ApplicationNo./PatentNo.: 2004 100505 19
The invention relates to an intelligent tap water anti-running controller, which consists of a microprocessor, a timing circuit, a latch, a display circuit, a pulse generating circuit, an address decoder, a parallel interface, a watchdog, an input keyboard and an on-off output circuit, wherein the microprocessor is a core device, connected with the display circuit through the latch, connected with the on-off output circuit and the input keyboard through the parallel interface, and its digital input port is connected with the output signal of the timing circuit, and its counting port is connected with the pulse generating circuit; The strobe signal output by the address decoder is respectively connected with the timing circuit, the latch, the display circuit, the watchdog and the parallel interface, and the reset end of the watchdog is connected with the microprocessor. The water supply solenoid valve is used for automatically closing the water supply solenoid valve to prevent water leakage when the continuous water use time of the family exceeds a certain value (abnormal water use). The structure is simple, reliable and practical.
Date of application: September 27th, 2004.
Open day: April 5, 2006
Announcement date of authorization: February, 2008 13.
Applicant/patentee: Shenyang Institute of Automation, China Academy of Sciences.
Applicant's address:No. Nanta Street 1 14, Dongling District, Shenyang City, Liaoning Province.
Inventor: Li Lingqi; Wu Jinghui
Patent agency: Shenyang Keyuan Patent and Trademark Agency Co., Ltd.
Authorized Agents: Xu Zongfu, Zhou Xiumei.
Patent type: invention patent
Classification number: G05B15/02; g05d 7/00； g05d 7/06·06