JP2976229B2 - Compressor - Google Patents
CompressorInfo
- Publication number
- JP2976229B2 JP2976229B2 JP1301216A JP30121689A JP2976229B2 JP 2976229 B2 JP2976229 B2 JP 2976229B2 JP 1301216 A JP1301216 A JP 1301216A JP 30121689 A JP30121689 A JP 30121689A JP 2976229 B2 JP2976229 B2 JP 2976229B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- compressor
- duct
- intake
- 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
- 238000005192 partition Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000007423 decrease Effects 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002984 plastic foam Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
Landscapes
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、騒音の拡散を防止するために圧縮機本体お
よび駆動源等を防音箱内に収容した、いわゆるパッケー
ジ型の圧縮機に関する。Description: TECHNICAL FIELD The present invention relates to a so-called package type compressor in which a compressor body, a driving source, and the like are housed in a soundproof box in order to prevent noise diffusion.
（従来の技術） このパッケージ型の圧縮機においては、モータ等の駆
動源に発生する熱や圧縮機本体の流体圧縮で発生する熱
により防音箱内の温度が上昇して、圧縮効率や各部材の
耐久性の低下等を招くおそれがある。(Prior Art) In this package type compressor, the temperature inside the soundproof box rises due to the heat generated by a drive source such as a motor and the heat generated by fluid compression of the compressor body, and the compression efficiency and each member are increased. This may lead to a decrease in durability and the like.
このような状態になるのを避けるために、従来のもの
にあっては、例えば第５図に示すように、防音箱１のリ
アパネル２に吸気口３および排気口４を穿設するととも
に、内部を仕切り板５で上下に区画して上側、下側にそ
れぞれ吸気ダクト６、排気ダクト７を形成した一体型の
吸排気ダクト８を、前記吸気口３、排気口４に連通させ
てリアパネル２に取付け、吸気ダクト６を通して外気を
導入して圧縮機本体（図示省略）や駆動源（図示省略）
を冷却し、冷却によって暖まった空気を排気ダクト７を
通して外部へ排出するようにしていた。In order to avoid such a state, in a conventional apparatus, as shown in FIG. 5, for example, an intake port 3 and an exhaust port 4 are formed in the rear panel 2 of the soundproof box 1 and the inside is formed. Is divided vertically by a partition plate 5 and an integrated intake / exhaust duct 8 having an intake duct 6 and an exhaust duct 7 formed on the upper and lower sides, respectively, is communicated with the intake port 3 and the exhaust port 4 to form a rear panel 2. Attach, outside air is introduced through the intake duct 6, and the compressor body (not shown) and the drive source (not shown)
, And the air warmed by the cooling is discharged to the outside through the exhaust duct 7.
（発明が解決しようとする課題） しかしながら、上述した従来の圧縮機では、排気ダク
ト７を通過する暖まった空気により排気ダクト７が温度
上昇し、この熱が吸気ダクト６に伝達されて吸気ダクト
６の温度が上昇し、これに伴い防音箱１内に導入される
空気の温度が上昇する。このため、圧縮機の吸込空気の
温度が上昇し、圧縮機の圧縮効率が低下し吐出空気量が
減少する。また、冷却空気の温度も上昇しているので、
圧縮機本体を十分に冷却できず、圧縮機本体の寿命を縮
めるという問題点があった。(Problems to be Solved by the Invention) However, in the conventional compressor described above, the temperature of the exhaust duct 7 rises due to the warmed air passing through the exhaust duct 7, and this heat is transmitted to the intake duct 6, and The temperature of the air introduced into the soundproof box 1 increases accordingly. For this reason, the temperature of the suction air of the compressor increases, the compression efficiency of the compressor decreases, and the discharge air amount decreases. Also, since the temperature of the cooling air is rising,
There was a problem that the compressor body could not be cooled sufficiently and the life of the compressor body was shortened.
本発明は、上記問題点の解決を課題としてなされたも
ので、排気の熱が吸気に伝わるのを防止して防音室内の
温度上昇を抑え、この結果圧縮機本体の圧縮効率を高い
値に維持できて吐出液体量の低減を防止でき、かつ圧縮
機本体の寿命を縮めない圧縮機を提供することを目的と
する。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and prevents the heat of the exhaust from being transmitted to the intake to suppress the temperature rise in the soundproof room, thereby maintaining the compression efficiency of the compressor body at a high value. It is an object of the present invention to provide a compressor which can prevent the discharge liquid amount from being reduced and which does not shorten the life of the compressor body.
（課題を解決するための手段） 本発明は、上記目的を達成するために、圧縮機本体11
およびその駆動源（モータ12）を収容する防音箱９に、
仕切り板５により区画して吸気ダクト６および排気ダク
ト７を形成した吸排気ダクト８を取付け、吸気ダクト６
から取入れた空気を防音箱９内を流通させて排気ダクト
７から取出すようにした圧縮機において、前記排気ダク
ト７の開口面積に比して開口面積が大きい前記吸気ダク
ト６側に相当する前記仕切り板５の面部に吸音効果のあ
る断熱部材22を添着したことを特徴とする。(Means for Solving the Problems) In order to achieve the above object, the present invention provides a compressor
And a soundproof box 9 containing the drive source (motor 12),
An intake / exhaust duct 8 having an intake duct 6 and an exhaust duct 7 partitioned by a partition plate 5 is attached.
In which the air taken in from the compressor is made to flow through the soundproof box 9 and is taken out from the exhaust duct 7, the partition corresponding to the intake duct 6 having an opening area larger than the opening area of the exhaust duct 7. A heat insulating member 22 having a sound absorbing effect is attached to the surface of the plate 5.
（作用） 本発明は、上記のように構成したので、冷却して暖ま
った空気が排気ダクト７から排気されるとき、断熱部材
22が、排気の熱を遮ることにより、吸気ダクトを通して
吸入される空気の温度上昇を防止する。(Function) Since the present invention is configured as described above, when the air that has been cooled and warmed is exhausted from the exhaust duct 7, the heat insulating member is provided.
22 blocks the heat of the exhaust gas, thereby preventing the temperature of the air taken in through the intake duct from rising.
（実施例） 以下、本発明の一実施例を第１図ないし第４図に基い
て説明する。なお、第５図に示す部材と同一の部材は同
一の符号を付し、その説明は省略する。(Embodiment) An embodiment of the present invention will be described below with reference to FIGS. 1 to 4. The same members as those shown in FIG. 5 are denoted by the same reference numerals, and description thereof will be omitted.
図において、防音箱９には、吸込み口に設けてあるサ
イレンサ10を介して空気をを吸込んでこれを圧縮する圧
縮機本体11、圧縮機本体11の駆動源であるモータ12、圧
縮機本体11で圧縮された空気を貯留して所望に応じて圧
縮空気を供給するタンク13が収容されている。In the figure, a soundproof box 9 is provided with a compressor body 11 that sucks air through a silencer 10 provided at an inlet and compresses the air, a motor 12 which is a driving source of the compressor body 11, a compressor body 11 A tank 13 for storing the air compressed by the above and supplying the compressed air as required is accommodated.
圧縮機本体11の回転軸11aとモータ12の駆動軸12aには
それぞれプーリ14,15が取付けられており、これらプー
リ14,15にベルト16が掛け渡されている。また、圧縮機
本体11の回転軸11aに取付けられているプーリ14にはフ
アン17が一体に設けられており、回転することにより外
部から空気を防音箱９内に吸入するようになっている。Pulleys 14 and 15 are attached to the rotating shaft 11a of the compressor body 11 and the drive shaft 12a of the motor 12, respectively, and a belt 16 is stretched over these pulleys 14 and 15. Further, a fan 17 is integrally provided with the pulley 14 attached to the rotating shaft 11a of the compressor body 11, and the air is sucked into the soundproof box 9 from outside by rotating.
防音箱９のリアパネル18には、プーリ14に対応させて
丸孔形状の吸気口19が形成されている。また、吸気口19
の下側には、防音箱９内の冷却に利用されて暖まった空
気が排出される四角孔形状の排気口20が形成されてい
る。そして、リアパネル18には一体型の吸排気ダクト８
を、その吸気ダクト６、排気ダクト７をそれぞれ吸気口
19、排気口20に連通させて取付けてある。On the rear panel 18 of the soundproof box 9, a round-hole-shaped intake port 19 is formed corresponding to the pulley 14. In addition, the air inlet 19
On the lower side, a square hole-shaped exhaust port 20 from which warm air used for cooling the inside of the soundproof box 9 is discharged is formed. The rear panel 18 has an integrated intake and exhaust duct 8
And its intake duct 6 and exhaust duct 7
19, attached to the exhaust port 20.
なお、排気ダクト７は防音箱９内の空気を排出するた
めに第４図右側に向けて排出口7aを開口しており、吸気
ダクト６は排気ダクト７から排出された暖まった空気を
吸込まないように排出口7aと反対方向に向けて吸入口6a
（排出口7aの開口面積に比して、第３図及び第４図に示
されるように大きい開口面積とされている。）を開口し
ている。The exhaust duct 7 has an exhaust port 7a opening to the right in FIG. 4 to exhaust the air in the soundproof box 9, and the intake duct 6 sucks the warm air exhausted from the exhaust duct 7. So that it is in the opposite direction to the outlet 7a
(The opening area is larger than the opening area of the discharge port 7a as shown in FIGS. 3 and 4.).
吸気ダクト６の内部には、プーリ14と対向する面から
プーリ14に向かって吸気ガイド板21が固定されており、
吸入口6aから吸込まれてきた空気を吸気口19に案内して
防音箱９内に効率よく送り込めるようにしてある。Inside the intake duct 6, an intake guide plate 21 is fixed from a surface facing the pulley 14 toward the pulley 14,
The air sucked from the suction port 6a is guided to the suction port 19 so that the air can be efficiently sent into the soundproof box 9.
仕切り板５の上側（吸気ダクト６側）にはポリウレタ
ンフォーム製の断熱部材22が貼着されている。さらに、
吸気ダクト６の側面部6bの内側、リアパネル18の吸気ダ
クト６側および吸気ガイド板21の吸入口側にもそれぞれ
断熱部材23,24,25が貼着されている。On the upper side of the partition plate 5 (on the side of the intake duct 6), a heat insulating member 22 made of polyurethane foam is adhered. further,
Heat insulating members 23, 24, and 25 are also attached to the inside of the side surface 6b of the intake duct 6, the intake duct 6 side of the rear panel 18, and the intake port side of the intake guide plate 21, respectively.
このように構成された圧縮機では、モータ12を作動さ
せると、プーリ15、ベルト16およびプーリ14を介して圧
縮機本体11の回転軸11aが回転して圧縮機本体11が作動
するとともに、プーリ14の回転に伴いファン17により吸
気ダクト６を通して外気が防音箱９内に吸入される。す
ると、この空気の一部はサイレンサ10を介して圧縮機本
体11に吸入されて圧縮され、圧縮された空気がタンク13
に貯留される。また空気の一部は圧縮機本体11やモータ
12等から熱を奪ってこれらを冷却させるとともに温度上
昇し、この後排気ダクト７を通して外部に排出される。In the compressor configured as described above, when the motor 12 is operated, the rotating shaft 11a of the compressor main body 11 rotates through the pulley 15, the belt 16, and the pulley 14, and the compressor main body 11 operates. With the rotation of 14, outside air is sucked into the soundproof box 9 by the fan 17 through the intake duct 6. Then, a part of this air is sucked into the compressor body 11 through the silencer 10 and compressed, and the compressed air is stored in the tank 13.
Is stored in Some of the air is supplied to the compressor body 11 and the motor.
Heat is taken from the 12 and the like to cool them, and the temperature rises. Thereafter, they are discharged outside through the exhaust duct 7.
このとき、排気ダクト７において、排気により排気ダ
クト７が温度上昇しても、仕切り板５の上側の断熱部材
22によりこの熱が遮られる。また、たとえ排気ダクト７
の熱が吸気ダクト６や吸気ガイド板21に伝導して当該部
が温度上昇しても側面部6bの内側、吸気ガイド板21それ
ぞれの断熱部材23,25がこの熱を遮る。さらに、リアパ
ネル18の熱がリアパネル18の吸気ダクト６側に設けた断
熱部材24によって遮られる。この結果、吸気ダクト６を
通過する空気の温度上昇は確実に抑えられ、この温度上
昇していない空気を圧縮機が吸い込み、また、温度が上
昇していない空気により、圧縮機本体が冷却されるの
で、冷却も十分行なわれ圧縮効率が向上する。また、圧
縮機本体11を良好に冷却するので、圧縮機本体11の熱劣
化を防止できてその寿命を縮めることがない。さらに、
吸気時に大きな吸気音が発生してもポリウレタンフォー
ム製の弾性部材22がこの吸気音を吸収して周囲に拡散す
るのを防止する。At this time, in the exhaust duct 7, even if the temperature of the exhaust duct 7 rises due to the exhaust, the heat insulating member on the upper side of the partition plate 5
22 blocks this heat. Also, even if the exhaust duct 7
Even if the heat is transmitted to the intake duct 6 and the intake guide plate 21 and the temperature of the portion rises, the heat insulating members 23 and 25 of the intake guide plate 21 inside the side surface portion 6b block this heat. Further, heat of the rear panel 18 is blocked by a heat insulating member 24 provided on the rear panel 18 on the side of the intake duct 6. As a result, the rise in the temperature of the air passing through the intake duct 6 is reliably suppressed, and the air that has not risen in temperature is sucked by the compressor, and the air that does not rise in temperature cools the compressor body. Therefore, cooling is sufficiently performed and compression efficiency is improved. Further, since the compressor main body 11 is cooled well, thermal deterioration of the compressor main body 11 can be prevented and the life thereof is not shortened. further,
Even if a large intake noise is generated during intake, the elastic member 22 made of polyurethane foam absorbs the intake noise and prevents it from being diffused to the surroundings.
なお、本実施例では仕切り板５の吸気ダクト６側に弾
性部材22を設けた場合を例にしたが、本発明はこれに限
定されるものではなく仕切り板５の排気ダクト７側に弾
性部材22を設けるようにしてもよい。In this embodiment, the case where the elastic member 22 is provided on the side of the partition plate 5 on the intake duct 6 side is taken as an example. However, the present invention is not limited to this, and the elastic member 22 is provided on the side of the partition plate 5 on the side of the exhaust duct 7. 22 may be provided.
また、本実施例では、吸気ダクト６の側面部6bの内
側、吸気ガイド板21およびリアパネル18の吸気ダクト６
側にそれぞれ断熱部材23,24,25を設けた場合を例にした
が、周囲の冷却効果などにより当該部の温度上昇が小さ
い場合にはこれらに断熱部材23,24,25を設けなくてもよ
い。In this embodiment, the inside of the side surface portion 6b of the intake duct 6, the intake guide plate 21 and the intake duct 6 of the rear panel 18 are arranged.
Although the case where the heat insulating members 23, 24, 25 are provided on the respective sides has been described as an example, when the temperature rise of the relevant portion is small due to the cooling effect of the surroundings, it is not necessary to provide the heat insulating members 23, 24, 25 on these. Good.
また、本実施例では断熱部材22がポリウレタンフォー
ム製のものを用いた場合を例にしたが、本発明はこれに
限定されるものではなく、ポリスチレンなど他のプラス
チックフォーム製のものであってもよい。Further, in the present embodiment, the case where the heat insulating member 22 is made of polyurethane foam is used as an example.However, the present invention is not limited to this, and the heat insulating member 22 may be made of another plastic foam such as polystyrene. Good.
（発明の効果） 本発明は、以上説明したように、断熱部材が排気ダク
トから排気される空気の熱を遮ることにより、吸気ダク
トを通して吸入される空気の温度上昇を防止するので、
圧縮機本体を効率よく冷却してその圧縮効率を高く維持
できて吐出流体量の減少を招かず、また、圧縮機本体の
熱劣化を防止してその寿命を向上できる。(Effect of the Invention) As described above, according to the present invention, the heat insulating member blocks the heat of the air exhausted from the exhaust duct, thereby preventing the temperature of the air sucked through the intake duct from rising.
The compressor body can be efficiently cooled and its compression efficiency can be kept high, so that the discharge fluid amount does not decrease, and the compressor body can be prevented from being thermally degraded and its life can be improved.
さらに、ダクトからの音が吸音効果のある断熱部材に
より吸音され、ダクトから外部に漏れる音の拡散を防止
できる。Furthermore, the sound from the duct is absorbed by the heat insulating member having a sound absorbing effect, and the diffusion of the sound leaking from the duct to the outside can be prevented.
第１図は、本発明の一実施例の空気圧縮機を示す断面
図、第２図は第１図のII−II線断面図、第３図は第１図
のIII−III線断面図、第４図は同空気圧縮機の吸排気ダ
クトを示す横断面図、第５図は従来の圧縮機の一例を示
す斜視図である。 ５……仕切り板、６……吸気ダクト、７……排気ダク
ト、８……吸排気ダクト、９……防音箱、11……圧縮機
本体、12……モータ、22……断熱部材。1 is a sectional view showing an air compressor according to an embodiment of the present invention, FIG. 2 is a sectional view taken along line II-II of FIG. 1, FIG. 3 is a sectional view taken along line III-III of FIG. FIG. 4 is a cross-sectional view showing an intake and exhaust duct of the air compressor, and FIG. 5 is a perspective view showing an example of a conventional compressor. 5 ... partition plate, 6 ... intake duct, 7 ... exhaust duct, 8 ... intake and exhaust duct, 9 ... soundproof box, 11 ... compressor body, 12 ... motor, 22 ... heat insulating member.
Claims (1)
音箱に、仕切り板により区画した吸気ダクトと排気ダク
トとを取付け、前記吸気ダクトから取入れた空気を防音
箱内を流通させて前記排気ダクトから取出すようにした
圧縮機において、前記排気ダクトの開口面積に比して開
口面積が大きい前記吸気ダクト側に相当する前記仕切り
板の面部に吸音効果のある断熱部材を添着したことを特
徴とする圧縮機。An air intake duct and an exhaust duct partitioned by a partition plate are attached to a soundproof box that houses a compressor body and a drive source thereof, and air taken in from the air intake duct flows through the soundproof box to exhaust the air. In the compressor configured to be taken out from the duct, a heat insulating member having a sound absorbing effect is attached to a surface of the partition plate corresponding to the intake duct having a larger opening area than the opening area of the exhaust duct. Compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1301216A JP2976229B2 (en) | 1989-11-20 | 1989-11-20 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1301216A JP2976229B2 (en) | 1989-11-20 | 1989-11-20 | Compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03164583A JPH03164583A (en) | 1991-07-16 |
| JP2976229B2 true JP2976229B2 (en) | 1999-11-10 |
Family
ID=17894184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1301216A Expired - Fee Related JP2976229B2 (en) | 1989-11-20 | 1989-11-20 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2976229B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378119A (en) * | 1994-02-15 | 1995-01-03 | Goertzen; Dennis D. | Air compressor having ventilated housing and motor/compressor pulley adjustment |
-
1989
- 1989-11-20 JP JP1301216A patent/JP2976229B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03164583A (en) | 1991-07-16 |
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