CN106460817B - For thermal insulation neck bush used in the exhaust silencer in hermetic reciprocating compressor - Google Patents
For thermal insulation neck bush used in the exhaust silencer in hermetic reciprocating compressor Download PDFInfo
- Publication number
- CN106460817B CN106460817B CN201480077773.8A CN201480077773A CN106460817B CN 106460817 B CN106460817 B CN 106460817B CN 201480077773 A CN201480077773 A CN 201480077773A CN 106460817 B CN106460817 B CN 106460817B
- Authority
- CN
- China
- Prior art keywords
- thermal insulation
- neck bush
- main body
- exhaust silencer
- exhaust
- 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
Classifications
-
- 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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
Abstract
A kind of hermetic reciprocating compressor (3) includes: cylinder body (4), the cylinder body (4) include for compressing the discharge chambe of refrigerant (5)；Silencer (2), the silencer (2) include the exhaust formed to the cavity (6) in cylinder body (4)；It is separately led to the air inlet port (7) and exhaust port (8) of cavity (6), wherein discharge chambe (5) and air inlet port (7) are in fluid communication by discharge refrigerant channel (9).Exhaust silencer (2) includes the thermal insulation neck bush (1) that shape compatibly matches the inner surface of cavity (6).
Description
Technical field
The present invention relates to one kind for the hermetic reciprocating compressor used in cooling equipment particularly domestic refrigerator.This
Invention relates more specifically to a kind of for improving the technology of the thermodynamic efficiency of hermetic reciprocating compressor.
Background technique
In traditional hermetic reciprocating compressor, exhaust silencer is usually formed in cylinder body.In such construction,
Discharge chambe is typically connected via the discharge refrigerant channel formed into cylinder body with exhaust silencer.Therefore, it obtains compact
Construction.
File CN1769694 (A) discloses a kind of hermetic reciprocating compressor.Exhaust silencer is formed in the compressor
Into cylinder body.
The shortcomings that construction is that hot and the refrigerant of pressurization the thermal energy being discharged from discharge chambe in compression stage exists
Cylinder body is partly dissipated to when refrigerant is transported in the cavity of exhaust silencer via coolant channel.Thus, in cavity
The temperature of the refrigerant in portion reduces and the thermodynamic efficiency of entire cooling cycle deteriorates.
The further drawback of the construction is that the heat for starting to be dissipated to cylinder body with subsequent sucting stage is partially shifted to
The refrigerant being just transported in discharge chambe.Thus, the density for the refrigerant being brought in discharge chambe is reduced and is entirely cooled down
The thermodynamic efficiency degradation of circulation.
Summary of the invention
It is an object of the present invention to overcome the problems, such as the above-mentioned of the prior art and provide to improve hermetic reciprocating compressor
The technology of thermodynamic efficiency.
The target has passed through thermal insulation neck bush, hermetic reciprocating compressor and cooling as defined in the present invention
Equipment is realized.Other achievements are had been obtained for by the theme limited respectively in the dependent claims.
In the technique of the present invention, it is used to reduce inside the exhaust silencer of hermetic reciprocating compressor by utilizing
The thermal insulation neck bush of heat transfer from the refrigerant of the cavity inside in exhaust silencer to the metal-back for surrounding cavity improves
Thermodynamic efficiency.Thermal insulation neck bush also has the function of the acoustic vibration of decaying refrigerant.
In one embodiment, the material of the thermal insulation of neck bush has the heat transfer system of the coefficient of heat conduction lower than cylinder body
Number.In a form of the embodiment, the material of thermal insulation is plastics.In another form of the embodiment, plastics are poly-
One in amide or derivatives thereof.
In another embodiment, thermal insulation neck bush have shape compatibly match exhaust silencer inner surface it is similar
The shape of capsule.
By means of thermal insulation neck bush, the thermodynamic efficiency of hermetic reciprocating compressor has been improved.
Detailed description of the invention
The additional advantage of thermal insulation neck bush and hermetic reciprocating compressor of the invention of the invention is utilized with reference to attached
The detailed description that figure carries out embodiment will become obvious, in the accompanying drawings:
Fig. 1 is the schematical local perspective view of hermetic reciprocating compressor according to an embodiment of the present；
Fig. 2 is the schematical partial top view of hermetic reciprocating compressor shown in FIG. 1；
Fig. 3 be along A-A obtain hermetic reciprocating compressor shown in figure 2 schematical cross section locally regard
Figure；
Fig. 4 is the schematical enlarged side view of the thermal insulation neck bush shown in Fig. 1 to 3；
Fig. 5 be along B-B obtain the thermal insulation neck bush being shown in FIG. 4 schematical viewgraph of cross-section；
Fig. 6 is the schematical local perspective view of hermetic reciprocating compressor according to another embodiment of the present invention；
Fig. 7 be according to another embodiment of the present invention before thermal insulation neck bush is installed be shown in FIG. 6 it is close
Seal the schematical local perspective view of reciprocating compressor；
Fig. 8 is the schematical enlarged perspective of the thermal insulation neck bush shown in figs. 6 and 7.
The reference symbol occurred on the diagram is related to following technical characteristic.
1 neck bush
2 exhaust silencers
3 compressors
4 cylinder bodies
4a metal-back
Room 5
6 cavitys
7 air inlet ports
8 exhaust ports
9 coolant channels
10 main bodys
11 outer surfaces
12 inner surfaces
13 hollow parts
14 ingress ports
15 outlet ports
16 inner surfaces
17 the covers
18 through-holes
19 threaded holes.
Specific embodiment
Thermal insulation neck bush (1) of the invention is suitable for internal in the exhaust silencer (2) of hermetic reciprocating compressor (3)
It uses (Fig. 1 to 8).
Hermetic reciprocating compressor (3) includes cylinder body (4), which includes for compressing the discharge chambe of refrigerant (5)
And exhaust silencer (2), the exhaust silencer (2) include the cavity (6) formed in cylinder body (4), are separately led to cavity
(6) air inlet port (7) and exhaust port (8).Discharge chambe (5) and air inlet port (7) pass through at discharge refrigerant channel (9)
(Fig. 1 to 3 in fluid communication；Fig. 6 is to 7).
Thermal insulation neck bush (1) of the invention includes the main body made of the material of thermal insulation (10).Main body (10) includes
Shape compatibly match the inner surface (12) of cavity (6) outer surface (11), formed in main body (10) acoustically to decay
To in main body (10) and led to by the hollow parts (13) and formation of discharge refrigerant channel (9) received discharge refrigerant
To the ingress port (14) and outlet port (15) of hollow parts (13).Ingress port (14) and outlet port (15) respectively for
Air inlet port (7) and exhaust port (8) (Fig. 1 to 8).
Hermetic reciprocating compressor (3) of the invention includes thermal insulation neck bush (1) (Fig. 1 to 8).
In one embodiment, the material of the thermal insulation of neck bush (1) has the heat of the coefficient of heat conduction less than cylinder body (4)
The coefficient of conductivity.In a form of the present embodiment, cylinder body (4) is made of metal and the material of thermal insulation is plastics.At this
In another form of embodiment, plastics are one in polyamide or derivatives thereof.
In another embodiment, outer surface (11) shape of main body (10) compatibly matches the cover of exhaust silencer (2)
(17) inner surface (16) (Fig. 3 to 5).
In another embodiment, main body (10) furthermore includes the through-hole (18) of two co-axially aligns for insertion into fixed spiral shell
(not shown) is followed closely so that the cover of exhaust silencer (2) (17) are fixed to cylinder body (4) (Fig. 3).In this embodiment, cylinder has
With the threaded hole (19) (Fig. 3) of through-hole (18) co-axially align.
In order to assemble hermetic reciprocating compressor (3), thermal insulation neck bush (1) is inserted into the sky of exhaust silencer (2)
In chamber (6).Then, the cover (17) are placed not leak ground closed cavity (6).Rear cover (17) and cylinder body (4) by utilize spiral shell
Nail is fixed together (not shown).
In another embodiment, in addition to leading to the ingress ports (14) of hollow parts (13), outlet port (15) and logical
Hollow parts (13) sealingly pass through main body (4) and are surrounded (Figure 4 and 5) except hole (18).
In another embodiment, main body (10) is capsule shape.
The present invention also provides the cooling equipment (not shown) including hermetic reciprocating compressor (3) of the invention.
In another embodiment, cooling equipment is set as domestic refrigerator (not shown).
By means of thermal insulation neck bush (1) of the invention, the refrigeration in the pressurization of the internal heat of exhaust silencer (2) is prevented
The thermal dissipation of agent is in cylinder body (4).Therefore, the density for having blocked the refrigerant being brought in discharge chambe (5) is reduced, and
And the thermodynamic efficiency of hermetic reciprocating compressor (3) is improved.
Claims (14)
1. thermal insulation neck bush (1) of the one kind for being used inside the exhaust silencer (2) of hermetic reciprocating compressor (3),
The hermetic reciprocating compressor (3) includes cylinder body (4), the cylinder body (4) include for compressing the discharge chambe of refrigerant (5), and
Exhaust silencer (2), the exhaust silencer (2) include formed in the cylinder body (4) cavity (6), be separately led to described in
The air inlet port (7) and exhaust port (8) of cavity (6), wherein the discharge chambe (5) and the air inlet port (7) pass through exhaust
Coolant channel (9) is in fluid communication, it is characterised in that the main body made of the material of thermal insulation (10), the main body
(10) include
Outer surface (11), outer surface (11) shape compatibly match the inner surface (12) of the cavity (6),
Hollow parts (13), the hollow parts (13) are formed in the main body (10) acoustically to decay through the exhaust
Coolant channel (9) received discharge refrigerant, and
Ingress port (14) and outlet port (15), the ingress port (14) and the outlet port (15), which are formed, arrives the main body
(10) in and lead to the hollow parts (13), wherein the ingress port (14) and the outlet port (15) are respectively for institute
State air inlet port (7) and the exhaust port (8).
2. thermal insulation neck bush (1) according to claim 1, which is characterized in that the material of the thermal insulation, which has, to be less than
The coefficient of heat conduction of the coefficient of heat conduction of the cylinder body (4).
3. thermal insulation neck bush (1) according to claim 1, which is characterized in that the material of the thermal insulation is plastics.
4. thermal insulation neck bush (1) according to claim 3, which is characterized in that the plastic material be polyamide or its
One in derivative.
5. thermal insulation neck bush (1) according to any one of claims 1 to 4, which is characterized in that the main body (10)
The outer surface (11) also shape compatibly matches the inner surface (16) of the cover (17) of the exhaust silencer (2).
6. thermal insulation neck bush (1) according to claim 5, which is characterized in that the main body (10) furthermore includes two
The through-hole (18) of co-axially align is for insertion into fixing screws the cover (17) of the exhaust silencer (2) to be fixed to
The cylinder body (4).
7. thermal insulation neck bush (1) according to any one of claims 1 to 4, which is characterized in that the hollow parts
(13) it is sealed around by the main body (10).
8. thermal insulation neck bush (1) according to any one of claims 1 to 4, which is characterized in that the main body (10) is
Monoblock type.
9. thermal insulation neck bush (1) according to any one of claims 1 to 4, which is characterized in that the main body (10) is
Capsule shape.
10. thermal insulation neck bush (1) according to any one of claims 1 to 4, which is characterized in that the main body (10)
It is cylindrical.
11. a kind of hermetic reciprocating compressor (3), including
Cylinder body (4), the cylinder body (4) include for compressing the discharge chambe of refrigerant (5), and
Exhaust silencer (2), the exhaust silencer (2) include the cavity (6) formed in the cylinder body (4), respectively lead to
To the air inlet port (7) and exhaust port (8) of the cavity (6), wherein the discharge chambe (5) and the air inlet port (7) are logical
It crosses discharge refrigerant channel (9) and is in fluid communication, it is characterised in that is exhausted to heat described in any one of 10 according to claim 1
Edge neck bush (1).
12. a kind of cooling equipment includes hermetic reciprocating compressor according to claim 11 (3).
13. cooling equipment according to claim 12, which is characterized in that the cooling equipment is domestic refrigerator.
14. according to claim 1 to thermal insulation neck bush (1) described in any one of 10 in hermetic reciprocating compressor (3)
For reducing from the internal refrigerant of the cavity (6) in the exhaust silencer (2) to the encirclement sky in exhaust silencer (2)
The purposes of the heat transfer of the metal-back (4a) of chamber (6).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2014/056435 WO2015149833A1 (en) | 2014-03-31 | 2014-03-31 | Thermally insulative inner lining for use in an exhaust silencer of a hermetic reciprocating compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106460817A CN106460817A (en) | 2017-02-22 |
| CN106460817B true CN106460817B (en) | 2019-02-01 |
Family
ID=50434189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480077773.8A Expired - Fee Related CN106460817B (en) | 2014-03-31 | 2014-03-31 | For thermal insulation neck bush used in the exhaust silencer in hermetic reciprocating compressor |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3126674B1 (en) |
| CN (1) | CN106460817B (en) |
| BR (1) | BR112016022036A2 (en) |
| WO (1) | WO2015149833A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TR201606032A2 (en) | 2016-05-09 | 2017-11-21 | Arcelik As | NOISE LEVEL REDUCED HERMETIC COMPRESSOR |
| WO2019192893A1 (en) * | 2018-04-04 | 2019-10-10 | Arcelik Anonim Sirketi | A compressor with improved operational efficiency |
| CN114508475A (en) * | 2022-02-14 | 2022-05-17 | 广州万宝集团压缩机有限公司 | Interior exhaust structure, compressor and attemperator |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52151409U (en) * | 1976-05-13 | 1977-11-16 | ||
| US4401418B1 (en) * | 1981-04-29 | 1998-01-06 | White Consolidated Ind Inc | Muffler system for refrigeration compressor |
| JPS59218323A (en) * | 1983-05-27 | 1984-12-08 | Toshiba Corp | Suction muffler for closed compressor |
| US5559310A (en) * | 1995-04-26 | 1996-09-24 | Ingersoll-Rand Company | Muffler for air operated reciprocating pumps |
| DE10323527B4 (en) * | 2003-05-24 | 2009-04-16 | Danfoss Compressors Gmbh | Refrigerant compressor |
| KR100564439B1 (en) * | 2003-11-14 | 2006-03-29 | 엘지전자 주식회사 | Hermetic compressor |
| CN100572807C (en) * | 2004-11-05 | 2009-12-23 | 乐金电子(天津)电器有限公司 | The exhaust silencer structure of closed compressor |
| CN101260875A (en) * | 2007-03-06 | 2008-09-10 | Lg电子株式会社 | Apparatus for preventing overheating operating fluid in sealed compressor |
| BRPI0803457B1 (en) * | 2008-09-05 | 2020-11-10 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda | suction arrangement for hermetic refrigeration compressor |
| ES2480972T3 (en) * | 2010-06-09 | 2014-07-29 | Arçelik Anonim Sirketi | Hermetic compressor |
| CN102251950A (en) * | 2011-07-07 | 2011-11-23 | 广州万宝集团压缩机有限公司 | Exhausting and sound deadening structure of refrigerator compressor |
| CN102297118B (en) * | 2011-09-30 | 2013-10-09 | 黄石东贝电器股份有限公司 | Separate heat-insulating exhaust silencing device and refrigerant compressor adopted thereby |
-
2014
- 2014-03-31 WO PCT/EP2014/056435 patent/WO2015149833A1/en active Application Filing
- 2014-03-31 EP EP14714989.2A patent/EP3126674B1/en active Active
- 2014-03-31 CN CN201480077773.8A patent/CN106460817B/en not_active Expired - Fee Related
- 2014-03-31 BR BR112016022036A patent/BR112016022036A2/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| EP3126674B1 (en) | 2019-08-07 |
| EP3126674A1 (en) | 2017-02-08 |
| BR112016022036A2 (en) | 2018-07-10 |
| CN106460817A (en) | 2017-02-22 |
| WO2015149833A1 (en) | 2015-10-08 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20200331 |