Summary of the invention
The object of the present invention is to provide the compound changes in temperature domestic hot-water one unit of a kind of solar energy and water-cooled air cooled heat pump, be intended to solve in the prior art that the heat exchange efficiency that uses air-cooled heat pump central air-conditioning or water cooled central air conditioner unit to bring separately is low, energy consumption is large, noise is large, be subjected to that the region water quality impact can not use, the heat production water yield is few, taking up room too much reaches the high problem of construction costs.
The present invention realizes like this.
The changes in temperature domestic hot-water one unit that a kind of solar energy and water-cooled air cooled heat pump are compound, it is characterized in that: compressor 1 usefulness pipeline successively with the second cross valve 18, the first cross valve 17, the first outdoor heat exchanger 2, the first magnetic valve 19, the first device for drying and filtering 20, the first heating power expansion valve 21, the 3rd check valve 27, air-conditioning side heat exchanger 4, the second cross valve 18, gas-liquid separator 3 connects, described the first outdoor heat exchanger 2 fluorine road systems and the second outdoor heat exchanger 16 fluorine road systems are connected in parallel, described the first outdoor heat exchanger 2 water circuit systems with pipeline successively with the 4th waterway electromagnetic valve 13, the 3rd water circulating pump 9, attemperater 5, the second water circulating pump 8 is connected in series, described attemperater 5 usefulness pipelines successively with solar thermal collector 6, the first water circulating pump 7 is connected in series, described the second water circulating pump 8 and the first waterway electromagnetic valve 10 are connected in parallel, described the 3rd water circulating pump 9 and the second waterway electromagnetic valve 11 are connected in parallel, described the second outdoor heat exchanger 16 water circuit systems with pipeline successively with the 3rd waterway electromagnetic valve 12, the second outdoor heat exchanger 16, check valve 14 connects and the first outdoor heat exchanger 2 water-cooling systems are connected in parallel, described the second outdoor heat exchanger 16 is by blower fan 15 heat radiations, described the first magnetic valve 19, the first device for drying and filtering 20, the first heating power expansion valve 21 and the second heating power expansion valve 22, the second device for drying and filtering 23, the second magnetic valve 24 is connected in parallel, described the 3rd check valve 27 and reservoir 25, the second check valve 26 is connected in parallel.
Above-mentioned the first outdoor heat exchanger 2 adopts plate type heat exchanger, double pipe heat exchanger, the shell and tube exchanger of cold water heat exchange.
Above-mentioned the second outdoor heat exchanger 16 adopts finned heat exchanger.
Above-mentioned solar thermal collector 6 adopts flat-plate solar heat collector, vacuum tube solar heating element, ceramic solar energy collector.
Above-mentioned air-conditioning side heat exchanger 4 adopts plate type heat exchanger, double pipe heat exchanger, shell and tube exchanger or the finned heat exchanger of cold water heat exchange.
Above-mentioned the first outdoor heat exchanger 2 connects water-cooled side feed pipe, water-cooled side water circulating pump, water-cooled side backwater main.
Air-conditioning side heat exchanger connected air-conditioning side feed pipe, air-conditioning side water circulating pump, air-conditioning side backwater main and air-conditioning side tail-end blower fan coil pipe when above-mentioned air-conditioning side heat exchanger 4 adopted the cold water heat exchange.
Adopt technique scheme, the present invention is parallel to solar thermal collector, the second outdoor heat exchanger and the first outdoor heat exchanger in the same system, and when be used for the lack of water Arid Area season of freezing, the second outdoor heat exchanger was as condenser, open the heat radiation of the second outdoor heat exchanger, the refrigerant heat release; When being used for having abundant water resources the area, open the first outdoor heat exchanger, utilize that recirculated water carries out heat exchange with refrigerant in the water cooling heat exchanger, refrigerant condensation heat release, Energy Efficiency Ratio raising; Heating season utilizes the second outdoor heat exchanger or the first outdoor heat exchanger as evaporimeter, and refrigerant is evaporation endothermic in the second outdoor heat exchanger or the first outdoor heat exchanger, and the heat release of air-conditioning side heat exchanger improves room temperature, satisfies user's heating demand, high-efficiency environment friendly.
The present invention also has been provided with solar thermal collector and water tank simultaneously, be combined with the second outdoor heat exchanger and the first outdoor heat exchanger, described solar thermal collector is connected with water tank by pipeline, utilizes solar thermal collector to absorb in the solar energy water at low temperature in the heat heating water tank, obtains the domestic hot-water; When air-conditioning side heat exchanger freezed, heat can be by water at low temperature in the circulating water heating water tank in the first outdoor heat exchanger; When the heating of air-conditioning side heat exchanger, the second outdoor heat exchanger or the first outdoor heat exchanger can be drawn hot water heat in the water tank by pipeline, improve evaporating temperature, promote that refrigerant evaporation is complete, improve efficiency, also can by hot water defrosting in the water tank, prevent the second outdoor heat exchanger frosting; Simultaneously, the user can freely be switched air-cooled or the water-cooled pattern is combined with solar thermal collector according to own demand, can reach the optimum state that unit utilizes, and at utmost improves Energy Efficiency Ratio, and conserve space reduces noise, reduces the initial investment cost.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Please refer to Fig. 1, its compressor 1 usefulness pipeline successively with the second cross valve 18, the first cross valve 17, the first outdoor heat exchanger 2, the first magnetic valve 19, the first device for drying and filtering 20, the first heating power expansion valve 21, the 3rd check valve 27, air-conditioning side heat exchanger 4, the second cross valve 18, gas-liquid separator 3 connects, described the first outdoor heat exchanger 2 fluorine road systems and the second outdoor heat exchanger 16 fluorine road systems are connected in parallel, described the first outdoor heat exchanger 2 water circuit systems with pipeline successively with the 4th waterway electromagnetic valve 13, the 3rd water circulating pump 9, attemperater 5, the second water circulating pump 8 is connected in series, described attemperater 5 usefulness pipelines successively with solar thermal collector 6, the first water circulating pump 7 is connected in series, described the second water circulating pump 8 and the first waterway electromagnetic valve 10 are connected in parallel, described the 3rd water circulating pump 9 and the second waterway electromagnetic valve 11 are connected in parallel, described the second outdoor heat exchanger 16 water circuit systems with pipeline successively with the 4th waterway electromagnetic valve 13, the second outdoor heat exchanger 16, the first check valve 14 connects and the first outdoor heat exchanger 2 water-cooling systems are connected in parallel, described the second outdoor heat exchanger 16 is by blower fan 15 heat radiations, described the first magnetic valve 19, the first device for drying and filtering 20, the first heating power expansion valve 21 and the second heating power expansion valve 22, the second device for drying and filtering 23, the second magnetic valve 24 is connected in parallel, described the 3rd check valve 27 and the second check valve 26, reservoir 25 is connected in parallel, the refrigerant of a sealing of all pipelines formation is the air-conditioning system of cycle operation therein, finish the compound of solar energy and water-cooled air cooled heat pump, realize heating, refrigeration and produce domestic hot-water's function.
See also Fig. 1, described the first outdoor heat exchanger 2 adopts plate type heat exchanger, double pipe heat exchanger, the shell and tube exchanger of cold water heat exchange.Described the first outdoor heat exchanger 2, it is connected to the first outdoor heat exchanger composition water circuit system by the 3rd water circulating pump 9, the second waterway electromagnetic valve 11, the 4th waterway electromagnetic valve 13, the second water circulating pump 8, the first waterway electromagnetic valve 10, the first outdoor heat exchanger water inlet pipe and the first outdoor heat exchanger outlet pipe and carries out exchange heat.
See also Fig. 1, described the second outdoor heat exchanger 16, it is connected in parallel by water route the 3rd magnetic valve 12, the first check valve 14, the second outdoor heat exchanger water inlet pipe and the second outdoor heat exchanger outlet pipe and the first outdoor heat exchanger 2 and forms water circuit system and carry out exchange heat.
See also Fig. 1, described solar thermal collector 6 adopts flat-plate solar heat collector, vacuum tube solar heating element, ceramic solar energy collector.Described solar thermal collector 6, it is connected to attemperater composition water circuit system by the first water circulating pump 7, attemperater water inlet pipe and attemperater outlet pipe and carries out exchange heat.
See also Fig. 1, described air-conditioning side heat exchanger 4 adopts plate type heat exchanger, double pipe heat exchanger, shell and tube exchanger or the finned heat exchanger of cold water heat exchange.When the plate type heat exchanger of described air-conditioning side heat exchanger 4 employing cold water heat exchange, double pipe heat exchanger, shell and tube exchanger, it is connected to indoor fan coil pipe composition water circuit system by respective cycle water pump, air-conditioning side heat exchanger water inlet pipe and air-conditioning side heat exchanger outlet pipe and carries out exchange heat.When described air-conditioning side heat exchanger 4 adopted finned heat exchanger, directly by fluorine road system, refrigerant directly carried out exchange heat in finned heat exchanger for it.
Present embodiment has following five kinds of operating modes, in these five kinds of duties, described air-conditioning side heat exchanger 4 is finned heat exchanger, and described the first outdoor heat exchanger 2 is plate type heat exchanger, described the second outdoor heat exchanger 16 is finned heat exchanger, and described solar thermal collector is flat-plate solar heat collector.
One, air conditioner refrigerating operation (operating mode 1)
See also Fig. 1, behind the compound changes in temperature domestic hot-water all-in-one winding energize of solar energy and water-cooled air cooled heat pump, compressor 1 is by the second cross valve 18, the first cross valve 17, pipeline connects between the first outdoor heat exchanger 2, refrigerant enters into the first outdoor heat exchanger 2, the 3rd water circulating pump 9, the first water route waterway electromagnetic valve 10, the 4th water route waterway electromagnetic valve 13 is opened, recirculated water carries out heat exchange with refrigerant in the first outdoor heat exchanger 2, refrigerant heat release condensation, the recirculated water output water temperature rises, get back to attemperater by return pipe, refrigerant is successively by the first magnetic valve 19 after finishing condensation, the first device for drying and filtering 20,21 throttlings of the first heating power expansion valve, refrigerant is by the 3rd check valve 27 after the throttling, air-conditioning side heat exchanger 4, refrigerant is evaporation endothermic in air-conditioning side heat exchanger 4, indoor temperature reduces, refrigerant was by the second cross valve 18 after evaporation was finished, gas-liquid separator 3 is got back in the compressor 1, enters into next circulation.
In the described circulation, the first waterway electromagnetic valve 10, the 4th waterway electromagnetic valve 13, the first magnetic valve 19 are opened, and the second waterway electromagnetic valve 11, the 3rd waterway electromagnetic valve 12, the second magnetic valve 24 are closed.
Two, air conditioner refrigerating operation (operating mode 2)
See also Fig. 1, behind the compound changes in temperature domestic hot-water all-in-one winding energize of solar energy and water-cooled air cooled heat pump, compressor 1 is by the second cross valve 18, the first cross valve 17, pipeline connects between the second outdoor heat exchanger 16, refrigerant enters into the second outdoor heat exchanger 16, blower fan 15 is opened, refrigerant carries out heat exchange with air in the second outdoor heat exchanger 16, refrigerant heat release condensation, refrigerant is successively by the first magnetic valve 19 after finishing condensation, the first device for drying and filtering 20,21 throttlings of the first heating power expansion valve, refrigerant is by the 3rd check valve 27 after the throttling, air-conditioning side heat exchanger 4, refrigerant is evaporation endothermic in air-conditioning side heat exchanger 4, indoor temperature reduces, refrigerant was by the second cross valve 18 after evaporation was finished, gas-liquid separator 3 is got back in the compressor 1, enters into next circulation.
In the described circulation, the first magnetic valve 19 is opened, and the first waterway electromagnetic valve 10, the second waterway electromagnetic valve 11, the 3rd waterway electromagnetic valve 12, the 4th waterway electromagnetic valve 13, the second magnetic valve 24 are closed.
Three, air-conditioning heating operation (operating mode 1)
See also Fig. 1, behind the compound changes in temperature domestic hot-water all-in-one winding energize of solar energy and water-cooled air cooled heat pump, compressor 1 is by the second cross valve 18, air-conditioning side heat exchanger 4, refrigerant enters into the 4 condensation heat releases of air-conditioning side heat exchanger, indoor temperature rises, pass through reservoir 25 after the refrigerant condensation, the second check valve 26, the second magnetic valve 24, the second device for drying and filtering 23, the second heating power expansion valve 22, enter into 22 throttlings of the second heating power expansion valve, refrigerant enters into the first outdoor heat exchanger 2 after the throttling, the second water circulating pump 8, the 4th waterway electromagnetic valve 13, the second waterway electromagnetic valve 11 starts, refrigerant carries out the exchange heat evaporation with recirculated water in the first outdoor heat exchanger 2, the refrigerant heat absorption, recirculated water is got back in the attemperater after by water return pipeline, after evaporation is finished, refrigerant is by the first cross valve 17, gas-liquid separator 3 is got back in the compressor 1, enters into next circulation.
In the described circulation, the 4th waterway electromagnetic valve 13, the second waterway electromagnetic valve 11, the second magnetic valve 24 are opened, and the first waterway electromagnetic valve 10, the 3rd waterway electromagnetic valve 12, the first magnetic valve 19 are closed.
Four, air-conditioning heating operation (operating mode 2)
See also Fig. 1, behind the compound changes in temperature domestic hot-water all-in-one winding energize of solar energy and water-cooled air cooled heat pump, compressor 1 is by the second cross valve 18, air-conditioning side heat exchanger 4, refrigerant enters into the 4 condensation heat releases of air-conditioning side heat exchanger, indoor temperature rises, pass through reservoir 25 after the refrigerant condensation, the second check valve 26, the second magnetic valve 24, the second device for drying and filtering 23, the second heating power expansion valve 22, enter into 22 throttlings of the second heating power expansion valve, refrigerant enters into the second outdoor heat exchanger 16 after the throttling, the second water circulating pump 8, the second waterway electromagnetic valve 12, the second waterway electromagnetic valve 11 starts, refrigerant carries out the exchange heat evaporation with recirculated water in the second outdoor heat exchanger 2, the refrigerant heat absorption, recirculated water is got back in the attemperater after by the first check valve 14 and water return pipeline, after evaporation is finished, refrigerant is by the first cross valve 17, gas-liquid separator 3 is got back in the compressor 1, enters into next circulation.
In the described circulation, the second waterway electromagnetic valve 12, the second waterway electromagnetic valve 11, the second magnetic valve 24 are opened, and the first waterway electromagnetic valve 10, the 4th waterway electromagnetic valve 13, the first magnetic valve 19 are closed.
Five, domestic hot-water's operation
See also Fig. 1, behind the compound changes in temperature domestic hot-water all-in-one winding energize of solar energy and water-cooled air cooled heat pump, solar thermal collector 6 absorbs heat in the sunray, the first water circulating pump 7 is opened, by the circulation line between attemperater and the solar thermal collector, the solar heat of absorption constantly heats water at low temperature in the attemperater.Only 6 pairs of Water in Water Tanks heating of solar heat collector during air cooling way.When heating, solar thermal collector 6 absorbs heat in the sunray, and circulating pump 7 is opened, and the heat of absorption constantly heats Water in Water Tanks, enters into next circulation.
In the described circulation, during air conditioner refrigerating operation (operating mode 1), the first outdoor heat exchanger 2 absorbs heat in the refrigerant, and with water heating in the attemperater, during air conditioner refrigerating operation (operating mode 2), only water at low temperature heats in 6 pairs of attemperaters of solar thermal collector by recirculated water.
In the described circulation, during air-conditioning heating operation (operating mode 1), the first outdoor heat exchanger 2 absorbs part hot water thermal amount in the attemperater, satisfy the refrigerant evaporation heat absorption, during air-conditioning heating operation (operating mode 2), the second outdoor heat exchanger 16 can absorb part hot water thermal amount in the attemperater, satisfies refrigerant evaporation heat absorption or defrosting and uses.
In the above-mentioned circulation, during air-conditioning heating operation (operating mode 2), the condition that the second outdoor heat exchanger 16 can absorb part hot water thermal amount in the attemperater is that the second outdoor heat exchanger 16 fan radiatings can not satisfy the evaporation requirement or the second outdoor heat exchanger 16 has frosting.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.