CN110440472A - A kind of cooling cycle system of partial phase change - Google Patents
A kind of cooling cycle system of partial phase change Download PDFInfo
- Publication number
- CN110440472A CN110440472A CN201910612173.1A CN201910612173A CN110440472A CN 110440472 A CN110440472 A CN 110440472A CN 201910612173 A CN201910612173 A CN 201910612173A CN 110440472 A CN110440472 A CN 110440472A
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- Prior art keywords
- gas
- phase change
- cooling cycle
- cycle system
- pressure medium
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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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
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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
- F25B41/40—Fluid line arrangements
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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
- 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
- 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
- F25B2700/19—Pressures
-
- 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
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- 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)
Abstract
The present invention relates to refrigerant cycle apparatus fields, more particularly to a kind of cooling cycle system of partial phase change, including compressor and the oil eliminator of compressor output end is set, further include the gas cooler being successively set on the pipeline of oil eliminator output end, pressure high temperature hot gas is processed into the mixture of the gas of high pressure medium temperature and the refrigerant liquid of partial condensation；The high pressure medium temperature gas that gas cooler exports is converted into low pressure medium temperature gas by regulating valve；The refrigerant liquid of partial condensation after regulating valve and low pressure medium temperature gas mixing are made low pressure medium temperature gas absorb the refrigerant liquid final output low-pressure low-temperature gas of partial condensation by evaporation mixer.Since the not excessive phase transformation of the system generates, the refrigeration equipment needed is few, refrigerant charge is few, and the occupied area of entire refrigeration system is smaller.The system is suitble to conventional func test, especially prolonged operating test, not excessive cold and hot exchange, so that power consumption is few.
Description
Technical field
The present invention relates to refrigerant cycle apparatus field more particularly to a kind of cooling cycle systems of partial phase change.
Background technique
In recent years, the construction of the compressor test unit of coolant compressor producer is more and more, according to standard GB/T
The requirement of 5773 " positive displacement refrigerant compressor method for testing performances ", such experimental rig need to usually use two kinds of test methods
Combination is tested, if only single performance test method or operation test method, can be used simple under certain condition
Cooling cycle system --- the cooling cycle system of partial phase change, it is more applicable particularly with helical-lobe compressor.Helical-lobe compressor
Flow is bigger than normal, and pipeline and device configuration are more.
Complete refrigerant-cycle systems include four big components: compressor, condenser, expansion valve and evaporator.Compressor
The high pressure, high temperature refrigerant overheated gas that exhaust outlet comes out after condenser heat exchange condensation (discharge heat), high pressure medium temperature
Refrigerant liquid becomes the vehicle repair major state of low-temp low-pressure after expansion valve throttles, and (absorbs into heat exchange evaporation in evaporator
Heat) afterwards as the refrigerant superheat gas of low pressure medium temperature.Condenser portion need to provide cold source heat exchange, and evaporator section needs to provide
Heat source heat exchange, to maintain the cold and hot balance of circulation.
In our standard GB/T/T 5773 " positive displacement refrigerant compressor method for testing performance ", to performance test
Test method require be 2 kinds of different test philosophies method combination.But other national requirements are different in the world, are not all these
The requirement of sample, a kind of test method of some requirements.Therefore, it is badly in need of a kind of more easy system realization detection.
Summary of the invention
For the testing process except acquisition standard, for this purpose, the present invention provides a kind of cooling cycle system of partial phase change.
To achieve the above object, the invention adopts the following technical scheme:
Including compressor and the oil eliminator of compressor output end is arranged in a kind of cooling cycle system of partial phase change,
It further include being successively set on the pipeline of oil eliminator output end
Pressure high temperature hot gas is processed into the gas of high pressure medium temperature and the refrigerant liquid of partial condensation by gas cooler
Mixture；
The high pressure medium temperature gas that gas cooler exports is converted into low pressure medium temperature gas by regulating valve；
Evaporation mixer makes the refrigerant liquid of the partial condensation after regulating valve and low pressure medium temperature gas mixing
The refrigerant liquid final output low-pressure low-temperature gas of low pressure medium temperature gas absorption partial condensation.
Optimization, it is provided between evaporation mixer and the input terminal of compressor for low-pressure low-temperature gas to be reduced to
The suction heat exchanger of set temperature, gas in suction heat exchanger without phase-change.
Optimization, the heat exchange refrigerating medium in the suction heat exchanger is water, and water temperature and flow are adjustable.
Optimization, pressure reducing valve is additionally provided between the output end and gas cooler of the oil eliminator.
Optimization, flowmeter is additionally provided on the pipeline between the evaporation mixer and suction heat exchanger.
Optimization, the heat exchange refrigerating medium in the gas cooler is water
Optimization, the temperature and flow of the heat exchange refrigerating medium in the gas cooler are adjustable.
Optimization, the first detection is provided on the pipeline of the input terminal connection of the compressor output end and oil eliminator
Point is provided with the second test point, the pipe between evaporation mixer and suction heat exchanger between the gas cooler and regulating valve
Road is provided with third test point, the output end of suction heat exchanger and compressor into the 4th test point is arranged between cold air end.
Optimization, the 5th test point is provided on the pipeline of the pressure reducing valve output end.
The present invention has the advantages that
(1) present invention compared with the existing technology include two distinctive points, first be gas cooler on gas exhaust piping
Rather than overheated gas is mainly cooled down but not exclusively arrives condensation temperature point, only a small amount of gas by condenser, gas cooler
It is condensed into liquid, at this time the inlet temperature height and uninterrupted of main control heat exchange refrigerating medium, the inlet temperature of refrigerating medium
Close to the condensation temperature point of refrigerant；Second is that evaporation mixer does not need additional heat resource equipment, only leans on the heat exchange of itself, because
It is gas-liquid mixture to enter the refrigerant of evaporation mixer, the two there are certain temperature difference leads to that heat exchange occurs.Due to this
The not excessive phase transformation of system generates, and the refrigeration equipment needed is few, refrigerant charge is few, the occupied area of entire refrigeration system
It is smaller.The system is suitble to conventional func test, especially prolonged operating test, not excessive cold and hot exchange, to consume
Electricity is few.
(2) if the temperature of the outlet overheated gas of evaporation mixer is still higher, can continue to exchange heat in suction heat exchanger
The temperature and flow of heat exchange refrigerating medium are controlled in cooling, but the not generation of phase transformation.
(3) when the refrigerant in the circulatory system is high-pressure refrigerant, pressure reducing valve is reduced in compressor air-discharging end pipe road
Pressure, after decompression, conventional equipment is just can be used in the equipment after pressure reducing valve, to reduce use cost.
(4) when the temperature of the outlet overheated gas of evaporation mixer is still higher, suction heat exchanger can continue heat exchange cooling,
In this process, the water temperature and water of cold source are controlled, gas is without phase-change.
(5) by applying the detection of sensor, to adjust the flow and temperature of heat exchange refrigerating medium.
Detailed description of the invention
Fig. 1 is the system connection schematic diagram of embodiment 1.
Fig. 2 is the pressure enthalpy diagram of the system in embodiment 1.
Fig. 3 is the system connection schematic diagram of embodiment 2.
Fig. 4 is the pressure enthalpy diagram of the system in embodiment 2.
Component each in figure is described as follows:
1- compressor 2- oil eliminator 3- gas cooler 4- regulating valve 5- evaporation mixer
6- suction heat exchanger 7- flowmeter 8- pressure reducing valve
F1- the first test point f2- the second test point f3- third test point
The 5th test point of the 4th test point g3- of g1-
Specific embodiment
Embodiment 1
As shown in Figs. 1-2, a kind of cooling cycle system of partial phase change, including compressor 1 and setting it is defeated in compressor 1
The oil eliminator 2 of outlet, further include the gas cooler 3 being successively set on the pipeline of 2 output end of oil eliminator, regulating valve 4,
Evaporation mixer 5.Pressure high temperature hot gas is processed into the gas of high pressure medium temperature and the refrigerant liquid of partial condensation by gas cooler 3
The mixture of body.The high pressure medium temperature gas that gas cooler 3 exports is converted into low pressure medium temperature gas by regulating valve 4.Evaporation mixing
The refrigerant liquid of partial condensation after regulating valve 4 and low pressure medium temperature gas mixing absorb low pressure medium temperature gas by device 5
The refrigerant liquid final output low-pressure low-temperature gas of partial condensation.
It is provided between evaporation mixer 5 and the input terminal of compressor 1 for low-pressure low-temperature gas to be reduced to setting
The suction heat exchanger 6 of temperature, gas in suction heat exchanger 6 without phase-change.Heat exchange refrigerating medium in the suction heat exchanger 6 is
Water, and water temperature and flow are adjustable.
Flowmeter 7 is additionally provided on pipeline between the evaporation mixer 5 and suction heat exchanger 6.
Heat exchange refrigerating medium in the gas cooler 3 is water, and water temperature and flow are adjustable.
The first test point f1, institute are provided on the pipeline that 1 output end of compressor is connect with the input terminal of oil eliminator 2
It states and is provided with the second test point f2 between gas cooler 3 and regulating valve 4, the pipe between evaporation mixer 5 and suction heat exchanger 6
Road is provided with third test point f3, the output end of suction heat exchanger 6 and detecting into setting the 4th between cold air end for compressor 1
Point g1.It is provided with temperature sensor and pressure sensor at each test point, the pressure at each point position is corresponded in Fig. 2
Power-enthalpy corresponding points.
Embodiment 2
When the refrigerant in the circulatory system is high-pressure refrigerant, for example R410a, difference from Example 1 are, such as
Shown in Fig. 3, pressure reducing valve 8 is additionally provided between the output end and gas cooler 3 of the oil eliminator 2.Pressure reducing valve 8 reduces compression
Pressure in 1 exhaust end pipeline of machine, after decompression, pressure is in 32bar hereinafter, the equipment pressure resistance in this way after pressure reducing valve just can be used often
Advise equipment.The 5th test point g3 is also set up after pressure reducing valve 8, and pressure-enthalpy corresponding points at each point position are corresponded in Fig. 4.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.
Claims (9)
1. including compressor (1) and the oil in compressor (1) output end is arranged in a kind of cooling cycle system of partial phase change
From device (2), which is characterized in that further include being successively set on the pipeline of oil eliminator (2) output end
Pressure high temperature hot gas is processed into the gas of high pressure medium temperature and the refrigerant liquid of partial condensation by gas cooler (3)
Mixture；
The high pressure medium temperature gas that gas cooler (3) export is converted into low pressure medium temperature gas by regulating valve (4)；
Evaporation mixer (5), will by the refrigerant liquid of the partial condensation after regulating valve (4) and low pressure medium temperature gas mixing,
Low pressure medium temperature gas is set to absorb the refrigerant liquid final output low-pressure low-temperature gas of partial condensation.
2. a kind of cooling cycle system of partial phase change according to claim 1, which is characterized in that in evaporation mixer
(5) suction heat exchanger for low-pressure low-temperature gas to be reduced to set temperature is provided between the input terminal of compressor (1)
(6), gas in suction heat exchanger (6) without phase-change.
3. a kind of cooling cycle system of partial phase change according to claim 2, which is characterized in that the suction heat exchanger
(6) the heat exchange refrigerating medium in is water, and water temperature and flow are adjustable.
4. a kind of cooling cycle system of partial phase change according to claim 1, which is characterized in that the oil eliminator
(2) pressure reducing valve (8) are additionally provided between output end and gas cooler (3).
5. a kind of cooling cycle system of partial phase change according to claim 1, which is characterized in that the evaporation mixer
(5) flowmeter (7) are additionally provided on the pipeline between suction heat exchanger (6).
6. a kind of cooling cycle system of partial phase change according to claim 1, which is characterized in that the gas cooler
(3) the heat exchange refrigerating medium in is water.
7. a kind of cooling cycle system of partial phase change according to claim 6, which is characterized in that the gas cooler
(3) temperature and flow of the heat exchange refrigerating medium in are adjustable.
8. a kind of cooling cycle system of partial phase change according to claim 1, which is characterized in that the compressor (1)
It is provided on the pipeline that output end is connect with the input terminal of oil eliminator (2) the first test point (f1), the gas cooler (3)
It is provided between regulating valve (4) the second test point (f2), on the pipeline between evaporation mixer (5) and suction heat exchanger (6)
It is provided with third test point (f3), the output end of suction heat exchanger (6) and being examined into setting the 4th between cold air end for compressor (1)
Measuring point (g1).
9. a kind of cooling cycle system of partial phase change according to claim 4, which is characterized in that the pressure reducing valve (8)
The 5th test point (g3) is provided on the pipeline of output end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612173.1A CN110440472A (en) | 2019-07-08 | 2019-07-08 | A kind of cooling cycle system of partial phase change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910612173.1A CN110440472A (en) | 2019-07-08 | 2019-07-08 | A kind of cooling cycle system of partial phase change |
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| Publication Number | Publication Date |
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| CN110440472A true CN110440472A (en) | 2019-11-12 |
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ID=68429882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910612173.1A Pending CN110440472A (en) | 2019-07-08 | 2019-07-08 | A kind of cooling cycle system of partial phase change |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577589A (en) * | 2020-04-30 | 2020-08-25 | 广州东弛自动化设备有限公司 | Compressor testing method and system in refrigerant gas circulation mode |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08296930A (en) * | 1995-02-28 | 1996-11-12 | Nippondenso Co Ltd | Detecting device of abnormality of refrigerant compressor |
| CN1259198A (en) * | 1997-06-11 | 2000-07-05 | 美国标准公司 | Start-up method and apparatus in refrigeration chillers |
| JP2008057821A (en) * | 2006-08-30 | 2008-03-13 | Daikin Ind Ltd | Refrigerating device |
| CN101384870A (en) * | 2006-02-17 | 2009-03-11 | 大金工业株式会社 | Air conditioner |
| CN101603751A (en) * | 2009-07-15 | 2009-12-16 | 北京科技大学 | A kind of frequency conversion energy-saving control method of refrigeration system |
| CN102313317A (en) * | 2010-07-05 | 2012-01-11 | 乐金电子(天津)电器有限公司 | Air conditioner with anti-liquid-impact regulating device |
| CN104633796A (en) * | 2013-11-11 | 2015-05-20 | 美的集团股份有限公司 | Air conditioner system and control method |
| CN109923356A (en) * | 2016-11-22 | 2019-06-21 | 丹佛斯有限公司 | The method of vapor compression system is controlled during gas bypass valve failure |
-
2019
- 2019-07-08 CN CN201910612173.1A patent/CN110440472A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08296930A (en) * | 1995-02-28 | 1996-11-12 | Nippondenso Co Ltd | Detecting device of abnormality of refrigerant compressor |
| CN1259198A (en) * | 1997-06-11 | 2000-07-05 | 美国标准公司 | Start-up method and apparatus in refrigeration chillers |
| CN101384870A (en) * | 2006-02-17 | 2009-03-11 | 大金工业株式会社 | Air conditioner |
| JP2008057821A (en) * | 2006-08-30 | 2008-03-13 | Daikin Ind Ltd | Refrigerating device |
| CN101603751A (en) * | 2009-07-15 | 2009-12-16 | 北京科技大学 | A kind of frequency conversion energy-saving control method of refrigeration system |
| CN102313317A (en) * | 2010-07-05 | 2012-01-11 | 乐金电子(天津)电器有限公司 | Air conditioner with anti-liquid-impact regulating device |
| CN104633796A (en) * | 2013-11-11 | 2015-05-20 | 美的集团股份有限公司 | Air conditioner system and control method |
| CN109923356A (en) * | 2016-11-22 | 2019-06-21 | 丹佛斯有限公司 | The method of vapor compression system is controlled during gas bypass valve failure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111577589A (en) * | 2020-04-30 | 2020-08-25 | 广州东弛自动化设备有限公司 | Compressor testing method and system in refrigerant gas circulation mode |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191112 |
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| RJ01 | Rejection of invention patent application after publication |