CN114467716A - Farmland drought and waterlogging monitoring method and system - Google Patents
Farmland drought and waterlogging monitoring method and system Download PDFInfo
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- CN114467716A CN114467716A CN202210096684.4A CN202210096684A CN114467716A CN 114467716 A CN114467716 A CN 114467716A CN 202210096684 A CN202210096684 A CN 202210096684A CN 114467716 A CN114467716 A CN 114467716A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 117
- 238000003973 irrigation Methods 0.000 claims abstract description 113
- 230000002262 irrigation Effects 0.000 claims abstract description 113
- 239000002349 well water Substances 0.000 claims description 18
- 235000020681 well water Nutrition 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 9
- 230000001771 impaired effect Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
Abstract
The application relates to a farmland drought and flood monitoring method and system, which belong to the technical field of communication, and comprise the following steps: acquiring moisture values at two ends and two sides of a farmland; then comparing the four moisture values to obtain the maximum moisture value and the minimum moisture value; then judging whether the maximum moisture value is smaller than or equal to a preset first moisture threshold value or not, and if so, outputting an irrigation signal; then, irrigating farmlands corresponding to the moisture values according to the priority of the moisture values from small to large on the basis of the irrigation signals; meanwhile, judging whether the minimum moisture value is larger than a preset second moisture threshold value or not, and if so, outputting a drainage signal; wherein the second moisture threshold is greater than the first moisture threshold; and then, based on the drainage signal, draining the farmland corresponding to the moisture value according to the priority of the moisture value from large to small. Because the farmland is in when the drought, can irrigate in time, and the farmland is in when waterlogging, can in time drain off water, consequently reduces the impaired time in farmland.
Description
Technical Field
The application relates to the technical field of communication, in particular to a farmland drought and flood monitoring method and system.
Background
With the continuous development of society and the continuous progress of science and technology, the automatic irrigation system is used more and more to irrigate farmlands in agricultural production.
Related patent with publication number CN108522230A and publication number 20180914 discloses a farmland drought and flood monitoring device, which comprises a pipe body, a soil moisture sensor, a water level detector, a controller and an alarm, wherein the pipe body is provided with a water inlet;
the soil moisture sensor is positioned below the pipe body and is electrically connected with the controller;
the water level detector is arranged in the pipe body and is electrically connected with the controller;
the soil moisture sensor is suitable for being inserted into soil of a farmland, is used for detecting the volume water content of the soil and sending the volume water content to the controller;
the water level detector is used for detecting the distance between the water level detector and the liquid level in the pipe body and sending the distance to the controller;
the controller is used for judging whether the farmland is drought according to the volume water content of the soil, and starting the alarm to give an alarm when judging that the farmland is drought; and the alarm is also used for judging whether the farmland is flooded according to the distance between the water level detector and the liquid level in the pipe body, and starting the alarm to give an alarm when the farmland is flooded.
In view of the above-described related art, the inventors found that the following drawbacks exist: when the farmland is dry or flooded, only an alarm is given, and if the user cannot receive the alarm action, the user cannot timely process the alarm action, so that the damage time of the farmland is prolonged.
Disclosure of Invention
In order to timely process the farmland in drought or water logging so as to reduce the damage time of the farmland, the application provides a method and a system for monitoring drought and flood of the farmland.
In a first aspect, the application provides a farmland drought and flood monitoring method, which adopts the following technical scheme:
a farmland drought and flood monitoring method comprises the following steps:
acquiring moisture values at two ends and two sides of a farmland;
comparing the four moisture values to obtain a maximum moisture value and a minimum moisture value;
judging whether the maximum moisture value is smaller than or equal to a preset first moisture threshold value or not, and if so, outputting an irrigation signal;
based on the irrigation signal, irrigating farmland corresponding to the moisture value according to the priority of the moisture value from small to large;
judging whether the minimum moisture value is larger than a preset second moisture threshold value or not, and if so, outputting a drainage signal; wherein the second moisture threshold is greater than the first moisture threshold;
and based on the drainage signal, draining the farmland corresponding to the moisture value according to the priority of the moisture value from large to small.
By adopting the technical scheme, firstly, the moisture values at two ends and two sides of a farmland are obtained, then the four moisture values are compared, the maximum moisture value and the minimum moisture value are obtained, then whether the maximum moisture value is less than or equal to a first moisture threshold value or not is judged, if yes, the farmland is proved to be dry, and therefore an irrigation signal is output, irrigation is preferentially carried out from the farmland corresponding to the minimum moisture value, and therefore the moisture at two ends and two sides of the farmland is more uniform; in addition, whether the minimum moisture value is larger than the second moisture threshold value or not is judged, if yes, the farmland is proved to be in waterlogging, and therefore a drainage signal is output, drainage is preferentially carried out from the farmland corresponding to the maximum moisture value, and accordingly damage to the farmland is reduced;
because the farmland is in when the drought, can irrigate in time, and the farmland is in when waterlogging, can in time drain off water, consequently reduces the impaired time in farmland.
Optionally, the method for monitoring drought and flood in the farmland further comprises the following steps:
if the maximum moisture value is larger than the first moisture threshold, sequentially comparing the rest moisture values with the first moisture threshold to obtain the moisture value smaller than or equal to the first moisture threshold;
irrigating farmlands corresponding to the acquired moisture values which are smaller than or equal to the first moisture threshold value according to the priority of the moisture values from small to large;
stopping irrigation when the moisture values obtained that are less than or equal to the first moisture threshold are all greater than the first moisture threshold.
By adopting the technical scheme, if the maximum moisture value is greater than the first moisture threshold value, the farmland at the position is not dry, the rest moisture values are compared with the first moisture threshold value to obtain the moisture value less than or equal to the first moisture threshold value, then the farmland position corresponding to the minimum value in the obtained moisture values less than or equal to the first moisture threshold value is preferably irrigated, and when the four moisture values are greater than the first moisture threshold value, the irrigation is stopped, so that the moisture at the two ends and the two sides of the farmland is more uniform.
Optionally, the method for monitoring drought and flood in the farmland further comprises the following steps:
if the minimum moisture value is less than or equal to the second moisture threshold, comparing the rest moisture values with the second moisture threshold in sequence to obtain the moisture value greater than the second moisture threshold;
draining the farmland corresponding to the obtained moisture value larger than the second moisture threshold value according to the priority from large to small of the moisture value;
and stopping draining when the acquired moisture values which are larger than the second moisture threshold value are all smaller than the second moisture threshold value.
Through adopting above-mentioned technical scheme, if minimum moisture value is less than the second moisture threshold value, then indicate that this place farmland is not waterlogged, consequently through comparing remaining moisture value with the second moisture threshold value to obtain the moisture value that is greater than the second moisture threshold value, then preferentially carry out the drainage to the farmland department that corresponds in the maximum value among the moisture value that is greater than the second moisture threshold value again, when four moisture values all are less than the second moisture threshold value, stop the drainage, thereby reduce the harm that the farmland received.
Optionally, the time interval for irrigation according to the priority of the moisture value from small to large is set to Xmin;
the time interval for draining according to the priority from large to small of the moisture value is set as Ymin; wherein X is greater than Y.
By adopting the technical scheme, when one end of the farmland starts to irrigate, after Xmin, the other end or the other side of the farmland starts to irrigate; when one end of the farmland starts to drain water, after Ymin, the other end or the other side of the farmland starts to drain water; because waterlogging indicates that the farmland has been fully supplemented with water, the time for irrigation is set to be longer than the time for drainage, so that the farmland can be fully supplemented with water during drought.
Optionally, the method for monitoring drought and flood in the farmland further comprises the following steps:
when the river water is adopted for irrigation and the irrigation signal is output, judging whether the river water level value is larger than a preset liquid level threshold value or not, and if not, outputting an alarm signal;
based on the alarm signal, an alarm action is executed.
By adopting the technical scheme, the liquid level value of the river is judged before irrigation, so that the condition that the farmland cannot be irrigated or the irrigation is not finished and the irrigation is stopped is avoided.
Optionally, the method for monitoring drought and flood in the farmland further comprises the following steps:
when the farmland is irrigated by adopting well water, water using requests of other users are obtained;
based on the water request, the well water is used for irrigating other farmlands.
By adopting the technical scheme, one well has multiple purposes and is beneficial to the people.
Optionally, the method for monitoring drought and flood in the farmland further comprises the following steps:
acquiring the irrigation time of well water for irrigating other farmlands;
and outputting prompt information to the users belonging to the well according to a preset prompt rule based on the irrigation duration.
By adopting the technical scheme, the user belonging to the well can know the service life of the well in time.
In a second aspect, the application provides a farmland drought and flood monitoring system, which adopts the following technical scheme:
a farmland drought and flood monitoring system comprises:
the moisture value detection modules are respectively arranged at two ends and two sides of the farmland and are used for detecting moisture at the corresponding farmland and outputting a moisture value;
the moisture value acquisition module is used for acquiring four moisture values;
the comparison module is used for comparing the four moisture values to obtain the maximum moisture value and the minimum moisture value;
the judging module is used for judging whether the maximum moisture value is smaller than or equal to a preset first moisture threshold value or not, and if so, outputting an irrigation signal;
the irrigation and drainage component is used for receiving and responding to the irrigation signal so as to irrigate farmland corresponding to the moisture value according to the priority from small to large of the moisture value;
the judging module is further used for judging whether the minimum moisture value is larger than a preset second moisture threshold value or not, and if so, outputting a drainage signal, wherein the second moisture threshold value is larger than the first moisture threshold value;
the irrigation and drainage assembly is used for receiving and responding to the drainage signal so as to drain the farmland corresponding to the moisture value according to the priority from large to small of the moisture value.
By adopting the technical scheme, the moisture value detection module detects the moisture content of two ends and two sides of a farmland and outputs the moisture value to the comparison module, the comparison module compares the four moisture values to obtain a maximum moisture value and a minimum moisture value, then the judgment module judges whether the maximum moisture value is less than or equal to a first moisture threshold value, if so, an irrigation signal is output to the irrigation and drainage assembly, and the irrigation and drainage assembly receives and responds to the irrigation signal to irrigate the farmland corresponding to the moisture value according to the priority level of the moisture value from small to large; in addition, the judging module judges whether the minimum moisture value is larger than a second moisture threshold value or not, if so, a drainage signal is output to the irrigation and drainage assembly, and the irrigation and drainage assembly drains the farmland corresponding to the moisture value according to the priority of the moisture value from large to small;
because the farmland is in when the arid, irrigates and the drainage subassembly can irrigate in time, and when the farmland was in the waterlogging, irrigate and the drainage subassembly can in time be drained water, consequently reduces the impaired time in farmland.
Optionally, the irrigation and drainage assembly includes four irrigation pipes, the four irrigation pipes are respectively and correspondingly installed at two ends and two sides of a farmland, and the four irrigation pipes are sequentially connected to each other at the head; the four irrigation pipes are provided with water outlet holes, and the four irrigation pipes are provided with conduction components for opening and closing the water outlet holes; one of the irrigation pipes is communicated with a water inlet pipe, the water inlet pipe is communicated with a water suction pump, and a water inlet of the water suction pump is communicated with a water suction pipe; the judgment module is respectively connected with the four conduction components and the water suction pump, and is used for controlling the conduction of the water suction pump and the conduction components based on the irrigation signals.
Optionally, the irrigation and drainage assembly further comprises a filter screen, and the filter screen is installed at the water suction pipe inlet and the water outlet of the irrigation pipe.
Through adopting above-mentioned technical scheme, when the suction pump pumped river water or well water or took out the water in the farmland, the filter screen can block great debris and get into in drinking-water pipe or the irrigation pipe to the life of extension irrigation and drainage subassembly.
In summary, the present application has at least the following beneficial effects:
1. the purpose of obtaining the moisture values at the two ends and two sides of the farmland and judging whether the maximum moisture value is less than or equal to the first moisture threshold value and whether the minimum moisture value is greater than the second moisture threshold value is to irrigate in time when the farmland is in drought and drain water in time when the farmland is in waterlogging, thereby reducing the damage time of the farmland.
2. The purpose of judging whether the river water level value is greater than the liquid level threshold value is to judge the river water level value before irrigation, so that the situation that the farmland cannot be irrigated or the irrigation is not finished and the irrigation is stopped is avoided.
3. When the farmland is irrigated by adopting well water, the purpose of acquiring water use requests of other users is that one well has multiple purposes and is beneficial to the people.
Drawings
FIG. 1 is a flow chart of irrigation according to an embodiment of the method of the present application;
FIG. 2 is a flow chart of water drainage in an embodiment of the method of the present application;
FIG. 3 is a flow chart of an embodiment of the method of the present application for irrigation with river water;
FIG. 4 is a flow chart of an embodiment of the method of the present application for irrigation with well water;
FIG. 5 is a block diagram of an embodiment of the system of the present application;
FIG. 6 is a schematic view of the overall construction of the irrigation and drainage assembly of FIG. 5;
FIG. 7 is a block diagram of an embodiment of the system of the present application when irrigating with river water;
FIG. 8 is a block diagram of an embodiment of the system of the present application in irrigation with well water.
Description of reference numerals: 110. a moisture value detection module; 120. a moisture value acquisition module; 130. a comparison module; 140. a judgment module; 150. an irrigation and drainage assembly; 151. an irrigation pipe; 152. a water inlet pipe; 153. a water pump; 154. a water pumping pipe; 155. a water outlet hole; 156. a conducting member; 1561. an electric push rod; 1562. a shutter plate; 157. a filter screen; 160. a liquid level detection module; 170. an alarm module; 180. a fingerprint and face recognition panel; 190. a water request acquisition module; 210. an electromagnetic directional valve; 220. a duration acquisition module; 230. and a prompt module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 8 of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the application discloses a farmland drought and flood monitoring method which is realized based on a farmland drought and flood monitoring system. Referring to fig. 1 and 2, as an embodiment of the monitoring method, steps S110 to S160 may be included:
s110, acquiring moisture values at two ends and two sides of a farmland;
the acquisition can be real-time acquisition or intermittent acquisition, if the acquisition is intermittent, the acquisition can be performed every 5min, and the specific intermittent time can be set by a user.
S120, comparing the four moisture values to obtain a maximum moisture value and a minimum moisture value;
s130, judging whether the maximum moisture value is smaller than or equal to a preset first moisture threshold value or not, and if so, outputting an irrigation signal;
if the maximum moisture value is less than or equal to the first moisture threshold, the remaining 3 moisture values are also proven to be less than or equal to the first moisture threshold.
S140, irrigating farmlands corresponding to the moisture values according to the priority level from small to large of the moisture values based on the irrigation signals;
for example, the moisture value of farmland one end is greater than the moisture value of the farmland other end, and the moisture value of the farmland other end is greater than the moisture value of farmland one side, and the moisture value of farmland one side is greater than the moisture value of farmland opposite side, and then the moisture value of farmland one end is the biggest, and the moisture value of farmland opposite side is minimum, when irrigating the farmland, irrigates the farmland opposite side earlier, and then irrigates farmland one side again, and then irrigates the farmland other end again, irrigates farmland one end at last.
S150, judging whether the minimum moisture value is larger than a preset second moisture threshold value or not, and if so, outputting a drainage signal; wherein the second moisture threshold is greater than the first moisture threshold;
if the minimum moisture value is greater than the second moisture threshold, the remaining three moisture values are also greater than the second moisture threshold.
And S160, based on the drainage signal, draining the farmland corresponding to the moisture value according to the priority of the moisture value from large to small.
For example, the moisture value of farmland one end is greater than the moisture value of the farmland other end, the moisture value of the farmland other end is greater than the moisture value of farmland one side, the moisture value of farmland one side is greater than the moisture value of farmland other side, then the moisture value of farmland one end is the biggest, the moisture value of farmland other side is the minimum, when draining the farmland, earlier drain off water to farmland one end, then drain off water to the farmland other end again, then drain off water to farmland one side again, finally drain off water to the farmland other side.
It should be noted that if steps S130 and S150 are performed simultaneously, the steps S130 to S140 may be performed first, and then step S150 may be performed, or steps S150 to S160 may be performed first, and then steps S130 to S140 may be performed on two processors, or on one processor.
As another embodiment of the farmland drought and flood monitoring method, the method can comprise the steps of S210-S230:
s210, if the maximum moisture value is larger than a first moisture threshold value, sequentially comparing the rest moisture values with the first moisture threshold value to obtain a moisture value smaller than or equal to the first moisture threshold value; wherein the maximum moisture value is less than a second moisture threshold;
if the maximum moisture value is larger than the first moisture threshold value, the farmland is not dry, so the other three moisture values are compared with the first moisture threshold value, and the moisture value smaller than or equal to the first moisture threshold value is obtained.
S220, irrigating farmlands corresponding to the acquired moisture values smaller than or equal to the first moisture threshold value according to the priority of the moisture values from small to large;
for example, the three moisture values are all less than or equal to the first moisture threshold, and the three moisture values correspond to the other end of the field, one side of the field, and the other side of the field, respectively; and the moisture value of the other end of the farmland is greater than the moisture value of one side of the farmland, and the moisture value of one side of the farmland is greater than the moisture value of the other side of the farmland, so that during irrigation, the other side of the farmland is irrigated first, then one side of the farmland is irrigated, and finally the other end of the farmland is irrigated.
And S230, stopping irrigation when the acquired moisture values which are less than or equal to the first moisture threshold value are all greater than the first moisture threshold value.
As another embodiment of the farmland drought and flood monitoring method, the method can comprise the steps of S310-S330:
s310, if the minimum moisture value is less than or equal to the second moisture threshold, comparing the rest moisture values with the second moisture threshold in sequence to obtain a moisture value greater than the second moisture threshold; wherein the minimum moisture value is greater than a first moisture threshold;
if the minimum moisture value is less than or equal to the second moisture threshold value, the farmland does not waterlog, and therefore the remaining three moisture values are compared with the second moisture threshold value, and the moisture value greater than the second moisture threshold value is obtained.
S320, draining the farmland corresponding to the acquired moisture value larger than the second moisture threshold value according to the priority of the moisture value from large to small;
for example, the three moisture values are all greater than the second moisture threshold, and the three moisture values correspond to the other end of the farmland, one side of the farmland and the other side of the farmland respectively; and the water value of the other end of the farmland is larger than the water value of one side of the farmland, and the water value of one side of the farmland is larger than the water value of the other side of the farmland, so that when water is drained, the water is drained from the other end of the farmland, then the water is drained from one side of the farmland, and finally the water is drained from the other side of the farmland.
And S330, stopping draining when the acquired moisture values larger than the second moisture threshold value are all smaller than or equal to the second moisture threshold value.
In addition, it should be noted that, the time interval for irrigation according to the priority of the moisture value from small to large can be set to Xmin;
the time interval for draining according to the priority of the moisture value from large to small can be set as Ymin; wherein X is greater than Y, and X and Y are both positive integers greater than 0.
For example, setting X to be 5min and Y to be 3min, wherein the moisture value of one end of the farmland is greater than the moisture value of the other end of the farmland, the moisture value of the other end of the farmland is greater than the moisture value of one side of the farmland, and the moisture value of one side of the farmland is greater than the moisture value of the other side of the farmland, so when irrigating, the other side of the farmland is irrigated first, after 5min, one side of the farmland is irrigated, after 5min, the other end of the farmland is irrigated, and after 5min, one end of the farmland is irrigated. During drainage, one end of the farmland is drained firstly, after 4min, the other end of the farmland is drained, after 4min, one side of the farmland is drained, and after 4min, the other side of the farmland is drained.
Referring to fig. 3, as another embodiment of the method for monitoring drought and flood in an agricultural field, the method may include steps S410-S420:
s410, when the river water is adopted for irrigation and an irrigation signal is output, judging whether the river water level value is larger than a preset liquid level threshold value or not, and if not, outputting an alarm signal;
and S420, executing an alarm action based on the alarm signal.
Referring to fig. 4, as another embodiment of the method for monitoring drought and flood in an agricultural field, the method may include steps S510-S520:
s510, acquiring water use requests of other users when the farmland is irrigated by well water;
and S520, irrigating other farmlands by well water based on the water use request.
The well is the current user, when other users use the well, the water request needs to be sent, and after the water request is obtained, the well water can irrigate other farmlands; the step of sending the water using request can be that the fingerprints or faces of other users are compared with the fingerprints or faces of all users nearby, which are recorded in advance, and if the fingerprints or faces are matched with the fingerprints or faces of all users nearby, the water using request is obtained; all users nearby refer to users corresponding to the farmland to which the well belongs.
The farmland drought and flood monitoring method can also comprise the steps of S530-S540;
s530, acquiring irrigation duration of well water for irrigating other farmlands;
and S540, outputting prompt information to the users to which the wells belong according to a preset prompt rule based on the irrigation duration.
The prompt rule can be that prompt information is output every Zh, wherein Z is a positive integer greater than 0, and the value of Z can be set by a user belonging to the well.
The implementation principle of the embodiment of the application is as follows:
acquiring water content values at two ends and two sides of a farmland, comparing the four water content values to obtain a maximum water content value and a minimum water content value, judging whether the maximum water content value is less than or equal to a first water content threshold value, and if so, outputting an irrigation signal; meanwhile, if river water is adopted for irrigation, judging whether the level value of the river water is greater than a liquid level threshold value, if so, irrigating the farmland according to the priority of the moisture value from small to large; and judging whether the minimum moisture value is larger than a second moisture threshold value or not, if so, outputting a drainage signal, and then draining the farmland according to the priority from the large moisture value to the small moisture value on the basis of the drainage signal.
Based on the foregoing method embodiment, another embodiment of the present application provides a monitoring system for drought and flood in an agricultural field, and with reference to fig. 5, as an implementation manner of the monitoring system, the monitoring system may include:
a moisture value detection module 110 respectively installed at both ends and both sides of the farmland, for detecting moisture at the corresponding farmland and outputting a moisture value;
a moisture value acquisition module 120 for acquiring four moisture values;
a comparison module 130 for comparing the four moisture values to obtain a maximum moisture value and a minimum moisture value;
the judging module 140 is configured to judge whether the maximum moisture value is less than or equal to a preset first moisture threshold, and if so, output an irrigation signal;
the irrigation and drainage component 150 is used for receiving and responding to the irrigation signal so as to irrigate farmland corresponding to the moisture value according to the priority from small to large of the moisture value;
the determining module 140 is further configured to determine whether the minimum moisture value is greater than a preset second moisture threshold, and if so, output a drainage signal, where the second moisture threshold is greater than the first moisture threshold;
the irrigation and drainage assembly 150 is configured to receive and respond to a drainage signal to drain the field corresponding to the moisture value in a priority order of increasing moisture value to decreasing moisture value.
The moisture value detecting module 110 may be a soil moisture sensor, and the comparing module 130 may be a comparator, or may be integrated by a program as the determining module 140.
Referring to fig. 6, as an embodiment of the irrigation and drainage assembly 150, the irrigation and drainage assembly 150 may include four irrigation pipes 151, the four irrigation pipes 151 are respectively embedded at two ends and two sides of a farmland, and the four irrigation pipes 151 are sequentially connected at the head; the four irrigation pipes 151 are all provided with water outlet holes 155, and the four irrigation pipes 151 are all provided with conduction components 156 for opening and closing the corresponding water outlet holes 155; one of the irrigation pipes 151 is communicated with a water inlet pipe 152, the water inlet pipe 152 is communicated with a water suction pump 153, and a water inlet of the water suction pump 153 is communicated with a water suction pipe 154; the determination module 140 is connected to the four conducting components 156 and the water pump 153, respectively, and is configured to control conduction of the water pump 153 and the conducting components 156 based on the irrigation signal.
In addition, in order to prolong the service life of the irrigation and drainage assembly 150, the irrigation and drainage assembly 150 further comprises a filter 157, and the filter 157 is installed at the inlet of the water suction pipe 154 and the water outlet 155 of the irrigation pipe 151.
As an embodiment of the conducting member 156, the conducting member 156 may include an electric push rod 1561 and an opening and closing plate 1562, wherein the telescopic end of the electric push rod 1561 is fixedly connected with the opening and closing plate 1562, the fixed end of the electric push rod 1561 is mounted on the irrigation pipe 151 through a bolt, and the opening and closing plate 1562 is slidably connected with the irrigation pipe 151 for opening and closing the water outlet 155. The electric push rod 1561 is connected to the determination module 140.
In addition, referring to fig. 7, as another embodiment of the monitoring system for drought and flood in an agricultural field, the monitoring system may further include:
the liquid level detection module 160 is installed in a river and used for detecting the liquid level of river water in real time and outputting the liquid level value of the river water;
and an alarm module 170 for receiving and responding to the alarm signal to perform an alarm action. When the river water is used for irrigation and the judging module 140 outputs an irrigation signal to the irrigation and drainage assembly 150, the judging module 140 judges whether the river water level value is greater than a preset level threshold value, and if not, outputs an alarm signal to the alarm module 170.
The liquid level detecting module 160 may be a liquid level sensor, and the alarm module 170 may be an audible and visual alarm installed at a user.
Referring to fig. 8, as another embodiment of the monitoring system for drought and flood in an agricultural field, the monitoring system may further include:
the fingerprint and face recognition panel 180 is installed at a well, and is used for collecting fingerprint information or face information of other users when a farmland is irrigated by using well water, the judgment module 140 judges whether the fingerprint information or the face information is matched with a fingerprint in a fingerprint library or a face in a face library which is input in advance, and if so, a water using request is output;
a water request obtaining module 190, configured to obtain the water request; wherein, the water demand obtaining module 190 may be integrated by a program;
and the electromagnetic directional valve 210 is arranged on the water inlet pipe 152, is communicated with the other irrigation and drainage assembly 150, and realizes the direction change of the well water based on the water use request, so that the well water irrigates other farmlands.
In addition, the monitoring system may further include:
the duration obtaining module 220 is used for obtaining the irrigation duration of well water for irrigating other farmlands;
and the prompting module 230 outputs prompting information to the user to which the well belongs according to a preset prompting rule based on the irrigation time length.
The duration obtaining module 220 may be a timer, and the prompting module 230 may be a device with a prompting function, such as a voice alarm, and the device and the timer may be installed at the user.
The implementation principle of the embodiment is as follows:
the moisture value detection module 110 detects moisture contents at two ends and two sides of a farmland and outputs moisture values to the comparison module 130, the comparison module 130 compares four moisture values to obtain a maximum moisture value and a minimum moisture value, then the judgment module 140 judges whether the maximum moisture value is less than or equal to a first moisture threshold value, if so, an irrigation signal is output to the irrigation and drainage assembly 150, meanwhile, if river water is adopted for irrigation, the judgment module 140 judges whether a river water level value output by the liquid level detection module 160 is greater than a liquid level threshold value, if so, the irrigation and drainage assembly 150 responds to the irrigation signal to irrigate the farmland according to the priority level of the moisture value from small to large; in addition, the determination module 140 determines whether the minimum moisture value is greater than the second moisture threshold, and if so, outputs a drainage signal to the irrigation and drainage assembly 150, and the irrigation and drainage assembly 150 drains the farmland according to the priority of the moisture value from large to small.
The foregoing is a preferred embodiment in its own right and not intended to limit the scope of the application, and any feature disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (10)
1. A farmland drought and flood monitoring method is characterized by comprising the following steps:
acquiring water content values at two ends and two sides of a farmland;
comparing the four moisture values to obtain a maximum moisture value and a minimum moisture value;
judging whether the maximum moisture value is smaller than or equal to a preset first moisture threshold value or not, and if so, outputting an irrigation signal;
based on the irrigation signal, irrigating farmlands corresponding to the moisture values according to the priority of the moisture values from small to large;
judging whether the minimum moisture value is larger than a preset second moisture threshold value or not, and if so, outputting a drainage signal; wherein the second moisture threshold is greater than the first moisture threshold;
and based on the drainage signal, draining the farmland corresponding to the moisture value according to the priority of the moisture value from large to small.
2. The method for monitoring drought and flood in an agricultural field according to claim 1, further comprising:
if the maximum moisture value is larger than the first moisture threshold, sequentially comparing the rest moisture values with the first moisture threshold to obtain the moisture value smaller than or equal to the first moisture threshold;
irrigating farmlands corresponding to the acquired moisture values which are smaller than or equal to the first moisture threshold value according to the priority of the moisture values from small to large;
stopping irrigation when the moisture values obtained that are less than or equal to the first moisture threshold are all greater than the first moisture threshold.
3. The method for monitoring drought and flood in an agricultural field according to claim 1, further comprising:
if the minimum moisture value is less than or equal to the second moisture threshold, sequentially comparing the remaining moisture values with the second moisture threshold to obtain the moisture value greater than the second moisture threshold;
draining the farmland corresponding to the obtained moisture value larger than the second moisture threshold value according to the priority from large to small of the moisture value;
and stopping draining when the acquired moisture values which are larger than the second moisture threshold value are all smaller than the second moisture threshold value.
4. The method for monitoring drought and flood in agricultural land according to any one of claims 1 to 3, wherein the time interval for irrigation according to the priority of the water content value from small to large is set as Xmin;
the time interval for draining according to the priority from large to small of the moisture value is set as Ymin; wherein X is greater than Y.
5. The method for monitoring drought and flood in an agricultural field according to claim 4, further comprising:
when the irrigation signal is output, judging whether the river water level value is greater than a preset liquid level threshold value, and if not, outputting an alarm signal;
based on the alarm signal, an alarm action is executed.
6. The method for monitoring drought and flood in an agricultural field according to claim 4, further comprising:
when the farmland is irrigated by adopting well water, water using requests of other users are obtained;
based on the water request, the well water is used for irrigating other farmlands.
7. The farmland drought and flood monitoring method according to claim 6, characterized by further comprising:
acquiring the irrigation time of well water for irrigating other farmlands;
and outputting prompt information to the users belonging to the well according to a preset prompt rule based on the irrigation duration.
8. A farmland drought and flood monitoring system is characterized by comprising:
the moisture value detection modules (110) are respectively arranged at two ends and two sides of the farmland and are used for detecting moisture at the corresponding farmland and outputting moisture values;
a moisture value acquisition module (120) for acquiring four of the moisture values;
a comparison module (130) for comparing the four moisture values to obtain a maximum moisture value and a minimum moisture value;
the judging module (140) is used for judging whether the maximum moisture value is smaller than or equal to a preset first moisture threshold value or not, and if so, an irrigation signal is output;
an irrigation and drainage assembly (150) for receiving and responding to the irrigation signal to irrigate farmland corresponding to the moisture value according to the priority of the moisture value from small to large;
the judging module (140) is further configured to judge whether the minimum moisture value is greater than a preset second moisture threshold, and if so, output a drainage signal, where the second moisture threshold is greater than the first moisture threshold;
the irrigation and drainage assembly (150) is used for receiving and responding to the drainage signal so as to drain farmland corresponding to the moisture value according to the priority of the moisture value from large to small.
9. The farmland drought and flood monitoring system as claimed in claim 8, wherein the irrigation and drainage assembly (150) comprises four irrigation pipes (151), the four irrigation pipes (151) are correspondingly arranged at two ends and two sides of the farmland, and the four irrigation pipes (151) are sequentially connected with one another at the head; water outlet holes (155) are formed in the four irrigation pipes (151), and conducting parts (156) for opening and closing the corresponding water outlet holes (155) are arranged on the four irrigation pipes (151); one of the irrigation pipes (151) is communicated with a water inlet pipe (152), the water inlet pipe (152) is communicated with a water suction pump (153), and a water inlet of the water suction pump (153) is communicated with a water suction pipe (154); the judging module (140) is respectively connected with the four conducting parts (156) and the water pump (153), and is used for controlling the conduction of the water pump (153) and the conducting parts (156) based on the irrigation signal.
10. The farmland drought and flood monitoring system according to claim 9, wherein the irrigation and drainage assembly (150) further comprises a filter screen (157), the filter screen (157) being mounted at the inlet of the water suction pipe (154) and the water outlet hole (155) of the irrigation pipe (151).
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| CN202210096684.4A CN114467716A (en) | 2022-01-26 | 2022-01-26 | Farmland drought and waterlogging monitoring method and system |
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| CN202210096684.4A CN114467716A (en) | 2022-01-26 | 2022-01-26 | Farmland drought and waterlogging monitoring method and system |
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Application publication date: 20220513 |