CN203132995U - Rapid pesticide residue tester - Google Patents
Rapid pesticide residue tester Download PDFInfo
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- CN203132995U CN203132995U CN 201320123118 CN201320123118U CN203132995U CN 203132995 U CN203132995 U CN 203132995U CN 201320123118 CN201320123118 CN 201320123118 CN 201320123118 U CN201320123118 U CN 201320123118U CN 203132995 U CN203132995 U CN 203132995U
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- pesticide residue
- rapid detector
- optical signal
- residue rapid
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Abstract
The utility model relates to the field of pesticide residue detection of agricultural products, and in particular relates to a rapid pesticide residue tester which comprises a shell, an optical signal generator, an optoelectronic signal conversion device and a chip, wherein the optical signal generator is arranged in the shell and used for generating an optical signal penetrating through a sample to be detected; the optoelectronic signal conversion device is used for converting the optical signal generated by the optical signal generator into an electrical signal; the chip is used for obtaining the pesticide residue concentration according to the electrical signal; the optical signal generator comprises a light source and a mounting hole of a cuvette used for containing the sample to be detected; and the light source, the mounting hole of the cuvette and the optoelectronic signal conversion device are sequentially arranged in a straight line. The rapid pesticide residue tester is small in size and convenient to carry, and can be used for detecting the pesticide residue of the agricultural products in real time.
Description
Technical field
The utility model relates to agricultural product Detecting Pesticide field, relates in particular to a kind of pesticide residue rapid detector.
Background technology
Agricultural product use agricultural insecticide, weeding, sterilization etc. in necessary for growth, and after the agricultural product harvesting was passed to market, it was a very important thing that agricultural product are carried out Detecting Pesticide.
At present agricultural product being carried out the checkout equipment that Detecting Pesticide adopts is chromatograph.This chromatograph belongs to large-sized analytic instrument, except detecting the residues of pesticides, can also carry out purposes such as the analysis of atmospheric water source pollutants, medicine analysis, so the chromatograph volume is bigger, often places in the laboratory.
And agricultural product need to carry out in real time Detecting Pesticide before coming into the market, reducing the time that agricultural product consume before listing, but the chromatograph volume is bigger, carries inconvenience, needing that sample to be detected is taken the laboratory goes to detect the residues of pesticides that can't accomplish to detect in real time agricultural product.
The utility model content
The purpose of this utility model is to provide a kind of pesticide residue rapid detector, and is easy to carry.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of pesticide residue rapid detector, comprise housing, be positioned at described housing the optical signal generating apparatus for generation of the light signal that sees through detected sample, be used for that the light signal that optical signal generating apparatus produces is converted to the photosignal conversion equipment of electric signal and be used for obtaining according to described electric signal the chip of residues of pesticides concentration;
Described optical signal generating apparatus comprises light source and cuvette mounting hole; Described light source, cuvette mounting hole and described photosignal conversion equipment are linearly arranged successively.
Compared with prior art, advantage of the present utility model is: described pesticide residue rapid detector comprises housing and is positioned at the following apparatus of housing: optical signal generating apparatus, photosignal conversion equipment and chip.Wherein optical signal generating apparatus comprises light source and cuvette mounting hole, and described light source cuvette mounting hole and photosignal conversion equipment are linearly arranged successively, and reasonably arrangement mode makes that this pesticide residue rapid detector volume is little, is easy to carry.
Description of drawings
The synoptic diagram of the pesticide residue rapid detector that Fig. 1 provides for the utility model embodiment;
The synoptic diagram of the optical signal generating apparatus that Fig. 2 provides for the utility model embodiment;
The external structure of the pesticide residue rapid detector that Fig. 3 provides for the utility model embodiment;
The outside drawing of the pesticide residue rapid detector that Fig. 4 provides for the utility model embodiment;
The structural drawing of the optical signal generating apparatus that Fig. 5 provides for the utility model embodiment;
The synoptic diagram of the optical signal generating apparatus that Fig. 6 provides for the utility model embodiment;
The vertical view of the optical signal generating apparatus that Fig. 7 provides for the utility model embodiment.
Embodiment
Below with reference to accompanying drawing the technical scheme of each embodiment of the utility model is carried out clear, complete description, obviously, described embodiment only is a part of embodiment of the present utility model, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are resulting all other embodiment under the prerequisite of not making creative work, all belong to the scope that the utility model is protected.
Embodiment 1
Before the pesticide residue rapid detector that present embodiment provides detects sample to be detected, at first get fruits and vegetables agricultural products 2g to be detected, adding PH is 7.4 phosphate buffer, and ultrasonic extraction 7 minutes was left standstill 1 minute then.Get the above-mentioned sample extracting solution of 2ml and inject cuvette, add enzyme and each 100ul of substrate, temperature control 25 degree left standstill 3 minutes, and then added developer 100ul, and temperature control 36-37 degree leaves standstill and obtained detected sample solution in 3 minutes.The cuvette that will contain detected sample solution is put into the cuvette mounting hole of this pesticide residue rapid detector, measures then.
The detection method that the pesticide residue rapid detector that present embodiment provides adopts is the enzyme inhibition rate method.Utilize organophosphorus and carbamate chemicals for agriculture can suppress the activity of acetylcholinesterase in insect maincenter and the peripheral nervous system specifically, neurolytic normal conduction makes deadly this toxicology principle of insect poisoning.If do not contain corresponding agricultural chemicals in the sample extracting solution or residual quantity is extremely low, enzymatic activity is not suppressed, substrate hydrolysis under the effect of acetylcholinesterase (AChE), and hydrolysate and developer produce chromogenic reaction, make the solution of surveying be yellow, at the 410nm place absorption maximum is arranged.Otherwise if contain the residual quantity of higher corresponding agricultural chemicals in the sample extracting solution, enzymatic activity is suppressed, not hydrolysis of substrate or hydrolysis seldom, absorption dies down at the 410nm place to make institute's solution of surveying.Can record different liquid to be measured with this pesticide residue rapid detector and be suppressed degree (representing with inhibiting rate) in 410nm place enzymatic activity.Just judge the height of organophosphorus in the detected sample or carbamate chemicals for agriculture content by inhibiting rate.
Particularly, as shown in Figure 1, the pesticide residue rapid detector of present embodiment, comprise housing, be positioned at described housing the optical signal generating apparatus 101 for generation of the light signal that sees through detected sample, be used for that the light signal that optical signal generating apparatus 101 produces is converted to the photosignal conversion equipment 102 of electric signal and be used for obtaining according to described electric signal the chip 103 of residues of pesticides concentration.
As shown in Figure 2, described optical signal generating apparatus 101 comprises light source 201 and cuvette mounting hole 203; Described light source 201, cuvette mounting hole 203 and described photosignal conversion equipment 102 are linearly arranged successively.
Described pesticide residue rapid detector comprises housing and is positioned at the following apparatus of housing: optical signal generating apparatus 101, photosignal conversion equipment 102 and chip 103.Wherein optical signal generating apparatus 101 comprises light source 201 and cuvette mounting hole 203, described light source 201, cuvette mounting hole 203 and photosignal conversion equipment 102 are linearly arranged successively, rational arrangement mode, make that the volume of optical signal generating apparatus is little, and this pesticide residue rapid detector only possesses the Detecting Pesticide function, the function that does not have existing gas chromatograph complexity, gas chromatograph is little thereby the volume of pesticide residue rapid detector compares, and is easy to carry.
In the present embodiment, this pesticide residue rapid detector only possesses the function of Detecting Pesticide, and the reasonable Arrangement of the light source of optical signal generating apparatus and cuvette mounting hole and photosignal conversion equipment, make that the volume of this pesticide residue rapid detector is little, easy to carry.In order to embody other characteristics of this pesticide residue rapid detector, will in embodiment 2, be further described the pesticide residue rapid detector among the embodiment 1 below.
Embodiment 2
As shown in figures 1 and 3, the pesticide residue rapid detector of present embodiment, comprise housing 301, be positioned at described housing 301 the optical signal generating apparatus 101 for generation of the light signal that sees through detected sample, be used for that the light signal that optical signal generating apparatus 101 produces is converted to the photosignal conversion equipment 102 of electric signal and be used for obtaining according to described electric signal the chip 103 of residues of pesticides concentration.
As shown in Figure 2, described optical signal generating apparatus 101 comprises light source 201 and cuvette mounting hole 203; Described light source 201, cuvette mounting hole 203 and described photosignal conversion equipment 102 are linearly arranged successively.
Further, described optical signal generating apparatus 101 also comprises optical filter 202; Described optical filter 202 and is linearly arranged with described light source 201, cuvette mounting hole 203, photosignal conversion equipment 102 between described light source 201 and described cuvette mounting hole 203 successively.The light signal that described light source 201 sends is after mating plate 202 filters after filtration, pass cuvette mounting hole 203 again, the intensity of light signal reduces, and described photosignal conversion equipment 102 is converted to electrical signal transfer with this light signal and gives chip 103 after receiving this light signal.
As Fig. 3, Fig. 4, Fig. 5, Fig. 6, shown in Figure 7, in order to make the stationkeeping of arranging of above-mentioned light source 201, optical filter 202, cuvette mounting hole 203 and photosignal conversion equipment 102, as shown in Figure 3, described optical signal generating apparatus 102 also comprises fixed block 501;
Described cuvette mounting hole 203 is arranged on the described fixed block 501; Described housing 301 is provided with first opening 302, and described first opening 302 cooperates with described cuvette mounting hole 203.Behind the cuvette splendid attire sample to be detected, be placed in the cuvette mounting hole 203 of described fixed block 501.
Described fixed block 501 is provided with second hole and the 3rd hole 505 that is communicated with described cuvette mounting hole 203; The central axis in described second hole and described the 3rd hole 505 point-blank;
Described light source is positioned at described second hole, and described photosignal conversion equipment is positioned at the lateral surface of described fixed block 501 and described the 3rd hole 505 is covered.Be that described light source is fixed in second hole, the light signal that light source sends passes the cuvette mounting hole, arrive the 3rd hole 505, because the photosignal conversion equipment covers the 3rd hole 505, then light signal passes the 3rd hole 505 and arrives the photosignal device, described photosignal conversion equipment is converted to electric signal with light signal after receiving this light signal, pass to chip.
Further, described fixed block 501 also comprises the 4th hole 502 and the filter 503 that is placed in described the 4th hole 502;
Described filter 503 is provided with the 5th hole, and described the 5th hole and described second hole, the 3rd hole 505 are point-blank; Described optical filter is positioned at the 5th hole of described filter 503.
Further, described pesticide residue rapid detector also comprises the output unit 104 for output test data; Described output unit 104 comprises display screen 305; Described housing 301 comprises second opening; Described display screen 305 is positioned at described second opening, and is electrically connected with described chip.After described chip receives electric signal, according to this electric signal, the residues of pesticides concentration of the rate that is inhibited and detected sample sends to described display screen demonstration with inhibiting rate and residues of pesticides concentration then, makes the demonstration that this pesticide residue rapid detector can be real-time detect data.
Further, described output unit 104 also comprises RS232 interface 402 and USB interface 403; Described RS232 interface 402 and USB interface 403 are electrically connected with described chip respectively.Pesticide residue rapid detector can be connected with computing machine by RS232, carries out the mutual of data.In addition, described pesticide residue rapid detector can also be connected with USB flash disk by USB interface, and data are stored.
Further, described pesticide residue rapid detector also comprises input media; Described input media comprises four buttons 306; Four described buttons are positioned on the described housing 301 and with chip and are electrically connected.Four buttons can arrange the parameter of this pesticide residue rapid detector.
Further, described pesticide residue rapid detector also comprises supply unit; Described supply unit comprises for the external power interface 401 that is connected with external power source and the built-in power device that is used for being connected battery.This pesticide residue rapid detector can external power adapter be its power supply when work, also can use four batteries to be its power supply.
In addition, described pesticide residue rapid detector also comprises the loam cake 303 that covers for first opening 302 with described housing 301; Described loam cake 303 is rotatably connected with described housing 301.In cuvette being placed on described cuvette mounting hole 203, loam cake 303 covers first opening 302 then, avoids light from outside to influence the light signal that optical signal generating apparatus produces.
Preferably, described light source is the LED lamp of the light beam of 410nm for producing wavelength.
The described pesticide residue rapid detector of present embodiment not only can be applied in wholesale market of agricultural products because volume is little, easy to carry, farm produce production base, can also be applied to places such as rural area, canteen, detect in real time, guarantee people's safe agricultural product that secure good health.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. pesticide residue rapid detector, it is characterized in that, comprise housing, be positioned at described housing the optical signal generating apparatus for generation of the light signal that sees through detected sample, be used for that the light signal that optical signal generating apparatus produces is converted to the photosignal conversion equipment of electric signal and be used for obtaining according to described electric signal the chip of residues of pesticides concentration;
Described optical signal generating apparatus comprises light source and cuvette mounting hole; Described light source, cuvette mounting hole and described photosignal conversion equipment are linearly arranged successively.
2. pesticide residue rapid detector as claimed in claim 1 is characterized in that, described optical signal generating apparatus also comprises optical filter;
Described optical filter and is linearly arranged with described light source, cuvette mounting hole, photosignal conversion equipment between described light source and described cuvette mounting hole successively.
3. pesticide residue rapid detector as claimed in claim 2 is characterized in that, described optical signal generating apparatus also comprises fixed block;
Described cuvette mounting hole is arranged on the described fixed block; Described housing is provided with first opening, and described first opening cooperates with described cuvette mounting hole;
Described fixed block is provided with second hole and the 3rd hole that is communicated with described cuvette mounting hole; The central axis in described second hole and described the 3rd hole point-blank;
Described light source is positioned at described second hole, and described photosignal conversion equipment is positioned at the lateral surface of described fixed block and described the 3rd hole is covered.
4. pesticide residue rapid detector as claimed in claim 3 is characterized in that, described fixed block also comprises the 4th hole and the filter that is placed in described the 4th hole;
Described filter is provided with the 5th hole, and described the 5th hole and described second hole, the 3rd hole are point-blank; Described optical filter is positioned at the 5th hole of described filter.
5. pesticide residue rapid detector as claimed in claim 4 is characterized in that, also comprises the output unit for output test data;
Described output unit comprises display screen; Described housing comprises second opening;
Described display location and is electrically connected with described chip in described second opening.
6. pesticide residue rapid detector as claimed in claim 5 is characterized in that, described output unit also comprises RS232 interface and USB interface;
Described RS232 interface and USB interface are electrically connected with described chip respectively.
7. pesticide residue rapid detector as claimed in claim 6 is characterized in that, also comprises input media;
Described input media comprises four buttons; Four described buttons are positioned on the described housing and with chip and are electrically connected.
8. pesticide residue rapid detector as claimed in claim 7 is characterized in that, also comprises supply unit;
Described supply unit comprises for the external power interface that is connected with external power source and the built-in power device that is used for being connected battery.
9. pesticide residue rapid detector as claimed in claim 8 is characterized in that, also comprises the loam cake that covers for first opening with described housing;
Described loam cake is rotatably connected with described housing.
10. as each described pesticide residue rapid detector in the claim 1～9, it is characterized in that described light source is the LED lamp of the light beam of 410nm for producing wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123118 CN203132995U (en) | 2013-03-18 | 2013-03-18 | Rapid pesticide residue tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320123118 CN203132995U (en) | 2013-03-18 | 2013-03-18 | Rapid pesticide residue tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132995U true CN203132995U (en) | 2013-08-14 |
Family
ID=48940967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320123118 Expired - Fee Related CN203132995U (en) | 2013-03-18 | 2013-03-18 | Rapid pesticide residue tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132995U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801929A (en) * | 2018-06-26 | 2018-11-13 | 杭州霆科生物科技有限公司 | A kind of smart home that can detect food security |
-
2013
- 2013-03-18 CN CN 201320123118 patent/CN203132995U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801929A (en) * | 2018-06-26 | 2018-11-13 | 杭州霆科生物科技有限公司 | A kind of smart home that can detect food security |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160318 |