KR102126580B1 - Microwave sensor module for protecting vehicle passenger - Google Patents

Microwave sensor module for protecting vehicle passenger Download PDF

Info

Publication number
KR102126580B1
KR102126580B1 KR1020190023205A KR20190023205A KR102126580B1 KR 102126580 B1 KR102126580 B1 KR 102126580B1 KR 1020190023205 A KR1020190023205 A KR 1020190023205A KR 20190023205 A KR20190023205 A KR 20190023205A KR 102126580 B1 KR102126580 B1 KR 102126580B1
Authority
KR
South Korea
Prior art keywords
unit
signal
motion sensor
passenger
motion
Prior art date
Application number
KR1020190023205A
Other languages
Korean (ko)
Inventor
신교성
원상현
김민건
정진우
Original Assignee
주식회사 더유엠에스
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 주식회사 더유엠에스 filed Critical 주식회사 더유엠에스
Priority to KR1020190023205A priority Critical patent/KR102126580B1/en
Application granted granted Critical
Publication of KR102126580B1 publication Critical patent/KR102126580B1/en

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/0153—Passenger detection systems using field detection presence sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01512—Passenger detection systems
    • B60R21/01542—Passenger detection systems detecting passenger motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
    • B60R21/01566—Devices for warning or indicating mode of inhibition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R25/00—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles
    • B60R25/10—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device
    • B60R25/102—Fittings or systems for preventing or indicating unauthorised use or theft of vehicles actuating a signalling device a signal being sent to a remote location, e.g. a radio signal being transmitted to a police station, a security company or the owner
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Emergency Alarm Devices (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)

Abstract

The present invention relates to a microwave sensor module for detecting vehicle passengers, including: a motion sensor unit that detects the movement of an object; a processing unit that receives a motion signal output from the motion sensor unit, processes the motion signal through interaction with built-in software, and controls peripheral devices based on the result; and a power supply unit for applying operation power to the motion sensor unit and the processing unit. The motion sensor unit detects minute movement of a chest or an abdomen according to breathing, which is a biological signal, and generates a signal when a passenger in a vehicle is in a sleeping state and hardly moves.

Description

자동차 승객 감지용 마이크로웨이브 센서 모듈{Microwave sensor module for protecting vehicle passenger} Microwave sensor module for protecting vehicle passenger detection

본 발명은 자동차 승객 감지용 마이크로웨이브 센서 모듈에 관한 것으로, 더욱 상세하게는 차량내 승객 존재 유무를 감지할 수 있는 자동차 승객 감지용 마이크로웨이브 센서 모듈에 관한 것이다. The present invention relates to a microwave sensor module for automobile passenger detection, and more particularly, to a microwave sensor module for automobile passenger detection that can detect the presence or absence of a passenger in a vehicle.

차량내에 방치되어 열쇼크로 인해 사망하는 영유아의 수가 90년대 후반에 이미 에에백 오작동으로 인해 사망하는 영유아수를 넘어서고 있어 승용차 뒷자석의 승객 존재 유무를 확인하기 위한 센서에 대한 관심이 최근 급격히 증가하고 있다.Since the number of infants and toddlers who are left in the vehicle and die due to heat shock has already surpassed the number of infants and toddlers who die due to the malfunction of the E-Bag in the late 90s, interest in sensors to confirm the presence or absence of passengers in the rear seats of passenger cars has increased rapidly in recent years. have.

승객감지를 위한 센서에는 카메라, 적외선, 하중센서 등 다양한 방식이 채용되고 있으나 카메라의 경우는 차량내 조명 상태등에 따른 인식율 저하, 적외선 방식의 경우 차량내 온도 상승시 오작동, 하중센서는 사람과 일반 물체와 구분이 불가능한 것 등 문제점이 있어 채용 확대에 어려움이 있다.Various sensors such as cameras, infrared rays, and load sensors are used as sensors for detecting passengers, but in the case of cameras, the recognition rate decreases due to the lighting conditions in the vehicle, and in the case of infrared methods, malfunctions occur when the temperature in the vehicle rises, and load sensors are used for people and general objects There are problems such as inability to distinguish from and difficulties in expanding employment.

특히 영유아의 경우는 영유아 시트를 차량 승객석에 고정하기 때문에 기존의 센싱 방식으로는 인식이 거의 불가능하여 차량내 장착이 용이하고 성인 승객 뿐 아니라 영유아 시트에 있는 영유아까지 존재 유무를 감지할 수 있는 센서가 절실하게 필요한 상황이다. In particular, in the case of infants and toddlers, the seat is fixed to the passenger seat of the vehicle, so it is almost impossible to recognize it with the existing sensing method, so it is easy to install in the vehicle and there is a sensor that can detect the presence of infants in the infant seat as well as adult passengers. It is a desperately necessary situation.

상기와 같은 문제점을 해결하기 위한 본 발명의 목적은 차량내 장착이 용이하고 오작동 없이 승객의 존재 유무를 감지할 수 있는 자동차 승객 감지용 마이크로웨이브 센서 모듈을 제공하는데 있다.An object of the present invention for solving the above problems is to provide a microwave sensor module for automobile passenger detection that is easy to install in a vehicle and can detect the presence or absence of a passenger without malfunction.

상기와 같은 목적을 달성하기 위한 본 발명의 자동차 승객 감지용 마이크로 웨이브 센서 모듈은 물체의 움직임을 검출하는 모션센서부; 상기 모션센서부로부터 출력되는 움직임 신호를 받아들여 내장된 소프트웨어와의 상호작용에 의해 움직임 신호를 처리하여 그 결과를 토대로 주변장치를 제어하는 처리부; 및 상기 모션센서부와 처리부에 동작 전원을 인가하는 전원공급부;를 포함하되, 상기 모션센서부는 차량내 승객이 수면 상태로 움직임이 거의 없는 경우 생체신호인 호흡에 따른 가슴이나 복부의 미세한 움직임을 감지하여 신호를 발생하는 것을 특징으로 한다.The microwave sensor module for detecting automobile passengers of the present invention for achieving the above object is a motion sensor unit for detecting the movement of the object; A processing unit that receives a motion signal output from the motion sensor unit and processes a motion signal by interaction with built-in software to control a peripheral device based on the result; And a power supply unit for applying operating power to the motion sensor unit and the processing unit, wherein the motion sensor unit detects minute movements of the chest or abdomen due to breathing as a biosignal when there is little movement in the sleeping state of the passenger in the vehicle. It is characterized by generating a signal.

상기 모션센서부는 24GHz CMOS SoC를 이용하여 안테나 일체형 구조의 초소형 IC로 펄스 구동을 통해 저전력 특성을 구현할 수 있다.The motion sensor unit may implement a low power characteristic through pulse driving by using a 24GHz CMOS SoC as an ultra-compact IC having an antenna-integrated structure.

상기 처리부는 모션센서부의 중간주파수출력단에서 출력된 중간주파수 신호를 증폭하는 중간주파수증폭부와, 상기 중간주파수증폭부에서 증폭된 신호를 적분하는 적분기와, 상기 적분기를 통한 신호를 처리하여 물체의 존재 여부를 판단하는 신호판단부, 및 상기 신호판단부로부터 출력된 신호에 따라 주변장치를 구동시키기 위한 제어신호를 출력하는 제어부를 포함할 수 있다.The processing unit includes an intermediate frequency amplification unit for amplifying the intermediate frequency signal output from the intermediate frequency output unit of the motion sensor unit, an integrator for integrating the signal amplified by the intermediate frequency amplification unit, and the presence of an object by processing a signal through the integrator It may include a signal determining unit for determining whether and a control unit for outputting a control signal for driving a peripheral device according to the signal output from the signal determining unit.

상기 제어부에서 출력된 움직임 감지 신호에 따라 알람으로 차량내 승객의 수면을 깨우기 위해 구동하는 알람부를 더 포함할 수 있다.According to a motion detection signal output from the control unit, an alarm unit that is driven to awaken the sleep of the passenger in the vehicle by an alarm may be further included.

상기 제어부에서 차량내 승객이 감지되면 사용자 단말기로 무선으로 전송하는 통신부를 더 포함할 수 있다.When the passenger in the vehicle is detected by the control unit, a communication unit wirelessly transmitting to the user terminal may be further included.

상기와 같이, 본 발명에 따르면 차량내 장착이 용이하고 조명환경, 진동, 온도 등의 영향을 거의 받지 않으며, 오작동 없이 승객의 존재 유무를 감지하여 열쇼크로 인한 사망을 미연에 방지할 수 있다.As described above, according to the present invention, it is easy to install in a vehicle, and is hardly affected by lighting environment, vibration, temperature, and the like, and it is possible to detect the presence or absence of a passenger without malfunction and prevent death due to heat shock.

도 1은 본 발명에 따른 자동차 승객 감지용 마이크로 웨이브 센서 모듈을 나타낸 블록도이다.1 is a block diagram showing a microwave sensor module for vehicle passenger detection according to the present invention.

아래에서는 첨부한 도면을 참고로 하여 본 발명의 실시예에 대하여 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자가 용이하게 실시할 수 있도록 상세히 설명한다. 그러나 본 발명은 여러 가지 상이한 형태로 구현될 수 있으며 여기에서 설명하는 실시예에 한정되지 않는다. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art to which the present invention pertains can easily practice. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein.

그러면 본 발명의 실시예에 따른 자동차 승객 감지용 마이크로 웨이브 센서 모듈에 대하여 설명한다.Next, a microwave sensor module for detecting a passenger in a vehicle according to an embodiment of the present invention will be described.

도 1은 본 발명에 따른 자동차 승객 감지용 마이크로 웨이브 센서 모듈을 나타낸 블럭도이다.1 is a block diagram showing a microwave sensor module for vehicle passenger detection according to the present invention.

도 1을 참조하면, 본 발명에 따른 자동차 승객 감지용 마이크로 웨이브 센서 모듈은 물체의 움직임을 검출하는 모션센서부(10)와, 상기 모션센서부(10)로부터 출력되는 움직임 신호를 받아들여 내장된 소프트웨어와의 상호작용에 의해 움직임 신호를 처리하여 그 결과를 토대로 주변장치를 제어하는 처리부(20), 및 상기 모션센서부(10)와 처리부(20)에 동작 전원을 인가하는 전원공급부(30)를 포함하여 구성된다.Referring to FIG. 1, a microwave sensor module for detecting an automobile passenger according to the present invention includes a motion sensor unit 10 for detecting the movement of an object and a motion signal output from the motion sensor unit 10. A processing unit 20 for processing a motion signal by interaction with software and controlling a peripheral device based on the result, and a power supply unit 30 for applying operating power to the motion sensor unit 10 and the processing unit 20 It is configured to include.

상기 모션센서부(10)는 차량내 승객 감지용 센서로 물체의 움직임이 거의 없는 경우, 즉 승객이 수면 상태로 움직임이 거의 없는 경우 생체신호인 호흡에 따른 가슴이나 복부의 미세한 움직임을 감지하여 신호를 발생한다. The motion sensor unit 10 is a sensor for detecting in-vehicle passengers and detects minute movements of the chest or abdomen due to breathing, which is a biosignal when there is little movement of an object, that is, when the passenger has little movement in a sleeping state. Occurs.

이러한, 상기 모션센서부(10)는 펄스 레이더 모션센서로 24GHz 대역의 마이크로웨이브 신호를 생성하여 송신부(12)에서 발사된 전파 신호와 수신부(13)에서 물체에서 반사되어 돌아오는 신호와의 주파수 차를 이용하여 물체의 움직임을 센싱하는 도플러 방식으로 신호를 발생한다.The motion sensor unit 10 generates a microwave signal in the 24 GHz band with a pulse radar motion sensor, and the frequency difference between the radio wave signal emitted from the transmitter 12 and the signal reflected from the object and returned from the receiver 13 Generates a signal in a Doppler method that senses the movement of an object using.

한편, 상기 모션센서부(10)는 자동차의 시동이 꺼진 상태에서도 동작을 해야 하기 때문에 24GHz CMOS SoC를 이용하여 안테나 일체형 구조의 초소형 IC로 펄스 구동을 통해 저전력 특성을 구현할 수 있다.On the other hand, since the motion sensor unit 10 must operate even when the vehicle is turned off, a low power characteristic can be realized through pulse driving with an antenna-integrated micro IC using a 24 GHz CMOS SoC.

여기서, 상기 모션센서부(10)는 극초단파를 연속적으로 발진시키는 국부신호발생기(11)와, 상기 국부신호발생기(11)에서 생성된 극초단파를 공간으로 송출하도록 하는 송신부(12)와, 상기 송신부(12)로부터 송출되어 대상물에서 반사되어 되돌아온 신호를 수신하도록 하는 수신부(13)와, 상기 수신부(13)를 통해 수신된 수신주파수신호가 서로 혼합되어 중심주파수의 변환이 일어날 수 있도록 하는 주파수혼합기(14), 및 상기 주파수혼합기(14)로부터 출력된 중간주파수 신호를 필터링하는 중간주파수출력단(15)을 포함하여 구성된다.Here, the motion sensor unit 10 includes a local signal generator 11 for continuously oscillating microwaves, a transmitter 12 for transmitting the microwaves generated by the local signal generator 11 to the space, and the transmitter ( 12) a receiving unit 13 for receiving a signal returned from the object reflected by the object, and a frequency mixer 14 for mixing the received frequency signals received through the receiving unit 13 so that conversion of the center frequency can occur. ), and an intermediate frequency output terminal 15 for filtering the intermediate frequency signal output from the frequency mixer 14.

상기 처리부(20)는 모션센서부(10)의 중간주파수출력단(15)에서 출력된 중간주파수 신호를 증폭하는 중간주파수증폭부(21)와, 상기 중간주파수증폭부(21)에서 증폭된 신호를 적분하는 적분기(22)와, 상기 적분기(22)를 통한 신호를 처리하여 물체의 존재 여부를 판단하는 신호판단부(23), 및 상기 신호판단부(23)로부터 출력된 신호에 따라 주변장치를 구동시키기 위한 제어신호를 출력하는 제어부(24)를 포함하여 구성된다.The processing unit 20 includes an intermediate frequency amplifying unit 21 for amplifying the intermediate frequency signal output from the intermediate frequency output terminal 15 of the motion sensor unit 10, and a signal amplified by the intermediate frequency amplifying unit 21. An integrator 22 for integrating, a signal determination unit 23 for processing the signal through the integrator 22 to determine the presence of an object, and a peripheral device according to signals output from the signal determination unit 23 It comprises a control unit 24 for outputting a control signal for driving.

상기 적분기(22)는 중간주파수증폭부(21)의 출력단에서 교류전원 주기의 정수 배 시간 동안 적분 또는 평균하여 그 값이 일정량 이상 또는 이하일 때를 검출하도록 한다. The integrator 22 integrates or averages for an integer multiple of the AC power cycle at the output terminal of the intermediate frequency amplification unit 21 to detect when the value is above or below a certain amount.

상기 제어부(24)에서 출력된 움직임 감지 신호에 따라 알람으로 차량내 승객의 수면을 깨우기 위해 구동하는 알람부(40)를 더 포함할 수 있다.The control unit 24 may further include an alarm unit 40 that is driven to awaken the sleep of the passenger in the vehicle with an alarm according to the motion detection signal output from the controller 24.

또한, 상기 제어부(24)에서 차량내 승객이 감지되면 사용자 단말기로 무선으로 전송하는 통신부(50)를 더 포함할 수 있다. In addition, when the in-vehicle passenger is detected by the control unit 24, the communication unit 50 may be further wirelessly transmitted to the user terminal.

상기 전원공급부(30)는 인버터 등의 전력 변환장치, 스위칭 소자, 전력 제어회로로 내부 회로가 구성되며, 직류 전원을 교류 전원으로 변환하여 전원을 공급한다. The power supply unit 30 is composed of an internal circuit of a power converter such as an inverter, a switching element, and a power control circuit, and converts DC power into AC power to supply power.

이상에서 본 발명의 실시예에 대하여 상세하게 설명하였지만 본 발명의 권리범위는 이에 한정되는 것은 아니고 다음의 청구범위에서 정의하고 있는 본 발명의 기본 개념을 이용한 당업자의 여러 변형 및 개량 형태 또한 본 발명의 권리범위에 속하는 것이다.Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concept of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

10: 모션센서부 11: 국부신호발생기
12: 송신부 13: 수신부
14: 주파수혼합기 15: 중간주파수출력단
20: 처리부 21: 중간주파수증폭부
22: 적분기 23: 신호판단부
24: 제어부 30: 전원공급부
40: 알람부 50: 통신부 10: motion sensor unit 11: local signal generator
12: transmitting unit 13: receiving unit
14: frequency mixer 15: intermediate frequency output
20: processing unit 21: intermediate frequency amplification unit
22: integrator 23: signal judgment unit
24: control unit 30: power supply unit
40: alarm unit 50: communication unit

Claims (4)

물체의 움직임을 검출하는 모션센서부;
상기 모션센서부로부터 출력되는 움직임 신호를 받아들여 내장된 소프트웨어와의 상호작용에 의해 움직임 신호를 처리하여 그 결과를 토대로 주변장치를 제어하는 처리부; 및
상기 모션센서부와 처리부에 동작 전원을 인가하는 전원공급부;를 포함하되,
상기 모션센서부는 차량내 승객이 수면 상태로 움직임이 거의 없는 경우 생체신호인 호흡에 따른 가슴이나 복부의 미세한 움직임을 감지하여 신호를 발생하며,
상기 모션센서부는 24GHz CMOS SoC를 이용하여 안테나 일체형 구조의 초소형 IC로 펄스 구동을 통해 저전력 특성을 구현하는 것을 특징으로 하는 자동차 승객 감지용 마이크로 웨이브 센서 모듈.Motion sensor unit for detecting the movement of the object;
A processing unit that receives a motion signal output from the motion sensor unit and processes a motion signal by interaction with a built-in software to control a peripheral device based on the result; And
Includes; a power supply for applying operating power to the motion sensor unit and the processing unit,
The motion sensor unit detects minute movements of the chest or abdomen due to breathing, which is a bio-signal, when a passenger in the vehicle has little movement in a sleeping state, and generates a signal,
The motion sensor unit is a microwave sensor module for automobile passenger detection, characterized in that it implements a low-power characteristic through pulse driving with an antenna-integrated micro IC using a 24 GHz CMOS SoC. 삭제delete 제1항에 있어서,
상기 처리부는,
모션센서부의 중간주파수출력단에서 출력된 중간주파수 신호를 증폭하는 중간주파수증폭부와,
상기 중간주파수증폭부에서 증폭된 신호를 적분하는 적분기와,
상기 적분기를 통한 신호를 처리하여 물체의 존재 여부를 판단하는 신호판단부, 및
상기 신호판단부로부터 출력된 신호에 따라 주변장치를 구동시키기 위한 제어신호를 출력하는 제어부를 포함하는 것을 특징으로 하는 자동차 승객 감지용 마이크로 웨이브 센서 모듈.According to claim 1,
The processing unit,
An intermediate frequency amplifying unit for amplifying the intermediate frequency signal output from the intermediate frequency output terminal of the motion sensor unit,
An integrator for integrating the signal amplified by the intermediate frequency amplifying unit,
Signal determination unit for determining whether an object is present by processing a signal through the integrator, and
And a control unit outputting a control signal for driving the peripheral device according to the signal output from the signal determination unit. 제3항에 있어서,
상기 제어부에서 출력된 움직임 감지 신호에 따라 알람으로 차량내 승객의 수면을 깨우기 위해 구동하는 알람부를 더 포함하고,
상기 제어부에서 차량내 승객이 감지되면 사용자 단말기로 무선으로 전송하는 통신부를 더 포함하는 것을 특징으로 하는 자동차 승객 감지용 마이크로 웨이브 센서 모듈.According to claim 3,
Further comprising an alarm unit for driving to wake the sleep of the passenger in the vehicle with an alarm according to the motion detection signal output from the control unit,
A microwave sensor module for detecting a passenger in a vehicle, further comprising a communication unit wirelessly transmitting to a user terminal when a passenger in the vehicle is detected by the control unit.
KR1020190023205A 2019-02-27 2019-02-27 Microwave sensor module for protecting vehicle passenger KR102126580B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020190023205A KR102126580B1 (en) 2019-02-27 2019-02-27 Microwave sensor module for protecting vehicle passenger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020190023205A KR102126580B1 (en) 2019-02-27 2019-02-27 Microwave sensor module for protecting vehicle passenger

Publications (1)

Publication Number Publication Date
KR102126580B1 true KR102126580B1 (en) 2020-06-24

Family

ID=71407687

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020190023205A KR102126580B1 (en) 2019-02-27 2019-02-27 Microwave sensor module for protecting vehicle passenger

Country Status (1)

Country Link
KR (1) KR102126580B1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040048898A (en) * 2002-07-29 2004-06-10 후지쓰 텐 가부시키가이샤 In-vehicle human body detecting method
KR101800613B1 (en) * 2016-10-19 2017-11-24 주식회사 세일테크놀러지 Emergency alert apparatus in the inside of vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040048898A (en) * 2002-07-29 2004-06-10 후지쓰 텐 가부시키가이샤 In-vehicle human body detecting method
KR100639622B1 (en) * 2002-07-29 2006-10-31 후지쓰 텐 가부시키가이샤 Method and apparatus for detecting human body in a vehicle
KR101800613B1 (en) * 2016-10-19 2017-11-24 주식회사 세일테크놀러지 Emergency alert apparatus in the inside of vehicle

Similar Documents

Publication Publication Date Title
KR101697542B1 (en) Pulse doppler radar apparatus for motion detection using the same
US9865150B2 (en) Millimetre-wave seat occupation radar sensor
US10276016B2 (en) Child abandonment monitor
US20170036541A1 (en) Mm-wave radar driver fatigue sensor apparatus
CA2199121C (en) Range-gated field disturbance sensor with range-sensitivity compensation
US20190120952A1 (en) Human body detection sensor using doppler radar
KR102389526B1 (en) In-vehicle life detection system and detection method thereof
EP3446917B1 (en) Child abandonment monitor
EP3831647A1 (en) Vehicle occupant detection device
JP2003066157A (en) Method for detecting human body in vehicle
US20210181328A1 (en) Sensing method and sensing device
KR20180024771A (en) Passenger monitoring method and system in vehicle
EP1210254A1 (en) Intrusion detector with power consumption control and method for intrusion detection
KR102126580B1 (en) Microwave sensor module for protecting vehicle passenger
KR100859528B1 (en) Microwave motion sensor module to decrease electromagnetic interference
US20080007405A1 (en) Outdoor warning device
JP7339010B2 (en) Approach detection device and approach detection system
CN109313265B (en) Composite movement detection system and use method thereof
JP2020056628A (en) Signal processor, sensor system, alarm system, and vehicle
JP2023502176A (en) Microwave sensor for security surveillance with improved false alarm rate by biosignal sensing
JP6427772B2 (en) Battery-powered security device
KR20040034231A (en) Microwave motion sensor module that use radio frequency and Perception method of object to use thereof
KR101068721B1 (en) A low power ultrasonic intruder detector for automobile and the method thereof
JP2006123728A (en) In-vehicle theft watch machine
CN114407777B (en) Life entity detection method, life entity detection device, storage medium and computer equipment

Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant