JP5864967B2 - Water heater - Google Patents

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JP5864967B2
JP5864967B2 JP2011194543A JP2011194543A JP5864967B2 JP 5864967 B2 JP5864967 B2 JP 5864967B2 JP 2011194543 A JP2011194543 A JP 2011194543A JP 2011194543 A JP2011194543 A JP 2011194543A JP 5864967 B2 JP5864967 B2 JP 5864967B2
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hot water
water supply
outside air
air temperature
temperature sensor
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JP2013057420A (en
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佐藤　政人
政人 佐藤
木村　貴宏
貴宏 木村
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Corona Corp
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Description

この発明は、燃焼部に備えられた熱交換器で加熱された湯水を使用する給湯装置に関するものである。   The present invention relates to a hot water supply apparatus that uses hot water heated by a heat exchanger provided in a combustion section.

従来、この種のものにおいて、給湯回路と接続したシャワー使用時における給湯流量の瞬間値を検出し、使用者がリモコンで予め設定した給湯流量の目標値と検出した瞬間値とを比較して、前記瞬間値が前記目標値以下あるいは目標範囲内の値であると判断すると、リモコンで現在の使用流量が省エネであることを示す表示や音声を出力することで、使用者に省エネでの使用を実感させシャワー使用時の給湯量を控えめにする意識を持たせるものがあった。（例えば、特許文献１）   Conventionally, in this kind of thing, the instantaneous value of the hot water flow rate when using the shower connected to the hot water circuit is detected, and the target value of the hot water flow rate preset by the user with the remote control is compared with the detected instantaneous value, When it is determined that the instantaneous value is less than or equal to the target value or within the target range, the remote controller outputs a display or sound indicating that the current flow rate is energy saving, so that the user can use it for energy saving. There was something that made people feel conscious of conserving the amount of hot water when using the shower. (For example, Patent Document 1)

特開２００９−２４９１３号公報JP 2009-24913 A

しかし、この従来のものでは、シャワーを使用して給湯回路内の湯水を流動させなければ、現在の給湯使用量が省エネなのか判断できず、また、使用者がシャワー中にリモコンから出力された表示や音声に気づかなければ省エネを意識することができないため、使用する給湯量を控えることができない問題があった。   However, in this conventional system, if the hot water in the hot water supply circuit is not flowed using a shower, it cannot be determined whether the current hot water usage is energy saving, and the user has output from the remote control during the shower. There is a problem that it is impossible to refrain from the amount of hot water used because it is impossible to be aware of energy savings without noticing the display and sound.

上記課題を解決するために、本発明の請求項１では装置本体と、該装置本体に備えられた燃焼部と、該燃焼部内にある給湯熱交換器で加熱された湯水が流動する給湯回路と、外気温を検出する外気温センサと、前記装置本体での運転開始の設定をするリモコンと、該リモコンで設定した情報を報知する報知部と、該報知部で所定の情報が報知されるよう制御する制御部とを備えた給湯装置において、前記制御部は、前記リモコンで運転開始が設定されたら前記外気温センサでの検出値に基づき、前記報知部から使用者による省エネとなる給湯使用方法のアドバイスを報知するものである。 In order to solve the above problems, in claim 1 of the present invention, an apparatus main body, a combustion section provided in the apparatus main body, a hot water supply circuit in which hot water heated by a hot water supply heat exchanger in the combustion section flows, and An outside air temperature sensor for detecting outside air temperature, a remote controller for setting operation start in the apparatus main body, an informing unit for informing information set by the remote controller, and the informing unit for informing predetermined information. In the hot water supply apparatus including a control unit for controlling, the control unit uses the hot water supply to save energy by the user from the notification unit based on the detection value of the outside air temperature sensor when the operation start is set by the remote controller. it is intended to inform the advice.

また、請求項２では前記制御部に前記外気温センサでの検出値と外気温の基準として設定された基準値とを比較する温度比較手段を備え、該温度比較手段で比較した結果に基づき前記報知部から報知する内容を変化させるものである。   According to a second aspect of the present invention, the control unit is provided with a temperature comparison unit that compares a detection value of the outside air temperature sensor with a reference value set as a reference of the outside air temperature, and based on the result of comparison by the temperature comparison unit The content notified from the notification unit is changed.

この発明の請求項１によれば、リモコンで装置本体の運転開始が設定されたら外気温センサでの検出値に基づき省エネ使用を促す報知をおこなうので、使用者が加熱された湯水を使用開始する前に省エネとなる使用方法が報知され、省エネを意識した湯水の使用を確実におこなえる。   According to the first aspect of the present invention, when the operation start of the apparatus main body is set by the remote controller, the user is instructed to use the energy saving based on the detection value of the outside air temperature sensor, so that the user starts using the heated hot water. The usage method that saves energy is announced before, and the use of hot water that is conscious of energy saving can be performed reliably.

また、請求項２によれば、外気温と基準値とを比較した結果に基づいて報知内容を変化させるので、装置本体が設置された場所に合わせた省エネ使用を促す報知が可能となる。   According to the second aspect, since the notification content is changed based on the result of comparing the outside air temperature with the reference value, it is possible to notify the user of energy-saving use in accordance with the location where the apparatus main body is installed.

この発明の一実施形態を示す概略構成図Schematic configuration diagram showing an embodiment of the present invention 同発明の制御ブロック図Control block diagram of the invention 同発明の運転開始時を示すフローチャートFlow chart showing start of operation of the invention 同発明のアドバイスＡ報知後を示すフローチャートFlow chart showing after advice A notification of the same invention 同発明のアドバイスＢ報知後を示すフローチャートThe flowchart which shows after the advice B information of the same invention

次に、この発明の一実施形態を図面に基づいて説明する。
１は内部に給湯回路２、風呂回路３、湯張り回路４とを備え屋外に設置された装置本体であり、５は灯油等の燃料を燃焼するバーナ６を備えた燃焼部である。 Next, an embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes an apparatus main body provided with a hot water supply circuit 2, a bath circuit 3, and a hot water filling circuit 4 inside, and 5 denotes a combustion section including a burner 6 for burning fuel such as kerosene.

前記給湯回路２は、給水栓５が設置された給水管６と、燃焼部５に設置され配管内の湯水を加熱する給湯熱交換器７で加熱された高温水が流動する給湯管８とで構成されている。   The hot water supply circuit 2 includes a water supply pipe 6 in which a water tap 5 is installed, and a hot water supply pipe 8 in which high-temperature water heated by a hot water supply heat exchanger 7 installed in the combustion section 5 and heating hot water in the pipe flows. It is configured.

９は給水管６内にある水の温度を検出する給水温度センサ、１０は給水管６を流動する水の流量を検出する給水流量センサ、１１は給湯管８の途中に設置され一端が給水管６内の水を導く給水バイパス管１２と接続することで湯水を混合する給湯混合弁、１３は湯水の流量を制御する水比例弁、１４は給湯混合弁１１で混合された湯水の温度を検出する給湯温度センサである。   9 is a water supply temperature sensor for detecting the temperature of water in the water supply pipe 6, 10 is a water supply flow rate sensor for detecting the flow rate of water flowing through the water supply pipe 6, 11 is installed in the middle of the hot water supply pipe 8, and one end of the water supply pipe A hot water mixing valve for mixing hot water by connecting with a water supply bypass pipe 12 for guiding water in 6, 13 is a water proportional valve for controlling the flow rate of hot water, and 14 is for detecting the temperature of hot water mixed by the hot water mixing valve 11. It is a hot water supply temperature sensor.

１５は給湯管８に接続した出湯管であり、洗面所等に設置された給湯栓１６を開栓することで出湯管１５内の湯水が出湯する。   15 is a hot water pipe connected to the hot water supply pipe 8, and hot water in the hot water discharge pipe 15 is discharged by opening the hot water tap 16 installed in a washroom or the like.

前記風呂回路３は、燃焼部５に設置された風呂熱交換器１７で加熱された浴槽水を浴槽１８へ流入する風呂戻り管１９と、浴槽１８内の浴槽水を風呂熱交換器１７へ流入する風呂往き管２０とで構成されている。   The bath circuit 3 includes a bath return pipe 19 that flows bathtub water heated by the bath heat exchanger 17 installed in the combustion unit 5 into the bathtub 18, and bath water in the bathtub 18 flows into the bath heat exchanger 17. It is comprised with the bath going-out pipe 20 to do.

２１は風呂戻り管１９途中にあり後述する湯張り回路４と一端が接続された風呂三方弁、２２は風呂回路３内の浴槽水を強制循環させる風呂循環ポンプ、２３は循環する浴槽水の温度を検出する風呂温度センサ、２４は配管内の浴槽水が流動しているか検出する風呂フローセンサ、２５は浴槽１８にある浴槽水の水位を検出する風呂水位センサである。   A bath three-way valve 21 is provided in the middle of the bath return pipe 19 and connected to one end of a hot water filling circuit 4 to be described later, 22 is a bath circulation pump for forcibly circulating bath water in the bath circuit 3, and 23 is a temperature of the circulating bath water. The bath temperature sensor 24 detects a bath flow sensor that detects whether the bathtub water in the pipe is flowing, and the bath water level sensor 25 detects the water level of the bathtub water in the bathtub 18.

前記湯張り回路４は、給湯管８と分岐し風呂三方弁２１と一端が接続された湯張り管２６で構成されており、２７は湯張り管２６内の湯水の流動を弁を開閉して制御する湯張り電磁弁、２８は湯張り管２６内を流動する湯水の流量を検出する湯張り流量センサ、２９は湯張り管２６内の湯水が逆流しないよう二重に設置された湯張り逆止弁である。   The hot water filling circuit 4 is composed of a hot water filling pipe 26 branched from the hot water supply pipe 8 and connected to a bath three-way valve 21 and one end, and 27 is a valve for opening and closing the flow of hot water in the hot water filling pipe 26. A hot water solenoid valve to be controlled, 28 is a hot water flow rate sensor for detecting the flow rate of hot water flowing in the hot water tube 26, and 29 is a double hot water device installed in a double manner so that hot water in the hot water tube 26 does not flow backward. It is a stop valve.

３０はボタン操作することで各種設定が可能なリモコンであり、装置本体１の運転開始と運転終了をＯＮ／ＯＦＦ操作して設定可能な運転スイッチ３１と、浴槽１８に設定量の湯水を湯張りする自動湯張りスイッチ３２と、給湯や風呂の設定温度を変更する温度変更スイッチ３３と、現在時刻や設定した情報を表示するディスプレイ３４と、自動湯張りスイッチ３２が操作された時や温度変更スイッチ３３で給湯、風呂の設定温度を変更した時に設定内容を音声で報知する報知部３５とが備えられている。   Reference numeral 30 denotes a remote controller that can be set in various ways by operating buttons. An operation switch 31 that can be set by operating ON / OFF of the operation start and operation end of the apparatus main body 1 and a set amount of hot water are filled in the bathtub 18. An automatic hot water filling switch 32, a temperature changing switch 33 for changing the set temperature of hot water supply and bath, a display 34 for displaying the current time and set information, and when the automatic hot water filling switch 32 is operated or a temperature changing switch. An informing unit 35 is provided for notifying the set content by voice when the set temperature of the hot water supply or bath is changed in 33.

３６は装置本体１の外装に設置され外気温を検出する外気温センサであり、装置本体１周囲の温度を検出する。   Reference numeral 36 denotes an outside air temperature sensor that is installed on the exterior of the apparatus body 1 and detects the outside air temperature, and detects the temperature around the apparatus body 1.

３７はマイコンで構成され装置本体１の制御をおこなう制御部であり、前記外気温センサ３６で検出された温度と事前に設定された基準値とを比較する温度比較手段３８が備えられており、各温度センサや流量センサで検出された値に基づき、バーナ６による燃焼のＯＮ／ＯＦＦ制御や給湯混合弁１１の開度を変化させ、前記リモコン３０で使用者が設定した温度の湯水が給湯栓１６や浴槽１８に供給されるよう調節する。   Reference numeral 37 denotes a control unit that is configured by a microcomputer and controls the apparatus main body 1, and includes a temperature comparison unit 38 that compares the temperature detected by the outside air temperature sensor 36 with a preset reference value. Based on the value detected by each temperature sensor or flow sensor, the ON / OFF control of combustion by the burner 6 and the opening degree of the hot water supply mixing valve 11 are changed, and hot water at the temperature set by the user with the remote controller 30 becomes hot water tap. It adjusts so that 16 and the bathtub 18 may be supplied.

次に、給湯使用時や風呂湯張り運転時における制御について図３から図５のフローチャートに基づいて説明する。
まず、制御部３７がリモコン３０の運転スイッチ３１がＯＮ操作されたことを検知したら（Ｓ１０１）、温度比較手段３８は外気温センサ３６での検出値と事前に設定された基準値である２０℃とを比較し（Ｓ１０２）、外気温センサ３６での検出値が２０℃以上であれば、外気温が高めなので高温水の使用量を控えめにすることが可能であり、手を洗う等で使用するのであれば高温水を使用する必要がない状態なので、「湯の設定温度を低下させなるべく水を使用してください」とのアドバイスＡを報知部３５から報知し（Ｓ１０３）、外気温センサ３６での検出値が２０℃未満であれば、外気温が低めなので高温水の使用量に注意してなるべく節約する意識を使用者に持たせるよう、「湯の使用時はこまめに止めて使用量に注意してください」とのアドバイスＢを報知部３５から報知する（Ｓ１０４）。 Next, control during hot water supply use or bath hot water operation will be described with reference to the flowcharts of FIGS.
First, when the control unit 37 detects that the operation switch 31 of the remote controller 30 has been turned ON (S101), the temperature comparison unit 38 detects a value detected by the outside air temperature sensor 36 and a preset reference value of 20 ° C. (S102), if the detected value by the outside air temperature sensor 36 is 20 ° C. or higher, the outside air temperature is high, so the amount of high-temperature water used can be conservative and used by washing hands, etc. If this is the case, it is not necessary to use high-temperature water. Therefore, advice A "Please use water as much as possible to lower the set temperature of hot water" is notified from the notification unit 35 (S103), and the outside air temperature sensor 36 If the detected value is less than 20 ° C, the outside air temperature is low, so pay attention to the amount of hot water used and save the user as much as possible. Please be careful Notifying advice B and I "from the notification unit 35 (S104).

Ｓ１０３でアドバイスＡを報知した後、外気温センサ３６での検出値が２０℃未満になり（Ｓ２０１）、リモコン３０の温度変更スイッチ３３を操作して設定温度を高くしたら（Ｓ２０２）、外気温が低下して設定温度を高くしたのでバーナ６での燃焼時間や通電時間が増えて省エネ使用の意識が薄れることを防止するため、制御部３７は、Ｓ１０４で報知部３５からアドバイスＢを報知して再度省エネ使用の意識を高めるようにする。また、Ｓ２０１で外気温センサ３６での検出値が２０℃以上かＳ２０２で温度変更スイッチ３３で設定温度を高くしなかったら、制御部３７は、リモコン３０の運転スイッチ３１がＯＦＦ操作されたか判断し（Ｓ２０３）、ＯＦＦ操作されていれば運転終了させ、ＯＦＦ操作されていなければ、再度Ｓ２０１で外気温センサ３６での検出値を確認する。   After notifying the advice A in S103, the detected value of the outside air temperature sensor 36 is less than 20 ° C. (S201), and the temperature change switch 33 of the remote controller 30 is operated to increase the set temperature (S202). In order to prevent the burning time and energization time in the burner 6 from increasing and the awareness of energy saving use from diminishing because the set temperature has been lowered and increased, the control unit 37 notifies the advice B from the notification unit 35 in S104. Increase awareness of energy conservation again. Further, if the detected value by the outside air temperature sensor 36 is 20 ° C. or higher in S201 or the set temperature is not increased by the temperature change switch 33 in S202, the control unit 37 determines whether the operation switch 31 of the remote controller 30 is turned off. (S203) If the operation is OFF, the operation is terminated. If the operation is not OFF, the detection value of the outside air temperature sensor 36 is confirmed again in S201.

また、Ｓ１０４でアドバイスＢを報知した後、外気温センサ３６での検出値が２０℃以上になり（Ｓ３０１）、リモコン３０の温度変更スイッチ３３を操作して設定温度を高くしたら（Ｓ３０２）、外気温が高くなった状態で設定温度を上げたので無駄な高温水の使用を防止して省エネを使用者に意識させるため、制御部３７は、Ｓ１０３で報知部３５からアドバイスＡを報知して再度省エネ使用の意識を高めるようにする。また、Ｓ３０１で外気温センサ３６での検出値が２０℃未満かＳ３０２で温度変更スイッチ３３で設定温度を高くしなかったら、制御部３７は、リモコン３０の運転スイッチ３１がＯＦＦ操作されたか判断し（Ｓ３０３）、ＯＦＦ操作されていれば運転終了させ、ＯＦＦ操作されていなければ、再度Ｓ３０１で外気温センサ３６での検出値を確認する。   In addition, after the advice B is notified in S104, the detected value in the outside air temperature sensor 36 becomes 20 ° C. or more (S301), and the temperature change switch 33 of the remote controller 30 is operated to increase the set temperature (S302). Since the set temperature is raised in a state where the temperature is high, the control unit 37 notifies the advice A from the notification unit 35 in S103 again in order to prevent useless use of high-temperature water and make the user aware of energy saving. Increase awareness of energy saving use. If the detected value of the outside air temperature sensor 36 is less than 20 ° C. in S301 or the set temperature is not increased by the temperature change switch 33 in S302, the control unit 37 determines whether the operation switch 31 of the remote controller 30 is turned off. (S303) If the operation is OFF, the operation is terminated. If the operation is not OFF, the detection value of the outside air temperature sensor 36 is confirmed again in S301.

なお、本実施例では外気温の基準値を２０℃とし、外気温と２０℃とを比較してアドバイス内容を変更するものだったが、この内容に限定されるものではなく、例えば、外気温が３０℃以上の場合や１０℃未満の場合等、様々な温度に応じて報知する内容を変化させるものであってもよく、装置本体１の使用環境に即して省エネとなるアドバイスを報知することで省エネ効率を向上させ、使用者に省エネでの使用を意識させることが可能なものであればよい。   In this embodiment, the reference value of the outside air temperature is set to 20 ° C., and the advice content is changed by comparing the outside air temperature with 20 ° C., but is not limited to this content. The content to be notified may be changed according to various temperatures, such as when the temperature is 30 ° C. or higher or lower than 10 ° C., and advice for energy saving is notified according to the usage environment of the apparatus main body 1. Any energy-saving efficiency can be achieved as long as the user can be aware of energy-saving use.

以上のように、リモコン３０の運転スイッチ３１がＯＮ操作されたら外気温に応じた省エネ使用を促すアドバイスを報知し、アドバイス報知後に外気温センサ３６での検出値や設定温度の変更によって報知部３５から報知するアドバイスの内容を変化させることで、給湯や風呂で加熱された高温水を使用する際に使用者が省エネ使用を確実に意識することができ、装置本体１の使用環境や使用方法に応じて適切な省エネとなる使用方法が簡単に分かるものである。   As described above, when the operation switch 31 of the remote controller 30 is turned ON, advice for encouraging energy-saving use according to the outside air temperature is notified, and the notification unit 35 is notified by changing the detected value or the set temperature at the outside air temperature sensor 36 after notifying the advice. By changing the content of the advice notified from the user, when using hot water heated in a hot water supply or bath, the user can be surely aware of energy-saving use, the usage environment and usage of the device body 1 It is easy to understand how to use it to save energy appropriately.

なお、本発明は上記実施例に限定されるものではなく、例えば、報知部３５から音声で報知するアドバイスをリモコン３０のディスプレイ３４に文字で表示してもよく、運転スイッチ３１がＯＮ操作された時や設定温度を上昇させた時にディスプレイ３４で文字による報知をすることで、使用者が視覚で省エネとなる使用方法を把握することができる。   In addition, this invention is not limited to the said Example, For example, the advice notified with an audio | voice from the alerting | reporting part 35 may be displayed on the display 34 of the remote control 30 with a character, and the operation switch 31 was turned on. By using the display 34 to notify by text when the time or the set temperature is raised, the user can grasp the usage method that visually saves energy.

また、上記実施例では外気温センサ３６での検出値に基づいて省エネとなる使用方法を報知する内容だが、給水管６内を流動する給水の温度から報知することも可能であり、給水温度センサ９で検出された給水温度に基づき、報知部３５からアドバイスを報知することで省エネでの使用を促すことができる。   In the above-described embodiment, the usage method for energy saving is notified based on the detection value of the outside air temperature sensor 36. However, it is also possible to notify from the temperature of the feed water flowing in the feed water pipe 6, and the feed water temperature sensor. Based on the water supply temperature detected in 9, the notification from the notification unit 35 can be used to encourage use in energy saving.

また、他の実施形態として浴室の温度を検出する浴室温度センサを浴室内に設置し、検出された浴室内の温度によって報知するアドバイスの内容を変更するものであってもよく、例えば、浴室内の温度が基準値より低いときは浴槽１８にふたをして間隔をあけずに入浴するよう促す内容を報知することで浴槽水の温度低下のスピードを緩和させ、浴槽水を設定温度に保温する追い焚き動作の回数を減少させ、燃焼部５のバーナ６による燃焼を最小限に抑えることができるので、燃料使用量や電力消費を減らし省エネでの風呂使用を可能とする。   Further, as another embodiment, a bathroom temperature sensor for detecting the temperature of the bathroom may be installed in the bathroom, and the content of the advice to be notified may be changed depending on the detected temperature in the bathroom, for example, in the bathroom When the temperature of the tub is lower than the reference value, the tub 18 is covered and the content prompting the user to take a bath without a gap is informed to alleviate the speed of the tub water temperature drop and keep the tub water at the set temperature. Since the number of chasing operations can be reduced and combustion by the burner 6 of the combustion unit 5 can be minimized, the amount of fuel used and power consumption can be reduced, and the energy-saving bath can be used.

１ 装置本体
２ 給湯回路
５ 燃焼部
３０ リモコン
３１ 運転スイッチ
３５ 報知部
３６ 外気温センサ
３７ 制御部
３８ 温度比較手段 DESCRIPTION OF SYMBOLS 1 Apparatus main body 2 Hot-water supply circuit 5 Combustion part 30 Remote control 31 Operation switch 35 Notification part 36 Outside temperature sensor 37 Control part 38 Temperature comparison means

Claims (2)

装置本体と、該装置本体に備えられた燃焼部と、該燃焼部内にある給湯熱交換器で加熱された湯水が流動する給湯回路と、外気温を検出する外気温センサと、前記装置本体での運転開始の設定をするリモコンと、該リモコンで設定した情報を報知する報知部と、該報知部で所定の情報が報知されるよう制御する制御部とを備えた給湯装置において、前記制御部は、前記リモコンで運転開始が設定されたら前記外気温センサでの検出値に基づき、前記報知部から使用者による省エネとなる給湯使用方法のアドバイスを報知することを特徴とする給湯装置。 An apparatus main body, a combustion section provided in the apparatus main body, a hot water supply circuit in which hot water heated by a hot water supply heat exchanger in the combustion section flows, an outside air temperature sensor for detecting an outside air temperature, and the apparatus body In the hot water supply apparatus comprising: a remote controller configured to set the start of operation; a notification unit configured to notify information set by the remote control; and a control unit configured to control the notification unit to notify predetermined information. based on the detection value at the outer air temperature sensor When operation start is set by the remote controller, hot water supply apparatus characterized by notifying the advice hot water usage to be energy saving by the user from the notification unit. 前記制御部に前記外気温センサでの検出値と外気温の基準として設定された基準値とを比較する温度比較手段を備え、該温度比較手段で比較した結果に基づき前記報知部から報知する内容を変化させることを特徴とする請求項１記載の給湯装置。   The control unit is provided with a temperature comparison unit that compares a detection value of the outside air temperature sensor with a reference value set as a reference of the outside air temperature, and the content notified from the notification unit based on the result of comparison by the temperature comparison unit The hot water supply apparatus according to claim 1, wherein
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