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The pure inverter for car cigarette lighter manufacturer takes you to understand the function and working principle of the car inverter
- Categories:pure inverter for car cigarette lighter
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- Time of issue:2023-03-02
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(Summary description)The manufacturer of pure inverter for car cigarette lighter tells you that a general car inverter is mainly composed of an inverter bridge, a filter circuit, a control circuit, an oscillator, etc., and its working principle is to first pass the high-frequency PWM (pulse width modulation) switching power supply technology, Convert the 12V DC provided by the car battery into 30kHz-50kHz, 220V AC.
The pure inverter for car cigarette lighter manufacturer takes you to understand the function and working principle of the car inverter
(Summary description)The manufacturer of pure inverter for car cigarette lighter tells you that a general car inverter is mainly composed of an inverter bridge, a filter circuit, a control circuit, an oscillator, etc., and its working principle is to first pass the high-frequency PWM (pulse width modulation) switching power supply technology, Convert the 12V DC provided by the car battery into 30kHz-50kHz, 220V AC.
- Categories:pure inverter for car cigarette lighter
- Author:
- Origin:
- Time of issue:2023-03-02
- Views:0
The manufacturer of pure inverter for car cigarette lighter tells you that a general car inverter is mainly composed of an inverter bridge, a filter circuit, a control circuit, an oscillator, etc., and its working principle is to first pass the high-frequency PWM (pulse width modulation) switching power supply technology, Convert the 12V DC provided by the car battery into 30kHz-50kHz, 220V AC. Then use technologies such as bridge rectification, filtering, pulse width modulation and switching power output to convert the 30kHz-50kHz, 220V alternating current into 50Hz, 220V alternating current.
The pure inverter for car cigarette lighter manufacturer tells you that the simplest car inverter may only have a two-pin interface and a cigarette lighter power input interface in appearance, but its internal structure is also very complicated. There are MOS field effect tubes in the internal circuit of the vehicle inverter. The device will generate a certain amount of heat during operation, so a heat sink will be installed, and the inverter with higher power will also be equipped with a small cooling fan.
1. Power selection
Looking at the dazzling array of inverters, how should we choose them? First of all, we need to know which electrical equipment we need to use in the car, and then choose the specifications of the inverter according to their power. In addition, we must also consider the fusing current of the car cigarette lighter fuse.
If the power of the electrical appliances to be used exceeds 180W, you can also use the battery connection cable to directly connect the high-power inverter to the battery, but this method is only for emergency, and it is not suitable for long-term use, otherwise it will cause damage to the battery itself. The manufacturer of pure inverter for car cigarette lighter tells you that the output power of the car inverter must be greater than the power used by the electrical appliances, and there must be enough margin for some electrical appliances with large starting power, otherwise it is likely to fail to start.
2. Output interface
After the specifications are selected, let's look at the output interface of the inverter itself. At present, many electrical appliances use three-pin plugs, which requires a three-hole interface on the inverter. In addition, the USB interface is also useful, so it is best to choose an inverter with three interfaces.
3. Output waveform
In addition, according to the difference of the output current waveform, the vehicle inverter is divided into a pure sine wave inverter and a modified sine wave inverter. Among them, the pure sine wave inverter has a stable power supply and can basically drive common electrical appliances well. The modified sine wave is actually closer to a square wave, and the quality of the output current is poor, which will cause certain damage to some electrical equipment.
Although the price difference between the two inverters is large, we still recommend that you purchase a pure sine wave inverter for long-term use. The pure inverter for car cigarette lighter manufacturer tells you that no matter what type of electrical equipment it is, when using a pure sine wave inverter to power it, it is like connecting to the mains at home, so there is no need to worry about damaging your equipment. electrical appliances.
4. Protection function
The manufacturer of pure inverter for car cigarette lighter tells you that when purchasing a car inverter, you must confirm whether it has functions such as over-voltage shutdown, under-voltage shutdown, over-temperature protection, over-current protection, and short-circuit protection. These functions not only It can provide protection for the inverter itself, and more importantly, it can avoid damage to electrical equipment.
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