CN107300579A - A kind of domestic carbon monoxide detection means - Google Patents

A kind of domestic carbon monoxide detection means Download PDF

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Publication number
CN107300579A
CN107300579A CN201710672470.6A CN201710672470A CN107300579A CN 107300579 A CN107300579 A CN 107300579A CN 201710672470 A CN201710672470 A CN 201710672470A CN 107300579 A CN107300579 A CN 107300579A
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CN
China
Prior art keywords
carbon monoxide
substrate
inductive
doped graphene
graphene
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CN201710672470.6A
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Chinese (zh)
Inventor
周炳明
刘睿
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Guangdong Eda Technology Co ltd
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Zhaoqing Hi Tech Zone Changguang Intelligent Technology Development Co ltd
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Priority to CN201710672470.6A priority Critical patent/CN107300579A/en
Publication of CN107300579A publication Critical patent/CN107300579A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12Investigating 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
    • G01N27/125Composition of the body, e.g. the composition of its sensitive layer

Abstract

The invention discloses a kind of Carbon Monoxide Detection device for family simple in construction, it is related to an Indoor Air detecting system technical field.It is characterized in that including carbon monoxide inductive reactance, conventional resistive, variable resistor, siren, heating plate, control circuit, power supply, switch, shell.The carbon monoxide inductive reactance includes substrate and is respectively formed in two inductive layers of two opposite flanks of substrate, and the material of the substrate is graphite oxide, and the material of the inductive layer is doped graphene, and the doped graphene is boron doped graphene.The present invention be can reach from anywhere in room, and air can be detected by installing Carbon Monoxide Detection device, so as to prevent the danger brought because carbon monoxide is exceeded.

Description

A kind of domestic carbon monoxide detection means
Technical field
The present invention relates to a kind of gas-detecting device, more particularly to a kind of home-use Carbon Monoxide Detection device.
Background technology
Carbon monoxide is when content concn reaches 0.01% in atmosphere, if people's life for a long time or worked, it may occur that in chronic Poison, when content is up to 0.048%, just may occur in which slight poisoning in 1 hour, when reaching 0.4%, can causing death, during up to 4.1%, breathe it is several Mouthful just lose consciousness, during up to 12.5 ~ 75%, with explosivity, being had a bath, cooked with natural gas with water heater in family etc., have can Carbon monoxide can be produced, so the carbon monoxide content in monitoring of environmental has very important meaning, can be on bathroom, kitchen and other places It is equipped with Carbon Monoxide Detection device.The sensitive material that conventional detection means is relied at present mainly has metal-oxide semiconductor (MOS), Such as SnO2, TiO2, electrochemical electrode catalysis etc., this kind of sensor construction is complicated.
The content of the invention
Based on this, it is necessary to provide a kind of Carbon Monoxide Detection device for family simple in construction.
A kind of Carbon Monoxide Detection device, it is characterised in that including carbon monoxide inductive reactance, conventional resistive, siren, Heating plate, control circuit, power supply, switch, shell.
Further, the carbon monoxide inductive reactance includes substrate and is respectively formed in described two opposite flanks of substrate Two inductive layers, the substrate include insulating trip and the metal tabs in insulating trip both sides.
Further, the alarm includes one kind in warning lamp, buzzer or its combination.
Further, the alarm may be mounted on crust of the device, can also extend to crust of the device by electric wire Optional position in addition, to monitor.
Further, the heating plate includes one kind in electrothermal ceramic plate, heating wire, is mainly used in toasting induced electricity Resistance, so that resistance is in dry environment.
Further, the temperature range of the heating plate is 50 ~ 80 degrees Celsius.
Further, the power supply is one kind in dc source or AC power.
Further, the mass percent of boron is 0.5% ~ 8% in the boron doped graphene.
Further, the thickness of the inductive layer is 1 μm ~ 5 μm.
The preparation method of the carbon monoxide inductive reactance, comprises the following steps:
Graphite oxide, dopant material are added to the water, suspension of the ultrasonic disperse formation containing graphene oxide and dopant material, Wherein, the dopant material selection boric acid;
The suspension containing graphene oxide and dopant material is dried at 80 DEG C ~ 100 DEG C, obtains being loaded with described mix The graphene oxide of miscellaneous material;
The graphene oxide for being loaded with the dopant material is placed on following environment:Being passed through protective gas, temperature is 400 DEG C ~ 550 DEG C, radio-frequency power be 0.1 ~ 10W, be incubated 20min ~ 60min, be then turned off radio frequency, and with 2 ~ 10 DEG C/s cooling Speed is cooled to less than 50 DEG C, obtains doped graphene, and the doped graphene is boron doped graphene;
The doped graphene and graphene oxide are mixed into slurry;
The slurry coating is formed into inductive layer in two relative sides of substrate, wherein, the material of the substrate is metal Conductive material, in one of the embodiments, the mass ratio of the graphene oxide and the dopant material is 10:1~40:1.
In one of the embodiments, the thickness of the inductive layer slurry is 1 μm ~ 5 μm, and substrate thickness is 1 ~ 5mm.
In one of the embodiments, concentration after doped graphene is watered described in the slurry for 0.5g/mL ~ 5.0g/mL。
Above-mentioned inductive reactance on substrate by setting inductive layer, and structure is relatively simple, is common in the material of substrate Insulating materials, the material of inductive layer is selected from boron doped graphene, and boron doped graphene is N-type graphene, N-type graphene and oxidation After graphene mixing, the hole concentration of different depth is different, can cause the change of electrical conductivity after doped graphene sorbing carbon monoxide Change, and the sensitivity of inductive reactance is higher;The preparation method of above-mentioned inductive reactance is relatively simple;Above-mentioned inductive reactance passes through test The carbon monoxide of certain concentration can be detected afterwards.
The beneficial effects of the invention are as follows the carbon monoxide that device can be used for detection certain content, inductive reactance preparation technology letter Single, testing result is accurate, and raw material is easy to get, and apparatus structure simple and stable, holistic cost is low, easy to manufacture, is conducive to marketing.
Brief description of the drawings
Fig. 1 is the structural representation of the detection means of an embodiment.
Fig. 2 is the electric operation control circuit figure of an embodiment.
Fig. 3 is the schematic diagram of inductive reactance substrate in an embodiment.
Fig. 4 is the schematic diagram of inductive reactance in an embodiment.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention Embodiment be described in detail.Many details are elaborated in the following description to fully understand this hair It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not Similar improvement is done in the case of running counter to intension of the present invention, therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in figure 1, structure of the detecting device schematic diagram can see hole 110 on shell 100 and shell, switch 120 And warning lamp 130, Fig. 2 illustrates inductive reactance Rco, conventional resistive R1, R2, R3, R4, R5, power supply E, heating plate H, police Show that lamp L and switch K, Fig. 3 show the inductive reactance substrate comprising both sides lug and insulating trip, Fig. 4 is applied on substrate The cloth inductive reactance of inductive layer slurry, including inductive layer 200, its upper strata are the first inductive layer, and lower floor is the second inductive layer, absolutely Embolium 210 and lug 220.
The size of insulating trip 210 is 30mm*10mm*3mm in present embodiment.It should be noted that the chi of insulating trip 210 Very little can also be other numerical value.
Inductive layer 200 is respectively formed in two relative sides of insulating trip 210.In present embodiment, inductive layer 200 Thickness is 1 μm ~ 5 μm.
A kind of Carbon Monoxide Detection device, it is characterised in that including carbon monoxide inductive reactance Rco, conventional resistive R1, R2, R3, R4, R5, siren L, heating plate H, control circuit, power supply E, switch K, shell 110.
Further, the carbon monoxide inductive reactance includes substrate and is respectively formed in described two opposite flanks of substrate Two inductive layers, the substrate include insulating trip 210 and the metal tabs 220 in insulating trip both sides.
Further, the alarm includes one kind in warning lamp, buzzer or its combination.
Further, the alarm may be mounted on crust of the device, can also extend to crust of the device by electric wire Optional position in addition, to monitor.
Further, the heating plate includes one kind in electrothermal ceramic plate, heating wire, is mainly used in toasting induced electricity Resistance, so that resistance is in dry environment.
Further, the temperature range of the heating plate is 50 ~ 80 degrees Celsius.
Further, the power supply is one kind in dc source or AC power.
In one of the embodiments, the mass percent of boron is 0.5% ~ 8% in the boron doped graphene.
In one of the embodiments, the thickness of the inductive layer is 1 μm ~ 5 μm.
A kind of preparation method of carbon monoxide inductive reactance, comprises the following steps:
Graphite oxide, dopant material are added to the water, suspension of the ultrasonic disperse formation containing graphene oxide and dopant material, Wherein, the dopant material selection boric acid;
The suspension containing graphene oxide and dopant material is dried at 80 DEG C ~ 100 DEG C, obtains being loaded with described mix The graphene oxide of miscellaneous material;
The graphene oxide for being loaded with the dopant material is placed on following environment:Being passed through protective gas, temperature is 400 DEG C ~ 550 DEG C, radio-frequency power be 0.1 ~ 10W, be incubated 20min ~ 60min, be then turned off radio frequency, and with 2 ~ 10 DEG C/s cooling Speed is cooled to less than 50 DEG C, obtains doped graphene, and the doped graphene is boron doped graphene;
The doped graphene and graphene oxide are mixed into slurry;
The slurry coating is formed into inductive layer in two relative sides of substrate, wherein, the material of the substrate is metal Conductive material, in one of the embodiments, the mass ratio of the graphene oxide and the dopant material is 10:1~40:1.
In one of the embodiments, the thickness of the inductive layer slurry is 1 μm ~ 5 μm, and substrate thickness is 1 ~ 5mm.
In one of the embodiments, concentration after doped graphene is watered described in the slurry for 0.5g/mL ~ 5.0g/mL。
Above-mentioned inductive reactance on substrate by setting inductive layer, and structure is relatively simple, is common in the material of substrate Insulating materials, the material of inductive layer is selected from boron doped graphene, and boron doped graphene is N-type graphene, N-type graphene and oxidation After graphene mixing, the hole concentration of different depth is different, can cause the change of electrical conductivity after doped graphene sorbing carbon monoxide Change, and the sensitivity of inductive reactance is higher;The preparation method of above-mentioned inductive reactance is relatively simple;Above-mentioned inductive reactance passes through test The carbon monoxide of certain concentration can be detected afterwards.
Further illustrated below in conjunction with specific embodiment.
Embodiment 1
As shown in figure 1, Carbon Monoxide Detection apparatus structure schematic diagram can see hole 110 on shell 100 and shell, switch 120 and warning lamp 130, its internal control circuit figure is as shown in Fig. 2 include carbon monoxide inductive reactance Rco, conventional resistive R1, R2, R3, R4, R5, power supply E, heating plate H, warning lamp L and switch K.
It is preferred that, the carbon monoxide inductive reactance includes substrate and is respectively formed in described two opposite flanks of substrate Two inductive layers, the substrate includes insulating trip 210 and the metal tabs 220 in insulating trip both sides.Wherein insulating trip 210 Size is 30mm*10mm*3mm, and lug 220 is size 3mm*3mm*1mm copper sheet, and the thickness of inductive layer 200 is 3 μm.
It is preferred that, the alarm is warning lamp, and warning lamp is arranged on crust of the device.
It is preferred that, the heating plate is electrothermal ceramic plate, is mainly used in toasting inductive reactance, so that resistance, which is in, dries ring Border.
It is preferred that, the temperature range of the heating plate is 60 degrees Celsius.
It is preferred that, the power supply is dc source.
It is preferred that, the mass percent of boron is 2% in the boron doped graphene.
It is preferred that, the thickness of the inductive layer is 3 μm.
The preparation method of the carbon monoxide inductive reactance, comprises the following steps:
Graphite oxide, dopant material are added to the water, suspension of the ultrasonic disperse formation containing graphene oxide and dopant material, Wherein, the dopant material selection boric acid;
The suspension containing graphene oxide and dopant material is dried at 80 DEG C, obtains being loaded with the dopant material Graphene oxide;
The graphene oxide for being loaded with the dopant material is placed on following environment:Be passed through nitrogen, temperature for 450 DEG C, Radio-frequency power is 5W, and radio frequency is closed after insulation 60min, and is cooled to 30 DEG C with 5 DEG C/s cooling velocity, obtains doped graphite Alkene, the doped graphene is boron doped graphene;
The doped graphene and graphene oxide are mixed into slurry;
The slurry coating is formed into inductive layer in two relative sides of substrate, wherein, the material of the substrate is insulation The mass ratio of material, the graphene oxide and the dopant material is 25:1.
The thickness of the inductive layer slurry is 3 μm, and substrate thickness is 3mm.
Concentration after doped graphene is watered described in the slurry is 2.0g/mL.
The carbon monoxide inductive reactance according to said method prepared can be used for the carbon monoxide that test concentrations are 0.048%, now Rco resistance is the Ω of 18.580k Ω, R1=R2=R3=Rco=18.580k Ω, R4=200k Ω, R5=500, and power supply E is 9V, When Rco adsorb air in concentration be 0.048% carbon monoxide when, bridge circuit start it is unbalance, warning lamp have battery by and by Light, that is, warn now carbonomonoxide concentration be 0.048%.
It is an advantage of the invention that device can be used for the carbon monoxide of detection certain content, inductive reactance preparation technology is simple, Testing result is accurate, and raw material is easy to get, and apparatus structure simple and stable, holistic cost is low, easy to manufacture, is conducive to marketing.
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (8)

1. a kind of Carbon Monoxide Detection device, it is characterised in that including carbon monoxide inductive reactance, conventional resistive, siren plus Backing, control circuit, power supply, switch, shell.
2. Carbon Monoxide Detection device according to claim 1, it is characterised in that the carbon monoxide inductive reactance includes Substrate and two inductive layers for being respectively formed in two opposite flanks of substrate, the substrate include insulating trip and in insulation The metal tabs of piece both sides, the material of the substrate is graphite oxide, and the material of the inductive layer is doped graphene, described to mix Miscellaneous graphene is boron doped graphene, and the alarm includes one kind or its combination, the alarm in warning lamp, buzzer It may be mounted on crust of the device, the optional position that can also be extended to by electric wire beyond crust of the device is described to monitor Heating plate includes one kind in electrothermal ceramic plate, heating wire, is mainly used in toasting inductive reactance, so that resistance, which is in, dries ring Border, the temperature range of the heating plate is 50 ~ 80 degrees Celsius, and the power supply is one in dc source or AC power Kind.
3. Carbon Monoxide Detection device according to claim 1, it is characterised in that the matter of boron in the boron doped graphene It is 0.5% ~ 8% to measure percentage.
4. Carbon Monoxide Detection device according to claim 1, it is characterised in that the thickness of the inductive layer is 1 μm ~ 5 μ m。
5. the preparation method of carbon monoxide inductive reactance according to claim 1, it is characterised in that comprise the following steps:
Graphite oxide, dopant material are added to the water, suspension of the ultrasonic disperse formation containing graphene oxide and dopant material, Wherein, the dopant material selection boric acid;
The suspension containing graphene oxide and dopant material is dried at 80 DEG C ~ 100 DEG C, obtains being loaded with described mix The graphene oxide of miscellaneous material;
The graphene oxide for being loaded with the dopant material is placed on following environment:Being passed through protective gas, temperature is 400 DEG C ~ 550 DEG C, radio-frequency power be 0.1 ~ 10W, be incubated 20min ~ 60min, be then turned off radio frequency, and with 2 ~ 10 DEG C/s cooling Speed is cooled to less than 50 DEG C, obtains doped graphene, and the doped graphene is boron doped graphene;
The doped graphene and graphene oxide are mixed into slurry;
The slurry coating is formed into inductive layer in two relative sides of substrate, wherein, the material of the substrate is metal The mass ratio of conductive material, the graphene oxide and the dopant material is 10:1~40:1.
6. the preparation method of the carbon monoxide inductive reactance according to claim 1 and 5, it is characterised in that the inductive layer The thickness of slurry is 1 μm ~ 5 μm.
7. the preparation method of the carbon monoxide inductive reactance according to claim 1 and 5, it is characterised in that substrate thickness is 1 ~5mm。
8. the preparation method of the carbon monoxide inductive reactance according to claim 1 and 5, it is characterised in that state institute in slurry The concentration after doped graphene is watered is stated for 0.5g/mL ~ 5.0g/mL.
CN201710672470.6A 2017-08-08 2017-08-08 A kind of domestic carbon monoxide detection means Pending CN107300579A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103512925A (en) * 2012-06-26 2014-01-15 海洋王照明科技股份有限公司 Induction resistor, manufacturing method thereof and sensor
CN103771398A (en) * 2012-10-25 2014-05-07 海洋王照明科技股份有限公司 Boron-doped graphene, and preparation method and application thereof
CN103896258A (en) * 2012-12-26 2014-07-02 海洋王照明科技股份有限公司 Preparation method for boron-doped graphene
CN207798731U (en) * 2017-08-08 2018-08-31 肇庆高新区长光智能技术开发有限公司 A kind of domestic carbon monoxide detection device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103512925A (en) * 2012-06-26 2014-01-15 海洋王照明科技股份有限公司 Induction resistor, manufacturing method thereof and sensor
CN103771398A (en) * 2012-10-25 2014-05-07 海洋王照明科技股份有限公司 Boron-doped graphene, and preparation method and application thereof
CN103896258A (en) * 2012-12-26 2014-07-02 海洋王照明科技股份有限公司 Preparation method for boron-doped graphene
CN207798731U (en) * 2017-08-08 2018-08-31 肇庆高新区长光智能技术开发有限公司 A kind of domestic carbon monoxide detection device

Non-Patent Citations (1)

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Title
刘晓娟: "一氧化碳—缺陷石墨烯吸附性能研究", 中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑, no. 6, pages 3 *

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