CN104729130B - Air conditioning system and control method thereof - Google Patents
Air conditioning system and control method thereof Download PDFInfo
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- CN104729130B CN104729130B CN201310728551.5A CN201310728551A CN104729130B CN 104729130 B CN104729130 B CN 104729130B CN 201310728551 A CN201310728551 A CN 201310728551A CN 104729130 B CN104729130 B CN 104729130B
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- conditioning system
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- air conditioning
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 230000008676 import Effects 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 abstract description 10
- 241000521257 Hydrops Species 0.000 description 5
- 206010030113 Oedema Diseases 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 239000006200 vaporizer 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
- 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
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
-
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/24—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/02—Compression machines, plants or systems with non-reversible cycle with compressor of reciprocating-piston type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B2400/07—Details of compressors or related parts
- F25B2400/074—Details of compressors or related parts with multiple cylinders
-
- 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
- F25B2600/026—Compressor control by controlling unloaders
- F25B2600/0261—Compressor control by controlling unloaders external to the compressor
-
- 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
- F25B2600/25—Control of valves
- F25B2600/2519—On-off 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioning system and a control method of the air conditioning system. The air conditioning system comprises a double-cylinder variable-capacity compressor, wherein the double-cylinder variable-capacity compressor is provided with an upper cylinder air suction port, a lower cylinder air suction port and an exhaust port; the air conditioning system also comprises a first electromagnetic valve, one end of the first electromagnetic valve is connected with an exhaust port of the double-cylinder variable volume compressor, and the other end of the first electromagnetic valve is respectively connected with the one-way valve and a lower cylinder air suction port of the double-cylinder variable volume compressor; one end of the one-way valve is connected with the electromagnetic valve, and the other end of the one-way valve is connected into the inner cavity of the gas-liquid separator; the air conditioning system also comprises a second electromagnetic valve which is arranged in a pipeline connecting a lower cylinder air suction port of the double-cylinder variable-capacity compressor to an inlet of the gas-liquid separator. According to the technical scheme, a liquid discharge bypass pipeline with an electromagnetic valve is additionally arranged between the air suction port of the lower air cylinder of the double-cylinder variable-capacity compressor and the inlet of the gas-liquid separator, and the high-pressure refrigerant on the air suction side of the lower air cylinder is decompressed to the gas-liquid separator through the liquid discharge bypass, so that the stability of the system when the single cylinder is switched to the double-cylinder operation is optimized.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air conditioning system and the control method of air conditioning system.
Background technology
A kind of existing air conditioning system is as shown in figure 1, including condenser 10, vaporizer 20, transfiguration frequency-changeable compressor 30, throttling
Device 40, cross valve 60, electromagnetic valve 70, check valve 50, wherein transfiguration frequency-changeable compressor 30 are by check valve 50 and electromagnetic valve
What 70 action was switched over.When electromagnetic valve 70 is opened, the high pressure refrigerant of exhaust side is circulated to compressor lower cylinder air entry,
Lower cylinder suction end is set to form high pressure, transfiguration frequency-changeable compressor 30 realizes that single cylinder runs；When electromagnetic valve 70 is closed, gas-liquid separation
The low pressure refrigerant of device is circulated to lower cylinder air entry, makes lower cylinder air entry form low pressure, and transfiguration frequency-changeable compressor switches to double
Cylinder runs.
The weak point that above-mentioned prior art is present：
(1), when single cylinder operation switches to twin-tub or multi-cylinder runs, closed electromagnetic valve, but due to lower cylinder air entry
High pressure conditions are still within to the connecting tube of electromagnetic valve, due to there is pressure differential, check valve is in cut-off state, and it is low that vapour divides
Pressure coolant cannot be circulated to lower cylinder, easily so that single cylinder operation to switch to twin-tub runtime system unstable.
(2), single cylinder run when, compressor lower cylinder to the connecting tube between electromagnetic valve be high-pressure side, but due to coolant at
In resting state, lower the temperature as ambient temperature exchanges heat, when the time is longer, coolant is easily condensed into liquid, if now switching to
When twin-tub runs, liquid refrigerants will flow to lower cylinder, make lower cylinder cause liquid hammer, and to compressor infringement is brought.
(3), in order to solve the problems, such as aforementioned (1), if increasing by one at the connecting tube of lower cylinder air entry and electromagnetic valve
Capillary is connected to vapour point import, and when single cylinder operation switches to twin-tub operation, the high pressure refrigerant of lower cylinder air entry passes through hair
Tubule pressure release makes lower cylinder air entry be low pressure refrigerant to vapour point import, and switching is able to easy success, but because capillary tube is
Therefore permanent communication, circulating refrigerant can be reduced, so that heat exchange amount has loss.
The content of the invention
The present invention is intended to provide the control method of a kind of air conditioning system and air conditioning system, to solve air-conditioning of the prior art
System is compressed in the transformation process that the operation of machine single cylinder runs with twin-tub the problem for handoff failure easily occur.
To achieve these goals, according to an aspect of the invention, there is provided a kind of air conditioning system, including twin-tub transfiguration
Compressor, double-cylinder variable-capacity compressor has upper cylinder air entry, lower cylinder air entry and air vent；Air conditioning system also includes first
Electromagnetic valve, first electromagnetic valve one end connects the air vent of double-cylinder variable-capacity compressor, and the other end connects respectively check valve and twin-tub becomes
The lower cylinder air entry of positive displacement compressor；One end of check valve connects the first electromagnetic valve, and the other end accesses the inner chamber of gas-liquid separator；
Air conditioning system also includes that the second electromagnetic valve is arranged on the lower cylinder air entry of connection double-cylinder variable-capacity compressor to gas-liquid separator
In the pipeline of import.
Further, also include, capillary tube, be arranged in series with the second electromagnetic valve.
Further, also include, temperature sensor, in being arranged on the pipeline of lower cylinder air entry.
Further, also include, high pressure sensor, in being arranged on the pipeline of air vent.
According to a further aspect in the invention, there is provided a kind of control method of air conditioning system, above-mentioned air conditioning system is applied to,
Including：Step 10, when double-cylinder variable-capacity compressor is in single cylinder running status and has demand to switch to twin-tub running status, connection
The pipeline of the lower cylinder air entry of double-cylinder variable-capacity compressor to gas-liquid separator import.
The pipe of the lower cylinder air entry to gas-liquid separator import of connection double-cylinder variable-capacity compressor is opened by the second electromagnetic valve
Road, the first electromagnetic valve is turned off Jing after time ts.
Further, also include, step 20, after compressor is in single cylinder running status over-time t1, often through t2
Time compares lower cylinder air entry temperature TUnderWith temperature T of the air vent of compressorIt is highIf, TUnder≤TIt is highThen the second electromagnetic valve is opened
Close after continuing the t3 times.
Further, the time ts in step 10 is related to outdoor environment temperature TW, when TW >=A DEG C, ts=t5；Work as B
DEG C≤TW ＜ A DEG C when, ts=t6；As TW ＜ B DEG C, ts=t7；Wherein t5, t6, t7 are Preset Time constant, and A, B are default
Thermal constant.
Further, step 10 also includes：Second closed electromagnetic valve after first closed electromagnetic valve t4 times.
Using technical scheme, in double-cylinder variable-capacity compressor lower cylinder air entry between gas-liquid separator import
Increase the discharge opeing bypass line with electromagnetic valve all the way to connect, the high pressure refrigerant pressure release lower cylinder suction side is bypassed by discharge opeing
To gas-liquid separator, optimize single cylinder and run the stability that system when switching is run to twin-tub.
Description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and the present invention's shows
Meaning property embodiment and its illustrated for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 shows transfiguration frequency-changeable compressor air conditioning system of the prior art；
Fig. 2 shows the air conditioning system of the present invention；And
Fig. 3 shows the flow chart of the control method of the air conditioning system of the present invention.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the present invention in detail.
It is shown in Figure 2, the present invention on the basis of existing technology, in double-cylinder variable-capacity compressor lower cylinder air entry to gas
Liquid/gas separator import increase discharge opeing bypass line connection all the way, the discharge opeing bypass line mainly includes capillary tube, the second electromagnetic valve
72, and increase high pressure sensor 100 to detect condensation temperature T in double-cylinder variable-capacity compressor exhaust sideIt is high, at lower cylinder air entry
Increase temperature sensor 90 as detection tool detection lower cylinder air entry temperature TUnder.Discharge opeing bypass pipe is opened under specific circumstances
Second electromagnetic valve 72 on road, to carry out the action of pressure release and discharge opeing.When lower cylinder air entry is in hydrops state, by automatic
Detection, can drain into gas-liquid separator compressor lower cylinder to the liquid refrigerants of the connecting tube between the first electromagnetic valve 71.In list
When cylinder operation switches to twin-tub and runs, bypassed the high pressure refrigerant pressure release of lower cylinder suction side to gas-liquid separator by discharge opeing,
Make single cylinder run successful switch to run to twin-tub, the stability of system when improving switchover operation.
Shown in Figure 2, air conditioning system of the present invention includes double-cylinder variable-capacity compressor 30 and gas-liquid separator, twin-tub transfiguration pressure
Contracting machine 30 draws three tunnels：Upper cylinder air entry, lower cylinder air entry and air vent.Double-cylinder variable-capacity compressor 30, the first heat exchange
Device 10, orifice union 40 and second heat exchanger 20 connect into loop.Air conditioning system also includes cross valve 60, the first electromagnetic valve
71st, check valve 50.First Heat Exchanger 10 connects double-cylinder variable-capacity compressor 30 with the second heat exchanger 20 by the selectivity of cross valve 60,
The one end of first electromagnetic valve 71 connects the air vent of double-cylinder variable-capacity compressor 30, and the other end connects respectively check valve 50 and lower cylinder is inhaled
QI KOU；One end of check valve 50 is connected to the pipeline that the first electromagnetic valve 71 leads to lower cylinder air entry, and the other end accesses gas-liquid point
From device inner chamber, the permission flow direction of check valve 50 is from gas-liquid separator to lower cylinder air entry.Invention increases all the way second
The branch road of electromagnetic valve 72 and capillary tube composition connected in series, is connected to the pipeline and gas-liquid point of compressor lower cylinder air entry
Between the pipeline of device gas-liquid separator import.
The effect of capillary tube in discharge opeing bypass circulation is the flow for controlling discharge opeing.Crossing thick too short capillary flow rate can mistake
Greatly, lower cylinder pressure drop is caused, insufficient pressure can be such that single cylinder operation continues, and change to twin-tub operation；It is meticulous long
Capillary flow rate can be too small, cause drain age velocity excessively slow, discharge opeing action can not be completed within the formulation time；So discharge opeing bypass
Loop needs a moderate capillary tube.
Shown in Figure 3, the control method of the air conditioning system of the present invention includes：
(1) when compressor runs in single cylinder, and after compressor single cylinder run time is more than the t1 times, often when t2
Between compare TUnderAnd TIt is highIf, TUnder≤TIt is highThen judge air entry pipeline hydrops under unit, then when the second electromagnetic valve 72 is opened and continues t3
Between after close, with reach interval discharge opeing effect.
(2) when compressor runs in single cylinder, and when having demand to switch to twin-tub operation, the second electromagnetic valve opens the ts times
After turn off the first electromagnetic valve, the second closed electromagnetic valve after the first closed electromagnetic valve t4 times, to reach pressure release effect.
(3) the ts times and outdoor environment because the hydrops situation of different outdoor environment temperature TW is different, in step (2)
Temperature is related, is exemplified below：(A, B are preset temperature constant, can be determined through experiment.)
A) when TW >=A DEG C, ts=t5；
B) as B DEG C≤TW ＜ A DEG C, ts=t6；
C) as TW ＜ B DEG C, ts=t7.(above t1, t2, t3, t4, t5, t6, t7 are Preset Time, can be true through experiment
It is fixed.)
The present invention be using with vapour liquid separator twin-tub or twin-tub more than frequency-changeable compressor combine transfiguration technology come
Expand the range of accommodation of cooling system/heating capacity.The bypass branch effect of the second electromagnetic valve and capillary tube composition is mainly：When
When first electromagnetic valve needs to close, the second electromagnetic valve is opened the pressure of pipeline between lower cylinder air entry and the first electromagnetic valve
Drop to it is consistent with low pressure, to ensure that compressor switches to rapidly twin-tub after the first closed electromagnetic valve.When unit is transported in single cylinder
When row, by the temperature of the pipeline temperature detector detection of air entry under compressor and the high pressure temperature of high pressure sensor detection
Lower air entry whether hydrops is may determine that, the second electromagnetic valve is just driven for a period of time when hydrops is determined, can play prevents
There is the effect of liquid hammer when switching twin-tub after compressor single cylinder longtime running.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (9)
1. a kind of air conditioning system, including double-cylinder variable-capacity compressor (30), the double-cylinder variable-capacity compressor (30) is inhaled with upper cylinder
QI KOU, lower cylinder air entry and air vent；The air conditioning system also includes the first electromagnetic valve (71), first electromagnetic valve (71)
One end connects the air vent of the double-cylinder variable-capacity compressor (30), and the other end connects respectively check valve (50) and the twin-tub transfiguration
The lower cylinder air entry of compressor (30)；One end of the check valve (50) connects first electromagnetic valve (71), another termination
Enter the inner chamber of gas-liquid separator；
Characterized in that, the air conditioning system also includes, the second electromagnetic valve (72) is arranged on the connection double-cylinder variable-capacity compressor
(30) in the pipeline of lower cylinder air entry to gas-liquid separator import.
2. air conditioning system according to claim 1, it is characterised in that also include, capillary tube, with second electromagnetic valve
(72) it is arranged in series.
3. air conditioning system according to claim 1, it is characterised in that also include, temperature sensor (90), is arranged on described
In the pipeline of lower cylinder air entry.
4. air conditioning system according to claim 1, it is characterised in that also include that high pressure sensor (100) is arranged on institute
In stating the pipeline of air vent.
5. a kind of control method of air conditioning system, it is characterised in that be applied in Claims 1-4 air-conditioning described in any one
System, including：Step 10, when double-cylinder variable-capacity compressor (30) is in single cylinder running status and has demand to switch to twin-tub operation shape
During state, the pipeline of the lower cylinder air entry to gas-liquid separator import of the double-cylinder variable-capacity compressor (30) is connected.
6. the control method of air conditioning system according to claim 5, it is characterised in that electric by second in the step 10
Magnet valve (72) opens the pipeline of the lower cylinder air entry to gas-liquid separator import of the connection double-cylinder variable-capacity compressor (30), Jing
The first electromagnetic valve (71) is turned off after time ts.
7. the control method of air conditioning system according to claim 6, it is characterised in that also include, step 20, work as compressor
After single cylinder running status over-time t1, often compare lower cylinder air entry temperature T through the t2 timesUnderWith the compressor
Temperature T of air ventIt is highIf, TUnder≤TIt is highThen the second electromagnetic valve (72) is closed after opening and continuing the t3 times.
8. the control method of air conditioning system according to claim 6, it is characterised in that the time ts in the step 10 with
Outdoor environment temperature TW is related, when TW >=A DEG C, ts=t5；As B DEG C≤TW ＜ A DEG C, ts=t6；As TW ＜ B DEG C, ts
=t7；Wherein t5, t6, t7 are Preset Time constant, and A, B are preset temperature constant.
9. the control method of air conditioning system according to claim 6, it is characterised in that the step 10 also includes：First
The second electromagnetic valve (72) is closed after electromagnetic valve (71) closes the t4 times.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728551.5A CN104729130B (en) | 2013-12-24 | 2013-12-24 | Air conditioning system and control method thereof |
| ES14875380T ES2717515T3 (en) | 2013-12-24 | 2014-10-15 | Air conditioning system and method to control an air conditioning system |
| EP14875380.9A EP3091311B1 (en) | 2013-12-24 | 2014-10-15 | Air-conditioning system and method for controlling air-conditioning system |
| PCT/CN2014/088670 WO2015096539A1 (en) | 2013-12-24 | 2014-10-15 | Air-conditioning system and method for controlling same |
| JP2016542927A JP6498677B2 (en) | 2013-12-24 | 2014-10-15 | Air conditioner system and control method of air conditioner system |
| TR2019/05512T TR201905512T4 (en) | 2013-12-24 | 2014-10-15 | Air conditioning system and method for controlling the air conditioning system. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728551.5A CN104729130B (en) | 2013-12-24 | 2013-12-24 | Air conditioning system and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104729130A CN104729130A (en) | 2015-06-24 |
| CN104729130B true CN104729130B (en) | 2017-05-10 |
Family
ID=53453275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310728551.5A Active CN104729130B (en) | 2013-12-24 | 2013-12-24 | Air conditioning system and control method thereof |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP3091311B1 (en) |
| JP (1) | JP6498677B2 (en) |
| CN (1) | CN104729130B (en) |
| ES (1) | ES2717515T3 (en) |
| TR (1) | TR201905512T4 (en) |
| WO (1) | WO2015096539A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485991B (en) * | 2016-01-04 | 2018-07-24 | 珠海格力电器股份有限公司 | Variable-capacity compressor system, control method and air conditioner |
| CN105650925B (en) * | 2016-01-14 | 2018-03-30 | 安徽美芝精密制造有限公司 | refrigeration system and its control method |
| ITUB20160682A1 (en) * | 2016-03-01 | 2017-09-01 | Evolving Living Innovation Center Elic S R L | HEAT PUMP EQUIPMENT FOR REPLACEMENT OF AIR IN HOME PREMISES AND ITS OPERATING METHOD |
| CN105627615B (en) * | 2016-03-03 | 2018-11-27 | 广东美的制冷设备有限公司 | The control method of air-conditioning system and air-conditioning system |
| CN105698456B (en) * | 2016-03-21 | 2018-02-13 | 珠海格力电器股份有限公司 | Variable capacity compressor system control method |
| CN106152342B (en) * | 2016-07-04 | 2020-12-04 | 珠海格力电器股份有限公司 | Variable-displacement-ratio two-stage compression air conditioning system and control method thereof |
| CN106595138A (en) * | 2016-10-17 | 2017-04-26 | 珠海格力电器股份有限公司 | Air conditioning system and method for reducing liquid storage of gas-liquid separator |
| CN106403373A (en) * | 2016-10-19 | 2017-02-15 | 珠海格力电器股份有限公司 | Heat pump system, control method and refrigerating unit |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6498677B2 (en) | 2019-04-10 |
| JP2017502247A (en) | 2017-01-19 |
| WO2015096539A1 (en) | 2015-07-02 |
| EP3091311B1 (en) | 2019-02-27 |
| EP3091311A4 (en) | 2017-09-20 |
| EP3091311A1 (en) | 2016-11-09 |
| ES2717515T3 (en) | 2019-06-21 |
| CN104729130A (en) | 2015-06-24 |
| TR201905512T4 (en) | 2019-05-21 |
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