CN104697240A - High-stability multifunctional heat pump system - Google Patents
High-stability multifunctional heat pump system Download PDFInfo
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- CN104697240A CN104697240A CN201510162095.1A CN201510162095A CN104697240A CN 104697240 A CN104697240 A CN 104697240A CN 201510162095 A CN201510162095 A CN 201510162095A CN 104697240 A CN104697240 A CN 104697240A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a high-stability multifunctional heat pump system which is mainly composed of a compressor, a first four-way valve, a second four-way valve, a third four-way valve, a first one-way valve, a second one-way valve, a third one-way valve, a first flow controller, a second flow controller, a first heat exchanger, a second heat exchanger and a third heat exchanger. According to the heat pump system, the three four-way valves and the multiple one-way valves are arranged on a refrigerant pipeline and are matched for control, electromagnetic valves controlling one-way flowing and stopping of liquid are completely not needed, multiple control functions of hot water making, air conditioner refrigeration, air conditioner heating, hot-water-making plus air conditioner refrigeration and the like can be achieved, the connection and operation mode of the cold refrigerant pipeline of the heat pump system is optimized, the failure rate is greatly lowered, and reliability of the system is improved.
Description
Technical field
The present invention relates to a kind of heat pump, particularly a kind of Multifunctional heat pump system of high stability.
Background technology
Multifunctional heat pump system has the several functions such as water heating, air conditioner refrigerating, air-conditioning heating, water heating+air conditioner refrigerating, Multifunctional heat pump system is due to good energy-conserving effect, the accreditation being more and more subject to user applied widely, and the refrigerant pipe of existing heat pump is all configured with the magnetic valve of some control fluid communication and closedown for controlling flow direction and the choke valve of refrigerant or being controlled by the combination of cross valve and magnetic valve; But owing to controlling complexity, this magnetic valve easily can break down because of the electricity of switching repeatedly or lasting energising work in long-time continuous firing process, thus affects the reliability of heat pump.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of structure uniqueness, failure rate is low, reliability and durability heat pump.
The technical solution adopted in the present invention is:
The Multifunctional heat pump system of high stability, the main building block of system comprises: compressor, the first cross valve, the second cross valve, the 3rd cross valve, the first check valve, the second check valve, the 3rd check valve, first throttle device, second choke, First Heat Exchanger, the second heat exchanger, the 3rd heat exchanger; Be communicated with as follows by refrigerant pipe between above-mentioned parts: four interfaces of the first cross valve are communicated with compressor air-discharging side, First Heat Exchanger entrance side, suction side, the second cross valve respectively; Other three interfaces of second cross valve are communicated with the second heat exchanger, suction side, the 3rd heat exchanger respectively; The first interface of the 3rd cross valve is communicated with First Heat Exchanger outlet, the second orifice first throttle device, the 3rd orifice suction side, the 4th orifice second choke; Second heat exchanger opposite side is communicated with first throttle device opposite side; 3rd heat exchanger opposite side is communicated with second choke opposite side; The inlet side communication first throttle device of the second check valve is communicated with the 3rd cross valve first interface with the outlet side of the pipeline between the second heat exchanger, the second check valve; Pipeline between the inlet side communication second choke of the 3rd check valve and the 3rd heat exchanger; The outlet side of the 3rd check valve is communicated with the 3rd cross valve first interface; Described first check valve is arranged between the first cross valve to First Heat Exchanger or between First Heat Exchanger to the 3rd cross valve on pipeline.
Further improvement of the present invention, between described First Heat Exchanger outlet side to the 3rd cross valve first interface, pipeline is provided with the 4th heat exchanger, and the first check valve is located between the 4th heat exchanger and the 3rd cross valve.
Another kind of the present invention improves, and between described First Heat Exchanger outlet side to the 3rd cross valve first interface, pipeline is provided with the 4th heat exchanger, and the first check valve is located between First Heat Exchanger and the 4th heat exchanger.
Further improvement of the present invention, described 4th heat exchanger and the second heat exchanger are monolithic construction.
Further improvement of the present invention, described first throttle device has been arranged in parallel at least one group of automatic diverter, the automatic pressure valve that described automatic diverter comprises the 3rd flow controller and connects with the 3rd flow controller.Further improvement, is provided with the 5th check valve between first throttle device and the second heat exchanger; Pipeline between inlet side communication the 5th one-way valved outlet side of the second check valve and the second heat exchanger; The first increasing enthalpy heat exchanger is also provided with between described first throttle device and the 3rd cross valve second interface, first the 3rd orifice increasing enthalpy heat exchanger compresses suction side, first the 4th interface increasing enthalpy heat exchanger is connected with the 6th flow controller, and the opposite side of the 6th flow controller is communicated with automatic pressure valve outlet port side ducts.
Further improvement of the present invention, described second choke has been arranged in parallel at least one group of automatic diverter, the automatic pressure valve that described automatic diverter comprises the 4th flow controller and connects with the 4th flow controller.Further improvement, is provided with the 4th check valve between second choke and the 3rd heat exchanger; Pipeline between inlet side communication the 4th one-way valved outlet side of the 3rd check valve and the 3rd heat exchanger; The second increasing enthalpy heat exchanger is also provided with between described second choke and the 3rd cross valve the 4th interface, 3rd orifice suction side of the second increasing enthalpy heat exchanger, second the 4th interface increasing enthalpy heat exchanger is connected with the 5th flow controller, and the opposite side of the 5th flow controller is communicated with automatic pressure valve outlet port side ducts.
Further improvement of the present invention, is provided with the 5th check valve between first throttle device and the second heat exchanger; Pipeline between inlet side communication the 5th one-way valved outlet side of the second check valve and the second heat exchanger; The first increasing enthalpy heat exchanger is also provided with between described first throttle device and the 3rd cross valve second interface, first the 3rd orifice increasing enthalpy heat exchanger compresses suction side, and the first the 4th interface increasing enthalpy heat exchanger connects pipeline between first throttle device and the second check valve by small-caliber pipeline.
Another kind of the present invention improves, and is provided with the 5th check valve between first throttle device and the second heat exchanger; Pipeline between inlet side communication the 5th one-way valved outlet side of the second check valve and the second heat exchanger; The first increasing enthalpy heat exchanger is also provided with between described first throttle device and the 3rd cross valve second interface, first the 3rd orifice increasing enthalpy heat exchanger compresses suction side, first the 4th interface increasing enthalpy heat exchanger is connected with the 6th flow controller, and the opposite side of the 6th flow controller is communicated with first throttle device and first and increases pipeline between enthalpy heat exchanger second interface.Further improvement, the first the 4th interface increasing enthalpy heat exchanger connects pipeline between first throttle device and the second check valve by small-caliber pipeline.
Another kind of the present invention improves, and is provided with the 4th check valve between second choke and the 3rd heat exchanger; Pipeline between inlet side communication the 4th one-way valved outlet side of the 3rd check valve and the 3rd heat exchanger; The second increasing enthalpy heat exchanger is also provided with between described second choke and the 3rd cross valve the 4th interface, 3rd orifice suction side of the second increasing enthalpy heat exchanger, the second the 4th interface increasing enthalpy heat exchanger connects pipeline between second choke and the 4th check valve by small-caliber pipeline.
Another kind of the present invention improves, and is provided with the 4th check valve between second choke and the 3rd heat exchanger; Pipeline between inlet side communication the 4th one-way valved outlet side of the 3rd check valve and the 3rd heat exchanger; The second increasing enthalpy heat exchanger is also provided with between described second choke and the 3rd cross valve the 4th interface, 3rd orifice suction side of the second increasing enthalpy heat exchanger, second the 4th interface increasing enthalpy heat exchanger is connected with the 5th flow controller, and the opposite side of the 5th flow controller is communicated with second choke and second and increases pipeline between enthalpy heat exchanger second interface.Further improvement, the second the 4th interface increasing enthalpy heat exchanger connects pipeline between second choke and the 4th check valve by small-caliber pipeline.
The invention has the beneficial effects as follows: this heat pump adopts three cross valves to coordinate with some check valves and controls on refrigerant pipe, do not need completely to rely on the magnetic valve controlling liquid one-way conduction and closedown, the various control functions such as water heating, air conditioner refrigerating, air-conditioning heating, water heating+air conditioner refrigerating can be realized, optimize connection and the method for operation of heat pump refrigerant pipe, greatly reduce fault rate, improve the reliability of system.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the 1st embodiment of the present invention;
Fig. 2 is the 2nd embodiment of the present invention;
Fig. 3 is the 3rd embodiment of the present invention;
Fig. 4 is the 4th embodiment of the present invention;
Fig. 5 is the 5th embodiment of the present invention;
Fig. 6 is the 6th embodiment of the present invention;
Fig. 7 is the 7th embodiment of the present invention;
Fig. 8 is the 8th embodiment of the present invention.
Detailed description of the invention
Control to be described further System Working Principle below by the flowing in the multiple embodiment of heat pump during refrigerant work.
Embodiment 1.With reference to shown in Fig. 1, during water heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the first check valve 5-→ the three cross valve 4-→ first throttle device 8-→ the second heat exchanger 11-→ the second cross valve 3-→ time compressor 1.
During water heating+air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the first check valve 5-→ the three cross valve 4-→ second choke 9-→ the three heat exchanger 12(air conditioner refrigerating) the-→ the second cross valve 3-→ time compressor 1.
During air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the second heat exchanger 11-→ the second check valve 6-→ the three cross valve 4-→ second choke 9-→ the three heat exchanger 12(air conditioner refrigerating) the-→ the second cross valve 3-→ time compressor 1.
During air-conditioning heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the three heat exchanger 12(air-conditioning heating) the-→ the three check valve 7-→ the three cross valve 4-→ first throttle device 8-→ the second heat exchanger 11-→ the second cross valve 3-→ time compressor 1.
Embodiment 2.With reference to shown in Fig. 2, during water heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the first check valve 5-→ entering from the 3rd cross valve 4 first interface and point two-way after flowing out from the second interface, the first via is through first throttle device 8; When the condensing pressure of system exceedes setting value, the automatic pressure valve 15 of the second road automatic diverter is opened, and part refrigerant passes through from the 3rd flow controller 13, and two-way assemble jamming is to the second heat exchanger 11-→ the second cross valve 3-→ time compressor 1.
During water heating+air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the first check valve 5-→ entering from the 3rd cross valve 4 first interface and point two-way after flowing out from the 4th interface, the first via is through second choke 9; When the condensing pressure of system exceedes setting value, the automatic pressure valve 16 of the second road automatic diverter is opened, part refrigerant passes through from the 4th flow controller 14, flows to the 3rd heat exchanger 12(air conditioner refrigerating after two-way converges) the-→ the second cross valve 3-→ time compressor 1.
During air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the second heat exchanger 11-→ the second check valve 6-→ entering from the 3rd cross valve 4 first interface and point two-way after flowing out from the 4th interface, the first via is through second choke 9; When the condensing pressure of system exceedes setting value, the automatic pressure valve 16 of the second road automatic diverter is opened, part refrigerant passes through from the 4th flow controller 14, flows to the 3rd heat exchanger 12(air conditioner refrigerating after two-way converges) the-→ the second cross valve 3-→ time compressor 1.
During air-conditioning heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the three heat exchanger 12(air-conditioning heating) the-→ the three check valve 7-→ to enter from the 3rd cross valve 4 first interface and point two-way after flowing out from the second interface,, the first via is through first throttle device 8; When the condensing pressure of system exceedes setting value, the automatic pressure valve 15 of the second road automatic diverter is opened, and part refrigerant passes through from the 3rd flow controller 13, and two-way assemble jamming is to the second heat exchanger 11-→ the second cross valve 3-→ time compressor 1.
The present embodiment, owing to being provided with automatic diverter in systems in which, improves the scope of application of heat pump to environment, and according to the type of different regions or different capacity, automatic diverter can be parallel with multiple.
Embodiment 3.With reference to shown in Fig. 3, during water heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the four heat exchanger 17-→ the first check valve 5-→ to enter from the 3rd cross valve 4 first interface and flow out from the second interface-→ increasing enthalpy heat exchanger 19 first interface from first to enter and point two-way after flowing out from the second interface, the first via is through first throttle device 8; When the condensing pressure of system exceedes setting value, the automatic pressure valve 15 of the second road automatic diverter is opened, part refrigerant passes through from the 3rd flow controller 13, shunt again after two-way refrigerant converges: most of refrigerant flows to the second heat exchanger 11 through the 5th check valve 25, refrigerant after the second heat exchanger 11 heat exchange again through the second cross valve 3 times compressors 1; Fraction refrigerant flows into the first increasing enthalpy heat exchanger 19 through small-caliber pipeline 22, then flows to compressor 1 suction side from the first increasing enthalpy heat exchanger 19 the 3rd interface.
During water heating+air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the four heat exchanger 17-→ the first check valve 5-→ to enter from the 3rd cross valve 4 first interface and flow out from the 4th interface-→ increasing enthalpy heat exchanger 18 first interface from second to enter and point two-way after flowing out from the second interface, the first via is through second choke 9; When the condensing pressure of system exceedes setting value, the automatic pressure valve 16 of the second road automatic diverter is opened, part refrigerant passes through from the 4th flow controller 14, shunts after two-way refrigerant converges again: most of refrigerant flows to the 4th check valve 20-→ the three heat exchanger 12(air conditioner refrigerating) the-→ the second cross valve 3-→ time compressor 1; Fraction refrigerant flows into the second increasing enthalpy heat exchanger 18 through small-caliber pipeline 23, then flows to compressor 1 suction side from the second increasing enthalpy heat exchanger 18 the 3rd interface.
During air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the second heat exchanger 11-→ the second check valve 6-→ to enter from the 3rd cross valve 4 first interface and flow out from the 4th interface-→ increasing enthalpy heat exchanger 18 first interface from second to enter and point two-way after flowing out from the second interface, the first via is through second choke 9; When the condensing pressure of system exceedes setting value, the automatic pressure valve 16 of the second road automatic diverter is opened, part refrigerant passes through from the 4th flow controller 14, shunts after two-way refrigerant converges again: most of refrigerant flows to the 4th check valve 20-→ the three heat exchanger 12(air conditioner refrigerating) the-→ the second cross valve 3-→ time compressor 1; Fraction refrigerant flows into the second increasing enthalpy heat exchanger 18 through small-caliber pipeline 23, then flows to compressor 1 suction side from the second increasing enthalpy heat exchanger 18 the 3rd interface.
During air-conditioning heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the three heat exchanger 12(air-conditioning heating) the-→ the three check valve 7-→ to enter from the 3rd cross valve 4 first interface and flow out from the second interface-→ increasing enthalpy heat exchanger 19 first interface from first to enter and point two-way after flowing out from the second interface, the first via is through first throttle device 8; When the condensing pressure of system exceedes setting value, the automatic pressure valve 15 of the second road automatic diverter is opened, part refrigerant passes through from the 3rd flow controller 13, shunt again after two-way refrigerant converges: most of refrigerant flows to the second heat exchanger 11 through the 5th check valve 25, refrigerant after the second heat exchanger 11 heat exchange again through the second cross valve 3 times compressors 1; Fraction refrigerant flows into the first increasing enthalpy heat exchanger 19 through small-caliber pipeline 22, increases enthalpy heat exchanger 19 the 3rd interface again flow to compressor 1 suction side after heat exchange from first.
The design arranges the first increasing enthalpy heat exchanger in systems in which, further improves the operating condition of heat pump.
Embodiment 4.With reference to shown in Fig. 4, during water heating, system refrigerant flow direction is identical with embodiment 3.
During water heating+air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ First Heat Exchanger 10(water heating) the-→ the four heat exchanger 17-→ the first check valve 5-→ to enter from the 3rd cross valve 4 first interface and flow out from the 4th interface-→ increasing enthalpy heat exchanger 18 first interface from second enter and flow out Hou Fen tri-tunnel from the second interface: the first via is through second choke 9; When the condensing pressure of system exceedes setting value, the automatic pressure valve 16 of the second road automatic diverter is opened, part refrigerant passes through from the 4th flow controller 14, flows to the 4th check valve 20-→ the three heat exchanger 12(air conditioner refrigerating after two-way converges) the-→ the second cross valve 3-→ time compressor 1; Fraction refrigerant flows to the 5th flow controller 21 from the 3rd road, enters the second increasing enthalpy heat exchanger 18 carry out heat exchange after throttling from the 4th interface, then flows to compressor 1 suction side from the second increasing enthalpy heat exchanger 18 the 3rd interface.
During air conditioner refrigerating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the second heat exchanger 11-→ the second check valve 6-→ to enter from the 3rd cross valve 4 first interface and flow out from the 4th interface-→ increasing enthalpy heat exchanger 18 first interface from second enter and flow out Hou Fen tri-tunnel from the second interface: the first via is through second choke 9; When the condensing pressure of system exceedes setting value, the automatic pressure valve 16 of the second road automatic diverter is opened, part refrigerant passes through from the 4th flow controller 14, flows to the 4th check valve 20-→ the three heat exchanger 12(air conditioner refrigerating after two-way converges) the-→ the second cross valve 3-→ time compressor 1; Fraction refrigerant flows to the 5th flow controller 21 from the 3rd road, enters the second increasing enthalpy heat exchanger 18 carry out heat exchange after throttling from the 4th interface, then flows to compressor 1 suction side from the second increasing enthalpy heat exchanger 18 the 3rd interface.
During air-conditioning heating, system refrigerant flow direction is: compressor 1-→ the first cross valve 2-→ the second cross valve 3-→ the three heat exchanger 12(air-conditioning heating) the-→ the three check valve 7-→ to enter from the 3rd cross valve 4 first interface and flow out from the second interface-→ increasing enthalpy heat exchanger 19 first interface from first to enter and point two-way after flowing out from the second interface: the first via is through first throttle device 8; When the condensing pressure of system exceedes setting value, the automatic pressure valve 15 of the second road automatic diverter is opened, part refrigerant passes through from the 3rd flow controller 13, shunt again after two-way refrigerant converges: most of refrigerant flows to the second heat exchanger 11 through the 5th check valve 25, refrigerant after the second heat exchanger 11 heat exchange again through the second cross valve 3 times compressors 1; Fraction refrigerant flows into the first increasing enthalpy heat exchanger 19 through small-caliber pipeline 22, then flows to compressor 1 suction side from the first increasing enthalpy heat exchanger 19 the 3rd interface.
Embodiment 5.With reference to shown in Fig. 5, the opposite side connection first throttle device 8 and first that the 4th interface that native system also can increase enthalpy heat exchanger 19 first is connected with the 6th flow controller the 24, six flow controller 24 increases pipeline between enthalpy heat exchanger 19 second interface.
Embodiment 6.With reference to shown in Fig. 6, in same heat pump, the first increasing enthalpy heat exchanger 19 and the 6th flow controller 24 can be adopted to arrange in pairs or groups; The mode of the second increasing enthalpy heat exchanger 18 and the 5th flow controller 21 collocation system.
Embodiment 7.With reference to shown in Fig. 7, in same heat pump, the first the 4th interface increasing enthalpy heat exchanger 19 is communicated with the 6th flow controller 24 and small-caliber pipeline 22 respectively, or the second increasing enthalpy heat exchanger 18 the 4th interface is not communicated with the 5th flow controller 21 and small-caliber pipeline 23.During work, the 6th flow controller 24 and the 5th flow controller 21 also also have diverter function simultaneously; Small-caliber pipeline 22,23 then increases enthalpy heat exchange function more emphatically.
Embodiment 8.With reference to shown in Fig. 8, preferred, the 6th flow controller 24 entrance side pipeline of the design also can connect automatic pressure valve 15 outlet side, also be pipeline between the automatic pressure valve 15 of accompanying drawing 8 and the 3rd flow controller 13, when system high pressure hypertonia, automatic pressure valve 15 is opened, and part refrigerant flows through from the 6th flow controller 24 and after throttling, enters the first increasing enthalpy heat exchanger 19 heat exchange, the operating condition of improvement system, when system pressure is good, this 19, the first increasing enthalpy heat exchanger does not need to carry out heat exchange.Similar, the 5th flow controller 21 entrance side pipeline of the design also can connect automatic pressure valve 16 outlet side, is also pipeline between the automatic pressure valve 16 of accompanying drawing 8 and the 4th flow controller 14.
In sum, as required, in same heat pump, the first increasing enthalpy heat exchanger 19 both can have been adopted to arrange in pairs or groups with small-caliber pipeline 22 or the 6th flow controller 24; Also the second increasing enthalpy heat exchanger 18 can be adopted to arrange in pairs or groups with small-caliber pipeline 23 or the 5th flow controller 21, the object improving operation of heat pump operating mode can be reached equally.
In the actual production of heat pump, according to the configuration needs of system convention, compressor 1 suction side can arrange gas-liquid separator, the entrance side pipeline of gas-liquid separator and the first cross valve 2, second cross valve 3, the 3rd cross valve 4 pipeline communication.Or between compressor 1 exhaust side and the first cross valve 2, be provided with oil eliminator; In order to make the stability of system higher, reservoir can be set at First Heat Exchanger 10 or the 4th heat exchanger 17 outlet side; Conventional pressure switch, Pressure gauge, attemperating unit, device for drying and filtering etc. also can be set as required in systems in which.
The above is just invented preferred embodiment, and it does not form the restriction to invention protection domain, as long as all should belong to the protection domain of invention with the object of substantially identical means realization invention.
Claims (14)
1. the Multifunctional heat pump system of high stability, is characterized in that the main building block of system comprises: compressor (1), the first cross valve (2), the second cross valve (3), the 3rd cross valve (4), the first check valve (5), the second check valve (6), the 3rd check valve (7), first throttle device (8), second choke (9), First Heat Exchanger (10), the second heat exchanger (11), the 3rd heat exchanger (12); Be communicated with as follows by refrigerant pipe between above-mentioned parts: four interfaces of the first cross valve (2) are communicated with compressor (1) exhaust side, First Heat Exchanger (10) entrance side, compressor (1) suction side, the second cross valve (3) respectively; Other three interfaces of second cross valve (3) are communicated with the second heat exchanger (11), compressor (1) suction side, the 3rd heat exchanger (12) respectively; The first interface of the 3rd cross valve (4) is communicated with First Heat Exchanger (10) outlet, the second orifice first throttle device (8), the 3rd orifice compressor (1) suction side, the 4th orifice second choke (9); Second heat exchanger (11) opposite side is communicated with first throttle device (8) opposite side; 3rd heat exchanger (12) opposite side is communicated with second choke (9) opposite side; The inlet side communication first throttle device (8) of the second check valve (6) is communicated with the 3rd cross valve (4) first interface with the outlet side of the pipeline between the second heat exchanger (11), the second check valve (6); Pipeline between the inlet side communication second choke (9) of the 3rd check valve (7) and the 3rd heat exchanger (12); The outlet side of the 3rd check valve (7) is communicated with the 3rd cross valve (4) first interface; Described first check valve (5) is arranged between the first cross valve (2) to First Heat Exchanger (10) or between First Heat Exchanger (10) to the 3rd cross valve (4) on pipeline.
2. the Multifunctional heat pump system of high stability according to claim 1, it is characterized in that: between described First Heat Exchanger (10) outlet side to the 3rd cross valve (4) first interface, pipeline is provided with the 4th heat exchanger (17), and the first check valve (5) is located between the 4th heat exchanger (17) and the 3rd cross valve (4).
3. the Multifunctional heat pump system of high stability according to claim 1, it is characterized in that: between described First Heat Exchanger (10) outlet side to the 3rd cross valve (4) first interface, pipeline is provided with the 4th heat exchanger (17), and the first check valve (5) is located between First Heat Exchanger (10) and the 4th heat exchanger (17).
4. the Multifunctional heat pump system of the high stability according to claim 2 or 3, is characterized in that: described 4th heat exchanger (17) and the second heat exchanger (11) are monolithic construction.
5. according to the Multifunctional heat pump system of the arbitrary described high stability of claims 1 to 3, it is characterized in that: described first throttle device (8) has been arranged in parallel at least one group of automatic diverter, the automatic pressure valve (15) that described automatic diverter comprises the 3rd flow controller (13) and connects with the 3rd flow controller.
6. according to the Multifunctional heat pump system of the arbitrary described high stability of claims 1 to 3, it is characterized in that: described second choke (9) has been arranged in parallel at least one group of automatic diverter, the automatic pressure valve (16) that described automatic diverter comprises the 4th flow controller (14) and connects with the 4th flow controller (14).
7., according to the Multifunctional heat pump system of the arbitrary described high stability of claims 1 to 3, it is characterized in that: between first throttle device (8) and the second heat exchanger (11), be provided with the 5th check valve (25); Pipeline between inlet side communication the 5th check valve (25) outlet side of the second check valve (6) and the second heat exchanger (11); The first increasing enthalpy heat exchanger (19) is also provided with between described first throttle device (8) and the 3rd cross valve (4) second interface, first the 3rd orifice increasing enthalpy heat exchanger (19) compresses suction side, and the first the 4th interface increasing enthalpy heat exchanger (19) connects pipeline between first throttle device (8) and the second check valve (6) by small-caliber pipeline (22).
8., according to the Multifunctional heat pump system of the arbitrary described high stability of claims 1 to 3, it is characterized in that: between first throttle device (8) and the second heat exchanger (11), be provided with the 5th check valve (25); Pipeline between inlet side communication the 5th check valve (25) outlet side of the second check valve (6) and the second heat exchanger (11); The first increasing enthalpy heat exchanger (19) is also provided with between described first throttle device (8) and the 3rd cross valve (4) second interface, first the 3rd orifice increasing enthalpy heat exchanger (19) compresses suction side, first the 4th interface increasing enthalpy heat exchanger (19) is connected with the 6th flow controller (24), and the opposite side of the 6th flow controller (24) is communicated with first throttle device (8) and first and increases pipeline between enthalpy heat exchanger (19) second interface.
9. the Multifunctional heat pump system of high stability according to claim 8, is characterized in that: the first the 4th interface increasing enthalpy heat exchanger (19) connects pipeline between first throttle device (8) and the second check valve (6) by small-caliber pipeline (22).
10., according to the Multifunctional heat pump system of the arbitrary described high stability of claims 1 to 3, it is characterized in that: between second choke (9) and the 3rd heat exchanger (12), be provided with the 4th check valve (20); Pipeline between inlet side communication the 4th check valve (20) outlet side of the 3rd check valve (7) and the 3rd heat exchanger (12); The second increasing enthalpy heat exchanger (18) is also provided with between described second choke (9) and the 3rd cross valve (4) the 4th interface, 3rd orifice suction side of the second increasing enthalpy heat exchanger (18), the second the 4th interface increasing enthalpy heat exchanger (18) connects pipeline between second choke (9) and the 4th check valve (20) by small-caliber pipeline (23).
11., according to the Multifunctional heat pump system of the arbitrary described high stability of claims 1 to 3, is characterized in that: be provided with the 4th check valve (20) between second choke (9) and the 3rd heat exchanger (12); Pipeline between inlet side communication the 4th check valve (20) outlet side of the 3rd check valve (7) and the 3rd heat exchanger (12); The second increasing enthalpy heat exchanger (18) is also provided with between described second choke (9) and the 3rd cross valve (4) the 4th interface, 3rd orifice suction side of the second increasing enthalpy heat exchanger (18), second the 4th interface increasing enthalpy heat exchanger (18) is connected with the 5th flow controller (21), and the opposite side of the 5th flow controller (21) is communicated with second choke (9) and second and increases pipeline between enthalpy heat exchanger (18) second interface.
The Multifunctional heat pump system of 12. high stabilities according to claim 11, is characterized in that: the second the 4th interface increasing enthalpy heat exchanger (18) connects pipeline between second choke (9) and the 4th check valve (20) by small-caliber pipeline (23).
The Multifunctional heat pump system of 13. high stabilities according to claim 5, is characterized in that: be provided with the 5th check valve (25) between first throttle device (8) and the second heat exchanger (11); Pipeline between inlet side communication the 5th check valve (25) outlet side of the second check valve (6) and the second heat exchanger (11); The first increasing enthalpy heat exchanger (19) is also provided with between described first throttle device (8) and the 3rd cross valve (4) second interface, first the 3rd orifice increasing enthalpy heat exchanger (19) compresses suction side, first the 4th interface increasing enthalpy heat exchanger (19) is connected with the 6th flow controller (24), and the opposite side of the 6th flow controller (24) is communicated with automatic pressure valve (15) outlet side pipeline.
The Multifunctional heat pump system of 14. high stabilities according to claim 6, is characterized in that: be provided with the 4th check valve (20) between second choke (9) and the 3rd heat exchanger (12); Pipeline between inlet side communication the 4th check valve (20) outlet side of the 3rd check valve (7) and the 3rd heat exchanger (12); The second increasing enthalpy heat exchanger (18) is also provided with between described second choke (9) and the 3rd cross valve (4) the 4th interface, 3rd orifice suction side of the second increasing enthalpy heat exchanger (18), second the 4th interface increasing enthalpy heat exchanger (18) is connected with the 5th flow controller (21), and the opposite side of the 5th flow controller (21) is communicated with automatic pressure valve (16) outlet side pipeline.
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| CN104697240B (en) | 2017-01-18 |
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