CN108759151A - A kind of cold low form Air-Cooled Heat Pump Unit of evaporation - Google Patents
A kind of cold low form Air-Cooled Heat Pump Unit of evaporation Download PDFInfo
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- CN108759151A CN108759151A CN201810587528.1A CN201810587528A CN108759151A CN 108759151 A CN108759151 A CN 108759151A CN 201810587528 A CN201810587528 A CN 201810587528A CN 108759151 A CN108759151 A CN 108759151A
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- Prior art keywords
- heat exchanger
- air
- evaporation
- cold
- pump unit
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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
- F25B39/00—Evaporators; Condensers
-
- 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
- F25B41/40—Fluid line arrangements
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- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The present invention provides a kind of cold low form Air-Cooled Heat Pump Unit of evaporation comprising low-temperature air injection enthalpy increasing compressor and the first heat exchanging part；The low-temperature air injection enthalpy increasing compressor includes two refrigerant refluxing openings, first heat exchanging part includes air cooling heat exchanger and causes air flow through the wind turbine on air cooling heat exchanger surface, further includes evaporating cold heat exchanger and the spray assemblies to evaporation cold heat exchanger surface spraying cooling water.The cold low form Air-Cooled Heat Pump Unit of the evaporation, under heating mode, refrigeration mode, it may be at air cooling heat exchanger and evaporate the collaborative work state that cold heat exchanger cooperates, there is the disengagement area of bigger, condensation area compared to existing air-cooled unit, evaporation cold group, to with higher heating efficiency, refrigerating efficiency, and two refrigerant refluxing openings are enabled under heating mode simultaneously, to also can efficiently be heated under down to -25 DEG C of outdoor environment.Also, rationally distributed, the compact overall structure of the cold low form Air-Cooled Heat Pump Unit of the evaporation.
Description
Technical field
The present invention relates to technical field of heat pumps, and in particular to a kind of cold low form Air-Cooled Heat Pump Unit of evaporation.
Background technology
Currently, air-conditioner set mainly has following three kinds of types of cooling：
Air cooling way is exchanged heat using air and refrigerant；
Water-cooling pattern, using cooling water and refrigerant, and cooling water and refrigerant are in the internal flow of condenser.
Cold mode is evaporated, exchanges heat also with cooling water and refrigerant, unlike water-cooling pattern, evaporates cold mode
It is the surface that cooling water is directly sprayed in condenser, heat is taken away using the latent heat of vaporization of water.
In these three types of cooling, under cooling in summer pattern, identical cold is obtained, using the unit for evaporating cold mode
The energy consumption of (evaporation cold group) is minimum.Normally, identical cold is obtained, evaporation cold group is compared using air cooling way
Unit (air-cooled unit) energy saving 30% or more, compared to the unit (water chiller) energy saving 15% or more using water-cooling pattern.
Wherein, water chiller is generally only designed as only freezing the single cooler group not heated.
Wherein, evaporation cold group has significant advantage in terms of refrigeration, and still, evaporation cold group is designed as can either
When the heat pump unit that refrigeration can heat again, there are following two aspects drawbacks：
On the one hand, due to being to absorb saturated steam in air with cooling water under evaporation cold group in winter heating mode
For " condensation heat " of middle release as heat source, heat exchange efficiency is very low, causes evaporation cold group energy consumption under heating mode in winter
It is higher.
On the other hand, due to the freezing point of cooling water be 0 DEG C, when environment temperature be less than 0 DEG C, cool water shower to condenser table
Face will be frozen, and to generate normal heat exchange with cooling medium, cause to evaporate cold group to be only 0 in environment temperature
DEG C or more area could normally heat, environment temperature be 0 DEG C of area below can not heat.
Wherein, air-cooled unit is not limited in terms of heating by environment temperature, and therefore, in industry, heat pump unit is usually
Air-cooled unit, but air-cooled unit energy consumption in terms of refrigeration is higher.
From above-mentioned analysis it is found that currently, air-cooled unit, water chiller and evaporation cold group in industry can not be expired together
Sufficient highly effective refrigeration, the demand for efficiently heating (especially 0 DEG C or less) had made it both in view of this, how to develop a kind of heat pump unit
Can highly effective refrigeration heating, and still be able to efficiently heat at 0 DEG C or less, be that the technology that those skilled in the art's needs solve is asked
Topic.
Invention content
In order to solve the above technical problems, the present invention provides a kind of cold low form Air-Cooled Heat Pump Unit of evaporation, including low-temp. spraying
Gas enthalpy-increasing compressor, three-position four-way valve, the first heat exchanging part, the first check valve, liquid storage device, device for drying and filtering, the first expansion valve,
Two check valves, third check valve, the second heat exchanger, the 4th check valve, gas-liquid separator, third solenoid valve, the second expansion valve, warp
Help device and fan coil；
First heat exchanging part includes air cooling heat exchanger and causes air flow through the wind turbine on the air cooling heat exchanger surface, is also wrapped
Include evaporation cold heat exchanger and the spray assemblies to the evaporation cold heat exchanger surface spraying cooling water；The low-temperature air injection enthalpy increasing pressure
A first refrigerant refluxing opening, a second refrigerant refluxing opening and a refrigerant outflow port is arranged in contracting machine；Institute
It includes interconnected A mouths and B mouthful and interconnected C mouths and D mouthfuls to state economizer；Second heat exchanger is provided with cycle
Water import and export；
Wherein, the refrigerant outflow port is cold by the three-position four-way valve and the air cooling heat exchanger and the evaporation
Heat exchanger is connected；The air cooling heat exchanger and the evaporation cold heat exchanger pass through first check valve and the liquid storage device phase
Even；The liquid storage device is connected with the device for drying and filtering；The device for drying and filtering is connected with described D mouthfuls, also passes through the third
Solenoid valve and second expansion valve are connected with described A mouthfuls；Described B mouthfuls is connected with the second refrigerant refluxing opening；The C
Mouth is connected with first expansion valve；First expansion valve is connected by second check valve with second heat exchanger；
Second heat exchanger is connected by the three-position four-way valve with the gas-liquid separator, and its recirculated water import and export with it is described
Fan coil is connected；The gas-liquid separator is connected with the first refrigerant refluxing opening；Second heat exchanger also passes through
4th check valve is connected with the liquid storage device；First expansion valve also air-cooled is changed by the third check valve with described
Hot device is connected with the evaporation cold heat exchanger.
When the cold low form Air-Cooled Heat Pump Unit of evaporation is in winter heating's pattern, only air cooling heat exchanger can be at
It works and evaporates the air-cooled working condition of the idle independence of cold heat exchanger or air cooling heat exchanger and evaporation cold heat exchanger collaboration work
The collaborative work state of work (spray assemblies stop spray).Cold working condition is independently being evaporated, there is no cooling waters to freeze and nothing
The problem of legal system heat, therefore can also be heated at 0 DEG C or less.Collaborative work state (spray assemblies stop spray), refrigeration is situated between
It after matter is introduced into air cooling heat exchanger tentatively heating, enters back into evaporation cold heat exchanger and heats up again, thus compare existing Air cooler
Group and evaporation cold group have bigger disengagement area and higher heating efficiency, nor freeze there are cooling water and can not
The problem of heating, at 0 DEG C or less to also can efficiently heat.Also, by setting low-temperature air injection enthalpy increasing compressor and accordingly
Connecting pipeline makes the cold low form Air-Cooled Heat Pump Unit of the evaporation still be able to keep efficiently making under down to -25 DEG C of outdoor environment
Heat.
Also, when the cold low form Air-Cooled Heat Pump Unit of evaporation is in cooling in summer pattern, it can be at and only evaporate
Cold heat exchanger works and the air cooling heat exchanger cold working condition of idle independently evaporation or air cooling heat exchanger and the cold heat exchange of evaporation
The collaborative work state that device cooperates (spray assemblies start spray).Cold working condition is independently being evaporated, is being the vapour using water
Changing evaporation makes cooling medium cooling condensation, thus has higher refrigerating efficiency compared to existing air-cooled unit；In collaboration work
Make state to enter back into air cooling heat exchanger after refrigerant is introduced into the tentatively cooling of evaporation cold heat exchanger and again cool down, thus compares
Existing air-cooled unit and evaporation cold group have the condensation area of bigger and higher refrigerating efficiency.
Optionally, the air cooling heat exchanger and the evaporation cold heat exchanger are arranged in parallel；And where the air cooling heat exchanger
Branch road be provided with the first solenoid valve, the branch road where the evaporation cold heat exchanger is provided with second solenoid valve.
Optionally, the air cooling heat exchanger and the evaporation cold heat exchanger are arranged in series；And the air cooling heat exchanger and institute
It states and is provided with the first solenoid valve between evaporation cold heat exchanger, the air cooling heat exchanger and first solenoid valve are parallel to the jointly
Two solenoid valves.
Optionally, the air cooling heat exchanger is finned heat exchanger, and the evaporation cold heat exchanger is band-tube type heat exchanger.
Optionally, the spray assemblies include spray water tank, feeding spraying pump, the spray pipeline section for being provided with nozzle and connection
The feeding spraying pump is connected to pipeline section with the spray pipeline section.
Optionally, the cold low form Air-Cooled Heat Pump Unit of evaporation further includes two partition boards of outdoor unit case and position in the inner
And bottom plate, roof, antetheca and the rear wall of two partition boards, the bottom plate and the outdoor unit case enclose the first receiving jointly
Chamber；The air cooling heat exchanger and the evaporation cold heat exchanger are respectively positioned in first accommodating chamber, and the air cooling heat exchanger position
In the top of the evaporation cold heat exchanger；The top of the antetheca and the rear wall is both provided with air inlet, two partition boards
Lower part is both provided with air outlet.
Optionally, the spray pipeline section is also disposed in first accommodating chamber, and its be located at the air cooling heat exchanger and
Between the evaporation cold heat exchanger；The cold low form Air-Cooled Heat Pump Unit of evaporation further includes air filter, the air mistake
Filter is also disposed in first accommodating chamber, and it is located between the air cooling heat exchanger and the spray pipeline section.
Optionally, the outdoor unit case includes the backplate and flase floor of frame and setting on said frame, also, logical
It crosses the flase floor and forms the air inlet.
Optionally, it is both provided with air duct on the right side of the left side of a partition board and another partition board；Two air ducts are logical
The air outlet for crossing respective side is connected to first accommodating chamber；The outlet in two air ducts is both formed in the outdoor unit cover
The roof of shell, and the outlet port in two air ducts is both provided with the wind turbine.
Optionally, the water collection device for collecting the moisture in air is both provided in two air ducts, the water collection device is received
The water of collection is fallen after rise to the spray water tank.
Description of the drawings
Fig. 1 shows for the overall flow of the first specific embodiment of the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention
It is intended to；
Fig. 2 is that the overall flow of cold second of specific embodiment of low form Air-Cooled Heat Pump Unit of evaporation provided by the invention is shown
It is intended to；
Fig. 3 is the workflow schematic diagram under the first specific embodiment in winter heating mode；
Fig. 4 is workflow schematic diagram of the first specific embodiment under cooling in summer pattern；
Fig. 5 is the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention, the partial sectional view under main view visual angle；
Fig. 6 is the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention, the full sectional view under main view visual angle；
Fig. 7 is the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention, along Fig. 5 A-A to sectional view
Fig. 8 is the vertical view of the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention.
The reference numerals are as follows in Fig. 1 to Fig. 8：
1 low-temperature air injection enthalpy increasing compressor, E the first refrigerant refluxing openings, F the second refrigerant refluxing openings, G refrigerants
Outflow port, 3 three-position four-way valves, 4 first heat exchanging part, 41 air cooling heat exchangers, 42 evaporation cold heat exchangers, 43 wind turbines, 44 spray water tanks,
45 feeding spraying pumps, 46 connection pipeline sections, 47 spray pipeline sections, 48 first solenoid valves, 49 second solenoid valves, 5 first check valves, 6 liquid storages
Device, 7 devices for drying and filtering, 8 first expansion valves, 9 second check valves, 10 third check valves, 11 second heat exchangers, 12 the 4th is unidirectional
Valve, 13 gas-liquid separators, 14 third solenoid valves, 15 second expansion valves, 16 economizers, 17 fan coils, 18 water collection devices, outside Room 19
Hood shell, 191 frames, 192 backplates, 193 flase floors, 20 partition boards, 201 air outlets, 21 bottom plates, the first accommodating chambers of a, the air ducts b, 22
Air filter.
Specific implementation mode
In order that those skilled in the art will better understand the technical solution of the present invention, below in conjunction with the accompanying drawings and it is specific real
Applying mode, the present invention is described in further detail.
It please refers to Fig.1 to Fig. 4, the first is specific real for the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention by Fig. 1
Apply the overall flow schematic diagram of example；Fig. 2 is evaporation provided by the invention second of specific implementation of cold low form Air-Cooled Heat Pump Unit
The overall flow schematic diagram of example；Fig. 3 is the workflow schematic diagram under the first specific embodiment in winter heating mode；Fig. 4
For workflow schematic diagram of the first specific embodiment under cooling in summer pattern.
As shown in Figs 1-4, the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention includes the first heat exchanging part 4, this
One heat exchanging part 4 includes air cooling heat exchanger 41 and evaporation cold heat exchanger 42, evaporates the refrigerant of cold low form Air-Cooled Heat Pump Unit
In the internal flow of air cooling heat exchanger 41 and evaporation cold heat exchanger 42.
First heat exchanging part 4 further include cause air flow through 41 surface of air cooling heat exchanger wind turbine 43 and to evaporation cold heat exchanger
The spray assemblies of 42 surface spraying cooling waters.
Be specifically described below air cooling heat exchanger 41 and evaporate cold heat exchanger 42 connection type and each connection type under evaporate
The cold achievable working condition of low form Air-Cooled Heat Pump Unit：
Specifically, as shown in Figure 1, in the first specific embodiment, air cooling heat exchanger 41 and evaporation cold heat exchanger 42 are
In parallel, and the branch road where air cooling heat exchanger 41 is provided with the first solenoid valve 48, the branch where evaporation cold heat exchanger 42
Road is provided with second solenoid valve 49.
The cold low form Air-Cooled Heat Pump Unit of evaporation in the specific embodiment can realize following two working conditions：
One is independent air-cooled working conditions.In this operating condition, the first solenoid valve 48 is opened, second solenoid valve 49
It closes, wind turbine 43 starts, and spray assemblies stop spray.At this moment, refrigerant flows through the inside of air cooling heat exchanger 41, and flows through wind
The air heat-exchange on 41 surface of cold heat exchanger, and and be not passed through evaporation cold heat exchanger 42 inside.At this point, air cooling heat exchanger 41 is in
Working condition, evaporation cold heat exchanger 42 are in off working state.
Another kind is the independent cold working condition of evaporation.In this operating condition, the first solenoid valve 48 is closed, the second electromagnetism
Valve 49 is opened, and wind turbine 43 starts, and spray assemblies start spray.At this moment, refrigerant flows through the inside of evaporation cold heat exchanger 42, with
Be sprayed to the cooling water heat exchange on evaporation cold heat exchanger 42 surface, and and be not passed through the inside of air cooling heat exchanger 41.At this point, evaporation is cold
Heat exchanger 42 is in evaporation water cooling working condition, and air cooling heat exchanger 41 is in off working state.
Specifically, as shown in Fig. 2, in second of specific embodiment, air cooling heat exchanger 41 and evaporation cold heat exchanger 42 are
It is concatenated, also, it is provided with the first solenoid valve 48 ', air cooling heat exchanger 41 between air cooling heat exchanger 41 and evaporation cold heat exchanger 42
It is parallel to second solenoid valve 49 ' jointly with the first solenoid valve 48 '.
The cold low form Air-Cooled Heat Pump Unit of evaporation in the specific embodiment can realize following two working conditions：
Cold working condition is evaporated one is independent.In this operating condition, the first solenoid valve 48 ' is closed, the second electromagnetism
Valve 49 ' is opened, and wind turbine 43 starts, and spray assemblies start spray.At this moment, refrigerant flows through the inside of evaporation cold heat exchanger 42,
Exchange heat with the cooling water for being sprayed to evaporation cold heat exchanger 42 surface, and and be not passed through the inside of air cooling heat exchanger 41.At this point, evaporation
Cold heat exchanger 42 is in evaporation water cooling working condition, and air cooling heat exchanger 41 is in off working state.
Another kind is collaborative work state.In this operating condition, the first solenoid valve 48 ' is opened, second solenoid valve 49 '
It closes, wind turbine 43 starts, on this basis：
If in cooling mode, making spray assemblies start spray, at this point, refrigerant had both flowed through air cooling heat exchanger 41
Inside, and the air heat-exchange for flowing through 41 surface of air cooling heat exchanger also flows through the inside of evaporation cold heat exchanger 42, and flows through evaporation
The cooling water on 42 surface of cold heat exchanger exchanges heat, at this point, air cooling heat exchanger 41 is in running order, evaporation cold heat exchanger 42 is in and steams
Flood cold working condition.
If in a heating mode, making spray assemblies stop spray, at this point, refrigerant had both flowed through air cooling heat exchanger 41
Inside, and the air heat-exchange for flowing through 41 surface of air cooling heat exchanger also flows through the inside of evaporation cold heat exchanger 42, and flows through evaporation
The air heat-exchange on 42 surface of cold heat exchanger, at this point, air cooling heat exchanger 41 is in running order, evaporation cold heat exchanger 42 is in air-cooled
Working condition.
The cold low form Air-Cooled Heat Pump Unit of the evaporation is specifically described below under cooling in summer pattern and winter heating's pattern
It is lower which kind of working condition be at respectively：
When the cold low form Air-Cooled Heat Pump Unit of evaporation is in winter heating's pattern, only air cooling heat exchanger can be at
It works and evaporates the air-cooled working condition of the idle independence of cold heat exchanger or air cooling heat exchanger and evaporation cold heat exchanger collaboration work
The collaborative work state of work (spray assemblies stop spray).Generally speaking, cold low form Air-Cooled Heat Pump Unit is evaporated to make in winter
It is with air cooling heat exchanger 41 for main heat exchanger under heat pattern, to evaporate cold heat exchanger 42 for supplementary heat exchanger.
Cold working condition is independently being evaporated, the problem of freezing there is no cooling water and can not heat, therefore at 0 DEG C or less
It can heat.Collaborative work state (spray assemblies stop spray), after refrigerant is introduced into air cooling heat exchanger tentatively heating,
It enters back into evaporation cold heat exchanger to heat up again, thus compared to existing air-cooled unit and evaporates evaporating surface of the cold group with bigger
Product and higher heating efficiency, nor there are problems that cooling water freezes and can not heat also can at 0 DEG C or less
Efficiently heating.
When the cold low form Air-Cooled Heat Pump Unit of evaporation is in cooling in summer pattern, it can be at and only evaporate cold heat exchange
Device works and the air cooling heat exchanger cold working condition of idle independently evaporation or air cooling heat exchanger and evaporation cold heat exchanger collaboration
The collaborative work state of work (spray assemblies start spray).Generally speaking, cold low form Air-Cooled Heat Pump Unit is evaporated in summer
Under refrigeration mode, it is to evaporate cold heat exchanger 42 for main heat exchanger, is supplementary heat exchanger with air cooling heat exchanger 41.
Cold working condition is independently being evaporated, is being to make cooling medium cooling condensation using the vaporization of water, thus compare
Existing air-cooled unit has higher refrigerating efficiency；Collaborative work state (spray assemblies start spray), refrigerant is first
It into after the tentatively cooling of evaporation cold heat exchanger, enters back into air cooling heat exchanger and cools down again, thus compare existing air-cooled unit and steaming
The unit that feels cold has the condensation area of bigger and higher refrigerating efficiency.
The component composition for evaporating cold low form Air-Cooled Heat Pump Unit, connection relation is specifically described below and in refrigerated medium hot-die
Workflow under formula：
As shown in Figs 1-4, above-mentioned first heat exchanging part 4, spray assemblies include spray water tank 44, feeding spraying pump 45, spray
Pipeline section 47 and the connection feeding spraying pump 45 are connected to pipeline section 46, ball-cock assembly, overflow port etc. with the spray pipeline section 47.Specifically
, air cooling heat exchanger 41 can be finned heat exchanger；It can be less scaling plate pipe (plate) formula to evaporate cold heat exchanger 42
Heat exchanger.
As shown in Figs 1-4, cold low form Air-Cooled Heat Pump Unit is evaporated in addition to including the first heat exchanging part 4, further includes low-temp. spraying
Gas enthalpy-increasing compressor 1, three-position four-way valve 3, the first check valve 5, liquid storage device 6, device for drying and filtering 7, the first expansion valve 8, second are single
It is swollen to valve 9, third check valve 10, the second heat exchanger 11, the 4th check valve 12, gas-liquid separator 13, third solenoid valve 14, second
Swollen valve 15, economizer 16, positioned at the fan coil 17 of indoor and other be located at indoor component (including indoor control
Component etc.).
Above-mentioned each component is configured so that and connects：
A first refrigerant refluxing opening E, a second refrigerant refluxing opening is arranged in low-temperature air injection enthalpy increasing compressor 1
F and refrigerant outflow port G；Economizer 16 includes interconnected A mouths and B mouthful and the C mouths being interconnected and D mouthfuls；
Second heat exchanger (11) is provided with circulating water intake and circulating water outlet.
Wherein, refrigerant outflow port G passes through three-position four-way valve 3 and air cooling heat exchanger 41 and evaporation 42 phase of cold heat exchanger
Even；Air cooling heat exchanger 41 and evaporation cold heat exchanger 42 are connected by the first check valve 5 with liquid storage device 6；Liquid storage device 6 and dry filter
Device 7 is connected；Device for drying and filtering 7 is connected with D mouthfuls, is also connected with A mouthfuls by third solenoid valve 14 and the second expansion valve 15；B mouthfuls with
Second refrigerant refluxing opening F is connected；C mouthfuls are connected with the first expansion valve 8；First expansion valve 8 passes through the second check valve 9 and second
Heat exchanger 11 is connected；Second heat exchanger 11 is connected by three-position four-way valve 3 with gas-liquid separator 13, and its recirculated water import and export
It is connected with fan coil 17；Gas-liquid separator 13 is connected with the first refrigerant refluxing opening E；Second heat exchanger 11 also passes through the 4th
Check valve 12 is connected with liquid storage device 6；First expansion valve 8 also passes through third check valve 10 and air cooling heat exchanger 41 and the cold heat exchange of evaporation
Device 42 is connected.
As shown in figure 3, cold low form Air-Cooled Heat Pump Unit is evaporated in winter under heating mode, if environment temperature is relatively low,
Third solenoid valve 14 is opened, at this point, the flow path of refrigerant is as shown in the arrow line in Fig. 3：Low-temperature air injection enthalpy increasing compresses
The 11 → the 4th 12 → liquid storage device of check valve, the 6 → drying of the refrigerant outflow port G of machine 1 → 3 → the second heat exchanger of three-position four-way valve
Filter 7, is divided into two-way later.
The first via is：The B mouths of A mouths → economizer 16 of 14 → the second 15 → economizer of expansion valve 16 of third solenoid valve → low
Second refrigerant refluxing opening F of warm air injection enthalpy-increasing compressor 1.Second tunnel is：The C mouths of D mouths → economizer 16 of economizer 16
→ the first 10 → air cooling heat exchanger of expansion valve 8 → third check valve 41 and/or evaporation cold heat exchanger 42 → three-position four-way valve, 3 → gas
First refrigerant refluxing opening E of 13 → low-temperature air injection enthalpy increasing of liquid/gas separator compressor 1.By making the refrigerant in two-way exist
It is back in low-temperature air injection enthalpy increasing compressor 1 and is compressed after mutually exchanging heat in economizer 16.So set, heat pump machine can be made
Group still can be heated efficiently under down to -25 DEG C of outdoor environment.
As shown in figure 4, evaporating cold low form Air-Cooled Heat Pump Unit under cooling in summer pattern, third solenoid valve can be closed
14, at this time in the flow path of refrigerant such as Fig. 4 shown in arrow line：The refrigerant of low-temperature air injection enthalpy increasing compressor 1 goes out stream
42 → the first 5 → liquid storage device of check valve, the 6 → drying of mouth G → 3 → air cooling heat exchanger of three-position four-way valve 41 and/or evaporation cold heat exchanger
The C mouths of D mouths → economizer 16 of 7 → economizer of filter 16 → 8 → the second check valve of the first expansion valve, 9 → the second heat exchanger 11
First refrigerant refluxing opening E of → three-position four-way valve 3 → gas-liquid separator, 13 → low-temperature air injection enthalpy increasing compressor 1.Certainly, the summer
Under season refrigeration mode, third solenoid valve 14 can not be also closed.
Also, recirculated water is flowed in the second heat exchanger 11, recirculated water mutually exchanges heat with refrigerant, later recirculated water
Fan coil 17 is flowed into from the second heat exchanger 11, and is mutually exchanged heat with the air for flowing through fan coil 17, recirculated water returns later
It flow in the second heat exchanger 11.
In addition to above-mentioned component, it further includes electric-controlled parts to evaporate cold low form Air-Cooled Heat Pump Unit, specifically includes pressure sensing
Device, temperature sensor, pressure switch, temperature switch, electric wire, cable, electronic-control box and relay in electronic-control box,
Contactor, PLC micro computer plates etc..
The position for evaporating cold each component of low form Air-Cooled Heat Pump Unit is specifically described below, please refers to Fig. 5-Fig. 8, schemes
5 is the cold low form Air-Cooled Heat Pump Units of evaporation provided by the invention, the partial sectional view under main view visual angle；Fig. 6 is the present invention
The cold low form Air-Cooled Heat Pump Unit of evaporation of offer, the full sectional view under main view visual angle；Fig. 7 is that evaporation provided by the invention is cold
Low form Air-Cooled Heat Pump Unit, along Fig. 5 A-A to sectional view；Fig. 8 is the cold low form air-cooled heat pump of evaporation provided by the invention
The vertical view of unit.
As viewed in figures 5-8, it further includes outdoor unit case 19 to evaporate cold low form Air-Cooled Heat Pump Unit, in outdoor unit case 19
It is provided with two partition boards 20 and bottom plate 21, two partition boards 20, bottom plate 21 and the roof, antetheca and rear wall of outdoor unit case 19 enclose jointly
At the first accommodating chamber a.
Also, above-mentioned air cooling heat exchanger 41 and above-mentioned evaporation cold heat exchanger 42 are respectively positioned in first accommodating chamber a.Also,
Air cooling heat exchanger 41 is located at the top of evaporation cold heat exchanger 42；Also, the antetheca of the first accommodating chamber a and the top of rear wall are respectively provided with
There are air inlet, the left side wall of the first accommodating chamber a and the lower part of right side wall to be respectively provided with air outlet 201.
Specifically, as shown in figure 5, outdoor unit case 19 includes frame 191 and 192 He of backplate being arranged on frame 191
Flase floor 193 forms above-mentioned air inlet by flase floor 193.
Specifically, as shown in fig. 7, air cooling heat exchanger 41 could be provided as V-type finned heat exchanger.And the two sides of V-type
Towards air inlet, and the bottom surface of V-type is downward, pinnacle is upward, whole in reverse V-shaped.
Specifically, above-mentioned spray pipeline section 47 is also disposed in the first accommodating chamber a, and it is located at air cooling heat exchanger 41 and evaporation
Between cold heat exchanger 42.Also, the cold low form Air-Cooled Heat Pump Unit of evaporation further includes air filter 22, for filtering out air
In impurity, which is also disposed in the first accommodating chamber a, and it is located at air cooling heat exchanger 41 and spray pipeline section 47
Between.
Further, as shown in fig. 6, the right side of the partition board 20 of the left and right side of the partition board 20 in left side is respectively arranged with one
Air duct b, that is to say, that the first accommodating chamber a left and right sides are respectively arranged with an air duct b.Also, the air duct b in left side passes through a left side
The air outlet 201 of side is connected to the first accommodating chamber a, and the air duct b on right side is connected by the air outlet 201 and the first accommodating chamber a on right side
It is logical.Also, it as shown in figure 8, the outlet of two air duct b is both formed on the roof of outdoor unit case 19, is respectively provided in two air duct b
There is wind turbine 43, and wind turbine 43 is respectively positioned on the position close to the outlet of air duct b.
Specifically, being also both provided with the water collection device 18 for collecting the moisture in air in two air duct b, water collection device 18 is collected
Water fall after rise to spray water tank 44, with reduce cooling water scatter and disappear.
More specifically, spray water tank 44 is arranged in the lower section of the first accommodating chamber a and air duct b, as shown in fig. 6, spray water tank
When the position of 44 setting sides to the left, 21 right side of bottom plate is acclivitous.The water that the water collection device 18 in left side is collected at this time can be straight
It connects and falls into spray water tank 44, the water that the water collection device 18 on right side is collected can be directed by bottom plate 21 in spray water tank 44.And
And feeding spraying pump 45 is directly arranged in spray water tank 44, in order to save space.
Specifically, other outdoor parts for evaporating cold low form Air-Cooled Heat Pump Unit be also arranged at the first accommodating chamber a and
The lower section of air duct b, as shown in fig. 6, being respectively provided with the position of side to the right.
As above when setting, in the flow path such as Fig. 5 and Fig. 6 of air shown in arrow line, under the effect of wind turbine 43, air is certainly
After flase floor 193 enters the first accommodating chamber a, the surface for the air cooling heat exchanger 41 being located above first is flowed through, passes through and evaporates cold change
The surface of hot device 42 flows to the air duct b of respective side from both sides air outlet 201, and is discharged from the outlet of air duct b respectively later.When
When evaporating cold low form Air-Cooled Heat Pump Unit and being in collaborative work state, into the first accommodating chamber a air can first with flow through wind
Refrigerant inside cold heat exchanger 41 is once exchanged heat, then again with flow through evaporation cold heat exchanger 42 inside refrigerant
Carry out secondary heat exchange
In summary, the cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention, has the following technical effect that：
1, can either highly effective refrigeration, also can efficiently heat.
2, it can efficiently be heated under -25 DEG C -0 DEG C of environment temperature, to wide
Application region (also can be used in the Northeast of China), convenient for promote.
3, each component layouts are reasonable, compact overall structure, evaporate cold low form wind convenient for saving
The construction cost of cold and hot pump assembly arrangement space.
The cold low form Air-Cooled Heat Pump Unit of evaporation provided by the invention is described in detail above.It is used herein
Principle and implementation of the present invention are described for specific case, and the explanation of above example is only intended to help to understand this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into power of the present invention
In the protection domain that profit requires.
Claims (10)
1. a kind of cold low form Air-Cooled Heat Pump Unit of evaporation, which is characterized in that including low-temperature air injection enthalpy increasing compressor (1), three
Four-way valve (3), the first heat exchanging part (4), the first check valve (5), liquid storage device (6), device for drying and filtering (7), the first expansion valve (8),
Second check valve (9), third check valve (10), the second heat exchanger (11), the 4th check valve (12), gas-liquid separator (13),
Three solenoid valves (14), the second expansion valve (15), economizer (16) and fan coil (17)；
First heat exchanging part (4) includes air cooling heat exchanger (41) and causes air flow through the wind on the air cooling heat exchanger (41) surface
Machine (43) further includes evaporating cold heat exchanger (42) and the spray group to described evaporation cold heat exchanger (42) surface spraying cooling water
Part；A first refrigerant refluxing opening (E) is arranged in the low-temperature air injection enthalpy increasing compressor (1), second refrigerant returns
Head piece (F) and a refrigerant outflow port (G)；The economizer (16) includes interconnected A mouths and B mouthfuls and mutually interconnect
Logical C mouths and D mouthfuls；Second heat exchanger (11) is provided with recirculated water import and export；
Wherein, the refrigerant outflow port (G) passes through the three-position four-way valve (3) and the air cooling heat exchanger (41) and described
Cold heat exchanger (42) is evaporated to be connected；The air cooling heat exchanger (41) and the evaporation cold heat exchanger (42) are unidirectional by described first
Valve (5) is connected with the liquid storage device (6)；The liquid storage device (6) is connected with the device for drying and filtering (7)；The device for drying and filtering
(7) it is connected with described D mouthfuls, is also connected with described A mouthfuls by the third solenoid valve (14) and second expansion valve (15)；Institute
B mouthfuls are stated with the second refrigerant refluxing opening (F) to be connected；Described C mouthfuls is connected with first expansion valve (8)；Described first
Expansion valve (8) is connected by second check valve (9) with second heat exchanger (11)；Second heat exchanger (11) passes through
The three-position four-way valve (3) is connected with the gas-liquid separator (13), and its recirculated water import and export and the fan coil (17)
It is connected；The gas-liquid separator (13) is connected with the first refrigerant refluxing opening (E)；Second heat exchanger (11) is also logical
The 4th check valve (12) is crossed with the liquid storage device (6) to be connected；First expansion valve (8) also passes through the third check valve
(10) it is connected with the air cooling heat exchanger (41) and the evaporation cold heat exchanger (42).
2. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 1, which is characterized in that the air cooling heat exchanger
(41) it is arranged in parallel with the evaporation cold heat exchanger (42)；And the branch road where the air cooling heat exchanger (41) is provided with first
Solenoid valve (48), the branch road where the evaporation cold heat exchanger (42) are provided with second solenoid valve (49).
3. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 1, which is characterized in that the air cooling heat exchanger
(41) it is arranged in series with the evaporation cold heat exchanger (42)；And the air cooling heat exchanger (41) and the evaporation cold heat exchanger (42)
Between be provided with the first solenoid valve (48 '), the air cooling heat exchanger (41) and first solenoid valve (48 ') are parallel to jointly
Two solenoid valves (49 ').
4. evaporating cold low form Air-Cooled Heat Pump Unit according to claim 1-3 any one of them, which is characterized in that described air-cooled
Heat exchanger (41) is finned heat exchanger, and the evaporation cold heat exchanger (42) is band-tube type heat exchanger.
5. evaporating cold low form Air-Cooled Heat Pump Unit according to claim 1-3 any one of them, which is characterized in that the spray
Component includes spray water tank (44), feeding spraying pump (45), the spray pipeline section (47) for being provided with nozzle and the connection shower water
Pump (45) is connected to pipeline section (46) with the spray pipeline section (47).
6. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 5, which is characterized in that the cold low form of evaporation
Air-Cooled Heat Pump Unit further includes outdoor unit case (19) and position two partition boards (20) in the inner and bottom plate (21), two partition boards
(20), roof, antetheca and the rear wall of the bottom plate (21) and the outdoor unit case (11) enclose the first accommodating chamber jointly
(a)；The air cooling heat exchanger (41) and the evaporation cold heat exchanger (42) are respectively positioned in first accommodating chamber (a), and described
Air cooling heat exchanger (41) is located at the top of the evaporation cold heat exchanger (42)；The top of the antetheca and the rear wall is both provided with
The lower part of air inlet, two partition boards is both provided with air outlet (201).
7. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 6, which is characterized in that the spray pipeline section (47)
It is also disposed in first accommodating chamber (a), and it is located at the air cooling heat exchanger (41) and the evaporation cold heat exchanger (42)
Between；The cold low form Air-Cooled Heat Pump Unit of evaporation further includes air filter (22), and the air filter (22) also sets
It sets in first accommodating chamber (a), and it is located between the air cooling heat exchanger (41) and the spray pipeline section (47).
8. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 6, which is characterized in that the outdoor unit case
(19) backplate (192) and flase floor (193) for including frame (191) and being arranged on the frame (191), also, pass through institute
It states flase floor (193) and forms the air inlet.
9. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 6, which is characterized in that a partition board (20)
It is both provided with air duct (b) on the right side of left side and another partition board (20)；The outlet air that two air ducts (b) pass through respective side
Mouth (201) is connected to first accommodating chamber (a)；The outlet of two air ducts (b) is both formed in the outdoor unit case (19)
Roof, and the outlet port of two air ducts (b) is both provided with the wind turbine (43).
10. the cold low form Air-Cooled Heat Pump Unit of evaporation according to claim 9, which is characterized in that in two air ducts (b)
It is both provided with the water collection device (18) for collecting the moisture in air, the water that the water collection device (18) is collected is fallen after rise to the spray
Water tank (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587528.1A CN108759151B (en) | 2018-06-08 | 2018-06-08 | Evaporation cooling low temperature type air-cooled heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587528.1A CN108759151B (en) | 2018-06-08 | 2018-06-08 | Evaporation cooling low temperature type air-cooled heat pump unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108759151A true CN108759151A (en) | 2018-11-06 |
| CN108759151B CN108759151B (en) | 2021-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587528.1A Active CN108759151B (en) | 2018-06-08 | 2018-06-08 | Evaporation cooling low temperature type air-cooled heat pump unit |
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| Country | Link |
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| CN (1) | CN108759151B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256383A (en) * | 2018-11-30 | 2020-06-09 | 深圳麦克维尔空调有限公司 | Composite heat exchanger and heat exchange system with same |
| CN112797661A (en) * | 2021-01-05 | 2021-05-14 | 青岛海尔空调电子有限公司 | Outdoor unit of heat pump unit, heat pump unit and air supply method of heat pump unit |
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| CN101929715A (en) * | 2009-06-18 | 2010-12-29 | 西安井上人工环境有限公司 | Effective energy-saving air-conditioning unit |
| CN203657257U (en) * | 2013-12-06 | 2014-06-18 | 南京恒标斯瑞冷冻机械制造有限公司 | Evaporative cooling type water chilling unit |
| CN206310646U (en) * | 2016-11-21 | 2017-07-07 | 深圳市立冰节能科技有限公司 | A kind of pair of low-temperature receiver condenses straight-expansion type air conditioner unit |
| CN107965944A (en) * | 2017-12-22 | 2018-04-27 | 瀚润联合高科技发展（北京）有限公司 | A kind of heat pump unit |
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2018
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929715A (en) * | 2009-06-18 | 2010-12-29 | 西安井上人工环境有限公司 | Effective energy-saving air-conditioning unit |
| CN203657257U (en) * | 2013-12-06 | 2014-06-18 | 南京恒标斯瑞冷冻机械制造有限公司 | Evaporative cooling type water chilling unit |
| CN206310646U (en) * | 2016-11-21 | 2017-07-07 | 深圳市立冰节能科技有限公司 | A kind of pair of low-temperature receiver condenses straight-expansion type air conditioner unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256383A (en) * | 2018-11-30 | 2020-06-09 | 深圳麦克维尔空调有限公司 | Composite heat exchanger and heat exchange system with same |
| CN111256383B (en) * | 2018-11-30 | 2021-11-05 | 深圳麦克维尔空调有限公司 | Composite heat exchanger and heat exchange system with same |
| CN112797661A (en) * | 2021-01-05 | 2021-05-14 | 青岛海尔空调电子有限公司 | Outdoor unit of heat pump unit, heat pump unit and air supply method of heat pump unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108759151B (en) | 2021-01-15 |
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