JPS6476818A - Electric cleaner - Google Patents

Electric cleaner

Info

Publication number
JPS6476818A
JPS6476818A JP62234231A JP23423187A JPS6476818A JP S6476818 A JPS6476818 A JP S6476818A JP 62234231 A JP62234231 A JP 62234231A JP 23423187 A JP23423187 A JP 23423187A JP S6476818 A JPS6476818 A JP S6476818A
Authority
JP
Japan
Prior art keywords
motor
display device
positive characteristic
becomes large
light emitting
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
JP62234231A
Other languages
Japanese (ja)
Inventor
Yoshihiro Noguchi
Toshio Koike
Tokio Ichinose
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Home Appliance Co Ltd
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Home Appliance Co Ltd
Mitsubishi Electric Corp
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 Mitsubishi Electric Home Appliance Co Ltd, Mitsubishi Electric Corp filed Critical Mitsubishi Electric Home Appliance Co Ltd
Priority to JP62234231A priority Critical patent/JPS6476818A/en
Publication of JPS6476818A publication Critical patent/JPS6476818A/en
Pending legal-status Critical Current

Links

Landscapes

  • Electric Vacuum Cleaner (AREA)
  • Control Of Ac Motors In General (AREA)

Abstract

PURPOSE: To visually confirm the operation state of a motor by a display device by providing a switching device for controlling the speed of the motor, the display device for making a display form be different corresponding to the changeover of the switching device and the display device for displaying the operation state of the motor. CONSTITUTION: When a changeover switch 8 is turned to the side of a contact point (a), a power source 1 is half-wave-rectified by a diode 9 and the motor 3 is weakly operated. In a state that the changeover switch 1 is turned to one of the contact points (a) and (b), in the case that a large cloth or the like for instance gets entangled in a rotary brush, it is stopped and thus the motor 3 is locked, a current made to flow to the motor 3, that is the current made to flow to a positive characteristic thermister 4, becomes large and the resistance value becomes extremely large by self heat generation. Thus, the terminal voltage of the positive characteristic thermister 4 becomes large, a light emitting diode 15 is lighted, the terminal voltage of a resistor 5 becomes extremely small relatively and the light emitting diodes 13 and 14 are put off. When the resistance value of the positive characteristic thermister 4 becomes large, the current of the motor 3 is suppressed and a safe state is attained.
JP62234231A 1987-09-18 1987-09-18 Electric cleaner Pending JPS6476818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62234231A JPS6476818A (en) 1987-09-18 1987-09-18 Electric cleaner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62234231A JPS6476818A (en) 1987-09-18 1987-09-18 Electric cleaner

Publications (1)

Publication Number Publication Date
JPS6476818A true JPS6476818A (en) 1989-03-22

Family

ID=16967746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62234231A Pending JPS6476818A (en) 1987-09-18 1987-09-18 Electric cleaner

Country Status (1)

Country Link
JP (1) JPS6476818A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03244421A (en) * 1990-02-22 1991-10-31 Akai Electric Co Ltd Constraint protecting device of rotary brush driving electric motor in electric cleaner
JPH03244422A (en) * 1990-02-22 1991-10-31 Akai Electric Co Ltd Constraint protecting device of rotary brush driving electric motor in electric cleaner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03244421A (en) * 1990-02-22 1991-10-31 Akai Electric Co Ltd Constraint protecting device of rotary brush driving electric motor in electric cleaner
JPH03244422A (en) * 1990-02-22 1991-10-31 Akai Electric Co Ltd Constraint protecting device of rotary brush driving electric motor in electric cleaner

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