JPH09133081A - Air compressor device - Google Patents
Air compressor deviceInfo
- Publication number
- JPH09133081A JPH09133081A JP31481995A JP31481995A JPH09133081A JP H09133081 A JPH09133081 A JP H09133081A JP 31481995 A JP31481995 A JP 31481995A JP 31481995 A JP31481995 A JP 31481995A JP H09133081 A JPH09133081 A JP H09133081A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- air compressor
- oil level
- compressor
- air
- 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.)
- Withdrawn
Links
Landscapes
- Compressor (AREA)
- Control Of Positive-Displacement Pumps (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は油冷式の空気圧縮機
を具備する空気圧縮装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air compressor equipped with an oil-cooled air compressor.
【０００２】[0002]
【従来の技術】従来のこの種空気圧縮装置の略示的系統
図が図２に示されている。油冷式の圧縮機１をモータ36
によって駆動すると、空気がエアフィルタ２、逆止弁
３、吸気管４を経て圧縮機１に吸入されて圧縮される。
圧縮機１から吐出された圧縮空気は吐出管５を通ってオ
イルセパレータ６内に導入され、この内部で転向するこ
とによって圧縮空気中に含まれる油の大部分が分離され
る。2. Description of the Related Art A schematic system diagram of a conventional air compressor of this type is shown in FIG. The oil-cooled compressor 1 has a motor 36
When driven by, the air is sucked into the compressor 1 through the air filter 2, the check valve 3, and the intake pipe 4 and compressed.
The compressed air discharged from the compressor 1 is introduced into the oil separator 6 through the discharge pipe 5, and is turned inside to separate most of the oil contained in the compressed air.
【０００３】次いで、この圧縮空気は円筒状のオイルセ
パレータエレメント７を流過する過程で残存する油を分
離した後、逆止弁８、可撓性ホース９、開閉操作弁10を
通って需要先に供給される。Next, after this compressed air separates the oil remaining in the process of passing through the cylindrical oil separator element 7, it passes through the check valve 8, the flexible hose 9, and the opening / closing operation valve 10 to be demanded. Is supplied to.
【０００４】オイルセパレータ６で圧縮空気から分離さ
れた油は滴下してオイルセパレータ６内下部に一旦貯溜
される。そして、この油Ｏはオイルセパレータ６の底部
から返油管11により抽出され、可撓性ホース12を経てオ
イルクーラ13内に入り、ここでフアン29により送風され
る外気によって冷却された後、可撓性ホース14、温調弁
15、オイルフィルタ16、電磁開閉弁17、オリフィス18を
経て吸気管４内に入り、この中を流過する空気に伴われ
て圧縮機１内に吸入される。The oil separated from the compressed air by the oil separator 6 drops and is temporarily stored in the lower part of the oil separator 6. The oil O is extracted from the bottom of the oil separator 6 by the oil return pipe 11, enters the oil cooler 13 via the flexible hose 12, is cooled by the outside air blown by the fan 29, and is then flexible. Sex hose 14, temperature control valve
After passing through 15, the oil filter 16, the electromagnetic on-off valve 17, and the orifice 18, the air enters the intake pipe 4 and is sucked into the compressor 1 along with the air flowing therein.
【０００５】オイルセパレータエレメント７によって圧
縮空気から分離された油はオイルセパレータエレメント
７の下端開口を掩蓋するオイルパン7A内に溜り、吸上管
19、逆止弁20、キャピラリチューブ21を経て吸気管４内
に入り、この中を流過する空気に伴われて圧縮機１内に
吸入される。The oil separated from the compressed air by the oil separator element 7 accumulates in the oil pan 7A that covers the lower end opening of the oil separator element 7, and the suction pipe
The air enters the intake pipe 4 through the check valve 20, the check valve 20, and the capillary tube 21, and is sucked into the compressor 1 along with the air flowing therein.
【０００６】温調弁15を通る油の温度が所定温度以下に
低下したとき、温調弁15が開となる。これによって油は
返油管11からバイパス管22、温調弁15を通ってオイルフ
ィルタ16に導かれる。なお、23は空気抜き管で、この空
気抜き管23には安全弁24、圧力スイッチ25、圧力計26、
電磁開閉弁27が介装されている。When the temperature of the oil passing through the temperature control valve 15 drops below a predetermined temperature, the temperature control valve 15 opens. As a result, oil is guided from the oil return pipe 11 to the oil filter 16 through the bypass pipe 22 and the temperature control valve 15. In addition, 23 is an air vent pipe, and this air vent pipe 23 has a safety valve 24, a pressure switch 25, a pressure gauge 26,
An electromagnetic opening / closing valve 27 is provided.
【０００７】[0007]
【発明が解決しようとする課題】上記従来の空気圧縮装
置においては、オイルセパレータ６から需要先に供給さ
れる圧縮空気中に微量の油が含まれているため、空気圧
縮装置の運転時間が長くなるのに伴ってオイルセパレー
タ６内下部に貯溜されている油Ｏの量が徐々に減少す
る。In the above conventional air compressor, since the compressed air supplied from the oil separator 6 to the demand destination contains a small amount of oil, the operating time of the air compressor is long. As a result, the amount of oil O stored in the lower portion inside the oil separator 6 gradually decreases.
【０００８】この油Ｏが所定量以下に減少すると、圧縮
機１への油供給量が減少し或いは圧縮機１に油を供給で
きなくなって圧縮機１のシール及び潤滑ができなくなる
とともにその温度が異常に上昇して圧縮機１が損傷する
という問題があった。When the amount of this oil O decreases below a predetermined amount, the amount of oil supplied to the compressor 1 decreases or oil cannot be supplied to the compressor 1 so that the compressor 1 cannot be sealed and lubricated, and its temperature is There was a problem that the compressor 1 was abnormally raised and damaged.
【０００９】[0009]
【課題を解決するための手段】本発明は上記課題を解決
するために発明されたものであって、その要旨とすると
ころは、油冷式の空気圧縮機と、この空気圧縮機で圧縮
された圧縮空気から油を分離するオイルセパレータと、
このオイルセパレータで分離された油を上記空気圧縮機
の吸入側へ戻す油回路を備えた空気圧縮装置において、
上記オイルセパレータの内部に貯溜された油の油面を検
知する油面検知器を設け、この油面検知器によって検知
された油面が設定油面に低下したとき警報を発する警報
手段を設けるとともに上記設定油面に低下後の運転時間
が設定時間に到達したとき上記空気圧縮機の運転を自動
停止する圧縮機停止手段を設けたことを特徴とする空気
圧縮装置にある。The present invention has been invented to solve the above-mentioned problems, and the gist thereof is to provide an oil-cooled air compressor and a compressor that is compressed by this air compressor. An oil separator that separates oil from compressed air
In an air compressor equipped with an oil circuit that returns the oil separated by this oil separator to the suction side of the air compressor,
An oil level detector for detecting the oil level of the oil stored inside the oil separator is provided, and an alarm means is provided for issuing an alarm when the oil level detected by this oil level detector drops to the set oil level. An air compressor is characterized in that compressor stop means is provided for automatically stopping the operation of the air compressor when the operating time after reduction reaches the set time on the set oil level.
【００１０】しかして、油面検知器によって検知された
油面が設定油面に低下したとき、警報手段によって警報
が発せられ、その後の運転時間が設定時間に到達したと
き圧縮機停止手段によって空気圧縮機の運転を自動停止
する。When the oil level detected by the oil level detector drops to the set oil level, an alarm is issued by the alarm means, and when the subsequent operating time reaches the set time, the compressor stop means turns on the air. Automatically stop the compressor operation.
【００１１】[0011]
【発明の実施の形態】本発明の実施形態が図１に示され
ている。オイルセパレータ６にはその内部に貯溜された
油Ｏの油面OLを検知する油面検知器30が設けられてい
る。この油面検知器30によって検知された油面はコント
ローラ40の判定手段41に入力され、ここで油面設定手段
42から入力された設定油面と比較される。DETAILED DESCRIPTION OF THE INVENTION An embodiment of the invention is shown in FIG. The oil separator 6 is provided with an oil level detector 30 for detecting the oil level OL of the oil O stored therein. The oil level detected by this oil level detector 30 is input to the determination means 41 of the controller 40, where the oil level setting means
It is compared with the set oil level input from 42.
【００１２】油面OLが低下して設定油面に到達したとき
判定手段44は圧縮機自動停止手段43に出力すると同時に
ランプ、ブザー等の警報手段44に出力して直ちに警報を
発生させる。圧縮機自動停止手段43は時間設定手段45に
設定された設定時間( 例えば、８時間）が経過したとき
空気圧縮機１の駆動モータ36に出力してこれを停止させ
る。他の構成は図２に示す従来のものと同様であり、対
応する部材には同じ符号を付してその説明を省略する。When the oil level OL decreases and reaches the set oil level, the determination means 44 outputs to the compressor automatic stop means 43 and at the same time outputs to the alarm means 44 such as a lamp and a buzzer to immediately generate an alarm. When the set time (for example, 8 hours) set in the time setting means 45 has elapsed, the compressor automatic stop means 43 outputs it to the drive motor 36 of the air compressor 1 to stop it. The other configuration is the same as that of the conventional one shown in FIG. 2, and the corresponding members are denoted by the same reference numerals and description thereof will be omitted.
【００１３】しかして、オイルセパレータ６の内部に貯
溜された油Ｏが減少して危険油面に近接したときこれを
警報することによって運転者に油の補給を促すことがで
きる。Thus, when the oil O stored inside the oil separator 6 decreases and approaches the dangerous oil level, an alarm is issued to prompt the driver to replenish the oil.
【００１４】その後、設定時間に到達するまで、即ち、
油面OLが危険油面に到達するまで空気圧縮装置の運転を
継続できるので、この間にオイルセパレータ６内に油を
容易に補充できる。After that, until the set time is reached, that is,
Since the operation of the air compression device can be continued until the oil level OL reaches the dangerous oil level, the oil can be easily replenished in the oil separator 6 during this period.
【００１５】そして、設定時間に到達したとき空気圧縮
機１の運転が自動的に停止されるので、空気圧縮機１の
損傷を防止できる。Since the operation of the air compressor 1 is automatically stopped when the set time is reached, damage to the air compressor 1 can be prevented.
【００１６】[0016]
【発明の効果】本発明においては、オイルセパレータの
内部に貯溜された油が減少して油面が設定油面に低下し
たとき、即ち、危険油面に近接したときこれを警報する
ことによって運転者に油の補給を促すことができる。According to the present invention, when the oil stored in the oil separator decreases and the oil level drops to the set oil level, that is, when the dangerous oil level is approached, an alarm is given to drive the operation. The person can be encouraged to supply oil.
【００１７】その後、設定時間に到達するまで、即ち、
油面が危険油面に到達するまで空気圧縮装置の運転を継
続できるので、この間にオイルセパレータ内に油を容易
に補充できる。そして、設定時間に到達したとき空気圧
縮機の運転が自動的に停止されるので、空気圧縮機の損
傷を防止できる。After that, until the set time is reached, that is,
Since the operation of the air compression device can be continued until the oil level reaches the dangerous oil level, the oil can be easily replenished in the oil separator during this period. Then, since the operation of the air compressor is automatically stopped when the set time is reached, damage to the air compressor can be prevented.
【図１】本発明の実施形態を示す系統図である。FIG. 1 is a system diagram showing an embodiment of the present invention.
【図２】従来の空気圧縮装置の系統図である。FIG. 2 is a system diagram of a conventional air compression device.
１、空気圧縮機 ６ オイルセパレータ 11 返油管 14 吸気管 30 油面検知器 36 モータ 40 コントローラ 1, air compressor 6 oil separator 11 oil return pipe 14 intake pipe 30 oil level detector 36 motor 40 controller
Claims (1)
で圧縮された圧縮空気から油を分離するオイルセパレー
タと、このオイルセパレータで分離された油を上記空気
圧縮機の吸入側へ戻す油回路を備えた空気圧縮装置にお
いて、 上記オイルセパレータの内部に貯溜された油の油面を検
知する油面検知器を設け、この油面検知器によって検知
された油面が設定油面に低下したとき警報を発する警報
手段を設けるとともに上記設定油面に低下後の運転時間
が設定時間に到達したとき上記空気圧縮機の運転を自動
停止する圧縮機停止手段を設けたことを特徴とする空気
圧縮装置。1. An oil-cooled air compressor, an oil separator for separating oil from compressed air compressed by the air compressor, and the oil separated by the oil separator to the suction side of the air compressor. In an air compression device equipped with an oil circuit for returning, an oil level detector for detecting the oil level of the oil stored inside the oil separator is provided, and the oil level detected by this oil level detector is the set oil level. An alarm means is provided for issuing an alarm when the oil level has dropped, and a compressor stop means for automatically stopping the operation of the air compressor when the operating time after the drop reaches the set time on the set oil level is provided. Air compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31481995A JPH09133081A (en) | 1995-11-08 | 1995-11-08 | Air compressor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31481995A JPH09133081A (en) | 1995-11-08 | 1995-11-08 | Air compressor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09133081A true JPH09133081A (en) | 1997-05-20 |
Family
ID=18057987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31481995A Withdrawn JPH09133081A (en) | 1995-11-08 | 1995-11-08 | Air compressor device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09133081A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011169220A (en) * | 2010-02-18 | 2011-09-01 | Nabtesco Corp | Air compression device for railroad vehicle |
-
1995
- 1995-11-08 JP JP31481995A patent/JPH09133081A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011169220A (en) * | 2010-02-18 | 2011-09-01 | Nabtesco Corp | Air compression device for railroad vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 20030204 |