Understanding the Application of Ultrasonic Sensors in Underwater Obstacle Avoidance

 As is well known, military submarines play a pivotal role in various action blockbusters. Often in thrilling plotlines, the appearance of a submarine can turn the tide of battle and bring victory within reach. In the field of R&D for underwater obstacle avoidance ultrasonic sensors, Dayu Electronics is renowned for its persistent dedication, unwavering commitment to its original mission, and pragmatic work ethic—a trait evident in the everyday efforts of the Dayu team. 

With the rapid development of underwater unmanned vehicles in recent years, the demand for ultrasonic sensors for underwater obstacle avoidance has surged. Dayu's engineers have been working tirelessly day and night in their R&D efforts.

On September 20, the temperature in Fuzhou remained scorching, with the ground surface temperature reaching as high as 34°C. To enhance the stability and reliability of their ultrasonic sensor products, a team of five Dayu Electronics engineers traveled over 100 kilometers from Fuzhou to Cuiping Lake in Gutian to conduct underwater distance measurement and obstacle avoidance tests. They tested their self-developed underwater obstacle avoidance modules, including the "underwater obstacle avoidance ultrasonic sensor" designed for depths of up to 50 meters.

For ultrasonic sensors used in underwater obstacle avoidance, testing in water is a challenging task. After conducting field surveys of over 40 lakes and reservoirs in Fuzhou and surrounding cities, Dayu's engineers found a suitable testing site at Cuiping Lake in Gutian, which offers a water depth of 30 meters and a width of 2,000 meters, thereby resolving the testing site issue.

Underwater ultrasonic sensors are typically used on autonomous mobile equipment such as underwater vehicles and underwater robots. The purpose of ultrasonic obstacle avoidance is to measure the distance to surrounding objects by emitting ultrasonic signals. The mobile equipment then collects distance data from all directions to determine the optimal direction to move. When an underwater vehicle is equipped with an ultrasonic obstacle avoidance sensor, it measures distances to obstacles in six directions—front, back, left, right, up, and down—to perform evasive maneuvers, preventing grounding or collisions, and ensuring the vehicle reaches its designated location without being obstructed or damaged.

This highlights the critical importance of product quality and performance in underwater ultrasonic sensors, particularly in terms of sensitivity and the accuracy of feedback information. To this end, Dayu Electronics' technical department has invested significant financial and human resources in long-term research, production, and repeated testing to ensure that products are delivered to customers in the best possible condition.

Here are real-world photos of Dayu Electronics engineers at work:

Mr. Shangguan Mingyu personally visits the site to guide the engineers.

Engineers discuss and research product stability.

Engineers perform wiring work during product testing.

Repeatedly observing the echo data of the product.

Analyzing and evaluating based on echo waveforms and distance data values.

On the computer, through repeated data collection and comparison, the performance of the product is evaluated.

The underwater obstacle avoidance ultrasonic sensor is being measured alongside a boat.

After work, let's take a moment to enjoy the scenery of Cuiping Lake in Gutian:

Fuzhou Dayu Electronics Technology Co., Ltd. — a manufacturer of underwater obstacle avoidance ultrasonic sensors — is committed to providing customers with high-quality products and excellent service solutions. If you are interested in the above underwater obstacle avoidance ultrasonic sensors or have any questions, please click to contact our online customer service QQ: 2187169532, or call our 24-hour service hotline: 0591-28082552. Fuzhou Dayu Electronics — Your Expert in Ultrasonic Obstacle Avoidance.