Basic knowledge of artificial intelligence: analysis and difference of commonly used motors for robots

This article mainly discusses ordinary motors, geared motors, stepping motors, servo motors for servos, which refer to DC motors, which are commonly used by DCs. The knowledge of the motor is very deep. This article is just for beginners to talk about the various motors commonly used in making robots .

A motor, commonly known as a "motor", refers to an electromagnetic device that converts or transmits electrical energy in accordance with the law of electromagnetic induction. The motor is also called (commonly known as a motor) and is represented by the letter "M" (the old standard is "D") in the circuit. Its main function is to generate drive torque. As a power source for electrical appliances or various machines, the generator is represented by the letter "G" in the circuit.

Ordinary motor

The ordinary motor is the motor that we have more time, electric toys, razors, etc. This kind of motor has the characteristics of too fast speed and too small torque. Generally, there are only two pins. When the positive and negative poles of the battery are connected, the two pins will turn up, and then the battery will be connected to the positive and negative poles. The motor on the pin will also reverse.

Ordinary motor on a toy car

Geared motor

The geared motor is an ordinary motor with a speed reducer, which reduces the speed and increases the torque, making the ordinary motor have a wider use of space.

Micro gear reducer

Stepper motor

A stepping motor is an open-loop control element stepping motor that converts an electrical pulse signal into an angular displacement or a linear displacement. In the case of non-overload, the speed and stop position of the motor depend only on the frequency of the pulse signal and the number of pulses, and are not affected by the load change. When the stepper driver receives a pulse signal, it drives the stepper motor. The set direction is rotated by a fixed angle called the "step angle" whose rotation is performed step by step at a fixed angle. The angular displacement can be controlled by controlling the number of pulses to achieve the purpose of accurate positioning. At the same time, the speed and acceleration of the motor rotation can be controlled by controlling the pulse frequency, thereby achieving the purpose of speed regulation.

Stepper motor

Door Lock Motor

Door Lock Motor Characteristics 1. No direction: don't need to distinguish the door direction, left and right sides, both inside and outside the door, can be universal. (convenient purchase locks and reduce inventory).

Door Lock Motor Dc Gear Motor

2. Power: the power consumption is only equivalent to one 5 of the electric control lock, electric lock, 3 A magnetic lock power to open the door, often consumes 0.27 A. And spiritual lock unlock instantaneous current is less than 0.5 A, reduced the entrance guard, talkback host power consumption.

3. No collision: close the door without collision, reduces the choice of door closers requirements (not necessarily with 65 kg of door closers, door closers are free to choose to suit the door), to solve the building door because the door closers clash of the hydrodynamic force is too high, it is not easy to make the door more deformation, prolong the service life of the body.

4. The voice is light: close the door automatically locked, no noise, solves the noise due to electric control lock itself.

5. Life is long, life is up to 350000 times


Operating temperature range:

Mini Door Lock Motor should be used at a temperature of -10~60℃.

The figures stated in the catalog specifications are based on use at ordinary room temperature catalog specifications re based on use at ordinary room temperature (approximately20~25℃.

If a lock motor is used outside the prescribed temperature range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.Depending on the temperature conditions ,it may be possible to deal with them by changing the grease of the motor's parts.Please feel free to consult with us about this.


Storage temperature range:

lock motor should be stored ta a temperature of -15~65℃.

In case of storage outside this range,the grease on the gearhead area will become unable to function normally and the motor will become unable to start.


Service life:

The longevity of Door Lock Motor is greatly affected by the load conditions , the mode of operation,the environment of use ,etc.Therefore,it is necessary to check the conditions under which the product will actually be used .The following conditions will have a negative effect on longevity.Please consult with us should any of them apply.



●Use with a load that exceeds the rated torque

●Frequent starting

●Momentary reversals of turning direction

●Impact loads

●Long-term continuous operation

●Forced turning using the output shaft

●Use in which the permitted overhang load or the permitted thrust load is exceeded

●A pulse drive ,e.g.,a short break,counter electromotive force,PWM control

●Use of a voltage that is nonstandard as regards the rated voltage

●Use outside the prescribed temperature or relative-humidity range,or in a special environment.

●Please consult with us about these or any other conditions of use that may apply,so that we can be sure that you select the most appropriate model.


when it come to volume production,we're a major player as well .each month,we rurn out 600000 units,all of which are compliant with the rohs directive.Have any questions or special needed, please contact us, we have the engineer group and best sales department to service to you

Looking forward to your inquiry. Welcome to our factory.

Lock motor


Door Lock Motor,Mini Door Lock Motor,Door Lock Dc Motor,Door Lock Gear Motor

Shenzhen Shunchang Motor Co., LTD. , https://www.scgearmotor.com

Posted on