CN106247623A - Hot water machine and control method thereof - Google Patents
Hot water machine and control method thereof Download PDFInfo
- Publication number
- CN106247623A CN106247623A CN201610581658.5A CN201610581658A CN106247623A CN 106247623 A CN106247623 A CN 106247623A CN 201610581658 A CN201610581658 A CN 201610581658A CN 106247623 A CN106247623 A CN 106247623A
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- China
- Prior art keywords
- hot water
- water
- outlet
- water machine
- outlet pipeline
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 321
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 230000000844 anti-bacterial effect Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 241000009298 Trigla lyra Species 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a kind of hot water machine and control method thereof, this hot water machine includes water tank and is located at the inlet pipeline on this water tank and outlet pipeline, hot water machine also includes that master control borad, the flow detector being located on outlet pipeline and the negative pressure maker being located on water tank, flow detector and negative pressure maker electrically connect with master control borad respectively；Wherein, master control borad, for when flow detector detects outlet pipeline without water outlet, controls negative pressure maker and opens.The present invention reduces the water yield of pipeline class residual, save thermal water resource.
Description
Technical field
The present invention relates to hot water machine technical field, particularly relate to a kind of hot water machine and control method thereof.
Background technology
Existing hot water machine, also can residual fraction in the pipeline of its water tank to user water side after user makes to be finished hot water
Hot water, owing to the heat insulation effect of pipeline is poor, the hot water in this residual pipeline can cool down in the short period of time.When user again
When using hot water, owing in pipeline, the hot water of residual is the most cooled, it is necessary to first this part water is released, just can reuse heat
Water, this is all waste greatly to water source and thermal source；And hot water cool down in pipeline during easily breed bacteria, pollute
Pipe network, the health of infringement user.
Summary of the invention
Present invention is primarily targeted at a kind of hot water machine of offer, it is intended to reduce the water yield of pipeline class residual, save hot water
Resource.
For achieving the above object, the present invention proposes a kind of hot water machine, and this hot water machine includes water tank and is located on this water tank
Inlet pipeline and outlet pipeline, it is characterised in that described hot water machine also includes master control borad, the flow being located on described outlet pipeline
Detection device and the negative pressure maker be located on described water tank, described flow detector and described negative pressure maker respectively with institute
State master control borad electrical connection；Described master control borad, for when described flow detector detects outlet pipeline without water outlet, controls institute
State negative pressure maker to open.
Preferably, described master control borad is used for detecting that outlet pipeline stops water outlet at described flow detector, and in advance
If in the time the most again water outlet time, control described negative pressure maker open.
Preferably, described inlet pipeline is provided with the water intaking valve electrically connected with described master control borad；Described master control borad is used for
When described flow detector detects outlet pipeline without water outlet, also control described water intaking valve and close.
Preferably, described master control borad, for when described flow detector detects outlet pipeline without water outlet, controls institute
State and after water intaking valve is closed, control the unlatching of described negative pressure maker again.
Preferably, described master control borad is additionally operable to non-water flow in described flow detector detects described outlet pipeline
Time, described master control borad controls described negative pressure maker and closes.
Preferably, described outlet pipeline being additionally provided with flow-stop valve, described flow-stop valve is located at described flow detector and institute
State between water tank.
Additionally, for achieving the above object, the present invention also proposes the control method of a kind of hot water machine, and the method includes:
Current flow signals in the outlet pipeline of detection hot water machine；
The outlet pipeline whether water outlet of described hot water machine is determined according to described current flow signals；
When determining that the outlet pipeline of described hot water machine is without water outlet, the hot water controlled in the outlet pipeline of described hot water machine returns
It flow in the water tank of described hot water machine.
Preferably, the step of the described outlet pipeline whether water outlet determining described hot water machine according to described current flow signals
The most also include:
Determining that the outlet pipeline of described hot water machine, without water outlet, and determines when described hot water machine is in non-water state, control
Make in the water tank of the extremely described hot water machine of the hot water return in the outlet pipeline of described hot water machine.
Preferably, described determine that described hot water machine is in non-water state and includes:
Determining described hot water machine outlet pipeline stop water outlet, and in Preset Time the most again water outlet time, determine institute
State hot water machine and be in non-water state.
Preferably, the step of the described outlet pipeline whether water outlet determining described hot water machine according to described current flow signals
The most also include:
When determining that the outlet pipeline of described hot water machine is without water outlet, the inlet pipeline controlling described hot water machine closes water inlet
After control hot water return in the outlet pipeline of described hot water machine again in the water tank of described hot water machine.
The present invention is by arranging flow detector on the outlet pipeline of hot water machine, and arranges negative pressure generation on water tank
Device, so, during using hot water, when flow detector detects outlet pipeline without water outlet, master control borad controls negative
Pressure maker is opened, and by the way of pressure in reduction water tank, realizes controlling the hot water return in outlet pipeline, thus realizes
Reduce the purpose of pipeline class quantity of residual, and be saved in after hot water return in water tank, it is not necessary to emit, be available for use next time,
Then further up to the purpose saving thermal water resource.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of hot water machine preferred embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the control method first embodiment of hot water machine of the present invention；
Fig. 3 is the schematic flow sheet of control method second embodiment of hot water machine of the present invention；
Fig. 4 is the schematic flow sheet of control method the 3rd embodiment of hot water machine of the present invention.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 10 | Water tank | 20 | Master control borad |
| 30 | Flow detector | 40 | Negative pressure maker |
| 101 | Inlet pipeline | 102 | Outlet pipeline |
| 50 | Water intaking valve | 60 | Water pump |
| 70 | Flow-stop valve |
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under not paying creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
It is to be appreciated that directional instruction in the embodiment of the present invention (such as up, down, left, right, before and after ...) is only used
In explaining relative position relation between each parts, motion conditions etc. under a certain particular pose (as shown in drawings), if should
When particular pose changes, then directionality instruction changes the most therewith.
It addition, the description relating to " first ", " second " etc. in the present invention is only used for describing purpose, and it is not intended that refer to
Show or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, the technical scheme between each embodiment can
To be combined with each other, but must be based on those of ordinary skill in the art are capable of, when the combination of technical scheme occurs
Conflicting will be understood that the combination of this technical scheme does not exists, the most not at the protection model of application claims when maybe cannot realize
Within enclosing.
The present invention proposes a kind of hot water machine.
With reference to Fig. 1, in an embodiment of the present invention, this hot water machine includes water tank 10, master control borad 20, flow detector 30
And negative pressure maker 40, this water tank 10 has inlet pipeline 101 and outlet pipeline 102, flow detector 30 be located at described in go out
In water lines 102, in order to detect the aqueous condition that of water lines 102, and feedback signal is to master control borad 20；Negative pressure maker 40 sets
On described water tank 10, in order to when opening, by releasing water tank 10 pressure or other blood pressure lowering modes reduce in water tank 10
Pressure, during closedown, then stops reducing pressure in water tank 10；Wherein, flow detector 30 and negative pressure maker 40 respectively with institute
State master control borad 20 to electrically connect；During hot water uses, this master control borad 20 is for outlet pipe being detected at flow detector 30
When road 102 is without water outlet, controls described negative pressure maker 40 and open, by the way of pressure in reduction water tank 10, realize control
Hot water return in outlet pipeline 102.
It is understood that during user uses hot water, if flow detector 30 detects outlet pipeline 102
In time without water outlet, then it represents that user stops using hot water or used water complete, now, open negative pressure maker 40, reduce water
Pressure in case 10.When the pressure of water tank 10 reduces and during less than pressure in outlet pipeline 102, residual in outlet pipeline 102
Hot water is back in water tank 10 under the effect of the pressure, i.e. realizes reducing the purpose of pipeline class quantity of residual, and after hot water return
It is saved in water tank 10, it is not necessary to emit, is available for use next time, then further up to the purpose saving thermal water resource.Additionally,
Due to user after making to be finished hot water, return in water tank 10 in time with regard to the water yield of residual in control piper, it is to avoid hot water
The problem producing antibacterial after lowering the temperature in resting on pipeline so that the bacteria breed in pipeline reduces, uses water safer, strong
Health.
It is understood that the control model of master control borad 20 is not limited to aforesaid way, in a preferred embodiment, institute
State master control borad 20 to be additionally operable to detect that outlet pipeline 102 stops water outlet at described flow detector 30, and in Preset Time
The most again, during water outlet, control described negative pressure maker 40 and open.It should be noted that sometimes user's use water is not to continue
, a period of time may be suspended, if now, opening negative pressure maker 40 can interfere, and hot water can be used to cause user
Impact, such as, cause the situation being difficult to water outlet.
It is understood that above-mentioned negative pressure maker 40 can be the valve body of pressure in water tank 10 that arbitrarily reduces or release,
The present embodiment is preferably relief valve.
It is understood that above-mentioned flow detector 30 can be the device arbitrarily with flow detection function, this enforcement
Being preferably target formula water flow switch in example, target formula water flow switch has the advantage that accuracy of detection is high, and does not interferes with current in pipeline
Flowing.
In above-described embodiment, further, with reference to Fig. 1, described inlet pipeline 101 is provided with and described master control borad 20 electricity
The water intaking valve 50 connected；Described master control borad 20 is used for when described flow detector 30 detects outlet pipeline 102 without water outlet,
Also control described water intaking valve 50 to close.Wherein, water intaking valve 50 can be together to close with negative pressure maker 40, it is also possible to is timesharing
Successively close, in a preferred embodiment, in order to avoid making the water inlet in inlet pipeline 101 quick when negative pressure maker 40 is opened
Injecting in water tank 10, described master control borad 20, when described flow detector 30 detects outlet pipeline 102 without water outlet, controls institute
Control described negative pressure maker 40 again after stating water intaking valve 50 closedown to open.It is understood that after water intaking valve 50 is closed, enter
The water inlet of water lines 101 is cut off, thus avoids negative pressure maker 40 to make the water inlet in inlet pipeline 101 be rapidly injected when opening
Problem in water tank 10.
Wherein, water intaking valve 50 can be preferably electromagnetic valve with any type of water flow switch valve in the present embodiment.Electromagnetic valve rings
Answer speed fast, control effective.
In above-described embodiment, further, with reference to Fig. 1, during in order to avoid negative pressure maker 40 operational failure, it is ensured that water outlet
Hot water return in pipeline 102, in water tank 10, described outlet pipeline 102 is additionally provided with water pump 60.At flow detector
30 when detecting outlet pipeline 102 without water outlet, master control borad 20 control water pump 60 and open, even if negative pressure maker 40 work is lost
Effect, also can draw back the hot water in outlet pipeline 102 to water tank 10.
In above-described embodiment, further, with reference to Fig. 1, described outlet pipeline 102 is additionally provided with flow-stop valve 70.This fluid stopping
Valve 70 is in the timing of water tank 10 pressure instability, it is to avoid in water tank 10, current flow into outlet pipeline 102.
Wherein, flow-stop valve 70 can be located at any position of outlet pipeline 102, and such as, described flow-stop valve 70 is located at described stream
Between amount detecting device 30 and described water tank 10, or flow-stop valve 70 is located between described water tank 10 and water pump 60, it is possible to understand that
, flow-stop valve 70 is arranged the closer to water tank 10, then the water of water tank 10 can be avoided largely to enter outlet pipeline 102
In, form hydrops.
Wherein, described flow-stop valve 70 can be preferably electromagnetic valve with any type of water flow switch valve in the present embodiment.Electromagnetism
Response valve speed is fast, controls effective.
Additionally, in above-described embodiment, it should be noted that when described flow detector 30 detects described outlet pipeline
In 102 during non-water flow, described master control borad 20 controls described negative pressure maker 40 and closes, and controls described water intaking valve 50 and open.This
Sample user's next time is when using hot water, it is ensured that the regular supply of hot water.
Additionally, structure based on above-mentioned hot water machine, the present invention also provides for the control method of a kind of hot water machine, with reference to Fig. 1 and
Fig. 2, the method includes:
Step S10, the current flow signals in the outlet pipeline 102 of detection hot water machine；
In the use hot water conditions of hot water machine, detect water outlet in real time by the flow monitoring device 30 on outlet pipeline 102
Current flow signals in pipeline 102, this current flow signals can be flow rate of water flow.
Step S20, determines the outlet pipeline 102 whether water outlet of described hot water machine according to described current flow signals；
In this step, it is assumed that current flow signals is flow rate of water flow, when the flow rate of water flow detected in outlet pipeline 102 is big
When threshold value, then it represents that user is using hot water, i.e. outlet pipeline 102 water outlet；When the current stream detected in outlet pipeline 102
When speed is less than or equal to threshold value, then it represents that user is not using hot water, and i.e. outlet pipeline 102 is without water outlet.
Step S30, when determining that the outlet pipeline 102 of described hot water machine is without water outlet, controls the outlet pipe of described hot water machine
In the water tank 10 of the extremely described hot water machine of the hot water return in road 102.
During user uses hot water, when the outlet pipeline 102 of hot water machine is without water outlet, then it represents that user stops making
With hot water or used water complete, the hot water of residual can be made in outlet pipeline 102 in pressure by reducing the pressure in water tank 10
It is back under the effect of power in water tank 10, i.e. realizes reducing the purpose of pipeline class quantity of residual, and after hot water return, be saved in water
In case 10, it is available for use next time, then further up to the purpose saving thermal water resource.Additionally, due to using user every time
After complete hot water, automatically control the water yield of residual in pipeline and return in water tank 10 in time, it is to avoid hot water rests on fall in pipeline
The problem producing antibacterial after temperature so that the bacteria breed in pipeline reduces, uses water more safe and healthy.
Further, with reference to Fig. 3, also include after above-mentioned steps S20:
Step S30a, is determining that the outlet pipeline 102 of described hot water machine, without water outlet, and determines that described hot water machine is in non-use
During water state, control in the water tank 10 of the extremely described hot water machine of the hot water return in the outlet pipeline 102 of described hot water machine.
It is understood that sometimes user's use water is not lasting, a period of time may be suspended, if now, control
Hot water return in the outlet pipeline 102 of water heating machine can interfere to water tank 10, hot water can be used to cause shadow user
Ring, such as, cause the situation being difficult to water outlet.The present embodiment, it is ensured that user is just commonly using water and is being unaffected.
In the present embodiment, it is preferable that described determine that described hot water machine is in non-water state and includes: determining described hot water
The outlet pipeline 102 of machine stops water outlet, and in Preset Time the most again water outlet time, determine that described hot water machine is in non-with watery
State.Certainly, can realize in the way of using other in other embodiments, the most not limit.
Further, with reference to Fig. 4, also include after above-mentioned steps S20:
Step S30b, when determining that the outlet pipeline 102 of described hot water machine is without water outlet, controls the water inlet pipe of described hot water machine
Road 101 controls the water tank of the extremely described hot water machine of the hot water return in the outlet pipeline 102 of described hot water machine again after closing water inlet
In 10.
It is understood that the hot water of residual is at pressure in using the pressure reduced in water tank 10 to make outlet pipeline 102
Effect under when being back in water tank 10, if not closing the water inlet of hot water machine inlet pipeline 101, it will cause hot water return time
Waiting, cold water is also rapidly injected in water tank 10, and after the water inlet of inlet pipeline 101 is closed, avoids water tank 10 negative pressure and make
Water inlet in inlet pipeline 101 is rapidly injected the problem in water tank 10.
To sum up, the inventive method after user uses hot water, automatically control residual in outlet pipeline 102 hot water and
Time be back in water tank 10, it is achieved that reduce the purpose of pipeline class quantity of residual, and be saved in after hot water return in water tank 10, can
For next time, then further up to the purpose saving thermal water resource.Additionally, due to user every time make to be finished hot water it
After, automatically control the water yield of residual in pipeline and return in water tank 10 in time, it is to avoid hot water rests in pipeline and produces after cooling
The problem of antibacterial so that the bacteria breed in pipeline reduces, uses water more safe and healthy.
The foregoing is only the preferred embodiments of the present invention, not thereby limit the scope of the claims of the present invention, every at this
Under the inventive concept of invention, utilize the equivalent structure transformation that description of the invention and accompanying drawing content are made, or directly/indirectly use
The technical field relevant at other is included in the scope of patent protection of the present invention.
Claims (10)
1. a hot water machine, including water tank and be located at the inlet pipeline on this water tank and outlet pipeline, it is characterised in that described heat
Water machine also includes that master control borad, the flow detector being located on described outlet pipeline and the negative pressure being located on described water tank generate
Device, described flow detector and described negative pressure maker electrically connect with described master control borad respectively；Described master control borad is in institute
State flow detector when outlet pipeline being detected without water outlet, control described negative pressure maker and open.
2. hot water machine as claimed in claim 1, it is characterised in that described master control borad is for detecting at described flow detector
To outlet pipeline stop water outlet, and in Preset Time the most again water outlet time, control described negative pressure maker open.
3. hot water machine as claimed in claim 1 or 2, it is characterised in that be provided with on described inlet pipeline and described master control borad
The water intaking valve of electrical connection；Described master control borad, for when described flow detector detects outlet pipeline without water outlet, also controls
Described water intaking valve is closed.
4. hot water machine as claimed in claim 3, it is characterised in that described master control borad is for detecting at described flow detector
To outlet pipeline without water outlet time, control described water intaking valve close after control again described negative pressure maker open.
5. hot water machine as claimed in claim 1, it is characterised in that described master control borad is additionally operable to when described flow detector is examined
When measuring non-water flow in described outlet pipeline, described master control borad controls described negative pressure maker and closes.
6. hot water machine as claimed in claim 1, it is characterised in that be additionally provided with flow-stop valve, described fluid stopping on described outlet pipeline
Valve is located between described flow detector and described water tank.
7. the control method of a hot water machine, it is characterised in that the method includes:
Current flow signals in the outlet pipeline of detection hot water machine；
The outlet pipeline whether water outlet of described hot water machine is determined according to described current flow signals；
When determining that the outlet pipeline of described hot water machine is without water outlet, control the hot water return in the outlet pipeline of described hot water machine extremely
In the water tank of described hot water machine.
8. the control method of hot water machine as claimed in claim 7, it is characterised in that described true according to described current flow signals
Also include after the step of the outlet pipeline of fixed described hot water machine whether water outlet:
Determining that the outlet pipeline of described hot water machine, without water outlet, and determines when described hot water machine is in non-water state, controlling institute
State in the water tank of the extremely described hot water machine of the hot water return in the outlet pipeline of hot water machine.
9. the control method of hot water machine as claimed in claim 8, it is characterised in that described determine that described hot water machine is in non-use
Water state includes:
Determining described hot water machine outlet pipeline stop water outlet, and in Preset Time the most again water outlet time, determine described heat
Water machine is in non-water state.
10. the control method of hot water machine as claimed in claim 7, it is characterised in that described according to described current flow signals
Determine described hot water machine outlet pipeline whether water outlet step after also include:
When determining that the outlet pipeline of described hot water machine is without water outlet, control the inlet pipeline of described hot water machine and close after water inlet again
Control in the water tank of the extremely described hot water machine of the hot water return in the outlet pipeline of described hot water machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581658.5A CN106247623B (en) | 2016-07-21 | 2016-07-21 | Hot water machine and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610581658.5A CN106247623B (en) | 2016-07-21 | 2016-07-21 | Hot water machine and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106247623A true CN106247623A (en) | 2016-12-21 |
| CN106247623B CN106247623B (en) | 2019-06-07 |
Family
ID=57604386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610581658.5A Active CN106247623B (en) | 2016-07-21 | 2016-07-21 | Hot water machine and its control method |
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| CN (1) | CN106247623B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110906542A (en) * | 2019-12-10 | 2020-03-24 | 海普电器有限公司 | Water-saving temperature control system of air energy water heater |
| CN113110358A (en) * | 2021-05-15 | 2021-07-13 | 周文波 | Wisdom building integrated management system based on waste water circulation handles |
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| CN104034044A (en) * | 2014-06-27 | 2014-09-10 | 赵柯 | Water saving device applicable to different types of water heaters |
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| CN201028795Y (en) * | 2007-03-27 | 2008-02-27 | 王春宏 | Pipe emptier of water heater |
| CN201983421U (en) * | 2010-12-23 | 2011-09-21 | 东莞市蓝冠环保节能科技有限公司 | Water heater with water return function |
| JP2014089008A (en) * | 2012-10-31 | 2014-05-15 | Noritz Corp | Hot water heating circuit |
| CN103411314A (en) * | 2013-08-05 | 2013-11-27 | 广东美的暖通设备有限公司 | Hot water machine backwater control component, hot water machine and backwater control method thereof |
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| CN110906542A (en) * | 2019-12-10 | 2020-03-24 | 海普电器有限公司 | Water-saving temperature control system of air energy water heater |
| CN110906542B (en) * | 2019-12-10 | 2021-06-11 | 海普电器有限公司 | Water-saving temperature control system of air energy water heater |
| CN113110358A (en) * | 2021-05-15 | 2021-07-13 | 周文波 | Wisdom building integrated management system based on waste water circulation handles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106247623B (en) | 2019-06-07 |
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