CN104319206A - Suspended sheet-metal electronic component and batch manufacturing method thereof - Google Patents
Suspended sheet-metal electronic component and batch manufacturing method thereof Download PDFInfo
- Publication number
- CN104319206A CN104319206A CN201410555072.2A CN201410555072A CN104319206A CN 104319206 A CN104319206 A CN 104319206A CN 201410555072 A CN201410555072 A CN 201410555072A CN 104319206 A CN104319206 A CN 104319206A
- Authority
- CN
- China
- Prior art keywords
- supporting body
- lower cover
- electronic component
- insulation supporting
- cover plate
- 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.)
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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
- H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
- H01H85/0411—Miniature fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C1/00—Details
- H01C1/02—Housing; Enclosing; Embedding; Filling the housing or enclosure
- H01C1/024—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed
- H01C1/026—Housing; Enclosing; Embedding; Filling the housing or enclosure the housing or enclosure being hermetically sealed with gaseous or vacuum spacing between the resistive element and the housing or casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01C—RESISTORS
- H01C17/00—Apparatus or processes specially adapted for manufacturing resistors
- H01C17/02—Apparatus or processes specially adapted for manufacturing resistors adapted for manufacturing resistors with envelope or housing
-
- 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
Abstract
The invention discloses a suspended sheet-metal electronic component and a batch manufacturing method thereof which simply the whole structure and the manufacturing technique. The suspended sheet-metal electronic component comprises an upper cover plate, a lower cover plate, outer electrodes, a metal conductor and an insulator carrier. The two outer electrodes cover the end surfaces at two ends of the upper cover plate and the lower cover plate respectively. The insulation carrier is arranged between the upper cover plate and the lower cover plate and form a cavity together with the upper cover plate and the lower cover plate, and the thickness of the cavity is larger than that of the metal conductor. The metal conductor transversely penetrates into the cavity. Two inner electrodes are arranged at two ends of the metal conductor, and penetrate through two ends of the insulation carrier to be electrically connected with the two outer electrodes. The batch manufacturing method of the suspended sheet-metal electronic component can form the cavity surrounding the metal conductor without forming a cavity in a ceramic tube or being provided with grooves on the upper cover plate and the lower cover plate, greatly reduces the manufacturing difficulty, simplifies the whole manufacturing technique, and is especially suitable to manufacture micro electronic components in batches quickly.
Description
Technical field
The invention belongs to technical field of electronic components, being specifically related to a kind of sheet metal is the electronic component of hanging type structure and the batch fabrication method of this element.
Background technology
Electronic component---such as fuse, resistor etc., often uses wire, metal forming or metal sheet to be formed the body with electrical resistance property, and plays protection and isolated effect by wrapped with insulation at metallic perimeter.The parcel mode of insulating material generally has directly is close to metal material and unsettled two types of metal material.
Be close to the packaging type manufacture craft of metal material, in the field of businessly widely to apply, such as notification number is that the Chinese patent of CN102013368 provides a kind of fuse, comprise glass-ceramic substrate and be embedded in the fusible metal conductor in glass-ceramic substrate, but need under this structure to increase thermal insulation layer to reduce the heat radiation of metallic conductor, just can reach higher more stable fusing performance.
And the wrapped with insulation mode of metal material suspended type generally makes metallic conductor unsettled in chamber by insulation crust coated metal conductor.This structure has many benefits, for fuse, due to the poor thermal conductivity of air, thus make the easier accumulation heat rapidly of molten metal and fuse, can obtain well stable fusing performance, and explosion energy can be cushioned in the space around melt, improve the interrupting performance of fuse.Such as notification number is that the Chinese patent of CN203192732U discloses a kind of common metal material suspended type fuse, this patent provides the insulated tube of an open at both ends, metal bath is fixed in insulated tube, two ends assembling copper cap is as electrode, this kind of technique needs earthenware that manufactured size precision is very high and two ends copper cap, also needing to arrange a load bearing component especially prevents it from bending earthenware for fixing metal melt two ends, so technique is comparatively complicated, cost is higher.In prior art, adopt the electronic component of the unsettled mode of metal material to be also difficult to minification, and not easily rapid batch is manufactured.
Summary of the invention
For solving the problem, the invention discloses a kind of hanging type sheet metal electronic component and batch fabrication method thereof, having simplified overall structure, simplified manufacturing process, be applicable to making microminiature electronic component.
In order to achieve the above object, the invention provides following technical scheme:
A kind of hanging type sheet metal electronic component, comprise upper cover plate, lower cover, external electrode, metallic conductor, insulation supporting body, described dispatch from foreign news agency very two, envelope two end surfaces of upper and lower cover plates respectively, described insulation supporting body is arranged between upper cover plate and lower cover, with upper and lower cover plates and forms cavity, insulation supporting body thickness is greater than metallic conductor thickness, described metallic conductor traverses in described cavity, metallic conductor two ends have two interior electrodes, and described interior electrode is formed with two external electrodes respectively through insulation supporting body two ends and is electrically connected.
Further, described interior electrode and metallic conductor one-body molded.Ensure that the bond strength of conductor and interior electrode and good uniform electrical conductance, improve the stability in use of electronic component.
Further, described upper cover plate and/or lower cover are provided with groove, and described insulation supporting body is located in recess edge.Groove can increase the gap between upper and lower cover plates further,
Further, described interior electrode width is identical with electronic component width, and broad interior electrode is connected with external electrode forming surface, ensure that the bond strength of interior electrode and external electrode and good electrical conductance.
Further, described insulation supporting body adopts glass or polymer colloid material to make.
Present invention also offers the batch fabrication method of hanging type sheet metal electronic component, comprise the steps:
Make metallic conductor: on sheet metal, form array pattern, described array pattern comprises the identical metal unit of multiple shape, described metal unit comprises metallic conductor and is positioned at the electrode at metal unit two ends;
Form insulation supporting body: the insulation supporting body being greater than metallic conductor thickness at the surrounding height of formation of each metal unit;
Merge upper and lower cover plates: merge lower cover and upper cover plate respectively in the upper and lower both sides of metal unit array being formed with insulation supporting body, make cover plate and insulation supporting body heating adhesion, solidification;
Form external electrode: the metallic conductor getting togather upper and lower cover plates is cut into strip, form wall scroll electronic element array, and form external electrode at upper and lower cover plates two ends;
Split shaping: the stripe like electrical elements array forming external electrode is split, form Single Electron element.
Further, the described step forming insulation supporting body is realized by following means: metal array figure is put into mould, macromolecular material colloid is flowed into the position of presetting hole shaping.
Further, the described step forming insulation supporting body is realized by following means: fill out fluid sealant metal array figure is two-sided, forms insulation supporting body after solidification.
Present invention also offers the batch fabrication method of another kind of hanging type sheet metal electronic component, comprise the steps:
Make metallic conductor: on sheet metal, form array pattern, described array pattern comprises the identical metal unit of multiple shape, described metal unit comprises metallic conductor and is positioned at the electrode at metal unit two ends;
Form insulation supporting body: edge, the position printed glass of each electronic component or macromolecular material thus form insulation supporting body on upper and lower cover plate respectively;
Merge upper and lower cover plates: the metallic conductor array processed is clipped in print insulation supporting body upper and lower cover plates between, make its heating adhesion, fixing;
Form external electrode: the metallic conductor getting togather upper and lower cover plates is cut into strip, form wall scroll electronic element array, and form external electrode at upper and lower cover plates two ends;
Split shaping: the stripe like electrical elements array forming external electrode is split, form Single Electron element.
Further, upper cover plate and/or lower cover are provided with groove in advance, when forming insulation supporting body, form insulation supporting body at pre-groove edge printed glass or macromolecular material.
Compared with prior art, tool of the present invention has the following advantages and beneficial effect:
The present invention without the need to forming cavity in earthenware, not needing, groove is set in upper and lower cover plates yet and just can form cavity around metallic conductor, greatly reduce manufacture difficulty, be particularly useful for making the small electronic component of volume; The available mould of formation of insulation supporting body or mode of printing, and do not need between upper and lower insulation cover plate to apply adhesive in addition, only need heat just can reach and combine closely, this invention simplifies overall manufacturing process, reduce production cost, be suitable for quick large batch of making electronic component.
Accompanying drawing explanation
Fig. 1 is shaping front sheet metal schematic diagram;
Fig. 2 is conductor part and interior electrode part shaping schematic view;
Fig. 3 be in embodiment one on metallic conductor formed insulation supporting body after effect schematic diagram;
Fig. 4 be in embodiment one upper and lower cover plates close after effect schematic diagram;
Fig. 5 is the effect schematic diagram after being cut into strip in embodiment one;
Fig. 6 forms effect schematic diagram after external electrode in embodiment one;
Fig. 7 splits shaping rear single electronic component schematic diagram in embodiment one;
Fig. 8 is the longitudinal sectional view of Fig. 7;
Fig. 9 be in embodiment two on up/down cover plate formed insulation supporting body after effect schematic diagram;
Figure 10 is for presetting reeded up/down cover plate schematic diagram;
Figure 11 be preset reeded up/down cover plate forms insulation supporting body after effect schematic diagram;
The electronic component longitudinal sectional view that Figure 12 makes for utilizing the up/down cover plate shown in Figure 11.
Reference numerals list:
Lower cover 1, metallic conductor 3, insulation supporting body 4, upper cover plate 5, external electrode 6, interior electrode 7,8-X direction virtual dividing line, 9-Y direction virtual dividing line, 10-groove.
Embodiment
Below with reference to specific embodiment, technical scheme provided by the invention is described in detail, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.
As Fig. 7, Fig. 8, shown in Figure 12, hanging type sheet metal electronic component comprises upper cover plate 5, lower cover 1, two external electrodes 6, metallic conductor 3, insulation supporting body 4, wherein external electrode 6 envelopes two end surfaces of upper and lower cover plates respectively and plays fixation to cover plate, insulation supporting body 4 is arranged between upper cover plate 5 and lower cover 1, insulation supporting body is as the sidewall of electronic component, cavity 2 is formed with upper and lower cover plates, insulation supporting body 4 thickness is greater than metallic conductor 3 thickness, metallic conductor 3 traverses in the middle part of aforementioned cavity 2, metallic conductor 3 two ends are provided with two interior electrodes 7, described interior electrode 7 is formed with two external electrodes 6 respectively through insulation supporting body two ends and is electrically connected.Interior electrode 7 is preferably one-body molded with metallic conductor 3, ensure that the bond strength of conductor and interior electrode and good uniform electrical conductance.Interior electrode 7 preferably with whole electronic component with wide (as shown in Figure 4), can ensure that conductor is in the middle of cavity 2 like this, conductor intensity is good, and highly stable electrical connection can be formed between interior electrode 7 and external electrode 6, to avoid occurring in traditional thread fuse-link between fuse and external electrode the problem that the only easy loose contact of point cantact causes open circuit to take place frequently.Said structure without the need to forming cavity 2 in earthenware, not needing, groove is set in upper and lower cover plates yet and just can form a cavity 2 around metallic conductor, greatly reduce manufacture difficulty, and can guarantee that conductor is in the centre of cavity 2, be more suitable for and make the small electronic component of volume.Insulation supporting body preferably adopts glass or polymer colloid material, and does not need between upper and lower insulation cover plate to apply adhesive in addition, only need heat and just can realize combining closely, Simplified flowsheet.
Embodiment one:
Present embodiments provide the batch fabrication method of above-mentioned hanging type sheet metal electronic component, comprise the steps:
Making metallic conductor: Fig. 1 is one piece of sheet metal material, and its composition can be single metal or alloy material, and this sheet metal is formed array pattern as shown in Figure 2, and figure generation type preferably adopts punching press or engraving method.We are by the X-direction virtual dividing line 8(line vertical with metallic conductor) and the Y-direction virtual dividing line 9(line parallel with metallic conductor) this array pattern can be divided into the metal unit figure of multiple " work " font, namely each " work " font metal unit figure comprises integrated metallic conductor 3 and interior electrode 7." work " font is only a kind of preferred exemplary being suitable for processing of metallic conductor, and the shape of conductor can process different graphic as required.
Metallic conductor forms insulation supporting body: as shown in Figure 3, the insulation supporting body 4 of metallic conductor thickness is greater than at the surrounding height of formation of each " work " font metal unit (namely comprising the metallic conductor 3 of interior electrode and conductor part), metallic conductor is preferably placed in the middle of insulation supporting body, so in use if there is other insulation positions that can not bend because of metallic conductor during emergency situations or other reasons makes the contact in the middle part of metallic conductor except interior electrode.The formation of insulation supporting body preferably adopts following method:
Method 1: adopt formed in mould mode, puts into mould by metal array figure as shown in Figure 2, macromolecular material colloid is flowed into the position of presetting hole shaping;
Method 2 is: fill out fluid sealant metal array figure is as shown in Figure 2 two-sided, namely form above-mentioned insulation supporting body after solidification.
Merge upper and lower cover plates: as shown in Figure 4, merge lower cover 1 and upper cover plate 5 respectively in the upper and lower both sides of metal unit array being formed with insulation supporting body, make ceramic cover plate and insulation supporting body heating adhesion, solidification, around metallic conductor, form cavity.Lower cover 1 and upper cover plate 5 preferably adopt solid smooth ceramic wafer, and composition is the conventional ceramic material such as aluminium oxide, zirconia, without the need to adhesive during merging.Cover plate adopts ceramic material, compared to the electronic component using thermal coefficient of expansion to be greater than the material substrates such as the macromolecule of metal, avoid metallic conductor and macromolecular material coefficient of thermal expansion when temperature raises and differ greatly and cause the risk that electronic component length direction metallic conductor is pulled off.
Form external electrode: as shown in Figure 5, the metal unit array getting togather ceramic cover plate is cut into strip along Y-direction virtual dividing line 9, form wall scroll electronic element array, and form external electrode 6 as shown in Figure 6.Preferred employing forms external electrode 6 at ceramic cover plate two ends coating silver paste.Abundant C type external electrode fixes upper and lower ceramic cover plate, effectively improves the degree of packing of electronic component, then can improve the capability of antidetonance when this electronic component uses as fuse.
Split shaping: to the stripe like electrical elements array forming external electrode in X direction virtual dividing line 8 split, form Single Electron element, complete electronic component as shown in Figure 7.
Can go out little, miniature fuse by batch making by above-mentioned steps, metallic conductor 3 is fusible portion, metallic conductor and interior electrode 7 is one-body molded, can form good electrical connection with external electrode 6.Fuse inside is separated out gap by insulation supporting body 4 between upper and lower cover plates, thus formation is linked to be certain cavity around fuse-link, ensure that fuse-link does not contact with upper and lower cover plates, can guarantee that the fusing time of fuse rapidly, evenly, cavity has the function of pressure release simultaneously, impulsive force during disjunction can be disperseed to test, improves the capability of antidetonance.
Embodiment two:
Present embodiments provide the another kind of batch fabrication method of hanging type sheet metal electronic component, comprise the steps:
Make metallic conductor: concrete enforcement means are identical with embodiment one;
On the cover board form insulation supporting body: in this example, still adopt ceramic cover plate, as shown in Figure 9, adopt the mode of thick film screen printing, respectively edge, the position printed glass of each electronic component or macromolecular material thus form insulation supporting body on upper and lower ceramic cover plate.
As improvement, can select to be provided with groove on upper cover plate or lower cover, also the identical groove of shape can be all provided with in upper and lower cover plates, for upper cover plate, as shown in Figure 10, upper ceramic cover plate 5 is provided with groove 10 in advance, mode printed glass or macromolecular material formation insulation supporting body 4 at pre-groove 10 edge again with thick film screen printing, thus reach the effect (as shown in figure 11) of deepening groove, the gap between upper and lower cover plates can be increased like this, thus promote fusing performance further.Upper and lower ceramic cover plate 5 all has the electronic component section of pre-groove as shown in figure 12.
Merge upper and lower ceramic cover plate: be clipped in by metallic conductor 3 array processed and print up and down between ceramic cover plate of supporting body of insulation, make its heating adhesion, fix, wherein the recess edge of upper and lower cover plates, upper and lower cover plates merges formation cavity toward each other, together with insulator, and metallic conductor is in the cavities unsettled.
The process forming external electrode is identical with embodiment one.
Split shaping process identical with embodiment one.
Processing step in embodiment one, two not only can be used to manufacture hanging type fuse, also can be used for manufacturing hanging type sheet metal resistor device, when making resistor, upper and lower cover plates preferably uses the better insulating material of thermal diffusivity, as resin etc., the resistor produced by the inventive method is in Long-Time Service, and unsettled metallic conductor is not close to circuit board below, reach the effect of heat radiation, the rated power of resistor can be improved.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned execution mode, also comprises the technical scheme be made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a batch fabrication method for hanging type sheet metal electronic component, is characterized in that, comprises the steps:
Make metallic conductor: on sheet metal, form array pattern, described array pattern comprises the identical metal unit of multiple shape, and described metal unit comprises metallic conductor (3) and is positioned at the electrode (7) at metal unit two ends;
Form insulation supporting body: the insulation supporting body (4) being greater than metallic conductor (3) thickness at the surrounding height of formation of each metal unit;
Merge upper and lower cover plates: merge lower cover (1) and upper cover plate (5) respectively in the upper and lower both sides of metal unit array being formed with insulation supporting body (4), make cover plate and insulation supporting body (4) heating adhesion, solidification;
Form external electrode: the metallic conductor (3) that will get togather upper and lower cover plates (1,5) is cut into strip, form wall scroll electronic element array, and form external electrode (6) at upper and lower cover plates (1,5) two ends;
Split shaping: the stripe like electrical elements array forming external electrode (6) is split, form Single Electron element.
2. the batch fabrication method of hanging type sheet metal electronic component according to claim 1, it is characterized in that, the described step forming insulation supporting body is realized by following means: metal array figure is put into mould, macromolecular material colloid is flowed into the position of presetting hole shaping.
3. the batch fabrication method of hanging type sheet metal electronic component according to claim 1, is characterized in that, the described step forming insulation supporting body is realized by following means: fill out fluid sealant metal array figure is two-sided, forms insulation supporting body after solidification.
4. the batch fabrication method of another kind of hanging type sheet metal electronic component, comprises the steps:
Make metallic conductor: on sheet metal, form array pattern, described array pattern comprises the identical metal unit of multiple shape, and described metal unit comprises metallic conductor (3) and is positioned at the electrode (7) at metal unit two ends;
Form insulation supporting body: form insulation supporting body (4) at edge, the position printed glass of the upper each electronic component of upper and lower cover plate (1,5) or macromolecular material respectively;
Merge upper and lower cover plates: the metallic conductor array processed is clipped in print insulation supporting body upper and lower cover plates (1,5) between, make its heating adhesion, fixing;
Form external electrode: the metallic conductor getting togather upper and lower cover plates is cut into strip, form wall scroll electronic element array, and form external electrode (6) at upper and lower cover plates (1,5) two ends;
Split shaping: the stripe like electrical elements array forming external electrode (6) is split, form Single Electron element.
5. the batch fabrication method of hanging type sheet metal electronic component according to claim 4, it is characterized in that: on upper cover plate (5) and/or lower cover (1), be provided with groove (10) in advance, when forming insulation supporting body, form insulation supporting body (4) at pre-groove (10) edge printed glass or macromolecular material.
6. a hanging type sheet metal electronic component, it is characterized in that: comprise upper cover plate (5), lower cover (1), external electrode (6), metallic conductor (3), insulation supporting body (4), described external electrode (6) is two, envelope upper and lower cover plates (1 respectively, 5) two end surfaces, described insulation supporting body (4) is arranged between upper cover plate (5) and lower cover (1), with upper and lower cover plates (1, 5) cavity (2) is formed, insulation supporting body (4) thickness is greater than metallic conductor (3) thickness, described metallic conductor (3) traverses in described cavity (2), metallic conductor (3) two ends have two interior electrodes (7), described interior electrode (7) is formed with two external electrodes (6) respectively through insulation supporting body (4) two ends and is electrically connected.
7. hanging type sheet metal electronic component according to claim 6, is characterized in that: described interior electrode (7) is one-body molded with metallic conductor (3).
8. the hanging type sheet metal electronic component according to claim 6 or 7, is characterized in that: described upper cover plate (5) and/or lower cover (1) are provided with groove (10), and described insulation supporting body is located on groove (10) edge.
9. the hanging type sheet metal electronic component according to claim 6 or 7, is characterized in that: described interior electrode (7) width is identical with electronic component width.
10. the hanging type sheet metal electronic component according to claim 6 or 7, is characterized in that: described insulation supporting body (4) adopts glass or polymer colloid material to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555072.2A CN104319206B (en) | 2014-10-20 | 2014-10-20 | Suspended sheet-metal electronic component and batch manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410555072.2A CN104319206B (en) | 2014-10-20 | 2014-10-20 | Suspended sheet-metal electronic component and batch manufacturing method thereof |
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| CN104319206A true CN104319206A (en) | 2015-01-28 |
| CN104319206B CN104319206B (en) | 2017-04-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107610988A (en) * | 2017-10-30 | 2018-01-19 | Aem科技(苏州)股份有限公司 | A kind of microsuper surface mounting fuse protector and its manufacture method |
| CN110014400A (en) * | 2018-01-10 | 2019-07-16 | 德丰电创科技股份有限公司 | Electrical switch module for a variable speed control of an electrical apparatus |
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| CN110014400A (en) * | 2018-01-10 | 2019-07-16 | 德丰电创科技股份有限公司 | Electrical switch module for a variable speed control of an electrical apparatus |
| CN110014400B (en) * | 2018-01-10 | 2022-06-14 | 德丰电创科技股份有限公司 | Electrical switch module for a variable speed control of an electric tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104319206B (en) | 2017-04-12 |
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