CN213960766U - Automatic irrigation equipment of liquid manure integration and system - Google Patents

Automatic irrigation equipment of liquid manure integration and system Download PDF

Info

Publication number
CN213960766U
CN213960766U CN202022452799.1U CN202022452799U CN213960766U CN 213960766 U CN213960766 U CN 213960766U CN 202022452799 U CN202022452799 U CN 202022452799U CN 213960766 U CN213960766 U CN 213960766U
Authority
CN
China
Prior art keywords
automatic
water
full
pump
control cabinet
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
Application number
CN202022452799.1U
Other languages
Chinese (zh)
Inventor
齐松涛
孙雄飞
史超
张志�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiushu Nanjing Intelligent Agricultural Research Institute Co ltd
Original Assignee
Jiushu Nanjing Intelligent Agricultural Research Institute Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiushu Nanjing Intelligent Agricultural Research Institute Co ltd filed Critical Jiushu Nanjing Intelligent Agricultural Research Institute Co ltd
Priority to CN202022452799.1U priority Critical patent/CN213960766U/en
Application granted granted Critical
Publication of CN213960766U publication Critical patent/CN213960766U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Control Of Non-Positive-Displacement Pumps (AREA)

Abstract

The utility model discloses a liquid manure integration automatic irrigation device and system, which relates to the technical field of irrigation equipment, and comprises a control cabinet, a self-priming pump, a full-automatic gravel filter, a full-automatic laminated filter, a hydraulic drive net type filter and a water outlet pipe, wherein the water outlet end of the self-priming pump is sequentially connected with two groups of parallel full-automatic gravel filters, two groups of parallel full-automatic laminated filters and a group of hydraulic drive net type filters through pipelines, and the water outlet pipe of the hydraulic drive net type filter is connected with an irrigation main pipe; the utility model also provides a system of automatic irrigation equipment of liquid manure integration, the utility model discloses carry out integration system integration with technologies such as modern electrical control, process automation are observed and controled, measurement, intelligent electrical protection, video process are kept watch on, water conservancy thing networking and pump unit, make it become the integrative irrigation equipment of full-intelligent liquid manure, can be directed against the accurate liquid manure irrigation of different crop demand customization in different periods, can save water again and economize artificial full function automatic irrigation.

Description

Automatic irrigation equipment of liquid manure integration and system
Technical Field
The utility model belongs to the technical field of irrigation equipment, concretely relates to automatic irrigation equipment of liquid manure integration and system.
Background
With the development of agriculture in the direction of scale, refinement and automation, the crops planted on the novel farm or plantation have a diversified trend, multiple crops exist in the same plantation, and different crops have different requirements on irrigation. The planting area is large, the irrigation work intensity is large, the requirements on water and fertilizer are strict, and the accurate irrigation requirement is met. As the number of agricultural manpower in rural areas is reduced year by year and the labor cost is greatly increased, the requirement on the automation of agricultural water and fertilizer is higher and higher.
The traditional agricultural or modern farm with low automation degree basically realizes the irrigation of crops by manually combining the spraying, drip irrigation and fertilization equipment and elements. All links of the mode need manual operation, and the requirements on water and fertilizer are different in different periods of different crops, so that the requirements on workers are higher, and the working strength is high. However, for farms and large-scale plantations with high requirements on the degree of modernization, particularly for occasions where planted crops have very strict requirements on water and fertilizer and must be accurately irrigated, accurate water and fertilizer irrigation programs can be customized according to different requirements of different crops in different periods, and water and labor can be saved for full-function automatic irrigation.
Aiming at the problem that the unattended operation is realized by customizing an accurate irrigation program according to different crop requirements, a water and fertilizer integrated automatic irrigation device and a system are provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an automatic irrigation equipment of liquid manure integration and system can be directed against the accurate liquid manure of different crop demand customization in different periods and irrigate, again can the water-saving economize artifical full function automatic irrigation.
The utility model provides a following technical scheme: a water and fertilizer integrated automatic irrigation device comprises a control cabinet, a self-sucking pump, a full-automatic sand and stone filter, a full-automatic laminated filter, a hydraulic drive net filter and a water outlet pipe, wherein the water outlet end of the self-sucking pump is sequentially connected with two groups of parallel full-automatic sand and stone filters, two groups of parallel full-automatic laminated filters and one group of hydraulic drive net filter through pipelines, and the water outlet pipe of the hydraulic drive net filter is connected to an irrigation main pipe;
a pipeline of the self-priming pump, which is positioned at the water outlet end, is connected with a water return pipe through a first electromagnetic valve of a three-way structure, and one side of the water return pipe is connected with a first pressure gauge;
the water inlet end of the full-automatic gravel filter is connected to a sewage pipe for sewage discharge through a second electromagnetic valve of a three-way structure, a first automatic proportional pump for sucking liquid fertilizer in a constant proportion is arranged on a pipeline at the side part of the second electromagnetic valve, and a second pressure gauge is arranged on a pipeline at the water outlet end of the full-automatic gravel filter;
the water inlet end of the full-automatic laminated filter is connected to a sewage pipe for sewage discharge through a third electromagnetic valve of a three-way structure, a second automatic proportional pump for sucking liquid fertilizer in a constant proportion is arranged on a pipeline at the side part of the third electromagnetic valve, and a third pressure gauge is arranged on a pipeline at the water outlet end of the full-automatic laminated filter;
and the water outlet pipe is also provided with an intelligent water meter and an intelligent flow meter.
The utility model also provides a system of automatic irrigation equipment of liquid manure integration, the system includes the switch board, link to each other with switch board data control output self priming pump, first solenoid valve, second solenoid valve and third solenoid valve, first manometer, second manometer, third manometer, intelligent water gauge and the intelligent flow meter that links to each other with switch board data control input, the system by the switch board power supply.
Compared with the prior art, the automatic irrigation equipment of liquid manure integration and system that this technical scheme provided, beneficial effect lies in: on the one hand, carry out integration system integration with technologies such as modern electrical control, process automation is observed and controled, the measurement, intelligent electrical protection, video process is kept watch on, water conservancy thing networking and pump unit, make it to become the integrative irrigation equipment of full-intelligent liquid manure, on the other hand, the system can acquire pump station electrical equipment in real time, metering device's dynamic data information and video information, can carry out intelligent data statistics analysis and carry out remote monitoring to the pump station, can customize accurate liquid manure to different crops demand in different periods and irrigate, again can the artifical full function automated irrigation of water-saving province.
Further, the system further comprises a humidity sensor and a temperature sensor which are arranged in the pump room, and the humidity sensor and the temperature sensor are connected to the data control input end of the control cabinet. The humidity sensor and the temperature sensor are used for detecting temperature and humidity data in the pump room.
Furthermore, the system also comprises a voltage detection module, a current detection module and an electric quantity detection module which are arranged in the control cabinet, wherein the voltage detection module, the current detection module and the electric quantity detection module are connected to the data control input end of the control cabinet. The voltage detection module, the current detection module and the electric quantity detection module are used for detecting the working state of the control cabinet.
Furthermore, the system also comprises a pressure sensor, an instantaneous flow sensor, a water quantity sensor and a reservoir water level sensor which are used for detecting the work of the self-priming pump. The pressure sensor, the instantaneous flow sensor, the water quantity sensor and the reservoir water level sensor are connected to a data control input end of the control cabinet. The pressure sensor, the instantaneous flow sensor, the water quantity sensor and the water level sensor of the water storage tank are used for detecting the working state of the self-priming pump.
Further, the system also comprises a sewage pool water level sensor used for detecting the water level in the pump room, a sewage pump is arranged in the sewage pool, the sewage pool water level sensor is connected to the data control input end of the control cabinet, and the sewage pump is connected to the control output end of the control cabinet. The sewage pool water level sensor is used for detecting the liquid level in the sewage pool.
Furthermore, the output end of the control cabinet is connected with a display for human-computer interaction through a data line, and the display is a touch display screen.
Furthermore, a wireless communication module which is remotely controlled by the control terminal is also arranged in the control cabinet.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a block diagram of the system of the present invention;
labeled as: the system comprises a control cabinet 1, a self-priming pump 2, a full-automatic sand filter 3, a full-automatic laminated filter 4, a hydraulic drive net filter 5, a water outlet pipe 6, a first automatic proportioning pump 7, a second automatic proportioning pump 8, an intelligent water meter 9, an intelligent flow meter 10, a first electromagnetic valve 11, a first pressure gauge 12, a second pressure gauge 13, a second electromagnetic valve 14, a third electromagnetic valve 15, a third pressure gauge 16, a water return pipe 17 and a sewage pipe 18.
Detailed Description
The present invention will be further described with reference to the following specific examples. These examples are provided only for illustrating the present invention and are not intended to limit the scope of the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The structural features of the present invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-3, a liquid manure integration automatic irrigation equipment, includes switch board 1, self priming pump 2, full-automatic gravel filter 3, full-automatic lamination filter 4, water drive net filter 5, outlet pipe 6, and self priming pump 2 goes out the water end and connects gradually two sets of full-automatic gravel filters 3 of parallel, two sets of full-automatic lamination filter 4 of parallel and a set of water drive net filter 5 through the pipeline, and the outlet pipe 6 of water drive net filter 5 inserts the irrigation person in charge.
The pipeline that self priming pump 2 is located the water outlet end is connected with wet return 17 through three way construction's first solenoid valve 11, and one side of wet return 17 is connected with first manometer 12, and self-cleaning of self priming pump 2 is controlled to first solenoid valve 11.
The water inlet end of the full-automatic gravel filter 3 is connected to a sewage pipe 18 for sewage discharge through a second electromagnetic valve 14 of a three-way structure, a first automatic proportional pump 7 for sucking liquid fertilizer in a constant proportion is arranged on a pipeline at the side part of the second electromagnetic valve 14, and a second pressure gauge 13 is arranged on a pipeline at the water outlet end of the full-automatic gravel filter 3; the full-automatic sand and stone filter 3 automatically starts back washing in various modes of time and pressure difference, runs in a full-automatic mode, and adopts a double-tank structure to perform back washing in sequence without interrupting pipeline water supply during back washing.
The water inlet end of the full-automatic laminated filter 4 is connected to a sewage pipe 18 for sewage discharge through a third electromagnetic valve 15 of a three-way structure, a second automatic proportional pump 8 for sucking liquid fertilizer in a constant proportion is arranged on a side pipeline of the third electromagnetic valve 15, and a third pressure gauge 16 is arranged on a pipeline at the water outlet end of the full-automatic laminated filter 4; the full-automatic laminated filter 4 adopts the same backwashing method as the full-automatic sand filter 3, adopts various modes of time and pressure difference to automatically start flushing and fully automatically operate, and adopts a double-tank structure to sequentially flush without interrupting pipeline water supply during backwashing.
The water outlet pipe 6 is also provided with an intelligent water meter 9 and an intelligent flow meter 10, and the intelligent water meter 9 and the intelligent flow meter 10 are used for detecting the irrigation water quantity and flow of the water pipe 6.
The utility model also provides a system of automatic irrigation equipment of liquid manure integration, the system includes switch board 1, the self priming pump 2 that links to each other with 1 data control output of switch board, first solenoid valve 11, second solenoid valve 14 and third solenoid valve 15, the first manometer 12, second manometer 13, third manometer 16, intelligent water gauge 9 and the intelligent flowmeter 10 that links to each other with 1 data control input of switch board, the system is supplied power by 1 switch board.
The system is still including setting up humidity transducer and the temperature sensor in the pump house, and humidity transducer and temperature sensor are connected to the data control input of switch board 1, and humidity transducer and temperature sensor are used for detecting the temperature and the humidity data in the pump house.
The system further comprises a voltage detection module, a current detection module and an electric quantity detection module which are arranged in the control cabinet 1, wherein the voltage detection module, the current detection module and the electric quantity detection module are connected to the data control input end of the control cabinet 1. The voltage detection module, the current detection module and the electric quantity detection module are used for detecting the working state of the control cabinet.
The system also comprises a pressure sensor, an instantaneous flow sensor, a water quantity sensor and a reservoir water level sensor which are used for detecting the work of the self-priming pump 2, wherein the pressure sensor, the instantaneous flow sensor, the water quantity sensor and the reservoir water level sensor are connected to the data control input end of the control cabinet 1. The pressure sensor, the instantaneous flow sensor, the water quantity sensor and the water level sensor of the water storage tank are used for detecting the working state of the self-priming pump.
The system further comprises a sewage pool water level sensor used for detecting the water level in the pump room, a sewage pump is arranged in the sewage pool, the sewage pool water level sensor is connected to the data control input end of the control cabinet 1, and the sewage pump is connected to the control data output end of the control cabinet 1. The sewage pool water level sensor is used for detecting the liquid level in the sewage pool.
The control cabinet 1 is a constant-voltage variable-frequency control cabinet, a display for human-computer interaction is further arranged on the control cabinet 1, and the display is a touch display screen.
Still be equipped with the wireless communication module who carries out remote control with control terminal in the switch board 1, wireless communication module adopts 4G or 5G technical module, and control terminal can be smart mobile phone, panel or PC terminal.
The system can acquire dynamic data information and video information of electrical equipment and a metering instrument of a pump station in real time, can perform intelligent data statistical analysis and can perform remote monitoring on the pump station.
Monitoring environmental parameters such as temperature and humidity of the water supply pump room;
monitoring power supply states such as power supply voltage, power supply current and electric quantity of the water supply pump room;
monitoring the working pressure, the instantaneous flow, the working water quantity and the water level of the water storage tank of the self-priming pump 2;
and monitoring the water level of the sewage storage tank in the pump room, and controlling the sewage pump to discharge water according to the water level.
The utility model discloses an automatic irrigation equipment of liquid manure integration and system, on the one hand, with modern electrical control, process automation is observed and controled, the measurement, intelligent electrical protection, video process monitors, technologies such as water conservancy thing networking carry out integration system integration with the pump unit, make it to become the integrative irrigation equipment of full intelligent liquid manure, on the other hand, the system can acquire pump station electrical equipment in real time, metering device's dynamic data information and video information, can carry out intelligent data statistics analysis and carry out remote monitoring to the pump station, can be directed against the accurate liquid manure of different crops demand customization in different periods and irrigate, again can the water-saving economize artifical full function automated irrigation.
Specifically, when the water supply system is used, the control cabinet 1 can realize constant water pressure of a pipeline, has convenience of opening a valve in a planting area at any time, realizes constant-pressure water supply according to needs, and reduces the operation energy consumption of the system to the maximum extent; the frequency conversion cabinet is provided with an automatic control system for the processes of touch screen control, water supply metering, instantaneous flow rate monitoring, low water level protection and the like.
The hydraulic drive screen filter 5 is a self-driven hydraulic filter, and can suck out impurities by using the physical characteristic of water pressure. Raw water enters from an inlet end, is coarsely filtered through a coarse filter screen, enters a fine filter screen and flows out from an outlet end, after working for a period of time, impurities in the fine filter screen are increased, the pressure difference of the inlet end and the outlet end is increased, when the pressure difference reaches a certain set limit, pressure difference sensors arranged in a second pressure gauge 13 and a third pressure gauge 16 send signals, an electronic controller in a control cabinet 1 controls a third electromagnetic valve 15 to switch a water path, a hydraulic piston pushes a suction cylinder to perform reciprocating cleaning, meanwhile, a hydraulic motor is driven to rotate under the action of water flow to drive the suction cylinder to perform spiral motion, the cleaned impurities are discharged by a drain valve until the pressure difference is reduced to be within a set value, and three controls of pressure difference, time and manual operation can be realized.
The first automatic proportional pump 7 and the second automatic proportional pump 8 are powered by flowing pressure water, the water pressure loss is low, and any other power setting is not needed. A hydrodynamic engine within the automatic proportioning pump drives the proportioning pump, which can draw liquid fertilizer directly into and dissolve in the water stream at a constant rate at varying water pressures and flow rates. The electromagnetic valve can control the fertilization switch through a preset program.
The system realizes real-time data display, geographic information graph display, data statistics storage and analysis, report generation and printing, and solves the following problems of dispersed irrigation pump rooms, inconvenient management, traditional use mode, manual field operation, low efficiency, untimely maintenance, frequent failure, and water waste caused by unordered water taking.
The system can flexibly set a data acquisition period, a shorter acquisition period (for example: 10 seconds) is designed for monitoring information which changes frequently and is important, particularly information related to remote control, and a longer acquisition period (for example: 5 minutes) is set for monitoring information which changes slowly and is less important. Therefore, the requirement of the system on data acquisition is met, and the wireless transmission data flow is saved or the requirement on wired bandwidth is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A water and fertilizer integrated automatic irrigation device is characterized by comprising a control cabinet (1), a self-sucking pump (2), a full-automatic sand and stone filter (3), a full-automatic laminated filter (4), a hydraulic drive net filter (5) and a water outlet pipe (6), wherein the water outlet end of the self-sucking pump (2) is sequentially connected with two groups of parallel full-automatic sand and stone filters (3), two groups of parallel full-automatic laminated filters (4) and one group of hydraulic drive net filter (5) through pipelines, and the water outlet pipe (6) of the hydraulic drive net filter (5) is connected to an irrigation main pipe;
a pipeline of the self-sucking pump (2) at the water outlet end is connected with a water return pipe (17) through a first electromagnetic valve (11) of a three-way structure, and one side of the water return pipe (17) is connected with a first pressure gauge (12);
the water inlet end of the full-automatic gravel filter (3) is connected to a sewage pipe (18) for sewage discharge through a second electromagnetic valve (14) of a three-way structure, a first automatic proportional pump (7) for sucking liquid fertilizer in a constant proportion is arranged on a side pipeline of the second electromagnetic valve (14), and a second pressure gauge (13) is arranged on a pipeline at the water outlet end of the full-automatic gravel filter (3);
the water inlet end of the full-automatic laminated filter (4) is connected to a sewage pipe (18) for sewage discharge through a third electromagnetic valve (15) of a three-way structure, a second automatic proportional pump (8) for sucking liquid fertilizer in a constant proportion is arranged on a side pipeline of the third electromagnetic valve (15), and a third pressure gauge (16) is arranged on a pipeline at the water outlet end of the full-automatic laminated filter (4);
and the water outlet pipe (6) is also provided with an intelligent water meter (9) and an intelligent flow meter (10).
2. A system of a water and fertilizer integrated automatic irrigation device according to claim 1, characterized by comprising the control cabinet (1), the self-priming pump (2), the first electromagnetic valve (11), the second electromagnetic valve (14) and the third electromagnetic valve (15) which are connected with a data control output end of the control cabinet (1), a first pressure gauge (12), a second pressure gauge (13), a third pressure gauge (16), an intelligent water meter (9) and an intelligent flow meter (10) which are connected with a data control input end of the control cabinet (1), wherein the system is powered by the control cabinet (1).
3. A system of automatic irrigation equipment of liquid manure integration according to claim 2, characterized in that, the system also includes humidity transducer and temperature sensor that set up in the pump house, humidity transducer and temperature sensor are connected to the data control input of switch board (1).
4. The system of the automatic irrigation device of a liquid manure integration of claim 2, characterized in that, the system also includes voltage detection module, current detection module, electric quantity detection module that set up in switch board (1), voltage detection module, current detection module, electric quantity detection module are connected to the data control input of switch board (1).
5. The system of the integrated automatic irrigation device for liquid manure according to claim 2, characterized in that the system further comprises a pressure sensor, an instantaneous flow sensor, a water quantity sensor and a reservoir level sensor for detecting the operation of the self-priming pump (2), and the pressure sensor, the instantaneous flow sensor, the water quantity sensor and the reservoir level sensor are connected to a data control input end of the control cabinet (1).
6. The system of claim 2, further comprising a sewage level sensor for detecting the sewage level in the pump room, wherein a sewage pump is arranged in the sewage tank, the sewage level sensor is connected to the data control input end of the control cabinet (1), and the sewage pump is connected to the control data output end of the control cabinet (1).
7. The system of the integrated automatic water and fertilizer irrigation device as claimed in claim 2, wherein the control cabinet (1) is a constant-pressure variable-frequency control cabinet, a display for human-computer interaction is further arranged on the control cabinet (1), and the display is a touch display screen.
8. A system of automatic irrigation equipment of integration of liquid manure according to any one of claims 2-7 characterized in that, still be equipped with the wireless communication module with control terminal remote control in the switch board (1).
CN202022452799.1U 2020-10-29 2020-10-29 Automatic irrigation equipment of liquid manure integration and system Active CN213960766U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022452799.1U CN213960766U (en) 2020-10-29 2020-10-29 Automatic irrigation equipment of liquid manure integration and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022452799.1U CN213960766U (en) 2020-10-29 2020-10-29 Automatic irrigation equipment of liquid manure integration and system

Publications (1)

Publication Number Publication Date
CN213960766U true CN213960766U (en) 2021-08-17

Family

ID=77259426

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022452799.1U Active CN213960766U (en) 2020-10-29 2020-10-29 Automatic irrigation equipment of liquid manure integration and system

Country Status (1)

Country Link
CN (1) CN213960766U (en)

Similar Documents

Publication Publication Date Title
CN102301942B (en) Water-fertilizer integrated drop irrigation automatic control device used in orchard and control method thereof
CN108076771A (en) A kind of facility water-fertilizer integrated intelligent irrigation equipment and control method
CN203896933U (en) Intelligent monitoring system for collecting, treating and recycling rain water
CN212032280U (en) Intelligent motor-pumped well controller
GB2612189A (en) Integrated smart irrigation management control system for water, fertilizer, gas, pesticide and heat, and irrigation method
CN108990765A (en) A kind of drip irrigation appliance of greenhouse gardening
CN112166785A (en) Automatic irrigation equipment of liquid manure integration and system
CN103392439B (en) Solid/liquid fertilizer converter
CN213960766U (en) Automatic irrigation equipment of liquid manure integration and system
CN201004881Y (en) Intelligent charging type automatic irrigation device
CN207070618U (en) Automatic irrigation fertilization system
CN211721372U (en) Automatic accurate irrigation and fertilization device capable of realizing feedback control
CN206611933U (en) Field Intelligent irrigation system
CN108094142A (en) A kind of band remote control type automatic irrigation unit
CN111802045A (en) Intelligent liquid manure control system based on plant physiological and ecological information
CN116369026A (en) Water and fertilizer integrated regulation and control intelligent irrigation system
CN208875024U (en) A kind of coungting housely formula pool water-saving irrigation system
CN207869710U (en) A kind of facility water-fertilizer integrated intelligent irrigation equipment
CN112806142A (en) Automatic irrigation system of liquid manure integration
CN205408861U (en) Long -range constant voltage irrigation system of greenhouse vegetable
CN211152749U (en) Water and fertilizer integrated irrigation system
CN210671580U (en) Intelligent environment-friendly drip irrigation control system for wall greening maintenance
CN206791259U (en) A kind of intelligent irrigation Internet of Things TT&C system
CN204948968U (en) Agricultural automatic irrigation equipment
CN210406486U (en) Small-size liquid manure integration intelligent monitoring is equipped

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant