JP3326923B2 - Hot water supply control device - Google Patents
Hot water supply control deviceInfo
- Publication number
- JP3326923B2 JP3326923B2 JP28801393A JP28801393A JP3326923B2 JP 3326923 B2 JP3326923 B2 JP 3326923B2 JP 28801393 A JP28801393 A JP 28801393A JP 28801393 A JP28801393 A JP 28801393A JP 3326923 B2 JP3326923 B2 JP 3326923B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- generating means
- signal
- bypass
- operating force
- 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.)
- Expired - Lifetime
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 69
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 description 12
- 238000010079 rubber tapping Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、給湯装置の水量を調節
する瞬間式給湯装置の給湯制御に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to hot water supply control of an instantaneous hot water supply device for adjusting the amount of water in a hot water supply device.
【０００２】[0002]
【従来の技術】従来のこの種の給湯制御装置は、図５に
示すように、熱交換器１を備えた加熱路２と、熱交換器
１を迂回するバイパス路３と、バイパス路３に分流調節
弁４および逆止弁６を設け、分流調節弁４の開度を制御
することにより、加熱路２からの湯とバイパス路３から
の水との混合度合いを変更して混合温度を所定の温度に
して出湯していた。また、給湯機への総水量を調節する
ために水量弁を用いて加熱能力以上の通水量を規制する
ことも行われており、この分流調節弁４や水量弁はモー
タ５により弁体を駆動する構成が一般に用いられてい
る。2. Description of the Related Art As shown in FIG. 5, a conventional hot water supply control apparatus of this type includes a heating path 2 provided with a heat exchanger 1, a bypass path 3 bypassing the heat exchanger 1, and a bypass path 3. The flow control valve 4 and the check valve 6 are provided, and by controlling the opening degree of the flow control valve 4, the mixing degree of the hot water from the heating path 2 and the water from the bypass path 3 is changed to set a predetermined mixing temperature. The temperature was at the hot water. Also, in order to regulate the total amount of water to the water heater, a water flow valve is used to regulate the amount of water flowing beyond the heating capacity, and the flow control valve 4 and the water flow valve are driven by a motor 5 to drive a valve body. Such a configuration is generally used.
【０００３】また水量制御弁としてソレノイドによって
弁体を駆動し、このソレノイドに交流信号を重畳させて
摺動部の摩擦を低減させることも行われている。Further, a valve is driven by a solenoid as a water amount control valve, and an AC signal is superimposed on the solenoid to reduce friction of a sliding portion.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、上記従
来の給湯制御装置のモータ弁装置では速度が遅く湯温の
制御性能が悪く、ソレノイド式では水量や圧力の変化に
よって弁体が動いて水量が不安定になるばかりでなく、
圧力が高いところでは振動が発生することがあった。However, the motor valve device of the conventional hot water supply control device has a low speed and poor control performance of the hot water temperature. In the solenoid type, the valve body moves due to a change in the water amount or pressure, and the water amount is not sufficient. Not only is it stable,
Vibration sometimes occurred where the pressure was high.
【０００５】本発明は上記課題を解決するもので、安全
で安定した給湯を低コストに提供することを目的として
いる。An object of the present invention is to solve the above-mentioned problems and to provide a safe and stable hot water supply at low cost.
【０００６】[0006]
【課題を解決するための手段】上記目的を達成するため
に本発明の給湯制御装置は、以下の構成とした。In order to achieve the above object, a hot water supply control device according to the present invention has the following configuration.
【０００７】（１）熱交換器と、前記熱交換器を迂回す
るバイパス路と、前記バイパス路に設けられたバイパス
弁と、前記バイパス弁を駆動する操作力発生手段と、前
記操作力発生手段に交番操作力を重畳する交流信号発生
手段と、前記バイパス弁への操作量変化時に前記交流信
号発生手段の信号を付与し、前記バイパス弁への操作量
一定時に前記交流信号発生手段の信号を停止する発停手
段を備えたものである。(1) A heat exchanger, a bypass which bypasses the heat exchanger, a bypass valve provided in the bypass, an operating force generating means for driving the bypass valve, and the operating force generating means AC signal generating means for superimposing an alternating operation force on the bypass valve, and applying a signal of the AC signal generating means when the operation amount to the bypass valve changes , and operating the bypass valve
A start / stop unit for stopping the signal of the AC signal generation unit at a predetermined time is provided.
【０００８】（２）通水量を調節する水量弁と、前記水
量弁を駆動する操作力発生手段と、前記操作力発生手段
に交番操作力を重畳する交流信号発生手段と、前記前記
水量弁への操作量変化時に前記交流信号発生手段の信号
を付与し、前記水量弁への操作量一定時に前記交流信号
発生手段の信号を停止する発停手段を備えたものであ
る。(2) A water quantity valve for adjusting the flow rate, an operating force generating means for driving the water quantity valve, an AC signal generating means for superimposing an alternating operating force on the operating force generating means, and The signal of the AC signal generating means is applied when the operation amount changes, and the AC signal is generated when the operation amount of the water amount valve is constant.
It is provided with a start / stop means for stopping the signal of the generation means .
【０００９】[0009]
【作用】本発明は上記構成によって、弁の移動停止中に
は交番操作力を与えずに弁の摩擦力を大きくして弁が移
動しにくいようにし、弁の移動中には交番操作力を与え
て弁の摩擦力を低減して駆動するものである。According to the present invention, the valve is moved by increasing the frictional force of the valve without applying an alternating operation force while the movement of the valve is stopped.
Movement and provide alternating operation force while the valve is moving.
The valve is driven by reducing the frictional force of the valve .
【００１０】[0010]
【実施例】以下、本発明の請求項１に対応する一実施例
を図面にもとづいて説明する。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing a first embodiment of the present invention;
【００１１】図１において、熱交換器１０を介して入水
路１１と加熱路１２が直列に接続され、通水は入水路１
１、熱交換器１０、加熱路１２の順に流れる。熱交換器
１１を迂回するバイパス路１３は、入水路１１の分岐点
１４と加熱路１２先端の合流点１５に接続され、合流点
１５で加熱路１２とバイパス路１３の流れが合流し、出
湯路１６へと流れる。１７はバイパス路１３の中間に設
けたバイパス弁で、開閉信号によりバイパス路の通路の
開度を調節する。１８は合流点１５の下流に設けた出湯
検知手段で、サーミスタ等のセンサによりなり、加熱路
１２とバイパス路１３との混合温度を検知する。１９は
加熱路１２に設けた加熱検知手段で熱交換器１０の出口
温度を検知する。２０は分岐点１４の上流に設けた給水
検知手段で、給水温度を検知する。２１は入水路１１に
設けた水量検知手段で、熱交換器１０への水量を検知す
る。２２は出湯路１６から出湯される出湯温度を使用者
が任意に設定する温度設定手段、２３は給湯制御器であ
り、出湯検知手段１８と加熱検知手段１９と給水検知手
段２０と水量検知手段２１の各検出値に応じてバイパス
弁１７の開度制御を交流信号発生手段２３ａを介して操
作力発生手段２４によって行い、また加熱検知手段１９
と予め定めた設定温度との出力偏差に応じて偏差がゼロ
になるようバーナ２５への燃料量を比例弁２６の開度に
より制御する。２３ｂは交流信号発生手段２３ｂの信号
を発停する発停手段である。In FIG. 1, an inlet channel 11 and a heating channel 12 are connected in series via a heat exchanger 10, and water is passed through the inlet channel 1.
1, heat exchanger 10, and heating path 12 flow in that order. The bypass 13 bypassing the heat exchanger 11 is connected to a junction 14 of the water inlet 11 and a junction 15 at the tip of the heating path 12. At the junction 15, the flows of the heating path 12 and the bypass 13 are joined, and the hot water is discharged. It flows to road 16. Reference numeral 17 denotes a bypass valve provided in the middle of the bypass passage 13, which adjusts the degree of opening of the passage of the bypass passage based on an open / close signal. Reference numeral 18 denotes a tapping water detecting means provided downstream of the junction 15 and includes a sensor such as a thermistor, and detects a mixing temperature of the heating path 12 and the bypass path 13. 19 is a heating detecting means provided in the heating path 12 for detecting the outlet temperature of the heat exchanger 10. Reference numeral 20 denotes a water supply detecting means provided upstream of the branch point 14, and detects a water supply temperature. Reference numeral 21 denotes a water amount detecting means provided in the water inlet channel 11 for detecting the amount of water to the heat exchanger 10. Reference numeral 22 denotes a temperature setting means for arbitrarily setting a tapping temperature of the tapping water from the tapping path 16, 23 denotes a hot water supply controller, and the tapping detection means 18, the heating detection means 19, the water supply detection means 20, and the water amount detection means 21. The opening degree of the bypass valve 17 is controlled by the operating force generating means 24 via the AC signal generating means 23a in accordance with the detected values of
The fuel amount to the burner 25 is controlled by the opening of the proportional valve 26 so that the deviation becomes zero in accordance with the output deviation between the burner 25 and the preset temperature. Reference numeral 23b denotes a start / stop unit that starts / stops a signal from the AC signal generation unit 23b.
【００１２】バイパス弁１７と操作力発生手段２４につ
いて図２に基づいて説明する。バイパス弁１７には、ボ
ディ２７に流入口２８と流出口２９があり、弁口２７ａ
と弁体３０で弁を形成する。この弁口２７ａとほぼ同じ
有効受圧面積を有するダイヤフラム３１と、弁体３０に
設けられた連通孔３０ａで弁体３０に作用する流体の力
をバランスしている。操作力発生手段２４はコイル３２
に発生した磁気を、ヨーク３３と３４、鉄心３５、磁性
体３６で構成される磁気回路により弁体３０と一体の磁
性体３６を吸引し、スプリング３７の力に抗して弁体３
０の開度をコイル３２の電流値によって制御する。３８
は隔壁体で水を密封する。The bypass valve 17 and the operating force generating means 24 will be described with reference to FIG. The bypass valve 17 has an inflow port 28 and an outflow port 29 in a body 27, and a valve port 27a.
And the valve body 30 form a valve. A diaphragm 31 having substantially the same effective pressure receiving area as the valve port 27a and a communication hole 30a provided in the valve body 30 balance the fluid force acting on the valve body 30. The operating force generating means 24 is a coil 32
The magnetic body 36 integrated with the valve body 30 is attracted by a magnetic circuit composed of the yokes 33 and 34, the iron core 35, and the magnetic body 36, and the valve body 3 resists the force of the spring 37.
The opening degree of 0 is controlled by the current value of the coil 32. 38
Seals the water with a septum.
【００１３】次に動作について説明する。給湯制御器２
３は設定手段２０と出湯検知手段１８との信号を比較
し、その偏差に応じて操作力発生手段２４のコイル３２
の電流を調節する。例えば設定温度より出湯温度が高け
ればコイル電流を増加させ弁体３０を開きバイパス路１
３の水量を多くして出湯湯温を下げる。このようにコイ
ル電流を変化する時には発停手段２３ｂにより交流信号
発生手段２３ａにより交流信号を重畳して図３のＡに示
すようにコイル３２に通電している。このことにより可
変操作力発生手段２４には微少な交番操作力（ディザ）
が発生し、弁体３０には微振動が与えられその結果摩擦
力が低減される。設定温度と出湯温度がほぼ等しくなる
とコイル電流は一定値を保ち、弁体３０はその位置を変
えない。このようにコイル電流が一定の時には発停手段
２３ｂは交流信号発生手段２３ａの重畳を停止し図３の
Ｂに示すように交番操作力が作用しないので弁体３０の
摩擦力は大きくなり水流の変動によって位置を変えられ
ることはない。Next, the operation will be described. Hot water supply controller 2
3 compares the signal between the setting means 20 and the hot water detecting means 18 and, based on the deviation, the coil 32 of the operating force generating means 24.
Adjust the current of For example, if the tapping temperature is higher than the set temperature, the coil current is increased and the valve 30 is opened to open the bypass passage 1.
Increase the amount of water in step 3 to lower the temperature of the hot water. When the coil current is changed as described above, the alternating current signal is superimposed by the alternating signal generating means 23a by the start / stop means 23b, and the coil 32 is energized as shown in FIG. As a result, the variable operation force generating means 24 has a small alternating operation force (dither).
Is generated, and minute vibration is given to the valve body 30, and as a result, the frictional force is reduced. When the set temperature and the tapping temperature become substantially equal, the coil current maintains a constant value, and the valve body 30 does not change its position. As described above, when the coil current is constant, the starting / stopping means 23b stops the superposition of the AC signal generating means 23a, and the alternating operation force is not applied as shown in FIG. The position cannot be changed by the fluctuation.
【００１４】図４は請求項２に対応する一実施例であ
り、出湯路１６に設けられた水量弁３９とこの水量弁を
駆動する操作力発生手段とによって総水量をバイパス弁
１７の開度で補正して水量検知手段２１の信号によって
制御するものである。水量弁３９と操作力発生手段４０
は図２で示したものと同一である。この場合の図１の時
と同様に水量弁の開度を変化するときのみ交流発生手段
の信号を重畳する。この水量弁３９は加熱路１２に設け
てもよい。FIG. 4 shows an embodiment corresponding to claim 2, in which the total amount of water is reduced by the opening of the bypass valve 17 by means of a water amount valve 39 provided in the tapping path 16 and operating force generating means for driving the water amount valve. And is controlled by a signal from the water amount detecting means 21. Water quantity valve 39 and operating force generating means 40
Are the same as those shown in FIG. In this case, as in the case of FIG. 1, the signal of the AC generation means is superimposed only when the opening of the water quantity valve is changed. This water amount valve 39 may be provided in the heating path 12.
【００１５】交流信号発生手段２３ａの波形の大きさと
周波数は摺動摩擦力の大きさによって予め設定してある
が、累積使用時間や温度あるいは弁の開度によって変え
ることもできる。また交流信号発生手段２３ａとして、
発信回路で行う方法と、マイコンのプログラムによって
行う方法がある。The magnitude and frequency of the waveform of the AC signal generating means 23a are preset according to the magnitude of the sliding frictional force, but can be changed according to the accumulated use time, temperature, or valve opening. Further, as the AC signal generating means 23a,
There are a method using a transmission circuit and a method using a microcomputer program.
【００１６】[0016]
【発明の効果】以上のように本発明の給湯制御装置によ
れば次の効果が得られる。As described above, according to the hot water supply control device of the present invention, the following effects can be obtained.
【００１７】（１）熱交換器と、前記熱交換器を迂回す
るバイパス路と、前記バイパス路に設けられたバイパス
弁と、前記バイパス弁を駆動する操作力発生手段と、前
記操作力発生手段に交番操作力を重畳する交流信号発生
手段と、前記バイパス弁への操作量変化時に前記交流信
号発生手段の信号を付与し、前記水量弁への操作量一定
時に前記交流信号発生手段の信号を停止する発停手段を
備えたので、操作量を変化させるときには摺動摩擦力が
小さくなって制御性が良く湯温が速やかに安定し、また
操作量一定のときは摩擦力が大きいので水流によって弁
位置が変化することがなく固定されるので、混合比は一
定で湯温のふらつきがない。(1) A heat exchanger, a bypass which bypasses the heat exchanger, a bypass valve provided in the bypass, an operating force generating means for driving the bypass valve, and the operating force generating means AC signal generating means for superimposing an alternating operation force on the water supply valve, and applying a signal of the AC signal generating means when the operation amount to the bypass valve changes , so that the operation amount to the water amount valve is constant.
Sometimes, the starting and stopping means for stopping the signal of the AC signal generating means is provided, so that when the operation amount is changed, the sliding friction force is reduced, the controllability is good, and the hot water temperature is quickly stabilized , and
When the operation amount is constant, the friction force is large, so the valve
Since the position is fixed without change, the mixing ratio is
There is no fluctuation of the hot water temperature.
【００１８】（２）通水量を調節する水量弁と、前記水
量弁を駆動する操作力発生手段と、前記操作力発生手段
に交番操作力を重畳する交流信号発生手段と、前記前記
水量弁への操作量変化時に前記交流信号発生手段の信号
を付与し、前記水量弁への操作量一定時に前記交流信号
発生手段の信号を停止する発停手段を備えたので、操作
量を変化するときには摩擦力が小さくなって、制御性が
良くなり誤差の少ない正確な水量を設定できる。また操
作量一定のとき摩擦力が大きいので、水流の乱れにによ
って弁位置がふらついて発生する水量の変化をがなく、
振動も発生しない。(2) A water quantity valve for adjusting the flow rate, an operating force generating means for driving the water quantity valve, an AC signal generating means for superimposing an alternating operating force on the operating force generating means, and The signal of the AC signal generating means is applied when the operation amount changes, and the AC signal is generated when the operation amount of the water amount valve is constant.
Since there is a start / stop means to stop the signal of the generation means,
When changing the amount, the frictional force becomes smaller,
It is possible to set an accurate amount of water with better accuracy and less error. Again
When the production is constant, the frictional force is large,
There is no change in the amount of water generated due to the valve position fluctuating,
No vibration occurs.
【図１】本発明の一実施例の給湯制御装置の構成図FIG. 1 is a configuration diagram of a hot water supply control device according to an embodiment of the present invention.
【図２】同装置のバイパス弁の断面図FIG. 2 is a sectional view of a bypass valve of the device.
【図３】同装置の操作力発生手段の電流の変化を示す特
性図FIG. 3 is a characteristic diagram showing a change in current of an operating force generating means of the device.
【図４】本発明の他の実施例の給湯制御装置の構成図FIG. 4 is a configuration diagram of a hot water supply control device according to another embodiment of the present invention.
【図５】従来の給湯制御装置の構成図FIG. 5 is a configuration diagram of a conventional hot water supply control device.
１０ 熱交換器 １３ バイパス路 １７ バイパス弁 ２３ａ 交流信号発生手段 ２３ｂ 発停手段 ２４ 操作力発生手段 ３９ 水量弁 ４０ 操作力発生手段 DESCRIPTION OF SYMBOLS 10 Heat exchanger 13 Bypass path 17 Bypass valve 23a AC signal generating means 23b Starting and stopping means 24 Operating force generating means 39 Water quantity valve 40 Operating force generating means
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平５−172395（ＪＰ，Ａ) 特開 平１−199079（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) F24H 1/10 302 ────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-5-172395 (JP, A) JP-A-1-199079 (JP, A) (58) Fields investigated (Int. Cl. 7 , DB name) F24H 1/10 302
Claims (2)
パス路と、前記バイパス路に設けられたバイパス弁と、
前記バイパス弁を駆動する操作力発生手段と、前記操作
力発生手段に交番操作力を重畳する交流信号発生手段
と、前記バイパス弁への操作量変化時に前記交流信号発
生手段の信号を付与し、前記バイパス弁への操作量一定
時に前記交流信号発生手段の信号を停止する発停手段を
備えた給湯制御装置。1. A heat exchanger, a bypass which bypasses the heat exchanger, a bypass valve provided in the bypass,
Operating force generating means for driving the bypass valve, AC signal generating means for superimposing an alternating operating force on the operating force generating means, and applying a signal of the AC signal generating means when the amount of operation to the bypass valve changes , Constant operation of the bypass valve
A hot water supply control device comprising a start / stop unit for stopping a signal of the AC signal generation unit at the time.
を駆動する操作力発生手段と、前記操作力発生手段に交
番操作力を重畳する交流信号発生手段と、前記前記水量
弁への操作量変化時に前記交流信号発生手段の信号を付
与し、前記水量弁への操作量一定時に前記交流信号発生
手段の信号を停止する発停手段を備えた給湯制御装置。2. A water quantity valve for adjusting a flow rate of water, an operating force generating means for driving the water quantity valve, an AC signal generating means for superimposing an alternating operating force on the operating force generating means, A signal of the AC signal generating means is provided when the operation amount changes, and the AC signal generation is performed when the operation amount of the water amount valve is constant.
A hot water supply control device having a start / stop means for stopping a signal of the means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28801393A JP3326923B2 (en) | 1993-11-17 | 1993-11-17 | Hot water supply control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28801393A JP3326923B2 (en) | 1993-11-17 | 1993-11-17 | Hot water supply control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07139811A JPH07139811A (en) | 1995-06-02 |
| JP3326923B2 true JP3326923B2 (en) | 2002-09-24 |
Family
ID=17724685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28801393A Expired - Lifetime JP3326923B2 (en) | 1993-11-17 | 1993-11-17 | Hot water supply control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3326923B2 (en) |
-
1993
- 1993-11-17 JP JP28801393A patent/JP3326923B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH07139811A (en) | 1995-06-02 |
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