JPH0129456Y2 - - Google Patents
Info
- Publication number
- JPH0129456Y2 JPH0129456Y2 JP3262184U JP3262184U JPH0129456Y2 JP H0129456 Y2 JPH0129456 Y2 JP H0129456Y2 JP 3262184 U JP3262184 U JP 3262184U JP 3262184 U JP3262184 U JP 3262184U JP H0129456 Y2 JPH0129456 Y2 JP H0129456Y2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- hot water
- water
- boiler
- water heater
- 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 217
- 238000010438 heat treatment Methods 0.000 claims description 44
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000010413 gardening Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Landscapes
- Steam Or Hot-Water Central Heating Systems (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Description
本考案はヒートポンプ温水機で加熱した温水を
主として利用するヒートポンプ加熱運転優先方式
の暖房を行わせ、能力不足の際に温水ボイラーで
追焚きを可能とした温水装置の構成に関する。
The present invention relates to the configuration of a hot water system that performs heating using a heat pump heating operation priority method that primarily uses hot water heated by a heat pump water heater, and that enables additional heating with a hot water boiler when capacity is insufficient.
ヒートポンプ温水機と温水ボイラーとを並設し
て、温水を暖房需要個所に供給する温水装置は公
知であつて、実公昭46−16784号公報により構造
の1例が開示されているように、ヒートポンプ温
水機で加熱した温水を、この温水機に比し高温に
加熱し得る温水ボイラーで再加熱するように構成
すると共に、温水ボイラーの水温が所定温度にな
るように水温サーモで温水ボイラーの発停制御を
行わせ、また、ヒートポンプ温水機の入口水温が
設定温度よりも高くなると、これを暖房負荷が小
さくなつた状態であるとしてヒートポンプ温水機
を入口水温サーモで停止するように発停制御を行
わせるのが、従来から一般に多く成されている運
転方式であつた。
かかる構造の温水装置を用いて暖房需要個所の
暖房を行うものでは、該需要個所の雰囲気温度を
制御の基準値として温水機を発停制御する方式で
はなくて、温水機の入口水温とボイラーの水温と
を基準としているために、負荷変動に充分対応し
た暖房能力を発揮するように適正に入口水温サー
モ、水温サーモの設定温度を選択することがむず
かしく、従つて適正な暖房運転制御が行なえない
おそれがあつて信頼性に問題がある点で改善が望
まれていた。
A water heating system in which a heat pump water heater and a hot water boiler are installed side by side to supply hot water to places that require heating is well known; The hot water boiler is configured to reheat the hot water heated by the water heater to a higher temperature than the water heater, and the water temperature thermometer is used to start and stop the hot water boiler so that the water temperature in the hot water boiler reaches a predetermined temperature. In addition, when the inlet water temperature of the heat pump water heater becomes higher than the set temperature, this is considered to be a state where the heating load has become small, and the heat pump water heater is controlled to stop using the inlet water temperature thermostat. This has been the most common operating method in the past. In systems that use water heaters with such a structure to heat areas that require heating, the system does not control the start and stop of the water heater using the atmospheric temperature of the area as a reference value for control, but instead controls the inlet water temperature of the water heater and the boiler. Since it is based on the water temperature, it is difficult to appropriately select the set temperature of the inlet water temperature thermostat and water temperature thermostat so as to demonstrate heating capacity that adequately responds to load fluctuations, and therefore, it is difficult to perform proper heating operation control. There was a need for improvement as there was a risk of problems with reliability.
このように従来のこの種温水装置では改良すべ
き点を有している実状よりして、本考案は案出さ
れるに至つたものであつて、ヒートポンプ温水機
を優先的に加熱運転させることを暖房負荷の変動
に全く関係なく確実に行わせ、しかも暖房需要個
所の雰囲気温度を基準としてヒートポンプ温水機
及び温水ボイラーを運転制御するようにすること
によつて、運転経済性ならびに制御信頼性の向上
を果させ、もつて温水装置の普及の推進をはから
せることを本考案は目的とする。
In view of the fact that conventional water heating devices of this type have some points to be improved, the present invention has been devised, and it is designed to prioritize the heating operation of heat pump water heating devices. Improving operational economy and control reliability by controlling the operation of heat pump water heaters and hot water boilers reliably regardless of fluctuations in the heating load, and based on the ambient temperature of the heating demand location. The purpose of the present invention is to achieve these goals and promote the spread of water heating devices.
そこで本考案は、ヒートポンプ温水機の温水通
路を上流側とし、この温水機に比し高温に加熱し
得る温水ボイラーの温水通路を下流側とした直列
的な温水回路を形成して、該温水回路と暖房需要
個所に設けた熱交換コイルとを循環的に接続して
なる温水装置において、高温側設定点及び低温側
設定点の2段階設定温度と検知温度とを比較し
て、高温側設定点を基準とした検知温度が高温側
設定点より高いとき高温側停止信号を、低いとき
高温側運転信号を、また、検知温度が低温側設定
点より高いとき低温側停止信号を、低いとき低温
側運転信号を夫々出力する2段作動形温度調節器
を前記暖房需要個所における雰囲気温度の検知可
能な個所に設ける一方、検知温度が温水機用設定
点より高いとき停止信号を、低いとき運転信号を
出力する温水機用水温サーモの感温部を、ヒート
ポンプポンプ温水機の温水通路の入口部に設ける
とともに、検知温度がボイラー用設定点より高い
とき停止信号を、低いとき運転信号を出力するボ
イラー用水温サーモの感温部を、温水ボイラーの
温水通路内の出口付近に設けて、前記高温側運転
信号と、温水機用水温サーモの運転信号の両方が
出力されたときヒートポンプ温水機の運転を、前
記高温側停止信号または温水機用水温サーモの停
止信号のいずれかが出力されたときヒートポンプ
温水機の停止を、前記低温側運転信号と、ボイラ
ー用水温サーモの運転信号の両方が出力されたと
き温水ボイラーの運転を、前記低温側停止信号ま
たはボイラー用水温サーモの停止信号のいずれか
が出力されたとき温水ボイラーの停止を夫々行わ
せる制御回路を形成したことを特徴とするもので
あつて、ヒートポンプ温水機で加熱する領域と温
水ボイラーで加熱する領域とを室温など雰囲気温
度の条件によつて直接かつ確実に制御することに
より、ヒートポンプ温水機による加熱運転を優先
し、温水ボイラーは高負荷時の追焚き用として、
各々の加熱分担を明確に規定することが可能とな
るものである。
Therefore, the present invention forms a serial hot water circuit with the hot water passage of the heat pump water heater on the upstream side and the hot water passage of the hot water boiler, which can heat the water at a higher temperature than the water heater, on the downstream side. In a water heating system in which a heat exchange coil installed at a heating demand point is connected in a cyclical manner, the high temperature side set point is determined by comparing the detected temperature with the two-stage set temperature of the high temperature side set point and the low temperature side set point. When the detected temperature is higher than the high-temperature set point, a high-temperature side stop signal is generated, and when it is lower, a high-temperature operation signal is generated.When the detected temperature is higher than the low-temperature set point, a low-temperature side stop signal is generated, and when it is lower, a low-temperature side signal is generated. A two-stage temperature controller that outputs operating signals is provided at a location where the ambient temperature in the heating demand area can be detected, and a stop signal is issued when the detected temperature is higher than the set point for the water heater, and an operating signal is issued when the detected temperature is lower than the set point for the water heater. The temperature sensing part of the water temperature thermometer for the water heater that outputs is installed at the entrance of the hot water passage of the heat pump pump water heater, and a stop signal is output when the detected temperature is higher than the boiler set point, and an operation signal is output when it is lower than the boiler set point. A temperature sensing part of the water temperature thermometer is provided near the outlet of the hot water passage of the hot water boiler, and when both the high temperature side operation signal and the operation signal of the water temperature thermometer for the water heater are output, the heat pump water heater is operated. The heat pump water heater is stopped when either the high temperature side stop signal or the water temperature thermostat stop signal for the water heater is output, and the heat pump water heater is stopped when both the low temperature side operation signal and the boiler water temperature thermostat operation signal are output. The hot water boiler is characterized by forming a control circuit that stops the operation of the hot water boiler when either the low temperature side stop signal or the boiler water temperature thermostat stop signal is output, By directly and reliably controlling the area heated by the heat pump water heater and the area heated by the hot water boiler based on ambient temperature conditions such as room temperature, priority is given to heating operation by the heat pump water heater, and the hot water boiler is heated during high loads. For reheating the
This makes it possible to clearly define the respective heating responsibilities.
以下、本考案の実施例について添付図面を参照
しながら詳細に説明する。
第1図は本考案温水装置の実施例に係る暖房装
置の略示構造図であつて、1はヒートポンプ温水
機で、凝縮器として作用する温水生成用の対水形
熱交換器例えばシエルチユーブ熱交換器、圧縮
機、膨脹弁、井水を熱源水とし蒸発器として作用
する対水形熱交換器等からなる冷凍回路を省略示
している。
2は石油、天然ガス等を燃料として加熱運転を
行わせる温水ボイラーであつて、温水を前記温水
機1に比し高温に加熱することができる。
1Aはヒートポンプ温水機1の前記シエルチユ
ーブ熱交換器における温水通路であつて、該熱交
換器の冷媒通路中を流れる高圧高温の冷媒ガスと
温水通路中を流れる水との間で熱交換が成されて
温水が取り出されるようになつており、この温水
通路1Aの入口部には、入口水温を検知して、該
温度が例えば55℃以上になると安全保護のためヒ
ートポンプ温水機1の運転を強制的に停止せしめ
る水温サーモ5の感温部5Aが設けられている。
上記温水機用水温サーモ5は、検知温度が温水
機用設定点、例えば55℃より高いとき停止信号
を、低いとき運転信号を出力するよう形成され
る。
2Aは温水ボイラー2の水側容器などからなる
温水通路であつて、石油等の燃料を燃焼した際に
発生する熱量により温水通路2A内の温水はさら
に加熱されてその後出口から取り出されるように
なつているが、この温水通路2A内の出口付近に
は、この水温を検知して、該温度が例えば60℃以
上になると温水ボイラー2の運転を強制的に停止
せしめる水温サーモ6の感温部6Aが設けられて
いる。
上記ボイラー用水温サーモ6は検知温度がボイ
ラー用設定点、例えば60℃より高いとき停止信号
を、低いとき運転信号を出力するよう形成され
る。
3は水対空気形の熱交換コイルであつて、園芸
ハウス等暖房需要個所Hに配設せしめている。
しかして、ヒートポンプ温水機1の温水通路1
Aと温水ボイラー2の温水通路2Aとは、前者1A
を上流側、後者2Aを下流側とした直列に接続し
て直列的温水回路を形成し、この温水回路と前記
熱交換コイル3とを循環的に接続すると共に、か
くして得られた循環温水通路中に循環用ポンプ7
を介設せしめていて、該ポンプ7の付勢により、
温水通路1A→温水通路2A→熱交換コイル3→循
環用ポンプ7→温水通路1Aの順に温水が循環す
るようになつている。
なお、8は開閉弁9を途中に有して、前記温水
通路1Aに並列接続したバイパス通路であり、温
水ボイラー2単独運転中に熱交換コイル3からの
戻り水が高温となるような場合に、シエルチユー
ブ熱交換器の冷媒側が高圧となつて可溶性が溶け
たりする不都合が生じないようにするために、開
閉弁9を開いて高温水を側路させるように使用す
るものである。
以上述べた構成になる暖房装置の運転を掌る制
御回路を第1図乃至第3図によつて説明すると、
10は電子制御回路からなる制御器で、入力ポー
トには、ヒートポンプ温水機1単独運転用の第1
スイツチ11、ヒートポンプ温水機1・温水ボイ
ラー2組合わせ運転用の第2スイツチ12、温水
ボイラー2単独運転用の第3スイツチ13が夫々
接続され、また、前記水温サーモ5の感温部5A
及び温度設定器5B、前記水温サーモ6の感温部
6A及び温度設定器6B、後述する2段作動形温度
調節器4の感温部4A及び温度設定器4Bが夫々接
続され、一方、出力ポートにはヒートポンプ温水
機1発停用の第1リレー15、温水ボイラー2発
停用の第2リレー16が夫々接続されている。
前記制御器10は、前記感温部4A及び温度設
定器4Bの入力を受けて作動する温度調節器に相
当する温度調節回路部4、前記感温部5A及び温
度設定器5Bの入力を受けて作動する温度調節器
に相当する温度調節回路部5、前記感温部6A及
び温度設定器6Bの入力を受けて作動する温度調
節器に相当する温度調節回路部6、前記出力ポー
トに出力信号を発する出力回路部14を有してい
て、前記第1リレー15及び前記第2リレー16
を発停させる制御系統の態様を第2図のフローチ
ヤートによつて次に説明する。
第1スイツチ11が投入されているかどうか
(イ)、第2スイツチ12が投入されているかどうか
(ロ)、第3スイツチ13が投入されているかどうか
(ハ)を判断して、第2スイツチ12のみ投入されて
いると、ヒートポンプ温水機1と温水ボイラー2
との組合わせになる運転であるから、前記温度調
節回路部4によつて暖房需要個所
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a schematic structural diagram of a heating device according to an embodiment of the present invention, in which 1 is a heat pump water heater, and a water-to-water heat exchanger for generating hot water, such as a shell tube heat exchanger, acts as a condenser. A refrigeration circuit consisting of an exchanger, a compressor, an expansion valve, a water-to-water heat exchanger that uses well water as a heat source and acts as an evaporator, etc. is omitted. Reference numeral 2 denotes a hot water boiler that performs heating operation using petroleum, natural gas, or the like as fuel, and is capable of heating hot water to a higher temperature than the water heater 1 described above. 1 A is a hot water passage in the shell tube heat exchanger of the heat pump water heater 1, and heat exchange is carried out between the high pressure and high temperature refrigerant gas flowing in the refrigerant passage of the heat exchanger and the water flowing in the hot water passage. The inlet of the hot water passage 1A is equipped with a system that detects the inlet water temperature and, for safety reasons, turns off the operation of the heat pump water heater 1 when the temperature reaches 55°C or higher. A temperature sensing part 5A of the water temperature thermostat 5 is provided to forcibly stop the water temperature thermostat 5. The water temperature thermostat 5 for the water heater is configured to output a stop signal when the detected temperature is higher than the set point for the water heater, for example 55° C., and to output an operation signal when the detected temperature is lower. 2 A is a hot water passage consisting of the water side container of the hot water boiler 2, and the hot water in the hot water passage 2 A is further heated by the amount of heat generated when fuel such as oil is burned, and then taken out from the outlet. However, near the outlet of this hot water passage 2A , there is a water temperature thermostat 6 that detects this water temperature and forcibly stops the operation of the hot water boiler 2 when the temperature reaches 60℃ or higher. A warm section 6A is provided. The boiler water temperature thermometer 6 is configured to output a stop signal when the detected temperature is higher than the boiler set point, for example 60° C., and to output an operation signal when it is lower. Reference numeral 3 denotes a water-to-air type heat exchange coil, which is installed at a place H that requires heating, such as a gardening house. Therefore, the hot water passage 1 of the heat pump water heater 1
A and hot water passage 2 A of hot water boiler 2 are the former 1 A
are connected in series with the latter 2A on the upstream side and the latter 2A on the downstream side to form a serial hot water circuit, and this hot water circuit and the heat exchange coil 3 are cyclically connected, and the thus obtained circulating hot water passage Circulation pump 7 inside
is interposed, and by the energization of the pump 7,
Hot water is circulated in the order of hot water passage 1 A → hot water passage 2 A → heat exchange coil 3 → circulation pump 7 → hot water passage 1 A. In addition, 8 is a bypass passage which has an on-off valve 9 in the middle and is connected in parallel to the hot water passage 1 A , in case the return water from the heat exchange coil 3 becomes high temperature while the hot water boiler 2 is operating alone. In order to prevent the inconvenience of the refrigerant side of the shell tube heat exchanger becoming high pressure and melting the soluble material, the on-off valve 9 is opened to bypass the high temperature water. The control circuit that controls the operation of the heating device configured as described above will be explained with reference to FIGS. 1 to 3.
Reference numeral 10 denotes a controller consisting of an electronic control circuit, and the input port has a first one for independent operation of the heat pump water heater 1.
A switch 11, a second switch 12 for combined operation of the heat pump water heater 1 and the hot water boiler 2, and a third switch 13 for the individual operation of the hot water boiler 2 are connected, respectively, and the temperature sensing part 5 A of the water temperature thermostat 5 is connected.
and a temperature setting device 5B , a temperature sensing part 6A and a temperature setting device 6B of the water temperature thermostat 6, a temperature sensing part 4A and a temperature setting device 4B of a two-stage temperature regulator 4 , which will be described later, are connected, respectively. On the other hand, a first relay 15 for starting/stopping one heat pump water heater and a second relay 16 for starting/stopping two hot water boilers are connected to the output port, respectively. The controller 10 includes a temperature control circuit section 4, which corresponds to a temperature controller that operates upon receiving input from the temperature sensing section 4A and temperature setting device 4B , the temperature sensing section 5A , and the temperature setting device 5B . a temperature adjustment circuit section 5 corresponding to a temperature controller that operates in response to an input; a temperature adjustment circuit section 6 corresponding to a temperature controller that operates in response to input from the temperature sensing section 6 A and the temperature setting device 6 B ; It has an output circuit section 14 that emits an output signal to an output port, and the first relay 15 and the second relay 16
The mode of the control system for starting and stopping will now be explained with reference to the flowchart of FIG. Is the first switch 11 turned on?
(a) Is the second switch 12 turned on?
(b) Whether the third switch 13 is turned on?
Judging from (c), if only the second switch 12 is turned on, the heat pump water heater 1 and the hot water boiler 2
Since the operation is in combination with
【以下単に室と
略称する】Hの温度の検出及び設定値との比較を
行う。
ここで温度調節回路部4は温度設定器4Bで温
度を設定すると、例えば温度設定器4Bに表示さ
れた目盛りに相当する高温側設定点THと、これ
よりも一定値の差例えば5℃だけ低い低温側設定
点TLとの2段の基準温度を同時に設定して、こ
の2種の基準温度TH,TLと室温の比較を行つて、
高温側設定点THを基準とし室温が低いか高いか
で低いとき高温側運転信号、高いとき高温側停止
信号を出力し、また低温側設定点TLを基準とし
室温が低いか高いかで低いとき低温側運転信号、
高いとき低温側停止信号を出力するようになつて
いる。
従つて、まず室温と高温側設定点THとの比較
を行つて(ニ)、室温≧THであれば暖房の必要がな
いので、ヒートポンプ温水機1及び温水ボイラー
2を停止のままとし(ホ)、一方、室温<THであれ
ば高温側運転信号を発せしめてこれを保留すると
共に、ヒートポンプ温水機1の温水通路1Aの入
口水温と設定温度[Hereinafter simply referred to as "chamber"] The temperature of H is detected and compared with the set value. Here, when the temperature adjustment circuit section 4 sets the temperature with the temperature setting device 4B , the difference between the high temperature side set point T H corresponding to the scale displayed on the temperature setting device 4B and a constant value higher than this, for example, 5 By simultaneously setting two reference temperatures with the low-temperature side set point T L that is lower by ℃, and comparing these two reference temperatures T H and T L with the room temperature,
Based on the high temperature side set point T H , it outputs a high temperature side operation signal when the room temperature is low or high, and a high temperature side stop signal when it is high . Low temperature side operation signal when low.
When the temperature is high, a low temperature side stop signal is output. Therefore, first compare the room temperature with the high temperature side set point T H (d), and if the room temperature is ≧ T H , there is no need for heating, so the heat pump water heater 1 and the hot water boiler 2 are left stopped ( E), On the other hand, if the room temperature is < T
【55℃】とを温度調節回路部5
で比較する(ヘ)。
この比較結果が入口水温≦55℃であると、標準
負荷以上の暖房負荷のもとで暖房が必要であると
ころから、つづいて室温と低温側設定点TLとの
比較を温度調節回路部4で行わせて(ト)、室温<
TLであると低温側運転信号を発せしめて、前記
高温側運転信号との両信号にもとづいて、温水ボ
イラー2及びヒートポンプ温水機1の併行運転に
入らせる(チ)。
かくして十分な加熱能力を有する温水装置によ
つて余裕のある暖房運転が行われる。
一方、前述の比較(ト)の結果が室温≧TLである
と標準負荷程度であるところから、既に発信し保
留の状態にある高温側運転信号にもとづいてヒー
トポンプ温水機1単独運転すなわちヒートポンプ
暖房優先の運転に入らせる(リ)。
ところで、前記温度調節回路部5での比較(ヘ)の
結果が入口水温>55℃であると、これは軽暖房負
荷ではあるが、ヒートポンプ温水機1では熱源温
度との温度差が小さくて却つて加熱効率の低下を
もたらす状態であるところからして、高温側運転
信号を保留にしたままで、次いで温水通路2Aの
水温と設定温度[55℃] and temperature control circuit section 5
Compare (f). If the result of this comparison is that the inlet water temperature is 55°C, heating is required under a heating load higher than the standard load. (g), room temperature <
If it is T L , a low temperature side operation signal is issued, and the hot water boiler 2 and the heat pump water heater 1 are started to operate in parallel based on both signals with the high temperature side operation signal (H). In this way, a heating operation can be carried out with sufficient margin by using a hot water device having sufficient heating capacity. On the other hand, since the result of the above comparison (g) is that the room temperature ≧T L is about the standard load, the heat pump water heater 1 is operated alone, that is, heat pump heating, based on the high temperature side operation signal that has already been sent and is on hold. Give priority to driving (li). By the way, if the result of the comparison (f) in the temperature control circuit section 5 is that the inlet water temperature is >55°C, this is a light heating load, but in the heat pump water heater 1, the temperature difference with the heat source temperature is small and it can be ignored. Since this is a condition that causes a decrease in heating efficiency, the high temperature side operation signal is left on hold, and then the water temperature of hot water passage 2A and the set temperature are set.
【60℃】との比較を温度調節回路
部6で行わせる(ヌ)。
この比較結果(ヌ)が水温>60℃であると、温水ボ
イラー2を停止のままとし(ル)、一方、水温≦
60℃であると温水ボイラー2に保熱のための運転
を行わせる(ヲ)。
以上述べた運転態様はヒートポンプ温水機1と
温水ボイラー2との組合わせになる運転であつ
て、ヒートポンプ暖房運転優先が行われるもので
あるが、これとは別に第1スイツチ11のみ投入
されていることを判断(イ)すると、温度調節回路部
4で室温と高温側設定点THとの比較を行つて(ニ)、
室温≧THであればヒートポンプ温水機1を停止
のままとし(ワ)、一方、室温<THであれば、次
いで温度調節回路部5で温水通路1Aの入口水温
と設定温度A comparison with [60°C] is made in the temperature control circuit section 6 (N). If the result of this comparison (nu) is water temperature > 60℃, hot water boiler 2 will remain stopped (ru), while water temperature ≦
If the temperature is 60°C, the hot water boiler 2 is operated for heat retention (wo). The operation mode described above is an operation in which the heat pump water heater 1 and the hot water boiler 2 are combined, and the heat pump heating operation is prioritized, but apart from this, only the first switch 11 is turned on. When it is determined (a), the temperature control circuit section 4 compares the room temperature with the high temperature side set point T H (d).
If room temperature ≧ T H , the heat pump water heater 1 is left stopped (wa); on the other hand, if room temperature < TH , then the temperature control circuit 5 adjusts the inlet water temperature of the hot water passage 1 A and the set temperature.
【55℃】との比較を行つて(ヘ)、入口水
温>55℃であると、ヒートポンプ温水機1を停止
のままとし(ワ)、一方、入口水温≦55℃である
とヒートポンプ温水機1を運転させる(リ)。
また別に、第3スイツチ13のみが投入されて
いることを判断(ハ)すると前述の比較を行つて(ニ)、
室温≧THであれば温水ボイラー2を停止のまま
とし(ル)、一方、室温<THであれば次いで温度
調節回路部6で温水通路2Aの水温と設定温度
[55℃] (F) If the inlet water temperature > 55℃, the heat pump water heater 1 will remain stopped (W), while if the inlet water temperature ≦55℃, the heat pump water heater 1 will remain stopped (W). to drive (li). Separately, when it is determined that only the third switch 13 is turned on (c), the above comparison is performed (d),
If room temperature≧T H , hot water boiler 2 remains stopped (ru), while if room temperature<T H , then temperature control circuit 6 adjusts the water temperature in hot water passage 2A and the set temperature.
【60℃】との比較を行つて(ヌ)、水温>60℃である
と、温水ボイラー2を停止のままとし(ル)、一
方、水温≦60℃であると温水ボイラー2を運転さ
せる(ヲ)。
以上述べた電子制御回路にもとづく運転制御と
は別に、直接点形の各温度調節器4,5,6を使
用した回路の2例を第4図及び第5図に示してい
るが、まず第4図は24時間繰り返しタイマ18に
よつて、午後11時乃至翌午前7時の8時間は深夜
電力によるヒートポンプ温水機1と温水ボイラー
2との併行運転を行わせ、午前7時乃至午後11時
の16時間は温水ボイラー2の単独運転を行わせる
切換方式を採用している。
すなわち、午後11時乃至翌午前7時の間、閉成
するタイマ接点18Aと、午前7時乃至午後11時
の間閉成するタイマ接点18Bとによつて自動切
換えを行わせるものであつて、ヒートポンプ温水
機1発停用の第1リレー15は、運転スイツチ1
9、2段作動形の温度調節器4の出力接点で高温
側設定点THよりも室温が低いときに閉成する接
点4H、前記タイマ接点18A、前記温度調節器5
の出力接点で入口水温が設定温度[60℃] (nu), if the water temperature > 60℃, the hot water boiler 2 will remain stopped (ru), while if the water temperature ≦ 60℃, the hot water boiler 2 will be operated ( wo). In addition to the operation control based on the electronic control circuit described above, two examples of circuits using direct point temperature controllers 4, 5, and 6 are shown in FIGS. 4 and 5. In Figure 4, the 24-hour repeat timer 18 causes the heat pump water heater 1 and hot water boiler 2 to operate in parallel using late-night electricity for 8 hours from 11 p.m. to 7 a.m. the next day, and from 7 a.m. to 11 p.m. A switching system is adopted in which hot water boiler 2 is operated independently for 16 hours. That is, the automatic switching is performed by the timer contact 18 A , which is closed between 11 p.m. and 7 a.m. the next day, and the timer contact 18 B , which is closed between 7 a.m. and 11 p.m. The first relay 15 for starting and stopping aircraft 1 is connected to operation switch 1.
9. A contact 4 H which is an output contact of the two-stage temperature controller 4 and closes when the room temperature is lower than the high temperature side set point TH , the timer contact 18 A , and the temperature controller 5.
The inlet water temperature is the set temperature at the output contact of
【55℃】よりも
低いときに閉成する接点5−1、前記温度調節器
4の出力接点で低温側設定点TLよりも室温が高
いときに閉成する接点4L-1のいずれもが閉成し
ているときに、換言すれば、深夜電力が供給さ
れ、かつ室温が高温側設定点THよりも低く、低
温側設定点TLよりも高く、しかもヒートポンプ
温水機1の入口水温が設定温度よりも低いとき
に、付勢して前記温水機1のみ単独加熱運転させ
るようになつている。
次にヒートポンプ温水機1・温水ボイラー2同
時運転用の第3リレー17は、運転スイツチ1
9、前記接点4H、前記タイマ接点18A、前記接
点5−1、前記温度調節器4の出力接点で低温側
設定点TLよりも室温が低いときに閉成する接点
4L-2のいずれもが閉成しているときに、換言す
れば、深夜電力が供給され、かつ、室温が低温側
設定点TLよりも低くて、しかも前記温水機1の
入口水温が設定温度よりも低いときに、付勢して
温水機1及び温水ボイラー2を同時に運転させる
ようになつている。
一方、温水ボイラー2発停用の第2リレー16
は、運転スイツチ19、前記接点4H、前記タイ
マ接点18B、前記温度調節器6の出力接点で温
水ボイラー2の水温が設定温度Contact 5-1 , which closes when the temperature is lower than [55°C], and contact 4 L -1, which is the output contact of the temperature regulator 4, and which closes when the room temperature is higher than the low-temperature set point T L. is closed, in other words, when power is supplied late at night, the room temperature is lower than the high-temperature side set point T H and higher than the low-temperature side set point T L , and the inlet water temperature of the heat pump water heater 1 is When the temperature is lower than the set temperature, the water heater 1 is energized and only the water heater 1 is operated for heating independently. Next, the third relay 17 for simultaneous operation of the heat pump water heater 1 and hot water boiler 2 is connected to the operation switch 1.
9. The contact 4 H , the timer contact 18 A , the contact 5-1 , the output contact of the temperature regulator 4, and the contact 4 L-2 , which closes when the room temperature is lower than the low temperature side set point T L. In other words, when both are closed, late-night power is supplied, the room temperature is lower than the low temperature side set point T L , and the inlet water temperature of the water heater 1 is lower than the set temperature. Sometimes, it is energized to operate the hot water machine 1 and the hot water boiler 2 at the same time. On the other hand, the second relay 16 for starting and stopping two hot water boilers
The water temperature of the hot water boiler 2 is set at the operating switch 19, the contact 4H , the timer contact 18B , and the output contact of the temperature regulator 6.
【60℃】よりも低
いときに閉成する接点6−1のいずれもが閉成し
ているときに、換言すれば、深夜電力が供給され
ない午前7時乃至午後11時の時間帯で、かつ室温
が高温側設定点THよりも低く、しかも温水ボイ
ラー2の水温が設定温度よりも低いときに、付勢
して温水ボイラー2のみ単独加熱運転させるよう
になつている。
以上の回路説明から明らかなように第4図々示
制御回路の作動態様は深夜電力をヒートポンプ温
水機1の電源に用いているかどうかの点を除いて
実質的に第3図々示の作動態様と同じである。
次に第5図の回路について説明すると、これは
前述した第1〜第3スイツチ11〜13の選択操
作による3通りの運転制御を行わせる手動操作方
式で実質的に第3図々示のものと変るところがな
い。
すなわち、第1リレー15は、第1スイツチ1
1の投入により励磁するリレー20の常開接点2
0A,20D、前記接点4H、前記接点5−1のいず
れもが閉成しているときと、第2スイツチ12の
投入により励磁するリレー21の常開接点21A、
前記接点4H、前記接点5−1、前記接点4L-1の
いずれもが閉成しているときとに付勢するように
なつている。
次に第2リレー16は第3スイツチ13の投入
により励磁するリレー22の常開接点22A,2
2C、前記接点6−1のいずれもが閉成していると
きに付勢するように形成している。
一方、第3リレー17は第2スイツチ12の投
入により励磁するリレー21の常開接点21A、
前記接点5−1、前記接点4L-2のいずれもが閉成
しているときに付勢するようになつている。
以上説明した3つの回路は、いずれも暖房需要
個所の温度を調節するために設けた2段作動形温
度調節器4の高温側運転信号及び高温側停止信号
と温水機用水温サーモ5の運転信号及び停止信号
によりヒートポンプ温水機1の加熱運転の発停
を、低温側運転信号及び低温側停止信号とボイラ
ー用水温サーモ6の運転信号及び停止信号により
温水ボイラー2の加熱運転の発停を夫々行わせる
ようにした回路を含んでいることは明らかであつ
て、これによつてヒートポンプ温水機1による加
熱運転が温水ボイラー2のそれよりも優先して行
われるものである。When all contacts 6-1 that close when the temperature is lower than [60℃] are closed, in other words, during the time period from 7 a.m. to 11 p.m. when late night power is not supplied, and When the room temperature is lower than the high temperature side set point T H and the water temperature of the hot water boiler 2 is lower than the set temperature, it is energized to cause only the hot water boiler 2 to perform an independent heating operation. As is clear from the above circuit description, the operating mode of the control circuit shown in FIG. 4 is substantially the operating mode shown in FIG. is the same as Next, the circuit shown in FIG. 5 will be explained. This is a manual operation system that performs three types of operation control by selecting the first to third switches 11 to 13 mentioned above, and is essentially the circuit shown in FIG. 3. There is no difference. That is, the first relay 15 is connected to the first switch 1
Normally open contact 2 of relay 20 that is energized by turning on
0 A , 20 D , the normally open contact 21 A of the relay 21 is energized when the contact 4 H and the contact 5-1 are closed, and the second switch 12 is turned on.
The contact 4H , the contact 5-1 , and the contact 4L -1 are all energized when they are closed. Next, the second relay 16 is energized by turning on the third switch 13, and the normally open contacts 22A , 2 of the relay 22 are energized.
2 C and the contact point 6-1 is formed so as to be biased when both of the contacts 6-1 are closed. On the other hand, the third relay 17 has a normally open contact 21 A of the relay 21 which is excited when the second switch 12 is turned on.
The contact 5-1 and the contact 4 L-2 are energized when both are closed. The three circuits described above are the high-temperature side operation signal and high-temperature side stop signal of the two-stage temperature controller 4 provided to adjust the temperature of the heating-demanding location, and the operation signal of the water temperature thermostat 5 for the water heater. The heating operation of the heat pump water heater 1 is started and stopped by the and stop signal, and the heating operation of the hot water boiler 2 is started and stopped by the low temperature side operation signal, the low temperature side stop signal, and the operation signal and stop signal of the boiler water temperature thermostat 6. It is clear that the heat pump water heater 1 includes a circuit that allows the heat pump water heater 1 to perform heating operation with priority over that of the hot water boiler 2.
本考案はヒートポンプ温水機1と温水ボイラー
2との併用運転を行わせる温水装置において、2
段作動形の温度調節器4で暖房需要個所の温度を
検知してこの信号により両装置1,2を直接発停
制御するようにしているので、前記需要個所の温
度設定が容易で、かつ正確にコントロールでき
る。
さらにヒートポンプ温水機1で加熱する温度領
域と、温水ボイラー2で加熱する温度領域とを2
段階的に区分し、しかもヒートポンプ温水機1の
運転優先方式をとつているので、運転経済性及び
制御信頼性を共に向上させることが可能である。
The present invention is a water heating system that operates in combination with a heat pump water heater 1 and a hot water boiler 2.
Since the stage-operated temperature controller 4 detects the temperature of the place where heating is required and uses this signal to directly control the on/off of both devices 1 and 2, it is easy and accurate to set the temperature at the place where heating is required. can be controlled. Furthermore, the temperature range heated by the heat pump water heater 1 and the temperature range heated by the hot water boiler 2 are divided into two.
Since the heat pump water heater 1 is classified in stages and the heat pump water heater 1 is prioritized in operation, it is possible to improve both the operational economy and control reliability.
第1図乃至第3図は本考案の1例の態様を示
し、第1図は略示装置構造図、第2図は制御器の
概要図、第3図は第2図々示制御器の作動を表わ
す流れ図、第4図及び第5図は本考案の各例に係
る電気制御回路図である。
1……ヒートポンプ温水機、1A……温水通路、
2……温水ボイラー、2A……温水通路、3……
熱交換コイル、4……2段作動形温度調節器、5
……温水機用水温サーモ、5A……感温部、6…
…ボイラー用水温サーモ、6A……感温部。
1 to 3 show an embodiment of the present invention, in which FIG. 1 is a schematic diagram of the structure of the device, FIG. 2 is a schematic diagram of the controller, and FIG. 3 is the controller shown in FIG. FIGS. 4 and 5 are flowcharts showing the operation, and are electrical control circuit diagrams according to each example of the present invention. 1...Heat pump water heater, 1 A ...Hot water passage,
2... Hot water boiler, 2 A ... Hot water passage, 3...
Heat exchange coil, 4...Two-stage temperature controller, 5
...Water temperature thermometer for water heater, 5 A ...Temperature sensing part, 6...
…Boiler water temperature thermometer, 6 A …Temperature sensing part.
Claims (1)
とし、前記温水機1に比し高温に加熱し得る温水
ボイラー2の温水通路2Aを下流側とした直列的
な温水回路を形成して、該温水回路と暖房需要個
所に設けた熱交換コイル3とを循環的に接続して
なる温水装置において、高温側設定点TH及び低
温側設定点TLの2段階設定温度と検知温度とを
比較して、検知温度が高温側設定点THより高い
とき高温側停止信号を、低いとき高温側運転信号
を、また、検知温度が低温側設定点TLより高い
とき低温側停止信号を、低いとき低温側運転信号
を夫々出力する2段作動形温度調節器4を前記暖
房需要個所における雰囲気温度の検知可能な個所
に設ける一方、検知温度が温水機用設定点より高
いとき停止信号を、低いとき運転信号を出力する
温水機用水温サーモ5の感温部5Aを、ヒートポ
ンプポンプ温水機1の温水通路1Aの入口部に設
けるとともに、検知温度がボイラー用設定点より
高いとき停止信号を、低いとき運転信号を出力す
るボイラー用水温サーモ6の感温部6Aを、温水
ボイラー2の温水通路2A内の出口付近に設けて、
前記高温側運転信号と、温水機用水温サーモ5の
運転信号の両方が出力されたときヒートポンプ温
水機1の運転を、前記高温側停止信号または温水
機用水温サーモ5の停止信号のいずれかが出力さ
れたときヒートポンプ温水機1の停止を、前記低
温側運転信号と、ボイラー用水温サーモ6の運転
信号の両方が出力されたとき温水ボイラー2の運
転を、前記低温側停止信号またはボイラー用水温
サーモ6の停止信号のいずれかが出力されたとき
温水ボイラー2の停止を夫々行わせる制御回路を
形成したことを特徴とする温水装置。 A serial hot water circuit is formed in which the hot water passage 1A of the heat pump water heater 1 is on the upstream side and the hot water passage 2A of the hot water boiler 2, which can be heated to a higher temperature than the water heater 1, is on the downstream side. In a hot water system in which a hot water circuit and a heat exchange coil 3 installed at a heating demand location are cyclically connected, a two-stage set temperature of a high temperature side set point T H and a low temperature side set point T L is compared with the detected temperature. When the detected temperature is higher than the high temperature side set point T H , a high temperature side stop signal is generated, when it is low, a high temperature side operation signal is generated, and when the detected temperature is higher than the low temperature side set point T L , a low temperature side stop signal is generated. A two-stage temperature controller 4 that outputs a low-temperature operation signal is installed at a location where the ambient temperature can be detected in the heating demand location, and a stop signal is output when the detected temperature is higher than the water heater set point. A temperature-sensing part 5 A of the water temperature thermostat 5 for the water heater 5 which outputs an operating signal is installed at the inlet of the hot water passage 1 A of the heat pump pump water heater 1, and outputs a stop signal when the detected temperature is higher than the set point for the boiler. , a temperature sensing part 6A of the boiler water temperature thermometer 6 which outputs an operation signal when the temperature is low is installed near the outlet in the hot water passage 2A of the hot water boiler 2,
When both the high temperature side operation signal and the operation signal of the water temperature thermostat 5 for the water heater are output, the operation of the heat pump water heater 1 is controlled by either the high temperature side stop signal or the stop signal of the water temperature thermostat 5 for the water heater. When the low-temperature side operation signal and the boiler water temperature thermostat 6 operation signal are output, the operation of the hot water boiler 2 is stopped, and the low-temperature side stop signal or the boiler water temperature A hot water device characterized in that a control circuit is formed to stop each of the hot water boilers 2 when any of the stop signals of the thermostat 6 is output.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3262184U JPS60144014U (en) | 1984-03-06 | 1984-03-06 | hot water device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3262184U JPS60144014U (en) | 1984-03-06 | 1984-03-06 | hot water device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60144014U JPS60144014U (en) | 1985-09-25 |
JPH0129456Y2 true JPH0129456Y2 (en) | 1989-09-07 |
Family
ID=30534304
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3262184U Granted JPS60144014U (en) | 1984-03-06 | 1984-03-06 | hot water device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60144014U (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4648014B2 (en) * | 2005-01-26 | 2011-03-09 | 株式会社荏原製作所 | Absorption heat pump |
JP6526398B2 (en) * | 2014-09-10 | 2019-06-05 | リンナイ株式会社 | Heat pump system |
JP7144343B2 (en) * | 2019-02-25 | 2022-09-29 | 株式会社コロナ | heating system |
-
1984
- 1984-03-06 JP JP3262184U patent/JPS60144014U/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS60144014U (en) | 1985-09-25 |
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