Intermittent river coastal vegetation irrigation device

Abstract

The invention discloses an intermittent river coastal vegetation irrigation device. The device comprises a soil humidity monitoring unit, a river water level monitoring unit, a river water source unit, an urban water source unit, a switching module, an irrigation module and a water storage unit, the soil humidity monitoring unit and the river water level monitoring unit respectively collect the vegetation soil humidity value and intermittent river water level data in real time, the water source module comprises a river water source unit and an urban water source unit, and a first electric control valve mechanism and a second electric control valve mechanism in the switching module can be utilized to form an interlocking switching structure; the switching module is controlled based on monitoring data to achieve automatic switching of two different water sources, surplus river water in the river inflow period can be stored through the third electric control valve mechanism and the water storage unit, rainfall and rainwater can also be stored, the urban water source allocation mode is effectively optimized, urban water supply consumption is remarkably reduced, and the economic benefit is improved. The method is suitable for popularization and application in fields such as farmland and greenbelt around intermittent rivers.

Description

An intermittent riverbank vegetation irrigation device Technical Field

[0001] This invention relates to the field of environmental engineering, and in particular to an intermittent irrigation device for riverside vegetation. Background Technology

[0002] Intermittent rivers are those that flow during certain periods of the year, but dry up and cease flowing during other periods due to factors such as insufficient rainfall, high evaporation, or strong infiltration. These rivers often have farmland and greenbelts along their banks, and the normal growth of this vegetation depends on timely irrigation. While relying solely on municipal tap water for irrigation can ensure vegetation growth under the premise of a stable tap water supply and proper management, using tap water for irrigation when the river has natural flow undoubtedly wastes urban water resources and creates a resource misallocation. Furthermore, due to the intermittent nature of river flow, irrigation of riparian vegetation cannot rely entirely on river water. If vegetation is in a critical period requiring irrigation but the river is dry, untimely irrigation can easily hinder vegetation growth. In addition, areas near intermittent rivers currently have complex and variable irrigation scenarios and lack supporting water storage facilities, making it impossible to effectively store and reuse river water, further exacerbating the water supply and demand imbalance.

[0003] Currently, while some automatic irrigation devices near intermittent rivers possess dual-source switching capabilities, they suffer from numerous technical shortcomings. Firstly, they lack a precise monitoring mechanism for intermittent river water levels, making it impossible to adaptively adjust the water supply mode based on dynamic river level changes. Furthermore, the dual-source switching structure lacks an interlocking design, easily leading to simultaneous operation of both water sources and potential problems such as water mixing and supply pressure conflicts. Secondly, most devices rely solely on soil moisture as the basis for determining irrigation needs, ignoring the fluctuating water levels of intermittent rivers and hindering optimal water allocation. Moreover, the lack of water storage devices prevents them from fully utilizing natural river water while simultaneously balancing the dual demands of vegetation irrigation and urban water conservation.

[0004] Therefore, there is an urgent need to develop an automatic irrigation device and method adapted to intermittent river areas. By adding a precision water storage module, improving the dual-water source precision switching mechanism, and optimizing the monitoring and control logic, intelligent regulation of water storage and supply can be achieved, taking into account both irrigation effectiveness and urban water conservation goals. Summary of the Invention

[0005] The purpose of this invention is to provide an intermittent riverbank vegetation irrigation device to solve the problems of existing automatic irrigation devices lacking a precise monitoring mechanism for intermittent river water levels, which easily leads to water mixing, pressure conflicts, low water utilization, and resource waste caused by the simultaneous operation of two water sources.

[0006] To address the aforementioned technical problems, the present invention provides an intermittent riverbank vegetation irrigation device. This device includes a soil moisture monitoring unit, a river water level monitoring unit, a river water source unit, an urban water source unit, a switching module, an irrigation module, and a water storage unit. The soil moisture monitoring unit is embedded in the root soil of the vegetation in the area to be irrigated, used to collect soil moisture values ​​in real time and determine whether a preset soil moisture threshold has been reached. The river water level monitoring unit is located at the intermittent river water intake point, used to collect river water level data in real time and determine whether a preset water intake threshold has been reached. The inlet of the river water source unit is located at the intermittent river water intake point and is used to collect water when the river water level reaches the set threshold. When the threshold is reached, river water is guided. The inlet of the urban water source unit is connected to the urban water supply network. The main outlet of the river water source unit is connected to the first inlet of the switching module. The outlet of the urban water source unit is connected to the second inlet of the switching module. The first and second inlets of the switching module can be opened selectively. The river water source or the stored water source can be switched to supply water to the irrigation module. The stored water source is the water stored in the water storage unit. The inlet of the water storage unit connects to the secondary outlet of the river water source unit and the outlet of the urban water source unit. The outlet of the water storage unit is connected to the third inlet of the switching module. The inlet of the irrigation module is connected to the outlet of the switching module and is used for spraying and irrigating the vegetation.

[0007] In some embodiments, the switching module includes a first electrically controlled valve mechanism, a second electrically controlled valve mechanism, a third electrically controlled valve mechanism, a main power supply, a switching module switch A, a switching module switch B, a switching module protection resistor A, and a switching module protection resistor B; the first electrically controlled valve mechanism is located at the first water inlet of the switching module and connected to the water outlet of the river water source unit; the switching module switch A and the switching module protection resistor A are connected in series with the first electrically controlled valve mechanism; the second electrically controlled valve mechanism is located at the second water inlet of the switching module and connected to the water outlet of the city water source unit; the switching module switch B and the switching module protection resistor A are connected in series with the first electrically controlled valve mechanism. The block protection resistor B is connected in series with the second electrically controlled valve mechanism; the third electrically controlled valve mechanism is located at the third water inlet of the switching module and connected to the water outlet of the water storage unit, used to control the start and stop of the water supply to the irrigation module by the water stored in the water storage unit; the main power supply is electrically connected to the river water level monitoring unit, the first electrically controlled valve mechanism, the second electrically controlled valve mechanism, the third electrically controlled valve mechanism, the fourth electrically controlled valve mechanism in the urban water source unit, and the water level monitoring mechanism of the water tank in the water storage unit; based on the preset soil moisture threshold and water intake threshold, the first electrically controlled valve mechanism or the second electrically controlled valve mechanism is selectively opened to supply water to the irrigation module. Among them, the preset soil moisture threshold (including upper and lower limits) and river water level intake threshold (lower limit) can be appropriately adjusted according to actual needs, and are not limited here.

[0008] In some embodiments, the first electrically controlled valve mechanism includes a first electrically controlled valve, a first transmission assembly, a first motor, a first insulating pressure rod, a first electrically controlled switch assembly A, a first electrically controlled switch assembly B, a first voltmeter assembly, and a first electromagnet. The first electrically controlled switch assembly A includes a first spring switch A and a first diode A connected in parallel. The first electrically controlled switch assembly B includes a first spring switch B and a first diode B connected in parallel. The first voltmeter assembly includes a first voltmeter dial, a first voltmeter pointer, a first voltmeter stop contact A, a first voltmeter stop contact B, a first voltmeter open contact A, and a first voltmeter open contact B. The first electrically controlled valve is used to control the opening or closing of the river water source unit supplying river water to the irrigation module. The first transmission assembly consists of a meshing first transmission rack and several gears. The shaft of one gear is connected to one end of the first electrically controlled valve, the shaft of the second gear is connected to the drive shaft of the first motor, and the third gear is located at one end of the first transmission rack and connected to the T-shaped longitudinal end of the first insulating pressure rod. The T-shaped transverse end of the first insulating pressure rod is located between the first spring switch A and the first spring switch B and is used to control the opening / closing of the first spring switch A or the first spring switch B. The other end of the first transmission rack is adjacent to the switching module switch B, and the pointer of the first voltmeter is rotatable. The first voltmeter stop contact A and the first voltmeter start contact A and the first voltmeter start contact B are arranged in pairs around the center of the dial of the first voltmeter. When the pointer of the first voltmeter is in the low voltage position, its two ends are in contact with the first voltmeter stop contact A and the first voltmeter start contact B respectively. When the pointer of the first voltmeter is in the high voltage position, its two ends are in contact with the first voltmeter start contact A and the first voltmeter start contact B respectively. The first electromagnet is located near the end of the pointer of the first voltmeter. The dial of the first voltmeter is connected in parallel with the soil moisture monitoring unit. The two ends of the pointer of the first voltmeter are respectively connected to the two poles of the main power supply. One end of the first spring switch A is connected to the first voltmeter open contact A and the first voltmeter stop contact B. The other end of the first spring switch A is connected to one end of the first motor. One end of the first spring switch B is connected to the other end of the first motor. The other end of the first spring switch B is connected to the first voltmeter stop contact A and the first voltmeter open contact B. The first electromagnet is connected to the river water level monitoring unit.

[0009] In some embodiments, the second electrically controlled valve mechanism includes a second electrically controlled valve, a second transmission group, a second motor, a second insulating pressure rod, a second electrically controlled switch assembly A, a second electrically controlled switch assembly B, a second voltmeter assembly, a second electromagnet, and a water storage spring switch. The second transmission group consists of a second transmission rack and several gears meshing with each other. The second electrically controlled switch assembly A includes a second spring switch A and a second diode A connected in parallel. The second electrically controlled switch assembly B includes a second spring switch B and a second diode B connected in parallel. The second voltmeter assembly includes a second voltmeter dial, a second voltmeter pointer, a second voltmeter stop contact A, a second voltmeter stop contact B, a second voltmeter open contact A, and a second voltmeter open contact B. The second electrically controlled valve is used to control the opening or closing of the water storage unit supplying river water to the irrigation module. The second transmission assembly consists of a meshing second transmission rack and several gears. The shaft of one gear is connected to one end of the second electrically controlled valve; the shaft of the second gear is connected to the drive shaft of the second motor; and the third gear is located at one end of the second transmission rack and connected to the T-shaped longitudinal end of the second insulating pressure rod. The T-shaped transverse end of the second insulating pressure rod is located between the second spring switch A and the second spring switch B and is used to control the opening / closing of either spring switch A or spring switch B. The other end of the second transmission rack is adjacent to the water storage spring switch. The pointer of the second voltmeter is rotatably positioned at the center of the second voltmeter dial. The second voltmeter stop contact A... The second voltmeter stop contact B and the second voltmeter open contact A and B are arranged in pairs around the center of the second voltmeter dial. When the second voltmeter pointer is in the low voltage position, its two ends are in contact with the second voltmeter stop contact A and the second voltmeter stop contact B respectively. When the second voltmeter pointer is in the high voltage position, its two ends are in contact with the second voltmeter open contact A and the second voltmeter open contact B respectively. The second electromagnet is set close to one end of the second voltmeter pointer. The water storage spring switch is electrically connected to the submersible pump in the water storage unit and is used to control the opening or closing of the water storage unit to supply stored water to the second electric control valve mechanism. The dial of the second voltmeter is connected in parallel with the soil moisture monitoring unit. The two ends of the pointer of the second voltmeter are respectively connected to the two poles of the main power supply. One end of the second spring switch A is connected to the open contact A and the stop contact B of the second voltmeter. The other end of the second spring switch A is connected to one end of the second motor. One end of the second spring switch B is connected to the other end of the second motor. The other end of the second spring switch B is connected to the stop contact A and the open contact B of the second voltmeter. The second electromagnet is connected to the river water level monitoring unit.

[0010] In some embodiments, the third electrically controlled valve mechanism includes a third electrically controlled valve, a third transmission assembly, a third electric motor, a third insulating pressure rod, a river water storage control switch A, a river water storage control switch B, a third electrically controlled switch assembly A, a third electrically controlled switch assembly B, and a double-control switch. The third electrically controlled switch assembly A includes a third electromagnet A, a third protective resistor A, and a third spring switch A. The third electrically controlled switch assembly B includes a third electromagnet B, a third protective resistor B, and a third spring switch B. The third electrically controlled valve is used to control the opening or closing of the river water source unit's supply of river water to the storage unit. The third transmission assembly consists of a meshing third transmission rack and several gears. The shaft of one gear is connected to one end of the third electrically controlled valve, the shaft of the second gear is connected to the transmission shaft of the third electric motor, and the shaft of the third gear is connected to the T-shaped longitudinal end of the third insulating pressure rod. The T-shaped transverse end of the third insulating pressure rod is located between the third spring switch A and the third spring switch B and is used to control the opening / closing of either the third spring switch A or the third spring switch B. One end of the river water storage control switch A is electrically connected to the end of the third protective resistor B furthest from the third spring switch B after passing through the third electromagnet B. The other end of the river water storage control switch A is electrically connected to one of the movable contacts of the double-control switch. One end of the river water storage control switch B is electrically connected to one end of the third motor and the other movable contact of the double-control switch after passing through the third electromagnet A, the third spring switch A, and the third protective resistor A in sequence. The other end of the river water storage control switch B is electrically connected to the other end of the third motor after passing through the third spring switch B and the third protective resistor B in sequence. The end of the third electromagnet A adjacent to the third spring switch A and the fixed contact of the double-control switch are electrically connected to the two poles of the main power supply. The movable contact of the double-control switch is manually switched for manually controlling the intermittent delivery of surplus river water to the storage unit.

[0011] In some embodiments, the soil moisture monitoring unit includes a soil moisture monitoring power supply, a soil moisture sensor, a first conductive rod, a second conductive rod, and a sliding rheostat; the positive terminal of the soil moisture monitoring power supply is electrically connected to one end of the first conductive rod, the other end of the first conductive rod is embedded in the soil moisture sensor, one end of the second conductive rod is embedded in the soil moisture sensor, and the other end of the second conductive rod is electrically connected to the negative terminal of the soil moisture monitoring power supply via the sliding rheostat; the conductive ends of the first and second conductive rods are connected in parallel with the dial of a first voltmeter, and the conductive ends of the first and second conductive rods are connected in parallel with the dial of a second voltmeter. Specifically, a soil moisture sensor can be embedded in the root distribution layer of the vegetation in the area to be irrigated at a depth of 10-20cm. Two voltmeters connected in parallel with two conductive rods are used to measure the soil moisture in real time. The higher the soil moisture, the lower the soil resistance, and the two voltmeters will naturally deflect to the left, pointing to the low voltage position. Conversely, the lower the soil moisture, the higher the soil resistance, and the two voltmeters will naturally deflect to the right, pointing to the high voltage position. In this way, the real-time monitoring of soil moisture is achieved while controlling the deflection position of the two voltmeters. Combined with the monitoring data of river water level, the two voltmeters can automatically select one of the first and second electrically controlled valves to open.

[0012] In some embodiments, the river water level monitoring unit includes a first float, a first float connecting rod, a first pin, a first sleeve, a first bracket, a first support rod, a water level monitoring spring switch A, a water level monitoring spring switch B, and a river water level monitoring protection resistor, which includes a low water level protection resistor and a high water level protection resistor. One end of the first float connecting rod passes through the first float and is fixed to both ends of the first float by the first pin. The other end of the first float connecting rod passes through the first sleeve, forming a T-shaped first insulating pressing part and a second insulating pressing part. The outer wall of the middle part of the first sleeve is fixedly connected to the first support rod, which is horizontally movably embedded in the first bracket. The length of the first insulating pressing part is less than the length of the second insulating pressing part. The first insulating pressing part is arranged adjacent to the water level monitoring spring switch A, and the second insulating pressing part is arranged adjacent to the water level monitoring spring switch B. One of the water level monitoring spring switches A and B can be turned on. One end of the water level monitoring spring switch A is connected to the negative terminal of the main power supply via a low water level protection resistor, and the other end of the water level monitoring spring switch A is connected to the positive terminal of the main power supply via a first electromagnet. One end of the water level monitoring spring switch B is connected to the negative terminal of the main power supply via a high water level protection resistor, and the other end of the water level monitoring spring switch B is connected to the positive terminal of the main power supply via a second electromagnet.

[0013] In some embodiments, the river water source unit includes a second float, a hose, a filter screen, and a booster pump. One end of the hose passes through the second float, and the end forms a trapezoidal inlet with a filter screen installed. The other end of the hose connects to the inlet of the first electrically controlled valve mechanism via the booster pump. The filter screen preferably uses a multi-layer filtration structure, such as a double-layer filtration structure. The first layer is a 5mm stainless steel filter screen to filter large particles, and the second layer is a 100-mesh nylon filter screen to filter fine suspended particles. A check valve can also be installed at the outlet of the booster pump to prevent backflow and pollution of the river water source. The specific structure can be adapted according to actual needs and is not limited here.

[0014] In some embodiments, the urban water source unit includes an urban water supply pipe and a fourth electrically controlled valve mechanism. The fourth electrically controlled valve mechanism is located at the outlet end of the urban water supply pipe and is used to control the opening or closing of the urban water supply pipe. The fourth electrically controlled valve mechanism includes a fourth electrically controlled valve, a fourth transmission group, a fourth motor, a fourth insulating pressure rod, an urban water supply control switch A, an urban water supply control switch B, a fourth electrically controlled switch assembly A, and a fourth electrically controlled switch assembly B. The fourth electrically controlled switch assembly A includes a fourth electromagnet A, a fourth protective resistor A, and a fourth spring switch A. The fourth electrically controlled switch assembly B includes a fourth electromagnet B, a fourth protective resistor B, and a fourth spring switch B. The fourth transmission group consists of a meshing fourth transmission rack and several gears. The shaft of one gear is connected to one end of the fourth electrically controlled valve, the shaft of the second gear is connected to the transmission shaft of the fourth motor, and the shaft of the third gear is connected to the T-shaped longitudinal end of the fourth insulating pressure rod. The T-shaped transverse end of the fourth insulating pressure rod is located between the fourth spring switch A and the fourth spring switch B and is used to control the opening / closing of the fourth spring switch A or the fourth spring switch B. One end of the city water supply control switch A is electrically connected to the end of the fourth protective resistor B away from the fourth spring switch B after passing through the fourth electromagnet B. The other end of the city water supply control switch A is electrically connected to the water level monitoring mechanism of the water tank in the water storage unit. One end of the city water supply control switch B is electrically connected to one end of the fourth motor after passing through the fourth electromagnet A, the fourth spring switch A, and the fourth protective resistor A in sequence. The other end of the city water supply control switch B is electrically connected to the other end of the fourth motor after passing through the fourth spring switch B and the fourth protective resistor B in sequence. The end of the fourth motor adjacent to the fourth protective resistor A is also electrically connected to the water level monitoring mechanism of the water tank in the water storage unit. The end of the fourth electromagnet A adjacent to the fourth spring switch A is also electrically connected to the negative terminal of the main power supply.

[0015] In some embodiments, the water storage unit includes a water storage tank, a submersible pump, and a water level monitoring mechanism. The submersible pump is located at the bottom outlet of the water storage tank and connected to the inlet of the second electrically controlled valve mechanism. The water storage tank receives water from the secondary outlet of the river water source unit and the outlet of the city water source unit. The water level monitoring mechanism includes a third float, a second float connecting rod, a second pin, a second sleeve, a second bracket, a second support rod, and a water tank spring switch. One end of the second float connecting rod passes through the third float and is fixed to both ends of the third float by the second pin. The other end of the second float connecting rod passes through the second sleeve. The outer wall of the middle part of the second sleeve is fixedly connected to the second support rod. The second support rod is horizontally movably embedded in the second bracket. The end of the second float connecting rod near the third float is insulated. The end of the second float connecting rod away from the third float has an externally spaced conductive upper section and a conductive lower section. The conductive upper section is electrically connected to the end of the fourth motor near the fourth protective resistor B, and the conductive lower section is electrically connected to the end of the city water supply control switch A away from the fourth spring switch B. The second sleeve and the second support rod are both conductive. One end of the water tank spring switch is electrically connected to the end of the second support rod away from the second sleeve, and the other end of the water tank spring switch is electrically connected to the positive terminal of the main power supply. As the water level in the reservoir changes, the second sleeve slides between the conductive upper and lower sections to automatically control the start and stop of the fourth motor. The purpose of setting up the water storage unit and the third electrically controlled valve mechanism in this embodiment is to guide a portion of the surplus river water into the reservoir via the third electrically controlled valve mechanism during intermittent river flow periods, and then use the stored water for irrigating vegetation via the second electrically controlled valve mechanism. This further reduces the city's water consumption and conserves water resources.

[0016] In some implementations, the irrigation module includes a main water supply pipe, branch water supply pipes, and several irrigation nozzles. The main water supply pipe is connected to the outlet of the switching module, and the several irrigation nozzles are connected to the main water supply pipe through the branch water supply pipes for uniformly spraying and irrigating the vegetation.

[0017] In some embodiments, the operation switching mode of the intermittent riverbank vegetation irrigation device of the present invention is as follows:

[0018] 1) When the soil moisture value collected by the soil moisture monitoring unit reaches the upper limit of the preset soil moisture threshold, the pointers of the first voltmeter and the second voltmeter both deflect to the low voltage position, driving the first and second electrically controlled valves to close, and driving the water storage unit to stop outputting the stored water source.

[0019] 2) When the soil moisture value collected by the soil moisture monitoring unit does not reach the lower limit of the preset soil moisture threshold, and the river water level data collected by the river water level monitoring unit reaches the water intake threshold, the pointer of the first voltmeter deflects to the high voltage position and the pointer of the second voltmeter deflects to the low voltage position, driving the first electrically controlled valve to open and the second electrically controlled valve to close, and driving the river water source unit to deliver river water to the irrigation module.

[0020] 3) When the soil moisture value collected by the soil moisture monitoring unit does not reach the lower limit of the preset soil moisture threshold, and the river water level data collected by the river water level monitoring unit does not reach the water intake threshold, the pointer of the first voltmeter deflects to the low voltage position and the pointer of the second voltmeter deflects to the high voltage position, driving the first electrically controlled valve to close and the second electrically controlled valve to open, and driving the water storage unit to deliver the stored water source to the irrigation module.

[0021] The advantages of this invention, which differ from the prior art, are as follows:

[0022] 1. This invention's device is equipped with a river water level detection unit and a soil moisture monitoring module. Through real-time acquisition and comprehensive judgment of dual parameters, it constructs a scientific water source selection logic and achieves precise water source switching based on the intermittent characteristics of rivers. When river water is abundant, river water is prioritized for irrigation. Only when the river water level falls below a set threshold, cannot meet the irrigation needs of vegetation, and the soil moisture reaches the irrigation critical value, does it automatically switch to urban water supply. Simultaneously, the device constructs an interlocking switching mechanism, structurally avoiding the hidden dangers of water mixing and water supply pressure conflicts caused by simultaneous connection of two water sources, maximizing the utilization value of natural river water sources and significantly reducing dependence on urban water sources. Furthermore, combined with the water storage unit, a water storage strategy is implemented according to different scenarios: during the river's inflow period, river water is pumped into the storage tank, which can be manually started and stopped; during the dry season, the water stored in the storage tank is used first, and then switched to urban tap water after the storage tank is depleted; during rainy weather, external irrigation is shut off, and rainwater is collected simultaneously to replenish the storage tank, forming a closed-loop water source management system.

[0023] 2. The device of the present invention intelligently adjusts the irrigation water source mode according to the intermittent dynamic changes in river water level, abandoning the traditional extensive method of relying solely on urban water sources for irrigation, and significantly reducing the consumption of urban water sources in irrigation operations; the device is particularly suitable for large-area irrigation scenarios around intermittent rivers, which can effectively alleviate urban water supply pressure, further optimize the overall allocation structure of urban water resources, and improve water resource utilization efficiency.

[0024] 3. The device of this invention adopts closed-loop control logic, which can realize unmanned automatic operation of the entire process of monitoring, analysis, water source switching and irrigation operation; the control module supports remote monitoring and flexible parameter adjustment, and managers can grasp key data such as equipment operation status and water consumption statistics in real time through the terminal, which significantly reduces the manpower and time costs of operation and maintenance, and simultaneously improves the automation efficiency and refined management level of irrigation operation. Attached Figure Description

[0025] Figure 1 is a schematic diagram of one embodiment of the intermittent riverbank vegetation irrigation device of the present invention;

[0026] Figure 2 is a schematic diagram of the structure and circuit of the river water level monitoring unit and the river water source unit in the intermittent riverbank vegetation irrigation device of the present invention;

[0027] Figure 3 is a schematic diagram of the structure and circuit of the soil moisture monitoring unit and switching module in the intermittent riverbank vegetation irrigation device of the present invention;

[0028] Figure 4 is a schematic diagram of the structure of the first voltmeter assembly in the intermittent riverbank vegetation irrigation device of the present invention;

[0029] Figure 5 is a schematic diagram of the structure and circuit of the urban water source unit and the water storage unit in the intermittent riverside vegetation irrigation device of the present invention.

[0030] In the figure: n1~n9 are the 9 corresponding circuit nodes in Figure 2 and Figure 3, and m1~m4 are the 4 corresponding circuit nodes in Figure 3 and Figure 5;

[0031] In the diagram: 1-Soil moisture monitoring unit, 11-Soil moisture monitoring power supply, 12-Soil moisture sensor, 13-First conductive rod, 14-Second conductive rod, 15-Sliding rheostat, 2-River water level monitoring unit, 21-First float, 22-First float connecting rod, 221-First insulating pressing part, 222-Second insulating pressing part, 23-First pin, 24-First sleeve, 25-First bracket, 26-First support rod, 27-Water level monitoring spring switch A, 28-Water level monitoring spring switch B, 29-River water level monitoring protection resistor, 291-Low water level protection resistor, 292-High water level protection resistor, 3-River water source unit, 31-Second float, 32-Hose, 33-Filter screen, 34-Booster pump 4-Urban water source unit, 41-Urban water supply pipe, 42-Fourth electric control valve mechanism, 421-Fourth electric control valve, 422-Fourth transmission group, 423-Fourth motor, 424-Fourth insulating pressure rod, 425-Urban water supply control switch A, 426-Urban water supply control switch B, 427-Fourth electric control switch assembly A, 4271-Fourth electromagnet A, 4272-Fourth protective resistor A, 4273-Fourth spring switch A, 428-Fourth electric control switch assembly B, 4281-Fourth electromagnet B, 4282-Fourth protective resistor B, 4283-Fourth spring switch B, 5-Switching module, 51-First electric control valve mechanism, 511-First electric control valve, 512-First transmission group, 513-First electric... Motion, 514-First insulating pressure rod, 515-First electric control switch assembly A, 5151-First spring switch A, 5152-First diode A, 516-First electric control switch assembly B, 5161-First spring switch B, 5162-First diode B, 517-First voltmeter assembly, 5171-First voltmeter dial, 5172-First voltmeter pointer, 5173-First voltmeter stop contact A, 5174-First voltmeter stop contact B, 5175-First voltmeter open contact A, 5176-First voltmeter open contact B, 518-First electromagnet, 52-Second electric control valve mechanism, 521-Second electric control valve, 522-Second transmission assembly, 523-Second motor, 524- Second insulating pressure rod, 525-Second electric control switch assembly A, 5251-Second spring switch A, 5252-Second diode A, 526-Second electric control switch assembly B, 5261-Second spring switch B, 5262-Second diode B, 527-Second voltmeter assembly, 5271-Second voltmeter dial, 5272-Second voltmeter pointer, 5273-Second voltmeter stop contact A, 5274-Second voltmeter stop contact B, 5275-Second voltmeter opening contact A, 5276-Second voltmeter opening contact B, 528-Second electromagnet, 529-Water storage spring switch, 53-Third electric control valve mechanism, 531-Third electric control valve, 532-Third transmission assembly, 533-Third motor534-Third insulating pressure rod, 535-River water storage control switch A, 536-River water storage control switch B, 537-Third electrical control switch assembly A, 5371-Third electromagnet A, 5372-Third protective resistor A, 5373-Third spring switch A, 538-Third electrical control switch assembly B, 5381-Third electromagnet B, 5382-Third protective resistor B, 5383-Third spring switch B, 539-Double control switch, 54-Main power supply, 55-Switching module switch A, 56-Switching module switch B, 57-Switching module 58-Switching module protection resistor B, 6-Irrigation module, 61-Main water supply pipe, 62-Branch water supply pipe, 63-Several irrigation nozzles, 7-Water storage unit, 71-Water storage tank, 72-Submersible pump, 73-Water tank level monitoring mechanism, 731-Third float, 732-Second float connecting rod, 7321-Upper conductive section, 7322-Lower conductive section, 733-Second pin, 734-Second sleeve, 735-Second bracket, 736-Second support rod, 737-Water tank spring switch, 8-Intermittent river, 9-Vegetation. Detailed Implementation

[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terminology used herein is for the purpose of describing specific embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0033] In this document, the term "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments. The structure and specific working process of the intermittent riverbank vegetation irrigation device of the present invention will be described below through specific embodiments.

[0034] Example 1

[0035] Please refer to Figures 1-5. In this embodiment 1, the intermittent riverside vegetation irrigation device includes a soil moisture monitoring unit 1, a river water level monitoring unit 2, a river water source unit 3, an urban water source unit 4, a switching module 5, an irrigation module 6, and a water storage unit 7. The soil moisture monitoring unit 1 is embedded in the root soil of the vegetation in the area to be irrigated, and is used to collect soil moisture values ​​in real time and determine whether the preset soil moisture threshold (including upper and lower limits) has been reached. The river water level monitoring unit 2 is set at the intermittent river water intake point, and is used to collect river water level data in real time and determine whether the preset water intake threshold (lower limit) has been reached. The inlet of the river water source unit 3 is placed at the intermittent river water intake point, and is used to detect when the river water level reaches the water intake threshold. The system guides river water, with the inlet of urban water source unit 4 connected to the urban water supply network. The main outlet of river water source unit 3 is connected to the first inlet of switching module 5, and the outlet of urban water source unit 4 is connected to the second inlet of switching module 5. Switching module 5 can selectively open either the first or second inlet, switching between river water source and stored water source to supply water to the irrigation module. The stored water source is the water stored in water storage unit 7. The inlet of water storage unit 7 connects to the secondary outlet of river water source unit 3 and the outlet of urban water source unit 4, and the outlet of water storage unit 7 is connected to the third inlet of switching module 4. The inlet of irrigation module 6 is connected to the outlet of switching module 5 and is used for spraying water onto vegetation. Specifically, the main outlet of river water source unit 3 directly supplies water to irrigation module 6 via switching module 5, while the secondary outlet of river water source unit 3 transports surplus river water to water storage unit 7 for later use.

[0036] In this embodiment, the switching module 5 includes a first electrically controlled valve mechanism 51, a second electrically controlled valve mechanism 52, a third electrically controlled valve mechanism 53, a main power supply 54, a switching module switch A 55, a switching module switch B 56, a switching module protection resistor A 57, and a switching module protection resistor B 58. The first electrically controlled valve mechanism 51 is located at the first water inlet of the switching module and is connected to the water outlet of the river water source unit 3. The switching module switch A 55 and the switching module protection resistor A 57 are connected in series with the first electrically controlled valve mechanism 51. The second electrically controlled valve mechanism 52 is located at the second water inlet of the switching module 5 and is connected to the water outlet of the city water source unit 4. The switching module switch B 56 and the switching module protection resistor B 58 are connected in series with the first electrically controlled valve mechanism 51. 58 is connected in series with the second electric control valve mechanism 52; the third electric control valve mechanism 53 is located at the third water inlet of the switching module and connected to the water outlet of the water storage unit 7, and is used to control the start and stop of the water supply from the water stored in the water storage unit 7 to the irrigation module 6; the main power supply 54 is electrically connected to the river water level monitoring unit 2, the first electric control valve mechanism 51, the second electric control valve mechanism 52, the third electric control valve mechanism 53, the fourth electric control valve mechanism 42 in the urban water source unit 4, and the water level monitoring mechanism 73 in the water storage unit 7; based on the preset soil moisture threshold (including upper and lower limits) and water intake threshold (lower limit), the first electric control valve mechanism 51 or the second electric control valve mechanism 52 is automatically selected to open to supply water to the irrigation module 6.

[0037] In this embodiment, the first electrically controlled valve mechanism 51 includes a first electrically controlled valve 511, a first transmission assembly 512, a first motor 513, a first insulating pressure rod 514, a first electrically controlled switch assembly A 515, a first electrically controlled switch assembly B 516, a first voltmeter assembly 517, and a first electromagnet 518. The first electrically controlled switch assembly A 515 includes a first spring switch A 5151 and a first diode A 5152 connected in parallel. The first electrically controlled switch assembly B 516 includes a first spring switch B 5161 and a first diode B 5161 connected in parallel. The first diode A 5152 and the first diode B 5161 are used to control the circuit of the first voltmeter assembly 517 to maintain unidirectional conduction under different voltage conditions. The first voltmeter assembly 517 includes a first voltmeter dial 5171, a first voltmeter pointer 5172, a first voltmeter stop contact A 5173, a first voltmeter stop contact B 5174, and a first voltmeter open contact A 5175. 5175 and the first voltmeter open contact B 5176, and the first electrically controlled valve 511 are used to control the opening or closing of the river water source unit 3 supplying river water to the irrigation module 6. The first transmission group 512 consists of a first transmission rack and several gears meshing with each other. The shaft of one gear is connected to one end of the first electrically controlled valve 511, the shaft of the second gear is connected to the transmission shaft of the first motor 513, and the third gear is located at one end of the first transmission rack and connected to the T-shaped longitudinal end of the first insulating pressure rod 514. The T-shaped transverse end of the first insulating pressure rod 514 is located between the first spring switch A 5151 and the first spring switch B 5161. The first motor 513 drives the first transmission rack to move, thereby driving the T-shaped transverse end of the first insulating pressure rod 514 to move back and forth between the first spring switch A 5151 and the first spring switch B 5161 to achieve the opening / closing of the first spring switch A 5151 or the first spring switch B 5161. The other end of the first transmission rack is located close to the switching module switch B56.The pointer 5172 of the first voltmeter is rotatably mounted at the center of the dial 5171 of the first voltmeter. The stop contacts A 5173 and B 5174, and the open contacts A 5175 and B 5176 of the first voltmeter are arranged in pairs around the center of the dial 5171. When the pointer 5172 is in a low-voltage position, its two ends are in contact with the stop contacts A 5173 and B 5174, respectively. When the pointer 5172 is in a high-voltage position, its two ends are in contact with the open contacts A 5175 and B 5176, respectively. 5176 are in contact, and the first electromagnet 518 is set near one end of the first voltmeter pointer 5172; in the free state, the deflection state of the first voltmeter pointer 5172 is determined by the detection voltage of the soil moisture monitoring unit 1, and the first electromagnet 518 is used to forcibly change the deflection state of the first voltmeter pointer 5172. The dial 5171 of the first voltmeter is connected in parallel with the soil moisture monitoring unit 1. The two ends of the pointer 5172 of the first voltmeter are electrically connected to the two poles of the main power supply 54, respectively. One end of the first spring switch A 5151 is electrically connected to the first voltmeter open contact A 5175 and the first voltmeter stop contact B 5174, respectively. The other end of the first spring switch A 5151 is electrically connected to one end of the first motor 513. One end of the first spring switch B 5161 is electrically connected to the other end of the first motor 513, respectively. The other end of the first spring switch B 5161 is electrically connected to the first voltmeter stop contact A 5173 and the first voltmeter open contact B 5176, respectively. The first electromagnet 518 is electrically connected to the river water level monitoring unit 1.

[0038] In this embodiment, the second electrically controlled valve mechanism 52 includes a second electrically controlled valve 521, a second transmission assembly 522, a second motor 523, a second insulating pressure rod 524, a second electrically controlled switch assembly A 525, a second electrically controlled switch assembly B 526, a second voltmeter assembly 527, a second electromagnet 528, and a water storage spring switch 529. The second transmission assembly 522 consists of a second transmission rack and several gears meshing with each other. The second electrically controlled switch assembly A 525 includes a second spring switch A 5251 and a second diode A 5252 connected in parallel. The second electrically controlled switch assembly B 526 includes a second spring switch B 5261 and a second diode B 5262 connected in parallel. The second voltmeter assembly 527 includes a second voltmeter dial 5271, a second voltmeter pointer 5272, a second voltmeter stop contact A 5273, a second voltmeter stop contact B 5274, and a second voltmeter open contact A 5275. 5275 and the second voltmeter open contact B5276, and the second electrically controlled valve 521 are used to control the opening or closing of the water storage unit 7 supplying river water to the irrigation module 6. The second transmission assembly 522 consists of a meshing second transmission rack and several gears. The shaft of one gear is connected to one end of the second electrically controlled valve 521. The shaft of the second gear is connected to the transmission shaft of the second motor 523. The third gear is located at one end of the second transmission rack and connected to the T-shaped longitudinal end of the second insulating pressure rod 524. The T-shaped transverse end of the second insulating pressure rod 524 is located between the second spring switch A 5251 and the second spring switch B 5261 and is used to control the opening / closing of either the second spring switch A 5251 or the second spring switch B 5261. The other end of the second transmission rack is adjacent to the water storage spring switch 529. The pointer 5272 of the second voltmeter is rotatably located at the center of the dial 5271 of the second voltmeter. The second voltmeter stop contacts A 5273 and B 5274, and the second voltmeter open contacts A 5275 and B 5276 are also connected. 5276 are arranged in pairs around the center of the dial 5271 of the second voltmeter. When the pointer 5272 of the second voltmeter is in the low voltage position, its two ends are in contact with the stop contact A 5273 and the stop contact B 5274 of the second voltmeter, respectively. When the pointer 5272 of the second voltmeter is in the high voltage position, its two ends are in contact with the open contact A 5275 and the open contact B 5276 of the second voltmeter, respectively. The second electromagnet 528 is arranged adjacent to one end of the pointer 5272 of the second voltmeter. The water storage spring switch 529 is electrically connected to the submersible pump 72 in the water storage unit 7 and is used to control the opening or closing of the water storage unit 7 supplying the stored water to the second electric control valve mechanism 52.The dial 5271 of the second voltmeter is connected in parallel with the soil moisture monitoring unit 1. The two ends of the pointer 5272 of the second voltmeter are electrically connected to the two poles of the main power supply 54. One end of the second spring switch A 5251 is electrically connected to the open contact A5275 and the stop contact B 5274 of the second voltmeter. The other end of the second spring switch A 5251 is electrically connected to one end of the second motor 523. One end of the second spring switch B 5261 is electrically connected to the other end of the second motor 523. The other end of the second spring switch B 5261 is electrically connected to the stop contact A 5273 and the open contact B 5276 of the second voltmeter. The second electromagnet 528 is electrically connected to the river water level monitoring unit 2.

[0039] As shown in Figure 4, taking the first voltmeter assembly 517 as an example, in this embodiment, the part where the center of the first voltmeter pointer 5172 contacts the first voltmeter dial 5171 is an insulating section, while the two tips of the first voltmeter pointer 5172 are conductive ends. Simultaneously, the surface of the first electromagnet 518 near the first voltmeter pointer 5172 is coated with an insulating coating. This facilitates good contact with the two pairs of contacts—the first voltmeter stop contact A-first voltmeter stop contact B and the first voltmeter open contact A-first voltmeter open contact B—at different voltage deflection positions, and prevents the first electromagnet 518 from conducting with the first voltmeter pointer 5172 when it attracts it, thereby achieving the switching of the state of the first electrically controlled valve 511. Similarly, the second voltmeter assembly 527 has a similar structure to the first voltmeter assembly 517, and the second electromagnet 528 has a similar structure to the first electromagnet 518. Furthermore, other electromagnets and insulating pressure rods near the spring switch also have an insulating coating on their surfaces near the spring switch.

[0040] In this embodiment, the third electrically controlled valve mechanism 53 includes a third electrically controlled valve 531, a third transmission assembly 532, a third motor 533, a third insulating pressure rod 534, a river water storage control switch A 535, a river water storage control switch B 536, a third electrically controlled switch assembly A 537, a third electrically controlled switch assembly B 538, and a double-control switch 539. The third electrically controlled switch assembly A 537 includes a third electromagnet A 5371, a third protective resistor A 5372, and a third spring switch A 5373. The third electrically controlled switch assembly B 538 includes a third electromagnet B 5381, a third protective resistor B 5382, and a third spring switch B 5383. The third electrically controlled valve 531 is used to control the opening or closing of the river water source unit 3 supplying river water to the water storage unit 7. The third transmission group 532 consists of a third transmission rack and several gears that mesh with each other. The shaft of one gear is connected to one end of the third electric control valve 531, the shaft of the second gear is connected to the transmission shaft of the third motor 533, and the shaft of the third gear is connected to the T-shaped longitudinal end of the third insulating pressure rod 534. The T-shaped transverse end of the third insulating pressure rod 534 is located between the third spring switch A 5373 and the third spring switch B 5383 and is used to control the opening / closing of the third spring switch A 5373 or the third spring switch B 5383. One end of the river water storage control switch A 535 is electrically connected to the end of the third protective resistor B 5382 away from the third spring switch B5383 after passing through the third electromagnet B 5381. The other end of the river water storage control switch A 535 is electrically connected to one of the movable contacts of the double-control switch 539. One end of the river water storage control switch B 536 is electrically connected to one end of the third motor 533 and the other movable contact of the double-control switch 539 after passing through the third electromagnet A 5371, the third spring switch A 5373, and the third protective resistor A 5372 in sequence. The other end of the river water storage control switch B 536 is electrically connected to the other end of the third motor 533 after passing through the third spring switch B 5383 and the third protective resistor B 5382 in sequence. The end of the third electromagnet A 5371 near the third spring switch A 5373 and the fixed contact of the double-control switch 539 are electrically connected to the two poles of the main power supply 54 in sequence. The active contact of the dual-control switch 539 is preferably manually switched to manually control the delivery of surplus river water in the intermittent river 8 to the water storage unit 7. The dual-control switch 539 is used to manually control the opening / closing of the third electrically controlled valve 531. This method can control the amount of surplus river water delivered to the water storage unit 7 based on the actual water storage demand. In other embodiments, the dual-control switch can also be replaced with a self-sensing mechanism that can be linked to the monitoring data of the water level monitoring mechanism 71 in the water storage unit 7. Based on the preset upper limit of the water depth threshold of the water storage tank, the opening / closing of the third electrically controlled valve 531 is controlled. This is not limited here.

[0041] In this embodiment, the soil moisture monitoring unit 1 includes a soil moisture monitoring power supply 11, a soil moisture sensor 12, a first conductive rod 13, a second conductive rod 14, and a sliding rheostat 15. The positive terminal of the soil moisture monitoring power supply 11 is electrically connected to one end of the first conductive rod 13, and the other end of the first conductive rod 13 is embedded in the soil moisture sensor 12. One end of the second conductive rod 14 is embedded in the soil moisture sensor 12, and the other end of the second conductive rod 14 is electrically connected to the negative terminal of the soil moisture monitoring power supply 11 via the sliding rheostat 15. The conductive ends of the first conductive rod 13 and the second conductive rod 14 are connected in parallel with the dial 5171 of the first voltmeter, and the conductive ends of the first conductive rod 13 and the second conductive rod 14 are connected in parallel with the dial 5271 of the second voltmeter. The exposed metal portions of the first conductive rod 13 and the second conductive rod 14 embedded in the soil moisture sensor 12 are coated with a waterproof coating to improve the durability of the monitoring device.

[0042] In this embodiment, the river water level monitoring unit 2 includes a first float 21, a first float connecting rod 22, a first pin 23, a first sleeve 24, a first bracket 25, a first support rod 26, a water level monitoring spring switch A27, a water level monitoring spring switch B28, and a river water level monitoring protection resistor 29. The river water level monitoring protection resistor 29 includes a low water level protection resistor 291 and a high water level protection resistor 292. One end of the first float connecting rod 22 passes through the first float 21 and is fixed to both ends of the first float 21 by the first pin 23. The other end of the first float connecting rod 22 passes through the first sleeve 24 and forms a T-shaped first insulating pressing part 221 and a second insulating pressing part 222. The outer wall of the middle part of the first sleeve 24 is fixedly connected to the first support rod 26. The first support rod 26 is horizontally and movably embedded in the first bracket 25. The length of the first insulating pressing part 221 is less than the length of the second insulating pressing part 222. The first insulating pressing part 221 is arranged close to the water level monitoring spring switch A27, and the second insulating pressing part 222 is arranged close to the water level monitoring spring switch B28. The water level monitoring spring switch A27 and the water level monitoring spring switch B28 can be turned on selectively. One end of the water level monitoring spring switch A27 is connected to the negative terminal of the main power supply 54 via the low water level protection resistor 291, and the other end of the water level monitoring spring switch A27 is connected to the positive terminal of the main power supply 54 via the first electromagnet 518. One end of the water level monitoring spring switch B28 is connected to the negative terminal of the main power supply 54 via the high water level protection resistor 292, and the other end of the water level monitoring spring switch B28 is connected to the positive terminal of the main power supply 54 via the second electromagnet 528.

[0043] In this embodiment, the river water source unit 3 includes a second float 31, a hose 32, a filter screen 33, and a booster pump 34; one end of the hose 32 passes through the second float 31, and the end forms a trapezoidal water inlet and is equipped with a filter screen 33; the other end of the hose 32 is connected to the water inlet of the first electric control valve mechanism 51 after passing through the booster pump 34.

[0044] In this embodiment, the urban water source unit 4 includes an urban water supply pipe 41 and a fourth electrically controlled valve mechanism 42. The fourth electrically controlled valve mechanism 42 is located at the outlet end of the urban water supply pipe 41 and is used to control the opening or closing of the urban water supply pipe 41. The fourth electrically controlled valve mechanism 42 includes a fourth electrically controlled valve 421, a fourth transmission assembly 422, a fourth motor 423, a fourth insulating pressure rod 424, an urban water supply control switch A425, an urban water supply control switch B426, a fourth electrically controlled switch assembly A427, and a fourth electrically controlled switch assembly B428. The fourth electrically controlled switch assembly A427 includes a fourth electromagnet A4271, a fourth protective resistor A4272, and a fourth spring switch A4273. The four-electronic-controlled switch assembly B428 includes a fourth electromagnet B4281, a fourth protective resistor B4282, and a fourth spring switch B4283; the fourth transmission group 422 consists of a fourth transmission rack and several gears that mesh with each other, the shaft of one gear is connected to one end of the fourth electric valve 421, the shaft of the second gear is connected to the transmission shaft of the fourth motor 423, and the shaft of the third gear is connected to the T-shaped longitudinal end of the fourth insulating pressure rod 424. The T-shaped transverse end of the fourth insulating pressure rod 424 is located between the fourth spring switch A4273 and the fourth spring switch B4283 and is used to control the opening / closing of the fourth spring switch A4273 or the fourth spring switch B4283. One end of the city water supply control switch A425 is electrically connected to the end of the fourth protective resistor B4282 away from the fourth spring switch B4283 after passing through the fourth electromagnet B4281. The other end of the city water supply control switch A425 is electrically connected to the water level monitoring mechanism 73 in the water storage unit 7. One end of the city water supply control switch B426 is electrically connected to one end of the fourth motor 423 after passing through the fourth electromagnet A4271, the fourth spring switch A4273, and the fourth protective resistor A4272 in sequence. The other end of the city water supply control switch B426 is electrically connected to the other end of the fourth motor 423 after passing through the fourth spring switch B4283 and the fourth protective resistor B4282 in sequence. The end of the fourth motor 423 adjacent to the fourth protective resistor A4272 is also electrically connected to the water level monitoring mechanism 73 in the water storage unit 7. The end of the fourth electromagnet A4271 adjacent to the fourth spring switch A4273 is also electrically connected to the negative terminal of the main power supply 54.

[0045] In this embodiment, the first, second, third, and fourth transmission racks described above can be supported and limited by sleeve-type supports to ensure that they can reciprocate in a preset direction and distance.

[0046] In this embodiment, the water storage unit 7 includes a water storage tank 71, a submersible pump 72, and a water level monitoring mechanism 73. The submersible pump 72 is located at the bottom outlet of the water storage tank 71 and is connected to the inlet of the second electrically controlled valve mechanism 52. The water storage tank 71 receives the secondary outlet of the river water source unit 3 and the outlet of the city water source unit 4. The water level monitoring mechanism 73 includes a third float 731, a second float connecting rod 732, a second pin 733, a second sleeve 734, a second bracket 735, a second support rod 736, and a water tank spring switch 737. One end of the second float connecting rod 732 passes through the third float 731 and is fixed to both ends of the third float 731 by the second pin 733. The other end of the second float connecting rod 732 passes through the second sleeve 734. The outer wall of the middle part of the second sleeve 734 is fixedly connected to the second support rod 736. The second support rod 736 is horizontally movably embedded in the second bracket 735. The end of the second float link 732 near the third float 731 is insulated. The end of the second float link 732 away from the third float 731 is provided with an externally spaced conductive upper section 7321 and conductive lower section 7322. The conductive upper section 7321 is electrically connected to the end of the fourth motor 423 near the fourth protective resistor B4282. The conductive lower section 7322 is electrically connected to the end of the city water supply control switch A425 away from the fourth spring switch B4283. The second sleeve 734 and the second support rod 736 are both conductive. One end of the water tank spring switch 737 is electrically connected to the end of the second support rod 736 away from the second sleeve 734. The other end of the water tank spring switch 737 is electrically connected to the positive terminal of the main power supply 54. As the water level in the water tank 71 changes, the second sleeve 734 slides between the conductive upper section 7321 and the conductive lower section 7322 to automatically control the start and stop of the fourth motor 423.

[0047] In this embodiment, the irrigation module 6 includes a main water supply pipe 61, a branch water supply pipe 62, and several irrigation nozzles 63. The main water supply pipe 61 is connected to the water outlet of the switching module 5, and the several irrigation nozzles 63 are connected to the main water supply pipe 61 through the branch water supply pipe 62, for uniformly spraying and irrigating the vegetation 9.

[0048] In this embodiment, the specific operational judgment process of the intermittent river 8 bank vegetation 9 irrigation device is as follows:

[0049] 1) When the soil moisture value collected by the soil moisture monitoring unit 1 reaches the upper limit of the preset soil moisture threshold, the soil moisture sensor 12 detects that the soil moisture is too high. Since the soil moisture increases, the soil resistance will decrease, causing the pointers of the first voltmeter 5172 and the second voltmeter 5272 to deflect to the low voltage position (left deflection). The readings of the two voltmeters naturally decrease, thereby driving the first electric control valve 511 and the second electric control valve 521 to close, and at the same time driving the water storage unit 7 to stop outputting the stored water source.

[0050] 2) When the soil moisture value collected by soil moisture monitoring unit 1 does not reach the preset lower limit of soil moisture threshold, and the river water level data collected by river water level monitoring unit 2 reaches the water intake threshold, the soil moisture sensor 12 detects that the soil moisture is too low. Since the decrease in soil moisture will cause the soil resistance to increase, the pointer 5172 of the first voltmeter will automatically deflect to the high voltage position. Meanwhile, the river water level monitoring unit 2 detects that the water volume in the intermittent river is sufficient, causing the second electromagnet 528 to conduct and attract the pointer 5272 of the second voltmeter to deflect to the low voltage position. This will drive the first electrically controlled valve 511 to open and the second electrically controlled valve 521 to close, and drive the river water source unit 3 to deliver river water to the irrigation module 6. That is, when the soil moisture is too low and the water volume in the intermittent river is sufficient, the system switches to using only the river water source for direct irrigation. In addition, since there is sufficient water in the intermittent river under these circumstances, the double-control switch 539 can be manually controlled as appropriate based on the situation in the reservoir 71, so as to control the opening of the third electrically controlled valve 531, thereby transporting the surplus river water in the intermittent river to the reservoir 71 for storage and backup.

[0051] 3) When the soil moisture value collected by soil moisture monitoring unit 1 does not reach the preset lower limit of soil moisture threshold, and the river water level data collected by river water level monitoring unit 2 does not reach the water intake threshold, the soil moisture sensor 12 detects that the soil moisture is too low. Since the decrease in soil moisture will cause the soil resistance to increase, the pointer of the second voltmeter 5272 will automatically deflect to the high voltage position. Meanwhile, the river water level monitoring unit 2 detects that the water volume in the intermittent river is insufficient, causing the first electromagnet 518 to conduct and attract the pointer of the first voltmeter 5172 to deflect to the low voltage position. This will drive the first electrically controlled valve 511 to close and the second electrically controlled valve 521 to open, and drive the water storage unit 7 to deliver stored water to the irrigation module 6. That is, when the soil moisture is too low and the water volume in the intermittent river is insufficient, the system switches to using the stored water source for irrigation.

[0052] On the one hand, the core of the intermittent riverbank vegetation irrigation device in this invention lies in achieving precise and intelligent switching between different water sources by accurately monitoring river water level data and soil moisture values. On the other hand, the water storage sources mainly come from surplus river water in intermittent rivers and urban water networks, and can also come from rainfall. Collecting water from multiple sources can greatly reduce the water consumption of traditional irrigation that relies solely on urban water sources, effectively alleviate urban water supply pressure, further optimize the overall allocation structure of urban water resources, and improve water resource utilization efficiency.

[0053] The embodiments described above are merely illustrative of implementation methods of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. An intermittent riverbank vegetation irrigation device, characterized in that, The system includes a soil moisture monitoring unit, a river water level monitoring unit, a river water source unit, an urban water source unit, a switching module, an irrigation module, and a water storage unit. The soil moisture monitoring unit is embedded in the root soil of the vegetation in the area to be irrigated, used to collect soil moisture values ​​in real time and determine whether a preset soil moisture threshold has been reached. The river water level monitoring unit is located at intermittent river water intake points, used to collect river water level data in real time and determine whether a preset water intake threshold has been reached. The inlet of the river water source unit is located at the intermittent river water intake point and is used to guide river water when the river water level reaches the water intake threshold. The inlet of the urban water source unit is connected to the urban water supply network. The main outlet of the water source unit is connected to the first inlet of the switching module, and the outlet of the urban water source unit is connected to the second inlet of the switching module. The first and second inlets of the switching module can be opened selectively, and either the river water source or the stored water source can be switched to supply water to the irrigation module. The stored water source is the water stored in the water storage unit. The inlet of the water storage unit receives the secondary outlet of the river water source unit and the outlet of the urban water source unit. The outlet of the water storage unit is connected to the third inlet of the switching module. The inlet of the irrigation module is connected to the outlet of the switching module and is used for spraying and irrigating the vegetation.

2. The intermittent riverbank vegetation irrigation device according to claim 1, characterized in that, The switching module includes a first electrically controlled valve mechanism, a second electrically controlled valve mechanism, a third electrically controlled valve mechanism, a main power supply, a switching module switch A, a switching module switch B, a switching module protection resistor A, and a switching module protection resistor B. The first electrically controlled valve mechanism is located at the first water inlet of the switching module and connected to the water outlet of the river water source unit. The switching module switch A and the switching module protection resistor A are connected in series with the first electrically controlled valve mechanism. The second electrically controlled valve mechanism is located at the second water inlet of the switching module and connected to the water outlet of the city water source unit. The switching module switch B and the switching module protection resistor B are connected in series with the first electrically controlled valve mechanism. Two electrically controlled valve mechanisms are connected in series; the third electrically controlled valve mechanism is located at the third water inlet of the switching module and connected to the water outlet of the water storage unit, used to control the start and stop of the water supply from the water stored in the water storage unit to the irrigation module; the main power supply is electrically connected to the river water level monitoring unit, the first electrically controlled valve mechanism, the second electrically controlled valve mechanism, the third electrically controlled valve mechanism, the fourth electrically controlled valve mechanism in the urban water source unit, and the water level monitoring mechanism of the pool in the water storage unit; based on preset soil moisture thresholds and water intake thresholds, the first electrically controlled valve mechanism or the second electrically controlled valve mechanism is controlled to open selectively to supply water to the irrigation module.

3. The intermittent riverbank vegetation irrigation device according to claim 2, characterized in that, The first electrically controlled valve mechanism includes a first electrically controlled valve, a first transmission assembly, a first motor, a first insulating pressure rod, a first electrically controlled switch assembly A, a first electrically controlled switch assembly B, a first voltmeter assembly, and a first electromagnet. The first electrically controlled switch assembly A includes a first spring switch A and a first diode A connected in parallel. The first electrically controlled switch assembly B includes a first spring switch B and a first diode B connected in parallel. The first voltmeter assembly includes a first voltmeter dial, a first voltmeter pointer, a first voltmeter stop contact A, a first voltmeter stop contact B, a first voltmeter open contact A, and a first voltmeter open contact B. The first electrically controlled valve is used to control the... The system controls the opening and closing of the river water source supply from the river water source unit to the irrigation module. The first transmission assembly consists of a meshing first transmission rack and several gears. The shaft of one gear is connected to one end of the first electrically controlled valve, the shaft of another gear is connected to the drive shaft of the first motor, and a third gear is located at one end of the first transmission rack and connected to the T-shaped longitudinal end of the first insulating pressure rod. The T-shaped transverse end of the first insulating pressure rod is located between the first spring switch A and the first spring switch B and is used to control the opening / closing of either spring switch A or spring switch B. The other end of the first transmission rack is connected to the switching module. With the B-type electromagnet positioned close to the center of the voltmeter dial, the pointer of the first voltmeter is rotatably located at the center of the dial. The first voltmeter stop contacts A and B, and the first voltmeter open contacts A and B are paired and positioned around the center of the dial. When the pointer is in a low-voltage position, its two ends are in contact with the first voltmeter stop contacts A and B, respectively. When the pointer is in a high-voltage position, its two ends are in contact with the first voltmeter open contacts A and B, respectively. The first electromagnet is located adjacent to the first voltmeter pointer. One end of the needle is set; the dial of the first voltmeter is connected in parallel with the soil moisture monitoring unit, the two ends of the pointer of the first voltmeter are respectively electrically connected to the two poles of the main power supply, one end of the first spring switch A is electrically connected to the first voltmeter open contact A and the first voltmeter stop contact B respectively, the other end of the first spring switch A is electrically connected to one end of the first motor, one end of the first spring switch B is electrically connected to the other end of the first motor, the other end of the first spring switch B is electrically connected to the first voltmeter stop contact A and the first voltmeter open contact B respectively, and the first electromagnet is electrically connected to the river water level monitoring unit;The second electrically controlled valve mechanism includes a second electrically controlled valve, a second transmission group, a second motor, a second insulating pressure rod, a second electrically controlled switch assembly A, a second electrically controlled switch assembly B, a second voltmeter assembly, a second electromagnet, and a water storage spring switch. The second transmission group consists of a second transmission rack and several gears meshing with each other. The second electrically controlled switch assembly A includes a second spring switch A and a second diode A connected in parallel. The second electrically controlled switch assembly B includes a second spring switch B and a second diode B connected in parallel. The second voltmeter assembly includes a second voltmeter dial, a second voltmeter pointer, a second voltmeter stop contact A, a second voltmeter stop contact B, a second voltmeter open contact A, and a second voltmeter open contact B. The second electrically controlled valve is used to control the opening or closing of the water storage unit supplying river water to the irrigation module; the second transmission assembly consists of a meshing second transmission rack and several gears, the shaft of one gear is connected to one end of the second electrically controlled valve, the shaft of the second gear is connected to the transmission shaft of the second motor, and the third gear is located at one end of the second transmission rack and connected to the T-shaped longitudinal end of the second insulating pressure rod. The T-shaped transverse end of the second insulating pressure rod is located between the second spring switch A and the second spring switch B and is used to control the opening / closing of the second spring switch A or the second spring switch B. The other end of the second transmission rack is located adjacent to the water storage spring switch, and the second voltage... The pointer of the second voltmeter is rotatably positioned at the center of the dial. Stop contacts A and B of the second voltmeter, and open contacts A and B of the second voltmeter are arranged in pairs around the center of the dial. When the pointer is in a low-voltage position, its two ends are in contact with stop contacts A and B, respectively. When the pointer is in a high-voltage position, its two ends are in contact with open contacts A and B, respectively. The second electromagnet is positioned adjacent to one end of the pointer. The water storage spring switch is electrically connected to the submersible pump in the water storage unit for control. The water storage unit supplies the second electrically controlled valve mechanism with the function of opening or closing the stored water source; the dial of the second voltmeter is connected in parallel with the soil moisture monitoring unit, and the two ends of the pointer of the second voltmeter are respectively electrically connected to the two poles of the main power supply; one end of the second spring switch A is electrically connected to the second voltmeter open contact A and the second voltmeter stop contact B respectively; the other end of the second spring switch A is electrically connected to one end of the second motor; one end of the second spring switch B is electrically connected to the other end of the second motor; the other end of the second spring switch B is electrically connected to the second voltmeter stop contact A and the second voltmeter open contact B respectively; and the second electromagnet is electrically connected to the river water level monitoring unit.The third electrically controlled valve mechanism includes a third electrically controlled valve, a third transmission assembly, a third motor, a third insulating pressure rod, a river water storage control switch A, a river water storage control switch B, a third electrically controlled switch assembly A, a third electrically controlled switch assembly B, and a dual-control switch. The third electrically controlled switch assembly A includes a third electromagnet A, a third protective resistor A, and a third spring switch A. The third electrically controlled switch assembly B includes a third electromagnet B, a third protective resistor B, and a third spring switch B. The third electrically controlled valve is used to control the opening or closing of the river water source unit supplying river water to the water storage unit. The third transmission assembly consists of a meshing third transmission rack and several gears. The shaft of one gear is connected to one end of the third electrically controlled valve, the shaft of another gear is connected to the transmission shaft of the third motor, and the shaft of the third gear is connected to the T-shaped longitudinal end of the third insulating pressure rod. The T-shaped transverse end of the third insulating pressure rod is located between the third spring switch A and the third spring switch B and is used to control the... The third spring switch A or the third spring switch B is opened / closed; one end of the river water storage control switch A, via the third electromagnet B, is electrically connected to the end of the third protective resistor B furthest from the third spring switch B; the other end of the river water storage control switch A is electrically connected to one of the movable contacts of the double-control switch; one end of the river water storage control switch B, via the third electromagnet A, the third spring switch A, and the third protective resistor A, is electrically connected to one end of the third motor and the other movable contact of the double-control switch; the other end of the river water storage control switch B, via the third spring switch B and the third protective resistor B, is electrically connected to the other end of the third motor; the end of the third electromagnet A adjacent to the third spring switch A and the fixed contact of the double-control switch are electrically connected to the two poles of the main power supply; the movable contact of the double-control switch is manually switched for manually controlling the intermittent supply of surplus river water to the water storage unit.

4. The intermittent riverbank vegetation irrigation device according to claim 3, characterized in that, The soil moisture monitoring unit includes a soil moisture monitoring power supply, a soil moisture sensor, a first conductive rod, a second conductive rod, and a sliding rheostat. The positive terminal of the soil moisture monitoring power supply is electrically connected to one end of the first conductive rod, and the other end of the first conductive rod is embedded in the soil moisture sensor. One end of the second conductive rod is embedded in the soil moisture sensor, and the other end of the second conductive rod is electrically connected to the negative terminal of the soil moisture monitoring power supply via the sliding rheostat. The conductive ends of the first and second conductive rods are connected in parallel with the dial of the first voltmeter, and the conductive ends of the first and second conductive rods are connected in parallel with the dial of the second voltmeter.

5. The intermittent riverbank vegetation irrigation device according to claim 3, characterized in that, The river water level monitoring unit includes a first float, a first float connecting rod, a first pin, a first sleeve, a first bracket, a first support rod, a water level monitoring spring switch A, a water level monitoring spring switch B, and a river water level monitoring protection resistor. The river water level monitoring protection resistor includes a low water level protection resistor and a high water level protection resistor. One end of the first float connecting rod passes through the first float and is fixed to both ends of the first float by the first pin. The other end of the first float connecting rod passes through the first sleeve, forming a T-shaped first insulating pressing part and a second insulating pressing part at the end. The outer wall of the middle part of the first sleeve is fixedly connected to the first support rod, and the first support rod is horizontally movably embedded in the first bracket. The first insulating... The length of the lower pressure part is less than the length of the second insulating lower pressure part. The first insulating lower pressure part is arranged adjacent to the water level monitoring spring switch A, and the second insulating lower pressure part is arranged adjacent to the water level monitoring spring switch B. The water level monitoring spring switch A and the water level monitoring spring switch B are selectively turned on. One end of the water level monitoring spring switch A is electrically connected to the negative terminal of the main power supply after passing through the low water level protection resistor, and the other end of the water level monitoring spring switch A is electrically connected to the positive terminal of the main power supply after passing through the first electromagnet. One end of the water level monitoring spring switch B is electrically connected to the negative terminal of the main power supply after passing through the high water level protection resistor, and the other end of the water level monitoring spring switch B is electrically connected to the positive terminal of the main power supply after passing through the second electromagnet.

6. The intermittent riverbank vegetation irrigation device according to claim 3, characterized in that, The river water source unit includes a second float, a hose, a filter screen, and a booster pump; one end of the hose passes through the second float, and the end forms a trapezoidal water inlet and is equipped with the filter screen; the other end of the hose is connected to the water inlet of the first electrically controlled valve mechanism after passing through the booster pump.

7. The intermittent riverbank vegetation irrigation device according to claim 3, characterized in that, The urban water source unit includes an urban water supply pipe and a fourth electrically controlled valve mechanism. The fourth electrically controlled valve mechanism is located at the outlet end of the urban water supply pipe and is used to control the opening or closing of the urban water supply pipe. The fourth electrically controlled valve mechanism includes a fourth electrically controlled valve, a fourth transmission assembly, a fourth motor, a fourth insulating pressure rod, an urban water supply control switch A, an urban water supply control switch B, a fourth electrically controlled switch assembly A, and a fourth electrically controlled switch assembly B. The fourth electrically controlled switch assembly A includes a fourth electromagnet A, a fourth protective resistor A, and a fourth spring switch A. The fourth electrically controlled switch assembly B includes a fourth electromagnet B, a fourth protective resistor B, and a fourth spring switch B. The fourth transmission assembly consists of a meshing fourth transmission rack and several gears. The axis of one gear is connected to one end of the fourth electrically controlled valve, the axis of the second gear is connected to the transmission shaft of the fourth motor, and the axis of the third gear is connected to the T-shaped longitudinal end of the fourth insulating pressure rod. The T-shaped transverse end of the fourth insulating pressure rod is located at... The fourth spring switch A and the fourth spring switch B are connected and used to control the opening / closing of the fourth spring switch A or the fourth spring switch B; one end of the city water supply control switch A is electrically connected to the end of the fourth protective resistor B away from the fourth spring switch B after passing through the fourth electromagnet B, and the other end of the city water supply control switch A is electrically connected to the water level monitoring mechanism of the water tank in the water storage unit; one end of the city water supply control switch B is electrically connected to one end of the fourth motor after passing through the fourth electromagnet A, the fourth spring switch A, and the fourth protective resistor A in sequence; the other end of the city water supply control switch B is electrically connected to the other end of the fourth motor after passing through the fourth spring switch B and the fourth protective resistor B in sequence, and the end of the fourth motor near the fourth protective resistor A is also electrically connected to the water level monitoring mechanism of the water tank in the water storage unit, and the end of the fourth electromagnet A near the fourth spring switch A is also electrically connected to the negative terminal of the main power supply.

8. The intermittent riverbank vegetation irrigation device according to claim 7, characterized in that, The water storage unit includes a water storage tank, a submersible pump, and a water level monitoring mechanism. The submersible pump is located at the bottom outlet of the water storage tank and connected to the inlet of the second electrically controlled valve mechanism. The water storage tank receives the secondary outlet of the river water source unit and the outlet of the city water source unit. The water level monitoring mechanism includes a third float, a second float connecting rod, a second pin, a second sleeve, a second bracket, a second support rod, and a water tank spring switch. One end of the second float connecting rod passes through the third float and is fixed to both ends of the third float by the second pin. The other end of the second float connecting rod passes through the second sleeve. The outer wall of the middle part of the second sleeve is fixedly connected to the second support rod. The second support rod is horizontally movably embedded in the second bracket. The end of the second float connecting rod adjacent to the third float is insulated. The end of the second float connecting rod away from the third float has a spaced-apart conductive upper section and conductive lower section. The conductive upper section is electrically connected to the end of the fourth motor adjacent to the fourth protective resistor B, and the conductive lower section is electrically connected to the end of the city water supply control switch A away from the fourth spring switch B. The second sleeve and the second support rod are both conductive. One end of the water tank spring switch is electrically connected to the end of the second support rod away from the second sleeve, and the other end of the water tank spring switch is electrically connected to the positive terminal of the main power supply. As the water level in the water tank changes, the second sleeve slides between the conductive upper section and the conductive lower section to automatically control the start and stop of the fourth motor.

9. The intermittent riverbank vegetation irrigation device according to claim 3, characterized in that, The irrigation module includes a main water supply pipe, branch water supply pipes, and several irrigation nozzles. The main water supply pipe is connected to the outlet of the switching module, and the several irrigation nozzles are connected to the main water supply pipe through the branch water supply pipes for uniformly spraying and irrigating the vegetation.

10. The intermittent riverbank vegetation irrigation device according to claim 3, characterized in that, When the soil moisture value collected by the soil moisture monitoring unit reaches the preset upper limit of the soil moisture threshold, the pointers of the first and second voltmeters both deflect to the low voltage position, driving the first and second electrically controlled valves to close, and driving the water storage unit to stop outputting stored water. When the soil moisture value collected by the soil moisture monitoring unit does not reach the preset lower limit of the soil moisture threshold, and the river water level data collected by the river water level monitoring unit reaches the water intake threshold, the pointer of the first voltmeter deflects to the high voltage position and the pointer of the second voltmeter deflects to the low voltage position, driving the first electrically controlled valve to open and the second electrically controlled valve to close, and driving the river water source unit to deliver river water to the irrigation module. When the soil moisture value collected by the soil moisture monitoring unit does not reach the preset lower limit of the soil moisture threshold, and the river water level data collected by the river water level monitoring unit does not reach the water intake threshold, the pointer of the first voltmeter deflects to the low voltage position and the pointer of the second voltmeter deflects to the high voltage position, driving the first electrically controlled valve to close and the second electrically controlled valve to open, and driving the water storage unit to deliver stored water to the irrigation module.

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