Title:
トンネル防災システム
Document Type and Number:
Japanese Patent JP6949175
Kind Code:
B2
Abstract:
To provide a tunnel disaster prevention system capable of easily and securely automatically setting an address to a fire detector by reducing a control load of a disaster prevention receiving board side due to address setting.SOLUTION: A fire detector 14 in a tunnel is connected from a disaster prevention receiving board 10 to a signal line 12. The disaster prevention receiving board 10 transmits a test start signal having an address added thereto to the signal line 12, and the fire detector 14 receives the test start signal to start a predetermined test and sets the address included in the test start signal as an address of its own device. When detecting a fire, the fire detector 14 transmits a fire detection signal having the address of its own device added thereto to the disaster prevention receiving board 10, and the disaster prevention receiving board 10 determines a section where the fire is detected, on the basis of the address of the fire detection signal received, and reports it.SELECTED DRAWING: Figure 1
Inventors:
Sugiyama Yashou
Application Number:
JP2020106733A
Publication Date:
October 13, 2021
Filing Date:
June 22, 2020
Export Citation:
Assignee:
Hochiki Corporation
International Classes:
G08B17/00
Domestic Patent References:
| JP2006099394A | ||||
| JP2006146501A | ||||
| JP2002197555A | ||||
| JP4369796A | ||||
| JP7200962A | ||||
| JP2013105370A |
Attorney, Agent or Firm:
Susumu Takeuchi