CN105788993A - Current protector manufacturing method and PCB - Google Patents
Current protector manufacturing method and PCB Download PDFInfo
- Publication number
- CN105788993A CN105788993A CN201610257546.4A CN201610257546A CN105788993A CN 105788993 A CN105788993 A CN 105788993A CN 201610257546 A CN201610257546 A CN 201610257546A CN 105788993 A CN105788993 A CN 105788993A
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- China
- Prior art keywords
- registration holes
- cut
- cuts
- pcb board
- central channel
- Prior art date
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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
- H01H85/165—Casings
- H01H85/175—Casings characterised by the casing shape or form
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H69/00—Apparatus or processes for the manufacture of emergency protective devices
- H01H69/02—Manufacture of fuses
- H01H69/022—Manufacture of fuses of printed circuit fuses
-
- 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
- H01H85/17—Casings characterised by the casing material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Fuses (AREA)
Abstract
The invention discloses a current protector manufacturing method. Through carrying out punching, grooving, laminating, re-cutting and the like on a PCB material, a PCB tube structure is manufactured, and the PCB tube structure serves as a protection casing to replace a transitional ceramic tube; then, through a fully-automatic protector assembling machine, the PCB tube, an end cap, a metal melt, soldering tin and the like are combined and soldered, and thus, the ultra-micro current protestor is obtained. On one hand, the low heat conductivity coefficient of the PCB tube is applied, influences on fusing characteristics of the metal melt by cooling of a protection casing can be reduced, and high dependence on the production device by basic characteristics of an mA-level small current product; and on the other hand; and on the other hand, by adopting the protection tube casing and end cap structure, the phenomenon that cold resistance becomes abnormally large under hot and cold impacts on a fuse and an end surface electrode in the prior art can be effectively solved.
Description
Technical field
The present invention relates to a kind of ultra micro current protector, particularly to the manufacture method of a kind of tubular structure protector.
Background technology
The insulation tube being often matrix using pottery or glass ceramic material in prior art protects shell as protector, has many excellent performances, such as high breaking capacity, high I2T and Surge handling capability, low cold resistance value etc..But ceramic material is generally of the heat conductivity that comparison is high; when in circuit rated current when mA rank; being accomplished by protector very sensitive could be that circuit is cut off in quick acting at current anomaly; now the protector of earthenware structure can because producing the scattered error of the system fluctuation generation twice operating chacteristics of equipment; even can cause the bad of fast cut-off protector twice operating chacteristics, produce potential safety hazard.
Chinese Patent Application No. be 201110123326.X record in provide suspended-fuse-wire-type surface-mount fuse and the manufacture method of a kind of PCB substrate structure, by upper, a cavity is formed respectively in the middle part of lower PCB substrate, bonded by binding agent between two PCB substrate, metal fuse is placed between two PCB substrate and forms unsettled fuse-wires structure, fuse has part to expose outside insulator end and bending makes it be close to end electrode, the medial surface that PCB cover plate of outer casing is relative arranges intensifier electrode, and extend to insulator edges at two ends and end electrode and be electrically connected, the end making intensifier electrode contacts with end electrode, the two ends simultaneously making fuse contact with formation face between corresponding intensifier electrode respectively, ensure that the reliability that fuse is connected with end electrode.But the product of above-mentioned patent structure there will be in use for some time and loosens owing to fuse and end electrode adhesive force under thermal shock diminish, produce the bad phenomenon such as the change of fuse cold resistance is big.
Summary of the invention
Goal of the invention: for solving the problems referred to above, the invention discloses the manufacture method of a kind of current protector and the pcb board used in the method, solves fuse and end electrode in existing patented product and is being become big bad by the cold resistance under thermal shock is abnormal.
Technical scheme: for reaching above-mentioned purpose, the present invention can adopt the following technical scheme that
The manufacture method of a kind of current protector, it is provided that two pieces of pcb boards, and every piece of pcb board arranges to make the pressing registration holes of these two pieces of pcb board pressing para-positions；And the left side on every piece of pcb board is provided with at least string left cut and cuts by registration holes and at least string LC groove registration holes, the right side on every piece of pcb board is provided with at least string right cut and cuts by registration holes and at least right heart groove registration holes of string；Described left cut is cut to cut with registration holes and right cut and is symmetrical arranged by registration holes；Described LC groove registration holes and right central channel registration holes are symmetrical arranged equally；Each LC groove registration holes is cut between by registration holes in adjacent two left cuts and cuts with these two left cuts by the distance of registration holes identical, and each right central channel registration holes is cut between by registration holes in adjacent two right cuts and cuts with these two right cuts by the distance of registration holes identical；The upside of every piece of pcb board is provided with the upper cutting registration holes of at least one row, and the downside of every piece of pcb board is provided with under at least one row cutting registration holes, and described upper cutting registration holes is symmetrical arranged with lower cutting registration holes；Bar shaped central channel is formed by every piece of pcb board cuts between the left and right central channel registration holes that each two is corresponding, the left end of every central channel is LC groove registration holes, the right-hand member of every central channel is right central channel registration holes, and described central channel is blind hole groove；Two pieces of pcb boards are fitted and makes the facing formation endoporus of the central channel on two pieces of pcb boards；The line of self-corresponding left and right cutting registration holes be transverse cut by the pcb board transverse cuts of two pieces of pressings, and the line of self-corresponding upper and lower cutting registration holes be longitudinally cutting line carry out longitudinally cutting after formed monomer PCB pipe；Left end cap, right-hand member cap, metal bath are provided；Metal bath is housed in the endoporus of monomer PCB pipe, and left end cap and right-hand member cap are fastened in the two ends of monomer PCB pipe respectively, and the two ends of metal bath are respectively welded in the inner side of left and right end cap.
Beneficial effect: relative to prior art, the present invention has the effect that.
(1) PCB material is as the protection shell of fuse; owing to its heat conductivity is typically in 0.2W/ (m k) left and right; the heat radiation of shell is very little on fuse impact; it is especially suitable for the exploitation of mA rank hypersensitization type protector product; use the low thermal conductivity of PCB pipe; replace the earthenware of prior art or glass tubing as the shell of protector; reducing the protection shell heat radiation impact on metal bath operating chacteristics, it is produced the high dependency of equipment by the fundamental characteristics of the protector product also reducing mA level current specification.
(2) structure adopting protection pipe shell and end cap to coordinate, efficiently solves in prior art PCB as shell, the structure that fuse is connected with end electrode, and fuse and end electrode are by bad phenomenon such as the change extremely of the cold resistance under thermal shock are big.
(3) present invention is by making PCB pipe by the pcb board material of low thermal conductivity through special process; thus adopting the full-automatic protector kludge of routine can complete production; eliminate kludge unusual fluctuations and cause when metal bath is adherent; the body heat radiation impact on hypersensitization type protector twice operating chacteristics; improve the security performance of product, and greatly reduce the manufacturing cost of product.
(4) present invention by being pressed into PCB pipe by three layer PCB plate, is more suitable for manufacturing the protector of smaller volume compared with the processing technique of earthenware.
(5) the product size concordance prepared by this PCB pipe production technology is good, such that it is able to improve the resistance accuracy of current protector product.
(6) production of PCB pipe is relative to earthenware hot die-casting molding technique or single extruding-out process, and production efficiency is greatly promoted, and needs not move through high-temperature sintering process, and energy consumption is substantially reduced.
Accompanying drawing explanation
Fig. 1 is the longitudinal sectional drawing of the ultra micro current protector structure adopting the method for the present invention to manufacture in embodiment one；
Fig. 2 is the ultra micro current protector pcb board registration holes schematic appearance described in embodiment two；
Fig. 3 is the ultra micro current protector pcb board central channel schematic diagram described in embodiment two；
Fig. 4 is the arrangement schematic diagram that use registration holes is cut in the upper left central channel registration holes of the pcb board described in embodiment two and left cut；
Fig. 5 is the ultra micro current protector pcb board registration holes schematic appearance described in embodiment three；；
Fig. 6 is the ultra micro current protector pcb board central channel schematic diagram described in embodiment three；
Fig. 7 is the monomer PCB pipe transverse cross-sectional view after two pcb board bonding cuttings.
Detailed description of the invention
In order to illustrate technical scheme and technical purpose, below in conjunction with the drawings and specific embodiments, the invention will be described further.
Embodiment one:
Fig. 1 is the longitudinal sectional drawing of ultra micro current protector of the present invention, and the structure of this protector includes insulation shell 1, metal bath 2, left and right end cap 3 and scolding tin 4.Wherein, metal bath 2 is unsettled to be placed in insulation shell 1, and metal bath 2 fixed and weld by scolding tin 4 inside end cap 3, forms electrical connection.
Described pcb board is heat resisting temperature FR-4 material more than 260 DEG C；
The pressing of described pcb board is to adopt high temperature resistant pcb board adhesive glue to bond two-ply through High Temperature High Pressure on press to form block product.
Embodiment two:
A kind of manufacture method of the ultra micro current protector for the present invention:
Two pieces of pcb boards are provided, and every piece of pcb board arranges to make the pressing registration holes 51 of these two pieces of pcb board pressing para-positions；And the left side on every piece of pcb board is provided with at least string left cut and cuts by registration holes 52 and at least string LC groove registration holes 53, the right side on every piece of pcb board is provided with at least string right cut and cuts by registration holes 54 and at least right heart groove registration holes 55 of string.Described left cut is cut to cut with registration holes 52 and right cut and is symmetrical arranged by registration holes 54；Described LC groove registration holes 53 and right central channel registration holes 55 are symmetrical arranged equally.Wherein, the left and right central channel registration holes preset is prepared for cutting below central channel, can significantly improve cutting efficiency according to default left and right central channel registration holes cutting and reduce error.In the present embodiment, the diameter of described left and right central channel registration holes is equal to the width of central channel 61, so when cutting according to the diameter of left and right central channel registration holes, it is not necessary to again determine notch width, substantially increase cutting efficiency equally and reduce error.Further, the endoporus 62 of the PCB pipe that width is demand of the central channel 61 on every piece of pcb board is wide, and the degree of depth of central channel 61 is the half that the endoporus 62 of the PCB pipe of demand is high.
And, each LC groove registration holes 53 is cut between by registration holes 52 in adjacent two left cuts and cuts with these two left cuts by the distance of registration holes 52 identical, and each right central channel registration holes 55 is cut between by registration holes 54 in adjacent two right cuts and cuts with these two right cuts by the distance of registration holes 54 identical.It addition, the upside of every piece of pcb board is provided with the upper cutting registration holes 56 of at least one row, the downside of every piece of pcb board is provided with under at least one row cutting registration holes 57, and described upper cutting registration holes 56 is symmetrical arranged with lower cutting registration holes 57.The left and right cutting registration holes preset is to prepare for following transverse cuts, left and right cutting registration holes is as two end points cut and can carry out the horizontal operation that plate cuts slivering along the line in the middle of left and right cutting registration holes, it is possible to significantly improves cutting efficiency and reduces error.Same, upper and lower cutting registration holes is to prepare for cutting up and down, and the pcb board of cutting slivering is cut into monomer PCB pipe further.
Shown in Fig. 4, in the present embodiment, described left cut is cut and is used registration holes 52 and LC groove 53 registration holes every arrangement in the middle of same string；Described right cut is cut and is used registration holes 54 and right central channel registration holes 55 every arrangement in the middle of same string, it is simple to processing and minimizing mismachining tolerance.
And in present embodiment one be further improved by, it is two row that described left cut is cut by registration holes 52, and right cut is cut and is similarly two row by registration holes 54；LC groove 53 registration holes is two row, and right central channel registration holes 55 is similarly two row；It is string arrangement that each column left cut is cut with overlap corresponding with each column LC groove registration holes of registration holes；It is string arrangement that each column right cut is cut with corresponding coincidence of registration holes and each column right central channel registration holes.So when cutting, outermost string can be cut off and retain the left and right central channel registration holes of string of inner side as the end points of central channel, otch is made to keep neat and avoid, because outermost left and right central channel manufacturing tolerance causes the mismachining tolerance of final monomer PCB tube end, further reducing manufacture fraction defective.
In the present embodiment, for the ease of illustrating, introduce the direction concept of upper and lower, left and right, be arrange based on the front view (being provided with the face of central channel) of pcb board, for the ease of the groove that four sides of pcb board are arranged is defined avoiding ambiguity, lower same.
Then, bar shaped central channel 61 is formed by every piece of pcb board cuts between the left and right central channel registration holes that each two is corresponding, the left end of every central channel 61 is LC groove registration holes, and the right-hand member of every central channel 61 is right central channel registration holes, and described central channel 61 is blind hole groove.Then it is referred to shown in Fig. 7, two pieces of pcb boards is fitted and makes the facing formation endoporus 62 of the central channel 61 on two pieces of pcb boards.During by two pieces of pcb board pressings, two pieces of pcb board inter-coat adhesive glues, by registration holes 51, two pieces of PCB are required alignment, press is bonded by High Temperature High Pressure.
The line of self-corresponding left and right cutting registration holes be transverse cut by the pcb board transverse cuts of two pieces of pressings, and the line of self-corresponding upper and lower cutting registration holes be longitudinally cutting line carry out longitudinally cutting after formed monomer PCB pipe；First transverse cuts or first longitudinally cutting all it is achieved that be all the cutting sequence that can select of the present embodiment here.
After monomer PCB pipe has cut, it is provided that left end cap 3, right-hand member cap 3, metal bath 4；Metal bath 4 is housed in the endoporus 62 of monomer PCB pipe, and left end cap and right-hand member cap are fastened in the two ends of monomer PCB pipe respectively, and the two ends of metal bath 4 are respectively welded in the inner side of left and right end cap 3.In this assembling, monomer PCB pipe, end cap, metal bath and scolding tin are assembled on Full-automatic assembling machine automatically the ultra micro current protector produced manufactured by the present invention.
Embodiment three:
In the step 1 described in embodiment two, difference due to pcb board cutting machine visual field size and monoblock pcb board width, as shown in Figure 5, Figure 6, it is stamped and formed out product pressing registration holes 51 in the corner of levels pcb board 5 and side centre position, being stamped and formed out product cutting registration holes on its four limit and certain position middle by product size again, in the middle of the horizontal both sides of pcb board 5 and its, certain position is that diameter is stamped and formed out product center groove registration holes 59 by cutting groove width.That is, pcb board is additionally provided with the string sectional center groove registration holes 59 being positioned at LC groove registration holes 53 and right central channel registration holes 55 centre position；And be positioned at left cut and cut and cut by the string in registration holes 54 centre position auxiliary cutting registration holes 58 by registration holes 52 and right cut；It is string arrangement that this row sectional center groove registration holes 59 described and these row auxiliary cutting registration holes 58 overlap.Same, it is additionally provided with cutting registration holes 60 in the middle of the row being positioned in the middle of described upper cutting registration holes and lower cutting registration holes.Thus, when the intermediate layer grooving of step 2 and the size of step 4 cut, cutting para-position is referred to auxiliary cutting registration holes 58 and middle cutting registration holes 60 para-position, the restriction little to meet the cutting machine visual field.
Other techniques are with embodiment two.
Embodiment four:
With reference to the manufacture method of above-mentioned current protector it can be seen that the present invention also discloses that a kind of pcb board manufacturing this current protector:
Left side on pcb board is provided with at least string left cut and cuts by registration holes 52 and at least string LC groove registration holes 53, and the right side on pcb board is provided with at least string right cut and cuts by registration holes 54 and at least right heart groove registration holes 55 of string；Described left cut is cut to cut with registration holes and right cut and is symmetrical arranged by registration holes；Described LC groove registration holes and right central channel registration holes are symmetrical arranged equally；Each LC groove registration holes is cut between by registration holes in adjacent two left cuts and cuts with these two left cuts by the distance of registration holes identical, and each right central channel registration holes is cut between by registration holes in adjacent two right cuts and cuts with these two right cuts by the distance of registration holes identical；The upside of pcb board is provided with the upper cutting registration holes 56 of at least one row, and the downside of pcb board is provided with under at least one row cutting registration holes 57, and described upper cutting registration holes is symmetrical arranged with lower cutting registration holes.
It addition, the concrete methods of realizing of the present invention and approach are a lot, the above is only the preferred embodiment of the present invention.It should be pointed out that, for those skilled in the art, 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.The all available prior art of each ingredient not clear and definite in the present embodiment is realized.
Claims (10)
1. the manufacture method of a current protector, it is characterised in that:
Two pieces of pcb boards are provided, and every piece of pcb board arranges to make the pressing registration holes of these two pieces of pcb board pressing para-positions；And the left side on every piece of pcb board is provided with at least string left cut and cuts by registration holes and at least string LC groove registration holes, the right side on every piece of pcb board is provided with at least string right cut and cuts by registration holes and at least right heart groove registration holes of string；Described left cut is cut to cut with registration holes and right cut and is symmetrical arranged by registration holes；Described LC groove registration holes and right central channel registration holes are symmetrical arranged equally；Each LC groove registration holes is cut between by registration holes in adjacent two left cuts and cuts with these two left cuts by the distance of registration holes identical, and each right central channel registration holes is cut between by registration holes in adjacent two right cuts and cuts with these two right cuts by the distance of registration holes identical；The upside of every piece of pcb board is provided with the upper cutting registration holes of at least one row, and the downside of every piece of pcb board is provided with under at least one row cutting registration holes, and described upper cutting registration holes is symmetrical arranged with lower cutting registration holes；
Bar shaped central channel is formed by every piece of pcb board cuts between the left and right central channel registration holes that each two is corresponding, the left end of every central channel is LC groove registration holes, the right-hand member of every central channel is right central channel registration holes, and described central channel is blind hole groove；
Two pieces of pcb boards are fitted and makes the facing formation endoporus of the central channel on two pieces of pcb boards；
The line of self-corresponding left and right cutting registration holes be transverse cut by the pcb board transverse cuts of two pieces of pressings, and the line of self-corresponding upper and lower cutting registration holes be longitudinally cutting line carry out longitudinally cutting after formed monomer PCB pipe；
Left end cap, right-hand member cap, metal bath are provided；Metal bath is housed in the endoporus of monomer PCB pipe, and left end cap and right-hand member cap are fastened in the two ends of monomer PCB pipe respectively, and the two ends of metal bath are respectively welded in the inner side of left and right end cap.
2. the manufacture method of current protector according to claim 1, it is characterised in that: the diameter of described left and right central channel registration holes is equal to the width of central channel.
3. the manufacture method of current protector according to claim 2, it is characterised in that: during by two pieces of pcb board pressings, two pieces of pcb board inter-coat adhesive glues, by registration holes, two pieces of PCB are required alignment, press is bonded by High Temperature High Pressure.
4. the manufacture method of current protector according to claim 1, it is characterised in that: described left cut is cut and is used registration holes and LC groove registration holes every arrangement in the middle of same string；Described right cut is cut and is used registration holes and right central channel registration holes every arrangement in the middle of same string.
5. the manufacture method of current protector according to claim 1, it is characterised in that: it is two row that described left cut is cut by registration holes, and right cut is cut and is similarly two row by registration holes；
LC groove registration holes is two row, and right central channel registration holes is similarly two row；
It is string arrangement that each column left cut is cut with overlap corresponding with each column LC groove registration holes of registration holes；It is string arrangement that each column right cut is cut with corresponding coincidence of registration holes and each column right central channel registration holes.
6. the manufacture method of current protector according to claim 1, it is characterised in that: the string sectional center groove registration holes being positioned at LC groove registration holes and right central channel registration holes centre position is provided on the pcb board of offer；And be positioned at left cut and cut to cut with registration holes and right cut and assist cutting registration holes with the string in registration holes centre position；It is string arrangement that this row sectional center groove registration holes described and this row auxiliary cutting registration holes overlap.
7. the pcb board being used for manufacturing current protector, it is characterised in that:
Left side on pcb board is provided with at least string left cut and cuts by registration holes and at least string LC groove registration holes, and the right side on pcb board is provided with at least string right cut and cuts by registration holes and at least right heart groove registration holes of string；Described left cut is cut to cut with registration holes and right cut and is symmetrical arranged by registration holes；Described LC groove registration holes and right central channel registration holes are symmetrical arranged equally；Each LC groove registration holes is cut between by registration holes in adjacent two left cuts and cuts with these two left cuts by the distance of registration holes identical, and each right central channel registration holes is cut between by registration holes in adjacent two right cuts and cuts with these two right cuts by the distance of registration holes identical；The upside of pcb board is provided with the upper cutting registration holes of at least one row, and the downside of pcb board is provided with under at least one row cutting registration holes, and described upper cutting registration holes is symmetrical arranged with lower cutting registration holes.
8. pcb board according to claim 7, it is characterised in that: it is additionally provided with the string sectional center groove registration holes being positioned at LC groove registration holes and right central channel registration holes centre position；And be positioned at left cut and cut to cut with registration holes and right cut and assist cutting registration holes with the string in registration holes centre position；It is string arrangement that this row sectional center groove registration holes described and this row auxiliary cutting registration holes overlap.
9. the pcb board according to claim 7 or 8, it is characterised in that: it is additionally provided with cutting registration holes in the middle of the row being positioned in the middle of described upper cutting registration holes and lower cutting registration holes.
10. the pcb board being used for manufacturing current protector, it is characterised in that:
Left side on pcb board is provided with at least string left cut and cuts by registration holes, and the right side on pcb board is provided with at least string right cut and cuts and use registration holes；Described left cut is cut to cut with registration holes and right cut and is symmetrical arranged by registration holes；The upside of pcb board is provided with the upper cutting registration holes of at least one row, and the downside of pcb board is provided with under at least one row cutting registration holes, and described upper cutting registration holes is symmetrical arranged with lower cutting registration holes；
Pcb board is additionally provided with some transversely arranged central channels be arrangeding in parallel, and each central channel left end cuts two adjacent left cuts and uses between registration holes, and these two adjacent left cuts are cut and arranged with this central channel that is symmetrical in of registration holes；Each central channel right-hand member cuts two adjacent right cuts and uses between registration holes, and these two adjacent right cuts are cut and arranged with this central channel that is symmetrical in of registration holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257546.4A CN105788993B (en) | 2016-04-22 | 2016-04-22 | A kind of manufacturing method and pcb board of current protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610257546.4A CN105788993B (en) | 2016-04-22 | 2016-04-22 | A kind of manufacturing method and pcb board of current protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105788993A true CN105788993A (en) | 2016-07-20 |
| CN105788993B CN105788993B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610257546.4A Active CN105788993B (en) | 2016-04-22 | 2016-04-22 | A kind of manufacturing method and pcb board of current protector |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006140254A (en) * | 2004-11-11 | 2006-06-01 | Matsuo Electric Co Ltd | Manufacturing method and electrode forming method of surface mounting electronic component |
| CN101567283A (en) * | 2008-04-24 | 2009-10-28 | Aem科技（苏州）有限公司 | Surface mounting fuse protector and manufacturing method thereof |
| CN102184816A (en) * | 2011-05-13 | 2011-09-14 | Aem科技(苏州)股份有限公司 | Suspended-fuse-wire-type surface-mount fuse and manufacturing method thereof |
| CN102394202A (en) * | 2010-07-16 | 2012-03-28 | 舒特股份公司 | Fuse element |
| CN203406255U (en) * | 2013-09-09 | 2014-01-22 | 南京萨特科技发展有限公司 | Surface mounting type alternating current high voltage fuse |
-
2016
- 2016-04-22 CN CN201610257546.4A patent/CN105788993B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006140254A (en) * | 2004-11-11 | 2006-06-01 | Matsuo Electric Co Ltd | Manufacturing method and electrode forming method of surface mounting electronic component |
| CN101567283A (en) * | 2008-04-24 | 2009-10-28 | Aem科技（苏州）有限公司 | Surface mounting fuse protector and manufacturing method thereof |
| CN102394202A (en) * | 2010-07-16 | 2012-03-28 | 舒特股份公司 | Fuse element |
| CN102184816A (en) * | 2011-05-13 | 2011-09-14 | Aem科技(苏州)股份有限公司 | Suspended-fuse-wire-type surface-mount fuse and manufacturing method thereof |
| CN203406255U (en) * | 2013-09-09 | 2014-01-22 | 南京萨特科技发展有限公司 | Surface mounting type alternating current high voltage fuse |
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| Publication number | Publication date |
|---|---|
| CN105788993B (en) | 2018-10-12 |
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