CN208400640U - A kind of compound overheat protector type coiling insurance line resistor - Google Patents
A kind of compound overheat protector type coiling insurance line resistor Download PDFInfo
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- CN208400640U CN208400640U CN201820953089.7U CN201820953089U CN208400640U CN 208400640 U CN208400640 U CN 208400640U CN 201820953089 U CN201820953089 U CN 201820953089U CN 208400640 U CN208400640 U CN 208400640U
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- fer
- tin plating
- chapeau
- plating chapeau
- resistor
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Abstract
The utility model discloses a kind of compound overheat protector type coilings to insure line resistor, by the way that the first tin plating chapeau de fer is respectively set on ceramic matrix, second tin plating chapeau de fer and the tin plating chapeau de fer of third, between alloy wire winding and the first tin plating chapeau de fer and the second tin plating chapeau de fer, fuse is coated between the second tin plating chapeau de fer and the tin plating chapeau de fer of third, make resistor body and the concatenated structure of fuse, pass through heat transfer working principle, play the role of protective resistor, design insurance silk is coated between the second tin plating chapeau de fer and the tin plating chapeau de fer of third simultaneously, it is for enhancing its heat-conducting area, wherein the second tin plating chapeau de fer is used for fixed resistance body, and such structure design, it reduces in time of production and processing and artificial, mechanical automation operation is realized simultaneously, and then improve production efficiency.
Description
Technical field
The utility model belongs to temperature dependent resistor field, in particular to a kind of compound overheat protector type coiling fuze electricity
Hinder device.
Background technique
Charger or adapter fusion crust event occur at present, the line short or component of main cause charger occur different
Often (such as electrolytic capacitor leaks electrolyte, two, triode short circuit, half failure state of rectifying tube etc. extremely), lead to resistive load mistake
Greatly, it is more than rated operational current, but is less than defined blowout current, such case is known as low current work；Resistor one
It directly continues working in low current conditions, resistance temperature is rising always, finally results in charger and fusion crust occurs, burns shell, shell
Phenomena such as deforming or causing fire.
Prior art discloses a kind of Thermal protection type resistors, resistor and Thermal Cutoffs are become one, not only
Have the function of resistance, but also has the function of overcurrent fuse protection, when being resistively heated to Thermal Cutoffs rated temperature,
Temperature sensor fusing cutting circuit, provides an overheating protection function.Two of the Thermal protection type resistor of the utility model draw
Foot is drawn from two sides, and symmetrical extraction preferably placed in the middle makes two pins on same straight line.Be conducive to the Thermal protection type electricity
The axial braid of device is hindered, convenient for the automatic insertion of pcb board；Meanwhile the fixed block that insulate can ensure that first lead after temperature sensor disconnection
There is enough creepage distances and electric clearance between the second lead.Device disclosed by the utility model is additionally provided with protective shell,
Device be can inhibit because of the explosion generation caused by heavy overload, even if device is generated because heavy overload explodes, explosion can also be produced
Inside housings, shot noise is small, improves its capability of antidetonance, and protective shell can also promote its insulation resistance for raw fragment control
Energy.
But the structure cannot achieve full automatic mechanical processing, it is at high cost.
Utility model content
To solve the above problems, the purpose of this utility model is to provide one kind to be able to achieve automation processing, reduces manually
Compound overheat protector type coiling insure line resistor；
Another of the utility model is designed to provide a kind of compound overheat protector type coiling insurance line resistor, should
Resistor structure is simple, and processing cost is low, is easy to be widely popularized.
To achieve the above object, the technical solution of the utility model is as follows.
The utility model provides a kind of compound overheat protector type coiling insurance line resistor, which includes plural number
A tinned wird, a plurality of tin plating chapeau de fers, ceramic matrix, alloy wire, fuse, a plurality of tin plating chapeau de fers include the first plating
Tin chapeau de fer, the second tin plating chapeau de fer and the tin plating chapeau de fer of third, the first tin plating chapeau de fer and the tin plating chapeau de fer of third are socketed in pottery respectively
The both ends of porcelain basal body, the second tinplate cap are socketed on ceramic matrix and are located at the first tin plating chapeau de fer and the tin plating chapeau de fer of third
Between；A plurality of tinned wirds include the first tinned wird and the second tinned wird, and first tinned wird is welded on
The head end of first tin plating chapeau de fer, second tinned wird are welded on the tail end of the tin plating chapeau de fer of third, the alloy wire winding
On ceramic matrix, and its both ends is connect with the first tin plating chapeau de fer and the second tin plating chapeau de fer respectively；The fuse is coated in the
On ceramic matrix between two tin plating chapeau de fers and the tin plating chapeau de fer of third, and the both ends of fuse respectively with the second tin plating chapeau de fer and
Three tin plating chapeau de fer connections.In the utility model, by the way that the first tin plating chapeau de fer, second tin plating is respectively set on ceramic matrix
Chapeau de fer and the second tin plating chapeau de fer, between alloy wire winding and the first tin plating chapeau de fer and the second tin plating chapeau de fer, fuse is coated in the
Between two tin plating chapeau de fers and the tin plating chapeau de fer of third, make resistor body and the concatenated structure of fuse, by heat transfer working principle, rises
To the effect of protective resistor, while design insurance silk is coated between the second tin plating chapeau de fer and the tin plating chapeau de fer of third, is to be used for
Enhance its heat-conducting area, wherein the second tin plating chapeau de fer is used for fixed resistance body, and such structure designs, and reduction is producing and processing
Time and artificial, while realizing mechanical automation operation, and then improve production efficiency, when electric current increases, resistor body is held
Supervention heat, is transmitted to fuse, and when resistor temperature rises to 250 DEG C of fusing-off temperatures, resistor open circuit fails, to rise
It is perfect to power supplys such as protection light source of charger, adaptor power supplies, illumination drivers, avoid fire.The structure changes
Into can not only accurately control fusing-off temperature, but also have that manufacturing process is simple, designs reasonable, small in size and anti-lightning
The features such as performance is good.
Further, it is fixedly connected between the tin plating chapeau de fer and ceramic matrix by hot melt adhesive.In tin plating chapeau de fer and pottery
Between porcelain basal body, being provided with hot melt adhesive is to keep tin plating chapeau de fer and ceramic matrix fixation stronger, prevents from falling off in use.
Further, the power of the resistor is greater than 1/2W, and resistance value is greater than 0.01 Ω.It is such setting be in overcurrent and
When fuse, protect circuit in other elements from damage.
Further, colour coding paint is also coated on the ceramic matrix.
The advantage of the utility model is: compared with the prior art, in the utility model, by ceramic matrix
It is respectively set the first tin plating chapeau de fer, the second tin plating chapeau de fer and the second tin plating chapeau de fer, alloy wire winding and the first tin plating chapeau de fer and the
Between two tin plating chapeau de fers, fuse is coated between the second tin plating chapeau de fer and the tin plating chapeau de fer of third, makes resistor body and fuse string
The structure of connection plays the role of protective resistor by heat transfer working principle, while design insurance silk is tin plating coated in second
Between chapeau de fer and the tin plating chapeau de fer of third, be for enhancing its heat-conducting area, wherein the second tin plating chapeau de fer be used for fixed resistance body, and
The design of such structure reduces in time of production and processing and artificial, while realizing mechanical automation operation, and then improve life
Efficiency is produced, when electric current increases, resistor body persistent fever is transmitted to fuse, when resistor temperature rises to 250 DEG C of fusing temperature
When spending, resistor open circuit fails, so that it is complete to play the power supplys such as protection light source of charger, adaptor power supplies, illumination driver
It is intact, avoid fire.The improvement of the structure can not only accurately control fusing-off temperature, but also have manufacturing process
Simply, the features such as reasonable, small in size and anti-lightning performance is good is designed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the compound overheat protector type coiling insurance line resistor of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
To achieve the above object, the technical solution of the utility model is as follows.
Shown in Figure 1, the utility model provides a kind of compound overheat protector type coiling insurance line resistor, the resistance
Device includes a plurality of tinned wirds 1, a plurality of tin plating chapeau de fers 2, ceramic matrix 3, alloy wire 4, fuse 5, a plurality of tin plating
Chapeau de fer 2 includes the first tin plating chapeau de fer 21, the second tin plating chapeau de fer 22 and the tin plating chapeau de fer 23 of third, and the first tin plating chapeau de fer 21 and third are plated
Tin chapeau de fer 23 is socketed in the both ends of ceramic matrix 3 respectively, and the second tin plating chapeau de fer 22 is socketed on ceramic matrix 3 and is located at the first plating
Between tin chapeau de fer 21 and the tin plating chapeau de fer 23 of third；A plurality of tinned wirds 1 include the first tinned wird 11 and the second tinned wird
12, the first tinned wird 11 is welded on the head end of first tin plating chapeau de fer 21, and the second tinned wird 12 is welded on third tinplate
The tail end of cap 23, alloy wire 4 are wrapped on ceramic matrix 3, and its both ends respectively with the first tin plating chapeau de fer 21 and the second tinplate
Cap 22 connects；Fuse 5 is coated on the ceramic matrix 3 between the second tin plating chapeau de fer 22 and the tin plating chapeau de fer 23 of third, and is insured
The both ends of silk 5 are connect with the second tin plating chapeau de fer 22 and the tin plating chapeau de fer 23 of third respectively.In the utility model, by ceramics
The first tin plating chapeau de fer, the second tin plating chapeau de fer and the second tin plating chapeau de fer, alloy wire winding and the first tinplate are respectively set on matrix
Between cap and the second tin plating chapeau de fer, fuse is coated between the second tin plating chapeau de fer and the tin plating chapeau de fer of third, is made resistor body and is protected
The dangerous concatenated structure of silk plays the role of protective resistor by heat transfer working principle, while design insurance silk is coated in the
It is for enhancing its heat-conducting area, wherein the second tin plating chapeau de fer is for fixed electricity between two tin plating chapeau de fers and the tin plating chapeau de fer of third
Resistance body, and such structure designs reduces in time of production and processing and artificial, while realizing mechanical automation operation, in turn
Production efficiency is improved, when electric current increases, resistor body persistent fever is transmitted to fuse, when resistor temperature rises to 250
When DEG C fusing-off temperature, resistor open circuit fails, to play protection light source of charger, adaptor power supplies, illumination driver etc.
Power supply is perfect, avoids fire.The improvement of the structure can not only accurately control fusing-off temperature, but also have
Manufacturing process is simple, designs the features such as reasonable, small in size and anti-lightning performance is good.
In the present embodiment, it is fixedly connected between tin plating chapeau de fer 2 and ceramic matrix 3 by hot melt adhesive (figure not depending on).It is plating
Between tin chapeau de fer and ceramic matrix, being provided with hot melt adhesive is to keep tin plating chapeau de fer and ceramic matrix fixation stronger, prevents from using
It falls off in the process.
In the present embodiment, the power of the resistor is greater than 1/2W, and resistance value is greater than 0.01 Ω.Such setting is in overcurrent
When fuse in time, protect circuit in other elements from damage.
In the present embodiment, colour coding paint 6 is also coated on ceramic matrix 1.
The advantage of the utility model is: compared with the prior art, in the utility model, by ceramic matrix
It is respectively set the first tin plating chapeau de fer, the second tin plating chapeau de fer and the second tin plating chapeau de fer, alloy wire winding and the first tin plating chapeau de fer and the
Between two tin plating chapeau de fers, fuse is coated between the second tin plating chapeau de fer and the tin plating chapeau de fer of third, makes resistor body and fuse string
The structure of connection plays the role of protective resistor by heat transfer working principle, while design insurance silk is tin plating coated in second
Between chapeau de fer and the tin plating chapeau de fer of third, be for enhancing its heat-conducting area, wherein the second tin plating chapeau de fer be used for fixed resistance body, and
The design of such structure reduces in time of production and processing and artificial, while realizing mechanical automation operation, and then improve life
Efficiency is produced, when electric current increases, resistor body persistent fever is transmitted to fuse, when resistor temperature rises to 250 DEG C of fusing temperature
When spending, resistor open circuit fails, so that it is complete to play the power supplys such as protection light source of charger, adaptor power supplies, illumination driver
It is intact, avoid fire.The improvement of the structure can not only accurately control fusing-off temperature, but also have manufacturing process
Simply, the features such as reasonable, small in size and anti-lightning performance is good is designed.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (4)
1. line resistor is insured in a kind of compound overheat protector type coiling, which includes a plurality of tinned wirds, plural number
A tin plating chapeau de fer, ceramic matrix, alloy wire, fuse, which is characterized in that a plurality of tin plating chapeau de fers include the first tinplate
Cap, the second tin plating chapeau de fer and the tin plating chapeau de fer of third, the first tin plating chapeau de fer and the tin plating chapeau de fer of third are socketed in ceramic base respectively
The both ends of body, the second tinplate cap be socketed on ceramic matrix and be located at the first tin plating chapeau de fer and the tin plating chapeau de fer of third it
Between；A plurality of tinned wirds include the first tinned wird and the second tinned wird, and first tinned wird is welded on the
The head end of one tin plating chapeau de fer, second tinned wird are welded on the tail end of the tin plating chapeau de fer of third, and the alloy wire is wrapped in
On ceramic matrix, and its both ends is connect with the first tin plating chapeau de fer and the second tin plating chapeau de fer respectively；The fuse is coated in second
On ceramic matrix between tin plating chapeau de fer and the tin plating chapeau de fer of third, and the both ends of fuse respectively with the second tin plating chapeau de fer and third
Tin plating chapeau de fer connection.
2. line resistor is insured in compound overheat protector type coiling as described in claim 1, which is characterized in that the tinplate
It is fixedly connected between cap and ceramic matrix by hot melt adhesive.
3. line resistor is insured in compound overheat protector type coiling as described in claim 1, which is characterized in that the resistor
Power is greater than 1/2W, and resistance value is greater than 0.01 Ω.
4. line resistor is insured in compound overheat protector type coiling as described in claim 1, which is characterized in that the ceramic base
Colour coding paint is also coated on body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820953089.7U CN208400640U (en) | 2018-06-20 | 2018-06-20 | A kind of compound overheat protector type coiling insurance line resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820953089.7U CN208400640U (en) | 2018-06-20 | 2018-06-20 | A kind of compound overheat protector type coiling insurance line resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208400640U true CN208400640U (en) | 2019-01-18 |
Family
ID=65132939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820953089.7U Active CN208400640U (en) | 2018-06-20 | 2018-06-20 | A kind of compound overheat protector type coiling insurance line resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208400640U (en) |
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2018
- 2018-06-20 CN CN201820953089.7U patent/CN208400640U/en active Active
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