CN110553409A - Self-sufficient water source heat pump hot water energy-saving system and intelligent control method - Google Patents
Self-sufficient water source heat pump hot water energy-saving system and intelligent control method Download PDFInfo
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- CN110553409A CN110553409A CN201910988141.1A CN201910988141A CN110553409A CN 110553409 A CN110553409 A CN 110553409A CN 201910988141 A CN201910988141 A CN 201910988141A CN 110553409 A CN110553409 A CN 110553409A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 257
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims description 30
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000007710 freezing Methods 0.000 claims description 2
- 230000008014 freezing Effects 0.000 claims description 2
- 230000003020 moisturizing effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 239000003507 refrigerant Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/40—Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B40/00—Subcoolers, desuperheaters or superheaters
- F25B40/06—Superheaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a self-sufficient water source heat pump hot water energy-saving system and an intelligent control method.A circulating water source of a water source heat pump is provided through an intermediate water tank, a double-effect solar heat exchanger is used, the advantage of large area of the solar heat collecting heat exchanger is utilized, the temperature and the water level are intelligently compared, and different heat sources are intelligently identified and utilized. The invention effectively solves the problem that the traditional water source heat pump cannot be used when no large-area clean water source exists or the water source cannot continuously provide heat energy, and simultaneously solves the problem that the medium-grade solar energy cannot be used when the water temperature cannot be heated to meet the requirements of users, thereby causing resource waste. Can be widely applied to the field of hot water energy conservation.
Description
Technical Field
The invention relates to a self-sufficient water source heat pump hot water energy-saving system and an intelligent control method, and relates to the technical field of renewable energy utilization and hot water energy saving.
Background
At present, places such as schools, hotels, factories and the like need a large amount of domestic hot water at about 50 ℃, and solar water heaters are widely used in the places due to the fact that the average solar sunshine time is long in China and solar energy resources are rich. In addition, because the average temperature of a large area of China is higher in the year, for example, the average temperature of the area in south China (Guangdong, Guangxi, Guizhou, Yunnan, Hainan and the like) is higher than 22 ℃, air energy heat pumps are also used in large quantities, the air energy heat pumps are used as auxiliary heating systems of solar hot water, the air energy heat pumps and the auxiliary heating systems are well combined together, the supply of the hot water for the user all the year around can be ensured, and meanwhile, compared with the heating cost of gas, fuel oil and electricity, the energy-saving and environment.
However, the combined use of the solar energy and the air source heat pump also has the following problems to be further optimized and solved:
1. In addition, as the common solar heat collectors are installed in a large quantity and large scale in engineering, the amount of warm water is large, the heat source of the air-source heat pump is air, and the part of warm water heat energy cannot be used at the moment, so that the part of heat energy is wasted and is very pitted;
2. When the air source heat pump is used, the evaporator is in direct contact with air for a long time and is very easy to be stained with dust, so that the heat transfer effect is greatly influenced, the heating coefficient of the air source heat pump is reduced, and the hot water cost of a user is increased.
the water source heat pump has better heat transfer effect, higher heat transfer density and higher heating coefficient compared with the air energy heat pump, so that the water source heat pump is more energy-saving, but the water source heat pump generally requires a large amount of water sources such as rivers, lakes, ponds and the like, so that heat energy can be continuously provided, and the conditions are difficult to achieve in general places, so that the water source heat pump is more energy-saving compared with the air energy heat pump, but is greatly limited by the water source and the installation place during installation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a self-sufficient water source heat pump hot water energy-saving system and an intelligent control method, a circulating water source of a water source heat pump is provided through an intermediate water tank, a double-effect solar heat exchanger is used, the advantage of large area of the solar heat exchanger is utilized, a method of intelligently comparing temperature and water level and intelligently identifying and utilizing different heat sources is adopted, when sunlight is sufficient, finished hot water heat energy is directly provided, and when the sunlight is insufficient or no sunlight, the temperature of the water source is improved through an integrated forced ventilation heat exchange system, so that a continuous heat source is provided for the water source heat pump. The invention effectively solves the problem that the traditional water source heat pump cannot be used when no large-area clean water source exists or the water source cannot continuously provide heat energy, and simultaneously solves the problem that the medium-grade solar energy cannot be used when the water temperature cannot be heated to meet the requirements of users, thereby causing resource waste.
The technical scheme adopted by the invention is as follows:
the invention provides a self-sufficient water source heat pump hot water energy-saving system and an intelligent control method, wherein the intelligent control method comprises the following steps: including heat pump heating module, double-effect solar energy heat absorption module, middle water source module and intelligence accuse method, heat pump heating module comprises compressor 20, water-cooled condenser 21, regenerator 3, choke valve 4, water source evaporimeter 19, double-effect solar energy heat absorption module comprises solar collector 10, heat transfer copper pipe 26, thermal-arrest heat transfer fin 27, exhaust fan 12, exhaust manifold 13, middle water source module is by middle water tank 6, feed pump I7, reverse valve I8, moisturizing ball-cock assembly 18 are constituteed, the intelligence accuse method, when the hot water temperature of temperature sensor II24 survey is less than the setting value, hot water circulating pump 1 closes, and heat pump heating module starts, and the heat source of water source heat pump is preferred to be taken from the water source of storing in middle water tank 6 this moment, when the water source temperature of temperature sensor III28 survey is less than the temperature of air temperature sensor 29 survey, feed pump I7 starts, the exhaust fan 12 is started, the electromagnetic valve I16 is closed, the electromagnetic valve II17 is opened, the middle water tank and the double-effect solar heat absorption module form a water source large circulation, and at the moment, the heat pump heating module absorbs middle-grade solar energy and heat energy in air.
The secondary side of the water-cooled condenser 21 is communicated with a hot water tank 22 through a cooling water pump 2, the hot water tank is provided with a temperature sensor II24 and a liquid level sensor 25, and a water inlet regulating valve 23 and a temperature sensor III11 are arranged on a water inlet pipeline of the hot water tank.
When the exhaust fan 12 is started, outdoor air enters from the air inlet B of the solar heat collector 10, fully exchanges heat with the heat exchange copper pipe 26 and the heat collection heat exchange fins 27, is collected by the exhaust branch pipes 14, enters the exhaust main pipe 13, and is exhausted, and the air temperature sensor 29 and the air filter 30 are installed at the air inlet.
The secondary side of the water source evaporator 19 is communicated with the intermediate water tank 6 through a refrigeration pump 5, and the intermediate water tank is provided with a temperature sensor III28 and a water replenishing ball float valve 18.
The water outlet end of the double-effect solar heat absorption module is respectively provided with a temperature sensor I15, a solenoid valve I16 and a solenoid valve II17, the solenoid valve I16 controls the connection and disconnection of the hot water pipeline from the double-effect solar heat absorption module to the hot water tank 22, and the solenoid valve II17 controls the connection and disconnection of the hot water pipeline from the double-effect solar heat absorption module to the middle water tank 6.
The water inlet end of the double-effect solar heat absorption module is respectively communicated with the middle water tank 6 and the hot water tank 22 through pipelines, a water feeding pump I7 and a reverse valve I8 are installed on the pipeline connecting the double-effect solar heat absorption module and the middle water tank 6, and a reverse valve II9 and a hot water circulating pump 1 are installed on the pipeline connecting the double-effect solar heat absorption module and the hot water tank 22.
the refrigerant gas is compressed by the compressor 20 and then changed into high-pressure steam, enters the water-cooled condenser 21 to be condensed into liquid, is further cooled by the heat regenerator 3, then enters the throttle valve 4 to be throttled and depressurized, then enters the water source evaporator 19 to absorb heat and evaporate to become low-temperature gas, enters the heat regenerator 3 to further absorb heat, and then is sent to the compressor 20 to be compressed, so that the working cycle is continuously carried out.
the invention has the beneficial effects that: the invention provides a self-sufficient water source heat pump hot water energy-saving system and an intelligent control method, wherein a circulating water source of a water source heat pump is provided through an intermediate water tank, the circulating water source of the water source heat pump is provided through the intermediate water tank, a double-effect solar heat exchanger is used, the advantage of large area of the solar heat collecting heat exchanger is utilized, a method of intelligently comparing temperature and water level and intelligently identifying and utilizing different heat sources is adopted, when sunlight is sufficient, finished hot water heat energy is directly provided, and when the sunlight is insufficient or no sunlight, the temperature of the water source is improved through an integrated forced ventilation heat exchange system, so that a continuous heat source is provided for the water source heat. The invention effectively solves the problem that the traditional water source heat pump cannot be used when no large-area clean water source exists or the water source cannot continuously provide heat energy, and simultaneously solves the problem that the medium-grade solar energy cannot be used when the water temperature cannot be heated to meet the requirements of users, thereby causing resource waste. Can be widely applied to the field of hot water energy conservation.
drawings
Fig. 1 is a schematic diagram of a self-contained water source heat pump hot water energy saving system and an intelligent control method according to an embodiment of the invention; in the figure:
The system comprises a hot water circulating pump (1), a cooling water pump (2), a heat regenerator (3), a throttle valve (4), a freezing pump (5), an intermediate water tank (6), a water feeding pump I (7), a reverse valve I (8), a reverse valve II (9), a solar heat collector (10), an exhaust fan (12), an exhaust manifold (13), an exhaust branch pipe (14), a temperature sensor I (15), an electromagnetic valve I (16), an electromagnetic valve II (17), a water replenishing ball float valve (18), a water source evaporator (19), a compressor (20), a water-cooled condenser (21), a water inlet adjusting valve (23), a temperature sensor II (24), a liquid level sensor (25), a heat collecting and heat exchanging fin (27), a temperature sensor III (28), an air temperature sensor (29) and an air filter (30).
Detailed Description
As shown in fig. 1, the embodiment of a self-contained water source heat pump hot water energy saving system and an intelligent control method thereof includes the following specific implementation manners:
the working process of the water source heat pump is as follows: refrigerant gas enters the primary side of a water-cooled condenser 21 to be fully released and condensed to generate liquid refrigerant, the liquid refrigerant enters a heat regenerator 3, the liquid refrigerant exchanges heat with low-temperature refrigerant gas evaporated by an evaporator in the heat regenerator 3 and is further cooled, the liquid refrigerant is throttled and reduced in pressure by a throttle valve 4 and then enters a water source evaporator 19, the liquid refrigerant is fully absorbed and evaporated in the water source evaporator 19 to generate gas, the gas enters the heat regenerator 3 to be preheated and heated and then is compressed by a compressor 20, the compressed high-temperature high-pressure gas enters the water-cooled condenser 21 to be condensed and released, and the circulation is carried out continuously, and in the process, a water source in an intermediate water tank 6 enters the secondary side of the water source evaporator 19 through a refrigerating pump 5 to release heat. Hot water is pumped from the hot water tank 22 to the secondary side of the water-cooled condenser 21 by the cooling water pump (2) to fully absorb the condensation heat of the refrigeration working medium, and the temperature is continuously heated to the temperature of hot water required by a user, and the working process can provide domestic hot water at 50-55 ℃.
The heating and water inlet working process of the hot water tank is as follows:
1) And a water inlet process of the hot water tank: a user sets corresponding liquid level heights at different time periods, at the moment, the liquid level sensor 25 corresponds to a pressure signal, the pressure signal is converted into a switch signal through the signal conversion module to control the opening and closing of the water inlet adjusting valve 23, when the liquid level does not reach a set target value within the set time, the water inlet adjusting valve 23 at the position A is opened to start water inlet, meanwhile, the water source heat pump module starts to start, at the moment, the opening degree of the water inlet adjusting valve 23 is determined by the temperature sensor III11, and the inlet water enters the hot water tank 22 after being heated;
2) And a hot water tank heating process:
The hot water tank heating process is divided into four processes of water inlet heating, heat pump circulating heating, solar direct heating and solar circulating heating, and the four processes are as follows:
firstly, inlet water heating: as described in the water inlet process, the water source heat pump starts heating while water enters;
secondly, heat pump circulation heating: when the temperature sensor II24 detects that the water temperature is lower than the set value and the liquid level meets the set value, the water source heat pump starts to work, hot water is pumped from the hot water tank 22 to the secondary side of the water-cooled condenser 21 through the cooling water pump 2 to fully absorb the condensation heat of the refrigeration working medium, and the temperature is raised until the water temperature of the finished product water in the hot water tank is reached;
thirdly, direct solar heating: when the hot water tank 22 does not reach the full water level, the water source in the intermediate water tank 6 supplies water to the solar thermal collector through the water supply pump I7, and after the water supply is finished, (when the temperatures measured by the temperature sensor III28 and the temperature sensor I15 are equal, the water supply is finished, the water supply pump I7 stops at the moment, and the backflow is prevented by the backflow check valve I8, so that the full water level of the solar thermal collector is ensured). When the temperature sensor I15 detects that the water temperature reaches a set value, the electromagnetic valve II17 is closed, the electromagnetic valve I16 is opened, and finished hot water enters the hot water tank;
Fourthly, solar energy circulation heating: when the liquid level meets a set value and the temperature difference measured by the temperature sensor I15 and the temperature sensor II24 is larger than or equal to 2 ℃, the hot water circulating pump 1 starts at the moment, the electromagnetic valve II17 is closed, the water feed pump I7 stops, the electromagnetic valve I16 is opened, hot water in the solar thermal collector enters the hot water tank, the water supplemented by the solar thermal collector is supplemented by a water source in the hot water tank 22 at the moment, and the hot water in the hot water tank and the solar thermal collector 10 are heated in a circulating mode, so that the overflow condition of the hot water tank is avoided.
The middle water tank heating and water inlet working process comprises the following steps:
1) And the water inlet working process: the water level of the middle water tank 6 is automatically supplemented by a water supplementing ball float valve 18 connected with a tap water pipe;
2) And the heating working process of the middle water tank: the water feed pump I7 starts, and hot water circulating pump 1 closes, and the water source in the middle water tank 6 gets into the heat transfer copper pipe 26 in the solar collector 10, when the temperature that temperature sensor III28 surveyed equals the temperature that temperature sensor I15 surveyed, explains that the water source has filled the solar collector, and water feed pump I7 stops, because the valve I8 prevents the water refluence that the water source is encapsulated and is heated in the solar collector this moment, and the specific heating is gone on according to following strategy:
Firstly, when the temperature measured by a temperature sensor I15 reaches a target value set by finished hot water within a set time T1, indicating that sunlight has stronger heating capacity, then an electromagnetic valve I16 is opened, an electromagnetic valve II17 is closed, a water feed pump I7 is started, the finished hot water in a solar thermal collector is squeezed into a hot water tank 22, until the temperature measured by the temperature sensor I15 is equal to that measured by a temperature sensor III28, the water feed pump I7 stops running, indicating that the hot water is completely squeezed into the hot water tank, meanwhile, the water in an intermediate water tank is filled in the solar thermal collector, and the circulation is continued, when the temperature measured by the temperature sensor I15 does not reach the target value set by the finished hot water within the set time T1, and the temperature difference T measured by the temperature sensor I15 and the temperature sensor III28 is not less than or equal to 2 ℃, indicating that the sunlight is not strong but still has heating capacity, then the electromagnetic valve I16 is closed, the electromagnetic valve II, the water feed pump I7 is started, the water source heated in the solar heat collector is squeezed into the intermediate water tank 6, until the temperature measured by the temperature sensor III28 is equal to the temperature measured by the temperature sensor I15, the water feed pump I7 is stopped, and the circulation is continued;
And secondly, in any time period, as long as the temperature measured by the temperature sensor III28 is less than the temperature measured by the air temperature sensor 29, the situation shows that the heat energy provided by the solar energy cannot be used satisfactorily, the water source heat pump is started, at the moment, the exhaust fan 12 is started, air enters from the air inlet B of the solar heat collector 10, is filtered by the air filter 30, and then fully exchanges heat with the heat collecting and exchanging fins 27 and the heat exchanging copper pipe 26 to absorb the heat in the air and heat the water source of the continuously cooled intermediate water tank, so that the advantage of large heat exchanging area of the solar heat collecting plate is utilized to continuously provide the heat energy of the heat source of the water source heat.
The invention discloses a self-sufficient water source heat pump hot water energy-saving system and an intelligent control method.A circulating water source of a water source heat pump is provided through an intermediate water tank, a double-effect solar heat exchanger is used, the advantage of large area of the solar heat collecting heat exchanger is utilized, the temperature and the water level are intelligently compared, and different heat sources are intelligently identified and utilized. The invention effectively solves the problem that the traditional water source heat pump cannot be used when no large-area clean water source exists or the water source cannot continuously provide heat energy, and simultaneously solves the problem that the medium-grade solar energy cannot be used when the water temperature cannot be heated to meet the requirements of users, thereby causing resource waste. Can be widely applied to the field of hot water energy conservation.
The above description is not intended to limit the present invention, and the present invention is not limited to the above embodiments, and any changes, modifications, additions or substitutions that can achieve the technical effects of the present invention and are within the scope of the present invention should be considered as falling within the spirit of the present invention.
Claims (7)
1. A self-sufficient water source heat pump hot water energy-saving system and an intelligent control method thereof are characterized in that: including heat pump heating module, double-effect solar energy heat absorption module, middle water source module and intelligence accuse method, heat pump heating module comprises compressor (20), water-cooled condenser (21), regenerator (3), choke valve (4), water source evaporator (19), double-effect solar energy heat absorption module comprises solar collector (10), heat transfer copper pipe (26) thermal-arrest heat transfer fin (27), exhaust fan (12), exhaust manifold (13), middle water source module comprises middle water tank (6), water-feeding pump I (7), contrary valve I (8), moisturizing ball-cock assembly (18), intelligence accuse method, wherein when the hot water temperature of temperature sensor II (24) survey is less than the setting value, hot water circulating pump (1) is closed, and heat pump heating module starts, and the heat source is preferred to be got from the water source of storing in middle water tank (6) this moment, when the water source temperature measured by the temperature sensor III (28) is lower than the temperature measured by the air temperature sensor (29), the water supply pump I (7) is started, the exhaust fan (12) is started, the electromagnetic valve I (16) is closed, the electromagnetic valve II (17) is opened, the middle water tank and the double-effect solar heat absorption module form a water source large circulation, and at the moment, the heat pump heating module absorbs the medium-grade solar energy and the heat energy in the air.
2. the self-contained water source heat pump hot water energy saving system and the intelligent control method thereof as claimed in claim 1, wherein: the secondary side of the water-cooled condenser (21) is communicated with a hot water tank (22) through a cooling water pump (2), the hot water tank is provided with a temperature sensor II (24) and a liquid level sensor (25), and a water inlet regulating valve (23) and a temperature sensor III (11) are arranged on a water inlet pipeline of the hot water tank.
3. the self-contained water source heat pump hot water energy saving system and the intelligent control method thereof as claimed in claim 1, wherein: when the exhaust fan (12) is started, outdoor air enters from an air inlet B of the solar heat collector (10), fully exchanges heat with the heat exchange copper pipe (26) and the heat collection heat exchange fins (27), enters the exhaust main pipe (13) through the exhaust branch pipe (14) and is then discharged, and an air temperature sensor (29) and an air filter (30) are installed at the air inlet.
4. The self-contained water source heat pump hot water energy saving system and the intelligent control method thereof as claimed in claim 1, wherein: the secondary side of the water source evaporator (19) is communicated with an intermediate water tank (6) through a freezing pump (5), and the intermediate water tank is provided with a temperature sensor III (28) and a water replenishing ball float valve (18).
5. The self-contained water source heat pump hot water energy saving system and the intelligent control method thereof as claimed in claim 1, wherein: the water outlet end of the double-effect solar heat absorption module is respectively provided with a temperature sensor I (15), an electromagnetic valve I (16) and an electromagnetic valve II (17), the electromagnetic valve I (16) controls the opening and the disconnection of the hot water pipeline from the double-effect solar heat absorption module to the hot water tank (22), and the electromagnetic valve II (17) controls the opening and the disconnection of the hot water pipeline from the double-effect solar heat absorption module to the middle water tank (6).
6. the self-contained water source heat pump hot water energy saving system and the intelligent control method thereof as claimed in claim 1, wherein: the water inlet end of the double-effect solar heat absorption module is communicated with the middle water tank (6) and the hot water tank (22) through pipelines respectively, a water feeding pump I (7) and a reverse valve I (8) are installed on the pipeline connecting the double-effect solar heat absorption module and the middle water tank (6), and a reverse valve II (9) and a hot water circulating pump (1) are installed on the pipeline connecting the double-effect solar heat absorption module and the hot water tank (22).
7. The self-contained water source heat pump hot water energy saving system of claim 1, wherein: the refrigeration working medium gas is compressed by the compressor (20) and then changed into high-pressure steam, enters the water-cooled condenser (21) to be condensed into liquid, is further cooled by the heat regenerator (3), then enters the throttle valve (4) to be throttled and depressurized, then enters the water source evaporator (19) to absorb heat and evaporate into low-temperature gas, enters the heat regenerator (3) to further absorb heat, and then is sent to the compressor (20) to be compressed, so that the working cycle is continuously carried out.
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| CN201246923Y (en) * | 2008-07-29 | 2009-05-27 | 东南大学 | Heat pump system evaporator and solar photovoltaic heat collectors composite heat source apparatus |
| CN202648133U (en) * | 2012-05-25 | 2013-01-02 | 浙江和盛节能科技有限公司 | Air energy and solar energy superposed heat supply device for water source heat pump |
| CN103411318A (en) * | 2013-07-11 | 2013-11-27 | 广西比迪光电科技工程有限责任公司 | Water source heat pump water heater collecting heat from solar energy and air energy |
| US20180003414A1 (en) * | 2015-03-17 | 2018-01-04 | HUANG, Guohe | All-weather solar water source heat pump air conditioning system |
| CN211400341U (en) * | 2019-10-17 | 2020-09-01 | 珠海冰恬环境科技有限公司 | Self-sufficient water source heat pump hot water energy-saving system |
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| CN110553409B (en) | 2024-03-29 |
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