KR880003191A - 3-phase motor rotation direction detection circuit - Google Patents

3-phase motor rotation direction detection circuit Download PDF

Info

Publication number
KR880003191A
KR880003191A KR1019860006934A KR860006934A KR880003191A KR 880003191 A KR880003191 A KR 880003191A KR 1019860006934 A KR1019860006934 A KR 1019860006934A KR 860006934 A KR860006934 A KR 860006934A KR 880003191 A KR880003191 A KR 880003191A
Authority
KR
South Korea
Prior art keywords
rotation direction
phase motor
comparator
motor rotation
detection circuit
Prior art date
Application number
KR1019860006934A
Other languages
Korean (ko)
Other versions
KR890002501B1 (en
Inventor
유원영
공희철
Original Assignee
한형수
삼성전자 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 한형수, 삼성전자 주식회사 filed Critical 한형수
Priority to KR1019860006934A priority Critical patent/KR890002501B1/en
Publication of KR880003191A publication Critical patent/KR880003191A/en
Application granted granted Critical
Publication of KR890002501B1 publication Critical patent/KR890002501B1/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P13/00Indicating or recording presence, absence, or direction, of movement
    • G01P13/02Indicating direction only, e.g. by weather vane
    • G01P13/04Indicating positive or negative direction of a linear movement or clockwise or anti-clockwise direction of a rotational movement
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K3/00Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/64Generators producing trains of pulses, i.e. finite sequences of pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

내용 없음No content

Description

3상모터 회전방향 검출회로3-phase motor rotation direction detection circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명에 따른 회로도.1 is a circuit diagram according to the present invention.

제2도는 본 발명에 따른 일실시예의 구체회로도.2 is a detailed circuit diagram of one embodiment according to the present invention.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

10,20 : 제1, 2감지부 30,40 : 제1, 2비교기10,20: first and second detection unit 30,40: first and second comparator

50 : 충방전회로 60 : 논리회로50: charge and discharge circuit 60: logic circuit

70 : 검출래치회로 R1-R2: 저항70: detection latch circuit R 1 -R 2 : resistance

Claims (1)

3상모터 회전방향 검출회로에 있어서, 상기 3상모터의 회전방향에 따라 120°의 위상차를 갖고 구동에 따른 전압을 발생하는 홀소자의 제1, 2감지부(10,20)와, 상기 제1감지부(10)의 양입력을 비교하여 모터회전 방향검출의 정보가 출력되는 제1비교기(30)와, 상기 제2감지부(20)의 양입력을 비교하여 소정주기의 방형파를 발생하는 제2비교기(40)와, 상기 제2비교기(40)의 출력을 충방전하는 충방전회로(10)와, 상기 제2비교기(40)의 출력과 충방전회로(50)의 신호를 논리화하여 래치클럭신호를 발생하는 논리회로(60)와, 상기 제1비교기(30)의 출력상태에 따라 논리회로(60)의 발생클럭에 의해 래치되어 3상모터의 회전방향을 검출하는 검출래치회로(70)로 구성함을 특징으로 하는 3상모터 회전방향검출회로.In the three-phase motor rotation direction detection circuit, the first and second sensing units (10, 20) of the Hall element having a phase difference of 120 degrees in accordance with the rotation direction of the three-phase motor to generate a voltage according to the driving, and the first Comparing both inputs of the sensing unit 10 to generate a square wave of a predetermined period by comparing the input of the first comparator 30 and the second detection unit 20 outputs the information of the motor rotation direction detection Logizing and discharging the second comparator 40, the charge and discharge circuit 10 for charging and discharging the output of the second comparator 40, the output of the second comparator 40 and the signal of the charge and discharge circuit 50 Detection circuit for latching by the logic circuit 60 for generating the latch clock signal and the generation clock of the logic circuit 60 in accordance with the output state of the first comparator 30 to detect the rotational direction of the three-phase motor. 3-phase motor rotation direction detection circuit, characterized in that consisting of (70). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860006934A 1986-08-22 1986-08-22 Checking circuit of direction of rotation of three phase motor KR890002501B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860006934A KR890002501B1 (en) 1986-08-22 1986-08-22 Checking circuit of direction of rotation of three phase motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860006934A KR890002501B1 (en) 1986-08-22 1986-08-22 Checking circuit of direction of rotation of three phase motor

Publications (2)

Publication Number Publication Date
KR880003191A true KR880003191A (en) 1988-05-14
KR890002501B1 KR890002501B1 (en) 1989-07-10

Family

ID=19251845

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860006934A KR890002501B1 (en) 1986-08-22 1986-08-22 Checking circuit of direction of rotation of three phase motor

Country Status (1)

Country Link
KR (1) KR890002501B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100455554B1 (en) * 2002-09-05 2004-11-08 이윤호 Rotation direction of motor checker and checking method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4269278B2 (en) * 2004-02-02 2009-05-27 株式会社デンソー Rotation torque direction detection device for brushless motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100455554B1 (en) * 2002-09-05 2004-11-08 이윤호 Rotation direction of motor checker and checking method

Also Published As

Publication number Publication date
KR890002501B1 (en) 1989-07-10

Similar Documents

Publication Publication Date Title
KR930018828A (en) SL-M position detection device
KR920017237A (en) Substrate Bias Generator
KR890002655A (en) Fault detection device of rotating pulse generator
KR970013625A (en) Start-up Circuit for Sensorless Brushless DC Motors Using Unbalanced Clocks
KR830010386A (en) Speed detection device
KR880013326A (en) Duty cycle independent phase detector
KR880003191A (en) 3-phase motor rotation direction detection circuit
US5867023A (en) Converter circuit for rotary transformer sensing devices
KR100411666B1 (en) Motor direction discrimination circuit
KR0162043B1 (en) Circuit for detecting errors of encoder in a motor
KR970071807A (en) Frequency detection circuit
JP3131975B2 (en) Digital three-phase PWM waveform generator
KR890000479Y1 (en) Detection circuit of direction
KR960011395B1 (en) Circuit for generating the sensing pulse of speed
SU1707681A2 (en) Ac relay
JPH0721119Y2 (en) 3-phase brushless motor
SU1257827A1 (en) Device for generating pulses from sine signal
SU1229695A1 (en) Reversible contactless direct-current tachogenerator
KR960024372A (en) Speed detection circuit of 3-phase motor
KR100234953B1 (en) A speed detecting circuit of a brushless dc motor
SU1191828A1 (en) Arrangement for controlling direction of rotation and turning angle
KR980006903A (en) A register having an enable signal
JPS61207967A (en) Speed control device for motor
KR970055227A (en) Voltage sensor
KR970072582A (en) The phase coincidence discriminator of the switch

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20020628

Year of fee payment: 14

LAPS Lapse due to unpaid annual fee