CN105517246A - Multi-channel LED (light-emitting diode)-based verivide color assessment cabinet - Google Patents

Multi-channel LED (light-emitting diode)-based verivide color assessment cabinet Download PDF

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Publication number
CN105517246A
CN105517246A CN201610029825.5A CN201610029825A CN105517246A CN 105517246 A CN105517246 A CN 105517246A CN 201610029825 A CN201610029825 A CN 201610029825A CN 105517246 A CN105517246 A CN 105517246A
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CN
China
Prior art keywords
channel led
verivide color
verivide
led
assesment cabinet
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.)
Pending
Application number
CN201610029825.5A
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Chinese (zh)
Inventor
王彬宇
罗明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thousand Lights Lighting (changzhou) Ltd
Original Assignee
Thousand Lights Lighting (changzhou) Ltd
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Thousand Lights Lighting (changzhou) Ltd filed Critical Thousand Lights Lighting (changzhou) Ltd
Priority to CN201610029825.5A priority Critical patent/CN105517246A/en
Publication of CN105517246A publication Critical patent/CN105517246A/en
Priority to PCT/CN2016/081157 priority patent/WO2017121051A1/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • 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
    • 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
    • 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
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • 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
    • F21V5/00—Refractors for light sources
    • F21V5/04—Refractors for light sources of lens shape
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/32—Pulse-control circuits
    • H05B45/325—Pulse-width modulation [PWM]
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/30—Driver circuits
    • H05B45/357—Driver circuits specially adapted for retrofit LED light sources
    • H05B45/3578—Emulating the electrical or functional characteristics of discharge lamps

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a multi-channel LED (light-emitting diode)-based verivide color assessment cabinet, used for achieving an aim of matching any spectral power distribution by adjusting the brightness of LEDs of various emergent peak wavelengths in an LED module and performing light mixing, thus realizing high precision simulation of spectral power distributions of common light sources in industry. Standard sunlight D50 and D65 simulated on the basis of the verivide color assessment cabinet can reach the following properties: color rendering indexes CIE and Ra are both 99, metamerism indexes MIs can respectively reach an AB level and an AC level, and color temperature difference does not exceed plus/minus 75K; meanwhile, the advantages of no preheating time, long service life, no stroboflash, capability of simultaneously simulating multiple light sources by one device, energy conservation, and the like are achieved.

Description

Based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED
Technical field
The invention belongs to field of LED illumination, particularly based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED.
Background technology
Standard VERIVIDE COLOR ASSESMENT CABINET is widely used in the color world such as textile, printing and dyeing, printing, plastic cement, pigment, paint, ink, photography, the commodity high to ask for something, particularly exported product, brand business requires very high to consistency of colour, an important index is had to be exactly the misalignment that will check article under the VERIVIDE COLOR ASSESMENT CABINET meeting international standard, as the aberration of production sample and target sample.
VERIVIDE COLOR ASSESMENT CABINET provides various light sources usually, as simulated the light source of CIE standard daylight D50 or D65, TL84, CWF, U30 of store display Room light, horizontal daylight HORIZON, ultraviolet lamp tube UV etc.Traditional VERIVIDE COLOR ASSESMENT CABINET adopts common fluorescent lamp as lighting source usually, and after use was more than 2000 hours, light-source brightness will obviously reduce, and just needs to change fluorescent tube; The attainable spectral power distribution of lamp box of fluorescent tube composition is fixed, other spectral distribution if necessary, then need the fluorescent tube increasing lamp box, very inconvenient; In addition, fluorescent lamp needs longer warm-up time in use.
LED light source has that luminous efficiency is high, power consumption is few, long service life, security reliability are strong, without stroboscopic be conducive to the plurality of advantages such as environmental protection, therefore the employing LED light source fluorescent light substituted in VERIVIDE COLOR ASSESMENT CABINET is trend of the times.Due to spectrum narrowband and the diversity of LED light source, therefore reach the adjustable of spectral power distribution by the luminous mixed light of the LED lamp bead of multiple different outgoing wavelength, thus realize high-quality reproduction standard daylight D50, D65 and other light sources.LED technology is applied to traditional VERIVIDE COLOR ASSESMENT CABINET, will greatly improves the useful life of lamp box, shorten the warm-up time needed for Illuminative for sign.
Summary of the invention
In order to solve the problem proposed in background technology, the invention provides that a kind of precision is high, the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED of stable output.The technical solution used in the present invention is as follows:
Based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED, it is characterized in that: comprise casing, user's control end, microcomputer control circuit, drive circuit, LED module, optical system, heat radiation module, power supply and transducer; Reach the object of mating arbitrary spectral power distribution by regulating the brightness of the LED of each outgoing peak wavelength in LED module and carrying out mixed light, thus realize the spectral power distribution of simulation industrial quarters Ordinary Light Sources Have.
Based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED, it is characterized in that its standard daylight D50 and D65 simulated, its color rendering index CIERa is 99, and metameric index MI can reach AB and AC grade respectively, and the aim colour temperature difference is different is no more than ± 75K;
Described casing comprises light source and inspection box two parts, and the spraying of inspection box internal color is neutral ash, as MunsellN5 or MunsellN7 neutral gray, provides the illumination observation environment of a standard;
Described user's control end comprises one or more combination control modes in conputer controlled software, mobile phone application software, controller and physical button, by wireless or wired mode and microcomputer control circuit communication;
Described microcomputer control circuit inside comprises the single-chip microcomputer and memory cell with certain process operational capability, can receive the order of user's control end and sensor transmissions and to come signal carry out resolving and processing; Be responsible for and user's control end and drive circuit communication simultaneously;
Described drive circuit receives the order of microcomputer control circuit, is regulated the brightness of often kind of LED in LED module by the combination of amplitude modulation(PAM) (AM), pulse width modulation (PWM) or two kinds of modulation systems;
Described LED module is the LED combination of multiple different outgoing peak wavelength, and packing forms comprises single lamp pearl or COB;
Described optical system is the combination of diffuser plate or optical lens or diffuser plate and optical lens, and optical system is placed in light source front, makes mixed light more even;
Described heat radiation module be active heat removal pattern or passive radiating mode or initiatively with the combination of passive radiating mode;
Described transducer is the one or more combination in temperature, luminosity, colourity, spectrum sensor, and transducer is connected with microcomputer control circuit or user's control end, the parameter that Real-Time Monitoring is corresponding, and feeds back to microcomputer control circuit or user's control end.
In sum, VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED reaches the object of mating arbitrary spectral power distribution by regulating the brightness of the LED of each outgoing peak wavelength in LED module and carrying out mixed light, thus realizes the spectral power distribution of high-precision analog industrial quarters Ordinary Light Sources Have.Standard daylight D50 and D65 simulated based on VERIVIDE COLOR ASSESMENT CABINET of the present invention can reach following performance, and color rendering index CIERa is 99, and metameric index MI can reach AB and AC grade respectively, and colour temperature difference is no more than ± 75K; Also take into account simultaneously without preheating time, life-span long, to simulate various light sources, the advantage such as energy-conservation without stroboscopic, equipment simultaneously.
Accompanying drawing explanation
Fig. 1 is the design sketch based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED in embodiment;
Fig. 2 is the Lights section based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED in embodiment;
Fig. 3 is the conputer controlled software interface figure based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED in embodiment;
Fig. 4 is the emergent light spectral power distributions based on LED lamp bead in the LED module of the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED in embodiment;
Fig. 5 is external spectrum sensor X-Ritei1Pro2 in embodiment;
Fig. 6 is the spectral power distribution based on the VERIVIDE COLOR ASSESMENT CABINET mock standard daylight D50 of multi-channel LED in embodiment;
Fig. 7 is the spectral power distribution based on the VERIVIDE COLOR ASSESMENT CABINET mock standard daylight D65 of multi-channel LED in embodiment;
Fig. 8 is the light Q factor based on VERIVIDE COLOR ASSESMENT CABINET mock standard daylight D50 and D65 of multi-channel LED in embodiment.
Embodiment
Below in conjunction with embodiment, the invention will be further described, as depicted in figs. 1 and 2:
Based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED, comprise casing (light source 13 and inspection box 17), user's control end (control panel 1 and Digiplex 18), microcomputer control circuit 2, drive circuit 3, LED module 7, optical system (diffuser plate 16), heat radiation module (air inlet 14, dust-blocking cover 5 and 8, fan 9, aluminium radiator 6 and fixed support 10), power supply (power supply adaptor 12, power interface 11 and mains switch 4) and transducer (built-in temperature sensor and external spectrum sensor X-Ritei1Pro2 spectroradiometer); USB port 15 is connected with microcomputer control circuit 2 by USB extended line;
Casing in embodiment comprises light source 13 and inspection box 17 two parts, and the spraying of inspection box 17 internal color is the neutral ash of MunsellN7;
User's control end in embodiment is conputer controlled software, control panel 1 and Digiplex 18; Conputer controlled software interface is shown in Fig. 3, realizes computer to be connected with microcomputer control circuit 2 that going forward side by side works interrogates by USB port 15; Control panel 1 comprises physical button switchable light source, and display screen display light source information, is electrically connected with microcomputer control circuit 2; Wireless controller 18 comprises physical button switchable light source;
Microcomputer control circuit 2 inside in embodiment comprises the single-chip microcomputer and memory cell with certain process operational capability, can receive user's control end order and and carry out resolving and processing, concurrent order of losing one's life is to drive circuit 3, store LED formula in memory cell, microcomputer control circuit 2 and drive circuit 3 are electrically connected;
In embodiment, drive circuit 3 receives the order of microcomputer control circuit 2, the mode combined by amplitude modulation(PAM) (AM) and pulse width modulation (PWM) regulates the brightness of often kind of LED in LED module 7, and drive circuit 3 and LED module 7 are electrically connected;
LED module 7 in embodiment is the LED lamp bead combination of 14 kinds of different outgoing peak wavelengths, and its each spectral power distribution is shown in Fig. 4;
Optical system in embodiment is diffuser plate 16, is placed in LED light source front, makes mixed light more even;
Embodiment heat radiation module be initiatively with the combination of passive radiating mode, wherein active heat removal comprises fan 9 and air inlet 14, and passive heat radiation is fixed support 10 and aluminium radiator 6;
Power supply adaptor 12 in embodiment is electrically connected with drive circuit 3, microcomputer control circuit 2, power interface 11 and mains switch 4, and mains switch 4 controls bulk supply;
Transducer in embodiment is temperature and light spectrum sensor two kinds, wherein temperature sensor and microcomputer control circuit 2 are electrically connected, be placed in light source 13, cavity temperature in monitoring light source 13, when temperature is more than 60 DEG C, to pass warning signal to microcomputer control circuit 2, microcomputer control circuit 2 is cut off the electricity supply simultaneously; External spectrum sensor X-Ritei1Pro2, is shown in Fig. 5, with conputer controlled software by USB line connecting communication, is placed in inspection box 17, the spectral power distribution of measurement light source, and measurement data is passed to conputer controlled software.
Solar simulated D50:D50 standard sources is known as standard color temperature by world's press.Adopt the VERIVIDE COLOR ASSESMENT CABINET reproduction standard daylight D50 in embodiment, the spectral power distribution of its reproduction is shown in Fig. 6, its light Q factor is shown in Fig. 8, actual measurement colour temperature is 5015K, color rendering index CIERa is 99.5, metameric index is AB level, and meet the lighting demand that tinctorial pattern is observed completely, the quality control for press provides more excellent standard.
Solar simulated D65: the lighting source of tinctorial pattern color observation is generally standard daylight D65 at present, the spectral power distribution of the reproduction of the VERIVIDE COLOR ASSESMENT CABINET in embodiment standard daylight D65 is adopted to see Fig. 7, its light Q factor is shown in Fig. 8, actual measurement colour temperature is 6486K, color rendering index CIERa is 99.5, metameric index is AC level, meets the lighting demand that tinctorial pattern is observed completely.
In like manner, the VERIVIDE COLOR ASSESMENT CABINET in embodiment also high-quality can reappear other multiple standards light sources or the distribution of black body radiation track spectral radiant power.
Above embodiments of the invention are illustrated, but the present invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modification or replacement under the prerequisite without prejudice to the invention spirit, and these equivalent modification or replacement are all included in the application's claim limited range.

Claims (10)

1. based on the VERIVIDE COLOR ASSESMENT CABINET of multi-channel LED, it is characterized in that: comprise casing, user's control end, microcomputer control circuit, drive circuit, LED module, optical system, heat radiation module, power supply and transducer; The object of mating arbitrary spectral power distribution is reached by regulating the brightness of the LED of each outgoing peak wavelength in LED module and carrying out mixed light.
2. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, it is characterized in that its standard daylight D50 and D65 simulated, its color rendering index CIERa reaches 99, and metameric index MI reaches AB and AC grade respectively, and the aim colour temperature difference is different is no more than ± 75K.
3. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described casing comprises light source and inspection box two parts, and the spraying of inspection box internal color is neutral ash, provides the illumination observation environment of a standard.
4. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described user's control end comprises one or more combination control modes in conputer controlled software, mobile phone application software, controller and physical button, by wireless or wired mode and microcomputer control circuit communication.
5. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described microcomputer control circuit inside comprises the single-chip microcomputer and memory cell with certain process operational capability, can receive the order of user's control end and sensor transmissions and to come signal carry out resolving and processing; Be responsible for and user's control end and drive circuit communication simultaneously.
6. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described drive circuit receives the order of microcomputer control circuit, is regulated the brightness of often kind of LED in LED module by the combination of amplitude modulation(PAM) (AM), pulse width modulation (PWM) or two kinds of modulation systems.
7. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described LED module is the LED combination of multiple different outgoing peak wavelength, and packing forms comprises single lamp pearl or COB.
8. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described optical system is the combination of diffuser plate or optical lens or diffuser plate and optical lens, and optical system is placed in light source front, makes mixed light more even.
9. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described heat radiation module be active heat removal pattern or passive radiating mode or initiatively with the combination of passive radiating mode.
10. the VERIVIDE COLOR ASSESMENT CABINET based on multi-channel LED according to claim 1, described transducer is the one or more combination in temperature, luminosity, colourity, spectrum sensor, transducer is connected with microcomputer control circuit or user's control end, the parameter that Real-Time Monitoring is corresponding, and feed back to microcomputer control circuit or user's control end.
CN201610029825.5A 2016-01-15 2016-01-15 Multi-channel LED (light-emitting diode)-based verivide color assessment cabinet Pending CN105517246A (en)

Priority Applications (2)

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CN201610029825.5A CN105517246A (en) 2016-01-15 2016-01-15 Multi-channel LED (light-emitting diode)-based verivide color assessment cabinet
PCT/CN2016/081157 WO2017121051A1 (en) 2016-01-15 2016-05-05 Multi-channel led-based colour matching light box

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CN106211450A (en) * 2016-07-26 2016-12-07 四川蓝景光电技术有限责任公司 A kind of LED mark light source intelligent control system and long-range control method thereof
WO2017121051A1 (en) * 2016-01-15 2017-07-20 常州千明智能照明科技有限公司 Multi-channel led-based colour matching light box
CN108366474A (en) * 2018-04-12 2018-08-03 宜春市同茂印务有限公司 A kind of dynamic Light source correction device of ancient books calligraphy and painting scanning
CN109387281A (en) * 2018-12-24 2019-02-26 上海昊瞻智能科技有限公司 The luminosity with Real-time Feedback monitors system in luminous environment simulation
CN109708752A (en) * 2018-12-24 2019-05-03 上海昊瞻智能科技有限公司 A kind of method of feedback compensation in skylight environmental simulation
WO2020156130A1 (en) * 2019-02-01 2020-08-06 靳鹏 Method for simulating cie standard illuminant using multi-channel leds and illumination system
CN113961026A (en) * 2020-10-27 2022-01-21 深圳职业技术学院 Environmental illumination simulation system based on multi-primary-color spectrum superposition process
WO2022062793A1 (en) * 2020-09-25 2022-03-31 常州千明智能照明科技有限公司 Full-appearance color matching method and color matching device
CN115111542A (en) * 2022-06-20 2022-09-27 复旦大学 Color observation device
CN117387756A (en) * 2023-09-06 2024-01-12 温州佳易仪器有限公司 LED standard light source color matching observation box

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CN116847499B (en) * 2023-07-31 2024-05-17 珠海广浩捷科技股份有限公司 L-shaped multichannel LED light source

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Publication number Priority date Publication date Assignee Title
WO2017121051A1 (en) * 2016-01-15 2017-07-20 常州千明智能照明科技有限公司 Multi-channel led-based colour matching light box
CN106211450A (en) * 2016-07-26 2016-12-07 四川蓝景光电技术有限责任公司 A kind of LED mark light source intelligent control system and long-range control method thereof
CN108366474A (en) * 2018-04-12 2018-08-03 宜春市同茂印务有限公司 A kind of dynamic Light source correction device of ancient books calligraphy and painting scanning
CN109387281A (en) * 2018-12-24 2019-02-26 上海昊瞻智能科技有限公司 The luminosity with Real-time Feedback monitors system in luminous environment simulation
CN109708752A (en) * 2018-12-24 2019-05-03 上海昊瞻智能科技有限公司 A kind of method of feedback compensation in skylight environmental simulation
WO2020156130A1 (en) * 2019-02-01 2020-08-06 靳鹏 Method for simulating cie standard illuminant using multi-channel leds and illumination system
WO2022062793A1 (en) * 2020-09-25 2022-03-31 常州千明智能照明科技有限公司 Full-appearance color matching method and color matching device
CN113961026A (en) * 2020-10-27 2022-01-21 深圳职业技术学院 Environmental illumination simulation system based on multi-primary-color spectrum superposition process
CN115111542A (en) * 2022-06-20 2022-09-27 复旦大学 Color observation device
CN117387756A (en) * 2023-09-06 2024-01-12 温州佳易仪器有限公司 LED standard light source color matching observation box

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Application publication date: 20160420