CN208370565U - One kind planting nutrient solution automatic mixing system based on hydromechanical water planting - Google Patents
One kind planting nutrient solution automatic mixing system based on hydromechanical water planting Download PDFInfo
- Publication number
- CN208370565U CN208370565U CN201820897809.2U CN201820897809U CN208370565U CN 208370565 U CN208370565 U CN 208370565U CN 201820897809 U CN201820897809 U CN 201820897809U CN 208370565 U CN208370565 U CN 208370565U
- Authority
- CN
- China
- Prior art keywords
- nutrient solution
- planting
- solenoid valve
- separation layer
- water
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
Landscapes
- Hydroponics (AREA)
Abstract
One kind planting nutrient solution automatic mixing system based on hydromechanical water planting, including sequentially connected reservoir, mixed liquid cabinet, measurement pipeline, for liquid pool and separation layer, in mixed liquid cabinet upper port equipped with nutrient solution preparation box；Ion transducer group is equipped in measurement pipeline；Measurement pipeline above be equipped with sensor store flow container, sensor storage flow container entrance by the first water pump with measurement inner cavity of pipe be connected to, export pass through third solenoid valve with measure inner cavity of pipe be connected to；Separation layer entrance is connected to by the second water pump with for liquid pool inner cavity, is exported and is passed through the 5th solenoid valve and be connected to for liquid pool inner cavity；There is planting groove in separation layer suspension suitable for reading；It is additionally provided with central controller, the control terminal of each water pump, solenoid valve and nutrient solution preparation box is connect with central controller respectively.The system can be realized the automatic measurement and adjustment in water culture planting process to each element in nutrient solution, without professional knowledge and subjective plantation experience, can realize that inside plants nutrient solution indices optimize.
Description
Technical field
The utility model relates to a kind of planting units, in particular to a kind of to plant nutrient solution certainly based on hydromechanical water planting
Dynamic matching system.
Background technique
It is empty to have obtained unprecedented development with the extensive use of plant factor and light formula for modern water planting planting technology
Between.The adjusting of plant spectral can change the growth characteristics of plant.At the same time, the proportion of each microelement of plant nutrition liquid
Indispensable role is played to plant growth, wherein main component is nitrogen (N), phosphorus (P), potassium (K), calcium (Ca).Plant pair
The requirement of nutrient is different because of type and growth and development stage, so formula also will be adjusted according to circumstances in real time.Leaf vegetables need compared with
More nitrogen (N), it can promote the growth of blade；Tomato, cucumber will yield positive results, and need more phosphorus (P), potassium than leaf vegetables
(K), calcium (Ca), and the nitrogen (N) needed is then fewer than leaf vegetables.Growth and development period is different, the demand of Plant To Nutrient element
It is different.For example, the N in the tomato culture solution of nursery stage, the elements such as P, K can be less；When growing up it is necessary to increasing its supply
Amount.
The Major Difficulties of water planting planting equipment measured nutrient solution are at present, with Plant To Nutrient in planting process
The absorption and transpiration of liquid, the nutrient solution concentration in liquid storage tank is in lasting variation.If only simple Jia Shui and battalion
Nutrient solution will certainly make each nutrient in nutrient solution unbalance.Crop is in different growth courses, and the demand to nutritional ingredient is not
Together, it is difficult the ratio of the corresponding nutrient of intuitive judgment plant growth stage and its needs.Even if learning ratio, it is also difficult to right
Mixed nutrient solution ingredient, pH value and conductivity are finely adjusted.Meanwhile common measuring electrode is only applicable to single measurement, needs to store up
There are its precision is kept in particular solution.If being chronically at measuring state, it may appear that measuring basis drift and sensitivity of measurement drop
The problems such as low.The patent about plant nutrition liquid proportion published at present is all the nutritional ingredient proportion about specific plant,
But it for how to improve the degree of automation and accuracy rate for detecting in proportion process and planting process, does not all relate to.
Utility model content
Technical problem to be solved in the utility model be to provide for one kind can be realized it is right in water culture planting process
The automatic measurement and adjustment of each element in nutrient solution can realize that inside plants are sought without professional knowledge and subjective plantation experience
One kind that nutrient solution indices optimize is based on hydromechanical water planting and plants nutrient solution automatic mixing system.
The technical solution of the utility model is as follows:
One kind planting nutrient solution automatic mixing system based on hydromechanical water planting, including passes through pipeline and solenoid valve respectively
Sequentially connected reservoir, mixed liquid cabinet measure pipeline, for liquid pool and separation layer, are equipped in mixed liquid cabinet upper port more for storing
The nutrient solution preparation box of kind nutrient solution；It is equipped with ion transducer group in measurement pipeline, for the fluid for entering measurement pipeline
Internal each ion concentration measures；It is equipped with sensor above measurement pipeline and stores flow container, sensor stores the entrance of flow container
By the first water pump with measurement inner cavity of pipe be connected to, export pass through third solenoid valve with measure inner cavity of pipe be connected to；The isolation
The entrance of layer is connected to by the second water pump with for liquid pool inner cavity, is exported and is passed through the 5th solenoid valve and be connected to for liquid pool inner cavity；Every
Absciss layer suspension suitable for reading has multiple planting grooves, for placing vegetable seeds；
It is additionally provided with central controller, the control terminal of each water pump, solenoid valve and nutrient solution preparation box is controlled with center respectively
Device connection, for controlling the switch of water pump, each solenoid valve and nutrient solution preparation box；The signal of the ion transducer group exports
End is connect with central controller by signal wire, for the data of acquisition to be transmitted to central controller.
Preferably, storing flow container, for being respectively equipped with electronics in liquid pool and separation layer in reservoir, mixed liquid cabinet, sensor
Water-level gauge, electric water level gauge are connect with central controller respectively, for the amount of solution in each flow container of precise measurement.
Preferably, the separation layer is located at the top for liquid pool, and it is connected to reservoir by third water pump.
Preferably, suitable for reading equipped with Planting board in separation layer, the planting groove is inserted on Planting board and passes through Planting board
It is suspended in separation layer.
Preferably, being equipped with environmental sensor on Planting board, plant lamp is equipped with above separation layer, the environment passes
Sensor and plant lamp are connect with central controller respectively, for detecting the temperature and humidity of plant growth and providing illumination.
Preferably, the reservoir is thin and tall type tank body and lower end is connected to by the first solenoid valve with mixed liquid cabinet.
Preferably, the measurement pipeline along its axial horizontally disposed and both ends pass through respectively the second, the 4th solenoid valve with
Mixed liquid cabinet is connected to for liquid pool intracavity bottom.
Preferably, the nutrient solution preparation box is equipped with the digital valve with scale and real-time electronic reading function,
For passing through central controller accurate flow control.
The beneficial effects of the utility model are: the automatic matching device uses hydrodynamics and full automatic ion sensing control
Technology solves due to plant in different stages of growth to trace element requirement difference in nutrient solution, need to rely on plant personnel
The problem of subjective experience judges, can not eliminate human error.Meanwhile solving plant in same growth phase, with to nutrition
The absorption and transpiration of liquid, the problem that the variation of nutrient solution concentration can not be detected and be finely tuned in time.The device effectively disappears
In addition to conventional ion sensor electrode is only applicable to single measurement, and it is stored in particular solution dependent on manual to keep
The cost of labor and error of its precision.User only need to add base soln under being automatically reminded to of each water-level gauge, without profession
Knowledge and subjective plantation experience, can be realized the automatic measurement and tune in water culture planting process to each element in nutrient solution
It is whole, without professional knowledge and subjective plantation experience, it can realize that inside plants nutrient solution indices optimize.
Detailed description of the invention
Fig. 1 is the structure sectional view of the utility model.
In figure: 1. reservoirs, 2. electric water level gauges, 3. third water pumps, 4. central controllers, 5. nutrient solution preparation boxes, 6.
First solenoid valve, 7. mixed liquid cabinets, 8. second solenoid valves, 9. sensors store flow container, 10. measurement pipelines, 11. ion transducers
Group, 12. third solenoid valves, 13. first water pumps, 14. the 4th solenoid valves, 15. for liquid pool, 16. second water pumps, 17. the 5th electromagnetism
Valve, 18. separation layers, 19. planting grooves, 20. environmental sensors, 21. plant lamps, 22. Planting boards.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, so that those skilled in the art are referring to explanation
Book content can be implemented accordingly.
As shown in Figure 1, the utility model relates to one kind be based on hydromechanical water planting plant nutrient solution automatic mixing system
System, including respectively by pipeline and the sequentially connected reservoir 1 of solenoid valve, mixed liquid cabinet 7, measurement pipeline 10, for liquid pool 15 and every
Absciss layer 18, the reservoir 1 is thin and tall type tank body and lower end is connected to by the first solenoid valve 6 with mixed liquid cabinet 7.On mixed liquid cabinet 7
Suspension is equipped with multiple nutrient solution preparation boxes 5 for storing a variety of nutrient solutions in port, and the present embodiment is pre- with four nutrient solutions
For standby box.The measurement pipeline 10 passes through second solenoid valve 8, the 4th solenoid valve 14 along its axial horizontally disposed and both ends respectively
It is connected to mixed liquid cabinet 7 and for 15 intracavity bottom of liquid pool, mixes the inlet for connecting reservoir 1 on the left of liquid cabinet 7 higher than right side connection survey
The liquid outlet in buret road 10, the inlet for measuring the mixed liquid cabinet 7 of connection on the left of pipeline 10 are higher than right side and connect going out for liquid pool 15
Liquid mouth.Ion transducer group 11 is installed in measurement pipeline 10, there are multiple ion transducers in the ion transducer group 11,
For being measured to each ion concentration of internal fluid for entering measurement pipeline 10.
It is equipped with above measurement pipeline 10 and stores flow container 9, sensor storage for the sensor of storage sensors storage liquid
The entrance of flow container 9 is located at side and is connected to by the first water pump 13 with measurement 10 inner cavity of pipeline, and sensor stores the outlet of flow container 9
It is connected to positioned at bottom and by third solenoid valve 12 with measurement 10 inner cavity of pipeline.The separation layer 18 is located at for the upper of liquid pool 15
The entrance of side, 18 bottom of separation layer is connected to by the second water pump 16 with for 15 inner cavity of liquid pool, and the outlet of 18 bottom of separation layer passes through
5th solenoid valve 17 is connected to lower section for 15 inner cavity of liquid pool.There are multiple planting grooves 19 in the suspension suitable for reading of separation layer 18, for putting
Set vegetable seeds；Planting board 22 is installed separation layer 18 is suitable for reading, the planting groove 19 is inserted on Planting board 22 and passes through kind
Plate 22 is planted to be suspended in separation layer 18.It is managed close to 1 side of reservoir inserted with cleaning on separation layer 18, and in cleaning Guan Shangan
Equipped with third water pump 3, the separation layer 18 is connected to by cleaning pipe and third water pump 3 with reservoir 1.
Be additionally provided on mixed liquid cabinet 7 based on monolithic processor controlled central controller 4, each water pump, each solenoid valve and
The control terminal of nutrient solution preparation box 5 is connect with central controller 4 respectively, pre- for controlling water pump, each solenoid valve and nutrient solution
The switch of standby box 5.The signal output end of the ion transducer group 11 is connect with central controller 4 by signal wire, and being used for will
The data of acquisition are transmitted to central controller 4.
Flow container 9 is stored, for liquid pool 15 and 18 inner cavity upper portion side wall of separation layer difference in reservoir 1, mixed liquid cabinet 7, sensor
Equipped with electric water level gauge 2, electric water level gauge 2 is connect with central controller 4 respectively, for the solution in each flow container of precise measurement
Amount.
It is equipped with environmental sensor 20 on Planting board 22, plant lamp 21 is equipped with above separation layer 18, the environment passes
Sensor 20 and plant lamp 21 are connect with central controller 4 respectively, for detecting the temperature and humidity of plant growth and providing illumination.
The nutrient solution preparation box 5 is equipped with the digital valve with scale and real-time electronic reading function, for passing through center control
4 accurate flow control of device.
Under stationary state, second solenoid valve 8 and the 4th solenoid valve 14 are in closed state, and opening third solenoid valve 12 will
Sensor storage liquid fills measurement pipeline 10, guarantees that ion transducer group 11 can impregnate in storage liquid and keeps sensitivity.
When preparation mixes liquid, the first water pump 13 of starting is controlled by central controller 4, sensor storage liquid is pumped into passback sensor
It stores in flow container 9；The 4th solenoid valve 14 is opened again, will be flowed into measurement pipeline 10 for the existing solution of 15 inner part of liquid pool and is adopted
Sample measures each ion transducer in pipeline 10 and measures to existing solution, and passes data back central controller 4, by center
The new clear water amount and various ion concentrations being added for liquid pool 15 needed for calculating as needed of controller 4, and according to result control
First solenoid valve 6 of system connection reservoir 1 and the switch of each nutrient solution preparation box 5, the clear water of required addition and each ion are sought
Nutrient solution is mixed into mixed liquid cabinet 7.Later on second solenoid valve 8 and the 4th solenoid valve 14, by mixed solution and in liquid pool 15
The mixing of prototroph liquid phase.The solution after liquid is mixed at this time is stored in mixed liquid cabinet 7, measurement pipeline 10 and in liquid pool 15, then
Start the second water pump 16 and pumped to and recycled in separation layer 18, to be sufficiently mixed solution.
It is then shut off second solenoid valve 8 and the second water pump 16, and new mixed liquid is allowed to enter measurement pipeline 10, is passed by ion
Each ion transducer in sensor group 11 measures to new mixed solution and is transmitted to central controller 4, and controls with center
Tentation data compares in device 4, if comparing result is inconsistent, repeats the above mixed liquid process, is finely adjusted to mixed solution.
If comparing result is consistent, the second water pump 16 of starting will measure pipeline 10 and all punching is sent to isolation for mixed liquor new in liquid pool 15
In layer.It is then turned off the 4th solenoid valve 14, and opens the 5th solenoid valve 17, is back to mixed solution for liquid pool from separation layer
15.Third solenoid valve 12 is opened simultaneously, returns to sensor storage liquid stream in measurement pipeline 10, protection ion transducer group 11 is each
The precision of a sensor electrode.At this point, for being newest calibrated plant nutrition liquid in liquid pool 15.If you need to detect regular nutrition
System can be arranged by central controller 4, within a certain period of time repeatedly above step in liquid concentration.
When plant is during breeding, any nutrient solution is not needed, then closes each nutrient solution preparation box 5, opens the first water
Pump 13 returns to sensor storage liquid in sensor storage flow container 9.Then turn on the first solenoid valve 6, second solenoid valve 8 and
Four solenoid valves 14 allow whole system and reservoir 1 in connected state.By control the second water pump 16 and the 5th solenoid valve 17 adjustment every
Reservoir storage and storage time in absciss layer provide sufficient moisture for seed.As the evaporation and seed growth of moisture are to moisture
Consumption, central controller can judge the water supply situation of system by each electric water level gauge 2, and carry out associated regulatory.
The device clears up the Full-automatic calibration of equipment after can also realizing a crop cycle, prevents residue to system
Result in blockage, measurement accuracy decline the problems such as.Calibration scale removal process carries out the auto-calibration of ion transducer group first.Preparation
When calibration, each nutrient solution preparation box 5 is closed, the first water pump 13 is opened and draws back sensor storage liquid to sensor storage flow container
In 9.In the state of the first solenoid valve 6 of closing, second solenoid valve 8 and the 4th solenoid valve 14, pass through the tune of central controller
The ion nutrient solution of known concentration is added mixed liquid cabinet 7, and by the first solenoid valve 6 of opening, cooperates quantitative clear water by control, whole
Body adjusts concentration.Second solenoid valve 8 is then turned on, so that the solution of known concentration is flowed into measurement pipeline 10, to ion transducer group
It is calibrated, improves precision if you need to multiple spot calibration, this process can be repeated.
After calibration, system is automatically into cleaning mode.It is first turned on the first solenoid valve 6, second solenoid valve 8 and the 4th
Solenoid valve 14 allows whole system and reservoir 1 in connected state；Then the second water pump is opened, water is pumped into separation layer；It beats simultaneously
Third water pump 3 is opened, the water in separation layer is drawn back in reservoir 1.It is recycled with this, reaches cleaning purpose.After circulation terminates, it closes
Second water pump, while the opening state of third water pump 3 simultaneously is kept, water is all withdrawn into reservoir, is outwelled in reservoir
Water, complete entire scale removal process.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (8)
1. one kind plants nutrient solution automatic mixing system based on hydromechanical water planting, it is characterized in that: including passing through pipeline respectively
With the sequentially connected reservoir of solenoid valve, mixed liquid cabinet, measurement pipeline, for liquid pool and separation layer, be equipped with use in mixed liquid cabinet upper port
In the nutrient solution preparation box for storing a variety of nutrient solutions；Measurement pipeline in be equipped with ion transducer group, for enter measurement pipe
Each ion concentration of the internal fluid in road measures；Sensor, which is equipped with, above measurement pipeline stores flow container, sensor storing liquid
The entrance of tank by the first water pump with measurement inner cavity of pipe be connected to, export pass through third solenoid valve with measure inner cavity of pipe be connected to；
The entrance of the separation layer is connected to for liquid pool inner cavity by the second water pump, exports through the 5th solenoid valve and connect for liquid pool inner cavity
It is logical；There are multiple planting grooves in separation layer suspension suitable for reading, for placing vegetable seeds；
It is additionally provided with central controller, the control terminal of each water pump, solenoid valve and nutrient solution preparation box connects with central controller respectively
It connects, for controlling the switch of water pump, each solenoid valve and nutrient solution preparation box；The signal output end of the ion transducer group with
Central controller is connected by signal wire, for the data of acquisition to be transmitted to central controller.
2. according to claim 1 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, feature
It is: stores flow container, for being respectively equipped with electric water level gauge, electronic water level in liquid pool and separation layer in reservoir, mixed liquid cabinet, sensor
Meter is connect with central controller respectively, for the amount of solution in each flow container of precise measurement.
3. it is according to claim 1 or 2 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, it is special
Sign is: the separation layer is located at the top for liquid pool, and is connected to reservoir by third water pump.
4. according to claim 3 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, feature
Be: suitable for reading equipped with Planting board in separation layer, the planting groove is inserted on Planting board and is suspended in separation layer by Planting board.
5. according to claim 4 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, feature
It is: is equipped with environmental sensor on Planting board, plant lamp, the environmental sensor and plant lamp point is equipped with above separation layer
It is not connect with central controller, for detecting the temperature and humidity of plant growth and providing illumination.
6. according to claim 3 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, feature
Be: the reservoir is thin and tall type tank body and lower end is connected to by the first solenoid valve with mixed liquid cabinet.
7. according to claim 1 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, feature
Be: the measurement pipeline passes through the second, the 4th solenoid valve and mixed liquid cabinet and for liquid pool along its axial horizontally disposed and both ends respectively
Intracavity bottom connection.
8. according to claim 1 a kind of based on hydromechanical water planting plantation nutrient solution automatic mixing system, feature
Be: the nutrient solution preparation box is equipped with the digital valve with scale and real-time electronic reading function, for passing through center control
Device accurate flow control processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820897809.2U CN208370565U (en) | 2018-06-11 | 2018-06-11 | One kind planting nutrient solution automatic mixing system based on hydromechanical water planting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820897809.2U CN208370565U (en) | 2018-06-11 | 2018-06-11 | One kind planting nutrient solution automatic mixing system based on hydromechanical water planting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208370565U true CN208370565U (en) | 2019-01-15 |
Family
ID=64967085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820897809.2U Active CN208370565U (en) | 2018-06-11 | 2018-06-11 | One kind planting nutrient solution automatic mixing system based on hydromechanical water planting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208370565U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892203A (en) * | 2019-03-08 | 2019-06-18 | 北京农业智能装备技术研究中心 | Crop tidal irrigation integrated control system and management-control method |
| CN109937864A (en) * | 2019-03-26 | 2019-06-28 | 华南农业大学 | A kind of water planting tea shoot device and method based on automatic control system |
| CN110679461A (en) * | 2019-11-05 | 2020-01-14 | 四川农业大学 | Device for root development of crops in seedling stage and use method |
| CN110959411A (en) * | 2019-12-18 | 2020-04-07 | 刘璐 | Planting device for three-dimensional planting |
| CN112997870A (en) * | 2019-12-19 | 2021-06-22 | 松下知识产权经营株式会社 | Plant cultivation method and plant cultivation system |
| CN113615564A (en) * | 2021-07-21 | 2021-11-09 | 王爱玉 | Agricultural soilless culture system |
-
2018
- 2018-06-11 CN CN201820897809.2U patent/CN208370565U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892203A (en) * | 2019-03-08 | 2019-06-18 | 北京农业智能装备技术研究中心 | Crop tidal irrigation integrated control system and management-control method |
| CN109937864A (en) * | 2019-03-26 | 2019-06-28 | 华南农业大学 | A kind of water planting tea shoot device and method based on automatic control system |
| CN110679461A (en) * | 2019-11-05 | 2020-01-14 | 四川农业大学 | Device for root development of crops in seedling stage and use method |
| CN110959411A (en) * | 2019-12-18 | 2020-04-07 | 刘璐 | Planting device for three-dimensional planting |
| CN112997870A (en) * | 2019-12-19 | 2021-06-22 | 松下知识产权经营株式会社 | Plant cultivation method and plant cultivation system |
| CN113615564A (en) * | 2021-07-21 | 2021-11-09 | 王爱玉 | Agricultural soilless culture system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208370565U (en) | One kind planting nutrient solution automatic mixing system based on hydromechanical water planting | |
| CA2694399C (en) | Plant-controlled atmometer for measuring crop evapotranspiration | |
| CN106664937A (en) | Water-fertilizer-integrated four-control irrigating and fertilizing system | |
| CN107037090B (en) | A kind of photosynthesis prediction technique based on the variation of blade tensity | |
| CN108012640A (en) | It is a kind of based on the Irrigation and fertilization system for making substance environment collaborative feedback | |
| CN108874751B (en) | TDR (time domain reflectometry) measurement technology-based greenhouse drip irrigation tomato water demand calculation method | |
| CN103718939A (en) | Substrate culture nutrient solution supply control method and system | |
| CN103190328A (en) | Automatic irrigation decision system based on negative head water control water supply | |
| CN102498974A (en) | Solar automatic control plant culture device | |
| CN105230451B (en) | A kind of field-crop water shortage irrigation automatic forecasting device | |
| CN112568116A (en) | Intelligent multilayer combined vertical aeroponic culture system and control method | |
| CN206525254U (en) | Irrigation rig and greenhouse automatic water replenishing system | |
| CN102735797B (en) | The detection method of a kind of Chinese crude drug or sulfur dioxide contained in Chinese herbal pieces residual quantity limitation | |
| CN106818283A (en) | A kind of flowerpot Intelligent watering system and flowerpot Intelligent watering method | |
| CN207400113U (en) | A kind of hydroponic device for monitoring plant seedlings root growth | |
| CN205794365U (en) | A kind of based on computer-controlled automatic liquid matching equipment | |
| US20210227762A1 (en) | Aqueous grow chamber recirculating nutrient control system and sensor calibration | |
| McFarlane et al. | Plant exposure chambers for study of toxic chemical‐plant interactions | |
| CN109030786A (en) | A kind of farmland irrigation water measuring device and measuring method | |
| CN201707096U (en) | Container tank calibration device | |
| CN206879423U (en) | Water-fertilizer integral four controls Irrigation and fertilization system | |
| BLOM‐ZANDSTRA et al. | A computer‐controlled multi‐titration system to study transpiration, OH− efflux and nitrate uptake by intact lettuce plants (Lactuca sativa L.) under different environmental conditions | |
| Andriolo et al. | An experimental set‐up to study carbon, water, and nitrate uptake rates by hydroponically grown plants | |
| CN206177747U (en) | Rising measurement system of potted plant | |
| CN205794372U (en) | A kind of equipment of automatic preparation nutritional solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200717 Address after: No.71 Qinghuaci street, Nankai District, Tianjin Co-patentee after: Wang Lihong Patentee after: Wang Chu Address before: 121000 No. 19-17, Jinxiu Tiandi C District, Jinzhou City, Liaoning Province Patentee before: Wang Chu |