Mountainous male student won second prize at provincial level with the topic of preventing overloaded and oversized vehicles

Xuất thân trong gia đình nông dân ở xã miền núi nghèo khó Quỳnh Tân, cách xa trung tâm huyện, điều kiện còn nhiều thiếu thốn nhưng Nguyễn Cảnh Thành và Văn Đức Minh đã nỗ lực vượt khó, theo đuổi đam mê sáng tạo khoa học.

Mới đây, 2 em đã đạt giải Nhì cấp tỉnh cuộc thi sáng tạo khoa học kỹ thuật do Sở GD&ĐT Nghệ An tổ chức với đề tài “Barie tự động phát hiện và ngăn chặn xe quá tải trọng đi vào đường thôn xóm”. Trước đó, đề tài này đã đạt giải Nhất cuộc thi ở cấp huyện.

Chia sẻ về đề tài của mình, 2 em cho biết: Nhận thấy tình trạng cơi nới tải trọng, chở quá tải diễn ra khá phổ biến, thậm chí có xe chở gấp 2 - 3 lần tải trọng cho phép. Nếu không quản lý được tải trọng xe khi lưu thông trên các tuyến thôn xóm, thì đường bị hư hỏng, tàn phá là đương nhiên; môi trường bị ô nhiễm, nguy cơ xảy ra tai nạn giao thông ngày càng nhiều.

Hai em Nguyễn Cảnh Thành và Văn Đức Minh (bàn đầu bên trái) học sinh lớp 9A, Trường THCS Quỳnh Tân (Quỳnh Lưu, Nghệ An). Ảnh: Ngọc Bích

Understanding people's frustration and potential danger, Nguyen Canh Thanh said:“Our product originates from reality. The road in my village has just been rebuilt, but after only 2 years, the road has encountered some problems such as subsidence, cracks and potholes appearing all over the road. Therefore, we boldly came up with the idea of ​​building a Barrier system that automatically detects and prevents overloaded vehicles from entering the village road.

Thanh and Minh's product "Automatic barrier to detect and prevent overloaded vehicles from entering village roads" consists of 4 main parts: Frame and support system; Electronic scale; Electromagnetic relay; Electric motor system. The operating principle of this product is to place a barrier 2.5m higher than the road surface. Only vehicles with a height of over 2.5m must be inspected. When the vehicle is inspected by the system, two cases will occur:

The weight of the vehicle is less than or equal to the road load limit: The relay is not powered, the engine is not running so the barrier is still open, the green light is on, the vehicle is allowed to continue moving. In case the weight of the vehicle is greater than the road load limit, the red warning light system is turned on, signaling that the vehicle is not allowed to move onto the road.

The product consists of 4 main parts: Frame and support system; Electronic scale; Electromagnetic relay; Electric motor system. Photo: Ngoc Bich

Drivers can look at the LCD screen to know how much the vehicle is overweight so they know to lower the load. "When the vehicle has a load greater than the road's allowable load, the Arduino operates to supply power to the electromagnetic relay, the electromagnetic relay operates to supply power to the motor, at this time the barrier will lower and prevent the vehicle from entering the road" - Van Duc Minh confidently introduced the product.

Mr. Le Van Son - Principal of the school said: The Science and Technology Innovation Competition is an annual competition, a useful playground for students to research, study and unleash their creativity. Therefore, at the school level, we always create conditions and encourage students to participate.

“After students have products that win prizes at the school level, they are selected to compete at the district level. After that, the school makes plans, arranges instructors, and invests more money so that their products are qualified to participate in competitions at a higher level.”