KR20190128331A - Fast storage unit for railway vehicle - Google Patents

Abstract

The present invention relates to a high-speed storage battery for a railway vehicle, which comprises: a power supply unit; a charging module; a charging blocking unit; an output unit; and an output blocking unit, wherein the power supply unit supplies power, the charging module performs charging with the supplied power, the charging blocking unit is connected between the power supply unit and the charging module and selectively blocks the supplied power, the output unit outputs the power charged in the charging module, and the output blocking unit is connected between the charging module and the output unit and selectively blocks the output power.

Description

High-speed storage battery for railroad car driving {FAST STORAGE UNIT FOR RAILWAY VEHICLE}

The present invention relates to a high-speed storage battery for driving a railroad vehicle, and more particularly, a railroad capable of fast charging that can be charged for a relatively short charging time to a railroad vehicle to which power is applied by a wireless feeding or a wired feeding method. It relates to a high-speed storage battery for vehicle driving.

1 and 2 are schematic diagrams of the structure of the storage battery for railway vehicles according to the prior art.

As shown in FIG. 1, in the conventional railway vehicle storage battery 10, a plurality of charging cells 17 connected in series on the first and second power supply lines 14 and 15 are connected to a single charging pack 16. Forming, characterized in that the charge pack 16 is connected to each other in parallel to form a charging module (13).

On the contrary, in the conventional railway vehicle storage battery 20, as shown in FIG. 2, a plurality of charging cells 27 connected in parallel on the first and second power supply lines 24 and 25 are charged with one. The pack 26 is formed, and the charge packs 26 are connected to each other in series to form a charging module 23.

However, in common, in the conventional railway vehicle storage battery 20, the charge path and the discharge path are the same between the power supply units 11 and 21 and the output units 12 and 22, as shown, that is, the first and the first It is characterized by consisting of two power supply lines (14, 15) (24, 25).

Accordingly, the charging method and the discharge method are operated in the same manner, and as a result, the maximum discharge amount and time are determined by the maximum charge amount and time, and there is a problem in that the charge amount must be increased to improve the discharge amount.

This is especially limited when the wireless charging system is designed to run to the next station by charging at every stop, considering the characteristics of the city railway vehicle having a significantly less stop time than the travel time. Accordingly, there is a problem that a quick charging or an auxiliary charging method should be additionally applied.

Republic of Korea Patent No. 10-1271251

Therefore, the technical problem of the present invention was conceived in this regard, the object of the present invention is to perform a sufficient charging for a shorter charging time while performing a wireless charging or wired charging of the railway vehicle, while reducing the charging time The present invention relates to a high-speed storage battery for driving a railroad vehicle that can extend a driving distance between charging sections.

The high speed battery for driving a railway vehicle according to an embodiment for realizing the object of the present invention includes a power supply unit, a charging module, a charging blocking unit, an output unit and an output blocking unit. The power supply unit supplies power. The charging module performs charging with the supplied power. The charge blocking unit is connected between the power supply unit and the charging module to selectively block the supplied power. The output unit outputs the power charged in the charging module. The output blocking unit is connected between the charging module and the output unit, and selectively blocks the output power.

In one embodiment, the output power is used as a driving output of the railway vehicle, the charging may be performed in a state in which the railway vehicle is stopped.

In one embodiment, the charging module, the charge blocking unit and the output blocking unit may be mounted on the railway vehicle, the power supply may be provided in the stop station where the railway vehicle is stopped.

In one embodiment, the charging module includes a charging pack including a plurality of charging cells connected in parallel to each other, the plurality of charging packs may be connected in parallel to the power supply.

In one embodiment, the plurality of charging packs may further include a jumper blocking unit for electrically connecting or selectively blocking the electrical connection.

In one embodiment, when the charging is performed, the charging cutoff unit may electrically connect the power supply unit and the charging packs of the charging module, and the output blocking unit may electrically cut off the charging packs and the output unit of the charging module. .

In one embodiment, when the charging is performed, the jumper blocking unit may electrically block the charging packs.

In one embodiment, when the power is output, the charge blocking unit may electrically block the charging packs of the power supply and the charging module, the jumper blocking unit may electrically connect the charge packs.

In one embodiment, each of the charge packs, the first power line is electrically connected to a first power supply line connected to the power supply, and the second power supply line is electrically connected to a second power supply line connected to the power supply. It may include two power lines.

In one embodiment, the charge cutoff unit, a first charge switch connected between the first power supply line and the first power line, and a second charge switch connected between the second power supply line and the second power line. It may include.

In an embodiment, the jumper blocking unit may include a jumper switch connected between the first power line and the second power line between adjacent charge packs.

According to embodiments of the present invention, by selectively performing the charging and output to the charging module, through the charge blocker and the output blocker, it is possible to perform a selective supply of power in accordance with the stationary state or driving state of the railway vehicle. .

In particular, the charging module is a charging pack including a plurality of charging cells as a single unit, a plurality of can be configured in parallel connected to each other to match the charging capacity or output capacity, the optimum design of a high-speed storage battery for driving a railway vehicle of the charging method Is possible.

In this case, the power supply unit is individually connected to each of the charge packs, each charge pack is connected to each other through a jumper blocking portion, so that even if the number of charge packs can be easily charged to increase the charging capacity, thereby Fast charging is possible.

On the other hand, in the case where it is possible to provide a sufficient output even if only a part of the charge packs selectively, through the selective blocking of the charge blocking unit provided between the power supply connected to each of the charge packs, only some of the charge packs charge power As a result, rapid charging can be performed using only an optimal power source.

In particular, when charging, the jumper blocking unit is cut off and the charge blocking unit is electrically connected, and when driving, that is, when the output is cut off, the charge blocking unit is blocked and only the jumper blocking unit is electrically connected, thereby providing rapid charging and sufficient output. .

1 and 2 are schematic diagrams of the structure of the storage battery for railway vehicles according to the prior art.
3 is a block diagram illustrating a high-speed storage battery for driving a railway vehicle according to an embodiment of the present invention.
4 is a schematic diagram showing a detailed structure of the high-speed storage battery of FIG.

As the inventive concept allows for various changes and numerous modifications, the embodiments will be described in detail in the text. However, this is not intended to limit the present invention to the specific form disclosed, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. In describing the drawings, similar reference numerals are used for similar elements. Terms such as first and second may be used to describe various components, but the components should not be limited by the terms.

The terms are used only for the purpose of distinguishing one component from another. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise.

In this application, the terms "comprise" or "consist of" are intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, and one or more other features. It is to be understood that the present invention does not exclude the possibility of the presence or the addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. Terms such as those defined in the commonly used dictionaries should be construed as having meanings consistent with the meanings in the context of the related art and shall not be construed in ideal or excessively formal meanings unless expressly defined in this application. Do not.

Hereinafter, with reference to the accompanying drawings, it will be described in detail a preferred embodiment of the present invention.

3 is a block diagram illustrating a high-speed storage battery for driving a railway vehicle according to an embodiment of the present invention. 4 is a schematic diagram showing the detailed structure of the high-speed storage battery of FIG.

3 and 4, the high speed storage battery (hereinafter, high speed storage battery) 100 for driving a railway vehicle according to the present embodiment includes a power supply unit 110, an output unit 120, a charging module 130, and a charge blocking unit. The unit 140 includes an output blocker 150 and a jumper blocker 160.

The high-speed storage battery 100 in the present embodiment is applied to a railway vehicle, in particular, a railway vehicle driven by using a battery that is temporarily charged without being continuously supplied with power for driving, in particular, the railway vehicle When the vehicle stops at the station or the like, charging is performed, and when operated, the output is provided through a charged power source.

In this case, the railway vehicle may be a wireless power feeding method that does not perform a power supply during operation, but is not limited to this, but charging is carried out through a feed line, but in particular when the station is stopped in a fixed line, such as a wired power feeding method It is also applicable to.

Accordingly, hereinafter, the high-speed storage battery 100 will be described as including a power supply unit 110, but the power supply unit 110 may be provided at a station where the railway vehicle stops.

Thus, the high speed storage battery 100 is connected to the power supply unit 110 when the railway vehicle stops, that is, the first and second power supply lines to be described later, which are terminals to be connected to the power supply unit 110. Terminals 111 and 112; That is, the terminals of the high speed storage battery 100 may be connected to the power supply unit 110 provided at the stop station.

As described above, when the railway vehicle stops, the power supply unit 110 is connected to the first and second power supply lines 111 and 112 to provide power to the charging module 130.

On the other hand, the output unit 120, when the railway vehicle is running, the power charged to the charging module 130 is output, the power output through the output unit 120 is required when the railway vehicle is running Used as a general power source. Accordingly, the output unit 120 may substantially mean a component of a railway vehicle that uses power when driving.

The charging module 130 receives power from the power supply unit 110 and charges it, and outputs power required to the output unit 120.

More specifically, as shown in FIG. 4, the charging module 130 includes a plurality of charge packs 131, and each of the charge packs 131 includes a plurality of charge cells 134.

In this case, each of the charging packs 131 includes a first power line 132 and a second power line 133, and the charging cell 134 between the first and second power lines 132 and 133. ), The necessary power is charged. In addition, the charging cells 134 are connected in parallel to each other in the one charging pack 131.

The first power line 132 is electrically connected to the first power supply line 111, and the second power line 133 is electrically connected to the second power supply line 112.

Since the charging pack 131 is plural, the first power line 132 is also electrically connected to the plurality of first power supply lines 111. As shown in FIG. Branched from one first power supply line 111 is connected.

That is, the first power lines 132 are connected in parallel to the first power supply line 111.

Similarly, as shown in FIG. 4, the second power lines 133 are also branched from one second power supply line 112, that is, the second power lines 133 are supplied with the second power supply. Connected in parallel to line 112.

The number of the charging packs 131 and the number of charging cells 134 included in the one charging pack 131 may be variously modified in consideration of necessary output or chargeable capacity.

On the other hand, in the present embodiment, the charging packs 131 are a single unit, can be added or removed very easily to the charging module 130, will be described later, but only to charge the power only for the optional charging packs or Since it is possible to output the charged power, it is possible to design the optimal charging capacity and the output amount in accordance with the operating conditions of the railway vehicle, such as the required output.

In this case, when the charging packs 131 are added to the charging module 130, the first power line 132 is further connected to the first power supply line 111, and the second power line ( 133 is sufficient to be further connected to the second power supply line 112.

The charge blocking unit 140 is connected between the power supply unit 110 and the charging module 130, and selectively blocks the power supplied from the power supply unit 110.

That is, when charging is performed in the state where the railway vehicle stops, the charge blocking unit 140 does not cut off the power supplied from the power supply unit 110, and the power supply unit 110 and the charging module ( 130 is electrically connected thereto, and on the contrary, when the output is performed while the railway vehicle is in operation, the power supplied from the power supply unit 110 is cut off.

In this case, the charge blocking unit 140 is a first charge switch 141 connected between the first power supply line 111 and the first power line 132 of each of the charge pack 131, and the And a second charging switch 142 connected between the second power supply line 112 and the second power line 133 of each of the charging packs 131.

Thus, when both of the first and second charging switches 141 and 142 are in an ON state, power is supplied to the charging module 130, and any one of the first and second charging switches 141 and 142 is provided. Even in the OFF state, power is not supplied to the charging module 130, and thus charging is not performed.

Meanwhile, since the first and second charging switches 141 and 142 are connected to each of the charging packs 131, the charging may be selectively performed or not performed among the charging packs 131. It is possible to control the charging capacity charged in the charging module 130 through, if the output required for the operation to the next stop station is relatively small to prevent unnecessary charge to increase the charging time and to prevent the rapid charging effectively Can be done.

The output blocking unit 150 is connected between the charging module 130 and the output unit 120 to selectively block the power output to the output unit 120.

That is, when the charging is performed while the railway vehicle is stopped, the output blocking unit 150 cuts off the power output to the output unit 120 and, on the contrary, the charging module in the operating state of the railway vehicle. Electrically connected to the 130 and the output unit 120 to output power to the output unit 120.

In this case, the output blocking unit 150 may include a first output switch 151 connected between the first output line 121 electrically connected to the output unit 120 and the charging module 130, and the A second output line 122 electrically connected to the output unit 120 and a second output switch 152 connected between the charging module 130.

More specifically, the first output switch 151 is the first power line 132 of the charging pack 131 at the end of the charging pack 131 of the charging module 130, for example, the charging pack 131 at the top end. ) Is connected between the first output line 121 and the second output switch 152 of the charging pack 131 of the charging pack 131 of the charging module 130, for example, the lowest end. The second power line 133 of the charging pack 131 may be connected between the second output line 122.

Thus, when both of the first and second output switches 151 and 152 are in an ON state, power is output to the output unit 120, and any one of the first and second output switches 151 and 152 is used. Even in the OFF state, power to the output unit 120 is not output.

The jumper blocking unit 160 electrically connects or blocks each of the charging packs 131.

That is, the jumper blocking unit 160 is connected to the side opposite to the side to which the power supply unit 110 is connected to the charge blocking unit 140 is connected to the charging module 130, the charge pack 131 Electrically connect or disconnect each other.

In the present embodiment, the charging packs 131 are positioned in parallel with each other with respect to the power supply unit 110, that is, a plurality of charging packs 131 are arranged in parallel in the vertical direction, as shown in FIG. 4. An electrical connection is required.

Therefore, the second power line 133 and the first power line 132 of the two charging packs 131 arranged to be adjacent to each other, that is, adjacent to each other in the vertical direction through the jumper blocking unit 160 are electrically connected or Is blocked.

That is, the jumper blocking unit 160 includes a jumper switch 161, and the jumper switch 161 is formed of the second power line 133 and the second power line 133 of the two charging packs 131 arranged to be adjacent to each other in the vertical direction. 1 is connected between the power line (132).

In this case, as described above, the first power line 132 of the topmost charging pack 131 is connected to the first output switch 151 and the second power line of the bottommost charging pack 131. Since 133 is connected to the second output switch 152, the jumper switch 161 is disposed between the charge pack 131 to which the first output switch 151 and the second output switch 152 are not connected. Is connected to.

Meanwhile, since the first and second output switches 151 and 152 are in an OFF state when charging is performed and in an ON state when an output is performed, substantially the same operation as the jumper switch 161 described later is performed. Perform.

Accordingly, the first and second output switches 151 and 152 may be regarded as the jumper switch 161 substantially except that the first and second output switches 151 and 152 are connected to the output unit 120.

As described above, the jumper switch 161 is connected between the charging packs 131, and when the jumper switch 161 is turned on, the adjacent charging packs are electrically connected to each other. All charge packs 131 are electrically connected. In contrast, when the jumper switch 161 is turned off, the charging packs 131 are electrically disconnected.

Meanwhile, in the present embodiment, when the charging is performed, the jumper switch 161 is turned off so that electrical connection between the charging packs 131 is cut off, and when the output is performed, the jumper switch 161 is performed. ) Is in an ON state and is electrically connected between the charging packs 131.

As described above, when the charging is performed, as the jumper switch 161 is cut off, each of the charging packs 131 may be connected in parallel to only the power supply 110 to charge necessary power and No external power loss occurs in the process.

On the contrary, when the output is performed, as the jumper switch 161 is connected, the charging packs 131 may be connected to each other and output to the output unit 120 with the sufficient power.

According to the embodiments of the present invention as described above, by selectively performing the charging and output to the charging module, through the charge blocker and the output blocker, the selective supply of power in accordance with the stationary state or driving state of the railway vehicle can do.

In particular, the charging module is a charging pack including a plurality of charging cells as a single unit, a plurality of can be configured in parallel connected to each other to match the charging capacity or output capacity, the optimum design of a high-speed storage battery for driving a railway vehicle of the charging method Is possible.

In this case, the power supply unit is individually connected to each of the charge packs, each charge pack is connected to each other through a jumper blocking portion, so that even if the number of charge packs can be easily charged to increase the charging capacity, thereby Fast charging is possible.

On the other hand, in the case where it is possible to provide a sufficient output even if only a part of the charge packs selectively, through the selective blocking of the charge blocking unit provided between the power supply connected to each of the charge packs, only some of the charge packs charge power As a result, rapid charging can be performed using only an optimal power source.

In particular, when charging, the jumper blocking unit is cut off and the charge blocking unit is electrically connected, and when driving, that is, when the output is cut off, the charge blocking unit is blocked and only the jumper blocking unit is electrically connected, thereby providing rapid charging and sufficient output. .

While the foregoing has been described with reference to preferred embodiments of the present invention, those skilled in the art will be able to variously modify and change the present invention without departing from the spirit and scope of the invention as set forth in the claims below. It will be appreciated.

The high-speed storage battery for driving a railroad vehicle according to the present invention has industrial applicability that can be used for a railroad vehicle powered by a wireless power supply or a wired power feeding method.

100: high speed storage battery 110: power supply
111: first power supply line 112: second power supply line
120: output unit 121: first output line
122: second output line 130: charging module
140: charge blocking unit 141: the first charging switch
142: second charging switch 150: output blocking unit
151: first output switch 152: second output switch
160: jumper breaker 161: jumper switch

Claims (11)

A power supply unit supplying power;
A charging module configured to perform charging with the supplied power;
A charge blocking unit connected between the power supply unit and the charging module to selectively block the supplied power;
An output unit for outputting power charged in the charging module; And
A high speed storage battery for driving a railroad vehicle, the output module being connected between the charging module and the output unit, and selectively blocking the output power. The method of claim 1,
The output power is used as a driving output of the railway vehicle,
The high speed storage battery for a railroad vehicle, characterized in that the charging is performed while the railroad vehicle is stopped. The method of claim 2,
The charging module, the charge blocking unit and the output blocking unit is mounted on the railway vehicle,
The power supply unit is a high-speed storage battery for driving a railway vehicle, characterized in that provided in the stop station where the railway vehicle stopped. The method of claim 1,
The charging module includes a charging pack including a plurality of charging cells connected in parallel to each other,
The charge pack is a high-speed storage battery for a railroad vehicle, characterized in that a plurality is connected in parallel to the power supply. The method of claim 4, wherein
A high speed storage battery for a railroad vehicle further comprising a jumper blocking unit for electrically connecting the plurality of charge packs or selectively blocking the electrical connection. The method of claim 5, wherein when performing the charging,
The charging cutoff unit electrically connects the power supply unit and the charging packs of the charging module.
The output cut-off unit is a high-speed storage battery for a railroad vehicle, characterized in that to electrically cut off the charging pack and the output of the charging module. The method of claim 6, wherein when performing the charging,
The jumper blocking unit is a high-speed storage battery for a railroad vehicle, characterized in that for electrically blocking the charge pack. The method of claim 5, wherein when the power is output,
The charge blocking unit electrically cuts off the power pack and the charging packs of the charging module,
The jumper blocking unit is a high-speed storage battery for a railroad vehicle, characterized in that for electrically connecting the charge pack. The method of claim 5, wherein each of the charge packs,
A first power line electrically connected to a first power supply line connected to the power supply unit; And
And a second power line electrically connected to a second power supply line connected to the power supply unit. The method of claim 9, wherein the charge blocking unit,
A first charging switch connected between the first power supply line and the first power line; And
And a second charging switch connected between the second power supply line and the second power supply line. The method of claim 9, wherein the jumper blocking unit,
A high speed storage battery for a railroad vehicle, comprising a jumper switch connected between a first power line and a second power line between adjacent charging packs.

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