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KR960024461A - Portable radiation measuring device using semiconductor detection device - Google Patents

Portable radiation measuring device using semiconductor detection device Download PDF

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Publication number
KR960024461A
KR960024461A KR1019940034618A KR19940034618A KR960024461A KR 960024461 A KR960024461 A KR 960024461A KR 1019940034618 A KR1019940034618 A KR 1019940034618A KR 19940034618 A KR19940034618 A KR 19940034618A KR 960024461 A KR960024461 A KR 960024461A
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South Korea
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semiconductor
detection device
output signal
portable
signal
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KR1019940034618A
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Korean (ko)
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KR0135921B1 (en
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최명진
이홍규
강영일
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황해웅
국방과학연구소
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T7/00—Details of radiation-measuring instruments
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/167—Measuring radioactive content of objects, e.g. contamination
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)

Abstract

본 발명은 반도체 방사능 탐지소자를 사용하여 오랜시간 사용시에도 효율이 저하되지 않게 함과 아울러 소형화하고, 넓은 탐지범위를 가질 수 있게 한 반도체 탐지소자를 이용한 휴대용 반사능 측정장치에 관한 것으로, 종래의 방사능 측정장치에 있어서는 장시간 사용시 효율이 저하되고, 탐지기를 교체하여야 하며, 탐지센서가 기체로 이루어져 방사능의 탐지 효율이 매우 낮았다. 이러한 점을 감안하여, 방사선을 탐지하여 전기적인 신호를 발생하는 반도체 방사능 탐지소자와, 그 탐지소자의 출력신호를 증폭하여 구형파 신호로 변환처리하는 아날로그 회로부와, 그 아날로그 회로부의 출력신호를 계수한 후 선량 및 선율의 디지탈 신호로 처리하는 디지탈 회로부와, 그 디지탈 회로부의 출력결과를 표시하는 액정 표시부로 구성함으로써 사용수명이 반영구적으로 되어 신뢰성이 향상되고, 휴대 및 운용이 용이함과 아울러 방사능의 탐지효율이 향상되고, 넓은 탐지범위를 가질 수 있게 한다.The present invention relates to a portable reflectivity measuring device using a semiconductor detection device that can be miniaturized and have a wide detection range while preventing the efficiency from being degraded even when used for a long time by using the semiconductor radiation detection device. In the device, the efficiency decreased for a long time, the detector had to be replaced, and the detection sensor was made of gas, so the detection efficiency of radioactivity was very low. In view of this, a semiconductor radiation detection device for detecting radiation and generating an electrical signal, an analog circuit unit for amplifying and converting the output signal of the detection device into a square wave signal, and counting the output signal of the analog circuit unit It consists of a digital circuit unit for processing a digital signal of dose and dose, and a liquid crystal display unit for displaying the output result of the digital circuit unit. The service life is semi-permanent, improving reliability, making it easy to carry and operate, and detecting radiation efficiency. This improves and makes it possible to have a wide detection range.

Description

반도체 탐지소자를 이용한 휴대용 방사능 측정장치Portable radiation measuring device using semiconductor detection device

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (9)

방사선을 탐지하여 그에 비례하는 전기적인 신호를 발생하는 반도체 방사능 탐지소자(1)와, 상기 반도체 방사능 탐지소자(1)의 출력신호를 증폭하여 티티엘(TTL) 수준의 구형파 신호로 변환 처리하는 아날로그 회로부(2)와, 상기 아날로그 회로부(2)의 출력신호를 입력받아 계수한 후 선량 및 선율의 디지탈 신호로 처리하는 디지탈 회로부(3)와, 상기 디지탈 회로부(3)에서 처리된 결과를 표시하는 액정표시부(4)로 구성하여 된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.A semiconductor radiation detection device 1 for detecting radiation and generating an electrical signal proportional thereto, and an analog circuit unit for amplifying an output signal of the semiconductor radiation detection device 1 and converting it into a square wave signal having a TTL level. (2), a digital circuit section (3) for receiving and counting the output signal of the analog circuit section (2) and processing it as a digital signal of dose and melody, and a liquid crystal displaying the result processed by the digital circuit section (3). Portable radiation measuring device using a semiconductor detection element, characterized in that the display portion (4). 제1항에 있어서, 반도체 방사능 탐지소자(1)는 카드뮴(Cd), 아연(Zn), 테레륨(Te)의 원소성분비가 0.8:0.2:1이고, 비저항이 10E9ohm-cm 이상인 단결정을 모재료로 사용하여 구성된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.2. The semiconductor radiation detection device (1) according to claim 1, wherein the semiconductor radiation detection device (1) has a single crystal whose elemental component ratio of cadmium (Cd), zinc (Zn), and tereium (Te) is 0.8: 0.2: 1 and has a specific resistance of 10E9 ohm-cm or more. Portable radioactivity measuring apparatus using a semiconductor detection element, characterized in that configured using. 제2항에 있어서, 반도체 방사능 탐지소자(1)는 체적(Bulk)형으로 구성된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.The portable radiation measuring device using a semiconductor detecting element according to claim 2, wherein the semiconductor radiation detecting element (1) is formed in a bulk type. 제2항에 있어서, 반도체 방사능 탐지소자(1)는 인가전압 50V에서 누설 전류가 10nA 이하로 되게 구성한 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.The device according to claim 2, wherein the semiconductor radiation detection device (1) is configured such that the leakage current is 10nA or less at an applied voltage of 50V. 제1항에 있어서, 아날로그 회로부(2)는 반도체 방사능 탐지소자(1)의 출력신호를 부궤환 증폭하는 제1증폭부(21)와, 상기 제1증폭부(21)의 출력신호를 고역 통과하는 제1고역 통과 필터(22)와, 상기 제1고역 통과 필터(22)의 출력신호를 정궤환 증폭하는 제2증폭부(23)와, 상기 제2증폭부(23)의 출력신호를 고역 통과하는 제2고역 통과 필터(24)와, 상기 제2고역통과 필터(24)의 출력신호를 티티엘(TTL) 수준의 구형파 신호로 변환출력하는 비교부(25)로 구성하여 된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.2. The analog circuit part 2 according to claim 1, wherein the analog circuit part 2 passes a high pass of the first amplifier 21 for negative feedback amplification of the output signal of the semiconductor radiation detection element 1 and the output signal of the first amplifier 21. A first high pass filter 22, a second amplifier 23 for forward feedback amplifying the output signal of the first high pass filter 22, and an output signal of the second amplifier 23 And a comparator 25 for converting the second high pass filter 24 passing through and the output signal of the second high pass filter 24 into a square wave signal having a TTL level. Portable radiation measuring device using semiconductor detection device. 제1항에 있어서, 디지탈 회로부(3)는 시스템 전체동작을 제어함과 아울러 아날로그 회로부(2)의 출력신호를 입력받아 계수한 후 선량과 선율로 구분하여 디지탈 처리한 후 그 결과를 액정표시부(4)에 표시하는 주전산기(31)와, 클럭신호를 발생하여 상기 주전산기(31)에 인가하는 클럭 발생부(32)와, 상기 주전산기(31)에 각종 키신호를 인가하는 키패드부(33)와, 상기 주전산기(31)의 경보출력신호에 따라 경보상태를 나타내는 경보부(34)와, 상기 주전산기(31)의 출력신호를 논리곱하여 상기 액정표시부(4)의 인에이블 상태를 제어하는 논리회로부(35)로 구성하여 된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.The digital circuit unit 3 controls the overall operation of the system, receives and counts the output signal of the analog circuit unit 2, divides it into dose and melody, and digitally processes the result. 4, a clock generator 32 for generating a clock signal and applying the clock signal to the main computer 31, and a keypad 33 for applying various key signals to the main computer 31; And an alarm unit 34 indicating an alarm state according to the alarm output signal of the main computer 31, and a logic circuit unit 35 for controlling the enable state of the liquid crystal display unit 4 by ANDing the output signal of the main computer 31. Portable radiation measuring device using a semiconductor detection device, characterized in that consisting of). 제6항에 있어서, 키패드부(33)는 모드, 초기화, 선율, 선량, 감소 및 증가키신호를 주전산기(31)에 인가하여 구성된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.The portable radiation measuring apparatus according to claim 6, wherein the keypad unit (33) is configured by applying a mode, initialization, dose, dose, decrease and increase key signals to the main computer (31). 제6항에 있어서, 경보부(34)는 발광다이오드의 점등에 의해 경보상태를 표시함과 아울러 부저음의 발생에 의해 경보상태를 알려주게 구성된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.The portable radioactivity measuring apparatus using a semiconductor detection device according to claim 6, wherein the alarm unit (34) is configured to display an alarm state by turning on a light emitting diode and to notify an alarm state by the occurrence of a buzzer sound. 제1항에 있어서, 액정표시부(4)는 저항(R10)의 저항값 조성에 의해 표시밝기를 조정하게 구성된 것을 특징으로 하는 반도체 탐지소자를 이용한 휴대용 방사능 측정장치.The portable radioactivity measuring apparatus using a semiconductor detection element according to claim 1, wherein the liquid crystal display (4) is configured to adjust the display brightness by the composition of the resistance value of the resistor (R 10 ). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940034618A 1994-12-16 1994-12-16 Portable radioactivity measuring apparatus using semiconductor detector KR0135921B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940034618A KR0135921B1 (en) 1994-12-16 1994-12-16 Portable radioactivity measuring apparatus using semiconductor detector

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Application Number Priority Date Filing Date Title
KR1019940034618A KR0135921B1 (en) 1994-12-16 1994-12-16 Portable radioactivity measuring apparatus using semiconductor detector

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KR960024461A true KR960024461A (en) 1996-07-20
KR0135921B1 KR0135921B1 (en) 1998-04-29

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