CN104633595A - LED lamp simulating sunlight with high color rendering index - Google Patents
LED lamp simulating sunlight with high color rendering index Download PDFInfo
- Publication number
- CN104633595A CN104633595A CN201510065554.4A CN201510065554A CN104633595A CN 104633595 A CN104633595 A CN 104633595A CN 201510065554 A CN201510065554 A CN 201510065554A CN 104633595 A CN104633595 A CN 104633595A
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- led
- module
- light
- rendering index
- luminescence chip
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/006—Solar simulators, e.g. for testing photovoltaic panels
-
- 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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
-
- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Led Device Packages (AREA)
Abstract
The invention relates to an LED lamp simulating sunlight with a high color rendering index and belongs to the technical field of semiconductor lighting. The LED lamp comprises an LED module array. The LED module array is composed of red LED chips (1), green LED chips (2), blue LED chips (3), yellow LED chips (4), orange LED chips (5) and white LED chips (6); the LED module array is in an 2*2 array distributed in the lamp; with a good light-mixing structure and a good software light-distributing system, the white LED light source device with high color rendering index, continuously adjustable in the color temperature range of 2000K to 9000K. The LED lamp is especially suitable for the lighting application fields requiring high light source color rendering index and light source adjustability, such as textile dyeing and finishing, fresh food and education promotion.
Description
Technical field
The present invention is a kind of with the LED lamp of high color rendering index (CRI) solar simulated, belongs to the technical field of semiconductor lighting.
Background technology
White light LEDs improves constantly along with luminous efficiency, apply more and more extensive, current White-light LED illumination light source mainly contains two kinds: a kind of is utilize blue-light LED chip to organically combine with the fluorescent material of the Yellow light-emitting low temperature that effectively can be excited by blue light to form white light LEDs, part blue light is absorbed by fluorescent material, excitated fluorescent powder launches gold-tinted, the gold-tinted launched and remaining blue light, the strength ratio regulating and controlling them can obtain the white light of various colour temperature; The another kind of red, green and blue light LED that adopts carries out colour mixture, forms white light.These two kinds of White-light LED illumination light sources are compared with traditional light source, and a significant defect is that colour rendering index (Ra) is on the low side.The light source that Ra is greater than 90 just has good color repdocutbility, belongs to high color rendering index (CRI) light source.The application requirement in the fields such as the Ra of current White-light LED illumination light source, generally between 70 ~ 80, can't meet and require higher application to color repdocutbility, as fresh in textile printing and dyeing, food and education popularization.
The white light owing to adopting blue-light LED chip and yellow fluorescent powder technology to be formed that phosphor technologies causes white light LEDs colour rendering index on the low side, its spectrum is on the low side in the spectral power density of green light wave band and red spectral band; Adopt the white light that red, green and blue light colour mixture is formed, because between red, green and blue light, the mid portion spectrum of wave band is discontinuous, colour rendering index is also on the low side.After the red, green and blue light adding multiple different-waveband and orange-colored light LED, compensate for this defect, LED lamp colour rendering index can be made to significantly improve.
Summary of the invention
In order to the problem proposed in technical solution background, the invention provides the LED illumination lamp of the solar simulated that a kind of colour rendering index is high, reliability is high and easy to use.
For reaching above object, the technical solution used in the present invention is as follows:
A kind of with the LED lamp of high color rendering index (CRI) solar simulated, containing shell, scatter plate, LED module array, control circuit module (7), drive circuit module (8) and power module, described scatter plate, LED module array, control circuit module (7) and drive circuit module (8) are located in shell, described LED module array is by control circuit module (7), drive circuit module (8) controls and drives, described often group LED module comprises the LED luminescence chip of at least 4 kinds of different colours, by regulating the brightness of LED modules with different colors luminescence chip, the continuously adjustable emergent light of 2000K to 9000K is exported after scatter plate mixed light, and its colour rendering index Ra is all greater than 95.
Described LED module comprises red-light LED luminescence chip (1), green LED chip (2), blue-ray LED luminescence chip (3), sodium yellow LED luminescence chip (4), orange-colored light LED luminescence chip (5) and white light LEDs luminescence chip (6).
Described LED module array is at least one group, and the single module peak power of described LED module array is 48W; When the target optical spectrum of luminous intensity distribution is black body radiation working flare, described black body radiation refers to the radiation of being radiated out by desirable radiation, radiates the radiation of maximum at specified temp and specific wavelength.As the incandescent lamp in daily life, the power of each module is 15-27W.
Described LED module array is one group, four groups or eight groups; The more multiple light area of module is larger; The light source that module is combined into more is larger.The light fixture of one group of LED module composition, because illumination uniformity is high, can be applicable to camera module group lens and corrects; Its illumination zone of light fixture of four groups of LED module compositions increases, and is convenient to install, and can be applicable to general utility functions illumination; The light fixture of eight groups of LED module compositions can be used for making lamp box.Described LED module array is one group, makes the light-emitting area uniformity of light fixture higher, or described LED module array is one group eight groups, thus increases the light-emitting area of light fixture, and LED module increases from a LED module gradually to eight LED module light-emitting areas.
Described LED module array is four groups, be arranged in the matrix of 2 × 2, LED luminescence chip color in each module is: two kinds be different red-light LED luminescence chip (1), two kinds be different green LED chip (2), three kinds be different blue-ray LED luminescence chips (3), a kind of sodium yellow LED luminescence chip (4), one be orange-colored light LED chip (5), two kinds is different white light LEDs luminescence chips (6), and four groups of LED modules are arranged in lamp outer casing in a symmetrical manner; Each LED luminescence chip is in specific position according to light distribution requirements, and according to reusable many LED luminescence chips of the same race of light distribution requirements in each module.
Described LED module array is arranged by arbitrary form, if having requirement to lamp luminescence uniformity, recommendation is symmetrical.
The luminescence chip that can increase LED luminescence chip according to actual conditions or replace in LED module.
Can realize the brightness of often kind of LED luminescence chip in module array adjustable, thus regulate brightness and the colour temperature of this LED lamp, and optimize colour rendering index.
Compared with background technology, the present invention has following advantage:
1. colour rendering index is high, reach 95 and more than, suitable be applied in the field high to the requirement of lighting source colour rendering index, as museum lighting and textile printing and dyeing lighting field.
2. can realize the black body radiation track polishing wax continuously adjustabe at 2000K to 9000K, and under often kind of colour temperature brightness continuously adjustabe.
3. this light fixture can adopt various ways to install, thus is applied to different lighting environment.
Accompanying drawing explanation
Fig. 1 is the arrangement schematic diagram of single led module.
Fig. 2 is control circuit in LED lamp and drive circuit module schematic diagram.
Fig. 3 is the arrangement schematic diagram of the LED module array of 2 × 2.
Detailed description of the invention
Now describe technical scheme of the present invention and operation principle in conjunction with the accompanying drawings and embodiments in detail.
A kind of with the LED lamp of high color rendering index (CRI) solar simulated, containing shell, scatter plate, LED module array, control circuit module (7), drive circuit module (8) and power module, described scatter plate, LED module array, control circuit module (7) and drive circuit module (8) are located in shell, described LED module array is by control circuit module (7), drive circuit module (8) controls and drives, it is characterized in that described often group LED module comprises the LED luminescence chip of at least 4 kinds of different colours, by regulating the brightness of LED modules with different colors luminescence chip, the continuously adjustable emergent light of 2000K to 9000K is exported after scatter plate mixed light, and its colour rendering index Ra is all greater than 95.
Described LED module comprises red-light LED luminescence chip (1), green LED chip (2), blue-ray LED luminescence chip (3), sodium yellow LED luminescence chip (4), orange-colored light LED luminescence chip (5) and white light LEDs luminescence chip (6).
Described LED module array is at least one group, and the single module peak power of described LED module array is 48W; When the target optical spectrum of luminous intensity distribution is black body radiation working flare, described black body radiation refers to the radiation of being radiated out by desirable radiation, radiates the radiation of maximum at specified temp and specific wavelength.As the incandescent lamp in daily life, the power of each module is 15-27W.
Described LED module array is one group, four groups or eight groups; The more multiple light area of module is larger; The light source that module is combined into more is larger.The light fixture of one group of LED module composition, because illumination uniformity is high, can be applicable to camera module group lens and corrects; Its illumination zone of light fixture of four groups of LED module compositions increases, and is convenient to install, and can be applicable to general utility functions illumination; The light fixture of eight groups of LED module compositions can be used for making lamp box.Described LED module array is one group, make the light-emitting area uniformity of light fixture higher, or described LED module array is eight groups, thus increases the light-emitting area of light fixture, and LED module increases from a LED module gradually to eight LED module light-emitting areas.
Described LED module array is four groups, be arranged in the matrix of 2 × 2, LED luminescence chip color in each module is: two kinds be different red-light LED luminescence chip (1), two kinds be different green LED chip (2), three kinds be different blue-ray LED luminescence chips (3), a kind of sodium yellow LED luminescence chip (4), one be orange-colored light LED chip (5), two kinds is different white light LEDs luminescence chips (6), and four groups of LED modules are arranged in lamp outer casing in a symmetrical manner; Each LED luminescence chip is in specific position according to light distribution requirements, and according to reusable many LED luminescence chips of the same race of light distribution requirements in each module.
Described LED module array is arranged by arbitrary form, if having requirement to lamp luminescence uniformity, recommendation is symmetrical.
The luminescence chip that can increase LED luminescence chip according to actual conditions or replace in LED module.
Can realize the brightness of often kind of LED luminescence chip in module array adjustable, thus regulate brightness and the colour temperature of this LED lamp, and optimize colour rendering index.
The brightness of each LED luminescence chip can be controlled by the serial ports of control panel, thus obtain continuously adjustable high color rendering index (CRI) LED illumination lamp in 2000K to 9000K reference color temperature.
Circle in Fig. 1 immediately below numeral and square indication lamp pearl, the combination square on side represents resistance; Have circle to have square frame to be that the packaged type of indication lamp pearl is different below numeral, its shape is different, in order to image indicates various lamp pearl, so there is square frame to have circle; The resistance on side requires the adjustable resistance of joining do not have special technical requirement according to physical circuit.
Claims (8)
1. one kind with the LED lamp of high color rendering index (CRI) solar simulated, comprise shell, scatter plate, LED module array, control circuit module (7), drive circuit module (8) and power module, described scatter plate, LED module array, control circuit module (7) and drive circuit module (8) are located in shell, described LED module array is by control circuit module (7), drive circuit module (8) controls and drives, it is characterized in that described often group LED module comprises the LED luminescence chip of at least 4 kinds of different colours, owing to being provided with the LED luminescence chip of multiple different colours in light fixture, by regulating the brightness of LED modules with different colors luminescence chip, the continuously adjustable emergent light of 2000K to 9000K is exported after scatter plate mixed light, and its colour rendering index Ra is all greater than 95.
2. according to claim 1 a kind of with the LED lamp of high color rendering index (CRI) solar simulated, it is characterized in that described LED module comprises red-light LED luminescence chip (1), green LED chip (2), blue-ray LED luminescence chip (3), sodium yellow LED luminescence chip (4), orange-colored light LED luminescence chip (5) and white light LEDs luminescence chip (6).
3. according to claim 1 a kind of with the LED lamp of high color rendering index (CRI) solar simulated, it is characterized in that described LED module array is at least one group, the single module peak power of described LED module array is 48W; When the target optical spectrum of luminous intensity distribution is black body radiation working flare, the power of each module is 15-27W.
4. according to claim 1 a kind of with the LED lamp of high color rendering index (CRI) solar simulated, it is characterized in that described LED module array is one group, four groups or eight groups; The more multiple light area of module is larger; The light source that module is combined into more is larger.
5. according to claim 1 a kind of with the LED lamp of high color rendering index (CRI) solar simulated, it is characterized in that described LED module array is four groups, be arranged in the matrix of 2 × 2, LED luminescence chip color in each module is: two kinds is different red-light LED luminescence chips (1), two kinds is different green LED chips (2), three kinds is different blue-ray LED luminescence chips (3), a kind of sodium yellow LED luminescence chip (4), one is orange-colored light LED chip (5), two kinds is different white light LEDs luminescence chips (6), four groups of LED modules are arranged in lamp outer casing in a symmetrical manner, each LED luminescence chip is in specific position according to light distribution requirements, and uses many LED luminescence chips of the same race according to light distribution requirements in each module.
6. according to claim 1 a kind of with the LED lamp of high color rendering index (CRI) solar simulated, it is characterized in that described LED module array is arranged by arbitrary form, if having requirement to lamp luminescence uniformity, recommendation is symmetrical.
7. according to claim 1ly a kind ofly to it is characterized in that with the LED lamp of high color rendering index (CRI) solar simulated, can increase according to actual conditions or replace the LED luminescence chip in LED module.
8. according to claim 1ly a kind ofly to it is characterized in that with the LED lamp of high color rendering index (CRI) solar simulated, can realize the brightness of often kind of LED luminescence chip in module array adjustable, thus regulate brightness and the colour temperature of this LED lamp, and optimize colour rendering index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510065554.4A CN104633595B (en) | 2015-02-09 | 2015-02-09 | A kind of with the LED lamp of high color rendering index (CRI) solar simulated |
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| CN201510065554.4A CN104633595B (en) | 2015-02-09 | 2015-02-09 | A kind of with the LED lamp of high color rendering index (CRI) solar simulated |
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| CN104633595A true CN104633595A (en) | 2015-05-20 |
| CN104633595B CN104633595B (en) | 2016-02-24 |
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Cited By (4)
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| CN109379813A (en) * | 2018-12-07 | 2019-02-22 | 深圳和而泰智能控制股份有限公司 | The illumination module of adjustable color and the color temperature adjusting method of illumination module |
| CN109856894A (en) * | 2019-04-03 | 2019-06-07 | 深圳市莱宝影视科技有限公司 | The aobvious LED movies-making lamp of height and its color temperature adjusting method |
| CN110159940A (en) * | 2019-05-16 | 2019-08-23 | 北京星光影视设备科技股份有限公司 | LED light |
| CN115325470A (en) * | 2022-08-08 | 2022-11-11 | 重庆绿色科技开发（集团）有限公司 | Technology for manufacturing five-primary-color full-spectrum multicolor temperature light source by red, green, blue, yellow and white LED mixed light |
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| CN109379813A (en) * | 2018-12-07 | 2019-02-22 | 深圳和而泰智能控制股份有限公司 | The illumination module of adjustable color and the color temperature adjusting method of illumination module |
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| CN115325470A (en) * | 2022-08-08 | 2022-11-11 | 重庆绿色科技开发（集团）有限公司 | Technology for manufacturing five-primary-color full-spectrum multicolor temperature light source by red, green, blue, yellow and white LED mixed light |
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| Publication number | Publication date |
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| CN104633595B (en) | 2016-02-24 |
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