CN111816749A - Light-emitting device and illumination device for poultry egg hatching - Google Patents
Light-emitting device and illumination device for poultry egg hatching Download PDFInfo
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- CN111816749A CN111816749A CN202010511385.3A CN202010511385A CN111816749A CN 111816749 A CN111816749 A CN 111816749A CN 202010511385 A CN202010511385 A CN 202010511385A CN 111816749 A CN111816749 A CN 111816749A
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/50—Wavelength conversion elements
- H01L33/501—Wavelength conversion elements characterised by the materials, e.g. binder
- H01L33/502—Wavelength conversion materials
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K41/00—Incubators for poultry
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/20—Light sources comprising attachment means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
- F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
- F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
- F21K9/64—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof
- H01L25/03—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00
- H01L25/0753—Assemblies consisting of a plurality of individual semiconductor or other solid state devices ; Multistep manufacturing processes thereof all the devices being of a type provided for in the same subgroup of groups H01L27/00 - H01L33/00, or in a single subclass of H10K, H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H01L33/00 the devices being arranged next to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2113/00—Combination of light sources
- F21Y2113/10—Combination of light sources of different colours
- F21Y2113/13—Combination of light sources of different colours comprising an assembly of point-like light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
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- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
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- Computer Hardware Design (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Biodiversity & Conservation Biology (AREA)
- Animal Husbandry (AREA)
- Manufacturing & Machinery (AREA)
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- Led Device Packages (AREA)
Abstract
The invention discloses a light-emitting device and an illumination device for egg hatching, which comprise a first light-emitting source and a wavelength conversion medium layer coated on the first light-emitting source; the first light-emitting source adopts a blue light semiconductor chip; the wavelength conversion medium layer is a green phosphor, and an integrated value in a wavelength range of 500nm to 570nm is 1 time or more and 30 times or less an integrated value in a wavelength range of 410nm to 490nm in a spectral distribution of the light-emitting device. The light-emitting device for poultry egg hatching takes the LED semiconductor light-emitting device as a light source, so that the radiated heat is small, and the problem that an incandescent lamp generates too much heat is solved; the light source is realized by adopting a unit color light source, namely a blue light semiconductor chip, so that the uniformity and consistency of light are good; in addition, in the aspect of driving, the driver and the driving circuit are simplified in structure, fewer components are needed, the cost is low, and the method is suitable for large-scale popularization.
Description
Technical Field
The invention relates to a poultry breeding illumination system, in particular to a light-emitting device and an illumination device for poultry egg hatching.
Background
Researchers have found that during the incubation of poultry eggs, photostimulation is very important to the normal development of poultry, and in particular, the specialization of the cerebral hemisphere (brain asymmetry) of poultry depends on the photostimulation of the embryo at the time of hatching. Moreover, the effect of illumination on brain asymmetry in the last few days prior to hatching was correlated with the position of the embryo in the egg. The light hatching can promote the protein synthesis in the eggs, stimulate the growth and development of the chicken embryos and accelerate the metabolism of the chicken embryos on the premise of no side effect, thereby improving the hatching rate of the eggs and the birth weight of the chicks.
The behavioral research shows that the retinal ganglion cell layer begins to develop when the chick embryos are incubated for the eighth embryo age, can sense the change of environmental illumination, and transmits optical information to a visual center through a visual transmission path to influence the change of the hormone level in the body, thereby regulating the growth of skeletal muscles. The chicken embryo hatching period is the generation and formation period of skeletal muscle satellite cells, which can affect the growth and development of skeletal muscle, and the muscle fiber quantity is basically constant when the chicken embryo is out of shell, so that the environment illumination control is adopted in the chicken embryo hatching period to improve the proliferation activity of the skeletal muscle satellite cells so as to achieve the maximization of production performance.
The light-emitting device for poultry egg hatching in the prior art is generally realized by adopting an incandescent lamp, so that the growth of the embryo is remarkably accelerated compared with that of dark hatching, the weight of the embryo and the weight of a chick are increased, and the hatching time is shortened. However, white light stimulation has negative effects, such as increased mortality, abnormal development phenomena such as liver hypertrophy, ear dilation and the like, increased leg and eye deformity rate and the like. The reason for the above phenomena is mainly that the incandescent lamp generates more heat, which causes the local environment temperature to rise, so that the embryo development is accelerated, the hatching is advanced, but the probability of abnormal development is also improved.
Researchers also adopt the combination of the blue LED and the green LED to manufacture the lamp for hatching eggs, and as the working voltages of the blue LED and the green LED are different, the required driving and control circuit is complex and the cost is high. In addition, the illumination uniformity of an illumination device formed by combining the blue LEDs and the green LEDs is not enough, so that light spots are easily formed, and the egg hatching effect is influenced.
Therefore, it is desirable to provide a light emitting device and an illumination device for egg hatching based on an LED light source, and the light requirements for egg hatching are met by matching different colors of light.
Disclosure of Invention
The present invention aims to provide a light emitting device and an illumination apparatus for egg hatching, which at least solves at least one of the above technical problems.
The technical scheme adopted by the invention for solving the technical problems is as follows: a light-emitting device for poultry egg hatching comprises a first light-emitting source and a wavelength conversion medium layer coated on the first light-emitting source;
the first light-emitting source adopts a blue light semiconductor chip, the blue light semiconductor chip emits light with the wavelength range of 410-490 nm, and the half-peak width of the blue light semiconductor chip is +/-20 nm; the wavelength conversion medium layer is a green phosphor, and the green phosphor emits green light with the wavelength range of 500-570nm under the excitation of the light emitted by the first light emitting source;
in the spectral distribution of the light-emitting device, an integral value in a wavelength range of 500nm to 570nm is 1 time or more and 30 times or less an integral value in a wavelength range of 410nm to 490 nm.
Optionally, the green phosphor is 3 valentCerium-activated silicate phosphor, cerium-activated nitride phosphor having valence 3, garnet-type cerium-activated oxide phosphor having valence 3, europium-activated oxonitride phosphor having valence 2 of β -type SiAlON, europium-activated silicate phosphor having valence 2, europium-activated alkaline earth silicate phosphor having valence 2, Mn-activated γ -AlON or KAlSi2O6One or more of phosphors.
Optionally, the central wavelength of the excitation light of the light emitting device is adjusted between 515 nm and 560nm along with the colors of different kinds of poultry eggs and eggshells thereof.
Optionally, the green phosphor is a quantum dot phosphor, and includes a compound semiconductor group containing any one selected from the group consisting of In, Zn, S, Cd, Se, and Pb, or a combination thereof.
Optionally, when the embryo needs to be promoted to be female, the first light-emitting source adopts a light-emitting chip which generates light with the wavelength of 410-450 nm; when the embryo is required to be male, the first light-emitting source adopts a light-emitting chip which can generate light with the wavelength of 450-490 nm.
The invention also adopts the following technical scheme for solving the technical problems: an illumination device for egg hatching, comprising the above-mentioned light-emitting device for egg hatching, and further comprising:
a control operation circuit including a flicker eliminating unit,
the control device is electrically coupled with the light-emitting device through a control working circuit so as to operate the light-emitting characteristic of the light-emitting device for poultry egg hatching.
Optionally, the illumination device for hatching the poultry eggs further comprises a second light source connected in series and/or in parallel with the first light source, and the second light source is a blue-violet semiconductor light source emitting blue-violet light of 330-410 nm.
Optionally, the illumination intensity of the light emitted by the illumination device on the surface of the poultry egg is between 10 and 100 lux; and the illumination device increases the illumination intensity along with the deepening of the color of the eggshell of the poultry egg.
Optionally, the illumination device for egg hatching further comprises a storage device, an egg hatching adjustment parameter table is prestored in the storage device, and the control device adjusts the first light-emitting source and/or the second light-emitting source in a Pulse Width Modulation (PWM) manner according to the egg hatching adjustment parameter table, and keeps the illumination time not less than 12 hours per day.
Optionally, the control device controls the second light source to be turned on or off according to the need of disinfection.
The invention also adopts the following technical scheme for solving the technical problems: an egg hatching device or an egg hatching house comprises the light emitting device or the illumination device.
The invention has the following beneficial effects: the light-emitting device for poultry egg hatching takes the LED semiconductor light-emitting device as a light source, so that the radiated heat is small, and the problem that an incandescent lamp generates too much heat is solved; the light source is realized by adopting a unit color light source, namely a blue light semiconductor chip, so that the uniformity and consistency of light are good; in addition, in the aspect of driving, the driver and the driving circuit are simplified in structure, fewer components are needed, the cost is low, and the method is suitable for large-scale popularization.
Drawings
Fig. 1 is a schematic structural view of an illumination device for egg hatching according to the present invention;
the notation in the figures means: 1-a first light emitting source; 2-a second light emitting source; a 3-wavelength converting dielectric layer.
Detailed Description
The technical solution of the present invention is further described below with reference to the following embodiments and the accompanying drawings.
Example 1
The embodiment provides a light-emitting device for egg hatching, which comprises a first light-emitting source and a wavelength conversion medium layer coated on the first light-emitting source.
In this embodiment, the first light emitting source may be any type of semiconductor-based light source, such as a Light Emitting Diode (LED), a high power LED, an organic LED (oled), an inorganic EL, and a laser diode LED; preferably, the LED may be any type of LED, such as a flip semiconductor chip type (thin film flip semiconductor chip), a patterned sapphire substrate, or the like.
The first light-emitting source is a blue semiconductor chip, and the blue semiconductor chip may be a semiconductor light-emitting element such as a semiconductor laser or a solid light-emitting element such as an EL element of organic EL (Electro Luminescence). An LED may refer to a packaged LED, an unpackaged LED, a surface mount LED, a semiconductor chip on board LED, a T-package mounted LED, a radial package LED, a power package LED, an LED that includes some type of package and/or optical element (e.g., a diffusing lens), and so forth.
The blue light semiconductor chip emits light with the wavelength range of 410-490 nm, and the half-peak width of the blue light semiconductor chip is +/-20 nm; at this time, the wavelength conversion medium layer coated on the blue light semiconductor chip comprises a green phosphor, and when the blue light semiconductor chip excites the green phosphor, the green light with the wavelength of 500-570nm can be emitted.
When the embryo needs to be promoted to be female, the first light-emitting source adopts a light-emitting chip which generates light with the wavelength of 410-450 nm; when the embryo is required to be male, the first light-emitting source adopts a light-emitting chip which can generate light with the wavelength of 450-490 nm.
In the spectral distribution of the light-emitting device, the integral value in the wavelength range of 500nm to 570nm is 1 time or more and 30 times or less the integral value in the wavelength range of 410nm to 490 nm.
That is, in the light emitting device, the ratio of the luminous flux of green light emitted within the at least one first wavelength to the luminous flux of blue light emitted by the at least one second wavelength is made to be in the range from 30:1 to 1: 1.
The green phosphor emits green light with the wavelength range of 500-570nm under the excitation of the light emitted by the first light emitting source; the green phosphor is a 3-valent cerium-activated silicate phosphor, a 3-valent cerium-activated nitride phosphor, a garnet-type 3-valent cerium-activated oxide phosphor, a beta-type SiAlON 2-valent europium-activated oxonitride phosphor, a 2-valent europium-activated silicate phosphor, a 2-valent europium-activated alkaline earth silicate fluorescent substanceLuminophores, 2-valent Mn activated gamma-AlON or KAlSi2O6One or more of the phosphors
The green phosphor, such as: a compound represented by the general formula (A): (M1)3-xCex(M2)5O12(in the general formula (A), (M1) represents at least one of Y, Lu, Gd, and La, (M2) represents at least one of Al and Ga, and x representing the composition ratio (concentration) of Ce satisfies 0.005. ltoreq. x.ltoreq.0.20), and Ca3(Sc，Mg)2Si3O12: a Ce-based phosphor; by the general formula EuaSibAlcOdNe(a satisfies 0.005. ltoreq. a.ltoreq.0.4, b and c satisfy b + c 12, d and e satisfy d + e 16), a 2-valent europium-activated oxynitride phosphor of beta-type SiAlON, and a phosphor of La, or the like3xCexSi6N11(x satisfies 0.01 < x.ltoreq.0.2) and (Ca, Sr, Ba) SiAl2O3N2: a Ce-based phosphor; by the general formula (B): (M3)2-xEuxSiO4(in the general formula, (M3) represents at least one of Mg, Ca, Sr and Ba, and x representing the composition ratio (concentration) of Eu satisfies 0.03. ltoreq. x.ltoreq.0.10), and Ba3Si6O12N2: eu-based phosphor or (Sr, Ba)2SiO4: eu-based phosphor, etc.; mn2+Activation of gamma-AlON is composed of the formula MaAbAlcOdNe(M is at least one metal element containing at least Mn among Mn, Ce, Pr, Nd, Sm, Eu, GD, Tb, Dy, Tm, and Yb, A is at least one metal element other than M, Al, and a + b + c + d + e is 1). As the green phosphor, 1 of these may be used alone, or 2 or more of these may be used in combination.
As the green phosphor, (Y, Lu)3(Al，Ga)5O12:Ce、CaSc2O4:Ce、Ca3(Sc，Mg)2Si3O12:Ce、(Sr，Ba)2SiO4:Eu(BSS)、(Si，Al)6(O，N)8Eu (beta-sialon), (Ba, Sr)3Si6O12N2:Eu(BSON)、SrGa2S4:Eu、BaMgAl10O17:Eu，Mn、(Ba，Sr，Ca，Mg)Si2O2N2Eu. Among them, BSS, β -sialon, BSON and SrGa are more preferably used2S4:Eu、BaMgAl10O17Eu, Mn, further preferably BSS, β -sialon, BSON, particularly preferably β -sialon, BSON, most preferably β -sialon. In the examples, β -sialon was used as the green phosphor.
The emission peak wavelength of the phosphor layer is 510nm to 590nm, preferably 530nm, more preferably 550nm, and preferably 580 nm. Such as: yttrium aluminum garnet phosphor (YAG phosphor), lutetium aluminum garnet phosphor, terbium aluminum garnet phosphor, oxide phosphor such as garnet phosphor obtained by substituting a part of the above components, and Ca8MgSi4O16Cl2: silicate oxide phosphor such as chlorosilicate phosphor Eu, (Si, Al)6(O、N)8: an oxynitride phosphor such as Eu.
In this embodiment, preferably, the ratio of the ratio based on β -SiAlON: eu (Eu)2+The green phosphor of (a) may have a formula of: eu (Eu)x(A1)6-z(A2)zOyN8-z(A3)2(x+z-y)Wherein z is more than 0 and less than or equal to 4.2; y is more than or equal to 0 and less than or equal to z; x is more than 0 and less than or equal to 0.1; a1 is Si, C, Ge and/or Sn; a2 includes one or more of Al, B, Ga, and In; a3 includes one or more of F, Cl, Br, and I.
Of course, the green phosphor may be selected from green quantum dots that convert a part of the light emitted from the first light emitting source into green light having a peak wavelength in the range of 510nm to 550nm and a full width at half maximum of 45nm or less, wherein the green quantum dots include quantum dots including a core formed of a group iii-V compound and a shell formed of a group ii-VI compound, including at least one quantum dot selected from CdSe/CdS, CdSe/ZnS, PbS/ZnS, and InP/GaP/ZnS.
According to the light-emitting device for poultry egg hatching, the LED semiconductor light-emitting device is used as a light source, the heat radiated by the light-emitting device is small, and the problems of dead eggs and poor quality of hatched chickens caused by uneven light color distribution due to the fact that a hatching illumination device formed by combining the blue LEDs and the green LEDs is large are solved; the light source is realized by adopting a unit color light source, namely a blue light semiconductor chip, so that the uniformity and consistency of light are good; in addition, in the aspect of driving, the driver and the driving circuit are simplified in structure, fewer components are needed, the cost is low, and the method is suitable for large-scale popularization.
Example 3
The present embodiment provides an illumination apparatus for egg hatching, which comprises the light emitting device for egg hatching described in embodiment 1, and further comprises a control working circuit and a control device, wherein the control device is electrically coupled with the light emitting device through the control working circuit to operate the light emitting characteristics of the light emitting device for egg hatching, and the control working circuit comprises a flicker eliminating unit.
In particular, the control device controls the current of the first luminescent light source to adjust the emitted spectral radiant flux of the first luminescent light source; preferably, the control device may be a remote control device; the illumination intensity of the light emitted by the illumination device on the surface of the poultry egg is 10-100 lux; and the illumination device increases the illumination intensity along with the deepening of the color of the eggshell of the poultry egg, wherein the illumination mode of the illumination device can be top illumination or side illumination.
The illumination device for hatching the poultry eggs further comprises a second light-emitting source which is connected with the first light-emitting source in series and/or in parallel, the second light-emitting source adopts a blue-violet light semiconductor light source which emits 330-410 nm blue-violet light, at the moment, the wavelength conversion medium layer further comprises a blue phosphor which converts part of the blue-violet light into blue light, so that microorganisms on the surfaces of the poultry eggs are inactivated through the blue-violet light emitted by the blue-violet light semiconductor chip, and the control device controls the second light-emitting source to be turned on or turned off according to the requirement of disinfection.
At the moment, in the light emitted by the illumination device for hatching the poultry eggs, green light accounts for 60-80% of the total illumination intensity, blue light accounts for less than 30% of the total illumination intensity, and blue-violet light accounts for less than 10% of the total illumination intensity; and the illumination intensity is controlled between 15-300 lux.
Preferably, the illumination device for egg hatching further comprises a storage device, wherein an egg hatching regulation parameter table is prestored in the storage device, and the control device regulates the first light-emitting source and/or the second light-emitting source in a Pulse Width Modulation (PWM) mode according to the egg hatching regulation parameter table and keeps the illumination time not less than 12 hours every day. Specifically, the control device can adopt a single chip microcomputer, the MOS tubes are respectively driven through a plurality of paths of I/O port lines to drive the LED lamp tubes, and the light intensity of the lamp tubes is adjusted by programming a chip of the single chip microcomputer and outputting and adjusting duty ratio through PWM.
When the embryo needs to be promoted to be female, the first light-emitting source adopts a light-emitting chip which generates light with the wavelength of 410-450 nm; when the embryo is required to be male, the first light-emitting source adopts a light-emitting chip which can generate light with the wavelength of 450-490 nm.
The sequence of the above embodiments is only for convenience of description and does not represent the advantages and disadvantages of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A light-emitting device for poultry egg hatching is characterized by comprising a first light-emitting source and a wavelength conversion medium layer coated on the first light-emitting source;
the first light-emitting source adopts a blue light semiconductor chip, the blue light semiconductor chip emits light with the wavelength range of 410-490 nm, and the half-peak width of the blue light semiconductor chip is +/-20 nm; the wavelength conversion medium layer is a green phosphor, and the green phosphor emits green light with the wavelength range of 500-570nm under the excitation of the light emitted by the first light emitting source;
in the spectral distribution of the light-emitting device, an integral value in a wavelength range of 500nm to 570nm is 1 time or more and 30 times or less an integral value in a wavelength range of 410nm to 490 nm.
2. A light emitting device for egg hatching as recited in claim 1, wherein said green phosphor is a 3-valent cerium-activated silicate phosphor, a 3-valent cerium-activated nitride phosphor, a garnet-type 3-valent cerium-activated oxide phosphor, a β -type SiAlON 2-valent europium-activated oxonitride phosphor, a 2-valent europium-activated silicate phosphor, a 2-valent europium-activated alkaline earth silicate-based phosphor, a 2-valent Mn-activated γ -AlON or KAlSi2O6One or more of phosphors.
3. A light-emitting device for hatching of eggs according to claim 1 or 2, wherein the central wavelength of the excitation light of the light-emitting device is adjusted between 515 nm and 560nm along with the color of different kinds of eggs and their eggshells.
4. A light emitting device for egg hatching as recited In claim 1 or 2, wherein the green phosphor is a quantum dot phosphor and comprises a compound semiconductor group containing any one selected from the group consisting of In, Zn, S, Cd, Se, and Pb, or a combination thereof.
5. A light-emitting device for hatching eggs according to claim 1, wherein when an embryo is required to be promoted to be female, the first light-emitting source adopts a light-emitting chip which generates light with a wavelength of 410-450 nm; when the embryo is required to be male, the first light-emitting source adopts a light-emitting chip which can generate light with the wavelength of 450-490 nm.
6. An illumination device for egg hatching, comprising a light emitting device for egg hatching according to any one of claims 1 to 5, and further comprising:
a control operation circuit including a flicker eliminating unit,
the control device is electrically coupled with the light-emitting device through a control working circuit so as to operate the light-emitting characteristic of the light-emitting device for poultry egg hatching.
7. An illumination device for egg hatching according to claim 6, further comprising a second light source connected in series and/or parallel with the first light source, wherein the second light source is a blue-violet semiconductor light source emitting blue-violet light of 330-410 nm.
8. An illumination device for egg hatching according to claim 7, wherein said illumination device emits light onto the egg surface at an illumination intensity of between 10-100 lux; and the illumination device increases the illumination intensity along with the deepening of the color of the eggshell of the poultry egg.
9. An illumination device for egg hatching according to claim 7, further comprising a storage device, wherein an egg hatching adjustment parameter table is prestored in the storage device, and the control device adjusts the first light-emitting source and/or the second light-emitting source in a Pulse Width Modulation (PWM) manner according to the egg hatching adjustment parameter table and keeps the illumination time not less than 12 hours per day.
10. An illumination device for egg hatching as claimed in claim 9, wherein said control means controls the second light emitting source to be turned on or off as required for sterilization.
11. An egg hatching apparatus or an egg hatching house comprising a light emitting device according to claims 1 to 5 or an illumination device according to claims 6 to 10.
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