CN110345637A - Heat pump system and control method for heat pump system - Google Patents
Heat pump system and control method for heat pump system Download PDFInfo
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- CN110345637A CN110345637A CN201910718386.2A CN201910718386A CN110345637A CN 110345637 A CN110345637 A CN 110345637A CN 201910718386 A CN201910718386 A CN 201910718386A CN 110345637 A CN110345637 A CN 110345637A
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- heat exchanger
- pump system
- heat
- waste water
- thermal energy
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000002351 wastewater Substances 0.000 claims abstract description 93
- 239000003507 refrigerant Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 12
- 239000002918 waste heat Substances 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 description 7
- 238000009834 vaporization Methods 0.000 description 6
- 230000008016 vaporization Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—Water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The application provides a heat pump system and a control method of the heat pump system. The heat pump system comprises a compressor, a first throttling element, a condenser and an air-heat energy exchanger. The compressor, the first throttling element, the condenser and the air heat energy heat exchanger are connected through a first refrigerant pipeline set, and the first throttling element is used for throttling refrigerants in the first refrigerant pipeline set. The heat pump system further comprises a waste water heat energy heat exchanger, the waste water heat energy heat exchanger is used for absorbing heat energy in waste water, the waste water heat energy heat exchanger is connected with the air heat energy heat exchanger in parallel through a second refrigerant pipeline group, and at least one of the waste water heat energy heat exchanger and the air heat energy heat exchanger participates in absorbing heat energy. By applying the technical scheme of the invention, the heat pump system can select at least one of the waste water heat energy heat exchanger and the air heat energy heat exchanger to be used for absorbing heat energy according to the actual condition of the heat source, and can be suitable for being used in various places, thereby saving energy consumption and improving the energy utilization rate.
Description
Technical field
The present invention relates to technical field of heat pumps, in particular to the control method of a kind of heat pump system and heat pump system.
Background technique
The ratio that various commercial building domestic water energy consumption in city accounts for total energy consumption reaches 10%~40%.But most of heat
Heat is not fully utilized water in use.General shower temperature water temperature is between 40-45 DEG C, after use
Waste water temperature also have 30 DEG C or so, nearly 2/3 heat wastes in fact.
Waste heat water resource heat pump product is also gone out on the market, first time water heating needs not save using electric heating when in use
Can, and can only be have hot water bathing it is complete after just have spent hot water's heat source utilization, therefore heat source utilize have retardance.Existing air-source
The stable energy conservation of heat pump product majority operating condition, but in the easy frosting of low temperature and high relative humidity operating condition, need to absorb domestic water energetic
Frost wastes energy.
Summary of the invention
The embodiment of the invention provides the control methods of a kind of heat pump system and heat pump system, hot in the prior art to solve
The technical issues of energy dissipation existing for pumping system, heat source delay.
The application embodiment provides a kind of heat pump system, comprising: compressor；First throttle element；Condenser is used for
Domestic water is heated；Air heat energy heat exchanger, for absorbing the thermal energy in air；It is compressor, first throttle element, cold
Condenser is connected with air heat energy heat exchanger by the first refrigerant pipeline group, and first throttle element is used for in the first refrigerant pipeline group
Refrigerant throttles；Heat pump system further include: waste water thermal energy heat exchanger, for absorbing the thermal energy in waste water, the heat exchange of waste water thermal energy
Device passes through the second refrigerant pipeline group and air heat energy heat exchanger in parallel or in series, waste water thermal energy heat exchanger and air heat energy heat exchange
At least one of device participates in absorbing thermal energy.
In one embodiment, waste water thermal energy heat exchanger passes through the second refrigerant pipeline group and air heat energy heat exchanger simultaneously
Connection, heat pump system further include: the second restricting element is arranged in the second refrigerant pipeline group, for in the second refrigerant pipeline group
Refrigerant throttle.
In one embodiment, heat pump system includes the first four-way valve, the part refrigerant pipeline of the first refrigerant pipeline group
It is connected to by the first four-way valve, the first four-way valve is used to switch the refrigerant flow direction of the part refrigerant pipeline of the first refrigerant pipeline group.
In one embodiment, heat pump system includes the second four-way valve, the part refrigerant pipeline of the second refrigerant pipeline group
It is connected to by the second four-way valve.
In one embodiment, heat pump system further includes gas-liquid separator, and the first refrigerant pipeline is arranged in gas-liquid separator
The upstream of air entry in group and positioned at compressor.
In one embodiment, air heat energy heat exchanger is fluorine/air heat exchanger, waste water thermal energy heat exchanger and/or cold
Condenser is fluorine/water- to-water heat exchanger.
In one embodiment, heat pump system further includes waste water water tank, states waste water thermal energy heat exchanger and passes through waste line
It is connected to waste water water tank.
In one embodiment, the relatively independent setting of waste water thermal energy heat exchanger.
In one embodiment, waste heat water pump is provided on waste line.
Present invention also provides a kind of control method of heat pump system, control method is used to control above-mentioned heat pump system,
Control method includes: to participate in absorbing thermal energy only with waste water thermal energy heat exchanger when waste water temperature high position first predetermined value；When useless
When coolant-temperature gage is lower than second predetermined value, participate in absorbing thermal energy only with air heat energy heat exchanger；When to be in third pre- for waste water temperature
When between definite value and the 4th predetermined value, absorption thermal energy is simultaneously participated in using waste water thermal energy heat exchanger and air heat energy heat exchanger.
In the above-described embodiments, compared to previous air energy thermal pumping system, in addition to being absorbed using air heat energy heat exchanger
Thermal energy in air participates in absorbing thermal energy, except allowing condenser to heat domestic water, waste water thermal energy can also be allowed to exchange heat
Device absorbs the thermal energy in waste water and participates in absorbing thermal energy.Heat pump system can be according to the actual conditions of heat source, to select waste water thermal energy
At least one of heat exchanger and air heat energy heat exchanger participate in absorbing thermal energy, are applicable to the use of various places, save energy
Consumption improves energy utilization rate.
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 heat pump system according to the present invention；
Fig. 2 is a kind of mounting structure schematic diagram of the heat pump system of Fig. 1；
Fig. 3 is the similar alternative arrangements schematic diagram of the heat pump 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 the embodiment of heat pump system of the invention, which includes compressor 10, first throttle element
20, condenser 30 and air heat energy heat exchanger 40, condenser 30 is for heating domestic water, air heat energy heat exchanger 40
For absorbing the thermal energy in air.Compressor 10, first throttle element 20, condenser 30 and air heat energy heat exchanger 40 pass through the
The connection of one refrigerant pipeline group, first throttle element 20 is for throttling to refrigerant in the first refrigerant pipeline group.Heat pump system is also
Including waste water thermal energy heat exchanger 50, waste water thermal energy heat exchanger 50 is used to absorb the thermal energy in waste water, and waste water thermal energy heat exchanger 50 is logical
It is in parallel with air heat energy heat exchanger 40 to cross the second refrigerant pipeline group, in waste water thermal energy heat exchanger 50 and air heat energy heat exchanger 40
At least one participates in absorbing thermal energy.
It applies the technical scheme of the present invention, compared to previous air energy thermal pumping system, in addition to being exchanged heat using air heat energy
Device 40 absorbs the thermal energy in air and participates in absorbing thermal energy, except allowing condenser 30 to heat domestic water, can also allow useless
Water thermal energy heat exchanger 50 absorbs the thermal energy in waste water and participates in absorbing thermal energy.Heat pump system can come according to the actual conditions of heat source
It selects at least one of waste water thermal energy heat exchanger 50 and air heat energy heat exchanger 40 to participate in absorbing thermal energy, is applicable to various fields
Use, energy saving, improve energy utilization rate.
As shown in Figure 1, domestic water water inlet is flowed through by heat exchanger tube when being heated using condenser 30 to domestic water
Condenser 30 absorbs heat, and is then discharged supply user by domestic water and uses.
For heat pump system of the invention is compared to traditional waste heat water resource heat pump product, relative in waste heat water resource heat pump
Electric heating is replaced using using air source heat pump mode in product, it is energy saving, while solving previous waste heat water source source heat pump heat
The problem of retardance.And compared to air source heat pump product, using heat pump system of the invention, in worst cold case air source heat pump
After fin frosting, using waste water thermal energy and the defrost simultaneously of domestic water heat source, hot water is stablized out, and user experience is good.
As shown in Figure 1, in the technical scheme of this embodiment, waste water thermal energy heat exchanger 50 by the second refrigerant pipeline group with
Air heat energy heat exchanger 40 is in parallel, and heat pump system further includes the second restricting element 60, and the setting of the second restricting element 60 is cold second
In matchmaker's pipeline group, for throttling to the refrigerant in the second refrigerant pipeline group.When in use, if exchanged heat by waste water thermal energy
Device 50 participates in absorbing thermal energy, then is throttled using the second restricting element 60 in the second refrigerant pipeline group to refrigerant, in order to
Refrigerant evaporation endothermic in waste water thermal energy heat exchanger 50；If participating in absorbing thermal energy by air heat energy heat exchanger 40, use
First throttle element 20 in first refrigerant pipeline group throttles to refrigerant, in order to which refrigerant is in air heat energy heat exchanger 40
Evaporation endothermic.
As embodiment not shown in the figure, can also allow waste water thermal energy heat exchanger 50 by the second refrigerant pipeline group with
Air heat energy heat exchanger 40 is connected, and equally be can achieve and is allowed in waste water thermal energy heat exchanger 50 and air heat energy heat exchanger 40 at least
One effect for participating in absorbing thermal energy.
As shown in Figure 1, in the technical scheme of this embodiment, heat pump system includes the first four-way valve 70, the first refrigerant pipe
The part refrigerant pipeline of road group is connected to by the first four-way valve 70, and the first four-way valve 70 is used to switch the portion of the first refrigerant pipeline group
Divide the refrigerant flow direction of refrigerant pipeline.Using the first four-way valve 70, the part refrigerant pipeline of the first refrigerant pipeline group can be switched
Refrigerant flow direction participates in defrost to allow refrigerant to can be reversed flowing.Heat pump system includes the second four-way valve 80, the second refrigerant pipeline group
Part refrigerant pipeline pass through the second four-way valve 80 be connected to.Specifically, as shown in Figure 1, the fin knot of air heat energy heat exchanger 40
When white, while utilizing the thermal energy defrost of waste water thermal energy and domestic water.At this point, the blower of air heat energy heat exchanger 40 does not start,
After a part of refrigerant absorbs the heat of vaporization of spent hot water in waste water thermal energy heat exchanger 50, pass through the E-S mouth of the second four-way valve 80
The gas of high temperature and pressure is compressed into compressor, after the D-C through the second four-way valve 80, the first four-way valve 70 D-E row
Out to 40 defrost of air heat energy heat exchanger；After another part refrigerant absorbs the heat of vaporization of domestic water in condenser 30, lead to
The C-S mouth for crossing the first four-way valve 70 enters compressor and is compressed into the gas of high temperature and pressure, after the D- through the second four-way valve 80
C, the D-E of the first four-way valve 70 are expelled to 40 defrost of air heat energy heat exchanger；This two parts refrigerant is in air heat energy heat exchanger 40
In converge and separately flow into waste water thermal energy heat exchanger 50 and cold again at the liquid of low-temp low-pressure through 20 reducing pressure by regulating flow of first throttle element
Condenser 30 starts a new circulation, until defrost terminates.
Specifically, when use heat pump system of the invention is when carrying out the heating of normal domestic water:
When waste water temperature meets general temperature requirement, participate in absorbing thermal energy with waste water thermal energy heat exchanger 50.At this point, air
The blower of thermal energy heat exchanger 40 does not start, and after refrigerant absorbs the heat of vaporization of spent hot water in waste water thermal energy heat exchanger 50, passes through
The E-S mouth of second four-way valve 80 enters compressor 10 and is compressed into the gas of high temperature and pressure, after the D- through the second four-way valve 80
C, the D-C of the first four-way valve 70 are expelled to condenser 30 and heat domestic water to set temperature, at this point, first throttle element 20 closes
Close, the high temperature and pressure liquid refrigerant after liquefaction again through 60 flow restriction control of the second restricting element be depressured at low-temp low-pressure liquid again
It flows into waste water thermal energy heat exchanger 50 and starts a new circulation.
When waste water temperature is lower than minimum use temperature requirement, participate in absorbing thermal energy with air heat energy heat exchanger 40.At this point,
The blower of air heat energy heat exchanger 40 starts, and after refrigerant absorbs the heat of vaporization of air in air heat energy heat exchanger 40, passes through
The E-S mouth of first four-way valve 70 enters compressor and is compressed into the gas of high temperature and pressure, after the D-C through the second four-way valve 80,
The D-C of first four-way valve 70 is expelled to condenser 30 and heats domestic water to set temperature, and the second restricting element 60 is closed at this time,
High temperature and pressure liquid refrigerant after liquefaction is depressured through 20 flow restriction control of first throttle element again to flow again at the liquid of low-temp low-pressure
Enter air heat energy heat exchanger 40 and starts a new circulation.
When waste water temperature is between minimum use temperature requirement and general temperature requirement, with the participation of waste water thermal energy heat exchanger 50
It absorbs based on thermal energy, is run supplemented by the participation absorption thermal energy of air heat energy heat exchanger 40.At this point, the wind of air heat energy heat exchanger 40
Machine starting, a part of refrigerant absorb the heat of vaporization of spent hot water in waste water thermal energy heat exchanger 50, and another part refrigerant is in air
The heat of vaporization of air is absorbed in thermal energy heat exchanger 40.
As an alternative embodiment, the second four-way valve 80 can also be not provided with, the first four-way valve 70 is only set, this
Although sample cannot utilize the defrost of waste water thermal energy, but can use domestic water thermal energy defrost.
More preferably, as shown in Figure 1, heat pump system further includes gas-liquid separator 90, the setting of gas-liquid separator 90 first
The upstream of air entry in refrigerant pipeline group and positioned at compressor 10.It can be entered using gas-liquid separator 90 to avoid liquid phase refrigerant
Into compressor 10, the compression work of compressor 10 is influenced.
It should be noted that in the inventive solutions, air heat energy heat exchanger 40 is fluorine/air heat exchanger, give up
Water thermal energy heat exchanger 50 and/or condenser 30 are fluorine/water- to-water heat exchanger.More preferably, first throttle element 20 and the second throttling
Element 60 is electric expansion valve.
As shown in Fig. 2, waste water thermal energy changes as an alternative embodiment, heat pump system further includes waste water water tank 110
The other component of hot device 50 and heat pump system is an integral structure.The waste water thermal energy heat exchanger 50 of heat pump system passes through waste line
120 are connected to waste water water tank 110.More preferably, waste heat water pump 121 is provided on waste line 120.The embodiment is fitted
For heat pump system apart from the closer situation of waste water water tank 110, the integrated height of the embodiment, easy for installation, pipe easy to repair
Reason.But unit is limited by waste water place, height and waste water water pump conveying energy consumption.In this embodiment, primary heat exchange
Heat exchange efficiency is improved, waste water thermal energy heat exchanger 50 is specially can be with anti-corrosion, (such as titanium tube heat exchanger) of cleaning easy to disassemble.And
The water collected in waste water water tank 110 is typically all to focus on, if do not handled, adds a filter before heat exchanger again
(being such as similar to husky tank).Optionally, hot water application places 130 are the places such as hotel, hotel, publilc baths, hairdressing place.
As shown in figure 3, as another optional embodiment, the relatively independent setting of waste water thermal energy heat exchanger 50 is that is, useless
The other component of water thermal energy heat exchanger 50 and heat pump system is split type structure.More preferably, it is provided on waste line 120
Waste heat water pump 121.The embodiment is suitable for since fabricating yard is limited, and heat pump system installation site is apart from waste water water tank 110
Waste water thermal energy heat exchanger 50 is mounted on waste water water tank 110 nearby to reduce water pump conveying energy consumption by farther out the case where.Large size is built
Building middle waste water water tank 110 is usually to carry out Waste Water Centralized collection in ground or underground in this embodiment not needing to give up
Waste water remote conveying in water tank 110 gives heat pump system, and only changes thermal energy exchange in waste water water tank 110 to waste water thermal energy
Hot device 50, then allow waste water thermal energy heat exchanger 50 that heat is conveyed to heat pump system by the refrigerant in refrigerant union.The embodiment party
Formula, it is flexible for installation, it can be installed with waste water place, 121 conveying energy consumption of waste heat water pump is lower, but unit connects refrigerant union 140
Connection technology requires high.Optionally, hot water application places 130 are the places such as hotel, hotel, publilc baths, hairdressing place.Optionally, in the reality
It applies in mode, waste water thermal energy heat exchanger 50 is separate modularization design.
Waste water thermal energy heat exchanger 50 is also possible to form an independent mould either be placed on integrative installation technology in complete machine
Block.
For above two embodiment, because heat pump system is generally concentrated at one layer, such as crosses heat pump system installation site and exist
Roof or the position remote apart from ground then use the split type embodiment of Fig. 3；Such as heat pump system installation site in distance
Face nearby, then uses the monoblock type embodiment of Fig. 2, easy for installation.
More preferably, the present invention also provides a kind of control methods of heat pump system, and the control method is for controlling
The heat pump system stated.Control method includes:
When waste water temperature high position first predetermined value, participate in absorbing thermal energy only with waste water thermal energy heat exchanger 50；
When waste water temperature is lower than second predetermined value, participate in absorbing thermal energy only with air heat energy heat exchanger 40；
When waste water temperature is between third predetermined value and the 4th predetermined value, using waste water thermal energy heat exchanger 50 and air
Thermal energy heat exchanger 40 simultaneously participates in absorption thermal energy.
It should be noted that first predetermined value is temperature value when waste water temperature meets general temperature requirement, second is predetermined
Temperature value when being worth to be minimum using temperature requirement.4th predetermined value can be equal to first predetermined value, might be less that first is pre-
Definite value；Third predetermined value can be equal to second predetermined value, can also be greater than second predetermined value.This is all that can be made according to actual
With demand and determination.
Using control method of the invention, the control of different operational modes may be implemented, making full use of waste water thermal energy
While, guarantee the stable water outlet of domestic water.
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 (10)
1. a kind of heat pump system, comprising:
Compressor (10)；
First throttle element (20)；
Condenser (30), for being heated to domestic water；
Air heat energy heat exchanger (40), for absorbing the thermal energy in air；
The compressor (10), the first throttle element (20), the condenser (30) and the air heat energy heat exchanger
(40) it is connected by the first refrigerant pipeline group, the first throttle element (20) is used for refrigerant in the first refrigerant pipeline group
It throttles；
It is characterized in that, the heat pump system further include:
Waste water thermal energy heat exchanger (50), for absorbing the thermal energy in waste water, the waste water thermal energy heat exchanger (50) is cold by second
Matchmaker's pipeline group and the air heat energy heat exchanger (40) in parallel or in series, the waste water thermal energy heat exchanger (50) and the air
At least one of thermal energy heat exchanger (40) participates in absorbing thermal energy.
2. heat pump system according to claim 1, which is characterized in that the waste water thermal energy heat exchanger (50) passes through described the
Two refrigerant pipeline groups are in parallel with air heat energy heat exchanger (40), the heat pump system further include:
Second restricting element (60) is arranged in the second refrigerant pipeline group, for in the second refrigerant pipeline group
Refrigerant throttles.
3. heat pump system according to claim 1, which is characterized in that the heat pump system includes the first four-way valve (70),
The part refrigerant pipeline of the first refrigerant pipeline group is connected to by first four-way valve (70), first four-way valve (70)
For switching the refrigerant flow direction of the part refrigerant pipeline of the first refrigerant pipeline group.
4. heat pump system according to claim 3, which is characterized in that the heat pump system includes the second four-way valve (80),
The part refrigerant pipeline of the second refrigerant pipeline group is connected to by second four-way valve (80).
5. heat pump system according to claim 1, which is characterized in that the heat pump system further includes gas-liquid separator
(90), the upper of the air entry in the first refrigerant pipeline group and being located at the compressor (10) is arranged in the gas-liquid separator (90)
Trip.
6. heat pump system according to claim 1, which is characterized in that the air heat energy heat exchanger (40) is fluorine/air
Heat exchanger, the waste water thermal energy heat exchanger (50) and/or the condenser (30) are fluorine/water- to-water heat exchanger.
7. heat pump system according to claim 1, which is characterized in that the heat pump system further includes waste water water tank (110),
The waste water thermal energy heat exchanger (50) is connected to by waste line (120) with the waste water water tank (110).
8. heat pump system according to claim 7, which is characterized in that the waste water thermal energy heat exchanger (50) is relatively independent to be set
It sets.
9. heat pump system according to claim 7 or 8, which is characterized in that be provided with waste heat on the waste line (120)
Water pump (121).
10. a kind of control method of heat pump system, which is characterized in that the control method is appointed for controlling in claim 1 to 9
Heat pump system described in one, control method include:
When waste water temperature high position first predetermined value, participate in absorbing thermal energy only with waste water thermal energy heat exchanger (50)；
When waste water temperature is lower than second predetermined value, participate in absorbing thermal energy only with air heat energy heat exchanger (40)；
When waste water temperature is between third predetermined value and the 4th predetermined value, using the waste water thermal energy heat exchanger (50) and institute
It states air heat energy heat exchanger (40) and simultaneously participates in absorption thermal energy.
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|---|---|---|---|
| CN201910718386.2A CN110345637A (en) | 2019-08-05 | 2019-08-05 | Heat pump system and control method for heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910718386.2A CN110345637A (en) | 2019-08-05 | 2019-08-05 | Heat pump system and control method for heat pump system |
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| CN110345637A true CN110345637A (en) | 2019-10-18 |
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Application publication date: 20191018 |