CN104519649A - Plant growth lamp dimming method based on carrier wave - Google Patents
Plant growth lamp dimming method based on carrier wave Download PDFInfo
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- CN104519649A CN104519649A CN201510014716.1A CN201510014716A CN104519649A CN 104519649 A CN104519649 A CN 104519649A CN 201510014716 A CN201510014716 A CN 201510014716A CN 104519649 A CN104519649 A CN 104519649A
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- dimming
- intensity
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- plant growth
- greenhouse
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/14—Measures for saving energy, e.g. in green houses
Abstract
The invention provides a plant growth lamp dimming method based on a carrier wave. The plant growth lamp dimming method comprises the following steps: a master controller obtaining an illumination intensity parameter in a greenhouse through an illumination sensor, and combining the illumination intensity parameter required for plant growth in the greenhouse to calculate the duty ratio of MOS tubes of two paths of flyback converters, wherein illumination intensity comprises red light intensity and blue light intensity; the master controller utilizing a power carrier wave to send a dimming information command to a terminal controller, wherein the dimming information command comprises duty ratio information of the MOS tube of two paths of flyback converters; the terminal controller analyzing the duty ratio information of the MOS tube of two paths of flyback converters from the dimming information command, outputting the PWM signal of corresponding duty ratio, and thus realizing constant current dimming of a red light lamp bank and a blue light lamp bank. According to the plant growth lamp dimming method based on the carrier wave provided by the invention, the red light intensity and the blue light intensity in the greenhouse can be conveniently adjusted, and better growth of various plants in all growth stages is promoted.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of plant growth lamp light-dimming method based on carrier wave.
Background technology
Luminous environment is the important physical environmental factor of plant growth, and LED plant growth lamp for providing light source needed for plant growth (promoting the Red and blue light of photosynthesis of plant), and provides enough illumination to penetrate, with Promoting plant growth for plant.
On the one hand, because weather is constantly change, the intensity of illumination in different time point greenhouses is usually not identical.On the other hand, test finds: plant is at different growth phases, such as Seedling Stage, growth period, florescence and fructescence etc., not identical to the demand of the intensity of illumination of ruddiness or blue light, different types of plant is not identical in the demand of identical growth phase to the intensity of illumination of ruddiness or blue light yet.But, the luminous intensity of LED plant growth lamp of the prior art usually can not adjust or be inconvenient to adjust, such as, normally adjust the Integral luminous intensity of LED plant growth lamp by changing the configuration quantity of LED plant growth lamp and configuration density, to meet all kinds of plant in the demand of each growth phase to the intensity of illumination of ruddiness or blue light.
Summary of the invention
For the above-mentioned defect of prior art, the invention provides a kind of plant growth lamp light-dimming method based on carrier wave.
Plant growth lamp light-dimming method based on carrier wave provided by the invention, by utilizing master controller, optical sensor, carrier module, terminal control unit, dimming driving circuit and two-way anti exciting converter to carry out constant-current dimming to red globe lamp group and blue-ray light group respectively, specifically comprise:
Master controller obtains the intensity of illumination parameter in greenhouse by optical sensor, and described intensity of illumination comprises red light intensity and blue light strength;
The intensity of illumination calculation of parameter of master controller needed for the intensity of illumination parameter in greenhouse and the plant in greenhouse goes out the duty ratio of the metal-oxide-semiconductor of the two-way anti exciting converter for coordinate plant growth lamp luminous intensity;
Master controller sends dimming information instruction by carrier module to terminal control unit, and described dimming information instruction comprises the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter;
Terminal control unit receives the dimming information instruction that master controller sends, and from described dimming information instruction, parse the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter, export the pwm signal of corresponding duty ratio, realize the constant-current dimming to red globe lamp group and blue-ray light group.
Method as above, wherein, stores the intensity of illumination parameter of all kinds of plant needed for each growth phase in described master controller, or user is by the intensity of illumination parameter needed for plant in the control inerface input greenhouse of master controller.
Plant growth lamp light-dimming method based on carrier wave provided by the invention, the constant-current dimming to red globe lamp group and blue-ray light group is realized respectively by master controller, optical sensor, carrier module, dimming driving circuit and two-way anti exciting converter, be specially: first, master controller obtains the intensity of illumination parameter in greenhouse by optical sensor, wherein, intensity of illumination comprises red light intensity and blue light strength; Then, the duty ratio of the metal-oxide-semiconductor of the intensity of illumination calculation of parameter two-way anti exciting converter of master controller needed for the intensity of illumination parameter in greenhouse and the plant in greenhouse, wherein, two-way anti exciting converter, one tunnel is used for the luminous intensity of red globe lamp group in coordinate plant growth lamp, and a road is used for the luminous intensity of blue-ray light group in coordinate plant growth lamp.Further, master controller sends the dimming information instruction comprising the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter to terminal control unit by carrier module, terminal control unit is after the dimming information instruction receiving master controller transmission, the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter is parsed from dimming information instruction, and export the pwm signal of corresponding duty ratio, realize the constant-current dimming to red globe lamp group and blue-ray light group.Plant growth lamp light-dimming method based on carrier wave provided by the invention, the red light intensity in greenhouse and blue light strength can be adjusted easily, meet all kinds of plant in the different demands of each growth phase to red globe lamp and blue light, therefore, it is possible to promote that plant better grows.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the plant growth lamp light adjusting system based on carrier wave provided by the invention;
Fig. 2 is the flow chart of the plant growth lamp light-dimming method based on carrier wave provided by the invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the schematic diagram of the plant growth lamp light adjusting system based on carrier wave provided by the invention.As shown in Figure 1, the plant growth lamp light adjusting system of the embodiment of the present invention comprises master controller, power module, carrier module, optical sensor, terminal control unit, dimming driving circuit, anti exciting converter and plant growth lamp.Wherein, power module is connected with master controller, carrier module, and for powering for controller and carrier module, optical sensor is used for the intensity of illumination provided for controller in greenhouse.The defeated dimming commands signal that sends of master controller to carrier module, dimming commands signal by electric force carrier transmission to terminal control unit.LED plant growth lamp is made up of red globe lamp group and blue-ray light group, LED plant growth lamp is connected to 220V AC power, the dimming driving circuit that red globe lamp group is corresponding different respectively with blue-ray light group, terminal control unit exports two-way PWM(PWM1, PWM2) control signal is to two-way dimming driving circuit, dimming driving circuit connects metal-oxide-semiconductor (K1, K2) grid, the drain electrode of metal-oxide-semiconductor and anti exciting converter (UC1, UC2) the different name end of former limit inductance connects, the Same Name of Ends of anti exciting converter former limit inductance connects 220V AC power by rectification filtering module, anti exciting converter secondary inductance is by diode (D1, D2) the red globe lamp group of plant growth lamp or the two ends of blue-ray light group are connected to, the electric capacity (C1, C2) in parallel with the red globe lamp group of plant growth lamp or blue-ray light group is provided with between the positive pole and the Same Name of Ends of secondary inductance of diode.Master controller is known intensity of illumination in greenhouse by optical sensor and is sent dimming commands to terminal control unit, terminal control unit exports two-way PWM(PWM1, PWM2) signal is to two-way dimming driving circuit, one road PWM(PWM1) signal is used for the red globe lamp group of coordinate plant growth lamp, another road PWM(PWM2) signal is used for the blue-ray light group of coordinate plant growth lamp.
Plant growth lamp light-dimming method based on carrier wave provided by the invention is the constant-current dimming realizing red globe lamp group and blue-ray light group respectively by master controller, optical sensor, carrier module, terminal control unit, dimming driving circuit and two-way anti exciting converter (UC1, UC2).
Fig. 2 is the flow chart of the plant growth lamp light-dimming method based on carrier wave provided by the invention.As shown in Figure 2, the plant growth lamp light-dimming method based on carrier wave specifically can comprise following content.
S201, master controller obtain the intensity of illumination parameter in greenhouse by optical sensor, and intensity of illumination comprises red light intensity and blue light strength.
S202, the master controller intensity of illumination calculation of parameter needed for the intensity of illumination parameter in greenhouse and the plant in greenhouse goes out the duty ratio of the metal-oxide-semiconductor of the two-way anti exciting converter for coordinate plant growth lamp luminous intensity.
Wherein, user by the intensity of illumination parameter of all kinds of plant needed for each growth phase stored in master controller, also can input the intensity of illumination parameter needed for plant in greenhouse immediately by the control inerface of master controller.Master controller is according to the red light intensity in greenhouse and blue light strength, and the red light intensity needed for plant in greenhouse and blue light strength, calculate for regulating the duty ratio of the metal-oxide-semiconductor of red globe lamp group (K1) and for regulating the duty ratio of the metal-oxide-semiconductor (K2) of blue-ray light group.
S203, master controller send dimming information instruction by carrier module to terminal control unit, and dimming information instruction comprises the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter.
S204, terminal control unit receive the dimming information instruction that master controller sends, and from dimming information instruction, parse the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter, export the pwm signal of corresponding duty ratio, realize the constant-current dimming to red globe lamp group and blue-ray light group.
The dimming information instruction that master controller sends by electric force carrier transmission to terminal control unit.The duty cycle information of the metal-oxide-semiconductor of the two-way anti exciting converter that terminal control unit comprises according to dimming information instruction exports two-way PWM(Pulse Width Modulation, pulse width modulation) signal controls the metal-oxide-semiconductor of two-way anti exciting converter, wherein, two-way anti exciting converter, one tunnel is used for the luminous intensity of red globe lamp group in coordinate plant growth lamp, one tunnel is used for the luminous intensity of blue-ray light group in coordinate plant growth lamp, utilize the high energy storage effect of anti exciting converter, realize the constant-current dimming to red globe lamp group and blue-ray light group.
In sum, plant growth lamp light-dimming method based on carrier wave provided by the invention, by master controller, optical sensor, carrier module, terminal control unit, dimming driving circuit and two-way anti exciting converter realize the constant-current dimming to red globe lamp group and blue-ray light group respectively, be specially: first, master controller obtains the intensity of illumination parameter in greenhouse by optical sensor, and wherein, intensity of illumination comprises red light intensity and blue light strength; Then, the duty ratio of the metal-oxide-semiconductor of the intensity of illumination calculation of parameter two-way anti exciting converter of master controller needed for the intensity of illumination parameter in greenhouse and the plant in greenhouse, wherein, two-way anti exciting converter, one tunnel is used for the luminous intensity of red globe lamp group in coordinate plant growth lamp, and a road is used for the luminous intensity of blue-ray light group in coordinate plant growth lamp.Further, master controller sends the dimming information instruction comprising the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter to terminal control unit by carrier module, terminal control unit is after the dimming information instruction receiving master controller transmission, the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter is parsed from dimming information instruction, and export the pwm signal of corresponding duty ratio, realize the constant-current dimming to red globe lamp group and blue-ray light group.Plant growth lamp light-dimming method based on carrier wave provided by the invention, the red light intensity in greenhouse and blue light strength can be adjusted easily, meet all kinds of plant in the different demands of each growth phase to red globe lamp and blue light, therefore, it is possible to promote that plant better grows.
Last it is noted that the foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. the plant growth lamp light-dimming method based on carrier wave, it is characterized in that, utilize master controller, optical sensor, carrier module, terminal control unit, dimming driving circuit and two-way anti exciting converter to carry out constant-current dimming to red globe lamp group and blue-ray light group respectively, specifically comprise:
Master controller obtains the intensity of illumination parameter in greenhouse by optical sensor, and described intensity of illumination comprises red light intensity and blue light strength;
The intensity of illumination parameter of master controller needed for the intensity of illumination parameter in greenhouse and the plant in greenhouse, calculates the duty ratio of the metal-oxide-semiconductor of the two-way anti exciting converter for coordinate plant growth lamp luminous intensity;
Master controller sends dimming information instruction by carrier module to terminal control unit, and described dimming information instruction comprises the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter;
Terminal control unit receives the dimming information instruction that master controller sends, and from described dimming information instruction, parse the duty cycle information of the metal-oxide-semiconductor of two-way anti exciting converter, export the pwm signal of corresponding duty ratio, realize the constant-current dimming to red globe lamp group and blue-ray light group.
2. method according to claim 1, it is characterized in that, store the intensity of illumination parameter of all kinds of plant needed for each growth phase in described master controller, or user is by the intensity of illumination parameter needed for plant in the control inerface input greenhouse of master controller.
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| CN201510014716.1A CN104519649A (en) | 2015-01-13 | 2015-01-13 | Plant growth lamp dimming method based on carrier wave |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104869718A (en) * | 2015-06-01 | 2015-08-26 | 重庆星联云科科技发展有限公司 | Non-isolation LED plant growth light driving power supply |
| CN104982242A (en) * | 2015-08-03 | 2015-10-21 | 京东方科技集团股份有限公司 | Intelligent dimmer system and method of crop growth process |
| CN106793332A (en) * | 2017-01-12 | 2017-05-31 | 河南智圣普电子技术有限公司 | Implement the Lighting Control Assembly and method of Different Strategies in Free Partition |
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| CN104982242B (en) * | 2015-08-03 | 2018-09-04 | 京东方科技集团股份有限公司 | A kind of intelligent Light-control System in process of crop growth and method |
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| CN106793332B (en) * | 2017-01-12 | 2018-10-09 | 河南智圣普电子技术有限公司 | Implement the lighting control system and method for Different Strategies in Free Partition |
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Application publication date: 20150415 |