JPS602838A - Hot water supplying device - Google Patents

Hot water supplying device

Info

Publication number
JPS602838A
JPS602838A JP58109541A JP10954183A JPS602838A JP S602838 A JPS602838 A JP S602838A JP 58109541 A JP58109541 A JP 58109541A JP 10954183 A JP10954183 A JP 10954183A JP S602838 A JPS602838 A JP S602838A
Authority
JP
Japan
Prior art keywords
water
water quantity
signal
amount
water flow
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.)
Granted
Application number
JP58109541A
Other languages
Japanese (ja)
Other versions
JPH0416689B2 (en
Inventor
Masaji Yamauchi
山内 正次
Yukio Nagaoka
行夫 長岡
Yoshio Yamamoto
山本 芳雄
Keijiro Kunimoto
国本 啓次郎
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority to JP58027940A priority Critical patent/JPS59153060A/en
Priority to JP58044928A priority patent/JPS59170639A/en
Priority to JP58044938A priority patent/JPS59170640A/en
Priority to JP58046245A priority patent/JPS59173649A/en
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58109541A priority patent/JPS602838A/en
Priority to JP58169624A priority patent/JPS6062549A/en
Publication of JPS602838A publication Critical patent/JPS602838A/en
Publication of JPH0416689B2 publication Critical patent/JPH0416689B2/ja
Granted legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00Pneumatic or hydraulic massage

Landscapes

  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Control For Baths (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

PURPOSE:To provide a massage effect when a shower is used and to express the variation in a water quantity by a sound wave by varying the water quantity in a timing manner and generating the wave in synchronization with the variation in the water quantity. CONSTITUTION:When water is started to be fed, water fed into a water quantity controller 1 is flowed through a water quantity regulation valve 10 to a heat exchanger 11, heated and supplied externally from a hot water output tube 12. A signal is fed from a signal generator 17 to a drive motor 15, and the valve 10 is rotated normally or reversely. The throttle of a valve hole 10a is varied by the rotation of the valve 10, the differential pressure of the hole 10a is acted on a diaphragm 7 to drive a control valve 4, thereby altering the water quantity. Thus, the water quantity is varied in a timing manner. The variation in the water quantity is detected by a water quantity sensor 19, a sound generator 21 is driven by a sound wave generator 20, and the variation in the water quantity is expressed by sound.

Description

【発明の詳細な説明】 産業上の利用分野 本発明はガス湯沸器などの給湯装置の水量制御装置に関
するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a water flow rate control device for a water heater such as a gas water heater.

従来例の構成とその問題点 給湯器の分野において給湯温度を検出し、ガス量と水量
を調節する方法は既に知られている。
2. Description of the Related Art Conventional Structure and Problems There are already known methods in the field of water heaters for detecting the temperature of hot water and adjusting the amount of gas and water.

第1図に示すようにバーナAと燃料制御弁Bと熱交換器
Cとを有し、給湯温度を検出する温度検出器りと温度設
定器の出力を比較する比較器Eとこの比較器Eの出力に
応じて通水路の調節弁Fと燃料制御弁Bを制御するもの
である。
As shown in Fig. 1, it has a burner A, a fuel control valve B, and a heat exchanger C, and a comparator E that compares the output of a temperature sensor that detects the hot water temperature and a temperature setting device. The control valve F and the fuel control valve B of the flow passage are controlled according to the output of the flow channel.

この従来例では、定常時は一定水量であシ時間的に変化
させて使用するものではなかった。
In this conventional example, the amount of water is constant during normal operation, and the amount of water is not changed over time.

発明の目的 本発明は、給湯装置を使用する場合、水量を刻々と時間
的に変化させ、特にシャワー使用時にマッサージ効果を
持たせるとともに、前記水量変化を音波により表現させ
ることを目的とする。
OBJECTS OF THE INVENTION It is an object of the present invention to change the amount of water moment by moment when using a water heater, to provide a massage effect especially when using a shower, and to express the change in the amount of water using sound waves.

発明の構成 この目的を達成させるため、本発明は給湯装置に水量制
御器と、前記水量制御器を駆動する駆動装置と、水量を
時間的に変化させる駆動信号を送出する信号発生器と、
給湯装置の水量変化と同期して=倍波信号を発生する音
波発生回路と、前記音波発生回路により1駆動される発
音体を設け、使用者に、水量変化を音波で知らせる構成
とした。
Structure of the Invention In order to achieve this object, the present invention provides a water heater with a water flow controller, a drive device that drives the water flow controller, and a signal generator that sends a drive signal that changes the water flow over time.
A sound wave generation circuit that generates a harmonic signal in synchronization with a change in the amount of water in the water heater, and a sounding body that is driven by the sound wave generation circuit are provided to notify the user of changes in the amount of water using sound waves.

実施例の説明 本発明の一実施例をガス湯沸器に応用する場合について
第2図〜第3図で説明する。
DESCRIPTION OF THE EMBODIMENTS A case in which an embodiment of the present invention is applied to a gas water heater will be described with reference to FIGS. 2 and 3.

第2図において、1は水量制御器で水は流入路2から弁
室3へ入り、制御弁4と制御孔5との隙間を通って一火
室6へ流入する。了は制御弁4と共動するダイヤフラム
で、その他面側は二次室を形成し、二次室8には制御ス
プリング9があって一火室6へ付勢している。−火室6
へ流入した水は、水量調節弁1oの弁孔10aを通り熱
交換器11へ供給されて加熱され出湯管12へ供給され
る。水量調節弁10の下流側は連通孔13で二次室8へ
導かれている。水量調節弁1oはギヤ14とモータ15
からなる駆動装置16によって駆動される。水量調節弁
1oの回転によって弁孔102Lの位置が変わり、弁孔
10aを通過する水量に対する差圧の関係が変化し、そ
の差圧がダイヤフラム7へ作用し、制御弁4を駆動する
。17は駆動装置16を駆動する信号等を発生する信号
発生器である。
In FIG. 2, reference numeral 1 denotes a water flow rate controller, and water enters a valve chamber 3 through an inflow path 2, passes through a gap between a control valve 4 and a control hole 5, and flows into a fire chamber 6. The rear side is a diaphragm that operates together with the control valve 4, and the other side forms a secondary chamber, and the secondary chamber 8 has a control spring 9 that biases it toward the first fire chamber 6. -Firebox 6
The water that has flowed into the water flow is supplied to the heat exchanger 11 through the valve hole 10a of the water flow control valve 1o, heated, and supplied to the hot water outlet pipe 12. The downstream side of the water flow control valve 10 is led to the secondary chamber 8 through a communication hole 13 . The water flow control valve 1o has a gear 14 and a motor 15.
It is driven by a drive device 16 consisting of. The position of the valve hole 102L changes with the rotation of the water flow control valve 1o, and the relationship between the differential pressure and the amount of water passing through the valve hole 10a changes, and the differential pressure acts on the diaphragm 7 to drive the control valve 4. A signal generator 17 generates signals for driving the drive device 16.

18はサーミスタ等の感熱素子で、熱交換器11で熱交
換された湯温を検出するもので、信号発生器17へ接続
されている。
Reference numeral 18 denotes a heat-sensitive element such as a thermistor, which detects the temperature of the water heat exchanged in the heat exchanger 11, and is connected to the signal generator 17.

19は水量に応じて電気信号を発生する水量センサで、
信号発生器17に電気的に接続されている凸 そして、信号発生器17から前記水量センサ19の信号
を音波発生回路2oに供給し、前記音波発生回路20は
、ブザーもしくは、スピーカー等ノ発音体21を駆動さ
せ音波を発生させる。前記発音体21は浴室内に設置す
る浴室リモコンボックス22に設けである。
19 is a water flow sensor that generates an electric signal according to the water flow;
A convex electrically connected to a signal generator 17, and a signal from the water amount sensor 19 is supplied from the signal generator 17 to a sound wave generating circuit 2o, and the sound wave generating circuit 20 is a sounding body such as a buzzer or a speaker. 21 to generate sound waves. The sounding body 21 is installed in a bathroom remote control box 22 installed in the bathroom.

一方加tガス供給路23よりガス量を連続的に可変でき
る比例制御弁等のガス量調節装置24を通って、加熱装
置25で燃焼し、熱交換器11を加熱する。
On the other hand, the tungsten gas supply path 23 passes through a gas amount adjusting device 24 such as a proportional control valve that can continuously vary the gas amount, and is combusted in a heating device 25 to heat the heat exchanger 11.

次に動作について説明する。第2図で通水が開始される
と水量制御器1へ流入した水は、水量調節弁10を通過
し熱交換器へ流入し、加熱されて ゛出湯管12から外
部に供給される。水が流れたことによってフロースイッ
チ(図示せず)が作動し、加熱装置25の燃焼が開始し
湯温か上昇し始める。
Next, the operation will be explained. When the water flow starts in FIG. 2, the water that has flowed into the water flow controller 1 passes through the water flow control valve 10, flows into the heat exchanger, is heated, and is supplied to the outside from the hot water outlet pipe 12. As the water flows, a flow switch (not shown) is activated, the heating device 25 starts to burn, and the temperature of the water starts to rise.

使用者の好みに応じて、信号発生器17に設定される設
定湯温と感熱素子18の検出湯温か等しくなるようにガ
ス量制御装置24を信号発生器17が調節し湯温を安定
させる。その後、信号発生器17から駆動モータ15へ
信号が送出され、水量調節弁10を正転あるいは逆転さ
せる。水量調節弁1oの回転によって弁孔IQaの絞り
が変化し弁孔10aの差圧がダイヤフラム7に作用シテ
、制御弁4を駆動し、水量の変更が行なわれる。信号発
生器17の送出する信号によって水量は刻々と変化する
According to the user's preference, the signal generator 17 adjusts the gas amount control device 24 so that the hot water temperature set in the signal generator 17 is equal to the hot water temperature detected by the heat-sensitive element 18, thereby stabilizing the hot water temperature. Thereafter, a signal is sent from the signal generator 17 to the drive motor 15, causing the water flow control valve 10 to rotate forward or reverse. The rotation of the water flow control valve 1o changes the restriction of the valve hole IQa, and the differential pressure across the valve hole 10a acts on the diaphragm 7, driving the control valve 4 and changing the water flow. The amount of water changes every moment depending on the signal sent by the signal generator 17.

第3図に水量の時間的変化を示す。このように水量が刻
々と変化するのでシャワーに使用すれば快い刺激1とな
ってマツサージ効果を有する。
Figure 3 shows the temporal changes in water volume. Since the amount of water changes from moment to moment, when used in the shower it becomes a pleasant stimulus 1 and has a pine surge effect.

水量の変化の度合は、加熱装置23の加熱能力や熱交換
器11の熱容量に応じてあらかじめ設定された範囲内で
行なわれる。
The degree of change in the amount of water is within a preset range depending on the heating capacity of the heating device 23 and the heat capacity of the heat exchanger 11.

水量の変化を水量センサ19で検出し、信号発生器17
を介して、音波発生回路20により浴室内に設置するシ
ャワーリモコンボックス22に設けた発音体21を駆動
し、音により水量変化を表現させる。
The change in water amount is detected by the water amount sensor 19, and the signal generator 17
Through the sound wave generating circuit 20, a sounding body 21 provided in a shower remote control box 22 installed in the bathroom is driven, and changes in water volume are expressed by sound.

つまり、水量変化に応じて発音体21でリズム音を発生
させるものである。
In other words, the sounding body 21 generates rhythmic sounds in response to changes in the amount of water.

ところで、水量変化を信号発生器17の信号で制御でき
る構成なので、信号発生器17によって楽譜の音階や、
リメ人の強弱に合わせて水量変化全妬こともできる。し
たがって、シャワーを浴びながら前記楽譜のメロディを
スピーカー等の発音体から浴室に流し、合わせてその水
量も変化させることもできる0 本実施例では、水量変化と音波を同期させるため、水量
セッサ19の信号を信号発生器17に送出し、音波発生
回路20ば、信号発生器17の信号を受けて発音体を駆
動させている。しかし、水量セッサ19の信号を直接、
音波発生回路2oを送出し、発音体21を駆動してもよ
く、又、水量セッサ19を用いないで信号発生器17の
信号を音波発生回路20に送出し発音体21を駆動し、
水量変化を音波として表現してもよい。
By the way, since the configuration is such that the change in water amount can be controlled by the signal from the signal generator 17, the signal generator 17 can be used to change the musical scale of the musical score,
You can also change the amount of water according to the strength of the people. Therefore, while taking a shower, the melody of the musical score can be played into the bathroom from a sounding device such as a speaker, and the amount of water can be changed accordingly.In this embodiment, in order to synchronize changes in water amount with sound waves, the water amount sensor 19 The signal is sent to the signal generator 17, and the sound wave generating circuit 20 receives the signal from the signal generator 17 to drive the sounding body. However, if the signal from the water flow sensor 19 is directly transmitted,
The sound wave generating circuit 2o may be sent to drive the sounding body 21, or the signal from the signal generator 17 may be sent to the sound wave generating circuit 20 to drive the sounding body 21 without using the water volume sensor 19.
Changes in water volume may also be expressed as sound waves.

発明の効果 以上述べたように本発明は、シャワー使用時に水量を時
間的に変化させるので、マツサージ効果が期待でき、快
適なシャワーとなる。
Effects of the Invention As described above, the present invention changes the amount of water over time during shower use, so a pine surge effect can be expected, resulting in a comfortable shower.

また、水量変化をブザーやスピーカー等の発音体からの
音により使用者に知らせるため、手や肌で触って見て感
じる程度のわずかな変化も強調して表現できる。寸だ、
水量変化のさせ方を信号発生器で制御できるので、音楽
的リズムや、楽譜の音階やメロディにあわせることもで
き、シャワーを゛楽しくリラックスして浴びることがで
きる。
In addition, since the user is notified of changes in the amount of water by sound from a sounding device such as a buzzer or speaker, even slight changes that can be felt by touching and seeing with the hands or skin can be emphasized and expressed. It's a size.
Since the amount of water changes can be controlled using a signal generator, it can be matched to musical rhythms, musical scales, and melodies, making showering enjoyable and relaxing.

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

第1図は従来の給湯装置の構成図、第2図は本発明の給
湯装置の一実施例の構成図、第3図は同装置の水量変化
を示す特性図である。 1・・・・・・水量制御器、11・・・・熱交換器、1
6・・・駆動装置、17・・・・・・信号発生器、19
・・・・・水量センサ、2o・・・・・・音波発生回路
、21・・・・・・発音体、22・・・・・・浴室リモ
コンボックス。 代理人の氏名 弁理士 中 尾 敏 男 ほか1名第1
図 1: 第2図 ?
FIG. 1 is a block diagram of a conventional water heater, FIG. 2 is a block diagram of an embodiment of the water heater of the present invention, and FIG. 3 is a characteristic diagram showing changes in the amount of water in the water heater. 1...Water flow controller, 11...Heat exchanger, 1
6... Drive device, 17... Signal generator, 19
...Water amount sensor, 2o...Sound wave generation circuit, 21...Sounding body, 22...Bathroom remote control box. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 1: Figure 2?

Claims (5)

【特許請求の範囲】[Claims] (1)熱交換器と、前記熱交換器を加熱する加熱装置と
、前記熱交換器と直列に接続した水量制御器と、前記水
量制御器を駆動する駆動装置と、前記水量制御器の通水
量を時間的に変化させる信号を前記駆動装置に送出する
信号発生器を備え、前記水量制御器の水量変化と同期し
て音波信号を発生する音波発生回路と、前記音波発生回
路により駆動される発音体を有する給湯装置。
(1) A heat exchanger, a heating device that heats the heat exchanger, a water flow controller connected in series with the heat exchanger, a drive device that drives the water flow controller, and communication between the water flow controller. comprising a signal generator that sends a signal that changes the amount of water over time to the driving device, and a sonic wave generating circuit that generates a sonic signal in synchronization with a change in the water amount of the water amount controller; A water heater with a sounding body.
(2)発音体は、ブザーもしくはスピーカで構成する特
許請求の範囲第1項記載の給湯装置。
(2) The water heater according to claim 1, wherein the sounding body is a buzzer or a speaker.
(3)音波発生回路は、信号発生器の信号を受けて発音
体を駆動する構成とした特許請求の範囲第1項記載の給
湯装置。
(3) The water heater according to claim 1, wherein the sound wave generating circuit is configured to drive the sounding body in response to a signal from a signal generator.
(4)音波発生回路は、水都IJ(Ml&)通水量を測
定する水量センサの信号を受けて発音体を駆動する構成
とした特許請求の範囲第1項記載の給湯装置0
(4) The water heater 0 according to claim 1, wherein the sound wave generation circuit is configured to drive the sounding body in response to a signal from a water flow sensor that measures the water flow rate of Suito IJ (Ml&).
(5)発音体を、浴室リモコンボックスに設けた構成で
ある特許請求の範囲第1項記載の給湯装置。
(5) The water heater according to claim 1, wherein the sounding body is provided in a bathroom remote control box.
JP58109541A 1983-02-22 1983-06-17 Hot water supplying device Granted JPS602838A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP58027940A JPS59153060A (en) 1983-02-22 1983-02-22 Hot water feeder
JP58044928A JPS59170639A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58044938A JPS59170640A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58046245A JPS59173649A (en) 1983-02-22 1983-03-18 Hot water supply system
JP58109541A JPS602838A (en) 1983-02-22 1983-06-17 Hot water supplying device
JP58169624A JPS6062549A (en) 1983-02-22 1983-09-14 Hot water supply system

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP58027940A JPS59153060A (en) 1983-02-22 1983-02-22 Hot water feeder
JP58044928A JPS59170639A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58044938A JPS59170640A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58046245A JPS59173649A (en) 1983-02-22 1983-03-18 Hot water supply system
JP58109541A JPS602838A (en) 1983-02-22 1983-06-17 Hot water supplying device
JP58169624A JPS6062549A (en) 1983-02-22 1983-09-14 Hot water supply system

Publications (2)

Publication Number Publication Date
JPS602838A true JPS602838A (en) 1985-01-09
JPH0416689B2 JPH0416689B2 (en) 1992-03-24

Family

ID=38353342

Family Applications (6)

Application Number Title Priority Date Filing Date
JP58027940A Granted JPS59153060A (en) 1983-02-22 1983-02-22 Hot water feeder
JP58044938A Granted JPS59170640A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58044928A Granted JPS59170639A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58046245A Granted JPS59173649A (en) 1983-02-22 1983-03-18 Hot water supply system
JP58109541A Granted JPS602838A (en) 1983-02-22 1983-06-17 Hot water supplying device
JP58169624A Granted JPS6062549A (en) 1983-02-22 1983-09-14 Hot water supply system

Family Applications Before (4)

Application Number Title Priority Date Filing Date
JP58027940A Granted JPS59153060A (en) 1983-02-22 1983-02-22 Hot water feeder
JP58044938A Granted JPS59170640A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58044928A Granted JPS59170639A (en) 1983-02-22 1983-03-17 Hot water feeder
JP58046245A Granted JPS59173649A (en) 1983-02-22 1983-03-18 Hot water supply system

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP58169624A Granted JPS6062549A (en) 1983-02-22 1983-09-14 Hot water supply system

Country Status (1)

Country Link
JP (6) JPS59153060A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001049721A (en) * 1999-08-10 2001-02-20 Matsushita Electric Works Ltd Private parts washing device
CN108613364A (en) * 2018-04-23 2018-10-02 广东万家乐燃气具有限公司 A kind of constant temperature of water heater bath system and method
CN114165926B (en) * 2021-11-05 2023-03-14 华帝股份有限公司 Fluctuating water pressure control method of gas water heater and gas water heater

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5725944B2 (en) * 1975-05-12 1982-06-01
JPS565543A (en) * 1979-06-26 1981-01-21 Fuji Photo Film Co Ltd Silver halide color photosensitive material
JPS5672292A (en) * 1979-11-19 1981-06-16 Matsushita Electric Ind Co Ltd System for controlling ventilation
JPS6136124Y2 (en) * 1980-07-21 1986-10-20
JPS5812947A (en) * 1981-07-16 1983-01-25 Matsushita Electric Ind Co Ltd Water controller
JPS5837448A (en) * 1981-08-28 1983-03-04 Toto Ltd Water quantity control device for hot water supplying machine
JPS5862452A (en) * 1981-10-08 1983-04-13 Matsushita Electric Ind Co Ltd Heating operation controlling apparatus

Also Published As

Publication number Publication date
JPH0377419B2 (en) 1991-12-10
JPH0372901B2 (en) 1991-11-20
JPS59173649A (en) 1984-10-01
JPH0377420B2 (en) 1991-12-10
JPH0416689B2 (en) 1992-03-24
JPS6062549A (en) 1985-04-10
JPH04182B2 (en) 1992-01-06
JPS59170639A (en) 1984-09-26
JPS59153060A (en) 1984-08-31
JPS59170640A (en) 1984-09-26
JPH0378539B2 (en) 1991-12-16

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