Foreword
The mechanical power module is getting more and more attention, and the power system as one of the highlights of the module has contributed to this.This tutorial will make a detailed description of this novel energy system, hoping to help everyone who likes mechanical power modules.
The explanation of the concept and principles of this education is not too deep in the use of blocks and items.A separate tutorial will be considered in this regard.
Overview of the power system
Generally speaking, the power system includes the following composition elements:
Power source
Transmission structure
Energy -consuming machine
The power source is an device or machine that generates power, such as the water vehicle windmill bearings. Different stress and speed generated by different power sources can have multiple power sources in a power system.
The transmission structure plays a role in accepting and transmitting power. At the same time, it can also be a power change. The blocks commonly used in the transmission structure include the transmission rod gear gear cross box.Generally speaking, we hope that the power source can drive multiple machines or far -distance machines, or to change the motivation to meet the demand, we need to use the transmission structure.
Energy -consuming machines are machines that receive power and perform various jobs, such as power roller press power mixers. Different energy -consuming machines consume different stress and do not change with other factors. The faster the input speed, the faster the working speed.
It should be noted that compared to the traditional power and energy system in other modules, there is no energy storage device in the power system, or there is no "inertia" in the power system.No matter whether the machine is working or not after access to power, it will continue to consume energy, which needs to be paid attention to when designing power systems.
Stress, speed and speed stress
Taking the system as an example, explain the basic concepts in the power system: stress, speed and speed stress.
The system contains a waterwheel as a power source and a power roller presses for energy consumption machines. It is connected through the transmission rod and installed with a speed meter and stress table to facilitate viewing speed and stress status.
Wearing an engineer's goggles can facilitate us to view the state of the power system.We can see:
The speed stress of 256SU generated by waterwheels
The speed of the transmission rod is 16rpm (that is, 16 rpm per minute)
The speed stress of the system is 256SU, where 128SU is consumed, and the speed stress of 50%of the entire network is consumed (although the GUI is displayed as "stress" but its actual representative value is the speed stress table) does not display stress?
The power roller compressor consumes the speed stress of 128SU
Just observation is not enough to explain the relationship between stress, speed and speed stress, but it is very well understood if it takes them into middle school physics.
Stress is torque.For the source of power, its stress represents the size of the force generated.For energy -consuming machines, its stress is the size of the machine's resistance or friction.
Rapid speed is speed.
Speed stress is the product of stress and speed, and the corresponding physical concept is power.We know that the distance between the workmanship is equal to energy, the speed is equal to power, and the torque multiplied is similar to the speed.
Combined with the above instructions, re -explain this system:
Waterwheels generate a speed stress of 256SU. The speed of the waterwheel is 16rpm, which can be calculated that the stress of the waterwheel is actually 16.
The value displayed by the speed gauge and stressometer is consistent with the motivation of waterwheels.
The power roller compressor consumes the power of 128SU, and its receiving speed is 16rpm, which can calculate that its stress is 8.
The waterwheel provides 16 power. The roller suppress the roller with 8 friction, and the power is greater than the friction, so the system can run normally.
Another interpretation method: The waterwheel provides a power of 256SU, the roller consumes the power of 128SU, and the power provided is greater than the power consumption, so the system can run normally.
Overload and transmission
In a system of normal work, the power should be greater than the resistance. So what happens when the resistance is greater than the power?
Add the number of roller to three to see what will happen.
The speed stress consumed by the three roller presses is 384SU, which is greater than 256SU provided by the waterwheel. The system is overloaded.(Or equivalently to say that the stress consumed is 24, which is greater than 16 provided by the waterwheel, but because the stress table does not directly display the stress, the speed stress description is more intuitive)
After the overload, the entire system stopped rotating, and nothing could be done.
For overload, GUI has reminded us intimately, either adding more power sources or deceleration.
It is well understood by adding power sources. One waterwheel can drive two roller press, and two waterwheels can drive 4 roller press.
However, adding power sources is not always applicable. Sometimes, the system needs to continue working when the power source is unchanged, which requires changes.
A large gear and gear are set as shown in the figure:
In the mechanical power module, the transmission ratio between the size of the gear is 1: 2, that is, when the power is transmitted through the size of the gear, the speed of the small gear is twice the large gear.The speed of the large gear is half of the small gear.Based on this, you can know:
The speed of the roller receiver is now half of the original, that is, 8rpm.
The speed stress consumed by each roller is 8*8 = 64SU. The three consumption of 64*3 = 192SU, less than 256SU provided by the waterwheel.
The system can work normally.So what is the price?
By reducing the speed of the roller press, the system has restored the operation.However, the speed of the roller is reduced by half, and the working speed is half slower than the original.
Summarize:
The speed stress consumed in the system is greater than the generated speed stress that the system is overloaded to stop working.In other words, when the resistance in the system is greater than power, it is more convenient to measure with speed stress.
Reduce the working speed of the machine by changing gear transmission, thereby reducing the speed stress of the machine consumption, which can reduce the system load. The cost is that the machine's operating speed becomes slower.
Of course, it is easy to think of the speed of the machine's working speed by changing the speed of the machine at the cost of consuming more speed stress to improve the working speed of the machine.
As shown in the figure, the speed of the roller below is significantly greater than the upper roller press that has not been accelerated:
Conclusion
At this point, the explanation of the power system in the mechanical power module has been basically completed. Thank you very much for your reading. There are still some that need to be explained here:
The module version used in the tutorial is V0.3C. It does not rule out that the subsequent updates will be changed. Considering that the concept and principle content will not be changed significantly. This tutorial should be effective for a long time.
This tutorial only explains the power system, but it does not rule out that other tutorials will be made in the future.
I wish you a happy play.