CN201752202U - Automatic nutrient solution circulating system of miniature vegetable factory - Google Patents
Automatic nutrient solution circulating system of miniature vegetable factory Download PDFInfo
- Publication number
- CN201752202U CN201752202U CN2010202568628U CN201020256862U CN201752202U CN 201752202 U CN201752202 U CN 201752202U CN 2010202568628 U CN2010202568628 U CN 2010202568628U CN 201020256862 U CN201020256862 U CN 201020256862U CN 201752202 U CN201752202 U CN 201752202U
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- Prior art keywords
- nutrient solution
- automatic
- pipeline
- circulating system
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Hydroponics (AREA)
Abstract
The utility model relates to an automatic nutrient solution circulating system of a miniature vegetable factory, which belongs to the technical field of agricultural soilless culture. The automatic nutrient solution circulating system comprises a water culture tank, a nutrient solution tank, a water pump, a solution supply pipe, a solution return pipe, a detector, an intelligent controller, an automatic solution preparation system and a forced nutrient solution drainage pipeline, wherein the water pump is arranged in the nutrient solution tank, the bottom end of the solution supply pipe is connected with the water pump, the nutrient solution flows in the water culture tank via the solution supply pipe and then flows back to the nutrient solution tank via the return pipe, the automatic solution preparation system is connected with the nutrient solution tank via a pipeline, the forced drainage pipeline is connected with the solution supply pipe, and a forced drainage valve is mounted on the forced drainage pipeline. The automatic nutrient solution circulating system can be used for monitoring indexes including pH, EC, dissolved oxygen, solution level and the like in nutrient solution in the tank at real time, and adjusts various parameters by the aid of the intelligent controller, so that the various parameters can meet requirements of vegetable growth.
Description
Technical field
The utility model relates to the nutrient solution automatic circulating system of a kind of miniature size vegetable factory, belongs to agriculture cultivation technique without soil field.
Background technology
Progressively raising along with people's living standard and spiritual demand, family planting progresses among the increasing family, corresponding cultivation techniques also obtains research and development gradually and uses, but current family planting pattern is mainly cultivated based on extensive style such as balcony agricultural, home gardenings, the concrete method for planting of planting is cultivated based on plain types such as potted plant, bag trainings, cultivating facility does not form supporting system, and automatic management is carried out in inconvenience, and technical guarantee is poor.
Plant factor is that a kind of control by high-precision environment in the facility realized crops anniversary quantity-produced high-efficiency agriculture system, is by temperature, humidity, illumination, the CO of calculator to the plant growing process
2Environmental condition such as concentration and nutrient solution is controlled automatically, is not subjected to or seldom is subjected to the brand-new mode of production of natural conditions restriction, is the acme of facility cultivation.Current, plant factor is applied in the agriculture garden of America and Europe, Japan and China, and as family plant factor, the nutrient solution automatic circulating system is a core content of realizing family's automatic cultivation.
The utility model content
The purpose of this utility model is to provide the nutrient solution automatic circulating system of a kind of miniature size vegetable factory.This nutrient solution automatic circulating system can satisfy miniature size vegetable plant produced performance requirement, guarantees the smooth realization of every function of miniature size vegetable factory, helps the quick exploitation and the large-area popularization of family's vegetable works.
The purpose of this utility model is achieved through the following technical solutions:
The nutrient solution automatic circulating system of a kind of miniature size vegetable factory, it is characterized in that: comprise water planting groove, nutrient solution case, water pump, feed pipe, liquid back pipe, detector, intelligent controller, automatic liquid mixing system and nutrient solution forced-ventilated pipeline, water pump places in the nutrient solution case, the feed pipe bottom is connected with water pump, nutrient solution flows in the water planting groove by feed pipe, flow back to the nutrient solution case by liquid back pipe again, automatic liquid mixing system links to each other with the nutrient solution case by pipeline, the forced-ventilated pipeline links to each other with feed pipe, and the forced-ventilated valve is installed on it.
A kind of optimized technical scheme is characterized in that: described automatic liquid mixing system comprises dispensing box and measuring pump, and dispensing box links to each other with measuring pump by pipeline, and dosing pump links to each other with the nutrient solution case by pipeline.Nutrient solution can be realized automatic preparation.
A kind of optimized technical scheme is characterized in that: the feed flow valve is installed on the described feed pipe.Can regulate the feed flow flow velocity.
A kind of optimized technical scheme is characterized in that: described water planting groove is respectively equipped with feed flow hole and hole for back flow in the side, links to each other with liquid back pipe with feed pipe respectively.
A kind of optimized technical scheme is characterized in that: also comprise the stirring pipeline, described stirring pipeline one end is connected near on the feed pipe of nutrient solution case, and the other end links to each other with the nutrient solution case, stirs to install on the pipeline and stirs valve.
A kind of optimized technical scheme is characterized in that: also comprise water-supply line, described water-supply line links to each other with the nutrient solution case, and feed-water valve is installed on it.
Detector can be monitored every indexs such as pH, EC, dissolved oxygen, the liquid level of nutrient solution in the casing in real time, and various Monitoring Data are sent to intelligent controller, intelligent controller is PLC, by intelligent controller automatic liquid mixing system is controlled, realize the adjusting of parameters, guarantee that parameters adapts to the vegetable growth demand.
Beneficial effect:
Functions such as the nutrient solution automatic circulating system can realize that automatic circulation feed flow, the nutrient solution of nutrient solution are prepared automatically, stirring automatically, forced discharge and liquid level auto-control.Adopt disjunctor from return liquid system, utilize the gravity concurrent to realize the liquid that returns of nutrient solution.
Can monitor every indexs such as nutrient solution pH, EC, dissolved oxygen, liquid level in the casing in real time by detector, and, realize the adjusting of parameters, make parameters adapt to the vegetable growth demand by intelligent controller.
Below in conjunction with the drawings and specific embodiments the utility model is further specified, but and do not mean that restriction the utility model protection domain.
Description of drawings
Fig. 1 is the nutrient solution automatic circulating system structural representation of miniature size vegetable factory.
Embodiment
The nutrient solution automatic circulating system of a kind of miniature size vegetable factory comprises water planting groove, nutrient solution case, water pump, feed pipe, liquid back pipe, detector, intelligent controller, automatic liquid mixing system and nutrient solution forced-ventilated pipeline etc.Automatic circulation feed flow, the nutrient solution that can realize nutrient solution prepared and function such as liquid level auto-control automatically.Its structural representation as shown in Figure 1, wherein 1,2 and 3 is the feed flow valve, 4 is the water planting groove, 5 is liquid back pipe, and 6 is feed pipe, and 7,8 and 12 is measuring pump, 9,10 and 11 is dispensing box, and 13 is the forced-ventilated valve, and 14 is the forced-ventilated pipeline, 15 is feed-water valve, and 16 is water-supply line, and 17 are the highest liquid level, 18 is minimum liquid level, and 19 for stirring pipeline, and 20 is water pump, 21 is the nutrient solution case, and 22 for stirring valve.
Water planting groove 4 is positioned at miniature size vegetable factory cultivating chamber, nutrient solution case 21 is positioned at miniature size vegetable factory orlop, water pump 20 places in the nutrient solution case 21, it is interlayer one side that the cabinet back side and cultivating chamber form that feed pipe 6 and liquid back pipe 5 vertically are arranged in the cultivating chamber back side side by side, realize that by feed flow hole on every layer of water planting groove 4 and hole for back flow nutrient solution is supplied with and discharging, be provided with feed flow hole and hole for back flow respectively at certain water level place in water planting groove 4 sides.Feed pipe 6 bottoms are connected with water pump 20, and the other end is connected with feed flow hole on every layer of cultivating chamber water planting groove 4, and nutrient solution directly is passed in the plant cultivation chamber water planting groove 4 by feed pipe 6, realize the supply of plant nutrition.Liquid back pipe 5 one ends are communicated with hole for back flow on every layer of cultivating chamber water planting groove 4, and the bottom links to each other with nutrient solution case 21, and when liquid level surpassed certain altitude, unnecessary nutrient solution directly flowed back to nutrient solution case 21 by liquid back pipe 5, thereby realize that nutrient solution returns liquid, circulation automatically.Be equipped with feed flow valve 1,2,3 on the every feed pipe 6, can regulate the feed flow flow velocity.Feed pipe 6 and liquid back pipe 5 adopt the UPVC pipe.
Nutrient solution can be realized automatic preparation.Automatic liquid mixing system links to each other with nutrient solution case 21 by pipeline, automatic liquid mixing system comprises dispensing box 9,10,11 and measuring pump 7,8,12, dispensing box 9,10,11 links to each other with measuring pump 7,8,12 by pipeline, and dosing pump 7,8,12 links to each other with nutrient solution case 21 by pipeline.Nutrient solution can be realized automatic preparation.Dispensing box is equipped with A liquid, B liquid, C liquid respectively, each dispensing box links to each other with measuring pump, and dosing pump directly links to each other with nutrient solution case 21 by pipeline, according to the nutrient solution configuration proportion of default, dosing pump flows directly into nutrient solution case 21 with every kind of component solution, and the realization nutrient solution is prepared automatically.
This system is provided with nutrient solution forced-ventilated pipeline 14, links to each other with feed pipe 6, and forced-ventilated valve 13 is installed on it.Can realize the discharging by force of nutrient solution.When nutrient solution need be changed, open forced-ventilated valve 13, realize that nutrient solution discharges by force.Nutrient solution case 21 is provided with the highest liquid level 17 and minimum liquid level 18, and when the nutrient solution liquid level is higher than the highest liquid level 17, system will discharge by force to nutrient solution, and when liquid level is lower than minimum liquid level 18, system will carry out the automatic supply of nutrient solution.
In addition, this system also is provided with and stirs pipeline 19, stirs pipeline 19 1 ends and is connected near on the feed pipe 6 of nutrient solution case 21, and the other end links to each other with nutrient solution case 21, stirs to install on the pipeline 19 and stirs valve 22.Open and stir valve 22, can the nutrient solution of preparation be stirred, make various nutrient preparations evenly.
This system also is provided with water-supply line 16, and water-supply line 16 links to each other with nutrient solution case 21, and feed-water valve 15 is installed on it.Water-supply line 16 is arranged on nutrient solution case 21 1 ends, by control feed-water valve 15, can directly water be flowed in the nutrient solution, realizes the dilution to the high concentration nutrient solution.
The detector of nutrient solution automatic circulating system and intelligent controller can to pH (acid-base value), EC (electrical conductivity), dissolved oxygen and liquid level be monitored and Based Intelligent Control.Nutrient solution case 21 is positioned over the miniature size vegetable factory cabinet bottom one side, built-in pH, EC, dissolved oxygen, liquid level detector, nutrient solution, detector can be monitored every indexs such as pH, EC, dissolved oxygen, the liquid level of nutrient solution in the casing in real time, and various Monitoring Data are sent to intelligent controller, input is fit to the various ideal parameters of vegetable growth in the intelligent controller.According to indexs such as real-time monitoring pH, EC, dissolved oxygen, liquid levels, when index was not suitable for the plant growing requirement, intelligent controller can be realized the regulation and control to each index, realize automatic liquid matching, regulate liquid level, pH, EC, oxygen dissolving value, stir automatically, force functions such as discharge opeing.By intelligent controller automatic liquid mixing system is controlled, realized the adjusting of parameters, guarantee that parameters adapts to the vegetable growth demand.
Claims (6)
1. the nutrient solution automatic circulating system of a miniature size vegetable factory, it is characterized in that: comprise water planting groove, nutrient solution case, water pump, feed pipe, liquid back pipe, detector, intelligent controller, automatic liquid mixing system and nutrient solution forced-ventilated pipeline, water pump places in the nutrient solution case, the feed pipe bottom is connected with water pump, nutrient solution flows in the water planting groove by feed pipe, flow back to the nutrient solution case by liquid back pipe again, automatic liquid mixing system links to each other with the nutrient solution case by pipeline, the forced-ventilated pipeline links to each other with feed pipe, and the forced-ventilated valve is installed on it.
2. the nutrient solution automatic circulating system of miniature size vegetable according to claim 1 factory, it is characterized in that: described automatic liquid mixing system comprises dispensing box and measuring pump, dispensing box links to each other with measuring pump by pipeline, and dosing pump links to each other with the nutrient solution case by pipeline.
3. the nutrient solution automatic circulating system of miniature size vegetable according to claim 1 factory is characterized in that: the feed flow valve is installed on the described feed pipe.
4. the nutrient solution automatic circulating system of miniature size vegetable according to claim 1 factory, it is characterized in that: described water planting groove one end is provided with hole for back flow, and hole for back flow links to each other with liquid back pipe.
5. the nutrient solution automatic circulating system of miniature size vegetable according to claim 1 factory, it is characterized in that: also comprise the stirring pipeline, described stirring pipeline one end is connected near on the feed pipe of nutrient solution case, and the other end links to each other with the nutrient solution case, stirs to install on the pipeline and stirs valve.
6. the nutrient solution automatic circulating system of miniature size vegetable according to claim 1 factory, it is characterized in that: also comprise water-supply line, described water-supply line links to each other with the nutrient solution case, and feed-water valve is installed on it.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202568628U CN201752202U (en) | 2010-07-05 | 2010-07-05 | Automatic nutrient solution circulating system of miniature vegetable factory |
| PCT/CN2011/075156 WO2012003756A1 (en) | 2010-07-05 | 2011-06-02 | Automatic nutrient solution circulation system for micro-vegetable production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202568628U CN201752202U (en) | 2010-07-05 | 2010-07-05 | Automatic nutrient solution circulating system of miniature vegetable factory |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201752202U true CN201752202U (en) | 2011-03-02 |
Family
ID=43619933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202568628U Expired - Lifetime CN201752202U (en) | 2010-07-05 | 2010-07-05 | Automatic nutrient solution circulating system of miniature vegetable factory |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201752202U (en) |
| WO (1) | WO2012003756A1 (en) |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003756A1 (en) * | 2010-07-05 | 2012-01-12 | 北京中环易达设施园艺科技有限公司 | Automatic nutrient solution circulation system for micro-vegetable production system |
| ITPR20110087A1 (en) * | 2011-10-18 | 2013-04-19 | Biospaces S R L | PLANT AND MICROPONIC PROCESS FOR PLANT CULTIVATION |
| ITPR20110088A1 (en) * | 2011-10-18 | 2013-04-19 | Biospaces S R L | METHOD OF CULTIVATION OF AIRCRAFT COMBINED WITH NFT FOR OBTAINING HORTICULTURE PRODUCTS |
| CN103461032A (en) * | 2013-09-17 | 2013-12-25 | 东莞市凯鑫农业科技有限公司 | Indoor planting system |
| CN103651091A (en) * | 2013-12-28 | 2014-03-26 | 何庆富 | Full-automatic irrigation hole-moistening cultivating and planting system |
| CN103713588A (en) * | 2013-11-06 | 2014-04-09 | 南京信息职业技术学院 | Greenhouse group environment remote monitoring system based on field bus and 3G network |
| CN105052717A (en) * | 2015-07-27 | 2015-11-18 | 杭州阳田农业设备有限公司 | Plant factory with function of detecting concentration of nitrate ions |
| CN105075839A (en) * | 2015-08-26 | 2015-11-25 | 青岛市农业科学研究院 | Water planting apparatus and water planning method for large-scale wheat drought resistance simulation |
| CN105432456A (en) * | 2016-01-25 | 2016-03-30 | 深圳市梦农生物农业科技有限公司 | Three-dimensional water culture method and system and hydroponic plant thereof |
| CN105532413A (en) * | 2016-02-19 | 2016-05-04 | 无锡佳培科技有限公司 | Natural light utilization type plant factory system for factory production of vegetables |
| CN106416985A (en) * | 2015-08-06 | 2017-02-22 | 中华映管股份有限公司 | Plant cultivation monitoring system |
| CN106718810A (en) * | 2017-01-19 | 2017-05-31 | 浙江大学 | Large-scale production type plant factor nutrient solution high-efficiency energy-saving circulating system |
| CN106843307A (en) * | 2017-02-22 | 2017-06-13 | 佛山市高明区菜花园农业科技有限公司 | The control system and control method of a kind of hydroponic device |
| CN107836343A (en) * | 2017-12-09 | 2018-03-27 | 佛山市高明区菜花园农业科技有限公司 | A kind of water planting changing liquid automatically device |
| CN107969312A (en) * | 2017-12-09 | 2018-05-01 | 佛山市高明区菜花园农业科技有限公司 | Nutrient solution preparation facilities is used in a kind of water culture plantation |
| CN107980574A (en) * | 2017-12-04 | 2018-05-04 | 深圳春沐源控股有限公司 | The preparation method and device of nutrient solution |
| CN109275557A (en) * | 2018-09-18 | 2019-01-29 | 云南中烟工业有限责任公司 | A kind of automation tobacco solid floating-seedling device and method |
| IT201800009168A1 (en) * | 2018-10-05 | 2020-04-05 | Cirigliano Anna | "METHOD AND APPARATUS FOR HYDROPONIC CULTIVATION" |
| CN118011782A (en) * | 2024-04-08 | 2024-05-10 | 吉林农业大学 | THGS-PID-based vegetable hydroponic nutrition self-adaptive regulation and control method |
Families Citing this family (2)
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| CN107372086A (en) * | 2017-09-04 | 2017-11-24 | 新疆农业科学院农业机械化研究所 | Plant cultivation system |
| CN109717067A (en) * | 2019-02-26 | 2019-05-07 | 罗定铨镁太阳能科技有限公司 | A kind of hydroponic system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101300958B (en) * | 2007-05-11 | 2012-01-11 | 中国科学院沈阳应用生态研究所 | Intermittent immersed plant cultivation device and control method thereof |
| CN201752201U (en) * | 2010-07-05 | 2011-03-02 | 北京中环易达设施园艺科技有限公司 | Miniature vegetable factory |
| CN201752202U (en) * | 2010-07-05 | 2011-03-02 | 北京中环易达设施园艺科技有限公司 | Automatic nutrient solution circulating system of miniature vegetable factory |
| CN101940154A (en) * | 2010-07-05 | 2011-01-12 | 北京中环易达设施园艺科技有限公司 | Miniature vegetable factory |
-
2010
- 2010-07-05 CN CN2010202568628U patent/CN201752202U/en not_active Expired - Lifetime
-
2011
- 2011-06-02 WO PCT/CN2011/075156 patent/WO2012003756A1/en active Application Filing
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012003756A1 (en) * | 2010-07-05 | 2012-01-12 | 北京中环易达设施园艺科技有限公司 | Automatic nutrient solution circulation system for micro-vegetable production system |
| ITPR20110087A1 (en) * | 2011-10-18 | 2013-04-19 | Biospaces S R L | PLANT AND MICROPONIC PROCESS FOR PLANT CULTIVATION |
| ITPR20110088A1 (en) * | 2011-10-18 | 2013-04-19 | Biospaces S R L | METHOD OF CULTIVATION OF AIRCRAFT COMBINED WITH NFT FOR OBTAINING HORTICULTURE PRODUCTS |
| CN103461032A (en) * | 2013-09-17 | 2013-12-25 | 东莞市凯鑫农业科技有限公司 | Indoor planting system |
| CN103461032B (en) * | 2013-09-17 | 2015-10-28 | 东莞市凯鑫农业科技有限公司 | Indoor implant system |
| CN103713588A (en) * | 2013-11-06 | 2014-04-09 | 南京信息职业技术学院 | Greenhouse group environment remote monitoring system based on field bus and 3G network |
| CN103651091A (en) * | 2013-12-28 | 2014-03-26 | 何庆富 | Full-automatic irrigation hole-moistening cultivating and planting system |
| CN103651091B (en) * | 2013-12-28 | 2016-03-02 | 何庆富 | Full-automatic irrigation profit hole cultivating and growing system |
| CN105052717A (en) * | 2015-07-27 | 2015-11-18 | 杭州阳田农业设备有限公司 | Plant factory with function of detecting concentration of nitrate ions |
| CN106416985A (en) * | 2015-08-06 | 2017-02-22 | 中华映管股份有限公司 | Plant cultivation monitoring system |
| CN105075839A (en) * | 2015-08-26 | 2015-11-25 | 青岛市农业科学研究院 | Water planting apparatus and water planning method for large-scale wheat drought resistance simulation |
| CN105432456A (en) * | 2016-01-25 | 2016-03-30 | 深圳市梦农生物农业科技有限公司 | Three-dimensional water culture method and system and hydroponic plant thereof |
| CN105532413A (en) * | 2016-02-19 | 2016-05-04 | 无锡佳培科技有限公司 | Natural light utilization type plant factory system for factory production of vegetables |
| CN106718810A (en) * | 2017-01-19 | 2017-05-31 | 浙江大学 | Large-scale production type plant factor nutrient solution high-efficiency energy-saving circulating system |
| CN106843307A (en) * | 2017-02-22 | 2017-06-13 | 佛山市高明区菜花园农业科技有限公司 | The control system and control method of a kind of hydroponic device |
| CN107980574A (en) * | 2017-12-04 | 2018-05-04 | 深圳春沐源控股有限公司 | The preparation method and device of nutrient solution |
| CN107836343A (en) * | 2017-12-09 | 2018-03-27 | 佛山市高明区菜花园农业科技有限公司 | A kind of water planting changing liquid automatically device |
| CN107969312A (en) * | 2017-12-09 | 2018-05-01 | 佛山市高明区菜花园农业科技有限公司 | Nutrient solution preparation facilities is used in a kind of water culture plantation |
| CN109275557A (en) * | 2018-09-18 | 2019-01-29 | 云南中烟工业有限责任公司 | A kind of automation tobacco solid floating-seedling device and method |
| IT201800009168A1 (en) * | 2018-10-05 | 2020-04-05 | Cirigliano Anna | "METHOD AND APPARATUS FOR HYDROPONIC CULTIVATION" |
| CN118011782A (en) * | 2024-04-08 | 2024-05-10 | 吉林农业大学 | THGS-PID-based vegetable hydroponic nutrition self-adaptive regulation and control method |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012003756A1 (en) | 2012-01-12 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110302 |
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| CX01 | Expiry of patent term |