JP2000355411A - Cargo damage warning method and device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent cargo breakdown by calculating the relationship of a cargo to a warehouse, and warning the effect by seizing the possibility of cargo breakdown by comparing strength information on a prestored cargo with the total weight of respective cargoes exerted on the cargo overlapping on the cargo. SOLUTION: An electronic tag reading processing part 301 reads a cargo information DB 901 to register/renew cargo weight electronic tag reading information. A cargo position judging processing part 302 registers/renews cargo position information to a cargo position DB 402 from an electronic tag reading information DB 401, the electronic tag sticking position relationship of a cargo and a position judging table 404. A weight judging processing part 303 on the cargo registers/renews upper cargo information on an optional cargo on/to an upper cargo DB 403 from the cargo position DB 402. A weight applied to the optional cargo existing in the cargo position DB 402 is calculated from the upper cargo DB 403 to be compared with cargo strength of the cargo position DB 402 to display a cargo damage warning on an image screen output device 20 when exceeding the strength.

Description

DETAILED DESCRIPTION OF THE INVENTION

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for warning of breakage of a package using an electronic tag device which is implemented to prevent the package from being broken particularly in a rectangular parallelepiped package.

2. Description of the Related Art The weight that can be stacked on luggage such as cardboard is a number designed at the time of product planning.
In particular, it is not provided to the cargo person as information, and even if it is provided, it is difficult to perform the work while manually calculating the weight of the overlaid luggage, so the weight of the luggage, the apparent weight The luggage is stacked based on the operator's subjective judgment based on the strength.

In the case where a weight exceeding the weight that can be stacked on the baggage is piled up, it is automatically checked and a warning to that effect is displayed to the cargo handler. Prevent luggage damage without the judge of the cargo handler.

Means for Solving the Problems In a warehouse for storing goods, three electronic tag readers for reading information from the electronic tag device and calculating the distance to the electronic tag device are installed. By reading the luggage information from the electronic tag device in which the vertical dimensions, horizontal dimensions, height dimensions, luggage weight, and luggage strength information of the luggage attached in advance are stored, the luggage to which the electronic tag device is attached is read. Calculates the absolute position with respect to the warehouse, the vertical relationship, how to place the luggage, and the strength (weight that can be overlaid) of the luggage pre-stored in the electronic tag device and the information on the luggage By comparing the total weight of each piece of luggage that has been applied to the piece of luggage, the possibility of breakage of the piece of baggage is grasped, and a warning to that effect is issued to prevent the damage of the piece of luggage.

Embodiments of the present invention will be described below in detail with reference to the drawings. First, an outline of each drawing will be described. FIG. 1 is a system configuration diagram for realizing the luggage breakage warning method. The input device (10), the screen display device (20), the processing device (30), the storage device (40),
Electronic tag reader A, B, C (50), electronic tag A
(60), electronic tag device B (70), electronic tag device H
(80), and the electronic tag devices A (60), B (7
0), a storage device (90) in the electronic tag stored in H (80). Here, the processing device (30) includes an electronic tag reading processing unit (301), a package position determination processing unit (30).
2), has a weight determination processing unit on the package (303), and the storage device (40) includes an electronic tag read information DB (401), a package position DB (402), a higher-order package DB (403), a position determination table (404), and stores in the electronic tag (9
0) has a package information DB (901). FIG. 2 shows FIG.
Each process (301) to the processing device (30) included therein
FIG. 6 is a diagram showing the relationship between (303), the storage device (40), and each DB and table stored in the storage device (90) in the electronic tag. FIG. 3 is a diagram showing a data configuration of each DB and table stored in the storage device (40) and the storage (90) in the electronic tag in FIG. FIG. 4 is an image diagram showing an arrangement relationship in which an electronic tag device is attached and an electronic tag reader is installed for the electronic tag device for realizing the luggage breakage warning method of the present invention. FIG.
FIG. 4 is an image diagram showing an arrangement of an electronic tag device to be attached to a package. FIG. 6 is a diagram showing a flowchart of the entire processing in the processing device (30) in FIG. FIG.
FIG. 7 is a diagram showing a flowchart of processing steps in the electronic tag reading processing unit in step (301) in FIG. FIG. 8 is a diagram showing a flowchart of processing steps in the luggage position determination processing unit in step (302) in FIG. FIG. 9 is a diagram showing a flowchart of the processing steps in the weight determination processing section on the luggage in step (303) in FIG. FIG. 10 is a diagram showing a flowchart of processing steps in detail of a processing unit for extracting a higher-order package that applies weight to the package K in step (30303) in FIG. 9 and writing the extracted package into the higher-order package DB. FIG.
FIG. 1 is a diagram showing a flowchart in the calculation processing unit of the weight Q applied to the baggage K in the weight of the baggage L in step (30306) in FIG. First, Figure 2
The operation of the processing device (30) composed of the processes shown in FIG. 1 will be briefly described with reference to FIG.
Each process of the processing device (30) will be described in detail with reference to FIG. First, the relationship between the processing units (301) to (303) included in the processing device (30) and the storage device (40), the table stored in the storage device (90) in the electronic tag, and the DBs in FIG. This will be described with reference to FIGS. The electronic tag reading processing unit (301) includes electronic tag reading devices A, B, and C.
Using (50), each electronic tag device A (60), B (7
0), a process of reading the package information DB (901) registered in the electronic tag storage device (90) stored in the H (80), and registering and updating the package weight electronic tag read information. (Details will be described later). Baggage position determination processing unit (3
02) registers and updates the package position information in the package position DB (402) from the electronic tag read information DB (401), the positional relationship (FIG. 5) of attaching the electronic tag to the package, and the position determination table (404). This is a process (details will be described later). The weight determination unit (303) on the luggage determines the luggage position D
B (402) registers and updates the upper package information for an arbitrary package in the upper package DB (403), and then hangs from the upper package DB (403) to any package in the package location DB (402). The weight is calculated, compared with the luggage strength (40227) of the luggage position DB (402), and if it exceeds the strength, a luggage damage warning is displayed on the screen output device (20) (details will be described later). . Next, FIG.
Are the electronic tag devices A (60) and B (7) of the present embodiment.
0), a package on which H (80) is stuck, and a warehouse where electronic tag readers A, B, C (50) for reading electronic tag devices A (60), B (70), H (80) are installed. It is. The electronic tag readers A, B, and C (50) are respectively provided in the warehouse with the electronic tag devices (60), B (70), and H
Since it is necessary to form a tetrahedron with the luggage to which (80) is attached, it is attached near the ceiling, which is the upper part of the warehouse. Next, FIG. 5 shows an electronic tag device A (6
It is an image figure showing arrangement of (0), B (70), and C (80). Electronic tag device A (60) and electronic tag device B
(70) is attached to an adjacent vertex on an arbitrary side of the package, and the electronic tag device H (80) is attached to the electronic tag device A (6).
0) is attached to a diagonal vertex of a surface not including the electronic tag device B (70) among the three surfaces including the apexes to which the affixing is applied. Next, FIG. 6 illustrates a flowchart of the entire processing in the present invention, and detailed processing of each flowchart will be described with reference to FIGS. First, a flowchart of the entire processing in the present invention will be described with reference to FIG. Step (30
In 1), each of the electronic tag devices A (60), B (70), H (8) is used by using the electronic tag readers A, B, and C (50).
0), the package information DB (901) registered in the storage device (90) in the electronic tag is read, and the package code column (4010) of the electronic tag read information DB (401) is read.
2), electronic tag attachment position column (40103), luggage weight column (40104), luggage strength column (40105), luggage vertical dimension column (40106), luggage lateral dimension column (40107), luggage height dimension column (40108) The registration and update of the luggage weight electronic tag read information are performed on the electronic tag reader A (60), and the electronic tag reader A (60101) is registered in the electronic tag reader ID (40101).
Register and update each of the electronic tag readers A, B, and C (50) that read B (70) and H (80),
In the distance column (40109), the electronic tag reader ID column (4
This is a process of calculating the distance between the electronic tag reading device registered in the electronic tag reading device registered in the electronic tag attaching position column (40103) and the electronic tag reading device registered in the electronic tag attaching position column (40103), and performing registration and updating (details will be described later). In step (302), the electronic tag reading device ID column (40101) and the electronic tag attaching position column (401) of the electronic tag reading information DB (401)
03), the luggage vertical dimension column (40106), luggage lateral dimension column (40107), luggage height dimension column (40108), and distance column (40109), and the positional relationship of attaching the electronic tag to the luggage (FIG. 5). And position determination table (404)
, The luggage code (4020) is stored in the luggage position DB (402).
Using 1) as a key, the luggage position information is registered and updated in the absolute coordinate columns (40202) to (40225) of the XYZ axes of each vertex (A to H) of the luggage, and the luggage weight (402)
26), a process for registering and updating the luggage strength (40227) (details will be described later). In step (303), for any package in the package location DB (402), all packages weighed by the package are stored in the package code column (40301) of the upper package DB (403).
Registration and update, then the upper package DB (403)
Calculates the weight to be applied to an arbitrary package in the baggage position DB (402), compares it with the baggage intensity (40227) of the baggage position DB (402), and if it exceeds the intensity, the screen output device (20) ) Is a process of displaying a luggage damage warning (details will be described later). Hereinafter, the processing steps (301), (302), and (303) in FIG. 6 will be described in detail with reference to the flowcharts in FIGS.
FIG. 7 is a diagram showing in detail a processing step in the electronic tag reading processing unit of step (301) in FIG. 6 using a flowchart. In step (30101),
The electronic tag reading information DB (401) is initialized. In step (30102), the electronic tag readers A, B, C
Each of (50) is an electronic tag device A (60), an electronic tag device B (70), or an electronic tag device H (8).
0), a luggage code column (90101), a luggage position pasting position column (90102), and a luggage weight column (901) in the luggage information DB (901) of the storage device (90) in the electronic tag stored in the storage device (90).
03), luggage strength column (90104), luggage vertical dimension column (9
0105), a luggage lateral dimension column (90106), and a luggage height dimension column (90107) are read. Step (30
In 103), each of the electronic tag reading devices A, B, and C (50) reads the electronic tag device A (60), B (70), or H (8) read in step (30102).
0) is calculated. In step (30104), the electronic tag reading information DB (401) is displayed in the electronic tag reading device ID column (40101) in the electronic tag reading device (50) A or B that has read the electronic tag device, or C is registered and the luggage code column (4010
2), electronic tag attachment position column (40103), luggage weight column (40104), luggage strength column (40105), luggage vertical dimension column (40106), luggage lateral dimension column (40107), luggage height dimension column (40108) Includes the electronic tag reader A or B or C that has read the electronic tag device.
(50) registers the read luggage information, and the distance column (40109) stores the distance calculated by each of the electronic tag readers A, B, and C (50) that have read the electronic tag device. Do. In step (30105),
It is checked whether each of the electronic tag readers A, B, and C (50) has read all the electronic tag devices A (60), B (70), and C (80), and the reading of all the electronic tag devices is completed. Steps (30102) to (3010)
Repeat 4). By the processing of this step (301), the three electronic tag readers A, B, and C (50) read the three electronic tag apparatuses A (60), B (70), and C (80) so that one luggage is obtained. As a result, 9 records of the electronic tag read information DB (401) are registered. FIG. 8 is a diagram showing in detail, using a flowchart, the processing steps in the baggage position determination processing unit in step (302) in FIG. Step (3020
In 1), information of nine records is selected from the electronic tag reading information DB (401) by using the package code (40102) as a key. In step (30202), the electronic tag reading device ID (40) is read from the electronic tag reading information DB (401) for the luggage selected in step (30201).
101), the electronic tag attachment position (40103), the package vertical dimension (40106), the package horizontal dimension (40107), the package height dimension (40108), and the package information of the distance (40109) are extracted. In step (30203), the absolute coordinates of the electronic tag devices A (60), B (70), and H (80) with respect to the warehouse are determined from the distances from the electronic tag readers A, B, and C (50) to the position determination table ( 404) to perform extraction. In step (30204), step (3020)
The charged electronic tag devices A (60) and B (7) extracted in 3)
0), the absolute position of H (80) and the vertical dimension of the package, the lateral dimension of the package, and the dimension of the package height, the top vertex A as shown in FIG.
The absolute coordinates of the eight vertices of the package of the upper surface vertex B, the upper surface vertex C, the upper surface vertex D, the lower surface vertex E, the lower surface vertex F, the lower surface vertex G, and the lower surface vertex H are calculated (here, the upper surface vertex A, the upper surface vertex B, the absolute coordinates of the lower surface vertex H are the same as the absolute coordinates of the electronic tag devices A (60), B (70), and H (80), respectively. In step (30205), each calculated 8
The absolute coordinates of the vertices A, B, C, D, E, F, G, and H are stored in the luggage position DB (402) as one luggage code (4020).
For 1), the coordinate field of each vertex (40202, 4020)
3, 40204, 40205, 40206, 4020
7, 40208, 40209, 40210, 4021
1, 40212, 40213, 40214, 4021
5, 40216, 40217, 40218, 4021
9, 40220, 40221, 40222, 4022
3, 40224, 40225) and the electronic tag reading information DB (4) using the package code (40201) as a key.
01) to the luggage position DB (402) in the luggage weight (402)
26), the luggage strength (40227) is registered. In step (30206), it is confirmed whether or not all the processes of the electronic tag read information DB have been performed, and steps (30201) to (30205) are repeated until all the data is completed.
FIG. 9 is a diagram showing in detail using a flowchart of the processing steps in the weight determination processing section on the luggage in step (303) in FIG. Step (30301)
Then, one piece of baggage data is selected from the baggage position DB (402), and the selected baggage is used as a baggage K using variables. Also, the luggage strength (4
0227) is extracted. In step (30302), the upper package DB (403) is initialized. In step (30303), all the higher-order packages that are multiplied by the weight of the package K are extracted and written in the higher-order package DB (403) (details will be described later). In step (30304), the total weight P of the upper-ranked luggage multiplied by the luggage K is initialized (P = 0). In step (30305), one luggage written in the upper luggage DB (403) is selected, and the selected luggage is set as luggage L using a variable. In step (30306), the weight of the load L applied to the load K is set as a variable Q, and Q is calculated (details will be described later). In step (30307), P = P + Q is performed. In step (30308), the upper-level package DB (4
03) whether all data has been processed and steps (30305) to (30305) until all data is completed.
(30307) is repeated. In step (30309), it is confirmed whether or not the total weight P exceeds the baggage strength for the baggage K extracted in step (30301). If it does, the process proceeds to step (30310). 30311).
In step (30310), a luggage breakage warning is output to the display device (20). In step (30311),
It is confirmed whether all the data in the baggage position DB (402) has been processed, and steps (30303) to (30310) are repeated until all the data is completed. FIG.
FIG. 10 is a diagram showing in detail using a flowchart of a processing step in which a processing unit for extracting a higher-order baggage that weighs the baggage K in step (30303) in FIG. . Step (3030
In 301), the initial value of the number-of-stages variable n of the luggage in the upper stage of the package K is set to 1 (here, the luggage in the upper stage of the luggage K becomes the luggage with the stage number variable n = 1). Step (303
0302), the baggage Kn (package position DB (40)
The luggage code (40201)) in 2) is extracted. That is, as shown in FIG. 5, the top apex A (X coordinate (40202), Y coordinate (40203), Z coordinate (40
204)), upper surface vertex B (X coordinate (40205), Y coordinate (40206), Z coordinate (40207)), upper surface vertex C (X coordinate (40208), Y coordinate (40209), Z
Coordinate (40210)), top vertex D (X coordinate (4021)
1), Y coordinate (40212), Z coordinate (40213))
In the XYZ coordinate system, the package Kn has a bottom surface vertex E (X coordinate (4021
4), Y coordinate (40215), Z coordinate (4021)
6)), bottom vertex F (X coordinate (40217), Y coordinate (40218), X coordinate (40219)), bottom vertex G
(X coordinate (40220), Y coordinate (40221), Z coordinate (40222)), bottom vertex H (X coordinate (4022)
3), Y coordinate (40224), Z coordinate (40225))
The square on the bottom of the is a package with common coordinates.
In step (3030303), it is checked whether or not the package Kn has been extracted.
Subsequent to the processing of step 304), if not extracted, the processing of step (30303) ends. Step (3030
In 304), all the extracted packages Kn of the stage number variable n are stored in the package code column (4030) of the higher-level package DB (403).
Register in 1). In step (3030305), it is confirmed whether there is a package Kn without a selected flag among the packages Kn registered in the upper-level package DB (403). If there is a package Kn, the process proceeds to step (3030306). If there is no baggage Kn, step (303031)
0). In step (3030306),
The selection flag column (4
0302), the selected flag is registered. Step (3
In 030307), a package that is in the upper stage of the package Kn and that comes into contact with the upper surface of the package Kn is extracted. That is, by performing the same processing as in step (3030302),
A package that comes into contact with the upper surface of the package Kn is extracted. In step (3030308), it is checked whether the package has been extracted. If the package has been extracted, the process follows step (3030309). If not extracted, the process proceeds to step (3030).
Subsequent to the processing of 305). In step (3030309), stage number variable n = stage number variable n + 1 is performed. Step (3
In step 030310), the stage number variable n = the stage number variable n−1 is performed. In step (3030311), the stage number variable n = 0
And if n = 0, step (30303)
Is completed, and if n = 0 is not satisfied, step (303)
0305). FIG. 11 is a diagram showing the weight Q applied to the baggage K in the weight of the baggage L in step (30306) in FIG. 9 in detail using a flowchart in the calculation processing unit. Step (30306)
01), the luggage weight of the luggage L is stored in the luggage position DB (40).
From 2), the luggage code (40201) is extracted to the luggage L as a key and is set as R. In step (3030602), initialization is performed with the weight applied to the baggage K as a variable Q (Q = 0). In step (3030603), the selection flag column (40302) of the high-order package DB (403) is initialized. In step (3030604), the initial value of the stage number variable m of the baggage at the bottom of the baggage L is set to 1 (here, the baggage one stage below the baggage L becomes the baggage with the stage number variable n = 1). In step (3030605), the package L
The luggage at the bottom of the luggage Lm that contacts the bottom of the luggage L
Is extracted. That is, the bottom apex E of the package L (X coordinate (40214), Y coordinate (40215), Z coordinate (40
216)), bottom vertex F (X coordinate (40217), Y coordinate (40218), X coordinate (40219)), bottom vertex G (X coordinate (40220), Y coordinate (40221), Z
Coordinates (40222)), bottom vertex H (X coordinate (4022)
3), Y coordinate (40224), Z coordinate (40225))
In the XYZ coordinate system, the baggage Lm is a top surface vertex A (X coordinate (4020
2), Y coordinate (40203), Z coordinate (4020)
4)), upper surface vertex B (X coordinate (40205), Y coordinate (40206), Z coordinate (40207)), upper surface vertex C
(X coordinate (40208), Y coordinate (40209), Z coordinate (40210)), top vertex D (X coordinate (4021)
1), Y coordinate (40212), Z coordinate (40213))
The square on the bottom of the is a package with common coordinates.
In step (3030606), the weight R is apportioned to each load Lm at a contact area ratio from the contact area of each load Lm in contact with the load L. That is,

In step (3030607), it is checked whether the contacted package Lm is package K, that is, whether the package code is equal or not. If the package code of package Lm is equal to package code of K, the process of step (3030608) is performed. If the luggage code of the luggage Lm is not equal to the luggage code of the luggage K, the process proceeds to step (3030609). Step (303
In step 0608), the assumed weight of the baggage K is set as a variable Q.
In step (3030609), of the package Lm, the selection flag field (4
In step 0302), it is checked whether there is baggage data without the selected flag. If there is baggage data without the selected flag, the process proceeds to step (3030610). If there is no baggage data without the selected flag, step (303) is performed.
0616). Step (3030610)
Then, the selected flag is written in the selection flag column (40302) in the package data of the upper package DB (403). In step (3030611), a package that is in contact with the bottom surface of the package Lm is extracted from the packages at the lower stage of the package Lm. In other words, by performing the same processing as in step (3030604), a package that comes into contact with the bottom surface of the package Lm is extracted.
In step (3030612), step (3030)
611) The deemed weight is apportioned by the contact area ratio from the contact area with each piece of luggage extracted in the processing, and the apportioned weight is regarded as the undiscovered weight. That is, the deemed weight is calculated by performing the same processing as in step (3030606). In step (3030613), it is confirmed whether the baggage code of the baggage K extracted in step (3030611) is equal to the baggage code. If the baggage K and the baggage code are equal, step (3030615) is performed.
If the baggage K and the baggage code are not equal to each other, the process proceeds to step (3030614). Step (3
In 030614), the stage number variable m = the stage number variable m + 1 is performed. In step (3030615), Q = Q + package K
Do the assumed weight. In step (3030616), the stage number variable m = the stage number variable m−1 is performed. Step (3
In step (030617), it is checked whether the stage number variable m = 0. If the stage number variable m = 0, the process of step (30306) is ended. If the stage number variable m is not 0, step (303) is executed.
0609). Further, in the above-described embodiment, the electronic tag reader for calculating the distance to the electronic tag device is installed in the warehouse as shown in FIG. 4, but it is also possible to install the electronic tag reader on the truck.

According to the present invention, regardless of how to place the luggage in the case of a rectangular parallelepiped, when a luggage that exceeds the weight that can be piled on the luggage is automatically checked,
By displaying a warning to that effect to the cargo handler, there is an effect that it is possible to prevent the baggage from being damaged without any particular judgment by the cargo handler. Further, this luggage damage prevention warning method enables the luggage damage prevention in the vehicle by installing the same electronic tag reader in the vehicle as well as in the warehouse.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram according to the present invention.

FIG. 2 is an overall flowchart of a processing device 30 in FIG. 1 according to the present invention.

3 is a diagram showing a data configuration of a DB and a table stored in a storage device (40) and a storage device (90) in an electronic tag in FIG. 1;

FIG. 4 is a diagram showing an image of an electronic tag reader installed in a warehouse according to the present invention.

FIG. 5 is a diagram showing an arrangement of electronic tags to be attached to luggage according to the present invention.

FIG. 6 is an overall flowchart of the processing device 30 in FIG. 1 according to the present invention.

FIG. 7 is a flowchart of processing 301 (electronic tag reading processing unit) in FIG. 6 according to the present invention.

FIG. 8 is a flowchart of processing 302 (package position determination processing unit) in FIG. 6 according to the present invention.

FIG. 9 is a flowchart of a process 303 (a weight determining unit on luggage) in FIG. 6 according to the present invention.

FIG. 10 is a flowchart of the process 30303 (the process of extracting a higher-order package having a weight applied to the package K and writing the same in the higher-order package DB) in FIG. 9 according to the present invention.

11 is a flowchart of a process 30306 (a process of calculating a weight Q applied to the load K in the weight of the load L) in FIG. 9 in the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 10 ... Input device, 20 ... Screen output device, 30 ... Processing device, 301 ... Electronic tag reading processing unit, 302 ... Package position determination processing unit, 303 ... Weight determination processing unit on package, 40
... Storage device, 401 ... Electronic tag read information DB, 402 ...
Luggage position DB, 403: High-order luggage DB, 404: Position determination table, 50: Electronic tag reader, 60: Electronic tag device A, 70: Electronic tag device B, 80: Electronic tag device C, 90: Storage in electronic tag Apparatus, 901 ... Package information D
B.

Claims (2)

[Claims] 1. In a warehouse for storing goods, three electronic tag readers for reading information from the electronic tag device and calculating a distance to the electronic tag device are installed, and pasted by the reader in advance. Length, width,
By reading the luggage information from the electronic tag device in which the height dimensions, luggage weight, and luggage strength information are stored, the absolute position of the luggage to which the electronic tag device is attached with respect to the warehouse is calculated, and based on the calculation result. Calculate the vertical relationship of the luggage, how to place the luggage, and the strength of the luggage (weight that can be stacked on top) information stored in advance in the electronic tag device,
A luggage breakage warning method characterized by comparing the total weight of each luggage on top of the luggage with respect to the luggage, grasping the possibility of breakage of the luggage, and issuing a warning to that effect. 2. An electronic tag reading device for reading information from an electronic tag device and calculating a distance to the electronic tag device is installed in a warehouse for storing goods, and pasted by the reading device in advance. Length, width,
By reading the luggage information from the electronic tag device in which the height dimensions, luggage weight, and luggage strength information are stored, the absolute position of the luggage to which the electronic tag device is attached with respect to the warehouse is calculated, and based on the calculation result. Calculate the vertical relationship of the luggage, how to place the luggage, and the strength of the luggage (weight that can be stacked on top) information stored in advance in the electronic tag device,
A baggage damage prevention device characterized by comparing the total weight of each baggage on the baggage with the baggage to determine the possibility of the baggage being damaged and giving a warning to that effect.