Ruijie wisdom cloud classroom story: In-depth scene innovation, from dismantling luxury car doors to doing 100,000 lift tests

At this year's partner conference, Ruijie officially released the heavy product of "Cloud Classroom +"-"Smart Cloud Classroom". In a short period of time, the Smart Cloud Classroom has not only quickly been recognized by users in dozens of schools, but many highly inspired designs have also completely changed users ’understanding of the classroom. Automobile lift storage like car windows, real handwriting function of "paper and electricity" fusion ...

All of these "cool" innovations are for a reason that doesn't seem to be conspicuous--it's better to use. Behind these three simple words, it is implicit that the "Smart Cloud Classroom" is not a simple research and development process.

From the "cover" of the math class to "innovation with users"

The scene is the best incubator for innovation. The design of a digital product for the front line of teaching must start from the "classroom".

If "Cloud Classroom" was born in the attic of a school in Yunnan, then the birthplace of Smart Cloud Classroom needs to cross 3500 kilometers to a middle school in Shenyang. In order to optimize the relevant functions of the cloud classroom teaching software, Ruijie's R & D team needs to go to various schools to listen to classes, and a unique math class allows everyone to find a door to innovation containing "treasures."

As information technology has become an important tool for many first-line teachers, computer-aided applications are indispensable, as is this math class: when the course is over, the teacher opens the “cover” of the desk and uses a folding The computer screen was received in the table pocket, and this novel move immediately caught the attention of the R & D personnel.

Picture: Smart Cloud Classroom "prototype"

Through careful communication, the original idea of ​​the product comes from the teaching process. In regular classrooms, devices such as computers or PADs do not need to be placed on the desk at any time. Therefore, the school teachers work together to design this storage method. Although this design is rough, there are also problems that the power cord, network cable, mouse, keyboard and other related devices cannot be stored, but there must be a reason. So, is this design available to all teachers? Why do n’t school teachers choose to use mobile devices such as PAD?

A "wider" demand survey was launched nationwide, and the results of hundreds of school visits and thousands of demand questionnaires were returned. Ruijie quickly came up with answers to these two questions: First, because multi-purpose classrooms are used more than traditional student computer rooms, different courses may use different terminal devices such as 3D printers. Therefore, these learning terminals The equipment needs to provide and store functions automatically, which is also a widespread demand for information multi-function classrooms. Second, although the use of PAD for classroom teaching has its advantages, not only the lesson preparation needs to be repeatedly tested for the PAD system and Wi-Fi environment, but also You need to fully charge the device before the class, otherwise there will be a series of problems such as "no electricity in class, network interruption, hardware failure, software incompatibility" and so on.

The user's pain points mean innovative business opportunities. We have to admit that Ruijie occupies the "cheap" in the innovation and development process of smart cloud classrooms and other educational information products. The data shows that Ruijie has built 17,000 cloud classrooms across the country, covering all provinces and municipalities across the country. The collection, analysis, and diagnosis of the personalized needs of these users have greatly improved the speed and effectiveness of product innovation iterations. "Innovate together" goal. In fact, the birth of Wisdom Cloud Classroom is also the result of the “incubation” between users and Ruijie.

From dismantling the doors of luxury cars to 100,000 upgrade tests

"Although the" cover "made by our mathematics teachers is good, there are more problems that have not been solved, such as convenience, equipment power supply, etc ... Therefore, the storage of the smart cloud classroom should definitely be 'better to use' "Ruijie R & D engineer Zhao Jie (pseudonym) introduced the goal of designing a smart cloud classroom.

In response to the problem of power supply, the R & D personnel found a method almost immediately. They used the POE power supply method to complete the wiring work through the gap in the desk legs. However, it is not easy to implement the scheme to change the terminal storage method from "manual to automatic".

The origin of innovation is often not a simple causal chain, but an intricate network of relationships, which consists of countless scenarios. "If you think of the learning terminal as a piece of glass, the automatic storage device is like a car door." Zhao Jie introduced the inspiration for this design.

Figure: Photo of dismantling the door

However, because the manufacturer cannot provide such a lifting device, Ruijie's research and development team can only buy many brands of car door accessories, from step-by-step disassembly, to re-design using mechatronic systems. On the floor, tables, chairs, windowsills of the design studio ... Almost everywhere is filled with parts, like a "4S shop". Many people have re-examined the knowledge learned in the university, from the electric control system, to the gear transmission mechanism, to the glass lifting arm, supporting mechanism, limit block mechanism, etc., almost every assembly is a new challenge . At the same time, in order to achieve a high standard of durability of 30,000 times, the R & D team set a test target of 100,000 times.

Picture: Wisdom Cloud Classroom passed 100,000 durability lift tests

To this end, the R & D team arranged more than 20 prototypes for collective lifting test. According to the set procedure, the machine needs about 6S to rise / fall once, and 12S to go back and forth once. You can move up and down 7200 times a day, arrange special squat points to follow up the experiment during the day, remotely track the experiment status through the camera at night, 14 days and 14 nights of the lifting experiment, each machine completes 100,000 times of lifting. This two-day Sunday and Sunday non-stop testing gave the final product a super durability and stability, which is also Ruijie's consistent requirement for product quality.

To ensure safety, the R & D team is collectively "pinched"

From the perspective of the actual use of the Smart Cloud Classroom, in addition to innovations such as charging, storage, and management of classroom equipment. More importantly, teaching applications are also "easy to use". Students in the Smart Cloud classroom can not only realize traditional teaching interaction through the PAD terminal, but also achieve real writing on ordinary paper with the help of smart handwriting components, and transmit it to the smart learning terminal within 0.2 milliseconds, which truly does not change the writing habits of students . And this smart pen that students like to use, there are also countless intriguing stories behind it.

Zhao Jie said: "Considering the actual needs of users in the education industry, we have not adopted the laser desktop, which is a costly and unpractical technology, nor has we selected the design of the dot matrix handwriting screen common on the market to write on the screen. Instead, use an ordinary refill to achieve real writing on ordinary paper with a thickness of 10-12mm on the desktop. The writing content can be transmitted to the smart terminal in 0.2 milliseconds. The key here is that the smart pen has pressure induction and cuts the magnetic field through the coil built into the end of the pen. Recognize the stroke, and then use the core chip installed in the handwriting component to restore the text and put it on the screen. Realizing the input on the real paper with real writing experience, this innovation has been unanimously affirmed by users and also meets the teaching needs of students' writing exercises. When everything is close to perfection, this pen has stopped the plan to mass-produce the Smart Cloud Classroom because of the security problem that requires unified storage. "

Because the prototype of the Smart Cloud Classroom adopts a series of security designs such as waterproof, anti-pinch hands, anti-pink hair, and anti-leakage, the initial design of this stylus is to rise and fall together with the terminal screen. But what if the first and second grade students are caught in the process of putting pens? Although this is only a minor probability problem, the R & D personnel of Smart Cloud Classroom do not think so.

"This is a problem that must be solved. Although our lifting system has a safety sensor, it will automatically stop when it encounters obstacles, but how painful it is after clamping your hand, you will know it after a try." Zhao Jie said that in order to ensure every A detail on the use, all R & D personnel have unified to try to feel the grip. After the experience, everyone reached a consistent conclusion, although there will be no major safety harm, and the pain can be tolerated by adults, but in order to ensure that students will not experience a negative experience due to the storage of this pen, the appearance of the product is reopened. The "more perfect" wisdom cloud classroom was born step by step.

"Clear Creek Conference Battle" has become a memory of the past, "innovators" never stop

Solving problems and pain points brings innovation, and the birth of innovation also undergoes arduous training.

In the process of the smart cloud classroom from the prototype to the continuous improvement of the finished product, it is necessary to mention the "Qingxi Conference Battle". Since Smart Cloud Classroom is a project that is jointly participated by design companies and dozens of manufacturers and suppliers, in order to communicate better and more efficiently in innovation, the R & D team has opened a two-story office building in Qingxi, Dongguan, and will The first floor is designated as a production workshop, and the second floor is designated as a product design room. Hundreds of people are gathered in Qingxi to create a "creator space" with a smart cloud classroom as the goal for the "conference war". If it is not an immersive person, it is impossible to experience this sleepless but passionate working atmosphere, and it is impossible to feel the process of continuous failure and frustration mixed with the joy of success. However, this is also the path chosen by innovators.

The prototype design is completed, but in order to realize the mass production of the smart cloud classroom, the team of Ruijie set off again. From Shenyang, to the Yangtze River Delta, and the Pearl River Delta, crossing the rivers north and south, Ruijie has identified a large-scale manufacturer in the industry, which claims that it can produce 1,500 units per year. However, when entering the workshop to inspect and inquire about the production capacity, the workshop supervisor replied: "This lifting product can be assembled up to 3 units per day, and it can still be achieved by skilled old staff." The production capacity is only 3 units / day? This is far from satisfactory Market requirements. To this end, the team pushed down and redesigned the lifting products, changed the division of labor and assembly methods of the production process to modularization and structural optimization, and finally realized mass production.

A "more" word drives human instincts to break through ourselves, which allows us to create "better" computers and "faster" network equipment. It is also a "more" word, which allows Ruijie's R & D team to create a "better use" smart classroom product.

Of course, "better" innovation cannot be likened to nothing in the office alone. On the contrary, most innovations in the digital age need to be truly integrated with front-line application scenarios and work together with users and partners to complete. Cloud Classroom's innovative "loft" is just a place, it can be in Yunnan, Shenyang, or Qingxi, but no matter where it is, it requires R & D personnel to go out, go among users, and go to the scene Go to ...

Today, the "Clear Creek Conference War" has become a memory of the past, and the true "innovator" will never stop.

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