It is essential to control constant temperature of diffuse gas effectively during solar panel production process.A system of constant temperature box measurement and control based on LabVIEW used in experiment is introduced

including the hardware build-up and software realization.Division estimation is applied to the measured data from every single sensor in the system of distributed multi-sensor to improve the accuracy of the single sensor and establish the foundation for next data process

so the effect of error is reduced and the value of local decision-making is obtained.The adaptive weighted fusion algorithm is applied to all the values of local decision-making according to the optimal weight distribution principle.The analysis shows that the fusion result of this method is closer to the true data than that of the traditional one.