WO2017173871A1 - 一种发光装置及其调节植物生长的方法 - Google Patents
一种发光装置及其调节植物生长的方法 Download PDFInfo
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- WO2017173871A1 WO2017173871A1 PCT/CN2017/070409 CN2017070409W WO2017173871A1 WO 2017173871 A1 WO2017173871 A1 WO 2017173871A1 CN 2017070409 W CN2017070409 W CN 2017070409W WO 2017173871 A1 WO2017173871 A1 WO 2017173871A1
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- control signal
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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
- A01G7/00—Botany in general
- A01G7/04—Electric or magnetic or acoustic treatment of plants for promoting growth
- A01G7/045—Electric or magnetic or acoustic treatment of plants for promoting growth with electric lighting
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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
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/20—Forcing-frames; Lights, i.e. glass panels covering the forcing-frames
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
- H05B45/3725—Switched mode power supply [SMPS]
- H05B45/38—Switched mode power supply [SMPS] using boost topology
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
-
- 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
Definitions
- the invention belongs to the technical field of light-emitting devices, and in particular relates to a light-emitting device and a method for regulating plant growth.
- LED light sources have been widely used as a new generation of green energy-saving light sources.
- the LED light source can be used as a light source for plant growth due to its compact size and energy saving.
- the inventors have found that at least the following problems exist in the prior art: at present, most of the types of light sources on the market can only provide illumination, and can not automatically realize the timing of lighting off, and the current LED light source on the market does not turn off the lights, and The transition from the brightness of the lamp to the light is not consistent with the actual natural light and cannot completely simulate the natural light.
- the present invention is directed to the problem that the existing light source cannot completely simulate natural light, and provides a light-emitting device and a method thereof for regulating plant growth.
- a light emitting device includes a light source, a driving module, and a dimming control module; wherein
- the driving module is connected to the light source and the dimming control module, and the dimming control module is configured to output a control signal to the driving module, where the driving module is configured to adjust the brightness of the light source according to the control signal;
- the illumination device is characterized in that the dimming control module comprises a first controller for performing pulse width modulation.
- the first controller sequentially outputs by pulse width modulation:
- control signal having a duration of h 2 transitioning from a high level to a low level
- the control signal that transitions from a low level to a high level for a duration of h 4 .
- the dimming control module further includes a second controller, and the second controller controls the first controller to reset and output a high level control signal of a duration of h 1 when turned on.
- the driving module includes a DC-DC controller
- the dimming control module further includes a third controller, the third controller controls the DC-DC controller to be turned off when turned on, and controls the first 3 h length controller outputs a low level control signal.
- the first controller comprises a microcontroller (MCU controller).
- MCU controller microcontroller
- the microcontroller comprises a control chip, a voltage regulator, a sixth capacitor, and a seventh capacitor; wherein the sixth interface of the control chip is connected to the output port Vo of the voltage regulator, and the seventh of the control chip The interface is grounded; one end of the sixth capacitor and the seventh capacitor is grounded, and the fifth interface and the fourth interface of the control chip respectively connected to the sixth capacitor and the seventh capacitor are respectively connected.
- the light source comprises an LED light.
- the driving module comprises:
- a signal receiving end configured to receive a control signal
- a current adjustment unit configured to adjust a current magnitude of the input light source according to the control signal.
- the DC-DC controller comprises a power input port, a gate, a ground port, a current sampling port, a pulse width modulation receiving end, an output overvoltage protection port, an analog comparator port, and a voltage feedback port.
- the present invention also provides a method for regulating plant growth using the above-described light-emitting device,
- the illuminating device illuminates the plant as follows:
- the illuminating device irradiates the plant with a length h 1 , wherein the control signal is at a high level;
- the illuminating device irradiates the plant for a duration h 2 , wherein the control signal transitions from a high level to a low level;
- the illuminating device irradiates the plant for a duration h 3 , wherein the control signal is at a low level;
- the h 1 is 13 hours
- h 2 is 1 hour
- h 3 is 9 hours
- h 4 is 1 hour.
- the driving module is connected to the light source and the dimming control module, and the dimming control module outputs a control signal to the driving module, and the driving module adjusts the brightness of the light source according to the control signal.
- the illuminating device realizes automatic adjustment of the brightness of the light source, and is simple and convenient, and is not easy to make mistakes. Further, the brightness of the light source is adjusted by the control signal, and the automatic lighting of the light source is turned off.
- a natural brightness change transition process can be inserted in the middle of the light extinguishing, simulating dusk, dawn, and natural softness, when the plant is illuminated, It can completely simulate sunlight and is consistent with the day and night changes in nature, thus providing a suitable growth environment for plant growth and improving plant growth quality.
- the illuminating device of the present invention is suitable for illumination in various occasions, and is particularly suitable for regulating plant growth.
- FIG. 1 is a schematic structural view of a light-emitting device according to Embodiment 1 of the present invention.
- FIG. 2 is a schematic circuit diagram of a dimming control module according to Embodiment 2 of the present invention.
- FIG. 3 is a timing chart of an output control signal of a dimming control module according to Embodiment 3 of the present invention.
- FIG. 4 is a schematic diagram of a driving circuit of Embodiment 2 of the present invention.
- Figure 5 is a circuit diagram of a light-emitting device according to Embodiment 3 of the present invention.
- the embodiment provides a light-emitting device, as shown in FIG. 1 , including a light source, a driving module, and a dimming control module;
- the driving module is connected to a light source and a dimming control module, and the dimming control module is configured to output a control signal to the driving module, where the driving module is configured to adjust brightness of the light source according to the control signal, wherein the dimming control module A first controller for performing pulse width modulation is included.
- the driving module of the embodiment adjusts the brightness of the light source according to the control signal, realizes the automatic timing of the light source to turn off the light, and at the same time, through the PWM control, a natural brightness change transition process can be inserted in the middle of the light extinguishing, simulating the evening and dawn, when the illumination
- the illuminating device can completely simulate sunlight, thereby providing a suitable growth environment for plant growth, which is conducive to plant growth.
- the illuminating device of the present invention is suitable for illumination in various occasions, and is particularly suitable for regulating plant growth.
- the embodiment provides a light emitting device, including a light source, a driving module, and a dimming control module; wherein
- the driving module is connected to a light source and a dimming control module, and the dimming control module is configured to output a control signal to the driving module, where the driving module is configured to adjust brightness of the light source according to the control signal, wherein the dimming control module A first controller for performing pulse width modulation is included.
- the light source comprises an LED light.
- the light source used in the light-emitting device of the present invention preferably uses an LED lamp.
- the dimming control module includes a first controller, and the first controller sequentially outputs a high-level control signal of h 1 duration by pulse width modulation (PMW), and a high-voltage of h 2 duration A control signal that gradually transitions to a low level, a low-level control signal of h 3 duration, and a control signal that transitions from a low level of h 4 duration to a high level.
- PMW pulse width modulation
- the first controller selects the MCU controller, and the MCU controller includes the control chip U3, a low dropout regulator (LDO), and a sixth
- LDO low dropout regulator
- the capacitor C6, the seventh capacitor C7, the interface VDD of the control chip U3 is connected to the output port Vo of the regulator LDO, the interface VSS of the control chip U3 is grounded; the left end of the sixth capacitor C6, the seventh capacitor C7 is grounded, and the sixth capacitor C6, The right end of the seventh capacitor C7 is connected to the interfaces PB5 and PB4 of U3.
- PB2 pin of the MCU controller long cycle of the output level signal h 1, h 2 when the length of the duty ratio gradually from 100% to 0% of the PWM signal, the low level signal length 3 h, the duration h 4
- the dimming control module further includes a second controller, and the second controller controls the first controller to reset and output a high level control signal of a duration of h 1 when turned on.
- the driving module includes a DC-DC controller
- the dimming control module further includes a third controller, the third controller controls the DC-DC controller to be turned off when turned on, and controls the first The controller outputs a low level control signal for the duration of h3.
- the second controller and the third controller are provided outside the MCU controller, and the second controller is used as a reset button.
- the button is pressed, regardless of the state of the PB2 at this time, it is immediately reset and restarts the output. H 1 duration high level control signal.
- the third controller is used as a switch button.
- the reset button S1 of the second controller is connected to the interface PB3 of U3 at one end, and the other end is grounded.
- One end of the switch button of the third controller is connected to the interface PB1 of U3, and the other end is connected to the power input port Vin.
- the driving module comprises:
- a signal receiving end configured to receive a control signal
- a current adjustment unit configured to adjust a current magnitude of the input light source according to the control signal.
- the DCDC controller includes a power input port Vin, a gate GATE, a ground port GND, a current sampling port CS, a signal receiving terminal PMW, that is, a PWM enable terminal, and an output overvoltage protection terminal OVP.
- Analog comparator port COMP voltage feedback port FB.
- the port PB2 of the MCU controller is used to connect with the PWM enable terminal.
- the DCDC controller converts the input DC voltage into a constant DC current to illuminate the LED lamp.
- the PWM enable terminal can receive the control signal input by the dimming control module. When the dimming control module inputs a high level signal, the DCDC controller works. When the dimming control module inputs a low level signal, the DCDC controller stops. Working, through the dimming control module signal high and low level signal changes to achieve the lighting and lighting control.
- the DCDC controller PWM enable terminal implements dimming by receiving PWM signals with different duty cycle variations.
- the duty cycle of the PWM signal is 100%, the output current of the DCDC controller is 100%, that is, the full current output; when the duty ratio of the PWM varies between 100% and 0%, that is, the output current is at 100%-0. % change; when the duty cycle of the PWM signal is 0%, the output current of the DCDC controller is 0%, that is, no current output; the duty cycle of the PWM varies between 0% and 100%, that is, the output current is at 0%- 100% change, thus achieving dimming control.
- the circuit of the illuminating device mainly comprises two parts, one part is a driving circuit of the light source LED lamp, and converts the 15V DC voltage input from the power source into a constant DC current of 0.4A to provide a constant DC current to the LED lamp. .
- the other part is the timing dimming control circuit.
- the circuit is connected to the enable control pin PMW of the drive circuit through the output pin PB2. According to the high-level control signal output for 13 hours, the high level of 1 hour is gradually lowered to the low level.
- Transition control signal 9-hour low-level control signal, 1 hour low-level gradual high-level transition control signal control drive The working state of the moving circuit, thereby achieving timing and dimming control.
- the timing chart of the MCU controller output control signal is shown in Figure 3.
- the embodiment provides a method for adjusting plant growth by using the light-emitting device of the above embodiment.
- the illuminating device sequentially circulates the plants in the following steps:
- the illuminating device irradiates the plant with h for 1 hour under a high level control signal
- the illuminating device irradiates the plant with h for 2 hours under a control signal of a high level transitioning to a low level;
- the illuminating device irradiates the plant with h for 3 hours under a low level control signal
- the specific implementation manners of the foregoing embodiments may also perform many changes; for example, the transition time length from a low level to a high level, and the transition time length at which a high level changes to a low level may be performed according to specific use conditions. Adjustment. When used to illuminate different plants, the specific value of the high level can be adjusted according to the situation.
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- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Botany (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
Description
Claims (12)
- 一种发光装置,包括光源、驱动模块以及调光控制模块;其中,所述驱动模块连接所述光源和所述调光控制模块,所述调光控制模块用于向所述驱动模块输出控制信号,所述驱动模块根据所述控制信号调整所述光源的亮度,所述发光装置的特征在于,所述调光控制模块包括用于进行脉冲宽度调制的第一控制器。
- 根据权利要求1所述的发光装置,其特征在于,所述第一控制器通过脉冲宽度调制依次输出:时长为h1的高电平控制信号;时长为h2的从高电平向低电平过渡的控制信号;时长为h3的低电平控制信号;时长为h4的从低电平向高电平过渡的控制信号。
- 根据权利要求2所述的发光装置,其特征在于,所述第一控制器循环输出时长为h1、h2、h3、h4的控制信号,且h1+h2+h3+h4=24小时。
- 根据权利要求2所述的发光装置,其特征在于,所述调光控制模块还包括第二控制器,所述第二控制器在开启时控制第一控制器复位并输出h1时长的高电平控制信号。
- 根据权利要求2所述的发光装置,其特征在于,所述驱动模块包括直流-直流控制器,所述调光控制模块还包括第三控制器,所述第三控制器在开启时控制所述直流-直流控制器关闭,并且控制第一控制器输出h3时长的低电平控制信号。
- 根据权利要求2所述的发光装置,其特征在于,所述第一控制器包括微控制器。
- 根据权利要求6所述的发光装置,其特征在于,所述微控制器包括控制芯片,稳压器,第六电容,第七电容;其中,所述控制芯片的第六接口连接稳压器的输出端口,所述控制芯片的第七接口接地;所述第六电容、第七电容的一端接地,所述第六电容、第七电容另一端分别连接的控制芯片的第五接口、第四接口。
- 根据权利要求1所述的发光装置,其特征在于,所述光源包括LED灯。
- 根据权利要求1所述的发光装置,其特征在于,所述驱动模块包括:信号接收端,用于接收控制信号;电流调整单元,用于根据所述控制信号调整输入光源的电流大小。
- 根据权利要求5所述的发光装置,其特征在于,所述直流-直流控制器包括电源输入端口,栅极,接地端口,电流取样端口,脉冲宽度调制接收端,输出过压保护端口,模拟比较器端口,电压反馈端口。
- 一种利用权利要求1-10任一项所述的发光装置调节植物生长的方法,其特征在于,所述发光装置按以下步骤照射植物:发光装置向植物照射时长h1,其中控制信号为高电平;发光装置向植物照射时长h2,其中控制信号从高电平向低电平过渡;发光装置向植物照射时长h3,其中控制信号为低电平;发光装置向植物照射时长h4,其中控制信号从低电平向高电平过渡,其中h1+h2+h3+h4=24。
- 根据权利要求11所述的调节植物生长的方法,其特征在于所述h1为13小时,h2为1小时,h3为9小时,h4为1小时。
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CN105246191A (zh) * | 2015-09-09 | 2016-01-13 | 重庆平伟光电科技有限公司 | 用于植物照明光源配光的led灯光控制装置和控制方法 |
CN205454177U (zh) * | 2016-04-08 | 2016-08-10 | 京东方科技集团股份有限公司 | 一种发光装置 |
CN105898916A (zh) * | 2016-04-08 | 2016-08-24 | 京东方科技集团股份有限公司 | 一种发光装置及其调节植物生长的方法 |
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US20180199519A1 (en) | 2018-07-19 |
US10455772B2 (en) | 2019-10-29 |
CN105898916A (zh) | 2016-08-24 |
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