CN105783327A - Cooling and heating integrated carbon dioxide heat pump device - Google Patents
Cooling and heating integrated carbon dioxide heat pump device Download PDFInfo
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- CN105783327A CN105783327A CN201610300817.XA CN201610300817A CN105783327A CN 105783327 A CN105783327 A CN 105783327A CN 201610300817 A CN201610300817 A CN 201610300817A CN 105783327 A CN105783327 A CN 105783327A
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- water
- heat exchanger
- valve
- heating
- carbon dioxide
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- 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
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
- F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide
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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
- F25B2309/00—Gas cycle refrigeration machines
- F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The invention discloses a cooling and heating integrated carbon dioxide heat pump device. The cooling and heating integrated carbon dioxide heat pump device comprises a refrigerant circulation system and a hot water circulation system, wherein the refrigerant circulation system mainly comprises a carbon dioxide compressor, a four-way reversing valve, an outdoor fan, an outdoor heat exchanger, an electronic expansion valve, an indoor unit, a solenoid valve, a water-refrigerant heat exchanger and the like; and the hot water circulation system mainly comprises a circulation water pump, a pressure-bearing water tank, an expansion water tank, a water-water heat exchanger and a heating plate/floor heating coiled tube and the like. According to different weather conditions of the spring, summer, autumn and winter, six running modes including hot water as well as heating, hot water, heating, hot water as well as refrigeration, air conditioner heating and air conditioner refrigeration can be adopted; and three-combined supply including hot water supply, cold supply and heat supply is realized. In addition, because carbon dioxide is used as a working medium of a heat pump, at a relatively low environment temperature, relatively high heating capacity and relatively high energy efficiency can still be maintained. Therefore, the heat pump device has the advantages of high efficiency, energy conservation, environmental protection, compact structure, and low-cost running.
Description
Technical field
The present invention be applied to frontier sentry, depot etc. cannot central refrigerating, the outlying district of heating, relate to one
Kind not only can freeze under hot environment, but also the novel all-in-one of domestic hot-water and room heating can be produced under low temperature environment
Carbon dioxide (CO2) heat pump assembly.
Background technology
The heat pump assembly product of current domestic use uses not carbon dioxide working medium, mostly uses separate unit single-phase
Rotary compressor or scroll compressor.Major part heat pump assembly uses circulating-heating mode, configuration auxiliary electricity
Heating system, after ambient temperature is less than 0 DEG C, starts auxiliary electrical heater, meets user's request, but efficiency is excellent
Gesture has not just existed, and, when ambient temperature is less than-7 DEG C, heat pump prohibits the use of, as individually
Electric heater, cannot meet the demand of user substantially.
Also having and use frequency conversion system or digital vortex system, the ambient temperature the most simply allowing product use is the lowest
Some, and significantly decay at low temperature environment temperature less than-12 DEG C, efficiency and heating capacity, it is impossible to normally use.
And some custom-designed heat pump assemblies can produce the hot water less than 60 DEG C in summer, work as ambient temperature
Time the lowest, conventional heat pump device to add heat the least, extending heating time, Energy Efficiency Ratio also can be the lowest.From air
In caloric receptivity little, cannot carry out hot water preparing by heat pump assembly.Therefore, conventional heat pump device is suitable for
The Changjiang river areas to the south uses, and then cannot use the winter of cold district, uses environment to be extremely limited.
And using heat pump type air conditioner, ambient temperature is less than-7 DEG C in the winter time, and hot water preparing temperature is less than 45 DEG C.
The present invention proposes a kind of cooling in summer, winter heating and produces the integrated carbon dioxide of domestic hot-water
(CO2) heat pump assembly.This heat pump assembly, for spring, summer, autumn and winter different weather condition, can use hot water+heating, heat
Water, heating, hot water+refrigeration, air-conditioning heating, six kinds of operational modes of air conditioner refrigerating, it is achieved hot water, cooling and
Heat supply trilogy supply.Additionally, due to employing carbon dioxide is as heat pump (refrigeration) working medium, in relatively low environment temperature
Under degree, still can maintain higher heating capacity and higher efficiency, so this heat pump assembly has efficiently, saves
Can environmental protection, compact conformation, the advantage of low cost movement.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, it is an object of the invention to provide a kind of changes in temperature integration two
Carbonoxide heat pump assembly, has safe and reliable, the design concept of energy-conserving and environment-protective, the internal existing compression refrigeration of unit
/ heating recycle system, has again hot water cyclesystem so that compress hot water or cold water's cooling/heating air conditioner processed integration, no
Taking placing space, indoor temperature controls more accurate, and winter heating's operating cost is down to minimum.
Technical scheme: for achieving the above object, the present invention adopts the following technical scheme that
A kind of changes in temperature integration carbon dioxide heat pump device, including coolant circulating system and hot water cyclesystem, institute
State coolant circulating system include carbon-dioxide gas compressor, four-way change-over valve, outdoor fan, outdoor heat exchanger,
One electric expansion valve, indoor set, the second electric expansion valve, electromagnetic valve and water-refrigerant heat exchanger；Described dioxy
The low pressure mouth of pipe changing carbon compressor is connected with the first port of four-way change-over valve, and high pressure pipe mouth commutates with four-way respectively
Second port of valve and water-refrigerant heat exchanger are connected, the 3rd port and the outdoor heat exchanger phase of four-way change-over valve
Even, the 4th port is connected with outdoor heat exchanger and indoor set respectively；Carbon-dioxide gas compressor, water-coolant change
Hot device, electromagnetic valve, the first electric expansion valve and outdoor heat exchanger constitute the first coolant circulating system；Carbon dioxide
Compressor, water-refrigerant heat exchanger, electromagnetic valve, the second electric expansion valve and indoor set constitute the second refrigerant circulation
System；Carbon-dioxide gas compressor, outdoor heat exchanger, the first electric expansion valve, the second electric expansion valve and indoor
Mechanism becomes the 3rd coolant circulating system；
Described hot water cyclesystem include the first water circulating pump, press-bearing water tank, expansion tank, the second water circulating pump,
Water-water heat exchanger, the 3rd water circulating pump and radiator/grounding heat coil tube；Press-bearing water tank, the first water circulating pump, water
-refrigerant heat exchanger constitutes the first water circulation system；Press-bearing water tank, water-water heat exchanger and the second water circulating pump are constituted
Second water circulation system；Water-water heat exchanger, radiator/grounding heat coil tube and the 3rd water circulating pump constitute the 3rd water and follow
Loop systems.
As preferably, the pipeline that the high pressure pipe mouth of carbon-dioxide gas compressor is connected with water-refrigerant heat exchanger is provided with
First electromagnetic valve, the pipeline that the 3rd port of four-way change-over valve is connected with outdoor heat exchanger is provided with the second electromagnetism
Valve, the pipeline that the 4th port of four-way change-over valve is connected with indoor set is provided with the 3rd electromagnetic valve, four-way change-over valve
The pipeline that is connected with outdoor heat exchanger of the 4th port be provided with the 4th electromagnetic valve；Electromagnetic valve and the first electronic expansion
The branch road that valve is connected is provided with the 5th electromagnetic valve, and the branch road being connected with the second electric expansion valve is provided with the 6th electromagnetism
Valve.By controlling each closed electromagnetic valve and opening, it is achieved the switching of heat pump assembly different working modes.
As preferably, the connecting line of water-between refrigerant heat exchanger and electromagnetic valve is provided with liquid-sighting glass, dry filter
Device, service valve and stop valve.State when being run by liquid-sighting glass observable coolant system, and according to liquid-sighting glass
Coolant quantity in condition adjudgement system pipeline and coolant cleanliness factor.Device for drying and filtering can effectively be removed in system pipeline
Moisture in coolant and impurity.By closing stop valve, it is achieved the replacing of device for drying and filtering.
As preferably, the water outlet pipeline of water-refrigerant heat exchanger is provided with flow control valve and ball valve, water inlet
Pipeline is provided with ball valve, gate valve, check-valves, the first water circulating pump and filter.Flow control valve is according to coolant
System line pressures automatic ratio regulating water flow, it is achieved coolant system runs continually and steadily.On inlet pipeline
Ball valve, gate valve, check-valves, the first water circulating pump and filter are set, it is achieved the water in press-bearing water tank passes through water
Pump is recycled to after water-refrigerant heat exchanger carries out heat exchange and returns in press-bearing water tank, forms closed cycle.By mistake
Filter realizes, to the filtration of impurities in water, avoiding the impurity in water tank to stick to water by water pump circulation as far as possible
In-refrigerant heat exchanger, to reduce the decay of heat exchange efficiency, and closing gate valve can be passed through, it is achieved to filter
Change.
As preferably, being provided with cooling water inlet bottom described press-bearing water tank, top is provided with relief valve.Work as press-bearing water tank
When interior operating pressure exceedes permission pressure value, relief valve automatically opens up and outwards discharges water, along with pressure in water tank
Reduction, relief valve will be re-closing off, thus prevent the superpressure of pipeline and equipment dangerous.
As preferably, described press-bearing water tank is provided with the first outlet on top, and middle part is provided with the second outlet, under
Portion is provided with the 3rd outlet, and the first outlet is connected with water-water heat exchanger, the second outlet and the 3rd outlet
It is connected with water mixing valve by pipeline, is connected to domestic hot-water's pipeline by water mixing valve, to meet the need of domestic hot-water
Ask.
As preferably, the carbon-dioxide gas compressor in coolant circulating system, outdoor heat exchanger, outdoor fan, water
-refrigerant heat exchanger, system pipeline and refrigeration part, water spraying tray and electric box are integrated in off-premises station framework.
Operation principle: the carbon dioxide heat pump device of the present invention dexterously by carbon dioxide DC frequency-changeable compressor,
Four-way change-over valve, outdoor heat exchanger, outdoor fan, indoor set are combined by pipeline and valve member, can realize
Hot water+heating, hot water, heating, hot water+refrigeration, air-conditioning heating, six kinds of operational modes of air conditioner refrigerating, real
Existing hot water, cooling and heat supply trilogy supply.When hot water/hot water+heating/heating: absorb ring by off-premises station
Heat in the air of border, compresses kind of refrigeration cycle, transfers heat to the hot water in press-bearing water tank, by water-water
Heat exchanger circulation make heating with or directly using the hot water in water tank and cold water mix as showers, kitchen etc. life hot
Water uses.When air conditioner refrigerating: by the heat in indoor set absorption chamber, compress kind of refrigeration cycle, by heat
By outdoor fan, preposition for the heat of outdoor heat exchanger convection current is dispersed in environment, to reduce indoor temperature,
Reach refrigeration.When hot water+refrigeration: by the heat in indoor set absorption chamber, compress kind of refrigeration cycle,
The hot water being sent in press-bearing water tank by water-refrigerant heat exchanger by heat, is possible not only to reduce indoor temperature,
The hot water temperature in water tank can be improved, in order to domestic hot-water uses simultaneously.When air-conditioning heating: by outdoor
Heat exchanger absorbs the heat of environment through outdoor fan forced convertion, compresses kind of refrigeration cycle, by heat by indoor
Machine is dispersed into indoor, to raise indoor temperature, reaches heating effect.
Beneficial effect: compared with prior art, present invention have the advantage that
(1) CO is used2As refrigeration working medium, CO2It is that one does not destroy atmospheric ozone layer (ODP=0) and complete
The natural refrigerant of ball climate warming index the least (GWP=1).Its safety, nontoxic, do not burn, with lubrication
Oil and metal, nonmetallic materials Fails To Respond, also will not resolve into harmful gas under high temperature.The whole world can be reduced
Greenhouse effect, wide material sources, do not need to reclaim, refrigerant replacement cost can be substantially reduced, save the energy, from
Fundamentally solve the compound pollution problem to environment, there is good economy.Further, CO2Viscosity is little,
CO when 0 DEG C2The dynamic viscosity of saturated liquid is the 5.2% of NH3, the 23.8% of R12, the flowing of fluid
Resistance is little, and heat transfer property is more preferable than CFC class cold-producing medium, can improve the heat radiation of hermetically sealed compressor.
CO2Molecular weight is little, and refrigerating capacity is big, and the specific refrigerating effect of 0 DEG C is higher 5～8 times than conventional refrigerant, thus right
In the refrigeration system of identical refrigeration duty, the size of compressor can be obviously reduced, weight saving, and whole system is non-
The compactest；Lubricating condition readily satisfies, corrosion-free to refrigeration system common materials, can improve open-type compression
The sealing property of machine, reduces leakage.
(2) carbon dioxide heat pump device of the present invention can use hot water+heating, hot water, heating, hot water+system
Cold, air-conditioning heating, six kinds of operational modes of air conditioner refrigerating, it is achieved hot water, cooling and heat supply trilogy supply, have knot
Structure is compact, the superiority of complete function.Kitchen, toilet shower and bath can be met according to user's request simultaneously
Basin (supplying hot water capable of circulation) hot water, heating floor circulation/radiator heating (winter), indoor refrigeration (summer
My god) etc. demand.Further, for the feature of different purposes hot water, consider the distribution of water tank many temperature layer simultaneously,
Different purposes, different time, the intelligent water mixing control strategy of difference water requirement can be realized, reach to greatest extent
Energy saving requirement purpose.
(3) hot water temperature that the carbon dioxide heat pump device of the present invention is produced reaches as high as 90 DEG C, even if
Under the low temperature environment of-20 DEG C, it is possible to produce the high-temperature-hot-water of 65 DEG C, and Energy Efficiency Ratio COP is more than 2.0, not only
Meet heating needs and the hot water demand in cold district winter, and there is good energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the systematic schematic diagram of the embodiment of the present invention.
In figure: 1-carbon-dioxide gas compressor, 2-high-voltage switch gear, 3-low tension switch, 4-revolves locking-valve, and 5-four-way changes
To valve, 6-the first electromagnetic valve, 7-the second electromagnetic valve, 8-the 3rd electromagnetic valve, 9-the 4th electromagnetic valve, 13-the 5th electricity
Magnet valve, 16-the 6th electromagnetic valve, 10-outdoor fan, 11-outdoor heat exchanger, 12 first electric expansion valves, 15-
Second electric expansion valve, 14-indoor set, 17-electromagnetic valve, 18-liquid-sighting glass, 19-device for drying and filtering, 20-overhauls
Valve, 21-stop valve, 22-water-refrigerant heat exchanger, 23-flow control valve, 24-ball valve, 25-gate valve, 26-is only
Return valve, 27-the first water circulating pump, 28-filter, 29-press-bearing water tank, 30-relief valve, 31-expansion tank,
32-water mixing valve, 33-the second water circulating pump, 34-water-water heat exchanger, 35-the 3rd water circulating pump, 36-grounding heat coil tube
/ radiator.
Fig. 2 is the structure chart of coolant system in the embodiment of the present invention.
In figure: a-framework, b-electric box, c-water spraying tray, d-outdoor heat exchanger, e-outdoor fan, f-system pipes
Road and refrigeration part, g-carbon-dioxide gas compressor, h-water-refrigerant heat exchanger.
Fig. 3 is the embodiment of the present invention principle schematic for hot water+heating/hot water/heating.
Fig. 4 is the embodiment of the present invention principle schematic for hot water+refrigeration.
Fig. 5 is the embodiment of the present invention principle schematic for air conditioner refrigerating.
Fig. 6 is the embodiment of the present invention principle schematic for air-conditioning heating.
Detailed description of the invention
Below in conjunction with specific embodiment, it is further elucidated with the present invention, it should be understood that these embodiments are merely to illustrate this
Invention rather than restriction the scope of the present invention, after having read the present invention, those skilled in the art are to this
The amendment of the bright various equivalent form of values all falls within the application claims limited range.
As it is shown in figure 1, a kind of changes in temperature integration carbon dioxide heat pump device disclosed in the embodiment of the present invention, including
Coolant circulating system and hot water cyclesystem two large divisions, wherein coolant circulating system is mainly by carbon dioxide direct current
Frequency-changeable compressor 1, water-refrigerant heat exchanger 22, electromagnetic valve 17, electric expansion valve 12/15, outdoor heat exchanger
11, outdoor fan 10, indoor set 14, four-way change-over valve 5, electromagnetic valve 6/7/8/9/13/16, circulation line etc.
Main parts size and corresponding exhaust gas temperature sensor, high and low pressure force transducer, protector, defrosting electromagnetic valve,
The compositions such as heat exchanger detection temperature sensor, control device (not shown).Hot water cyclesystem is mainly by holding
Setting-out case 29, water-water heat exchanger 34, water circulating pump 27/33/35, radiator/grounding heat coil tube 36, water mixing valve
32, the parts such as water pipe and various valves and relevant water side temperature sensor composition.
The low pressure mouth of pipe of carbon-dioxide gas compressor 1 is connected to four-way change-over valve 5 through low tension switch 3, rotation locking-valve 4
The first port (first, second and third and four right side, left, lower-left and the upper left port in port respectively corresponding diagram),
High pressure pipe mouth through high-voltage switch gear 2, rotation locking-valve 4 is connected to the second port of four-way change-over valve 5 and water-coolant changes
Hot device 22, the pipeline being connected with water-refrigerant heat exchanger 22 is provided with electromagnetic valve 6, the 3rd of four-way change-over valve 5
Port is connected with outdoor heat exchanger 11, and pipeline is provided with electromagnetic valve 7, the 4th port respectively with outdoor heat exchanger
11 and indoor set 14 be connected, pipeline sets electromagnetic valve 9 and electromagnetic valve 8 respectively.Electromagnetic valve 6,9,13,
17 open, when electromagnetic valve 7,8,16 cuts out, and carbon-dioxide gas compressor 1, water-refrigerant heat exchanger 22, electromagnetism
Valve 17, electric expansion valve 12 and outdoor heat exchanger 11 constitute the first coolant circulating system, can realize low temperature ring
Hot water and heating is obtained under border.Electromagnetic valve 7,9,13 cuts out, when electromagnetic valve 6,8,16,17 is opened, and two
Carbonoxide compressor 1, water-refrigerant heat exchanger 22, electromagnetic valve 17, electric expansion valve 15 and indoor set 14 structure
Become the second coolant circulating system, when may be implemented in indoor refrigeration, obtain hot water.Electromagnetic valve 6,9,17 cuts out,
When electromagnetic valve 7,8,13,16 is opened, close each water circulating pump in hot water cyclesystem, pressurized carbon dioxide
Contracting machine 1, outdoor heat exchanger 11, electric expansion valve 12,15 and indoor set 14 constitute the 3rd coolant circulating system,
Room conditioning refrigeration can be realized and heat.
As in figure 2 it is shown, the source pump that the critical piece of the coolant circulating system of the present embodiment is constituted can be integrated in
In off-premises station framework, water spraying tray c is positioned in the middle of framework a, middle installation outdoor fan e above water spraying tray c,
Periphery arranges outdoor heat exchanger d.Carbon-dioxide gas compressor g and water-refrigerant heat exchanger h is positioned at below water spraying tray c,
Carbon-dioxide gas compressor g is placed in inside water-refrigerant heat exchanger h.Electric box b is positioned at lower frame side, is
Road under the overall leadership and refrigeration part f arrange along framework opposite side.Compact overall structure, easy for installation, do not account for Interior Space
Between.
Below in conjunction with Fig. 3-Fig. 6, embodiment of the present invention work principle in different modes is illustrated.
Hot water+heating/hot water/heating:
As it is shown on figure 3, the present embodiment is when hot water+heating (radiator/floor heating)/hot water/heating, coolant
Electromagnetic valve 7,8,16 in blood circulation cuts out, and indoor set 14 is closed, electromagnetic valve 6,9,13,17 dozens
Opening, it is empty that carbon dioxide heat-pump unit utilizes outdoor heat exchanger 11 to absorb environment by outdoor fan 10 forced convertion
Heat in gas, compresses kind of refrigeration cycle through carbon-dioxide gas compressor 1, by heat by water-refrigerant heat exchanger
22 are sent to the hot water in press-bearing water tank 29.Hot water in press-bearing water tank 29 and the water in floor heating/radiator 36
Respectively by each self-loopa of water pump 33,35, and carry out heat exchange at water-water heat exchanger 34, reach indoor
The purpose of heating.It addition, upper strata hot water and lower floor's warm water in press-bearing water tank 29 are mixed by water mixing valve 32,
To meet the demand of domestic hot-water.Make under this source pump cold district cryogenic conditions, to produce life heat
Water, again can the dual requirements of heating.
Hot water+refrigeration:
As shown in Figure 4, the present embodiment when hot water+refrigeration, electromagnetic valve in coolant circulating system 7,9,
13 close, and electromagnetic valve 6,8,16,17 is opened, and outdoor fan 10 is out of service, and coolant is without outdoor
Heat exchanger 11 circulates, and by the heat in indoor apparatus of air conditioner 14 absorption chamber, through carbon-dioxide gas compressor 1
Compression kind of refrigeration cycle, is sent to the hot water in press-bearing water tank 29 by heat by water-refrigerant heat exchanger 22, holds
Upper strata hot water and lower floor's warm water in setting-out case 29 are mixed by water mixing valve 32, to meet the demand of domestic hot-water.
Make i.e. to utilize indoor heat exchanger to absorb heat and reach refrigeration to reduce indoor temperature, again can be by heat
The hot water that amount is transported in press-bearing water tank, uses as domestic hot-water.
Air conditioner refrigerating:
As it is shown in figure 5, the present embodiment is when air conditioner refrigerating, electromagnetic valve in coolant circulating system 6,9,
17 close, and electromagnetic valve 7,8,13,16 is opened, and the water pump 27,33,35 in hot water cyclesystem is whole
Closing, flow control valve 23 cuts out.Coolant heat in indoor apparatus of air conditioner 14 absorption chamber, through four-way
Reversal valve 5 (the 4th port enters, and the first port goes out), enters carbon-dioxide gas compressor 1 and compresses kind of refrigeration cycle,
The carbon dioxide of High Temperature High Pressure, through four-way change-over valve 5 (the second port enters, and the 3rd port goes out), flows to
Outdoor heat exchanger 11, air is through the forced convertion of outdoor fan 10, by the system through outdoor heat exchanger 11
Cryogen heat distributes to outdoor environment.Indoor heat can be gradually reduced along with the absorption of indoor set, indoor temperature
Also can be gradually lowered, reach indoor refrigeration.
Air-conditioning heating:
As shown in Figure 6, the present embodiment when air-conditioning heating, electromagnetic valve in coolant circulating system 6,9,
17 close, and electromagnetic valve 7,8,13,16 is opened, and the water pump 27,33,35 in hot water cyclesystem is whole
Closing, flow control valve 23 cuts out.Coolant is through outdoor heat exchanger 14, and it is right to be forced by outdoor fan 10
Stream absorbs the heat in environment, through four-way change-over valve 5 (the 3rd port enters, and the first port goes out), enters two
Carbonoxide compressor 1 compresses kind of refrigeration cycle, and the carbon dioxide of High Temperature High Pressure is through four-way change-over valve 5 (
Two-port netwerk enters, and the 4th port goes out), flow to indoor apparatus of air conditioner 14, through the heat exchange with room air, by heat
Amount distributes to indoor, and indoor temperature also can gradually rise, and reaches room conditioning heating effect.
Claims (7)
1. a changes in temperature integration carbon dioxide heat pump device, including coolant circulating system and hot water cyclesystem, it is characterized in that, described coolant circulating system includes carbon-dioxide gas compressor (1), four-way change-over valve (5), outdoor fan (10), outdoor heat exchanger (11), the first electric expansion valve (12), indoor set (14), the second electric expansion valve (15), electromagnetic valve (17) and water-refrigerant heat exchanger (22)；
The low pressure mouth of pipe of described carbon-dioxide gas compressor (1) is connected with the first port of four-way change-over valve (5), high pressure pipe mouth is connected with the second port and the water-refrigerant heat exchanger (22) of four-way change-over valve (5) respectively, 3rd port of four-way change-over valve (5) is connected with outdoor heat exchanger (11), and the 4th port is connected with outdoor heat exchanger (11) and indoor set (14) respectively；
Carbon-dioxide gas compressor (1), water-refrigerant heat exchanger (22), electromagnetic valve (17), the first electric expansion valve (12) and outdoor heat exchanger (11) constitute the first coolant circulating system；Carbon-dioxide gas compressor (1), water-refrigerant heat exchanger (22), electromagnetic valve (17), the second electric expansion valve (15) and indoor set (14) constitute the second coolant circulating system；Carbon-dioxide gas compressor (1), outdoor heat exchanger (11), the first electric expansion valve (12), the second electric expansion valve (15) and indoor set (14) constitute the 3rd coolant circulating system；
Described hot water cyclesystem includes the first water circulating pump (27), press-bearing water tank (29), expansion tank (31), the second water circulating pump (33), water-water heat exchanger (34), the 3rd water circulating pump (35) and radiator/grounding heat coil tube (36)；Press-bearing water tank (29), the first water circulating pump (27), water-refrigerant heat exchanger (22) constitute the first water circulation system；Press-bearing water tank (29), water-water heat exchanger (34) and the second water circulating pump (33) constitute the second water circulation system；Water-water heat exchanger (34), radiator/grounding heat coil tube (36) and the 3rd water circulating pump (35) constitute the 3rd water circulation system.
Changes in temperature integration carbon dioxide heat pump device the most according to claim 1, it is characterised in that
The pipeline that the high pressure pipe mouth of carbon-dioxide gas compressor (1) is connected with water-refrigerant heat exchanger (22) is provided with the first electromagnetic valve (6), the pipeline that 3rd port of four-way change-over valve (5) is connected with outdoor heat exchanger (11) is provided with the second electromagnetic valve (7), the pipeline that 4th port of four-way change-over valve (5) is connected with indoor set (14) is provided with the 3rd electromagnetic valve (8), and the pipeline that the 4th port of four-way change-over valve (5) is connected with outdoor heat exchanger (11) is provided with the 4th electromagnetic valve (9)；
The branch road that electromagnetic valve (17) is connected with the first electric expansion valve (12) is provided with the 5th electromagnetic valve (13), and the branch road being connected with the second electric expansion valve (15) is provided with the 6th electromagnetic valve (16).
Changes in temperature integration carbon dioxide heat pump device the most according to claim 1, it is characterized in that, the connecting line between water-refrigerant heat exchanger (22) and electromagnetic valve (17) is provided with liquid-sighting glass (18), device for drying and filtering (19), service valve (20) and stop valve (21).
Changes in temperature integration carbon dioxide heat pump device the most according to claim 1, it is characterized in that, the water outlet pipeline of water-refrigerant heat exchanger (22) is provided with flow control valve (23) and ball valve (24), and water inlet pipeline is provided with ball valve (24), gate valve (25), check-valves (26), the first water circulating pump (27) and filter (28).
Changes in temperature integration carbon dioxide heat pump device the most according to claim 1, it is characterised in that described press-bearing water tank (29) bottom is provided with cooling water inlet, and top is provided with relief valve (30).
Changes in temperature integration carbon dioxide heat pump device the most according to claim 5, it is characterized in that, described press-bearing water tank (29) is provided with the first outlet on top, middle part is provided with the second outlet, bottom is provided with the 3rd outlet, first outlet is connected with water-water heat exchanger (34), and the second outlet and the 3rd outlet are connected with water mixing valve (32) by pipeline, are connected to domestic hot-water's pipeline by water mixing valve (32).
Changes in temperature integration carbon dioxide heat pump device the most according to claim 1, it is characterized in that, carbon-dioxide gas compressor, outdoor heat exchanger, outdoor fan, water-refrigerant heat exchanger, system pipeline and refrigeration part, water spraying tray and electric box in coolant circulating system are integrated in off-premises station framework.
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| CN107869858A (en) * | 2017-11-02 | 2018-04-03 | 龙川纽恩泰新能源科技发展有限公司 | A kind of heating, refrigeration and hot water tri-generation heat pump circulating device |
| CN108758916A (en) * | 2018-06-28 | 2018-11-06 | 北京艾尔绿能科技有限公司 | A kind of double end air source heat pump heating air conditioning units of fluorine water |
| CN108759152A (en) * | 2018-06-28 | 2018-11-06 | 北京艾尔绿能科技有限公司 | A kind of double end air source heat pump heating air conditioning units of perfluor |
| CN109780723A (en) * | 2017-11-13 | 2019-05-21 | 游素月 | CO2Hot application apparatus |
| CN110296545A (en) * | 2018-03-22 | 2019-10-01 | 烟台大学 | A kind of air conditioning of indirect heat exchange, supplying hot water, drying integrated heat pump assembly |
| CN113899034A (en) * | 2021-09-27 | 2022-01-07 | 深圳朴坂科技有限公司 | All-weather air conditioning device capable of generating power and outputting power |
| CN114659294A (en) * | 2022-04-11 | 2022-06-24 | 青岛海信日立空调系统有限公司 | Air source heat pump |
| WO2023030544A1 (en) * | 2021-09-06 | 2023-03-09 | 上海复璐帝流体技术有限公司 | Carbon dioxide refrigerant gas pressurized circulation system, circulation method, and cooling and heating air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106052123A (en) * | 2016-07-27 | 2016-10-26 | 许继鲁 | Air conditioner and air energy water heater combined device |
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| CN110296545B (en) * | 2018-03-22 | 2024-03-22 | 烟台大学 | Air conditioning, hot water supply and drying integrated heat pump device with indirect heat exchange |
| CN108758916A (en) * | 2018-06-28 | 2018-11-06 | 北京艾尔绿能科技有限公司 | A kind of double end air source heat pump heating air conditioning units of fluorine water |
| CN108759152A (en) * | 2018-06-28 | 2018-11-06 | 北京艾尔绿能科技有限公司 | A kind of double end air source heat pump heating air conditioning units of perfluor |
| WO2023030544A1 (en) * | 2021-09-06 | 2023-03-09 | 上海复璐帝流体技术有限公司 | Carbon dioxide refrigerant gas pressurized circulation system, circulation method, and cooling and heating air conditioner |
| CN113899034A (en) * | 2021-09-27 | 2022-01-07 | 深圳朴坂科技有限公司 | All-weather air conditioning device capable of generating power and outputting power |
| CN114659294A (en) * | 2022-04-11 | 2022-06-24 | 青岛海信日立空调系统有限公司 | Air source heat pump |
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