JPH03107689A - Valve device - Google Patents
Valve deviceInfo
- Publication number
- JPH03107689A JPH03107689A JP24748089A JP24748089A JPH03107689A JP H03107689 A JPH03107689 A JP H03107689A JP 24748089 A JP24748089 A JP 24748089A JP 24748089 A JP24748089 A JP 24748089A JP H03107689 A JPH03107689 A JP H03107689A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- boss
- silencer
- valve device
- 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.)
- Granted
Links
Landscapes
- Details Of Valves (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野〕
この発明は、ハウジング内に設けられた弁体が全開時に
は弁座部に当接して流体通路を遮断し。DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) In the present invention, when the valve body provided in the housing is fully opened, it comes into contact with the valve seat and blocks the fluid passage.
全開時には上記弁体が弁座部から離間して上記流体通路
を開口する弁装置に関する。The present invention relates to a valve device in which the valve body separates from the valve seat portion to open the fluid passage when fully opened.
従来、内燃機関用過給圧制御弁装置に設けられる弁装置
の一例として、第４図に示されるものが知られている６
図において、（１）は円筒状のハウジング、（２）はハ
ウジング（１）に突設され、過給機（図示せず）の上流
側に連通した流体通路であるバイパス配管、（３）はハ
ウジング（１）の上部に取付けられたケース、（４）は
ケース（３）に取付けられ、スロットル弁（図示せず）
の下流側と連通したニップルである。Conventionally, as an example of a valve device provided in a boost pressure control valve device for an internal combustion engine, the one shown in FIG. 4 is known6.
In the figure, (1) is a cylindrical housing, (2) is a bypass pipe that protrudes from the housing (1) and communicates with the upstream side of a supercharger (not shown), and (3) is a A case (4) is attached to the upper part of the housing (1), and a throttle valve (not shown) is attached to the case (3).
It is a nipple that communicates with the downstream side of.
（５）は第１のホルダー（６）と第２のホルダー（７）
との間に挾まれ、周縁部がハウジング（１）とケース（
３）とに挾持されたダイヤフラム、（８）は一端が第１
のホルダー（６）に当接されて、ハウジング（１）内に
設けられたスプリング、（９）は一端が第１及び第２の
ホルダー（６）、（７）に固着され、他端が円板状の弁
体（１０）に固着されたロッド、（１１）はボス（１４
）の内部に設けられ、ロッド（９）を案内するブツシュ
である。(5) is the first holder (6) and the second holder (7)
is sandwiched between the housing (1) and the case (
3) a diaphragm held between (8), one end of which is
A spring (9) is provided in the housing (1) and is in contact with the holder (6) of The rod (11) is fixed to the plate-shaped valve body (10), and the boss (14)
) is a bushing that is provided inside the rod (9) and guides the rod (9).
次に、上記のように構成された従来の過給圧制御弁装置
の動作について説明する。自動車の中及び高負荷運転状
態においては、スロットル弁は全開状態に近く、また過
給機の過給効果によって。Next, the operation of the conventional boost pressure control valve device configured as described above will be explained. In the medium and high-load operating conditions of a car, the throttle valve is close to fully open, and due to the supercharging effect of the supercharger.
スロットル弁の上流側及び下流側は共に高正圧伏態にあ
り、ニップル（４）に通じた圧力室（１２）の内部には
正圧が印加され、ダイアフラム（５）にはスプリング（
８）により弁体（１０）の閉弁方向の付勢力が働き、弁
体（１０）が弁座部（１３）に当接し、弁体（１２）は
完全開弁状態にある。Both the upstream and downstream sides of the throttle valve are in a high positive pressure state, positive pressure is applied inside the pressure chamber (12) communicating with the nipple (4), and the diaphragm (5) has a spring (
8) acts to bias the valve body (10) in the valve closing direction, the valve body (10) comes into contact with the valve seat (13), and the valve body (12) is in a fully open state.
上記中及び高負荷運転状態からスロットル弁が急閉弁す
る減速運転に変化すると、スロットル弁の下流側の圧力
は高負圧に変化して圧力室（１２）は高負圧となる。す
ると、弁体（１０）がスプリング（８）の弾発力に逆ら
って上動し、開弁するため、スロットル弁の上流側の異
常昇圧は防止される。When the medium and high load operating conditions change to deceleration operation in which the throttle valve suddenly closes, the pressure on the downstream side of the throttle valve changes to high negative pressure, and the pressure chamber (12) becomes high negative pressure. Then, the valve body (10) moves upward against the elastic force of the spring (8) and opens the valve, thereby preventing abnormal pressure increase on the upstream side of the throttle valve.
しかしながら、上記のように構成された従来の過給圧制
御弁装置においては、弁体（１０）と弁座部（１３）と
の間が微小開度のときに流通する圧力空気によって気流
音が発生するという問題があった。However, in the conventional boost pressure control valve device configured as described above, airflow noise is generated by the pressurized air flowing when the valve body (10) and the valve seat (13) are slightly opened. There was a problem that occurred.
本発明は、上記のような問題点を解決するためになされ
たもので、消音性能に優れた弁装置を提供することを目
的とする。The present invention was made in order to solve the above problems, and an object of the present invention is to provide a valve device with excellent noise reduction performance.
この発明に係る弁装置は、ハウジング内に設けられた弁
体が全開時には弁座部に当接して流体通路を遮断し、全
開時には上記弁体が弁座部から離間して上記流体通路を
開口する弁装置において、上記ハウジング内及び上記流
体通路内の少なくともいずれか一方に共鳴型消音器を備
えたものである。In the valve device according to the present invention, the valve body provided in the housing contacts the valve seat portion to block the fluid passage when fully opened, and the valve body separates from the valve seat portion to open the fluid passage when fully opened. In the valve device, a resonance muffler is provided in at least one of the housing and the fluid passage.
この発明に係る弁装置においては、弁体と弁座部との間
に微小開度が生じたときには気流音が発生するが、この
気流音は共鳴型消音器により消音される。In the valve device according to the present invention, airflow noise is generated when a minute opening occurs between the valve body and the valve seat, but this airflow noise is muffled by the resonance type muffler.
以下、この発明の実施例を図について説明する。 Embodiments of the present invention will be described below with reference to the drawings.
第１図はこの発明第１の実施例を示す断面図であり、従
来装置を示した第４図と同−又は相当部分は同一符号を
付し、その詳細な説明は省略する。FIG. 1 is a sectional view showing a first embodiment of the present invention, and the same or equivalent parts as in FIG. 4 showing a conventional device are given the same reference numerals, and detailed explanation thereof will be omitted.
図において、（２０）はボス（１４）の下面に設けられ
た共鳴型消音器であり、弁体（１０）と弁座部（１３）
との間に微小開度が生じたときに発生する気流音を消音
させるものである。この共鳴型消音器（２０）は筒状で
あり、上方には開口部（２０ａ）が、下方には嵌合部（
２０ｂ）が設けられており、また下面（２０ｃ）の周方
向には複数の穴（２０ｃｌ）が形成されている。そして
、この共鳴型消音器（２０）は、ボス（１４）に嵌合部
（２０ｂ）を圧入して嵌合され、ボス（１４）の下面に
開口部（２０ａ）の端縁部を当接させて、固定されてい
る。これにより、共鳴型消音器（２０）はボス（１４）
側において所定の内容積を有する中空部（２０ｅ）を形
成し、この気流音の消音作用を生じるようになっている
。In the figure, (20) is a resonance type muffler provided on the lower surface of the boss (14), and the valve body (10) and the valve seat part (13)
This is to muffle the airflow noise that occurs when a minute opening occurs between the two. This resonance type muffler (20) has a cylindrical shape, and has an opening (20a) at the top and a fitting part (20a) at the bottom.
20b), and a plurality of holes (20cl) are formed in the circumferential direction of the lower surface (20c). The resonant silencer (20) is fitted into the boss (14) by press-fitting the fitting part (20b), and the end edge of the opening (20a) is brought into contact with the lower surface of the boss (14). Let it be fixed. As a result, the resonant silencer (20) is connected to the boss (14).
A hollow portion (20e) having a predetermined internal volume is formed on the side to produce a muffling effect on the air flow noise.
次に、この中空部（２０ｅ）により第１の実施例に係る
弁装置の騒音測定について説明する。騒音測定において
は上記弁装置を使用し、従来例及び本実施例のそれぞれ
について、同一条件で騒音を測定し、さらに周波数分析
を行った。測定に使用した弁装置は、バイパス配管（２
）の内径ｄ１が２５ｍｍ、弁孔（ｌａ）の内径ｄ２が４
０ｍｍ、弁体（１０）の外形ｄ、が３１ａｍ、弁座（１
３）の内径ｄ４が２５ｍｍのものであった。Next, noise measurement of the valve device according to the first embodiment using this hollow portion (20e) will be explained. In the noise measurement, the above-mentioned valve device was used, and the noise was measured under the same conditions for both the conventional example and the present example, and further frequency analysis was performed. The valve device used for measurement was bypass piping (2
) The inner diameter d1 of the valve hole (la) is 25 mm, and the inner diameter d2 of the valve hole (la) is 4 mm.
0mm, the outer diameter d of the valve body (10) is 31am, the valve seat (1
3) had an inner diameter d4 of 25 mm.
本実施例の共鳴型消音器（２０）の周波数は次の式で表
すことができる。The frequency of the resonance type muffler (20) of this embodiment can be expressed by the following equation.
（ｆ：共振周波数、Ｃ：音速、Ｎ：穴の個数、Ｑ：穴の
実質長さ、Ｖ；消音器の内容積、Ａ：六面積）ここで、
上記ｆ。は、バルブ微小開度時の気流音発生周波数に設
定することにより効果的にバルブ気流音を消音できる共
振周波数である。このバルブ気流音の共振周波数が、従
来装置では４６００Ｈｚ（１次） 、 ９２００Ｈｚ
（２次）であったことから、下面（２０ｃ）の周方向に
設けた穴（２０ｄ）の個数Ｎを１３個、各穴（２０ｄ）
の大きさを直径３ＩＩＩＩｎ、中空部（２０ｅ）の内容
積Ｖを４Ｃ１１、穴（２０ｄ）の実質長さＱを５．８ｍ
ｍ（ただし、板厚１ｍｍで穴径による補正を行ったもの
）としている。(f: resonance frequency, C: speed of sound, N: number of holes, Q: actual length of holes, V: internal volume of the silencer, A: six areas) where,
Above f. is a resonant frequency that can effectively muffle the valve airflow sound by setting it to the airflow sound generation frequency when the valve is slightly opened. The resonance frequency of this valve air flow sound is 4600Hz (first order) and 9200Hz in the conventional device.
(20d), the number N of holes (20d) provided in the circumferential direction of the lower surface (20c) is 13, and each hole (20d)
The diameter is 3IIIn, the internal volume V of the hollow part (20e) is 4C11, and the actual length Q of the hole (20d) is 5.8 m.
m (provided that the plate thickness is 1 mm and the hole diameter has been corrected).
そして、気流音の発生条件としては、弁体（１０）の下
部圧力を＋２０ｍｍＨｇとし、弁体（１０）の開弁量を
２．５ｍｍとしたものであり、この時のバルブ気流音を
測定した。なお、測定場所はバイパス配管（２）の出口
直近とし、騒音計は環境測定用の計器を使用し、Ａレン
ジにセットした。また１周波数分析器としては高速フー
リエ変換器を使用した。 第５図に本実施例の弁装置の
測定結果、第６図に従来装置の測定結果を示す。第５図
及び第６図から明らかなように、共鳴型消音器（２０）
が設けられていない従来の弁装置から発生した気流音の
周波数は、そのピークが４６００Ｈｚ（１次）、９２０
０Ｈｚ（２次）であったのに対し、本実施例では、その
ピークが従来装置の場合の約２０ｄＢ程度に低減し、気
流音が大幅に低下することが明らかとなった。The air flow noise generation conditions were as follows: the lower pressure of the valve body (10) was +20 mmHg, and the valve opening amount of the valve body (10) was 2.5 mm, and the valve air flow sound at this time was measured. . The measurement location was near the outlet of the bypass pipe (2), and the noise meter was an environmental measurement instrument and was set in the A range. Moreover, a fast Fourier transformer was used as a single frequency analyzer. FIG. 5 shows the measurement results of the valve device of this embodiment, and FIG. 6 shows the measurement results of the conventional device. As is clear from FIGS. 5 and 6, the resonance type silencer (20)
The frequency of air flow sound generated from a conventional valve device without a
While it was 0 Hz (secondary), in this example, the peak was reduced to about 20 dB in the case of the conventional device, and it became clear that the air flow noise was significantly reduced.
以上のように、上記第１実施例では、ボス（１４）の下
部に共鳴型消音器（２０）を設けたことにより、バルブ
気流音の発生を有効に低減させることができた。また、
この共鳴型消音器（２０）は上記のように、ハウジング
（１）内に内蔵することができるので、外部に特別の消
音装置を設ける必要がない。As described above, in the first embodiment, by providing the resonant muffler (20) under the boss (14), it was possible to effectively reduce the occurrence of valve air flow noise. Also,
As described above, this resonance type muffler (20) can be built into the housing (1), so there is no need to provide a special muffler externally.
第２図はこの発明の第２実施例を示し、弁体（１０）の
上面に共鳴型消音器（２１）を設けたものである。FIG. 2 shows a second embodiment of the invention, in which a resonant muffler (21) is provided on the upper surface of the valve body (10).
この共鳴型消音器（２１）は、下方の開口を嵌合部（２
１ａ）とし、上方に開口部（２１ｂ）を設け、また上面
（２Ｌｃ）の周方向に複数の穴（２１ｄ）を形成してい
る。そして、この共鳴型消音器（２１）は、弁体（１０
）の外周縁（１０ａ）に嵌合部（２１ａ）の端縁を圧入
により嵌合して、弁体（１０）に固定している。これに
より、弁体（１０）の上部側において、所定の内容積を
有する中空部（２０ｅ）が形成され、気流音の消音作用
を奏することができる。This resonance type muffler (21) has a lower opening connected to a fitting part (2).
1a), an opening (21b) is provided above, and a plurality of holes (21d) are formed in the circumferential direction of the upper surface (2Lc). This resonance type muffler (21) has a valve body (10
) The end edge of the fitting part (21a) is press-fitted into the outer peripheral edge (10a) of the valve body (10) and fixed to the valve body (10). As a result, a hollow portion (20e) having a predetermined internal volume is formed on the upper side of the valve body (10), and it is possible to perform a silencing effect on airflow noise.
第３図はこの発明の第３実施例を示し、バイパス配管（
２）の内周壁（２ａ）に共鳴型消音器（２２）を設けた
ものである。この共鳴型消音器（２２）は、円筒状で、
その一端に鍔部（２２ａ）を設け、外周面（２２ｃ）に
は複数の穴（２２ｄ）を形成している。一方、バイパス
配管（２）の内周壁（２ａ）には、異径部（２ｂ）と嵌
合部（２ｃ）とを設けており、この嵌合部（２Ｃ）に共
鳴型消音器（２２）の他端を圧入により嵌合し、バイパ
ス配管（２）の端縁に鍔部（２２ａ）を当接して、共鳴
型消音器（２２）をバイパス配管（２）内に固定してい
る。FIG. 3 shows a third embodiment of the present invention, in which bypass piping (
2), a resonant muffler (22) is provided on the inner circumferential wall (2a). This resonance type muffler (22) has a cylindrical shape,
A flange (22a) is provided at one end, and a plurality of holes (22d) are formed in the outer peripheral surface (22c). On the other hand, the inner circumferential wall (2a) of the bypass pipe (2) is provided with a different diameter portion (2b) and a fitting portion (2c), and a resonant silencer (22) is provided in the fitting portion (2C). The other end is press-fitted, and the collar (22a) is brought into contact with the edge of the bypass pipe (2), thereby fixing the resonance muffler (22) within the bypass pipe (2).
これにより、共鳴型消音器（２２）と異径部（２ｂ）と
の間に、所定の内容積を有し、消音作用を奏する中空部
（２０ｅ）が形成されもので・ある。As a result, a hollow part (20e) having a predetermined internal volume and exhibiting a sound-dampening effect is formed between the resonance type muffler (22) and the different diameter part (2b).
なお、上記各実施例では、消音作用を１系統の音のみに
対して対応させているが、各共鳴型消音器（２ｏ） 、
（２１）、 （２２）の中空部（２０ｅ） 、 （２
１ｅ） 、 （２２ｅ）をいくつかの室に分割し、それ
ぞれの目的に応じた穴を設けることにより、数種の系統
の音を同時に消音することもできる。In each of the above embodiments, the silencing effect is applied to only one system of sound, but each resonance type muffler (2o),
Hollow part (20e) of (21), (22), (2
By dividing 1e) and (22e) into several chambers and providing holes for each purpose, it is also possible to mute several types of sounds at the same time.
また、上記各実施例では、弁装置として過給圧制御弁装
置について説明したが、この発明は、弁体が全閉時には
弁座部に当接して流体通路を遮断し、全開時には弁体が
弁座部から離間して上記流体通路を開口する弁装置に適
用することができることは勿論である。Further, in each of the above embodiments, a supercharging pressure control valve device has been described as a valve device, but in this invention, when the valve body is fully closed, the valve body contacts the valve seat part and blocks the fluid passage, and when the valve body is fully open, the valve body is Of course, the present invention can be applied to a valve device that opens the fluid passage apart from the valve seat.
以上説明したように、この発明の弁装置は、ハウジング
内及びよび流体通路内の少なくともいづれか一方に共鳴
型消音器を設けるという簡単な構成により、弁体と弁座
部との間に微小開度が生じたときに発生する気流音が共
鳴型消音器により消音される結果、優れた消音性能を有
するという効果がある。As explained above, the valve device of the present invention has a simple configuration in which a resonant muffler is provided in at least one of the housing and the fluid passage, so that a minute opening can be created between the valve body and the valve seat. As a result of the resonance type muffler muffling the air flow noise generated when the air flow occurs, the resonant muffler has an effect of having excellent muffling performance.
第１図はこの発明の第１の実施例を示す断面図、第２図
はこの発明の第２の実施例を示す断面図、第３図はこの
発明の第３の実施例を示す断面図。
第４図は従来の過給圧制御弁装置の一例を示す断面図、
第５図は第１の実施例のバルブ気流音の周波数分析デー
タ、第６図は従来の過給圧制御弁装置のバルブ気流音の
周波数分析データである。
図において、（１）はハウジング、（２）はバイパス配
管、 （１０）は弁体、（１３）は弁座部、 （２０）
、（２１）、（２２）は共鳴型消音器である。
なお、各図中、同一符号は同一または相当部分を示す。Fig. 1 is a sectional view showing a first embodiment of the invention, Fig. 2 is a sectional view showing a second embodiment of the invention, and Fig. 3 is a sectional view showing a third embodiment of the invention. . FIG. 4 is a sectional view showing an example of a conventional boost pressure control valve device,
FIG. 5 shows frequency analysis data of the valve airflow sound of the first embodiment, and FIG. 6 shows frequency analysis data of the valve airflow sound of the conventional boost pressure control valve device. In the figure, (1) is the housing, (2) is the bypass piping, (10) is the valve body, (13) is the valve seat, (20)
, (21) and (22) are resonant silencers. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
当接して流体通路を遮断し、全開時には上記弁体が弁座
部から離間して上記流体通路を開口する弁装置において
、上記ハウジング内及び上記流体通路内の少なくともい
ずれか一方に共鳴型消音器を備えた弁装置。In the valve device, the valve body provided in the housing contacts the valve seat portion to block the fluid passage when fully closed, and the valve body separates from the valve seat portion to open the fluid passage when fully opened, the housing A valve device comprising a resonant muffler in at least one of the inside and the fluid passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1247480A JP2600922B2 (en) | 1989-09-21 | 1989-09-21 | Valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1247480A JP2600922B2 (en) | 1989-09-21 | 1989-09-21 | Valve device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03107689A true JPH03107689A (en) | 1991-05-08 |
| JP2600922B2 JP2600922B2 (en) | 1997-04-16 |
Family
ID=17164087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1247480A Expired - Lifetime JP2600922B2 (en) | 1989-09-21 | 1989-09-21 | Valve device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2600922B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100544154B1 (en) * | 2003-12-15 | 2006-01-23 | 주식회사 대우일렉트로닉스 | Vegetable box automatic closing device of refrigerator |
| JP2007098022A (en) * | 2005-10-07 | 2007-04-19 | Japan Absorbent Technology Institute | Mounting tool and mounting unit of absorbent product for male, and body fluid treatment article for male |
| JP2010082122A (en) * | 2008-09-30 | 2010-04-15 | Sun Wave Ind Co Ltd | Cabinet |
| JP4714298B1 (en) * | 2010-08-13 | 2011-06-29 | 妙子 鈴木 | Disposable urine pad for men |
| JP2019105391A (en) * | 2017-12-12 | 2019-06-27 | 三菱重工サーマルシステムズ株式会社 | Sound absorption element for refrigeration cycle system, decompression unit including the same, and refrigeration cycle system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6068368U (en) * | 1983-10-17 | 1985-05-15 | カルソニックカンセイ株式会社 | expansion valve |
| JPS63111376A (en) * | 1986-10-27 | 1988-05-16 | Yamatake Honeywell Co Ltd | Low noise valve |
| JPH0216872U (en) * | 1988-07-20 | 1990-02-02 |
-
1989
- 1989-09-21 JP JP1247480A patent/JP2600922B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6068368U (en) * | 1983-10-17 | 1985-05-15 | カルソニックカンセイ株式会社 | expansion valve |
| JPS63111376A (en) * | 1986-10-27 | 1988-05-16 | Yamatake Honeywell Co Ltd | Low noise valve |
| JPH0216872U (en) * | 1988-07-20 | 1990-02-02 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100544154B1 (en) * | 2003-12-15 | 2006-01-23 | 주식회사 대우일렉트로닉스 | Vegetable box automatic closing device of refrigerator |
| JP2007098022A (en) * | 2005-10-07 | 2007-04-19 | Japan Absorbent Technology Institute | Mounting tool and mounting unit of absorbent product for male, and body fluid treatment article for male |
| JP2010082122A (en) * | 2008-09-30 | 2010-04-15 | Sun Wave Ind Co Ltd | Cabinet |
| JP4714298B1 (en) * | 2010-08-13 | 2011-06-29 | 妙子 鈴木 | Disposable urine pad for men |
| JP2012040054A (en) * | 2010-08-13 | 2012-03-01 | Taeko Suzuki | Disposable urine absorbing pad for male |
| JP2019105391A (en) * | 2017-12-12 | 2019-06-27 | 三菱重工サーマルシステムズ株式会社 | Sound absorption element for refrigeration cycle system, decompression unit including the same, and refrigeration cycle system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2600922B2 (en) | 1997-04-16 |
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