There is a kind of lamp that lights up when there is a power outage in public places. That is emergency lamp. It can accordingly switch power supply when there is a power failure. It provides emergency lighting for people. It is our life-saving lamp when necessary. It shows us the right and safe path. Do you know what types of emergency lighting products are available?
The emergency light is powered by an emergency power source. It is a lamp used for emergency lighting in necessary places. In emergencies, emergency lights can provide lighting. It can guide people into safe areas and ensure the safety of people.
There are many types of emergency lighting. Portable emergency lamps. Fire emergency lamps. Energy-saving emergency lamps. Supply emergency lamps. Underwater emergency lamps. Rechargeable emergency lamps. Solar emergency lamps. Multifunctional emergency lamps, etc. They play different important roles in our lives. It is a necessary tool for modern security.
Emergency lamp has the following components. Light source. Light source driver. Rectifier. Inverter. Battery pack. And sign lamp housing. The utility power suddenly stops in an emergency. Then the inverter will accordingly start the inverter circuit. It converts the low-voltage electric energy of the battery pack into high-voltage electric energy. It drives the light source to continue lighting.
Common fire emergency lamp is suitable for the following places. Theaters. Shopping malls. Hotels. Banks. Hospitals. Apartments. Civil air defense projects. Underground facilities. And other places that require continuous lighting.
The type of emergency lamp can be based on working status and function. There are three categories according to working status. ① Continuous emergency lamps. It can continue to provide lighting. Despite whether the normal lighting power supply fails. ② Non-continuous emergency lamps. Only when the normal lighting power supply fails it provides lighting. ③ Composite emergency lamps. There are more than two light sources installed in the emergency lamps. At least one can provide lighting when the normal lighting power fails.
According to the function, there are two categories. ① Lighting lamps. When an accident occurs, it can provide necessary lighting. To walkways, exit passages, stairs and potentially dangerous areas. ② Signature lamps. It can clearly indicate the direction of exit and passage. There are text and icons on the lamp. The sign surface brightness is 7～10cd/m2. The stroke thickness of the text is at least 19 mm. The height is at least 150 mm. The observation distance is 30 m. The translucent text has a greater contrast with the background.
The battery selection should meet the following regulations. When using incandescent lamps, the discharge time is not less than 20 minutes. When using fluorescent lamps, the discharge time is no less than 30 minutes. Install emergency lamps that cannot be too large. Should use nickel-cadmium batteries or lead-acid batteries. Large-capacity open-type batteries can be used with longer discharge times. Electrical components include the following things. DC and AC converters. Switching switches for detecting circuit performance. Ballast components, etc.
Other common types are as follows. Portable emergency lamps. Energy-saving emergency lamps. Underwater emergency lamps. And multifunctional emergency lamps. Different emergency lights have different ways of using and working.
There are many types of emergency lights. Some have evolved from emergency lighting to decorative aesthetics. The above is the introduction of emergency lights.
