CN108731311B - Compressor assembly and air conditioning system thereof - Google Patents
Compressor assembly and air conditioning system thereof Download PDFInfo
- Publication number
- CN108731311B CN108731311B CN201810765801.5A CN201810765801A CN108731311B CN 108731311 B CN108731311 B CN 108731311B CN 201810765801 A CN201810765801 A CN 201810765801A CN 108731311 B CN108731311 B CN 108731311B
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- China
- Prior art keywords
- liquid
- liquid separator
- pump body
- compressor
- inlet
- Prior art date
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Links
- 238000004378 air conditioning Methods 0.000 title claims description 14
- 239000007788 liquid Substances 0.000 claims abstract description 102
- 238000007906 compression Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 14
- 239000003507 refrigerant Substances 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The compressor assembly comprises a compression pump body, a first liquid separator, a second liquid separator, a liquid storage tank and a liquid suction pump body, wherein the first liquid separator, the second liquid separator and the liquid storage tank are connected with the compression pump body, and liquid in the second liquid separator is fed into the liquid storage tank; the inlet of the first liquid separator is connected with the inlet of the second liquid separator in parallel. The invention reduces the occurrence of liquid impact phenomenon in the compressor, increases the reliability of the compressor, reduces the noise of the compressor, and reduces the idle work of the compressor at the same time, thereby improving the energy efficiency of the air conditioner.
Description
Technical Field
The invention relates to the field of air conditioners, in particular to a compressor assembly and an air conditioning system thereof.
Background
The compressor is a core device for compressing refrigerant in an air conditioning system to participate in circulation.
The existing compressor only has one pump body component for compression process, when the variable frequency compressor tests middle cooling capacity (namely testing APF and SEER), the variable frequency compressor is generally in a low-frequency low-load running state, at the moment, because the compression process is slowed down, high-temperature and high-pressure gaseous refrigerants in an air conditioning system cannot timely exchange heat, so that the situations of few refrigerants of a condenser and more refrigerants of an evaporator exist, and when the refrigerants of the evaporator are too much, the refrigerants become a gas-liquid mixing state. The evaporator is directly connected to the compressor, so that a large amount of liquid is sucked into the compressor during low-frequency operation, the problem that the reliability is affected due to liquid impact and the like of refrigerants in the air suction cavity of the compressor is caused, the noise of the compressor is high, and the liquid refrigerants enter the pump body, so that the compressor performs idle work, the power of the compressor is improved, and the air conditioner energy efficiency is poor.
In the art, the problem of poor energy efficiency of an air conditioner at a low frequency is needed to be solved.
Disclosure of Invention
The invention aims to provide a compressor assembly and an air conditioning system thereof, wherein the compressor assembly is high in reliability and low in noise, and can reduce idle work of a compressor and increase energy efficiency.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
A compressor assembly comprises a compression pump body, a first liquid separator, a second liquid separator, a liquid storage tank and a liquid suction pump body, wherein the first liquid separator, the second liquid separator and the liquid storage tank are connected with the compression pump body; the inlet of the first liquid separator is connected with the inlet of the second liquid separator in parallel.
Preferably, the inlet of the second knockout is connected in series with an activation device via a knockout tube.
Preferably, the actuation means comprises a sensing valve.
Preferably, a check valve for preventing backflow is arranged between the outlet of the second liquid separator and the liquid suction pump body.
Preferably, the starting device further comprises a gas-liquid separation device arranged between the second liquid separator and the induction valve.
Preferably, the actuation device further comprises a drainage device arranged between the second dispenser and the induction valve.
Preferably, the liquid suction pump body is connected in series with the compression pump body.
The invention also provides an air conditioning system comprising the compressor assembly.
Preferably, the evaporator, the throttling device and the condenser are included, an outlet of the evaporator is connected with a four-way valve, and an inlet of the first liquid separator and an inlet of the second liquid separator are connected in parallel on the four-way valve.
Compared with the prior art, the invention has at least the following beneficial effects:
The compressor unit and the air conditioning system thereof can reduce the amount of liquid refrigerant entering the compressor during low-frequency operation of the air conditioner, reduce the idle work of compression and increase the energy efficiency; it is also possible to recover excess refrigerant entering the compressor; the phenomenon of liquid impact is reduced, the reliability of the compressor is improved, and the noise of the compressor is reduced.
Drawings
FIG. 1 is a system diagram of an embodiment.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Referring to FIG. 1, a schematic diagram of a compressor assembly is provided, which includes
The liquid-sucking device comprises a compression pump body 1, a first liquid dispenser 2, a second liquid dispenser 3, a liquid-sucking pump body 5 and a liquid storage tank 4, wherein the first liquid dispenser 2 is connected with the compression pump body, the second liquid dispenser 3 is connected with the liquid-sucking pump body, the liquid-sucking pump body conveys liquid refrigerant flowing in from the second liquid dispenser into the liquid storage tank, and an inlet of the first liquid dispenser 2 and an inlet of the second liquid dispenser 3 are connected in parallel.
In this embodiment, a starting device is further provided, and the starting device is connected in series with the second liquid separator 3 through a liquid separating pipeline, and can control the opening and closing of the liquid separating pipeline. The starting device comprises a sensing valve which can sense the state of the refrigerant of the compressor, and when the refrigerant is in a gas-liquid mixed state and reaches a set standard, the sensing valve is opened, and the liquid separation pipeline is opened. The starting device further comprises a gas-liquid separation device and a drainage device, wherein the gas-liquid separation device and the drainage device are arranged between the second liquid separator and the induction valve, when a refrigerant enters the liquid separation pipeline, the drainage device can provide power for the refrigerant in the liquid separation pipeline, the refrigerant can firstly undergo primary gas-liquid separation and then flow into the second liquid separator for secondary gas-liquid separation, and finally, redundant liquid refrigerant is conveyed into the liquid storage tank through the liquid absorption pump body. The compression pump body and the liquid suction pump body are connected in series and driven by a motor.
The invention also protects an air conditioning system which comprises an evaporator 8, a throttling device 9, a condenser 10, a four-way valve 20 and a compressor component which are connected by pipelines, wherein the inlet of the first liquid separator and the inlet of the second liquid separator are connected in parallel in a first channel 201 of the four-way valve, one end of the evaporator 8 is connected to a second channel 202 of the four-way valve 20, the other end of the evaporator is sequentially communicated with the throttling device 9 and the condenser 10, finally the condenser 10 is connected to a third channel 203 of the four-way valve, and a fourth channel 204 of the four-way valve is connected with an air outlet hole of the compressor. The system adds a branch of a second knockout on the original air conditioning system.
The original air conditioner operates according to the principle that a compressor is used for enabling a gaseous refrigerant to enter from a first liquid separator, a compression pump body is used for compressing the refrigerant, high-temperature and high-pressure gas is formed to enter from a fourth channel 204 of a four-way valve and then enter from a third channel 203 of the four-way valve into a condenser, liquid which can be changed into medium-temperature and high-pressure through the condenser enters a throttling device to be changed into low-temperature and low-pressure liquid, then enters an evaporator to be changed into medium-temperature and low-pressure gas, and the gas enters the compressor again from a second channel 202 of the four-way valve through a first channel 201 of the four-way valve to complete the whole circulation.
In this embodiment, the compressor assembly of the present invention is added with a liquid separating pipe, and a starting device 8 for controlling the opening or closing of the liquid separating pipe is arranged before the liquid separating pipe enters the second liquid separator 3 from the four-way valve 20, and the starting device 8 further comprises an induction valve, a gas-liquid separating device and a drainage device arranged between the induction valve and the second liquid separator. When the compressor in the air conditioner runs at low frequency, the induction valve receives signals, the starting device is started at the moment, the liquid suction pump body in the compressor starts to run, refrigerant in the air conditioner enters the liquid separation pipeline through the drainage function of the drainage device, is subjected to preliminary separation by the gas-liquid separation device, enters the liquid suction cavity of the compressor through the second liquid separator, and is discharged into the liquid storage tank for storage. The problems of high air conditioning power and low energy efficiency caused by the circulation of liquid refrigerant in an air conditioning system are solved, the phenomenon of liquid impact is reduced, noise is reduced, and the reliability of equipment is improved.
The foregoing detailed description of the invention has been provided by way of example only to assist those skilled in the art in understanding the invention and is not to be construed as limiting the scope of the invention. Various modifications, equivalent changes, etc. which are made by those skilled in the art to the above-described embodiments under the inventive concept should be included in the scope of the present invention.
Claims (6)
1. The utility model provides a compressor assembly, includes compression pump body (1), with first knockout (2) that compression pump body (1) are connected, its characterized in that still includes: the liquid sucking pump comprises a second liquid separator (3), a liquid storage tank (4) and a liquid sucking pump body (5) for conveying liquid in the second liquid separator (3) into the liquid storage tank (4);
the inlet of the first liquid separator (2) is connected with the inlet of the second liquid separator (3) in parallel;
the inlet of the second liquid separator (3) is connected in series with a starting device (6) through a liquid separating pipeline;
the starting device (6) comprises a sensing valve;
the starting device (6) further comprises a drainage device arranged between the second liquid dispenser (3) and the induction valve;
The induction valve is used for inducing the state of the refrigerant in the compression pump body (1), and when the refrigerant is in a gas-liquid mixed state, the induction valve is opened, and the liquid distribution pipeline is opened.
2. The compressor assembly of claim 1, wherein: a one-way valve (7) for preventing backflow is arranged between the outlet of the second liquid separator (3) and the liquid suction pump body (5).
3. The compressor assembly of claim 1 or 2, wherein: the starting device (6) further comprises a gas-liquid separation device arranged between the second liquid separator (3) and the induction valve.
4. The compressor assembly of claim 1, wherein: the liquid suction pump body (5) is connected with the compression pump body (1) in series.
5. An air conditioning system, comprising: the compressor assembly of any one of claims 1-4.
6. An air conditioning system according to claim 5, wherein: the device comprises an evaporator (8), a throttling device (9) and a condenser (10), wherein an outlet of the evaporator is connected with a four-way valve (20), and an inlet of the first liquid separator (2) and an inlet of the second liquid separator (3) are connected in parallel on the four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765801.5A CN108731311B (en) | 2018-07-12 | 2018-07-12 | Compressor assembly and air conditioning system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810765801.5A CN108731311B (en) | 2018-07-12 | 2018-07-12 | Compressor assembly and air conditioning system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108731311A CN108731311A (en) | 2018-11-02 |
| CN108731311B true CN108731311B (en) | 2024-05-10 |
Family
ID=63926297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810765801.5A Active CN108731311B (en) | 2018-07-12 | 2018-07-12 | Compressor assembly and air conditioning system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108731311B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798701B (en) * | 2019-03-21 | 2023-09-12 | 珠海格力电器股份有限公司 | Air conditioner control system and method for continuous heating and air conditioner |
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| CN201724459U (en) * | 2010-02-08 | 2011-01-26 | 珠海格力电器股份有限公司 | Compression device |
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| JP5200593B2 (en) * | 2008-03-13 | 2013-06-05 | アイシン精機株式会社 | Air conditioner |
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- 2018-07-12 CN CN201810765801.5A patent/CN108731311B/en active Active
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| JPH09133439A (en) * | 1995-11-06 | 1997-05-20 | Matsushita Electric Ind Co Ltd | Method and device for controlling accumulator |
| JPH10185334A (en) * | 1996-12-20 | 1998-07-14 | Daikin Ind Ltd | Refrigerating equipment |
| CN1208823A (en) * | 1997-06-24 | 1999-02-24 | 三菱电机株式会社 | Liquid container |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108731311A (en) | 2018-11-02 |
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