CN205481741U - Solar heat pump hot water device - Google Patents
Solar heat pump hot water device Download PDFInfo
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- CN205481741U CN205481741U CN201620180852.8U CN201620180852U CN205481741U CN 205481741 U CN205481741 U CN 205481741U CN 201620180852 U CN201620180852 U CN 201620180852U CN 205481741 U CN205481741 U CN 205481741U
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- heat exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model provides a solar heat pump hot water device. This solar heat pump hot water device includes the water tank, heat pump heating device is with the water tank hot link to utilize the water among the working medium heating the water tank in it, and solar energy heating device, flow path auto -change over device has, and with water tank and the hot link of heat pump heating device, flow path auto -change over device configures into and makes the solar energy heating device water among the heating the water tank and provide the heat to the working medium in the heat pump heating device in proper order controlledly, perhaps only provides the heat to the working medium in the heat pump heating device. The utility model discloses a solar heat pump hot water device can satisfy the user in all weather to hot water volume, hot water rate of heating's requirement.
Description
Technical field
This utility model relates to field of water heaters, particularly relates to a kind of solar heat pump water heating apparatus.
Background technology
Water heater is generally divided into fuel-firing gas-firing water heater, electric heating hot water, solar water heater, sky at present
Air supply heat pump water heaters etc. are several.Fuel-firing gas-firing water heater be by combustion fluid activating QI, natural gas, kerosene,
The mineral such as ethanol or organic-fuel add a kind of water heater of hot water, and such water heater is easily subject to the combustion of fuel
The impact of the factors such as the fluctuation of burning degree and hydraulic pressure thus cause fluctuating temperature bigger, and for hypoxgia
In the case of, easily produce the toxic gas such as carbon monoxide, have human body the biggest injury can the when of serious
Poisoning can be caused to occur, it is often more important that need to consume substantial amounts of non-renewable resources, use cost is high,
Effect on environment is the biggest.Electric heating hot water is a kind of by consuming the hot water that high-grade electric energy heats
Device, the type obtains water heater and uses more convenient, but the service efficiency ratio for electric energy is relatively low, and easily
There is the potential safety hazard of electric shock.Solar water heater is that one utilizes vacuum tube collection solar water heater to be a kind of
Vacuum tube is utilized to collect the water heater that heats of solar energy, environmentally friendly and operating cost is low, i.e. the sun
The defect that the prepared hot water temperature of rainy weather is not enough can be there is by water heater.Air source hot pump water heater is a kind of
Utilize inverse Carnot's principle from natural environment draw heat, and consume a small amount of band electric energy and transfer energy to water and make
The water heater that its temperature raises, but there is heating capacity when ambient temperature is relatively low in air source hot pump water heater
Not enough defect.In order to solve the problems referred to above, more existing scheme uses four electromagnetic valves to realize the sun
Can individually give vaporizer heat supply, or individually feed-tank heat supply, to realize two kinds of heat-supplying modes.But, these
Systematic comparison is complicated, relatively costly；And its solar energy system can only give vaporizer or water tank heat supply respectively,
Make solar energy system utilization rate the highest, and it is relatively big to be likely to result in heat pump evaporation load, affects heat pump system
System reliability.
Utility model content
A purpose of the present utility model is intended to overcome existing solar water heater and air source heat pump hot water
At least one defect of device, it is provided that a kind of solar heat pump water heating apparatus, its can solve solar water heater and
The water heating defect that air source hot pump water heater is individually present, to obtain higher, stable water temperature.
Another purpose of the present utility model is intended to make solar energy feed-tank and vaporizer heat supply simultaneously, improves too
The utilization rate of sun energy.
In order to realize at least one purpose above-mentioned, this utility model provides a kind of solar heat pump and water heating dress
Put, including:
Water tank；
Heat pump heating device, and described water tank thermally coupled, to utilize its interior working media to heat described water tank
In water；With
Solar heat collector, has a flow passage selector device, and with described water tank and described heat pump heating device
Thermally coupled, it is described that described flow passage selector device is configured to controllably make described solar heat collector heat successively
Water in water tank and the described working media in described heat pump heating device provide heat, or only to described
Described working media in heat pump heating device provides heat.
Alternatively, described solar heat collector also includes:
Solar thermal collector, is configured to absorb its interior catalyst carrier of solar energy heating, and has catalyst carrier import
Export with catalyst carrier；
First Heat Exchanger, its inlet communication to described catalyst carrier exports, is configured to heat the water in described water tank；
Bypass line, its inlet communication to described catalyst carrier exports；And
Second heat exchanger, the outlet of described First Heat Exchanger and the outlet of described bypass line are all communicated to described
The import of the second heat exchanger, described second heat exchanger is configured to the described work in described heat pump heating device
Medium provides heat；And
After described flow shifting device is configured to controllably make described catalyst carrier flow out described solar thermal collector
Enter described second heat exchanger via described First Heat Exchanger, or make described catalyst carrier flow out described solar energy collection
Through being entered described second heat exchanger by described bypass line after hot device.
Alternatively, described flow shifting device includes the first valve and the second valve, and described first valve sets
Being placed on the pipeline between the import of described First Heat Exchanger and the outlet of described catalyst carrier, described second valve sets
It is placed on described bypass line；Or
Described flow shifting device is electric T-shaped valve, its import and described catalyst carrier outlet, two
Outlet is respectively communicated with described First Heat Exchanger and the import of described bypass line.
Alternatively, described heat pump heating device has condenser and the first vaporizer, and described condenser and institute
Stating water tank thermally coupled, described first vaporizer is connected with described second exchanger heat.
Alternatively, described First Heat Exchanger is built-in coil heat exchanger, is arranged in described water tank；
Described condenser is externally-wound type coil heat exchanger or externally-wound type concurrent flow micro-channel heat exchanger, is arranged at institute
On the outer wall of the inner bag stating water tank.
Alternatively, described first vaporizer and described second heat exchanger are heat exchanger tube；And
Described first vaporizer and described second heat exchanger are respectively two heat exchanger tubes of plate type heat exchanger, or
Described first vaporizer and described second heat exchanger are respectively the inner and outer tubes of double pipe heat exchanger.
Alternatively, described heat pump heating device also includes the second vaporizer, described second vaporizer and described the
One evaporator series or be arranged in parallel.
Alternatively, described second vaporizer is finned tube evaporator.
Alternatively, described solar heat collector also has pumping installations, is configured to promote described catalyst carrier to follow
Circulation moves；Described catalyst carrier is anti-icing fluid or water.
Because solar heat collector can heat individually in solar heat pump water heating apparatus of the present utility model
Water in water tank, heat the vaporizer of heat pump heating device individually, and can water in first heating water tank,
The vaporizer of recycling waste-heat heat pump heating device, heat pump heating device also can work independently, can be daily
Gas situation selects the most energy-conservation water heating mode, it is possible to work simultaneously, improves water heating speed, it is possible to each other
Standby, it is ensured that user's hot water is supplied.Solar heat pump water heating apparatus of the present utility model disclosure satisfy that user is complete
Weather is to hot water amount, the requirement of hot water heating speed, and greatly extension Teat pump boiler territory of use, improves
The efficiency when reliability of heat pump.
Further, solar heat pump water heating apparatus of the present utility model can be according to the heat-carrying after solar energy heating
The climbing speed of agent temperature and Water in Water Tanks temperature and Water in Water Tanks temperature controls solar heat pump water heating apparatus
Work, can realize the various demands such as water temperature energy-conservation, high, rapid hot water output.
According to below in conjunction with the accompanying drawing detailed description to this utility model specific embodiment, those skilled in the art
Will become more apparent from of the present utility model above-mentioned and other purposes, advantage and feature.
Accompanying drawing explanation
Describe in detail more of the present utility model the most by way of example, and not by way of limitation
Specific embodiment.Reference identical in accompanying drawing denotes same or similar parts or part.This area
It is to be understood by the skilled artisans that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic structure of the solar heat pump water heating apparatus according to one embodiment of this utility model
Figure；
Fig. 2 is the schematic structure of the solar heat pump water heating apparatus according to one embodiment of this utility model
Figure.
Detailed description of the invention
Fig. 1 is the schematic structure of the solar heat pump water heating apparatus according to one embodiment of this utility model
Figure.As it is shown in figure 1, this utility model embodiment provides a kind of solar heat pump water heating apparatus, this sun
Can include water tank 20, heat pump heating device 30, solar heat collector 40, control by heat-pump water heater
Device 50 and temperature-detecting device.
Water tank 20 is used for storing water in can including inner water tank, heat-insulation layer and shell, and inner water tank.
Heat pump heating device 30 can have compressor, condenser 31, restricting element and the first vaporizer 32.
Restricting element is electric expansion valve or capillary tube.It is filled with work in the circulation line of heat pump heating device 30
Medium, such as freon or natural refrigerant cold-producing medium.Heat pump heating device 30 and water tank 20 thermally coupled, in order to
With the water in its interior working media heating water tank 20.Specifically, condenser 31 and water tank 20 thermally coupled,
With the water in heating water tank 20.
Solar heat collector 40 has a flow passage selector device, and with water tank 20 and heat pump heating device 30
Thermally coupled, flow passage selector device is configured to controllably make in solar heat collector 40 heating water tank 20 successively
Water and working media in heat pump heating device 30 provide heat, or only to heat pump heating device 30
Interior working media provides heat.Specifically, solar heat collector 40 farther includes solar energy heating
Device 41, First Heat Exchanger 42, bypass line, the second heat exchanger 43.Solar thermal collector 41 is configured to inhale
Receive its interior catalyst carrier of solar energy heating, and there is catalyst carrier import and catalyst carrier outlet.First Heat Exchanger 42
Import with bypass line is all communicated to catalyst carrier outlet, the outlet of First Heat Exchanger 42 and bypass line
Outlet is all communicated to the import of the second heat exchanger 43, and the outlet of the second heat exchanger 43 is to catalyst carrier import.
And, First Heat Exchanger 42 is configured to the water in heating water tank 20, and the second heat exchanger 43 is configured to thermotropism
Working media in pump heater 30 provides heat.Flow shifting device electrically connects with controller 50, and
Through being entered second by First Heat Exchanger 42 after can be configured to controllably make catalyst carrier flow out solar thermal collector 41
Heat exchanger 43, or make catalyst carrier flow out after solar thermal collector 41 through being entered the second heat exchanger by bypass line
43。
Temperature-detecting device electrically connects with controller 50, it may include environment temperature sensor, water tank temperature pass
Sensor 61, solar energy leaving water temperature sensors 62, compressor air suction temperature sensor etc..Water tank temperature passes
Sensor 61 is arranged in water tank 20, to detect the water temperature in water tank 20.Solar energy leaving water temperature sensors
62 are arranged at catalyst carrier exit, to detect the temperature of the catalyst carrier in the catalyst carrier exit of solar thermal collector
Degree.Environment temperature sensor and compressor air suction temperature sensor are respectively used to detect ambient temperature and compressor
Suction temperature.
In embodiments more of the present utility model, as it is shown in figure 1, flow shifting device can be electric three passes
Valve 47, is arranged at catalyst carrier exit, the import of electric T-shaped valve 47 and catalyst carrier outlet, two
Outlet is respectively communicated with the import of First Heat Exchanger 42 and bypass line.Substituting more of the present utility model
In embodiment, as in figure 2 it is shown, flow shifting device can include two two-port valves, such as the first valve 44 He
Second valve 45.Catalyst carrier exit can be provided with tee T, and two outlets of tee T are respectively communicated with first
Heat exchanger 42 and the import of bypass line.And first valve 44 be arranged at First Heat Exchanger 42 import and
On pipeline between catalyst carrier outlet.Second valve 45 is arranged on bypass line.Preferably, the first valve
Door 44 and the second valve 45 are electromagnetic valve.
In embodiments more of the present utility model, solar thermal collector 41 can have glass tube heat collector or
Flat plate collector.Catalyst carrier is preferably anti-freeze type catalyst carrier, such as anti-icing fluid, prevents catalyst carrier from tying when winter
Ice.Solar heat collector 40 also has pumping installations 46, is configured to promote catalyst carrier to circulate.?
In some alternate embodiment, catalyst carrier is alternatively water.
In embodiments more of the present utility model, First Heat Exchanger 42 is built-in coil heat exchanger, if
It is placed in water tank 20.Condenser 31 is externally-wound type coil heat exchanger or externally-wound type concurrent flow micro-channel heat exchanger,
On the outer wall of the inner bag being arranged at water tank.In some alternate embodiment, First Heat Exchanger 42 can be to add
Hot coil, on the outer wall of the inner bag being arranged at water tank 20.Condenser 31 can be built-in heat exchanger, arranges
In water tank 20.Further, First Heat Exchanger 42 may be disposed at the bottom of water tank 20, condenser 31
May be disposed at the top of water tank 20.
In embodiments more of the present utility model, the first vaporizer 32 and the second heat exchanger 43 thermally coupled,
So that the working media that the second heat exchanger 43 is in heat pump heating device 30 provides heat.Second heat exchanger 43
It is monolithic construction with the first vaporizer 32, in order to the first vaporizer 32 is carried out with the second heat exchanger 43
Heat exchange.Such as, the second heat exchanger 43 and the first vaporizer 32 may make up two-way heat exchanger, such as bushing type
Heat exchanger, plate type heat exchanger etc..Specifically, the first vaporizer 32 and the second heat exchanger 43 are heat exchanger tube；
And first vaporizer 32 and the second heat exchanger 43 be respectively two heat exchanger tubes of plate type heat exchanger, or first steams
Send out device 32 and the inner and outer tubes of the second heat exchanger 43 respectively double pipe heat exchanger.
Preferably, in some embodiments of this embodiment, the first vaporizer 32 also can be arranged to same
Time have and absorb the vaporizer of heat in air.In other embodiments, heat pump heating device 30 is also
Including the second vaporizer 33 and blower fan 34, so that heat pump heating device 30 is at solar heat collector 40 not
Work independently during work.Second vaporizer 33 and the first vaporizer 32 serial or parallel connection are arranged.Such as,
Two vaporizers 33 are finned tube evaporator etc..Specifically, the second vaporizer 33 and the first vaporizer 32
Series connection, and as it is shown in figure 1, the second vaporizer 33 is arranged at the upstream of the first vaporizer 32.
The solar heat pump water heating apparatus of this utility model embodiment can have multiple-working mode: works as solar energy
When heat collector 41 endothermic effect is fabulous, solar heat collector 40 works, and the first valve 44 is opened, the
Two valves 45 are closed, and heat pump heating device 30 does not works, and solar energy can the independent water in heating water tank 20.
When solar thermal collector 41 endothermic effect extreme difference, the first valve 44 and the second valve 45 all can be closed,
Solar heat collector 40 does not works, and heat pump heating device 30 works independently, with independent heating water tank 20
In water.Preferably, solar heat collector 40 and heat pump heating device 30 are also simultaneously operable, when too
Sun can heat collector 41 endothermic effect not so good or general time, the first valve 44 opens, and the second valve 45 closes
Closing, the water in solar energy elder generation heating water tank 20, recycling adds the waste-heat heat pump heating device after hot water
First vaporizer 32 of 30, to make full use of solar energy.When solar thermal collector 41 endothermic effect is poor,
First valve 44 is closed, and the second valve 45 is opened, and solar energy only heats the first of heat pump heating device 30
Vaporizer 32, to improve the work efficiency of heat pump heating device.
The solar heat pump water heating apparatus of this utility model embodiment has heat pump heating device 30 and solar energy
Double heatings of heater 40 composition, can select the most energy-conservation water heating mode by weather condition；Can
To work simultaneously, improve water heating speed；Can be the most standby, it is ensured that user's hot water is supplied.Dual system is i.e.
Can work independently, it is possible to parallel connection works simultaneously, also can connect works simultaneously, it is possible to meet user round-the-clock right
Hot water amount, the requirement of hot water heating speed.Solar heat collector 40 can be as heat pump heating device 30
Thermal source, greatly extend heat driven heat pump heater 30 territory of use, improve heat pump heating device 30
Efficiency when reliability.
This utility model embodiment additionally provides a kind of solar heat pump in any of the above-described embodiment heat
The control method of water device, this control method comprises the steps that
Water temperature in detection water tank, obtains the first detection temperature；And the sun of detection solar heat collector
The temperature of the catalyst carrier in the catalyst carrier exit of energy heat collector, obtains the second detection temperature.In order to control heat pump
The work of heater, ambient temperature to be detected obtains the 3rd detection temperature；And the suction of detection compressor
Temperature, obtains the 4th detection temperature.
When difference between the first detection temperature and target water temperature is more than or equal to the first threshold preset, open
Dynamic solar heat collector.
Judge the second detection temperature whether more than the first detection temperature, the most then judge the second detection temperature and
Whether the difference between the first detection temperature is more than the Second Threshold preset；
When difference between the second detection temperature and the first detection temperature is more than Second Threshold, solar energy is made to add
Water in thermal heating water tank successively and the working media in heat pump heating device provide heat, namely
Say, make catalyst carrier flow out solar thermal collector, enter the second heat exchanger by by First Heat Exchanger, finally return
Return solar thermal collector；
Judge whether the climbing speed of the first detection temperature is less than or equal to the 3rd threshold value preset, and judge
Whether the difference between the second detection temperature and the first detection temperature is less than or equal to Second Threshold；
First detection temperature climbing speed less than or equal to three threshold values time, or second detection temperature with
When difference between first detection temperature is less than or equal to Second Threshold, start heat pump heating device；And
When difference between two detection temperature and the first detection temperature is less than or equal to Second Threshold, make solar energy heating
The device only working media in heat pump heating device provides heat, i.e. make catalyst carrier flow out solar energy heating
Device, enters the second heat exchanger by by bypass line, finally returns to solar thermal collector.Heat pump heating device
During work, opening of blower fan start and stop and throttling arrangement can be controlled according to the 3rd detection temperature and the 4th detection temperature
Degree.
After starting solar heat collector, it is judged that obtain the second detection temperature and detect temperature more than first, with
And the difference that second between detection temperature and the first detection temperature is less than or equal to Second Threshold, starts heat pump and adds
Thermal, and make the solar heat collector only working media in heat pump heating device provide heat, i.e.
Make catalyst carrier flow out solar thermal collector, enter the second heat exchanger by by bypass line, finally return to the sun
Energy heat collector, and start heat pump heating device.
In this control method, may also include that the difference between the first detection temperature and target water temperature is more than
Or during equal to the first threshold preset, it is judged that obtain the second detection temperature and detect temperature less than or equal to first,
The pumping installations that can make solar heat collector does not works (i.e. can be regarded as solar heat collector not work),
Start heat pump heating device, to rely solely on heat pump heating device heat hot water.
This control method can make controller according to the catalyst carrier exit of coolant-temperature gage, solar thermal collector in water tank
Catalyst carrier temperature and water tank water temperature climbing speed etc., automatically control the first valve and the start and stop of the second valve,
Control the start and stop of pumping installations and control compressor and the start and stop of blower fan, it is achieved user's water temperature energy-conservation, high,
The various demand such as rapid hot water output.
So far, although those skilled in the art will appreciate that the most detailed to illustrate and describe this practicality new
Multiple exemplary embodiments of type, but, in the case of without departing from this utility model spirit and scope, still
Can directly determine according to this utility model disclosure or derive the many meeting this utility model principle
Other variations or modifications.Therefore, scope of the present utility model is it is understood that and regard as covering all these
Other variations or modifications.
Claims (9)
1. a solar heat pump water heating apparatus, it is characterised in that including:
Water tank；
Heat pump heating device, and described water tank thermally coupled, to utilize its interior working media to heat the water in described water tank；With
Solar heat collector, there is flow passage selector device, and with described water tank and described heat pump heating device thermally coupled, described flow passage selector device is configured to controllably make described solar heat collector heat the water in described water tank successively and the described working media in described heat pump heating device provides heat, or only the described working media in described heat pump heating device provides heat.
Solar heat pump water heating apparatus the most according to claim 1, it is characterised in that described solar heat collector also includes:
Solar thermal collector, is configured to absorb its interior catalyst carrier of solar energy heating, and has catalyst carrier import and catalyst carrier outlet；
First Heat Exchanger, its inlet communication to described catalyst carrier exports, is configured to heat the water in described water tank；
Bypass line, its inlet communication to described catalyst carrier exports；And
Second heat exchanger, the outlet of described First Heat Exchanger and the outlet of described bypass line are all communicated to the import of described second heat exchanger, and the described working media that described second heat exchanger is configured in described heat pump heating device provides heat；And
Described flow passage selector device be configured to controllably to make described catalyst carrier to flow out described solar thermal collector after through being entered described second heat exchanger by described First Heat Exchanger, or through being entered described second heat exchanger by described bypass line after making described catalyst carrier flow out described solar thermal collector.
Solar heat pump water heating apparatus the most according to claim 2, it is characterised in that
Described flow passage selector device includes the first valve and the second valve, and described first valve is arranged on the pipeline between the import of described First Heat Exchanger and the outlet of described catalyst carrier, and described second valve is arranged on described bypass line；Or
Described flow passage selector device is electric T-shaped valve, and its import and described catalyst carrier outlet, two outlet is respectively communicated with described First Heat Exchanger and the import of described bypass line.
Solar heat pump water heating apparatus the most according to claim 2, it is characterised in that
Described heat pump heating device has condenser and the first vaporizer, and described condenser and described water tank thermally coupled, and described first vaporizer is connected with described second exchanger heat.
Solar heat pump water heating apparatus the most according to claim 4, it is characterised in that
Described First Heat Exchanger is built-in coil heat exchanger, is arranged in described water tank；
Described condenser is externally-wound type coil heat exchanger or externally-wound type concurrent flow micro-channel heat exchanger, on the outer wall of the inner bag being arranged at described water tank.
Solar heat pump water heating apparatus the most according to claim 4, it is characterised in that
Described first vaporizer and described second heat exchanger are heat exchanger tube；And
Described first vaporizer and described second heat exchanger are respectively two heat exchanger tubes of plate type heat exchanger, or
Described first vaporizer and described second heat exchanger are respectively the inner and outer tubes of double pipe heat exchanger.
Solar heat pump water heating apparatus the most according to claim 4, it is characterised in that
Described heat pump heating device also includes the second vaporizer, described second vaporizer and described first evaporator series or be arranged in parallel.
Solar heat pump water heating apparatus the most according to claim 7, it is characterised in that
Described second vaporizer is finned tube evaporator.
Solar heat pump water heating apparatus the most according to claim 2, it is characterised in that
Described solar heat collector also has pumping installations, is configured to promote described catalyst carrier to circulate；
Described catalyst carrier is anti-icing fluid or water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180852.8U CN205481741U (en) | 2016-03-09 | 2016-03-09 | Solar heat pump hot water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620180852.8U CN205481741U (en) | 2016-03-09 | 2016-03-09 | Solar heat pump hot water device |
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| Publication Number | Publication Date |
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| CN205481741U true CN205481741U (en) | 2016-08-17 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620180852.8U Active CN205481741U (en) | 2016-03-09 | 2016-03-09 | Solar heat pump hot water device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369813A (en) * | 2016-10-25 | 2017-02-01 | 湖州师范学院 | Energy-saving hot water supply device |
| CN107178903A (en) * | 2016-03-09 | 2017-09-19 | 青岛海尔新能源电器有限公司 | Solar heat pump water heating apparatus and its control method |
| CN108870742A (en) * | 2017-05-10 | 2018-11-23 | 青岛经济技术开发区海尔热水器有限公司 | Novel dual-energy hot water system and control method |
| CN108870882A (en) * | 2018-05-21 | 2018-11-23 | 上海理工大学 | A kind of combined solar energy heat pump drying device |
-
2016
- 2016-03-09 CN CN201620180852.8U patent/CN205481741U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178903A (en) * | 2016-03-09 | 2017-09-19 | 青岛海尔新能源电器有限公司 | Solar heat pump water heating apparatus and its control method |
| CN106369813A (en) * | 2016-10-25 | 2017-02-01 | 湖州师范学院 | Energy-saving hot water supply device |
| CN108870742A (en) * | 2017-05-10 | 2018-11-23 | 青岛经济技术开发区海尔热水器有限公司 | Novel dual-energy hot water system and control method |
| CN108870882A (en) * | 2018-05-21 | 2018-11-23 | 上海理工大学 | A kind of combined solar energy heat pump drying device |
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