CN204463965U - A kind of miniaturized high pressure resistant shape temp. resistance - Google Patents
A kind of miniaturized high pressure resistant shape temp. resistance Download PDFInfo
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- CN204463965U CN204463965U CN201520178319.3U CN201520178319U CN204463965U CN 204463965 U CN204463965 U CN 204463965U CN 201520178319 U CN201520178319 U CN 201520178319U CN 204463965 U CN204463965 U CN 204463965U
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Abstract
The utility model relates to the high pressure resistant shape temp. resistance of miniaturization in electrical equipment use safety protection component field, comprise insulation shell and the fusing part of band opening, this fusing part is made up of electric resistance alloy silk and temperature alloy silk, the inside of insulation shell is installed on after the bending of temperature alloy silk, one end bending of temperature alloy silk forms overhead kick, and compressed by right metal cap, electric resistance alloy silk is wrapped in the outer surface of insulation shell, one end of electric resistance alloy silk is welded on the surface of right metal cap, the other end of electric resistance alloy silk is welded on the surface of left metal cap, electric resistance alloy silk and temperature alloy silk is made to realize connecting.Electric resistance alloy silk is directly wrapped in the outer surface of insulation shell, do not take its inner space, the volume of insulation shell can be greatly reduced, thus reduce the volume of resistor entirety, make resistor entirety can adapt to more smaller and more exquisite circuit boards, and overall structure is simple, easy to assembly, not only save material cost but also save manual assembly cost.
Description
Technical field
the utility model relates to electrical equipment use safety protection component field, is specifically related to a kind of miniaturized high pressure resistant shape temp. resistance.
Background technology
traditional temperature fuse is in series by insulation shell, disposable fusible link and resistance wire, and resistance wire is used in whole circuit has dividing potential drop effect to disposable fusible link.It is with a kind of safe accessory that temperature fuse uses, the security incidents such as the fire failed to understand for preventing the unexpected occurrence cause of life household electrical appliances, the effect of this accessory is above more than specific temperature when generating heat, the effect of fusible metal alloy fuse can play open-circuit line to prevent the security incidents such as fire, fuse is applicable inside the product almost generated heat, and comprises in household electrical appliances, electrical equipment and automobile etc., such as hair-dryer, refrigerator, microwave oven, electric cooker, washing machine, TV, baking oven, electric stove, transformer, photocopier, charger etc.
In general; disposable fuse for the protection of power circuit is all installed in circuit to nip off immediately when reaching disposable fuse rated temperature when protecting former parts to occur overheated at work; effective protection component is without prejudice, and plays safety protection function.
Inside due to temperature fuse be by disposable fusible link and resistance wire in series, the volume of its insulation shell inside must be enough to hold disposable fusible link and resistance wire two parts, therefore the overall volume of existing temperature fuse is larger, relatively be applicable on larger circuit board, cause the accommodation of existing temperature fuse to have certain limitation.But needing of present market is that the volume of electronic product can be accomplished the smaller the better, can meet the demand in market like this, and volume is excessive in circuit accommodation space, also can there is serious drawback.In addition, as will be held disposable fusible link and resistance wire two parts in insulation shell inside simultaneously, require higher in product quality and assembly technology, cause integral production high expensive.
Utility model content
the purpose of this utility model solves above defect, provide a kind of miniaturized high pressure resistant shape temp. resistance, its compact structure, save cost, and assembling is simple.
The purpose of this utility model realizes in the following manner:
The high pressure resistant shape temp. resistance of a kind of miniaturization comprises insulation shell and the fusing part of band opening, insulation shell is provided with two openings altogether, be respectively be positioned at left side left side opening and be positioned at right side right openings, and respectively on left side opening and right openings fixed cover left metal cap and right metal cap are housed.Left metal cap is welded with the first conductive base pin, the middle-end of right metal cap is provided with perforate, this fusing part is made up of electric resistance alloy silk and temperature alloy silk, is installed on the inside of insulation shell after the bending of temperature alloy silk, makes two ends of temperature alloy silk all guide right openings into.One end bending of temperature alloy silk forms overhead kick, and hook tight at the edge of right openings, and compressed by right metal cap, can weld again after compression, overhead kick and right metal cap are welded and fixed, right metal cap and temperature alloy silk is made to realize being electrically connected, the other end of temperature alloy silk is welded with the second conductive base pin, second conductive base pin is drawn from the perforate of right metal cap, and fill casting glue in the perforate of metal cap of turning right, make not conducting between the second conductive base pin and right metal cap, electric resistance alloy silk is wrapped in the outer surface of insulation shell, one end of electric resistance alloy silk is welded on the surface of right metal cap, the other end of electric resistance alloy silk is welded on the surface of left metal cap, electric resistance alloy silk and temperature alloy silk is made to realize connecting.
Electric resistance alloy silk is used in whole circuit has dividing potential drop effect to resistor, because electric resistance alloy silk has a point compression functions, when power supply is than temperature alloy filament voltage height, then can not direct for resistor turn-on power, in this case, to the electric resistance alloy silk that resistor in series one is suitable, him is allowed to share a part of voltage, resistor normally can be worked under specified voltage, the direct infringement causing resistor because supply voltage is high would not be there is.
Scribble the flux of fluxing action on temperature alloy silk surface, temperature alloy silk temperature can be arranged on any temperature spot between 65 ~ 280 degrees Celsius, and electric current is arranged on any electric current section between 1A ~ 30A.
In above-mentioned explanation, as preferred scheme, also scribble oxide-film paint at the outer surface of insulation shell, left metal cap, right metal cap and electric resistance alloy silk.
In above-mentioned explanation, as preferred scheme, be set with insulating sleeve at the outer surface of temperature alloy silk.
In above-mentioned explanation, as preferred scheme, described insulation shell is made up of plastic material, bakelite material, ceramic material or thermoplastic sleeve pipe.
In above-mentioned explanation, as preferred scheme, the shape of described insulation shell is box-shaped or cylindrical or rhombus.
In above-mentioned explanation, as preferred scheme, described casting glue is epoxy resin or quartz packaged powder.
In above-mentioned explanation, as preferred scheme, described left metal cap and right metal cap are copper cap or chapeau de fer.
In above-mentioned explanation, as preferred scheme, be welded and fixed by welding procedure again after described right metal cap compresses overhead kick.
The beneficial effect that the utility model produces is: electric resistance alloy silk and temperature alloy silk are together in series; make it string to be connected as a whole; fail safe is higher, can effectively prevent electric component because of fault produce the potential safety hazard of abnormal high temperature and high pressure, stop the generation of security incident comprehensively; In addition, electric resistance alloy silk is directly wrapped in the outer surface of insulation shell, do not take its inner space, the volume of insulation shell can be greatly reduced, thus reduce the volume of resistor entirety, make resistor entirety can adapt to more smaller and more exquisite circuit boards, and overall structure is simple, easy to assembly, not only save material cost but also save manual assembly cost.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram in the utility model embodiment;
Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram in the utility model embodiment;
In figure, 1 is insulation shell, and 2 is left metal cap, and 3 is right metal cap, and 4 is the first conductive base pin, and 5 is the second conductive base pin, and 6 is temperature alloy silk, and 7 is electric resistance alloy silk, and 8 is insulating sleeve, and 9 is overhead kick.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
The present embodiment, see figures.1.and.2, its high pressure resistant shape temp. resistance of miniaturization specifically implemented comprises insulation shell 1 and the fusing part of band opening, insulation shell 1 is the cylindrical structural of hollow, the earthenware be made up of ceramic material, insulation shell 1 is provided with two openings altogether, be respectively the left side opening being positioned at left side and the right openings being positioned at right side, and respectively on left side opening and right openings fixed cover left metal cap 2 and right metal cap 3 are housed, in order to conduct electricity better, left metal cap 2 and the right metal cap 3 of the present embodiment are copper cap.
Left metal cap 2 is welded with the first conductive base pin 4, the middle-end of right metal cap 3 is provided with perforate, this fusing part is made up of electric resistance alloy silk 7 and temperature alloy silk 6, the inside of insulation shell 1 is installed on after temperature alloy silk 6 bending, and temperature alloy silk 6 after bending overlaps insulating sleeve 8, make two ends of temperature alloy silk 6 all guide right openings into.One end bending of temperature alloy silk 6 forms overhead kick 9, and hook tight at the edge of right openings, and compressed by right metal cap 3, mode by pincers pressure is stepped up, right metal cap 3 is made to realize being electrically connected with temperature alloy silk 6, can also be welded and fixed again after right metal cap 3 compresses overhead kick 9 in addition, make its conductivity better, connect more stable.The other end of temperature alloy silk 6 is welded with the second conductive base pin 5, second conductive base pin 5 and draws from the perforate of right metal cap 3, and filling epoxy resin in the perforate of metal cap 3 of turning right, make not conducting between the second conductive base pin 5 and right metal cap 3.
Electric resistance alloy silk 7 uniform winding is at the outer surface of insulation shell 1, and one end of electric resistance alloy silk 7 is welded on the surface of right metal cap 3, and the other end of electric resistance alloy silk 7 is welded on the surface of left metal cap 2, makes electric resistance alloy silk 7 realize connecting with temperature alloy silk 6.
Resistor structure of the present utility model is simple, easy to assembly, assembling process is for be first welded on left metal cap 2 by the first conductive base pin 4, then left metal cap 2 pincers are pressed on the left side opening of insulation shell 1, then the second conductive base pin 5 is welded with one end of temperature alloy silk 6, temperature alloy silk 6 after putting sleeve pipe and bending is fitted in insulation shell 1 simultaneously, overhead kick 9 is made to catch at right openings edge, and right metal cap 3 pincers are pressed in the right openings of insulation shell 1, then click and enter epoxy resin to encapsulate, finally at the outer surface uniform winding electric resistance alloy silk 7 of insulation shell 1, and respectively two ends of electric resistance alloy silk 7 are welded on left metal cap 2 and right metal cap 3, the outer surface at resistor is also needed after having assembled, namely insulation shell 1, left metal cap 2, the outer surface of right metal cap 3 and electric resistance alloy silk 7 coats oxide-film paint.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made, all should be considered as protection range of the present utility model.
Claims (8)
1. the high pressure resistant shape temp. resistance of miniaturization, it is characterized in that: the insulation shell and the fusing part that comprise band opening, insulation shell is provided with two openings altogether, be respectively the left side opening being positioned at left side and the right openings being positioned at right side, and respectively on left side opening and right openings fixed cover left metal cap and right metal cap are housed, left metal cap is welded with the first conductive base pin, the middle-end of right metal cap is provided with perforate, this fusing part is made up of electric resistance alloy silk and temperature alloy silk, the inside of insulation shell is installed on after the bending of temperature alloy silk, two ends of temperature alloy silk are made all to guide right openings into, one end bending of temperature alloy silk forms overhead kick, and hook tight at the edge of right openings, and compressed by right metal cap, right metal cap and temperature alloy silk is made to realize being electrically connected, the other end of temperature alloy silk is welded with the second conductive base pin, second conductive base pin is drawn from the perforate of right metal cap, and fill casting glue in the perforate of metal cap of turning right, make not conducting between the second conductive base pin and right metal cap, electric resistance alloy silk is wrapped in the outer surface of insulation shell, one end of electric resistance alloy silk is welded on the surface of right metal cap, the other end of electric resistance alloy silk is welded on the surface of left metal cap, electric resistance alloy silk and temperature alloy silk is made to realize connecting.
2. a kind of miniaturized high pressure resistant shape temp. resistance according to claim 1, is characterized in that: also scribble oxide-film paint at the outer surface of insulation shell, left metal cap, right metal cap and electric resistance alloy silk.
3. a kind of miniaturized high pressure resistant shape temp. resistance according to claim 2, is characterized in that: be set with insulating sleeve at the outer surface of temperature alloy silk.
4. a kind of miniaturized high pressure resistant shape temp. resistance according to claims 1 to 3 any one, is characterized in that: described insulation shell is made up of plastic material, bakelite material, ceramic material or thermoplastic sleeve pipe.
5. a kind of miniaturized high pressure resistant shape temp. resistance according to claim 4, is characterized in that: the shape of described insulation shell is box-shaped or cylindrical or rhombus.
6. a kind of miniaturized high pressure resistant shape temp. resistance according to claim 1,2,3 or 5, is characterized in that: described casting glue is epoxy resin or quartz packaged powder.
7. a kind of miniaturized high pressure resistant shape temp. resistance according to claim 1,2,3 or 5, is characterized in that: described left metal cap and right metal cap are copper cap or chapeau de fer.
8. a kind of miniaturized high pressure resistant shape temp. resistance according to claim 1,2,3 or 5, be is characterized in that: be welded and fixed by welding procedure after described right metal cap compresses overhead kick again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178319.3U CN204463965U (en) | 2015-03-27 | 2015-03-27 | A kind of miniaturized high pressure resistant shape temp. resistance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520178319.3U CN204463965U (en) | 2015-03-27 | 2015-03-27 | A kind of miniaturized high pressure resistant shape temp. resistance |
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| CN204463965U true CN204463965U (en) | 2015-07-08 |
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| CN201520178319.3U Active CN204463965U (en) | 2015-03-27 | 2015-03-27 | A kind of miniaturized high pressure resistant shape temp. resistance |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321636A (en) * | 2015-12-07 | 2016-02-10 | 安徽昌盛电子股份有限公司 | Axial lead type temperature insurance resistor |
| CN111091939A (en) * | 2018-10-24 | 2020-05-01 | 斯玛特电子公司 | Fuse-resistor assembly and method of manufacturing a fuse-resistor assembly |
-
2015
- 2015-03-27 CN CN201520178319.3U patent/CN204463965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321636A (en) * | 2015-12-07 | 2016-02-10 | 安徽昌盛电子股份有限公司 | Axial lead type temperature insurance resistor |
| CN111091939A (en) * | 2018-10-24 | 2020-05-01 | 斯玛特电子公司 | Fuse-resistor assembly and method of manufacturing a fuse-resistor assembly |
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