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KR20130058187A - Gas sensor using smartphone's audio interface and method of use - Google Patents

Gas sensor using smartphone's audio interface and method of use Download PDF

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KR20130058187A
KR20130058187A KR1020110124059A KR20110124059A KR20130058187A KR 20130058187 A KR20130058187 A KR 20130058187A KR 1020110124059 A KR1020110124059 A KR 1020110124059A KR 20110124059 A KR20110124059 A KR 20110124059A KR 20130058187 A KR20130058187 A KR 20130058187A
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audio interface
smartphone
gas sensor
sensor
chip
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김웅겸
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후퍼소프트 주식회사
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/16—Sound input; Sound output
    • G06F3/162—Interface to dedicated audio devices, e.g. audio drivers, interface to CODECs
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Combustion & Propulsion (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Telephone Function (AREA)

Abstract

PURPOSE: A gas sensor device using the audio interface of a smart phone and a method are provided to utilize the audio interface through a headset port, thereby measuring gas by using the smart phone with standard audio interface. CONSTITUTION: A gas sensor device(100) comprises an IC chip and an output jack(102). The IC chip modulates measured data and controls a sensor. The output jack is connected to the audio interface of a smart phone. The sensor and the IC chip are arranged inside a housing unit.

Description

스마트폰의 오디오 인터페이스를 이용한 가스 센서 장치와 방법 {Gas sensor using smartphone’s audio interface and method of use}Gas sensor device and method using audio interface of smartphone {Gas sensor using smartphone ’s audio interface and method of use}

[0001] 본 발명은 스마트폰의 오디오 인터페이스를 이용하여, 가스 센서에 전원을 공급하고 , 센서에서 읽어들인 데이터를 오디오 인터페이스를 통해 스마트폰에 전송하는 장치 및 방법에 관한 것이다. 더욱 상세하게는, 스마트폰의 오디오 인터페이스에 연결하여 동작하는 휴대용 가스 센서에 관한 것이다.The present invention relates to an apparatus and method for supplying power to a gas sensor and transmitting data read from the sensor to a smartphone through an audio interface using an audio interface of the smartphone. More particularly, the present invention relates to a portable gas sensor that operates by connecting to an audio interface of a smartphone.

[0002] 가스 센서는 여러가지 사물에 다양하게 사용되고 있다. 가스 센서 리더기는 전용리더기로서 소프트웨어가 탑재된 독자적인 장치가 주로 사용된다.Gas sensors are used in a variety of things. The gas sensor reader is a dedicated reader, and a proprietary device equipped with software is mainly used.

[0003] 가스 센서와 이와 연동되는 호스트 장치의 경우 단일 목적의 소프트웨어만을 제공하므로 효용성과 범용성이 떨어진다.In the case of the gas sensor and the host device interworking with it, the utility and the versatility are poor because only a single purpose software is provided.

[0004] 스마트폰은 휴대폰 내에 범용 운영체제를 탑재함으로써 가스 센서 리더기의 훌륭한 호스트가 될 수 있으며, 휴대폰이라는 장치의 특성상 휴대성과 보급성에서 매우 뛰어나다.Smartphones can be a great host of the gas sensor reader by mounting a general-purpose operating system in the mobile phone, and is very excellent in portability and availability in the nature of the device called a mobile phone.

[0005] 하지만 스마트폰은 제작업체마다 다른 인터페이스 연결방식을 제공하며, 때로는 모델마다 각기 다른 인터페이스 연결 방식을 채택하기도 하여, 스마트폰 모델 혹은 상품 그룹군마다 각기 다른 가스 센서 리더기를 제작하여야만 통신이 가능하다. However, the smartphone provides a different interface connection method for each manufacturer, and sometimes adopts a different interface connection method for each model, the communication can only be produced by producing different gas sensor reader for each smartphone model or product group group Do.

[0006] 따라서, 상술한 문제점을 해결하기 위하여 본 발명이 해결하고자 하는 과제는, 스마트폰의 범용 오디오 인터페이스(헤드폰,이어폰 잭)를 이용하여, 가스 센서 리더기와 스마트폰과의 통신을 가능하게 하는 센서 장치 및 방법을 제공하는 것이다.Therefore, the problem to be solved by the present invention in order to solve the above problems, by using a universal audio interface (headphone, earphone jack) of the smartphone, to enable communication between the gas sensor reader and the smartphone It is to provide a sensor device and method.

[0007] 또한, 본 발명이 해결하고자 하는 다른 기술적 과제는, 본 장치에 포함되는 IC칩에서 사용되는 전원을 오디오 인터페이스를 통해 스마트폰에서 공급하는 장치 및 방법을 제공하는 것이다.In addition, another technical problem to be solved by the present invention is to provide an apparatus and method for supplying the power used in the IC chip included in the device from the smart phone through the audio interface.

[0008] 전술한 기술적 과제를 달성하기 위한 본 발명의 실시예에 따른, 스마트폰의 오디오 인터페이스를 이용한 가스 센서 장치와 방법은, 가스를 측정하는 제 1과정; 측정된 데이터를 아날로그 파형으로 발생하는 제 2과정; 아날로그 파형을 스마트폰에 전송하는 제 3과정; 아날로그 파형을 증폭하는 제 4과정; 디지털 데이터로 변환하는 제 5과정; 디지털 데이터를 디코딩하는 제 6과정을 포함한다.According to an embodiment of the present invention for achieving the above technical problem, a gas sensor device and method using an audio interface of the smart phone, the first process of measuring the gas; A second step of generating measured data as an analog waveform; A third step of transmitting an analog waveform to a smartphone; A fourth step of amplifying the analog waveform; A fifth step of converting the digital data; A sixth process of decoding digital data is included.

[0009] 기타 실시예들의 구체적인 사항들은 상세한 설명 및 도면들에 포함되어 있다.Details of other embodiments are included in the detailed description and drawings.

[0010] 상기한 바와 같은 본 발명의 실시예에 따른 스마트폰의 오디오 인터페이스를 이용한 가스 센서 장치와 방법은 스마트폰에서 동일하게 제공하고 있는 헤드셋 포트를 통한 오디오 인터페이스를 이용하여, 표준 오디오 인터페이스를 구현한 어떠한 스마트폰에서라도 가스를 측정할 수 있는 장치와 방법을 제공할 수 있는 효과가 있다.Gas sensor device and method using the audio interface of the smart phone according to an embodiment of the present invention as described above, using the audio interface through the headset port provided in the same smartphone, implements a standard audio interface There is an effect that can provide a device and method for measuring gas in any smartphone.

도 1은 본 발명의 실시 예에 적용되는 가스 센서 장치에 대한 개괄도, 도 는 가스 센서 장치(100)의 스키마틱 다이어그램, 도 3은 본 발명의 실시예에 적용되는 블록 다이어그램, 도 4는 본 발명의 실시예에 따른 장치(100)와 스마트폰(103)의 실제 연결 모습을 보인 것이다.1 is a schematic diagram of a gas sensor device applied to an embodiment of the present invention, or a schematic diagram of a gas sensor device 100, FIG. 3 is a block diagram applied to an embodiment of the present invention, FIG. According to an embodiment of the invention is shown the actual connection between the device 100 and the smartphone 103.

[0011] 이하 본 발명의 실시예를 첨부된 도면을 참조하여 상세히 설명한다. 우선, 각 도면의 구성 요소들에 참조부호를 부가함에 있어서, 동일한 구성요소들에 대해서는 비록 다른 도면상에 표시되더라도 동일한 부호가 사용되고 있음에 유의해야 한다. 본 발명을 설명함에 있이서, 공지된 기능 혹은 구성에 대한 구체적인 설명이 본 발명의 요지를 흩트리지 않도록 하기 위하여 생략됨을 유의하여야 한다.Hereinafter with reference to the accompanying drawings an embodiment of the present invention will be described in detail. First, in adding reference numerals to the components of each drawing, it should be noted that the same reference numerals are used for the same components, even if displayed on different drawings. In describing the present invention, it should be noted that specific descriptions of well-known functions or configurations are omitted in order not to obscure the subject matter of the present invention.

[0012] 도 1은 본 발명의 실시예에 적용되는 가스 센서 장치에 대한 개괄도를 보인 것이다. Figure 1 shows an overview of the gas sensor device applied to an embodiment of the present invention.

[0013] 도 1의 가스 센서 장치(100)는 하우징(101)을 통해 내재되어 있으며, 출력 잭(102)을 지닌다. 출력 잭(102)은 하우징(101)의 외부로 노출되어 있으며, 스마트폰(103)의 라인 입력이나 헤드셋 포트 같은 소켓(104)에 연결될 수 있다.The gas sensor device 100 of FIG. 1 is embedded through the housing 101 and has an output jack 102. The output jack 102 is exposed to the outside of the housing 101 and may be connected to a socket 104 such as a line input or a headset port of the smartphone 103.

[0014] 출력 잭(102)는 TRS(tip,ring,sleeve) 커넥터로서 오디오 잭, 폰 플러그, 잭 플러그, 스테레오 플러그, 미니 잭 또는 미니 스테레오 오디오 커넥터로도 불리운다. 또한 크기에 있어서 2.5mm 혹은 3.5mm로 다양할 수 있다.Output jack 102 is also referred to as an audio jack, phone plug, jack plug, stereo plug, mini jack or mini stereo audio connector as a TRS (tip, ring, sleeve) connector. It can also vary in size, either 2.5mm or 3.5mm.

[0015] 도 2는 가스 센서 장치(100)의 스키마틱 다이어그램이다.2 is a schematic diagram of a gas sensor device 100.

[0016] 가스 센서 장치(100)는 가스를 측정할 수 있는 센서(110)부와 센서 데이터를 변조하고 센서를 콘트롤하는 IC칩(111)이 있으며, IC칩(111)은 출력 잭(102)과 연결되어 회로를 완성한다. 센서(100)부의 경우 반도체 센서, 세라믹 습온 센서, 압전체 센서, 접촉 연소식 센서, 고체 전해질 센서, 전기화학 센서 및 적외선 흡수식 센서등 다양할 수 있다.Gas sensor device 100 has a sensor 110 that can measure the gas and the IC chip 111 to modulate the sensor data and control the sensor, IC chip 111 is the output jack 102 Connected to the circuit to complete the circuit. In the case of the sensor 100, a semiconductor sensor, a ceramic wet temperature sensor, a piezoelectric sensor, a contact combustion sensor, a solid electrolyte sensor, an electrochemical sensor, and an infrared absorption sensor may be various.

[0017] IC칩(111)은 출력 잭(102)의 좌측 이어폰 팁(112) 혹은 우측 이어폰 링(113)을 통해 전원을 공급받으며, 출력 잭(102)의 마이크로폰 슬리브(114)를 통해 스마트폰(103)으로 데이터를 전송한다. IC chip 111 is supplied with power via the left earphone tip 112 or the right earphone ring 113 of the output jack 102, the smartphone through the microphone sleeve 114 of the output jack 102 Send data to 103.

[0018] 한쌍의 선(115,116)은 소켓 (104)에 연결되어 아날로그 증폭기(117)와 연결된다. 아날로그 증폭기(117)는 가스 센서 장치(100)로 부터 아날로그 신호를 받아서, 아날로그디지털 컨버터(118)로 전송하여 디지털 샘플 데이터로 변환된다.A pair of wires 115, 116 are connected to the socket 104 and connected to the analog amplifier 117. The analog amplifier 117 receives an analog signal from the gas sensor device 100, transmits the analog signal to the analog-digital converter 118, and converts the digital signal into digital sample data.

[0019] 변환된 디지털 샘플 데이터는 마이크로프로세서(119)에 전송되어 처리가 된다. 본 발명의 요지를 명확하게 하고자, 스마트폰(103)의 모든 구성요소는 포함되어 있지 않았으며, 스마트폰은 일반적인 스마트폰이 포함하고 있는 플래쉬 롬, SRAM, 카메라, 배터리, LCD, 디스플레이, 안테나, 스피커, 블루투스, WiFi 회로 등을 포함할 수 있다.The converted digital sample data is sent to the microprocessor 119 is processed. In order to clarify the gist of the present invention, all the components of the smart phone 103 are not included, and the smart phone includes a flash ROM, a SRAM, a camera, a battery, an LCD, a display, an antenna, It may include a speaker, Bluetooth, WiFi circuit and the like.

[0020] 도 3은 본 발명의 실시예에 적용되는 블록 다이어그램을 보인 것이다.3 shows a block diagram applied to an embodiment of the present invention.

[0021] 도 4는 본 발명의 실시예에 따른 장치(100)와 스마트폰(103)의 실제 연결 모습을 보인 것이다.
Figure 4 shows the actual connection of the device 100 and the smartphone 103 according to an embodiment of the present invention.

Claims (1)


1. 가스 센서 장치 :
가스 측정을 위한 센서
측정된 데이터의 변조 및 센서를 콘트롤 하는 IC칩
스마트폰의 오디오 인터페이스에 연결되는 출력 잭
2. 청구항 1의 센서와 IC칩은 하우징안에 포함
3. 청구항 1의 출력 잭은 3.5mm 잭
4. 청구항 1의 출력 잭은 하우징 외부에 노출
5. 가스 센서 장치 :
가스 측정을 위한 센서
측정된 데이터의 변조 및 센서를 콘트롤 하는 IC칩
스마트폰의 오디오 인터페이스에 연결되는 출력 잭
6. 청구항 5의 센서와 IC칩은 하우징안에 포함
7. 청구항 5의 출력 잭은 2.5mm 잭
8. 청구항 5의 안테나와 출력 잭은 하우징 외부에 노출
1.Gas sensor device:
Sensor for gas measurement
IC chip to control and modulate the measured data
Output jack that connects to the smartphone's audio interface
2. The sensor and IC chip of claim 1 are contained within the housing.
3. The output jack of claim 1 is a 3.5mm jack
4. The output jack of claim 1 is exposed outside the housing
5. Gas sensor device:
Sensor for gas measurement
IC chip to control and modulate the measured data
Output jack that connects to the smartphone's audio interface
6. The sensor and IC chip of claim 5 are contained within the housing.
7. The output jack of claim 5 is a 2.5mm jack
8. The antenna and output jack of claim 5 are exposed outside the housing
KR1020110124059A 2011-11-25 2011-11-25 Gas sensor using smartphone's audio interface and method of use Withdrawn KR20130058187A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103868827A (en) * 2014-03-04 2014-06-18 深圳市芯通信息科技有限公司 Mobile terminal-based air quality detection device and method
US10241105B2 (en) 2016-01-25 2019-03-26 Samsung Electronics Co., Ltd. Portable device having exhalation sensing function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103868827A (en) * 2014-03-04 2014-06-18 深圳市芯通信息科技有限公司 Mobile terminal-based air quality detection device and method
US10241105B2 (en) 2016-01-25 2019-03-26 Samsung Electronics Co., Ltd. Portable device having exhalation sensing function

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Patent event date: 20111125

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