CN105738426A - Bionic gas sensor based on butterfly scale gas-sensing functional characteristics - Google Patents
Bionic gas sensor based on butterfly scale gas-sensing functional characteristics Download PDFInfo
- Publication number
- CN105738426A CN105738426A CN201610207607.6A CN201610207607A CN105738426A CN 105738426 A CN105738426 A CN 105738426A CN 201610207607 A CN201610207607 A CN 201610207607A CN 105738426 A CN105738426 A CN 105738426A
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- gas
- sensing electrode
- bionical
- bionic
- resistance wire
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
Abstract
The invention discloses a bionic gas sensor based on butterfly scale gas-sensing functional characteristics.The bionic gas sensor comprises a plastic shell, a plastic base, a pin, a filter net, a resistance wire, a ceramic pipe, a platinum wire and a bionic gas-sensing electrode.The plastic base is located on the pin.The resistance wire is arranged on the plastic base.The bionic gas-sensing electrode is tightly attached to the upper end of the resistance wire.The filter net is arranged at the upper end of the plastic shell.The bionic gas-sensing electrode has the bionic butterfly scale gas-sensing functional characteristics.The bionic gas sensor is smaller in size, higher in detection speed, higher in sensitivity and detection precision and wide in application range.The bionic gas sensor can be used for inspecting drunk driving and detecting the content of alcohol in the fermentation industry.
Description
Technical field
The invention belongs to sensor technical field, relate to a kind of bionical gas sensor based on butterfly scale gas-sensing function characteristic.
Background technology
Sensor technology has highly important status in modern science and technology, in the plant equipment of the various advanced persons that current sensor technology is widely used in industry and national defence and system.The gas sensor kind that can realize gas concentration detection by quantitative is also a lot of, detection range is very wide, the chemical and biological weapons of military field are visited inspection, the poisoning treatment of medical domain, the flammable gas explosion monitoring of industrial circle, daily life field drunk driving detect, the practical application of the various fields such as carbon monoxide poisoning and haze content detection suffers from significance.Gas sensor volume is little, and operating circuit is simple, and working condition is less demanding, can realize the detection of gas and the transmission of signal.
But, the sensitivity of existing gas sensor can not meet the instructions for use of vast demander.Therefore, this patent is put into research direction in the Nature, it is intended to the method finding solution problem.Research finds, the complicated three-dimensional micro-nano structure in butterfly's wing scale surface can produce the different interference of light, diffraction effect thus causing that reflectance spectrum changes in gas with various atmosphere.It is applied in the detection research of chemical gas, the means such as R. concomitans spectrum analysis, it is possible to achieve the gas detecting to three-dimensional micro-nano structure.
Summary of the invention
It is an object of the invention to provide a kind of bionical gas sensor based on butterfly scale gas-sensing function characteristic, it is possible to tested gas and gas sensor are fully contacted, improve sensitivity and the accuracy of detection of detection.
The present invention includes cabinet, plastic base, pin, drainage screen, resistance wire, earthenware, platinum filament and bionical gas sensing electrode, plastic base is seated on pin, resistance wire is arranged on plastic base, what be close to resistance wire upper end is bionical gas sensing electrode, and cabinet upper end arranges drainage screen；Resistance wire is arranged in earthenware, and platinum filament is the lead-out wire of bionical gas sensing electrode.
Pin has four pins, the lead-in wire CD of two of which pin correspondence resistance wire, the lead-in wire AB of the corresponding bionical gas sensing electrode of two pins additionally.
Described bionical gas sensing electrode is the gas sensing electrode with imitative butterfly scale gas-sensing function characteristic.
Described bionical gas sensing electrode is with the butterfly wing of big blue flash butterfly for stay in place form, after rinsing, prepares by secondary template method, and the material of bionical gas sensing electrode is the stannum oxide of loose structure.
Described cabinet is loose structure, it is simple to gas enters sensor from hole.
Described drainage screen, for filtering out a series of impurity such as the dust that is mixed with in gas, makes clean gas contact with bionical gas sensing electrode, has discharged the interference of impurity, improve the accuracy of detection.
When detected gas concentration, the present invention is put in source of the gas or near source of the gas, gas is contacted with bionical gas sensing electrode by free diffusing.To cause the change of resistance, signal is carried out converting and amplifying by component, is transported in graphical display, thus reaching to quantify the purpose of gas concentration.After one action completes, being positioned over the resistance wire below bionical gas sensing electrode will be energized, and produce heat and drives away the gas being adsorbed in work process on bionical gas sensing electrode, reach the purpose that sensor repeatedly utilizes.It addition, resistance wire then in the course of the work, plays the effect that environment change (such as temperature change) compensates to external world.
Beneficial effects of the present invention:
1, the bionical gas sensing electrode of the stannum oxide that the present invention uses material to be loose structure is as air-sensitive original paper, it is provided that a kind of gas detection method with low cost and simple to operate.
2, volume of the present invention less, detection speed faster, sensitivity and accuracy of detection higher, applied range.Can be used for the detection etc. of ethanol content in the inspection driven when intoxicated and fermentation industry.
Accompanying drawing explanation
Fig. 1 is the schematic appearance of the present invention.
Fig. 2 is the gas sensor schematic diagram of the present invention.
Fig. 3 is the first line schematic diagram of the present invention.
Fig. 4 is the second line schematic diagram of the present invention.
Fig. 5 is the 3rd line schematic diagram of the present invention.
In figure: 1 cabinet, 2 plastic bases, 3 pins, 4 drainage screens, 5 resistance wires, 6 earthenwares, 7 platinum filaments, 8 bionical gas sensing electrodes.
Detailed description of the invention
Refer to shown in Fig. 1 and Fig. 2, the present invention includes cabinet 1, plastic base 2, pin 3, drainage screen 4, resistance wire 5, earthenware 6, platinum filament 7 and bionical gas sensing electrode 8, plastic base 2 is seated on pin 3, resistance wire 5 is arranged on plastic base 2, what be close to resistance wire 5 upper end is bionical gas sensing electrode 8, and cabinet 1 upper end arranges drainage screen 4；Resistance wire 5 is arranged in earthenware 6, and platinum filament 7 is the lead-out wire of bionical gas sensing electrode 8.
Referring to shown in Fig. 3, Fig. 4 and Fig. 5, pin 3 has four pins, the lead-in wire CD of two of which pin correspondence resistance wire 5, the lead-in wire AB of the corresponding bionical gas sensing electrode 8 of two pins additionally.
Described bionical gas sensing electrode 8 is the gas sensing electrode with imitative butterfly scale gas-sensing function characteristic.
Described bionical gas sensing electrode 8 is with the butterfly wing of big blue flash butterfly for stay in place form, after rinsing, prepares by secondary template method, the stannum oxide that material is loose structure of bionical gas sensing electrode 8.
Described cabinet 1 is loose structure, it is simple to gas enters sensor from hole.
Described drainage screen 4, for filtering out a series of impurity such as the dust that is mixed with in gas, makes clean gas contact with bionical gas sensing electrode 8, has discharged the interference of impurity, improve the accuracy of detection.
When detected gas concentration, the present invention is put in source of the gas or near source of the gas, gas is contacted with bionical gas sensing electrode 8 by free diffusing.To cause the change of resistance, signal is carried out converting and amplifying by component, is transported in graphical display, thus reaching to quantify the purpose of gas concentration.After one action completes, being positioned over the resistance wire 5 below bionical gas sensing electrode 8 will be energized, and produce heat and drives away the gas being adsorbed in work process on bionical gas sensing electrode 8, reach the purpose that sensor repeatedly utilizes.It addition, resistance wire 5 then in the course of the work, plays the effect that environment change (such as temperature change) compensates to external world.
Claims (5)
1. the bionical gas sensor based on butterfly scale gas-sensing function characteristic, it is characterized in that: include cabinet (1), plastic base (2), pin (3), drainage screen (4), resistance wire (5), earthenware (6), platinum filament (7) and bionical gas sensing electrode (8), plastic base (2) is seated on pin (3), resistance wire (5) is arranged on plastic base (2), what be close to resistance wire (5) upper end is bionical gas sensing electrode (8), cabinet (1) upper end arranges drainage screen (4)；Resistance wire (5) is arranged in earthenware (6), and platinum filament (7) is the lead-out wire of bionical gas sensing electrode (8).
2. a kind of bionical gas sensor based on butterfly scale gas-sensing function characteristic according to claim 1, it is characterised in that: described bionical gas sensing electrode (8) is the gas sensing electrode with imitative butterfly scale gas-sensing function characteristic.
3. a kind of bionical gas sensor based on butterfly scale gas-sensing function characteristic according to claim 1, it is characterised in that: the stannum oxide that material is loose structure of described bionical gas sensing electrode (8).
4. a kind of bionical gas sensor based on butterfly scale gas-sensing function characteristic according to claim 1, it is characterised in that: described cabinet (1) is loose structure.
5. a kind of bionical gas sensor based on butterfly scale gas-sensing function characteristic according to claim 1, it is characterized in that: pin (3) has four pins, the lead-in wire CD of two of which pin correspondence resistance wire (5), the lead-in wire AB of the corresponding bionical gas sensing electrode (8) of two pins additionally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610207607.6A CN105738426A (en) | 2016-04-06 | 2016-04-06 | Bionic gas sensor based on butterfly scale gas-sensing functional characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610207607.6A CN105738426A (en) | 2016-04-06 | 2016-04-06 | Bionic gas sensor based on butterfly scale gas-sensing functional characteristics |
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| Publication Number | Publication Date |
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| CN105738426A true CN105738426A (en) | 2016-07-06 |
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| CN201610207607.6A Pending CN105738426A (en) | 2016-04-06 | 2016-04-06 | Bionic gas sensor based on butterfly scale gas-sensing functional characteristics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813766A (en) * | 2019-03-26 | 2019-05-28 | 吉林大学 | A kind of gas sensor and preparation method thereof of imitative scorpion ctenii |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931654A (en) * | 2015-06-11 | 2015-09-23 | 吉林大学 | Biomimetic microstructure used on surface of gas sensor |
-
2016
- 2016-04-06 CN CN201610207607.6A patent/CN105738426A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104931654A (en) * | 2015-06-11 | 2015-09-23 | 吉林大学 | Biomimetic microstructure used on surface of gas sensor |
Non-Patent Citations (4)
| Title |
|---|
| ZHIWU HAN ET AL.: "An ingenious replica templated from the light trapping structure in butterfly wing scales", 《NANOSCALE》 * |
| ZHIWU HAN ET AL.: "Unparalleled sensitivity of photonic structures in butterfly wings", 《RSC ADVANCES》 * |
| 李亦菲: "《传感器基本电路实验》", 30 September 2007 * |
| 杨盟: "蝴蝶鳞片表面微结构及其气敏特性仿生研究", 《中国优秀硕士学位论文全文数据库 基础科学辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813766A (en) * | 2019-03-26 | 2019-05-28 | 吉林大学 | A kind of gas sensor and preparation method thereof of imitative scorpion ctenii |
| CN109813766B (en) * | 2019-03-26 | 2021-06-29 | 吉林大学 | Scorpion comb tooth-imitated gas sensor and preparation method thereof |
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Application publication date: 20160706 |
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