CN203717292U - Piston compressor and cylinder suction port assembly thereof - Google Patents
Piston compressor and cylinder suction port assembly thereof Download PDFInfo
- Publication number
- CN203717292U CN203717292U CN201320690876.4U CN201320690876U CN203717292U CN 203717292 U CN203717292 U CN 203717292U CN 201320690876 U CN201320690876 U CN 201320690876U CN 203717292 U CN203717292 U CN 203717292U
- Authority
- CN
- China
- Prior art keywords
- suction port
- piston compressor
- suction
- cylinder
- port assembly
- 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.)
- Expired - Fee Related
Links
- 230000006698 induction Effects 0.000 claims description 19
- 239000003507 refrigerant Substances 0.000 abstract description 42
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 description 6
- 230000003584 silencer Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 238000004880 explosion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses a suction port assembly of a piston compressor cylinder. The suction port assembly comprises a suction port communicated with the piston compressor cylinder, and further comprises a gas buffering chamber communicated with the suction port. Due to the arrangement of the gas buffering chamber communicated with the suction port, when refrigerant gas reaches the suction port, a part of the refrigerant gas flows to the gas buffering chamber communicated with the suction port and the refrigerant gas subjected to buffering returns along an original path; the speed of the refrigerant gas returning from the gas buffering chamber is obviously lower than that of the unbuffered refrigerant gas, so that after the refrigerant gas returning from the gas buffering chamber is mixed with the refrigerant gas entering the cylinder, the speed of the refrigerant gas passing by the suction port can be obviously reduced, while after the speed of the refrigerant gas is reduced, noises passing by the suction port can be obviously reduced and thus the noises of a compressor are controlled within a standard range. The utility model further discloses a piston compressor with the suction port assembly.
Description
Technical Field
The utility model relates to a compressor preparation technical field, more specifically say, relate to a piston compressor and induction port assembly of cylinder thereof.
Background
The compressor, called the heart of the refrigeration machine, and the term most commonly used to characterize the compressor is "vapor pump", the compressor actually plays the role in the refrigeration machine of raising the pressure of the refrigerant gas flowing from the evaporator to a suction pressure state and raising the pressure of the refrigerant from a suction pressure state to a discharge pressure state.
With the improvement of living standard of people, the noise generated by the compressor is concerned more and more, and the reduction of the noise generated by the compressor in the working process is also a problem that the compressor needs to pay attention in the production process. The noise of the piston compressor includes motor noise and air suction and exhaust noise, the air suction and exhaust noise is the main source of the noise of the piston compressor, and the air suction noise occupies most proportion of the air suction and exhaust noise, so that the air suction noise of the piston compressor is the main way to reduce the noise of the piston compressor.
At present, the piston compressor mainly reduces noise by arranging an air suction silencer on an air suction channel, gas enters the air suction silencer through a pipeline connected with an evaporator, and the gas directly enters a compressor cylinder through an air suction port communicated with the compressor cylinder after being silenced by the air suction silencer. Although the suction muffler is connected in series on the suction channel to reduce the suction noise to a certain extent, when the refrigerant gas enters the compressor cylinder through the suction port, the flow speed of the gas towards the inside of the compressor cylinder is high, so that the noise of the gas flowing through the suction port is still high, and the noise of the compressor is possibly overproof in serious cases.
Therefore, how to further reduce the noise of the piston compressor during operation is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, an object of the present invention is to provide an air suction port assembly of a piston compressor cylinder, so as to reduce noise of refrigerant gas when passing through the air suction port, thereby reducing noise of the compressor.
Another object of the present invention is to provide a piston compressor having the above air suction port assembly.
In order to achieve the above object, the utility model provides a following technical scheme:
the air suction port assembly of the piston compressor cylinder comprises an air suction port communicated with the piston compressor cylinder, and the air suction port assembly further comprises an air buffer cavity communicated with the air suction port.
Preferably, in the above air suction port assembly, the gas buffer chamber communicates with the air suction port through a bypass branch, and a cross-sectional flow area of the bypass branch is smaller than a cross-sectional area of the gas buffer chamber.
Preferably, in the above suction port assembly, the gas buffer chamber is a cylindrical chamber.
Preferably, in the above air suction port assembly, the air suction port is a special-shaped port, and the air suction port is formed by connecting a lower section circular arc section and an upper section wave-shaped curve section end to end.
Preferably, in the above air suction port assembly, the natural frequency of the gas buffer chamber is identical to the center frequency of the peak frequency band noise of the piston compressor.
Preferably, in the above-described suction port assembly, a plurality of gas buffer chambers are provided in communication with the suction port.
The utility model also provides a piston compressor, this piston compressor include the suction side, the suction side includes cylinder block, suction valve block gasket, suction valve block, valve plate and cylinder head from inside to outside in proper order, just the suction side be provided with can with the communicating induction port assembly of piston compressor cylinder, just the induction port assembly be as above arbitrary one the induction port assembly.
Preferably, in the above piston compressor, the suction port in the suction port assembly is opened in the valve plate, the gas cushion chamber passes through the valve plate, the suction valve plate and the suction valve plate gasket, and two ends of the gas cushion chamber are respectively cut off in the cylinder head and the cylinder block.
Preferably, the piston compressor further includes a suction muffler provided at a front end of the suction port and communicating with the suction port.
According to the above technical solution, the utility model provides an among piston compressor's the induction port assembly, include with the communicating induction port of piston compressor cylinder to still include the gas cushion chamber with the induction port intercommunication.
The refrigerant gas returning from the gas buffer chamber has a speed which is obviously reduced relative to the refrigerant gas which is not buffered, so the speed of the refrigerant gas passing through the air suction port can be obviously reduced after the refrigerant gas is mixed with the refrigerant gas entering the cylinder, and the noise when the refrigerant gas passes through the air suction port can be obviously reduced after the speed of the refrigerant gas is reduced.
Therefore, the utility model provides a piston compressor cylinder's induction port assembly can effectively reduce the noise of refrigerant gas when the induction port to make the produced noise of whole compressor obviously reduce, control the noise of compressor in standard range.
The utility model also discloses a compressor, this compressor include the suction side, and the suction side includes cylinder block, suction valve block gasket, suction valve block, valve plate and cylinder head from inside to outside in proper order, and the suction side be provided with can with the communicating induction port assembly of piston compressor cylinder to the induction port assembly becomes above-mentioned induction port assembly.
Because the above-mentioned induction port assembly has above-mentioned technological effect, consequently the compressor that has this kind of induction port assembly also has same technological effect, no longer gives unnecessary details in this application document.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic diagram of a partial explosion of a suction side of a compressor provided in an embodiment of the present invention;
fig. 2 is a schematic front view of a compressor provided in an embodiment of the present invention, with a cylinder head removed from a suction side of the compressor.
Wherein,
the air cylinder comprises a cylinder seat 1, an air suction valve plate gasket 2, an air suction valve plate 3, a valve plate 4, a cylinder cover 5, a bypass branch 6, an air suction port 7, an air suction silencer 8, an air inlet 9 and an air buffer cavity 10.
Detailed Description
The core of the utility model is to provide an induction port assembly of piston compressor cylinder to reduce the noise of refrigerant gas when the induction port, thereby reduce the noise of compressor.
Another core of the present invention is to provide a compressor having the above air suction port assembly.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic diagram of a partial explosion of a suction side of a compressor provided in an embodiment of the present invention, and fig. 2 is a schematic diagram of a front view of the suction side of the compressor provided in the embodiment of the present invention with a cylinder head removed.
The suction port assembly provided in the present embodiment specifically includes a suction port 7 communicated with the cylinder of the piston compressor, and a gas buffer chamber 10 connected to the suction port 7 and used for buffering refrigerant gas.
Because the gas buffer chamber 10 communicated with the suction port 7 is arranged, when the refrigerant gas reaches the position of the suction port 7, a part of the refrigerant gas flows to the gas buffer chamber 10 communicated with the suction port 7, the gas is buffered and then returns, and is mixed with the gas sucked into the cylinder from the suction port 7 in the returning process, because the speed of the refrigerant gas returned from the gas buffer chamber 10 is obviously reduced relative to the non-buffered refrigerant gas, the speed of the refrigerant gas passing through the suction port 7 can be obviously reduced after the refrigerant gas is mixed with the refrigerant gas entering the cylinder, and the noise when the refrigerant gas passes through the suction port 7 is obviously reduced after the speed of the refrigerant gas is reduced.
Therefore, the air suction port assembly of the piston compressor cylinder provided by the embodiment can effectively reduce the noise of the refrigerant gas when the refrigerant gas passes through the air suction port 7, so that the noise generated by the whole compressor is obviously reduced, and the noise of the compressor is controlled within a standard range.
In order to further optimize the technical solution in the above embodiment, the gas buffer chamber 10 in this embodiment is specifically communicated with the suction port 7 through the bypass branch 6, and the cross-sectional flow area of the bypass branch 6 should be smaller than the cross-sectional area of the gas buffer chamber 10, so that the refrigerant gas entering the gas buffer chamber 10 cannot return along the original path quickly, but can return from the bypass branch 6 with a smaller cross-sectional area after sufficient vortex buffering in the gas buffer chamber 10, so that the velocity of the refrigerant gas flowing out of the gas buffer chamber 10 is reduced as low as possible, and since the cross-sectional flow area of the bypass branch 6 is smaller than the cross-sectional area of the gas buffer chamber 10, the bypass branch 6 may also be referred to as "neck".
In the actual production process, according to the size of the whole volume of the compressor, a more reasonable neck portion is generally designed firstly, for the convenience of processing, the neck portion is generally designed to be a round hole with a smaller diameter, as shown in fig. 2, in order to further reduce the sound energy of noise, the gas buffer cavity 10 in the embodiment is preferably set to be a gas buffer cavity with a natural frequency (resonance frequency) consistent with the center frequency of the peak frequency band noise of the compressor, so that the gas buffer cavity 10 has the function of a resonant cavity at the same time.
The design formula of the resonant cavity is as followsWherein f isrIs resonant cavity resonant frequencyRate; c is the propagation speed of the sound wave in the refrigerant of the piston compressor; v represents the resonant cavity volume; s represents the cross-sectional area of the neck; d represents the neck diameter; l denotes the neck length, and since a reasonable neck size has been determined, the volume of the gas cushion chamber 10 can be calculated according to this formula.
After the refrigerant gas enters the gas buffer cavity 10, the natural frequency of the gas buffer cavity 10 is consistent with the center frequency of the peak frequency band noise of the compressor, so that resonance is generated, and the refrigerant gas in the resonance cavity consumes a large amount of sound energy due to the resonance, so that the sound energy of the refrigerant gas passing through the gas buffer cavity 10 is reduced, and the noise reduction effect is further achieved.
The shape of the gas buffer chamber 10 can be selected from various shapes, such as a cylinder, a sphere, a cube, etc., and for the convenience of processing, the gas buffer chamber 10 provided in this embodiment has a cylindrical shape, and more preferably, the axial direction of the cylindrical gas buffer chamber coincides with the reciprocating direction of the compressor piston.
In order to further optimize the technical solution in the above embodiment, in the air suction port assembly of the compressor cylinder provided in this embodiment, the shape of the air suction port 7 is a special-shaped port, as shown in fig. 2, and the special-shaped port is formed by connecting a lower section arc segment and an upper section wave-shaped curve segment end to end, and the air suction port 7 in this shape can effectively increase the flow area of the air suction port 7, reduce the intake resistance, and further reduce the intake noise.
Of course, under the condition that the structural strength meets the requirement, a plurality of gas buffer cavities 10 can be arranged, and the plurality of gas buffer cavities 10 are communicated with the gas suction port 7, so that the noise reduction effect of the gas suction port assembly of the piston compressor cylinder is more obvious.
The embodiment of the utility model provides an in still disclose a piston compressor, this piston compressor includes the side of breathing in, and wherein the side of breathing in has inside to outside in proper order including cylinder block 1, suction valve block gasket 2, suction valve block 3, valve plate 4 and cylinder head 5, as shown in figure 1 to the side of breathing in of this compressor is provided with as above the suction port assembly.
Since the compressor includes the above-mentioned air suction port assembly, the compressor has all the technical effects of the above-mentioned air suction port assembly, and is not described herein again.
It should be noted that "from inside to outside" in the above embodiments refers to the side close to the cylinder of the piston compressor.
Referring to fig. 1, an air suction port 7 in the air suction port assembly is disposed on a valve plate 4, a through hole is disposed on the valve plate 4 near the air suction port 7, and through holes corresponding to the through holes on the valve plate 4 are also disposed on an air suction valve plate 3 and an air suction valve plate gasket 2, after the assembly of the air suction side is completed, the air suction valve plate gasket 2, the air suction valve plate 3 and the through holes on the valve plate 4 form a cavity portion of an air buffer chamber 10, and a cylinder block 1 and a cylinder head 5 form two end portions of the air buffer chamber 10, so that the air buffer chamber 10 penetrates the valve plate 4, the air suction valve plate 3 and the air suction valve plate gasket 2, two ends of the air buffer chamber 10 are respectively stopped at the cylinder head 5 and the cylinder block 1, and the air buffer chamber 10 is communicated with the air suction port 7.
In order to further improve the noise reduction effect of the compressor, in the present embodiment, a suction muffler 8 communicating with the suction port 7 is further provided at the front end of the suction port 7, and as shown in fig. 1, the lower end of the suction muffler 8 is provided with an inlet 9 for connecting with a refrigerant gas circuit.
The refrigerant gas after the suction muffler 8 is added is firstly subjected to primary noise reduction through the suction muffler 8, then is subjected to secondary noise reduction through the gas buffer cavity 10 when flowing to the position of the suction port 7, and finally is transmitted into the cylinder of the piston compressor, and is subjected to radiation noise reduction through the shell of the piston compressor, so that the compressor with the suction muffler 8 and the gas buffer cavity 10 can effectively reduce suction noise.
The compressor in the above embodiments can be used in various refrigeration machines, such as refrigerators, air conditioners, etc., and this is not specifically described herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides an induction port assembly of piston compressor cylinder, includes with communicating induction port (7) of piston compressor cylinder, its characterized in that, still include with gas cushion chamber (10) of induction port (7) intercommunication, just the natural frequency of gas cushion chamber (10) is unanimous with the central frequency at piston compressor peak value frequency channel noise place.
2. Suction port assembly of a piston compressor cylinder according to claim 1, characterised in that the gas cushion chamber (10) communicates with the suction port (7) through a bypass branch (6), and the cross-sectional flow area of the bypass branch (6) is smaller than the cross-sectional area of the gas cushion chamber (10).
3. Suction port assembly of a piston compressor cylinder according to claim 1, characterised in that the gas cushion chamber (10) is a cylindrical cavity.
4. The suction port assembly of the piston compressor cylinder as claimed in claim 1, wherein said suction port (7) is a shaped port, and said suction port (7) is formed by connecting a lower circular arc section and an upper wavy curve section end to end.
5. Suction port assembly of a piston compressor cylinder according to any of claims 1-4, characterised in that there are several gas buffer chambers (10) communicating with the suction port (7).
6. Piston compressor, comprising a suction side, the suction side comprises a cylinder block (1), a suction valve plate gasket (2), a suction valve plate (3), a valve plate (4) and a cylinder cover (5) from inside to outside in sequence, and the suction side is provided with a suction port assembly which can be communicated with the cylinder of the piston compressor, characterized in that the suction port assembly is the suction port assembly according to any one of claims 1-5.
7. The piston compressor as claimed in claim 6, wherein the suction port (7) in the suction port assembly is opened on the valve plate (4), and the gas cushion chamber (10) penetrates through the valve plate (4), the suction valve plate (3) and the suction valve plate gasket (2), and both ends of the gas cushion chamber (10) are respectively stopped on the cylinder head (5) and the cylinder block (1).
8. The reciprocating compressor of claim 7, further comprising a suction muffler (8) provided at a front end of the suction port (7) and communicating with the suction port (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690876.4U CN203717292U (en) | 2013-11-04 | 2013-11-04 | Piston compressor and cylinder suction port assembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320690876.4U CN203717292U (en) | 2013-11-04 | 2013-11-04 | Piston compressor and cylinder suction port assembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717292U true CN203717292U (en) | 2014-07-16 |
Family
ID=51156452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320690876.4U Expired - Fee Related CN203717292U (en) | 2013-11-04 | 2013-11-04 | Piston compressor and cylinder suction port assembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717292U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604916A (en) * | 2016-02-21 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor valve plate and compressor valve assembly |
| CN106837744A (en) * | 2017-02-28 | 2017-06-13 | 芜湖欧宝机电有限公司 | Noise reduction oil removing subtracts miscellaneous silencer and compressor pump and its compressor |
| CN110410296A (en) * | 2019-08-14 | 2019-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigeration equipment with it |
| WO2023155329A1 (en) * | 2022-02-18 | 2023-08-24 | 安徽美芝制冷设备有限公司 | Compression cylinder, compressor, and refrigeration device |
-
2013
- 2013-11-04 CN CN201320690876.4U patent/CN203717292U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105604916A (en) * | 2016-02-21 | 2016-05-25 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor valve plate and compressor valve assembly |
| CN105604916B (en) * | 2016-02-21 | 2018-08-03 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor valve board and compressor valve component |
| CN106837744A (en) * | 2017-02-28 | 2017-06-13 | 芜湖欧宝机电有限公司 | Noise reduction oil removing subtracts miscellaneous silencer and compressor pump and its compressor |
| CN110410296A (en) * | 2019-08-14 | 2019-11-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Compressor and refrigeration equipment with it |
| WO2023155329A1 (en) * | 2022-02-18 | 2023-08-24 | 安徽美芝制冷设备有限公司 | Compression cylinder, compressor, and refrigeration device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108915997B (en) | Muffler, compressor assembly and refrigerator | |
| CN203717292U (en) | Piston compressor and cylinder suction port assembly thereof | |
| CN108343590B (en) | Exhaust silencer structure of compressor | |
| CN113357129B (en) | Exhaust noise reduction structure, compressor and refrigeration equipment | |
| CN110067733A (en) | A kind of noise elimination structure and its sound reduction method of compressor | |
| CN208396940U (en) | Flange, amortization structure and compressor | |
| CN202746148U (en) | Suction muffler of refrigeration compressor | |
| CN203584729U (en) | Helmholtz type silencer | |
| CN204113389U (en) | A kind of admission air silencer that effectively can reduce medium-high frequency, wideband induction noise | |
| CN206320013U (en) | A kind of full-sealed reciprocating compressor cylinder block | |
| CN213743896U (en) | Multistage expansion exhaust muffler and compressor | |
| CN105673449B (en) | A kind of noise-reduction energy-saving piston compressor | |
| CN211370732U (en) | Double-cylinder air pressure pump body and double-cylinder compressor | |
| CN211343260U (en) | Porous structure air suction flow channel silencing cavity | |
| CN104675676B (en) | A kind of air suction structure of refrigeration compressor | |
| CN210118237U (en) | Noise elimination structure of compressor | |
| CN107605729B (en) | Pump body assembly and compressor | |
| CN213743898U (en) | Suction muffler with honeycomb hole structure and compressor | |
| CN106451901B (en) | Motor rotor subassembly, compressor and air conditioner | |
| CN215805019U (en) | Silencer, compressor and household appliance | |
| CN212928201U (en) | Silencer, compressor and electrical equipment | |
| CN205618238U (en) | Silencer, engine and engineering machinery equipment | |
| CN110374841A (en) | A kind of air suction silencer with taper suction line structure | |
| CN211314349U (en) | Exhaust silencing element and engine | |
| CN202732346U (en) | Compressor and air conditioner |
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: 20140716 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |