WO2014077430A1 - Éthylomètre comprenant une fonction d'affichage de défaillance - Google Patents

Éthylomètre comprenant une fonction d'affichage de défaillance Download PDF

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Publication number
WO2014077430A1
WO2014077430A1 PCT/KR2012/009719 KR2012009719W WO2014077430A1 WO 2014077430 A1 WO2014077430 A1 WO 2014077430A1 KR 2012009719 W KR2012009719 W KR 2012009719W WO 2014077430 A1 WO2014077430 A1 WO 2014077430A1
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WO
WIPO (PCT)
Prior art keywords
magnification
signal
alcohol
amplification
malfunction
Prior art date
Application number
PCT/KR2012/009719
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English (en)
Korean (ko)
Inventor
박광희
Original Assignee
주식회사 디에이텍
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 디에이텍 filed Critical 주식회사 디에이텍
Priority to PCT/KR2012/009719 priority Critical patent/WO2014077430A1/fr
Publication of WO2014077430A1 publication Critical patent/WO2014077430A1/fr

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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
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/483—Physical analysis of biological material
    • G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
    • 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
    • G01N33/48—Biological material, e.g. blood, urine; Haemocytometers
    • G01N33/50—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
    • G01N33/98—Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing involving alcohol, e.g. ethanol in breath

Definitions

  • the present invention relates to a breathalyzer with a malfunction display function, and more particularly, to a breathalyzer that determines whether a device malfunctions by using a detection signal in response to other gas particles in an exhalation and displays it externally. .
  • the breathalyzer monitors the alcohol concentration (BAC) in response to the detection signal by detecting the alcohol particles contained in the exhalation when the subject measures the breathing apparatus and breathes the breath. Device.
  • BAC alcohol concentration
  • the conventional breathalyzer configured as described above operates when a breath is introduced into the breathing port so that the pump connected to the rear end of the breathing port is pumped and breathed into the alcohol sensor module to detect the breath.
  • an object of the present invention is to detect the malfunction of the device caused by the failure of the pump and foreign matter on the exhalation injection line to the outside by displaying the malfunction of the breathalyzer It is to provide a breathalyzer with a malfunction indication function that can be confirmed immediately to measure the alcohol concentration more accurately.
  • the breathing apparatus 170 in the breathalyzer to detect the alcohol particles contained in the breath of the subject flowing through the breathing apparatus 170 to display on the outside, the breathing apparatus 170 is in communication with the breathing inside An alcohol sensor module 110 which is injected into and reacts relatively sensitively with the alcohol particles contained in the exhalation, but reacts relatively insensitively with other gas particles other than the alcohol particles in the exhalation;
  • the first magnification amplified signal is amplified by the first magnification so that the detection signal for the alcohol particles can be recognized, and the detection signal relative to the first magnification so that the detection signal for the other gas particles can be recognized.
  • a breathalyzer comprising;
  • the amplifying unit 120, the first amplifying circuit unit 121 for amplifying and outputting the detection signal from the alcohol sensor module 110 to a first magnification amplification signal, and the detection signal A second amplification circuit section 122 for amplifying and outputting a second magnification amplification signal, wherein the control unit 130, each amplification amplified from the first amplifying circuit section 121 and the second amplifying circuit section 122 Simultaneously receive the signal to determine the alcohol concentration and determine whether it is malfunctioning, extract the data value corresponding to the first magnification signal received from the previously stored alcohol concentration reference data to calculate the alcohol concentration of the exhalation, and detect other gas stored
  • a breathalyzer is provided which compares a reference value with a received second magnification signal and determines whether there is a malfunction.
  • the amplification unit 120 when the detection signal from the alcohol sensor module 110 receives a first magnification amplification signal, the error check signal of the control unit 130 ( When the E) is received, the circuit is configured to output the second magnification amplification signal, and the control unit 130 extracts a data value corresponding to the first magnification amplification signal received from the pre-stored alcohol concentration reference data to extract alcohol.
  • the error check signal E
  • a breathalyzer characterized in that by comparing the previously stored other gas detection reference value and the received second magnification signal to determine whether the malfunction.
  • the pump malfunction and foreign matter on the inhalation line Due to this, it is possible to immediately check the malfunction state in which the subject's breath is not introduced to the alcohol sensor module, so that the alcohol concentration can be measured more accurately.
  • the basic data for determining whether the breathalyzer is malfunctioning can be obtained through the OP amplifier circuit having a relatively simple circuit configuration, thereby reducing the manufacturing cost of the breathalyzer.
  • one OP amplifier may output a first magnification signal for calculating alcohol concentration and a second magnification signal for determining malfunction, and each amplified signal may be sequentially analyzed to provide a low specification.
  • Microprocessors can also be used to further reduce the manufacturing cost of breathalyzers.
  • the analysis of the second magnification signal is performed while the first magnification signal is being analyzed, it is possible to first determine whether the device is malfunctioning, thereby displaying the malfunction state more quickly.
  • FIG. 1 is a perspective view showing an external configuration of a breathalyzer according to a preferred embodiment of the present invention
  • FIG. 2 is a schematic view showing a detailed configuration of a sensor module according to an embodiment of the present invention
  • Figure 3a is a graph measuring the waveform of the detection signal in response to the alcohol particles
  • Figure 3b is a graph measuring the waveform of the detection signal in response to other gas particles
  • 4A is a graph measuring a waveform of amplifying a detection signal in response to an alcohol particle at a first magnification
  • 4b is a graph measuring a waveform of amplifying a detection signal in response to an alcohol particle at a second magnification
  • 5A is a circuit diagram illustrating a circuit configuration in which an amplifying unit includes two amplifying circuits according to a preferred embodiment of the present invention
  • FIG. 5B is a flowchart for explaining an operation principle of the amplifier shown in FIG. 5A;
  • 6A is a circuit diagram illustrating a circuit configuration in which an amplifier part includes one amplification circuit part according to a preferred embodiment of the present invention
  • FIG. 6B is a flowchart for describing an operation principle of the amplifier shown in FIG. 6A.
  • the alcohol sensor is sensitive to the alcohol particles contained in the exhalation, as well as nitrogen (N 2 ), oxygen contained in the exhalation Pump misoperation and exhalation by using insensitive response to other gas particles such as (O 2 ), moisture (H 2 O), hydrogen (H 2 ) and carbon oxide (CO x )
  • N 2 nitrogen
  • O 2 oxygen contained in the exhalation Pump misoperation and exhalation by using insensitive response to other gas particles such as (O 2 ), moisture (H 2 O), hydrogen (H 2 ) and carbon oxide (CO x )
  • FIGS. 1 and 2 As shown in the alcohol sensor module 110, amplifying unit 120 and the control unit 130 is provided.
  • the alcohol sensor module 110, the amplifying unit 120 and the control unit 130 is mounted inside the main body case 160 forming the appearance of the breathalyzer 100, the outside of the main body case 160
  • a breathing port 170 that is an inlet of the breath of the subject, a display unit 140 displaying alcohol concentration and malfunction, and a speaker 141 that outputs the alcohol concentration and malfunction as a sound may be provided.
  • the breathalyzer 100 according to a preferred embodiment of the present invention may be provided to transmit information on the alcohol concentration and malfunctions to other devices such as a smartphone through a wired or wireless network communication network.
  • the alcohol sensor module 110 is in communication with the breathing port 170, the exhalation is injected into the inside, and reacts relatively sensitive to the alcohol particles contained in the exhalation to output a relatively large sense signal as shown in Figure 3a
  • the breath of the subject does not include alcohol particles, as shown in Figure 3b and reacts relatively insensitive to other gas particles other than the alcohol particles in the breath, and outputs a sense signal of a weak size.
  • one side of the alcohol sensor module 110 is in communication with the breathing port 170 is formed with an inlet 171 for injecting exhalation into the alcohol sensor module 110, the other side is a breath sensor injected into the alcohol sensor
  • the pumping pipe 151 connected to the pump 150 is fastened so as to enter the pump 150 through the module 110, and the breathing port 170 is sucked into the inside by the pumping operation of the pump 150.
  • the detection signal output from the alcohol sensor module 110 is transmitted to the control unit 130 via the amplification unit 120 connected to the rear end is used as basic data for measuring the alcohol concentration and malfunction of the device.
  • the amplification unit 120 is connected to the alcohol sensor module 110 to receive the output detection signal, the amplification of the received detection signal at a magnification corresponding to the range that can be recognized by the controller 130 is configured to output As an element, amplifying the detection signal to a magnitude of the first magnification so as to detect alcohol particles contained in the breath of the subject to measure the alcohol concentration, and detect other gas particles contained in the breath to detect the alcohol concentration of the breathalyzer 100.
  • the detection signal is amplified to a magnitude of a second magnification so as to determine whether a malfunction occurs, and the amplified first magnification amplification signal and the second magnification amplification signal are transmitted to the controller 130.
  • the control unit may analyze the signal normally in a microprocessor such as the controller 130. Amplify at a first magnification (for example, 680 times), which is a size recognizable at 130.
  • the second magnification for example, 1,500
  • the control unit 130 can recognize it only after amplification.
  • the detection signal and the detection signal is not detected alcohol alcohol (other gas In the case of a detection signal for detecting particles, the gap of the waveform is too large, and when amplifying the detection signal only at the first magnification as shown in FIG. 4A, it is not possible to analyze minute changes in the detection data caused by other gas particles.
  • FIG. 4B when the detection signal is amplified at the second magnification so as to distinguish the detection data by the other gas particles, the range of the normal alcohol concentration analysis may be very narrow. Therefore, in the breathalyzer 100 according to the preferred embodiment of the present invention, the detection signal is different from the first magnification signal for use in alcohol concentration measurement and the second magnification signal for use in determining malfunction. Amplify to use.
  • the controller 130 is connected to the amplifier 120 to receive the first magnification signal and the second magnification signal, and the alcohol concentration reference data for alcohol concentration calculation and other gas detection reference values for malfunction determination are
  • the stored memory 132 is provided.
  • the alcohol concentration data value corresponding to the second magnification amplification signal is extracted from the alcohol concentration reference data through waveform analysis of the received first magnification amplification signal, to calculate the alcohol concentration of the exhalation, and display it on the display unit 140. .
  • the device operates normally to generate the other gas. Is determined, and if small, no other gas is detected, that is, no malfunction is introduced into the alcohol sensor module 110 due to a malfunction of the device, and thus the other gas is not detected. Indicates a malfunction.
  • the amplifying unit 120 outputs a signal amplified at different magnifications such as the first magnification amplification signal and the second magnification amplification signal as described above, from the alcohol sensor module 110 as shown in FIG.
  • the circuit is configured using two OP amplifiers U1 and U3 that amplify the detection signal at different magnifications, or at different magnifications according to the error check signal E of the controller 130 as shown in FIG. 6A.
  • the circuit can be configured by using one OP amplifier U4 to amplify.
  • the amplifier 120 amplifies the received detection signal into a first magnification amplification signal.
  • a first amplifying circuit section 121 for outputting and a second amplifying circuit section 122 for amplifying the detection signal into a second magnification amplifying signal.
  • the first amplification circuit unit 121, the OP amplifier (U1) is connected to the input terminal 131 of the output signal is input to the input terminal 131 of the alcohol sensor module 110
  • the OP A resistor R3 and a resistor R4 are circuit-connected to a circuit line between an output terminal of the amplifier U1 and an input terminal 131 of the controller 130.
  • the output voltage amplified by the first amplification circuit section 121 (Vout: the voltage of the first magnification amplification signal) is the magnitude of the resistance value of the resistors R3 and R4 as shown in Equation 1 below. It depends on.
  • the second amplification circuit unit 122 is an OP amplifier (U3) and the output terminal is connected to the input terminal 131 of the control unit 130, the sensing signal of the alcohol sensor module 110 is input to the input terminal, the OP amplifier (U3) And a resistor (R6) and a resistor (R7) circuit-connected to the circuit line between the output terminal of the control unit and the input terminal 131 of the controller 130. Therefore, the output voltage amplified by the second amplification circuit section 122 (Vout: the voltage of the second magnification amplification signal) is the magnitude of the resistance value of the resistors R6 and R7 as shown in Equation 2 below. It depends on.
  • the operation principle according to the circuit configuration of the amplifying unit 120 including the first amplifying circuit unit 121 and the second amplifying circuit unit 122 will be described with reference to FIG. 5B.
  • the breath is introduced, the breath is injected into the alcohol sensor module 110 by the pumping operation of the pump 150.
  • the controller 130 simultaneously receiving the first magnification signal and the second magnification signal from the amplifier 120 analyzes the waveform of each amplification signal (S240), and stores the other gas detection reference value and the second magnification amplification signal stored in advance. To determine whether the other gas is detected by comparing the (S250), if the other gas is not detected from the second magnification signal is determined to be a malfunction and displays a malfunction on the display unit 140 (S260), if the other gas is detected normal Judging by the operation, the alcohol concentration of the breath according to the analysis result of the first magnification signal is displayed on the display unit 140. (S270)
  • the amplifier 120 when the amplifier 120 is configured using a single OP amplifier U4, the amplifier 120, the detection signal of the alcohol sensor module 110 is input to the input terminal, the output terminal is An OP amplifier U4 connected to the input terminal 131 of the controller 130, a resistor R10 circuit-connected to a circuit line between the output terminal of the OP amplifier U4 and the input terminal 131 of the controller 130, and Resistor R12, a resistor R11 circuit-connected between the circuit line between the resistors R10 and R12 and the other output terminal of the OP amplifier U4, and the resistor R12 and the controller 130.
  • the circuit is connected to the output terminal (I / O) of the circuit is configured to include a transistor (Q1) is turned on by the error check signal (E) output from the controller 130.
  • the output voltage (Vout: voltage of the first magnification signal) amplified by the amplifier 120 when the transistor Q1 is turned off because the error check signal E of the controller 130 is not received is As shown in Equation 3 below, it is determined and output according to the magnitude of each resistance value of the resistor R10, resistor R11, and resistor R12.
  • the controller 130 operates to output an error check signal E according to a predetermined period to the input terminal of the transistor Q1 so that the second magnification signal can be monitored and analyzed while analyzing the first magnification signal.
  • the output voltage Vout amplified by the amplifier 120 in the state where the transistor Q1 is turned off by the error check signal E is represented by Equation 4 below. Similarly, it is determined and output according to the magnitude of the resistance value of the composite resistor R 0 .
  • the operation principle according to the circuit configuration of the amplifying unit 120 including the first amplifying circuit unit 121 and the second amplifying circuit unit 122 will be described with reference to FIG. 6B.
  • the breath is introduced, the breath is injected into the alcohol sensor module 110 by the pumping operation of the pump 150 (S310). Subsequently, the alcohol sensor module 110 outputs a sensing signal having a magnitude corresponding to the degree of reaction while chemically reacting with the alcohol particles or other gas particles included in the exhalation to the amplification unit 120 (S320). 120 amplifies the received detection signal at a first magnification and outputs it to the controller 130 (S330).
  • the controller 130 receiving the first magnification signal from the amplifier 120 may analyze the waveform of the first magnification signal and simultaneously monitor and analyze the waveform of the second magnification signal.
  • the error check signal E is outputted to the transistor Q1 of FIG. 2) (S340), and the amplification unit 120 multiplies the detected signal received by the transistor Q1 by the second time by the error check signal E. Amplified by the output to the control unit 130 (S350).
  • the controller 130 analyzes the previously stored other gas detection reference value and the second magnification amplification signal (S360), and determines whether to detect other gas from the second magnification amplification signal according to the analysis result (S370). If no other gas is detected from the amplified signal, it is determined to be a malfunction and a malfunction is displayed on the display unit 140 (S380). If the other gas is detected, it is determined to be normal operation and alcohol of the exhalation according to the analysis result of the first magnification amplification signal. The concentration is displayed on the display unit 140 (S390).
  • Alcohol sensor using the detection signal in response to other gas particles other than alcohol particles included in the breath of the subject by the configuration and function of the breathalyzer 100 according to the preferred embodiment of the present invention as described above By determining and displaying whether or not normal exhalation is injected into the module 110, the malfunction state of the test subject does not flow into the alcohol sensor module 110 due to the failure of the pump 150 and the foreign matter on the exhalation injection line. It can be confirmed that the alcohol concentration can be measured more accurately.
  • the manufacturing cost of the breathalyzer 100 can be reduced, as well as One OP amplifier U4 may be used to output a first magnification signal for calculating the alcohol concentration and a second magnification signal for determining malfunction, and each amplified signal is sequentially analyzed, resulting in low specification. It can also be processed with a microprocessor of the present invention provides an effect that can further reduce the manufacturing cost of the breathalyzer.

Abstract

La présente invention concerne un éthylomètre pour détecter des particules d'alcool, qui sont contenues dans l'haleine d'un sujet, introduites par une pièce buccale (170) et affichant les particules d'alcool détectées. L'éthylomètre comprend : un module capteur d'alcool (110) qui communique avec la pièce buccale (170) pour permettre à l'haleine de s'y introduire et qui réagit relativement et sensiblement aux particules d'alcool contenues dans l'haleine et réagit relativement et non sensiblement aux particules de gaz autres que les particules d'alcool dans l'haleine afin d'émettre un signal détecté ; une unité d'amplification (120) pour produire un signal d'amplification par un premier facteur multiplicatif obtenu en amplifiant le signal détecté par un premier facteur multiplicatif de façon à reconnaître le signal détecté pour les particules d'alcool et un signal d'amplification par un second facteur multiplicatif obtenu en amplifiant le signal détecté au moyen d'un second facteur multiplicatif qui est relativement plus élevé que le premier facteur multiplicatif de façon à reconnaître le signal détecté pour les autres particules de gaz ; et une unité de commande (130) pour calculer la concentration d'alcool dans l'haleine au moyen du signal d'amplification par le premier facteur multiplicatif, en déterminant une défaillance de l'éthylomètre d'après la détection ou non d'autres gaz par le signal d'amplification par le second facteur multiplicatif, et l'affichage de la défaillance sur une unité d'affichage (140).
PCT/KR2012/009719 2012-11-16 2012-11-16 Éthylomètre comprenant une fonction d'affichage de défaillance WO2014077430A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/KR2012/009719 WO2014077430A1 (fr) 2012-11-16 2012-11-16 Éthylomètre comprenant une fonction d'affichage de défaillance

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PCT/KR2012/009719 WO2014077430A1 (fr) 2012-11-16 2012-11-16 Éthylomètre comprenant une fonction d'affichage de défaillance

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WO2014077430A1 true WO2014077430A1 (fr) 2014-05-22

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09164130A (ja) * 1995-06-26 1997-06-24 Instrumentarium Oy 血中アルコール濃度の信頼性を確認する方法及び装置
KR20000038728A (ko) * 1998-12-08 2000-07-05 이철호 음주측정장치
KR101007519B1 (ko) * 2008-04-24 2011-01-14 주식회사 디에이텍 음주측정기
KR101097952B1 (ko) * 2009-10-08 2011-12-22 주식회사 디에이텍 알코올센서의 오작동 감지가 가능한 음주측정기
US20110308297A1 (en) * 2010-06-17 2011-12-22 Tokai Denshi, Inc. Breath alcohol measuring apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09164130A (ja) * 1995-06-26 1997-06-24 Instrumentarium Oy 血中アルコール濃度の信頼性を確認する方法及び装置
KR20000038728A (ko) * 1998-12-08 2000-07-05 이철호 음주측정장치
KR101007519B1 (ko) * 2008-04-24 2011-01-14 주식회사 디에이텍 음주측정기
KR101097952B1 (ko) * 2009-10-08 2011-12-22 주식회사 디에이텍 알코올센서의 오작동 감지가 가능한 음주측정기
US20110308297A1 (en) * 2010-06-17 2011-12-22 Tokai Denshi, Inc. Breath alcohol measuring apparatus

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