CN217738368U

CN217738368U - Pesticide quantitative detection device

Info

Publication number: CN217738368U
Application number: CN202221621556.9U
Authority: CN
Inventors: 陈鹃
Original assignee: Heilongjiang Bayi Agricultural University
Current assignee: Heilongjiang Bayi Agricultural University
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-11-04
Anticipated expiration: 2032-06-27

Abstract

The utility model belongs to the technical field of pesticide check out test set, concretely relates to pesticide quantitative detection device, including the explosive box, a quantification section of thick bamboo, the lateral wall of a quantification section of thick bamboo is equipped with the scale mark, a quantification section of thick bamboo passes through inlet tube and explosive box intercommunication, the inlet tube is located a quantification section of thick bamboo lateral wall lower extreme, be equipped with the solenoid valve on the inlet tube, and then at the inside buoyancy ball that is provided with of a quantification section of thick bamboo, the external diameter of buoyancy ball is less than the internal diameter of a quantification section of thick bamboo, it is equipped with movable disc just to be located the buoyancy ball upside in the quantification section of thick bamboo simultaneously, the inside wall sliding connection of activity disc circumference lateral wall and a quantification section of thick bamboo, the activity disc deviates from buoyancy ball one side fixedly connected with adjusting part, be equipped with contact pick-up between activity disc and buoyancy ball, and activity disc fixed connection, the contact pick-up electricity is connected with the controller, the controller is connected with the solenoid valve electricity. The device can control the extraction amount of the liquid medicine to be detected, and improves the accuracy of liquid medicine extraction, thereby improving the detection precision.

Description

Pesticide quantitative detection device

Technical Field

The utility model belongs to the technical field of pesticide check out test set, concretely relates to pesticide quantitative determination device.

Background

Pesticides are broadly defined as substances or mixtures of substances and preparations thereof which are used for preventing, killing or controlling diseases, insects, grasses and other harmful organisms which damage agriculture and forestry, and for purposefully regulating, controlling and influencing the metabolism, growth, development and reproduction processes of plants and harmful organisms; in the narrow sense, the term refers to a general term of pesticide, sterilization and killing of harmful animals (or weeds) applied in agricultural production for the purpose of guaranteeing and promoting the growth of plants and crops, in particular to agricultural pesticide for preventing and controlling diseases and pests, regulating the growth of plants, weeding and the like.

The first pesticides used by crops comprise dichlorodiphenyl trichloroethane, hexachloro cyclohexane and the like, which can kill a large number of pests, but because of good stability, the pesticides can exist in the environment for a long time and are continuously accumulated in animals, plants and human bodies, so the pesticides are eliminated; later, organophosphorus pesticides such as dichlorvos and the like were used to replace the original pesticides, but because of the phosphorus element contained in the pesticides, the pesticides are easy to cause eutrophication of water organisms. Therefore, in recent years, in order to develop a pesticide with high efficiency and low toxicity, which meets the growth of crops, research personnel can continuously extract a specific pesticide by detecting the pesticide to solve the defects of the existing pesticide.

However, the existing pesticide detection device generally uses a dropper or other tools to absorb the pesticide to be detected manually, the extraction amount of the pesticide cannot be controlled during the absorption process, the amount of the absorbed pesticide to be detected is easy to be inaccurate, and the detection data is not accurate enough, so that the pesticide quantitative detection device is provided.

Disclosure of Invention

In order to solve the problem that prior art exists, the utility model aims at providing a pesticide quantitative detection device can be according to the position of measuring demand through adjusting contact pick up to solenoid valve cooperation on contact pick up and inlet tube makes the liquid medicine that gets into a ration section of thick bamboo reach certain extraction volume, improves the precision that the liquid medicine extracted, thereby improves and detects the precision.

The technical scheme of the utility model is that:

the utility model provides a pesticide quantitative determination device, includes the explosive box, still includes:

the quantitative cylinder is a cylindrical transparent pipe body, the axis of the quantitative cylinder is vertically arranged, scale marks are arranged on the side wall of the quantitative cylinder, the quantitative cylinder is communicated with the medicine storage box through a water inlet pipe, the water inlet pipe is positioned on the side wall of the quantitative cylinder and is close to one side of the lower end opening, an electromagnetic valve is arranged on the water inlet pipe, and a drainage assembly is arranged at the lower end of the quantitative cylinder;

the buoyancy ball is arranged in the quantifying cylinder and is in clearance fit with the quantifying cylinder;

the movable disc is arranged in the quantifying cylinder and positioned above the buoyancy ball, the circumferential side wall of the movable disc is in sliding connection with the inner side wall of the quantifying cylinder, and one side of the movable disc, which is far away from the buoyancy ball, is fixedly connected with an adjusting assembly;

the contact sensor is arranged on the movable disc and located on one side close to the buoyancy ball, and the contact sensor is electrically connected with a controller which is electrically connected with the electromagnetic valve.

Preferably, the drainage subassembly includes the connecting cylinder, for cylindrical body, and its internal diameter is greater than the internal diameter of quantitative section of thick bamboo, connecting cylinder fixed connection in the downside of quantitative section of thick bamboo, sliding connection has the piston in the connecting cylinder, the piston deviates from quantitative section of thick bamboo one side fixedly connected with push rod, the lateral wall of connecting cylinder is equipped with drain pipe and both intercommunications, be equipped with the drain valve on the drain pipe.

Preferably, the lateral wall fixedly connected with indicator plate of contact sensor, the indicator plate deviates from the one end of contact sensor with the inside wall clearance fit of quantitative section of thick bamboo, and with the scale mark is just right.

Preferably, the adjusting part includes a threaded cylinder, its axis with the axis of a ration section of thick bamboo is parallel, the lower extreme of a threaded cylinder with a ration section of thick bamboo fixed connection, the threaded cylinder interpolation is equipped with the threaded rod, the threaded rod deviates from a threaded cylinder one end fixedly connected with turning block, the cover is equipped with the connecting plate and both rotate to be connected on the turning block, the connecting plate is fixed with pull rod one end, the pull rod other end with activity disc fixed connection.

Preferably, one side, away from the contact sensor, of the buoyancy ball is fixedly connected with a buoyancy plate, the buoyancy plate is a cylindrical thin plate, and the diameter of the buoyancy plate is smaller than the inner diameter of the quantifying cylinder.

Preferably, a supporting plate is arranged on the lower side of the quantifying cylinder, the quantifying cylinder is inserted into the supporting plate and detachably connected with the supporting plate, a base is arranged on the lower side of the supporting plate, the supporting plate is fixedly connected with the base through supporting legs, and the medicine storage box is fixed on the upper side of the base.

Preferably, the level is provided with the pivot in the explosive box, the pivot with the lateral wall of explosive box rotates to be connected, a plurality of puddlers of fixedly connected with in the pivot, pivot one end is worn out explosive box and fixed connection are in the output of motor, the motor with explosive box fixed connection.

Preferably, the quantifying cylinders are distributed on one side of the medicine storage box at equal intervals.

Compared with the prior art, the utility model discloses a pesticide quantitative determination device has following beneficial effect:

1. the movable disc can be moved in the vertical direction through the adjusting assembly, so that the contact sensor moves to different scale mark positions in the quantifying cylinder, meanwhile, the piston in the drainage assembly is pushed to plug an opening in the lower side of the quantifying cylinder, the lower side of the quantifying cylinder is guaranteed to be in a horizontal state when liquid medicine is extracted, the electromagnetic valve is further opened, so that the liquid medicine in the medicine storage box enters from the bottom of the quantifying cylinder through the water inlet pipe, the buoyancy ball in the quantifying cylinder starts to move upwards through the buoyancy of the liquid medicine until the buoyancy ball moves to be in contact with the contact sensor, the contact sensor transmits a signal to the controller immediately, the controller controls the electromagnetic valve to be closed, the liquid medicine in the quantifying cylinder can reach a specified value at the moment, the accuracy of the liquid medicine extraction amount in the quantifying cylinder can be effectively improved through the automatic control of electric signals, and the subsequent liquid medicine detection accuracy is further improved;

2. further, through setting up a plurality of quantitative section of thick bamboo, can set up different extraction quantity values simultaneously, conveniently draw the detection liquid medicine of different standards simultaneously to be convenient for obtain more accurate detection data through the contrast of multiunit detected value in testing process.

Drawings

Fig. 1 is a schematic view of the overall structure in an embodiment of the present invention;

fig. 2 is a top view of the overall structure in an embodiment of the present invention;

fig. 3 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 2.

Description of reference numerals:

1. a medicine storage box; 2. a dosing cylinder; 3. scale lines; 4. a water inlet pipe; 5. an electromagnetic valve; 6. a buoyant ball; 7. A movable disc; 8. a contact sensor; 9. an adjustment assembly; 91. a threaded barrel; 92. a threaded rod; 93. Rotating the block; 94. a pull rod; 95. a connecting plate; 10. a drainage assembly; 101. a connecting cylinder; 102. a piston; 103. a push rod; 11. an indicator panel; 12. a buoyancy plate; 13. a support plate; 14. a base; 15. a support leg; 16. a rotating shaft; 17. a stirring rod; 18. an electric motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 3, in order to ensure that the extraction amount of the liquid medicine is more accurate and the accuracy of the detection result is improved in the pesticide detection process, the present embodiment provides a pesticide quantitative detection apparatus, which includes a pesticide box 1 and a quantitative cylinder 2, wherein the quantitative cylinder 2 is provided with a plurality of pesticide box 1, and the pesticide box 1 is equidistantly distributed. And then for convenient management and follow-up liquid medicine extraction to the graduated flask 2, the explosive box 1 should set up to the rectangle, and then the graduated flask 2 is cylindrical transparent tube body and the axis is vertical to be set up, the lateral wall of the graduated flask 2 is equipped with scale mark 3, the graduated flask 2 passes through inlet tube 4 and communicates with the explosive box 1, inlet tube 4 is located the 2 lateral walls of the graduated flask and is close to lower extreme opening one side, be equipped with solenoid valve 5 on the inlet tube 4, and then be provided with buoyancy ball 6 in the graduated flask 2 inside, buoyancy ball 6 can move wantonly in the graduated flask 2, thereby guarantee that buoyancy ball 6 can normally unimpeded come-up after pouring into liquid medicine in the graduated flask 2, buoyancy ball 6 should adopt light plastics material, it is equipped with movable disc 7 to be located buoyancy ball 6 upside in the graduated flask 2 simultaneously, movable disc 7 circumference lateral wall and the inside wall sliding connection of graduated flask 2 of movable disc 7, movable disc 7 deviates from buoyancy ball 6 one side fixedly connected with adjusting part 9, be equipped with contact pick-up 8 between movable disc 7 and buoyancy ball 6, and contact pick-up 8 and movable disc 7 fixed connection, and then contact pick-up 8 is connected with the controller, and then contact pick-up 8 electricity is connected with the controller, the solenoid valve 5 electricity is connected. Can adjust the position of activity disc 7 in graduated flask 2 through adjusting part 9, make activity disc 7 drive contact sensor 8 and reach different scale mark 3 positions, be convenient for carry out the ration setting to the liquid medicine extraction value of graduated flask 2, buoyancy ball 6 can rise and contact sensor 8 touches after injecting the liquid medicine in graduated flask 2, make contact sensor 8 carry out the analysis in with contact signal transmission to the controller, and then solenoid valve 5 on the controller control inlet tube 4 closes, stop the injection of liquid medicine, the liquid medicine amount in the graduated flask 2 can be realized certainly.

Referring to fig. 1 and 3, in the embodiment of the present invention, a drainage assembly 10 is disposed at the lower end of the quantitative cylinder 2; the drainage component 10 comprises a connecting cylinder 101, is a cylindrical pipe body, the inner diameter of the connecting cylinder is larger than that of the quantitative cylinder 2, the connecting cylinder 101 is fixedly connected to the lower side of the quantitative cylinder 2, a piston 102 is slidably connected in the connecting cylinder 101, the piston 102 deviates from the quantitative cylinder 2 side fixedly connected with push rod 103, the side wall of the connecting cylinder 101 is provided with a drainage pipe and the two are communicated, and a drainage valve is arranged on the drainage pipe. The piston 102 is driven by the push rod 103 to move up and down in the connecting cylinder 101, so that whether the drain pipe is communicated with the quantifying cylinder 2 or not can be controlled, when the piston 102 moves to the lower side of the drain pipe, liquid medicine in the quantifying cylinder 2 can be discharged from the drain pipe, and the liquid medicine in the quantifying cylinder 2 can be conveniently discharged.

Referring to fig. 3, in the embodiment of the present invention, an indicating plate 11 is fixedly connected to the side wall of the contact sensor 8, the lower side wall of the indicating plate 11 is coplanar with the lower side wall of the contact sensor 8, and one end of the indicating plate 1 departing from the contact sensor 8 is in clearance fit with the inner side wall of the quantifying cylinder 2 and is close to the scale mark 3. The adjusting position of the contact sensor 8 can be more accurate through the indicating plate 11, and the accuracy of extracting the liquid medicine in the quantifying cylinder 2 is further improved.

Referring to fig. 1 and fig. 3, in the embodiment of the present invention, the adjusting assembly 9 includes a threaded cylinder 9, the axis of the threaded cylinder 9 is parallel to the axis of the quantitative cylinder 2, the lower end of the threaded cylinder 91 is fixedly connected to the quantitative cylinder 2, a threaded rod 92 is inserted into the threaded cylinder 91, the threaded rod 92 deviates from the threaded cylinder 91 and is fixedly connected to the turning block 93, the turning block 93 is sleeved with a connecting plate 95 and is rotatably connected to the connecting plate 95, the connecting plate 95 is fixed to one end of a pull rod 94, and the other end of the pull rod 94 is fixedly connected to the movable disk 7. Through the helicitic texture of threaded rod 92 and screw cylinder 91, be connected through the rotation of turning block 93 with the connecting plate simultaneously, use through the flexible removal that can realize pull rod 94 drive activity disc 7 position of turning block 93 drive threaded rod 92 in screw cylinder 91, not only made things convenient for the regulation of contact pick-up 8 position, also can effectively fix a position contact pick-up 8's position simultaneously.

Referring to fig. 3, in the embodiment of the present invention, the buoyancy ball 6 is fixedly connected to the buoyancy plate 12 away from the side of the contact sensor 8, the buoyancy plate 12 is a cylindrical thin plate, and the diameter of the buoyancy plate 12 is smaller than the inner diameter of the quantitative cylinder 2. When the liquid medicine in the quantitative cylinder 2 needs to be discharged, the contact sensor 8 moves downwards through the operation of the adjusting component 9, at the moment, the contact sensor 8 pushes the buoyancy ball 6 and the buoyancy plate 12 to move downwards together, so that the liquid medicine in the quantitative cylinder 2 is pushed, and the liquid medicine can be discharged completely from the drain pipe.

Referring to fig. 1 and 3, in the embodiment of the present invention, a supporting plate 13 is disposed under the quantitative cylinder 2, the quantitative cylinder 2 is inserted into the supporting plate 13 and detachably connected to the supporting plate 13, a base 14 is disposed under the supporting plate 13, the supporting plate 13 and the base 14 are fixedly connected by legs 15, and the medicine storage box 1 is fixed on the upper side of the base 14. The bottom support member formed by the support plate 13, the legs 15 and the base 14 can further provide support for the dosing cylinder 2, improving the stability of the dosing cylinder 2.

Referring to fig. 2, in the embodiment of the present invention, a rotating shaft 16 is horizontally disposed in the medicine box 1, the rotating shaft 16 is rotatably connected to the side wall of the medicine box 1, a plurality of stirring rods 17 are fixedly connected to the rotating shaft 16, one end of the rotating shaft 16 penetrates out of the medicine box 1 and is fixedly connected to the output end of the motor 18, and the motor 18 is fixedly connected to the medicine box 1. The motor 18 drives the rotating shaft 16 to rotate, and then the rotating shaft 16 drives the stirring rod 17 to stir the liquid medicine in the medicine storage box 1, so that the liquid medicine in the medicine storage box 1 can be prevented from precipitating, the mixing and dissolving effect of the liquid medicine is better, and the accuracy of detection data is improved.

When the quantitative cylinder 2 is used, firstly, the piston 102 is pushed by the push rod 103 to completely block an opening at the bottom of the quantitative cylinder 2, then the rotating block 93 drives the threaded rod 92 to stretch in the threaded sleeve, so that the threaded rod 92 moves to drive the pull rod 94 to move, further, the movable disc 7 can move in the quantitative cylinder 2 through the pull rod 94, the movable disc 7 drives the contact sensor 8 and the indicating plate 11 to move synchronously with the contact sensor and the indicating plate 11, the indicating plate 11 can move to the position of the specified scale line 3, so that the extracted value of the quantitative cylinder 2 is well set, after the extracted value of the quantitative cylinder 2 is set, the electromagnetic valve 5 is opened to enable liquid medicine in the medicine storage box 1 to enter from the bottom of the quantitative cylinder 2 through the water inlet pipe 4, at the moment, the buoyancy ball 6 in the quantitative cylinder 2 starts to move upwards through the buoyancy of the liquid medicine until the ball 6 moves to be in contact with the contact sensor 8, then, the signal is transmitted to the controller by the contact sensor 8, the electromagnetic valve 5 is controlled to be closed by the controller, at the moment, the liquid medicine in the quantitative cylinder 2 can reach the specified value, so that the accuracy of extracting the liquid medicine in the quantitative cylinder 2 can be effectively improved through the automatic control of the electric signal, and further, and the detection accuracy of the subsequent liquid medicine detection precision can be improved. When the liquid medicine in the quantitative cylinder 2 needs to be discharged, the piston 102 is pulled through the push rod 103, so that the bottom of the quantitative cylinder 2 is communicated with the drain pipe, the liquid medicine can be discharged by opening the drain valve, and the liquid medicine is convenient to take out and use.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a pesticide quantitative determination device, includes explosive box (1), its characterized in that still includes:

the quantitative cylinder (2) is a cylindrical transparent pipe body, the axis of the quantitative cylinder is vertically arranged, scale marks (3) are arranged on the side wall of the quantitative cylinder (2), the quantitative cylinder (2) is communicated with the medicine storage box (1) through a water inlet pipe (4), the water inlet pipe (4) is located on the side wall of the quantitative cylinder (2) and close to one side of an opening at the lower end of the water inlet pipe, an electromagnetic valve (5) is arranged on the water inlet pipe (4), and a drainage assembly (10) is arranged at the lower end of the quantitative cylinder (2);

the buoyancy ball (6) is arranged in the quantitative cylinder (2) and is in clearance fit with the quantitative cylinder;

the movable disc (7) is arranged in the quantifying cylinder (2) and is positioned on the upper side of the buoyancy ball (6), the circumferential side wall of the movable disc (7) is in sliding connection with the inner side wall of the quantifying cylinder (2), and one side, which is far away from the buoyancy ball (6), of the movable disc (7) is fixedly connected with an adjusting assembly (9);

the contact sensor (8) is arranged on the movable disc (7) and located on one side close to the buoyancy ball (6), the contact sensor (8) is electrically connected with a controller, and the controller is electrically connected with the electromagnetic valve (5).

2. The quantitative pesticide detection device according to claim 1, wherein the drainage assembly (10) comprises a connecting cylinder (101) which is a cylindrical pipe body, the inner diameter of the connecting cylinder is larger than that of the quantitative cylinder (2), the connecting cylinder (101) is fixedly connected to the lower side of the quantitative cylinder (2), a piston (102) is slidably connected to the connecting cylinder (101), a push rod (103) is fixedly connected to one side, away from the quantitative cylinder (2), of the piston (102), a drainage pipe is arranged on the side wall of the connecting cylinder (101) and communicated with the side wall of the connecting cylinder, and a drainage valve is arranged on the drainage pipe.

3. The quantitative pesticide detection device as claimed in claim 1, wherein an indicator plate (11) is fixedly connected to a side wall of the contact sensor (8), and one end of the indicator plate (11) departing from the contact sensor (8) is in clearance fit with an inner side wall of the quantitative cylinder (2) and is opposite to the scale mark (3).

4. The quantitative pesticide detection device as claimed in claim 1, wherein the adjusting assembly (9) comprises a threaded cylinder (91), the axis of the threaded cylinder is parallel to the axis of the quantitative cylinder (2), the lower end of the threaded cylinder (91) is fixedly connected with the quantitative cylinder (2), a threaded rod (92) is inserted into the threaded cylinder (91), the threaded rod (92) deviates from one end of the threaded cylinder (91) and is fixedly connected with a rotating block (93), a connecting plate (95) is sleeved on the rotating block (93) and is rotatably connected with the rotating block, one end of the connecting plate (95) is fixed to one end of a pull rod (94), and the other end of the pull rod (94) is fixedly connected with the movable disc (7).

5. The quantitative pesticide detection device as claimed in claim 1, wherein a buoyancy plate (12) is fixedly connected to one side of the buoyancy ball (6) away from the contact sensor (8), the buoyancy plate (12) is a cylindrical thin plate, and the diameter of the buoyancy plate (12) is smaller than the inner diameter of the quantification cylinder (2).

6. The quantitative detection device for the pesticide as claimed in claim 1, characterized in that a support plate (13) is arranged on the lower side of the quantitative cylinder (2), the quantitative cylinder (2) is inserted into the support plate (13) and detachably connected with the support plate, a base (14) is arranged on the lower side of the support plate (13), the support plate (13) and the base (14) are fixedly connected through support legs (15), and the pesticide box (1) is fixed on the upper side of the base (14).

7. The quantitative detection device for pesticide according to claim 1, characterized in that a rotating shaft (16) is horizontally arranged in the pesticide box (1), the rotating shaft (16) is rotatably connected with the side wall of the pesticide box (1), a plurality of stirring rods (17) are fixedly connected to the rotating shaft (16), one end of the rotating shaft (16) penetrates through the pesticide box (1) and is fixedly connected to the output end of a motor (18), and the motor (18) is fixedly connected with the pesticide box (1).

8. The quantitative pesticide detection device as claimed in claim 1, wherein the quantitative cylinders (2) are distributed on one side of the pesticide box (1) at equal intervals.