CN208298645U - A kind of chip voltage grading resistor - Google Patents
A kind of chip voltage grading resistor Download PDFInfo
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- CN208298645U CN208298645U CN201820792328.5U CN201820792328U CN208298645U CN 208298645 U CN208298645 U CN 208298645U CN 201820792328 U CN201820792328 U CN 201820792328U CN 208298645 U CN208298645 U CN 208298645U
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Abstract
The utility model discloses a kind of chip voltage grading resistors, the resistor includes first resistor piece, second resistance piece, 3rd resistor piece, ceramic tile, insulating layer and a plurality of metal pins, first resistor piece, second resistance piece and 3rd resistor piece are fixedly connected sequentially, ceramic tile is arranged in resistor disc lower surface, insulating layer is arranged in resistor disc upper surface, ceramic tile is integrally formed formula with insulating layer and connects, and a plurality of pins are fixed on the side of resistor disc lower part.In the utility model, have additional 3rd resistor piece, there was only first resistor piece and second resistance piece in compared with the prior art, 3rd resistor piece can carry out dividing subtle adjustment, to more precisely control the intrinsic standoff ratio of first resistor piece Yu second resistance piece and 3rd resistor piece, it can be applicable in the design requirement with high-precision requirement in use, and the heat dissipation performance that design has potsherd that can greatly promote resistor disc, so that resistor disc be made integrally to be able to bear stronger pulse energy.
Description
Technical field
The utility model belongs to resistive technologies field, in particular to a kind of chip voltage grading resistor.
Background technique
Electric system at present mostly uses traditional induction voltage transformer to realize the measurement to voltage signal, but electricity
That there are volumes is big for electromagnetic type voltage transformer, dynamic range is small, service band is narrow, ferromagnetic resonance, double measurement cannot short circuit ask
Topic.Electronic type voltage transformer is the principle measurement voltage using resitstance voltage divider, in angular difference, extraordinary more consistent than having in difference
Property and stability, electronic type voltage transformer replace electromagnetic potential transformer become a kind of inevitable trend.
Existing electronic type voltage transformer in use, compensates the resistance of its inside than difference in use
It not can be carried out accurate control, so that it is also just inaccurate to the voltage control distributed between each resistance of its inside, it can not be complete
It is operated at many high requests in practice and heat dissipation effect is poor.
A kind of voltage grading resistor is disclosed in the documents of Patent No. 2015204454836, is related to electronic component
Field.The utility model technical essential includes ceramic tube；It is fixed with the first silver electrode band in one end of the ceramic tube, described
The other end of ceramic tube is fixed with the second silver electrode band, and third silver electrode band, and third silver are further fixed on the ceramic tube
Electrode band is close to the second silver electrode band；Three silver electrode bands are looped around on ceramic tube；Resistive layer is further fixed on ceramic tube；
The ceramic tube both ends are crimped with end cap respectively, and two end caps are respectively by least part of the silver electrode band at ceramic tube both ends
It covers, offers screw hole and fill orifice in two end caps；An anchor ear is additionally provided with around the ceramic tube, and the anchor ear is by third
At least part of silver electrode band covers.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of good heat dissipation effect, by existing electricity
A resistor disc is added in resistance piece to realize the purpose chip voltage grading resistor of high-precision partial pressure adjusting；
Another of the utility model is designed to provide a kind of chip voltage grading resistor, and the resistor structure is simple, adds
Work is at low cost, 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 chip voltage grading resistor, which includes first resistor piece, second resistance piece,
Three resistor discs, ceramic tile, insulating layer and a plurality of metal pins, the first resistor piece, second resistance piece and 3rd resistor
Piece is fixedly connected sequentially, and in resistor disc lower surface, the insulating layer is arranged in resistor disc upper surface, institute for the ceramics tile setting
It states ceramic tile to connect with insulating layer integrated molding formula, a plurality of pins are fixed on the side of resistor disc lower part.In this reality
In novel, have additional 3rd resistor piece, compared with the prior art in only first resistor piece and second resistance piece, third electricity
Resistance piece can carry out dividing subtle adjustment, to more precisely control first resistor piece and second resistance piece and 3rd resistor piece
Intrinsic standoff ratio, can be applicable in the design requirement with high-precision requirement in use, and design have potsherd that can mention significantly
The heat dissipation performance for rising resistor disc, so that resistor disc be made integrally to be able to bear stronger pulse energy.
Further, which includes the first metal pins, the second metal pins, third gold pin and the 4th gold medal
Belong to pin, first metal pins are fixedly connected on resistor disc head end, and second metal pins and third metal pins are suitable
Secondary to be fixed in the middle part of resistor disc, the 4th metallic resistance is fixed on resistor disc tail end, and wherein first metal pins are high pressure
End, the second pin, third pin and the 4th pin are to pick out end.It is designed to the chip of four exits, three resistance
Potential-divider network, intrinsic standoff ratio (R1+R2+R3)/R2/R3, voltage coefficient 0.3PPM/V, can be applicable in use with it is high-precision
It spends in desired design requirement.
Further, the first resistor piece resistance value is 10M Ω, and second resistance piece resistance value is 10K Ω, the resistance of 3rd resistor piece
Value is 1K Ω, and the resistor disc absolute precision is 1%, relative accuracy 0.3%, absolute temperature coefficient 50PPM, relative temperature
Coefficient is less than 25PPM, rated power 10W, maximum working voltage 12KV.
The advantage of the utility model is: compared with the prior art, in the utility model, having additional 3rd resistor
Piece, compared with the prior art in only first resistor piece and second resistance piece, 3rd resistor piece can carry out dividing subtle adjustment,
To more precisely control the intrinsic standoff ratio of first resistor piece Yu second resistance piece and 3rd resistor piece, can fit in use
With in the design requirement with high-precision requirement, and the heat dissipation performance that design has potsherd that can greatly promote resistor disc, to make
Resistor disc is integrally able to bear stronger pulse energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model chip voltage grading resistor.
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 chip voltage grading resistor, the resistor include first resistor piece 1,
Second resistance piece 2,3rd resistor piece 3, ceramic tile 4, insulating layer 5 and a plurality of metal pins, first resistor piece, second resistance
Piece and 3rd resistor piece are fixedly connected sequentially, and in resistor disc lower surface, insulating layer 5 is arranged on resistor disc for the ceramic setting of tile 4
Surface, ceramic tile 4 and insulating layer 5 are integrally formed formula and connect, and a plurality of pins are fixed on the side of resistor disc lower part.In this reality
In novel, have additional 3rd resistor piece, compared with the prior art in only first resistor piece and second resistance piece, third electricity
Resistance piece can carry out dividing subtle adjustment, to more precisely control first resistor piece and second resistance piece and 3rd resistor piece
Intrinsic standoff ratio, can be applicable in the design requirement with high-precision requirement in use, and design have potsherd that can mention significantly
The heat dissipation performance for rising resistor disc, so that resistor disc be made integrally to be able to bear stronger pulse energy.
In the present embodiment, which includes the first metal pins 6, the second metal pins 7, third gold pin 8
With the 4th metal pins 9, the first metal pins 6 are fixedly connected on resistor disc head end, the second metal pins 7 and third metal pins
8 are sequentially fixed in the middle part of resistor disc, and the 4th metallic resistance 9 is fixed on resistor disc tail end, wherein the first metal pins 6 are high pressure
End, second pin 7, third pin 8 and the 4th pin 9 are to pick out end.It is designed to four exits, the chip of three resistance divides
Pressure network network, intrinsic standoff ratio (R1+R2+R3)/R2/R3, voltage coefficient 0.3PPM/V can be applicable in and high-precision in use
It is required that design requirement in.
In the present embodiment, 6 resistance value of first resistor piece is 10M Ω, and 7 resistance value of second resistance piece is 10K Ω, 3rd resistor piece
8 resistance values are 1K Ω, and the resistor disc absolute precision is 1%, relative accuracy 0.3%, and absolute temperature coefficient 50PPM is relatively warm
It spends coefficient and is less than 25PPM, rated power 10W, maximum working voltage 12KV.
The advantage of the utility model is: compared with the prior art, in the utility model, having additional 3rd resistor
Piece, compared with the prior art in only first resistor piece and second resistance piece, 3rd resistor piece can carry out dividing subtle adjustment,
To more precisely control the intrinsic standoff ratio of first resistor piece Yu second resistance piece and 3rd resistor piece, can fit in use
With in the design requirement with high-precision requirement, and the heat dissipation performance that design has potsherd that can greatly promote resistor disc, to make
Resistor disc is integrally able to bear stronger pulse energy.
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 (3)
1. a kind of chip voltage grading resistor, which includes first resistor piece, second resistance piece, 3rd resistor piece, ceramic porcelain
Piece, insulating layer and a plurality of metal pins, which is characterized in that the first resistor piece, second resistance piece and 3rd resistor piece according to
Secondary to be fixedly connected, in resistor disc lower surface, the insulating layer is arranged in resistor disc upper surface, the pottery for the ceramics tile setting
Porcelain tile is integrally formed formula with insulating layer and connects, and a plurality of pins are fixed on the side of resistor disc lower part.
2. chip voltage grading resistor as described in claim 1, which is characterized in that the metal pins include the first metal pins,
Second metal pins, third gold pin and the 4th metal pins, first metal pins are fixedly connected on resistor disc head end,
Second metal pins and third metal pins are sequentially fixed in the middle part of resistor disc, and the 4th metal pins are fixed on resistance
Piece tail end, wherein first metal pins are high-voltage end, second metal pins, third metal pins and the 4th metal draw
Foot is to pick out end.
3. chip voltage grading resistor as described in claim 1, which is characterized in that the first resistor piece resistance value is 10M Ω, the
Two resistor disc resistance values are 10K Ω, and 3rd resistor piece resistance value is 1K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792328.5U CN208298645U (en) | 2018-05-25 | 2018-05-25 | A kind of chip voltage grading resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820792328.5U CN208298645U (en) | 2018-05-25 | 2018-05-25 | A kind of chip voltage grading resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208298645U true CN208298645U (en) | 2018-12-28 |
Family
ID=64727290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820792328.5U Active CN208298645U (en) | 2018-05-25 | 2018-05-25 | A kind of chip voltage grading resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208298645U (en) |
-
2018
- 2018-05-25 CN CN201820792328.5U patent/CN208298645U/en active Active
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