CN108387033A - A kind of net for air-source heat pump units of continuous heat supply - Google Patents
A kind of net for air-source heat pump units of continuous heat supply Download PDFInfo
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- CN108387033A CN108387033A CN201810298939.9A CN201810298939A CN108387033A CN 108387033 A CN108387033 A CN 108387033A CN 201810298939 A CN201810298939 A CN 201810298939A CN 108387033 A CN108387033 A CN 108387033A
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- defrosting
- air
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- fluoro
- heat exchanger
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- 238000010257 thawing Methods 0.000 claims abstract description 162
- 230000007246 mechanism Effects 0.000 claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000006835 compression Effects 0.000 claims abstract description 50
- 238000007906 compression Methods 0.000 claims abstract description 50
- 238000010438 heat treatment Methods 0.000 claims description 78
- 238000005057 refrigeration Methods 0.000 claims description 69
- 230000002457 bidirectional effect Effects 0.000 claims description 35
- 239000007788 liquid Substances 0.000 claims description 35
- 238000010079 rubber tapping Methods 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 230000001502 supplementing effect Effects 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 229910052731 fluorine Inorganic materials 0.000 abstract 1
- 239000011737 fluorine Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
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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
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
-
- 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
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- 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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
Abstract
The present invention relates to a kind of net for air-source heat pump units of continuous heat supply, including compressor unit, indoor water heat exchange unit, quasi- two-stage compression unit, outdoor air heat exchange unit and defrosting branching unit, the integrated technology scheme being combined with principle of time-space using quasi- two-stage compression, on the one hand gas supplementing opening is added to compressor, intermediate plate heat exchanger is added in systems, is recycled with constituting quasi- secondary compression heat pump；On the other hand by air source heat pump outdoor air heat exchanger be set as at least two can independently operated branch take heat and defrosting system, defrosting operation is carried out to the fluorine air heat-exchange mechanism of each branch with moving in turn one by one, to realize move in turn accurate defrosting and continuous heat supply.
Description
Technical field
The present invention relates to a kind of net for air-source heat pump units, more particularly to a kind of net for air-source heat pump units of continuous heat supply.
Background technology
Air source heat pump be it is a kind of making the energy saver that heat flows to from low level heat energy air high-order heat source using high potential,
It is a kind of form of heat pump.Air source heat pump is applied widely, can run throughout the year, is guarded without special messenger, fortune
Row is at low cost, and energy-efficient effect is very prominent, belongs to the product of environment-friendly type.Its not discharge of pollutant in the process of running,
Human body will not be damaged simultaneously, possess good social benefit, therefore in China's regional heating cold in winter and hot in summer, refrigeration
It is widely used.
But in north cold area (Huaihe River north domain), as outdoor temperature reduces, the application generation of air source heat pump is many
Problem：The problems such as suction pressure of compressor is lower, and compression ratio becomes larger, and delivery temperature is got higher, and heating capacity and efficiency are greatly reduced,
These problems seriously affect the operational reliability and heating system stability of heat pump unit.
Meanwhile when net for air-source heat pump units winter operation, when outdoor air heat exchanger surface temperature is less than surrounding air
Dew-point temperature and less than 0 DEG C when, heat exchanger surface will frosting.Frost is formed such that heat exchanger heat transfer effect deteriorates, and increases
Air flow resistance is added so that the heat capacity of unit reduces, and unit can influence heat pump unit heat supply out of service when serious.
The frosting of air source heat pump winter outdoor heat exchanger is the key that restrict its application and development common problem at present with defrosting.
Currently, the defrosting mode of air source heat pump usually has：Natural defrosting method, inverse cycle defrosting method, electric defrosting method etc..And
From the point of view of actual effect, these conventional methods cannot achieve the continuous heat supply of defrosting operating mode all there is insufficient and defect, past
Toward the frequent start-stop of compressor and the frequent switching of four-way reversing valve can be caused, the fluctuation of heat pump supply water temperature, shadow will also result in
Ring indoor heating effect etc..
Invention content
The purpose of the present invention is big the purpose of the present invention is being directed to heating capacity and efficiency under existing air source heat pump low temperature
Width reduces, and the problem of cannot achieve the continuous heat supply of defrosting operating mode, proposes a kind of net for air-source heat pump units of continuous heat supply.
To achieve the above object, the present invention provides a kind of net for air-source heat pump units of continuous heat supply, including compressor list
Member, indoor water heat exchange unit, quasi- two-stage compression unit, outdoor air heat exchange unit and defrosting branching unit；
The compressor unit includes sequentially connected gas-liquid separator, compressor, oil eliminator, bindiny mechanism；
The indoor water heat exchange unit includes the fluoro- water- to-water heat exchanger being connected with the bindiny mechanism, the fluoro- water heat exchange
Device is equipped with water out and water inlet；
The quasi- two-stage compression unit includes the plate heat exchanger being connected with the fluoro- water- to-water heat exchanger, the plate-type heat-exchange
Branch is equipped with heating circuit and quasi- two-stage compression circuit on device, the heating circuit be directly connected with the plate heat exchanger and
Back segment is equipped with check valve, and the quasi- two-stage compression circuit includes the quasi- two-stage compression solenoid valve being successively set on pipeline, standard two
Grade compression of electronic expansion valve, plate heat exchanger, check valve are simultaneously finally connected with the compressor；
The outdoor air heat exchange unit includes the fluoro- air heat-exchange mechanism that at least two groups are arranged in parallel, the fluoro- air
The heating branch and defrosting branch that heat exchange mechanisms include fluoro- air heat exchanger, are arranged in parallel on the fluoro- air heat exchanger with
And the wind turbine on the fluoro- air heat exchanger is set, the heating branch is equipped with shunting system thermoelectron expansion valve and unidirectionally
Valve, the defrosting branch are equipped with branch defrosting solenoid valve；
The defrosting branching unit includes the defrosting access being arranged between the oil eliminator and bindiny mechanism, described to melt
Defrosting solenoid valve, bidirectional guide mechanism are equipped on white access successively, the defrosting solenoid valve goes back to liquid side with bidirectional guide mechanism
Between branch be connected respectively with the defrosting branch, between the tapping side and bindiny mechanism of the bidirectional guide mechanism branch distinguish
It is connected with the heating branch；
The net for air-source heat pump units only carries out defrosting to the fluoro- air heat-exchange mechanism of one of which every time in defrosting, according to
The secondary refrigeration working medium flowed through in defrosting access, wherein at least one defrosting branch with successively through fluoro- water- to-water heat exchanger, plate heat exchanger
Refrigeration working medium after heat exchange returns liquid side mixed flow in bidirectional guide mechanism, and the tapping side branch through bidirectional guide mechanism flows respectively
Heating branch into remaining fluoro- air heat-exchange mechanism.
Preferably, the bindiny mechanism is four-way reversing valve.
Preferably, the indoor water heat exchange unit further include setting the fluoro- water- to-water heat exchanger and bidirectional guide mechanism it
Between refrigeration access, the refrigeration access is arranged in parallel with the heating circuit, and it is swollen that the refrigeration access is equipped with cooling electronic
Swollen valve and the check valve oppositely arranged with the check valve on heating circuit.
Preferably, the both sides of shunting system thermoelectron expansion valve and check valve have been arranged in parallel refrigeration in each heating branch
Branch, the refrigeration branch are equipped with the oppositely arranged check valve of the check valve being connected with the shunting system thermoelectron expansion valve.
Preferably, the refrigeration work of the fluoro- air heat exchanger in the defrosting branch is arranged in the branch defrosting solenoid valve
The refrigeration working medium outlet side of matter entrance side, the fluoro- air heat exchanger in the defrosting branch is equipped with check valve.
Preferably, the liquid back pipe road for the bidirectional guide mechanism being connected with the defrosting branch is equipped with check valve and cuts manually
Only valve.
Preferably, the tapping side of the bidirectional guide mechanism is equipped with check valve, and the bidirectional guide mechanism goes out liquid
In parallel between side and time liquid side to be equipped with refrigeration access, the refrigeration access is equipped with check valve.
Preferably, in the fluoro- air heat exchanger, air passes sequentially through heating branch, defrosting under the driving of wind turbine
Branch.
Preferably, the net for air-source heat pump units every time melts the fluoro- air heat-exchange mechanism of one of which in defrosting
Frost carries out defrosting operation with moving in turn one by one to each Zu Fu- air heat-exchanges mechanism.
Preferably, the outdoor air heat exchange unit includes 4~12 groups of fluoro- air heat-exchange mechanisms being arranged in parallel.
Based on the above-mentioned technical proposal, it is an advantage of the invention that：
1, the delivery temperature that compressor is reduced using the quasi- two-stage compression of Gas-supplying enthalpy-increasing, reduces compression ratio, improves
Net for air-source heat pump units keeps the application range of net for air-source heat pump units wider in the operation stability and efficiency of worst cold case, from
And make branch move in turn defrosting and the application of continuous heat supply technical solution it is more wide；
2, when defrosting operating mode, quasi- two-stage compression system and the branch defrosting system that moves in turn are coupled, and contribute to smooth compression machine
The fluctuation of suction tolerance can avoid the protectiveness occurred because pressure of inspiration(Pi) is too low and shut down, further ensures air source heat pump machine
The operation stability of group；
3, the heating of other branches is not influenced in net for air-source heat pump units of the invention when certain branch defrosting, heat pump unit can be real
The continuous heat supply of existing system avoids making unit refrigeration and heating frequency by four-way reversing valve when existing net for air-source heat pump units defrosting
Numerous switching improves the effective heating time of heat pump unit and winter gross heat input, improves air source heat pump Winter heat supply effect；
4, when the four-way reversing valve in net for air-source heat pump units of the invention is only used for cooling in summer and winter heating's conversion
Switching, defrosting need not switch when operating, and greatly reduce switch (start and stop) number of four-way reversing valve (including compressor), be promoted
The reliability of net for air-source heat pump units；
5, the defrosting heat-exchanging loop that outdoor air heat exchanging part is added in net for air-source heat pump units of the invention makes system
Heat exchange area increases, and heat pump unit refrigeration and the Energy Efficiency Ratio of heating improve；
6, the wind turbine of existing air source heat pump outdoor heat exchanger is shared, using the consistent mode of start and stop, the wind of single wind turbine
Amount is larger with noise, and the present invention uses more branch air heat exchangers and its fan design thinking, reduces the wind of single wind turbine
Amount and noise, unit overall noise can be reduced greatly.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the net for air-source heat pump units schematic diagram of continuous heat supply.
Specific implementation mode
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
The present invention provides a kind of net for air-source heat pump units of continuous heat supply, as shown in Figure 1, being shown the present invention's
A kind of preferred embodiment.The net for air-source heat pump units of the present invention includes compressor unit, indoor water heat exchange unit, quasi- two level pressure
Contracting unit, outdoor air heat exchange unit and defrosting branching unit.
The compressor unit includes sequentially connected gas-liquid separator 9, compressor 1, oil eliminator 2, bindiny mechanism 3；
The indoor water heat exchange unit includes the fluoro- water- to-water heat exchanger 6 being connected with the bindiny mechanism 3, and the fluoro- water changes
Hot device 6 is equipped with water out 15 and water inlet 16；
The quasi- two-stage compression unit includes the plate heat exchanger 17 being connected with the fluoro- water- to-water heat exchanger 6, described board-like to change
Branch is equipped with heating circuit and quasi- two-stage compression circuit on hot device 17, the heating circuit directly with 17 phase of the plate heat exchanger
It even and in back segment is equipped with check valve 8, the quasi- two-stage compression circuit includes the quasi- two-stage compression electromagnetism being successively set on pipeline
Valve 19, quasi- two-stage compression electric expansion valve 18, plate heat exchanger 17, check valve 8 are simultaneously finally connected with the compressor 1；
The outdoor air heat exchange unit includes the fluoro- air heat-exchange mechanism that at least two groups are arranged in parallel, the fluoro- air
The heating branch and defrosting branch that heat exchange mechanisms include fluoro- air heat exchanger, are arranged in parallel on the fluoro- air heat exchanger with
And the wind turbine on the fluoro- air heat exchanger is set, the heating branch is equipped with shunting system thermoelectron expansion valve and unidirectionally
Valve 8, the defrosting branch are equipped with branch defrosting solenoid valve；
The defrosting branching unit includes the defrosting access being arranged between the oil eliminator 2 and bindiny mechanism 3, described
Be equipped with hand stop valve 5, defrosting solenoid valve 4, bidirectional guide mechanism 10 on defrosting access successively, the defrosting solenoid valve 4 with it is double
It is connected respectively with the defrosting branch to branch between time liquid side of deflector 10, the tapping side of the bidirectional guide mechanism 10
Branch is connected with the heating branch respectively between bindiny mechanism 3；
The net for air-source heat pump units only carries out defrosting to the fluoro- air heat-exchange mechanism of one of which every time in defrosting, according to
The secondary refrigeration working medium flowed through in defrosting access, wherein at least one defrosting branch with successively through fluoro- water- to-water heat exchanger 6, plate-type heat-exchange
Refrigeration working medium after device 17 exchanges heat returns liquid side mixed flow, and the tapping side through bidirectional guide mechanism 10 point in bidirectional guide mechanism 10
Road flows to the heating branch in remaining fluoro- air heat-exchange mechanism respectively.
The integrated technology that the net for air-source heat pump units of the present invention is combined using quasi- two-stage compression with principle of time-space
Route proposes that the more by-passing types of quasi- two-stage compression that air source heat pump is completely new under low ambient temperature operating mode take heat and wheel dynamic formula defrosting skill
On the one hand art scheme adds gas supplementing opening to compressor, adds intermediate plate heat exchanger in systems, to constitute quasi- two-stage compression heat
Pump circulation；On the other hand by air source heat pump outdoor air heat exchanger be set as at least two can independently operated branch take heat with
Defrosting system.To a heating branch and defrosting branch are individually respectively set per outdoor air heat-exchange system independent all the way,
The switching of defrosting operating mode and heating condition is realized by the pipelines such as the opening and closing of solenoid valve and electric expansion valve, check valve and pipe fitting.
Wherein fluoro- air heat-exchange mechanism carries out not influencing the fluoro- air heat-exchange mechanism shunting system thermal technology of other branches while defrosting all the way
The operation of condition carries out defrosting operation to the fluoro- air heat-exchange mechanism of each branch with moving in turn one by one, precisely melts to realize to move in turn
Frost and continuous heat supply.
Present system is divided into five parts, respectively compressor unit, indoor water heat exchange unit, quasi- two-stage compression list
Member, outdoor air heat exchange unit and defrosting branching unit.
Specifically, the compressor unit includes sequentially connected gas-liquid separator 9, compressor 1, oil eliminator 2, connection
Mechanism 3.Preferably, the compressor 1 is frequency-changeable compressor, to obtain better energy-saving effect.To make compressor 1 complete standard two
Grade compression, the compressor 1 is equipped with auxilairy air intake, for sucking the refrigeration working medium in quasi- two-stage compression circuit.When this hair
When bright net for air-source heat pump units is only used for heating, the bindiny mechanism 3 can be used pipeline and be directly connected to, without configuration on pipeline
Valve, the oil eliminator 2 are connected to 6 direct copper pipe of fluoro- water- to-water heat exchanger, the gas-liquid separator 9 and fluoro- air heat-exchange mechanism
Direct copper pipe connection, net for air-source heat pump units is simply possible to use in heating at this time, it is not necessary that four-way valve is arranged.
The indoor water heat exchange unit includes the fluoro- water- to-water heat exchanger 6 being connected with the bindiny mechanism 3, and the fluoro- water changes
Hot device 6 is equipped with water out 15 and water inlet 16.It, as condensation side, evaporation side can be used as in refrigeration, is led in heating
The water out 15 being arranged on the fluoro- water- to-water heat exchanger 6 and water inlet 16 are crossed, user side can be directly connected to, to be user
Hot water or cold water is provided.
The quasi- two-stage compression unit includes the plate heat exchanger 17 being connected with the fluoro- water- to-water heat exchanger 6, described board-like to change
Branch is equipped with heating circuit and quasi- two-stage compression circuit on hot device 17.Heating when, it is described heating circuit in refrigeration working medium with
Refrigeration working medium in quasi- two-stage compression circuit carries out heat exchange in the plate heat exchanger (17).The heating circuit directly with
The plate heat exchanger 17 is connected and is equipped with check valve 8 in back segment, and refrigeration working medium liquid is directly entered plate heat exchanger 17.It is described
Quasi- two-stage compression circuit includes the quasi- two-stage compression solenoid valve 19 being successively set on pipeline, quasi- two-stage compression electric expansion valve
18, plate heat exchanger 17, check valve 8 and finally it is connected with the compressor 1, refrigeration working medium liquid is through quasi- two-stage compression solenoid valve
19 and quasi- 18 reducing pressure by regulating flow of two-stage compression electric expansion valve after also enter plate heat exchanger 17, this two parts refrigeration working medium is described
After generating heat exchange in plate heat exchanger 17, the refrigeration working medium in the quasi- two-stage compression circuit becomes after gas by compressor 1
Auxilairy air intake sucks.
The outdoor air heat exchange unit includes the fluoro- air heat-exchange mechanism that at least two groups are arranged in parallel, the fluoro- air
The heating branch and defrosting branch that heat exchange mechanisms include fluoro- air heat exchanger, are arranged in parallel on the fluoro- air heat exchanger with
And the wind turbine on the fluoro- air heat exchanger is set, the heating branch is equipped with shunting system thermoelectron expansion valve and unidirectionally
Valve 8, the defrosting branch are equipped with branch defrosting solenoid valve.
As shown in Figure 1, the net for air-source heat pump units in the present embodiment has been arranged in parallel four Zu Fu- air heat-exchanges mechanisms, packet
Include the first shunting system thermoelectron expansion valve 11-1, the fluoro- air heat exchanger 13-1 of the first branch and the first branch wind turbine 14-1；Second
Shunting system thermoelectron expansion valve 11-2, the fluoro- air heat exchanger 13-2 of the second branch and the second branch wind turbine 14-2；Third shunting system
The fluoro- air heat exchanger 13-3 of thermoelectron expansion valve 11-3, third branch and third branch wind turbine 14-3；4th shunting system thermoelectron
It is arranged on expansion valve 11-4, the fluoro- air heat exchanger 13-4 of the 4th branch and the 4th branch wind turbine 14-4 and its each pipeline unidirectional
Valve 8.Since net for air-source heat pump units is arranged in parallel multigroup fluoro- air heat-exchange mechanism, every group of fluoro- air heat exchanger individually uses
One wind turbine so that wind turbine independent control, more efficient, noise is lower.Preferably, in the fluoro- air heat exchanger, air
Under the driving of wind turbine, heating branch, defrosting branch are passed sequentially through, so that defrosting branch is arranged in the case where heating branch air
Side is swum, to obtain better defrosting effect.
The defrosting branching unit includes the defrosting access being arranged between the oil eliminator 2 and bindiny mechanism 3, described
Defrosting solenoid valve 4 and bidirectional guide mechanism 10 go back to liquid side between branch be connected respectively with the defrosting branch, it is described two-way to lead
Branch is connected with the heating branch respectively between flowing the tapping side and bindiny mechanism 3 of mechanism 10.Pass through defrosting access, oil separation
The refrigeration working medium that device 2 comes out can be delivered directly to the fluoro- air heat exchanger of a certain defrosting branch, it is made to carry out defrosting.It is described
Hand stop valve 5, defrosting solenoid valve 4, bidirectional guide mechanism 10 are equipped on defrosting access successively, the setting of hand stop valve 5 is just
Refrigeration working medium after maintenance, defrosting changes in bidirectional guide mechanism 10 with successively through fluoro- water- to-water heat exchanger 6, plate heat exchanger 17
Refrigeration working medium after heat returns liquid side mixed flow in bidirectional guide mechanism 10.The bidirectional guide mechanism 10 is former using high speed water conservancy diversion
Reason, such as the mode of jet stream, mixing confluence is carried out by the refrigeration working medium of two kinds of different pressures states.
As shown in Figure 1, in embodiment, the defrosting branching unit is divided into four branches, including the first branch defrosting electricity
Magnet valve 12-1, the second branch defrosting solenoid valve 12-2, third branch defrosting solenoid valve 12-3, the 4th branch defrosting solenoid valve 12-4
And its check valve 8 being arranged on each pipeline.Wherein, the net for air-source heat pump units is only fluoro- to one of which every time in defrosting
Air heat-exchange mechanism carry out defrosting, followed by defrosting access, wherein at least one defrosting branch refrigeration working medium with through fluoro-
Refrigeration working medium after water- to-water heat exchanger 6 exchanges heat goes back to liquid side mixed flow, and going out through bidirectional guide mechanism 10 in bidirectional guide mechanism 10
Liquid side branch flows to the heating branch in remaining fluoro- air heat-exchange mechanism respectively.
Compared to conventional air source heat pump unit, the present invention can still ensure heat supply in defrosting, by moving in turn one by one
Ground carries out defrosting operation to the fluoro- air heat-exchange mechanism of each branch, to realize move in turn accurate defrosting and continuous heat supply, heat supply
Effect is more preferable, greatly reduces start/stop of compressor number, and operation is more reliable.Simultaneously as heating time increases, to also improve
The gross heat input of unit within a certain period of time.And since the defrosting time is short, it can be achieved that accurate defrosting；Further, due to changing
Hot area increases, and Energy Efficiency Ratio can also improve so that unit can reach high efficiency grade.
Preferably, the liquid back pipe road for the bidirectional guide mechanism 10 being connected with the defrosting branch is equipped with check valve 8 and hand
Dynamic shut-off valve 5, can be effectively prevented the reflux of refrigeration working medium.In order to preferably by the refrigeration working medium after defrosting two-way
With the refrigeration working medium successively after fluoro- water- to-water heat exchanger 6, plate heat exchanger 17 exchange heat in bidirectional guide mechanism 10 in deflector 10
Return liquid side mixed flow, it is preferable that the tapping side of the bidirectional guide mechanism 10 is equipped with check valve 8, and the bidirectional guide machine
In parallel between the tapping side of structure 10 and time liquid side to be equipped with refrigeration access, the refrigeration access is equipped with check valve 8.Preferably, institute
Net for air-source heat pump units is stated in defrosting, defrosting operation is carried out to each Zu Fu- air heat-exchanges mechanism with moving in turn one by one, to real
The continuous heat supply of existing unit.
Preferably, the bindiny mechanism 3 is four-way reversing valve, switches piping connection by four-way reversing valve so that this hair
Bright net for air-source heat pump units is provided simultaneously with heating and refrigerating function.Exist at this point, the indoor water heat exchange unit further includes setting
Refrigeration access between the fluoro- water- to-water heat exchanger 6 and bidirectional guide mechanism 10, the refrigeration access are in parallel with the heating circuit
Setting, the refrigeration access be equipped with cooling electronic expansion valve 7 and with oppositely arranged unidirectional of check valve 8 on heating circuit
Valve 8.
Preferably, the both sides of shunting system thermoelectron expansion valve and check valve 8 have been arranged in parallel system in each heating branch
Cold branch, the refrigeration branch are equipped with oppositely arranged unidirectional of the check valve 8 that is connected with the shunting system thermoelectron expansion valve
Valve 8.Preferably, the branch defrosting solenoid valve is arranged the refrigeration working medium of the fluoro- air heat exchanger in the defrosting branch and enters
The refrigeration working medium outlet side of mouthful side, the fluoro- air heat exchanger in the defrosting branch is equipped with check valve 8.
Under the heating condition for not needing defrosting, the high temperature and pressure refrigeration working medium gas come out from compressor is detached via oil
Device and four-way reversing valve are condensed into liquid, and in plate heat exchanger into heat release is carried out in fluoro- water- to-water heat exchanger (condenser)
Subcooled liquid is exchanged heat into, by check valve and bidirectional guide mechanism, respectively enters heating branch, is throttled and is dropped by electric expansion valve
Pressure, absorbs heat into fluoro- air heat exchanger (evaporator), after refrigeration working medium vaporization heat absorption, through four-way reversing valve by compressor
Cycle is completed in sucking.
When needing defrosting, the defrosting solenoid valve in defrosting branch is opened, while the heating electric expansion valve of the circuit system
It closes, the refrigeration working medium of high temperature and pressure enters fluoro- air heat exchanger (evaporator) by defrosting electric expansion valve and carries out defrosting, so
After being mixed afterwards with the refrigeration working medium for having neither part nor lot in defrosting in bidirectional guide mechanism, cycle is continued to complete into other circuits,
It can be heated while defrosting to realize.
Preferably, the outdoor air heat exchange unit includes 4~12 groups of fluoro- air heat-exchange mechanisms being arranged in parallel, to obtain
Obtain preferable defrosting effect.
The net for air-source heat pump units of the continuous heat supply of the present invention at least has the following advantages that：
1, the delivery temperature that compressor is reduced using the quasi- two-stage compression of Gas-supplying enthalpy-increasing, reduces compression ratio, improves
Net for air-source heat pump units keeps the application range of net for air-source heat pump units wider in the operation stability and efficiency of worst cold case, from
And make branch move in turn defrosting and the application of continuous heat supply technical solution it is more wide；
2, when defrosting operating mode, quasi- two-stage compression system and the branch defrosting system that moves in turn are coupled, and contribute to smooth compression machine
The fluctuation of suction tolerance can avoid the protectiveness occurred because pressure of inspiration(Pi) is too low and shut down, further ensures air source heat pump machine
The operation stability of group；
3, the heating of other branches is not influenced in net for air-source heat pump units of the invention when certain branch defrosting, heat pump unit can be real
The continuous heat supply of existing system avoids making unit refrigeration and heating frequency by four-way reversing valve when existing net for air-source heat pump units defrosting
Numerous switching improves the effective heating time of heat pump unit and winter gross heat input, improves air source heat pump Winter heat supply effect；
4, when the four-way reversing valve in net for air-source heat pump units of the invention is only used for cooling in summer and winter heating's conversion
Switching, defrosting need not switch when operating, and greatly reduce switch (start and stop) number of four-way reversing valve (including compressor), be promoted
The reliability of net for air-source heat pump units；
5, the defrosting heat-exchanging loop that outdoor air heat exchanging part is added in net for air-source heat pump units of the invention makes system
Heat exchange area increases, and heat pump unit refrigeration and the Energy Efficiency Ratio of heating improve；
6, the wind turbine of existing air source heat pump outdoor heat exchanger is shared, using the consistent mode of start and stop, the wind of single wind turbine
Amount is larger with noise, and the present invention uses more branch air heat exchangers and its fan design thinking, reduces the wind of single wind turbine
Amount and noise, unit overall noise can be reduced greatly.
As shown in Figure 1, for the fluoro- air heat-exchange mechanism being arranged in parallel by four groups, the air-source of continuous heat supply of the present invention
The principle that heat pump unit obtains above-mentioned technique effect is described below：
In winter under heating condition, the heating electronics of each fluoro- air heat-exchange mechanism branch of outdoor air heat exchange unit
Expansion valve and wind turbine are opened.Such as：First shunting system thermoelectron expansion valve 11-1 and the first branch wind turbine 14-1, the second shunting system
Thermoelectron expansion valve 11-2 and the second branch wind turbine 14-2, third shunting system thermoelectron expansion valve 11-3 and third branch wind turbine
14-3, the 4th shunting system thermoelectron expansion valve 11-4 and the 4th branch wind turbine 14-4 are opened；Quasi- two-stage compression electric expansion valve 18
It is opened with quasi- two-stage compression solenoid valve 19；The defrosting solenoid valve 4 of defrosting passed part and the defrosting solenoid valve of each branch are closed,
Such as：First branch defrosting solenoid valve 12-1, the second branch defrosting solenoid valve 12-2, third branch defrosting solenoid valve 12-3,
Four branch defrosting solenoid valve 12-4 are closed；Cooling electronic expansion valve 7 is closed.The high temperature and pressure refrigeration working medium come out from compressor 1
Gas is condensed into liquid, is divided into 2 tunnels via oil eliminator 2 and four-way reversing valve 3 into heat release is carried out in fluoro- water- to-water heat exchanger 6：
Main road is to heat circuit, two-stage compression circuit subject to bypass.The refrigeration working medium liquid of main road is directly entered plate heat exchanger 17；It is auxiliary
The refrigeration working medium liquid on road also enters after quasi- two-stage compression solenoid valve 19 and quasi- 18 reducing pressure by regulating flow of two-stage compression electric expansion valve
Plate heat exchanger 17.After this two parts refrigeration working medium generates heat exchange in plate heat exchanger 17, the refrigeration working medium of bypass becomes
It is sucked by the auxilairy air intake of compressor 1 after gas, the refrigeration working medium of main road becomes subcooled liquid by check valve 8 and two-way leads
Mechanism 10 is flowed, four heating branches are respectively enterd.In the first branch, electronic expansion is heated by check valve 8 and the first circuit
Valve 11-1 reducing pressure by regulating flow absorbs heat into fluoro- air heat exchanger 13-1；Second and third, four heating branches heating condition process
And so on.After the refrigeration working medium vaporization heat absorption of four heating branches, converges through four-way reversing valve 3 and gas-liquid separator 9, pressed
Contracting machine 1 sucks, and the refrigeration working medium of main road and bypass mixes in 1 working chamber of compressor, and compressor 1 is discharged after further compressing
Outside, heating cycle is completed.
In winter when defrosting operating mode, defrosting solenoid valve 4, hand stop valve 5 on defrosting access are opened, and are melted successively to four
White branch carries out defrosting.When one of defrosting branch carries out defrosting, the shunting system in heating branch where the defrosting branch
Thermoelectron expansion valve is closed, other heating branches are still run according to heating condition.For example, when the first branch starts defrosting, the
One branch defrosting solenoid valve 12-1 is opened, while the first shunting system thermoelectron expansion valve 11-1 is closed, the first circuit wind turbine 14-1
It is stopped, realizes the switching of heating condition and defrosting operating mode.High-temperature refrigeration working medium is by defrosting solenoid valve 12-1, into first
The fluoro- air heat exchanger 13-1 of branch releases heat and melts frost layer, then passes through check valve 8 and hand stop valve 5, into double
Carried out into deflector 10 with the refrigeration working medium in addition having neither part nor lot in defrosting after confluence mixes, into remaining three heating branches after
It is continuous to complete heating condition cycle.Then successively to second and third, four branches carry out defrosting of moving in turn, defrosting process is same as above.
Under cooling in summer operating mode, cooling electronic expansion valve 7 is opened, the defrosting solenoid valve 4 of defrosting loop feature and each
The heating electric expansion valve and defrosting solenoid valve in circuit are closed, such as：First shunting system thermoelectron expansion valve 11-1 and first point
Road defrosting solenoid valve 12-1, the second shunting system thermoelectron expansion valve 11-2 and the second branch defrosting solenoid valve 12-2, third branch
Heat electric expansion valve 11-3 and third branch defrosting solenoid valve 12-3, the 4th shunting system thermoelectron expansion valve 11-4 and the 4th point
Road defrosting solenoid valve 12-4 is closed；Quasi- two-stage compression electric expansion valve 18 and quasi- two-stage compression solenoid valve 19 are closed.From compressor 1
Refrigeration working medium out respectively enters four Zu Fu- air heat-exchanges mechanisms via oil eliminator 2 and four-way reversing valve 3.At first point
Lu Zhong flows through the check valve 8 in bypass after carrying out heat release into fluoro- air heat exchanger 13-1；At second and third, in four branches
The heat transfer process of fluoro- air heat-exchange mechanism is similarly.The refrigeration working medium of four Zu Fu- air heat-exchanges mechanisms converges, through freezing on access
Check valve 8 and cooling electronic expansion valve 7, into absorbing heat in fluoro- water- to-water heat exchanger 6, through four-way reversing valve 3 and gas-liquid separation
Device 9 is sucked by compressor 1 and completes refrigeration cycle.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of net for air-source heat pump units of continuous heat supply, it is characterised in that：Including compressor unit, indoor water heat exchange unit,
Quasi- two-stage compression unit, outdoor air heat exchange unit and defrosting branching unit；
The compressor unit includes sequentially connected gas-liquid separator (9), compressor (1), oil eliminator (2), bindiny mechanism
(3)；
The indoor water heat exchange unit includes the fluoro- water- to-water heat exchanger (6) being connected with the bindiny mechanism (3), and the fluoro- water changes
Hot device (6) is equipped with water out (15) and water inlet (16)；
The quasi- two-stage compression unit includes the plate heat exchanger (17) being connected with the fluoro- water- to-water heat exchanger (6), described board-like to change
Branch is equipped with heating circuit and quasi- two-stage compression circuit on hot device (17), the heating circuit directly with the plate heat exchanger
(17) it is connected and is equipped with check valve (8) in back segment, the quasi- two-stage compression circuit includes the quasi- two level being successively set on pipeline
Compress solenoid valve (19), quasi- two-stage compression electric expansion valve (18), plate heat exchanger (17), check valve (8) and finally with it is described
Compressor (1) is connected；
The outdoor air heat exchange unit includes the fluoro- air heat-exchange mechanism that at least two groups are arranged in parallel, the fluoro- air heat-exchange
The heating branch and defrosting branch and set that mechanism includes fluoro- air heat exchanger, is arranged in parallel on the fluoro- air heat exchanger
The wind turbine on the fluoro- air heat exchanger is set, the heating branch is equipped with shunting system thermoelectron expansion valve and check valve
(8), the defrosting branch is equipped with branch defrosting solenoid valve；
The defrosting branching unit includes the defrosting access being arranged between the oil eliminator (2) and bindiny mechanism (3), described
Defrosting solenoid valve (4), bidirectional guide mechanism (10), the defrosting solenoid valve (4) and bidirectional guide are equipped on defrosting access successively
Mechanism (10) return liquid side between branch be connected respectively with the defrosting branch, the tapping side of the bidirectional guide mechanism (10) and
Branch is connected with the heating branch respectively between bindiny mechanism (3)；
The net for air-source heat pump units only carries out defrosting to the fluoro- air heat-exchange mechanism of one of which every time, flows successively in defrosting
Through in defrosting access, wherein at least one defrosting branch refrigeration working medium with successively through fluoro- water- to-water heat exchanger (6), plate heat exchanger
(17) refrigeration working medium after exchanging heat returns liquid side mixed flow in bidirectional guide mechanism (10), and goes out liquid through bidirectional guide mechanism (10)
Side branch flows to the heating branch in remaining fluoro- air heat-exchange mechanism respectively.
2. net for air-source heat pump units according to claim 1, it is characterised in that：The bindiny mechanism (3) is commutated for four-way
Valve.
3. net for air-source heat pump units according to claim 2, it is characterised in that：The indoor water heat exchange unit further includes setting
Set the refrigeration access between the fluoro- water- to-water heat exchanger (6) and bidirectional guide mechanism (10), the refrigeration access and the heating
Circuit is arranged in parallel, and the refrigeration access is anti-equipped with cooling electronic expansion valve (7) and with the check valve (8) on heating circuit
To the check valve (8) of setting.
4. net for air-source heat pump units according to claim 3, it is characterised in that：Shunting system thermoelectron in each heating branch
The both sides of expansion valve and check valve (8) have been arranged in parallel refrigeration branch, and the refrigeration branch is equipped with to be heated with the branch
The oppositely arranged check valve (8) of the connected check valve (8) of electric expansion valve.
5. net for air-source heat pump units according to claim 1, it is characterised in that：The branch defrosting solenoid valve is arranged in institute
State the refrigeration working medium entrance side of the fluoro- air heat exchanger in defrosting branch, the system of the fluoro- air heat exchanger in the defrosting branch
Cold sender property outlet side is equipped with check valve (8).
6. net for air-source heat pump units according to claim 1, it is characterised in that：What is be connected with the defrosting branch two-way leads
The liquid back pipe road for flowing mechanism (10) is equipped with check valve (8) and hand stop valve (5).
7. net for air-source heat pump units according to claim 4, it is characterised in that：The bidirectional guide mechanism (10) goes out liquid
Side be equipped with check valve (8), and the tapping side of the bidirectional guide mechanism (10) and return liquid side between it is in parallel be equipped with freeze access,
The refrigeration access is equipped with check valve (8).
8. net for air-source heat pump units according to claim 1, it is characterised in that：In the fluoro- air heat exchanger, air
Under the driving of wind turbine, heating branch, defrosting branch are passed sequentially through.
9. net for air-source heat pump units according to claim 1, it is characterised in that：The net for air-source heat pump units is in defrosting
When, every time to the fluoro- air heat-exchange mechanism of one of which carry out defrosting, move in turn one by one to each Zu Fu- air heat-exchanges mechanism into
Row defrosting operates.
10. net for air-source heat pump units according to claim 1, it is characterised in that：The outdoor air heat exchange unit includes 4
~12 groups of fluoro- air heat-exchange mechanisms being arranged in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298939.9A CN108387033A (en) | 2018-04-04 | 2018-04-04 | A kind of net for air-source heat pump units of continuous heat supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810298939.9A CN108387033A (en) | 2018-04-04 | 2018-04-04 | A kind of net for air-source heat pump units of continuous heat supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108387033A true CN108387033A (en) | 2018-08-10 |
Family
ID=63073507
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810298939.9A Pending CN108387033A (en) | 2018-04-04 | 2018-04-04 | A kind of net for air-source heat pump units of continuous heat supply |
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| CN (1) | CN108387033A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028255A (en) * | 2018-09-14 | 2018-12-18 | 北京卡林新能源技术有限公司 | A kind of family comprehensive tune energy net for air-source heat pump units of integrated |
| CN110762642A (en) * | 2019-10-09 | 2020-02-07 | 青岛海尔空调电子有限公司 | Outdoor heat exchanger, air conditioning system and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885478U (en) * | 2010-12-20 | 2011-06-29 | 天津柯瑞斯空调设备有限公司 | Low temperature type air source heat pump unit |
| CN204786911U (en) * | 2015-06-11 | 2015-11-18 | 泰豪科技股份有限公司 | Novel defrosting low temperature dehumidifier |
| CN105157270A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Low-environment-temperature air source heat pump system with undercooling loop |
| CN204963326U (en) * | 2015-08-30 | 2016-01-13 | 湖南华强电气有限公司 | Defrosting structure under on -vehicle air conditioning system mode of heating |
| CN107036349A (en) * | 2017-06-10 | 2017-08-11 | 烟台大学 | A kind of heat pump type air conditioning system based on compressor air-discharging bypass defrosting |
| CN207113323U (en) * | 2017-06-10 | 2018-03-16 | 烟台大学 | A kind of heat pump type air conditioning system based on compressor air-discharging bypass defrosting |
| CN208254017U (en) * | 2018-04-04 | 2018-12-18 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
-
2018
- 2018-04-04 CN CN201810298939.9A patent/CN108387033A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201885478U (en) * | 2010-12-20 | 2011-06-29 | 天津柯瑞斯空调设备有限公司 | Low temperature type air source heat pump unit |
| CN204786911U (en) * | 2015-06-11 | 2015-11-18 | 泰豪科技股份有限公司 | Novel defrosting low temperature dehumidifier |
| CN204963326U (en) * | 2015-08-30 | 2016-01-13 | 湖南华强电气有限公司 | Defrosting structure under on -vehicle air conditioning system mode of heating |
| CN105157270A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Low-environment-temperature air source heat pump system with undercooling loop |
| CN107036349A (en) * | 2017-06-10 | 2017-08-11 | 烟台大学 | A kind of heat pump type air conditioning system based on compressor air-discharging bypass defrosting |
| CN207113323U (en) * | 2017-06-10 | 2018-03-16 | 烟台大学 | A kind of heat pump type air conditioning system based on compressor air-discharging bypass defrosting |
| CN208254017U (en) * | 2018-04-04 | 2018-12-18 | 北京卡林新能源技术有限公司 | A kind of net for air-source heat pump units of continuous heat supply |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109028255A (en) * | 2018-09-14 | 2018-12-18 | 北京卡林新能源技术有限公司 | A kind of family comprehensive tune energy net for air-source heat pump units of integrated |
| CN110762642A (en) * | 2019-10-09 | 2020-02-07 | 青岛海尔空调电子有限公司 | Outdoor heat exchanger, air conditioning system and control method thereof |
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Effective date of registration: 20200427 Address after: 061758 floor 3-4, No.8 Xinghe Road, Cangzhou Economic Development Zone, Cangzhou City, Hebei Province Applicant after: Carlin Heat Pump Technology Co., Ltd Address before: 100082, 5 floor 11, 1 Street, ten Street, Haidian District, Beijing. Applicant before: BEIJING KCALIN NEW ENERGY TECHNOLOGY Co.,Ltd. |