JP2013120043A - Water heater controller - Google Patents
Water heater controller Download PDFInfo
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- JP2013120043A JP2013120043A JP2011269685A JP2011269685A JP2013120043A JP 2013120043 A JP2013120043 A JP 2013120043A JP 2011269685 A JP2011269685 A JP 2011269685A JP 2011269685 A JP2011269685 A JP 2011269685A JP 2013120043 A JP2013120043 A JP 2013120043A
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- hot water
- mixing valve
- current value
- driving
- water supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
本発明は給湯機の制御装置に関するものである。 The present invention relates to a control device for a water heater.
近年、ヒートポンプ給湯機等では高性能化され、機器内で湯と水を混合しリモコン等で設定された温度のお湯を給湯し、カランやシャワーで水と混合せずにそのまま使用できるようにしている。さらに、給湯経路を２経路設け、給湯と風呂湯張りを同時に別々の温度設定で出湯させるものも知られている（例えば、特許文献１参照）。 In recent years, heat pump water heaters have been improved in performance, mixing hot water with water in the equipment, hot water at the temperature set with the remote control etc., so that it can be used as it is without mixing with water in a currant or shower Yes. Furthermore, there are also known two hot water supply paths that allow hot water supply and bath hot water to be discharged simultaneously at different temperature settings (see, for example, Patent Document 1).
前記従来の構成では、混合弁が故障した場合、湯と水が適切な設定温度に混合されず、冷水や高温水が出湯される。それを防ぐため温度の異常を温度センサーで検出し、異常を報知するようにしている。 In the conventional configuration, when the mixing valve fails, hot water and water are not mixed at an appropriate set temperature, and cold water or hot water is discharged. In order to prevent this, a temperature abnormality is detected by a temperature sensor to notify the abnormality.
しかしながら、混合弁が故障していても温度センサーの応答性の遅れ等で、ある程度出湯するまで異常がわからないため、多少は冷水や高温水を浴びてしまうことになる。 However, even if the mixing valve is broken, because of a delay in the responsiveness of the temperature sensor, the abnormality is not known until the hot water is discharged to some extent.
本発明は、前記従来の課題を解決するもので、混合弁が故障したことを給湯待機中に検出し事前に報知することのできる給湯機の制御装置を提供することを目的とする。 This invention solves the said conventional subject, and it aims at providing the control apparatus of the hot water heater which can detect and alert | report in advance that the mixing valve has failed during hot water supply standby.
前記従来の課題を解決するために、本発明の給湯機の制御装置は、湯と水を混合する混合弁と、前記混合弁を駆動する駆動手段と、前記駆動手段に直列に接続された駆動電流検出手段と、前記駆動手段を制御し前記駆動電流検出手段の電流値を検出する制御部とから構成される給湯機の制御装置において、前記制御部は、給湯待機時に前記駆動手段を制御し、同時に前記駆動電流検出手段の電流値を検出し、前記電流値が所定範囲外であれば異常と判定することにより、混合弁の故障時には給湯前に異常を検出し故障であることを知らせることができる。 In order to solve the above-described conventional problems, a controller for a hot water supply apparatus according to the present invention includes a mixing valve for mixing hot water and water, a driving unit for driving the mixing valve, and a drive connected in series to the driving unit. In a control apparatus for a hot water supply apparatus including a current detection unit and a control unit that controls the drive unit and detects a current value of the drive current detection unit, the control unit controls the drive unit during hot water supply standby. At the same time, the current value of the drive current detecting means is detected, and if the current value is outside the predetermined range, it is determined that there is an abnormality. Can do.
本発明の給湯機の制御装置は、給湯待機中に駆動電流検出手段の電流値で混合弁の異常を判定することができ、給湯前に故障であることを報知し、冷水や高温水を浴びることがないので、快適な給湯機を提供することができる。 The controller of the hot water heater of the present invention can determine the abnormality of the mixing valve by the current value of the drive current detecting means during hot water standby, informs that there is a failure before hot water supply, and bathes in cold water or hot water Since there is no such thing, a comfortable water heater can be provided.
第１の発明は、湯と水を混合する混合弁と、前記混合弁を駆動する駆動手段と、前記駆動手段に直列に接続された駆動電流検出手段と、前記駆動手段を制御し前記駆動電流検出手段の電流値を検出する制御部とから構成される給湯機の制御装置において、前記制御部
は、給湯待機時に前記駆動手段を制御し、同時に前記駆動電流検出手段の電流値を検出し、前記電流値が所定範囲外であれば異常と判定することにより、混合弁の故障時には給湯前に異常を検出し故障であることを知らせることができる。
A first invention includes a mixing valve that mixes hot water and water, a driving unit that drives the mixing valve, a driving current detection unit that is connected in series to the driving unit, and a control unit that controls the driving unit to control the driving current. In the control device for a water heater configured with a control unit that detects the current value of the detection unit, the control unit controls the drive unit during hot water supply standby, and simultaneously detects the current value of the drive current detection unit, If the current value is outside the predetermined range, it is determined that there is an abnormality, so that when the mixing valve fails, it is possible to detect the abnormality before hot water supply and notify the failure.
第２の発明は、特に、第１の発明の給湯機の制御装置において、前記制御部は、給湯待機時における前記電流値の検出と異常判定を１日の特定の時間に行うことで、検出回数を減らすことができ、無駄な電力を極力減らし、混合弁の耐久性に影響を与えない範囲で検出動作をすることができる。 According to a second aspect of the present invention, in particular, in the control device for a hot water supply apparatus according to the first aspect of the invention, the control unit detects the current value during the hot water supply standby and makes an abnormality determination at a specific time of the day. The number of times can be reduced, wasteful power can be reduced as much as possible, and the detection operation can be performed within a range that does not affect the durability of the mixing valve.
第３の発明は、特に、第１または第２の発明の給湯機の制御装置において、前記混合弁はステッピングモータで構成され、前記制御部は、給湯待機時に前記駆動手段を制御する際、ステッピングモータの１相毎に通電し前記駆動電流検出手段の電流値を検出することで、混合弁は回転せず現在の開度を保ったまま検出でき、検出中に動作した分を元に戻す等の煩雑な制御が不要となる。また、１相毎に検出できるので電流値を精度よく検出できるため誤検知等を防ぐことができる。 According to a third aspect of the present invention, in particular, in the controller for a hot water supply apparatus according to the first or second aspect, the mixing valve is composed of a stepping motor, and the control unit performs stepping when controlling the driving means during hot water supply standby. By energizing each phase of the motor and detecting the current value of the drive current detection means, the mixing valve does not rotate and can be detected while maintaining the current opening, and the amount operated during detection is restored, etc. No complicated control is required. Moreover, since it can detect for every phase, since a current value can be detected with high accuracy, it is possible to prevent erroneous detection and the like.
以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.
（実施の形態１）
図１は、本発明の第１の実施の形態における給湯機の制御装置の構成図である。
(Embodiment 1)
FIG. 1 is a configuration diagram of a control device for a water heater in the first embodiment of the present invention.
図１において、混合弁１と、混合弁１を駆動する駆動手段２と、駆動手段２に直列に接続された駆動電流検出手段３と、駆動手段２を制御し駆動電流検出手段３の電流値を検出する制御部４とにより、給湯機の制御装置を構成している。 In FIG. 1, the mixing valve 1, the driving means 2 that drives the mixing valve 1, the driving current detection means 3 connected in series to the driving means 2, and the current value of the driving current detection means 3 that controls the driving means 2. The controller 4 that detects the above constitutes a control device for the hot water heater.
以上のように構成された給湯機の制御装置について、以下その動作、作用を説明する。 The operation and action of the water heater control apparatus configured as described above will be described below.
混合弁１は４相のステッピングモータで構成され、給湯時には、制御部４から２相励磁等の信号を駆動手段２に送り、混合弁１を駆動し湯と水を混合して設定温度の給湯を行う。 The mixing valve 1 is composed of a four-phase stepping motor. When hot water is supplied, a signal such as two-phase excitation is sent from the control unit 4 to the driving means 2, and the mixing valve 1 is driven to mix hot water and water so as to supply hot water at a set temperature. I do.
次に、異常検出時の制御部４の動作を説明する。図２は本発明の実施の形態１における給湯機の制御装置のフローチャートである。 Next, the operation of the control unit 4 when an abnormality is detected will be described. FIG. 2 is a flowchart of the water heater control apparatus according to Embodiment 1 of the present invention.
ステップ１では、規定の時刻を判断し規定の時刻で無ければスタートに戻り、規定の時刻であればステップ２へ進む。ステップ２では給湯待機中かどうかを判定し給湯待機中で無ければスタートに戻り、給湯待機中であればステップ３へ進む。ステップ３では、駆動手段２の１相に信号を送り、混合弁１の１相に通電し、ステップ４へ進む。ステップ４では、１相の電流値が所定の範囲外かどうかを判断し、所定範囲内であればステップ５へ進み、範囲外であればステップ１２へ進む。ステップ５では駆動手段２の２相に通電し、１相は通電停止にして、ステップ６へ進む。ステップ６では、２相の電流値が所定の範囲外かどうかを判断し、所定範囲内であればステップ７へ進み、範囲外であればステップ１２へ進む。以下ステップ７からステップ１１まで同様にして各相に通電を行い、各相の電流値を検出して、各相の電流値が所定の範囲外であればステップ１２へ進む。ステップ１２では混合弁１の全相を停止し、混合弁１の異常を報知する。 In step 1, the prescribed time is determined, and if it is not the prescribed time, the process returns to the start, and if it is the prescribed time, the process proceeds to step 2. In step 2, it is determined whether or not the hot water supply is waiting. If the hot water supply is not waiting, the process returns to the start, and if the hot water supply is standby, the process proceeds to step 3. In step 3, a signal is sent to one phase of the driving means 2, the first phase of the mixing valve 1 is energized, and the process proceeds to step 4. In step 4, it is determined whether or not the current value of one phase is outside the predetermined range. If it is within the predetermined range, the process proceeds to step 5, and if it is out of the range, the process proceeds to step 12. In Step 5, the two phases of the driving means 2 are energized, and one phase is energized and the process proceeds to Step 6. In step 6, it is determined whether or not the two-phase current value is outside the predetermined range. If it is within the predetermined range, the process proceeds to step 7; Thereafter, each phase is energized in the same manner from step 7 to step 11, the current value of each phase is detected, and if the current value of each phase is outside the predetermined range, the process proceeds to step 12. In step 12, all phases of the mixing valve 1 are stopped, and the abnormality of the mixing valve 1 is notified.
以上のように、混合弁１の１相から４相の電流値が所定の範囲外である場合には、異常を検出し故障であることを知らせることができる。 As described above, when the current values of the first to fourth phases of the mixing valve 1 are out of the predetermined range, an abnormality can be detected and a failure can be notified.
以上のように、本発明にかかる給湯機の制御装置は、混合弁の駆動手段に駆動電流検出手段を設け、混合弁が故障の場合には、給湯待機中に混合弁の電流検出を行い異常検知ができるので、電気、ガス、石油式等の給湯機、燃料電池など様々な給湯方式の用途にも適用できる。 As described above, the control device for a hot water supply apparatus according to the present invention is provided with a drive current detection means in the drive means for the mixing valve, and when the mixing valve fails, the current detection of the mixing valve is performed while waiting for hot water supply. Since it can be detected, it can be applied to various hot water supply systems such as electric, gas, and petroleum hot water heaters and fuel cells.
１ 混合弁
２ 駆動手段
３ 駆動電流検出手段
４ 制御部
DESCRIPTION OF SYMBOLS 1 Mixing valve 2 Drive means 3 Drive current detection means 4 Control part
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011269685A JP2013120043A (en) | 2011-12-09 | 2011-12-09 | Water heater controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011269685A JP2013120043A (en) | 2011-12-09 | 2011-12-09 | Water heater controller |
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| JP2013120043A true JP2013120043A (en) | 2013-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2011269685A Pending JP2013120043A (en) | 2011-12-09 | 2011-12-09 | Water heater controller |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07322692A (en) * | 1994-05-30 | 1995-12-08 | Fujitsu Ten Ltd | Constant-current driving apparatus |
| JP2001268991A (en) * | 2000-03-16 | 2001-09-28 | Canon Inc | Stepping motor driver |
| JP2011089751A (en) * | 2009-10-26 | 2011-05-06 | Sanyo Electric Co Ltd | Failure diagnosing system of air conditioner |
| JP2011163660A (en) * | 2010-02-09 | 2011-08-25 | Rinnai Corp | Hot water supply system |
-
2011
- 2011-12-09 JP JP2011269685A patent/JP2013120043A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07322692A (en) * | 1994-05-30 | 1995-12-08 | Fujitsu Ten Ltd | Constant-current driving apparatus |
| JP2001268991A (en) * | 2000-03-16 | 2001-09-28 | Canon Inc | Stepping motor driver |
| JP2011089751A (en) * | 2009-10-26 | 2011-05-06 | Sanyo Electric Co Ltd | Failure diagnosing system of air conditioner |
| JP2011163660A (en) * | 2010-02-09 | 2011-08-25 | Rinnai Corp | Hot water supply system |
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