CN105230448A - Automatic irrigation system head device - Google Patents

Automatic irrigation system head device Download PDF

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Publication number
CN105230448A
CN105230448A CN201510561557.7A CN201510561557A CN105230448A CN 105230448 A CN105230448 A CN 105230448A CN 201510561557 A CN201510561557 A CN 201510561557A CN 105230448 A CN105230448 A CN 105230448A
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CN
China
Prior art keywords
water
irrigation
water pump
magnetic valve
automatic
Prior art date
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Pending
Application number
CN201510561557.7A
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Chinese (zh)
Inventor
包庆山
刘生福
蔡生吉
王海宴
牟克田
康金福
李红春
刘振兴
刘宏源
敬彦才
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Qinghai Salt Lake Industry Co Ltd
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Qinghai Salt Lake Industry 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 Qinghai Salt Lake Industry Co Ltd filed Critical Qinghai Salt Lake Industry Co Ltd
Priority to CN201510561557.7A priority Critical patent/CN105230448A/en
Publication of CN105230448A publication Critical patent/CN105230448A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G25/00Watering gardens, fields, sports grounds or the like
    • A01G25/16Control of watering
    • A01G25/167Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors

Abstract

Provided is an automatic irrigation system head device. The water outlets of a water pump (1) are respectively connected with a water inlet of an overhead water tank (2) and an irrigation device used for watering through pipelines. A connecting pipeline is provided with a solenoid valve (XV-01) and a solenoid valve (XV-03). The water outlet of the overhead water tank (2) is connected with the irrigation device through a pipeline. The pipeline is provided with a solenoid valve (XV-02). A control system controls on-off of the water pump (1) and the solenoid valves according to detection values of a liquid level transmitter (LT-01). In an automatic mode, the solenoid valve (XV-02) is opened, water in the overhead water tank (2) flows to an irrigated area through the irrigation device, and according to the detection value of the liquid level transmitter (LT-01), through on-off of the solenoid valve (XV-01) and the water pump (1), water level in the overhead water tank (2) is maintained between an upper limiting value and a lower limiting value. In a high-pressure automatic mode, the water pump (1) and the solenoid valve (XV-03) are switched on, and water pumped by the water pump (1) directly irrigates the irrigated area through the irrigation device.

Description

Automatic irrigation system stem device
Technical field
The present invention relates to automatic irrigation system stem device.
Background technology
The drip irrigation in soil or pouring ensure soil moisture, improves important measures of crop yield.Usual employing water pump, artificial control water pump waters soil, solves the problem of Dry land.Waste in order to avoid water reaches water-saving object, has increase elevated tank in prior art, utilizes elevated tank to carry out the method for watering.Because the water level in elevated tank needs people for keeping an eye on, not only labour intensity is large, also easily occurs that water is filled it up with and overflows water tank and water tank and cut off the water supply and cause watering anhydrous phenomenon and occur, not only take time and effort but also waste water source.
China is the serious country of a drought and water shortage, and water resource of per capita only has 2300 cubic metres, is only 1/4 of world average level, is one of whole world country that water resource is the poorest per capita.Water resources ownership per capita 2300 cubic metres, only has 1/4 of world's per capita share, occupies the 109th, the world.Effective utilization of water resource, has great importance for China that water resource lacks.
The object of the invention is to, providing a kind of can carry out Precise control to the pouring of water, can control soil moisture preferably, again can using water wisely, prevents the automatic irrigation system stem device of water resource waste.
Summary of the invention
First technical scheme of the present invention is a kind of automatic irrigation system stem device, it is characterized in that, comprise water pump, water head tank, by-pass valve control, connecting line, instrumentation, control system, the delivery port of described water pump (1) by pipeline respectively with the water inlet of water head tank (2) and water with irrigation rig be connected, in connecting line, be respectively equipped with tank add solenoid valve for water (XV-01) and water pump irrigation magnetic valve (XV-03), the delivery port of described water head tank (2) is connected with irrigation rig by pipeline, tank irrigation magnetic valve (XV-02) is provided with in this connecting line, instrumentation comprises the fluid level transmitter (LT-01) detecting water head tank water level, described control system is according to the detected value of instrumentation, control the keying of described water pump (1) and described magnetic valve, control model comprises automatic mode and automatic high pressure pattern, when automatic mode, described control system opens tank irrigation magnetic valve (XV-02), the water in water head tank (2) is made to pass through described irrigation rig to irrigated area, and according to the detected value of fluid level transmitter (LT-01), the keying of solenoid valve for water (XV-01) and water pump (1) is added by controlling tank, the water level in water head tank (2) is made to remain between upper and lower bound value, when high pressure automatic mode, described control system starts water pump (1) and water pump irrigation magnetic valve (XV-03), the water outlet that water pump (1) is pumped directly irrigates irrigated area by described irrigation rig without elevated tank (2).
Second technical scheme is based on the first technical scheme, it is characterized in that, described instrumentation also comprises the humidity sensor (32) detecting Irrigated Area Soils humidity, described control system, according to the detected value of humidity sensor (32), controls the opening and closing of water pump (1) and described tank irrigation magnetic valve (XV-02) or water pump (1) and described water pump irrigation magnetic valve (XV-03).
3rd technical scheme is based on the second technical scheme, it is characterized in that, described instrumentation also comprises the rain sensor (33) detecting irrigated area and whether rain, described control system, according to the detected value of rain sensor (33), controls the opening and closing of water pump (1) and described tank irrigation magnetic valve (XV-02) or water pump (1) and described water pump irrigation magnetic valve (XV-03).
4th technical scheme is based on the 3rd technical scheme, it is characterized in that, filter (A, B) is provided with in the water outlet pipeline of described water pump (1), described instrumentation also comprises the pressure transmitter (PT-01, PT-02) being detected filter (A, B) two ends loine pressure, when detecting that pipeline pressure reduction is greater than setting value, starting and reporting to the police.
5th technical scheme, based on the 4th technical scheme, is characterized in that, the control model of described control system also comprises manual Irrigation, and when manual Irrigation, described control system, according to manual operation, controls water pump (1) and magnetic valve.
6th technical scheme, based on the 5th technical scheme, is characterized in that, described control system has human-computer interaction interface (11), carries out setting parameter and pattern switching by human-computer interaction interface (11).
7th technical scheme is based on the 6th technical scheme, it is characterized in that, described irrigation rig has many groups, irrigated area magnetic valve (XV-A1, XV-B1) is respectively equipped with in the pipeline of each group, described control system, by irrigated area magnetic valve (XV-A1, XV-B1), controls the water outlet of described irrigation rig.
8th technical scheme, based on the 7th technical scheme, is characterized in that, described instrumentation also comprises the many groups humidity sensor (32) detecting each Irrigated Area Soils humidity.
9th technical scheme, based on the 8th technical scheme, is characterized in that, described control system is made up of PLC (21), human-computer interaction interface (11), power module, I/O module, alarm lamp, binding post, alarm.
Tenth technical scheme, based on any one technical scheme in first to the 9th, is characterized in that, also comprises sled block, the CD-ROM drive motor of generator, band wheel.
Accompanying drawing explanation
Fig. 1 is the PID figure of automatic irrigation system stem device;
Fig. 2 is PLC control cabinet panel schematic diagram;
Fig. 3 is; The each input and output point allocation table of PLC
Fig. 4 is the johning knot composition of PLC and other devices;
Fig. 5 is the key diagram of control flow.
Embodiment
Below to be described the embodiment of automatic irrigation system stem device of the present invention.
Automatic irrigation system stem device of the present invention is made up of the sled block, CD-ROM drive motor etc. of PLC control system, electrical system, transportation water pump, filter, water head tank, instrumentation, by-pass valve control and connecting line, generator, band wheel.
Fig. 1 is the PID figure of automatic irrigation system stem device, water pump 1 is connected with the water inlet of water head tank 2 and the irrigation rig of outside respectively by pipeline DN40, filter A, B is provided with in the water outlet pipeline of water pump 1, be respectively equipped with tank in the water side of filter A, B and the pipeline of the water inlet of water head tank 2 and the irrigation rig of outside and add solenoid valve for water XV-01 and water pump irrigation magnetic valve XV-03, add solenoid valve for water XV-01 by tank and water pump irrigation magnetic valve XV-03 can add water for water head tank 2 or directly be watered to irrigated area by irrigation rig.Water pump 1 is connected by flexible pipe with between water source.The delivery port of water head tank 2 is connected with irrigation rig by pipeline, is provided with tank irrigation magnetic valve XV-02 in pipeline, and the water in water head tank 2 is watered to irrigated area by irrigation rig by tank irrigation magnetic valve XV-02.Namely, in the present invention, can be supplied water by water head tank 2 and also directly can not be supplied water to irrigated area by water pump 1 by water head tank 2.In the present embodiment, outside irrigation rig has two groups can irrigate A district and B district respectively.The porch of the irrigation rig of two groups is respectively equipped with irrigated area magnetic valve XV-A1, XV-B1, for controlling each irrigation rig.
Instrumentation comprises fluid level transmitter (LT-01) 31, humidity sensor 32, rain sensor 33, pressure transmitter (PT-01, PT-02) 34, humidity sensor 32 has two groups and arranges A district and B district respectively, pressure transmitter (PT-01, PT-02) 34 is detected the loine pressure at filter A, B two ends, and the detection signal of instrumentation is input to PLC control cabinet by data wire.
PLC control system is made up of PLC, human-computer interaction interface, power module, I/O module, alarm lamp, binding post, alarm etc., power supply is DC24V, PLC, power module, I/O module, alarm lamp, binding post, alarm are as a whole to be integrated in control cabinet, the human-computer interaction interface that control cabinet erecting of panel has LCD to show and various alarm lamp and alarm speaker.Fig. 2 is PLC control cabinet panel schematic diagram.PLC adopts Programmable Logic Controller (PLC) to form, and the distribution of input and output point as shown in Figure 3.
Fig. 4 is the johning knot composition of PLC and other devices, and real-time for the signal detected is transferred to PLC 21 by fluid level transmitter (LT-01) 31, humidity sensor 32, rain sensor 33, pressure transmitter (PT-01, PT-02) 34.Rain sensor 33 and humidity sensor 32 detect the moisture data that whether weather rains, humidity sensor 32 detects each irrigated area agricultural land soil in irrigated area respectively.PLC 21 pairs of data are analyzed, and control water pump 1 and each magnetic valve, water or output alarm to the soil in A district, B district.
Operation principle explanation
This automatic irrigation system stem device adopts the humidity condition of humidity sensor monitoring soil, after soil moisture is lower than set value, automatic open water pump motor and magnetic valve are filtered the moisturizing realized water head tank, then water head tank self-pressure is relied on to water to this soil, when after the value that humidity reaches required, stop watering.Less than normal and frequently open pump moisturizing and the long problem native system of irrigation time adopts various control pattern for meeting the water head tank outlet pressure when irrigate broad areas, the basis of automatic mode and manual mode increases automatic high pressure pattern, namely the water delivery of across-the-line starting water pump connects irrigation rig and irrigates irrigated area after filter, automatically stops irrigating when humidity reaches setting value.For saving water resource, native system is provided with the function that the rainy day stops irrigation automatically, and when irrigated area rainfall alarm outputs signal (rainy day), PLC terminates to irrigate automatically.Native system also has the functions such as pressure reduction warning before and after motor idle running protection, filter (representing that filter may block).
According to Fig. 5, the workflow that automatic irrigation system stem fills to be described below.
(1), automatic mode
When being set in automatic mode by human-computer interaction interface 11 selector switch, system enters automatic operation mode, now the humidity sensor 32 of two irrigation districts (A district, B district) by plant soil water fraction factually time pass to PLC 21, PLC 21 compares according to the humidity range of the signal of humidity sensor 32 with the applicable plant growth preset, and judging whether needs to irrigate.When detected value is lower than the lower limit arranged, PLC 21 controls the flicker of corresponding Irrigated Area Soils lack of water indicator lamp (redness) and performs automatic irrigation program simultaneously.
Automatic irrigation program is as follows:
First, judge that whether water head tank 2 liquid level is lower than 20%, fluid level transmitter (LT-01) 31 exports the 4-20mA analog signal corresponding with water level to PLC 21, PLC judge water level lower than 20% time, control loudspeaker 43 sounds the alarm and controls water pump 1 motor simultaneously and obtain electric, start water pump 1, open tank and add water with magnetic valve XV-01 automatic watering, liquid level higher than alarm release after 20%, until the motor power-off of water pump 1 when liquid level reaches setting value 90%, water pump 1 out of service, close tank and add solenoid valve for water XV-01 and automatically terminate to add water.
Then PLC 21 judges whether rain sensor 33 is the signal exporting the rainy day, if the rainy day then stops the whole irrigation procedure in each irrigation district; If not the rainy day then opens tank irrigation magnetic valve XV-02 and corresponding irrigated area magnetic valve XV-A1 or XV-B1, rely on water head tank self-pressure to irrigate, when water level lower than 20% time, PLC 21 repeats automatic watering process.When humidity sensor 32 detected value reaches capping value, PLC 21 controls the termination of pumping of water pump 1 motor dead electricity, closes tank irrigation magnetic valve XV-02, irrigated area magnetic valve XV-A1 or XV-B1, terminates to irrigate.
Humidity sensor 32 detected value is in time setting between humidity upper lower limit value, PLC 21 outputs signal soil moisture and is suitable for indicator lamp (green) flicker, when detected value exceedes capping value, the excessive indicator lamp of soil moisture (yellow) glimmers, and reaches the object of monitoring.
(2), automatic high pressure pattern
When irrigated area, area is larger, need high pressure to spray and consider that different plant water requirement is different or kindred plant different growing stages water requirement is different, when needing big yield to irrigate, on the lower side and the frequent starting moisturizing program of water head tank outlet pressure under automatic irrigation pattern, take time and effort, control switch can be selected automatic high pressure pattern for this reason.System enters automatic high pressure mode of operation, now the humidity sensor 32 of two irrigated areas (A district, B district) by plant soil water fraction factually time pass to PLC 21, PLC 21 compares according to the humidity range of the applicable plant growth of the signal of humidity sensor 32 and setting, and judging whether needs to irrigate.When detected value is lower than the lower limit arranged, PLC 21 controls the flicker of corresponding Irrigated Area Soils lack of water indicator lamp (redness) and performs automatic high pressure irrigation procedure simultaneously.
Automatic high pressure irrigation procedure is as follows:
First PLC 21 judges whether the signal of rain sensor 33 is the rainy day, if the rainy day then stops the whole irrigation procedure in each irrigation district, control loudspeaker sounds the alarm simultaneously; If not the rainy day then outputs signal and controls water pump 1 motor and obtain electric, start water pump 1, open high-pressure irrigation magnetic valve XV-03 and corresponding irrigated area magnetic valve XV-A1 or XV-B1 and water is delivered to corresponding irrigated area and irrigates.Control water pump 1 motor power-off termination of pumping when humidity sensor 32 detected value reaches capping value, close high-pressure irrigation magnetic valve XV-03, irrigated area magnetic valve XV-A1 or XV-B1, terminate to irrigate.When humidity sensor 32 detected value is between humidity set upper lower limit value, PLC 21 soil moisture control is suitable for indicator lamp (green) flicker, when detected value exceedes capping value, the excessive indicator lamp of soil moisture (yellow) glimmers, and reaches the object of monitoring.
(3), manual Irrigation
Under manual Irrigation, user can manually arrange the opening sequence of each magnetic valve and the start-stop time of water pump 1 and irrigated area etc. according to actual conditions, and PLC 21, according to different manually operated signals, controls water pump 1 and each magnetic valve.
In present embodiment, for preventing the impurity blocking pipeline, shower nozzle etc. in water quality, two water filter A and B parallel running is provided with as shown in Figure 1 in system, filter inlet and outlet pressure transmitter PT-01, PT-02 export 4-20mA analog signal to PLC, the output alarm prompting when PLC 21 detects that front and back pressure reduction reaches 0.3bar: filter differential pressure is high, filter differential pressure alarm lamp flicker simultaneously, prompting user filtering device may block, and needs cleaning.
For protection motor, prevent water pump 1 motor from dallying, when water pump 1 idle electric current being detected after controller startup water pump, PLC 21 stops water pump automatically, and this setting value sets according to the motor idle electric current value of actual purchase.
Water head tank liquid level lower limit is the initial value (namely 20%) of Operation system setting, generally can not arbitrarily adjust, when causing liquid level unpunctual, if cannot clear up in time, need to reset low liquid level, after cleaning out, still need to revert to initial value.
System upgrade after considering, the factors such as scrap build, reserved corresponding fastener passage in PLC control system, as subsequent use.PLC can also connect host computer by communication interface and carry out data transmission and procedure configuration amendment, also field irrigation corresponding data can be read, simultaneously can online printing related data, in order to inquiry, realize the scientific management of field irrigation, improve field irrigation technology.Because automatic irrigation system stem device of the present invention is with the sled block, CD-ROM drive motor etc. of generator, band wheel, can not only move, the place not having power supply can also be used for, can suit measures to local conditions to use flexibly, well save water resource and reduce irrigation cost.
Automatic irrigation system stem device of the present invention both can be irrigated each plot (irrigation district) by Non-follow control, also can be formed the Automatic Control of Closed control by humidity sensor and controller.Not only prevent from, because water head tank causes the capillary burette of the low irrigation rig of hydraulic pressure not go out water problem because of moisturizing not in time, can rainwater being utilized on rainy day, preventing water resource to be wasted.Larger for irrigated area area, need high pressure to spray and consider that different plant water requirement is different or kindred plant different growing stages water requirement is different, when needing big yield to irrigate, select by automatic high pressure pattern, directly supplied water by water pump 1, neither need to arrange the higher water head tank of water level, turn avoid the on the lower side and frequent starting moisturizing program of outlet pressure, reduce energy consumption.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, as long as within the spirit and principles in the present invention, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. an automatic irrigation system stem device, it is characterized in that, comprise water pump, water head tank, by-pass valve control, connecting line, instrumentation, control system, the delivery port of described water pump (1) by pipeline respectively with the water inlet of water head tank (2) and water with irrigation rig be connected, in connecting line, be respectively equipped with tank add solenoid valve for water (XV-01) and water pump irrigation magnetic valve (XV-03), the delivery port of described water head tank (2) is connected with irrigation rig by pipeline, tank irrigation magnetic valve (XV-02) is provided with in this connecting line, instrumentation comprises the fluid level transmitter (LT-01) detecting water head tank water level, described control system is according to the detected value of instrumentation, control the keying of described water pump (1) and described magnetic valve, control model comprises automatic mode and automatic high pressure pattern, when automatic mode, described control system opens tank irrigation magnetic valve (XV-02), the water in water head tank (2) is made to pass through described irrigation rig to irrigated area, and according to the detected value of fluid level transmitter (LT-01), the keying of solenoid valve for water (XV-01) and water pump (1) is added by controlling tank, the water level in water head tank (2) is made to remain between upper and lower bound value, when high pressure automatic mode, described control system starts water pump (1) and water pump irrigation magnetic valve (XV-03), the water outlet that water pump (1) is pumped directly irrigates irrigated area by described irrigation rig without elevated tank (2).
2. a kind of automatic irrigation system stem device according to claim 1, it is characterized in that, described instrumentation also comprises the humidity sensor (32) detecting Irrigated Area Soils humidity, described control system, according to the detected value of humidity sensor (32), controls the opening and closing of water pump (1) and described tank irrigation magnetic valve (XV-02) or water pump (1) and described water pump irrigation magnetic valve (XV-03).
3. a kind of automatic irrigation system stem device according to claim 2, it is characterized in that, described instrumentation also comprises the rain sensor (33) detecting irrigated area and whether rain, described control system, according to the detected value of rain sensor (33), controls the opening and closing of water pump (1) and described tank irrigation magnetic valve (XV-02) or water pump (1) and described water pump irrigation magnetic valve (XV-03).
4. a kind of automatic irrigation system stem device according to claim 3, it is characterized in that, filter (A, B) is provided with in the water outlet pipeline of described water pump (1), described instrumentation also comprises the pressure transmitter (PT-01, PT-02) being detected filter (A, B) two ends loine pressure, when detecting that pipeline pressure reduction is greater than setting value, starting and reporting to the police.
5. a kind of automatic irrigation system stem device according to claim 4, it is characterized in that, the control model of described control system volume also comprises manual Irrigation, when manual Irrigation, described control system, according to manual operation, controls water pump (1) and magnetic valve.
6. a kind of automatic irrigation system stem device according to claim 5, it is characterized in that, described control system has human-computer interaction interface (11), carries out setting parameter and pattern switching by human-computer interaction interface (11).
7. a kind of automatic irrigation system stem device according to claim 6, it is characterized in that, described irrigation rig has many groups, irrigated area magnetic valve (XV-A1, XV-B1) is respectively equipped with in the pipeline of each group, described control system, by irrigated area magnetic valve (XV-A1, XV-B1), controls the water outlet of described irrigation rig.
8. a kind of automatic irrigation system stem device according to claim 7, is characterized in that, described instrumentation also comprises the many groups humidity sensor (32) detecting each Irrigated Area Soils humidity.
9. a kind of automatic irrigation system stem device according to claim 8, it is characterized in that, described control system is made up of PLC (21), human-computer interaction interface (11), power module, I/O module, alarm lamp, binding post, alarm.
10. a kind of automatic irrigation system stem device recorded any one of claim 1 to 9, is characterized in that, also comprises sled block, the CD-ROM drive motor of generator, band wheel.
CN201510561557.7A 2015-09-01 2015-09-01 Automatic irrigation system head device Pending CN105230448A (en)

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Application Number Priority Date Filing Date Title
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CN109072100A (en) * 2016-05-16 2018-12-21 三菱日立电力系统株式会社 Clinker discharge system, gasification furnace and slag filtration method
CN110338046A (en) * 2018-04-02 2019-10-18 珠海科明智能科技有限公司 It is a kind of to utilize the rainwater automatic flower watering system collected
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CN115606482A (en) * 2022-11-08 2023-01-17 中国铁道科学研究院集团有限公司铁道建筑研究所 Irrigation maintenance system for railway roadbed slope and method thereof

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CN104542198A (en) * 2015-01-21 2015-04-29 内蒙古山路光伏应用技术研究有限公司 Automatic control method of photovoltaic irrigation
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Publication number Priority date Publication date Assignee Title
CN109072100A (en) * 2016-05-16 2018-12-21 三菱日立电力系统株式会社 Clinker discharge system, gasification furnace and slag filtration method
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US11109545B2 (en) * 2016-05-31 2021-09-07 Zhengzhou Hailite Agriculture And Forestry Science And Technology Co., Ltd. High-pressure water mist ecological cultivation system
CN108235926A (en) * 2016-12-26 2018-07-03 天津优爱创科技有限公司 A kind of plant regulatory system
CN110338046A (en) * 2018-04-02 2019-10-18 珠海科明智能科技有限公司 It is a kind of to utilize the rainwater automatic flower watering system collected
CN115606482A (en) * 2022-11-08 2023-01-17 中国铁道科学研究院集团有限公司铁道建筑研究所 Irrigation maintenance system for railway roadbed slope and method thereof

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Application publication date: 20160113