WO2015169078A1 - 一种核雾霾测量装置及方法 - Google Patents

一种核雾霾测量装置及方法 Download PDF

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WO2015169078A1
WO2015169078A1 PCT/CN2014/091078 CN2014091078W WO2015169078A1 WO 2015169078 A1 WO2015169078 A1 WO 2015169078A1 CN 2014091078 W CN2014091078 W CN 2014091078W WO 2015169078 A1 WO2015169078 A1 WO 2015169078A1
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radiation
nuclear
radiation detector
casing
measured
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PCT/CN2014/091078
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English (en)
French (fr)
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谢庆国
龙岸文
林立
奚道明
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苏州瑞派宁科技有限公司
华中科技大学
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Publication of WO2015169078A1 publication Critical patent/WO2015169078A1/zh

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    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29—Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation

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  • the invention relates to the field of nuclear radiation measurement, and in particular to a nuclear haze measuring device and method.
  • the present invention provides the following technical solutions:
  • a nuclear smog measuring device comprises a first box body, a first radiation detector located in the first box body for measuring the amount of background radiation, and a radiation source for measuring the point to be measured outside the first box body and A second radiation detector of the sum of the background radiation amounts, the first casing is in a vacuum environment or is provided with a medium different from the air to be tested, and the second radiation detector is directly in contact with the air to be measured.
  • a method for measuring nuclear haze comprising the steps of:
  • S1 providing a vacuum environment or a first box filled with a medium, a first radiation detector disposed in the first casing, and a second radiation detector disposed outside the first casing, the second radiation The detector directly contacts the air to be measured;
  • S3 Obtain a radiation amount of the point to be measured by processing the first data group and the second data group.
  • the present invention provides two radiation detectors, wherein the first radiation detector can measure the amount of background radiation, and the second radiation detector can measure the sum of the radiation amount of the point to be measured and the amount of background radiation, and then The radiation amount of the point to be measured can be obtained by processing the two sets of measurement data.
  • the invention has simple structure and convenient measurement, and is very suitable for outdoor measurement work.
  • FIG. 1 is a schematic view of an embodiment of a nuclear haze measuring device of the present invention.
  • the invention discloses a nuclear smog measuring device and method which are simple in structure and can support outdoor measuring operations.
  • the nuclear haze measuring device disclosed in the present invention is used for measuring in an outdoor point to be measured 100.
  • the nuclear smog measuring device includes a first casing 200, a first radiation detector 300 located in the first casing 200 for measuring the amount of background radiation, and a radiation outside the first casing 200 for measuring the radiation to be measured.
  • a second radiation detector 400 that sums the amount of background radiation.
  • the first box body 200 is in a vacuum environment or is provided with a medium different from the air to be tested, and the second radiation detector 400 is directly in contact with the air in the point to be measured 100.
  • the amount of radiation of the point to be measured can be obtained by subtracting the two sets of data directly from the simultaneous counting.
  • a histogram can be obtained for each of the two sets of data, and then the histogram is aligned and subtracted to obtain the amount of radiation of the point to be measured.
  • the amount of radiation of the point to be measured can also be obtained by directly subtracting the above-mentioned simultaneous counting.
  • the medium is selected from a non-radioactive medium.
  • the amount of radiation of the point to be measured cannot be detected by the first radiation detector 300 through the medium or the vacuum environment, or the amount of radiation of the point to be detected detected by the first radiation detector can be ignored.
  • the invention can control whether the first radiation detector can detect the radiation to be measured by increasing the size of the box or increasing the distance between the box and the point to be measured. Amount of information. The size of the box is increased, that is, the vacuum environment is large or the medium environment is large.
  • the setting of the box and the medium are flexibly changed according to the actual situation of the radiation amount of the point to be measured, as long as the first radiation detector 300 cannot detect the amount of radiation of the point to be measured, or the first radiation detector 300 can only detect The amount of radiation at a point to be measured, which can be ignored or has no effect on the overall measurement.
  • the first radiation detector 300 and the second radiation detector 400 are generally placed relatively close, and in order to enable the second radiation detector 400 to accurately detect the point to be measured.
  • the amount of radiation can be close to a point to be measured if the amount of radiation to be measured detected by the first radiation detector is negligible.
  • the shortest distance between the first box body 200 and the first radiation detector 300 ranges from 0.1 m to 100 m.
  • the specific choice is determined according to the actual situation of the point to be measured. In order to facilitate the recording, generally, 1m, 10m, 20m, 30m, 40m, 50m, 60m, 70m, 80m, 90m, 100m can be selected.
  • the first case 200 may be arranged in a folded shape, or a first case 200 of a plurality of size ranges may be provided, regardless of the form or size of the first case 200, intended to be vacuumed or charged.
  • the first radiation detector 300 can measure the background radiation (the background radiation refers to the detected radiation originating from the radioactive particles in the universe), and the first radiation detector 300 can not detect or can only detect the tiny The radiation of the point to be measured.
  • the second radiation detector 400 is disposed outside the first casing.
  • the second radiation detector 400 can also be disposed directly at any position on the first casing.
  • the shortest distance between the second radiation detector 400 and the outer side surface of the first casing 200 ranges from 0.1 m to 100 m.
  • the specific choice is determined according to the actual situation of the point to be measured. In order to facilitate the recording, generally, 1m, 10m, 20m, 30m, 40m, 50m, 60m, 70m, 80m, 90m, 100m can be selected.
  • the setting of the distance can be reasonably set with reference to the shortest distance between the first box body 200 and the first radiation detector 300.
  • the shortest distance range is from 0.1m to 100m. The specific choice is determined according to the actual situation of the point to be measured. In order to facilitate the recording, generally, 1m, 10m, 20m, 30m, 40m, 50m, 60m, 70m, 80m, 90m, 100m. The setting of the distance can also be reasonably set with reference to the shortest distance between the first casing 200 and the first radiation detector 300.
  • the medium used in the nuclear haze measuring device of the present invention may be pure air or nitrogen or oil or other gas or the like.
  • the choice of which medium is not limited by the foregoing is as long as it is ensured that the selected medium does not contain radioactivity, or that the radioactivity contained is weak, or that the radioactivity contained is quantifiable.
  • the setting is to prevent unnecessary interference with the result of measuring the background radiation by the first radiation detector 300, and it is convenient to obtain an accurate radiation amount of the point to be measured.
  • the nuclear haze measuring device of the present invention further includes a vacuuming device.
  • the material of the first box body is not limited, as long as the first box body is not prevented from blocking the first radiation detector 300 from measuring the background radiation, or Too many first radiation detectors 300 are blocked from measuring background radiation. If the first box body 200 is measured by the vacuuming state, the material of the first box body 200 is required, and it is mainly desired that the material can isolate the air from the outside point to be measured.
  • the first radiation detector 300 and the second radiation detector 400 transmit the detection signals to a data display processing terminal by wired or wireless functions.
  • a plurality of sets of the first box, the first radiation detector, and the second radiation detector of the same structure and arranged in the same manner may be provided.
  • several sets of data can be obtained, which facilitates the data to be corrected and obtains the most accurate results.
  • the data obtained can be used for other purposes, such as regional radiation distribution analysis and so on. It is also possible to set and compare the development of radiation information in various regions in real time by setting the structure of the present invention in many regions, and it is convenient to perform in-depth analysis work and post-environment planning work.
  • the invention provides two radiation detectors, wherein the first radiation detector 300 can measure the amount of background radiation, and the second radiation detector 400 can measure the sum of the radiation amount of the point to be measured and the amount of background radiation, and then pass the measurement data of the two groups.
  • the amount of radiation of the point to be measured can be obtained by processing.
  • the invention also discloses a nuclear haze measuring method, which comprises the steps of:
  • S1 providing a vacuum environment or a first box filled with a medium, a first radiation detector disposed in the first casing, and a second radiation detector disposed outside the first casing, the second radiation The detector directly contacts the air to be measured;
  • S3 Obtain a radiation amount of the point to be measured by processing the first data group and the second data group.
  • the medium is preferably selected as a non-radioactive medium.
  • the medium may be pure air or nitrogen or oil.
  • the shortest distance between the first box and the first radiation detector ranges from 0.1 m to 100 m
  • the shortest distance between the second radiation detector and the first box ranges from 0.1 to 0.1 m. m ⁇ 100m.
  • 1 m, 10 m, 20 m, 30 m, 40 m, 50 m, 60 m, 70 m, 80 m, 90 m, and 100 m can be selected.
  • the point to be measured is provided with a plurality of sets of components described in the step S1, and the number of components and the mutual positional relationship in the all groups are the same. With this setting, several sets of data can be obtained, which facilitates the data to be corrected and obtains the most accurate results.
  • the amount of radiation of the point to be measured can be obtained by directly subtracting the two sets of data for the simultaneous counting.
  • the histogram in the case of the energy information, can be respectively obtained for the two sets of data, and then the histogram is aligned and subtracted to obtain the radiation amount of the point to be measured.
  • the amount of radiation of the point to be measured can also be obtained by directly subtracting the above-mentioned simultaneous counting.
  • the invention provides two radiation detectors, wherein the first radiation detector can measure the amount of background radiation, and the second radiation detector can measure the sum of the radiation amount of the point to be measured and the amount of background radiation, and then process the two sets of measurement data.
  • the radiation amount of the point to be measured can be obtained, and the invention has the advantages of simple structure and convenient measurement, and is very suitable for outdoor measurement work.

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  • Health & Medical Sciences (AREA)
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Abstract

一种核雾霾测量装置及方法，该装置包括第一盒体（200）、位于第一盒体（200）中的第一辐射探测器（300）及位于第一盒体（200）外的第二辐射探测器（400），所述第一盒体（200）内为真空环境或者设有区别于待测空气的介质，所述第二辐射探测器（400）直接与待测点（100）空气接触。通过设置两个辐射探测器，其中第一辐射探测器（300）可以测量背景辐射量，第二辐射探测器（400）可以测量待测点（100）辐射量与背景辐射量的和，然后通过对两组测量数据进行处理即可获得待测点（100）的辐射量。该核雾霾测量装置结构简单，测量方便，非常适合室外的测量作业。

Description

一种核雾霾测量装置及方法
本申请要求2014年05月09日提交中国专利局、申请号为201410195514.7、发明名称为“一种核雾霾测量装置及方法”的发明专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及核辐射测量领域，尤其涉及一种核雾霾测量装置及方法。
背景技术
当前，雾霾是困扰人们的一大问题，关于霾中是否存在放射性物质也众说纷纭。因此，急需要一个能直接在待测地进行放射性测量的装置及方法，以解决现有技术中人们担忧的问题。同时，通过该装置的布局，可以间接得到其他信息，方便进一步的研究。
发明内容
有鉴于此，本发明的目的在于提供一种核雾霾测量装置，该装置能支持室外的测量作业。
为实现上述目的，本发明提供如下技术方案：
一种核雾霾测量装置，其包括第一盒体、位于第一盒体中的用以测量背景辐射量的第一辐射探测器及位于第一盒体外的用以测量待测点辐射量与背景辐射量的和的第二辐射探测器，所述第一盒体内为真空环境或者设有区别于待测空气的介质，所述第二辐射探测器直接与待测点空气接触。
本发明还提供如下技术方案：
一种核雾霾测量方法，其包括步骤：
S1：提供一真空环境或充满介质的第一盒体、一设于该第一盒体内的第一辐射探测器及一设于第一盒体外部的第二辐射探测器，所述第二辐射探测器直接与待测点空气接触；
S2：通过所述第一辐射探测器测量获得一第一数据组，通过所述第二辐射探测器测量获得一第二数据组；
S3：通过对第一数据组及第二数据组进行处理获得待测点的辐射量。
从上述技术方案可以看出，本发明通过设置两个辐射探测器，其中第一辐射探测器可以测量背景辐射量，第二辐射探测器可以测量待测点辐射量与背景辐射量的和，然后通过对两组测量数据进行处理即可获得待测点的辐射量，本发明结构简单，测量方便，非常适合室外的测量作业。
附图说明
图1为本发明核雾霾测量装置一种实施例的示意图。
具体实施方式
本发明公开了一种结构简单、且能支持室外测量作业的核雾霾测量装置及方法。
如图1所示，本发明公开的核雾霾测量装置，用以在室外的待测点100内测量。所述核雾霾测量装置包括第一盒体200、位于第一盒体200中用以测量背景辐射量的第一辐射探测器300及位于第一盒体200外的用以测量待测点辐射量与背景辐射量的和的第二辐射探测器400。所述第一盒体200内为真空环境或者设有区别于待测空气的介质，所述第二辐射探测器400直接与待测点100内的空气接触。通过所述第一辐射探测器300测量获得一第一数据组，通过所述第二辐射探测器400测量获得一第二数据组，通过对第一数据组及第二数据组进行处理获得待测点的辐射量。在没有能量信息的情况下，可以对同时间的计数采用直接将两组数据相减的方法得到待测点的辐射量。在有能量信息的情况下，可以对两组数据分别求出直方图，然后直方图对齐相减得到待测点的辐射量。当然，在有能量信息的情况下，也可以采用上述同时间计数直接相减的方式得到待测点的辐射量。
所述的介质最好是选择无放射性的介质。所述待测点辐射量不能被第一辐射探测器300透过介质或真空环境探测到，或者第一辐射探测器探测到的待测点辐射量能被忽略不计。本发明可以通过增加盒子的尺寸或者增加盒子与待测点的距离来控制第一辐射探测器是否能够探测到待测点辐射 量的信息。盒子尺寸增加，即真空环境大或介质环境大。盒子及介质的设置均根据待测点的辐射量的实际情况进行灵活变动，只要能保证第一辐射探测器300不能探测到待测点的辐射量，或者第一辐射探测器300只能探测到一点待测点的辐射量，该辐射量能被忽略的或对整个测量结果不产生影响。
为了保证测量的准确性及操作方便性，一般会将第一辐射探测器300及第二辐射探测器400放置的比较近，而为了能让第二辐射探测器400能够准确的探测到待测点的辐射量，在第一辐射探测器探测到的待测点辐射量可以忽略不计的情况下，可以靠近一点待测点。
所述第一盒体200与第一辐射探测器300之间的最短距离范围为0.1m～100m。具体选择根据待测点的实际情况来定，为了方便记录，一般可以选择1m、10m、20m、30m、40m、50m、60m、70m、80m、90m、100m。
可以将第一盒体200设置成折叠形状，或者是设置多种尺寸范围的第一盒体200，不管是哪种形式或哪种尺寸的第一盒体200，旨在抽真空后或者充入介质后，能够让第一辐射探测器300测量到背景辐射(背景辐射指探测到的来源于宇宙中放射性粒子的辐射)，而让第一辐射探测器300测不到或者只能测到微小的待测点的辐射。
如图1所示，第二辐射探测器400设于第一盒体外部，当然第二辐射探测器400也可以直接设于第一盒体上的任何位置。当第二辐射探测器400设于第一盒体外部时，第二辐射探测器400与第一盒体200的外侧面之间的最短距离范围为0.1m～100m。具体选择根据待测点的实际情况来定，为了方便记录，一般可以选择1m、10m、20m、30m、40m、50m、60m、70m、80m、90m、100m。该距离的设置可以参照第一盒体200与第一辐射探测器300之间的最短距离进行合理的设定。
如果从保护第二辐射探测器400的角度考虑，当然也可以设置一个用以放置第二辐射探测器的第二盒体，第一盒体200的外侧面与第二盒体的外侧面之间的最短距离范围为0.1m～100m。具体选择根据待测点的实际情况来定，为了方便记录，一般可以选择1m、10m、20m、30m、40m、50m、 60m、70m、80m、90m、100m。该距离的设置同样可以参照第一盒体200与第一辐射探测器300之间的最短距离进行合理的设定。
本发明核雾霾测量装置中采用的所述介质可以为纯净的空气或氮气或油或者其他气体等等。选择哪种介质并不受前述的限定，只要保证所选择的介质不含有放射性即可，或者含有的放射性是微弱的，或者含有的放射性是可以量化计算的均可以。如此设置是为了防止对第一辐射探测器300测量背景辐射的结果造成不必要的干扰，方便得到准确的待测点辐射量。
所以，为了能够达到最佳的测量效果，本发明的核雾霾测量装置还包括抽真空装置。
本发明原则上当第一盒体200不是采用抽真空状态进行测量时，对第一盒体的材质没有限定，只要保证第一盒体不要阻挡第一辐射探测器300测量背景辐射即可，或者不能阻挡太多第一辐射探测器300测量背景辐射。若第一盒体200是采用抽真空状态进行测量，那么对第一盒体200的材质有所要求，主要希望这个材质能隔离外界待测点的空气。
第一辐射探测器300及第二辐射探测器400通过有线或无线功能将探测信号传输到一数据显示处理终端。
当需要对待测点进行比较全面的测量时，可以设置若干组同结构且排布方式相同的第一盒体、第一辐射探测器、第二辐射探测器。这样可以得出若干组数据，方便数据进行校正处理，得到最准确的结果。且得到的数据可以用作其他用途，比如做地区辐射量分布分析等等。还可以通过在很多地区设置本发明的结构，可以实时的知道并比较各个地区的辐射信息的发展情况，便于做深入的分析工作及后期环境规划工作。
本发明通过设置两个辐射探测器，其中第一辐射探测器300可以测量背景辐射量，第二辐射探测器400可以测量待测点辐射量与背景辐射量的和，然后通过对两组测量数据进行处理即可获得待测点的辐射量。
本发明还公开了一种核雾霾测量方法，其包括步骤：
S1：提供一真空环境或充满介质的第一盒体、一设于该第一盒体内的第一辐射探测器及一设于第一盒体外部的第二辐射探测器，所述第二辐射探测器直接与待测点空气接触；
S2：通过所述第一辐射探测器测量获得一第一数据组，通过所述第二辐射探测器测量获得一第二数据组；
S3：通过对第一数据组及第二数据组进行处理获得待测点的辐射量。
所述步骤S1中，所述介质最好是选择无放射性的介质。
所述步骤S1中，所述介质可以为纯净的空气或氮气或油。
所述步骤S1中，所述第一盒体与第一辐射探测器之间的最短距离范围为0.1m～100m，所述第二辐射探测器与第一盒体之间的最短距离范围为0.1m～100m。为了方便记录，一般可以选择1m、10m、20m、30m、40m、50m、60m、70m、80m、90m、100m。
所述待测点设置有多组步骤S1中所述的多个元件，该所有组中的元件数量及相互位置关系相同。如此设置，可以得出若干组数据，方便数据进行校正处理，得到最准确的结果。
所述步骤S3中，在没有能量信息的情况下，可以对同时间的计数采用直接将两组数据相减的方法得到待测点的辐射量。
所述步骤S3中，在有能量信息的情况下，可以对两组数据分别求出直方图，然后直方图对齐相减得到待测点的辐射量。当然，在有能量信息的情况下，也可以采用上述同时间计数直接相减的方式得到待测点的辐射量。
本发明通过设置两个辐射探测器，其中第一辐射探测器可以测量背景辐射量，第二辐射探测器可以测量待测点辐射量与背景辐射量的和，然后通过对两组测量数据进行处理即可获得待测点的辐射量，本发明结构简单，测量方便，非常适合室外的测量作业。

Claims (15)

  1. 一种核雾霾测量装置，其特征在于：其包括第一盒体、位于第一盒体中的用以测量背景辐射量的第一辐射探测器及位于第一盒体外的用以测量待测点辐射量与背景辐射量的和的第二辐射探测器，所述第一盒体内为真空环境或者设有区别于待测空气的介质，所述第二辐射探测器直接与待测点空气接触。
  2. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述介质为无放射性的介质。
  3. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述介质为纯净的空气或氮气或油。
  4. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述第一盒体与第一辐射探测器之间的最短距离范围为0.1m～100m。
  5. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述第二辐射探测器设于第一盒体上。
  6. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述第二辐射探测器设于第一盒体外部，所述第二辐射探测器与第一盒体之间的最短距离范围为0.1m～100m。
  7. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述核雾霾测量装置还包括一用以放置第二辐射探测器的第二盒体，所述第一盒体与第二盒体之间的最短距离范围为0.1m～100m。
  8. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述核雾霾测量装置包括若干组同结构且排布方式相同的第一盒体、第一辐射探测器、第二辐射探测器。
  9. 根据权利要求1所述的核雾霾测量装置，其特征在于：所述核雾霾测量装置还包括抽真空装置。
  10. 一种核雾霾测量方法，其特征在于：包括步骤：
    S1：提供一真空环境或充满介质的第一盒体、一设于该第一盒体内的第一辐射探测器及一设于第一盒体外部的第二辐射探测器，所述第二辐射探测器直接与待测点空气接触；
    S2：通过所述第一辐射探测器测量获得一第一数据组，通过所述第二辐射探测器测量获得一第二数据组；
    S3：通过对第一数据组及第二数据组进行处理获得待测点的辐射量。
  11. 根据权利要求10所述的核雾霾测量方法，其特征在于：所述步骤S1中，所述介质为无放射性的介质。
  12. 根据权利要求10所述的核雾霾测量方法，其特征在于：所述步骤S1中，所述介质为纯净的空气或氮气或油。
  13. 根据权利要求10所述的核雾霾测量方法，其特征在于：所述步骤S1中，所述第一盒体与第一辐射探测器之间的最短距离范围为0.1m～100m，所述第二辐射探测器与第一盒体之间的最短距离范围为0.1m～100m。
  14. 根据权利要求10所述的核雾霾测量方法，其特征在于：所述待测点设置有多组步骤S1中所述的多个元件，该所有组中的元件数量及相互位置关系相同。
  15. 根据权利要求10所述的核雾霾测量方法，其特征在于：所述S3中，在没有能量信息的情况下，通过对同时间的计数采用直接将两组数据相减的方法得到待测点的辐射量；在有能量信息的情况下，用前述方法或者通过对两组数据分别求出直方图，然后直方图对齐相减得到待测点的辐射量。
PCT/CN2014/091078 2014-05-09 2014-11-14 一种核雾霾测量装置及方法 WO2015169078A1 (zh)

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