CN105181608A - Rapid detection device and detection method for pesticide residues - Google Patents
Rapid detection device and detection method for pesticide residues Download PDFInfo
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- CN105181608A CN105181608A CN201510571933.0A CN201510571933A CN105181608A CN 105181608 A CN105181608 A CN 105181608A CN 201510571933 A CN201510571933 A CN 201510571933A CN 105181608 A CN105181608 A CN 105181608A
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- screen holder
- detection device
- housing
- light
- optical filtering
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Abstract
The invention discloses a rapid detection device for pesticide residues. The rapid detection device comprises a shell, wherein a light filter lens rack inserting groove is formed in the upper surface of the shell; a front cover and a rear cover are arranged on the shell; the rapid detection device is characterized in that a circuit board is mounted on the rear cover; an ultraviolet high-pressure mercury lamp is mounted in front of the control panel; light filter lens racks are inserted into the light filter lens rack inserting groove and are distributed in front of the ultraviolet high-pressure mercury lamp; a first light filter lens and a second light filter lens are mounted on a light filter lens rack; the rapid detection device is easy to operate, high in detection speed, small in size and convenient to carry, and can rapidly detect the pesticide residues on the surface of food; meanwhile, different light filter lenses can be replaced by replacing different light filter lens racks quickly, so that different types of pesticide residues can be detected; therefore, the rapid detection device is high in universality, and is applicable to popularize and use.
Description
Technical field
The present invention relates to a kind of pesticide detection device, be specifically related to a kind of Rapid pesticide residue detection device on food and detection method thereof, belong to technical field of food detection.
Background technology
In recent years, along with the raising of people's living standard, people also more and more pay attention to food Pesticide Residue.For this reason, many countries have formulated the maximum residue limit(MRL) of agricultural chemicals in food (MRLs), and the import and export of crops all require that residues of pesticides will lower than the MRLs of various countries.Along with China joined WTO, the import and export of crops will constantly expand, and the examination criteria of food residues of pesticides and international standard integrate with and just become more and more important, therefore analyze residual the having great significance detecting food agricultural chemicals.
The information such as distribution kind and concentration that first Control and treatment will detect agricultural chemicals to be carried out to the pollution by pesticides of food surface.Use chemical analysis method in the past to detect pollution by pesticides, classify to be the work of the long-time and huge manpower and materials of needs.And detect by laser Induced Fluorescence Technology, its sensitivity is higher, simple, the detection that can carry out real-time on-site.
As Patent publication No CN201589749U discloses a kind of embedded instrument for detecting pesticide residue through, it is characterized in that, comprise photodetector system, data acquisition system (DAS) and touch-screen, photodetector system is transformed into electric signal persticide residue, after amplifying, send data acquisition system (DAS) that analog-signal transitions is become digital signal, digital signal transmits touch-screen and carries out testing result display and testing process control, described photodetector system is by laser diode, optical filtering, cuvette, silicon photocell, amplifying circuit forms, described data acquisition system (DAS) is by single-chip microcomputer, data acquisition chip and communication chip are formed, described touch-screen selects TPC7062KX, communicated with data acquisition system (DAS) by serial ports RS232, the signal detected through silicon photocell in described photodetector system is sent to data acquisition chip, the data of data acquisition chip collection are sent to touch-screen by communication chip after single-chip microcomputer process, and single-chip microcomputer accepts the data command that touch-screen sends simultaneously.
And for example Patent publication No CN103454435A discloses a kind of pesticide residue detection device, especially a kind of portable dithiocarbamate pesticide residue detector.This portable dithiocarbamate pesticide residue detector comprises wireway, charger, reactor, absorber and heating arrangement, reactor its be the container filling detected sample and stannous chloride solution, charger imports distilled water by solution dilution in this reactor by being connected with reactor catheter, wireway imports nitrogen by being connected with reactor, simultaneous reactions device bottom is by heating devices heat, dithiocarbamate and stannous chloride solution generated reactive gas in detected sample, and the nitrogen passed into develops the color online by producing in nitrite ion that gas is sent in absorber.After adopting appeal technical scheme, the utility model has that rational in infrastructure, simple to operate, detection speed is fast, cost is lower, operation subsidiary reaction is few and detection efficiency advantages of higher.
At present, for the residues of pesticides of food surface, need to carry out extraction inspection to food, such speed is slow, and the result stand-by period is long, can not meet the demand detected fast in enormous quantities.
Summary of the invention
Instant invention overcomes prior art Problems existing, propose a kind of Rapid pesticide residue detection device and detection method thereof, this device can detect the residues of pesticides of food surface fast, detection speed is fast, compact, change different optical filterings by the screen holder that quick-replaceable is different simultaneously, dissimilar residues of pesticides can be detected like this, highly versatile.
Concrete technical scheme of the present invention is as follows: Rapid pesticide residue detection device, comprise housing, screen holder slot is located at housing upper face, described housing is provided with protecgulum and bonnet, it is characterized in that: described bonnet is provided with circuit board, ultraviolet high-pressure mercury-vapor lamp is arranged on control panel front, and screen holder is inserted through screen holder slot and is laid in ultraviolet high-pressure mercury-vapor lamp front, described screen holder is provided with optical filtering one and optical filtering two; Described optical filtering one front is provided with photomask one, and described photomask one is connected with fibre bundle one, and described fibre bundle one front is provided with concavees lens one, and reflective mirror one is arranged on concavees lens one front; Described optical filtering two is connected with fibre bundle two, and fibre bundle two is connected with photomask two, and reflective mirror two is arranged on photomask two front, and described protecgulum is provided with convex lens; Described housing is connected with shoulder belt by snap close, and described snap close is locked on housing.
Preferentially, be provided with sleeve bottom described screen holder, spring two is arranged on below sleeve; Described screen holder side is provided with sliding card structure, and case inside is provided with the notch embedded for sliding card structure, and thimble is arranged on sliding card structure side, and on described thimble, cover has spring one, and described spring one is provided with button, and described button is placed in hull outside wall.Described screen holder adopts mold injection to form.
Preferentially, described housing is also provided with control inerface.
Preferentially, be provided with handle above described housing, be provided with lithium battery in described handle, dismounting lid is located at handle bottom, and described handle is also provided with switch.
In addition, present invention also offers a kind of method of fast detecting pesticide residue, it is characterized in that, comprise the following steps:
1) kind first determining to detect agricultural chemicals chooses different optical filterings one and optical filtering two, loads in screen holder slot by screen holder activity;
2) be energized by switch open device, the light source that ultraviolet high-pressure mercury-vapor lamp sends is filtered by optical filtering one, then light source is converted into light signal by photomask one and sends into and be transferred on concavees lens one in fibre bundle one;
3) divergence of beam that will transmit of concavees lens one, its light enters reflective mirror one, and a part of light therethrough reflective mirror one enters convex lens and light gathered the food surface that will detect, and another part reflexes on reflective mirror two;
4) by the principle of reversibility of light, light returns above reflective mirror one along former road, again carries out reflexing on reflective mirror two;
5) light source is converted into and is transferred on optical filtering two in light signal feeding fibre bundle two by photomask two, and the light of optical filtering two to passback enters spectroanalysis instrument after carrying out filtering screening and analyzes wavelength;
6) result shown on control inerface after spectroanalysis instrument analysis, detection completes.
Beneficial effect of the present invention: the present invention is simple to operate, can detect the residues of pesticides of food surface fast, and detection speed is fast, and compact, is easy to carry; Change different optical filterings by the screen holder that quick-replaceable is different simultaneously, dissimilar residues of pesticides can be detected like this, highly versatile, be applicable to promoting the use of.
Accompanying drawing explanation
Fig. 1 is the structural representation of Rapid pesticide residue detection device of the present invention;
Fig. 2 is the cut-away view of Rapid pesticide residue detection device of the present invention;
Fig. 3 is the structural representation of screen holder.
Embodiment
As Figure 1-3, a kind of Rapid pesticide residue detection device of the present invention, comprise housing 51, screen holder slot 2 is located at above housing 51, and housing 51 is also provided with control inerface 3, and control inerface 3 lies in above housing 51, is provided with regulation and control button above it.Be provided with handle 15 above housing 51, be provided with lithium battery 14 in described handle 15, dismounting lid 8 is located at handle 15 bottom, and described handle 15 is also provided with switch 6, and switch 6 is reset switch; Described housing 51 is connected with shoulder belt 31 by snap close 31, and described snap close 31 is locked on housing 51, when carrying at ordinary times, by shoulder belt 31 by the instrument back of the body piggyback.
Housing 51 is provided with protecgulum 4 and bonnet 1; described protecgulum 4 is provided with detachable protective cover 33 above; described bonnet 1 is provided with circuit board 9, and ultraviolet high-pressure mercury-vapor lamp 10 is arranged on control panel 9 front, and intensive ultraviolet high-pressure mercury-vapor lamp selected by ultraviolet high-pressure mercury-vapor lamp 10.Screen holder 12 is inserted through screen holder slot 2 and is laid in ultraviolet high-pressure mercury-vapor lamp 10 front, described screen holder 12 is provided with optical filtering 1 and optical filtering 2 24, and optical filtering 1 and optical filtering 2 24 are detachable installation.
Optical filtering 1 front is provided with photomask 1, and described photomask 1 is connected with fibre bundle 1, and described fibre bundle 1 front is provided with concavees lens 1, and reflective mirror 1 is arranged on concavees lens 1 front; Described optical filtering 2 24 is connected with fibre bundle 2 22, and fibre bundle 2 22 is connected with photomask 2 21, and reflective mirror 2 20 is arranged on photomask 2 21 front, and described protecgulum 4 is provided with convex lens 19.Fibre bundle 1 and fibre bundle 2 22 are fixed on stock, and concavees lens 1 and photomask 2 21 are arranged on mirror holder two side by side, reflective mirror 1 and reflective mirror 2 20 side by side and tilt install, meet the reflection demand of light.
Be provided with sleeve 1205 bottom screen holder 12, spring 2 1206 is arranged on below sleeve 1205; Described screen holder 12 side is provided with sliding card structure 1204, the notch embedded for sliding card structure 1204 is provided with inside housing 51, thimble 1201 is arranged on sliding card structure 1204 side, on described thimble 1201, cover has spring 1, described spring 1 is provided with button 7, and described button 7 is placed in housing 51 lateral wall.Described screen holder 12 adopts mold injection to form.The present invention detects different agricultural chemicals to adapt to, and screen holder 12 is movably arranged on housing 51 inside, and snap in notch by sliding card structure 1204, namely screen holder 12 is fixed.When needs take out, by pressing button 7, thimble 1201 is moved to the inside cunning card structure 1204 inwardly extruded, the resilience when sliding card structure 1204 loses constraint mechanism of spring 2 1206 simultaneously bottom screen holder 12, ejects screen holder 12 and changes light microscopic 1 and optical filtering 2 24.
In addition, based on said apparatus, present invention also offers a kind of method of fast detecting pesticide residue, it is characterized in that, comprise the following steps:
1) kind first determining to detect agricultural chemicals chooses different optical filterings 1 and optical filtering 2 24, and loaded in screen holder slot 2 by screen holder 12 activity, the effect of optical filtering 1 and optical filtering 2 24 is filtered out by the veiling glare in light;
2) be energized by switch 6 opening device, the light source that ultraviolet high-pressure mercury-vapor lamp 10 sends is filtered by optical filtering 1, then light source is converted into light signal by photomask 1 to send into and be transferred on concavees lens 1 in fibre bundle 1, the effect of concavees lens 1 closes line to disperse;
3) concavees lens 1 divergence of beam that fibre bundle 1 is transmitted, its light enters reflective mirror 1, part light therethrough reflective mirror 1 enters convex lens 19 and light is gathered the food surface that will detect, and another part reflexes on reflective mirror 2 20;
4) impinge upon the principle of reversibility of the light on food surface by light, light returns above reflective mirror 1 along former road, again carries out reflexing on reflective mirror 2 20;
5) light source is converted into and is transferred on optical filtering 2 24 in light signal feeding fibre bundle 2 22 by photomask 2 21, and the light of optical filtering 2 24 to passback enters spectroanalysis instrument after carrying out filtering screening and analyzes wavelength;
6) result shown on control inerface 3 after spectroanalysis instrument analysis, detection completes.
In addition to the implementation, the present invention can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of application claims.
Claims (6)
1. Rapid pesticide residue detection device, comprise housing (51), screen holder slot (2) is located at above housing (51), described housing (51) is provided with protecgulum (4) and bonnet (1), it is characterized in that: described bonnet (1) is provided with circuit board (9), ultraviolet high-pressure mercury-vapor lamp (10) is arranged on control panel (9) front, screen holder (12) is inserted through screen holder slot (2) and is laid in ultraviolet high-pressure mercury-vapor lamp (10) front, described screen holder (12) is provided with optical filtering one (23) and optical filtering two (24); Described optical filtering one (23) front is provided with photomask one (13), described photomask one (13) is connected with fibre bundle one (16), described fibre bundle one (16) front is provided with concavees lens one (17), and reflective mirror one (18) is arranged on concavees lens one (17) front; Described optical filtering two (24) is connected with fibre bundle two (22), and fibre bundle two (22) is connected with photomask two (21), and reflective mirror two (20) is arranged on photomask two (21) front, described protecgulum (4) is provided with convex lens (19); Described housing (51) is connected with shoulder belt (31) by snap close (31), and described snap close (31) is locked on housing (51).
2. Rapid pesticide residue detection device according to claim 1, is characterized in that: described screen holder (12) bottom is provided with sleeve (1205), and spring two (1206) is arranged on sleeve (1205) below; Described screen holder (12) side is provided with sliding card structure (1204), housing (51) inner side is provided with the notch embedded for sliding card structure (1204), thimble (1201) is arranged on sliding card structure (1204) side, the upper cover of described thimble (1201) has spring one (1202), described spring one (1202) is provided with button (7), and described button (7) is placed in housing (51) lateral wall.
3. Rapid pesticide residue detection device according to claim 2, is characterized in that: described screen holder (12) adopts mold injection to form.
4. according to the Rapid pesticide residue detection device in claim 1-3 described in any one, it is characterized in that: described housing (51) is also provided with control inerface (3).
5. Rapid pesticide residue detection device according to claim 1, it is characterized in that: described housing (51) top is provided with handle (15), lithium battery (14) is installed in described handle (15), dismounting lid (8) is located at handle (15) bottom, described handle (15) is also provided with switch (6).
6. use a method for the device fast detecting pesticide residue described in claim 1, it is characterized in that, comprise the following steps:
First the kind determining to detect agricultural chemicals chooses different optical filterings one (23) and optical filtering two (24), loads in screen holder slot (2) by screen holder (12) activity;
2) be energized by switch (6) opening device, the light source that ultraviolet high-pressure mercury-vapor lamp (10) sends is filtered by optical filtering one (23), then light source is converted into light signal by photomask one (13) and sends into and be transferred on concavees lens one (17) in fibre bundle one (16);
3) divergence of beam that will transmit of concavees lens one (17), its light enters reflective mirror one (18), part light therethrough reflective mirror one (18) enters convex lens (19) and light is gathered the food surface that will detect, and another part reflexes on reflective mirror two (20);
4) by the principle of reversibility of light, light returns above reflective mirror one (18) along former road, again carries out reflexing on reflective mirror two (20);
5) light source is converted into and is transferred on optical filtering two (24) in light signal feeding fibre bundle two (22) by photomask two (21), and the light of optical filtering two (24) to passback enters spectroanalysis instrument after carrying out filtering screening and analyzes wavelength;
6) result above shown at control inerface (3) after spectroanalysis instrument analysis, detection completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571933.0A CN105181608B (en) | 2015-09-10 | 2015-09-10 | Rapid pesticide residue detection device and its detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571933.0A CN105181608B (en) | 2015-09-10 | 2015-09-10 | Rapid pesticide residue detection device and its detection method |
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| Publication Number | Publication Date |
|---|---|
| CN105181608A true CN105181608A (en) | 2015-12-23 |
| CN105181608B CN105181608B (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510571933.0A Expired - Fee Related CN105181608B (en) | 2015-09-10 | 2015-09-10 | Rapid pesticide residue detection device and its detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770084A (en) * | 2016-11-23 | 2017-05-31 | 百奥森（江苏）食品安全科技有限公司 | A kind of vegetable pesticide residue detection means |
| CN108489936A (en) * | 2018-04-08 | 2018-09-04 | 吉林省富生医疗器械有限公司 | A kind of domestic type cystatin C concentration Quick testing instrument and its assay method |
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| CN2593187Y (en) * | 2002-12-19 | 2003-12-17 | 上海精密科学仪器有限公司 | Multi-channel spectral apparatus of pesticide residue rapid-measuring instrument |
| WO2006091248A2 (en) * | 2005-02-18 | 2006-08-31 | Bio-Chek Llc | Pesticide detector and method |
| CN102818225A (en) * | 2011-06-07 | 2012-12-12 | 海洋王照明科技股份有限公司 | Quick changing device of optical filter of dodging lamp |
| CN103499528A (en) * | 2013-09-30 | 2014-01-08 | 重庆大学 | Quick spectrum detection system for pesticide residues |
-
2015
- 2015-09-10 CN CN201510571933.0A patent/CN105181608B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2593187Y (en) * | 2002-12-19 | 2003-12-17 | 上海精密科学仪器有限公司 | Multi-channel spectral apparatus of pesticide residue rapid-measuring instrument |
| WO2006091248A2 (en) * | 2005-02-18 | 2006-08-31 | Bio-Chek Llc | Pesticide detector and method |
| CN102818225A (en) * | 2011-06-07 | 2012-12-12 | 海洋王照明科技股份有限公司 | Quick changing device of optical filter of dodging lamp |
| CN103499528A (en) * | 2013-09-30 | 2014-01-08 | 重庆大学 | Quick spectrum detection system for pesticide residues |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106770084A (en) * | 2016-11-23 | 2017-05-31 | 百奥森（江苏）食品安全科技有限公司 | A kind of vegetable pesticide residue detection means |
| CN108489936A (en) * | 2018-04-08 | 2018-09-04 | 吉林省富生医疗器械有限公司 | A kind of domestic type cystatin C concentration Quick testing instrument and its assay method |
| CN108489936B (en) * | 2018-04-08 | 2024-03-19 | 吉林省富生医疗器械有限公司 | Household cystatin C concentration rapid tester and testing method thereof |
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| CN105181608B (en) | 2018-01-05 |
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