CN207718967U - Durable type piezoresistor - Google Patents
Durable type piezoresistor Download PDFInfo
- Publication number
- CN207718967U CN207718967U CN201721571060.4U CN201721571060U CN207718967U CN 207718967 U CN207718967 U CN 207718967U CN 201721571060 U CN201721571060 U CN 201721571060U CN 207718967 U CN207718967 U CN 207718967U
- Authority
- CN
- China
- Prior art keywords
- carbon fiber
- insulator foot
- fiber skin
- pins
- durable type
- 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 durable type piezoresistor, includes carbon fiber skin, insulator foot, varistor ontology and two pins；The insulator foot, which covers the bottom opening of carbon fiber skin and enclosed with carbon fiber skin, is configured to an accommodating space, and the top surface of carbon fiber skin offers the heat emission hole for being connected to accommodating space with all sides, and the bottom of insulator foot, which is integrally extended, fixed column；By being equipped with carbon fiber skin and insulator foot; to protect varistor ontology well; realize explosion-proof purpose; simultaneously; by being provided with heat emission hole in carbon fiber skin; the heat heat radiating via hole Quick diffusing that varistor ontology is generated, avoids heat from gathering, promotes the performance of product；In addition, having fixed column by integrally extending in the bottom of insulator foot so that this product can be firmly secured on circuit board, effectively prevented two pins and be broken off, to ensure that the stability and reliability of circuit, product are also more durable.
Description
Technical field
The utility model is related to resistor field technologies, refer in particular to a kind of durable type piezoresistor.
Background technology
Piezoresistor is that have nonlinear wind vibration and have the sensitive member of the solid-state voltage of transient suppression overvoltage effect
Part.When terminal voltage is less than a certain threshold value, the electric current of piezoresistor is no better than zero；When more than this threshold value, current value is with end
The increase of voltage and sharply increase.The nonlinear wind vibration of piezoresistor is by varistor body（Or pressure-sensitive knot）Voltage drop
Caused by variation, so also known as nonlinear resistor.The classification of common piezoresistor is listed in table.In power industry
In, it is often used pressure sensitive and arrester valve piece is made.
It is typically that varistor is placed in an explosion-resistant enclosure to seal, so to realize the explosion-proof of piezoresistor
Cause the heat that varistor generates to be difficult to distribute, influence the performance of product, also, current piezoresistor mainly according to
It fixes and is connected with circuit board by two pins, two pins are easy to be broken off, to cause harmful effect to the circuit of circuit board.Cause
This, it is necessary to current piezoresistor is improved.
Invention content
In view of this, the utility model is in view of the existing deficiencies of the prior art, main purpose is to provide a kind of durable type
Piezoresistor can effectively solve the problems, such as that existing piezoresistor heat is difficult to distribute and pin is easy to be broken off.
To achieve the above object, the utility model is using following technical solution：
A kind of durable type piezoresistor includes carbon fiber skin, insulator foot, varistor ontology and two is drawn
Foot；The insulator foot, which covers the bottom opening of carbon fiber skin and enclosed with carbon fiber skin, is configured to an accommodating space, carbon fiber
The top surface for tieing up shell offers the heat emission hole for being connected to accommodating space with all sides, and the bottom of insulator foot, which is integrally extended, fixation
Column；The varistor ontology is set in accommodating space；Connection is connected with varistor ontology in the two pins, and two pins are worn
Insulator foot is crossed to extend downwardly out.
Preferably, there is the bottom margin of the carbon fiber skin bound edge, the bound edge to wrap the bottom of insulator foot
Periphery.
Preferably, there is an annular card division, the side face of the insulator foot to have a ring for the inside of the carbon fiber skin
Shape card slot, the annular card division are caught in annular slot.
Preferably, the pin includes that the horizontal segment of integrated molding connection and vertical section, horizontal segment are butted on insulator foot
Surface on, vertical section passes perpendicularly through insulator foot and extends downwardly, which is located between the vertical section of two pins.
The utility model has clear advantage and advantageous effect compared with prior art, specifically, by above-mentioned technology
Known to scheme：
By being equipped with carbon fiber skin and insulator foot, to protect varistor ontology well, realize explosion-proof
Purpose, meanwhile, by being provided with heat emission hole in carbon fiber skin so that the heat that varistor ontology generates, which can penetrate, to be dissipated
Hot hole Quick diffusing, avoids heat from gathering, and promotes the performance of product；In addition, by integrally prolonging in the bottom of insulator foot
It is extended with fixed column so that this product can be firmly secured on circuit board, effectively prevented two pins and be broken off, to ensure
The stability and reliability of circuit, product are also more durable.
More clearly to illustrate the structure feature and effect of the utility model, come below in conjunction with the accompanying drawings with specific embodiment pair
The utility model is described in detail：
Description of the drawings
Fig. 1 is the sectional view of the preferred embodiment of the utility model.
Description of drawing identification：
10, carbon fiber skin 11, accommodating space
12, heat emission hole 13, bound edge
14, annular card division 20, insulator foot
21, fixed column 22, annular slot
30, varistor ontology 40, pin
41, horizontal segment 42, vertical section
Specific implementation mode
It please refers to shown in Fig. 1, that show the concrete structures of the preferred embodiment of the utility model, include carbon fiber
Shell 10, insulator foot 20, varistor ontology 30 and two pins 40.
The insulator foot 20, which covers the bottom opening of carbon fiber skin 10 and enclosed with carbon fiber skin 10, is configured to an appearance
11 between emptying, the top surface of carbon fiber skin 10 offers the heat emission hole 12 for being connected to accommodating space 11, insulator foot 20 with all sides
Bottom integrally extend and have fixed column 21；In the present embodiment, the bottom margin of the carbon fiber skin 10 has a bound edge
13, which wraps the bottom peripheral edge of insulator foot 20, and the inside of the carbon fiber skin 10 has an annular card division 14,
The side face of the insulator foot 20 has an annular slot 22, which is caught in annular slot 22；And it is described scattered
Hot hole 12 is spaced multiple, which is ceramics or plastic cement material, and the lower end of fixed column 21 is back taper
Shape, it is fixed to be tightly inserted into circuit board.
The varistor ontology 30 is set in accommodating space 11；Varistor ontology 30 mainly includes zinc oxide pressure-sensitive
Resistance tile and the silver electrode layer being set on two apparent surfaces of Zinc-oxide piezoresistor tile, primary structure are existing skill
Art does not describe the concrete structure of varistor ontology 30 at this in detail.
The two pins 40 are connected with varistor ontology 30 and connect, and two pins 40 both pass through insulator foot 20 and extend downwardly
Go out.In the present embodiment, the pin 40 includes that the horizontal segment 41 of integrated molding connection and vertical section 42, horizontal segment 41 are butted on
On the surface of insulator foot 20, vertical section 42 passes perpendicularly through insulator foot 20 and extends downwardly, which is located at two pins 40
Vertical section 42 between.
The application method that the present embodiment is described in detail is as follows：
In use, fixed column 21 and the mounting hole cooperation on circuit board are fixed to inserting installation, and erecting two pins 40
Straight section 42, which is inserted on circuit board, welds conducting in corresponding welding hole, in use, the heat that varistor ontology 30 generates
Amount heat radiating via hole 12 distributes outward, avoids the accumulation of heat in accommodating space 11, passes through carbon fiber skin 10 and insulator foot
20 cooperations can protect varistor ontology 30 well, and realize explosion-proof purpose.
The design focal point of the utility model is：By being equipped with carbon fiber skin and insulator foot, to protect well
Varistor ontology realizes explosion-proof purpose, meanwhile, by being provided with heat emission hole in carbon fiber skin so that varistor
Ontology generate heat can heat radiating via hole Quick diffusing, avoid heat from gathering, promote the performance of product；In addition, logical
It crosses integrally to extend in the bottom of insulator foot and has fixed column so that this product can be firmly secured on circuit board, effectively
Prevent two pins to be broken off, to ensure that the stability and reliability of circuit, product are also more durable.
The technical principle of the utility model is described above in association with specific embodiment.These descriptions are intended merely to explain this reality
With novel principle, and it cannot be construed to the limitation to scope of protection of the utility model in any way.Based on the explanation herein,
Those skilled in the art would not require any inventive effort the other specific implementation modes that can associate the utility model,
These modes are fallen within the scope of protection of the utility model.
Claims (4)
1. a kind of durable type piezoresistor, it is characterised in that：Include carbon fiber skin, insulator foot, varistor ontology
And two pins；The insulator foot, which covers the bottom opening of carbon fiber skin and enclosed with carbon fiber skin, is configured to an accommodating sky
Between, the top surface of carbon fiber skin offers the heat emission hole for being connected to accommodating space with all sides, and the bottom of insulator foot integrally extends
Go out to have fixed column；The varistor ontology is set in accommodating space；The two pins are connected connection with varistor ontology, and two
Pin both passes through insulator foot and extends downwardly out.
2. durable type piezoresistor as described in claim 1, it is characterised in that：The bottom margin of the carbon fiber skin has
There is a bound edge, which wraps the bottom peripheral edge of insulator foot.
3. durable type piezoresistor as claimed in claim 1 or 2, it is characterised in that：The inside of the carbon fiber skin has
There are an annular card division, the side face of the insulator foot that there is an annular slot, which is caught in annular slot.
4. durable type piezoresistor as described in claim 1, it is characterised in that：The pin includes to be integrally formed connection
Horizontal segment and vertical section, horizontal segment be butted on the surface of insulator foot, vertical section passes perpendicularly through insulator foot and extends downwardly, should
Fixed column is located between the vertical section of two pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571060.4U CN207718967U (en) | 2017-11-22 | 2017-11-22 | Durable type piezoresistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571060.4U CN207718967U (en) | 2017-11-22 | 2017-11-22 | Durable type piezoresistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207718967U true CN207718967U (en) | 2018-08-10 |
Family
ID=63061750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571060.4U Expired - Fee Related CN207718967U (en) | 2017-11-22 | 2017-11-22 | Durable type piezoresistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207718967U (en) |
-
2017
- 2017-11-22 CN CN201721571060.4U patent/CN207718967U/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: 20180810 Termination date: 20201122 |