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Lamp powering technology

A circuit and power technology, applied in the direction of load supply circuit, energy-saving control technology, lamp circuit layout, etc., can solve problems such as unsustainable lighting

Active Publication Date: 2014-10-22
LIGHTING TAIWAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, existing commercial solar street lights cannot sustain lighting for three consecutive rainy days under certain very normal and common conditions

Method used

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  • Lamp powering technology
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Embodiment Construction

[0012] The principles described herein relate to a technique for powering a lamp potentially comprising a passive network of diodes and resistors. The lamp design further includes a system control unit (such as a control box) that allows increased lighting over a longer string of continuous rainy days compared to commercial lamps, even for the same given solar panels and batteries Persistence.

[0013] The lamp can be operated across the entire range of available stored energy in the battery. As the stored energy of the battery is reduced, the power consumption of the system is also reduced and the power efficiency of the system is increased while still keeping the lighting above the desired brightness. In other words, the novel system can continuously (or gradually) improve power efficiency as the energy stored in the battery is depleted.

[0014] The solar lights use the solar panels to recharge the batteries during sunny conditions (hereinafter referred to as "sunny days"...

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Abstract

A device is designed for channeling electricity to a lamp, and adjusts downwards the amount of power channeled to the lamp as a function of available electrical energy in the source. In so doing, a reduction in the available energy in the source causes a less proportionate reduction in luminosity of the lamp. This might be accomplished by passing the electricity through a passive network of resistors and diodes on its way down to the lamp. In one example, the electrical energy source may be a battery that is powered by one or more solar panels. In that case, the device may also perform the function of protecting the battery from being overly charged. It channels downwards a greater daily lamp's energy consumption than that of daily electrical charging from the solar panels, when the available battery energy is near its full capacity.

Description

Background technique [0001] Solar street lights are used in business. Solar street lights receive solar energy from the sun in the form of light. Photons are converted into electricity by solar panels. The battery system stores electrical energy which can be used in dark conditions such as night or cloudy hours to power street lights. [0002] Conventional commercial solar street lights are designed to be able to provide illumination during three consecutive rainy days. However, existing commercial solar street lights cannot sustain lighting for three consecutive rainy days under certain very normal and common conditions. Therefore, the streets arranged with such solar street lights are often dark. [0003] The inventors conducted research to uncover the source of the key problem leading to this problem, and then, as disclosed in the present disclosure, invented a system design to overcome this problem. Contents of the invention [0004] At least one embodiment describe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F21S9/03H05B44/00
CPCH05B33/0845H05B37/00Y02B20/341H05B45/10Y02B20/30H05B47/10H05B47/28H02J7/0063H02J7/007182H02J7/35Y02B20/72
Inventor 杰弗瑞·文-太·舒李昌宏赖新晨
Owner LIGHTING TAIWAN
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