CN201588759U - Closed rotary compressor - Google Patents
Closed rotary compressor Download PDFInfo
- Publication number
- CN201588759U CN201588759U CN 200920295849 CN200920295849U CN201588759U CN 201588759 U CN201588759 U CN 201588759U CN 200920295849 CN200920295849 CN 200920295849 CN 200920295849 U CN200920295849 U CN 200920295849U CN 201588759 U CN201588759 U CN 201588759U
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- low pressure
- housing
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- electric machine
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Abstract
The utility model relates to a closed rotary compressor which comprises a motor component and a compression component arranged in a closed housing, wherein more than one low-voltage region is surrounded by the motor component and/or the compression component and the housing, an air suction pipe and an exhaust pipe are arranged on the rotary compressor, the air suction pipe is communicated with the low-voltage region, the low-voltage region is communicated with an air suction channel of the compression component, and the air suction channel is communicated with a cylinder compression cavity. The motor component is positioned above the compression component, the low-voltage region comprises a first low-voltage region and a second low-voltage region which are communicated, the first low-voltage region is surrounded by the motor component and the upper part of the housing, and the second low-voltage region is surrounded by the motor component, the compression component and the middle part of the housing; and one end of the air suction pipe penetrates through the housing and then is communicated with the first low-voltage region or the second low-voltage region. The closed rotary compressor is characterized by simple and reasonable structure, low manufacturing cost, high safety degree, small quantity of refrigerant packaged in the housing of the compressor and the system and wide range of application.
Description
Technical field
The utility model relates to a kind of closed rotating compressor.
Background technique
The R22 refrigeration agent is classified as the refrigeration agent that time limit is progressively eliminated by " Montreal is agreed " book.Europe, Japan begin to turn to the R410A refrigeration agent to substitute already, and the U.S. also will forbid that in 2010 R22 uses in new refrigeration product.China has also accelerated the paces that R22 eliminates, and will be frozen in the average level in 2009～2010 years in 2013, will reach 10% the requirement of cutting down baseline values in 2015.And more domestic main brands also begin to release the environment-friendly air conditioner of R410A as refrigeration agent.Yet the GWP value of R410A is also bigger than R22, and " Kyoto Protocol " classified R410A as the greenhouse gases of controlled discharge, and all R410A never are long-range replacement schemes.
As HCFC, as R22, and HFC, as the alternative refrigerant of R410A or R407C, existing carbon-hydrogen refrigerant industry is the most paid close attention to.But, when carbon-hydrogen refrigerant is used for air-conditioner system, a very important problem is arranged, be exactly that it has high combustibility, must limit the refrigeration agent enclosed volume of hydrocarbon air-conditioner system.Therefore, be necessary to reduce significantly compressor housing internal volume and refrigeration oil enclosed volume,, thereby make that the refrigeration agent enclosed volume of air conditioner machine system is also reduced with the amount of refrigerant in the minimizing compressor housing.
The model utility content
The purpose of this utility model aim to provide a kind of simple and reasonable, fabricating cost is low, safety rate is high, the volume of the cooling medium closed rotating compressor also fewer, applied widely that encapsulates in few, the system of the volume of the cooling medium of encapsulation in the compressor housing, to overcome deficiency of the prior art.
A kind of closed rotating compressor by this purpose design, comprise the electric machine assembly and the compression assembly that are arranged in the closed shell, electric machine assembly and/or compression assembly and housing surround more than one area of low pressure, rotary compressor is provided with sucking pipe and outlet pipe, it is characterized in that sucking pipe communicates with the area of low pressure, the area of low pressure communicates with the air intake passage of compression assembly, and air intake passage communicates with the cylinder compression chamber.
Described electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises first area of low pressure and second area of low pressure that communicates, first area of low pressure is surrounded by electric machine assembly and housing top, and second area of low pressure is by surrounding in the middle part of electric machine assembly and compression assembly and the housing; One end of sucking pipe communicates with first area of low pressure or second area of low pressure after passing housing, and outlet pipe communicates with the exhaust passage of compression assembly.
Described sucking pipe comprises first sucking pipe and second sucking pipe, wherein, one end of first sucking pipe communicates with first area of low pressure and/or second area of low pressure after passing housing, suction port direct and on the compression assembly communicated after one end of second sucking pipe passed housing, and suction port communicates with the cylinder compression chamber.
Described compression assembly is positioned at the top of electric machine assembly, and compression assembly and housing top surround the high-pressure area, and the high-pressure area communicates with the exhaust passage of compression assembly, and outlet pipe communicates with the high-pressure area; Compression assembly, electric machine assembly and housing middle part surround the area of low pressure jointly, and an end of sucking pipe communicates with the area of low pressure after passing housing.
Perhaps, compression assembly is positioned at the top of electric machine assembly, and outlet pipe communicates with the exhaust passage of compression assembly; Compression assembly, electric machine assembly and housing middle part surround the area of low pressure jointly, and an end of sucking pipe communicates with the area of low pressure after passing housing.
Described electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises the 3rd area of low pressure and the 4th area of low pressure that communicates, the 3rd area of low pressure is surrounded by electric machine assembly and housing top, and the 4th area of low pressure is surrounded jointly by electric machine assembly, compression assembly and housing middle part; Compression assembly and lower housing portion surround the high-pressure area, and the high-pressure area communicates with the exhaust passage of compression assembly, and outlet pipe communicates with the high-pressure area; One end of sucking pipe communicates with the 3rd area of low pressure or the 4th area of low pressure after passing housing;
Perhaps, electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises the 3rd area of low pressure and the 4th area of low pressure that communicates, and the 3rd area of low pressure is surrounded by electric machine assembly and housing top, and the 4th area of low pressure is surrounded jointly by electric machine assembly, compression assembly and housing middle part; One end of sucking pipe communicates with the 3rd area of low pressure or the 4th area of low pressure after passing housing, and outlet pipe communicates with the exhaust passage of compression assembly.
Described closed rotating compressor is the closed rotating compressor of combustible refrigerant, or the closed rotating compressor of non-combustible refrigeration agent; The closed rotating compressor of combustible refrigerant comprises the closed rotating compressor of carbon-hydrogen refrigerant.
In the general operating conditions of air-conditioning system or refrigeration system, exhaust pressure, promptly high pressure is about pressure of inspiration(Pi), i.e. low pressure, 2～4 times.Characteristic according to refrigeration agent, the pressure of refrigerant gas is high more, then the density of refrigeration agent is big more, so, when exhaust pressure is about 2～4 times of pressure of inspiration(Pi), is in refrigerant density under the exhaust pressure state and is about 2～4 times of the refrigerant density that is in the pressure of inspiration(Pi) state, therefore, housing is interior presses when being high pressure, and the refrigeration agent of its encapsulation is equivalent to press in the housing 2～4 times when being low pressure, and it has caused the refrigeration agent encapsulation amount of whole air-conditioning system or refrigeration system to increase.And pressing in housing is that for the solubility of refrigeration agent at refrigerator oil, its difference also can reach 2～4 times, therefore the increase of the refrigeration agent encapsulation amount that has caused whole air-conditioning system or refrigeration system too when pressing to low pressure in high pressure and the housing.
The utility model is set to low pressure by the housing internal pressure of closed rotating compressor, has reduced the refrigeration agent encapsulation amount in the housing, makes the refrigeration agent encapsulation amount of whole system also reduce thereupon, thereby has improved the Safety performance of air-conditioning system or refrigeration system.Simultaneously, also make the refrigeration agent encapsulation amount of air-conditioning system can satisfy current laws and regulations requirement better.
The utility model not only can adopt combustible refrigerant, as carbon-hydrogen refrigerant, also can adopt the non-combustible refrigeration agent, its have simple and reasonable, fabricating cost is low, safety rate is high and advantage of wide range of application.
Description of drawings
Fig. 1 is the utility model first example structure schematic representation.
Fig. 2 is the utility model second example structure schematic representation.
Fig. 3 is the utility model the 3rd example structure schematic representation.
Fig. 4 is the utility model the 4th example structure schematic representation.
Fig. 5 is the utility model the 5th example structure schematic representation.
Among the figure: 1 is the high-pressure area, and 2 is the area of low pressure, and 3 is sucking pipe, 3 ' be second sucking pipe, 4 is outlet pipe, and 5 is condenser, and 6 is throttle mechanism, and 7 is vaporizer.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
First embodiment
Referring to Fig. 1, this closed rotating compressor comprises the electric machine assembly and the compression assembly that are arranged in the closed shell, and rotary compressor is provided with sucking pipe 3 and outlet pipe 4.Electric machine assembly and/or compression assembly and housing surround more than one area of low pressure 2.The pressure of this area of low pressure is pressure of inspiration(Pi).The area of low pressure communicates with the air intake passage of compression assembly, and air intake passage communicates with the cylinder compression chamber.Outlet pipe 4, condenser 5, throttle mechanism 6, vaporizer 7 and sucking pipe 3 are connected in series successively.Between outlet pipe 4 and condenser 5, oil separator can be set, the oil of separating is turned back to compressor inside again.
Electric machine assembly is positioned at the top of compression assembly, and area of low pressure 2 comprises first area of low pressure and second area of low pressure that communicates, and first area of low pressure is surrounded by electric machine assembly and housing top, and second area of low pressure is by surrounding in the middle part of electric machine assembly and compression assembly and the housing; One end of sucking pipe 3 communicates with second area of low pressure after passing housing, and outlet pipe 4 communicates with the exhaust passage of compression assembly.
For the closed rotating compressor of low back pressure, the air intake passage of compression assembly may have only a suction port, directly is opened on second area of low pressure; And the exhaust passage of compression assembly generally has only an exhaust port.
Second embodiment
Referring to Fig. 2, an end of sucking pipe 3 communicates with first area of low pressure after passing housing.
All the other are not stated part and see first embodiment, no longer repeat.
The 3rd embodiment
Referring to Fig. 3, sucking pipe comprise first sucking pipe and second sucking pipe 3 ', wherein, one end of first sucking pipe 3 communicates with first area of low pressure and/or second area of low pressure after passing housing, second sucking pipe 3 ' an end pass behind the housing directly and the suction port on the compression assembly communicates, suction port communicates with the cylinder compression chamber.
All the other are not stated part and see first embodiment, no longer repeat.
The 4th embodiment
Referring to Fig. 4, compression assembly is positioned at the top of electric machine assembly, and compression assembly and housing top surround high-pressure area 1, and the pressure of this high-pressure area is exhaust pressure; High-pressure area 1 communicates with the exhaust passage of compression assembly, and outlet pipe 4 communicates with the high-pressure area; Compression assembly, electric machine assembly and housing middle part surround area of low pressure 2 jointly, and an end of sucking pipe communicates with the area of low pressure after passing housing.
Perhaps, compression assembly is positioned at the top of electric machine assembly, and outlet pipe communicates with the exhaust passage of compression assembly; Compression assembly, electric machine assembly and housing middle part surround the area of low pressure jointly, and an end of sucking pipe communicates with the area of low pressure after passing housing.A kind of concrete structure figure of structure before having provided among Fig. 4.
All the other are not stated part and see first embodiment, no longer repeat.
The 5th embodiment
Referring to Fig. 5, electric machine assembly is positioned at the top of compression assembly, area of low pressure 2 comprises the 3rd area of low pressure and the 4th area of low pressure that communicates, and the 3rd area of low pressure is surrounded by electric machine assembly and housing top, and the 4th area of low pressure is surrounded jointly by electric machine assembly, compression assembly and housing middle part; Compression assembly and lower housing portion surround the high-pressure area, and the high-pressure area communicates with the exhaust passage of compression assembly, and outlet pipe communicates with high-pressure area 1; One end of sucking pipe communicates with the 3rd area of low pressure or the 4th area of low pressure after passing housing.
Perhaps, electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises the 3rd area of low pressure and the 4th area of low pressure that communicates, and the 3rd area of low pressure is surrounded by electric machine assembly and housing top, and the 4th area of low pressure is surrounded jointly by electric machine assembly, compression assembly and housing middle part; One end of sucking pipe communicates with the 3rd area of low pressure or the 4th area of low pressure after passing housing, and outlet pipe communicates with the exhaust passage of compression assembly.A kind of concrete structure figure of structure before having provided among Fig. 5.
All the other are not stated the part branch and see the first and the 5th embodiment, no longer repeat.
Claims (6)
1. closed rotating compressor, comprise the electric machine assembly and the compression assembly that are arranged in the closed shell, electric machine assembly and/or compression assembly and housing surround more than one area of low pressure (2), rotary compressor is provided with sucking pipe (3) and outlet pipe (4), it is characterized in that sucking pipe communicates with the area of low pressure, the area of low pressure communicates with the air intake passage of compression assembly, and air intake passage communicates with the cylinder compression chamber.
2. closed rotating compressor according to claim 1, it is characterized in that described electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises first area of low pressure and second area of low pressure that communicates, first area of low pressure is surrounded by electric machine assembly and housing top, and second area of low pressure is by surrounding in the middle part of electric machine assembly and compression assembly and the housing; One end of sucking pipe (3) communicates with first area of low pressure or second area of low pressure after passing housing, and outlet pipe (4) communicates with the exhaust passage of compression assembly.
3. closed rotating compressor according to claim 2, it is characterized in that described sucking pipe comprises first sucking pipe and second sucking pipe (3 '), wherein, one end of first sucking pipe communicates with first area of low pressure and/or second area of low pressure after passing housing, suction port direct and on the compression assembly communicated after one end of second sucking pipe passed housing, and suction port communicates with the cylinder compression chamber.
4. closed rotating compressor according to claim 1, it is characterized in that described compression assembly is positioned at the top of electric machine assembly, compression assembly and housing top surround high-pressure area (1), and the high-pressure area communicates with the exhaust passage of compression assembly, and outlet pipe (4) communicates with the high-pressure area; Compression assembly, electric machine assembly and housing middle part surround the area of low pressure jointly, and an end of sucking pipe communicates with the area of low pressure after passing housing;
Perhaps, compression assembly is positioned at the top of electric machine assembly, and outlet pipe (4) communicates with the exhaust passage of compression assembly; Compression assembly, electric machine assembly and housing middle part surround the area of low pressure jointly, and an end of sucking pipe communicates with the area of low pressure after passing housing.
5. closed rotating compressor according to claim 1, it is characterized in that described electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises the 3rd area of low pressure and the 4th area of low pressure that communicates, the 3rd area of low pressure is surrounded by electric machine assembly and housing top, and the 4th area of low pressure is surrounded jointly by electric machine assembly, compression assembly and housing middle part; Compression assembly and lower housing portion surround the high-pressure area, and the high-pressure area communicates with the exhaust passage of compression assembly, and outlet pipe communicates with the high-pressure area; One end of sucking pipe communicates with the 3rd area of low pressure or the 4th area of low pressure after passing housing;
Perhaps, electric machine assembly is positioned at the top of compression assembly, the area of low pressure comprises the 3rd area of low pressure and the 4th area of low pressure that communicates, and the 3rd area of low pressure is surrounded by electric machine assembly and housing top, and the 4th area of low pressure is surrounded jointly by electric machine assembly, compression assembly and housing middle part; One end of sucking pipe communicates with the 3rd area of low pressure or the 4th area of low pressure after passing housing, and outlet pipe communicates with the exhaust passage of compression assembly.
6. closed rotating compressor according to claim 1 is characterized in that described closed rotating compressor is the closed rotating compressor of combustible refrigerant, or the closed rotating compressor of non-combustible refrigeration agent; The closed rotating compressor of combustible refrigerant comprises the closed rotating compressor of carbon-hydrogen refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920295849 CN201588759U (en) | 2009-12-26 | 2009-12-26 | Closed rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920295849 CN201588759U (en) | 2009-12-26 | 2009-12-26 | Closed rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201588759U true CN201588759U (en) | 2010-09-22 |
Family
ID=42748537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920295849 Expired - Lifetime CN201588759U (en) | 2009-12-26 | 2009-12-26 | Closed rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201588759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168215A (en) * | 2016-06-17 | 2016-11-30 | 广东美芝制冷设备有限公司 | Compressor |
| CN106168216A (en) * | 2016-06-17 | 2016-11-30 | 广东美芝制冷设备有限公司 | Compressor |
-
2009
- 2009-12-26 CN CN 200920295849 patent/CN201588759U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106168215A (en) * | 2016-06-17 | 2016-11-30 | 广东美芝制冷设备有限公司 | Compressor |
| CN106168216A (en) * | 2016-06-17 | 2016-11-30 | 广东美芝制冷设备有限公司 | Compressor |
| CN106168215B (en) * | 2016-06-17 | 2018-07-17 | 广东美芝制冷设备有限公司 | Compressor |
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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: 20100922 |
|
| CX01 | Expiry of patent term |