CN206907588U - Anti-explosion piezo-resistance - Google Patents
Anti-explosion piezo-resistance Download PDFInfo
- Publication number
- CN206907588U CN206907588U CN201621157924.3U CN201621157924U CN206907588U CN 206907588 U CN206907588 U CN 206907588U CN 201621157924 U CN201621157924 U CN 201621157924U CN 206907588 U CN206907588 U CN 206907588U
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- China
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- piezo
- electrode
- pin
- extension
- connecting portion
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Abstract
The utility model discloses a kind of anti-explosion piezo-resistance, includes plastic shell, piezo-resistance substrate, the first pin, second pin, first electrode and second electrode；The two sides of the piezo-resistance substrate are provided with embedding slot, first pin includes the first connecting portion for being integrally formed connection, the first extension and the first weld part, and the second pin includes the second connecting portion for being integrally formed connection, the second extension and the second weld part.It is embedded in by using piezo-resistance substrate, the first pin, second pin, first electrode and second electrode in plastic shell, so that this product compact overall structure consolidates, and more preferable explosion-proof effect can be realized, and each connecting portion is embedded in embedding slot, so that each pin is fixedly combined between piezo-resistance substrate and electrode, conducting connection is more reliable and more stable, and product performance is more preferably.
Description
Technical field
Piezo-resistance art is the utility model is related to, refers in particular to a kind of anti-explosion piezo-resistance.
Background technology
" piezo-resistance " is a kind of resistance device with nonlinear wind vibration, is mainly used in when circuit bears overvoltage
Voltage clamping is carried out, absorbs unnecessary electric current to protect Sensitive Apparatus.English name is " Voltage Dependent
Resistor " is abbreviated as " VDR ", or is called " Varistor ".The resistor material of piezoresistor is semiconductor, so
It is a kind of semiconductor resistor." zinc oxide " largely used now（ZnO）Piezoresistor, its material of main part
There is diad zinc（Zn）With hexad oxygen（O）Formed.So from the perspective of material, zinc oxide varistor is
A kind of " II-VI race's oxide semiconductor ".
It is bad explosion-proof effect to be present in current piezo-resistance, and structure built on the sand the defects of, therefore, it is necessary to current
Piezo-resistance be improved.
The content of the invention
In view of this, in view of the existing deficiencies of the prior art, its main purpose is to provide a kind of anti-detonation pressure to the utility model
Quick resistance, it can effectively be solved, and existing piezo-resistance explosion-proof effect is bad and the unsteady problem of structure.
To achieve the above object, the utility model is using following technical scheme：
A kind of anti-explosion piezo-resistance, include plastic shell, piezo-resistance substrate, the first pin, second pin, the first electricity
Pole and second electrode；The two sides of the piezo-resistance substrate are provided with embedding slot, and first pin, which includes, to be integrally formed
The first connecting portion of connection, the first extension and the first weld part, the second pin include the second company for being integrally formed connection
Socket part, the second extension and the second weld part, first connecting portion and second connecting portion are flat and are embedded in piezo-resistance respectively
It is fixed in the embedding slot of the two sides of substrate；The first electrode and second electrode are respectively arranged at the two sides of piezo-resistance substrate
On, first electrode and second electrode turn on connection, and piezo-resistance substrate, first with first connecting portion and second connecting portion respectively
Pin, second pin, first electrode and second electrode are embedded in plastic shell, the first extension, the first weld part, second
Extension and the protruding plastic shell of the second weld part.
Preferably, the cross section of first extension, the first weld part, the second extension and the second weld part is in circle
Cylindricality, first extension and the second extension open in splayed, and first weld part and the second weld part are vertically downward
Extension.
Preferably, first pin and second pin are copper material.
Preferably, the first electrode includes the first nickel coating and the first tin coating, first nickel coating and pressure-sensitive electricity
The one side fitting of resistance substrate is fixed and connection is turned on first connecting portion, and first tin coating is covered on the first nickel coating,
The second electrode includes the second nickel coating and the second tin coating, and the another side of second nickel coating and piezo-resistance substrate is pasted
Close fixed and connection is turned on second connecting portion, second tin coating is covered on the second nickel coating.
Preferably, the junction between the first connecting portion and the first extension is provided with first through hole, second company
Junction between socket part and the second extension is provided with the second through hole, and the first through hole and the second through hole are embedded in plastic shell
It is interior.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Scheme is understood：
Plastic cement is embedded in by using piezo-resistance substrate, the first pin, second pin, first electrode and second electrode
In shell so that this product compact overall structure consolidates, and can realize more preferable explosion-proof effect, and each connecting portion is embedded in and set
In groove so that each pin is fixedly combined between piezo-resistance substrate and electrode, and conducting connection is more reliable and more stable, and product makes
With performance more preferably.
More clearly to illustrate architectural feature and effect of the present utility model, come below in conjunction with the accompanying drawings with specific embodiment pair
The utility model is described in detail.
Brief description of the drawings
Fig. 1 is the schematic cross-section of the preferred embodiment of the utility model.
Accompanying drawing identifier declaration：
10th, plastic shell 20, piezo-resistance substrate
21st, embedding slot 30, the first pin
31st, first connecting portion 32, the first extension
33rd, the first weld part 301, first through hole
40th, second pin 41, second connecting portion
42nd, the second extension 43, the second weld part
401st, the second through hole 50, first electrode
51st, the first nickel coating 52, the first tin coating
60th, second electrode 61, the second nickel coating
62nd, the second tin coating.
Embodiment
It refer to shown in Fig. 1, that show the concrete structure of the preferred embodiment of the utility model, include outside plastic cement
Shell 10, piezo-resistance substrate 20, the first pin 30, second pin 40, first electrode 50 and second electrode 60.
The two sides of the piezo-resistance substrate 20 are provided with embedding slot 21, and first pin 30 includes the company of being integrally formed
First connecting portion 31, the first extension 32 and the first weld part 33 connect, the second pin 40, which includes, is integrally formed connection
Second connecting portion 41, the second extension 42 and the second weld part 43, first connecting portion 31 and second connecting portion 41 be flat simultaneously
It is fixed in the embedding slot 21 of the two sides of piezo-resistance substrate 20 respectively.In the present embodiment, first extension 32,
43 cross sections of the first weld part 33, the second extension 42 and the second weld part are in cylinder, first extension 32 and the
Two extensions 42 open in splayed, and the weld part 43 of the first weld part 33 and second extends vertically downward, also, described the
One pin 30 and second pin 40 are copper material, and electric conductivity is good.
The first electrode 50 and second electrode 60 are respectively arranged on the two sides of piezo-resistance substrate 20, first electrode 50
Connected respectively with first connecting portion 31 and the conducting of second connecting portion 41 with second electrode 60, specifically, the first electrode 50
Include the first nickel coating 51 and the first tin coating 52, first nickel coating 51 is bonded solid with the one side of piezo-resistance substrate 20
Determine and turn on first connecting portion 31 to connect, first tin coating 52 is covered on the first nickel coating 51, and the second electrode 60 is wrapped
The second nickel coating 61 and the second tin coating 62 are included, second nickel coating 61 is bonded solid with the another side of piezo-resistance substrate 20
Determine and turn on second connecting portion 41 to connect, second tin coating 62 is covered on the second nickel coating 61.
And piezo-resistance substrate 20, the first pin 30, second pin 40, first electrode 50 and second electrode 60 are embedded in
In plastic shell 10, the first extension 32, the first weld part 33, the second extension 42 and the protruding modeling of the second weld part 43
Glue shell 10, to realize robust structure, explosion-proof effect is more preferable, also, between the extension 32 of the first connecting portion 31 and first
Junction be provided with first through hole 301, the junction between the extension 42 of second connecting portion 41 and second is provided with second
Through hole 401, the through hole 401 of first through hole 301 and second are embedded in plastic shell 10 so that the first pin 30 and second pin
40 structures are more firm, difficult for drop-off.
During making, first make and mold piezo-resistance substrate 20, the first pin 30 and second pin 40, then, by first
The first connecting portion 31 of pin 30 and the second connecting portion 41 of second pin 40 are embedded in the two sides of piezo-resistance substrate 20 respectively
Embedding slot 21 in it is fixed, then, the first nickel coating 51 is formed respectively in the two sides elder generation Electroplating Aluminum of piezo-resistance substrate 20
With the second nickel coating 61, then, respectively on the first nickel coating 51 and the second nickel coating 61 copper facing and to form first respectively tin plating
The tin coating 62 of layer 52 and second, so as to form first electrode 50 and second electrode 60.Then, the pressure this thing combined
Quick resistance substrate 20, the first pin 30, second pin 40, first electrode 50 and second electrode 60 are put into injection molding in mould and gone out
Plastic shell 10.
The application method and operation principle of this product are identical with common piezo-resistance, at this to the user of the present embodiment
Method and operation principle do not describe in detail.
Design focal point of the present utility model is：By using piezo-resistance substrate, the first pin, second pin, the first electricity
Pole and second electrode are embedded in plastic shell so that this product compact overall structure consolidates, and can realize preferably explosion-proof
Effect, and each connecting portion is embedded in embedding slot so that each pin is fixedly combined between piezo-resistance substrate and electrode, is led
Lead to and connect more reliable and more stable, product performance is more preferably.
Technical principle of the present utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With new principle, and the limitation to scope of protection of the utility model can not be construed in any way.Based on explanation herein,
Those skilled in the art, which would not require any inventive effort, can associate other embodiments of the present utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (3)
- A kind of 1. anti-explosion piezo-resistance, it is characterised in that：Include plastic shell, piezo-resistance substrate, the first pin, second draw Pin, first electrode and second electrode；The two sides of the piezo-resistance substrate are provided with embedding slot, and first pin includes First connecting portion, the first extension and the first weld part of connection are integrally formed, the second pin, which includes, is integrally formed connection Second connecting portion, the second extension and the second weld part, first connecting portion and second connecting portion are flat and are embedded in respectively It is fixed in the embedding slot of the two sides of piezo-resistance substrate；The first electrode and second electrode are respectively arranged at piezo-resistance substrate Two sides on, first electrode and second electrode turn on connection, and piezo-resistance with first connecting portion and second connecting portion respectively Substrate, the first pin, second pin, first electrode and second electrode are embedded in plastic shell, the first extension, the first weldering Socket part, the second extension and the protruding plastic shell of the second weld part；The first electrode include the first nickel coating and First tin coating, first nickel coating is fixed with the one side fitting of piezo-resistance substrate and connection is turned on first connecting portion, First tin coating is covered on the first nickel coating, and the second electrode includes the second nickel coating and the second tin coating, and this second Nickel coating is fixed with the another side fitting of piezo-resistance substrate and connection is turned on second connecting portion, second tin coating covering In on the second nickel coating；Junction between the first connecting portion and the first extension is provided with first through hole, second company Junction between socket part and the second extension is provided with the second through hole, and the first through hole and the second through hole are embedded in plastic shell It is interior.
- 2. anti-explosion piezo-resistance as claimed in claim 1, it is characterised in that：First extension, the first weld part, second The cross section of extension and the second weld part is opened in cylinder, first extension and the second extension in splayed, should First weld part and the second weld part extend vertically downward.
- 3. anti-explosion piezo-resistance as claimed in claim 1, it is characterised in that：First pin and second pin are copper material Matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157924.3U CN206907588U (en) | 2016-10-25 | 2016-10-25 | Anti-explosion piezo-resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621157924.3U CN206907588U (en) | 2016-10-25 | 2016-10-25 | Anti-explosion piezo-resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206907588U true CN206907588U (en) | 2018-01-19 |
Family
ID=61294093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621157924.3U Expired - Fee Related CN206907588U (en) | 2016-10-25 | 2016-10-25 | Anti-explosion piezo-resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206907588U (en) |
-
2016
- 2016-10-25 CN CN201621157924.3U patent/CN206907588U/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: 20180119 Termination date: 20191025 |