CN105928243A - Combined type multifunctional heat pump system - Google Patents

Combined type multifunctional heat pump system Download PDF

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Publication number
CN105928243A
CN105928243A CN201610445886.XA CN201610445886A CN105928243A CN 105928243 A CN105928243 A CN 105928243A CN 201610445886 A CN201610445886 A CN 201610445886A CN 105928243 A CN105928243 A CN 105928243A
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CN
China
Prior art keywords
valve
pipeline
heat exchange
heat
heat exchanger
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610445886.XA
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Chinese (zh)
Inventor
杜贤平
杭文斌
华青梅
何航
徐智升
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Kochem Electric Appliance Co Ltd
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Kochem Electric Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kochem Electric Appliance Co Ltd filed Critical Kochem Electric Appliance Co Ltd
Priority to CN201610445886.XA priority Critical patent/CN105928243A/en
Publication of CN105928243A publication Critical patent/CN105928243A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/08Hot-water central heating systems in combination with systems for domestic hot-water supply
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/18Hot-water central heating systems using heat pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/20Disposition of valves, e.g. of on-off valves or flow control valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves

Abstract

The invention relates to a combined type multifunctional heat pump system. The system comprises a first compressor, a first heat exchanger, a first expansion device, a first heat exchanging unit, a first switching valve, a second switching valve, a second compressor, a second heat exchanger, a third heat exchanger, a second expansion device, a second heat exchanging unit, a third switching valve and a fourth switching valve, wherein heat exchanging chambers of the first heat exchanger and the third heat exchanger intercommunicate; the heat exchanging chamber of the second heat exchanger communicates with the second heat exchanging unit; an outlet of the second heat exchanging unit communicates with the heat exchanging chamber of the second heat exchanger; valves are arranged on pipelines which communicate with the outlet of the second heat exchanging unit; the heat exchanging chamber of the second heat exchanger communicates with a third heat exchanging unit, and the communicating pipeline is provided with the valve; the third heat exchanging unit communicates with the second heat exchanging unit. The heat pump system integrates the functions of supplying high-temperature water for heating, refrigerating, producing domestic hot water, and defrosting, so that the combined multifunctional heat pump which is efficient and energy saving is achieved.

Description

Combined multifunctional heat pump
Technical field
The present invention relates to technical field of heat pumps, be specifically related to a kind of combined multifunctional heat pump.
Background technology
Heat pump be widely used in unit or Home Heating application in, due to heat pump possess pollution little, energy-conservation, The advantage such as efficiently, is more and more applied in the northern area of China, gradually gas-heating and boiler heating is replaced. Heat pump is similar with the air-conditioning of family expenses, mainly uses in season in summer in winter two, when summer air-conditioning is lowered the temperature, by cooling condition Run, compressor the high steam discharged, enter condenser through reversal valve (also known as cross valve);When warming oneself in the winter time, First reversal valve is turned to heat pump operating position, the high pressure refrigerant vapor then discharged by compressor, flows into after reversal valve Indoor evaporator (is used as condenser), releases heat, heated by room air during refrigerant vapour condensation, reaches indoor Heating purpose, condensed liquid refrigerant, enter condenser (being used as evaporimeter) from flowing counterflow through throttling arrangement, inhale Receiving external heat and evaporate, the steam after evaporation is sucked by compressor after reversal valve, completes to heat circulation.Existing skill The operation principle that heat pump in art uses and air conditioner refrigerating, to heat principle identical, although can provide at low ambient temperatures Heat, or absorbing and cooling temperature in high temperature environments, but heat pump function of the prior art is the most single, in winter When needing hot water, possibly cannot produce domestic hot-water, and the off-premises station of heat pump is easy at frosting in winter, heat pump Between each component units in system, the degree of association is the highest, the practicality insufficient height of heat pump.
Summary of the invention
It is an object of the invention to: a kind of combined multifunctional heat pump is provided, high-temperature hot can be provided at low ambient temperatures Water is for heating, and the Energy Efficiency Ratio that holding is higher, possesses again the merit producing domestic hot-water, cooling in summer, defrosting simultaneously Can, improve the practicality of heat pump.
For achieving the above object, the technical solution used in the present invention is:
Combined multifunctional heat pump, including the first compressor, First Heat Exchanger, the first expansion gear and the first heat exchange Unit, the media outlet of the first compressor and the first switching valve connection, the first switching valve is for realizing the matchmaker of the first compressor Be situated between outlet and First Heat Exchanger media input and the connection of the media input of the first heat exchange unit, the medium of the first expansion gear Entrance and the second switching valve connection, the second switching valve is for realizing media input and the First Heat Exchanger of the first expansion gear The connection of the media outlet of media outlet and the first heat exchange unit;
Heat pump also includes the second compressor, the second heat exchanger, the 3rd heat exchanger, the second expansion gear and the second heat exchange Unit, the outlet of the second compressor connects with the 3rd switching valve, and the 3rd switching valve goes out for the medium realizing the second compressor Mouthful with the media input of the second heat exchanger and the connection of the media input of the 3rd heat exchanger, the media input of the second expansion gear Connecting with the 4th switching valve, the 4th switching valve is for realizing media input and the medium of the 3rd heat exchanger of the second expansion gear The media outlet connection of outlet and the second heat exchanger;
It is interconnected by pipeline between the heat exchange chamber of First Heat Exchanger and the 3rd heat exchanger, the heat exchanging chamber of the 3rd heat exchanger Room is connected with hot-water cylinder by the first pipeline, and hot-water cylinder passes through the heat exchange chamber of the second pipeline and First Heat Exchanger, the Be interconnected between one pipeline and the second pipeline and between be provided with valve, the first pipeline and the second pipeline are provided with valve Door;
The heat exchange chamber of the second heat exchanger is provided with the entrance of pipeline and the second heat exchange unit and connects and be provided with valve on pipeline Door, the outlet of the second heat exchange unit respectively by pipeline and the heat exchange chamber of the second heat exchanger and the second pipeline connection, second It is respectively arranged with valve on the pipeline of the outlet of heat exchange unit;
The heat exchange chamber of the second heat exchanger is provided with the entrance of pipeline and the 3rd heat exchange unit and connects and be provided with valve on pipeline Door, the outlet of the 3rd heat exchange unit is connected by the outlet of pipeline and the second heat exchange unit;
The heat exchange chamber of the second heat exchanger is provided with on pipeline and the first pipeline connection and pipeline and is provided with valve.
The present invention there is also following characteristics:
Described first expansion gear include entrance and second switching valve connect the first fluid reservoir, the outlet of the first fluid reservoir with The Single port connection of the first filter, the another port of the first filter connects with the entrance of heating power expansion valve, thermal expansion The outlet of valve is connected with the second switching valve, and the first heat exchange unit is provided with the first temperature sensor.
The media outlet of described first compressor is provided with the second temperature sensor, the media input of the first compressor and first The media outlet connection of gas-liquid separator, the media input of the first gas-liquid separator and the first switching valve connection.
Described second expansion gear include entrance and the 4th switching valve connect the second fluid reservoir, the outlet of the second fluid reservoir with The Single port connection of the second filter, the another port of the second filter connects with the entrance of electric expansion valve, electronic expansion The outlet of valve is connected with the 4th switching valve.
The media outlet of described second compressor is provided with the second temperature sensor, the media input of the second compressor and second The media outlet connection of gas-liquid separator, the media input of the second gas-liquid separator connects with the 3rd switching valve and is provided with the Four temperature sensors.
Described 3rd heat exchanger and the 4th switching valve connection pipeline on be provided with the 5th temperature sensor, the second heat exchanger with It is provided with the 6th temperature sensor on the pipeline of the 4th switching valve connection.
By upper and lower pipeline connection between the heat exchange chamber of First Heat Exchanger and the 3rd heat exchanger, the one of described second pipeline End connects with the middle pipe shaft of lower pipeline, is positioned on lower pipeline and has been arranged in series expansion drum and internal circulation pump, described first pipe The one end on road connects near the pipe shaft of the 3rd heat exchanger with lower pipeline, at first, second pipeline and lower pipeline communicating position it Between be provided with the first valve, be positioned on first, second pipeline and be provided with second, third valve.
The 4th valve it is provided with on the connecting pipeline of the heat exchange chamber of the second heat exchanger and the entrance of the second heat exchange unit, second The outlet of heat exchange unit is provided with the heat exchange chamber of the first bye-pass and the second heat exchanger, and on the first bye-pass, series connection sets Being equipped with outer circulation pump and the 5th valve, the outlet of the second heat exchange unit is provided with the second bye-pass and the connection of the second branch road, the It is provided with the 6th valve on two bye-passes, the heat exchange chamber of the second heat exchanger and the pipeline of the first pipeline connection are provided with It is provided with the 9th valve on seven valves, the heat exchange chamber of the second heat exchanger and the connecting pipeline of the 3rd heat exchange unit entrance.
It is provided with drainpipe on described hot-water cylinder, hot-water cylinder is provided with filling pipe, described filling pipe is provided with the 7th valve Door.
Described first switching valve, the second switching valve, the 3rd switching valve and the 4th switching valve are cross valve, and described first changes Hot cell is the evaporimeter being disposed in the outdoor, and the side of the first heat exchange unit is provided with fan, described second heat exchange unit by The radiator of multiple series connection is constituted, and described 3rd heat exchange unit is radiator.
Compared with prior art, the technique effect that the present invention possesses is: height produced by this composite multifunction high temperature heat pump system collection Warm water heats, freeze, produce the several functions such as domestic hot-water, defrosting is integrated, and the realization of every kind of function has multiple side Formula, gives full play to respective advantage, thus realizes energy-efficient composite multifunction heat pump.
Accompanying drawing explanation
Fig. 1 is that the combined multifunctional heat pump of the present invention produces the circulatory system flow chart that high-temperature-hot-water heats;
Fig. 2 is the double domestic hot-water's circulatory system flow chart of combined multifunctional heat pump refrigeration of the present invention;
Fig. 3 is the combined multifunctional heat pump separate refrigeration circulatory system flow chart of the present invention;
Fig. 4 is that the combined multifunctional heat pump spring and autumn of the present invention produces domestic hot-water's circulatory system flow chart;
Fig. 5 is that the combined multifunctional heat pump of the present invention utilizes the heat in hot-water cylinder to realize defrost to follow the ring of function System flow chart;
Fig. 6 is that the combined multifunctional heat pump of the present invention utilizes the heat of hot water in radiator to realize defrosting function Circulatory system flow chart;
Detailed description of the invention
In conjunction with Fig. 1 to Fig. 6, the present invention is further described:
Combined multifunctional heat pump, including the first compressor 10, First Heat Exchanger the 20, first expansion gear 30 And first heat exchange unit 40, the media outlet of the first compressor 10 and the first switching valve 11 connect, the first switching valve 11 For realizing media outlet and First Heat Exchanger 20 media input and the matchmaker of the first heat exchange unit 40 of the first compressor 10 Getting involved the connection of mouth, the media input of the first expansion gear 30 and the second switching valve 31 to connect, the second switching valve 31 is used In the media outlet of the media input Yu First Heat Exchanger 20 realizing the first expansion gear 30 and the first heat exchange unit 40 The connection of media outlet;
Heat pump also includes second compressor the 50, second heat exchanger the 60, the 3rd heat exchanger the 80, second expansion gear 70 And second heat exchange unit 90, the outlet of the second compressor 50 connects with the 3rd switching valve 51, and the 3rd switching valve 51 is used for The medium of the media outlet and the media input of the second heat exchanger 60 and the 3rd heat exchanger 80 that realize the second compressor 50 enters The connection of mouth, the media input of the second expansion gear 70 and the 4th switching valve 71 connect, and the 4th switching valve 71 is for real The existing media input of the second expansion gear 70 and the medium of the media outlet of the 3rd heat exchanger 80 and the second heat exchanger 60 go out Mouth connection;
It is interconnected by pipeline between First Heat Exchanger 20 and the heat exchange chamber of the 3rd heat exchanger 80, the 3rd heat exchanger The heat exchange chamber of 80 is connected with hot-water cylinder 100 by the first pipeline, and hot-water cylinder 100 is by the second pipeline and the first heat exchange The heat exchange chamber of device 20, be interconnected between the first pipeline and the second pipeline and between be provided with valve, first pipe It is provided with valve on road and the second pipeline;
The heat exchange chamber of the second heat exchanger 60 is provided with the entrance of pipeline and the second heat exchange unit 90 and connects and arrange on pipeline Having valve, the outlet of the second heat exchange unit 90 is respectively by pipeline and the heat exchange chamber of the second heat exchanger 60 and the second pipeline Connection, the pipeline of the outlet of the second heat exchange unit 90 is respectively arranged with valve;
The heat exchange chamber of the second heat exchanger 60 is provided with the entrance of pipeline and the 3rd heat exchange unit 110 and connects and set on pipeline Being equipped with valve, the outlet of the 3rd heat exchange unit 110 is connected by the outlet of pipeline and the second heat exchange unit 90;
The heat exchange chamber of the second heat exchanger 60 is provided with on pipeline and the first pipeline connection and pipeline and is provided with valve.
This composite multifunction high temperature heat pump system collection produces that high-temperature-hot-water heats, freezes, to produce domestic hot-water, defrosting etc. many Planting function to be integrated, the realization of every kind of function has various ways, gives full play to respective advantage, thus realizes energy-efficient Composite multifunction heat pump.
Described first expansion gear 30 includes the first fluid reservoir 32 that entrance and the second switching valve 31 connect, the first liquid storage The outlet of tank 32 connects with the Single port of the first filter 33, the another port of the first filter 33 and heating power expansion valve The entrance connection of 34, the outlet of heating power expansion valve 34 is connected with the second switching valve 31, the first heat exchange unit 40 is arranged There is the first temperature sensor 41.
The media outlet of described first compressor 10 is provided with the second temperature sensor 12, the medium of the first compressor 10 The media outlet connection of entrance and the first gas-liquid separator 13, the media input of the first gas-liquid separator 13 and the first switching Valve 11 connects.
Described second expansion gear 70 includes the second fluid reservoir 72 that entrance and the 4th switching valve 71 connect, the second liquid storage The outlet of tank 72 connects with the Single port of the second filter 73, the another port of the second filter 73 and electric expansion valve The entrance connection of 74, the outlet of electric expansion valve 74 is connected with the 4th switching valve 71.
The media outlet of described second compressor 50 is provided with the second temperature sensor 52, the medium of the second compressor 50 The media outlet connection of entrance and the second gas-liquid separator 53, the media input of the second gas-liquid separator 53 and the 3rd switching Valve 51 connects and is provided with the 4th temperature sensor 54.
It is provided with the 5th temperature sensor 81 on the pipeline that described 3rd heat exchanger 80 connects with the 4th switching valve 71, the It is provided with the 6th temperature sensor 62 on the pipeline that two heat exchangers 60 connect with the 4th switching valve 71.
By upper and lower pipeline connection between First Heat Exchanger 20 and the heat exchange chamber of the 3rd heat exchanger 80, described second pipe The one end on road connects with the middle pipe shaft of lower pipeline, is positioned on lower pipeline and has been arranged in series expansion drum 21 and internal circulation pump 22, One end of described first pipeline connects near the pipe shaft of the 3rd heat exchanger 80 with lower pipeline, first, second pipeline and down tube It is provided with the first valve 82 between the communicating position of road, is positioned on first, second pipeline and is provided with second, third valve 101、102。
It is provided with the 4th valve on the connecting pipeline of the heat exchange chamber of the second heat exchanger 60 and the entrance of the second heat exchange unit 90 61, the outlet of the second heat exchange unit 90 is provided with the first bye-pass and the heat exchange chamber of the second heat exchanger 60, and first Being arranged in series outer circulation pump 91 and the 5th valve 92 on bye-pass, the outlet of the second heat exchange unit 90 is provided with second Bye-pass and the second pipeline connection, the second bye-pass is provided with the 6th valve 93, the heat exchange chamber of the second heat exchanger 60 Be provided with the 7th valve 63 on the pipeline of the first pipeline connection, the heat exchange chamber of the second heat exchanger 60 and the 3rd heat exchange list It is provided with the 8th valve 111 on the connecting pipeline of unit's 110 entrances.
It is provided with drainpipe 103 on described hot-water cylinder 100, hot-water cylinder 100 is provided with filling pipe 104, described moisturizing The 9th valve 105 it is provided with on pipe 104.
Described first switching valve 11, second switches valve the 31, the 3rd switching valve 51 and the 4th switching valve 71 is cross valve, Described first heat exchange unit 40 is the evaporimeter being disposed in the outdoor, and the side of the first heat exchange unit 40 is provided with fan 42, Described second heat exchange unit 90 is made up of the radiator of multiple series connection, and described 3rd heat exchange unit 110 is radiator.
Below in conjunction with Fig. 1 to Fig. 6, the present invention is integrated with and produces high-temperature-hot-water and heat, freeze, produce domestic hot-water, remove The several functions such as frost, for every kind of function, make to be discussed in detail into a ground:
Shown in Fig. 1, the heat pump shown in this accompanying drawing achieves produces high-temperature-hot-water and for being warmer than the function of one, By the first compressor 10, First Heat Exchanger the 20, first heat exchange unit 10 (namely evaporimeter), the first expansion gear The fluorine system that heating power expansion valve 34 grade in 30 is constituted is by the water system between First Heat Exchanger the 20, the 3rd heat exchanger 80 Temperature is maintained at 15~20 DEG C, and the first compressor 10 uses hot pump in low temp compressor;Changed by the second compressor the 50, the 3rd The fluorine system that electric expansion valve 74 in hot device the 80, second heat exchanger the 60, second expansion gear 70 etc. are constituted is second The radiator of heat exchange unit 60 provides the high-temperature water of 65~75 DEG C, and the second compressor 50 uses high temperature heat pump compressor, Cold-producing medium uses R134a;
The control flow of above-mentioned heat pump is: the first compressor 10 starts;First switching valve 11 coil without electricity, first Lead in the switching left interface of valve 11, middle interface, logical in exhaust outlet, right interface;Second switching valve 31 coil without electricity, the Lead in two the switching left interface of valve 31, middle interfaces, logical in exhaust outlet, right interface;First valve 82 path, second, 3rd valve 101,102 open circuit;Fan 42 and the internal circulation pump 22 of the first heat exchange unit 40 start;Interval 30S, Second compressor 50 starts;3rd switching valve 51 coil is without electricity, logical in the 3rd the switching left interface of valve 51, middle interface, Lead in exhaust outlet, right interface;4th switching valve 71 coil is without electricity, logical in the 4th the switching left interface of valve 71, middle interface, Lead in exhaust outlet, right interface;4th valve 61 path, the 8th valve the 111, the 7th valve 63 and the 6th valve 93 Open circuit;Outer circulation pump 91 starts;Open first so that the 7th valve 63 and the 6th valve 93 path, by hot-water cylinder 100 temperature promote open circuit heat storing and heat preserving after uniform temperature;When the 3rd heat exchanger 80 inflow temperature is higher than 25 DEG C, stop The fan 42 of first compressor the 10, first heat exchange unit 40, other are constant, when the 3rd heat exchanger 80 inflow temperature is low The fan 42 of first compressor the 10, first heat exchange unit 40 is restarted in 15 DEG C time;When First Heat Exchanger 20 is intake Temperature less than 10 DEG C time, the first valve 82 open circuit, second, third valve 101,102 path, the 7th valve 63 and 6th valve 93 keeps off state, when First Heat Exchanger 20 inflow temperature is higher than 25 DEG C, and the first valve 82 path, Second, third valve 101,102 open circuit;After the radiator heating demands meeting the second heat exchange unit 90, Ke Yikai Open the 7th valve 63 and the 6th valve 93, utilize the second compressor 50 system to produce domestic hot-water, it is possible to close first Valve the 82, the 7th valve 63 and the 6th valve 93, open second, third valve 101,102, utilize the first compression Machine 10 system produces domestic hot-water;
Above-mentioned heat pump achieves produces high-temperature-hot-water and for being warmer than the function of one, and switching mode is the highest Effect, is very suitable for using winter, and diverse in function.
Shown in Fig. 2, the figure illustrate heat pump achieve refrigeration hold concurrently domestic hot-water be circulated in one function, Wherein, the first compressor 10 does not starts, and the second compressor 50 starts;3rd switching valve 51 coil has electricity, and the 3rd cuts Lead in changing the right interface of valve 51, middle interface, logical in exhaust outlet, left interface;The coil of the 4th switching valve 71 has electricity, the Lead in four the switching right interface of valve 71, middle interfaces, logical in exhaust outlet, left interface;Second, third valve 101,102 And the 8th valve 111 path, the first valve the 82, the 4th valve the 61, the 7th valve 63 and the 6th valve 93 open circuit, Internal circulation pump 22 and outer circulation pump 91 start;Realize refrigeration by the radiator of the 3rd heat exchange unit 110, pass through hot water Drainpipe 103 on tank 100 obtains free domestic hot-water.
Shown in Fig. 3, the figure shows heat pump and achieve separate refrigeration circulatory function, hold concurrently in refrigeration and live During hot water, after domestic hot-water meets demand and exceedes uniform temperature in hot-water cylinder 100, close hot-water cylinder 100 drainpipe Valve on 103, the second compressor 50 does not starts, and the fan 42 of the first compressor 10 and the first heat exchange unit 40 opens Dynamic;First switching valve 11 coil has electricity, logical in the first the switching right interface of valve 11, middle interface, exhaust outlet, left interface Interior logical;The coil of the second switching valve 31 has electricity, logical in the second the switching right interface of valve 31, middle interface, exhaust outlet, a left side Lead in interface;Second, third valve the 101,102, the 8th valve the 111, the 7th valve 63 and the 6th valve 93 path, First valve 82 and the 4th valve 61 open circuit, internal circulation pump 22 starts;Radiator by the 3rd heat exchange unit 110 Realize refrigeration.
Shown in Fig. 4, the figure shows heat pump and achieve spring and autumn without producing in the case of freezing or heating The function of domestic hot-water, winter, the radiator meeting the second heat exchange unit 90 supplied as previously mentioned when producing high-temperature-hot-water After warm demand, the 7th valve 63 and the 6th valve 93 can be opened, utilize the second compressor 50 system to produce life heat Water, it is possible to close the first valve the 82, the 7th valve 63 and the 6th valve 93, open second, third valve 101,102, The first compressor 10 system is utilized to produce domestic hot-water;
Summer freely produces domestic hot-water in refrigeration simultaneously;When spring and autumn need not heat also without refrigeration, the second compression Machine 50 does not starts, and the fan 42 of the first compressor 10 and the first heat exchange unit 40 starts;The line of the first switching valve 11 Circle is without electricity, logical in the first the switching left interface of valve 11, middle interface, logical in exhaust outlet, right interface;Second switching valve 31 Coil without electricity, logical in the second the switching left interface of valve 31, middle interface, logical in exhaust outlet, right interface;The second, Three valve 101,102 paths, the first valve the 82, the 4th valve the 61, the 7th valve 63 and the 6th valve 93 open circuit, Internal circulation pump 22 starts;Domestic hot-water is obtained by hot-water cylinder 100;
Shown in Fig. 5, the figure shows heat pump and achieve the heat in hot-water cylinder 100 and realize the function that defrost follows, Winter, the first heat exchange unit 40 of off-premises station understood a certain amount of frost of surplus, affected refrigeration, to this, and the second compression Machine 50 does not starts, and the fan 42 of the first compressor 10 and the first heat exchange unit 40 starts;The line of the first switching valve 11 Circle has electricity, logical in the first the switching right interface of valve 11, middle interface, logical in exhaust outlet, left interface;Second switching valve 31 Coil have electricity, logical in the second the switching right interface of valve 31, middle interface, in exhaust outlet, left interface logical second, third Valve 101,102 path, the first valve the 82, the 7th valve 63 and the 6th valve 93 open circuit, internal circulation pump 22 opens Dynamic;The hot water in hot-water cylinder 100 is utilized to realize defrost.
Shown in Fig. 6, the figure shows heat pump and achieve heating in the radiator with the 3rd heat exchange unit 110 The function of heat defrost, wherein, the fan 42 of the first compressor 10 and the first heat exchange unit 40 starts;First switching The coil of valve 11 has electricity, logical in the first the switching right interface of valve 11, middle interface, logical in exhaust outlet, left interface;Second The coil of switching valve 31 has electricity, logical in the second the switching right interface of valve 31, middle interface, logical in exhaust outlet, left interface; Second, third valve 101,102 open circuit, the first valve 82 path, internal circulation pump 22 starts;Second compressor 50 Start;The coil of the 3rd switching valve 51 has electricity, logical in the 3rd the switching right interface of valve 51, middle interface, exhaust outlet, a left side Lead in interface;The coil of the 4th switching valve 71 has electricity, logical in the 4th the switching right interface of valve 71, middle interface, exhaust outlet, Lead in left interface;4th valve 61 path, the 8th valve the 111, the 7th valve 63 and the 6th valve 93 open circuit, outward Circulating pump 91 starts, and realizes defrost by the heat in the second heat exchange unit 90.
By the introduction to above-mentioned heat pump, high-temperature-hot-water produced by the combined multifunctional heat pump collection of the present invention in a word Heating, freeze, produce the several functions such as domestic hot-water, defrosting and be integrated, the realization of every kind of function has various ways, fills Respective advantage is waved in distribution, thus realizes energy-efficient composite multifunction heat pump, possesses wide market value.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, and not In the case of deviating from the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, nothing Opinion from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention by Claims rather than described above limit, it is intended that will fall in the implication of equivalency of claim and scope Interior all changes are included in the present invention.Should not be considered as limiting involved power by any reference in claim Profit requirement.
Although moreover, it will be appreciated that this specification is been described by according to embodiment, but the most each embodiment only wraps Containing an independent technical scheme, this narrating mode of specification is only for clarity sake, and those skilled in the art should When specification can also be formed art technology through appropriately combined as an entirety, the technical scheme in each embodiment Personnel may be appreciated other embodiments.

Claims (10)

1. combined multifunctional heat pump, it is characterised in that: include the first compressor (10), First Heat Exchanger (20), First expansion gear (30) and the first heat exchange unit (40), the media outlet of the first compressor (10) and the first switching Valve (11) connects, and the first switching valve (11) is used for realizing media outlet and the First Heat Exchanger of the first compressor (10) (20) connection of the media input of media input and the first heat exchange unit (40), the medium of the first expansion gear (30) Entrance and the second switching valve (31) connection, the second switching valve (31) is used for realizing the medium of the first expansion gear (30) The connection of the media outlet of entrance and the media outlet of First Heat Exchanger (20) and the first heat exchange unit (40);
Heat pump also includes the second compressor (50), the second heat exchanger (60), the 3rd heat exchanger (80), second swollen Swollen device (70) and the second heat exchange unit (90), the outlet of the second compressor (50) is with the 3rd switching valve (51) even Logical, the 3rd switching valve (51) is used for realizing the media outlet of the second compressor (50) and the matchmaker of the second heat exchanger (60) Get involved the connection of the media input of mouth and the 3rd heat exchanger (80), the media input and the 4th of the second expansion gear (70) Switching valve (71) connection, the 4th switching valve (71) is used for realizing the media input and the 3rd of the second expansion gear (70) The media outlet of heat exchanger (80) and the media outlet connection of the second heat exchanger (60);
Being interconnected by pipeline between the heat exchange chamber of First Heat Exchanger (20) and the 3rd heat exchanger (80), the 3rd changes The heat exchange chamber of hot device (80) is connected with hot-water cylinder (100) by the first pipeline, and hot-water cylinder (100) is by the second pipe The heat exchange chamber of road and First Heat Exchanger (20), be interconnected between the first pipeline and the second pipeline and between arrange There is valve, the first pipeline and the second pipeline are provided with valve;
The heat exchange chamber of the second heat exchanger (60) is provided with entrance connection and the pipeline of pipeline and the second heat exchange unit (90) On be provided with valve, the outlet of the second heat exchange unit (90) is respectively by pipeline and the heat exchanging chamber of the second heat exchanger (60) Room and the second pipeline connection, the pipeline of the outlet of the second heat exchange unit (90) is respectively arranged with valve;
The heat exchange chamber of the second heat exchanger (60) is provided with entrance connection and the pipe of pipeline and the 3rd heat exchange unit (110) Being provided with valve on road, the outlet of the 3rd heat exchange unit (110) is by pipeline and the outlet of the second heat exchange unit (90) Pipe connects;
The heat exchange chamber of the second heat exchanger (60) is provided with on pipeline and the first pipeline connection and pipeline and is provided with valve.
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described first expands dress Put the first fluid reservoir (32) that (30) include that entrance and the second switching valve (31) connect, the first fluid reservoir (32) Outlet connects with the Single port of the first filter (33), the another port of the first filter (33) and heating power expansion valve (34) Entrance connection, the outlet of heating power expansion valve (34) with second switch valve (31) be connected, the first heat exchange unit (40) On be provided with the first temperature sensor (41).
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described first compressor (10) media outlet is provided with the second temperature sensor (12), the media input and first of the first compressor (10) The media outlet connection of gas-liquid separator (13), the media input of the first gas-liquid separator (13) and the first switching valve (11) Connection.
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described second expands dress Put the second fluid reservoir (72) that (70) include that entrance and the 4th switching valve (71) connect, the second fluid reservoir (72) Outlet connects with the Single port of the second filter (73), the another port of the second filter (73) and electric expansion valve (74) Entrance connection, the outlet of electric expansion valve (74) with the 4th switch valve (71) be connected.
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described second compressor (50) media outlet is provided with the second temperature sensor (52), the media input and second of the second compressor (50) The media outlet connection of gas-liquid separator (53), the media input of the second gas-liquid separator (53) and the 3rd switching valve (51) Connect and be provided with the 4th temperature sensor (54).
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described 3rd heat exchanger (80) it is provided with the 5th temperature sensor (81), the second heat exchanger (60) on the pipeline connected with the 4th switching valve (71) It is provided with the 6th temperature sensor (62) on the pipeline connected with the 4th switching valve (71).
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: First Heat Exchanger (20) And by upper and lower pipeline connection between the heat exchange chamber of the 3rd heat exchanger (80), one end of described second pipeline and down tube The middle pipe shaft connection on road, is positioned on lower pipeline and has been arranged in series expansion drum (21) and internal circulation pump (22), and described the One end of one pipeline connects near the pipe shaft of the 3rd heat exchanger (80) with lower pipeline, and first, second pipeline is with lower pipeline even Be provided with the first valve (82) between logical position, be positioned on first, second pipeline be provided with second, third valve (101, 102)。
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: the second heat exchanger (60) Heat exchange chamber and the second heat exchange unit (90) entrance connecting pipeline on be provided with the 4th valve (61), second changes The outlet of hot cell (90) is provided with the first bye-pass and the heat exchange chamber of the second heat exchanger (60), the first arm Being arranged in series outer circulation pump (91) and the 5th valve (92) on road, the outlet of the second heat exchange unit (90) is provided with Second bye-pass and the second pipeline connection, the second bye-pass is provided with the 6th valve (93), the second heat exchanger (60) Heat exchange chamber and the first pipeline connection pipeline on be provided with the 7th valve (63), the heat exchange of the second heat exchanger (60) It is provided with the 8th valve (111) on the connecting pipeline of chamber and the 3rd heat exchange unit (110) entrance.
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described hot-water cylinder (100) On be provided with drainpipe (103), hot-water cylinder (100) is provided with filling pipe (104), on described filling pipe (104) It is provided with the 9th valve (105).
Combined multifunctional heat pump the most according to claim 1, it is characterised in that: described first switching valve (11), the second switching valve (31), the 3rd switching valve (51) and the 4th switching valve (71) be cross valve, described the One heat exchange unit (40) is the evaporimeter being disposed in the outdoor, and the side of the first heat exchange unit (40) is provided with fan (42), Described second heat exchange unit (90) is made up of the radiator of multiple series connection, and described 3rd heat exchange unit (110) is heat radiation Device.
CN201610445886.XA 2016-06-17 2016-06-17 Combined type multifunctional heat pump system Pending CN105928243A (en)

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