CN204045533U - A kind of built-in type hot melt breaks device - Google Patents
A kind of built-in type hot melt breaks device Download PDFInfo
- Publication number
- CN204045533U CN204045533U CN201420536367.0U CN201420536367U CN204045533U CN 204045533 U CN204045533 U CN 204045533U CN 201420536367 U CN201420536367 U CN 201420536367U CN 204045533 U CN204045533 U CN 204045533U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- eduction rod
- terminals
- built
- hot melt
- 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.)
- Expired - Lifetime
Links
- 239000012943 hotmelt Substances 0.000 title claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 6
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- -1 polybutylene terephthalate Polymers 0.000 claims description 6
- 239000004743 Polypropylene Substances 0.000 claims description 5
- 229920001155 polypropylene Polymers 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000004079 fireproofing Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model belongs to electric protective component technical field, relate to a kind of built-in type hot melt to break device, agent structure comprises eduction rod, sleeve, Thermal Cutoffs, lower eduction rod, protective sleeve, terminals and boring, one end of upper eduction rod and the equal integral type in one end of lower eduction rod are fixedly shaped with sleeve, sleeve inside hollows out formula and is shaped with cylindric boring, the two ends of Thermal Cutoffs with terminals fixedly sleeved with the sleeve on upper eduction rod and lower eduction rod respectively, the peripheral jacket formula of socket place of terminals and sleeve is fixedly shaped with the protective sleeve of Integral hollow structure, spark and phenomenon of arc discharge is produced when fusing to prevent Thermal Cutoffs, this fuse structure is simple, and principle is reliable, and design science is easy to use, of many uses, low cost of manufacture, environmental friendliness.
Description
Technical field:
The utility model belongs to electric protective component technical field, relates to a kind of built-in type hot melt and to break device, can be widely used in, in various types of heater, having good overcurrent protection function, to prevent the generation of fire or accident.
Background technology:
Fuse is after exceeding setting a period of time according to electric current, makes Melt molten, thus make circuit disconnect a kind of current protector with the heat that himself produces; Fuse is widely used in high and low voltage electric distribution system and control system and power consumption equipment, as the protector of short circuit and overcurrent, is apply one of the most general protection device; During use; be series in protected circuit by using metallic conductor as the fuse of melt; when the electric current (overload or short circuit current) of protected circuit exceedes setting; and after certain hour; the heat fusing melt produced by melt self makes circuit disconnect, thus plays certain protective effect to electric power system, various electrical equipment and household electrical appliance.Fuse generally all has inverse time lag characteristic, and when overload current hour, fusing time is long; When overload current is large, fusing time is short; Therefore, within the scope of certain overload current, recover normal to electric current, fuse can not fuse and can also continue to use, but once electric current is excessive exceed certain threshold values, fuse then can fuse and cannot reuse.Be applied in the multiple thermal cut-off in each electric appliances such as hair dryer, electric iron, electric rice cooker, electric furnace, transformer, motor, water dispenser, washing machine, air-conditioning and coffee pot at present, its structure is primarily of melt and fusion tube and the outer part composition such as filled, owing to easily producing high tension spark when melt fuses and between the connecting line of two ends, and filler is also easily breakdown when high temperature, can not effectively prevent phenomenon of arc discharge from occurring.Such as a kind of thermal cut-off disclosed in Chinese patent 201220504624.3, it, by the upper lead-in wire at thermal fuse-link two ends and lower lead-in wire being all set with arc extinguishing isolation ceramic body, produces phenomenon of arc discharge to prevent fuse-link with lead-in wire; A kind of thermal cut-off disclosed in Chinese patent 201310352931.3, is placed in U-shaped outer casing bottom by thermal fuse-link, and on the inner casing of U-shaped shell, paste one deck arc extinguishing ceramic insulator, to solve upper lead-in wire and lower phenomenon of arc discharge between lead-in wire and thermal fuse-link; Thermal cut-off in above-mentioned patented technology does not only fundamentally solve the generation of phenomenon of arc discharge, and in practice can not preferably and live wire end and zero line side realize general.Therefore the utility model is sought a kind of novel built-in type hot melt of design and to be broken device, can realize general in each electric appliances and circuit, and when can effectively avoid thermal fuse-link fuse generation sparks flying off in all directions.
Summary of the invention:
The purpose of this utility model is to overcome the shortcoming that prior art exists, and seeking design provides a kind of built-in type hot melt to break device, can be common to live wire end and zero line side, and be sheathed with the protective sleeve of fire proofing, can effectively prevent spark from bursting out and phenomenon of arc discharge.
To achieve these goals, the break agent structure of device of the built-in type hot melt that the utility model relates to comprises eduction rod, sleeve, Thermal Cutoffs, lower eduction rod, protective sleeve, terminals and boring, one end of upper eduction rod and the equal integral type in one end of lower eduction rod are fixedly shaped with sleeve, sleeve inside hollows out formula and is shaped with cylindric boring, the two ends of Thermal Cutoffs with terminals fixedly sleeved with the sleeve on upper eduction rod and lower eduction rod respectively, the peripheral jacket formula of socket place of terminals and sleeve is fixedly shaped with the protective sleeve of Integral hollow structure, spark and phenomenon of arc discharge is produced when fusing to prevent Thermal Cutoffs.
The surface of the upper eduction rod that the utility model relates to and lower eduction rod is coated with uniform layers of copper and nickel dam all successively, and the thickness of layers of copper is 1-2um, and the thickness of nickel dam is greater than 2um, carries out temperature control 1000-1100 DEG C brightness heat treatment after nickel plating; Protective sleeve is polybutylene terephthalate (PBT) (PBT) pipe box or high polymer polypropylene (PP) pipe box of hollow type tubular structure, has good in electric, heat insulation, explosion-proof and resistance effect; The diameter of boring is more than or equal to the diameter of terminals so that Thermal Cutoffs and sleeve fixedly sleeved.
Compared with prior art, by being drilled with boring in the sleeve on eduction rod, thus the terminals realizing Thermal Cutoffs termination socket-connect the utility model, solve the problem that in conventional fuse, filler is easily breakdown; According to the instructions for use connected with live wire or zero line, what only need the model of selective temperature fuse just can realize in different electrical voltage system is general; When the protective sleeve of distinctive fire-retardant material can effectively prevent Thermal Cutoffs from fusing, sparks flying off in all directions in generation, to such an extent as to initiation fire; This fuse structure is simple, and principle is reliable, and design science is easy to use, of many uses, low cost of manufacture, environmental friendliness.
Accompanying drawing illustrates:
Fig. 1 is the agent structure principle schematic of the live wire end thermal cut-off that the utility model relates to.
Fig. 2 is the agent structure principle schematic of the zero line side thermal cut-off that the utility model relates to.
Embodiment:
By embodiment, further description is made to the utility model below in conjunction with accompanying drawing.
Embodiment 1:
The break agent structure of device of the built-in type hot melt that the present embodiment relates to comprises eduction rod 1, sleeve 2, Thermal Cutoffs 3, lower eduction rod 4, protective sleeve 5, terminals 6 and boring 7, one end of upper eduction rod 1 and the equal integral type in one end of lower eduction rod 4 are fixedly shaped with sleeve 2, sleeve 2 inside hollows out formula and is shaped with cylindric boring 7, the two ends of Thermal Cutoffs 3 with terminals 6 fixedly sleeved with the sleeve 2 on upper eduction rod 1 and lower eduction rod 4 respectively, terminals 6 are fixedly shaped with the protective sleeve 5 of Integral hollow structure with the peripheral jacket formula of the socket place of sleeve 2, spark and phenomenon of arc discharge is produced when fusing to prevent Thermal Cutoffs 3.
The surface of the upper eduction rod 1 that the present embodiment relates to and lower eduction rod 4 is coated with uniform layers of copper and nickel dam all successively, and the thickness of layers of copper is 1-2um, and the thickness of nickel dam is greater than 2um, and after nickel plating, temperature control 1000-1100 DEG C is carried out brightness heat treatment; Protective sleeve 5 is polybutylene terephthalate (PBT) (PBT) pipe box or high polymer polypropylene (PP) pipe box of hollow type tubular structure, has good in electric, heat insulation, explosion-proof and resistance effect; The diameter of boring 7 is more than or equal to the diameter of terminals 6, so that Thermal Cutoffs 3 is fixedly sleeved with sleeve 2.
Embodiment 2:
The built-in type hot melt that the present embodiment the relates to device that breaks is divided into live wire end thermal cut-off and zero line side thermal cut-off, in described live wire end thermal cut-off, Thermal Cutoffs 3 selects the model of 115-320 degree, all the other structure members and annexation are all identical with embodiment 1, during use and extraneous live wire be electrically connected; In described zero line side thermal cut-off, Thermal Cutoffs 3 selects the model of 70-110 degree, and all the other structure members and annexation are all identical with embodiment 1, during use and extraneous zero line be electrically connected.
Claims (3)
1. a built-in type hot melt breaks device; it is characterized in that agent structure comprises eduction rod, sleeve, Thermal Cutoffs, lower eduction rod, protective sleeve, terminals and boring; one end of upper eduction rod and the equal integral type in one end of lower eduction rod are fixedly shaped with sleeve; sleeve inside hollows out formula and is shaped with cylindric boring; the two ends of Thermal Cutoffs with terminals fixedly sleeved with the sleeve on upper eduction rod and lower eduction rod respectively, the peripheral jacket formula of socket place of terminals and sleeve is fixedly shaped with the protective sleeve of Integral hollow structure.
2. built-in type hot melt breaks device according to claim 1, it is characterized in that the surface of eduction rod and lower eduction rod is coated with uniform layers of copper and nickel dam all successively, the thickness of layers of copper is 1-2um, and the thickness of nickel dam is greater than 2um, carries out temperature control 1000-1100 DEG C brightness heat treatment after nickel plating.
3. built-in type hot melt breaks device according to claim 1, it is characterized in that protective sleeve is polybutylene terephthalate (PBT) pipe box or the high polymer polypropylene pipe box of hollow type tubular structure; The diameter of boring is more than or equal to the diameter of terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536367.0U CN204045533U (en) | 2014-09-18 | 2014-09-18 | A kind of built-in type hot melt breaks device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420536367.0U CN204045533U (en) | 2014-09-18 | 2014-09-18 | A kind of built-in type hot melt breaks device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204045533U true CN204045533U (en) | 2014-12-24 |
Family
ID=52246171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420536367.0U Expired - Lifetime CN204045533U (en) | 2014-09-18 | 2014-09-18 | A kind of built-in type hot melt breaks device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204045533U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201077A (en) * | 2014-09-18 | 2014-12-10 | 青岛易特优电子有限公司 | Built-in thermal fuse device |
-
2014
- 2014-09-18 CN CN201420536367.0U patent/CN204045533U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104201077A (en) * | 2014-09-18 | 2014-12-10 | 青岛易特优电子有限公司 | Built-in thermal fuse device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141224 |