KR100716672B1 - Arc Insulator Monitoring Apparatus for Power Cable of Electricrail Car - Google Patents

Abstract

The present invention by installing the arc detector and the camera on the top of the train, subway, high-speed train, etc., the intensity and the image of the arc generated when the arc is generated in the train line to transmit power to the train to the engine room and train maintenance center The present invention relates to an arc monitoring apparatus for electric vehicle catenary lines that can transmit and check the position of the catenary line in which the arc is generated and the arc generation state. The present invention and the arc detection sensor is mounted on the upper portion of the electric vehicle for detecting the arc generated in the tram line; A camera for photographing a tram line in contact with a current collector of an electric vehicle; An arc detector comprising an arc detector and a detector communication unit configured to transmit information detected by the camera to a maintenance center; An arc intensity comparison unit for grasping the intensity of the arc wavelength provided from the arc detector installed in the electric vehicle; Characterized in that it comprises a maintenance center consisting of an image identification unit for checking the arc as an image on the tank line by analyzing the image information of the tram line provided from the camera and an arc detector and a center communication unit for transmitting and receiving various information with the camera. .

Electric Vehicle, Catenary, GPS Management, GPS, Arc, Camera

Description

Arc Insulator Monitoring Apparatus for Power Cable of Electricrail Car}

1 is a schematic diagram of the arc monitoring apparatus of the electric vehicle tank line according to the present invention.

2 is a block diagram of an arc detector and an electric vehicle engine room according to the present invention;

Figure 3 is a block diagram of a maintenance center according to the present invention.

4A and 4B are perspective views of the arc detector according to the present invention.

5 and 6 is a flow chart for the electric vehicle tram line monitoring process according to the present invention.

<Description of the symbols for the main parts of the drawings>

1: electric car 2: tram line

3: engine room 4: current collector

20: arc detector 21: arc detection sensor

22: infrared sensor 23: ultraviolet sensor

24: photodiode 25: camera

26: first GPS management unit 27: detector communication unit

30: engine room 31: active players

40: maintenance center 41: arc strength comparison

42: image confirmation unit 43: arc position confirmation unit

44: maintenance center communication department 45: the second GPS management unit

The present invention by installing the arc detector and the camera on the top of the train, subway, high-speed train, etc., the intensity and the image of the arc generated when the arc is generated in the train line to transmit power to the train to the engine room and train maintenance center The present invention relates to an arc monitoring apparatus for electric vehicle catenary lines that can transmit and check the position of the catenary line in which the arc is generated and the arc generation state.

In general, a power line that transmits power to an electric vehicle such as subway, ground, general train, and high-speed train is fixed to a truss-type steel support installed in a section of about 50 m, and the power line is provided to contact the current collector of the electric vehicle to supply power to the lower part of the power line. The tram line is installed. These tank lines are made of hard copper or alloy copper.

However, such a catenary produces electrical wear due to mechanical wear caused by friction or impact between the current collectors of the electric vehicle, and arcs that occur along current collectors. On the other hand, in the underground section, contaminants such as dust, dust, concrete debris, condensation, condensation, and other foreign matters accumulate in the tramline, causing damage to the tramline when it comes into contact with the current collector of the electric vehicle. There was a problem of cutting. In addition, in the ground sections such as the subway section, the national railway section, and the high-speed section, fine contaminants are adsorbed from snow, rain, surface freezing, dust, stone powder, ear powder, leaves, nearby wild mountains, fields, mountains, and tunnel sections. These foreign matters have a problem of causing damage to the electric cable when contacted with the current collector of the electric vehicle.

In addition, the power line and power line fixed between the steel support and the support that is installed between about 50m, even if the tensile strength is constant, the deflection phenomenon occurs due to the temperature change according to the season and the current collector of the electric vehicle when the deflection phenomenon occurs In contact with, excessive friction caused the tank to break.

As such, when a wound or abrasion occurs in a tank line, when a close contact with a current collector of an electric vehicle occurs, a weak arc is first generated in a tank line that is in contact with the current collector, and when the degree of breakage is large, a strong arc is generated and is eventually completely cut.

An object of the present invention devised to solve the above problems is to install an arc detector and a camera on the top of a train, subway, high-speed train, etc. of the arc generated when an arc is generated in a train line that transmits power to the train. The present invention provides an arc monitoring apparatus for electric vehicle tank lines that transmits strength and images to an electric vehicle engine room and an electric vehicle maintenance center to check the position and arc occurrence state of an arced electric vehicle line.

Another object of the present invention is to install an arc detector, a camera and a GPS on the upper portion of the electric vehicle immediately grasping the position of the arc-generated tramline and the breakage state of the tramline when the arc is generated in the tram line contacting the current collector of the electric vehicle. The present invention provides an arc monitoring device for electric vehicle catenary lines capable of carrying out measures for maintenance and repair.

Arc monitoring apparatus of the electric vehicle chariot line of the present invention for achieving the above object is an arc detection sensor for mounting the upper portion of the electric vehicle to detect the arc wavelength generated in the electric vehicle line in contact with the current collector of the electric vehicle; A camera for photographing a tank line in contact with a current collector of the electric vehicle; An arc detector comprising a detector communication unit for transmitting the information detected by the arc sensor and the camera to a maintenance center through a detector control unit;
An arc intensity comparison unit for grasping the intensity of the arc wavelength provided from the arc detector installed in the electric vehicle; Including a maintenance center comprising an image confirmation unit for analyzing the image information of the tram line provided from the camera to check the arc as an image in the tram line and a maintenance center communication unit for managing to transmit and receive various information with the arc detector and the camera; The maintenance center is connected to the arc detector and the electric vehicle engine room, the arc monitoring device of a typical electric vehicle tank line, characterized in that for transmitting data through a wired or wireless communication network,
The arc detector further includes a first GPS management unit that receives a signal from the arc detection sensor and provides its location to a base station or satellite when an arc is detected by the arc detection sensor.
The maintenance center may further include a second GPS management unit which receives the GPS position information transmitted from the arc detector from the base station or the satellite and checks the position.

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Preferably, the camera is integrated with the arc detector, the arc detector is formed with a rainwater barrier so that rainwater does not directly contact the upper end of the arc detector and the camera is located, it is possible to remove dirt on the sensor of the arc detector and the front of the camera. The wiper-shaped dirt removal unit is characterized in that the installation.

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

1 is a schematic diagram of the arc monitoring apparatus of the electric vehicle tank line according to the present invention, Figure 2 is a block diagram of the arc detector and the electric vehicle engine room according to the present invention, Figure 3 is a block diagram of a maintenance center according to the present invention, 4A and 4B are perspective views of the arc detector according to the present invention, and FIGS. 5 and 6 are flowcharts of the electric vehicle tramline monitoring process according to the present invention.

As shown in FIG. 1, in the present invention, an arc detector 20 and a camera 25 are installed on an upper side of an electric vehicle 1 that runs a tram line to supply electric power to the electric vehicle 1. When the arc is generated in the arc detector 20, by detecting the wavelength generated when the arc is generated in the arc detector 20 and the position information of the arc detector 20, which detects the arc, the electric vehicle engine room (3) or maintenance center ( 40 to check the position and state of the tank line (2) in which the arc is generated.

Looking at the arc detector in more detail with reference to Figure 2, the arc detector 20 is composed of a camera 25, the arc detection sensor 21, the detector communication unit 27 and the detector control unit 28, the first GPS management unit 26 ) Is installed.

The arc detection sensor 21 is installed so that the portion of the catenary wire 2 which is in contact with the current collector 4 on the upper side of the tram or the electric vehicle becomes a sensing area, and detects an arc wavelength generated when an arc is generated in the catenary wire 2. do. The arc detection sensor 21 is made of any one selected from the infrared sensor 22, the ultraviolet sensor 23, the photodiode 24, and a mixed sensor thereof. The arc detecting sensor 21 detects an arc generated in the catenary line 2 by detecting a wavelength generated when an arc is generated in the sensing region of the detecting sensor, and stores information in the measured wavelength in the memory 29.

The camera 25 is installed separately from the arc detector 20 or integrally mounted to the arc detector 20 so as to photograph a portion of the catenary wire 2 which contacts the current collector 4 from the upper side of the tram or the electric vehicle. Such a camera 25 can be used both an analog camera or a digital camera, it is preferable to take the image continuously.

The sensor communication unit 27 maintains the engine room 3 of the electric vehicle and the train or the electric vehicle through the wired / wireless communication network with information such as the wavelength of the arc detected by the arc detecting sensor 21, the generated time, and the image from the camera 25. Transfer to the center 40. The information transmitted to the engine room 3 and the maintenance center 40 of the electric vehicle is captured by the camera 25 and the wavelength information recognized by the infrared sensor 22, the ultraviolet sensor 23 or the photodiode 24, and the like. All video information is included. At this time, the information detected by the arc detector 20 is transmitted to the electric vehicle engine room 3 and the maintenance center 40 through a data transmitter, a modulation and amplification converter for modulating and amplifying the data, and a communication port. Is a general technique and is omitted in the present invention.

In addition, the detector controller 28 controls data flow such as a detection signal detected by the arc sensor 20 and an image captured by the camera 25 in the arc detector 20.

In addition, the arc detector 20 is interlocked with the arc detection sensor 21 when the arc is detected by the arc detection sensor 21, the first GPS management unit 26 to transmit the location information to the maintenance center 40 through the base station or satellite. More). Accordingly, when the arc detection sensor 21 detects an arc generated wavelength in the tank line, the first GPS management unit 26 immediately transmits its own location information and receives the GPS location information. It is possible to check the position of the tramline 2 generated.

Meanwhile, the engine room of the electric vehicle receives a wired / wireless player 31 that receives information such as the intensity of the wavelength detected by the arc detection sensor 21 and the time when the arc is generated and the image information captured by the camera 25 via wired or wireless. And a display unit 32 on which information is displayed and an engine room memory 33 on which received information is stored.

Looking in detail with respect to the maintenance center with reference to Figure 3, the maintenance center 40 is the arc strength comparison unit 41, the image checking unit 42, the arc positioning unit 43, the maintenance center communication unit 44 And a maintenance center control unit 46, and further includes a second GPS management unit 45 when the first GPS management unit 26 is installed in the arc detector.

The arc strength comparison unit 41 stores information on the arc wavelength generated according to the degree of wear of the catenary 2 in the arc DB 47, and compares the intensity of the provided arc wavelength with the standard intensity to the catenary 2. Determine the state of the arc generated at Accordingly, the maintenance center 40 may grasp the strength of the arc generated in the catenary 2 to determine the wear state or replacement time of the catenary in advance.

On the other hand, the image checking unit 42 directly checks the image of the arc generated in the tram line 2 by comparing the front and rear image from the image information of the tram line 2 provided from the camera 25 of the electric vehicle on the basis of the arc occurrence time. do. The image checking unit 42 is used as information to determine the wear state or replacement time of the tank line 2 together with the state of the arc generated from the arc detector.

On the other hand, the arc positioning unit 43 is installed when the first GPS management unit 26 is installed in the arc detector of the train or electric vehicle, the second GPS management unit 45 for receiving the location information transmitted by the GPS via the base station or satellite is installed To store and manage the location of the first GPS management unit 26 provided in the GPS DB 48. Accordingly, when repairing or replacing the tramline 2 in which an arc is generated, the position of the tramline 2 can be easily confirmed based on the position of the GPS managed by the second GPS management unit 45.

On the other hand, the arc positioning unit 43 is the second GPS management unit 45 that receives the position information transmitted by the first GPS management unit via the base station or satellite when the first GPS management unit 26 is installed in the arc detector of the train or train It is installed and stores and manages the location of the first GPS management unit 26 provided in the GPS DB 48. Accordingly, when repairing or replacing the tramline 2 in which an arc is generated, the position of the tramline 2 can be easily confirmed based on the position of the GPS managed by the second GPS management unit 45.

 The maintenance center communication unit 44 manages the transmission and reception of various types of information to the arc detector 20 and the electric vehicle engine room 3 using a wired / wireless communication network or the like. That is, when information such as the wavelength of the arc sensed by the arc detecting sensor 21, the generated time, and the image from the camera 25 is transmitted to the engine room 3 of the electric vehicle, it is transmitted while communicating with the engine room 3 of the electric vehicle. Information can be provided again.

And, the maintenance center control unit 46 controls the data flow in the maintenance center.

On the other hand, as shown in Figures 4a and 4b, the arc detector 20 is attached to the arc detection sensor 21 that can detect the arc to one side of the front and the camera 25 for taking an image, the arc detection sensor 21 and the front of the camera 25 is made of a protective window 51 for preventing foreign matters from entering.

In addition, the rain water blocking window 52 is formed on the front surface of the protective window 51 of the arc detector so that rain water does not directly contact. In addition, a wiper-shaped dirt removing unit 53 for removing dirt and the like on the protective window 51 of the arc detector 20 is installed, and the transmission device 54 for operating the dirt removing unit 53 is an arc. It is installed together on one side of the detector 20.

Hereinafter, an operation state of an arc monitoring apparatus of an electric vehicle chariot line according to an embodiment of the present invention will be described with reference to the flowchart of FIG. 5.

The arc sensor 20 and the camera 25 are mounted on the upper side of the electric vehicle or the electric vehicle so that the portion of the electric tank line 2 coming into contact with the current collector 4 becomes a sensing area (step S1). At this time, the arc detector 20 and the camera 25 set the tram line 2 in contact with the current collector 4 of the electric vehicle as a monitoring area and is mounted regardless of the direction of travel of the train. In addition, the arc detector 20 is preferably an arc detector in which the camera is integrally mounted.

The camera 25 installed on the upper portion of the electric vehicle continuously photographs the current collector 4 and the electric vehicle line 2 of the electric vehicle, and transmits the captured image to the electric vehicle engine room 3 and the electric vehicle maintenance center 40 (step). S2).

On the other hand, when an arc occurs in the electric tank line 2 in contact with the current collector 4 of the electric vehicle, the wavelength of the arc generated by the infrared sensor 22 and the ultraviolet sensor 23 which are the arc detection sensor 21 is recognized. (Step S3).

When the arc detection sensor 21 recognizes the arc, the arc detection sensor 21 notifies the engine room and the maintenance center 40 of the arc generation fact, the wavelength of the arc, and the arc generation time (step S4).

The driver of the electric vehicle notified of the arc wavelength and the fact of occurrence from the arc detector 20, when the detected arc wavelength is higher than the reference, compares the images before and after the arc occurrence among the images provided by the camera and visually confirms the arc occurrence state. (Step S5, S6), and when the state of the tank line 2 needs to be replaced, the maintenance center 40 is notified of the fact (step S7).

On the other hand, the maintenance center 40 stores the intensity of the arc wavelength provided from the arc detection sensor 21 in the arc DB 47 and compares the standard intensity to the wear state of the chariot line according to the arc state of the chariot line 2 or The replacement time can be grasped in advance (step S8). In addition, it is possible to determine the replacement time by checking the frequency of the arc generated at the same position of the catenary 2.

In addition, by comparing the image before and after the occurrence of the arc from the image provided from the camera to check the appearance of the arc with the naked eye (step S9).

On the other hand, when it is necessary to check the position of the tank line 2 in which the arc is generated, the position of the tank line in which the arc is generated is analyzed by analyzing the speed of the tank or the electric vehicle 1 and the arc generation time provided from the arc detector 20. Check (step S10).

With reference to the flowchart of Figure 6 looks at the operating state of the arc monitoring device of the electric vehicle tank line equipped with GPS according to an embodiment of the present invention.

An arc detector 20 and a camera 25 are mounted on the upper side of the tank or electric vehicle so that the portion of the tank line 2 contacting the current collector 4 becomes a sensing area, and the first GPS management unit 26 is inside the arc detector. Is installed (step S11).

The camera 25 installed on the upper portion of the electric vehicle continuously photographs and collects the electric current collector 4 and the electric vehicle line 2 of the electric vehicle and transmits them to the electric vehicle engine room and the electric vehicle maintenance center 40 (step S12).

When an arc occurs in the electric tank line 2 which is in contact with the current collector 4 of the electric vehicle, the arc detection sensor 21 recognizes the wavelength of the arc, and detects the arc occurrence fact, the wavelength of the arc, and the arc generation time in the engine room of the electric vehicle. And the maintenance center 40 (step S13).

When the arc detection sensor transmits the arc generation signal to the GPS, the GPS transmits the location information to the base station or satellite to be transmitted to the maintenance center 40 (step S14).

The driver of the electric vehicle notified of the arc wavelength and the fact of occurrence from the arc detector 20 compares the images before and after the arc occurrence among the images provided by the camera to visually check the arc state of the transmission line, and to the maintenance center 40. Notification is made (steps S14 to S17).

On the other hand, the maintenance center 40 stores the intensity of the arc wavelength provided by the arc detection sensor 21 in the arc DB 47 and compares the standard intensity (step S18), before and after the arc generation among the images provided by the camera Comparative analysis of the image of the arc to check the appearance of the arc with the naked eye (step S19).

In addition, when it is necessary to confirm the position of the tank line 2 in which the arc is generated, the position information received from the GPS of the arc detector when the arc is generated is analyzed to accurately calculate the position of the tank line 2 in which the arc is generated (step S20). ).

Although the preferred embodiments of the present invention have been described in detail above, various embodiments of the present invention may be made without departing from the spirit of the present invention as defined in the appended claims by those skilled in the art. All changes in design or modification will fall within the scope of the invention.

As described above, the arc monitoring device of the electric vehicle tank line according to the present invention transmits the intensity and image of the arc generated when the arc is generated in the electric vehicle line that transmits power to the electric vehicle to the electric vehicle engine room and the electric vehicle maintenance center, There is an advantage that can check the position of the generated lane and the arc generation state.

In addition, by installing the GPS together, the location of the tramline in which the arc is generated can be easily checked to easily check the position of the damaged tramline to perform measures for maintenance and repair in the maintenance center.

In addition, by checking the frequency of the arc generated in the electric car tank line, it is possible to replace the tank line at the end of its life can prevent large accidents in advance,

Claims (6)

delete An arc detection sensor 21 mounted on an upper portion of the electric vehicle and detecting an arc wavelength generated from an electric line in contact with a current collector of the electric vehicle; A camera (25) for photographing a tank line in contact with a current collector of the electric vehicle; An arc detector (20) comprising a detector communication unit (27) for transmitting the information detected by the arc sensor (21) and the camera (25) to the maintenance center (40) through a detector control unit (28); An arc intensity comparison unit 41 for grasping the intensity of the arc wavelength provided from the arc detector 20 installed in the electric vehicle; Analyzing the image information of the tram line provided from the camera 25 to maintain the image check unit 42 and the arc detector 20 and the camera 25 to check the arc as an image in the tram line to maintain and manage a variety of information It is configured to include a maintenance center 40 is composed of a management center communication unit 44, The maintenance center 40 is connected to the arc detector 20 and the electric vehicle engine room 30 in the arc monitoring apparatus of a typical electric vehicle tram line, characterized in that for transmitting data through a wired or wireless communication network, The arc detector 20 further includes a first GPS manager 26 that receives a signal from the arc sensor 21 and provides its location to a base station or a satellite when an arc is detected by the arc sensor 21. and, The maintenance center 40 further includes a second GPS management unit 45 for receiving a GPS position information transmitted from the arc detector 20 from a base station or satellite and confirming a position. Device. delete delete delete delete

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