CN105157236B - Water heater backwater control method - Google Patents
Water heater backwater control method Download PDFInfo
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- CN105157236B CN105157236B CN201510437748.2A CN201510437748A CN105157236B CN 105157236 B CN105157236 B CN 105157236B CN 201510437748 A CN201510437748 A CN 201510437748A CN 105157236 B CN105157236 B CN 105157236B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 392
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000007423 decrease Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a water heater backwater control method, which comprises the following steps: judging a frequently used water point and an infrequently used water point in a plurality of water using points of the water heater; and when the water temperature of the common water point is less than a first preset value, only returning water to the common water point. According to the invention, water consumption points are firstly divided into frequent water consumption points and infrequent water consumption points, and when the water temperature of the frequent water consumption points is less than a first preset value, only the frequent water consumption points are backwashed, but the infrequent water consumption points are not backwashed. Therefore, the control can be carried out in a targeted manner, and the heat waste is effectively prevented while the water comfort is ensured.
Description
Technical field
The present invention relates to water heater backwater control fields, in particular to a kind of water heater backwater control method.
Background technology
Hot water machine water tank hot water outlet often has very long one section of pipeline from user with water spot, this section of pipeline can be into environment
Heat dissipation is so that the hot water cooling in pipeline cools off.When user is specifically with the water spacer last time with the water long period, due to pipeline
Interior water cools off, and opens tap and generally requires to bleed off a big chunk water up to hot water arrival water spot in water tank, wastes water
Resource and user time.
Currently, most of hot water machines can carry water return function or the external water recovery apparatus of engineering, when detecting user's water
When temperature is less than a setting value at point, back water pump is automatically turned on, hot water in water tank is sent to water spot and cold water is sent to water tank,
Ensure that user opens tap and has hot water available at any time in this way.However, this water return method, is used only by detection
Water spot water temperature acts to control return water, as soon as when water temperature drops to setting value or less, starts back water pump and carries out whole water systems
Return water, disadvantage are：It cannot be distinguished with water spot with regimen condition to different, broadly whole return water points all carry out
Return water, increase heat dissipation, waste of energy, this be also user often denounce air energy thermal water dispenser energy consumption the reason of one of.
Invention content
A kind of hot water that heat waste can be effectively prevent while guarantee water comfort is provided in the embodiment of the present invention
Device backwater control method.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of water heater backwater control method, including：Judge heat
Multiple warps in water spot of hydrophone commonly use water spot and without common water spots；It is pre- to be less than first in the water temperature through commonly using water spot
When definite value, only return water is carried out through commonly using water spot to described.
Preferably, judging that multiple warps in water spot of water heater commonly use water spot and include with without common water spot：To institute
It states and multiple carries out return water twice with water spot；The water temperature variation of water spot is respectively used in the detection return water interval of return water twice；Judge
Whether detect that a certain water temperature with water spot first rises at least once, then slowly decline, then increases again；If it is, described
It is a certain with water spot be through commonly use water spot, otherwise, it is described it is a certain with water spot be without common water spot.
Preferably, the method further includes：To the multiple return water twice is carried out with water spot；Return water twice described in detection
Return water interval in respectively use water spot water temperature change；If there is no user's water between the interval of return water twice, and detect
To more than the prearranged multiple of the minimum water temperature drop rate in the water temperature drop rate to all branches of a certain branch, then judge
The heat-insulating property of a certain branch is poor, and otherwise the heat-insulating property of a certain branch is good.
Preferably, carrying out return water twice to the multiple with water spot and including：It is less than with the water temperature of water spot the multiple
When second predetermined value, first time return water is carried out with water spot to the multiple, to ensure that the multiple pipeline with water spot has phase
Same water temperature；After the first predetermined time of the first time return water, second of return water is carried out with water spot to the multiple.
Preferably, water temperature variation is sent to high in the clouds, and by the high in the clouds judge it is described it is a certain with water spot be through
Common water spot is still without common water spot.
Preferably, the method further includes：Its judging result is returned to the unit of the water heater by the high in the clouds；Institute
It states unit and reminds whether user carries out intelligent backwater control；If user, which authorizes, carries out intelligent backwater control, just described frequent
When being less than the first predetermined value with the water temperature of water spot, only return water is carried out through commonly using water spot to described；Otherwise, in the multiple use
When the water temperature of water spot is less than the first predetermined value, return water is carried out with water spot to all.
Preferably, water temperature variation is sent to high in the clouds, the high in the clouds judge the heat-insulating property of a certain branch compared with
Difference or good and will determine that result returns to the unit of the water heater to remind user that there are the poor branch of heat-insulating property
Road.
Preferably, the method further includes：Obtain environment temperature；Judge described whether high without the water temperature of common water spot
In scheduled icing early warning temperature；When the water temperature without common water spot is higher than the icing early warning temperature, described in closing
Without the branch road control valve door of common water spot.
Preferably, the method further includes：Return water temperature is forced for described be arranged without common water spot, it is described to force back
Coolant-temperature gage is higher than the icing early warning temperature；When the water temperature without common water spot is less than the icing early warning temperature, open
It opens the branch road control valve door and carries out return water.
Preferably, during return water, when water temperature rises to third predetermined value, stop return water.
The present invention will be divided into first with water spot commonly uses the water temperature of water spot through common water spot with without common water spot, and in warp
When less than first predetermined value, return water only is carried out through commonly using water spot to described, still, not to without common water spot return water.In this way, can
Targetedly to be controlled, thus effectively prevent while guarantee water comfort the waste of heat.
Description of the drawings
Fig. 1 is the flow chart of the water heater backwater control method of the embodiment of the present invention.
Specific implementation mode
Present invention is further described in detail in the following with reference to the drawings and specific embodiments, but not as the limit to the present invention
It is fixed.
Referring to FIG. 1, the embodiment of the present invention provides a kind of water heater backwater control method, including：Judge the more of water heater
A warp in water spot commonly uses water spot and without common water spot；When the water temperature through commonly using water spot is less than first predetermined value,
Only return water is carried out through commonly using water spot to described.In a preferred embodiment, it is detected using each temperature sensing package with water branch
Respectively use the water temperature of water spot.
When work, will be divided into water spot first through common water spot and without common water spot, and monitor water temperature in real time, and work as warp
When the water temperature of common water spot is less than first predetermined value, return water only is carried out through commonly using water spot to described, still, not to without common water
Point return water.For example, have at the user it is multiple use water spots, and pass through commonly use water spot there was only sub-fraction and major part water spot infrequently
In use, only needing that return water will be carried out through the common relevant pipeline of water spot.Thus, the present invention can carry out targetedly
It controls, thus effectively prevents the waste of heat while guarantee water comfort.
Preferably, judge that multiple warps in water spot of water heater commonly use water spot and include with without common water spot：To described
It is multiple to carry out return water twice with water spot；The water temperature variation of water spot is respectively used in the detection return water interval of return water twice；Judgement is
It is no to detect that a certain water temperature with water spot first rises at least once, then slowly decline, then increase again；If it is, it is described certain
One with water spot be through commonly use water spot, otherwise, it is described it is a certain with water spot be without common water spot.
Wherein, it is a certain with water spot due to caused by the return water in return water stage water temperature rise, then delayed due to natural heat dissipation
It is slow to decline, water temperature can be caused to increase again when having user's water and attract hot water.Therefore, it is possible to by return water interval twice
In with the presence or absence of temperature raising come judge it is a certain with water spot whether be through commonly use water spot.If water is not present between return water twice
Temperature increases, then due to not introducing hot water because user is with water, water temperature is in always slowly declines state, thus, the use
Water spot is without common water spot.
Preferably, the method further includes：To the multiple return water twice is carried out with water spot；Return water twice described in detection
The water temperature of water spot is respectively used to change in return water interval；If there is no user's water between the interval of return water twice, and detect
More than the prearranged multiple of the minimum water temperature drop rate in the water temperature drop rate to all branches of a certain branch, then judging should
The heat-insulating property of a certain branch is poor, and otherwise the heat-insulating property of a certain branch is good.
Preferably, it carries out return water twice to the multiple with water spot and includes：In the multiple water temperature with water spot less than the
When two predetermined values, first time return water is carried out with water spot to the multiple, to ensure that it is identical that the multiple pipeline with water spot has
Water temperature；After the first predetermined time of the first time return water, second of return water is carried out with water spot to the multiple.It is preferred that
Ground, second predetermined value can be set by the user, for example, it can be the range of [35,55] DEG C, preferably 42 DEG C.It is returned by first time
Water can make the water temperature in all pipelines be in same temperature point.Preferably, the first predetermined time was 24 hours.
Preferably, water temperature variation is sent to high in the clouds, and by the high in the clouds judge it is described it is a certain with water spot be frequent
With water spot still without common water spot.After since first time return water, it can be respectively continually detected with the water temperature of water spot and quilt must
Near high in the clouds.In this way, high in the clouds can be judged according to received water temperature which with water spot be through commonly use water spot, which uses water spot
It is without common water spot.
Preferably, the method further includes：Its judging result is returned to the unit of the water heater by the high in the clouds；It is described
Unit reminds whether user carries out intelligent backwater control；If user, which authorizes, carries out intelligent backwater control, just described through common
When the water temperature of water spot is less than the first predetermined value, only return water is carried out through commonly using water spot to described；Otherwise, water is used the multiple
When the water temperature of point is less than the first predetermined value, return water is carried out with water spot to all.In this way, unit obtain about whether for
After commonly using the judging result of water spot, you can carry out intelligent backwater control by its line control machine to prompt the user whether to authorize.Such as
User does not authorize, then does not differentiate between through common water spot and without common water spot, and to returning as usual manner in the prior art
Water is controlled, such as when the multiple water temperature with water spot is less than the first predetermined value, is carried out with water spot to all
Return water.If user is made that mandate, then when described, the water temperature through commonly using water spot is less than first predetermined value, only to described
Return water is carried out through common water spot.
Preferably, water temperature variation is sent to high in the clouds, the high in the clouds judges that the heat-insulating property of a certain branch is poor
Or well and it will determine that result returns to the unit of the water heater to remind user that there are the poor branches of heat-insulating property.
In this way, the present invention can judge each pipeline heat insulation situation with water spot temperature drop situation and feed back to user according to each, with remind user which
There is heat preservation in a little branches, need to carry out further isothermal holding.
In a preferred embodiment, during the return water of no user water twice, if detecting a certain branch
Temperature fall off rate is 1.5 times or more of fall off rate minimum leg, then judges that the branch heat-insulating property is poor.Then, high in the clouds
It will determine that result returns to unit.The branch is subjected to further isothermal holding by unit prompt user.If under all branches
Reduction of speed rate is less than 1.5 times of fall off rate minimum leg, then it is assumed that all branch heat-insulating properties are good, do not feed back prompting message.
Preferably, the method further includes：Obtain environment temperature；Whether it is higher than without the water temperature of common water spot described in judging
Scheduled icing early warning temperature, such as 2 DEG C；When the water temperature without common water spot is higher than the icing early warning temperature, close
Close the branch road control valve door without common water spot.In this way, according to the environment temperature that outer machine examination measures, judge whether circumstance temperature is high
In icing early warning temperature, in one embodiment, icing early warning temperature can be 2 DEG C.If being higher than icing early warning temperature, recognize
Therefore the branch road control valve door of the branch road without common water spot is shut, without the branch for the danger that pipeline does not freeze
The return water on road., whereas if environment temperature is less than icing early warning temperature, then it is assumed that such as long-term not water flowing of pipeline has ice hazard,
It needs to carry out return water.
Preferably, the method further includes：Return water temperature, the pressure return water are forced for described be arranged without common water spot
Temperature is higher than the icing early warning temperature；When the water temperature without common water spot is less than the icing early warning temperature, open
The branch road control valve door carries out return water.In a preferred embodiment, return water temperature is forced to may be set to be less than second in advance
Definite value and a certain value for being more than icing early warning temperature, generally take 5 DEG C.In this way, only forcing return water temperature when the branch temperature is less than
When, it just opens the branch road valve and carries out return water.Therefore, through this embodiment, can prevent from freezing and freezing pipeline.
Preferably, during return water, when water temperature rises to third predetermined value, stop return water.It is preferred real at one
It applies in example, when the temperature sensing package of return water Zhi Huicheng continuous second predetermined time, detects between preferably 5s is interior and be more than with the water temperature of water spot
Or when equal to the third predetermined value, the return water in the branch will be prevented.For example, being authorized into intelligent backwater pattern in user
In the case of, when the return water water temperature through commonly using water spot rises to third predetermined value, stop the return water that the warp commonly uses water spot branch；And
User do not authorize carry out intelligent backwater pattern in the case of (i.e. normal return water pattern), when useful water spot water temperature be all higher than or
When equal to third predetermined value, then stop the return water of all branches.Correspondingly, in the normal control mode, when in the water with water spot
When being preferably respectively less than first predetermined value within the third predetermined time (such as 5 seconds), return water is carried out to the useful water spot of institute for temperature.
Preferably, user can cancel the mandate by manually mode.After cancelling mandate, whole system is restored just
Chang Huishui patterns do not enter back into intelligent backwater pattern.
Preferably, signal acquisition can be used and carry out water temperature acquisition, also using transmission chip by collected water temperature and cloud
End interconnection, in this way, high in the clouds can carry out man-machine communication by unit and user..Particularly, in return water system water branch is used each
On have be provided with detection water temperature temperature sensing package and control valve member accordingly.
Be combined with air energy heat pump technology by internet, intelligent decision user regimen condition, distinguish commonly use water spot with
Be of little use water spot, carries out difference backwater control for judging result, reaches energy-efficient purpose.Changed by water temperature and is judged, it can be with
Identification pipeline heat insulation situation simultaneously feeds back to user, plays reminding effect.
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, under the premise of not departing from general principles, several improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of water heater backwater control method, which is characterized in that including：
Judge that multiple warps in water spot of water heater commonly use water spot and without common water spot；It specifically includes：To the multiple use
Water spot carries out return water twice；The water temperature variation of water spot is respectively used in the detection return water interval of return water twice；Judge whether at least
One-time detection first rises to a certain water temperature with water spot, then slowly declines, and then increases again；A certain water is used if it is, described
Point for through commonly use water spot, otherwise, it is described it is a certain with water spot be without common water spot；
When the water temperature through commonly using water spot is less than first predetermined value, only return water is carried out through commonly using water spot to described.
2. water heater backwater control method according to claim 1, which is characterized in that carry out two with water spot to the multiple
After secondary return water, the method further includes：
The water temperature variation of water spot is respectively used in the detection return water interval of return water twice；
If there is no user's water between the interval of return water twice, and detect that the water temperature drop rate of a certain branch arrives
More than the prearranged multiple of the minimum water temperature drop rate in all branches, then judge that the heat-insulating property of a certain branch is poor, it is no
Then the heat-insulating property of a certain branch is good.
3. water heater backwater control method according to claim 1 or 2, which is characterized in that it is the multiple with water spot into
Return water includes row twice：
When the multiple water temperature with water spot is less than second predetermined value, first time return water is carried out with water spot to the multiple, with
Ensure the multiple water temperature having the same of the pipeline with water spot；
After the first predetermined time of the first time return water, second of return water is carried out with water spot to the multiple.
4. water heater backwater control method according to claim 1, which is characterized in that water temperature variation is sent to cloud
End, and by the high in the clouds judge it is described it is a certain with water spot be through commonly using water spot or without common water spot.
5. water heater backwater control method according to claim 4, which is characterized in that the method further includes：
Its judging result is returned to the unit of the water heater by the high in the clouds；
The unit reminds whether user carries out intelligent backwater control；
If user, which authorizes, carries out intelligent backwater control, just described, the water temperature through commonly using water spot is less than the first predetermined value
When, only return water is carried out through commonly using water spot to described；Otherwise, it is less than the first predetermined value in the multiple water temperature with water spot
When, to all return water is carried out with water spot.
6. water heater backwater control method according to claim 2, which is characterized in that water temperature variation to be sent to
High in the clouds, the high in the clouds judge that the heat-insulating property of a certain branch is poor or good and will determine that result returns to the hot water
The unit of device is to remind user that there are the poor branches of heat-insulating property.
7. water heater backwater control method according to claim 1, which is characterized in that judge that the multiple of water heater use water spot
In warp commonly use water spot with without common water spot after, the method further includes：
Obtain environment temperature；
Judge whether the water temperature without common water spot is higher than scheduled icing early warning temperature；
When the water temperature without common water spot is higher than the icing early warning temperature, the branch without common water spot is closed
Control valve.
8. water heater backwater control method according to claim 7, which is characterized in that the method further includes：
Return water temperature is forced for described be arranged without common water spot, the pressure return water temperature is higher than the icing early warning temperature；
When the water temperature without common water spot is less than the icing early warning temperature, opens the branch road control valve door and returned
Water.
9. water heater backwater control method according to claim 1, which is characterized in that during return water, when in water temperature
When rising to third predetermined value, stop return water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437748.2A CN105157236B (en) | 2015-07-22 | 2015-07-22 | Water heater backwater control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510437748.2A CN105157236B (en) | 2015-07-22 | 2015-07-22 | Water heater backwater control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157236A CN105157236A (en) | 2015-12-16 |
| CN105157236B true CN105157236B (en) | 2018-10-09 |
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ID=54798190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510437748.2A Active CN105157236B (en) | 2015-07-22 | 2015-07-22 | Water heater backwater control method |
Country Status (1)
| Country | Link |
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| CN (1) | CN105157236B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158445A (en) * | 1982-03-16 | 1983-09-20 | Matsushita Electric Ind Co Ltd | Controller for hot water supply device |
| CN103162414A (en) * | 2011-12-09 | 2013-06-19 | 珠海格力电器股份有限公司 | Water heater and water return system and control method thereof |
| CN104019556A (en) * | 2014-06-17 | 2014-09-03 | 广东美的暖通设备有限公司 | Water return control device, water system and water return control method |
-
2015
- 2015-07-22 CN CN201510437748.2A patent/CN105157236B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158445A (en) * | 1982-03-16 | 1983-09-20 | Matsushita Electric Ind Co Ltd | Controller for hot water supply device |
| CN103162414A (en) * | 2011-12-09 | 2013-06-19 | 珠海格力电器股份有限公司 | Water heater and water return system and control method thereof |
| CN104019556A (en) * | 2014-06-17 | 2014-09-03 | 广东美的暖通设备有限公司 | Water return control device, water system and water return control method |
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| Publication number | Publication date |
|---|---|
| CN105157236A (en) | 2015-12-16 |
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