JPS6186639U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例を示す全体構成図、第２図は同
例における制御回路のブロツク図、第３図は本考
案の一実施例を示す全体構成図、第４図は同例に
おける要部回路図である。 １……熱交換器、２……ガスバーナ、８……給
水温検出器、９……水制御弁、１２……能力設定
器、１５……制御器、２３……給湯温検出器。 Fig. 1 is an overall configuration diagram showing a conventional example, Fig. 2 is a block diagram of a control circuit in the same example, Fig. 3 is an overall configuration diagram showing an embodiment of the present invention, and Fig. 4 is a main part of the same example. It is a circuit diagram. DESCRIPTION OF SYMBOLS 1... Heat exchanger, 2... Gas burner, 8... Water supply temperature detector, 9... Water control valve, 12... Capacity setting device, 15... Controller, 23... Water supply temperature detector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 熱交換器と熱交換器を加熱するガスバーナと、
水制御弁と、上記ガスバーナの燃焼量を可変する
能力設定器と、給水温検出器からの給水温度と設
定温度と能力設定器の設定能力とに基づいて制御
水量を演算する制御器とを備え、当該演算出力に
より上記水制御弁を制御するようにしたものにお
いて、前記熱交換器下流の水路に給湯温検出器を
設け、該検出器からの給湯温度に基づき上記制御
水量を補正する手段を備えたことを特徴とする瞬
間湯沸器。 a heat exchanger and a gas burner that heats the heat exchanger;
It includes a water control valve, a capacity setting device that varies the combustion amount of the gas burner, and a controller that calculates the control water amount based on the feed water temperature and set temperature from the feed water temperature detector and the setting capacity of the capacity setting device. , in which the water control valve is controlled by the calculation output, a hot water temperature detector is provided in the water channel downstream of the heat exchanger, and means for correcting the control water amount based on the hot water temperature from the detector is provided. An instantaneous water heater characterized by: