Title:
漏水検知方法および漏水検知装置
Document Type and Number:
Japanese Patent JP5673593
Kind Code:
B2
Abstract:
The water-leakage detection method according to the present invention is a method of detecting a water-leakage using a vibration sensor unit (1) including vibration sensors (12a) and (12b) and an antenna unit (2) including an antenna (21) and includes arranging the vibration sensor unit (1) under the ground; arranging the antenna unit (2) on the surface of the ground other than a part at which a manhole is placed; connecting the vibration sensor unit (1) and the antenna unit (2) via a cable; collecting data by measuring a vibration with the vibration sensors (12a) and (12b) of the vibration sensor unit (1); and sending the collected data to a controller unit (4) on the ground using short-range wireless communication (23) via the antenna unit (2) placed on the surface of the ground, thereby retrieving the data.
Inventors:
丸田 裕二
大立目 和久
大立目 和久
Application Number:
JP2012090602A
Publication Date:
February 18, 2015
Filing Date:
April 11, 2012
Export Citation:
Assignee:
日本電気株式会社
International Classes:
G01M3/24
Attorney, Agent or Firm:
Koichiro Tsujimaru
Nakayama ゆみ
So Isaji
Nakayama ゆみ
So Isaji