CN101070831A - Hermetic compressor - Google Patents

Hermetic compressor Download PDF

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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
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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
Application number
CNA2007100982077A
Other languages
Chinese (zh)
Inventor
朴昇一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Gwangju Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Samsung Gwangju Electronics Co Ltd filed Critical Samsung Gwangju Electronics Co Ltd
Publication of CN101070831A publication Critical patent/CN101070831A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0061Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes using muffler volumes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/0027Pulsation and noise damping means
    • F04B39/0055Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
    • F04B39/0066Pulsation 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/10Adaptations or arrangements of distribution members
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122Cylinder block
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/12Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/125Cylinder heads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00Component 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
    • F04B39/14Provisions for readily assembling or disassembling

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  • 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

Hermetic compressor
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.
Driver element 20 be used for driving force is provided so that piston 12 in pressing chamber 11a to-and-fro motion.Thereby driver element 20 comprises the stator 21 that is fixed in the closed shell 1 and is installed in the stator 21 rotor 22 with stator 21 mutual electromagnetic effects with a determining deviation.Be provided with running shaft 23 at the middle part of rotor 22, thereby rotor 22 is with running shaft 23 rotations.Be provided with in the bottom of running shaft 23 can eccentric rotation eccentric part 24 and connecting rod 25, an end of connecting rod 25 rotatably is attached on the eccentric part 24, the other end of connecting rod 25 is incorporated on the piston 12, thereby converts eccentric motion to linear motion.
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.
Main body 50 comprises planar section 51 with plat surface and first depression, 55 and second depression 56 that is recessed into predetermined depths from planar section 51 to cylinder block 11.
Planar section 51 is provided with and makes the bolt hole 52 that fixing bolt 48 passes and be arranged on the locational exhaust port 54 corresponding with the position of exhaust valve component 32, fixing bolt 48 is fixed to cylinder head assembly 13 on the cylinder block 11, exhaust valve component 32 opening/closings are arranged on the locational inlet hole 53 corresponding with the position of the inlet hole 31 of exhaust valve plate 35 so that refrigeration agent is inhaled into, and the exhaust port (not shown) of opening/closing exhaust valve plate 35.
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.
CNA2007100982077A 2006-05-10 2007-04-13 Hermetic compressor Pending CN101070831A (en)

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

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ID=38685329

Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2007100982077A Pending CN101070831A (en) 2006-05-10 2007-04-13 Hermetic compressor

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US (1) US20070264137A1 (en)
KR (1) KR20070109316A (en)
CN (1) CN101070831A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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Publication number Publication date
US20070264137A1 (en) 2007-11-15
KR20070109316A (en) 2007-11-15

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