CN206696174U - A kind of high flux garden stuff pesticide residue fast detector - Google Patents
A kind of high flux garden stuff pesticide residue fast detector Download PDFInfo
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- CN206696174U CN206696174U CN201720386767.1U CN201720386767U CN206696174U CN 206696174 U CN206696174 U CN 206696174U CN 201720386767 U CN201720386767 U CN 201720386767U CN 206696174 U CN206696174 U CN 206696174U
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- pesticide residue
- cuvette
- master board
- garden stuff
- rotational support
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Abstract
The utility model discloses a kind of high flux garden stuff pesticide residue fast detector, including master board, automatic sampling apparatus, optical detecting module, disk rotational support, master board driving automatic sampling apparatus adds detection reagent into the cuvette on disk rotational support, optical detecting module receives the absorbance of liquid in master board order detection cuvette, and absorbance is fed back into master board, master board calculates garden stuff pesticide residue amount.Quantitative analysis is carried out to the Organophosphorus and carbamate pesticides class medicine in fruits and vegetables using the present apparatus, reagent is precisely added by sample introduction woven hose control device, labor intensity of operating staff is reduced, improves batch samples detection efficiency, this instrument is applied to large-scale sample detection.
Description
Technical field
It the utility model is related to Pesticides Testing technical field, and in particular to a kind of high flux garden stuff pesticide residue quick detection
Instrument.
Background technology
The development of agriculture industrialization makes the production of agricultural product be increasingly dependent on the allogenes such as agricultural chemicals, antibiotic and hormone
Matter.For a long time, dosage of China's agricultural chemicals in agricultural product production remains high, and its unreasonable use will cause in agricultural product
Residues of pesticides are exceeded, influence consumer's edible safety；When serious consumer can be caused to cause a disease, develop abnormal, or even directly led
Cause is poisoned to death.Meanwhile the exceeded normal exit that can also influence agricultural product of residues of pesticides.Therefore, countries in the world are to residues of pesticides
Problem is paid much attention to, and has all formulated increasingly stricter limit standard to various agricultural byproducts Pesticide Residues, has made Chinese agricultural production
It is faced with formidable challenges product outlet.
Fast Determination of Pesticide Residue method species is various at present, by being broadly divided into two major classes for its principle：Biochemical measurement
Method and chromatographic detection.The farming residual analysis technology for detection such as traditional GC/MS cost is high, time length, and this gives food safety Regulation portion
The door supervision work before, during and after the production process to agricultural product brings many inconvenience.Therefore substantial amounts of quick detection agriculture is also expedited the emergence of out
The technology of medicine residual, common are chemical fast determining method, immunoassay, inhibiting AChE and In vivo detection method etc..Wherein enzyme level
Rate method is to study most ripe, most widely used fast detecting method, and it is mainly according to Organophosphorus and carbamate pesticides class agricultural chemicals to second
The specific inhibitory effect of acetylcholinesterase, realize the indirect detection of residues of pesticides.Inhibiting AChE in the residual detection of agriculture because having
Quickly, the features such as sensitive, easy to operate, cost is cheap, national proposed standard method (GB/T5009.199-2003) is listed in,
Turned at present fast qualitative primary dcreening operation detection in Organophosphorus and carbamate pesticides pesticide residue scene in fruits and vegetables mainstream technology it
One, obtain more and more extensive application.
And existing detector is required to be accomplished manually whole detection process, when carrying out batch samples detection, detection time
Long, detection efficiency is low, and intensity of workers is big, and the artificial detection reagent that adds is readily incorporated error.Studied and opened based on this
Hair designs a kind of high flux garden stuff pesticide residue fast detector.
Utility model content
The purpose of this utility model is：A kind of high flux garden stuff pesticide residue fast detector is provided, solved existing
Detecting instrument when carrying out extensive sample detection, detection efficiency is low, detection time is long, is readily incorporated the technologies such as human error
Problem.
The utility model is achieved through the following technical solutions：
A kind of high flux garden stuff pesticide residue fast detector, including master board, automatic sampling apparatus, optical detection mould
Block, disk rotational support, master board driving automatic sampling apparatus add into the cuvette on disk rotational support
Detection reagent, optical detecting module receive the absorbance of liquid in master board order detection cuvette, and absorbance is fed back
To master board, master board calculates garden stuff pesticide residue amount；
Master board is also connected with drive device, and drive device is connected with disk rotational support, and drives disk rotational branch
Frame circles；
The cuvette is distributed in the upper surface surrounding of disk rotational support, and the bottom of disk rotational support is provided with concussion and filled
Put, optical detecting module is located at the inside of disk rotational support and is arranged on the outer wall of cuvette and the inwall of disk rotational support
Between.
The technical program creativeness devises the device being quickly used for quickly detecting to high flux garden stuff pesticide residue, its
In, rocking equipment is to carry out concussion mixing to the testing sample solution in detection process；Drive device is connected with master board, its
Effect is to drive disk rotational support to start to circle under the driving instruction of master board, beneficial to the shifting of cuvette position
It is dynamic；Under the order for the acting on master board effect of automatic sampling apparatus, the liquid of automatic sucking is added to corresponding colorimetric
In ware, the operation of auto injection is completed；Optical detecting module includes generating laser, light-receiving probe and optical signal prosessing mould
Block, its main function are that the absorbance of the testing sample to preparing detects, and then calculate enzyme suppression according to built-in algorithms
Rate processed, it follows that measuring samples Pesticide Residues.
The Cleaning Principle of the technical program is：Under certain condition, Organophosphorus and carbamate pesticides class agricultural chemicals is to acetyl courage
Alkali esterase normal function has inhibitory action, and the concentration of its inhibiting rate and agricultural chemicals is proportionate.Under normal circumstances, enzymatic nerve passes
Metabolite (acetylcholine) hydrolysis is led, its hydrolysate reacts with developer, produces yellow substance；Use spectrophotometric determination
Absorbance changes with time value under 412nm, calculates inhibiting rate, can judge whether have in sample by inhibiting rate
Machine phosphorus or carbamate chemicals for agriculture.When being detected with rapid detector for pesticide residue, its inhibiting rate can typically calculate automatically.If sample
Product inhibiting rate >=50%, represent that sample agriculture is residual exceeded, be as a result the positive.
Further, the automatic sampling apparatus enters automatically including the first auto injection pipe, the second auto injection pipe, the 3rd
Sample pipe, the first auto injection pipe, the second auto injection pipe, one end of the 3rd auto injection pipe are connected with infusion pump, separately
One end can be inserted and filling operation is carried out in cuvette.
On the setting of automatic sampling apparatus, the first auto injection pipe, the second auto injection pipe, the 3rd auto injection pipe
Structure is identical, and concrete operation method is reaction process of the master control borad according to setting, accurate to control liquid feeding time and liquid volume added：Pass through
First auto injection pipe adds 0.1mL enzyme liquids into cuvette, and 0.1mL is added into cuvette by the second auto injection pipe shows
Toner, 0.1mL substrates are added into cuvette by the 3rd auto injection pipe.
Further, the number of the cuvette is less than or equal to 48, can be achieved to detect sample on a large scale.
Further, groove through hole is set between the optical detecting module and cuvette, and detection light is examined by groove through hole
Survey the absorbance of cuvette.Wherein optical detecting module includes optical detecting module receiving terminal and optical detecting module transmitting terminal.
Further, the bottom of the cuvette is additionally provided with heater, you can the environment temperature of contrastive colours ware is adjusted
It is whole, make Detection results more accurate.
Further, the master board is also associated with display, for showing testing result.
Further, the model Exynos4412 of the master board.
Further, the model ZLM-G01 of the optical detecting module.
The utility model compared with prior art, has the following advantages and advantages：
Quantitative analysis is carried out to the Organophosphorus and carbamate pesticides class medicine in fruits and vegetables using the present apparatus, passes through auto injection
Device precisely adds reagent, reduces labor intensity of operating staff, improves batch samples detection efficiency, and this instrument is applied to big rule
The sample detection of mould.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is sample treatment, the structure partial enlarged diagram of detection means in the utility model；
Fig. 3 is the cross-sectional view of disk rotational support in the utility model；
Fig. 4 is the cross-sectional view that optics examines module in the utility model；
Fig. 5 is structural schematic block diagram of the present utility model；
Wherein：1-infusion pump, the 2-the first auto injection pipe, the 3-the second auto injection pipe, the 4-the three auto injection pipe,
5-cuvette, 6-optical detecting module, 7-rocking equipment, 8-disk rotational support, 9-groove through hole.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Rapid detector for pesticide residue is the instrumentation for needing and developing according to China's national situation and market.Utilize enzyme level
Method can realize the field quick detection of organophosphorus and N-methylcarbamate pesticides residual quantity.Rapid detector for pesticide residue is root
According to the enzyme inhibition rate method in national standard (GB/T5009.199-2003) and agriculture standard method (NY/T448-2001), with reference to
The brand-new food safety detection equipment of quick determination method development.Its Cleaning Principle is：Under certain condition, organophosphor and amino
Formate ester agricultural chemicals has inhibitory action to acetylcholinesterase normal function, and the concentration of its inhibiting rate and agricultural chemicals is proportionate.Just
In the case of often, enzymatic nerve conduction metabolite (acetylcholine) hydrolysis, its hydrolysate reacts with developer, produces yellow
Material；Changed with time value with absorbance under spectrophotometric determination 412nm, calculate inhibiting rate, pass through inhibiting rate
Judge whether contain organophosphor or carbamate chemicals for agriculture in sample.When being detected with rapid detector for pesticide residue, it presses down
Rate processed can typically calculate automatically.If sample inhibiting rate >=50%, represent that sample agriculture is residual exceeded, be as a result the positive.
Measuring samples are analyzed according to national standard method, it is necessary first to are carried out sample treatment and are obtained sample extracting solution, then distinguish
Contrast solution and sample solution are tested, the detection time of each sample is about 30 minutes.Fruits and vegetables class product category is various,
Seasonal is strong, how on the premise of the testing result degree of accuracy is ensured, improves detection efficiency, mitigates intensity of workers,
It is the study hotspot of current rapid detector for pesticide residue.
The utility model is uniformly arranged multiple cuvette insertion grooves, can detect 48 every time using the more slotted eye designs of disc type
Individual sample, while automatic sample feeding device, heater and temperature control equipment are provided with, the quick inspection of batch samples can be realized
Survey, substantially increase garden stuff pesticide residue detection efficiency.Concrete structure is as described in Example 1.
Embodiment 1：
As shown in Figures 1 to 5, a kind of high flux garden stuff pesticide residue fast detector, including master board, auto injection
Device, optical detecting module 6, disk rotational support 8, master board drive automatic sampling apparatus to installed in disk rotational support
Detection reagent is added in cuvette 5 on 8, optical detecting module 6 receives the suction of liquid in master board order detection cuvette 5
Luminosity；
Master board is also connected with drive device, and drive device is connected with disk rotational support 8, and drives disk rotational branch
Frame 8 circles；
The cuvette 5 is distributed in the upper surface surrounding of disk rotational support 8, and the bottom of disk rotational support 8 is provided with shake
Device 7 is swung, optical detecting module 6 is located at the inside of disk rotational support 8 and is arranged on the outer wall and disk rotational branch of cuvette 5
Between the inwall of frame 8.The model ZLM-G010 of optical detecting module 6, the model of master board in the present embodiment
Exynos4412。
Wherein automatic sampling apparatus includes the first auto injection pipe 2, the second auto injection pipe 3, the 3rd auto injection pipe 4,
The first auto injection pipe 2, the second auto injection pipe 3, one end of the 3rd auto injection pipe 4 are connected with infusion pump 1, another
End is connected with cuvette 5.
Wherein, it is provided between the optical detecting module 6 and cuvette 5 and is easy to detect light by being irradiated to cuvette 5
Groove through hole 9.
Wherein, there be heater the bottom of the cuvette 5.
Wherein, the master board is also associated with display, display concretely display screen, for showing detection knot
Fruit.
The concrete operation method of high flux garden stuff pesticide residue fast detector described in the present embodiment is：
The detecting step of single sample：Clean cuvette 5 inserted in cuvette groove, comparison liquid is injected or has extracted
Solution to be measured, 0.1mL enzyme liquids are added by the first auto injection pipe 2, the second auto injection pipe 3 adds 0.1mL developers, colorimetric
The contrastive colours ware of rocking equipment 7 of the bottom of ware 5 installation is shaken, and liquid is shaken up, and the heating of heating and heat-insulating device contrastive colours ware, is protected
Temperature, the 3rd auto injection pipe 4 adds 0.1mL substrates when reaching setting time, and concussion shakes up, and optical detecting module 6 is straight after 3 minutes
Measurement solution absorbance is connect, instrument calculates enzyme inhibition rate.Wherein the receiving terminal of optical detecting module 6 receives the extinction after detection
Signal is spent, and the signal value is transferred to master board by the transmitting terminal of optical detecting module 6, carries out the calculating of next step,
Calculate garden stuff pesticide residue value.
A series of samples detecting step：All cuvettes 5 are put into square hole corresponding to disk rotational support 8, in sequence
Load the testing sample solution of comparison liquid and pretreatment completion.When detection process starts, master board sends control signal, is driving
Disc-rotated support 8 is rotated according to the rhythm of setting in the presence of dynamic device, and sample introduction liquid is pressed under the effect of infusion pump 1
Order and dosage according to setting are toward adding appropriate solution, master board control heating, concussion and displacement dress in a series of cuvettes 5
Put contrastive colours ware to be shaken, heated, be incubated, determine sample processing time, optical detecting module records liquid in cuvette and inhaled
The changing value of luminosity.Inhibiting rate is calculated by master board, and exported by display.
Drive device described in the present embodiment is stepper motor, positioned at enclosure interior, disk middle, position on the lower；
The master board model Exynos4412, positioned at complete machine enclosure interior；
Wherein, rocking equipment concrete structure can be micro-vibration-motor.
Above-described embodiment, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (8)
- A kind of 1. high flux garden stuff pesticide residue fast detector, it is characterised in that：Including master board, automatic sampling apparatus, Optical detecting module (6), disk rotational support (8), master board drive automatic sampling apparatus to installed in disk rotational support (8) detection reagent is added in the cuvette (5) on, optical detecting module (6) is received in master board order detection cuvette (5) The absorbance of liquid, and absorbance is fed back into master board, master board calculates garden stuff pesticide residue amount；Master board is also connected with drive device, and drive device is connected with disk rotational support (8), and drives disk rotational support (8) circle；The cuvette (5) is distributed in the upper surface surrounding of disk rotational support (8), and the bottom of disk rotational support (8) is provided with Rocking equipment (7), optical detecting module (6) be located at the inside of disk rotational support (8) and be arranged on the outer wall of cuvette (5) with Between the inwall of disk rotational support (8).
- A kind of 2. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：It is described automatic Sampling device includes the first auto injection pipe (2), the second auto injection pipe (3), the 3rd auto injection pipe (4), and described first certainly Dynamic sample feeding pipe (2), the second auto injection pipe (3), one end of the 3rd auto injection pipe (4) are connected with infusion pump (1), the other end It is inserted into cuvette (5).
- A kind of 3. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The colorimetric The number of ware (5) is less than or equal to 48.
- A kind of 4. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The optics Groove through hole (9) is set between detection module (6) and cuvette (5), and detection light detects cuvette (5) by groove through hole (9) Absorbance.
- A kind of 5. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The colorimetric The bottom of ware (5) is additionally provided with heater.
- A kind of 6. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The master control Making sheet is also associated with display, for showing testing result.
- A kind of 7. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：The master control The model Exynos4412 of making sheet.
- A kind of 8. high flux garden stuff pesticide residue fast detector according to claim 1, it is characterised in that：Optical detection The model ZLM-G010 of module (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720386767.1U CN206696174U (en) | 2017-04-13 | 2017-04-13 | A kind of high flux garden stuff pesticide residue fast detector |
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|---|---|---|---|
| CN201720386767.1U CN206696174U (en) | 2017-04-13 | 2017-04-13 | A kind of high flux garden stuff pesticide residue fast detector |
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| CN206696174U true CN206696174U (en) | 2017-12-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760440A (en) * | 2018-07-26 | 2018-11-06 | 山东华盛天同标准技术服务有限公司 | A kind of pesticide residue detection pretreatment device |
| CN109001139A (en) * | 2018-09-28 | 2018-12-14 | 北京圣康杰生物技术有限公司 | A kind of hand-hold food instrument for detecting pesticide residue through |
| CN112666100A (en) * | 2020-11-30 | 2021-04-16 | 浙江必利夫检测科技有限公司 | Spectrophotometer for detecting ozone and determination method |
| CN113310974A (en) * | 2021-04-22 | 2021-08-27 | 安徽民安检验检测技术有限公司 | Agricultural product pesticide residue detection device |
| CN113310977A (en) * | 2021-04-26 | 2021-08-27 | 安徽民安检验检测技术有限公司 | Agricultural product detection platform |
| CN113310976A (en) * | 2021-04-26 | 2021-08-27 | 安徽民安检验检测技术有限公司 | Agricultural product batch detection device |
| CN108760440B (en) * | 2018-07-26 | 2024-05-28 | 方圆标志检验检测(山东)有限公司 | Pesticide residue detects preprocessing device |
-
2017
- 2017-04-13 CN CN201720386767.1U patent/CN206696174U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760440A (en) * | 2018-07-26 | 2018-11-06 | 山东华盛天同标准技术服务有限公司 | A kind of pesticide residue detection pretreatment device |
| CN108760440B (en) * | 2018-07-26 | 2024-05-28 | 方圆标志检验检测(山东)有限公司 | Pesticide residue detects preprocessing device |
| CN109001139A (en) * | 2018-09-28 | 2018-12-14 | 北京圣康杰生物技术有限公司 | A kind of hand-hold food instrument for detecting pesticide residue through |
| CN112666100A (en) * | 2020-11-30 | 2021-04-16 | 浙江必利夫检测科技有限公司 | Spectrophotometer for detecting ozone and determination method |
| CN113310974A (en) * | 2021-04-22 | 2021-08-27 | 安徽民安检验检测技术有限公司 | Agricultural product pesticide residue detection device |
| CN113310977A (en) * | 2021-04-26 | 2021-08-27 | 安徽民安检验检测技术有限公司 | Agricultural product detection platform |
| CN113310976A (en) * | 2021-04-26 | 2021-08-27 | 安徽民安检验检测技术有限公司 | Agricultural product batch detection device |
| CN113310977B (en) * | 2021-04-26 | 2023-12-19 | 安徽民安检验检测技术有限公司 | Agricultural product detection platform |
| CN113310976B (en) * | 2021-04-26 | 2024-04-12 | 广西融水县福融贝江源农业发展有限公司 | Agricultural product batch detection device |
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