Light Bars LED Provide Effective Lighting

Dec 2, 2011 by admin

Light Bars LED Provide Effective Lighting

Providing effective lighting for a police or emergency vehicle has always been a primary need. Before electricity came along, lanterns were hung from hooks, which could swing dangerously as the carriage raced through cobbled streets. The lantern could always break and accidentally set the carriage on fire. Electricity remedied that situation, but then the issue shifted to an onboard power source, wiring for the incandescent lamps and having to replace the lamps every so often. As technology progressed through the 20th century, older designs gave way to more efficient techniques.

The one device that changed police lights forever was the light-emitting diode (LED). LEDs are small, compact, give off little heat, use little electricity and can last much longer than traditional incandescent bulbs. Specifically, LEDs last for 60,000 hours or six years if left on constantly for 24 hours a day. Their cost-effectiveness allows new designs of lights to be made. A popular design is the  light bar LED, which consists of rows of LEDs arranged into the shape of a rectangle. The resulting bar is encased in durable plastic and covered by a see-through plastic lens. Bars like these are extremely lightweight and easy to mount using suction cups or magnetic strips.

Some light bar designs run off of their own lithium batteries. This approach does not use any electricity from the car battery. The light bar can be customized to flash any pattern or series of patterns the police officer or emergency worker desires, since the LEDs are usually controlled by a small computer. Strobe, static flashing or some combination of the two are popular examples. Importantly, some light bars are almost completely flush against the vehicle, reducing air resistance and making them less noticeable. Light bars may be mounted inside the radiator of some vehicles, concealing them from prying eyes.

Small, compact light bars are popular with undercover police officers, off-duty emergency workers who are suddenly thrust into an accident or plainclothes detectives who need to make an arrest. With the flip of a switch, the light bars activate, sending powerful flashes of light beaming around for miles. They are impossible to miss or ignore, making the “Sorry, officer, I just didn’t see you” excuse much less palatable. LED light bars make the jobs of emergency workers, police officers and firefighters much easier. They easily get people’s attention, keeping onlookers and pedestrians safe and out of the way.

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The Economy of LED light bars

Dec 2, 2011 by admin

The Economy of LED light bars

The economy of LED light bars has led to their widespread adoption and use by police departments, emergency agencies and recovery workers. Old-fashioned emergency lights used electricity-heavy incandescent bulbs that were bulky and difficult to mount effectively except on the tops of vehicles like cars or trucks. The bulb was stationary, so the flashing light was created by the action of a rotating half-mirror that spun around the light. The light and half-mirror were inside a colored casing. This design was heavy, adding to the weight of the car. As technologies developed and plastic came along, newer designs became progressively lighter.

The introduction of light-emitting diode (LED) technology revolutionized how lights were designed. LEDs are extremely light, use very little electricity and are easy to arrange or mount. LEDs allowed for the creation of new designs such as light bars, which consisted of rows of LEDs arranged into a rectangular shape. The bars were very light and could be mounted in other places on the car without adding to its weight or making maneuvering difficult. Light bars are very effective at letting people know of the presence of a police or other emergency vehicle. When they activate, the light they produce is impossible to ignore or miss.

The durability of LEDs enables designs to be fabricated that offer no wind resistance at all. This is perfect for undercover vehicles or for cars that need to be unmarked, such as cars belonging to plainclothes detectives. LED lights last much longer than incandescent or fluorescent light bulbs. LEDs lack a filament, generating light from the interaction of solid-state chemical components. This allows them to produce light without burning out as rapidly. LEDs last for 60,000 hours, compared to incandescent bulbs that last for only 1,200 hours. This means LEDs do not have to be replaced nearly as often.

LED lights can be controlled by a computer, which can produce different flash patterns, such as strobe or static. This increases the range of options available to the driver of a car or truck mounted with these lights. LED light bars use less electricity from the car battery, so they last longer as well. The range of options combined with the increased efficiency makes LED lights indispensable for most emergency, fire and police forces. LED light bars have grown explosively in popularity since their introduction and help these workers to do their jobs better.

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The LED Police Light Bar

Dec 2, 2011 by admin

The LED Police Light Bar

Police lights are critically important to the work of law enforcement. When a police car pulls up behind a suspect’s car, he turns his vehicle approximately 15 degrees to the left, putting his car between himself and the suspect. This is known as a “felony takedown” position. Some of the police lights on the top of the vehicle are always positioned 15 degrees to the passenger’s side. When the policeman turns his car, these “takedown” lights, as they are called, shine directly into the suspect’s car. The technology behind police lights has changed, and so have the techniques and methods police officers use to make an arrest.

Older designs consisted of an incandescent bulb mounted to the roof or sides of the vehicle. The bulb was surrounded by a rotating half-mirror. As the half-mirror spun, it broke up the light into flashes, which created the familiar alternating flashes of red and blue light associated with emergency vehicles. This assembly was cumbersome and added to the air resistance of the vehicle. Maintenance and repair were also frequent issues. Light-emitting diodes (LEDs) changed the design of police lights by replacing incandescent bulbs.

LEDs generate light by passing electricity through a semiconductor. Depending on the materials used to make the semiconductor, LEDs can generate any color desired. Red and blue LEDs are used most often in police lights. A popular design is the light bar, made by arranging rows of LEDs into the shape of a rectangle. The light bar is often thin and able to be attached on the roof or sides of the vehicle. Featuring takedown lights on both sides, LED police light bars are a great addition to any police force, helping to save lives and keep officers safe as they enforce the law.

Smaller LED light bars can be mounted almost anywhere on a vehicle. Some LED police lights are mounted inside the radiator grille or on the back of sun visors inside the car. Concealment affords greater opportunities for undercover or plainclothes officers. LED police light bar installations are the next generation of police lights, offering the maximum protection for officers as they do their jobs.

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Light Bar LED Designs

Dec 2, 2011 by admin

Light Bar LED Designs

Police and other emergency lights have undergone transformations thanks to technological improvements over the years. Incandescent light bulbs can only take police cars so far. They give off too much heat, burn out very easily and use a lot of electricity. Even though incandescent bulbs are inexpensive to purchase, they are are expensive in terms of the energy they use. Old school assemblies consisted of stationary bulbs surrounded by rotating half-mirrors encased in colored plastic. The half-mirrors broke up the continuous light into pulses, creating the familiar flashes of red and blue light. This design worked well for decades.

The technological advance that gave birth to the light-emitting diode (LED) finally ended up replacing the incandescent bulb used for emergency vehicles. An LED lasts tens of thousands of hours longer than an incandescent bulb, up to 60,000 in some cases. If an LED bulb was left on for 24 hours a day, it would last six years before finally burning out. Since LED bulbs are rarely, if ever, left on for 24 hours each and every day, this means LED bulbs will actually last much longer than six years. Additionally, they give off little heat and produce the same amount of light with less electricity.

These features of LED bulbs allow new designs to be created such as light bars. These innovative designs are created by arranging LED bulbs into rows in the overall shape of a rectangle. The light bar can be made of solid rows stretching for the length of the bar or be broken up into multiple lights. No matter which is chosen, the bar generates an amazing light, very bright and extending far into the distance. The LED bulbs work like miniature spotlights when their light is focused on a specific point. Light bar LED designs have revolutionized how police lights work.

The cost-effectiveness of LED light bars make them a great investment for police departments. Since the light they generate is so bright, pedestrians and drivers can see them immediately. The light is impossible to ignore or miss. Police officers and other emergency workers can work in conditions of increased safety thanks to these lights which raise awareness of the workers’ presence. LED light bars help emergency workers concentrate on the task at hand which is saving and protecting people’s lives. LEDs have changed police lighting. As they spread into more police forces, additional officers will discover and benefit from their advantages.

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Police Light Bars: Lighting up a Police Car

Dec 2, 2011 by admin

Police Light Bars: Lighting up a Police Car

Lighting up a police car is not as easy as it looks. In the old days, incandescent light bulbs, which give off a lot of heat, were used in combination with rotating half-mirrors. The assembly was inside a red or blue casing. As the half-mirror spun, the light passed through the casing and created the familiar alternating red and blue lights. As technology progressed, lights became more efficient, but the basic design remained the same for decades. The introduction of light-emitting diodes (LEDs) changed the design forever. Much less electricity could be used to produce a greater quantity of light.

LEDs also reduced the weight of the lights. Previously, the old design made them bulky and awkward, creating difficulties when driving in tight spaces. LEDs changed that by allowing lights to be mounted almost anywhere on the car. The light weight and small size of a set of LED police lights created new possibilities for placing lights on law enforcement vehicles. In particular, LEDs made police light bars possible. A light bar is a series of LED lights arranged in rows to form a rectangular bar. If the light bar is mounted on the front of the car, it powerfully illuminates everything in front of it.

Light bars can also be mounted on the top of the police car, which makes them even more difficult to ignore. When one of these devices lights up, everyone notices it immediately, giving the police officer the ability to do his job. The LED itself can be encased with the desired color, eliminating the need for bulky casings on the outside of the light. The LED saves so much electricity that more of them can be ran off the car battery. They also burn out less frequently, making them a wise choice from a financial point of view. LEDs are almost perfect for using them in police light bars.

The bars can even be mounted inside the radiator of a truck or car. This concealment factor makes them very useful to undercover officers or in unmarked vehicles. High-quality LED lights are not very expensive, allowing police departments to obtain them up at reasonable prices. As LED usage spreads, even the small savings from using less battery power and having to replace the lights less often will help cut costs and help police departments become more efficient. LED police light bars are the next generation of police lighting.

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