Title:
HOT WATER SUPPLY DEVICE
Document Type and Number:
Japanese Patent JP2015215161
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a hot water supply device capable of suppressing no-water burning of a heating unit due to erroneous detection of a water flow detection unit.SOLUTION: A hot water supply device 1 includes: a heating unit 10 for heating water; a water flow detection unit 20 for detecting the presence/absence of water flow flowing into the heating unit 10; a discharge function unit 40 for discharging water heated by the heating unit 10; and a heating control unit 51 for controlling a heating amount of the heating unit 10. In the hot water supply device, in a period from the time when water starts circulating to the heating unit 10 firstly to the time when a predetermined time is elapsed, detection of the presence/absence of water flow with the water flow detection unit 20 is invalidated, and the heating control unit 51 stops heating operation of the heating unit 10.
Inventors:
WATANABE MASATO
Application Number:
JP2015172502A
Publication Date:
December 03, 2015
Filing Date:
September 02, 2015
Export Citation:
Assignee:
AISIN SEIKI
International Classes:
F24H1/10
Domestic Patent References:
| JPH02161255A | 1990-06-21 | |||
| JPH0348310A | 1991-03-01 | |||
| JPH08303854A | 1996-11-22 | |||
| JPH10115464A | 1998-05-06 | |||
| JPS61175439A | 1986-08-07 | |||
| JP5831152B2 | 2015-12-09 |
Attorney, Agent or Firm:
Ueno patent office
Noboru Ueno
Noboru Ueno