CN107340321B - A kind of vehicle-mounted gas detection device - Google Patents
A kind of vehicle-mounted gas detection device Download PDFInfo
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- CN107340321B CN107340321B CN201710634369.1A CN201710634369A CN107340321B CN 107340321 B CN107340321 B CN 107340321B CN 201710634369 A CN201710634369 A CN 201710634369A CN 107340321 B CN107340321 B CN 107340321B
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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
- G01N27/125—Composition of the body, e.g. the composition of its sensitive layer
- G01N27/127—Composition of the body, e.g. the composition of its sensitive layer comprising nanoparticles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
- B60R25/01—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens
- B60R25/08—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles operating on vehicle systems or fittings, e.g. on doors, seats or windscreens operating on brakes or brake systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The present invention relates to a kind of vehicle-mounted gas detection devices, the vehicle-mounted gas detection device includes shell, ventilation hole is surrounded by shell, it is equipped with alcohol gas sensor, microprocessor, motor braking circuit and alarm module inside housings, the alcohol gas sensor is connected to the input terminal of microprocessor, the output end of the microprocessor is separately connected motor braking circuit and alarm module, and motor braking circuit is connected to Vehicle Controller by wireless communication apparatus；The alcohol gas sensor, the alumina ceramic tubes of 2 parallel and discrete annular gold electrodes, the sensitive material coated in ceramic pipe surface are come with by outer surface, formed across the nichrome heating coil of ceramic tube, two platinum filament pins are connected on each gold electrode；The sensitive material is the ZnO composite nano fiber of method of electrostatic spinning preparation, which is specially ZnO microsphere doping metals nano wire and Al.
Description
Technical field
The present invention relates to car kits technical field more particularly to a kind of vehicle-mounted gas detection devices.
Background technique
In recent years, with the decline of air quality, people's environmental consciousness is gradually increased, and has to the harmfulness of pernicious gas
More understandings.The increase of car ownership, environment inside car problem also become emphasis concerned by people.Automobile is in driving process
In, tail gas can discharge a large amount of toxic and harmful gas, they can enter the car of relative closure from number of ways and pollute vehicle
Interior environment.Interior narrow space, people stop for a long time, inevitably result in various diseases and generate.While vehicle is in the sun
After being exposed to the sun, a large amount of noxious materials of the volatilizations such as vehicle seat, such as benzene, formaldehyde, dimethylbenzene, also threaten the health of people.Drunk driving is
The problem of remaining incessant after repeated prohibition in recent years, it is annual that a large amount of automobile safety accident can still occur.
The detection process of in-car air quality detection device is more complicated at this stage, needs manual operations mostly, can not be certainly
It is dynamic to be detected.Also, common detection device can only detect the exceeded situation of single gas, can not be to interior overall air matter
Amount makes overall merit
Summary of the invention
The present invention is intended to provide a kind of vehicle-mounted gas detection device, set forth above to solve the problems, such as.
Technical solution of the present invention provides a kind of vehicle-mounted gas detection device, which includes shell
Body is surrounded by ventilation hole in shell, inside housings be equipped with alcohol gas sensor, microprocessor, motor braking circuit and
Alarm module, the alcohol gas sensor are connected to the input terminal of microprocessor, and the output end of the microprocessor is separately connected vapour
Vehicle braking circuit and alarm module, motor braking circuit are connected to Vehicle Controller by wireless communication apparatus；The ethyl alcohol
Gas sensor comes with the alumina ceramic tube of 2 parallel and discrete annular gold electrodes by outer surface, is coated in ceramic tube
The sensitive material on surface is formed across the nichrome heating coil of ceramic tube, and being connected with two platinum filaments on each gold electrode draws
Foot；The sensitive material is the ZnO composite nano fiber of method of electrostatic spinning preparation, which is specially ZnO
Microballoon doping metals nano wire and Al.
The technical solution of offer of the invention can include the following benefits:
The present apparatus, which can be realized, is measured in real time interior alcohol gas, when checking that concentration of alcohol is exceeded in air,
Motor braking circuit will be started, on the one hand auto Not Permitted starting prompts people to pay attention to in-vehicle exposure, on the other hand can protect and drive
Multiply the safety and health of personnel, which is connect using wireless telecommunications with Vehicle Controller, and field wiring, structure letter are reduced
Single, easy to install and use, low in cost, performance is stablized.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.It should be understood that above general description and following detailed description are only
Be it is exemplary and explanatory, the present invention can not be limited.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention
System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings
Other attached drawings.
Fig. 1 is the systematic schematic diagram of vehicle-mounted gas detection device of the present invention.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
Technical solution of the present invention is related to a kind of vehicle-mounted gas detection device, as shown in Figure 1, the vehicle-mounted gas detection device
Including shell, it is surrounded by ventilation hole in shell, is equipped with alcohol gas sensor, microprocessor, automobile brake inside housings
Circuit and alarm module, alcohol gas sensor are connected to the input terminal of microprocessor, and the output end of microprocessor is separately connected
Motor braking circuit and alarm module, motor braking circuit are connected to Vehicle Controller, microprocessor by wireless communication apparatus
The included A/D conversion circuit in inside, is converted into digital signal for the analog signal of acquisition.
It is additionally provided with display module on the shell of vehicle-mounted gas detection device of the present invention, display module is connected to microprocessor
Output end, display portion use OLED display screen, and the voltage signal that alcohol gas sensor inputs is converted into phase by microprocessor
The gas concentration answered is transferred to display module, and display is on a display screen.
In the present invention, the alarm module includes visual alarm and/or phonetic alarm, and the visual alarm is adopted
With tri coloured lantern, the light of red, yellow, and green is issued respectively, when for green, illustrates the concentration of harmful gas in vehicle in critical field
It is interior, when for yellow, illustrate the concentration of harmful gas in vehicle reached critical field critical value need to pay attention to car divulge information,
When for red, illustrate that the concentration of harmful gas in vehicle is exceeded.
The course of work of vehicle-mounted gas detection device of the present invention is as follows: being first powered on after self-test passes through and enters normal work shape
State, alcohol gas sensor are acquired in-vehicle air with fixed frequency, and by the analog signal transmission of acquisition to micro process
Analog signal that transmission comes is converted into digital signal by device, the included A/D conversion circuit of microprocessor internal, and microprocessor is to turning
The digital signal changed into carries out being processed and converted to corresponding gas concentration value intuitively showing that detection device can over the display
The alarming value of gas concentration is arranged, when the concentration of alcohol for detecting interior driver's cabin is more than alarming value, automobile system will be started
Dynamic circuit, motor braking circuit are connected to Vehicle Controller by wireless telecommunications, on the one hand auto Not Permitted starting prompts people's note
Meaning in-vehicle exposure, on the other hand can protect the safety and health of driver and passenger, which uses wireless telecommunications and vehicle-mounted control
Device connection, reduces field wiring, and structure is simple, easy to install and use, low in cost, and performance is stablized.
In the present invention, the alcohol gas sensor be heater-type structure, by outer surface come with 2 it is parallel and discrete
The alumina ceramic tube of annular gold electrode, the sensitive material coated in ceramic pipe surface, add across the nichrome of ceramic tube
Heat coil forms, and is connected with two platinum filament pins on each gold electrode.
Preferably, the sensitive material is the ZnO composite nano fiber of method of electrostatic spinning preparation, and the ZnO composite Nano is fine
Tieing up material is specially ZnO microsphere doping metals nano wire and Al.
Preferably, for the sensitive material with a thickness of 0.2~0.5mm, the ZnO composite nano fiber diameter is 300nm.
ZnO is a kind of important semiconductor material, optics, electricity, in terms of unique properties, there is buergerite
The N-shaped semiconductor material with wide forbidden band of structure, in the prior art, ZnO semiconductor material is in catalysis dye-sensitized solar cells, biography
There is practical application in the fields such as sensor.In terms of gas sensor, in prior art, usually to zno-based gas sensing
The research of device mainly takes the modes such as nanostructure control, doping, compound to improve performance；And oxygen is prepared using method of electrostatic spinning
It is few as the technical solution of sensitive material to change zinc composite fibre；In the present invention, about the sensitive material of sensor, using electrostatic
Spin processes are prepared for the composite nano fiber based on ZnO, the big specific surface area and microcellular structure based on composite nano fiber, should
Sensitive material greatly increases the response sensitivity of gas.
It is further preferred that the mass content of Al is 5~7% in the ZnO composite nano fiber.
In sensitive material of the present invention, by ZnO in conjunction with Al, by doping, in Al ionic compartmentation ZnO crystal
The position of Zn ion produce a certain amount of free electron as compensation, so that the holoe carrier for reducing material is dense
Degree, in addition, the introducing of Al ion is able to suppress the growth of ZnO microsphere, significantly reduces its Microsphere Size；Meanwhile Al ion
Doping changes the distribution of oxygen component in material, so that the quantity of defect oxygen and chemical absorption of surface oxygen has obtained greatly in material
Increase, the sensitivity of sensor greatly improved in above-mentioned aspect collective effect.
It is further preferred that the metal nanometer line is preferably Ag nano wire, the Ag in the ZnO composite nano fiber
The mass content of nano wire is 6~9%, and the Ag nanowire length is 300nm, diameter 60nm.
In sensitive material of the present invention, by ZnO in conjunction with Ag nano wire, by the Ag nano wire of doping, so that
The Ag nano wire is parallel between each other, which can provide conductive path for sensitive material, while improve sensitive material
The intensity and toughness of material；This in prior art, usually improved by doping particle etc. gas sensitive electric conductivity,
Catalytic is different, and technical solution of the present invention has realistic meaning.
In addition, the preparation step of above-mentioned sensitive material:
Step 1, it takes 9mmol urea and 6mmol zinc acetate to be dissolved in the deionized water of 40ml, stirs evenly；Then to
Al (NO is added in above-mentioned solution3)2·9H2O is stirred evenly；Ag nano wire is added into above-mentioned solution again, it after mixing evenly, will
Solution is transferred in water heating kettle, and the hydro-thermal reaction 20h at 130 DEG C of constant temperature, after reaction, cooled to room temperature is successively used
Gained is precipitated drying after washing repeatedly three times by alcohol and deionized water centrifuge separation, washing；
Step 2, it takes 0.7g polyvinyl alcohol to be put into the conical flask equipped with 12g distilled water, is stirred continuously at 90 DEG C of heat preservation,
It is allowed to be completely dissolved, cooled to room temperature；Then above-mentioned precipitating is taken, continues to stir 6h, obtains mixed solution A；It then will be upper
It states mixed solution A to be fitted into spinneret pipe, is inserted into the copper wire of a 10cm as anode, aluminium foil is cathode, electrostatic as receiver board
Institute's making alive is 15kV when spinning, and distance is 20cm between spinning head fish receiver board, carries out electrostatic spinning, obtain polyvinyl alcohol/
ZnO/Ag/Al composite nano fiber；
Step 3, above-mentioned polyvinyl alcohol/ZnO/Ag/Al composite nano fiber is made annealing treatment into 5h at 550 DEG C, with removal
High-molecular polyivnyl alcohol obtains ZnO composite nano fiber.
Further, after above-mentioned ZnO composite nano fiber being configured to slurry, it is coated in ceramic pipe surface, prepares electrode
Afterwards to get alcohol gas sensor of the present invention.
Embodiment 1
In the present embodiment, the alcohol gas sensor is heater-type structure, is come with 2 in parallel by outer surface and is divided
Alumina ceramic tube, the sensitive material coated in ceramic pipe surface, the nichrome across ceramic tube of vertical annular gold electrode
Heating coil forms, and is connected with two platinum filament pins on each gold electrode；The sensitive material is the ZnO of method of electrostatic spinning preparation
Composite nano fiber, with a thickness of 0.2~0.5mm, and, which is specially that ZnO microsphere doping metals are received
Rice noodles and Al.
The preparation step of above-mentioned ZnO composite nano fiber is as follows:
Step 1, it takes 9mmol urea and 6mmol zinc acetate to be dissolved in the deionized water of 40ml, stirs evenly；Then to
Al (NO is added in above-mentioned solution3)2·9H2O is stirred evenly；Ag nano wire is added into above-mentioned solution again, it after mixing evenly, will
Solution is transferred in water heating kettle, and the hydro-thermal reaction 20h at 130 DEG C of constant temperature, after reaction, cooled to room temperature is successively used
Gained is precipitated drying after washing repeatedly three times by alcohol and deionized water centrifuge separation, washing；
Step 2, it takes 0.7g polyvinyl alcohol to be put into the conical flask equipped with 12g distilled water, is stirred continuously at 90 DEG C of heat preservation,
It is allowed to be completely dissolved, cooled to room temperature；Then above-mentioned precipitating is taken, continues to stir 6h, obtains mixed solution A；It then will be upper
It states mixed solution A to be fitted into spinneret pipe, is inserted into the copper wire of a 10cm as anode, aluminium foil is cathode, electrostatic as receiver board
Institute's making alive is 15kV when spinning, and distance is 20cm between spinning head fish receiver board, carries out electrostatic spinning, obtain polyvinyl alcohol/
ZnO/Ag/Al composite nano fiber；
Step 3, above-mentioned polyvinyl alcohol/ZnO/Ag/Al composite nano fiber is made annealing treatment into 5h at 550 DEG C, with removal
High-molecular polyivnyl alcohol obtains ZnO composite nano fiber.
In the present embodiment, the mass content of metal nanometer line is 6% in the ZnO composite nano fiber, and the ZnO is compound
The mass content of Al is 5% in nanofiber.
The electric current of heating coil is flowed through to regulate and control the operating temperature of sensor by change, is in not by measurement sensor
Resistance value when in gas between two gold electrodes can obtain the sensitivity of sensor.Spirit of the sensor for alcohol gas
Sensitivity S is defined as: S=Rg/Ra, wherein Rg and Ra be respectively sensor in alcohol gas and air when two gold electrodes between electricity
Resistance value, it is found that the sensitivity of the sensor is 8.4 in the present embodiment.
Embodiment 2
In the present embodiment, the alcohol gas sensor is heater-type structure, is come with 2 in parallel by outer surface and is divided
Alumina ceramic tube, the sensitive material coated in ceramic pipe surface, the nichrome across ceramic tube of vertical annular gold electrode
Heating coil forms, and is connected with two platinum filament pins on each gold electrode；The sensitive material is the ZnO of method of electrostatic spinning preparation
Composite nano fiber, with a thickness of 0.2~0.5mm, and, which is specially that ZnO microsphere doping metals are received
Rice noodles and Al.
The preparation step of above-mentioned ZnO composite nano fiber is as follows:
Step 1, it takes 9mmol urea and 6mmol zinc acetate to be dissolved in the deionized water of 40ml, stirs evenly；Then to
Al (NO is added in above-mentioned solution3)2·9H2O is stirred evenly；Ag nano wire is added into above-mentioned solution again, it after mixing evenly, will
Solution is transferred in water heating kettle, and the hydro-thermal reaction 20h at 130 DEG C of constant temperature, after reaction, cooled to room temperature is successively used
Gained is precipitated drying after washing repeatedly three times by alcohol and deionized water centrifuge separation, washing；
Step 2, it takes 0.7g polyvinyl alcohol to be put into the conical flask equipped with 12g distilled water, is stirred continuously at 90 DEG C of heat preservation,
It is allowed to be completely dissolved, cooled to room temperature；Then above-mentioned precipitating is taken, continues to stir 6h, obtains mixed solution A；It then will be upper
It states mixed solution A to be fitted into spinneret pipe, is inserted into the copper wire of a 10cm as anode, aluminium foil is cathode, electrostatic as receiver board
Institute's making alive is 15kV when spinning, and distance is 20cm between spinning head fish receiver board, carries out electrostatic spinning, obtain polyvinyl alcohol/
ZnO/Ag/Al composite nano fiber；
Step 3, above-mentioned polyvinyl alcohol/ZnO/Ag/Al composite nano fiber is made annealing treatment into 5h at 550 DEG C, with removal
High-molecular polyivnyl alcohol obtains ZnO composite nano fiber.
In the present embodiment, the mass content of metal nanometer line is 8% in the ZnO composite nano fiber, and the ZnO is compound
The mass content of Al is 6% in nanofiber.
The electric current of heating coil is flowed through to regulate and control the operating temperature of sensor by change, is in not by measurement sensor
Resistance value when in gas between two gold electrodes can obtain the sensitivity of sensor.Spirit of the sensor for alcohol gas
Sensitivity S is defined as: S=Rg/Ra, wherein Rg and Ra be respectively sensor in alcohol gas and air when two gold electrodes between electricity
Resistance value, it is found that the sensitivity of the sensor is 17.2 in the present embodiment.
Embodiment 3
In the present embodiment, the alcohol gas sensor is heater-type structure, is come with 2 in parallel by outer surface and is divided
Alumina ceramic tube, the sensitive material coated in ceramic pipe surface, the nichrome across ceramic tube of vertical annular gold electrode
Heating coil forms, and is connected with two platinum filament pins on each gold electrode；The sensitive material is the ZnO of method of electrostatic spinning preparation
Composite nano fiber, with a thickness of 0.2~0.5mm, and, which is specially that ZnO microsphere doping metals are received
Rice noodles and Al.
The preparation step of above-mentioned ZnO composite nano fiber is as follows:
Step 1, it takes 9mmol urea and 6mmol zinc acetate to be dissolved in the deionized water of 40ml, stirs evenly；Then to
Al (NO is added in above-mentioned solution3)2·9H2O is stirred evenly；Ag nano wire is added into above-mentioned solution again, it after mixing evenly, will
Solution is transferred in water heating kettle, and the hydro-thermal reaction 20h at 130 DEG C of constant temperature, after reaction, cooled to room temperature is successively used
Gained is precipitated drying after washing repeatedly three times by alcohol and deionized water centrifuge separation, washing；
Step 2, it takes 0.7g polyvinyl alcohol to be put into the conical flask equipped with 12g distilled water, is stirred continuously at 90 DEG C of heat preservation,
It is allowed to be completely dissolved, cooled to room temperature；Then above-mentioned precipitating is taken, continues to stir 6h, obtains mixed solution A；It then will be upper
It states mixed solution A to be fitted into spinneret pipe, is inserted into the copper wire of a 10cm as anode, aluminium foil is cathode, electrostatic as receiver board
Institute's making alive is 15kV when spinning, and distance is 20cm between spinning head fish receiver board, carries out electrostatic spinning, obtain polyvinyl alcohol/
ZnO/Ag/Al composite nano fiber；
Step 3, above-mentioned polyvinyl alcohol/ZnO/Ag/Al composite nano fiber is made annealing treatment into 5h at 550 DEG C, with removal
High-molecular polyivnyl alcohol obtains ZnO composite nano fiber.
In the present embodiment, the mass content of metal nanometer line is 9% in the ZnO composite nano fiber, and the ZnO is compound
The mass content of Al is 7% in nanofiber.
The electric current of heating coil is flowed through to regulate and control the operating temperature of sensor by change, is in not by measurement sensor
Resistance value when in gas between two gold electrodes can obtain the sensitivity of sensor.Spirit of the sensor for alcohol gas
Sensitivity S is defined as: S=Rg/Ra, wherein Rg and Ra be respectively sensor in alcohol gas and air when two gold electrodes between electricity
Resistance value, it is found that the sensitivity of the sensor is 15.6 in the present embodiment.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of vehicle-mounted gas detection device, which includes shell, is surrounded by ventilation hole in shell,
It is characterized in that, is equipped with alcohol gas sensor, microprocessor, motor braking circuit and alarm module, the ethyl alcohol inside housings
Gas sensor is connected to the input terminal of microprocessor, and the output end of the microprocessor is separately connected motor braking circuit and alarm
Module, motor braking circuit are connected to Vehicle Controller by wireless communication apparatus；The alcohol gas sensor, by appearance
Face comes with the alumina ceramic tube of 2 parallel and discrete annular gold electrodes, the sensitive material coated in ceramic pipe surface, wears
The nichrome heating coil composition of ceramic tube is crossed, is connected with two platinum filament pins on each gold electrode；The sensitive material is quiet
The ZnO composite nano fiber of electrical spinning method preparation, which is specially ZnO microsphere doping metals nanometer
Line and Al；The preparation step of the sensitive material:
Step 1, it takes 9mmol urea and 6mmol zinc acetate to be dissolved in the deionized water of 40ml, stirs evenly；It states then up
Al (NO is added in solution3)2·9H2O is stirred evenly；Ag nano wire is added into above-mentioned solution again, after mixing evenly, by solution
It is transferred in water heating kettle, the hydro-thermal reaction 20h at 130 DEG C of constant temperature, after reaction, cooled to room temperature successively uses alcohol
Gained is precipitated into drying after washing repeatedly three times with deionized water centrifuge separation, washing；
Step 2, it takes 0.7g polyvinyl alcohol to be put into the conical flask equipped with 12g distilled water, is stirred continuously, is allowed at 90 DEG C of heat preservation
It is completely dissolved, cooled to room temperature；Then above-mentioned precipitating is taken, continues to stir 6h, obtains mixed solution A；It then will be above-mentioned mixed
It closes solution A to be fitted into spinneret pipe, is inserted into the copper wire of a 10cm as anode, aluminium foil is cathode, electrostatic spinning as receiver board
When institute's making alive is 15kV, and distance is 20cm between spinning head and receiver board, carries out electrostatic spinning, obtains polyvinyl alcohol/ZnO/
Ag/Al composite nano fiber；
Step 3, above-mentioned polyvinyl alcohol/ZnO/Ag/Al composite nano fiber is made annealing treatment into 5h at 550 DEG C, to remove high score
Sub- polyvinyl alcohol obtains ZnO composite nano fiber.
2. a kind of vehicle-mounted gas detection device according to claim 1, which is characterized in that the sensitive material with a thickness of
0.2~0.5mm, the ZnO composite nano fiber diameter are 300nm.
3. a kind of vehicle-mounted gas detection device according to claim 1 or 2, which is characterized in that the ZnO composite Nano is fine
The mass content of Al is 5~7% in dimension.
4. a kind of vehicle-mounted gas detection device according to claim 1 or 2, which is characterized in that the ZnO composite Nano is fine
In dimension, which is Ag nano wire, and the mass content of the Ag nano wire is 6~9%, and the Ag nanowire length is
300nm, diameter 60nm.
5. a kind of vehicle-mounted gas detection device according to claim 1, which is characterized in that the vehicle-mounted gas detection device
Display module is additionally provided on shell, display module is connected to the output end of microprocessor.
6. a kind of vehicle-mounted gas detection device according to claim 1, which is characterized in that the alarm module is light
Alarm and/or phonetic alarm.
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| KR20120100536A (en) * | 2011-03-04 | 2012-09-12 | 한국과학기술연구원 | Gas sensor having ag-doped zno nanowire and method of manufacturing the same |
| CN203020082U (en) * | 2012-08-31 | 2013-06-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Vehicle-mounted alcohol monitoring device |
| CN103364453B (en) * | 2013-06-28 | 2016-05-25 | 上海纳米技术及应用国家工程研究中心有限公司 | Tin oxide-zinc oxide compound hollow microballoon gas-sensitive sensor device and preparation method |
| CN104698041B (en) * | 2013-12-06 | 2017-10-31 | 纳米新能源生命科技（唐山）有限责任公司 | Ethanol sensor based on nano structure of zinc oxide and preparation method thereof |
| CN105911111A (en) * | 2016-04-15 | 2016-08-31 | 吉林大学 | Preparation and application of In-Sn composite oxide semiconductor ethanol sensor |
| CN205706182U (en) * | 2016-06-29 | 2016-11-23 | 戴欣 | A kind of vehicle-mounted gas detection device |
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