National Applied Research Laboratories

Wen-Yi Chang

Franco Lin

Jihn-Sung Lai

Lung-Cheng Lee

Whey-Fone Tsai

Ho-Cheng Lien

Teng-Yi Yu

Yu-Hui Liao

Chin-Hsiung Loh

Chih-Yen Chen

Tai-Shan Liao

Jyh-Horng Wu

Yu-Chi Sung

Shou-I Chen

Hung-Ta Hsiao

Te-lin Chung

Yi-Haur Shiau

Lung-Chang Lee

The present invention relates to a method for measuring cracks remotely and the device thereof. First, multiple laser spots with known a shape are projected onto a remote wall and beside a crack. Then, by using geometric calculations, the relative coordinates of the laser spots on the wall and the real distance can be given and used as the reference length of the crack. Next, a camera is used for taking a picture of the remote crack along with the laser spots; the image identification technology is used for calculating the relevant parameters of the crack. Thereby, to acquire the parameters of the crack, a user needs not to be present at the site for measuring at a short distance or placing a reference object, and thus providing safety and convenience.

Method for measuring cracks remotely and device thereof

The present invention relates to a multi-lens monitoring system for bed elevation around a pier according to the present invention comprises a container, a holder, a plurality of photographing units, and a processing module. The container is disposed on the pier; the holder is disposed inside the container; and the plurality of photographing units are disposed on the holder for photographing the bed under water and producing a monitoring image. The processing module is used for activating one of the plurality of photographing units for photographing the bed under water. The processing module also analyzes the monitoring image, gives the elevation variation of the bed, and transmits the elevation variation of the bed to a remote monitoring unit for real-timely monitoring and recording. During the monitoring process, the processing module will change activating one of the plurality of photographing units according to the monitoring image, and hence the electrical power can be saved.

Multi-lens monitoring system for bed elevation around a pier

A telescopic probe monitoring system for riverbed elevation monitoring at a bridge pier is revealed. The system includes a measurement module for measuring riverbed elevation under water and a control module. The measurement module includes a housing, a multi-layer tube, a driving member with scales, a photographic unit for capturing images, and a sensing unit. The control module controls the driving member to extend the multi-layer tube. Thus the sensing unit on the bottom of the multi-layer tube contacts the riverbed and then sends a sensing signal to the control module for stopping pushing the multi-layer tube and controlling the photographic unit to capture images of the driving member. According to the images and movement of the measurement module, the control module learns the riverbed elevation and sends the riverbed elevation to a remote monitor unit for real-time monitoring of the riverbed elevation.

Telescopic probe monitoring system for riverbedelevation monitoring at bridge piers

A probe monitoring system for riverbed elevation monitoring at bridge piers is revealed. The system includes a housing, a measuring rod, a moving member, a control module, a photographic unit and a sensing unit. The housing is fixed on the pier. Both the moving member for driving the measuring rod and the control module for control of the moving member are mounted in the housing. When the control module drives the measuring rod to move downward and the sensing unit on the bottom of the measuring rod approaches the riverbed, a sensing signal is sent to the control module. Thus the moving member stops moving the measuring rod and the photographic unit takes pictures of the measuring rod to generate an image. Then the riverbed elevation is obtained according to the image or the movement of the moving member and is sent to a remote monitor unit for real-time monitoring.

Probe monitoring system for riverbed elevation monitoring at bridge piers

A monitor system for monitoring riverbed elevation changes at bridge piers is revealed. The monitor system includes a container, a rail, a holder, a photographic unit, a processor and a transmission unit. The container is disposed at a pier under the water and the rail is mounted in the container. The holder is arranged at the rail and is moved on the rail. The photographic unit is disposed on the holder to capture a monitor image of a riverbed under the water. As to the processor, it processes the monitor image so as to learn elevation change of the riverbed under the water. By the transmission unit, the riverbed elevation change is sent to a remote monitor unit so as to get the riverbed elevation according to the riverbed elevation change. Thus the riverbed elevation change at the bridge pier is monitored in real time.

Monitor system for monitoring riverbed elevation change at bridge pier

Growing community of inventors

Hsinchu, Taiwan

Wen-Yi Chang