Hydraulic hose failure is one of the leading causes of unplanned downtime in construction and mining equipment. Statistics show that approximately 60%–70% of hydraulic system failures originate from seal and pipeline issues, with hose leakage accounting for the largest share. Traditional maintenance relies on "periodic replacement + visual inspection", which leads to premature replacement and cannot effectively prevent sudden hose bursts. Today, with the maturity of flexible sensing, edge computing and digital twin technologies, the "talking hose" is moving from concept to field application.
Three-layer "sensing skin" Distributed optical fiber or printed strain sensing layers are embedded between the hose reinforcement layer and outer cover to collect three types of signals in real time:
Strain and bending: identify chronic damage such as small-radius bending and twisted installation;
Temperature: capture heat from local friction and abnormal medium temperature rise to warn of inner wall wear;
Leakage electric field / humidity: trigger an immediate alarm once microcracks appear on the outer cover and medium seeps out.
The sensors are integrally formed with the hose, capable of withstanding 100 MPa pressure and working conditions ranging from -40 ℃ to +120 ℃, without impairing the hose’s flexibility and bending performance.
Edge gateway + service life algorithm A low-power edge gateway is integrated at the hose fitting to perform on-site signal filtering and feature extraction. It only uploads the "health index" instead of raw waveforms, adapting to weak network environments in mines and tunnels. The algorithm adopts a remaining useful life (RUL) prediction model. Combined with historical pulse cycles, peak pressure, ambient temperature and bending frequency, it outputs a "recommended replacement window", shifting maintenance from emergency repairs to scheduled replacement.
Economic benefits: every minute of downtime costs money Taking a large mining truck as an example, a single downtime incident caused by sudden hydraulic hose burst can result in losses of several thousand to tens of thousands of yuan, accompanied by safety and environmental risks. Pilot data shows that after deploying smart hoses, unplanned downtime drops by around 45%, hose spare parts consumption falls by roughly 25%, and overall maintenance costs are reduced by about 30%. For OEMs, smart hoses also serve as an entry point for aftermarket Hose-as-a-Service (HaaS). Revenue can be generated based on service duration or health status, transforming the business model from one-time component sales to recurring service fees.