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System for operating electronic light arrangements

An electronic lamp and electronic technology, applied in electric light sources, lighting devices, electrical components, etc., can solve the problems of expensive technology and complexity of components

Active Publication Date: 2021-11-16
HELLA KG HUECK & CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, such components are often expensive and technically complex
Also, if different groups of LEDs are used in the lamp arrangement, each group requiring a different current supply, then it becomes more complicated

Method used

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  • System for operating electronic light arrangements
  • System for operating electronic light arrangements
  • System for operating electronic light arrangements

Examples

Experimental program
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Embodiment Construction

[0030] exist figure 1In , further components for operating the light arrangement 2 are shown. In particular, this may be a known system or at least a component similar to a known system. The figure shows a main DCDC constant voltage stage 8 for providing a constant supply voltage PV. The main DC DC constant voltage stage 8 is operated by the input voltage VCC. exist figure 1 , the potential designations "VCC" and "PV" are used together with the corresponding ground potentials "GND DCDC" and "GND LED". (Additional ground potentials are "GND NTC" and "GND"). A constant supply voltage ("PV" / "GND LED") is used for the main DC DC controller 9 and for the two buck controllers 20a, 20b.

[0031] exist figure 2 In , it is shown that the inventive system 1 can reduce the number of electrical components and in particular does not necessarily require the use of an expensive and complex main DC DC constant voltage stage 8 . The buck-boost device 10 is powered by an input voltage (...

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PUM

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Abstract

The invention relates to a system (1) for operating an electronic lamp arrangement (2), comprising: - a lamp arrangement with a primary group (2a) and at least one secondary group (2b) of lighting devices (30) (2); - an electronic step-down-boost device (10), electrically connected to the primary set (2a), for supplying a first constant current to a corresponding light emitting device (30) of the primary set (2a); - at least one electronic A voltage reducing device (20), electrically connected to said at least one secondary group (2b), for supplying a second constant current to a corresponding light emitting device (30) of the secondary group (2b).

Description

technical field [0001] The invention relates to a system for operating an electronic lamp arrangement. Background technique [0002] It is known to provide systems for operating electronic light arrangements, for example using LED (Light Emitting Diode) driver circuits or the like. In this regard, it is important to ensure that the voltage of the driver circuit is constant so as to provide a stable operation of the lamp arrangement. To achieve this, it is known to use a constant voltage regulator connected to another electronic device, which acts as a constant current driver for the lamp arrangement. [0003] However, such components are often expensive and technically complex. Furthermore, if different groups of LEDs are used in the lamp arrangement, each group requiring a different current supply, it becomes further complicated. Contents of the invention [0004] It is an object of the present invention to at least partially overcome the above mentioned problems in sy...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B45/375H05B44/00
CPCH05B45/375H05B45/3725
Inventor M·费尔登
Owner HELLA KG HUECK & CO