CN105010099A - Small intelligent flower watering system based on single chip microcomputer - Google Patents
Small intelligent flower watering system based on single chip microcomputer Download PDFInfo
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- CN105010099A CN105010099A CN201510474438.8A CN201510474438A CN105010099A CN 105010099 A CN105010099 A CN 105010099A CN 201510474438 A CN201510474438 A CN 201510474438A CN 105010099 A CN105010099 A CN 105010099A
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- chip microcomputer
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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
- A01G27/00—Self-acting watering devices, e.g. for flower-pots
- A01G27/003—Controls for self-acting watering devices
Abstract
The invention provides a small intelligent flower watering system based on a single chip microcomputer. The small intelligent flower watering system comprises a humidity sensor, a clock chip, the single chip microcomputer and an electromagnetic valve. The humidity sensor transmits humidity signals to the single chip microcomputer. The clock chip is configured to provide real-time time signals. The single chip microcomputer obtains the humidity signals and reads in the time signals. The single chip microcomputer make a response to the humidity signals lower than the preset lower limiting value and outputs electromagnetic valve opening signals. The single chip microcomputer further corresponds to time signals in the set flower watering time range to output the electromagnetic valve opening signals. The electromagnetic starts and controls a flower watering water pump to water flowers according to the electromagnetic valve opening signals. The single chip microcomputer corresponds to the humidity signals higher than the preset upper limiting value in the electromagnetic opening process to output electromagnetic valve closing signals. The electromagnetic valve starts and controls the flower watering water pump to stop watering flowers according to the electromagnetic valve closing signals. By means of the small intelligent flower watering system, flower watering can be conducted automatically and irregularly according to the soil humidity, and the flower watering time is adjusted according to seasons to conduct regular flower watering.
Description
Technical field
The present invention relates to automation to water flowers technical field, the particularly SCM Based small intelligent flower-watering system of one.
Background technology
Potted flower is often placed in that indoor or outdoors has been used for purifying air, decoration function, but people often look after ineffective, research shows that the death of flowers and plants more than 80% causes not in time owing to watering, existing automatic flow watering device, be difficult to accomplish to water to potted flower timely and appropriate discovery, and cost is higher.Flowers and plants are as biology, vital signs can change with season, do not give suitable watering, the nutrient produced cannot meet the growth demand of flowers and plants, cause it withered dispirited, not only not play purification decoration function, affect room on the contrary to hold, therefore, we wish to design and can automatic flower watering and accomplishing to control to water flowers the flower-watering system of timely and appropriate discovery, make household small-size potted flower obtain more original maintenance.
Summary of the invention
Object to be solved by this invention is to provide a kind of SCM Based small intelligent flower-watering system, irregularly automatically can water flowers according to soil moisture situation, and to adjust according to seasonal conditions that watering takes time regularly waters flowers, make potted flower obtain optimum pouring, cost is low.
For solving the problem, the present invention proposes a kind of SCM Based small intelligent flower-watering system, comprising: humidity sensor, clock chip, single-chip microcomputer and magnetic valve, described humidity sensor is embedded in the soil of flowerpot, the humidity of Real-time Obtaining soil and produce moisture signal, and sends moisture signal to single-chip microcomputer, the configuration of described clock chip provides real-time time signal, and described time signal comprises month instantly and real-time time point, described single-chip microcomputer obtains moisture signal and reads in time signal, the preset lower limit value for comparison moisture signal and preset upper limit value is provided with in single-chip microcomputer, single-chip microcomputer in response to moisture signal lower than preset lower limit value output solenoid valve start signal, single-chip microcomputer is also in response to water flowers time signal in time range and the output solenoid valve start signal in setting, magnetic valve is opened control water pump of watering flowers and is watered flowers according to magnetic valve start signal, magnetic valve open process in single-chip microcomputer in response to moisture signal higher than preset upper limit value output solenoid valve shutdown signal, magnetic valve open according to closed electromagnetic valve signal control water flowers water pump stop water flowers.
According to one embodiment of present invention, described clock chip is the clock chip of model DS1302, is synchronous with Beijing time by its time signal configures.
According to one embodiment of present invention, described single-chip microcomputer also comprises in response in the time signal output solenoid valve start signal of watering flowers in time range of setting: described single-chip microcomputer to receive in the time signal of clock chip month between 3 ~ May, real-time time o'clock at about 10 o'clock then output solenoid valve start signal; Or, described single-chip microcomputer to receive in the time signal of clock chip month between 6 ~ August, real-time time o'clock is in about 8 o'clock or about 18 then output solenoid valve start signal; Or, described single-chip microcomputer to receive in the time signal of clock chip month between 12 ~ February, real-time time o'clock at about 13 o'clock then output solenoid valve start signal.
According to one embodiment of present invention, the model of described single-chip microcomputer is AT89C51, the RST pin of described clock chip is connected to the P2.5 pin of single-chip microcomputer, the SCLK pin of described clock chip is connected to the P2.6 pin of single-chip microcomputer, the I/O pin of described clock chip is connected to the P2.7 pin of single-chip microcomputer, connects a crystal oscillating circuit between the X1 pin of described clock chip and X2 pin.
According to one embodiment of present invention, described single-chip microcomputer comprises two Interruption registers, first Interruption register is effective lower than being labeled during preset lower limit value at the moisture signal that single-chip microcomputer receives, second Interruption register is labeled effectively when single-chip microcomputer receives in the time signal of watering flowers in time range set, the priority of the first Interruption register is configured to higher than the second Interruption register, the interrupt mechanism of single-chip microcomputer performs interruption according to these two Interruption registers, thus the output of Controlling solenoid valve start signal and closed electromagnetic valve signal.
According to one embodiment of present invention, also comprise and connect single-chip microcomputer and LCD display in order to show moisture signal and time signal.
According to one embodiment of present invention, described magnetic valve adopts the direct-acting electromagnetic valve of closed type.
After adopting technique scheme, the present invention has following beneficial effect compared to existing technology: the humidity being obtained flowerpot soil by humidity sensor, and in single-chip microcomputer, be provided with the bound of humidity value, when humidity value is prescribed a time limit lower than lower, single-chip microcomputer just controls to water, in watering proce, humidity sensor feeds back the humidity condition of flowerpot soil in real time, humidity value higher than in limited time Single-chip Controlling stop watering, can not cause water excessive, and, if when watering again lower than when lower limit when flowerpot soil moisture, flowers and plants have been in the state of lack of water or fast lack of water, if things go on like this can produce harmful effect to flowers and plants, and the present invention also provides real-time month and moment by clock chip, single-chip microcomputer is according to the time judges whether that needs water instantly, thus regularly can water to flowers and plants according to difference adjustment in season watering time, this watering proce humidity is still monitored by humidity sensor, humidity higher than on stopping in limited time watering, flowers and plants are not easy to be on the verge of exsiccosis, watering of timely and appropriate discovery can be obtained.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the SCM Based small intelligent flower-watering system of one embodiment of the invention;
Fig. 2 is the electrical block diagram that the clock chip of one embodiment of the invention is connected with single-chip microcomputer.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.
Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar popularization when intension of the present invention, therefore the present invention is by the restriction of following public concrete enforcement.
For general flowers, because the weather in the four seasons is different, water requirement and the optimum time point watered in fact also are different, and reckon without this point in prior art, water when flowers lack of water or fast lack of water often, this, concerning the biology that this need of flowers cultivate meticulously, can not get good growth.The present invention proposes the technical scheme for this problem.After the annual beginning of spring, temperature raises gradually, and flowers enter the growth most productive period, and irrigation amount adds gradually, waters early spring and should carry out at morning; Summer temperature is high, and flower growth is vigorous, and transpiration is strong, and irrigation amount should be sufficient, waters summer and should carry out at morning, sunset; After the beginning of autumn, temperature is gradually low, and flower growth is slow, suitably waters less; Winter temperature is low, and many flowers enter dormancy or semidormancy phase, control to water, and basin soil is not too dry just not to water, so as not to because water dilutional hyponatremia rotten, fallen leaves, affect Growth and anthesis in next year, water winter and should carry out at afternoon 13-14 point.To be described in detail the present invention below.
Referring to Fig. 1, in the present embodiment, SCM Based small intelligent flower-watering system comprises humidity sensor U3, clock chip U2, single-chip microcomputer U1 and magnetic valve U5.
Wherein, humidity sensor U3 is embedded in the soil of flowerpot, can be in partly or entirely placing into the soil, the humidity of Real-time Obtaining soil and produce moisture signal, and send moisture signal to single-chip microcomputer U1, as preferred embodiment, humidity sensor U3 adopts model to be the Temperature Humidity Sensor of SHT-11, because SHT-11 Temperature Humidity Sensor inside is integrated with analog-digital converter, digital interface etc., just external converting member is not needed again when being connected with single-chip microcomputer U1, and SHT-11 Temperature Humidity Sensor is convenient to calibration, the moisture signal that single-chip microcomputer U1 obtains is comparatively accurate.
Clock chip U2 configuration is supplied to the real-time time signal of single-chip microcomputer U1, and this time signal comprises month instantly and real-time time point.Preferably, clock chip U2 adopts the clock chip of model DS1302, and its time signal is configured to Beijing time synchronous, certainly, the present invention also can be set to the time standard in other areas synchronous, the weather conditions of this area and domestic, especially the south of the River one is with comparatively close, thus can play the good action that timely and appropriate discovery waters flowers in the four seasons substituted.
Single-chip microcomputer U1 obtains the moisture signal of humidity sensor and reads in the time signal of clock chip U2, the preset lower limit value for comparison moisture signal and preset upper limit value is provided with in single-chip microcomputer U1, this preset lower limit value represent flowers and plants lack of water or by the state of lack of water, namely soil moisture is inadequate, this preset upper limit value represents water saturation needed for flowers and plants, namely soil moisture is enough, more injuries that may cause flowers and plants.Single-chip microcomputer U1 in response to moisture signal lower than preset lower limit value output solenoid valve start signal, single-chip microcomputer U1 is also in response to water flowers time signal in time range and the output solenoid valve start signal in setting, magnetic valve U5 opens control water pump of watering flowers and waters flowers according to magnetic valve start signal, magnetic valve U5 open process in single-chip microcomputer in response to moisture signal higher than preset upper limit value output solenoid valve shutdown signal, magnetic valve U5 open according to closed electromagnetic valve signal control water flowers water pump stop water flowers.No longer only watering flowers according to soil moisture, but combine the situation that needed for seasonal variation flowers and plants, moisture is different and water flowers, in Various Seasonal, the optimum time will optimum irrigation amount, the number of the amount of watering flowers is all determined according to the moisture signal of humidity sensor Real-time Feedback by single-chip microcomputer U1, can not cause and water excessively, make flowers and plants obtain good maintenance.
Preferably, single-chip microcomputer U1 is according to water flowers time signal in time range and the output solenoid valve start signal in setting.Concrete, single-chip microcomputer U1 to receive in the time signal of clock chip U2 month between 3 ~ May, real-time time o'clock at about 10 o'clock then output solenoid valve start signal; Or, single-chip microcomputer U1 to receive in the time signal of clock chip U2 month between 6 ~ August, real-time time o'clock is in about 8 o'clock or about 18 then output solenoid valve start signal; Or, single-chip microcomputer U1 to receive in the time signal of clock chip month between 12 ~ February, real-time time o'clock at about 13 o'clock then output solenoid valve start signal.Various Seasonal is watered to flowers and plants at Different periods, make flowers and plants carry out photosynthesis rightly and manufacture nutrient, real-time time point in the present embodiment is best watering time point, month after month carries out, therefore owing to watering flowers throughout the year, arranging of time point can produce great impact to flowers and plants, select best time point, the colored vitality raised is more indomitable, if need keep the skin wet certain time point flowers and plants carry out photosynthesis, and not obtaining the pouring that is suitable for, the flowers and plants that go down for a long time are long bad.
Referring to Fig. 2, preferably, the model of single-chip microcomputer U1 is AT89C51, the RST pin of clock chip U2 is connected to the P2.5 pin of single-chip microcomputer U1, the SCLK pin of clock chip U2 is connected to the P2.6 pin of single-chip microcomputer U1, the I/O pin of clock chip U2 is connected to the P2.7 pin of single-chip microcomputer U1, connects a crystal oscillating circuit between the X1 pin of clock chip U2 and X2 pin.Crystal oscillating circuit comprises the crystal oscillator Y2 be serially connected between X1 pin and X2 pin and electric capacity C1 and C2 playing filter action.
Further, single-chip microcomputer U1 comprises two Interruption register (not shown)s, first Interruption register is effective lower than being labeled during preset lower limit value at the moisture signal that single-chip microcomputer U1 receives, second Interruption register is labeled effectively when single-chip microcomputer U1 receives in the time signal of watering flowers in time range set, the priority of the first Interruption register is configured to higher than the second Interruption register, the interrupt mechanism of single-chip microcomputer U1 performs interruption according to these two Interruption registers, thus the output of Controlling solenoid valve start signal and closed electromagnetic valve signal, single-chip microcomputer U1 is simultaneously avoided to respond mistake, and single-chip microcomputer U1 preferentially judges moisture signal, shorten in flowers and plants lack of water or by the response time under exsiccosis.
Referring to Fig. 1, in the present embodiment, SCM Based small intelligent flower-watering system also comprises and connects single-chip microcomputer U1 and LCD (Liquid Crystal Display, liquid crystal display) display U4 in order to show moisture signal and time signal.
Preferably, magnetic valve U5 adopts the direct-acting electromagnetic valve of closed type, and control circuit is simple, and cost is lower, and water the time spent than do not water take time shorter.
The present invention obtains the humidity of flowerpot soil by humidity sensor, and in single-chip microcomputer, be provided with the bound of humidity value, when humidity value is prescribed a time limit lower than lower, single-chip microcomputer just controls to water, in watering proce, humidity sensor feeds back the humidity condition of flowerpot soil in real time, humidity value higher than in limited time Single-chip Controlling stop watering, can not cause water excessive, and, if when watering again lower than when lower limit when flowerpot soil moisture, flowers and plants have been in the state of lack of water or fast lack of water, if things go on like this can produce harmful effect to flowers and plants, and the present invention also provides real-time month and moment by clock chip, single-chip microcomputer is according to the time judges whether that needs water instantly, thus regularly can water to flowers and plants according to difference adjustment in season watering time, this watering proce humidity is still monitored by humidity sensor, humidity higher than on stopping in limited time watering, flowers and plants are not easy to be on the verge of exsiccosis, watering of timely and appropriate discovery can be obtained.
Although the present invention with preferred embodiment openly as above; but it is not for limiting claim; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible variation and amendment, the scope that therefore protection scope of the present invention should define with the claims in the present invention is as the criterion.
Claims (7)
1. a SCM Based small intelligent flower-watering system, is characterized in that, comprising: humidity sensor, clock chip, single-chip microcomputer and magnetic valve, described humidity sensor is embedded in the soil of flowerpot, the humidity of Real-time Obtaining soil and produce moisture signal, and sends moisture signal to single-chip microcomputer, the configuration of described clock chip provides real-time time signal, and described time signal comprises month instantly and real-time time point, described single-chip microcomputer obtains moisture signal and reads in time signal, the preset lower limit value for comparison moisture signal and preset upper limit value is provided with in single-chip microcomputer, single-chip microcomputer in response to moisture signal lower than preset lower limit value output solenoid valve start signal, single-chip microcomputer is also in response to water flowers time signal in time range and the output solenoid valve start signal in setting, magnetic valve is opened control water pump of watering flowers and is watered flowers according to magnetic valve start signal, magnetic valve open process in single-chip microcomputer in response to moisture signal higher than preset upper limit value output solenoid valve shutdown signal, magnetic valve open according to closed electromagnetic valve signal control water flowers water pump stop water flowers.
2. SCM Based small intelligent flower-watering system as claimed in claim 1, is characterized in that, described clock chip is the clock chip of model DS1302, is synchronous with Beijing time by its time signal configures.
3. SCM Based small intelligent flower-watering system as claimed in claim 1 or 2, it is characterized in that, described single-chip microcomputer also comprises in response in the time signal output solenoid valve start signal of watering flowers in time range of setting: described single-chip microcomputer to receive in the time signal of clock chip month between 3 ~ May, real-time time o'clock at about 10 o'clock then output solenoid valve start signal; Or, described single-chip microcomputer to receive in the time signal of clock chip month between 6 ~ August, real-time time o'clock is in about 8 o'clock or about 18 then output solenoid valve start signal; Or, described single-chip microcomputer to receive in the time signal of clock chip month between 12 ~ February, real-time time o'clock at about 13 o'clock then output solenoid valve start signal.
4. SCM Based small intelligent flower-watering system as claimed in claim 2, it is characterized in that, the model of described single-chip microcomputer is AT89C51, the RST pin of described clock chip is connected to the P2.5 pin of single-chip microcomputer, the SCLK pin of described clock chip is connected to the P2.6 pin of single-chip microcomputer, the I/O pin of described clock chip is connected to the P2.7 pin of single-chip microcomputer, connects a crystal oscillating circuit between the X1 pin of described clock chip and X2 pin.
5. SCM Based small intelligent flower-watering system as claimed in claim 1, it is characterized in that, described single-chip microcomputer comprises two Interruption registers, first Interruption register is effective lower than being labeled during preset lower limit value at the moisture signal that single-chip microcomputer receives, second Interruption register is labeled effectively when single-chip microcomputer receives in the time signal of watering flowers in time range set, the priority of the first Interruption register is configured to higher than the second Interruption register, the interrupt mechanism of single-chip microcomputer performs interruption according to these two Interruption registers, thus the output of Controlling solenoid valve start signal and closed electromagnetic valve signal.
6. SCM Based small intelligent flower-watering system as claimed in claim 1, is characterized in that, also comprises and connects single-chip microcomputer and LCD display in order to show moisture signal and time signal.
7. SCM Based small intelligent flower-watering system as claimed in claim 1, is characterized in that, described magnetic valve adopts the direct-acting electromagnetic valve of closed type.
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| CN105850664A (en) * | 2016-03-11 | 2016-08-17 | 柳州六品科技有限公司 | Water-saving irrigation system for sloping land |
| CN106342665A (en) * | 2016-10-28 | 2017-01-25 | 上海理工大学 | Timed sensing and watering device |
| CN107232034A (en) * | 2017-07-01 | 2017-10-10 | 岭南师范学院 | A kind of household automatic plant-sprinkling control system |
| CN107873497A (en) * | 2017-11-27 | 2018-04-06 | 佛山科学技术学院 | A kind of Intelligent watering fexible unit |
| CN107926654A (en) * | 2017-12-20 | 2018-04-20 | 申娟 | A kind of Intelligent watering method and system |
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Application publication date: 20151104 |