CN202001303U - Compressor and air conditioning system provided with same - Google Patents
Compressor and air conditioning system provided with same Download PDFInfo
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- CN202001303U CN202001303U CN2011200443868U CN201120044386U CN202001303U CN 202001303 U CN202001303 U CN 202001303U CN 2011200443868 U CN2011200443868 U CN 2011200443868U CN 201120044386 U CN201120044386 U CN 201120044386U CN 202001303 U CN202001303 U CN 202001303U
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Abstract
The utility model provides a compressor and an air conditioning system provided with the compressor. The compressor comprises a housing assembly, a motor assembly and a compression assembly, wherein the housing assembly is internally provided with a first cavity; the motor assembly is arranged in the first cavity; the compression assembly is arranged in the first cavity and comprises a first cylinder and a second cylinder; the first cylinder comprises a first air exhaust opening, and the first air exhaust opening is communicated with the first cavity; the second cylinder comprises a first air suction opening, and the first air suction opening is communicated with the first cavity. The air conditioning system comprises the compressor. The motor assembly is cooled after the first-stage compression, thereby preventing the temperature of the motor assembly from being overhigh due to the overhigh air exhaust temperature after the second-stage or multi-stage compression, and improving the stability of the compressor and the whole air conditioning system. Low-temperature medium-pressure air is introduced into the air supply assembly to further cool the motor assembly, thereby reducing the air suction temperature during the second-stage compression.
Description
Technical field
The utility model relates to air-conditioning technical field, more specifically, relates to a kind of compressor and has the air-conditioning system of this compressor.
Background technique
Existing rotor-type compressor all adopts the high back pressure structure, sucks gaseous coolant by liquor separator and compresses in cylinder.High Temperature High Pressure refrigerant after the compression is discharged to outside the compressor after motor is cooled off, and enters systemic circulation.
At present, the employed two kinds of main refrigeration agents of field of air conditioning are R22 and R410A, because R22 has destruction to atmospheric ozone layer, and R410A belongs to HFCs, it is the transitional alternative refrigerant of HCFCs (as R22), GWP value higher (about 2100), these two kinds of refrigeration agents all will be faced with eliminates and replaces.(difluoromethane, CH2F2) because its ODP is 0, GWP lower (about 675) and the COP of system are higher, are considered to one of refrigeration agent of more potential alternative R22 and R410A for R32.But because R32 has higher delivery temperature, and high delivery temperature can cause motor temperature too high, thereby influences the reliability of compressor, and this has just limited the use of R32.
In addition, in the application of high compression ratio and high load,, thereby make the efficient of compressor and reliability reduce because the excessive discharge temperature of refrigerant also can cause motor temperature too high.
The model utility content
The utility model aims to provide and a kind ofly can reduce motor temperature, improves the compressor of compressor reliability and have the air-conditioning system of this compressor.
For achieving the above object, according to an aspect of the present utility model, provide a kind of compressor, comprised frame set, the inside of frame set has first cavity; Electric machine assembly is arranged in first cavity; Compression assembly is arranged in first cavity, and compression assembly comprises first cylinder and second cylinder; First cylinder comprises first relief opening, and first relief opening is connected with first cavity; Second cylinder comprises first intakeport, and first intakeport is connected with first cavity.
Further, compressor also comprises air pipe, and first end of air pipe is connected with first relief opening, and its second end is connected with first cavity.
Further, second end of air pipe is provided with second relief opening, and second relief opening is arranged on the top of electric machine assembly.
Further, second end of air pipe is provided with second relief opening, and second relief opening is arranged on the below of electric machine assembly.
Further, compression assembly also comprises lower flange and bottom silencer, has second cavity between lower flange and the bottom silencer, and second cavity is connected with first relief opening and first cavity respectively.
Further, compressor also comprises air pipe, and first end of air pipe is connected with the relief opening of lower flange, and its second end is connected with first cavity.
Further, compressor also comprises the tonifying Qi assembly, and the tonifying Qi assembly comprises the housing blowdown pipe, and the housing blowdown pipe is connected with frame set, and is connected with first cavity.
Further, the tonifying Qi assembly also comprises aeration valve, and aeration valve is arranged on the housing blowdown pipe.
According to another aspect of the present utility model, a kind of air-conditioning system is provided, comprise aforesaid compressor.
Further, air-conditioning system also comprises oil separator, is connected with compressor.
Adopt compressor of the present utility model and have the air-conditioning system of this compressor, cold media air is after the compression of first cylinder, and the gas that transfers medium temperature and medium pressure to enters first cavity via first relief opening, and electric machine assembly is cooled off; Subsequently, cold media air is inhaled into second cylinder via first intakeport of second cylinder, carries out second level compression.Owing to electric machine assembly is cooled off in first order compression back, effectively reduce the temperature of electric machine assembly, avoid carrying out the generation of secondary even the too high too high phenomenon of electric machine assembly temperature that causes of multistage compression final vacuum temperature, improved the reliability of compressor and even whole air-conditioning system.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 is according to first embodiment's of compressor of the present utility model structure and the gas flow schematic representation under the working state;
Fig. 2 is according to second embodiment's of compressor of the present utility model structure and the gas flow schematic representation under the working state;
Fig. 3 is according to the 3rd embodiment's of compressor of the present utility model structure and the gas flow schematic representation under the working state;
Fig. 4 is according to the 4th embodiment's of compressor of the present utility model structure and the gas flow schematic representation under the working state;
Fig. 5 is according to the 5th embodiment's of compressor of the present utility model structure and the gas flow schematic representation under the working state; And
Fig. 6 is the structural representation according to air-conditioning system of the present utility model.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the utility model in detail.
The utility model provides a kind of compressor, comprises frame set 30, and the inside of frame set 30 has first cavity; Electric machine assembly 20 is arranged in first cavity; Compression assembly 10 is arranged in first cavity, and compression assembly 10 comprises first cylinder 12 and second cylinder 16; First cylinder 12 comprises first relief opening, and first relief opening is connected with first cavity; Second cylinder 16 comprises first intakeport, and first intakeport is connected with first cavity.
As shown in Figure 1, the cavity of frame set 30 inside is first cavity, and first cavity inside is distributed with electric machine assembly 20 and compression assembly 10.When compressor operating, cold media air is pressed the motion of the direction shown in the arrow among the figure, enter first cylinder 12 from liquor separator 50 and compress, the cold media air after the compression is discharged via first relief opening that is connected with first cavity of first cylinder 12, and finally enters first cavity.Because cold media air is in the boil down to one-level compression of first cylinder, therefore the cold media air after the compression is the gas of medium temperature and medium pressure, and cold media air cools off electric machine assembly after entering first cavity, reduces the temperature of electric machine assembly, guarantees the normal operation of compressor; Subsequently, cold media air is inhaled into second cylinder via first intakeport of second cylinder 16 that is connected with first cavity, carries out second level compression.Owing to after first order compression, promptly electric machine assembly 20 is cooled off, effectively reduce the temperature of electric machine assembly 20, electric machine assembly 20 moves under the environment of middle temperature, has improved electric efficiency, guarantee electric machine assembly 20 reliabilities of operation, thereby also improved the reliability of compressor operating.
That shown in Figure 1 is first embodiment of the present utility model, in this embodiment, the sucking pipe of cold media air from liquor separator 50 enters first cylinder 12, in first cylinder 12, carry out the low pressure compression, medium temperature and medium pressure gas after the compression enters in second cavity between lower flange 13 and the bottom silencer 14 via first relief opening of first cylinder 12 and the inlet hole on the lower flange 13, in first cavity that exhaust port from the lower flange 13 is discharged and finally entered with second cavity is connected, electric machine assembly 20 is cooled again.As shown in Figure 1, in the present embodiment, the cold media air of discharging from lower flange 13 enters in first cavity through the exhaust port on first cylinder 12, pump housing dividing plate 15, second cylinder 16 and the upper flange 17 successively.
Compressor as shown in Figure 1 also comprises tonifying Qi assembly 40, and tonifying Qi assembly 40 comprises housing blowdown pipe 41, and housing blowdown pipe 41 is connected with frame set 30, and is connected with first cavity.
In the present embodiment, on frame set 30, increase the housing blowdown pipe 41 that is connected with first cavity, the gaseous coolant of pressing in the introducing low temperature from air-conditioning system is in housing blowdown pipe 41 enters first cavity of frame set 30 inside, electric machine assembly 20 is further cooled, guarantee that electric machine assembly 20 moves in the environment of middle temperature, improve the efficient of electric machine assembly 20, guarantee electric machine assembly 20 reliabilities of operation.In addition, this portion gas mixes with the cold media air of discharging from first cylinder 12, finishes heat exchange, further reduces the temperature of the gas of discharging from first cylinder 12.Mixed gas after the heat exchange finally compresses via the air aspiration cavity that first intakeport of second cylinder 16 enters second cylinder 16, and the gas after the compression is discharged compressor, enters systemic circulation.The temperature of mixing back gas is lower than the gas temperature of discharging from first cylinder 12, thereby has reduced the inhalation temperature of second cylinder 16, has realized the reduction of compressor exhaust temperature.The reduction of delivery temperature has not only improved compression efficiency, can also guarantee oil body, improves the reliability of compressor.In the present embodiment, mixed gas in first cavity enters second cylinder 16 via the inlet hole of upper flange 17 and first intakeport on second cylinder 16 and compresses, and gas after compression is by discharging compressors with the outlet pipe 18 of upper flange 17 interference fit.
Tonifying Qi assembly 40 also comprises aeration valve 42, and aeration valve 42 is arranged on the housing blowdown pipe 41.
As shown in Figure 1,, aeration valve 42 is set on housing blowdown pipe 41, controls the gaseous coolant amount of pressing in the low temperature in first cavity that sprays frame set 30 by aeration valve 42 for obtaining best tonifying Qi effect.By the control of air compensation and determining of gas supplementary structure relevant parameter, can improve compressor performance effectively, guarantee the reliability of compressor.In the present embodiment, aeration valve 42 is a solenoid valve.
Compressor also comprises air pipe 19, and first end of air pipe 19 is connected with first relief opening, and its second end is connected with first cavity.Preferably, as shown in Figure 2, in a second embodiment, second end of air pipe 19 is provided with second relief opening, and second relief opening is arranged on the below of electric machine assembly 20.
As shown in Figure 2, according to second embodiment of the present utility model, compressor comprises air pipe 19.Flow direction with reference to the cold media air shown in the arrow among Fig. 2 and Fig. 1, second embodiment and first embodiment's difference is, the medium temperature and medium pressure gas of discharging from first cylinder 12 among first embodiment is that the exhaust port from the cylinder enters in first cavity of frame set 30, is the flat pattern in inside; And after the medium temperature and medium pressure gas of discharging from second cylinder 12 among second embodiment discharges from first relief opening of first cylinder, second relief opening via air pipe 19 second ends, enter in first cavity of frame set 30 from the below of electric machine assembly 20, be the flat pattern in outside.In the present embodiment, the cold media air after the compression enters first cylinder 12 after discharging from the relief opening of lower flange 13, and the exhaust port on first cylinder 12 enters air pipe 19 again.
Outside flat scheme among second embodiment, the air pipe 19 that can make full use of frame set 30 outsides contacts with frame set 30 air outside, make gas stream when the air pipe 19 of frame set 30 outsides and air carry out heat exchange, gas temperature in first cavity is discharged and introduced to reduction from first cylinder 12, improves the heat exchanging function of cold media air and electric machine assembly 20.
As shown in Figure 3, according to the 3rd embodiment of compressor of the present utility model, second end of air pipe 19 is provided with second relief opening, and second relief opening is arranged on the top of electric machine assembly 20.In the present embodiment, the cold media air after the compression enters first cylinder 12 after discharging from the relief opening of lower flange 13, and the pore on first cylinder 12 enters air pipe 19 again.
Different with second embodiment is that second relief opening of the air pipe 19 among the 3rd embodiment is arranged on the top of electric machine assembly 20.Hence one can see that, air pipe among air pipe 19 to the second embodiments among the 3rd embodiment is longer, heat exchange area is bigger, heat-exchange time is more abundant, can carry out heat exchange with frame set 30 air outside more fully, can further reduce from first cylinder 12 and discharge and introduce gas temperature in first cavity, improve electric efficiency.
As shown in Figure 4, according to the 4th embodiment of compressor of the present utility model, the flow direction of cold media air is shown in arrow among the figure, and first end of air pipe 19 is connected with the relief opening of lower flange 13, and its second end is connected with first cavity.
Different with second embodiment is, after the cold media air after 12 compressions of first cylinder is drawn via the relief opening of lower flange 13, enters air pipe 19 through first end of air pipe 19, and enters first cavity from its second end.
The 5th embodiment according to compressor of the present utility model as shown in Figure 5, the flow direction of cold media air is shown in arrow among the figure.
Different with the 3rd embodiment is, after the cold media air after 12 compressions of first cylinder is drawn via the relief opening of lower flange 13, enters air pipe 19 through first end of air pipe 19, and enters first cavity from its second end.
The utility model also provides a kind of air-conditioning system, comprises aforesaid compressor 100.
The utility model will be incorporated in first cavity of frame set 30 as the gas that first cylinder 12 of low pressure stage is discharged, thereby electric machine assembly 20 is effectively cooled off; Simultaneously, by tonifying Qi assembly 40 gaseous coolant of pressing in the low temperature is incorporated in first cavity, when electric machine assembly 20 is cooled off, mix with the low pressure stage exhaust and exhaust cools to low pressure stage, thereby reduced inhalation temperature, reduced the final delivery temperature of compressor as second cylinder 16 of high pressure stage.Electric machine assembly 20 moves in the environment of middle temperature, has improved the efficient of electric machine assembly 20, has guaranteed electric machine assembly 20 reliabilities of operation; The reduction of delivery temperature can guarantee oil body, improves the reliability of compressor 100, thereby has improved whole air-conditioning system reliability of operation.
Preferably, air-conditioning system also comprises oil separator 200, is connected with compressor 100.
As shown in Figure 6, comprise in the air-conditioning system: making-up air device 400, making-up air device 400 is connected with tonifying Qi assembly 40 on the aforesaid compressor 100; Oil separator 200 is connected with compressor 100; Condenser 300, the one end is connected with oil separator 200, and the other end is connected with first expansion valve 500 of air-conditioning system; Flash vessel 600, the one end is connected with first expansion valve 500, and the other end is connected with making-up air device 400; Second expansion valve 700, the one end is connected with flash vessel 600, and the other end is connected with vaporizer 800, and the other end of vaporizer 800 is connected with compressor 100.
With reference to Fig. 1 and Fig. 6, oil content is bigger in the cold media air that discharge from outlet pipe 18 secondary compression back, therefore in system, increased oil separator 200, reduced the oil content in the cold media air of discharging after the compressor compresses, and made the lubricant oil of separating be back to the compressor cycle use.The setting of oil separator 200 has reduced the oil content of refrigerant in the air-conditioning system, improves the performance of air-conditioning system.
In addition, also comprise making-up air device 400 in the system, be connected with tonifying Qi assembly 40 on the aforesaid compressor 100, and from air-conditioning system, introduce the attitude refrigerant of calming the anger in the low temperature by housing blowdown pipe 41.In addition, in order to control air compensation, increase the component that tonifying Qi needs in air-conditioning system: first expansion valve 500, this valve are the throttling electric expansion valve; Flash vessel 600 etc.For obtaining best tonifying Qi effect, can control the attitude coolant quantity of calming the anger in the low temperature in first cavity that sprays frame set 30 by the tonifying Qi solenoid valve on the making-up air device 400, by the control of air compensation and determining of gas supplementary structure relevant parameter, can improve compressor performance effectively, guarantee the reliability of compressor unit and air-conditioning system.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Adopt compressor of the present utility model and have the air-conditioning system of this compressor, in the first order compression back electric machine assembly is cooled off, effectively reduce the temperature of electric machine assembly, avoid carrying out the generation of secondary even the too high too high phenomenon of electric machine assembly temperature that causes of multistage compression final vacuum temperature, improved the reliability of compressor and even whole air-conditioning system.In addition, setting by the tonifying Qi assembly, introducing the gas of pressing in the low temperature further cools to electric machine assembly, and mix with gas that first cylinder go out to be discharged, thereby reduced the inhalation temperature of second level compression, realized the reduction of compressor exhaust temperature, improved compression efficiency, guarantee oil body, improved the reliability of compressor.
Be preferred embodiment of the present utility model only below, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. compressor comprises:
Frame set (30), the inside of described frame set (30) has first cavity;
Electric machine assembly (20) is arranged in described first cavity;
Compression assembly (10) is arranged in described first cavity, and described compression assembly (10) comprises first cylinder (12) and second cylinder (16),
It is characterized in that,
Described first cylinder (12) comprises first relief opening, and described first relief opening is connected with described first cavity;
Described second cylinder (16) comprises first intakeport, and described first intakeport is connected with described first cavity.
2. compressor according to claim 1 is characterized in that, also comprises air pipe (19), and first end of described air pipe (19) is connected with described first relief opening, and its second end is connected with described first cavity.
3. compressor according to claim 2 is characterized in that, second end of described air pipe (19) is provided with second relief opening, and described second relief opening is arranged on the top of described electric machine assembly (20).
4. compressor according to claim 2 is characterized in that, second end of described air pipe (19) is provided with second relief opening, and described second relief opening is arranged on the below of described electric machine assembly (20).
5. compressor according to claim 1, it is characterized in that, described compression assembly (10) also comprises lower flange (13) and bottom silencer (14), have second cavity between described lower flange (13) and the bottom silencer (14), described second cavity is connected with described first relief opening and described first cavity respectively.
6. compressor according to claim 5 is characterized in that, also comprises air pipe (19), and first end of described air pipe (19) is connected with the relief opening of described lower flange (13), and its second end is connected with described first cavity.
7. according to each described compressor in the claim 1 to 6, it is characterized in that also comprise tonifying Qi assembly (40), described tonifying Qi assembly (40) comprises housing blowdown pipe (41), described housing blowdown pipe (41) is connected with described frame set (30), and is connected with described first cavity.
8. compressor according to claim 7 is characterized in that, described tonifying Qi assembly (40) also comprises aeration valve (42), and described aeration valve (42) is arranged on the described housing blowdown pipe (41).
9. an air-conditioning system is characterized in that, comprises each described compressor in the claim 1 to 8.
10. air-conditioning system according to claim 9 is characterized in that, described air-conditioning system also comprises:
Oil separator is connected with described compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200443868U CN202001303U (en) | 2011-02-22 | 2011-02-22 | Compressor and air conditioning system provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200443868U CN202001303U (en) | 2011-02-22 | 2011-02-22 | Compressor and air conditioning system provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202001303U true CN202001303U (en) | 2011-10-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200443868U Expired - Lifetime CN202001303U (en) | 2011-02-22 | 2011-02-22 | Compressor and air conditioning system provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202001303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644592A (en) * | 2011-02-22 | 2012-08-22 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system with same |
| CN103291623A (en) * | 2012-02-24 | 2013-09-11 | 乐金电子(天津)电器有限公司 | Rotary compressor |
| CN104158330A (en) * | 2013-05-14 | 2014-11-19 | 日立空调·家用电器株式会社 | Electric motor and air conditioner using same |
-
2011
- 2011-02-22 CN CN2011200443868U patent/CN202001303U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644592A (en) * | 2011-02-22 | 2012-08-22 | 珠海格力电器股份有限公司 | Compressor and air-conditioning system with same |
| CN103291623A (en) * | 2012-02-24 | 2013-09-11 | 乐金电子(天津)电器有限公司 | Rotary compressor |
| CN103291623B (en) * | 2012-02-24 | 2016-08-10 | 乐金电子(天津)电器有限公司 | A kind of rotary compressor |
| CN104158330A (en) * | 2013-05-14 | 2014-11-19 | 日立空调·家用电器株式会社 | Electric motor and air conditioner using same |
| CN104158330B (en) * | 2013-05-14 | 2016-10-19 | 江森自控日立空调技术（香港）有限公司 | Motor and employ the air conditioner of this motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111005 |
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| CX01 | Expiry of patent term |