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1. CN110113835 - LED light source control device and method, light source component and photoelectric pulse detection device

Office China
Application Number 201910237960.2
Application Date 27.03.2019
Publication Number 110113835
Publication Date 09.08.2019
Publication Kind A
IPC
H05B 33/08
HELECTRICITY
05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
BELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
33Electroluminescent light sources
08Circuit arrangements for operating electroluminescent light sources
G05D 23/19
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
23Control of temperature
19characterised by the use of electric means
CPC
G05D 23/19
GPHYSICS
05CONTROLLING; REGULATING
DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
23Control of temperature
19characterised by the use of electric means
H05B 33/0803
H05B 33/0845
H05B 33/0848
H05B 33/089
Y02B 20/30
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
20Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Applicants SHENZHEN JPT OPTO-ELECTRONICS CO., LTD.
深圳市杰普特光电股份有限公司
Inventors TANG MING
唐明
CHEN JIANQIANG
陈建强
OUYANG WEI
欧阳威
ZHANG XIAODONG
张小东
Agents 广州华进联合专利商标代理有限公司 44224
广州华进联合专利商标代理有限公司 44224
Title
(EN) LED light source control device and method, light source component and photoelectric pulse detection device
(ZH) LED光源控制装置、方法、光源组件及光电脉搏检测装置
Abstract
(EN)
The invention relates to an LED light source control device and method, a light source assembly and a photoelectric pulse detection device. The LED light source control device is used for controllingan LED light source. The LED light source comprises multiple LED lamps. The LED light source control device comprises multiple constant current drive modules and a control module. Multiple constant current drive modules are electrically connected with multiple LED lamps and used for driving multiple LED lamps. The control module comprises a uniformity processing module and a current control module. The uniformity processing module is electrically connected with the current control module. The current control module is electrically connected with multiple constant current drive modules. The uniformity processing module is used for receiving the uniformity parameters of the LED light source and determining the drive current adjustment scheme for multiple LED lamps according to the uniformityparameters. The current control module is used for adjusting the drive current of multiple LED lamps according to the drive current adjustment scheme. The LED light source control device can improvethe uniformity of the LED light source.

(ZH)
本申请涉及一种LED光源控制装置、方法、光源组件及光电脉搏检测装置。LED光源控制装置用于控制LED光源,LED光源包括多个LED灯。LED光源控制装置包括多个恒流驱动模组和控制模组。多个恒流驱动模组分别与多个LED灯电连接,用于驱动多个LED灯。控制模组包括均匀性处理模块和电流控制模块。均匀性处理模块与电流控制模块电连接,电流控制模块与多个恒流驱动模组分别电连接。均匀性处理模块用于接收LED光源的均匀性参数,并根据均匀性参数确定对多个LED灯的驱动电流调整方案。电流控制模块用于根据驱动电流调整方案调整多个LED灯的驱动电流。本申请的LED光源控制装置能够提高LED光源的均匀性。

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