CN105910319A - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN105910319A CN105910319A CN201610369801.4A CN201610369801A CN105910319A CN 105910319 A CN105910319 A CN 105910319A CN 201610369801 A CN201610369801 A CN 201610369801A CN 105910319 A CN105910319 A CN 105910319A
- Authority
- CN
- China
- Prior art keywords
- ejector
- air conditioning
- conditioning system
- indoor heat
- heat exchange
- 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.)
- Granted
Links
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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/06—Compression machines, plants or systems with non-reversible cycle with compressor of jet type, e.g. using liquid under pressure
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
-
- 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
- F25B2600/00—Control issues
- F25B2600/02—Compressor control
- F25B2600/021—Inverters therefor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses an air conditioning system. The air conditioning system comprises a compressor (1), indoor heat exchange devices, an outdoor heat exchange device (2), throttling devices and an ejector (3), wherein the ejector (3) comprises an inlet, an ejecting inlet and an outlet; the inlet of the ejector (3) is connected to a pipeline between the outdoor heat exchange device (2) and the indoor heat exchange devices; the outlet of the ejector (3) is connected to an air suction end of the compressor (1); and the ejecting inlet of the ejector (3) can be selectively connected to the outlets of the indoor heat exchange devices or the outlet of the outdoor heat exchange device (2). By the air conditioning system disclosed by the invention, the problems that in the prior art, overall energy consumption of an air conditioner is increased, and comprehensive capacity coefficients are reduced can be solved.
Description
Technical field
The present invention relates to air-conditioning technique field, in particular to a kind of air conditioning system.
Background technology
In the case of outdoor environment is more severe, as temperature reaches subzero 30 DEG C, air conditioning unit right
The work pressure ratio of compressor requires the highest, generally uses two compressors or a special benefit
Gas enthalpy-increasing compressor, and meanwhile, compressor power consumption increases, thus integral air conditioner unit
Heating efficiency is the least, it is impossible to meet energy saving policy.Producer uses compound compressor substantially at present
The mode of compression meets bad working environments demands such as heating, but this can increase the entirety of air-conditioning undoubtedly
Energy consumption, reduces the integration capability coefficient of air-conditioning.
Summary of the invention
The embodiment of the present invention provides a kind of air conditioning system, air-conditioning in prior art can be solved
Overall energy consumption increases, the problem that integration capability coefficient reduces.
For achieving the above object, the embodiment of the present invention provides a kind of air conditioning system, including compressor,
Indoor heat-exchanger rig, outdoor heat exchange device, throttling arrangement and ejector, ejector include import,
Injection entrance and exit, the import of ejector is connected to outdoor heat exchange device and indoor heat-exchanger rig
Between pipeline on, the outlet of ejector is connected to the suction end of compressor, the injection of ejector
Entrance is optionally connected to outlet or the outlet of outdoor heat exchange device of indoor heat-exchanger rig.
As preferably, air conditioning system includes cross valve, and the injection entrance of ejector is connected to four-way
The gas returning port of valve.
As preferably, ejector includes nozzle, suction chamber and diffusion chamber, nozzle and ejector
Inlet communication, injection entrance connects with suction chamber, and the outlet of ejector connects with diffusion chamber.
As preferably, throttling arrangement include being disposed in the interior heat-exchanger rig and outdoor heat exchange device it
Between outdoor choke valve, air conditioning system also includes the first connecting pipeline and the second connecting pipeline,
A connecting pipe road is connected between the first end and the import of ejector of outdoor choke valve, and second even
Siphunculus road is connected between the second end and the import of ejector of outdoor choke valve, the first communicating pipe
Road selectively connects with the second connecting pipeline.
As preferably, the first connecting pipeline and the second connecting pipeline are respectively arranged with a control
Valve.
As preferably, indoor heat-exchanger rig includes multiple indoor heat exchanging pipe being arranged in parallel, respectively
It is respectively arranged with at least one indoor heat exchanger on indoor heat exchanging pipe.
As preferably, each indoor heat exchanging pipe is provided with one and changes with the indoor on this pipeline
The indoor choke valve of hot device series connection.
As preferably, it is additionally provided with gas-liquid between outlet and the suction end of compressor of ejector and divides
From device.
As preferably, the exhaust end of compressor is provided with gs-oil separator.
As preferably, between the first connecting pipeline and the second connecting pipeline and ejector, pass through threeway
Valve connects.
Application technical scheme, air conditioning system include compressor, indoor heat-exchanger rig,
Outdoor heat exchange device, throttling arrangement and ejector, ejector includes import, injection entrance and goes out
Mouthful, the import of ejector is connected on the pipeline between outdoor heat exchange device and indoor heat-exchanger rig,
The outlet of ejector is connected to the suction end of compressor, and the injection entrance of ejector selectively connects
It is connected to outlet or the outlet of outdoor heat exchange device of indoor heat-exchanger rig.By the suction at compressor
Gas end increases ejector, can promote the suction end pressure of compressor, by regulation compressor frequency
Rate meets different workload demands, uses common compressor can improve air conditioning system comprehensive
Capacity factor, saves electric energy power consumption, the service behaviour of raising.
Accompanying drawing explanation
Fig. 1 is the structural representation of the air conditioning system of the embodiment of the present invention；
Fig. 2 is the work structuring schematic diagram that the air conditioning system of the embodiment of the present invention is in refrigerating state；
Fig. 3 is the work structuring schematic diagram that the air conditioning system of the embodiment of the present invention is in the state of heating；
Fig. 4 is the structural representation of the ejector of the air conditioning system of the embodiment of the present invention.
Description of reference numerals: 1, compressor；2, outdoor heat exchange device；3, ejector；4、
Cross valve；5, outdoor choke valve；6, indoor heat exchanger；7, indoor choke valve；8, control
Valve；9, gas-liquid separator；10, nozzle；11, suction chamber；12, diffusion chamber.
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but does not makees
For limitation of the invention.
As shown in Figures 1 to 4, according to embodiments of the invention, air conditioning system include compressor 1,
Indoor heat-exchanger rig, outdoor heat exchange device 2, throttling arrangement and ejector 3, ejector 3 includes
Import, injection entrance and exit, the import of ejector 3 is connected to outdoor heat exchange device 2 and room
On pipeline between interior heat-exchanger rig, the outlet of ejector 3 is connected to the suction end of compressor 1,
The injection entrance of ejector 3 is optionally connected to outlet or the outdoor heat exchange of indoor heat-exchanger rig
The outlet of device 2.
When air conditioning system works, can be by import from outdoor heat exchange device 2 and indoor heat exchange
Introducing portion High Temperature High Pressure coolant on pipeline between device, and through the nozzle blood pressure lowering of ejector 3
Speedup, then will be by outdoor after freezing or heating by the injection entrance of ejector 3
The outlet of heat-exchanger rig 2 or the outlet of indoor heat-exchanger rig flow into the suction end of compressor 1
Coolant is incorporated in ejector 3, and coolant and injection entrance that the import of ejector 3 introduces introduce
Coolant mixing after form the high middle pressure of coolant pressure introduced compared with the injection entrance of ejector 3
Coolant, thus increase the pressure of the gaseous coolant entering compressor, promote the suction end of compressor
Pressure, meets different workload demands by regulation compressor frequency, uses common compression
Machine can improve air conditioning system integration capability coefficient, saves electric energy power consumption, improves service behaviour.
It is gaseous coolant to better ensure that the coolant entering compressor air suction end, at ejector 3
Inlet connecting branch road on throttling arrangement can also be set, in order to make to enter into ejector 3 import
Coolant can with throttling expansion as gaseous coolant after with injection entrance introduce coolant mix, it is to avoid
Liquid refrigerants enters into compressor 1 and compressor is caused damage.
Air conditioning system includes cross valve 4, and the injection entrance of ejector 3 is connected to returning of cross valve 4
QI KOU.Outlet or the outdoor heat exchange of indoor heat-exchanger rig can be conveniently realized by cross valve 4
The switching of the connection status between outlet and the injection entrance of ejector 3 of device 2 so that draw
Entry portal can be connected to export accordingly according to the difference of air conditioning system duty neatly
Place, it is achieved the reasonable employment of ejector 3.
Ejector 3 includes nozzle 10, suction chamber 11 and diffusion chamber 12, nozzle 10 and ejector
The inlet communication of 3, injection entrance connects with suction chamber 11, the outlet of ejector 3 and diffusion chamber
12 connections.Wherein nozzle 10 is to successively decrease to port of export extension and cross section from the entrance point of ejector 3
Pyramidal structure, the coolant entered from nozzle 10 can be carried out blood pressure lowering speedup, suction chamber 11
It is positioned at the port of export of nozzle 10, for columnar structured, matches with nozzle 10, can pass through
The negative pressure that nozzle 10 blood pressure lowering speedup is formed sucks coolant, diffusion chamber 12 and suction from injection entrance
The port of export entering chamber 11 is connected, and is incremented by along gas flow direction interface, can play coolant
To diffusion action so that the coolant of the suction end entering into compressor 1 carries out supercharging, improve into
Enter the pressure of gaseous coolant in compressor 1.
Throttling arrangement includes the outdoor being disposed in the interior between heat-exchanger rig and outdoor heat exchange device 2
Choke valve 5, air conditioning system also includes the first connecting pipeline and the second connecting pipeline, the first communicating pipe
Road is connected between the first end and the import of ejector 3 of outdoor choke valve 5, the second communicating pipe
Road is connected between the second end and the import of ejector 3 of outdoor choke valve 5, the first communicating pipe
Road selectively connects with the second connecting pipeline.
Can be by three between the import of the first connecting pipeline and the second connecting pipeline and ejector 3
Logical valve connection, in order to the first connecting pipeline and second connecting pipeline the first connecting pipeline and second are even
Selectivity connection between the import of siphunculus road and ejector 3.In the present embodiment, first even
It is respectively arranged with a control valve 8 on siphunculus road and the second connecting pipeline to be provided with first even
Control valve on siphunculus road is 8a, and being arranged on the control valve on the second connecting pipeline is 8b, passes through
Control control valve 8a and the state of 8b, can be easily to the first connecting pipeline and the second connection
The connected state of pipeline is controlled.
Indoor heat-exchanger rig includes multiple indoor heat exchanging pipe being arranged in parallel, each indoor heat exchanger tube
At least one indoor heat exchanger 6 it is respectively arranged with on road.Preferably, on each indoor heat exchanging pipe all
It is provided with an indoor choke valve 7 connected with the indoor heat exchanger 6 on this pipeline.In this enforcement
In example, each indoor heat exchanging pipe is respectively arranged with an indoor heat exchanger 6.
It is additionally provided with gas-liquid separator 9 between outlet and the suction end of compressor 1 of ejector 3.
Gas-liquid separator can carry out gas-liquid separation to the biphase coolant mixed in diffusion chamber 12,
Thus ensure to enter into the suction end of compressor 1 for gaseous coolant, effectively protection compressor 1,
And improve the service behaviour of compressor 1.
The exhaust end of compressor 1 is also provided with gs-oil separator.
Above-mentioned choke valve for example, electric expansion valve.
When air conditioning system is in refrigeration mode, electromagnetic valve 8a opens, and electromagnetic valve 8b closes,
Outdoor choke valve 5 aperture is standard-sized sheet.Such as accompanying drawing 2, System Working Principle is as follows:
High pressure gaseous coolant after compressor 1 compresses enters outdoor heat exchange through cross valve 4
In device 2, being condensed into high temperature high pressure liquid P1, this liquid is divided into two-way afterwards: a road is
Interior machine, now outdoor choke valve 5 standard-sized sheet, high temperature high pressure liquid P1 is flowed into through outdoor choke valve 5
By the gas-liquid two-phase state coolant that indoor choke valve 7 throttling expansion is low-temp low-pressure, finally in indoor
Heat absorption evaporation in heat exchanger 6；The low-temp low-pressure coolant P2 flowed out by indoor heat exchanger 6 is through four-way
Valve 4 flows in the injection entrance suction chamber 11 of ejector 3.
Another road is that high temperature high pressure liquid P1 enters the import of ejector 3 through control valve 8a；P1
Coolant is through the nozzle 10 blood pressure lowering speedup of ejector 3, then flows into suction chamber 11, causes suction chamber
11 parital vacuums；By siphonage, P2 coolant is cold by two phases of nozzle 10 blood pressure lowering speedup
Diffusion chamber 12 is flowed into together under the drive of matchmaker；Mixing coolant, in diffusion chamber 12 supercharging, finally flows out
The middle pressure two phase coolant P3 high compared with P2 coolant pressure.Two phase coolant P3 enter gas-liquid separation
Device 9 carries out gas-liquid separation, and isolated middle pressure gaseous coolant is compressed by compressor 1.
When air conditioning system is in heating mode, electromagnetic valve 8a closes, and electromagnetic valve 8b opens.
Such as accompanying drawing 4, System Working Principle is as follows:
High pressure gaseous coolant after compressor 1 compresses enters indoor heat exchange through cross valve 4
In device 6, being condensed into high temperature high pressure liquid, this liquid is through corresponding to each indoor heat exchanger
Indoor choke valve 7 enters outer machine system for P1 coolant after once throttling, and is divided into two-way, and a road is
It is expanded to the gas-liquid two-phase state coolant of low-temp low-pressure through outdoor choke valve 5 second throttle, exists afterwards
In outdoor heat exchange device 2, heat absorption is evaporated to low-temp low-pressure coolant P2, flows into injection through cross valve 4
In the injection entrance suction chamber 11 of device 3.
Another road is that P1 coolant enters the import of ejector 3 through electromagnetic valve 8b；P1 coolant is through spray
The nozzle 10 blood pressure lowering speedup of emitter 3, then flow into suction chamber 11, cause the local of suction chamber 11
Vacuum；By siphonage, P2 coolant is in the drive by two phase coolant of nozzle 10 blood pressure lowering speedup
Under flow into diffusion chamber 12 together；Mixing coolant is in diffusion chamber 12 supercharging, and final outflow is cold compared with P2
The middle pressure two phase coolant P3 that matchmaker's pressure is high.Two phase coolant P3 enter gas-liquid separator 9 to be carried out
Gas-liquid separation, isolated middle pressure gaseous coolant is compressed by compressor 1.
Certainly, it is above the preferred embodiment of the present invention.It should be pointed out that, and this technology is led
For the those of ordinary skill in territory, on the premise of without departing from its general principles, it is also possible to
Making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. an air conditioning system, it is characterised in that include compressor (1), indoor heat-exchanger rig,
Outdoor heat exchange device (2), throttling arrangement and ejector (3), described ejector (3) include into
Mouth, injection entrance and exit, the import of described ejector (3) is connected to described outdoor heat exchange dress
Put on the pipeline between (2) and described indoor heat-exchanger rig, the outlet of described ejector (3)
Being connected to the suction end of described compressor (1), the injection entrance of described ejector (3) is optional
It is connected to outlet or the outlet of described outdoor heat exchange device (2) of described indoor heat-exchanger rig with selecting.
Air conditioning system the most according to claim 1, it is characterised in that described air conditioning system bag
Including cross valve (4), the injection entrance of described ejector (3) is connected to described cross valve (4)
Gas returning port.
Air conditioning system the most according to claim 1, it is characterised in that described ejector (3)
Including nozzle (10), suction chamber (11) and diffusion chamber (12), described nozzle (10) and institute
Stating the inlet communication of ejector (3), described injection entrance connects with described suction chamber (11),
The outlet of described ejector (3) connects with described diffusion chamber (12).
Air conditioning system the most according to claim 1, it is characterised in that described throttling arrangement bag
Include the outdoor throttling being arranged between described indoor heat-exchanger rig and described outdoor heat exchange device (2)
Valve (5), described air conditioning system also includes the first connecting pipeline and the second connecting pipeline, described
A connecting pipe road is connected to the first end and the described ejector (3) of described outdoor choke valve (5)
Import between, described second connecting pipeline is connected to the second end of described outdoor choke valve (5)
And between the import of described ejector (3), described first connecting pipeline and described second communicating pipe
Road selectively connects.
Air conditioning system the most according to claim 4, it is characterised in that described first communicating pipe
A control valve (8) it is respectively arranged with on road and described second connecting pipeline.
Air conditioning system the most according to claim 1, it is characterised in that described indoor heat exchange dress
Put and include multiple indoor heat exchanging pipe being arranged in parallel, each described indoor heat exchanging pipe sets respectively
It is equipped with at least one indoor heat exchanger (6).
Air conditioning system the most according to claim 6, it is characterised in that each described indoor heat exchange
An indoor choke valve connected with the indoor heat exchanger (6) on this pipeline it is provided with on pipeline
(7)。
Air conditioning system the most according to any one of claim 1 to 7, it is characterised in that institute
State and be additionally provided with gas-liquid between the outlet of ejector (3) and the suction end of described compressor (1)
Separator (9).
Air conditioning system the most according to any one of claim 1 to 7, it is characterised in that institute
The exhaust end stating compressor (1) is provided with gs-oil separator.
Air conditioning system the most according to claim 4, it is characterised in that described first connection
It is connected by three-way valve between pipeline and described second connecting pipeline with described ejector (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369801.4A CN105910319B (en) | 2016-05-27 | 2016-05-27 | Air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610369801.4A CN105910319B (en) | 2016-05-27 | 2016-05-27 | Air-conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910319A true CN105910319A (en) | 2016-08-31 |
| CN105910319B CN105910319B (en) | 2018-03-20 |
Family
ID=56741689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610369801.4A Active CN105910319B (en) | 2016-05-27 | 2016-05-27 | Air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105910319B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526522A (en) * | 1991-07-23 | 1993-02-02 | Nippondenso Co Ltd | Freezing cycle |
| CN1432775A (en) * | 2002-01-15 | 2003-07-30 | 株式会社电装 | Air conditioner with injector circulation system |
| JP2010085022A (en) * | 2008-09-30 | 2010-04-15 | Daikin Ind Ltd | Refrigerating device |
| CN202938542U (en) * | 2012-11-16 | 2013-05-15 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN104089424A (en) * | 2014-07-04 | 2014-10-08 | 珠海格力电器股份有限公司 | Ejection refrigerating cycle device |
| CN105492841A (en) * | 2013-08-29 | 2016-04-13 | 株式会社电装 | Ejector-type refrigeration cycle, and ejector |
| CN205783943U (en) * | 2016-05-27 | 2016-12-07 | 珠海格力电器股份有限公司 | Air conditioning system |
-
2016
- 2016-05-27 CN CN201610369801.4A patent/CN105910319B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0526522A (en) * | 1991-07-23 | 1993-02-02 | Nippondenso Co Ltd | Freezing cycle |
| CN1432775A (en) * | 2002-01-15 | 2003-07-30 | 株式会社电装 | Air conditioner with injector circulation system |
| JP2010085022A (en) * | 2008-09-30 | 2010-04-15 | Daikin Ind Ltd | Refrigerating device |
| CN202938542U (en) * | 2012-11-16 | 2013-05-15 | 珠海格力电器股份有限公司 | Air-conditioning system |
| CN105492841A (en) * | 2013-08-29 | 2016-04-13 | 株式会社电装 | Ejector-type refrigeration cycle, and ejector |
| CN104089424A (en) * | 2014-07-04 | 2014-10-08 | 珠海格力电器股份有限公司 | Ejection refrigerating cycle device |
| CN205783943U (en) * | 2016-05-27 | 2016-12-07 | 珠海格力电器股份有限公司 | Air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105910319B (en) | 2018-03-20 |
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