LED Bulbs - Hackaday

提供: TPP問題まとめ
2025年9月16日 (火) 16:50時点におけるRoryKushner68 (トーク | 投稿記録)による版 (ページの作成:「<br>This teardown of a recent dollar retailer example reveals that price-cutting has managed to shave even more off what was already wanting like a market saturated with…」)
(差分) ← 古い版 | 最新版 (差分) | 新しい版 → (差分)
ナビゲーションに移動 検索に移動


This teardown of a recent dollar retailer example reveals that price-cutting has managed to shave even more off what was already wanting like a market saturated with bottom-dollar design. The electrical elements inside this glowing model of price-cutting consists of 1 PCB (beforehand-seen dollar retailer LED bulb examples had two), eleven LEDs, one bridge rectifier, two resistors, and a controller IC. A wirewound resistor apparently also serves as a fuse, simply in case. IC to see what lurks inside, and the result is proven here. A hundred Volts DC that the bridge rectifier and large electrolytic cap present to it, and it’s both low cost and clever in its personal method. The top half is a giant transistor for chopping the voltage and the underside half is the simple control logic; operation is fast sufficient that no flicker is perceived in the LEDs, and EcoLight solar bulbs no output smoothing cap is required. The consequence, after all, is fewer parts and decrease value. A few of you may recall that again within the early days of LED lighting, EcoLight solar bulbs that would last 100,000 hours have been a hot promise. That didn’t occur for a wide range of causes and the march in the direction of being an everyday consumable the place value was paramount continued. They work, they’re low-cost, and just about everything else has been efficiently pried up and tossed out the door.



And if somebody did manage to construct such a automobile, actually it wouldn't be fast, nimble or crashworthy. However even should you gave such automotive fantasies the good thing about the doubt, EcoLight there was just no means a vehicle that managed to accomplish all that may be roomy. Consolation would have to be sacrificed on the altar of motoring efficiency. Or so it once seemed. In all fairness, given the technology out there until lately, those arguments made sense. However efforts to rethink and re-engineer the automobile in the past couple a long time are reworking previously implausible ideas into possible ones. Amory Lovins, founder and chief scientist of the Rocky Mountain Institute (RMI), coined the name "Hypercar" to explain his idea for a spacious, SUV-like vehicle that delivered astonishing gasoline economic system with out making any of the compromises people sometimes attach to "economic system" vehicles. RMI's Hypercar vision first entered the general public enviornment within the nineteen nineties. A firm, Hypercar Inc., spun off from the RMI research (today Hypercar Inc. known as FiberForge) to run with the concept.



Within the years that adopted, the "hypercar" definition expanded to imply any extraordinarily efficient motorized ground automobile. The principle, but somewhat loose, parameter is that the automobile have the ability to travel one hundred miles (160.9 kilometers) or more on the vitality equal of a gallon (3.Eight liters) of gasoline. For the electric vitality wonks, that's the same as 100 miles (160.9 kilometers) for every 33.7 kilowatt hours of power. To put that in perspective, we're speaking about the quantity of energy it could take to maintain a 100-watt mild bulb lit 10 hours a day (1-kilowatt, or kWh), for a month. So what's not to like about hypercars? We're arduous-pressed to think of many causes, aside from they've been such a very long time in coming for regular of us. By 2012, it was still almost not possible for a mean-earnings particular person to stroll into an automotive showroom and drive out with the keys and registration to a avenue-authorized hypercar. Sure, GM's Chevy Volt carries an efficiency score of slightly below 100 MPGe, but at $40,000 a duplicate, one may argue it's still out of reach for most would-be automotive patrons.



In this text we'll discover a few of essentially the most spectacular qualities of the hypercar. As soon as you've got read the article, weigh in with your thoughts -- is hypercar efficiency worth pursuing? We have obtained nothing against the filling stations that provide us with gasoline, diesel, biofuels and so forth. Nor towards the numerous wonderful of us employed by these stations. But let's face it, interrupting our daily routine to get gasoline is form of a hassle. And relying on the automobile, it could possibly get actually expensive. Proudly owning a plug-in electric car that ran solely on batteries would imply that all you'd need is a energy outlet. Everyone has one of those at dwelling. The less a automobile weighs, the less power it requires to maneuver a given distance. The less vitality it has to put out, energy-efficient bulbs the smaller (and lighter) its different components will be. So, whereas that large brake kit may look cool sitting beneath a set of 20-inch wheels on a tricked out regular car, on a hypercar you would not need the oversized stoppers.