KR20220017565A - Apparatus for controlling the power supply to the electric railway system - Google Patents

Abstract

The present invention relates to a system supply power control apparatus of an electric railway, comprising: a railway vehicle which is linked with a substation and a platform for transcontinental crossing and is operated by electricity; a substation communication unit which receives type and specification information of the railway vehicle; a vehicle detection unit which detects location of the railway vehicle on a rail; a substation control unit which controls a power switching unit to supply power corresponding to the type of the railway vehicle on a rail section corresponding to the type of the entering railway vehicle for each rail section; and the power switching unit which switches a type of power supplied to a power system for each rail section according to control of the substation control unit. The system supply power control apparatus supplies power matched to the railway vehicle.

Description

APPARATUS FOR CONTROLLING THE POWER SUPPLY TO THE ELECTRIC RAILWAY SYSTEM

The present invention relates to a system supply power control apparatus and method for an electric railway, and more particularly, to a system supply power control apparatus for an electric railway that enables supplying power supplied to an electric railway system for crossing a continent to a railway vehicle and methods.

In general, railroads are one of the important means of transportation that make people's lives convenient along with automobiles, airplanes, ships, etc., and these railroads are very usefully used as large-scale transportation means connecting regions and regions in a complex industrial society. have.

In addition, with the development of an industrial society, the technology of railways is also gradually speeding up, modernizing, and globalizing. The reality is that an internationalized long-distance railroad car route that connects countries or continents across continents is being built.

In the case of Korea, recently, the continental railroad project and the north-south rail connection project are becoming visible. At this time, the problem with the continental railroad project is that there is a difference in gauges between railroads in each country, and that there is a difference in the power (eg, power frequency) supplied to the electric rail system in each country. Among them, the problem caused by the difference between gauges can be solved with the gauge variable wheelshaft system, but more importantly, a technology is needed to solve the problem caused by the difference in the power (eg, power frequency) supplied to the electric railway system. to be.

In addition, a problem in the continental railroad project is that there is a problem in that there is a difference between the floor height and the height of the railway station platform (eg, low-floor groove, medium-high groove, and high-rise groove) depending on the type of railway vehicle. Therefore, there is a need for a technology to solve the problem caused by the difference between the height of the floor of the railroad car and the height of the platform of the railway station.

The background technology of the present invention is disclosed in Korean Patent Laid-Open No. 10-2020-0078765 (published on July 2, 2020, a guide system for a variable gauge wheelbase for a railway vehicle).

According to one aspect of the present invention, the present invention was created to solve the above problems, and the power supplied to the electric railway system for crossing the continent can be supplied according to the railway vehicle, the system supply power of the electric railway An object of the present invention is to provide a control device and method.

In accordance with one aspect of the present invention, there is provided an apparatus for controlling system supply power of an electric railway, including: a railway vehicle operated by electricity in connection with a substation and a platform for crossing a continent; a substation communication unit receiving the type and specification information of the railway vehicle; a vehicle detection unit detecting a position on a rail to which the railway vehicle moves; a substation control unit for controlling the power switching unit so that power corresponding to the type of the railway vehicle is supplied in the corresponding rail section in response to the type of the railway vehicle entering for each rail section; and a power switching unit for switching the type of power supplied to the power system for each rail section under the control of the substation control unit.

In the present invention, the power switching unit, power corresponding to a plurality of railway vehicles is applied to the input side, and according to the control of the substation control unit, outputs a selected one of the applied power to the power of the rail section It is characterized in that it is supplied to the cable.

In the present invention, the vehicle detecting unit is characterized in that it senses at least one of a movement time, a traveling speed, a length of the vehicle, and a current position of a rail vehicle moving on a rail.

In the present invention, according to the control of the substation control unit, a traffic light switching unit for outputting an instruction for controlling the speed of the railway vehicle through a traffic light installed on the rail; characterized in that it further comprises.

In the present invention, when the rail section to which the following railway vehicle will enter is a double-track rail section and the power supplied to each rail section is set differently, according to the control of the substation controller, the power used in one rail section is different In order to prevent a plurality of railroad vehicles from entering, a rail changing unit that automatically changes rails so that a railroad vehicle entering each rail section of the double-track rail section can enter a section to which a corresponding power is applied; It is characterized in that it further comprises.

In accordance with another aspect of the present invention, there is provided a method for controlling system supply power of an electric railway, the method comprising: detecting, by a substation control unit, an entry of a railway vehicle for each preset rail section; checking, by the substation control unit, the power used according to the type of the railway vehicle entered for each rail section; checking, by the substation control unit, whether a preceding railway vehicle already exists in a rail section to which the railway vehicle intends to enter; and when there is no preceding railroad vehicle in the rail section, the substation control unit converts the power into power corresponding to the railroad vehicle that is scheduled to enter the rail section, and supplies the converted power to the power system of the rail section. characterized in that

In the present invention, when a railway vehicle using a power source different from the power used by the railway vehicle scheduled to enter the corresponding rail section is already running in the rail section, the substation control unit enters the rail section outputting an instruction for controlling the speed of the following railway vehicle by controlling a traffic light installed in front of the scheduled following railway vehicle; and when the following railway vehicle is operated according to the instruction for controlling the speed of the railway vehicle, if the preceding railway vehicle deviates from the corresponding rail section during the secured time, the substation control unit changes to a power suitable for the following railway vehicle It characterized in that it further comprises; supplying power to the corresponding rail section.

In the present invention, when the following railway vehicle does not operate according to the instruction for controlling the speed of the railway vehicle, when the corresponding rail section is a double-track rail section, the substation control unit precedes the rail into which the following railroad vehicle enters It characterized in that it further comprises; changing to another rail that does not have a railroad car.

In the present invention, in order to check the power used according to the type of railway vehicle entered for each rail section, the substation control unit may communicate with the railway vehicle or use power information corresponding to the type of the railway vehicle stored in advance. It is characterized by reference.

In the present invention, the step of checking whether a preceding railway vehicle already exists in the rail section to which the railroad vehicle intends to enter includes determining whether a preceding railroad vehicle having a different power source for the following railroad vehicle scheduled to enter the corresponding rail section already exists It is characterized in that it is checked.

According to one aspect of the present invention, the present invention enables the power supplied to the electric railway system for transcontinental to be supplied according to the railway vehicle.

1 is an exemplary view showing a schematic configuration of a system supply power control apparatus of an electric railway according to an embodiment of the present invention.
Figure 2 is a flowchart for explaining a system supply power control method of an electric railway according to an embodiment of the present invention.
3 is an exemplary view showing a schematic configuration of an electric railway vehicle control apparatus according to an embodiment of the present invention.
4 is a flowchart for explaining a method for controlling an electric railway vehicle according to a first embodiment of the present invention.
5 is a flowchart for explaining a method for controlling an electric railway vehicle according to a second embodiment of the present invention.
6 is a flowchart for explaining an electric railway vehicle control method according to a third embodiment of the present invention.
7 is an exemplary view showing a schematic configuration of an apparatus for controlling an electric railway vehicle platform according to an embodiment of the present invention.
8 is a flowchart illustrating a method for controlling an electric railway vehicle platform according to an embodiment of the present invention.
9 is an exemplary view for explaining the principle of operation of the platform stairs in FIG. 7 .
10 is an exemplary view showing a platform fence viewed from the top in order to explain the principle of operation of the platform fence in FIG. 7 .

Hereinafter, an embodiment of an apparatus and method for controlling system supply power of an electric railway according to the present invention will be described with reference to the accompanying drawings.

In this process, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of the user or operator. Therefore, definitions of these terms should be made based on the content throughout this specification.

1 is an exemplary diagram showing a schematic configuration of a system supply power control apparatus of an electric railway according to an embodiment of the present invention.

As shown in Figure 1, the system supply power control device of the electric railway according to the present embodiment, the substation communication unit 110, the vehicle detection unit 120, the traffic light switching unit 130, the rail change unit 140, It includes a substation control unit 150 , a power conversion unit 160 , a power switching unit 170 , and a rail section information storage unit 180 .

The substation communication unit 110 communicates with the vehicle communication unit (270 in FIG. 3) of the railway vehicle to receive type and specification information of the railway vehicle (eg, information including driving information, power used, floor height, etc.).

The substation communication unit 110 communicates with the platform management server (or the platform communication unit (320 in FIG. 7)) as well as the railway vehicle, and includes information on the type and specification of the railway vehicle (eg, driving information, power used, floor height, etc.). information) can be transmitted.

The vehicle detection unit 120 detects a position on the rail on which the railway vehicle moves. In this case, the information detected by the vehicle detection unit 120 may include a movement time, a traveling speed, a length of the vehicle, and a current location of the rail vehicle moving on the rail.

The traffic light switching unit 130, according to the control of the substation control unit 150, provides an instruction to control the speed of the railway vehicle (eg, instructs the following railway vehicle to maintain the current speed, decelerate, stop, etc.) installed on the rail It can be output through a traffic light (not shown). This is a power accident when a preceding railway vehicle with a different power source is already running in the preceding rail section (for example, when a plurality of railroad vehicles with different power source run in one preset rail section, The purpose is to prevent an accident that may occur when a railroad vehicle that uses a power source different from that supplied to the rail section enters the rail section.

The rail change unit 140 is a double-track section (ie, a double-track rail section) (eg, first section, first 'section) in which a rail section to which a railroad vehicle (following railroad car) will enter is supplied for each rail section Assuming that the power is set differently, the rail is automatically changed so that a railway vehicle entering this rail section can enter the section to which the corresponding power is applied. Through this, a power accident that may occur if the following railroad vehicle does not follow the instructions (eg, instruct the following railroad vehicle to maintain the current speed, decelerate, stop, etc.) due to some unknown cause (eg, any one preset Changing the rail section to prevent accidents that may occur when a plurality of railroad vehicles with different power sources run in a rail section of there is a purpose for

The substation control unit 150 corresponds to the type of railway vehicle entering for each rail section (eg, a Chinese vehicle, a Russian vehicle, a domestic vehicle, etc.) The power switching unit 170 is controlled so that the power used by railroad vehicles) can be supplied. That is, power corresponding to a plurality of railroad vehicles is applied to the input side of the power switching unit 170 , and selected power among them is outputted and supplied to the power cable of the corresponding rail section. In this case, a neutral section (ie, a section to which power is not applied) may be included between each rail section.

The power switching unit 170 switches the type of power supplied to the power system for each rail section (eg, power used in Chinese vehicles, Russian vehicles, and domestic vehicles) according to the control of the substation control unit 150 . do.

The power conversion unit 160 converts commercial power (eg, 60Hz power supplied by KEPCO) to power used by each type of railroad vehicle (eg, power used by Chinese vehicles, Russian vehicles, and domestic vehicles), and It is supplied to the input side of the power switching unit 170 .

The power switching unit 170 receives a plurality of power sources (eg, power used in Chinese vehicles, Russian vehicles, and domestic vehicles) supplied from the power conversion unit 160 , and then the substation control unit 150 ) It is switched according to the control of the rail to supply power corresponding to each rail section (that is, power used by railway vehicles entering each rail section).

At this time, the rail section information is stored in the rail section information storage unit 180 .

That is, it is implemented to switch and supply power (eg, 60Hz power or 50Hz power) supplied from the substation in units of the rail section. Accordingly, it is managed so that a plurality of railway vehicles using different power sources do not enter one rail section (ie, a rail section to which one type of power is supplied).

2 is a flowchart illustrating a method for controlling system supply power of an electric railway according to an embodiment of the present invention.

Referring to FIG. 2 , the substation control unit 150 detects the entry of a railroad vehicle for each preset rail section (S101), and checks the power used according to the type of the railroad vehicle entered for each rail section (S102).

In this case, the check of the power used according to the type of the railway vehicle may be checked by communicating with the railway vehicle or may refer to information on used power known in advance corresponding to the type of the railway vehicle.

In addition, the substation control unit 150 is, in the rail section to which the railroad vehicle is to enter (that is, the rail section in which the railroad vehicle is scheduled to enter) preceding railroad vehicles (ie, the following railroad vehicles scheduled to enter the corresponding rail section) It is checked whether there is already a preceding railway vehicle with a different power source (S103).

As a result of the check, if there is no preceding railroad vehicle with a different power source in the corresponding rail section (No in S103), the substation control unit 150 corresponds to the railroad vehicle (eg, domestic railroad car) scheduled to enter the rail section Convert the power supply (eg, 60Hz power for domestic railway vehicles) (eg, if the railway vehicle to enter the relevant rail section is a Chinese railway vehicle, convert it to 50Hz power supply for Chinese railway vehicles) (S104) It is supplied to the power system of the rail section (S105).

However, as a result of the check (S103), if a railroad vehicle (ie, a preceding railroad vehicle) using a power different from that used by the railroad vehicle (ie, the following railroad car) scheduled to enter the rail section is already running (Yes of S103), the substation control unit 150 controls the traffic light installed in front of the following railway vehicle to be entered to control the speed of the following railway vehicle (eg, maintaining the current speed, decelerating, stopping, etc.) ) (or an instruction for controlling the speed of the following railroad vehicle may be output by communication) (S106).

However, if the following railroad car is operated according to the instruction (instruction by traffic light, instruction by communication) (Yes of S107), if the preceding railroad car deviates from the rail section during the secured time, the power supply suitable for the following railroad car is used. Change and supply power to the rail section (S103 ~ S105). However, if the following railway vehicle does not operate according to the instruction (No in S107), if the corresponding rail section is a double track section, the rail into which the following railway vehicle enters is changed to another rail without a preceding railroad vehicle (No in S107) ( S108). In addition, although not shown in the drawing, if the rail section is not a double-track section, the substation control unit 150 instructs the preceding railway vehicle to run faster or takes a countermeasure to temporarily cut off the power supplied to the rail section can also be done

As described above, the present embodiment enables the power supplied to the transcontinental electric railway system to be supplied according to the railroad vehicle from the side of the substation, so that the operational efficiency of the transcontinental railway through stable power supply corresponding to the type of the transcontinental railway and to improve safety.

3 is an exemplary view showing a schematic configuration of an electric railway vehicle control device according to an embodiment of the present invention, as shown in FIG. 3, the railway vehicle for crossing the continent has an upper power cable and a pantograph (not shown). ), the received power is sensed (eg power supply voltage, frequency, etc.). Based on the detection result of the power source (e.g., voltage, frequency, etc. of the power source), if it is not the power source used by the railway vehicle itself, it converts the received power into power that can be used by itself (e.g., in the case of a Chinese vehicle) Converted to 50Hz power supply, and converted to 60Hz power supply in case of a Korean vehicle) is used as the driving power source in the vehicle.

In addition, the vehicle control unit 250 communicates with the management server of the substation or platform (or platform) and provides its own vehicle information (eg, information including driving information, power used, floor height, etc.) Make sure that the appropriate power supply is supplied, and the stairs corresponding to the floor height of the railroad car can be prepared at the platform. However, when entering or exiting a platform without automatic stairs, the vehicle stairs included in the railroad car can be automatically drawn out or stored.

Hereinafter, the electric railway vehicle control device will be described in more detail with reference to FIGS. 3 to 6 .

As shown in FIG. 3 , the electric railway vehicle control apparatus according to the present embodiment includes a power input unit 210 , a power detection unit 220 , a vehicle power conversion unit 230 , a vehicle power supply unit 240 , and a vehicle control unit. 250 , a vehicle information storage unit 260 , a vehicle communication unit 270 , a vehicle stairs driving unit 280 , a ground sensing unit 290 , a vehicle steam injection unit 295 , and a vehicle stairs sterilization unit 296 . do.

The power input unit 210 receives power through a power cable for supplying power for each rail section and a pantograph (not shown) installed on the upper part of the railway vehicle.

The power detection unit 220 senses (detects) the state (eg, voltage, frequency, etc.) of the power input through the power input unit 210 .

The vehicle power conversion unit 230 checks whether the railway vehicle itself is usable power based on the state (eg, voltage, frequency, etc.) of the power sensed by the power detection unit 220 , and checks the power that is not available. In the case of , the railway vehicle itself converts it to a usable power source (eg, in the case of a Chinese vehicle, it converts itself to a 50Hz power source).

The vehicle power supply unit 240 supplies the railway vehicle with the power converted by the vehicle power conversion unit 230 so that the railway vehicle itself can be used, and uses it as driving power.

The vehicle information storage unit 260 stores the railway vehicle's own specification information (eg, power used, floor height, whether automatic stairs are included, etc.), and according to the control of the vehicle control unit 250 , the vehicle communication unit 270 transmits the specification information to a target (eg, a platform management server) that needs it.

The vehicle communication unit 270 communicates with the substation communication unit ( 110 in FIG. 1 ) or the platform communication unit ( 320 in FIG. 7 ) to periodically transmit or receive requested information to transmit predetermined information.

The vehicle control unit 250 communicates with a designated target (eg, a platform management server, a substation management server) (not shown) to control the driving of the vehicle, control the automatic vehicle stairs included in the railroad car, or Send the specification information.

The vehicle step driving unit 280, according to the control of the vehicle control unit 250, withdraws or accommodates the automatic vehicle steps included in the railroad car.

At this time, a ground sensing unit 290 is included at the end of the vehicle stairs, and it is detected whether the end of the vehicle stairs is in contact with the ground or approaches within a specified distance through the ground sensing unit 290 . When the end of the vehicle stairs comes into contact with the ground (or approaches within a specified distance) through the ground detection unit 290, the withdrawal of the vehicle stairs is stopped.

The vehicle steam spraying unit 295 sprays steam to facilitate withdrawal of the vehicle stairs when moving to a cold area. For example, before the vehicle stairs are taken out, steam may be sprayed in advance to remove snow or ice adhering to joints or stair treads, and steam is sprayed to remove dirt or dust on the stair treads when storing the stairs. can do. At this time, the temperature or the injection amount of the steam may be adjusted according to the use. For example, when removing snow or ice, a high temperature or maximum injection amount can be adjusted, and when simply removing dirt or dust, a low temperature or a minimum injection amount can be adjusted.

The vehicle stair sterilization unit 296 sterilizes the stairs before or after the vehicle stairs are used (ie, before or after being withdrawn or received). For example, the vehicle stair sterilization unit 296 may sterilize the stair floor by spraying a sterilizing solution or illuminating an optical sterilization means (eg, ultraviolet rays).

4 is a flowchart illustrating a method for controlling an electric railway vehicle according to a first embodiment of the present invention.

Referring to FIG. 4 , the vehicle control unit 250 detects power input through the power cable ( S201 ), and whether the input power is power corresponding to the railway vehicle (ie, available in the railway vehicle). Check (eg, in the case of a Chinese vehicle, check whether the power supply is 50Hz) (S202).

As a result of the check (S202), if the power input to the railroad vehicle is not the power corresponding to the railroad vehicle (NO in S202), the vehicle control unit 250 corresponds to the railroad vehicle through the vehicle power conversion unit 230 converted into power (power usable in the corresponding railroad vehicle) (S203), and supplied as internal driving power of the corresponding railroad vehicle (S204).

However, as a result of the check (S202), if the input power is a power corresponding to the corresponding railway vehicle (eg, 60Hz power in case of a domestic vehicle) (Yes in S202), the vehicle control unit 250 is Power is directly supplied to the internal driving power of the railway vehicle as it is (S204).

5 is a flowchart for explaining a method for controlling an electric railroad vehicle according to a second embodiment of the present invention. In this embodiment, another railroad vehicle (that is, a railroad vehicle) is already in the rail section to which the railroad vehicle (ie, the following railroad vehicle) is scheduled to enter. , preceding railway vehicle) is running, and in the state in which the substation side is implemented to supply power corresponding to the railway vehicle traveling in the corresponding rail section, if the power used by the preceding railway vehicle and the following railway vehicle is different (eg : This is an embodiment for preventing an accident when two railway vehicles simultaneously enter the same rail section (a preceding rail vehicle using a 60Hz power source, a trailing rail vehicle using a 50Hz power source).

Referring to FIG. 5 , the vehicle control unit 250 receives a railroad vehicle control signal from a substation or recognizes a traffic light in front of the rail (S301), and drives the vehicle in response to an instruction transmitted through the control signal or traffic light. (e.g., maintaining speed, slowing down, stopping, etc.).

And the vehicle control unit 250 checks whether the vehicle is driven correctly according to the instruction (S302), and if the check result is non-response (eg, when the instruction is not recognized) or the railway vehicle is not driven in response to the instruction (No in S302), the vehicle control unit 250 returns a negative response signal (in this case, the non-response or negative response signal may include the reason or cause information) within a predetermined time (S303).

In addition, the vehicle control unit 250 blocks the power input in a designated rail section or enables driving in a possible section through a power (eg, charging power) built into the vehicle (S304). Thereby, there is an effect of securing time to respond while normal power (ie, power available to the railway vehicle) is supplied to the power cable of the rail section from the substation side.

On the other hand, when the railway vehicle is driven accurately according to the instruction (Yes in S302), the vehicle control unit 250 secures a time for the preceding railway vehicle to advance in the rail section, so that the power supply of the corresponding rail section in the substation is thereafter. Ensure that the cables are supplied with normal power (i.e. power available to the following railroad vehicles).

6 is a flowchart illustrating a method for controlling an electric railway vehicle according to a third embodiment of the present invention.

Referring to FIG. 6 , when the railway vehicle enters the platform (Yes in S401), the vehicle control unit 250 communicates with the platform management server (not shown) in advance before entering the platform to the corresponding platform (ie, a railway vehicle). It is checked whether the platform to be entered) is a platform where variable stairs (automatic stairs) are installed (S402).

Alternatively, the vehicle control unit 250 may use information on the installation of variable stairs (automatic stairs) of each platform, which is stored in advance in the form of a lookup table.

As a result of the check (S402), if it is not a platform on which a variable staircase (automatic staircase) is installed (No in S402), when the railway vehicle enters the platform, the vehicle control unit 250 responds to the platform ground height and in the railway vehicle itself Take out the stairs (S403).

In addition, the vehicle control unit 250 withdraws the stairs from the end of the stairs of the variable stairs (automatic stairs) until the ground touches (or approaches within a specified distance) (No in S404, S403), and the variable stairs (automatic stairs) ), when the ground is in contact (or close within a specified distance) at the end of the stairs, the stair withdrawal is stopped (S405).

On the other hand, when the platform to which the railway vehicle enters is a platform equipped with variable stairs (automatic stairs) (Yes of S402), the vehicle control unit 250 transmits the railway vehicle floor height information to the platform management server (not shown) ( S406), so that the stairs can be withdrawn corresponding to the floor height of the vehicle in the platform (see FIG. 8).

In addition, when the railroad vehicle advances from the platform (No in S401), the vehicle control unit 250 accommodates the stairs withdrawn from the railroad vehicle into the railroad vehicle (S407), and the vehicle steam injection unit 295 or the vehicle stairs The sterilization unit 296 sterilizes or cleans the vehicle stairs by a predetermined sterilization method (eg, spraying a sterilization solution or lighting an ultraviolet ray) (S408).

At this time, although not shown in the drawing, dirt or dust on the stairs of the vehicle may be treated by spraying steam.

In addition, when a railroad vehicle advances from the platform, the platform controller 330 accommodates (or descends) the platform stairs drawn out corresponding to the vehicle floor height to match the ground (refer to FIG. 8 ).

As described above, in the present embodiment, when the substation fails to supply power corresponding to the railroad vehicle, the vehicle converts the power suitable for its own driving power and uses it, and even if the floor height of the vehicle and the platform height are different, the vehicle By allowing the stairs to be automatically pulled out, it has the effect of improving safety, driving ease of continental railroads, and user convenience.

7 is an exemplary diagram illustrating a schematic configuration of an apparatus for controlling an electric railway vehicle platform according to an embodiment of the present invention.

As shown in FIG. 7 , the present embodiment includes stairs capable of automatically adjusting the height of the platform, communicates with the transcontinental railway vehicle to receive floor height information of the railway vehicle, and then enters the platform when the railway vehicle enters the platform. It automatically adjusts the height of the stairs according to the floor height of the railroad car, detects nearby passengers and warns them when they approach the platform stairs to prevent accidents.

Referring to FIG. 7 , the control device of the platform of the electric railway vehicle according to the present embodiment includes a sensor unit 310 , a platform communication unit 320 , a platform control unit 330 , a platform stair driving unit 340 , and a stair fence driving unit 350 . ), a platform steam injection unit 360 , and a platform staircase sterilization unit 370 .

The sensor unit 310 detects a railroad vehicle entering or exiting the platform. Also, the sensor unit 310 detects a passenger who enters or passes through the platform stairs through the stair fence (or platform fence) among passengers passing through the platform passage (see FIG. 10 ).

For example, the sensor unit 310 may include an infrared sensor, a camera sensor, a radar sensor, a weight sensor, and an ultrasonic sensor.

The platform communication unit 320 communicates with the railway vehicle for crossing the continent.

Also, the platform communication unit 320 may communicate with a platform management server (not shown) or a substation management server (not shown) through the vehicle communication unit 270 and the substation communication unit 110 . In addition, specification information (eg, power used, floor height, whether automatic stairs are included, etc.) of a railroad vehicle entering the platform may be transmitted through the platform communication unit 320 .

The platform stairs driving unit 340 drives the platform stairs installed according to the position of the entrance door of the railway vehicle, and adjusts the height of the platform stairs by the platform control unit 330 . That is, the platform control unit 330 adjusts the height of the platform stairs to match the floor height of the door of the rail vehicle entering the platform.

The platform step driving unit 340 adjusts the height of each step of the platform stairs using a hydraulic or electric actuator under the control of the platform control unit 330 (see FIG. 9 ). Therefore, users can comfortably get on or off the railcar regardless of the floor height of the railcar for transcontinental use.

In addition, the stair fence driving unit drives the position or direction of a stair fence installed around the platform stairs, and blocks and warns passengers from accessing the platform stairs before the platform stairs move. By the moving platform stairs To prevent accidents from occurring to passengers (refer to FIG. 10).

The platform steam spraying unit 360 sprays steam to facilitate withdrawal of the platform stairs in a cold area. For example, steam may be sprayed to remove snow or ice adhering to joints or stair treads before the platform stairs are withdrawn, or to remove dirt or dust on the stair treads when storing the stairs. At this time, the temperature or the injection amount of the steam may be adjusted according to the use. For example, when removing snow or ice, a high temperature or maximum injection amount can be adjusted, and when simply removing dirt or dust, a low temperature or a minimum injection amount can be adjusted.

The platform stairs sterilization unit 370 sterilizes the stairs before or after the platform stairs are used (ie, before or after being withdrawn or stored). For example, the platform stair sterilization unit 370 may sterilize the stair floor by spraying a sterilizing solution or illuminating an optical sterilization means (eg, ultraviolet rays).

8 is a flowchart illustrating a method for controlling an electric railway vehicle platform according to an embodiment of the present invention.

Referring to FIG. 8 , the platform controller 330 drives the stair fence of the platform to allow passengers to move out of the stair fence when the rail vehicle enters the platform (Yes in S501), and the passenger moves out of the stair fence. When the confirmation is completed (S502), information on the floor height of the railway vehicle is received from the railway vehicle scheduled to enter the platform (S503), and the platform stairs are driven to a height corresponding to the floor height of the railway vehicle to increase the height. Adjust (S504).

On the other hand, when the railway vehicle that has entered the platform advances out of the platform (No in S501), the platform control unit 330 drives the stair fence of the platform to allow passengers to move out of the stair fence, and confirms whether the passenger has moved out of the stair fence When this is completed (S505), by lowering (or lowering) the stairs of the platform in response to the ground height of the platform, passengers passing the platform passage can walk without jamming, and also the platform steam spraying unit 360 or the platform stairs The sterilization unit 370 sterilizes or cleans the platform stairs by a predetermined sterilization method (eg, spraying a sterilizing solution or lighting an ultraviolet ray) (S506).

9 is an exemplary view to explain the principle of operation of the platform stairs in FIG. 7 , and each of the stairs moves up and down by hydraulic or electric actuators so that the height of each stair floor of the platform stair can be adjusted. implemented to be

For example, when the floor height of the railroad car is high, the height of each step is adjusted to be high (refer to Fig. 9 (a)), and when the floor height of the railroad car is low, the height of each step is adjusted stepwisely lower (see Fig. 9) In (b), (c)), it is possible to adjust the height of the platform stairs according to the floor height of the railroad car by adjusting the height of each of the stairs composed of the same number.

10 is an exemplary view showing a platform fence viewed from the top in order to explain the principle of operation of the platform fence in FIG. Accordingly, when a railway vehicle enters the platform, platform fences are positioned on the left and right sides of the platform stairs as shown in FIG. In this case, as shown in (b) of FIG. 10, platform fences are positioned on the front and rear sides of the platform stairs to prevent passengers passing through the platform passage from falling onto the rail under the platform.

As described above, in this embodiment, when an electric railroad vehicle for crossing the continent enters the platform, the platform stairs are drawn out or By storing it on the ground of the platform, it is possible to operate a railway vehicle for crossing the continent at any platform, thereby improving the user's convenience.

As described above, the present invention has been described with reference to the embodiment shown in the drawings, but this is merely exemplary, and various modifications and equivalent other embodiments are possible therefrom by those of ordinary skill in the art. will understand the point. Therefore, the technical protection scope of the present invention should be defined by the following claims. Implementations described herein may also be implemented as, for example, a method or process, an apparatus, a software program, a data stream, or a signal. Although discussed only in the context of a single form of implementation (eg, discussed only as a method), implementations of the discussed features may also be implemented in other forms (eg, as an apparatus or program). The apparatus may be implemented in suitable hardware, software and firmware, and the like. A method may be implemented in an apparatus such as, for example, a processor, which generally refers to a computer, a microprocessor, a processing device, including an integrated circuit or programmable logic device, and the like. Processors also include communication devices such as computers, cell phones, portable/personal digital assistants (“PDA”) and other devices that facilitate communication of information between end-users.

110: substation communication unit 120: vehicle detection unit
130: traffic light switching unit 140: rail change unit
150: substation control unit 160: power conversion unit
170: power switching unit 180: rail section information storage unit
210: power input unit 220: power sensing unit
230: vehicle power conversion unit 240: vehicle power supply unit
250: vehicle control unit 260: vehicle information storage unit
270: vehicle communication unit 280: vehicle stair driving unit
290: ground sensing unit 295: vehicle steam injection unit
296: vehicle stair sterilization unit 310: sensor unit
320: platform communication unit 330: platform control unit
340: platform stair driving unit 350: stair fence driving unit
360: platform steam spraying unit 370: platform stair sterilization unit

Claims (10)

railway vehicles operated by electricity in connection with substations and platforms for transcontinental crossings;
a substation communication unit receiving the type and specification information of the railway vehicle;
a vehicle detection unit detecting a position on a rail to which the railway vehicle moves;
a substation control unit for controlling the power switching unit so that power corresponding to the type of the railway vehicle is supplied in the corresponding rail section in response to the type of the railway vehicle entering for each rail section; and
and a power switching unit for switching the type of power supplied to the power system for each rail section according to the control of the substation control unit.
According to claim 1, wherein the power switching unit,
Power corresponding to a plurality of railway vehicles is applied to the input side, and under the control of the substation control unit, any one selected from the applied power is outputted and supplied to the power cable of the corresponding rail section. of the grid supply power control unit.
According to claim 1, wherein the vehicle detection unit,
A system supply power control device for an electric railway, characterized in that it detects at least one of a moving time, a traveling speed, a length of a vehicle, and a current position of a railway vehicle moving on a rail.
The method of claim 1,
and a traffic light switching unit for outputting an instruction for controlling the speed of the railway vehicle through a traffic light installed on the rail according to the control of the substation control unit.
The method of claim 1,
If the rail section to which the following railroad vehicle will enter is a double-track rail section, and the power supplied to each rail section is set differently,
Under the control of the substation control unit,
In order to prevent a plurality of railroad vehicles having different power sources from entering one rail section, the rails are used to allow railroad vehicles entering each rail section of the double-track rail section to enter the section to which the corresponding power is applied. The system supply power control device of the electric railway, characterized in that it further comprises a; rail change unit that automatically changes.
detecting, by the substation control unit, the entry of a railroad vehicle for each preset rail section;
checking, by the substation control unit, the power used according to the type of the railway vehicle entered for each rail section;
checking, by the substation control unit, whether a preceding railway vehicle already exists in a rail section to which the railway vehicle intends to enter; and
When there is no preceding railroad vehicle in the rail section, the substation control unit converts the power into power corresponding to the railroad vehicle that is scheduled to enter the rail section and supplies the converted power to the power system of the rail section; System supply power control method of electric railway, characterized in that.
The method of claim 6, wherein when a railway vehicle using a power different from that used by a railway vehicle scheduled to enter the corresponding rail section is already running in the rail section,
outputting, by the substation control unit, an instruction for controlling the speed of the following railroad vehicle by controlling a traffic light installed in front of the following railroad vehicle scheduled to enter the rail section; and
When the following railroad car is operated according to the instruction for controlling the speed of the railroad car, if the preceding railroad car deviates from the rail section during the secured time, the substation control unit changes the power supply suitable for the following railroad car to the corresponding Supplying power to the rail section; grid supply power control method of the electric railway, characterized in that it further comprises.
The method according to claim 7, wherein when the following railway vehicle does not operate according to an instruction for controlling the speed of the railway vehicle,
When the corresponding rail section is a double-track rail section, changing, by the substation control unit, the rail into which a following railroad vehicle enters to another rail without a preceding railroad vehicle; Way.
According to claim 6, In order to check the power used according to the type of the railway vehicle entered for each rail section,
The substation control unit,
A method for controlling power supply to a grid of an electric railway, characterized in that communication with a railroad vehicle or reference to information about power used corresponding to a type of railroad vehicle stored in advance.
The method of claim 6, wherein the step of checking whether a preceding railroad vehicle already exists in the rail section to which the railroad vehicle intends to enter comprises:
Grid supply power control method of an electric railway, characterized in that it is checked whether there is already a preceding railway vehicle with a different power used for the following railway vehicle that is scheduled to enter the corresponding rail section.

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