CN203433924U - Annular piezoresistor - Google Patents
Annular piezoresistor Download PDFInfo
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- CN203433924U CN203433924U CN201320390541.0U CN201320390541U CN203433924U CN 203433924 U CN203433924 U CN 203433924U CN 201320390541 U CN201320390541 U CN 201320390541U CN 203433924 U CN203433924 U CN 203433924U
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- electrode
- electrodes
- dielectric substrate
- combination
- lateral surface
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Abstract
The utility model provides an annular piezoresistor comprising an annular ceramic dielectric substrate and a compound electrode connected to the annular ceramic dielectric substrate, wherein at least three separated end-face compound electrodes are connected to one end face of the annular ceramic dielectric substrate. At least three separated external side face compound electrodes are connected to the external side surface of the annular ceramic dielectric substrate, or at least three separated internal side face compound electrodes are connected to the internal side surface of the annular ceramic dielectric substrate, or at least three separated external side face compound electrodes are connected to the external side surface of the annular ceramic dielectric substrate and at least three separated internal side face compound electrodes are connected to the internal side surface of the annular ceramic dielectric substrate. The annular piezoresistor has the beneficial effects that an electrode area is increased, so that the electric capacity is enhanced, noise-absorbing capacity is improved and the metal electrode material cost is reduced.
Description
Technical field
The utility model relates to a kind of varistor, relates in particular to a kind of annular voltage-sensitive resistor.
Background technology
In recent years, the application of annular voltage-sensitive resistor is constantly expanded, and from being applied to sound equipment motor, walkman, VCD, DVD motor, to being applied to toy motors, household electrical appliance motor.At present, along with the raising that the de-noising effect to automobile requires, annular voltage-sensitive resistor is also more and more widely used in vehicle electric motor, i.e. motor.Annular voltage-sensitive resistor is installed on gas valve motor and can be absorbed motor at the electric spark of opening closing course and producing during at High Rotation Speed, thereby abate the noise interferences, raising fail safe.
On the annular electro resistance body end face of existing annular voltage-sensitive resistor, be coated with thick silver electrode, further, annular voltage-sensitive resistor is based on ohm property demand, must first be coated with one deck ohm silver layer Hou, be coated with again the noble metals such as one deck silver electrode layer as electrode material, directly caused metal material to waste greatly.
Utility model content
The utility model provides a kind of annular voltage-sensitive resistor, combine the base metal combination electrode patent (number of patent application: technical scheme 201310177249.5) of the applicant's application, the recycling end face combination electrode mode in parallel with lateral surface combination electrode or medial surface combination electrode, solved and both increased electrode area, improve the ability that absorbs noise, reduce costs again, save the technical problem of metal electrode material.
In order to solve the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of annular voltage-sensitive resistor is provided, comprises ring-shaped pottery dielectric substrate and be attached at the combination electrode on described ring-shaped pottery dielectric substrate, on one of them end face of described ring-shaped pottery dielectric substrate, link and have at least three end face combination electrodes.
Further, on the lateral surface of described ring-shaped pottery dielectric substrate or medial surface, link and have at least three lateral surface combination electrodes or at least three medial surface combination electrodes, described at least three lateral surface combination electrodes or at least three medial surface combination electrodes all independently exist.
Again further, on the lateral surface of described ring-shaped pottery dielectric substrate or medial surface, link and have at least three lateral surface combination electrodes or at least three medial surface combination electrodes, described at least three lateral surface combination electrodes or at least three medial surface combination electrodes, be connected with described at least three end face combination electrodes respectively.
Or, further, on the lateral surface of described ring-shaped pottery dielectric substrate and medial surface, link and have at least three lateral surface combination electrodes and at least three medial surface combination electrodes respectively, described at least three lateral surface combination electrodes and at least three medial surface combination electrodes are all connected in parallel with described at least three end face combination electrodes.
Further, described end face combination electrode, lateral surface combination electrode are identical with medial surface combination electrode three's quantity.
Further, described combination electrode consists of the first electrode layer and the outer field the second electrode lay of bottom, and described the first electrode layer is main electrode layer, and described the second electrode lay is the sub-electrode layer weld layer of holding concurrently.
Further, the electrode material of described the first electrode layer is aluminium electrode material, wherein aluminium electrode material can be fine aluminium, can be also that aluminium content accounts for more than 40% aluminium alloy; The electrode material of described the second electrode lay is copper electrode material, zinc electrode material, tin electrode material or nickel electrode material; Wherein copper electrode material can be fine copper, can be also that copper content accounts for more than 40% copper alloy; Zinc electrode material can be pure zinc, can be also that zinc content accounts for more than 40% kirsite; Tin electrode material can be that pure tin can be also that tin content accounts for more than 40% ashbury metal; Nickel electrode material can be that pure nickel can be also that nickel content accounts for more than 40% nickel alloy.
Further, described ring-shaped pottery dielectric substrate is by SrTiO
3with ZnO, TiO
2, SiC, SnO
2, SiO, ZrO, La
2o
3, one or more mixed sinterings in CaO form.
Annular voltage-sensitive resistor of the present utility model is by adopting base metal combination electrode and the structure that links side electrode in parallel on one of them end face of ring-shaped pottery dielectric substrate, obtained and both increased electrode area, thereby increase capacitance, improve to absorb noise ability, reduce costs again, save the beneficial effect of metal electrode material.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment mono-of the present utility model;
Fig. 2-1,2-2 are the structural representations of embodiment bis-of the present utility model;
Fig. 3-1,3-2 are the structural representations of embodiment tri-of the present utility model;
Fig. 4 is the structural representation of embodiment tetra-of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, specifically illustrate execution mode of the present utility model, accompanying drawing is only for reference and use is described, does not form the restriction to the utility model scope of patent protection.
embodiment 1:
In the present embodiment, the utility model provides a kind of annular voltage-sensitive resistor 1, comprise that ring-shaped pottery dielectric substrate 2 and spraying are attached at the combination electrode 31 on described ring-shaped pottery dielectric substrate, wherein said combination electrode 31 has comprised the first electrode layer 311 and the second electrode lay 312, described the first electrode layer 311 is aluminium electrode layer, described the second electrode lay 312 is copper electrode layer, the aluminium electrode material of described formation aluminium electrode layer 311 is that fine aluminium or aluminium content account for more than 40% aluminium alloy, the copper electrode material of described formation copper electrode layer 312 be fine copper or or copper content account for more than 40% copper alloy, on one of them end face of described ring-shaped pottery dielectric substrate 2, link and have at least three end electrodes 31.As shown in Figure 1, in the present embodiment, on one of them end face of described ring-shaped pottery dielectric substrate 2, link and have three end electrodes 31, at another end face of described ring-shaped pottery dielectric substrate 2 electrodes not.
In the present embodiment, described combination electrode is composited by common base metal aluminium, copper.Thereby exempted the use of precious metal material, reduced the cost of annular voltage-sensitive resistor.
Described ring-shaped pottery dielectric substrate is by SrTiO
3with ZnO, TiO
2, SiC, SnO
2, SiO, ZrO, La
2o
3, one or more mixed sinterings in CaO form.
embodiment 2:
As shown in Fig. 2-1,2-2; the difference of the present embodiment and embodiment 1 is: on any end face of described ring-shaped pottery dielectric substrate 2, all do not spray and link any end electrode 31; only lateral surface or the medial surface spraying link at described ring-shaped pottery dielectric substrate 2 has at least three lateral surface combination electrodes 32 or at least three medial surface combination electrodes 33; wherein said lateral surface combination electrode 32 has comprised the first electrode layer 321 and the second electrode lay 322, and 33 of described medial surface combination electrodes have comprised the first electrode layer 331 and the second electrode lay 332; Described the first electrode layer 321 and 331 is aluminium electrode layer; described the second electrode lay 322 and 332 is zinc oxide electrode layer; described formation aluminium electrode layer 321 and 331 aluminium electrode material are that fine aluminium or aluminium content account for more than 40% aluminium alloy, described formation zinc oxide electrode layer 322 and 332 zinc electrode material be pure zinc or or zinc content account for more than 40% kirsite; In the present embodiment, as shown in Fig. 2-1, the quantity of described lateral surface electrode 32 is three; As shown in Fig. 2-2, the quantity of described medial surface electrode 33 is three.
The difference of the present embodiment and embodiment 1 is also:
Described combination electrode is composited by base metal aluminium, zinc.Thereby further facilitated axial welding, reduced the cost of annular voltage-sensitive resistor, also reduced the time of client's welding assembly.
embodiment 3:
As Fig. 3-1, shown in 3-2, the difference of the present embodiment and embodiment 1 is: except spraying on one of them end face of described ring-shaped pottery dielectric substrate 2 links, have at least three end face combination electrodes 31, also on the lateral surface of described ring-shaped pottery dielectric substrate 2 or medial surface, link and have at least three lateral surface combination electrodes 32 or at least three medial surface combination electrodes 33, wherein said end face combination electrode 31 has comprised the first electrode layer 311 and the second electrode lay 312, lateral surface combination electrode 32 has comprised the first electrode layer 321 and the second electrode lay 322, 33 of described medial surface combination electrodes have comprised the first electrode layer 331 and the second electrode lay 332, described the first electrode layer 311,321 and 331 is aluminium electrode layer, described the second electrode lay 312,322 and 332 is tin electrode layer, described formation aluminium electrode layer 311,321 and 331 aluminium electrode material are that fine aluminium or aluminium content account for more than 40% aluminium alloy, described formation tin electrode layer 312,322 and 332 tin electrode material be pure tin or or tin content account for more than 40% ashbury metal,
Described at least three lateral surface combination electrodes 32 or at least three medial surface combination electrodes 33 are connected in parallel with described at least three end face combination electrodes 31 respectively.
In the present embodiment, described end electrode 31 and lateral surface electrode 32, or described end electrode 31 is identical with the quantity of medial surface electrode 33, and as shown in Fig. 3-1, described end electrode 31 is four with the quantity of lateral surface electrode 32; As shown in Fig. 3-2, the quantity of described end electrode 31 and medial surface electrode 33 is five.
The difference of the present embodiment and embodiment 1 is also:
Described combination electrode is composited by base metal aluminium, tin.More, based on end face combination electrode 31 and side electrode 32 or 33 parallel-connection structures, obtained increase electrode area, thereby increased capacitance, improved the ability of noise that absorbs, not only reduced costs, but also promoted the performance of product.
embodiment 4:
As shown in Figure 4, the difference of the present embodiment and embodiment 1 is: except linking and have at least three end face combination electrodes 31 on one of them end face of described ring-shaped pottery dielectric substrate 2, also on the lateral surface of described ring-shaped pottery dielectric substrate 2 and medial surface, link and have at least three lateral surface combination electrodes 32 and at least three medial surface combination electrodes 33 respectively, wherein said end face combination electrode 31 has comprised the first electrode layer 311 and the second electrode lay 312, lateral surface combination electrode 32 has comprised the first electrode layer 321 and the second electrode lay 322, 33 of described medial surface combination electrodes have comprised the first electrode layer 331 and the second electrode lay 332, described the first electrode layer 311,321 and 331 is aluminium electrode layer, described the second electrode lay 312,322 and 332 is nickel electrode layer, described formation aluminium electrode layer 311,321 and 331 aluminium electrode material are that fine aluminium or aluminium content account for more than 40% aluminium alloy, described formation nickel electrode layer 312,322 and 332 nickel electrode material be pure nickel or or nickel content account for more than 40% nickel alloy,
Described at least three lateral surface electrodes 32 are all connected with described at least three end electrodes 31 with at least three medial surface electrodes 33.
In described end electrode, lateral surface electrode and medial surface electrode, three's quantity is identical, in the present embodiment, as shown in Figure 4, described end electrode, lateral surface electrode are identical with medial surface electrode three's quantity, the quantity of described end electrode 31 is three, and the quantity that the quantity of described medial surface electrode 33 is three described lateral surface electrodes 32 is three.
The difference of the present embodiment and embodiment 1 is also:
Described electrode is composited by aluminium, nickel.Based on end face combination electrode 31 and side electrode 32 and 33 3 utmost point parallel-connection structures, having obtained effective combination electrode area maximizes, thereby maximized capacitance, maximized suction make an uproar demagnetization ability, not only reduced costs, but also optimized the performance of annular voltage-sensitive resistor product.
Above disclosed is only preferred embodiment of the present utility model, can not limit rights protection scope of the present utility model with this, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (7)
1. an annular voltage-sensitive resistor, comprises ring-shaped pottery dielectric substrate and is attached at the combination electrode on described ring-shaped pottery dielectric substrate, it is characterized in that:
On one of them end face of described ring-shaped pottery dielectric substrate, link and have at least three separated end face combination electrodes.
2. annular voltage-sensitive resistor according to claim 1, is characterized in that:
On the lateral surface of described ring-shaped pottery dielectric substrate or medial surface, link and have at least three separated lateral surface combination electrodes or at least three separated medial surface combination electrodes.
3. annular voltage-sensitive resistor according to claim 2, is characterized in that:
Described at least three lateral surface combination electrodes or at least three medial surface combination electrodes are connected with described at least three end face combination electrodes respectively.
4. annular voltage-sensitive resistor according to claim 1, is characterized in that:
On the lateral surface of described ring-shaped pottery dielectric substrate and medial surface, link and have at least three lateral surface combination electrodes and at least three medial surface combination electrodes respectively, described at least three lateral surface electrodes are all connected with described at least three end electrodes with at least three medial surface electrodes.
5. according to the annular voltage-sensitive resistor described in claim 2,3 or 4, it is characterized in that:
Described end face combination electrode, lateral surface combination electrode are identical with medial surface combination electrode three's quantity.
6. annular voltage-sensitive resistor according to claim 1, it is characterized in that: described combination electrode consists of the first electrode layer and the outer field the second electrode lay of bottom, described the first electrode layer is main electrode layer, and described the second electrode lay is the sub-electrode layer weld layer of holding concurrently.
7. annular voltage-sensitive resistor according to claim 6, is characterized in that: the electrode material of described the first electrode layer is aluminium electrode material; Wherein aluminium electrode material can be fine aluminium, can be also that aluminium content accounts for more than 40% aluminium alloy; The electrode material of described the second electrode lay is copper, zinc, tin or nickel; Wherein copper electrode material can be fine copper, can be also that copper content accounts for more than 40% copper alloy; Zinc electrode material can be pure zinc, can be also that zinc content accounts for more than 40% kirsite; Tin electrode material can be that pure tin can be also that tin content accounts for more than 40% ashbury metal; Nickel electrode material can be that pure nickel can be also that nickel content accounts for more than 40% nickel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390541.0U CN203433924U (en) | 2013-07-02 | 2013-07-02 | Annular piezoresistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320390541.0U CN203433924U (en) | 2013-07-02 | 2013-07-02 | Annular piezoresistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203433924U true CN203433924U (en) | 2014-02-12 |
Family
ID=50062949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320390541.0U Expired - Lifetime CN203433924U (en) | 2013-07-02 | 2013-07-02 | Annular piezoresistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203433924U (en) |
-
2013
- 2013-07-02 CN CN201320390541.0U patent/CN203433924U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |