CN106979969A - The Intelligent bowl of concentration of heavy metal ion in a kind of detection food liquid - Google Patents
The Intelligent bowl of concentration of heavy metal ion in a kind of detection food liquid Download PDFInfo
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- CN106979969A CN106979969A CN201710105003.5A CN201710105003A CN106979969A CN 106979969 A CN106979969 A CN 106979969A CN 201710105003 A CN201710105003 A CN 201710105003A CN 106979969 A CN106979969 A CN 106979969A
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- bowl
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/42—Measuring deposition or liberation of materials from an electrolyte; Coulometry, i.e. measuring coulomb-equivalent of material in an electrolyte
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Chemical Kinetics & Catalysis (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention provides a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid, including bowl body, and the bowl inside bottom is provided with three electrodes, i.e. working electrode, reference electrode and auxiliary electrode；Temperature sensor and heater are provided with the inside of the bowl body, the heater is heated to the detection liquid, it is kept certain detection temperature.Detection circuit, power module based on stripping voltammetry are provided with sandwich establishment in the bowl body, interlayer.The Intelligent bowl, simple in construction, be easy to carry, operation is quick and safety, and detection time is short, precision is high, it is not necessary to professional training, easy to detect quick, food liquid quickly can be detected, suitable family uses.
Description
Technical field
The present invention relates to the measure of heavy metal in food, and in particular to concentration of heavy metal ion in one kind detection food liquid
Intelligent bowl.
Background technology
With China's expanding economy, living standards of the people are improved rapidly, and at the same time, are disappeared with high investment, high resource
The economic growth taken for cost also results in the continuous aggravation of various problem of environmental pollutions.The unprocessed direct row of industrial wastewater
Put, air pollution, sewage irrigation and the unreasonable of chemical fertilizer use, cause a large amount of poisonous and harmful heavy metallics to enter environment, turn into
The serious significant problem for threatening ecological environment of soil and agricultural product security.
Common heavy metal mainly has lead, zinc, tin, cobalt, antimony, mercury etc..Injury of the heavy metal to human body common are：Lead：
It is the larger one kind of heavy metal pollution Poisoning, once being difficult to exclude into human body；The brain cell of direct harm people, particularly tire
The neural plate of youngster, can cause congenital cerebral sulci to return shallow, feeblemindedness；Dementia, brain death etc. are caused to the elderly.Zinc：When excessive
Zinc pyreticosis can be obtained.Tin：It is the important component in ancient times huge poison " legendary bird with poisonous feathers " with lead, enters and solidify blocking after abdomen, make one till death.Cobalt：Energy
There is radioactive damage to skin.Antimony：With arsenic silver-colored jewelry can be made to become brick-red, have radioactive damage to skin.Mercury：It is straight after eating
Connect and sink to liver, it is very big to brain eyesight nerve damage；Contain 0.01 milligram in every liter of water of natural water, will be poisoned strongly.Contain
Micro mercury drinking water, long-term consumption can cause retention toxicosis.Cadmium：Cause hypertension, cause cardiovascular and cerebrovascular disease；Destroy bone
Calcium, causes renal dysfunction.If very big toxic side effect will be produced to human body by eating the food containing heavy metal by mistake, therefore, inspection
Survey in food and whether contain heavy metal, be to be related to food security, the key issue of life quality.
The method detected currently used for trace heavy metal mainly has the spectroscopic analysis methods such as Atomic absorption, atomic fluorescence, electricity
Feel coupled plasma mass and UV-spectrophotometry etc..Instrument itself cost required for these methods
Costliness, operating cost is high, it is necessary to possess skilled operating experience and enough working spaces, in the large-scale detection when ratio of realization
It is relatively time consuming, laborious；What is had can not carry out multigroup analysis or multielement analysis；Some meetings can not be surveyed because element, spectrum etc. are disturbed
It is fixed, the purpose of Site Detection can not be reached.
Electrochemical methods be according to material in the solution with one set up based on the electrochemical properties on electrode
Plant analysis method.Electrochemical methods be applied to detection heavy metal mainly include stripping voltammetry, polarography, potentiometry,
Conductimetry etc., is a kind of extremely important technological means of current analysis and detection field.Stripping voltammetry is one kind ten
Divide sensitive trace analysis methods, sensitivity is high, and good resolution can determine various metals simultaneously, not by shadows such as muddiness, colourities
Sound, it is easy to accomplish scene, quick, real-time, online, continuously and automatically change detection, meets current developing direction, this method application
In terms of Environmental emergency monitoring, running water detection, food, pharmacy, hospital wastewater monitoring.It is existing based on stripping voltammetry
Trace heavy metal ion concentration detection apparatus has that bulky, expensive equipment, operating cost be high, detecting step is cumbersome and inconvenience
The shortcomings of carrying.
The content of the invention
It is an object of the invention to provide a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid, based on dissolution
Voltammetry detects concentration of heavy metal ion.
The present invention provides a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid, including bowl body, the bowl
Inside bottom is provided with three electrodes, i.e. working electrode, reference electrode and auxiliary electrode；TEMP is provided with the inside of the bowl body
Device and heater, are heated to the detection liquid, keep certain detection temperature.Sandwich establishment in the bowl body,
Detection circuit, power module based on stripping voltammetry are provided with interlayer；Detection circuit based on stripping voltammetry includes single
Piece machine MCU, provided with collection branch road, the output of working electrode and single-chip microprocessor MCU between auxiliary electrode and the input of single-chip microprocessor MCU
Work branch is provided between end, reference electrode connects a potentiostatic circuit, and by the potentiostatic circuit and working electrode shape
Into electrochemical circuit；Described collection branch route low-pass filter circuit, off-centre circuit, A/D converter and DMA channel is sequentially connected
Form；Described work branch is formed by connecting by D/A converter, the first operation amplifier module；The perseverance electricity being connected with reference electrode
The output end of position circuit is connected with the second operation amplifier module, the output end of the second operation amplifier module and the first operation amplifier mould
The input of block is connected, so as to form electrochemical circuit.The power module provides required electric energy for the Intelligent bowl.Institute
State in bowl body interlayer and be additionally provided with wireless transport module, for the data after processing to be sent to intelligent terminal, display ion
Make a concrete analysis of data.Touch display screen is provided with the outside of the bowl body, species and pollution for showing heavy metal ion
Degree.
The beneficial effects of the present invention are：The present invention provides a kind of intelligence for detecting concentration of heavy metal ion in food liquid
Bowl, it is simple in construction, be easy to carry.Operation is quick and safe, and detection time is short, precision is high, it is not necessary to professional training, easy to detect
Fast, food liquid can quickly be detected, suitable family uses.
Brief description of the drawings
Fig. 1 is Cleaning Principle schematic diagram of the present invention.
Embodiment
In order that the purpose of the present invention, technical scheme are clearer, below in conjunction with the accompanying drawings and embodiment, to present invention progress
Detailed description.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
The present invention provides a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid, including bowl body, the bowl
Inside bottom is provided with three electrodes, i.e. working electrode, reference electrode and auxiliary electrode.
Temperature sensor and heater are provided with the inside of the bowl body, the heater is added to the liquid of detection
Heat so that detection liquid keeps certain detection temperature.
The detection circuit based on stripping voltammetry, the detection electricity are provided with sandwich establishment in the bowl body, interlayer
Lu Yusan electrodes are connected.
Working electrode uses glass-carbon electrode in three electrode, and reference electrode is calomel electrode, and auxiliary electrode is platinum electrode.
It is described detection circuit include single-chip microprocessor MCU, potentiostatic circuit, low-pass filter circuit, off-centre circuit, A/D converter, DMA channel,
D/A converter, the first operation amplifier module, the second operation amplifier module.As shown in figure 1, the auxiliary electrode and the monolithic
Provided with collection branch road between machine MCU input, work is provided between the working electrode and the output end of the single-chip microprocessor MCU
Branch road, the reference electrode connects a potentiostatic circuit, and is formed by the potentiostatic circuit with the working electrode
Electrochemical circuit；Described collection branch route the low-pass filter circuit, the off-centre circuit, the A/D converter and described
DMA channel is connected in sequence；Described work branch by the D/A converter, the first operation amplifier module connection and
Into；The output end for the potentiostatic circuit being connected with the reference electrode is connected with the second operation amplifier module, described
The output end of second operation amplifier module is connected with the input of the first operation amplifier module, is returned so as to form electrochemistry
Road.
Wireless transport module is additionally provided with the bowl body interlayer, for the data after processing to be sent to intelligent terminal,
Show the concrete analysis data of ion.Touch display screen is provided with the outside of the bowl body, for showing heavy metal ion
Species and pollution level.
During using the Intelligent bowl, the food liquid of required detection is poured into the Intelligent bowl, the temperature sensor
The temperature of the food liquid is detected, (general detection temperature is 25 DEG C), the heater when temperature is less than design temperature
The food liquid is heated；When temperature is constant, three electrode is started working, the faint electricity of the three electrodes collection
Signal is filtered, offset, A/D conversions, and most digital quantity signal feeding single-chip microprocessor MCU enters line program processing at last.Using can this
Special formula journeyAt 25 DEG C, the Nernst equation can be reduced to
Calculated.Display screen on the outside of the bowl body shows the species and pollution level of detected heavy metal ion,
With the dissolution of heavy metal, its concentration is calculated according to spike potential, judge whether it is exceeded, afterwards using wireless transport module will
Data after processing send the concrete analysis data that ion is shown to intelligent terminal.The Intelligent bowl by common copper, chromium, cadmium,
Zinc, lead are used as detection object.
Above is the preferable implementation to the present invention is illustrated, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent variations or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (5)
1. a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid, it is characterised in that：Including bowl body, the bowl body
Inside bottom is provided with three electrodes, i.e. working electrode, auxiliary electrode and reference electrode；TEMP is provided with the inside of the bowl body
The detection circuit based on stripping voltammetry, power supply mould are provided with sandwich establishment in device and heater, the bowl body, interlayer
Block, wireless transport module, the detection circuit are connected with three electrodes；Touch display screen is provided with the outside of the bowl body.
2. a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid according to claim 1, it is characterised in that：
It is described detection circuit include single-chip microprocessor MCU, potentiostatic circuit, low-pass filter circuit, off-centre circuit, A/D converter, DMA channel,
D/A converter, the first operation amplifier module, the second operation amplifier module；
Provided with collection branch road, the working electrode and the list between the auxiliary electrode and the input of the single-chip microprocessor MCU
Work branch is provided between piece machine MCU output end, the reference electrode connects a potentiostatic circuit, and passes through the perseverance
Potential circuit and working electrode formation electrochemical circuit；Described collection branch route the low-pass filter circuit, it is described partially
Shift circuit, the A/D converter and the DMA channel are connected in sequence；Described work branch by the D/A converter,
The first operation amplifier module is formed by connecting；The output end for the potentiostatic circuit being connected with the reference electrode is connected with
The second operation amplifier module, the input of the output end of the second operation amplifier module and the first operation amplifier module
End is connected, so as to form electrochemical circuit.
3. a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid according to claim 1, it is characterised in that：
The heater is heated to the liquid of detection so that detection liquid keeps certain detection temperature.
4. a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid according to claim 1, it is characterised in that：
The wireless transport module, for detecting that data are sent to intelligent terminal, the analyze data of display ion.
5. a kind of Intelligent bowl for detecting concentration of heavy metal ion in food liquid according to claim 1, it is characterised in that：
The touch display screen, species and pollution level for showing heavy metal ion in detection sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710105003.5A CN106979969A (en) | 2017-02-25 | 2017-02-25 | The Intelligent bowl of concentration of heavy metal ion in a kind of detection food liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710105003.5A CN106979969A (en) | 2017-02-25 | 2017-02-25 | The Intelligent bowl of concentration of heavy metal ion in a kind of detection food liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106979969A true CN106979969A (en) | 2017-07-25 |
Family
ID=59338675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710105003.5A Pending CN106979969A (en) | 2017-02-25 | 2017-02-25 | The Intelligent bowl of concentration of heavy metal ion in a kind of detection food liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106979969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116500099A (en) * | 2023-03-31 | 2023-07-28 | 宿州学院 | Microfluidic sensor for rapidly detecting heavy metal ions and application method thereof |
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| CN202891416U (en) * | 2012-11-12 | 2013-04-24 | 武汉钢铁(集团)公司 | Cup |
| CN203630075U (en) * | 2013-10-24 | 2014-06-04 | 台州市黄岩精英设计有限公司 | Water quality testing cup |
| CN203732498U (en) * | 2014-01-22 | 2014-07-23 | 天津农学院 | Electrochemical immunosensor for quickly detecting naphthalene content in water |
| CN103940988A (en) * | 2014-04-10 | 2014-07-23 | 山东理工大学 | Rapid heavy metal detector based on enzyme and immune sensors |
| CN203732497U (en) * | 2014-03-10 | 2014-07-23 | 中国农业大学 | Portable soil heavy metal quick detector |
| CN105388201A (en) * | 2015-10-21 | 2016-03-09 | 浙江大学 | Three-electrode integrated electrochemical sensor based on microelectrode array |
| CN205285829U (en) * | 2015-11-26 | 2016-06-08 | 上海雷跃智能科技有限公司 | Healthy cup |
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2017
- 2017-02-25 CN CN201710105003.5A patent/CN106979969A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060101973A (en) * | 2005-03-22 | 2006-09-27 | 삼성엔지니어링 주식회사 | Sensor for measuring chloride concentration, sensor for detecting microorganisms, and water cleansing apparatus having the same |
| CN202891416U (en) * | 2012-11-12 | 2013-04-24 | 武汉钢铁(集团)公司 | Cup |
| CN203630075U (en) * | 2013-10-24 | 2014-06-04 | 台州市黄岩精英设计有限公司 | Water quality testing cup |
| CN203732498U (en) * | 2014-01-22 | 2014-07-23 | 天津农学院 | Electrochemical immunosensor for quickly detecting naphthalene content in water |
| CN203732497U (en) * | 2014-03-10 | 2014-07-23 | 中国农业大学 | Portable soil heavy metal quick detector |
| CN103940988A (en) * | 2014-04-10 | 2014-07-23 | 山东理工大学 | Rapid heavy metal detector based on enzyme and immune sensors |
| CN105388201A (en) * | 2015-10-21 | 2016-03-09 | 浙江大学 | Three-electrode integrated electrochemical sensor based on microelectrode array |
| CN205285829U (en) * | 2015-11-26 | 2016-06-08 | 上海雷跃智能科技有限公司 | Healthy cup |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116500099A (en) * | 2023-03-31 | 2023-07-28 | 宿州学院 | Microfluidic sensor for rapidly detecting heavy metal ions and application method thereof |
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Application publication date: 20170725 |
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