CN104019556A - Water return control device, water system and water return control method - Google Patents
Water return control device, water system and water return control method Download PDFInfo
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- CN104019556A CN104019556A CN201410270389.1A CN201410270389A CN104019556A CN 104019556 A CN104019556 A CN 104019556A CN 201410270389 A CN201410270389 A CN 201410270389A CN 104019556 A CN104019556 A CN 104019556A
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Abstract
The invention provides a water return control device, a water system and a water return control method. The water return control method comprises the following steps that 102, a processing unit judges whether the water return control device is in any of a plurality of working time periods or not according to current time recorded by a timing unit; 104, if not, the step 102 is executed, and if yes, the processing unit is used for reading a current temperature value, detected by a detector, of water in the water system; 106, the processing unit compares the detected current temperature value with a first temperature value and a second temperature value which are preset in a storage unit and correspond to any working time period, a water pump starts to work if the current temperature value is smaller than the first temperature value corresponding to any working time period, and the water pump stops working if the current temperature value is equal to or higher than the second temperature value corresponding to any working time period. Through the water return control device, the water system and the water return control method, heat loss caused by continuous circulation of hot water is reduced effectively.
Description
Technical field
The present invention relates to household appliance technical field, more specifically, relate to a kind of back water controlling apparatus, a kind of water system and a kind of backwater control method.
Background technology
The object of back water controlling apparatus is, when guaranteeing to need water, all, with water spot, to have hot water supply.The control mode of the back water controlling apparatus that prior art is used, can cause hot water in water pipe, flow always and retain, and when guaranteeing water comfortableness, has also wasted a large amount of heats.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.
For this reason, one object of the present invention is, provides a kind of and is guaranteeing, under the prerequisite of water comfortableness, to reduce the back water controlling apparatus of thermal losses.
Another object of the present invention is, a kind of water system is provided.
Another object of the present invention is, a kind of backwater control method is provided.
For achieving the above object, first aspect present invention embodiment provides a kind of back water controlling apparatus, comprising: the first water inlet pipe; The first outlet pipe; Water pump, the import of described water pump is connected with the first end of described the first water inlet pipe, and described water delivery side of pump is connected with the first end of described the first outlet pipe; Temperature Detector, described Temperature Detector is arranged on described the first outlet pipe, for detection of the current temperature value of water in described the first outlet pipe, and exports described current temperature value; And controller, described controller is connected with described temperature-detecting device with described water pump, described controller comprises: memory cell, in described memory cell, be provided with a plurality of working time sections, all corresponding first temperature value of working time section and second temperature value described in each, and described the first temperature value is lower than described the second temperature value; Timing unit, described timing unit is connected with described memory cell, for real-time timing; And processing unit, described processing unit is connected with described timing unit, and described processing unit is controlled described water pump unlatching or closes according to the residing working time section of described back water controlling apparatus and the detected current temperature value of described temperature-detecting device.
Back water controlling apparatus provided by the invention, when guaranteeing water comfortableness, effectively reduced the working time of back water controlling apparatus, thereby avoided the amount of heat loss causing in constantly circulating state because of hot water, greatly reduce energy loss, specifically, a plurality of working time sections are set on controller, and corresponding the first temperature and the second temperature are set for each time period, only have when back water controlling apparatus is in arbitrary working time section, and when the current temperature value that Temperature Detector detects is less than the first temperature corresponding thereto, controller is just controlled pump working, like this, make the water pump can only be in official hour section, and work under defined terms, hot water can only be at the appointed time, and circulate under defined terms, both guaranteed water comfortableness, reduced again the mobile frequency of hot water circuit, thereby effectively reduced the heat loss that flows and cause because of hot water circuit, greatly reduce energy loss, and then promoted the quality of back water controlling apparatus.
According to one embodiment of present invention, described controller also comprises: force switch, described force switch is connected with described water pump, at described back water controlling apparatus in non-described a plurality of working time during section, the unlatching of described force switch or close and can control the unlatching of described water pump or close.
Second aspect present invention embodiment provides a kind of water system, comprising: water tank, is provided with import and outlet on described water tank; The second outlet pipe, one end of described the second outlet pipe is connected with the import of described water tank, and the other end is connected with the outlet of described water tank, and is provided with a plurality of delivery ports on described the second outlet pipe; The second water inlet pipe, described the second water inlet pipe is connected with the import of described water tank; With the back water controlling apparatus that the arbitrary embodiment of above-mentioned first aspect provides, described back water controlling apparatus is arranged on described the second outlet pipe, and between a plurality of described delivery ports and the import of described water tank.
Water system provided by the invention has the back water controlling apparatus that above-mentioned arbitrary embodiment provides; therefore; this water system has whole beneficial effects of the back water controlling apparatus that above-mentioned arbitrary embodiment provides, and do not repeat them here, but its application all should be within protection scope of the present invention.
According to one embodiment of present invention, described water system also comprises: the first check valve, and the import of described the first check valve is connected with described back water controlling apparatus, and the outlet of described the first individual event valve is connected with the import of described water tank; With the second individual event valve, described the second check valve is arranged on described water inlet pipe, and the circulating direction of described the second check valve is for flowing to the import of described water tank from described water inlet pipe.
Third aspect present invention embodiment provides a kind of backwater control method, the backwater control of the back water controlling apparatus providing for first aspect present invention embodiment, and described backwater control method comprises:
Step 102, processing unit judges in the described a plurality of working time sections whether described back water controlling apparatus arrange in memory cell in arbitrary working time section according to the current time of timing unit record;
Step 104, if described back water controlling apparatus is not in described a plurality of working time sections in arbitrary working time section, repeating step 102, if described back water controlling apparatus in arbitrary working time section, makes described processing unit read the current temperature value of the interior water of water system of Temperature Detector detection in described a plurality of working time sections;
Step 106, processing unit by the described current temperature value detecting respectively first temperature value and second temperature value corresponding with described arbitrary working time section default in described memory cell contrast;
If described current temperature value, lower than first temperature value corresponding with described arbitrary working time section, makes the water pump unlatching work of described back water controlling apparatus,
If described current temperature value is equal to or higher than second temperature value corresponding with described arbitrary working time section, make described water pump quit work.
Backwater control method provided by the invention, when guaranteeing water comfortableness, effectively reduced the working time of back water controlling apparatus, thereby avoided the amount of heat loss causing in constantly circulating state because of hot water, greatly reduce energy loss, specifically, a plurality of working time sections are set on controller, and corresponding the first temperature and the second temperature are set for each time period, only have when back water controlling apparatus is in any working time end, and when the current temperature value that Temperature Detector detects is less than the first temperature corresponding thereto, controller is just controlled pump working, like this, make the water pump can only be in official hour section, and work under defined terms, hot water can only be at the appointed time, and circulate under defined terms, thereby effectively reduced the mobile frequency of hot water circuit, and then reduced because of the mobile heat loss causing of hot water circuit, greatly reduce energy loss.
In addition, the backwater control method providing according to the above embodiment of the present invention also has following additional technical feature:
According to one embodiment of present invention, in described memory cell, be provided with the first working time section, the second working time section, the 3rd working time section and the 4th working time section.
According to one embodiment of present invention, described very first time section is 5 up to 8 o'clock, and described the second time period is 11 up to 13 o'clock, and described the 3rd time period is 18 up to 20 o'clock, and described the 4th time period is 21 up to 23 o'clock.
According to one embodiment of present invention, described first temperature value of described the first working time section, described the second working time section and described the 3rd working time section is all between 20 ℃ to 37 ℃; Described first temperature value of described the 4th working time section is between 25 ℃ to 42 ℃.
According to one embodiment of present invention, described second temperature value of described the first working time section, described the second working time section and described the 3rd working time section is all between 30 ℃ to 40 ℃; Described second temperature value of described the 4th working time section is between 35 ℃ to 45 ℃.
According to one embodiment of present invention, described back water controlling apparatus is also provided with force switch, described gauge tap is connected with described water pump, when described back water controlling apparatus is in non-described a plurality of working time sections, the opening and closing of described force switch can be controlled the opening and closing of described water pump.
Additional aspect of the present invention and advantage will provide in description part below, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the schematic flow diagram of the control method of the back water controlling apparatus described in one embodiment of the invention;
Fig. 2 is according to the structural representation of the back water controlling apparatus described in one embodiment of the invention;
Fig. 3 is according to the structural representation of the water system described in one embodiment of the invention.
Wherein, in Fig. 2 and Fig. 3, the corresponding relation between Reference numeral and component names is:
100 water systems, 10 back water controlling apparatus, 11 first water inlet pipes, 12 first outlet pipes, 13 water pumps, 14 Temperature Detectors, 20 water tanks, 30 second outlet pipes, 31 delivery ports, 40 second water inlet pipes, 50 first check valves, 60 second check valves.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments, the present invention is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from mode described here and implement, and therefore, protection scope of the present invention is not subject to the restriction of following public specific embodiment.
2 the back water controlling apparatus 10 providing is according to some embodiments of the invention described with reference to the accompanying drawings.
As shown in Figure 2, the back water controlling apparatus 10 that one embodiment of the invention provide, comprising: the first water inlet pipe 11, the first outlet pipe 12, water pump 13, Temperature Detector 14 and controller (not shown);
Wherein, the import of water pump 13 is connected with the first end of the first water inlet pipe 11, and the outlet of water pump 13 is connected with the first end of the first outlet pipe 12; Temperature Detector 14 is arranged on the first outlet pipe 12, for detection of the current temperature value of the first outlet pipe 12 interior water; Controller is connected with temperature-detecting device 14 with water pump 13, controller comprises memory cell, timing unit and processing unit, in memory cell, be provided with a plurality of working time sections, all corresponding first temperature value of each working time section and second temperature value, and the first temperature value is lower than the second temperature value; Timing unit is connected with memory cell, for real-time timing; Processing unit is connected with timing unit, and processing unit is controlled water pump unlatching or closes according to the residing working time section of back water controlling apparatus and the detected current temperature value of temperature-detecting device.
Particularly, processing unit is compared the current temperature value receiving first temperature value corresponding with arbitrary working time section, if current temperature value is lower than first temperature value corresponding with arbitrary working time section, make water pump 13 unlatching work, if when current temperature value is equal to or higher than second temperature value corresponding with arbitrary working time section, make water pump 13 quit work.
The back water controlling apparatus 10 that the present embodiment provides, when guaranteeing water comfortableness, effectively reduced the working time of back water controlling apparatus 10, thereby avoided the amount of heat loss causing in constantly circulating state because of hot water, greatly reduce energy loss, specifically, a plurality of working time sections are set on controller, and corresponding the first temperature and the second temperature are set for each time period, only have when back water controlling apparatus 10 is in arbitrary working time section, and when the current temperature value that Temperature Detector 14 detects is less than the first temperature corresponding thereto, controller is just controlled water pump 13 work, like this, make the water pump 13 can only be in official hour section, and work under defined terms, hot water can only be at the appointed time, and circulate under defined terms, both guaranteed water comfortableness, reduced again the mobile frequency of hot water circuit, thereby effectively reduced the heat loss that flows and cause because of hot water circuit, greatly reduce energy loss, and then promoted the quality of back water controlling apparatus 10.
In a preferred exemplary of the present embodiment, controller also comprises force switch (not shown), force switch is connected with water pump, at back water controlling apparatus 10 in non-a plurality of working time during section, the unlatching of force switch or close and can control the unlatching of water pump 13 or close.
The setting of force switch, makes user in the non-working time of back water controlling apparatus 10 section, still can drive water pump 13 work, thereby has effectively improved the serviceability of back water controlling apparatus 10.
3 the water system 100 that other embodiment provide according to the present invention is described with reference to the accompanying drawings.
As shown in Figure 3, the water system 100 that another embodiment of the present invention provides, comprising: the back water controlling apparatus 10 that water tank 20, the second outlet pipe 30, the second water inlet pipe 40 and above-mentioned arbitrary embodiment provide.
Wherein, be provided with import and outlet on water tank, one end of the second outlet pipe 30 is connected with the import of water tank 20, and the other end is connected with the outlet of water tank 20, and is provided with a plurality of delivery ports 31 on the second outlet pipe 30; The second water inlet pipe 40 is connected with the import of water tank 20; Back water controlling apparatus 10 is arranged on the second outlet pipe 30, and between a plurality of delivery ports 31 and the import of water tank 20.
The water system 100 that the present embodiment provides has the back water controlling apparatus 10 that above-mentioned arbitrary embodiment provides; therefore; this water system 100 has whole beneficial effects of the back water controlling apparatus 10 that above-mentioned arbitrary embodiment provides; do not repeat them here, but its application all should be within protection scope of the present invention.
In a preferred exemplary of the present embodiment, water system 100 also comprises: the first check valve 50 and the second individual event valve;
Particularly, the import of the first check valve 50 is connected with back water controlling apparatus 10, and the outlet of the first individual event valve is connected with the import of water tank 20; The second check valve 60 is arranged on water inlet pipe, and the circulating direction of the second check valve 60 is for flowing to the import of water tank 20 from water inlet pipe.
The setting of the first check valve 50 can effectively avoid water to flow to back water controlling apparatus 10 from the import of water tank 20, cause back water controlling apparatus 10 to break down, and the setting of the second check valve 60, effectively avoided the water in water tank 20 to flow out from water inlet pipe, thereby guaranteed there is enough water in water tank 20.
1 the backwater control method that other embodiment provides according to the present invention, the backwater control of the back water controlling apparatus providing for the above embodiment of the present invention are described with reference to the accompanying drawings.
As shown in Figure 1, the backwater control method that another embodiment of the present invention provides, comprising:
Step 102, processing unit judge that according to the current time of timing unit record back water controlling apparatus is whether in a plurality of working time sections in memory cell setting in arbitrary working time section;
Step 104, if back water controlling apparatus is not in a plurality of working time sections in arbitrary working time section, repeating step 102, if back water controlling apparatus in arbitrary working time section, makes processing unit read the current temperature value of the interior water of water system of Temperature Detector detection in a plurality of working time sections;
Step 106, processing unit by the current temperature value of detection respectively first temperature value and second temperature value corresponding with arbitrary working time section default in memory cell contrast;
If current temperature value, lower than first temperature value corresponding with arbitrary working time section, makes the water pump unlatching work of back water controlling apparatus,
If current temperature value is equal to or higher than second temperature value corresponding with arbitrary working time section, make water pump quit work.
The backwater control method that the present embodiment provides, when guaranteeing water comfortableness, effectively reduced the working time of back water controlling apparatus, thereby avoided the amount of heat loss causing in constantly circulating state because of hot water, greatly reduce energy loss, specifically, a plurality of working time sections are set on controller, and corresponding the first temperature and the second temperature are set for each time period, only have when back water controlling apparatus is in arbitrary working time section, and when the current temperature value that Temperature Detector detects is less than the first temperature corresponding thereto, processing unit is just controlled pump working, like this, make the water pump can only be in official hour section, and work under defined terms, hot water can only be at the appointed time, and circulate under defined terms, both guaranteed water comfortableness, reduced again the mobile frequency of hot water circuit, thereby effectively reduced the heat loss that flows and cause because of hot water circuit, greatly reduce energy loss.
Preferably, back water controlling apparatus is also provided with force switch, and force switch is connected with water pump, and when back water controlling apparatus is in non-a plurality of working time sections, the opening and closing of force switch can be controlled the opening and closing of water pump.
The setting of force switch, makes user in the non-working time of back water controlling apparatus section, still can drive pump working, thereby effectively improve the serviceability of back water controlling apparatus.
In a preferred exemplary of the present embodiment, on controller, be provided with the first working time section, the second working time section, the 3rd working time section and the 4th working time section.
Particularly, very first time section is 5 up to 8 o'clock, and the second time period was 11 up to 13 o'clock, and the 3rd time period was 18 up to 20 o'clock, and the 4th time period was 21 up to 23 o'clock.
According to the water habits of every day, backwater time every day is divided into morning, noon, dusk and four time periods of evening, i.e. the first working time section, the second working time section, the 3rd working time section and the 4th working time section, like this, only needing back water controlling apparatus 10 work in the time period of water, guaranteeing, under the prerequisite of water comfortableness, effectively to have reduced energy loss, reduced the waste of the energy.
Preferably, the first temperature value of the first working time section, the second working time section and the 3rd working time section is all between 20 ℃ to 37 ℃; The first temperature value of the 4th working time section is between 25 ℃ to 42 ℃; The second temperature value of the first working time section, the second working time section and the 3rd working time section is all between 30 ℃ to 40 ℃; The second temperature value of the 4th working time section is between 35 ℃ to 45 ℃.
According to table one, illustrate the concrete operations of the backwater control method that the present embodiment provides below as follows:
The first step, memory cell is according to the water habits of every day, the backwater time of every day be divided into morning, noon, dusk and evening four-stage, corresponding different return water temperatures (referring to table one) of each stage.
Second step, processing unit judge that according to the current time of timing unit record back water controlling apparatus is whether in a plurality of working time sections in setting in arbitrary working time section, if back water controlling apparatus in arbitrary working time section, makes Temperature Detector detect the current temperature value of water in water system in a plurality of working time sections;
The 3rd step, processing unit by the current temperature value of detection respectively first temperature value and second temperature value corresponding with arbitrary working time section contrast, concrete comparison process is as follows:
When back water controlling apparatus is the time period in the morning during in (t1～t2,5 o'clock-8 o'clock), if the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
1-△ T ℃ (20 ℃-37 ℃), make water pump start working; If the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
1℃ (30 ℃-40 ℃), make water pump quit work.Like this, in the time period of t1～t2, the water temperature of whole water system all maintains T in the morning
1-△ T～T
1between ℃.
When back water controlling apparatus is when noon section (t3～t4,11 o'clock-13 o'clock), if the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
2-△ T ℃ (20 ℃-37 ℃), make water pump start working; If the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
2℃ (30 ℃-40 ℃), make water pump quit work.Like this, in the time period of t3～t4, the water temperature of whole water system all maintains T at noon
2-△ T～T
2between ℃.
When back water controlling apparatus is the dusk time period during in (t5～t6,18 o'clock-20 o'clock), if the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
3-△ T ℃ (20 ℃-37 ℃), make water pump start working; If the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
3℃ (30 ℃-40 ℃), make water pump quit work.Like this, in the time period of t5～t6, the water temperature of whole water system all maintains T at noon
3-△ T～T
3between ℃.
When back water controlling apparatus is the time period in the evening during in (t7～t8,21 o'clock-23 o'clock), if the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
4-△ T ℃ (25 ℃ to 42 ℃), make water pump start working; If the current temperature value temperature of water is lower than T in the water system that Temperature Detector detects
3℃ (35 ℃ to 45 ℃), make water pump quit work.Like this, in the time period of t7～t8, the water temperature of whole water system all maintains T at noon
4-△ T～T
4between ℃.
Table one
In sum, technical scheme provided by the invention, when guaranteeing water comfortableness, has reduced the working time of back water controlling apparatus effectively, thereby avoided the amount of heat loss causing in constantly circulating state because of hot water, greatly reduced energy loss.
In description of the invention, term " a plurality of " refers to two or more, and term " first ", " second " be the object for describing only, and can not be interpreted as indication or hint relative importance, unless otherwise clearly defined and limited.
In description of the invention, term " installation ", " being connected " etc. all should be interpreted broadly, and for example, " being connected " can be to be directly connected, and also can indirectly be connected by intermediary.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the description of this description, the specific features that the description of term " embodiment ", " some embodiment " etc. means to describe in conjunction with this embodiment or example, structure, material or be contained at least one embodiment of the present invention or example when special.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And, the specific features of description, structure, material or can be with suitable mode combination in any one or more embodiment or example when special.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a back water controlling apparatus, is characterized in that, comprising:
The first water inlet pipe;
The first outlet pipe;
Water pump, the import of described water pump is connected with the first end of described the first water inlet pipe, and described water delivery side of pump is connected with the first end of described the first outlet pipe;
Temperature Detector, described Temperature Detector is arranged on described the first outlet pipe, for detection of the current temperature value of water in described the first outlet pipe, and exports described current temperature value; And
Controller, described controller is connected with described temperature-detecting device with described water pump,
Described controller comprises:
Memory cell, is provided with a plurality of working time sections in described memory cell, all corresponding first temperature value of working time section and second temperature value described in each, and described the first temperature value is lower than described the second temperature value;
Timing unit, described timing unit is connected with described memory cell, for real-time timing; With
Processing unit, described processing unit is connected with described timing unit, and described processing unit is controlled described water pump unlatching or closes according to the residing working time section of described back water controlling apparatus and the detected current temperature value of described temperature-detecting device.
2. back water controlling apparatus according to claim 1, is characterized in that,
Described controller also comprises: force switch, described force switch is connected with described water pump, at described back water controlling apparatus in non-described a plurality of working time during section, the unlatching of described force switch or close and can control the unlatching of described water pump or close.
3. a water system, is characterized in that, comprising:
Water tank, is provided with import and outlet on described water tank;
The second outlet pipe, one end of described the second outlet pipe is connected with the import of described water tank, and the other end is connected with the outlet of described water tank, and is provided with a plurality of delivery ports on described the second outlet pipe;
The second water inlet pipe, described the second water inlet pipe is connected with the import of described water tank; With
Back water controlling apparatus as claimed in claim 1 or 2, described back water controlling apparatus is arranged on described the second outlet pipe, and between a plurality of described delivery ports and the import of described water tank.
4. water system according to claim 3, is characterized in that, also comprises:
The first check valve, the import of described the first check valve is connected with described back water controlling apparatus, and the outlet of described the first individual event valve is connected with the import of described water tank; With
The second individual event valve, described the second check valve is arranged on described water inlet pipe, and the circulating direction of described the second check valve is for flowing to the import of described water tank from described water inlet pipe.
5. a backwater control method, the backwater control for back water controlling apparatus as claimed in claim 1, is characterized in that, described backwater control method comprises:
Step 102, processing unit judges in the described a plurality of working time sections whether described back water controlling apparatus arrange in memory cell in arbitrary working time section according to the current time of timing unit record;
Step 104, if described back water controlling apparatus is not in described a plurality of working time sections in arbitrary working time section, repeating step 102, if described back water controlling apparatus in arbitrary working time section, makes described processing unit read the current temperature value of the interior water of water system of Temperature Detector detection in described a plurality of working time sections;
Step 106, processing unit by the described current temperature value detecting respectively first temperature value and second temperature value corresponding with described arbitrary working time section default in described memory cell contrast;
If described current temperature value, lower than first temperature value corresponding with described arbitrary working time section, makes the water pump unlatching work of described back water controlling apparatus,
If described current temperature value is equal to or higher than second temperature value corresponding with described arbitrary working time section, make described water pump quit work.
6. backwater control method according to claim 5, is characterized in that,
Described memory cell is provided with the first working time section, the second working time section, the 3rd working time section and the 4th working time section.
7. backwater control method according to claim 6, is characterized in that,
Described very first time section is 5 up to 8 o'clock, and described the second time period is 11 up to 13 o'clock, and described the 3rd time period is 18 up to 20 o'clock, and described the 4th time period is 21 up to 23 o'clock.
8. backwater control method according to claim 7, is characterized in that,
Described first temperature value of described the first working time section, described the second working time section and described the 3rd working time section is all between 20 ℃ to 37 ℃; Described first temperature value of described the 4th working time section is between 25 ℃ to 42 ℃.
9. backwater control method according to claim 8, is characterized in that
Described second temperature value of described the first working time section, described the second working time section and described the 3rd working time section is all between 30 ℃ to 40 ℃; Described second temperature value of described the 4th working time section is between 35 ℃ to 45 ℃.
10. according to the backwater control method described in any one in claim 5 to 9, it is characterized in that,
Described back water controlling apparatus is also provided with force switch, described gauge tap is connected with described water pump, when described back water controlling apparatus is in non-described a plurality of working time sections, the opening and closing of described force switch can be controlled the opening and closing of described water pump.
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| CN105157236A (en) * | 2015-07-22 | 2015-12-16 | 珠海格力电器股份有限公司 | Water heater water returning control method |
| CN108716774A (en) * | 2018-05-25 | 2018-10-30 | 珠海格力电器股份有限公司 | A kind of intelligent backwater method, water recovery apparatus and water heater |
| CN110849034A (en) * | 2019-12-02 | 2020-02-28 | 广东美的暖通设备有限公司 | Control method and device for heat pump system, heat pump system and storage medium |
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| CN105157236A (en) * | 2015-07-22 | 2015-12-16 | 珠海格力电器股份有限公司 | Water heater water returning control method |
| CN105157236B (en) * | 2015-07-22 | 2018-10-09 | 珠海格力电器股份有限公司 | Water heater backwater control method |
| CN108716774A (en) * | 2018-05-25 | 2018-10-30 | 珠海格力电器股份有限公司 | A kind of intelligent backwater method, water recovery apparatus and water heater |
| CN110849034A (en) * | 2019-12-02 | 2020-02-28 | 广东美的暖通设备有限公司 | Control method and device for heat pump system, heat pump system and storage medium |
| CN110849034B (en) * | 2019-12-02 | 2022-04-15 | 广东美的暖通设备有限公司 | Control method and device for heat pump system, heat pump system and storage medium |
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Application publication date: 20140903 |