CN210349754U - Temperature fuse with arc extinguishing medium - Google Patents
Temperature fuse with arc extinguishing medium Download PDFInfo
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- CN210349754U CN210349754U CN201921285961.6U CN201921285961U CN210349754U CN 210349754 U CN210349754 U CN 210349754U CN 201921285961 U CN201921285961 U CN 201921285961U CN 210349754 U CN210349754 U CN 210349754U
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- copper cap
- fuse
- soldering tin
- arc extinguishing
- cap device
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Abstract
The utility model belongs to the technical field of the temperature fuse, especially, for a temperature fuse with arc extinguishing medium, including tubulose main part, copper cap device, soldering tin, fuse and low melting point alloy silk, the welding of copper cap device is in the both sides of tubulose main part, soldering tin is filled between tubulose main part and copper cap device, the fuse passes through soldering tin to be fixed between the copper cap device, the surface at the fuse is twined to the low melting point alloy silk, the copper cap device includes the copper cap body, first recess has been seted up to the inboard of copper cap body, the second recess has all been seted up to the both sides of copper cap body inner wall. The utility model discloses can avoid soldering tin to ooze the outside from the gap between copper cap body and the tubulose main part in welding process, make the leakproofness of this temperature fuse obtain the reinforcing, guarantee the normal performance of this temperature fuse, make this temperature fuse have the arc extinguishing medium, protected return circuit safety effectively, and reduced the hidden danger of blasting.
Description
Technical Field
The utility model relates to a fuse technical field specifically is a temperature fuse with arc extinguishing medium.
Background
The temperature fuse is also called a thermal fuse body and is a temperature sensing loop cutting device, the temperature fuse can sense overheat generated in abnormal operation of electrical and electronic products, so that the loop is cut off to avoid fire, the temperature fuse cannot be used again after operation, and only acts once at fusing temperature.
1. The existing temperature fuse generally utilizes soldering tin to connect a tubular main body, a copper cap and a fuse wire, but the soldering tin can be heated to seep out from a gap between the tubular main body and the copper cap in the welding process, so that the overall performance of the fuse wire is influenced;
2. when the existing temperature fuse is used in a high-power circuit, the phenomenon of breakdown is easy to occur, the safety and the reliability are not enough, and certain potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a temperature fuse with arc extinguishing medium has solved the problem that current temperature fuse soldering tin oozes easily between tubulose main part and the copper cap when the welding.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the thermal fuse with the arc extinguishing medium comprises a tubular main body, copper cap devices, soldering tin, a fuse wire and a low-melting-point alloy wire, wherein the copper cap devices are welded on two sides of the tubular main body, the soldering tin is filled between the tubular main body and the copper cap devices, the fuse wire is fixed between the copper cap devices through the soldering tin, and the low-melting-point alloy wire is wound on the outer surface of the fuse wire.
The copper cap device comprises a copper cap body, wherein a first groove is formed in the inner side of the copper cap body, and second grooves are formed in two sides of the inner wall of the copper cap body.
As an optimized technical scheme of the utility model, the inside fixed mounting of tubulose main part has first insulation board, it has arc extinguishing material to fill between the first insulation board.
As a preferred technical scheme of the utility model, the equal fixed mounting in both sides of tubulose main part has the second insulation board, it has fire-retardant material to fill between first insulation board and the second insulation board, the equal fixedly connected with pin in both ends of fuse.
As an optimized technical scheme of the utility model, the arc extinguishing material is quartz sand or insulating oil.
As an optimal technical scheme of the utility model, fire-retardant material is the transparent fire-retardant master batch of PC.
As an optimized technical scheme of the utility model, the material of first insulation board and second insulation board is silica gel.
As an optimized technical solution of the present invention, the first grooves are arranged in every four groups of longitudinal directions, and the second grooves are arranged in every three groups of transverse directions.
(III) advantageous effects
Compared with the prior art, the utility model provides a temperature fuse with arc extinguishing medium possesses following beneficial effect:
1. this temperature fuse with arc extinguishing medium, through setting up the copper cap device, in welding process, soldering tin takes place to melt, and fuse into first recess and second recess, make soldering tin be full of between copper cap body and the tubulose main part, and make and tightly laminate between copper cap body and the tubulose main part, avoid soldering tin to ooze outside from the gap between copper cap body and the tubulose main part in welding process, make the leakproofness of this temperature fuse obtain the reinforcing, guarantee the normal performance of this temperature fuse.
2. This temperature fuse with arc extinguishing medium, through setting up first insulating plate, arc extinguishing material, second insulation board and flameresistant material, the arc that produces when arc extinguishing material can be fused fuse and low melting point alloy silk cuts off, first insulating plate and the cooperation of second insulation board can carry out the separation to electric arc, flameresistant material can prevent the inside burning explosion that produces of tubulose main part, make this temperature fuse have arc extinguishing medium, the loop safety has been protected effectively, and the hidden danger of explosion has been reduced.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.
In the figure: 1. a tubular body; 2. a copper cap device; 201. a copper cap body; 202. a first groove; 203. a second groove; 3. soldering tin; 4. a fuse; 5. a low melting point alloy wire; 6. a first insulating plate; 7. an arc suppressing material; 8. a second insulating plate; 9. a flame retardant material; 10. and (7) a pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-2, the present invention provides the following technical solutions: a temperature fuse with an arc extinguishing medium comprises a tubular main body 1, copper cap devices 2, soldering tin 3, a fuse wire 4 and a low-melting-point alloy wire 5, wherein the copper cap devices 2 are welded on two sides of the tubular main body 1, the soldering tin 3 is filled between the tubular main body 1 and the copper cap devices 2, the fuse wire 4 is fixed between the copper cap devices 2 through the soldering tin 3, and the low-melting-point alloy wire 5 is wound on the outer surface of the fuse wire 4.
Copper cap device 2 includes copper cap body 201, and first recess 202 has been seted up to copper cap body 201's inboard, and second recess 203 has all been seted up to the both sides of copper cap body 201 inner wall.
In this embodiment, during the welding process, the solder 3 melts and expands into the copper cap body 201, so that a tin hill is formed inside the tubular main body 1, a part close to the copper cap body 201 can be soaked into the first groove 202 and the second groove 203, the first groove 202 and the second groove 203 can accommodate the expanded part of the solder 3, the copper cap body 201 and the tubular main body 1 are tightly attached, the solder 3 is prevented from leaking to the outside from a gap between the copper cap body 201 and the tubular main body 1, the sealing performance of the thermal fuse is enhanced, and the normal use performance of the thermal fuse is ensured.
Specifically, the first insulating plates 6 are fixedly mounted inside the tubular body 1, and arc extinguishing materials 7 are filled between the first insulating plates 6.
In this embodiment, the first insulating plate 6 can prevent the arc from penetrating outside, and the arc extinguishing material 7 can eliminate the arc.
Specifically, the second insulating plate 8 is fixedly mounted on two sides of the interior of the tubular main body 1, the flame retardant material 9 is filled between the first insulating plate 6 and the second insulating plate 8, and the pins 10 are fixedly connected to two ends of the fuse 4.
In this embodiment, the second insulating plate 8 can prevent the electric arc from extending to the two ends of the tubular main body 1, and the flame retardant material 9 can play a role in fire and explosion protection.
Specifically, the arc extinguishing material 7 is quartz sand or insulating oil.
In the embodiment, the quartz sand and the insulating oil have high thermal conductivity and insulativity and good arc extinguishing effect.
Specifically, the flame retardant material 9 is a PC transparent flame retardant master batch.
In the embodiment, the PC transparent flame-retardant master batch has good flame-retardant effect, high dispersion, high temperature resistance and excellent mechanical property.
Specifically, the material of the first insulating plate 6 and the second insulating plate 8 is silicone rubber.
In this embodiment, silica gel can block electric arc, prevents that electric arc from wearing outward.
Specifically, the first grooves 202 are arranged in groups of four in the longitudinal direction, and the second grooves 203 are arranged in groups of three in the transverse direction.
In this embodiment, the melted solder 3 can enter the first recess 202 and the second recess 203, and the solder 3 is prevented from leaking.
The utility model discloses a theory of operation and use flow: during the welding process, the soldering tin 3 is melted and expands towards the inside of the copper cap body 201, a tin hill is formed inside the tubular main body 1, a part close to the copper cap body 201 is soaked into the first groove 202 and the second groove 203, the first groove 202 and the second groove 203 can accommodate the expanded part of the soldering tin 3 and enable the copper cap body 201 and the tubular main body 1 to be tightly attached, when the fuse 4 and the low melting point alloy wire 5 are fused, the arc extinguishing material 7 outside the fuse 4 can instantly fill the arc conductive outer diameter to cut the arc, and the arc is rapidly cooled to break the circuit, so that the fuse wire 4 and the low melting point alloy wire 5 are rapidly fused, the first insulating plate 6 and the second insulating plate 8 can further prevent the arc from penetrating to the outside of the tubular body 1, and the flame retardant material 9 can further prevent explosion and combustion inside the tubular body 1, so that the temperature fuse is provided with an arc extinguishing medium.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a temperature fuse with arc extinguishing medium, includes tubular main part (1), copper cap device (2), soldering tin (3), fuse (4) and low melting point alloy silk (5), its characterized in that: the copper cap device (2) is welded on two sides of the tubular main body (1), the soldering tin (3) is filled between the tubular main body (1) and the copper cap device (2), the fuse wire (4) is fixed between the copper cap device (2) through the soldering tin (3), and the low-melting-point alloy wire (5) is wound on the outer surface of the fuse wire (4);
the copper cap device (2) comprises a copper cap body (201), a first groove (202) is formed in the inner side of the copper cap body (201), and second grooves (203) are formed in two sides of the inner wall of the copper cap body (201).
2. The thermal fuse with arc quenching medium as claimed in claim 1, wherein: the inner part of the tubular main body (1) is fixedly provided with first insulating plates (6), and arc extinguishing materials (7) are filled between the first insulating plates (6).
3. The thermal fuse with arc quenching medium as claimed in claim 2, wherein: the fuse wire is characterized in that second insulating plates (8) are fixedly mounted on two sides of the interior of the tubular main body (1), a flame retardant material (9) is filled between the first insulating plate (6) and the second insulating plates (8), and pins (10) are fixedly connected to two ends of the fuse wire (4).
4. The thermal fuse with arc quenching medium as claimed in claim 2, wherein: the arc extinguishing material (7) is quartz sand or insulating oil.
5. The thermal fuse with arc quenching medium as claimed in claim 3, wherein: the flame-retardant material (9) is a PC transparent flame-retardant master batch.
6. The thermal fuse with arc quenching medium as claimed in claim 2, wherein: the first insulating plate (6) and the second insulating plate (8) are made of silica gel.
7. The thermal fuse with arc quenching medium as claimed in claim 1, wherein: the first grooves (202) are arranged in groups of four in the longitudinal direction, and the second grooves (203) are arranged in groups of three in the transverse direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285961.6U CN210349754U (en) | 2019-08-09 | 2019-08-09 | Temperature fuse with arc extinguishing medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921285961.6U CN210349754U (en) | 2019-08-09 | 2019-08-09 | Temperature fuse with arc extinguishing medium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210349754U true CN210349754U (en) | 2020-04-17 |
Family
ID=70174261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921285961.6U Active CN210349754U (en) | 2019-08-09 | 2019-08-09 | Temperature fuse with arc extinguishing medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210349754U (en) |
-
2019
- 2019-08-09 CN CN201921285961.6U patent/CN210349754U/en active Active
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