CN219453712U - Eye-protection down lamp - Google Patents
Eye-protection down lamp Download PDFInfo
- Publication number
- CN219453712U CN219453712U CN202223127565.5U CN202223127565U CN219453712U CN 219453712 U CN219453712 U CN 219453712U CN 202223127565 U CN202223127565 U CN 202223127565U CN 219453712 U CN219453712 U CN 219453712U
- Authority
- CN
- China
- Prior art keywords
- light source
- color temperature
- color
- eye
- beads
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides an eye-protecting down lamp, which comprises a shell, an LED light source plate and a glare filter sheet, wherein the shell is provided with a light source plate; the shell is a cylindrical member; the LED light source plate comprises a plurality of lamp beads, and the lamp beads are full-color bionic light sources; the LED light source plate and the glare filter sheet are sequentially connected in the shell from inside to outside. The outer layer of the eye-protection down lamp is provided with the dazzling filter disc, so that the dazzling of the lamp can be filtered, the illumination is more uniform and soft, and the eye-protection effect is achieved. Meanwhile, the spectrum of the illumination light source forms a high-saturation red light and high-saturation green light existence mode, and according to the imaging principle of the color on retina, the full-color bionic light source is helpful for adjusting the focal length and the eye axis of vision during vision imaging when in illumination, so that the vision imaging of object reduction color is realized, the high adaptability and the comfort of vision are ensured, and the eyestrain under illumination is effectively relieved; the down lamp is simple in structure, strong in eye protection function and convenient to popularize and use.
Description
Technical Field
The utility model relates to the field of down lamp structures, in particular to an eye-protection down lamp.
Background
Down lamps are a light downlight type lighting tool embedded in ceilings and have been widely used in daily and work lighting.
With the increasing standard of living, people have more demands for eye-protection illumination. The human eyes are formed and evolved in natural illumination environment, and the adaptability of vision to natural light is irreplaceable. The eyes look pure Lan Guangshi, and the eyes can open the eyes to look at the eyes at large points unnaturally, so that blue light imaging falls on the retina; when the eyes look at pure red light, the eyes can look short and short, so that the imaging of the red light falls on the retina. The common artificial lighting spectrum has the problems of lack of red light spectrum and overhigh blue light spectrum, and after long-time eye use, the yellow spot area of the retina can be injured, and eye fatigue can be easily caused to form myopia. The red light spectrum in the enhanced illumination spectrum and the weakening of the blue light spectrum have very important significance for reducing eye fatigue and preventing myopia.
Therefore, the eye-protecting tube lamp capable of relieving eye fatigue is developed to have very important significance.
Disclosure of Invention
The utility model aims at: aiming at the problem of poor eye protection function of the prior art down lamp, the down lamp with the eye protection function is simple in structure, strong in eye protection function and convenient to popularize and use.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an eye-protecting down lamp comprises a shell, an LED light source plate and a glare filter sheet;
the shell is a cylindrical member;
the LED light source plate comprises a plurality of lamp beads, and the lamp beads are full-color bionic light sources;
the LED light source plate and the glare filter sheet are sequentially connected in the shell from inside to outside.
The utility model provides an eye-protecting down lamp which mainly comprises a shell, an LED light source plate and a glare filter sheet, wherein the shell is provided with a light source plate and a glare filter sheet; the shell is a cylindrical member; the LED light source plate comprises a plurality of lamp beads, and the lamp beads are full-color bionic light sources; the LED light source plate and the glare filter sheet are sequentially connected in the shell from inside to outside. On the one hand, the outer layer of the eye-protection down lamp is provided with the dazzling filter disc, so that the dazzling of the lamp can be filtered, the illumination is more uniform and soft, and the eye-protection effect is achieved. On the other hand, the eye-protection down lamp bead adopts a full-color bionic light source, a high-saturation red light and a high-saturation green light exist mode is formed in the spectrum of an illumination light source, and according to the imaging principle of colors on retina, the full-color bionic light source is helpful for adjusting the focal length and the eye axis of vision during vision imaging when in illumination, so that the vision imaging of object reduction colors is realized, the high adaptability and the comfort of vision are ensured, and the eye fatigue under illumination is effectively relieved; the down lamp is simple in structure, strong in eye protection function and convenient to popularize and use.
As a preferred scheme of the utility model, in the spectrum of the full-color bionic light source, the approximation degree of the light source radiation power distribution curve and the natural light with the same color temperature reaches 95% +/-5%, which means that the spectrum of the full-color bionic light source and the natural light spectrum with the same color temperature have the ratio of smaller absolute light power to larger absolute light power of 95% +/-5% on any same wave band.
Preferably, in the spectrum of the full-color bionic light source, the approximation degree of the radiation power distribution curve of the light source and the natural light with the same color temperature is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic light source at the time of in, bi refers to the radiation quantity of the natural light spectrum with the same color temperature at the time of in; ai/Bi=90% -100%, where 380nm is equal to or less than i is equal to or less than 700nm. More preferably, when 380nm is less than or equal to i is less than or equal to 480nm, ai/Bi is 90% -95%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 95% -100%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 90-100 percent.
Preferably, when the color temperature of the full-color bionic light source is 2700K-3000K, the absolute light power value of 380-435 nm purple light in the spectrum of the full-color bionic light source is smaller than 0.35; the absolute optical power value of 435-475 nm blue light is more than 0.40; the absolute light power value of 475-492 nm cyan light is more than 0.45; the absolute light power value of 492-577 nm green light is greater than 0.50; the absolute optical power value of 577-597 nm yellow light is more than 0.75; the absolute light power value of the orange light with the wavelength of 597-622 nm is more than 0.80; the absolute optical power value of 622-700 nm red light is larger than 0.80.
Preferably, when the color temperature of the full-color bionic light source is 4000K-4200K, the absolute light power value of 380-435 nm purple light in the spectrum of the full-color bionic light source is less than 0.40; the absolute optical power value of 435-475 nm blue light is less than 0.65; the absolute light power value of 475-492 nm cyan light is larger than 0.60; the absolute light power value of 492-577 nm green light is greater than 0.65; the absolute optical power value of 577-597 nm yellow light is more than 0.80; the absolute light power value of the orange light with the wavelength of 597-622 nm is more than 0.8; the absolute optical power value of 622-700 nm red light is larger than 0.80.
Preferably, when the color temperature of the full-color bionic light source is 5500K-6000K, the absolute light power value of the 380-435 nm ultraviolet light in the spectrum of the full-color bionic light source is smaller than 0.45; the absolute optical power value of 435-475 nm blue light is less than 0.80; the absolute light power value of 475-492 nm cyan light is more than 0.70; the absolute light power value of 492-577 nm green light is greater than 0.80; the absolute optical power value of 577-597 nm yellow light is more than 0.80; the absolute light power value of the orange light with the wavelength of 597-622 nm is more than 0.80; the absolute optical power value of 622-700 nm red light is larger than 0.70.
Wherein, spectral power: the spectrum emitted by a light source often is not a single wavelength, but rather consists of a mixture of radiation of many different wavelengths. The spectral radiation of a light source and the intensity distribution of the individual wavelengths in wavelength order is referred to as the spectral power distribution of the light source. Parameters for characterizing the magnitude of the spectral power are divided into absolute spectral power and relative spectral power, and then absolute spectral power distribution curves: curves are made in absolute values of the energy of light at various wavelengths of spectral radiation. Relative spectral power distribution curve: the energy of various wavelengths of the light source radiation spectrum is compared with each other, and the radiation power is changed only within a prescribed range after normalization processing. The maximum relative spectral power of the radiation power is 1, and the relative spectral power of other wavelengths is less than 1.
As a preferable scheme of the utility model, one surface of the LED light source plate is provided with a plurality of lamp beads, the other surface of the LED light source plate is coated with a graphene heat dissipation layer, and meanwhile, the LED light source plate is provided with a plurality of ventilation holes at intervals. When the temperature of the light source plate is too high, heat is radiated through the graphene radiating layer and is diffused out through the air holes. The LED lamp has the advantages of being convenient and fast to install, high in efficiency, high in heat dissipation performance of the light source plate and fast in speed, greatly prolonging service life of the lamp beads, reducing light attenuation and meeting long-term illumination requirements of customers.
As a preferable scheme of the utility model, the LED backlight module further comprises a frosted diffuse reflection PC sheet, wherein the frosted diffuse reflection PC sheet is arranged between the LED light source plate and the glare filter sheet. The frosted Ling Jing PC sheet is subjected to optical surface treatment, so that light irradiates on the frosted Ling Jing PC sheet to generate certain diffuse reflection, and the irritation to eyes is reduced.
The LED light source panel comprises a light source panel, a light source module and a display module, wherein the light source module is used for displaying the color temperature of the light source module; the LED driving device can respectively drive the low-color-temperature light source group and the high-color-temperature light source group, and adjust the current I1 of the low-color-temperature light source group and the current I2 of the high-color-temperature light source group so as to realize the adjustment of the change of illumination brightness; and adjusting the current proportion of the low-color-temperature light source group and the high-color-temperature light source group to realize the adjustment of the change of the illumination color temperature value.
The change of the illumination color temperature value can be regulated by regulating the current proportion of the low-color temperature light source group and the high-color temperature light source group; the change of illumination brightness can be regulated by simultaneously regulating the magnitude of the low-color temperature light source group current I1 and the magnitude of the high-color temperature light source group current I2; by adjusting the matching of the change of the color temperature value and the change of the brightness of illumination, the human eyes can not blink automatically and passively, the eyeballs can focus and reset automatically, so that the purpose of actively adjusting the eye axis is achieved, and the eye axis is prevented from becoming long.
As the preferable scheme of the utility model, the high color temperature light source group comprises a plurality of high color temperature lamp beads which are connected in series, in parallel or in series-parallel; the low color temperature light source group comprises a plurality of low color temperature lamp beads which are connected in series, in parallel or in series-parallel.
As a preferable scheme of the utility model, all the high-color-temperature beads and all the low-color-temperature beads are arranged at intervals, the beads adjacent to the high-color-temperature beads are the low-color-temperature beads, and the beads adjacent to the low-color-temperature beads are the high-color-temperature beads. The arrangement mode of the lamp beads has important effect on preventing the eye axis from becoming long correspondingly.
As a preferable mode of the present utility model, the color temperature of the low color temperature light source group and the color temperature of the high color temperature light source group are two color temperature values of different magnitudes in 2700K-5600K.
As a preferable scheme of the utility model, the color temperature of the low-color temperature light source group and the color temperature of the high-color temperature light source group are any two interval color temperature values of 2700K-3000K, 4000K-4200K, 4700K-5200K and 5500K-6000K respectively.
As a preferable scheme of the utility model, the utility model further comprises a fixed spring piece, wherein the fixed spring piece is hinged with the outer part of the shell. The eye-protecting down lamp can be installed and fixed on the ceiling by the fixed spring piece.
As a preferable aspect of the present utility model, the glare filter sheet is a honeycomb member.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
1. the utility model provides an eye-protecting down lamp which mainly comprises a shell, an LED light source plate and a glare filter sheet, wherein the shell is provided with a light source plate and a glare filter sheet; the shell is a cylindrical member; the LED light source plate comprises a plurality of lamp beads, and the lamp beads are full-color bionic light sources; the LED light source plate and the glare filter sheet are sequentially connected in the shell from inside to outside. On the one hand, the outer layer of the eye-protection down lamp is provided with the dazzling filter disc, so that the dazzling of the lamp can be filtered, the illumination is more uniform and soft, and the eye-protection effect is achieved. On the other hand, the eye-protection down lamp bead adopts a full-color bionic light source, a high-saturation red light and a high-saturation green light exist mode is formed in the spectrum of an illumination light source, and according to the imaging principle of colors on retina, the full-color bionic light source is helpful for adjusting the focal length and the eye axis of vision during vision imaging when in illumination, so that the vision imaging of object reduction colors is realized, the high adaptability and the comfort of vision are ensured, and the eye fatigue under illumination is effectively relieved; the down lamp is simple in structure, strong in eye protection function and convenient to popularize and use.
2. The eye-protecting down lamp provided by the utility model further comprises an LED driving device, wherein the LED light source plate is divided into a high-color-temperature light source combined low-color-temperature light source group, and the change of the illumination color temperature value can be regulated by regulating the current proportion of the low-color-temperature light source group and the high-color-temperature light source group through the LED driving device; the change of illumination brightness can be regulated by simultaneously regulating the magnitude of the low-color temperature light source group current I1 and the magnitude of the high-color temperature light source group current I2; by adjusting the matching of the change of the color temperature value and the change of the brightness of illumination, the human eyes can not blink automatically and passively, the eyeballs can focus and reset automatically, so that the purpose of actively adjusting the eye axis is achieved, and the eye axis is prevented from becoming long.
Drawings
Fig. 1 is an exploded view of an eye-shielding canister lamp according to embodiment 2.
Fig. 2 is a front view of the eye-shielding down lamp of embodiment 2.
Fig. 3 is a schematic bottom view of the glare filter of fig. 2 with glare removed.
Fig. 4 is a schematic view of the structure of the PC sheet of fig. 3 with the frosted diffuse reflection removed.
Fig. 5 is a lamp bead distribution diagram of an LED light source board.
FIG. 6 is a spectrum of a lamp bead of example 1.
FIG. 7 is a spectrum chart of a low color temperature light source group of embodiment 2.
Fig. 8 is a spectrum chart of a high color temperature light source group of embodiment 2.
Icon: 1-a housing; 2-an LED light source board; 21-lamp beads; 22-graphene heat dissipation layer; 23-ventilation holes; 24-a low color temperature bonding pad cathode; 25-a high color temperature bonding pad cathode; 26-pad common anode; 3-a glare filter sheet; 4-frosted diffuse reflection PC sheet; 5-a fixed spring piece.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
An eye-protecting down lamp comprises a shell 1, an LED light source plate 2 and a glare filter sheet 3; preferably, the glare filter 3 is a honeycomb member. The housing 1 is a cylindrical member; the LED light source plate 2 comprises a plurality of lamp beads 21, and the lamp beads 21 are full-color bionic light sources; the LED light source plate 2 and the glare filter 3 are sequentially connected in the shell 1 from inside to outside.
Wherein, lamp pearl 21 colour temperature is 2700K, and the fluorescent layer includes first rete, second rete and the third rete of overlapping in proper order. The first film layer comprises first fluorescent powder and film forming material silica gel, the second film layer comprises second fluorescent powder and film forming material silica gel, and the third film layer comprises third fluorescent powder and film forming material silica gel. The mass ratio of the first fluorescent powder to the second fluorescent powder to the third fluorescent powder is 20:40:35.
wherein the first fluorescent powder comprises fluorescent powder A2, and the fluorescent powder A2 is Y with the luminous wavelength of 490nm 3 (Al，Ga) 5 O 12 。
The second fluorescent powder comprises fluorescent powder B1 and fluorescent powder B2, wherein the fluorescent powder B1 is BaSi with the luminous wavelength of 525nm 2 O 2 N 2 Phosphor B2 is BaSi with a luminescence wavelength of 540nm 2 O 2 N 2 . The mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is 55:50.
The third phosphor includes phosphor C1, phosphor C2, phosphor C3, phosphor D, phosphor E, and phosphor F. Phosphor C1 is (Ca, sr) AlSiN having an emission wavelength of 630nm 3 The phosphor C2 is (Ca, sr) AlSiN with a light emission wavelength of 660nm 3 The phosphor C3 is (Ca, sr) AlSiN with a light emission wavelength of 679nm 3 Phosphor D is (Ca, sr) AlSiN with a light emission wavelength of 720nm 3 Phosphor E is (Ca, sr) AlSiN with a light emission wavelength of 740nm 3 The fluorescent powder F is (Ca, sr) AlSiN with the luminous wavelength of 795nm 3 . The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is 9:13:16:21:23:27.
meanwhile, the film forming method is a film pressing method. The film thickness of the first film layer was 0.13mm and the first phosphor concentration was 61%, the film thickness of the second film layer was 0.13mm and the second phosphor concentration was 61%, and the film thickness of the third film layer was 0.13mm and the third phosphor concentration was 61%.
As shown in FIG. 6, the spectrum of the full-color bionic light source is a spectrum with the approximation degree of the light source radiation power distribution curve and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic light source is more than 95, and R1-R15 are all more than 90.
Preferably, a plurality of lamp beads 21 are arranged on one surface of the LED light source plate 2, a graphene heat dissipation layer 22 is coated on the other surface of the LED light source plate 2, and a plurality of ventilation holes 23 are formed in the LED light source plate 2 at intervals. When the temperature of the light source plate is too high, heat is radiated through the graphene radiating layer and is diffused out through the air holes. Preferably, a fixed spring piece 5 is further included, and the fixed spring piece 5 is hinged with the outer part of the shell 1.
On the one hand, the outer layer of the eye-protection down lamp is provided with the dazzling filter disc, so that the dazzling of the lamp can be filtered, the illumination is more uniform and soft, and the eye-protection effect is achieved. On the other hand, the eye-protection down lamp bead adopts a full-color bionic light source, a high-saturation red light and a high-saturation green light exist mode is formed in the spectrum of an illumination light source, and according to the imaging principle of colors on retina, the full-color bionic light source is helpful for adjusting the focal length and the eye axis of vision during vision imaging when in illumination, so that the vision imaging of object reduction colors is realized, the high adaptability and the comfort of vision are ensured, and the eye fatigue under illumination is effectively relieved; the down lamp is simple in structure, strong in eye protection function and convenient to popularize and use.
Example 2
As shown in fig. 1 and 2, an eye-protecting down lamp comprises a housing 1, an LED light source plate 2 and a glare filter 3; the glare filter sheet 3 is a honeycomb member. The housing 1 is a cylindrical member; the LED light source plate 2 comprises a plurality of lamp beads 21, and the lamp beads 21 are full-color bionic light sources; the LED light source plate 2 and the glare filter 3 are sequentially connected in the shell 1 from inside to outside. The device also comprises a fixed spring piece 5, wherein the fixed spring piece 5 is hinged with the outside of the shell 1.
One surface of the LED light source plate 2 is provided with a plurality of lamp beads 21, the other surface of the LED light source plate 2 is coated with a graphene heat dissipation layer 22, and meanwhile, the LED light source plate 2 is provided with a plurality of ventilation holes 23 at intervals. Preferably, the LED light source plate further comprises a frosted diffuse reflection PC sheet 4, and the frosted diffuse reflection PC sheet 4 is arranged between the LED light source plate 2 and the glare filter sheet 3.
The installation method comprises the following steps:
(1) After the LED light source plate 2 is coated with the graphene heat dissipation layer 22, the LED light source plate 2 is fixedly bonded in the shell 1, and then the LED light source plate 2 is locked by screws.
(2) The frosted diffuse reflection PC sheet 4 is fixed on the glare filter sheet 3.
(3) The frosted diffuse reflection PC sheet 4 and the glare filter sheet 3 are fixed on the shell 1 and fastened.
(4) Finally, the fixed spring piece 5 is buckled on the shell 1.
Specifically, as shown in fig. 3 and 4, the LED light source board further comprises an LED driving device, wherein the LED driving device is electrically connected with the LED light source board 2, meanwhile, the LED light source board comprises two lamp bead rings, each of the two lamp bead rings comprises a plurality of high-color-temperature lamp beads and low-color-temperature lamp beads, all the high-color-temperature lamp beads and all the low-color-temperature lamp beads are arranged at intervals in each lamp bead ring, the lamp beads adjacent to the high-color-temperature lamp beads are the low-color-temperature lamp beads, and the lamp beads adjacent to the low-color-temperature lamp beads are the high-color-temperature lamp beads. All the high-color-temperature lamp beads are connected in series to form a high-color-temperature light source group, and all the low-color-temperature lamp beads are connected in series to form a low-color-temperature light source group. As shown in particular in fig. 5.
The LED driving device can respectively drive the low-color-temperature light source group and the high-color-temperature light source group, and adjust the current I1 of the low-color-temperature light source group and the current I2 of the high-color-temperature light source group so as to realize the adjustment of the change of illumination brightness; and adjusting the current proportion of the low-color-temperature light source group and the high-color-temperature light source group to realize the adjustment of the change of the illumination color temperature value. Wherein the color temperature of the low color temperature light source group and the color temperature of the high color temperature light source group are 3000K and 4200K respectively.
Specifically, the fluorescent layer of low colour temperature light source group lamp pearl includes first rete, second rete and the third rete of overlapping in proper order. The first film layer comprises first fluorescent powder and film forming material silica gel, the second film layer comprises second fluorescent powder and film forming material silica gel, and the third film layer comprises third fluorescent powder and film forming material silica gel. The mass ratio of the first fluorescent powder to the second fluorescent powder to the third fluorescent powder is 20:50:35.
wherein the first fluorescent powder comprises fluorescent powder A2, and the fluorescent powder A2 is Y with the luminous wavelength of 490nm 3 (Al，Ga) 5 O 12 。
The second fluorescent powder comprises fluorescent powder B1 and fluorescent powder B2, wherein the fluorescent powder B1 is BaSi with the luminous wavelength of 525nm 2 O 2 N 2 Phosphor B2 is BaSi with a luminescence wavelength of 540nm 2 O 2 N 2 . The mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is 55:50.
the third phosphor includes phosphor C1, phosphor C2, phosphor C3, phosphor D, phosphor E, and phosphor F. Phosphor C1 is (Ca, sr) AlSiN having an emission wavelength of 630nm 3 The phosphor C2 is (Ca, sr) AlSiN with a light emission wavelength of 660nm 3 The phosphor C3 is (Ca, sr) AlSiN with a light emission wavelength of 679nm 3 Phosphor D is (Ca, sr) AlSiN with a light emission wavelength of 720nm 3 Phosphor E is (Ca, sr) AlSiN with a light emission wavelength of 740nm 3 The fluorescent powder F is (Ca, sr) AlSiN with the luminous wavelength of 795nm 3 . The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is 9:12:15:20:21:25.
meanwhile, the film forming method was a film-spraying method, the film thickness of the first film layer was 0.004mm and the first phosphor concentration was 67%, the film thickness of the second film layer was 0.004mm and the second phosphor concentration was 67%, and the film thickness of the third film layer was 0.004mm and the third phosphor concentration was 67%.
The spectrum of the full-color bionic light source is a spectrum with the approximation degree of the light source radiation power distribution curve and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic light source is more than 95, and R1-R15 are all more than 90.
As shown in particular in fig. 7. The light source spectrum of the low-color temperature light source group is a full-color bionic light source, and the approximation degree of the full-color bionic light source and the light spectrum of the same color Wen Ziran is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic light source at the time of in, bi refers to the radiation quantity of the natural light spectrum with the same color temperature at the time of in; when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 93%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 98%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 97 percent.
Specifically, the fluorescent layer of high colour temperature light source lamp pearl includes first rete, second rete and the third rete of overlapping in proper order. The first film layer comprises first fluorescent powder and film forming material silica gel, the second film layer comprises second fluorescent powder and film forming material silica gel, and the third film layer comprises third fluorescent powder and film forming material silica gel. The mass ratio of the first fluorescent powder to the second fluorescent powder to the third fluorescent powder is 20:70:25.
wherein the first fluorescent powder comprises fluorescenceA phosphor A2, wherein the phosphor A2 is Y with a light emission wavelength of 490nm 3 (Al，Ga) 5 O 12 。
The second fluorescent powder comprises fluorescent powder B1 and fluorescent powder B2, wherein the fluorescent powder B1 is BaSi with the luminous wavelength of 525nm 2 O 2 N 2 Phosphor B2 is BaSi with a luminescence wavelength of 540nm 2 O 2 N 2 . The mass ratio of the fluorescent powder B1 to the fluorescent powder B2 is 30:40.
The third phosphor includes phosphor C1, phosphor C2, phosphor C3, phosphor D, phosphor E, and phosphor F. Phosphor C1 is (Ca, sr) AlSiN having an emission wavelength of 630nm 3 The phosphor C2 is (Ca, sr) AlSiN with a light emission wavelength of 660nm 3 The phosphor C3 is (Ca, sr) AlSiN with a light emission wavelength of 679nm 3 Phosphor D is (Ca, sr) AlSiN with a light emission wavelength of 720nm 3 Phosphor E is (Ca, sr) AlSiN with a light emission wavelength of 740nm 3 The fluorescent powder F is (Ca, sr) AlSiN with the luminous wavelength of 795nm 3 . The mass ratio of the fluorescent powder C1, the fluorescent powder C2, the fluorescent powder C3, the fluorescent powder D, the fluorescent powder E and the fluorescent powder F is 9:12:15:20:20:22.
meanwhile, the film forming method was a film-spraying method, the film thickness of the first film layer was 0.003mm and the first phosphor concentration was 67%, the film thickness of the second film layer was 0.003mm and the second phosphor concentration was 67%, and the film thickness of the third film layer was 0.003mm and the third phosphor concentration was 67%.
The spectrum of the full-color bionic light source is a spectrum with the approximation degree of the light source radiation power distribution curve and the natural spectrum of the same color temperature reaching 95% +/-5%, the spectrum color rendering index of the full-color bionic light source is more than 95, and R1-R15 are all more than 90.
As shown in particular in fig. 8. The light source spectrum of the high-color temperature light source group is a full-color bionic spectrum, and the approximation degree of the full-color bionic spectrum and the same-color Wen Ziran light spectrum is Ai/Bi; wherein Ai refers to the radiation quantity of the full-color bionic light source at the time of in, bi refers to the radiation quantity of the natural light spectrum with the same color temperature at the time of in; when i is more than or equal to 380nm and less than or equal to 480nm, ai/Bi is 95%; when i is more than or equal to 480nm and less than or equal to 600nm, ai/Bi is 98%; when i is more than or equal to 600nm and less than or equal to 700nm, ai/Bi is 97 percent.
A method of down lamp illumination comprising the steps of:
step 1, gradually changing an illumination light source from a highest color temperature value 4200K to a low color temperature value 3000K, wherein in the color temperature gradual change process, an illumination brightness value 800Lux is unchanged, the color temperature gradual change duration is 6s, then, the lowest color temperature value is kept, the illumination brightness value is reduced from 800Lux to 200Lux within 2s, and illumination is kept for 6s; then the brightness value is increased to 800Lux within 2 s;
step 2, gradually changing the illumination light source from a lowest color temperature value of 3000K to a highest color temperature value of 4200K, and keeping a 100% brightness value of 800Lux and a color temperature gradual change duration of 6s in the gradual change process; then, keeping the highest color temperature value unchanged, and keeping illumination brightness within 2s from 800Lux to 200Lux, and keeping illumination for 6s; then the brightness value is increased to 800Lux within 2 s;
and step 3, repeating the steps from the step 1 to the step 2, and circularly illuminating.
The LED driving device is used for adjusting the current proportion of the low-color-temperature light source group and the high-color-temperature light source group to be capable of adjusting the change of the illumination color temperature value; the change of illumination brightness can be regulated by simultaneously regulating the magnitude of the low-color temperature light source group current I1 and the magnitude of the high-color temperature light source group current I2; by adjusting the matching of the change of the color temperature value and the change of the brightness of illumination, the human eyes can not blink automatically and passively, the eyeballs can focus and reset automatically, so that the purpose of actively adjusting the eye axis is achieved, and the eye axis is prevented from becoming long.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. An eye-protecting down lamp is characterized by comprising a shell (1), an LED light source plate (2) and a glare filter sheet (3);
the shell (1) is a cylindrical member;
the LED light source board (2) comprises a plurality of lamp beads (21), and the lamp beads (21) are full-color bionic light sources;
the LED light source plate (2) and the glare filter sheet (3) are sequentially connected in the shell (1) from inside to outside.
2. The eye-protection down lamp according to claim 1, wherein a plurality of lamp beads (21) are arranged on one surface of the LED light source plate (2), a graphene heat dissipation layer (22) is coated on the other surface of the LED light source plate (2), and a plurality of ventilation holes (23) are formed in the LED light source plate (2) at intervals.
3. The eye-shielding down lamp according to claim 2, further comprising a frosted diffuse reflection PC sheet (4), the frosted diffuse reflection PC sheet (4) being arranged between the LED light source board (2) and the glare filter sheet (3).
4. The eye-protection down lamp according to claim 1, further comprising an LED driving device, wherein the LED driving device is electrically connected with the LED light source board (2), and a plurality of the lamp beads (21) are divided into a high color temperature light source group and a low color temperature light source group; the LED driving device can respectively drive the low-color-temperature light source group and the high-color-temperature light source group, and adjust the current I1 of the low-color-temperature light source group and the current I2 of the high-color-temperature light source group so as to realize the adjustment of the change of illumination brightness; and adjusting the current proportion of the low-color-temperature light source group and the high-color-temperature light source group to realize the adjustment of the change of the illumination color temperature value.
5. The eye-shielding down lamp of claim 4, wherein the high color temperature light source group comprises a plurality of high color temperature lamp beads connected in series, in parallel or in series-parallel; the low color temperature light source group comprises a plurality of low color temperature lamp beads which are connected in series, in parallel or in series-parallel.
6. The eye-shielding down lamp of claim 5, wherein all the high color temperature beads and all the low color temperature beads are arranged at intervals, and the beads adjacent to the high color temperature beads are the low color temperature beads, and the beads adjacent to the low color temperature beads are the high color temperature beads.
7. The eye-shielding down lamp of claim 6, wherein the color temperature of the low color temperature light source group and the color temperature of the high color temperature light source group are two color temperature values with different magnitudes in 2700K-5600K.
8. The eye-shielding down lamp of claim 7, wherein the color temperature of the low color temperature light source group and the color temperature of the high color temperature light source group are any two interval color temperature values of 2700K-3000K, 4000K-4200K, 4700K-5200K and 5500K-6000K, respectively.
9. Eye-protection down lamp according to any one of claims 1-8, characterized in that it further comprises a fixed spring plate (5), said fixed spring plate (5) being hinged to the outside of the housing (1).
10. Eye-protection down lamp according to any one of claims 1-8, characterized in that the glare filter sheet (3) is a honeycomb-like member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223127565.5U CN219453712U (en) | 2022-11-24 | 2022-11-24 | Eye-protection down lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223127565.5U CN219453712U (en) | 2022-11-24 | 2022-11-24 | Eye-protection down lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219453712U true CN219453712U (en) | 2023-08-01 |
Family
ID=87417479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223127565.5U Active CN219453712U (en) | 2022-11-24 | 2022-11-24 | Eye-protection down lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219453712U (en) |
-
2022
- 2022-11-24 CN CN202223127565.5U patent/CN219453712U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6802803B2 (en) | Multi-channel lamp system and method using mixed spectrum | |
| US7015636B2 (en) | Balanced blue spectrum therapy lighting | |
| US20230151950A1 (en) | Full-spectrum eye-protecting led lamp panel structure and lamp | |
| WO2020248748A1 (en) | Led light source for rhythm lighting | |
| EP4235824A1 (en) | Light source module and illumination apparatus comprising said light source module | |
| CN219453712U (en) | Eye-protection down lamp | |
| CN111720758A (en) | Light source module and lamp | |
| CN219453878U (en) | High-efficient heat dissipation eyeshield shot-light and shot-light module | |
| CN219177645U (en) | Efficient heat dissipation eye-protection PAR lamp and PAR lamp module thereof | |
| WO2022111307A1 (en) | Light source module and light fixture | |
| CN218954639U (en) | Eyeball bubble lamp is protected in high-efficient heat dissipation | |
| CN219177603U (en) | Multifunctional floor lamp | |
| CN221004760U (en) | Eye-protection illumination LED luminescent plate and lighting device | |
| CN111853579A (en) | Lamp fitting | |
| CN108826030A (en) | A kind of lighting of home bulb lamp | |
| CN221004759U (en) | Eye-protection LED luminous plate and LED lighting device | |
| CN221004758U (en) | LED light source structure and LED lighting device | |
| WO2024109751A1 (en) | Sleep aid lamp and sleep aid lamp control method | |
| CN221035308U (en) | Full-color bionic LED luminescent plate and lighting device | |
| CN214840449U (en) | Myopia prevention and control lighting system | |
| CN219198931U (en) | Solar simulation lighting system | |
| CN221035309U (en) | LED luminescent plate and LED lighting device with alleviate eyestrain function | |
| CN212056949U (en) | Medical LED cold light source of eyeshield | |
| CN211858682U (en) | Lens for LED lamp body | |
| CN218671933U (en) | Sectional type LED atmosphere lamp of adjusting luminance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |