CN203300549U - Temperature fuse protector with dual-protection function - Google Patents
Temperature fuse protector with dual-protection function Download PDFInfo
- Publication number
- CN203300549U CN203300549U CN2013203019547U CN201320301954U CN203300549U CN 203300549 U CN203300549 U CN 203300549U CN 2013203019547 U CN2013203019547 U CN 2013203019547U CN 201320301954 U CN201320301954 U CN 201320301954U CN 203300549 U CN203300549 U CN 203300549U
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- fuse
- temperature
- temperature fuse
- protection functions
- double protection
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Abstract
The utility model discloses a temperature fuse protector with a dual-protection function in the field of electric appliance using safety protection components. The temperature fuse protector comprises an insulated casing and a fusing part arranged inside the insulated casing, the two ends of the fusing part are respectively extended with a conductive end, the fusing part is formed by connecting a disposable temperature fuse wire and a recoverable fuse protector in series, and the action temperature of the disposable temperature fuse wire is higher than that of the recoverable fuse protector. By connecting the disposable temperature fuse wire and the recoverable fuse protector in series to form the fusing part, the temperature fuse protector of the utility model makes up for the problem that a traditional temperature fuse protector is lack of security in thermal protection. When the temperature reaches a second action temperature value set by the disposable temperature fuse wire, the temperature fuse protector would immediately and quickly cut off a circuit so as to protect the circuit and increase safety and reliability. The temperature fuse protector with a dual-protection function has outstanding functions and can be widely used in temperature protection of a power circuit.
Description
Technical field
The utility model relates to electrical equipment and uses safeguard protection element field, is specifically related to a kind of temperature fuse with double protection functions.
Background technology
Traditional temperature fuse is reached and is formed with the fusible metal alloy fuse of described two leading-in conductor phases welding by insulation shell, two leading-in conductors; It is with a kind of safe accessory that fuse uses, for the security incidents such as fire that prevent that the unexpected occurrence cause of life household electrical appliances is not clear, the effect of this accessory is when surpassing the above heating of specific temperature, the effect of fusible metal alloy fuse can be played open-circuit line to prevent the security incidents such as fire, fuse is applicable in the product the inside of heating almost, comprises in household electrical appliances, electrical equipment and automobile etc., for example hair-dryer, refrigerator, microwave oven, electric cooker, washing machine, TV, baking oven, electric stove, transformer, photocopier, charger etc.
But temperature fuse comprises disposable temperature fuse and reused recovery temperature fuse.When disposable temperature fuse was elevated to the particular job temperature in temperature, the fusing of can directly being heated of fusible metal alloy fuse, to reach the effect of cutoff circuit.The defect of its existence is must scrap after fuse work fusing, and then the product that more renews, so can increase and change human resources and the operating time of fuse, and can cause a kind of waste of material, simultaneously must reach rated temperature can disconnect, and fail safe is not high enough.But the recovery temperature fuse uses in the power circuit protection; disconnect while reaching the rated temperature of setting; can closedly recover normal operation again while having arrived normal working temperature; but but also there is defect in the recovery temperature fuse; but when the recovery temperature fuse, can not in time cut off circuit occurring that abnormal conditions are next; temperature continue to rise can't protective circuit the time, can not more effectively ensure circuit safety.
The existing inventor develops a kind of fuse with double protection functions, and its fail safe is higher.
The utility model content
The purpose of this utility model is to solve above defect, provides a kind of simple in structure, and coefficient of safety is higher, has the temperature fuse of double protection functions.
The purpose of this utility model realizes in the following manner:
a kind of temperature fuse with double protection functions, comprise insulation shell and be arranged on the fusing part of insulation shell inside, described fusing part two ends are extended with conducting end, this conducting end is connected with conductive base pin, conductive base pin extends out toward the insulation shell opening direction, and be filled with in insulation shell for the fixing epoxy resin of fusing part and conductive base pin, this fusing part is by disposable Thermal Cutoffs and can recover fuse and be in series, the operating temperature of described disposable Thermal Cutoffs is higher than the operating temperature that can recover fuse, this can recover fuse is the first protector, disposable Thermal Cutoffs is the second protector, has double protection functions thereby form.
As preferably; described disposable Thermal Cutoffs is formed in parallel by one or an above alloy fuse materials; the alloy fuse materials is by the combination in any of the various metals such as stanniferous, bismuth, lead, indium; be welded with lead-in wire at alloy fuse two ends; and the alloy fuse cover is contained in protecting sheathing; lead-in wire extends out toward the protecting sheathing opening direction, is filled with in protecting sheathing for the fixing epoxy resin of alloy fuse.
As preferably, described protecting sheathing is plastic shell or ceramic package or metal shell, and described protecting sheathing is box-shaped or cylindrical or axle phase shape.
As preferably, described disposable Thermal Cutoffs is macromolecule powder shape fuse, and this macromolecule powder shape fuse consists of metal shell and the moving contact, spring and the fusable links that are arranged on metal shell inside.Electric current flows to moving contact from the left side lead-in wire before Thermal Cutoffs starts, go between to the right mobile by metal shell, when externally temperature reaches predetermined temperature, the organic substance fusable links will melt, Compress Spring can fluff, be that spring expands, moving contact separates with the left side lead-in wire, and this moment, loop was opened, between moving contact and left side lead-in wire, electric current is cut off, and the whole shell of this product is resistance-type metal-back shape.
As preferably, described disposable Thermal Cutoffs consists of an independent B alloy wire.
As preferably, the described fuse that recovers consists of bimetal leaf and the young sheet of metal socket, and the young sheet of bimetal leaf and metal socket is set in positioning housing inside,, from the interior connection wire that is extended with outward, be filled with in positioning housing for the fixing epoxy resin of bimetal leaf and metal socket son sheet.
As preferably, described positioning housing is box-shaped or cylindrical or axle phase shape.
As preferably, the described fuse that recovers consists of memory security silk repeatedly, this repeatedly the memory security silk be the alloy of titanium and nickel.The alloy of titanium and nickel is called as marmem, and the marmem specific explanations, for to be become various shapes after the impact of physics, can return to the abnormal power of original form at any temperature.This abnormal power relies on the content of titanium and nickel different, utilizes such character to can be used as the silk of memory security repeatedly of various temperature specification products.
As preferably, described insulation shell is rectangle housing, square housing, rhombus housing, cylindrical housings or axial shape housing.
the beneficial effect that the utility model produces is: adopt disposable Thermal Cutoffs and can recover fuse to be composed in series fusing part, the operating temperature of disposable Thermal Cutoffs is higher than the operating temperature that can recover fuse simultaneously, disposablely nip off protection or independent disconnection is compared with the closure protection with traditional, the this patent product has made up the problem of the fail safe deficiency of traditional product when heat is protected, can be effectively when power circuit uses, when the operating temperature that meets or exceeds setting and electric current, fuse cuts off automatically, auto-closing normal operation again when returning to normal working temperature, if the recoverable fuse of front end is occurring can not in time cutting off circuit under abnormal conditions, temperature continue to rise can't protective circuit the time, when temperature reaches the operating temperature of the disposable Thermal Cutoffs setting of second, this protector is fast cut-off circuit immediately, thereby circuit is played a protective role, increase security reliability.The temperature fuse of this double protection functions, prominent function, can be widely used in the temperature protection of power circuit.
Description of drawings
Fig. 1 is the internal structure schematic diagram of the utility model embodiment one;
Fig. 2 is the overall structure schematic diagram of the utility model embodiment one;
Fig. 3 is the internal structure schematic diagram of the utility model embodiment two;
Fig. 4 is the overall structure schematic diagram of the utility model embodiment one;
In figure, (1) insulation shell, (2) conductive base pin, (3) epoxy resin, (4) disposable Thermal Cutoffs, (5) can recover fuse.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment one, sees figures.1.and.2, and a kind of temperature fuse with double protection functions comprises insulation shell (1) and is arranged on the inner fusing part of insulation shell (1), and described insulation shell (1) is the rectangle housing.Described fusing part two ends are extended with conducting end, this conducting end is connected with conductive base pin (2), conductive base pin (2) extends out toward insulation shell (1) opening direction, and be filled with in insulation shell (1) for the fixing epoxy resin (3) of fusing part and conductive base pin (2), this fusing part is by disposable Thermal Cutoffs (4) and can recover fuse (5) and be in series.Described disposable Thermal Cutoffs (4) is formed in parallel by one or an above alloy fuse materials; be welded with lead-in wire at alloy fuse two ends; and the alloy fuse cover is contained in protecting sheathing; lead-in wire extends out toward the protecting sheathing opening direction; be filled with in protecting sheathing for the fixing epoxy resin of alloy fuse (3); described protecting sheathing is plastic shell, and this protecting sheathing is box-shaped.The described fuse (5) that recovers consists of bimetal leaf and the young sheet of metal socket, and bimetal leaf and the young sheet of metal socket are set in positioning housing inside,, from the interior connection wire that is extended with outward, be filled with the epoxy resin (3) for fixing bimetal leaf and the young sheet of metal socket in positioning housing.The operating temperature of described disposable Thermal Cutoffs (4) is higher than the operating temperature that can recover fuse (5); this can recover fuse (5) is the first protector; disposable Thermal Cutoffs (4) is the second protector, thereby form, has double protection functions.When temperature in circuit meets or exceeds the operating temperature of setting and electric current; can recover fuse (5) cuts off automatically; auto-closing normal operation again when returning to normal working temperature; if the recoverable fuse of front end is occurring can not in time cutting off circuit under abnormal conditions; temperature continue to rise can't protective circuit the time; when temperature reaches the operating temperature of the disposable Thermal Cutoffs of second (4) setting; this protector is fast cut-off circuit immediately; thereby circuit is played a protective role, increase security reliability.
Embodiment two, and with reference to Fig. 3 and Fig. 4, a kind of temperature fuse with double protection functions comprises insulation shell (1) and be arranged on the inner fusing part of insulation shell (1) that described insulation shell (1) is cylindrical housings.Described fusing part two ends are extended with conducting end, this conducting end is connected with conductive base pin (2), conductive base pin (2) extends out toward insulation shell (1) opening direction, and be filled with in insulation shell (1) for the fixing epoxy resin (3) of fusing part and conductive base pin (2), this fusing part is by disposable Thermal Cutoffs (4) and can recover fuse (5) and be in series.Described disposable Thermal Cutoffs (4) is macromolecule powder shape fuse, and this macromolecule powder shape fuse consists of metal shell and the moving contact, spring and the fusable links that are arranged on metal shell inside, and this protecting sheathing is cylindrical.The described fuse (5) that recovers consists of memory security silk repeatedly, this repeatedly the memory security silk be the alloy of titanium and nickel.The operating temperature of described disposable Thermal Cutoffs (4) is higher than the operating temperature that can recover fuse (5); this can recover fuse (5) is the first protector; disposable Thermal Cutoffs (4) is the second protector, thereby form, has double protection functions.When temperature in circuit meets or exceeds the operating temperature of setting and electric current; can recover fuse (5) cuts off automatically; auto-closing normal operation again when returning to normal working temperature; if the recoverable fuse of front end is occurring can not in time cutting off circuit under abnormal conditions; temperature continue to rise can't protective circuit the time; when temperature reaches the operating temperature of the disposable Thermal Cutoffs of second (4) setting; this protector is fast cut-off circuit immediately; thereby circuit is played a protective role, increase security reliability.
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, can also make some simple deduction or replace, all should be considered as protection range of the present utility model.
Claims (9)
1. temperature fuse with double protection functions, comprise insulation shell and be arranged on the fusing part of insulation shell inside, described fusing part two ends are extended with conducting end, this conducting end is connected with conductive base pin, conductive base pin extends out toward the insulation shell opening direction, and be filled with in insulation shell for the fixing epoxy resin of fusing part and conductive base pin, it is characterized in that: this fusing part is by disposable Thermal Cutoffs and can recover fuse and be in series, the operating temperature of described disposable Thermal Cutoffs is higher than the operating temperature that can recover fuse.
2. a kind of temperature fuse with double protection functions according to claim 1; it is characterized in that: described disposable Thermal Cutoffs is formed in parallel by one or an above alloy fuse materials; be welded with lead-in wire at alloy fuse two ends; and the alloy fuse cover is contained in protecting sheathing; lead-in wire extends out toward the protecting sheathing opening direction, is filled with in protecting sheathing for the fixing epoxy resin of alloy fuse.
3. a kind of temperature fuse with double protection functions according to claim 2, it is characterized in that: described protecting sheathing is plastic shell or ceramic package or metal shell, described protecting sheathing is box-shaped or cylindrical or axle phase shape.
4. a kind of temperature fuse with double protection functions according to claim 1; it is characterized in that: described disposable Thermal Cutoffs is macromolecule powder shape fuse, and this macromolecule powder shape fuse consists of metal shell and the moving contact, spring and the fusable links that are arranged on metal shell inside.
5. a kind of temperature fuse with double protection functions according to claim 1, it is characterized in that: described disposable Thermal Cutoffs consists of an independent B alloy wire.
6. a kind of temperature fuse with double protection functions according to claim 1; it is characterized in that: the described fuse that recovers consists of bimetal leaf and the young sheet of metal socket; and bimetal leaf and the young sheet of metal socket are set in positioning housing inside;, from the interior connection wire that is extended with outward, be filled with the epoxy resin for fixing bimetal leaf and the young sheet of metal socket in positioning housing.
7. a kind of temperature fuse with double protection functions according to claim 6, it is characterized in that: described positioning housing is box-shaped or cylindrical or axle phase shape.
8. a kind of temperature fuse with double protection functions according to claim 1 is characterized in that: the described fuse that recovers consists of memory security silk repeatedly, this repeatedly the memory security silk be the alloy of titanium and nickel.
9. according to claim 1～8 described a kind of temperature fuses with double protection functions of any one is characterized in that: described insulation shell is rectangle housing, square housing, rhombus housing, cylindrical housings or axial shape housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203019547U CN203300549U (en) | 2013-05-29 | 2013-05-29 | Temperature fuse protector with dual-protection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203019547U CN203300549U (en) | 2013-05-29 | 2013-05-29 | Temperature fuse protector with dual-protection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300549U true CN203300549U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203019547U Expired - Fee Related CN203300549U (en) | 2013-05-29 | 2013-05-29 | Temperature fuse protector with dual-protection function |
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| CN (1) | CN203300549U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272763A (en) * | 2017-06-15 | 2017-10-20 | 浙江欧焙佳厨具有限公司 | A kind of automatic temperature regulator of the electric cooking appliance with two overheat protection device |
| CN108766853A (en) * | 2018-06-08 | 2018-11-06 | 佛山市仁星电气有限公司 | The main temperature controller of packaged type and temperature control device |
| CN109087835A (en) * | 2018-10-18 | 2018-12-25 | 漳州雅宝电子有限公司 | A kind of thermal fuse-link of twin-stage overtemperature and overcurrent protection |
| CN110379672A (en) * | 2019-08-01 | 2019-10-25 | 广东汇莱德温控器有限公司 | Combined type temperature fuse |
| CN112789771A (en) * | 2018-09-27 | 2021-05-11 | 世界连接股份公司 | Safety device and travel adapter |
| CN116313683A (en) * | 2023-01-10 | 2023-06-23 | 东莞市好度电子科技有限公司 | Overload fuse protector |
-
2013
- 2013-05-29 CN CN2013203019547U patent/CN203300549U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107272763A (en) * | 2017-06-15 | 2017-10-20 | 浙江欧焙佳厨具有限公司 | A kind of automatic temperature regulator of the electric cooking appliance with two overheat protection device |
| CN108766853A (en) * | 2018-06-08 | 2018-11-06 | 佛山市仁星电气有限公司 | The main temperature controller of packaged type and temperature control device |
| CN112789771A (en) * | 2018-09-27 | 2021-05-11 | 世界连接股份公司 | Safety device and travel adapter |
| CN112789771B (en) * | 2018-09-27 | 2023-07-25 | 世界连接股份公司 | Security device and travel adapter |
| CN109087835A (en) * | 2018-10-18 | 2018-12-25 | 漳州雅宝电子有限公司 | A kind of thermal fuse-link of twin-stage overtemperature and overcurrent protection |
| CN110379672A (en) * | 2019-08-01 | 2019-10-25 | 广东汇莱德温控器有限公司 | Combined type temperature fuse |
| CN110379672B (en) * | 2019-08-01 | 2024-02-13 | 广东汇莱德温控器有限公司 | Combined type temperature fuse |
| CN116313683A (en) * | 2023-01-10 | 2023-06-23 | 东莞市好度电子科技有限公司 | Overload fuse protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20210529 |