CN107677620A - A kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living - Google Patents
A kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living Download PDFInfo
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- CN107677620A CN107677620A CN201710864933.9A CN201710864933A CN107677620A CN 107677620 A CN107677620 A CN 107677620A CN 201710864933 A CN201710864933 A CN 201710864933A CN 107677620 A CN107677620 A CN 107677620A
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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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
- B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
- B01L3/502707—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip characterised by the manufacture of the container or its components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
- B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
- B01L2200/10—Integrating sample preparation and analysis in single entity, e.g. lab-on-a-chip concept
Abstract
The invention discloses a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living.Gas-liquid conversion manipulation micro-total analysis system includes the cold/warm mattress for being arranged in two rows by some pads and being attached to silica gel outer surface, centre is gas passage, heat at pad interval, cause silica gel contraction or expansion, change the cross-sectional area of gas passage, when gas, which reaches, to be exported, smell is concentrated supply micro-fluidic chip, micro-fluidic chip is made up of the microchannel of complications, microchannel is provided with human scent collection port, leakage fluid dram, absorbance detection region, some injection ports are directly additionally provided with human scent collection port and absorbance detection region.Micro-fluidic chip is converted into the change in concentration of targeted odorous the change of color, and absorbance caused by measuring color change by light sensing analysis system changes and draws final conclusion.The beneficial effects of the invention are as follows mood, the habits and customs that can be used for intelligent guesses people, the destination for and guiding people to drive to reach.
Description
Technical field
The invention belongs to technical field of electronic equipment, is related to a kind of intelligent vehicle for being used to detect smell and improve the quality of living
Carry equipment.
Background technology
Research shows that healthy population can send the smell of happiness, and patient can send the nifves such as trimethylamine (TMA),
Diabetic's meeting burn fat due to shortage insulin, sends tart flavour.Smell is directly proportional to stress, and high pressure can activate
Big fine hair hole containing more bacterium, so as to discharge more bad smells.When you travel on a highway, brains can be protected
A kind of pressure of high concentration is held, so in-car would generally be than having more abnormal smells on bed！In addition, when health
When, small clean pore and protection body of gland are activated, and send and make us pleased comprising sex or Bacteria suppression bio signal
Happy smell.Human body discharges about 700 kinds of odoring substances altogether, wherein 149 are breathing, 152 are sweat, and 298 are predecessor
Private parts, 196 are back private parts.Dog can remember your the unique body odour of private parts, and next time, meeting just recognized you.
Some dogs detect the cancer of the mankind even by smell.The main smell that the mankind distribute is by hydrocarbon, aldehyde, acetone, benzene and
Methane forms.
Odor detection equipment is always mankind's demand urgent to improving surrounding enviroment for many years, such as detects kitchen or fly
The smog of machine toilet.Therefore, it is necessary to which a kind of intelligent scent detector is used for speculating the mood of people, habits and customs, and guide
The destination of people, such as, the quality of mood embodies in armpit taste, and then automobile can help you to select a public affairs
Garden is gone to play, Kingsoft, the purpose of Jiaoshan Hill or South Mountain.
Traditional artificial or advanced convolutional neural networks primary learning rule can be：If animal nerve is from body kinematics
Worked in detection, then mean that user has the smell relevant with body movement.We can recommend a hydrotherapy center
Shower.If vegetative nerve works from odor detection, it is meant that user eats or bent one's elbow, and we can recommend body-building
Take exercises in room.If the smell of neurotransmitter is active, that means that user experiences mood, says love or quarrel.
We can take client in one beautiful park.If analyzing eyeball from vision camera quickly moving, that meaning
User has the offending time, and we can take user to suitable position.If the electrodes sense muscle pressure on chair
Power, that means that user is sat enough to which for a long time, we can recommend a rest area to stop.Remember, people are each other not
Together, end user's behavior can be learnt by using the design set on APP, to meet response modes desired by user.Example
Such as, you want to walk remote or nearby etc..
The content of the invention
It is an object of the invention to provide a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living.
The technical solution adopted in the present invention is to include gas-liquid conversion manipulation micro-total analysis system, micro-fluidic chip and light to pass
Feel analysis system, the gas condensation concentration containing targeted odorous is supplied micro-fluidic core by gas-liquid conversion manipulation micro-total analysis system
Piece, micro-fluidic chip are converted into the change in concentration of targeted odorous the change of color, and color is measured by light sensing analysis system
Absorbance caused by change changes and draws final conclusion.
Further, gas-liquid conversion manipulation micro-total analysis system includes cold/warm mattress, and cold/warm mattress is arranged in two rows by some pads
Silica gel outer surface is attached to, is gas passage among two row's cold/warm mattress, the heating of pad interval, the temperature of pad is directly proportional to voltage,
The pad of various zones ceaselessly transformation temperature, cause silica gel contraction or expansion, change the cross-sectional area of gas passage, work as gas
When body reaches outlet, smell is concentrated.
Further, micro-fluidic chip is made up of the microchannel of complications, and microchannel one end is provided with human scent collection port, another
End is provided with leakage fluid dram, and leakage fluid dram is nearby provided with absorbance detection region, straight in human scent collection port and absorbance detection region
Connect and be additionally provided with some injection ports.
Further, injection port is sequentially arranged in microchannel both sides, and wherein side includes phosphate buffer injection port, acetyl
Choline solution injection port, phosphate buffer injection port, opposite side include the acetylcholine ester enzyme solutions that concentration is 5mg/mL and noted
Loophole, choline oxidase solution injection ports, tetramethyl benzidine solution injection ports.
Further, human scent collection port contains neurotransmitter.
Further, the length and width of micro-fluidic chip is 50mm × 20mm；The cross-section lengths and width of microchannel are
500μm×50μm；It is 2mm that the human scent, which collects port radius,；The injection port radius are 0.5mm；The absorbance detection
Zone radius is 1mm.
Further, the preparation method of micro-fluidic chip：
(1) SU-8 photoresists are uniformly spin-coated on silicon chip, the thickness for keeping photoresist is 50 μm；
(2) the Coreldraw chip figures designed are printed on to be used as on hyaline membrane by 2880dpi resolution printers and covered
Film；
(3) by ultraviolet exposure 70s, develop, obtain the photoresist formpiston of micro-fluidic chip；
(4) 10 are pressed using dimethyl silicone polymer as prepolymer substrate and curing agent:1 ratio is well mixed, by it
Pour into the photoresist formpiston of preparation, bubble is extracted in vacuum environment, then solidify 3h at 60 DEG C；(5) by after solidification
PDMS substrates are punched using card punch, are allowed to form liquid entrance, are realized sample introduction and the discharge opeing of chip；
(6) finally, PDMS substrates are bonded with slide using method of plasma processing, obtain and used made of PDMS
In the micro-fluidic chip of odor detection.
The beneficial effects of the invention are as follows mood, the habits and customs that can be used for intelligent guesses people, people are and guided to drive
The destination of arrival.
Brief description of the drawings
Fig. 1 (a) is gas-liquid conversion manipulation micro-total analysis system original state；
Fig. 1 (b) is that gas-liquid conversion manipulation micro-total analysis system catches gaseous state；
Fig. 1 (c) is that gas-liquid conversion manipulation micro-total analysis system gas moves right state；
Fig. 2 is the microfluidic chip structure schematic diagram for the detection of human toxicity material gases；
Fig. 3 (a) is old-fashioned wooden armchair structural representation；
Fig. 3 (b) is upside down funnel type odor trap apparatus structure schematic diagram.
In figure, 1. take a seat area, 2. air admission holes, 3. upside down funnel type odor trap devices, 4. exhaust tubes, 5. air pumps, 6. rows
Tracheae, the gas that 7. human bodies distribute, 8. sensor groups.
Embodiment
With reference to embodiment, the present invention is described in detail.
As Fig. 1 (a)-(c) show gas-liquid conversion manipulation micro-total analysis system.Wherein black is heat pad piece, and white is cold
Pad, cold/warm mattress are made up of 12v peltier diodes, and the temperature of pad is directly proportional to voltage, and the waveform of energization determines pulsation, place
Managing device, ceaselessly transformation temperature, pulsating move forward thermograde and to work as gas by the hot or cold pad for controlling various zones
When reaching outlet, smell is concentrated, and micro-fluidic core can be so fed in the case of without using accurate MEMS or high-pressure pump
Piece equipment.
Concretely comprise the following steps：Pad, original state such as Fig. 1 (a) are sticked in silica gel outer surface, pad is in cold conditions gas freedom
Slowly flowing, full of whole silica gel passage；To catch gas, the heating of pad interval, gas is enclosed in silica gel group Fig. 1 (b) respectively
Into closing chamber in；Fig. 1 (c) is state forward of wriggling, and moist smell air is moved to right side from left side, and hot side silica gel expands,
Tube wall attenuates, and so as to prevent smell from escaping backward, cold side silica gel shrinks, and tube wall is thicker, urges it towards cold side with thermograde
Pulsation and move right.In moving process, hot air necessarily undergoes cold pad, be liquefied as water droplet with peristaltic forces continue to
Move right, the total length of soft silica gel capillary concentrator can be up to 400 mm folding back and forth, be concentrated so as to which gas is condensed
Supply micro-fluidic chip.
The micro-fluidic chip of the present invention is made of soft lithography, and its step is：
(1) SU-8 photoresists are uniformly spin-coated on silicon chip, the thickness for keeping photoresist is 50 μm.
(2) the Coreldraw chip figures designed are printed on hyaline membrane by 2880 dpi resolution printers and be used as
Mask.
(3) by the s of ultraviolet exposure 70, develop, obtain the photoresist formpiston of micro-fluidic chip.
(4) 10 are pressed using dimethyl silicone polymer (PDMS) as prepolymer substrate and curing agent:1 ratio mixing is equal
It is even, it is poured into the photoresist formpiston of preparation, bubble is extracted in vacuum environment.Then 3 h are solidified at 60 DEG C.
(5) the PDMS substrates after solidification are punched using card punch, is allowed to form liquid entrance, realizes the sample introduction of chip
And discharge opeing.
(6) finally, PDMS substrates are bonded with slide using method of plasma processing, obtain and used made of PDMS
In the micro-fluidic chip of odor detection.The length and width of the micro-fluidic chip of making is the mm of 50 mm × 20.In addition, microchannel
Cross-section lengths and width be 50 μm of 500 μ m.As shown in Figure 2, a is the human scent collection port containing neurotransmitter, half
Footpath is 2 mm, and in-car agricultural chemicals gas can be collected into micro-fluidic chip by human scent collection port, realize sample feeding；
B and f is phosphate buffer (PBS) injection port, and the pH environment adapted to is provided for the enzyme level chrominance response in chip；C is dense
Acetylcholinesterase (AchE) solution injection ports for 5mg/mL are spent, for acetylcholine (ACh) to be catalytically decomposed；D is
Acetylcholine (ACh) solution injection ports, the substrate as enzyme level chrominance response；E injects for choline oxidase (ChOx) solution
Mouthful, it is catalyzed middle generation product choline (ChO) generation H2O2；G is tetramethyl benzidine (TMB) solution injection ports, anti-as colorimetric
The developer answered.x1~x4For the preferable internal-rib type microring array structure of mixed performance of use, the whole human body containing neurotransmitter
The formula of the reaction of odor detection is as follows:
Specifically detecting step is：When injection port a be collected into the higher characteristics of contaminated respiratory droplets of concentration in closed car containing nerve
The gas of mediator, by sinuate x1Internal rib formations, it is therefore an objective to increase the contact with targeted odorous using the structure of bending
Area, the admission velocity of gas is reduced, cause the compressive state before and after gas, make the slow aggegation of the material-specific in gas, ingeniously
The concentration of targeted odorous is increased wonderfully, is easy to the degree of accuracy of detection.When smell is diffused into first cross aisle mouth, with note
The AChE contacts that loophole c is flowed into, by x2Internal-rib microring array structure is fully merged, and AChE is suppressed, the injection of b injection ports
PBS provide pH environment；When suppressed AChE mixed solutions flow to second cross aisle mouth, noted with the ACh and e of d injections
The ChOx contacts penetrated, by x3Internal-rib microring array structure is sufficiently mixed, and the reaction of formula (1) and (2) occurs, and generates intermediate product
H2O2；Contain H2O2Mixed liquor when flowing to the 3rd cross aisle mouth, contacted with TMB developers, by x4Internal-rib type it is micro- mixed
Close structure to be sufficiently mixed, there occurs the chrominance response of such as formula (3), generates oxidized TMB, solution is in blueness (this reaction
In class peroxidase CuFe2O4Occur under/GQDs catalysis)；The absorbance detection at 652nm is carried out in m area, is finally led to
Cross leakage fluid dram n discharge waste liquids.Successfully the change in concentration of targeted odorous is converted into the change of color, system is analyzed by light sensing
Absorbance caused by unified test amount color change changes and carries out data processing, and then preliminarily judges the mental health shape of human body
Condition, it was therefore concluded that.
Fig. 3 (a) is the old-fashioned wooden armchair for home intelligent detection.Its major function is a kind of family's chair of invention, is being designed
Specific region catch the smell that distributes of human body, odiferous information is detected by the sensor group arranged in advance, to judge that human body is near
The health status of phase, provide the prophylactic generation of expert decision-making opinion.For example, old man is made in puts a wind above, it is possible to
Judge his health, remind him to take medicine, drink water, taking a walk etc..Fig. 3 (a) is great master's structure of chair schematic diagram, including setting
Meter takes a seat area 1；The air admission hole 2 of dense arrangement, the gas that human body distributes can enter detection zone by air admission hole；Upside down funnel type
Odor trap device 3 (see Fig. 3 (b)), by the design of upside down funnel, more down funnel aperture is smaller, can play to catching
The enrichment of gas, it is easy to more accurately detect；Exhaust tube 4, air pump 5 are evacuated in funnel, are not only provided to whole device
The power of seizure, and the waste gas after detection is discharged；Excessive gas after the discharge detection of blast pipe 6.Fig. 3 (b) is
Funnel type odor trap device is put, the gas 7 that wherein human body distributes is entered under the power that air pump provides by intensive air admission hole
Enter upside down funnel to be detected.In the sensor group 8 that the end gas rich region of upside down funnel is arranged, more array sensings are not
Gas after same directional perception enrichment.
When human body emission gases, open air pump 5 and gas is caught, gas enters upside down funnel type odor trap device
3 are enriched with, and the sensor group 8 arranged around rich region carries out perception detection to human body gas, and data are handled
Analysis, expert decision-making suggestion is provided to user health situation, and corresponding decision recommendation is sent to user terminal, user and obtained
Life style is adjusted and improved using corresponding measure after information, reaches the purpose of healthy living.
Also it may be arranged near automotive seat, seat sensor group distribution nearby, the device for testing smell of shape such as striped
Include it is multiple merge passages 3D printing miniflow control wafers, flexible plastic lid, multiple soft silica gel feed pipes, internal processor, one and Ban
Conductor heats and cooling diode (the mini hot and cold pad for being similarly used for stomach or cephalic pain) is used for the gas of air-flow inputting interface
Taste enrichment facility, or other optional input units, such as night viewing camera, for detecting eye movement, on chair
Shoulder piezoelectric pressure detection etc..Microfluidic optical activity of each chip testing result from each region of body.Region
It is mouth respectively, armpit, secret, pin etc..Each seat can have a set of scent detector of oneself, database and processing unit
Shared, information will be simply sent to the passenger at this seat, and mobile phone can be by Bluetooth pairing to seat, and other people are all without knowing.
Optical sensor is made up of such as Cs3Sb alkali metal salt, and it is provided after UV light excites, and is detected from KMnO4Or other examinations
Microvolt quantum sensitivity needed for the weak change of the photon numbers of agent transmitting.Another method is when ultraviolet irradiates material
Detect the color length of grade change of developer.
By present device, recorded using past route, advised by neutral net, be output to smart mobile phone
Application program, so that user ratifies the route recommended and destination of lying fallow.
The present invention uses microfluid detection reagent, sends the currency of detection material property, is passed by Noninvasive biology
The change of the sensor automatic detection individual odorousness related to neurotransmitter and non-neurotransmitter, judge respectively people physiology and
Psychological condition, to detect the smell state of whole human body.Based on testing result, practised further according to the situation before him or she is pleasant
It is used, it is final to provide the best route recommended and destination for driver.The present invention using micro-fluidic optical detector come detect by with
The smell of automobile caused by the life style of family, mainly come from the sweat of driver or passenger or the smell of face, so as to for
Driver selects optimal navigation way and destination.For example, if user is a craving for tobacco person, we will avoid selling in way
Any shop of cigarette.If user is wine-head, we will avoid the shop of any sale beer and white wine.If user suffers from
There are flu and common disease, we will select the route provided with pharmacy.In the present invention, we devise a kind of integrating colour
Or the micro-fluidic chip of light intensity sensor, to catch the biochemical reaction in microchannel, record micro-fluidic biological chemistry mould
Formula or pure chemistry pattern, hardware cost is reduced by using advanced double probability Gaussian Profile filtering.
Described above is only the better embodiment to the present invention, not makees any formal limit to the present invention
System, any simple modification that every technical spirit according to the present invention is made to embodiment of above, equivalent variations and modification,
Belong in the range of technical solution of the present invention.
Claims (7)
- A kind of 1. intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, it is characterised in that：Change and grasp including gas-liquid Micro-total analysis system, micro-fluidic chip and light sensing analysis system are controlled, gas-liquid conversion manipulation micro-total analysis system will contain target The gas condensation concentration supply micro-fluidic chip of smell, micro-fluidic chip are converted into the change in concentration of targeted odorous the change of color Change, absorbance caused by measuring color change by light sensing analysis system changes and draws final conclusion.
- 2. exist according to a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, its feature described in claim 1 In：The gas-liquid conversion manipulation micro-total analysis system includes cold/warm mattress, and cold/warm mattress is arranged in two rows by some pads and is attached to silica gel Outer surface, two row's cold/warm mattress centre are gas passage, and the heating of pad interval, the temperature of pad is directly proportional to voltage, various zones Pad ceaselessly transformation temperature, cause silica gel contraction or expansion, change the cross-sectional area of gas passage, when gas reaches out During mouth, smell is concentrated.
- 3. exist according to a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, its feature described in claim 1 In：The micro-fluidic chip is made up of the microchannel of complications, and microchannel one end is provided with human scent collection port, the other end is provided with row Liquid mouth, leakage fluid dram are nearby provided with absorbance detection region, are directly additionally provided with human scent collection port and absorbance detection region Some injection ports.
- 4. exist according to a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, its feature described in claim 3 In：The injection port is sequentially arranged in microchannel both sides, and wherein side includes phosphate buffer injection port, acetylcholine solution Injection port, phosphate buffer injection port, it is 5mg/mL acetylcholinesterase solution injection ports, choline that opposite side, which includes concentration, Oxidizing ferment solution injection ports, tetramethyl benzidine solution injection ports.
- 5. exist according to a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, its feature described in claim 3 In：The human scent collection port contains neurotransmitter.
- 6. exist according to a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, its feature described in claim 3 In：The length and width of the micro-fluidic chip is 50mm × 20mm；The cross-section lengths and width of microchannel are 500 μ ms 50 μm；It is 2mm that the human scent, which collects port radius,；The injection port radius are 0.5mm；The absorbance detection zone radius is 1mm。
- 7. exist according to a kind of intelligent vehicle-carried equipment for being used to detect smell and improve the quality of living, its feature described in claim 3 In：The preparation method of the micro-fluidic chip：(1) SU-8 photoresists are uniformly spin-coated on silicon chip, the thickness for keeping photoresist is 50 μm；(2) the Coreldraw chip figures designed are printed on hyaline membrane by 2880dpi resolution printers and are used as mask；(3) by ultraviolet exposure 70s, develop, obtain the photoresist formpiston of micro-fluidic chip；(4) 10 are pressed using dimethyl silicone polymer as prepolymer substrate and curing agent:1 ratio is well mixed, and is poured into In the photoresist formpiston of preparation, bubble is extracted in vacuum environment, then solidifies 3h at 60 DEG C；(5) the PDMS substrates after solidification are punched using card punch, is allowed to form liquid entrance, realizes sample introduction and the row of chip Liquid；(6) finally, PDMS substrates are bonded with slide using method of plasma processing, obtain and be used for gas made of PDMS The micro-fluidic chip of taste detection.
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| CN111374640A (en) * | 2020-02-10 | 2020-07-07 | 吉利汽车研究院（宁波）有限公司 | Target object abnormal state early warning method, device, equipment and storage medium |
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