Embodiment
Embodying the exemplary embodiments of feature of present invention and advantage will describe in detail in the following description.It should be understood that
The present invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and explanation therein
And accompanying drawing is inherently to be illustrated as being used, and it is not used to the limitation present invention.
Below with reference to the accompanying drawings technical scheme is elaborated with preferred embodiment.
As depicted in figs. 1 and 2, the photovoltaic time control automatic irrigation system of the embodiment of the present invention, including irrigation rig, photovoltaic dress
Put and control device.Wherein, photovoltaic devices institute generated energy, powers to irrigation rig and control device.
Fig. 1 is the pipeline connecting figure of the photovoltaic time control automatic irrigation system of the embodiment of the present invention.
As shown in figure 1, irrigation rig includes tank, irrigation pipeline and switch module.Wherein, tank includes height
Position water tank 601 and low level water tank 701;Wherein, the liquid level upper limit position of high-position water-storage tank 601 is higher than low level water tank 701
Liquid level upper limit position;The liquid level lower limit position of high-position water-storage tank 601 is higher than the liquid level lower limit position of low level water tank 701.
Irrigation pipeline include with water lines, for intake to the tank inlet pipeline, for using water to described
Supply channel and demonstration pipeline that pipeline supplies water, wherein, include drip irrigation pipeline and pipeline of sprinkling irrigation with water lines.Switch module, if
Put on irrigation pipeline, by the controller of control device to the open and close controlling of switch module, form different in irrigation pipeline
Flow path.Switch module includes four classes, respectively controlling switch, magnetic valve, manual normally open valve and manual normally close valve, its
In, in addition to manual normally close valve 311 is separately provided, magnetic valve and manual normally close valve are to be arranged in pairs, and are to be arranged in parallel.
Wherein, inlet pipeline includes running water inlet pipeline 901, low tank inlet pipeline 913 and tall can inlet pipeline 905.
Manual normally open valve 201 is provided with running water inlet pipeline 901 namely external water source inlet pipeline, low tank inlet pipeline 913.From
Magnetic valve 101 and manual normally close valve 301 are provided with water inlet pipeline 901;Magnetic valve is provided with tall can inlet pipeline 905
105 and manual normally close valve 305.
Supply channel includes direct-furnish pipeline 911, low tank supply channel 904 and tall can supply channel 906, and wherein running water enters
Water lines 901 branch out direct-furnish pipeline 911 and low tank inlet pipeline 913;And the one end of tall can supply channel 907 connection high-level water storage
Tank 601, after the other end converges with direct-furnish pipeline 911, is connected to and uses water lines.Manual normally close valve is provided with direct-furnish pipeline 911
311;Magnetic valve 104 and manual normally close valve 304 are provided with low tank supply channel 904;Electricity is provided with tall can supply channel 906
Magnet valve 106 and manual normally close valve 306.
Demonstrating pipeline includes the first demonstration demonstration pipeline 903 of pipeline 902 and second, wherein, the first demonstration pipeline 902 is connected
Between low level water tank 701 and direct-furnish pipeline 911, the second demonstration pipeline 903 is connected to low level water tank 701 and tie point A
Between.Wherein, it is provided with magnetic valve 102 and manual normally close valve 302, the second demonstration pipeline 903 and sets on the first demonstration pipeline 902
It is equipped with magnetic valve 103 and manual normally close valve 303.
Include drip irrigation pipeline 907, the first pipeline of sprinkling irrigation 908, the second pipeline of sprinkling irrigation 909 and the 3rd pipeline of sprinkling irrigation with water lines
910, but this is only embodiment, and the present invention does not limit the number of drip irrigation pipeline and pipeline of sprinkling irrigation.It is provided with drip irrigation pipeline 907
Magnetic valve 107, manual normally open valve 202, manual normally open valve 204 and manual normally close valve 307;And the first pipeline of sprinkling irrigation 908, second sprays
Fill and magnetic valve 108,109 and 110 is respectively arranged with the pipeline of sprinkling irrigation 910 of pipeline 909 and the 3rd, and manual normally close valve 308,
309、310.In addition, irrigation pipeline also includes two sections of common palls, i.e. common pall 912 and common pall 914, common pall
912 are connected between low level water tank 701 and tie point B, and common pall 914 is the pipe between tie point A and tie point B
Road, common pall 912 is the common pall of second circulation pipeline 903, low tank supply channel 904 and tall can inlet pipeline 905, and
Common pall 914 is the common pall of second circulation pipeline 903 and tall can inlet pipeline 905.
The function declaration of each switch module is as follows in irrigation rig:
Magnetic valve 101:The circulation of external water flood (running water) is controlled, that is, controls whether the water filling toward in low level water tank 701
(or whether directly being irrigated by running water).Magnetic valve 101 is opened, and manual normally open valve 201 is maintained a normally open, manual normally close valve 302
Keep normally closed, be then to carry out the water filling of low level water tank 701;Magnetic valve 101 is opened, and manual normally open valve 201 is closed, manual normally close valve
311 open, then are that running water is directly irrigated, and it is a kind of emergency measure that running water, which is directly irrigated, when low level water tank 701 and a high position
Water tank 601 all no water when directly irrigated, it is necessary to carry out running water;Magnetic valve 101 is closed, then is stopped to low level water tank
701 water fillings stop irrigating.The present invention photovoltaic time control automatic irrigation system, preferably use running water as external water source,
But the invention is not limited in this, it is possible to use well water, river etc. are used as external water source.
Magnetic valve 102,103:It is mainly used in water circulation demonstration, water circulation demonstration is carried out during opening, is carried out during closing normal
Water filling or irrigation.Demonstration path will be referred in following content.
Magnetic valve 104:For the control irrigated and water circulation is demonstrated, magnetic valve 104 is sprayed or water circulation when opening,
Normal water filling or the drip irrigation of high-position water-storage tank 601 are carried out when magnetic valve 104 is closed.
Magnetic valve 105:Water filling or water circulation demonstration, magnetic valve 103 and magnetic valve for controlling high-position water-storage tank 601
105 open, and when manual normally close valve 303,305 is closed, immersible pump 801 works, and starts to give the water filling of high-position water-storage tank 601, magnetic valve
105 carry out water circulation demonstration or drip irrigation when closing.
Magnetic valve 106:Drip irrigation (during non-demonstration) and sprinkling irrigation during for controlling normally to use, carried out during opening drip irrigation or
Sprinkling irrigation, drip irrigation or sprinkling irrigation stop during closing.
Magnetic valve 107:Drip irrigation main valve, coordinates control drip irrigation, magnetic valve with manual normally open valve 202 and manual normally open valve 204
107th, drip irrigation is carried out when manual normally open valve 202 and manual normally open valve 204 are opened, drip irrigation stops when magnetic valve 107 is closed, can also
Manual normally open valve 202 and manual normally open valve 204 are closed so that drip irrigation stops.
Magnetic valve 108,109,110:For controlling the sprinkling irrigation of three tunnels, manual normally close valve 308,309,310 is closed,
Other two-way closed electromagnetic valves when wherein sprinkling irrigation works independently all the way.
Manual normally open valve 201, manual normally close valve 311:Irrigation water when the normal moisturizing of control low level water tank 701 and failure
Source;During low level 701 normal moisturizing of water tank, hand-operated valve normally open valve 201 is opened, and manual normally close valve 302 is closed, the system failure
When, Emergency water supply is carried out, manual normally open valve 201 is closed, and manual normally close valve 302 is opened, and capable irrigation is tapped into by tap water direct.
Manual normally open valve 202,204,205:Manual normally open valve 202,204 is arranged at the upstream and downstream of drip irrigation pipeline 907, is used for
Stop drip irrigation manually;Manual normally open valve 205 is provided between the pipeline of sprinkling irrigation 908 of drip irrigation pipeline 97 and first.Manual normally open valve
202nd, 205, coordinate with magnetic valve 107,108,109,110, complete drip irrigation or sprinkling irrigation;Manual normally open valve 202 is followed for isolating water
Ring is demonstrated with irrigating, and manual normally open valve 205 is used to isolate drip irrigation and sprinkling irrigation.Here isolation, it is meant that drilled carrying out water circulation
Without irrigating when showing, when carrying out drip irrigation, without sprinkling irrigation.
Manual normally close valve 302,303,304,305,306,307,308,309,310:The respective magnetic valve in parallel of correspondence, and
Keep normally closed during the magnetic valve normal work of connection, during solenoid valve failure in parallel, open.
Immersible pump 801:It is arranged in low level water tank 701, adds when loine pressure is low when sprinkling irrigation or drip irrigation to pipeline
Pressure, or for providing Water circulation hydrodynamics for the water circulation demonstration of demonstration pipeline.Under normal circumstances, high-position water-storage tank 601 is in
A high position, the pressure difference (high-position water-storage tank 601 and drip irrigation pipeline 907, the pressure difference of pipeline of sprinkling irrigation 908,909,910) of itself disclosure satisfy that
Sprinkling irrigation or drip irrigation for pressure requirement.
Immersible pump 801 is AC-powered of the direct current sent by photovoltaic module after inverter inversion, each magnetic valve
Power supply is provided by battery and booster, in order to ensure reliable and stable operation, guarantee power supply can be used as using civil power.
Fig. 2 is the control principle drawing of photovoltaic time control automatic irrigation system in the present invention.
As shown in Fig. 2 the photovoltaic time control automatic irrigation system of the embodiment of the present invention, wherein, the photovoltaic devices include light
Lie prostrate component, battery, inverter, frequency converter and booster.
Photovoltaic module:Solar energy is absorbed, electric energy is converted the solar into and is transported to battery and stored;
Inverter:Direct current in battery is converted into alternating current;
Frequency converter:Ensure that immersible pump is normally run according to the change regulating frequency of photovoltaic module supply voltage, to immersible pump
801 provide power supply.
Booster:Using the power supply after the direct current electric boost of battery as magnetic valve;
As shown in Fig. 2 the photovoltaic time control automatic irrigation system of the embodiment of the present invention, wherein, the control device includes:Liquid
Level sensor, soil humidity sensor, pressure sensor, microcomputer time-controlled switch and the single-chip microcomputer as controller, controller
It can also be programmable logic controller (PLC) (PLC).
Controlling switch:For controlling immersible pump 801, the control signal of single-chip microcomputer is received, frequency converter and immersible pump 801 are connect
It is logical, so that immersible pump 801 is started working;
Liquid level sensor:Including liquid level sensor 501,502,503,504, liquid level sensor 501 is arranged on high-level water storage
The liquid level upper limit position of tank 601, liquid level sensor 502 is arranged on the liquid level lower limit position of high-position water-storage tank 601;Liquid level sensor
503 are arranged on the liquid level upper limit position of low level water tank 701, and liquid level sensor 504 is arranged under the liquid level of low level water tank 701
Extreme position;Liquid level sensor 501,502,503,504 is by the real-time level signal transmission detected to single-chip microcomputer;
Soil humidity sensor:Be embedded in wait to spray and/or drip irrigation big field, soil humidity sensor detects soil in real time
Earth humidity, and humidity signal is fed back into single-chip microcomputer, when soil moisture is in normal range (NR), the photovoltaic of the embodiment of the present invention
Time control automatic irrigation system is normally carried out irrigating, once it is excessive to detect soil moisture, namely more than a soil moisture setting value,
Single-chip microcomputer can control the magnetic valve and immersible pump 801 of corresponding control sprinkling irrigation and drip irrigation to be stopped, to stop irrigating, and can be same
Alarm.
Pressure sensor 401, is arranged on in water lines, specifically installed in magnetic valve 106 and manual normally open valve 202 it
Between pipeline on, pipeline pressure (hydraulic pressure) signal is uploaded to single-chip microcomputer by pressure sensor 401;When being sprayed, pressure sensing
Device 401 detects pipeline pressure in real time, when pipeline pressure declines, and pressure sensor 401 is detected after the signal of pressure reduction, tool
Body is that when decreasing below a pressure set points, this signal is fed back into single-chip microcomputer, and Single-chip Controlling magnetic valve 106 is opened,
Moisturizing is carried out, to carry out pipeline ftercompction.
Microcomputer time-controlled switch:Controller is connected to, for the setting of System production time, and when controlling whole photovoltaic
Control startup, closing and the timing working of automatic irrigation system.
Single-chip microcomputer:Receive the upload of each sensor (liquid level sensor, soil humidity sensor, pressure sensor 401)
Signal, controls the open and close of each magnetic valve, and control the start and stop of immersible pump 801.
The photovoltaic time control automatic irrigation system of the embodiment of the present invention, the course of work is as follows:
1st, time opening is closed.Using the start and stop of the multi-period control irrigation rig of microcomputer time-controlled switch, control
Startup, closing and the timing working of whole system;For example, 11:30-14:30 should not be sprayed, and electromagnetism is made in time period
The coil losing electricity of valve 105,106,107,108,109,110 is closed, and magnetic valve 102, the coil of magnetic valve 104 obtain electric opening, magnetic valve
103 coil losing electricities are closed, and keep the normally closed of manual normally close valve 302, are compared a wide range of water circulation, specific circulating path
For first circulation pipeline 902, direct-furnish pipeline 911, the common pall 912 of low tank supply channel 904 and first;Or magnetic valve 103
Open, magnetic valve 102, magnetic valve 104 close, carry out the water circulation of small range, circulating path is second circulation pipeline 903, the
Two common palls 914 and the first common pall 912;Or magnetic valve 102, magnetic valve 103 are closed, magnetic valve 104, magnetic valve
107 open progress drip irrigation.
It is big more than in order to show photovoltaic irrigation effect in the case where irrigating completion and illumination condition permission
Two circulating paths of scope water circulation and small range water circulation, carry out two kinds of water circulation displayings.
2nd, automatic water filling and draw water.After system starts, low level water storage is detected by liquid level sensor 503 and 504 first
Liquid level in tank 701, if in low liquid level, liquid level sensor 504 gives the feedback signal of single-chip microcomputer one, and single-chip microcomputer handles the feedback
Signal, control magnetic valve 101 opens toward in low level water tank 701 water filling (while keeping the normally opened of manual normally open valve 201, manually
Normally close valve 302 it is normally closed), when reaching high level, liquid level sensor 503 provides feedback signal, and single-chip microcomputer is required according to control
Sprayed, water circulation or toward water filling in high-position water-storage tank 601.Toward during 601 water filling of high-position water-storage tank, repeat above-mentioned past first
The process of the water filling of low level water tank 701, it is ensured that low level water tank 701 is on the premise of high level toward in high-position water-storage tank 601
Water filling.In the case where illumination condition allows (supply of electric power for ensureing photovoltaic module), single-chip microcomputer sends signal enabling immersible pump
801, magnetic valve 101,103,104,106 is closed, the water opened in magnetic valve 105, low level water tank 701 passes through the first share pipe
Road 912, the second common pall 914 and tall can inlet pipeline 905, into high-position water-storage tank 601.High-position water-storage tank 601 added water
Cheng Zhong, single-chip microcomputer detects the high level signal of liquid level sensor 501 all the time, when reaching high level, closes immersible pump 801 or carries out
Water circulation.
3rd, automatic irrigation.During daytime, after the photovoltaic time control automatic irrigation system of the embodiment of the present invention starts, in illumination condition
In the case of abundance, single-chip microcomputer is received after the high level signal of the liquid level sensor 503 of low level water tank 701, control electricity
Magnet valve 101,102,103,105,106,107 is closed, while keeping the normally opened of manual normally open valve 202,205, starts immersible pump 801
Sprayed, can be by the way of the sprinkling irrigation timesharing of 3 tunnels be opened when being sprayed, for example magnetic valve 108 is first opened half an hour, together
When magnetic valve 109,110 close;Similarly, when magnetic valve 109 is opened, magnetic valve 108,110 is closed;When electromagnetism 110 is opened, electromagnetism
Valve 108,109 is closed, and can be sprayed per road work half an hour, controlling switch is given after the completion of being repeated 4 times the process, sprinkling irrigation process daytime
Immersible pump 801 is powered off, and stops sprinkling irrigation (closing magnetic valve 108,109,110).
Drip irrigation is carried out, can be first from low level water tank 701 toward the inner note of high-position water-storage tank 601 when high-position water-storage tank 601 does not have water
Water, when detecting the high level signal of liquid level sensor 501, Single-chip Controlling immersible pump 801 is stalled, and opens magnetic valve
106th, 107, magnetic valve 102,104,108,109,110 is closed, while keeping manual normally close valve 302 to be in normally off, manually
Normally open valve 202,204 is in normally open, carries out drip irrigation;If the reclaimed water of high-position water-storage tank 601 reaches low liquid level during drip irrigation,
The process that adds water to high-position water-storage tank 601 is then again started up in the case where illumination condition allows.
During night, drip irrigation is only carried out, control process is similar with drip irrigation control process on daytime, simply until high-position water-storage tank
601 water when being finished can not moisturizing again, during whole irrigate, single-chip microcomputer constantly receives the soil from soil humidity sensor
Moisture signal, once detect soil moisture it is excessive when, the corresponding magnetic valve of Single-chip Controlling and immersible pump 801 stop irrigating simultaneously
Alarm.
4th, meet an urgent need and irrigate.When whole system breaks down, manual normally open valve 201 can be turned off, manual normally close valve is opened
302, while opening manual normally close valve 301, directly irrigated with running water.
The photovoltaic time control automatic irrigation system of the present invention, can effectively utilize solar energy, and realize automatic enclosed circulation central, and
And external power source is used as few as possible.Whole photovoltaic time control automatic irrigation system realizes the whole automation for irrigating process,
Soil humidity sensor and dropper road, the mutual cooperation of pipeline of sprinkling irrigation, reduce while Optimum Irrigation effect is ensured and use water
Amount, the demonstrating effect of system is added on the premise of practicality is greatly reinforced, photovoltaic can be intuitively experienced to irrigation
Influence.And the control system adds the stability of whole irrigation system operation, reduces the maintenance in later stage.
The pipeline connecting mode that sprinkling irrigation and drip irrigation are combined, unattended, self energizing, closing are realized by using solar energy
Circulation, automatic irrigation crops.
Urban landscaping can either be applied to, is suitable for gardens, the crop irrigation in outlying non-transformer area again.
Artisan will appreciate that of the invention disclosed in appended claims of the invention not departing from
Within the change and retouching made in the case of scope and spirit, the scope of the claims for belonging to the present invention.