CN208240427U - A kind of small-size multifunction shape temperature resistance - Google Patents
A kind of small-size multifunction shape temperature resistance Download PDFInfo
- Publication number
- CN208240427U CN208240427U CN201820200208.1U CN201820200208U CN208240427U CN 208240427 U CN208240427 U CN 208240427U CN 201820200208 U CN201820200208 U CN 201820200208U CN 208240427 U CN208240427 U CN 208240427U
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- Prior art keywords
- metal cap
- alloy silk
- temperature
- shell
- small
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- 239000000919 ceramic Substances 0.000 claims abstract description 22
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000004806 packaging method and process Methods 0.000 claims description 17
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- 229920001342 Bakelite® Polymers 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
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- 229910052802 copper Inorganic materials 0.000 claims description 3
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- 239000012057 packaged powder Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
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- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 2
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- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
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- Details Of Resistors (AREA)
Abstract
The utility model discloses a kind of small-size multifunction shape temperature resistances, it include ceramic shell, electric resistance alloy silk and temperature alloy silk, it is respectively fixed with the first metal cap and third metal cap at the both ends of ceramic shell, is fixed with the second metal cap between the first metal cap and third metal cap；The both ends of electric resistance alloy silk are separately connected the first metal cap and the second metal cap, and the both ends of temperature alloy silk are separately connected the second metal cap and third metal cap.The utility model can effectively eliminate electric component because of the security risk of abnormal high temperature produced by failure and high pressure by the way that electric resistance alloy silk and temperature alloy silk are together in series；Electric resistance alloy silk is directly wound in the outer surface of insulation shell, temperature alloy also abuts directly on ceramic shell surface and is not take up its inner space, the volume of insulation shell can be greatly reduced, shape temperature resistance is set to accomplish that volume is smaller, to adapt to more small and exquisite circuit board, and overall structure is simple, and it is easy to assembly, material cost and cost of labor can be saved.
Description
Technical field
The utility model relates to circuit safety accessory technical fields, and in particular to a kind of peace in electronic electric equipment
Full guard shape temperature resistance.
Background technique
Traditional temperature fuse is connected in series by insulation shell, disposable fusible link and resistance wire, and resistance wire is entire
There is partial pressure effect to disposable fusible link in circuit.Temperature fuse is a kind of safety fittings, the purpose is to for prevent life family
Safety accident caused by unknown fire of the unexpected occurrence cause such as electricity, electronic equipment etc., the effect of the accessory are more than specific
Temperature adstante febre, fusible metal alloy fuse will disconnect route to prevent the safety accidents such as short circuit, fire, fuse it is applicable
Inside the product of nearly all fever, including in household electrical appliances, electric appliance and automobile etc., for example, hair dryer, refrigerator, micro-wave oven, electric meal
It stews, washing machine, TV, oven, electric furnace, transformer, duplicator, charger etc..
In general, it all installs in circuit for the disposable fuse of protection power source circuit to protect former component to exist
Occur nipping off immediately when temperature reaches disposable fuse rated temperature in work, effective protection original component is without damage, plays
Safety protection function.
Due to the inside and outside of temperature fuse be it is in series by disposable fusible link and resistance wire, in insulation shell
The volume in portion must be sufficient to accommodate two components of disposable fusible link and resistance wire, therefore the whole body of existing temperature fuse
Product is larger, is commonly available on biggish circuit board, the adaptation range of existing temperature fuse is caused to have certain limitation.
However, the volume small form factor requirements with electronic product are higher and higher, to meet the needs of market, while volume is excessive in route
Can also there be serious drawback in terms of accommodation space.In addition, such as will inside insulation shell simultaneously accommodate disposable fusible link and
Two components of resistance wire, it is more demanding in terms of product quality and assembly technology, cause whole production cost higher.
Utility model content
The utility model is directed to disadvantage of the existing technology, provide a kind of simple structure, compact, it is at low cost and
Assembly process is simple, Thermal Cutoffs and wirewound resistor are integrated in one, were provided simultaneously with the small-sized of mild overcurrent protection function
Multi-functional temp resistor.
In order to solve the above technical problems, the utility model adopts the following technical solution: a kind of small-size multifunction temperature and resistance
Device, it is characterised in that: include ceramic shell and fusing part, the both ends of ceramic shell be respectively fixed with the first metal cap and
Third metal cap, and the second metal cap is further fixed on the ceramic shell between the first metal cap and third metal cap；It is described
Fusing part includes electric resistance alloy silk and temperature alloy silk, and the both ends of electric resistance alloy silk are separately connected the first metal cap and second
Metal cap forms the electric connection structure between the first metal cap and the second metal cap；The both ends of temperature alloy silk are separately connected
Two metal caps and third metal cap form the electric connection structure between the second metal cap and third metal cap；First metal cap connects
It is connected to the first conductive base pin, third metal cap is connected with the second conductive base pin, and certainly, link position can be exchanged；Ceramics
Shell is packaged in an encapsulation together with the first metal cap, electric resistance alloy silk, the second metal cap, temperature alloy silk and third metal cap
In insulation shell, the first conductive base pin and the second conductive base pin are stretched out in outside packaging insulating shell.
Preferably, the electric resistance alloy silk is spirally wound in the ceramic case between the first metal cap and the second metal cap
Body surface face；And temperature alloy silk is close to the ceramic shell surface between the second metal cap and third metal cap and is arranged.
Preferably, the surface of the temperature alloy silk is coated with fluxing agent, and temperature alloy silk is melting temperature 65~280
Between DEG C, carrying electric current between 1A~30A, resistance is between 0.5~100 ohm and resistor power is in 0.25~3W
Between temperature alloy silk.
Preferably, packaging insulating shell is formed by heat-shrinkable T bush, plastic cement insulation shell or coating oxidation film paint.
Preferably, the packaging insulating shell covers control using plastic material, bakelite material, ceramic material or thermoplastic
At.
Preferably, the shape of the packaging insulating shell is box-shaped, cylinder or diamond shape.
It preferably, is epoxy resin or quartz packaged powder in the intracorporal casting glue of packaging insulating shell.
Preferably, first metal cap, the second metal cap and third metal cap are copper cap, chapeau de fer or aluminium cap.
Electric resistance alloy silk has partial pressure effect to resistor in entire circuit.When power ratio temperature alloy filament voltage is high,
Then, since electric resistance alloy silk has voltage divide function, resistor string can not be given the direct turn-on power of resistor, in this case
Join a suitable electric resistance alloy silk, allows it to share a part of voltage, so that resistor is worked normally under specified voltage, just
Not will lead to due to supply voltage is high and the problem of cause resistor to burn out.
The utility model is by the way that electric resistance alloy silk and temperature alloy silk to be together in series, and being allowed to connect is integral, safety
Property is higher, can effectively eliminate electric component because of the security risk of abnormal high temperature produced by failure and high pressure, prevent safe thing comprehensively
Therefore generation；In addition, electric resistance alloy silk is directly wound in the outer surface of insulation shell, temperature alloy also abuts directly on ceramic shell
Surface is not take up its inner space, can greatly reduce the volume of insulation shell, to reduce the volume of shape temperature resistance entirety, makes
Shape temperature resistance can accomplish that volume is smaller, and to adapt to more small and exquisite circuit board, and overall structure is simple, production technology letter
Just, easy to assembly, it not only saves material cost but also saves man-made assembly cost.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure, 1 is the first metal cap, and 2 be the second metal cap, and 3 be third metal cap, and 4 be ceramic shell, and 5 close for temperature
Spun gold, 6 be electric resistance alloy silk, and 7 be the first conductive base pin, and 8 be the second conductive base pin, and 9 be packaging insulating shell.
Specific embodiment
In the present embodiment, referring to Fig.1, the small-size multifunction shape temperature resistance includes ceramic shell 4 and fuse part
Part is respectively fixed with the first metal cap 1 and third metal cap 3 at the both ends of ceramic shell 4, and in the first metal cap 1 and third
The second metal cap 2 is further fixed on ceramic shell 4 between metal cap 3；The fusing part includes electric resistance alloy silk 6 and temperature
Spend alloy wire 5, the both ends of electric resistance alloy silk 6 are separately connected the first metal cap 1 and the second metal cap 2, formed the first metal cap 1 with
Electric connection structure between second metal cap 2；The both ends of temperature alloy silk 5 are separately connected the second metal cap 2 and third metal cap
3, form the electric connection structure between the second metal cap 2 and third metal cap 3；First metal cap 1 is connected with the first conductive base pin
7, third metal cap 3 is connected with the second conductive base pin 8, and certainly, link position can be exchanged；Ceramic shell 4 and the first gold medal
Belong to cap 1, electric resistance alloy silk 6, the second metal cap 2, temperature alloy silk 5 and third metal cap 5 and is packaged in a packaging insulating shell together
In body 9, the first conductive base pin 7 and the second conductive base pin 8 stretch out in 9 outside of packaging insulating shell.
The electric resistance alloy silk 6 is spirally wound in the ceramic shell 4 between the first metal cap 1 and the second metal cap 2
Surface；And temperature alloy silk 5 is close to 4 surface of ceramic shell between the second metal cap 2 and third metal cap 3 and is arranged.
The surface of the temperature alloy silk 5 be coated with fluxing agent, temperature alloy silk 5 be melting temperature 65~280 DEG C it
Between, carrying electric current between 1A~30A, resistance is between 0.5~100 ohm and resistor power is between 0.25~3W
Temperature alloy silk.
The packaging insulating shell 9 is formed by heat-shrinkable T bush, plastic cement insulation shell or coating oxidation film paint.
Alternatively, the packaging insulating shell 9 is made of plastic material, bakelite material, ceramic material or thermoplastic casing.
The shape of the packaging insulating shell 9 is box-shaped, cylinder or diamond shape.
Casting glue in packaging insulating shell 9 is epoxy resin or quartz packaged powder.
First metal cap 1, the second metal cap 2 and third metal cap 3 are copper cap, chapeau de fer or aluminium cap.
Electric resistance alloy silk 6 has partial pressure effect to resistor in entire circuit.When 5 voltage of power ratio temperature alloy silk is high
When, then, since electric resistance alloy silk 6 has voltage divide function, resistance can not be given the direct turn-on power of resistor, in this case
Device one suitable electric resistance alloy silk of series connection, allows it to share a part of voltage, enables resistor normal work under specified voltage
Make, would not cause due to supply voltage is high and the problem of cause resistor to burn out.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (7)
1. a kind of small-size multifunction shape temperature resistance, it is characterised in that: include ceramic shell and fusing part, in ceramic shell
Both ends be respectively fixed with the first metal cap and third metal cap, and the ceramic case between the first metal cap and third metal cap
The second metal cap is further fixed on body；The fusing part includes electric resistance alloy silk and temperature alloy silk, electric resistance alloy silk
Both ends are separately connected the first metal cap and the second metal cap, form the binding that is electrically connected between the first metal cap and the second metal cap
Structure；The both ends of temperature alloy silk are separately connected the second metal cap and third metal cap, form the second metal cap and third metal cap
Between electric connection structure；First metal cap is connected with the first conductive base pin, and third metal cap is connected with the second conductive base pin；Pottery
Porcelain shell is packaged in an envelope together with the first metal cap, electric resistance alloy silk, the second metal cap, temperature alloy silk and third metal cap
It fills in insulation shell, the first conductive base pin and the second conductive base pin stretch out in outside packaging insulating shell；The electric resistance alloy
Silk is spirally wound in the ceramic shell surface between the first metal cap and the second metal cap；And temperature alloy silk is close to second
Ceramic shell surface setting between metal cap and third metal cap.
2. small-size multifunction shape temperature resistance according to claim 1, it is characterised in that: the surface of the temperature alloy silk
Coated with fluxing agent, temperature alloy silk be melting temperature between 65~280 DEG C, carrying electric current is between 1A~30A, resistance resistance
Value is between 0.5~100 ohm and temperature alloy silk of the resistor power between 0.25~3W.
3. small-size multifunction shape temperature resistance according to claim 1, it is characterised in that: the packaging insulating shell is by warm
Heat-Shrinkable Tubings, plastic cement insulation shell or coating oxidation film paint are formed.
4. small-size multifunction shape temperature resistance according to claim 1, it is characterised in that: the packaging insulating shell uses
Plastic material, bakelite material, ceramic material or thermoplastic casing are made.
5. small-size multifunction shape temperature resistance according to claim 1, it is characterised in that: the shape of the packaging insulating shell
Shape is box-shaped, cylinder or diamond shape.
6. small-size multifunction shape temperature resistance according to claim 1, it is characterised in that: in the intracorporal filling of packaging insulating shell
Sealing is epoxy resin or quartz packaged powder.
7. small-size multifunction shape temperature resistance according to claim 1, it is characterised in that: first metal cap, second
Metal cap and third metal cap are copper cap, chapeau de fer or aluminium cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200208.1U CN208240427U (en) | 2018-02-05 | 2018-02-05 | A kind of small-size multifunction shape temperature resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820200208.1U CN208240427U (en) | 2018-02-05 | 2018-02-05 | A kind of small-size multifunction shape temperature resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240427U true CN208240427U (en) | 2018-12-14 |
Family
ID=64587983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820200208.1U Expired - Fee Related CN208240427U (en) | 2018-02-05 | 2018-02-05 | A kind of small-size multifunction shape temperature resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208240427U (en) |
-
2018
- 2018-02-05 CN CN201820200208.1U patent/CN208240427U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181214 |