Basisinformatie startmotor

Fig. Statische afmeting van starter
It is also necessary to understand the basic information of the starter. After all, the starter is an important part of the car. This article mainly introduces starter motor information, mainly including the relevant parameters and characteristics of the starter motor.If you just need this part of the information, then please read on.

Introduction to the Starter

The function of the starter is to drive the engine to make it run (equivalent to the function of shaking the engine by hand in the early days). From the perspective of the starting process of the engine, the starter is static at the beginning.
A certain required voltage must be applied to the starter, which is often referred to as “energization” to make it rotate. At the same time, the starter must be connected to the engine for a short time, that is, the drive gear and the flywheel ring mesh to drive the engine to rotate.
When the engine has been driven ,and when the starter can rotate by its own strength, the starter power should be cut off immediately to disconnect the starter from the engine. If the engine is still connected to the starter after the engine is started, the engine will drive the starter to run in reverse, and even damage the parts in the starter.
Therefore, the starter is composed of the motor part that generates torque, and the mechanism that engages and disengages with the engine.
The operation of the engine is inseparable from the starter, and the starter has the following characteristics, such as short-time rated duty, small size, large output power, and easy to be affected by temperature.

Starter Motor Power & Parameters

  • Power: At present, the power of all OYD starters is 2.2kW.
  • Working current: 150-200A.
The recommended starter power is as follows:
  • 3-cylinder 1.5-liter: 1.4-1.7kW
  • 4 cylinders 2.0 liters: 1.7-2.0 kW
  • 4-cylinder 2.5L/2.8L: 2.0-2.5kW
  • 6 cylinders 3.0 liters: 2.3-2.5 kW
The module of the starter gear and the starter drive gear flywheel ring must be carefully evaluated for proper meshing. When the starter is finally selected, other components in the electrical system should be considered comprehensively. To avoid excessive voltage drops from the battery to the starter and body ground during cold cranking, the wiring harness must be sized carefully.
  • Static dimension: the distance from the installation surface of the starter and the cylinder block to the outer end surface of the meshing gear of the starter. OED483Q static size: 17.5mm; OED383Q static size: 25mm.

Fig. Statische afmeting van starter

Fig. Statische afmeting van starter

  • No-load performance parameters (voltage, current, speed).
When there is no load, provide 11.5V voltage to the starter, and observe the maximum current (≤ 120A) and the minimum speed (≥ 4200) of the starter.
  • Load performance parameters (voltage, current, speed, torque).
Provide 11.5V voltage to the starter, and at the same time, the starter drives a load of 12Nm, observes the starter current (≤400A) and the minimum speed (≥1350rpm)
  • Braking performance parameters (voltage, current, torque). The load provided to the starter is so great that the starter can not rotate to play a braking effect. Observation
The maximum current of the motor (≤1000A) and the minimum torque (≥31Nm)
  • Rated power and power characteristic curve.

Standard Characteristic CurveFigure Starter Characteristic Curve

Figure Starter Characteristic Curve
Figure Starter performance bench test bench
Figure Starter Performance Bench Test bench
The foregoing describes the power of the engine and its static dimensions, as well as its no-load, load and braking performance parameters. The input and performance parameters of the starter will be introduced in the form of a table later.

Starters Motor Performance (S14-204A)

Nominal voltage 12V
Output Power 2.8 kw
Rated Time 30S
Grounding method Negative Ground
Elektromagnetische schakelaar Pull-in voltage 6.5V MAX(at ℃20) 8.5V MAX(at ℃100)
Release voltage 4V MAX(at ℃20) 5V MAX(at ℃100)
Contact drop 0.2 MAX(200 A/H)
output no load Voltage 11V
Electric current 160A MAX
Rotating speed 4100r/min MIN
load Voltage 9.38V
Electric current 250A
Torque 8.5 N.m MIN
Rotating speed 1750r/min MIN
when braking Voltage 3V
Electric current 1300A MAX
Torque 31 N.m MIN
The above two tables cover the performance parameters and output parameters of the S14-204A starter. I hope this data is useful to you. Next, the starter motor will be outlined and its features will be introduced.

The Features of the Starter

  1. High Power Output: Car starters need to provide a lot of power to generate high torque output to help start the engine. Therefore, they are usually characterized by high power output.
  2. Short-time work: The car starter only needs to provide high torque output for a short time to help start the engine. Therefore, they usually only work for a few seconds before stopping.
  3. Lightweight and compact: Since the space in the car engine compartment is usually small, the car starter needs to be designed in a light and compact form to fit the limited installation space.
  4. Efficiency: Since automotive starters work for very short periods of time, they need to have high-efficiency energy conversion capabilities to ensure sufficient torque output in a short period of time.
  5. Durability: Automotive starters are often required to withstand heavy use, so they need to be designed in a durable form to ensure reliable performance over long-term use.

      Conclusie

      This article mainly shows some pictures and tables, as well as data to introduce the performance parameters of the starter, and also displays the four characteristics. I hope that after reading this article, it can help you.
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