CN102853579A - Triad heat pump unit - Google Patents
Triad heat pump unit Download PDFInfo
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- CN102853579A CN102853579A CN2011103471972A CN201110347197A CN102853579A CN 102853579 A CN102853579 A CN 102853579A CN 2011103471972 A CN2011103471972 A CN 2011103471972A CN 201110347197 A CN201110347197 A CN 201110347197A CN 102853579 A CN102853579 A CN 102853579A
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Abstract
The invention discloses a triad heat pump unit which comprises a compressor, a gas-liquid separator, a heat exchanger on a domestic hot water side, a heat exchanger on an outdoor heat source side, a heat exchanger on a heating (cooling) water side, a reservoir and a four-way valve, wherein four connectors of the four-way valve are respectively connected with the heat exchanger on the domestic hot water side, the gas-liquid separator, the heat exchanger on the heating (cooling) water side and the heat exchanger on the outdoor heat source side; the heat exchanger on the outdoor heat source side is connected with an inlet of the reservoir through a first pipeline and is connected with an outlet of the reservoir through a second pipeline; and the heat exchanger on the heating (cooling) water side is connected with the inlet of the reservoir through a third pipeline and is connected with the outlet of the reservoir through a fourth pipeline. The triad heat pump unit can effectively avoid the problem of system complication caused by the factor that the existing triad heat pup unit in the prior art needs two four-way valves and two electromagnetic valves and is additionally provided with an oil-return device, and the triad heat pump unit can realize various functions.
Description
Technical field
The present invention relates to technical field of heat pumps, relate to more specifically a kind of heat pump three-in-one group.
Background technology
Heat pump techniques is the new energy technology that receives much attention of the whole world in recent years, and it has been widely used in central air-conditioning, heat-pump hot-water unit.Wherein, central air-conditioning utilizes heat pump techniques to produce chilled water or hot water, and chilled water or hot water are delivered to indoor end such as fan coil by water pump, realizes refrigeration in summer, heating in winter, the temperature in the conditioning chamber.The heat-pump hot-water unit utilizes heat pump techniques to produce the domestic hot-water, for sanitary waters such as bathings
Central air-conditioning and heat-pump hot-water unit all utilize heat pump principle to carry out work, and central air-conditioning will discharge a large amount of heats when carry out air conditioner refrigerating summer, and the heat-pump hot-water unit will discharge a large amount of cold air in water heating, how the function with two kinds of products is combined on a kind of product, not only realize heating, refrigeration, three kinds of functions of water heating, and carry out recuperation of heat in central air-conditioning summer in the refrigeration and produce the domestic hot-water, better bring into play the efficient of unit, reduce use cost, this be a lot of units in the problem of studying, the heat pump three-in-one group that central air-conditioning and heat-pump hot-water function are combined has also appearred on the market now.
Please refer to Fig. 1, Fig. 1 is heat pump three-in-one group structural representation in the prior art.
Existing heat pump three-in-one group mainly comprise compressor 01, the first cross valve 02, the second cross valve 03, domestic hot-water's side heat exchanger 04, outdoor heat source side heat exchanger 05, heating/refrigeration water-side heat 06 and, the devices such as the gas-liquid separator 07 that is connected of the import of compressor 01, reservoir 08, the first magnetic valve 09, the second magnetic valve 10.Wherein, the exhaust outlet of compressor 01 is connected with the first cross valve 02, its excess-three mouth of the second cross valve 03 is connected with two mouthfuls of the second cross valve 03 and heating/refrigeration water-side heat 06 respectively, and other two mouthfuls of the second cross valve are connected with outdoor heat source side heat exchanger 05 with domestic hot-water's side heat exchanger 04 respectively.Domestic hot-water's side heat exchanger 04 and heating/refrigeration water-side heat 06 all is connected with water supply line and outlet conduit, the water supply line of domestic hot-water's side heat exchanger 04 is provided with the first water pump 041, the water supply line of heating/refrigeration water-side heat 06 is provided with 061, two water pump of the second water pump and can provides for hydrodynamic force.
The heat pump three-in-one group mainly binds on the basis of closing central air-conditioning unit and heat pump water heater unit system, used the first cross valve 02 and the second cross valve 03 and the first magnetic valve 09 and the second magnetic valve 10 to carry out refrigerant (in order to transferring heat energy, produce the working fluid of refrigerating effect, freon is exactly a kind of traditional refrigerant) direction switch to realize heating, refrigeration, three kinds of functions of hot water.
Yet there is the weak point of following three aspects in heat pump three-in-one group of the prior art:
First, when heat pump three-in-one group of the prior art is moved under arbitrary duty, have at least a heat exchanger not have the refrigerant circulation in outdoor heat source side heat exchanger 05, heating/refrigeration water-side heat 06, domestic hot-water's side heat exchanger 04 these three heat exchangers, there is not the heat exchanger of refrigerant circulation to have oily deposition, cause the recirculating oil quantity of compressor not enough, cause the most at last compressor damage.Therefore in system, must additionally increase oil return apparatus to guarantee system's reliability of operation.Please refer to Fig. 2, Fig. 2 is the heat pump three-in-one group structural representation that has oil return apparatus in the prior art.Because the heat pump three-in-one group has increased oil return apparatus 11, and then directly causes system architecture more complicated, cost increases.
The second, heat pump three-in-one group of the prior art, its heating and domestic hot-water's function can not realize simultaneously, preferentially satisfying the domestic hot-water warms oneself again, preferentially satisfy heating and produce the domestic hot-water again, therefore, the function of the heat pump three-in-one group of prior art is Shortcomings still.
The 3rd, heat pump three-in-one group of the prior art, it need to realize heating, refrigeration, three kinds of functions of hot water with the direction of switching refrigerant with two cross valves and two magnetic valves, and system architecture is complicated, and cost is higher.
Therefore, how to evade because of increase oil return apparatus cause the problem of heat pump three-in-one group system complexity and how so that the heat pump three-in-one group can realize several functions and make that system is simplified more, cost, become those skilled in the art's important technological problems to be solved.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of heat pump three-in-one group, it can effectively evade heat pump three-in-one group of the prior art causes heat pump three-in-one group system complexity because increasing oil return apparatus problem, and it can realize that several functions, system architecture are simplified more, cost.
A kind of heat pump three-in-one group provided by the invention, comprise compressor, the gas-liquid separator that outlet is connected with the import of described compressor, domestic hot-water's side heat exchanger, outdoor heat source side heat exchanger, heating/refrigeration water-side heat and reservoir, also comprise and have first interface, the second interface, the cross valve of the 3rd interface and the 4th interface, the exhaust outlet of described compressor is connected with the entrance of described domestic hot-water's side heat exchanger, the outlet of described domestic hot-water's side heat exchanger is connected with the first interface of described cross valve, the second interface of described cross valve is connected with the entrance of described gas-liquid separator, the 3rd interface of described cross valve is connected with described heating/refrigeration water-side heat, and the 4th interface of described cross valve is connected with described outdoor heat source side heat exchanger; Described outdoor heat source side heat exchanger is connected with the entrance of described reservoir by the first pipeline, and described the first pipeline is provided with the first check valve, and when refrigerant flowed to described reservoir by described outdoor heat source side heat exchanger, described the first check valve was open mode; Described outdoor heat source side heat exchanger is connected with the outlet of described reservoir by the second pipeline, and described the second pipeline is provided with the second check valve, and when described refrigerant flowed to described outdoor heat source side heat exchanger by described reservoir, described the second check valve was open mode; Described heating/refrigeration water-side heat is connected with the entrance of described reservoir by the 3rd pipeline, and described the 3rd pipeline is provided with the 3rd check valve, described refrigerant is by described heating/when the refrigeration water-side heat flowed to described reservoir, described the 3rd check valve was open mode; Described heating/refrigeration water-side heat is connected with the outlet of described reservoir by the 4th pipeline, and described the 4th pipeline is provided with the 4th check valve, when described refrigerant flowed to described heating/refrigeration water-side heat by described reservoir, described the 4th check valve was open mode.
Preferably, the outlet of described reservoir is provided with the fluid main line, and described the second pipeline all is connected with the outlet of described reservoir by described fluid main line with described the 4th pipeline, and described fluid main line is provided with flow controller.
Preferably, described flow controller is heating power expansion valve.
Preferably, described flow controller is electric expansion valve.
Preferably, described flow controller is capillary.
Preferably, described refrigerant is freon.
Preferably, described refrigerant is carbon dioxide.
Preferably, described outdoor heat source side heat exchanger is the heat exchanger that described refrigerant and air or described refrigerant and water carry out heat exchange.
Preferably, described heating/refrigeration side heat exchanger is the heat exchanger that described refrigerant and air or described refrigerant and water carry out heat exchange.
A kind of heat pump three-in-one group provided by the invention, comprise compressor, the gas-liquid separator that outlet is connected with the import of described compressor, domestic hot-water's side heat exchanger, outdoor heat source side heat exchanger, heating/refrigeration water-side heat and reservoir, also comprise and have first interface, the second interface, the cross valve of the 3rd interface and the 4th interface, the exhaust outlet of described compressor is connected with the entrance of described domestic hot-water's side heat exchanger, the outlet of described domestic hot-water's side heat exchanger is connected with the first interface of described cross valve, the second interface of described cross valve is connected with the entrance of described gas-liquid separator, the 3rd interface of described cross valve is connected with described heating/refrigeration water-side heat, and the 4th interface of described cross valve is connected with described outdoor heat source side heat exchanger; Described outdoor heat source side heat exchanger is connected with the entrance of described reservoir by the first pipeline, and described the first pipeline is provided with the first check valve, and when refrigerant flowed to described reservoir by described outdoor heat source side heat exchanger, described the first check valve was open mode; Described outdoor heat source side heat exchanger is connected with the outlet of described reservoir by the second pipeline, and described the second pipeline is provided with the second check valve, and when described refrigerant flowed to described outdoor heat source side heat exchanger by described reservoir, described the second check valve was open mode; Described heating/refrigeration water-side heat is connected with the entrance of described reservoir by the 3rd pipeline, and described the 3rd pipeline is provided with the 3rd check valve, described refrigerant is by described heating/when the refrigeration water-side heat flowed to described reservoir, described the 3rd check valve was open mode; Described heating/refrigeration water-side heat is connected with the outlet of described reservoir by the 4th pipeline, and described the 4th pipeline is provided with the 4th check valve, when described refrigerant flowed to described heating/refrigeration water-side heat by described reservoir, described the 4th check valve was open mode.
So arrange, heat pump three-in-one group provided by the invention, when moving under the heating pattern, heat pump three-in-one group refrigerant flow path is as described below.Refrigerant is discharged the domestic hot-water's side of flowing through heat exchanger from the exhaust outlet of compressor; Handle cross valve so that refrigerant is entered by the first interface of cross valve and flow out from the 3rd interface of cross valve, and then so that refrigerant enters heating/refrigeration water-side heat; The refrigerant that is flowed out by heating/refrigeration water-side heat enters reservoir through the 3rd pipeline and the 3rd check valve that is arranged at the 3rd pipeline, refrigerant flows out by the second pipeline and is arranged at the second check valve of the second pipeline from the outlet of reservoir, enters outdoor heat source side heat exchanger; Refrigerant out enters the 4th interface of cross valve and out gets back to compressor through gas-liquid separator from the second interface of cross valve from outdoor heat source side heat exchanger.Under the heating pattern of heat pump three-in-one group, domestic hot-water's side heat exchanger is not worked, outdoor heat source side heat exchanger and heating/refrigeration water-side heat work.Need to prove that same as the prior art, when heating/refrigeration water-side heat was worked, the water pump that is connected with its inlet channel was required to be running status.
When the heat pump three-in-one group is moved under refrigeration mode, refrigerant from the exhaust outlet of compressor discharge, the domestic hot-water's side of flowing through heat exchanger, enter the first interface of cross valve and go out from the 4th interface of cross valve, enter outdoor heat source side heat exchanger; Refrigerant out enters the entrance of reservoir through the first pipeline and the check valve that is arranged at the first pipeline from outdoor heat source side heat exchanger, refrigerant flows out and enters heating/refrigeration water-side heat by the 4th pipeline and the check valve that is arranged at the 4th pipeline from the outlet of reservoir, and refrigerant out enters the 3rd interface of cross valve and out passes through gas-liquid separator from the second interface of cross valve and get back to compressor from heating/refrigeration water-side heat.The heat pump three-in-one group is under refrigeration mode, and domestic hot-water's side heat exchanger is not worked, outdoor heat source side heat exchanger and heating/refrigeration water-side heat work.Equally, when heating/refrigeration water-side heat was worked, the water pump that is connected with its inlet channel was required to be running status.
When unit moves under the hot water pattern, refrigerant is discharged from the exhaust outlet of compressor, enter domestic hot-water's side heat exchanger, out enter afterwards the first interface of cross valve and go out from the 3rd interface of cross valve from domestic hot-water's side heat exchanger, heating/refrigeration the water-side heat of flowing through, and by the 3rd pipeline and be arranged at the entrance that check valve on the 3rd pipeline enters reservoir, there is the outlet of reservoir to flow out and enters outdoor heat source side heat exchanger by the second pipeline and the second check valve of being arranged on the second pipeline.Refrigerant enters the 4th interface of cross valve after out and out gets back to compressor through gas-liquid separator from the second interface of cross valve from outdoor heat source side heat exchanger.When unit moved under the hot water pattern, heating/refrigeration water-side heat was not worked, outdoor heat source side heat exchanger and the work of domestic hot-water's side heat exchanger.Equally, when domestic hot-water's side heat exchanger moved, the water pump that is connected with its water supply line need be in running status.
Heat pump three-in-one group provided by the invention can also realize heating and hot water pattern simultaneously, when needing to move heating and hot water pattern simultaneously, refrigerant is discharged from the exhaust outlet of compressor, enter domestic hot-water's side heat exchanger, out enter afterwards the first interface of cross valve and flow out from the 3rd interface of cross valve from domestic hot-water's side heat exchanger, enter heating/refrigeration water-side heat.After refrigerant is flowed out by heating/refrigeration water-side heat by the 3rd pipeline and be arranged at the entrance that the 3rd check valve on the 3rd pipeline enters reservoir, refrigerant is through entering outdoor heat source side heat exchanger by the second pipeline and the check valve that is arranged at the second pipeline after the reservoir, and refrigerant enters the 4th interface of cross valve after out and out passes through gas-liquid separator from the second interface of cross valve and get back to compressor from outdoor heat source side heat exchanger.When unit is in heating and hot water pattern simultaneously, outdoor heat source side heat exchanger, heating/refrigeration water-side heat and domestic hot-water's side heat exchanger are worked simultaneously, all are in running status with the water pump of heating/refrigeration water-side heat and the water pump that is connected with domestic hot-water's side heat exchanger; When the domestic hot-water has reached requirement, when heating does not reach requirement, out of service with the water pump that domestic hot-water's side heat exchanger is connected; When heating has reached requirement, when hot water does not reach requirement, out of service with the water pump of heating/refrigeration water-side heat; When hot water and heating all reach requirement, unit is out of service, and is all out of service with the water pump of heating/refrigeration water-side heat and the water pump that is connected with domestic hot-water's side heat exchanger, when each in hot water and the heating need to be resumed work, unit resumes operation, corresponding water pump operation.
Heat pump three-in-one group provided by the invention also can have refrigeration+hot water pattern, when needing running refrigerating and hot water pattern simultaneously, refrigerant is discharged from exhaust outlet of compressor, enter domestic hot-water's side heat exchanger, out enter afterwards the first interface of cross valve and flow out from the 4th interface of cross valve from domestic hot-water's side heat exchanger and enter outdoor heat source side heat exchanger.Refrigerant enters the entrance of reservoir through the first pipeline and the first check valve of being arranged at the first pipeline from outdoor heat source side heat exchanger after out, and flow out from the outlet of reservoir 9, refrigerant enters heating/refrigeration water-side heat by the 4th pipeline and the 4th check valve that is arranged at the 4th pipeline, is entered the 3rd interface of cross valve and out gets back to compressor through gas-liquid separator from the second interface of cross valve after out by heating/refrigeration water-side heat.When unit is in refrigeration and hot water pattern simultaneously, outdoor heat source side heat exchanger is not worked, heating/refrigeration water-side heat and domestic hot-water's side heat exchanger are worked simultaneously, all are in running status with the water pump of heating/refrigeration water-side heat and the water pump that is connected with domestic hot-water's side heat exchanger; When hot water met the demands, freezes backlog demand, unit was pressed the duty operation under the refrigeration mode, and when the water running of needs recovery heat, unit recovers simultaneously refrigeration and water heating duty; When refrigeration meets the demands, during the hot water backlog demand, unit is pressed the duty operation of hot water pattern, when needs recovered refrigerating operaton, unit recovered simultaneously refrigeration and water heating duty; When refrigeration and hot water all reach requirement, unit is out of service, reaches the water pump that is connected with domestic hot-water's side heat exchanger with the water pump of heating/refrigeration water-side heat and all is in halted state; When refrigeration need to be resumed work, unit resumes operation by the duty of refrigeration mode, and when hot water need to be resumed work, unit resumed operation by the duty of hot water pattern, when refrigeration and hot water all needed to resume work, unit was by refrigeration and water heating duty are resumed operation simultaneously.
In sum, heat pump three-in-one group provided by the invention has heating, hot water, refrigeration, heating+hot water, five kinds of mode of operations of refrigeration+hot water, and its function is more, with respect to prior art, has possessed the function that heating and hot water are realized simultaneously.In addition, when unit provided by the invention moves under above-mentioned any mode of operation, refrigerant in the system and oil all can normally move by all heat exchangers, and then realized under the prerequisite that does not increase oil return apparatus, effectively evaded the problem that causes compressor oil return deficiency because of the oil deposition in certain zone.And then unit provided by the invention need not to adopt oil return apparatus, and its structure is more simple.
In addition, the present invention only adopts a cross valve and does not need magnetic valve, adopt two cross valves and two magnetic valves with respect to prior art, heat pump three-in-one group provided by the invention, only need control a cross valve and can realize conversion between each pattern, its structure is more simple and have preferably operability and an economy.
Description of drawings
Fig. 1 is heat pump three-in-one group structural representation in the prior art;
Fig. 2 is the heat pump three-in-one group structural representation that has oil return apparatus in the prior art;
Fig. 3 is heat pump three-in-one group structural representation in the specific embodiment of the invention.
The specific embodiment
The invention provides a kind of heat pump three-in-one group, it can effectively evade heat pump three-in-one group of the prior art causes heat pump three-in-one group system complexity because increasing oil return apparatus problem, and it can realize several functions.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Please refer to Fig. 3, Fig. 3 is heat pump three-in-one group structural representation in the specific embodiment of the invention.
Heat pump three-in-one group provided in the present embodiment comprises gas-liquid separator 12, domestic hot-water's side heat exchanger 13, outdoor heat source side heat exchanger 14, heating/refrigeration water-side heat 15 and reservoir 16 that compressor 11, outlet are connected with the import of compressor 11.
Need to prove, domestic hot-water's side heat exchanger 13 provided in the present embodiment and heating/refrigeration water-side heat 15 all are connected with water supply line and drainage pipeline, and the water supply line of domestic hot-water's side heat exchanger 13 is provided with the first water pump 131, the water supply line of heating/refrigeration water-side heat 15 is provided with the second water pump 151, so that flow dynamic to be provided.
Heat pump three-in-one group provided in the present embodiment also comprise have first interface 171, the cross valve 17 of the second interface 172, the 3rd interface 173 and the 4th interface 174.The exhaust outlet of compressor 11 is connected with the entrance of domestic hot-water's side heat exchanger 13, the outlet of domestic hot-water's side heat exchanger 13 is connected with the first interface 171 of cross valve 17, the second interface 172 of cross valve 17 is connected with the entrance of gas-liquid separator 12, the 3rd interface 173 of cross valve 17 is connected with heating/refrigeration water-side heat 15, and the 4th interface 174 of cross valve 17 is connected with outdoor heat source side heat exchanger 14.
Outdoor heat source side heat exchanger 14 is connected with the entrance of reservoir 16 by the first pipeline 181, and the first pipeline 181 is provided with the first check valve 1811, and when refrigerant flowed to reservoir 16 by outdoor heat source side heat exchanger 14, the first check valve 1811 was open mode; Outdoor heat source side heat exchanger 14 is connected with the outlet of reservoir 16 by the second pipeline 182, and the second pipeline is provided with the second check valve 1821, and when refrigerant flowed to outdoor heat source side heat exchanger 14 by reservoir 16, the second check valve 1821 was open mode; Heating/refrigeration water-side heat 15 is connected with the entrance of reservoir 16 by the 3rd pipeline 183, and the 3rd pipeline 183 is provided with the 3rd check valve 1831, and refrigerant is by heating/when refrigeration water-side heat 15 flowed to reservoir 16, the 3rd check valve 1831 was open mode; Heating/refrigeration water-side heat 15 is connected with the outlet of reservoir 16 by the 4th pipeline 184, and the 4th pipeline 184 is provided with the 4th check valve 1841, and when refrigerant flowed to heating/refrigeration water-side heat 15 by reservoir 16, the 4th check valve 1841 was open mode.
Need to prove, this specific embodiment the first pipeline 181, the second pipeline 182, the 3rd pipeline 183 and the 4th pipeline 184 respectively correspondence be provided with the first check valve 1811, the second check valve 1821, the 3rd check valve 1831 and the 4th check valve 1841, can effectively evade the problem that adverse current, crossfire appear in refrigerant.For example, when refrigerant enters reservoir 16 by the first pipeline 181, the first check valve 1811 on the first pipeline 181 is open mode, and the second check valve 1821 on the second pipeline 182 is cut-off state, refrigerant can only enter reservoir 16 by the first check valve 1811, and has effectively evaded its problem that enters the outlet of reservoir 16 or directly enter heating/refrigeration water-side heat 15 by the second pipeline 182.
So arrange, heat pump three-in-one group provided in the present embodiment, when moving under the heating pattern, heat pump three-in-one group refrigerant flow path is as described below.Refrigerant is discharged the domestic hot-water's side of flowing through heat exchanger 13 from the exhaust outlet of compressor 11; Handle cross valve 17 so that refrigerant is entered by the first interface 171 of cross valve 17 and flow out from the 3rd interface 173 of cross valve 17, and then so that refrigerant enters heating/refrigeration water-side heat 15; The refrigerant that is flowed out by heating/refrigeration water-side heat 15 enters reservoir 16 through the 3rd pipeline 183 and the 3rd check valve 1831 that is arranged at the 3rd pipeline 183, refrigerant flows out by the second pipeline 182 and is arranged at the second check valve 1821 of the second pipeline 182 from the outlet of reservoir 16, enters outdoor heat source side heat exchanger 14; Refrigerant out enters the 4th interface 174 of cross valve 17 and out gets back to compressor 11 through gas-liquid separator 12 from the second interface 172 of cross valve 17 from outdoor heat source side heat exchanger 14.Under the heating pattern of heat pump three-in-one group, domestic hot-water's side heat exchanger 13 is not worked, outdoor heat source side heat exchanger 14 and heating/refrigeration water-side heat 15 work.Need to prove that same as the prior art, heating/when refrigeration water-side heat 15 was worked, the second water pump 151 that is connected with its inlet channel was required to be running status.
When the heat pump three-in-one group is moved under refrigeration mode, refrigerant is from exhaust outlet discharge, the domestic hot-water's side of the flowing through heat exchanger 13 of compressor 11, enter the first interface 171 of cross valve 17 and go out from the 4th interface 174 of cross valve 17, enter outdoor heat source side heat exchanger 14; Refrigerant out enters the entrance of reservoir 16 through the first pipeline 181 and the check valve that is arranged at the first pipeline 181 from outdoor heat source side heat exchanger 14, refrigerant flows out and enters heating/refrigeration water-side heat 15 by the 4th pipeline 184 and the check valve that is arranged at the 4th pipeline 184 from the outlet of reservoir 16, and refrigerant out enters the 3rd interface 173 of cross valve 17 and out passes through gas-liquid separator 12 from the second interface 172 of cross valve 17 and get back to compressor 11 from heating/refrigeration water-side heat 15.The heat pump three-in-one group is under refrigeration mode, and domestic hot-water's side heat exchanger 13 is not worked, outdoor heat source side heat exchanger 14 and heating/refrigeration water-side heat 15 work.Equally, heating/when refrigeration water-side heat 15 was worked, the second water pump 151 that is connected with its inlet channel was required to be running status.
When unit moves under the hot water pattern, refrigerant is discharged from the exhaust outlet of compressor 11, enter domestic hot-water's side heat exchanger 13, out enter afterwards the first interface 171 of cross valve 17 and go out from the 3rd interface 173 of cross valve 17 from domestic hot-water's side heat exchanger 13, heating/refrigeration the water-side heat 15 of flowing through, and by the 3rd pipeline 183 and be arranged at the entrance that check valve on the 3rd pipeline 183 enters reservoir, there is the outlet of reservoir to flow out and enters outdoor heat source side heat exchanger 14 by the second pipeline 182 and the second check valve 1821 of being arranged on the second pipeline 182.Refrigerant enters the 4th interface 174 of cross valve 17 after out and out gets back to compressor 11 through gas-liquid separator 12 from the second interface 172 of cross valve 17 from outdoor heat source side heat exchanger 14.When unit moved under the hot water pattern, heating/refrigeration water-side heat 15 was not worked, outdoor heat source side heat exchanger 14 and 13 work of domestic hot-water's side heat exchanger.Equally, when 13 operation of domestic hot-water's side heat exchanger, the first water pump 131 that is connected with its water supply line need be in running status.
Heat pump three-in-one group provided by the invention can also realize heating and hot water pattern simultaneously, when needing to move heating and hot water pattern simultaneously, refrigerant is discharged from the exhaust outlet of compressor 11, enter domestic hot-water's side heat exchanger 13, out enter afterwards the first interface 171 of cross valve 17 and flow out from the 3rd interface 173 of cross valve 17 from domestic hot-water's side heat exchanger 13, enter heating/refrigeration water-side heat 15.After refrigerant is flowed out by heating/refrigeration water-side heat 15 by the 3rd pipeline and be arranged at the entrance that the 3rd check valve 1831 on the 3rd pipeline enters reservoir 16, refrigerant is through entering outdoor heat source side heat exchanger 14 by the second pipeline 182 and the check valve that is arranged at the second pipeline 182 after the reservoir, and refrigerant enters the 4th interface 174 of cross valve 17 after out and out passes through gas-liquid separator 12 from the second interface 172 of cross valve 17 and get back to compressor 11 from outdoor heat source side heat exchanger 14.When unit is in heating and hot water pattern simultaneously, outdoor heat source side heat exchanger 14, heating/refrigeration water-side heat 15 and domestic hot-water's side heat exchanger 13 are worked simultaneously, all are in running status with the water pump of heating/refrigeration water-side heat 15 and the water pump that is connected with domestic hot-water's side heat exchanger 13; When the domestic hot-water has reached requirement, when heating does not reach requirement, out of service with the water pump that domestic hot-water's side heat exchanger 13 is connected; When heating has reached requirement, when hot water does not reach requirement, out of service with the second water pump 151 of heating/refrigeration water-side heat 15; When hot water and heating all reach requirement, unit is out of service, all out of service with the second water pump 151 of heating/refrigeration water-side heat 15 and the first water pump 131 of being connected with domestic hot-water's side heat exchanger 13, when each in hot water and the heating need to be resumed work, unit resumes operation, corresponding water pump operation.
Heat pump three-in-one group provided by the invention also can have refrigeration+hot water pattern, when needing running refrigerating and hot water pattern simultaneously, refrigerant is discharged from compressor 11 exhaust outlets, enter domestic hot-water's side heat exchanger 13, out enter afterwards the first interface 171 of cross valve 17 and flow out from the 4th interface 174 of cross valve 17 from domestic hot-water's side heat exchanger 13 and enter outdoor heat source side heat exchanger 14.Refrigerant enters the entrance of reservoir 16 through the first pipeline 181 and the first check valve 1811 of being arranged at the first pipeline 181 from outdoor heat source side heat exchanger 14 after out, and flow out from the outlet of reservoir 169, refrigerant enters heating/refrigeration water-side heat 15 by the 4th pipeline 184 and the 4th check valve 1841 that is arranged at the 4th pipeline 184, is entered the 3rd interface 173 of cross valve 17 and out gets back to compressor 11 through gas-liquid separator 12 from the second interface 172 of cross valve 17 after out by heating/refrigeration water-side heat 15.When unit is in refrigeration and hot water pattern simultaneously, outdoor heat source side heat exchanger 14 is not worked, heating/refrigeration water-side heat 15 is worked simultaneously with domestic hot-water's side heat exchanger 13, all is in running status with the second water pump 151 of heating/refrigeration water-side heat 15 and the first water pump 131 that is connected with domestic hot-water's side heat exchanger 13; When hot water met the demands, freezes backlog demand, unit was pressed the duty operation under the refrigeration mode, and when the water running of needs recovery heat, unit recovers simultaneously refrigeration and water heating duty; When refrigeration meets the demands, during the hot water backlog demand, unit is pressed the duty operation of hot water pattern, when needs recovered refrigerating operaton, unit recovered simultaneously refrigeration and water heating duty; When refrigeration and hot water all reach requirement, unit is out of service, reaches the first water pump 131 that is connected with domestic hot-water's side heat exchanger 13 with the second water pump 151 of heating/refrigeration water-side heat 15 and all is in halted state; When refrigeration need to be resumed work, unit resumes operation by the duty of refrigeration mode, and when hot water need to be resumed work, unit resumed operation by the duty of hot water pattern, when refrigeration and hot water all needed to resume work, unit was by refrigeration and water heating duty are resumed operation simultaneously.
In sum, heat pump three-in-one group provided in the present embodiment has heating, hot water, refrigeration, heating+hot water, five kinds of mode of operations of refrigeration+hot water, and its function is more.In addition, when unit provided by the invention moves under above-mentioned any mode of operation, refrigerant in the system and oil all can normally move by all heat exchangers, and then realized under the prerequisite that does not increase oil return apparatus, effectively evaded the problem that causes compressor oil return deficiency because of the oil deposition in certain zone.And then unit provided in the present embodiment need not to adopt oil return apparatus, and its structure is more simple.
In addition, this specific embodiment only adopts a cross valve and does not need magnetic valve, adopt two cross valves and two magnetic valves with respect to prior art, heat pump three-in-one group provided by the invention, only need control a cross valve and can realize conversion between each pattern, its structure is more simple and have preferably operability and an economy.
In the preferred version of this specific embodiment, the outlet of reservoir 16 is provided with fluid main line 19, the second pipelines 182 and all is connected by the outlet of fluid main line 19 with reservoir 16 with the 4th pipeline 184, and fluid main line 19 is provided with flow controller 191.
So arrange, the going out flow quantity and can be effectively controlled by flow controller 191 of reservoir 16, and then so that store suitable oil mass in the reservoir 16, can guarantee to input the suitable oil mass of outdoor heat source side heat exchanger 14, heating/refrigeration water-side heat 15 and domestic hot-water's side heat exchanger 13 simultaneously.Need to prove, flow controller 191 provided in the present embodiment can be specially the heating power expansion valve that is arranged on the fluid main line 19, certainly, also can be the flow controller of other type, such as, electric expansion valve, capillary etc., this specific embodiment is not done concrete restriction to the particular type of flow controller 191, only needs it can satisfy this place's throttling requirement and gets final product.
In addition, refrigerant provided in the present embodiment can be specially freon, certainly, also can be the refrigerant of other type, such as air, current, carbon dioxide etc.In addition, need to prove that outdoor heat source side heat exchanger provided in the present embodiment can be the heat exchanger that refrigerant and air or refrigerant and water carry out heat exchange.Equally, heating/refrigeration side heat exchanger can be the heat exchanger that refrigerant and air or refrigerant and water carry out heat exchange.
More than a kind of heat pump three-in-one group provided by the present invention is described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (9)
1. heat pump three-in-one group, comprise compressor, the gas-liquid separator that outlet is connected with the import of described compressor, domestic hot-water's side heat exchanger, outdoor heat source side heat exchanger, heating/refrigeration water-side heat and reservoir, it is characterized in that, also comprise and have first interface, the second interface, the cross valve of the 3rd interface and the 4th interface, the exhaust outlet of described compressor is connected with the entrance of described domestic hot-water's side heat exchanger, the outlet of described domestic hot-water's side heat exchanger is connected with the first interface of described cross valve, the second interface of described cross valve is connected with the entrance of described gas-liquid separator, the 3rd interface of described cross valve is connected with described heating/refrigeration water-side heat, and the 4th interface of described cross valve is connected with described outdoor heat source side heat exchanger; Described outdoor heat source side heat exchanger is connected with the entrance of described reservoir by the first pipeline, and described the first pipeline is provided with the first check valve, and when refrigerant flowed to described reservoir by described outdoor heat source side heat exchanger, described the first check valve was open mode; Described outdoor heat source side heat exchanger is connected with the outlet of described reservoir by the second pipeline, and described the second pipeline is provided with the second check valve, and when described refrigerant flowed to described outdoor heat source side heat exchanger by described reservoir, described the second check valve was open mode; Described heating/refrigeration water-side heat is connected with the entrance of described reservoir by the 3rd pipeline, and described the 3rd pipeline is provided with the 3rd check valve, described refrigerant is by described heating/when the refrigeration water-side heat flowed to described reservoir, described the 3rd check valve was open mode; Described heating/refrigeration water-side heat is connected with the outlet of described reservoir by the 4th pipeline, and described the 4th pipeline is provided with the 4th check valve, when described refrigerant flowed to described heating/refrigeration water-side heat by described reservoir, described the 4th check valve was open mode.
2. a kind of heat pump three-in-one group as claimed in claim 1, it is characterized in that, the outlet of described reservoir is provided with the fluid main line, and described the second pipeline all is connected with the outlet of described reservoir by described fluid main line with described the 4th pipeline, and described fluid main line is provided with flow controller.
3. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described flow controller is heating power expansion valve.
4. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described flow controller is electric expansion valve.
5. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described flow controller is capillary.
6. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described refrigerant is freon.
7. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described refrigerant is carbon dioxide.
8. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described outdoor heat source side heat exchanger is the heat exchanger that described refrigerant and air or described refrigerant and water carry out heat exchange.
9. a kind of heat pump three-in-one group as claimed in claim 2 is characterized in that, described heating/refrigeration side heat exchanger is the heat exchanger that described refrigerant and air or described refrigerant and water carry out heat exchange.
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| CN2011103471972A CN102853579A (en) | 2011-11-04 | 2011-11-04 | Triad heat pump unit |
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| CN2011103471972A CN102853579A (en) | 2011-11-04 | 2011-11-04 | Triad heat pump unit |
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| CN110762662A (en) * | 2019-10-12 | 2020-02-07 | 青岛海信日立空调系统有限公司 | CO (carbon monoxide)2Heat pump system |
| CN111623553A (en) * | 2020-05-25 | 2020-09-04 | 青岛海尔空调电子有限公司 | Heat pump system |
| CN112797547A (en) * | 2020-12-30 | 2021-05-14 | 北京燃气能源发展有限公司 | Civil residence fresh air waste heat utilization system and method |
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Application publication date: 20130102 |