CN211013161U - Water-saving irrigation paddy field irrigation lower limit monitoring and early warning device based on underground water level regulation - Google Patents
Water-saving irrigation paddy field irrigation lower limit monitoring and early warning device based on underground water level regulation Download PDFInfo
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- CN211013161U CN211013161U CN201921796235.0U CN201921796235U CN211013161U CN 211013161 U CN211013161 U CN 211013161U CN 201921796235 U CN201921796235 U CN 201921796235U CN 211013161 U CN211013161 U CN 211013161U
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Abstract
The utility model discloses a water-saving irrigation paddy field lower limit monitoring and early warning device waters based on ground water level regulation and control, including monitoring devices and early warning device, early warning device includes that two-sided long warning light and solar electric power system make up fixedly. The observation well in the monitoring device is divided into an overground part and an underground part, the overground part is provided with a slide way and a graduated scale, and the critical value of the underground water level to be monitored can be adjusted; a jackscrew hole at the upper port of the observation well is used for connecting and fixing the monitoring system and the early warning system; the utility model discloses a position condition that the liquid level appearance learnt to observe water level in the well monitors and the early warning. Furthermore, the utility model discloses can also be through the different ground water level critical values of adjustment early warning according to actual demand, can adapt to the multiple environment of water conservation accuse irrigation as the irrigation index and then guide irrigation with groundwater buried depth, have simple structure, advantages such as convenient operation, reuse.
Description
Technical Field
The utility model belongs to water level monitoring and early warning device, concretely relates to water conservation irrigation paddy field lower limit monitoring early warning device based on ground water level regulation and control.
Background
The rice is used as a main grain crop in China, and plays an important role in national grain safety and social stability. The rice is characterized by high water consumption, and China faces the conditions of water resource shortage and uneven water and soil resource distribution, so that the implementation of the water-saving irrigation technology of the rice is an optimal idea for solving the problem.
Scientific irrigation is one of the important preconditions for efficient water conservation in agriculture, needs a reasonable irrigation system for support, and takes the determination of irrigation control indexes as a core. At present, the rice irrigation control indexes comprise soil appearance, days without water layer, soil and water potential, underground water burial depth, field water layer, root layer soil water content and the like, and compared with the underground water burial depth, other indexes have the defects of insufficient scientificity or difficulty in monitoring and the like, so that the popularization of the water-saving irrigation technology is limited.
Aiming at the underground water burial depth index of the water-saving technology, the rice corresponds to different underground water burial depth critical values in each growth period, and the rice is irrigated when the underground water level of the rice field is reduced to the underground water burial depth critical value, so that the development of an adjustable underground water level early warning device to guide the rice field to irrigate is very important.
The existing underground water level early warning device has the defects that the underground water level early warning range is small and difficult to adjust, equipment circuit system faults are easy to cause in field operation and the like, so that the adjustability and timeliness of the underground water level early warning are limited, and the existing underground water level early warning device is difficult to adapt to a water-saving irrigation control technology which takes underground water burial depth as an irrigation index to guide irrigation.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the not enough problem of above-mentioned prior art, the utility model aims at providing a water conservation irrigation paddy field lower limit monitoring early warning device of watering based on ground water level regulation and control.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme.
The utility model provides a water-saving irrigation paddy field lower limit monitoring and early warning device based on ground water level regulation and control, includes monitoring devices and early warning device, monitoring devices includes slide, scale, liquid level appearance and observation well, the observation well is located earth's surface upper portion and is equipped with slide and the scale that supplies the liquid level appearance to fluctuate, the liquid level appearance reciprocates at the slide according to the water level of infiltration in the observation well, and the observation well top is through stiff end installation early warning device, early warning device include warning light and solar cell panel, when the liquid level appearance reaches predetermined scale interval, the control wire switch-on warning light power.
Furthermore, four jackscrew holes are uniformly formed around the top end port of the observation well, and the jackscrews penetrate through the jackscrew holes to fix the fixed end of the early warning device. The observation well is hollow structure, and the part that is located the soil below is equipped with the hole of permeating water all around, the outside in hole of permeating water is equipped with geotechnological cloth, and the floater of liquid level appearance bottom is located the inside of observation well.
Further, the liquid level meter comprises a floating type installation mode and a fixed type installation mode, the floating type installation mode is that the liquid level meter floats up and down along the slide way according to the change of the water level in the observation well, the fixed type installation mode is that the liquid level meter is fixed in the slide way, and a floating ball at the bottom of the liquid level meter floats along the water level in the observation well.
When the liquid level meter is installed in a floating mode, the lower portion or the upper portion of the slide way is provided with the trigger switch, the trigger switch comprises metal pieces arranged on two sides of the lower portion of the slide way, the end face of the liquid level meter is provided with a metal connecting piece, and when the end face metal connecting piece of the liquid level meter falls into the middle of the lower metal piece, a power supply loop of the early warning lamp is formed.
When the liquid level meter is fixedly installed, one end of a floating ball of the liquid level meter and a long rod penetrate through the ground and are located at a certain depth in the center of the underground part of the observation well, and the other end of the floating ball penetrates through a slide way and is fixed on the observation well corresponding to a preset scale value through a gasket and a nut.
Furthermore, the liquid level meter is an L type side-mounted floating ball liquid level meter.
Has the advantages that: compared with the prior art, the utility model provides a water-saving irrigation paddy field irrigation lower limit monitoring and early warning device based on ground water level regulation and control has a liquid level meter slide structure, can satisfy different ground water level critical value setting requirements according to actual conditions, and the early warning range becomes flexible and controllable; by arranging the solar power system, the safety of the device is improved, the problem of difficult power taking in field early warning is solved, and the operation scene of the device is greatly widened; the device highly integrates the floating ball liquid level meter and the solar double-sided long drain warning lamp, and can make timely and sensitive warning response to the change of the operating state of the floating ball liquid level meter according to the change of the underground water level; meanwhile, the device has the advantages of simple structure, convenient operation, low cost and repeated use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
For the purpose of explaining the technical solution disclosed in the present invention in detail, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
The structure of the device is shown in figure 1, and the device consists of a slideway 1, a signal wire 2, a graduated scale 3, an L type side-mounted floating ball liquid level instrument 4, a water permeable hole, geotextile 5, an observation well 6, a fixed end 7 of a double-sided long-row warning lamp, a jackscrew 8, a jackscrew hole 9, a solar cell panel fixed end 10, a solar cell panel 11 and a double-sided long-row warning lamp 12.
To the early warning device, solar cell panel 11 passes through solar cell panel stiff end 10 with two-sided long row warning light 12 and is connected, and solar cell panel controller and battery are located two-sided long row warning light 12 insidely, and the battery is two-sided long row warning light 12 power supplies.
For the monitoring device, an observation well 6 can be divided into an overground part and an underground part, the observation well is made of a steel round pipe, a slideway 1 structure of a liquid level instrument is arranged in a certain range along the overground part of the observation well 6, a graduated scale 3 is arranged on the right side of the slideway 1, one end of a floating ball and a long rod of an L type side-mounted floating ball liquid level instrument 4 penetrate through the ground and are positioned at a certain depth in the underground part of the observation well 6, the other end of the floating ball penetrates through the slideway 1 and is fixed on the observation well 6 at the corresponding graduation by a gasket and a nut, water permeable holes are uniformly formed in the periphery of the underground part of the observation well 6 from top to bottom and are wrapped by geotextile 5 to play a role of water and mud permeability, a fixed end 7 of a double-sided long-displacement warning lamp and the observation well 6 are fixed by a jackscrew hole 9 positioned at the position, close to a port, of the overground part of the observation well, the jackscrew 8 is used.
When the device is used, firstly, the critical value of the underground water level to be monitored is determined, the L type side-mounted floating ball liquid level instrument 4 positioned on the liquid level instrument slide way 1 is adjusted to fix the floating ball at the critical value of the underground water level, at the moment, the underground water level is higher than the floating ball, the signal transmission route is in a closed state, when the underground water level is gradually reduced to the critical value of the underground water level, the floating ball falls down to conduct the signal transmission route, a warning signal is transmitted to the double-sided long alarm lamp 12 through the lead 2, the alarm lamp is turned on, the early warning state of the underground water level is started, and when the underground water level is higher than the floating ball through supplying underground water, the floating ball.
When the monitored underground water level critical value needs to be adjusted, screws at the fixing positions of the L type side-mounted floating ball liquid level instrument 4 and the observation well 6 are screwed to be in a loose state, the L type side-mounted floating ball liquid level instrument 4 is adjusted up and down along the slide way 1 to the underground water level critical value to be adjusted, the screws at the fixing positions are screwed again, and the adjustment is finished.
The utility model provides a device has two kinds of setting structures to early warning device's triggering, mainly realizes through two kinds of mounting means of liquid level appearance, including floating type mounting means and fixed type mounting means. For the fixed installation mode of the liquid level meter, the above embodiment has given a detailed description, and it corresponds to that one end of the floating ball and the long rod of the liquid level meter pass through the ground and are located at a certain depth in the underground central position of the observation well, the other end passes through the slide way and is fixed on the observation well corresponding to the preset scale value by the gasket and the nut, then the floating ball at the lower end of the liquid level meter is changed along with the water level in the observation well 6 to realize signal conduction or power control, and after the water level in the observation well 6 is lowered, the floating ball falls down to trigger the switch to conduct the circuit and the signal. To the mounting means of floating type, the liquid level appearance is overall structure, and the lower extreme floater is fixed the setting, and the floater moves together with liquid level appearance connecting rod under the effect of water level buoyancy, and the terminal surface of liquid level appearance upper end sets up the metal connecting piece, and the lower part or the upper portion of slide are trigger switch, and trigger switch is including setting up the metalwork that arranges in slide lower part both sides, and the terminal surface metal connecting piece when the liquid level appearance falls into the power return circuit that forms the warning light in the middle of the metalwork down, switches on the warning light from this.
Claims (7)
1. The utility model provides a water-saving irrigation paddy field lower limit monitoring and early warning device waters based on ground water level regulation and control, includes monitoring devices and early warning device, its characterized in that: monitoring devices includes slide (1), scale (3), liquid level meter and observation well (6), observation well (6) are located earth's surface upper portion and are equipped with slide (1) and scale (3) that supply liquid level meter fluctuation, the liquid level meter reciprocates at slide (1) according to the water level of infiltration in observation well (6), and stiff end (7) installation early warning device is passed through at observation well (6) top, early warning device includes warning light and solar cell panel (11), and when liquid level meter reached predetermined scale interval, control wire (2) switch-on warning light power.
2. The device for monitoring and early warning the lower limit of irrigation of the water-saving irrigation rice field based on the regulation and control of the underground water level as claimed in claim 1, wherein: four jackscrew holes (9) are uniformly formed around the top end port of the observation well (6), and a jackscrew (8) penetrates through the jackscrew hole (9) to fix a fixed end (7) of the early warning device.
3. The device for monitoring and early warning the lower limit of irrigation of the water-saving irrigation rice field based on the regulation and control of the underground water level as claimed in claim 1, wherein: the observation well (6) is of a hollow structure, water permeable holes are formed in the periphery of the part below soil, geotextile (5) is arranged on the outer sides of the water permeable holes, and a floating ball at the bottom of the liquid level meter is located inside the observation well (6).
4. The device for monitoring and early warning the lower limit of irrigation of the water-saving irrigation rice field based on the regulation and control of the underground water level as claimed in claim 1, wherein: the liquid level instrument comprises a floating type installation mode and a fixed type installation mode, the floating type installation mode is that the liquid level instrument floats up and down along the slide way (1) according to the change of the water level in the observation well (6), the fixed type installation mode is that the liquid level instrument is fixed in the slide way (1), and a floating ball at the bottom of the liquid level instrument floats along the water level in the observation well (6).
5. The device for monitoring and early warning the lower limit of irrigation of the water-saving irrigation rice field based on the regulation and control of the underground water level as claimed in claim 4, wherein: when the liquid level meter is installed in a floating mode, the lower portion or the upper portion of the slide way (1) is provided with the trigger switch, the trigger switch comprises metal pieces arranged on two sides of the lower portion of the slide way (1), the end face of the liquid level meter is provided with a metal connecting piece, and when the end face metal connecting piece of the liquid level meter falls into the middle of the lower metal piece, a power supply loop of the early warning lamp is formed.
6. The device for monitoring and early warning the lower limit of irrigation of the water-saving irrigation rice field based on the regulation and control of the underground water level as claimed in claim 3, wherein: when the liquid level meter is fixedly installed, one end of a floating ball of the liquid level meter and a long rod penetrate through the ground and are located at a certain depth in the underground part of the observation well (6), and the other end of the floating ball penetrates through the slide way (1) and is fixed on the observation well (6) corresponding to the preset scale value through a gasket and a nut.
7. The device for monitoring and warning the lower irrigation limit of the water-saving irrigation rice field based on the regulation and control of the underground water level as claimed in any one of claims 1, 4, 5 or 6, wherein the liquid level meter is an L type side-mounted floating ball liquid level meter (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921796235.0U CN211013161U (en) | 2019-10-24 | 2019-10-24 | Water-saving irrigation paddy field irrigation lower limit monitoring and early warning device based on underground water level regulation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921796235.0U CN211013161U (en) | 2019-10-24 | 2019-10-24 | Water-saving irrigation paddy field irrigation lower limit monitoring and early warning device based on underground water level regulation |
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| CN211013161U true CN211013161U (en) | 2020-07-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690192A (en) * | 2020-12-23 | 2021-04-23 | 石河子大学 | Surface-underground water combined irrigation method for different irrigation periods |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112690192A (en) * | 2020-12-23 | 2021-04-23 | 石河子大学 | Surface-underground water combined irrigation method for different irrigation periods |
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