KR102241049B1 - System of Railroad Maintenance Management - Google Patents

Abstract

The present invention relates to a railway vehicle parts inspection system to which a UHF band RFID multi-recognition method is applied. More particularly, the present invention relates to a railway vehicle parts inspection system using a UHF band RFID multi-recognition method, which attaches a tag to parts of a railway vehicle, inputs various information about the parts to the attached tag, and manages the railway vehicle based on the information input in the tag during maintenance, thereby allowing easy management of parts and easily determining the parts replacement cycle.

Description

Railway vehicle parts inspection system applying UHF band RFID multi-recognition method{System of Railroad Maintenance Management}

The present invention relates to a railroad vehicle parts inspection system to which the UHF band RFID multi-recognition method is applied, and in more detail, a tag is attached to a part of a railroad vehicle and various information about the part is input to the attached tag when maintenance of a railroad vehicle It relates to a railway vehicle parts inspection system applying UHF band RFID multi-recognition method that not only facilitates parts management by managing based on the information entered in tags, but also makes it possible to easily determine the parts replacement cycle.

In general, a railroad car uses a fixed position on a certain rail and is used as a means of transportation that accommodates and moves a large number of people, or is used as a means for transporting a large amount of materials at once.

Such a railroad vehicle is made of heavy objects and causes friction or aging on many accessories such as wheels during operation, so periodic management is essential.

In other words, in the conventional case, the management system of a railroad vehicle operating institution writes information on a button memory method or an identification tag, and the inspector frequently inspects it, records it in a work form by hand, and inputs it into a computer.

However, in the case of such a conventional technology, the network between the head office and the base office is well established, but in the field that is in charge of actual vehicle maintenance, the work related to vehicle management is handled by hand and is also dependent on various document books. There was a problem that inefficiency of work was caused not only by wasting of waste, but also due to many unreasonable points such as an increase in spare vehicles, frequent changes in inspection plans, and possibility of errors in work.

In addition, it is difficult to grasp the inspection history of vehicle parts when the actual vehicle is put into the base.

As a related technology, a system and method for retrieving product information using radio frequency identification technology of Korean Patent Publication No. 10-2008-0020252 (prior art 1) and Rfid electronic tag of Korean Patent Application Publication No. 10-2005-0113323 are used. Facility, equipment and its parts history management system (priority technology 2), product history management service method and system using the identification tag of Patent Publication No. 10-0744190, product history information input/output device (priority technology 3), and a public patent The Rfid/usn-based facility management system (prior art 4) in Publication No. 10-2004-0108623 is described.

Prior Art 1 relates to a system and method for retrieving product information confirmation results using radio frequency identification technology, wherein an object history service server provides identification information of a customer's mobile communication terminal from a POS system and an RFID tag mounted on the product purchased by the customer. A purchase history information registration process of receiving the RFID code stored in the device and registering history information on the purchase of the product; An RFID reader equipped in a mobile communication terminal owned by another customer reads the RFID code and requests and receives the URL address of the object information service server in which the information on the item is stored to the object search service server through the broker. Registering the history of checking the information on the product by the other customer in the object information service server, and providing the information on the product to the other customer by accessing the URL address of the object information service server. Verification process; When the RFID code of the product to be searched is input from the connected customer to inquire how many people have checked the information on the product they have purchased, the product information check result inquiry server interlocks with the object history service server to remind the user. After the goods corresponding to the RFID code are sold, it is preferable to include a process of checking the number of customers who have checked the information on the goods and checking the result of product information provided to the customer.

Prior art 2 is able to efficiently manage facilities, equipment and parts by attaching RFID electronic tags that can record or send inspection history to various facilities, equipment and parts of the equipment located at a distance or short distance from the manager. Regarding the facility, equipment and its parts history management system using an RFID electronic tag, which is installed on the equipment or facility and its parts, each management history information is recorded wirelessly, and the recorded management history information is wirelessly outputted. An electronic tag; A mobile terminal having a built-in RF converter, receiving management history information from the RFID electronic tag, receiving and recording management history information to be recorded in the RFID electronic tag, and transmitting the recorded management history information; An operator computer that transmits an equipment inspection command to the mobile terminal or receives and analyzes management history information therefrom; An operator computer that transmits an inspection command to any one of equipment, equipment, and parts thereof to the mobile terminal and analyzes management history information received according to the transmitted inspection command; It provides a facility, equipment and parts history management system using an RFID electronic tag, characterized in that it includes a host server for transmitting and receiving and storing management history information from the operator computer or mobile terminal.

Prior Art 3 relates to a product history management service method and system using an identification tag, a product history information input/output device, and more specifically, a product history management service to producers and consumers using identification tags such as barcode tags and RFID tags. It relates to a product history management service method and system using an identification tag that can be provided, and a product history information input/output device.

Prior art 4 relates to an application technology that uses a wireless identification tag (RFID) and a ubiquitous sensor network (USN) for maintenance and condition monitoring of facilities, and management of facilities by attaching RFID to facilities. It provides an improved method for facility management by easily updating and referencing history information, grasping the status information of facilities from remote locations through USN-based communication, and controlling adjustments.

In order to implement the above functions, Prior Art 4, an RFID Transponder attached to a facility to be managed, a transceiver for reading and writing information on an RFID tag, a server for integrated management of data held by each RFID, a facility management application program and It is composed of a network.

Unexamined Patent Publication No. 10-2008-0020252 (2008.03.05.) Unexamined Patent Publication No. 10-2005-0113323 (2005.12.02.) Registered Patent Publication No. 10-0744190 (2007.08.01. Announcement) Unexamined Patent Publication No. 10-2004-0108623 (2004.12.24.)

The present invention was conceived to solve the above problems, and by attaching a tag to a part of a railroad vehicle of the present invention and inputting various information about the part to the attached tag, It is to provide a railway vehicle parts inspection system that applies the UHF band RFID multi-recognition method using the UHF band RFID method that not only facilitates parts management by managing based on the basis of management, but also makes it possible to easily determine the parts replacement cycle.

The present invention has the following configuration in order to achieve the above object.

A railroad vehicle parts inspection system to which the UHF band RFID multi-recognition method using the UHF band RFID method of the present invention is applied includes: a tag attached to a part of a railroad vehicle and information on the part is input; A reader that transmits/receives to and from the tag by a specific frequency; And a central processing unit for storing the information collected through the reader.

In addition, the reader communicates with the central processing unit using wireless Internet, the reader further has a wheel scanner function, and the reader has data processing that checks and manages the status of parts through information collected through the reader. To be equipped with.

And the data processing unit is a host module in charge of communication with an external host, a transmission module that transmits an encoded signal, a receiving module that receives a signal from a tag, a command frame module that constructs and transmits a command frame to be transmitted to the tag, It is composed of an interlep unit that adjusts the signal time, and the tag is Radio Frequency Identification (RFID).

In addition, the tag and reader communicate in the UHF band frequency range, and when the tag is attached to a railroad vehicle, a natural frequency is assigned to each, so that the data processing unit can check and manage only necessary information among the information transmitted from the tag. To be.

According to the present invention, a tag is attached to a part of a railroad vehicle, and various information about the part is input to the attached tag, and management is based on the information entered in the tag during maintenance of the railroad vehicle, thereby facilitating parts management as well as part replacement. It has the effect of making it easy to judge the cycle.

In addition, a collective network network is established between the railway inspection site and the integrated information management system, so that the inspection data for parts at the site is wirelessly transmitted to the integrated information management system and managed as D/B in the server, thereby meeting the annual demand for railway-related parts. There is an expected effect of maximizing the efficiency of railroad maintenance by improving the productivity of railroad inspection through the smooth supply and demand of parts by making accurate predictions.

1 is a schematic diagram showing a railway vehicle parts inspection system to which the UHF band RFID multiple recognition method using the UHF band RFID method according to the present invention is applied.
2 is a block diagram showing the configuration of a data processing unit in a railway vehicle parts inspection system to which a UHF band RFID multiple recognition method using a UHF band RFID method according to the present invention is applied.
2A is a block diagram showing the configuration of a data processing unit in a railway vehicle part inspection system to which a UHF band RFID multiple recognition method using a UHF band RFID method according to another embodiment of the present invention is applied.
3 is a block diagram showing a data processing process in a data processing unit in a railway vehicle parts inspection system to which a UHF band RFID multiple recognition method using a UHF band RFID method according to the present invention is applied.

Terms or words used in this specification and claims should not be construed as being limited to their usual or dictionary meanings, and that the inventor can appropriately define the concept of terms in order to describe his own invention in the best way. Based on the principle, it should be interpreted as a meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are only the most preferred embodiments of the present invention, and do not represent all the technical ideas of the present invention, and various equivalents that can replace them at the time of application It should be understood that there may be variations and variations.

Hereinafter, prior to description with reference to the drawings, matters that are not necessary to reveal the gist of the present invention, that is, known configurations that can be obviously added by those skilled in the art are not shown or specifically described. Make the note clear.

The present invention relates to a railway vehicle parts inspection system to which the UHF band RFID multi-recognition method is applied, and more particularly, a tag is attached to a component of a railway vehicle, and various information on the component is input to the attached tag to provide maintenance of a railway vehicle It relates to a railway vehicle parts inspection system applying UHF band RFID multi-recognition method that not only facilitates parts management by managing based on information inputted into tags, but also enables easy determination of parts replacement cycle.

According to the present invention, the railway vehicle parts inspection system to which the UHF band RFID multi-recognition method using the UHF band RFID method is applied includes: a tag attached to a part of a railroad vehicle and information on the part is input; A reader that transmits/receives to and from the tag by a specific frequency; And a central processing unit for storing the information collected through the reader.

In addition, the reader communicates with the central processing unit using wireless Internet, the reader further has a wheel scanner function, and the reader has data processing that checks and manages the status of parts through information collected through the reader. To be equipped with.

And the data processing unit is a host module in charge of communication with an external host, a transmission module that transmits an encoded signal, a receiving module that receives a signal from a tag, a command frame module that constructs and transmits a command frame to be transmitted to the tag, It is composed of an interlep unit that adjusts the signal time, and the tag is Radio Frequency Identification (RFID).

In addition, the tag and reader communicate in the UHF band frequency range, and when the tag is attached to a railroad vehicle, a natural frequency is assigned to each, so that the data processing unit can check and manage only necessary information among the information transmitted from the tag. To be.

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

As shown in FIG. 1, the railway vehicle parts inspection system to which the UHF band RFID multi-recognition method is applied includes a tag 10, a reader 20, a central processing unit 40, and a client 50.

The tag 10 is a component that allows information to be collected only by recognizing the tag by inputting necessary information on a small electronic chip, and the tag 10 is preferably made of a Radio Frequency Identification (RFID). This is because the RFID not only stores and stores predetermined data inside the chip, but also has a function to modify the stored data.

That is, on the tag 10, information (applied vehicle type, vehicle number, major inspection data, inspection date, etc.) is input to have a natural frequency and attached to the part so that each part can be managed at any time. will be.

The reader 20 is equipped with an antenna as a means for collecting information from the tag, so that it receives data from the tag by transmitting and receiving the natural frequency given by the tag, and transmitting the received data again to be stored in the tag. In addition, through the collected data, the information contained in the tag can be managed, modified, and transmitted back to the tag.

At this time, the reader 20 communicates with the tag 10 through a UHF band frequency, and the UHF band frequency is a common name for a certain share on the electromagnetic spectrum, and an electromagnetic wave of a wavelength of 0.1 to 1 m and a frequency of 300 to 3,000 MHz. As a frequency band capable of collecting a lot of data within a short distance by using, preferably, a frequency band of 900 MHz is used.

That is, a tag whose UHF band frequency emitted from the reader is within a certain range of the reader reacts by the UHF band frequency, and the reader collects all information on the reacting tag. At this time, since the reader is equipped with a wheel scanner function, it is possible to collect scan information about the wheel at the same time.

In addition, the reader 20 is provided with a data processing unit 30, the data processing unit 30, as shown in Figure 2, the host module 31 in charge of communication with an external host, the encoded signal. To the transmitting module 32 to transmit, the receiving module 33 to receive a signal from the tag, the command frame module 34 to construct and transmit the command frame to be transmitted to the tag, and the interreplacing unit 35 to adjust the signal time. It is configured, and a program that displays the information collected by the reader and allows only the filled information to be checked and managed is built-in, and a PDA terminal capable of using the wireless Internet is preferable.

That is, when the reader 20 emits a specific frequency, the tags attached to the parts located close to the reader react to collect information through the reader, and only the information to be managed among the collected information is filtered to access the wireless Internet. Through this, it is sent to the central processing unit so that it can quickly respond to parts that need to be inspected or replaced.

For example, as shown in Fig. 2 or 3, if the data processing unit 30 executes the host command analysis (S10) in order to collect only the information to be used, the tag ID search command (S11) is present or not. Is checked, and a tag ID search signal is transmitted (S12) through the reader. Then, after checking the presence or absence of the tag response reception (S13) within the time limit, the tag ID signal step emitted from the tag is passed (S14). In addition, the tag ID collection step (S15), which collects all the data information of the parts located on the main surface of the reader, is performed, and the collision avoidance step (S16) is performed to check the presence or absence of a collision in order to collect only necessary information among the collected tag IDs. And, the collision avoidance is performed step (S18).

In this process, only the tag information that the operator wants to use is collected, and through this, unnecessary information is removed or passed.

And if the frequency of the collected information exceeds the residence time (S17), it moves to the tag ID search command (S11) and collects the information from the part again, and the information processed by the data processing unit 30 is transmitted to the execution result (S19). After passing through, it is transmitted to the central processing unit 40 to be stored and managed.

The central processing unit 40 serves as a server to store and manage the data transmitted from the data processing unit 30, and the user manages the stored data and, if necessary, connects the client 50 to the LAN to perform replacement work on the client side. Or, by issuing a parts procurement order, it is possible to quickly supply and receive the necessary parts.

The present invention collects location and necessary data using a reader using a tag into which data on a part of a railroad vehicle is input, and records the collected data in a tag through an inspection or data correction process in the data processing unit, or the collected data is stored in the central processing unit. It can be transferred to and stored and managed, and the central processing unit can easily and quickly inspect and manage the management of railway vehicle parts by transmitting a work or parts procurement command to the client based on the stored data.

The present invention is not limited by the above-described embodiments, and various modifications and changes can be made by those skilled in the art, which are included in the spirit and scope of the present invention as defined in the appended claims.

Meanwhile, depending on the design conditions, the data processing unit 30 provided in the reader 20 may be configured to be installed inside and outside the reader 20 in a detachable manner.

The data processing unit 30 is implemented as a physical device (chip, etc.) by a technician with ordinary expertise, and is connected to the reader 20 through installation such as installing outside or inserting the reader 20 inside. If the data processing unit 30 is capable of performing the functions described in the present specification, it may be implemented in any manner.

In addition, the reader 20 is configured such that a backup unit is interpolated.

Although not shown in the drawing, the backup unit includes an information receiving module for receiving information from the data processing unit 30; A new device identification module for determining that the new data processing unit 30 is connected to the reader 20 based on the unique identification information of the data processing unit 30; When it is determined that the new data processing unit 30 is connected to the reader 20 through the new device identification module, the information received from the existing data processing unit 30 is transferred to the new data processing unit 30 through the information receiving module. An information providing unit provided with; And an initialization unit that initializes the information stored in the backup unit when information is shared with the new data processing unit 30 through the information providing unit.

At this time, it may further include a storage module for storing the information received through the information receiving module.

That is, to prepare for a case in which the replacement operation is performed due to a failure or error of the data processing unit 30.

Further, the data processing unit 30 includes a non-transmission classification module 36 for classifying untransmitted information that has not been transmitted to the central processing unit 40 through the data processing unit 30, as shown in FIG. 2A of the accompanying drawings; A time information application module 37 for applying time information in which a tag ID, which is a basis of information, is collected based on a Real Time Clock (RTC) to the untransmitted information classified through the untransmitted classification module 36; And an interlocking module 38 for sharing untransmitted information to which time information is applied by the time information application module 37 to a backup unit.

At this time, as described above, the backup unit functions to provide the stored information to the new data processing unit 30 when a new installation of the data processing unit 30 is identified, and the interlocking module 38 is provided by the backup unit. It also performs the function of receiving information.

The data processing unit 30 receiving the information through the interlocking module 38 further includes a provision information transmission module 39 for transmitting untransmitted information to which the time information is applied to the central processing unit 40 and the client 50; The information that could not be transmitted due to an error or failure of the data processing unit 30 can be transmitted to the central processing unit 40 through the provided information transmission module 39 to prevent data loss, and the central processing unit 40 ) Or the accurate information analysis of the client 50 is possible.

At this time, the function of the provided information transmission module 39 may be performed by the transmission module 32, but the data processing unit 30 is newly installed and transmits the information collected from the transmitted tag ID to the central processing unit 40. This is to prevent an error from occurring due to transmission collision, and to enable the central processing unit 40 to more efficiently determine the priority of information reception when receiving information.

On the other hand, in order for the data processing unit 30 to distinguish the untransmitted information that has not been transmitted to the central processing unit 40, when transmitting the information to the central processing unit 40 in the performance result transmission step (S19) described with reference to FIG. 3, The central processing unit 40 transmits a response signal for receiving the transmission information to the data processing unit 30, and makes the host module 31 of the data processing unit 30 function to identify this. Alternatively, it may function in the transmission module 32 or the reception module 33.

It is obvious that what has been described with reference to the accompanying drawings in the above is only the main matters of the present invention, and is not limited to the configuration of the accompanying drawings of the present invention as various designs are possible within the technical scope.

10: tag 20: reader
30: data processing unit 40: central processing unit
50: client

Claims (6)

A tag attached to a part of a railroad vehicle and into which information on the part is input;
A reader that transmits/receives to and from the tag by a specific frequency;
A central processing unit for storing information collected through the reader; And
The reader is provided with a data processing unit that checks and manages the state of the part through the information collected through the reader,
The reader is provided with a backup unit,
(a) The backup unit functions to provide the stored information to the new data processing unit when a new installation of the data processing unit is identified,
An information receiving module for receiving information from the data processing unit;
A new device identification module for determining that a new data processing unit is connected to a reader based on the unique identification information of the data processing unit;
An information providing unit that, when it is determined that the new data processing unit is connected to the reader through the new device identification module, provides information received from the existing data processing unit through the information receiving module to the new data processing unit;
An initialization unit for initializing information stored in a backup unit when information is shared with a new data processing unit through the information providing unit;
Including; a storage module for storing the information received through the information receiving module,
(b) the data processing unit,
A host module responsible for communication with an external host;
A transmission module for transmitting the encoded signal;
A receiving module for receiving a signal from the tag;
A command frame module for constructing and transmitting a command frame to be transmitted to a tag;
Interpret unit for adjusting the signal time; Consisting of the collected data, the data processing unit inspects or corrects the data, records it in the tag, or transmits the collected data to the central processing unit so that it can be stored and managed,
A non-transmission classification module for classifying untransmitted information that has not been transmitted to the central processing unit through the data processing unit;
A time information application module for applying time information in which a tag ID, which is a basis of information, is collected based on a Real Time Clock (RTC) to the untransmitted information classified through the untransmitted classification module;
An interlocking module that shares untransmitted information to which time information is applied by the time information application module to a backup unit and receives information provided by the backup unit;
A railroad vehicle to which the UHF band RFID multi-recognition method is applied, characterized in that it further comprises a provision information transmission module that transmits the information received through the interlocking module to the central processing unit and the client as untransmitted information to which time information is applied Parts inspection system.
The method according to claim 1,
The reader is a railway vehicle parts inspection system to which the UHF band RFID multi-recognition method is applied, characterized in that the reader communicates with the central processing unit using wireless Internet.
The method according to claim 2,
The reader is characterized in that to further include a wheel scanner function, the railway vehicle parts inspection system to which the UHF band RFID multi-recognition method is applied.
The method according to claim 1,
The tag is an RF ID (Radio Frequency IDentification), characterized in that, the railway vehicle parts inspection system to which the UHF band RFID multi-recognition method is applied.
The method according to claim 1,
The tag and reader, characterized in that to communicate in the UHF band frequency range, UHF band RFID multi-recognition system applied railway vehicle parts inspection system.
The method of claim 5,
When the tag is attached to a railroad vehicle, a unique frequency is assigned to each, so that the data processing unit can check and manage only necessary information among the information transmitted from the tag. Vehicle parts inspection system.

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