KR890008291Y1 - Distinctive circuit using intensity - Google Patents
Distinctive circuit using intensity Download PDFInfo
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- KR890008291Y1 KR890008291Y1 KR2019870005076U KR870005076U KR890008291Y1 KR 890008291 Y1 KR890008291 Y1 KR 890008291Y1 KR 2019870005076 U KR2019870005076 U KR 2019870005076U KR 870005076 U KR870005076 U KR 870005076U KR 890008291 Y1 KR890008291 Y1 KR 890008291Y1
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- human body
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- 238000013459 approach Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 7
- 230000005669 field effect Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
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- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
내용 없음.No content.
Description
첨부된 도면은 본 고안의 인체접근판별회로도이다.The accompanying drawings are a human body approach discrimination circuit diagram of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 인체접근검출부 2 : 인체물러감검출부1: human body approach detection unit 2: human back detection unit
3, 4 : 저역통과필터 5, 6 : 증폭기3, 4: low pass filter 5, 6: amplifier
S1-S4: 초전형적외선센서 COM1, COM2: 비교기S 1 -S 4 : Pyroelectric infrared sensor COM 1 , COM 2 : Comparator
MM1: 모노멀티 FF1: 플립플롭MM 1 : Monomulti FF 1 : Flip-flop
본 고안은 초전형 적외선 센서를 이용하여 인체의 접근을 판별하는 인체접근판별회로에 관한 것으로, 특히 인체가 감지범위내로 접근하는 것을 판별함은 물론 감지범위 밖으로 이동하는 것도 판별하게 한 초전형 적외선 센서를 이용한 인체접근판별회로에 관한 것이다.The present invention relates to a human body access discrimination circuit using a pyroelectric infrared sensor to determine the approach of the human body, and in particular, a pyroelectric infrared sensor that determines whether the human body approaches within the sensing range and also moves out of the sensing range. It relates to a human body approach discrimination circuit using.
종래에는 적외선 센서를 이용하여 인체의 접근여부를 판별할 경우에 하나의 적외선 센서를 이용하였으므로 인체가 접근하여 정지상태로 있는지 아니면 이동하여 사라졌는지의 여부를 판별할 수 없는 결함이 있었다.Conventionally, when determining whether the human body is approached by using an infrared sensor, since an infrared sensor is used, there is a defect that cannot be determined whether the human body approaches or remains or moves and disappears.
본 고안은 이와같은 종래의 결함을 감안하여, 초전형 적외선 센서로 그들의 온도면화에 따른 분극현상을 이용하여 표리면에 전극을 형성하고, 그 전극에는 저항을 접속하여 인체의 접근에 따른 저항의 양단간의 전압변동으로 인체의 접근을 물론 인체가 물려간 것을 판별하게한 것이다.The present invention, in view of such a conventional defect, by using a polarization phenomenon according to their temperature cotton with a pyroelectric infrared sensor to form an electrode on the front and back, connecting the resistance to the electrode between the both ends of the resistance according to the human approach The voltage fluctuations of the human body as well as the approach of the human body to determine what has been passed.
먼저, 적외선 센서에 관하여 설명하면, 적외선 센서에는 에너지를 흡수하면 물질의 온도가 변하는 현상을 이용하여 감지하는 열형과, 광양자로 직접 검지하는 양자형으로 구별되며, 열형 적외선 센서는 평탄한 파장특성을 갖고 있으나, 감응온도가 낮고, 응답속도가 느린 결함이 있다.First, the infrared sensor will be described. The infrared sensor is classified into a thermal type that senses using a phenomenon in which the temperature of a substance changes when it absorbs energy and a quantum type that is directly detected by a photon. A thermal infrared sensor has a flat wavelength characteristic However, there is a defect that the response temperature is low and the response speed is slow.
그리고, 상기의 결함을 보완하는 초전형 적외선 센서가 개발되었는바, 초전형 적외선 센서는 일반 반도체 센서와는 달리 상온동작 및 감도에 파장의 의존성이 없고, 여러종류의 분광투과성이 있는 투과재와 조합하여 사용목적에 알맞은 센서를 만들 수 있을 뿐만아니라 조작이 용이하고, 가격이 저렴한 것으로, 본 고안은 이와같은 초전형 적외선 센서를 이용하여 인체의 접근 및 사라짐을 판별하는 것이다.In addition, a pyroelectric infrared sensor has been developed to compensate for the above defects. Unlike general semiconductor sensors, a pyroelectric infrared sensor has no wavelength dependence on room temperature operation and sensitivity, and is combined with various kinds of spectral transmissive materials. By making a sensor suitable for the purpose of use, as well as easy operation and low cost, the present invention is to determine the approach and disappearance of the human body using such a pyroelectric infrared sensor.
이하, 첨부된 도면에 의하여 본 고안을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
첨부된 도면에 도시한 바와같이 인체의 접근 및 물러감을 각기 감지하는 초전형 적외선 센서(S1, S2), (S3, S4)및 전계효과 트랜지스터(FET1), (FET2), 저항(R1, R2), (R3, R4)으로 된 인체접근 및 인체물러감검출부(1)(2)와, 상기 인체접근 및 인체물러감검출부(1)(2)의 출력신호에서 저역신호를 통과시키는 저항(R5-R8)(R9-R12)및 콘덴서(C1, C2)(C3, C4). 연산증폭기(OP1)(OP2)로 된 저역통과필터(3)(4)와, 상기 저역통과필터(3)(4)의 출력신호를 증폭하는 저항(R13, R14), (R15, R16)및 연산증폭기(OP3)(OP4)로 된 증폭기(5)(6)와, 상기 증폭기(5)(6)의 출력신호가 기준전압(Vref1(Vref2)을 비교하는 비교기(COM1)(COM2)와, 상기 비교기(COM1)의 출력신호에 따라 펄스신호를 출력하는 모노멀티(MM1)와, 상기 모노멀티(MM1)의 출력신호에 따라 상기 비교기(COM1)의 신호를 출력하고, 상기 비교기(COM2)의 출력신호에 따라 클리어되는 플립플롭(FF1)으로 구성한 것으로, 도면의 설명붕 미설명부호 Vcc는 전원단자이다.As shown in the accompanying drawings, a pyroelectric infrared sensor (S 1 , S 2 ), (S 3 , S 4 ) and field effect transistors (FET 1 ), (FET 2 ), respectively detecting the approach and withdrawal of the human body, Low-pass in the output signal of the human body approach and human body sense detection unit (1) (2) and the human body approach and human body sense detection unit (1) (2) of the resistors (R 1 , R 2 ), (R 3 , R 4 ) Resistor (R 5- R 8 ) (R 9- R 12 ) and capacitor (C 1 , C 2 ) (C 3 , C 4 ) that pass the signal. A low pass filter (3) (4) consisting of an operational amplifier (OP 1 ) (OP 2 ), and resistors (R 13 , R 14 ) and (R) for amplifying the output signal of the low pass filter (3) (4); 15 , R 16 and operational amplifiers OP 3 and OP 4 and the output signals of the amplifiers 5 and 6 compare the reference voltage Vref 1 (Vref 2 ). A comparator (COM 1 ) (COM 2 ), a mono multi (MM 1 ) for outputting a pulse signal according to the output signal of the comparator (COM 1 ), and the comparator according to the output signal of the mono multi (MM 1 ). It is composed of a flip-flop FF 1 that outputs the signal of (COM 1 ) and is cleared in accordance with the output signal of the comparator (COM 2 ).
이와 같이 구성된 본 고안의 작용효과를 상세히 설명하면 다음과 같다.Referring to the effect of the present invention configured in this way in detail as follows.
전원단자(Vcc)에 전원이 인가된 상태에서 인체가 초전형 적외선 센서(S1, S2)(S3, S4)의 감지범위 이내로 접근하면, 초전형 적외선 센서(S1, S2)(S3,S4)사 일정전압을 발생하여 전계효과 트랜지스터(FET1)(FET2)의 게이트에 인가되므로 전계효과 트랜지스터(FET1)(FET2)는 온되어 전원단자(Vcc)의 전원이 전계효과 트랜지스터(FET1)(FET2)를 통하고, 저역통과필터(3)(4)를 통해 잡음신호가 제거되며, 증폭기(5)(6)를 통해 증폭되어 비교기(COM1)(COM2)의 비반전입력단자(+)및 반전입력단자(-)에 각기 인가된다.When the human body approaches within the detection range of the pyroelectric infrared sensors (S 1 , S 2 ) (S 3 , S 4 ) while power is applied to the power supply terminal (Vcc), the pyroelectric infrared sensors (S 1 , S 2 ) Since (S 3 , S 4 ) generates a constant voltage and is applied to the gates of the field effect transistors FET 1 and FET 2 , the field effect transistors FET 1 and FET 2 are turned on to supply power to the power supply terminal Vcc. Through this field effect transistor (FET 1 ) (FET 2 ), the noise signal is removed through the low pass filter (3) (4), and amplified by the amplifier (5) (6) and the comparator (COM 1 ) ( COM 2 ) is applied to the non-inverting input terminal (+) and the inverting input terminal (-), respectively.
여기서, 초전형 적외선 센서(S1, S2)(S3, S4)가 인체를 감지할 때 증폭기(5)(6)의 출력전압이 기준전압(Vref1)(Vref2)보다 높게 하면, 비교기(COM2)에서 저전위가 출력되어 플립플롭(FF1)의 클리어단자(CLR)에 인가되므로 플립플롭(FF1)은 클리어되지 않고, 비교기(COM1)는 고전위를 출력하여 플립플롭(FF1)의 입력단자(D)에 인가됨과 아울러 모노멀티(MM1)에 입력된다.Here, when the pyroelectric infrared sensor (S 1 , S 2 ) (S 3 , S 4 ) detects the human body, if the output voltage of the amplifier (5) 6 is higher than the reference voltage (Vref 1 ) (Vref 2 ) a comparator is the low potential is output at (COM 2) so applied to the clear terminal (CLR) of flip-flop (FF 1) flip-flop (FF 1) is not cleared, the comparator (COM 1) by outputting the high potential flip It is applied to the input terminal D of the flop FF 1 and to the monomulti MM 1 .
따라서, 모노멀티(MM1)는 펄스신호를 출력하여 플립플롭(FF1)의 클럭단자(CLK)에 인가되므로 플립플롭(FF1)은 그의 입력단자(D)에 인가된 고전위에 의해 출력단자(Q)로 고전위를 출력하여 인체가 접근하였음을 알리게 된다.Therefore, since the mono multi MM 1 outputs a pulse signal and is applied to the clock terminal CLK of the flip-flop FF 1 , the flip-flop FF 1 is output terminal by the high potential applied to its input terminal D. The high potential is output as (Q) to indicate that the human body is approaching.
이와같은 상태에서 접근한 물체가 물러가면, 상기와는 반대로 초전형 적외선 센서(S1, S2)(S3, S4)가 저전위를 출력하여 전계효과 트랜지스터(FET1)(FET2)가 오프되므로 저역통과필터(3)(4)는 저전위를 출력하고, 증폭기(5)(6)도 저전위를 출력하여 비교기(COM1)(COM2)의 비반전입력단자(+)및 반전입력단자(-)에 인가된다.In this state, when the approaching object recedes, the pyroelectric infrared sensors S 1 , S 2 , S 3 , and S 4 output low potentials, and the field effect transistors FET 1 and FET 2 are reversed. the so-off low-pass filter (3) (4) outputs a low potential, an amplifier (5) and (6) a non-inverting input terminal (+) of the comparator (COM 1) (COM 2) outputs a low potential, and It is applied to the inverting input terminal (-).
따라서, 비교기(COM1)는 저전위를 출력하고, 비교기(COM2)는 고전위를 출력하여 플립플롭(FF1)의 클리어 단자(CLK)에 인가되므로 플립플롭(FF1)은 클리어되어 그의 출력단자(Q)로 저전위를 출력한다.Therefore, the comparator (COM 1) outputs a low potential, the comparator (COM 2) are so applied to the clear terminal (CLK) of the flip-flop (FF 1) and outputting the high potential flip-flop (FF 1) is clear his Output low potential to output terminal (Q).
이상에서 설명한 바와 같이 본 고안은 초전형 적외선 센서로 인체의 접근 및 물러감을 감지하므로 그 동작이 매우 원활함은 물론 인체의 접근 및 물러감을 정확히 판별할 수 있는 효과가 있다.As described above, the present invention detects the approach and withdrawal of the human body with a pyroelectric infrared sensor, and thus, the operation is very smooth and the effect of accurately determining the approach and withdrawal of the human body is obtained.
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KR2019870005076U KR890008291Y1 (en) | 1987-04-10 | 1987-04-10 | Distinctive circuit using intensity |
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KR2019870005076U KR890008291Y1 (en) | 1987-04-10 | 1987-04-10 | Distinctive circuit using intensity |
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KR880020242U KR880020242U (en) | 1988-11-30 |
KR890008291Y1 true KR890008291Y1 (en) | 1989-11-25 |
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KR2019870005076U KR890008291Y1 (en) | 1987-04-10 | 1987-04-10 | Distinctive circuit using intensity |
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1987
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