KR101337800B1 - Radiation irradiator as possible to check the location of the radiation source - Google Patents

Radiation irradiator as possible to check the location of the radiation source Download PDF

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Publication number
KR101337800B1
KR101337800B1 KR1020130047800A KR20130047800A KR101337800B1 KR 101337800 B1 KR101337800 B1 KR 101337800B1 KR 1020130047800 A KR1020130047800 A KR 1020130047800A KR 20130047800 A KR20130047800 A KR 20130047800A KR 101337800 B1 KR101337800 B1 KR 101337800B1
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KR
South Korea
Prior art keywords
radiation source
guide tube
positioning means
radiation
moved
Prior art date
Application number
KR1020130047800A
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Korean (ko)
Inventor
구본창
홍석진
Original Assignee
고려공업검사 주식회사
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Priority to KR1020130047800A priority Critical patent/KR101337800B1/en
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Publication of KR101337800B1 publication Critical patent/KR101337800B1/en

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
    • G21K5/00—Irradiation devices
    • G21K5/10—Irradiation devices with provision for relative movement of beam source and object to be irradiated

Abstract

The present invention relates to an irradiator which enables an operator to check the location of a radiation source. More specifically, the present invention comprises the following components: a body wherein a radiation source assembly, which contains a radiation source at the inside, is placed; a guiding tube which is prepared at one end of the body and guides the radiation source toward a measurement object; an operation part which is prepared at the other end of the body and moves the radiation source along the guiding tube by moving a wire through winding in one direction or moving the wire through winding in the other direction; and a location checking unit for checking the location of the radiation source which is moved along the guiding tube. According to the present invention like the above, an operator can easily check the location of a radiation source even from a distance and at night, therefore, can avoid damage by radiation exposure, and as a result, a working environment can be improved and work efficiency can be increased.

Description

Radiation irradiator as possible to check the location of the radiation source}

The present invention relates to a radiation irradiator, and more particularly, in the non-destructive inspection, it is possible to easily check the position of the radiation source to prevent the worker from being exposed to radiation to improve the working environment to improve the work efficiency It relates to a radiation irradiator capable of positioning.

In general, the radiation irradiator is a non-destructive inspection device for inspecting the welded state of a structure such as a pipe or a steel steel pipe or mechanical defects therein by radiographic imaging. The other end is connected to the radiation source unit with a connector and a container unit for keeping the radiation source inside the shielded state, and a cable operation unit connected to the connector of the radiation source unit to move the radiation source and the container unit to guide the radiation source to the inspection position It consists of a tube.

Such a radiation irradiator is the same as that disclosed in the conventional registered utility model No. 20-0434989, the procedure of performing a non-destructive test using the same first to fix the test after positioning the transmission pipe (hereinafter referred to as a guide tube) to the test point Attach the film to the outer surface of the object, connect the cable of the cable operation part and the connector of the radiation source located inside the container part, and move the cable along the inside of the container part using the remote control of the cable operation part to move the radiation source part to the end of the guide tube. It is transferred and irradiated with radiation.

After the inspection at the inspection point, the operator transfers the radiation source to the container unit by using a remote controller and moves the tip of the guide tube to the next inspection position to repeat the inspection.

However, in the case of non-destructive inspection, the worker performs the operation using a remote control in a state far from the radiation source, so that there is almost no radiation exposure, but there is a problem that exposure damage occurs due to equipment failure, aging, or operator error. There is this.

In other words, when recovering the radiation source, only the cable is recovered and the radiation source remains in the guide tube in a state where the connector of the radiation source and the cable are separated and separated, and the operator does not recognize this and approaches the radiation source. In some cases, radiation exposure will occur.

Of course, according to the radiation safety regulations, workers should be equipped with a separate radiation monitoring equipment such as surveyor or personal alarm device to perform the inspection while continuously monitoring the exposure of the radiation. Due to such circumstances, radiation monitoring equipment is not always carried and performed.

Accordingly, the present invention has been made to solve the above problems, the body and the guide tube and the wire for guiding so that the radiation source can be moved to the measurement object in one direction or moved in the other direction It is provided with an operation unit for moving the radiation source along the guide tube as it moves around, and having a positioning means for confirming the position of the radiation source that is moved along the guide tube can easily check the position of the radiation source, It is an object of the present invention to provide a radiation irradiator capable of confirming the location of a radiation source that can be easily checked even at a long distance and at night, thereby preventing a worker from being exposed to damage and improving the working environment.

The present invention for achieving the above object is a body in which a radiation source assembly is inserted into a radiation source therein, a guide tube which is provided at one end of the body to guide the radiation source to be moved to the measurement object, the other end of the body And a control unit for moving the radiation source along the guide tube by moving the wire in one direction or by moving it in another direction, and confirming the position of the radiation source moved along the guide tube. It comprises a means, it is possible to confirm the position of the radiation source by the positioning means to prevent the exposure damage of the worker, and can quickly respond to the situation.

Preferably, the positioning means is provided with a plurality in a predetermined interval along the guide tube, the case provided in the guide tube, the light source unit provided in the case, and the inside of the case to be connected to the light source unit, It comprises a switch unit that is turned on (on) or off (off) by the radiation source moved along the guide tube to turn on the light source.

The switch unit is turned on by the radiation source moved in one direction of the guide tube for measurement so that the light source is turned on and turned off by the radiation source moved in the other end direction of the guide tube so as to move in the body direction. off) so that the light source is turned off.

In addition, the light source unit is an LED.

And the positioning means, the screw thread formed along the outer periphery of the wire connected to the radiation source, the gear portion is rotated in engagement with the screw thread when the wire is moved, and the moving distance of the radiation source according to the rotation angle of the gear portion It includes a display unit for displaying.

In addition, the positioning means has a light source, the first positioning means for confirming the position of the radiation source in the guide tube as it is turned on or off by the moving radiation source, and the position according to the measurement by measuring the moving distance of the radiation source It includes a second positioning means that can be confirmed.

The first positioning means is provided with a plurality of intervals along the guide tube at predetermined intervals, the case provided in the guide tube, the light source unit provided in the case, and the inside of the case to be connected to the light source unit, It comprises a switch unit that is turned on (on) or off (off) by the radiation source moved along the guide tube to turn on the light source.

In addition, the second positioning means, the threaded portion formed along the outer periphery of the wire connected to the radiation source, the gear portion is rotated in engagement with the threaded portion, the movement of the wire, and the rotation of the radiation source according to the rotation angle of the gear portion It includes a display unit for displaying the moving distance.

As described above, according to the radiation irradiator capable of confirming the position of the radiation source according to the present invention, the position of the radiation source can be easily confirmed, and can be easily checked even at a long distance and at night to prevent the worker from being exposed to the damage. It is a very useful and effective invention that can improve the working environment by improving the working environment.

1 is a view showing a radiation irradiator capable of identifying the position of a radiation source according to the present invention,
2 is a view showing a positioning means according to the invention,
3 is a view showing the operating state of the positioning means according to the invention,
4 is a view showing another embodiment of a radiation irradiator capable of confirming the position of a radiation source according to the present invention;
5 is a view showing a positioning means of another embodiment according to the present invention,
6 is a view showing another embodiment of a radiation irradiator capable of identifying the position of a radiation source according to the present invention,
7 is a view showing a positioning means of another embodiment according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

It should be noted that the present invention is not limited to the scope of the present invention but is only illustrative and various modifications are possible within the scope of the present invention.

1 is a view showing a radiation irradiator capable of confirming the position of a radiation source according to the present invention, Figure 2 is a view showing a positioning means according to the present invention, Figure 3 is an operating state of the positioning means according to the invention 4 is a view showing another embodiment of a radiation irradiator capable of confirming the position of a radiation source according to the present invention, Figure 5 is a view showing the positioning means of another embodiment according to the present invention, 6 is a view showing another embodiment of a radiation irradiator capable of confirming the position of a radiation source according to the present invention, Figure 7 is a view showing a positioning means of another embodiment according to the present invention.

As shown in the figure, the radiation irradiator 10 capable of identifying the position of the radiation source is composed of a body 100, a guide tube 200, the operation unit 300 and the positioning means 400.

The body 100 has a radiation source assembly 120 in which the radiation source 110 is inserted therein, and the guide tube 200 is provided at one end of the body 100 so that the radiation source 110 can be moved to the measurement object. To guide you.

And the operation unit 300 is provided on the other end of the body 100 is provided to move the radiation source 110 along the guide tube 200 as the wire wound in one direction or moved in the other direction.

Positioning means 400 is provided to confirm the position of the radiation source 110 is moved along the guide tube (200).

By the positioning unit 400, the position of the radiation source 110 can be confirmed, thereby preventing the worker from being exposed to damage, and promptly responding to the situation.

Here, as shown in Figures 2 and 3, the positioning means 400 is provided with a plurality of predetermined intervals along the guide tube 200, each positioning means 400 is a case 410 and the light source unit 420 and the switch unit 430.

The case 410 is provided in the guide tube 200, and the light source 420 is provided in the case 410.

In addition, the switch unit 430 is provided inside the case 410 to be connected to the light source unit 420, and is turned on or off by a radiation source that is moved along the guide tube 200. It will light up.

In other words, the switch unit 430 is turned on by the radiation source 110 which is moved in one direction of the guide tube 200 for measurement, so that the light source unit 420 is turned on.

On the contrary, the light source 420 is turned off by being turned off by the radiation source 110 which is moved in the other end direction of the guide tube 200 so as to move in the body direction.

Accordingly, the position of the radiation source 110 can be easily confirmed in the guide tube 200 where the inside is not visible, and the location can be easily checked even at night or in a place without light, thereby preventing the worker from being exposed. It is.

Here, it is preferable that the light source unit 420 uses an LED, and in some cases, halogen or another kind may be used.

And the light source unit 420 may be composed of a confirmation light and a member.

Confirmation light is turned on by operating the switch unit 430 by the moving radiation source 110, the radioactive source 110 passes through the corresponding positioning means 400 to display the moving to the position for inspection .

On the contrary, the member and the like after the inspection, by operating the switch unit 430 by the radiation source 110 is moved to the body 100, the inspection is finished and passes through the corresponding positioning means 400 for the inspection It will indicate moving to the location.

By such confirmation and the like, the position of the radiation source 110 can be more accurately checked at night, thereby preventing the worker from being exposed.

Meanwhile, as shown in FIGS. 4 and 5, the positioning means 400 ′ of another embodiment includes a threaded portion 410 ′, a gear 420 ′, and a display 430 ′.

The thread 410 ′ is formed along the outer circumference of the wire 310 connected to the radiation source 110, and the gear 420 ′ is threaded 410 when the wire 310 moves for the movement of the radiation source 110. ') And rotates.

In addition, the display unit 430 ′ displays the moving distance of the radiation source 110 according to the rotation angle of the gear unit 420 ′, and is provided to be displayed to the outside of the body 100 so that the worker moves to the radiation source 110. To check.

In addition, as shown in Figure 6, the positioning means 500 is composed of a first positioning means 510 and a second positioning means 520.

The first positioning means 510 has a light source unit 512, and can be checked the position of the radiation source in the guide tube 200 as it is turned on or off by the moving radiation source 110.

In addition, the second positioning unit 520 may check the position by measuring and displaying the moving distance of the radiation source 110.

Looking at the first positioning means 510 in more detail, it is provided with a plurality of predetermined intervals along the guide tube (110), each composed of a case 512, a light source 514 and a switch unit 516.

The case 512 is provided in the guide tube 110, the light source unit 514 is provided in the case 512, it is preferably used as an LED.

In addition, the switch unit 516 is provided inside the case 512 to be connected to the light source unit 514, and is turned on or off by the radiation source 110 moving along the guide tube 200. 514 is turned on or off.

In addition, the second positioning means 520 is composed of a screw thread 522, a gear 524 and the display portion 526.

The thread part 522 is formed along the outer circumference of the wire 310 connected to the radiation source 110, and the gear part 524 is engaged with the thread part 510 and rotates when the wire 310 moves.

In addition, the display unit 526 displays the moving distance of the radiation source 110 according to the rotational angle of the gear unit 524, and may be provided so that an operator can easily check it from the outside.

As described above, the position of the radiation source 110 can be doubled by the first positioning means 510 and the second positioning means 520, thereby preventing the worker from being exposed to damage and providing a safe working environment. Improve efficiency

10: irradiator 100: body
110: radiation source 120: radiation source assembly
200: guide tube 300: control panel
400, 400 ', 500: positioning means 410, 512: case
420, 514: light source 430, 516: switch
410 ', 522: thread part 420', 524: gear part
430 ', 526: display unit

Claims (8)

A body in which a radiation source assembly into which a radiation source is inserted is located;
A guide tube provided at one end of the body to guide the radiation source to the measurement object;
An operation unit provided at the other end of the body and moving the radiation source along the guide tube as the wire is wound in one direction or moved in another direction; And
It comprises a positioning means for confirming the position of the radiation source moved along the guide tube,
It is possible to check the position of the radiation source by the positioning means to prevent the worker's exposure damage, and to quickly respond to the situation,
The positioning means,
It is provided with a plurality at regular intervals along the guide tube,
A case provided in the guide tube;
A light source unit provided in the case; And
It is provided inside the case so as to be connected to the light source, and is made on (on) or off (off) by a radiation source that moves along the guide tube comprises a switch to turn on the light source,
Wherein,
The light source is turned on by the radiation source moved in one direction of the guide tube for measurement and turned off by the radiation source moved in the other end of the guide tube so as to move in the direction of the body. A radiation irradiator capable of confirming the position of a radiation source, characterized in that the light source is turned off.
delete delete The method of claim 1,
The light source is irradiated irradiator, characterized in that the position of the radiation source, characterized in that the LED.
A body in which a radiation source assembly into which a radiation source is inserted is located;
A guide tube provided at one end of the body to guide the radiation source to the measurement object;
An operation unit provided at the other end of the body and moving the radiation source along the guide tube as the wire is wound in one direction or moved in another direction; And
It comprises a positioning means for confirming the position of the radiation source moved along the guide tube,
It is possible to check the position of the radiation source by the positioning means to prevent the worker's exposure damage, and to quickly respond to the situation,
The positioning means,
A thread portion formed along a wire outer periphery connected to the radiation source;
A gear part which is engaged with the screw thread part and rotates when the wire is moved; And
And a display unit for displaying a moving distance of the radiation source according to the rotational angle of the gear unit.
A body in which a radiation source assembly into which a radiation source is inserted is located;
A guide tube provided at one end of the body to guide the radiation source to the measurement object;
An operation unit provided at the other end of the body and moving the radiation source along the guide tube as the wire is wound in one direction or moved in another direction; And
It comprises a positioning means for confirming the position of the radiation source moved along the guide tube,
It is possible to check the position of the radiation source by the positioning means to prevent the worker's exposure damage, and to quickly respond to the situation,
The positioning means,
First positioning means having a light source and capable of checking the position of the radiation source in the guide tube as it is turned on or off by the moving radiation source; And
A radiation irradiator capable of confirming the position of a radiation source comprising a second positioning means for identifying the position by measuring and displaying the moving distance of the radiation source.
The method of claim 6, wherein the first positioning means,
It is provided with a plurality at regular intervals along the guide tube,
A case provided in the guide tube;
A light source unit provided in the case; And
A radiation irradiator which is provided inside the case to be connected to the light source unit and includes a switch unit which is turned on or off by a radiation source moving along the guide tube to turn on the light source unit .
The method of claim 6, wherein the second positioning means,
A thread portion formed along a wire outer periphery connected to the radiation source;
A gear part which is engaged with the screw thread part and rotates when the wire is moved; And
And a display unit for displaying a moving distance of the radiation source according to the rotational angle of the gear unit.
KR1020130047800A 2013-04-29 2013-04-29 Radiation irradiator as possible to check the location of the radiation source KR101337800B1 (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101559298B1 (en) 2015-06-04 2015-11-03 금성지티씨 주식회사 Nondestructive inspection device movable in pipes for retrieving radioactive source in emergency
KR20160012503A (en) 2014-07-24 2016-02-03 주식회사 레니븐테크놀로지 Apparatus and method for accumulating and transmitting data for preventing data's loss of radioisotope device between Device with a server
KR200480569Y1 (en) * 2016-03-09 2016-06-10 코스텍기술(주) Sources of radiation collimator for position indication for radiographic examination
KR101647256B1 (en) * 2015-06-04 2016-08-09 서영범 Nondestructive inspection device movable in pipes
KR20190083780A (en) 2018-01-05 2019-07-15 인제대학교 산학협력단 Guide ring type flourescent intensifying screen and radiation irradiator having the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101223227B1 (en) 2012-07-09 2013-01-17 유영검사 주식회사 An apparatus managing an amount of radiation for a nondestructive inspection apparatus
KR101250801B1 (en) * 2011-11-16 2013-04-04 동의대학교 산학협력단 Radiation projector with alarm

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101250801B1 (en) * 2011-11-16 2013-04-04 동의대학교 산학협력단 Radiation projector with alarm
KR101223227B1 (en) 2012-07-09 2013-01-17 유영검사 주식회사 An apparatus managing an amount of radiation for a nondestructive inspection apparatus

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160012503A (en) 2014-07-24 2016-02-03 주식회사 레니븐테크놀로지 Apparatus and method for accumulating and transmitting data for preventing data's loss of radioisotope device between Device with a server
KR101559298B1 (en) 2015-06-04 2015-11-03 금성지티씨 주식회사 Nondestructive inspection device movable in pipes for retrieving radioactive source in emergency
KR101647256B1 (en) * 2015-06-04 2016-08-09 서영범 Nondestructive inspection device movable in pipes
KR200480569Y1 (en) * 2016-03-09 2016-06-10 코스텍기술(주) Sources of radiation collimator for position indication for radiographic examination
KR20190083780A (en) 2018-01-05 2019-07-15 인제대학교 산학협력단 Guide ring type flourescent intensifying screen and radiation irradiator having the same

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