KR100818121B1 - Rail Temperature Detection Apparatus - Google Patents

Abstract

Disclosed is a rail temperature detecting device for detecting a temperature of a rail so that a train can perform safe driving by detecting a temperature change of a rail.

An adjustment member 220 formed of a spiral bar 222 having a second catching groove 221 which surrounds a lower side of the rail 100 on one side and a spiral 223 formed on the other side thereof; And a first locking groove 235 is formed to form a rectangular body portion 231 supported by the bottom of the rail 100 and to support the lower one side of the rail 100 toward an upper side of the body portion 231. The spiral rod 222 penetrates and is inserted into the insertion hole 232 through the body part 231, and the one end of the temperature sensing part 240 is disposed above the body part 231. Clamp 210 made of a fixed body 230 made of a bracket 233 for rotatably fixing; Installed and connected to the clamp 210, including a temperature detector 200 consisting of a temperature sensing unit 240 for contacting the bottom of one side of the rail 100 to sense the temperature of the rail 100, railroad Provided is a rail temperature detecting apparatus for allowing a train approaching a dangerous section in which a rail deformation may occur due to a temperature change of the rail, to recognize the dangerous information in advance and to perform a safer train operation.

Rail, Temperature Detector, Field Control Board, PLC

Description

Rail Temperature Detection Apparatus

1 is an explanatory diagram of a conventional rail temperature detection device,

2 is a perspective view of a temperature detector according to the present invention;

3 is an exploded perspective view of a temperature detector according to the present invention;

4a to 4c are cross-sectional views showing the assembly process of the temperature detector according to the present invention,

5a to 5c are cross-sectional views showing a state in which the temperature sensing unit of the present invention is deformed,

Figure 6a is a cross-sectional view of the rail temperature detection device of the present invention installed on the site,

6B is an explanatory diagram of a rail temperature detection device according to the present invention.

Explanation of symbols on the main parts of the drawings

100: rail 200: temperature detector 210: clamp

211: washer 212: nut 213: reamer bolt 214: reamer nut 215: tightening bolt

220: adjusting member 221: second locking groove 222: spiral bar 223: spiral

230: stationary body 231: body portion 232: insertion hole 233: bracket

234: fastener 235: first locking groove

240: temperature sensing unit 241: heat transfer member 242: temperature display element 243: protective cap

244: fixing pin 245: communication line 247: support 248: damper 249: connector

300: field control panel 310: communication unit 312: input unit

320: communication converter 321: Ethernet module 322: optical signal converter

330: power supply unit 331: automatic voltage regulator 332: arrester

400: jurisdiction signal machine room 500: integrated train command room 600: train

T1: Downward T2: Upward

The present invention relates to a rail temperature detecting apparatus for providing a safe driving information to a train by mounting a temperature sensor on the rail and detecting a temperature change of the rail.

The temperature information of the rails detected by the temperature detector of the temperature detector, which is fixed to the rail for each section by the clamp, is fixed to the rail for each section, is connected to the clamp, and is mounted to the rail and detects the temperature change of the rail. It is related to the rail temperature detection device which transmits to the field control panel of the system, and transmits the transmitted temperature information through technical steps and compares it with the rail temperature request information to provide a corresponding alarm to the train and the corresponding signal machine room.

In general, most railway rails have a seasonal change, such as natural phenomena, which expand during the hot summer months and severely shrink during the cold winter months. The temperature that deforms these railway rails is the most influential factor among many factors necessary for the safe operation of trains.

Therefore, in order to measure the temperature of the rail, the measurer takes the temperature sensor to the rail installation site, navigates between trains, and measures the temperature of the rail, and reports the measurement result verbally to the driving command or the like. The operating command is to estimate the temperature distribution and deformation of the rail and to alarm based on the reported temperature data.

Korean Patent Publication No. 10-0174771 shows a conventional rail temperature detecting device.

1 is a diagram illustrating a conventional rail temperature detecting device. Referring to FIG. 1, a rail temperature detecting device includes a global positioning system (GPS) receiver 7, an autonomous navigation device 6, and an infrared image. The temperature sensor 5, the processor 8, and the train radio 9 are mounted on the train 2, the control console 10 is installed in the driver's command unit 3, and the GPS satellites 4 are launched from above. Consists of.

The position of sensing the temperature of the rail 1 by the communication between the GPS satellite 4 and the GPS receiver 7 and the autonomous navigation device 6 is detected, and the infrared image temperature sensor 5 makes no contact with the rail 1. The detected infrared image information is inputted, and the processor 8 outputs the position information synchronized with the infrared image information together with the infrared image information and the alarm information, and wirelessly transmits it to the driving command unit 3 and the like. The received information displays the temperature distribution of the rail 1 in real time in the control console 10 provided in the driver command unit 3 and the like.

As described above, a conventional rail temperature detecting device for measuring and confirming temperature information and measured position information of a rail in a running train in real time,

It is difficult to measure the minute temperature change of the rail by measuring the temperature of the rail as non-contact while moving.

When the risk information is detected in the measurement section, a rapid response is insufficient in the train engine room with respect to the risk information, in which case there is a risk of train derailment.

In addition, due to the various equipment mounted on the train, it is necessary to check the operating state of the equipment mounted in the engine room while the train is running, thus preventing the safe operation of the train.

Accordingly, the present invention created to solve the above problems is unlike the conventional rail temperature detection device for measuring and confirming the temperature information and position information of the rail in real time using various equipment directly in a running train by a clamp. Each field control panel displays the temperature information of the rail detected by the temperature detector of the temperature detector, which is fixed to the rail for each section and is connected to the clamp and installed by connecting to the clamp and close to the rail to detect the temperature change of the rail. By transferring the temperature information through technical steps and comparing it with the rail temperature demand information to provide corresponding alarms to trains and local signaling machinery rooms, etc.

Detect rail temperature information according to rail temperature change separately,

Regardless of the vibration and shock of the running train, the temperature sensing unit can contact the rail and measure the minute temperature change of the rail.

In the train engine room in operation, the rail risk (safety operation information according to the change of rail temperature) of the section to be entered is transmitted in advance to ensure the safe operation of the train.

You can cope with the risk warning section in advance.

The aim is to minimize the risk of derailment of trains that may occur in case of emergency.

The present invention for achieving the above object is clamped to the lower portion of the rail; It is possible to provide a rail temperature detecting device including a temperature detector installed in connection with the clamp and having a temperature sensing unit for contacting the bottom of one side of the rail to sense the temperature of the rail.

In the present invention for achieving the above object, the clamp is formed on the one side to form a second locking groove surrounding the lower side of the rail, the other side of the adjustment member made of a spiral rod formed a spiral; And forming a rectangular body portion supported by the bottom of the rail and forming a first catching groove to support the lower one side of the rail to one side of the upper portion of the body portion, wherein the spiral rod penetrates and adjusts the body portion. It is preferable that the fixing body is formed of a bracket penetrating and fixing one end of the temperature sensing part to be rotatable above the body part.

The present invention for achieving the above object is preferably fastening with a fastening bolt to form a fastening hole in the upper portion of the first locking groove so that the clamp is fixed to the rail.

In the present invention for achieving the above object, the temperature sensing unit is a temperature display element for collecting the temperature information of the rail, a heat transfer member surrounding the temperature display element and transmitting the temperature of the rail to the temperature display element, and the temperature display element A communication line which is integrally connected to the device and transmits the temperature information obtained from the temperature display device to the field control panel, a protective cap which contacts the rail and has a heat transfer member embedded therein, and is integrally coupled with the protective cap and connected to the clamp. It is preferable that the support is made of a support.

In the present invention for achieving the above object, the heat transfer member is preferably made of a buffer member to absorb the vibration and shock of the rail.

The present invention for achieving the above object is preferably provided with a damper so that the temperature sensing unit is in close contact with the rail buffer.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings.

2 is a perspective view of a temperature detector according to the present invention, and FIG. 3 is an exploded perspective view of the temperature detector according to the present invention.

2 and 3, the temperature detector 200 is divided into a clamp 210 and the temperature sensing unit 240, the clamp 210 is fixed while wrapping the lower portion of the rail 100, the temperature The sensing unit 240 is installed by connecting one side to the clamp 210 and the other side contacts the upper side of the rail 100 without interfering with the train operation.

The clamp 210 is divided into a control member 220 and the fixed body 230 and is removable.

The adjustment member 220 has a second locking groove 221 is formed on one side to surround the lower one side of the rail 100, and forms a spiral bar 222 formed a spiral 223 on the other side. The fixing member 230 may form a rectangular body portion 231 supported by the lower end of the rail 100, and may wrap the lower side of the lower portion of the rail 100 toward one side of the upper portion of the body portion 231. A locking groove 235 is formed, and a bracket 233 is rotatably fixed to one end of the temperature sensing unit 240 upwardly on one side of the body portion 231. In addition, an insertion hole 232 through which the spiral bar 222 is in close contact with each other is formed to penetrate the body 231.

The temperature sensing unit 240 includes a temperature display element 242, a heat transfer member 241, a communication line 245, a protective cap 243, and a support 247.

The temperature display element 242 collects temperature information of the rail 100, and the heat transfer member 241 surrounding the temperature display element 242 contacts the rail 100 to obtain temperature information of the rail 100. The rail 100 collected by the temperature display element 242 is transferred to the temperature display element 242 and protects the temperature display element 242, and the communication line 245 is integrally connected to the temperature display element 242. The temperature information of the to the control panel 300, the protective cap 243 is wrapped around the back of the contact portion of the heat transfer member 241 in contact with the rail 100 and fixed to the heat transfer member 241 by a pin 244 It is fixed. The support 247 integrally coupled to the outer circumferential surface of the protective cap 243 is provided with a connector 249 on the other side and connected to the bracket 233 to be fastened with the reamer bolt 213 and the reamer nut 214.

4A to 4C are cross-sectional views illustrating a process of assembling the temperature detector according to the present invention. Referring to FIG. 4A, a rail 100 in which the temperature detector 200 is installed is provided with the separated adjusting member 220 and the fixture 230. Is located near the bottom. The support 247 of the temperature sensing unit 240 is rotatably connected to the bracket 233 of the fixture 230.

4B and 4C, the spiral bar 222 of the adjusting member 220 is in close contact with the insertion hole 232 of the fixing member 230, and at the same time, the first and second locking grooves 235 and 221 are provided. ) By rotating the support 247 while adjusting the damper 248 while closely contacting the lower sides of the rail 100 to prevent the heat transfer member 241 exposed on the back of the protective cap 243 from interfering with the operation of the train. 100) The lower part of the upper part is in close contact with the bent part. Thereafter, the temperature detector 200 is fixed to the rail 100 by fastening the washer 211 and the nut 212 to the spiral 223 formed at the distal end of the spiral rod 222 penetrating the insertion hole 232.

If the fastening hole 234 is formed on the first locking groove 235 to face the rail 100 and the fastening bolt 215 is fastened, the clamp 210 is more firmly fixed to the rail 100 so that the temperature The detector 200 is more firmly fixed to the rail 100. In addition, the support 247 having the damper 248 further closes the heat transfer member 241 toward the rail 100.

5A to 5C are cross-sectional views illustrating a state in which the temperature sensing unit of the present invention is deformed. Referring to FIG. 5A, if there is no external shock in the rail 100, the temperature detector 200 is in a flat state. Heat transfer member 241 of the) is in close contact with the rail 100 to collect the temperature information of the rail (100). At this time, the heat transfer member 241 is in close contact with the rail in the form of a cylinder, the damper 248 has a length of "A".

Referring to FIG. 5B, when vibrations and shocks are transmitted to the rails 100 as the train runs on the rails 100, the length of the damper 248 is reduced to “B” while the rails 100 are deformed, and the heat transfer member. 241 is in close contact with the rail 100 in the same manner as in FIG. 5A. As described above, while the damper 248 absorbs the vibration and shock transmitted to the rail 100, the length of the damper 248 changes according to the deformation amount of the rail 100.

Referring to FIG. 5C, when the vibration and shock are transmitted to the rails 100 by the traveling train, the length of the damper does not change to “A” according to the deformation of the rails 100. ) Absorbs the vibrations and shocks and deforms more flatly than in FIG. 5A to closely contact the rails 100. At this time, the heat transfer member 241 is supported by the protective cap 243, and protects the temperature display element 242 therein.

However, as shown in FIGS. 5B and 5C, the damper 248 and the heat transfer member 241 do not act separately, respectively, and the damper 248, the heat transfer member 241, and the fixture 230 according to the transmitted vibration and shock. The support 247 which is rotatably connected to the bracket 233 of FIG. 6 interacts with the support 247 to absorb the vibrations and shocks, thereby bringing the heat transfer member 241 into close contact with the rail 100.

FIG. 6A is a cross-sectional view of the rail temperature detecting apparatus of the present invention installed in the field, and FIG. 6B is an explanatory view of the rail temperature detecting apparatus according to the present invention.

Referring to FIG. 6A, the temperature detector 200 is installed at regular intervals on each of the rails 100 of the upward line T2 and the downward line T1, and the positions thereof are located in the jurisdiction signal machine room 400 and the integrated train command room 500. ) The temperature information detected by the temperature detector 200 installed in the rail 100 is transmitted to the field control panel 300 along the communication line 245.

Referring to FIG. 6B, the field control panel 300 includes a communication unit (hereinafter referred to as a PLC unit, a power line communication) 310, a communication conversion unit 320, and a power supply unit 330, and the components 310 and 320. 330 is on-board, and the size of the on-site control panel 300 is downsized, and the information on the on-site control panel 300 is compatible and shared to the local signal machine room 400 and the integrated train command room 500. do.

The power supply unit 330 includes an automatic voltage regulator (hereinafter referred to as an AVR, Automatic Voltage Rerulator) 331 and an arrester 332. The AVR 331 receives an input power of single-phase 220V and 60Hz, and converts the power into a power supply for supplying stable power to the above-described components, in particular, the PLC unit 310 and the communication converter 320. The arrester 332 protects the components of the field control panel 300 from abnormal voltages by bypassing to ground when various surges and noises such as lightning or overvoltage occur.

The PLC unit 310 controls the overall activity of the field control panel 300 and stores and outputs state information such as power input state or temperature information of the field control panel 300. In particular, the input unit 312 receives and stores the temperature information of the rail 100 detected by the temperature detector 200 for detecting the minute temperature change of the upstream line T2 and the downline line T1, and the jurisdiction signal. The temperature information is output according to the information request signal of the machine room 400 and the integrated train command room 500.

The communication converter 320 first converts the signal input from the PLC unit 310 into an Ethernet protocol signal by the Ethernet communication module 321 and then outputs the signal, by the optical signal converter 322. The Ethernet protocol signal is converted into an optical signal to transmit the converted temperature information to the jurisdiction signal machine room 400 and the integrated train command room 500, and the rails from the jurisdiction signal machine room 400 and the integrated train command room 500. It receives the temperature request information and converts the optical signal into a signal according to the Ethernet protocol and outputs it to the Ethernet communication module 321, and converts the Ethernet protocol signal from the Ethernet communication module 321 into a signal form that can be processed by the main processing unit. Output to the main processor.

The jurisdiction signal machine room 400 and the integrated train command room 500 provide a danger alarm to the train 600 when temperature information opposed to the rail temperature request information is transmitted from the temperature detector and the temperature information according to the risk of the alarm. Controls the operation of the train 600 entering the transmitted section.

As can be seen from the above, the rail temperature detecting device of the present invention is in close contact with and fixed to the rail for each section by the clamp, and is connected to the clamp is installed and consists of a temperature sensing unit for detecting the temperature change of the rail in close contact with the rail Transmitting temperature information of the rail detected by the temperature detector of the temperature detector to each field control panel, the transmitted temperature information is converted through various technical steps, and compared with the rail temperature request information, and corresponding alarms are displayed. By providing the jurisdiction signal machine room, etc.

 Detect rail temperature information according to rail temperature change separately,

Regardless of the vibration and shock of the running train, the temperature sensing unit can contact the rail and measure the minute temperature change of the rail.

In the train engine room in operation, the rail risk (safety operation information according to the change of rail temperature) of the section to be entered is transmitted in advance to ensure the safe operation of the train.

You can cope with the risk warning section in advance.

In case of emergency, the risk of train derailment can be minimized.

Claims (7)

delete The clamp 210 is fixed to the lower portion of the rail 100, the temperature sensing unit 240 is connected to the clamp 210, the temperature sensing unit 240 in contact with the bottom of one side of the rail 100 to sense the temperature of the rail 100 In the rail temperature detecting device having a temperature detector (200) consisting of, The clamp 210 is, An adjustment member 220 formed of a spiral bar 222 having a second catching groove 221 which surrounds a lower side of the rail 100 on one side and a spiral 223 formed on the other side thereof; And While forming a rectangular body portion 231 supported on the bottom of the rail 100 and at the same time to form a first locking groove 235 to support the lower one side of the rail 100 to the upper side of the body portion 231 and Insertion holes 232 through which the spiral bar 222 is in close contact with each other are adjusted to penetrate through the body part 231, and one end of the temperature sensing part 240 is disposed above the body part 231. Rail temperature detecting device, characterized in that consisting of a fixed body 230 made of a bracket 233 for rotatably fixing the part. The method of claim 2, The rail temperature detecting device, characterized in that the clamp 210 is fastened to the tightening bolt 214 by forming a fastening hole 234 in the upper portion of the first locking groove 235 to be fixed to the rail. The clamp 210 is fixed to the lower portion of the rail 100, the temperature sensing unit 240 is connected to the clamp 210, the temperature sensing unit 240 in contact with the bottom of one side of the rail 100 to sense the temperature of the rail 100 In the rail temperature detecting device having a temperature detector (200) consisting of, The temperature detection unit 240, A temperature display element 242 for collecting temperature information of the rail 100, a heat transfer member 241 surrounding the temperature display element 242 and transferring the temperature of the rail to the temperature display element 242, and the temperature The heat transfer member 241 is connected to the communication line 245 and the rail 100 that are integrally connected to the display element 242 and transmit the temperature information obtained from the temperature display element 242 to the field control panel 300. A rail temperature detecting device comprising a protective cap (243) to be built and fixed, and a support (247) that is integrally coupled with the protective cap (243) and connected to the clamp (210). The method of claim 4, wherein The heat transfer member 241 is a rail temperature detection device, characterized in that made of a buffer member to absorb the vibration and shock of the rail (100). The method of claim 4, wherein Rail temperature sensing device, characterized in that the support 247 is provided with a damper (248) so that the temperature sensing unit 240 is in close contact with the rail (100). The clamp 210 is fixed to the lower portion of the rail 100, and is installed in connection with the clamp 210, the temperature sensing unit for detecting the temperature of the rail 100 in contact with the bottom of one side of the rail 100 In the rail temperature detection device having a temperature detector (200) consisting of (240), Rail temperature sensing device, characterized in that the support 247 is provided with a damper (248) so that the temperature sensing unit 240 is in close contact with the rail (100).

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