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Do you need to go out to work frequently? Or want to travel? The battery can be connected with an inverter to make your outings stress-free. As a DC-to-AC converter used in mobile, the car inverter power supply will bring a lot of convenience to your life. If you still worry about choosing car inverter, don't miss out on AliExpress.
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Car inverter (power converter, Power Inverter) is a kind of convenient vehicle power converter that can convert DC12V direct current into AC220V alternating current which is the same as mains power for general electrical appliances. Vehicle power inverters are generally welcomed in foreign markets. Due to the high popularity of automobiles, you can use the inverter to connect the battery to drive electrical appliances and various tools when you go out to work or travel. As a DC-to-AC converter used in mobile, the vehicle inverter power supply will bring a lot of convenience to your life. It is a standing vehicle electronic equipment.
The output power of the largest and most common vehicle-mounted inverters on the market is 70W-150W. The inverter circuits mainly use TL494 or KA7500 chip-based pulse width modulation circuits. The whole circuit of the vehicle inverter can be roughly divided into two parts, each part uses a TL494 or KA7500 chip to form a control circuit. The function of the first part of the circuit is to convert the 12V direct current provided by the car battery, etc. into an alternating current of about 30kHz-50kHz and 220V through high-frequency PWM (pulse width modulation) switching power supply technology. The role of the second part of the circuit is to use bridge rectification, filtering, pulse width modulation and switching power output and other technologies to convert 30kHz ~ 50kHz, about 220V AC into 50Hz, 220V AC.
The main indicators of the common styles of car inverter products on the market.
Input voltage: DC 10V ~ 14.5V; Output voltage: AC 200V～220V±10%; Output frequency: 50Hz±5%; Output power: 70W ~ 150W; conversion efficiency: greater than 85%; inverter operating frequency: 30kHz ~ 50kHz.
Use precautions. Use the car inverter strictly in accordance with the user manual; secondly, the output voltage of the inverter is 220V AC, and this 220V is in a small space and in a movable state, so be careful. It should be kept in a safe place (especially away from children!) to prevent electric shock. When not in use, it is best to cut off its input power. Third, do not place the inverter in direct sunlight or near the outlet of the heater. The working environment temperature of the inverter should not exceed 40 degrees Celsius. Fourth, the inverter will heat up when working, so do not place objects near or on it. Fifth, the inverter is afraid of water, do not let it rain or sprinkle with water.