• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An intelligent and precise drip irrigation system for integrated application of water, fertilizer, gas and heat in a greenhouse includes a power device, a drip irrigation head device, a water temperature control device, an intelligent fertilizer distributor, an aeration device, a drip irrigation pipe network and an intelligent control system. The intelligent control system includes a monitoring device, a controller, a mobile terminal and an executive device. The monitoring device includes a cultivation substrate sensor and a device sensor. The executive device controls the start and stop of each device in the drip irrigation system. The controller is mainly configured to collect, receive and transmit a monitoring signal and an executive signal. The controller receives the monitoring signal and transmits the monitoring signal to the mobile terminal. The mobile terminal includes a mobile phone, a tablet computer and a computer. A decision software APP is arranged on the mobile terminal. The controller sends instructions to each device of the executive device of the drip irrigation system to control the start and stop of each device in the drip irrigation system. The invention has the functions of heating, aerating and cooling, realizes the regulation and control of water temperature and dissolved oxygen for irrigation to obtain better and more precise water temperature and dissolved oxygen content for irrigation.
    公开号:NL2026119A
    申请号:NL2026119
    申请日:2020-07-23
    公开日:2021-12-14
    发明作者:Sun Xiulu；Li Hao；Zhang Junpeng；Feng Junjie；Sun Hao；Liu Yang；Han Qibiao
    申请人:Farmland Irrigation Res Institute Caas；
    IPC主号:
    专利说明:

    -1- Intelligent and precise drip irrigation system for integrated application of water, fertilizer, gas and heat in greenhouse Technical field The present invention relates to an intelligent and precise drip irrigation system for integrated application of water, fertilizer, gas and heat in a greenhouse, which belongs to the field of farmland irrigation equipment.
    Background
    Water, fertilizer, gas and heat are the main environmental factors affecting crop growth.
    In order to ensure high and stable yield of crops, it is required to take engineering and technical measures to ensure the environment with the suitable water, fertilizer, gas and heat in the crop root zone.
    Greenhouse, as the representative of high-tech agricultural production, can regulate its internal environment.
    Drip irrigation system is often used for irrigation operation in modern greenhouse cultivation.
    Because drip irrigation system is a closed pipeline system, it can also transfer fertilizer, gas and heat to crop root zone through drip irrigation.
    This has become one of the important methods to regulate and control environmental factors in the crop root zone, and it also has been becoming a research hotspot in the field of farmland irrigation equipment in recent years.
    Chinese
    Patent CN105613135B discloses an intelligent integrated irrigation system of water, fertilizer, gas and heat in greenhouse.
    The system adopts the power source of clean energy, and controls a water source, a fertilization unit, an aerating unit and a drip irrigation system through a collection and detection unit of a programmable logic controller (PLC) and data of sensors, which realizes automatic irrigation, fertilization,
    aeration and heating.
    The intelligent mobile terminal is connected to the wireless communicator through the wireless network to obtain the information of soil moisture, salinity, temperature and crop growth, and can monitor the whole automatic operation of the PLC.
    However, the water source of the system only has the function of heating and can not realize the automatic adjustment of temperature.
    The fertilization unit uses solid fertilizer, which can not be accurately controlled due to the existence of impurities.
    The aeration unit adopts the method of chemical gas production, which is unstable, and the transport of air bubbles is poor.
    The PLC only depends on data collection, is still judged by farmers themselves, and does not have the function of analysis and decision-
    -2- making, so it can not realize the intelligent and precise application of water, fertilizer, gas and heat in the greenhouse. Summary In order to solve the problem of precise application of fertilization, aeration and heating, and to further improve the intelligent decision-making level of integrated application of water, fertilizer, gas and heat in the greenhouse, the present invention provides an intelligent and precise drip irrigation system for integrated application of water, fertilizer, gas and heat in a greenhouse.
    In order to solve the above technical problems, the present invention adopts the following technical solution. An intelligent and precise drip irrigation system for integrated application of water, fertilizer, gas and heat in a greenhouse includes a power device, a drip irrigation head device, a water temperature control device, an intelligent fertilizer distributor, an aeration device, a drip irrigation pipe network and an intelligent control system. The power device provides power for each device of the drip irrigation system.
    The drip irrigation head device includes a water tank, a centrifugal water pump and a filtering device. The water tank provides water for the drip irrigation system and is placed in a corner of the greenhouse. The centrifugal water pump, the filtering device and a safety valve are successively arranged along the outside of the water tank.
    The water temperature control device is arranged next to the water tank, and the water temperature control device is connected to the water tank to provide the water tank with water, wherein the temperature of the water meets the requirement of the drip irrigation system. The water temperature control device includes a water heating tank, a water cooling tank and a water mixing tank. The water mixing tank is respectively connected to the water heating tank and the water cooling tank through a pipe. The water heating tank, the water cooling tank and the water mixing tank are provided with a water temperature monitoring mechanism, respectively.
    -3- The intelligent fertilizer distributor is connected at an outlet pipe of the drip irrigation head device, and the intelligent fertilizer distributor includes a plurality of fertilizer buckets, a connecting pipe, a self-priming pump and a mixing cavity.
    A solenoid valve is installed on the connecting pipe.
    An electronic control opening and closing device is arranged on the self-priming pump.
    An EC/PH monitoring device is installed on the outlet pipe of the drip irrigation head device.
    The aeration device is a micro-nano bubble generating device.
    The drip irrigation pipe network includes a water transmission and distribution pipeline and an irrigation capillary.
    The intelligent control system includes a monitoring device, a controller, a mobile terminal and an executive device.
    The monitoring device includes a cultivation substrate sensor and a device sensor.
    The cultivation substrate sensor includes a moisture sensor, a temperature sensor, an EC sensor and a dissolved oxygen content sensor, and the cultivation substrate sensor is placed in soil or in a cultivation substrate.
    The device sensor is arranged on the power device, the drip irrigation head device, the water temperature control device, the intelligent fertilizer distributor and the aeration device.
    The executive device controls the start and stop of each device in the drip irrigation system.
    The executive device includes a power deficit warning device, a main module-standby module automatic switching device, the centrifugal water pump, the filtering device, a solar water heater, a heater, a cooling device, a mixing device, the self-priming pump, the solenoid valve, the micro-nano bubble generating device.
    The controller is mainly configured to collect, receive and transmit a monitoring signal and an executive signal.
    The controller receives the monitoring signal and transmits the monitoring signal to the mobile terminal.
    -4- The mobile terminal includes a mobile phone, a tablet computer and a computer. A decision software APP is arranged on the mobile terminal, and the decision software APP includes a built-in crop growth model. The decision software receives a signal transmitted from the controller, and the built-in crop growth model automatically calculates relative suitable indexes of water, fertilizer, gas and heat according to different crop varieties to obtain calculation results, and transmit the calculation results to the controller.
    The controller sends an instruction to the executive device, and the executive device controls the start and stop of each device in the drip irrigation system.
    Preferably, the power device includes the main power storage module and the standby power storage module. The main power storage module is charged by a photovoltaic film assembly, and the photovoltaic film assembly is installed on the greenhouse. The standby power storage module employs a rechargeable storage battery.
    Preferably, the power device includes the power deficit warning device and the main module-standby module automatic switching device.
    Preferably, the water tank employs a square stainless steel water tank. A water level gauge is installed on the stainless steel water tank, and the water level gauge is connected to the intelligent control system.
    Preferably, the water heating tank includes the solar water heater, and the heater arranged in the water heating tank. The water cooling tank includes the cooling device arranged in the water cooling tank.
    Preferably, the mixing device is arranged in the water mixing tank.
    Preferably, the water transmission and distribution pipeline is buried under the greenhouse. A quick-connect adapter valve is provided at the water transmission and distribution pipeline extending out of ground, and the quick-connect adapter valve is configured to conveniently connect a pipeline on the ground. The solenoid valve is
    -5- arranged on the water transmission and distribution pipeline. The solenoid valve is opened and closed by the intelligent control system to supply water, fertilizer, gas and heat to the irrigation capillary.
    Preferably, the irrigation capillary is buried under a mulching film, in the soil or in the cultivation substrate. The present invention further provides an intelligent and precise drip irrigation method for integrated application of water, fertilizer, gas and heat in a greenhouse using the drip irrigation system of the present invention, and the method includes the following steps: (1) performing photovoltaic charging on the power device during an irrigation interval, wherein when the power deficit is monitored in a standby battery, the power device issues a prompt in time through the intelligent control system and charges the standby battery, (2) performing whole process monitoring, intelligent perception and precise control by the intelligent control system, wherein when the water deficit is monitored, the decision software automatically generates a calculation result of a required water consumption, and the controller controls the drip irrigation head device to start working according to the calculation result; when an amount of an irrigation is met, the irrigation is stopped automatically; during the irrigation, the intelligent control system monitors the operation of the relevant devices; when the filtering device needs to be flushed, the filtering device issues a prompt and flushes automatically; and (3) monitoring an EC/PH value, a dissolved oxygen content and a temperature in the soil or the cultivation substrate by the intelligent control system, wherein when the EC/PH value, the dissolved oxygen content and the temperature in the soil or the cultivation substrate are lower than the required values for crop growth, the fertilizer distributor, the aeration device or the heating device is started.
    The advantages of the present invention are as follows.
    The drip irrigation system for integrated application of water, fertilizer, gas and heat in the greenhouse of the present invention has the following advantages.
    -6- (1) The present invention has the functions of heating and cooling, realizes the regulation and control of water temperature for irrigation, and can obtain better and more precise water temperature for irrigation.
    (2) The present invention realizes the sufficient, stable and efficient transmission of bubbles during aeration irrigation. The micro-nano bubbles can further increase the dissolved oxygen content in the water, is not easy to be lost, and is more conducive to transmission.
    (3) The present invention realizes the precise transportation of fertilizer, which overcomes the problems such as uneven application of fertilizer.
    (4) The present invention realizes the intelligent and precise control of the drip irrigation system in the process of integrated application of water, fertilizer, gas and heat, which is more humanized, time-saving and labor-saving.
    Brief description of the drawings In order to more clearly illustrate the technical solution in the embodiments of the present invention or the prior art, the drawings that need to be used in the description of the embodiments or the prior art are briefly described. Obviously, the drawings described below are only some embodiments of the present invention, and for those having ordinary skill in the art, other drawings can be obtained according to these drawings without creative effort.
    FIG. 1 is a block diagram of the structure of the present invention; FIG. 2 is a schematic diagram of the structure of the present invention; FIG. 3 is a schematic diagram of the structure of the power device of the present invention; FIG. 4 is a schematic diagram of the installation of a cultivation substrate sensor of the present invention; and FIG. 5 is a block diagram of the structure of the intelligent control system of the present invention.
    In the figures: 1. micro-nano bubble generating device, 2. water level gauge, 3. water tank, 4. solar water heater, 5. water heating tank, 6. water mixing tank, 7. water cooling tank, 8. centrifugal water pump, 9. filtering device, 10. safety valve, 11. mixing cavity,
    12. self-priming pump, 13. fertilizer bucket, 14. EC/PH monitoring device, 15. solenoid
    -7- valve, 16. water transmission and distribution pipeline, 17. irrigation capillary, 18. photovoltaic film assembly, 19. main power storage module, 20. power deficit warning device, 21. standby power storage module, 22. main module-standby module automatic switching device, 23. soil or cultivation substrate, 24. cultivation substrate sensor.
    Detailed description of the embodiments The technical solution in the embodiments of the present invention will be described clearly and completely hereinatter on conjunction with the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only part of the embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those having ordinary skill in art without creative effort fall shall within the scope of protection of the present invention.
    Embodiment 1 An intelligent and precise drip irrigation system for integrated application of water, fertilizer, gas and heat in a greenhouse includes a power device, a drip irrigation head device, a water temperature control device, an intelligent fertilizer distributor, an aeration device, a drip irrigation pipe network and an intelligent control system.
    The power device provides power for each device of the drip irrigation system, and the power device includes the main power storage module 19 and the standby power storage module 21. The main power storage module 19 is charged by the photovoltaic film assembly 18, and the photovoltaic film assembly 18 is installed on the greenhouse. The standby power storage module 21 employs a rechargeable storage battery. The power device includes the power deficit warning device 20 and the main module- standby module automatic switching device 22, which are used to monitor the power supply of the system and switch the modules in time.
    The drip irrigation head device includes the water tank 3, the centrifugal water pump 8 and the filtering device 9. The water tank 3 provides water for the drip irrigation system and is placed in the corner of the greenhouse. The centrifugal water pump 8, the filtering
    -8- device 9 and the safety valve 10 are successively arranged along the outside of the water tank 3. The water tank 3 employs a square stainless steel water tank, and the water level gauge 21s installed on the stainless steel water tank. The water level gauge 2 is connected to the intelligent control system, which is used for monitoring the water level in the water tank to replenish water to the water tank in time. The filtering device 9 employs a filter with backwashing, and is mainly configured to filter impurities in the irrigation water. The filtering device 9 is connected to the intelligent control system. The water temperature control device is arranged next to the water tank 3 and is connected to the water tank 3 to provide the water tank 3 with water whose the temperature meets the requirement of the drip irrigation system. The water temperature control device includes the water heating tank 5, the water cooling tank 7 and the water mixing tank 6. The water mixing tank 6 is respectively connected to the water heating tank 5 and the water cooling tank 7 through a pipe. The water heating tank 5, the water cooling tank 7 and the water mixing tank 6 are provided with a water temperature monitoring mechanism, respectively. The water temperature control mechanism is mainly configured to control the temperature of the water in the water tank, and generally includes a heating device (a electric heating device, a heat exchanger, etc.), a cooling device and a temperature sensor. The water temperature monitoring mechanism is the conventional parts in the art, which is no longer described in detail.
    The water heating tank 5 includes the solar water heater 4, and a heater arranged in the water heating tank 5. The water cooling tank 7 includes a cooling device arranged in the water cooling tank 7. The solar water heater 4, the heater and the cooling device are connected to the intelligent control system, respectively.
    A mixing device is arranged in the water mixing tank 6. The mixing device is configured to evenly mix the water in the water mixing tank 6, and the mixing device generally
    -9- includes a motor, a mixing shaft and a blade and so on. The mixing device is connected to the intelligent control system. The intelligent fertilizer distributor is connected at the outlet pipe of the drip irrigation head device, and the intelligent fertilizer distributor includes a plurality of fertilizer buckets 13, the connecting pipe, the self-priming pump 12 and the mixing cavity 11. The solenoid valve 15 is installed on the connecting pipe. An electronic control opening and closing device is arranged on the self-priming pump 12. The EC/PH monitoring device 14 1s installed on the outlet pipe of the drip irrigation head device.
    The aeration device is the micro-nano bubble generating device 1. The drip irrigation pipe network includes the water transmission and distribution pipeline 16 and the irrigation capillary 17.
    The water transmission and distribution pipeline 16 is buried under the greenhouse. A quick-connect adapter valve is provided at the water transmission and distribution pipeline 16 extending out of the ground, which is convenient to connect the pipeline on the ground. The solenoid valve 15 is arranged on the water transmission and distribution pipeline 16. The solenoid valve 15 is opened and closed by the intelligent control system to supply water, fertilizer, gas and heat to the irrigation capillary 17. The irrigation capillary 17 is buried under a mulching film, in soil or in the cultivation substrate 23.
    The intelligent control system includes a monitoring device, a controller, a mobile terminal and an executive device. The monitoring device includes the cultivation substrate sensor 24 and the device sensor. The cultivation substrate sensor 24 includes a moisture sensor, a temperature sensor, an EC sensor and a dissolved oxygen content sensor, and is placed in the soil or the cultivation substrate 23. The device sensor is arranged on the power device, the drip irrigation head device, the water temperature control device, the intelligent fertilizer distributor and the aeration device. The executive device controls the start and stop of each device in the drip irrigation system.
    -10- The executive device includes the power deficit warning device 20, the main module- standby module automatic switching device 22, the centrifugal water pump 8, the filtering device 9, the solar water heater 4, the heater, the cooling device, the mixing device, the self-priming pump 12, the solenoid valve 15, the micro-nano bubble generating device 1. The controller is mainly configured to collect, receive and transmit a monitoring signal and an executive signal.
    The controller receives the monitoring signal and transmits the monitoring signal to the mobile terminal. The mobile terminal includes a mobile phone, a tablet computer, a computer and others.
    A decision software APP is arranged on the mobile terminal, and the decision software APP includes a built-in crop growth model. The decision software receives the signal transmitted from the controller, and the built-in crop growth model automatically calculates the relative suitable indexes of water, fertilizer, gas and heat according to different crop varieties, and transmit the calculation results to the controller. The controller sends instructions to each device of the executive device of the drip irrigation system to control the start and stop of each device in the drip irrigation system. Some devices in the present invention are not specifically described, and the specific structure thereof can refer to the Chinese patent CN 105613135B named as “intelligent integrated irrigation system of water, fertilizer, gas and heat in greenhouse”, which is no longer described herein. The present invention further provides an intelligent and precise drip irrigation method for integrated application of water, fertilizer, gas and heat in a greenhouse using the drip irrigation system of the present invention, which includes the following steps:
    -11- (1) The power device makes full use of the irrigation interval to perform photovoltaic charging. When the power deficit is monitored in the standby battery, the power device issues a prompt in time through the intelligent control system and charges the standby battery.
    (2) The intelligent control system is configured to perform the whole process monitoring, intelligent perception and precise control. When the water deficit is monitored, the decision software automatically generates a calculation result of the required water consumption, and the controller controls the drip irrigation head device to start working according to the calculation result. When the amount of irrigation is met, the irrigation is stopped automatically. During the irrigation, the intelligent control system monitors the operation of the relevant devices. When the filtering device needs to be flushed, the filtering device issues a prompt and flushes automatically.
    (3) The intelligent control system monitors the EC/PH value, dissolved oxygen content and temperature in the soil or the cultivation substrate 23. If those values are lower than the required values for crop growth, the fertilizer distributor, the aeration device or the heating device is started.
    The above embodiments are only preferred embodiments of the present invention and are not used to limit the present invention. Any modifications, equivalent replacements, improvements and the like made within the spirit and principles of the present invention shall fall within in the scope of protection of the present invention.
    权利要求:
    Claims (9)
    [1]
    1. Intelligent and accurate drip irrigation system for integrated application of water, manure, gas and heat in a greenhouse, which includes a power device, a drip irrigation head device, a water temperature control device, an intelligent fertilizer distributor, an aeration device, a drip irrigation pipe network and an intelligent control system; characterized in that the power device provides power to each device of the drip irrigation system; the drip irrigation head device comprises a water tank, a centrifugal water pump and a filter device; the water tank supplies water for the drip irrigation system and is placed in a corner of the greenhouse; the centrifugal water pump, the filter device and a safety valve are arranged sequentially along an outside of the water tank; the water temperature control device is arranged adjacent to the water tank, and the water temperature control device is connected to the water tank to supply the water tank with water, the temperature of the water satisfying a requirement of the drip irrigation system; the water temperature control device comprises a water heating tank, a water cooling tank and a water mixing tank; the water mixing tank is respectively connected to the water heating tank and the water cooling tank through a pipe, the water heating tank, the water cooling tank and the water mixing tank are respectively provided with a water temperature sensing mechanism; the intelligent manure distributor is connected to an outlet pipe of the drip irrigation head device, and the intelligent manure distributor comprises a plurality of manure skips, a connecting pipe, a self-priming pump and a mixing cavity; a solenoid valve is installed on the connecting pipe; there is an electronic opening and closing control device arranged on the self-priming pump; an EC/PH observation device is installed on the outlet pipe of the drip irrigation head device; the aerator is a micro nano bubble generating device; the drip irrigation pipe network comprises a water transport and distribution pipeline and an irrigation capillary;
    -13 - the intelligent control system comprises an observation device, a controller, a mobile terminal and an output device, the observation device comprises a cultivation substrate sensor and a device sensor, the cultivation substrate sensor comprises a humidity sensor, a temperature sensor, an EC sensor and a sensor for a dissolved oxygen content, and the cultivation substrate sensor is placed in soil or in a cultivation substrate; the device sensor is arranged on the power device, the drip irrigation head device, the water temperature control device, the intelligent fertilizer distributor and the aeration device; the output device controls the start and stop of each device in the drip irrigation system; the output device comprises a power shortage warning device, an automatic main module standby module switching device, a centrifugal water pump, the filtering device, a solar water heater, a heater, a cooling device, a mixing device, the self-priming pump, the solenoid valve, the micro nano bubble generating device; the controller is substantially configured to collect, receive and transmit an observation signal and an output signal; the controller receives the observation signal and transmits the observation signal to the mobile terminal; the mobile terminal comprises a mobile phone, a tablet computer and a computer; a decision software APP is arranged on the mobile terminal, and the decision software APP includes a built-in crop growth model; the decision software receives a signal transmitted from the controller, and the built-in crop growth model automatically calculates relative appropriate indices of water, fertilizer, gas and heat according to different crop varieties to obtain calculation results, and transmits the calculation results to the controller, and the controller commands to the output device, and the output device controls the starting and stopping of each device in the drip irrigation system.
    [2]
    An intelligent and accurate drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 1, with the
    -14 - characterized in that the power device comprises a main power storage module and a standby power storage module, the main power storage module is charged by means of a photovoltaic foil assembly, and the photovoltaic foil assembly is installed on the greenhouse; the standby power storage module is a rechargeable storage battery.
    [3]
    An intelligent and accurate drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 2, characterized in that the power device comprises the power shortage warning device and the automatic main module standby module switching device.
    [4]
    An intelligent and accurate drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 1, characterized in that the water tank uses a square stainless steel water tank; a water level meter is installed on the stainless steel water tank, and the water level meter is connected to the intelligent control system.
    [5]
    An intelligent and accurate drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 1, characterized in that the water heating tank comprises the solar water heating system, and the heating is arranged in the water heating tank; the water cooling tank comprises the water cooling device arranged in the water cooling tank.
    [6]
    An intelligent and accurate drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 1, characterized in that the mixing device is arranged in the water mixing tank.
    [7]
    An intelligent and accurate drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 1, characterized in that the water transport and distribution pipeline is buried under the greenhouse; a quick connection coupling valve is provided at the water transport and distribution pipeline protruding from the ground, and the quick connection adapter valve is configured to suitably connect a pipeline on the ground; the solenoid valve is arranged on the
    -15 - water transport and distribution pipeline; the solenoid valve is opened and closed through the intelligent control system to supply water, fertilizer, gas and heat to the irrigation capillary.
    [8]
    Intelligent and precise drip irrigation system for an integrated application of water, manure, gas and heat in the greenhouse according to claim 7, characterized in that the irrigation capillary is buried under a mulch film, in the earth or in the cultivation substrate.
    [9]
    An intelligent and accurate drip irrigation method for an integrated application of water, manure, gas and heat in a greenhouse using the drip irrigation system according to claim 1, comprising the steps of: (1) performing the photovoltaic charging on the power device during a irrigation interval, wherein when a power shortage is observed in a standby battery, the power device issues a request in time through the intelligent control system and charges the standby battery; (2) carrying out observation of the whole process, intelligent observation and precise control by the intelligent control system, where when a water shortage is observed, the decision software automatically generates a calculation result of a required water consumption, and the controller controls the drip irrigation head device to start to work according to the calculation result, when an amount of irrigation is met, the irrigation is automatically stopped; during the irrigation, the intelligent control system observes the operation of the relevant devices; when the filter device needs to be flushed, the filter device issues a request and flushes it automatically; and (3) observing an EC/PH value, a dissolved oxygen content and a temperature in the soil or the cultivation substrate by the intelligent control system, wherein the fertilizer distributor, the aerator or the heating device is started when the EC/ PH value, dissolved oxygen content and temperature in the soil or cultivation substrate are lower than the values required for crop growth.
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    同族专利:
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    IN144962B|1975-05-27|1978-08-05|John A Eastin|
    CN104719095A|2015-03-24|2015-06-24|国网吉林省电力有限公司电力科学研究院|Intelligent drip irrigation system based on solar photovoltaic power generation|
    CN105613135B|2016-02-26|2018-05-29|扬州大学|A kind of heating integrated Intelligent irrigation system of greenhouse liquid manure gas|
    CN106973757A|2017-02-27|2017-07-25|河海大学|A kind of Hills drought resisting collection rain and water-fertilizer integral drip irrigation system|
    CN106879438A|2017-04-21|2017-06-23|宁波大红鹰学院|The hot precision irrigation control all-in-one of liquid manure gas|
    CN107950330B|2017-11-13|2020-05-05|中国农业大学|Water-saving and efficient drop irrigation cultivation method for potatoes in cold regions|CN112913438A|2021-04-09|2021-06-08|江苏杜林生态景观集团有限公司|Afforestation maintenance drip irrigation structure|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    CN202010506009.5A|CN111670671A|2020-06-05|2020-06-05|Intelligent and accurate greenhouse water, fertilizer, gas and heat integrated application drip irrigation system|
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