JPS6346332B2 - - Google Patents
Info
- Publication number
- JPS6346332B2 JPS6346332B2 JP55006205A JP620580A JPS6346332B2 JP S6346332 B2 JPS6346332 B2 JP S6346332B2 JP 55006205 A JP55006205 A JP 55006205A JP 620580 A JP620580 A JP 620580A JP S6346332 B2 JPS6346332 B2 JP S6346332B2
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- heating
- temperature
- control
- circuit
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 238000010438 heat treatment Methods 0.000 claims description 30
- 239000000446 fuel Substances 0.000 claims description 9
- 239000008236 heating water Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Landscapes
- Steam Or Hot-Water Central Heating Systems (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、暖房水循環回路に給湯用間接加熱
式熱交換器たとえば給湯用加熱コイルを設けて給
湯水回路の給湯水を間接加熱する給湯暖房機の制
御装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a hot water supply heating system in which hot water in the hot water supply circuit is indirectly heated by providing an indirect heating type heat exchanger for hot water supply, such as a heating coil for hot water supply, in the heating water circulation circuit. This relates to the control device of the machine.
従来、暖房温度制御回路と給湯温度制御回路と
を別々に設けて、暖房時および給湯時にそれぞれ
燃料供給弁をオンオフ制御するものが考えられた
（たとえば特公昭60−45327号）。
Conventionally, a heating temperature control circuit and a hot water supply temperature control circuit were provided separately to control the fuel supply valve on and off during heating and hot water supply respectively (for example, Japanese Patent Publication No. 45327/1983).
しかし、回路構成が複雑でありかつ安定した温
度制御ができないという欠点があつた。
However, the disadvantages are that the circuit configuration is complicated and stable temperature control cannot be achieved.
したがつて、この発明の目的は、回路構成を簡
単にできるとともに安定した温度制御ができる給
湯暖房機の制御装置を提供することである。 SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a control device for a hot water heater that has a simple circuit configuration and can perform stable temperature control.
この発明の給湯暖房機の制御装置は、給湯用間
接加熱式熱交換器を有する暖房水循環回路に設け
た温度センサと、この温度センサの信号により燃
料供給用の比例制御弁を制御して暖房温度を制御
する暖房制御回路を有する制御部と、この制御部
を介して前記温度センサの信号により前記比例制
御弁を給湯温度に調整制御する温度調節回路と、
給湯使用時に前記温度調節回路を前記制御部に接
続するとともに前記暖房制御回路を開路する給湯
用スイツチ手段とを備えたものである。
The control device for a hot water heater of the present invention includes a temperature sensor provided in a heating water circulation circuit having an indirect heating type heat exchanger for hot water supply, and a signal from this temperature sensor to control a proportional control valve for fuel supply to control the heating temperature. a temperature adjustment circuit that adjusts and controls the proportional control valve to the hot water temperature using a signal from the temperature sensor via the control unit;
The hot water supply switch means connects the temperature adjustment circuit to the control section and opens the heating control circuit when hot water is used.
この発明の構成によれば、温度調節回路により
給湯時に給湯温度が高温から低温まで自由に得ら
れるとともに、制御部を暖房温度制御だけでなく
給湯湯温制御にも使用しているため回路構成を簡
単にすることができる。しかも比例制御弁を用い
ているので安定した温度制御が得られる。
According to the configuration of this invention, the temperature control circuit allows the hot water temperature to be freely obtained from high to low during hot water supply, and the control section is used not only for heating temperature control but also for hot water supply temperature control, so the circuit configuration can be simplified. It can be done easily. Moreover, since a proportional control valve is used, stable temperature control can be obtained.
この発明の一実施例を図面に基づいて説明す
る。すなわち、１は商用電源、２は運転スイツ
チ、３は降圧トランス、４は整流器、５は平滑用
コンデンサでその出力端Ａ、Ｂに直流電源が得ら
れる。
An embodiment of the present invention will be described based on the drawings. That is, 1 is a commercial power source, 2 is an operation switch, 3 is a step-down transformer, 4 is a rectifier, and 5 is a smoothing capacitor, and DC power is obtained at output terminals A and B.
６は主燃料供給弁、７は炎検出器で炎検出素子
８を有し、通電により動作して炎検出により自己
保持する接点９および炎検出により切り換わる切
換接点１０を有する。１１は点火器で放電電極１
２を有する。 6 is a main fuel supply valve; 7 is a flame detector having a flame detection element 8; a contact 9 that operates when energized and self-maintains when flame is detected; and a switching contact 10 that switches when flame is detected. 11 is the igniter and discharge electrode 1
It has 2.
１３は給湯水栓の開閉に連動して動作する水圧
応動スイツチなどで構成される給湯フロースイツ
チ、１４は手動の暖房スイツチ、１５は暖房水循
環回路に設けたサーミスタなどの温度センサ、１
６は比例制御回路で構成された制御部、１７は制
御部１６により駆動制御される燃料供給用の比例
制御弁、１８は温水循環ポンプ駆動用リレー、１
９はそのリレー接点、２０は温水循環ポンプであ
る。 13 is a hot water supply flow switch consisting of a water pressure responsive switch that operates in conjunction with the opening and closing of a hot water faucet; 14 is a manual heating switch; 15 is a temperature sensor such as a thermistor installed in the heating water circulation circuit;
Reference numeral 6 denotes a control unit composed of a proportional control circuit, 17 a proportional control valve for fuel supply driven and controlled by the control unit 16, 18 a relay for driving a hot water circulation pump, 1
9 is its relay contact, and 20 is a hot water circulation pump.
２１は給湯フロースイツチ１３のオン動作で動
作するスイツチング回路を実施例とする給湯用ス
イツチ手段で温度センサ１５と直列に温度調節回
路を構成する温度調節用抵抗器２２とダイオード
２３を接続する。２４は暖房スイツチ１４のオン
動作で動作する暖房制御回路用のスイツチング回
路で温度センサ１５と直列に暖房制御回路を構成
する暖房用抵抗器２５を接続する。また、２６は
制限用抵抗、２７は定電圧ダイオードで制御部１
６の電源を構成する。 Reference numeral 21 denotes a hot water supply switch means, which is an example of a switching circuit operated by the ON operation of the hot water supply flow switch 13, and connects a temperature regulating resistor 22 and a diode 23 in series with the temperature sensor 15 to form a temperature regulating circuit. 24 is a switching circuit for a heating control circuit that operates when the heating switch 14 is turned on, and a heating resistor 25 constituting the heating control circuit is connected in series with the temperature sensor 15. Further, 26 is a limiting resistor, 27 is a constant voltage diode, and the control unit 1
Configure the power supply of 6.
給湯用スイツチ手段２１において、２８，２９
は抵抗、３０はトランジスタ、暖房制御回路のス
イツチング回路２４において、３１〜３３は抵
抗、３４はトランジスタ、３５は温度センサ１５
に並列に設けた補正用抵抗である。また制御部１
６において、３６〜４４は抵抗、４５は演算増幅
器、４６，４７は増幅用トランジスタ、４８は帰
還用抵抗である。 In the hot water supply switch means 21, 28, 29
30 is a transistor. In the heating control circuit switching circuit 24, 31 to 33 are resistors, 34 is a transistor, and 35 is a temperature sensor 15.
This is a correction resistor installed in parallel with . Also, the control section 1
6, 36 to 44 are resistors, 45 is an operational amplifier, 46 and 47 are amplification transistors, and 48 is a feedback resistor.
つぎに動作を説明する。運転スイツチ２を入れ
ると炎検出器７に通電され、その接点９がオン動
作し、主燃料供給弁６に通電されて主燃料供給弁
６が開弁する。この開弁により種火用燃料が供給
され、点火器１１の放電電極１２からの放電によ
り種火に点火し、種火点火により炎検出素子８が
種火炎を検出し、切換接点１０が動作するととも
に接点９を自己保持し主燃料供給弁６を開弁保持
する。 Next, the operation will be explained. When the operation switch 2 is turned on, the flame detector 7 is energized, its contact 9 is turned on, and the main fuel supply valve 6 is energized and the main fuel supply valve 6 opens. By opening the valve, fuel for the pilot flame is supplied, the pilot flame is ignited by discharge from the discharge electrode 12 of the igniter 11, the flame detection element 8 detects the pilot flame by the pilot flame ignition, and the switching contact 10 is operated. At the same time, the contact 9 is self-held and the main fuel supply valve 6 is held open.
暖房運転の場合、暖房スイツチ１４を入れると
制御部１６が通電されるとともに、スイツチング
回路２４へ通電され、トランジスタ３４がオン動
作し暖房用抵抗器２５が温度センサ１５と直列に
接続される。また、同時にリレー１８の動作によ
り循環ボンプ２０が運転される。 In the case of heating operation, when the heating switch 14 is turned on, the control unit 16 is energized, and the switching circuit 24 is energized, the transistor 34 is turned on, and the heating resistor 25 is connected in series with the temperature sensor 15. At the same time, the circulation pump 20 is operated by the operation of the relay 18.
制御部１６においては、抵抗３７，３８で設定
された設定温度に対し、温度センサ１５と抵抗３
５，３６および暖房用抵抗器２５で検出信号が演
算増幅器４５に入力され、設定温度になるように
抵抗３９，４０による増幅度で増幅された比例信
号が出力し、トランジスタ４６，４７で増幅され
て比例制御弁１７を駆動し、これにより暖房条件
下で温度制御する。 In the control unit 16, the temperature sensor 15 and the resistor 3
5, 36 and the heating resistor 25 are input to the operational amplifier 45, which outputs a proportional signal that is amplified by the amplification degree of the resistors 39, 40 so as to reach the set temperature, and is amplified by the transistors 46, 47. This drives the proportional control valve 17, thereby controlling the temperature under heating conditions.
一方、給湯運転時は給湯水栓の開栓により給湯
フロースイツチ１３がオン動作し、給湯スイツチ
２１へ通電され、トランジスタ３０がオン動作
し、温度調節回路を構成する温度調節用抵抗器２
２とダイオード２３を温度センサ１５に直列に接
続するとともにスイツチング回路２４のトランジ
スタ３４をオフにする。この結果、給湯運転時に
は暖房スイツチ１４が入つていても温度調節用抵
抗器２２が優先される。また、制御部１６への検
出信号は温度調節用抵抗器２２により給湯条件下
での信号となり、温度調節用抵抗器２２の抵抗値
を大きくすると高温になるように比例制御弁１７
が制御され、逆に小さくすると低温になつて給湯
温度の調節が自由に行えることとなる。 On the other hand, during hot water supply operation, when the hot water faucet is opened, the hot water supply flow switch 13 is turned on, the hot water supply switch 21 is energized, the transistor 30 is turned on, and the temperature control resistor 2 forming the temperature control circuit is turned on.
2 and a diode 23 are connected in series to the temperature sensor 15, and the transistor 34 of the switching circuit 24 is turned off. As a result, during hot water supply operation, priority is given to the temperature control resistor 22 even if the heating switch 14 is turned on. Further, the detection signal to the control unit 16 becomes a signal under the hot water supply condition by the temperature adjustment resistor 22, and the proportional control valve 17 is set so that the higher the resistance value of the temperature adjustment resistor 22, the higher the temperature becomes.
On the other hand, if you make it smaller, the temperature becomes lower and you can freely adjust the hot water temperature.
なお、ダイオード４９は給湯、暖房同時使用時
でも給湯使用により給湯フロースイツチ１３が動
作した時のみ、給湯用スイツチ手段２１が動作で
きるようにし、暖房スイツチ１４のオンで動作で
きないようにするものである。 The diode 49 allows the hot water supply switch means 21 to operate only when the hot water supply flow switch 13 is operated due to hot water supply even when hot water supply and heating are used at the same time, and prevents the hot water supply switch means 21 from operating when the heating switch 14 is turned on. .
この発明の給湯暖房機の制御装置によれば、温
度調節回路により給湯時に給湯温度が高温から低
温まで自由に得られるとともに、制御部を暖房温
度制御だけでなく給湯湯温制御にも使用している
ため回路構成を簡単にすることができる。しかも
比例制御弁を用いているので安定した温度制御が
得られるという効果がある。
According to the hot water supply/heater control device of the present invention, the temperature control circuit allows the hot water temperature to be freely obtained from high to low during hot water supply, and the control unit is used not only for heating temperature control but also for hot water supply temperature control. Therefore, the circuit configuration can be simplified. Furthermore, since a proportional control valve is used, stable temperature control can be achieved.
図面はこの発明の一実施例の回路図である。
１５…温度センサ、１６…制御部、１７…比例
制御弁、２１…給湯用スイツチ手段、２２…温度
調節回路を構成する温度調節用抵抗器、２５…暖
房制御回路を構成する暖房用抵抗器。
The drawing is a circuit diagram of an embodiment of the present invention. DESCRIPTION OF SYMBOLS 15... Temperature sensor, 16... Control part, 17... Proportional control valve, 21... Switch means for hot water supply, 22... Temperature adjustment resistor which comprises a temperature adjustment circuit, 25... Heating resistor which comprises a heating control circuit.
Claims (1)
環回路に設けた温度センサと、この温度センサの
信号により燃料供給用の比例制御弁を制御して暖
房温度を制御する暖房制御回路を有する制御部
と、この制御部を介して前記温度センサの信号に
より前記比例制御弁を給湯温度に調整制御する温
度調節回路と、給湯使用時に前記温度調節回路を
前記制御部に接続するとともに前記暖房制御回路
を開路する給湯用スイツチ手段とを備えた給湯暖
房機の制御装置。1. A control unit having a temperature sensor provided in a heating water circulation circuit having an indirect heating heat exchanger for hot water supply, and a heating control circuit that controls a proportional control valve for fuel supply based on a signal from this temperature sensor to control heating temperature. a temperature adjustment circuit that adjusts and controls the proportional control valve to the hot water temperature using a signal from the temperature sensor via the control section; and a temperature adjustment circuit that connects the temperature adjustment circuit to the control section when hot water is being used and also controls the heating control circuit. A control device for a hot water heater, comprising a hot water supply switch means for opening the circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP620580A JPS56102626A (en) | 1980-01-21 | 1980-01-21 | Controller for hot-water supplying heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP620580A JPS56102626A (en) | 1980-01-21 | 1980-01-21 | Controller for hot-water supplying heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56102626A JPS56102626A (en) | 1981-08-17 |
| JPS6346332B2 true JPS6346332B2 (en) | 1988-09-14 |
Family
ID=11632026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP620580A Granted JPS56102626A (en) | 1980-01-21 | 1980-01-21 | Controller for hot-water supplying heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56102626A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0325044Y2 (en) * | 1985-12-10 | 1991-05-31 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045327A (en) * | 1983-08-20 | 1985-03-11 | 松下電器産業株式会社 | Timer apparatus |
-
1980
- 1980-01-21 JP JP620580A patent/JPS56102626A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045327A (en) * | 1983-08-20 | 1985-03-11 | 松下電器産業株式会社 | Timer apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56102626A (en) | 1981-08-17 |
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