CN201355133Y - Hot water device combining solar hot water system and heat pump - Google Patents

Hot water device combining solar hot water system and heat pump Download PDF

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Publication number
CN201355133Y
CN201355133Y CNU2009200369951U CN200920036995U CN201355133Y CN 201355133 Y CN201355133 Y CN 201355133Y CN U2009200369951 U CNU2009200369951 U CN U2009200369951U CN 200920036995 U CN200920036995 U CN 200920036995U CN 201355133 Y CN201355133 Y CN 201355133Y
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hot water
solar
heat
collector
pipeline
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Expired - Lifetime
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CNU2009200369951U
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Chinese (zh)
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张小松
杨磊
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Southeast University
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Southeast University
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/30—Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S10/00—Solar heat collectors using working fluids
    • F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
    • F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
    • 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
    • Y02E10/44—Heat exchange systems

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

A hot water device combining solar hot water system and heat pump integrates a traditional flat-type solar water heater and a heat pump hot water system, wherein the outlet end of a condensing agent pipe of an integral flat-type solar water heater (1) is connected with the inlet end of a compressor (2) through a first check valve (10), the outlet end of the compressor (2) is connected with the inlet end of the condensing agent pipe of a cannula condenser (3), the outlet end of the condensing agent pipe of the cannula condenser (3) is connected with the inlet end of a triple valve (5) through a magnetic valve (f) and an electric expansion valve (4), the outlet end of the triple valve (5) is divided into two paths, either of the two paths is connected with the inlet end of the condensing agent pipe of the integral flat-type solar water heater (1), and the other path is connected with the inlet end of an outdoor air source evaporator (6), and the outlet end of the outdoor air source evaporator (6) is connected between the first check valve (10) and the inlet end of the compressor (2) through a second check valve (110), thereby achieving the purpose of making hot water in high efficiency and energy saving.

Description

The hot water apparatus that solar water heating system combines with heat pump
Technical field
The utility model is a kind of integral system that traditional flat solar water heater and heat pump hot-water system are combined, and belongs to the solar thermal utilization category, solar water heater and technical field of heat pumps.
Background technology
Solar thermal utilization develops into today, no matter is aspect the collecting efficiency of heat collector, or has all obtained great advance aspect cost performance.Solar water heater has boundless market in China, and along with the continuous aggravation of energy crisis, the utilization of solar energy has been subjected to national increasing attention.But the least favorable factor of solar energy utilization is the unstability of solar radiation, and solar water heater can't guarantee hot water needs anywhere or anytime.Solar water heater on the current market adopts auxiliary electrically heated mode to remedy mostly, and this unreasonable use to the high-order energy has caused huge waste.
Heat pump is combined with solar water heater, when solar radiation is inadequate, adopt heat pump to produce hot water, can keep the stable of heat supply, have higher relatively heating efficiency again, energy-saving effect is remarkable.The more apparatus for heating water by solar energy of research at present mainly contains direct expansion formula and two kinds of indirect expansion types with combining of heat pump, and the heat collector of direct expansion formula solar heat pump is directly as the heat pump evaporimeter, and cold-producing medium directly absorbs the solar radiation evaporation; The heat collector of expansion type solar heat pump separates with evaporimeter indirectly, and cold-producing medium absorbs heat of vaporization from the hot water that heat collector obtains.
Direct expansion formula solar heat pump compact conformation, because cold-producing medium heat absorption evaporation, the thermal-arrest plate temperature is not high relatively and be evenly distributed, collecting efficiency can remain at higher level, but when solar radiation was very sufficient, heat pump also was held open, and has caused waste of electric energy; Indirectly the expansion type solar heat pump can directly produce hot water and use when solar radiation is very sufficient, but when being used for providing hot water to evaporimeter, have thermal loss on the transfer pipeline, and collecting efficiency can obviously reduce along with the raising of thermal-arrest plate temperature.
Solar water heating system and heat pump hot-water system are assembled a system, are that one will be a kind of significant trial in conjunction with the direct expansion formula with indirect expansion type notion.
Summary of the invention
Technical problem: the purpose of this utility model provides a kind ofly can efficiently utilize solar radiation, solar energy hot water and heat pump is heated water combine, thereby realize the hot water apparatus that the energy-efficient solar water heating system of producing hot water combines with heat pump.
Technical scheme: the hot water apparatus that solar water heating system of the present utility model combines with heat pump is with the hot water line of refrigerant line and the flat-plate solar collector formation solar energy heat collector that is combined into one; Wherein, the condensing agent pipe of integral flat formula solar thermal collector go out end connects compressor by first check-valves inlet side, the inlet side of the condensing agent pipe that goes out the terminal sleeve condenser of compressor, the condensing agent pipe of double-pipe condenser go out end connects triple valve by magnetic valve, electric expansion valve inlet side; The end that goes out of triple valve divides two-way, one tunnel inlet side that connects the condensing agent pipe of integral flat formula solar thermal collector wherein, another road connects the inlet side of outdoor air source evaporimeter, and the end that goes out of outdoor air source evaporimeter is connected between the inlet side of first check-valves and compressor by second check-valves; The water loop of integral flat formula solar thermal collector is communicated with first water tank, and the water loop of double-pipe condenser is communicated with second water tank.
Summer, detect water temperature among the boiler I in the time of setting by temperature-detecting device, be used for controlling cold-producing medium triple valve aperture.If solar radiation is abundant, the water temperature in the water tank has satisfied domestic hot-water's requirement, and then controller is kept the heat pump shutdown, and system directly absorbs solar radiation with solar thermal collector and produces the work of hot water pattern; If solar radiation is insufficient, when detecting water temperature and being lower than the domestic hot-water and requiring, controller is opened heat pump, and adjusting three-way valve aperture, make part of refrigerant flow to the refrigerant line in the hot-water line, this part cold-producing medium is the draw heat evaporation from the water that is heated to uniform temperature, and with the refrigerant mixed in outdoor air source evaporimeter absorption chamber external environment air heat of vaporization, the hot water of satisfied temperature is produced in compressed machine compression back condensation heat release in double-pipe condenser; When not having solar radiation fully, use the air source heat pump pattern to produce hot water when overcast and rainy separately.
In winter, air source evaporimeter is stopped using.Because the winter solar radiation is generally inadequate, directly receiving the obtainable hot water temperature of solar radiation often can't meet the demands, this moment all the flow through refrigerant tubing of integrated plate type solar heat collector of cold-producing medium, be heated to the heat of vaporization of the hot water of uniform temperature in the outer hot-water line of extraction duct, compressed machine compression, the hot water of satisfied temperature requirement is produced in condensation heat release in double-pipe condenser.
The refrigerant line of the hot water apparatus that solar water heating system combines with heat pump and the hot water line of the flat-plate solar collector formation solar energy heat collector that is combined into one; Wherein, the hot water line of flat-plate solar collector comprises the pipeline that catchments, distributive pipe road, hot water pipeline, thermal-arrest fin, catchment pipeline, distributive pipe road, lay respectively at both sides, hot water pipeline is communicated with between catchment pipeline and distributive pipe road and with the two, connects the thermal-arrest fin at the lateral surface of hot water pipeline; The refrigerant line of heat-pump water heater comprises refrigerant tubing, valve, helical fin, wherein, the outside of refrigerant tubing is provided with helical fin, and is arranged in the pipeline that catchments, distributive pipe road, hot water pipeline, and valve is positioned at the import or export place of refrigerant tubing.
Beneficial effect: the beneficial effects of the utility model are:
1. solar water heating system is combined with heat pump hot-water system, can efficiently produce hot water with various modes according to the difference of solar radiation;
2. the hot water apparatus that combines with heat pump of solar water heating system directly places hot water pipeline with refrigerant tubing, and compact conformation has been avoided the heat loss in the indirect expansion type solar heat pump and water heating course of conveying simultaneously;
3. solar radiation is generally inadequate in the winter time, under the general lower environment of temperature, cold-producing medium is draw heat from the thermal-arrest waterpipe directly, and evaporating temperature is higher than direct absorption heat from environment, and has avoided the air source heat pump danger of the easy frosting of evaporimeter in the winter time.
4. cold-producing medium directly absorbs heat from hot water, makes that collecting efficiency is unlikely to significantly to reduce because of the rising gradually of thermal-arrest plate temperature under the inadequate situation of solar radiation.
Description of drawings
Fig. 1 is a system schematic of the present utility model.Wherein have: integral flat formula solar thermal collector 1, compressor 2, double-pipe condenser 3, electric expansion valve 4, triple valve 5, outdoor air source evaporimeter 6, temperature-detecting device 7, valve opening controller 8, water circulating pump 9, first check-valves 10, second check-valves 110, magnetic valve f.
Fig. 2 is the structure chart of integral flat formula solar thermal collector.
Fig. 3 is an integral flat formula solar thermal collector front view.Wherein have: glass cover-plate 11, the pipeline 12 that catchments, distributive pipe road 13, hot water pipeline 14, thermal-arrest fin 15, refrigerant tubing 16, valve 17, control device 18, insulation material 19, helical fin 20.
The specific embodiment
Adopt the integrated plate type solar heat collector of particular design, by the refrigerant flow in the control cold-producing medium three-way valve adjusting heat collector refrigeration piping.Summer, the temperature in the time of setting (as some every afternoons 6) by temperature-detecting device detected set boiler.When the solar radiation abundance, when the hot water temperature that heat collector directly absorbs solar radiation and produced can satisfy instructions for use, controller made towards the valve closing of heat collector refrigeration piping, and heat pump is stopped, and heat collector directly absorbs solar energy and produces hot water; When solar radiation inadequate, when detection hot water water temperature can not meet the demands, controller makes towards the valve open of heat collector refrigeration piping and regulates its aperture, make certain cold-producing medium is arranged in the pipeline, this part cold-producing medium directly absorbs heat of vaporization from hot water pipeline, with the refrigerant mixed in outdoor air source evaporimeter absorption chamber external environment air heat of vaporization, the hot water of satisfied temperature is produced in compressed machine compression back condensation heat release in double-pipe condenser; When not having solar radiation fully, use the air source heat pump pattern to produce hot water when overcast and rainy separately.
Solar energy heat collector adopts integrated plate type solar heat collector, adds refrigerant tubing in the heat collecting pipeline inside of classic flat-plate heat collector, the two coaxial arrangement.Refrigerant tubing overcoat helical fin is used for enhanced heat exchange effect, effectively draw heat from water.
Integrated plate type solar heat pump water heating apparatus is with the hot water line of refrigerant line and the flat-plate solar collector formation solar energy heat collector that is combined into one; Wherein, the condensing agent pipe of integral flat formula solar thermal collector 1 go out end connects compressor 2 by first check-valves 10 inlet side, the inlet side of the condensing agent pipe that goes out terminal sleeve condenser 3 of compressor 2, the condensing agent pipe of double-pipe condenser 3 go out end connects triple valve 5 by magnetic valve f, electric expansion valve 4 inlet side; The end that goes out of triple valve 5 divides two-way, one tunnel inlet side that connects the condensing agent pipe of integral flat formula solar thermal collector 1 wherein, another road connects the inlet side of outdoor air source evaporimeter 6, and the end that goes out of outdoor air source evaporimeter 6 is connected between the inlet side of first check-valves 10 and compressor 2 by second check-valves 110; The water loop of integral flat formula solar thermal collector 1 is communicated with the first water tank I, and the water loop of double-pipe condenser 3 is communicated with the second water tank II.
Integrated plate type solar heat collector 1 is with the hot water line of the refrigerant line of heat-pump water heater and the flat-plate solar collector formation solar energy heat collector that is combined into one; Wherein, the hot water line of flat-plate solar collector comprises the pipeline 12 that catchments, distributive pipe road 13, hot water pipeline 14, thermal-arrest fin 15, catchment pipeline 12, distributive pipe road 13, lay respectively at both sides, hot water pipeline 14 is communicated with between catchment pipeline 12 and distributive pipe road 13 and with the two, connects thermal-arrest fin 15 at the lateral surface of hot water pipeline 14; The refrigerant line of heat-pump water heater comprises refrigerant tubing 16, valve 17, helical fin 20, wherein, the outside of refrigerant tubing 16 is provided with helical fin 20, and being arranged in the pipeline 12 that catchments, distributive pipe road 13, hot water pipeline 14, valve 17 is positioned at the import or export place of refrigerant tubing 16.
Adopt the integrated plate type solar heat collector of particular design, flat plate collector and refrigeration piping are combined as a whole, by controller control cold-producing medium three-way valve aperture, thus the refrigerant flow in the adjusting heat collector refrigerant tubing.When compressor shutdown, three-way valve Close All, magnetic valve and check-valves guarantee that cold-producing medium all concentrates on the compressor air suction mouth basically, almost do not have residual cold-producing medium in the refrigerant tubing in evaporimeter and the heat collector.
Summer, the temperature in the time of setting (for example every afternoons 6 point) by temperature-detecting device (7) detected set boiler.When the solar radiation abundance, when the hot water temperature that heat collector directly absorbs solar radiation and produced can satisfy instructions for use, controller (8) keeps leading to the valve closing of heat collector refrigeration piping, does not have cold-producing medium in the pipeline, and flat plate collector is produced hot water by direct absorption solar energy; When solar radiation inadequate, when detection hot water water temperature can not meet the demands, controller makes and leads to the valve open of heat collector refrigeration piping and suitably regulate its aperture, make the cold-producing medium that certain flow is arranged in the pipeline, this part cold-producing medium directly absorbs heat from hot water pipeline, with the refrigerant mixed in outdoor air source evaporimeter absorption chamber external environment air heat of vaporization, the hot water of satisfied temperature is produced in compressed machine compression back condensation heat release in double-pipe condenser; When not having solar radiation fully, use the air source heat pump pattern to produce hot water when overcast and rainy separately.
In winter, air source evaporimeter does not re-use, and leads to the valve closing of air source evaporimeter.Because the winter solar radiation generally can't be satisfied direct heat hot water to the needs temperature, system adopts the water resource heat pump mode to produce hot water fully.This moment, the cold-producing medium heat collector refrigerant tubing of all flowing through directly absorbed heat of vaporization from hot water pipeline, and compressed machine is compressed into high pressure refrigerant vapor and enters double-pipe condenser, and condensation heat release in double-pipe condenser produces the hot water of higher temperature.Condensed refrigerant liquid is got back to the refrigerant tubing in the flat plate collector through electric expansion valve throttling step-down, finishes heat pump cycle.
Solar energy heat collector adopts the integrated plate type solar heat collector of particular design.This heat collector is to add refrigerant tubing, the two coaxial arrangement in the thermal-arrest hot water pipeline inside at the classic flat-plate heat collector.Refrigerant tubing adopts helical fin to be used for enhanced heat exchange effect, effectively draw heat from the hot water that is heated to uniform temperature outward.Whole heat collector is equipped with the clear glass cover plate, and the back is provided with insulation material, can absorb solar radiation to greatest extent, reduces heat simultaneously and scatters and disappears.
This system has utilized solar radiation to produce hot water fully, and combines with heat pump hot-water system, can produce hot water with various modes according to the difference of solar radiation.Utilize winter by the hot water of solar energy heating as the heat absorption thermal source, improved evaporating temperature, heating efficiency has bigger lifting than air source heat pump hot-water heating system, and has avoided air source heat pump to absorb heat from air, the danger that evaporimeter may frosting.Simultaneously solar radiation is generally not strong in the winter time, and under the lower usually situation of temperature, the continuous evaporation of cold-producing medium has been kept absorber plate at a lower temperature, and it is very low that collecting efficiency is unlikely to.

Claims (2)

1. hot water apparatus that solar water heating system combines with heat pump is characterized in that this device is with the hot water line of refrigerant line and the flat-plate solar collector formation solar energy heat collector that is combined into one; Wherein, the condensing agent pipe of integral flat formula solar thermal collector (1) go out end connects compressor (2) by first check-valves (10) inlet side, the inlet side of the condensing agent pipe that goes out terminal sleeve condenser (3) of compressor (2), the condensing agent pipe of double-pipe condenser (3) go out end connects triple valve (5) by magnetic valve (f), electric expansion valve (4) inlet side; The end that goes out of triple valve (5) divides two-way, one tunnel inlet side that connects the condensing agent pipe of integral flat formula solar thermal collector (1) wherein, another road connects the inlet side of outdoor air source evaporimeter (6), and the end that goes out of outdoor air source evaporimeter (6) is connected between the inlet side of first check-valves (10) and compressor (2) by second check-valves (110); The water loop of integral flat formula solar thermal collector (1) is communicated with first water tank (I), and the water loop of double-pipe condenser (3) is communicated with second water tank (II).
2. the hot water apparatus that solar water heating system according to claim 1 combines with heat pump is characterized in that integrated plate type solar heat collector (1) is with the hot water line of the refrigerant line of heat-pump water heater and the flat-plate solar collector formation solar energy heat collector that is combined into one; Wherein, the hot water line of flat-plate solar collector comprises the pipeline that catchments (12), distributive pipe road (13), hot water pipeline (14), thermal-arrest fin (15), catchment pipeline (12), distributive pipe road (13), lay respectively at both sides, hot water pipeline (14) is positioned between the pipeline that catchments (12) and distributive pipe road (13) and with the two and is communicated with, and connects thermal-arrest fin (15) at the lateral surface of hot water pipeline (14); The refrigerant line of heat-pump water heater comprises refrigerant tubing (16), valve (17), helical fin (20), wherein, the outside of refrigerant tubing (16) is provided with helical fin (20), and being arranged in the pipeline that catchments (12), distributive pipe road (13), hot water pipeline (14), valve (17) is positioned at the import or export place of refrigerant tubing (16).
CNU2009200369951U 2009-02-27 2009-02-27 Hot water device combining solar hot water system and heat pump Expired - Lifetime CN201355133Y (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101498513B (en) * 2009-02-27 2010-07-07 东南大学 Integrated plate type solar heat pump water heating apparatus
CN102645055A (en) * 2012-05-16 2012-08-22 东南大学 Adaptively-matched solar auxiliary air source heat pump device
CN101711599B (en) * 2009-11-23 2012-08-29 昆明理工大学 Bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources
CN105202759A (en) * 2015-08-31 2015-12-30 黑龙江宏利天扬新能源技术开发有限公司 External heat energy converter of air source heat pump water heater
CN106871215A (en) * 2017-04-19 2017-06-20 日出东方太阳能股份有限公司 Solar heating system
CN107975900A (en) * 2017-12-22 2018-05-01 山东飞龙制冷设备有限公司 A kind of indirect expansion type heat supply and water system for household
CN108870742A (en) * 2017-05-10 2018-11-23 青岛经济技术开发区海尔热水器有限公司 Novel dual-energy hot water system and control method
CN109000381A (en) * 2018-07-05 2018-12-14 燕山大学 Photovoltaic-loop hot-water heating system and progress control method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101498513B (en) * 2009-02-27 2010-07-07 东南大学 Integrated plate type solar heat pump water heating apparatus
CN101711599B (en) * 2009-11-23 2012-08-29 昆明理工大学 Bulk curer heat supply and ventilation system supplied by combined solar energy-air source heat pump double heat sources
CN102645055A (en) * 2012-05-16 2012-08-22 东南大学 Adaptively-matched solar auxiliary air source heat pump device
CN102645055B (en) * 2012-05-16 2014-02-19 东南大学 Adaptively-matched solar auxiliary air source heat pump device
CN105202759A (en) * 2015-08-31 2015-12-30 黑龙江宏利天扬新能源技术开发有限公司 External heat energy converter of air source heat pump water heater
CN106871215A (en) * 2017-04-19 2017-06-20 日出东方太阳能股份有限公司 Solar heating system
CN106871215B (en) * 2017-04-19 2023-06-02 日出东方太阳能股份有限公司 Solar heating system
CN108870742A (en) * 2017-05-10 2018-11-23 青岛经济技术开发区海尔热水器有限公司 Novel dual-energy hot water system and control method
CN107975900A (en) * 2017-12-22 2018-05-01 山东飞龙制冷设备有限公司 A kind of indirect expansion type heat supply and water system for household
CN109000381A (en) * 2018-07-05 2018-12-14 燕山大学 Photovoltaic-loop hot-water heating system and progress control method
CN109000381B (en) * 2018-07-05 2020-02-11 燕山大学 Solar photovoltaic-loop hot water system and operation control method

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Granted publication date: 20091202

Effective date of abandoning: 20090227