KR100959700B1 - 도플러 방식의 마이크로파 센서 장치 - Google Patents
도플러 방식의 마이크로파 센서 장치 Download PDFInfo
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- KR100959700B1 KR100959700B1 KR1020100009755A KR20100009755A KR100959700B1 KR 100959700 B1 KR100959700 B1 KR 100959700B1 KR 1020100009755 A KR1020100009755 A KR 1020100009755A KR 20100009755 A KR20100009755 A KR 20100009755A KR 100959700 B1 KR100959700 B1 KR 100959700B1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/38—Systems for determining direction or position line using comparison of [1] the phase of the envelope of the change of frequency, due to Doppler effect, of the signal transmitted by an antenna moving, or appearing to move, in a cyclic path with [2] the phase of a reference signal, the frequency of this reference signal being synchronised with that of the cyclic movement, or apparent cyclic movement, of the antenna
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/04—Systems determining presence of a target
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/522—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves
- G01S13/524—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi
- G01S13/53—Discriminating between fixed and moving objects or between objects moving at different speeds using transmissions of interrupted pulse modulated waves based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals, e.g. coherent MTi performing filtering on a single spectral line and associated with one or more range gates with a phase detector or a frequency mixer to extract the Doppler information, e.g. pulse Doppler radar
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/50—Systems of measurement based on relative movement of target
- G01S13/52—Discriminating between fixed and moving objects or between objects moving at different speeds
- G01S13/56—Discriminating between fixed and moving objects or between objects moving at different speeds for presence detection
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Abstract
도플러 방식의 움직임 감지장치로서 2.4Ghz 주파수의 반송파를 출력하고 출력된 반송파가 물체에 의해 반사되는 전파를 수신하되, 수신 주파수를 간헐적 발진시키고, 주파수 수신신호의 수신 증폭도를 조절하여 민감도를 조절함으로서 수신감도가 극대화된 상태로 물체의 움직임을 감지하는 마이크로파 센서부와; 상기 마이크로파 센서부의 주파수 송신신호와 주파수 수신신호를 증폭하는 센서신호 증폭부와; 상기 센서신호 증폭부에 의해서 증폭된 주파수 송신신호 및 주파수 수신신호를 이용하여 물체의 움직임을 종합적으로 판단하고 이에 따른 제어신호를 출력하는 제어부를 포함하여 구성함이 특징이다.
Description
도 2는 본 발명의 마이크로파 센서부 상세 회로도 및 증폭부 회로도.
도 3은 본 발명의 제어부 상세 회로도.
도 4는 본 발명의 판별신호 출력부 상세 회로도.
200: 센서신호 증폭부
300: 제어부
400: 판별신호 출력부
Claims (1)
- 도플러 방식의 움직임 감지장치로서, 주파수 신호를 출력하고 물체에 의해 반사되는 전파를 수신하되, 수신 주파수를 간헐적으로 발진시키고, 수신 주파수의 증폭도를 조절하여 민감도를 조절하는 마이크로파 센서부(100)와;
상기 마이크로파 센서부의 주파수 송신신호와 주파수 수신신호를 증폭하는 센서신호 증폭부(200)와;
상기 센서신호 증폭부에 의해서 증폭된 주파수 송신신호 및 주파수 수신신호를 이용하여 물체의 움직임을 종합적으로 판단하고 이에 따른 제어신호를 출력하는 제어부(300)를 포함하며;
상기 마이크로파 센서부(100)는,
직렬연결된 저항의 중앙으로부터 출력라인을 연결하여 전원을 입력하는 전원 입력부(R2, R6, D1)와;
상기 전원 입력부에 직렬연결된 인덕터와 상기 인덕터에 병렬연결된 캐패시터를 이용하여 발진을 일으키는 발진부(C1, L2)와;
상기 발진부의 출력과 연결되어 발진 주파수를 증폭시키고 수신되는 주파수 신호를 입력받도록 하는 주파수 혼합기용 트랜지스터(Q1)와;
상기 주파수 혼합기용 트랜지스터(Q1)의 에미터단에 연결되며, 인덕터 저항값을 제공하여 Quenching 주파수(Frequency)로 스위칭되도록 함으로서 트랜지스터의 발진과 발진 정지 동작에 의해서 최대의 수신감도를 얻도록하는 초재생 검파용 인덕터(L3)와;
상기 주파수 혼합기용 트랜지스터의 콜렉터단에 연결되어 트랜지스터에 의해 증폭된 주파수를 외부 물체를 향해 송신하는 송신 안테나부(E1)와;
상기 주파수 혼합기용 트랜지스터의 베이스단에 연결되며 물체에 맞아 반사되는 주파수 신호를 주파수 혼합기용 트랜지스터의 베이스단으로 전달하는 수신 안테나부(E2)와;
상기 주파수 혼합기용 트랜지스터의 에미터단에 연결되어 저항을 조절하는 동작에 의해서 증폭도를 조절함으로서 수신감도를 조절하는 민감도 조절부(R10, R13, SFR1)로 이루어짐을 특징으로 하는 도플러 방식의 마이크로파 센서 장치.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20190067975A (ko) | 2017-12-08 | 2019-06-18 | (주)코러싱 | 마이크로 스트립 구조의 발진기를 가진 마이크로파 센서 |
KR20200099628A (ko) | 2019-02-12 | 2020-08-25 | 박동수 | Ac 전원 라인을 송수신 안테나로 구현한 마이크로파 도플러 센서 |
US10816657B2 (en) | 2016-09-01 | 2020-10-27 | Hyundai Motor Company | Motion detecting apparatus, motion detecting method and motion detecting antenna |
Citations (2)
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KR20090009318A (ko) * | 2006-05-11 | 2009-01-22 | 라이프 센서 코., 엘티디 | 초대역폭 음향 신호의 도움으로 이동 물체를 검출하기 위한센서 |
KR20090070073A (ko) * | 2007-12-26 | 2009-07-01 | 전자부품연구원 | 차량용 블랙박스를 위한 레이더센서 SoC 및 그 운용방법 |
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KR20090009318A (ko) * | 2006-05-11 | 2009-01-22 | 라이프 센서 코., 엘티디 | 초대역폭 음향 신호의 도움으로 이동 물체를 검출하기 위한센서 |
KR20090070073A (ko) * | 2007-12-26 | 2009-07-01 | 전자부품연구원 | 차량용 블랙박스를 위한 레이더센서 SoC 및 그 운용방법 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10816657B2 (en) | 2016-09-01 | 2020-10-27 | Hyundai Motor Company | Motion detecting apparatus, motion detecting method and motion detecting antenna |
KR20190067975A (ko) | 2017-12-08 | 2019-06-18 | (주)코러싱 | 마이크로 스트립 구조의 발진기를 가진 마이크로파 센서 |
KR102069280B1 (ko) * | 2017-12-08 | 2020-01-22 | (주)코러싱 | 마이크로 스트립 구조의 발진기를 가진 마이크로파 센서 |
KR20200099628A (ko) | 2019-02-12 | 2020-08-25 | 박동수 | Ac 전원 라인을 송수신 안테나로 구현한 마이크로파 도플러 센서 |
KR102158566B1 (ko) | 2019-02-12 | 2020-09-22 | 박동수 | Ac 전원 라인을 송수신 안테나로 구현한 마이크로파 도플러 센서 |
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