The utility model content
The technical problems to be solved in the utility model is, a kind of earth source heat pump unit that full recuperation of heat is provided that the domestic hot-water can be provided in the time need not to freeze or heat is provided.
The technical solution of the utility model is, a kind of earth source heat pump unit that full recuperation of heat is provided with following structure is provided, comprise by first compressor, first four-way change-over valve, thermal source side plate change, first refrigerant-cycle systems and domestic hot-water's heat exchanger of throttle capillary tube, the load side plate changes and connecting pipe is formed sealing; It also comprises second compressor, second four-way change-over valve, refrigeration magnetic valve, expansion valve, heat magnetic valve, be located at second heat exchanger of heat source of thermal source side plate in changing, be located at the second load heat exchanger of load side plate in changing; The second load heat exchanger that second heat exchanger of heat source, expansion valve, the load side plate that described second compressor, second four-way change-over valve, domestic hot-water's heat exchanger, refrigeration magnetic valve, thermal source side plate change changes, heat second refrigerant-cycle systems that magnetic valve and connecting pipe are formed sealing.
After adopting above structure, the utility model compared with prior art, have the following advantages: because second compressor, second four-way change-over valve, domestic hot-water's heat exchanger, the refrigeration magnetic valve, second heat exchanger of heat source that the thermal source side plate changes, expansion valve, the second load heat exchanger that the load side plate changes, heat magnetic valve and connecting pipe and form second refrigerant-cycle systems of sealing, can provide also in the time need not to freeze or heat like this that the domestic hot-water's can provide the domestic hot-water, promptly freeze or heat not starting first refrigerant-cycle systems, but come to provide the domestic hot-water to the user by second refrigerant-cycle systems, as at transition season (for example spring and autumn), and the power of second compressor is less than first compressor, promptly reduced the consumption of electric energy, simultaneously because domestic hot-water's heat exchanger is located at the high temperature heat source section of the blast pipe between second exhaust outlet of compressor and second four-way change-over valve, so, the hot water temperature's height that comes out, heat supply water satisfactory for result, and be not subject to seasonal restrictions substantially, making equipment is that the user brings higher additional benefit.Simultaneously owing to be that (the utility model refers to heat exchanger of heat source when freezing advancing condenser, refer to the heat exchanger of loading when heating) in the past the second compressor high-temperature exhaust air increase was once dispelled the heat, so, to consumption and the raising refrigerating efficiency that reduces electric energy, produce desirable effect, promptly reduced the consumption of electric energy, having improved refrigerating efficiency is ability.Because the cold-producing medium in the residing plate type heat exchanger of life water heat exchanger is a high temperature refrigerant, can make domestic hot-water's temperature can reach higher temperature simultaneously.
Description of drawings
Accompanying drawing 1 is the left back TV structure schematic diagram that the earth source heat pump unit of full recuperation of heat is provided of the present utility model.
Accompanying drawing 2 is the right front TV structure schematic diagram that the earth source heat pump unit of full recuperation of heat is provided of the present utility model.
As shown in the figure: 1, first compressor, 2, first four-way change-over valve, 3, throttle capillary tube, 4, domestic hot-water's heat exchanger, 5, the thermal source side plate changes, 6, the load side plate change 7, second compressor, 8, second four-way change-over valve, 9, refrigeration magnetic valve, 10, expansion valve, 11, heat magnetic valve, 12, life water-to-water heat exchanger water inlet pipe interface, 13, life water-to-water heat exchanger outlet pipe interface, 14, thermal source side plate swap-in waterpipe jointing, 15, the thermal source side plate waterpipe jointing that swaps out, 16, load side plate swap-in waterpipe jointing, 17, the load side plate waterpipe jointing that swaps out.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, the earth source heat pump unit that full recuperation of heat is provided of the present utility model, comprise by first compressor 1, first four-way change-over valve 2, thermal source side plate change 5, throttle capillary tube 3, load side plate change 6 and first refrigerant-cycle systems and domestic hot-water's heat exchanger 4 of the sealing formed of connecting pipe.The earth source heat pump unit of full recuperation of heat that provides of the present utility model also comprises second compressor 7, second four-way change-over valve 8, refrigeration magnetic valve 9, expansion valve 10, heat magnetic valve 11, be located at the thermal source side plate and change the 5 second interior heat exchanger of heat source, be located at the load side plate and change the 6 second interior load heat exchangers, described second compressor 7, second four-way change-over valve 8, domestic hot-water's heat exchanger 4, refrigeration magnetic valve 9, the thermal source side plate changes 5 second heat exchanger of heat source, expansion valve 10, the load side plate changes 6 the second load heat exchanger, heat magnetic valve 11 and connecting pipe and form second refrigerant-cycle systems of sealing.That is to say, described thermal source side plate changes and is provided with first heat exchanger of heat source and second heat exchanger of heat source in 5, described load side plate changes 6 and also is provided with the first load heat exchanger and the second load heat exchanger, described first heat exchanger of heat source is connected with first cooling cycle system with the first load heat exchanger, and described second heat exchanger of heat source is connected with second cooling cycle system with the second load heat exchanger.Domestic hot-water's heat exchanger 4 is located on the heating pipe of the exhaust outlet of second compressor 7 and second four-way change-over valve 8, the water inlet of domestic hot-water's heat exchanger 4, water outlet direction are opposite with the exhaust flow of refrigerant direction of first cooling cycle system, promptly in domestic hot-water's heat exchanger 4, refrigerant flow direction is to flow from top to bottom, and the flow direction of water is to flow from the bottom up.Domestic hot-water's heat exchanger 4 is provided with life water-to-water heat exchanger water inlet pipe interface 12 and life water-to-water heat exchanger outlet pipe interface 13, the thermal source side plate changes 5 and is provided with thermal source side plate swap-in waterpipe jointing 14 and the thermal source side plate waterpipe jointing 15 that swaps out, and the load side plate changes 6 and is provided with load side plate swap-in waterpipe jointing 16 and the load side plate waterpipe jointing 17 that swaps out.Described domestic hot-water's circulatory system comprises domestic hot-water's heat exchanger 4, certainly also comprise and be located at unit outer water pump and the pipeline that links to each other with user domestic hot-water water tank, certainly, described groundwater circle system also comprises is located at outer water pump of unit and the water-in and water-out pipeline that is communicated with underground water, and described water-in and water-out pipeline is communicated with the water inlet pipe interface and the outlet pipe interface of the groundwater circle system of unit respectively.Described load water circulation system also comprise certainly be located at the outer water pump of unit and with the water-in and water-out pipeline of the cross current of indoor heat exchanger, described water-in and water-out pipeline is communicated with the water inlet pipe interface and the outlet pipe interface of the load water circulation system of unit respectively.The water pipe of indoor heat exchanger (indoor set) also is provided with cold scattering or cooling fan outward.
The operation principle of the earth source heat pump unit that full recuperation of heat is provided of the present utility model is following to comprise following five kinds of patterns: refrigeration mode, heating mode, refrigeration heating recovery pattern, heat heating recovery pattern, single heat recovery mode.
Under the refrigerating operaton pattern, second compressor 7 starts, refrigeration magnetic valve 9 is opened, heating magnetic valve 11 closes, after cold-producing medium such as freon come out from second compressor 7, through blast pipe, second four-way change-over valve 8 enters domestic hot-water's heat exchanger 4, after coming out through the refrigeration magnetic valve 9, arrive the thermal source side plate and change 5 heat exchange, this moment, heat exchanger of heat source was that the heat source side plate changes 5 what play is the condenser effect, and freon cools off after 10 throttlings of overexpansion valve, enter the load side plate and change 6 heat exchange, what the heat exchanger of loading this moment play is the evaporimeter effect, and then returns second compressor 7 through second four-way change-over valve 8, so circulation.While cooling cycle system 2, after cold-producing medium such as freon come out from first compressor 1, enter the thermal source side plate through blast pipe, first four-way change-over valve 2 and change 5 heat exchange, after the freon cooling through big 3 throttlings of throttle capillary tube, enter the load side plate and change 6 heat exchange, what the heat exchanger of loading this moment play is the evaporimeter effect, and then returns first compressor 1 through first four-way change-over valve 2, so circulation.Under this duty, water pump draws up underground water with returning and takes away i.e. 5 the heat of condenser down, also is that the heat source side plate changes 5 heat of abandoning that produce to recharge the source, ground be in the underground water; Simultaneously water pump will change cold that 6 cooled load water promptly produce and deliver to indoor (machine) and through blower fan cold air is diffused into the indoor user of offering and use with cooling through the evaporimeter side plate of promptly loading.
Under the heating operation pattern, second compressor 7 starts, and refrigeration magnetic valve 9 cuts out, and heats magnetic valve 11 and opens, after cold-producing medium such as freon come out from second compressor 7, enter domestic hot-water's heat exchanger 4 through blast pipe, second four-way change-over valve 8, through heating magnetic valve 11, side plate changes 6 to loading after coming out, the freon cooling is after 10 throttlings of overexpansion valve, enter the thermal source side plate and change 5 heat exchange, and then return second compressor 7, so circulation through second four-way change-over valve 8.While cooling cycle system 2, after cold-producing medium such as freon come out from first compressor 1, through blast pipe, first four-way change-over valve 2 enters the load side plate and changes 6 heat exchange, after the freon cooling through big 3 throttlings of throttle capillary tube, enter the thermal source side plate and change 5 heat exchange, what the heat exchanger of loading this moment play is the evaporimeter effect, and then return first compressor 1 through first four-way change-over valve 2, so circulation simultaneously water pump will deliver to indoor (machine) and hot gas will be diffused into the indoor user of offering and use through condenser promptly load the heat that the load water of side plate after changing 6 heating promptly produces of heat exchanger of promptly loading to heat up through blower fan.
Under above refrigerating operaton pattern and heating operation pattern, domestic hot-water's heat exchanger 4 is not opened running with the water pump on the continuous pipeline of user domestic hot-water water tank.
What introduce below is in the operation principle of being with heat recovery mode.
Under refrigerating operaton heating recovery pattern, second compressor 7 starts, refrigeration magnetic valve 9 is opened, heating magnetic valve 11 closes, after cold-producing medium such as freon come out from second compressor 7, through blast pipe, second four-way change-over valve 8 enters domestic hot-water's heat exchanger 4, after coming out through the refrigeration magnetic valve 9, arrive the thermal source side plate and change 5 heat exchange, this moment, heat exchanger of heat source was that the heat source side plate changes 5 what play is the condenser effect, and freon cools off after 10 throttlings of overexpansion valve, enter the load side plate and change 6 heat exchange, what the heat exchanger of loading this moment play is the evaporimeter effect, and then returns second compressor 7 through second four-way change-over valve 8, so circulation.While first refrigeration system, after cold-producing medium such as freon come out from first compressor 1, enter the thermal source side plate through blast pipe, first four-way change-over valve 2 and change 5 heat exchange, after the freon cooling through big 3 throttlings of throttle capillary tube, enter the load side plate and change 6 heat exchange, what the heat exchanger of loading this moment play is the evaporimeter effect, and then returns first compressor 1 through first four-way change-over valve 2, so circulation.Under this duty, water pump draws up underground water and returns that to take away condenser down be that the heat source side plate changes 5 heat, also is that the heat source side plate changes 5 heat of abandoning that produce to recharge the source, ground be in the underground water; Simultaneously water pump will change cold that 6 cooled load water promptly produce and deliver to indoor (machine) and through blower fan cold air is diffused into the indoor user of offering and use with cooling through the evaporimeter side plate of promptly loading; Key is that the water pump that controller can be controlled on the pipeline that domestic hot-water's heat exchanger 4 links to each other with user domestic hot-water water tank starts working, to be fed to domestic hot-water's water tank of user from the high temperature freon that second compressor 7 is discharged through the water after the heat exchange at domestic hot-water's heat exchanger 4, provide free domestic hot-water to the user, because under refrigeration mode, the heat of abandoning that should be recharged the source, ground is fully utilized, be used for providing free domestic hot-water, accomplish also to have reduced simultaneously the operate power of unit in the refrigeration that does not influence the user to the user.
Heating under the band recuperation of heat operational mode, second compressor 7 starts, refrigeration magnetic valve 9 cuts out, and heats magnetic valve 11 and opens, after cold-producing medium such as freon come out from second compressor 7, enter domestic hot-water's heat exchanger 4 through blast pipe, second four-way change-over valve 8, through heating magnetic valve 11, change 6 to the side plate of loading after coming out, freon cools off after 10 throttlings of overexpansion valve, enter the thermal source side plate and change 5 heat exchange and then return second compressor 7, so circulation through second four-way change-over valve 8.While first refrigeration system, after cold-producing medium such as freon come out from first compressor 1, through blast pipe, first four-way change-over valve 2 enters the load side plate and changes 6 heat exchange, after the freon cooling through big 3 throttlings of throttle capillary tube, enter the thermal source side plate and change 5 heat exchange, what the heat exchanger of loading this moment play is the evaporimeter effect, and then return first compressor 1 through first four-way change-over valve 2, so circulation simultaneously water pump will deliver to indoor (machine) and hot gas will be diffused into the indoor user of offering and use through condenser promptly load the heat that the load water of side plate after changing 1 heating promptly produces of heat exchanger of promptly loading to heat up through blower fan.Simultaneously, controller can be controlled domestic hot-water's heat exchanger 4 and start working with the water pump on the continuous pipeline of user domestic hot-water water tank, to be fed to domestic hot-water's water tank of user from the water of high temperature freon after the 4 process heat exchange of domestic hot-water's heat exchanger that second compressor 7 is discharged, provide the domestic hot-water to the user.
Under single recuperation of heat operational mode, second compressor 7 starts, refrigeration magnetic valve 9 cuts out, and heats magnetic valve 11 and opens, after cold-producing medium such as freon come out from second compressor 7, enter domestic hot-water's heat exchanger 4 through blast pipe, second four-way change-over valve 8, through heating magnetic valve 11, change 6 to the side plate of loading after coming out, freon cools off after 10 throttlings of overexpansion valve, enter the thermal source side plate and change 5 heat exchange and then return second compressor 7, so circulation through second four-way change-over valve 8.Under this pattern, first compressor 1 of first refrigeration system is failure to actuate, and does not open with the water pump of the continuous pipeline of user's indoor set.
Under refrigeration heating recovery and single recuperation of heat operational mode, it provides domestic hot-water's effect very good but to be objective.But under the heating operation pattern, continue to provide the domestic hot-water that indoor heating is had certain influence.But compare common full recuperation of heat unit, can when providing the user to heat, can provide the domestic hot-water to the user again.And,, just can provide the domestic hot-water to the user not opening the user side indoor set at transition season (for example spring and autumn).