CN107153040A - The tidal air volatile organic compound detection device and its detection method of replaceable carrier - Google Patents
The tidal air volatile organic compound detection device and its detection method of replaceable carrier Download PDFInfo
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- CN107153040A CN107153040A CN201710497119.8A CN201710497119A CN107153040A CN 107153040 A CN107153040 A CN 107153040A CN 201710497119 A CN201710497119 A CN 201710497119A CN 107153040 A CN107153040 A CN 107153040A
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- gas
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- volatile organic
- tidal air
- organic compound
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to tidal air component detection apparatus technical field, the tidal air volatile organic compound detection device and its detection method of specifically a kind of replaceable carrier, including source of the gas, syringe, plasma generator, flow passage chamber, air valve, straight line stepping module.Source of the gas as carrier gas supply, syringe is used to export the tidal air sample in swatch pouches, the gas of plasma generator output simultaneously produces plasma gas, some runners and carrier type sensor are provided with flow passage chamber, Air Valve Control gas enters different runners, and optical signal is collected by straight line stepping module one by one by mobile photon collection unit, photon collection unit collects the optical signal that gas sensor is sent, and is translated into data-signal.The present invention reduces operation complexity, improves accuracy of detection, it is ensured that data redundancy so that the device can be applied to the quick analysis to tidal air composition, reach the purpose of assisted diagnosis by the way that the detection of tidal air volatile organic matter is carried out into automation realization.
Description
[technical field]
The present invention relates to tidal air component detection apparatus technical field, the tidal air of specifically a kind of replaceable carrier volatilizees
Property organic matter detection means and its detection method.
[background technology]
In recent years, the morbidity number of China's cancer increased into blowout.In the middle and advanced stage of cancer, except a small number of cancers such as breast cancer
Disease, remaining cancer is difficult to be cured, so the early detection of cancer becomes the emphasis of anti-curing cancers.Found in China various regions
/ 10th of early-stage cancer deficiency cancer sum, mainly without suitable detection methods, only for some specific cancers
Special inspection.Especially when autologous asymptomatic, the means such as traditional B ultrasound, CT, nuclear magnetic resonance and biopsy, due to its own
Deficiency cause to be difficult to popularize, be badly in need of a kind of accurate and effective method.
It is well known that lipid peroxide (LPO) is the product that oxygen radical reacts with polyunsaturated fatty acids.Normal
In the case of, LPO content is extremely low, but in pathological conditions, peroxidatic reaction of lipid enhancing can cause LPO to raise.LPO productions
Volatile organic matter (VOCs) changes the VOCs compositions of human body respiration gas, and different cancers has different VOCs compositions, but
Its concentration is even below nanomole level, it is difficult to analyze specific composition.Utilize the sensor array based on photoimaging principle
Technology, is identified analysis to the characteristic collection of illustrative plates of sample responses according to multiple sensors, can carry out cancer diagnosis.
But the system and method for tidal air volatile organic matter detection is currently based on, most applying electronic noses combine organic
The mass spectrometric form of thing.System above and method have that automaticity is low, detection time is long, cause complex operation, unsuitable big
The problems such as amount is used, data redundancy is poor.So that detection is difficult to apply, popularized.
[content of the invention]
The purpose of the present invention be exactly in order to overcome drawbacks described above of the prior art there is provided a kind of structure is novel, safety can
The tidal air volatile organic compound detection device of accurately replaceable carrier is leaned on, detects, including for storing tidal air sample
Swatch pouches, it is characterised in that also include：
Source of the gas, is used as the supply of carrier gas；
Syringe, for exporting the tidal air sample in swatch pouches；
Plasma generator, receives source of the gas and the gas exported by syringe and produces plasma gas；
Flow passage chamber, interior to be provided with some runners and carrier type sensor, each runner is connected by corresponding air inlet pipe respectively
Plasma generator, described carrier type sensor is the gas sensor with several catalytic specie coating；
Air valve, is arranged in air inlet pipe and controls gas to enter different runners；
Straight line stepping module, straight line stepping module is provided with photon collection unit, and straight line stepping module passes through mobile photon
Collecting unit, the optical signal of generation is collected one by one, and photon collection unit collects the optical signal that gas sensor is sent, and
It is translated into data-signal.
Data-signal is transmitted to computer by TTL RS 232s communication interface or other modes.
Each runner in described plasma generator outlet connection total inlet pipe, flow passage chamber is connected respectively one point
Flow into tracheae, every shunting air inlet pipe and be equipped with an Air Valve Control, some tracheaes that are diverted into are connected with total inlet pipe respectively.
Described flow passage chamber is provided with the form of light-transmissive signal.
Described straight line stepping module includes straight line module, the stepper motor being arranged on straight line module and photon and adopted
Collect unit, described photon collection unit is by screw clamping on straight line module.
Described carrier type sensor has some catalyst tanks, the quantity of catalyst tank and the quantity of catalytic specie coating
Equal, catalytic specie coating is applied and is located in corresponding catalyst tank.
Catalytic specie coating on described gas sensor is 16 kinds, including：Cu2+/TiO2, Mn2+/ZrO2, Cu2+/
Al2O3, Cu2+/ MgO, Zn2+/SiO2, Zn2+/TiO2, Cu2+/ZrO2, Cu2+/ ZnO, Mn2+/ZrO2, Zn2+/ZrO2, Ni2+/ ZnO,
Ni2+/TiO2, above-mentioned slash "/" represents the mixing of two kinds of materials, and mixed proportion is selected according to actual conditions, and is not limited to institute
The material listed.
Temperature sensor, radiator valve and electric heater are provided with described carrier type sensor.Electric heater accelerates
Chemical reaction rate, reaches the effect of enhancing signal, temperature sensor collecting temperature signal, radiator valve control electric heater
Heating power, controlling reaction temperature, it is ensured that the repeatability of test data.
The detection method of the detection means is：Source of the gas inputs carrier gas, while syringe controls swatch pouches internal respiration gas sample
This sample introduction, now carrier gas is mixed with sample, forms gaseous mixture, then ionize gaseous mixture, Air Valve Control by plasma generator
The gaseous mixture of ionization enters in the different runners of flow passage chamber, and straight line stepping module moves photon collection unit to different stream
The optical signal that differential responses are produced is converted to data-signal by road, photon collection unit, and different catalytic specie coatings are for mixed
The various composition closed in gas produces different catalytic effects.
The present invention compared with the existing technology, the advantage is that：The present invention by by tidal air volatile organic matter detect into
Row automation is realized, is reduced operation complexity, is improved accuracy of detection, it is ensured that data redundancy so that the device can be answered
For the quick analysis to tidal air composition, the purpose of assisted diagnosis is reached.Meanwhile, the present invention also uses and is conveniently replaceable catalyst
The structure design of carrier, makes equipment volume smaller, and later maintenance cost is lower, and expansibility and portability are greatly enhanced.
[brief description of the drawings]
Fig. 1 is that the primary structure of replaceable carrier formula tidal air volatile organic compound detection device in the embodiment of the present invention shows
It is intended to；
Fig. 2 is the carrier type sensing of replaceable carrier formula tidal air volatile organic compound detection device in the embodiment of the present invention
Device primary structure schematic diagram；
As illustrated, in figure：1. the syringe of 4. swatch pouches of source of the gas 2. plasma generator, 3. photon collection unit 5.
6. the electric heater 92. of 7. flow passage chamber of air valve, 8. 9. carrier type sensor of straight line stepping module 91. is catalyzed the temperature of tank 93.
The radiator valve of sensor 94..
[embodiment]
The invention will be further described below in conjunction with the accompanying drawings, for the structure and principle of this device people professional to this
It is very clear.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this
Invention.
The present invention is a kind of replaceable carrier formula tidal air volatile organic compound detection device, so as to as it is a kind of quick,
Accurately, portable, inexpensive tidal air volatile organic matter detecting instrument is popularized, and is that the early stage of cancer and other diseases examines
It is disconnected that a kind of means are provided.As shown in figure 1, apparatus of the present invention mainly include the source of the gas of the supply for carrier gas；For improving gas
The plasma generator of the recognition performance of sensor；Collect light that is that gas sensor is sent and being transmitted by straight line stepping module
The photon collection unit of signal, and convert optical signal into data-signal；The swatch pouches collected for tidal air sample；For sample
The syringe of this input；Gas is controlled to enter the air valve of different runners；Gas flowing is kept in the runner of the runner of setting
Form containing light-transmissive signal on chamber, flow passage chamber；Straight line stepping module for moving photon collection unit, so that will production
Raw optical signal is collected one by one；Gas sensor with 16 kinds of different (being not limited to 16 kinds) catalytic specie coatings
Carrier type sensor, different characteristic responses are produced to tidal air.First, source of the gas 1 inputs carrier gas, and carrier gas is air, injection
Device 5 controls the sample introduction of the internal respiration gas sample sheet of swatch pouches 4, and carrier gas is mixed with sample, forms gaseous mixture.The ion of plasma generator 2
Change gaseous mixture, the gaseous mixture of the control ionization of air valve 6 enters in the different runners of flow passage chamber 7.Straight line stepping module 8 passes through screw
Method of clamping fixes photon collection unit 3, and mobile photon collection unit 3 arrives different runners, and photon collection unit 3 is by difference
The optical signal that reaction is produced is converted to data-signal.Data-signal by TTL RS 232s communication interface or other modes transmit to
Computer.
As shown in Fig. 2 electric heater 91 accelerates chemical reaction rate, the effect of enhancing signal is reached.In catalyst tank 92
There is the different catalysts coating not indicated, different catalytic effects are produced for the various composition in gaseous mixture.Temperature sensor
93 collecting temperature signals, radiator valve 94 controls the heating power of electric heater 91, controlling reaction temperature, it is ensured that test data
Repeatability.
Embodiment 1
220V/50Hz civil powers are connected, start replaceable carrier formula tidal air volatile organic compound detection device.Will be equipped with by
The swatch pouches 4 of survey person's tidal air sample, are connected in replaceable carrier formula tidal air volatile organic compound detection device, Ran Houkai
Open autotest.The tidal air sample inputted after unlatching by source of the gas 1 in carrier gas, swatch pouches 4 is exported via syringe 5, is carried
Gas mixes injection plasma generator 2 with tidal air sample, produces plasma.Straight line stepping module 8 drives photon collection list
Member 3 is directed at the runner opened in flow passage chamber；Open the air valve 6 of respective channels, the runner of the mixed airflow air stream enter runner chamber 7 of ionization
It is interior.With reference to Fig. 2, the temperature controller 94 inside carrier gas type sensor 9 controls the constant temperature of electric heater 91, and temperature sensor 93 will
Temperature information feeds back to radiator valve 94, reaches closed-loop control；Electric heater 91 has catalyst tank 92, inside there is catalytic materials
Matter, the optical signal different from gaseous mixture effect generation；Photon collection unit 3 converts optical signal into data-signal.
In 16 catalyst tanks 92, following catalyst is scribbled successively, including：Cu2+/TiO2, Mn2+/ZrO2, Cu2+/Al2O3,
Cu2+/ MgO, Zn2+/SiO2, Zn2+/TiO2, Cu2+/ZrO2, Cu2+/ ZnO, Mn2+/ZrO2, Zn2+/ZrO2, Ni2+/ ZnO, Ni2+/
TiO2。
Embodiment 2
As shown in Figure 1 and Figure 2, the base of the replaceable carrier formula tidal air volatile organic compound detection device of present embodiment
This construction is identical with the 1st embodiment.
First, 220V/50Hz civil powers are connected, in the figure of replaceable carrier formula tidal air volatile organic compound detection device
Not illustrated power switch is operated, if power on, the step of detected for tidal air.Then breathed
Gas detects the startup of function, in above-mentioned startup, swatch pouches 4 of the connection equipped with tidal air sample；Perseverance in carrier type sensor 9
Temperature controller 9-4 control electric heater 9-1 heating and constant temperature are to detection temperature；Source of the gas 1 is opened, plasma generator 2 is opened.Connect
The detection of execution tidal air.In above-mentioned detection, under Fig. 1 detectable state, air valve 6 opens a certain runner of flow passage chamber 7, directly
The driving photon collection of line stepping module 8 unit 3 is directed at the runner；The carrier gas that source of the gas 1 is inputted, is mixed with the input sample of syringe 5,
Gaseous mixture is formed, after being ionized through plasma generator 2, into the runner of unlatching；16 catalyst stream in carrier type sensor
Road, senses the tidal air of measured one by one, and is converted into optical signal, and data-signal is converted to through photon collection unit 3.
Claims (8)
1. a kind of tidal air volatile organic compound detection device of replaceable carrier, including for storing the sample of tidal air sample
Bag, it is characterised in that also include：
Source of the gas, is used as the supply of carrier gas；
Syringe, for exporting the tidal air sample in swatch pouches；
Plasma generator, receives source of the gas and the gas exported by syringe and produces plasma gas；
Flow passage chamber, it is interior be provided with some runners and carrier type sensor, each runner respectively by corresponding air inlet pipe connect etc. from
Electronic generator, described carrier type sensor is the gas sensor with several catalytic specie coating；
Air valve, is arranged in air inlet pipe and controls gas to enter different runners；
Straight line stepping module, straight line stepping module is provided with photon collection unit, and straight line stepping module passes through mobile photon collection
Unit, the optical signal of generation is collected one by one, and photon collection unit collects the optical signal that sends of gas sensor, and by its
It is converted into data-signal.
2. the tidal air volatile organic compound detection device of replaceable carrier as claimed in claim 1, it is characterised in that described
Plasma generator outlet connection total inlet pipe, each runner in flow passage chamber is connected respectively a shunting air inlet pipe, often
An Air Valve Control is equipped with root shunting air inlet pipe, some tracheaes that are diverted into are connected with total inlet pipe respectively.
3. the tidal air volatile organic compound detection device of replaceable carrier as claimed in claim 1, it is characterised in that described
Flow passage chamber be provided with light-transmissive signal form.
4. the tidal air volatile organic compound detection device of replaceable carrier as claimed in claim 1, it is characterised in that described
Straight line stepping module include straight line module, the stepper motor and photon collection unit that are arranged on straight line module, it is described
Photon collection unit is by screw clamping on straight line module.
5. the tidal air volatile organic compound detection device of replaceable carrier as claimed in claim 1, it is characterised in that described
Carrier type sensor there are some catalyst tanks, the quantity of catalyst tank is equal with the quantity of catalytic specie coating, catalytic materials
Matter coating is applied and is located in corresponding catalyst tank.
6. the tidal air volatile organic compound detection device of the replaceable carrier as described in claim 1 or 5, it is characterised in that institute
Catalytic specie coating on the gas sensor stated is 16 kinds, including：Cu2+/TiO2, Mn2+/ZrO2, Cu2+/Al2O3, Cu2+/
MgO, Zn2+/SiO2, Zn2+/TiO2, Cu2+/ZrO2, Cu2+/ ZnO, Mn2+/ZrO2, Zn2+/ZrO2, Ni2+/ ZnO, Ni2+/TiO2。
7. the tidal air volatile organic compound detection device of replaceable carrier as claimed in claim 1, it is characterised in that described
Carrier type sensor in be provided with temperature sensor, radiator valve and electric heater.
8. the tidal air volatile organic compound detection device of replaceable carrier as claimed in claim 1, it is characterised in that the inspection
Survey device detection method be：Source of the gas inputs carrier gas, while syringe controls the sample introduction of swatch pouches internal respiration gas sample sheet, now
Carrier gas is mixed with sample, forms gaseous mixture, then ionize gaseous mixture, the gaseous mixture of Air Valve Control ionization by plasma generator
Into in the different runners of flow passage chamber, straight line stepping module moves photon collection unit to different runners, photon collection unit
The optical signal that differential responses are produced is converted to data-signal, and different catalytic specie coatings is directed to the various composition in gaseous mixture
Produce different catalytic effects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497119.8A CN107153040A (en) | 2017-06-26 | 2017-06-26 | The tidal air volatile organic compound detection device and its detection method of replaceable carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497119.8A CN107153040A (en) | 2017-06-26 | 2017-06-26 | The tidal air volatile organic compound detection device and its detection method of replaceable carrier |
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| Publication Number | Publication Date |
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| CN107153040A true CN107153040A (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710497119.8A Withdrawn CN107153040A (en) | 2017-06-26 | 2017-06-26 | The tidal air volatile organic compound detection device and its detection method of replaceable carrier |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018282A (en) * | 2012-12-21 | 2013-04-03 | 上海交通大学 | Electronic nose system for early detection of lung cancer |
| CN104251841A (en) * | 2014-07-01 | 2014-12-31 | 中国医学科学院生物医学工程研究所 | Multi-sample breath analyzer based on cavity ring-down spectroscopy |
| CN104634776A (en) * | 2015-02-15 | 2015-05-20 | 北京师范大学 | Gas detection method and special sensor array thereof |
| CN106168548A (en) * | 2016-08-23 | 2016-11-30 | 中国科学院大气物理研究所 | Volatile material samples automatically/sampling device and method |
-
2017
- 2017-06-26 CN CN201710497119.8A patent/CN107153040A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018282A (en) * | 2012-12-21 | 2013-04-03 | 上海交通大学 | Electronic nose system for early detection of lung cancer |
| CN104251841A (en) * | 2014-07-01 | 2014-12-31 | 中国医学科学院生物医学工程研究所 | Multi-sample breath analyzer based on cavity ring-down spectroscopy |
| CN104634776A (en) * | 2015-02-15 | 2015-05-20 | 北京师范大学 | Gas detection method and special sensor array thereof |
| CN106168548A (en) * | 2016-08-23 | 2016-11-30 | 中国科学院大气物理研究所 | Volatile material samples automatically/sampling device and method |
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Application publication date: 20170912 |
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