CN109764411A - Air-conditioning system - Google Patents
Air-conditioning system Download PDFInfo
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- CN109764411A CN109764411A CN201811424608.1A CN201811424608A CN109764411A CN 109764411 A CN109764411 A CN 109764411A CN 201811424608 A CN201811424608 A CN 201811424608A CN 109764411 A CN109764411 A CN 109764411A
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Abstract
A kind of air-conditioning system, including compressor, condenser, the first evaporator, the second evaporator, the first pipeline, the second pipeline and air conducting pipeline, one end of first pipeline and the outlet of compressor connect, the import of the other end and compressor of first pipeline connects, and condenser and the first evaporator are connected on the first pipeline;One end of second pipeline and the outlet of compressor connect, and the other end of the second pipeline is connected on the first pipeline between condenser and the first evaporator, and the second evaporator is connected on the second pipeline;The first evaporator and the second evaporator is connected in series in air conducting pipeline, and air enters the second evaporator by air conducting pipeline after the first evaporator heat exchange and exchanges heat again.Air-conditioning system of the invention, structure is simple, using convenient.
Description
Technical field
The present invention relates to air-conditioning technical field, in particular to a kind of air-conditioning system.
Background technique
Low temperature environment is nowadays more and more important, it is closely bound up with our production and living, and freezer, bio-pharmaceuticals etc. certain
A little fields are even more to need prolonged cold environment.The great demand in market and under current environmental protection, energy-efficient main trend, exploitation one
Kind refrigeration effect is good, economic benefit is higher and the air-cooler of system run all right is extremely urgent.
In air-cooler, traditional one stage of compression refrigeration, which is followed, is extremely difficult to lower temperature, and operational efficiency is low, operation
The phenomenon that be easy to causeing muffler moisture condensation frosting in the process, leverages refrigeration effect, economic benefit is very poor.Currently in low temperature
Two-stage compression and cascade formula circularly cooling is generally used in refrigeration cycle, but two-stage compression and cascade formula circularly cooling increases refrigeration and follows
Number of rings amount increases so as to cause system unit in multiple, and most of is that separated type configures, and will result in bulky, therebetween
Connecting pipe it is numerous, increase production cost while make refrigeration system more complicated, this also results in superposition type system and opens
It needs successively to carry out in order when dynamic, general high-temperature level refrigeration cycle first starts, below low-temperature level pressure reduction to threshold pressure
When be then turned on low-temperature level refrigeration cycle.In addition, the raising of system complexity is but also operation and maintenance are more cumbersome, system is run
Stability decline.
In conclusion research and development operational efficiency is high, structure is simple, starting is convenient and system run all right it is novel low
Warm air-cooler is just very necessary.
Summary of the invention
In view of this, the present invention provides a kind of air-conditioning system, structure is simple, using convenient.
A kind of air-conditioning system, including compressor, condenser, the first evaporator, the second evaporator, the first pipeline, the second pipe
The outlet of road and air conducting pipeline, one end of the first pipeline and compressor connects, the other end of the first pipeline and compressor
Import connection, condenser and the first evaporator are connected on the first pipeline;One end of second pipeline and the outlet of compressor connect,
The other end of second pipeline is connected on the first pipeline between condenser and the first evaporator, and the second evaporator is connected to second
On pipeline;Air conducting pipeline is connected in series the first evaporator and the second evaporator, air after the first evaporator heat exchange by
Air conducting pipeline enters the second evaporator and exchanges heat again.
In an embodiment of the present invention, above-mentioned air-conditioning system further includes liquid storage device, the liquid storage device be connected to the condenser with
On first pipeline between first evaporator.
In an embodiment of the present invention, above-mentioned air-conditioning system further includes the second capillary of more first capillaries and Duo Gen,
First capillary is connected on first pipeline between the liquid storage device and first evaporator, which is connected to
On second pipeline between the liquid storage device and second evaporator.
In an embodiment of the present invention, above-mentioned first evaporator includes first shell and the first heat exchange fin, first pipe
Road passes through the first shell, which is set between the first shell and first pipeline, in the first shell
Equipped with the first air inlet pipe and the first escape pipe, which connect with the air conducting pipeline;Second evaporator includes
Second shell and the second heat exchange fin, second pipeline pass through the second shell, which is set to the second shell
Between body and second pipeline, which is equipped with the second air inlet pipe and the second escape pipe, second air inlet pipe and the sky
The connection of gas diversion pipeline.
In an embodiment of the present invention, above-mentioned first heat exchange fin and second heat exchange fin helically cyclic structure, should
First heat exchange fin is arranged around the first pipeline spiral, which is arranged around the second pipeline spiral.
In an embodiment of the present invention, zinc layers are electroplate on above-mentioned first heat exchange fin and second heat exchange fin.
In an embodiment of the present invention, above-mentioned first evaporator further includes the first insulating layer, which is covered on
In first shell;Second evaporator further includes the second insulating layer, which covers on the second housing.
In an embodiment of the present invention, above-mentioned first insulating layer and second insulating layer are with a thickness of 20mm~50mm.
In an embodiment of the present invention, the diameter of above-mentioned first pipeline and second pipeline is 5mm~10mm.
In an embodiment of the present invention, above-mentioned compressor, the condenser, first evaporator and first pipeline are using weldering
The mode connect connects, which is connect by the way of welding with second pipeline, first pipeline and second pipe
Road is connected by the way of welding.
The outlet of one end of first pipeline of air-conditioning system of the invention and compressor connects, the other end of the first pipeline with
The import of compressor connects, and condenser and the first evaporator are connected on the first pipeline;One end of second pipeline and compressor
Outlet connection, the other end of the second pipeline are connected on the first pipeline between condenser and the first evaporator, the second evaporator
It is connected on the second pipeline;The first evaporator and the second evaporator is connected in series in air conducting pipeline, and air is in the first evaporator
Enter the second evaporator by air conducting pipeline after heat exchange to exchange heat again.Air-conditioning system of the invention has structure letter
It is single, using convenient, the advantages that Maintenance free.And.The first evaporator and the is connected in series using air conducting pipeline in the present invention
Two evaporators, the more traditional one stage of compression refrigeration system of the operational efficiency of air-conditioning system is high, and compared with overlay formula refrigeration compression system
Complete machine structure is more compact, and piping connection is simpler, saves body space and reduces cost, not only economical but also energy saving.
Detailed description of the invention
Fig. 1 is the schematic diagram of air-conditioning system of the invention.
Fig. 2 is the schematic perspective view of air-conditioning system of the invention.
Fig. 3 is the schematic cross-sectional view of the first evaporator or the second evaporator of the invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to implementation of the invention
Mode is further described.
Fig. 1 is the schematic diagram of air-conditioning system of the invention.Fig. 2 is the schematic perspective view of air-conditioning system of the invention.
As depicted in figs. 1 and 2, air-conditioning system 10 includes compressor 11, condenser 12, liquid storage device 13, more first capillaries 14, more
Second capillary 15, the first evaporator 16, the second evaporator 17, the first pipeline 18a, the second pipeline 18b and air conducting pipeline
19。
One end of first pipeline 18a is connect with the outlet of compressor 11, the other end and the compressor 11 of the first pipeline 18a
Import connection, condenser 12, liquid storage device 13, more first capillaries 14 and the first evaporator 16 are connected to the first pipeline in turn
On 18a, i.e., liquid storage device 13 is connected on the first pipeline 18a between condenser 12 and the first evaporator 16.In the present embodiment,
Compressor 11 by refrigerant compression at the gaseous refrigerant of high temperature and pressure, by the first pipeline 18a by the gaseous state system of high temperature and pressure
Cryogen is delivered to condenser 12, is radiated by fan to condenser 12, and the gaseous refrigerant of high temperature and pressure is made to become low temperature
The liquid refrigerant of cryogenic high pressure is delivered to liquid storage device 13, liquid storage device 13 by the first pipeline 18a by the liquid refrigerant of high pressure
Flow control is carried out to the liquid refrigerant of cryogenic high pressure, the liquid refrigerant of cryogenic high pressure is through excessive the first capillary of root later
14, more first capillaries 14 carry out decompression throttling to refrigerant, and no liquefied refrigerant is prevented to be directly entered the first evaporation
Device 16 is conducive to the evaporation of refrigerant to reduce the pressure in the first evaporator 16, by the first pipeline 18a by low temperature height
The liquid refrigerant of pressure is delivered to the first evaporator 16, and the liquid refrigerant evaporation of cryogenic high pressure absorbs ambient heat, Zhi Houqi
The refrigerant of state enters compressor 11.
One end of second pipeline 18b is connect with the outlet of compressor 11, and the other end of the second pipeline 18b is connected to condenser
On 12 and first the first pipeline 18a between evaporator 16, it is preferable that the other end of the second pipeline 18b is connected to liquid storage device 13
On the first pipeline 18a between more first capillaries 14, more second capillaries 15 and the second evaporator 17 are connected to
On two pipeline 18b.In the present embodiment, the second evaporator 17 and the setting parallel with one another of the first evaporator 16, compressor 11 will be made
Cryogen is compressed into the gaseous refrigerant of high temperature and pressure, is delivered to the gaseous refrigerant of high temperature and pressure by the first pipeline 18a cold
Condenser 12 radiates to condenser 12 by fan, and the gaseous refrigerant of high temperature and pressure is made to become the liquid system of cryogenic high pressure
The liquid refrigerant of cryogenic high pressure is delivered to liquid storage device 13 by the first pipeline 18a by cryogen, and liquid storage device 13 is to cryogenic high pressure
Liquid refrigerant carries out flow control, and the liquid refrigerant of cryogenic high pressure is shunted through excessive the second capillary of root 15 later, and more
Second capillary 15 carries out decompression throttling to refrigerant, and no liquefied refrigerant is prevented to be directly entered the second evaporator 17, from
And the pressure in the second evaporator 17 is reduced, be conducive to the evaporation of refrigerant, by the second pipeline 18b by the liquid of cryogenic high pressure
Refrigerant is delivered to the second evaporator 17, and the liquid refrigerant evaporation of cryogenic high pressure absorbs ambient heat, later gaseous refrigeration
Agent enters compressor 11.
The first evaporator 16 is connected in series in air conducting pipeline 19 and the second evaporator 17, air are changed in the first evaporator 16
It exchanges heat again by air conducting pipeline 19 into the second evaporator 17 after heat.Since air is first in the first evaporator 16
It exchanges heat, the lower air of temperature is obtained after heat exchange, the first evaporator 16 plays the role of pre-cooling to air at this time;Then
The lower air of temperature enters the second evaporator 17 by air conducting pipeline 19, can after the heat exchange of the second evaporator 17
Quickly obtain the very low air of temperature, such as subzero 30 DEG C.
Further, compressor 11, condenser 12, liquid storage device 13, more first capillaries 14, more second capillaries
15, the mode that the first evaporator 16, the second evaporator 17, the first pipeline 18a, the second pipeline 18b are all made of welding realizes connection,
Such as compressor 11, condenser 12, liquid storage device 13, more first capillaries 14 and the first evaporator 16 are adopted with the first pipeline 18a
It is connected with the mode of welding, more second capillaries 15 are connected by the way of welding with the second evaporator 17, the first pipeline 18a
With the second pipeline 18b using welding by the way of connect, guarantee weld meet 1.2MPa sealed pressure requirement, pressure maintaining 1 hour,
Must not it lose heart.
Further, more first capillaries 14 and 15 length of the second capillary of Duo Gen are 3500mm, and diameter is
1.8mm, material are copper tube, and the quantity of the first capillary 14 is 3, and the quantity of the second capillary 15 is 3, but not with
This is limited.
Fig. 3 is the schematic cross-sectional view of the first evaporator or the second evaporator of the invention.As shown in Figure 1, Figure 2 and Fig. 3 institute
Show, further, the first evaporator 16 is snakelike bushing type evaporator, and the length of the first evaporator 16 is 4000mm, and diameter is
21mm, material are copper tube.First evaporator 16 includes first shell 161, the first heat exchange fin 164 and the first insulating layer 165.
First pipeline 18a passes through first shell 161, and the first heat exchange fin 164 is set between first shell 161 and the first pipeline 18a.
First shell 161 is equipped with the first air inlet pipe 162 and the first escape pipe 163, and the first escape pipe 163 connects with air conducting pipeline 19
It connects, air enters in the first evaporator 16 from the first air inlet pipe 162 of first shell 161, from the first escape pipe after being exchanged heat
163 enter air conducting pipeline 19, and the transparent adhesive tape that diameter is 6mm~10mm can be used in the first air inlet pipe 162 of first shell 161
Matter pipe, and be bolted in first shell 161.First heat exchange fin 164 helically cyclic structure, the first heat exchange fin
164 are arranged around the first pipeline 18a spiral, and are electroplate with zinc layers on the first heat exchange fin 164, therefore, the first heat exchange fin 164
Design feature exchange capability of heat can be substantially improved, i.e. heat exchange efficiency is higher, and can effectively avoid exchanging heat insufficient leads to muffler
The problem of frosting.First insulating layer 165 is covered in first shell 161, and the material of the first insulating layer 165 is heat-preservation cotton, but simultaneously
It is not limited.In the present embodiment, the disk outer annular diameter of the first heat exchange fin 164 is 19mm, less than the first evaporator 16
Internal diameter, disk annular diameters be 7mm;First insulating layer 165 with a thickness of 20mm~50mm.
As shown in Figure 1, Figure 2 and Figure 3, further, the second evaporator 17 is snakelike bushing type evaporator, the second evaporator
17 length is 4000mm, and diameter 21mm, material is copper tube.Second evaporator 17 exchanges heat including second shell 171, second
Fin 174 and the second insulating layer 175.Second pipeline 18b passes through second shell 171, and the second heat exchange fin 174 is set to second shell
Between body 171 and the second pipeline 18b.Second shell 171 is equipped with the second air inlet pipe 172 and the second escape pipe 173, the second air inlet
Pipe 172 is connect with air conducting pipeline 19, and air enters in the second evaporator 17 from the second air inlet pipe 172 of second shell 171,
It is exported after being exchanged heat from the second escape pipe 173, it is 6mm~10mm that diameter, which can be used, in the second escape pipe 173 of second shell 171
Transparent colloid pipe, and be bolted in second shell 171.Second heat exchange fin 174 helically cyclic structure, second
Heat exchange fin 174 is arranged around the second pipeline 18b spiral, and is electroplate with zinc layers on the second heat exchange fin 174, and therefore, second changes
Exchange capability of heat can be substantially improved in the design feature of hot fin 174, i.e. heat exchange efficiency is higher, can effectively avoid insufficient lead that exchange heat
The problem of causing muffler frosting.Second insulating layer 175 is covered in second shell 171, and the material of the second insulating layer 175 is heat preservation
Cotton, but be not limited thereto.In the present embodiment, the disk outer annular diameter of the second heat exchange fin 174 is 19mm, is steamed less than second
The internal diameter of device 17 is sent out, disk annular diameters are 7mm;Second insulating layer 175 with a thickness of 20mm~50mm.
Further, the diameter of the first pipeline 18a and the second pipeline 18b are 5mm~10mm, the first pipeline 18a and second
Pipeline 18b is all made of copper tube.It is noted that the first pipeline 18a, the second pipeline 18b are connect with the import of compressor 11
One end be merged into a root canal, the internal diameter of the pipe is 10mm, according to actual needs can unrestricted choice.
Further, the air mass flow conveyed in air conducting pipeline 19 is 200~600Nm3/ min, air pressure are
0.6~0.8MPa.
One end of first pipeline 18a of air-conditioning system 10 of the invention is connect with the outlet of compressor 11, the first pipeline 18a
The other end connect with the import of compressor 11, condenser 12 and the first evaporator 16 are connected on the first pipeline 18a;Second pipe
One end of road 18b is connect with the outlet of compressor 11, and the other end of the second pipeline 18b is connected to condenser 12 and the first evaporator
On the first pipeline 18a between 16, the second evaporator 17 is connected on the second pipeline 18b;Air conducting pipeline 19 is connected in series
First evaporator 16 and the second evaporator 17, air enter second by air conducting pipeline 19 after the heat exchange of the first evaporator 16
Evaporator 17 exchanges heat again.Air-conditioning system 10 of the invention has structure simple, using convenient, the advantages that Maintenance free.
And.The first evaporator 16 and the second evaporator 17 is connected in series using air conducting pipeline 19 in the present invention, air-conditioning system 10
The more traditional one stage of compression refrigeration system of operational efficiency is high, and, pipeline more compact compared with overlay formula refrigeration compression system complete machine structure
Connect simpler, saving body space and reduces cost, not only economical but also energy saving.
Air-conditioning system 10 of the invention also can be applicable to machinery, metallurgy, petroleum, chemical industry, food preservation, artificial environment, life
The fields such as object pharmacy, according to actual needs can unrestricted choice.
The present invention is not limited to the specific details in the above embodiment, within the scope of the technical concept of the present invention, can be with
Various simple variants of the technical solution of the present invention are made, these simple variants all belong to the scope of protection of the present invention.Above-mentioned
Each particular technique feature described in specific embodiment can pass through any suitable side in the case of no contradiction
Formula is combined.In order to avoid unnecessary repetition, the invention will not be further described in various possible combinations.
Claims (10)
1. a kind of air-conditioning system, which is characterized in that including compressor, condenser, the first evaporator, the second evaporator, the first pipe
Road, the second pipeline and air conducting pipeline, in which:
One end of first pipeline is connect with the outlet of the compressor, and the import of the other end and the compressor of first pipeline connects
It connects, the condenser and first evaporator are connected on first pipeline;
One end of second pipeline is connect with the outlet of the compressor, and the other end of second pipeline is connected to the condenser and is somebody's turn to do
On first pipeline between first evaporator, which is connected on second pipeline;
First evaporator and second evaporator is connected in series in the air conducting pipeline, and air is after first evaporator heat exchange
Enter second evaporator by the air conducting pipeline to exchange heat again.
2. air-conditioning system as described in claim 1, which is characterized in that the air-conditioning system further includes liquid storage device, which connects
It connects on first pipeline between the condenser and first evaporator.
3. air-conditioning system as claimed in claim 2, which is characterized in that the air-conditioning system further includes more first capillaries and more
The second capillary of root, first capillary are connected on first pipeline between the liquid storage device and first evaporator, this
Two capillaries are connected on second pipeline between the liquid storage device and second evaporator.
4. air-conditioning system as described in claim 1, which is characterized in that first evaporator includes first shell and the first heat exchange
Fin, first pipeline pass through the first shell, which is set between the first shell and first pipeline,
The first shell is equipped with the first air inlet pipe and the first escape pipe, which connect with the air conducting pipeline;This
Two evaporators include second shell and the second heat exchange fin, which passes through the second shell, which sets
It is placed between the second shell and second pipeline, which is equipped with the second air inlet pipe and the second escape pipe, this second
Air inlet pipe is connect with the air conducting pipeline.
5. air-conditioning system as claimed in claim 4, which is characterized in that first heat exchange fin and second heat exchange fin are in spiral shell
Cyclic structure is revolved, which is arranged around the first pipeline spiral, and second heat exchange fin is around second pipeline
Spiral setting.
6. air-conditioning system as claimed in claim 5, which is characterized in that first heat exchange fin and second heat exchange fin power on
It is coated with zinc layers.
7. air-conditioning system as claimed in claim 4, which is characterized in that first evaporator further includes the first insulating layer, this
One insulating layer covers on the first shell;Second evaporator further includes the second insulating layer, which is covered on second
On shell.
8. air-conditioning system as claimed in claim 7, which is characterized in that first insulating layer and second insulating layer with a thickness of
20mm~50mm.
9. air-conditioning system as described in claim 1, which is characterized in that the diameter of first pipeline and second pipeline is 5mm
~10mm.
10. air-conditioning system as described in claim 1, which is characterized in that the compressor, the condenser, first evaporator with
First pipeline is connected by the way of welding, and second evaporator and second pipeline are connect by the way of welding, this
One pipeline is connect by the way of welding with second pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811424608.1A CN109764411A (en) | 2018-11-27 | 2018-11-27 | Air-conditioning system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811424608.1A CN109764411A (en) | 2018-11-27 | 2018-11-27 | Air-conditioning system |
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Publication Number | Publication Date |
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CN109764411A true CN109764411A (en) | 2019-05-17 |
Family
ID=66449872
Family Applications (1)
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CN201811424608.1A Pending CN109764411A (en) | 2018-11-27 | 2018-11-27 | Air-conditioning system |
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Cited By (2)
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CN110736152A (en) * | 2019-09-24 | 2020-01-31 | 青岛海尔空调器有限总公司 | Condenser, air conditioner outdoor unit and air conditioner |
CN112781106A (en) * | 2020-12-31 | 2021-05-11 | 张家港市华奥特种制冷设备有限公司 | Evaporating system of vertical cabinet type indoor unit |
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CN204373064U (en) * | 2014-11-13 | 2015-06-03 | 中国人民解放军理工大学 | Temp. controllable room dehumidification air conditioner |
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Application publication date: 20190517 |