CN105157273A - Family type heat pump system with combined application of solar energy and soil source - Google Patents
Family type heat pump system with combined application of solar energy and soil source Download PDFInfo
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- CN105157273A CN105157273A CN201510548243.3A CN201510548243A CN105157273A CN 105157273 A CN105157273 A CN 105157273A CN 201510548243 A CN201510548243 A CN 201510548243A CN 105157273 A CN105157273 A CN 105157273A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Abstract
The invention provides a family type heat pump system with combined application of solar energy and a soil source. The system mainly comprises a compressor and an indoor heat exchange unit, a solar heat collection and hot water heat storage unit, and a soil source heat exchange unit. The solar heat collection and hot water heat storage unit and the soil source heat exchange unit are serially connected with the compressor and the indoor heat exchange unit after being connected in parallel through an electromagnetic three-way reversing valve. The compressor and the indoor heat exchange unit, the solar heat collection and hot water heat storage unit and the soil source heat exchange unit are integrated to form the heat pump circulating system, wherein the solar heat collection and hot water heat storage unit and the soil source heat exchange unit directly serve as evaporators or condensers in the heat pump system; no middle heat exchange equipment is arranged; the whole system circulating power is provided by heat pressure generated by working medium temperature differences in the compressor and the system; the system is simple; the middle heat exchange loss is reduced; and the energy conservation is efficient.
Description
Technical field
The present invention relates to indoor heating and air-conditioning technical field, particularly relate to the family formula heat pump of a kind of solar energy and soil source use in conjunction.
Background technology
Nowadays, the fossil fuels such as colliery, oil, natural gas excessively use a large amount of exploitation, cause serious energy scarcity, and the nowadays burning of these energy and utilization can make environmental pollution more and more serious, time this energy finally has and uses up, this phenomenon can cause serious threat to our human survival, so, renewable energy utilization should get up by we, such as solar energy, the soil energy, wind energy etc.
Because solar energy is comparatively large by the impact of intensity of solar radiation, when intensity of solar radiation is more weak, the cloudy day or night time, solar energy can not be then indoor heating absorption heat, and single solar energy is restricted at this, can not use.And single geothermal heat pump air-conditioning system absorbs heat, summer by heat dissipation in soil winter from soil, amount absorbs or discharge imbalance like this, with this back and forth for many years, can make effect worse and worse.Other single application also have deficiency like this.
Therefore, heat pump solar energy and underground heat be combined with each other just overcomes above deficiency, patent CN204187754U discloses a kind of solar heat pump and earth source heat pump combined air conditioning system, patent CN201510175434 discloses a kind of soil source solar heat pump warmhouse booth heating system and control method, disclosed in these two patents, heat pump is applicable to large-scale heat pump application place, its systemic circulation all alternately carries out heat exchange with the evaporimeter in heat pump or condenser by solar energy and geothermal energy, is not directly as evaporimeter or the condenser of heat pump.
Disclosed in above-mentioned two existing patents, the shortcoming of system is: need one other fluid to carry energy and solar energy or geothermal energy and carry out heat exchange, and the fluid flowing of carrying energy needs to provide independent circulation power with pump, system architecture can be made so complicated, increase intermediate heat transfer equipment, heat exchange efficiency reduces.
Summary of the invention
The embodiment provides the family formula heat pump of a kind of solar energy and soil source use in conjunction, to realize effectively solar heating and geothermal heating system being be combined with each other, directly using solar energy heat collection equipment and underground heat heat transmission equipment as the evaporimeter of heat pump circulating system or condenser, the hot pressing that heat pump cycle power compressor or system self produce is born.
To achieve these goals, this invention takes following technical scheme.
A family formula heat pump for solar energy and soil source use in conjunction, comprising: compressor and indoor heat exchange unit, solar energy heating and hot water heat storage units, soil source heat exchange unit; Be connected in series with compressor and indoor heat exchange unit after described soil source heat exchange unit, solar energy heating and hot water heat storage units are connected in parallel, each connected node is all the connection of employing T-way change-over solenoid valve.
Preferably, described compressor and indoor heat exchange unit comprise: compressor, four-way change-over valve, indoor heat exchanger, throttling arrangement, the first T-way change-over solenoid valve and the second T-way change-over solenoid valve, the turnover of described compressor is connected with a road exit port of described four-way change-over valve, another road exit port of described four-way change-over valve is connected with one end of described indoor heat exchanger, described second T-way change-over solenoid valve respectively, and the other end of described indoor heat exchanger is connected with described throttling arrangement, described first T-way change-over solenoid valve successively.
Preferably, described solar thermal collector and described heat storage water tank are connected in parallel.
Preferably, described solar thermal collector comprises evaporating heat exchanger, incubator frame, incubator backboard, heat absorbing fins, temperature signal probe, transparent cover plate.
Preferably, described solar energy heating and hot water heat storage units comprise solar thermal collector, heat storage water tank, the 3rd T-way change-over solenoid valve and the 4th T-way change-over solenoid valve, and the two ends of described solar thermal collector, described heat storage water tank are connected with described 3rd T-way change-over solenoid valve, described 4th three-way diverter valve all respectively.
Preferably, described soil source heat exchange unit comprises: soil buried tube heat exchanger, and the two ends of described soil buried tube heat exchanger are connected with described first T-way change-over solenoid valve, described second T-way change-over solenoid valve respectively.
Preferably, described indoor heat exchanger is fan coil, radiator or flooring radiation heat exchanger.
Preferably, multiple described fan coil, radiator or flooring radiation heat exchanger are connected in parallel.
The technical scheme provided as can be seen from the embodiment of the invention described above, the embodiment of the present invention is by integrating compressor and indoor heat exchange unit, solar energy heating and hot water heat storage units, soil source heat exchange unit, solar energy heating and hot water heat storage units and soil source heat exchange unit are directly as the evaporimeter in heat pump or condenser, the hot pressing function utilizing compressor power and system itself to produce makes working medium constantly circulate, reduce intermediate heat transfer equipment, system is simplified and improves heat exchange efficiency.
The aspect that the present invention adds and advantage will part provide in the following description, and these will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the flow process and structural representation in winter of the family formula heat pump of a kind of solar energy of providing of the embodiment of the present invention and soil source use in conjunction;
Fig. 2 is the flow process and structural representation in summer of the family formula heat pump of a kind of solar energy of providing of the embodiment of the present invention and soil source use in conjunction;
Fig. 3 is the flow process and structural representation in summer of the family formula heat pump of a kind of solar energy of providing of the embodiment of the present invention and soil source use in conjunction;
Fig. 4 is the structural representation of a kind of solar thermal collector that the embodiment of the present invention provides.
Wherein, 1 is refrigeration compressor, and 2 is four-way change-over valves, and 3 is indoor heat exchangers; 4 is electric expansion valves, and 5 is first T-way change-over solenoid valves, and 6 is soil buried tube heat exchangers, 7 is second T-way change-over solenoid valves, 8 is the 3rd T-way change-over solenoid valves, and 9 is solar thermal collectors, and 10 is the 4th T-way change-over solenoid valves, 11 is heat storage water tanks, 101 is evaporating heat exchangers, and 102 is incubator frames, and 103 is incubator backboards, 104 is heat absorbing fins, 105 is temperature signal probes, 106 is transparent cover plates.
Detailed description of the invention
Be described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Those skilled in the art of the present technique are appreciated that unless expressly stated, and singulative used herein " ", " one ", " described " and " being somebody's turn to do " also can comprise plural form.Should be further understood that, the wording used in description of the present invention " comprises " and refers to there is described feature, integer, step, operation, element and/or assembly, but does not get rid of and exist or add other features one or more, integer, step, operation, element, assembly and/or their group.Should be appreciated that, when we claim element to be " connected " or " coupling " to another element time, it can be directly connected or coupled to other elements, or also can there is intermediary element.In addition, " connection " used herein or " coupling " can comprise wireless connections or couple.Wording "and/or" used herein comprises one or more arbitrary unit listing item be associated and all combinations.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, and all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
For ease of the understanding to the embodiment of the present invention, be further explained explanation below in conjunction with accompanying drawing for several specific embodiment, and each embodiment does not form the restriction to the embodiment of the present invention.
In the application of low profile thermal pumping system, the such as application of family formula heat pump, solar energy and ground thermal can be utilized, do not establish intermediate heat transfer device, directly using solar heat-exchange equipment and underground heat heat transmission equipment as the evaporimeter of heat pump circulating system or condenser, the hot pressing that heat pump cycle power compressor or system self produce is born, and system can be made to simplify, reduce intermediate heat transfer loss, realize energy-efficient.
Embodiments provide the family formula heat pump of a kind of solar energy and soil source use in conjunction, this system reasonable coordination utilizes solar energy and soil source, learns from other's strong points to offset one's weaknesses, suitably regulates.The embodiment of the present invention does not relate to water pump or solution pump, the hot pressing function that the power of heat pump cycle produces from compressor and the cycle fluid temperature difference, circulated in systems in which by a kind of cold-producing medium, can realize winter utilizing soil or solar energy heat-obtaining, user side is made to realize the object of heating, can realize summer utilizing soil or heat storage water tank heat radiation, make the object that user side freezes.This circulation utilizes solar energy heating can avoid from underground long-term excessively heat-obtaining winter, soil source is made to have time enough to go to recover the thermal balance of underground, utilize soil source it also avoid solar thermal collector cloudy day or night time can not absorb heat and cause empty calory circulation problem, heat storage water tank is utilized summer to dispel the heat or soil heat exchanger heat radiation, guarantee system reliability service every day, there is provided certain domestic hot-water, system is simple, energy-efficient simultaneously.
Detailed description of the invention:
Operation principle of the present invention and system flow is described in further detail below in conjunction with drawings and Examples.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the embodiment of the present invention comprises the heat pump that family formula solar energy is combined with soil source, and this system comprises: compressor and indoor heat exchange unit, solar energy heating and hot water heat storage units, soil source heat exchange unit.
Compressor and indoor heat exchange unit, comprise compressor 1, four-way change-over valve 2, indoor heat exchanger 3, throttling arrangement 4, first T-way change-over solenoid valve 5, second T-way change-over solenoid valve 7 and the pipeline being connected these equipment.The import and export of compressor 1 are connected with a road exit port of four-way change-over valve 2, another road exit port of four-way change-over valve 2 is connected with one end of indoor heat exchanger 3, the second T-way change-over solenoid valve 7 (I end) respectively, and the other end of indoor heat exchanger 3 is connected with throttling arrangement 4, first T-way change-over solenoid valve 5 (I end) successively.Described indoor heat exchanger 3 can be fan coil or radiator or flooring radiation pipe, and described fan coil, radiator and flooring radiation heat exchanger tube can parallel multiplexes.
Solar energy heating and hot water heat storage units comprise solar thermal collector 9, heat storage water tank 11, the 3rd T-way change-over solenoid valve 8 and the 4th T-way change-over solenoid valve 10; Wherein solar thermal collector 9 comprises evaporating heat exchanger 101, incubator frame 102, incubator backboard 103, heat absorbing fins 104, temperature signal probe 105 and transparent cover plate 106.
Solar thermal collector 9 outlet is connected with the 4th T-way change-over solenoid valve 10 (I end); Solar thermal collector 9 import is connected with the 3rd T-way change-over solenoid valve 8 (II end); 4th T-way change-over solenoid valve 10 (III end) connects heat storage water tank 11 import, and the outlet of heat storage water tank 11 connects the 3rd T-way change-over solenoid valve 8 (III end); Such solar thermal collector 9 and heat storage water tank 11 formation are connected in parallel.4th T-way change-over solenoid valve 10 (II end) connects the second T-way change-over solenoid valve 7 (III end); 3rd T-way change-over solenoid valve 10 (I end) connects the first T-way change-over solenoid valve 5 (II end).
Soil source heat exchange unit comprises soil buried tube heat exchanger 6.The outlet of soil buried tube heat exchanger 6 is connected with the second T-way change-over solenoid valve 7 (II end), and the import of soil buried tube heat exchanger 6 is connected with the first T-way change-over solenoid valve 5 (III end).
After described solar energy heating and hot water heat storage units and soil source heat exchange unit are connected in parallel by T-way change-over solenoid valve and compressor and indoor heat exchange unit to be connected in series the family formula heat pump of integrated a kind of solar energy and soil source use in conjunction.
The family formula heat pump of described solar energy and soil source use in conjunction, its mode of operation in the winter time, summer, conditioning in Transition Season be different, in the course of work and system, refrigerant flow direction is also different, and the difference in conjunction with winter, summer and conditioning in Transition Season mode of operation is carried out analysis to the course of work and principle and described:
Winter, systemic circulation was as accompanying drawing 1, and in indoor heat exchanger 3, Temperature of Working is higher than room temperature, can perform following (a), (b) and (c) three kinds of circulation patterns at this moment according to the radiation intensity of solar energy:
Pattern (a): solar energy heating is the heat pump heating pattern of low-temperature heat source, and this duty cycle mode is applicable to the moment of solar radiation moderate strength.The temperature exported when the temperature signal probe 105 of solar thermal collector is between the default high temperature of this heating mode and low temperature, temperature signal probe 105 sends signal, connect the first T-way change-over solenoid valve 5 (I → II), the second T-way change-over solenoid valve 7 (III → I), the 3rd T-way change-over solenoid valve 8 (I → II), the 4th T-way change-over solenoid valve 10 (I → II), heat pump cycle is now that the evaporating heat exchanger 101 in solar thermal collector 9 directly circulates as the heat pump heating of evaporator with heat pump.
The flow process of this circulation is: gas-liquid mixed working medium becomes cryogenic overheating gaseous state after entering and absorbing solar heat in the evaporating heat exchanger 101 in solar thermal collector 9, then the 4th T-way change-over solenoid valve 10 (I → II) is flowed through, second T-way change-over solenoid valve 7 (III → I), four-way change-over valve 2, enter compressor 1 to be compressed, the overheated gaseous working medium of HTHP is become after compression, this overheated gaseous working medium flows through and to flow into after four-way change-over valve 2 in indoor heat exchanger 3 with room air heat exchange for indoor heating, overheated gaseous working medium is condensed into the gas-liquid two-phase working medium becoming low-temp low-pressure after then liquid refrigerant flows through throttling arrangement 4 after indoor heat exchanger 3 heat exchange, flow through the first T-way change-over solenoid valve 5 (I → II) again, 3rd T-way change-over solenoid valve 8 (I → II) enters the once circulation completing working medium in the evaporating heat exchanger 101 of solar thermal collector 9, so constantly circulation, realize working medium after solar thermal collector heat absorption, become high temperature after compression, realized the object of continuous heating to indoor heat release by indoor heat exchanger.
Pattern (b): the pattern that soil source heat pump walks abreast for warm solar energy heating heat supply, i.e. heating+heat supply, this duty cycle mode is applicable to the solar radiation intensity large moment.Now fine or intensity of solar radiation is larger, when the temperature upper limit that the temperature that the temperature signal probe 105 of solar thermal collector exports is preset higher than heating mode, temperature signal probe 105 sends signal, connects the first T-way change-over solenoid valve 5 (I → III), the second T-way change-over solenoid valve 7 (II → I), the 3rd T-way change-over solenoid valve 8 (III → II) and the 4th T-way change-over solenoid valve 10 (I → III).The now circulation of system is two and independently circulates, and one to be soil buried tube heat exchanger 6 circulate as the heat pump heating of evaporator with heat pump, and another is that solar thermal collector 9 is as the heating cycle of thermal source to circulating water heating in heat storage water tank 11.
Soil buried tube heat exchanger 6 circulates as the heat pump heating of evaporator with heat pump, this circulation replaces with soil buried tube heat exchanger 6 circulation that in the solar thermal collector 9 in pattern (a), evaporating heat exchanger 101 carries out, concrete flow process is: gas-liquid mixed working medium became hot gaseous absorb the low-temperature heat quantity in soil in soil buried tube heat exchanger 6 after, gaseous working medium flows through the second T-way change-over solenoid valve 7 (II → I), four-way change-over valve 2, enter compressor 1 to be compressed, the overheated gaseous working medium of HTHP is become after compression, flow through four-way change-over valve 2 again to flow in indoor heat exchanger 3 with room air heat exchange for indoor heating, the gas-liquid two-phase working medium becoming low-temp low-pressure after liquid refrigerant flows through throttling arrangement 4 is condensed into after indoor heat exchanger 3 heat exchange, flow through the first T-way change-over solenoid valve 5 (I → III), enter soil buried tube heat exchanger 6, so just complete the once circulation of working medium, so constantly circulation, realize after working medium absorbs low-temperature heat source from soil, compressedly become high temperature, realized the object of continuous heating to indoor heat release by indoor heat exchanger.
Solar thermal collector 9 as thermal source in the heating cycle of circulating water heating in heat storage water tank 11, the mobilization dynamic of working medium is the hot pressing by producing because temperature is different in circulation line, its flow process is after the evaporating heat exchanger 101 that enters in solar thermal collector 9 of low temperature liquid working medium, absorb solar energy and be evaporated to the higher overheated gas of temperature, flow through the 4th T-way change-over solenoid valve 10 (I → III) again and enter heat storage water tank 11, be condensed into liquid refrigerant carry out heat exchange with low-temperature circulating water in heat storage water tank 11 after to flow out, the evaporating heat exchanger 101 in solar thermal collector 9 is entered after flowing through the 3rd T-way change-over solenoid valve 8 (III → II) again, so constantly circulation, realize working medium from solar thermal collector 9, absorb the heat supply object that solar energy heats recirculated water in heat storage water tank 11.
Pattern (c): the pattern of soil source heat pump heating, this duty cycle mode is not for having the sun cloudy day or obtaining the moment at night.When the lowest temperature that the temperature that the temperature signal probe 105 of solar thermal collector exports is preset lower than heating mode, temperature signal probe 105 sends signal, connect the first T-way change-over solenoid valve 5 (I → III), second T-way change-over solenoid valve 7 (II → I), 4th T-way change-over solenoid valve 10 (I → III), 3rd T-way change-over solenoid valve 8 (III → II), the now circulation of system comprises two and independently circulates, one to be soil buried tube heat exchanger 6 circulate as the heat pump heating of evaporator with heat pump, another is the antifreeze circulation of working medium between solar thermal collector 9 and heat storage water tank 11.
During soil buried tube heat exchanger 6 circulates as the heat pump heating of evaporator with heat pump as the soil buried tube heat exchanger 6 in the flow process of working medium in the heat pump heating circulation of evaporator with heat pump and pattern (b), the flow process of working medium is completely the same.
Solar thermal collector 9 in the antifreeze circulation of working medium between solar thermal collector 9 and heat storage water tank 11 in the flow process of working medium and pattern (b) is completely the same to the flow process of engineering in the heating cycle of circulating water heating in heat storage water tank 11 as thermal source, just because the temperature difference of working medium in pipeline is less, the hot pressing produced in circulation line is less, working fluid slowly flows in the duct, can not heat the recirculated water in circulation heat storage water tank 11, flowing can only prevent working medium from freezing in the duct.
Summer, systemic circulation was as accompanying drawing 2, and the Temperature of Working of indoor heat exchanger 3, lower than room temperature, can perform following (d) and (e) two kinds of circulation patterns according to the radiation intensity of solar energy at this moment:
Pattern (d): the pattern that soil source refrigeration and solar energy heating heat supply walk abreast, i.e. refrigeration+heat supply, this duty cycle mode is applicable to the moment that summer day has sunlight.When the temperature that the temperature signal probe 105 of solar thermal collector exports is higher than this pattern preset temperature, temperature signal probe 105 sends signal, connects the first logical T-way change-over solenoid valve 5 (III → I), the second T-way change-over solenoid valve 7 (I → II), the 3rd T-way change-over solenoid valve 10 (I → III), the 4th T-way change-over solenoid valve 11 (III → II).The now circulation of system is two and independently circulates, and one is the kind of refrigeration cycle of soil buried tube heat exchanger 6 as refrigerant system condenser, and another is that solar thermal collector 9 is as the heating cycle of thermal source to circulating water heating in heat storage water tank 11.
Soil buried tube heat exchanger 6 is as the kind of refrigeration cycle of refrigerant system condenser, its flow process is: from compressor 1 compress after HTHP superheated vapor working medium in soil buried tube heat exchanger 6 heat release in soil after be condensed into liquid refrigerant, liquid refrigerant enters throttling arrangement 4 after flowing through the first T-way change-over solenoid valve 5 (III → I), change the gas-liquid mixed working medium of low-temp low-pressure into, when entering the waste heat after indoor heat exchanger 3 in absorption chamber, freezed in indoor, working medium is evaporated to superheated vapor by gas-liquid mixed working medium after indoor heat exchanger 3, compressor 1 import is entered after flowing through four-way change-over valve 2, the overheated gas of HTHP is compressed in compressor 1, this overheated gas flows through four-way change-over valve 2 more successively, second solenoid directional control valve 7 (I → II), the once circulation of working medium is completed after entering soil buried tube heat exchanger 6, circulate and so forth, realize after working medium absorbs low-temperature heat source indoor, compressedly become high temperature, by soil buried tube heat exchanger to the object of soil heat release realization to indoor refrigeration.
Solar thermal collector 9 is as the heating cycle of thermal source to circulating water heating in heat storage water tank 11, completely the same to the heating cycle of circulating water heating in heat storage water tank 11 as thermal source with the solar thermal collector 9 in pattern (b).
Pattern (e): heat storage water tank 11 is as the pattern of the kind of refrigeration cycle of refrigerant system condenser, and this duty cycle mode is applicable to summer day does not have the cloudy day of the sun or the moment at night.The temperature exported when the temperature signal probe 105 of solar thermal collector are lower than the condensation temperature of kind of refrigeration cycle, temperature signal probe 105 sends signal, connects the first T-way change-over solenoid valve 5 (II → I), the second T-way change-over solenoid valve 7 (I → III), the 3rd T-way change-over solenoid valve 8 (III → I) and the 4th T-way change-over solenoid valve 10 (II → III).
This circulation is similar to the flow process that soil buried tube heat exchanger 6 in pattern (d) carries out kind of refrigeration cycle as high temperature heat source, difference replaces soil buried tube heat exchanger 6 as the condenser of kind of refrigeration cycle with heat storage water tank 11, concrete flow process is: enter after heat storage water tank 11 carries out heat exchange with recirculated water from the HTHP superheated vapor working medium after compressor 1 compression and be condensed into liquid refrigerant, liquid refrigerant flows through the 3rd T-way change-over solenoid valve 8 (III → I) successively, the gas-liquid mixed working medium that throttling arrangement 4 becomes low-temp low-pressure is entered after first T-way change-over solenoid valve 5 (II → I), when entering the waste heat after indoor heat exchanger 3 in absorption chamber, freezed in indoor, working medium is evaporated to superheated vapor by gas-liquid mixed working medium after indoor heat exchanger 3, compressor 1 import is entered after flowing through four-way change-over valve 2, the overheated gas of HTHP is compressed in compressor 1, flow through four-way change-over valve 2 successively again, second solenoid directional control valve 7 (I → III), 3rd solenoid directional control valve 10 (II → III), enter the once circulation that heat storage water tank 11 completes working medium, circulate and so forth, realize after working medium absorbs low-temperature heat source indoor, compressedly become high temperature, realized the object of indoor refrigeration to recirculated water heat release by heat storage water tank 11.
The handling process of excessive Seasonal Cycle is as shown in Figure 3: compressor and indoor heat exchange unit and soil source heat exchange unit out of service, only have solar energy heating and the work of hot water heat storage units, available domestic hot-water be provided.It performs (f) circulation pattern:
Pattern (f): solar thermal collector 9 is as the heating cycle pattern of thermal source to circulating water heating in heat storage water tank 11, this duty cycle mode is suitable for the indoor moment do not needed for warm refrigeration, can according to the weather conditions of locality according to Heating Period and the setting of air-conditioning phase.In such a mode, connection the 4th T-way change-over solenoid valve 10 (I → III), the 3rd T-way change-over solenoid valve 8 (III → II) compressor quit work.
The flow process of this circulation is completely the same to the heating cycle of circulating water heating in heat storage water tank 11 as thermal source with the solar thermal collector 9 in (b).
The solar energy that the embodiment of the present invention provides and the heat pump that soil source replaces have following advantage:
One, the embodiment of the present invention is by integrating compressor and indoor heat exchange unit, solar energy heating and hot water heat storage units and soil source heat exchange unit, wherein solar energy heating and hot water heat storage units and soil source heat exchange unit are directly as the evaporimeter in heat pump or condenser, do not establish intermediate heat transfer equipment, the hot pressing that the power of whole system circulation is produced by the working medium temperature difference in compressor and system provides, system is simple, reduce intermediate heat transfer loss, energy-efficient.
Two, achieve continuous heating in winter, continuous cooling in summer, the high-efficient circulating system of a certain amount of domestic hot-water can also be provided the whole year simultaneously, be particularly suitable for the northern area of China and use.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
As seen through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realizes.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform the method described in some part of each embodiment of the present invention or embodiment.
Each embodiment in this description all adopts the mode of going forward one by one to describe, between each embodiment identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.Especially, for device or system embodiment, because it is substantially similar to embodiment of the method, so describe fairly simple, relevant part illustrates see the part of embodiment of the method.Apparatus and system embodiment described above is only schematic, the wherein said unit illustrated as separating component or can may not be and physically separates, parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple NE.Some or all of module wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. a family formula heat pump for solar energy and soil source use in conjunction, is characterized in that, comprising: compressor and indoor heat exchange unit, solar energy heating and hot water heat storage units, soil source heat exchange unit; Be connected in series with compressor and indoor heat exchange unit after described soil source heat exchange unit, solar energy heating and hot water heat storage units are connected in parallel, each connected node is all the connection of employing T-way change-over solenoid valve.
2. the family formula heat pump of solar energy according to claim 1 and soil source use in conjunction, it is characterized in that, described compressor and indoor heat exchange unit comprise: compressor, four-way change-over valve, indoor heat exchanger, throttling arrangement, first T-way change-over solenoid valve and the second T-way change-over solenoid valve, the turnover of described compressor is connected with a road exit port of described four-way change-over valve, another road exit port of described four-way change-over valve respectively with one end of described indoor heat exchanger, described second T-way change-over solenoid valve connects, the other end of described indoor heat exchanger successively with described throttling arrangement, described first T-way change-over solenoid valve connects.
3. the family formula heat pump of solar energy according to claim 1 and soil source use in conjunction, is characterized in that, described solar thermal collector and described heat storage water tank are connected in parallel.
4. the family formula heat pump of solar energy according to claim 3 and soil source use in conjunction, is characterized in that, described solar thermal collector comprises evaporating heat exchanger, incubator frame, incubator backboard, heat absorbing fins, temperature signal probe, transparent cover plate.
5. the family formula heat pump of solar energy according to claim 4 and soil source use in conjunction, it is characterized in that, described solar energy heating and hot water heat storage units comprise solar thermal collector, heat storage water tank, the 3rd T-way change-over solenoid valve and the 4th T-way change-over solenoid valve, and the two ends of described solar thermal collector, described heat storage water tank are connected with described 3rd T-way change-over solenoid valve, described 4th three-way diverter valve all respectively.
6. the family formula heat pump of solar energy according to claim 1 and soil source use in conjunction, it is characterized in that, described soil source heat exchange unit comprises: soil buried tube heat exchanger, and the two ends of described soil buried tube heat exchanger are connected with described first T-way change-over solenoid valve, described second T-way change-over solenoid valve respectively.
7. the family formula heat pump of solar energy according to claim 6 and soil source use in conjunction, is characterized in that, described indoor heat exchanger is fan coil, radiator or flooring radiation heat exchanger.
8. the family formula heat pump of solar energy according to claim 7 and soil source use in conjunction, is characterized in that, multiple described fan coil, radiator or flooring radiation heat exchanger are connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510548243.3A CN105157273A (en) | 2015-08-31 | 2015-08-31 | Family type heat pump system with combined application of solar energy and soil source |
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| CN105387509A (en) * | 2015-12-18 | 2016-03-09 | 山东力诺瑞特新能源有限公司 | Solar energy and air source heat pump combined family heating system |
| CN106257155A (en) * | 2016-09-08 | 2016-12-28 | 安徽新富地能源科技有限公司 | A kind of earth temperature energy hot hydrophone attachment means |
| CN106440397A (en) * | 2016-10-11 | 2017-02-22 | 中国科学院工程热物理研究所 | Seasonal underground compound heat storage system |
| CN107036152A (en) * | 2017-06-21 | 2017-08-11 | 宝莲华新能源技术（上海）股份有限公司 | A kind of solar thermal collection system |
| CN107062703A (en) * | 2017-05-13 | 2017-08-18 | 上海博阳新能源科技股份有限公司 | A kind of direct current heat pump based on PVT heat collectors |
| CN109916101A (en) * | 2019-01-21 | 2019-06-21 | 江苏白雪电器股份有限公司 | Self-cascade heat pump system with solar still |
| CN110736125A (en) * | 2019-10-21 | 2020-01-31 | 扬州大学 | direct-expansion type solar energy-air-soil multiple source heat pump and operation adjusting method thereof |
| CN113819503A (en) * | 2021-09-30 | 2021-12-21 | 河北工程大学 | Solar energy-water source heat pump heating system for obtaining heat by means of solar energy and phase change |
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| CN105387509A (en) * | 2015-12-18 | 2016-03-09 | 山东力诺瑞特新能源有限公司 | Solar energy and air source heat pump combined family heating system |
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| CN109916101A (en) * | 2019-01-21 | 2019-06-21 | 江苏白雪电器股份有限公司 | Self-cascade heat pump system with solar still |
| CN110736125A (en) * | 2019-10-21 | 2020-01-31 | 扬州大学 | direct-expansion type solar energy-air-soil multiple source heat pump and operation adjusting method thereof |
| CN113819503A (en) * | 2021-09-30 | 2021-12-21 | 河北工程大学 | Solar energy-water source heat pump heating system for obtaining heat by means of solar energy and phase change |
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Application publication date: 20151216 |