CN208720596U - A kind of liquid storage device and air-conditioning system of variable volume - Google Patents
A kind of liquid storage device and air-conditioning system of variable volume Download PDFInfo
- Publication number
- CN208720596U CN208720596U CN201821316481.7U CN201821316481U CN208720596U CN 208720596 U CN208720596 U CN 208720596U CN 201821316481 U CN201821316481 U CN 201821316481U CN 208720596 U CN208720596 U CN 208720596U
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- cylinder
- liquid storage
- storage device
- cavity
- variable volume
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- 239000007788 liquid Substances 0.000 title claims abstract description 102
- 238000003860 storage Methods 0.000 title claims abstract description 67
- 238000004378 air conditioning Methods 0.000 title claims abstract description 13
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 25
- 239000003507 refrigerant Substances 0.000 abstract description 24
- 238000005057 refrigeration Methods 0.000 abstract description 14
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 13
- 238000000926 separation method Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
A kind of liquid storage device and air-conditioning system of variable volume.The wherein liquid storage device of variable volume, including shell, intermediate conduit and net-filter assembly.An at least cylinder is equipped between shell and intermediate conduit, the cylinder lower end is fixedly connected with housing bottom, it is connect in cylinder with the upper port of intermediate conduit adjacent cylinder with the lower port of a cavity isolating device, the upper port of the cavity isolating device and the outer circle of net-filter assembly connect, and cylinder is equipped with the one-way control valve that can only be circulated from inner cavity to exocoel.Liquid storage device is decomposed into more cavities by single cavity, by one-way control valve, flow fluid can only from inner cavity to exocoel, realizes accumulator volume variable adjustment.This liquid storage device can make the gas coolant in intermediate conduit for a long time by internal layer cavity liquid refrigerants and refrigeration oil mixed liquor surround, and make that gaseous coolant specific volume becomes smaller and compressor air suction temperature keeps the operating of low temperature and large mass, improve compressor refrigerating capacity and efficiency when reliability.
Description
Technical field
The utility model relates to air-conditioning system fields more particularly to a kind of for cold to the gas-liquid mixed from air-conditioning system
Matchmaker carries out gas-liquid separation and then by the liquid storage device in gas coolant input compressor air suction chamber and with the air-conditioning of the liquid storage device
System.
Background technique
Requirement of the refrigeration market user to compressor efficiency and reliability at present is continuously improved, the high energy efficiency and height of compressor
Reliability has become the most important index for measuring compressor competitive strength.Guaranteeing compressor air suction chamber gaseous coolant, there is no liquid
Under the premise of compression, by reducing the suction temperature of compressor, reduces the specific volume of compressor air suction chamber gaseous coolant, increase compression
The mass flow of machine suction chamber gaseous coolant reduces the exhaust temperature of compressor to improve the refrigerating capacity and Energy Efficiency Ratio of compressor
Degree improves compressor operational reliability, it has also become a kind of effective solution means.
As shown in Figure 1, the liquid storage device (also known as gas-liquid separator) that the volume that existing compressor uses is fixed comprising shell
01, set on the air inlet straight tube 02 of case top, set on the gas outlet bend pipe 03 of housing bottom, it is set in the housing the intermediate tube in portion
Road 04.The bottom end of the steel pipe is connected to gas outlet bend pipe, and a strainer is equipped among the top of steel pipe and the air inlet straight tube
Component 05.The gas-liquid mixed refrigerant to come from air-conditioning system enters liquid storage device by air inlet straight tube, through screen modules 05
Barrier, wherein a part of gas coolant 06 is directly entered in the suction chamber of compressor via intermediate conduit 04, and there are also some portions
06 disperse of gas coolant divided is in the cavity outside intermediate conduit 04；And liquid coolant therein and refrigeration oil are first adsorbed on strainer
It on the net wall of component 05, then wanders along net wall into the cavity outside intermediate conduit 04, i.e., the liquid after being separated by liquid storage device
State refrigerant and refrigeration oil storage are 07 in liquid storage cylinder, to play gas-liquid separation and storing frozen oil and liquid refrigerants
Function.The intermediate conduit of circulation gaseous coolant, outside is most of to be surrounded by gaseous coolant, only one section of steel pipe quilt of lower part very little
The liquid refrigerants and refrigeration oil of liquid storage device bottom surround.Due to the heat-insulating cooling effect of portion gaseous coolant in intermediate conduit
Obviously it is not so good as refrigeration oil and liquid refrigerants, so leads to the gaseous coolant temperature drift in intermediate conduit, so that the suction of compressor
Gas temperature drift, and then increase the gaseous coolant specific volume in suction chamber, cause the actual mass flow of compressor less than normal, finally
Cause the refrigerating capacity of compressor and Energy Efficiency Ratio is relatively low and compressor exhaust temperature it is higher, influence the reliability fortune of compressor
Row.
Therefore, existing compressor air suction temperature drift how is overcome, so that compressor refrigerating capacity and Energy Efficiency Ratio are relatively low, work
Reliability decrease and the lower defect of accumulator volume efficiency are industry urgent problems to be solved.
Utility model content
The utility model is in order to solve existing compressor air suction temperature drift, so that compressor refrigerating capacity and Energy Efficiency Ratio are inclined
The technical problem that low, functional reliability declines and accumulator volume efficiency is lower proposes that one kind can effectively reduce compressor suction
Temperature degree so that the liquid storage device for the variable volume that compressor refrigerating capacity, Energy Efficiency Ratio are promoted and air-conditioning system with the liquid storage device
System.
The utility model proposes a kind of variable volume liquid storage device comprising: shell, intermediate conduit and net-filter assembly.
An at least cylinder is equipped between the shell and intermediate conduit, the lower end of the cylinder is fixedly connected with the bottom of the shell, institute
The upper port for stating cylinder adjacent with intermediate conduit in cylinder is connect with the lower port of a cavity isolating device, cavity isolation dress
The upper port set is connect with the outer circle of the net-filter assembly, and the cylinder is unidirectional equipped with that can only circulate from inner cavity to exocoel
Control valve.
Preferably, the cylinder is any of concentric cylinder, elliptic cylindrical, rectangular cylinder or diamond shape cylinder.
Preferably, the cavity isolating device is the cylinder of a bell mouth shape.
Preferably, the one-way control valve is any of fluid level control valve, pressure-control valve or displacement control valve.
The preferably described one-way control valve is located at the range of the height value L2 on the cylinder are as follows:L1< L2 <L1,
In, L1 is vertical range of the liquid storage device bottom to the intermediate conduit top ports.
Preferably, the cylinder can be two, be arranged in concentric circles.
Preferably, the radius requirement of the cylinder and shell are as follows: < = < , wherein R1, R2 difference
For the radius of the inside and outside layer cylinder, R3 is the radius of the liquid storage device shell.
The utility model also proposed a kind of air-conditioning system comprising compressor, the air entry of the compressor and the appearance
The gas outlet bend pipe connection of the variable liquid storage device of product.
The utility model is on the basis of the liquid storage device of conventional volume fixed structure, by the cavity of liquid storage device by conventional structure
Single cavity is decomposed into multiple cavities, passes through one-way control valve connection between each cavity.When liquid refrigerants in liquid storage device and cold
When frozen oil mixing liquid is continuously increased, control that mixing liquid passes through one-way control valve, it is ensured that can only be from inner cavity to exocoel stream
It is dynamic, it is sequentially filled each cavity of liquid storage device, to realize the variable adjustment of entire liquid storage device cavity volume and improve volumetric efficiency.
The liquid storage device can make the major part of the intermediate conduit periphery of circulated gases refrigerant, cold by the liquid in the cavity of innermost layer for a long time
Matchmaker and refrigeration oil mixed liquor are surrounded, since the heat-insulating cooling effect of refrigeration oil and liquid refrigerants is substantially better than around intermediate conduit
The heat insulation of conventional liquid storage device gaseous coolant to can guarantee that the gaseous coolant specific volume in intermediate conduit becomes smaller, and keeps length
Phase stablizes.To cause the suction temperature of gaseous coolant in compressor air suction chamber to keep low-temperature condition for a long time, and guarantee compression captain
The operating of phase large mass, improves the refrigerating capacity and Energy Efficiency Ratio of compressor, while reducing suction temperature to reduce compressor
Delivery temperature improves the complete machine operational reliability of compressor.
Detailed description of the invention
Fig. 1 is the cross-sectional view of existing liquid storage device；
The cross-sectional view of Fig. 2 the utility model liquid storage device preferred embodiment；
Fig. 3 be Fig. 2 in A-A to cut-away illustration；
Fig. 4 is the cross-sectional view for the preferred embodiment that the utility model liquid storage device is connect with compressor.
Specific embodiment
The utility model is further described below with reference to embodiment and attached drawing.
It as shown in Figure 2 and Figure 3, is the structure display diagram of the preferred embodiment of the utility model liquid storage device.The cavity holds
The variable liquid storage device 300 of product comprising: middle cylinder component 100, the upper shell 13 for being used as sealing at the top of it and into
Port straight tube 1 and the lower shell 9 and gas outlet bend pipe 10 as liquid storage set on bottom.And middle cylinder component 100 wraps
It includes: outer barrel 3, intermediate conduit 7, net-filter assembly 2, partition 8.The outer barrel 3 and upper shell 13 and lower shell 9 constitute liquid storage
The shell of device 300.In this implementation column, there are two the cylindrical tubes being arranged concentrically, i.e. internal layer cylinder between shell and intermediate conduit
Body 6 and outer layer barrel 4.Cavity between outer barrel 3 and intermediate conduit 7 is divided into shellring by internal layer cylinder 6 and outer layer barrel 4
The cavity of shape, i.e. the first, second, and third cavity 21,22,23, the lower end of ectonexine cylinder 6,4 all with 9 inner surface of lower shell
Weld together.Net-filter assembly 2 is set to the top of intermediate conduit 7 and ectonexine cylinder 6,4 upper ports, outer circle and outer barrel 3
Inner circle closely connect.And the upper port of internal layer cylinder 6 be equipped with a bell mouth shape cavity isolating device 14, i.e., the cavity every
Lower port from device is connect with 6 upper port of internal layer cylinder, and the net-filter assembly 2 of the upper port of cavity isolating device and top
Outer circle connection.Such cavity isolating device 14 just divides intermediate conduit 7, the first cavity 21 and the second cavity 22, the second cavity 23
It separates and.The unidirectional fluid level control valve 5 that can only be circulated from inner cavity to exocoel is equipped on interior outer layer barrel 6,4.According to practical need
It wants, other one-way control valves, e.g., pressure-control valve or displacement control valve etc. also can be set.As long as can control fluid by
It circulates to exocoel inner cavity.Cylinder between outer barrel 3 and intermediate conduit 7 other than being arranged concentrically using cylindrical body,
Can also use the cylinder of other structures, e.g., elliptic cylindrical, rectangular cylinder or diamond shape cylinder it is any, can also use
Any irregular cylinder, as long as the cavity between outer barrel 3 and intermediate conduit 7 can be separated.Divided in liquid storage device
The cavity quantity cut can actually use situation according to compressor and determine, can be 2,3,4 or even n, but at least
For 2 cavities.The range for the height value L2 that one-way control valve 5 is installed on ectonexine cylinder 6,4 should control: L1< L2 <L1, wherein L1 is vertical range of the liquid storage device bottom to 7 upper port of intermediate conduit, and L2 is also by liquid storage device bottom to unidirectional
The vertical range of control valve.As shown in figure 3, the control of the radius requirement of ectonexine cylinder 6,4 and outer barrel 3 exists: < = < , wherein R1, R2 are respectively the radius of inside and outside layer cylinder 6,4, and R3 is the radius of the liquid storage device outer barrel 3.
As shown in figure 4, the utility model also provides a kind of air-conditioning system, including compressor 200, the air entry of the compressor
It is connected to the gas outlet bend pipe 10 of the liquid storage device 300 of the variable volume of the utility model.The main function of liquid storage device is to coming from
The gas-liquid mixed refrigerant of system carries out gas-liquid separation, and gaseous coolant 11 is directly entered compressor pump by liquid storage device intermediate conduit 7
In body suction chamber, liquid refrigerants and refrigeration oil 12 after separation are stored in liquid storage cylinder, thus play gas-liquid separation and
The effect of storing frozen oil and liquid refrigerants.
As shown in Figure 2 and Figure 3, after air-conditioning system is started to work, the gas-liquid mixed refrigerant in liquid storage device 300 is entered from system
Barrier through screen modules 2, gas coolant 11 therein enters intermediate conduit 7 and the first cavity 21, and liquid therein is cold
Matchmaker and refrigeration oil are first adsorbed on the net wall of net-filter assembly 2, and the cavity isolating device to bell mouth shape is then wandered along net wall
On 14 inclined inner surfaces, and it is flowed into along inclined-plane the bottom of the first cavity 21.As the gas-liquid entered in liquid storage device 300 is mixed
Being continuously increased for refrigerant is closed, the mixing liquid of liquid refrigerants and refrigeration oil is sequentially filled liquid storage device from internal layer cavity toward outer layer cavity
Each reservoir body, between each cavity by the control of one-way control valve 5 guarantee refrigeration oil and liquid refrigerants 12 can only from inner cavity to
Exocoel flowing.Such structure to circulate the intermediate conduit 7 of gaseous coolant 11, around most of be frozen oil and liquid always
Refrigerant mixing liquid 12 is surrounded, compared to the intermediate conduit for flowing through gaseous coolant in existing structure liquid storage device, around largely begin
It is surrounded eventually by gaseous coolant.Then the heat insulation of the mixing liquid 12 of the utility model liquid storage device is substantially better than cold media gas 11,
And it is not influenced by peripheral gaseous coolant temperature, while liquid refrigerants and refrigeration oil mixing liquid can also be in intermediate steel pipes
Gaseous coolant cooling, to guarantee that the gaseous coolant in intermediate conduit keeps cryogenic gas state for a long time, to make compressor air suction
Chamber obtains the mass flow of big flow always, the final refrigerating capacity and Energy Efficiency Ratio for improving compressor, while reducing compressor air-discharging
Temperature improves the functional reliability of compressor.
For invariable frequency compressor, when compressor works under small load condition, the refrigerant of circulation heat exchange is participated in system
Flow is less than normal, and the liquid refrigerants being stored in compressor liquid storage device is on the high side, and each cavity of liquid storage device may all store refrigerant at this time；
The cold medium flux that circulation heat exchange is participated in when compressor works under intermediate cooling condition, in system is moderate, is stored in compressor
Liquid refrigerants in liquid storage device is moderate, and each cavity of liquid storage device only needs section store refrigerant at this time；When compressor is in maximum refrigeration work
The cold medium flux that circulation heat exchange is participated in when working under condition, in system is maximum, be stored in liquid refrigerants in compressor liquid storage device compared with
Few, each cavity of liquid storage device may only have the smallest cavity of internal layer to be used to store at this time.Therefore, liquid storage provided by the utility model
Device can be automatic to adapt to provide different cavities participation storages according to the different operating conditions of air-conditioning system, to the different demands of cold medium flux
Deposit work.
In addition, for frequency-changeable compressor, to adapt to the cold medium flux demand of frequency-changeable compressor at different frequencies, the volume
Variable liquid storage device can also control corresponding liquid storage volume with self-adapting frequency conversion compressor under different operating frequency, to meet pressure
Air demand under contracting pump body suction chamber different operating frequency realizes frequency-changeable compressor at different frequencies, compressor air suction amount
Optimized Supply, guarantee that compressor Performance And Reliability at each frequency maximizes.
Embodiment described above is primarily to illustrate the creating conception of the utility model, it is noted that for this
For the those of ordinary skill in field, without departing from the concept of the premise utility, several deformations can also be made and changed
Into these are all within the protection scope of the present invention.
Claims (8)
1. a kind of liquid storage device of variable volume, including shell, intermediate conduit and net-filter assembly, which is characterized in that the shell and
An at least cylinder is equipped between intermediate conduit, the lower end of the cylinder is fixedly connected with the bottom of the shell, in the cylinder and
The upper port of the adjacent cylinder of the intermediate conduit is connect with the lower port of a cavity isolating device, the cavity isolating device it is upper
Port is connect with the outer circle of the net-filter assembly, and the cylinder is unidirectionally controlled equipped with that can only circulate from inner cavity to exocoel
Valve.
2. the liquid storage device of variable volume as described in claim 1, which is characterized in that the cylinder is concentric cylinder, ellipse
Circular cylinder, rectangular cylinder or diamond shape cylinder it is any.
3. the liquid storage device of variable volume as described in claim 1, which is characterized in that the cavity isolating device is a loudspeaker
The cylinder of mouth shape.
4. the liquid storage device of variable volume as described in claim 1, which is characterized in that the one-way control valve is Liquid level
Valve, pressure-control valve or displacement control valve it is any.
5. the liquid storage device of variable volume as claimed in claim 4, which is characterized in that the one-way control valve is located at the cylinder
On height value L2 range are as follows: L1< L2<L1, wherein L1 is liquid storage device bottom to the intermediate conduit top ports
Vertical range.
6. the liquid storage device of variable volume as described in claim 1, which is characterized in that the cylinder is two, is in concentric circles
Setting.
7. the liquid storage device of variable volume as claimed in claim 6, which is characterized in that the radius requirement of the cylinder and shell
Are as follows: < = < , wherein R1, R2 are respectively the radius of the inside and outside layer cylinder, and R3 is the liquid storage device shell
The radius of body.
8. a kind of air-conditioning system, including compressor, which is characterized in that the air entry of the compressor and such as claim 1 ~ 7 times
The gas outlet bend pipe of the liquid storage device of one variable volume is connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821316481.7U CN208720596U (en) | 2018-08-15 | 2018-08-15 | A kind of liquid storage device and air-conditioning system of variable volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821316481.7U CN208720596U (en) | 2018-08-15 | 2018-08-15 | A kind of liquid storage device and air-conditioning system of variable volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208720596U true CN208720596U (en) | 2019-04-09 |
Family
ID=65977812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821316481.7U Withdrawn - After Issue CN208720596U (en) | 2018-08-15 | 2018-08-15 | A kind of liquid storage device and air-conditioning system of variable volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208720596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826769A (en) * | 2018-08-15 | 2018-11-16 | 珠海凌达压缩机有限公司 | A kind of liquid storage device and air-conditioning system of variable volume |
| CN111486626A (en) * | 2020-04-30 | 2020-08-04 | 宁波奥克斯电气股份有限公司 | Liquid-gas separator, air conditioner and liquid-gas separation method |
-
2018
- 2018-08-15 CN CN201821316481.7U patent/CN208720596U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108826769A (en) * | 2018-08-15 | 2018-11-16 | 珠海凌达压缩机有限公司 | A kind of liquid storage device and air-conditioning system of variable volume |
| CN108826769B (en) * | 2018-08-15 | 2024-02-20 | 珠海凌达压缩机有限公司 | Volume-variable liquid reservoir and air conditioning system |
| CN111486626A (en) * | 2020-04-30 | 2020-08-04 | 宁波奥克斯电气股份有限公司 | Liquid-gas separator, air conditioner and liquid-gas separation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190409 Effective date of abandoning: 20240220 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190409 Effective date of abandoning: 20240220 |