CN105891911B - A kind of array silicon pressure rain sensor - Google Patents
A kind of array silicon pressure rain sensor Download PDFInfo
- Publication number
- CN105891911B CN105891911B CN201610225470.7A CN201610225470A CN105891911B CN 105891911 B CN105891911 B CN 105891911B CN 201610225470 A CN201610225470 A CN 201610225470A CN 105891911 B CN105891911 B CN 105891911B
- Authority
- CN
- China
- Prior art keywords
- silicon pressure
- pressure sensor
- silicon
- control unit
- sensor groups
- 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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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
Abstract
A kind of array silicon pressure rain sensor, including：16 silicon pressure sensor groups, silicone protective layer, control unit, usb hubs, 8 support ribs；16 silicon pressure sensor groups are arranged in a concentric circles, alternate 1 support rib of two silicon pressure sensor groups.Silicon pressure sensor group is made of 32 silicon pressure sensors, cmos signal process circuit, temperature-compensation circuit, trapezoidal.Silicon pressure sensor includes two power cords, two signal wires, four varistors, cmos analog switches for forming Wheatstone bridge；Cmos signal process circuit includes counter, X-decoder, Y-decoder, circulation serial circuit, USB drive circuits；For with 32 unit serial loop scan modes, obtaining 32 pressure signals successively, control unit being sent to by USB drive circuits.
Description
Technical field
The present invention relates to silicon piezoresistive pressure sensor technical field, and in particular to a kind of array silicon pressure rainfall sensing
Device.
Background technology
Since the seventies, rapidly development is obtained using integrated circuit technique manufacture silicon piezoresistive pressure sensor, has been made
The resistance of periphery fixed and silicon diaphragm integrated silicon cup formula diffused pressure sensor, it overcomes semiconductor strain gauge formula
Pressure sensor there are the problem of, function admirable, it is easy to accomplish miniaturization and batch production, can by resistor stripe, compensated line,
Signal adjustment circuit is integrated on one piece of silicon chip, in addition by calculation processing circuit it is ashamed with sensor system together with, become " integrated biography
Sensor ", makes piezoresistive pressure sensor obtain important and be widely applied, becomes a kind of novel pressure of people's most attention
Sensor.
External Susumu Sugiyama et al. have developed a kind of using 32 × 32 (lk) silicon piezoresistive pressure elements composition battle array
Sensor, each pressure drag full-bridge that is mainly characterized by of its sensitization array have two-wire read-out system so that noise and power consumption
Low, high resolution.
But currently without convenient rain sensor.
The content of the invention
Sensed an embodiment of the present invention provides a kind of array silicon pressure rain sensor with solving no convenient rainfall
The problem of device.
It is an object of the invention to provide a kind of sensor of automatic measurement rainfall.
The present invention is achieved through the following technical solutions above-mentioned purpose.
A kind of array silicon pressure rain sensor, including：16 silicon pressure sensor groups, silicone protective layer, control are single
Member, USB hubs, 8 support ribs；16 silicon pressure sensor groups are arranged in a concentric circles, two silicon pressure sensor groups
Alternate 1 support rib.
Silicon pressure sensor group is made of 32 silicon pressure sensors, cmos signal process circuit, temperature-compensation circuit, is in
It is trapezoidal.Silicon pressure sensor includes two power cords, two signal wires, four varistors, CMOS for forming Wheatstone bridge
Analog switch；Cmos signal process circuit includes counter, X-decoder, Y-decoder, circulation serial circuit, USB drive circuits；
For with 32 unit serial loop scan modes, obtaining 32 pressure signals successively, it is single to be sent to control by USB drive circuits
Member.
Silicone protective layer is used to protect silicon pressure sensor group.
Control unit is used to receive 512 pressure signals that 16 silicon pressure sensor groups transmit, according to pressure signal meter
The quantity and dynamics of raindrop are calculated, and calculates rainfall accordingly；Compensated for nonlinearity erron and environment temperature additive error.
USB hubs are used to connect control unit, 16 silicon pressure sensor groups and be provided out USB interface, are used for
The power supply of control unit and 16 silicon pressure sensor groups, positioned at the trapezoidal upper bottom of each silicon pressure sensor group.
The radius 4CM of concentric circles, exradius 12CM, inner circle are sky, cylindrical placement array silicon pressure rain sensor.
The beneficial effect of the method for the present invention is：A kind of sensor of automatic measurement rainfall is provided.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those skilled in the art, without having to pay creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
A kind of sensors of automatic measurement rainfall of Fig. 1.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
A kind of sensors of automatic measurement rainfall of embodiment l.
As shown in Figure 1, the embodiment of the present invention
A kind of array silicon pressure rain sensor, including：16 silicon pressure sensor groups, silicone protective layer, control are single
Member, USB hubs, 8 support ribs；16 silicon pressure sensor groups are arranged in a concentric circles, two silicon pressure sensor groups
Alternate 1 support rib.
Silicon pressure sensor group is made of 32 silicon pressure sensors, cmos signal process circuit, temperature-compensation circuit, is in
It is trapezoidal.Silicon pressure sensor includes two power cords, two signal wires, four varistors, CMOS for forming Wheatstone bridge
Analog switch；Cmos signal process circuit includes counter, X-decoder, Y-decoder, circulation serial circuit, USB drive circuits；
For with 32 unit serial loop scan modes, obtaining 32 pressure signals successively, it is single to be sent to control by USB drive circuits
Member.
Silicone protective layer is used to protect silicon pressure sensor group.
Control unit is used to receive 512 pressure signals that 16 silicon pressure sensor groups transmit, according to pressure signal meter
The quantity and dynamics of raindrop are calculated, and calculates rainfall accordingly；Compensated for nonlinearity erron and environment temperature additive error.
USB hubs are used to connect control unit, 16 silicon pressure sensor groups and be provided out USB interface, are used for
The power supply of control unit and 16 silicon pressure sensor groups, positioned at the trapezoidal upper bottom of each silicon pressure sensor group.
The radius 4CM of concentric circles, exradius 12CM, inner circle are sky, cylindrical placement array silicon pressure rain sensor.
Apply specific embodiment in the present invention to be set forth the principle of the present invention and embodiment, above example
Explanation be only intended to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in specific embodiments and applications, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (2)
- A kind of 1. array silicon pressure rain sensor, it is characterised in that including：It is 16 silicon pressure sensor groups, silica gel protected Layer, control unit, USB hubs, 8 support ribs；16 silicon pressure sensor groups are arranged in a concentric circles, two silicon pressures Alternate 1 support rib of force snesor group；Silicon pressure sensor group is made of 32 silicon pressure sensors, cmos signal process circuit, temperature-compensation circuit, in ladder Shape；Silicon pressure sensor includes two power cords, two signal wires, four varistors, the CMOS moulds for forming Wheatstone bridge Intend switch；Cmos signal process circuit includes counter, X-decoder, Y-decoder, circulation serial circuit, USB drive circuits；With In with 32 unit serial loop scan modes, 32 pressure signals are obtained successively, it is single to be sent to control by USB drive circuits Member；Silicone protective layer is used to protect silicon pressure sensor group；Control unit is used to receive 512 pressure signals that 16 silicon pressure sensor groups transmit, and rain is calculated according to pressure signal The quantity and dynamics of point, and rainfall is calculated accordingly；Control unit is additionally operable to carry out nonlinear error compensation to silicon pressure sensor Compensated with environment temperature additive error；USB hubs are used to connect control unit, 16 silicon pressure sensor groups and be provided out USB interface, for controlling The power supply of unit and 16 silicon pressure sensor groups, positioned at the trapezoidal upper bottom of each silicon pressure sensor group.
- A kind of 2. array silicon pressure rain sensor according to claim 1, it is characterised in that the half of the concentric circles Footpath 4CM, exradius 12CM, inner circle are sky, cylindrical placement array silicon pressure rain sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225470.7A CN105891911B (en) | 2016-04-12 | 2016-04-12 | A kind of array silicon pressure rain sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610225470.7A CN105891911B (en) | 2016-04-12 | 2016-04-12 | A kind of array silicon pressure rain sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105891911A CN105891911A (en) | 2016-08-24 |
| CN105891911B true CN105891911B (en) | 2018-04-27 |
Family
ID=57012340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610225470.7A Expired - Fee Related CN105891911B (en) | 2016-04-12 | 2016-04-12 | A kind of array silicon pressure rain sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105891911B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7516002B2 (en) * | 2006-01-10 | 2009-04-07 | Guardian Industries Corp. | Rain sensor for detecting rain or other material on window of a vehicle or on other surface |
| CN101509788B (en) * | 2009-03-10 | 2010-09-15 | 东南大学 | Capacitance silicon micromechanical rainfall sensor |
| JP2013079828A (en) * | 2011-10-03 | 2013-05-02 | Panasonic Corp | Rainfall sensor and rainfall measuring method |
| CN104536063B (en) * | 2015-01-16 | 2017-01-18 | 东南大学 | Piezoresistance sensitivity and capacitance sensitivity combined rain sensor structure |
-
2016
- 2016-04-12 CN CN201610225470.7A patent/CN105891911B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN105891911A (en) | 2016-08-24 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528100 Guangdong Province, Foshan City Sanshui District, River Road, No. 1 North Pearl 13 block 1404 Applicant after: Tan Xitao Address before: 528100 Kangle street, Sanshui District, Guangdong, Foshan, China, No. four, block 2, No. 504 Applicant before: Tan Xitao |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190516 Address after: 430200 Guanggu Core Center, 303 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, Phase 3, Building 4-02, Building 8, Building 3 Patentee after: Wuhan Yunhong Gaojing Technology Co., Ltd. Address before: 528100 Beijiang Pearl, No. 1 Xihe Road, Sanshui District, Foshan City, Guangdong Province, 13 1404 Patentee before: Tan Xitao |
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| 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: 20180427 Termination date: 20210412 |