The motor that drives the disc in the optical drive is AC or DC

The optical drive is a brushless DC motor, the principle is similar to the three-phase asynchronous motor, but it is much more accurate, it relies on the original components of the hall to detect the current position of the motor, and at the same time gives the driving signal, you can use a single-chip microcomputer to accurately control its speed, if it is simple, you can use a pulse generator to send a pulse, and the amplifier can be assigned to 3 phases to control the rear stage can be driven by a 9013 transistor I don't understand what I'm asking, there are a lot of things involved

The disc motor is a DC servo motor. It is driven by a speed servo circuit, and the speed signal sampled from the disc is input into the servo circuit, and the motor is driven to rotate after amplification, so that the motor speed can be controlled to a certain extent. After dismantling, the disc sampling signal is lost, and its rotation speed cannot be controlled.

I don't talk much, the motor in the optical drive is DC. As for the rotational speed, that's the resistance to the job.

It's as simple as DC switching the resistor.

The one you said should be the optical drive of the notebook, as long as it is gently rotated by hand without hindrance, most of them should be no problem, the motor is generally a DC motor, the new one on the market is more than 20 yuan, it is a high-speed motor, it is recommended to disassemble the old one, more practical, in addition, who still uses the optical drive to install the system, or I will pass it to you to the software, click under the windows window will automatically install the system, until you enter the desktop of the new system. As long as there is a ghost in the computer, it will do.

It's not that the motor is broken. If the motor is broken, the motor will not ring. There are two situations when the optical drive cannot read the disc

One is that there is a problem with the disc. Second, the sensitivity of the laser head is not high, and the data cannot be read. If the sensitivity of the laser head is not high, it is enough to wipe it carefully, gently and slowly with the sponge tip of the cigarette tail.

There are no brushless motors, all of them are DC motors, which are generally driven to 3V normally.

The actual optical drive uses DC 5V and 12V power supplies.

Sweat! LS is hilarious!

The kind of motor used in the optical drive belongs to the brushless motor! There are several leads (three or more) that require a drive circuit to make the motor work! It cannot be supplied directly to direct DC or AC power!

12V is more, and 5V is also available, which should be determined according to the driver chip used.

The servo motor with the disc needs to have a servo control system to control the speed and so on.

It is the stepper motor that drives the light and destroys the head, and only needs to move the corresponding lead distance forward each time.

Hello, the disc is a servo motor, which needs to have a certain servo control system to control the speed and so on.

The bald head is driven by a stepper motor, which only needs to move the corresponding distance forward each time.

I'm dizzy, your light is old and you should be lifting, it's been a long time since you laughed at the spine. There is too much dust in the optical drive, and it is estimated that it will not be used much. It is recommended that you clean up the dust, add butter to the gears, and it can still hold on.

It's normal to rustle my new drive still has to ring It doesn't affect it It won't ring when I use it, just clean up the dust.

Toy 4x4 bai inside the horse du

Dadu DC motor, if it is a small DAO four-wheel drive car dedicated to playing, it is powered by 2 inner No. 5 batteries.

Maronda is composed of a metal shell, a high-temperature resistant base, a silicon steel sheet rotor, enameled wire, a commutator, a brush, a magnetic pole stator, and a DC power supply.

How it works: It uses electromagnetic induction. The enameled wire is wound on the rotor according to the fixed winding, and the motor commutator has 3 poles, when the current passes through the 2 poles, the rotor conductor cuts the rotating magnetic field and generates an induced electric potential, under the action of the electric potential, the rotor conductor flows through the current, and the rotor current interacts with the rotating magnetic field and rotates.

The motors in the toy four-wheel drive car are all DC motors, and if it is a small four-wheel drive car for play, it uses two No. 5 motors.

Dedicated pool power supply. All genera.

Department stores have batteries for sale, if it is a larger four-wheel drive car that can sit on children, the motor is also a DC motor, its battery (battery) is larger, powered by a 12V (some 24V), its power consumption is about the same, it is charged by AC to provide a regulated voltage to the battery. Large DC motor motors are not easy to buy on the market, so you can buy them from the manufacturer of the car.

If you don't have a warranty, find a company, and change it if you get out of the warranty.