JPH029752U - - Google Patents

Description

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

第１図は第１請求項に記載の考案に対応する実
施例の説明図、第２図は第２請求項に記載の考案
に対応する実施例の説明図、第３図は流量測定装
置４６の詳細図、第４図は増加流量演算回路７６
と増加流量積分回路７７の関係説明図、第５図は
従来例の説明図であり、図中、 １……熱交換器、２……湯張り回路、３……給
湯回路、７……補正用水量カウンタ、８……湯張
り量記憶手段、９……比較回路、２１……水量カ
ウンタ、２２……湯張り弁、３５……出湯蛇口、
４２……水流スイツチ、４６……流量測定装置、
７１……減算回路、７６……増加流量演算回路、
７７……増加流量積分回路、７８……流量積分回
路、７９……減算回路。 FIG. 1 is an explanatory diagram of an embodiment corresponding to the invention set forth in the first claim, FIG. 2 is an explanatory diagram of an embodiment corresponding to the invention set forth in the second claim, and FIG. 4 is a detailed diagram of the increased flow rate calculation circuit 76.
5 is an explanatory diagram of the conventional example. In the diagram, 1... heat exchanger, 2... hot water filling circuit, 3... hot water supply circuit, 7... correction Water consumption counter, 8...Hot water filling amount storage means, 9...Comparison circuit, 21...Water amount counter, 22...Hot water filling valve, 35...Hot water tap,
42...Water flow switch, 46...Flow rate measuring device,
71... Subtraction circuit, 76... Increased flow rate calculation circuit,
77...Increase flow rate integration circuit, 78...Flow rate integration circuit, 79...Subtraction circuit.

Claims (1)

【実用新案登録請求の範囲】 熱交換器部分を一定時間に通過した水の量を
測定する水量カウンター２１と、上記熱交換器１
の下流側から分岐させた給湯回路３及び湯張り回
路２と、該湯張り回路２内に挿入した湯張り弁２
２とを具備し、水量カウンター２１の出力を判断
して湯張り弁２２を閉成させるようにした湯張り
機能を具備する給湯装置に於いて、総ての出湯蛇
口３５，３５より上流側に位置する給湯回路３内
に挿入された補正用水量カウンタ７と、熱交換器
１部分を一定時間に通過した水の量を測定する上
記水量カウンター２１の出力と前記補正用水量カ
ウンタ７の出力の差を演算する減算回路７１と、
該減算回路７１から出力される減算値と予め設定
された湯張り目標量を記憶する湯張量記憶手段８
の出力を比較して前者の減算値が後者の目標値以
上になつたときに信号を出す比較回路９を設け、
該比較回路９の出力信号によつて湯張り回路２に
挿入した湯張り弁２２を閉じるようにした湯張り
機能を具備する給湯装置。 熱交換器１の下流側から分岐させた湯張り回
路２及び給湯回路３と、前者の湯張り回路２内に
挿入した湯張り弁２２と、後者の給湯回路３に設
けた水流スイツチ４２と、上記湯張り回路２及び
給湯回路３の両者の上流側流路内に挿入され且つ
該流路内を単位時間に流れる水の量を測定する流
量測定装置４６と、上記給湯回路３に設けた水流
スイツチ４２がＯＮ動作した際に増加する前記流
量測定装置４６の出力増加分を演算する為の増加
流量演算回路７６と、該増加流量演算回路７６の
出力を時間的に積分する増加流量積分回路７７と
、上記流量測定装置４６の出力をそのまま時間積
分する流量積分回路７８と、該流量積分回路７８
及び前記増加流量積分回路７７の出力差を演算す
る減算回路７９と、該減算回路７９から出る減算
出力と予め設定された湯張り目標量を記憶する湯
張量記憶手段８の出力を比較して前者の減算出力
が後者の湯張り目標値以上になつたときに信号を
出す比較回路９を設け、該比較回路９の出力によ
つて湯張り回路２に挿入した湯張り弁２２を閉じ
るようにした湯張り機能を具備する給湯装置。[Claims for Utility Model Registration] A water volume counter 21 that measures the amount of water that passes through the heat exchanger part in a certain period of time, and the heat exchanger 1
A hot water supply circuit 3 and a hot water filling circuit 2 branched from the downstream side of the hot water filling circuit 2, and a hot water filling valve 2 inserted into the hot water filling circuit 2.
2, in a water heater equipped with a hot water filling function that closes the hot water filling valve 22 by determining the output of the water flow counter 21, the hot water taps 35, 35 are provided with The output of the correction water amount counter 7 inserted into the hot water supply circuit 3 located in the hot water supply circuit 3, the output of the water amount counter 21 that measures the amount of water passing through the heat exchanger 1 portion in a certain period of time, and the output of the correction water amount counter 7. a subtraction circuit 71 that calculates a difference;
Hot water filling amount storage means 8 that stores the subtracted value output from the subtraction circuit 71 and a preset hot water filling target amount.
A comparison circuit 9 is provided which compares the outputs of and outputs a signal when the subtracted value of the former exceeds the target value of the latter,
A water heater equipped with a hot water filling function in which a hot water filling valve 22 inserted into a hot water filling circuit 2 is closed in response to an output signal of the comparison circuit 9. A hot water filling circuit 2 and a hot water supply circuit 3 branched from the downstream side of the heat exchanger 1, a hot water filling valve 22 inserted in the former hot water filling circuit 2, and a water flow switch 42 provided in the latter hot water supply circuit 3, A flow measuring device 46 that is inserted into the upstream flow path of both the hot water filling circuit 2 and the hot water supply circuit 3 and measures the amount of water flowing in the flow path per unit time, and a water flow provided in the hot water supply circuit 3. An increased flow rate calculation circuit 76 for calculating the increase in the output of the flow rate measuring device 46 that increases when the switch 42 is turned on, and an increased flow rate integration circuit 77 that integrates the output of the increased flow rate calculation circuit 76 over time. , a flow rate integration circuit 78 that time-integrates the output of the flow rate measurement device 46 as it is, and the flow rate integration circuit 78
and a subtraction circuit 79 that calculates the output difference of the increased flow rate integration circuit 77, and a comparison between the subtraction output from the subtraction circuit 79 and the output of the hot water filling amount storage means 8 that stores a preset hot water filling target amount. A comparison circuit 9 is provided which outputs a signal when the former's subtraction output exceeds the latter's hot water filling target value, and the hot water filling valve 22 inserted into the hot water filling circuit 2 is closed by the output of the comparison circuit 9. A water heater equipped with a hot water filling function.