Patent ID: 9551725
Date: 2017-01-24
CPC Classifications: G01N

Claim:
1. A system for monitoring cleanliness of a material handling system, the material handling system comprises a plurality of cartridges for loading materials, the material handling system transports the cartridges according to a predetermined route, the system comprising: a measuring device conducts the cleanliness measurements and obtains the measured results, the measuring device is installed in the cartridges; a first signal device connects with the measuring device to receive the measured results and transforms the measured results to wireless signals, the first signal device is installed in the cartridges with at least one lithium battery supplying power to the measuring device and the first signal device; a second signal device receives the wireless signals, the second signal device is installed in a predetermined location outside of the cartridges; a measuring host connects with the second signal device to control the measuring device by the second signal device and the first signal device to conduct the cleanliness measurement only when the cartridge moves to the predetermined location of the second signal device so as to obtain the measured results and to receive the measured results, and the measuring host transforms the received wireless signals back to the measured results; a printer connecting to the measuring host is configured to print the measured results; wherein the second signal device comprising: a plurality of wireless routers connecting with the first signal device by wireless communications to receive the wireless signals, the plurality of wireless routers respectively corresponds to a plurality of the measuring particular locations of the predetermined route, each of the wireless routers is assigned with one IP address corresponding to location information, and the wireless router transmits the location information and time information together with the wireless signals to the measuring host when the cartridge passes through a measuring particular location; a main router connecting with the wireless routers to receive the wireless signals; wherein the measuring host connects with the main router.