CN106290756B - A kind of method of harmful substance in field quick detection grape wine - Google Patents
A kind of method of harmful substance in field quick detection grape wine Download PDFInfo
- Publication number
- CN106290756B CN106290756B CN201610940984.0A CN201610940984A CN106290756B CN 106290756 B CN106290756 B CN 106290756B CN 201610940984 A CN201610940984 A CN 201610940984A CN 106290756 B CN106290756 B CN 106290756B
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- 235000009754 Vitis X bourquina Nutrition 0.000 title claims abstract description 29
- 235000012333 Vitis X labruscana Nutrition 0.000 title claims abstract description 29
- 235000014787 Vitis vinifera Nutrition 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000126 substance Substances 0.000 title claims abstract description 15
- 240000006365 Vitis vinifera Species 0.000 title 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 92
- 241000219095 Vitis Species 0.000 claims abstract description 28
- 239000002253 acid Substances 0.000 claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 238000000605 extraction Methods 0.000 claims abstract description 23
- 238000012545 processing Methods 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 54
- 238000007600 charging Methods 0.000 claims description 21
- 230000003321 amplification Effects 0.000 claims description 14
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 6
- 238000011161 development Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000004321 preservation Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims 1
- 238000011156 evaluation Methods 0.000 abstract description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 2
- 238000013124 brewing process Methods 0.000 description 2
- 235000009508 confectionery Nutrition 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 208000005374 Poisoning Diseases 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001413 amino acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
- G01N33/14—Beverages
- G01N33/146—Beverages containing alcohol
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/00584—Control arrangements for automatic analysers
Abstract
The invention discloses a kind of methods of harmful substance in field quick detection grape wine.A kind of mancarried device, including quantitative sample extraction module, signal processing circuit module, single-chip microcomputer signal acquisition system, power module, touch screen module and on-line storage module are set.The wine samples of quantitative sample extraction module Extraction and determination, and pass through sensor sensing methanol therein and volatile acid, content information is converted into electric signal, be sent into signal processing circuit module be amplified, denoising and filtering, single-chip microcomputer signal acquisition system is inputted after the conversion of A/D conversion circuits, it is handled again through single-chip microcomputer signal acquisition system, it is shown on the touch screen in touch screen module, and measurement result is sent into online memory module and is stored or is exported, that is, realize harmful substance in field quick detection grape wine.The method of the present invention is simple and convenient, fundamentally solves the problems, such as methanol and volatile acid fast-field evaluation in grape wine, and greatly increase Site Detection speed.
Description
Technical field
The invention belongs to technical field of analysis and detection, more particularly to harmful substance in a kind of field quick detection grape wine
Method.
Background technology
Grape wine is fermented and be made using grape as raw material.In grape wine contain many nutriments, as carbohydrate, alcohols,
Acids, inorganic salts, amino acid and various vitamins.Not only sweet flavor is pure and sweet, full of nutrition, and solid with bad courage is reduced
Alcohol promotees digestion, salubrity, beauty and other effects, therefore is liked by numerous people.In recent years, with the continuous hair of social economy
Exhibition and the continuous promotion of people's living standard, many family's selection self-control grape wine.Brewing grape wine is needed by sorting, clearly
The links such as wash, dry, being crushed, fermenting, clarifying, it is every since grape wine is highly susceptible to living contaminants in brewing process
A link is very strict to hygienic requirements.However, for family is from vintage wine, most people by rule of thumb and is felt to make entirely
Grape wine is made, (is grape wine from literature methanol and volatile acid to the ingredient from vintage wine especially methanol and volatile acid
Exceeded harmful substance is easiest in brewing process) whether the contents of these harmful substances is exceeded has no way of learning, it is therefore necessary to
A kind of portable methanol and volatilizable sour detection device are designed, the content of methanol and volatilizable acid in grape wine is detected, to protect
Hinder the life security of the people.
Methanol is also known as another name for, wood alcohol, colourless, volatile, toxicity is big, methanol excess intake can cause it is dizzy, weak, regard
The poisoning symptoms such as power obstacle, severe patient are even dead.There is the measurement method of methanol in traditional grape wine：Head space, laser are drawn
Graceful spectroscopic methodology, refraction process, gas chromatography, colorimetric method etc..Wherein Head space needs chromatography instrument；Raman spectroscopy curve
Complexity is difficult to, and needs Raman spectroscopy instrument；Although refraction process is easy, influence factor is difficult to accurately measure more；And gas phase color
Spectrometry needs expensive instrument, and instrument is not readily portable and field quick detection.These are not suitable for the methanol of domestic wine
And volatile acid detection.Although currently, having portable methanol and volatile acid measuring instrument on the market, these instruments are can only
Single harmful substance is measured, and there is the shortcomings of not portable, not quick, higher price, it is therefore necessary to be developed a kind of
The method of harmful substance in new field quick detection grape wine is family and individual services.
Invention content
The purpose of the present invention is overcoming the shortcomings of existing method, harmful substance in a kind of field quick detection grape wine is provided
Method.
The specific steps are：
(1) a kind of mancarried device, including quantitative sample extraction module, signal processing circuit module, microcontroller letter are set
Number acquisition system, power module, touch screen module and on-line storage module.Quantitative sample extraction module includes sensor, liquid
Inhalator handle, liquid inhaler and liquid flooded suction；Liquid inhaler handle is arranged on the top of liquid inhaler, and liquid is inhaled
Enter the lower part that head is mounted on liquid inhaler, the intersection in liquid inhaler and liquid flooded suction is arranged in sensor；At signal
It includes driver sensor circuit, filter amplification circuit and A/D conversion circuits to manage circuit module；Touch screen module includes touch screen electricity
Road and touch screen；It is provided with USB data interface in on-line storage module；Quantitative sample extraction mould sensor in the block is connected to drive
Filter amplification circuit is additionally coupled to while dynamic sensor circuit, filter amplification circuit is connected to A/D conversion circuits, A/D conversions
Circuit is connected to single-chip microcomputer signal acquisition system, and single-chip microcomputer signal acquisition system is additionally coupled to while being connected to touch screen module
On-line storage module；Power module includes charging circuit, rechargeable battery and output circuit, and charging circuit is provided with Micro-USB
Charging interface, rechargeable battery pass through output circuit connection signal processing circuit module, single-chip microcomputer signal acquisition system, on-line storage
Module and touch screen module.
The quantitative sample extraction module is used for the quantitative extraction of wine samples, when sampling, press liquid inhaler by
Handle, liquid inhaler is just by the sample of liquid flooded suction Extraction and determination volume, and liquid flooded suction can be replaced, fast and easy
Extract different samples；Sensor includes methanol sensor and volatilization acid sensor, and methanol sensor is used for the small of methanol
Variation is converted into faint electric signal, and the minor change of volatile acid for being converted into faint electric signal by volatilization acid sensor.
The driver sensor circuit is used to provide working power for sensor, and filter amplification circuit is used for sensor
Faint electric signal is amplified, denoising and filtering, A/D conversion circuits for that will amplify, denoising and filtered electric signal turn
It changes digital signal into, then inputs single-chip microcomputer signal acquisition system.
The single-chip microcomputer signal acquisition system is made of programmable development board, and the system is for collecting signal processing electricity
The digital signal of road module output, and the digital signal being collected into is handled, it is converted into touch screen energy in touch screen module
The form enough shown, while providing interface for on-line storage module and supporting.
The touch screen is human-computer interaction interface, and operating personnel can carry out various functions behaviour by the software on touch screen
Make, including measurement, preservation, return, export measurement result and comparison grape wine national standard limit value, touch screen circuitry are to touch
Screen provides circuit and supports.
Measurement result can be stored in U by the on-line storage module for storing measurement result by USB data interface
It in disk or exports, facilitates record, counts and summarize.
The charging circuit is provided with Micro-USB charging interfaces, is inserted into portable charger, for electric to charge
Pond is charged, and rechargeable battery is signal processing circuit module, single-chip microcomputer signal acquisition system, on-line storage module by output circuit
And touch screen module is powered.
(2) circuit is opened to the mancarried device of step (1) setting, the rechargeable battery of power module is by output circuit
Signal processing circuit module, single-chip microcomputer signal acquisition system, on-line storage module and touch screen module are powered；Touch screen mould
Touch screen circuitry in the block is powered for touch screen, and touch screen is in system initialization interface, and carries out key scan；Press liquid
The liquid inhaler handle on inhalator top, will draw quantitative wine samples in liquid flooded suction, on point touching screen
Measurement button, into measure interface, driver sensor circuit makes sensor start to work, sensor sensing to wine samples
In methanol and volatile acid after, generate stable electric signal, the electric signal entering signal processing circuit module, filtered amplification electricity
Road is amplified, denoising and is filtered, and is then converted through A/D conversion circuits, becomes single-chip microcomputer signal acquisition system institute
The digital signal needed；The digital signal that single-chip microcomputer signal acquisition system inputs A/D conversion circuits is handled, and is transformed into survey
Amount result is shown on the touch screen of touch screen module, while touching country's mark of methanol and volatile acid in screen display grape wine
Quasi- limit value, to make methanol and the whether exceeded judgement of volatile acid automatically, then measurement result is led to by on-line storage module
USB data interface is crossed to be stored on USB flash disk or export；When measuring next sample, liquid flooded suction is replaced, and touch screen is made to return
To measure interface, duplicate measurements process is filled when electric quantity of rechargeable battery is smaller by the Micro-USB being arranged on charging circuit
Electrical interface accesses portable charger, charges for rechargeable battery, is quickly carried out with ensureing to measure.
(3) step (2) is completed, that is, realizes harmful substance in field quick detection grape wine.
The method of the present invention is simple and convenient, and mancarried device used is easy to use, fast response time, measurement accuracy
High, simple in structure, small, light-weight, waterproof, explosion-proof, easy to maintain, this method fundamentally solves methanol in grape wine
And the problem of volatile acid fast-field evaluation, and greatly increase Site Detection speed.
Description of the drawings
Fig. 1 is the general frame of the mancarried device used in the present invention.
Fig. 2 is the appearance front elevation of the mancarried device used in the embodiment of the present invention.
Fig. 3 is the appearance back view of the mancarried device used in the embodiment of the present invention.
Fig. 4 is the outside drawing of the quantitative sample extraction module of the mancarried device used in the embodiment of the present invention.
It is marked in figure：1-Micro-USB charging interfaces；2-USB data-interfaces；3- power switches；4- liquid inhalers are pressed
Handle；5- liquid inhalers；6- sensors；7- liquid flooded suctions；8- touch screens；9-Home keys；10- return keys.
Fig. 5 is the main program flow chart of software used in the embodiment of the present invention.
Specific implementation mode
Embodiment：
(1) as shown in Figure 1, a kind of mancarried device is arranged, including quantitative sample extraction module, signal processing circuit mould
Block, single-chip microcomputer signal acquisition system, power module, touch screen module and on-line storage module；Quantifying sample extraction module includes
Sensor 6, liquid inhaler handle 4, liquid inhaler 5 and liquid flooded suction 7；The setting of liquid inhaler handle 4 is inhaled in liquid
Enter the top of device 5, liquid flooded suction 7 is mounted on the lower part of liquid inhaler 5, and sensor 6 is arranged in liquid inhaler 5 and liquid
The intersection of flooded suction 7；Signal processing circuit module includes driver sensor circuit, filter amplification circuit and A/D conversion circuits；
Touch screen module includes touch screen circuitry and touch screen 8；USB data interface 2 is provided in on-line storage module；Quantitative sample carries
Modulus sensor 6 in the block is additionally coupled to filter amplification circuit, filter amplification circuit while being connected to driver sensor circuit
A/D conversion circuits are connected to, A/D conversion circuits are connected to single-chip microcomputer signal acquisition system, the connection of single-chip microcomputer signal acquisition system
On-line storage module is additionally coupled to while to touch screen module；Power module includes charging circuit, rechargeable battery and output electricity
Road, charging circuit are provided with Micro-USB charging interfaces 1, and rechargeable battery passes through output circuit connection signal processing circuit mould
Block, single-chip microcomputer signal acquisition system, on-line storage module and touch screen module.As shown in Fig. 2,3 and 4, the portable field is fast
Power switch 3, Home key 9 and return key 10 are additionally provided on speed detector.
The quantitative sample extraction module is used for the quantitative extraction of wine samples, when sampling, press liquid inhaler by
Handle 4, liquid inhaler 5 is just by the sample of 7 Extraction and determination volume of liquid flooded suction, and liquid flooded suction 7 can be replaced, convenient
The different sample of rapid extraction；Sensor 6 includes methanol sensor and volatilization acid sensor, and methanol sensor is used for methanol
Minor change is converted into faint electric signal, and the minor change of volatile acid for being converted into faint telecommunications by volatilization acid sensor
Number.
The driver sensor circuit is used to provide working power for sensor 6, and filter amplification circuit is used for sensor 6
Upper faint electric signal is amplified, denoising and filtering, A/D conversion circuits for that will amplify, denoising and filtered electric signal
It is converted into digital signal, then inputs single-chip microcomputer signal acquisition system.
The single-chip microcomputer signal acquisition system is made of programmable development board, and the system is for collecting signal processing electricity
The digital signal of road module output, and the digital signal being collected into is handled, it is converted into 8 energy of touch screen in touch screen module
The form enough shown, while providing interface for on-line storage module and supporting.
The touch screen 8 is human-computer interaction interface, and operating personnel can carry out various functions by the software on touch screen 8
Operation, including measurement, preservation, return, export measurement result and comparison grape wine national standard limit value, touch screen circuitry is tactile
It touches screen 8 and circuit support is provided.
Measurement result can be stored in by the on-line storage module for storing measurement result by USB data interface 2
It in USB flash disk or exports, facilitates record, counts and summarize.
The Micro-USB charging interfaces 1 have access to portable charger, for charging for rechargeable battery, charging electricity
Pond is signal processing circuit module, single-chip microcomputer signal acquisition system, on-line storage module and touch screen module by output circuit
It is powered.
(2) 3 are turned on the power switch, the rechargeable battery of power module is signal processing circuit module, list by output circuit
Piece machine signal acquiring system, on-line storage module and touch screen module are powered.Touch screen circuitry in touch screen module is
Touch screen 8 is powered, and touch screen 8 is made to be in system initialization interface, carries out key scan.Press 5 top of liquid inhaler
Liquid inhaler handle 4 will draw quantitative wine samples in liquid flooded suction 7, the measurement button on point touching screen 8,
Into measure interface, driver sensor circuit makes sensor 6 start to work, and thin electrolyte layers are added in the electrode surface layer of sensor 6, and
Surface increases the pin hole of capillary-type, to improve measurement accuracy.Sensor 6 senses methanol and volatile acid in wine samples
Afterwards, chemical change occurs, generates stable electric signal, the electric signal entering signal processing circuit module, filtered amplifying circuit
It is amplified, denoising and is filtered, then converted, become needed for single-chip microcomputer signal acquisition system through A/D conversion circuits
The digital signal wanted.The digital signal that single-chip microcomputer signal acquisition system inputs A/D conversion circuits is handled, and is transformed into measurement
As a result it is shown on the touch screen 8 of touch screen module, while showing country's mark of methanol and volatile acid in grape wine on touch screen 8
Quasi- limit value, to make methanol and the whether exceeded judgement of volatile acid automatically, then measurement result is led to by on-line storage module
USB data interface 2 is crossed to be stored on USB flash disk.When measuring next sample, liquid flooded suction 7 is replaced, is directly returned by Home key 9
It to measure interface, or repeats to gradually resume measure interface by return key 10, when electric quantity of rechargeable battery is smaller, passes through the electricity that charges
Road setting Micro-USB charging interfaces 1 access portable charger, for rechargeable battery charge, with ensure measure quickly into
Row.
(3) step (2) is completed, that is, realizes harmful substance in field quick detection grape wine.
The flow chart of the main program of the software used in the present embodiment is as shown in figure 5, the software development uses Keil4 for
ARM, programming language are C language.Keil develops software and provides C language, assembler language compiler, and provides abundant library letter
Number and powerful Integrated Development debugging acid, the full interfaces Windows.Easy meeting easy to learn, it is easy to operate.
Claims (1)
1. a kind of method of harmful substance in field quick detection grape wine, it is characterised in that the specific steps are：
(1) a kind of mancarried device is set, including quantitative sample extraction module, signal processing circuit module, single-chip microcomputer signal are adopted
Collecting system, power module, touch screen module and on-line storage module；Quantitative sample extraction module includes sensor, liquid sucking
Device handle, liquid inhaler and liquid flooded suction；Liquid inhaler handle is arranged in the top of liquid inhaler, liquid flooded suction
Mounted on the lower part of liquid inhaler, the intersection in liquid inhaler and liquid flooded suction is arranged in sensor；Signal processing electricity
Road module includes driver sensor circuit, filter amplification circuit and A/D conversion circuits；Touch screen module include touch screen circuitry and
Touch screen；It is provided with USB data interface in on-line storage module；Quantitative sample extraction mould sensor in the block is connected to driving and passes
Filter amplification circuit is additionally coupled to while sensor circuit, filter amplification circuit is connected to A/D conversion circuits, A/D conversion circuits
It is connected to single-chip microcomputer signal acquisition system, single-chip microcomputer signal acquisition system is additionally coupled to online while being connected to touch screen module
Memory module；Power module includes charging circuit, rechargeable battery and output circuit, and charging circuit is provided with Micro-USB chargings
Interface, rechargeable battery pass through output circuit connection signal processing circuit module, single-chip microcomputer signal acquisition system, on-line storage module
And touch screen module；
The quantitative sample extraction module is used for the quantitative extraction of wine samples, when sampling, presses liquid inhaler handle, liquid
Body inhalator is just by the sample of liquid flooded suction Extraction and determination volume, and liquid flooded suction can be replaced, fast and easy extraction
Different samples；Sensor includes methanol sensor and volatilization acid sensor, and methanol sensor is used for the minor change of methanol
It is converted into faint electric signal, the minor change of volatile acid for being converted into faint electric signal by volatilization acid sensor；
The driver sensor circuit is used to provide working power for sensor, and filter amplification circuit is used for will be faint on sensor
Electric signal be amplified, denoising and filtering, A/D conversion circuits for that will amplify, denoising and filtered electric signal are converted into
Then digital signal inputs single-chip microcomputer signal acquisition system；
The single-chip microcomputer signal acquisition system is made of programmable development board, which is used for collecting signal processing circuit mould
The digital signal of block output, and the digital signal being collected into is handled, being converted into touch screen in touch screen module can show
The form shown, while providing interface for on-line storage module and supporting；
The touch screen is human-computer interaction interface, and operating personnel can carry out various functions operation by the software on touch screen,
Including measurement, preservation, return, export measurement result and comparison grape wine national standard limit value, touch screen circuitry is touch screen
Circuit is provided to support；
Measurement result can be stored in by USB data interface in USB flash disk by the on-line storage module for storing measurement result
Or export, facilitate record, count and summarize；
The charging circuit is provided with Micro-USB charging interfaces, is inserted into portable charger, for being filled for rechargeable battery
Electricity, rechargeable battery are signal processing circuit module, single-chip microcomputer signal acquisition system, on-line storage module by output circuit and touch
Panel module is touched to be powered；
(2) circuit opened to the mancarried device of step (1) setting, the rechargeable battery of power module is signal by output circuit
Processing circuit module, single-chip microcomputer signal acquisition system, on-line storage module and touch screen module are powered；In touch screen module
Touch screen circuitry be touch screen power supply, touch screen is in system initialization interface, and carries out key scan；Press liquid sucking
The liquid inhaler handle on device top will draw quantitative wine samples, the survey on point touching screen in liquid flooded suction
Button is measured, into measure interface, driver sensor circuit makes sensor start to work, in sensor sensing to wine samples
After methanol and volatile acid, generate stable electric signal, the electric signal entering signal processing circuit module, filtered amplifying circuit into
Row amplification and is filtered denoising, is then converted, is become required for single-chip microcomputer signal acquisition system through A/D conversion circuits
Digital signal；The digital signal that single-chip microcomputer signal acquisition system inputs A/D conversion circuits is handled, and is transformed into measurement knot
Fruit is shown on the touch screen of touch screen module, while touching the national standard of methanol and volatile acid in screen display grape wine and limiting
Definite value, to make methanol and the whether exceeded judgement of volatile acid automatically, then measurement result passes through USB by on-line storage module
Data-interface is stored on USB flash disk or exports；When measuring next sample, liquid flooded suction is replaced, and touch screen is made to return to survey
Interface is measured, duplicate measurements process passes through the Micro-USB chargings being arranged on charging circuit when electric quantity of rechargeable battery is smaller
Mouth access portable charger, charges for rechargeable battery, to ensure that measurement quickly carries out；
(3) step (2) is completed, that is, realizes harmful substance in field quick detection grape wine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610940984.0A CN106290756B (en) | 2016-10-26 | 2016-10-26 | A kind of method of harmful substance in field quick detection grape wine |
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| CN201610940984.0A CN106290756B (en) | 2016-10-26 | 2016-10-26 | A kind of method of harmful substance in field quick detection grape wine |
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| CN106290756B true CN106290756B (en) | 2018-11-06 |
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| CN107995599B (en) * | 2017-11-10 | 2020-07-31 | 桂林理工大学 | Natural rubber acquisition monitoring method based on spectrum sensing technology |
| CN107991247A (en) * | 2017-12-08 | 2018-05-04 | 尹大路 | A kind of food inspection device and its detection method |
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| CN1243230C (en) * | 2003-11-20 | 2006-02-22 | 华中科技大学 | Method for checking pesticide residue and portable detecting instrument thereof |
| CN101226166B (en) * | 2008-01-31 | 2013-08-14 | 浙江大学 | Low-power consumption hand-hold electric nasus system for testing on-site |
| CN102288658A (en) * | 2011-08-18 | 2011-12-21 | 天津市汉漠尔电子科技有限公司 | Portable electrochemical detection analysis device |
| CN203046900U (en) * | 2012-12-21 | 2013-07-10 | 陕西理工学院 | Automobile driver alcohol concentration detection device |
| CN203100787U (en) * | 2013-03-20 | 2013-07-31 | 华玥 | Intelligent detecting system for safe driving |
| CN203365417U (en) * | 2013-08-05 | 2013-12-25 | 黑龙江东方学院 | Food safety detector |
| CN103558252A (en) * | 2013-11-07 | 2014-02-05 | 周琼 | Method for classifying grape wines based on electronic nose technology |
| CN203881687U (en) * | 2014-03-03 | 2014-10-15 | 江南大学 | Hand-held rapid pesticide residue determinator |
| CN105911017A (en) * | 2016-04-12 | 2016-08-31 | 中华人民共和国张家港出入境检验检疫局 | Detection method for simultaneously and rapidly determining five indexes in wine |
| CN105911228B (en) * | 2016-06-21 | 2018-01-09 | 重庆大学 | A kind of portable electric nose system and its control method |
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