JPS59183240A - Control device for hot water storage type electrical water heater - Google Patents

Control device for hot water storage type electrical water heater

Info

Publication number
JPS59183240A
JPS59183240A JP58056285A JP5628583A JPS59183240A JP S59183240 A JPS59183240 A JP S59183240A JP 58056285 A JP58056285 A JP 58056285A JP 5628583 A JP5628583 A JP 5628583A JP S59183240 A JPS59183240 A JP S59183240A
Authority
JP
Japan
Prior art keywords
temperature
hot water
heating
water
water storage
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP58056285A
Other languages
Japanese (ja)
Inventor
Hideji Kubota
窪田 秀治
Kazuo Hara
原 和夫
Yoshikazu Ito
美和 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP58056285A priority Critical patent/JPS59183240A/en
Publication of JPS59183240A publication Critical patent/JPS59183240A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021Storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/10Control of fluid heaters characterised by the purpose of the control
    • F24H15/174Supplying heated water with desired temperature or desired range of temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/20Control of fluid heaters characterised by control inputs
    • F24H15/212Temperature of the water
    • F24H15/219Temperature of the water after heating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00Control of fluid heaters
    • F24H15/30Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355Control of heat-generating means in heaters
    • F24H15/37Control of heat-generating means in heaters of electric heaters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

PURPOSE:To make it possible to obtain a predetermined quantity of mixed hot water by a method wherein the temperature of hot water is detected to obtain a heating temperature so that only the amount of heat meeting the required quantity of hot water is applied a heat source. CONSTITUTION:A temp. sensor 9 detects the temperature of feed water, the heating temperature is calculated on the base of the feed water temperature detected by a temperature operating means 10 so that a predetermined quantity of the mixed hot water of a predetermined temperature is calculated. Then, when the heating temperature is calculated, the heating by a heat generating body 2 is initiated and whether or not the temperature of water in a hot water storage tank 1 reaches the heating temperature is judged from the detecting signal of the temp., sensor 9. In this case, if the heating temperature is judged to have been reached, a heat source control means 11 operates to stop the heating by the heat generating body 2 so that it is possible to reduce heat loss due to the spontaneous discharge of heat from the hot water feeder itself.

Description

【発明の詳細な説明】 本発明は石油、ガス、電気等を加熱源とする貯湯式給湯
機に関するもので、貯湯タンク内への給水温度を検知し
て、常に一定温度でかつ一定量の混合湯を供給できるよ
うな沸き上げを行おうとするものである。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a hot water storage type water heater that uses oil, gas, electricity, etc. as a heating source, and detects the temperature of water supplied to the hot water storage tank to maintain a constant temperature and a constant amount of water at all times. The idea is to boil water so that it can be supplied.

第1図は電気を加熱源とする貯湯式給湯機の場合の構造
図、第2図は従来の主要電気回路図を示すものである。
FIG. 1 is a structural diagram of a hot water storage type water heater that uses electricity as a heating source, and FIG. 2 is a conventional main electrical circuit diagram.

図において、1は貯湯タンク、2は発熱体、3は給水管
、4は給湯管、5ばコ叩り、6は貯湯タンク1の外壁面
の所定位置に設冒された自動温度調節響、7は電源であ
る。
In the figure, 1 is a hot water storage tank, 2 is a heating element, 3 is a water supply pipe, 4 is a hot water supply pipe, 5 is a cigarette lighter, 6 is an automatic temperature control device installed at a predetermined position on the outer wall of the hot water storage tank 1, 7 is a power source.

次に上記貯湯式給湯機で深夜電力を利用した場合を例に
従来の回路の作用、動作を説明すると、発熱体2は深夜
電力通電時間内に冬期の水温に相当する8℃前後の水を
85℃に沸き上げるように、その発熱体容量が予め設定
されている。
Next, the function and operation of the conventional circuit will be explained using the above-mentioned hot water storage type water heater as an example in which late-night power is used. The heating element 2 generates water at a temperature of around 8°C, which corresponds to the water temperature in winter, during the late-night power supply time. The capacity of the heating element is preset to raise the temperature to 85°C.

また、自動温度調節@6は常閉の接点を有しており、貯
湯タンク1内の水が85℃になると接点を開成して発熱
体2の*電を停止するよう構成されてお吟、貯湯タンク
1内には毎WIB5℃の湯が満たされている。
In addition, the automatic temperature control @ 6 has a normally closed contact, and is configured to open the contact and stop the electricity to the heating element 2 when the water in the hot water storage tank 1 reaches 85°C. The hot water storage tank 1 is filled with hot water at a temperature of 5° C. every WIB.

このように、貯湯式給湯機では貯湯効率を高めるため、
沸き上げ温度をできろ限り高温に設定し、その設定温度
に達すると加熱を停止する構造となっている。
In this way, in order to increase hot water storage efficiency in hot water storage type water heaters,
The boiling temperature is set as high as possible, and heating stops when the set temperature is reached.

しかし、使用者は高温湯のまま使用するのではなく、水
ど混合して40〜45℃前後の混合湯として使用する。
However, users do not use high-temperature hot water as it is, but mix it with water and use it as a mixed hot water at around 40 to 45°C.

その得られる混合湯量を求める式は次の通りである。今
貯湯タンク容量をVl(、lり、貯湯タンク内の沸き上
げ湿度を1°、(℃)、得ようとする混合湯気の温度を
tl)、混ぜ合ゎゼる水の温度(給水温度)をt、l)
とすると混合湯量V())は v = v、×全イ。
The formula for determining the amount of mixed hot water obtained is as follows. The current hot water storage tank capacity is Vl (, l, the boiling humidity in the hot water storage tank is 1°, (℃), the temperature of the mixed steam to be obtained is tl), the temperature of the mixed water (water supply temperature) t, l)
Then, the amount of mixed hot water V()) is v = v, x total i.

t −’to        ()) で表わせる。t −’to ()) It can be expressed as

この算式において、給水温度は季節によって大きく変動
する。東京では冬は5℃位から、夏8ζば27℃位才で
達する。このため、適温の混合湯として得らゎる湯量も
冬期は少な(、夏期には多いということになる。
In this formula, the water supply temperature varies greatly depending on the season. In Tokyo, the temperature starts at around 5℃ in winter and reaches around 27℃ in summer. For this reason, the amount of hot water that can be mixed at an appropriate temperature is small in the winter (and large in the summer).

今、沸き上げ温度Tつを85℃として、給水温度t。が
5℃の時に対して、27℃の時【ζ得られる混合湯量で
は1.6倍にも達する。
Now, assuming that the boiling temperature T is 85°C, the water supply temperature is t. When the temperature is 27°C, the amount of mixed hot water obtained is 1.6 times that when the temperature is 5°C.

一方、一般家庭で使用する湯量は浴用に占める比率が高
く、年間、はぼ一定が、夏は入浴。
On the other hand, a large proportion of the amount of hot water used in a typical household is for bathing, which remains fairly constant throughout the year, but for bathing in summer.

シャワーに代行するため、夏がやや少なめである。この
ため、給水温度の高い時期には、残湯として沸き上げら
れた高温を長時間使用に供さないで放電することになり
、貯湯タンク1からの自然放熱及び配管内に滞留した渇
水の放熱等による熱ロスが大きくなるという欠点を有し
ていた。
In the summer, there are fewer showers because showers are taken over. Therefore, during periods when the water supply temperature is high, the high temperature that has been boiled as residual hot water is discharged without being used for a long time, resulting in natural heat radiation from the hot water storage tank 1 and heat radiation from drought water accumulated in the piping. This has the disadvantage of increasing heat loss due to

これは、石油やガス等の他熱源による給湯機においても
沸き上げ温度を一定にする湯am御をしており、同様の
課題であった。
This is a similar problem in water heaters that use other heat sources such as oil or gas, which also control the water to keep the boiling temperature constant.

本発明はこれらの欠点を解消しようとするもので、給水
温度を参考に一定量の混合湯が常に得られるよう沸き上
げようとするものである。
The present invention attempts to eliminate these drawbacks, and attempts to boil water so that a constant amount of mixed hot water is always obtained by referring to the water supply temperature.

以下、本発明を第3図に示す一実施例の全体構成図と第
4図に示すその制御)四−チャードに基づいて説明する
Hereinafter, the present invention will be explained based on the overall configuration diagram of an embodiment shown in FIG. 3 and its control shown in FIG.

第3図において、9は貯湯タンク1内への給水温度およ
び沸き上げ温度を検出する温度センサー、10は温度セ
ンサー9で検出した給水温度から一定温度で一定量の混
合湯を形陽できるように沸き上げ温度を算出する沸き上
げ温度演算手段であり、11は前記温度センサー9がら
検出した温度が前記沸き−ヒげ温度演算手段1゜で算出
した沸き上げ温度に達した時に発熱体2による加熱を停
止するように制御する加熱源制御手段である。
In Figure 3, 9 is a temperature sensor that detects the water supply temperature and boiling temperature in the hot water storage tank 1, and 10 is a temperature sensor that detects the water supply temperature detected by the temperature sensor 9 so that a certain amount of mixed hot water can be prepared at a constant temperature. A boiling temperature calculation means 11 calculates the boiling temperature, and 11 is a heating element 2 that performs heating when the temperature detected by the temperature sensor 9 reaches the boiling temperature calculated by the boiling temperature calculation means 1°. This is a heating source control means that controls the heating source to stop the heating.

次に上記構成よりなる実施例の動作例を第4図に示す制
御フルーチャートと算式を使って詳細に説明する。
Next, an example of the operation of the embodiment having the above configuration will be explained in detail using the control flowchart and formulas shown in FIG.

まず電源が供給されて制御ブ四グラムがスタートすると
、ステップ12によって温度センサー9が貯湯タンク1
内下i温度すなわち給水温度t#を検出する。。
First, when power is supplied and the control program starts, step 12 causes the temperature sensor 9 to
The inner/lower i temperature, that is, the supply water temperature t# is detected. .

次にステップ13に進み、+8Jき−ヒげ温度演算手段
10がステ、y−f12で検出した給水温度t0に基づ
いて一定湯agt’cの混合湯が一定量V())供給で
きるように沸き−ヒげ温度Taft次式によって算出す
る。
Next, the process proceeds to step 13, where the +8J temperature calculation means 10 supplies a constant amount of mixed hot water V()) of the constant hot water agt'c based on the water supply temperature t0 detected by the step y-f12. Boil-beard temperature Taft is calculated by the following formula.

vx(t−tl、)         (”、、)−1
−2・ □寸t。
vx(t-tl,) ('',,)-1
-2・ □ dimension t.

Vl ここで、■、は貯湯タンク1の賽量である。Vl Here, ■ is the amount spent in the hot water storage tank 1.

このようにして沸き上げ温度Toが算出されると、ステ
ップ14に進み、発熱体2による加熱が開始される。そ
してステ、プ15では貯湯タンク1内の水の温度がステ
1ブ13で算出した沸き上げ温度T、に達したか否かを
温度センサー9からの検出信号を受けて判定し、沸き上
げ温度T、に達したならば、ステップ16に進んで発熱
体2による加熱を停止させるように加熱源制御手段11
が制御する。
Once the boiling temperature To has been calculated in this way, the process proceeds to step 14, where heating by the heating element 2 is started. Then, in Step 15, it is determined whether the temperature of the water in the hot water storage tank 1 has reached the boiling temperature T calculated in Step 1B 13, based on the detection signal from the temperature sensor 9, and the boiling temperature is determined by receiving the detection signal from the temperature sensor 9. When T, the heating source control means 11 proceeds to step 16 to stop the heating by the heating element 2.
is controlled by

以上のように本発明によるものは、予め設定された一定
の混合湯が得られるよう給水温度を検出して、沸き上げ
温度を求め、加熱源に対して使用湯量に見合う熱量しか
印加しないよう構成したので、給水温度の高い季節にも
必要以上の高温湯を長時間放置されることがな(なるた
め、給湯機自身からの自然放熱等による熱ロスを低減で
きるという効果を有している。
As described above, the device according to the present invention is configured to detect the supply water temperature to obtain a preset constant mixed hot water, determine the boiling temperature, and apply only the amount of heat corresponding to the amount of hot water used to the heating source. Therefore, even in seasons when the water supply temperature is high, hot water is not left unused for a long period of time (this has the effect of reducing heat loss due to natural heat radiation from the water heater itself).

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

第1図は一般的な貯湯式給湯機の構成図、第2図は従来
例の主要電気回路図、第3図はこの発明の一実施例を示
す全体構成図、第4図はその制御フローチャートを示す
。 1は貯湯タンク、2は発熱体(加熱源)、9は温度セン
サー (温度検出手段)、1oは沸き上げ温度演算手段
、11は加熱源制御手段である。 代理人 葛 野 信 −(外1名) 第1図 第3図 第4図
Fig. 1 is a block diagram of a general hot water storage type water heater, Fig. 2 is a main electric circuit diagram of a conventional example, Fig. 3 is an overall block diagram showing an embodiment of the present invention, and Fig. 4 is its control flowchart. shows. 1 is a hot water storage tank, 2 is a heating element (heating source), 9 is a temperature sensor (temperature detection means), 1o is a boiling temperature calculation means, and 11 is a heating source control means. Agent Shin Kuzuno - (1 other person) Figure 1 Figure 3 Figure 4

Claims (1)

【特許請求の範囲】[Claims] 貯湯タンク内への給水温度と沸き上げ温度を検出する温
度検出手段と、この温度検出手段で検出した給水温度か
ら一定温度かつ一定量の混合湯を採湯できるようにSき
上げ温度を算出する沸き上げ温度演算手段と、前記温度
検出手段で検出したSき上げ温度が前記Sき上げ温度演
算手段で算出した沸き上げ温度に達した時に加熱を停止
するように加熱源を制御する加熱源制御手段を備えてな
る貯湯式給湯機の制御装置。
Temperature detection means for detecting the temperature of water supplied to the hot water storage tank and the boiling temperature, and the temperature of the S boiling water calculated from the temperature of the water supply detected by the temperature detection means so that a fixed amount of mixed hot water at a constant temperature can be drawn. Boiling temperature calculating means; and heating source control for controlling a heating source so as to stop heating when the S heating temperature detected by the temperature detecting means reaches the boiling temperature calculated by the S heating temperature calculating means. A control device for a hot water storage type water heater comprising means.
JP58056285A 1983-03-31 1983-03-31 Control device for hot water storage type electrical water heater Pending JPS59183240A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58056285A JPS59183240A (en) 1983-03-31 1983-03-31 Control device for hot water storage type electrical water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58056285A JPS59183240A (en) 1983-03-31 1983-03-31 Control device for hot water storage type electrical water heater

Publications (1)

Publication Number Publication Date
JPS59183240A true JPS59183240A (en) 1984-10-18

Family

ID=13022823

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58056285A Pending JPS59183240A (en) 1983-03-31 1983-03-31 Control device for hot water storage type electrical water heater

Country Status (1)

Country Link
JP (1) JPS59183240A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762607A (en) * 2021-02-09 2021-05-07 北京舍得叔叔科技有限公司 Water storage type water heater and equivalent hot water amount measurement and control method and measurement and control device thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112762607A (en) * 2021-02-09 2021-05-07 北京舍得叔叔科技有限公司 Water storage type water heater and equivalent hot water amount measurement and control method and measurement and control device thereof
CN112762607B (en) * 2021-02-09 2022-06-28 北京舍得叔叔科技有限公司 Water storage type water heater and equivalent hot water amount measurement and control method and measurement and control device thereof

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