However, if the manufacturers of the new generation of LED bulbs can do so, the classic fluorescent lamps will soon disappear, just like the sound tube and the telegraph machine in the engine room.
Eric Hilliard, the president of the energy focus company specializing in LED technology, said: "The Navy has demand, not only to save more energy, but also to understand LED lights. They have been using very outdated Technology - T12 lighting ballast technology. They also have maintenance needs."
The T12 fluorescent lamp is the most common model and is 1.5 inches in diameter. A ballast is a device that limits current in a fixed lighting device.
The energy focus company found business opportunities. Hilliard said: "From a company perspective, this is a good opportunity for a small business. When the market is controlled by a large company, it is difficult to compete on a large scale. This is a niche market."
Considering maritime safety, new LED products must be simple and durable. Hilliard explained: "The idea at the time was to take out the existing bulb and put it into the LED bulb. The ballast and starter of the illuminator would identify whether it was a fluorescent bulb or an LED bulb. We must follow exactly There are already specifications. There was no such thing at the time. So we have to create this kind of light bulb and make the Navy believe in its safety."
Energy Focus began working with the Defense Advanced Research Projects Agency and the Naval Ocean Systems Command to develop LED lighting fixtures and light bulbs that meet the requirements of naval vessels. The company designs and manufactures four basic products: two-foot LED luminaires, light bulbs of varying sizes in busy areas such as cargo holds, ammunition depots and freight elevators, explosion-proof bulbs for munitions and gas turbines, and A bedside lamp with a USB interface and the like.
The report said that the market demand is considerable. Single, double and triple tube lighting for a typical "Arleigh Burke" class destroyer requires 281 bedside lights, 201 large bulbs and 50 small bulbs, 19 explosion-proof bulbs and at least 3682 two feet light bulb. The larger the ship, the more light bulbs are needed. For example, a cruiser requires about 6,000 two-foot fixtures.
Of course, there are problems with installing the bulb, such as the need to reinstall the fixture that holds the bulb and the bracket, but the company has created a "smart tube" two-foot bulb that can be placed into an existing lighting fixture.
The report said that the price still needs to be discussed. The price of a T12 bulb in the Defense Logistics Agency procurement system is about $4. Each two-foot LED luminaire sold by the Energy Focus Company to the Defense Logistics Agency is priced at $145, plus a $13 shipping fee, which costs $158 per luminaire.
However, the US Navy expects that for a destroyer with a service life of at least 35 years, the cost of installing LED lighting will be recovered within 10 years. The Naval Marine Systems Command wrote in a statement: "It is expected to bring additional benefits in reducing maintenance and replacement costs."
The Naval Marine Systems Command wrote: "Reducing energy consumption and reducing maintenance and replacement costs are the main drivers for installing LED lighting. LED lighting has a lifespan that is about 5 to 10 times longer than fluorescent and incandescent lamps, and saves 50%. To 80% of energy."
Dave Bina, business development manager of Energy Focus, said that since the first batch of devices was approved in September 2010, nearly 200 ships have installed some types of LED lighting devices and bulbs produced by Energy Focus. He said: "We estimate that the life of LED bulbs on each ship is 10 years. The frequency of replacement may be several decades."
The report said that the Naval Ocean Systems Command seemed to be very satisfied. The command stated in the statement: "The LED lights installed on the destroyers 'Preble' and 'Chaffee' are fully compliant, including shock and vibration performance. They have been installed on these ships since 2011. The LED lighting has good performance and meets all requirements."
The first new ship designated to be fully equipped with LED lighting was the "Paul Ignatius" destroyer being built at the Ingos Shipyard in Pascagoula, Miss. The Naval Ocean Systems Command writes that all future "Arleigh Burke" class destroyers will be equipped with LED lights.
Captain Stephen Captain, the captain of the "Prebe" destroyer at Pearl Harbor, said that improving LED lighting is not always easy. However, he wrote in an e-mail on August 25, "They are much brighter than fluorescent lights. LED lights have a longer life, which helps save money, but more importantly, it reduces The time it takes to manually replace a full ship lighting fixture."
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