arranged at non-conductive element 111 two ends to be electrically connected enclosed electrode 130 and fuse unit 110.
Fusible element 115 is helically wound around the outer surface of non-conductive element 111.Because the length of fusible element 115 is also longer than the length of fusible element 115a and 115b of Figure 1B and Fig. 1 C, be not improved by the time delay characteristic that surge voltage blows so protection surface againsts formula fuse 100.Therefore, surface againsts formula fuse 100 stably operable in the high voltage being such as 250 volts (or higher).
When overcurrent puts on fusible element 115, fusible element 115 is fused (disconnection).In addition, for example, fusible element 115 can by copper, silver, Kufil, monel, dilval, copper electroplate, iron, chromium (Cr), and principal component is the ferroalloy of nickel.
In addition, with reference to Figure 1B, fuse unit 110a of the present invention comprises the non-conductive element 111 of hollow cylindrical; Termination electrode 117, termination electrode 117 is arranged at non-conductive element 111 two ends; And fusible element 115a, fusible element 115a are electrically connected to termination electrode 117 and through non-conductive element 111, and fix by solder 12.
In addition, with reference to Fig. 1 C, fuse unit 110b of the present invention comprises non-conductive element 111; Termination electrode 117, termination electrode 117 is arranged at non-conductive element 111 two ends; And fusible element 115b, fusible element 115b are alongst arranged at non-conductive element 111 outer surface, to be electrically connected at termination electrode 117.
Therefore, fuse unit 110 disclosed by the invention, 110a and 110b can be formed with various shape, need depending on the purposes of product and specific.
Earthenware 120 disclosed by the invention has cylindrical shell and is made up of ceramic material.Columned earthenware 120 two ends have enclosed electrode 130 and are sealed with enclosed electrode 130.In addition, the two ends of earthenware 120 are fitted together by welding junction and enclosed electrode 130.
As above-mentioned, enclosed electrode 130 is arranged at earthenware 120 two ends.
In addition, for example, enclosed electrode 130 can be made up of copper alloy.
For example, each enclosed electrode 130 can comprise contact site 133, and contact site 133 is towards earthenware 120 internal protrusion and insert earthenware 120 and contact with the junction portion 131 being engaged in welding ring 150 with fuse unit 110.
Because the contact site 133 of enclosed electrode 130 is towards inner process, so enclosed electrode 130 can be assembled in welding ring 150 or earthenware 120 effectively.Because the fuse unit 110 in earthenware 120 can be extruded in welding process, the electric connection between enclosed electrode 130 and contact site 133 can be enhanced.
Welding ring 150 of the present invention can melt between earthenware 120 and each enclosed electrode 130, as filler metal, enclosed electrode 130 when welding as the base metal connecting earthenware 120 and enclosed electrode 130.
For example, welding ring 150 can be made up of the alloy comprising copper, silver and zinc.
In addition, welding processing procedure carries out with the temperature higher than the fusing point of welding ring 150, and as filler metal, and the temperature lower than the fusing point of earthenware 120 and enclosed electrode 130 is carried out, as base metal.
Be used for representing that the wet characteristic of affinity between filler metal and base metal is the key factor of impact welding junction.In other words, when the wet characteristic of the welding ring between earthenware 120 and enclosed electrode 130 is not good, junction therebetween just cannot be formed.Therefore, the present invention uses has the ceramic material of splendid wet characteristic and filler metal forms the earthenware 120 holding fuse unit 110, and the not good glass material of non-usage wet characteristic and filler metal form earthenware.
In addition, because welding ring 150 capillarity can occur when melting on the surface of earthenware 120 and enclosed electrode 130, so use the welding junction of welding ring 150 to have preferably bond strength and have splendid shock-resistance features (as vibrations or other physical phenomenons).
Meanwhile, the outer surface 151 of welding ring 150 is arranged at part contour with the outer surface of earthenware 120, and the inner surface 152 of welding ring 150 is arranged at and extends to part more inner than earthenware 120 inner edge towards earthenware 120 inside.
As mentioned above, because earthenware 120 is formed with the ceramic material of better mechanical strength, and use welding ring 150 to come bonding ceramic pipe 120 and each enclosed electrode 130, so to against formula fuse 100 durability better on surface disclosed by the invention, surface againsts formula fuse 100 stably operable in high voltage.
Fig. 4 is the end view that the surface of second embodiment of the invention againsts formula fuse 100a.
With reference to Fig. 4, surface of the present invention againsts formula fuse 100a and also comprises soldered elements 160, and each contact site 133 couples together with each termination electrode 117 by soldered elements 160.
For example, soldered elements 160 can be plate shape and can be made up of the alloy comprising copper, silver and zinc.
As welding ring 150, soldered elements 160 can melt between contact site 133 and termination electrode 117, and contact site 133 and termination electrode 117 is bonded together.
Therefore, by soldered elements 160, fuse unit 110 can engage more securely with enclosed electrode 130, improves the durability that surface againsts formula fuse 100a whereby.
Fig. 5 is the end view that the surface of third embodiment of the invention againsts formula fuse 100b.
With reference to Fig. 5, the welding ring 150a that surface disclosed by the invention againsts formula fuse 100b all engages with earthenware 120 and fuse unit 110.
In other words, welding ring 150a comprises the outside 153 engaged with earthenware 120 one end; And the inside 154 of (such as termination electrode 117) is engaged with fuse unit 110 one end.
Therefore, the thickness of welding ring 150a can be more than or equal to the thickness of contact site 133a.This is because when the thickness of welding ring 150a is greater than the thickness of contact site 133a, welding ring 150a can engage with earthenware 120 and termination electrode 117 after being melted down.
In addition, the inside 154 compared to the welding ring 150, welding ring 150a of Fig. 2 extends towards more inner part, and compared to the contact site 133 of Fig. 2, the width of contact site 133a is narrower.
Fig. 6 is the end view that the surface of fourth embodiment of the invention againsts formula fuse 100c.
With reference to Fig. 6, surface disclosed by the invention againsts formula fuse 100c and also comprises electrodeposited coating 180, to improve welding ring 150 or the wet characteristic between soldered elements 160 and base metal.
For example, electrodeposited coating 180 (181,183 and 185) be formed at contact site 133, junction portion 131 and termination electrode 117 at least one on, to improve the bond strength of welding ring 150 or soldered elements 160, by fusion process.
In addition, electrodeposited coating 180 can comprise nickel or titanium, and can be made up of the chemical combination such as by Ni3P.
Fig. 7 A and Fig. 7 B is the end view that the surface of fifth embodiment of the invention againsts formula fuse 100d.
With reference to Fig. 7 A and Fig. 7 B, each enclosed electrode of the present invention 130b has flat panel contours, and without outstanding contact site, this feature is different from the enclosed electrode shown in Fig. 1 to Fig. 6.
In addition, welding ring 150b has flat panel contours, can engage (Fig. 7 A) with earthenware 120 one end and termination electrode 117 simultaneously.
In addition, welding ring 150c has cavity ring profile, and enclosed electrode 130b is directly contacted (Fig. 7 B) with termination electrode 117.
The manufacture method that a kind of surface disclosed by the invention againsts formula fuse will be described in detail below.
Fig. 8 A to Fig. 8 F is the end view of one embodiment of the invention, and it illustrates that surface againsts the manufacture method of formula fuse 100.
As mentioned above, the surface that manufacture method disclosed in this invention is formed againsts formula fuse 100 and comprises earthenware 120, fuse unit 110 arranges wherein, first enclosed electrode 130 and the second enclosed electrode 135 insert the two ends of earthenware 120 respectively and are connected with fuse unit 110, and the first welding ring 150 and the second welding ring 155 are connected earthenware 120 and the first enclosed electrode 130 and the second enclosed electrode 135 respectively.
First, with reference to Fig. 8 A, in step S1, the first enclosed electrode 130 is formed.First enclosed electrode 130 comprises contact site 133, contact site 133 towards earthenware 120 inner projection and be inserted into earthenware 120 and and fuse unit 110 engage; And junction portion 131, junction portion 131 engages with welding ring 150.
Therefore, with reference to Fig. 8 B, in step S2, the first welding ring 150 and earthenware 120 are sequentially stacked on the first enclosed electrode 130.
First welding ring 150 is arranged on the junction portion 131 of the first enclosed electrode 130, and earthenware 120 is arranged on the first welding ring 150.
Therefore, with reference to Fig. 8 C, in step S3, fuse unit 110 is inserted among earthenware 120.
Fuse unit 110 comprises non-conductive element 111; First end electrode 117 and the second termination electrode 117a, first end electrode 117 and the second termination electrode 117a are arranged at non-conductive element 111 two ends; And fusible element 115, fusible element 115 is electrically connected at first end electrode 117 and the second termination electrode 117a.
Fuse unit 110 after insertion, its first end electrode 117 is arranged on the contact site 133 of the first enclosed electrode 130.Clearance G or space is formed between the inner surface and non-conductive element 111 of first end electrode 117.When the second enclosed electrode 135 engages (as aftermentioned), and by the welding processing procedure described in step S5, the pressure be applied thereto can allow clearance G or space disappear.Clearance G or space naturally or artificially can be formed in the assembling process of fuse unit 110.
Then, with reference to Fig. 8 D, in step S4, the second welding ring 155 and the second enclosed electrode 135 are sequentially stacked on earthenware 120.
Before welding junction, by step S1 to step S4, assembling surface againsts formula fuse 100.
Then, the surface of experience step S1 to step S4 is against formula fuse 100 to be arranged among cavity C, and in step S5, by melting the first welding ring 150 and the second welding ring 155, earthenware 120 and the first enclosed electrode 130 and the second enclosed electrode 135 are sealed.
Step S5 can within it carry out in inert gas filled cavity C, and earthenware 120 inside after sealing is filled with inert gas.In addition, inert gas avoids fuse unit 110 be oxidized and improve durability.
Surface againsts formula fuse 100 and is vertically inserted the cavity C (Fig. 8 E) of longitudinally standing.Heated chamber C, to melt the first welding ring 150 and the second welding ring 155, completes junction (Fig. 8 F) whereby.
Cavity C is heated to the temperature also lower with the fusing point of earthenware 120 than the first enclosed electrode 130, second enclosed electrode 135 (the first and second enclosed electrodes are as base metal), dissociates to avoid base metal.Temperature-visualized first welding ring 150 of heating and the material of the second welding ring 155 adjust in the scope of 500 DEG C to 850 DEG C.For example, when the composition of the first welding ring 150 and the second welding ring 155 is that when comprising copper and silver-colored alloy (such as Ag25Cu), cavity C is heated to 800 DEG C to 850 DEG C.The material that can not blow after fusible element 115 can weld is formed, for example, and monel or dilval.
In addition, when the first welding ring 150 and the second welding ring 155 are made up of the alloy of argentiferous, copper, zinc and tin, such as Ag56CuZnSn, the temperature of welding is between 600 DEG C to 650 DEG C.Therefore, except monel or dilval, fusible element 115 also can be formed by 800 DEG C to the 850 DEG C copper blown, silver and Kufil.
In other words, by the scope welding temperature of the first welding ring 150 and the second welding ring 155 being reduced to 600 DEG C to 650 DEG C by the scope of 800 DEG C to 850 DEG C, the essential element of existing fusible element also can use, such as copper, silver, Kufil and similar alloy.Therefore, the constitution element of fuse has a lot of selection.In addition, when 800 DEG C (or higher), fusible element 115 even without being blown, its also can by heat deterioration.But when welding process is carried out at the relative low temperature of 600 DEG C to 650 DEG C, the usefulness caused because of heat and quality badness will reduce.
Then, the first welding ring 150 after heating and the second welding ring 155 melt the surface to be engaged base metal in sealed states by capillarity, thus reduce thickness.
Fig. 9 A and Fig. 9 B is the end view that surface of the present invention againsts that formula fuse 100 is arranged on substrate 10 surface.
With reference to Fig. 9 A and Fig. 9 B, lead-in wire is also not shown, and the enclosed electrode 130 that the present invention surface againsts formula fuse 100 engages with solder sphere 11.Therefore, fuse 100 can be surface then device (SMD).
As mentioned above, the present invention discloses the manufacture method that a kind of surface againsts formula fuse, use the ceramic material of better mechanical strength as earthenware, and use welding ring to connect earthenware and enclosed electrode, therefore surface againsts the bond strength of formula fuse and durability is improved.
In addition, by outer surface fusible element being wound in non-conductive element, time delay characteristic can be enhanced, so surface againsts formula fuse stably can operate in high voltage.
In addition, by the scope temperature of welding processing procedure being reduced to 600 DEG C to 650 DEG C, even if use current material in said temperature scope, fusible element also can not blow.
As mentioned above, against the manufacture method of formula fuse according to surface disclosed by the invention, its by welding processing procedure manufacture one, there is high durability and can stable operation in the fuse of 250 volts (or higher).
As shown in the above description, the present invention discloses a kind of fuse and manufacture method thereof, because use the ceramic material of better mechanical strength as non-conductive element and use earthenware, and using welding ring bonding ceramic pipe and each enclosed electrode, so the durability of fuse can be improved.
In addition, the present invention discloses a kind of fuse and manufacture method thereof, because the fusible element being wrapped in non-conductive component outer surface has sufficient length and enough numbers of turn, time delay characteristic can be enhanced, so fuse stably operable is in high voltage.
In addition, the present invention discloses a kind of fuse and manufacture method thereof, because have electrodeposited coating, so can improve wet characteristic and bond strength further in welding junction.
By specification by reference to the accompanying drawings openly as above, those skilled in the art should be able to know present pre-ferred embodiments, under the prerequisite not departing from the present invention and the open category of claims and spirit, when doing a little variation, additions and deletions and replacement.
Claims (8)
1. surface againsts a formula fuse, it is characterized in that, comprising:
Earthenware;
A pair enclosed electrode, is arranged at this earthenware two ends;
Fuse unit, is arranged among this earthenware, is electrically connected to these enclosed electrodes, and comprises non-conductive element, is arranged at multiple termination electrodes at these non-conductive element two ends, and is electrically connected to the fusible element of these termination electrodes; And
Multiple welding ring, is arranged between this earthenware and each enclosed electrode, is wherein engaged with these enclosed electrodes by this earthenware by melting T-Ring.
2. surface according to claim 1 againsts formula fuse, it is characterized in that, these welding ring comprise the alloy of cupric, silver and zinc.
3. surface according to claim 1 againsts formula fuse, it is characterized in that, the outer surface of this welding ring is arranged at part contour with the outer surface of this earthenware, and the inner surface of this welding ring is arranged at and extends to part more inner than the inner edge of this earthenware towards this ceramic tube inside.
4. surface according to claim 1 againsts formula fuse, it is characterized in that, each enclosed electrode comprises contact site, and this contact site is towards this ceramic tube inside projection and be inserted into this earthenware and contact with this fuse unit; And junction portion, this junction portion engages with this welding ring.
5. surface according to claim 1 againsts formula fuse, it is characterized in that, this welding ring comprises the outside engaged with this earthenware one end and the inside engaged with this fuse unit one end.
6. surface according to claim 4 againsts formula fuse, it is characterized in that, also comprises multiple soldered elements, and these soldered elements can melt between this contact site and each termination electrode, and this contact site and this termination electrode is bonded together.
7. surface according to claim 6 againsts formula fuse, it is characterized in that, also comprise electrodeposited coating that is nickeliferous or titanium, this electrodeposited coating be formed at this contact site, this junction portion and this termination electrode at least one on, and improve bond strength by the fusion process of this welding ring or this soldered elements.
8. there is the structure that surface againsts formula fuse, it is characterized in that, comprising:
Substrate;
Solder sphere, is arranged on this substrate, and
Surface againsts formula fuse, is connected to this solder sphere, and wherein this surface againsts formula fuse and comprises:
Earthenware;
A pair enclosed electrode, is arranged at this earthenware two ends;
Fuse unit, is arranged among this earthenware, is electrically connected to these enclosed electrodes, and comprises non-conductive element, is arranged at multiple termination electrodes at these non-conductive element two ends, and is electrically connected to the fusible element of these termination electrodes; And
Multiple welding ring, is arranged between this earthenware and each enclosed electrode, is wherein engaged with these enclosed electrodes by this earthenware by melting T-Ring.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2013-0123653 | 2013-10-16 | ||
| KR20130123653 | 2013-10-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104576252A true CN104576252A (en) | 2015-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410549290.5A Pending CN104576252A (en) | 2013-10-16 | 2014-10-16 | Surface-adhering fuses and structures of surface-adhering fuses |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6062905B2 (en) |
| CN (1) | CN104576252A (en) |
| TW (1) | TWI514433B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4855052B2 (en) | 2005-11-21 | 2012-01-18 | 富士フイルム株式会社 | Ink composition, inkjet recording method, printed matter, planographic printing plate production method |
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| JP2012522334A (en) * | 2009-03-25 | 2012-09-20 | リッテルフューズ，インコーポレイティド | Solderless surface mount fuse |
| CN103890893A (en) * | 2011-10-27 | 2014-06-25 | 保险丝公司 | Fuse with insulated plugs |
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| US6552646B1 (en) * | 2000-04-10 | 2003-04-22 | Bel-Fuse, Inc. | Capless fuse |
| JP4072371B2 (en) * | 2002-04-05 | 2008-04-09 | 三菱樹脂株式会社 | Fuel cell separator |
| JP2006286251A (en) * | 2005-03-31 | 2006-10-19 | Mitsubishi Materials Corp | Surge absorber |
| CN103476539B (en) * | 2011-02-04 | 2016-08-17 | 安塔亚技术公司 | Pb-free solder compositions |
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- 2014-10-16 CN CN201410549290.5A patent/CN104576252A/en active Pending
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- 2014-10-16 JP JP2014211932A patent/JP6062905B2/en active Active
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| CN103890893A (en) * | 2011-10-27 | 2014-06-25 | 保险丝公司 | Fuse with insulated plugs |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI514433B (en) | 2015-12-21 |
| TW201517108A (en) | 2015-05-01 |
| JP2015079756A (en) | 2015-04-23 |
| JP6062905B2 (en) | 2017-01-18 |
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