CN101855980A - Impulse type low-power consumption drip irrigation automatic control device and control method thereof - Google Patents
Impulse type low-power consumption drip irrigation automatic control device and control method thereof Download PDFInfo
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- CN101855980A CN101855980A CN 201010196385 CN201010196385A CN101855980A CN 101855980 A CN101855980 A CN 101855980A CN 201010196385 CN201010196385 CN 201010196385 CN 201010196385 A CN201010196385 A CN 201010196385A CN 101855980 A CN101855980 A CN 101855980A
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Abstract
The invention discloses an impulse type low-power consumption drip irrigation automatic control device, comprising a controller, a timer, an impulse type magnetic valve, a battery and a knob instruction input device, wherein the timer and the magnetic valve are connected with the controller respectively; the battery is connected with the controller, the timer and the magnetic valve respectively; and the instruction input device is connected with the controller and controls the drip irrigation interval period, start time and drip irrigation time by the controller to drive the power on/off states of the magnetic valve so as to realize automatic timing control on drip irrigation. In addition, the invention also discloses a low power consumption drip irrigation automatic control method.
Description
Technical field
The present invention relates to the impulse type low-power consumption drip irrigation automaton, be applicable to that the drip irrigation of fruit tree, nursery, pot plant etc. is controlled automatically, and other needs the field of water-saving irrigation control device.
Background technology
Pulse-controlled electromagnetic valve is the device of topmost consumed power in the drip irrigation control device, the operating voltage of the magnetic valve that traditional drip irrigation timing control apparatus adopts is higher, be generally the above or alternating current 220V of direct current 9V, its valve open or closing state need electric energy to keep, power consumption is bigger, is not suitable for powered battery; But also need special display to carry out the setting of time, increased cost and power consumption.Battery-powered low-power consumption drip irrigation timing controller is also arranged at present, but its price is higher, is difficult to apply at agriculture field.
Summary of the invention
The present invention is a kind of impulse type low-power consumption drip irrigation automaton and control method thereof; this device is with powered battery; its major function is: according to the time startup drip irrigation of setting; the drip irrigation time according to setting regularly stops; special display device can be set and not need to the start-up time of drip irrigation and timing at any time; in addition, this device can have the function of power down protection data.
The present invention is mainly by controller, instruction inputting device, and timer, magnetic valve and battery are formed.Controller can be a single-chip microcomputer, connect with other peripheral components by simple circuit, magnetic valve can be a bi-stable pulse electromagnetic valve, is connected with single-chip microcomputer by drive circuit, and timer can be real-time clock (RTC) chip of internal battery, battery can be the 9V battery, (instruction inputting device can be by the rotary switch of many gears for Low DropOut, LDO) the Voltage stabilizing module power supply that links to each other with other electricity consumption module or element by low pressure reduction, the housing of band clock and watch shape scale, compositions such as LED and button.
Bi-stable pulse electromagnetic valve links to each other with water pipe, and single-chip microcomputer links to each other with the drive circuit of bi-stable pulse electromagnetic valve, single-chip microcomputer by control drive circuit control opening or closing of magnetic valve, thereby control drip irrigation unlatching or stop.
Real-time timepiece chip provides reference clock for device, is its power supply by main power source when system powers on, and is its power supply by standby internal battery when system's power down, and this moment, real-time clock was operated in low-power consumption mode, and current sinking is very little.Make that like this system clock can both real time execution under the power or power-down state, realize running without interruption of clock.
Utilize the dial on rotary switch and the housing to match, by the gear of rotation rotary switch, realize the setting of drip irrigation timing, each lattice of dial are represented a time radix.The gear of rotary switch detects by the inner integrated ADC converter of single-chip microcomputer and obtains.Dial on rotary switch and the housing, button and LED light are used, realize setting and the modification of start-up time of correction, drip irrigation every day of RTC clock.
Single-chip microcomputer inside can integrated EEPROM be used for the power down protection of data; it preserves some key messages in system's running get off; when heavily powering on after the power down, the key message that single-chip microcomputer will be kept among the EEPROM reads out, and makes device have memory function.
Utilize the park mode of single-chip microcomputer, make the SCM system most of the time all be in battery saving mode, have only when its work of needs and just single-chip microcomputer is waken up, with control peripheral circuit or device work.Waking up by the asynchronous timing of its inner timer T2 of single-chip microcomputer interrupted waking up.
The beneficial effect of patent of the present invention is: with single-chip microcomputer, real-time clock (RTC) chip and bi-stable pulse electromagnetic valve is the commutator pulse formula low-power consumption drip irrigation automaton that main devices constitutes, the unlatching that can control drip irrigation automatically by pre-set drip irrigation start-up time and drip irrigation timing with stop, and the start-up time of drip irrigation and timing can be revised arbitrarily in the scope or set at 24 hours.Power management techniques such as the park mode by utilizing single-chip microcomputer and select for use the components and parts of low-power consumption to carry out low power dissipation design make whole device have extremely low power consumption, have prolonged the service life of battery largely.Utilize inner integrated EEPROM of single-chip microcomputer and external RTC chip, realized the real time execution of system clock during the power down protection of data and the power down, make designed device once in a while or can normally move when heavily powering on again after the frequent short time power down.
Selected bi-stable pulse electromagnetic valve is a low energy-consumption electronic device, its drive circuit is simple, and only opening or closing of its valve need to a logical dc pulse voltage forward or backwards about 30ms, that amplitude is about 4.2 volts of magnetic valve, and the state that opens or closes of valve does not need electric energy to keep.
The LDO Voltage stabilizing module uses for the entire circuit system after with the voltage voltage stabilizing of external connection battery, makes system that a stable operating voltage be arranged.Selected LDO Voltage stabilizing module is a high accuracy, low energy-consumption electronic device, its precision is ± 1%, the pressure reduction that current sinking is about between 2.0uA and its input voltage and output voltage is very low, only be 0.2V, therefore this module can not only provide a stable operating voltage for whole device, and can also improve cell voltage utilize scope and utilization ratio, thereby prolong the power-on time of battery to device.
Under the cooperation of button and LED light,, can realize the correction of setting, RTC clock of drip irrigation timing and the setting of drip irrigation start-up time by regulating the gear of many gears rotary switch.The components and parts of realizing these functions are simple, do not need special display device, and easy and simple to handle, also reduced the cost and the power consumption of device simultaneously.Make system be in RTC clock correction or drip irrigation set condition start-up time, must press simultaneously in the moment of start just can be effective more than combination several seconds of certain two button, can avoid RTC time of device or drip irrigation start-up time by some careless operation changes so effectively, or it is altered during outwork arbitrarily by the people.
The ADC converter of the gear of many gears rotary switch by single-chip microcomputer inside detects and obtains, and links to each other by an one-line keyboard circuit between rotary switch and the Chip Microcomputer A C mouth, and sort circuit is simple in structure, has saved the I/O mouth.The detection of gear is not real-time, only setting drip irrigation start-up time, just detecting when proofreading and correct RTC or opening drip irrigation, has so both reduced power consumption, can prevent the maloperation to rotary switch again, thereby influence the process control of device.
Utilize the park mode of single-chip microcomputer, make the time of device more than 95% be in battery saving mode, greatly reduce the power consumption of device by corresponding software algorithm.Glimmer at set intervals once by LED lamp of programme-control simultaneously, be in normal operating conditions, allow the user understand the working condition of device intuitively with this simple mode with characterization apparatus.
Description of drawings
Fig. 1 structural representation of the present invention
This device of Fig. 2 embodiment schematic diagram
The program flow diagram of this device of Fig. 3
Embodiment
As shown in Figure 1, the impulse type low-power consumption drip irrigation automaton, comprise controller, timer, magnetic valve and battery, timer links to each other with controller respectively with magnetic valve, and the same respectively controller of battery, timer are connected with magnetic valve, it is characterized in that, also comprise an instruction inputting device, this instruction inputting device is connected with controller, and the power on/off that instruction inputting device is set magnetic valve by controller is controlled the time started and the drip irrigation time of drip irrigation, realizes the self-timing control of drip irrigation.
As shown in Figure 2, the present invention includes LDO Voltage stabilizing module, 3.6V lithium battery, 3 buttons and 3 LED lights of ATMega8 single-chip microcomputer, many gears rotary switch, one-line keyboard circuit, real-time timepiece chip RTC, bi-stable pulse electromagnetic valve and drive circuit thereof, 9V battery, 5V, be integrated with ADC converter and EEPROM in the single-chip microcomputer.The input voltage of LDO Voltage stabilizing module and the pressure reduction of output voltage only are 0.2V, so it can use the cell voltage voltage stabilizing of 5.2V～9V to 5V for system.Real-time timepiece chip RTC provides reference clock for the timing drip irrigation of drip irrigation, it has two kinds of power supply modes, a kind of is 5V main power source after the voltage stabilizing of LDO module, another kind is the lithium battery stand-by power supply of 3.6V, when system's power down or main power source during less than 3.6V, by the 3.6V lithium battery is its power supply, is just often then powered by main power source when main power source, has guaranteed that like this system clock under any circumstance can both real time execution.Bi-stable pulse electromagnetic valve is a low energy-consumption electronic device, and the dc pulse voltage that needs to an about 30ms forward or backwards of magnetic valve energising that only opens or closes of its valve gets final product, and its valve open or closing state do not need electric energy to keep.Bi-stable pulse electromagnetic valve links to each other with water pipe, is the unlatching of controlled drip irrigation and stops by Push And Release that controlling the magnetic valve valve.Many gears rotary switch is connected to an ADC interface of single-chip microcomputer by one-line keyboard circuit, can detect to determine the gear of rotary switch like this by the ADC converter.
The human-computer interaction interface of apparatus of the present invention comprises three buttons (K1, K2 and K3), three LED lights (it is red, yellow and green that color is respectively), rotary switch, dial, power switch.Rotary switch has 12 gears, and dial has 12 scales, and each scale corresponds respectively to a gear of rotary switch.Rotary switch matches with dial, can realize the setting of drip irrigation timing, and the unit interval of each scale of dial representative this moment is 20 minutes, promptly the drip irrigation timing can be in 4 hours scopes be that unit sets with 20 minutes.Rotary switch and dial, button and LED light match, can realize the correction of RTC or the setting of drip irrigation start-up time every day, the unit interval of each scale representative of dial this moment is 1 hour, 12 scales correspond respectively to 0～11 hour, in addition, with yellow LED lamp bright/go out and represent/afternoon, with green LED lamp bright/go out and represent half an hour/0 hour, can realize like this that RTC proofreaies and correct or drip irrigation start-up time is that unit sets with the half an hour in 24 hours scopes, yellow LED lamp bright/go out by button K2 control, the light on and off of green LED lamp are controlled by button K3.RTC proofreaies and correct or the setting of drip irrigation start-up time every day, must press the combination of certain two button simultaneously and continue for 3 seconds in the moment that system powers on and to carry out when above, if system had been in power-up state originally, then by power switch elder generation's powered-down and then re-power.When just powering on, if press two buttons of K1 and K2 more than 3 seconds simultaneously, then red LED lamp is bright, and expression is in the RTC correcting state; If press two buttons of K2 and K3 more than 3 seconds simultaneously, then red LED lamp flicker, expression is in drip irrigation set condition start-up time every day.When being in RTC correction or drip irrigation set condition start-up time every day, the setting of correction time or drip irrigation start-up time is carried out in operation that this moment can be by rotary switch, K2 and K3 and the indication of LED2 and LED3, after configuring, pressing K1 can determine for two seconds, determine that back LED1, LED2 and LED3 all go out, and the time that configures is write RTC chip or EEPROM.
As shown in Figure 3, when device starts, single-chip microcomputer automatically performs the drip irrigation timer control routine, carry out the initialization of system earlier, and then judge whether to carry out the correction of RTC or the setting of drip irrigation start-up time every day, if need then carry out the correction of RTC or the setting of drip irrigation start-up time every day, if do not need then directly from EEPROM drip irrigation state value and the drip irrigation that configures are not read out start-up time, the basis and the foundation that compare or judge as down-stream, start the asynchronous timing of timer T2 then, and make monolithic enter the battery saving mode of low-power consumption; The asynchronous timing of T2 is the clock source with external 32768Hz watch crystal, every timing produced once in 1 second to be interrupted, and single-chip microcomputer waken up from battery saving mode, this moment, single-chip microcomputer judged regularly whether be added to 30 seconds, if do not interrupt producing to wait for to then directly entering battery saving mode next time, if be added to 30 seconds, then green LED lamp flicker once, normally move with characterization system, and judge whether system is in the drip irrigation state; If be not in the drip irrigation state, then read the clock of RTC and compare: if equate with the start-up time of drip irrigation, then open magnetic valve and carry out drip irrigation by the Single-chip Controlling drive circuit, state with the unlatching of drip irrigation writes EEPROM then, and enable the gear that the ADC converter detects rotary switch, to determine the timing of drip irrigation, thereby calculate the drip irrigation RTC clock value of the finish time, follow forbidden energy ADC and make system turn back to battery saving mode, if RTC clock and drip irrigation are unequal start-up time, then directly turn back to battery saving mode; If system is in the drip irrigation state, the RTC value that then reads RTC and drip irrigation finish time compares: if equate, then close magnetic valve and stop drip irrigation by the Single-chip Controlling drive circuit, closing state with drip irrigation writes EEPROM then, and make system turn back to battery saving mode, if unequal, then directly turn back to battery saving mode.So far, finish once the automatic control of complete timing drip irrigation.Next, read every 30 seconds again RTC clock value and with drip irrigation start-up time relatively, circulation so repeatedly.
Single-chip microcomputer is in the whole procedure running, and the most of the time all is in battery saving mode, for whether normally operation of characterization system, once represents every flicker in 30 seconds with green LED lamp, not only simply but also can reduce the power consumption of system.
Utilize the EEPROM technology; state and key variables value with drip irrigation when system normally moves are saved among the EEPROM, when heavily powering on after system's power down, the data read that is kept among the EEPROM are come out to use for system program; realized the power down protection of data, made device have memory function.
Claims (10)
1. impulse type low-power consumption drip irrigation automaton, comprise controller, timer, magnetic valve and battery, timer links to each other with controller respectively with magnetic valve, the same respectively controller of battery, timer are connected with magnetic valve, it is characterized in that also comprise an instruction inputting device, this instruction inputting device is connected with controller, the power on/off that instruction inputting device is set magnetic valve by controller is controlled the time started and the drip irrigation time of drip irrigation, realizes the self-timing control of drip irrigation.
2. impulse type low-power consumption drip irrigation automaton as claimed in claim 1 is characterized in that described controller is a single-chip microcomputer.
3. impulse type low-power consumption drip irrigation automaton as claimed in claim 2 is characterized in that described single-chip microcomputer is built-in with EEPROM, is used for the power down storage protection of data.
4. impulse type low-power consumption drip irrigation automaton as claimed in claim 2 is characterized in that described magnetic valve is a bi-stable pulse electromagnetic valve, is connected with single-chip microcomputer by drive circuit.
5. impulse type low-power consumption drip irrigation automaton as claimed in claim 4, it is characterized in that, described instruction inputting device comprises the housing of many gears rotary switch, band clock and watch scale, LED and button, wherein many gears rotary switch, LED and button are installed on the housing of band clock and watch scale, dial on rotary switch and the housing, button and LED light are used, and realize the setting and the modification of clock correction, drip irrigation start-up time and dwell time.
6. impulse type low-power consumption drip irrigation automaton as claimed in claim 5 is characterized in that, links to each other by an one-line keyboard circuit between described many gears rotary switch and the Chip Microcomputer A C mouth.
7. impulse type low-power consumption drip irrigation automaton as claimed in claim 6 is characterized in that, described timer is real-time timepiece chip RTC.
8. impulse type low-power consumption drip irrigation automaton as claimed in claim 7 is characterized in that, described real-time timepiece chip RTC is furnished with reserve battery.
9. the arbitrary impulse type low-power consumption drip irrigation automaton described in claim 1-8, it is characterized in that, also comprise a LDO Voltage stabilizing module, it is supplied with the entire circuit system after with the voltage voltage stabilizing of external connection battery and uses, wherein battery is connected with the LDO Voltage stabilizing module, and the LDO Voltage stabilizing module is respectively with respectively connecting with electric device in the device.
10. drip irrigation autocontrol method of realizing claim 1, it is characterized in that, set the initial sum intermission of drip irrigation by instruction inputting device, and the energising by controller control magnetic valve and outage are controlled the pass of the pipeline that drips and are closed, when device starts, controller automatically performs the drip irrigation timer control routine that pre-sets, detect setting-up time and real-time clock, as the numerical value of setting zero-time equates with the time numerical value of real-time clock that then magnetic valve is opened in energising and carries out drip irrigation, as the numerical value of setting the termination time equates with the time numerical value of real-time clock that then magnetic valve is closed in outage and stops drip irrigation, do not wait as its numerical value, then enter the battery saving mode of low-power consumption, and so forth circulation.
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| CN 201010196385 CN101855980A (en) | 2010-06-08 | 2010-06-08 | Impulse type low-power consumption drip irrigation automatic control device and control method thereof |
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| CN 201010196385 CN101855980A (en) | 2010-06-08 | 2010-06-08 | Impulse type low-power consumption drip irrigation automatic control device and control method thereof |
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| CN102217517A (en) * | 2011-05-30 | 2011-10-19 | 华南农业大学 | Solar power supply type automatic drip irrigation control device and control method for orchard |
| CN103090085A (en) * | 2013-01-28 | 2013-05-08 | 苏州宇东暖通技术有限公司 | Timing valve |
| CN104186279A (en) * | 2014-08-29 | 2014-12-10 | 沈阳远大科技园有限公司 | Novel intermittent drop irrigation method |
| CN105409724A (en) * | 2015-12-31 | 2016-03-23 | 江苏汇智知识产权服务有限公司 | Intelligent drip irrigation system |
| CN105652694A (en) * | 2016-01-27 | 2016-06-08 | 安庆市鸿裕工业产品设计有限公司 | Equipment starting auxiliary component |
| CN106198627A (en) * | 2016-06-22 | 2016-12-07 | 天津大学 | A kind of pH meter with self-cleaning device of low-power consumption |
| CN107272759A (en) * | 2017-07-05 | 2017-10-20 | 华南农业大学 | A kind of piping liquid pressure controller and its control method |
| CN109315282A (en) * | 2018-12-12 | 2019-02-12 | 芭芭拉（厦门）农业科技有限公司 | Vertical hydroponic system |
| CN109349091A (en) * | 2018-12-12 | 2019-02-19 | 芭芭拉（厦门）农业科技有限公司 | Integration water box drip irrigation control device |
| CN112525511A (en) * | 2020-11-30 | 2021-03-19 | 江苏大学 | Jet pulse tee bend experimental apparatus |
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| CN102217517A (en) * | 2011-05-30 | 2011-10-19 | 华南农业大学 | Solar power supply type automatic drip irrigation control device and control method for orchard |
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| CN104186279A (en) * | 2014-08-29 | 2014-12-10 | 沈阳远大科技园有限公司 | Novel intermittent drop irrigation method |
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| CN107272759A (en) * | 2017-07-05 | 2017-10-20 | 华南农业大学 | A kind of piping liquid pressure controller and its control method |
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| CN109315282A (en) * | 2018-12-12 | 2019-02-12 | 芭芭拉（厦门）农业科技有限公司 | Vertical hydroponic system |
| CN109349091A (en) * | 2018-12-12 | 2019-02-19 | 芭芭拉（厦门）农业科技有限公司 | Integration water box drip irrigation control device |
| CN112525511A (en) * | 2020-11-30 | 2021-03-19 | 江苏大学 | Jet pulse tee bend experimental apparatus |
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Application publication date: 20101013 |