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Indicator Lights

The indicator light is usually used to reflect the working status of the circuit (powered or unpowered), the working status of the electrical equipment (running, shutting down or testing), and the position status (closed or open). Widely used in automotive instrument panels, electrical and power indicating equipment, industrial instrument panels, traffic lights, household appliances, etc.

Material

Indicator lights are devices that use lights to monitor the working or location status of circuits and electrical equipment. The indicator light is usually used to reflect the working status of the circuit (powered or unpowered), the working status of the electrical equipment (running, shutting down or testing), and the position status (closed or open).

The indicator light using incandescent lamp as the light source is composed of lamp holder, light bulb, lampshade and connecting wires. There are also light-emitting diodes as indicator lights, which are generally installed on the panel, panel, desk, cabinet panel of high and low voltage power distribution devices , Some low-voltage electrical equipment, instrument panels or other more prominent locations. The indicator light reflecting the working status of the equipment, usually with a red light to indicate that it is in operation, a green light to indicate that it is out of service, and a milky white light that indicates that it is in a test state. Off means that the device is out of power; an indicator that reflects the working status of the circuit, usually the red light is on, and the green light is on. In order to avoid misjudgment, the condition of the light bulb or light-emitting diode should be checked frequently or regularly during operation.

Features

The indicator light is usually used to reflect the working status of the circuit (powered or unpowered), the working status of the electrical equipment (running, shutting down or testing), and the position status (closed or open).

Car lights

1.Oil indicator
This indicator is used to display the pressure condition of the engine oil. When the key door is opened, the indicator lights up during the vehicle self-test, and goes out after starting. According to the introduction of Hong Kong City Driving School, the indicator light is always on, indicating that the car’s engine oil pressure is lower than the required standard and it needs to be repaired.

2.Water temperature indicator
The water temperature indicator mainly shows the temperature of the coolant in the engine. It only lights up for a few seconds during the self-test of the vehicle, and is normally off. We usually hear more so-called “opening the engine” of the engine, which means that the coolant temperature exceeds the specified value. At this time, the driving should be suspended immediately for maintenance.

3.Handbrake indicator
The easiest mistake a novice makes is to open the handbrake without letting it go. This indicator is a circle! Or the letter P, usually off. When the handbrake is pulled up, this indicator lights up automatically. At present, only some models have a warning sound when the handbrake is not released.

4.Battery indicator
The battery life of a new car is at least two years, but if it is a used car or a stock car, you need to pay attention to this indicator in advance. This light is also on during the vehicle self-test and goes off after starting. If the light is on after startup, the battery needs to be replaced.

5.ABS indicator
The ABS light does not flash when the engine is turned on or does not go out after starting, indicating that the ABS is malfunctioning.

6, seat belt indicator
The indicator light that shows the status of the seat belt. Depending on the model, the light will light up for a few seconds to prompt, or it will not go out until the seat belt is fastened.

7.Engine working status indicator
It turns on after turning on the electric door, and turns off after about 3-4 seconds, and the engine is normal. If it does not light or stay on, it means that the engine is faulty and needs to be repaired in time.

8.Brake indicator
This car indicator light is used to show the brake disc wear and the status of the brake system. If it is always on, you should check the brake system immediately.

9.Fuel light
Seeing this light on means that the amount of fuel in the fuel tank is low, and it is best to enter the gas station immediately.

10.Airbag indicator
The airbag indicator is an indicator that shows the working status of the airbag. It lights up after turning on the switch and goes off after about 3-4 seconds, indicating that the system is normal. If it is off or constant, it indicates that the system is faulty.

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Application

Indicator lights are commonly used in automotive instrument panels, electrical and power indicating equipment, industrial instrument panels, traffic lights, and home appliance indicators.

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