CN109237832A - Hot water system and control method thereof - Google Patents
Hot water system and control method thereof Download PDFInfo
- Publication number
- CN109237832A CN109237832A CN201811005499.XA CN201811005499A CN109237832A CN 109237832 A CN109237832 A CN 109237832A CN 201811005499 A CN201811005499 A CN 201811005499A CN 109237832 A CN109237832 A CN 109237832A
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- Prior art keywords
- heat exchanger
- water
- refrigerant
- working line
- way valve
- Prior art date
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000003507 refrigerant Substances 0.000 claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims description 59
- 238000005057 refrigeration Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000930 thermomechanical effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/12—Hot water central heating systems using heat pumps
Landscapes
- 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)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The application provides a hot water system and a control method of the hot water system. The hot water system comprises an outdoor unit, wherein the outdoor unit comprises a compressor, a four-way valve and an outdoor heat exchanger. The hot water system also includes a water tank assembly and an indoor unit assembly. The output end of the compressor is connected with a first interface of the four-way valve, a second interface of the four-way valve is connected with the outdoor heat exchanger, and a refrigerant working pipeline is arranged between the water tank assembly and a third interface of the four-way valve. The refrigerant working pipeline is connected from the outdoor heat exchanger and then sequentially passes through the water tank assembly and the indoor unit assembly, and the fourth interface of the four-way valve is connected with the input end of the compressor through a refrigerant backflow pipeline. By applying the technical scheme of the invention, the outdoor unit, the water tank assembly and the indoor unit assembly can be assembled only by connecting the outdoor unit, the water tank assembly and the indoor unit assembly through pipelines, and the installation is simple and convenient. In addition, the degree of freedom of the matching and assembling of the hot water system is higher.
Description
Technical field
The present invention relates to technical field of refrigeration equipment, in particular to the control of a kind of hot-water heating system and hot-water heating system
Method.
Background technique
Current heat pump techniques are increasingly used for producing domestic hot-water and in floor heating heating.Produce domestic hot-water
The system schema of one-to-one is generally used, i.e. an outdoor unit connects a water tank, the composition of the set system are as follows: a compression
Machine, as heat pump system driving and for refrigerant flowing power is provided；One air-side heat exchanger, and be evaporator, for inhaling
Receive the heat in environment；One condenser, for the heat being absorbed into the environment to be discharged into water tank, the water in feed-tank
Heating.Same heat pump principle is used in floor heating heating.
Domestic hot-water can much be produced simultaneously and provide the system of floor heating heating by currently also having.But system valve member is more, control
System is complicated, and complete machine cost is accordingly higher.
Summary of the invention
The embodiment of the invention provides a kind of hot-water heating system and the control methods of hot-water heating system, hot in the prior art to solve
The technical problem that component existing for water system is excessive and installation is complicated.
The application embodiment provides a kind of hot-water heating system, including outdoor unit, outdoor unit include compressor, four-way valve and
Outdoor heat exchanger；Hot-water heating system further includes cistern assembly and indoor unit component；The output end of compressor and the first of four-way valve connect
Mouth is connected, and the second interface of four-way valve is connected with outdoor heat exchanger, sets between the third interface of cistern assembly and four-way valve
It is equipped with refrigerant working line；Refrigerant working line successively passes through cistern assembly and indoor unit component after picking out from outdoor heat exchanger,
Or refrigerant working line from outdoor heat exchanger pick out after successively by indoor unit component and cistern assembly；The 4th of four-way valve connects
It is connected between mouth and the input terminal of compressor by refrigerant return pipeline.
In one embodiment, is provided between outdoor heat exchanger and cistern assembly in refrigerant working line
One expansion valve.
In one embodiment, is provided between cistern assembly and indoor unit component in refrigerant working line
Two expansion valves.
In one embodiment, gas point is provided on refrigerant return pipeline.
In one embodiment, cistern assembly includes First Heat Exchanger and water tank, and refrigerant working line flows through first and changes
Hot device, water tank flow through First Heat Exchanger and the heat exchange of refrigerant working line by the first water-circulation pipe.
In one embodiment, the first water pump is provided on the first water-circulation pipe.
In one embodiment, indoor unit component includes the second heat exchanger and indoor end equipment, refrigerant working line
By the second heat exchanger, indoor end equipment is handed over by the second water-circulation pipe by the second heat exchanger and refrigerant working line heat
It changes.
In one embodiment, the second water pump is provided on the second water-circulation pipe.
Present invention also provides a kind of control method of hot-water heating system, hot-water heating system includes, including compressor, four-way valve,
Outdoor heat exchanger, cistern assembly and indoor unit component；The output end of compressor is connected with the first interface of four-way valve, four-way valve
Second interface be connected with outdoor heat exchanger, outdoor heat exchanger is connect with cistern assembly by the first pipeline, cistern assembly with
Refrigerant working line is provided between the third interface of four-way valve, refrigerant working line is successively passed through after picking out from outdoor heat exchanger
Cistern assembly and indoor unit component are connected between the 4th interface and the input terminal of compressor of four-way valve by refrigerant return pipeline
It connects, is provided with the first expansion valve between outdoor heat exchanger and cistern assembly in refrigerant working line, in refrigerant instrumentation tubes
The second expansion valve is provided on line between cistern assembly and indoor unit component, cistern assembly includes First Heat Exchanger and water
Case, refrigerant working line flow through First Heat Exchanger, and water tank flows through First Heat Exchanger by the first water-circulation pipe and refrigerant works
Pipeline heat exchange, the first water pump is provided on the first water-circulation pipe, and indoor unit component includes the second heat exchanger and indoor end
Equipment, refrigerant working line pass through the second heat exchanger, and indoor end equipment passes through the second heat exchanger by the second water-circulation pipe
With refrigerant working line heat exchange, the second water pump is provided on the second water-circulation pipe, control method is for controlling the hot water system
System.
In one embodiment, control method includes: the first heating mode；The output end of compressor by four-way valve with
Outdoor heat exchanger connection, the throttling of the first expansion valve, the second expansion valve standard-sized sheet, the first pump operation, the second water pump are closed.
In one embodiment, control method include the second heating mode: the output end of compressor by four-way valve with
Outdoor heat exchanger connection, the throttling of the first expansion valve, the second expansion valve standard-sized sheet, the first water pump are closed, and the second water pump is opened.
In one embodiment, control method includes: refrigeration mode, and the input terminal of compressor passes through four-way valve and outdoor
Heat exchanger connection, the first expansion valve standard-sized sheet, the throttling of the second expansion valve, the first water pump are closed, and the second water pump is opened.
In the above-described embodiments, it is only necessary to by outdoor unit, cistern assembly is connected with indoor unit component by pipeline can be real
It now assembles, installs simple and convenient.In addition, only connecting outdoor unit if only needing air conditioning function and indoor unit component can be real
It is existing；If only needing domestic hot-water's function, only connecting cistern assembly and outdoor unit be can be realized；If realizing life heat
Three kinds of water, refrigeration, heating functions, then need to connect outdoor unit, cistern assembly and indoor unit component to realize；So, hot
The freedom degree of the collocation assembling of water system is higher.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the embodiment of hot-water heating system according to the present invention；
Fig. 2 is the structural schematic diagram of the cistern assembly of the hot-water heating system of Fig. 1；
Fig. 3 is the structural schematic diagram of the indoor unit component of the hot-water heating system of Fig. 1.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right below with reference to embodiment and attached drawing
The present invention is described in further details.Here, exemplary embodiment and its explanation of the invention is used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
Fig. 1 shows hot-water heating system of the invention, which includes outdoor unit, and outdoor unit includes compressor 10, four
Port valve 20 and outdoor heat exchanger 30.Hot-water heating system further includes cistern assembly 40 and indoor unit component 50.The output end of compressor 10
It is connected with the first interface of four-way valve 20, the second interface of four-way valve 20 is connected with outdoor heat exchanger 30, cistern assembly 40
Refrigerant working line 60 is provided between the third interface of four-way valve 20.Refrigerant working line 60 is picked out from outdoor heat exchanger 30
Successively pass through cistern assembly 40 and indoor unit component 50 afterwards, leads between the 4th interface and the input terminal of compressor 10 of four-way valve 20
Cross the connection of refrigerant reflux pipeline 70.
It applies the technical scheme of the present invention, it is only necessary to which outdoor unit, cistern assembly 40 and indoor unit component 50 are passed through into pipeline
Assembling can be realized in connection, installs simple and convenient.In addition, only connecting outdoor unit and indoor unit if only needing air conditioning function
Component 50 can be realized；If only needing domestic hot-water's function, only connecting cistern assembly 40 and outdoor unit be can be realized；If
It realizes three kinds of domestic hot-water, refrigeration, heating functions, then needs to connect outdoor unit, cistern assembly 40 and indoor unit component 50
It realizes；So, the freedom degree of the collocation assembling of hot-water heating system is higher.
It should also be noted that, hot-water heating system end-equipment of the invention is less, it is only necessary to install outdoor unit, cistern assembly
40, indoor unit component 50, the corresponding equipment, more supernumerary segment such as hot water generator, hot water adapter without traditional Multi-function equipments
Save space.
In the technical scheme of this embodiment, refrigerant working line 60 successively passes through water tank after picking out from outdoor heat exchanger 30
Component 40 and indoor unit component 50.The temperature upper limit as required for cistern assembly 40 is higher than indoor unit component 50, in heating
Preferentially the higher refrigerant of temperature first heats cistern assembly 40, guarantees the temperature of hot water；Then again by refrigerant to indoor units
Part 50 heats.In refrigeration, first allows refrigerant to freeze by indoor unit component 50, then allow refrigerant to cistern assembly 40 and/or room
Interior 50 heat release of thermomechanical components, can make heat utilization rate higher.
Certainly, as another optional embodiment, refrigerant working line 60 from outdoor heat exchanger 30 pick out after successively
It is also feasible by indoor unit component 50 and cistern assembly 40.
As shown in Figure 1, being located at 30 He of outdoor heat exchanger in refrigerant working line 60 in the technical solution that this implementation comes
The first expansion valve 61 is provided between cistern assembly 40.As a kind of more preferably embodiment, in refrigerant working line 60
It is upper that the second expansion valve 62 is provided between cistern assembly 40 and indoor unit component 50.Preferably, the first expansion valve 61 and
Two expansion valves 62 are electric expansion valve.Using hot-water heating system of the invention, whole system only two electric expansion valves, a four-way
Valve 20, can be realized refrigeration, heating, water heating pattern switching, control is simple.
Optionally, in the technical scheme of this embodiment, the first expansion valve 61 is arranged in outdoor unit, the second expansion valve 62
Setting is indoors in thermomechanical components 50.As other optional embodiments, the setting of the first expansion valve 61 and the second expansion valve 62
Position can be flexibly mounted to suitable position according to the setting of pipeline.
As a preferred embodiment, being provided with gas point 71 on refrigerant return pipeline 70.By gas point 71, can subtract
Few impact of the liquid refrigerants to compressor 10, guarantees the stability of system.
As shown in Fig. 2, in the technical scheme of this embodiment, cistern assembly 40 includes First Heat Exchanger 41 and water tank 42.
Refrigerant working line 60 flows through First Heat Exchanger 41, water tank 42 by the first water-circulation pipe 43 flow through First Heat Exchanger 41 with it is cold
60 heat exchange of matchmaker's working line.More preferably, the first water pump 44 is provided on the first water-circulation pipe 43.The cistern assembly 40
Heat convection formula are as follows: by the first water pump 44, by the cold water in the liner of water tank 42 by the first water-circulation pipe 43 send to
In First Heat Exchanger 41.Equally there is refrigerant working line 60 in First Heat Exchanger 41, transfers heat to by First Heat Exchanger
In 41 water, cold water is heated by First Heat Exchanger 41, then is sent back in the liner of water tank 42.
As shown in figure 3, in the technical scheme of this embodiment, indoor unit component 50 includes the second heat exchanger 51 and interior end
End equipment 52.Refrigerant working line 60 passes through the second heat exchanger 51, and indoor end equipment 52 is passed through by the second water-circulation pipe 53
Cross the second heat exchanger 51 and 60 heat exchange of refrigerant working line.More preferably, second is provided on the second water-circulation pipe 53
Water pump 54.The heat convection formula of the indoor unit component 50 are as follows: refrigerant working line 60 passes through the second heat exchanger 51, in the second heat exchange
Phase transformation is generated in device 51 carries out heat release or heat absorption.Meanwhile the water in second water-circulation pipe 53 being sent by the second water pump 54
To the second heat exchanger 51, after being heated or cooled in the second heat exchanger 51, then indoor end equipment 52 is returned to, pass through room
Interior end-equipment 52 and indoor air exchange heat, to play the effect that room temperature is heated or cooled.
Optionally, outdoor heat exchanger 30 includes heat exchanger and the fan being oppositely arranged with heat exchanger.
The present invention also provides a kind of control method of hot-water heating system, the heat-exchange system is for controlling above-mentioned hot water system
System.The hot-water heating system includes, including compressor 10, four-way valve 20, outdoor heat exchanger 30, cistern assembly 40 and indoor unit component
50.The output end of compressor 10 is connected with the first interface of four-way valve 20, the second interface and outdoor heat exchanger of four-way valve 20
30 are connected, and outdoor heat exchanger 30 connect 40 by the first pipeline with cistern assembly 40.The of cistern assembly 40 and four-way valve 20
Refrigerant working line 60 is provided between three interfaces, refrigerant working line 60 successively passes through water tank after picking out from outdoor heat exchanger 30
Component 40 and indoor unit component 50 pass through refrigerant return pipeline between the 4th interface and the input terminal of compressor 10 of four-way valve 20
70 connections.The first expansion valve 61 is provided between outdoor heat exchanger 30 and cistern assembly 40 in refrigerant working line 60,
The second expansion valve 62 is provided between cistern assembly 40 and indoor unit component 50 in refrigerant working line 60.Cistern assembly
40 include First Heat Exchanger 41 and water tank 42, and refrigerant working line 60 flows through First Heat Exchanger 41, and water tank 42 is followed by the first water
Endless tube line 43 flows through First Heat Exchanger 41 and 60 heat exchange of refrigerant working line, is provided with the first water on the first water-circulation pipe 43
Pump 44.Indoor unit component 50 includes the second heat exchanger 51 and indoor end equipment 52, and refrigerant working line 60 is by the second heat exchange
Device 51, indoor end equipment 52 are handed over by the second water-circulation pipe 53 by the second heat exchanger 51 and 60 heat of refrigerant working line
It changes, the second water pump 54 is provided on the second water-circulation pipe 53.
As an alternative embodiment, control method includes the first heating mode, and under the first heating mode, water tank
Component 40 carries out work heating.The output end of compressor 10 is connected to by four-way valve 20 with outdoor heat exchanger 30, the first expansion valve
61 throttlings, 62 standard-sized sheet of the second expansion valve, the operating of the first water pump 44, the second water pump 54 are closed.Cistern assembly 40 is only being allowed to carry out work
When making individually to produce domestic hot-water, the second water pump 54 is out of service, and 62 standard-sized sheet of the second expansion valve comes out from 10 exhaust end of compressor
High pressure gaseous refrigerant entered directly into First Heat Exchanger 41 merely through the second heat exchanger 51 and the second expansion valve 62,
During this, since the second water pump 54 is out of service, refrigerant does not exchange heat with indoor unit component 50.First water pump 44 is in operating shape
Cold water in cistern assembly 40 is sent and is exchanged heat into First Heat Exchanger 41 with refrigerant by state, and the water being heated is sent back to water
In box assembly 40.Refrigerant passes through and the heat exchange of water, is condensed into high temperature high pressure liquid.Liquid refrigerants flow to the first of outdoor unit later
Expansion valve 61, by the throttling of the first expansion valve 61, using in the heat exchanger of outdoor unit evaporate, absorb environment in heat,
Low temperature low pressure gas is ultimately become, compressor 10 is returned to by the air intake duct of compressor 10, completes the refrigerant of this water heating
Cyclic process.
As an alternative embodiment, control method includes the second heating mode, in the second heating mode, indoor unit
Component 50 carries out work heating.The output end of compressor 10 is connected to by four-way valve 20 with outdoor heat exchanger 30, the first expansion valve
61 throttlings, 62 standard-sized sheet of the second expansion valve, the first water pump 44 are closed, and the second water pump 54 is opened.Indoor unit component 50 is only being allowed to carry out
When work individually produces domestic hot-water, 20 power down of four-way valve, refrigerant is discharged from the input terminal of compressor 10, enters the second heat exchange
Device 51.The second water pump 54 is in the open state at this time, and water of the refrigerant in the second heat exchanger 51 in heating heat exchanger passes through second
Water pump 54 radiates delivery to indoor end equipment 52, then by indoor end equipment 52, heats to room.Refrigerant is
In two heat exchangers 51 complete heat exchange after, flow through to the second expansion valve 62, the second expansion valve 62 is shown in a fully open operation, not to refrigerant into
Row throttling, while the first water pump 44 is closed, refrigerant is in First Heat Exchanger 41 equally without any heat exchange.Then refrigerant is flow to
The first expansion valve of outdoor unit 61.After reducing pressure by regulating flow by the first expansion valve 61, exchange heat in outdoor heat exchanger 30, most
Become low temperature low pressure gas eventually, return to compressor 10 by the input terminal of compressor 10, completes the refrigerant circulation process of heating.
As an alternative embodiment, control method includes refrigeration mode, in cooling mode, compressor 10 it is defeated
Enter end to be connected to by four-way valve 20 with outdoor heat exchanger 30,61 standard-sized sheet of the first expansion valve, the throttling of the second expansion valve 62, the first water pump
44 close, and the second water pump 54 is opened.Outdoor unit four-way valve 20 powers on, and refrigerant enters outdoor heat exchange by 10 exhaust pipe of compressor
In device 30,30 refrigerant of outdoor heat exchanger condenses heat release in outdoor heat exchanger 30, by the first expansion valve 61.First expansion at this time
Valve 61 is full-gear, does not play throttling.When by First Heat Exchanger 41, the water pump of First Heat Exchanger 41, which is in, closes shape
State, refrigerant is flowed directly to the second expansion valve 62 of indoor unit component 50 without heat exchange, by the throttling of the second expansion valve 62,
The refrigerant for becoming low-temp low-pressure gas-liquid two-phase exchanges heat in the second heat exchanger 51, and indoor end equipment 52 is in and opens at this time
Open state.The cold water produced is delivered to indoor end equipment 52 by indoor end equipment 52, will by indoor end equipment 52
Cooling capacity is transferred to interior, thus to indoor refrigeration cool-down.The refrigerant come out from the second heat exchanger 51 becomes low-temp low-pressure
Gas returns to compressor 10 by the air intake duct of compressor 10, completes the refrigerant circulation process of this refrigeration.
In the inventive solutions, water heating, heating, these three functions of freezing only need the second water pump 54 of control, the
The standard-sized sheet of be powered power-off, the first expansion valve 61 and the second expansion valve 62 of one water pump 44 either automatically adjusts, to complete
The arbitrary switch of this mode.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirits and principles of the present invention, made
Any modification, equivalent substitution, improvement and etc. should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of hot-water heating system, which is characterized in that including outdoor unit, the outdoor unit includes compressor (10), four-way valve (20)
With outdoor heat exchanger (30)；The hot-water heating system further includes cistern assembly (40) and indoor unit component (50)；
The output end of the compressor (10) is connected with the first interface of the four-way valve (20), and the of the four-way valve (20)
Two interfaces are connected with the outdoor heat exchanger (30), the third interfaces of the cistern assembly (40) and the four-way valve (20) it
Between be provided with refrigerant working line (60)；
The refrigerant working line (60) from the outdoor heat exchanger (30) pick out after successively by the cistern assembly (40) and
The indoor unit component (50) or the refrigerant working line (60) are successively passed through after picking out from the outdoor heat exchanger (30)
The indoor unit component (50) and the cistern assembly (40)；
Pass through refrigerant return pipeline (70) between 4th interface of the four-way valve (20) and the input terminal of the compressor (10)
Connection.
2. hot-water heating system according to claim 1, which is characterized in that be located on the refrigerant working line (60) described
The first expansion valve (61) are provided between outdoor heat exchanger (30) and the cistern assembly (40).
3. hot-water heating system according to claim 1, which is characterized in that be located on the refrigerant working line (60) described
The second expansion valve (62) are provided between cistern assembly (40) and the indoor unit component (50).
4. hot-water heating system according to claim 1, which is characterized in that be provided with gas point on the refrigerant return pipeline (70)
(71)。
5. hot-water heating system according to claim 1, which is characterized in that the cistern assembly (40) includes First Heat Exchanger
(41) it is flowed through the First Heat Exchanger (41) with water tank (42), the refrigerant working line (60), the water tank (42) passes through the
One water-circulation pipe (43) flows through the First Heat Exchanger (41) and refrigerant working line (60) heat exchange.
6. hot-water heating system according to claim 5, which is characterized in that be provided on first water-circulation pipe (43)
One water pump (44).
7. hot-water heating system according to claim 1, which is characterized in that the indoor unit component (50) includes the second heat exchanger
(51) and indoor end equipment (52), the refrigerant working line (60) pass through second heat exchanger (51), the indoor end
End equipment (52) is by the second water-circulation pipe (53) by second heat exchanger (51) and the refrigerant working line (60)
Heat exchange.
8. hot-water heating system according to claim 7, which is characterized in that be provided on second water-circulation pipe (53)
Two water pumps (54).
9. a kind of control method of hot-water heating system, which is characterized in that the hot-water heating system includes, including compressor (10), four-way
Valve (20), outdoor heat exchanger (30), cistern assembly (40) and indoor unit component (50)；The output end of the compressor (10) and institute
The first interface for stating four-way valve (20) is connected, and the second interface of the four-way valve (20) is connected with the outdoor heat exchanger (30)
It connects, the outdoor heat exchanger (30) is connect (40) with the cistern assembly (40) by the first pipeline, the cistern assembly (40)
It is provided between the third interface of the four-way valve (20) refrigerant working line (60), the refrigerant working line (60) is from institute
It states after outdoor heat exchanger (30) picks out successively by the cistern assembly (40) and the indoor unit component (50), the four-way valve
(20) it is connect between the 4th interface and the input terminal of the compressor (10) by refrigerant return pipeline (70), in the refrigerant
The first expansion valve is provided between the outdoor heat exchanger (30) and the cistern assembly (40) in working line (60)
(61), it is arranged between the cistern assembly (40) and the indoor unit component (50) on the refrigerant working line (60)
Have the second expansion valve (62), the cistern assembly (40) includes First Heat Exchanger (41) and water tank (42), the refrigerant instrumentation tubes
Line (60) flows through the First Heat Exchanger (41), and the water tank (42) flows through described first by the first water-circulation pipe (43) and changes
Hot device (41) and refrigerant working line (60) heat exchange are provided with the first water pump on first water-circulation pipe (43)
(44), the indoor unit component (50) includes the second heat exchanger (51) and indoor end equipment (52), the refrigerant working line
(60) pass through second heat exchanger (51), the indoor end equipment (52) passes through described in the second water-circulation pipe (53) process
Second heat exchanger (51) and refrigerant working line (60) heat exchange are provided with second on second water-circulation pipe (53)
Water pump (54), the control method is for controlling the hot-water heating system.
10. control method according to claim 9, which is characterized in that the control method includes: the first heating mode；
The output end of the compressor (10) is connected to by the four-way valve (20) with the outdoor heat exchanger (30), and described first
Expansion valve (61) throttling, the second expansion valve (62) standard-sized sheet, the first water pump (44) operating, second water pump (54) are closed
It closes.
11. control method according to claim 9, which is characterized in that the control method includes the second heating mode:
The output end of the compressor (10) is connected to by the four-way valve (20) with the outdoor heat exchanger (30), and described first
Expansion valve (61) throttling, the second expansion valve (62) standard-sized sheet, first water pump (44) are closed, and second water pump (54) is opened
It opens.
12. control method according to claim 9, which is characterized in that the control method includes:
The input terminal of refrigeration mode, compressor (10) is connected to by four-way valve (20) with outdoor heat exchanger (30), and described first is swollen
Swollen valve (61) standard-sized sheet, the second expansion valve (62) throttling, first water pump (44) are closed, and second water pump (54) is opened
It opens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109869800A (en) * | 2019-03-18 | 2019-06-11 | 天津商业大学 | A kind of high temperature heat pump heating system with subcooler |
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