CN105158160A - Handheld type pesticide residue detection device and detection method thereof - Google Patents
Handheld type pesticide residue detection device and detection method thereof Download PDFInfo
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- CN105158160A CN105158160A CN201510572565.1A CN201510572565A CN105158160A CN 105158160 A CN105158160 A CN 105158160A CN 201510572565 A CN201510572565 A CN 201510572565A CN 105158160 A CN105158160 A CN 105158160A
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- screen holder
- light
- optical filtering
- reflective mirror
- photomask
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Abstract
The invention discloses a handheld type pesticide residue detection device which comprises a shell, wherein a filter lens frame slot is formed on the shell; a front cover and a rear cover are arranged on the shell; the device is characterized in that a circuit board is mounted on the rear cover; an ultraviolet ray high-pressure mercury lamp is mounted on the front side of a control panel; a filter lens frame penetrates through the filter lens frame slot and is arranged on the front side of the ultraviolet ray high-pressure mercury lamp; and a first filter lens and a second filter lens are mounted on the filter lens frame. The handheld type pesticide residue detection device is simple in operation and can be used for quickly detecting the pesticide residue on the surface of food; the detection speed is high; the volume is small, so that the device is convenient to take; different filter lenses can be replaced by quickly replacing different filter lens frames, so that different pesticide residues can be detected; the universality is strong; and the device is fit for popularization and application.
Description
Technical field
The present invention relates to a kind of pesticide detection device, be specifically related to a kind of Handheld Pesticide Analyzer 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 instrument for detecting pesticide residue through with wireless transmission function, it comprises: detection module, for analyzing testing sample, and obtains the persticide residue data in testing sample; Communication module, is connected with described detection module, transfers to monitoring module for the persticide residue data obtained by described detection module; Monitoring module, is connected with described communication module, for receiving described persticide residue data.The instrument for detecting pesticide residue through of wireless transmission function that what the utility model provided have has the feature of portability, easy to use, particularly conveniently patrols and examines use; In addition, described instrument for detecting pesticide residue through has wireless transmission function, by detection real-time data transmission to Surveillance center, can facilitate the informationalized construction of Circulation of Agricultural Products.
And for example Patent publication No CN103454435A discloses a kind of Handheld Pesticide Analyzer 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 Handheld Pesticide Analyzer 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: Handheld Pesticide Analyzer 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; Be connected with frenulum below described protecgulum, above frenulum, be connected with sheath.
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 Handheld Pesticide Analyzer residue detection device of the present invention;
Fig. 2 is the cut-away view of Handheld Pesticide Analyzer residue detection device of the present invention;
Fig. 3 is the structural representation of screen holder.
Embodiment
As Figure 1-3, a kind of Handheld Pesticide Analyzer residue detection of the present invention device, 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 dismounting lid 8 is also provided with charging inlet 41 below, and described handle 15 is also provided with switch 6, and switch 6 is reset switch.Described protecgulum 4 is connected with frenulum 42 below, and frenulum 42 is connected with sheath 43 above.
Housing 51 is provided with protecgulum 4 and bonnet 1, and 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. Handheld Pesticide Analyzer 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 protecgulum (4) is connected with frenulum (42) below, and frenulum (42) is connected with sheath (43) above.
2. Handheld Pesticide Analyzer 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. Handheld Pesticide Analyzer residue detection device according to claim 2, is characterized in that: described screen holder (12) adopts mold injection to form.
4. according to the Handheld Pesticide Analyzer 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. Handheld Pesticide Analyzer 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:
1) kind first 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 |
|---|---|---|---|
| CN201510572565.1A CN105158160A (en) | 2015-09-10 | 2015-09-10 | Handheld type pesticide residue detection device and detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510572565.1A CN105158160A (en) | 2015-09-10 | 2015-09-10 | Handheld type pesticide residue detection device and detection method thereof |
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| Publication Number | Publication Date |
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| CN105158160A true CN105158160A (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510572565.1A Pending CN105158160A (en) | 2015-09-10 | 2015-09-10 | Handheld type pesticide residue detection device and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470640A (en) * | 2018-12-14 | 2019-03-15 | 北京华易明新科技有限公司 | A kind of lubricating oil multiple determination probe based on Visible-to-Near InfaRed absorption spectrum |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006091248A2 (en) * | 2005-02-18 | 2006-08-31 | Bio-Chek Llc | Pesticide detector and method |
| CN102803935A (en) * | 2010-03-31 | 2012-11-28 | 埃科莱布美国股份有限公司 | Fluorometric sensor |
| 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 |
| CN204882352U (en) * | 2015-09-10 | 2015-12-16 | 舟山市智海技术开发有限公司 | Hand -held type pesticide residue detection device |
-
2015
- 2015-09-10 CN CN201510572565.1A patent/CN105158160A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006091248A2 (en) * | 2005-02-18 | 2006-08-31 | Bio-Chek Llc | Pesticide detector and method |
| CN102803935A (en) * | 2010-03-31 | 2012-11-28 | 埃科莱布美国股份有限公司 | Fluorometric sensor |
| 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 |
| CN204882352U (en) * | 2015-09-10 | 2015-12-16 | 舟山市智海技术开发有限公司 | Hand -held type pesticide residue detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470640A (en) * | 2018-12-14 | 2019-03-15 | 北京华易明新科技有限公司 | A kind of lubricating oil multiple determination probe based on Visible-to-Near InfaRed absorption spectrum |
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Application publication date: 20151216 |