JPS59218323A - Suction muffler for closed compressor - Google Patents
Suction muffler for closed compressorInfo
- Publication number
- JPS59218323A JPS59218323A JP58092404A JP9240483A JPS59218323A JP S59218323 A JPS59218323 A JP S59218323A JP 58092404 A JP58092404 A JP 58092404A JP 9240483 A JP9240483 A JP 9240483A JP S59218323 A JPS59218323 A JP S59218323A
- Authority
- JP
- Japan
- Prior art keywords
- suction muffler
- wall layer
- sound
- insulating wall
- heat insulating
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/001—Gas flow channels or gas chambers being at least partly formed in the structural parts of the engine or machine
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Exhaust Silencers (AREA)
- Compressor (AREA)
Abstract
Description
【発明の詳細な説明】
［発明の技術分野］
本発明は密閉形圧縮機の吸込マフラに係り、特に圧縮部
に吸入される冷媒ガスの温度が１胃するのを防止づるこ
とができると共に製迄工稈の簡略化に寄与し１ｑる密閉
形圧縮機の吸込７フラに関づ゛るものである。Detailed Description of the Invention [Technical Field of the Invention] The present invention relates to a suction muffler for a hermetic compressor, and in particular can prevent the temperature of refrigerant gas sucked into a compression section from becoming too high. This article concerns the suction 7 flask of a hermetic compressor, which contributes to the simplification of the construction process.
［発明の技術向背」どその問題点］
一般に密閉形圧縮機の吸込マフラはでの遮音性を高める
ために質量の大きな材料を用い、はとんど鋳物あるには
鋼板等の金属（イ１’３＋にＪ、り形成されて、ろう接
や溶接によりシリンダあるいは圧縮部のフレームに取り
付りられていｌ（。[Problems with the Technical Background of the Invention] In general, the suction muffler of a hermetic compressor uses a material with a large mass to improve sound insulation, and is usually made of metal such as casting or steel plate. '3+ J, is formed and attached to the frame of the cylinder or compression part by soldering or welding.
一方、圧縮部内に吸入される冷媒ガスはシリンダ内への
吸入体積効率を高めるためにその温度を極力低くするこ
とが要求されている。On the other hand, the temperature of the refrigerant gas sucked into the compression section is required to be as low as possible in order to increase the volumetric efficiency of suction into the cylinder.
ところが、密閉形圧縮機のハウジング内では電動部等か
らの発熱があるため、その温度は吸入される冷媒ガスに
対して高く、従って１１ウジング内部雰囲気と冷媒ガス
との間の断熱を１′／）に１１なうことが望まれている
。However, in the housing of a hermetic compressor, heat is generated from electric parts, etc., so the temperature is higher than that of the refrigerant gas being sucked in. Therefore, the insulation between the internal atmosphere of the housing and the refrigerant gas is ) is expected to reach 11.
しかしながら上述した如く、吸込マーノラ（よ金属材１
’ｉ１により形成されるためその熱１ム導率乃至だ１′
）１１過率が大きく、冷媒ガスが吸込マフラ内を流れる
ときに加熱されて膨張してしまうのでシＩノンダｒ／９
への吸入体積効率が低下するという問題“あった。However, as mentioned above, the suction manora (metal material 1
Since it is formed by 'i1, its thermal conductivity is 1'
)11 The porosity is large, and when the refrigerant gas flows through the suction muffler, it gets heated and expands.
There was a problem that the volumetric efficiency of suction into the air was reduced.
そこで金属材料に替って断熱性の高０合成４洞［１７材
を用いて形成された吸込マフラが知られて（Ａるが、材
質が合成樹脂であるためろう接や溶１妾によって固定す
ることができず、シリンダある（＋）Ｇま圧縮部のフレ
ームに接着剤によって固定されることになり、接着剤の
乾燥時間を必要とＪ−るため−その作業性が低下する問
題や固定強度の低下づ−る問題があった。また、合成樹
脂製では質量が金属性に比して小さくなり遮音効果−し
小さくなる問題があった。Therefore, instead of metal materials, a suction muffler formed using a high-insulating synthetic 4-hole material is known (A), but since the material is synthetic resin, it is fixed by brazing or welding. Since the cylinder cannot be fixed to the frame of the compression section with adhesive, it requires time for the adhesive to dry, which reduces the workability and fixation. There was a problem of a decrease in strength.Furthermore, if the material was made of synthetic resin, the mass would be smaller than that of metal, resulting in a problem that the sound insulation effect would be reduced.
Ｌ発明の目的］
本発明は上述のごとき問題点に鑑みてこれらを有効に解
決すべく創案されたものである。LObject of the Invention] The present invention has been devised in view of the above-mentioned problems and to effectively solve them.
本発明の目的は、圧縮部に吸入さｔしるン令媒ノｊスの
温度が上昇するのを防止すること／ＪＸできると」支に
製造工程の簡略化にＭすし得る密閉形圧縮（幾の吸込マ
フラを提供することにある。The purpose of the present invention is to prevent the temperature of the refrigerant gas sucked into the compression section from rising. The purpose of the present invention is to provide several suction mufflers.
［発明の概要）
本発明は吸込マフラの消音空洞箱の壁体を金属製の遮音
壁層と断熱材製の断熱壁層との二層（范ｊ古とすること
によって上記目的を達成するものである。[Summary of the Invention] The present invention achieves the above object by forming the wall of the sound-absorbing cavity box of the suction muffler into a two-layer structure consisting of a sound insulating wall layer made of metal and a heat insulating wall layer made of a heat insulating material. be.
［発明の実施例］
以下に本発明の好適一実施例【こつ（為で添（４図面に
従って説明する。[Embodiments of the Invention] A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
第１図は本発明に係る吸込マフラを示すものである。FIG. 1 shows a suction muffler according to the present invention.
吸込マフラの消音空洞箱１は、シλノンダ２にＩＲり付
けられたバルブカバ３を介してシリンダ２内に吸入され
る冷媒ガスがバルブカッ＼３ｖ１へ導ｈＸれるべくこれ
に接続される吸入管４の管路途中（、：〜けられている
。A suction muffler muffling cavity box 1 has a suction pipe 4 connected thereto so that refrigerant gas sucked into the cylinder 2 via a valve cover 3 attached to the cylinder 2 is guided to a valve cup \3v1. In the middle of the pipe (,: ~ is being cut.
消音空洞箱１の外形を区画形成する壁体５は二層構造に
構成されており、外側には金属材料により形成された鋳
物によって遮音壁Ｂ６が設置］られ、内側には断熱性を
右づる合成樹脂月等により形成された断熱壁層７が設【
ノられている。The wall body 5 that defines the external shape of the sound-absorbing cavity box 1 has a two-layer structure, with a sound insulating wall B6 made of a metal material cast on the outside, and a composite wall with insulation properties on the inside. A heat insulating wall layer 7 made of resin etc. is installed.
Being beaten.
また、遮＠檗層６と断熱壁層７とは密着していてもよい
が、本実施例では更に断熱は能及び消音機能を高めるた
めにまた内側の断熱壁層７の寸法制度をラフにすること
ができるようにこれらの間に空隙層８が設けられている
。In addition, the insulation layer 6 and the heat insulation wall layer 7 may be in close contact with each other, but in this embodiment, the dimensional accuracy of the inner heat insulation wall layer 7 is made rough in order to further improve the insulation performance and the sound deadening function. A void layer 8 is provided between these so that the material can be removed.
更には、遮音Ｖ層６の内壁面が消音空洞箱１の内方へ突
出され、これに治うべく断熱壁層７を設けて冷媒の流路
断面積を縮小する絞り突起部９が形成されて消音効果が
高められるように構成されている。尚、この絞り突起部
９は断熱壁層７の力によって形成し、遮音壁層６の内壁
面は平滑面に成形しても良い。Furthermore, the inner wall surface of the sound insulating V layer 6 is protruded inward of the sound deadening cavity box 1, and a heat insulating wall layer 7 is provided on the inner wall surface of the sound insulating V layer 6 to form a constriction protrusion 9 that reduces the cross-sectional area of the refrigerant flow path. The structure is such that the noise reduction effect is enhanced. Note that the aperture protrusion 9 may be formed by the force of the heat insulating wall layer 7, and the inner wall surface of the sound insulating wall layer 6 may be formed into a smooth surface.
消音空洞箱１はシリンダ２と一体的に鋳造されるかある
いは別体に形成されてろう接乃至溶接にＪ：ってシリン
ダ２の外側に取り付（プられる。The sound deadening cavity box 1 is either cast integrally with the cylinder 2 or formed separately and attached to the outside of the cylinder 2 by soldering or welding.
冷媒は冷凍サイクルを循環し、低圧ガスとなって吸入管
４内を流れてシリンダ２内に吸入される際に吸込マフラ
の消音空洞箱１内を通過する。このとき消音空洞箱１の
外周雰囲気は電動部（図示せず）等の発熱のため消音さ
れているが断熱壁層７によってその内外は断熱されてＪ
３り冷媒は加熱されずその湿度を略一定に保つことがで
きる。また、空隙層８を設けることによって壁体５の断
熱機能は更に高められる。The refrigerant circulates through the refrigeration cycle, becomes a low-pressure gas, flows through the suction pipe 4, and passes through the muffler box 1 of the suction muffler when being sucked into the cylinder 2. At this time, the surrounding atmosphere of the sound-absorbing cavity box 1 is muted due to the heat generated by electric parts (not shown), etc., but the inside and outside of the box are insulated by the heat-insulating wall layer 7.
The third refrigerant is not heated and its humidity can be kept approximately constant. Further, by providing the void layer 8, the heat insulating function of the wall body 5 is further enhanced.
消音効果としては遮音壁層６の質量効果により遮音機能
が発揮され、また空隙層８と絞り突起部９とによる吸音
機能も発揮される。As a sound deadening effect, a sound insulation function is exhibited by the mass effect of the sound insulation wall layer 6, and a sound absorption function is also exhibited by the void layer 8 and the aperture protrusion 9.
製作工程に関しては壁体５をろう接乃至溶接によってシ
リンダ２に固定することができるので従来どＪ３す、短
時間の作業で強固に組み付りることができる。また内側
の断熱壁層７に関しては、空隙層８を設けることによっ
てその寸法精度をラフに設定することができる。Regarding the manufacturing process, since the wall body 5 can be fixed to the cylinder 2 by brazing or welding, it can be firmly assembled in a short time, unlike the conventional J3. Further, regarding the inner heat insulating wall layer 7, by providing the void layer 8, its dimensional accuracy can be roughly set.
尚、第２図に示す如く消音空洞箱１を圧縮部のフレーム
１０に取り付（プる場合、；麻音壁ｍ６の−側面を間放
し、その内方に断熱壁層７を収容すると共に開放側面を
フレーム１０の端面に覆い被せ、その継ぎ目をろう接乃
至溶接によって固定してもよい。In addition, as shown in FIG. 2, when the sound-absorbing cavity box 1 is attached to the frame 10 of the compression section, the negative side of the hemp sound wall m6 is left open, and the heat insulating wall layer 7 is housed inside it. The open side surface may be placed over the end surface of the frame 10 and the joint may be fixed by brazing or welding.
また、第３図に示覆如く鋼板等によって断面略矩形に消
音空洞箱１を形成し、吸入管４によってバルブカバ３内
へ接続してもよい。Alternatively, as shown in FIG. 3, the sound deadening cavity box 1 may be formed of a steel plate or the like and have a substantially rectangular cross section, and may be connected to the inside of the valve cover 3 through the suction pipe 4.
ところで、密閉形圧縮機では、一般にシリンダで圧縮さ
れた冷媒ガスがバルブカバから吐出マフラを経て吐出側
へ流れる。このどきシリンダ１〜ツブ付近、バルブカバ
及びその周辺の冷媒ガスはかなりの高温になっており、
このため吐出弁あるいは吸入弁にｆ」着しＩＣｆ、’ｌ
滑油が燃焼してスラッジが発生ずる虞れがある。そこで
第４図あるいは第５図に示づ如くバルブノＪバ３からの
吐出マフラ１１の接続口１２をバルブカバ３から最も離
隔した位置に設り、これらの間を吐出＠１３で接続づれ
ば、吐出管゛１３の肉厚が比較的薄く放熱効果が大きい
ためシリンダ１〜ツブ１４付近、バルブカバ３及びその
周辺からの放熱を促進することができ、スラッジの発生
を防止Ｊ−ることができる。By the way, in a hermetic compressor, refrigerant gas compressed in a cylinder generally flows from a valve cover to a discharge side via a discharge muffler. These days, the refrigerant gas around cylinder 1 to the knob, the valve cover, and its surroundings is quite high temperature.
Therefore, f' arrives at the discharge valve or suction valve, ICf,'l
There is a risk that the lubricating oil will burn and generate sludge. Therefore, as shown in FIG. 4 or FIG. 5, the connection port 12 of the discharge muffler 11 from the valve nozzle 3 is provided at the position farthest from the valve cover 3, and if these are connected by the discharge @13, the discharge pipe Since the wall thickness of the cylinder 13 is relatively thin and the heat dissipation effect is large, heat dissipation from the vicinity of the cylinder 1 to the knob 14, the valve cover 3 and its surroundings can be promoted, and the generation of sludge can be prevented.
［発明の効果］
以上の説明より明らかなように本発明によれば次のごと
き優れた効果が発揮される。[Effects of the Invention] As is clear from the above description, the present invention provides the following excellent effects.
■圧縮部に吸入される冷媒ガスの温度が上背づるのを防
止できる。■It is possible to prevent the temperature of the refrigerant gas sucked into the compression section from becoming too high.
■シリンダ内への冷媒ガスの吸入体積効率を可及的に高
めることができる。■The volumetric efficiency of sucking refrigerant gas into the cylinder can be increased as much as possible.
■加工・組立工程を簡略化することができる。■Machining and assembly processes can be simplified.
■消音機能を可及的に高めることができる。■The silencing function can be improved as much as possible.
■構造が簡単で容易に採用し１ｑる。■The structure is simple and can be easily adopted.
第１図は本発明に係る吸込マフラの一実施例の概略構成
を示す側断面図、第２図及び第３図はそれぞれ別の本発
明に係る吸込マフラの他の実施例の概略構成を示す側断
面図、第４図及び第５図はそれぞれ別の吐出マフラの取
付構造を示す概略構成図である。
図中、１は消音空洞箱、５は壁体、６は遮音Ｉｆｆ、７
は断熱壁層、８は空隙層、９は絞り突起部である。FIG. 1 is a side sectional view showing a schematic configuration of one embodiment of a suction muffler according to the present invention, and FIGS. 2 and 3 each show a schematic configuration of other embodiments of a suction muffler according to the present invention. The side sectional view, FIG. 4, and FIG. 5 are schematic configuration diagrams showing different mounting structures for the discharge muffler. In the figure, 1 is a sound deadening cavity box, 5 is a wall, 6 is a sound insulation Iff, and 7
is a heat insulating wall layer, 8 is a void layer, and 9 is an aperture projection.
Claims (4)
マフラ（こおいて、該吸込マフラの消音空洞箱の外形を
区画形成する重体を、金属材料等により形成される′ａ
音壁層と樹脂材等の断熱材料により形成される断熱壁層
とを内外に重ねた二層構造としたことを特徴とする密閉
形圧縮機の吸込マフラ。(1) A suction muffler connected to the suction side of the compression section of a hermetic compressor (here, the heavy body that defines the external shape of the sound-absorbing cavity box of the suction muffler is made of a metal material or the like).
A suction muffler for a hermetic compressor characterized by having a two-layer structure in which a sound wall layer and a heat insulating wall layer formed of a heat insulating material such as a resin material are stacked on the inside and outside.
上記特許請求の範囲第１項記載の密閉形圧縮機の吸込マ
フラ。(2) A suction muffler for a hermetic compressor according to claim 1, wherein a void layer is provided between the sound insulating wall layer and the heat insulating wall layer.
設した上記特許請求の範囲第１項乃至第２項記載の密閉
形圧縮機の吸込マフラ。(3) A suction muffler for a hermetic compressor according to claims 1 and 2, wherein the sound insulating wall layer is provided on the outside and the heat insulating wall layer is provided on the inside.
側に配設すると共に該断熱壁層の内側面に、冷媒流路断
面積を縮小づ゛る絞り突起部を形成した上記特許請求の
範囲第１項乃至第２項記載の密閉形圧縮機の吸込マフラ
。(4) The above-mentioned patent claim, wherein the sound insulating wall layer is disposed fully on the outside and the heat insulating wall layer is disposed on the inside, and a throttle protrusion is formed on the inner surface of the heat insulating wall layer to reduce the cross-sectional area of the refrigerant flow path. A suction muffler for a hermetic compressor according to items 1 and 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58092404A JPS59218323A (en) | 1983-05-27 | 1983-05-27 | Suction muffler for closed compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58092404A JPS59218323A (en) | 1983-05-27 | 1983-05-27 | Suction muffler for closed compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59218323A true JPS59218323A (en) | 1984-12-08 |
Family
ID=14053474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58092404A Pending JPS59218323A (en) | 1983-05-27 | 1983-05-27 | Suction muffler for closed compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59218323A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2598181A1 (en) * | 1986-05-02 | 1987-11-06 | Brasil Compressores Sa | IMPROVEMENT IN THE SUCTION SYSTEM OF A HERMETIC COMPRESSOR FOR REFRIGERATION MACHINES |
| JPS62291482A (en) * | 1986-05-22 | 1987-12-18 | ネッキ・コンプレソーリ・エッセ・エッレ・エーレ | Motor-driven sealed type reciprocating compressor |
| EP0348936A2 (en) * | 1988-06-28 | 1990-01-03 | Matsushita Electric Industrial Co., Ltd. | A scroll gas compressor |
| JP2005133707A (en) * | 2003-10-10 | 2005-05-26 | Matsushita Electric Ind Co Ltd | Enclosed compressor |
| KR20060033389A (en) * | 2004-10-15 | 2006-04-19 | 현대자동차주식회사 | Structure for reducing noise of compressor |
| WO2015149833A1 (en) * | 2014-03-31 | 2015-10-08 | Arcelik Anonim Sirketi | Thermally insulative inner lining for use in an exhaust silencer of a hermetic reciprocating compressor |
| WO2021030892A1 (en) * | 2019-08-16 | 2021-02-25 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. | System for thermal insulation of suction muffler in compressors |
| CN112412740A (en) * | 2019-08-23 | 2021-02-26 | Lg电子株式会社 | Linear compressor |
-
1983
- 1983-05-27 JP JP58092404A patent/JPS59218323A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2598181A1 (en) * | 1986-05-02 | 1987-11-06 | Brasil Compressores Sa | IMPROVEMENT IN THE SUCTION SYSTEM OF A HERMETIC COMPRESSOR FOR REFRIGERATION MACHINES |
| JPS62291482A (en) * | 1986-05-22 | 1987-12-18 | ネッキ・コンプレソーリ・エッセ・エッレ・エーレ | Motor-driven sealed type reciprocating compressor |
| EP0348936A2 (en) * | 1988-06-28 | 1990-01-03 | Matsushita Electric Industrial Co., Ltd. | A scroll gas compressor |
| US5037278A (en) * | 1988-06-28 | 1991-08-06 | Matsushita Electric Industrial Co., Ltd. | Scroll compressor with heat insulating and soundproof cover in bottom disposed low pressure chamber |
| JP2005133707A (en) * | 2003-10-10 | 2005-05-26 | Matsushita Electric Ind Co Ltd | Enclosed compressor |
| KR20060033389A (en) * | 2004-10-15 | 2006-04-19 | 현대자동차주식회사 | Structure for reducing noise of compressor |
| WO2015149833A1 (en) * | 2014-03-31 | 2015-10-08 | Arcelik Anonim Sirketi | Thermally insulative inner lining for use in an exhaust silencer of a hermetic reciprocating compressor |
| WO2021030892A1 (en) * | 2019-08-16 | 2021-02-25 | Embraco Indústria De Compressores E Soluções Em Refrigeração Ltda. | System for thermal insulation of suction muffler in compressors |
| CN114761685A (en) * | 2019-08-16 | 2022-07-15 | 日本电产全球电器巴西有限公司 | Suction muffler heat insulation system in compressor |
| CN112412740A (en) * | 2019-08-23 | 2021-02-26 | Lg电子株式会社 | Linear compressor |
| EP3783224A3 (en) * | 2019-08-23 | 2021-03-03 | LG Electronics Inc. | Linear compressor |
| US11781540B2 (en) | 2019-08-23 | 2023-10-10 | Lg Electronics Inc. | Linear compressor |
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