CN1464232A - Split type air-conditioner - Google Patents
Split type air-conditioner Download PDFInfo
- Publication number
- CN1464232A CN1464232A CN 02120979 CN02120979A CN1464232A CN 1464232 A CN1464232 A CN 1464232A CN 02120979 CN02120979 CN 02120979 CN 02120979 A CN02120979 A CN 02120979A CN 1464232 A CN1464232 A CN 1464232A
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- China
- Prior art keywords
- heat converter
- producing medium
- cold
- compressor
- compressors
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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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/07—Details of compressors or related parts
- F25B2400/075—Details of compressors or related parts with parallel compressors
- F25B2400/0751—Details of compressors or related parts with parallel compressors the compressors having different capacities
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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
- F25B31/00—Compressor arrangements
- F25B31/002—Lubrication
- F25B31/004—Lubrication oil recirculating arrangements
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention relates to air conditioner technology. The technological scheme includes installing two compressors of different capacity in the outdoor unit for optional start based on room temperature, connecting the outputs of the two compressors to outdoor heat exchanger to condensate the refrigerant, connecting the output of the outdoor heat exchanger to the expansion valve to make compressed and condensated refrigerant to release heat, connecting the expansion valve to indoor heat exchanger for indoor heat exchange to evaporate refrigerant and separate refrigerant from oil, returning the separated oil to the two compressors, outputting refrigerant via output pipe to two gas-liquid separators for separation and making gaseous refrigerant return to the two compressors for circulation repeatedly while maintaining the liquid refrigerant.
Description
Technical field
The invention belongs to air control and regulation technical field, particularly relate to a kind of minute type air-conditioner, design has according to room temperature and selects different compressor of two capacity starting and yi word pattern outdoor heat converter to improve efficiency of energy utilization in its off-premises station.
Description of drawings
Fig. 1 represents the pie graph of air-conditioner in the past.
Fig. 2 represents that divergence type air-conditioner in the past comprises the oblique view of the off-premises station of compressor and outdoor heat converter.
Fig. 3 is the pie graph of air-conditioner of the present invention.
Fig. 4 is the oblique view that of the present invention minute type air-conditioner comprises the off-premises station of compressor and outdoor heat converter.
Among each figure:
10,11: the 1 and the 2nd compressor, 12: partition walls, 20: outdoor heat converter, 21: fan, 30: expansion valve, 40: indoor heat converter, 41: fan, 50,51: the 1 and the 2nd gas-liquid separator, 60: oil (lubricating oil) separator, 150,151: the 1 and the 2nd input pipe, 160,161: the 1 and the 2nd oil (lubricating oil) efferent duct, 560,561: the cold-producing medium efferent duct.
Background technology
General air-conditioner is made of following accessory: the compressor of compressed refrigerant (10); By heat exchange, with cold-producing medium evaporation or condensing indoor, outer heat-exchanger (40,20); The cold-producing medium of expansion valve (30) and indoor heat converter output is separated, only the cold-producing medium of gas phase state is input to the gas-liquid separator (50) of compressor.
Divided the type air-conditioner such as shown in Figures 1 and 2 in the past, and be arranged on outdoor off-premises station and constitute: a compressor (10) by following accessory; Can increase the outdoor heat converter (20) of heat exchanger effectiveness; The gas-liquid separator that is connected with above-mentioned compressor (50).
Also have, outdoor air can be sent to the fan (21) in the above-mentioned outdoor heat converter (20) after being arranged on; And the partition walls (12) that is provided with of the noise that takes place when reducing above-mentioned compressor (10) and drive.
But, Gou Zao off-premises station like this, in order to increase heat exchange area, above-mentioned outdoor heat converter (20) is arranged on the internal face of the off-premises station that separates with partition walls (12), so just caused the air flow resistance of fan (21) air-supply to increase, so the load of fan (21,41) also increases, thereby the loss of the energy and the increase of noise have been caused.
In addition, because of being provided with above-mentioned partition walls (12), manufacturing expense also will increase, and because of the weight of outdoor heat converter is big, cause off-premises station weight inhomogeneous, take place damaged during carrying easily.
Have, even under minimum cooling load condition, also want whole compressor overall startup with big refrigerating capacity, so the driving of compressor and non-validity, noise is also big.
Summary of the invention
Goal of the invention:
The present invention is in order to solve the technical problem that exists in the above-mentioned known technology, a kind of minute type air-conditioner disclosed, two ends are provided with compressor and the yi word pattern outdoor heat converter of selecting two different capabilities of startup according to room temperature in its off-premises station, to improve utilization efficiency of energy, reduce noise.
The present invention is in order to reach this purpose, the branch type air-conditioner that comprises off-premises station technical scheme is provided, two ends are equipped with two different compressors of capacity and optionally start according to room temperature in its off-premises station, the efferent duct of two compressors also is connected to the inlet of outdoor heat converter repeatedly, it is condensing to make compressed cold-producing medium and outdoor air carry out the heat exchange cooling in outdoor heat converter, the outlet of outdoor heat converter connects expansion valve, making compressed cold-producing medium expansion discharge and be connected to indoor heat converter enters the mouth, in indoor heat converter, carry out being connected to the oil eliminator inlet after heat exchange makes the cold-producing medium evaporation with room air, cold-producing medium is separated with oil, separating oil takes back two compressors from oily efferent duct, cold-producing medium is transported to two gas-liquid separators inlet respectively by the cold-producing medium efferent duct, liquid phase refrigerant is retained, vapor phase refrigerant takes back the two compressors input mouth of pipe, repetitive cycling.
The specific embodiment
In order to further describe the formation of branch type air-conditioner, as follows with reference to description of drawings.
Fig. 3 is the pie graph of air-conditioner of the present invention, and Fig. 4 is the oblique view that of the present invention minute type air-conditioner comprises the off-premises station of compressor and outdoor heat converter.
As shown in Figure 3, the the 1st and the 2nd compressor (10,11) efferent duct is connected with outdoor heat converter (20) inlet, and the outdoor heat converter outlet is connected with the inlet of the expansion valve (30) that diameter is reduced, and the outlet of above-mentioned expansion valve (30) is connected with indoor heat converter (40) inlet.
The efferent duct of indoor heat converter (40) connects oil (lubricating oil) separator (60) inlet, the the 1st and the 2nd refrigerant discharge leader (560 of oil (lubricating oil) separator, 561) be connected respectively with at middle the 1st and the 2nd corresponding gas-liquid separator (50,51) of the 1st and the 2nd compressor (10,11).
The the 1st and the 2nd input pipe (150,151) of the outlet of two gas-liquid separators (50,51) and the 1st and the 2nd compressor (10,11) is connected.
The off-premises station that possesses above-mentioned annexation the inhomogeneous of weight can not occur as shown in Figure 4, makes than being easier to yet.
Promptly, two compressors (10,11) are arranged on the both sides in the off-premises station, and the efferent duct of two compressors is connected with the inlet of outdoor heat converter (20), two gas-liquid separators (50,51) that are connected with the compressor input pipe also are separately positioned on a side of each compressor.
At this moment, the refrigerating capacity of above-mentioned two compressors is identical with the refrigerating capacity of compressor in the past, and above-mentioned outdoor heat converter (20) is yi word pattern along the internal face of off-premises station to be installed, and its rear has disposed fan (21).
In addition, the both sides of said fans (21) are provided with compressor, and along with the rotation of fan at middle position, extraneous air flows to outdoor heat converter by the ventilating opening of off-premises station.
Have again, in the indoor heat converter (40) of indoor setting, be mixed with the oil (lubricating oil) that flows out from compressor (10,11) in the cold-producing medium of evaporation output, the oil eliminator (60) that separates above-mentioned oil is by cold-producing medium efferent duct (560,561) with each gas-liquid separator (50,51) inlet connects, oil (lubricating oil) efferent duct (160,161) connects with two compressor input pipes (150,151).
The operation operation process of of the present invention minute type air-conditioner is as follows:
When outside air temperature is high, the temperature of room air is also high, and in order to keep the indoor temperature of having freezed, under the bigger situation of indoor cooling load, the 1st compressor (10) and the 2nd compressor (11) start simultaneously.
Promptly, the 1st compressor (10) and the 2nd compressor (11) turn round simultaneously, refrigerant compressed enters into outdoor heat converter (20) by its efferent duct, enter into the pipeline of the high-temperature high-pressure refrigerant of above-mentioned outdoor heat converter by its multiple row pipe formation, and the rotation of dependence fan (21), cold-producing medium and outdoor air are carried out heat exchange, and heat is released out, and cold-producing medium is then condensing to be liquid phase refrigerant.
Condensing cold-producing medium reduces pressure by expansion valve (30) and forms the liquid phase refrigerant of low-temp low-pressure, inputs in the indoor heat converter (40), because the rotation of fan (41), with the room air exchange heat, heat absorption is evaporated to gas.
The cold-producing medium of above-mentioned evaporation is input in the oil eliminator (60), the oil of using for lubricated and solar heat protection during with driven compressor separates with cold-producing medium, cold-producing medium is by the 1st and the 2nd cold-producing medium efferent duct (560,561) to the 1st and the 2nd compressor (10,11) the 1st and the 2nd gas-liquid separator (50,51) of Lian Jieing flows.
Cold-producing medium by the 1st and the 2nd gas-liquid separator is isolated vapor phase refrigerant, flows into the 1st and the 2nd compressor (10,11) by the 1st and the 2nd input pipe (150,151).
The oil (lubricating oil) that separates in oil eliminator (60) is transplanted on the input pipe (150,151) of compressor by the 1st and the 2nd oily efferent duct (160,161), and is recovered in the 1st and the 2nd compressor.
The specified refrigerating capacity that is in bigger the 1st compressor (10) of specific capacity when outside air temperature is little, and during the big temperature conditions of the specified refrigerating capacity of less the 2nd compressor (11) of specific capacity, start the 1st compressor (10), and keep the halted state of the 2nd compressor (11).
Condensing during at the outdoor heat converter (20) by yi word pattern through the gaseous refrigerant of the HTHP of the 1st compressor (10) compression, through expansion valve (30) and indoor heat converter (40) time, evaporate, flow in the oil eliminator (60).
In oil eliminator (60), oil separates with cold-producing medium, and separated cold-producing medium flow in the 1st gas-liquid separator (50) by the 1st cold-producing medium efferent duct (560), and oil then flow in the 1st compressor (10) by the input pipe (150) of the 1st compressor (10).
The vapor phase refrigerant of separating with liquid phase refrigerant in the 1st gas-liquid separator (50) also flow in the 1st compressor (10) by the input pipe (150) of the 1st compressor.
When external temperature is littler than the specified refrigerating capacity of the 1st compressor (10), and during than the also little temperature conditions of specified refrigerating capacity of the 2nd compressor (11), have only the 2nd compressor (11) to start, and the 1st compressor (10) is in halted state.
When outdoor heat converter (20) by yi word pattern of the cold-producing medium of the gaseous state of the HTHP of the 2nd compressor (11) compression, form the liquid refrigerant of low-temp low-pressure, through expansion valve (30) and indoor heat converter (40), the cold-producing medium of evaporation flow in the oil eliminator (60).
By above-mentioned oil eliminator (60), cold-producing medium separates with the oil (lubricating oil) that flows out from compressor, flow in the 2nd gas-liquid separator (51) by the 2nd cold-producing medium efferent duct (561).
At this moment, in the time of in passing through above-mentioned the 2nd gas-liquid separator (51), the liquid phase refrigerant that density is big is separated, is stored in the gas-liquid separator (51), have only the little vapor phase refrigerant of density to flow in the 2nd compressor (11), continuously circulation repeatedly by the 2nd input pipe (151).
In addition, the oily efferent duct (161) of oil by being connected with the 2nd compressor (11) input pipe (151) that above-mentioned oil eliminator (60) separates flows to the 2nd compressor, makes the driving of compressor lubricated, can not cause the overheated of compressor and the damage of generation.
With such method, according to external temperature optionally during the drive compression machine, for the cold-producing medium in the condensing outdoor heat converter, the pressure loss of the pressure loss during outdoor heat converter (20) of extraneous air by yi word pattern than by crooked outdoor heat converter the time lacked, so fan rotor load is also little, therefore less fan (21) can be set in off-premises station.
The effect of invention:
The present invention is as structure described above and operating process, along with the external temperature bar Part changes, and two different compressors of refrigerating capacity are optionally used, and is therefore, anti-End the non-effective driving of compressor, improved the utilization ratio of the energy, power consumption Also reduce.
In addition, because heat exchanger is designed to yi word pattern, so the weight of off-premises station is even Distribute, prevented the breakage that produces in the handling process, through flowing of the air of heat exchanger Resistance reduces, and the energy use efficiency of air-conditioner is improved.
With the above, along with the requirement of cooling load, two the compressor that capacity is different Optionally use and use the yi word pattern outdoor heat converter that reduces air flow resistance, Ratio noise in the past is little, and does not have the in addition partition walls of setting, and it is empty to have reduced like this design Between waste, also reduced cost of manufacture.
Above-mentioned air flow resistance reduces, and fan rotor load also reduces, thus can dispose small fan, so off-premises station also can be made into small-sized.
Claims (3)
1. a branch type air-conditioner is by compressor, outdoor heat converter, expansion valve, indoor heat converter, oil eliminator, gas-liquid separator constitutes, it is characterized in that: the two ends in its off-premises station are equipped with the different compressor of two capacity and optionally start according to room temperature, the efferent duct of two compressors also is connected to the inlet of outdoor heat converter repeatedly, it is condensing to make compressed cold-producing medium and outdoor air carry out the heat exchange cooling in outdoor heat converter, the outlet of outdoor heat converter connects expansion valve, making compressed cold-producing medium expansion discharge and be connected to indoor heat converter enters the mouth, carrying out heat exchange with room air in indoor heat converter makes and is connected to the oil eliminator inlet behind the cold-producing medium sweat cooling cold-producing medium is separated with oil, separating oil takes back two compressors from oily efferent duct, cold-producing medium is transported to two gas-liquid separators inlet respectively by the cold-producing medium efferent duct, liquid phase refrigerant is retained, vapor phase refrigerant takes back the two compressors input mouth of pipe, repetitive cycling.
2. the type air-conditioner is characterized in that in according to claim 1 minute: the corresponding two ends that are installed in the off-premises station of above-mentioned two compressors and gas-liquid separator thereof.
3. the type air-conditioner is characterized in that in according to claim 1 minute: above-mentioned outdoor heat converter is yi word pattern and is installed in the off-premises station, makes off-premises station gravity balance, heat-exchange performance good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02120979 CN1464232A (en) | 2002-06-07 | 2002-06-07 | Split type air-conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02120979 CN1464232A (en) | 2002-06-07 | 2002-06-07 | Split type air-conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1464232A true CN1464232A (en) | 2003-12-31 |
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ID=29742690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02120979 Pending CN1464232A (en) | 2002-06-07 | 2002-06-07 | Split type air-conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1464232A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538144A (en) * | 2012-02-14 | 2012-07-04 | 美的集团有限公司 | Control method of multi-connected air conditioning unit |
| CN106440561A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioning system, control method thereof and passenger car air conditioner with air conditioning system |
-
2002
- 2002-06-07 CN CN 02120979 patent/CN1464232A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102538144A (en) * | 2012-02-14 | 2012-07-04 | 美的集团有限公司 | Control method of multi-connected air conditioning unit |
| CN102538144B (en) * | 2012-02-14 | 2014-04-16 | 美的集团股份有限公司 | Multi-connected air-conditioning unit control method |
| CN106440561A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioning system, control method thereof and passenger car air conditioner with air conditioning system |
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