CN207149343U - A kind of laminated type piezoresistor - Google Patents
A kind of laminated type piezoresistor Download PDFInfo
- Publication number
- CN207149343U CN207149343U CN201721184289.2U CN201721184289U CN207149343U CN 207149343 U CN207149343 U CN 207149343U CN 201721184289 U CN201721184289 U CN 201721184289U CN 207149343 U CN207149343 U CN 207149343U
- Authority
- CN
- China
- Prior art keywords
- piezoresistor
- electrode
- tripping
- laminated type
- buckle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of laminated type piezoresistor; including the first piezoresistor, the second piezoresistor, protection shell, tripping electrode, first electrode, second electrode, piezoresistor body, firm banking, buckle, metal protection protector; the first piezoresistor is provided with above the right side of second piezoresistor; the lower surface of second piezoresistor is provided with first electrode; the upper surface of first piezoresistor is provided with second electrode, and tripping electrode is provided with the left of the upper surface of the piezoresistor body；By setting the different size of piezoresistor of two panels, it is superimposed together up and down, such structure design effectively increases piezoresistor area in same volume, add through-current capacity, reduce residual voltage, two panels piezoresistor is different up and down simultaneously can set other components in groove location greatly, greatly reduce the utilization space of electric components, be advantageous to product miniaturization.
Description
Technical field
The utility model belongs to overvoltage, anti-thunder technical field, and in particular to a kind of laminated type piezoresistor.
Background technology
As electronic equipment increasingly minimizes, the miniaturization cry more and more higher to surge protector, it is determined that power supply
In system, through-current capacity, nominal discharge current and the residual voltage of volume surge protector depending on selected by of surge protector, and this
A little indexs depend primarily on piezoresistor for voltage-limiting surge protector, more specifically depending on piezoresistor electricity
The effective area that stream flows through, because after effective area is big, for certain electric current current density will reduce, or to certain electricity
For current density, it is allowed to maximum current will increase.
It is larger that original piezoresistor is usually present volume, and built-in electrical insulation processing is not in place, and through-current capacity is small, and residual voltage is high
The problems such as.
Utility model content
The purpose of this utility model is to provide a kind of laminated type piezoresistor, to solve to propose in above-mentioned background technology
Original piezoresistor to be usually present volume larger, built-in electrical insulation processing is not in place, and through-current capacity is small, and residual voltage height etc. is asked
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of laminated type piezoresistor, including the
One piezoresistor, the second piezoresistor, protection shell, tripping electrode, first electrode, second electrode, piezoresistor sheet
Body, firm banking, buckle, metal protection protector, the first piezoresistor be provided with above the right side of second piezoresistor,
The lower surface of second piezoresistor is provided with first electrode, and the upper surface of first piezoresistor is provided with second
Electrode, the upper surface left side of the piezoresistor body are provided with tripping electrode, the outside table of the piezoresistor body
Protection shell is provided with face, firm banking is provided with below the tripping electrode, the both sides of the tripping electrode are provided with
Buckle, the surface surrounding of the tripping electrode is provided with metal protection protector.
Preferably, first piezoresistor and the second piezoresistor are fixedly connected by welding, and described first
Piezoresistor is smaller than the profile of the second piezoresistor.
Preferably, the tripping electrode is fixedly connected with piezoresistor body by firm banking, and the fixed bottom
Seat and piezoresistor body are fixedly connected by welding.
Preferably, described buckle is provided with two, and described two buckles the both sides for being separately positioned on tripping electrode.
Preferably, it is provided with metal protection protector in the tripping electrode, first electrode and second electrode.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, safe to use
It is convenient, by setting the different size of piezoresistor of two panels, it is superimposed together up and down, such structure design is in same volume
Piezoresistor area is inside effectively increased, adds through-current capacity, reduces residual voltage, while two panels piezoresistor is different up and down
Other components can be set in groove location greatly, greatly reduce the utilization space of electric components, it is small-sized to be advantageous to product
Change.
Brief description of the drawings
Fig. 1 is a kind of structural representation of laminated type piezoresistor of the utility model；
Fig. 2 is the structural representation of the tripping electrode 4 in a kind of laminated type piezoresistor of the utility model；
In figure：The piezoresistors of 1- first, the piezoresistors of 2- second, 3- protections shell, 4- tripping electrodes, the electricity of 5- first
Pole, 6- second electrodes, 7- piezoresistors body, 8- firm bankings, 9- buckle, 10- metal protection protectors.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, the utility model provides a kind of laminated type piezoresistor technical scheme：A kind of laminated type
Piezoresistor, including the first piezoresistor 1, the second piezoresistor 2, protection shell 3, tripping electrode 4, first electrode 5,
Second electrode 6, piezoresistor body 7, firm banking 8, buckle 9, metal protection protector 10, the right side of the second piezoresistor 2
Top is provided with the first piezoresistor 1, and the lower surface of the second piezoresistor 2 is provided with first electrode 5, the first piezo-resistance
The upper surface of device 1 is provided with second electrode 6, and tripping electrode 4, pressure-sensitive electricity are provided with the left of the upper surface of piezoresistor body 7
Protection shell 3 is provided with the outer surface of resistance device body 7, the lower section of tripping electrode 4 is provided with firm banking 8, tripping electrode 4
Both sides be provided with and buckle 9, the surface surrounding of tripping electrode 4 is provided with metal protection protector 10.
Piezoresistor area is effectively increased in order that obtaining in same volume, adds through-current capacity, reduces residual voltage, simultaneously
Upper and lower two panels piezoresistor is different can to set other components in groove location greatly, greatly reduce electric components
Utilization space, be advantageous to product and minimize, in the present embodiment, it is preferred that the first piezoresistor 1 and the second piezoresistor 2
It is fixedly connected by welding, and the profile of the piezoresistor 2 of the first piezoresistor 1 to the second is small.
More consolidated in order that must connect, in the present embodiment, it is preferred that tripping electrode 4 and piezoresistor body 7 pass through
Firm banking 8 is fixedly connected, and firm banking 8 and piezoresistor body 7 are fixedly connected by welding.
In order that piezoresistor body 7 is easy for installation, and after-sales service easily operates, in the present embodiment, it is preferred that
Buckle 9 and be provided with two, and two buckle 9 both sides for being separately positioned on tripping electrode 4.
Can be with being electrically connected normally, in the present embodiment, it is preferred that tripping electrode 4, first electrode 5 in order that obtaining electrode
With metal protection protector 10 is provided with second electrode 6.
Operation principle and process for using of the present utility model：After the utility model installs, by piezoresistor body 7
In required electric components, tripping electrode 4, first electrode 5 and second electrode 6 are connected respectively related electric
Component feeler, buckling on tripping electrode 49 can make the connection between component even closer, while the first piezoresistor 1
With the second piezoresistor 2 because shape size is different big, the inside can install hot disconnector, increase space availability ratio, have
Minimized beneficial to product.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of laminated type piezoresistor, including the first piezoresistor（1）, the second piezoresistor（2）, protection shell
（3）, tripping electrode（4）, first electrode（5）, second electrode（6）, piezoresistor body（7）, firm banking（8）, buckle
（9）, metal protection protector（10）, it is characterised in that：Second piezoresistor（2）Right side above be provided with the first pressure-sensitive electricity
Hinder device（1）, second piezoresistor（2）Lower surface be provided with first electrode（5）, first piezoresistor（1）
Upper surface be provided with second electrode（6）, the piezoresistor body（7）Upper surface on the left of be provided with tripping electrode（4）,
The piezoresistor body（7）Outer surface on be provided with protection shell（3）, the tripping electrode（4）Lower section set
There is firm banking（8）, the tripping electrode（4）Both sides be provided with and buckle（9）, the tripping electrode（4）Surface surrounding set
It is equipped with metal protection protector（10）.
A kind of 2. laminated type piezoresistor according to claim 1, it is characterised in that：First piezoresistor
（1）With the second piezoresistor（2）It is fixedly connected by welding, and first piezoresistor（1）Than the second piezo-resistance
Device（2）Profile it is small.
A kind of 3. laminated type piezoresistor according to claim 1, it is characterised in that：The tripping electrode（4）And pressure
Sensitive resistor body（7）Pass through firm banking（8）It is fixedly connected, and the firm banking（8）With piezoresistor body（7）It is logical
Cross and be welded and fixed connection.
A kind of 4. laminated type piezoresistor according to claim 1, it is characterised in that：It is described to buckle（9）It is provided with two
It is individual, and described two buckle（9）It is separately positioned on tripping electrode（4）Both sides.
A kind of 5. laminated type piezoresistor according to claim 1, it is characterised in that：The tripping electrode（4）, first
Electrode（5）And second electrode（6）On be provided with metal protection protector（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184289.2U CN207149343U (en) | 2017-09-15 | 2017-09-15 | A kind of laminated type piezoresistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721184289.2U CN207149343U (en) | 2017-09-15 | 2017-09-15 | A kind of laminated type piezoresistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207149343U true CN207149343U (en) | 2018-03-27 |
Family
ID=61667661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721184289.2U Expired - Fee Related CN207149343U (en) | 2017-09-15 | 2017-09-15 | A kind of laminated type piezoresistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207149343U (en) |
-
2017
- 2017-09-15 CN CN201721184289.2U patent/CN207149343U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180327 Termination date: 20210915 |