CN209068654U - A kind of efficient air-conditioning system - Google Patents
A kind of efficient air-conditioning system Download PDFInfo
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- CN209068654U CN209068654U CN201821690656.0U CN201821690656U CN209068654U CN 209068654 U CN209068654 U CN 209068654U CN 201821690656 U CN201821690656 U CN 201821690656U CN 209068654 U CN209068654 U CN 209068654U
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Abstract
The utility model discloses a kind of efficient air-conditioning systems, including compressor (1), condenser (2), evaporator (8), expansion valve (5), the second fluid reservoir (6) and second refrigerant pump (7)；Expansion valve (5) outlet is connected to the second fluid reservoir (6), second fluid reservoir outlet at bottom is connected to second refrigerant pump (7) entrance, second refrigerant pump (7) outlet is connected to evaporator (8) entrance, evaporator (8) outlet is connected to the second fluid reservoir (6) entrance, second fluid reservoir (6) top exit is connected on compressor (1) entrance, compressor (1) outlet is connected to condenser (2) entrance, and condenser (2) outlet is connected to expansion valve (5) entrance.The efficient air-conditioning system not only improves integral air conditioner system energy efficiency and evaporator as a whole exchange capability of heat, also improves the coefficient of heat transfer, further improves the condenser coefficient of heat transfer, reduces condensing pressure, improves system energy efficiency, realizes bigger energy-saving effect.
Description
Technical field
The utility model relates to a kind of computer room or data center's air-conditionings more particularly to a kind of efficient air-conditioning system.
Background technique
Current computer room or data center's air-conditioning, refrigerant are directly entered evaporator after expansion valve throttling, in order to ensure
Compressor reliability can reserve one section of superheat section in evaporator design, it is ensured that compressor air suction overheat will not return liquid and cause to press
Contracting machine failure.Current evaporator superheat section accounts between entire evaporator 10%~15%, and the entirety for largely effecting on evaporator is changed
Thermal energy power, system energy efficiency is low, while the refrigerant gas of high temperature and pressure is directly entered condenser from compressor, before condenser
15%~20% internal volume is used to the saturation refrigeration superheated refrigerant gas of high temperature and pressure to cool down for ordinary temp high pressure
Agent gas, since this section of process is single-phase heat exchange, heat exchange efficiency is very low and is invalid heat exchange.Influence integral condenser heat exchange
Ability, so that condensing pressure is higher, compressor horsepower is high, and entire air-conditioning system efficiency is lower, while winter is in outdoor environment temperature
It is also required to that compressor is used when spending low so that refrigerant circulation flows, power consumption is higher.
Utility model content
In order to solve the above-mentioned technical problem the utility model, provides a kind of efficient air-conditioning system, promote integral air conditioner system
System efficiency, realizes bigger energy conservation.
The utility model is to be achieved through the following technical solutions:
A kind of efficient air-conditioning system, including compressor, condenser, evaporator, expansion valve, the second fluid reservoir and the second refrigeration
Agent pump；The expansion valve outlet is connected to the second fluid reservoir, and the second fluid reservoir outlet at bottom is connected to second refrigerant and is pumped into
Mouthful, second refrigerant pump discharge is connected to evaporator inlet, and evaporator outlet is connected to the second fluid reservoir entrance, the second fluid reservoir top
Outlet is connected on suction port of compressor, and compressor outlet is connected to condenser inlet, and condensator outlet is connected to expansion valve inlet.
It is additionally provided with the first fluid reservoir and the first refrigerated medium pump between the condensator outlet and expansion valve inlet, condenses
Device outlet is connect with the entrance of the first fluid reservoir, and the outlet of the first fluid reservoir is connect with the entrance of the first refrigerated medium pump, the first system
The outlet of cryogenic fluid pump divides two-way, is connected to compressor outlet all the way, and another way is connected to the entrance of expansion valve.
Compared with prior art, the utility model has technical effect beneficial below:
Efficient air-conditioning system provided by the utility model improves integral air conditioner system energy efficiency, improves evaporator as a whole
Exchange capability of heat, improves the coefficient of heat transfer, further improves the condenser coefficient of heat transfer, reduces condensing pressure, improves system
Efficiency, close compressor system is run when outdoor low temperature, passes through pump circulation refrigerant, realizes bigger energy-saving effect.
The utility model also has the advantages that
1. condenser heat exchange amount integrally promotes 10%~15% under healthy compressor operating status, condensing pressure decline
0.5~1bar, compressor power consumption reduce by 10%~15%, and system entirety efficiency promotes 10%~15%.
2. stopping compressor operation in the case where winter makes outdoor environment temperature is low, being run using pump circulation, whole energy consumption
Reduce by 80%.
3. evaporator heat exchange amount integrally promotes 15%~20%, system energy efficiency promotes 8%~10%.
Detailed description of the invention
Fig. 1 is efficient air-conditioning system structural schematic diagram provided by the utility model.
Wherein, 1 is compressor；2 be condenser；3 be the first fluid reservoir；4 be the first refrigerated medium pump；5 be expansion valve；6 are
Second fluid reservoir；7 pump for second refrigerant；8 be evaporator.
Specific embodiment
The utility model is described in further detail below with reference to specific embodiment, described is to the utility model
Explanation rather than limit.
Referring to Fig. 1, a kind of efficient air-conditioning system, including compressor 1, condenser 2, evaporator 8, expansion valve 5, the second liquid storage
Tank 6 and second refrigerant pump 7；The outlet of expansion valve 5 is connected to the second fluid reservoir 6, the connection of 6 outlet at bottom of the second fluid reservoir
7 entrances are pumped to second refrigerant, 7 outlet of second refrigerant pump is connected to 8 entrance of evaporator, and the outlet of evaporator 8 is connected to the second liquid storage
6 entrance of tank, 6 top exit of the second fluid reservoir are connected on 1 entrance of compressor, and the outlet of compressor 1 is connected to 2 entrance of condenser, cold
The outlet of condenser 2 is connected to 5 entrance of expansion valve.
It is additionally provided with the first fluid reservoir 3 and the first refrigerated medium pump 4 between the outlet of condenser 2 and 5 entrance of expansion valve,
The outlet of condenser 2 is connect with the entrance of the first fluid reservoir 3, and the outlet of the first fluid reservoir 3 connects with the entrance of the first refrigerated medium pump 4
It connects, the outlet of the first refrigerated medium pump 4 divides two-way, is connected to the outlet of compressor 1 all the way, and another way is connected to the entrance of expansion valve 5.
The utility model increases by second fluid reservoir in expansion valve outlet, and the second fluid reservoir outlet at bottom is connected to second
Refrigerated medium pump entrance, second refrigerant pump discharge are connected to evaporator inlet, are freezed by the big flow of second refrigerant pump pumping
Agent (originally 2~4 times) passes through evaporator, it is ensured that entire evaporation link is two-phase evaporation link, and no superheat section exists, evaporation
Device 100% is used for cooling heat exchange, simultaneously because evaporator inner refrigerant flow velocity is promoted, further promotes evaporator intraductal heat exchange system
Number promotes whole evaporator heat exchange ability, thus promotes total system efficiency.Evaporator outlet is connected to the second fluid reservoir entrance
On, the outlet that the second fluid reservoir is located at top is connected on compressor.Increase by one between the condenser outlet and expansion valve inlet
First fluid reservoir and the first refrigerated medium pump, the entrance of the first refrigerated medium pump and the outlet of the first fluid reservoir connect, the first refrigerated medium pump
Outlet divides two-way, is connected to compressor outlet all the way, another way is connected to expansion valve.
The principles of the present invention: the refrigerant gas of high temperature and pressure drains into condenser 2 from the outlet of compressor 1, condenses
It at the liquid refrigerant of the general temperature of high pressure, flows in the first fluid reservoir 3, the first refrigerated medium pump 4 extracts liquid from the first fluid reservoir 3
Refrigerant, and be transported in expansion valve 5, enter the second fluid reservoir 6 at the liquid refrigerant of low-temp low-pressure in the throttling of expansion valve 5,
Second fluid reservoir 6 has 2 way outlets, wherein a way outlet is connected to second refrigerant pump intake, is transported to by second refrigerant pump
Sweat cooling in evaporator 8, refrigerant vaporize after absorbing surrounding air heat in evaporator 8, become gas-liquid two-phase cold-producing medium
The second fluid reservoir 6 is returned to, and the air entry for having another way outlet to be connected to compressor 1 at the top of the second fluid reservoir 6, compressor are drawn low
The refrigerant gas of warm low pressure, pressurization is discharged into condenser 2 at the refrigerant gas of high temperature and pressure, to form circulation.
Another outlet of first refrigerated medium pump 4 is connected to the outlet of compressor 1, herein the refrigerant and high temperature of normal temperature high voltage
The gaseous refrigerant mixing of high pressure becomes room temperature gaseous refrigerant and enters in condenser 2.Therefore superheat section is not present in condenser,
Without cooling down high temperature liquid refrigerant at room temperature gaseous refrigerant, therefore whole promotion condenser heat exchange efficiency.Liquid refrigeration
Agent is evaporated in evaporator absorbs surrounding air heat, and liquid refrigerant becomes gaseous refrigerant and siphons away pressurization into height by compressor
The refrigerant gas of warm high pressure is transported in condenser 2, to form circulation.When the outdoor ambient temperature is low, compressor stops
Operation, refrigerated medium pump absorb low-temperature refrigerant liquid from fluid reservoir, are pumped into evaporator and are evaporated heat absorption, then gas-liquid two
Mutually or the refrigerant of gas phase state is flowed in condenser and is distributed heat in outdoor air, is become low-temperature refrigerant liquid and is returned to
Fluid reservoir, forms refrigeration cycle, and the power of pump only has the 7% of compressor horsepower less than energy conservation 80%.
Efficient air-conditioning system provided by the utility model improves integral air conditioner system energy efficiency, improves evaporator as a whole
Exchange capability of heat, improves the coefficient of heat transfer, further improves the condenser coefficient of heat transfer, reduces condensing pressure, improves system
Efficiency, close compressor system is run when outdoor low temperature, passes through pump circulation refrigerant, realizes bigger energy-saving effect.
The utility model also has the advantages that
1. condenser heat exchange amount integrally promotes 10%~15% under healthy compressor operating status, condensing pressure decline
0.5~1bar, compressor power consumption reduce by 10%~15%, and system entirety efficiency promotes 10%~15%.
2. stopping compressor operation in the case where winter makes outdoor environment temperature is low, being run using pump circulation, whole energy consumption
Reduce by 80%.
3. evaporator heat exchange amount integrally promotes 15%~20%, system energy efficiency promotes 8%~10%.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (2)
1. a kind of efficient air-conditioning system, which is characterized in that including compressor (1), condenser (2), evaporator (8), expansion valve
(5), the second fluid reservoir (6) and second refrigerant pump (7)；Expansion valve (5) outlet is connected to the second fluid reservoir (6), the
Two fluid reservoirs (6) outlet at bottom is connected to second refrigerant pump (7) entrance, and second refrigerant pump (7) outlet is connected to evaporator (8)
Entrance, evaporator (8) outlet are connected to the second fluid reservoir (6) entrance, and the second fluid reservoir (6) top exit is connected to compressor (1) and enters
On mouth, compressor (1) outlet is connected to condenser (2) entrance, and condenser (2) outlet is connected to expansion valve (5) entrance.
2. efficient air-conditioning system according to claim 1, which is characterized in that condenser (2) outlet and expansion valve
(5) the first fluid reservoir (3) and the first refrigerated medium pump (4), condenser (2) outlet and the first fluid reservoir are additionally provided between entrance
(3) entrance connection, the outlet of the first fluid reservoir (3) are connect with the entrance of the first refrigerated medium pump (4), the first refrigerated medium pump (4)
Outlet divide two-way, be connected to compressor (1) outlet all the way, another way is connected to the entrance of expansion valve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690656.0U CN209068654U (en) | 2018-10-18 | 2018-10-18 | A kind of efficient air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821690656.0U CN209068654U (en) | 2018-10-18 | 2018-10-18 | A kind of efficient air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209068654U true CN209068654U (en) | 2019-07-05 |
Family
ID=67095226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821690656.0U Active CN209068654U (en) | 2018-10-18 | 2018-10-18 | A kind of efficient air-conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209068654U (en) |
-
2018
- 2018-10-18 CN CN201821690656.0U patent/CN209068654U/en active Active
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