Now I want to make a wind turbine model in order to charge a cell phone (i.e. to obtain a 5V1A DC re

Introduction Now I want to make a wind turbine model in order to charge a cell phone (i.e. to obtain a 5V1A DC regulated power supply). What should be ? Please give me some advice if the power source is AC

Now I want to make a wind turbine model in order to charge a cell phone (i.e. to obtain a 5V1A DC re

If AC power is generated, it must be rectified to DC power and then stabilized with a constant voltage.

I think it is better not to charge cell phones with wind turbines, because the wind is unstable and charging is intermittent. Additionally, when used as a wind turbine, this motor will not reach 1,900 revolutions per minute. If you estimate the number of revolutions per second, the power can be very low.

I made a wind turbine with an output of 0~10v. I want to charge the 18650. I have plenty of Zener diodes on hand. I want to find the simplest circuit.

< p>First, you need a generator. If you are making a micro wind turbine, the four-wheel drive motor can be used instead. Then you can place the wings you made on the front rotor head of the motor to guide the motor. wind. When the wind blows When the motor rotor rotates, both endsEmitted from the wire at the back of the motor can produce electricity. This is the power generation principle of wind turbine, but it can only produce electricity and is not practical.

Secondly, if you need a really practical micro wind turbine, you need to do the following steps and prepare some materials, such as diode and voltage regulator (voltage stabilizing circuit board) , a battery. , etc.

When preparing these materials, you can first connect one end of the generator motor wire to a diode to prevent the generated power from flowing back to the motor, then connect it to the voltage regulator (a reminder here) The voltage stabilizing power of the voltage stabilizer should be determined in advance, and it must meet the parameter requirements of the voltage generated by the motor to prevent the voltage stabilizing circuit board from burning) beforeconnect the battery to the voltage stabilizer (the battery voltage should also be stable. (within the rated parameters of the voltage regulator) and you are done. When the wind turns your engine, the electricity generated will be processed by the circuit voltage stabilization and stored in the battery~

Lithium battery charging requirements comparison Strictly speaking, you can't just find a circuit and charge it randomly, otherwise it will easily damage the battery or would seriously reduce its lifespan

Small wind turbines have unstable power output due to unstable wind speed. Therefore, we cannot hope to use a simple circuit consisting of several regulator tubes. voltage for charging lithium batteries

Since the output voltage of the wind turbine is unstable and fluctuates frequently within a certain range, it is necessary to use a voltage module.professional switching power supply to convert it into a stable voltage output, and then consider connecting a special charging circuit later.

Of course, you have to be willing to invest in this. Fortunately, the price of switching power supply module is now very cheap, and you can buy it online for more than ten yuan.

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