CN108120049A - Integrated air source heat pump system - Google Patents
Integrated air source heat pump system Download PDFInfo
- Publication number
- CN108120049A CN108120049A CN201711443212.7A CN201711443212A CN108120049A CN 108120049 A CN108120049 A CN 108120049A CN 201711443212 A CN201711443212 A CN 201711443212A CN 108120049 A CN108120049 A CN 108120049A
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- valve
- heat exchanger
- solenoid valve
- air source
- pump system
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000008676 import Effects 0.000 claims abstract description 12
- 210000005239 tubule Anatomy 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 38
- 238000010257 thawing Methods 0.000 abstract description 25
- 238000005057 refrigeration Methods 0.000 abstract description 10
- 239000003507 refrigerant Substances 0.000 description 26
- 238000001816 cooling Methods 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000008020 evaporation Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000008400 supply water Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000006837 decompression Effects 0.000 description 3
- 238000005338 heat storage Methods 0.000 description 3
- 239000010721 machine oil Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000010726 refrigerant oil Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- 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
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of integrated air source heat pump system, compressor outlet passes sequentially through the first solenoid valve, storage heater first passage, the 5th solenoid valve and is connected to four-way reversing valve first interface；Four-way reversing valve second interface passes sequentially through indoor set heat exchanger, expansion valve, outdoor unit heat exchanger and is connected to the 4th interface of four-way reversing valve；The 3rd interface of four-way reversing valve is sequentially connected second solenoid valve, gas-liquid separator, compressor inlet；Storage heater second channel one end is connected to gas-liquid separator import, and the other end is sequentially connected capillary, the 3rd solenoid valve, the 3rd interface of four-way reversing valve；Four-way reversing valve first interface is sequentially connected the 4th solenoid valve, hot water heat exchanger and the outlet of storage heater first passage；The first by-passing valve is connected between compressor outlet and the outlet of storage heater first passage；Expansion valve both ends are connected with the second by-passing valve.The present invention can not only heating and refrigeration, supplying hot water, and in heating mode quickly defrosting without influence system normal operation.
Description
Technical field
The invention belongs to heat pump system technical fields, and in particular to a kind of integrated air source heat pump system.
Background technology
Air source heat pump in winter heating mode run when, air-side heat exchanger（Outdoor unit）Play the work of evaporator
With since environment temperature is relatively low, the temperature of heat exchanger surface also declines or even can be less than 0 DEG C therewith, is changed when outdoor air flows through
During hot device coil pipe, contained by moisture condensation or even frost layer will be formd.The formation of frost layer adds thermal conduction resistance,
The heat transfer coefficient of air-side heat exchanger is reduced, reduces the air mass flow for flowing through air-side heat exchanger.With thickening for frost layer,
Evaporating temperature decline is will appear from, heating capacity declines and fan performance is decayed etc..Heating efficiency is influenced, shuts down, makes when serious
Unit cisco unity malfunction.Therefore, these need to be solved the problems, such as with the method for defrosting.
At present, there are two types of modes for the defrosting system that removes of air source heat pump：First, the high-temperature gas come out from compressor passes through side
Siphunculus road enters directly into outdoor unit heat exchanger, defrosts；Second is that using four-way reversing valve, by heat pump system by heating condition
Operation is changed into cooling condition operation.But both Defrost modes there are it is certain the defects of, be mainly manifested in：Due to
During high-temperature gas defrosts, for the energy wasted work from compressor substantially of defrosting, the shortage of heat of defrosting is supplied,
Cause air-breathing, pressure at expulsion variation violent, it is big to the impact of compressor；System refrigerant liquid measure is big；It inverse is followed using general
Ring defrosts, and not only control aspect becomes complicated, and during defrosting, heat pump system can not carry out heat supply, influence normal use, and
And evaporator and condenser frequent transitions, it can seriously destroy the normal operation of unit.There is decline of pressure in the incipient stage of defrosting
Process, some systems can cause to shut down because low-voltage variation value is decayed to；Defrosting phenomenon occurs sometimes by mistake, can cause to condense
Device pressure raises suddenly, and instrument is caused to damage；Defrosting process does not heat not only, but also from heat supply Spatial absorptive heat, thus
It makes a big impact to the hot water stored in water tank.Due to supplying the shortage of heat of defrosting, defrosting time is caused to lengthen, is defrosted
Energy loss increases.
As it can be seen that the prior art could be improved and improve.
The content of the invention
In view of in place of above-mentioned the shortcomings of the prior art, it is an object of the invention to provide a kind of integrated air source of the gas heat
Pumping system using heat storage technology, sets storage heater, it is only necessary to simply be switched, can defrost, and not influence heat
The normal heating of pumping system has the advantages that simple, reliable and stable, continuous heating is controlled to be not required to cold and hot pattern switching.
In order to realize the technical purpose mentioned above arrived, this invention takes following technical schemes：
A kind of integrated air source heat pump system, including compressor, storage heater, four-way reversing valve, indoor set heat exchanger, outdoor unit
Heat exchanger, first throttling device, second throttling device, the first solenoid valve, second solenoid valve and the 3rd solenoid valve, the compressor
Outlet pass sequentially through the first solenoid valve, the first passage of storage heater is connected to the first interface of four-way reversing valve；The four-way
The second interface of reversal valve passes sequentially through indoor set heat exchanger, first throttling device, outdoor unit heat exchanger and is connected to four-way commutation
4th interface of valve；3rd interface of the four-way reversing valve is sequentially connected the import of second solenoid valve and compressor；The storage
Second channel one end of hot device is connected to the import of compressor, and the second channel other end of storage heater is sequentially connected the second throttling dress
It puts, the 3rd interface of the 3rd solenoid valve, four-way reversing valve；Between the outlet of the compressor and the first passage outlet of storage heater
It is connected with the first by-passing valve；The first throttling device both ends are connected with the second by-passing valve.
In the integrated air source heat pump system, the heat pump system further include hot water heat exchanger, the 4th solenoid valve and
5th solenoid valve；The first interface of the four-way reversing valve is sequentially connected the of the 4th solenoid valve, hot water heat exchanger and storage heater
One channel outlet；The first passage of first interface and storage heater that the 5th solenoid valve both ends are connected to four-way reversing valve goes out
Mouthful.
In the integrated air source heat pump system, it is connected between the indoor set heat exchanger and first throttling device
First filter is connected with the second filter between the outdoor unit heat exchanger and first throttling device.
In the integrated air source heat pump system, the first throttling device is expansion valve.
In the integrated air source heat pump system, which further includes water tank；The hot water heat exchanger is set
In water tank.
In the integrated air source heat pump system, which further includes gas-liquid separator；The gas-liquid separation
The outlet of device is connected to the import of compressor, and the import of gas-liquid separator is connected to outlet and the second electricity of storage heater second channel
The outlet of magnet valve.
In the integrated air source heat pump system, the second throttling device is capillary.
In the integrated air source heat pump system, the integrated air source heat pump system is arranged to one or more
A, one or more integrated air source heat pump systems share same indoor set heat exchanger and same water tank.
In the integrated air source heat pump system, the hot water heat exchanger is spiral tube exchanger.
Advantageous effect：
The present invention provides a kind of integrated air source heat pump systems, heat storage technology are employed, by setting accumulation of heat in system
Device and the first bypass line, the second bypass line, realize and defrost in heating operations, do not influence system and normally heat.
Under normal continuous heating, heat supply water condition, only it need to pass through the simple control to the second by-passing valve, second solenoid valve and the 3rd solenoid valve
System, carries out the keying of defrosting mode, the partial heat of the high temperature and high pressure gas from compressor outlet is saved by storage heater
Get up, remaining heat is produced for hot water, indoor hot-air, from the refrigerant that indoor set heat exchanger comes out by second by
Port valve is into the outdoor unit heat exchanger for not running work, and due to entering defrosting mode, the wind turbine that outdoor unit heat exchanger is set will stop
Only run, refrigerant without expansion valve decompression cooling, in outdoor unit heat exchanger with the frost layer of outdoor unit heat exchanger outer surface
Fusing frost layer work is completed in heat exchange, and then refrigerant flow to storage heater heat absorption evaporation through capillary, then passes through gas-liquid separator
Effect flow back into compressor, form working cycles.When adjusting to defrosting mode, system remains in heating, heat supply water transport
Row state simply changes the working condition of outdoor unit heat exchanger, expansion valve, storage heater, and system is ensure that after realizing defrosting
Continue normal operation, cooling condition, heating condition is not required to toggle.
Description of the drawings
Fig. 1 is the connection diagram of integrated air source heat pump system provided by the invention.
Fig. 2 is connection diagram of the integrated air source heat pump system provided by the invention in another specific embodiment.
Fig. 3 is the operation principle signal that integrated air source heat pump system provided by the invention is run in single refrigeration mode
Figure.
Fig. 4 is operation principle of the integrated air source heat pump system provided by the invention in refrigeration alliance hot-water mode operation
Schematic diagram.
Fig. 5 is that integrated air source heat pump system provided by the invention is illustrated in the operation principle of single heating mode operation
Figure.
Fig. 6 is the operation principle that integrated air source heat pump system provided by the invention is run in heating alliance hot-water mode
Schematic diagram.
Fig. 7 is operation principle of the integrated air source heat pump system provided by the invention in summer list supplying hot water mode operation
Schematic diagram.
Fig. 8 is the operation principle of integrated air source heat pump system provided by the invention single supplying hot water mode operation in winter
Schematic diagram.
Fig. 9 shows for integrated air source heat pump system provided by the invention in the operation principle that single heating pattern defrosts
It is intended to.
Figure 10 is the work that integrated air source heat pump system provided by the invention defrosts in heating alliance hot-water mode
Make principle schematic.
Figure 11 is that integrated air source heat pump system provided by the invention is former in the work that single heat supply aqueous mode defrosts
Manage schematic diagram.
Specific embodiment
The present invention provides a kind of integrated air source heat pump system, to make the purpose of the present invention, technical solution and effect
Clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.It should be appreciated that this place is retouched
The specific embodiment stated only to explain the present invention, is not intended to limit the present invention.
In the description of the present invention, it is to be understood that term " first ", " second ", " the 3rd ", " the 4th ", " the 5th "
Description purpose is only used for, and it is not intended that indicating or implying relative importance or imply the technical characteristic indicated by indicating
Quantity.
Referring to Fig. 2, the present invention provides a kind of integrated air source heat pump system, including compressor 1, storage heater 10,
Four-way reversing valve 3, indoor set heat exchanger 4, outdoor unit heat exchanger 7, first throttling device 6, second throttling device 18, the first electromagnetism
Valve 12,13 and the 3rd solenoid valve 14 of second solenoid valve, the outlet of compressor 1 pass sequentially through the first solenoid valve 12, storage heater 10
First passage is connected to the first interface of four-way reversing valve 3；The second interface of four-way reversing valve 3 passes sequentially through indoor set heat exchanger
4th, first throttling device 6, outdoor unit heat exchanger 7 are connected to the 4th interface of four-way reversing valve 3；The 3rd of four-way reversing valve 3 connects
Mouth is sequentially connected the import of second solenoid valve 13 and compressor 1；Second channel one end of storage heater 10 be connected to compressor 1 into
Mouthful, the second channel other end of storage heater 10 is sequentially connected second throttling device 18, the 3rd solenoid valve 14, four-way reversing valve 3
3rd interface；The first by-passing valve 11 is connected between the outlet of compressor 1 and the first passage outlet of storage heater 10；First throttle
6 both ends of device are connected with the second by-passing valve 17.The setting of first by-passing valve 11 and the first solenoid valve 12 for storage heater 10 into
Row bypass, working condition of the regulation and control storage heater 10 in system；The setting of second by-passing valve 17 for first throttling device 6 into
Row bypass, promotes refrigerant to pass through the second by-passing valve 17 to flow to outdoor unit heat exchanger 7 without first throttling device 6.In addition, the
One end of one throttling set 6 can set a solenoid valve.Indoor set heat exchanger 4 is provided with indoor fan 5, and outdoor unit heat exchanger 7 is set
Outdoor fan 8 is equipped with, is to promote air flow, strengthens heat transfer effect.The heat pump system can provide refrigeration, heating, remove
The function of frost, and need not carry out cooling condition, heating operating mode frequent switching in defrosting operation is needed, it is ensured that in heating pattern
Can quickly and effectively be defrosted work under normal operation.
As shown in Figure 1, further, which further includes gas-liquid separator 2；The outlet connection of gas-liquid separator 2
In the import of compressor 1, the import of gas-liquid separator 2 is connected to the outlet of 10 second channel of storage heater and second solenoid valve 13
Outlet.The refrigerant for absorbing heat of vaporization first passes through the centrifugation of gas-liquid separator 2 before compressor 1 is entered, and realizes gas-liquid
Separation avoids liquid refrigerant or machine oil from entering compressor 1,1 liquid hit phenomenon of compressor occurs, damages the air valve of compressor 1.Separately
Outside, it can set to recycle the pipeline of machine oil in gas-liquid separator 2, machine oil is recycled to the sump of compressor.
Further, which further includes hot water heat exchanger（It is unmarked in figure）, the 4th solenoid valve 16 and the 5th electricity
Magnet valve 15；It is first logical to be sequentially connected the 4th solenoid valve 16, hot water heat exchanger and storage heater 10 for the first interface of four-way reversing valve 3
Road exports；5th solenoid valve, 15 both ends are connected to the first passage outlet of the first interface and storage heater 10 of four-way reversing valve 3.
The first passage outlet of storage heater 10 sets hot water heat exchanger, has increased the function of the system newly --- and production hot water not only may be used
With refrigeration and heating, hot water supply is also provided to the user.In the case of need not produce hot water, by adjusting the 4th solenoid valve 16
With the 5th solenoid valve 15, hot water heat exchanger is bypassed so that refrigerant only flows through the 5th solenoid valve 15.In addition, by the of first
11 and second by-passing valve 17 of port valve belongs to the valve of Electromagnetic Control.
Further, first filter 20 is connected between indoor set heat exchanger 4 and first throttling device 6, outdoor unit changes
The second filter 19 is connected between hot device 7 and first throttling device 6.The setting of 20 and second filter 19 of first filter is
For being filtered to the refrigerant into first throttling device 6, the moisture that adsorption refrigerating agent is mixed with prevents first throttling device
6 generation ice block up accident.
Preferably, first throttling device 6 is selected as expansion valve.Second throttling device 18 is capillary.
Further, which further includes water tank 9；Hot water heat exchanger is arranged in water tank 9.Preferably, hot water changes
Hot device is spiral tube exchanger.A large amount of domestic waters are saved in water tank 9, keep certain liquid level, liquid level sensor and control are set
Device processed carries out the Liquid level of water tank 9, it is ensured that spiral tube exchanger is fully immersed in domestic water, is come into full contact with water, increase
The heat of refrigerant is passed to domestic water by spiral tube exchanger, promotes its temperature by the heat exchange area of the two.In addition,
The temperature sensor being electrically connected with the controller can be also set, it is ensured that water temperature meets user demand.
According to the variation in season or the difference of user's requirement, integrated air source heat pump system provided by the invention can
To be run under a variety of different patterns.
First, run in cooling mode, when being not required to that hot water is provided and carries out single refrigeration work, as shown in Figure 3：First first
Solenoid valve 12, the 3rd solenoid valve 14, the 4th solenoid valve 16 and the second by-passing valve 17 are closed, storage heater 10 and heat
Water- to-water heat exchanger does not run work.Refrigerant changes after the outflow of compressor 1 by the first by-passing valve 11, the 5th solenoid valve 15 and four-way
Outdoor unit heat exchanger 7 is entered to valve 3 to be condensed, then machine heat exchanger 4 is got in by expansion valve 6, absorbs room air
Heat flow to gas-liquid separator 2 by four-way reversing valve 3 and second solenoid valve 13 after evaporation and carries out gas-liquid separation, finally flows back to
To compressor 1, this completes refrigeration cycle.By the bypass action of the first by-passing valve 11 and the 5th solenoid valve 15, promote
Refrigerant does not flow into storage heater 10 and hot water heat exchanger, it is possible to reduce unnecessary pressure drop ensures high Energy Efficiency Ratio.
When there is supplying hot water demand, as shown in Figure 4：First solenoid valve 12, the 5th solenoid valve 15, the second by-passing valve in system
17 and the 3rd solenoid valve 14 be turned off, storage heater 10 does not work.Enter after refrigerant outflow compressor 1 by the first by-passing valve 11
Its high heat is transferred the domestic water in feed-tank 9, is condensed subsequently into outdoor unit heat exchanger 7 by hot water heat exchanger, expanded
Reach indoor set heat exchanger 4 after valve 6, cold is provided for room air, returned to after through second solenoid valve 13 and gas-liquid separator 2
In compressor 1, the cycling of production hot water and refrigeration is formd.System is carried out at the same time indoor refrigeration and hot water production at this time, reduces
Condensation heat is outwardly discharged, by partial condensation heat utilization into hot water production, additionally by the effect of the first by-passing valve 11 so that
Refrigerant does not enter storage heater 10, can reduce the unnecessary pressure loss, effectively increases the Energy Efficiency Ratio of system.
Since in process of refrigerastion, outdoor unit heat exchanger 7 is not in frosting problem, storage heater 10 does not work, therefore to storing
Hot device 10 is bypassed, and refrigerant is promoted not flow into storage heater 10, and the unnecessary pressure loss is caused to generate.
2nd, run in a heating mode, when being not required to provide hot water progress list heating work, as shown in Figure 5：It will be in system
First by-passing valve 11, the second by-passing valve 17, the 3rd solenoid valve 14 and the 4th solenoid valve 16 are closed, and promote what is come out by compressor 1
Refrigerant enters storage heater 10, and partial heat is stored, and is then got in through the 5th solenoid valve 15, four-way reversing valve 3
Machine heat exchanger 4 improves the temperature of room air, by expansion valve 6 into the heat absorption evaporation of outdoor unit heat exchanger 7, most afterwards through the
Two solenoid valves 13 and gas-liquid separator 2 flow back into compressor 1, complete the working cycles singly heated.In order to reduce unnecessary pressure
Damage, ensures high Energy Efficiency Ratio, by the bypass of the 5th solenoid valve 15, refrigerant is made not flow in hot water heat exchanger.
When there is supplying hot water demand, as shown in Figure 6：The first by-passing valve 11, the second by-passing valve the 17, the 3rd in closing system
14 and the 5th solenoid valve 15 of solenoid valve.After refrigerant outflow compressor 1, into storage heater 10, partial heat is stored, so
Exchange heat afterwards into the domestic water in hot water heat exchanger, with water tank 9, after machine got in by four-way reversing valve 3 exchange heat
Device 4 improves the temperature of room air, by expansion valve 6 into the heat absorption evaporation of outdoor unit heat exchanger 7, most afterwards through the second electromagnetism
Valve 13 and gas-liquid separator 2 flow back into compressor 1, form the working cycles of heating and supplying hot water.
When heating mode is run, refrigerant in outdoor unit heat exchanger 7 with external environment by exchanging heat, refrigerant
Absorb heat of vaporization, but in winter, system operation for a period of time after, the outer surface of outdoor unit heat exchanger 7 is present with frosting,
Therefore need periodically to defrost to it.
As shown in figure 5, heat pump system is just carrying out single heating work；As shown in fig. 6, heat pump system just carries out heating and heat supply
Water conservancy project is made.In a heating mode, when frosting problem occurs in outdoor unit heat exchanger 7, then the adjusting in carry out system immediately.Single system
The system situation to defrost under thermal condition, as shown in Figure 9；The system situation to defrost under heating and heat supply water condition, such as
Shown in Figure 10.Referring to Fig. 5 and Fig. 9, Fig. 6 and Figure 10, analysis can obtain：It, only need to be the second by-passing valve 17, the by shirtsleeve operation
Three solenoid valves 14 are opened, and outdoor fan 8 and second solenoid valve 13 are closed, and just enter defrosting work, from indoor set heat exchanger 4
Decompression cooling of the refrigerant out without expansion valve 6, but pass through the second by-passing valve 17 and enter outdoor unit heat exchanger 7, with room
The frost layer of outer 7 outer surface of machine heat exchanger exchanges heat, and melts frost layer, moreover, during defrosting, heat pump system is being protected always
Hold heating, be that cooling condition and heating condition need not be toggled, can realize defrosting, it is often more important that do not influence be
The heating work of the normal continuities of system.
3rd, in single supplying hot water mode operation, when summer needs supplying hot water, as shown in Figure 7：The first solenoid valve in system
12nd, the indoor fan 5 of the 3rd solenoid valve 14, the 5th solenoid valve 15, the second by-passing valve 17 and indoor set heat exchanger 4 is turned off, and is stored
Hot device 10 is not run.It is generated to reduce unnecessary crushing, refrigerant enters after being come out from compressor 1 through the first by-passing valve 11
Hot water heat exchanger provides heat for the domestic water of water tank 9, produces hot water, indoor unit heat exchange is flowed into through four-way reversing valve 3 after
Device 4, at this time indoor fan 5 close, refrigerant is indoors without heat exchange in machine heat exchanger 4.Then go out from indoor set heat exchanger 4
The expanded valve 6 of refrigerant come absorbs evaporation into outdoor unit heat exchanger 7, finally successively by second solenoid valve 13 and gas-liquid point
Compressor 1 is returned to from device 2, forms working cycles.
When winter needs supplying hot water, as shown in Figure 8：By the first by-passing valve 11, the 17, the 3rd electricity of the second by-passing valve in system
14 and the 5th solenoid valve 15 of magnet valve and indoor fan 5 are closed.The refrigerant for compressing out by compressor 1 enters storage heater 10,
Partial heat savings are got up, hot water heat exchanger is subsequently entered, provides heat for domestic water, changed then in turn through indoor unit
Hot device 4, expansion valve 6 flow into outdoor unit heat exchanger 7 and absorb external heat evaporation, finally through second solenoid valve 13 and gas-liquid separator
2 flow back to compressor 1, complete one action Xun Huan.When carrying out single supplying hot water work in winter, system operation for a period of time after,
Outdoor unit heat exchanger 7 is susceptible to frost, then then defrosts, it as shown in figure 11, only need to be the second by-passing valve
17th, the 3rd solenoid valve 14 is opened, and outdoor fan 8 and second solenoid valve 13 are closed, and just enters defrosting work, moreover, except
In the process of frost, heat pump system is keeping heating always, is that need not toggle cooling condition and heating condition,
Realize defrosting, it is often more important that do not influence the heating work of the normal continuities of system.
In another specific embodiment, integrated air source heat pump system is arranged to multiple, multiple integrated air sources of the gas
Heat pump system shares same indoor set heat exchanger and same water tank.
In conclusion the present invention provides a kind of integrated air source heat pump systems, heat storage technology is employed, by being
Storage heater and the first bypass line, the second bypass line in system are set, realizes and defrosts in heating operations, do not influence system
Normal heating.It, only need to be by the second by-passing valve, second solenoid valve and the 3rd electricity under normal continuous heating, heat supply water condition
The simple control of magnet valve, carries out the keying of defrosting mode, and the partial heat of the high temperature and high pressure gas from compressor outlet is led to
Cross storage heater savings, remaining heat is produced for hot water, indoor hot-air, the refrigeration come out from indoor set heat exchanger
Agent is by the second by-passing valve into the outdoor unit heat exchanger for not running work, and due to entering defrosting mode, outdoor unit heat exchanger is set
The wind turbine put will be out of service, decompression cooling of the refrigerant without expansion valve, in outdoor unit heat exchanger and outdoor unit heat exchanger
Fusing frost layer work is completed in the frost layer heat exchange of outer surface, and then refrigerant flow to storage heater heat absorption evaporation through capillary, then logical
The effect for crossing gas-liquid separator flows back into compressor, forms working cycles.When adjusting to defrosting mode, system remains in system
Heat, supplying hot water operating status simply change the working condition of outdoor unit heat exchanger, expansion valve, storage heater, after realizing defrosting
It ensure that system continues normal operation, cooling condition, heating condition be not required to toggle.
It should be appreciated that for those of ordinary skills, it can be with technique according to the invention scheme and its hair
Bright design is subject to equivalent substitution or change, and all these changes or replacement should all belong to the guarantor of appended claims of the invention
Protect scope.
Claims (9)
1. a kind of integrated air source heat pump system, including compressor, storage heater, four-way reversing valve, indoor set heat exchanger, outdoor
Machine heat exchanger, first throttling device, second throttling device, the first solenoid valve, second solenoid valve and the 3rd solenoid valve, feature exist
In the outlet of, the compressor passes sequentially through the first solenoid valve, the first passage of storage heater is connected to the first of four-way reversing valve
Interface；The second interface of the four-way reversing valve passes sequentially through indoor set heat exchanger, first throttling device, outdoor unit heat exchanger and connects
It is connected to the 4th interface of four-way reversing valve；3rd interface of the four-way reversing valve is sequentially connected second solenoid valve and compressor
Import；Second channel one end of the storage heater is connected to the import of compressor, and the second channel other end of storage heater connects successively
Connect second throttling device, the 3rd solenoid valve, the 3rd interface of four-way reversing valve；The outlet of the compressor and the first of storage heater
The first by-passing valve is connected between channel outlet；The first throttling device both ends are connected with the second by-passing valve.
2. integrated air source heat pump system according to claim 1, which is characterized in that further include hot water heat exchanger,
Four solenoid valves and the 5th solenoid valve；The first interface of the four-way reversing valve be sequentially connected the 4th solenoid valve, hot water heat exchanger and
The first passage outlet of storage heater；The 5th solenoid valve both ends be connected to four-way reversing valve first interface and storage heater
One channel outlet.
3. integrated air source heat pump system according to claim 1, which is characterized in that the indoor set heat exchanger and
First filter is connected between one throttling set, the second mistake is connected between the outdoor unit heat exchanger and first throttling device
Filter.
4. integrated air source heat pump system according to claim 1, which is characterized in that the first throttling device is swollen
Swollen valve.
5. integrated air source heat pump system according to claim 2, which is characterized in that further include water tank；The hot water
Heat exchanger is arranged in water tank.
6. integrated air source heat pump system according to claim 1, which is characterized in that further include gas-liquid separator；Institute
The outlet for stating gas-liquid separator is connected to the import of compressor, and the import of gas-liquid separator is connected to going out for storage heater second channel
The outlet of mouth and second solenoid valve.
7. integrated air source heat pump system according to claim 1, which is characterized in that the second throttling device is hair
Tubule.
8. integrated air source heat pump system according to claim 5, which is characterized in that the integrated air source of the gas heat pump
System is arranged to one or more, and one or more integrated air source heat pump systems share same indoor set heat exchanger and same
One water tank.
9. integrated air source heat pump system according to claim 5, which is characterized in that the hot water heat exchanger is spiral
Heat exchange of heat pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443212.7A CN108120049A (en) | 2017-12-27 | 2017-12-27 | Integrated air source heat pump system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711443212.7A CN108120049A (en) | 2017-12-27 | 2017-12-27 | Integrated air source heat pump system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108120049A true CN108120049A (en) | 2018-06-05 |
Family
ID=62232154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711443212.7A Pending CN108120049A (en) | 2017-12-27 | 2017-12-27 | Integrated air source heat pump system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108120049A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786489Y (en) * | 2004-11-10 | 2006-06-07 | 宗毅 | Air-conditioning water heater |
| CN101236026A (en) * | 2007-01-31 | 2008-08-06 | 卢海南 | Air conditioner water heater coolant circulating device |
| CN101338960A (en) * | 2008-08-13 | 2009-01-07 | 哈尔滨工业大学 | Continuous heat supply phase-change energy storage defrosting system |
| CN103344068A (en) * | 2013-07-31 | 2013-10-09 | 哈尔滨工业大学 | Energy-saving defrosting air source heat pump system |
| CN203907772U (en) * | 2014-04-22 | 2014-10-29 | 珠海格力电器股份有限公司 | Air conditioning system with defrosting function |
| CN105605820A (en) * | 2015-12-21 | 2016-05-25 | 珠海格力电器股份有限公司 | Heat pump system |
| CN106225290A (en) * | 2016-07-15 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN106288564A (en) * | 2016-09-30 | 2017-01-04 | 芜湖美智空调设备有限公司 | Air conditioning system |
| CN106705304A (en) * | 2017-01-10 | 2017-05-24 | 美的集团武汉制冷设备有限公司 | Air conditioner and defrosting control method of air conditioner |
| CN106766374A (en) * | 2016-12-20 | 2017-05-31 | 广东华天成新能源科技股份有限公司 | A kind of liter of air injection enthalpy-increasing heat pump of water temperature defrosting |
| CN207936543U (en) * | 2017-12-27 | 2018-10-02 | 广东申菱环境***股份有限公司 | Integrated air source heat pump system |
-
2017
- 2017-12-27 CN CN201711443212.7A patent/CN108120049A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2786489Y (en) * | 2004-11-10 | 2006-06-07 | 宗毅 | Air-conditioning water heater |
| CN101236026A (en) * | 2007-01-31 | 2008-08-06 | 卢海南 | Air conditioner water heater coolant circulating device |
| CN101338960A (en) * | 2008-08-13 | 2009-01-07 | 哈尔滨工业大学 | Continuous heat supply phase-change energy storage defrosting system |
| CN103344068A (en) * | 2013-07-31 | 2013-10-09 | 哈尔滨工业大学 | Energy-saving defrosting air source heat pump system |
| CN203907772U (en) * | 2014-04-22 | 2014-10-29 | 珠海格力电器股份有限公司 | Air conditioning system with defrosting function |
| CN105605820A (en) * | 2015-12-21 | 2016-05-25 | 珠海格力电器股份有限公司 | Heat pump system |
| CN106225290A (en) * | 2016-07-15 | 2016-12-14 | 珠海格力电器股份有限公司 | Air conditioner and control method thereof |
| CN106288564A (en) * | 2016-09-30 | 2017-01-04 | 芜湖美智空调设备有限公司 | Air conditioning system |
| CN106766374A (en) * | 2016-12-20 | 2017-05-31 | 广东华天成新能源科技股份有限公司 | A kind of liter of air injection enthalpy-increasing heat pump of water temperature defrosting |
| CN106705304A (en) * | 2017-01-10 | 2017-05-24 | 美的集团武汉制冷设备有限公司 | Air conditioner and defrosting control method of air conditioner |
| CN207936543U (en) * | 2017-12-27 | 2018-10-02 | 广东申菱环境***股份有限公司 | Integrated air source heat pump system |
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