CN204834216U - Novel small -size high pressure resistant temperature resistive ware - Google Patents
Novel small -size high pressure resistant temperature resistive ware Download PDFInfo
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- CN204834216U CN204834216U CN201520599493.5U CN201520599493U CN204834216U CN 204834216 U CN204834216 U CN 204834216U CN 201520599493 U CN201520599493 U CN 201520599493U CN 204834216 U CN204834216 U CN 204834216U
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Abstract
The utility model relates to an electrical apparatus uses the novel small -size high pressure resistant temperature resistive ware in safety protection component field, including taking open -ended insulating housing and fusing part, the fusing part comprises electrical resistance alloys silk and temperature alloy silk, and insulating housing's inside is equipped with the constant head tank, and temperature alloy silk holding is in the constant head tank, and the welding of the one end of temperature alloy silk has electrically conductive pin, and the middle -end of electrically conductive pin is inwards bent, makes the end of electrically conductive pin guide the right side opening into, be equipped with the constant head tank in insulating housing's inside, electrically conductive pin holding is in the constant head tank, and it is more even to wind in messenger's resistor production process, and it is more even to paint, and assembly process is more simple and convenient to reducible product disability rate improves work efficiency, temperature alloy wirebond has connect electrically conductive pin, and electrically conductive pin can play the transition effect here to the creepage distance of multiplicable resistor makes holistic temperature sensing speed of resistor and fusing speed all slow down to some extent, in order to reach accurate fusing standard.
Description
Technical field
The utility model relates to electrical equipment use safety protection component field, is specifically related to the high pressure resistant shape temp. resistance of Novel small-sized.
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.
The applicant submits to a patent No. for " ZL201520178319.3 " in March, 2015, invention and created name is the Chinese utility model patent of " a kind of miniaturized high pressure resistant shape temp. resistance ", the overall structure of this resistor is small and exquisite, production cost can be saved, and assembling is simple, but also there is following defect in this patent: 1) inside of insulation shell lacks and to receive the cell body of temperature alloy silk for sky, when installing after making the bending of temperature alloy silk, temperature alloy silk integral position keeps to the side, middle position can not be in, will cause the conductive base pin be connected with temperature alloy silk can not be placed in the middle like this, when conductive base pin is not placed in the middle, the normal generation of resistor will be had influence on, in production process, coiling and japanning can be very uneven, thus the generation efficiency that impact produces, increase product rejection rate, 2) the direct bending of temperature alloy silk forms overhead kick and hooks tight at the edge of right openings, and directly connected with electric resistance alloy silk by right metal cap, when temperature alloy silk is directly connected with electric resistance alloy silk, overall creepage distance is shorter, temperature-sensitive speed and the fusing speed of resistor entirety are all very fast, are difficult to reach fusing standard.
Utility model content
The purpose of this utility model solves above defect, provides Novel small-sized high pressure resistant shape temp. resistance, facilitates coiling when it makes, and japanning evenly.
The purpose of this utility model realizes in the following manner:
The high pressure resistant shape temp. resistance of Novel small-sized, comprise insulation shell and the fusing part of 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 center drilling, this fusing part is made up of electric resistance alloy silk and temperature alloy silk, the inside of insulation shell is provided with location notch, one end of temperature alloy silk is welded with conductive pin, conductive pin is placed in location notch, the inside bending of middle-end of conductive pin, the end of conductive pin is made to guide right openings into, the end outwards bending formation overhead kick again of conductive pin, overhead kick hooks tight at the edge of right openings, and compressed by right metal cap, right metal cap and conductive pin 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 center drilling of right metal cap, and fill casting glue in the center drilling 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, and one end of electric resistance alloy silk is welded on the surface of right metal cap, and the other end of electric resistance alloy silk is welded on the surface of left metal cap, thus makes electric resistance alloy silk and temperature alloy silk 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, be set with insulating sleeve at the outer surface of temperature alloy silk.
In above-mentioned explanation, as preferred scheme, all 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, this location notch extends to right openings from left side opening.
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, 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 as follows:
1) location notch is provided with in the inside of insulation shell; conductive pin is placed in location notch; guarantee that temperature alloy silk and the second conductive base pin occupy center when the center drilling of right metal cap is drawn; thus do not need to carry out bending placed in the middle to the second conductive base pin again, the second conductive base pin is corresponding with the first conductive base pin all occupy center, make coiling in resistors painting process evenly; japanning evenly; assembly technology is more simple and convenient, thus can reduce product rejection rate, increases work efficiency;
2) temperature alloy wire bond is connected to conductive pin, conductive pin and right metal cap are electrically connected, simultaneously, the two ends of electric resistance alloy silk are electrically connected with left metal cap and right metal cap respectively, also increase between electric resistance alloy silk and temperature alloy silk and have conductive pin, conductive pin can play a transition role at this, thus can increase the creepage distance of resistor, the temperature-sensitive speed of resistor entirety and fusing speed are slowed down all to some extent, to reach accurate fusing standard.
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;
Fig. 3 is the structural representation of insulation shell 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, and 10 is conductive pin, and 11 is location notch.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
The present embodiment, with reference to Fig. 1 ~ Fig. 3, its high pressure resistant shape temp. resistance 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 center drilling, this fusing part is made up of electric resistance alloy silk 7 and temperature alloy silk 6, as shown in Figure 3, the inside of insulation shell 1 is provided with location notch 11, location notch 11 extends to right openings from left side opening, one end of temperature alloy silk 6 is welded with conductive pin 10, conductive pin 10 is placed in location notch 11, the inside bending of middle-end of conductive pin 10, the end of conductive pin 10 is made to guide right openings into, the end outwards bending formation overhead kick 9 again of conductive pin 10, overhead kick 9 hooks 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 conductive pin 10, 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.Insulating sleeve 8 is set with at the outer surface of temperature alloy silk 6, the other end of simultaneous temperature B alloy wire 6 is welded with the second conductive base pin 5, second conductive base pin 5 is drawn from the center drilling of right metal cap 3, and filling epoxy resin in the center drilling 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 is wrapped in 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, thus makes electric resistance alloy silk 7 realize connecting with temperature alloy silk 6.
Location notch 11 is provided with in the inside of insulation shell 1, conductive pin 10 is placed in location notch 11, guarantee that temperature alloy silk 6 and the second conductive base pin 5 occupy center when the center drilling of right metal cap 3 is drawn, thus do not need to carry out bending placed in the middle to the second conductive base pin 5 again, second conductive base pin 5 is corresponding with the first conductive base pin 4 all occupy center, make coiling in resistors painting process evenly, japanning evenly, assembly technology is more simple and convenient, thus can product rejection rate be reduced, increase work efficiency.Temperature alloy silk 6 is welded with conductive pin 10, conductive pin 10 and right metal cap 3 are electrically connected, simultaneously, the two ends of electric resistance alloy silk 7 are electrically connected with left metal cap 2 and right metal cap 3 respectively, also increase between electric resistance alloy silk 7 and temperature alloy silk 6 and have conductive pin 10, conductive pin 10 can play a transition role at this, thus can increase the creepage distance of resistor, the temperature-sensitive speed of resistor entirety and fusing speed are slowed down all to some extent, to reach accurate fusing standard.
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 Novel small-sized, comprise insulation shell and the fusing part of 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 center drilling, this fusing part is made up of electric resistance alloy silk and temperature alloy silk, it is characterized in that: the inside of insulation shell is provided with location notch, one end of temperature alloy silk is welded with conductive pin, conductive pin is placed in location notch, the inside bending of middle-end of conductive pin, the end of conductive pin is made to guide right openings into, the end outwards bending formation overhead kick again of conductive pin, overhead kick hooks tight at the edge of right openings, and compressed by right metal cap, right metal cap and conductive pin 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 center drilling of right metal cap, and fill casting glue in the center drilling 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, and one end of electric resistance alloy silk is welded on the surface of right metal cap, and the other end of electric resistance alloy silk is welded on the surface of left metal cap, thus makes electric resistance alloy silk and temperature alloy silk realize connecting.
2. the high pressure resistant shape temp. resistance of Novel small-sized according to claim 1, is characterized in that: be set with insulating sleeve at the outer surface of temperature alloy silk.
3. the high pressure resistant shape temp. resistance of Novel small-sized according to claim 1, is characterized in that: all scribble oxide-film paint at the outer surface of insulation shell, left metal cap, right metal cap and electric resistance alloy silk.
4. the high pressure resistant shape temp. resistance of Novel small-sized according to claims 1 to 3 any one, is characterized in that: this location notch extends to right openings from left side opening.
5. the high pressure resistant shape temp. resistance of Novel small-sized 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.
6. the high pressure resistant shape temp. resistance of Novel small-sized according to claim 5, is characterized in that: described casting glue is epoxy resin or quartz packaged powder.
7. the high pressure resistant shape temp. resistance of Novel small-sized according to claim 1,2,3 or 6, is characterized in that: described left metal cap and right metal cap are copper cap or chapeau de fer.
8. the high pressure resistant shape temp. resistance of Novel small-sized according to claim 1,2,3 or 6, 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 |
|---|---|---|---|
| CN201520599493.5U CN204834216U (en) | 2015-08-11 | 2015-08-11 | Novel small -size high pressure resistant temperature resistive ware |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520599493.5U CN204834216U (en) | 2015-08-11 | 2015-08-11 | Novel small -size high pressure resistant temperature resistive ware |
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| CN204834216U true CN204834216U (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128493A (en) * | 2018-10-30 | 2020-05-08 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
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2015
- 2015-08-11 CN CN201520599493.5U patent/CN204834216U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128493A (en) * | 2018-10-30 | 2020-05-08 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
| CN111128493B (en) * | 2018-10-30 | 2022-07-29 | 斯玛特电子公司 | Fuse resistor assembly and method of making same |
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