CN210675270U - Chemical examination platform for detecting pesticide residues of crops - Google Patents

Abstract

The utility model discloses a crops pesticide residue detects uses chemical examination platform, including chassis, detection case, the side surface vertically is equipped with storage drawers before the chassis of sealing door top, the vertical basin that is equipped with of top surface one end of chassis top workstation, the workstation top surface of basin rear side is equipped with decompression tap, the collection intracavity wall top of accuse liquid case front side is through the vertical dropping liquid pipe that is equipped with of accuse flow valve, the vertical fixed volume collet chuck that is provided with of collection intracavity front side inner wall of dropping liquid pipe below, the workstation top surface longitudinal fixation of detection case one side is provided with the oscillation liquid and draws the case. The utility model discloses set for sample acquisition data and will detect the inside that required graduated flask is limited to the graduated flask clamp according to the detection demand through control panel during the use, the dropping liquid pipe is with proper amount pesticide residue detection solution injection graduated flask and shift it to the oscillating liquid and draw the case and accomplish the pesticide and draw the operation under the effect of flow control valve, and the measurement and the extraction operation of automated control detection liquid, excellent in use effect.

Description

A laboratory bench for the detection of pesticide residues in crops

technical field

The utility model relates to the technical field of laboratory benches, in particular to a laboratory bench for detecting pesticide residues in crops.

Background technique

The development of agricultural industrialization makes the production of agricultural products more and more dependent on exogenous substances such as pesticides, antibiotics and hormones. The amount of pesticides used in agricultural products in my country remains high, and the unreasonable use of these substances will inevitably lead to excessive pesticide residues in agricultural products, which will affect the food safety of consumers. die. Excessive pesticide residues will also affect the trade of agricultural products. Countries around the world attach great importance to the problem of pesticide residues, and have stipulated more and more stringent limit standards for pesticide residues in various agricultural and sideline products, making China's agricultural exports facing severe challenges. Most of the existing testing benches for pesticide residues are ordinary testing benches. Due to the strong toxicity of pesticides, there are potential safety hazards in the use of non-protective testing benches, and the collection and extraction of residue samples requires manual control, and the detection cycle is long. Poor usability.

Utility model content

The purpose of the utility model is to provide a laboratory bench for detection of pesticide residues in crops, so as to solve the problem that the laboratory bench has no protective structure in the prior art, and the collection and extraction operations of residual samples require manual control.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a laboratory bench for detecting pesticide residues in crops, comprising a bottom frame and a detection box, and an L-shaped inner hidden cavity is longitudinally opened in the middle of the bottom end of the front side surface of the bottom frame, The inner hidden cavity and the front side surface of the bottom frame outside the hidden cavity are respectively movably provided with sealing doors by opening grooves, and a plurality of storage drawers are longitudinally movably arranged on the front side surface of the bottom frame above the sealing doors. The surface is laterally fixed with a workbench, the middle of one end of the top surface of the workbench is vertically fixed with a water tank by opening a rectangular through hole, and the top surface of the workbench on the rear side of the water tank is vertically fixed with a decompression seat through a sealing seat. For the water faucet, a liquid control box is vertically fixed in the middle of the top surface of the workbench on one side of the water tank, and a C-shaped collection cavity is laterally opened in the middle of the front surface of the liquid control box. The top of the inner wall of the collection cavity passes through a flow control valve A plurality of drip tubes are vertically fixed, and a measuring collet is vertically fixed on the front inner wall of the collection chamber below the drip tubes, and the detection box is vertically fixed on the top surface of one end of the workbench away from the water tank. A vibration liquid extraction box is fixed longitudinally on the top surface of the worktable on one side of the detection box.

Preferably, a plurality of sets of pulleys are longitudinally movably arranged on the bottom surface of the bottom frame by arranging a U-shaped support rod, and the two sets of pulleys at both ends of the bottom of the base frame are universal wheels.

Preferably, the inner wall of the bottom frame on the rear side of the sealing door is provided with a plurality of sealed agent storage chambers horizontally through the partition plate, and a display is vertically provided on the top surface of the worktable between the liquid control tank and the oscillating liquid extraction tank.

Preferably, a waste liquid recovery tank is vertically fixed on the inner wall of the chassis below the water tank, and the liquid inlet end of the waste liquid recovery tank is communicated with the water outlet end of the water tank through a filtering device.

Preferably, a sewage pipe is fixed obliquely on the upper end of the surface of the bottom frame near the water tank.

Preferably, a control panel is laterally provided on the front side surface of the liquid control tank above the collection cavity, and the control panel is electrically connected to the flow control valve above the drip tube via a programmable controller.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The inner wall of the collection chamber on the front side of the liquid control box is vertically provided with a drip tube through the flow control valve, and the inner wall of the front side of the collection chamber under the drip tube is vertically provided with a measuring collet. When using, the measuring cylinder required for detection is limited to Inside the graduated cylinder clamp, under the action of the flow control valve, the drip tube injects an appropriate amount of pesticide residue detection liquid into the graduated cylinder and transfers it to the oscillating liquid extraction box to complete the pesticide extraction operation, and automatically controls the measurement and extraction of the detection liquid.

2. A waste liquid recovery tank is vertically installed on the inner wall of the chassis under the water tank through the filtering equipment, which can effectively collect pesticide residues to ensure the safety of detection, and the collection and extraction of pesticide residues adopts closed automatic operation, which effectively enhances the protection performance. Strong practicality.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the internal structure schematic diagram of the utility model chassis;

FIG. 3 is an enlarged structural schematic diagram of the liquid control tank of the present invention.

In the picture: 1. Bottom frame; 2. Detection box; 3. Inner cavity; 4. Sealed door; 5. Storage drawer; 6. Workbench; 7. Water tank; 8. Decompression tap; 9. Liquid control tank; 10. Collection chamber; 11. Drop tube; 12. Graduated collet; 13. Vibrating liquid extraction box; 14. Pulley; 15. Sealed storage chamber; 16. Display; 17. Waste liquid recovery tank; 18. Sewage pipe; 19. Control panel.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1 , 2 and 3 . In an embodiment of the present utility model, a laboratory bench for detecting pesticide residues in crops includes a bottom frame 1 and a detection box 2 . L-shaped inner hidden cavity 3, the inner hidden cavity 3 and the front side surface of the outer chassis 1 are respectively movably provided with a sealing door 4 by opening grooves, and a plurality of storages are longitudinally movable longitudinally on the front side surface of the chassis 1 above the sealing door 4 The drawer 5, the top surface of the bottom frame 1 is laterally fixed with a workbench 6, the middle part of one end of the top surface of the workbench 6 is vertically fixed with a water tank 7 by opening a rectangular through hole, and the top surface of the workbench 6 on the rear side of the water tank 7 passes through The sealing seat is vertically fixed with a decompression faucet 8, the middle of the top surface of the workbench 6 on one side of the water tank 7 is vertically fixed with a liquid control box 9, and a C-shaped collection cavity 10 is horizontally opened in the middle of the front surface of the liquid control box 9. , the top of the inner wall of the collection cavity 10 is vertically fixed with a plurality of drip tubes 11 through the flow control valve, the inner wall of the front side of the collection cavity 10 below the drip tubes 11 is vertically fixed with a measuring collet 12, and the detection box 2 is vertically fixed and set On the top surface of one end of the workbench 6 away from the water tank 7, the top surface of the workbench 6 on the side of the detection box 2 is longitudinally fixed with an oscillating liquid extraction box 13; The pulleys 14, the two groups of pulleys 14 at the bottom ends of the bottom frame 1 are universal wheels, which are convenient for moving and adjusting operations; the inner wall of the bottom frame 1 on the rear side of the sealing door 4 is horizontally provided with a plurality of sealed storage chambers 15 through the partitions, and the liquid control tank The top surface of the worktable 6 between the 9 and the oscillating liquid extraction box 13 is vertically provided with a display 16 to meet the needs of use; the inner wall of the bottom frame 1 below the water tank 7 is vertically fixed with a waste liquid recovery tank 17, and the waste liquid recovery tank 17 The liquid inlet end of the water tank 7 is connected with the water outlet end of the water tank 7 through the filtering equipment, which is convenient for the collection of waste liquid to ensure the safety of detection; The one-way valve is connected to the sewage end of the filter equipment between the waste liquid recovery tank and the water tank 7, which is convenient for later cleaning operations. The programming controller is electrically connected with the flow control valve above the drip tube 11 to meet the needs of automatic control.

The working principle and use process of the present utility model: during use, the sample collection data is set through the control panel 19 according to the detection requirements, and the measuring cylinder required for the detection is limited to the inside of the measuring cylinder clamp 12. The pesticide residue detection liquid is injected into the graduated cylinder and transferred to the oscillating liquid extraction box 13 to complete the pesticide extraction operation, and the measurement and extraction operations of the detection liquid are automatically controlled, and the use effect is good.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A test bench for crop pesticide residue detection, comprising a chassis (1), a detection box (2), and characterized in that: the front surface bottom end middle of the chassis (1) is longitudinally provided with an L-shaped inner recess Cavity (3), a sealing door (4) is movably provided on the front surface of the inner hidden cavity (3) and the outer chassis (1) by opening grooves, and the chassis (1) above the sealing door (4) is movably provided with a sealing door (4). ) A plurality of storage drawers (5) are longitudinally movably arranged on the front side surface, a workbench (6) is fixed laterally on the top surface of the bottom frame (1), and one end of the middle of the top surface of the workbench (6) passes through A water tank (7) is vertically fixed with a rectangular through hole, and a decompression tap (8) is vertically fixed on the top surface of the workbench (6) on the rear side of the water tank (7) through a sealing seat, and the water tank ( 7) A liquid control box (9) is vertically fixed in the middle of the top surface of the workbench (6) on one side, and a C-shaped collection cavity (10) is laterally opened in the middle of the front side surface of the liquid control box (9). A plurality of drip tubes (11) are vertically fixed on the top of the inner wall of the collection cavity (10) through a flow control valve, and a measuring cylinder is vertically fixed on the front inner wall of the collection cavity (10) below the drip tubes (11). A clamp (12), the detection box (2) is vertically fixed on the top surface of one end of the workbench (6) away from the water tank (7), and the top surface of the workbench (6) on one side of the detection box (2) is longitudinally fixed A shaking liquid extraction box (13) is provided. 2. A kind of testing bench for crop pesticide residue detection according to claim 1, is characterized in that: the bottom surface of described chassis (1) is provided with a plurality of groups of pulleys (14) longitudinally movable by setting U-shaped support rods, The two sets of pulleys (14) at both ends of the bottom of the chassis (1) are universal wheels. 3. The test bench for detecting pesticide residues in crops according to claim 1, characterized in that: the inner wall of the chassis (1) on the rear side of the door (4) is horizontally provided with a plurality of sealed storage chambers through a partition plate (15), a display (16) is vertically provided on the top surface of the worktable (6) between the liquid control tank (9) and the oscillating liquid extraction tank (13). 4. The laboratory bench for detecting pesticide residues in crops according to claim 1, wherein the inner wall of the chassis (1) below the water tank (7) is vertically fixed and provided with a waste liquid recovery tank (17), The liquid inlet end of the waste liquid recovery tank (17) is communicated with the water outlet end of the water tank (7) through a filtering device. 5. The test bench for detecting pesticide residues in crops according to claim 4, wherein the bottom frame (1) is provided with a sewage pipe (18) obliquely fixed on the upper end of one side surface of the underframe (1) close to the water tank (7), The liquid inlet end of the sewage pipe (18) is communicated with the sewage discharge end of the filtering device between the waste liquid recovery tank and the water tank (7) through a one-way valve. 6. The laboratory bench for detecting pesticide residues in crops according to claim 1, characterized in that: a control panel (19) is laterally provided on the front side surface of the liquid control box (9) above the collection cavity (10), The control panel (19) is electrically connected with the flow control valve above the drip tube (11) via a programmable controller.

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