CN109922578A - A kind of lighting system and method for plant factor - Google Patents
A kind of lighting system and method for plant factor Download PDFInfo
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- CN109922578A CN109922578A CN201910309063.8A CN201910309063A CN109922578A CN 109922578 A CN109922578 A CN 109922578A CN 201910309063 A CN201910309063 A CN 201910309063A CN 109922578 A CN109922578 A CN 109922578A
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Classifications
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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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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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
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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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
-
- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/50—Energy storage in industry with an added climate change mitigation effect
Abstract
This application discloses a kind of lighting system of plant factor and methods, comprising: the solar panel of the outer illumination of receiving chamber；Input terminal connect with solar panel, the DC-DC circuit of constant voltage output；It is connect with DC-DC circuit output end, for multiple LED light groups of plant illumination.Lighting system of the invention directly utilizes solar energy, electric energy is exported to LED light group by DC-DC circuit, so that LED light group illuminates target plant.The present invention has given up solar grid-connected, storage again to the approach of the power supplies such as LED, directly by solar powered, save the equipment conversion cost of DC-AC, AC-DC, reduces the cost of entire lighting system；Since solar energy assumes responsibility for light source energy consumption, power grid only needs to provide the remaining energy consumption of plant factor, hence it is evident that power supply structure is more economical.
Description
Technical field
The present invention relates to plant modern times culture technique field, in particular to the lighting system and method for a kind of plant factor.
Background technique
Plant factor is that a kind of environment is closed, plant training method according to plant demand Regulate Environment parameter, is usually adopted
Building enclosure is done with lighttight heat-insulating material, as far as possible limitation system inner air and outer air, energy exchange, makes plant in facility not
By or seldom restricted by outside climatic, to realize the periodically continued production of plant.
Electric energy is one of the key constraints of plant factor's development as power source unique in plant factor.By
Closed in plant factor's environment, the plant in plantation frame needs to provide lighting conditions, lighting energy consumption by lighting system for plant
50% or more of entire plant factor's energy consumption is accounted for.
If not introducing new energy, power grid energy is purely used, energy cost is higher, therefore it has been proposed that utilizes solar energy
Power generation, and solar power generation power is connected to the grid or is stored using large power energy storage device, then from power grid or energy storage device
The energy is exported, equipment needed for this method is more, and equipment cost and energy loss are all very important problems.
Therefore, how to provide a kind of scheme of solution above-mentioned technical problem is that current those skilled in the art need to solve
Problem.
Summary of the invention
In view of this, being plant factor the purpose of the present invention is to provide a kind of lighting system of plant factor and method
More energy efficient efficient illumination is provided.Its concrete scheme is as follows:
A kind of lighting system of plant factor, comprising:
The solar panel of the outer illumination of receiving chamber；
Input terminal connect with the solar panel, the DC-DC circuit of constant voltage output；
It is connect with the DC-DC circuit output end, for multiple LED light groups of plant illumination.
Preferably, the lighting system further includes the light intensity detector of intensity of illumination outside sensing chamber.
Preferably, the lighting system further include:
According to the outdoor optical according to the control circuit of LED light group brightness described in intensity adjustment.
Preferably, the control circuit includes the current-limiting circuit connecting with each LED light group.
Preferably, the lighting system further include:
Based on the light demand curve of target plant, it is positively correlated further according to the outdoor intensity of illumination and adjusts the LED
The control circuit of lamp group brightness.
Preferably, the lighting system further include:
The brightness of the LED light group and/or the control circuit of wavelength are adjusted according to the demand of target plant.
Preferably, the lighting system further include:
The energy-storage battery being connect with the output end of the DC-DC circuit.
Preferably, the lighting system further include:
The DC-AC circuit that input terminal is connect with the output end of the DC-DC circuit.
Correspondingly, the invention also discloses a kind of means of illumination of plant factor, comprising:
Utilize illumination outside solar panel receiving chamber；
The electric energy of the solar panel output is converted using the DC-DC circuit of constant voltage output；
Plant illumination is carried out by the electric energy that multiple LED light groups receive the DC-DC circuit output.
Preferably, the electric energy for receiving the DC-DC circuit output by multiple LED light groups carries out the mistake of plant illumination
Journey specifically includes:
Plant factor is illuminated by the electric energy that multiple LED light groups receive the DC-DC circuit output, it is described
The brightness of LED light group is obtained according to outdoor optical according to intensity adjustment.
The invention discloses a kind of lighting systems of plant factor, comprising: the solar panel of the outer illumination of receiving chamber；It is defeated
Enter end connect with the solar panel, the DC-DC circuit of constant voltage output；It connect, be used for the DC-DC circuit output end
Multiple LED light groups of plant illumination.Lighting system of the invention directly utilizes solar energy, defeated to LED light group by DC-DC circuit
Electric energy out, so that LED light group illuminates target plant.The present invention has given up solar grid-connected, storage again to the way of the power supplies such as LED
Diameter, but directly by solar powered, saves the equipment conversion cost of DC-AC, AC-DC, reduce entire lighting system at
This；Moreover, because solar energy assumes responsibility for light source energy consumption, power grid only needs to provide the remaining energy consumption of plant factor, hence it is evident that power supply structure
It is more economical.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of structure distribution figure of the lighting system of plant factor in the embodiment of the present invention；
Fig. 2 is a kind of structure distribution figure of DC-DC circuit in the embodiment of the present invention；
Fig. 3 is the structure distribution figure of another DC-DC circuit in the embodiment of the present invention；
Fig. 4 is a kind of structure distribution figure of the lighting system of specific plant factor in the embodiment of the present invention；
Fig. 5 is a kind of structure distribution figure of control circuit in the embodiment of the present invention；
Fig. 6 is the structure distribution figure of the lighting system of another specific plant factor in the embodiment of the present invention；
Fig. 7 is a kind of step flow chart of the means of illumination of plant factor in the embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is shown in Figure 1 the embodiment of the invention discloses a kind of lighting system of plant factor, comprising:
The solar panel 01 of the outer illumination of receiving chamber；
Input terminal connect with the solar panel 01, the DC-DC circuit 02 of constant voltage output；
It is connect with 02 output end of DC-DC circuit, for multiple LED light groups 03 of plant illumination.
Specifically, the lighting system of plant factor is cannot to directly acquire the external world based on the limitation of plantation frame conformational space, plant
In the case that illumination or ambient light shine the lighting demand for being insufficient for plant, capable of providing for each plant for being independently arranged is filled
The system of sufficient illumination.In plant factor, plant is placed on Planting board, according to plant demand height, in a plantation frame
Multi-layer planting plate can be installed；Configuration LED light group 03 provides illumination condition for plant above Planting board, setting battalion below Planting board
Nutrient solution pond provides nutrient for plant；Nutrient solution system further includes pump, liquid storing barrel, nutrition pipeline in addition to nutrition liquid pool
Road etc..
Specifically, DC-DC circuit 02 is constant voltage output, specific output voltage is set as needed, such as 50V, DC-DC circuit
02 for the direct current that solar panel 01 exports to be converted to the DC voltage of stable amplitude, by DC bus export to
LED light group 03.Since solar irradiation is non-constant, then the spread of voltage of solar panel 01, therefore DC-DC circuit 02 is specific
For the DC-DC circuit of input voltage wide scope, specific component parameters need the input electricity according to specific location solar irradiation
Pressure range is selected.
Specifically, DC-DC circuit 02 can be booster circuit Boost circuit, as shown in Figure 2；It is also possible to reduction voltage circuit
Buck circuit, as shown in Figure 3.Compare the input voltage (the voltage Vin of solar panel 01) and output electricity of DC-DC circuit 02
Pressure (for the voltage Vbus for the DC bus that LED light group 03 is powered), if most time input voltage is less than output voltage, selection
Booster circuit；If most time input voltage is greater than output voltage, reduction voltage circuit is selected.
By taking Fig. 2 as an example, Boost circuit includes main circuit and controller:
Main circuit includes inductance L1, diode D1 and switching tube S1, and for handling main power, the DC voltage of input is turned
It is changed to the higher another DC voltage of amplitude；
Controller includes resistance R1, capacitor C1, driving unit and other auxiliary circuits, for detecting the output of main circuit
Voltage, and the sampled value of the output voltage is input to the inverting input terminal of amplifier, and the preset value with amplifier non-inverting input terminal
Vref compares, and exports control signal to driving unit after carrying out differential amplification, is controlled by driving unit output drive signal
The switching tube S1 of main circuit, the voltage stabilization for exporting main circuit is in setting value.
Similarly, the on-off that the Buck circuit of Fig. 3 passes through similar principle control switch pipe S1.
Other than circuit mentioned above, DC-DC circuit 02 also can be used other circuit forms to realize, in the present embodiment not
It is restricted.
Multiple LED light groups 03 are all connected to 02 output end of DC-DC circuit namely DC bus both ends, each LED light group 03
Interior includes multiple LED lamp beads, and the connection relationship between these lamp beads can be whole series connection, all in parallel or series-parallel etc.,
The connection type of any LED lamp bead is within the scope of protection of this application.
It is understood that LED light group 03 connects DC voltage in the present embodiment, that is to say, that used in the present embodiment
Lighting source is direct current lamp, and compared with AC Lamp, direct current lamp has many advantages, such as that height is energy saving, high without stroboscopic, light efficiency, is more suitable for answering
Used in this environment for having demand to trimmed book body of plant factor.
As it appears from the above, the lighting system in the present embodiment from power supply source to voltage transformation module again to lighting lamp group, be
The form of direct current, it is significantly different with the lighting system of AC network power supply, it is direct current solar energy, needs turn also different from power supply source
Change the scheme of grid-connected powered lighting again, therefore current embodiment require that equipment be mainly used for illuminating, be not required to consider other by exchanging
The alternating current equipment of power grid power supply, compared with prior art, the lighting system of the present embodiment are installed and using simple single-minded.Due to illumination
System is the main energy consumption equipment of plant factor, when the solar panel 01 that power supply source is illumination outside receiving chamber, can be saved
Energy consumption of most plant factor in power grid is actually had adjusted the energy supply structure of plant factor, is replaced using solar energy
A part of power grid energy supply, so that energy supply structure more cleans, is efficient, is economic.
The invention discloses a kind of lighting systems of plant factor, comprising: the solar panel of the outer illumination of receiving chamber；It is defeated
Enter end connect with the solar panel, the DC-DC circuit of constant voltage output；It connect, be used for the DC-DC circuit output end
Multiple LED light groups of plant illumination.Lighting system of the invention directly utilizes solar energy, defeated to LED light group by DC-DC circuit
Electric energy out, so that LED light group illuminates target plant.The present invention has given up solar grid-connected, storage again to the way of the power supplies such as LED
Diameter, but directly by solar powered, saves the equipment conversion cost of DC-AC, AC-DC, reduce entire lighting system at
This；Moreover, because solar energy assumes responsibility for light source energy consumption, power grid only needs to provide the remaining energy consumption of plant factor, hence it is evident that power supply structure
It is more economical.
The embodiment of the invention discloses a kind of lighting systems of specific plant factor, relative to a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.Specific reference to shown in Fig. 4:
The lighting system of the present embodiment further includes the light intensity detector 04 of intensity of illumination outside sensing chamber.
It is understood that lighting system is powered by solar panel 01, solar irradiation has unstability, therefore is
Solar energy is more effectively utilized, needs light intensity detector 04 to understand outdoor intensity of illumination, and then is determined to maximize benefit
With the scheme of solar energy.
Correspondingly, the lighting system of the present embodiment further includes 03 brightness of LED light group according to the outdoor intensity of illumination
Control circuit 05.
Specifically, the control circuit 05 includes the current-limiting circuit 051 connecting with each LED light group 03.
Shown in Figure 5, the current-limiting circuit 051 is specially using impedance tube S to the electric current for flowing through the LED light group 03
The current-limiting circuit 051 being adjusted.
Wherein, current sample is carried out with the concatenated sampling resistor of impedance tube S, and the current sampling signal is input to integrated
The inverting input terminal of amplifier, compared with the reference signal V1 of non-inverting input terminal, output control signal controls the conducting of impedance tube S
Impedance is to flow through the electric current of impedance tube S no more than predetermined current.
In plant growth environment plant factor of less demanding, the lighting requirements of plant not at regular time and quantity, therefore are planted
The lighting system of object factory does not need that at regular time and quantity, by being equipped with the illumination system of solar energy, solar energy can be supplied yet
Energy is converted to illumination energy supply plant at any time, will not influence the growth of plant.In addition, setting solar energy converts the photograph of coming
Brightness and sunlight intensity are proportional, and when sunlight intensity reduces, the brightness of illumination of plant factor is also decreased, due to
Plant is not high to light sensitive degree, has no effect on the growth of plant, and this arrangement enhance the direct utilization rates of solar energy, are
The lighting system of plant factor reduces energy storage cost.
The embodiment of the invention discloses a kind of lighting systems of specific plant factor, relative to a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.
Specifically, the control circuit 05 is based on the light demand curve of the target plant, further according to the room
Outer intensity of illumination is positively correlated the control circuit 05 for adjusting 03 brightness of LED light group.
It is understood that the light demand curve and light saturated phenomenon, light saturation point, light compensation point of plant are closely related.
When other environmental conditions are constant, the variation of intensity of illumination decides the variation of net photosynthesis: when intensity of illumination is mended lower than light
When repaying, plant is in consumption and the state without accumulation, and only when intensity of illumination is more than light compensation point, plant just has organic matter
Accumulation；For plant under the strong light action more than its light saturation point, the excess load of photosynthetic process will lead to the utilization of light quantum instead
Rate reduces, and photosynthetic yield decline, too strong illumination even causes photosynthetic pigments and thylakoid structural damage.As it can be seen that illumination is strong
Degree has an impact to plant growth and development and building up for morphosis.
Therefore, in the higher plant factor of some planting requirements, the light demand curve of target plant is regarded as controlling
Basic principle of the circuit 05 when adjusting 03 brightness of LED light group；It is positively correlated as 03 brightness of LED light group and outdoor intensity of illumination,
It is then the electricity in order to enable LED light group 03 directly to export as far as possible using DC-DC circuit 02 in the case where being no more than light saturation point
It can illuminate, improve the direct utilization rate that the outdoor optical that solar panel 01 obtains shines.
Specifically, control circuit 05, which directly can correspond to table according to illumination, carries out relevant parameter regulation, which corresponds to table
It is as being obtained using test data, based on the light demand curve of target plant, with the outdoor positively related LED of intensity of illumination
The corresponding relationship of lamp group brightness data and electrical parameter is generally pre-stored within to wait in control circuit 05 and transfer at any time.
The embodiment of the invention discloses a kind of lighting systems of specific plant factor, relative to a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.Specifically, shown in Figure 6, the lighting system can also be wrapped
Include the energy-storage battery 06 connecting with the output end of the DC-DC circuit 02.
It is a kind of energy dissipation more than the illumination of light saturation point in growing process, thereby increases and it is possible to which secondary make is generated to plant
With.Therefore, the energy beyond plant demand, collects in energy-storage battery 06, the conduct when bad weather, outdoor optical are according to deficiency
Power supply is supplemented, supports the illumination of LED light group 03.
Further, lighting system can also include the DC-AC that input terminal is connect with the output end of the DC-DC circuit 02
Circuit 07.It is similar with energy-storage battery 06, if electric energy can supply in plant factor there are also residue after supply LED light group 03
Other electrical equipments, since most of electrical equipments use alternating current, it is therefore desirable to which DC-AC circuit 07 will be straight on DC bus
Galvanic electricity pressure is converted to alternating voltage, then accesses in the electrical equipments such as pump, fan, humidity controller.
The embodiment of the invention discloses a kind of lighting systems of specific plant factor, relative to a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.
Specifically, the lighting system of the present embodiment further includes adjusting the bright of the LED light group according to the demand of target plant
The control circuit 05 of degree and/or wavelength.
It is well known that the different stages of growth of different floristics, same plant, the demand to illumination is variant,
It is embodied in the difference of required wavelength, suitable brightness.Specifically, photosynthetic pigments have the absorption of luminous energy bright in terms of wavelength
Aobvious selectivity, the light of general short wavelength can inhibit the elongation growth of plant, and the light of different wave length can generate different photosynthetic productions
Object；In terms of light intensity, plant is when absorbing illumination there are light saturated phenomenon, and light saturation point, light compensation point be can not ignore, different light
The growth and development that also will affect plant according to intensity specifically includes plant germination, plant cycle growth, cold tolerance, nutrition life
The various aspects such as length, reproductive growth, and then will affect plant flowers, leaf, fruit color；In addition to this, light irradiation time also will affect plant
The growth and development of object, the physiological periods such as flowering of plant, suspend mode are related to light irradiation time.
Therefore, in the higher plant factor of some planting requirements, corresponding specific target plant type, it is desirable to provide wavelength
And/or brightness and/or the illumination most suitable LED light group of duration, and the setting of control circuit 05, expand the suitable of LED light group 03
With range, keep LED light group 03 more generally applicable, illumination can be provided for various plants, the mistake that plant maturation substitutes on Planting board
Cheng Zhong, plant factor do not need replacement hardware, it is only necessary to adjust the parameter in control circuit 03, so that it may change wavelength and/or bright
Degree, light environment preferably is provided for plant.
Specifically, a kind of light environment can only be set if the logical program of control circuit 05 is relatively simple, then illuminating
System can control all LED light groups 03 with only one control circuit 05, make the lighting environment phase of entirely corresponding plant regional
Together, lighting system also may include multiple control circuits 05, the corresponding LED light group for controlling the same area of each control circuit 05
03, realize the subregion Lighting control of plant factor；It, can be with if control circuit 05 can design more complicated logical program
All LED light groups 03 are connected in the control circuit 05, while different lighting parameters is set and carries out zonal control.
Correspondingly, the embodiment of the invention also discloses a kind of means of illumination of plant factor, it is shown in Figure 7, comprising:
S1: the outer illumination of solar panel receiving chamber is utilized；
S2: the electric energy of the solar panel output is converted using the DC-DC circuit of constant voltage output；
S3: plant illumination is carried out by the electric energy that multiple LED light groups receive the DC-DC circuit output.
In some preferred embodiments, the DC-DC circuit output is received by multiple LED light groups described in step S3
Electric energy carries out the process of plant illumination, specifically includes: the electricity of the DC-DC circuit output is received by multiple LED light groups
Plant factor can be illuminated, the brightness of the LED light group is obtained according to outdoor optical according to intensity adjustment.
The embodiment of the present invention has given up solar grid-connected, storage again to the approach of the power supplies such as LED, but directly by solar energy
Power supply, saves the equipment conversion cost of DC-AC, AC-DC, reduces the cost of entire lighting system；Moreover, because solar energy is held
Light source energy consumption is carried on a shoulder pole, power grid only needs to provide the remaining energy consumption of plant factor, hence it is evident that power supply structure is more economical.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The lighting system and method for a kind of plant factor provided by the present invention are described in detail above, herein
Apply that a specific example illustrates the principle and implementation of the invention, the explanation of above example is only intended to help
Understand method and its core concept of the invention；At the same time, for those skilled in the art, according to the thought of the present invention,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of invention.
Claims (10)
1. a kind of lighting system of plant factor characterized by comprising
The solar panel of the outer illumination of receiving chamber；
Input terminal connect with the solar panel, the DC-DC circuit of constant voltage output；
It is connect with the DC-DC circuit output end, for multiple LED light groups of plant illumination.
2. lighting system according to claim 1, which is characterized in that further include the light-intensity test of intensity of illumination outside sensing chamber
Device.
3. lighting system according to claim 2, which is characterized in that further include:
According to the outdoor optical according to the control circuit of LED light group brightness described in intensity adjustment.
4. lighting system according to claim 3, which is characterized in that the control circuit includes:
The current-limiting circuit being connect with each LED light group.
5. lighting system according to claim 2, which is characterized in that further include:
Based on the light demand curve of target plant, it is positively correlated further according to the outdoor intensity of illumination and adjusts the LED light group
The control circuit of brightness.
6. lighting system according to claim 1, which is characterized in that further include:
The brightness of the LED light group and/or the control circuit of wavelength are adjusted according to the demand of target plant.
7. according to claim 1 to any one of 6 lighting systems, which is characterized in that further include:
The energy-storage battery being connect with the output end of the DC-DC circuit.
8. lighting system according to claim 7, which is characterized in that further include:
The DC-AC circuit that input terminal is connect with the output end of the DC-DC circuit.
9. a kind of means of illumination of plant factor characterized by comprising
Utilize illumination outside solar panel receiving chamber；
The electric energy of the solar panel output is converted using the DC-DC circuit of constant voltage output；
Plant illumination is carried out by the electric energy that multiple LED light groups receive the DC-DC circuit output.
10. means of illumination according to claim 9, which is characterized in that described to receive the DC-DC by multiple LED light groups
The electric energy of circuit output carries out the process of plant illumination, specifically includes:
Plant factor is illuminated by the electric energy that multiple LED light groups receive the DC-DC circuit output, the LED
The brightness of lamp group is obtained according to outdoor optical according to intensity adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN110996427A (en) * | 2019-11-04 | 2020-04-10 | 四维生态科技（杭州）有限公司 | Illumination adjusting method and device for plant factory |
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