CN208332737U - Single double stage heat pump heating and refrigeration system - Google Patents
Single double stage heat pump heating and refrigeration system Download PDFInfo
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- CN208332737U CN208332737U CN201820068356.2U CN201820068356U CN208332737U CN 208332737 U CN208332737 U CN 208332737U CN 201820068356 U CN201820068356 U CN 201820068356U CN 208332737 U CN208332737 U CN 208332737U
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Abstract
The utility model discloses a kind of single double stage heat pump heating and refrigeration systems, wherein air source heat pump evaporator is separately connected air source heat pump compressor and condensation-evaporation triple channel heat exchanger by air source heat pump four-way valve, condensation-evaporation triple channel heat exchanger connects air source heat pump evaporator by air source heat pump expansion valve, forms first circulation circuit；Condensation-evaporation triple channel heat exchanger is connected through water resource heat pump compressor with water resource heat pump condenser, and water resource heat pump condenser is connect through water resource heat pump expansion valve with condensation-evaporation triple channel heat exchanger, forms second circulation circuit；Water resource heat pump condenser connects energy-accumulating water tank, then pumps connection energy supply water return pipeline through first circulation, forms third circulation loop；Energy-accumulating water tank is pumped through second circulation and is connect with condensation-evaporation triple channel heat exchanger, and condensation-evaporation triple channel heat exchanger connects energy-accumulating water tank；Pass through the first valve and the second valve connection energy supply outlet pipeline on energy-accumulating water tank.The utility model realizes high temperature heating, and cryogenic refrigeration has the advantages that system energy efficiency is higher.
Description
Technical field
The utility model relates to heat pump application fields, and in particular to a kind of list double stage heat pump heating and refrigeration system.
Background technique
It is mainly currently on the market cascade system similar to heat pump system.Existing system has the following problems: 1. systems are adopted
When warm can only twin-stage operation, be unable to single-stage, heating Energy Efficiency Ratio is low；2. system can only heating, cannot freeze, have a single function；3. system
When system defrost, the heat of end is absorbed, the comfort of heating is influenced；4. without insulated building, antifreeze Resolving probiems are not thorough, water pump,
Water tank etc. needs to occupy architecture indoor space.
Utility model content
It is high to provide a kind of realization in order to solve the higher deficiency of cost of manufacture existing in the prior art for the utility model
Temperature heating, cryogenic refrigeration, the higher single double stage heat pump heating of system energy efficiency and refrigeration system.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of list double stage heat pump heating and refrigeration system, including first circulation circuit, second circulation circuit, third are recycled back to
Road, air source heat pump evaporator and condensation-evaporation triple channel heat exchanger.
The air source heat pump evaporator connects air source heat pump four-way valve, and the air source heat pump four-way valve is separately connected
Air source heat pump compressor and condensation-evaporation triple channel heat exchanger first passage, the condensation-evaporation triple channel heat exchanger
First passage connects the input end of air source heat pump evaporator by air source heat pump expansion valve, forms first circulation circuit；
The condensation-evaporation triple channel heat exchanger second channel is through water resource heat pump compressor and water resource heat pump condenser
One end of first passage is connected, the other end of the first passage of the water resource heat pump condenser through water resource heat pump expansion valve with it is cold
The second channel connection of solidifying-evaporation triple channel heat exchanger, forms second circulation circuit；
One end of the second channel of the water resource heat pump condenser connects energy-accumulating water tank by first pipe, and the other end is through the
One circulating pump connection energy supply water return pipeline, forms third circulation loop；
The energy-accumulating water tank connects through second circulation pump and one end of the condensation-evaporation triple channel heat exchanger third channel
It connects, the other end of the condensation-evaporation triple channel heat exchanger third channel connects the energy-accumulating water tank by second pipe；
It is set on the energy-accumulating water tank there are two outlet, one outlet energizes outlet pipeline by the connection of the first valve, separately
By the second valve connection energy supply outlet pipeline, the outlet of first valve and the second valve interconnects one outlet.
Institute's air source heat pump four-way valve includes four communication ports, respectively communication port A, communication port B, communication port C and is connected to
Mouth D, the outlet for stating air source heat pump evaporator are connect with the communication port A, and the communication port D and air source heat pump compress
The import of machine is connected, and the outlet of the air source heat pump compressor is connected with communication port C, the communication port B and condensation-evaporation three
The first passage of channel heat exchanger is connected.
The energy-accumulating water tank is stratified water tanks, is equipped with electric heater in the energy-accumulating water tank.
The energy-accumulating water tank includes shell, and outer sleeve is equipped in the shell, and the barrel of the outer sleeve is equipped with first
Through-hole, the first pipe pass through shell and protrude into the outer sleeve, and the second pipe gos deep into along the length direction of outer sleeve
In the outer sleeve.
The energy-accumulating water tank includes shell, is equipped with inner sleeve in the outer sleeve, and the barrel of the inner sleeve is equipped with the
Two through-holes, the first pipe sequentially pass through shell and outer sleeve, protrude into the inner sleeve, and the second pipe is along described
The length direction of inner sleeve gos deep into the inner sleeve.
The first through hole is arranged one week along the circumferencial direction spacing distance of the outer sleeve, and it is logical that formation one arranges the first
Multiple rows of first through hole is arranged along the length direction spacing distance of the outer sleeve in hole, and second through-hole is along the inner sleeve
The circumferencial direction spacing distance of cylinder is arranged one week, forms one and arranges the 2nd through-hole, along the length direction interval distance of the inner sleeve
From being arranged multiple rows of second through-hole, one arrange the first through-hole and one arrange the 2nd through-hole position it is arranged in a crossed manner in length direction.
The connecting pipe in the first circulation circuit and second circulation circuit is copper pipe, and the circulatory mediator in the copper pipe is
Refrigerant.
Further, it further include insulated building；
Air source heat pump compressor, air source heat pump four-way valve, condensation-evaporation triple channel heat exchange are equipped in the insulated building
Device, air source heat pump expansion valve, water resource heat pump compressor, water resource heat pump condenser, water resource heat pump expansion valve, energy-accumulating water tank,
One circulating pump, second circulation pump
The outside or roof of the insulated building is arranged in the air source heat pump evaporator.
The outside of the insulated building is arranged in first valve and the second valve.First valve and the second valve are
Motor-driven valve；The pipeline of the water resource heat pump condenser connection first circulation pump is equipped with the first hygrosensor；The insulated building
Interior to be equipped with third hygrosensor, the insulated building is externally provided with second temperature detector.
The utility model, which is also provided, carries out heating and the control of refrigeration using above-mentioned single double stage heat pump heating and refrigeration system
Method processed, comprising the following steps:
The first temperature information is sent to control system by the first hygrosensor, and second temperature detector sends the second temperature
Spend information to control system, the control system according to set temperature and received first temperature information, second temperature information come
Control the start and stop of first circulation pump, second circulation pump, first circulation circuit and second circulation circuit；
When heating, when the first hygrosensor temperature is lower than set temperature, starting first circulation pump, third circulation loop
Operation, if second temperature detector is lower than set temperature, the equipment in first circulation circuit and setting for second circulation circuit at this time
Standby starting operation, carries out heating；If at this time second temperature detector be higher than set temperature, the equipment in first circulation circuit and
Second circulation pump startup runs heating；
When refrigeration, when the first hygrosensor temperature is higher than set temperature, first circulation pump and second circulation pump startup,
The inverse operation refrigeration in first circulation circuit；
Temperature information is sent to control system by third hygrosensor, control system third temperature based on the received
Spend the start and stop of winterization system in information control insulated building；Temperature information is sent to control system, institute by the 4th hygrosensor
State control system based on the received the 4th temperature information control energy-accumulating water tank in electric heater start and stop.
Specifically, when heating, when environment temperature is lower than set temperature, the heat that first circulation circuit generates is followed as second
The heat source of loop back path gives end heat supply, and when system defrost, second circulation circuit is out of service, and energy-accumulating water tank gives first circulation circuit
Defrost energy is provided；
When heating heats, the heat in Absorption of Medium air in air source heat pump evaporator, into air source heat pump four
The communication port A of port valve, the valve body through four-way valve go out from communication port D, into air source heat pump compressor, air source heat pump compression
The outlet of machine is connect with communication port C, by the valve body of four-way valve, is gone out from communication port B, into condensation-evaporation triple channel heat exchanger
Heat is discharged, air source heat pump evaporator is returned to after air source heat pump expansion valve and continues to absorb heat, and so on, is heated for level-one
Circulation；
In condensation-evaporation triple channel heat exchanger, the medium of primary cycle walks first passage, and secondary cycle medium is through condensation-
The heat for evaporating the generation of the second channel absorption primary cycle of triple channel heat exchanger, enters water source heat through water resource heat pump compressor
The first passage for pumping condenser returns to condensation-evaporation triple channel heat exchanger through water resource heat pump expansion valve through heat exchange release heat
Continue to absorb heat, is two-stage system thermal cycle and so on；
The heat that water resource heat pump condenser is released, the energy supply for being energized outlet pipeline are discharged energy supply, energize in water return pipeline
Energy supply return water pumped through first circulation and out of water resource heat pump condenser second channel absorb heat, through energy-accumulating water tank, through first
Valve can put energy supply toward use, and so on；
When heating defrost, the heat in energy-accumulating water tank enters the third of solidifying-evaporation triple channel heat exchanger through second circulation pump
Channel provides heat for primary cycle defrost, at this time the inverse operation of primary cycle, and medium is in condensation-evaporation triple channel heat exchanger
Heat is absorbed, is gone out into the communication port B of air source heat pump four-way valve through four-way valve from communication port D, into air source heat pump pressure
The outlet of contracting machine, air source heat pump compressor is connect with communication port C, by four-way valve, is gone out from communication port A, into air-source heat
Evaporator is pumped, heat is discharged after defrost medium is cooling in air source heat pump evaporator and is returned to through air source heat pump expansion valve cold
Solidifying-evaporator triple channel heat exchanger, and so on, this is defrost process；
When heating, when environment temperature is higher than set temperature, the heat of the operation of system single-stage, the generation of first circulation circuit is direct
To with can point, when system defrost, energy-accumulating water tank gives first circulation circuit to provide defrost energy, the defrost process one with twin-stage heating
It causes；
Energy supply return water in energy supply water return pipeline enters energy storage through the second channel of first circulation pump, water resource heat pump condenser
Water tank absorbs heat out of energy-accumulating water tank, is discharged energy supply through the first valve, the energy supply through energizing outlet pipeline；
Medium in energy-accumulating water tank is pumped through second circulation, into condensation-evaporation triple channel heat exchanger third channel, through changing
The heat that heat absorption first circulation circuit generates, returns to energy-accumulating water tank；
When refrigeration, system is given with that can put supply cooling capacity, and the energy supply return water in energy supply water return pipeline is pumped through first circulation and water
The second channel of source heat pump condenser, the heat release out of energy-accumulating water tank, through the second valve, through energy supply outlet pipeline supply energy point；
Medium in energy-accumulating water tank enters condensation-evaporation triple channel heat exchanger third channel through second circulation pump, described
Condensation-evaporation triple channel heat exchanger third channel connects energy-accumulating water tank by second pipe and runs circulation loop；
When refrigeration, medium absorbs heat in Condensation-Evaporator triple channel heat exchanger, into air source heat pump four-way valve
Communication port B goes out through four-way valve from communication port D, into air source heat pump compressor, the outlet of air source heat pump compressor and company
Port C connection goes out by four-way valve from communication port A, into air source heat pump evaporator, discharges in air source heat pump evaporator
Heat, and so on.
Compared with existing overlapping heat pump techniques, the utility model can realize the efficient operation of heating, refrigeration, when heating,
System is run according to the height intelligent control heat pump single-stage or twin-stage of environment temperature, when environment temperature is lower than set temperature,
The operation of system twin-stage；When environment temperature is higher than set temperature, the operation of system single-stage.When refrigeration, by first circulation pipeline to end
Hold cooling supply.Energy-accumulating water tank built in hierarchy is cut by heating, refrigeration dry point so that water tank upper temperature rises rapidly
It changes, it can be achieved that high temperature heating, cryogenic refrigeration, system energy efficiency are higher.By partial installation mode, the setting of insulated building, system is real
Show highly integrated, while greatly simplifying in-site installation, has also preferably solved the problems, such as antifreeze.By in energy-accumulating water tank
Setting auxiliary electrical heater avoids unit defrost from absorbing the heat of end, increases the comfort of heating, in addition can also supplement end energy supply.
Detailed description of the invention
Fig. 1 is the schematic device of the utility model；
Fig. 2 is the heating twin-stage operation logic figure of the utility model；
Fig. 3 is the heating single-stage operation logic figure of the utility model；
Fig. 4 is the refrigerating operaton schematic diagram of the utility model；
Fig. 5 is the structural schematic diagram of the layering sleeve of the utility model；
Fig. 6 is the internal structure perspective view of Fig. 5.
In figure: 1. air source heat pump evaporators；2. air source heat pump four-way valve；3. air source heat pump compressor；4. condensation-
Evaporate triple channel heat exchanger；5, air source heat pump expansion valve；6. water resource heat pump compressor；7. water resource heat pump condenser；8. water source
Heat pump expansion valve；9. energy-accumulating water tank；10, electric heater；11. first circulation pumps；12. second circulation pumps；13. the first valve；14.
Second valve；15, insulated building；16. energizing outlet pipeline；17. energizing water return pipeline；18. being layered sleeve；19. the 4th temperature is visited
Survey device；20. the first hygrosensor；21. 22. third hygrosensor of second temperature detector；23. first pipe；24. second
Pipeline；25. shell；26. 27. inner sleeve of outer sleeve；28. 29. second through-hole of first through hole.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing, but not as the restriction to the utility model.
Referring to Fig. 1, a kind of list double stage heat pump heating and refrigeration system, including first circulation circuit, second circulation circuit, the
Three circulation loops, air source heat pump evaporator 1 and condensation-evaporation triple channel heat exchanger 4；
Air source heat pump evaporator 1 connects air source heat pump four-way valve 2, and air source heat pump four-way valve 2 is separately connected air
Source heat pump compressor 3 and condensation-evaporation triple channel heat exchanger 4 first passage, condensation-evaporation triple channel heat exchanger 4 first
Channel connects the input end of air source heat pump evaporator 1 by air source heat pump expansion valve 5, forms first circulation circuit；
Condensation-evaporation triple channel heat exchanger 4 second channel is through water resource heat pump compressor 6 and water resource heat pump condenser 7
One end of first passage is connected, and the other end of the first passage of water resource heat pump condenser 7 is through water resource heat pump expansion valve 8 and condensation-
The second channel connection for evaporating triple channel heat exchanger 4, forms second circulation circuit；
One end of the second channel of water resource heat pump condenser 7 connects energy-accumulating water tank 9 by first pipe 23, and the other end is through the
One circulating pump 11 connection energy supply water return pipeline 17, forms third circulation loop；
Energy-accumulating water tank 9 is connect through second circulation pump 12 with one end of condensation-evaporation triple channel heat exchanger 4 third channel,
The other end of condensation-evaporation triple channel heat exchanger 4 third channel connects energy-accumulating water tank 9 by second pipe 24；
It is set on energy-accumulating water tank 9 there are two outlet, one outlet is another by the first valve 13 connection energy supply outlet pipeline 16
By the second valve 14 connection energy supply outlet pipeline 16, the outlet of the first valve 13 and the second valve 14 is interconnected for a outlet.
The utility model passes through the switching of single/double stage operational mode, realizes the efficient fortune of whole system heating, refrigeration
Row.
On the basis of the above embodiments, air source heat pump four-way valve 2 includes four communication ports to the present embodiment, is respectively connected
Port A, communication port B, communication port C and communication port D, the outlet of air source heat pump evaporator 1 is connect with the communication port A, described
Communication port D is connected with the import of air source heat pump compressor 3, and the outlet of air source heat pump compressor 3 is connected with communication port C, institute
Communication port B is stated to be connected with condensation-evaporation triple channel 4 devices of heat exchange first passage.
On the basis of the above embodiments, energy-accumulating water tank 9 is stratified water tanks to the present embodiment, is equipped with electricity in energy-accumulating water tank 9 and adds
Hot device 10.
Preferably, the present embodiment is the case where being not provided with inner sleeve, and energy-accumulating water tank 9 includes shell 25, is equipped in shell 25
Outer sleeve 26, the barrel of outer sleeve 26 are equipped with first through hole 28, and first pipe 23 passes through shell 25 and protrudes into outer sleeve 26, the
Two pipelines 24 go deep into outer sleeve 26 along the length direction of outer sleeve 26.
It can also include inner sleeve referring to Fig. 1, Fig. 5 and Fig. 6, layering sleeve 18 is equipped in shell, layering sleeve 18 includes
Outer sleeve 26 and inner sleeve 27, shell 25 is interior to be equipped with outer sleeve 26, is equipped with inner sleeve 27, the barrel of outer sleeve 25 in outer sleeve 26
It is equipped with first through hole 28, the barrel of inner sleeve 27 is equipped with the second through-hole 29, and first pipe 23 sequentially passes through shell 25 and outer
Sleeve 26 protrudes into inner sleeve 27, and second pipe 24 gos deep into inner sleeve 27 along the length direction of inner sleeve 27.
Preferably, first through hole 28 is arranged one week along the circumferencial direction spacing distance of outer sleeve 26, forms one and arranges the first
Multiple rows of first through hole is arranged along the length direction spacing distance of outer sleeve 26 in through-hole, and the second through-hole 29 is along inner sleeve 27
Circumferencial direction spacing distance is arranged one week, forms one and arranges the 2nd through-hole, is arranged along the length direction spacing distance of inner sleeve 27
Multiple rows of second through-hole, one arrange the first through-hole and one arrange the 2nd through-hole position it is arranged in a crossed manner in length direction.
The utility model avoids the heat of unit defrost absorption end system by electrical auxiliary heater built in energy-accumulating water tank,
In addition the comfort for increasing heating can also supplement end energy supply.Keep energy-accumulating water tank upper temp high by using stratified water tanks, under
Portion's temperature is low, realizes high temperature heating, and it is fast to have the advantages that system starts, while can make full use of energy storage for the effect of cryogenic refrigeration
Heat or cooling capacity in water tank.
Specifically, the connecting pipe in first circulation circuit and second circulation circuit is copper pipe, and the circulation in the copper pipe is situated between
Matter is refrigerant.Refrigerant is circulatory mediator, and first circulation circuit and second circulation circuit can use different circulatory mediators, preferably
, first circulation circuit is primary cycle medium R410A, and second circulation circuit is secondary cycle medium R134A.
Circulation loop in the utility model heat pump unit is copper pipe, and the circulation loop that this system carries out copper pipe connection is equal
For the component of heat pump unit.
The present embodiment further includes insulated building 15 on the basis of the above embodiments；
Air source heat pump compressor 3, air source heat pump four-way valve 2, condensation-evaporation triple channel heat exchange are equipped in insulated building 15
Device 4, air source heat pump expansion valve 5, water resource heat pump compressor 6, water resource heat pump condenser 7, water resource heat pump expansion valve 8, energy storage water
Case 9, first circulation pump 11 and second circulation pump 12；
The outside or roof of insulated building 15 is arranged in air source heat pump evaporator 1.For the ease of control, the first valve 13 the
The outside of insulated building is arranged in two valves 14.
The air source heat pump evaporator of the utility model can be arranged far from insulated building, can also be placed on the side of insulated building
Face can also be arranged on the roof of insulated building, i.e., air source heat pump evaporator and insulated building are at a whole installation.
The system of the utility model is separate form, and other components are all mounted on insulated building in addition to air source heat pump evaporator
It is interior.By all components of the double stage heat pump in addition to air source heat pump evaporator are integrated in insulated building realize it is highly integrated,
The installation at scene is greatly simplified, while also having better solved antifreeze problem.
It is automatically controlled to realize, the first valve 13 and the second valve 14 are motor-driven valve；The connection of water resource heat pump condenser 7 the
The pipeline of one circulating pump 11 is equipped with the first hygrosensor 20；Third hygrosensor 22, insulated building are equipped in insulated building 15
15 are externally provided with second temperature detector 21.
Referring to Fig. 1, the utility model also provides a kind of to be adopted using above-mentioned single double stage heat pump heating and refrigeration system
Warm and refrigeration control method, comprising the following steps:
The first temperature information is sent to control system by the first hygrosensor 20, and second temperature detector 21 sends the
Two temperature informations are believed to control system, the control system according to set temperature and received first temperature information, second temperature
It ceases to control the start and stop of first circulation pump, second circulation pump, first circulation circuit and second circulation circuit；
When heating, when 20 temperature of the first hygrosensor is lower than set temperature, starting first circulation pump 11, third circulation
Circuit operation, if second temperature detector 21 is lower than set temperature at this time, system twin-stage runs heating, i.e., then first circulation is returned
The equipment on road and the equipment in second circulation circuit start operation, carry out heating；If second temperature detector 21 is higher than and sets at this time
Determine temperature, then system single-stage runs heating, i.e. the equipment in first circulation circuit and second circulation pump startup runs heating；
When refrigeration, when 20 temperature of the first hygrosensor is higher than set temperature, first circulation pump and second circulation pump are opened
It is dynamic, the inverse operation refrigeration in first circulation circuit；
Temperature information is sent to control system by third hygrosensor 22, control system third based on the received
Temperature information controls winterization system in insulated building；It is described by the 4th hygrosensor 19 transmission temperature information to control system
Control system based on the received the 4th temperature information control energy-accumulating water tank in electric heater start and stop.
The winterization system of the utility model is the heating tape being arranged in insulated building or Electric radiant Heating Film as winterization system.
The heating of the utility model, refrigeration dry point automatically switch, and realize high temperature heating, low temperature cooling supply.
The utility model passes through intelligent control, it can be achieved that heating, refrigerated efficient operation: when heating, system is according to environment temperature
The height intelligent control heat pump single-stage or twin-stage of degree are run, when environment temperature is lower than set temperature, the operation of system twin-stage；When
When environment temperature is higher than set temperature, the operation of system single-stage.When refrigeration, end cooling supply is given by first circulation circuit.
Referring to fig. 2, when heating, when environment temperature is lower than set temperature, the operation of system twin-stage, what first circulation circuit generated
Heat gives end heat supply as the heat source in second circulation circuit, and when system defrost, second circulation circuit is out of service, energy-accumulating water tank
9 provide defrost energy to first circulation circuit.
When heating heating operation, the heat in Absorption of Medium air in air source heat pump evaporator 1, into air-source heat
The communication port A of four-way valve 2 is pumped, the valve body through four-way valve goes out from communication port D, into air source heat pump compressor 3, air-source heat
The outlet of pump compressor 3 is connect with communication port C, by the valve body of four-way valve, is gone out from communication port B, into condensation-evaporation triple channel
Heat exchanger 4 discharges heat, and air source heat pump evaporator 1 is returned to after air source heat pump expansion valve 5 and continues to absorb heat, and so on,
This is level-one heating circulation.
Condensation-evaporation triple channel heat exchanger 4 is the heat exchanger of triple channel, and the medium of primary cycle walks first passage, two
Grade circulatory mediator absorbs the heat of the generation of primary cycle through condensation-evaporation triple channel heat exchanger 4 second channel, through water source heat
The first passage that compressor 6 enters water resource heat pump condenser 7 is pumped, is returned to through heat exchange release heat through water resource heat pump expansion valve 8
Condensation-evaporation triple channel heat exchanger 4 continues to absorb heat, and and so on, this is two-stage system thermal cycle.
Water resource heat pump condenser 7 is a twin-channel heat exchanger, and the heat that water resource heat pump condenser 7 is released is energized out
The energy supply of water lines 16 is discharged energy supply, and the energy supply return water energized in water return pipeline 17 is condensed through first circulation pump 11 from water resource heat pump
Heat is absorbed in the second channel of device 7, through energy-accumulating water tank 9, through the first valve 13, can put energy supply toward use, and so on.
When system heating defrost, the heat in energy-accumulating water tank 9 enters solidifying-evaporation triple channel heat exchanger through second circulation pump 12
4 third channel provides heat for primary cycle defrost, and the inverse operation of primary cycle, medium are changed in condensation-evaporation triple channel at this time
Heat is absorbed in hot device 4, is gone out into the communication port B of air source heat pump four-way valve 2 through four-way valve from communication port D, into air
The outlet of source heat pump compressor 3, air source heat pump compressor 3 is connect with communication port C, by four-way valve, is gone out from communication port A, into
Enter air source heat pump evaporator 1, discharges heat, defrost, after medium is cooling, through air source heat pump in air source heat pump evaporator 1
Expansion valve 5 returns to Condensation-Evaporator triple channel heat exchanger 4, and and so on, this is defrost process.
Referring to Fig. 3, when heating, when environment temperature is higher than set temperature, the operation of system single-stage, what first circulation circuit generated
Heat directly to can point, when system defrost, energy-accumulating water tank 9 provides defrost energy to first circulation circuit, with twin-stage heating
Defrost process is consistent.
When single-stage is run, the heating operations in first circulation circuit are identical when running with twin-stage, and first circulation circuit stops fortune
Row.When single-stage is run, the cyclic process of unit defrost is identical when running with twin-stage.
Energize water return pipeline 17 in energy supply return water through first circulation pump 11 and water resource heat pump condenser 7 second channel into
Enter energy-accumulating water tank 9, absorb heat out of energy-accumulating water tank 9, is discharged energy supply through the first valve 13, the energy supply through energizing outlet pipeline 16.
Medium in energy-accumulating water tank 9 is through second circulation pump 12, into condensation-evaporation triple channel heat exchanger 4 third channel,
The heat that first circulation circuit generates is absorbed through heat exchange, returns to energy-accumulating water tank 9.
Referring to fig. 4, when refrigeration, system is given with that can put supply cooling capacity, energizes the energy supply return water in water return pipeline 17 through first
The second channel of circulating pump 11 and water resource heat pump condenser 7, the heat release out of energy-accumulating water tank 9 are discharged through the second valve 14 through energy supply
The supply of pipeline 16 energy point.
Medium in energy-accumulating water tank 9 enters condensation-evaporation triple channel heat exchanger 4 third channel through second circulation pump 12,
Condensation-evaporation triple channel heat exchanger 4 third channel connects the inner sleeve 27 of energy-accumulating water tank 9 by second pipe 24, and formation follows
Loop back path.
When refrigeration, similar when circulation is with defrost inside unit, medium absorbs in Condensation-Evaporator triple channel heat exchanger 4
Heat goes out into the communication port B of air source heat pump four-way valve 2 through four-way valve from communication port D, into air source heat pump compressor
3, the outlet of air source heat pump compressor 3 is connect with communication port C, by four-way valve, is gone out from communication port A, into air source heat pump
Evaporator 1 discharges heat in air source heat pump evaporator 1, and so on.
Embodiment described above, only one kind of the utility model more preferably specific embodiment, the skill of this field
The usual variations and alternatives that art personnel carry out within the scope of technical solutions of the utility model should all be included in the guarantor of the utility model
It protects in range.
Claims (8)
1. a kind of list double stage heat pump heating and refrigeration system, which is characterized in that including first circulation circuit, second circulation circuit,
Third circulation loop, air source heat pump evaporator and condensation-evaporation triple channel heat exchanger；
The air source heat pump evaporator connects air source heat pump four-way valve, and the air source heat pump four-way valve is separately connected air
Source heat pump compressor and condensation-evaporation triple channel heat exchanger first passage, the condensation-evaporation triple channel heat exchanger first
Channel connects the input end of air source heat pump evaporator by air source heat pump expansion valve, forms first circulation circuit；
The condensation-evaporation triple channel heat exchanger second channel is through water resource heat pump compressor and the first of water resource heat pump condenser
The one end in channel is connected, and the other end of the first passage of the water resource heat pump condenser is through water resource heat pump expansion valve and condensation-steaming
The second channel connection for sending out triple channel heat exchanger, forms second circulation circuit；
One end of the second channel of the water resource heat pump condenser connects energy-accumulating water tank by first pipe, and the other end is followed through first
Ring pump connection energy supply water return pipeline, forms third circulation loop；
The energy-accumulating water tank is pumped through second circulation and is connect with one end of the condensation-evaporation triple channel heat exchanger third channel,
The other end of the condensation-evaporation triple channel heat exchanger third channel connects the energy-accumulating water tank by second pipe；
It being set on the energy-accumulating water tank there are two outlet, one outlet energizes outlet pipeline by the connection of the first valve, another
By the second valve connection energy supply outlet pipeline, the outlet of first valve and the second valve is interconnected for outlet.
2. list double stage heat pump heating according to claim 1 and refrigeration system, which is characterized in that institute's air source heat pump four-way
Valve includes four communication ports, and respectively communication port A, communication port B, communication port C and communication port D, the air source heat pump of stating evaporate
The outlet of device is connect with the communication port A, and the communication port D is connected with the import of air source heat pump compressor, the air-source
The outlet of heat pump compressor is connected with communication port C, the communication port B and condensation-evaporation triple channel heat exchanger first passage phase
Even.
3. list double stage heat pump heating according to claim 1 and refrigeration system, which is characterized in that the energy-accumulating water tank is point
Layer water tank, the energy-accumulating water tank is interior to be equipped with electric heater.
4. list double stage heat pump heating and refrigeration system according to claim 3, which is characterized in that the energy-accumulating water tank includes
Shell, the shell is interior to be equipped with outer sleeve, and the barrel of the outer sleeve is equipped with first through hole, and the first pipe passes through shell
It protrudes into the outer sleeve, the second pipe gos deep into the outer sleeve along the length direction of outer sleeve.
5. list double stage heat pump heating according to claim 4 and refrigeration system, which is characterized in that be equipped in the outer sleeve
The barrel of inner sleeve, the inner sleeve is equipped with the second through-hole, and the first pipe sequentially passes through shell and outer sleeve, protrudes into institute
It states in inner sleeve, the second pipe gos deep into the inner sleeve along the length direction of the inner sleeve；
The first through hole is arranged one week along the circumferencial direction spacing distance of the outer sleeve, forms one and arranges the first through-hole, edge
The length direction spacing distance of the outer sleeve multiple rows of first through hole is set, second through-hole along the inner sleeve circle
Circumferential direction spacing distance is arranged one week, forms one and arranges the 2nd through-hole, is arranged along the length direction spacing distance of the inner sleeve
Multiple rows of second through-hole, one arrange the first through-hole and one arrange the 2nd through-hole position it is arranged in a crossed manner in length direction.
6. list double stage heat pump heating according to claim 1 and refrigeration system, which is characterized in that the first circulation circuit
Connecting pipe with second circulation circuit is copper pipe, and the circulatory mediator in the copper pipe is refrigerant.
7. list double stage heat pump heating according to claim 1-6 and refrigeration system, which is characterized in that further include protecting
Hot house；
Be equipped in the insulated building air source heat pump compressor, air source heat pump four-way valve, condensation-evaporation triple channel heat exchanger,
Air source heat pump expansion valve, water resource heat pump compressor, water resource heat pump condenser, water resource heat pump expansion valve, energy-accumulating water tank, first follow
Ring pump and second circulation pump；
The outside or roof of the insulated building is arranged in the air source heat pump evaporator；
The outside of the insulated building is arranged in first valve and the second valve.
8. list double stage heat pump heating and refrigeration system according to claim 7, which is characterized in that first valve and the
Two valves are motor-driven valve；The pipeline of the water resource heat pump condenser connection first circulation pump is equipped with the first hygrosensor；Institute
It states and is equipped with third hygrosensor in insulated building, the insulated building is externally provided with second temperature detector.
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| CN201820068356.2U CN208332737U (en) | 2018-01-16 | 2018-01-16 | Single double stage heat pump heating and refrigeration system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243100A (en) * | 2019-05-27 | 2019-09-17 | 山东美琳达再生能源开发有限公司 | Hydronic carbon dioxide heat pump device can be achieved in one kind |
| CN112377979A (en) * | 2020-11-06 | 2021-02-19 | 青岛海信日立空调系统有限公司 | Air source heat pump unit |
-
2018
- 2018-01-16 CN CN201820068356.2U patent/CN208332737U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110243100A (en) * | 2019-05-27 | 2019-09-17 | 山东美琳达再生能源开发有限公司 | Hydronic carbon dioxide heat pump device can be achieved in one kind |
| CN112377979A (en) * | 2020-11-06 | 2021-02-19 | 青岛海信日立空调系统有限公司 | Air source heat pump unit |
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