KR20140057078A - 리졸버 및 그 제조 방법 - Google Patents
리졸버 및 그 제조 방법 Download PDFInfo
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- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
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- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2046—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by a movable ferromagnetic element, e.g. a core
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- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
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- G01D5/2066—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to a single other coil
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- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
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- G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2086—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of two or more coils with respect to two or more other coils
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/2291—Linear or rotary variable differential transformers (LVDTs/RVDTs) having a single primary coil and two secondary coils
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
- G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K24/00—Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
- G01D3/028—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure
- G01D3/036—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups mitigating undesired influences, e.g. temperature, pressure on measuring arrangements themselves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/2006—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils
- G01D5/2013—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the self-induction of one or more coils by a movable ferromagnetic element, e.g. a core
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Abstract
Description
도 2는 도 1의 리졸버에서의 회전자의 외형을 보여주는 사시도이다.
도 3은 도 1의 리졸버의 구성 및 동작을 설명하기 위한 도면이다.
도 4는 도 1의 리졸버의 출력 신호들이 변환되어 사용됨을 설명하기 위한 도면이다.
도 5는 종래의 리졸버의 제조 방법에서 고정자의 코어에 코일들이 감겨지는 방법을 설명하기 위한 도면이다.
도 6은 도 1의 실시예의 리졸버의 제조 방법에서 고정자의 코어에 코일들이 감겨지는 방법을 설명하기 위한 도면이다.
도 7은, 도 1의 실시예의 리졸버에서, 회전자의 위치에 따라 고정자의 각 슬롯에서 자속의 변화량이 달라짐을 설명하기 위한 도면이다.
도 8a 내지 8f는 도 1의 리졸버의 회전자가 0o에서 45o까지 회전하는 상태를 보여주는 도면이다.
도 9는 도 1의 리졸버의 회전자가 0o에서 45o까지 회전하는 과정에서 출력 신호 코일들에 발생되는 유기 전압 신호들을 함께 보여주는 파형도이다.
도 10은 리졸버 동작의 시뮬레이션을 위하여 신호원 코일에 입력될 전압 신호의 파형을 보여주는 도면이다.
도 11은, 도 10의 입력 전압 신호가 종래의 리졸버의 신호원 코일에 입력됨에 의하여, 출력 신호 코일들에 발생되는 유기 전압 신호들을 함께 보여주는 파형도이다.
도 12는, 도 10의 입력 전압 신호가 본 실시예의 리졸버의 신호원 코일에 입력됨에 의하여, 출력 신호 코일들에 발생되는 유기 전압 신호들을 함께 보여주는 파형도이다.
도 13은 본 실시예의 리졸버의 신호원 코일에 입력될 전압 신호를 파형 측정기에 의하여 측정한 결과를 보여주는 도면이다.
도 14는, 도 13의 입력 전압 신호가 본 실시예의 리졸버의 신호원 코일에 입력된 후, 출력 신호 코일들에 발생되는 유기 전압 신호들을 파형 측정기에 의하여 측정한 결과를 보여주는 도면이다.
| 돌출부 번호 | 신호원 코일의 감김 횟수 | 제1 출력 신호 코일의 감김 횟수 | 제2 출력 신호 코일의 감김 횟수 | 총 감김 횟수 |
| 1 | 24 | 10 | 62 | 96 |
| 2 | -24 | 45 | 45 | 114 |
| 3 | 24 | 62 | 10 | 96 |
| 4 | -24 | 56 | -28 | 108 |
| 5 | 24 | 28 | -56 | 108 |
| 6 | -24 | -10 | -62 | 96 |
| 7 | 24 | -45 | -45 | 114 |
| 8 | -24 | -62 | -10 | 96 |
| 9 | 24 | -56 | 28 | 108 |
| 10 | -24 | -28 | 56 | 108 |
| ................. | ................. | ................. | ................. | ................. |
| 돌출부 번호 | 신호원 코일의 감김 횟수 | 제1 출력 신호 코일의 감김 횟수 | 제2 출력 신호 코일의 감김 횟수 | 총 감김 횟수 |
| 1 또는 9 | 15 | 50 | 0 | 65 |
| 2 또는 10 | -15 | 0 | 50 | 65 |
| 3 또는 11 | 15 | -50 | 0 | 65 |
| 4 또는 12 | -15 | 0 | -50 | 65 |
| 5 또는 13 | 15 | 50 | 0 | 65 |
| 6 또는 14 | -15 | 0 | 50 | 65 |
| 7 또는 15 | 15 | -50 | 0 | 65 |
| 8 또는 16 | -15 | 0 | -50 | 65 |
121p : 코어의 돌출부, 122 : 고정자의 신호원 코일,
123A : 제1 출력 신호 코일, 123B : 제2 출력 신호 코일,
θ : 전동기의 회전 각도, Ssou : 입력 전압 신호,
11t : 회전 방향으로의 외주면, P1 내지 P4 : 돌출 극들,
Sout1 : 제1 유기 전압 신호, Sout2 : 제2 유기 전압 신호,
4 : 신호 변환기, 521 : 고정자의 코어,
521p1 내지 521p4 : 코어의 돌출부들, 522 : 고정자의 신호원 코일,
523A : 제1 출력 신호 코일, 523B : 제2 출력 신호 코일,
121p1 내지 121p4 : 코어의 돌출부들, SL1 내지 SL3 : 슬롯들,
Psc : 굴곡점, 11ta, 11tb : 1/8 회전 거리,
11tc : 1/4 회전 거리.
Claims (12)
- 전동기의 회전 각도를 검출하기 위하여 회전자와 고정자를 구비한 리졸버(resolver)의 제조 방법에 있어서,
상기 회전자의 주위에 설치된 상기 고정자의 제조 방법은,
상기 회전자의 회전 방향을 따라 일정한 간격으로 돌출부들이 형성된 코어를 제조함;
입력 전압 신호가 인가됨에 따라 교류 자계를 발생시키도록 상기 코어의 상기 돌출부들에 감기어지는 신호원 코일을 형성함; 및
상기 신호원 코일로부터의 교류 자계와 상기 회전자의 회전에 따라 서로 다른 위상의 유기 전압 신호들을 발생시키도록, 상기 코어의 서로 다른 돌출부들에 순서대로 번갈아가면서 감기어지는 복수의 출력 신호 코일들을 형성함을 포함한 리졸버의 제조 방법. - 제1항에 있어서, 상기 회전자는,
상기 전동기의 회전자 축과 연결되도록 형성되는 리졸버의 제조 방법. - 제2항에 있어서,
상기 회전자의 회전 방향으로의 외주면에는 반복적인 굴곡이 형성되는 리졸버의 제조 방법. - 제3항에 있어서, 상기 회전자에는,
상기 외주면의 반복적인 굴곡에 따라, 상기 코어의 상기 돌출부들을 향하여 복수 개의 돌출 극들이 형성되는 리졸버의 제조 방법. - 제4항에 있어서, 상기 코어의 상기 돌출부들의 개수(Z)는,
상기 출력 신호 코일들의 개수(m)와 상기 회전자의 상기 돌출 극들의 개수(X)를 곱한 결과에 비례한 리졸버의 제조 방법. - 제5항에 있어서, 상기 복수의 출력 신호 코일들 중에서 어느 한 출력 신호 코일이 상기 코어의 어느 한 돌출부에 감기는 횟수 Nip는,
어느 한 출력 신호 코일의 총 감김 횟수를 Nt라 하면, Nip = 2 Nt / Z 의 수학식에 의하여 구해지는 리졸버의 제조 방법. - 전동기의 회전 각도를 검출하기 위하여 회전자와 고정자를 구비한 리졸버(resolver)에 있어서,
상기 회전자의 주위에 설치된 상기 고정자는,
상기 회전자의 회전 방향을 따라 일정한 간격으로 돌출부들이 형성된 코어;
상기 코어의 상기 돌출부들에 감겨서, 입력 전압 신호가 인가됨에 따라 교류 자계를 발생시키는 신호원 코일;
상기 코어의 상기 돌출부들 중에서 홀수번째 돌출부들에 감기어지는 제1 출력 신호 코일; 및
상기 코어의 상기 돌출부들 중에서 짝수번째 돌출부들에 감기어지는 제2 출력 신호 코일을 포함한 리졸버. - 제7항에 있어서, 상기 회전자는,
상기 전동기의 회전자 축과 연결되어 상기 전동기의 회전자와 함께 회전하는 리졸버. - 제7항에 있어서,
상기 회전자의 회전 방향으로의 외주면에는 반복적인 굴곡이 형성되어 있는 리졸버. - 제9항에 있어서, 상기 회전자는,
상기 외주면의 반복적인 굴곡에 따라, 상기 코어의 상기 돌출부들을 향하여 복수 개의 돌출 극들을 갖는 리졸버. - 제7항에 있어서,
상기 제1 출력 신호 코일은 상기 신호원 코일로부터의 교류 자계와 상기 회전자의 회전에 따라 제1 유기 전압 신호를 발생시키고,
상기 제2 출력 신호 코일은 상기 신호원 코일로부터의 교류 자계와 상기 회전자의 회전에 따라 제2 유기 전압 신호를 발생시키며,
상기 제1 출력 신호 코일과 상기 제2 출력 신호 코일이 상기 코어의 서로 다른 위치의 돌출부들에 교호하게 감기어짐에 따라, 상기 제1 유기 전압 신호와 상기 제2 유기 전압 신호 사이에 90o의 위상 차이가 발생되는 리졸버. - 제7항에 있어서,
상기 신호원 코일은 상기 코어의 각 돌출부에 동일한 횟수로서 감기어져 있고,
상기 제1 출력 신호 코일은 상기 코어의 상기 각 홀수번째 돌출부에 동일한 횟수로서 감기어져 있으며,
상기 제2 출력 신호 코일은 상기 코어의 상기 각 짝수번째 돌출부에 동일한 횟수로서 감기어져 있음에 따라,
상기 코어의 각 돌출부에 대하여 동일한 총 감김 횟수가 적용되는 리졸버.
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| US13/897,494 US9412516B2 (en) | 2012-11-02 | 2013-05-20 | Resolver and method of manufacturing the same |
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| KR20200005728A (ko) * | 2018-07-06 | 2020-01-16 | (주)글로벌시스템즈 | 가변 릴럭턴스형 리졸버 |
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| CN108731586B (zh) * | 2017-04-19 | 2025-07-25 | 苏州昱泽智能科技有限公司 | 旋转角度检测装置、旋转角度检测系统和旋转体 |
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| US20140125324A1 (en) | 2014-05-08 |
| KR101964371B1 (ko) | 2019-04-01 |
| US9412516B2 (en) | 2016-08-09 |
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