CN101070831A - Hermetic compressor - Google Patents
Hermetic compressor Download PDFInfo
- Publication number
- CN101070831A CN101070831A CNA2007100982077A CN200710098207A CN101070831A CN 101070831 A CN101070831 A CN 101070831A CN A2007100982077 A CNA2007100982077 A CN A2007100982077A CN 200710098207 A CN200710098207 A CN 200710098207A CN 101070831 A CN101070831 A CN 101070831A
- Authority
- CN
- China
- Prior art keywords
- chamber
- depression
- hermetic compressor
- resonant chamber
- resonant
- 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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims description 34
- 238000005057 refrigeration Methods 0.000 claims description 23
- 238000005219 brazing Methods 0.000 claims description 5
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 239000003507 refrigerant Substances 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 description 20
- 230000003584 silencer Effects 0.000 description 18
- 210000000635 valve cell Anatomy 0.000 description 4
- 230000010349 pulsation Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 239000012595 freezing medium Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0061—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0066—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using sidebranch resonators, e.g. Helmholtz resonators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/125—Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/14—Provisions for readily assembling or disassembling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Abstract
Disclosed is a hermetic compressor capable of reducing the number of parts and increasing working efficiency in the assembling process. The hermetic compressor includes a cylinder block having a compression chamber, and an assembly having a main body that includes an intake hole through which a refrigerant is drawn into the compression chamber and an exhaust hole through which the refrigerant is exhausted from the compression chamber and is coupled to one side of the cylinder block, and a cover that is coupled with the main body and includes a first resonant chamber communicating with the intake hole and a second resonant chamber communicating with the exhaust hole.
Description
Technical field
Present invention relates in general to a kind of hermetic compressor, more particularly, the present invention relates to the hermetic compressor that a kind of intake silencer and exhaust silencer and cylinder head form.
Background technique
Hermetic compressor is formed for the part of the refrigeration cycle of refrigerator or air-conditioning etc.This hermetic compressor comprises the closed shell that forms outward appearance, is used at the compression unit of closed shell compressed refrigerant and the driver element that driving force is provided for compression unit.
In these assemblies, compression unit comprises: cylinder block forms pressing chamber; Piston, reciprocating while compressed refrigerant in pressing chamber; Cylinder head, a side that is attached to cylinder block be so that pressing chamber is airtight, and have suction chamber and the exhaust chamber that separates each other; Valve cell between cylinder block and head, and is regulated flowing of refrigeration agent, and described refrigeration agent is inhaled into the pressing chamber or from pressing chamber from suction chamber and is discharged into the exhaust chamber.
Under this structure, if driver element is driven, then piston to-and-fro motion in pressing chamber.Thereby refrigeration agent enters into the suction chamber of cylinder head by suction tude from the closed shell outside, is transported in the pressing chamber then, and is compressed in the pressing chamber.Compressed refrigeration agent is discharged in the exhaust chamber of cylinder head in pressing chamber, then by the outside of emission by exhaust pipe to closed shell.
Be inhaled into pressing chamber and produce vibrations and noise because the pulsation (pulsation) that intake operation that is interrupted and bleeding cause makes from the refrigeration agent that pressing chamber is discharged.In order to reduce these vibrations and noise, cylinder head combines with intake silencer and exhaust silencer, and intake silencer communicates with suction chamber, and exhaust silencer communicates with exhaust chamber.
Yet in traditional hermetic compressor, intake silencer is made with cylinder head mutually independently with exhaust silencer, and communicates with suction chamber and exhaust chamber by connecting tube respectively.
In this manner, because intake silencer is made with cylinder head mutually independently with exhaust silencer,,, need many job steps thereby make these parts as connecting tube so need independent parts.
In addition, intake silencer and exhaust silencer are assembled together by many installation step and cylinder head, thereby have reduced working efficiency.
Summary of the invention
Therefore, the present invention is proposed to solve the problems referred to above that occur in the prior art, the object of the present invention is to provide a kind of hermetic compressor, in this hermetic compressor, intake silencer and exhaust silencer and cylinder head are made integratedly, thereby reduced the number of parts, improved the working efficiency in the assembly process, and finally saved cost of production.
In order to realize this purpose, according to an aspect of the present invention, provide a kind of hermetic compressor, comprise a kind of hermetic compressor, comprising: cylinder block has pressing chamber; Assembly, have main body and lid, and body junction is incorporated into a side of cylinder block, main body comprises inlet hole and air outlet hole, refrigeration agent is inhaled in the pressing chamber by inlet hole, and refrigeration agent is discharged from pressing chamber by exhaust port, and lid combines with main body and comprises first resonant chamber and second resonant chamber, first resonant chamber communicates with inlet hole, and second resonant chamber communicates with exhaust port.
Here, main body also can comprise planar section, first depression and second depression with described inlet hole and described exhaust port, first depression is from the recessed predetermined depth of planar section and form the part of first resonant chamber, and second depression is from the recessed predetermined depth of planar section and form the part of second resonant chamber.Lid can comprise the 3rd depression and the 4th depression, the 3rd depression has the suction chamber that communicates with described inlet hole and forms first resonant chamber with first depression, and the 4th depression has the exhaust chamber that communicates with described exhaust port and forms second resonant chamber with second depression.
In addition, lid also can comprise first connecting passage and second connecting passage, and first connecting passage connects the suction chamber and first resonant chamber, and second connecting passage connects the exhaust chamber and second resonant chamber.
In addition, lid also can be included in the isolated part of isolating between the 3rd depression and the 4th depression.
In addition, with respect to the axis of pressing chamber, first resonant chamber and second resonant chamber can be disposed in the same side.
In addition, main body and lid can interosculate by brazing.
Description of drawings
By the detailed description of carrying out below in conjunction with accompanying drawing, above and other purpose of the present invention, characteristics and advantage will be clearer, wherein:
Fig. 1 is the sectional view that illustrates according to the hermetic compressor of the embodiment of the invention;
Fig. 2 is the perspective exploded view that the hermetic compressor among Fig. 1 is shown;
Fig. 3 is the back perspective view that the lid of the assembly among Fig. 2 is shown.
Embodiment
Below, exemplary embodiment of the present invention is described with reference to the accompanying drawings.
As shown in Figure 1, hermetic compressor comprises according to an embodiment of the invention: closed shell 1, by being connected to form of upper shell 1a and lower shell body 1b; Compression unit 10, compressed refrigerant in closed shell 1; Driver element 20 is for compression unit 10 provides driving force.Closed shell 1 the one side be provided with refrigeration agent be incorporated into closed shell inside suction tude 2 and will be discharged into the outlet pipe 3 of the outside of closed shell 1 by compression unit 10 refrigerant compressed.
In these assemblies, compression unit 10 comprises: cylinder block 11, form with framework 15, thus the pressing chamber 11a of formation compressed refrigerant; Piston 12, to-and-fro motion is with compressed refrigerant in pressing chamber 11a; Cylinder head assembly 13 is attached to a side of cylinder block 11 so that pressing chamber 11a is airtight, and has suction chamber 13a spaced apart from each other and exhaust chamber 13b; Valve cell 30 between cylinder block 11 and cylinder head assembly 13, and is regulated from suction chamber 13a and is entered into pressing chamber 11a or be discharged into the flowing of refrigeration agent of exhaust chamber 13b from pressing chamber 11a.
When hermetic compressor was worked, running shaft 23 rotated under the electromagnetic interaction between stator 21 and the rotor 22, carried out linear reciprocating motion by the piston 12 that connecting rod 25 is connected with eccentric part 24 in pressing chamber 11a.Thereby the refrigeration agent in closed shell 1 outside is introduced among the suction chamber 13a of cylinder head assembly 13 by suction tude 2, is transferred among the pressing chamber 11a again, is compressed in pressing chamber 11a then.Compressed refrigeration agent is discharged among the exhaust chamber 13b of cylinder head assembly 13 in pressing chamber 11a, is discharged into the outside of closed shell 1 then by outlet pipe 3.
Simultaneously, as shown in Figure 2, valve cell 30 comprises exhaust valve plate 35, intake leaf 40 and liner 45, exhaust valve plate 35 has inlet hole 31 and exhaust port (not shown), the pressing chamber 11a of cylinder block 11 is communicated with the suction chamber 13a and the exhaust chamber 13b of cylinder head assembly 13 by inlet hole 31 and exhaust port, intake leaf 40 is mounted on the exhaust valve plate 35 in a side of cylinder block 11, and intake leaf 40 is provided with the suction valve 41 that is used for opening/closing inlet hole 31, liner 45 is installed between intake leaf 40 and the cylinder block 11, to prevent freezing medium leakage.
As shown in Figures 2 and 3, the exhaust valve plate 35 in a side of cylinder head assembly 13 is equipped with the exhaust valve component 32 that is used for opening/closing exhaust port (not shown).
All be provided with bolt hole in each periphery of liner 45, intake leaf 40 and exhaust valve plate 35.Valve cell 30 is installed between cylinder block 11 and the cylinder head assembly 13 by fixing bolt 48, and each fixing bolt 48 all passes bolt hole separately from the outside of cylinder head assembly 13 and is tightened on the cylinder block 11.
The cylinder head assembly 13 that is installed in a side of cylinder block 11 comprises that being attached to main body 50 on the cylinder block and the mode by for example brazing (brazing) by fixing bolt 48 is attached to lid 60 on the main body 50.
First depression, 55 and second depression 56 is separated by first isolated part 57.First depression 55 is formed for the part of first resonant chamber 58 of the noise of the refrigeration agent that reduces to be inhaled into, and second depression 56 is formed for the part of second resonant chamber 59 of the noise of the refrigeration agent that reduces to be discharged from.
Simultaneously, with respect to the axis of pressing chamber 11a, first resonant chamber 58 and second resonant chamber 59 are disposed in the same side.In this case, because first resonant chamber 58 and second resonant chamber 59 are disposed in the same side, so can effectively utilize the inner space of closed shell 1.
The lid 60 that is attached to the main body 50 of cylinder head assembly 13 comprises edge 61 and the 3rd depression the 62 and the 4th depression 63, edge 61 is the parts that are attached to main body 50 by the mode of for example brazing, the 3rd depression the 62 and the 4th depression 63 from the edge 61 with the recessed in reverse direction predetermined depth of cylinder block 11.
The 3rd depression the 62 and the 4th depression 63 is separated by second isolated part 64.Simultaneously, when lid 60 was incorporated on the main body 50, second isolated part 64 contacted with 57 of first isolated parts.
The 3rd depression 62 with the part of inlet hole 53 corresponding positions of main body 50 as suction chamber 13a, the 3rd depression 62 with the other parts of first depression, 55 corresponding positions of main body 50 as first resonant chamber 58.Suction chamber 13a is connected by first connecting passage 67 with first resonant chamber 58.
The 4th depression 63 with the part of exhaust port 54 corresponding positions of main body 50 as exhaust chamber 13b, the 4th depression 63 with the other parts of second depression, 56 corresponding positions of main body 50 as second resonant chamber 59.Exhaust chamber 13b is connected by second connecting passage 68 with second resonant chamber 59.
Simultaneously, the 3rd depression 62 is provided with the suction tude attachment hole 62a that is connected with suction tude 2, and the 4th depression 63 is provided with the outlet pipe attachment hole 63a that is connected with outlet pipe 3.
Operation and effect according to hermetic compressor of the present invention will be described below.
When hermetic compressor was driven, refrigeration agent was inhaled in first resonant chamber 58 by suction tude 2.The refrigeration agent that is inhaled in first resonant chamber 58 flows among the suction chamber 13a by first connecting passage 67.The refrigeration agent that flows among the suction chamber 13a is incorporated among the pressing chamber 11a by suction valve 41, and is compressed by piston 12.
Compressed refrigeration agent is discharged among the exhaust chamber 13b by opening/closing exhaust valve component 32 in pressing chamber 11a.The refrigeration agent that is discharged among the exhaust chamber 13b flows in second resonant chamber 59 by second connecting passage 68.When compressed refrigeration agent in pressing chamber 11a flows in second resonant chamber 59, expand, thereby reduce the noise or the vibrations that cause by pulsation.
As mentioned above, suction chamber that forms in cylinder head assembly and exhaust chamber and the resonant chamber that forms in intake silencer and exhaust silencer can only be formed by an assembly simply, and in described assembly, main body and lid are assembled together.
By aforementioned description as seen, according to being formed with assembly in the hermetic compressor of the present invention, in this assembly, intake silencer and exhaust silencer and cylinder head assembly form, thereby can reduce the number of parts, and improve the working efficiency in the assembly process.Finally can save cost of production.
Though described exemplary embodiment of the present invention for exemplary purpose, it will be appreciated by those skilled in the art that under the situation that does not break away from the scope of the invention defined by the claims and spirit, can carry out various modifications, increase and replacement.
Claims (6)
1, a kind of hermetic compressor comprises:
Cylinder block has pressing chamber;
Assembly, have main body and lid, main body comprises inlet hole and air outlet hole, and body junction is incorporated into a side of cylinder block, refrigeration agent is inhaled in the pressing chamber by inlet hole, and refrigeration agent is discharged from pressing chamber by exhaust port, and lid combines with main body and comprises first resonant chamber and second resonant chamber, first resonant chamber communicates with inlet hole, and second resonant chamber communicates with exhaust port.
2, hermetic compressor as claimed in claim 1, wherein,
Main body also comprises planar section, first depression and second depression with described inlet hole and described exhaust port, first depression is from the recessed predetermined depth of planar section and form the part of first resonant chamber, and second depression is from the recessed predetermined depth of planar section and form the part of second resonant chamber;
Lid comprises the 3rd depression and the 4th depression, the 3rd depression has the suction chamber that communicates with described inlet hole and forms first resonant chamber with first depression, and the 4th depression has the exhaust chamber that communicates with described exhaust port and forms second resonant chamber with second depression.
3, hermetic compressor as claimed in claim 2, wherein, lid also comprises first connecting passage and second connecting passage, and first connecting passage connects the suction chamber and first resonant chamber, and second connecting passage connects the exhaust chamber and second resonant chamber.
4, hermetic compressor as claimed in claim 2, wherein, lid also is included in the isolated part of isolating between the 3rd depression and the 4th depression.
5, hermetic compressor as claimed in claim 1, wherein, with respect to the axis of pressing chamber, first resonant chamber and second resonant chamber are disposed in the same side.
6, hermetic compressor as claimed in claim 1, wherein, main body and lid interosculate by brazing.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060042120 | 2006-05-10 | ||
| KR1020060042120A KR20070109316A (en) | 2006-05-10 | 2006-05-10 | Hermetic compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101070831A true CN101070831A (en) | 2007-11-14 |
Family
ID=38685329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100982077A Pending CN101070831A (en) | 2006-05-10 | 2007-04-13 | Hermetic compressor |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20070264137A1 (en) |
| KR (1) | KR20070109316A (en) |
| CN (1) | CN101070831A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101448311B1 (en) * | 2008-09-29 | 2014-10-07 | 엘지전자 주식회사 | Hermetic compressor |
| CN102200110B (en) * | 2011-01-21 | 2015-05-13 | 佛山市广顺电器有限公司 | Sound reduction structure of air inlet piston |
| KR101854933B1 (en) * | 2013-04-24 | 2018-05-04 | 엘지전자 주식회사 | Muffler for compressor and compressor having the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1601860C3 (en) * | 1968-03-16 | 1974-05-22 | Danfoss A/S, Nordborg (Daenemark) | Hermetically sealed small refrigeration machine |
| US3698840A (en) * | 1971-05-26 | 1972-10-17 | Tecumseh Products Co | Compressor muffler construction |
| AR222411A1 (en) * | 1979-09-21 | 1981-05-15 | Siegas Metallwarenfab | ARMORED COMPRESSOR FOR SPECIFICALLY REFRIGERATED CHAMBERS |
| US5328338A (en) * | 1993-03-01 | 1994-07-12 | Sanyo Electric Co., Ltd. | Hermetically sealed electric motor compressor |
| US6134897A (en) * | 1997-04-23 | 2000-10-24 | O'donnell; Dennis W. | Air conditioner for motor vehicle |
-
2006
- 2006-05-10 KR KR1020060042120A patent/KR20070109316A/en not_active Application Discontinuation
-
2007
- 2007-03-30 US US11/731,199 patent/US20070264137A1/en not_active Abandoned
- 2007-04-13 CN CNA2007100982077A patent/CN101070831A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20070264137A1 (en) | 2007-11-15 |
| KR20070109316A (en) | 2007-11-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |