JPH0387897U - - Google Patents
Info
- Publication number
- JPH0387897U JPH0387897U JP14713589U JP14713589U JPH0387897U JP H0387897 U JPH0387897 U JP H0387897U JP 14713589 U JP14713589 U JP 14713589U JP 14713589 U JP14713589 U JP 14713589U JP H0387897 U JPH0387897 U JP H0387897U
- Authority
- JP
- Japan
- Prior art keywords
- compressor
- valve
- lubricating oil
- turbo
- control 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.)
- Pending
Links
- 239000010687 lubricating oil Substances 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Control Of Non-Positive-Displacement Pumps (AREA)
Description
第１図は本考案の一実施例における弁開閉モー
ド図、第２図は本考案の第２実施例の系統図、第
３図は従来のターボ冷凍機の潤滑油と冷媒の系統
図、第４図は第３図Ａ部に付加される従来の装置
の系統図である。
Ｂ……ブライン、Ｍ……電動機、Ｓ……電源、
Ｗ……水、１……固定子、２……回転子、３……
ターボ型圧縮機、３Ａ……羽根車、４……回転軸
、５……軸受、６，６Ａ……シールリング、７…
…潤滑油タンク、８……潤滑油ポンプ、９……給
油管、９Ａ……給油管の分岐管、１０……排油管
、１１……ベーンコントロールモータ、１２……
ブリローテーシヨンベーン、１３……圧縮機ケー
シング、１４……吐出管、１５……凝縮機、１６
……冷媒流量制御装置、１７……蒸発器、１８…
…圧縮機吸入管、１９……均圧管、１９Ａ……均
圧管の分岐管、２０……電磁弁、２１……バイパ
ス管、２２……差圧検出器、２３……ピストン、
２４……ピストンロツド、２５……スイツチ、２
６……ばね、２７……タイマ、２８……電磁弁、
２９……電源側スイツチ、３０……圧力計、３１
……圧力計。
Fig. 1 is a valve opening/closing mode diagram in an embodiment of the present invention, Fig. 2 is a system diagram of a second embodiment of the invention, Fig. 3 is a system diagram of lubricating oil and refrigerant of a conventional centrifugal chiller, FIG. 4 is a system diagram of a conventional device added to section A in FIG. 3. B...Brine, M...Electric motor, S...Power supply,
W...Water, 1...Stator, 2...Rotor, 3...
Turbo compressor, 3A... Impeller, 4... Rotating shaft, 5... Bearing, 6, 6A... Seal ring, 7...
...Lubricating oil tank, 8... Lubricating oil pump, 9... Oil supply pipe, 9A... Oil supply pipe branch pipe, 10... Oil drain pipe, 11... Vane control motor, 12...
Brillotation vane, 13...Compressor casing, 14...Discharge pipe, 15...Condenser, 16
...Refrigerant flow rate control device, 17... Evaporator, 18...
... Compressor suction pipe, 19 ... Pressure equalization pipe, 19A ... Branch pipe of pressure equalization pipe, 20 ... Solenoid valve, 21 ... Bypass pipe, 22 ... Differential pressure detector, 23 ... Piston,
24...Piston rod, 25...Switch, 2
6... Spring, 27... Timer, 28... Solenoid valve,
29...Power side switch, 30...Pressure gauge, 31
...Pressure gauge.
Claims (1)
を連通する均圧管上に設けられた電磁弁または電
動弁を備えたターボ冷凍機において、前記弁に対
して、前記圧縮機の起動前に閉じ、起動後に所定
モードによつて開閉を繰返して開時間を遂次増大
させ、起動完了後は開状態に保つ指令を発する制
御装置を備えたことを特徴とするターボ冷凍機。 (2) 請求項(1)に記載のターボ冷凍機において、
潤滑油供給圧力と潤滑油タンク内圧力との差を検
知する手段を設け、さらに同検知された圧力差が
設定値より高くなつた時に弁に対する制御装置の
指令を開始あるいは再開させ、同検知された圧力
差が設定値より低くなつた時に弁を閉じ弁に対す
る制御装置の指令の進行の一時停止させる手段を
設けたことを特徴とするターボ冷凍機。[Claims for Utility Model Registration] (1) In a turbo chiller equipped with a solenoid valve or an electric valve provided on a pressure equalizing pipe that communicates the suction side of a turbo compressor with a lubricating oil tank, The compressor is characterized by comprising a control device that issues a command to close the compressor before starting the compressor, repeatedly open and close the compressor in a predetermined mode after starting to increase the opening time, and keep the compressor open after the starting is completed. A turbo refrigerator. (2) In the turbo chiller according to claim (1),
A means for detecting the difference between the lubricating oil supply pressure and the internal pressure of the lubricating oil tank is provided, and furthermore, when the detected pressure difference becomes higher than a set value, a control device command to the valve is started or restarted, 1. A centrifugal chiller comprising means for closing a valve and temporarily halting the progress of a control device's command to the valve when the pressure difference becomes lower than a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14713589U JPH0387897U (en) | 1989-12-22 | 1989-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14713589U JPH0387897U (en) | 1989-12-22 | 1989-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0387897U true JPH0387897U (en) | 1991-09-06 |
Family
ID=31693666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14713589U Pending JPH0387897U (en) | 1989-12-22 | 1989-12-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0387897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015127578A (en) * | 2013-12-27 | 2015-07-09 | 三菱重工業株式会社 | Bearing oil supply device and ventilator including the same |
| WO2018180337A1 (en) * | 2017-03-31 | 2018-10-04 | 三菱重工サーマルシステムズ株式会社 | Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program |
-
1989
- 1989-12-22 JP JP14713589U patent/JPH0387897U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015127578A (en) * | 2013-12-27 | 2015-07-09 | 三菱重工業株式会社 | Bearing oil supply device and ventilator including the same |
| WO2018180337A1 (en) * | 2017-03-31 | 2018-10-04 | 三菱重工サーマルシステムズ株式会社 | Refrigeration machine control device, turbo refrigeration machine, refrigeration machine control method, and program |
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