CN104728116A - Rotary compressor and air conditioner with same - Google Patents
Rotary compressor and air conditioner with same Download PDFInfo
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- CN104728116A CN104728116A CN201310724305.2A CN201310724305A CN104728116A CN 104728116 A CN104728116 A CN 104728116A CN 201310724305 A CN201310724305 A CN 201310724305A CN 104728116 A CN104728116 A CN 104728116A
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Abstract
The invention provides a rotary compressor and an air conditioner with the same. The rotary compressor comprises a shell (10), a compression cylinder and a pressure control device, wherein the shell comprises a first accommodating cavity; the compression cylinder is arranged in a first accommodating cavity, and comprises a cylinder body (20); the cylinder body (20) comprises a first air inlet (21) and a first exhaust opening; the pressure control device comprises a pressure release valve (30); the pressure release valve (30) comprises a second air inlet (31) and a second exhaust opening (32); the first air inlet (31) is communicated with the first exhaust opening; the second exhaust opening (32) is communicated with the first air inlet (21); and the second air inlet (31) and the second exhaust opening (32) have a communicated on-state and a blocked off-state. According to the rotary compressor, over-high exhaust pressure of the compression cylinder is prevented.
Description
Technical field
The present invention relates to Compressor Technology field, in particular to a kind of rotary compressor and the air conditioner with it.
Background technique
At present, there is following problem in air-conditioning rotary compressor: when the situations such as exhaust outlet pipe blocks, 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 when the too small grade of electric expansion valve unlatching is abnormal, pressure of inspiration(Pi) is too low; compressor suction pressure reduction becomes large, and running resistance increases, and electric current rises; 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.
Summary of the invention
The present invention aims to provide a kind of air conditioner preventing the too high rotary compressor of compression cylinder exhaust pressure and have it.
To achieve these goals, according to an aspect of the present invention, provide a kind of rotary compressor, comprising: housing, there is 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 exhaust port, second suction port is connected with first row gas port, and second exhaust port is connected with the first suction port, and the second suction port and second exhaust port have the channel status be connected and the turnoff state blocked mutually.
Further, housing has the 3rd relief opening be 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, cylinder body is provided with auxilairy air intake, auxilairy air intake is connected with the first suction port, and second exhaust port is connected with auxilairy air intake.
Further, Decompression valves is arranged on cylinder body, and second exhaust port is arranged in auxilairy air intake.
Further, rotary compressor of the present invention also comprises: upper flange, and being arranged in the first receiving cavity and being fixed on cylinder body, upper flange has the installation through hole wearing Decompression valves, installs through hole corresponding with auxilairy air intake.
Further, pressure control device also comprises: pressure regulator valve, and comprise the 4th suction port and the 4th relief opening, the 4th suction port has the channel status be connected and the turnoff state blocked 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, second suction port and second exhaust port are arranged on valve body, spool, be arranged in the second receiving cavity movably, spool has the block-up position of shutoff second suction port and the conduction position of conducting second suction port and second exhaust port; Elastic reset part, is arranged between spool and second exhaust port.
According to a further aspect in the invention, provide a kind of air conditioner, comprising: rotary compressor, rotary compressor is above-mentioned rotary compressor.
Further, air conditioner of the present invention also comprises: auxiliary liquor separator, have the 5th suction port and the 5th relief opening, the 5th suction port is connected with second exhaust port, and the 5th relief opening is connected with the first suction port.
Apply technological scheme of the present invention, because the second suction port of Decompression valves is connected with the first row gas port of cylinder body, 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 exhaust port have channel status and turnoff state.When the pressure ratio of the first exhaust ports of cylinder body is larger, second suction port and second exhaust port are in channel status, the gaseous coolant of the first exhaust ports flows into second exhaust 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 exhaust port, then, the pressure recover of the first exhaust ports of cylinder body is normal, and the second suction port and second exhaust port are in turnoff state, can not affect the normal exhaust of cylinder body.As the above analysis, rotary compressor of the present invention prevents compression cylinder exhaust pressure too high.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows longitudinal cross-sectional schematic of the embodiment according to rotary compressor of the present invention;
The horizontal cross-sectional schematic that the cylinder body that Fig. 2 shows 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 the partial schematic sectional view of the embodiment according to air conditioner of the present invention.
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 exhaust port; 33, valve body; 34, spool; 35, elastic reset part; 40, auxiliary liquor separator.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in figures 1 and 3, the rotary compressor of embodiment one 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 exhaust port 32, second suction port 31 is connected with first row gas port, second exhaust port 32 is connected with the first suction port 21, and the second suction port 31 and second exhaust port 32 have the channel status be connected and the turnoff state blocked mutually.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 exhaust port 32 have channel status and turnoff state.When the pressure ratio of the first exhaust ports of cylinder body 20 is larger, second suction port 31 and second exhaust port 32 are in channel status, the gaseous coolant of the first exhaust ports flows into second exhaust 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 exhaust port 32, then, the pressure recover of the first exhaust ports of cylinder body 20 is normal, and the second suction port 31 and second exhaust port 32 are in turnoff state, can not affect the normal exhaust of cylinder body 20.As the above analysis, the rotary compressor of embodiment one prevents compression cylinder exhaust pressure too high.In addition, second exhaust port 32 is connected with the first suction port 21.Like this, the high-pressure gaseous refrigerant of discharging from second exhaust port 32 flows into the first suction port 21, and again compresses in cylinder body 20, achieves and recycles.In addition, when the pressure ratio at the first suction port 21 place is lower, the second suction port 31 and second exhaust port 32 are in channel status equally, now, the gaseous coolant of the first exhaust ports flows into the first suction port 21 place by Decompression valves, to make the pressure recover of the first suction port 21 normal.
As shown in Figure 1, in embodiment one, housing 10 has the 3rd relief opening 13, first receiving cavity be communicated with the first receiving cavity and is connected with first row gas port, like this, the gaseous coolant of being discharged by first row gas port discharges rotary compressor through the first receiving cavity from the 3rd relief opening 13.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, simplify the structure and the cost of production reduced.
As shown in Figure 2, in embodiment one, cylinder body 20 is 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 place can flow into auxilairy air intake 22, and second exhaust port 32 is connected to realize second exhaust port 32 and is connected with the first suction port 21 with auxilairy air intake 22.Arrange auxilairy air intake 22 second exhaust port 32 can be avoided with the first suction port 21 to be connected caused second exhaust port 32 influence each other with other devices being connected to the first suction port 21 place.
As shown in Figure 2, in embodiment one, Decompression valves 30 is arranged on cylinder body 20, and second exhaust port 32 is arranged in auxilairy air intake 22.Like this, the gaseous coolant in second exhaust port 32 can be made to flow into auxilairy air intake 22 completely, prevent the gaseous coolant flowed out from second exhaust 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, the rotary compressor of embodiment one also comprises upper flange 23, and upper flange 23 to be arranged in the first receiving cavity and to be fixed on cylinder body 20, and upper flange 23 plays the effect forming compression chamber with cylinder body 20.Upper flange 23 has the installation through hole wearing Decompression valves 30, installs through hole corresponding with auxilairy air intake 22.Upper flange 23 pairs of Decompression valvess 30 play fixation, and what second exhaust port 32 can be made to be 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, second suction port 31 and second exhaust 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 second suction port 31 and the conduction position of conducting second suction port 31 and second exhaust port 32.When spool 34 is in block-up position, the second suction port 31 and second exhaust port 32 are in turnoff state, and when spool 34 is in conduction position, the second suction port 31 and second exhaust port 32 are in channel status.Elastic reset part 35 is arranged between spool 34 and second exhaust port 32.Under the effect of elastic reset part 35, the second suction port 31 and second exhaust port 32 are in turnoff state.The structure of above-mentioned Decompression valves 30 is simple, and can be changed the second suction port 31 and second exhaust port 32 by the elastic force changing elastic reset part 35 and be in gaseous coolant pressure needed for channel status.
The rotary compressor of embodiment two and the difference of embodiment one are, add 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, 4th suction port has the channel status be connected and the turnoff state blocked 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 the 31, four relief opening and is equivalent to second exhaust port 32.Even if Decompression valves 30 lost efficacy, the rotary compressor of embodiment two also can prevent compression cylinder pressure of inspiration(Pi) too low.
This application provides a kind of air conditioner, as shown in Figure 4, the air conditioner of the present embodiment comprises rotary compressor, and rotary compressor is the rotary compressor of embodiment one.Certainly, rotary compressor also can be the rotary compressor of embodiment two.
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 exhaust port 32.In the present embodiment, the rotary compressor of rotary compressor and above-described embodiment one has to be distinguished slightly, particularly, second suction port 31 is connected with receiving cavity, housing 10 is 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 flowed out from second exhaust 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 the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a rotary compressor, comprising:
Housing (10), has the first receiving cavity;
Compression cylinder, be arranged in described first receiving cavity, 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 exhaust port (32), described second suction port (31) is connected with described first row gas port, described second exhaust port (32) is connected with described first suction port (21), and described second suction port (31) has the channel status be connected and the turnoff state blocked mutually with described second exhaust port (32).
2. rotary compressor according to claim 1, it is characterized in that, described housing (10) has the 3rd relief opening (13) be communicated with described first receiving cavity, described first receiving cavity is connected with described first row gas port, and described second suction port (31) is connected with described first row gas port by described first receiving cavity.
3. rotary compressor according to claim 1, it is characterized in that, described cylinder body (20) is provided with auxilairy air intake (22), described auxilairy air intake (22) is connected with described first suction port (21), and described second exhaust port (32) is connected with described auxilairy air intake (22).
4. rotary compressor according to claim 3, is characterized in that, described Decompression valves (30) is arranged on described cylinder body (20), and described second exhaust 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), being arranged in described first receiving cavity and being fixed on described cylinder body (20), described upper flange (23) has the installation through hole wearing 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 4th suction port has the channel status be connected and the turnoff state blocked mutually with described 4th relief opening, and described 4th relief opening is connected with described 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 described second suction port (31) and described second exhaust port (32) are arranged on described valve body (33),
Spool (34), is arranged in described second receiving cavity movably, and described spool (34) has the conduction position of the second suction port (31) and described second exhaust 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 exhaust port (32).
8. an air conditioner, comprising:
Rotary compressor, is characterized in that, described rotary compressor is rotary compressor according to claim 1.
9. air conditioner according to claim 8, is characterized in that, also comprises:
Auxiliary liquor separator (40), have the 5th suction port and the 5th relief opening, described 5th suction port is connected with described second exhaust port (32), and described 5th relief opening is connected with described first suction port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724305.2A CN104728116B (en) | 2013-12-24 | 2013-12-24 | Rotary compressor and the air conditioner with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724305.2A CN104728116B (en) | 2013-12-24 | 2013-12-24 | Rotary compressor and the air conditioner with it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104728116A true CN104728116A (en) | 2015-06-24 |
| CN104728116B CN104728116B (en) | 2017-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310724305.2A Active CN104728116B (en) | 2013-12-24 | 2013-12-24 | Rotary compressor and the air conditioner with it |
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| Country | Link |
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| CN (1) | CN104728116B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980047A (en) * | 2018-08-27 | 2018-12-11 | 珠海凌达压缩机有限公司 | Cylinder and compressor |
| WO2022077754A1 (en) * | 2020-10-14 | 2022-04-21 | 广东美芝制冷设备有限公司 | Compressor and refrigeration system |
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| CN1186176A (en) * | 1996-12-09 | 1998-07-01 | 运载器有限公司 | Rotary compressor with discharge chamber pressure relief groove |
| CN1603627A (en) * | 2003-09-30 | 2005-04-06 | 三星电子株式会社 | Variable capacity rotary compressor |
| CN2784623Y (en) * | 2004-12-22 | 2006-05-31 | 上海日立电器有限公司 | Pressure release protecting structure of rotary compressor |
| CN1896524A (en) * | 2005-07-11 | 2007-01-17 | 三星电子株式会社 | Rotary compressor |
| CN202441558U (en) * | 2011-12-29 | 2012-09-19 | 安瑞科(蚌埠)压缩机有限公司 | Drain valve for compressor |
| CN202733087U (en) * | 2012-08-22 | 2013-02-13 | 金坛华诚电子有限公司 | Spring safety valve |
| CN203627236U (en) * | 2013-12-24 | 2014-06-04 | 珠海凌达压缩机有限公司 | Rotary type compressor and air conditioner provided with same |
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2013
- 2013-12-24 CN CN201310724305.2A patent/CN104728116B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH094741A (en) * | 1995-06-16 | 1997-01-07 | Zexel Corp | Safety valve |
| CN1186176A (en) * | 1996-12-09 | 1998-07-01 | 运载器有限公司 | Rotary compressor with discharge chamber pressure relief groove |
| CN1603627A (en) * | 2003-09-30 | 2005-04-06 | 三星电子株式会社 | Variable capacity rotary compressor |
| CN2784623Y (en) * | 2004-12-22 | 2006-05-31 | 上海日立电器有限公司 | Pressure release protecting structure of rotary compressor |
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| CN203627236U (en) * | 2013-12-24 | 2014-06-04 | 珠海凌达压缩机有限公司 | Rotary type compressor and air conditioner provided with same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980047A (en) * | 2018-08-27 | 2018-12-11 | 珠海凌达压缩机有限公司 | Cylinder and compressor |
| WO2022077754A1 (en) * | 2020-10-14 | 2022-04-21 | 广东美芝制冷设备有限公司 | Compressor and refrigeration system |
| US20220290672A1 (en) * | 2020-10-14 | 2022-09-15 | Guangdong Meizhi Compressor Co., Ltd. | Compressor and refrigeration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104728116B (en) | 2017-08-01 |
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