CN211403255U - Nutrient solution ratio control system - Google Patents
Nutrient solution ratio control system Download PDFInfo
- Publication number
- CN211403255U CN211403255U CN202020046371.4U CN202020046371U CN211403255U CN 211403255 U CN211403255 U CN 211403255U CN 202020046371 U CN202020046371 U CN 202020046371U CN 211403255 U CN211403255 U CN 211403255U
- Authority
- CN
- China
- Prior art keywords
- nutrient solution
- sensor
- control system
- container
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a nutrient solution proportioning control system, which belongs to the technical field of soilless culture nutrient solution control and comprises at least two mother solution containers, a mixed solution container, a controller, a constant delivery pump, an EC sensor and/or a PH sensor; the mother liquor container is used for containing nutrient solution; the mixed liquid container is used for containing mixed liquid of each nutrient solution; a pipeline is connected between the mother liquor container and the mixed liquor container, a dosing pump is arranged on the pipeline, and the controller is connected with the dosing pump and used for controlling the flow of the nutrient solution input into the mixed liquor container; the EC sensor and/or the PH sensor are/is arranged at the position, close to the bottom, of the mixed liquid container, and the controller is connected with the EC sensor and/or the PH sensor and used for collecting the conductivity and/or the pH value of the mixed liquid, so that the problems of low efficiency and inaccuracy of the preparation process of the nutrient solution in the prior art are solved.
Description
Technical Field
The utility model relates to a nutrient solution ratio control system belongs to soilless culture nutrient solution control technical field.
Background
The soilless culture nutrient solution proportioning control technology becomes a key technology of greenhouse facility agriculture, and the accuracy and reliability of the proportioning of the nutrient solution have important influence on the growth of crops. At present, the domestic nutrient solution proportioning equipment has unsatisfactory control effect. In the existing process of controlling the proportion of nutrient solutions, after each nutrient solution is extracted, the pH value and the EC value of the nutrient solution may change before mixing, so that the requirements can not be met all the time after subsequent mixing treatment. In addition, the proportioning process of the nutrient solution is not monitored in real time, so that the data change in the mixing process cannot be fed back in time, rapid and accurate dynamic adjustment cannot be realized, and the target value is difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a nutrient solution ratio control system to solve the nutrient solution preparation process inefficiency that exists among the prior art, unsafe problem.
In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a nutrient solution proportioning control system, which comprises at least two mother solution containers, a mixed solution container, a controller, a dosing pump, an EC sensor and/or a PH sensor;
the mother liquor container is used for containing nutrient solution;
the mixed liquid container is used for containing mixed liquid of each nutrient solution;
a pipeline is connected between the mother liquor container and the mixed liquor container, a dosing pump is arranged on the pipeline, and the controller is connected with the dosing pump and used for controlling the flow of the nutrient solution input into the mixed liquor container;
the EC sensor and/or the PH sensor are/is arranged at the position, close to the bottom, of the mixed liquor container, and the controller is connected with the EC sensor and/or the PH sensor and used for collecting the conductivity and/or the pH value of the mixed liquor.
The utility model discloses a submerge PH sensor and/or EC sensor and be close to the position of bottom in mixing the liquid bucket, through PH value and/or EC value in the mixed liquid of controller real time monitoring, in time adjust the constant delivery pump to the extraction flow of adjustment mother liquor carries out real-time adjustment to the preparation process, thereby has effectively guaranteed nutrient solution preparation precision and efficiency.
Furthermore, one end of the pipeline is connected with the bottom of the side surface of the mother liquor container, and the other end of the pipeline is connected with the upper part of the mixed liquor container.
Further, the intelligent device comprises a communication module, and the controller is connected with the communication module and used for communicating with the intelligent device.
Further, the controller is respectively connected with the EC sensor and/or the PH sensor through an RS485 interface circuit.
Further, the quantitative pump is a peristaltic pump.
Further, the quantitative pump is a diaphragm pump.
Further, the communication module is a wireless communication module.
Further, the intelligent device is a mobile phone.
Drawings
Fig. 1 is a control system structure diagram in an embodiment of the control system of the present invention;
FIG. 2 is a schematic diagram of proportioning control in an embodiment of the control system of the present invention;
FIG. 3 is a diagram of a proportioning control system in an embodiment of the control system of the present invention;
in the figure, 1-proportion control part, 2, 13-A mother liquor pipeline, 3, 12-B mother liquor pipeline, 4, 11-C mother liquor pipeline, 5-A mother liquor container, 6-B mother liquor container, 7-C mother liquor container, 8-EC sensor, 9-PH sensor, 10-mixed liquor container and 14-upright rod bracket.
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, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
The features and properties of the present invention are described in further detail below with reference to examples.
The control system comprises:
the nutrient solution proportioning control system in the embodiment mainly comprises at least two mother liquor containers, a mixed liquor container, a controller, a dosing pump, an EC sensor and/or a PH sensor.
Wherein, the mother liquor container is used for holding nutrient solution, mixes the liquid container and is used for holding the mixed liquid of each nutrient solution. As shown in fig. 1, in this embodiment, a nutrient solution proportioning control system and principle are described in detail by taking three mother liquor containers (respectively containing different mother liquor a, mother liquor B and mother liquor C) as an example.
In order to realize the ratio of the nutrient solution, corresponding pipelines are connected between the three mother solution containers and the mixed solution container, and the nutrient solution in each mother solution container is pumped into the mixed solution container by arranging a quantitative pump on the pipeline. As shown in fig. 1, one end of the pipeline is connected to the bottom of the side of the three mother liquor containers, and the other end of the pipeline is connected to the upper part of the mixed liquor container. In this embodiment, the adopted dosing pump is a peristaltic pump, one peristaltic pump is arranged on each pipeline, the pipeline is a hose, the peristaltic pump is arranged outside the hose, and the hose of the pump is alternately squeezed and released to pump the nutrient solution. In this embodiment, the pumping time of the peristaltic pump may be controlled by a controller to control the amount of the corresponding nutrient solution pumped.
As another embodiment, a fixed displacement pump of another form may be adopted. For example, a diaphragm pump is arranged on each pipeline, the diaphragm pump mainly comprises a transmission part and a diaphragm pump cylinder head, the diaphragm pump cylinder head part mainly separates the conveyed liquid and the working liquid by a diaphragm, the volume of a working chamber is changed by the back-and-forth fluctuation of the diaphragm so as to suck and discharge the liquid, the transmission part is a driving mechanism which drives the diaphragm to fluctuate, when the diaphragm moves to one side of the transmission mechanism, the liquid is sucked in by negative pressure when the pump cylinder works, and when the diaphragm moves to the other side, the liquid is discharged. The controller controls the relative flow of nutrient solution through the valve by controlling the motor of the diaphragm pump, which drives the driving part. The transmission form of the diaphragm pump comprises mechanical transmission, hydraulic transmission and pneumatic transmission, and can be selected according to actual requirements.
Through set up the corresponding diaphragm pump on every pipeline, when carrying out nutrient solution ratio control, the controller is through to this diaphragm pump output control signal, the nutrient solution flow in the mixed liquid container of control input to realize different nutrient solution ratio processes.
In this embodiment, in order to monitor changes in the PH value and the conductivity of each nutrient solution in real time, an EC sensor and a PH sensor are provided, and according to actual configuration requirements, the EC sensor or the PH sensor may be selected individually, or a combination of the two sensors may be adopted at the same time. In this embodiment, the EC sensor and/or the PH sensor are disposed at a position near the bottom of the mixed liquor container, and the controller is connected to the EC sensor and/or the PH sensor through the RS485 interface circuit to collect the conductivity and/or the PH value of the mixed liquor through the corresponding sensors.
In this embodiment, the principle of the control system is as follows: as shown in fig. 2, the controller receives data of ph and/or conductivity sent by the sensor, and directly calculates the flow ratio between the mother liquids according to a nutrient solution proportioning model introduced in advance, so as to control the constant delivery pump to adjust the flow rate, thereby realizing dynamic adjustment of each nutrient solution.
For example, according to the knowledge of the chemical ratio, the EC and PH values of each nutrient solution are obtained, the injection amounts of the nutrient solution A, the nutrient solution B and the nutrient solution C are determined according to the EC and PH values of the mixed nutrient solution which is prepared as required, and then the controller controls A, B, C the injection amounts of three different nutrient solutions by controlling the constant delivery pump to realize the ratio.
As another example, the amount of acid needed can be determined by calculating the pH. This is related to the mother liquor concentration, PH, and is within the prior art, for example, if the current mix is below PH, where the PH of the a mother liquor is above PH of the current mix, then the a mother liquor is pumped into the mix container and the PH is monitored until it is reached. The EC and PH values of the mixed liquid can be monitored in real time through the process, and the amount of the nutrient solution pumped in is adjusted in real time.
As an improvement to the foregoing embodiment, in this embodiment, as shown in fig. 3, a communication module is further provided, the controller is connected to the communication module, so as to implement communication with the intelligent device, the communication module may be a wireless communication module, and the intelligent device may be a mobile phone, a PC, or the like, so as to implement 24-hour uninterrupted monitoring on the nutrient solution through the intelligent device, and directly adjust the pumping amount through the intelligent device according to the monitored data feedback, so as to perform fast and accurate dynamic matching, and meet the target values of the nutrient solution EC and PH.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A nutrient solution proportioning control system is characterized by comprising at least two mother solution containers, a mixed solution container, a controller, a dosing pump and an EC sensor and/or a PH sensor;
the mother liquor container is used for containing nutrient solution;
the mixed liquid container is used for containing mixed liquid of each nutrient solution;
a pipeline is connected between the mother liquor container and the mixed liquor container, a dosing pump is arranged on the pipeline, and the controller is connected with the dosing pump and used for controlling the flow of the nutrient solution input into the mixed liquor container;
the EC sensor and/or the PH sensor are/is arranged at the position, close to the bottom, of the mixed liquor container, and the controller is connected with the EC sensor and/or the PH sensor and used for collecting the conductivity and/or the pH value of the mixed liquor.
2. The nutrient solution proportioning control system of claim 1, wherein one end of the pipeline is connected to a bottom of a side of the mother liquor container, and the other end of the pipeline is connected to an upper portion of the mixed liquor container.
3. The nutrient solution proportioning control system of claim 1, further comprising a communication module, wherein the controller is connected to the communication module for communicating with an intelligent device.
4. The nutrient solution proportioning control system of claim 1, wherein the controller is connected with the EC sensor and/or the PH sensor through an RS485 interface circuit, respectively.
5. The nutrient solution proportioning control system of claim 1 wherein the dosing pump is a peristaltic pump.
6. The nutrient solution proportioning control system of claim 1, wherein the dosing pump is a diaphragm pump.
7. The nutrient solution proportioning control system of claim 3 wherein the communication module is a wireless communication module.
8. The nutrient solution proportioning control system of claim 3 wherein the smart device is a cell phone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046371.4U CN211403255U (en) | 2020-01-09 | 2020-01-09 | Nutrient solution ratio control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020046371.4U CN211403255U (en) | 2020-01-09 | 2020-01-09 | Nutrient solution ratio control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211403255U true CN211403255U (en) | 2020-09-01 |
Family
ID=72217518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020046371.4U Active CN211403255U (en) | 2020-01-09 | 2020-01-09 | Nutrient solution ratio control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211403255U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088609A (en) * | 2022-06-27 | 2022-09-23 | 安徽恒合智能控制系统有限公司 | Intelligent nutrient medium distribution system for soilless culture |
-
2020
- 2020-01-09 CN CN202020046371.4U patent/CN211403255U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115088609A (en) * | 2022-06-27 | 2022-09-23 | 安徽恒合智能控制系统有限公司 | Intelligent nutrient medium distribution system for soilless culture |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203773279U (en) | Light-simple-type agricultural intelligent fertigation control system based on ARM | |
| CN106508508A (en) | Greenhouse-planting water-and-fertilizer-integration cluster irrigation system and method | |
| CN211403255U (en) | Nutrient solution ratio control system | |
| CN113692949A (en) | Water, fertilizer, gas, medicine and heat integrated intelligent irrigation control system and method | |
| CN202199281U (en) | Automatic acid-mixing device | |
| CN211353089U (en) | Main pipeline fertilizer mixes formula liquid manure all-in-one in advance | |
| CN216392096U (en) | Intelligent biogas slurry integrated fertilizer applicator | |
| CN215269854U (en) | Water, fertilizer and gas integrated drip irrigation system with multiple monitoring ends | |
| CN101493702A (en) | Method and apparatus for controlling flow of novel liquid cement grinding aid | |
| CN208430182U (en) | Bioreactor liquid control system | |
| CN113303068A (en) | Dual-mode dual-control water and fertilizer integrated proportioning control system and method thereof | |
| CN210868735U (en) | Water and fertilizer integrated system | |
| CN107006198A (en) | A kind of fertilization system | |
| CN206975449U (en) | A kind of plant nutrient solution automatic formulation device | |
| CN203999516U (en) | Inhibiter on-line monitoring automatic filling device in oil refining process | |
| CN217825961U (en) | Water and fertilizer integrated fertilizer applicator | |
| CN110731157A (en) | Treatment method of intelligent biogas slurry water fertilizer preparation system | |
| CN111789017A (en) | Water, fertilizer and gas integrated drip irrigation system | |
| CN206791259U (en) | A kind of intelligent irrigation Internet of Things TT＆C system | |
| CN111841428A (en) | Liquid preparation system with flow control effect | |
| CN112405870A (en) | Intelligent control system and control method for foam concrete preparation machine | |
| CN215835958U (en) | Manual-automatic drought-resisting fertilization system | |
| CN219784374U (en) | Low-residue improved tangential flow ultrafiltration system | |
| CN217333178U (en) | System for controlling water-fertilizer ratio balance | |
| CN209806686U (en) | Intelligent irrigation fertilizer preparation and fertilization system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |