CN1131400C - Solar, air, electric heating combined heat-pump system for heating, air-conditioning and heating water - Google Patents
Solar, air, electric heating combined heat-pump system for heating, air-conditioning and heating water Download PDFInfo
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- CN1131400C CN1131400C CN 01117295 CN01117295A CN1131400C CN 1131400 C CN1131400 C CN 1131400C CN 01117295 CN01117295 CN 01117295 CN 01117295 A CN01117295 A CN 01117295A CN 1131400 C CN1131400 C CN 1131400C
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Abstract
The present invention relates to a solar, air and electric heating combined heat pump system for heating, air-conditioning and heating water. The present invention comprehensively utilizes three functions of heating, air-conditioning and heating water by the complementation of solar energy, air energy and electric energy and optimizes an energy saving proposal from 11 operating modes according to geographical and meteorological conditions. The present invention realizes linked supply of air-conditioning and heating water to avoid outdoor heat pollution, and unifies circulation water system to reduce heat exchange links so as to reduce the manufacturing cost and realize the sensible heat and the heat accumulation of circulation water so that the present invention has the advantages of a water circulation heat pump. The present invention also has high heat collecting efficiency of the solar energy and heat supply coefficients of the system and large heat accumulation density, and has low frequency and less time for defrosting so as to have low heat supply loss, the initial cost and the running cost are lower than the sum of the cost of the method by compounding the three technologies.
Description
The present invention relates to a kind of sun, air, electric heating three energy of utilizing and realize heating, air-conditioning, hot water three function combined heat-pump (3-3) systems.
Air is extensive, uniform thermal source, and the almost heat of any amount can both be provided under various different temperatures, and this is the worldwide prerequisite of widespread commercialization of present air heat pump system.Yet because air themperature is big with area, seasonal variations, thereby there are the following problems in the use of air heat pump system:
1, adopt crossing the air of low temperature from winter when hot, heat pump is difficult to start, coefficient of heat supply reduces;
2, enough adopt hot mean temperature difference for keeping, heat pump need the air capacity more much bigger than refrigeration system skim over evaporimeter, thereby increases the blower fan power consumption, reduces the heat pump coefficient of heat supply; By experience, the actual use of the every kW heating load of heat pump 1200m
3The economically feasible air capacity of/h;
3, for keeping 5 ℃ of temperature difference between air themperature and the evaporating temperature, under above-mentioned economically feasible air capacity condition, required evaporimeter heat exchange area doubles the evaporimeter of unilateral system cooling system approximately;
When 4, air themperature is between-5-+5 ℃,, therefore there is coil pipe frosting phenomenon, heat exchange efficiency is reduced, can stop up air intlet fully when serious because the air absolute moisture content is higher;
5, during above-mentioned 4, operating mode, need per hour 1-2 time defrosting circulation, not heat supply of heat pump this moment is extracted the defrosting heat on the contrary in building, cause the heating load of 6-21% to lose.
Adopt air heat pump system from the room balcony of sealing or the warm air in the hot house, to adopt heat,, take bigger useful space though ruuning situation is good.
Solar energy also is extensive, even, high-grade desirable thermal source, and this is the worldwide business-like prerequisite of present solar thermal collector.Yet because the low-density feature of solar energy, there are the following problems to make solar thermal collector:
1,, the initial cost of $5000-10000/kW makes it be difficult to realize more massive commercialization on existing industrial platform;
2, when heat-collecting temperature is higher, the environment heat waste is bigger, causes collecting efficiency to reduce.
The initial cost of electric heater is minimum by contrast, but when moving continuously all the year round, power consumption is huge, therefore also unsuitable independent operating.
The advantage that the objective of the invention is comprehensively existing air heat pump system, solar thermal collector, three kinds of technology of electric heater, overcome its weak point of independent technology separately simultaneously, provide a kind of and realize the comprehensive utilization of heating, air-conditioning, hot water three functions by the sun, air, electric heating three energy complementations so that in 15 years initial cost and running cost close minimum Trinity combined heat-pump (3-3) system.
Description of drawings:
Accompanying drawing 1 is a system flow chart of the present invention.
Accompanying drawing 2 is for mixing the profile of heat, accumulation of heat, evaporator 1 among the present invention.
Accompanying drawing 3 is the flow chart of bidirectional throttling valve group 3 among the present invention.
The technical solution used in the present invention, i.e. heating, air conditioning, and water heating functions solar-air electric heating combined heat-pump System is shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, wherein: 1-mixes heat, accumulation of heat, evaporation/condensation Device; The 2-evaporation/condenser tubes; 3-bidirectional throttling valve group; The 4-flow control valve; 5-air evaporation/cold Condenser; 6-recirculated water evaporator/condensers; The 7-four-way change-over valve; The 8-compressor bank; 9-gas-liquid branch From device; 10-cold/hot water circulating pump; 11-water supply cross valve group; 12-backwater cross valve group; 13-Mixed water-circulating pump; 14-mixes water triple valve group; The 15-thermal collecting header; 16-mixing tee valve group; 17-Fan coil; The 18-water heater; The 19-hot-water coil pipe; 20-level pressure, expansion drum; 21-recirculated water; 22-phase-transition heat-storage pipe; The 23-electric heating tube; The 24-solar energy heat collection pipe; The 25-motor; 26-wind Machine; The 27-choke valve; The 28-non-return valve; The 29-device for drying and filtering.
According to accompanying drawing 1, accompanying drawing 2, heating, air conditioning, and water heating functions shown in the accompanying drawing 3 solar-air electric heating combined heat-pump system: mix heat, accumulation of heat, the import/export of evaporation/condenser tubes 2 forms sun side branch road by bidirectional throttling valve group 3 and 2 flow control valves 4 respectively in the evaporator 1, in parallel by the air side branch road of bidirectional throttling valve group 3 and 2 flow control valve 4 formation respectively with the import/export of air evaporation/condenser 5 then, one end of alternate path connects the refrigerant side of recirculated water evaporator 6 more in turn by pipeline, four-way change-over valve 7, compressor bank 8, gas-liquid separator 9, last link with the other end of this alternate path again, form the sun, air, electric heating combined heat-pump system loop;
The outlet of recirculated water evaporator 6 recirculated water sides is connected in water supply cross valve group 11 by pipeline, and backwater cross valve group 12 is connected in the import of cold/hot water circulating pump 10, recirculated water evaporator 6 recirculated water sides by pipeline, forms combined heat-pump system cooling/hot-water return;
The mixed water side outlet that mixes heat, accumulation of heat, evaporator 1 is connected in by pipeline and mixes water-circulating pump 13, mixes water triple valve group 14, mix water triple valve group 14 and be connected in thermal-arrest header 15, mixing tee valve group 16, mix the mixing side-entrance of heat, accumulation of heat, evaporator 1 by pipeline again, form the thermal-arrest loop;
The mixed water side outlet that mixes heat, accumulation of heat, evaporator 1 is connected in by pipeline and mixes water-circulating pump 13, mixes water triple valve group 14, mix water triple valve group 14 and be connected in water supply cross valve group 11 by pipeline again, and backwater cross valve group 12 is connected in mixing tee valve group 16, mixes the mixing side-entrance of heat, accumulation of heat, evaporator 1 by pipeline, forms heat supplying loop;
Water supply cross valve group 11 is connected in fan coil 17 systems, backwater cross valve group 12 by pipeline, forms heating, air-conditioning cold/hot water loop;
Water supply cross valve group 11 is connected in hot-water coil pipe 19, backwater cross valve group 12 in water heater 18 systems by pipeline, forms to add hot-water return;
The level pressure pipe of level pressure, expansion drum 20 becomes 2 the tunnel to be connected to the outlet of thermal-arrest header 15 and the inlet of cold/hot water circulating pump 10.
Mix in the recirculated water 21 in heat, accumulation of heat, the evaporator 1, evenly arranging the evaporation/condenser tubes 2 of the cold-producing medium that circulates, phase-transition heat-storage pipe 22, the electric heating tube 23 of filling phase-change working substance simultaneously; Wherein evaporation/condenser tubes 2 and phase-transition heat-storage pipe 22 can be straight tubes, also spiral coil; Phase-change working substance is phase transition temperature 6-66 ℃ crystalline hydrate salt, paraffin, ester acid.
Solar radiation that thermal-arrest header 15 collects can be realized by thermal-collecting tube 24 by parallel alternate heat-tube vacuum cast of 1-10000 root or full glass vacuum tube type solar.
The air side of air evaporation/condenser 5 drives blower fan 26 by motor 25.
1 choke valve 27 and 1 non-return valve 28 reverse parallel connection are formed the one-way throttle valve group; 2 groups of one-way throttle valve group valve differential concatenations of the same type again, 2 groups of middle 1 devices for drying and filtering 29 of also connecting, thus form bidirectional throttling valve group 3.
The electric heating tube 23 that mixes in heat, accumulation of heat, the evaporator 1 can save.
The heating water supply loop of being made up of the hot-water coil pipe in the water heater 18 19 can save.
Operation principle of the present invention is in conjunction with the accompanying drawings 1, accompanying drawing 2, accompanying drawing 3 be described as follows:
One, solar thermal collection system heat-supplying mode
When the temperature that solar radiation occurs and/or mix the recirculated water 21 in heat, accumulation of heat, the evaporator 1 during greater than the heating supply water temperature of the heating supply water temperature of fan coil 17 and/or water heater 18, mixing water-circulating pump 13 starts, with drive recirculated water 21 flow through mix water triple valve group 14 after, carry out:
1, thermal-arrest circulation: recirculated water 21 flow through thermal-arrest header 15, mixing tee valve group 16, mix the phase-transition heat-storage pipe 22 in heat, accumulation of heat, the evaporator 1, constitute the thermal-arrest circulation, penetrate radiation entirely and import upper end thermal-arrest header 15 selectivity flap surface from solar energy heat collection pipe 24 is absorbed the sun by heat pipe, the last thermal-arrest that discharges with convection type, be transported to and mix in heat, accumulation of heat, the evaporator 1, by convection type a part of thermal-arrest is passed to the outer surface of phase-transition heat-storage pipe 22 again, and by wherein phase-change working substance with the accumulation of heat of heat absorption fusion mode.
2, heat supply circulation: recirculated water 21 flow through water supply cross valve group 11, fan coil 17 systems and/or water heater 18 systems, backwater cross valve group 12, mixing tee valve group 16, mix heat, accumulation of heat, evaporator 1, constitute the heat supply circulation, with convection type from phase-transition heat-storage pipe 22 and/or electric heating tube 23, that accepts solidifies heat release and/or electrical heating, flows to fan coil 17 systems and/or water heater 18 systems.
3, mix the water circulation: i.e. the circulation in parallel of thermal-arrest circulation and heat supply circulation, wherein from the thermal-arrest periodical feeding of thermal-arrest header 15, and mix samming after the heat supply circulating backwater process mixing tee valve group 16 from backwater cross valve group 12.
Two, heat pump heat-supplying mode
1, sun heat pump circulating system: recirculated water 21 temperature in mixing heat, accumulation of heat, evaporator 1 are during less than the heating supply water temperature of the heating supply water temperature of fan coil 17 and/or water heater 18, compressor bank 8 starts, to drive cold-producing medium flow through four-way change-over valve 7, recirculated water evaporator 6, flow control valve 4, bidirectional throttling valve group 3, evaporation/condenser tubes 2, flow control valve 4, four-way change-over valve 7, gas-liquid separator 9, constitute sun heat pump circulating system, with the Lowlevel thermal energy pump of gathering in the evaporation/condenser tubes 2 to recirculated water evaporator 6; Cold/hot water circulating pump 10 starts in advance, to drive recirculated water 21 flow through recirculated water evaporator 6, water supply cross valve group 11, fan coil 17 systems and/or water heater 18 systems, backwater cross valve group 12, cold/hot water circulating pump 10, constitute heat supplying loop, so that the condensation heat release in the recirculated water evaporator 6 is flowed to fan coil 17 systems and/or water heater 18 systems.
2, the air heat pump circulatory system: when mixing heat, accumulation of heat, when recirculated water 21 temperature in the evaporator 1 are lower than the heating supply water temperature of the heating supply water temperature of fan coil 17 and/or water heater 18, compressor bank 8 starts, to drive the cold-producing medium four-way change-over valve 7 of flowing through, recirculated water evaporator 6, flow control valve 4, bidirectional throttling valve group 3, air evaporation/condenser 5, flow control valve 4, four-way change-over valve 7, gas-liquid separator 9, constitute the air heat pump circulatory system, with the Lowlevel thermal energy pump of gathering in air evaporation/condenser 5 to recirculated water evaporator 6; Cold/hot water circulating pump 10 starts in advance, to drive recirculated water 21 flow through recirculated water evaporator 6, water supply cross valve group 11, fan coil 17 systems and/or water heater 18 systems, backwater cross valve group 12, cold/hot water circulating pump 10, constitute heat supplying loop, so that the condensation heat release in the recirculated water evaporator 6 is flowed to fan coil 17 systems and/or water heater 18 systems.
3, the sun, air combined heat pump circulating system: when mixing heat, accumulation of heat, when recirculated water 21 temperature in the evaporator 1 are lower than the heating supply water temperature of the heating supply water temperature of fan coil 17 and/or water heater 18, compressor bank 8 starts, to drive the cold-producing medium four-way change-over valve 7 of flowing through, recirculated water evaporator 6, threeway, No. 2 flow control valves 4,2 road bidirectional throttling valve groups 3, evaporation/condenser tubes 2 and air evaporation/condenser 5, No. 2 flow control valves 4, threeway, four-way change-over valve 7, gas-liquid separator 9, constitute the sun, air combined heat pump circulating system, with the Lowlevel thermal energy pump of gathering in evaporation/condenser tubes 2 and the air evaporation/condenser 5 to recirculated water evaporator 6; Cold/hot water circulating pump 10 starts in advance, to drive recirculated water 21 flow through recirculated water evaporator 6, water supply cross valve group 11, fan coil 17 systems and/or water heater 18 systems, backwater cross valve group 12, cold/hot water circulating pump 10, constitute heat supplying loop, so that the condensation heat release in the recirculated water evaporator 6 is flowed to fan coil 17 systems and/or water heater 18 systems.
Three, refrigeration system and solar thermal collection system cooling/hot mode
1, cooling cycle system: compressor bank 8 starts, to drive cold-producing medium flow through four-way change-over valve 7, flow control valve 4, air evaporation/condenser 5, bidirectional throttling valve group 3, flow control valve 4, recirculated water evaporator 6, four-way change-over valve 7, gas-liquid separator 9, constitute cooling cycle system, with the heat energy pump that extracts in the recirculated water evaporator 6 to air evaporation/condenser 5, discharge to surrounding air.
2, refrigeration/heat supply combined cycle system: compressor bank 8 starts, to drive cold-producing medium flow through four-way change-over valve 7, flow control valve 4, evaporation/condenser tubes 2, bidirectional throttling valve group 3, flow control valve 4, recirculated water evaporator 6, four-way change-over valve 7, gas-liquid separator 9, constitute refrigeration/heat supply combined cycle system, discharge so that the heat energy pump that extracts in the recirculated water evaporator 6 is supplied water to heating to evaporation/condenser tubes 2 backs.
3, air conditioner circulating system: cold/hot water circulating pump 10 starts, to drive recirculated water 21 flow through recirculated water evaporator 6, water supply cross valve group 11, fan coil 17 systems, backwater cross valve group 12, cold/hot water circulating pump 10, constitute air conditioner loop, so that the evaporation of the heat absorption in the recirculated water evaporator 6 cold is flowed to fan coil 17 systems.
4, hot water cyclesystem: recirculated water 21 temperature in mixing heat, accumulation of heat, evaporator 1 are during greater than the heating supply water temperature of water heater 18, mixing water-circulating pump 13 starts, flow through and mix water triple valve group 14, water supply cross valve group 11, water heater 18 systems, backwater cross valve group 12, mixing tee valve group 16, mix heat, accumulation of heat, evaporator 1 to drive recirculated water 21, accumulation of heat and/or electrical heating with convection type acceptance from mixed heat, accumulation of heat, evaporator 1 are flowed to water heater 18 systems.
5, mix water circulation system: thermal-arrest circulation and heat supply circulation circulation in parallel, wherein from the thermal-arrest periodical feeding of thermal-arrest header 15, and mix samming after heat supply circulating backwater from backwater cross valve group 12 passes through mixing tee valve group 16.
Compared with prior art, advantage of the present invention is as follows:
1, by the sun, air, the complementary realization of electric heating three energy heating, air-conditioning, hot water three function synthesized utilization;
2, the preferred energy-saving scheme from 11 kinds of methods of operation according to geography and meteorological condition;
3, realize air-conditioning and hot-water combined supplying, make user's heat self-balancing, avoid outdoor thermal pollution;
4, evaporation/condenser tubes 2, phase-transition heat-storage pipe 22, electric heating tube 23 are incorporated in the recirculated water 21 that mixes heat, accumulation of heat, evaporator 1, utilize unified recirculated water 21 systems, reduce heat exchange link and environment heat waste, reduce manufacturing cost;
5, thermal-arrest loop, heat supplying loop, warming, air conditioning loop, hot-water return etc. form unified recirculated water 21 systems, recirculated water 21 in its whole pipelines, both as the sensible heat heat storage, again as the good hot media of thermal conductivity, reduce the heat transfer temperature difference of itself and evaporation/condenser tubes 2, phase-transition heat-storage pipe 22, electric heating tube 23, thereby improve system's coefficient of heat supply, make the present invention have the advantage of water-loop heat pump system concurrently;
6, by solar energy heat collection pipe 24, the thermal-arrest of phase-transition heat-storage pipe 22, accumulation of heat effect, make the thermal evaporation temperature of on average adopting of the sun heat pump circulating system or the sun, air combined heat pump circulating system be close to or higher than environment temperature, thereby improve system's coefficient of heat supply;
7, solar energy heating both can be used as heat supply, also can be used as the heat of adopting of sun heat pump circulating system, thereby realized the classification utilization of solar energy heating;
8, sun heat pump circulating system can be reduced to the temperature that approaches environment to heat-collecting temperature, thereby reduces the environment heat waste, improves solar energy heating efficient;
9, phase-change working substance is filled in the phase-transition heat-storage pipe 22, produces the air gap in the time of can alleviating the low and solidification shrinkage of its thermal conductivity factor filling/influence of rate of heat release; Also improve the thermal storage density of mixing in heat, accumulation of heat, the evaporator 1 simultaneously, its volume is reduced;
10, the operation of the sun, air combined heat pump circulating system makes the evaporation of air evaporation/condenser 5 adopt heat to reduce by half, and adopts the hot temperature difference thereby reduce, and reduces defrosting cycle-index and circulation timei, reduces the heating load loss;
11, under the prerequisite that heating, air-conditioning, hot water three function synthesizeds utilize, owing to realized the sun, air, electric heating three energy complementations, thereby make initial cost and the closing of running cost of the present invention in 15 years, far below air heat pump system, solar thermal collector, electric heater, the closing of investment when this three technology is realized heating, air-conditioning, hot water three functions respectively and running cost.
Embodiment
The heating, air conditioning, and water heating functions that the present invention proposes uses the embodiment of solar-air electric heating combined heat-pump system shown in accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, now be described as follows: in the mixed heat of diameter 800mm, the high 2500mm that is made by thick 1.2mm corrosion resistant plate, accumulation of heat, the evaporator 1, the import/export of diameter 10mm copper spiral evaporation/condensation coil pipe 2 forms sun side branch roads by bidirectional throttling valve group 3 and 2 flow control valves 4 respectively; Then with finned, the heat exchange area 40m of copper pipe cover aluminium
2The import/export of air evaporation/condenser 5, respectively by bidirectional throttling valve group 3 and 2 air side branch road parallel connections that flow control valve 4 forms; One end of this alternate path connects R22 side, four-way change-over valve 7, the vortex compressor group 8 of power 4.0kW, the gas-liquid separator 9 of the plate type heat exchanger 6 of stainless steel, heat exchange rate 14kW more in turn by pipeline, last link with the other end of this alternate path again, form the sun, air combined heat pump circulating system loop; The outlet of plate type heat exchanger 6 recirculated water sides is connected in water supply cross valve group 11 by pipeline, and backwater cross valve group 12 is connected in flow 3m by pipeline
3/ h, lift 14mH
2The import of the cold/hot water circulating pump 10 of O, plate type heat exchanger 6 recirculated water sides, the cooling/hot-water return of the formation combined heat-pump circulatory system; The mixed water side outlet that mixes heat, accumulation of heat, evaporator 1 is connected in flow 3m by pipeline
3/ h, lift 14mH
2The mixed water-circulating pump 13 of O, mixed water triple valve group 14 are mixed water triple valve group 14 and are connected in thermal-arrest header 15, mixing tee valve group 16, mix the mixing side-entrance of heat, accumulation of heat, evaporator 1 by pipeline again, form the thermal-arrest loop; The mixed water side outlet that mixes heat, accumulation of heat, evaporator 1 is connected in by pipeline and mixes water-circulating pump 13, mixes water triple valve group 14, mix water triple valve group 14 and be connected in water supply cross valve group 11 by pipeline again, and backwater cross valve group 12 is connected in mixing tee valve group 16, mixes the mixing side-entrance of heat, accumulation of heat, evaporator 1 by pipeline, forms heat supplying loop; Water supply cross valve group 11 is connected in fan coil 17 systems, backwater cross valve group 12 by pipeline, forms heating, air-conditioning cold/hot water loop; Water supply cross valve group 11 is connected in stainless steel hot water coil 19, the backwater cross valve group 12 of diameter 10mm in diameter 300mm that thick 1.2mm corrosion resistant plate makes, long 800mm water heater 18 systems by pipeline, forms the heating water supply loop; The diameter 15mm level pressure pipe of the level pressure of volume 201, expansion drum 20 becomes 2 the tunnel to be connected to the outlet of thermal-arrest header 15 and the inlet of cold/hot water circulating pump 10.Mix in the recirculated water 21 in heat, accumulation of heat, the evaporator 1, evenly arranging that 2,400 diameter 32mm of evaporation/condenser tubes of the R22 that circulates fill stainless steel phase-transition heat-storage straight tube 22, the electric heating tube 23 of 30 ℃ of paraffin of fusing point simultaneously.Solar radiation heat that thermal-arrest header 15 collects is provided by the heat-tube vacuum cast solar energy heat collection pipe 24 of 110 parallel alternate, long 2000mm, diameter 100mm, and solar energy heat collection pipe 24 keeps 10 by the sealing-in of wall thickness 2.5mm high-boron-silicon glass pipe
-3Pa pressure, wherein the glass light transmittance 0.87, the inner aluminum extinction fin that adopts the copper heat pipe to wrap up in wide 92mm, long 1950mm outward, the 12mm joint that the sunshine absorptivity 0.92 on fin selective absorption surface, infrared emittance 0.8, heat pipe are stretched out solar energy heat collection pipe 24 sealing ends inserts in the heat transfer aluminium block jack of thermal-arrest header 15 by heat-conducting glue.1 choke valve 27 and 1 non-return valve 28 reverse parallel connection are formed the one-way throttle valve group; 2 groups of one-way throttle valve groups are pressed homotype valve differential concatenation again, 2 groups of middle 1 devices for drying and filtering 29 of also connecting, thus form bidirectional throttling valve group 3.The air side of air evaporation/condenser 5 drives low noise axial fan 26 by motor 25.The embodiment of the invention is penetrated radiation intensity 700W/m entirely at the per day sun
2, 8 hours sunshine-durations, per day ambient air temperature-10 ℃ meteorological condition under, during 55 ℃ of periodical feeding 21 temperature, that can realize heating, hot water heats power 18.0kW, coefficient of heat supply 4.0, total input electric power 4.5kW is apart from unit 1m place operation noise 60dB, operating weight 200kg.The embodiment of the invention is penetrated radiation intensity 700W/m entirely at the per day sun
2, 8 hours sunshine-durations, 35 ℃ of per day ambient air temperatures meteorological condition under, during 55 ℃ of periodical feeding 21 temperature, can realize air conditioner refrigerating power 13.5kW, hot water heating power 4.8kW, coefficient of refrigerating performance COP3.0, total input electric power 4.5kW.
Claims (7)
1, a kind of by compressor, cold-producing medium-water evaporator, cold-producing medium-air evaporation/condenser, choke valve, four-way change-over valve, air-hydro-thermal pumping system that fan coil etc. are formed, it is characterized in that: this heating, air conditioning, and water heating functions is with in the solar-air electric heating combined heat-pump system, mix heat, accumulation of heat, the import/export of evaporation/condenser tubes (2) forms sun side branch road by bidirectional throttling valve group (3) and 2 flow control valves (4) respectively in the evaporator (1), in parallel by the air side branch road that bidirectional throttling valve group (3) and 2 flow control valves (4) form respectively with the import/export of air evaporation/condenser (5) then, one end of alternate path connects the refrigerant side of recirculated water evaporator (6) more in turn by pipeline, four-way change-over valve (7), compressor bank (8), gas-liquid separator (9), last link with the other end of this alternate path again, form the sun, air, electric heating combined heat-pump system loop; The outlet of recirculated water evaporator (6) recirculated water side is connected in water supply cross valve group (11) by pipeline, and backwater cross valve group (12) is connected in the import of cold/hot water circulating pump (10), recirculated water evaporator (6) recirculated water side by pipeline, forms combined heat-pump system cooling/hot-water return; The mixed water side outlet that mixes heat, accumulation of heat, evaporator (1) is connected in mixed water-circulating pump (13), mixes water triple valve group (14) by pipeline, mix water triple valve group (14) and be connected in thermal-arrest header (15), mixing tee valve group (16), mix the mixing side-entrance of heat, accumulation of heat, evaporator (1) by pipeline again, form the thermal-arrest loop; The mixed water side outlet that mixes heat, accumulation of heat, evaporator (1) is connected in mixed water-circulating pump (13), mixes water triple valve group (14) by pipeline, mix water triple valve group (14) and be connected in water supply cross valve group (11) by pipeline again, and backwater cross valve group (12) is connected in mixing tee valve group (16), mixes the mixing side-entrance of heat, accumulation of heat, evaporator (1) by pipeline, forms heat supplying loop; Water supply cross valve group (11) is connected in fan coil (17) system, backwater cross valve group (12) by pipeline, forms heating, air-conditioning cold/hot water loop; Water supply cross valve group (11) is connected in hot-water coil pipe (19), backwater cross valve group (12) in water heater (18) system by pipeline, forms to add hot-water return; The level pressure pipe of level pressure, expansion drum (20) becomes 2 the tunnel to be connected to the outlet of thermal-arrest header (15) and the inlet of cold/hot water circulating pump (10).
2, according to claim 1, described solar-air electric heating combined heat-pump system, it is characterized in that: mix in the recirculated water (21) in heat, accumulation of heat, the evaporator (1), evenly arranging the evaporation/condenser tubes (2) of the cold-producing medium that circulates, phase-transition heat-storage pipe (22), the electric heating tube (23) of filling phase-change working substance simultaneously; Wherein evaporation/condenser tubes (2) and phase-transition heat-storage pipe (22) can be straight tubes, also spiral coil; Phase-change working substance is phase transition temperature 6-66 ℃ crystalline hydrate salt, paraffin, ester acid.
3, according to claim 1, described solar-air electric heating combined heat-pump system, it is characterized in that: thermal-arrest header (15) collects solar radiation can be realized by thermal-collecting tube (24) by parallel alternate heat-tube vacuum cast of 1-10000 root or full glass vacuum tube type solar.
4, according to claim 1, described solar-air electric heating combined heat-pump system, it is characterized in that: the air side of air evaporation/condenser (5) drives blower fan (26) by motor (25).
5, according to claim 1, described solar-air electric heating combined heat-pump system, it is characterized in that: 1 choke valve (27) and 1 non-return valve (28) reverse parallel connection, form the one-way throttle valve group; 2 groups of one-way throttle valve group valve differential concatenations of the same type again, 2 groups of middle 1 devices for drying and filtering (29) of also connecting, thus form bidirectional throttling valve group (3).
6, according to claim 1, described solar-air electric heating combined heat-pump system, it is characterized in that: the electric heating tube (23) that mixes in heat, accumulation of heat, the evaporator (1) can save.
7, according to claim 1, described solar-air electric heating combined heat-pump system, it is characterized in that: the heating water supply loop of being made up of the hot-water coil pipe (19) in the water heater (18) can save.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01117295 CN1131400C (en) | 2001-04-30 | 2001-04-30 | Solar, air, electric heating combined heat-pump system for heating, air-conditioning and heating water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01117295 CN1131400C (en) | 2001-04-30 | 2001-04-30 | Solar, air, electric heating combined heat-pump system for heating, air-conditioning and heating water |
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| CN1321866A CN1321866A (en) | 2001-11-14 |
| CN1131400C true CN1131400C (en) | 2003-12-17 |
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| CN 01117295 Expired - Fee Related CN1131400C (en) | 2001-04-30 | 2001-04-30 | Solar, air, electric heating combined heat-pump system for heating, air-conditioning and heating water |
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| CN104006574B (en) * | 2014-05-23 | 2016-08-24 | 清华大学 | A kind of composite solar air source heat pump |
| CN105333492B (en) * | 2014-06-17 | 2018-06-26 | 青岛经济技术开发区海尔热水器有限公司 | Heat source control method of multi-heat-source heat supply system |
| CN104251573B (en) * | 2014-09-04 | 2017-01-11 | 清华大学 | Single-evaporator-type solar energy and air source combined heat pump and running method thereof |
| CN105135562A (en) * | 2015-07-28 | 2015-12-09 | 侴乔力 | Upward air curtain multi-union type heat pump air conditioner driven through air solar composite source |
| CN105003987A (en) * | 2015-07-28 | 2015-10-28 | 侴乔力 | Upward air curtain split heat pump air conditioner driven by air-solar hybrid source |
| CN107435970A (en) * | 2016-05-26 | 2017-12-05 | 香江科技股份有限公司 | A kind of phase-change accumulation energy double evaporators solar heat pump heating system and its control method |
| CN106440514A (en) * | 2016-11-18 | 2017-02-22 | 英豪阳光（北京）节能科技服务有限公司 | Solar air source heat pump equipment |
| CN106969395A (en) * | 2017-03-31 | 2017-07-21 | 广东工业大学 | A kind of heat accumulating type air source heat pump directly coagulates formula ground heating system |
| CN108507211B (en) * | 2018-02-05 | 2023-11-14 | 烟台大学 | Heat pump integrated device integrating heat supply, air conditioning, hot water and drying |
-
2001
- 2001-04-30 CN CN 01117295 patent/CN1131400C/en not_active Expired - Fee Related
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| CN1321866A (en) | 2001-11-14 |
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