KR20100092589A - 초소형 선형 진동 장치의 최대 진동 주파수를 검출하기 위한 집적 회로 및 이를 포함하는 초소형 선형 진동 장치 - Google Patents
초소형 선형 진동 장치의 최대 진동 주파수를 검출하기 위한 집적 회로 및 이를 포함하는 초소형 선형 진동 장치 Download PDFInfo
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- KR20100092589A KR20100092589A KR1020090011780A KR20090011780A KR20100092589A KR 20100092589 A KR20100092589 A KR 20100092589A KR 1020090011780 A KR1020090011780 A KR 1020090011780A KR 20090011780 A KR20090011780 A KR 20090011780A KR 20100092589 A KR20100092589 A KR 20100092589A
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- South Korea
- Prior art keywords
- frequency
- voltage value
- signal
- vibration device
- pwm
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- 230000003534 oscillatory effect Effects 0.000 title 2
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 230000007423 decrease Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
- G01H1/04—Measuring characteristics of vibrations in solids by using direct conduction to the detector of vibrations which are transverse to direction of propagation
- G01H1/06—Frequency
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
- B06B1/04—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism
- B06B1/045—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with electromagnetism using vibrating magnet, armature or coil system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
- G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
- H02K7/065—Electromechanical oscillators; Vibrating magnetic drives
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/032—Reciprocating, oscillating or vibrating motors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Inverter Devices (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
Description
Claims (7)
- 펄스 폭 변조 (Pulse Width Modulation ; PWM) AC 신호를 발생하는 PWM 신호 발생기;상기 펄스 폭 변조 AC 신호를 입력 받아 선형 진동 장치를 구동하는 신호를 생성하는 장치;상기 구동 신호의 전압값을 측정하는 전압 측정 장치; 및상기 선형 진동 장치를 최대로 진동시키는 주파수의 탐색을 위해 상기 PWM AC 신호의 주파수를 가변시키도록 제어하는 제어기를 포함하는 집적 회로.
- 제 1 항에 있어서,상기 제어기는 상기 PWM AC 신호의 주파수를 순차적으로 증가시키고,상기 측정된 전압값이 최소가 되는 주파수를 탐색하여 상기 PWM AC 신호를 상기 탐색된 주파수에 동조시키는, 집적 회로.
- 제 2 항에 있어서,상기 주파수 탐색은, 코어스 (coarse) 주파수 간격에서 최소 주파수부터 순차적으로 전압값을 측정하여 최소 전압값에 대응하는 주파수를 1 차 탐색하고, 상기 1 차 탐색된 주파수를 전후로 하는 미세 (fine) 주파수 간격에서 전압값을 측정하여 최소 전압값에 대응하는 주파수를 2 차 탐색하는 것을 포함하는, 집적 회로.
- 제 1 항에 있어서,상기 구동 신호 생성 장치는 상기 선형 진동 장치에 전류를 가변하여 공급하는 가변 전류 구동 장치이고,상기 가변 전류 구동 장치는, 상기 선형 진동 장치를 최대로 진동시키는 주파수의 탐색시에, 소정의 일정한 주파수로 상기 선형 진동 장치를 구동하는 경우에 비해 공급하는 전류 세기를 작게 유지하는, 집적 회로.
- 제 1 항에 있어서,상기 전압 측정 장치는 상기 측정된 전압값을 디지털 값으로 변환하는 장치를 포함하는, 집적 회로.
- 제 1 항에 있어서,상기 측정된 전압값을 상기 PWM AC 신호의 주파수에 따라 비교하고 결과를 제어기에 전송하는 전압값 비교 장치를 더 포함하는, 집적 회로.
- 제 1 항 내지 제 6 항 중 어느 한 항의 집적 회로를 포함하는 초소형 선형 진동 장치.
Priority Applications (1)
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KR1020090011780A KR101019381B1 (ko) | 2009-02-13 | 2009-02-13 | 초소형 선형 진동 장치의 최대 진동 주파수를 검출하기 위한 집적 회로 및 이를 포함하는 초소형 선형 진동 장치 |
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KR1020090011780A KR101019381B1 (ko) | 2009-02-13 | 2009-02-13 | 초소형 선형 진동 장치의 최대 진동 주파수를 검출하기 위한 집적 회로 및 이를 포함하는 초소형 선형 진동 장치 |
Publications (2)
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KR20100092589A true KR20100092589A (ko) | 2010-08-23 |
KR101019381B1 KR101019381B1 (ko) | 2011-03-24 |
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KR1020090011780A KR101019381B1 (ko) | 2009-02-13 | 2009-02-13 | 초소형 선형 진동 장치의 최대 진동 주파수를 검출하기 위한 집적 회로 및 이를 포함하는 초소형 선형 진동 장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101146264B1 (ko) * | 2010-10-05 | 2012-05-16 | 주식회사 코아리버 | 선형 진동 장치의 최대 진동 주파수를 검출하는 방법 및 그 장치 |
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JP3738062B2 (ja) * | 1995-10-20 | 2006-01-25 | 三洋電機株式会社 | リニアコンプレッサの駆動装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101146264B1 (ko) * | 2010-10-05 | 2012-05-16 | 주식회사 코아리버 | 선형 진동 장치의 최대 진동 주파수를 검출하는 방법 및 그 장치 |
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KR101019381B1 (ko) | 2011-03-24 |
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