CN208270430U - A kind of food pesticide residue detection device - Google Patents

Abstract

The utility model proposes a kind of food pesticide residue detection devices, including food pretreatment unit and detection device, the food pretreatment unit includes cylinder, upper cover and lower cover, is equipped with stripper plate in cylinder, inner barrel is separated into upper chamber and lower chambers by stripper plate；Extrusion head is equipped in upper chamber, bottom chamber is detachably equipped with filter screen, lower cover is located at lower chambers lower part, lower chambers are equipped with deflector, it is additionally provided at least two vertical clapboards in lower cover and forms detection liquid bath, detection liquid bath bottom is connect by detecting liquid conveyance conduit with detection device, detection device includes detection liquid storage container, one end of detection liquid storage container is provided with excitation light irradiation module, the other end is provided with Raman light collection module, Raman light collection module is connect with comparative analysis module, comparative analysis module is separately connected with reference to Raman spectrogram storage module and display module.The utility model using Raman spectrum is residual to food middle peasant by detecting, and high-efficient, testing cost is low.

Description

A kind of food pesticide residue detection device

Technical field

The utility model relates to food safety detection apparatus fields, particularly relate to a kind of food pesticide residue detection device.

Background technique

Pesticide Residues refer to remain in after Pesticide use it is micro in organism, agricultural product (or food) and environment Pesticide also includes the toxic metabolite and impurity of pesticide, is pesticide and the general name of other related substances in addition to pesticide itself.It is residual The pesticide residue quantity deposited is known as remaining quantity, with how many milligram in every kilogram of sample (mg/Kg is indicated).Pesticide residue is application Inevitable phenomenon afterwards can be generated to people and animals' adverse effect or by food chain but if being more than maximum residue limit standard to life Biology in state system causes the risk poisoned.Therefore very necessary to the detection of Pesticide Residues amount.Current pesticide is residual The analysis and detection stayed depend on the large-scale instrument in laboratory to complete, complicated for operation, low efficiency, and testing cost is high.

Utility model content

The utility model proposes a kind of food pesticide residue detection devices, solve complicated for operation in the prior art, efficiency It is low, the high problem of testing cost.

The technical solution of the utility model is achieved in that

A kind of food pesticide residue detection device, including food pretreatment unit and detection device, the food pretreatment Device includes cylinder, upper cover and lower cover, and upper lid is equipped with the hole equal with intake port, arc-shaped squeeze is equipped in the cylinder Inner barrel is separated into upper chamber and lower chambers by pressing plate, stripper plate, and connection upper chamber and lower chambers are distributed on stripper plate Filter opening；Extrusion head is equipped in upper chamber, the bottom shape of the extrusion head and the bottom shape of stripper plate fit, extrusion head warp Pillar is connect with the handle outside cylinder；Bottom chamber is detachably equipped with filter screen, and filter screen is in reverse frustoconic, under lower cover is located at The lower part of chamber, lower chambers are equipped with the detachable deflector of herringbone, and at least two vertical clapboards are additionally provided in lower cover and form detection The bottom end of liquid bath, the top of the partition and deflector is equipped with and the detection liquid bath quantity is consistent leads against, deflector Discharge orifice；Detection liquid bath bottom is connect by detecting liquid conveyance conduit with detection device, and the detection device includes detection liquid storage Container, detection liquid storage container are connect with detection liquid conveyance conduit, and one end of detection liquid storage container is provided with exciting light and shines Module is penetrated, the other end is provided with Raman light collection module, and Raman light collection module is connect with comparative analysis module, comparative analysis mould Block is separately connected with reference to Raman spectrogram storage module and display module.

Preferably, flowmeter and solenoid valve are provided on detection liquid conveyance conduit, flowmeter and solenoid valve with control Device connection can need the additive amount of accurate control detection liquid according to detection, improve detection accuracy.

Preferably, the excitation light irradiation module, Raman light collection module, comparative analysis module, with reference to Raman spectrogram Storage module, display module and controller connect to power supply.

It preferably, is helicitic texture with cylinder shell upper end face inside upper cover, and outside upper cover inside diameter and cylinder Shell outer dia is equal.

The utility model has the following beneficial effects:

1. being squeezed out in use, food to be detected is added in upper chamber from feed inlet by extrusion head and stripper plate cooperation Juice, juice enter bottom chamber, and filter screen is filtered juice after extruding, avoid influencing detection effect, and along leading The deflector hole of flowing plate enters detection liquid bath.Upper cover, lower cover, deflector etc. are removable to be unloaded down, is respectively washed, and next detection is facilitated, The cross-infection for avoiding provision room, influences detection effect.

2. the utility model, can by being detected using ingredient and concentration of the Raman spectrum to Pesticide Residues object It realizes purpose that is efficient, easy and accurately examining, is suitable for field quick detection, high-efficient, testing cost is low.

3. the utility model is using squeezing food samples manually, easy to operate, structure is simple, at low cost, stripper plate and squeezes The shape of pressure head fits, and it is good to squeeze juice effect.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is a kind of structural schematic diagram of food pesticide residue detection device of the utility model；

Wherein, 1. handle, 2. pillars, 3. upper covers, 4. cylinders, 5. extrusion heads, 6. stripper plates, 7. filter openings, 8. filter screens, 9. Deflector, 10. deflector holes, 11. partitions, 12. lower covers, 13. detection liquid conveyance conduits, 14. flowmeters, 15. controllers, 16. electricity Magnet valve, 17. excitation light irradiation modules, 18. detection liquid storage containers, 19. Raman light collection modules, 20. comparative analysis modules, 21. referring to Raman spectrogram storage module, 22. display modules.

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 creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

A kind of food pesticide residue detection device, as shown in Figure 1, including food pretreatment unit and detection device, it is described Food pretreatment unit includes cylinder 4, upper cover 3 and lower cover 12, and upper cover 3 is equipped with the hole equal with intake port, the cylinder Arc-shaped stripper plate 6 is equipped in body 4, stripper plate 6 will be separated into upper chamber and lower chambers, be distributed on stripper plate 6 inside cylinder 4 It is connected to the filter opening 7 of upper chamber and lower chambers；Extrusion head 5, the bottom shape and stripper plate 6 of the extrusion head 5 are equipped in upper chamber Bottom shape fit, extrusion head 5 is connect through pillar 2 with the handle 1 outside cylinder 4；Bottom chamber is detachably equipped with filtering Net 8, filter screen 8 are in reverse frustoconic, and lower cover 12 is located at the lower part of lower chambers, and lower chambers are equipped with the detachable deflector 9 of herringbone, under It is additionally provided at least two vertical clapboards 11 in lid 12 and forms detection liquid bath, the top of the partition 11 and the bottom end of deflector 9 are supported It leans on, deflector 9 is equipped with and the consistent deflector hole 10 of detection liquid bath quantity；It detects liquid bath bottom and passes through detection liquid delivery pipe Road 13 is connect with detection device, and the detection device includes detection liquid storage container 18, detection liquid storage container 18 and detection liquid Conveyance conduit 13 connects, and one end of detection liquid storage container 18 is provided with excitation light irradiation module 17, the other end is provided with drawing Graceful smooth collection module 19, Raman light collection module 19 are connect with comparative analysis module 20, and comparative analysis module 20 is separately connected ginseng Examine Raman spectrogram storage module 21 and display module 22.

Based on the above technical solution, it is provided with flowmeter 14 and solenoid valve 16 on detection liquid conveyance conduit 13, Flowmeter 14 and solenoid valve 16 are connect with controller 15, and the additive amount of accurate control detection liquid can be needed according to detection, is mentioned High measurement accuracy.

Based on the above technical solution, the excitation light irradiation module 17, Raman light collection module 19, comparative analysis Module 20 is connected to power supply with reference to Raman spectrogram storage module 21, display module 22 and controller 15.

Based on the above technical solution, 3 inside of upper cover and 4 upper shell surface of cylinder are helicitic texture, and on 3 inside diameter of lid is equal with 4 shell exterior diameter of cylinder.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (4)

1. a kind of food pesticide residue detection device, which is characterized in that including food pretreatment unit and detection device, the food Product pretreatment unit includes cylinder, upper cover and lower cover, and upper lid is equipped with the hole equal with intake port, is equipped in the cylinder Inner barrel is separated into upper chamber and lower chambers by arc-shaped stripper plate, stripper plate, be distributed on stripper plate connection upper chamber and The filter opening of lower chambers；Extrusion head is equipped in upper chamber, the bottom shape of the extrusion head and the bottom shape of stripper plate fit, Extrusion head is connect through pillar with the handle outside cylinder；Bottom chamber is detachably equipped with filter screen, and filter screen is in reverse frustoconic, under Lid is located at the lower part of lower chambers, and lower chambers are equipped with the detachable deflector of herringbone, are additionally provided at least two vertical clapboards in lower cover Detection liquid bath is formed, the top of the partition and the bottom end of deflector are against deflector is equipped with and the detection liquid bath quantity Consistent deflector hole；Detection liquid bath bottom is connect by detecting liquid conveyance conduit with detection device, and the detection device includes inspection Liquid storage container is surveyed, detection liquid storage container is connect with detection liquid conveyance conduit, is provided in one end of detection liquid storage container Light irradiation module is excited, the other end is provided with Raman light collection module, and Raman light collection module is connect with comparative analysis module, right It is separately connected than analysis module with reference to Raman spectrogram storage module and display module.

2. a kind of food pesticide residue detection device as described in claim 1, which is characterized in that on detection liquid conveyance conduit It is provided with flowmeter and solenoid valve, flowmeter and solenoid valve are connect with controller, and accurate control inspection can be needed according to detection The additive amount of liquid is surveyed, detection accuracy is improved.

3. a kind of food pesticide residue detection device as described in claim 1, which is characterized in that the exciting light irradiates mould Block, Raman light collection module, comparative analysis module, with reference to Raman spectrogram storage module, display module and controller with electricity Source connection.

4. a kind of food pesticide residue detection device as described in claim 1, which is characterized in that upper cover inside and cylinder shell Upper end face is helicitic texture, and upper cover inside diameter is equal with cylinder shell outer dia.