CN103883533A - Double-stage compressor - Google Patents
Double-stage compressor Download PDFInfo
- Publication number
- CN103883533A CN103883533A CN201410098647.2A CN201410098647A CN103883533A CN 103883533 A CN103883533 A CN 103883533A CN 201410098647 A CN201410098647 A CN 201410098647A CN 103883533 A CN103883533 A CN 103883533A
- Authority
- CN
- China
- Prior art keywords
- air intake
- chamber
- pressure pulsation
- intake passage
- stage compression
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a double-stage compressor which comprises a shell, a compressing mechanism and a middle partition, wherein the compressing mechanism is arranged in the shell; a gas suction channel and a gas injection chamber are formed in the compressing mechanism; the compressing mechanism comprises a primary compressing component and a secondary compressing component; the gas injection chamber is used for receiving exhaust of the primary compressing component; the gas suction channel is provided with a first end and a second end; the first end of the gas suction channel is communicated with the gas injection chamber; the middle partition is sandwiched between the primary compressing component and the secondary compressing component; and a groove structure is formed on the middle partition and used for communicating the second end of the gas suction channel with the gas suction inlet of the secondary compressing component. The double-stage compressor can increase the gas suction area of the secondary compressing component and reduce the pressure pulsation loss in the gas suction channel, thereby enhancing the energy efficiency of the double-stage jet compressor.
Description
Technical field
The present invention relates to compressor field, especially relate to a kind of compound compressor.
Background technique
Compressor is in the time of operation, its breathing process can produce pressure of inspiration(Pi) pulsation, exhaust process can produce exhaust gas pressure pulse, in common single stage compressor, use liquid-storage container can reduce the pressure of inspiration(Pi) negative effect bringing of pulsing, can reduce the exhaust gas pressure pulse that compressing mechanism exhaust brings with baffler.
But in two stage compressor, the refrigeration agent after one-level compression is discharged in jet chamber, by air intake passage, jet chamber and two-stage compression intakeport is communicated with.Therefore, its pressure pulsation loss is equivalent to the summation of the pressure pulsation loss of one-level compression exhaust and secondary pressure of inspiration(Pi) pulsation loss, and this pressure pulsation loss is more much bigger than the pulsation of ordinary single-stage compressor.
And in correlation technique known for inventor, be mainly that the volume by increasing jet chamber reduces above-mentioned pressure pulsation loss.But the volume that increases separately jet chamber can cause the associated components volumes such as compressing mechanism to become large, cost is high, and for some compressors, also possibly cannot increase separately the volume in jet chamber for reasons such as structural limitations.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.
For this reason, one object of the present invention is to propose a kind of compound compressor, and this compound compressor can increase the air-breathing area of two-stage compression parts, reduces the pressure pulsation loss in air intake passage, thereby improves the efficiency of twin-stage jet compressor.
According to the compound compressor of the embodiment of the present invention, comprising: housing; And compressing mechanism, described compressing mechanism is located in described housing, in described compressing mechanism, be formed with air intake passage and jet chamber, described compressing mechanism comprises: one-level compression member and two-stage compression parts, wherein said jet chamber is for receiving the exhaust of described one-level compression member, described air intake passage has first end and the second end, and the described first end of described air intake passage is communicated with described jet chamber; And intermediate clapboard, described intermediate clapboard is folded between described one-level compression member and described two-stage compression parts, on described intermediate clapboard, be formed with groove structure, described groove structure is communicated with described second end of described air intake passage and the intakeport of described two-stage compression parts.
According to the compound compressor of the embodiment of the present invention, can be in the situation that not increasing compressing mechanism overall dimensions, by offer the groove structure that is communicated with respectively two-stage compression parts intakeport and air intake passage on intermediate clapboard, thereby realize the object that increases the air-breathing area of two-stage compression parts, reduce the pressure pulsation loss in air intake passage, and then improved the efficiency of twin-stage jet compressor.
In addition, according to the compound compressor of the embodiment of the present invention, can also there is following additional technical feature:
According to some embodiments of the present invention, the intakeport of described groove structure and described two-stage compression parts is just right, and described groove structure connects described intermediate clapboard.Thereby groove structure can effectively increase the air-breathing area of two-stage compression parts, reduce pressure pulsation loss.
According to some embodiments of the present invention, the area of the cross section of described air intake passage is according to diminishing gradually towards the direction of described two-stage compression parts from described jet chamber.
Like this, by air intake passage being arranged to the cone-shaped passage of variable cross section, be conducive to subdue pressure pulsation, ensure the air-breathing air flow direction inertia of secondary, reduced pressure pulsation loss, thereby improved the efficiency of compressor.
According to some embodiments of the present invention, described air intake passage is divided into the multiple sub-air intake passage being connected successively, each described sub-air intake passage is uniform section passage, and the area of the cross section of two described sub-air intake passages of arbitrary neighborhood is not etc., to make described air intake passage be formed as cascade channel design.
Thus, can subdue pressure pulsation, ensure the air-breathing air flow direction inertia of secondary, reduce pressure pulsation loss, thereby improve the efficiency of compressor.
According to some embodiments of the present invention, the sectional area of the cross section of described multiple sub-air intake passages is according to successively decreasing successively towards the direction of described two-stage compression parts from described jet chamber.
Thus, can subdue equally pressure pulsation, ensure the air-breathing air flow direction inertia of secondary, reduce pressure pulsation loss, thereby improve the efficiency of compressor.
According to some embodiments of the present invention, the sectional area of the cross section of described multiple sub-air intake passages is according to first increasing progressively and successively decrease towards the direction of described two-stage compression parts from described jet chamber.
Thus, can subdue pressure pulsation, ensure the air-breathing air flow direction inertia of secondary, reduce pressure pulsation loss, thereby improve the efficiency of compressor.
According to some embodiments of the present invention, in described compressing mechanism, be also formed with pressure pulsation and subdue chamber, described pressure pulsation is subdued chamber and is communicated with described groove structure.
Subdue chamber by pressure pulsation is set, can further reduce pressure pulsation loss, act on the efficiency that can improve better compressor with groove structure simultaneously.
According to some embodiments of the present invention, it is monomer cavity configuration that chamber is subdued in described pressure pulsation; Or
Described pressure pulsation is subdued chamber and is comprised that multiple sub-cavitys that communicate with each other are to form multi-cavity structure.
According to some embodiments of the present invention, described two-stage compression parts be positioned at described one-level compression member above, described two-stage compression parts comprise upper cylinder, main bearing, described one-level compression member comprises lower cylinder, supplementary bearing and cover plate, and described cover plate is located at the bottom surface of described supplementary bearing to limit described jet chamber between described cover plate and described supplementary bearing.
According to some embodiments of the present invention, it is monomer cavity configuration that chamber is subdued in described pressure pulsation, and described pressure pulsation is subdued chamber and is formed on described upper cylinder or described pressure pulsation is subdued chamber and is formed on described intermediate clapboard.
According to some embodiments of the present invention, it is multi-cavity structure that chamber is subdued in described pressure pulsation, wherein
Described pressure pulsation subdue chamber comprise two sub-cavitys and be respectively formed at described intermediate clapboard and described lower cylinder on; Or
Described pressure pulsation is subdued chamber and is comprised three sub-cavitys and be respectively formed on described intermediate clapboard, described lower cylinder and described supplementary bearing.
Brief description of the drawings
Fig. 1 is the schematic diagram of compound compressor according to an embodiment of the invention;
Fig. 2 is the partial schematic diagram of the compound compressor shown in Fig. 1;
Fig. 3 is the schematic diagram of the air intake passage in one of them embodiment;
Fig. 4 is the schematic diagram of the air intake passage in another embodiment;
Fig. 5 is the schematic diagram of the air intake passage in another embodiment;
Fig. 6 is the schematic diagram that chamber is subdued in one of them embodiment's pressure pulsation;
Fig. 7 is the schematic diagram that chamber is subdued in another embodiment's pressure pulsation;
Fig. 8 is the schematic diagram that chamber is subdued in another embodiment's pressure pulsation;
Fig. 9 is the schematic diagram that chamber is subdued in another embodiment's pressure pulsation;
Figure 10 is the stereogram of one of them embodiment's intermediate clapboard;
Figure 11 is the plan view of the intermediate clapboard shown in Figure 10.
Reference character:
Housing 1;
Baffler 21, main bearing 22, upper cylinder 23, intermediate clapboard 24, lower cylinder 25, supplementary bearing 26, cover plate 27, bent axle 28;
Drive motor 3, stator 31, rotor 32;
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of instructions such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Describe in detail according to the compound compressor 100 of the embodiment of the present invention below with reference to Fig. 1-Figure 11, this compound compressor 100 can be in refrigeration system.
Housing 1 can comprise main casing, is located at the upper shell above main casing and is located at the lower shell body below main casing, between main casing and upper shell and main casing and lower shell body, can be welded and fixed, and the present invention does not make particular determination for the structure of housing 1.
Compressing mechanism is located in housing 1, and for example compressing mechanism can be fixed on the internal face of housing 1, but is not limited to this.Compressing mechanism has double-cylinder structure, thereby realizes Two-stage Compression function.Compressing mechanism can comprise one-level compression member (comprising the parts such as piston, slide plate of lower cylinder 25, correspondence), two-stage compression parts (comprising the parts such as piston, slide plate of upper cylinder 23, correspondence) and intermediate clapboard 24, and intermediate clapboard 24 is folded between one-level compression member and two-stage compression parts.
Two-stage compression parts can be positioned at one-level compression member above, two-stage compression parts can suck the exhaust through the compression of one-level compression member, exhaust is carried out to secondary compression, the exhaust of two-stage compression parts can be drained in baffler 21, and be finally drained into housing 1 inside from baffler 21, after the cooling complete drive motor 3 of this part exhaust, can directly discharge from the outlet pipe that is positioned at housing 1 top.
In conjunction with Fig. 1, below the concrete structure to compressing mechanism is described in detail.Wherein one-level compression member can comprise the parts such as lower cylinder 25, supplementary bearing 26 and cover plate 27, two-stage compression parts can comprise the parts such as upper cylinder 23, main bearing 22, wherein upper cylinder 23 is located at the end face of intermediate clapboard 24, main bearing 22 is located at the end face of upper cylinder 23, baffler 21 can be located on main bearing 22 for noise reduction, lower cylinder 25 is located at the bottom surface of intermediate clapboard 24, supplementary bearing 26 is located at the bottom surface of lower cylinder 25, cover plate 27 can be located at the bottom surface of supplementary bearing 26, thereby limits jet chamber 41 between cover plate 27 and supplementary bearing 26.
It should be noted that, compressing mechanism can also comprise bent axle 28 and distinguish the structures such as the slide plate of corresponding one-level compression member and two-stage compression parts, vane slot, piston, these structures can adopt the design identical or close with existing compound compressor, repeat no longer one by one here for succinct object.And, being understandable that, the bent axle 28 of compressing mechanism is driven by drive motor 3, drive motor 3 can comprise stator 31 and rotor 32, stator 31 can be fixed on the internal face of housing 1, and rotor 32 is positioned at the inner side of stator 31 rotationally, and rotor 32 can be fixed with the top of bent axle 28.
As shown in Figure 3-Figure 5, be also formed with air intake passage 43 in compressing mechanism, air intake passage 43 is for being communicated with the air-breathing center-aisle of the exhaust of one-level compression member and two-stage compression parts.Air intake passage 43 can be the passage that runs through supplementary bearing 26, lower cylinder 25 and intermediate clapboard 24, but is not limited to this.
Shown in Fig. 1-Fig. 2, Figure 10-Figure 11, on intermediate clapboard 24, be formed with groove structure 42, and air intake passage 43 can have first end (for example, the lower end in Fig. 3-Fig. 5) and the second end (for example, the upper end in Fig. 3-Fig. 5).Wherein, the first end of air intake passage 43 is communicated with jet chamber 41, and groove structure 42 is communicated with the second end of air intake passage 43 and the intakeport 44 of two-stage compression parts.
Because air intake passage 43 is positioned at compressing mechanism inside, be limited to the matching relationship of the each parts of compressing mechanism, the sectional area at intakeport 44 places of two-stage compression parts is generally less than normal.And according to the compound compressor 100 of the embodiment of the present invention, by groove structure 42 is set on intermediate clapboard 24, groove structure 42 is for being communicated with the intakeport 44 of air intake passage 43 and two-stage compression parts, and because intermediate clapboard 24 is close to the setting of two-stage compression parts, therefore groove structure 42 in abutting connection with or be close to the intakeport 44 of two-stage compression parts, thereby be equivalent to increase the sectional area of the intakeport 44 of two-stage compression parts, thereby can effectively reduce the flow resistance of breathing process, be conducive to improve the efficiency of compound compressor 100.
In brief, according to the compound compressor 100 of the embodiment of the present invention, can be in the situation that not increasing compressing mechanism overall dimensions, by offer the groove structure 42 that is communicated with respectively two-stage compression parts intakeport 44 and air intake passage 43 on intermediate clapboard 24, thereby realize the object that increases the air-breathing area of two-stage compression parts, reduce the pressure pulsation loss in air intake passage 43, and then improved the efficiency of twin-stage jet compressor 100.
According to some embodiments of the present invention, groove structure 42 is just right with the intakeport 44 of two-stage compression parts, thereby groove structure 42 can effectively increase the air-breathing area of two-stage compression parts, reduces pressure pulsation loss.Groove structure 42 can be formed as connecting the through slot form of intermediate clapboard 24, is convenient to like this be communicated with the intakeport 44 of air intake passage 43 and two-stage compression parts.Alternatively, groove structure 42 can be formed as hierarchic structure, as shown in Figure 1, but is not limited to this.
Usually, each inspiratory cycle of compressor 100 has air-breathing termination procedure, so often incident termination and the air-breathing backflow pulse that has air-breathing inertial force, if and inertial force is just zero, but because the impacts such as the restricted and working conditions change of structure will be difficult to realization, and air-breathing inertial force all existed in the whole cycle, easily there is poor inspiration phenomenon, cause expansion pulse loss in cylinder.And, the factor such as minimum cylinder volume variation and the time warping of valve opening and closing in cylinder interior space, capital produces larger turbulent flow and pressure pulse loss, therefore in compound compressor 100, air-flow in air intake passage 43 is subject to the impact of above-mentioned factor, be that the caused negative effect of one-level exhaust can have influence on secondary inspiratory airflow effect of inertia, and then affect the gettering efficiency in two-stage compression chamber, the air-breathing backflow of two-stage compression can be subject to such impact equally.
In view of this, in certain embodiments, shown in Fig. 3, the area of the cross section of air intake passage 43 is according to diminishing gradually towards the direction of two-stage compression parts from jet chamber 41.Particularly, in the example of Fig. 3, from jet chamber 41 towards the direction of two-stage compression parts for from bottom to top, that is to say, air intake passage 43 is the cardinal principle tapered channel of convergent gradually from bottom to top.
Like this, by air intake passage 43 being arranged to the cone-shaped passage of variable cross section, be conducive to subdue above-mentioned pressure pulsation, ensure the air-breathing air flow direction inertia of secondary, reduce pressure pulsation loss, thereby improve the efficiency of compressor 100.
But, the present invention is not limited to this, in other embodiments of the present invention, as shown in Figure 4 and Figure 5, air intake passage 43 (for example can be divided into connected successively multiple sub-air intake passage, the first sub-air intake passage 431, the second sub-air intake passage 432 and the 3rd sub-air intake passage 433), every sub-air intake passage can be all uniform section passage, and the area of the cross section of two sub-air intake passages of arbitrary neighborhood can be not wait, thereby make air intake passage 43 be formed as cascade channel design, as shown in Figure 4 and Figure 5.
Thus, can subdue equally above-mentioned pressure pulsation, ensure the air-breathing air flow direction inertia of secondary, reduce pressure pulsation loss, thereby improve the efficiency of compressor 100.
As the optional mode of execution of one, the area of the cross section of multiple sub-air intake passages 431 is according to successively decreasing successively towards the direction of two-stage compression parts from jet chamber 41.For example, in the example of Fig. 4, air intake passage 43 comprises the first sub-air intake passage 431, the second sub-air intake passage 432 and the 3rd sub-air intake passage 433 that are connected successively from the top down, the first sub-air intake passage 431 is connected with groove structure 42, the 3rd sub-air intake passage 433 is connected with jet chamber 41, wherein the area of the cross section of the 3rd sub-air intake passage 433 is greater than the area of the cross section of the second sub-air intake passage 432, and the area of the cross section of the second sub-air intake passage 432 is greater than the area of the cross section of the first sub-air intake passage 431.
As the optional mode of execution of another kind, the area of the cross section of multiple sub-air intake passages 431 is according to first increasing progressively and successively decrease towards the direction of two-stage compression parts from jet chamber 41.For example, in the example of Fig. 5, air intake passage 43 can comprise the first sub-air intake passage 431, the second sub-air intake passage 432 and the 3rd sub-air intake passage 433 that are connected successively from the top down, the first sub-air intake passage 431 is connected with groove structure 42, the 3rd sub-air intake passage 433 is connected with jet chamber 41, the area of the cross section of the 3rd sub-air intake passage 433 can equate with the area of the cross section of the first sub-air intake passage 431, and the area of the cross section of the second sub-air intake passage 432 is greater than the area of the cross section of the first sub-air intake passage 431.
In brief, the structure of three kinds of air intake passages 43 shown in Fig. 3-Fig. 5 all can realize the object of subduing above-mentioned pressure pulsation, thereby ensures the air-breathing air flow direction inertia of secondary, reduces pressure pulsation loss, and then improves the efficiency of compressor 100.
According to preferred embodiments more of the present invention, as shown in Fig. 6-Fig. 9, in compressing mechanism, be also formed with pressure pulsation and subdue chamber 45, chamber 45 is subdued in this pressure pulsation can have opening, and the open communication groove structure 42 in chamber 45 is subdued in pressure pulsation.Subdue chamber 45 by pressure pulsation is set, can further reduce pressure pulsation loss, act on the efficiency that can improve better compressor 100 with groove structure 42 simultaneously.
In certain embodiments, as shown in Figure 6 and Figure 7, pressure pulsation is subdued chamber 45 for monomer cavity configuration, be that to subdue chamber 45 be an independent cavity body structure in pressure pulsation, in these embodiments, the cavity that chamber 45 can be uniform section structure is subdued in pressure pulsation, but is not limited to this.
For example, according to the structure of different compressors 100, the particular location in chamber 45 is subdued in design pressure pulsation more neatly, for example, shown in Fig. 6, pressure pulsation is subdued chamber 45 and can be formed on upper cylinder 23, specifically can be formed on the bottom surface of upper cylinder 23, or shown in Fig. 7, pressure pulsation is subdued chamber 45 and can be formed on intermediate clapboard 24.
And in further embodiments, as shown in Figure 8 and Figure 9, pressure pulsation is subdued chamber 45 and is comprised that multiple sub-cavitys 451 that communicate with each other are to form multi-cavity structure, be that to subdue chamber 45 be to be connected and arranged and communicate with each other and a multi-cavity structure forming by multiple sub-cavitys 451 in pressure pulsation, can reduce better like this pressure pulsation loss, improve compressor 100 efficiencies.In these embodiments, every sub-cavity 451 can be all prismatic cavity body structure, can certainly be variable section structure, and the sectional area between multiple sub-cavitys 451 can be identical, can certainly be different.
In example with reference to Fig. 8, pressure pulsation subdue chamber 45 can comprise two sub-cavitys 451 and be respectively formed at intermediate clapboard 24 and lower cylinder 25 on.In example with reference to Fig. 9, pressure pulsation is subdued chamber 45 and can be comprised three sub-cavitys 451 and be respectively formed on intermediate clapboard 24, lower cylinder 25 and supplementary bearing 26.
In brief, according to different compressors 100 structures, because the pressure pulsation of its generation is generally different, therefore can do adaptive variation by position and the structure of pressure pulsation being subdued to chamber 45, thereby facilitate on the one hand structural design, can also meet on the other hand the demand of different compressors 100, thereby reduce its pressure pulsation, improve compressor 100 efficiencies.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.In addition, those skilled in the art can engage the different embodiments that describe in this specification or example and combine.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, amendment, replacement and modification.
Claims (11)
1. a compound compressor, is characterized in that, comprising:
Housing; And
Compressing mechanism, described compressing mechanism is located in described housing, is formed with air intake passage and jet chamber in described compressing mechanism, and described compressing mechanism comprises:
One-level compression member and two-stage compression parts, wherein said jet chamber is for receiving the exhaust of described one-level compression member, and described air intake passage has first end and the second end, and the described first end of described air intake passage is communicated with described jet chamber; And
Intermediate clapboard, described intermediate clapboard is folded between described one-level compression member and described two-stage compression parts, on described intermediate clapboard, be formed with groove structure, described groove structure is communicated with described second end of described air intake passage and the intakeport of described two-stage compression parts.
2. compound compressor according to claim 1, is characterized in that, the intakeport of described groove structure and described two-stage compression parts is just right, and described groove structure connects described intermediate clapboard.
3. compound compressor according to claim 1, is characterized in that, the area of the cross section of described air intake passage is according to diminishing gradually towards the direction of described two-stage compression parts from described jet chamber.
4. compound compressor according to claim 1, it is characterized in that, described air intake passage is divided into the multiple sub-air intake passage being connected successively, each described sub-air intake passage is uniform section passage, and the area of the cross section of two described sub-air intake passages of arbitrary neighborhood is not etc., to make described air intake passage be formed as cascade channel design.
5. compound compressor according to claim 4, is characterized in that, the area of the cross section of described multiple sub-air intake passages is according to successively decreasing successively towards the direction of described two-stage compression parts from described jet chamber.
6. compound compressor according to claim 4, is characterized in that, the area of the cross section of described multiple sub-air intake passages is according to first increasing progressively and successively decrease towards the direction of described two-stage compression parts from described jet chamber.
7. compound compressor according to claim 1, is characterized in that, is also formed with pressure pulsation and subdues chamber in described compressing mechanism, and described pressure pulsation is subdued chamber and is communicated with described groove structure.
8. compound compressor according to claim 7, is characterized in that, it is monomer cavity configuration that chamber is subdued in described pressure pulsation; Or
Described pressure pulsation is subdued chamber and is comprised that multiple sub-cavitys that communicate with each other are to form multi-cavity structure.
9. compound compressor according to claim 8, it is characterized in that, described two-stage compression parts be positioned at described one-level compression member above, described two-stage compression parts comprise upper cylinder, main bearing, described one-level compression member comprises lower cylinder, supplementary bearing and cover plate, and described cover plate is located at the bottom surface of described supplementary bearing to limit described jet chamber between described cover plate and described supplementary bearing.
10. compound compressor according to claim 9, is characterized in that, it is monomer cavity configuration that chamber is subdued in described pressure pulsation, and described pressure pulsation is subdued chamber and is formed on described upper cylinder or described pressure pulsation is subdued chamber and is formed on described intermediate clapboard.
11. compound compressors according to claim 9, is characterized in that, it is multi-cavity structure that chamber is subdued in described pressure pulsation, wherein
Described pressure pulsation subdue chamber comprise two sub-cavitys and be respectively formed at described intermediate clapboard and described lower cylinder on; Or
Described pressure pulsation is subdued chamber and is comprised three sub-cavitys and be respectively formed on described intermediate clapboard, described lower cylinder and described supplementary bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098647.2A CN103883533B (en) | 2014-03-14 | 2014-03-14 | Double-stage compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410098647.2A CN103883533B (en) | 2014-03-14 | 2014-03-14 | Double-stage compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103883533A true CN103883533A (en) | 2014-06-25 |
| CN103883533B CN103883533B (en) | 2017-06-16 |
Family
ID=50952604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410098647.2A Active CN103883533B (en) | 2014-03-14 | 2014-03-14 | Double-stage compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103883533B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015011A (en) * | 2016-06-27 | 2016-10-12 | 珠海凌达压缩机有限公司 | Compressor and air conditioner provided with same |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087892A (en) * | 1998-09-08 | 2000-03-28 | Daikin Ind Ltd | Two-stage compressor and air conditioner |
| JP2003097465A (en) * | 2001-09-26 | 2003-04-03 | Sanyo Electric Co Ltd | Two-stage rotary compressor |
| CN1499082A (en) * | 2002-11-06 | 2004-05-26 | Lg电子株式会社 | Enclosed compressor |
| CN1896541A (en) * | 2005-07-13 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Noise-decreasing structure of reciprocating rotary compressor |
| JP2007113542A (en) * | 2005-10-24 | 2007-05-10 | Hitachi Appliances Inc | Hermetic two-stage rotary compressor |
| CN201074594Y (en) * | 2007-07-17 | 2008-06-18 | 上海日立电器有限公司 | Low noise structure of compressor pump body |
| CN101251113A (en) * | 2008-04-09 | 2008-08-27 | 珠海格力电器股份有限公司 | Air suction structure of twin-tub rotation-type compressor |
| JP2010156226A (en) * | 2008-12-26 | 2010-07-15 | Sanyo Electric Co Ltd | Rotary compressor |
| CN201851359U (en) * | 2010-08-23 | 2011-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersunk head slot and dual-rotor two-stage enthalpy-increase compressor provided with same |
| CN202250863U (en) * | 2011-06-30 | 2012-05-30 | 珠海格力电器股份有限公司 | Double-stage rotating compressor |
| CN102900669A (en) * | 2011-07-28 | 2013-01-30 | 三菱电机株式会社 | Two stage rotary compressor |
-
2014
- 2014-03-14 CN CN201410098647.2A patent/CN103883533B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000087892A (en) * | 1998-09-08 | 2000-03-28 | Daikin Ind Ltd | Two-stage compressor and air conditioner |
| JP2003097465A (en) * | 2001-09-26 | 2003-04-03 | Sanyo Electric Co Ltd | Two-stage rotary compressor |
| CN1499082A (en) * | 2002-11-06 | 2004-05-26 | Lg电子株式会社 | Enclosed compressor |
| CN1896541A (en) * | 2005-07-13 | 2007-01-17 | 乐金电子(天津)电器有限公司 | Noise-decreasing structure of reciprocating rotary compressor |
| JP2007113542A (en) * | 2005-10-24 | 2007-05-10 | Hitachi Appliances Inc | Hermetic two-stage rotary compressor |
| CN201074594Y (en) * | 2007-07-17 | 2008-06-18 | 上海日立电器有限公司 | Low noise structure of compressor pump body |
| CN101251113A (en) * | 2008-04-09 | 2008-08-27 | 珠海格力电器股份有限公司 | Air suction structure of twin-tub rotation-type compressor |
| JP2010156226A (en) * | 2008-12-26 | 2010-07-15 | Sanyo Electric Co Ltd | Rotary compressor |
| CN201851359U (en) * | 2010-08-23 | 2011-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Pump body with countersunk head slot and dual-rotor two-stage enthalpy-increase compressor provided with same |
| CN202250863U (en) * | 2011-06-30 | 2012-05-30 | 珠海格力电器股份有限公司 | Double-stage rotating compressor |
| CN102900669A (en) * | 2011-07-28 | 2013-01-30 | 三菱电机株式会社 | Two stage rotary compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015011A (en) * | 2016-06-27 | 2016-10-12 | 珠海凌达压缩机有限公司 | Compressor and air conditioner provided with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103883533B (en) | 2017-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100696125B1 (en) | A fixed scroll for scroll compressor | |
| JP6757803B2 (en) | Pump assembly and compressor with it | |
| WO2009062366A1 (en) | A discharge valve device of a rotary compressor | |
| CN208749557U (en) | Air-conditioning system and its compressor and exhaust structure | |
| CN103161729B (en) | Rotary compressor and air conditioner | |
| CN103883533A (en) | Double-stage compressor | |
| KR102406171B1 (en) | Compressor | |
| KR100461232B1 (en) | Apparatus for compressing fluid | |
| CN101096946A (en) | Hermetic type compressor | |
| WO2015042947A1 (en) | Refrigerant filling type rotary compressor | |
| KR20080093583A (en) | A suction muffler for compressor | |
| CN102691660B (en) | Two-stage double-cylinder compressor with high refrigeration performance | |
| CN202431522U (en) | Two-stage dual-cylinder compressor with high refrigeration performance | |
| CN103883525A (en) | Double-stage compressor | |
| KR101981096B1 (en) | Hemetic compressor | |
| CN103380298B (en) | Valve plate assembly of compressor | |
| WO2019104993A1 (en) | Compressor and air conditioner having same | |
| CN108843573A (en) | A kind of three cylinder twin-stage positive displacement compressors | |
| KR100614231B1 (en) | The structure of sealing vane for capacity variable type scroll compressor | |
| CN208651158U (en) | A kind of three cylinder twin-stage positive displacement compressors | |
| CN103267017B (en) | There is the screw compressor of novel exhaust mouth structure and exhaust valve component | |
| US20060057009A1 (en) | Scroll compressor having vacuum preventing structure | |
| EP3719324A1 (en) | Compressor and air conditioner having same | |
| CN111963409A (en) | Air suction silencer | |
| KR101543660B1 (en) | Compressor and valve assembly for reducing pulsation thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant |