CN212548385U

CN212548385U - Special liquid feeding vibration extractor for quick pesticide residue detection

Info

Publication number: CN212548385U
Application number: CN202021109909.8U
Authority: CN
Inventors: 谭昆; 曾建华; 王坚; 张晓荣; 张鸿
Original assignee: Leader Linuo Biotechnology Beijing Co ltd; Nanchang Futai Linuo Detection Application System Co ltd
Current assignee: Leader Linuo Biotechnology Beijing Co ltd; Nanchang Futai Linuo Detection Application System Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-19
Anticipated expiration: 2030-06-16

Abstract

The utility model belongs to the technical field of pesticide residue measurement, in particular to a special liquid adding oscillating extractor for quick pesticide residue detection; the device comprises a liquid adding system and an oscillation extracting device, wherein the upper part and the lower part of the oscillation extracting device are movably connected, the upper half part of the oscillation extracting device is a sample disc, and a plurality of sample cup grooves are uniformly distributed on the outer ring of the sample disc; the lower half part of the oscillation extraction equipment is a controller, the upper top surface of the controller is electrically connected with the sample tray, the front surface of the controller is provided with a control panel, the control panel is provided with a plurality of display interfaces and a plurality of adjusting buttons, and the rear side surface of the controller is connected with a liquid adding system; the liquid adding system comprises a liquid adding pump, a liquid adding needle, an extraction liquid bottle and a liquid taking pipe. The utility model has the advantages that: the automatic liquid adding and automatic oscillation and uniform shaking of the sample cup can be realized; the data is supported to be transmitted to the outside, and digitization and informatization are realized, so that the inspection is more accurate, and the process is more controllable; can meet the requirement of simultaneously detecting various samples and improve the working efficiency.

Description

Special liquid feeding vibration extractor for quick pesticide residue detection

Technical Field

The utility model belongs to the technical field of pesticide residue measures technique and specifically relates to a special liquid feeding vibration extractor is examined soon to incomplete farming.

Background

With the emphasis on the food safety degree of people, a food safety inspector is often required to accurately and quickly detect a large number of food samples, and when the food samples are detected, the safety inspector manually takes a certain amount of samples, puts the samples into sample cups, puts extracting solution into the sample cups, and puts the sample cups on oscillation extraction equipment for extraction so as to perform subsequent item detection. The following problems often occur: firstly, a food security inspector needs to prepare a weighing balance, a liquid adding device and an oscillating extraction device, and also needs to carry an extracting solution container, a sample cup, a measuring tool and the like, so that the food security inspector has various types of articles, is not easy to manage, has complicated operation steps and cannot realize integrated operation; secondly, automatic control cannot be realized in the manual operation process, and human errors cannot be avoided, so that the inspection accuracy is low, and the controllability of the inspection process is poor; and thirdly, when the food samples are too many, the operators need to repeat a large amount of work, and the working efficiency is low.

At present, a food quick inspection machine which can meet the requirements of integrally and automatically completing the liquid adding oscillation extraction work of samples when a large number of food samples are various is urgently needed.

Disclosure of Invention

The utility model aims at providing a special liquid feeding vibration extractor is examined soon to incomplete farming for solving among the prior art too loaded down with trivial details, the inspection process inaccuracy, the not high problem of work efficiency of food sample liquid feeding vibration extraction process.

The technical scheme of the utility model is that: the special liquid adding oscillation extractor for the rapid pesticide residue detection comprises a liquid adding system and an oscillation extraction device; the device comprises an oscillation extraction device, a sample tray, a sample cup groove and a control device, wherein the oscillation extraction device is divided into an upper part and a lower part, the upper part and the lower part of the oscillation extraction device are movably connected, the upper part of the oscillation extraction device is the sample tray, the sample tray is cylindrical and can rotate anticlockwise and clockwise, and the sample tray is uniformly provided with the sample cup grooves along the outer ring; the lower part of the oscillation extraction equipment is provided with a controller, the upper top surface of the controller is electrically connected with the sample tray, the front surface of the controller is provided with a control panel, the control panel is provided with a plurality of display interfaces and a plurality of adjusting buttons, and the rear side surface of the controller is connected with the liquid adding system; the liquid adding system comprises a liquid adding pump, a liquid adding needle, an extraction liquid bottle and a liquid taking pipe; the liquid feeding needle is located above the sample cup, the height of the liquid feeding needle is accurate in liquid feeding and free rotation of the sample plate is not affected, the liquid feeding needle tube is connected with the liquid feeding pump, the liquid feeding pump is electrically connected with the rear side face of the controller, the liquid feeding pump is further connected with one end of the liquid taking pipe, and the other end of the liquid taking pipe penetrates into the liquid extracting bottle.

Further, a liquid adding display interface, a liquid adding amount increasing and decreasing button and a liquid adding frequency button are arranged on the control panel; the control panel is also provided with a sample plate rotating speed display interface, a sample plate rotating speed adjusting button, a timing time interface and a timing time increasing and decreasing button.

Further, the sample tray can be replaced according to the size and the number of the sample cups which are arranged as required, when the number of the sample cups is more or less, the sample tray with more or less corresponding sample cup grooves can be used, and when the size of the sample cups is larger or smaller, the sample tray with larger or smaller corresponding sample cup grooves can be used; wherein the size of the sample cup is 10ml-100ml, and the number of the sample cups is 4-40.

Furthermore, the liquid adding needle is provided with a front and back adjusting mechanism in the horizontal direction, when the diameter of the sample cup changes, one end of the needle head of the liquid adding needle can move in the horizontal direction according to the position of the sample cup until the position of the needle head of the liquid adding needle is adjusted to the center of the sample cup.

Further, the charging pump can adopt a peristaltic pump or a syringe pump.

Furthermore, the extracting solution bottle is provided with scales and is made of transparent materials.

Furthermore, the controller power supply can adopt a direct-insertion type electricity or lithium battery electricity storage system, so that the field operation of a food security inspector is facilitated.

The utility model has the advantages and positive effects that: special liquid feeding vibration extractor is examined soon to incomplete farming, including liquid feeding system and vibration extraction equipment two parts, the controller function in the vibration extraction equipment has sample dish control function, liquid feeding system control function, be equipped with a plurality of parameter display interface and function adjustment button on control panel, after setting for inspection parameter key and starting, liquid feeding vibration extractor begins work and sends buzzing suggestion completion operation after accomplishing, can realize the collection and rotate, carry out the self-feeding to the sample, shake even work in an organic whole to the sample cup, reduce the management to various equipment, the operating procedure is simple easily can.

The automatic control of liquid adding and oscillation of the sample is realized in the whole inspection process, the error caused by manual operation is avoided, the control panel can adopt an electromechanical control mode, and a tablet personal computer and an Andorid intelligent system can also be adopted to realize more intelligent control; the control panel is provided with a plurality of parameter display interfaces and a plurality of function buttons, data are supported to be transmitted externally, digitization and informatization are achieved, the operation process is more precise, the number is more accurate, and the controllability of the whole process is stronger.

When a plurality of samples are inspected, the samples can be placed in the sample cups in a one-to-one correspondence mode, the corresponding sample trays are selected according to the number and the size of the sample cups, and during operation, only one-time liquid adding, oscillation frequency and time numerical values are set on the control panel, so that the plurality of samples can be inspected and detected simultaneously, the problem of low working efficiency caused by repeated manual labor is solved, and the inspection working efficiency is improved.

The liquid adding needle in the liquid adding system can be adjusted in the horizontal direction, when the size of the sample cup changes, the needle head of the liquid adding needle can be ensured to be accurately positioned right above the sample cup, so that accurate liquid adding is ensured, the free rotation of the sample plate is not influenced, and liquid is not splashed; the extraction liquid bottle is made of transparent material with scales, so that the using condition of the treatment liquid can be conveniently observed, and the quantity of the treatment liquid is controlled.

Drawings

FIG. 1 is a side view of a special liquid-feeding oscillating extractor for quick detection of pesticide residues.

Fig. 2 is a front schematic view of a special liquid-adding oscillating extractor for quick detection of pesticide residues.

Fig. 3 is a schematic top view of a sample tray.

In the figure:

11. sample plate 12, controller 13, sample cup 14, controller back side 15, control panel 16, sample cup groove 21, liquid adding needle 22, peristaltic pump 23, liquid taking tube 24, liquid extracting bottle 25, liquid adding needle 31, controller switch 32, timing time increasing and decreasing button 33, timing time display interface 34, liquid adding amount increasing and decreasing button 35, liquid adding amount display interface 36, liquid adding times button 37, rotating speed adjusting button 38 and rotating speed display interface

Detailed Description

Examples

The special liquid adding oscillation extractor for the quick detection of pesticide residues comprises a sample disc 11, a controller 12, a liquid adding needle 21, a peristaltic pump 22, a liquid taking tube 23 and an extracting solution bottle 24, wherein 4 sample cup grooves 16 are formed in the sample disc 11, the sample disc 11 is electrically connected with the upper top surface of the controller 12, the rear side surface 14 of the controller is electrically connected with the peristaltic pump 22, the liquid adding needle 21 and the liquid taking tube 23 are arranged on the peristaltic pump 22, a needle head 25 of the liquid adding needle is positioned above a sample cup 13, and the other end of the liquid taking tube 23 is inserted into the transparent extracting solution bottle 24 with scales; the front of the controller 12 is provided with a control panel 15, the control panel 15 adopts a tablet personal computer and an Andorid intelligent system, supports data transmission to the outside, realizes digitization and informatization, the control panel 15 is provided with a timing time increase and decrease button 32, a timing time display interface 33, a liquid adding amount increase and decrease button 34, a liquid adding amount display interface 35, a liquid adding frequency button 36, a rotating speed adjusting button 37 and a rotating speed display interface 38, and one side of the controller 12 is provided with a controller switch 31.

The specific working process is as follows: the method comprises the steps that pesticide residue detection is required to be carried out on 4 leek samples, 8g of the 4 samples can be weighed respectively, the samples are placed in 60ml sample cups 13 respectively, the sample cups 13 do not need to be sealed, the sample cups 13 containing the samples are placed in sample cup grooves 16 respectively, liquid adding needle heads 25 are located above the sample cups 13, the height is guaranteed not to enable liquid to be splashed out of treatment liquid, the positions of the liquid adding needle heads 25 are aligned to the center positions of the sample cups 13, a controller 12 is connected with a power supply in an in-line mode, 4 times of liquid adding times are pressed on a control panel 15, a liquid adding amount increasing and decreasing button 34 is pressed, the amount of the added liquid is adjusted, a rotating speed adjusting button 37 is pressed, the rotating speed of a sample plate 11 is adjusted, a timing time increasing and decreasing button 32 is pressed, and after the rotating time of the sample plate 11 is adjusted, a controller; the peristaltic pump 22 is communicated with an extraction liquid bottle 24 through a liquid taking pipe 23, an extraction liquid is pumped into the liquid adding needle 21, after the liquid adding needle 21 injects a treatment liquid into one sample cup 13, the sample plate 11 rotates, a second sample cup 13 is arranged below the liquid adding needle head 25, the liquid adding needle 21 adds liquid into the second sample cup 13, and the sample plate 11 starts shaking up and oscillating after the treatment liquid is added into all 4 sample cups 13 until the oscillation extraction is finished.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. Incomplete special liquid feeding vibration extractor of examining soon of farming, its characterized in that: the device consists of a liquid adding system and an oscillation extraction device;

the device comprises an oscillation extraction device, a sample disc, a sample cup groove and a control device, wherein the oscillation extraction device is divided into an upper part and a lower part, the upper part and the lower part of the oscillation extraction device are movably connected, the upper part of the oscillation extraction device is the sample disc, the sample disc is cylindrical and can rotate anticlockwise and clockwise, and the sample disc is uniformly provided with the sample cup grooves along the outer ring; the lower part of the oscillation extraction equipment is provided with a controller, the upper top surface of the controller is electrically connected with the sample tray, the front surface of the controller is provided with a control panel, the control panel is provided with a plurality of display interfaces and a plurality of adjusting buttons, and the rear side surface of the controller is connected with the liquid adding system;

the liquid feeding system is including liquid feeding pump, liquid feeding needle, extraction liquid bottle and liquid taking pipe, wherein, liquid feeding needle syringe needle is located the sample cup top, liquid feeding needle syringe needle with the liquid feeding pump is connected, the liquid feeding pump with the controller trailing flank is through the electricity and is connected, the liquid feeding pump still with liquid taking pipe one end is connected, the liquid taking pipe other end penetrates in the extraction liquid bottle.

2. The special liquid feeding vibration extractor for quick pesticide residue detection as claimed in claim 1, wherein: a liquid adding display interface, a liquid adding quantity increasing and decreasing button and a liquid adding frequency button are arranged on the control panel; the control panel is also provided with a sample plate rotating speed display interface, a sample plate rotating speed adjusting button, a timing time interface and a timing time increasing and decreasing button.

3. The special liquid feeding vibration extractor for quick pesticide residue detection as claimed in claim 2, wherein: the sample tray can be replaced according to the size and the number of sample cups required to be arranged, wherein the size of the sample cups ranges from 10ml to 100ml, and the number of the sample cups ranges from 4 to 40.

4. The special liquid feeding vibration extractor for quick pesticide residue detection as claimed in claim 3, wherein: the charging pump can adopt a peristaltic pump or a syringe pump.

5. The special liquid feeding vibration extractor for quick pesticide residue detection as claimed in claim 4, wherein: the extraction liquid bottle is provided with scales, and the material has transparent property.

6. The special liquid feeding vibration extractor for quick pesticide residue detection as claimed in claim 5, wherein: the controller power supply can adopt a direct-insertion type electricity or lithium battery electricity storage system.