CN2550884Y - Multiple electrode circular piezo-dependent resistor - Google Patents
Multiple electrode circular piezo-dependent resistor Download PDFInfo
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- CN2550884Y CN2550884Y CN 02225950 CN02225950U CN2550884Y CN 2550884 Y CN2550884 Y CN 2550884Y CN 02225950 CN02225950 CN 02225950 CN 02225950 U CN02225950 U CN 02225950U CN 2550884 Y CN2550884 Y CN 2550884Y
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Abstract
The utility model relates to a multi-electrode annular piezo-resistor, comprising an annular resistance body and a plurality of electrodes. The utility model is characterized in that the electrodes are connected with the annular resistance body; a plurality of electrodes on the two end faces and lateral face are connected together. Compared with the prior art, the utility model has the advantages of rational structure, increased electrode area and capacitance, greatly improved service performance, noise elimination effect, selection speed and reliability, reduced technical requirements on selection device, effectively saved operating time and greatly improved productivity.
Description
(1) technical field
The utility model relates to a kind of varistor, particularly a kind of multielectrode ring voltage-sensitive resistor.
(2) background technology
Annular multi-electrode varistor (number of electrodes 〉=3 that generally are used for the electrical micro-machine de-noising, normally form down together) by annular electro resistance body and electrode, the annular electro resistance body is by electron ceramic material moulding such as zinc oxide, sintering forms, electrode can be divided into two kinds of end electrode and side electrodes by the position of its distribution, the annular multi-electrode varistor of existing band edge face electrode as shown in Figure 1, its positive three electrodes 1 are distributed on arbitrary end face of annular electro resistance body 2, the band side electrode annular multi-electrode varistor as shown in Figure 2, three electrodes 3 in its side are distributed on the lateral surface of annular electro resistance body 2; Existing these two kinds annular multi-electrode varistors, its a plurality of electrodes all are that electrode area is little on upper surface, lower surface or the lateral surface thrin that only is positioned at the annular electro resistance body, and capacitance is less; And capacitance is more little, and its ability that absorbs noise is poor more; On the other hand, in actual production because need detect product, sorting, and the annular multi-electrode varistor of existing band edge face electrode only at one end is provided with multi-electrode on the face, thereby in detection and branch selection operation, just need down this resistor upset ability normal running as the belt electrode end face, in production in enormous quantities, will increase workload like this, expend the operating time, reduce operating efficiency.
(3) summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, and a kind of rational in infrastructure, serviceability good, production efficiency obviously improves multielectrode ring voltage-sensitive resistor is provided.
The purpose of this utility model is achieved through the following technical solutions: this multielectrode ring voltage-sensitive resistor includes annular electro resistance body and electrode, electrode is attached on the annular electro resistance body, described electrode includes both ends of the surface electrode and side electrode, and both ends of the surface electrode and side electrode partly or entirely link together.
Described side electrode is distributed on the lateral surface of annular electro resistance body or medial surface or both.
It is triangle, trapezoidal or erose ring bodies that described annular electro resistance body can be annulated column shape, annular or cross section.
Described side electrode is made of the small electrode that separates, and side electrode is not communicated with any two electrodes on arbitrary end face.
Described both ends of the surface electrode is made of the small electrode that separates, and the both ends of the surface electrode is not communicated with any two electrodes on the side.
Described annular electro resistance body is fired by one or more doping of ZnO, SrTiO3, TiO2, SiC, SnO2 material and is formed.
Described electrode can be made one or more of metal material of electrode and make by Ag, Cu, Au, Al, Ni, Pt, Sn, Zn, In-Ga, Pd, Cd etc.
The number of electrodes of described multielectrode ring voltage-sensitive resistor is more than three or three.
Action principle of the present utility model is: this multielectrode ring voltage-sensitive resistor both ends of the surface and side are distributed with electrode, increased the area of electrode with respect to existing multielectrode ring voltage-sensitive resistor, thereby increased capacitance, can improve the de-noising effect of electrical micro-machine like this; On the other hand, in detection, assorting room, the electrode that this multielectrode ring voltage-sensitive resistor both ends of the surface all are distributed with makes operating process need not to differentiate tow sides.
The utility model has following advantage with respect to prior art: (1) has increased capacitance simultaneously because this multielectrode ring voltage-sensitive resistor has increased the area of electrode with respect to prior art, thereby serviceability significantly improves, and de-noising effect obviously improves; After testing, this multielectrode ring voltage-sensitive resistor that is distributed with electrode at both ends of the surface and lateral surface is compared with existing single face multi-electrode varistor, capacitance increase be twice about, can significantly improve the de-noising effect of electrical micro-machine; (2) because end electrode of this multielectrode ring voltage-sensitive resistor and side electrode interconnection have reduced the specification requirement to screening installation, improve separation velocity, increased reliability; The operator also need not to distinguish positive and negative when detecting simultaneously, thereby can save the operating time effectively, obviously enhances productivity.
(4) description of drawings
Fig. 1 is the structural representation of the annular multi-electrode varistor of existing band edge face electrode.
Fig. 2 is the structural representation of the annular multi-electrode varistor of existing side electrode.
Fig. 3 is the structural representation of this annular multi-electrode varistor.
Fig. 4 is another structural representation of this annular multi-electrode varistor.
Fig. 5 is the another structural representation of this annular multi-electrode varistor.
Fig. 6 is a structural representation again of this annular multi-electrode varistor.
Fig. 7 is the schematic diagram of the 5th kind of structure of this annular multi-electrode varistor.
Fig. 8 is the schematic diagram of the 6th kind of structure of this annular multi-electrode varistor.
Fig. 9 is the schematic diagram of the 7th kind of structure of this annular multi-electrode varistor.
Figure 10 is the schematic diagram of the 8th kind of structure of this annular multi-electrode varistor.
Figure 11 is the schematic diagram of the 9th kind of structure of this annular multi-electrode varistor.
Figure 12 is the schematic diagram of the tenth kind of structure of this annular multi-electrode varistor.
Figure 13 is the schematic diagram of the 11 kind of structure of this annular multi-electrode varistor.
(5) embodiment
Below in conjunction with embodiment the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1
Fig. 3 shows concrete structure of the present utility model, as seen from Figure 3, this annular multi-electrode varistor is made of annular electro resistance body 2 and three electrodes 4, electrode 4 is attached on the annular electro resistance body 2, annular electro resistance body 2 be shaped as annulated column shape, three electrodes 4 are made of three parts of the upper surface that is distributed in the annular electro resistance body, lower surface and lateral surface respectively, and three parts that electrode 4 is distributed in annular electro resistance body 2 upper surfaces, lower surface and lateral surface link together.
Fig. 4 shows another kind of structure of the present utility model, as seen from Figure 4, this annular multi-electrode varistor is made of annular electro resistance body 2 and five electrodes 5, electrode 5 is attached on the annular electro resistance body 2, annular electro resistance body 2 be shaped as annulated column shape, five electrodes 5 are made of three parts of the upper surface that is distributed in the annular electro resistance body, lower surface and medial surface respectively, and three parts that electrode 5 is distributed in annular electro resistance body 2 upper surfaces, lower surface and medial surface link together.
Embodiment 3
Fig. 5 shows another structure of the present utility model, as seen from Figure 5, this annular multi-electrode varistor is made of annular electro resistance body 2 and four electrodes 6, electrode 6 is attached on the annular electro resistance body 2, annular electro resistance body 2 be shaped as annulated column shape, four electrodes 6 are made of the upper surface that is distributed in annular electro resistance body 2, lower surface, medial surface and lateral surface four parts respectively, and four parts that electrode 6 is distributed in annular electro resistance body 2 upper surfaces, lower surface, medial surface and lateral surface link together.
Fig. 6 shows another structure of the utility model, as seen from Figure 6, this annular multi-electrode varistor except that following difference remainder with embodiment 1: the electrode part that is distributed in upper surface and lower surface all is made of the small electrode 7 that separates, and small electrode 7 partly links together with the electrode that is distributed in lateral surface.
Fig. 7 shows the 5th kind of structure of the utility model, as seen from Figure 7, this annular multi-electrode varistor except that following difference remainder with embodiment 1: the electrode part that is distributed in lateral surface all is made of the small electrode 8 that separates, and small electrode 8 partly links together with the electrode that is distributed in upper surface and lower surface.
Embodiment 6
Fig. 8 is a cutaway view, show the 6th kind of structure of the utility model, as seen from Figure 8, this annular multi-electrode varistor is made of annular electro resistance body 9 and three electrodes 10, electrode 10 is attached on the annular electro resistance body 9, the cross sectional shape of annular electro resistance body 9 is circular, and three electrodes 10 present banded around distributing in the above symmetrically, that is the upper and lower end face of this annular electro resistance body 9 and in lateral surface all be distributed with electrode 10.
Fig. 9 is a cutaway view, show the 7th kind of structure of the utility model, as seen from Figure 9, this annular multi-electrode varistor is made of annular electro resistance body 11 and three electrodes 12, electrode 12 is attached on the annular electro resistance body 11, the cross sectional shape of annular electro resistance body 11 is a triangle, and three electrodes 12 are made of three parts of three faces that are distributed in the annular electro resistance body respectively, and the electrode of this three part links together.
Embodiment 8
Figure 10 is a cutaway view, show the 8th kind of structure of the utility model, as seen from Figure 10, this annular multi-electrode varistor is made of annular electro resistance body 13 and three electrodes 14, electrode 14 is attached on the annular electro resistance body 13, the cross sectional shape of annular electro resistance body 13 is trapezoidal, and three electrodes 14 are made of four parts of the upper surface that is distributed in annular electro resistance body 13, lower surface, lateral surface, medial surface respectively, and this tetrameric electrode links together.
Figure 11 is a cutaway view, show the 9th kind of structure of the utility model, as seen from Figure 11, this annular multi-electrode varistor is made of annular electro resistance body 15 and three electrodes 16, electrode 16 is attached on the annular electro resistance body 15, the cross sectional shape of annular electro resistance body 15 is irregularly shaped as shown in figure 12, and three electrodes 16 are made of two parts of curved surface that is distributed in annular electro resistance body 15 and medial surface respectively, and this two-part electrode links together.
Figure 12 is a cutaway view, show the tenth kind of structure of the utility model, as seen from Figure 12, this annular multi-electrode varistor is made of annular electro resistance body 17 and three electrodes 18, electrode 18 is attached on the annular electro resistance body 17, the cross sectional shape of annular electro resistance body 17 is the rectangle of band projection as shown in figure 12, and three electrodes 18 are linked together by the each several part on the side face that is distributed in annular electro resistance body 17 respectively and constitute.
Figure 13 is a cutaway view, show the 11 kind of structure of the utility model, as seen from Figure 13, this annular multi-electrode varistor is made of annular electro resistance body 19 and three electrodes 20, electrode 20 is attached on the annular electro resistance body 19, the cross sectional shape of annular electro resistance body 19 is the rectangle of band chamfering as shown in figure 13, and three electrodes 20 are linked together by the each several part on the side face that is distributed in annular electro resistance body 19 respectively and constitute.
Claims (8)
1, a kind of multielectrode ring voltage-sensitive resistor comprises annular electro resistance body and electrode, and electrode is attached on the annular electro resistance body, it is characterized in that: described electrode includes both ends of the surface electrode and side electrode, and both ends of the surface electrode and side electrode link together.
2, multielectrode ring voltage-sensitive resistor according to claim 1 is characterized in that: described side electrode is distributed on the lateral surface of annular electro resistance body or medial surface or both.
3, multielectrode ring voltage-sensitive resistor according to claim 1 is characterized in that: described annular electro resistance body is that annulated column shape, annular or cross section are triangle, trapezoidal or erose ring bodies.
4, multielectrode ring voltage-sensitive resistor according to claim 1 is characterized in that: described side electrode is made of the small electrode that separates, and side electrode is not communicated with any two electrodes on arbitrary end face.
5, multielectrode ring voltage-sensitive resistor according to claim 1 is characterized in that: described both ends of the surface electrode is made of the small electrode that separates, and the both ends of the surface electrode is not communicated with any two electrodes on the side.
6, multielectrode ring voltage-sensitive resistor according to claim 1 is characterized in that: described annular electro resistance body is fired by one or more doping of ZnO, SrTiO3, TiO2, SiC, SnO2 material and is formed.
7, multielectrode ring voltage-sensitive resistor according to claim 1 is characterized in that: one or more make described electrode by Ag, Cu, Au, Al, Ni, Pt, Sn, Zn, In-Ga, Pd, Cd.
8, according to each described multielectrode ring voltage-sensitive resistor of claim 1～6, it is characterized in that: the number of electrodes of described multielectrode ring voltage-sensitive resistor is more than three or three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02225950 CN2550884Y (en) | 2002-02-27 | 2002-02-27 | Multiple electrode circular piezo-dependent resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02225950 CN2550884Y (en) | 2002-02-27 | 2002-02-27 | Multiple electrode circular piezo-dependent resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2550884Y true CN2550884Y (en) | 2003-05-14 |
Family
ID=33703057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02225950 Expired - Fee Related CN2550884Y (en) | 2002-02-27 | 2002-02-27 | Multiple electrode circular piezo-dependent resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2550884Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629986B (en) * | 2003-12-18 | 2010-04-28 | 广东风华高新科技股份有限公司 | Copper electrode strontium titanate annular piezoresistor |
-
2002
- 2002-02-27 CN CN 02225950 patent/CN2550884Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1629986B (en) * | 2003-12-18 | 2010-04-28 | 广东风华高新科技股份有限公司 | Copper electrode strontium titanate annular piezoresistor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |