Train traction system power supply device in non-power area

Abstract

The utility model relates to a train traction system power supply device in a non-power area, and belongs to the field of train power supply. The device is composed of a shell and components in the shell, the components in the shell comprise a charger, a battery, a power conversion device and a battery management system, and the charger is connected with the battery; the battery is connected with the power conversion device; and the battery management system is connected with the battery. Meanwhile, external assemblies such as universal wheels and a display screen are further arranged on the shell. The device provided by the utility model is convenient to operate, reduces the possibility that a connecting cable causes physical damage beside a rail, greatly reduces the operation steps during multi-track-crossing shunting, improves the shunting efficiency, and reduces the probability of accidents at the same time.

Description

Technical Field

[0001] The utility model belongs to the field of train power supply, and specifically relates to a power supply device for a train traction system in a power-free area. Background Art

[0002] The APM (Automatic People Mover) train receives current through the current collecting shoes installed on the train, which contact the power rail and provide electric energy for train traction. Since the power rail is installed on the ground, there are some areas without electricity in the vehicle depot, such as car wash and maintenance depot.

[0003] In order to be able to operate trains in these areas without electricity, a depot power supply is usually set up next to the tracks in the areas without electricity, equipped with a power cabinet, cables and plugs, and a power conversion switch and socket are set on the vehicle. When in use, first switch the switch position on the corresponding vehicle to the depot power position, then connect the depot power plug and the socket on the vehicle, and finally press the confirmation button on the power cabinet to realize power supply.

[0004] There are two main disadvantages of warehouse power supply: 1. When the vehicle is moving, the cable connecting the power cabinet and the plug moves with the vehicle. It is necessary to ensure that there are no people or obstacles in the relevant area to avoid damage to people or equipment; 2. When the vehicle crosses the track in the power-free area, it is necessary to use the warehouse power supply on different tracks to make the vehicle drive to the target position. The staff needs to plug and unplug the warehouse power plug and the on and off button on the power cabinet many times. The operation steps are numerous and time-consuming.

[0005] The prior art (CN113500919A) proposes a three-power supply system rack-and-gear train power supply conversion circuit, rail transit system and method. The prior art mentions adding a battery to the train to provide power for train traction, but the prior art does not involve improvements to the battery's peripheral mechanisms, and the battery is often fixed in a certain position, which may require a longer wiring harness when used, causing inconvenience. Different from the prior art, the utility model proposes a movable power supply device, and the internal structure of the power supply device is simple and easy to operate; at the same time, the external structure of the power supply device is adaptively improved for easy use. Utility Model Content

[0006] The utility model aims to overcome the deficiencies of the prior art and proposes a power supply device for a train traction system in an electricity-free area, so as to achieve the purpose of converting the battery voltage into the voltage required by the train traction system by improving the internal structure of the power supply device. At the same time, a movable structure is provided to overcome the defects of the existing warehouse power supply and improve the convenience of the power supply device.

[0007] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a power supply device for a train traction system in a power-free zone, the device is composed of a shell and components inside the shell, the components inside the shell include a charger, a battery, a power conversion device, and a battery management system, wherein the charger is connected to the battery; the battery is connected to the power conversion device; and the battery management system is connected to the battery.

[0008] Furthermore, the components inside the shell include a display screen controller, and a display screen is provided on one side of the shell, wherein the display screen controller is respectively connected to the display screen, the charger, the power conversion device, and the battery management system.

[0009] Furthermore, a charging socket and an output socket are provided on one side of the shell, wherein: the charging socket is connected to the charger inside the shell; and the output socket is connected to the power conversion device inside the shell.

[0010] Furthermore, universal wheels are provided at the bottom of the housing.

[0011] Furthermore, the device includes a hanger, and the hanger, the charging socket, and the output socket are arranged on the same side of the shell.

[0012] Furthermore, the shell includes a movably connected baffle, and the baffle is arranged on one side of the shell.

[0013] Furthermore, the components inside the shell are respectively arranged inside separate shells, and the separate shells are connected by connectors.

[0014] Furthermore, a heat dissipation hole is provided on one side of the shell.

[0015] The technical effects of the utility model are as follows: (1) The movable power supply device overcomes the defects of the existing warehouse power supply, reduces the possibility of physical damage caused by the connecting cables beside the track, and at the same time, for track switching across multiple tracks, greatly reduces the operating steps, improves the track switching efficiency and reduces the probability of accidents; (2) The power supply device has a simple internal structure, clear logic, and is easy to operate; (3) The power supply device is provided with a display screen and a display screen controller, which can display the battery status, thereby improving convenience; (4) The shell of the power supply device has been adaptably improved, ensuring the safety of the internal structure and facilitating the adjustment of the internal structure; (5) In order to overcome the problem of the power supply device being too large and too heavy due to the large battery capacity, a solution for splitting the power supply device is proposed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural diagram of a power supply device according to an embodiment of the utility model;

[0017] Figure 2 This is a structural diagram of the housing of the power supply device of an embodiment of the utility model: wherein (a) is the rear side of the housing, (b) is the right side of the housing, (c) is the front side of the housing, and (d) is the upper side of the housing.

[0018] The markings in the figure are: 1 is the display screen, 2 is the charging socket, 3 is the output socket, 4 is the bracket, 5 is the movable baffle, 6 is the heat dissipation hole, and 7 is the universal wheel. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the utility model through the description of the embodiments with reference to the accompanying drawings, with the purpose of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the utility model concept and technical solution of the utility model and to facilitate its implementation. In order to make the technical solution of the utility model clearer, the utility model is explained through the following embodiments:

[0020] A power supply device for a train traction system in a power-free area, such as Figure 1 As shown, the device is composed of a shell and components inside the shell, and the components inside the shell include a charger, a battery, a power conversion device, and a battery management system, wherein the charger is connected to the battery; the battery is connected to the power conversion device; and the battery management system is connected to the battery.

[0021] Specifically, the positive and negative poles of the charger are connected to the positive and negative poles of the battery correspondingly, and are used to charge the battery. When the power supply device is not in use, it can be pushed to the braking location in the garage to connect to an external power source for charging; the positive and negative poles of the power conversion device are connected to the positive and negative poles of the battery correspondingly, and are used to convert the output voltage of the battery into the input voltage required by the train traction system; the battery management system is a commonly used structure in the prior art in this field. In this embodiment, the battery management system realizes the reception and analysis of battery status information, such as battery voltage, current and temperature status information. At the same time, the battery management system performs certain control functions, including the control of battery charging and discharging and cooling fans, which facilitates the timely discovery of battery faults and ensures battery safety. Overall, the internal structure of the power supply device of this embodiment is simple and easy to implement, so that the power supply device is easy to operate.

[0022] In this embodiment, if Figure 2 As shown, the shell is a box with a rectangular structure, and the size of the box needs to be smaller than the size of the train door to ensure that the box can pass through the train door smoothly.

[0023] Specifically, in this embodiment, the components inside the box also include a display screen controller. Figure 2As shown, a display screen 1 is provided on the front side of the box, wherein the display screen controller is respectively connected to the display screen 1, the charger, the power conversion device, and the battery management system, and can be implemented through the communication interface of each component in actual implementation. The display screen controller is used to receive and process the relevant status and fault data of the charger, the power conversion device, and the battery management system and send them to the display screen to realize the display of the device status and fault information, thereby improving the convenience of the power supply device of this embodiment.

[0024] Furthermore, the front side of the box of this embodiment is provided with a charging socket 2 and an output socket 3, that is, two grooves matching the size of the charging socket 2 and the output socket 3 are opened on the front side of the box, and the charging socket 2 and the output socket 3 are embedded therein, wherein: the charging socket 2 is connected to the charger inside the box; the output socket 3 is connected to the power conversion device inside the box. In addition, the charging socket 2 and the output socket 3 need to match the cable plug or the connector plug.

[0025] A hanger 4 is also provided on the front side of the box body of this embodiment. The hanger 4 is provided on the same side of the box body as the charging socket 2 and the output socket 3 and is used for mounting and storing connectors or cable harnesses to ensure that the harnesses are neat and easy to use.

[0026] The right side of the box body of this embodiment is provided with a movable baffle 5, which can be smoothly locked and opened, facilitating the regular maintenance of the internal components of the power supply device. The upper side of the box body of this embodiment, that is, the top of the box body, is provided with a plurality of heat dissipation holes 6 for exchanging the hot air inside the box body with the outside air to ensure the safety of the power supply device.

[0027] In order to further improve the convenience of this embodiment, six universal wheels 7 are arranged at the bottom of the box body of this embodiment, so that the power supply device can be moved. When the power supply device is used, it is moved into the vehicle, so that the power supply and the cable move with the vehicle, which can not only avoid the interference between the cable and the people or objects beside the track during the vehicle's movement, but also avoid repeated operations when the train needs to cross multiple tracks.

[0028] When this embodiment is working, the box is pushed onto the train, and the output socket 3 is connected to the power supply input end of the train traction system through a connector or cable. At this time, the power conversion device in the power supply device will automatically convert the battery output voltage into the power supply voltage required by the train traction system. At the same time, the battery power, voltage, current and fault information can be observed through the display screen during use; when the power supply ends or the battery capacity is insufficient, the box can be moved to the vicinity of the location with the charging power supply, and the charging socket 2 can be connected to the charging power supply through a connector or cable for charging. The internal components of the utility model realize power supply for the train traction system; the external components of the utility model such as the display screen, the hanger, and the universal wheel improve the convenience of the utility model and are easy to operate; compared with the original warehouse power supply solution, the utility model reduces the possibility of physical damage caused by the connecting cable beside the track, and at the same time, for the track switching across multiple tracks, the operation steps are greatly reduced, the track switching efficiency is improved, and the probability of accidents is reduced.

[0029] Furthermore, considering that the battery capacity required by the power supply device may be large, resulting in a single box being too large and heavy, and thus inconvenient to move onto the train. In order to solve the above problems, the utility model arranges the components of the power supply device inside separate shells, and the separate shells are connected by connectors. Specifically, the present embodiment is provided with a detachable box, that is, the box is split into a plurality of separate boxes, and different internal components of the power supply device and corresponding external components of the box are arranged inside each separate box. For example, a separate box provided with a battery is also provided with a heat dissipation hole; and a separate box provided with a power conversion device is also provided with an output socket. Among them, all separate boxes are connected by connectors. The provision of a detachable box improves the convenience of the present embodiment.

[0030] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the utility model is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the utility model; or the above concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A power supply device for a train traction system in a power-free area, characterized in that: The device is composed of a shell and components inside the shell, wherein the components inside the shell include a charger, a battery, a power conversion device, and a battery management system, wherein the charger is connected to the battery; the battery is connected to the power conversion device; and the battery management system is connected to the battery.

2. The power supply device for a train traction system in a power-free zone according to claim 1, characterized in that: The components inside the shell include a display screen controller. A display screen is arranged on one side of the shell, wherein the display screen controller is respectively connected to the display screen, the charger, the power conversion device, and the battery management system.

3. A power supply device for a train traction system in a power-free zone according to claim 1 or 2, characterized in that: A charging socket and an output socket are provided on one side of the shell, wherein: the charging socket is connected to the charger inside the shell; and the output socket is connected to the power conversion device inside the shell.

4. A power supply device for a train traction system in a power-free zone according to claim 1 or 2, characterized in that: The bottom of the shell is provided with universal wheels.

5. The power supply device for a train traction system in a power-free zone according to claim 3, characterized in that: The device comprises a hanging bracket, and the hanging bracket, the charging socket and the output socket are arranged on the same side shell.

6. A power supply device for a train traction system in a power-free zone according to claim 1 or 2, characterized in that: The shell comprises a movable baffle, and the baffle is arranged on one side of the shell.

7. A power supply device for a train traction system in a power-free zone according to claim 1 or 2, characterized in that: The components inside the housing are respectively arranged inside separate housings, and the separate housings are connected via connectors.

8. A power supply device for a train traction system in a power-free zone according to claim 1 or 2, characterized in that: A heat dissipation hole is arranged on one side of the shell.

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