JPS6244695U - - Google Patents

Info

Publication number
JPS6244695U
JPS6244695U JP1985137084U JP13708485U JPS6244695U JP S6244695 U JPS6244695 U JP S6244695U JP 1985137084 U JP1985137084 U JP 1985137084U JP 13708485 U JP13708485 U JP 13708485U JP S6244695 U JPS6244695 U JP S6244695U
Authority
JP
Japan
Prior art keywords
phase
phase power
control
power supply
output signal
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
JP1985137084U
Other languages
English (en)
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 JP1985137084U priority Critical patent/JPS6244695U/ja
Publication of JPS6244695U publication Critical patent/JPS6244695U/ja
Pending legal-status Critical Current

Links

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  • Control Of Ac Motors In General (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す空気調和機の
制御装置の制御回路図、第2図は同じく制御フロ
ーチヤート、第3図は同じく制御回路へ入力され
る各相の波形を示す図、第4図は従来の空気調和
機の制御装置の制御回路図である。 A:検出回路、1:三相電源、7A:整流平滑
回路、8:制御回路(マイクロコンピユータ)、
9:リセツト回路、10:基準クロツク発振回路
、11:インバータ回路、17,18,19:ダ
イオード、20,21,22:抵抗、23:第一
ホトカプラー、24:第二ホトカプラー、23a
,24a:発光ダイオード、23b,24b:ホ
トトランジスタ、25a,25b:抵抗、26,
27:波形整流用バツフア、28:インバータ、
29:表示回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 電動機の駆動用三相電源のうち少なくとも二つ
    の電源の周波数を検出する検出回路と、該検出回
    路の出力信号により各出力信号の立ち上がりまた
    は立ち下がりの時間差を測定して三相電源の相順
    を検出する制御回路とを具え、該制御回路は、前
    記三相電源の相順検出結果が逆相である場合に前
    記電動機を停止制御するよう構成されたことを特
    徴とする空気調和機の制御装置。
JP1985137084U 1985-09-06 1985-09-06 Pending JPS6244695U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985137084U JPS6244695U (ja) 1985-09-06 1985-09-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985137084U JPS6244695U (ja) 1985-09-06 1985-09-06

Publications (1)

Publication Number Publication Date
JPS6244695U true JPS6244695U (ja) 1987-03-18

Family

ID=31040802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985137084U Pending JPS6244695U (ja) 1985-09-06 1985-09-06

Country Status (1)

Country Link
JP (1) JPS6244695U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005003626A (ja) * 2003-06-16 2005-01-06 Matsushita Electric Ind Co Ltd 三相電源の結線状態判定方法および装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4877347A (ja) * 1972-01-22 1973-10-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4877347A (ja) * 1972-01-22 1973-10-17

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005003626A (ja) * 2003-06-16 2005-01-06 Matsushita Electric Ind Co Ltd 三相電源の結線状態判定方法および装置

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