CN107178903A - Solar heat pump water heating apparatus and its control method - Google Patents

Solar heat pump water heating apparatus and its control method Download PDF

Info

Publication number
CN107178903A
CN107178903A CN201610134744.1A CN201610134744A CN107178903A CN 107178903 A CN107178903 A CN 107178903A CN 201610134744 A CN201610134744 A CN 201610134744A CN 107178903 A CN107178903 A CN 107178903A
Authority
CN
China
Prior art keywords
heat
heating
water
solar
heat pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610134744.1A
Other languages
Chinese (zh)
Inventor
王建良
杨磊
陈炳泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Haier New Energy Electric Appliance Co Ltd
Original Assignee
Qingdao Haier New Energy Electric Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qingdao Haier New Energy Electric Appliance Co Ltd filed Critical Qingdao Haier New Energy Electric Appliance Co Ltd
Priority to CN201610134744.1A priority Critical patent/CN107178903A/en
Publication of CN107178903A publication Critical patent/CN107178903A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H4/00Fluid heaters using heat pumps
    • F24H4/02Liquid heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices or methods
    • F24H9/2007Arrangement or mounting of control or safety devices or methods for water heaters

Abstract

The invention provides a kind of solar heat pump water heating apparatus and its control method.The solar heat pump water heating apparatus includes water tank;Heat pump heating device, it is thermally coupled with water tank, to utilize the water in the working media heating water tank in it;And solar heat collector, with flow passage selector device, and it is thermally coupled with water tank and heat pump heating device, flow passage selector device is configured to controllably make solar heat collector heat the water in water tank and the offer heat of the working media into heat pump heating device, or the working media offer heat only into heat pump heating device successively.The solar heat pump water heating apparatus of the present invention disclosure satisfy that user is round-the-clock to hot water amount, the requirement of hot water heating speed.

Description

Solar heat pump water heating apparatus and its control method
Technical field
The present invention relates to field of water heaters, more particularly to a kind of solar heat pump water heating apparatus and its controlling party Method.
Background technology
Current water heater is generally divided into fuel-firing gas-firing water heater, electric heating hot water, solar water heater, sky Air supply heat pump water heater etc. is several.Fuel-firing gas-firing water heater be by burning liquid gas, natural gas, kerosene, The mineral such as alcohol or organic-fuel heat a kind of water heater of water, and such water heater is easily fired by fuel The influences of the factors such as the fluctuation of burning degree and hydraulic pressure is and not enough in oxygen supply so as to cause fluctuating temperature ratio larger In the case of, the toxic gases such as carbon monoxide are easily produced, can when having very big injury serious to human body Poisoning can be caused, it is often more important that need to consume substantial amounts of non-renewable resources, use cost is high, Effect on environment is also larger.Electric heating hot water is a kind of hot water heated by consuming high-grade electric energy Device, the type obtains water heater using more convenient, but for electric energy service efficiency than relatively low, and easily There is the potential safety hazard of electric shock.Solar water heater is that one kind is a kind of using vacuum tube collection solar water heater Solar energy is collected the water heater that heats using vacuum tube, environmentally friendly and operating cost is low, the i.e. sun There is the not enough defect of hot water temperature made from rainy weather in energy water heater.Air source hot pump water heater is a kind of Using 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 elevated water heater of its temperature, but there is heating capacity when environment temperature is relatively low in air source hot pump water heater Not enough defect.In order to solve the above problems, some existing schemes realize the sun using four magnetic valves Evaporator heat supply, or individually feed-tank heat supply can be individually given, to realize two kinds of heat-supplying modes.However, these Systematic comparison is complicated, and cost is higher;And its solar energy system can only give evaporator or water tank heat supply respectively, Make solar energy system utilization rate not high, and it is larger to be likely to result in heat pump evaporation load, influence heat pump system System reliability.
The content of the invention
One purpose of first aspect present invention is intended to overcome existing solar water heater and air source heat pump At least one defect of water heater is there is provided a kind of solar heat pump water heating apparatus, and it can solve solar water The water heating defect that device and air source hot pump water heater are individually present, to obtain higher, stable water temperature.
Another purpose of first aspect present invention is solar energy to be made feed-tank and evaporator heat supply simultaneously, is carried The utilization rate of high solar.
One purpose of second aspect of the present invention is to provide for a kind of for above-mentioned solar heat pump water heating apparatus Control method.
According to the first aspect of the invention, the invention provides a kind of solar heat pump water heating apparatus, including:
Water tank;
Heat pump heating device, it is thermally coupled with the water tank, to heat the water tank using the working media in it In water;With
Solar heat collector, with flow passage selector device, and with the water tank and the heat pump heating device Thermally coupled, it is described that the flow passage selector device is configured to controllably to make the solar heat collector to heat successively Water in water tank and the working media into the heat pump heating device provide heat, or only to described The working media in heat pump heating device provides heat.
Alternatively, the solar heat collector also includes:
Solar thermal collector, is configured to absorb catalyst carrier of the solar energy heating in it, and with catalyst carrier import With catalyst carrier outlet;
First Heat Exchanger, its inlet communication to the catalyst carrier is exported, and is configured to heat the water in the water tank;
Bypass line, its inlet communication to the catalyst carrier is exported;And
Second heat exchanger, the outlet of the First Heat Exchanger and the outlet of the bypass line are communicated to described The import of second heat exchanger, second heat exchanger is configured to the work into the heat pump heating device Medium provides heat;And
The flow shifting device is configured to controllably make the catalyst carrier flow out after the solar thermal collector Enter second heat exchanger via the First Heat Exchanger, or the catalyst carrier is flowed out the solar energy collection Passed through after hot device and second heat exchanger is entered by the bypass line.
Alternatively, the flow shifting device includes the first valve and the second valve, and first valve is set It is placed on the pipeline between the import of the First Heat Exchanger and catalyst carrier outlet, second valve is set It is placed on the bypass line;Or
The flow shifting device is electric T-shaped valve, its import and the catalyst carrier outlet, two Outlet is respectively communicated with the import of the First Heat Exchanger and the bypass line.
Alternatively, the heat pump heating device has condenser and the first evaporator, and the condenser and institute State water tank thermally coupled, first evaporator is connected with second exchanger heat.
Alternatively, the First Heat Exchanger is built-in coil heat exchanger, is arranged in the water tank;
The 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 for the inner bag for stating water tank.
Alternatively, first evaporator and second heat exchanger are heat exchanger tube;And
First evaporator and second heat exchanger are respectively two heat exchanger tubes of plate type heat exchanger, or
First evaporator and second heat exchanger are respectively the inner and outer tubes of double pipe heat exchanger.
Alternatively, the heat pump heating device also includes the second evaporator, second evaporator and described the One evaporator series are arranged in parallel.
Alternatively, second evaporator is finned tube evaporator.
Alternatively, the solar heat collector also has pumping installations, is configured to promote the catalyst carrier to follow Circulation is moved;The catalyst carrier is anti-icing fluid or water.
According to the second aspect of the invention, it is used for any of the above-described kind of solar heat pump present invention also offers one kind The control method of hot water apparatus, it includes:
The water temperature in the water tank is detected, the first detection temperature is obtained;And detect the solar energy heating dress The temperature of the catalyst carrier in the catalyst carrier exit for the solar thermal collector put, obtains the second detection temperature;
Difference between first detection temperature and target water temperature is more than or equal to default first threshold When, start the solar heat collector;
Judge whether second detection temperature is more than first detection temperature, if so, then judging described the Whether the difference between two detection temperatures and first detection temperature is more than default Second Threshold;Described When difference between second detection temperature and first detection temperature is more than the Second Threshold, make it is described too Positive energy heater heats the water in the water tank and the work into the heat pump heating device successively Medium provides heat;
Judge whether the climbing speed of first detection temperature is less than or equal to default 3rd threshold value, and Judge whether the difference between second detection temperature and first detection temperature is less than or equal to described Second Threshold;
When the climbing speed of first detection temperature is less than or equal to three threshold value, or described the When difference between two detection temperatures and first detection temperature is less than or equal to the Second Threshold, start The heat pump heating device;And the difference between second detection temperature and first detection temperature is small When the Second Threshold, make the solar heat collector only into the heat pump heating device The working media provides heat;
After the solar heat collector is started, judgement obtains second detection temperature more than described first Difference between detection temperature, and second detection temperature and first detection temperature is less than or equal to The Second Threshold, starts the heat pump heating device, and make the solar heat collector only to the heat The working media in pump heater provides heat.
Because solar heat collector can individually heat water tank in the solar heat pump water heating apparatus of the present invention In water, individually heat the evaporator of heat pump heating device, and can first heat the water in water tank, then profit With the evaporator of waste-heat heat pump heating device, heat pump heating device can also work independently, can be by weather feelings Condition is also simultaneously operable from the water heating mode most saved, and raising heats water speed, also can be standby each other, Ensure the supply of user's hot water.The solar heat pump water heating apparatus of the present invention disclosure satisfy that user is round-the-clock to hot water Amount, the requirement of hot water heating speed, greatly extend Teat pump boiler territory of use, improve heat pump Efficiency when reliability.
, can be according to the load after solar energy heating in the solar heat pump water heating apparatus and its control method of the present invention The climbing speed control solar heat pump water heating apparatus of thermit powder temperature and Water in Water Tanks temperature and Water in Water Tanks temperature Work, the various demands such as energy-conservation, high water temperature, rapid hot water output can be achieved.
According to the accompanying drawings to the detailed description of the specific embodiment of the invention, those skilled in the art will More understand above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some of the invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter specific Embodiment.Identical reference denotes same or similar part or part in accompanying drawing.Art technology Personnel are it should be understood that what these accompanying drawings were not necessarily drawn to scale.In accompanying drawing:
Fig. 1 is the schematic diagram of solar heat pump water heating apparatus according to an embodiment of the invention;
Fig. 2 is the schematic diagram of solar heat pump water heating apparatus according to an embodiment of the invention.
Embodiment
Fig. 1 is the schematic diagram of solar heat pump water heating apparatus according to an embodiment of the invention.Such as Shown in Fig. 1, the embodiments of the invention provide a kind of solar heat pump water heating apparatus, the solar heat pump and water heating Device may include water tank 20, heat pump heating device 30, solar heat collector 40, controller 50 and temperature Detection means.
Water tank 20 may include to be used to store water in 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 evaporator 32. Restricting element is electric expansion valve or capillary.Work is filled with the circulation line of heat pump heating device 30 Medium, such as freon or natural refrigerant refrigerant.Heat pump heating device 30 and water tank 20 are thermally coupled, with profit With the water in the working media heating water tank 20 in it.Specifically, condenser 31 and water tank 20 are thermally coupled, To heat the water in water tank 20.
Solar heat collector 40 have 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 solar heat collector 40 heat in water tank 20 successively Water and working media into heat pump heating device 30 heat is provided, or only to heat pump heating device 30 Interior working media provides heat.Specifically, solar heat collector 40 further comprises solar energy heating Device 41, First Heat Exchanger 42, bypass line, the second heat exchanger 43.Solar thermal collector 41 is configured to inhale Catalyst carrier of the solar energy heating in it is received, and is exported with catalyst carrier import and catalyst carrier.First Heat Exchanger 42 Import with bypass line is communicated to catalyst carrier outlet, the outlet of First Heat Exchanger 42 and bypass line Outlet is communicated to the import of the second heat exchanger 43, the outlet of the second heat exchanger 43 to catalyst carrier import. Moreover, First Heat Exchanger 42 is configured to heat the water in water tank 20, the second heat exchanger 43 is configured to heat Working media in pump heater 30 provides heat.Flow shifting device is electrically connected with controller 50, and Can be configured to controllably makes catalyst carrier flow out after solar thermal collector 41 through entering second by First Heat Exchanger 42 Heat exchanger 43, or catalyst carrier is flowed out after solar thermal collector 41 through entering the second heat exchanger by bypass line 43。
Temperature-detecting device is electrically connected with controller 50, it may include environment temperature sensor, water tank temperature are passed Sensor 61, solar energy leaving water temperature sensors 62, compressor air suction temperature sensor etc..Water tank temperature is passed 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, with the temperature of the catalyst carrier in the catalyst carrier exit of detecting solar thermal collector Degree.Environment temperature sensor and compressor air suction temperature sensor are respectively used to detection environment temperature and compressor Suction temperature.
In some embodiments of the invention, as shown in figure 1, flow shifting device can be electric T-shaped valve 47, It is arranged at catalyst carrier exit, import and the catalyst carrier outlet of electric T-shaped valve 47, two outlets point Not Lian Tong First Heat Exchanger 42 and bypass line import.In some alternate embodiments of the present invention, As shown in Fig. 2 flow shifting device may include two two-port valves, such as the first valve 44 and the second valve 45. Catalyst carrier exit can be provided with three-way pipe, and two outlets of three-way pipe are respectively communicated with the He of First Heat Exchanger 42 The import of bypass line.And first valve 44 be arranged at the import of First Heat Exchanger 42 and catalyst carrier exports it Between pipeline on.Second valve 45 is arranged on bypass line.Preferably, the first valve 44 and the second valve Door 45 is magnetic valve.
In some embodiments of the invention, solar thermal collector 41 can have glass tube heat collector or flat board Heat collector.Catalyst carrier is preferably anti-freeze type catalyst carrier, and such as anti-icing fluid prevents catalyst carrier from freezing in winter. Solar heat collector 40 also has pumping installations 46, is configured to promote catalyst carrier to circulate.At some In alternate embodiment, catalyst carrier is alternatively water.
In some embodiments of the invention, First Heat Exchanger 42 is built-in coil heat exchanger, is arranged at In water tank 20.Condenser 31 be externally-wound type coil heat exchanger or externally-wound type concurrent flow micro-channel heat exchanger, if On the outer wall for being placed in the inner bag of water tank.In some alternate embodiments, First Heat Exchanger 42 can be heating On coil pipe, the outer wall for being arranged at the inner bag of water tank 20.Condenser 31 can be built-in heat exchanger, be arranged at In water tank 20.Further, First Heat Exchanger 42 may be disposed at the bottom of water tank 20, and condenser 31 can It is arranged at the top of water tank 20.
In some embodiments of the invention, the first evaporator 32 and the second heat exchanger 43 are thermally coupled, so that Working media of second heat exchanger 43 into heat pump heating device 30 provides heat.Second heat exchanger 43 with First evaporator 32 is monolithic construction, in order to which the first evaporator 32 and the second heat exchanger 43 carry out heat Exchange.For example, the second heat exchanger 43 and the first evaporator 32 may make up two-way heat exchanger, such as bushing type is changed Hot device, plate type heat exchanger etc..Specifically, the first evaporator 32 and the second heat exchanger 43 are heat exchanger tube; And first evaporator 32 and the second heat exchanger 43 be respectively plate type heat exchanger two heat exchanger tubes, or first steam Send out the inner and outer tubes that the heat exchanger 43 of device 32 and second is respectively double pipe heat exchanger.
Preferably, in some embodiments of the embodiment, the first evaporator 32 can also be arranged to same When there is the evaporator of heat in absorption air.In other embodiments, heat pump heating device 30 is also Including the second evaporator 33 and blower fan 34 so that heat pump heating device 30 in solar heat collector 40 not Worked independently during work.Second evaporator 33 and the serial or parallel connection of the first evaporator 32 are set.For example, the Two evaporators 33 are finned tube evaporator etc..Specifically, the second evaporator 33 and the first evaporator 32 Series connection, and as shown in figure 1, the second evaporator 33 is arranged at the upstream of the first evaporator 32.
The solar heat pump water heating apparatus of the embodiment of the present invention can have multiple-working mode:Work as solar energy heating When the endothermic effect of device 41 is fabulous, solar heat collector 40 is worked, and the first valve 44 is opened, the second valve Door 45 is closed, and heat pump heating device 30 does not work, and solar energy can individually heat the water in water tank 20.When During 41 endothermic effect extreme difference of solar thermal collector, the first valve 44 and the second valve 45 can be closed, too Positive energy heater 40 does not work, and heat pump heating device 30 works independently, individually to heat in water tank 20 Water.Preferably, solar heat collector 40 and heat pump heating device 30 are also simultaneously operable, and work as the sun When the energy endothermic effect of heat collector 41 is not so good or general, the first valve 44 is opened, and the second valve 45 is closed, Solar energy first heats the water in water tank 20, recycles the waste-heat heat pump heating device 30 after heating water First evaporator 32, to make full use of solar energy.When the endothermic effect of solar thermal collector 41 is poor, the One valve 44 is closed, and the second valve 45 is opened, and solar energy only heats the first steaming of heat pump heating device 30 Device 32 is sent out, to improve the operating efficiency of heat pump heating device.
The solar heat pump water heating apparatus of the embodiment of the present invention has heat pump heating device 30 and solar energy heating Double heatings that device 40 is constituted, can be by weather condition from the water heating mode most saved;Can be same When work, raising heat water speed;Can be standby each other, it is ensured that user's hot water is supplied.Dual system can be single Solely work, in parallel can also work simultaneously, can also connect and work simultaneously, disclosure satisfy that user is round-the-clock to hot water Amount, the requirement of hot water heating speed.Solar heat collector 40 can as heat pump heating device 30 heat Source, greatly extends the territory of use of heat driven heat pump heater 30, improves the energy of heat pump heating device 30 Imitate when reliability.
The embodiment of the present invention additionally provides a kind of solar heat pump and water heating dress being used in any of the above-described embodiment The control method put, the control method may include:
The water temperature in water tank is detected, the first detection temperature is obtained;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, will also detect that environment temperature obtains the 3rd detection temperature;And the suction of detection compressor Temperature degree, obtains the 4th detection temperature.
When difference between the first detection temperature and target water temperature is more than or equal to default first threshold, open Dynamic solar heat collector.
Judge the second detection temperature whether be more than the first detection temperature, if so, then judge the second detection temperature with Whether the difference between the first detection temperature is more than default Second Threshold;
When difference between the second detection temperature and the first detection temperature is more than Second Threshold, add solar energy Thermal heats the water in water tank successively and the working media into heat pump heating device provides heat, that is, Say, catalyst carrier is flowed 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 default 3rd threshold value, and judge Whether the difference between the second detection temperature and the first detection temperature is less than or equal to Second Threshold;
The first detection temperature climbing speed be less than or equal to three threshold values when, or the 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 temperatures and the first detection temperature is less than or equal to Second Threshold, make solar energy heating Working media of the device only into heat pump heating device provides heat, i.e. catalyst carrier is flowed 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 for blower fan start and stop and throttling arrangement can be controlled according to the 3rd detection temperature and the 4th detection temperature Degree.
After solar heat collector is started, judgement obtains the second detection temperature and is more than the first detection temperature, with And the second difference between detection temperature and the first detection temperature is less than or equal to Second Threshold, starts heat pump and add Thermal, and working media of the solar heat collector only into heat pump heating device is provided heat, i.e. Catalyst carrier is flowed 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 the control method, it may also include:Difference between the first detection temperature and target water temperature is more than Or during equal to default first threshold, judgement obtains the second detection temperature less than or equal to the first detection temperature, The pumping installations of solar heat collector can be made not work and (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.
The 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 second valve start and stop, Control pumping installations start and stop and control compressor and blower fan start and stop, realize user's energy-conservation, high water temperature, The various demands such as rapid hot water output.
So far, although those skilled in the art will appreciate that detailed herein have shown and described the present invention's Multiple exemplary embodiments, still, still can be according to this without departing from the spirit and scope of the present invention Disclosure of invention directly determines or derived many other variations or modifications for meeting the principle of the invention.Cause This, the scope of the invention should be understood and defined as covering other all these variations or modifications.

Claims (10)

1. a kind of solar heat pump water heating apparatus, it is characterised in that including:
Water tank;
Heat pump heating device, it is thermally coupled with the water tank, to heat the water tank using the working media in it In water;With
Solar heat collector, with flow passage selector device, and with the water tank and the heat pump heating device Thermally coupled, it is described that the flow passage selector device is configured to controllably to make the solar heat collector to heat successively Water in water tank and the working media into the heat pump heating device provide heat, or only to described The working media in heat pump heating device provides heat.
2. solar heat pump water heating apparatus according to claim 1, it is characterised in that the solar energy Heater also includes:
Solar thermal collector, is configured to absorb catalyst carrier of the solar energy heating in it, and with catalyst carrier import With catalyst carrier outlet;
First Heat Exchanger, its inlet communication to the catalyst carrier is exported, and is configured to heat the water in the water tank;
Bypass line, its inlet communication to the catalyst carrier is exported;And
Second heat exchanger, the outlet of the First Heat Exchanger and the outlet of the bypass line are communicated to described The import of second heat exchanger, second heat exchanger is configured to the work into the heat pump heating device Medium provides heat;And
The flow shifting device is configured to controllably make the catalyst carrier flow out after the solar thermal collector Enter second heat exchanger via the First Heat Exchanger, or the catalyst carrier is flowed out the solar energy collection Passed through after hot device and second heat exchanger is entered by the bypass line.
3. solar heat pump water heating apparatus according to claim 2, it is characterised in that
The flow shifting device includes the first valve and the second valve, and first valve be arranged at it is described On pipeline between the import of First Heat Exchanger and catalyst carrier outlet, second valve is arranged at described On bypass line;Or
The flow shifting device is electric T-shaped valve, its import and the catalyst carrier outlet, two Outlet is respectively communicated with the import of the First Heat Exchanger and the bypass line.
4. solar heat pump water heating apparatus according to claim 2, it is characterised in that
The heat pump heating device has condenser and the first evaporator, and the condenser and water tank heat Connection, first evaporator is connected with second exchanger heat.
5. solar heat pump water heating apparatus according to claim 4, it is characterised in that
The First Heat Exchanger is built-in coil heat exchanger, is arranged in the water tank;
The 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 for the inner bag for stating water tank.
6. solar heat pump water heating apparatus according to claim 4, it is characterised in that
First evaporator and second heat exchanger are heat exchanger tube;And
First evaporator and second heat exchanger are respectively two heat exchanger tubes of plate type heat exchanger, or
First evaporator and second heat exchanger are respectively the inner and outer tubes of double pipe heat exchanger.
7. solar heat pump water heating apparatus according to claim 4, it is characterised in that
The heat pump heating device also includes the second evaporator, second evaporator and first evaporator Serial or parallel connection is set.
8. solar heat pump water heating apparatus according to claim 7, it is characterised in that
Second evaporator is finned tube evaporator.
9. solar heat pump water heating apparatus according to claim 2, it is characterised in that
The solar heat collector also has pumping installations, is configured to promote the catalyst carrier to circulate;
The catalyst carrier is anti-icing fluid or water.
10. a kind of control of solar heat pump water heating apparatus for any one of claim 1 to 9 Method, it is characterised in that including:
The water temperature in the water tank is detected, the first detection temperature is obtained;And detect the solar energy heating dress The temperature of the catalyst carrier in the catalyst carrier exit for the solar thermal collector put, obtains the second detection temperature;
Difference between first detection temperature and target water temperature is more than or equal to default first threshold When, start the solar heat collector;
Judge whether second detection temperature is more than first detection temperature, if so, then judging described the Whether the difference between two detection temperatures and first detection temperature is more than default Second Threshold;Described When difference between second detection temperature and first detection temperature is more than the Second Threshold, make it is described too Positive energy heater heats the water in the water tank and the work into the heat pump heating device successively Medium provides heat;
Judge whether the climbing speed of first detection temperature is less than or equal to default 3rd threshold value, and Judge whether the difference between second detection temperature and first detection temperature is less than or equal to described Second Threshold;
When the climbing speed of first detection temperature is less than or equal to three threshold value, or described the When difference between two detection temperatures and first detection temperature is less than or equal to the Second Threshold, start The heat pump heating device;And the difference between second detection temperature and first detection temperature is small When the Second Threshold, make the solar heat collector only into the heat pump heating device The working media provides heat;
After the solar heat collector is started, judgement obtains second detection temperature more than described first Difference between detection temperature, and second detection temperature and first detection temperature is less than or equal to The Second Threshold, starts the heat pump heating device, and make the solar heat collector only to the heat The working media in pump heater provides heat.
CN201610134744.1A 2016-03-09 2016-03-09 Solar heat pump water heating apparatus and its control method Pending CN107178903A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610134744.1A CN107178903A (en) 2016-03-09 2016-03-09 Solar heat pump water heating apparatus and its control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610134744.1A CN107178903A (en) 2016-03-09 2016-03-09 Solar heat pump water heating apparatus and its control method

Publications (1)

Publication Number Publication Date
CN107178903A true CN107178903A (en) 2017-09-19

Family

ID=59830383

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610134744.1A Pending CN107178903A (en) 2016-03-09 2016-03-09 Solar heat pump water heating apparatus and its control method

Country Status (1)

Country Link
CN (1) CN107178903A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 A kind of novel Double energy source water heating system and control method
CN109764379A (en) * 2019-01-09 2019-05-17 青岛海尔空调器有限总公司 A kind of energy resource system and its control method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 A kind of novel Double energy source water heating system and control method
CN109764379A (en) * 2019-01-09 2019-05-17 青岛海尔空调器有限总公司 A kind of energy resource system and its control method

Similar Documents

Publication Publication Date Title
CN101793421B (en) Liquid circulation heating system
CN206469594U (en) A kind of heat pump dryer
CN205481741U (en) Solar heat pump hot water device
JP5187184B2 (en) Hot water storage water heater
CN106595233A (en) Heat pump dryer
CN107787434A (en) improved temperature control system
CN107178903A (en) Solar heat pump water heating apparatus and its control method
CN102445022A (en) Air-conditioner heat pump hot-water and solar heating integrated system
CN205897575U (en) Solar energy air source heat pump trigeminy supplies system
CN107388630A (en) A kind of solar energy heat pump system based on phase-transition heat-storage
CN201852358U (en) Multifunctional heat pump device
CN205825424U (en) A kind of air energy high-temperature heat-pump water-heater
CN102997482B (en) Direct-fired lithium bromide absorption cold-hot water unit for recovering flue gas waste heat under heating working condition
CN108006805A (en) A kind of combination heating system of air energy heat pump and solar energy heat collector
CN201688578U (en) Solar water heater modified from gas or electric water heater
CN203810719U (en) Carbon dioxide heat pump water heater
CN104976815A (en) High-temperature heat pump all-in-one machine
CN203053079U (en) Fuel gas auxiliary heating energy storage type solar energy absorption refrigeration device
CN206469495U (en) A kind of heat riser
CN202177214U (en) Novel cold air water heater equipped with two condenser
CN203719224U (en) Direct-combustion lithium bromide absorption cold and hot water unit used for producing high-temperature hot water
CN204787423U (en) High temperature heat pump unit
CN107781930A (en) The control method of heat pump
CN205878682U (en) Ultra -low temperature high energy heat pump set
CN202470412U (en) Wall-mounted integral air energy electric water heater

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination