KR920007138U - Motor rotation speed (R. P. M) control circuit - Google Patents

Motor rotation speed (R. P. M) control circuit

Info

Publication number
KR920007138U
KR920007138U KR2019900013925U KR900013925U KR920007138U KR 920007138 U KR920007138 U KR 920007138U KR 2019900013925 U KR2019900013925 U KR 2019900013925U KR 900013925 U KR900013925 U KR 900013925U KR 920007138 U KR920007138 U KR 920007138U
Authority
KR
South Korea
Prior art keywords
control circuit
rotation speed
motor rotation
motor
speed
Prior art date
Application number
KR2019900013925U
Other languages
Korean (ko)
Other versions
KR930007185Y1 (en
Inventor
이우용
Original Assignee
동아전기부품 주식회사
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 by 동아전기부품 주식회사 filed Critical 동아전기부품 주식회사
Priority to KR2019900013925U priority Critical patent/KR930007185Y1/en
Publication of KR920007138U publication Critical patent/KR920007138U/en
Application granted granted Critical
Publication of KR930007185Y1 publication Critical patent/KR930007185Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0811—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors for dc motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S388/00—Electricity: motor control systems
    • Y10S388/90—Specific system operational feature
    • Y10S388/903—Protective, e.g. voltage or current limit
KR2019900013925U 1990-09-07 1990-09-07 Motor rpm control circuit KR930007185Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019900013925U KR930007185Y1 (en) 1990-09-07 1990-09-07 Motor rpm control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019900013925U KR930007185Y1 (en) 1990-09-07 1990-09-07 Motor rpm control circuit

Publications (2)

Publication Number Publication Date
KR920007138U true KR920007138U (en) 1992-04-22
KR930007185Y1 KR930007185Y1 (en) 1993-10-13

Family

ID=19303212

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019900013925U KR930007185Y1 (en) 1990-09-07 1990-09-07 Motor rpm control circuit

Country Status (1)

Country Link
KR (1) KR930007185Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190119997A (en) 2018-04-14 2019-10-23 이현석 One-touch interdental brush

Also Published As

Publication number Publication date
KR930007185Y1 (en) 1993-10-13

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Legal Events

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Payment date: 20000115

Year of fee payment: 8

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