CN203415528U - High voltage resistant temperature fuse suitable for high-voltage electric appliance product - Google Patents
High voltage resistant temperature fuse suitable for high-voltage electric appliance product Download PDFInfo
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- CN203415528U CN203415528U CN201320380634.5U CN201320380634U CN203415528U CN 203415528 U CN203415528 U CN 203415528U CN 201320380634 U CN201320380634 U CN 201320380634U CN 203415528 U CN203415528 U CN 203415528U
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- electric appliance
- temperature fuse
- earthenware
- resistance
- insulation shell
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Abstract
The utility model discloses a high voltage resistant temperature fuse suitable for a high-voltage electric appliance product in the field of a safety protection element used for an electric appliance. The high voltage resistant temperature fuse comprises an insulation housing and a fusing part disposed in the insulation housing. The two ends of the fusing part extend with conductive ends; the conductive ends are welded with conductive pins; and the fusing part is formed by connecting a disposable temperature fuse and a resistor in series so that the use of the resistor in a whole circuit can share voltage with the fuse. The resistor is connected in series with the temperature fuse to form the novel high voltage resistant temperature fuse and shares a part of voltage so that the temperature fuse can work normally at a rated voltage, can provide effective temperature protection for the high-voltage electric appliance product and enable the safety factor of the high-voltage electric appliance product to be higher, thus direct damage to the temperature fuse, caused by high power source voltage, can be eliminated, safety hidden risks of abnormal high temperature, generated by faults of an electric appliance part, can be effectively prevented, and safety accidents can be eliminated.
Description
Technical field
The utility model relates to electrical equipment and uses safeguard protection element field, is specifically related to a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance.
Background technology
traditional temperature fuse is by insulation shell, two leading-in conductors and form with the fusible metal alloy fuse of described two leading-in conductor phases welding; It is with a kind of safe accessory that fuse uses, for preventing the not clear security incidents such as fire of the unexpected occurrence cause of life household electrical appliances, 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.
?in general, when being all arranged in circuit to protecting former parts to occur at work reaching temperature fuse rated temperature when overheated for the protection of the temperature fuse of power circuit, nip off immediately, effectively protect component to be without prejudice, play safety protection function.Yet general temperature fuse rated voltage is at 250V; when the electric equipment products that have surpass 250V when overtension is used; owing to having surpassed the rated voltage of temperature fuse; this temperature fuse is owing to can not bearing high-voltage load; can not in these electric equipment products, normally use normally; the temperature protection that can not effectively ensure these electric equipment products, can cause potential safety hazard.
Utility model content
The purpose of this utility model is to solve above defect, provides a kind of simple in structure, can on high voltage electrical equipment, use safely, makes its coefficient of safety higher, effectively prevents that electric component is because of the potential safety hazard of abnormal high temperature that fault produces.
The purpose of this utility model realizes in the following manner:
A kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance, 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 welded with conductive base pin, conductive base pin extends out toward insulation shell opening direction, and in insulation shell, be filled with for the fixing epoxy resin of fusing part and conductive base pin, this fusing part is in series by disposable Thermal Cutoffs and resistance, resistance is used and in whole circuit, disposable Thermal Cutoffs is had to dividing potential drop effect, because resistance is to have a minute compression functions, when power supply is higher than Temperature protection filament voltage, can not be the direct turn-on power of temperature fuse, in this case, to a suitable resistance of Thermal Cutoffs series connection, allow him share a part of voltage, Thermal Cutoffs can be worked under specified voltage, just can not there is the direct infringement that causes temperature fuse because supply voltage is high.
Further, described insulation shell inside is provided with two metallic channels that are used for isolate conductive pin, article two, metallic channel is that vertical setting also is not connected mutually, play insulating effect, double-end two conductive base pins of fusing part respectively through two metallic channels toward extension, two conductive base pins carry out shell seal or again at the inner filling epoxy resin of insulation shell after drawing.
Further, described disposable Thermal Cutoffs is temperature B alloy wire or macromolecule powder shape fuse, and this temperature B alloy wire is mixed the alloy material forming by bismuth, lead, tin and indium; 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 described resistance is chromatic circle resistance, and this chromatic circle resistance is fixed carbon resister, carbon resistance, metalfilmresistor, wire resistor.
Further, described insulation shell consists of plastic material or ceramic material, insulation shell be shaped as box-shaped or cylindrical or rhombus.
Further, described insulation shell inside is provided with earthenware, this earthenware is cylindrical or box-shaped, earthenware two ends have pressed solidly copper cap, disposable Thermal Cutoffs is through inner holes of ceramic tubes, and at disposable Thermal Cutoffs two ends, be welded with copper lead-in wire and the conductive base pin of drawing earthenware, make disposable Thermal Cutoffs be placed in earthenware inside, in earthenware inside, be filled with the epoxy resin for fixing disposable Thermal Cutoffs simultaneously, one end of described resistance and the copper wire bonds of drawing from earthenware, the other end of resistance extends to earthenware surface, and the one end round earthenware from earthenware is wound to the other end, by needed resistance, wind the line back and forth, reach required specified resistance, be welded on recently on copper cap, copper cap is welded with the conductive base pin toward extension.
Further, described disposable Thermal Cutoffs is temperature B alloy wire, this temperature B alloy wire is mixed the alloy material forming by bismuth, lead, tin and indium, on temperature B alloy wire surface, scribble the flux of fluxing action, B alloy wire temperature can be arranged on any temperature spot between 65～280 degrees Celsius, electric current is arranged on any electric current section between 1A-30A, and described resistance is resistance wire.
Further, described insulation shell consists of plastic material or ceramic material, insulation shell be shaped as cylindrical or box-shaped.
the beneficial effect that the utility model produces is: the temperature fuse that forms novel high pressure-resistant to resistance of Thermal Cutoffs series connection, it is simple in structure, allow resistance share a part of voltage, under the dividing potential drop effect of resistance, Thermal Cutoffs can be worked under specified voltage, can on high voltage electric appliance, play effective temperature protection, make its coefficient of safety higher, just can not there is the direct infringement that causes Thermal Cutoffs because supply voltage is high, effectively prevent that electric component is because of the potential safety hazard of abnormal high temperature that fault produces, stop the generation of security incident.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of the utility model embodiment mono-;
Fig. 2 is the overall structure schematic diagram of the utility model embodiment mono-;
Fig. 3 is the schematic internal view of the utility model embodiment bis-;
Fig. 4 is the overall structure schematic diagram of the utility model embodiment bis-;
In figure, (1) insulation shell, (2) conductive base pin, (3) chromatic circle resistance, (4) temperature B alloy wire, (5) metallic channel, (6) epoxy resin, (7) resistance wire, (8) earthenware, (9) copper cap, (10) copper lead-in wire.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
Embodiment mono-, see figures.1.and.2, a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance, comprise insulation shell (1) and be arranged on the inner fusing part of insulation shell (1), described fusing part two ends are extended with conducting end, this conducting end is welded with conductive base pin (2), conductive base pin (2) extends out toward insulation shell (1) opening direction, this fusing part is in series by disposable Thermal Cutoffs and resistance, described disposable Thermal Cutoffs is temperature B alloy wire (4), this temperature B alloy wire is by bismuth, plumbous, tin and indium mix the alloy material forming, described resistance is chromatic circle resistance (3), and described insulation shell (1) consists of plastic material or ceramic case, insulation shell be shaped as box-shaped.Described insulation shell (1) inside is provided with two metallic channels (5) that are used for isolate conductive pin (2), article two, metallic channel (5) is that vertical setting also is not connected mutually, play insulating effect, double-end two conductive base pins of fusing part (2) respectively through two metallic channels (5) toward extension, two conductive base pins (2) are filled with in insulation shell (1) inside after drawing for the fixing epoxy resin (6) of fusing part and conductive base pin (2).Because resistance is to have a minute compression functions, when power supply is higher than Temperature protection filament voltage, can not be the direct turn-on power of temperature fuse, in this case, to a suitable resistance of Thermal Cutoffs series connection, allow him share a part of voltage, Thermal Cutoffs can be worked under specified voltage, just can not have the direct infringement that causes temperature fuse because supply voltage is high.
Embodiment bis-, with reference to Fig. 3 and Fig. 4, a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance, comprise insulation shell (1) and be arranged on the inner fusing part of insulation shell (1), described fusing part two ends are extended with conducting end, this conducting end is welded with conductive base pin (2), conductive base pin (2) extends out toward insulation shell (1) opening direction, this fusing part is in series by disposable Thermal Cutoffs and resistance, described disposable Thermal Cutoffs is temperature B alloy wire (4), this temperature B alloy wire (4) is by bismuth, plumbous, tin and indium mix the alloy material forming, on temperature B alloy wire surface, scribble the flux of fluxing action, temperature B alloy wire temperature can be arranged on any temperature spot between 65～280 degrees Celsius, electric current is arranged on any electric current section between 1A-30A, described resistance is resistance wire (7).Being shaped as of insulation shell (1) is cylindrical.Described insulation shell (1) inside is provided with earthenware (8), this earthenware (8) is cylindrical or box-shaped, earthenware (8) two ends have pressed solidly copper cap (9), disposable Thermal Cutoffs is through earthenware (8) endoporus, and at disposable Thermal Cutoffs two ends, be welded with copper lead-in wire (10) and the conductive base pin (2) of drawing earthenware, make disposable Thermal Cutoffs be placed in earthenware inside, in earthenware (8) inside, be filled with the epoxy resin for fixing disposable Thermal Cutoffs simultaneously, one end of described resistance wire (7) and the copper wire bonds of drawing from earthenware (8), the other end of resistance wire (7) extends to earthenware (8) surface, and from one end of earthenware, be wound to the other end round earthenware (8), be welded on recently on copper cap (9), copper cap is welded with the conductive base pin (2) toward extension, then in insulation shell, be filled with for the fixing epoxy resin of fusing part and conductive base pin (2), described insulation shell (1) consists of resin material, after resin is air-dry, by actual resistance, coat the colour circle sign of identification resistance model.Resistance is used has dividing potential drop effect to disposable Thermal Cutoffs in whole circuit, because resistance is to have a minute compression functions, when power supply is higher than Temperature protection filament voltage, can not be the direct turn-on power of temperature fuse, in this case, to a suitable resistance of Thermal Cutoffs series connection, allow him share a part of voltage, Thermal Cutoffs can be worked under specified voltage, just can not there is the direct infringement that causes temperature fuse because supply voltage is high, effectively prevent that electric component is because of the potential safety hazard of abnormal high temperature that fault produces, stop the generation of security incident.
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 (2)
1. the high pressure resistant temperature fuse being applicable on high voltage electric appliance, 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 welded with conductive base pin, conductive base pin extends out toward insulation shell opening direction, and in insulation shell, be filled with for the fixing epoxy resin of fusing part and conductive base pin, it is characterized in that: this fusing part is in series by disposable Thermal Cutoffs and resistance, resistance is used has dividing potential drop effect to disposable Thermal Cutoffs in whole circuit.
2. a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance according to claim 1, it is characterized in that: described insulation shell inside is provided with two metallic channels that are used for isolate conductive pin, article two, metallic channel is vertical arrange and be not connected mutually, double-end two conductive base pins of fusing part respectively through two metallic channels toward extension.
3. a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance according to claim 2, it is characterized in that: described disposable Thermal Cutoffs is temperature B alloy wire or macromolecule powder shape fuse, 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, described resistance is chromatic circle resistance, and this chromatic circle resistance is fixed carbon resister, carbon resistance, metalfilmresistor, wire resistor.
4. a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance according to claim 2, is characterized in that: described insulation shell consists of plastic material or ceramic material, insulation shell be shaped as box-shaped or cylindrical or rhombus.
5. a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance according to claim 1, it is characterized in that: described insulation shell inside is provided with earthenware, this earthenware is cylindrical or box-shaped, earthenware two ends have pressed solidly copper cap, disposable Thermal Cutoffs is through inner holes of ceramic tubes, and at disposable Thermal Cutoffs two ends, be welded with copper lead-in wire and the conductive base pin of drawing earthenware, make disposable Thermal Cutoffs be placed in earthenware inside, in earthenware inside, be filled with the epoxy resin for fixing disposable Thermal Cutoffs simultaneously, one end of described resistance and the copper wire bonds of drawing from earthenware, the other end of resistance extends to earthenware surface, and the one end round earthenware from earthenware is wound to the other end, be welded on recently on copper cap, copper cap is welded with the conductive base pin toward extension.
6. a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance according to claim 5, is characterized in that: described disposable Thermal Cutoffs is temperature B alloy wire, and described resistance is resistance wire.
7. a kind of high pressure resistant temperature fuse being applicable on high voltage electric appliance according to claim 5, is characterized in that: described insulation shell consists of plastic material or ceramic material, insulation shell be shaped as cylindrical or box-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320380634.5U CN203415528U (en) | 2013-06-29 | 2013-06-29 | High voltage resistant temperature fuse suitable for high-voltage electric appliance product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320380634.5U CN203415528U (en) | 2013-06-29 | 2013-06-29 | High voltage resistant temperature fuse suitable for high-voltage electric appliance product |
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| Publication Number | Publication Date |
|---|---|
| CN203415528U true CN203415528U (en) | 2014-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320380634.5U Expired - Fee Related CN203415528U (en) | 2013-06-29 | 2013-06-29 | High voltage resistant temperature fuse suitable for high-voltage electric appliance product |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI624852B (en) * | 2015-03-25 | 2018-05-21 | 智慧電子股份有限公司 | Fuse resistor and manufacturing method thereof |
| CN110967642A (en) * | 2019-04-30 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Thermal runaway detection circuit and method |
-
2013
- 2013-06-29 CN CN201320380634.5U patent/CN203415528U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI624852B (en) * | 2015-03-25 | 2018-05-21 | 智慧電子股份有限公司 | Fuse resistor and manufacturing method thereof |
| CN110967642A (en) * | 2019-04-30 | 2020-04-07 | 宁德时代新能源科技股份有限公司 | Thermal runaway detection circuit and method |
| US11353515B2 (en) | 2019-04-30 | 2022-06-07 | Contemporary Amperex Technology Co., Limited | Thermal runaway detection circuit and method |
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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: 20140129 Termination date: 20210629 |