JP2003279146A - Water heater - Google Patents
Water heaterInfo
- Publication number
- JP2003279146A JP2003279146A JP2002083966A JP2002083966A JP2003279146A JP 2003279146 A JP2003279146 A JP 2003279146A JP 2002083966 A JP2002083966 A JP 2002083966A JP 2002083966 A JP2002083966 A JP 2002083966A JP 2003279146 A JP2003279146 A JP 2003279146A
- Authority
- JP
- Japan
- Prior art keywords
- fan
- rotating speed
- heater
- outside air
- temperature
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 238000002485 combustion reaction Methods 0.000 claims abstract description 13
- 238000010792 warming Methods 0.000 claims abstract description 3
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 6
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、燃焼用空気を供給
するファンを備えた給湯装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water heater having a fan for supplying combustion air.
【0002】[0002]
【従来の技術】従来、給湯装置において、冬季等の低温
時にはファンの温度が低下し、起動特性が悪くなるの
で、運転初期のファン駆動時には低温時でも駆動可能な
ファン回転数で駆動させていた。2. Description of the Related Art Conventionally, in a hot water supply device, the temperature of the fan is lowered at low temperatures such as in winter and the start-up characteristics are deteriorated. .
【0003】[0003]
【発明が解決しようとする課題】従来の給湯装置では、
ファン駆動指令が出てから安定したファン回転数に到達
するまで時間がかかる。そして、低温時に安定したファ
ン回転数を得る為には、ファン回転数を上げることで可
能となるが、最小燃焼の場合はファン回転数が高くなり
すぎ燃焼性能にも影響をあたえる。従って、本発明は、
低温時においても運転初期のファン駆動時のファン回転
数を高くする必要のない給湯装置を提供することにあ
る。In the conventional water heater,
It takes time to reach a stable fan speed after the fan drive command is issued. Then, in order to obtain a stable fan rotation speed at a low temperature, it is possible to increase the fan rotation speed, but in the case of the minimum combustion, the fan rotation speed becomes too high and the combustion performance is affected. Therefore, the present invention provides
It is an object of the present invention to provide a hot water supply device that does not require a high fan rotation speed when the fan is driven in the initial stage of operation even at low temperatures.
【0004】[0004]
【課題を解決するための手段及びその作用・効果】上記
目的を達成するために請求項1は、燃焼用空気を供給す
るファンと前記ファンを暖めるためのヒ−タ−と外気温
を検出するための外気温度検出手段とを有し、前記外気
温度検出手段の検出値が所定値以下になると、前記ヒ−
タ−に通電することとしたので、低温時でもファンが暖
められていることより運転初期のファン駆動時のファン
回転数を下げることができる。In order to achieve the above object, the present invention detects a fan for supplying combustion air, a heater for warming the fan, and an outside air temperature. An outside air temperature detecting means for controlling the temperature of the outside air when the detected value of the outside air temperature detecting means falls below a predetermined value.
Since the fan is energized, the fan is warmed even at a low temperature, so that the fan rotation speed at the time of driving the fan at the initial stage of operation can be reduced.
【0005】請求項2では、請求項1に記載の給湯装置
において、ファンの温度を検出するためのファン温度検
出手段を設け、前記ファン温度検出手段の検出値に基づ
き、前記ファンの温度を所定値に保つことを特徴とする
給湯装置を設けたので、ファン温度が一定に保たれ、運
転初期のファン駆動時のファン回転数を下げることがで
きる。According to a second aspect, in the hot water supply apparatus according to the first aspect, fan temperature detecting means for detecting the temperature of the fan is provided, and the temperature of the fan is predetermined based on the detection value of the fan temperature detecting means. Since the hot water supply device characterized by being kept at a value is provided, the fan temperature can be kept constant, and the fan rotation speed at the time of driving the fan in the initial stage of operation can be reduced.
【0006】また、請求項3では、請求項1又は請求項
2記載の給湯装置において、前記ファンはPWM制御す
るようにしたので、ファン温度が一定に保たれ、運転初
期のファン駆動時のファン回転数を下げることができ
る。According to a third aspect of the present invention, in the hot water supply apparatus according to the first or second aspect, the fan is PWM-controlled, so that the fan temperature is kept constant and the fan is driven during the initial operation of the fan. The rotation speed can be reduced.
【0007】[0007]
【発明の実施の形態】以下、本発明の実施の形態を、図
面により詳細に説明する。図1は、本発明の一実施形態
に係る燃焼装置を給湯機に適用したブロック図である。
上記給湯機は、図示のように、給湯機本体10内に、燃
焼用空気を供給するPWMファン3と、燃焼部2と、熱
交換器9と、排気室1で構成されている。また、外気温
度検出装置7が備えられ、PWMファンモータ4により
駆動されるPWMファン3には、ヒ−タ−5及びファン
温度検出装置8が備えられている。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a block diagram in which a combustion device according to an embodiment of the present invention is applied to a water heater.
As shown in the figure, the water heater comprises a PWM fan 3 for supplying combustion air, a combustion unit 2, a heat exchanger 9, and an exhaust chamber 1 in a water heater main body 10. Further, the outside air temperature detecting device 7 is provided, and the PWM fan 3 driven by the PWM fan motor 4 is provided with a heater 5 and a fan temperature detecting device 8.
【0008】図2は、本発明の一実施形態に係る制御領
域を示す図である。外気温度検出装置7からの検出値に
より制御部6では、外気温度≦5℃であればヒ−タ−5
をONし、外気温度>5℃であればヒ−タ−5をOFF
する。FIG. 2 is a diagram showing a control area according to an embodiment of the present invention. In accordance with the detected value from the outside air temperature detecting device 7, the controller 6 controls the heater 5 if the outside air temperature ≤5 ° C.
Is turned on, and if the outside air temperature is> 5 ° C, the heater-5 is turned off.
To do.
【0009】図3は、ヒ−タ−5のON−OFF動作の
実施形態を示す図である。電源投入から、外気温度≦5
℃か否かを判断し(ステップS1)、外気温度≦5℃で
あれば5℃≧PWMモ−タ温度(ステップS2)を判断す
る。ステップS2で5℃≧PWMモ−タ温度と判断されれ
ば、ヒ−タ−5に制御部6からON指令が送られPWM
ファン3を暖める(ステップ3)。次に、ステップ4でフ
ァン温度検出装置8の検出値が5℃<PWMモ−タ温度に
達していればヒ−タ−をOFF(ステップ5)する。従
って、低温時でもファンが暖められていることより運転
初期のファン駆動時のファン回転数を下げることができ
る。FIG. 3 is a diagram showing an embodiment of the ON-OFF operation of the heater 5. From power on, outside temperature ≤ 5
It is determined whether or not the temperature is ° C (step S1). If the outside air temperature is ≤5 ° C, the temperature is 5 ° C ≥ PWM motor temperature (step S2). If it is determined in step S2 that 5 ° C. ≧ PWM motor temperature, an ON command is sent from the control unit 6 to the heater 5 and PWM is performed.
Warm fan 3 (step 3). Next, in step 4, if the detected value of the fan temperature detecting device 8 has reached 5 ° C. <PWM motor temperature, the heater is turned off (step 5). Therefore, even when the temperature is low, since the fan is warmed up, it is possible to reduce the fan rotation speed when the fan is driven in the initial operation.
【図1】本発明の一実施形態に係る燃焼装置を給湯機に
適用したブロック図。FIG. 1 is a block diagram in which a combustion device according to an embodiment of the present invention is applied to a water heater.
【図2】本発明の一実施形態に係る制御領域を示す図。FIG. 2 is a diagram showing a control area according to an embodiment of the present invention.
【図3】ヒ−タ−5のON−OFF動作の実施形態を示
す図。FIG. 3 is a diagram showing an embodiment of an ON-OFF operation of the heater-5.
1・・・排気室 2・・・燃焼部 3・・・PWMファン 4・・・PWMファンモータ 5・・・ヒ−タ− 6・・・制御部 7・・・外気温度検出装置 8・・・ファン温度検出装置 9・・・熱交換器 10・・・給湯機本体 1 ... Exhaust chamber 2 ... Combustion section 3 ... PWM fan 4 ... PWM fan motor 5 ... heater 6 ... Control unit 7 ... Outside air temperature detector 8: Fan temperature detection device 9 ... Heat exchanger 10: Main body of water heater
───────────────────────────────────────────────────── フロントページの続き (72)発明者 丸山 浩樹 兵庫県神戸市東灘区魚崎浜町43番1号 日 本ユプロ株式会社内 (72)発明者 大江 俊春 兵庫県神戸市東灘区魚崎浜町43番1号 日 本ユプロ株式会社内 Fターム(参考) 3L060 AA02 CC03 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Hiroki Maruyama 43-1, Uozakihama-cho, Higashinada-ku, Kobe-shi, Hyogo Inside this Yupro Co., Ltd. (72) Inventor Toshiharu Oe 43-1, Uozakihama-cho, Higashinada-ku, Kobe-shi, Hyogo Inside this Yupro Co., Ltd. F term (reference) 3L060 AA02 CC03
Claims (3)
ァンを暖めるためのヒ−タ−と、外気温を検出するため
の外気温度検出手段とを有し、前記外気温度検出手段の
検出値が所定値以下になると、前記ヒ−タ−に通電する
ことを特徴とする給湯装置。1. A fan for supplying combustion air, a heater for warming the fan, and an outside air temperature detecting means for detecting an outside air temperature. A detected value of the outside air temperature detecting means. The water heater is characterized in that the heater is energized when is less than or equal to a predetermined value.
ンの温度を検出するためのファン温度検出手段を設け、
前記ファン温度検出手段の検出値に基づき、前記ファン
の温度を所定値に保つことを特徴とする給湯装置。2. The hot water supply apparatus according to claim 1, further comprising fan temperature detecting means for detecting a temperature of the fan.
A hot water supply device characterized in that the temperature of the fan is maintained at a predetermined value based on the detection value of the fan temperature detection means.
とする請求項1又は請求項2記載の給湯装置。3. The hot water supply apparatus according to claim 1, wherein the fan is PWM-controlled.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002083966A JP2003279146A (en) | 2002-03-25 | 2002-03-25 | Water heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002083966A JP2003279146A (en) | 2002-03-25 | 2002-03-25 | Water heater |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2003279146A true JP2003279146A (en) | 2003-10-02 |
Family
ID=29231510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002083966A Pending JP2003279146A (en) | 2002-03-25 | 2002-03-25 | Water heater |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2003279146A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108917188A (en) * | 2018-07-04 | 2018-11-30 | 安徽原上草节能环保科技有限公司 | A kind of energy-saving water heater automatically powered off |
CN110081612A (en) * | 2019-04-04 | 2019-08-02 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
-
2002
- 2002-03-25 JP JP2002083966A patent/JP2003279146A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108917188A (en) * | 2018-07-04 | 2018-11-30 | 安徽原上草节能环保科技有限公司 | A kind of energy-saving water heater automatically powered off |
CN108917188B (en) * | 2018-07-04 | 2021-01-12 | 安徽原上草节能环保科技有限公司 | Automatic energy-conserving water heater of outage |
CN110081612A (en) * | 2019-04-04 | 2019-08-02 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
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