JP2002333479A - Small article monitor, and stocker for small article - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small article monitor having a large storage capacity for small articles allowed to be carried out, capable of finding easily the small article for the person concerned, and high in safety when taken out. SOLUTION: Card readers 13, 25 for reading an ID card are provided respectively in a monitor part 1a and a stocker part 2a, a business worker makes the ID card 5 read by the card reader 13 when the article is carried in, makes a contaminated condition in the article by a radioactive substance inspected, and makes the carrying-out permitted small articles stored in each shelf 23a inside the stocker part 2a. A storage position thereof and a read signal of the ID card are recorded in a signal processor 12a, and the worker makes the ID card 5 read by a card reader 25 to display the storage position on a display 27 of the shelf 23a, when the small article is carried out.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiation control area (hereinafter abbreviated as a control area) of a radioactive material handling facility.
Small article monitor that inspects the surface contamination state of radioactive materials on small articles that are hand-held articles such as tools used by workers working inside the facility, judges whether or not they can be ejected, and ejects only small articles that can be ejected About.

[0002]

2. Description of the Related Art A small article monitor monitors the state of surface contamination of small articles by radioactive materials and determines whether or not the small articles may be carried out of a control area (non-control area). And a small article monitor stocker (hereinafter, abbreviated as a stocker unit) that stores only small articles that are determined to be able to be carried out.

FIG. 6 is a side view showing an example of a conventional small article monitor. The thick arrow in the figure indicates the moving direction of the small article 3. The monitor section 1 of the small article monitor carries a measuring dish 4 on which a small article 3 to be carried out to a non-management area is loaded in a direction of an arrow A in a control area, and is provided with a radiation detection device arranged vertically, horizontally, and so on. By inspecting the surface contamination state of the small article 3 by the radioactive material by the device 11 and the signal processing device 12, etc., it is determined whether or not the small article 3 may be carried out to the uncontrolled area. Small articles 31 in stocker section 2
And return the small articles that are not allowed to be carried out to the carry-in side (the direction opposite to the arrow A).

[0004] The stocker unit 2 of the small article monitor includes an elevator 21 driven by an elevator elevating mechanism 22 to move up and down, and a plurality of shelves 23. Then, the small article 31 is stored by the elevator 21 in the shelf 23 which is not stored. A conveyor (not shown) is mounted on the elevator 21, and the conveyed small articles 31 are moved to a predetermined position on the elevator or sent to the shelf 23. The side surface of the stocker unit 2 is surrounded by a panel plate for safety.
It has become. In addition, when the door 24 is opened to ensure safety, the transport of the small articles 31 that can be carried out is interrupted by a limit switch (not shown) that operates by opening and closing the door 24.

[0005] The monitor unit 1 includes an ID card reader for identifying a worker who has carried the small article 3 by using an ID card, and a monitor unit that does not. When the propriety of unloading the small article 3 and whether the corresponding worker are required as information, an ID card reader is provided, and the worker who carries the small article 3 is specified.

[0006] The worker who has carried the small article 3 into the small article monitor, confirms that the small article 3 carried in can be carried out, and then withdraws from the management area to the stocker section 2 in the non-management area. The door 24 is opened, and the small parts 31 are retrieved from the shelf 23 and taken out. In the case of the small article monitor shown in FIG. 6, the unloadable small articles 31 are stored in empty shelves by the elevator 21, but can be unloaded by moving the entire shelf up and down without the elevator 21. There is also a small article monitor in which small articles 31 are stored in empty shelves.

[0007]

In such a conventional small article monitor, one small article is stored in each shelf of the stocker section, and when the stored small articles are taken out from the shelf, the worker is engaged in work. Are looking for their small items visually and taking them out of the shelf. For this reason, the installation height of the shelves is limited in terms of ease of searching and taking out, and for ensuring safety, and the storage capacity per installation area of the stocker unit is reduced. Further, even when the height is limited, when small articles are taken out from a high position, there is a risk associated with dropping them. Further, when the number of small articles stored in the stocker unit increases, it often takes a long time for a worker to search for his / her small articles.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems, to provide a large storage capacity for small articles that can be carried out, to easily find small articles of the subject, and to provide high security when taking out small articles. Is to provide a monitor.

[0009]

The inventions of claims 1 to 3 relate to a small article monitor, and the inventions of claim 4 and claim 5 relate to a stocker section. The invention according to claim 1 is characterized in that, when a small article which is a hand-held article such as a tool used by a worker working in a management area of a radioactive substance handling facility is carried out of the management area, the radioactive substance of the small article is removed. A monitor for inspecting the surface contamination state due to, and a stocker unit for storing a small article determined to be able to be carried out, comprising: a monitor unit and a stocker unit; A monitor ID card reading means for reading an ID card for identification and a stocker ID card reading means, and a storage position for small articles of a worker who has made the stocker section read the ID card by the stocker ID card reading means; The monitor unit is connected to the monitor unit ID card reading unit and the stocker unit ID card reading unit. To inspect the surface contaminated with radioactive substances small articles carried by the signals from the card reading means, the determined small article and the carry-out allowed by accommodated in the stocker unit records the storage position, and stocker ID
A signal processing device is provided for displaying the storage position of the small article of the worker on the display means in accordance with a signal from the card reading means.

[0010] When the worker inputs his / her small articles, the monitor section ID card reading means reads the ID card so that the carried small articles and their owners can be grasped in correspondence with the signal processing section. If the small article is a transportable small article, the small article is stored in the stocker unit, and the storage position is recorded in the signal processing unit. When the worker removes the small article from the stocker section, the signal processing section causes the stocker section ID card reading means to read the ID card so that the storage position of the small article of the worker is displayed on the display means. The display allows the worker to easily find his or her small articles.

[0011] The invention according to claim 2 is to provide a small article which is a hand-held article such as a tool used by a worker who has worked in the management area of the radioactive material handling facility when the small article is carried out of the management area. A monitor for inspecting the state of surface contamination by radioactive substances, and a stocker unit for storing small articles determined to be able to be carried out, and a small article monitor comprising:
Each of the monitor unit and the stocker unit is provided with a monitor unit ID card reading unit and a stocker unit ID card reading unit for reading an ID card for identifying the worker, and the whole of the stocker unit moves up and down. Equipped with a plurality of shelves whose height can be adjusted.
The small articles, which are connected to the D card reading means and the stocker ID card reading means, are inspected for the surface contamination state of the small articles carried in by a signal from the monitor ID card reading means by radioactive material, and the small articles determined to be unloadable are inspected. It is stored on the shelf of the stocker part and its storage position is recorded,
In addition, a signal processing device is provided that adjusts the height of the shelf storing the small articles of the worker to the height of the carry-out position of the small articles in the stocker section by a signal from the stocker section ID card reading means.

Also in the case of the present invention, the monitor ID card reading means and the stocker I
D card reading means is provided so that the worker can read the ID card when carrying in and out the small articles. At the time of carrying in, similar to the first aspect of the invention, the small articles determined to be able to be carried out are stored on the shelf of the stocker unit, and the storage position is recorded in the signal processing device. The storage position of the small item is not displayed on the display means, but the shelf storing the small item moves to the unloading position, so the worker needs to search for his / her small item. It is possible to take out small articles from a safe and easy-to-take-out position. Furthermore, since the height of the shelf may be within a range that can be adjusted to the carry-out position, the limitation on the installation range of the shelf is relaxed, and the storage capacity of small articles is increased.

According to a third aspect of the present invention, when a small article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility is carried out of the control area, the small article is removed. A small article monitor comprising a monitor for inspecting the surface contamination state of the article by radioactive substances, and a stocker section for storing small articles determined to be able to be carried out, wherein the monitor section and the stocker section each include: A monitor for reading an ID card for identifying a worker is provided with a monitor ID card reading means and a stocker ID card reading means, and the small articles judged to be unloadable by the monitor are conveyed to the stocker section in the stocker section. And a monitor unit connected to the monitor unit ID card reading unit and the stocker unit ID card reading unit.
Inspection of the surface contamination state of the small articles carried in by the signal from the D card reading means due to the radioactive material, the small articles judged to be able to be carried out are stored in the stocker section, the storage position is recorded, and the stocker section ID is recorded. There is provided a signal processing device for transporting the small articles of the worker to the small article carry-out position of the stocker section by the transport means in accordance with a signal from the card reading means.

Also in the case of the present invention, the monitor ID card reading means and the stocker I
D card reading means is provided so that the worker can read the ID card when carrying in and out the small articles. At the time of carrying in, similar to the first aspect of the invention, the small articles determined to be able to be carried out are stored in the stocker section,
The storage position is recorded in the signal processing device, but at the time of unloading, the storage position of the small article of the worker is not displayed on the display means, but the small article is transported to the unloading position by the transport means. Come,
There is no need to search for one's own small articles, and the small articles can be taken out from a safe take-out position at a safe height. Further, since the small articles are conveyed to the unloading position by the conveying means, the height of the shelf is not restricted due to safety at the time of unloading, and the storage capacity of the small articles is greatly increased.

According to a fourth aspect of the present invention, there is provided a small article for inspecting a surface contamination state of a small article which is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility by a radioactive substance. A stocker unit for receiving and storing small articles determined to be unloadable by the monitor unit of the monitor from the monitor unit, comprising a shelf for storing a plurality of small parts in series in the direction in which the small articles are loaded from the monitor unit. I have.

Since a plurality of small parts are stored in one shelf in series in the loading direction, the storage capacity of small articles is increased.
When storing the same number of small items, the shelf arrangement can be limited to a height within a range where the safety at the time of taking out the small items is high, and the storage capacity can be increased by increasing the number of series. it can. Further, by combining with the invention of claim 2 or claim 3, the storage capacity of small articles can be further increased.

According to a fifth aspect of the present invention, there is provided a monitor unit for inspecting the surface contamination state of a small article which is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility by a radioactive substance. A stocker unit for receiving small articles judged to be unloadable from the monitor unit and storing the small articles from the monitor unit, and including a shelf for storing a plurality of small parts in parallel in the direction in which the small article is carried in from the monitor unit.

In this case, the series in the fourth aspect of the invention is replaced in parallel, and a plurality of small parts are stored in one shelf in parallel in the loading direction. In the case where the storage capacity of the small articles is increased and the same number of the small articles is stored, the arrangement of the shelves can be limited to a height in a range where the safety at the time of taking out the small articles is high,
Increasing the number of parallels can also increase the storage capacity. Further, by combining with the invention of claim 2 or claim 3, the storage capacity of small articles can be further increased.

[0019]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a small article monitor and a stocker unit according to the present invention will be described with reference to examples. Parts having the same functions as those of the prior art are denoted by the same reference numerals. FIG. 1 is a block diagram showing a configuration of a small article monitor according to a first embodiment of the present invention.

An ID card reader (abbreviated as a card reader in FIG. 1) 13 for specifying, by means of the ID card 5, a worker who has carried the small article into the monitor section 1a and the stocker section 2a of the small article monitor. The ID card readers 13 and 25 are connected to the signal processing device 12a of the monitor 1a. The stocker section 2a
Each of the shelves 23a is provided with a display 27 for each small article storage position, and these displays 27 are connected to the signal processing device 12a via a sequencer 26.

The worker carrying the small article, when the small article is carried into the small article monitor, receives the ID of the monitor 1a.
The card reader 13 reads the ID card 5. The read signal of the ID card reader 13 is sent to the signal processing device 12a, which causes the carried small article to inspect the surface contamination state of the carried small article by the radioactive material. As a result of the inspection, the small article 3 can be carried out. If it is a small article 31, the small article 31 is sent to the stocker section 2a, and the shelf 23a of the stocker section 2a is sent.
Is stored in a vacant storage position, and the storage position is recorded together with the worker engaged in the work. If unloading is impossible, the small article 3 is returned to the loading position. Workers,
After confirming that the result of the inspection is unloadable, the user leaves the management area to the non-management area and causes the ID card reader 25 of the stocker unit 2a to read the ID card 5. ID card reader
The read signal 25 is sent to the signal processing device 12a, and the signal processing device 12a drives the sequencer 26 to display the signal on the shelf 23a containing the small articles 31 that can be carried out by the worker. 27 displays the location of the small article 31.

With this display, the worker can easily find the position of his or her small articles that can be carried out. In this embodiment, the position is displayed on the display 27 by driving the sequencer 26, but it is also possible to display the position on the display 27 directly by the signal processing device 12a.

Instead of providing the indicator 27 at each storage position, each storage position may be numbered and displayed on a display panel. [First Embodiment of Stocker Section] FIGS. 2A and 2B show the structure of a first embodiment of the stocker section according to the present invention, wherein FIG. 2A is a front view and FIG. 2B is a plan view.

The stocker section 2b has an inclined shelf (movable shelf in FIG. 2) 23b which moves up and down, and is a small article 31 which is carried out and sent from the monitor section 1b to the measuring plate 4.
Is moved to a predetermined position on the right by an inclination of about 5 degrees while being mounted on the measuring dish 4. On the shelf 23b, there is a measuring dish 4
Rollers (not shown) are provided for smoothly moving the roller. The inclined movable shelf 23b has a length capable of mounting two measurement dishes 4, and a stopper (not shown) is provided substantially at the center thereof. This stopper operates to prevent the measuring plate 4 from moving to the right when the small articles 31 are stored on the right side of the shelf 23b, and the small articles 31 are not stored on the right side. In this case, it does not function as a stopper. In addition, the entire shelf 23b is moved up and down by the shelf elevating mechanism 28, and the small articles 31 carried out from the monitor unit 1b are stored in each shelf. The stored transportable small articles 31 are taken out in the direction of C1 or C2 with the door 24 provided on the front of the hand opened in the direction of the arrow.

In the case of the stocker section 2b, since two small articles 31 can be carried out for each shelf, the storage capacity of the stocker section is increased, and the position of the shelf can be taken out safely. It is possible to limit to a high range. In this embodiment, a case where two small articles to be carried out are stored in series has been described, but a shelf for storing three or more small articles to be carried out in series may be used.

In this embodiment, since the number of small articles to be stored is increased, it is effective to provide an ID card reader and a display as in the first embodiment of the small article monitor. FIG. 3 shows the structure of a small article monitor according to a second embodiment of the present invention.
(A) is a front view, (b) is a plan view.

In the first embodiment of the small article monitor, the signal processing section displays the storage position of the corresponding small article on a display by a read signal of the ID card reader of the stocker section, and determines the location of the small article. However, this embodiment includes an ID card reader 13 for the monitor unit and an ID card reader 25 for the stocker unit as in the first embodiment of the small article monitor, and the stocker unit 2c has the second stocker unit. The moving shelf 23b similar to that of the first embodiment is provided, and the signal processing device 12c uses the read signal of the ID card reader 25 of the stocker unit 2c to determine the position of the shelf where the corresponding small article is stored. The position is adjusted to the position (the position of the door 24a) so that the worker does not need to search for his or her small articles.

The worker carrying the small article carries the small article into the monitor section 1c, then leaves the management area and enters the ID.
Until the card reader 25 reads the ID card, the operation is the same as that of the first embodiment, and the description is omitted. When the worker causes the ID card reader 25 to read the ID card, the read signal causes the signal processor 12c to drive the shelf elevating mechanism 28 to move the movable shelf 23b to read the ID card. The height of the shelf storing the small articles 31 that can be carried out by the user is adjusted to the position of the door 24a that is the carry-out position. The worker confirms that the shelf 23b has stopped, and checks the door 24a.
Is opened, the user selects his / her small article from the two small articles at the carry-out position, and takes it out in the direction of C1 'or C2'.

In the case of this embodiment, the shelf accommodating the small articles to be carried out moves to the carry-out position of a predetermined height, so that the height can be easily seen, taken out, and secured. If the height is set to a high height, the worker can easily find his / her small item and can take out the small item more safely and easily. [Second Embodiment of Stocker Section] FIGS. 4A and 4B show the structure of a second embodiment of the stocker section, wherein FIG. 4A is a front view and FIG. 4B is a plan view.

The stocker unit 2d, like the conventional example shown in FIG. 6, uses the elevator unit 21 to drive the small articles 31 to be carried out which are mounted on the measuring plate 4 and sent from the monitor unit 1d. And stored in shelf 23c. In order to smoothly move the measuring plate 4 to a predetermined position on the shelf 23c, it is shown horizontally in FIG. 4, but the shelf 23c is provided with an inclination of about 5 degrees and rollers (not shown) are mounted. I have.
This embodiment differs from the prior art in that, in addition to a conveyor (not shown) for moving the measuring dish 4 from left to right in FIG. Is provided with a moving mechanism for moving back and forth. As shown in FIG. 4B, two forward-movable small articles 31 are provided for each shelf by this back-and-forth moving mechanism.
Is stored. The stored small articles 31 to be carried out are taken out in the direction of B1 or B2 with the door 24 on the right side opened in the direction of the arrow.

In the case of the stocker section 2d, since two small articles 31 can be carried out for each shelf, the storage capacity of the stocker section is increased, and the position of the shelf can be taken out safely. It is possible to limit to a high range. In this embodiment, the case where two small articles to be carried out are stored in parallel has been described, but a shelf for storing three or more small articles to be carried out in parallel may be used.

In this embodiment, since the number of small articles to be stored increases, it is also effective to provide an ID card reader and a display as in the first embodiment of the small article monitor. [Third embodiment of a small article monitor] A first embodiment of a small article monitor is a display on a shelf in which a signal processing unit stores a small article to be carried out by a read signal of an ID card reader of a stocker unit. To indicate the location of the accessory,
In the second embodiment, the movable shelf is adjusted to the height of the unloading position and the small articles to be unloaded are transported to the unloading position. In the third embodiment, the small articles are moved between the elevator and the shelf. A transport mechanism is provided for exchanging a measurement plate on which a small article to be carried is placed, and the signal processing device transports the small article to be carried out by an elevator to a carry-out position of a stocker unit in response to a read signal of an ID card reader.

FIGS. 5A and 5B show the structure of a small article monitor according to a third embodiment, wherein FIG. 5A is a front view and FIG. 5B is a plan view.
The monitor unit 1e of this embodiment has the same configuration as the first and second embodiments. The stocker unit 2e includes a plurality of shelves 23d for storing two small articles 31 that can be carried out for each shelf as in the second embodiment of the stocker unit, and an elevator 21 equipped with a not-shown conveyor and a longitudinal movement mechanism. It has. The difference between the stocker section 2e of this embodiment and the stocker section 2d of the second embodiment of the stocker section is that, in the stocker section 2d, the transportable small articles 31 are simply moved from the conveyor of the elevator 21 to the shelf 23c. On the other hand, the stocker unit 2e requires a function of mounting the small articles 31 carried out stored in the shelf 23d on the elevator 21 again. In this embodiment, a shelf 23d is provided on the right side of the shelf 23d in order to provide the function.
A shelf tilt adjusting mechanism 29 for moving the right end of the rack up and down is provided. When storing the small articles 31 to be carried out, the shelf inclination adjusting mechanism 29 lowers the right end of the shelf 23d to tilt the shelf 23d to the right, and when returning the small articles 31 to be carried out onto the elevator 21,
Raise the right end of the shelf 23d and tilt it to the left. In addition, when it is tilted to the left, shelves 23d except for the small articles 31
A stopper (not shown) is mounted on the shelf 23d for each storage position.

When the worker causes the ID card reader 25 to read the ID card, the worker can transport the small article 31 to the carry-out position (arrow C1 ") where the carry-out small article 31 can be easily and safely taken out. The worker can easily and safely take out the small articles 31 that can be carried out without having to search the shelves for the small articles 31. In this method, the small articles are transported to the carry-out position. There is no need to limit the height of the shelves to ensure the safety of the equipment, and the storage capacity of small articles is greatly increased.

In the above embodiment, the shelf tilt adjusting mechanism is provided.
Small items can be transported between the elevator and the shelf by the inclination of the shelf by 29, but also by mounting a conveyor on the shelf or moving the measuring dish to the right and left using the arm. A similar function can be provided.

[0036]

According to the first aspect of the present invention, when a business worker carries in his / her small articles, the monitor unit ID card reading means reads the ID card, so that the carried small articles and the possession thereof are obtained. The person is grasped corresponding to the signal processing unit, and if the small article is a small article that can be carried out, the small article is stored in the stocker unit, and the storage position is recorded in the signal processing unit. When the worker removes the small article from the stocker unit, the stocker unit ID card reading means reads the ID card,
Since the signal processing unit displays the storage position of the small article of the worker on the display means, the worker can easily find his / her small article. Therefore, according to the present invention, it is possible to provide a small item monitor that allows the user to easily find the small item.

According to the second aspect of the present invention, similarly to the first aspect of the present invention, the monitor section ID card reading means and the stocker section ID card reading means are provided, and the worker carries in his / her small articles. The ID card is read at the time of carrying out and when carrying out. At the time of carrying in, similar to the first aspect of the invention, the small articles determined to be able to be carried out are stored on the shelf of the stocker unit, and the storage position is recorded in the signal processing device. The storage position of the small item is not displayed on the display means, but the shelf storing the small item moves to the unloading position, so the worker needs to search for his / her small item. It is possible to take out small articles from a safe and easy-to-take-out position. Furthermore, since the height of the shelf may be within a range that can be adjusted to the carry-out position, the limitation on the installation range of the shelf is relaxed, and the storage capacity of small articles is increased. Therefore, according to the present invention, it is possible to provide a small article monitor that has a large storage capacity for small articles, does not require the user to search for small articles, and has high safety when taking out small articles.

According to the third aspect of the present invention, similarly to the first aspect of the invention, the monitor ID card reading means and the stocker ID card reading means are provided, and the worker carries in his / her small articles. The ID card is read at the time of carrying out and when carrying out. At the time of carrying in, similar to the first aspect of the invention, the small articles determined to be able to be carried out are stored in the stocker unit, and the storage position is recorded in the signal processing device. The storage position of the article is not displayed on the display means, but the small article is transported to the unloading position by the transport means, so that the worker does not need to search for his own small article and is easy to take out. The small articles can be taken out from the carry-out position at a safe height. Further, since the small articles are conveyed to the unloading position by the conveying means, the height of the shelf is not restricted due to safety at the time of unloading, and the storage capacity of the small articles is greatly increased. Therefore, according to the present invention, it is possible to provide a small article monitor which has a greater storage capacity for small articles, does not require the user to search for small articles, and has high safety when taking out small articles.

According to the fourth aspect of the present invention, since a plurality of small parts are stored in series in one shelf in the carrying direction, the storage capacity of the small articles is increased, and when the same number of small articles are stored. In addition, the arrangement of the shelves can be limited to a height in a range where the safety at the time of taking out the small articles is high, and the storage capacity can be increased by increasing the number of series. Further, by combining with the invention of claim 2 or claim 3, the storage capacity of small articles can be further increased. Therefore, it is possible to provide a stocker unit that has a large storage capacity for small articles and high safety when taking out small articles.

According to the fifth aspect of the present invention, a plurality of small parts are stored in one shelf in parallel in the loading direction.
Similarly to the invention of the above, when the storage capacity of the small articles is increased and the same number of the small articles is stored, the arrangement of the shelves can be limited to a height in a range where the safety at the time of taking out the small articles is high. The storage capacity can also be increased by increasing the number of parallel connections. Further, by combining with the invention of claim 2 or claim 3, the storage capacity of small articles can be further increased. Therefore, it is possible to provide a stocker unit that has a large storage capacity for small articles and high safety when taking out small articles.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the configuration of a small article monitor according to a first embodiment of the present invention;

FIGS. 2A and 2B show the structure of a first embodiment of a stocker unit according to the present invention, wherein FIG. 2A is a front view and FIG.

FIG. 3 shows the structure of a second embodiment of a small article monitor;
(A) is a front view, (b) is a plan view

FIG. 4 shows the structure of a second embodiment of the stocker unit,
(A) is a side view, (b) is a plan view

FIG. 5 shows the structure of a third embodiment of a small article monitor;
(A) is a front view, (b) is a plan view

FIG. 6 is a side view showing the structure of an example of a small article monitor according to the related art.

[Explanation of symbols]

 1, 1a, 1b, 1c, 1d, 1e Monitor unit 11 Radiation detector 12, 12a, 12b, 12c, 12d, 12e Signal processor 13 Card reader 2, 2a, 2b, 2c, 2d, 2e Stocker unit 21 Elevator 22 Elevator elevator 23, 23a, 23c, 23d Shelf 23b Moving shelf 24, 24a Door 24b Sliding door 25 Card reader 26 Sequencer 27 Display 28 Shelf elevating mechanism 29 Shelf tilt adjustment mechanism 3 Small articles 31 Unloadable small articles 4 Measurement dish A Carry in Position B, B1, B2, C1, C2, C1 ', C2', C1 "Unloading position

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification code FI theme coat ゛ (reference) G21C 17/00 G21C 17/00 DF term (reference) 2G075 CA48 DA08 EA01 FA18 FC14 FC15 GA16 2G088 EE07 EE17 FF04 HH07 MM10 3E062 AA20 AB07 AC01 DA02 DA06 EA01 EB01 EC05 3F022 FF01 FF12 FF26 JJ19 LL31 MM08 MM11 MM22 MM27 MM35 MM51

Claims (5)

[Claims] 1. When a small article which is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility is carried out of the control area, the small article uses the radioactive material of the small article. A small article monitor including a monitor unit for inspecting a surface contamination state, and a small article monitor stocker for storing a small article determined to be able to be carried out, wherein each of the monitor unit and the small article monitor stocker includes:
A monitor which reads an ID card for identifying the worker, and a stocker ID card reading means, wherein the small article monitor stocker reads the ID card by the stocker ID card reading means. Display means for displaying the storage position of the small articles of the worker, which is connected to the monitor ID card reading means and the stocker ID card reading means in the monitor section, and is carried in by a signal from the monitor ID card reading means. The surface contamination state of the small articles by the radioactive material is inspected, and the small articles determined to be able to be carried out are stored in the small article monitor stocker, the storage position is recorded, and the small articles are stored by the signal from the stocker ID card reading means. Equipped with a signal processing device for displaying the storage position of small articles of the worker on the display means Small article monitor, characterized in that there. 2. When a small article that is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility is carried out of the control area, the small article is used by the radioactive substance of the small article. A small article monitor including a monitor unit for inspecting a surface contamination state, and a small article monitor stocker for storing a small article determined to be able to be carried out, wherein each of the monitor unit and the small article monitor stocker includes:
A monitor for reading the ID card for identifying the worker; and a stocker ID card reading means. The small article monitor stocker can be moved up and down to adjust the height. The monitor unit is connected to the monitor unit ID card reading means and the stocker unit ID card reading unit, and the surface contamination state of the small article carried in by the signal from the monitor unit ID card reading unit is determined by the radioactive substance. Inspection, the small articles determined to be able to be carried out are stored in the shelf of the small article monitor stocker, the storage position is recorded, and the small articles of the worker in charge are read by the signal from the stocker ID card reading means. A signal processing device that adjusts the height of the stored shelves to the height of the small article carrying position of the small article monitor stocker. Small article monitor, characterized in that it comprises. 3. When a small article that is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility is carried out of the control area, the small article is subjected to the radioactive material. A small article monitor including a monitor unit for inspecting a surface contamination state, and a small article monitor stocker for storing a small article determined to be able to be carried out, wherein each of the monitor unit and the small article monitor stocker includes:
A monitor ID card reading means for reading an ID card for identifying the worker and a stocker ID card reading means, and the small articles which are judged to be able to be carried out by the monitor section to the small article monitoring stocker are provided as small articles. A monitor for transporting the small articles in the monitor, connected to the monitor ID card reading means and the stocker ID card reading means, and driven by a signal from the monitor ID card reading means; The surface contamination state of the substance is inspected, and the small articles determined to be able to be carried out are stored in the small article monitor stocker, the storage position is recorded, and the signal of the worker concerned by the signal from the stocker ID card reading means is recorded. The transporting means transports the small articles to the small article carrying-out position of the small article monitor stocker. Small article monitor, characterized in that it comprises a No. processor. 4. A monitor of a small article monitor for inspecting a surface contamination state of a small article which is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility by a radioactive substance. A small article monitor stocker for receiving and storing small articles judged to be unloadable from a monitor unit, comprising a shelf for storing a plurality of small parts in series in a direction in which the small articles are carried in from the monitor unit. A stocker for monitoring small articles, characterized by the following. 5. A monitor for inspecting a surface contamination state of a small article, such as a tool, which is a hand-held article such as a tool used by a worker working in a radiation control area of a radioactive substance handling facility, with a radioactive substance, and judges that the article can be carried out. A small article monitor stocker for receiving the received small articles from the monitor unit and storing the small articles, comprising a shelf for accommodating a plurality of small parts in parallel in the carrying direction of the small articles from the monitor unit. Stocker for small article monitor.