CN206249984U - A kind of temperature adjustment resistance trimming power of vehicle resistor disc - Google Patents
A kind of temperature adjustment resistance trimming power of vehicle resistor disc Download PDFInfo
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- CN206249984U CN206249984U CN201621385686.1U CN201621385686U CN206249984U CN 206249984 U CN206249984 U CN 206249984U CN 201621385686 U CN201621385686 U CN 201621385686U CN 206249984 U CN206249984 U CN 206249984U
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- silver
- resistor disc
- temperature adjustment
- vehicle
- adjustment resistance
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Abstract
The utility model discloses a kind of temperature adjustment resistance trimming power of vehicle resistor disc, including resistor disc body, the resistor disc body back side loads the first silver-based, and the area of first silver-based is slightly less than wafer body；The resistor disc body is positive to be provided with the second silver-based at 8~12mm of broadside outside, and some laser scribings are provided between the second silver-based described in two.Temperature adjustment resistance trimming power of vehicle resistor disc high temperature resistant described in the utility model, electrical insulating property is high, and conductance is big, and electrical stability is good；Low cost, cheap, electric performance stablity, qualification rate is high.
Description
Technical field
The utility model belongs to electrical equipment and electrical engineering technical field, and in particular to a kind of temperature adjustment resistance trimming power of vehicle
Resistor disc.
Background technology
Existing resistance resistance trimming technology is mainly using laser resistor trimming method, and the operation principle of laser trimming is by Laser emission
The pulse laser beam that device sends is focused into the luminous point of very little, so as to reach appropriate energy density, to the resistive element of thick-film resistor
Cut, be allowed to film layer melting, evaporation, to change effective conductive area or effective conductive lengths of thick-film resistor conductor, is reached
To the purpose of adjustment thick-film resistor cellular organization.But just for resistance in outermost product, often resistance is desirable to the method
Protected object, so can print one layer of glaze layer on resistive layer, for insulation blocking resistive layer, makes resistive layer not be damaged
Wound, but laser resistor trimming is to act directly on resistive layer, if one layer of glaze of covering on resistive layer, laser resistor trimming will damage glaze layer and
Resistive layer, destroys the outward appearance and electrical property of product.
CN 201610047616.3 discloses 75 kilo-ohms of resistor discs of a kind of temperature resistance trimming and preparation method thereof, the preparation side
Method is taken less than 850 degree of sintering of resistive layer, and control resistance sheet resistance is less than tolerance limit, when recycling glaze layer intermediate sintering temperature, portion
Part glass glaze is penetrated into resistance Rotating fields, can increase the characteristic of resistance, and the product for different resistance ranges presses different temperatures
Stove sintering is returned, to reach increase resistance, yields is ensured from face.The method is not suitable for the production of the less resistance substrate of resistance,
There is certain deficiency in terms of the electric performance stablity of resistance.
Utility model content
In view of the shortcomings of the prior art, the utility model provides a kind of temperature adjustment resistance trimming power of vehicle resistor disc, ensure that
The electric performance stablity of product resistor disc, qualification rate is high, and uses temperature resistance trimming, can effectively control the resistance of product, reduces life
Produce cost.
In order to solve the above technical problems, the utility model provides following technical scheme：A kind of temperature adjustment resistance trimming power of vehicle electricity
Resistance piece, including resistor disc body, the resistor disc body back side load the first silver-based, and the area of first silver-based is slightly less than electricity
Resistance piece body；The resistor disc body is positive to be provided with the second silver-based at 8~12mm of broadside outside, the second silver medal described in two
Some laser scribings are provided between base；The resistor disc body Front has resistive layer, and the resistive layer is arranged on laser
Line with the second silver-based connection back wall into region in；The resistor disc body front is coated with the first glaze coating and the second glaze
Coating, the first glaze coating covers and is coated in resistive layer and extends at 1/4 area of the second silver-based, the second glaze coating covering
In the 1~3m of outside apart from resistor disc body front side long and at 8~12mm on the outside of broadside, and with the second silver-based and first
Glaze coating connects.
The equidistant arrangement of laser scribing.
The resistor disc is rectangle chip ceramic resistor piece, and the ceramic resistor piece is 96% aluminium oxide ceramics resistance
Piece.
Width of the width sum of the length of second silver-based and the second glaze coating less than the first silver-based；Second glaze
Length of the length of coating less than the first silver-based.
The length of the second glaze coating is length sum of the second silver-based width described in two plus laser scribing.
The thickness of first silver-based and the second silver-based is 15~17 μm.
The resistive layer is ruthenium resistance pulp layer.
The beneficial effects of the utility model：
The utility model provides a kind of temperature adjustment resistance trimming power of vehicle resistor disc, described resistor disc high temperature resistant, electrical insulating property
Height, conductance is big, and electrical stability is good；Low cost, it is cheap；The temperature characterisitic of the ruthenium resistance slurry of the resistor disc is one
In the range of constant temperature degree, with the rising of temperature, resistance reduction；Therefore when sintering resistance in 800 DEG C~850 DEG C regions, burn and
Resistance value try one's best positioned at the lower limit of regulation resistance, 85 Ω~90 Ω resistance be it is optimal, the firing temperature of glaze 540 DEG C~
620 DEG C, in this temperature range, the glass in glaze can be penetrated into resistance, increase resistance, in 540 DEG C~620 DEG C areas
Glaze is sintered in domain, and ensures that resistance value added is 10~15 Ω, that is, it is 95~105 Ω to burn the finished product resistance value come.
The utility model provides a kind of temperature adjustment resistance trimming power of vehicle resistor disc, product glaze layer light impulse- free robustness, free from admixture；And
And the resistance of product, in 95 Ω~105 Ω regions, electrical stability is good, and qualification rate is high.
Brief description of the drawings
Fig. 1 is the positive structural representation of the utility model preferred embodiment；
Fig. 2 is the structural representation at the utility model preferred embodiment back side；
Fig. 3 is the structural representation of the utility model preferred embodiment side.
In figure：
First silver-based 1, the second silver-based 2, laser scribing 3, resistive layer 4, the second glaze coating 5 and the first glaze coating 6.
Specific embodiment
The utility model is further described with specific embodiment below, but the utility model does not receive following embodiments
Restriction.
Embodiment 1
As shown in Figures 1 to 3, a kind of temperature adjustment resistance trimming power of vehicle resistor disc, including resistor disc body, the resistor disc body
The back side loads the first silver-based 1, and the area of first silver-based 1 is slightly less than resistor disc body；The resistor disc body it is positive away from
The second silver-based 2 is provided with away from 8~12mm of broadside outside, some laser scribings 3 are provided between the second silver-based 2 described in two；Institute
Stating resistor disc body Front has resistive layer 4, and the resistive layer 4 is arranged on the connection back wall of the silver-based 2 of laser scribing 3 and second
Into region in；The resistor disc body front is coated with the first glaze coating 6 and the second glaze coating 5, and the first glaze coating 6 covers
It is coated in resistive layer and extends at 1/4 area of the second silver-based, the second glaze coating 5 is covered in apart from resistor disc body front
1~the 3m of outside on side long and at 8~12mm of broadside outside, and connects with the second silver-based 2 and the first glaze coating 6.It is described to swash
Light 3 equidistant arrangements of line.The resistor disc is rectangle chip ceramic resistor piece, and the ceramic resistor piece is 96% aluminum oxide
Ceramic resistor piece.Width of the width sum of the length of second silver-based 2 and the second glaze coating 5 less than the first silver-based 1；It is described
Length of the length of the second glaze coating 5 less than the first silver-based 1.The length of the second glaze coating 5 is that the second silver-based 2 described in two is wide
Length sum of the degree plus laser scribing 3.The thickness of the silver-based 2 of first silver-based 1 and second is 15~17 μm.The resistive layer
4 is ruthenium resistance pulp layer.
A kind of preparation technology of the temperature adjustment resistance trimming power of vehicle resistor disc described in embodiment 1, specifically includes following steps：
1) resistance slurry is prepared：Using the ruthenium resistance slurry in mass ratio 1 of 100K Ω and 10 Ω:1 is mixed, and stirring is equal
It is even, it is stand-by；
2) the first silver-based is printed：Resistor disc body is carried out into location and installation in web plate, resistor disc body back side print silver is laggard
Row drying, then repeats to print silver and drying, until the silver thickness of first silver-based at the back side is 15~17 μm；
3) printed resistor layer：By by step 2) treatment resistor disc body change web plate carry out location and installation, to resistance
The front print steps 1 of piece body) prepare ruthenium resistance slurry after dried；
4) the second silver-based is printed：By step 3) treatment resistor disc body front print the second silver-based, carried out after printing
Drying, then repeats to print silver and drying, until the silver thickness of positive second silver-based is 15~17 μm；
5) sinter：By step 4) obtained by resistor disc body be sintered, temperature during sintering by 550 DEG C~720 DEG C~
850 DEG C~850 DEG C~750 DEG C~600 DEG C of temperature curve, guipure speed is sintered for 300mm/min, test resistance after sintering
It is 85~90 Ω, silver thickness is 15~17 μm；
6) glaze layer is printed：By by step 5) the resistor disc body for the treatment of changes web plate and carries out location and installation, front printing
Dried after glaze layer；
7) finished product is sintered to obtain：By by step 6) treatment resistor disc body be sintered, temperature during sintering press 300 DEG C
~420 DEG C~560 DEG C~560 DEG C~450 DEG C~350 DEG C of temperature curve, guipure speed is sintered for 380mm/min, sintering
Test resistance obtains resistor disc in 95 Ω~105 Ω regions afterwards.
A kind of temperature adjustment resistance trimming power of vehicle resistor disc of the present utility model, glaze layer light impulse- free robustness, free from admixture, resistance meets
It is required that, in the region of regulation, electrical stability is good, and, can be in the case of the outermost layer print glaze for ensureing product, in sintering
When control temperature be adjusted resistance, the good product consistency of batch production, qualification rate is high.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (7)
1. a kind of temperature adjustment resistance trimming power of vehicle resistor disc, it is characterised in that including resistor disc body, the resistor disc body back side
The first silver-based is loaded, the area of first silver-based is slightly less than resistor disc body；The resistor disc body is positive apart from broadside
The second silver-based is provided with 8~12mm of outside, some laser scribings are provided between the second silver-based described in two；The resistor disc sheet
Body Front has a resistive layer, the resistive layer be arranged on the connection back wall of laser scribing and the second silver-based into region in；Institute
State resistor disc body front and be coated with the first glaze coating and the second glaze coating, the first glaze coating covers and is coated in resistive layer and extension
To 1/4 area of the second silver-based, the second glaze coating be covered in apart from resistor disc body front side long 1~3m of outside and
At 8~12mm of broadside outside, and connect with the second silver-based and the first glaze coating.
2. a kind of temperature adjustment resistance trimming power of vehicle resistor disc according to claim 1, it is characterised in that described laser scribing etc.
Distance arrangement.
3. a kind of temperature adjustment resistance trimming power of vehicle resistor disc according to claim 1, it is characterised in that the resistance piece
It is rectangle chip ceramic resistor piece, the ceramic resistor piece is 96% aluminium oxide ceramics resistor disc.
4. a kind of temperature adjustment resistance trimming power of vehicle resistor disc according to claim 1, it is characterised in that second silver-based
Width of the width sum of length and the second glaze coating less than the first silver-based；The length of the second glaze coating is less than the first silver-based
Length.
5. a kind of temperature adjustment resistance trimming power of vehicle resistor disc according to claim 1, it is characterised in that the second glaze coating
Length be the second silver-based width described in two plus laser scribing length sum.
6. a kind of temperature adjustment resistance trimming power of vehicle resistor disc according to claim 1, it is characterised in that first silver-based and
The thickness of the second silver-based is 15~17 μm.
7. a kind of temperature adjustment resistance trimming power of vehicle resistor disc according to claim 1, it is characterised in that the resistive layer is ruthenium
Resistance pulp layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385686.1U CN206249984U (en) | 2016-12-16 | 2016-12-16 | A kind of temperature adjustment resistance trimming power of vehicle resistor disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621385686.1U CN206249984U (en) | 2016-12-16 | 2016-12-16 | A kind of temperature adjustment resistance trimming power of vehicle resistor disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206249984U true CN206249984U (en) | 2017-06-13 |
Family
ID=59008289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621385686.1U Active CN206249984U (en) | 2016-12-16 | 2016-12-16 | A kind of temperature adjustment resistance trimming power of vehicle resistor disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206249984U (en) |
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2016
- 2016-12-16 CN CN201621385686.1U patent/CN206249984U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170817 Address after: 417000 Hunan city of Loudi Province Economic and Technological Development Zone two Park Road North and South Qianyuan International Building D7-1 Patentee after: Loudi City An Diyasi electronic ceramics company limited Address before: 417000 Xinhua County, Loudi Province on the town of workers and peasants on the River Road, No. 54, No. Patentee before: Kang Wentao |
|
| TR01 | Transfer of patent right | ||
| CB03 | Change of inventor or designer information |
Inventor after: Kang Dinghua Inventor after: Xu Yulin Inventor after: Liu Xihai Inventor after: Jiang Yong Inventor before: Kang Dinghua Inventor before: Xu Yulin Inventor before: Liu Xihai Inventor before: Jiang Yong Inventor before: Zhao Hao |
|
| CB03 | Change of inventor or designer information |