KR101752054B1 - Improved alpha track detector - Google Patents

Abstract

It is an object of the present invention to provide an improved alpha-ray detector capable of achieving firm fixation of a detection film through a support for supporting the detection film and a fixing protrusion for pressing the detection film. To this end, the present invention provides a portable terminal comprising: a body portion having one side opened and a through hole formed at the other side; A support base protruding from the inner circumferential surface of the through hole toward the center; A coupling formed on the outer periphery of both ends of the body portion so that at least one of the radon and the radionuclide is introduced; A detection film inserted into the through hole and seated on the support; And a lid part having an inner periphery threadedly engaged with the coupling part. Accordingly, the improved-type non-polarity detector according to the present invention can securely fix the detection film through the structure of the fixing protrusion which supports the detection film more securely through the support protruding from the through- The present invention is advantageous in that it is possible to perform a dual detection function for simultaneously detecting a discussion with a radon by providing a connection socket and a lid of different types.

Description

[0001] IMPROVED ALPHA TRACK DETECTOR [0002]

The present invention relates to an improved alpha component detector, and more particularly to an improved alpha component detector which can achieve a rigid fixation of a detection film through a support for supporting the detection film and a fixing protrusion for pressing the detection film, .

In general, there are natural radioactive materials from the beginning on the earth, and the representative ones are radon (Rn-222) and discussion (Rn-220).

These radon and discussion are natural radionuclides resulting from the radioactive decay of radium and thorium, which are colorless, tasteless and odorless inert gases and can be naturally generated in the geological environment (rock, soil, groundwater) Naturally.

This can have a negative impact on health, and can lead to lung cancer, as it is a primary carcinogen, such as asbestos.

In particular, radon is a US regulatory value, according to the US Citizens Guides on Radon, published by the US Environmental Protection Agency to promote the issue of radon to the public. It is the 4pCi / l (148 Bq / m³) It is stated that 62 of 1000 smokers living in the indoor space where the radon concentration is constantly maintained and 6 of the 1,000 smokers have the risk of lung cancer.

In other words, radon is the second leading cause of lung cancer, and it is imperative to detect and measure radon in everyday living area.

At present, a method of detecting and measuring alpha particles, beta particles, or gamma particles emitted from radon or radon progeny is used as a concentration of radon.

For example, FIG. 1 is a view showing the configuration of a conventional alpha contrast detector. Referring to FIG. 1, the alpha contrast detector 10 detects the alpha contrast when the alpha particle is incident on the surface of the solid film 11 such as plastic or cellulolose The radon concentration is measured by the microscopic damage (scratch) generated. It is simple to use and requires no external power source, so it is very easy to measure the indoor radon concentration in general households.

However, since the conventional alpha-ray detector 10 has a simple structure in which the support base 12 for supporting the solid film 11 is provided on both sides as shown in FIG. 1, the support of the solid film 11 is unstable And there is a disadvantage that a separate structure for fixing the solid film 11 is insufficient.

Further, the alpha-ray detector 10 is a device for performing a one-dimensional function for measuring radon, and there is no countermeasure against the influence of discussion that can be introduced with radon.

Therefore, there is a need for a technique for more firmly supporting and fixing the film for more stable detection of radon, and in the measurement of radon in consideration of the characteristics of a discussion having a half life of about 3.82 days and a half life of about 55.6 seconds, It is necessary to develop technologies that can remove the influence of discussions and detect individual discussions together.

Korean Registered Utility Model No. 20-0356797 (July 7, 2004)

In order to solve such problems, it is an object of the present invention to provide an improved alpha-ray detector capable of achieving a firm fixation of a detection film through a configuration of a support for supporting the detection film and a fixing protrusion for pressing the detection film do.

According to an aspect of the present invention, there is provided a portable terminal comprising: a body portion having one side opened and a through hole formed at the other side; A support base protruding from the inner circumferential surface of the through hole toward the center; A coupling formed on the outer periphery of both ends of the body portion so that at least one of the radon and the radionuclide is introduced; A detection film inserted into the through hole and seated on the support; And a lid part having an inner periphery threadedly engaged with the coupling part.

In addition, the through holes according to the present invention are formed in a rectangular shape, and the support base is formed to protrude from each corner of the through hole toward the center.

In addition, the body part according to the present invention is characterized in that a fitting hole is formed by forming a protrusion having a predetermined distance between fittings formed on the outer circumferential sides of both ends.

The lid part according to the present invention may include a fixing protrusion protruding from the center of the inner surface of the lid part so as to fix the detection film inserted into the through hole and being in tight contact with the detection film when engaged with the body part .

In addition, the lid according to the present invention may include a plurality of inflow holes formed through the outer surface; And a filter installed on the inner surface to filter foreign substances flowing through the inlet.

In addition, the present invention is further characterized in that the connecting socket further comprises a coupling socket formed at both side ends thereof with a coupling joint formed in a threaded manner so that a plurality of body parts are coupled.

The connection socket according to the present invention may further include a connection fixing protrusion protruding from the center of both sides so that the detection film is in close contact with the detection film inserted into the through hole.

Further, the present invention further includes a clip portion formed with an opening portion to be press-fit so that the opening portion is elastically deformed according to an external pressure, And an attachment hole is formed in the upper part so that at least one of the thread, the wire, and the string is connected.

The improved type non-polarity detector according to the present invention is advantageous in that the detection film can be securely supported through a support protruding in four directions from the through hole, and the detection film can be securely fixed through the configuration of the fixing protrusion .

In addition, the present invention has a connecting socket capable of connecting a plurality of body parts and a different lid, so that it is possible to perform a dual detection function for simultaneously detecting a discussion with a radon.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 shows a prior art alpha-relative detector.
FIG. 2 is an exploded view explaining a configuration of an improved alpha-ray detector according to an embodiment of the present invention; FIG.
3 is a view showing the inside of the body part according to the present invention and the lid part of another embodiment.
Fig. 4 is a view of the lid of another embodiment according to Fig. 3;
5 is a view showing the operation of the coupling and clipping part of the improved alpha-ray detector according to the present invention.
6 is an exploded view showing another embodiment of the improved alpha-luminance detector according to the connection socket of the present invention.
7 shows the action of the coupling and clipping part of the improved alpha contrast detector according to FIG.
8 illustrates another embodiment of the clip portion according to Fig.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to the preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings.

FIG. 2 is an exploded view of a modified alpha-ray detector according to an embodiment of the present invention, FIG. 3 is a view illustrating a cover of a body according to another embodiment of the present invention, FIG. Fig. 5 is a view showing a cover part of another embodiment, Fig. 5 is a view showing the operation of the coupling part and the clip part of the improved alpha-ray detector according to the present invention, and Fig. 6 shows another embodiment of the improved alpha- Fig. 7 is a view showing the coupling of the improved alpha-ray detector according to Fig. 6 and the action of the clip portion, and Fig. 8 is a view showing another embodiment of the clip portion according to Fig.

2 to 4, the improved alpha-ray detector 100 according to the present invention includes a body 110, a detection film 120, and lids 130 and 130 '.

The body portion 110 is preferably a gas reservoir having a predetermined space for introducing a radioactive gas such as radon or talon, and is formed in a cylindrical shape having one side opened and the other side closed to form a hollow therein, A support base 111a, a coupling hole 112, a protrusion hole 113, and a fitting hole 114. As shown in FIG.

The through hole 111 is a groove formed through the center of the other side of the body 110 to expose and insert a detection film 120 to be described later. The through hole 111 is formed in a square shape, The present invention is not limited to the embodiments of the present invention, and various modifications and changes may be made by those skilled in the art.

The support base 111a is formed to protrude from the inner circumferential surface of the through-hole 111 in the center direction. The support base 111a supports the detection film 130 inserted into the through-hole 111.

More specifically, the supporting table 111a is formed to protrude from the four corners of the through-hole 111 formed in a rectangular shape, that is, from the corners to the center, to support the detecting film 120 more securely and firmly Function.

It is preferable that the coupling member 112 is formed to be coupled to the lid units 130 and 130 'to be described later and formed to be threaded on the outer circumferences of both ends of the body unit 110.

The protrusions 113 may be formed to have a predetermined spacing between the engaging holes 112 formed at the outer circumferential ends of the body 110. [

More specifically, the protrusion 113 may protrude to a predetermined thickness along the outer circumference at the end of the thread formed on the coupling member 112, and may be formed on both sides of the body 110 The protrusions 113 are equally spaced from the longitudinal center of the body 110.

The fitting member 114 is formed to have a predetermined space in the form of a groove by an interval of the protrusion 113 formed on both sides of the body 110 and has a relatively smaller outer diameter than the outer diameter of the protrusion 113 .

The body 110 including the above-described structure may have an outer diameter of 40 to 60 mm in consideration of the moving distance of the alpha ray emitted from the radon or debonic air and the degree of corrosion of the detection film 120 after etching. And a length of 30 to 40 mm. However, the present invention is not limited thereto, and various modifications may be made in the technical field of the present invention.

The detection film 120 is a solid film that is inserted into the through hole 111 and is configured to be supported by the support table 111a and detects the alpha component of the radioactive gas, 111a and performs a function of detecting minute damage, that is, an alpha component generated when the alpha particles emitted from the radioactive gas introduced into the body 110 enter the surface.

The detection film 120 may be made of a material such as plastic or cellulose. The concentration and the function of the detection film 120 and the concentration of the radioactive gas are measured through the alpha ratio detected by the detection film 120 Is a generally known technique, and a more detailed description thereof will be omitted.

The lid parts 130 and 130 'are coupled to the body part 110 to provide the inflow path of the radioactive gas. More specifically, the lid parts 130 and 130' It is preferable to form the threads around the inner periphery.

According to an embodiment of the present invention, the lid part 130, 130 'is formed in a circular shape so as to cover the cylindrical body part 110 so that the protrusion 113 of the body part 110 It is preferable to have the same outer diameter as the outer diameter and to be connected to the protrusion 113 since it is coupled up to the point where the thread of the coupling hole 112 ends.

Here, the radioactive gas is introduced in real time through the gap between the lid part 130, 130 'and the protruding part 113, and flows through the lids of the lid part 130, 130' and the coupling part 112 And is finally introduced into the body 110.

The lid 130 according to an embodiment of the present invention includes a fixing protrusion 131 as shown in FIG.

The fixing protrusion 131 is configured to fix the detecting film 120 inserted into the through hole 111 and is formed at the center of the inner surface of the lid unit 130, And is configured to be in tight contact with the detection film (120) when the lid part (130) is engaged.

In the embodiment of the present invention, the shape of the fixing protrusion 131 is shown as a circular protrusion, but the present invention is not limited thereto.

3 and 4, the lid 130 'according to another embodiment of the present invention includes an inlet 132 and a filter 133. The lid 130'

The inlet 132 may be a plurality of holes that are formed to penetrate the outer surface of the lid 130 'to provide another inflow path of the radioactive gas.

Therefore, when the lid part 130 'is coupled to the main body part 110, the inflow port 132 may be provided with a gap in which the lid part 130' and the protrusion 113 are in contact with each other And an inflow path that can flow into the outer surface of the lid unit 130 '.

That is, the inlet 132 functions to additionally activate the inflow of the radioactive gas.

The filter 133 is configured to be installed on the inner surface of the lid 130 'to filter foreign substances such as dust, insects and the like that may flow through the inlet 132.

Such a filter 133 may be variously handled by a person skilled in the art having a general knowledge in the related field.

As described above, the lid 130 according to an embodiment of the present invention shown in FIG. 2 provides only one inflow path through a thread, so that the discussion and the relatively long half-life radon (half-life 3.82 days) 3 and 4, the lid part 130 'according to another embodiment shown in FIGS. 3 and 4 may additionally provide an inflow path through the plurality of inflow ports 132, as well as an inflow path through the threads It is suitable for the measurement of a short half-life discussion (half-life of 55.6 seconds).

Accordingly, the lid part 130 or 130 'according to each embodiment can be selectively used according to the radioactive gas to be measured by the user.

5, the improved aplanarity detector 100 according to the present invention includes a body 110 having the detection film 120 (see FIG. 2) installed therein and the cover 130 coupled to the body 110, And a clip portion 140 for installing the clip portion 140. [

Here, the cover 130 of FIG. 5 is not limited to the drawings, but it is obvious that the cover 130 can be converted into a cover 130 '(see FIGS. 3 and 4) of another embodiment as described above.

It is preferable that the clip portion 140 is formed as an elastic body having a smaller inner diameter than the outer diameter of the fitting portion 114 and is formed to be tightly coupled to the body portion 110. More preferably, And the opening portion is elastically deformed by external pressure so as to be pressed on the body portion 110. [

The clip portion 140 may be fastened to the cover 130 by an external pressure but may be fastened to the fitting portion 114 which is the center of the body portion 110. In addition, , And a mounting hole (141) formed at an upper portion thereof so as to connect at least one of hooks, a wire, and a string, which are hung on a nail or the like.

That is, the clip unit 140 can be freely attached to and detached from the fitting unit 114 or the cover unit 130 through elasticity.

6 to 8, the alpha component detector 100 'according to another embodiment of the present invention includes a connection coupling member 151 for coupling a plurality of the body parts 110, And a connection socket 150 having fixing protrusions 152 formed thereon.

6 to 8, the body 110 is divided into a first body part 110a and a second body part 110b in order to facilitate the description of the connection socket 150. [ And the coupling part 112 of the first and second body parts 110a and 110b coupled to the coupling coupling part 151 of the coupling socket 150 is divided into a first coupling part 112a, And a second coupling hole 112b.

However, the same components as those shown in Figs. 2 to 5 are denoted by the same reference numerals, and a detailed description thereof will be omitted.

The connection coupling 151 is a threaded portion for coupling the first and second coupling portions 112a and 112b of the first and second body portions 110a and 110b to the both sides of the connection socket 150 And is preferably formed on the inner periphery.

When the first and second coupling holes 112a and 112b are coupled to the coupling coupling holes 151, the coupling protrusions 152 are formed on the first and second body portions 110a and 110b, 2) inserted in the through hole 111 (see Figs. 2 and 3) of the connection socket 150, and protrudes from the center of both side surfaces of the connection socket 150, And is brought into close contact with the detection film 120 (see Fig. 2).

The shape of the fixing protrusion for connection 152 is the same as that of the fixing protrusion 131 described above.

According to a preferred embodiment of the present invention, as shown in FIG. 6, a cover 130 'suitable for discussion measurement may be coupled to the other coupling part (not shown) of the first coupling part 112a And a cover 130 suitable for radon measurement may be coupled to the other coupling part (not shown) of the second coupling part 112b.

Accordingly, since the alpha component detector 100 'includes the different lids 130 and 130' on the two body parts 110a and 110b coupled by the connection socket 150, It is possible to perform a dual detection function.

Further, the alpha component detector 100 'may further include the clip unit 140 described with reference to FIG. 5, and the clip unit 140 may be configured to be centered in the air by the hooking unit The first and second body portions 110a and 110b may be fastened to the connection socket 150 (see FIG. 7) or may be fastened to the respective fitting holes 114 of the first and second body portions 110a and 110b (see FIG. 8).

Therefore, the present invention makes it possible to more firmly support the detection film through the support projected from the through hole in all directions, and achieve a firm fixation of the detection film through the constitution of the fixing protrusion for pressing the detection film.

Further, since the connecting socket and the lid can be coupled to each other in a plurality of body portions, it is possible to perform a dual detection function for simultaneously detecting the discussion with the radon.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. It can be understood that

In the course of the description of the embodiments of the present invention, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, , Which may vary depending on the intentions or customs of the user, the operator, and the definitions of these terms should be based on the contents throughout this specification.

100, 100 ': Alpha contrast detector 110:
111: Through hole 111a: Support
112: Coupling port 113:
114: insertion port 120: detection film
130, 130 ': lid part 131: fixing projection
132: inlet 133: filter
140: clip portion 141: installation hole
150: connection socket 151: connection connection port
152: Fixing projection for connection

Claims (8)

A through hole 111 is formed at the center of the other side and a protrusion 113 having a predetermined distance is formed between the coupling holes 112 formed on the outer circumferential sides of the other side, (110);
A supporting table 111a protruding from the inner circumferential surface of the through hole 111 in the center direction;
A coupling member 112 having a threaded portion for introducing at least one radiant gas into the outer periphery of both ends of the body portion 110;
A detection film 120 inserted into the through hole 111 and seated on the support 111a; And
A cover 130, 130 'having threads formed on the inner circumference to be engaged with the coupling member 112;
A clip portion (not shown) is formed in which a portion of the body 110 that is press-fit-engaged with one of the fitting hole 114 or the connection socket 150 is formed and the opened portion is elastically deformed according to an external pressure 140); And
And a connection socket (150) formed with threaded connection fittings (151) at both side ends so as to couple a plurality of the body parts (110)
Wherein the clipping part (140) is formed with an installation hole (141) at an upper portion thereof so that at least one of a thread, a wire, and a string is connected thereto.
The method according to claim 1,
The through hole 111 is formed in a rectangular shape,
Wherein the support base (111a) protrudes from each corner of the through hole (111) in the center direction.
delete The method according to claim 1,
The lid 130 protrudes from the center of the inner surface of the lid 130 so as to fix the detection film 120 inserted into the through hole 111. When the detection film 120 is engaged with the body 110, And a fixing protrusion (131) in close contact with the detection film (120).
The method according to claim 1,
The cover 130 'includes a plurality of inlets 132 formed in the outer surface thereof; And
And a filter (133) installed on an inner surface of the filter (133) for filtering foreign substances flowing through the inlet (132).
delete The method according to claim 1,
The connection socket 150 further includes a connection fixing protrusion 152 protruding from the center of both sides of the connection socket 150 so that the detection film 120 is closely contacted with the detection film 120 inserted into the through hole 111 Wherein the detector comprises: delete

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