CN103967789B - Dual-level enthalpy adding compressor and there is its air conditioner - Google Patents
Dual-level enthalpy adding compressor and there is its air conditioner Download PDFInfo
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- CN103967789B CN103967789B CN201310044620.0A CN201310044620A CN103967789B CN 103967789 B CN103967789 B CN 103967789B CN 201310044620 A CN201310044620 A CN 201310044620A CN 103967789 B CN103967789 B CN 103967789B
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Abstract
The invention discloses a kind of Dual-level enthalpy adding compressor and have its air conditioner, comprise shell, arrange motor in the enclosure and pump assembly, pump assembly comprises bent axle, high pressure stage cylinder and low pressure stage cylinder.Pump assembly also comprises upper flange, lower flange and baffler.Upper flange is arranged on high pressure stage cylinder, upper flange is provided with the upper flange exhaust port being communicated with high pressure stage cylinder.Lower flange is arranged on low pressure stage cylinder, lower flange is provided with the lower flange exhaust port being communicated with low pressure stage cylinder.Baffler is arranged on upper flange, and baffler is provided with mounting hole, and bent axle is through mounting hole.Baffler is provided with the relief opening being communicated with high pressure stage cylinder.The ratio cc of the equivalent diameter D3 of relief opening and the equivalent diameter D1 of upper flange exhaust port is 1 ~ 2, and the ratio beta of the equivalent diameter D3 of relief opening and the equivalent diameter D2 of lower flange exhaust port is 1 ~ 1.5.By optimizing α and β, reach the effect reducing compressor air-discharging resistance, reduce noise.
Description
Technical field
The present invention relates to refrigerating field, particularly relate to a kind of rolling rotor-type Dual-level enthalpy adding compressor.
Background technique
Along with improving constantly of people's living standard, the requirement of Consumer to air-conditioning system is more and more higher.Rolling rotor-type Dual-level enthalpy adding compressor operates steadily, low-temperature heating and high-temperature refrigeration ability is strong, efficiency is high, is thus more and more widely used in air-conditioning and heat pump hot-water system.
Shown in current Dual-level enthalpy adding compressor (as Fig. 1): primarily of frame set, cover assembly, the closed chamber of lower cover composition, hot jacket is at the motor stator component of frame set inside, drag the bent axle that compressor rotates, the motor rotor component of hot jacket on bent axle, support upper flange and the lower flange of bent axle, the low pressure stage compression chamber that low pressure stage cylinder and low pressure stage roller and low pressure stage slide plate form jointly, the high pressure stage compression chamber that high pressure stage cylinder and high pressure stage roller and high pressure stage slide plate form jointly, by high pressure stage compression chamber and the separated central diaphragm of low pressure stage compression chamber, the middle pressure part in chamber is pressed in formation, go deep into the gas-liquid separator that low pressure stage cylinder is communicated with low pressure stage compression chamber, the increasing enthalpy construction package of tonifying Qi is carried out in centering pressure chamber.
Current two-stage increases enthalpy compressor, and upper flange is provided with the upper flange exhaust port for high pressure stage cylinder exhaust; Lower flange (or lower cylinder, or central diaphragm) is provided with the lower flange exhaust port for low pressure stage cylinder exhaust; Baffler is arranged on upper flange, and it is provided with baffler exhaust port.On existing Dual-level enthalpy adding compressor, the equivalent diameter ratio of baffler exhaust port and upper and lower flange exhaust port is too small, and the efficiency of compressor entirety reduces; The equivalent diameter ratio of upper baffler exhaust port and upper and lower flange exhaust port is excessive, and the noise reduction of upper baffler is deteriorated.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, and a kind of Dual-level enthalpy adding compressor ensureing noise reduction while not making the overall efficiency of compressor reduce is provided.
Technical solution of the present invention is as follows:
A kind of Dual-level enthalpy adding compressor, comprise shell, arrange motor in the enclosure and pump assembly, described pump assembly comprises bent axle, high pressure stage cylinder and low pressure stage cylinder, and described pump assembly also comprises upper flange, lower flange and baffler;
Described upper flange is arranged on described high pressure stage cylinder, described upper flange is provided with the upper flange exhaust port being communicated with described high pressure stage cylinder;
Described lower flange is arranged on described low pressure stage cylinder, described lower flange is provided with the lower flange exhaust port being communicated with described low pressure stage cylinder;
Described baffler is arranged on described upper flange, and described baffler is provided with mounting hole, and described bent axle is through described mounting hole;
The relief opening that described baffler is provided with;
The ratio cc of the equivalent diameter D3 of described relief opening and the equivalent diameter D1 of described upper flange exhaust port is 1 ~ 2;
The ratio beta of the equivalent diameter D3 of described relief opening and the equivalent diameter D2 of described lower flange exhaust port is 1 ~ 1.5.
More preferably, described upper flange exhaust port radial cross section is circular or D font;
Described lower flange exhaust port radial cross section is circular or D font.
More preferably, described relief opening radial cross section is circular, is arranged on all sides of described mounting hole.
More preferably, the mounting hole on described baffler is dome hole, and described relief opening is the remainder after described mounting hole holds described bent axle.
More preferably, described relief opening comprises first row gas port and second exhaust port;
The radial cross section of described first row gas port is circular, is arranged on all sides of the mounting hole on described silencing apparatus;
Described mounting hole is dome hole, and described second exhaust port is the remainder after described mounting hole holds described bent axle.
More preferably, the ratio of the equivalent diameter D3 of described relief opening and the equivalent diameter D1 of described upper flange exhaust port is 1.4;
More preferably, the D2 ratio of the equivalent diameter D3 of described relief opening and the equivalent diameter of described lower flange exhaust port is 1.3.
Also relate to a kind of air conditioner, described air conditioner comprises the Dual-level enthalpy adding compressor of above-mentioned any one technical characteristics.
Beneficial effect of the present invention is:
The exhaust resistance of compressor can be reduced, reduce exhaust sound, also have the beneficial effects such as baffler fabricating cost is low, structure is simple, easy for installation simultaneously.
Accompanying drawing explanation
Fig. 1 is Dual-level enthalpy adding compressor one embodiment schematic diagram of the present invention;
Fig. 2 coordinates schematic diagram with bent axle for pump assembly shown in Fig. 1;
Fig. 3 is that exhaust resistance loss, exhaust sound are with the change curve of ratio cc;
Fig. 4 is that exhaust resistance loss, exhaust sound are with the change curve of ratio beta;
Embodiment one schematic diagram that Fig. 5 is baffler shown in Fig. 2;
Embodiment two schematic diagram that Fig. 6 is baffler shown in Fig. 2;
Embodiment three schematic diagram that Fig. 7 is baffler shown in Fig. 2;
Fig. 8 is the vent structure of upper flange shown in Fig. 2 partial schematic diagram;
Fig. 9 for exhaust port be upper flange schematic top plan view shown in circular Fig. 2;
Figure 10 for exhaust port be upper flange shape figure shown in Fig. 2 of D type;
Wherein,
1 shell; 2 compression motors; 3 increase enthalpy parts; 4 cylinder assemblies; 5 liquor separator parts; 6 bent axles; 7 upper flanges; 8 high pressure stage cylinders; 9 pump partition plates; 10 low pressure stage cylinders; 11 lower flanges; 12 end caps; 13 bafflers; 14 relief openings; 15 mounting holes; 16 valve blocks; 17 valve block baffle plates; 18 upper flange exhaust ports.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, Dual-level enthalpy adding compressor of the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, 2, Dual-level enthalpy adding compressor one embodiment of the present invention comprises shell 1, liquor separator parts 5, increases enthalpy parts 3, is arranged on motor 2 and pump assembly in shell 1, pump assembly comprises bent axle 6, high pressure stage cylinder and low pressure stage cylinder, and pump assembly also comprises upper flange, lower flange and baffler; Bent axle 6 is provided with the first eccentric part and the second eccentric part, motor 2 is with dynamic crankshaft 6 to rotate; Cylinder assembly 4 comprises high pressure stage cylinder 8, low pressure stage cylinder pressure 10, is arranged on the pump partition plate 9 between high pressure stage cylinder 8 and low pressure stage cylinder 10, the upper flange 7 be arranged on high pressure stage cylinder 8, the baffler 13 be arranged on upper flange 7, the lower flange 11 be arranged on low pressure stage cylinder 10, the end cap 12 be arranged on lower flange 11;
First eccentric part (not shown) is arranged in high pressure stage cylinder 8, coordinates with high pressure stage cylinder 8, and the second eccentric part (not shown) is arranged in ground low pressure stage cylinder 10, coordinates with low pressure stage cylinder 10; Baffler 13 coordinates with upper flange 7 hyperbaric chamber being formed and be communicated with high pressure stage cylinder vent; Lower flange 11 is provided with circular groove, circular groove coordinate with end cap 12 formed in press chamber;
Lower flange 11 is provided with for connecting the increasing enthalpy mouth increasing enthalpy parts 3, increases during enthalpy mouth is communicated with and presses chamber; Increase enthalpy mouth also can be arranged on pump partition plate 9;
As shown in Fig. 9,10, upper flange 7 is provided with the upper flange exhaust port 18 being communicated with hyperbaric chamber; Upper flange exhaust port 18 shape is circular or D font;
Lower flange 11 is provided with in connection the lower flange exhaust port (not shown) of pressing chamber; Lower flange vent shape is circular or D font.
As shown in Figure 8, upper flange exhaust port and/or lower flange exhaust port also arrange valve block 17 and valve block baffle plate 1;
Baffler 13 is provided with mounting hole 15, and bent axle 6 is arranged on cylinder assembly through mounting hole 15;
Baffler 13 is provided with relief opening 14, the refrigerant compressed in high pressure stage cylinder 8 is discharged in the high pressure gas chamber of baffler 13 and upper flange 7 formation by the relief opening on high pressure stage cylinder 8, is expelled to outside compressor body after noise reduction by relief opening 14;
Studying for a long period of time and testing through the present inventor, when the ratio cc of the discovery equivalent diameter D3 of the relief opening 14 and equivalent diameter D1 of upper flange exhaust port 18 is 1 ~ 2, the exhaust resistance of compressor and exhaust noise will be controlled effectively and reduce, preferably, the ratio cc of the equivalent diameter D3 of relief opening 14 and the equivalent diameter D1 of upper flange exhaust port 18 is 1.4.
Meanwhile, when the ratio beta of the equivalent diameter D3 of relief opening 14 and the equivalent diameter D2 of lower flange exhaust port is 1 ~ 1.5, the exhaust resistance of compressor and exhaust noise will be controlled effectively and reduce; Preferably, the D2 ratio beta of the equivalent diameter D3 of relief opening and the equivalent diameter of lower flange exhaust port is 1.3;
Wherein, equivalent diameter calculating formula is
s is exhaust port area.
More preferably, as shown in Figure 5, as a kind of embodiment, the crankshaft installed hole on baffler 13 is circular hole, and the shape of relief opening 14 is also circular, is arranged on all sides of mounting hole.
More preferably, as shown in Figure 6, as a kind of embodiment, the crankshaft installed hole on baffler 13 is dome hole, and the relief opening on baffler 13 is the remainder after mounting hole holds bent axle 6.
More preferably, as shown in Figure 7, as a kind of embodiment,
Relief opening on baffler 13 comprises first row gas port and second exhaust port;
The shape of described first row gas port is circular, is arranged on all sides of the mounting hole on baffler 13;
Described mounting hole is dome hole, and described second exhaust port is the remainder after mounting hole holds bent axle.
The working principle of compressor is: under the driving of motor 2, compressor operation, the refrigerant of returning from system enters low pressure stage cylinder 10 by liquor separator parts 5, be expelled in lower flange 11 after compression, another part refrigerant returns to enter increasing enthalpy parts 3 from another loop of system, flow in lower flange 11 by the increasing enthalpy mouth on low pressure stage cylinder 10, the refrigerant be expelled in lower flange 11 mixes after compressing through low pressure stage cylinder 10, the mixing refrigerant of pressing in formation, mixing refrigerant by the opening on low pressure stage cylinder 10 after pump partition plate 9, sucked by high-pressure cylinder 8 and be compressed into high pressure refrigerant, the upper space of enclosure interior is expelled to by upper flange 7 and baffler 13, and be discharged to system from outlet pipe.
Adopt the Dual-level enthalpy adding compressor of above embodiment, exhaust resistance loss, exhaust sound with ratio cc change curve as shown in Figure 3; Exhaust resistance loss, exhaust sound with ratio beta change curve as figure
Shown in 4; By change curve can find out ratio cc 1-2, ratio beta at 1-1.5 time, baffler exhaust resistance is little, noise reduction is obvious.
By optimizing upper flange and the exhaust port of lower flange and the size relationship of baffler relief opening, the effect reducing compressor air-discharging resistance, reduction exhaust sound can be reached.
The above embodiment only have expressed several mode of execution of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. a Dual-level enthalpy adding compressor, comprise shell, arrange motor in the enclosure and pump assembly, described pump assembly comprises bent axle, high pressure stage cylinder and low pressure stage cylinder, it is characterized in that:
Described pump assembly also comprises upper flange, lower flange and baffler;
Described upper flange is arranged on described high pressure stage cylinder, described upper flange is provided with the upper flange exhaust port being communicated with described high pressure stage cylinder;
Described lower flange is arranged on described low pressure stage cylinder, described lower flange is provided with the lower flange exhaust port being communicated with described low pressure stage cylinder;
Described baffler is arranged on described upper flange, and described baffler is provided with mounting hole, and described bent axle is through described mounting hole;
Described baffler is provided with relief opening;
The ratio cc of the equivalent diameter D3 of described relief opening and the equivalent diameter D1 of described upper flange exhaust port is 1 ~ 2;
The ratio beta of the equivalent diameter D3 of described relief opening and the equivalent diameter D2 of described lower flange exhaust port is 1 ~ 1.5;
Wherein, equivalent diameter calculating formula is
s is exhaust port area.
2. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Described upper flange exhaust port radial cross section is circular or D font;
Described lower flange exhaust port radial cross section is circular or D font.
3. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Described baffler arranges mounting hole;
Described relief opening radial cross section is circular, is arranged on all sides of described mounting hole.
4. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Mounting hole on described baffler is dome hole, and described relief opening is the remainder after described mounting hole holds described bent axle.
5. the Dual-level enthalpy adding compressor according to any one of claim 1-4, is characterized in that:
The ratio cc of the equivalent diameter D3 of described relief opening and the equivalent diameter D1 of described upper flange exhaust port is 1.4.
6. the Dual-level enthalpy adding compressor according to any one of claim 1-4, is characterized in that:
The D2 ratio beta of the equivalent diameter D3 of described relief opening and the equivalent diameter of described lower flange exhaust port is 1.3.
7. Dual-level enthalpy adding compressor according to claim 1, is characterized in that:
Described relief opening comprises first row gas port and second exhaust port;
The shape of described first row gas port is circular, is arranged on all sides of the mounting hole on described silencing apparatus;
Described mounting hole is dome hole, and described second exhaust port is the remainder after described mounting hole holds described bent axle.
8. an air conditioner, is characterized in that:
Comprise the Dual-level enthalpy adding compressor described in claim 1 to 7 any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044620.0A CN103967789B (en) | 2013-02-04 | 2013-02-04 | Dual-level enthalpy adding compressor and there is its air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044620.0A CN103967789B (en) | 2013-02-04 | 2013-02-04 | Dual-level enthalpy adding compressor and there is its air conditioner |
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| Publication Number | Publication Date |
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| CN103967789A CN103967789A (en) | 2014-08-06 |
| CN103967789B true CN103967789B (en) | 2016-04-13 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107476974A (en) * | 2017-08-11 | 2017-12-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump housing upper flange, pump assembly and compressor |
| CN108119365B (en) * | 2017-12-18 | 2024-04-02 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161280A (en) * | 2001-11-26 | 2003-06-06 | Sanyo Electric Co Ltd | Rotary compressor |
| CN102374166A (en) * | 2010-08-23 | 2012-03-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersink grooves and bi-rotor two-stage enthalpy-increasing compressor having same |
| CN202301035U (en) * | 2011-09-30 | 2012-07-04 | 珠海格力电器股份有限公司 | Double-stage compressor with middle venting partition board |
| CN203114629U (en) * | 2013-02-04 | 2013-08-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage enthalpy-adding compressor and air conditioner provided with same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101316247B1 (en) * | 2007-07-31 | 2013-10-08 | 엘지전자 주식회사 | 2 stage rotary compressor |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161280A (en) * | 2001-11-26 | 2003-06-06 | Sanyo Electric Co Ltd | Rotary compressor |
| CN102374166A (en) * | 2010-08-23 | 2012-03-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersink grooves and bi-rotor two-stage enthalpy-increasing compressor having same |
| CN202301035U (en) * | 2011-09-30 | 2012-07-04 | 珠海格力电器股份有限公司 | Double-stage compressor with middle venting partition board |
| CN203114629U (en) * | 2013-02-04 | 2013-08-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Double-stage enthalpy-adding compressor and air conditioner provided with same |
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| CN103967789A (en) | 2014-08-06 |
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