CN203627236U - Rotary type compressor and air conditioner provided with same - Google Patents
Rotary type compressor and air conditioner provided with same Download PDFInfo
- Publication number
- CN203627236U CN203627236U CN201320861020.9U CN201320861020U CN203627236U CN 203627236 U CN203627236 U CN 203627236U CN 201320861020 U CN201320861020 U CN 201320861020U CN 203627236 U CN203627236 U CN 203627236U
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- suction port
- row gas
- gas port
- rotary compressor
- port
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- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000006837 decompression Effects 0.000 claims description 31
- 230000000903 blocking effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 239000002826 coolant Substances 0.000 description 10
- 239000003507 refrigerant Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model provides a rotary type compressor and an air conditioner provided with the rotary type compressor. The rotary type compressor comprises a shell (10) and a compression air cylinder, wherein the shell (10) is provided with a first containing cavity; the compression air cylinder is arranged in the first containing cavity; the compression air cylinder comprises a cylinder body (20) and the cylinder body (20) is provided with a first air inlet (21) and a first exhausting opening; the rotary type compressor further comprises a pressure control device; the pressure control device comprises a pressure releasing valve (30); the pressure releasing valve (30) comprises a second air inlet (31) and a second exhausting opening (32); the second air inlet (31) is communicated with the first exhausting opening; the second exhausting opening (32) is communicated with the first air inlet (21); the second air inlet (31) and the second exhausting opening (32) can be in a communicated state and a disconnected state. The technical scheme provided by the utility model can be used for preventing an exhausting pressure of the compression air cylinder from being too high.
Description
Technical field
The utility model relates to Compressor Technology field, in particular to a kind of rotary compressor and have its air conditioner.
Background technique
At present, there is following problem in air-conditioning rotary compressor: in the time that the situations such as exhaust outlet pipe stops up, heat exchanger heat radiation is bad appear in compressor operating process, compressor housing internal pressure sharply rises, and causes part inordinate wear; Work as leakage of refrigerant; when electric expansion valve is opened too small grade pressure of inspiration(Pi) is too low when abnormal; it is large that compressor suction pressure reduction becomes, and running resistance increases, Current rise; inside temperature improves; cause overload protective device frequently to be protected, high frequent starts, and causes compressor operating discontinuous; easily cause compressor part to damage, reduce the life-span of compressor.
Model utility content
The utility model aims to provide a kind of air conditioner that prevents the rotary compressor that compression cylinder exhaust pressure is too high and have it.
To achieve these goals, according to an aspect of the present utility model, provide a kind of rotary compressor, having comprised: housing, has the first receiving cavity; Compression cylinder, be arranged in the first receiving cavity, compression cylinder comprises cylinder body, cylinder body has the first suction port and first row gas port, and rotary compressor also comprises: pressure control device, comprises Decompression valves, Decompression valves comprises the second suction port and second row gas port, the second suction port is connected with first row gas port, and second row gas port is connected with the first suction port, and the second suction port has the channel status being connected and the turnoff state of blocking mutually with second row gas port.
Further, housing has the 3rd relief opening being communicated with the first receiving cavity, and the first receiving cavity is connected with first row gas port, and the second suction port is connected with first row gas port by the first receiving cavity.
, further, on cylinder body, being provided with auxilairy air intake, auxilairy air intake is connected with the first suction port, and second row gas port is connected with auxilairy air intake.
Further, Decompression valves is arranged on cylinder body, and second row gas port is arranged in auxilairy air intake.
Further, rotary compressor of the present utility model also comprises: upper flange, and be arranged in the first receiving cavity and be fixed on cylinder body, upper flange has the installation through hole that wears Decompression valves, through hole is installed corresponding with auxilairy air intake.
Further, pressure control device also comprises: pressure regulator valve, comprise the 4th suction port and the 4th relief opening, and the 4th suction port has the channel status being connected and the turnoff state of blocking mutually with the 4th relief opening, and the 4th relief opening is connected with the first suction port.
Further, Decompression valves also comprises: valve body, comprise the second receiving cavity, the second suction port and second row gas port are arranged on valve body, spool, be arranged on movably in the second receiving cavity, spool has the block-up position of shutoff the second suction port and the conduction position of conducting the second suction port and second row gas port; Elastic reset part, is arranged between spool and second row gas port.
According on the other hand of the present utility model, a kind of air conditioner is provided, comprising: rotary compressor, rotary compressor is above-mentioned rotary compressor.
Further, air conditioner of the present utility model also comprises: auxiliary liquor separator, there is the 5th suction port and the 5th relief opening, and the 5th suction port is connected with second row gas port, and the 5th relief opening is connected with the first suction port.
Application the technical solution of the utility model, because the second suction port of Decompression valves and the first row gas port of cylinder body are connected, therefore, the gaseous coolant that first row gas port is discharged can flow to the second suction port, because the second suction port and second row gas port have channel status and turnoff state.In the time that the pressure ratio of the first exhaust ports of cylinder body is larger, the second suction port and second row gas port are in channel status, the gaseous coolant of the first exhaust ports flows into second row gas port through the second suction port, and discharge Decompression valves to realize the decompression function of the first exhaust ports of cylinder body through second row gas port, then, it is normal that the pressure of the first exhaust ports of cylinder body recovers, and the second suction port and second row gas port, in turnoff state, can not affect the normal exhaust of cylinder body.As the above analysis, rotary compressor of the present utility model prevents that compression cylinder exhaust pressure is too high.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the longitudinal cross-sectional schematic according to the embodiment of rotary compressor of the present utility model;
Fig. 2 shows the horizontal cross-sectional schematic that the cylinder body of the rotary compressor of Fig. 1 coordinates with Decompression valves;
Fig. 3 shows longitudinal cross-sectional schematic of the Decompression valves of the rotary compressor of Fig. 1; And
Fig. 4 shows according to the embodiment's of air conditioner of the present utility model partial schematic sectional view.
Wherein, the reference character in above-mentioned figure is as follows:
10, housing; 11, inner thread sleeve; 12, connecting tube; 13, the 3rd relief opening; 20, cylinder body; 21, the first suction port; 22, auxilairy air intake; 23, upper flange; 30, Decompression valves; 31, the second suction port; 32, second row gas port; 33, valve body; 34, spool; 35, elastic reset part; 40, auxiliary liquor separator.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in figures 1 and 3, embodiment one rotary compressor comprises housing 10, compression cylinder and pressure control device.Housing 10 has the first receiving cavity.Compression cylinder is arranged in the first receiving cavity (not marking in figure), and compression cylinder comprises cylinder body 20, and cylinder body 20 has the first suction port 21 and first row gas port (not shown).Pressure control device comprises Decompression valves 30, Decompression valves 30 comprises the second suction port 31 and second row gas port 32, the second suction port 31 is connected with first row gas port, second row gas port 32 is connected with the first suction port 21, and the second suction port 31 has the channel status being connected and the turnoff state of blocking mutually with second row gas port 32.In embodiment one, Decompression valves 30 is pressure control device.
The rotary compressor of Application Example one, because the second suction port 31 of Decompression valves 30 is connected with the first row gas port of cylinder body 20, therefore, the gaseous coolant that first row gas port is discharged can flow to the second suction port 31, because the second suction port 31 and second row gas port 32 have channel status and turnoff state.In the time that the pressure ratio of the first exhaust ports of cylinder body 20 is larger, the second suction port 31 and second row gas port 32 are in channel status, the gaseous coolant of the first exhaust ports flows into second row gas port 32 through the second suction port 31, and discharge Decompression valves 30 to realize the decompression function of the first exhaust ports of cylinder body 20 through second row gas port 32, then, it is normal that the pressure of the first exhaust ports of cylinder body 20 recovers, and the second suction port 31 and second row gas port 32, in turnoff state, can not affect the normal exhaust of cylinder body 20.As the above analysis, embodiment one rotary compressor prevents that compression cylinder exhaust pressure is too high.In addition, second row gas port 32 is connected with the first suction port 21.Like this, the high-pressure gaseous refrigerant of discharging from second row gas port 32 flows into the first suction port 21, and compression again in cylinder body 20, has realized and having recycled.In addition, in the time that the pressure ratio at the first suction port 21 places is lower, the second suction port 31 and second row gas port 32 are equally in channel status, now, the gaseous coolant of the first exhaust ports flows into the first suction port 21 places by Decompression valves, so that the pressure of the first suction port 21 recovers normal.
As shown in Figure 1, in embodiment one, housing 10 has the 3rd relief opening 13, the first receiving cavities that are communicated with the first receiving cavity and is connected with first row gas port, the gaseous coolant of being discharged by first row gas port like this, is discharged rotary compressor through the first receiving cavity from the 3rd relief opening 13.The second suction port 31 is connected with first row gas port by the first receiving cavity.Like this, pipeline need not be set separately and can realize the second suction port 31 and be connected with first row gas port, the cost of production that simplifies the structure and reduce.
As shown in Figure 2, in embodiment one, on cylinder body 20, be provided with auxilairy air intake 22, auxilairy air intake 22 is connected with the first suction port 21, the gaseous coolant at the first suction port 21 places can flow into auxilairy air intake 22, and second row gas port 32 is connected to realize second row gas port 32 with auxilairy air intake 22 and is connected with the first suction port 21.Auxilairy air intake 22 is set can be avoided second row gas port 32 to be connected caused second row gas port 32 with the first suction port 21 influencing each other with other devices that are connected to the first suction port 21 places.
As shown in Figure 2, in embodiment one, Decompression valves 30 is arranged on cylinder body 20, and second row gas port 32 is arranged in auxilairy air intake 22.Like this, can make the gaseous coolant in second row gas port 32 flow into auxilairy air intake 22 completely, prevent that the gaseous coolant flowing out from second row gas port 32 from letting out.Certainly, auxilairy air intake 22 can be connected with the first suction port 21 by pipeline.
As shown in Figure 1, embodiment one rotary compressor also comprises upper flange 23, and upper flange 23 is arranged in the first receiving cavity and is fixed on cylinder body 20, and upper flange 23 plays the effect that forms compression chamber with cylinder body 20.Upper flange 23 has the installation through hole that wears Decompression valves 30, through hole is installed corresponding with auxilairy air intake 22.Upper flange 23 plays fixation to Decompression valves 30, and what can make that second row gas port 32 is connected with the first suction port 21 is more stable.
As shown in Figure 3, in embodiment one, Decompression valves 30 also comprises valve body 33, spool 34 and elastic reset part 35.Valve body 33 comprises the second receiving cavity, the second suction port 31 and second row gas port 32 are arranged on valve body 33, spool 34 is arranged in the second receiving cavity movably, and spool 34 has the block-up position of shutoff the second suction port 31 and the conduction position of conducting the second suction port 31 and second row gas port 32.Spool 34 is in the time of block-up position, and the second suction port 31 and second row gas port 32 are in turnoff state, and spool 34 is in the time of conduction position, and the second suction port 31 and second row gas port 32 are in channel status.Elastic reset part 35 is arranged between spool 34 and second row gas port 32.Under the effect of elastic reset part 35, the second suction port 31 and second row gas port 32 are in turnoff state.Above-mentioned Decompression valves 30 simple in structure, and can change the second suction port 31 and second row gas port 32 in the required gaseous coolant pressure of channel status by changing the elastic force of elastic reset part 35.
Embodiment two rotary compressor and embodiment's one difference is, has increased pressure regulator valve.Particularly, in embodiment two, pressure control device also comprises pressure regulator valve, comprises the 4th suction port and the 4th relief opening, the 4th suction port has the channel status being connected and the turnoff state of blocking mutually with the 4th relief opening, and the 4th relief opening is connected with the first suction port 21.Pressure regulator valve is identical with the structure of Decompression valves 30, and the 4th suction port is equivalent to the second suction port 31, the four relief openings and is equivalent to second row gas port 32.Even if Decompression valves 30 lost efficacy, embodiment two rotary compressor also can prevent that compression cylinder pressure of inspiration(Pi) is too low.
The application provides a kind of air conditioner, and as shown in Figure 4, the air conditioner of the present embodiment comprises rotary compressor, and rotary compressor is embodiment one rotary compressor.Certainly, rotary compressor can be also embodiment two rotary compressor.
As shown in Figure 4, the air conditioner of the present embodiment also comprises auxiliary liquor separator 40, and auxiliary liquor separator 40 has the 5th suction port and the 5th relief opening, and the 5th suction port is connected with second row gas port 32.In the present embodiment, the rotary compressor of rotary compressor and above-described embodiment one has difference slightly, particularly, the second suction port 31 is connected with receiving cavity, on housing 10, be provided with inner thread sleeve 11, Decompression valves 30 is arranged in inner thread sleeve 11, and the 5th suction port is connected with inner thread sleeve 11 by connecting tube 12.Like this, the refrigerant flowing out from second row gas port 32 carries out the separation of refrigeration oil auxiliary liquor separator 40.Preferably, the 5th relief opening is connected with the first suction port 21 by pipeline, to realize recycling of refrigerant.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (9)
1. a rotary compressor, comprising:
Housing (10), has the first receiving cavity;
Compression cylinder, is arranged in described the first receiving cavity, and described compression cylinder comprises cylinder body (20), and described cylinder body (20) has the first suction port (21) and first row gas port, it is characterized in that, described rotary compressor also comprises:
Pressure control device, comprise Decompression valves (30), described Decompression valves (30) comprises the second suction port (31) and second row gas port (32), described the second suction port (31) is connected with described first row gas port, described second row gas port (32) is connected with described the first suction port (21), and described the second suction port (31) has the channel status being connected and the turnoff state of blocking mutually with described second row gas port (32).
2. rotary compressor according to claim 1, it is characterized in that, described housing (10) has the 3rd relief opening (13) being communicated with described the first receiving cavity, described the first receiving cavity is connected with described first row gas port, and described the second suction port (31) is connected with described first row gas port by described the first receiving cavity.
3. rotary compressor according to claim 1, it is characterized in that, on described cylinder body (20), be provided with auxilairy air intake (22), described auxilairy air intake (22) is connected with described the first suction port (21), and described second row gas port (32) is connected with described auxilairy air intake (22).
4. rotary compressor according to claim 3, is characterized in that, it is upper that described Decompression valves (30) is arranged on described cylinder body (20), and described second row gas port (32) is arranged in described auxilairy air intake (22).
5. rotary compressor according to claim 4, is characterized in that, also comprises:
Upper flange (23), is arranged in described the first receiving cavity and is fixed on described cylinder body (20) above, and described upper flange (23) has the installation through hole that wears described Decompression valves (30), and described installation through hole is corresponding with described auxilairy air intake (22).
6. rotary compressor according to claim 1, is characterized in that, described pressure control device also comprises:
Pressure regulator valve, comprises the 4th suction port and the 4th relief opening, and described the 4th suction port has the channel status being connected and the turnoff state of blocking mutually with described the 4th relief opening, and described the 4th relief opening is connected with described the first suction port (21).
7. rotary compressor according to claim 1, is characterized in that, described Decompression valves (30) also comprises:
Valve body (33), comprises the second receiving cavity, and it is upper that described the second suction port (31) and described second row gas port (32) are arranged on described valve body (33),
Spool (34), is arranged in described the second receiving cavity movably, and described spool (34) has the conduction position of the second suction port (31) and described second row gas port (32) described in the block-up position of the second suction port (31) described in shutoff and conducting;
Elastic reset part (35), is arranged between described spool (34) and described second row gas port (32).
8. an air conditioner, comprising:
Rotary compressor, is characterized in that, described rotary compressor is rotary compressor claimed in claim 1.
9. air conditioner according to claim 8, is characterized in that, also comprises:
Auxiliary liquor separator (40), has the 5th suction port and the 5th relief opening, and described the 5th suction port is connected with described second row gas port (32), and described the 5th relief opening is connected with described the first suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861020.9U CN203627236U (en) | 2013-12-24 | 2013-12-24 | Rotary type compressor and air conditioner provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320861020.9U CN203627236U (en) | 2013-12-24 | 2013-12-24 | Rotary type compressor and air conditioner provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203627236U true CN203627236U (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320861020.9U Expired - Lifetime CN203627236U (en) | 2013-12-24 | 2013-12-24 | Rotary type compressor and air conditioner provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203627236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728116A (en) * | 2013-12-24 | 2015-06-24 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner with same |
-
2013
- 2013-12-24 CN CN201320861020.9U patent/CN203627236U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104728116A (en) * | 2013-12-24 | 2015-06-24 | 珠海凌达压缩机有限公司 | Rotary compressor and air conditioner with same |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140604 |