"I want to go with you."
"Girl, stay home and be safe." Liu Chi hugged Ye Yuxin gently and said, "I will be back soon. I will be careful."
"No..." Ye Yuxin was surprisingly stubborn at this time: "Don't worry, I won't disturb you."
"Then change your clothes quickly, don't wear skirts and high heels." Liu Chi looked at Ye Yuxin's determined eyes and finally nodded.
"Um!"
"......"
Speeding all the way, Liu Chi and his companion arrived at the company's laboratory half an hour later.
"Girl, stay here. If you have nothing to do, help me keep an eye on the relevant news online to see if there are any emergencies." Liu Chi said while typing on the computer.
"Um!"
"By the way, ask your uncle if it would be convenient for him to send a helicopter over. This would save us a lot of time on the road." Liu Chi said without turning his head while operating the computer.
"Okay!" Ye Yuxin took out her cell phone from her bag and walked out of the laboratory for fear of disturbing Liu Chi.
......
80,000 rpm?
Two valves, that's the circle.
If it is closed for two hours, it will rotate at least 1333 times per minute. Adding the force, the initial speed must be at least 1500 times.
With a robot hand, that's impossible.
The best way is to automate.
Liu Chi suddenly had an idea. If the robot held an electric motor in its hand, the speed of "spinning in circles" would definitely meet the requirement.
Just fix the electrical problem and everything will be OK.
Now I have to calculate the output power myself, and how to ensure normal operation under a high temperature of 2300 degrees, and ensure the balance of the robot when suspended in the air. If it can be done, then there will be no problem.
The formula for calculating the motor's output power is: P≈TN9549
T is torque and N is speed.
The formula for calculating the input power of the motor is: P=UIcosφ.
Where U is voltage, I is current, and φ is the phase difference between phase voltage and phase current.
therefore......
......
When the number of pole pairs is 2, the speed of the rotating magnetic field is n=1500.
n=60fp;
n is the speed of the motor (rpm); 60 is per minute (second); f is the power supply frequency (Hertz); p is the number of pole pairs of the motor's rotating magnetic field.
The standard power supply frequency is specified as f=50 cycles per second.
Due to the existence of slip, the actual speed of the motor is slightly lower than the speed of the rotating magnetic field. In the variable frequency speed regulation system, according to the formula n=60fp;
It can be known that......
Changing the frequency f can change the speed. If you reduce the frequency↓f, the speed will decrease:
That is, 60f↓p=n↓. As the frequency↑f increases, the speed increases: that is, 60f↑p=n↑.
......
It can be concluded that when P exceeds 12.8, then there is no problem!
Liu Chi instantly opened a folder on the computer screen.
The hand speed continued to increase.
Ten minutes later, Liu Chi took out a USB flash drive and plugged it into the USB port of the computer.
《Data is being copied, please wait...》
"Yuxin, help me get some A2 clips." Liu Chi said directly when he saw Ye Yuxin beside him.
"Okay!" Ye Yuxin responded and ran out of the laboratory.
......
Just as Liu Chi was busy, a helicopter hovered directly above the industrial park.
"Can we land?" Chen Luguang on the plane looked around and finally asked the captain speechlessly.
"I don't know if the square below can withstand the strong wind from the helicopter."
"Let me make a call first." Chen Luguang said as he took out his cell phone from his pocket, found Liu Chi's number, and was about to press the dial button, but after thinking about it, he stepped back and found Ye Yuxin's cell phone number.
"Uncle? Are you here?"
"I'm above the industrial park."
"It's okay, you come down first, it's okay." Ye Yuxin naturally knew that Chen Luguang was afraid that the buildings in the square could not withstand the strong wind from the helicopter.
"Okay, then I'll go down." After Chen Luguang hung up the phone, he glanced at the square below, made up his mind and said to the captain, "Let's land in the middle of the square."
"......"
"What's the matter? What did Liu Chi say?" After getting off the helicopter, Chen Luguang asked Ye Yuxin who came towards him.
"I don't know yet. He's still doing the side test." Ye Yuxin said to comfort him, "Don't worry, I believe Liu Chi can do it. Uncle, go to his office and rest for a while."
"Okay." Chen Luguang looked up at the brightly lit fourth floor and prayed: It will definitely work!
Ye Yuxin brought Chen Lvguang to Liu Chi's office, poured him a glass of water and said, "Uncle, wait here for a while. I'll go to the laboratory to take a look."
"good."
More than ten minutes later, Liu Chi came down holding a robot that was nearly half a meter long, and Ye Yuxin followed behind with a notebook.
"How about it?"
"The test should be fine, but we need to try it on site." Liu Chi said directly: "Let's go, time is tight."
"Okay!" Chen Luguang stood up neatly.
"......"
"You made a robot in such a short time?" Chen Luguang followed behind Liu Chi and asked in surprise.
"What are you thinking about? Do you think I'm a god? I came up with this some time ago to verify a technology, and it just happened to come in handy today." Liu Chi explained.
"What is this on the surface of the robot? So many patterns." Chen Luguang's curiosity was piqued.
"Keep it secret..." Liu Chi handed the robot to Chen Luguang and said, "Help me take it down. I need to call the disaster area and ask them to help me prepare something."
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