CN109655421A - A kind of full-automatic Detecting Pesticide system - Google Patents
A kind of full-automatic Detecting Pesticide system Download PDFInfo
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- CN109655421A CN109655421A CN201910115042.2A CN201910115042A CN109655421A CN 109655421 A CN109655421 A CN 109655421A CN 201910115042 A CN201910115042 A CN 201910115042A CN 109655421 A CN109655421 A CN 109655421A
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- agriculture
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- controlled valve
- delivery conduit
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/02—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor using a plurality of sample containers moved by a conveyor system past one or more treatment or analysis stations
Abstract
The invention discloses a kind of full-automatic Detecting Pesticide systems, comprising: the residual extraction element of agriculture, extracting solution apparatus for placing, liquid transporting apparatus, detection device and control host；Wherein, liquid transporting apparatus includes the delivery conduit that peristaltic pump, electrically-controlled valve and Duo Gen communicate with each other, and the disengaging sample port of each delivery conduit is corresponded with the residual extraction element of agriculture, extracting solution apparatus for placing and detection device position respectively；Electrically-controlled valve is mounted at the position that multiple delivery conduits cross；Peristaltic pump is mounted on delivery conduit corresponding with the residual extraction element position of agriculture；Host is controlled to be electrically connected with the residual extraction element of agriculture, peristaltic pump, electrically-controlled valve and detection device respectively.The present invention, which can be realized, realizes full-automatic, quickly detection to the pesticide residue of surface of agricultural products, greatly reduces manpower, and can guarantee the accuracy of testing result.
Description
Technical field
The present invention relates to technical field of food safety detection, more particularly to a kind of full-automatic Detecting Pesticide
System.
Background technique
Enzyme inhibition rate method has in-depth study and wide in the field of fast detection of Organophosphorus and carbamate pesticides class pesticide
General application.Currently, the garden stuff pesticide residue rapid detection method based on enzyme inhibition rate method principle be put into national standard and
Professional standard (GB/T5009.199-2003, NY/T 448-2001), and the production base such as be widely used in veterinary antibiotics, tealeaves
Ground, the market of farm produce, supermarket and superintendent office become the mainstream technology of China's Fast Determination of Pesticide Residue.
The residual extraction of agriculture and the standardization of testing process influence great, existing pesticide residue for analyzing the accuracy of result
Quick testing product is often based on traditional Biochemical Lab's instrument and realizes that pesticide residue is extracted and detected in fruits and vegetables.Traditional Agricultural
Residual detecting step is as follows: (1) the fruits and vegetables sample (such as dish leaf, pericarp etc.) of certain mass is weighed by electronic scale or precision balance
It is put into beaker or extraction flask；(2) the slow of certain volume manually is pipetted using liquid-transfering devices such as pipettor, liquid-transfering gun or graduated cylinders
Fliud flushing is added in beaker or extraction flask；(3) using equipment such as lab shaker or Ultrasound Instruments, to the sample being soaked in buffer
Carry out the residual extraction of agriculture；(4) test tube is added in the soaked extracting solution for pipetting certain volume, sequentially adds the enzyme solution of certain volume, shows
Toner and substrate are put into spectrophotometer and carry out detection absorbance, pass through the absorbance change in certain time after mixing well
Inhibiting rate result is calculated in value.
It is entire extract and detection process it is slightly cumbersome, all by manual operation, extraction efficiency is low, accuracy in detection is poor, and
And operator is needed to have certain professional knowledge.Therefore, market needs to develop a kind of the complete of " sample into, result go out " formula
The automatic residual detection system of agriculture is realized automatic weighing, automatic sample, is automatically extracted, the full-automatic fruits and vegetables agriculture of automatic sampling and analysis
Residual detection system.
Summary of the invention
In view of this, can be realized the present invention provides a kind of full-automatic Detecting Pesticide system to fruit and vegetable surfaces
Pesticide residue realizes full-automatic, quickly detection, greatly reduces manpower, and can guarantee the accuracy of testing result.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of full-automatic Detecting Pesticide system, comprising: the residual extraction element of agriculture, extracting solution apparatus for placing, liquid conveying
Device, detection device and control host；
Wherein, the liquid transporting apparatus includes the delivery conduit that peristaltic pump, electrically-controlled valve and Duo Gen communicate with each other, Mei Gesuo
State the disengaging sample port of delivery conduit respectively with the residual extraction element of the agriculture, the extracting solution apparatus for placing and the detection device
Position corresponds；The electrically-controlled valve is mounted at the position that multiple delivery conduits cross；The peristaltic pump be mounted on
On the corresponding delivery conduit in the residual extraction element position of agriculture；
The control host is filled with the residual extraction element of the agriculture, the peristaltic pump, the electrically-controlled valve and the detection respectively
Set electric connection
It can be seen via above technical scheme that compared with prior art, the present invention passes through the residual extraction element of agriculture, liquid is defeated
Device and detection device is sent to be integrated into an entirety, and under the control action of control host, disposable realize automatically extracts, certainly
Dynamic feed liquor, automatic liquid discharging, the automatic process for detecting and cleaning automatically, whole process is simple, without expending excessive manpower, reduces
To manually-operated dependence, it can guarantee the accuracy of testing result.The present invention passes through peristaltic pump combination solenoid valve, Neng Goushi
Now to the timing of liquid, quantitative and orientation conveying, under the premise of guaranteeing that liquid is sufficiently reacted with the reagent in detection device,
Fluid waste does not occur.
Preferably, in a kind of above-mentioned full-automatic Detecting Pesticide system, the residual extraction element of agriculture includes weighing dress
Set, oscillator and extraction cup, the oscillator are fixed on the weighing device surface, the extraction cup is mounted on the oscillator
On；The weighing device and the oscillator are electrically connected with the control host respectively.
As can be seen from the above technical solutions, during the present invention extracts pesticide residue, by weighing device to be detected
Fruits and vegetables sample carry out the residual extraction of surface agriculture, and suitable extracting solution is imported according to example weight, it is ensured that sufficiently reaction, and will not
Cause the waste of extracting solution.Oscillator can not only provide external force, make the pesticide residue of fruits and vegetables sample surfaces in the effect of external force
Under, it is efficiently eluted in extracting solution, additionally it is possible to be sufficiently mixed extracting solution, it is ensured that the accuracy of testing result.
Preferably, in a kind of above-mentioned full-automatic Detecting Pesticide system, the liquid transporting apparatus further includes first
The disengaging sample port of stepper motor, delivery conduit corresponding with the residual extraction element position of the agriculture is connected with sampling needle one；It is described
The signal input part of first stepper motor and the control host are electrically connected, and driving end is fixedly connected with the sampling needle one；
The direction of sampling needle one described in the first stepping motor driven towards the residual extraction element of the agriculture moves back and forth.
As can be seen from the above technical solutions, the first stepper motor, under the control action of control host, driving sampling needle is done
The position of certain distance is mobile, and then completes the transmission process to extracting solution.
Preferably, in a kind of above-mentioned full-automatic Detecting Pesticide system, the liquid transporting apparatus further includes second
The disengaging sample port of stepper motor, delivery conduit corresponding with the detection device position is connected with sampling needle two；Described second
The signal input part of stepper motor and the control host are electrically connected, and driving end is fixedly connected with the sampling needle two；It is described
Second stepper motor drives the direction of sampling needle two towards the detection device to do back and forth movement.Second stepper motor is controlling
Under the control action of host, sampling needle two is made to be in the optimal distance of device for detecting distance, the fixed point of extracting solution is led to realize
Out.
Preferably, in a kind of above-mentioned full-automatic Detecting Pesticide system, the electrically-controlled valve is threeway electrically-controlled valve, described
Delivery conduit is provided with three, and the common end of the electrically-controlled valve and delivery conduit corresponding with the residual extraction element position of the agriculture connect
It connects, the normally open end of the electrically-controlled valve and normal-closed end connect one to one with another two delivery conduits respectively；It is i.e. described automatically controlled
The normally open end of valve and delivery conduit corresponding with the extracting solution apparatus for placing position connection, normal-closed end and with the detection device
Corresponding delivery conduit connection；Or the electrically-controlled valve normal-closed end and it is corresponding with the extracting solution apparatus for placing position conveying lead
Pipe connection, normally open end and delivery conduit corresponding with detection device connection.
When extraction agriculture is residual, start electrically-controlled valve, make delivery conduit corresponding with extracting solution apparatus for placing and is filled with the residual extraction of agriculture
Corresponding delivery conduit connection is set, and starts peristaltic pump, extracting solution is directed into extraction cup, when extracting solution imports preset body
When product, electrically-controlled valve and peristaltic pump are closed, starts oscillator, starts to extract the pesticide residue of fruit and vegetable surfaces.It extracts and completes
Afterwards, start electrically-controlled valve, make and and the corresponding delivery conduit of the residual extraction element of agriculture and delivery conduit corresponding with detection device is connected to,
Then start the first stepper motor and second stepper motor, make it that sampling needle one and the correspondence of sampling needle two be driven to protrude into extraction respectively
At the position of cup and detection device inlet, starts peristaltic pump, import agriculture raffinate quantitatively and biochemical reaction occurs in inlet, instead
Peristaltic pump should be closed in the process.After reaction, start peristaltic pump, be back to agriculture raffinate in extraction cup.Agriculture raffinate has flowed back
Bi Hou, is again started up electrically-controlled valve and peristaltic pump, successively make delivery conduit corresponding with extracting solution apparatus for placing and with the residual extraction of agriculture
The corresponding delivery conduit of device and delivery conduit corresponding with detection device connection, extracting solution is under the action of peristaltic pump defeated
Directed flow in pipeline is sent, to realize the cleaning of delivery conduit.
Preferably, in a kind of above-mentioned full-automatic Detecting Pesticide system, the detection device include: fixed plate, with
And it is separately fixed at heating sheet, temperature sensor, biochip, light source and photosensitive sensor in the fixed plate；It is described to add
Backing, the temperature sensor, the light source and the photosensitive sensor are electrically connected with the control host；
The biochip has inlet, the first reaction tank, the second reaction tank and gas vent, the inlet, described
First reaction tank, second reaction tank and the gas vent are sequentially communicated；The position of the inlet and the sampling needle two
It is corresponding；
The light source, the photosensitive sensor and second reaction tank position are corresponding, and the light of light source transmitting
Into second reaction tank, the photosensitive sensor acquires the absorbance change of second reaction tank.
In detection process, sampling needle two is mobile up to connecting with inlet, while starting heating sheet and temperature sensor, real
Now the temperature of fixed plate is controlled；After temperature reaches standard, starting peristaltic pump control agriculture raffinate flowing, when agriculture raffinate enters and fills
First reaction tank of full biochip, while when not entering the second reaction tank, closes peristaltic pump and controls and move on sampling needle one
Above extraction cup, a period of time is stood, so that agriculture raffinate sufficiently reacts in the first reaction tank.After reaction, it is again started up
Peristaltic pump enters agriculture raffinate and is full of the second reaction tank, closes peristaltic pump, open light source at this time and wait one hour to light source
Stablize, photosensitive sensor acquires light intensity signal according to fixed time interval, after signal acquisition, according to absorbance change meter
The residual inhibiting rate of agriculture is calculated, to realize the quick detection to fruits and vegetables.
Preferably, in a kind of above-mentioned full-automatic Detecting Pesticide system, the control host includes shell, circuit
Plate, display and function button；The circuit board is located at the enclosure interior, and the display and the function button are embedded at
The housing outer surface；
Single-chip microcontroller and multiple peripheral circuits with different function are integrated on the circuit board；It is the display, described
It is function button, the weighing device, the oscillator, the electrically-controlled valve, the peristaltic pump, first stepper motor, described
Second stepper motor, the heating sheet, the temperature sensor, the light source and the photosensitive sensor pass through accordingly respectively
The peripheral circuit and the single-chip microcontroller are electrically connected.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of structural schematic diagram of full-automatic Detecting Pesticide system provided by the invention；
Fig. 2 attached drawing is a kind of electric control theory figure of full-automatic Detecting Pesticide system provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the invention discloses a kind of full-automatic Detecting Pesticide systems, comprising: the residual extraction of agriculture
Device 1, extracting solution apparatus for placing 2, liquid transporting apparatus 3, detection device 4 and control host 5；
Wherein, liquid transporting apparatus 3 includes peristaltic pump 31, electrically-controlled valve 32 and three delivery conduits 33 to communicate with each other, electricity
Control valve 32 is threeway electrically-controlled valve, has common end, normally open end and normal-closed end.The disengaging sample port of each delivery conduit 33 respectively with
The residual extraction element 1 of agriculture, extracting solution apparatus for placing 2 and 4 position of detection device correspond；Electrically-controlled valve 32 is mounted on three conveyings and leads
At the position that pipe 33 crosses；Peristaltic pump 31 is mounted on delivery conduit 33 corresponding with residual 1 position of extraction element of agriculture.
The common end of electrically-controlled valve 32 and delivery conduit 33 corresponding with residual 1 position of extraction element of agriculture connection in the present embodiment,
The normally open end of electrically-controlled valve 32 and normal-closed end connect one to one with remaining two delivery conduits 33 respectively.That is electrically-controlled valve 32
Normally open end and delivery conduit 33 corresponding with 2 position of extracting solution apparatus for placing connection, normal-closed end and corresponding with detection device 4 defeated
Conduit 33 is sent to connect；Or normal-closed end and delivery conduit 33 corresponding with 2 position of the extracting solution apparatus for placing connection of electrically-controlled valve 32, often
Beginning and delivery conduit 33 corresponding with detection device 4 connection.
Host 5 is controlled to be electrically connected with the residual extraction element 1 of agriculture, peristaltic pump 31, electrically-controlled valve 32 and detection device 4 respectively.
Specifically, the residual extraction element 1 of agriculture includes weighing device 11, oscillator 12 and extraction cup 13, oscillator 12 is fixed on
11 surface of weighing device, extraction cup 13 are mounted on oscillator 12；Weighing device 11 and oscillator 12 are electric with control host 5 respectively
Property connection.
Liquid transporting apparatus 3 further includes the first stepper motor 34 and second stepper motor 36, with residual 1 position of extraction element of agriculture
The disengaging sample port of corresponding delivery conduit 33 is connected with sampling needle 1, delivery conduit 33 corresponding with 4 position of detection device
Disengaging sample port be connected with sampling needle 2 37；The signal input part and control host 5 of first stepper motor 34 are electrically connected, and are driven
Moved end is fixedly connected with sampling needle 1；It does in the direction of first stepper motor 34 driving sampling needle 1 towards the residual extraction element 1 of agriculture
It moves back and forth.The signal input part and control host 5 of second stepper motor 36 are electrically connected, and driving end and sampling needle 2 37 are fixed
Connection；Second stepper motor 36 drives the direction of sampling needle 2 37 towards detection device 4 to do back and forth movement.
Detection device 4 includes: fixed plate 41 and the heating sheet being separately fixed in fixed plate 41 42, temperature sensor
43, biochip 44, light source 45 and photosensitive sensor 46；Heating sheet 42, temperature sensor 43, light source 45 and photosensitive sensor 46
It is electrically connected with control host 5；
Biochip 44 has inlet 441, the first reaction tank 442, the second reaction tank 443 and gas vent 444, inlet
441, the first reaction tank 442, the second reaction tank 443 and gas vent 444 are sequentially communicated；The position of inlet 441 and sampling needle 2 37
Set correspondence；
Light source 45, photosensitive sensor 46 and 442 position of the second reaction tank are corresponding, and the light that light source 45 emits enters second
Reaction tank 442, photosensitive sensor 46 acquire the absorbance change of the second reaction tank 442.
As shown in Fig. 2, control host 5 includes shell, circuit board 51, display 52 and function button 53；Circuit board 51
In enclosure interior, display 52 and function button 53 are embedded at housing outer surface；
Single-chip microcontroller 54 and multiple peripheral circuits 55 with different function are integrated on circuit board 51；Display 52, function
Key 53, oscillator 12, electrically-controlled valve 32, peristaltic pump 31, the first stepper motor 34, second stepper motor 36, adds weighing device 11
Backing 42, temperature sensor 43, light source 45 and photosensitive sensor 46 pass through corresponding peripheral circuit 55 and 54 electricity of single-chip microcontroller respectively
Property connection.
The residual process of detection agriculture of the invention is as follows:
Fruits and vegetables sample is put into extraction cup 13, and extraction cup 13 is mounted on weighing device 11, peeling calculates fruits and vegetables
The weight of sample, control host 5 determine the import volume of extracting solution according to the weight of fruits and vegetables sample.Electrically-controlled valve 32 powers off, and connection is adopted
Sample needle 1 and extracting solution apparatus for placing 2 start peristaltic pump 31, extracting solution are directed into extraction cup 13, extracting solution has imported
Cheng Hou closes peristaltic pump 31.Start oscillator 12, oscillation a period of time realizes the residual extraction of agriculture, obtains agriculture raffinate.Start the first step
It into motor 34, drives sampling needle 1 to be displaced downwardly in extraction cup 13 under the control of the first stepper motor 34, starts peristaltic pump 31,
Peristaltic pump 31 is closed when so that agriculture raffinate is crossed electrically-controlled valve 32, but extracting solution apparatus for placing 2 must not be entered.Electrically-controlled valve 32 is powered, and makes
Sampling needle 1 is connected to sampling needle 2 37, starts second stepper motor 36, and control sampling needle 2 37 is displaced downwardly to biochip 44
441 position of inlet at, meanwhile, starting heating sheet 42, temperature sensor 43 and peristaltic pump 31 are anti-full of first in agriculture raffinate
It answers pond 442 but does not enter closing peristaltic pump 31 in the state of the second reaction tank 443.Start the first stepper motor 34, drives sampling
13 top of extraction cup is moved on needle 1.Static a period of time reacts agriculture raffinate sufficiently in the first reaction tank 442, and first
After reaction, start peristaltic pump 31, enter agriculture raffinate and be full of the second reaction tank 443, close peristaltic pump 31 at this time, open
Light source 45 waits for a period of time up to light stability, and photosensitive sensor 46 acquires light intensity signal according to fixed time interval, and
The residual inhibiting rate of agriculture is calculated according to absorbance change.
After the completion of detection, light source 45, heating sheet 42 and temperature sensor 43 are closed, starts peristaltic pump 31, after saying reaction
Total reflux is into extraction cup 13 from biochip 44 for agriculture raffinate, after reflux, starts second stepper motor 36, will sample
Needle 2 37 is moved to 4 top of detection device.Electrically-controlled valve 32 recycles power on/off, and starts peristaltic pump 31, controls the compacted of peristaltic pump 31
It by a certain amount of extracting solution incoming line and realizes the circulations of different directions, and then realizes to the clear of delivery conduit 33 in dynamic direction
It washes.
The present invention by the way that the residual extraction element 1 of agriculture, liquid transporting apparatus 3 and detection device 4 are integrated into an entirety, and
Under the control action of control host 5, disposably realizes and automatically extract, automatic feed liquor, automatic liquid discharging, detect and clean automatically automatically
Process, whole process is simple, without expending excessive manpower, reduces to manually-operated dependence, can guarantee detection knot
The accuracy of fruit.The present invention can be realized the timing to liquid, quantified and oriented defeated by the combination solenoid valve 32 of peristaltic pump 31
It send, under the premise of guaranteeing that liquid is sufficiently reacted with the reagent in detection device 4, not will cause fluid waste.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (7)
1. a kind of full-automatic Detecting Pesticide system characterized by comprising the residual extraction element of agriculture (1), extracting solution hold dress
Set (2), liquid transporting apparatus (3), detection device (4) and control host (5)；
Wherein, the liquid transporting apparatus (3) includes the delivery conduit that peristaltic pump (31), electrically-controlled valve (32) He Duogen communicate with each other
(33), the disengaging sample port of each delivery conduit (33) is held with the residual extraction element of the agriculture (1), the extracting solution respectively
Device (2) and the detection device (4) position correspond；The electrically-controlled valve (32) is mounted on multiple delivery conduits (33)
At the position to cross；The peristaltic pump (31) is mounted on delivery conduit (33) corresponding with the agriculture residual extraction element (1) position
On；
The control host (5) respectively with the residual extraction element of the agriculture (1), the peristaltic pump (31), the electrically-controlled valve (32) and
The detection device (4) is electrically connected.
2. a kind of full-automatic Detecting Pesticide system according to claim 1, which is characterized in that the residual extraction dress of agriculture
Setting (1) includes weighing device (11), oscillator (12) and extraction cup (13), and the oscillator (12) is fixed on the weighing device
(11) surface, the extraction cup (13) are mounted on the oscillator (12)；The weighing device (11) and the oscillator
(12) it is electrically connected respectively with the control host (5).
3. a kind of full-automatic Detecting Pesticide system according to claim 2, which is characterized in that the liquid conveying dress
Setting (3) further includes the first stepper motor (34), the disengaging of delivery conduit (33) corresponding with the agriculture residual extraction element (1) position
Sample port is connected with sampling needle one (35)；The signal input part of first stepper motor (34) and the control host (5) electricity
Property connection, driving end be fixedly connected with the sampling needle one (35)；First stepper motor (34) drives the sampling needle one
(35) it is moved back and forth towards the direction of the residual extraction element of the agriculture (1).
4. a kind of full-automatic Detecting Pesticide system according to claim 3, which is characterized in that the liquid conveying dress
Setting (3) further includes second stepper motor (36), delivery conduit (33) corresponding with the detection device (4) position into sample outlet end
Mouth is connected with sampling needle two (37)；The signal input part of the second stepper motor (36) electrically connects with the control host (5)
It connects, driving end is fixedly connected with the sampling needle two (37)；The second stepper motor (36) drives the sampling needle two (37)
Back and forth movement is done towards the direction of the detection device (4).
5. a kind of full-automatic Detecting Pesticide system according to claim 4, which is characterized in that the detection device
(4) include: fixed plate (41) and the heating sheet (42) being separately fixed on the fixed plate (41), temperature sensor (43),
Biochip (44), light source (45) and photosensitive sensor (46)；It is the heating sheet (42), the temperature sensor (43), described
Light source (45) and the photosensitive sensor (46) are electrically connected with the control host (5)；
The biochip (44) has inlet (441), the first reaction tank (442), the second reaction tank (443) and gas vent
(444), the inlet (441), first reaction tank (442), second reaction tank (443) and the gas vent
(444) it is sequentially communicated；The inlet (441) is corresponding with the position of the sampling needle two (37)；
The light source (45), the photosensitive sensor (46) are corresponding with the second reaction tank (442) position, and the light source
(45) light emitted enters second reaction tank (442), and the photosensitive sensor (46) acquires second reaction tank
(442) absorbance change.
6. a kind of full-automatic Detecting Pesticide system according to claim 5, which is characterized in that the control host
It (5) include shell, circuit board (51), display (52) and function button (53)；The circuit board (51) is located in the shell
Portion, the display (52) and the function button (53) are embedded at the housing outer surface；
Single-chip microcontroller (54) and multiple peripheral circuits (55) with different function are integrated on the circuit board (51)；The display
It is device (52), the function button (53), the weighing device (11), the oscillator (12), the electrically-controlled valve (32), described compacted
Dynamic pump (31), first stepper motor (34), the second stepper motor (36), the heating sheet (42), the temperature pass
Sensor (43), the light source (45) and the photosensitive sensor (46) respectively by the corresponding peripheral circuit (55) with it is described
Single-chip microcontroller (54) is electrically connected.
7. a kind of full-automatic Detecting Pesticide system according to claim 1, which is characterized in that the electrically-controlled valve (32)
For threeway electrically-controlled valve, the delivery conduit (33) is provided with three, the common end of the electrically-controlled valve (32) and with the agriculture is residual mentions
Take corresponding delivery conduit (33) connection of device (1) position, the normally open end of the electrically-controlled valve (32) and normal-closed end respectively with remaining
Two delivery conduits (33) connect one to one.
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| CN111060685A (en) * | 2019-12-31 | 2020-04-24 | 安徽创佳安全环境科技有限公司 | Remaining immunochromatography detection device of portable pesticide and veterinary medicine |
| CN111060656A (en) * | 2019-12-30 | 2020-04-24 | 安徽创佳安全环境科技有限公司 | Detection apparatus for screening toxic harmful pesticide residue |
| CN111965124A (en) * | 2020-08-19 | 2020-11-20 | 陕西金色智慧检测研究院有限公司 | Pesticide residue detecting system |
| CN112268869A (en) * | 2020-10-20 | 2021-01-26 | 深圳立勤生物科技有限公司 | Detection method for pesticide residue detector and corresponding detector |
| CN112748222A (en) * | 2019-10-30 | 2021-05-04 | 青岛海尔智能技术研发有限公司 | A incomplete detection device of farming and refrigerator for refrigerator |
| WO2022062919A1 (en) * | 2020-09-27 | 2022-03-31 | 青岛海尔电冰箱有限公司 | Refrigerator |
| CN115096855A (en) * | 2022-07-14 | 2022-09-23 | 天津海关动植物与食品检测中心 | Multi-channel surface plasma resonance pesticide residue detection device and detection method |
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