CN206398982U - A kind of water supply of water heater of heat pump system - Google Patents
A kind of water supply of water heater of heat pump system Download PDFInfo
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- CN206398982U CN206398982U CN201621472530.7U CN201621472530U CN206398982U CN 206398982 U CN206398982 U CN 206398982U CN 201621472530 U CN201621472530 U CN 201621472530U CN 206398982 U CN206398982 U CN 206398982U
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- water
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- pump
- water tank
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Abstract
The utility model discloses a kind of water supply of water heater of heat pump system, including water tank (1), Teat pump boiler and end heat-exchanger pump, water tank (1) connects Teat pump boiler water inlet pipe (6), Teat pump boiler outlet pipe (7) by pipeline respectively, and water tank (1) connects end heat-exchanger pump feed pipe (8), end heat-exchanger pump return pipe (9) by pipeline respectively；Cold water water inlet water level of the connectivity part water level of the water tank (1), including relatively independent and the hot hydroecium interconnected and mixing chamber, the hot hydroecium and mixing chamber higher than mixing chamber.Water supply of water heater of heat pump system of the present utility model improves the multinomial drawback of current heat pump hot-water system, make heat pump hot-water system realize water tank volume reduce, the reduction of load-carrying members load, the reduction of heat pump power, the multinomial technological progress such as 24 hours continuous water supplies of constant temperature.
Description
Technical field
The utility model is related to heat pump hot-water system technical field, relates in particular to a kind of Teat pump boiler and heats, stores up
Deposit the water system with supply hot water.
Background technology
The use of existing heat pump hot-water system mainly has two ways：
The first is to design a water tank according to whole day max calculation water consumption, within a certain period of time using heat pump by the water
Water circulation in case is heated to design temperature, meets whole day and uses hot water.When using hot water, water tank not moisturizing.Such a design
Scheme has as a drawback that：Water tank volume is big, and structure load-bearing is big, and it is big that heat pump heats power, it is impossible to 24 hours continuous water supplies.
Second is to design a storage tank according to water consumption, takes one side hot-water supply, while supplement cold water, in cold water
Start heat pump after supplement to heat.The problem of although system solves continuous 24 hours hot-water supplies, but have the disadvantage that：It is cold
Water tank water temperature drop is caused after water supplement, hot water supply temperature can not be constant, most period supply water temperatures are less than design
Temperature.To ensure that supply water temperature reaches design requirement, it is necessary to which running temperature is improved, heat pump heats the reduction of COP values.In addition, being
Heating for peak water period big rate of water make-up is met, it is big that heat pump heats power.
Shortcoming present in above two way of supplying water, causes that hot-water heating system running quality is not high, input cost is high, fortune
Row is costly.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of that prior art is present there is provided a kind of water supply of water heater of heat pump system,
The system can guarantee that hot water constant temperature supply, continuous uninterrupted water supply in 24 hours, low cost, heat pump power be small, energy consumption is low.
A kind of water supply of water heater of heat pump system of the utility model, including water tank 1, Teat pump boiler and end heat-exchanger pump, water
Case 1 connects Teat pump boiler water inlet pipe 6, Teat pump boiler outlet pipe 7 by pipeline respectively, and water tank 1 is connected respectively by pipeline
End heat-exchanger pump feed pipe 8, end heat-exchanger pump return pipe 9；The water tank 1, including hot hydroecium that is relatively independent and interconnecting
And mixing chamber, cold water water inlet water level of the connectivity part water level higher than mixing chamber of the hot hydroecium and mixing chamber.
Hot hydroecium bottom is connected with Teat pump boiler outlet pipe 7 and end heat-exchanger pump feed pipe 8；Mixing chamber bottom is connected with heat
Pump water heater water inlet pipe 6, mixing chamber top is connected with end heat-exchanger pump return pipe 9；Bottom is provided with temperature-sensing probe 10 in mixing chamber, uses
In control Teat pump boiler start and stop.
The operation of the end heat-exchanger pump is by electro connecting pressure gauge or Frequency Converter Control；The end heat-exchanger pump return pipe 9
On be provided with two-way electronic valve and temperature-sensing probe, the temperature-sensing probe is used to control the opening and closing of two-way electronic valve.
Also include mixing chamber blow-off pipe 16 and hot hydroecium's blow-off pipe 15, mixing chamber blow-off pipe 16 fills the first blowoff valve 17 and is connected to
On hot hydroecium's blow-off pipe 15, two Room share the second blowoff valve 18.
Hot hydroecium and mixing chamber demarcation strip 2, mixing chamber and cold water chamber's demarcation strip 3, hot hydroecium and mixed water are set in the water tank 1
Room demarcation strip 2 is installs from bottom to top, and mixing chamber with cold water chamber demarcation strip 3 to install from top to bottom, and mixing chamber divides with cold water chamber
The overhead height of dividing plate 3 is slightly above the height of overflow pipe 5, and mixing chamber is slightly above water tank bottom plate with the elevation of bottom of cold water chamber's demarcation strip 3.
Or, cold water chamber is located at the top of the mixing chamber of water tank 1 or outside water tank 1, passes through bottom outlet pipe 13 and mixed water
Room is connected.
Hot hydroecium is not less than the 1/2 of high water tank with the overhead height of mixing chamber demarcation strip 2.
Cold water chamber top is provided with floating ball valve of rehydration 4 and overflow pipe 5.
Water tank 1, hot hydroecium and mixing chamber demarcation strip 2, mixing chamber and cold water chamber's demarcation strip 3 are heat preservation plate material.
The course of work of the present utility model is as follows：
（1）Water tank is full of after water by ball-cock assembly, and ball-cock assembly is closed automatically；
（2）Heat pump startup optimization, design temperature is heated to by the water in tank hot water room, mixing chamber；
（3）During the water of end, hot water pump discharge hydraulic pressure reduction in end starts end heat-exchanger pump by electro connecting pressure gauge and transported
OK, or by the operating condition of Frequency Converter Control end heat-exchanger pump, the water demand of terminal temperature difference is met；
（4）While the water of end, cistern water level reduction, ball-cock assembly automatic water supplement is mended and arrives mixing chamber bottom, with mixing chamber
The hot water mixing of bottom, when the water temperature of mixing chamber bottom is reduced to design temperature, the temperature sensor control of mixing chamber bottom
Teat pump boiler starts heating operation, will deliver to hot hydroecium after the water at low temperature heating of mixing chamber；
（5）By the low-temperature mixed water of mixing chamber, constantly heating is sent to hot hydroecium, the top heat of hot hydroecium to Teat pump boiler
Water is back to the top of mixing chamber, until the temperature of mixing chamber bottom reaches design temperature, the temperature sensor of mixing chamber bottom
Teat pump boiler is controlled to stop；Teat pump boiler leaving water temperature is identical with hot hydroecium operating temperature.
When end stopping water, hot water pump discharge hydraulic pressure rise in end stops end hot water by electro connecting pressure gauge
Pump operation, or by the operating condition of Frequency Converter Control heat-exchanger pump, until stopping.
When end stopping is longer with the water time, water temperature reduction in pipe is passed by the temperature on the heat-exchanger pump return pipe of end
Two-way electronic valve on sensor control end heat-exchanger pump return pipe is opened；After two-way electronic valve is opened, end hot water pump discharge
Pressure reduction, pass through electro connecting pressure gauge and start end hot water pump operation or the operation by Frequency Converter Control heat-exchanger pump, pipe
Water in road is in recurrent state with water tank；After water temperature is raised in pipeline, temperature sensor control two-way electronic valve is closed, end
The hydraulic pressure of hot water pump discharge is held to rise, electro connecting pressure gauge or Frequency Converter Control heat-exchanger pump are out of service.
When municipal tap water cuts off the water, mixing chamber bottom blow-down valve is opened, blow-off pipe plays a part of cross over pipe, make mixed water
Room is connected as a single entity with hot hydroecium, is supplied water jointly for user.
Compared with prior art, the beneficial effects of the utility model are：
1st, water tank cold water chamber of the present utility model cold water is added to mixed naturally by mixing chamber and cold water chamber's demarcation strip bottom
Hydroecium.The temperature of mixing chamber bottom is set to be less than the temperature on mixing chamber top, centre forms certain mesolimnion or forms stable
Thermograde.The mixed aqua region of moisturizing and hot water is set to be limited to mixing chamber bottom section.Avoid winter tap water temperature too low
Cause source pump not start, cause to supply water while avoiding full water tank temperature and starting source pump less than certain temperature rear
Fluctuating temperature, and standby interval overlong time cause source pump to heat high-power drawback.
2nd, water tank of the present utility model controls the operation of source pump, its heat pump delivery port by the temperature-sensing probe of mixing chamber
Temperature reaches design temperature as the control foundation of water flow.Hot water room temperature is constant, supply water temperature is remained constant,
And uninterrupted water supply in continuous 24 hours.
3rd, hourly consumption sum when tank hot water's chamber vol of the present utility model only needs to meet continuous peak water subtracts
That removes Teat pump boiler in this time produces water.Mixing chamber maximum capacity is not more than Heat Pump in the continuous peak water period
Hydrophone produces water.Cold water chamber vol can be designed by minimizing, and meet the installation and maintenance of ball-cock assembly.Cold water chamber
An independent small water tank being sleeved in mixing chamber or the independent small water tank being suspended on outside mixing chamber can be developed into, is passed through
Cold water is imported mixed water tank bottom by small water tank bottom outlet pipe.
4th, water tank of the present utility model improves the multinomial drawback of current heat pump hot-water system, realizes heat pump hot-water system
The multinomial technologies such as water tank volume reduction, the reduction of load-carrying members load, the reduction of heat pump power, 24 hours continuous water supplies of constant temperature are entered
Step.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the utility model one.
Fig. 2 is the structural representation of the another embodiment of the utility model.
Fig. 3 is the structural representation of another embodiment of the utility model.
In figure, 1 is water tank, and 2 be hot hydroecium and mixing chamber demarcation strip, and 3 be mixing chamber and cold water chamber's demarcation strip, and 4 be moisturizing
Ball-cock assembly, 5 be overflow pipe, and 6 be Teat pump boiler water inlet pipe, and 7 be Teat pump boiler outlet pipe, and 8 be end heat-exchanger pump feed pipe,
9 be end heat-exchanger pump return pipe, and 10 be temperature-sensing probe, and 11 be manhole, and 12 be manhole, and 13 be bottom outlet pipe, and 14 be moisturizing
Interface tube, 15 be hot hydroecium's blow-off pipe, and 16 be mixing chamber blow-off pipe, and 17 be the first blowoff valve, and 18 be the second blowoff valve.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Embodiment one
As shown in figure 1, a kind of water supply of water heater of heat pump system, including water tank 1, Teat pump boiler and confession end hot water
Pump, water tank 1 connects Teat pump boiler water inlet pipe 6, Teat pump boiler outlet pipe 7 by pipeline respectively, and water tank 1 is distinguished by pipeline
Connect end heat-exchanger pump feed pipe 8, end heat-exchanger pump return pipe 9；The water tank 1, including heat that is relatively independent and interconnecting
Cold water water inlet water level of the connectivity part water level of hydroecium and mixing chamber, the hot hydroecium and mixing chamber higher than mixing chamber.
Hot hydroecium bottom is connected with Teat pump boiler outlet pipe 7 and end heat-exchanger pump feed pipe 8；Mixing chamber bottom is connected with heat
Pump water heater water inlet pipe 6, mixing chamber top is connected with end heat-exchanger pump return pipe 9；Bottom is provided with temperature-sensing probe 10 in mixing chamber, uses
In control Teat pump boiler start and stop.
The operation of the end heat-exchanger pump is controlled by electro connecting pressure gauge or Frequency Converter Control.The end hot water pump return water
Two-way electronic valve and temperature-sensing probe are provided with pipe 9, the temperature-sensing probe is used for the opening and closing for controlling two-way electronic valve.
Also include mixing chamber blow-off pipe 16 and hot hydroecium's blow-off pipe 15, mixing chamber blow-off pipe 16 fills the first blowoff valve 17 and is connected to
On hot hydroecium's blow-off pipe 15, two Room share the second blowoff valve 18.
Hot hydroecium and mixing chamber demarcation strip 2, mixing chamber and cold water chamber's demarcation strip 3, hot hydroecium and mixed water are set in the water tank 1
Room demarcation strip 2 is installs from bottom to top, and mixing chamber with cold water chamber demarcation strip 3 to install from top to bottom, and mixing chamber divides with cold water chamber
The overhead height of dividing plate 3 is slightly above the height of overflow pipe 5, and mixing chamber is slightly above water tank bottom plate with the elevation of bottom of cold water chamber's demarcation strip 3.
Cold water chamber top is provided with floating ball valve of rehydration 4 and overflow pipe 5.
Water tank 1, hot hydroecium and mixing chamber demarcation strip 2, mixing chamber and cold water chamber's demarcation strip 3 are heat preservation plate material.
Hot hydroecium and mixing chamber are provided with manhole 11, and the top of floating ball valve of rehydration 4 of cold water chamber is provided with manhole 12.
Hot hydroecium is not less than the 1/2 of high water tank with the overhead height of mixing chamber demarcation strip 2.
What the utility model was realized in：
1st, water tank is full of after water by ball-cock assembly, and ball-cock assembly is closed automatically.
2nd, heat pump startup optimization, design temperature is heated to by the water in tank hot water room, mixing chamber.
3rd, during the water of end, end hot water pump discharge hydraulic pressure can be reduced, and end heat-exchanger pump is started by electro connecting pressure gauge
Operation, or by the operating condition of Frequency Converter Control heat-exchanger pump, meet the water demand of terminal temperature difference.While the water of end,
Cistern water level is reduced, ball-cock assembly automatic water supplement, is mended and is arrived mixing chamber bottom, is mixed with the hot water of mixing chamber bottom, when under mixing chamber
When the water temperature in portion is reduced to design temperature, the temperature sensor control Teat pump boiler of mixing chamber bottom starts heating operation, will
Hot hydroecium is delivered to after the water at low temperature heating of mixing chamber.By the low-temperature mixed water of mixing chamber, constantly heating is sent to heat to Teat pump boiler
Hydroecium, the top hot water return of hot hydroecium, until the temperature of mixing chamber bottom reaches design temperature, mixes water to the top of mixing chamber
The temperature sensor control Teat pump boiler of room bottom stops.Teat pump boiler leaving water temperature is identical with hot hydroecium operating temperature.
Teat pump boiler in this time is subtracted because the volume of hot hydroecium meets continuous peak with hourly consumption sum during water
Water is produced, therefore, 24 hours continuous water supplies of boiler energy constant temperature.
When end stopping water, end hot water pump discharge hydraulic pressure can be raised, and end heat is stopped by electro connecting pressure gauge
Water pump operation, or by the operating condition of Frequency Converter Control heat-exchanger pump, until stopping.
When end stopping is longer with the water time, water temperature reduction in pipe is passed by the temperature on the heat-exchanger pump return pipe of end
Two-way electronic valve on sensor control end heat-exchanger pump return pipe is opened.After two-way electronic valve is opened, end hot water pump discharge
Pressure can reduce, end hot water pump operation or the operation by Frequency Converter Control heat-exchanger pump are started by electro connecting pressure gauge,
Water in pipeline is in recurrent state with water tank.After water temperature is raised in pipeline, temperature sensor control two-way electronic valve is closed,
The hydraulic pressure of end pump discharge can rise, and electro connecting pressure gauge or Frequency Converter Control heat-exchanger pump are out of service.
When municipal tap water cuts off the water, mixing chamber bottom blow-down valve is opened, blow-off pipe plays a part of cross over pipe, make mixed water
Room is connected as a single entity with hot hydroecium, is supplied water jointly for user.
Embodiment two
As shown in Fig. 2 a kind of water supply of water heater of heat pump system, including water tank 1, Teat pump boiler and confession end hot water
Pump, water tank 1 connects Teat pump boiler water inlet pipe 6, Teat pump boiler outlet pipe 7 by pipeline respectively, and water tank 1 is distinguished by pipeline
Connect end heat-exchanger pump feed pipe 8, end heat-exchanger pump return pipe 9；The water tank 1, including heat that is relatively independent and interconnecting
Cold water water inlet water level of the connectivity part water level of hydroecium and mixing chamber, the hot hydroecium and mixing chamber higher than mixing chamber.
Hot hydroecium bottom is connected with Teat pump boiler outlet pipe 7 and end heat-exchanger pump feed pipe 8；Mixing chamber bottom is connected with heat
Pump water heater water inlet pipe 6, mixing chamber top is connected with end heat-exchanger pump return pipe 9；Bottom is provided with temperature-sensing probe 10 in mixing chamber, uses
In control Teat pump boiler start and stop.
The operation of the end heat-exchanger pump is controlled by electro connecting pressure gauge or Frequency Converter Control.The end hot water pump return water
Two-way electronic valve and temperature-sensing probe are provided with pipe 9, the temperature-sensing probe is used for the opening and closing for controlling two-way electronic valve.
Also include mixing chamber blow-off pipe 16 and hot hydroecium's blow-off pipe 15, mixing chamber blow-off pipe 16 fills the first blowoff valve 17 and is connected to
On hot hydroecium's blow-off pipe 15, two Room share the second blowoff valve 18.
Hot hydroecium and mixing chamber demarcation strip 2 are set in the water tank 1, hot hydroecium is to pacify from bottom to top with mixing chamber demarcation strip 2
Dress.Cold water chamber is located at the top of the mixing chamber of water tank 1, is connected by bottom outlet pipe 13 with mixing chamber.
Cold water chamber top is provided with floating ball valve of rehydration 4 and overflow pipe 5.
Water tank 1, hot hydroecium and mixing chamber demarcation strip 2 are heat preservation plate material.
Hot hydroecium and mixing chamber are provided with manhole 11, and the top of floating ball valve of rehydration 4 of cold water chamber is provided with manhole 12.
Hot hydroecium is not less than the 1/2 of high water tank with the overhead height of mixing chamber demarcation strip 2.
Embodiment three
As shown in figure 3, a kind of water supply of water heater of heat pump system, including water tank 1, Teat pump boiler and end heat-exchanger pump,
Water tank 1 connects Teat pump boiler water inlet pipe 6, Teat pump boiler outlet pipe 7 by pipeline respectively, and water tank 1 is connected respectively by pipeline
Connect end heat-exchanger pump feed pipe 8, end heat-exchanger pump return pipe 9；The water tank 1, including hot water that is relatively independent and interconnecting
Cold water water inlet water level of the connectivity part water level of room and mixing chamber, the hot hydroecium and mixing chamber higher than mixing chamber.
Hot hydroecium bottom is connected with Teat pump boiler outlet pipe 7 and end heat-exchanger pump feed pipe 8；Mixing chamber bottom is connected with heat
Pump water heater water inlet pipe 6, mixing chamber top is connected with end heat-exchanger pump return pipe 9；Bottom is provided with temperature-sensing probe 10 in mixing chamber, uses
In control Teat pump boiler start and stop.
The operation of end heat-exchanger pump is controlled by electro connecting pressure gauge or Frequency Converter Control.The end heat-exchanger pump return pipe 9
On be provided with two-way electronic valve and temperature-sensing probe, the temperature-sensing probe is used to control the opening and closing of two-way electronic valve.
Also include mixing chamber blow-off pipe 16 and hot hydroecium's blow-off pipe 15, mixing chamber blow-off pipe 16 fills the first blowoff valve 17 and is connected to
On hot hydroecium's blow-off pipe 15, two Room share the second blowoff valve 18.
Hot hydroecium and mixing chamber demarcation strip 2 are set in the water tank 1, hot hydroecium is to pacify from bottom to top with mixing chamber demarcation strip 2
Dress.Cold water chamber is located at outside water tank 1, is connected by bottom outlet pipe 13 with mixing chamber.
Cold water chamber top is provided with floating ball valve of rehydration 4 and overflow pipe 5.
Water tank 1, hot hydroecium and mixing chamber demarcation strip 2 are heat preservation plate material.
Hot hydroecium and mixing chamber are provided with manhole 11, and the top of floating ball valve of rehydration 4 of cold water chamber is provided with manhole 12.
Hot hydroecium is not less than the 1/2 of high water tank with the overhead height of mixing chamber demarcation strip 2.
Claims (9)
1. a kind of water supply of water heater of heat pump system, including water tank (1), Teat pump boiler and end heat-exchanger pump, it is characterised in that：Water
Case (1) connects Teat pump boiler water inlet pipe (6), Teat pump boiler outlet pipe (7) by pipeline respectively, and water tank (1) passes through pipeline
End heat-exchanger pump feed pipe (8), end heat-exchanger pump return pipe (9) are connected respectively；The water tank (1), including it is relatively independent and mutual
Cold water water inlet water of the connectivity part water level of the hot hydroecium being connected and mixing chamber, the hot hydroecium and mixing chamber higher than mixing chamber
Position.
2. water system as claimed in claim 1, it is characterised in that：Hot hydroecium bottom is connected with Teat pump boiler outlet pipe (7)
And end heat-exchanger pump feed pipe (8)；Mixing chamber bottom is connected with Teat pump boiler water inlet pipe (6), and mixing chamber top is connected with end
Heat-exchanger pump return pipe (9)；Bottom is provided with temperature-sensing probe (10) in mixing chamber, for controlling Teat pump boiler start and stop.
3. water system as claimed in claim 1, it is characterised in that：The operation of the end heat-exchanger pump is by electro connecting pressure gauge
Or Frequency Converter Control；Two-way electronic valve and temperature-sensing probe are provided with the end heat-exchanger pump return pipe (9), the temperature-sensing probe is used
In the opening and closing of control two-way electronic valve.
4. water system as claimed in claim 1, it is characterised in that：Also include mixing chamber blow-off pipe (16) and hot hydroecium's blowdown
Manage (15), mixing chamber blow-off pipe (16) fills the first blowoff valve (17) and is connected on hot hydroecium's blow-off pipe (15), and two Room share second row
Dirty valve (18).
5. water system as claimed in claim 1, it is characterised in that：Hot hydroecium is set in the water tank (1) with mixing chamber to separate
Plate (2), mixing chamber and cold water chamber's demarcation strip (3), hot hydroecium and mixing chamber demarcation strip (2) to install from bottom to top, mixing chamber with
Cold water chamber's demarcation strip (3) is installs from top to bottom, and mixing chamber is slightly above overflow pipe (5) with cold water chamber's demarcation strip (3) overhead height
Height, mixing chamber and cold water chamber's demarcation strip (3) elevation of bottom are slightly above water tank bottom plate.
6. water system as claimed in claim 1, it is characterised in that：Cold water chamber be located at water tank (1) mixing chamber at the top of or
Water tank (1) is outside, is connected by bottom outlet pipe (13) with mixing chamber.
7. water system as claimed in claim 5, it is characterised in that：Hot hydroecium and mixing chamber demarcation strip (2) overhead height are not
Less than the 1/2 of high water tank.
8. the water system as described in claim 5 or 6, it is characterised in that：Cold water chamber top is provided with floating ball valve of rehydration (4) and overflows
Flow tube (5).
9. water system as claimed in claim 5, it is characterised in that：It is water tank (1), hot hydroecium and mixing chamber demarcation strip (2), mixed
Hydroecium and cold water chamber's demarcation strip (3) are heat preservation plate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472530.7U CN206398982U (en) | 2016-12-30 | 2016-12-30 | A kind of water supply of water heater of heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621472530.7U CN206398982U (en) | 2016-12-30 | 2016-12-30 | A kind of water supply of water heater of heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206398982U true CN206398982U (en) | 2017-08-11 |
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ID=59517546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621472530.7U Active CN206398982U (en) | 2016-12-30 | 2016-12-30 | A kind of water supply of water heater of heat pump system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206398982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500322A (en) * | 2016-12-30 | 2017-03-15 | 武汉腾云数冷科技有限公司 | A kind of water supply of water heater of heat pump system and method |
-
2016
- 2016-12-30 CN CN201621472530.7U patent/CN206398982U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500322A (en) * | 2016-12-30 | 2017-03-15 | 武汉腾云数冷科技有限公司 | A kind of water supply of water heater of heat pump system and method |
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