CN204140427U - Rotary compressor - Google Patents
Rotary compressor Download PDFInfo
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- CN204140427U CN204140427U CN201420467307.8U CN201420467307U CN204140427U CN 204140427 U CN204140427 U CN 204140427U CN 201420467307 U CN201420467307 U CN 201420467307U CN 204140427 U CN204140427 U CN 204140427U
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- cylinder body
- rotary compressor
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Abstract
The utility model provides a kind of rotary compressor, comprising: housing; First compression cylinder, has the first intakeport, first row gas port, the first cylinder body and the first rotor; Second compression cylinder, has the second intakeport, second exhaust port, the second cylinder body and the second rotor; Motor, drives the first rotor and the second rotor turns; First dividing plate, between the first cylinder body and the second cylinder body, first compression cylinder, the second compression cylinder, the first dividing plate and motor are all positioned at housing, rotary compressor also comprises: increase enthalpy mixing chamber, have and increase enthalpy refrigerant import and mixing exhaust mouth, mixing exhaust mouth is connected with the second intakeport, and first row gas port is connected with the second intakeport by this increasing enthalpy mixing chamber; Outlet pipe, have inlet end and exhaust end, inlet end is connected with second exhaust port, and exhaust end is positioned at the outside of housing.Rotary compressor of the present utility model can reduce the temperature of final refrigerant of discharging.
Description
Technical field
The utility model relates to Compressor Technology field, in particular to a kind of rotary compressor.
Background technique
At present, in refrigeration and cold storage field, because operating conditions is more special, compressor is lower in evaporating temperature for a long time, run in the scope that condensing temperature is higher, delivery temperature is now higher, such as, for R410A refrigeration agent, evaporating temperature-30 DEG C, under the operating mode that condensing temperature is 65 DEG C, the delivery temperature of the pump housing is more than 120 DEG C, too high delivery temperature can cause following problem: the degree of superheat 1, increasing compressor pump assembly, reduces gas transmission coefficient and increases power consumpiton; In the high back pressure compressor of 2, high pressure ratio, high temperature, high-pressure refrigerant are directly discharged to enclosure interior after pump body compression, then discharge outside housing through motor, can increase the temperature rise of motor thus, if motor runs for a long time under this worst hot case, reduction working life that can be more serious; 3, refrigeration oil runs for a long time under worst hot case, oil body can be caused to reduce, the problem such as inordinate wear between moving parts may be brought, reduce the reliability of compressor, delivery temperature too high in addition also may cause refrigeration agent and refrigeration oil to decompose, and produces harmful free carbon, acids and moisture.
Model utility content
The utility model aims to provide a kind of rotary compressor reducing the temperature of final refrigerant of discharging.
To achieve these goals, the utility model provides a kind of rotary compressor, comprising: housing; First compression cylinder, has the first intakeport, first row gas port, the first cylinder body and the first rotor; Second compression cylinder, has the second intakeport, second exhaust port, the second cylinder body and the second rotor; Motor, drives the first rotor and the second rotor turns; First dividing plate, between the first cylinder body and the second cylinder body, first compression cylinder, the second compression cylinder, the first dividing plate and motor are all positioned at housing, rotary compressor also comprises: increase enthalpy mixing chamber, have and increase enthalpy refrigerant import and mixing exhaust mouth, mixing exhaust mouth is connected with the second intakeport, and first row gas port is connected with the second intakeport by this increasing enthalpy mixing chamber; Outlet pipe, have inlet end and exhaust end, inlet end is connected with second exhaust port, and exhaust end is positioned at the outside of housing.
Further, rotary compressor of the present utility model also comprises: the 3rd compression cylinder, there is the 3rd intakeport, the 3rd relief opening, the 3rd cylinder body and third trochanter, 3rd compression cylinder is between the first compression cylinder and the second compression cylinder, and the 3rd relief opening is connected with the second intakeport by increasing enthalpy mixing chamber; Second partition, between the second cylinder body and the 3rd cylinder body, the first dividing plate is between the first cylinder body and the 3rd cylinder body.
Further, rotary compressor of the present utility model also comprises: flange in the bottom, and be fixedly installed on the first cylinder body, the first cylinder body is between flange in the bottom and the second cylinder body; Bottom cover plate, is fixedly installed on flange in the bottom, and flange in the bottom, between bottom cover plate and the first cylinder body, increases enthalpy mixing chamber and is formed between bottom cover plate and flange in the bottom.
Further, flange in the bottom on the end face of bottom cover plate, be provided with mixing tank, space between mixing tank and bottom cover plate is formed and increases enthalpy mixing chamber.
Further, the first cylinder body has the pod apertures of corresponding mixing exhaust mouth, and the first dividing plate has the first through hole be connected with pod apertures, and mixing exhaust mouth is connected with the second intakeport with the first through hole by pod apertures.
Further, the first dividing plate on the end face of the first compression cylinder, be provided with flow-through grooves, flow-through grooves has the corresponding portion of corresponding pod apertures, and the first through hole is positioned at the bottom land of flow-through grooves, and corresponding portion and the first through hole interval in the circumference of the first dividing plate is arranged.
Further, the first dividing plate has the second through hole, and the second through hole is connected with the 3rd relief opening, and the first cylinder body has the third through-hole corresponding with the second through hole, and the 3rd relief opening is connected with increasing enthalpy mixing chamber with third through-hole by the second through hole.
Further, housing is provided with cooling liquid inlet and cooling liquid outlet, the corresponding motor of setting position of cooling liquid inlet.
Further, cooling liquid inlet is multiple, and multiple cooling liquid inlet interval in the circumference of housing is arranged.
Further, the axis of cooling liquid outlet and the axial vertical of cooling liquid inlet.
Application the technical solution of the utility model, be connected with the second intakeport in first row gas port by this increasing enthalpy mixing chamber, therefore, refrigerant after the first compression cylinder compression is entered by first row gas port and increases in enthalpy mixing chamber, and flow into the increasing enthalpy refrigerant increasing enthalpy mixing chamber mix mutually with through increasing the import of enthalpy refrigerant, refrigerant temperature after mixing obviously reduces, the refrigerant that this temperature reduces enters the second compression cylinder through the second intakeport and compresses, and discharge from second exhaust port, because the temperature of the refrigerant entering the second compression cylinder reduces, therefore the temperature through the refrigerant of second exhaust port discharge also correspondingly reduces.As the above analysis, rotary compressor of the present utility model can reduce the temperature of final refrigerant of discharging.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the cross-sectional schematic of the embodiment according to rotary compressor of the present utility model;
Fig. 2 shows the schematic front view of the first dividing plate of the rotary compressor of Fig. 1.
Wherein, the reference character in above-mentioned figure is as follows:
10, housing; 11, motor; 12, cooling liquid inlet; 13, cooling liquid outlet; 21, the first cylinder body; 22, the second cylinder body; 23, the 3rd cylinder body; 30, the first dividing plate; 31, the first through hole; 32, flow-through grooves; 33, corresponding portion; 34, the second through hole; 40, enthalpy mixing chamber is increased; 41, flange in the bottom; 42, bottom cover plate; 50, second partition.
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 utility model in detail in conjunction with the embodiments.
As shown in Figure 1, the rotary compressor of the present embodiment comprises housing 10, first compression cylinder, the second compression cylinder, motor 11, first dividing plate 30 and increases enthalpy mixing chamber 40.First compression cylinder has the first intakeport, first row gas port, the first cylinder body 21 and the first rotor.Second compression cylinder has the second intakeport, second exhaust port, the second cylinder body 22 and the second rotor.Motor 11 drives the first rotor and the second rotor turns.First dividing plate 30, between the first cylinder body 21 and the second cylinder body 22, the first compression cylinder, the second compression cylinder, the first dividing plate 30 and motor 11 are all positioned at housing 10.Increase enthalpy mixing chamber 40 and have increasing enthalpy refrigerant import and mixing exhaust mouth, mixing exhaust mouth is connected with the second intakeport, and first row gas port is connected with the second intakeport by this increasing enthalpy mixing chamber 40.In the present embodiment, increase enthalpy mixing chamber 40 and be positioned at housing 10, like this, make more compact structure, minimizing takes up room.In figure, arrow is that refrigerant flows to.The horizontal compressor of the rotary compressor of the present embodiment, the below of housing 10 is provided with supporting frame.
The rotary compressor of the present embodiment also comprises outlet pipe, and outlet pipe has inlet end and exhaust end, and inlet end is connected with second exhaust port, and exhaust end is positioned at the outside of housing 10.Adopt aforesaid way, the high temperature refrigerant of being discharged by second exhaust port can be avoided to flow into the inside of housing 10 and contact with motor 11, so that reduce the working life of motor 11.
The rotary compressor of application the present embodiment, because first row gas port is connected with the second intakeport by this increasing enthalpy mixing chamber 40, therefore, refrigerant after the first compression cylinder compression is entered by first row gas port and increases in enthalpy mixing chamber 40, and flow into the increasing enthalpy refrigerant increasing enthalpy mixing chamber 40 mix mutually with through increasing the import of enthalpy refrigerant, refrigerant temperature after mixing obviously reduces, the refrigerant that this temperature reduces enters the second compression cylinder through the second intakeport and compresses, and discharge from second exhaust port, because the temperature of the refrigerant entering the second compression cylinder reduces, therefore the temperature through the refrigerant of second exhaust port discharge also correspondingly reduces.As the above analysis, the rotary compressor of the present embodiment can reduce the temperature of final refrigerant of discharging.
As shown in Figure 1, the rotary compressor of the present embodiment also comprises the 3rd compression cylinder and second partition 50,3rd compression cylinder has the 3rd intakeport, the 3rd relief opening, the 3rd cylinder body 23 and third trochanter, 3rd compression cylinder is between the first compression cylinder and the second compression cylinder, and the 3rd relief opening is connected with the second intakeport by increasing enthalpy mixing chamber 40.Second partition 50 is between the second cylinder body 22 and the 3rd cylinder body 23, and the first dividing plate 30 is between the first cylinder body 21 and the 3rd cylinder body 23.Because the 3rd relief opening is connected with the second intakeport by increasing enthalpy mixing chamber 40, therefore, refrigerant after 3rd compression cylinder compression flows into and increases enthalpy mixing chamber 40 and mix to reduce temperature with increasing enthalpy refrigerant, arranges the decrement that the 3rd compression cylinder can increase rotary compressor.
As shown in Figure 1, the rotary compressor of the present embodiment also comprises flange in the bottom 41 and bottom cover plate 42.Flange in the bottom 41 is fixedly installed on the first cylinder body 21, and the first cylinder body 21 is between flange in the bottom 41 and the second cylinder body 22.Bottom cover plate 42 is fixedly installed on flange in the bottom 41, and flange in the bottom 41, between bottom cover plate 42 and the first cylinder body 21, increases enthalpy mixing chamber 40 and is formed between bottom cover plate 42 and flange in the bottom 41.Adopt said structure, increase enthalpy mixing chamber 40 more stable, and be positioned at the inside of the housing 10 of rotary compressor.In addition, as feasible mode of execution, can be formed by tank body and increase enthalpy mixing chamber 40, be connected with first row gas port and the second intakeport respectively by two pipelines.
As shown in Figure 1, in the present embodiment, flange in the bottom 41 on the end face of bottom cover plate 42, be provided with mixing tank, the space between mixing tank and bottom cover plate 42 is formed and increases enthalpy mixing chamber 40.Said structure be convenient to install bottom cover plate 42, certainly, mixing tank can be opened in bottom cover plate 42 towards on the end face of flange in the bottom 41.
As shown in Figure 1, in the present embodiment, first cylinder body 21 has the pod apertures (not shown) of corresponding mixing exhaust mouth, and the first dividing plate 30 has the first through hole 31 be connected with pod apertures, and mixing exhaust mouth is connected with the second intakeport with the first through hole 31 by pod apertures.Adopting said structure, being connected with the second intakeport to make mixing exhaust mouth without the need to arranging separately pipeline.For the situation with the 3rd compression cylinder and second partition 50, the 3rd cylinder body 23 is connected and corresponding pilot hole with the first through hole 31 with second partition 50 is provided with.
As shown in Figure 2, in the present embodiment, first dividing plate 30 on the end face of the first compression cylinder, be provided with flow-through grooves 32, flow-through grooves 32 has the corresponding portion 33 (in figure dotted portion) of corresponding pod apertures, first through hole 31 is positioned at the bottom land of flow-through grooves 32, and corresponding portion 33 and the first through hole 31 interval in the circumference of the first dividing plate 30 are arranged.Flow-through grooves 32 is the curve bath extended along the circumference of the first dividing plate 30.Due to corresponding portion 33 and the first through hole 31, interval in the circumference of the first dividing plate 30 is arranged, and therefore, the refrigerant flowed in flow-through grooves 32 through pod apertures is buffered, and makes the flow velocity of refrigerant more stable.In the present embodiment, second partition 50 on the end face of the 3rd compression cylinder, be provided with the first flow-through grooves, first flow-through grooves has the first corresponding portion of the pod apertures on corresponding 3rd cylinder body 23, pilot hole on second partition 50 is positioned at the bottom land of the first flow-through grooves, and the pilot hole interval in the circumference of second partition 50 on the first corresponding portion and second partition 50 is arranged.
As depicted in figs. 1 and 2, in the present embodiment, the first dividing plate 30 has the second through hole 34, second through hole 34 and is connected with the 3rd relief opening, first cylinder body 21 has the third through-hole corresponding with the second through hole 34, and the 3rd relief opening is connected with increasing enthalpy mixing chamber 40 with third through-hole by the second through hole 34.Adopting said structure, being connected with increasing enthalpy mixing chamber 40 without the need to arranging separately pipeline to make the 3rd relief opening.
As shown in Figure 1, in the present embodiment, housing 10 is provided with cooling liquid inlet 12 and cooling liquid outlet 13, the corresponding motor 11 of setting position of cooling liquid inlet 12.Cooling liquid to enter in housing 10 through cooling liquid inlet 12 and contacts with motor 11, and cooling liquid is lowered the temperature to motor 11.
As shown in Figure 1, in the present embodiment, cooling liquid inlet 12 is multiple, and multiple cooling liquid inlet 12 interval in the circumference of housing 10 is arranged.Adopt said structure, more effective cooling can be carried out to motor 11.Cooling liquid inlet 12 in the present embodiment is four.
As shown in Figure 1, in the present embodiment, the axis of cooling liquid outlet 13 and the axial vertical of cooling liquid inlet 12.Adopt said structure, if cooling liquid will flow out housing 10, its flow direction will change, and avoids cooling liquid very successfully to flow out housing 10, can improve the utilization ratio of cooling liquid.
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 amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a rotary compressor, comprising:
Housing (10);
First compression cylinder, has the first intakeport, first row gas port, the first cylinder body (21) and the first rotor;
Second compression cylinder, has the second intakeport, second exhaust port, the second cylinder body (22) and the second rotor;
Motor (11), drives described the first rotor and described second rotor turns;
First dividing plate (30), be positioned between described first cylinder body (21) and described second cylinder body (22), described first compression cylinder, described second compression cylinder, described first dividing plate (30) and described motor (11) are all positioned at described housing (10), it is characterized in that, described rotary compressor also comprises:
Increase enthalpy mixing chamber (40), have and increase enthalpy refrigerant import and mixing exhaust mouth, mixing exhaust mouth is connected with described second intakeport, and described first row gas port is connected with described second intakeport by this increasing enthalpy mixing chamber (40);
Outlet pipe, has inlet end and exhaust end, and described inlet end is connected with described second exhaust port, and described exhaust end is positioned at the outside of described housing (10).
2. rotary compressor according to claim 1, is characterized in that, also comprises:
3rd compression cylinder, there is the 3rd intakeport, the 3rd relief opening, the 3rd cylinder body (23) and third trochanter, described 3rd compression cylinder is between described first compression cylinder and described second compression cylinder, and described 3rd relief opening is connected with described second intakeport by described increasing enthalpy mixing chamber (40);
Second partition (50), be positioned between described second cylinder body (22) and described 3rd cylinder body (23), described first dividing plate (30) is positioned between described first cylinder body (21) and described 3rd cylinder body (23).
3. rotary compressor according to claim 1, is characterized in that, also comprises:
Flange in the bottom (41), be fixedly installed on described first cylinder body (21), described first cylinder body (21) is positioned between described flange in the bottom (41) and described second cylinder body (22);
Bottom cover plate (42), be fixedly installed on described flange in the bottom (41), described flange in the bottom (41) is positioned between described bottom cover plate (42) and described first cylinder body (21), and described increasing enthalpy mixing chamber (40) is formed between described bottom cover plate (42) and described flange in the bottom (41).
4. rotary compressor according to claim 3, it is characterized in that, described flange in the bottom (41) on the end face of described bottom cover plate (42), be provided with mixing tank, the space between described mixing tank and described bottom cover plate (42) forms described increasing enthalpy mixing chamber (40).
5. rotary compressor according to claim 1, it is characterized in that, first cylinder body (21) has the pod apertures of corresponding described mixing exhaust mouth, described first dividing plate (30) has the first through hole (31) be connected with described pod apertures, and described mixing exhaust mouth is connected with described second intakeport with the first through hole (31) by described pod apertures.
6. rotary compressor according to claim 5, it is characterized in that, described first dividing plate (30) on the end face of described first compression cylinder, be provided with flow-through grooves (32), described flow-through grooves (32) has the corresponding portion (33) of corresponding described pod apertures, described first through hole (31) is positioned at the bottom land of described flow-through grooves (32), and described corresponding portion (33) and described first through hole (31) interval in the circumference of described first dividing plate (30) is arranged.
7. rotary compressor according to claim 2, it is characterized in that, described first dividing plate (30) has the second through hole (34), described second through hole (34) is connected with described 3rd relief opening, described first cylinder body (21) has the third through-hole corresponding with described second through hole (34), and described 3rd relief opening is connected with described increasing enthalpy mixing chamber (40) with described third through-hole by described second through hole (34).
8. rotary compressor according to claim 1, it is characterized in that, described housing (10) is provided with cooling liquid inlet (12) and cooling liquid outlet (13), the corresponding described motor (11) of setting position of described cooling liquid inlet (12).
9. rotary compressor according to claim 8, is characterized in that, described cooling liquid inlet (12) is for multiple, and described multiple cooling liquid inlet (12) interval in the circumference of described housing (10) is arranged.
10. rotary compressor according to claim 8, is characterized in that, the axis of described cooling liquid outlet (13) and the axial vertical of described cooling liquid inlet (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467307.8U CN204140427U (en) | 2014-08-18 | 2014-08-18 | Rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420467307.8U CN204140427U (en) | 2014-08-18 | 2014-08-18 | Rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140427U true CN204140427U (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420467307.8U Expired - Fee Related CN204140427U (en) | 2014-08-18 | 2014-08-18 | Rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204140427U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402135A (en) * | 2014-08-18 | 2016-03-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor |
| CN106321436A (en) * | 2016-09-12 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Horizontal rotating two-stage enthalpy increasing compressor |
-
2014
- 2014-08-18 CN CN201420467307.8U patent/CN204140427U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105402135A (en) * | 2014-08-18 | 2016-03-16 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor |
| CN106321436A (en) * | 2016-09-12 | 2017-01-11 | 珠海格力节能环保制冷技术研究中心有限公司 | Horizontal rotating two-stage enthalpy increasing compressor |
| CN106321436B (en) * | 2016-09-12 | 2018-06-12 | 珠海格力节能环保制冷技术研究中心有限公司 | Horizontal two-stage increasing enthalpy rotary compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |