CN204706406U - A kind of piezo-resistance adopting novel pin method for designing - Google Patents
A kind of piezo-resistance adopting novel pin method for designing Download PDFInfo
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- CN204706406U CN204706406U CN201420731511.6U CN201420731511U CN204706406U CN 204706406 U CN204706406 U CN 204706406U CN 201420731511 U CN201420731511 U CN 201420731511U CN 204706406 U CN204706406 U CN 204706406U
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Abstract
The utility model relates to a kind of piezo-resistance adopting novel pin method for designing, it is characterized in that piezo-resistance has multiple pin, the position of pin and quantity by calculate and current density emulation draws, avaivable electrode sheet connection during input, output more than one pin.Such design can under the prerequisite of the area and volume that do not change original piezo-resistance substrate, electric current is made to sufficiently flow through filler in piezo-resistance, promote the characteristics such as piezo-resistance through-current capability, shock-resistant ability, improve piezo-resistance useful life and degree of protection.
Description
Technical field
The utility model belongs to electric electronic element field.Mainly for piezo-resistance, change its pin configuration, make through-flow performance better.
Background technology
Piezo-resistance is a kind of non-linear overvoltage protection semiconductor element to voltage-sensitive; number of different types can be divided into according to its structure, manufacture process, use material, voltage-current characteristic etc.; common varistor device is metal oxide piezo-resistance, especially Zinc-oxide piezoresistor.Piezo-resistance is different from conventional resistor, and it is made according to the nonlinear characteristic of semi-conducting material, and conventional resistor observes Ohm's law, and the voltage of varistor and electric current are then in special non-linear relation.When varistor two ends institute making alive is lower than nominal rated voltage value, the resistance value of varistor is close to infinity, and inside does not almost have electric current to flow through, and is equivalent to open circuit in circuit; When varistor both end voltage is a little more than nominal rated voltage, varistor will puncture conducting rapidly, and becomes low resistance state from high-impedance state, and operating current sharply increases; When its both end voltage returns to lower than nominal rated voltage, pressure-sensitive electronics device reverts to high-impedance state again; But when exceeding to piezo-resistance both end voltage the maximum deboost that it can bear, piezo-resistance will be punctured and is damaged completely, also cannot recover even if voltage drop is got off.
According to this nonlinear characteristic of piezo-resistance, it is widely used in, in household electrical appliance and other electronic product, playing the effects such as overvoltage protection, lightning protection, surge current suppression, absorbing peak pulse, amplitude limit, high pressure arc extinguishing, de-noising, protection semiconductor components and devices.Lightning current is different from interference in common line, noise, switching overvoltage, and lightning current is the large pulse of a kind of moment, and in tens microseconds, electric current can reach kiloampere up to a hundred; The Lightning Electromagnetic Pulse produced in the line by electromagnetic induction also can reach tens of kiloampere.Piezo-resistance is as the main devices of electric and electronic system carrying out surge protection; so large lightning current or Lightning Electromagnetic Pulse must released into ground by instantaneously; ensure the safe handling of its protected equipment below, this through-current capability to piezo-resistance, the isoparametric requirement of impact resistance are especially high.
The packaged type of the piezo-resistance on present domestic and international market, there is SMD, pin, but be all two contact poles, namely for the filler (common is zinc oxide grain and grain boundary layer) of its inside, the path that electric current flows through them is the single-pathway of " one-in-and-one-out ", and electric current must be select the minimum path of resistance to pass through, so this single path is very short, that is the inside stuffing matter of one piece of complete piezo-resistance, only has sub-fraction to be used to resist rush of current thus leakage current.Two pin design of " one-in-and-one-out " of existing piezo-resistance, through-flow and shock-resistant on have some defects, macroscopically reflect that the useful life of piezo-resistance is short, it is not enough to resist larger lightning current and impacts on lightning protection, is difficult to the requirement be up to state standards.
Utility model content
In order to effectively solve the above prior-art problems, the utility model proposes a kind of piezo-resistance adopting novel pin method for designing, carry out the problem of poor, the shock-resistant ability of through-current capability that major tuneup existing pressure-sensitive pin " one-in-and-one-out " single-pathway causes, effectively can be extended the useful life of same piezo-resistance substrate by this novel pin design mode, and improve its practical application effect.The piezo-resistance of the novel pin method for designing of this employing, can be a utility model achievement with novelty, can be applied in better in various lightning protection component, thus bring huge economic benefit in piezo-resistance manufacturing industry; Promote the superiority of the sector in international competition simultaneously.
The utility model is by the following technical solutions: the utility model is a kind of piezo-resistance adopting novel pin method for designing; under the prerequisite not increasing or change piezo-resistance substrate volume; the quantity of pin and position are by calculate and current density emulates and determines, to the maximum result of inner filler utilance; thus promote piezo-resistance through-current capability, shock-resistant ability characteristics, improve useful life and the protection class of piezo-resistance.The utility model mainly comprises piezo-resistance substrate, electrode slice, pin.
Of the present utility modelly to be characterised in that:
1. this adopts pin positions and the quantity of the piezo-resistance of novel pin method for designing, determine according to calculating and current density emulation, such design can make electric current sufficiently flow through inside stuffing matter, improve the utilance of inner material, thus under the prerequisite not increasing or change piezo-resistance substrate volume, improve the through-current capability of whole piezo-resistance and shock-resistant ability.
2. this adopts the piezo-resistance of novel pin method for designing can be designed to the typical structure of " two enter goes out ", and electric current inflow direction is two pins, connects with a cube electrode sheet; Outflow of bus current direction is a pin.
3. this adopts the piezo-resistance of novel pin method for designing can be designed to the typical structure of " enters scene 2 ", and electric current inflow direction is a pin; Outflow of bus current direction is two pins, connects with a cube electrode sheet.
4. this adopts the piezo-resistance of novel pin method for designing can be designed to the typical structure of " two enter scene 2 ", and electric current inflow direction is two pins, connects with a cube electrode sheet; Outflow of bus current direction is also two pins, connects with a cube electrode sheet.
5. this adopts the design of the piezo-resistance of novel pin method for designing, also comprises the form such as " entering to go out ", " enters many places ", " enter more and have more " more, is greater than end of incoming cables or the leading-out terminal of a pin, connects with electrode slice.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the utility model first exemplary embodiments.
Fig. 2 is the principle schematic of the utility model second exemplary embodiments.
Fig. 3 is the principle schematic of the utility model the 3rd exemplary embodiments.
Fig. 4 is the current density simulation model 1 of the utility model first exemplary embodiments.
Fig. 5 is the current density analogous diagram 1 of the utility model first exemplary embodiments.
Fig. 6 is the current density simulation model 2 of the utility model first exemplary embodiments.
Fig. 7 is the current density analogous diagram 2 of the utility model first exemplary embodiments.
Fig. 8 is the current density simulation model 3 of the utility model first exemplary embodiments.
Fig. 9 is the current density analogous diagram 3 of the utility model first exemplary embodiments.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
If Fig. 1 is the first exemplary embodiments of the present utility model, electric current " two enter one goes out " type, 1-1 is current input electrode sheet, and 1-2a is current input pin 1,1-2b be current input pin 2,1-3 is electric current output pin, and 1-4 is piezo-resistance substrate.
If Fig. 2 is the second exemplary embodiments of the present utility model, electric current " one enters scene 2 " type, 2-1 is current input pin, and 2-2 is piezo-resistance substrate, and 2-3a is electric current output pin 1,2-3b be electric current output pin 2,2-4 is electric current output electrode sheet.
If Fig. 3 is the 3rd exemplary embodiments of the present utility model, electric current " two enter scene 2 " type, 3-1 is current input electrode sheet, 3-2a is current input pin 1,3-2b is current input pin 2,3-3a be electric current output pin 1,3-3b is electric current output pin 2,3-4 is electric current output electrode sheet, and 3-5 is piezo-resistance substrate.
Except three exemplary embodiments shown in Fig. 1,2,3, the utility model can also be other embodiment that electric current " enters to go out " type, " one enters to have more " type, " enter more and have more " type more.
Fig. 4-Fig. 9 is three kinds of current density simulation models and the analogous diagram of the utility model first exemplary embodiments, when piezo-resistance is different into and out of pin positions, two electrodes of inlet side are connected in parallel, apply the electric current of formed objects, observe the current distributions on electrode and on voltage dependent resistor chip, determine pin optimum position, thus better enhance product performance.By Multi simulation running Germicidal efficacy, in model as each in Fig. 4-Fig. 9, voltage dependent resistor chip maximum current density is followed successively by 1.69 × e
9a/m
2, 6.15 × e
8a/m
2, 5.35 × e
8a/m, Fig. 8, Fig. 9 model pin positions effect are relatively better; And suitably increase electrode width, the performance of resistance is also increased.The current density emulation of the second exemplary embodiments, the 3rd exemplary embodiments is also herewith managed, the data that several connected mode, link position obtain are compared, final piezo-resistance pin connection scheme is obtained, namely by finally determining to adopt which kind of connected mode to realize minimizing of resistivity to the collection of experimental data by contrast.
The input of electric current, the quantity of output pin, obtain according to calculating and current density emulation, the position of pin and the quantity path of decision electric current in piezo-resistance filler and density.
Be greater than end of incoming cables or the leading-out terminal of a pin, connect with electrode slice.Electrode slice can be used as piezo-resistance in use, connects the stiff end of wire.
This novel pin method for designing is the improvement to original piezo-resistance substrate and lifting, does not change area and the volume of original piezo-resistance substrate.
Utilize the technical solution of the utility model, reach corresponding technique effect, or not departing from the technical scheme equivalents under design philosophy of the present utility model, all within protection range of the present utility model.
Claims (6)
1. adopt a piezo-resistance for novel pin method for designing, it is characterized in that: piezo-resistance has multiple pin, input, output more than one pin avaivable electrode sheet connect; Be made up of piezo-resistance substrate, pin, electrode slice.
2. a kind of piezo-resistance adopting novel pin method for designing according to claim 1, is characterized in that: the area and the volume that do not change original piezo-resistance substrate.
3. a kind of piezo-resistance adopting novel pin method for designing according to claim 1, is characterized in that: the input and output pin of piezo-resistance adopts the design of " two enter one goes out " type.
4. a kind of piezo-resistance adopting novel pin method for designing according to claim 1, is characterized in that: the input and output pin of piezo-resistance adopts the design of " one enters scene 2 " type.
5. a kind of piezo-resistance adopting novel pin method for designing according to claim 1, is characterized in that: the input and output pin of piezo-resistance adopts the design of " two enter scene 2 " type.
6. a kind of piezo-resistance adopting novel pin method for designing according to claim 1, is characterized in that: the input and output pin of piezo-resistance also can adopt " entering one to go out ", " one enters to have more ", the design of " enter more and have more " type more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420731511.6U CN204706406U (en) | 2013-12-18 | 2014-11-19 | A kind of piezo-resistance adopting novel pin method for designing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320836760 | 2013-12-18 | ||
| CN2013208367607 | 2013-12-18 | ||
| CN201420731511.6U CN204706406U (en) | 2013-12-18 | 2014-11-19 | A kind of piezo-resistance adopting novel pin method for designing |
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| CN204706406U true CN204706406U (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410692226.2A Pending CN104733143A (en) | 2013-12-18 | 2014-11-19 | Piezoresistor based on novel pin design method |
| CN201420731511.6U Active CN204706406U (en) | 2013-12-18 | 2014-11-19 | A kind of piezo-resistance adopting novel pin method for designing |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410692226.2A Pending CN104733143A (en) | 2013-12-18 | 2014-11-19 | Piezoresistor based on novel pin design method |
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| CN (2) | CN104733143A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733143A (en) * | 2013-12-18 | 2015-06-24 | 孙巍巍 | Piezoresistor based on novel pin design method |
| CN104753053A (en) * | 2013-12-31 | 2015-07-01 | 孙巍巍 | Novel surge protector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111128496B (en) * | 2019-12-26 | 2021-09-07 | 亨斯迈(杭州)电力技术有限公司 | High-power voltage divider and manufacturing method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2133033Y (en) * | 1992-07-06 | 1993-05-12 | 夏维东 | Piezoresistire resistor |
| JP3381485B2 (en) * | 1995-10-26 | 2003-02-24 | 松下電器産業株式会社 | Chip type varistor |
| DE202007002275U1 (en) * | 2007-02-15 | 2007-05-10 | Lin, Li-Hua, Hsintien | Varistor e.g. voltage dependent resistor, has ceramic crystal with main body provided with electrode layers on both sides, and current conductors with one end linearly welded on exterior of electrode layers of crystal |
| CN104700971A (en) * | 2013-11-12 | 2015-06-10 | 孙巍巍 | Varistor adopting novel base pin design method |
| CN104733143A (en) * | 2013-12-18 | 2015-06-24 | 孙巍巍 | Piezoresistor based on novel pin design method |
-
2014
- 2014-11-19 CN CN201410692226.2A patent/CN104733143A/en active Pending
- 2014-11-19 CN CN201420731511.6U patent/CN204706406U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104733143A (en) * | 2013-12-18 | 2015-06-24 | 孙巍巍 | Piezoresistor based on novel pin design method |
| CN104753053A (en) * | 2013-12-31 | 2015-07-01 | 孙巍巍 | Novel surge protector |
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| Publication number | Publication date |
|---|---|
| CN104733143A (en) | 2015-06-24 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160621 Address after: 300384 Tianjin Huayuan Industrial Park Wuhua Avenue No. 8 Kaifa building B block three layer Patentee after: Zhongli Thunder-Prevention Technology Co., Ltd., Tianjin City Address before: 300384 Tianjin city Nankai District New Technology Industrial Park Huayuan Wuhua Avenue No. 8 Kaifa building B block three layer Patentee before: Sun Weiwei |