CN212867918U - Compressor structure and air conditioner with same - Google Patents
Compressor structure and air conditioner with same Download PDFInfo
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- CN212867918U CN212867918U CN202020968413.XU CN202020968413U CN212867918U CN 212867918 U CN212867918 U CN 212867918U CN 202020968413 U CN202020968413 U CN 202020968413U CN 212867918 U CN212867918 U CN 212867918U
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Abstract
The application provides a compressor structure, includes: a compression section including a first exhaust port; the compressor structure further includes: the valve comprises a valve plate, a valve plate limiting piece and an elastic piece; the valve plate cover is arranged on the first exhaust port; the valve plate limiting piece is arranged on the compression part and corresponds to the position of the valve plate; the elastic piece is arranged between the valve block limiting piece and the valve block; and/or, the compressor structure also includes the body, the compression part is set up in the body, the body includes the end cap; the end cover is provided with a second exhaust port; the inner surface of the end cover is provided with a noise reduction piece, and the elastic piece is arranged between the valve block limiting piece and the valve block; according to the compressor structure and the air conditioner with the same, low-frequency abnormal noise caused by the fact that the exhaust valve plate knocks the limiter is reduced; exhaust pulsation can be effectively reduced, and high-frequency noise is further reduced; the medium-high frequency noise is absorbed, the vibration caused by the air flow of the exhaust cavity is weakened, and the sound quality of the whole compressor is improved.
Description
Technical Field
The application belongs to the technical field of air conditioners, and particularly relates to a compressor structure and an air conditioner with the same.
Background
At present, scroll compressors can be divided into low back pressure scroll compressors and high back pressure scroll compressors according to different air suction modes of the scroll compressors. The high-back-pressure scroll compressor directly discharges high-pressure gas into the compressor shell, and the high-back-pressure scroll compressor has the advantages of large shell space and long exhaust path, and is more beneficial to implementation of different noise reduction technologies, so that the exhaust noise of the high-back-pressure scroll compressor is easier to control.
However, in the low-back-pressure scroll compressor, because the high-pressure gas is directly discharged from the outlet of the fixed scroll to the high-pressure cavity surrounded by the partition plate and the end cover, the space of the high-pressure cavity is limited, and the implementation of the noise reduction technology is limited.
Therefore, how to provide a compressor structure capable of effectively reducing the noise of the low-back-pressure scroll compressor and an air conditioner with the same becomes a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved by the present application is to provide a compressor structure and an air conditioner having the same, which can effectively reduce the noise of a low back pressure scroll compressor.
In order to solve the above problems, the present application provides a compressor structure including: a compression section including a first exhaust port;
the compressor structure further includes: the valve comprises a valve plate, a valve plate limiting piece and an elastic piece; the valve plate cover is arranged on the first exhaust port; the valve plate limiting piece is arranged on the compression part and corresponds to the position of the valve plate; the elastic piece is arranged between the valve block limiting piece and the valve block;
and/or, the compressor structure also includes the body, the compression part is set up in the body, the body includes the end cap; the end cover is provided with a second exhaust port; the inner surface of the end cover is provided with a noise reduction piece.
Preferably, the valve block limiting piece is a limiting cover, the limiting cover is covered outside the valve block, and the limiting cover is provided with an exhaust hole; the elastic piece is positioned in the limiting cover and arranged between the limiting cover and the valve plate.
Preferably, the elastic member is a spring;
and/or a plurality of first silencing holes are formed in the inner surface of the limiting cover;
and/or the position limiting cover is made of a first closed-cell foam material.
Preferably, the inner surface of the top of the limit cover is provided with an installation part, and the spring is installed on the installation part;
and/or the pitch of the spring is gradually reduced towards the direction far away from the valve plate;
and/or the maximum pitch of the spring is hi; the minimum pitch of the spring is hi + 1; wherein 0.1 is more than or equal to 1-hi +1/hi is more than or equal to 0.3;
and/or the first closed cell foam material is closed cell aluminum foam with the porosity of 40-65%.
Preferably, the mounting portion includes an annular mounting groove disposed circumferentially around the vent hole; the spring includes first spring, and first spring mounting is in annular mounting groove.
Preferably, the spring comprises a second spring; the mounting part comprises a plurality of circular mounting grooves; a plurality of circular mounting slots are circumferentially arranged around the exhaust hole; and a second spring is correspondingly arranged in each circular mounting groove.
Preferably, 1-hi +1/hi is 0.16.
Preferably, the noise reducer is made of a second closed cell foam material;
and/or, the noise reducer comprises a first surface; the first surface is in sealing connection with the inner surface of the end cap.
Preferably, the noise reducer comprises a second surface; the second surface is arranged opposite to the first surface; a second silencing hole is formed in the second surface;
and/or the second closed cell foam material is closed cell aluminum foam with the porosity of 65-90%.
Preferably, the noise reduction piece is provided with a noise reduction cavity.
Preferably, the noise reduction cavity comprises a third noise reduction hole and a resonant cavity which are communicated with each other; and/or the noise reduction cavity is a Helmholtz resonator.
Preferably, the lowest resonance frequency of the noise reduction cavity is f 0; the sound velocity of the gas flowing to the silencing cavity is c; the cross-sectional area of the third muffling hole is S; the depth of the third sound-absorbing hole is L; the aperture of the third muffling hole is d; the volume of the resonant cavity is V0; wherein the content of the first and second substances,
preferably, the compression portion further includes a fixed scroll; the compressor structure further includes a high and low pressure partition; the high-low pressure clapboard is arranged at the upper end of a fixed scroll of the scroll compressor and divides the compressor structure into a gas exhaust high-pressure cavity and a gas suction low-pressure cavity.
Preferably, the high-pressure and low-pressure partition plates are provided with oil guide parts; the oil guide part is used for guiding the refrigerant oil on the high-pressure and low-pressure partition plates to flow to the air suction low-pressure cavity.
Preferably, the oil guide part includes a mounting hole and a pressure reducing pipe; the mounting hole is formed in the high-low pressure partition plate and communicated with the exhaust high-pressure cavity and the suction low-pressure cavity; the pressure reducing pipe is arranged in the mounting hole.
Preferably, the high and low pressure baffles comprise a downwardly sloping region; the mounting hole is opened in the lowest department of downward sloping district.
According to still another aspect of the present application, there is provided an air conditioner including a compressor structure as described above.
According to the compressor structure and the air conditioner with the same, the elastic piece is arranged between the valve block limiting piece and the valve block; the valve plate can reciprocate in a small amplitude under the action of the spring, so that the impact of airflow pulsation is counteracted, and the effect of attenuating the airflow pulsation is achieved; the valve plate is buffered by the elastic piece, so that the valve plate is delayed or prevented from directly impacting the valve plate limiting piece, the low-frequency impact noise is reduced, and the low-frequency abnormal noise caused by the exhaust valve plate knocking the limiting piece is reduced; the noise reduction piece is arranged on the inner surface of the end cover, so that exhaust pulsation can be effectively reduced, and high-frequency noise is further reduced; the medium-high frequency noise is absorbed, the vibration caused by the air flow of the exhaust cavity is weakened, and the sound quality of the whole compressor is improved.
Drawings
Fig. 1 is a schematic structural view of a compressor structure according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a valve plate limiting member according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a valve plate retainer according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a valve plate limiting member according to an embodiment of the present application;
FIG. 5 is a cross-sectional view of a valve plate retainer according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a spring according to an embodiment of the present disclosure;
FIG. 7 is a schematic structural diagram of a noise reduction member according to an embodiment of the present application;
FIG. 8 is an enlarged view of A in FIG. 7;
fig. 9 is a schematic view of an installation structure of a compressor structure according to an embodiment of the present application.
The reference numerals are represented as:
1. a compression section; 11. a first exhaust port; 12. a fixed scroll; 2. an end cap; 21. a second exhaust port; 31. a valve plate; 32. a valve plate limiting piece; 321. an exhaust hole; 33. an elastic member; 4. a noise reduction member; 41. a noise reduction cavity; 411. a third muffling hole; 412. a resonant cavity; 51. an annular mounting groove; 52. a circular mounting groove; 6. a high and low pressure separator; 61. mounting holes; 7. a mounting seat; 8. a shock absorbing assembly.
Detailed Description
Referring collectively to fig. 1, in accordance with an embodiment of the present application, a compressor structure includes: a compression section 1, the compression section 1 including a first exhaust port 11;
the compressor structure further includes: a valve plate 31, a valve plate limiting member 32 and an elastic member 33; the valve plate 31 is covered on the first exhaust port 11; the valve plate limiting piece 32 is arranged on the compression part 1 and corresponds to the position of the valve plate 31; the elastic element 33 is disposed between the valve element limiting element 32 and the valve element 31;
and/or, the compressor structure also includes the body, the compression part 1 is set up in the body, the body includes the end cap 2; the end cover 2 is provided with a second exhaust port 21; the inner surface of the end cover 2 is provided with the noise reduction piece 4, and the elastic piece 33 is arranged between the valve block limiting piece 32 and the valve block 31; the valve plate 31 can reciprocate in a small amplitude under the action of the spring, so that the impact of airflow pulsation is counteracted, and the effect of attenuating the airflow pulsation is achieved; the valve plate 31 is delayed or prevented from directly impacting the valve plate limiting piece 32 through the buffering of the elastic piece 33, the low-frequency impact noise is reduced, and the low-frequency abnormal noise caused by the fact that the exhaust valve plate 31 impacts the limiter is reduced; the noise reduction piece 4 is arranged on the inner surface of the end cover 2, so that exhaust pulsation can be effectively reduced, and high-frequency noise is further reduced; the medium-high frequency noise is absorbed, the vibration caused by the air flow of the exhaust cavity is weakened, and the sound quality of the whole compressor is improved.
Further, the valve plate limiting piece 32 is a limiting cover, the limiting cover is covered outside the valve plate 31, and the limiting cover is provided with an exhaust hole 321; the elastic element 33 is located in the position-limiting cover and is arranged between the position-limiting cover and the valve plate 31.
Further, the elastic member 33 is a spring;
and/or a plurality of first silencing holes are formed in the inner surface of the limiting cover;
and/or the limiting cover is made of a first closed-cell foam material, the inner surface of the limiting cover is formed by machining, the closed cells of the foamed aluminum are cut to form a plurality of first silencing holes, and the plurality of micropores are similar to a plurality of Helmholtz resonators.
Furthermore, the inner surface of the top of the limiting cover is provided with an installation part, and the spring is installed on the installation part;
and/or the pitch of the spring is gradually reduced towards the direction far away from the valve plate 31, so that the exhaust pulsation can be effectively reduced.
Referring to fig. 6, the present application also discloses embodiments in which the maximum pitch of the spring is hi; the minimum pitch of the spring is hi + 1; wherein 0.1 is more than or equal to 1-hi + 1/hi is more than or equal to 0.3;
and/or the first closed cell foam material is closed cell aluminum foam with the porosity of 40-65%.
2-3, the present application also discloses embodiments in which the mounting portion includes an annular mounting groove 51 disposed circumferentially about the exhaust aperture 321; the spring comprises a first spring mounted in the annular mounting groove 51.
2-3, the present application further discloses embodiments wherein the spring comprises a second spring; the mounting portion includes a plurality of circular mounting slots 52; a plurality of circular mounting grooves 52 are circumferentially arranged around the discharge hole 321; a second spring is correspondingly installed in each circular installation groove 52.
Further, 1-hi + 1/hi is 0.16.
Further, the noise reducer 4 is made of a second closed cell foam material;
and/or, the noise reducer 4 comprises a first surface; the first surface is in sealing connection with the inner surface of the end cap 2.
Further, the noise reducer 4 comprises a second surface; the second surface is arranged opposite to the first surface; a second silencing hole is formed in the second surface;
and/or, the second obturator expanded material is 65% ~ 90% obturator foamed aluminum of porosity, because porosity is great, and is very little to compressor complete machine weight influence, the shaping of second surface accessible machine tooling, the machining surface has a large amount of micropores promptly this application the second bloop, when the second gas vent 21 on the exhaust hole 321 flow direction end cover 2 that high-speed air current passes through valve block locating part 32, the air current is when being fixed in the 4 surfaces of the noise reduction spare of the internal surface of end cover 2, based on helmholtz resonance noise elimination principle, realizes further making an uproar.
Further, a noise reduction cavity 41 is provided on the noise reduction piece 4.
7-8, the present application further discloses embodiments wherein the noise reduction chamber 41 comprises a third noise reduction port 411 and a resonant chamber 412 in communication with each other; and/or noise reduction cavity 41 is a helmholtz resonator, noise reduction members 4 may be disposed to cover the entire inner surface of end cap 2 as a whole, or may be disposed to cover a portion of the inner surface of end cap 2 as multiple units. The Helmholtz resonator arrangement mode can be an equilateral triangle arrangement mode, a square arrangement mode, a radiation type arrangement mode and other structural modes. The Helmholtz resonators may have the same damping structure with the same resonance frequency or different damping structures with different resonance frequencies.
Further, the lowest resonance frequency of the noise reduction cavity 41 is f 0; the sound velocity of the gas flowing to the silencing cavity is c; the cross-sectional area of the third muffling hole 411 is S; the depth of the third muffling hole 411 is L; the aperture of the third muffling hole 411 is d; resonant cavity 412 has a volume V0; wherein the content of the first and second substances,
further, the compression portion 1 further includes a fixed scroll 12; the compressor structure also comprises a high-low pressure partition 6; a high and low pressure baffle 6 is provided at the upper end of the fixed scroll 12 of the scroll compressor to separate the compressor structure into a discharge high pressure chamber and a suction low pressure chamber. When high-speed airflow enters a high-pressure cavity formed by the end cover 2 and the high-low pressure partition plate through the exhaust holes 321 of the valve sheet limiting piece 32, and the airflow passes through the surface of the noise reduction piece 4 fixed on the inner surface of the end cover 2, further noise reduction is realized based on the Helmholtz resonance noise elimination principle.
Further, the high-low pressure partition 6 is provided with an oil guide part; the oil guide part is used for guiding the refrigerant oil on the high-pressure and low-pressure partition plate 6 to flow to the air suction low-pressure cavity.
Further, the oil guide portion includes a mounting hole 61 and a pressure reducing pipe; the mounting hole 61 is arranged on the high-low pressure clapboard 6 and is communicated with the exhaust high-pressure cavity and the suction low-pressure cavity; the pressure reducing pipe is arranged in the mounting hole; because a large number of micropores, namely second silencing holes, exist on the surface of the noise reduction piece 4, the contact surface area of the refrigeration oil is increased, so that the refrigeration oil is easier to deposit in a high-pressure cavity formed by the end cover 2 and the high-low pressure partition plate, flows onto the high-low pressure partition plate 6 and flows into the low-pressure cavity through the mounting hole 61; and then improve the high oil yield problem that leads to because of the high-speed refrigerant flows, adopt the pressure reducing pipe can prevent that high low pressure chamber from mixing gas.
Further, the pressure reducing pipe can be a capillary pipe, the pressure is reduced through the capillary pipe, and the high-pressure refrigeration oil accumulated on the surface of the noise reduction piece 4 and settled on the surface of the high-pressure and low-pressure partition plate is reduced in pressure and then is guided into the low-pressure cavity.
Further, the high-low pressure partition 6 comprises a downward sloping zone; the mounting hole 61 is opened at the lowest portion of the downward inclined area.
Referring to fig. 9 in combination, the present application further discloses some embodiments, the compressor structure further includes an installation base 7, the installation base 7, a valve plate 31, a spring, a valve plate limiting member 32 and a damping assembly 8, the valve plate 31 is directly placed on the installation base 7, a hole is formed in the installation base 7 and used for discharging gas discharged from the fixed scroll 12, one end of the spring is placed on an installation portion of the valve plate limiting member 32, the other end of the spring is directly contacted with the valve plate 31, the valve plate limiting member 32 is fastened on the installation base 7 through a screw, the valve plate limiting member 32 is buffered through the spring, so that direct impact of the valve plate 31 on the valve plate limiting member 32 is delayed or avoided; the valve plate 31 is in a circular ring structure, and the cylinder exhaust flows out through the opening of the mounting seat 7, then the circular ring valve plate 31 is flushed, flows through the valve plate 31 through the central through hole of the valve plate 31, and is exhausted through the exhaust hole 321 on the valve plate limiting piece 32; the contact surface of the limiting cover and the mounting seat 7 needs to be smooth so as to maintain the sealing performance or be sealed by an annular sealing ring.
According to an embodiment of the application, the air conditioner comprises a compressor structure, and the compressor structure is the compressor structure.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (17)
1. A compressor structure, comprising: a compression section (1), the compression section (1) comprising a first exhaust port (11);
the compressor structure further includes: the valve plate (31), the valve plate limiting piece (32) and the elastic piece (33); the valve plate (31) is arranged on the first exhaust port (11) in a covering mode; the valve plate limiting piece (32) is arranged on the compression part (1) and corresponds to the position of the valve plate (31); the elastic piece (33) is arranged between the valve block limiting piece (32) and the valve block (31);
and/or the compressor structure further comprises a shell, the compression part (1) is arranged in the shell, and the shell comprises an end cover (2); a second exhaust port (21) is formed in the end cover (2); the inner surface of the end cover (2) is provided with a noise reduction piece (4).
2. The compressor structure according to claim 1, wherein the valve plate limiting member (32) is a limiting cover, the limiting cover is disposed outside the valve plate (31), and the limiting cover is provided with an exhaust hole (321); the elastic piece (33) is located in the limiting cover and arranged between the limiting cover and the valve plate (31).
3. Compressor structure according to claim 2, characterized in that said elastic member (33) is a spring;
and/or a plurality of first silencing holes are formed in the inner surface of the limiting cover;
and/or the position limiting cover is made of a first closed-cell foam material.
4. The compressor structure according to claim 3, wherein an inner surface of the top of the position-restricting cover is provided with a mounting portion on which the spring is mounted;
and/or the pitch of the spring is gradually reduced towards the direction far away from the valve plate (31);
and/or the maximum pitch of the spring is hi(ii) a The minimum pitch of the spring is hi+1(ii) a Wherein 0.1 is less than or equal to 1-hi+1/hi≤0.3；
And/or the first closed-cell foam material is closed-cell aluminum foam with the porosity of 40-65%.
5. The compressor structure of claim 4, wherein the mounting portion includes an annular mounting groove (51) disposed circumferentially around the discharge hole (321); the spring comprises a first spring which is arranged in the annular mounting groove (51).
6. The compressor structure of claim 4, wherein the spring comprises a second spring; the mounting portion includes a plurality of circular mounting slots (52); a plurality of the circular mounting grooves (52) are circumferentially arranged around the exhaust hole (321); the second spring is correspondingly installed in each circular installation groove (52).
7. Compressor structure according to claim 4, characterized in that 1-hi+1/hi＝0.16。
8. Compressor structure according to claim 1, characterized in that the noise dampening member (4) is made of a second closed cell foam material;
and/or the noise reducer (4) comprises a first surface; the first surface is in sealing connection with the inner surface of the end cap (2).
9. Compressor structure according to claim 8, characterized in that the noise reducing element (4) comprises a second surface; the second surface is arranged opposite to the first surface; a second silencing hole is formed in the second surface;
and/or the second closed-cell foam material is closed-cell aluminum foam with the porosity of 65-90%.
10. Compressor structure according to claim 9, characterized in that the noise reducing members (4) are provided with noise reducing cavities (41).
11. Compressor structure according to claim 10, characterized in that said noise reducing chamber (41) comprises a third noise reducing chamber (411) and a resonance chamber (412) communicating with each other; and/or the noise reduction cavity (41) is a Helmholtz resonator.
12. Compressor structure according to claim 11, characterized in that the lowest resonance frequency of the noise reducing chamber (41) is f0(ii) a The sound velocity of the gas flowing to the noise reduction cavity is c; the cross-sectional area of the third sound-absorbing hole (411) is S; the depth of the third sound-absorbing hole (411) is L; the aperture of the third sound-absorbing hole (411) is d; the volume of the resonance cavity (412) is V0(ii) a Wherein the content of the first and second substances,
13. the compressor structure as claimed in claim 1, wherein the compression portion (1) further comprises a fixed scroll (12); the compressor structure further comprises a high-low pressure partition plate (6); the high-low pressure partition plate (6) is arranged at the upper end of a fixed scroll (12) of the scroll compressor and divides the compressor structure into an exhaust high-pressure cavity and an air suction low-pressure cavity.
14. Compressor structure according to claim 13, characterized in that the high-low pressure partition (6) is provided with oil guides; the oil guide part is used for guiding the refrigerating oil on the high-low pressure partition plate to flow to the air suction low pressure cavity.
15. The compressor structure as claimed in claim 14, wherein the oil guide portion includes a mounting hole (61) and a pressure reducing pipe; the mounting hole (61) is formed in the high-low pressure partition plate (6) and is communicated with the exhaust high-pressure cavity and the suction low-pressure cavity; the pressure reducing pipe is installed in the installation hole (61).
16. Compressor structure according to claim 15, characterized in that said high-low pressure partition (6) comprises a downward sloping zone; the mounting hole (61) is arranged at the lowest part of the downward inclined area.
17. An air conditioner comprising a compressor structure, wherein said compressor structure is as claimed in any one of claims 1 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020968413.XU CN212867918U (en) | 2020-06-01 | 2020-06-01 | Compressor structure and air conditioner with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020968413.XU CN212867918U (en) | 2020-06-01 | 2020-06-01 | Compressor structure and air conditioner with same |
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| Publication Number | Publication Date |
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| CN212867918U true CN212867918U (en) | 2021-04-02 |
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| CN202020968413.XU Active CN212867918U (en) | 2020-06-01 | 2020-06-01 | Compressor structure and air conditioner with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754177A (en) * | 2022-04-07 | 2022-07-15 | 大连大学 | Exhaust check valve for variable frequency scroll compressor |
-
2020
- 2020-06-01 CN CN202020968413.XU patent/CN212867918U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114754177A (en) * | 2022-04-07 | 2022-07-15 | 大连大学 | Exhaust check valve for variable frequency scroll compressor |
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