CN207423879U - A kind of micro-fluidic Tongue devices - Google Patents
A kind of micro-fluidic Tongue devices Download PDFInfo
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- CN207423879U CN207423879U CN201721323258.0U CN201721323258U CN207423879U CN 207423879 U CN207423879 U CN 207423879U CN 201721323258 U CN201721323258 U CN 201721323258U CN 207423879 U CN207423879 U CN 207423879U
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- stainless steel
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- steel wire
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Abstract
The utility model discloses a kind of micro-fluidic Tongue devices, including monolithic micro-fluidic chip, an analysis of information collection device, six passages, a syringe pump, five fine stainless steel wire, two electrode slices with different coating.Monolithic micro-fluidic chip is cuboid, and passage is inside it；6th passage is sample channel, and the passage being mutually parallel with remaining is mutually perpendicular to, and syringe pump is in its left end；Fine stainless steel wire with different coating is inserted into the passage being mutually parallel respectively as electrode, and is inserted in respectively front and rear by two electrode slices, and electrode slice is connected with conducting wire with analysis of information collection device.Sample, into the 6th passage, flows through sensing unit, gathers signal and analysis through signal processing and analysis device, obtain sample grouped data through syringe pump.The utility model is effectively miniaturized, and sample size significantly reduces needed for detection, lower power consumption, and follow-up in use, being convenient for changing sensing unit.
Description
Technical field
The utility model is related to micro-fluidic field more particularly to a kind of micro-fluidic Tongue devices.
Background technology
With the development of science and technology, there are electronic visual and electronic nose, electronic tongues, and agricultural product, food inspection,
It is more and more widely used in pharmacy quality and environmental monitoring.Electronic tongues are to simulate the gustatory organ of people, and the sense of taste is turned
It changes electronic signal into, analysis identification is carried out by computer, applied to food research.Compared with human organ, electronic visual, electronics
Nose, electronic tongues have the advantages that will not fatigue, toxic sample or ingredient can be analyzed.
Electronic tongues are a kind of by low selectivity, nonspecific interactive sensitive sensor array, are equipped with suitable pattern and know
The analysis of modernization detecting instrument of the qualitative and quantitative analysis of other mode/multivariate statistical method.Electronic tongues sensing common at this stage
Device is Copper diethlydithiocarbamate, volt-ampere type sensor and impedance spectral pattern sensor.Wherein Copper diethlydithiocarbamate and volt-ampere type sensor
Sensing unit and analyte need electroactive, therefore be restricted in the type of testing compound, and test and analyze program and answer
It is miscellaneous.Usually all there are reference electrodes for these three sensors simultaneously so that sensor micromation is hindered.As Chinese patent discloses
Number reference electrode is used for the electronic tongue sensor array used in CN200910205943.7 and CN200910100741.6,
More stablize accurately although help detects, electronic tongue sensor micromation degree is inadequate, and sample size needed for detection is also opposite
It is more.
The content of the invention
For the above-mentioned problems in the prior art, the purpose of this utility model is to provide a kind of micro-fluidic electronic tongues
Device, its object is to which electronic tongues is made more to be miniaturized, sample size needed for detection is reduced, and more convenient replace senses list
Member.
To solve problem above, the utility model adopts the following technical solution：
A kind of micro-fluidic Tongue devices：Lead to including monolithic micro-fluidic chip (1), analysis of information collection device (2), first
Road (3), second channel (4), third channel (5), fourth lane (6), Five-channel (7), the 6th passage (8), syringe pump (9),
Fine stainless steel wire (10) with gold plating, fine stainless steel wire (11), the fine stainless steel wire with nickel coating with platinum coating
(12), the fine stainless steel wire (13) with iron coating, fine stainless steel wire (14) first electrode piece (15) with aluminum oxide coating layer,
Second electrode piece (16).The monolithic micro-fluidic chip (1) be cuboid, first passage (3), second channel (4), threeway
Road (5), fourth lane (6), Five-channel (7), the 6th passage (8) are inside it；6th passage (8) leads to for sample
Road, leads to first passage (3), second channel (4), third channel (5), fourth lane (6), the 5th by a diameter of 700~900 μm
Road (7) intersects vertically；The syringe pump (9) is connected with the 6th passage (8) left end；The first passage (3), second channel
(4), third channel (5), fourth lane (6), Five-channel (7) are mutually parallel, a diameter of 720 μm, spacing 6mm；Described
Fine stainless steel wire (10) with gold plating, fine stainless steel wire (11), the fine stainless steel wire with nickel coating with platinum coating
(12), it is logical that the fine stainless steel wire (13) with iron coating, the fine stainless steel wire (14) with aluminum oxide coating layer are inserted into first respectively
Road (3), second channel (4), third channel (5), fourth lane (6), Five-channel (7) as electrode, composition sensing unit it
A diameter of 720 μm；First electrode piece (15) on second electrode piece (16) with having 5 jacks, for having gold plating
Fine stainless steel wire (10), the fine stainless steel wire (11) with platinum coating, the fine stainless steel wire (12) with nickel coating, with iron apply
The fine stainless steel wire (13) of layer, the fine stainless steel wire (14) with aluminum oxide coating layer are inserted into, and the two right end has binding post, uses
Conducting wire is connected with right end analysis of information collection device (2).
Above-mentioned technical proposal has the advantages that：
1. employing the fine stainless steel wire with different coating constitutes sensing unit, sensing unit structures are simplified, are made
Tongue devices are obtained more to be miniaturized, and the fine stainless steel wire replacement easy to disassemble with different coating.
2. employing microfluidic channel, determinand, by sensor array, reduces the loss of sample, makes from minitype channel
Sample size needed for detection significantly reduces, easy to operate.
Description of the drawings
Below in conjunction with the accompanying drawings and specific embodiment is described further the utility model.
Fig. 1 is the utility model structure chart；
1 it is monolithic micro-fluidic chip in figure, 2 be analysis of information collection device, 3 be first passage, 4 be second channel, 5 is
Third channel, 6 be fourth lane, 7 be Five-channel, 8 be the 6th passage, 9 be syringe pump, 10 be the stainless steel with gold plating
Microfilament, 11 be the fine stainless steel wire with platinum coating, 12 be the fine stainless steel wire with nickel coating, 13 be with iron coating not
Rust steel microfilament, 14 be the fine stainless steel wire with aluminum oxide coating layer, 15 be first electrode piece, 16 be second electrode piece.
Specific embodiment
In Fig. 1, micro-fluidic Tongue devices：Including monolithic micro-fluidic chip 1, analysis of information collection device 2, first passage
3rd, second channel 4, third channel 5, fourth lane 6, Five-channel 7, the 6th passage 8, syringe pump 9, have gold plating it is stainless
Steel microfilament 10, the fine stainless steel wire 11 with platinum coating, the fine stainless steel wire 12 with nickel coating, the stainless steel with iron coating
Microfilament 13, fine stainless steel wire 14, first electrode piece 15, the second electrode piece 16 with aluminum oxide coating layer.The monolithic miniflow
Control chip 1 is cuboid, and first passage 3, second channel 4, third channel 5, fourth lane 6, Five-channel 7, the 6th passage 8 are
Inside it；6th passage 8 is sample channel, a diameter of 700~900 μm, with first passage 3, second channel 4, the
Triple channel 5, fourth lane 6, Five-channel 7 intersect vertically；The syringe pump 9 is connected with 8 left end of the 6th passage；Described
One passage 3, second channel 4, third channel 5, fourth lane 6, Five-channel 7 are mutually parallel, a diameter of 720 μm, and spacing is
6mm；The fine stainless steel wire 10 with gold plating, the fine stainless steel wire 11 with platinum coating, with the stainless of nickel coating
It is logical that steel microfilament 12, the fine stainless steel wire 13 with iron coating, the fine stainless steel wire 14 with aluminum oxide coating layer are inserted into first respectively
Road 3, second channel 4, third channel 5, fourth lane 6, Five-channel 7 form sensing unit as electrode, they a diameter of
720 μm, 304 stainless steel of material selection of fine stainless steel wire；First electrode piece 15 is applied with second electrode piece 16 with gold respectively
Layer fine stainless steel wire 10, the fine stainless steel wire 11 with platinum coating, the fine stainless steel wire 12 with nickel coating, with iron coating
Fine stainless steel wire 13, the both ends of fine stainless steel wire 14 with aluminum oxide coating layer be inserted in, first electrode piece 15 and second electrode
The conducting wire of piece 16 is connected with analysis of information collection device 2.
The course of work of micro-fluidic Tongue devices：By the fine stainless steel wire 10 with gold plating, with platinum coating not
Become rusty steel microfilament 11, the fine stainless steel wire 12 with nickel coating, the fine stainless steel wire 13 with iron coating, with aluminum oxide coating layer
Fine stainless steel wire 14 is inserted into first passage 3, second channel 4, third channel 5, fourth lane 6, Five-channel 7 as electricity respectively
Pole, and be inserted in respectively at both ends with first electrode piece 15 and second electrode piece 16 so that they are connected in parallel.By sample solution
6th passage 8 is injected by syringe pump 9, the flow velocity of injection is 1000 μ L h-1.It is with conducting wire that first electrode piece 15 and second is electric
Pole piece 16 is connected with analysis of information collection device 2, at room temperature by analysis of information collection device 2 apply 25mV alternating voltages come
Record has the actual admittance of the whole surface of cated stainless steel micro-line.Leading from sensing unit is analyzed by multiplex method
Data are received, to assess the classification of various samples.
Claims (3)
1. a kind of micro-fluidic Tongue devices, it is characterised in that：Including monolithic micro-fluidic chip (1), analysis of information collection device
(2), first passage (3), second channel (4), third channel (5), fourth lane (6), Five-channel (7), the 6th passage (8),
Syringe pump (9), the fine stainless steel wire (10) with gold plating, the fine stainless steel wire (11) with platinum coating, with nickel coating
Fine stainless steel wire (12), the fine stainless steel wire (13) with iron coating, the fine stainless steel wire (14) with aluminum oxide coating layer, first
Electrode slice (15), second electrode piece (16)；Monolithic micro-fluidic chip (1) be cuboid, first passage (3), second channel (4),
Third channel (5), fourth lane (6), Five-channel (7), the 6th passage (8) are inside it；6th passage (8) leads to for sample
Road intersects vertically with first passage (3), second channel (4), third channel (5), fourth lane (6), Five-channel (7)；It is described
Syringe pump (9) be connected with the 6th passage (8) left end；The first passage (3), second channel (4), third channel (5),
Four-way (6), Five-channel (7) are mutually parallel, spacing 6mm；Fine stainless steel wire (10) with gold plating, with platinum coating
Fine stainless steel wire (11), the fine stainless steel wire (12) with nickel coating, the fine stainless steel wire (13) with iron coating, with oxygen
The fine stainless steel wire (14) for changing aluminized coating is inserted into first passage (3), second channel (4), third channel (5), fourth lane respectively
(6), Five-channel (7) is used as electrode, forms the sensing unit of micro-fluidic Tongue devices, their a diameter of 720 μm；First
Electrode slice (15) is with second electrode piece (16) respectively in fine stainless steel wire (10), the stainless steel with platinum coating with gold plating
Microfilament (11), the fine stainless steel wire (12) with nickel coating, the fine stainless steel wire (13) with iron coating, with aluminum oxide coating layer
The both ends of fine stainless steel wire (14) be inserted in.
2. micro-fluidic Tongue devices according to claim 1, which is characterized in that the diameter of the 6th passage (8)
For 700~900 μm.
3. micro-fluidic Tongue devices according to claim 1, which is characterized in that the first passage (3), second logical
Road (4), third channel (5), fourth lane (6), a diameter of 720 μm of Five-channel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721323258.0U CN207423879U (en) | 2017-10-11 | 2017-10-11 | A kind of micro-fluidic Tongue devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721323258.0U CN207423879U (en) | 2017-10-11 | 2017-10-11 | A kind of micro-fluidic Tongue devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207423879U true CN207423879U (en) | 2018-05-29 |
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ID=62311360
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721323258.0U Expired - Fee Related CN207423879U (en) | 2017-10-11 | 2017-10-11 | A kind of micro-fluidic Tongue devices |
Country Status (1)
| Country | Link |
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| CN (1) | CN207423879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924626A (en) * | 2021-01-28 | 2021-06-08 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
-
2017
- 2017-10-11 CN CN201721323258.0U patent/CN207423879U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924626A (en) * | 2021-01-28 | 2021-06-08 | 言谱物(杭州)智能科技有限责任公司 | Electronic nose device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180529 Termination date: 20181011 |
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| CF01 | Termination of patent right due to non-payment of annual fee |