Captive balloon stress and strain on -line measuring device

The utility model relates to a captive balloon stress and strain on -line measuring device, including the foil gage of a plurality of and stress collection system both -way communication, stress collection system passes through RS422 and ball accuse computer both -way communication, and ball accuse computer passes through on the ball wireless network bridge both -way communication on switch and the ball, between wireless network bridge wireless communication under wireless network bridge and the ball on the ball, switch both -way communication under wireless network bridge and the ball under the ball, switch and ground process computer both -way communication under the ball. The utility model discloses a strain rosette and compensating gauge completion software material stress test can bein real time, accurate measurement captive balloon is in the atress condition of during operation, carry out the analysis through the data to gathering on the one hand, guide spheroid structural design and mechanical analysis