CN107830659A - Heat-exchanger rig and air conditioner - Google Patents
Heat-exchanger rig and air conditioner Download PDFInfo
- Publication number
- CN107830659A CN107830659A CN201711224810.5A CN201711224810A CN107830659A CN 107830659 A CN107830659 A CN 107830659A CN 201711224810 A CN201711224810 A CN 201711224810A CN 107830659 A CN107830659 A CN 107830659A
- Authority
- CN
- China
- Prior art keywords
- gas
- compressor
- liquid separator
- heat exchanger
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 127
- 239000003507 refrigerant Substances 0.000 claims abstract description 55
- 239000002826 coolant Substances 0.000 description 21
- 238000010438 heat treatment Methods 0.000 description 18
- 238000001704 evaporation Methods 0.000 description 13
- 230000008020 evaporation Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 11
- 238000005057 refrigeration Methods 0.000 description 8
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
-
- 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/23—Separators
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/06—Damage
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/09—Improving heat transfers
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention discloses a kind of heat-exchanger rig and air conditioner, wherein, the heat-exchanger rig includes outdoor heat exchanger, gas-liquid separator and control valve；The gas-liquid separator is provided with entrance, gas outlet and liquid outlet, and one end of the outdoor heat exchanger is used to be connected with compressor, and the other end of the outdoor heat exchanger is used to be connected with restricting element；The liquid outlet of the entrance of the gas-liquid separator and the gas-liquid separator is connected with the outdoor heat exchanger respectively, and the gas outlet of the gas-liquid separator is connected with the end interface that enters of the control valve, and the end interface that goes out of the control valve is connected with the compressor.Technical scheme, it can not only effectively prevent compressor liquid hammer, moreover it is possible to effectively improve the utilization rate of refrigerant and the heat exchange efficiency of evaporator.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of heat-exchanger rig and air conditioner.
Background technology
To tackle increasingly serious environmental pollution, in north of China, " matchmaker changes electricity " is brought into schedule.And " matchmaker changes electricity " is most heavy
The link wanted is in a manner of air conditioner heat-production heating substitutes traditional briquette boiler central heating, reduces the two of coal burning discharge
Carbon oxide gas and solid-state dust.But air conditioner heating is because its heat efficiency is relatively low, is the heating system of a kind of " uneconomical ",
Thus improving air conditioner heat-production efficiency becomes one of important measures of promotion " matchmaker changes electricity ".
At present, under SPLIT AIR-CONDITIONING SYSTEM heating mode, now outdoor heat exchanger is as evaporator, when refrigerant flow to steaming
When sending out in the middle part of device, refrigerant is in gas-liquid two-phase state.Gaseous coolant its flow resistance increase so that refrigerant pressure drop increases, gaseous coolant
Heat transfer effect is very poor；Further, the liquid coolant for not having evaporation in evaporator returns to compressor and compressed, due to liquid not
Compressible characteristic, and " liquid hammer " failure that compressor will be caused.
Therefore, it is necessary to a kind of new heat-exchanger rig and air conditioner are provided to solve above-mentioned technical problem.
The content of the invention
The main object of the present invention is to provide a kind of heat-exchanger rig and air conditioner, it is intended to solves air conditioner during system
The problem of heat transfer effect difference and compressor liquid hammer.
To achieve the above object, a kind of heat-exchanger rig proposed by the present invention, the heat-exchanger rig include outdoor heat exchanger, gas
Liquid/gas separator and control valve；The gas-liquid separator is provided with entrance, gas outlet and liquid outlet, and one end of the outdoor heat exchanger is used
It is connected in compressor, the other end of the outdoor heat exchanger is used to be connected with restricting element；The entrance of the gas-liquid separator
Be connected respectively with the outdoor heat exchanger with the liquid outlet of the gas-liquid separator, the gas outlet of the gas-liquid separator with it is described
Control valve enters end interface connection, and the end interface that goes out of the control valve is connected with the compressor.
Preferably, one end of the entrance of the gas-liquid separator and the close compressor of the outdoor heat exchanger connects
Logical, the liquid outlet of the gas-liquid separator connects with one end of the close restricting element of the outdoor heat exchanger.
Preferably, the outdoor heat exchanger includes the first pipeline and the second pipeline, the entrance of the gas-liquid separator and institute
The second end connection of the first pipeline is stated, the liquid outlet of the gas-liquid separator is connected with the first end of second pipeline, described
The first end of first pipeline is connected with the restricting element, and the second end of second pipeline is connected with the compressor.
Preferably, the heat-exchanger rig also includes heat exchanger, and the heat exchanger is arranged at the gas-liquid separator
On the connecting line of gas outlet and the compressor.
Preferably, the heat-exchanger rig also includes check valve, and the check valve is arranged at the outlet of the gas-liquid separator
Mouthful with the connecting line of the compressor, it is allowed to through the gas outlet outflow refrigerant flow to the compressor.
Preferably, the check valve is set close to the compressor, and the control valve is set close to the gas outlet, described
Heat exchanger is arranged at the centre of the check valve and the control valve.
Preferably, the gas outlet of connecting pipeline and the gas-liquid separator that outdoor heat exchanger is communicated to the compressor connects
The connecting line of the compressor is connected in the interconnected merging in junction.
Preferably, the control valve is magnetic valve.
Preferably, the heat-exchanger rig also includes controller, and the controller controls the aperture of the magnetic valve.
In addition, the invention also provides a kind of air conditioner, the air conditioner include heat-exchanger rig as described above and
Circulate compressor, reversal valve, indoor heat exchanger and the restricting element of connection successively, the heat exchanger be provided with first entrance end,
The first exit end that is connected with the first entrance end, second entrance end and and second entrance end connection second outlet
End, the first entrance end are connected with the gas outlet, and the first exit end is connected with the compressor, the second entrance
End is connected with the indoor heat exchanger, and the second outlet end is connected with the restricting element.
In technical scheme, gas-liquid separation is set on the connecting line between outdoor heat exchanger and compressor
Device, unevaporated liquid refrigerants in outdoor heat exchanger is separated with the gaseous coolant evaporated by gas-liquid separator, energy
Effectively prevent compressor from producing the failure of liquid hammer；In addition, the liquid refrigerants separated is returned to using gas-liquid separator
Outdoor heat exchanger, further evaporation endothermic is carried out, can effectively improve the utilization rate of refrigerant and the heat exchange efficiency of evaporator.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the refrigeration mode schematic diagram of the air conditioner of one embodiment of the invention；
Fig. 2 is the heating mode schematic diagram of the air conditioner in Fig. 1 embodiments；
Fig. 3 is the refrigeration mode schematic diagram of the air conditioner of another embodiment of the present invention；
Fig. 4 is the heating mode schematic diagram of the air conditioner in Fig. 3 embodiments；
Fig. 5 is the structural representation of the outdoor heat exchanger in Fig. 3.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 110 | Outdoor heat exchanger | 150 | Check valve |
| 111 | First pipeline | 160 | First control element |
| 112 | Second pipeline | 170 | Second control element |
| 120 | Gas-liquid separator | 180 | Junction |
| 121 | Entrance | 200 | Air conditioner |
| 122 | Liquid outlet | 210 | Compressor |
| 123 | Gas outlet | 220 | Reversal valve |
| 130 | Control valve | 230 | Indoor heat exchanger |
| 140 | Heat exchanger | 240 | Restricting element |
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only the part of the embodiment of the present invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained under the premise of creative work is not made it is all its
His embodiment, belongs to the scope of protection of the invention.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining the relative position relation under a certain particular pose (as shown in drawings) between each part, motion conditions etc., if should
When particular pose changes, then directionality instruction also correspondingly changes therewith.
In addition, in the present invention such as relating to the description of " first ", " second " etc. be only used for describe purpose, and it is not intended that
Indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ",
At least one this feature can be expressed or be implicitly included to the feature of " second ".In the description of the invention, " multiple " contain
Justice is at least two, such as two, three etc., unless otherwise specifically defined.
Also, the technical scheme between each embodiment of the present invention can be combined with each other, but must be general with this area
Logical technical staff can be implemented as basis, will be understood that when the combination appearance of technical scheme is conflicting or can not realize this
The combination of technical scheme is not present, also not within the protection domain of application claims.
The present invention provides a kind of heat-exchanger rig, it is intended to solves air conditioner heat transfer effect difference and compressor liquid hammer during system
The problem of.
As shown in Figures 1 to 4, a kind of heat-exchanger rig provided by the invention, heat-exchanger rig include outdoor heat exchanger 110, gas
Liquid/gas separator 120 and control valve 130, entrance 121, gas outlet 123 and liquid outlet 122 are provided with gas-liquid separator 120.Work as gas
Liquid mixing refrigerant enter from the entrance 121 of gas-liquid separator 120 it is fashionable, by the effect of the internal structure of gas-liquid separator 120
So that gaseous coolant separates with liquid refrigerants, and in the case of being both turned in gas outlet 123 and liquid outlet 122, gaseous coolant with
Liquid refrigerants can flow out gas-liquid separator 120 from gas outlet 123 and liquid outlet 122 respectively.One end of outdoor heat exchanger 110 with
Compressor 210 is connected, and the other end of outdoor heat exchanger 110 is connected with restricting element 240.The He of entrance 121 of gas-liquid separator 120
The liquid outlet 122 of gas-liquid separator 120 is connected with outdoor heat exchanger 110 respectively, gas outlet 123 and the control of gas-liquid separator 120
Valve 130 processed enters end interface connection, and the end interface that goes out of control valve 130 is connected with compressor 210.
When in heating mode, gas-liquid point is set on the connecting line between outdoor heat exchanger 110 and compressor 210
From device 120, by gas-liquid separator 120 by unevaporated liquid refrigerants in outdoor heat exchanger 110 and the gaseous coolant evaporated
Separate, now, control valve 130 is opened, and gaseous coolant flows out through gas outlet 123 and returns to compressor 210, liquid refrigerants warp
Liquid outlet 122 is back to outdoor heat exchanger 110 and is evaporated heat absorption again, on the one hand causes the refrigerant stream in outdoor heat exchanger 110
Dynamic resistance reduces, and pressure difference reduces, and the wasted work of compressor 210 reduces；On the other hand compressor 210 can be effectively avoided to produce the event of liquid hammer
Barrier.In addition, the liquid refrigerants separated using gas-liquid separator 120 returns to outdoor heat exchanger 110, further steamed
Hair heat absorption, can effectively improve the utilization rate of refrigerant and the heat exchange efficiency of evaporator.
In one embodiment, referring to Fig. 1 and Fig. 2, the entrance 121 of gas-liquid separator 120 is close with outdoor heat exchanger 110
One end connection of compressor 210, the liquid outlet 122 of gas-liquid separator 120 and the close restricting element 240 of outdoor heat exchanger 110
One end connection, the gas outlet 123 of gas-liquid separator 120 is connected with the end interface that enters of control valve 130, and control valve 130 goes out to hold
Interface is connected with compressor 210.During in heating mode, when refrigerant after outdoor heat exchanger 110 is evaporated heat absorption from gas-liquid
The entrance 121 of separator 120 enters, and the effect by the internal structure of gas-liquid separator 120 make it that gaseous coolant is cold with liquid
Matchmaker separates.Now control valve 130 is opened, and gaseous coolant returns to compressor 210 after control valve 130, and liquid refrigerants is then from gas-liquid
The liquid outlet 122 of separator 120 is back to outdoor heat exchanger 110 and re-starts evaporation endothermic.In the above-described embodiments, gas-liquid point
Liquid outlet 122 from device 120 can also be connected with the inside middle of the outdoor heat exchanger 110.
Further, referring again to Fig. 1 and Fig. 2, in the company of the entrance 121 and indoor heat exchanger 230 of gas-liquid separator 120
Adapter is provided with the first control element 160 between road.When in refrigeration mode, the control element 160 of control valve 130 and first is equal
Close, to avoid the refrigerant for flowing to outdoor heat exchanger 110 from compressor 210 from entering gas by gas outlet 123 and entrance 121 respectively
After liquid/gas separator 120, the liquid outlet 122 through gas-liquid separator 120 flows out to restricting element 240, so as to cause outdoor heat exchanger
110 is bypassed, and the refrigerant come out from compressor 210 can not effectively carry out heat release.Meanwhile first control element 160 can be with
It is arranged on the liquid outlet 122 of gas-liquid separator 120 and the connecting line of outdoor heat exchanger 110.Further, in order to effective
The liquid hammer of compressor 210 is prevented, the second control element is provided with the connecting line of outdoor heat exchanger 110 and compressor 210
170, when in refrigeration mode, the connecting tube between the second control element 170 conducting outdoor heat exchanger 110 and compressor 210
Road, when in heating mode, the connecting tube between the second control element 170 cut-off outdoor heat exchanger 110 and compressor 210
Road.It should be noted that the first control element 160 can be magnetic valve or hydraulic valve etc., the second control element 170 can be electricity
Magnet valve, hydraulic valve or check valve 150 etc..
In preferred embodiment, referring to Fig. 3 to Fig. 5, outdoor heat exchanger 110 includes the first pipeline 111 and the second pipeline
112, the entrance 121 of gas-liquid separator 120 is connected with the second end of the first pipeline 111, the liquid outlet 122 of gas-liquid separator 120
It is connected with the first end of the second pipeline 112, the first end of the first pipeline 111 is connected with restricting element 240, the second pipeline 112
Second end is connected with compressor 210.When in heating mode, control valve 130 is opened, the gas after the throttling of restricting element 240
The refrigerant of liquid mixing is evaporated heat absorption from the first end of the first pipeline 111 of outdoor heat exchanger 110 into the first pipeline 111.
Now operative liquid refrigerant heat absorption evaporation forms gaseous coolant, because being continuously increased for gaseous coolant causes refrigerant in outdoor heat exchange
The flow resistance of first pipeline 111 of device 110 is increasing, and the refrigerant of gas-liquid mixed enters from the second end of the first pipeline 111
The entrance 121 of gas-liquid separator 120, after the effect of gas-liquid separator 120, gaseous coolant is separated with liquid refrigerants, and point
Gas-liquid separator 120 is not flowed out by gas outlet 123 and liquid outlet 122.The gaseous coolant flowed out through gas outlet 123 is through control valve
Compressor 210 is returned to after 130, first end of the liquid refrigerants through the second pipeline 112 flowed out through liquid outlet 122 enters the second pipeline
Again evaporation endothermic after 112, so can improve the utilization rate of refrigerant, without being separately provided again to make full use of liquid refrigerants
The devices such as flash vessel are evaporated to liquid refrigerants, beneficial to reducing cost.When in refrigeration mode, control valve 130 is closed, this
When from compressor 210 flow out second pipeline 112 of the refrigerant through outdoor heat exchanger 110 the second end flow into, through the second pipeline 112
The liquid outlet 122 through gas-liquid separator 120 enters gas-liquid separator 120, because control valve 130 is closed, outlet after cooling down heat release
Mouth 123 is ended, therefore refrigerant can only be flowed out through the entrance 121 of gas-liquid separator 120 and the second end through the first pipeline 111 reaches
First pipeline 111 carries out cooling heat release.
Further, heat exchanger 140 is also included referring again to Fig. 3 and Fig. 4, heat-exchanger rig, heat exchanger 140 is arranged at
On the gas outlet 123 of gas-liquid separator 120 and the connecting tube of compressor 210.Heat exchanger 140 is used to make to flow from gas outlet 123
The gaseous coolant gone out absorbs heat to improve the temperature of gaseous coolant.Further, heat-exchanger rig also includes check valve 150,
Unidirectionally it is arranged on the gas outlet 123 of gas-liquid separator 120 and the connecting tube of compressor 210, to allow to flow out through gas outlet 123
Refrigerant flow to the compressor 210.In other embodiments, magnetic valve or single-pass magnetic valve etc. can also be used to substitute check valve
150, as long as ensureing that from the gaseous coolant that gas outlet 123 is flowed out compressor 210 can be flowed to, and the refrigerant from compressor 210 can not
Gas-liquid separator 120 is flowed into through gas outlet 123.It should be noted that check valve 150 is set close to compressor 210, control
Valve 130 processed is set close to gas outlet 123, and heat exchanger 140 is arranged at the centre of check valve 150 and control valve 130.
In addition, referring to Fig. 3 and Fig. 4, outdoor heat exchanger 110 is communicated to the connecting pipeline and gas-liquid separator of compressor 210
120 gas outlet 123 is connected to the connecting line of compressor 210 in the interconnected merging in junction 180.From outdoor heat exchanger
The refrigerant of the low temperature of 110 the second pipeline 112 outflow is with the gaseous coolant of the high temperature through being absorbed heat at heat exchanger 140 in junction
During 180 mixing so that the refrigerant temperature rise of low temperature, so as to improve the suction temperature of compressor 210 and refrigerant mass dryness fraction, prevent
" liquid hammer ", so as to improve the reliability of system.
It should be noted that 130 preferred magnetic valve of control valve, can also be hydraulic valve, pneumatic operated valve etc..In addition, heat exchange dress
Putting also includes controller (not shown), and controller is connected with magnetic valve, for controlling the aperture of magnetic valve.Heating mode
Under, because system is when different frequency is run, refrigerant circulation is different, then it is different in the evaporation capacity of outdoor heat exchanger 110, control valve
130 aperture directly affects system heating performance.In the case of the frequency of compressor 210 is too small, its refrigerant circulation is smaller, room
The evaporation capacity of external heat exchanger 110 is smaller, if electromagnetism valve opening is excessive, liquid refrigerants quilt easily occurs at gas-liquid separator 120
" suction " goes out, and so as to reduce evaporation capacity, influences heating effect, so when medium-high frequency is run, electromagnetism valve opening is gradually increased；And
During low-frequency operation, electromagnetism valve opening reduces, and is even switched off, in order to avoid influenceing evaporation effect, reduces system heating capacity.
In addition, a kind of air conditioner 200 provided by the invention, referring to Fig. 1 to Fig. 4, air conditioner 200 includes as described above
Heat-exchanger rig and the compressor 210 being sequentially connected with successively, reversal valve 220, indoor heat exchanger 230 and restricting element 240.Heat is handed over
Parallel operation 140 be provided with the end of first entrance 121, the first exit end connected with the end of first entrance 121, the end of second entrance 121 and with
The second outlet end of the end of second entrance 121 connection, the end of first entrance 121 are connected with the gas outlet 123, and described first goes out
Mouth end is connected with the compressor 210, and the end of second entrance 121 is connected with the indoor heat exchanger 230, the second outlet
End is connected with the restricting element 240.Wherein, the preferred four-way reversing valve 220 of reversal valve 220, reversal valve 220 have a, b, c, d
Four interfaces, wherein a interfaces turn on d interfaces can connect compressor 210 and indoor heat exchanger 230, and c interfaces turn on b interfaces
Compressor 210 and heat-exchanger rig can be connected, forms heating circulation loop；Wherein, a interfaces and the conducting of b interfaces can connect compressor
210 and heat-exchanger rig, c interfaces turn on d interfaces can connect compressor 210 and indoor heat exchanger 230, form kind of refrigeration cycle and return
Road.In addition, restricting element 240 can be the component that choke valve or expansion valve etc. have throttling action.
When air conditioner 200 is in refrigeration mode, control valve 130 is closed, and refrigerant cools down through outdoor heat exchanger 110, outflow
Throttled after outdoor heat exchanger 110 through restricting element 240, inflow heat exchanger 140, now without any heat exchange action, refrigerant stream
Enter the evaporation endothermic of indoor heat exchanger 230, flow through reversal valve 220 afterwards, sucked by compressor 210, complete a kind of refrigeration cycle.
When air conditioner 200 is in heating mode, control valve 130 is opened, as refrigerant steams in outdoor heat exchanger 110
Hair, refrigerant mass dryness fraction rise, and gas-liquid two-phase state refrigerant flow resistance increase, endothermic effect is deteriorated, and refrigerant is through outdoor heat exchanger 110
Gas-liquid separator 120 is flowed into after evaporation endothermic, gaseous coolant is through the inflow heat exchanger 140 of control valve 130, and from indoor heat exchange
Heat exchange occurs for the refrigerant of the medium temperature and medium pressure of device 230 so that the temperature of gaseous coolant uprises, and the temperature of the refrigerant of medium temperature and medium pressure
Reduce；Liquid refrigerants after the separation of gas-liquid separator 120 flows back to outdoor heat exchanger 110 and continues evaporation endothermic so that outdoor is changed
Refrigerant flow resistance reduces in hot device 110, and pressure drop reduces, heat transfer effect lifting.In this way, not only cause refrigerant degree of supercooling before throttling
Increase, mass dryness fraction reduce, and are advantageous to improve the evaporation effect of refrigerant after throttling so as to improving heating capacity, additionally it is possible to after making heat exchange
The refrigerant for the low temperature that the gaseous coolant of medium temperature flows out with outdoor heat exchanger 110 converges so that refrigerant temperature raises, so as to improve pressure
The suction temperature of contracting machine 210 and refrigerant mass dryness fraction, prevent " liquid hammer ", improve the reliability of system.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every at this
Under the inventive concept of invention, the equivalent structure transformation made using description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in the scope of patent protection of the present invention.
Claims (10)
1. a kind of heat-exchanger rig, the heat-exchanger rig includes outdoor heat exchanger, gas-liquid separator and control valve, it is characterised in that
The gas-liquid separator is provided with entrance, gas outlet and liquid outlet, and one end of the outdoor heat exchanger is used to be connected with compressor, institute
The other end for stating outdoor heat exchanger is used to be connected with restricting element；The entrance of the gas-liquid separator and the gas-liquid separator
Liquid outlet is connected with the outdoor heat exchanger respectively, and end interface company is entered in the gas outlet of the gas-liquid separator with the control valve
Connect, the end interface that goes out of the control valve is connected with the compressor.
2. heat-exchanger rig as claimed in claim 1, it is characterised in that the entrance of the gas-liquid separator and the outdoor heat exchange
One end connection of the close compressor of device, the liquid outlet of the gas-liquid separator is with the outdoor heat exchanger close to described
One end connection of restricting element.
3. heat-exchanger rig as claimed in claim 1, it is characterised in that the outdoor heat exchanger includes the first pipeline and the second pipe
Road, the entrance of the gas-liquid separator are connected with the second end of first pipeline, the liquid outlet of the gas-liquid separator and institute
The first end connection of the second pipeline is stated, the first end of first pipeline is connected with the restricting element, second pipeline
Second end is connected with the compressor.
4. such as the heat-exchanger rig any one of claim 1-3, it is characterised in that the heat-exchanger rig also includes heat exchange
Device, the heat exchanger are arranged on the gas outlet of the gas-liquid separator and the connecting line of the compressor.
5. heat-exchanger rig as claimed in claim 4, it is characterised in that the heat-exchanger rig also includes check valve, described unidirectional
Valve is arranged on the gas outlet of the gas-liquid separator and the connecting line of the compressor, to allow to flow out through the gas outlet
Refrigerant flow to the compressor.
6. heat-exchanger rig as claimed in claim 5, it is characterised in that the check valve is set close to the compressor, described
Control valve is set close to the gas outlet, and the heat exchanger is arranged at the centre of the check valve and the control valve.
7. heat-exchanger rig as claimed in claim 6, it is characterised in that the outdoor heat exchanger is communicated to the company of the compressor
The connecting line that siphunculus road and the gas outlet of the gas-liquid separator are connected to the compressor is interconnected in junction
Merge.
8. such as the heat-exchanger rig any one of claim 1-3, it is characterised in that the control valve is magnetic valve.
9. heat-exchanger rig as claimed in claim 8, it is characterised in that the heat-exchanger rig also includes controller, the control
Device controls the aperture of the magnetic valve.
10. a kind of air conditioner, it is characterised in that the air conditioner includes the heat exchange dress as any one of claim 4-9
Compressor, reversal valve, indoor heat exchanger and the restricting element of connection are put and circulate successively, the heat exchanger enters provided with first
Mouthful end, the first exit end connected with the first entrance end, second entrance end and connected with the second entrance end the
Two ports of export, the first entrance end are connected with the gas outlet, and the first exit end is connected with the compressor, and described
Two arrival ends are connected with the indoor heat exchanger, and the second outlet end is connected with the restricting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224810.5A CN107830659A (en) | 2017-11-29 | 2017-11-29 | Heat-exchanger rig and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711224810.5A CN107830659A (en) | 2017-11-29 | 2017-11-29 | Heat-exchanger rig and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107830659A true CN107830659A (en) | 2018-03-23 |
Family
ID=61646465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711224810.5A Pending CN107830659A (en) | 2017-11-29 | 2017-11-29 | Heat-exchanger rig and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218362A (en) * | 2021-04-21 | 2022-10-21 | 芜湖美智空调设备有限公司 | Air supplementing control method and device for air conditioner, air conditioner and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278045A (en) * | 1997-09-24 | 1999-10-12 | Denso Corp | Refrigerating cycle device |
| CN104832993A (en) * | 2015-05-13 | 2015-08-12 | 苏州奥然日用品有限公司 | Energy-saving air conditioner |
| CN105135760A (en) * | 2015-09-28 | 2015-12-09 | 江苏宝奥兰空调设备有限公司 | Refrigerating system and control method |
| CN105241135A (en) * | 2015-11-12 | 2016-01-13 | 安徽美芝精密制造有限公司 | Refrigeration system and heat pump system |
| CN105698447A (en) * | 2016-04-20 | 2016-06-22 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN207688467U (en) * | 2017-11-29 | 2018-08-03 | 芜湖美智空调设备有限公司 | Heat-exchanger rig and air conditioner |
-
2017
- 2017-11-29 CN CN201711224810.5A patent/CN107830659A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11278045A (en) * | 1997-09-24 | 1999-10-12 | Denso Corp | Refrigerating cycle device |
| CN104832993A (en) * | 2015-05-13 | 2015-08-12 | 苏州奥然日用品有限公司 | Energy-saving air conditioner |
| CN105135760A (en) * | 2015-09-28 | 2015-12-09 | 江苏宝奥兰空调设备有限公司 | Refrigerating system and control method |
| CN105241135A (en) * | 2015-11-12 | 2016-01-13 | 安徽美芝精密制造有限公司 | Refrigeration system and heat pump system |
| CN105698447A (en) * | 2016-04-20 | 2016-06-22 | 广东美的制冷设备有限公司 | Air-conditioning system |
| CN207688467U (en) * | 2017-11-29 | 2018-08-03 | 芜湖美智空调设备有限公司 | Heat-exchanger rig and air conditioner |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218362A (en) * | 2021-04-21 | 2022-10-21 | 芜湖美智空调设备有限公司 | Air supplementing control method and device for air conditioner, air conditioner and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104061705B (en) | Two-stage compression air conditioning system and control method thereof | |
| CN102645060B (en) | Multi-split air conditioning system | |
| WO2016000656A1 (en) | Air conditioning system | |
| CN205351844U (en) | Changes in temperature type air conditioning system and single cold mould air conditioning system | |
| CN204115293U (en) | Air conditioning system | |
| CN105091436B (en) | Air conditioning unit and heating and defrosting method thereof | |
| CN105972717B (en) | Multi-split air conditioning system and control method thereof | |
| CN107024031A (en) | A kind of three pressure high-efficiency air cooling source pumps suitable for the big temperature difference | |
| CN102759193B (en) | Air source heat pump system | |
| CN202734344U (en) | Low temperature enthalpy increasing family type central air conditioner | |
| CN209484880U (en) | One kind is risen again formula heat pump system | |
| CN102937347A (en) | Enhanced vapor injection type triple co-generation machine | |
| WO2020082739A1 (en) | Two-pipe system gas-injection enthalpy-increasing outdoor unit and multi-split system | |
| CN110160178A (en) | Heat pump air conditioning system based on natural energy resources | |
| CN207006398U (en) | Heat recovery outer unit system and air conditioning system | |
| CN107101417B (en) | Preposition four mode changes in temperature hot water three-way set of water- to-water heat exchanger | |
| CN109631171B (en) | Multi-heat exchanger window type air conditioner with fresh air function | |
| CN207688467U (en) | Heat-exchanger rig and air conditioner | |
| CN101799223B (en) | Entire-year three-use air source heat pump unit and method for operating same | |
| CN106595118A (en) | Air-cooled cold and hot water unit | |
| CN108759157B (en) | One-time throttling two-stage compression heat pump system | |
| CN107830659A (en) | Heat-exchanger rig and air conditioner | |
| CN115077119B (en) | Energy-saving air conditioner capable of quickly defrosting without stopping | |
| CN206514566U (en) | Air-cooled cold and hot water unit | |
| CN215930176U (en) | Refrigerating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |