Ship lighting is a necessary condition for ship navigation, operation and the life of ship management staff. It usually includes lighting to ensure navigation safety and personnel safety, ship’s workplace lighting and living area lighting. It differs from land lighting system, marine led lighting systems can be divided into the following categories:

Main Lighting System

The ship’s main lighting system, also known as the normal lighting system, is distributed in various living and working places inside and outside the ship to provide sufficient illumination in various compartments and working places. Normal lighting is the main lighting of the ship, which is powered by the ship’s main generator, and then directly to each lighting substation box through the lighting bus on the main switchboard, and then to the lighting fixtures in the neighboring compartments or areas by the lighting substation box. Normal lighting includes: 1. main lighting in the cabins, such as most of the overhead lights; 2. local or auxiliary lighting, such as bed lamps, wall lamps, washroom lamps, etc.; 3. strong lighting for loading and unloading; 4. more than half of the indoor and outdoor aisle lighting; 5. sockets that must be provided for each cabin.

Emergency Lighting System

Emergency lighting is put into use when the main power grid fails to work. Emergency lighting from the emergency distribution board through the emergency lighting substation box power supply, the voltage can be the same as normal lighting, can also be used for low-voltage electricity. Ship emergency lighting system is mainly distributed in the cabin of the important places, crew and passenger cabins, boat decks and various personnel channels. This lighting requirements in all other power failure and in a variety of cross-tilt conditions, at least 3h to maintain; emergency lighting should be obvious signs, or in the structure of the selection and general lighting lamps and lanterns are different.

Temporary Emergency Lighting

In the main lighting and emergency lighting system failure, temporary emergency lighting system should be able to function. It is less light points, no illumination requirements, lamps and lanterns coated with red paint mark. Mainly distributed in the bridge, the ship’s important channel, escalator mouth and cabin important premises. Small emergency lighting powered by battery packs, and the main, emergency lighting system with electrical interlocking; temporary emergency lighting system shall not use fluorescent lamps as a light source, and shall not be set on-site switch. It should be able to supply power continuously for more than 30 min.

Navigation Lights and Signaling Light System

Navigation light: It is an independent part of the ship’s lighting system and is an important light signal to ensure the safe navigation of the ship at night. In any case, it must be ensured that it is bright to indicate the ship’s position, status, type, presence or absence of tugboats, etc., so as to prevent misunderstanding by the surrounding or passing ships, resulting in marine accidents. Navigation lights are composed of foremast light, mainmast light, stern light, port and starboard lights and fore and aft anchor lights, which are used for night navigation of the ship and indicating the ship’s status and corresponding position. A special control box or control board for navigation lights is set up on the bridge, which is powered by two circuits: the main distribution board and the emergency distribution board. Navigation light bulbs are generally 60W double filament incandescent lamps. Each lamp is a double set, one of which is for backup and can be switched on the control box.

Signal light: It is the light sign of the ship in all kinds of special circumstances, especially at night navigation, it is one of the indispensable tools for communication and liaison. Signal light control is generally centralized in the driver’s station, requiring two-way power supply. There are many kinds of signal lights. In order to adapt to the special requirements of some countries’ ports and narrow waterways, the signal light settings of ocean-going vessels are more complex. These signals are usually installed on the top of the cockpit dedicated signal mast or radar mast, in accordance with the provisions of a number of (8 to 12) red, green, white and other colors of the ring light is divided into two rows or three rows of installation.

Common Navigational Signal Lights:

Mast light: It is a white signal light mounted on the fore and aft masts in accordance with the international rules of navigation. It is mainly used for displaying the ship’s dynamics and scale and recognizing the scale and dynamics of other ships, and is a visual device for judging the ship’s situation of encounter and approaching encounter.

Gangway light: refers to the red light installed on the port side when the ship sails from the bow to the port side of the 112.5 ° horizontal arc of uninterrupted red light and installed on the starboard side when the ship sails from the bow to the starboard side of the 112.5 ° horizontal arc of uninterrupted green light of the green light of the collective term.

Towing light: Placed above the tail light, with the same 135° horizontal arc as the tail light.

Ring light: It refers to the horizontal arc of 360 degrees in the display of uninterrupted light of the number of lights.

Gauge Indicator Lights: Lights that reflect the operation of the indicated equipment and can be found in many places on the ship.

Lighthouse: It is a large fixed navigational aid, the main structure is generally tower-shaped, the top is equipped with high-intensity light-emitting equipment, and the light range is generally 15-25 nautical miles. Lighthouse for ships to determine the ship’s position, determine the direction of navigation, guide the ship navigation or indicate the danger zone (dangerous sandbars or reefs and the channel to the mouth of the harbor).

Buoys and light buoys: a kind of navigational marking floating on the water surface, which is anchored in a designated position and used to mark the range of fairways, indicate shoals, obstructions or indicate the water surface navigational aids for specialized purposes.

As the saying goes: “People have words, lights have light language,” light language is also a communication tool, night at sea ships are relying on a variety of light changes in communication and communication to ensure the normal and orderly passage of the ship! If you have any request, you can browse BOZHOU’S website to find your desired marine light.