TW201527700A - Smart power saving hot water device and control method thereof - Google Patents
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Description
本發明是有關於一種電熱水器及其控制方法，特別是指一種智慧型省電熱水裝置及其控制方法。 The invention relates to an electric water heater and a control method thereof, in particular to an intelligent electric water saving device and a control method thereof.
參閱圖1，為中華民國公告第M445155號「電熱水器加熱結構」專利案，揭示一種電熱水器10，包含一儲水本體11、一用以加熱該儲水本體11內之水液的加熱器12，及一用以感測該水液之溫度的水溫感測器13。該儲水本體11包括一入水管111，及一出水管112。使用時，冷水由該入水管111注入後，該水溫感測器13感測到冷水流入後產生一感測訊號，並將該感測訊號傳遞給該加熱器12，而該加熱器12立即加熱該水液，且該水液被加熱至一預設溫度後，再由該出水管112流出而供使用者使用。當該水溫感測器13感測該水液之溫度到達該預設溫度時，該加熱器12立即停止加熱的動作。 Referring to FIG. 1 , the patent of the electric water heater heating structure of the Republic of China Announcement No. M445155 discloses an electric water heater 10 including a water storage body 11 and a heater 12 for heating the water in the water storage body 11 . And a water temperature sensor 13 for sensing the temperature of the water. The water storage body 11 includes an inlet pipe 111 and an outlet pipe 112. In use, after the cold water is injected from the water inlet pipe 111, the water temperature sensor 13 senses a cold water inflow to generate a sensing signal, and transmits the sensing signal to the heater 12, and the heater 12 immediately The water liquid is heated, and the water liquid is heated to a predetermined temperature, and then discharged from the water outlet pipe 112 for use by the user. When the water temperature sensor 13 senses that the temperature of the water liquid reaches the preset temperature, the heater 12 immediately stops the heating action.
但由於該加熱器12啟動時是持續高溫並快速加熱至該預設溫度後，才停止加熱動作。然而該加熱器12剛停止運作時，仍殘留高溫會持續對該水液加熱而使該水液加熱的溫度過高造成能源浪費，也可能導致使用者使用不慎燙傷。 However, since the heater 12 is continuously heated at a high temperature and is rapidly heated to the preset temperature, the heating operation is stopped. However, when the heater 12 is just stopped, the residual high temperature will continue to heat the water, and the temperature at which the liquid is heated may be too high, resulting in waste of energy, and may cause accidental burns by the user.
因此，本發明之目的，即在提供一種節能之智慧型省電熱水裝置。 Accordingly, it is an object of the present invention to provide an energy-saving intelligent power-saving hot water device.
於是，本發明智慧型省電熱水裝置，包含一儲水本體、一加熱單元、一感測單元，及一控制單元。該儲水本體包括一入水管，及一出水管。該加熱單元用以加熱該儲水本體內之水液。該感測單元包括一用以感測該水液之溫度的溫度感測器。該控制單元用以接收該感測單元之溫度感測器之訊息且控制該加熱單元的運作，且內建一目標溫度、一預設溫差，及一為該目標溫度減去該預設溫差的第一切換溫度，當該溫度感測器所偵測到之溫度大於該第一切換溫度且小於該目標溫度時，該控制單元逐步調降該加熱單元之加熱功率。 Therefore, the intelligent power-saving hot water device of the present invention comprises a water storage body, a heating unit, a sensing unit, and a control unit. The water storage body includes an inlet pipe and an outlet pipe. The heating unit is configured to heat the water in the water storage body. The sensing unit includes a temperature sensor for sensing the temperature of the water. The control unit is configured to receive the information of the temperature sensor of the sensing unit and control the operation of the heating unit, and have a target temperature, a preset temperature difference, and a target temperature minus the preset temperature difference. The first switching temperature, when the temperature detected by the temperature sensor is greater than the first switching temperature and less than the target temperature, the control unit gradually reduces the heating power of the heating unit.
因此，本發明之另一目的，即在提供一種節能之智慧型省電熱水裝置的控制方法。 Accordingly, another object of the present invention is to provide a control method for an energy-saving intelligent power-saving hot water device.
於是，本發明智慧型省電熱水裝置的控制方法，應用於控制如上所述之智慧型省電熱水裝置，該控制方法包含一感測步驟、一全速加熱步驟、一調整步驟，及一停止加熱步驟。 Therefore, the control method of the intelligent power-saving hot water device of the present invention is applied to control the intelligent power-saving hot water device as described above, the control method comprising a sensing step, a full-speed heating step, an adjusting step, and a stop heating step.
於該感測步驟中，開啟該智慧型省電熱水裝置後，利用該感測單元之該溫度感測器感測該儲水本體內之水液的溫度。該全速加熱步驟中，該控制單元接收該溫度感測器所偵測到之溫度小於一第一切換溫度時，該控制單元控制該加熱單元進入一全速加熱模式。 In the sensing step, after the smart water-saving hot water device is turned on, the temperature sensor of the sensing unit senses the temperature of the water in the water storage body. In the full-speed heating step, when the control unit receives the temperature detected by the temperature sensor is less than a first switching temperature, the control unit controls the heating unit to enter a full-speed heating mode.
於該調整步驟中，當該溫度感測器偵測該水液之溫度到達該第一切換溫度時，該控制單元逐步調降該加熱單元之加熱功率。而在該停止加熱步驟中，當該溫度感測器偵測該水液的溫度到達該目標溫度時，該控制單元關閉該加熱單元。 In the adjusting step, when the temperature sensor detects that the temperature of the water liquid reaches the first switching temperature, the control unit gradually reduces the heating power of the heating unit. In the stopping heating step, when the temperature sensor detects that the temperature of the water reaches the target temperature, the control unit turns off the heating unit.
本發明之功效在於：藉由該控制單元可調變該加熱單元之加熱功率，而在該調整步驟中，當該水液被加熱至該第一切換溫度時，該控制單元逐步調降該加熱單元之加熱功率，並加熱至該目標溫度，避免該加熱單元持續高溫加熱，導致該水液過度加熱而浪費多餘之電能，有效達成節省能源。 The effect of the invention is that the heating power of the heating unit can be changed by the control unit, and in the adjusting step, when the water liquid is heated to the first switching temperature, the control unit gradually reduces the heating The heating power of the unit is heated to the target temperature to prevent the heating unit from continuing to heat at a high temperature, resulting in excessive heating of the water liquid and wasting excess electric energy, thereby effectively achieving energy saving.
2‧‧‧儲水本體 2‧‧‧Water storage body
21‧‧‧入水管 21‧‧‧Water inlet
22‧‧‧出水管 22‧‧‧Outlet
3‧‧‧加熱單元 3‧‧‧heating unit
31‧‧‧第一加熱器 31‧‧‧First heater
32‧‧‧第二加熱器 32‧‧‧second heater
4‧‧‧感測單元 4‧‧‧Sensor unit
41‧‧‧溫度感測器 41‧‧‧Temperature Sensor
5‧‧‧控制單元 5‧‧‧Control unit
51‧‧‧功率調節器 51‧‧‧Power Regulator
52‧‧‧電子控制器 52‧‧‧Electronic controller
53‧‧‧開關器 53‧‧‧Switch
6‧‧‧感測步驟 6‧‧‧Sensing steps
7‧‧‧全速加熱步驟 7‧‧‧Full speed heating step
8‧‧‧調整步驟 8‧‧‧Adjustment steps
9‧‧‧停止加熱步驟 9‧‧‧Stop heating step
100‧‧‧設定步驟 100‧‧‧Setting steps
本發明之其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中：圖1是一立體圖，說明中華民國公告第M445155號「電熱水器加熱結構」專利案；圖2是一剖視圖，說明本發明智慧型省電熱水裝置之較佳實施例；圖3是一示意圖，說明本發明智慧型省電熱水裝置的控制方法應用於該智慧型省電熱水裝置；及圖4是一流程圖，說明該智慧型省電熱水裝置之控制方法的較佳實施例。 Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view showing the Republic of China Announcement No. M445155 "Electric Water Heater Heating Structure" Patent Case; 1 is a schematic view showing a preferred embodiment of the intelligent power-saving hot water device of the present invention; FIG. 3 is a schematic view showing the control method of the intelligent power-saving hot water device of the present invention applied to the intelligent power-saving hot water device; and FIG. 4 is a A flow chart illustrating a preferred embodiment of the control method of the intelligent power saving hot water device.
在本發明被詳細描述之前，應當注意在以下的說明內容中，類似的元件是以相同的編號來表示。 Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.
參閱圖2與圖3，為本發明智慧型省電熱水裝置之較佳實施例，包含一儲水本體2、一加熱單元3、一感測單元4，及一控制單元5。 Referring to FIG. 2 and FIG. 3, a preferred embodiment of the intelligent power-saving hot water device of the present invention comprises a water storage body 2, a heating unit 3, a sensing unit 4, and a control unit 5.
該儲水本體2包括一入水管21，及一出水管22。該加熱單元3包括一設置於該儲水本體2上且用以加熱該儲水本體2內之水液的第一加熱器31，及一與該第一加熱器31相間隔地設置於該儲水本體2上並用以加熱該水液的第二加熱器32。該感測單元4包括一用以感測該水液之溫度的溫度感測器41。 The water storage body 2 includes an inlet pipe 21 and an outlet pipe 22. The heating unit 3 includes a first heater 31 disposed on the water storage body 2 for heating the water in the water storage body 2, and is disposed at the interval from the first heater 31. The water body 2 is used to heat the second heater 32 of the aqueous liquid. The sensing unit 4 includes a temperature sensor 41 for sensing the temperature of the water.
該控制單元5用以接收該感測單元之溫度感測器之訊息且控制該第一加熱器31的運作，並包括一受控制地調整該第一加熱器31之加熱功率且可關閉該第一加熱器31的功率調節器51、一用以接收該溫度感測器41之訊息且控制該功率調節器51運作的電子控制器52，及一受該電子控制器52控制而可開啟該第二加熱器32運作的開關器53。 The control unit 5 is configured to receive the information of the temperature sensor of the sensing unit and control the operation of the first heater 31, and includes a controlled adjustment of the heating power of the first heater 31 and can turn off the a power conditioner 51 of a heater 31, an electronic controller 52 for receiving the message of the temperature sensor 41 and controlling the operation of the power conditioner 51, and being controlled by the electronic controller 52 to enable the first The second heater 32 operates a switch 53.
該電子控制器52具有一目標溫度、一預設溫差、一為該目標溫度減去該預設溫差的第一切換溫度、一大於該第一切換溫度之第二切換溫度、一大於該第二切換溫度之第三切換溫度、一大於該第三切換溫度之第四切換溫度，及一大於該第四切換溫度且小於該目標溫度之第五切換溫度。於本較佳實施例中，該目標溫度為65℃、該預 設溫差為10℃、該第一切換溫度為55℃、該第二切換溫度為57℃、該第三切換溫度為59℃、該第四切換溫度為61℃，及該第五切換溫度為63℃，但不以此為限，可於生產設計時，依需求考量設定該預設溫差的值。 The electronic controller 52 has a target temperature, a preset temperature difference, a first switching temperature that is the target temperature minus the preset temperature difference, a second switching temperature that is greater than the first switching temperature, and a greater than the second a third switching temperature of the switching temperature, a fourth switching temperature greater than the third switching temperature, and a fifth switching temperature greater than the fourth switching temperature and less than the target temperature. In the preferred embodiment, the target temperature is 65 ° C, the pre- The temperature difference is 10 ° C, the first switching temperature is 55 ° C, the second switching temperature is 57 ° C, the third switching temperature is 59 ° C, the fourth switching temperature is 61 ° C, and the fifth switching temperature is 63. °C, but not limited to this, the value of the preset temperature difference can be set according to requirements during production design.
參閱圖3與圖4，為本發明智慧型省電熱水裝置之控制方法的較佳實施例，應用於控制如上所述之智慧型省電熱水裝置之較佳實施例，該控制方法包含一感測步驟6、一全速加熱步驟7、一調整步驟8，及一停止加熱步驟9。於該感測步驟6中，開啟該智慧型省電熱水裝置後，利用該感測單元4之溫度感測器41感測該儲水本體2內之水液的溫度。該全速加熱步驟7是當該控制單元5之電子控制器52接收該溫度感測器41所偵測到之溫度小於該電子控制器52的第一切換溫度時，該電子控制器52啟動該功率調節器51控制該加熱單元3之第一加熱器31進入一全速加熱模式，且該電子控制器52同時控制該開關器53啟動該第二加熱器32進入該全速加熱模式並同步加熱該水液。 Referring to FIG. 3 and FIG. 4, a preferred embodiment of a method for controlling a smart power-saving hot water device according to the present invention is applied to a preferred embodiment for controlling the intelligent power-saving hot water device as described above, and the control method includes a sense The measuring step 6, a full speed heating step 7, an adjusting step 8, and a stop heating step 9. In the sensing step 6, after the smart water-saving hot water device is turned on, the temperature sensor 41 of the sensing unit 4 senses the temperature of the water in the water storage body 2. The full-speed heating step 7 is when the electronic controller 52 of the control unit 5 receives the temperature detected by the temperature sensor 41 that is less than the first switching temperature of the electronic controller 52, the electronic controller 52 activates the power. The regulator 51 controls the first heater 31 of the heating unit 3 to enter a full speed heating mode, and the electronic controller 52 simultaneously controls the switch 53 to activate the second heater 32 to enter the full speed heating mode and simultaneously heat the liquid .
於該調整步驟8中，當該溫度感測器41所偵測到之溫度到達該第一切換溫度時，該第一加熱器31仍保持在該全速加熱模式，而該電子控制器52控制該開關器53立即關閉該第二加熱器32。而當該溫度感測器41所偵測到之溫度分別到達該第二切換溫度、該第三切換溫度、該第四切換溫度，及該第五切換溫度時，該功率調節器51控制該第一加熱器31依序進入一第一加熱模式、一第二加熱模式、一第三加熱模式，及一第四加熱模式而依序調降該第 一加熱器31之加熱功率。而在該停止加熱步驟9中，當該溫度感測器41偵測該水液的溫度到達該目標溫度時，該功率調節器51關閉該第一加熱器31。 In the adjusting step 8, when the temperature detected by the temperature sensor 41 reaches the first switching temperature, the first heater 31 remains in the full-speed heating mode, and the electronic controller 52 controls the The switch 53 immediately turns off the second heater 32. And when the temperature detected by the temperature sensor 41 reaches the second switching temperature, the third switching temperature, the fourth switching temperature, and the fifth switching temperature, respectively, the power regulator 51 controls the first a heater 31 sequentially enters a first heating mode, a second heating mode, a third heating mode, and a fourth heating mode to sequentially adjust the first The heating power of a heater 31. In the stop heating step 9, when the temperature sensor 41 detects that the temperature of the water liquid reaches the target temperature, the power conditioner 51 turns off the first heater 31.
使用時，冷水由該入水管21注入，而該溫度感測器41偵測該儲水本體2內之水液的溫度後，並傳遞至該電子控制器52。接著在該全速加熱步驟7中，當該電子控制器52判斷該溫度感測器41所偵測的溫度小於該第一切換溫度時，啟動該功率調節器51控制該第一加熱器31進入該全速加熱模式而加熱該水液，並且該電子控制器52同時控制該開關器53啟動該第二加熱器32同步加熱該水液。於本較佳實施例中，藉由該第一加熱器31與該第二加熱器32同時加熱該水液，能快速提高該水液之溫度，但不以此為限，於生產製造時只製造該第一加熱器31，同樣也能達成全速加熱的模式的效用，而於製造時，該加熱單元3單純只包括該第一加熱器31，或同時包括該第一加熱器31及該第二加熱器32，則以該儲水本體2之容量或整體加熱速率考量評估而定。 In use, cold water is injected from the water inlet pipe 21, and the temperature sensor 41 detects the temperature of the water in the water storage body 2 and transmits it to the electronic controller 52. Then, in the full-speed heating step 7, when the electronic controller 52 determines that the temperature detected by the temperature sensor 41 is less than the first switching temperature, the power regulator 51 is activated to control the first heater 31 to enter the The water is heated in the full speed heating mode, and the electronic controller 52 simultaneously controls the switch 53 to activate the second heater 32 to simultaneously heat the liquid. In the preferred embodiment, the first heater 31 and the second heater 32 simultaneously heat the liquid to quickly increase the temperature of the liquid, but not limited thereto. By manufacturing the first heater 31, the utility of the full-speed heating mode can also be achieved, and at the time of manufacture, the heating unit 3 simply includes only the first heater 31, or both the first heater 31 and the first The second heater 32 is determined by the capacity of the water storage body 2 or the overall heating rate.
再來於該調整步驟8中，當該溫度感測器41偵測到該水液被加熱至該第一切換溫度時，該電子控制器52控制該開關器53立即關閉該第二加熱器32。此時該第一加熱器31持續以全速加熱的模式運作，而當該溫度感測器41所偵測到之溫度分別到達該第二切換溫度、該第三切換溫度、該第四切換溫度，及該第五切換溫度時，該電子控制器52控制該功率調節器51控制該第一加熱器31依序進入 該第一加熱模式、該第二加熱模式、該第三加熱模式，及該第四加熱模式，進而依序分段調降該第一加熱器31的加熱功率。於本較佳實施例中，該功率調節器51是脈衝寬度調節電路的態樣，利用在一負載週期內縮短該第一加熱器31的導通時間，而控制該第一加熱器31在同一週期內通電時間的長短，進而降低該第一加熱器31的加熱功率。而該第一加熱模式、該第二加熱模式、該第三加熱模式，及該第四加熱模式的導通時間是依序減少，但不以此為限，可運用不同的轉換電路，只要能依序調降該第一加熱器31的加熱功率即可。再者，該功率調節器51可使該第一加熱器31依序進入該第一加熱模式到該第四加熱模式，而分四段式調降該第一加熱器31的加熱功率，但不以此為限，可生產設計於製造時，可設定增加或減少該功率調節器51調降該第一加熱器31功率的分段模式，只要能達成依序分段調降該第一加熱器31的加熱功率即可。 In the adjusting step 8, when the temperature sensor 41 detects that the water liquid is heated to the first switching temperature, the electronic controller 52 controls the switch 53 to immediately turn off the second heater 32. . At this time, the first heater 31 continues to operate in a full-speed heating mode, and when the temperature detected by the temperature sensor 41 reaches the second switching temperature, the third switching temperature, and the fourth switching temperature, respectively, And the fifth switching temperature, the electronic controller 52 controls the power regulator 51 to control the first heater 31 to enter sequentially The first heating mode, the second heating mode, the third heating mode, and the fourth heating mode further sequentially reduce the heating power of the first heater 31 in stages. In the preferred embodiment, the power conditioner 51 is in the form of a pulse width adjusting circuit, and the first heater 31 is controlled to be in the same cycle by shortening the on-time of the first heater 31 in a duty cycle. The length of the internal energization time further reduces the heating power of the first heater 31. The first heating mode, the second heating mode, the third heating mode, and the fourth heating mode are sequentially reduced, but not limited thereto, different conversion circuits can be used, as long as The heating power of the first heater 31 may be adjusted downward. In addition, the power regulator 51 can sequentially change the first heater 31 to the fourth heating mode to the fourth heating mode, and reduce the heating power of the first heater 31 in four stages, but not To this end, the production can be designed to increase or decrease the segmentation mode of the power conditioner 51 to lower the power of the first heater 31, as long as the first heater can be stepped down and down. The heating power of 31 can be.
最後在該停止加熱步驟9中，當該溫度感測器41偵測該水液已被加熱至該目標溫度時，該功率調節器51關閉該第一加熱器31。由於該第一加熱器31已被分段調降加熱功率，所以當該第一加熱器31停止加熱時，該第一加熱器31的不會殘留過高的溫度，避免導致過度加熱而造成該水液溫度過高。於本較佳實施例中，該第一加熱器31及該第二加熱器32的加熱功率分別可達3千瓦(KW)，但不以此為限。 Finally, in the stop heating step 9, the power conditioner 51 turns off the first heater 31 when the temperature sensor 41 detects that the water liquid has been heated to the target temperature. Since the first heater 31 has been stepped down to reduce the heating power, when the first heater 31 stops heating, the first heater 31 does not remain excessively high temperature, thereby avoiding excessive heating. The temperature of the water is too high. In the preferred embodiment, the heating power of the first heater 31 and the second heater 32 can be up to 3 kilowatts (KW), respectively, but not limited thereto.
藉由該控制單元5可調變該加熱單元3之加熱 功率，於在該調整步驟8中，當該水液之溫度到達該第一切換溫度時，該電子控制器52控制該開關器53關閉該第二加熱器32，而當該水液被加熱至該第二切換溫度且小於該目標溫度時，該功率調節器51逐步調降該第一加熱器31之加熱功率，使得該水液被加熱至該目標溫度時，該第一加熱器31的餘熱不會導致該水液過度加熱，且避免浪費多餘之電能。 The heating of the heating unit 3 can be adjusted by the control unit 5 Power, in the adjusting step 8, when the temperature of the water liquid reaches the first switching temperature, the electronic controller 52 controls the switch 53 to turn off the second heater 32, and when the water is heated to When the second switching temperature is lower than the target temperature, the power regulator 51 gradually reduces the heating power of the first heater 31 so that the residual heat of the first heater 31 when the water is heated to the target temperature It does not cause excessive heating of the water and avoids wasting excess power.
在此要特別說明的是，該智慧型省電熱水裝置的控制方法還包含一設定步驟100，該設定步驟100中利用該控制單元5之電子控制器52可調整該目標溫度，由於該預設溫差為10℃是出廠前就已被設定且不能變更，當該目標溫度被調整時，該電子控制器之一內建程式會對應轉換該第一切換溫度到第五切換溫度，例如在夏天或天氣炎熱時，將該目標溫度調降為50℃時，該第一切換溫度則為40℃，而該第二切換溫度為42℃、該第三切換溫度為44℃、該第四切換溫度為46℃，及該第五切換溫度為48℃，使用者可依不同季節或氣溫，及自身使用需求調整該目標溫度，使用上符合人性化的考量且實用性佳。 It should be particularly noted that the control method of the intelligent power-saving hot water device further includes a setting step 100 in which the electronic controller 52 of the control unit 5 can adjust the target temperature due to the preset. The temperature difference of 10 ° C is set before the factory and can not be changed. When the target temperature is adjusted, one of the electronic controller built-in programs will convert the first switching temperature to the fifth switching temperature, for example, in the summer or When the weather is hot, when the target temperature is lowered to 50 ° C, the first switching temperature is 40 ° C, and the second switching temperature is 42 ° C, the third switching temperature is 44 ° C, and the fourth switching temperature is 46 ° C, and the fifth switching temperature is 48 ° C, the user can adjust the target temperature according to different seasons or temperature, and their own use needs, the use is in line with human considerations and practical.
綜上所述，本發明智慧型省電熱水裝置，藉由該控制單元5可調變該加熱單元3之加熱功率之設計，而在該調整步驟8中，當該水液被加熱至該第一切換溫度時，該控制單元5逐步調降該加熱單元3之加熱功率，而加熱至該目標溫度，避免該水液過度加熱，有效節省電能，故確實能達成本發明之目的。 In summary, the intelligent power-saving hot water device of the present invention can change the design of the heating power of the heating unit 3 by the control unit 5, and in the adjusting step 8, when the water liquid is heated to the first When the temperature is switched, the control unit 5 gradually reduces the heating power of the heating unit 3, and heats to the target temperature to avoid excessive heating of the water liquid, thereby effectively saving electric energy, so that the object of the present invention can be achieved.
惟以上所述者，僅為本發明之較佳實施例而已，當不能以此限定本發明實施之範圍，即大凡依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾，皆仍屬本發明專利涵蓋之範圍內。 The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.
6‧‧‧感測步驟 6‧‧‧Sensing steps
7‧‧‧全速加熱步驟 7‧‧‧Full speed heating step
8‧‧‧調整步驟 8‧‧‧Adjustment steps
9‧‧‧停止加熱步驟 9‧‧‧Stop heating step
100‧‧‧設定步驟 100‧‧‧Setting steps
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