CN114504961A

CN114504961A - Online medicine mixer and online real-time medicine mixing and spraying system

Info

Publication number: CN114504961A
Application number: CN202210274541.8A
Authority: CN
Inventors: 姚强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-05-17

Abstract

The invention relates to the technical field of intelligent environment-friendly machinery, and provides an online medicine mixer and an online real-time medicine mixing and spraying system. On-line medicine mixer is provided with the spiral mixing shaft along its length direction including the medicine mixing pipe and the play pencil that connect gradually in mixing the pencil, and hydraulic wheel and at least one spiral unit set gradually on the spiral mixing shaft, and spiral mixing unit is including forming forward spiral liquid stream and beating positive spiral ware and forming the reverse spiral ware of reverse spiral liquid stream. After the pesticide and the water enter the pesticide mixing pipe, the pesticide and the water are mixed by the rotation of the hydraulic wheel to be premixed, and then the forward spiral device and the reverse spiral device are matched to rotate and mix the pesticide and the water, so that the pesticide and the water are efficiently mixed from rough mixing to fine mixing in the pesticide mixing pipe in a short time, the pesticide mixing efficiency is improved, and the pesticide mixing uniformity is ensured. The controller of the on-line real-time medicine mixing and spraying system changes the motor rotating speed of the plunger pump and the precise plunger pump by controlling the pulse width signal, so as to realize the precise medicine mixing of different proportions of the medicine and the water.

Description

Online medicine mixer and online real-time medicine mixing and spraying system

Technical Field

The invention relates to the technical field of intelligent environment-friendly machinery, in particular to an online medicine mixer and an online real-time medicine mixing and spraying system.

Background

At present, the plant protection machinery in most areas of China still uses the traditional medicine mixing mode-premixing medicine mixing when spraying medicine, and the medicine mixing mode has the defects of hidden danger of human medicine contact in the medicine dispensing process, resource waste caused by the fact that the mixed medicine liquid is not used up, environmental pollution caused by the fact that the treatment of the medicine liquid which is not used up is not good, and the like. The on-line pesticide mixing mode is that a pesticide box and a water tank are separated, pesticide and water are mixed on line by utilizing water flow in a pipeline system of a spraying machine or external energy of a pipeline of the spraying machine, standard and accurate application of the pesticide is realized, and the requirement of agricultural sustainable development is met by taking environmental protection as a core.

In order to meet the control requirements of various insect pests at different growth stages, the online pesticide mixing device needs to meet the mixing ratio requirement of 10: 1-40: 1. The on-line real-time medicine mixing and spraying system adjusts the value of a multiway plunger pump pwm according to a control algorithm, controls the rotating speed of a motor, further controls the flow proportion of water and medicine, and can meet the requirement that various liquid medicines are mixed with water according to different proportions. Therefore, the performance of the online medicine mixer directly influences the adaptability of the online device in practical application. At present, the medicine mixers used by the on-line medicine mixing system are mostly jet type medicine mixers and stirring type mixers. Although the jet type medicine mixer can achieve the effect of real-time mixing, the medicine mixing proportion is related to the structure of the jet type mixing unit and is difficult to control at any time; although the stirring mixer has a good mixing effect on liquids with different physical properties, the mixing process needs a certain time, and the effect of mixing the medicines in real time cannot be realized.

Disclosure of Invention

The invention aims to provide an online medicine mixer and an online real-time medicine mixing and spraying system, and aims to solve the technical problems that an online medicine mixing device is long in medicine mixing time and cannot control the medicine mixing effect at any time.

The application provides an online medicine mixer, including the medicine pipe that mixes that connects gradually and go out the medicine pipe, mix the medicine pipe and keep away from the inlet opening that advances the medicine hole that supplies the pesticide to get into and supply water to get into is seted up to the one end of going out the medicine pipe, it is provided with the spiral mixing shaft along its length direction in the medicine pipe to mix, the spiral mixing shaft is epaxial to have set gradually a hydraulic wheel and at least one spiral mixing unit, the hydraulic wheel is close to the inlet opening sets up, the spiral mixing unit is including the forward spiral ware that forms forward spiral liquid stream and the reverse spiral ware that forms reverse spiral liquid stream.

Optionally, the spiral mixing unit further comprises a forward spiral blade and a reverse spiral blade which are arranged on the spiral mixing shaft, and the liquid flow passes through the forward spiral blade, the forward spiral device, the reverse spiral blade and the reverse spiral device in sequence.

Optionally, the mixing tube comprises a first chamber and a second chamber in communication with each other; the hydraulic wheel is arranged in the first cavity, the water inlet and the pesticide inlet are formed in the pipe wall of the first cavity, and the water inlet is arranged opposite to the hydraulic wheel; the spiral mixing unit is disposed in the second chamber.

Optionally, the hydraulic wheel is six gears, an angle between two adjacent gears is 60 degrees, and the hydraulic wheel is in threaded connection with the spiral mixing shaft.

Optionally, the surfaces of the forward spiral device and the reverse spiral device are both provided with spiral grooves having the same rotation direction as the forward spiral device and the reverse spiral device, and the forward spiral device and the reverse spiral device are both provided with a plurality of spiral through holes having the same rotation direction as the forward spiral device and the reverse spiral device.

Optionally, a gap is provided between the spiral mixing unit and the inner wall of the medicine mixing tube.

Optionally, the mixing device further comprises an end cover connected with one end of the mixing tube far away from the liquid outlet tube through threads.

Optionally, a sealing ring is arranged at the joint of the end cover and the mixing pipe.

The application also provides an online real-time medicine spraying system that mixes, including supplying water the route module, supplying medicine route module, mixing medicine spraying module and control module, supply water the module with supply medicine route module respectively with it connects to mix medicine spraying module, it includes foretell online medicine mixer to mix medicine spraying module.

Optionally, the water supply passage module includes a first flowmeter for detecting the flow rate of water in the water supply passage in real time, and the drug supply passage includes a second flowmeter for detecting the flow rate of the drug solution in the drug supply passage in real time.

The invention provides an online medicine mixer and an online real-time medicine mixing and spraying system, and relates to the technical field of intelligent environment-friendly machinery. On-line medicine mixer is provided with the spiral mixing shaft along its length direction including the medicine mixing pipe and the play pencil that connect gradually in mixing the pencil, and hydraulic wheel and at least one spiral unit set gradually on the spiral mixing shaft, and spiral mixing unit is including forming forward spiral liquid stream and beating positive spiral ware and forming the reverse spiral ware of reverse spiral liquid stream. After the pesticide and the water enter the pesticide mixing pipe, the pesticide and the water are mixed by the rotation of the hydraulic wheel to be premixed, and then the forward spiral device and the reverse spiral device are matched to rotate and mix the pesticide and the water, so that the pesticide and the water are efficiently mixed from rough mixing to fine mixing in the pesticide mixing pipe in a short time, the pesticide mixing efficiency is improved, and the pesticide mixing uniformity is ensured. The controller of the on-line real-time medicine mixing and spraying system changes the motor rotating speed of the plunger pump and the precise plunger pump by controlling the pulse width signal, so as to realize the precise medicine mixing of different proportions of the medicine and the water.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the online chemical mixer of the present invention.

Fig. 2 is a schematic structural view of the medicine mixing pipe in the embodiment of fig. 1.

Fig. 3 is a schematic structural view of the assembly of the hydraulic wheel and the spiral mixing unit in the embodiment of fig. 1.

Fig. 4 is a schematic structural diagram of the end cap in the embodiment of fig. 1.

Fig. 5 is a schematic structural diagram of the sealing ring in the embodiment of fig. 1.

Fig. 6 is a schematic structural diagram of the positive helical device in the embodiment of fig. 1.

Fig. 7 is a schematic structural diagram of the positive helical blade in the embodiment of fig. 1.

Fig. 8 is a sectional view and a front view of the hydraulic wheel in the embodiment of fig. 1.

Fig. 9 is a schematic structural diagram of an embodiment of an online real-time mixing and spraying system according to the present invention.

The reference numerals are explained below:

1. an on-line medicine mixer; 11. a medicine mixing pipe; 11a, a medicine inlet hole; 11b, a water inlet hole; 11c, a liquid inlet hole; 111. positioning the boss; 112. a first chamber; 113. a second chamber; 12. a medicine outlet pipe; 13. an end cap; 131. positioning holes; 14. a helical mixing shaft; 15. a hydraulic wheel; 16. a spiral mixing unit; 161. a positive spiral device; 162. a reverse screw; 163. a positive helical blade; 164. a counter-helical blade; 16a, a spiral through hole; 16b, a spiral groove; 17. a seal ring;

2. an online real-time medicine mixing and spraying system; 21. a water supply passage; 211. a water tank; 212. a plunger pump; 213. a first check valve; 214. a first flow meter; 22. a drug delivery path; 221. a medicine chest; 222. a precision plunger pump; 223. a second one-way valve; 224. a second flow meter; 23. a pesticide mixing and spraying module; 231. a liquid level sensor; 232. a mixing plunger pump; 233. an overflow valve; 234. a filter; 235. a pulse damper; 236. a spray rod; 237. a spray head; 24. and a controller.

Detailed Description

Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.

The application provides an online medicine mixer, it is applicable to modern environmental protection agricultural, and simple structure, adjustment convenience, energy consumption are low, can guarantee to disappear at the insect pest in-process water and medicine misce bene, are applicable to multiple liquid medicine and water mixture, realize that multiple insect pest disappears and kills, the mixed demand of higher medicine ratio of mixing.

As shown in fig. 1, the online medicine mixer 1 includes a medicine mixing pipe 11 and a medicine outlet pipe 12 connected in sequence. Mix and offer on the pencil 11 and supply the medicine hole 11a that advances that the pesticide got into and the inlet opening 11b that supplies water to get into, advance medicine hole 11a and inlet opening 11b and set up on the pipe wall of the pencil 11 that mixes that the pencil 11 kept away from 12 one ends of play pencil is mixed to pencil 11, pesticide and water get into mix behind pencil 11, after mixing the pencil 11 fast mixing is even, flow out through play pencil 12.

As shown in fig. 2, 4 and 5, specifically, the medicine mixing pipe 11 is a cylinder with two open ends, and includes two chambers, namely a first chamber 112 and a second chamber 113, a liquid inlet hole 11c communicating the two chambers is formed in a pipe wall between the two chambers, and both the medicine inlet hole 11a and the water inlet hole 11b are disposed in the first chamber 112. Referring to fig. 1 again, a spiral mixing shaft 14 is disposed in the medicine mixing tube 11 along the length direction thereof, two ends of the medicine mixing tube 11 are respectively connected with the medicine outlet tube 12 and the end cap 13 by screw threads, and a sealing ring 17 is disposed at the joint of the end cap 13 and the medicine mixing tube 11 to prevent the leakage of the medicine liquid. The end cover 13 is provided with a positioning hole 131, the other end of the medicine mixing tube 11 connected with the medicine outlet tube 12 is also provided with a positioning boss 111, and two ends of the spiral mixing shaft 14 are respectively fixed on the positioning hole 131 and the positioning boss 111. It is understood that the mixing tube 11 may have other shapes such as a square cross-section, and the outlet tube 12 and the end cap 13 may be connected to the mixing tube 11 in other manners such as clamping. In other embodiments, the end of the mixing tube 11 away from the drug outlet tube 12 may be a sealed end formed integrally, so that the end cap 13 is not required to prevent the drug solution from leaking.

As shown in fig. 3, a hydraulic wheel 15 and at least one spiral mixing unit 16 are sequentially disposed on the spiral mixing shaft 14, the hydraulic wheel 15 is disposed in the first chamber 112, and the spiral mixing unit 16 is disposed in the second chamber 113. According to the actual requirement, the spiral mixing units 16 can be provided in one or more, and a plurality of spiral mixing units 16 are arranged on the spiral mixing shaft 14 in sequence.

Specifically, as shown in fig. 8, the hydraulic wheel 15 is a six-gear wheel, the angle between two adjacent gear wheels is 60 degrees, and the hydraulic wheel 15 is screwed with the spiral mixing shaft 14. It will be understood that the number of gears of the hydraulic wheel 15 and the angle of two adjacent gears can be set according to the actual application. The hydraulic wheel 15 is close to the inlet opening 11b setting of mixing the pencil 11, and preferably, hydraulic wheel 15 is close to end cover 13 and sets up, and inlet opening 11b sets up on mixing the pencil 11 pipe wall that is close to end cover 13, and inlet opening 11b just sets up hydraulic wheel 15, and hydraulic wheel 15 is usable to be strikeed hydraulic wheel 15 by the kinetic energy of the rivers that inlet opening 11b flowed in and rotates, realizes the developments and mixes the medicine.

As shown in fig. 3 and 6, the spiral mixing unit 16 includes a spiral mixer 16 including a forward spiral 161 forming a forward spiral flow and a reverse spiral 162 forming a reverse spiral flow. The surfaces of the forward spiral device 161 and the reverse spiral device 162 are provided with spiral grooves 16b having the same rotation direction, and the forward spiral device 161 and the reverse spiral device 162 are provided with a plurality of spiral through holes 16a having the same rotation direction. Through the spaced fit of the forward screw 161 and the reverse screw 162, the pesticide and the water are mixed more uniformly.

Further, as shown in fig. 3 and 7, the spiral mixing unit 16 further includes a forward spiral blade 163 and a reverse spiral blade 164 provided on the spiral mixing shaft 14, and the liquid flow passes through the forward spiral blade 163, the forward screw 161, the reverse spiral blade 164 and the reverse screw 162 in sequence. The spiral blade with the same rotating direction is matched with the spiral device with the same rotating direction, and liquid flow firstly flows through the spiral blade and then flows through the spiral device with the same rotating direction as the spiral blade. The helical blade can realize the fine mixing of the liquid medicine and further accelerate the mixing speed on the basis of the mixing of the helical device. It is understood that the arrangement order of the forward helical blade 163, the forward helical blade 161, the reverse helical blade 164 and the reverse helical blade 162 of the helical mixing unit 16 can be adjusted, that is, the liquid flow passes through the reverse helical blade 164, the reverse helical blade 162, the forward helical blade 163 and the forward helical blade 161 of each helical mixing unit 16 in turn.

The helical mixing shaft 14, the forward helical blade 163 and the reverse helical blade 164 are all integrally formed by 3D printing, and the tooth shapes of the forward helical device 161 and the reverse helical device 162 and the rotation direction of the helical groove 16b are formed by modeling and 3D printing according to the parameters of the helical gear.

A gap is provided between the spiral mixing unit 16 and the inner wall of the medicine mixing pipe 11. Preferably, the gap between the spiral mixing unit 16 and the inner wall of the mixing tube 11 is 2 MM. Due to the large power generated by the mixing of the chemical liquid by the rotation of the helical blade, the flow area of the helical through hole 16a of the screw is small relative to the flow area in the chemical mixing tube 11, and the chemical liquid can generate large resistance only when passing through the helical through hole 16 a. The spiral mixing unit 16 and the inner wall of the medicine mixing pipe 11 are provided with a gap, part of the medicine liquid can pass through the gap between the spiral mixing unit 16 and the inner wall of the medicine mixing pipe 11, so that the resistance of the medicine liquid generated by the small flow area is reduced, and the spiral groove 16b is formed in the outer surface of the spiral device, so that the medicine liquid still flows through the gap between the spiral mixing unit 16 and the inner wall of the medicine mixing pipe 11 in a mixed rotating mode.

Pesticide and water respectively enter the pesticide mixing pipe 11 from the pesticide inlet hole 11a and the water inlet hole 11b of the first cavity 112, kinetic energy of water flow impacts the hydraulic wheel 15 to rotate, energy consumption can be reduced, dynamic premixing of pesticide and water is realized, and the pesticide and water are premixed through the hydraulic wheel 15, so that the mixing time is greatly shortened; the premixed liquid medicine enters the second chamber 113 through the liquid inlet hole 11c, sequentially flows through the plurality of spiral mixing units 16, is subjected to rotary mixing among the plurality of spiral mixing units 16, is gradually changed from coarse mixing into fine mixing, and ensures the uniformity of medicine mixing while being quickly mixed.

As shown in fig. 9, the present application further provides an online real-time pesticide mixing and spraying system 2, which includes a water supply passage 21 module, a pesticide supply passage 22 module, a pesticide mixing and spraying module 23, and a control module, wherein the pesticide mixing and spraying module 23 includes the above online pesticide mixer 1.

The water supply passage 21 module comprises a water tank 211, a plunger pump 212, a first one-way valve 213 and a first flow meter 214 which are connected in sequence, and water enters the medicine mixing pipe 11 from a water inlet 11b of the medicine mixing pipe 11 through the first flow meter 214; the medicine supply path 22 module comprises four medicine boxes 221, a precise plunger pump 222 and a second one-way valve 223 are connected to the rear of each medicine box 221, and the liquid medicine of each medicine box 221 enters the medicine mixing pipe 11 from the medicine inlet hole 11a of the medicine mixing pipe 11 through a second flowmeter 224. It is understood that the number of medicine boxes 221 of the medicine supply path 22 module may be set according to different medicine mixing requirements. The first flow meter 214 and the second flow meter 224 are used to detect the current flow rates of water and medical fluid respectively,

the medicine mixing and spraying module 23 comprises an online medicine mixer 1, a mixing plunger pump 232, an overflow valve 233, a filter 234, a pulse damper 235, a spray rod 236 and a spray head 237 which are connected in sequence, and a liquid level sensor 231 is arranged at the joint of the online medicine mixer 1 and the water supply passage 21 module and the medicine supply passage 22 module for monitoring liquid level information in real time. The online medicine mixer 1, the mixing plunger pump 232 and the overflow valve 233 form a loop to enable multiple times of medicine mixing. The liquid medicine mixed in the on-line medicine mixer 1 passes through the filter 234 and the pulse damper 235 and is finally sprayed out by the spray head 237, and pressure pulsation is eliminated by the pulse damper 235, so that the pressure of the pipeline is stabilized within a certain range, the stability of medicine mixing is ensured, and the stability of medicine feeding is ensured.

The control module includes a controller 24 and a display (not shown). The display is used to input and display parameters and is in signal communication with the first flow meter 214 and the second flow meter 224. The controller 24 is configured to control the rotation speeds of the plunger pump 212 and the precise plunger pump 222 to enable a plurality of liquid medicines and water to enter the online medicine mixer 1 according to a certain ratio for mixing, and control the mixing plunger pump 232 to spray the mixed liquid medicines according to a certain flow rate. Specifically, the controller 24 changes the rotation speed of the motors of the plunger pump 212 and the precision plunger pump 222 by controlling the pulse width signal to realize mixing of the chemicals in different proportions, and also controls the rotation speed of the mixing plunger pump 232 by controlling the pulse width signal to further control the spraying amount of the chemicals.

The application provides an online medicine mixer 1 and online real-time medicine spraying system 2 that mixes relates to intelligent environmental protection machinery technical field. On-line medicine mixer 1 is including the medicine mixing pipe 11 and the play pencil 12 that connect gradually, mixes and is provided with spiral mixing shaft 14 along its length direction in the medicine pipe 11, and hydraulic wheel 15 and at least one spiral unit set gradually on spiral mixing shaft 14, and spiral mixing unit 16 is including forming forward spiral liquid stream and beating positive spiral ware 161 and forming reverse spiral liquid stream's anti-spiral ware 162. After the pesticide and the water enter the pesticide mixing pipe 11, the pesticide and the water are mixed by the rotation of the hydraulic wheel 15, and then the pesticide and the water are mixed in a rotating mode through the cooperation of the forward spiral device 161 and the reverse spiral device 162, so that the pesticide and the water are efficiently mixed from rough mixing to fine mixing in the pesticide mixing pipe 11 in a short time, the pesticide mixing efficiency is improved, and the pesticide mixing uniformity is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather is intended to cover all equivalent structural changes made by the use of the specification and drawings.

Claims

1. The utility model provides an online medicine mixer, mixes the pencil and goes out the pencil including what connect gradually, mix the pencil and keep away from go out the one end of pencil and offer the inlet opening that advances the medicine hole and supply water entering that supplies the pesticide to get into, its characterized in that: mix in the medicine pipe and be provided with spiral mixing shaft along its length direction, spiral mixing shaft is last to have set gradually a hydraulic wheel and at least one spiral mixing unit, the hydraulic wheel is close to the inlet opening sets up, spiral mixing unit is including the forward spiral ware that forms forward spiral liquid stream and the reverse spiral ware that forms reverse spiral liquid stream.

2. The on-line mixer of claim 1 wherein the helical mixing unit further comprises a forward helical blade and a reverse helical blade disposed on the helical mixing shaft, the fluid flow passing through the forward helical blade, the forward auger, the reverse helical blade, and the reverse auger in sequence.

3. The in-line mixer of claim 2 wherein the mixing tube includes a first chamber and a second chamber in communication with each other; the hydraulic wheel is arranged in the first cavity, the water inlet and the pesticide inlet are formed in the pipe wall of the first cavity, and the water inlet is arranged opposite to the hydraulic wheel; the spiral mixing unit is disposed in the second chamber.

4. The on-line chemical mixer as claimed in claim 3, wherein the hydraulic wheel is six gears, the angle between two adjacent gears is 60 degrees, and the hydraulic wheel is in threaded connection with the spiral mixing shaft.

5. The on-line medicine mixer according to claim 4, wherein the surfaces of the forward screw device and the reverse screw device are provided with spiral grooves having the same rotation direction as the forward screw device and the reverse screw device, and the forward screw device and the reverse screw device are provided with a plurality of spiral through holes having the same rotation direction as the forward screw device and the reverse screw device.

6. The on-line mixer of claim 5 wherein a gap is provided between the helical mixing unit and the inner wall of the mixing tube.

7. The on-line mixer of claim 1 or 6 further comprising an end cap threadably coupled to an end of the mixing tube distal from the outlet tube.

8. The online chemical mixer of claim 7, wherein a sealing ring is arranged at the joint of the end cover and the mixing pipe.

9. The utility model provides an online real-time spraying system that mixes medicine, includes water supply route module, supplies medicine route module, mixes medicine spraying module and control module, the water supply module with supply medicine route module respectively with it connects its characterized in that to mix medicine spraying module: the chemical mixing and spraying module comprises the online chemical mixer of any one of claims 1 to 8.

10. The on-line real-time medicine mixing and spraying system of claim 9, wherein the water supply passage module comprises a first flow meter for detecting the flow of water in the water supply passage in real time, and the medicine supply passage comprises a second flow meter for detecting the flow of liquid medicine in the medicine supply passage in real time.