CN210671580U - Intelligent environment-friendly drip irrigation control system for wall greening maintenance - Google Patents
Intelligent environment-friendly drip irrigation control system for wall greening maintenance Download PDFInfo
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- CN210671580U CN210671580U CN201921648681.7U CN201921648681U CN210671580U CN 210671580 U CN210671580 U CN 210671580U CN 201921648681 U CN201921648681 U CN 201921648681U CN 210671580 U CN210671580 U CN 210671580U
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Abstract
The utility model belongs to the technical field of control systems, in particular to an intelligent environment-friendly drip irrigation control system for wall greening maintenance, which comprises a water supply pipe, a controller, constant-pressure frequency conversion equipment, a water pump and a plurality of drip pipes; one end of the water supply pipe is a water inlet end which is fixedly connected with a water outlet of the water pump; the water dripping pipes are all communicated with a water supply pipe; the water pump is electrically connected with the constant-voltage variable-frequency equipment; the water pump and the constant-voltage variable-frequency equipment are electrically connected with the controller; the soil humidity detection device also comprises a detection unit, a controller and a control unit, wherein the detection unit is used for detecting the soil humidity and is electrically connected with the controller; the controller is used for controlling the constant-voltage variable-frequency equipment, the water pump and the battery valve to work according to the electric signals of the detection unit. By using the system, the plant can be irrigated in time when the soil humidity is too low and the plant needs to be irrigated by drip irrigation.
Description
Technical Field
The utility model belongs to the technical field of control system, especially, relate to an intelligence environmental protection drip irrigation control system for wall afforestation maintenance.
Background
At present, a drip irrigation system is generally adopted for maintaining wall greening, and drip irrigation and maintenance are carried out on the wall greening through water holes formed in the bottom of a water outlet pipe. The drip irrigation technology has the excellent water-saving characteristic, and the water utilization rate can reach more than 95%.
However, during drip irrigation, if the water pressure of the supplied water is unstable, the stable drip irrigation speed cannot be maintained, so that the drip irrigation speed is slow when the water shortage of the plants is serious, the plants cannot obtain enough water, or the drip irrigation speed is high when the water shortage of the plants is not existed, and the water resource is wasted.
In view of this, a constant pressure irrigation system has appeared, and the constant pressure irrigation is an irrigation water supply method in which the irrigation water pressure is constant in an optimal water pressure range and does not change due to the change in the irrigation water flow rate. It has the characteristics of high irrigation uniformity, difficult damage to pipeline equipment, water saving and energy saving.
For example, patent with publication number CN107047235A discloses a high-efficiency water-saving irrigation system device, which comprises a water supply pipe, a water pump, a pressure gauge, a controller, a constant-pressure frequency conversion device and a plurality of water dropping pipes; one end of the water supply pipe is a water inlet end, and a water pump is fixedly arranged at the water inlet end; the water dripping pipes are communicated with a water supply pipe, each water dripping pipe is provided with an electromagnetic valve, and the battery valves are electrically connected with the controller; the water pump and the pressure gauge are electrically connected with the constant-pressure frequency conversion equipment.
This patent is at the working process, through manometer and constant voltage frequency conversion equipment, can keep hydraulic stability. When the product of this patent is used, set for water pressure after, the system can be according to the water pressure that sets for carry moisture in to the drip irrigation pipe, water pressure uniformity when having promoted drip irrigation.
However, the existing irrigation systems spray water regularly, that is, the frequency of spraying water is set in the controller, and after a certain time interval, the controller can control the system to drip irrigation. Therefore, although the frequency of water spraying can be adjusted by workers according to the weather condition, the frequency of water spraying is matched with the climate environment as much as possible. However, in many cases, the system is used for drip irrigation when the plant does not need water supplement, or the system is used for drip irrigation in time when the plant needs water supplement, and the conditions are not favorable for the healthy growth of the plant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, a control system is driped irrigation in intelligence environmental protection for wall afforestation maintenance is provided.
The utility model provides a basic scheme does:
an intelligent environment-friendly drip irrigation control system for wall greening maintenance comprises a water supply pipe, a controller, constant-pressure variable-frequency equipment, a water pump and a plurality of drip pipes; one end of the water supply pipe is a water inlet end which is fixedly connected with a water outlet of the water pump; the water dripping pipes are all communicated with a water supply pipe; the water pump is electrically connected with the constant-voltage variable-frequency equipment; the water pump and the constant-voltage variable-frequency equipment are electrically connected with the controller;
the soil humidity detection device also comprises a detection unit, a controller and a control unit, wherein the detection unit is used for detecting the soil humidity and is electrically connected with the controller;
the controller is used for controlling the constant-voltage frequency conversion equipment and the water pump to work according to the electric signals of the detection unit.
Basic scheme theory of operation and beneficial effect:
the detecting element detects soil moisture, when detecting that soil moisture hangs down and need drip irrigation the plant, the detecting element sends the signal of telecommunication for the controller, and after the controller received the signal of telecommunication that the detecting element sent, control constant voltage frequency conversion equipment and water pump work, drip irrigation the plant. Compared with the prior art, the drip irrigation device can timely drip irrigation the plants when the soil humidity is too low and the plants need to drip irrigation. Meanwhile, the condition that the humidity value of the soil is high and the plants are subjected to drop irrigation when the plants do not need the drop irrigation can be avoided.
Further, the detection unit comprises a soil moisture detection circuit, the soil moisture detection circuit comprises an actual voltage acquisition circuit, a reference voltage generation circuit and a comparator, an output port of the actual voltage acquisition circuit is electrically connected with a second input port of the comparator, a second output port of the reference voltage generation circuit is electrically connected with a first input port of the comparator, and an output port of the comparator is electrically connected with an input interface of the controller.
Gather the moisture content in the soil through actual voltage acquisition circuit, later, with the voltage of actual voltage acquisition circuit delivery outlet, compare with the voltage of reference voltage generation circuit delivery outlet, like this, can know whether the moisture content in the soil is crossed lowly. When the soil moisture content is too low, the output end of the comparator can output a corresponding level signal to the controller, and after the controller receives the signal, the system can be controlled to carry out drip irrigation, so that the automatic drip irrigation of the system is realized.
Furthermore, the actual voltage acquisition circuit is a voltage division circuit consisting of two insertion pieces and a first resistor.
The circuit is simple in circuit, convenient to manufacture, low in used material and low in cost.
Furthermore, the controller is provided with a digital-to-analog conversion interface, and the output port of the actual voltage acquisition circuit is electrically connected with the digital-to-analog conversion interface of the controller.
Therefore, after the data of the output port of the actual voltage acquisition circuit is converted into the numerical value signal, the concrete numerical value of the soil humidity value can be intuitively known.
Further, the device also comprises a timing unit and an alarm unit; the starting end of the timing unit is electrically connected with the output interface of the controller, and the output end of the timing unit is electrically connected with the input interface of the controller; the alarm unit is electrically connected with the output interface of the controller.
Like this, can inspect the effect of sprinkling irrigation through the timing unit, if after the timing unit, the moisture content of soil does not improve, then the steerable alarm unit of controller reports to the police. The staff is notified to perform the overhaul.
Further, the alarm unit is an audible and visual alarm.
Audible-visual annunciator's warning effect is stronger, can arouse staff's attention fast.
Furthermore, the water inlet end of the water supply pipe is fixedly provided with a filtering mechanism.
The filtering mechanism can filter out large-particle impurities in water, so that the dropping hole on the dropping pipe can be prevented from being blocked.
Furthermore, the water dripping pipe is provided with a water dripping hole, and a dustproof ring is fixedly arranged at the orifice of the water dripping hole.
Thus, it is possible to prevent dust from entering the drip holes from the outside, causing clogging of the drip holes.
Further, the water supply device also comprises a pressure detection meter, wherein the pressure detection meter is connected to the water supply pipe through a flange and used for detecting the water pressure in the water supply pipe, and the pressure detection meter is electrically connected with the controller.
Thus, it is possible to know whether the water pressure in the water supply pipe reaches the preset water pressure.
Further, the controller is a PLC controller.
Compared with a single chip microcomputer, the PLC has the advantages of strong anti-interference capability, low failure rate, easiness in equipment expansion and convenience in maintenance.
Drawings
FIG. 1 is a schematic structural view of a first embodiment of the intelligent environment-friendly drip irrigation control system for wall greening maintenance of the present invention;
FIG. 2 is a logic block diagram of a first embodiment of the intelligent environmental drip irrigation control system for wall greening maintenance of the present invention;
FIG. 3 is a circuit diagram of a detection unit in the first embodiment of the intelligent environment-friendly drip irrigation control system for wall greening maintenance of the present invention;
fig. 4 is a logic block diagram of the second embodiment of the intelligent environment-friendly drip irrigation control system for wall greening maintenance.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the water supply device comprises a water supply pipe 1, a water dripping pipe 2, a water pump 3, a filter screen 4, a pressure detection meter 5, a first resistor R1, an output port AC, a second output port IN, an inserting piece J1 and a slide rheostat R6.
Example one
As shown in fig. 1 and 2, the intelligent environment-friendly drip irrigation control system for wall greening and maintenance comprises a water supply pipe 1, a controller, a constant-pressure frequency conversion device, three drip pipes 2 and a pressure detection meter 5; the left end of the water supply pipe 1 is a water inlet end which is sleeved with a water outlet of the water pump 3, and the three drip pipes 2 are all communicated with the water supply pipe 1; the water pump 3 is electrically connected with constant-voltage frequency conversion equipment; the water pump 3 and the constant-pressure frequency conversion equipment are electrically connected with the controller.
In this embodiment, the constant-pressure frequency conversion device is an ABB frequency conversion device, and the power of the water pump 3 can be automatically adjusted according to the set water pressure.
The water inlet end of the water supply pipe 1 is fixedly provided with a filtering mechanism, in this embodiment, the filtering mechanism is a filtering net 4, and the filtering net 4 is fixed at the water inlet end of the water supply pipe 1 by bolts. The filter screen 4 can prevent the dropping hole on the drip pipe 2 from being blocked by large-particle impurities with the filtering of the large-particle impurities in water.
Besides, a dustproof ring is adhered to the dripping hole of the dripping pipe 2. Thus, it is possible to prevent dust from entering the drip holes from the outside, causing clogging of the drip holes.
The soil moisture tester also comprises a detection unit for detecting soil moisture, and the detection unit is electrically connected with the controller.
The controller is used for controlling the constant-voltage frequency conversion equipment, the water pump 3 and the battery valve to work according to the electric signals of the detection unit. In this embodiment, the controller is a PLC controller, and the type is a PLC with a digital-to-analog conversion interface, which is commonly used in the market for performing sprinkling irrigation or drip irrigation.
As shown IN fig. 3, the detection unit includes a soil moisture detection circuit, the soil moisture detection circuit includes an actual voltage acquisition circuit, a reference voltage generation circuit and a comparator, a second output port IN of the reference voltage generation circuit is electrically connected to a first input port of the comparator, an output port AC of the actual voltage acquisition circuit is electrically connected to a second input port of the comparator, and an output port of the comparator is electrically connected to an input interface of the controller.
The actual voltage acquisition circuit is a voltage division circuit consisting of two insertion pieces J1 and a first resistor R1, specifically, two insertion pieces J1 and a first resistor R1 are connected in series between a power supply end and a ground end, and a connecting point of the two insertion pieces J1 and the first resistor is electrically connected with a second input port of the comparator. And the output port AC of the actual voltage acquisition circuit is also electrically connected with a digital-to-analog conversion interface of the controller.
The reference voltage generating circuit is characterized IN that a power end and a ground end are connected with a slide rheostat R6, and a slide end of the slide rheostat R6, namely a second output port IN, is electrically connected with the first input interface of the comparator.
After the two inserting pieces J1 are inserted into soil, the voltage value divided in the actual voltage acquisition circuit is output by using the output port AC port of the actual voltage acquisition circuit, when the soil humidity is low, the resistance between the probes is close to infinity, the value of the output port AC is equivalent to a VCC value, when the soil humidity is high, the resistance between the two inserting pieces J1 can be reduced to thousands or even hundreds of ohms, and the voltage of the output port AC can be changed.
The comparator outputs a standard voltage value through the actual voltage acquisition circuit, the comparator can learn the humidity condition of the soil through comparing the value of the output port AC and the standard voltage value, and when the soil humidity is small (the voltage value of the output port AC is large), the comparator outputs a high level. After the controller receives the high-level signal, the controller controls the constant-voltage variable-frequency equipment, the water pump 3 and the electromagnetic valve to work, and the plants are subjected to drop irrigation. Therefore, when the soil humidity is too low and the plants need to be subjected to drop irrigation, the plants can be subjected to drop irrigation in time. Meanwhile, the condition that the plant is subjected to drip irrigation when the humidity value of the soil is high and the plant is not required to be subjected to drip irrigation can be avoided.
Because the output port AC of the voltage acquisition circuit is also electrically connected with the digital-to-analog conversion interface of the controller, the working personnel can check the real-time soil humidity condition through the controller. If the condition that the soil humidity is low but the system is not drip-irrigation occurs, the staff can correct the parameters of the system.
The pressure detection meter 5 is connected with the flange of the water supply pipe 1 through a three-way pipe, and the pressure detection meter 5 is electrically connected with the controller. Thus, it is possible to know whether the water pressure at the time of water supply reaches the preset water pressure. In this embodiment, the pressure detection table 5 is an exxon brand YTZ-150B model.
Example two
As shown in fig. 4, different from the first embodiment, the present embodiment further includes a timing unit and an alarm unit.
In the embodiment, the timing unit is a 555 timer, the 555 timer has mature technology, good compatibility, low cost, multiple acquisition channels and convenient installation, use and replacement.
The starting end of the timing unit is electrically connected with the output interface of the controller, and the output end of the timing unit is electrically connected with the input interface of the controller; the alarm unit is electrically connected with the output interface of the controller.
In this embodiment, the timing unit is configured to count 15 minutes. When the controller controls the water pump 3 to work, an electric signal is sent to the timing unit at the same time, the timing unit starts timing, and after 15 minutes, the timing unit feeds back a signal to the controller and resets the signal. Thus, the controller can understand the improvement of the soil moisture value.
If the improvement condition of the soil moisture value is too low, for example, the improvement proportion is lower than 10%, the controller sends an electric signal to the alarm unit to let the working personnel know the condition. The data in the controller are compared, and the related program is the prior art and is not described herein again.
In the embodiment, the alarm unit is an LS-104 series audible and visual alarm produced by Shenzhen Lanxin Intelligent science and technology Limited, the audible and visual alarm is small in size and convenient to install, sounds loud, and is uniform in luminous brightness and lasting in luminous effect, and attention of workers can be attracted.
EXAMPLE III
The difference from the first embodiment is that the present embodiment further includes a pressurizing device, a filtering mechanism, and a cleaning mechanism.
A pressurizing device (such as a booster pump) is used for pressurizing the water source at the irrigation end. The filtering mechanism is arranged between the water source and the pressurizing device (namely the pressurizing pump).
The filter mechanism includes the shell and crosses the filter core, it includes first filter layer to cross the filter core, the second filter layer, the third filter layer, first filter layer, the second filter layer, the third filter layer sets up in turn, closely range is in the shell, first filter layer is the active carbon (in this embodiment, 2 mm's irregular granule is selected for use to the active carbon), the second filter layer is the medical stone granule (in this embodiment, the diameter is 2-3 mm's irregular granule for use to the medical stone granule), the third filter layer is the PP cotton (in this embodiment, the PP cotton that thickness is 2mm is selected for use to the PP cotton). The upper end of the shell is in threaded connection with a water outlet pipe, a shunt valve is mounted on the water outlet pipe, and the shunt valve is connected with a water inlet end flange of the pressurizing equipment.
The automatic water supply device is characterized by further comprising a control panel, wherein the control panel is electrically connected with the shunt valve, the water inlet valve, the inflation valve, the water discharge valve and the inflation pump, a control circuit is arranged on the control panel, and the control circuit comprises a control module and a driving module.
An inflation tube is communicated with a water outlet pipe between the water diversion valve and the shell, an inflation valve is installed on the inflation tube, and the inflation tube is connected with an air outlet pipe flange of the inflation pump. The lower end of the shell is in threaded connection with a water inlet pipe, a water inlet valve is mounted on the water inlet pipe, the water inlet valve is connected with a water source, and the water inlet valve is connected with a tap water pipe flange in the embodiment.
The water inlet pipe between the water inlet valve and the shell is communicated with a water outlet pipe, and the water outlet pipe is provided with a water outlet valve. In the initial state, the shunt valve, the water inlet valve, the inflation valve and the drain valve are all in the closed state.
During irrigation, before the control module controls the pressurizing device to be started, the control module sends a first driving signal to the driving module, the driving module controls the water inlet valve and the water dividing valve to be opened according to the first driving signal, tap water enters the filtering mechanism through the water inlet pipe, is filtered by the filtering mechanism and flows out of the water outlet pipe. When the control module controls the irrigation module to stop irrigating, the control module sends a first end signal to the driving module, and the driving module controls the water inlet valve and the water distribution valve to be closed according to the first end signal.
After the control module sends the first end signal to the driving module, the control module sends a second driving signal to the driving module and the inflator pump, the driving module controls the inflation valve and the drain valve to be opened successively according to the second driving signal, and the inflator pump is started after receiving the second driving signal. The inflation valve and the drain valve open the residual water in the filtering mechanism to flow back and flow out of the drain pipe, and the gas filled by the inflation pump is flushed out through the inflation pipe, the filtering mechanism and the drain pipe, so that the filtering mechanism is cleaned after each irrigation.
The filtering mechanism of this embodiment filters before irrigating, avoids impurity or ion in the running water to adhere to on the shower nozzle body, blocks up the hole that the shower nozzle body goes out water.
Example four
All clean filtering mechanism after irrigating at every turn, and clean at every turn all needs the water, leads to the waste of water resource from this, detects the water after filtering through setting up the quality of water sensor, when quality of water does not reach the requirement, cleans filtering mechanism again to reduce the waste of water resource.
The upper end of shell still installs the quality of water sensor, and the response position of quality of water sensor is located the shell, and the quality of water sensor is connected with the control panel electricity, and control circuit still includes data acquisition module, data analysis module, count module and reminds the module.
The water quality sensor is used for detecting the water quality in the water passing through the filtering mechanism and sending detection data to the control panel. The data acquisition module is used for acquiring detection data after each irrigation and sending the detection data to the data analysis module. The data analysis module is used for analyzing the detection data to generate an analysis result and comparing the analysis result with the water quality standard, when the analysis result exceeds the water quality standard (namely, the impurities in the filtering mechanism are too much and need to be cleaned), the data analysis module generates a cleaning signal and sends the cleaning signal to the control module, and when the analysis result reaches the water quality standard, the data analysis module generates a normal signal and sends the normal signal to the control module.
The control module receives the cleaning signal, sends a first finishing signal to the driving module, then sends a second driving signal to the driving module and the inflator pump, the driving module controls the inflation valve and the drain valve to be opened successively according to the second driving signal, and the inflator pump is started after receiving the second driving signal. The inflation valve and the drain valve open the residual water in the filtering mechanism to flow back and flow out of the drain pipe, and the gas filled in the inflation pump is flushed out through the inflation pipe, the filtering mechanism and the drain pipe, so that the filtering mechanism is cleaned.
The control module sends a first end signal to the driving module and sends a counting signal to the counting module, and when the counting module receives the counting signal, the counting is added with 1 (in an initial state, the counting of the counting module is 0). When the control module receives the normal signal, the control module sends a zero clearing signal to the counting module, and when the counting module receives the zero clearing signal, the counting is restored to 0. The counting threshold value is preset by the counting module, in the embodiment, the counting threshold value is 2, when the counting of the counting module is equal to the counting threshold value, the counting module feeds back a reminding module replacing signal, and the reminding module is used for reminding a user to replace the filtering mechanism according to the replacing signal. Can set up display module on the shell, show change information and remind the user, for example change information is: the filtering mechanism can not realize the filtering function, the filtering mechanism is required to be replaced, and replacement information can be sent to a mobile phone of a user, so that the user can be better reminded.
The above description is only for the embodiments of the present invention, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art will know all the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the schemes, and some typical known structures or known methods should not become obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (9)
1. An intelligent environment-friendly drip irrigation control system for wall greening maintenance comprises a water supply pipe, a controller, constant-pressure variable-frequency equipment, a water pump and a plurality of drip pipes; one end of the water supply pipe is a water inlet end which is fixedly connected with a water outlet of the water pump; the water dripping pipes are all communicated with a water supply pipe; the water pump is electrically connected with the constant-voltage variable-frequency equipment; the water pump and the constant-voltage variable-frequency equipment are electrically connected with the controller;
the method is characterized in that: the soil humidity detection device also comprises a detection unit, a controller and a control unit, wherein the detection unit is used for detecting the soil humidity and is electrically connected with the controller;
the controller is used for controlling the constant-voltage frequency conversion equipment and the water pump to work according to the electric signals of the detection unit.
2. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 1, characterized in that: the detection unit comprises a soil moisture detection circuit, the soil moisture detection circuit comprises an actual voltage acquisition circuit, a reference voltage generation circuit and a comparator, an output port of the actual voltage acquisition circuit is electrically connected with a second input port of the comparator, a second output port of the reference voltage generation circuit is electrically connected with a first input port of the comparator, and an output port of the comparator is electrically connected with an input interface of the controller.
3. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 2, characterized in that: the actual voltage acquisition circuit is a voltage division circuit consisting of two insertion pieces and a first resistor.
4. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 2, characterized in that: the controller is provided with a digital-to-analog conversion interface, and the output port of the actual voltage acquisition circuit is also electrically connected with the digital-to-analog conversion interface of the controller.
5. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 1, characterized in that: the device also comprises a timing unit and an alarm unit; the starting end of the timing unit is electrically connected with the output interface of the controller, and the output end of the timing unit is electrically connected with the input interface of the controller; the alarm unit is electrically connected with the output interface of the controller.
6. The intelligent environment-friendly drip irrigation control system for wall greening maintenance of claim 5, wherein: the alarm unit is an audible and visual alarm.
7. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 1, characterized in that: the water inlet end of the water supply pipe is fixedly provided with a filtering mechanism.
8. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 1, characterized in that: the water dripping pipe is provided with a water dripping hole, and a dustproof ring is fixedly arranged at the orifice of the water dripping hole.
9. The intelligent environment-friendly drip irrigation control system for wall greening maintenance according to claim 1, characterized in that: the controller is a PLC controller.
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| CN110476788A (en) * | 2019-09-29 | 2019-11-22 | 重庆纳德雨涧环保科技有限公司 | Intelligent environmental protection drip irrigation control system for wall greening maintenance |
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| CN110476788A (en) * | 2019-09-29 | 2019-11-22 | 重庆纳德雨涧环保科技有限公司 | Intelligent environmental protection drip irrigation control system for wall greening maintenance |
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