CN103314834B - A kind of Green Home plant maintenance control device based on arm processor - Google Patents

A kind of Green Home plant maintenance control device based on arm processor Download PDF

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Publication number
CN103314834B
CN103314834B CN201310228174.9A CN201310228174A CN103314834B CN 103314834 B CN103314834 B CN 103314834B CN 201310228174 A CN201310228174 A CN 201310228174A CN 103314834 B CN103314834 B CN 103314834B
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arm processor
module
drip irrigation
valve
plant
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CN103314834A (en
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马正华
戎海龙
焦竹青
周炯如
宋磊
陈岚萍
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CHANGZHOU XIAOGUO INFORMATION SERVICES Co.,Ltd.
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Changzhou University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion

Abstract

The invention discloses a kind of Green Home plant maintenance control device based on arm processor, comprise arm processor, precision drip irrigation system, Intelligent supplemental lighting system, PC, power module, camera, touch screen liquid crystal display, GPRS module, intelligent mobile phone terminal; Precision drip irrigation system, Intelligent supplemental lighting system, PC, camera, GPRS module are connected with arm processor and two-way communication respectively, power module is used for powering to arm processor, touch screen liquid crystal display is that arm processor carries display, and intelligent mobile phone terminal and GPRS module are by GSM network communication.The present invention uses LED cold light source as light compensating lamp light source, and Green Home plant health is grown fast; The security of system of device is high, cost is low, can realize accurate drip irrigation; The care field of the Green Home such as flower cultivation, small-size vegetable factory plant can be widely used in.

Description

A kind of Green Home plant maintenance control device based on arm processor
Technical field
The present invention relates to the maintenance control device of a kind of enforcement to the intelligent maintenance of the household such as flowers and plants, vegetables plant, particularly a kind of Green Home plant maintenance control device based on arm processor.
Background technology
Along with the development of Smart Home, people can according to self needing in conjunction with green or coloury Green Home plants of integrated condition apolegamy four seasons length such as weather, temperature, humidity, colors, and the place wanted people is at any time constructed one and got close to nature and unconventional natural living environment.Green Home plant can not only absorb the pernicious gas in air, can also regulate indoor air temperature, humidity, and it is that other arts work are irreplaceable to the benefit that people brings.But because indoor environment is comparatively moist and dark, the illumination required for house plant growth, moisture and nutriment are generally all difficult to be met.
At present conventional plant maintenance all depends on green house, vegetable works etc., but because of its floor space comparatively large, be applicable to penetrating, the outdoor spacious area of sunlight.The moisturizing of green house implants uses large-area sprinkling irrigation mode usually, and its shortcoming is cannot control sprinkling irrigation amount accurately, easily causes the phenomenon that moisturizing is too much.Green house implants light filling, its shortcoming: present stage China's major part be all rely on incandescent lamp, halogen tungsten lamp, high-pressure mercury fluorescent lamp, high-pressure mercury lamp etc. to carry out light filling as light source to plant, these traditional light compensation methods also exist that energy consumption is too high, Spectral matching is undesirable, utility rate of luminous energy is low, do not consider the impact of environmental pollution.Existing green house technology is unfavorable for applying in the indoor furniture of reality.
Summary of the invention
For plant conservation device above shortcomings in prior art, the invention provides a kind of Green Home plant maintenance control device, the care field of the Green Home such as flower cultivation, small-size vegetable factory plant can be widely used in.
Technical scheme of the present invention is:
Based on a Green Home plant maintenance control device for arm processor, comprise arm processor, precision drip irrigation system, Intelligent supplemental lighting system, PC, power module, camera, touch screen liquid crystal display, GPRS module, intelligent mobile phone terminal; Described precision drip irrigation system, Intelligent supplemental lighting system, PC, camera, GPRS module are connected with arm processor and two-way communication respectively, described power module is used for powering to arm processor, described touch screen liquid crystal display is that arm processor carries display, and described intelligent mobile phone terminal and GPRS module are by GSM network communication.
Further, described precision drip irrigation system comprises arm processor, stepper motor driver, stepper motor, frequency converter, immersible pump, valve, drip irrigation emitter, soil humidity sensor, A/D module, described arm processor, stepper motor driver, stepper motor, valve, drip irrigation emitter, soil humidity sensor, A/D module connect successively, A/D model calling is to arm processor, and described arm processor, frequency converter, immersible pump, valve connect successively.
Further, described precision drip irrigation system adopts FUZZY ALGORITHMS FOR CONTROL to the precision of plant process of irrigating.
Further, described Intelligent supplemental lighting system is made up of detection module and supplementary lighting module; Described detection module is used for subrane light intensity; If the light intensity detected lower than the threshold value of software set, then starts supplementary lighting module; The startup of described supplementary lighting module is controlled by detection module; The light filling signal that supplementary lighting module is used for sending according to arm processor processes, and controls the brightness of LED.
Further, described detection module detects reddish blue light intensity by reddish blue silicon photoelectric diode, and reddish blue light intensity is formed by 8:1.
The invention has the beneficial effects as follows:
1, fast, the low-power consumption of ARM processing speed, performance are powerful, chip is integrated into SDRAM, LCD equal controller in chip mostly, and kernel separates with the memory management of user's space, system will be caused to die because of the single program error of user, therefore the safety of system is high.The ethernet interface of same arm processor and the real-time communication realizing Green Home vegetation growth state of ICP/IP protocol Development Framework low cost.
2, for ensureing that the plant of household plantation obtains sufficient moisture and nutriment in indoor, reducing the duplication of labour of manpower, it also avoid plant and absorb too much moisture and nutriment and be in sub-health state.The present invention devises precision drip irrigation system.This system uses advanced soil environment sensor, design FUZZY ALGORITHMS FOR CONTROL, and control step motor and valve opening and closedown, reach the effect of accurate drip irrigation accurately.
3, illumination condition all has important impact to the growth rate of plant, output and quality.Present stage, China's major part was all rely on incandescent lamp, halogen tungsten lamp, high-pressure mercury fluorescent lamp, high-pressure mercury lamp etc. to carry out light filling as light source to plant, and these traditional light compensation methods also exist that energy consumption is too high, Spectral matching is undesirable, utility rate of luminous energy is low, do not consider the shortcomings such as the impact of environmental pollution.The invention solves the driving of multiple LED group and a control difficult problem for quantitative light filling, and successfully use LED cold light source as light compensating lamp light source, the artificial sunshine simulated required for plant growth, makes Green Home plant health be grown to serve as a kind of possibility fast.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of Green Home plant maintenance control device based on arm processor of the present invention;
Fig. 2 is the structured flowchart of precision drip irrigation system in the present invention;
Fig. 3 is the drive circuit figure of LED group in the present invention;
Fig. 4 is GPRS telecommunication figure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, a kind of Green Home plant maintenance control device based on arm processor of the present invention is made up of hardware components and software section.Wherein, the arm processor of hardware components connects precision drip irrigation system and Intelligent supplemental lighting system.Arm processor connects PC by netting twine, USB interface external camera.The external GPRS module of arm processor, GPRS module and intelligent mobile phone terminal are by GSM network communication.Arm processor carries touch screen liquid crystal display, by electric power source pair of module system power supply.
Automatic drip irrigation system is primarily of compositions such as arm processor, stepper motor driver, stepper motor, frequency converter, immersible pump, valve, drip irrigation emitter, soil humidity sensor, A/D modules.Fig. 2 is precision drip irrigation system flow chart.First control device opening initialization, humidity sensor detects the soil moisture near the drip irrigation emitter being inserted in soil inside, and through A/D module converts, signal gives the computing of the fuzzy controller in arm processor.According to FUZZY ALGORITHMS FOR CONTROL, when humidity threshold lower than arm processor software set, arm processor starts frequency converter and immersible pump, according to the FUZZY ALGORITHMS FOR CONTROL of arm processor, control step motor driver, changes stepper motor stepping-in amount, the switching value of by-pass valve control.Current carry out drip irrigation by drip irrigation emitter to plant through pipeline.When the humidity that soil humidity sensor detects is higher than the threshold value set, closing device, drip irrigation terminates.Here FUZZY ALGORITHMS FOR CONTROL selects soil moisture and output signal of processor umber of pulse as two fuzzy variables.Because certain umber of pulse corresponds to certain stepper motor anglec of rotation, the motor anglec of rotation is equivalent to valve opening again, therefore considers ARM control device output signal pulses to carry out analyzing the motor anglec of rotation of replacing and expecting as another fuzzy variable.
FUZZY ALGORITHMS FOR CONTROL: because certain umber of pulse corresponds to certain stepper motor anglec of rotation, the motor anglec of rotation is equivalent to valve opening again, consider the output signal motor anglec of rotation of expectation being replaced with arm processor, analyze as a fuzzy variable.According to the soil moisture range of suitable for plant growth, by the gelatinization of soil moisture Numerical-Mode, initialization system fuzzy control district, setting humidity threshold.Calculate psychrometric difference.The fuzzy subset describing the Linguistic Value of input variable and output variable be { negative maximum, negative large, in negative bias, in negative, negative bias is little, negative little, zero, just little, just less than normal, to hit exactly, in positively biased, honest, positive maximum }.Error (E) domain is quantified as 13 grades, i.e. {-6 ,-5 ,-4 ,-3 ,-2 ,-1,0 ,+1 ,+2 ,+3 ,+4 ,+5 ,+6 }.Draw E, U fuzzy control table.Wherein, E represents humidity error rank, and regional extent is setting value, and U represents the anglec of rotation of valve.System according to irrigating different phase water requirement and humidity error value under actual conditions, will determine the anglec of rotation of valve.Along with the change of soil moisture, valve opening is also along with change.Under humidity is regional extent in limited time, soil moisture, close to critical condition, is badly in need of irrigating, and now valve opening should be comparatively large, to supply water in time.When soil water amount is close to time saturated, for economizing on water to greatest extent, avoid running off and evaporation, valve needs to close in time.Consider that valve-off needs the regular hour, therefore when closing, operating angle is the smaller the better.FUZZY ALGORITHMS FOR CONTROL is adopted to carry out precision drip irrigation to plant.Reduce the duplication of labour of manpower widely, it also avoid plant and absorb too much moisture and nutriment.
Find that: 400 ~ 520nm(is blue after deliberation) light and 610 ~ 720nm(red) maximum for photosynthesis contribution.Ruddiness is conducive to the synthesis of plant carbohydrates, can accelerate the growth of long day plant.Royal purple light then accelerates short day plant and grows, and promotes protein and organic acid synthesis.The royal purple light of shortwave and ultraviolet can suppress stem internode elongation, promote the growth of multiple side shoot and bud.Therefore, in the present invention's design, have employed the light source of red blue dichromatism LED as plant lamp, the ratio using red blue dichromatism LED is 8:1, and after tested, synthesis wavelength of light now and the best desired spectral range of photosynthesis of plant coincide.
Intelligent supplemental lighting system is made up of detection module and supplementary lighting module.
Illumination in detection module detects and is divided into ruddiness light-intensity test and blue light light-intensity test, adopts wave-length coverage respectively at the blue light silicon photoelectric diode of 400 ~ 500nm and the ruddiness silicon photoelectric diode of wave-length coverage 600 ~ 700nm as detecting element.Then 4 road operational amplifier TL084 are adopted to carry out the faint analog signal of the silicon photoelectric diode changing and amplify collection respectively, analog signal sends into A/D module the most at last, data after conversion are finally sent in arm processor and are carried out operational analysis, thus realize subrane light-intensity test.If the light intensity detected lower than the threshold value of software set, then starts supplementary lighting module.
Supplementary lighting module comprises LED group and drive circuit thereof, and drive circuit adopts PT4115 chip drives modular circuit, and wherein design ruddiness module lamp group and blue module lamp group respectively, two module lamp groups work alone.Schematic diagram as shown in Figure 3.Wherein, the arrowband red LED array that LED group adopts rated power 1W, centre wavelength is 660nm and centre wavelength are the narrow-band blue light LED array of 450nm.When system enters automatic ration light filling state, according to the software algorithm in ARM controller, calculate actual light filling amount, again according to the dutycycle of mending two-way PWM1 corresponding to fader control and PWM2 signal, finally respectively the PWM1 signal of generation and PWM2 signal are sent into respectively the DIM control end of ruddiness module and blue module drive circuit PT4115 chip by arm processor.Controlled the output current of driving chip PT4115 by the signal of 2 road PWM, finally reach the brightness controlling LED.Coincide with photosynthesis of plant the best desired spectral range by the wavelength of light of the red blue dichromatism LED synthesis in the ruddiness module of 8:1 composition and blue module, realize the function of convenient, energy-conservation, the accurate light filling of Green Home plant.
The remote monitoring of maintenance control device, capital equipment has Ethernet interface and the ICP/IP protocol of camera, GPRS module and arm processor.Wherein GPRS module is communicated with whole system by GPRS terminal.After system receives the calling of intelligent mobile phone terminal, drop calls first automatically, then by the humidity of plant walls plant, the information such as the illumination form of note are returned to intelligent mobile phone terminal and feed back to user.The use of ICP/IP protocol allows user can understand the health status such as plant walls implants moisture, nutriment, illumination in real time by PC.
The GPRS terminal that common intelligent mobile phone terminal can consist of arm processor and GPRS module communicates with whole system.As shown in Figure 4.After system receives the calling of intelligent mobile phone terminal, drop calls first automatically, then the form of note is returned to intelligent mobile phone terminal and feeds back to user.Message reply content:
Green Home plant maintenance supervising device
Air themperature: XX air humidity: XX soil moisture: XX illumination: XX security protection: XX
The upgrowth situation of Green Home plant can be shown in real time by touch screen liquid crystal display.Arm processor is connected with PC by netting twine, the access of camera, be user-friendly to the upgrowth situation of the whole plant walls implants of PC video monitoring equally, also can control the operation of precision drip irrigation system and Intelligent supplemental lighting system, can solve in time when there is unexpected situation.
Structure of the present invention is simple, easy to operate, the effective maintenance control device of intelligence, not only solves moisture nutriment, illumination etc. the difficult problem required for Green Home plant growth, and can be widely used in Modern Smart Home society.Wherein the present invention devises with arm processor is the maintenance control device of core, and wherein control device contains advanced precision drip irrigation system, Intelligent supplemental lighting system, and with the addition of long distance control system.The utilization of these technology decreases labour, solves a difficult problem of carrying out flowers and plants cultivation, green vegetables plantation in indoor to a great extent.Rely on ethernet interface and the ICP/IP protocol of the inner arm processor of control device, the collection of the data such as the Green Home plant soil humidity in realization plantation module and the environmental information of periphery and real-time communication, realize Video Remote monitoring and grasp plant health situation.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (4)

1. based on a Green Home plant maintenance control device for arm processor, it is characterized in that: comprise arm processor, precision drip irrigation system, Intelligent supplemental lighting system, PC, power module, camera, touch screen liquid crystal display, GPRS module, intelligent mobile phone terminal; Described precision drip irrigation system, Intelligent supplemental lighting system, PC, camera, GPRS module are connected with arm processor and two-way communication respectively, described power module is used for powering to arm processor, described touch screen liquid crystal display is that arm processor carries display, and described intelligent mobile phone terminal and GPRS module are by GSM network communication; Described precision drip irrigation system adopts FUZZY ALGORITHMS FOR CONTROL to the precision of plant process of irrigating, that is: the motor anglec of rotation of expectation is replaced with the output signal of arm processor, analyze as a fuzzy variable; According to the soil moisture range of suitable for plant growth, by the gelatinization of soil moisture Numerical-Mode, initialization system fuzzy control district, setting humidity threshold; Calculate psychrometric difference; The fuzzy subset describing the Linguistic Value of input variable and output variable be { negative maximum, negative large, in negative bias, in negative, negative bias is little, negative little, zero, just little, just less than normal, to hit exactly, in positively biased, honest, positive maximum }; Humidity error domain is quantified as 13 grades, namely {-6 ,-5 ,-4 ,-3 ,-2 ,-1,0 ,+1 ,+2 ,+3 ,+4 ,+5 ,+6}; Draw E, U fuzzy control table, wherein, E represents humidity error rank, and regional extent is setting value, and U represents the anglec of rotation of valve; System, according to irrigating different phase water requirement and humidity error value under actual conditions, determines the anglec of rotation of valve; Along with the change of soil moisture, valve opening is also along with change; Under humidity is regional extent in limited time, soil moisture, close to critical condition, is badly in need of irrigating, and now valve opening should be comparatively large, to supply water in time; When soil water amount is close to time saturated, for economizing on water to greatest extent, avoid running off and evaporation, valve needs to close in time.
2. a kind of Green Home plant maintenance control device based on arm processor according to claim 1, it is characterized in that: described precision drip irrigation system comprises stepper motor driver, stepper motor, frequency converter, immersible pump, valve, drip irrigation emitter, soil humidity sensor, A/D module, described arm processor, stepper motor driver, stepper motor, valve, drip irrigation emitter, soil humidity sensor, A/D module connect successively, A/D model calling is to arm processor, and described arm processor, frequency converter, immersible pump, valve connect successively.
3. a kind of Green Home plant maintenance control device based on arm processor according to claim 1, is characterized in that: described Intelligent supplemental lighting system is made up of detection module and supplementary lighting module; Described detection module is used for subrane and detects light intensity; If the light intensity detected lower than the threshold value of software set, then starts supplementary lighting module; The startup of described supplementary lighting module is controlled by detection module; The light filling signal that supplementary lighting module is used for sending according to arm processor processes, and controls the brightness of LED.
4. a kind of Green Home plant maintenance control device based on arm processor according to claim 3, is characterized in that: described detection module detects reddish blue light intensity by reddish blue silicon photoelectric diode, and reddish blue light intensity is formed by 8:1.
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