JPS6334382U - - Google Patents

Info

Publication number
JPS6334382U
JPS6334382U JP11215887U JP11215887U JPS6334382U JP S6334382 U JPS6334382 U JP S6334382U JP 11215887 U JP11215887 U JP 11215887U JP 11215887 U JP11215887 U JP 11215887U JP S6334382 U JPS6334382 U JP S6334382U
Authority
JP
Japan
Prior art keywords
screw compressor
voltage
converts
drive device
inverter
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
Application number
JP11215887U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP11215887U priority Critical patent/JPS6334382U/ja
Publication of JPS6334382U publication Critical patent/JPS6334382U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案の実施例を示すもので、第１図は１
段圧縮装置の実施例を示すブロツク図、第２図は
１台の交流電動機による２段圧縮装置の実施例を
示すブロツク図、第３図は２台の交流電動機によ
る２段圧縮装置の実施例を示すブロツク図である
。 ２……インバータ、３……整流平滑回路、４…
…ＤＣ―ＡＣ変換回路、５，５Ｈ，５Ｌ……交流
電動機、７，７Ｈ，７Ｌ……スクリユー圧縮機、
１０……制御回路。 The figure shows an embodiment of the present invention.
A block diagram showing an embodiment of a stage compression device. Fig. 2 is a block diagram showing an embodiment of a two-stage compression device using one AC motor. Fig. 3 is an example of a two-stage compression device using two AC motors. FIG. 2... Inverter, 3... Rectifier and smoothing circuit, 4...
...DC-AC conversion circuit, 5,5H,5L...AC motor, 7,7H,7L...screw compressor,
10...Control circuit.

Claims (1)

【実用新案登録請求の範囲】 (1) スクリユーの回転によつて流体を圧縮する
スクリユー圧縮機の駆動装置において、 商用交流電源を直流電圧に変換する整流平滑回
路およびその直流電圧を所定の周波数、電圧の交
流電圧に変換するＤＣ―ＡＣ変換回路からなるイ
ンバータと、 このインバータからの出力を受けて回転し前記
スクリユー圧縮機を駆動する交流電動機と、 前記スクリユー圧縮機の速度データまたは負荷
データを入力とし前記インバータから前記交流電
動機に出力される交流電圧の周波数、電圧を制御
する制御回路と、 を具備したことを特徴とするスクリユー圧縮機の
駆動装置。 (2) スクリユー圧縮機は、高段側と低段側とに
直列に接続した２段スクリユー圧縮機としたこと
を特徴とする実用新案登録請求の範囲第(1)項記
載のスクリユー圧縮機の駆動装置。[Claims for Utility Model Registration] (1) A drive device for a screw compressor that compresses fluid through the rotation of a screw, including a rectifying and smoothing circuit that converts a commercial AC power source into a DC voltage, and a rectifying and smoothing circuit that converts the DC voltage to a predetermined frequency. an inverter consisting of a DC-AC conversion circuit that converts voltage into an alternating current voltage; an alternating current motor that rotates upon receiving the output from the inverter and drives the screw compressor; and inputting speed data or load data of the screw compressor. A drive device for a screw compressor, comprising: a control circuit that controls the frequency and voltage of an AC voltage output from the inverter to the AC motor. (2) The screw compressor according to claim (1) of the utility model registration, characterized in that the screw compressor is a two-stage screw compressor in which a high stage side and a low stage side are connected in series. Drive device.
JP11215887U 1987-07-22 1987-07-22 Pending JPS6334382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11215887U JPS6334382U (en) 1987-07-22 1987-07-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11215887U JPS6334382U (en) 1987-07-22 1987-07-22

Publications (1)

Publication Number Publication Date
JPS6334382U true JPS6334382U (en) 1988-03-05

Family

ID=30992766

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11215887U Pending JPS6334382U (en) 1987-07-22 1987-07-22

Country Status (1)

Country Link
JP (1) JPS6334382U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01225468A (en) * 1988-03-07 1989-09-08 Hisaka Works Ltd Automatic control of amount of treating liquid in continuous sterilizing apparatus
JPH0730775A (en) * 1993-07-13 1995-01-31 Nec Corp Radio type hand controller system
JP2003021089A (en) * 2001-07-03 2003-01-24 Kobe Steel Ltd Two-stage compression refrigerating machine, and its operating method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5471454A (en) * 1977-11-17 1979-06-08 Matsushita Electric Ind Co Ltd Heat source apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5471454A (en) * 1977-11-17 1979-06-08 Matsushita Electric Ind Co Ltd Heat source apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01225468A (en) * 1988-03-07 1989-09-08 Hisaka Works Ltd Automatic control of amount of treating liquid in continuous sterilizing apparatus
JPH0730775A (en) * 1993-07-13 1995-01-31 Nec Corp Radio type hand controller system
JP2003021089A (en) * 2001-07-03 2003-01-24 Kobe Steel Ltd Two-stage compression refrigerating machine, and its operating method

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