CN206271489U - High performance lighning proof type piezo-resistance - Google Patents
High performance lighning proof type piezo-resistance Download PDFInfo
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- CN206271489U CN206271489U CN201621161022.7U CN201621161022U CN206271489U CN 206271489 U CN206271489 U CN 206271489U CN 201621161022 U CN201621161022 U CN 201621161022U CN 206271489 U CN206271489 U CN 206271489U
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- electrode
- piezo
- pin
- extension
- connecting portion
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Abstract
The utility model discloses a kind of high performance lighning proof type piezo-resistance, includes plastic shell, piezo-resistance substrate, the first pin, second pin, first electrode, second electrode and heat radiating metal shell；First pin includes first connecting portion, first extension and the first weld part, the second pin includes second connecting portion, second extension and the second weld part, by using piezo-resistance substrate, first pin, second pin, first electrode and second electrode are embedded in plastic shell, so that this product compact overall structure is firm, 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, by being provided with heat radiating metal shell, heat radiating metal shell is firmly combined with plastic shell, and heat radiating metal shell can play a part of to radiate and shield, greatly improve the performance of product.
Description
Technical field
The utility model is related to piezo-resistance art, refers in particular to a kind of high performance lighning proof type 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 " for largely using now（ZnO）Piezoresistor, its material of main part
There is diad zinc（Zn）With hexad oxygen（O）Constituted.So from from the perspective of material, zinc oxide varistor is
A kind of " II-VI race's oxide semiconductor ".
Current piezo-resistance has that explosion-proof effect is not good, and radiating effect is bad, and the structure defect such as built on the sand, because
This, it is necessary to current piezo-resistance is 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 high-performance to the utility model
Lighning proof type piezo-resistance, it can effectively be solved, and existing piezo-resistance explosion-proof effect is good, radiating effect is bad and structure
Unsteady problem.
To achieve the above object, the utility model is using following technical scheme：
A kind of high performance lighning proof type piezo-resistance, includes plastic shell, piezo-resistance substrate, the first pin, second
Pin, first electrode, second electrode and heat radiating metal shell；The two sides of the piezo-resistance substrate are provided with embedding slot, should
First pin includes first connecting portion, the first extension and the first weld part for being integrally formed connection, and the second pin includes
There are second connecting portion, the second extension and the second weld part for being integrally formed connection, first connecting portion and second connecting portion are flat
It is flat-shaped and be embedded in respectively in the embedding slot of the two sides of piezo-resistance substrate fixed；The first electrode and second electrode are respectively provided with
In on the two sides of piezo-resistance substrate, first electrode and second electrode connect with first connecting portion and second connecting portion conducting respectively
Connect, and piezo-resistance substrate, the first pin, second pin, first electrode and second electrode are embedded in plastic shell, first
Extension, the first weld part, the second extension and the protruding plastic shell of the second weld part；The heat radiating metal shell is set into
Type is in plastic shell and exposes to the outer surface of plastic shell.
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
Extend.
Preferably, first pin and second pin are copper material.
Preferably, the first electrode includes the first aluminium coated and the first copper plate, first aluminium coated and pressure-sensitive electricity
The one side laminating for hindering substrate is fixed and is connected with first connecting portion conducting, and first copper plate is covered on the first aluminium coated,
The second electrode includes the second aluminium coated and the second copper plate, and second aluminium coated is pasted with the another side of piezo-resistance substrate
Close fixed and be connected with second connecting portion conducting, second copper plate is covered on the second aluminium coated.
Preferably, the heat radiating metal shell is copper material.
The utility model has clear advantage and beneficial effect compared with prior art, specifically, by above-mentioned technology
Scheme understands：
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 is consolidated, and can realize more preferable explosion-proof effect, and each connecting portion is embedded in and sets
In groove so that each pin is fixedly combined between piezo-resistance substrate and electrode, conducting connection is more reliable and more stable, and,
By being provided with heat radiating metal shell, heat radiating metal shell is firmly combined with plastic shell, and heat radiating metal shell can play radiating and shield
The effect covered, greatly improves the performance of product.
More clearly to illustrate architectural feature of the present utility model and effect, come right with specific embodiment below in conjunction with the accompanying drawings
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 40, second pin
41st, second connecting portion 42, the second extension
43rd, the second weld part 50, first electrode
51st, the first aluminium coated 52, the first copper plate
60th, second electrode 61, the second aluminium coated
62nd, the second copper plate 70, heat radiating metal shell.
Specific embodiment
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, second electrode 60 and heat radiating metal shell
70。
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 for connecing, the second pin 40 are included and are 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
Fixation in the embedding slot 21 of the two sides of piezo-resistance substrate 20 is embedded in 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
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
It is connected with first connecting portion 31 and the conducting of second connecting portion 41 respectively with second electrode 60, specifically, the first electrode 50
The first aluminium coated 51 and the first copper plate 52 are included, first aluminium coated 51 is fitted solid with the one side of piezo-resistance substrate 20
Determine and be connected with the conducting of first connecting portion 31, first copper plate 52 is covered on the first aluminium coated 51, and the second electrode 60 is wrapped
The second aluminium coated 61 and the second copper plate 62 are included, second aluminium coated 61 is fitted solid with the another side of piezo-resistance substrate 20
Determine and be connected with the conducting of second connecting portion 41, second copper plate 62 is covered on the second aluminium coated 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.
The produced by insert molding of heat radiating metal shell 70 is in plastic shell 10 and exposes to the outer surface of plastic shell 10, radiating gold
Category shell 70 can play the function of radiating and shielding, and in the present embodiment, the heat radiating metal shell 70 is copper material, and radiating effect is more
It is good.
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 aluminium coated 51 is formed respectively in two sides elder generation's Electroplating Aluminum of piezo-resistance substrate 20
With the second aluminium coated 61, then, respectively on the first aluminium coated 51 and the second aluminium coated 61 copper facing and form the first copper facing respectively
The copper plate 62 of layer 52 and second, so as to form first electrode 50 and second electrode 60.Then, the pressure this thing combined
Injection moulding goes out during quick resistance substrate 20, the first pin 30, second pin 40, first electrode 50 and second electrode 60 are put into mould
Plastic shell 10, during injection moulding, heat radiating metal shell 70 is put into so that the produced by insert molding of heat radiating metal shell 70 is fixed
On 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 make narration 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 is consolidated, and can be realized 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, and, by being provided with heat radiating metal shell, heat radiating metal shell is firmly combined with plastic shell, and
Heat radiating metal shell can play a part of to radiate and shield, and greatly improve the performance of product.
Know-why 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 can not by any way be construed to the limitation to the utility model protection domain.Based on explanation herein,
Those skilled in the art associates other specific embodiments of the present utility model by would not require any inventive effort,
These modes are fallen within protection domain of the present utility model.
Claims (3)
1. a kind of high performance lighning proof type piezo-resistance, it is characterised in that：Include plastic shell, piezo-resistance substrate, first
Pin, second pin, first electrode, second electrode and heat radiating metal shell；The two sides of the piezo-resistance substrate are provided with
Embedding slot, first pin includes first connecting portion, the first extension and the first weld part for being integrally formed connection, and this second
Pin includes second connecting portion, the second extension and the second weld part for being integrally formed connection, and first connecting portion and second connect
Socket part is flat and is embedded in fixation in the embedding slot of the two sides of piezo-resistance substrate respectively；The first electrode and second electrode
It is respectively arranged on the two sides of piezo-resistance substrate, first electrode and second electrode are connected with first connecting portion and second respectively
Portion's conducting is connected, and piezo-resistance substrate, the first pin, second pin, first electrode and second electrode are embedded in outside plastic cement
In shell, the first extension, the first weld part, the second extension and the protruding plastic shell of the second weld part；Radiating gold
Belong to shell produced by insert molding in plastic shell and expose to the outer surface of plastic shell, the first electrode includes first and aluminizes
Layer and the first copper plate, first aluminium coated are fitted fixed with the one side of piezo-resistance substrate and turn on company with first connecting portion
Connect, first copper plate is covered on the first aluminium coated, the second electrode includes the second aluminium coated and the second copper plate, this
Two aluminium coateds are fixed with the another side laminating of piezo-resistance substrate and are connected with second connecting portion conducting, and second copper plate covers
It is placed on the second aluminium coated.
2. high performance lighning proof type piezo-resistance as claimed in claim 1, it is characterised in that：First extension, first
In cylinder, first extension and the second extension are in eight for the cross section of weld part, the second extension and the second weld part
Font opens, and first weld part and the second weld part extend vertically downward.
3. high performance lighning proof type piezo-resistance as claimed in claim 1, it is characterised in that：First pin and second draws
Pin is copper material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161022.7U CN206271489U (en) | 2016-10-25 | 2016-10-25 | High performance lighning proof type piezo-resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621161022.7U CN206271489U (en) | 2016-10-25 | 2016-10-25 | High performance lighning proof type piezo-resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206271489U true CN206271489U (en) | 2017-06-20 |
Family
ID=59037692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621161022.7U Expired - Fee Related CN206271489U (en) | 2016-10-25 | 2016-10-25 | High performance lighning proof type piezo-resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206271489U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768052A (en) * | 2017-10-20 | 2018-03-06 | 惠州市欣旭电子有限公司 | A kind of SMD piezo-resistance manufacture craft and SMD piezo-resistance |
| CN109243739A (en) * | 2018-11-12 | 2019-01-18 | 深圳市槟城电子有限公司 | A kind of varistor and electronic equipment |
-
2016
- 2016-10-25 CN CN201621161022.7U patent/CN206271489U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107768052A (en) * | 2017-10-20 | 2018-03-06 | 惠州市欣旭电子有限公司 | A kind of SMD piezo-resistance manufacture craft and SMD piezo-resistance |
| CN109243739A (en) * | 2018-11-12 | 2019-01-18 | 深圳市槟城电子有限公司 | A kind of varistor and electronic equipment |
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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 |
Granted publication date: 20170620 Termination date: 20211025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |