JPWO2020105392A1 - 騒音低減構造 - Google Patents
騒音低減構造 Download PDFInfo
- Publication number
- JPWO2020105392A1 JPWO2020105392A1 JP2020558220A JP2020558220A JPWO2020105392A1 JP WO2020105392 A1 JPWO2020105392 A1 JP WO2020105392A1 JP 2020558220 A JP2020558220 A JP 2020558220A JP 2020558220 A JP2020558220 A JP 2020558220A JP WO2020105392 A1 JPWO2020105392 A1 JP WO2020105392A1
- Authority
- JP
- Japan
- Prior art keywords
- damping rubber
- vibration damping
- vibration
- noise
- noise reduction
- 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
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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
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
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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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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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
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
- F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2224/00—Materials; Material properties
- F16F2224/02—Materials; Material properties solids
- F16F2224/025—Elastomers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/0041—Locking; Fixing in position
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2230/00—Purpose; Design features
- F16F2230/36—Holes, slots or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F2234/00—Shape
- F16F2234/02—Shape cylindrical
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Compressor (AREA)
- Vibration Prevention Devices (AREA)
- Springs (AREA)
Abstract
Description
例えば、図6(A)は、ハウジング31およびカバー41の合わせ面に制振材101を挟み込む構造を示す。図6(B)は、騒音放射面となるカバー41平面の外面に制振塗料111を塗布し、または高ダンピングゴムを貼り付ける構造を示す。図6(C)は、騒音放射面となるカバー41平面の全体を遮音材121で覆う構造を示す。図6(D)は、騒音放射面となるカバー41平面の厚みtを増大して、カバー41自体の強度を増大する構造を示す。
図6(B)に示す構造において、カバー41平面に制振塗料111を塗布する場合、塗布工程に多大な手間と時間を必要とする。また、カバー41平面に高ダンピングゴムを貼付する場合、カバー41平面に凹凸が存在する場合に対応しにくい。
図6(C)に示す構造では、遮音材121の取付・保持構造が別途必要となる。
図6(D)に示す構造では、カバー41の質量、延いては作動機器の質量が極端に増加することがある。
このとき、低減の狙いとする騒音の周波数が500Hz〜1000Hzの場合には、1次モード腹部に制振ゴム51を1つ挟み込む。また、低減の狙いとする騒音の周波数が500Hz〜1800Hzの場合には、1次モード腹部と2次モード腹部(2次モード腹部は2箇所あるが、このうち1箇所のみでも可)に制振ゴム51を2つまたは3つ挟み込む。
ブロック状の制振ゴム51は、ガスケット機能を有さない制振専用の部品である。したがって、部品コストを抑制できる。また、金属板の表面にゴム膜をコーティングした制振素材よりなる制振材101(図6(A))と比較して、部品点数および組立工数が少なく、低減可能音域が高周波数領域に限定されることもない。また、カバー41の平面に凹凸が存在する場合であっても、制振ゴム51を取り付けることができる。また、図6(C)と異なり、制振ゴム51の取付け・保持構造を、機器11の外部に別途設ける必要がない。また、カバー41の質量、延いては機器11の質量が極端に増加することがない。
このように、本実施形態の騒音低減構造によれば、簡易な構造で、優れた騒音低減効果を発揮できる。
21 内部部品
22 電子基盤
31 ハウジング
32 開口部
41 カバー
42 平面部(騒音放射面)
43 突起
51 制振ゴム
52,53 端面
54 凹部
55 取付孔
Claims (2)
- 作動時に振動を発生する作動機器の内部部品と前記振動による騒音の放射面を備える前記作動機器のカバーとの間であって、低減対象とする騒音の周波数に一致する前記放射面の共振周波数における共振モードの腹部の位置に、締め代をもって挟み込まれるブロック状の制振ゴム、
を備えることを特徴とする騒音低減構造。 - 請求項1記載の騒音低減構造において、
前記カバーまたは前記内部部品における前記制振ゴムを挟み込む位置に突起を設け、前記制振ゴムに取付孔を設け、前記制振ゴムを前記取付孔をもって前記突起に差し込むことより前記制振ゴムを取り付けることを特徴とする騒音低減構造。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018218180 | 2018-11-21 | ||
JP2018218180 | 2018-11-21 | ||
PCT/JP2019/042821 WO2020105392A1 (ja) | 2018-11-21 | 2019-10-31 | 騒音低減構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2020105392A1 true JPWO2020105392A1 (ja) | 2021-02-25 |
Family
ID=70774502
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020558220A Pending JPWO2020105392A1 (ja) | 2018-11-21 | 2019-10-31 | 騒音低減構造 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20200355240A1 (ja) |
JP (1) | JPWO2020105392A1 (ja) |
CN (1) | CN111656013A (ja) |
WO (1) | WO2020105392A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116025557B (zh) * | 2021-10-25 | 2024-09-10 | 湖南科技大学 | 一种带声子晶体结构的轴向柱塞泵抑制振动噪声方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4716839Y1 (ja) * | 1970-05-15 | 1972-06-13 | ||
JPH05157047A (ja) * | 1991-12-05 | 1993-06-22 | Matsushita Electric Ind Co Ltd | 密閉型圧縮機の支持装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1067496A (zh) * | 1992-06-11 | 1992-12-30 | 冯淳 | 弹性连接室内体和室外体的整体空调器 |
KR100420520B1 (ko) * | 2001-10-05 | 2004-03-02 | 엘지전자 주식회사 | 대형 공기조화기의 실외기용 소음저감구조 |
SG157949A1 (en) * | 2004-07-28 | 2010-01-29 | Panasonic Refrigeration Device | System for reducing compressor noise and suspension spring and snubber arrangement therefor |
US7465156B2 (en) * | 2004-12-17 | 2008-12-16 | Lg Electronics Inc. | Apparatus for mounting compressor |
JP5208288B1 (ja) * | 2012-01-25 | 2013-06-12 | ヤマウチ株式会社 | コンプレッサ用防振ゴムおよびそれを用いたコンプレッサ |
CN205174614U (zh) * | 2015-12-03 | 2016-04-20 | 珠海格力电器股份有限公司 | 空调室外机及其减振降噪结构 |
JP6615020B2 (ja) * | 2016-03-21 | 2019-12-04 | 住友理工株式会社 | ダイナミックダンパ |
-
2019
- 2019-10-31 CN CN201980010555.5A patent/CN111656013A/zh active Pending
- 2019-10-31 WO PCT/JP2019/042821 patent/WO2020105392A1/ja active Application Filing
- 2019-10-31 US US16/962,776 patent/US20200355240A1/en not_active Abandoned
- 2019-10-31 JP JP2020558220A patent/JPWO2020105392A1/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4716839Y1 (ja) * | 1970-05-15 | 1972-06-13 | ||
JPH05157047A (ja) * | 1991-12-05 | 1993-06-22 | Matsushita Electric Ind Co Ltd | 密閉型圧縮機の支持装置 |
Also Published As
Publication number | Publication date |
---|---|
US20200355240A1 (en) | 2020-11-12 |
WO2020105392A1 (ja) | 2020-05-28 |
CN111656013A (zh) | 2020-09-11 |
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