CN209280568U - A kind of pesticide residue harmful substance device for fast detecting - Google Patents

A kind of pesticide residue harmful substance device for fast detecting Download PDF

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Publication number
CN209280568U
CN209280568U CN201822003964.8U CN201822003964U CN209280568U CN 209280568 U CN209280568 U CN 209280568U CN 201822003964 U CN201822003964 U CN 201822003964U CN 209280568 U CN209280568 U CN 209280568U
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China
Prior art keywords
model
cover
mounting portion
pesticide residue
harmful substance
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Expired - Fee Related
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CN201822003964.8U
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Chinese (zh)
Inventor
于婷
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Sichuan Technology and Business University
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Sichuan Technology and Business University
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Priority to CN201822003964.8U priority Critical patent/CN209280568U/en
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Abstract

The utility model discloses a kind of pesticide residue harmful substance device for fast detecting, including sealing container, hood, quartz curette and model SPL-APD4 photodetector;The sealing container top surface is hinged with a lid, a mounting portion for being mounted with model SPL-APD4 photodetector is equipped in lid bottom surface, sealing cover is stamped in the mounting portion top surface sealing and sealing cover is equipped with a pore, the model SPL-APD4 photodetector is equipped with cable, which passes through pore;It is equipped in the sealed container outside along the support portion that its perimeter is arranged, is mounted with hood in the support portion;The control unit of integral structure is equipped in the sealing container bottom surface;The utility model is with a wide range of applications and potential economic benefit.

Description

A kind of pesticide residue harmful substance device for fast detecting
Technical field
The utility model relates to a kind of pesticide residue harmful substance device for fast detecting.
Background technique
With the continuous reinforcement of people's environmental consciousness, the food-safety problem as caused by pesticide is also increasingly by people's Concern.In order to ensure the safety and health of consumer, the quality safety for improving agricultural product is horizontal, and the world for enhancing agricultural products is competing Power is striven, the Chinese government determines to reinforce the monitoring of Residual Pesticides in Farm Produce, establishes and improve the detection architecture of pesticide residue, implementation pair Vegetables, melon and fruit, Tea Production overall process Pesticide administration and supervision, picked up from source, reinforce agricultural product the place of production detection, hold agricultural product The market access close.
Pesticide residue refers to that the trace pesticide remained in organism, food (agricultural and sideline product) and environment after Pesticide use is former The general name of body, toxic metabolite, degradation product and impurity.The quantity of remaining is called residual quantity.It is primarily referred to as in general The residual quantity of the residual quantity of pesticide substance and its metabolin, degradation product, specific size are related with many factors.Pesticide residue is brought The pollution of water, food and ecological environment various aspects, moment endanger the health and life security of people.Into 21 generation Since discipline, cause with the raising of people's living standard and environmental consciousness, and into agricultural product pesticide concentration is exceeded after WTO Trade barrier problem, how efficiently and effectively to control, monitor pesticide residue oneself become people's very concern, also cause The great attention of government.
Other than it can cause the acute poisoning of human body, most chronic hazards generated to human body pass through pesticide more The form of contaminated food products causes.Certain pesticides impact the heredity and reproduction of humans and animals, generate deformity and cause cancer Etc. detoxifying function.
Currently, it is residual to be also mainly limited to traditional pesticide such as gas chromatography, liquid chromatography to the detection method of pesticide residue Detection method is stayed, although these methods have many advantages, such as that analysis precision is high, quantitative accurate, these method sample pre-treatments are multiple Miscellaneous detection time one is long, and cost is excessively high, needs to be detected in laboratory by professional, is not able to satisfy the need of on-site test Ask, that there are sample pretreatment process is cumbersome, consumption reagent, the disadvantages of time-consuming, be not able to satisfy quickly, the needs of green test.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of pesticide residue proposed has Evil substance device for fast detecting.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of pesticide residue harmful substance device for fast detecting, including sealing container, hood, quartz curette and model SPL-APD4 photodetector;
The sealing container top surface is hinged with a lid, is equipped with one in lid bottom surface and is mounted with mounting portion, the mounting portion Sealing cover is stamped in top surface sealing and sealing cover is equipped with a pore, and the model SPL-APD4 photodetector is equipped with cable, The cable passes through pore;
It is equipped in the sealed container outside along the support portion that its perimeter is arranged, is mounted with hood in the support portion;
Hood includes:
Cover and cover on the cover on lid;
The cover is equipped with the magic joint strip being mutually bonded and the cover is equipped with the mating pore being connected with pore;
The control unit of integral structure is equipped in the sealing container bottom surface;
Model AD795KN preamplifier, model NFQJ-DM5731 bandpass filtering are mounted in the control unit Device, 9013 main amplifying circuit of model, model TLC154 analog-digital converter, model AT89C51 microcontroller and lithium electricity Pond;
The model SPL-APD4 photodetector passes through control unit and electrical connection model AD795KN preamplifier Input terminal, the model AD795KN preamplifier output end electrical connection model NFQJ-DM5731 bandpass filter are defeated Enter end, handled by signal of the bandpass filter to input, for the accuracy for guaranteeing measurement, the model NFQJ- DM5731 bandpass filter output end is electrically connected the main amplifying circuit of model 9013, and main amplifying circuit plays electric current and turns voltage Effect, be not met by sampled voltage requirement by its amplified signal, need to apply the main amplifying circuit, the model 9013 main amplifying circuits are electrically connected model model TLC154 analog-digital converter input terminal, and the model TLC154 modulus turns Parallel operation output end is electrically connected model AT89C51 microcontroller input, is mounted with switch button in the control unit front, institute Switch button electrical connection model AT89C51 microcontroller input and lithium battery are stated, a lithium is equipped with inside the control unit Battery installation section is mounted in lithium battery mounting portion in the lithium battery;
It is equipped with a USB interface on the left of the control unit, is electrically connected model AT89C51 microcontroller;
The sealed container interior center is fixed with an installing ring, and the quartz curette is placed in installing ring and face Mounting portion.
Further, four ends in sealing container bottom surface angle is equipped with rubber mat.
Further, the support portion includes integrated board and the snap-gauge that is located on integrated board, L-shaped setting.
Further, the mounting portion bottom surface is equipped with a port.
Further, the sealing cover is equipped with extension circle.
Further, the model SPL-APD4 photodetector is photodiode, and the photodetector is with before Set the cable teflon insulation between amplifier.
Further, it is mounted with that battery cover, the battery cover upper and lower side are equipped with grab on the lithium battery mounting portion, institute It states that lithium battery mounting portion upper and lower side is equipped with card division and card division is fixed with a snap-gauge, card slot is formed between snap-gauge and card division, by institute Stating grab, clasp joint covers on lithium battery mounting portion in card division and by battery cover respectively.
Compared with prior art, the utility model beneficial effect achieved is:
By placing quartz curette in sealing container, photosensitive vegetables are placed in quartz curette, by installing on hinged lid Photodetector detection in portion, computer will be transmitted to by facilitating after data processing, in the card division that sealing container is externally provided with, be convenient for Holding hood, and hood is convenient for covering in sealing container;
Chemiluminescence and photoelectric detecting technology are combined, the design of light source in photodetector system is eliminated, to make It is lighter to obtain detection device, it is easier to the realization of on-site test;
Photoelectric detecting technology has detection sensitivity height, sampling amount few, quick, easy, can carry out in the presence of a harsh environment Line, continuous monitoring and other advantages provide a kind of new means quickly detected for Detecting Pesticide, before having a wide range of applications Scape and potential economic benefit.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of pesticide residue harmful substance device for fast detecting structural schematic diagram of the utility model;
Fig. 2 is the translucent cover structural schematic diagram of the utility model;
Fig. 3 is the structural schematic diagram of the lithium battery mounting portion of the utility model;
Fig. 4 is a kind of pesticide residue harmful substance device for fast detecting electrical connection schematic diagram of the utility model;
In figure: sealing container 1, rubber mat 11, lid 2, mounting portion 21, port 211, sealing cover 22, pore 221, outside Prolong circle 222, photodetector 3, cable 31, support portion 4, integrated board 41, snap-gauge 42, hood 5, cover 50, magic joint strip 501, Pore 52, control unit 6, preamplifier 61, bandpass filter 62, main amplifying circuit 63, analog-digital converter is coupled in the cover 51 631, microcontroller 64, lithium battery 65, switch button 66, liquid crystal display 67, lithium battery mounting portion 7, card division 71, snap-gauge 711, Battery cover 72, grab 73, installing ring 8, quartz curette 81.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-4, technical solution provided by the utility model: a kind of pesticide residue harmful substance quickly detects dress It sets, including sealing container 1, hood 5, quartz curette 81 and model SPL-APD4 photodetector;
1 bottom surface of sealing container, four ends angle is equipped with rubber mat 11, so that sealing container supporting & stablizing, hood It is used for covering on sealed container outside shading, facilitates installation, detectable substance is placed in quartz curette, which is by shining The mixture of substance and pesticide is combined into, for example has spilt the photosensitive vegetables of pesticide, includes containing light sensitivity in photosensitive vegetables The vegetables of substance, such as celery, lettuce, rape, spinach, three-coloured amaranth, pakchoi, Chinese milk vetch, Chenopodium album, leaf mustard, Herba Kalimeridis, dent Amaranth, Chinese milk vetch, fig, rumex root etc. excessively eat these photosensitive vegetables with pesticide residue and then shine too The scytitis such as erythema, papule, oedema will occur in sun, therefore to these photosensitive vegetables with pesticide residue harmful substance In Fast Determination of Pesticide Residue, to avoid excessive edible.
1 top surface of sealing container is hinged with a lid 2, is equipped with one in 2 bottom surface of lid and is mounted with model SPL-APD4 The mounting portion 21 of photodetector 3, the model SPL-APD4 photodetector are photodiode, the photodiode Cable teflon insulation between amplifier.2 bottom surface of mounting portion is equipped with a port 221, and the mounting portion 2 pushes up Face sealing cover 22 and sealing cover 22 are equipped with a pore 221, for across cable, the sealing cover 22 to be equipped with extension circle 222, It is covered on mounting portion, and the model SPL-APD4 photodetector 3 is equipped with cable 31, which passes through pore and access control In portion processed;
It is equipped with outside the sealing container 1 along the support portion 4 that its perimeter is arranged, the support portion 4 includes integrated board 41 and sets Snap-gauge 42 on integrated board 41, L-shaped setting.Hood 5 is mounted in the support portion 4;
As shown in Fig. 2, hood 5 includes:
It is thin that cover 50 and the cover 51 covered on lid 2 and the cover 51 are equipped with the mating being connected with pore 221 Hole 52;It is also used for across cable.
The control unit 6 of integral structure is equipped in 1 bottom surface of sealing container;
As shown in Figure 3-4, model AD795KN preamplifier 61, model are mounted in the control unit 6 AD795KN bandpass filter 62,9013 main amplifying circuit 63 of model, model TLC154 analog-digital converter 64, model AT89C51 microcontroller 64 and lithium battery 65, the cable 31 that the model SPL-APD4 photodetector 3 is equipped with pass through control Portion 6, control unit have the aperture across cable, so that the electrical connection model AD795KN preamplifier 61 of photodetector 3 is defeated Enter end, to model SPL-APD4 photodetector detect signal amplifies;It is put before the model AD795KN Big 61 output end of device is electrically connected 62 input terminal of model AD795KN bandpass filter, by bandpass filter to the signal of input into Row processing, the noise to guarantee the accuracy measured, in filtering circuit;The model AD795KN bandpass filter 61 exports End electrical connection main amplifying circuit 62, main amplifying circuit primarily serve the effect that electric current turns voltage, also by its amplified signal It is not able to satisfy sampled voltage requirement, signal is amplified again, enables signals to be received by A/D converter;The master is put Big circuit 62 is electrically connected 63 input terminal of model TLC154 analog-digital converter, and analog signal is converted into digital letter by analog-digital converter Number, 64 input terminal of microcontroller of 63 output end of the model TLC154 analog-digital converter electrical connection model AT89C51, 6 front of control unit is mounted with that switch button 66 and liquid crystal display 67, the switch button 66 are electrically connected model 64 input terminal of AT89C51 microcontroller and lithium battery 65;
It is equipped with a USB interface 67 on the left of the control unit 6, is electrically connected model AT89C51 microcontroller 64;USB Interface is electrically connected computer by USB connecting line, passes through the data of computer storage detection.
A lithium battery mounting portion 7 is equipped in the control unit 6, the lithium battery mounting portion 7 is mounted with battery cover 72, institute It states 72 upper and lower side of battery cover and is equipped with grab 73,7 upper and lower side of lithium battery mounting portion is equipped with card division 71, and card division 71 is fixed There is a snap-gauge 711, form card slot between snap-gauge 711 and card division 71, clasp joint is in card division and 71 will be electric by the grab 73 difference Pond lid 72 is covered in lithium battery mounting portion 7, and 67 output end of model AT89C51 microcontroller is electrically connected lithium battery 65.
1 inner hub location of sealing container is fixed with an installing ring 8, and the quartz curette 81 is placed in installing ring 8 And face mounting portion, photosensitive vegetables are placed in quartz curette.
Based on the above-mentioned scheme that illustrates, the present embodiment is in use, opens lid, quartz curette is placed in sealing container It placed the photosensitive vegetables with pesticide residue harmful substance on the installing ring that portion is equipped with and inside quartz curette, then sealing Container enclosure has a hood, and hood is that dark opaque cover since lid is equipped with mounting portion is mounted with light in mounting portion Electric explorer, face are placed on the photosensitive vegetables with pesticide residue harmful substance in quartz curette, and the photodetection Device to control unit, carries out detecting its working principle being based on by cable connection to the photosensitive vegetables with pesticide residue harmful substance Photoelectric effect.When photoelectric effect refers to that light is radiated on the photosensitive vegetables with pesticide residue harmful substance, there is pesticide residue The energy of the Electron absorption photon of the photosensitive vegetables of harmful substance and corresponding electrical effect has occurred.
Based on above-mentioned usage mode, the working principle that the present embodiment quickly detects pesticide residue harmful substance exists In: electric energy is conveyed by turning on the switch button in the intracavitary lithium battery of lithium battery, so that photodetector is to pesticide residue The photosensitive vegetables of harmful substance detect, and for detecting optical signal, the light source of perception is more, illustrates that pesticide concentration is big, and it is converted For electric signal, then by preamplifier to photodetector detect signal amplifies, made an uproar by band-pass filter Sound, filtered signal amplify signal again by main amplifying circuit, enable signals to be received by A/D converter, Analog signal is converted into digital signal by analog-digital converter, after microprocessor processes, is connected by USB jack by USB connecting line It is connected to computer, received signal by computer and is handled.
The utility model places photosensitive vegetables, by hinged by placing quartz curette in sealing container in quartz curette The photodetector of model SPL-APD4 in lid upper mounting portion detects, and computer will be transmitted to by facilitating after data processing, In the card division that sealing container is externally provided with, it is convenient for holding hood, and hood is convenient for covering in sealing container;
Chemiluminescence and photoelectric detecting technology are combined, the design of light source in photodetector system is eliminated, to make It is lighter to obtain detection device, it is easier to the realization of on-site test;
Photoelectric detecting technology has detection sensitivity height, sampling amount few, quick, easy, can carry out in the presence of a harsh environment Line, continuous monitoring and other advantages provide a kind of new means quickly detected for Detecting Pesticide, before having a wide range of applications Scape and potential economic benefit.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (7)

1. a kind of pesticide residue harmful substance device for fast detecting, it is characterised in that: including sealing container, hood, quartz curette With model SPL-APD4 photodetector;
The sealing container top surface is hinged with a lid, is equipped with one in lid bottom surface and is mounted with mounting portion, the mounting portion top surface Sealing cover is stamped in sealing and sealing cover is equipped with a pore, and the model SPL-APD4 photodetector is equipped with cable, the electricity Cable passes through pore;
It is equipped in the sealed container outside along the support portion that its perimeter is arranged, is mounted with hood in the support portion;
Hood includes:
Cover and cover on the cover on lid;
The cover is equipped with the magic joint strip being mutually bonded and the cover is equipped with the mating pore being connected with pore;
The control unit of integral structure is equipped in the sealing container bottom surface;
Model AD795KN preamplifier, model NFQJ-DM5731 bandpass filter, type are mounted in the control unit Number be 9013 main amplifying circuits, model TLC154 analog-digital converter, model AT89C51 microcontroller and lithium battery;
The model SPL-APD4 photodetector passes through control unit and electrical connection model AD795KN preamplifier input End, the model AD795KN preamplifier output end are electrically connected model NFQJ-DM5731 bandpass filter input terminal, It is handled by signal of the bandpass filter to input, for the accuracy for guaranteeing measurement, the model NFQJ-DM5731 band logical Filter output is electrically connected the main amplifying circuit of model 9013, and main amplifying circuit plays the role of electric current and turns voltage, passes through Its amplified signal is not met by sampled voltage requirement, need to apply the main amplifying circuit, the main amplification of the model 9013 Circuit is electrically connected model model TLC154 analog-digital converter input terminal, the model TLC154 AfD converter output It is electrically connected model AT89C51 microcontroller input, is mounted with switch button, the switch button in the control unit front It is electrically connected model AT89C51 microcontroller input and lithium battery, a lithium battery mounting portion is equipped with inside the control unit, It is mounted in lithium battery mounting portion in the lithium battery;
It is equipped with a USB interface on the left of the control unit, is electrically connected model AT89C51 microcontroller;
The sealed container interior center is fixed with an installing ring, and the quartz curette is placed in installing ring and face is installed Portion.
2. pesticide residue harmful substance device for fast detecting according to claim 1, it is characterised in that: the sealing container Four ends in bottom surface angle is equipped with rubber mat.
3. pesticide residue harmful substance device for fast detecting according to claim 1, it is characterised in that: the support portion includes Integrated board and the snap-gauge being located on integrated board, L-shaped setting.
4. pesticide residue harmful substance device for fast detecting according to claim 1, it is characterised in that: the mounting portion bottom Face is equipped with a port.
5. pesticide residue harmful substance device for fast detecting according to claim 1, it is characterised in that: the sealing cover is set There is extension circle.
6. pesticide residue harmful substance device for fast detecting according to claim 1, it is characterised in that: the model SPL-APD4 photodetector is photodiode, the cable polytetrafluoroethylene (PTFE) between the photodetector and preamplifier Insulation.
7. pesticide residue harmful substance device for fast detecting according to claim 1, it is characterised in that: the lithium battery peace It is mounted with that battery cover, the battery cover upper and lower side are equipped with grab in dress portion, the lithium battery mounting portion upper and lower side is equipped with card Portion and card division are fixed with a snap-gauge, and card slot is formed between snap-gauge and card division, by grab difference clasp joint in card division and by battery It covers on lithium battery mounting portion.
CN201822003964.8U 2018-12-01 2018-12-01 A kind of pesticide residue harmful substance device for fast detecting Expired - Fee Related CN209280568U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822003964.8U CN209280568U (en) 2018-12-01 2018-12-01 A kind of pesticide residue harmful substance device for fast detecting

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822003964.8U CN209280568U (en) 2018-12-01 2018-12-01 A kind of pesticide residue harmful substance device for fast detecting

Publications (1)

Publication Number Publication Date
CN209280568U true CN209280568U (en) 2019-08-20

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Application Number Title Priority Date Filing Date
CN201822003964.8U Expired - Fee Related CN209280568U (en) 2018-12-01 2018-12-01 A kind of pesticide residue harmful substance device for fast detecting

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111650193A (en) * 2020-06-18 2020-09-11 深圳市中鼎检测技术有限公司 Food pesticide residue rapid detection device and detection method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111650193A (en) * 2020-06-18 2020-09-11 深圳市中鼎检测技术有限公司 Food pesticide residue rapid detection device and detection method

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190820

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CF01 Termination of patent right due to non-payment of annual fee