CN106706731A - Quick household fruit and vegetable pesticide residue detector - Google Patents
Quick household fruit and vegetable pesticide residue detector Download PDFInfo
- Publication number
- CN106706731A CN106706731A CN201710081202.7A CN201710081202A CN106706731A CN 106706731 A CN106706731 A CN 106706731A CN 201710081202 A CN201710081202 A CN 201710081202A CN 106706731 A CN106706731 A CN 106706731A
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- unit
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- pesticide residue
- output connection
- detector
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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
Abstract
The invention discloses a quick household fruit and vegetable pesticide residue detector in the technical field of pesticide residue detection. The detector comprises a to-be-tested tank, a biological electrode, an enzyme sensor and a detector body, wherein the biological electrode is connected with the detector body through a lead wire; the monitor position of the biological electrode is put in liquid of the test tank through a fixing device, while the enzyme sensor is arranged at the detecting end part of the biological electrode immerging in the monitor liquid; electrical output of a signal amplification circuit is connected with a signal filter circuit, and electrical output of the signal filter circuit is connected with a signal processing unit; electrical output of the signal processing unit is connected with an A/D conversion unit, and electrical output of the A/D conversion unit is connected with a single chip microcomputer. The quick household fruit and vegetable pesticide residue detector is simple in size, convenient to carry and simple to operate, pesticide residues can be monitored precisely by utilizing the enzyme sensor and monitoring multiple test tanks, and the measurement accuracy can be ensured.
Description
Technical field
The present invention relates to the Detection Technologies of Pesticide Residues field, specially a kind of household garden stuff pesticide residue fast detector.
Background technology
In recent years, due to agricultural chemicals abuse or improper use so that pesticide poisoning event occurs often, so that serious harm
Consumers in general's is healthy, and residues of pesticides are exceeded to have become one of main food-safety problem of China, causes society
The extensive concern of meeting, China is the country of applications of pesticide amount maximum in the world, and about 400,000 tons of the actual production of annual agricultural chemicals is only secondary
Second place of the world is occupied in the U.S., about 270,000 tons of annual consumption is at the forefront in the world, there is increased trend year by year, in addition to poisoning symptom,
For a long time in low-dose pesticide environment, can also make it that accumulation is formed in human body, cause slow poisoning and final to human body
Cause serious injury, for the agriculture production modl of the small-scale peasant household's dispersion production of China, to control residues of pesticides, must just send out
Exhibition can carry out the means of quick real-time detection to the residues of pesticides of fruit and vegetable surfaces, be inspected by random samples on a large scale before fruits and vegetables listing,
Make whether ordinary people has agricultural chemicals exceeded the water fruits and vegetables for eating, quick and easy can detect, so that ordinary people pair
Safety of Food Quality has right to know, and the pesticide residue analysis method for generally using both at home and abroad is based on agricultural chemicals chemical property in itself
Or design feature, use the detection skills such as chromatogram and chromatogram and combination, immunoassay, the hexavalent chrome bio-removal of other detection methods
Art, qualitative and quantitative analysis is carried out to agricultural chemicals.But method pretreatment process is more complicated for these, need technical professional,
Instrument price is expensive, analytical cycle is long, not readily portable.
The content of the invention
It is an object of the invention to provide a kind of household garden stuff pesticide residue fast detector, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the present invention provides following technical scheme：A kind of household garden stuff pesticide residue fast detector,
Including pond to be measured, bioelectrode, enzyme sensor and detector body, wherein, the bioelectrode is by wire and detector sheet
Body is connected, and the monitoring position of bioelectrode is placed into the liquid in pond to be measured by fixing device, and the enzyme sensor is then
Installed in the detection end submerged in monitoring liquid on bioelectrode；
Submergence enzyme sensor in a liquid electrically exports connection signal gathering unit, and the signal gathering unit is electrically defeated
Go out and connect signal amplification circuit, the signal amplification circuit electrically exports connection signal filter circuit, and signal filter circuit electricity
Property output connection signal processing unit, the signal processing unit electrically exports connection A/D converting units, and A/D conversion is single
First electrically output connection single-chip microcomputer；
The power subsystem for being provided with electric energy is set on detector body, and the power subsystem electrically exports connection analog-to-digital conversion
Unit, the AD conversion unit electrically exports connection single-chip microcomputer, and single-chip microcomputer is electrically input into connection electric quantity monitoring unit respectively
And input block, the input block is electrically input into connection keyboard, and electrically output connection storage is single respectively for the single-chip microcomputer
Unit, driver element and wireless transmit/receive units, electrically output connects print unit and display unit to the driver element respectively, described
Wireless transmit/receive units electrically export connection mobile terminal.
Preferably, the pond to be measured includes the detection cell with multigroup sense channel, and every group of sense channel includes one group
Detecting Pesticide pond and one group of examination criteria pond.
Preferably, the power subsystem is batteries and attaching plug, and Combined storage battery attaching plug is installed in
On detector body.
Preferably, print unit is stated to be connected with detector body by USB interface.
Compared with prior art, the beneficial effects of the invention are as follows：The household garden stuff pesticide residue that the present invention is provided quickly is examined
Instrument is surveyed, small volume is easy to carry, simple to operate, and the utilization for passing through enzyme sensor, and the monitoring to multigroup pond to be measured, makes
The monitoring for obtaining residues of pesticides is more refined, and has ensured the accuracy of measurement.
Brief description of the drawings
Fig. 1 is principle of the invention block diagram.
In figure：1 pond to be measured, 2 bioelectrodes, 3 power subsystems, 4 enzyme sensors, 5 signal gathering units, 6 signals amplify electricity
Road, 7 signal filter circuits, 8 signal processing units, 9A/D converting units, 10 single-chip microcomputers, 11 AD conversion units, 12 electricity prison
Survey unit, 13 driver elements, 14 print units, 15 display units, 16 wireless transmit/receive units, 17 mobile terminals, 18 keyboards,
19 input blocks, 20 memory cell.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to, the present invention provides a kind of technical scheme：A kind of household garden stuff pesticide residue fast detector, including
Pond to be measured 1, bioelectrode 2, enzyme sensor 4 and detector body, wherein, the bioelectrode 2 is by wire and detector sheet
Body is connected, and the monitoring position of bioelectrode 2 is placed into the liquid in pond to be measured 1 by fixing device, and the enzyme sensor 4 is then
Be mounted in the detection end submerged in monitoring liquid on bioelectrode 2, the distribution of enzyme sensor 4 put into examination criteria pond and
In Detecting Pesticide pond, treated to perceive by the current loop formed between working electrode and reference electrode on bioelectrode 2
The zymoprotein surveyed in liquid, and the liquid in Detecting Pesticide pond by residues of pesticides because influenceed so that mould activity is received
To influence, and then cause that electric current sends change, it is whether exceeded to draw residues of pesticides to mould activity influence using residues of pesticides；
Electrically output connects signal gathering unit 5, the electricity of the signal gathering unit 5 to submergence enzyme sensor 4 in a liquid
Property output connection signal amplification circuit 6, the signal amplification circuit 6 electrically output connection signal filter circuit 7, and signal filtering
Electrically output connects signal processing unit 8 to circuit 7, and the signal processing unit 8 electrically exports connection A/D converting units 9, described
The electrical output connection single-chip microcomputer 10 of A/D converting units 9, signal amplification circuit therein 6 will be collected in signal gathering unit 5
Mould signal is changed and amplified, and is changed into available electric signal, in the treatment by signal filter circuit 7, is delivered to A/D and is turned
Change in unit 9, electric signal therein is converted into data signal, feed back to single-chip microcomputer 10；
The power subsystem 3 for being provided with electric energy is set on detector body, and electrically output connection modulus turns the power subsystem 3
Change unit 11, the electrical output connection single-chip microcomputer 10 of the AD conversion unit 11, equally, by AD conversion unit 11 by power supply
Electric signal in unit 3 is converted to data signal, feeds back to single-chip microcomputer 10, coordinates electric quantity monitoring unit 12 to be used to monitor power supply list
Electricity in unit 3, timely reminds user to charge or switch on power detector body, and single-chip microcomputer 11 is electrically defeated respectively
Enter to connect electric quantity monitoring unit 12 and input block 19, electrically input connection keyboard 18 passes through keyboard to the input block 19
Button on button 18 carries out parameter setting and clearing to detector body, and is required for detector sheet when detecting every time
Body is zeroed out operation, and needs that standard detection pond is carried out to detect that operation is used as standard of comparison, 10 points of the single-chip microcomputer
Not not electrically output connects memory cell 20, driver element 13 and wireless transmit/receive units 16, and memory cell 20 will detect what is be collected into
Data are stored and collected, and electrically output connects print unit 14 and display unit 15 to the driver element 13 respectively, will examine
The result for measuring intuitively is shown by display unit 15, and can be printed testing result by print unit 14
Out, it is easy to preserve and browse, electrically output connects mobile terminal 17 to the wireless transmit/receive units 16, and testing result can be timely
Be sent in mobile terminal 17 by wireless transmit/receive units 16, realize the timely transmission and preservation of data message.
Wherein, the pond to be measured 1 includes the detection cell with multigroup sense channel, and every group of sense channel includes one group of agriculture
Medicine residue detection pond and one group of examination criteria pond, are counted greatly by detecting multigroup Detecting Pesticide pond and examination criteria pond
According to collection, and these big datas are made form, can intuitively observe the change of data so that data have preferable
Accuracy, the power subsystem 3 is batteries and attaching plug, and Combined storage battery attaching plug is installed in detector
On body, the normal work of detector body is ensured by charging with the two ways of plug-in, the print unit 14 passes through
USB interface is connected with detector body.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding can carry out various changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (4)
1. a kind of household garden stuff pesticide residue fast detector, it is characterised in that：Including pond to be measured (1), bioelectrode (2), enzyme
Sensor (4) and detector body, wherein, the bioelectrode (2) is connected by wire with detector body, bioelectrode
(2) monitoring position is placed into the liquid of pond to be measured (1) by fixing device, and the enzyme sensor (4) is then mounted in
The detection end submerged in monitoring liquid on bioelectrode (2)；
Electrically output connection signal gathering unit (5), the signal gathering unit (5) of submergence enzyme sensor (4) in a liquid
Electrically output connection signal amplification circuit (6), the signal amplification circuit (6) electrically output connection signal filter circuit (7), and
Signal filter circuit (7) electrically output connection signal processing unit (8), the signal processing unit (8) electrically exports connection A/D
Converting unit (9), the A/D converting units (9) electrically output connection single-chip microcomputer (10)；
The power subsystem (3) for being provided with electric energy is set on detector body, and electrically output connection modulus turns the power subsystem (3)
Unit (11), the AD conversion unit (11) electrically output connection single-chip microcomputer (10) are changed, and single-chip microcomputer (11) is electrically defeated respectively
Enter to connect electric quantity monitoring unit (12) and input block (19), electrically input connects keyboard to the input block (19)
(18), the single-chip microcomputer (10) electrically exports connection memory cell (20), driver element (13) and wireless transmit/receive units respectively
(16), the driver element (13) electrically exports connection print unit (14) and display unit (15), the wireless receiving and dispatching respectively
Unit (16) electrically output connection mobile terminal (17).
2. a kind of household garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The pond to be measured
(1) including the detection cell with multigroup sense channel, and every group of sense channel includes one group of Detecting Pesticide pond and one group of inspection
Survey standard pool.
3. a kind of household garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The power supply list
First (3) are batteries and attaching plug, and Combined storage battery attaching plug is installed on detector body.
4. a kind of household garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The printing list
First (14) are connected by USB interface with detector body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081202.7A CN106706731A (en) | 2017-02-15 | 2017-02-15 | Quick household fruit and vegetable pesticide residue detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710081202.7A CN106706731A (en) | 2017-02-15 | 2017-02-15 | Quick household fruit and vegetable pesticide residue detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106706731A true CN106706731A (en) | 2017-05-24 |
Family
ID=58909160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710081202.7A Pending CN106706731A (en) | 2017-02-15 | 2017-02-15 | Quick household fruit and vegetable pesticide residue detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106706731A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862489A (en) * | 2010-06-13 | 2010-10-20 | 江苏华阳电器有限公司 | Medicament injector and control method thereof |
| CN102095772A (en) * | 2011-01-27 | 2011-06-15 | 上海交通大学 | Pesticide residue detecting instrument based on three-electrode enzyme sensor |
| CN201885974U (en) * | 2010-11-24 | 2011-06-29 | 杭州华内光电科技有限公司 | Handheld quick tester for pesticide residue |
| CN103529114A (en) * | 2013-10-18 | 2014-01-22 | 山东理工大学 | Rapid domestic fruit and vegetable pesticide residue detection instrument |
| CN103529111A (en) * | 2013-10-18 | 2014-01-22 | 山东理工大学 | Quick pesticide residue detector of acetylcholin esterase biosensor |
| CN103940868A (en) * | 2014-04-15 | 2014-07-23 | 山东理工大学 | Fast detector of pesticide residues based on enzyme immunosensor |
| CN104483352A (en) * | 2014-12-09 | 2015-04-01 | 淄博瑞谷自动化控制设备有限公司 | Rapid detection system for pesticide residues of fruits and vegetables and application of rapid detection system |
| CN104777123A (en) * | 2015-04-22 | 2015-07-15 | 贵州大学 | Rapid pesticide residue detection method and system |
| CN205786455U (en) * | 2016-05-18 | 2016-12-07 | 刘喜凯 | A kind of Portable pesticide residue measurer |
-
2017
- 2017-02-15 CN CN201710081202.7A patent/CN106706731A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101862489A (en) * | 2010-06-13 | 2010-10-20 | 江苏华阳电器有限公司 | Medicament injector and control method thereof |
| CN201885974U (en) * | 2010-11-24 | 2011-06-29 | 杭州华内光电科技有限公司 | Handheld quick tester for pesticide residue |
| CN102095772A (en) * | 2011-01-27 | 2011-06-15 | 上海交通大学 | Pesticide residue detecting instrument based on three-electrode enzyme sensor |
| CN103529114A (en) * | 2013-10-18 | 2014-01-22 | 山东理工大学 | Rapid domestic fruit and vegetable pesticide residue detection instrument |
| CN103529111A (en) * | 2013-10-18 | 2014-01-22 | 山东理工大学 | Quick pesticide residue detector of acetylcholin esterase biosensor |
| CN103940868A (en) * | 2014-04-15 | 2014-07-23 | 山东理工大学 | Fast detector of pesticide residues based on enzyme immunosensor |
| CN104483352A (en) * | 2014-12-09 | 2015-04-01 | 淄博瑞谷自动化控制设备有限公司 | Rapid detection system for pesticide residues of fruits and vegetables and application of rapid detection system |
| CN104777123A (en) * | 2015-04-22 | 2015-07-15 | 贵州大学 | Rapid pesticide residue detection method and system |
| CN205786455U (en) * | 2016-05-18 | 2016-12-07 | 刘喜凯 | A kind of Portable pesticide residue measurer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |