CN101977462A - LED light source control system for intelligent broiler breeding - Google Patents
LED light source control system for intelligent broiler breeding Download PDFInfo
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- CN101977462A CN101977462A CN2010102841713A CN201010284171A CN101977462A CN 101977462 A CN101977462 A CN 101977462A CN 2010102841713 A CN2010102841713 A CN 2010102841713A CN 201010284171 A CN201010284171 A CN 201010284171A CN 101977462 A CN101977462 A CN 101977462A
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- led
- light source
- led light
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K31/00—Housing birds
- A01K31/18—Chicken coops or houses for baby chicks; Brooders including auxiliary features, e.g. feeding, watering, demanuring, heating, ventilation
- A01K31/19—Brooders ; Foster-mothers; Hovers
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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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- 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
- H05B47/175—Controlling the light source by remote control
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
In the growth process of broilers, the requirements on light quality, light intensity and light period are complex and high, so an intelligent dimming light supplementing system is urgently needed for poultry house illumination. The invention provides an LED light source control system for intelligent broiler breeding, which is characterized by comprising an LED light source controller, an LED total power supply and a plurality of LED lamp tubes, wherein the LED light source controller comprises a microprocessor, and a clock unit and a serial communication interface unit which are connected with the microprocessor; an internal memory E2PROM for storing a broiler growth curve regulation parameter is arranged in the microprocessor; a software module for setting the broiler growth curve regulation parameter is arranged in a computer; and a control software module is embedded into the microprocessor. By using a program-controlled LED lamp, the light quality, the light intensity and illumination time can be automatically regulated, and the requirements of the broilers at different growth stages on illumination time and illumination intensity can be met.
Description
Technical field
The present invention relates to the light-source control system that fryer is cultured, particularly a kind of led light source control system that is used for intelligent fryer breed.
Background technology
Recent decades, people are always from the angle of improving efficiency of feed utilization and growth rate and illumination solution is being explored.Although multiple illumination solution all can make efficient that suitable improvement is arranged, few of raiser can adopt these schemes because of the defective of fryer hen house.In the prior art, the raising of fryer mainly realizes optical illumination by incandescent lamp, fluorescent lamp etc.These light can not satisfy the demand of the quick growth of fryer far away, and fryer strain genetic progress for many years accelerated the appearance of the various metabolic disorders of early growth of fryer greatly, as leg disease, ascites symptoms and SDS, have increased aquaculture cost.
For addressing this problem, fryer is already had to adopt luminescence method, reduces stocking density, is reduced daily ration nutrient density and restriction feeding capacity or the like method.Developed the illumination solution of three major types type in the prior art: (1) 16 hour bright, and 8 hours dark; (2) cumulative illumination; (3) intermittent illumination.The first two is planted illumination and has obtained extensive use in the fryer industry.Though intermittent illumination is effective, owing to problems such as not having effective light source and lamp light control system fails to be applied.In general, thus adopting certain illumination solution is that early growth for the fryer that slows down makes the muscle growth of fryer keep corresponding speed with bone growth.Certain illumination solution can be by the slow down growth of fryer of the control feed intake of fryer in the critical period, but most of illumination solution all can reduce the ratio of brisket weight with respect to body weight, and the output that cuts meat can reduce more than the 1-2%.
The researcher of Holland University of Saskatchewan has proposed a kind of cumulative illumination solution in the eighties mid-term, and when adopting cumulative illumination solution, early stage light application time every day only is 6～8 hours, and just is increased to 23 hours to butchering preceding 1～2 illumination every day when all.The basic purpose that reduces early stage illumination level is to make skeleton development lead over muscle growth, and cumulative illumination can cause the anabolic hormone secretion surge of later stage in growth period and growth and muscle when promoting this increases.Adopt the illumination solution of this type all very successful always aborning, but must make great efforts to make that these schemes can access correct enforcement.But scheme is very complicated, and does not have corresponding illumination system to serve and this scheme.
The now increasing fryer field various illumination solution that begin one's study, and developed multiple different scheme, reduce the loss of body weight and efficiency of feed utilization simultaneously as far as possible so that reduce the incidence of metabolic disorders.But, do not have a company can develop a kind of relatively simple illumination system and can in all chicken houses, can both obtain correct application so that guarantee it.
Summary of the invention
The present invention is directed to the high energy consumption that adopts traditional artificial light source to exist in the existing fryer cultivating process, photochromic impure, deficiency such as the life-span is short, a kind of led light source control system that intelligent fryer is cultured that is used for is provided, can improve the growth performance of fryer effectively, increase economic efficiency, realize the purpose that volume increase and source reduce discharging; And the present invention both can reduce the death rate, can make growth rate reach higher level again.
Adopt monochromatic light can satisfy the biology demand of chicken body ideally among the present invention, can bring into play its growth performance to heavens.Especially concerning chicks for meat, adopt the green light illumination more much better than the incandescent lamp or the red colored lamp of same illumination.The chick of several leading age in days particularly, the hen house when just entering strong stress situation adopts the green light illumination, has tangible sedation, only will be steady through 3～6 hours chick, and actively search for food.
The present invention is for the demand of the finishing period initial stage illumination that guarantees fryer, develop a nested structure simple, applicable to the light-source control system of any hen house.The present invention adopts following technical scheme: a kind of led light source control system that is used for intelligent fryer breed, it is characterized in that it comprises led light source controller, the total power supply of LED and a plurality of LED fluorescent tube, described LED fluorescent tube is connected by the drive circuit of power line with the led light source controller; To the LED lamp tube power supply, the total power supply of LED comprises mains power socket and civil power is converted to galvanic voltage conversion device the total power supply of described LED by the led light source controller; Each LED fluorescent tube is made of a plurality of LED lamps that are linear array, and described LED lamp is the green LED lamp that satisfies the growth of meat chicken demand;
Described led light source controller comprises microprocessor, the clock unit that is connected with this microprocessor and serial communication interface unit; Be provided with the internal storage E of storage growth of meat chicken curve adjustment parameter in this microprocessor
2PROM; This serial communication interface unit also carries out Data Receiving, transmission with a computer, the software module that is provided with of one growth of meat chicken curve adjustment parameter is housed in the computer, the embedded Control Software module of described microprocessor by the setting of pulse-width modulation (PWM), realizes the adjusting strong to LED light; Described clock unit is used for the light application time of LED lamp and the setting of periodicity of illumination;
In the adjustment process of light, at different growth phases the demand of different light medium is provided with parameter in clock signal and the microprocessor main control chip according to fryer: in 0-2 days at the brood time growth of meat chicken, regulate duty ratio by PWM output, the green intensity of illumination that keeps 24 hours every days is the whole day illumination of 15-30lux, at internal storage E
2Constant parameter is set among the PROM, continues constant output signal driven MOS pipe, by the clock setting driving time cycle be 48 hours and continuous clock pulse signal, guarantee driving time; At 3-14 days of the brood time growth of meat chicken, maintenance green intensity 10-25lux was dark-coloured in the time period of 22:00～23:59 in the time period of 0:00～21:59, and the driving time that clock is set is at interval corresponding; 15-42 days of finishing period growth of meat chicken keep green intensity 5-20lux in the time period of 0:00～21:59, dark-coloured in the time period of 22:00～23:59, and the driving time that clock is set is at interval corresponding.
Green LED lamp can be set up adjustable lay the grain amount, spectrum, be given the artificial light source of light frequency with the work ratio, and the light of continuous flicker free or the green light of high frequency flicker can optionally be provided, and satisfies in the raising of fryer the demand to light.Interval between the adjacent LED lamp can suitably be regulated according to actual conditions.
The output of the total power supply of LED is controlled by the led light source controller, and concrete power supply parameter (size of power-on time, cycle and power supply) is that the growth parameter(s) (growth cycle and growth conditions) according to fryer changes.
In the demand of different growth phases to different light medium, at different growth phases, the present invention is provided with growth curve adjusting parameter by the software module that is provided with in the computer respectively, parameter is stored into the internal storage E of microprocessor (MCU) at fryer
2Among the PROM, after each parameter storage finishes, just computer can be withdrawn (parameter in same growth phase is consistent, does not need to be provided with again) from the present invention.Control Software module in the microprocessor reads internal storage E
2The stored parameter of PROM moves this Control Software module, is used for the control that lamp is bright or lamp goes out, thereby realizes the adjusting strong to LED light.
As the further of technique scheme improved and replenish, the present invention takes following technical measures:
Described microprocessor adopts the MEGA8L of AVR series as main control chip, comes the driving LED lamp by I/O mouth line driven MOS pipe, regulates duty ratio by PWM output, realizes the adjusting strong to LED light.
Wherein, be connected with electric capacity of voltage regulation between the high potential pin of described main control chip and the grounding pin.
Wherein, described clock unit is connected with the reserve DC power supply.
Wherein, described clock unit circuit is the PCF8563 chip, is in series with the two ends ceramic filter between OSC1 and the OSC0 pin in this PCF8563 chip.
Wherein, voltage conversion device can convert the alternating current of 220V to the low-voltage dc power supply of 12V, 1A.
The present invention adopts program control LED lamp, can realize the automatic adjusting of light quality, light intensity and light application time, satisfies fryer in different phase required light application time and intensity of illumination requirement; At fryer in the demand of different growth phases to different light medium, growth curve is set regulates parameter, parameter is stored in the internal storage of MCU, wherein the setting of intensity of illumination parameter be along with growth period of fryer from large to small, by the setting of pulse-width modulation (PWM), guaranteed the size of intensity of illumination.
Described LED lamp can adopt OLED lamp (Organic Light Emitting Diode) to replace, and the OLED lamp is different with the LED point-source of light, and it is very thin plane distribution formula light source, and can be extensive, large tracts of land, low-cost manufacturing.
The present invention has following beneficial effect: on the utilance and light quality and photoperiodic Modulatory character of energy-saving effect, luminous efficiency, light, the present invention has the more performance characteristics than traditional artificial light source; Improve the growth performance of chicken effectively, increase economic efficiency, realize the purpose that volume increase and source reduce discharging.
The invention will be further described below in conjunction with specification drawings and specific embodiments.
Description of drawings
Fig. 1 is a principle schematic of the present invention.
Fig. 2 is the principle schematic of microprocessor of the present invention.
Fig. 3 is the circuit theory diagrams of the total power supply of led light source controller control LED of the present invention.
Fig. 4 is the circuit theory diagrams of MCU main control chip of the present invention.
Fig. 5 is the circuit theory diagrams of serial communication interface of the present invention unit UART.
Fig. 6 is the circuit theory diagrams of clock unit RTC of the present invention.
Fig. 7 is the schematic flow sheet that software module is set of the present invention.
Fig. 8 is the schematic flow sheet of Control Software module of the present invention.
Embodiment
Adopt green LED lamp (green LED) illumination can satisfy the biology demand of chicken body ideally to chicks for meat among the present invention, can bring into play its growth performance to heavens.The chick of several leading age in days particularly, the hen house when just entering strong stress situation adopts the green light illumination, has tangible sedation, only will be steady through 3～6 hours chick, and actively search for food.Here chicks for meat is recommended to adopt 10～30lux.Bright lamplight can help chick to find drinking-water and food.But after 10～14 days, intensity of illumination will drop to the 5-20lux level gradually.This intensity of illumination level can make chick more quiet and reduce the activity of chick, thereby can obtain more weightening finish.
Among the present invention, the growth curve parameter of preferred fryer is as shown in table 1.
Intelligent fryer shown in Fig. 1-2 is cultured the led light source control system and is made up of led light source controller, the total power supply of LED and a plurality of LED fluorescent tube, the quantity of LED fluorescent tube is selected according to the size and the number of the groove of raising chickens, and layout requirement is that optical density is even as far as possible.Each LED fluorescent tube is made of a plurality of green LED lamp that are linear array, green LED lamp is located at the 100-120cm place of the groove top of raising chickens, interval between the adjacent LED lamp is arranged according to light intensity requirement, make the interval between the adjacent LED lamp have suitable optical density, satisfy among the present invention growth of meat chicken the demand of luminous intensity.
Clock unit (RTC) and serial communication interface unit (UART) that the led light source controller comprises microprocessor (MCU), is connected with microprocessor, wherein microprocessor is connected with computer by serial port connecting wire, the software module that is provided with of growth of meat chicken curve adjustment parameter is housed in the computer, and the LED fluorescent tube is connected by the drive circuit of power line with the led light source controller.Be provided with the internal storage E that is used to store growth of meat chicken curve adjustment parameter in the microprocessor
2PROM, microprocessor are embedded with the Control Software module.Microprocessor is used for the operation of Control Software module and the data communication of computer, just can realize the Based Intelligent Control to the LED lamp by microprocessor and Control Software module, can realize the light intensity and the photoperiod control of LED lamp.The total power supply of LED provides voltage, electric current for the LED lamp.1 led light source controller can be controlled 1-9 root green LED lamp.In the demand of different growth phases to different light intensity, computer is by being provided with the E that software module is provided with relevant parameters and parameter is stored into MCU inside according to fryer for the led light source controller
2Among the PROM, the Control Software module is according to E
2Parameter among the PROM is controlled the work of LED lamp.
Microprocessing unit (MCU) is that the MEGA8L by AVR series does master control chip (being single-chip microcomputer), by 18 road I/O mouth lines respectively the driven MOS pipe come the driving LED lamp, programme by MEGA8L chip, regulate duty ratio, realize the adjusting strong LED light by PWM output to MCU.In the adjustment process of light, at different growth phases the demand of different light medium is provided with parameter in clock signal and the main control chip according to fryer, in 0-2 days of brood time growth of meat chicken, it is the whole day illumination of 15-30lux that the adjusting of regulating duty ratio by pulse-width modulation (PWM) output keeps the green intensity of illumination of 24 hours every days, the internal storage E of MEGA8L main control chip
2Constant parameter is set among the PROM, continues constant output signal driven MOS pipe, by the clock setting driving time cycle be 48 hours and continuous clock pulse signal, guarantee driving time.In brood time, 3-14 days of growth of meat chicken, also regulate the adjusting maintenance green intensity 10-25lux of duty ratio in the time period of 0:00～21:59 by PWM output, dark-coloured in the time period of 22:00～23:59, the driving time that clock is set is at interval corresponding.In the finishing period, 15-42 days of growth of meat chicken, regulate the adjusting maintenance green intensity 10-20ux of duty ratio in the time period of 0:00～21:59 by PWM output, dark-coloured in the time period of 22:00～23:59, the driving time that clock is set is at interval corresponding.It is that those skilled in the art realize easily that wherein concrete PWM regulates.
As shown in Figure 3, this circuit mainly be civil power 220V convert DC to, the 12V constant voltage supply offers the LED fluorescent tube, mainly comprises MOSFET, diode etc.Realize the output required voltage by pulse width modulation (PWM) control, at first, after inserting the startup power supply, starting current is provided for switching tube Q1 by resistance R 4, make switch Q3 begin conducting, circuit is started working, back level output 12V alternating voltage again through Schottky diode SR560 with and connected electrochemical capacitor C1 carry out exporting direct current (DC) 12V constant voltage supply behind the rectifying and wave-filtering.When the I/O of microprocessing unit MCU control mouth control triode Q2 conducting, switching tube Q1 also conducting simultaneously, diode D4 ends, and defeated people's commutating voltage charges to C through Q1 and L, and this electric current increases the energy storage in the inductance L.When the I/O of a microprocessing unit MCU control mouthful control triode Q2 ends, switching tube Q1 also ends, inductance L induces the negative right positive voltage in a left side, discharges the energy of storing in the inductance L through load LED lamp plate and fly-wheel diode Q1, thereby it is constant to keep output direct current 12V LED lamp plate voltage.Led light source controller and compunication receive, and can realize being finished by computer the input of control signal.Can realize sending related data by led light source controller of the present invention, the work such as setting in time, cycle, the control of light under the growth curve of fryer in the realization table 1.
Fig. 4 is the circuit theory diagrams of the main control chip of microprocessing unit of the present invention.Safe operation for the circuit that guarantees The whole control system, wherein be connected with capacitor C 4 between the high potential pin 7 of the chip of microprocessing unit and the grounding pin, wherein pin 28 and pin 27 are connected the control line (SCL) and the Source Data Acquisition line (SDA) of clock chip respectively, be used for signal transmission with clock circuit, and pin 28 is connected with dropping resistor R1 and R2 respectively with pin 27 in being connected the VDD-2 power supply, and the resistance of resistance R 1 and R2 equates.
Fig. 5 is the circuit theory diagrams of serial communication interface unit (UART) among the present invention, the serial communication interface unit is intercomed with standard serial port interface and computer mutually by the MAX232 chip, TXD in the MAX232 chip links to each other with the RXD pin with the TXD of MEGA8L respectively with RXD, and the T1OUT in the MAX232 chip links to each other with 2 pin in the DB9 interface, R1IN links to each other the 5 pin ground connection of DB9 with 3 pin in the DB9 interface.
As shown in Figure 6, clock unit (RTC) is to be finished by RTC clock chip PCF8563 and related elements with photoperiodic setting, is in series with the two ends ceramic filter between OSC1 and the OSC0 pin in this PCF8563 chip.This circuit also is provided with the reserve DC power supply V1 of 3V, can guarantee the outage in the time can not lose problem by time of origin.Clock chip PCF8563 connects power vd D-2 by diode D1, connects reserve DC power supply V1 by diode D2, and diode D1, D2 form unidirectional supply current, have prevented the interference between power vd D-2 and the reserve DC power supply V1 power supply.Clock circuit of the present invention can be set clock signal easily, provides clock signal to the led light source controller.
Of the present invention to be used for the led light source control system that intelligent fryer cultures simple in structure, practical, satisfied the demand of growth of meat chicken, reduced the fryer aquaculture cost.Those skilled in the art can transform its control according to the growth demand of fryer, and that needn't pay that performing creative labour can realize all should be within protection scope of the present invention.
Claims (6)
1. one kind is used for the led light source control system that intelligent fryer is cultured, and it is characterized in that it comprises led light source controller, the total power supply of LED and a plurality of LED fluorescent tube, and described LED fluorescent tube is connected by the drive circuit of power line with the led light source controller; To the LED lamp tube power supply, the total power supply of LED comprises mains power socket and civil power is converted to galvanic voltage conversion device the total power supply of described LED by the led light source controller; Each LED fluorescent tube is made of a plurality of LED lamps that are linear array, and described LED lamp is the green LED lamp that satisfies the growth of meat chicken demand;
Described led light source controller comprises microprocessor, the clock unit that is connected with this microprocessor and serial communication interface unit; Be provided with the internal storage E of storage growth of meat chicken curve adjustment parameter in this microprocessor
2PROM; This serial communication interface unit also carries out Data Receiving, transmission with a computer, and the software module that is provided with of a growth of meat chicken curve adjustment parameter is housed in the computer, and the embedded Control Software module of described microprocessor realizes the adjusting strong to LED light; Described clock unit is used for the light application time of LED lamp and the setting of periodicity of illumination;
In the adjustment process of light, at different growth phases the demand of different light medium is provided with parameter in clock signal and the microprocessor main control chip according to fryer: in preceding 2 days at the brood time growth of meat chicken, regulate duty ratio by PWM output, the green intensity of illumination that keeps 24 hours every days is the whole day illumination of 15-30lux, at internal storage E
2Constant parameter is set among the PROM, continues constant output signal driven MOS pipe, by the clock setting driving time cycle be 48 hours and continuous clock pulse signal, guarantee driving time; At 3-14 days of the brood time growth of meat chicken, maintenance green intensity 10-25lux was dark-coloured in the time period of 22:00～23:59 in the time period of 0:00～21:59, and the driving time that clock is set is at interval corresponding; 15-42 days of finishing period growth of meat chicken keep green intensity 5-20lux in the time period of 0:00～21:59, dark-coloured in the time period of 22:00～23:59, and the driving time that clock is set is at interval corresponding.
2. the led light source control system that is used for intelligent fryer breed according to claim 1, it is characterized in that described microprocessor adopts the MEGA8L of AVR series as main control chip, come the driving LED lamp by I/O mouth line driven MOS pipe, regulate duty ratio by PWM output, realize the adjusting strong LED light.
3. according to claim 1 and 2ly be used for the led light source control system that intelligent fryer is cultured, it is characterized in that being connected with electric capacity of voltage regulation between the high potential pin of described main control chip and the grounding pin.
4. the led light source control system that is used for intelligent fryer breed according to claim 1 and 2 is characterized in that described clock unit is connected with the reserve DC power supply.
5. the led light source control system that is used for intelligent fryer breed according to claim 1 and 2 is characterized in that the circuit of clock unit comprises the PCF8563 chip, is in series with the two ends ceramic filter between OSC1 and the OSC0 pin in this PCF8563 chip.
6. the led light source control system that is used for intelligent breeding layer chicken according to claim 1 and 2 is characterized in that described LED lamp adopts the OLED lamp to replace.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102841713A CN101977462B (en) | 2010-09-16 | 2010-09-16 | LED light source control system for intelligent broiler breeding |
| PCT/CN2010/080621 WO2012034340A1 (en) | 2010-09-16 | 2010-12-31 | Light emitting diode (led) light source control system for intelligentized broiler chicken breeding |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102841713A CN101977462B (en) | 2010-09-16 | 2010-09-16 | LED light source control system for intelligent broiler breeding |
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| CN101977462A true CN101977462A (en) | 2011-02-16 |
| CN101977462B CN101977462B (en) | 2013-05-01 |
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| WO (1) | WO2012034340A1 (en) |
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| CN102355779A (en) * | 2011-09-02 | 2012-02-15 | 南宁市立节节能电器有限公司 | LED plant growth lamp simulation daylight control system |
| CN102427634A (en) * | 2011-09-02 | 2012-04-25 | 南宁市立节节能电器有限公司 | System for controlling simulation of aquarium to sunlight brightness and illumination time |
| CN102754606A (en) * | 2011-04-28 | 2012-10-31 | 杭州汉徽光电科技有限公司 | Remote control system used in chicken farm |
| CN102843832A (en) * | 2012-08-23 | 2012-12-26 | 杭州朗拓生物科技有限公司 | Intelligent illumination system for broiler culturing and illumination control method |
| CN103016994A (en) * | 2012-12-20 | 2013-04-03 | 浙江农林大学 | Green-blue-ultraviolet three-color LED (Light-Emitting Diode) combined lamp for breeding laying hens |
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| CN111657230A (en) * | 2020-06-23 | 2020-09-15 | 北京市华都峪口禽业有限责任公司 | Broiler breeding illumination control method |
| CN111710773A (en) * | 2020-06-08 | 2020-09-25 | 杭州汉徽光电科技有限公司 | Light emitting device and illumination device for breeding meat poultry |
| CN111739994A (en) * | 2020-06-08 | 2020-10-02 | 杭州汉徽光电科技有限公司 | Light emitting device and illumination device for breeding laying poultry and breeding poultry |
| CN111755585A (en) * | 2020-06-08 | 2020-10-09 | 杭州汉徽光电科技有限公司 | Light emitting device and illumination device for livestock breeding |
| CN111816749A (en) * | 2020-06-08 | 2020-10-23 | 杭州汉徽光电科技有限公司 | Light-emitting device and illumination device for poultry egg hatching |
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