CN209230833U - A kind of high performance pressure sensor - Google Patents
A kind of high performance pressure sensor Download PDFInfo
- Publication number
- CN209230833U CN209230833U CN201920121775.2U CN201920121775U CN209230833U CN 209230833 U CN209230833 U CN 209230833U CN 201920121775 U CN201920121775 U CN 201920121775U CN 209230833 U CN209230833 U CN 209230833U
- Authority
- CN
- China
- Prior art keywords
- vent hood
- pressure sensor
- substrate
- high performance
- venthole
- 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 provides a kind of high performance pressure sensor, is set to first vent hood on the substrate top including substrate, lid and covers the second vent hood being set on the outside of first vent hood；Multiple first ventholes are offered in the first vent hood upper, annular matrix form, offer multiple second ventholes in the second vent hood upper, annular matrix form；And second venthole pore size be greater than the first venthole pore size；Substrate front side centre is provided with an IC chip, and is wrapped around in the IC chip and is provided with multiple pressure sensitive chips；The substrate back is provided with multiple conducting pieces be connected with exposed electrical object, in actual application, the layout of first vent hood, the ring quasi array formula open-celled structure of the second vent hood and multiple induction chips is arranged, the performance of ventilating of pressure sensor can effectively be improved, and be conducive to improve induction sensitivity, the design is reasonable in design, and using effect is prominent.
Description
[technical field]
The utility model relates to pressure sensor product technical field more particularly to a kind of application effect high-performance outstanding
Pressure sensor.
[background technique]
With the rapid development that science and technology is with rapid changepl. never-ending changes and improvements, intelligentized portable electronic device gradually comes into vogue, example
Such as smart phone, Intelligent bracelet, intelligence on hand, tablet computer, user constantly pursue portable electronic device it is intelligentized
Meanwhile what is more focused on is that portable electronic device is needed to experience with colourful user experience, it is more and more at present
Pressure sensor is placed in portable electronic device by manufacturer, and the air hole design of existing pressure sensor is larger, and easy pair
Pressure sensor inside pollutes, and influences the performance of pressure sensor.
Based on the above issues, the permeability of pressure sensor, those skilled in the art how could effectively be improved
A large amount of research and development and experiment have been carried out, has been started with from the construction portion of pressure sensor and is improved and improve, and has been achieved preferably
Achievement.
[utility model content]
To overcome the problems of prior art, the utility model provides a kind of application effect high performance pressure outstanding
Sensor.
The scheme that the utility model solves technical problem is to provide a kind of high performance pressure sensor, including substrate, lid are set
The first vent hood and lid that are set to the substrate top are set to the second vent hood on the outside of first vent hood；?
The first vent hood upper, annular matrix form offers multiple first ventholes, in the second vent hood upper, annular matrix
Formula offers multiple second ventholes；And second venthole pore size be greater than the first venthole pore size；Described
Substrate front side centre is provided with an IC chip, and wraps around in the IC chip and be provided with multiple pressure
Induction chip；The substrate back is provided with multiple conducting pieces be connected with exposed electrical object.
Preferably, on the inside of the first venthole of first vent hood and on the inside of the second venthole of the second vent hood all
It is provided with the filtering meshes and filter cotton layer for carrying out air filtration.
Preferably, the filtering meshes are in filter cotton layer top and lower part；And the thickness of filter cotton layer is greater than filter screen
The thickness of layer.
Preferably, it is offered on the substrate and the first matched first annular groove body of vent hood periphery wall shape；It should
First vent hood is embedded in the first annular groove body；It is also provided on the substrate and the second vent hood periphery wall shape
Matched second annular trough body；Second vent hood is embedded in second annular trough body.
Preferably, the pore size range of first venthole is 1-2.5mm；The pore size of second venthole
Range is 2.6-4mm.
Preferably, first vent hood and the second vent hood are all cylindrical shape.
Preferably, the thickness magnitude range of the substrate is 1-3mm.
Preferably, the first annular groove body, the second annular trough body groove body bottom be both provided with plastic cement gasket.
Compared with prior art, a kind of high performance pressure sensor of the utility model passes through while being arranged substrate 11, lid is set
It is set to first vent hood 12 on 11 top of substrate and covers second be set on the outside of first vent hood 12 and lead to
13 structure of gas hood opens up multiple first ventholes 121 in 12 upper, annular matrix form of the first vent hood, on the second vent hood 13
Portion's ring quasi array formula opens up multiple second ventholes 131, and guarantees that the pore size of the second venthole 131 is greater than the first venthole
An ic core is arranged at 11 front center position of substrate in order to incude to external pressure change in 121 pore size
Piece 112 wraps around in IC chip 112 and multiple pressure sensitive chips 113 is arranged, and in actual application, first is logical
The layout of gas hood 12, the ring quasi array formula open-celled structure of the second vent hood 13 and multiple induction chips is arranged, can be effective
The performance of ventilating of pressure sensor is improved, and is conducive to improve induction sensitivity, the design is reasonable in design, and using effect is prominent
Out.
[Detailed description of the invention]
Fig. 1 and Fig. 2 is a kind of stereoscopic-state structural schematic diagram of high performance pressure sensor of the utility model.
Fig. 3 is a kind of explosive state structural schematic diagram of high performance pressure sensor of the utility model.
[specific embodiment]
To make the purpose of this utility model, technical solution and advantage are more clearly understood, with reference to the accompanying drawings and embodiments,
The present invention will be further described in detail.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model is not used to limit this utility model.
It please refers to Fig.1 to Fig.3, a kind of high performance pressure sensor 1 of the utility model is set to institute including substrate 11, lid
The first vent hood 12 and lid for stating 11 top of substrate are set to second vent hood 13 in 12 outside of the first vent hood；?
First vent hood, the 12 upper, annular matrix form offers multiple first ventholes 121, on 13 top of the second vent hood
Ring quasi array formula offers multiple second ventholes 131；And second venthole 131 pore size be greater than the first venthole 121
Pore size；The 11 front center position of substrate is provided with an IC chip 112, and in the IC chip
112 wrap around and are provided with multiple pressure sensitive chips 113；11 back side of substrate is provided with multiple leads with exposed electrical object
Logical conducting piece 111.
The application passes through while being arranged substrate 11, lid is set to first vent hood 12 on 11 top of substrate and covers
If being set to 13 structure of the second vent hood in 12 outside of the first vent hood, opened in 12 upper, annular matrix form of the first vent hood
If multiple first ventholes 121, multiple second ventholes 131 are opened up in 13 upper, annular matrix form of the second vent hood, and guarantee
The pore size of second venthole 131 is greater than the pore size of the first venthole 121, in order to feel to external pressure change
It answers, one IC chip 112 is set at 11 front center position of substrate, it is more to wrap around setting in IC chip 112
A pressure sensitive chip 113, in actual application, the ring quasi array formula aperture knot of the first vent hood 12, the second vent hood 13
The setting of the layout of structure and multiple induction chips, can effectively improve the performance of ventilating of pressure sensor, and be conducive to improve
Induction sensitivity, the design is reasonable in design, and using effect is prominent.
Preferably, 121 inside of the first venthole of first vent hood 12 and the second ventilation of the second vent hood 13
The filtering meshes and filter cotton layer for carrying out air filtration are both provided on the inside of hole 131.
Preferably, the filtering meshes are in filter cotton layer top and lower part；And the thickness of filter cotton layer is greater than filter screen
The thickness of layer.
Preferably, it is offered on the substrate 11 and the matched first annular slot of 12 periphery wall shape of the first vent hood
Body；First vent hood 12 is embedded in the first annular groove body；It is also provided on the substrate 11 and the second vent hood 13
Matched second annular trough body of periphery wall shape；Second vent hood 13 is embedded in second annular trough body.
Preferably, the pore size range of first venthole 121 is 1-2.5mm；The hole of second venthole 131
Diameter magnitude range is 2.6-4mm.
Preferably, first vent hood 12 and the second vent hood 13 are all cylindrical shape.
Preferably, the thickness magnitude range of the substrate 11 is 1-3mm.
Preferably, the first annular groove body, the second annular trough body groove body bottom be both provided with plastic cement gasket.
Compared with prior art, a kind of high performance pressure sensor 1 of the utility model passes through while being arranged substrate 11, lid is set
It is set to first vent hood 12 on 11 top of substrate and covers second be set on the outside of first vent hood 12 and lead to
13 structure of gas hood opens up multiple first ventholes 121 in 12 upper, annular matrix form of the first vent hood, on the second vent hood 13
Portion's ring quasi array formula opens up multiple second ventholes 131, and guarantees that the pore size of the second venthole 131 is greater than the first venthole
An ic core is arranged at 11 front center position of substrate in order to incude to external pressure change in 121 pore size
Piece 112 wraps around in IC chip 112 and multiple pressure sensitive chips 113 is arranged, and in actual application, first is logical
The layout of gas hood 12, the ring quasi array formula open-celled structure of the second vent hood 13 and multiple induction chips is arranged, can be effective
The performance of ventilating of pressure sensor is improved, and is conducive to improve induction sensitivity, the design is reasonable in design, and using effect is prominent
Out.
Above-described the utility model embodiment, does not constitute the restriction to scope of protection of the utility model.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (8)
1. a kind of high performance pressure sensor, it is characterised in that: be set to the substrate top including substrate, lid first is led to
Gas hood and lid are set to the second vent hood on the outside of first vent hood；In the first vent hood upper, annular matrix
Formula offers multiple first ventholes, offers multiple second ventholes in the second vent hood upper, annular matrix form；And
The pore size of second venthole is greater than the pore size of the first venthole；The substrate front side centre is provided with a collection
At circuit chip, and is wrapped around in the IC chip and be provided with multiple pressure sensitive chips；The substrate back setting
There are multiple conducting pieces be connected with exposed electrical object.
2. a kind of high performance pressure sensor as described in claim 1, it is characterised in that: the first of first vent hood is logical
The filtering meshes and mistake for carrying out air filtration are both provided on the inside of stomata and on the inside of the second venthole of the second vent hood
Filter pulp layer.
3. a kind of high performance pressure sensor as claimed in claim 2, it is characterised in that: the filtering meshes are in filter cotton
Layer top and lower part；And the thickness of filter cotton layer is greater than the thickness of filtering meshes.
4. a kind of high performance pressure sensor as described in any one of claims 1 to 3 claim, it is characterised in that:
It is offered on the substrate and the first matched first annular groove body of vent hood periphery wall shape；First vent hood is embedded in institute
It states in first annular groove body；It is also provided on the substrate and the second matched second annular groove of vent hood periphery wall shape
Body；Second vent hood is embedded in second annular trough body.
5. a kind of high performance pressure sensor as described in claim 1, it is characterised in that: the aperture of first venthole is big
Small range is 1-2.5mm；The pore size range of second venthole is 2.6-4mm.
6. a kind of high performance pressure sensor as claimed in claim 1 or 5, it is characterised in that: first vent hood and
Two vent hoods are all cylindrical shape.
7. a kind of high performance pressure sensor as described in claim 1, it is characterised in that: the thickness magnitude range of the substrate
For 1-3mm.
8. a kind of high performance pressure sensor as claimed in claim 4, it is characterised in that: the first annular groove body, second
The groove body bottom of annular trough body is both provided with plastic cement gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121775.2U CN209230833U (en) | 2019-01-24 | 2019-01-24 | A kind of high performance pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920121775.2U CN209230833U (en) | 2019-01-24 | 2019-01-24 | A kind of high performance pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209230833U true CN209230833U (en) | 2019-08-09 |
Family
ID=67510856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920121775.2U Expired - Fee Related CN209230833U (en) | 2019-01-24 | 2019-01-24 | A kind of high performance pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209230833U (en) |
-
2019
- 2019-01-24 CN CN201920121775.2U patent/CN209230833U/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: 20190809 Termination date: 20210124 |