reborn industrial empire

Chapter 8 vvt technology

Just because of this, I have to save Yu Fei's life!

Looking at Yu Fei walking in front, Jin Xiaoqiang secretly thought about it from behind.

In fact, it was a coincidence that I happened to meet this Chai Liang today. In fact, in my previous life, there was a lot of grievance between this Chai Liang and this Yu Fei!

It happened that the grievances between these two people ended up due to a major earthquake in Nanyang City's official circles. It was that earthquake that directly led to the resignation of Xie Shengli, the current secretary of the municipal party committee and member of the Standing Committee of the provincial party committee.

However, at that time, Jin Xiaoqiang was just a common man with a flat head. As for the whole reason for the fight, he heard it from others later, and he also said that he had a nose and an eye.

Later, he also had a few friends who hung out in Nanyang officialdom. Later, when everyone drank together many years later, they used what happened at that time as a topic of conversation, but at that time, he was very popular in the city.

The power of the Xie family has disappeared into thin air.

As for the deeds of Chai Liang's family, a year or two later, they were featured in the "xx Statement" on the imperial TV station. At that time, Jin Xiaoqiang even watched that episode of the program.

However, those will only be possible in the next few months, but now that Jin Xiaoqiang has been reborn, as a reborn person, and now has such a good opportunity, he feels that of course he needs to make a very worthwhile investment.

.

And this investment will definitely change the fate of countless people...

The three of them swaggered to the spicy soup breakfast restaurant, each ordered a bowl of spicy soup and some meatloaf, and started eating happily.

It is the bleak and cold spring season outside. At this time, eating a bowl of steaming hot spicy soup with a few meatloaf is really a perfect breakfast.

Before breakfast was served, Yu Fei ran outside the shop and made a phone call. Jin Xiaoqiang saw it but didn't say a word...

Yu Fei didn't often come to such a small shop to spend money. He felt that it was not very hygienic. Of course, this was also related to his background. But today, he didn't know what happened, but he came here with Jin Xiaoqiang and Liu Xiaoliang.

Have breakfast.

When I was in school, although I lived in the same dormitory with these two for three years, our relationship at that time could only be described as average at best.

But I don’t know why, yesterday’s unexpected meeting, a drink, and the fight, unknowingly, our relationship seemed to have become a little closer.

Friends who seemed a bit strange at first suddenly seemed to become close friends.

"By the way, Xiaoqiang, isn't it time for you to graduate in a few years? Have you found a job?"

Yu Fei asked casually while eating the meat pie.

"Well, I haven't found it yet? Xiaoliang has already found a new home."

Jin Xiaoqiang replied with meat pie in his mouth.

"Oh? What kind of job is Xiaoliang looking for? Then what do you plan to do?"

Yu Fei asked again.

"You don't know our major yet. Xiaoliang goes to the R&D department of Huazhong Automobile, don't you? I haven't planned yet. Maybe I can go home and work with my old man. To be honest, if there is a chance, I really want to do it myself."

Develop a car that is purely China’s own!”

Yu Fei mentioned it casually, but Jin Xiaoqiang had a lot of thoughts in his mind. To be honest, it had been a few days since he was reborn, and he hadn't really thought about what he wanted to do in this life.

But Yu Fei's casual question and Jin Xiaoqiang's casual answer just revealed his dream from his previous life until his rebirth.

He wants to build a car, a car that is purely made by China, a car that is purely made by China!

At the beginning of his last life, he worked for several car manufacturing companies, and later he was reduced to repairing luxury cars for the rich and their mistresses. Jin Xiaoqiang once thought that he had forgotten his dream, but he did not expect that this

A casual question and answer revealed the truest and simplest ideal in his heart.

"Hey! Want to build a car? Haha, it seems your dream is not small?"

Yu Fei replied half-jokingly, thinking that this might be just an impulsive remark made by a young man like Jin Xiaoqiang who had never entered society and was still full of idealistic fantasies about society.

"Hmph! Just you? Are you building a car? Are cars so easy to build?"

As Jin Xiaoqiang's childhood friend and best friend for more than ten years, Liu Xiaoliang did not save any face for Jin Xiaoqiang and directly attacked him with words.

"Oh! What's so difficult about building a car?"

Jin Xiaoqiang was a little annoyed by the attitudes of the two people and became a little passionate.

"Hey! Okay, since you are so confident, can you develop an engine for me that will definitely be popular in the future? Can you grasp the future engine trend?"

Liu Xiaoliang has now entered the design and R&D department of Huazhong Automobile. That department is currently working on a new car. The project has been determined, but until now, he still has no clue.

"Hey! Why is this so difficult? It depends on the future automobile trends in our country. According to my recent summary and analysis, the next few years will be the golden decade for the development of our Chinese automobile industry. These few years

In 2018, more and more people will enter the automobile industry, and the number of domestic independent brand automobile manufacturers will gradually increase. With the increase in private car ownership in the future, small displacement, large power, high safety, and fuel economy will

Environmentally friendly models will become more and more popular with the people."

After spending so many years designing cars in his previous life, and also repairing cars inside and out for so many years, if Jin Xiaoqiang still can't explain the future direction of the automobile industry, then his life will be in vain.

"Hey! You have some skills! It seems that you have really put in some effort during this period!"

Liu Xiaoliang was also stunned by what Jin Xiaoqiang said.

At present, the domestic automobile industry and high-end models are basically monopolized by foreign capital or joint ventures. The most popular private cars on the market during this period are Santana, Jetta, Xiali, and Tianjin Daihatsu.

Mid- to high-end government-purchased cars, such as Audis and Toyotas, or luxury cars driven by wealthy people, are basically all imported.

Nowadays, Santana can still be bought for 100,000 to 80,000 yuan, and Audi is about 400,000 yuan. The price of other cars has never come down. The Accord produced by Guangqi Honda has not sold for more than 200,000 yuan, let alone

Did you mention something like Toyota Camry?

"The future engine development trend will be more towards small displacement and large power. This technology is said to be troublesome, but it is also troublesome. It is said to be simple, but in fact it is also simple. For example, it became popular abroad in the 1980s.

VVT technology, if this technology can be developed, then the engine we launch will definitely be popular."

Jin Xiaoqiang was still looking at and talking.

"Hey! It's easy for you to say, but if you really want to understand the vvt technology, how can it be so easy?"

When Liu Xiaoliang was in college, he was a technology geek and was most sensitive to this type of technology. To put it bluntly, this VVT technology is to adjust the intake and exhaust time of the engine cylinder so that more air can enter the cylinder, thereby making

The same gasoline can be burned more fully and provide more sufficient power.

This technology has been mature as early as the 1980s. Among them, Japanese Honda cars are the most successful. It is precisely because of their unique vtec technology that Honda cars quickly occupied the international market and established a reputation and reputation as Toyota.

, Ford, General Motors, Mercedes-Benz and BMW and other internationally renowned car brands are competing against each other.

"Hey! Don't believe me, what's so difficult about this? Look, if this is an engine cylinder, then we install several hydraulic control valves on the camshaft, so that when the engine reaches a certain set speed,

The computer will instruct the solenoid valve to start the hydraulic system and push the small piston in the rocker arm so that the three rocker arms are locked together and driven together by the high-angle cam. At this time, the valve lift and opening time are increased accordingly, so that

The air intake volume per unit time is larger and the engine power is stronger. This sudden burst of power after a certain speed will greatly enhance the driver's driving pleasure. But when the engine speed drops to a certain speed, the inside of the rocker arm

The hydraulic pressure also decreases, the piston returns to its original position under the action of the return spring, and the three rocker arms separate. Isn't this the case? "

While Jin Xiaoqiang was explaining to Liu Xiaoliang, he drew a simple diagram on the table with water.

Liu Xiaoliang is a well-known technical geek in the school, and Nanyang City is also an old industrial base of China, so the level of automotive professors in the school is quite good.

Although their awareness and knowledge level are still relatively backward, they still understand some internationally advanced concepts. Due to technological discrimination, Japan's vvt technology has not yet been introduced into the country.

At this time, the price of importing a car like that was very high. If it was taken back to be dismantled and studied, the school would definitely not agree. Therefore, at that time, there were not many people in China who knew about VVT technology.

It is true that Liu Xiaoliang is a technology geek. When he saw this simple diagram drawn by Jin Xiaoqiang, he immediately understood what Jin Xiaoqiang meant and was fascinated by the picture Jin Xiaoqiang drew casually.

"Hey! I didn't expect it, I didn't expect it, so it turns out that this is all right?"

Liu Xiaoliang's foundation in engine design is quite solid. Although he has not actually participated in any design and finalization work, he still knows the process of each work. Moreover, in school, they cannot dismantle advanced engines, but

They didn't know how many old car engines they had dismantled.

So he knew the design and structure of the engine quite well. At this time, Jin Xiaoqiang simply drew a schematic diagram. When he looked at it, he immediately discovered the general meaning of the schematic diagram Jin Xiaoqiang drew.

At this time, he couldn't help but look at this drawing, where he was in a daze, and sighed, when did Jin Xiaoqiang suddenly become so powerful?

How could I never think of such a design before?

You must know that VVT technology can allow air to enter the combustion chamber more fully, so that every drop of gasoline can be burned more fully. At that time, the engine can obtain more abundant power, thereby achieving the purpose of saving fuel and reducing emissions.

"What's going on? Is that what happened?"

Jin Xiaoqiang saw Liu Xiaoliang looking deep in thought, and couldn't help but said to Liu Xiaoliang a little triumphantly.

In fact, this was all thanks to his years of car design and car repair experience in his previous life. You must know that at that time, there were countless luxury car engines that he had dismantled and dismantled.

It can be said that in his previous life, during his working life before his rebirth, there were almost no cars that he had not dismantled, ranging from expensive and luxury cars worth over one million to family cars worth less than 100,000 yuan.

In addition, he usually likes to delve into these things. Once an engine is disassembled, he must take a closer look. Moreover, coupled with his persistence in building a car by himself, he actually disassembled it himself and recorded a lot of it.

Data on engine internal components.

When Liu Xiaoliang asked this question to test him, it really didn't cause much trouble to him.

"Hey! Xiaoqiang, do you think this vvt technology is actually that simple?"

After understanding the principles that Jin Xiaoqiang just said, Liu Xiaoliang raised his head and asked Jin Xiaoqiang with a confused look on his face.

If this technology is so simple, how could our Chinese technicians not think of it?

"Hey! If only it were that simple. This is just a principle, and the most critical core technology of this technology is on the ECU! This ECU must store the best valve timing parameter values, as well as a crankshaft position sensor

, the throttle position sensor, the water temperature sensor, the intake manifold air pressure sensor, etc. must feed back the feedback information to the ecu, which will be processed by the ecu before it can issue instructions to the hydraulic control valve!" |

Liu Xiaoliang's question was on point. Jin Xiaoqiang could only smile bitterly and then explained to Liu Xiaoliang.

This ECU is the so-called driving computer, which is the core and key part of current engine research. Only with the purity of such an electronic control unit can the car's engine use the least amount of fuel and generate the maximum horsepower.

And this ECU is also the Achilles' heel of China's current engine research...

To put it bluntly, it’s not that it can’t be built, but that no one has the time to devote themselves to research and build a database.

You must know that parameters like those mentioned by Jin Xiaoqiang just now require thousands of experiments, recording data, and then selecting the best parameters and inputting them into the computer, and then recording the values ​​of other control units.

, and then match the optimal configuration through the computer.

Just like arranging a sequence of numbers, tens of thousands of sets of data may generate infinite possibilities, and then the best combinations are selected from the middle and combined together. When the engine is working, the work of the engine is controlled through the ECU.

Establishing such a database, taking it into shape, and then forming a product may often require a team to work on it for several years, or even thousands of experiments, to get the best match, and the investment in these experiments is also

Huge, maybe even hundreds of millions of dollars of capital will be invested to complete the experiment. Who is willing to make such an investment?

According to the current and future changes in China's social form, everyone is focused on keeping pace with the RMB, and who is willing to get down to dealing with these boring data?

And how many car manufacturers are willing to spend such a high price to conduct such data tests?

When Liu Xiaoliang heard what Jin Xiaoqiang said, he couldn't help but sigh, yes! The principle is very simple, but if you want to realize it, it will be even more difficult?

Jin Xiaoqiang looked at Liu Xiaoliang's dejected look and couldn't help but feel happy. In fact, in his previous life, he had recorded all the technical peaks related to VVT's ECU matching, such as Toyota's VVT-I, and what Honda

VTEC, BMW's valuetrnic, and Audi's avs are all talking about this technology.

But he kept the data peaks of those technologies in his mind. His biggest collection in his previous life was those data magazines on famous cars, and he knew a lot of the data in them by heart.

So if he could really get these things done, theoretically speaking, it wouldn't be that difficult.

Yu Fei didn't understand what Jin Xiaoqiang and Liu Xiaoliang were talking about just now. He was not a car design major, but he also saw that Liu Xiaoliang seemed to be in a low mood now, so he quickly said to Liu Xiaoliang.

"Hey! Why are you thinking so much? Don't you have some ideas now, Xiaoqiang? When you guys work together to do it, I don't believe that we Chinese people can't come up with such a crappy thing. Okay, don't think about it now.

, let’s eat first.”

As soon as Yu Fei finished speaking, before Liu Xiaoliang could even raise his head, the door of the small restaurant was pushed open, and then Chai Liang's duck-necked voice came over.

"Okay! You guys are so damn smart that you haven't left yet. Don't say anything. Come on, brothers!"

*********

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