CN203287315U - Intelligent type instrument for quickly detecting pesticide residues - Google Patents
Intelligent type instrument for quickly detecting pesticide residues Download PDFInfo
- Publication number
- CN203287315U CN203287315U CN2013202511981U CN201320251198U CN203287315U CN 203287315 U CN203287315 U CN 203287315U CN 2013202511981 U CN2013202511981 U CN 2013202511981U CN 201320251198 U CN201320251198 U CN 201320251198U CN 203287315 U CN203287315 U CN 203287315U
- Authority
- CN
- China
- Prior art keywords
- microprocessor
- interface
- color sensor
- type instrument
- pesticide residues
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model provides an intelligent type instrument for quickly detecting pesticide residues, which comprises a color sensor, a microprocessor, a CPLD, a driver module, a data buffering module and a display screen all connected in sequence, wherein the microprocessor is connected with the CPLD in a bi-directional communication manner, and is further in expansion connection with an automatic brightness control circuit, an RS232 interface, a CF card, an RJ45 interface, a JTAG debugging interface, an SDRAM, a FLASH and a power supply circuit; the color sensor is further connected with a fluorescent probe. Compared with the prior art, the intelligent type instrument for quickly detecting pesticide residues has the characteristics of reasonable design, simple structure, convenience for use and the like, the automatic detection can be completed after detection by the fluorescent probe, the integral manufacturing cost is low, the operation is easy, various pesticide residues can be detected, the detecting precision is high, and the intelligent type instrument is portable and easy to popularize.
Description
Technical field
The utility model relates to the Pesticides Testing technical field, specifically a kind of intelligent rapid detector for pesticide residue simple in structure, easy to use.
Background technology
Residues of pesticides physico-chemical analysis method commonly used not only will have the analysis instruments such as expensive gas chromatography, and the analytical approach formality is complicated.Domestic and international many software engineering researchers invent have been developed the residual rapid assay methods of Multiple Pesticides, comprise bioanalysis and chemical method, the external the Detection Technologies of Pesticide Residues secondary matter methods that adopt more, solid-phase microextraction is main pre-treatment means, but rapid sensitive carries out trace and trace analysis, is widely used in importing and exporting check epidemic disease, the detection of fruits and vegetables wholesale market.Solid-Phase Extraction and overcritical: extraction, the special-purpose sensitive detectors of wide spectrum will be promoted and reach.The EPA of the U.S. adopts single acetonitrile extraction, Gu the pure preconditioning technique of paulownia extraction, with residual organic phosphates, the organochlorine class carbamates of being divided into, classification detects.The method is used the gas chromatography of many property capillary column, multi-selection detecting device to separate and is surveyed organophosphorus, organochlorine, use again simultaneously RP-HPLC post-column derivation detection technique of fluorescence to measure carbamate, reach thus once and can detect residues of pesticides more than 160 kinds.At present, at World Developed Countries, adopted above-mentioned brand-new detection technique, but one-time detection persticide residue more than 400 kinds, and whole analytic process adopts the robotization pre-processing device more, has greatly shortened the time and the operation that detect the polycomponent residues of pesticides.
China's Analytical Techniques of Pesticide Residues starts from the 1950's, and the agricultural chemicals quantity that the existing pesticide residue analysis method of China covers is very limited, and the method for detecting residue of having reported differs greatly with the pesticide species quantity of a large amount of uses at present.In addition, traditional solvent extraction method is time-consuming, effort, easily contaminated environment; Detection method sensitivity is low, and the low shortcomings that waits of extraction and cleaning rate, be difficult to adapt to present farming residual analysis, particularly the demand of export inspection.Lack simultaneously applied widely, simple, the high-sensitive method of pre-service.Therefore greatly increased workload and analysis time, to batch samples, detected and bring very big difficulty.In addition, because China's residue limits is made standard by oneself and compared with international food code regulation limit standard, the gap great disparity, therefore existing detection method considerable part can not meet the world requirement of limiting the quantity of.Detection technique developed to some extent in recent years, and existing gas Chinese tallow tree chromatogram (being furnished with the multicolumn multi-detector), the gas chromatography mass spectrometries of adopting carry out many residue detection more.At present, Gu the Chinese tallow tree extraction becomes comparatively ideal pretreatment technology.Because pesticide dosage constantly increases, kind increases, and the mixing of agricultural chemicals is used, and therefore, many residue detection technology becomes the developing direction of the residual check of following agriculture.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of intelligent rapid detector for pesticide residue simple in structure, easy to use is provided.
The technical solution of the utility model realizes in the following manner, a kind of intelligent rapid detector for pesticide residue, comprise the color sensor, microprocessor, CPLD, driver module, data buffering module and the display screen that are linked in sequence, described microprocessor is connected with the CPLD two-way communication, described microprocessor is also expanded and is connected with automatic brightness control circuit, RS232 interface, CF card, RJ45 interface, JTAG debugging interface, SDRAM, FLASH and power circuit, and above-mentioned color sensor also is connected with fluorescence probe.Fluorescence probe in this technical scheme is that the mechanism two that can produce fluorescence according to agricultural chemicals under UV-irradiation arranges, and the application of this technology can greatly improve speed, the degree of accuracy of detection, improves the scope that detects, and increases the type that detects.
As preferably, described color sensor built in light electric diode and IF converter, wherein the IF converter is connected with microprocessor communication.
Further, described photodiode is provided with different four groups totally 88 of color, and wherein three groups include 16 photodiodes parallel with one another, and remaining one group is 24 photodiodes parallel with one another.
The beneficial effect that the utility model compared with prior art produces is:
a kind of intelligent rapid detector for pesticide residue of the present utility model has simple in structure, easy to use, the characteristics such as be skillfully constructed, its structure suppresses method based on enzyme and fluorescence intensity regularity under different PH changes and designs, adopt the microprocessor that built-in power drives to control the LED demonstration, detect and data transmission, need not professional's operation, oneself shows the effect of quantitative testing result, complete again automatic detection after surveying by fluorescence probe, integral manufacturing is with low cost, easy operating, Multiple Pesticides can be detected residual, accuracy of detection is high, be easy to carry about with one, be easy to promote.
Description of drawings
Accompanying drawing 1 is structural representation block diagram of the present utility model.
Accompanying drawing 2 is color sensor schematic diagram of the present utility model.
Accompanying drawing 3 is microprocessor extensions connection diagrams of the present utility model.
Mark in accompanying drawing represents respectively:
1, fluorescence probe, 2, color sensor, 2.1, photodiode, 2.2, the IF converter, 3, microprocessor, 4, CPLD, 5, driver module, 6, the data buffering module, 7, display screen, 8, automatic brightness control circuit, 9, the RS232 interface, 10, the CF card, 11, RJ45 interface, 12, the JTAG debugging interface, 13, SDRAM, 14, FLASH, 15, power circuit.
Embodiment
Below in conjunction with accompanying drawing, a kind of intelligent rapid detector for pesticide residue of the present utility model is described in detail below.
As accompanying drawing 1, Fig. 2, shown in Figure 3, this a kind of intelligent rapid detector for pesticide residue, comprise the color sensor 2, microprocessor 3, CPLD4, driver module 5, data buffering module 6 and the display screen 7 that are linked in sequence, described microprocessor 3 is connected with the CPLD4 two-way communication, described microprocessor 3 is also expanded and is connected with automatic brightness control circuit 8, RS232 interface 9, CF card 10, RJ45 interface 11, JTAG debugging interface 12, SDRAM13, FLASH14 and power circuit 15, and above-mentioned color sensor 2 also is connected with fluorescence probe 1.
In technique scheme, microprocessor 3 is selected the microprocessor of ARM series, here select the S3C44BOX chip of Samsung, this chip is based on the COMS standard block of ARM7TDMI core and 0.25m and memory development, the size of current that the groundwork chamber storage of this chip detects and the corresponding relation of pesticide concentration, control the AD converter sampling, draws pesticide concentration corresponding to electric current that gathers, and show on display screen 7, this display screen 7 can adopt LCD display or LED display.
Described color sensor 2 built in light electric diodes 2.1 and IF converter 2.2, wherein IF converter 2.2 and microprocessor 3 communication connections.
Described photodiode 2.1 is provided with different four groups totally 88 of color, and wherein three groups include 16 photodiodes parallel with one another 2.1, and remaining one group is 24 photodiodes parallel with one another 2.1.General, first three groups provides red bluish-green three kinds of base color, another group contains the white that is of 24 diodes, can reduce to greatest extent the unevenness of incident light like this, so the diode with color is all be connected in parallel and be uniformly distributed, select the frequency of red bluish-green three looks of color filter and output correspondence by programmable pin, general, the output frequency of this three look is 2Hz～500kHz, and dutycycle is 50%.
Except the described technical characterictic of instructions, be the known technology of those skilled in the art.
Claims (3)
1. intelligent rapid detector for pesticide residue, it is characterized in that: comprise the color sensor, microprocessor, CPLD, driver module, data buffering module and the display screen that are linked in sequence, described microprocessor is connected with the CPLD two-way communication, described microprocessor is also expanded and is connected with automatic brightness control circuit, RS232 interface, CF card, RJ45 interface, JTAG debugging interface, SDRAM, FLASH and power circuit, and above-mentioned color sensor also is connected with fluorescence probe.
2. a kind of intelligent rapid detector for pesticide residue according to claim 1, it is characterized in that: described color sensor built in light electric diode and IF converter, wherein the IF converter is connected with microprocessor communication.
3. a kind of intelligent rapid detector for pesticide residue according to claim 2, it is characterized in that: described photodiode is provided with different four groups totally 88 of color, wherein three groups include 16 photodiodes parallel with one another, and remaining one group is 24 photodiodes parallel with one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202511981U CN203287315U (en) | 2013-05-10 | 2013-05-10 | Intelligent type instrument for quickly detecting pesticide residues |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202511981U CN203287315U (en) | 2013-05-10 | 2013-05-10 | Intelligent type instrument for quickly detecting pesticide residues |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203287315U true CN203287315U (en) | 2013-11-13 |
Family
ID=49543671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202511981U Expired - Fee Related CN203287315U (en) | 2013-05-10 | 2013-05-10 | Intelligent type instrument for quickly detecting pesticide residues |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203287315U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018715A (en) * | 2016-05-03 | 2016-10-12 | 成都亿信标准认证集团有限公司 | Automatic grain pesticide residue detection system |
| TWI743691B (en) * | 2020-02-27 | 2021-10-21 | 台灣麥匯資訊科技股份有限公司 | Agricultural product inspection and sales system and method |
-
2013
- 2013-05-10 CN CN2013202511981U patent/CN203287315U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018715A (en) * | 2016-05-03 | 2016-10-12 | 成都亿信标准认证集团有限公司 | Automatic grain pesticide residue detection system |
| TWI743691B (en) * | 2020-02-27 | 2021-10-21 | 台灣麥匯資訊科技股份有限公司 | Agricultural product inspection and sales system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100545631C (en) | Multifunctional light absorption, scattering and emission spectrometer based on surface plasma-wave | |
| CN103267588B (en) | Junction temperature testing method based on temperature variation of LED (light-emitting diode) relative spectrum | |
| CN203949857U (en) | Hand-held colloidal gold strip card reader | |
| CN204389386U (en) | A kind of multispectral transmission, scattered light urbidmetry and chemiluminescence reflectometry detection detection head and detection turbidimeter | |
| CN203324165U (en) | Multi-channel pollutant rapid fluorescence detector | |
| CN106053404A (en) | A portable multi-waveband fluorescence detection trace compound analyzer | |
| CN103630509A (en) | On-line pesticide concentration detection device and method | |
| CN106771005A (en) | Food security integral comprehensive detection device | |
| CN202216949U (en) | Rapid food safety inspection instrument | |
| CN103884700A (en) | Fluorescent whitening agent detector and detection method thereof | |
| CN106644402A (en) | Integrating sphere and measurement method thereof | |
| CN106526127A (en) | Multifunctional soil detection and analysis equipment | |
| CN203287315U (en) | Intelligent type instrument for quickly detecting pesticide residues | |
| CN204903484U (en) | Ultraviolet capillary column goes up check out test set | |
| CN101261218A (en) | Textile optical performance parameter measuring equipment based on double-integrating-sphere | |
| CN1295494C (en) | Integrated minisize optical analyser | |
| CN201788147U (en) | Optical-fiber probe type soil nutrient tester | |
| CN205786335U (en) | Portable food detector | |
| CN104931636A (en) | Ultraviolet capillary column detector based on CCD | |
| CN204214770U (en) | Based on the multichannel light optical fiber spectrograph of cmos image sensor | |
| CN103398946B (en) | A kind of color of liquid with reference transmission method pick-up unit | |
| CN2655229Y (en) | Multi-channel atomic fluorescent spectrograph | |
| CN203224444U (en) | Soil nutrient detection system based on reflection image analysis | |
| CN105067652A (en) | Movable type combination device fast measuring specific components in fertilizer | |
| CN105997040B (en) | A kind of heart rate sensor detection device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20150510 |
|
| EXPY | Termination of patent right or utility model |